Script started on 2024-09-20 00:37:02+00:00 [TERM="xterm-256color" TTY="/dev/pts/0" COLUMNS="-1" LINES="-1"]
P;HTML|
;           (set_option_value  prolog false)

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;           (set_option_value  compat auto)

P;HTML|
;           (set_option_value  compatio true)
P;HTML|
;            (is_cmd_option  prescan halt --halt=true true)
P;HTML|
;            (set_option_value  halt true)
P;HTML|
;            (is_cmd_option  prescan stdin --stdin=tty tty)
P;HTML|
;             (set_option_value  stdin tty)
P;HTML|
;            (is_cmd_option  prescan stdout --stdout=tty tty)
P;HTML|
;             (set_option_value  stdout tty)
P;HTML|
;            (is_cmd_option  prescan stderr --stderr=tty tty)
P;HTML|
;             (set_option_value  stderr tty)
P;HTML|
;            (set_option_value  prolog false)
P;HTML|
;            (set_option_value  compat auto)
P;HTML|
;            (set_option_value  compatio true)
P;HTML|
;          (is_cmd_option  execute python --python=enable enable)
P;HTML|
;           (set_option_value  python enable)
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;          (is_cmd_option  execute timeout --timeout=40 40)
P;HTML|
;           (set_option_value  timeout 40)
P;HTML|
;           (is_cmd_option  execute output --output=./reports/tests_output/baseline-compat-2024-09-20T00:33:03/ ./reports/tests_output/baseline-compat-2024-09-20T00:33:03/)
P;HTML|
;           (set_option_value  output ./reports/tests_output/baseline-compat-2024-09-20T00:33:03/)
P;HTML|
;           (is_cmd_option  execute html --html true)
P;HTML|
;            (set_option_value  html true)
P;HTML|
;           (is_cmd_option  execute test --test true)
P;HTML|
;            (set_option_value  test true)

; (load_metta_file  &self tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta)
P;HTML|
;                         (track_load_into_file  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta)
; (%COMMENT  ";;         5. Type inference: (: TERM $type)" 32 0) ; line: 157 
; Done translating 29 forms: asserted_metta_pred(nthesize_long_1726792625_9756331,'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta').


  (failed  once fail)




  (failed  once fail)


^  Call: (171) [user] call(user:once, user:fail)
^  Call: (172) [user] once(user:fail)
   Call: (173) [system] fail
^  Fail: (171) [system] call(user:once, user:fail)
^  Call: (171) [bugger] bugger:mquietly_if(true, rtrace:pop_tracer)
   Call: (173) [system] var(rtrace:pop_tracer)
   Fail: (173) [system] var(rtrace:pop_tracer)
^  Call: (175) [system] setup_call_cleanup('$notrace'(_42930, _42932), once(rtrace:retract(t_l:tracer_reset(_42920))), '$restore_trace'(_42930, _42932))
^  Call: (176) [system] sig_atomic(system:'$notrace'(_42930, _42932))
^  Exit: (175) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(rtrace:retract(t_l:tracer_reset(tAt_normal))), system:'$restore_trace'(3, -1))
^  Call: (175) [rtrace] tAt(false, 271, 271, false)


  (failed  once 
    (convert_metta_to_datalog  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta $_2360))




  (failed  once 
    (convert_metta_to_datalog  /home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta $_2360))


^  Call: (158) [user] call(user:once, user:convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360))
^  Call: (159) [user] once(user:convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360))
^  Call: (160) [user] convert_metta_to_datalog(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _2360)
^  Call: (161) [user] ignore(symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360))
^  Call: (162) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360)
   Call: (163) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', _2360)
   Exit: (163) [system] atom_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog')
^  Exit: (162) [user] symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog')
^  Exit: (161) [system] ignore(user:symbol_concat(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', '.datalog', '/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog'))
^  Call: (161) [user] setup_call_cleanup(open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _107960, [encoding(utf8)]), setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _107988, [encoding(utf8)]), must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _107960, _107988)), close(_107988)), close(_107960))
^  Call: (162) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _107960, [encoding(utf8)]))
   Call: (164) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, _107960, [encoding(utf8)])
   Exit: (164) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, (0x56051b6b4f40), [encoding(utf8)])
^  Exit: (162) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', read, (0x56051b6b4f40), [encoding(utf8)]))
^  Call: (162) [user] setup_call_cleanup(open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _107988, [encoding(utf8)]), must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x56051b6b4f40), _107988)), close(_107988))
^  Call: (163) [system] sig_atomic(user:open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _107988, [encoding(utf8)]))
   Call: (165) [system] open('/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, _107988, [encoding(utf8)])
   Exit: (165) [system] open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, (0x56051b673910), [encoding(utf8)])
^  Exit: (163) [system] sig_atomic(user:open(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta.datalog', write, (0x56051b673910), [encoding(utf8)]))
^  Call: (163) [user] must_det_ll(translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x56051b6b4f40), (0x56051b673910)))
^  Call: (164) [user] once(user:translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x56051b6b4f40), (0x56051b673910)))
^  Call: (165) [user] translate_metta_file_to_datalog_io(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', (0x56051b6b4f40), (0x56051b673910))
^  Call: (166) [user] may_use_datalog
^  Exit: (166) [user] may_use_datalog
^  Call: (166) [user] must_det_ll(notrace((write((0x56051b673910), '/* '), write((0x56051b673910), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x56051b673910), ' */'), get_time(_168998), stamp_date_time(_168998, _169010, 'UTC'), format_time(string(_169030), '%FT%T%z', _169010), write((0x56051b673910), '/* '), write((0x56051b673910), _169030), writeln((0x56051b673910), ' */'))))
^  Call: (167) [user] once(user:notrace((write((0x56051b673910), '/* '), write((0x56051b673910), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x56051b673910), ' */'), get_time(_168998), stamp_date_time(_168998, _169010, 'UTC'), format_time(string(_169030), '%FT%T%z', _169010), write((0x56051b673910), '/* '), write((0x56051b673910), _169030), writeln((0x56051b673910), ' */'))))
^  Call: (169) [system] setup_call_cleanup('$notrace'(_178750, _178752), once(user:(write((0x56051b673910), '/* '), write((0x56051b673910), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x56051b673910), ' */'), get_time(_168998), stamp_date_time(_168998, _169010, 'UTC'), format_time(string(_169030), '%FT%T%z', _169010), write((0x56051b673910), '/* '), write((0x56051b673910), _169030), writeln((0x56051b673910), ' */'))), '$restore_trace'(_178750, _178752))
^  Call: (170) [system] sig_atomic(system:'$notrace'(_178750, _178752))
^  Exit: (169) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(write((0x56051b673910), '/* '), write((0x56051b673910), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x56051b673910), ' */'), get_time(1726792630.1734605), stamp_date_time(1726792630.1734605, date(2024, 9, 20, 0, 37, 10.173460483, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-20T00:37:10+0000"), '%FT%T%z', date(2024, 9, 20, 0, 37, 10.173460483, 0, 'UTC', -)), write((0x56051b673910), '/* '), write((0x56051b673910), "2024-09-20T00:37:10+0000"), writeln((0x56051b673910), ' */'))), system:'$restore_trace'(3, -1))
^  Exit: (167) [system] once(user:notrace((write((0x56051b673910), '/* '), write((0x56051b673910), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x56051b673910), ' */'), get_time(1726792630.1734605), stamp_date_time(1726792630.1734605, date(2024, 9, 20, 0, 37, 10.173460483, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-20T00:37:10+0000"), '%FT%T%z', date(2024, 9, 20, 0, 37, 10.173460483, 0, 'UTC', -)), write((0x56051b673910), '/* '), write((0x56051b673910), "2024-09-20T00:37:10+0000"), writeln((0x56051b673910), ' */'))))
^  Exit: (166) [user] must_det_ll(user:notrace((write((0x56051b673910), '/* '), write((0x56051b673910), P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta'), writeln((0x56051b673910), ' */'), get_time(1726792630.1734605), stamp_date_time(1726792630.1734605, date(2024, 9, 20, 0, 37, 10.173460483, 0, 'UTC', -), 'UTC'), format_time(string("2024-09-20T00:37:10+0000"), '%FT%T%z', date(2024, 9, 20, 0, 37, 10.173460483, 0, 'UTC', -)), write((0x56051b673910), '/* '), write((0x56051b673910), "2024-09-20T00:37:10+0000"), writeln((0x56051b673910), ' */'))))
^  Call: (166) [user] must_det_ll(filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _199130))
^  Call: (167) [user] once(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _199130))
^  Call: (168) [user] filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', _199130)
   Call: (169) [system] get_time(_213650)
   Exit: (169) [system] get_time(1726792630.1772065)
^  Call: (169) [user] symbolic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1726792630.1772065], '_', _215524)
   Call: (170) [system] atomic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1726792630.1772065], '_', _215524)
   Exit: (170) [system] atomic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1726792630.1772065], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065')
^  Exit: (169) [user] symbolic_list_concat([data, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', 1726792630.1772065], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065')
   Call: (169) [system] _234894=['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']
   Exit: (169) [system] ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']=['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_']
^  Call: (169) [user] atom_subst('data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065', ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], _236836)
^  Call: (170) [user] apply:foldl(replace_in_symbol, ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065', _236836)
   Call: (171) [apply] apply:foldl_(['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065', _236836)
^  Call: (172) [user] replace_in_symbol('.metta_'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065', _239654)
^  Call: (173) [user] symbolic_list_concat(_240588, '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065')
   Call: (174) [system] atomic_list_concat(_240588, '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065')
   Exit: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726792630.1772065'], '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065')
^  Exit: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726792630.1772065'], '.metta_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065')
^  Call: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726792630.1772065'], '_', _239654)
   Call: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726792630.1772065'], '_', _239654)
   Exit: (174) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726792630.1772065'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
^  Exit: (173) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long', '1726792630.1772065'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
^  Exit: (172) [user] replace_in_symbol('.metta_'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
   Call: (172) [apply] apply:foldl_(['_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065', _236836)
^  Call: (173) [user] replace_in_symbol('_1710'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065', _249926)
^  Call: (174) [user] symbolic_list_concat(_250860, '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
   Call: (175) [system] atomic_list_concat(_250860, '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
   Exit: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065'], '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
^  Exit: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065'], '_1710', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
^  Call: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065'], '_', _249926)
   Call: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065'], '_', _249926)
   Exit: (175) [system] atomic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
^  Exit: (174) [user] symbolic_list_concat(['data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065'], '_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
^  Exit: (173) [user] replace_in_symbol('_1710'-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
   Call: (173) [apply] apply:foldl_([(/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065', _236836)
^  Call: (174) [user] replace_in_symbol((/)-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065', _260192)
^  Call: (175) [user] symbolic_list_concat(_261126, /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
   Call: (176) [system] atomic_list_concat(_261126, /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
   Exit: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726792630.1772065'], /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
^  Exit: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726792630.1772065'], /, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065')
^  Call: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726792630.1772065'], '_', _260192)
   Call: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726792630.1772065'], '_', _260192)
   Exit: (176) [system] atomic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726792630.1772065'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
^  Exit: (175) [user] symbolic_list_concat([data_, home, runner, work, 'metta-wam', 'metta-wam', tests, baseline_compat, 'hyperon-mettalog_sanity', synth_buffer, 'time_synthesize_long_1726792630.1772065'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
^  Exit: (174) [user] replace_in_symbol((/)-'_', 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
   Call: (174) [apply] apply:foldl_([(/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065', _236836)
^  Call: (175) [user] replace_in_symbol((/)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065', _270518)
^  Call: (176) [user] symbolic_list_concat(_271452, /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
   Call: (177) [system] atomic_list_concat(_271452, /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
   Exit: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065'], /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
^  Exit: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065'], /, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
^  Call: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065'], '_', _270518)
   Call: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065'], '_', _270518)
   Exit: (177) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
^  Exit: (176) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
^  Exit: (175) [user] replace_in_symbol((/)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
   Call: (175) [apply] apply:foldl_([('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065', _236836)
^  Call: (176) [user] replace_in_symbol(('.')-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065', _280784)
^  Call: (177) [user] symbolic_list_concat(_281718, '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
   Call: (178) [system] atomic_list_concat(_281718, '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
   Exit: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630', '1772065'], '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
^  Exit: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630', '1772065'], '.', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065')
^  Call: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630', '1772065'], '_', _280784)
   Call: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630', '1772065'], '_', _280784)
   Exit: (178) [system] atomic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630', '1772065'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065')
^  Exit: (177) [user] symbolic_list_concat(['data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630', '1772065'], '_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065')
^  Exit: (176) [user] replace_in_symbol(('.')-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065')
   Call: (176) [apply] apply:foldl_([(-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065', _236836)
^  Call: (177) [user] replace_in_symbol((-)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065', _291056)
^  Call: (178) [user] symbolic_list_concat(_291990, -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065')
   Call: (179) [system] atomic_list_concat(_291990, -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065')
   Exit: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065')
^  Exit: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], -, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065')
^  Call: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], '_', _291056)
   Call: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], '_', _291056)
   Exit: (179) [system] atomic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], '_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
^  Exit: (178) [user] symbolic_list_concat([data__home_runner_work_metta, wam_metta, wam_tests_baseline_compat_hyperon, mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], '_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
^  Exit: (177) [user] replace_in_symbol((-)-'_', 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Call: (177) [apply] apply:foldl_(['__'-'_'], user:replace_in_symbol, data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, _236836)
^  Call: (178) [user] replace_in_symbol('__'-'_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, _301340)
^  Call: (179) [user] symbolic_list_concat(_302274, '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Call: (180) [system] atomic_list_concat(_302274, '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Exit: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
^  Exit: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], '__', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
^  Call: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], '_', _301340)
   Call: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], '_', _301340)
   Exit: (180) [system] atomic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], '_', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
^  Exit: (179) [user] symbolic_list_concat([data, home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065], '_', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
^  Exit: (178) [user] replace_in_symbol('__'-'_', data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Call: (178) [apply] apply:foldl_([], user:replace_in_symbol, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, _236836)
   Exit: (178) [apply] apply:foldl_([], user:replace_in_symbol, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Exit: (177) [apply] apply:foldl_(['__'-'_'], user:replace_in_symbol, data__home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Exit: (176) [apply] apply:foldl_([(-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Exit: (175) [apply] apply:foldl_([('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Exit: (174) [apply] apply:foldl_([(/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data__home_runner_work_metta-wam_metta-wam_tests_baseline_compat_hyperon-mettalog_sanity_synth_buffer_time_synthesize_long_1726792630.1772065', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Exit: (173) [apply] apply:foldl_([(/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Exit: (172) [apply] apply:foldl_(['_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long_1726792630.1772065', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
   Exit: (171) [apply] apply:foldl_(['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], user:replace_in_symbol, 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
^  Exit: (170) [apply] apply:foldl(user:replace_in_symbol, ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], 'data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065', data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
^  Exit: (169) [user] atom_subst('data_/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta_1726792630.1772065', ['.metta_'-'_', '_1710'-'_', (/)-'_', (/)-'_', ('.')-'_', (-)-'_', '__'-'_'], data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065)
^  Call: (169) [user] trim_to_last_nchars(24, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, _199130)
   Call: (170) [system] atom_length(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, _321906)
   Exit: (170) [system] atom_length(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, 140)
   Call: (170) [system] 140=<24
   Call: (170) [system] _324698 is 140+ -32
   Exit: (170) [system] 108 is 140+ -32
   Call: (170) [system] sub_atom(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, 108, 32, _326636, _199130)
   Exit: (170) [system] sub_atom(data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, 108, 32, 0, nthesize_long_1726792630_1772065)
^  Exit: (169) [user] trim_to_last_nchars(24, data_home_runner_work_metta_wam_metta_wam_tests_baseline_compat_hyperon_mettalog_sanity_synth_buffer_time_synthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065)
^  Exit: (168) [user] filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', nthesize_long_1726792630_1772065)
^  Exit: (167) [system] once(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', nthesize_long_1726792630_1772065))
^  Exit: (166) [user] must_det_ll(user:filename_to_mangled_pred(P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta', nthesize_long_1726792630_1772065))
^  Call: (166) [user] must_det_ll(mangle_iz(nthesize_long_1726792630_1772065, _343884))
^  Call: (167) [user] once(user:mangle_iz(nthesize_long_1726792630_1772065, _343884))
^  Call: (168) [user] mangle_iz(nthesize_long_1726792630_1772065, _343884)
^  Call: (169) [user] symbol_concat(nthesize_long_1726792630_1772065, '_iz', _343884)
   Call: (170) [system] atom_concat(nthesize_long_1726792630_1772065, '_iz', _343884)
   Exit: (170) [system] atom_concat(nthesize_long_1726792630_1772065, '_iz', nthesize_long_1726792630_1772065_iz)
^  Exit: (169) [user] symbol_concat(nthesize_long_1726792630_1772065, '_iz', nthesize_long_1726792630_1772065_iz)
^  Exit: (168) [user] mangle_iz(nthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065_iz)
^  Exit: (167) [system] once(user:mangle_iz(nthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065_iz))
^  Exit: (166) [user] must_det_ll(user:mangle_iz(nthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065_iz))
^  Call: (166) [user] must_det_ll(notrace((format((0x56051b673910), ':- style_check(-singleton). ~n', []), format((0x56051b673910), ':- style_check(-discontiguous). ~n', []), format((0x56051b673910), ':- dynamic((~q)/2). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/3). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/8). ~n', [nthesize_long_1726792630_1772065_iz]), writeln((0x56051b673910), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x56051b673910), ':- multifile(user:asserted_metta_pred/2).'), format((0x56051b673910), 'user:asserted_metta_pred(~q,~q). ~n', [nthesize_long_1726792630_1772065, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x56051b673910), produce_iz(nthesize_long_1726792630_1772065)))))
^  Call: (167) [user] once(user:notrace((format((0x56051b673910), ':- style_check(-singleton). ~n', []), format((0x56051b673910), ':- style_check(-discontiguous). ~n', []), format((0x56051b673910), ':- dynamic((~q)/2). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/3). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/8). ~n', [nthesize_long_1726792630_1772065_iz]), writeln((0x56051b673910), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x56051b673910), ':- multifile(user:asserted_metta_pred/2).'), format((0x56051b673910), 'user:asserted_metta_pred(~q,~q). ~n', [nthesize_long_1726792630_1772065, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x56051b673910), produce_iz(nthesize_long_1726792630_1772065)))))
^  Call: (169) [system] setup_call_cleanup('$notrace'(_363184, _363186), once(user:(format((0x56051b673910), ':- style_check(-singleton). ~n', []), format((0x56051b673910), ':- style_check(-discontiguous). ~n', []), format((0x56051b673910), ':- dynamic((~q)/2). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/3). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/8). ~n', [nthesize_long_1726792630_1772065_iz]), writeln((0x56051b673910), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x56051b673910), ':- multifile(user:asserted_metta_pred/2).'), format((0x56051b673910), 'user:asserted_metta_pred(~q,~q). ~n', [nthesize_long_1726792630_1772065, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x56051b673910), produce_iz(nthesize_long_1726792630_1772065)))), '$restore_trace'(_363184, _363186))
^  Call: (170) [system] sig_atomic(system:'$notrace'(_363184, _363186))
^  Exit: (169) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:(format((0x56051b673910), ':- style_check(-singleton). ~n', []), format((0x56051b673910), ':- style_check(-discontiguous). ~n', []), format((0x56051b673910), ':- dynamic((~q)/2). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/3). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/8). ~n', [nthesize_long_1726792630_1772065_iz]), writeln((0x56051b673910), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x56051b673910), ':- multifile(user:asserted_metta_pred/2).'), format((0x56051b673910), 'user:asserted_metta_pred(~q,~q). ~n', [nthesize_long_1726792630_1772065, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x56051b673910), produce_iz(nthesize_long_1726792630_1772065)))), system:'$restore_trace'(3, -1))
^  Exit: (167) [system] once(user:notrace((format((0x56051b673910), ':- style_check(-singleton). ~n', []), format((0x56051b673910), ':- style_check(-discontiguous). ~n', []), format((0x56051b673910), ':- dynamic((~q)/2). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/3). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/8). ~n', [nthesize_long_1726792630_1772065_iz]), writeln((0x56051b673910), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x56051b673910), ':- multifile(user:asserted_metta_pred/2).'), format((0x56051b673910), 'user:asserted_metta_pred(~q,~q). ~n', [nthesize_long_1726792630_1772065, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x56051b673910), produce_iz(nthesize_long_1726792630_1772065)))))
^  Exit: (166) [user] must_det_ll(user:notrace((format((0x56051b673910), ':- style_check(-singleton). ~n', []), format((0x56051b673910), ':- style_check(-discontiguous). ~n', []), format((0x56051b673910), ':- dynamic((~q)/2). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/3). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065]), format((0x56051b673910), ':- dynamic((~q)/4). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/5). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/6). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/7). ~n', [nthesize_long_1726792630_1772065_iz]), format((0x56051b673910), ':- dynamic((~q)/8). ~n', [nthesize_long_1726792630_1772065_iz]), writeln((0x56051b673910), ':- dynamic(user:asserted_metta_pred/2).'), writeln((0x56051b673910), ':- multifile(user:asserted_metta_pred/2).'), format((0x56051b673910), 'user:asserted_metta_pred(~q,~q). ~n', [nthesize_long_1726792630_1772065, P;HTML|'/home/runner/work/metta-wam/metta-wam/tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta']), with_output_to((0x56051b673910), produce_iz(nthesize_long_1726792630_1772065)))))
^  Call: (166) [user] must_det_ll(flag(translated_forms, _383630, 0))
^  Call: (167) [user] once(user:flag(translated_forms, _383630, 0))
   Call: (168) [$syspreds] flag(translated_forms, _383630, 0)
   Call: (169) [system] _383630==0
^  Call: (169) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _383630, 0))
   Call: (171) [$syspreds] update_flag(translated_forms, _383630, 0)
   Call: (172) [system] get_flag(translated_forms, _383630)
   Exit: (172) [system] get_flag(translated_forms, 29)
   Call: (172) [system] atom(0)
   Call: (172) [system] set_flag(translated_forms, 0)
   Exit: (172) [system] set_flag(translated_forms, 0)
   Exit: (171) [$syspreds] update_flag(translated_forms, 29, 0)
^  Exit: (169) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 29, 0))
   Exit: (168) [$syspreds] flag(translated_forms, 29, 0)
^  Exit: (167) [system] once(user:flag(translated_forms, 29, 0))
^  Exit: (166) [user] must_det_ll(user:flag(translated_forms, 29, 0))
^  Call: (166) [user] must_det_ll(_398518=t(1726792630.1734605))
^  Call: (167) [user] once(user:(_398518=t(1726792630.1734605)))
   Call: (168) [system] _398518=t(1726792630.1734605)
   Exit: (168) [system] t(1726792630.1734605)=t(1726792630.1734605)
^  Exit: (167) [system] once(user:(t(1726792630.1734605)=t(1726792630.1734605)))
^  Exit: (166) [user] must_det_ll(user:(t(1726792630.1734605)=t(1726792630.1734605)))
^  Call: (166) [user] once(call((repeat, (at_end_of_stream((0x56051b6b4f40))->!;(must_det_ll(line_count((0x56051b6b4f40), _404142)), must_det_ll(read_sform((0x56051b6b4f40), _404152))), (_404152==end_of_file->!;once((if_t((get_time(_404202), arg(1, t(1726792630.1734605), _404216), _404226 is _404202-_404216, _404226>4), (nb_setarg(1, t(1726792630.1734605), _404202), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi(_404152), _404142]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _404314, _404314+1), write_metta_datalog_term((0x56051b673910), _404152, nthesize_long_1726792630_1772065, _404142))), fail)))))
^  Call: (167) [user] call((repeat, (at_end_of_stream((0x56051b6b4f40))->!;(must_det_ll(line_count((0x56051b6b4f40), _404142)), must_det_ll(read_sform((0x56051b6b4f40), _404152))), (_404152==end_of_file->!;once((if_t((get_time(_404202), arg(1, t(1726792630.1734605), _404216), _404226 is _404202-_404216, _404226>4), (nb_setarg(1, t(1726792630.1734605), _404202), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi(_404152), _404142]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _404314, _404314+1), write_metta_datalog_term((0x56051b673910), _404152, nthesize_long_1726792630_1772065, _404142))), fail))))
   Call: (169) [system] repeat
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _404142))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _404142))
   Call: (171) [system] line_count((0x56051b6b4f40), _404142)
   Exit: (171) [system] line_count((0x56051b6b4f40), 1)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 1))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 1))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _404152))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _404152))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _404152)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _404152)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _404152)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _424976)
   Exit: (174) [system] peek_char((0x56051b6b4f40), ;)
   Call: (174) [system] char_type(;, space)
   Call: (174) [system] _427762=(0x56051b6b4f40)
   Exit: (174) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (174) [user] once((read_position((0x56051b6b4f40), _429630, _429632, _429634, _429636), read_sexpr((0x56051b6b4f40), _429648), assertz(metta_file_comment(_429630, _429632, _429634, _429648, _429636))))
^  Call: (176) [user] read_position((0x56051b6b4f40), _429630, _429632, _429634, _429636)
   Call: (177) [system] stream_property((0x56051b6b4f40), position(_429636))
   Call: (178) [system] nonvar((0x56051b6b4f40))
   Exit: (178) [system] nonvar((0x56051b6b4f40))
   Call: (178) [system] nonvar(position(_429636))
   Exit: (178) [system] nonvar(position(_429636))
   Exit: (177) [system] stream_property((0x56051b6b4f40), position('$stream_position'(0, 1, 0, 0)))
   Call: (177) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), _429630)
   Call: (178) [system] nonvar(line_count)
   Exit: (178) [system] nonvar(line_count)
   Call: (178) [$syspreds] stream_position_field(line_count, _439888)
   Exit: (178) [$syspreds] stream_position_field(line_count, 2)
   Call: (178) [system] arg(2, '$stream_position'(0, 1, 0, 0), _429630)
   Exit: (178) [system] arg(2, '$stream_position'(0, 1, 0, 0), 1)
   Exit: (177) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), 1)
   Call: (177) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), _429632)
   Call: (178) [system] nonvar(line_position)
   Exit: (178) [system] nonvar(line_position)
   Call: (178) [$syspreds] stream_position_field(line_position, _447322)
   Exit: (178) [$syspreds] stream_position_field(line_position, 3)
   Call: (178) [system] arg(3, '$stream_position'(0, 1, 0, 0), _429632)
   Exit: (178) [system] arg(3, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (177) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), 0)
   Call: (177) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), _429634)
   Call: (178) [system] nonvar(char_count)
   Exit: (178) [system] nonvar(char_count)
   Call: (178) [$syspreds] stream_position_field(char_count, _454756)
   Exit: (178) [$syspreds] stream_position_field(char_count, 1)
   Call: (178) [system] arg(1, '$stream_position'(0, 1, 0, 0), _429634)
   Exit: (178) [system] arg(1, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (177) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), 0)
^  Exit: (176) [user] read_position((0x56051b6b4f40), 1, 0, 0, '$stream_position'(0, 1, 0, 0))
^  Call: (176) [user] read_sexpr((0x56051b6b4f40), _429648)
   Call: (177) [system] string((0x56051b6b4f40))
^  Call: (177) [user] cont_sexpr(')', (0x56051b6b4f40), _429648)
^  Call: (178) [user] skip_spaces((0x56051b6b4f40))
   Call: (179) [system] peek_char((0x56051b6b4f40), _464058)
   Exit: (179) [system] peek_char((0x56051b6b4f40), ;)
   Call: (179) [system] (;)=(;)
   Exit: (179) [system] (;)=(;)
^  Call: (179) [user] read_comment((0x56051b6b4f40))
^  Call: (180) [user] read_position((0x56051b6b4f40), _468696, _468698, _468700, _468702)
   Call: (181) [system] stream_property((0x56051b6b4f40), position(_468702))
   Call: (182) [system] nonvar((0x56051b6b4f40))
   Exit: (182) [system] nonvar((0x56051b6b4f40))
   Call: (182) [system] nonvar(position(_468702))
   Exit: (182) [system] nonvar(position(_468702))
   Exit: (181) [system] stream_property((0x56051b6b4f40), position('$stream_position'(0, 1, 0, 0)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), _468696)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _477990)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(0, 1, 0, 0), _468696)
   Exit: (182) [system] arg(2, '$stream_position'(0, 1, 0, 0), 1)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(0, 1, 0, 0), 1)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), _468698)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _485424)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(0, 1, 0, 0), _468698)
   Exit: (182) [system] arg(3, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(0, 1, 0, 0), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), _468700)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _492858)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(0, 1, 0, 0), _468700)
   Exit: (182) [system] arg(1, '$stream_position'(0, 1, 0, 0), 0)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(0, 1, 0, 0), 0)
^  Exit: (180) [user] read_position((0x56051b6b4f40), 1, 0, 0, '$stream_position'(0, 1, 0, 0))
^  Call: (180) [user] read_until_eol((0x56051b6b4f40), _498452)
   Call: (181) [system] get_char((0x56051b6b4f40), _499382)
   Exit: (181) [system] get_char((0x56051b6b4f40), ;)
   Call: (181) [system] char_type(;, end_of_line)
   Call: (181) [system] (;)=end_of_file
^  Call: (181) [user] read_until_eol((0x56051b6b4f40), _503096)
   Call: (182) [system] get_char((0x56051b6b4f40), _504026)
   Exit: (182) [system] get_char((0x56051b6b4f40), ;)
   Call: (182) [system] char_type(;, end_of_line)
   Call: (182) [system] (;)=end_of_file
^  Call: (182) [user] read_until_eol((0x56051b6b4f40), _507740)
   Call: (183) [system] get_char((0x56051b6b4f40), _508670)
   Exit: (183) [system] get_char((0x56051b6b4f40), t)
   Call: (183) [system] char_type(t, end_of_line)
   Call: (183) [system] t=end_of_file
^  Call: (183) [user] read_until_eol((0x56051b6b4f40), _512384)
   Call: (184) [system] get_char((0x56051b6b4f40), _513314)
   Exit: (184) [system] get_char((0x56051b6b4f40), i)
   Call: (184) [system] char_type(i, end_of_line)
   Call: (184) [system] i=end_of_file
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _517028)
   Call: (185) [system] get_char((0x56051b6b4f40), _517958)
   Exit: (185) [system] get_char((0x56051b6b4f40), m)
   Call: (185) [system] char_type(m, end_of_line)
   Call: (185) [system] m=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _521672)
   Call: (186) [system] get_char((0x56051b6b4f40), _522602)
   Exit: (186) [system] get_char((0x56051b6b4f40), e)
   Call: (186) [system] char_type(e, end_of_line)
   Call: (186) [system] e=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _526316)
   Call: (187) [system] get_char((0x56051b6b4f40), _527246)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
   Call: (187) [system] char_type(' ', end_of_line)
   Call: (187) [system] ' '=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _530960)
   Call: (188) [system] get_char((0x56051b6b4f40), _531890)
   Exit: (188) [system] get_char((0x56051b6b4f40), m)
   Call: (188) [system] char_type(m, end_of_line)
   Call: (188) [system] m=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _535604)
   Call: (189) [system] get_char((0x56051b6b4f40), _536534)
   Exit: (189) [system] get_char((0x56051b6b4f40), e)
   Call: (189) [system] char_type(e, end_of_line)
   Call: (189) [system] e=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _540248)
   Call: (190) [system] get_char((0x56051b6b4f40), _541178)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] char_type(t, end_of_line)
   Call: (190) [system] t=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _544892)
   Call: (191) [system] get_char((0x56051b6b4f40), _545822)
   Exit: (191) [system] get_char((0x56051b6b4f40), t)
   Call: (191) [system] char_type(t, end_of_line)
   Call: (191) [system] t=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _549536)
   Call: (192) [system] get_char((0x56051b6b4f40), _550466)
   Exit: (192) [system] get_char((0x56051b6b4f40), a)
   Call: (192) [system] char_type(a, end_of_line)
   Call: (192) [system] a=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _554180)
   Call: (193) [system] get_char((0x56051b6b4f40), _555110)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _558824)
   Call: (194) [system] get_char((0x56051b6b4f40), _559754)
   Exit: (194) [system] get_char((0x56051b6b4f40), t)
   Call: (194) [system] char_type(t, end_of_line)
   Call: (194) [system] t=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _563468)
   Call: (195) [system] get_char((0x56051b6b4f40), _564398)
   Exit: (195) [system] get_char((0x56051b6b4f40), e)
   Call: (195) [system] char_type(e, end_of_line)
   Call: (195) [system] e=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _568112)
   Call: (196) [system] get_char((0x56051b6b4f40), _569042)
   Exit: (196) [system] get_char((0x56051b6b4f40), s)
   Call: (196) [system] char_type(s, end_of_line)
   Call: (196) [system] s=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _572756)
   Call: (197) [system] get_char((0x56051b6b4f40), _573686)
   Exit: (197) [system] get_char((0x56051b6b4f40), t)
   Call: (197) [system] char_type(t, end_of_line)
   Call: (197) [system] t=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _577400)
   Call: (198) [system] get_char((0x56051b6b4f40), _578330)
   Exit: (198) [system] get_char((0x56051b6b4f40), s)
   Call: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] s=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _582044)
   Call: (199) [system] get_char((0x56051b6b4f40), _582974)
   Exit: (199) [system] get_char((0x56051b6b4f40), /)
   Call: (199) [system] char_type(/, end_of_line)
   Call: (199) [system] (/)=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _586688)
   Call: (200) [system] get_char((0x56051b6b4f40), _587618)
   Exit: (200) [system] get_char((0x56051b6b4f40), b)
   Call: (200) [system] char_type(b, end_of_line)
   Call: (200) [system] b=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _591332)
   Call: (201) [system] get_char((0x56051b6b4f40), _592262)
   Exit: (201) [system] get_char((0x56051b6b4f40), a)
   Call: (201) [system] char_type(a, end_of_line)
   Call: (201) [system] a=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _595976)
   Call: (202) [system] get_char((0x56051b6b4f40), _596906)
   Exit: (202) [system] get_char((0x56051b6b4f40), s)
   Call: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] s=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _600620)
   Call: (203) [system] get_char((0x56051b6b4f40), _601550)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] char_type(e, end_of_line)
   Call: (203) [system] e=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _605264)
   Call: (204) [system] get_char((0x56051b6b4f40), _606194)
   Exit: (204) [system] get_char((0x56051b6b4f40), l)
   Call: (204) [system] char_type(l, end_of_line)
   Call: (204) [system] l=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _609908)
   Call: (205) [system] get_char((0x56051b6b4f40), _610838)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] char_type(i, end_of_line)
   Call: (205) [system] i=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _614552)
   Call: (206) [system] get_char((0x56051b6b4f40), _615482)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] char_type(n, end_of_line)
   Call: (206) [system] n=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _619196)
   Call: (207) [system] get_char((0x56051b6b4f40), _620126)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] char_type(e, end_of_line)
   Call: (207) [system] e=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _623840)
   Call: (208) [system] get_char((0x56051b6b4f40), _624770)
   Exit: (208) [system] get_char((0x56051b6b4f40), '_')
   Call: (208) [system] char_type('_', end_of_line)
   Call: (208) [system] '_'=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _628484)
   Call: (209) [system] get_char((0x56051b6b4f40), _629414)
   Exit: (209) [system] get_char((0x56051b6b4f40), c)
   Call: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] c=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _633128)
   Call: (210) [system] get_char((0x56051b6b4f40), _634058)
   Exit: (210) [system] get_char((0x56051b6b4f40), o)
   Call: (210) [system] char_type(o, end_of_line)
   Call: (210) [system] o=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _637772)
   Call: (211) [system] get_char((0x56051b6b4f40), _638702)
   Exit: (211) [system] get_char((0x56051b6b4f40), m)
   Call: (211) [system] char_type(m, end_of_line)
   Call: (211) [system] m=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _642416)
   Call: (212) [system] get_char((0x56051b6b4f40), _643346)
   Exit: (212) [system] get_char((0x56051b6b4f40), p)
   Call: (212) [system] char_type(p, end_of_line)
   Call: (212) [system] p=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _647060)
   Call: (213) [system] get_char((0x56051b6b4f40), _647990)
   Exit: (213) [system] get_char((0x56051b6b4f40), a)
   Call: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _651704)
   Call: (214) [system] get_char((0x56051b6b4f40), _652634)
   Exit: (214) [system] get_char((0x56051b6b4f40), t)
   Call: (214) [system] char_type(t, end_of_line)
   Call: (214) [system] t=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _656348)
   Call: (215) [system] get_char((0x56051b6b4f40), _657278)
   Exit: (215) [system] get_char((0x56051b6b4f40), /)
   Call: (215) [system] char_type(/, end_of_line)
   Call: (215) [system] (/)=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _660992)
   Call: (216) [system] get_char((0x56051b6b4f40), _661922)
   Exit: (216) [system] get_char((0x56051b6b4f40), h)
   Call: (216) [system] char_type(h, end_of_line)
   Call: (216) [system] h=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _665636)
   Call: (217) [system] get_char((0x56051b6b4f40), _666566)
   Exit: (217) [system] get_char((0x56051b6b4f40), y)
   Call: (217) [system] char_type(y, end_of_line)
   Call: (217) [system] y=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _670280)
   Call: (218) [system] get_char((0x56051b6b4f40), _671210)
   Exit: (218) [system] get_char((0x56051b6b4f40), p)
   Call: (218) [system] char_type(p, end_of_line)
   Call: (218) [system] p=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _674924)
   Call: (219) [system] get_char((0x56051b6b4f40), _675854)
   Exit: (219) [system] get_char((0x56051b6b4f40), e)
   Call: (219) [system] char_type(e, end_of_line)
   Call: (219) [system] e=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _679568)
   Call: (220) [system] get_char((0x56051b6b4f40), _680498)
   Exit: (220) [system] get_char((0x56051b6b4f40), r)
   Call: (220) [system] char_type(r, end_of_line)
   Call: (220) [system] r=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _684212)
   Call: (221) [system] get_char((0x56051b6b4f40), _685142)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] char_type(o, end_of_line)
   Call: (221) [system] o=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _688856)
   Call: (222) [system] get_char((0x56051b6b4f40), _689786)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] char_type(n, end_of_line)
   Call: (222) [system] n=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _693500)
   Call: (223) [system] get_char((0x56051b6b4f40), _694430)
   Exit: (223) [system] get_char((0x56051b6b4f40), -)
   Call: (223) [system] char_type(-, end_of_line)
   Call: (223) [system] (-)=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _698144)
   Call: (224) [system] get_char((0x56051b6b4f40), _699074)
   Exit: (224) [system] get_char((0x56051b6b4f40), m)
   Call: (224) [system] char_type(m, end_of_line)
   Call: (224) [system] m=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _702788)
   Call: (225) [system] get_char((0x56051b6b4f40), _703718)
   Exit: (225) [system] get_char((0x56051b6b4f40), e)
   Call: (225) [system] char_type(e, end_of_line)
   Call: (225) [system] e=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _707432)
   Call: (226) [system] get_char((0x56051b6b4f40), _708362)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] char_type(t, end_of_line)
   Call: (226) [system] t=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _712076)
   Call: (227) [system] get_char((0x56051b6b4f40), _713006)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] char_type(t, end_of_line)
   Call: (227) [system] t=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _716720)
   Call: (228) [system] get_char((0x56051b6b4f40), _717650)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _721364)
   Call: (229) [system] get_char((0x56051b6b4f40), _722294)
   Exit: (229) [system] get_char((0x56051b6b4f40), l)
   Call: (229) [system] char_type(l, end_of_line)
   Call: (229) [system] l=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _726008)
   Call: (230) [system] get_char((0x56051b6b4f40), _726938)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] char_type(o, end_of_line)
   Call: (230) [system] o=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _730652)
   Call: (231) [system] get_char((0x56051b6b4f40), _731582)
   Exit: (231) [system] get_char((0x56051b6b4f40), g)
   Call: (231) [system] char_type(g, end_of_line)
   Call: (231) [system] g=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _735296)
   Call: (232) [system] get_char((0x56051b6b4f40), _736226)
   Exit: (232) [system] get_char((0x56051b6b4f40), '_')
   Call: (232) [system] char_type('_', end_of_line)
   Call: (232) [system] '_'=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _739940)
   Call: (233) [system] get_char((0x56051b6b4f40), _740870)
   Exit: (233) [system] get_char((0x56051b6b4f40), s)
   Call: (233) [system] char_type(s, end_of_line)
   Call: (233) [system] s=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _744584)
   Call: (234) [system] get_char((0x56051b6b4f40), _745514)
   Exit: (234) [system] get_char((0x56051b6b4f40), a)
   Call: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] a=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _749228)
   Call: (235) [system] get_char((0x56051b6b4f40), _750158)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] char_type(n, end_of_line)
   Call: (235) [system] n=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _753872)
   Call: (236) [system] get_char((0x56051b6b4f40), _754802)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] char_type(i, end_of_line)
   Call: (236) [system] i=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _758516)
   Call: (237) [system] get_char((0x56051b6b4f40), _759446)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] char_type(t, end_of_line)
   Call: (237) [system] t=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _763160)
   Call: (238) [system] get_char((0x56051b6b4f40), _764090)
   Exit: (238) [system] get_char((0x56051b6b4f40), y)
   Call: (238) [system] char_type(y, end_of_line)
   Call: (238) [system] y=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _767804)
   Call: (239) [system] get_char((0x56051b6b4f40), _768734)
   Exit: (239) [system] get_char((0x56051b6b4f40), /)
   Call: (239) [system] char_type(/, end_of_line)
   Call: (239) [system] (/)=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _772448)
   Call: (240) [system] get_char((0x56051b6b4f40), _773378)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] char_type(t, end_of_line)
   Call: (240) [system] t=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _777092)
   Call: (241) [system] get_char((0x56051b6b4f40), _778022)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] char_type(i, end_of_line)
   Call: (241) [system] i=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _781736)
   Call: (242) [system] get_char((0x56051b6b4f40), _782666)
   Exit: (242) [system] get_char((0x56051b6b4f40), m)
   Call: (242) [system] char_type(m, end_of_line)
   Call: (242) [system] m=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _786380)
   Call: (243) [system] get_char((0x56051b6b4f40), _787310)
   Exit: (243) [system] get_char((0x56051b6b4f40), e)
   Call: (243) [system] char_type(e, end_of_line)
   Call: (243) [system] e=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _791024)
   Call: (244) [system] get_char((0x56051b6b4f40), _791954)
   Exit: (244) [system] get_char((0x56051b6b4f40), '_')
   Call: (244) [system] char_type('_', end_of_line)
   Call: (244) [system] '_'=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _795668)
   Call: (245) [system] get_char((0x56051b6b4f40), _796598)
   Exit: (245) [system] get_char((0x56051b6b4f40), s)
   Call: (245) [system] char_type(s, end_of_line)
   Call: (245) [system] s=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _800312)
   Call: (246) [system] get_char((0x56051b6b4f40), _801242)
   Exit: (246) [system] get_char((0x56051b6b4f40), y)
   Call: (246) [system] char_type(y, end_of_line)
   Call: (246) [system] y=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _804956)
   Call: (247) [system] get_char((0x56051b6b4f40), _805886)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] char_type(n, end_of_line)
   Call: (247) [system] n=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _809600)
   Call: (248) [system] get_char((0x56051b6b4f40), _810530)
   Exit: (248) [system] get_char((0x56051b6b4f40), t)
   Call: (248) [system] char_type(t, end_of_line)
   Call: (248) [system] t=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _814244)
   Call: (249) [system] get_char((0x56051b6b4f40), _815174)
   Exit: (249) [system] get_char((0x56051b6b4f40), h)
   Call: (249) [system] char_type(h, end_of_line)
   Call: (249) [system] h=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _818888)
   Call: (250) [system] get_char((0x56051b6b4f40), _819818)
   Exit: (250) [system] get_char((0x56051b6b4f40), e)
   Call: (250) [system] char_type(e, end_of_line)
   Call: (250) [system] e=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _823532)
   Call: (251) [system] get_char((0x56051b6b4f40), _824462)
   Exit: (251) [system] get_char((0x56051b6b4f40), s)
   Call: (251) [system] char_type(s, end_of_line)
   Call: (251) [system] s=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _828176)
   Call: (252) [system] get_char((0x56051b6b4f40), _829106)
   Exit: (252) [system] get_char((0x56051b6b4f40), i)
   Call: (252) [system] char_type(i, end_of_line)
   Call: (252) [system] i=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _832820)
   Call: (253) [system] get_char((0x56051b6b4f40), _833750)
   Exit: (253) [system] get_char((0x56051b6b4f40), z)
   Call: (253) [system] char_type(z, end_of_line)
   Call: (253) [system] z=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _837464)
   Call: (254) [system] get_char((0x56051b6b4f40), _838394)
   Exit: (254) [system] get_char((0x56051b6b4f40), e)
   Call: (254) [system] char_type(e, end_of_line)
   Call: (254) [system] e=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _842108)
   Call: (255) [system] get_char((0x56051b6b4f40), _843038)
   Exit: (255) [system] get_char((0x56051b6b4f40), '_')
   Call: (255) [system] char_type('_', end_of_line)
   Call: (255) [system] '_'=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _846752)
   Call: (256) [system] get_char((0x56051b6b4f40), _847682)
   Exit: (256) [system] get_char((0x56051b6b4f40), l)
   Call: (256) [system] char_type(l, end_of_line)
   Call: (256) [system] l=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _851396)
   Call: (257) [system] get_char((0x56051b6b4f40), _852326)
   Exit: (257) [system] get_char((0x56051b6b4f40), o)
   Call: (257) [system] char_type(o, end_of_line)
   Call: (257) [system] o=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _856040)
   Call: (258) [system] get_char((0x56051b6b4f40), _856970)
   Exit: (258) [system] get_char((0x56051b6b4f40), n)
   Call: (258) [system] char_type(n, end_of_line)
   Call: (258) [system] n=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _860684)
   Call: (259) [system] get_char((0x56051b6b4f40), _861614)
   Exit: (259) [system] get_char((0x56051b6b4f40), g)
   Call: (259) [system] char_type(g, end_of_line)
   Call: (259) [system] g=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _865328)
   Call: (260) [system] get_char((0x56051b6b4f40), _866258)
   Exit: (260) [system] get_char((0x56051b6b4f40), '.')
   Call: (260) [system] char_type('.', end_of_line)
   Call: (260) [system] ('.')=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _869972)
   Call: (261) [system] get_char((0x56051b6b4f40), _870902)
   Exit: (261) [system] get_char((0x56051b6b4f40), m)
   Call: (261) [system] char_type(m, end_of_line)
   Call: (261) [system] m=end_of_file
^  Call: (261) [user] read_until_eol((0x56051b6b4f40), _874616)
   Call: (262) [system] get_char((0x56051b6b4f40), _875546)
   Exit: (262) [system] get_char((0x56051b6b4f40), e)
   Call: (262) [system] char_type(e, end_of_line)
   Call: (262) [system] e=end_of_file
^  Call: (262) [user] read_until_eol((0x56051b6b4f40), _879260)
   Call: (263) [system] get_char((0x56051b6b4f40), _880190)
   Exit: (263) [system] get_char((0x56051b6b4f40), t)
   Call: (263) [system] char_type(t, end_of_line)
   Call: (263) [system] t=end_of_file
^  Call: (263) [user] read_until_eol((0x56051b6b4f40), _883904)
   Call: (264) [system] get_char((0x56051b6b4f40), _884834)
   Exit: (264) [system] get_char((0x56051b6b4f40), t)
   Call: (264) [system] char_type(t, end_of_line)
   Call: (264) [system] t=end_of_file
^  Call: (264) [user] read_until_eol((0x56051b6b4f40), _888548)
   Call: (265) [system] get_char((0x56051b6b4f40), _889478)
   Exit: (265) [system] get_char((0x56051b6b4f40), a)
   Call: (265) [system] char_type(a, end_of_line)
   Call: (265) [system] a=end_of_file
^  Call: (265) [user] read_until_eol((0x56051b6b4f40), _893192)
   Call: (266) [system] get_char((0x56051b6b4f40), _894122)
   Exit: (266) [system] get_char((0x56051b6b4f40), '\n')
   Call: (266) [system] char_type('\n', end_of_line)
   Exit: (266) [system] char_type('\n', end_of_line)
   Call: (266) [system] _893192=""
   Exit: (266) [system] ""=""
^  Exit: (265) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (265) [system] string_concat(a, "", _888548)
   Exit: (265) [system] string_concat(a, "", "a")
^  Exit: (264) [user] read_until_eol((0x56051b6b4f40), "a")
   Call: (264) [system] string_concat(t, "a", _883904)
   Exit: (264) [system] string_concat(t, "a", "ta")
^  Exit: (263) [user] read_until_eol((0x56051b6b4f40), "ta")
   Call: (263) [system] string_concat(t, "ta", _879260)
   Exit: (263) [system] string_concat(t, "ta", "tta")
^  Exit: (262) [user] read_until_eol((0x56051b6b4f40), "tta")
   Call: (262) [system] string_concat(e, "tta", _874616)
   Exit: (262) [system] string_concat(e, "tta", "etta")
^  Exit: (261) [user] read_until_eol((0x56051b6b4f40), "etta")
   Call: (261) [system] string_concat(m, "etta", _869972)
   Exit: (261) [system] string_concat(m, "etta", "metta")
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), "metta")
   Call: (260) [system] string_concat('.', "metta", _865328)
   Exit: (260) [system] string_concat('.', "metta", ".metta")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), ".metta")
   Call: (259) [system] string_concat(g, ".metta", _860684)
   Exit: (259) [system] string_concat(g, ".metta", "g.metta")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), "g.metta")
   Call: (258) [system] string_concat(n, "g.metta", _856040)
   Exit: (258) [system] string_concat(n, "g.metta", "ng.metta")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "ng.metta")
   Call: (257) [system] string_concat(o, "ng.metta", _851396)
   Exit: (257) [system] string_concat(o, "ng.metta", "ong.metta")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "ong.metta")
   Call: (256) [system] string_concat(l, "ong.metta", _846752)
   Exit: (256) [system] string_concat(l, "ong.metta", "long.metta")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "long.metta")
   Call: (255) [system] string_concat('_', "long.metta", _842108)
   Exit: (255) [system] string_concat('_', "long.metta", "_long.metta")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "_long.metta")
   Call: (254) [system] string_concat(e, "_long.metta", _837464)
   Exit: (254) [system] string_concat(e, "_long.metta", "e_long.metta")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "e_long.metta")
   Call: (253) [system] string_concat(z, "e_long.metta", _832820)
   Exit: (253) [system] string_concat(z, "e_long.metta", "ze_long.metta")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), "ze_long.metta")
   Call: (252) [system] string_concat(i, "ze_long.metta", _828176)
   Exit: (252) [system] string_concat(i, "ze_long.metta", "ize_long.metta")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), "ize_long.metta")
   Call: (251) [system] string_concat(s, "ize_long.metta", _823532)
   Exit: (251) [system] string_concat(s, "ize_long.metta", "size_long.metta")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "size_long.metta")
   Call: (250) [system] string_concat(e, "size_long.metta", _818888)
   Exit: (250) [system] string_concat(e, "size_long.metta", "esize_long.metta")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "esize_long.metta")
   Call: (249) [system] string_concat(h, "esize_long.metta", _814244)
   Exit: (249) [system] string_concat(h, "esize_long.metta", "hesize_long.metta")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "hesize_long.metta")
   Call: (248) [system] string_concat(t, "hesize_long.metta", _809600)
   Exit: (248) [system] string_concat(t, "hesize_long.metta", "thesize_long.metta")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "thesize_long.metta")
   Call: (247) [system] string_concat(n, "thesize_long.metta", _804956)
   Exit: (247) [system] string_concat(n, "thesize_long.metta", "nthesize_long.metta")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "nthesize_long.metta")
   Call: (246) [system] string_concat(y, "nthesize_long.metta", _800312)
   Exit: (246) [system] string_concat(y, "nthesize_long.metta", "ynthesize_long.metta")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "ynthesize_long.metta")
   Call: (245) [system] string_concat(s, "ynthesize_long.metta", _795668)
   Exit: (245) [system] string_concat(s, "ynthesize_long.metta", "synthesize_long.metta")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "synthesize_long.metta")
   Call: (244) [system] string_concat('_', "synthesize_long.metta", _791024)
   Exit: (244) [system] string_concat('_', "synthesize_long.metta", "_synthesize_long.metta")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "_synthesize_long.metta")
   Call: (243) [system] string_concat(e, "_synthesize_long.metta", _786380)
   Exit: (243) [system] string_concat(e, "_synthesize_long.metta", "e_synthesize_long.metta")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "e_synthesize_long.metta")
   Call: (242) [system] string_concat(m, "e_synthesize_long.metta", _781736)
   Exit: (242) [system] string_concat(m, "e_synthesize_long.metta", "me_synthesize_long.metta")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "me_synthesize_long.metta")
   Call: (241) [system] string_concat(i, "me_synthesize_long.metta", _777092)
   Exit: (241) [system] string_concat(i, "me_synthesize_long.metta", "ime_synthesize_long.metta")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "ime_synthesize_long.metta")
   Call: (240) [system] string_concat(t, "ime_synthesize_long.metta", _772448)
   Exit: (240) [system] string_concat(t, "ime_synthesize_long.metta", "time_synthesize_long.metta")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "time_synthesize_long.metta")
   Call: (239) [system] string_concat(/, "time_synthesize_long.metta", _767804)
   Exit: (239) [system] string_concat(/, "time_synthesize_long.metta", "/time_synthesize_long.metta")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "/time_synthesize_long.metta")
   Call: (238) [system] string_concat(y, "/time_synthesize_long.metta", _763160)
   Exit: (238) [system] string_concat(y, "/time_synthesize_long.metta", "y/time_synthesize_long.metta")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "y/time_synthesize_long.metta")
   Call: (237) [system] string_concat(t, "y/time_synthesize_long.metta", _758516)
   Exit: (237) [system] string_concat(t, "y/time_synthesize_long.metta", "ty/time_synthesize_long.metta")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "ty/time_synthesize_long.metta")
   Call: (236) [system] string_concat(i, "ty/time_synthesize_long.metta", _753872)
   Exit: (236) [system] string_concat(i, "ty/time_synthesize_long.metta", "ity/time_synthesize_long.metta")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "ity/time_synthesize_long.metta")
   Call: (235) [system] string_concat(n, "ity/time_synthesize_long.metta", _749228)
   Exit: (235) [system] string_concat(n, "ity/time_synthesize_long.metta", "nity/time_synthesize_long.metta")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "nity/time_synthesize_long.metta")
   Call: (234) [system] string_concat(a, "nity/time_synthesize_long.metta", _744584)
   Exit: (234) [system] string_concat(a, "nity/time_synthesize_long.metta", "anity/time_synthesize_long.metta")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "anity/time_synthesize_long.metta")
   Call: (233) [system] string_concat(s, "anity/time_synthesize_long.metta", _739940)
   Exit: (233) [system] string_concat(s, "anity/time_synthesize_long.metta", "sanity/time_synthesize_long.metta")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "sanity/time_synthesize_long.metta")
   Call: (232) [system] string_concat('_', "sanity/time_synthesize_long.metta", _735296)
   Exit: (232) [system] string_concat('_', "sanity/time_synthesize_long.metta", "_sanity/time_synthesize_long.metta")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "_sanity/time_synthesize_long.metta")
   Call: (231) [system] string_concat(g, "_sanity/time_synthesize_long.metta", _730652)
   Exit: (231) [system] string_concat(g, "_sanity/time_synthesize_long.metta", "g_sanity/time_synthesize_long.metta")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "g_sanity/time_synthesize_long.metta")
   Call: (230) [system] string_concat(o, "g_sanity/time_synthesize_long.metta", _726008)
   Exit: (230) [system] string_concat(o, "g_sanity/time_synthesize_long.metta", "og_sanity/time_synthesize_long.metta")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "og_sanity/time_synthesize_long.metta")
   Call: (229) [system] string_concat(l, "og_sanity/time_synthesize_long.metta", _721364)
   Exit: (229) [system] string_concat(l, "og_sanity/time_synthesize_long.metta", "log_sanity/time_synthesize_long.metta")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "log_sanity/time_synthesize_long.metta")
   Call: (228) [system] string_concat(a, "log_sanity/time_synthesize_long.metta", _716720)
   Exit: (228) [system] string_concat(a, "log_sanity/time_synthesize_long.metta", "alog_sanity/time_synthesize_long.metta")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "alog_sanity/time_synthesize_long.metta")
   Call: (227) [system] string_concat(t, "alog_sanity/time_synthesize_long.metta", _712076)
   Exit: (227) [system] string_concat(t, "alog_sanity/time_synthesize_long.metta", "talog_sanity/time_synthesize_long.metta")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "talog_sanity/time_synthesize_long.metta")
   Call: (226) [system] string_concat(t, "talog_sanity/time_synthesize_long.metta", _707432)
   Exit: (226) [system] string_concat(t, "talog_sanity/time_synthesize_long.metta", "ttalog_sanity/time_synthesize_long.metta")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "ttalog_sanity/time_synthesize_long.metta")
   Call: (225) [system] string_concat(e, "ttalog_sanity/time_synthesize_long.metta", _702788)
   Exit: (225) [system] string_concat(e, "ttalog_sanity/time_synthesize_long.metta", "ettalog_sanity/time_synthesize_long.metta")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "ettalog_sanity/time_synthesize_long.metta")
   Call: (224) [system] string_concat(m, "ettalog_sanity/time_synthesize_long.metta", _698144)
   Exit: (224) [system] string_concat(m, "ettalog_sanity/time_synthesize_long.metta", "mettalog_sanity/time_synthesize_long.metta")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "mettalog_sanity/time_synthesize_long.metta")
   Call: (223) [system] string_concat(-, "mettalog_sanity/time_synthesize_long.metta", _693500)
   Exit: (223) [system] string_concat(-, "mettalog_sanity/time_synthesize_long.metta", "-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "-mettalog_sanity/time_synthesize_long.metta")
   Call: (222) [system] string_concat(n, "-mettalog_sanity/time_synthesize_long.metta", _688856)
   Exit: (222) [system] string_concat(n, "-mettalog_sanity/time_synthesize_long.metta", "n-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "n-mettalog_sanity/time_synthesize_long.metta")
   Call: (221) [system] string_concat(o, "n-mettalog_sanity/time_synthesize_long.metta", _684212)
   Exit: (221) [system] string_concat(o, "n-mettalog_sanity/time_synthesize_long.metta", "on-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "on-mettalog_sanity/time_synthesize_long.metta")
   Call: (220) [system] string_concat(r, "on-mettalog_sanity/time_synthesize_long.metta", _679568)
   Exit: (220) [system] string_concat(r, "on-mettalog_sanity/time_synthesize_long.metta", "ron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "ron-mettalog_sanity/time_synthesize_long.metta")
   Call: (219) [system] string_concat(e, "ron-mettalog_sanity/time_synthesize_long.metta", _674924)
   Exit: (219) [system] string_concat(e, "ron-mettalog_sanity/time_synthesize_long.metta", "eron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "eron-mettalog_sanity/time_synthesize_long.metta")
   Call: (218) [system] string_concat(p, "eron-mettalog_sanity/time_synthesize_long.metta", _670280)
   Exit: (218) [system] string_concat(p, "eron-mettalog_sanity/time_synthesize_long.metta", "peron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "peron-mettalog_sanity/time_synthesize_long.metta")
   Call: (217) [system] string_concat(y, "peron-mettalog_sanity/time_synthesize_long.metta", _665636)
   Exit: (217) [system] string_concat(y, "peron-mettalog_sanity/time_synthesize_long.metta", "yperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "yperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (216) [system] string_concat(h, "yperon-mettalog_sanity/time_synthesize_long.metta", _660992)
   Exit: (216) [system] string_concat(h, "yperon-mettalog_sanity/time_synthesize_long.metta", "hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (215) [system] string_concat(/, "hyperon-mettalog_sanity/time_synthesize_long.metta", _656348)
   Exit: (215) [system] string_concat(/, "hyperon-mettalog_sanity/time_synthesize_long.metta", "/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (214) [system] string_concat(t, "/hyperon-mettalog_sanity/time_synthesize_long.metta", _651704)
   Exit: (214) [system] string_concat(t, "/hyperon-mettalog_sanity/time_synthesize_long.metta", "t/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "t/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (213) [system] string_concat(a, "t/hyperon-mettalog_sanity/time_synthesize_long.metta", _647060)
   Exit: (213) [system] string_concat(a, "t/hyperon-mettalog_sanity/time_synthesize_long.metta", "at/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "at/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (212) [system] string_concat(p, "at/hyperon-mettalog_sanity/time_synthesize_long.metta", _642416)
   Exit: (212) [system] string_concat(p, "at/hyperon-mettalog_sanity/time_synthesize_long.metta", "pat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "pat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (211) [system] string_concat(m, "pat/hyperon-mettalog_sanity/time_synthesize_long.metta", _637772)
   Exit: (211) [system] string_concat(m, "pat/hyperon-mettalog_sanity/time_synthesize_long.metta", "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (210) [system] string_concat(o, "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta", _633128)
   Exit: (210) [system] string_concat(o, "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (209) [system] string_concat(c, "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta", _628484)
   Exit: (209) [system] string_concat(c, "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta", "compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (208) [system] string_concat('_', "compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _623840)
   Exit: (208) [system] string_concat('_', "compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (207) [system] string_concat(e, "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _619196)
   Exit: (207) [system] string_concat(e, "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (206) [system] string_concat(n, "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _614552)
   Exit: (206) [system] string_concat(n, "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (205) [system] string_concat(i, "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _609908)
   Exit: (205) [system] string_concat(i, "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (204) [system] string_concat(l, "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _605264)
   Exit: (204) [system] string_concat(l, "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (203) [system] string_concat(e, "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _600620)
   Exit: (203) [system] string_concat(e, "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (202) [system] string_concat(s, "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _595976)
   Exit: (202) [system] string_concat(s, "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (201) [system] string_concat(a, "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _591332)
   Exit: (201) [system] string_concat(a, "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (200) [system] string_concat(b, "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _586688)
   Exit: (200) [system] string_concat(b, "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (199) [system] string_concat(/, "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _582044)
   Exit: (199) [system] string_concat(/, "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (198) [system] string_concat(s, "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _577400)
   Exit: (198) [system] string_concat(s, "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (197) [system] string_concat(t, "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _572756)
   Exit: (197) [system] string_concat(t, "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (196) [system] string_concat(s, "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _568112)
   Exit: (196) [system] string_concat(s, "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (195) [system] string_concat(e, "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _563468)
   Exit: (195) [system] string_concat(e, "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (194) [system] string_concat(t, "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _558824)
   Exit: (194) [system] string_concat(t, "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (193) [system] string_concat(' ', "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _554180)
   Exit: (193) [system] string_concat(' ', "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (192) [system] string_concat(a, " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _549536)
   Exit: (192) [system] string_concat(a, " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "a tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "a tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (191) [system] string_concat(t, "a tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _544892)
   Exit: (191) [system] string_concat(t, "a tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "ta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (190) [system] string_concat(t, "ta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _540248)
   Exit: (190) [system] string_concat(t, "ta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "tta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "tta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (189) [system] string_concat(e, "tta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _535604)
   Exit: (189) [system] string_concat(e, "tta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "etta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "etta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (188) [system] string_concat(m, "etta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _530960)
   Exit: (188) [system] string_concat(m, "etta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (187) [system] string_concat(' ', "metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _526316)
   Exit: (187) [system] string_concat(' ', "metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", " metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), " metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (186) [system] string_concat(e, " metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _521672)
   Exit: (186) [system] string_concat(e, " metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "e metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), "e metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (185) [system] string_concat(m, "e metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _517028)
   Exit: (185) [system] string_concat(m, "e metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "me metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), "me metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (184) [system] string_concat(i, "me metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _512384)
   Exit: (184) [system] string_concat(i, "me metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ime metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (183) [user] read_until_eol((0x56051b6b4f40), "ime metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (183) [system] string_concat(t, "ime metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _507740)
   Exit: (183) [system] string_concat(t, "ime metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (182) [user] read_until_eol((0x56051b6b4f40), "time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (182) [system] string_concat(;, "time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _503096)
   Exit: (182) [system] string_concat(;, "time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", ";time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (181) [user] read_until_eol((0x56051b6b4f40), ";time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (181) [system] string_concat(;, ";time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _498452)
   Exit: (181) [system] string_concat(;, ";time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (180) [user] read_until_eol((0x56051b6b4f40), ";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Call: (180) [user] assertz(metta_file_comment(1, 0, 0, '$COMMENT'(";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 1, 0), '$stream_position'(0, 1, 0, 0)))
^  Exit: (180) [user] assertz(metta_file_comment(1, 0, 0, '$COMMENT'(";;time metta tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 1, 0), '$stream_position'(0, 1, 0, 0)))
^  Exit: (179) [user] read_comment((0x56051b6b4f40))
^  Call: (179) [user] skip_spaces((0x56051b6b4f40))
   Call: (180) [system] peek_char((0x56051b6b4f40), _1143044)
   Exit: (180) [system] peek_char((0x56051b6b4f40), ;)
   Call: (180) [system] (;)=(;)
   Exit: (180) [system] (;)=(;)
^  Call: (180) [user] read_comment((0x56051b6b4f40))
^  Call: (181) [user] read_position((0x56051b6b4f40), _1147682, _1147684, _1147686, _1147688)
   Call: (182) [system] stream_property((0x56051b6b4f40), position(_1147688))
   Call: (183) [system] nonvar((0x56051b6b4f40))
   Exit: (183) [system] nonvar((0x56051b6b4f40))
   Call: (183) [system] nonvar(position(_1147688))
   Exit: (183) [system] nonvar(position(_1147688))
   Exit: (182) [system] stream_property((0x56051b6b4f40), position('$stream_position'(86, 2, 0, 86)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(86, 2, 0, 86), _1147682)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _1156976)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(86, 2, 0, 86), _1147682)
   Exit: (183) [system] arg(2, '$stream_position'(86, 2, 0, 86), 2)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(86, 2, 0, 86), 2)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(86, 2, 0, 86), _1147684)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _1164410)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(86, 2, 0, 86), _1147684)
   Exit: (183) [system] arg(3, '$stream_position'(86, 2, 0, 86), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(86, 2, 0, 86), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(86, 2, 0, 86), _1147686)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _1171844)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(86, 2, 0, 86), _1147686)
   Exit: (183) [system] arg(1, '$stream_position'(86, 2, 0, 86), 86)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(86, 2, 0, 86), 86)
^  Exit: (181) [user] read_position((0x56051b6b4f40), 2, 0, 86, '$stream_position'(86, 2, 0, 86))
^  Call: (181) [user] read_until_eol((0x56051b6b4f40), _1177438)
   Call: (182) [system] get_char((0x56051b6b4f40), _1178368)
   Exit: (182) [system] get_char((0x56051b6b4f40), ;)
   Call: (182) [system] char_type(;, end_of_line)
   Call: (182) [system] (;)=end_of_file
^  Call: (182) [user] read_until_eol((0x56051b6b4f40), _1182082)
   Call: (183) [system] get_char((0x56051b6b4f40), _1183012)
   Exit: (183) [system] get_char((0x56051b6b4f40), ;)
   Call: (183) [system] char_type(;, end_of_line)
   Call: (183) [system] (;)=end_of_file
^  Call: (183) [user] read_until_eol((0x56051b6b4f40), _1186726)
   Call: (184) [system] get_char((0x56051b6b4f40), _1187656)
   Exit: (184) [system] get_char((0x56051b6b4f40), r)
   Call: (184) [system] char_type(r, end_of_line)
   Call: (184) [system] r=end_of_file
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _1191370)
   Call: (185) [system] get_char((0x56051b6b4f40), _1192300)
   Exit: (185) [system] get_char((0x56051b6b4f40), e)
   Call: (185) [system] char_type(e, end_of_line)
   Call: (185) [system] e=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1196014)
   Call: (186) [system] get_char((0x56051b6b4f40), _1196944)
   Exit: (186) [system] get_char((0x56051b6b4f40), a)
   Call: (186) [system] char_type(a, end_of_line)
   Call: (186) [system] a=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1200658)
   Call: (187) [system] get_char((0x56051b6b4f40), _1201588)
   Exit: (187) [system] get_char((0x56051b6b4f40), l)
   Call: (187) [system] char_type(l, end_of_line)
   Call: (187) [system] l=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1205302)
   Call: (188) [system] get_char((0x56051b6b4f40), _1206232)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
   Call: (188) [system] char_type(' ', end_of_line)
   Call: (188) [system] ' '=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1209946)
   Call: (189) [system] get_char((0x56051b6b4f40), _1210876)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
   Call: (189) [system] char_type(' ', end_of_line)
   Call: (189) [system] ' '=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1214590)
   Call: (190) [system] get_char((0x56051b6b4f40), _1215520)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
   Call: (190) [system] char_type(' ', end_of_line)
   Call: (190) [system] ' '=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1219234)
   Call: (191) [system] get_char((0x56051b6b4f40), _1220164)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
   Call: (191) [system] char_type(' ', end_of_line)
   Call: (191) [system] ' '=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1223878)
   Call: (192) [system] get_char((0x56051b6b4f40), _1224808)
   Exit: (192) [system] get_char((0x56051b6b4f40), '1')
   Call: (192) [system] char_type('1', end_of_line)
   Call: (192) [system] '1'=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1228522)
   Call: (193) [system] get_char((0x56051b6b4f40), _1229452)
   Exit: (193) [system] get_char((0x56051b6b4f40), m)
   Call: (193) [system] char_type(m, end_of_line)
   Call: (193) [system] m=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1233166)
   Call: (194) [system] get_char((0x56051b6b4f40), _1234096)
   Exit: (194) [system] get_char((0x56051b6b4f40), '1')
   Call: (194) [system] char_type('1', end_of_line)
   Call: (194) [system] '1'=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1237810)
   Call: (195) [system] get_char((0x56051b6b4f40), _1238740)
   Exit: (195) [system] get_char((0x56051b6b4f40), '.')
   Call: (195) [system] char_type('.', end_of_line)
   Call: (195) [system] ('.')=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1242454)
   Call: (196) [system] get_char((0x56051b6b4f40), _1243384)
   Exit: (196) [system] get_char((0x56051b6b4f40), '6')
   Call: (196) [system] char_type('6', end_of_line)
   Call: (196) [system] '6'=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1247098)
   Call: (197) [system] get_char((0x56051b6b4f40), _1248028)
   Exit: (197) [system] get_char((0x56051b6b4f40), '6')
   Call: (197) [system] char_type('6', end_of_line)
   Call: (197) [system] '6'=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1251742)
   Call: (198) [system] get_char((0x56051b6b4f40), _1252672)
   Exit: (198) [system] get_char((0x56051b6b4f40), '7')
   Call: (198) [system] char_type('7', end_of_line)
   Call: (198) [system] '7'=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1256386)
   Call: (199) [system] get_char((0x56051b6b4f40), _1257316)
   Exit: (199) [system] get_char((0x56051b6b4f40), s)
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] s=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1261030)
   Call: (200) [system] get_char((0x56051b6b4f40), _1261960)
   Exit: (200) [system] get_char((0x56051b6b4f40), '\n')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
   Call: (200) [system] _1261030=""
   Exit: (200) [system] ""=""
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (199) [system] string_concat(s, "", _1256386)
   Exit: (199) [system] string_concat(s, "", "s")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "s")
   Call: (198) [system] string_concat('7', "s", _1251742)
   Exit: (198) [system] string_concat('7', "s", "7s")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "7s")
   Call: (197) [system] string_concat('6', "7s", _1247098)
   Exit: (197) [system] string_concat('6', "7s", "67s")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "67s")
   Call: (196) [system] string_concat('6', "67s", _1242454)
   Exit: (196) [system] string_concat('6', "67s", "667s")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "667s")
   Call: (195) [system] string_concat('.', "667s", _1237810)
   Exit: (195) [system] string_concat('.', "667s", ".667s")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), ".667s")
   Call: (194) [system] string_concat('1', ".667s", _1233166)
   Exit: (194) [system] string_concat('1', ".667s", "1.667s")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "1.667s")
   Call: (193) [system] string_concat(m, "1.667s", _1228522)
   Exit: (193) [system] string_concat(m, "1.667s", "m1.667s")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "m1.667s")
   Call: (192) [system] string_concat('1', "m1.667s", _1223878)
   Exit: (192) [system] string_concat('1', "m1.667s", "1m1.667s")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "1m1.667s")
   Call: (191) [system] string_concat(' ', "1m1.667s", _1219234)
   Exit: (191) [system] string_concat(' ', "1m1.667s", " 1m1.667s")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), " 1m1.667s")
   Call: (190) [system] string_concat(' ', " 1m1.667s", _1214590)
   Exit: (190) [system] string_concat(' ', " 1m1.667s", "  1m1.667s")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "  1m1.667s")
   Call: (189) [system] string_concat(' ', "  1m1.667s", _1209946)
   Exit: (189) [system] string_concat(' ', "  1m1.667s", "   1m1.667s")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "   1m1.667s")
   Call: (188) [system] string_concat(' ', "   1m1.667s", _1205302)
   Exit: (188) [system] string_concat(' ', "   1m1.667s", "    1m1.667s")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "    1m1.667s")
   Call: (187) [system] string_concat(l, "    1m1.667s", _1200658)
   Exit: (187) [system] string_concat(l, "    1m1.667s", "l    1m1.667s")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), "l    1m1.667s")
   Call: (186) [system] string_concat(a, "l    1m1.667s", _1196014)
   Exit: (186) [system] string_concat(a, "l    1m1.667s", "al    1m1.667s")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), "al    1m1.667s")
   Call: (185) [system] string_concat(e, "al    1m1.667s", _1191370)
   Exit: (185) [system] string_concat(e, "al    1m1.667s", "eal    1m1.667s")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), "eal    1m1.667s")
   Call: (184) [system] string_concat(r, "eal    1m1.667s", _1186726)
   Exit: (184) [system] string_concat(r, "eal    1m1.667s", "real    1m1.667s")
^  Exit: (183) [user] read_until_eol((0x56051b6b4f40), "real    1m1.667s")
   Call: (183) [system] string_concat(;, "real    1m1.667s", _1182082)
   Exit: (183) [system] string_concat(;, "real    1m1.667s", ";real    1m1.667s")
^  Exit: (182) [user] read_until_eol((0x56051b6b4f40), ";real    1m1.667s")
   Call: (182) [system] string_concat(;, ";real    1m1.667s", _1177438)
   Exit: (182) [system] string_concat(;, ";real    1m1.667s", ";;real    1m1.667s")
^  Exit: (181) [user] read_until_eol((0x56051b6b4f40), ";;real    1m1.667s")
^  Call: (181) [user] assertz(metta_file_comment(2, 0, 86, '$COMMENT'(";;real    1m1.667s", 2, 0), '$stream_position'(86, 2, 0, 86)))
^  Exit: (181) [user] assertz(metta_file_comment(2, 0, 86, '$COMMENT'(";;real    1m1.667s", 2, 0), '$stream_position'(86, 2, 0, 86)))
^  Exit: (180) [user] read_comment((0x56051b6b4f40))
^  Call: (180) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] peek_char((0x56051b6b4f40), _1322588)
   Exit: (181) [system] peek_char((0x56051b6b4f40), ;)
   Call: (181) [system] (;)=(;)
   Exit: (181) [system] (;)=(;)
^  Call: (181) [user] read_comment((0x56051b6b4f40))
^  Call: (182) [user] read_position((0x56051b6b4f40), _1327226, _1327228, _1327230, _1327232)
   Call: (183) [system] stream_property((0x56051b6b4f40), position(_1327232))
   Call: (184) [system] nonvar((0x56051b6b4f40))
   Exit: (184) [system] nonvar((0x56051b6b4f40))
   Call: (184) [system] nonvar(position(_1327232))
   Exit: (184) [system] nonvar(position(_1327232))
   Exit: (183) [system] stream_property((0x56051b6b4f40), position('$stream_position'(105, 3, 0, 105)))
   Call: (183) [$syspreds] stream_position_data(line_count, '$stream_position'(105, 3, 0, 105), _1327226)
   Call: (184) [system] nonvar(line_count)
   Exit: (184) [system] nonvar(line_count)
   Call: (184) [$syspreds] stream_position_field(line_count, _1336520)
   Exit: (184) [$syspreds] stream_position_field(line_count, 2)
   Call: (184) [system] arg(2, '$stream_position'(105, 3, 0, 105), _1327226)
   Exit: (184) [system] arg(2, '$stream_position'(105, 3, 0, 105), 3)
   Exit: (183) [$syspreds] stream_position_data(line_count, '$stream_position'(105, 3, 0, 105), 3)
   Call: (183) [$syspreds] stream_position_data(line_position, '$stream_position'(105, 3, 0, 105), _1327228)
   Call: (184) [system] nonvar(line_position)
   Exit: (184) [system] nonvar(line_position)
   Call: (184) [$syspreds] stream_position_field(line_position, _1343954)
   Exit: (184) [$syspreds] stream_position_field(line_position, 3)
   Call: (184) [system] arg(3, '$stream_position'(105, 3, 0, 105), _1327228)
   Exit: (184) [system] arg(3, '$stream_position'(105, 3, 0, 105), 0)
   Exit: (183) [$syspreds] stream_position_data(line_position, '$stream_position'(105, 3, 0, 105), 0)
   Call: (183) [$syspreds] stream_position_data(char_count, '$stream_position'(105, 3, 0, 105), _1327230)
   Call: (184) [system] nonvar(char_count)
   Exit: (184) [system] nonvar(char_count)
   Call: (184) [$syspreds] stream_position_field(char_count, _1351388)
   Exit: (184) [$syspreds] stream_position_field(char_count, 1)
   Call: (184) [system] arg(1, '$stream_position'(105, 3, 0, 105), _1327230)
   Exit: (184) [system] arg(1, '$stream_position'(105, 3, 0, 105), 105)
   Exit: (183) [$syspreds] stream_position_data(char_count, '$stream_position'(105, 3, 0, 105), 105)
^  Exit: (182) [user] read_position((0x56051b6b4f40), 3, 0, 105, '$stream_position'(105, 3, 0, 105))
^  Call: (182) [user] read_until_eol((0x56051b6b4f40), _1356982)
   Call: (183) [system] get_char((0x56051b6b4f40), _1357912)
   Exit: (183) [system] get_char((0x56051b6b4f40), ;)
   Call: (183) [system] char_type(;, end_of_line)
   Call: (183) [system] (;)=end_of_file
^  Call: (183) [user] read_until_eol((0x56051b6b4f40), _1361626)
   Call: (184) [system] get_char((0x56051b6b4f40), _1362556)
   Exit: (184) [system] get_char((0x56051b6b4f40), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _1366270)
   Call: (185) [system] get_char((0x56051b6b4f40), _1367200)
   Exit: (185) [system] get_char((0x56051b6b4f40), u)
   Call: (185) [system] char_type(u, end_of_line)
   Call: (185) [system] u=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1370914)
   Call: (186) [system] get_char((0x56051b6b4f40), _1371844)
   Exit: (186) [system] get_char((0x56051b6b4f40), s)
   Call: (186) [system] char_type(s, end_of_line)
   Call: (186) [system] s=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1375558)
   Call: (187) [system] get_char((0x56051b6b4f40), _1376488)
   Exit: (187) [system] get_char((0x56051b6b4f40), e)
   Call: (187) [system] char_type(e, end_of_line)
   Call: (187) [system] e=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1380202)
   Call: (188) [system] get_char((0x56051b6b4f40), _1381132)
   Exit: (188) [system] get_char((0x56051b6b4f40), r)
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] r=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1384846)
   Call: (189) [system] get_char((0x56051b6b4f40), _1385776)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
   Call: (189) [system] char_type(' ', end_of_line)
   Call: (189) [system] ' '=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1389490)
   Call: (190) [system] get_char((0x56051b6b4f40), _1390420)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
   Call: (190) [system] char_type(' ', end_of_line)
   Call: (190) [system] ' '=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1394134)
   Call: (191) [system] get_char((0x56051b6b4f40), _1395064)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
   Call: (191) [system] char_type(' ', end_of_line)
   Call: (191) [system] ' '=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1398778)
   Call: (192) [system] get_char((0x56051b6b4f40), _1399708)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
   Call: (192) [system] char_type(' ', end_of_line)
   Call: (192) [system] ' '=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1403422)
   Call: (193) [system] get_char((0x56051b6b4f40), _1404352)
   Exit: (193) [system] get_char((0x56051b6b4f40), '1')
   Call: (193) [system] char_type('1', end_of_line)
   Call: (193) [system] '1'=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1408066)
   Call: (194) [system] get_char((0x56051b6b4f40), _1408996)
   Exit: (194) [system] get_char((0x56051b6b4f40), m)
   Call: (194) [system] char_type(m, end_of_line)
   Call: (194) [system] m=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1412710)
   Call: (195) [system] get_char((0x56051b6b4f40), _1413640)
   Exit: (195) [system] get_char((0x56051b6b4f40), '1')
   Call: (195) [system] char_type('1', end_of_line)
   Call: (195) [system] '1'=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1417354)
   Call: (196) [system] get_char((0x56051b6b4f40), _1418284)
   Exit: (196) [system] get_char((0x56051b6b4f40), '.')
   Call: (196) [system] char_type('.', end_of_line)
   Call: (196) [system] ('.')=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1421998)
   Call: (197) [system] get_char((0x56051b6b4f40), _1422928)
   Exit: (197) [system] get_char((0x56051b6b4f40), '6')
   Call: (197) [system] char_type('6', end_of_line)
   Call: (197) [system] '6'=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1426642)
   Call: (198) [system] get_char((0x56051b6b4f40), _1427572)
   Exit: (198) [system] get_char((0x56051b6b4f40), '3')
   Call: (198) [system] char_type('3', end_of_line)
   Call: (198) [system] '3'=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1431286)
   Call: (199) [system] get_char((0x56051b6b4f40), _1432216)
   Exit: (199) [system] get_char((0x56051b6b4f40), '5')
   Call: (199) [system] char_type('5', end_of_line)
   Call: (199) [system] '5'=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1435930)
   Call: (200) [system] get_char((0x56051b6b4f40), _1436860)
   Exit: (200) [system] get_char((0x56051b6b4f40), s)
   Call: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] s=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1440574)
   Call: (201) [system] get_char((0x56051b6b4f40), _1441504)
   Exit: (201) [system] get_char((0x56051b6b4f40), '\n')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
   Call: (201) [system] _1440574=""
   Exit: (201) [system] ""=""
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (200) [system] string_concat(s, "", _1435930)
   Exit: (200) [system] string_concat(s, "", "s")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "s")
   Call: (199) [system] string_concat('5', "s", _1431286)
   Exit: (199) [system] string_concat('5', "s", "5s")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "5s")
   Call: (198) [system] string_concat('3', "5s", _1426642)
   Exit: (198) [system] string_concat('3', "5s", "35s")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "35s")
   Call: (197) [system] string_concat('6', "35s", _1421998)
   Exit: (197) [system] string_concat('6', "35s", "635s")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "635s")
   Call: (196) [system] string_concat('.', "635s", _1417354)
   Exit: (196) [system] string_concat('.', "635s", ".635s")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), ".635s")
   Call: (195) [system] string_concat('1', ".635s", _1412710)
   Exit: (195) [system] string_concat('1', ".635s", "1.635s")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "1.635s")
   Call: (194) [system] string_concat(m, "1.635s", _1408066)
   Exit: (194) [system] string_concat(m, "1.635s", "m1.635s")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "m1.635s")
   Call: (193) [system] string_concat('1', "m1.635s", _1403422)
   Exit: (193) [system] string_concat('1', "m1.635s", "1m1.635s")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "1m1.635s")
   Call: (192) [system] string_concat(' ', "1m1.635s", _1398778)
   Exit: (192) [system] string_concat(' ', "1m1.635s", " 1m1.635s")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), " 1m1.635s")
   Call: (191) [system] string_concat(' ', " 1m1.635s", _1394134)
   Exit: (191) [system] string_concat(' ', " 1m1.635s", "  1m1.635s")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "  1m1.635s")
   Call: (190) [system] string_concat(' ', "  1m1.635s", _1389490)
   Exit: (190) [system] string_concat(' ', "  1m1.635s", "   1m1.635s")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "   1m1.635s")
   Call: (189) [system] string_concat(' ', "   1m1.635s", _1384846)
   Exit: (189) [system] string_concat(' ', "   1m1.635s", "    1m1.635s")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "    1m1.635s")
   Call: (188) [system] string_concat(r, "    1m1.635s", _1380202)
   Exit: (188) [system] string_concat(r, "    1m1.635s", "r    1m1.635s")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "r    1m1.635s")
   Call: (187) [system] string_concat(e, "r    1m1.635s", _1375558)
   Exit: (187) [system] string_concat(e, "r    1m1.635s", "er    1m1.635s")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), "er    1m1.635s")
   Call: (186) [system] string_concat(s, "er    1m1.635s", _1370914)
   Exit: (186) [system] string_concat(s, "er    1m1.635s", "ser    1m1.635s")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), "ser    1m1.635s")
   Call: (185) [system] string_concat(u, "ser    1m1.635s", _1366270)
   Exit: (185) [system] string_concat(u, "ser    1m1.635s", "user    1m1.635s")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), "user    1m1.635s")
   Call: (184) [system] string_concat(;, "user    1m1.635s", _1361626)
   Exit: (184) [system] string_concat(;, "user    1m1.635s", ";user    1m1.635s")
^  Exit: (183) [user] read_until_eol((0x56051b6b4f40), ";user    1m1.635s")
   Call: (183) [system] string_concat(;, ";user    1m1.635s", _1356982)
   Exit: (183) [system] string_concat(;, ";user    1m1.635s", ";;user    1m1.635s")
^  Exit: (182) [user] read_until_eol((0x56051b6b4f40), ";;user    1m1.635s")
^  Call: (182) [user] assertz(metta_file_comment(3, 0, 105, '$COMMENT'(";;user    1m1.635s", 3, 0), '$stream_position'(105, 3, 0, 105)))
^  Exit: (182) [user] assertz(metta_file_comment(3, 0, 105, '$COMMENT'(";;user    1m1.635s", 3, 0), '$stream_position'(105, 3, 0, 105)))
^  Exit: (181) [user] read_comment((0x56051b6b4f40))
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1502132)
   Exit: (182) [system] peek_char((0x56051b6b4f40), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (183) [user] read_position((0x56051b6b4f40), _1506770, _1506772, _1506774, _1506776)
   Call: (184) [system] stream_property((0x56051b6b4f40), position(_1506776))
   Call: (185) [system] nonvar((0x56051b6b4f40))
   Exit: (185) [system] nonvar((0x56051b6b4f40))
   Call: (185) [system] nonvar(position(_1506776))
   Exit: (185) [system] nonvar(position(_1506776))
   Exit: (184) [system] stream_property((0x56051b6b4f40), position('$stream_position'(124, 4, 0, 124)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(124, 4, 0, 124), _1506770)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1516064)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(124, 4, 0, 124), _1506770)
   Exit: (185) [system] arg(2, '$stream_position'(124, 4, 0, 124), 4)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(124, 4, 0, 124), 4)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(124, 4, 0, 124), _1506772)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1523498)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(124, 4, 0, 124), _1506772)
   Exit: (185) [system] arg(3, '$stream_position'(124, 4, 0, 124), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(124, 4, 0, 124), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(124, 4, 0, 124), _1506774)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1530932)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(124, 4, 0, 124), _1506774)
   Exit: (185) [system] arg(1, '$stream_position'(124, 4, 0, 124), 124)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(124, 4, 0, 124), 124)
^  Exit: (183) [user] read_position((0x56051b6b4f40), 4, 0, 124, '$stream_position'(124, 4, 0, 124))
^  Call: (183) [user] read_until_eol((0x56051b6b4f40), _1536526)
   Call: (184) [system] get_char((0x56051b6b4f40), _1537456)
   Exit: (184) [system] get_char((0x56051b6b4f40), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _1541170)
   Call: (185) [system] get_char((0x56051b6b4f40), _1542100)
   Exit: (185) [system] get_char((0x56051b6b4f40), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1545814)
   Call: (186) [system] get_char((0x56051b6b4f40), _1546744)
   Exit: (186) [system] get_char((0x56051b6b4f40), s)
   Call: (186) [system] char_type(s, end_of_line)
   Call: (186) [system] s=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1550458)
   Call: (187) [system] get_char((0x56051b6b4f40), _1551388)
   Exit: (187) [system] get_char((0x56051b6b4f40), y)
   Call: (187) [system] char_type(y, end_of_line)
   Call: (187) [system] y=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1555102)
   Call: (188) [system] get_char((0x56051b6b4f40), _1556032)
   Exit: (188) [system] get_char((0x56051b6b4f40), s)
   Call: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] s=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1559746)
   Call: (189) [system] get_char((0x56051b6b4f40), _1560676)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
   Call: (189) [system] char_type(' ', end_of_line)
   Call: (189) [system] ' '=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1564390)
   Call: (190) [system] get_char((0x56051b6b4f40), _1565320)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
   Call: (190) [system] char_type(' ', end_of_line)
   Call: (190) [system] ' '=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1569034)
   Call: (191) [system] get_char((0x56051b6b4f40), _1569964)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
   Call: (191) [system] char_type(' ', end_of_line)
   Call: (191) [system] ' '=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1573678)
   Call: (192) [system] get_char((0x56051b6b4f40), _1574608)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
   Call: (192) [system] char_type(' ', end_of_line)
   Call: (192) [system] ' '=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1578322)
   Call: (193) [system] get_char((0x56051b6b4f40), _1579252)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1582966)
   Call: (194) [system] get_char((0x56051b6b4f40), _1583896)
   Exit: (194) [system] get_char((0x56051b6b4f40), '0')
   Call: (194) [system] char_type('0', end_of_line)
   Call: (194) [system] '0'=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1587610)
   Call: (195) [system] get_char((0x56051b6b4f40), _1588540)
   Exit: (195) [system] get_char((0x56051b6b4f40), m)
   Call: (195) [system] char_type(m, end_of_line)
   Call: (195) [system] m=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1592254)
   Call: (196) [system] get_char((0x56051b6b4f40), _1593184)
   Exit: (196) [system] get_char((0x56051b6b4f40), '0')
   Call: (196) [system] char_type('0', end_of_line)
   Call: (196) [system] '0'=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1596898)
   Call: (197) [system] get_char((0x56051b6b4f40), _1597828)
   Exit: (197) [system] get_char((0x56051b6b4f40), '.')
   Call: (197) [system] char_type('.', end_of_line)
   Call: (197) [system] ('.')=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1601542)
   Call: (198) [system] get_char((0x56051b6b4f40), _1602472)
   Exit: (198) [system] get_char((0x56051b6b4f40), '0')
   Call: (198) [system] char_type('0', end_of_line)
   Call: (198) [system] '0'=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1606186)
   Call: (199) [system] get_char((0x56051b6b4f40), _1607116)
   Exit: (199) [system] get_char((0x56051b6b4f40), '3')
   Call: (199) [system] char_type('3', end_of_line)
   Call: (199) [system] '3'=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1610830)
   Call: (200) [system] get_char((0x56051b6b4f40), _1611760)
   Exit: (200) [system] get_char((0x56051b6b4f40), '0')
   Call: (200) [system] char_type('0', end_of_line)
   Call: (200) [system] '0'=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1615474)
   Call: (201) [system] get_char((0x56051b6b4f40), _1616404)
   Exit: (201) [system] get_char((0x56051b6b4f40), s)
   Call: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] s=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1620118)
   Call: (202) [system] get_char((0x56051b6b4f40), _1621048)
   Exit: (202) [system] get_char((0x56051b6b4f40), '\n')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
   Call: (202) [system] _1620118=""
   Exit: (202) [system] ""=""
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (201) [system] string_concat(s, "", _1615474)
   Exit: (201) [system] string_concat(s, "", "s")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "s")
   Call: (200) [system] string_concat('0', "s", _1610830)
   Exit: (200) [system] string_concat('0', "s", "0s")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "0s")
   Call: (199) [system] string_concat('3', "0s", _1606186)
   Exit: (199) [system] string_concat('3', "0s", "30s")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "30s")
   Call: (198) [system] string_concat('0', "30s", _1601542)
   Exit: (198) [system] string_concat('0', "30s", "030s")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "030s")
   Call: (197) [system] string_concat('.', "030s", _1596898)
   Exit: (197) [system] string_concat('.', "030s", ".030s")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), ".030s")
   Call: (196) [system] string_concat('0', ".030s", _1592254)
   Exit: (196) [system] string_concat('0', ".030s", "0.030s")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "0.030s")
   Call: (195) [system] string_concat(m, "0.030s", _1587610)
   Exit: (195) [system] string_concat(m, "0.030s", "m0.030s")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "m0.030s")
   Call: (194) [system] string_concat('0', "m0.030s", _1582966)
   Exit: (194) [system] string_concat('0', "m0.030s", "0m0.030s")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "0m0.030s")
   Call: (193) [system] string_concat(' ', "0m0.030s", _1578322)
   Exit: (193) [system] string_concat(' ', "0m0.030s", " 0m0.030s")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), " 0m0.030s")
   Call: (192) [system] string_concat(' ', " 0m0.030s", _1573678)
   Exit: (192) [system] string_concat(' ', " 0m0.030s", "  0m0.030s")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "  0m0.030s")
   Call: (191) [system] string_concat(' ', "  0m0.030s", _1569034)
   Exit: (191) [system] string_concat(' ', "  0m0.030s", "   0m0.030s")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "   0m0.030s")
   Call: (190) [system] string_concat(' ', "   0m0.030s", _1564390)
   Exit: (190) [system] string_concat(' ', "   0m0.030s", "    0m0.030s")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "    0m0.030s")
   Call: (189) [system] string_concat(' ', "    0m0.030s", _1559746)
   Exit: (189) [system] string_concat(' ', "    0m0.030s", "     0m0.030s")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "     0m0.030s")
   Call: (188) [system] string_concat(s, "     0m0.030s", _1555102)
   Exit: (188) [system] string_concat(s, "     0m0.030s", "s     0m0.030s")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "s     0m0.030s")
   Call: (187) [system] string_concat(y, "s     0m0.030s", _1550458)
   Exit: (187) [system] string_concat(y, "s     0m0.030s", "ys     0m0.030s")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), "ys     0m0.030s")
   Call: (186) [system] string_concat(s, "ys     0m0.030s", _1545814)
   Exit: (186) [system] string_concat(s, "ys     0m0.030s", "sys     0m0.030s")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), "sys     0m0.030s")
   Call: (185) [system] string_concat(;, "sys     0m0.030s", _1541170)
   Exit: (185) [system] string_concat(;, "sys     0m0.030s", ";sys     0m0.030s")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), ";sys     0m0.030s")
   Call: (184) [system] string_concat(;, ";sys     0m0.030s", _1536526)
   Exit: (184) [system] string_concat(;, ";sys     0m0.030s", ";;sys     0m0.030s")
^  Exit: (183) [user] read_until_eol((0x56051b6b4f40), ";;sys     0m0.030s")
^  Call: (183) [user] assertz(metta_file_comment(4, 0, 124, '$COMMENT'(";;sys     0m0.030s", 4, 0), '$stream_position'(124, 4, 0, 124)))
^  Exit: (183) [user] assertz(metta_file_comment(4, 0, 124, '$COMMENT'(";;sys     0m0.030s", 4, 0), '$stream_position'(124, 4, 0, 124)))
^  Exit: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1681676)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (183) [system] '\n'=(;)
^  Call: (183) [user] is_like_space('\n')
   Call: (184) [system] char_type('\n', 'white')
   Call: (184) [system] char_type('\n', end_of_line)
   Exit: (184) [system] char_type('\n', end_of_line)
^  Exit: (183) [user] is_like_space('\n')
   Call: (183) [system] get_char((0x56051b6b4f40), _1689292)
   Exit: (183) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1691996)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ;)
   Call: (184) [system] (;)=(;)
   Exit: (184) [system] (;)=(;)
^  Call: (184) [user] read_comment((0x56051b6b4f40))
^  Call: (185) [user] read_position((0x56051b6b4f40), _1696634, _1696636, _1696638, _1696640)
   Call: (186) [system] stream_property((0x56051b6b4f40), position(_1696640))
   Call: (187) [system] nonvar((0x56051b6b4f40))
   Exit: (187) [system] nonvar((0x56051b6b4f40))
   Call: (187) [system] nonvar(position(_1696640))
   Exit: (187) [system] nonvar(position(_1696640))
   Exit: (186) [system] stream_property((0x56051b6b4f40), position('$stream_position'(144, 6, 0, 144)))
   Call: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(144, 6, 0, 144), _1696634)
   Call: (187) [system] nonvar(line_count)
   Exit: (187) [system] nonvar(line_count)
   Call: (187) [$syspreds] stream_position_field(line_count, _1705928)
   Exit: (187) [$syspreds] stream_position_field(line_count, 2)
   Call: (187) [system] arg(2, '$stream_position'(144, 6, 0, 144), _1696634)
   Exit: (187) [system] arg(2, '$stream_position'(144, 6, 0, 144), 6)
   Exit: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(144, 6, 0, 144), 6)
   Call: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(144, 6, 0, 144), _1696636)
   Call: (187) [system] nonvar(line_position)
   Exit: (187) [system] nonvar(line_position)
   Call: (187) [$syspreds] stream_position_field(line_position, _1713362)
   Exit: (187) [$syspreds] stream_position_field(line_position, 3)
   Call: (187) [system] arg(3, '$stream_position'(144, 6, 0, 144), _1696636)
   Exit: (187) [system] arg(3, '$stream_position'(144, 6, 0, 144), 0)
   Exit: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(144, 6, 0, 144), 0)
   Call: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(144, 6, 0, 144), _1696638)
   Call: (187) [system] nonvar(char_count)
   Exit: (187) [system] nonvar(char_count)
   Call: (187) [$syspreds] stream_position_field(char_count, _1720796)
   Exit: (187) [$syspreds] stream_position_field(char_count, 1)
   Call: (187) [system] arg(1, '$stream_position'(144, 6, 0, 144), _1696638)
   Exit: (187) [system] arg(1, '$stream_position'(144, 6, 0, 144), 144)
   Exit: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(144, 6, 0, 144), 144)
^  Exit: (185) [user] read_position((0x56051b6b4f40), 6, 0, 144, '$stream_position'(144, 6, 0, 144))
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1726390)
   Call: (186) [system] get_char((0x56051b6b4f40), _1727320)
   Exit: (186) [system] get_char((0x56051b6b4f40), ;)
   Call: (186) [system] char_type(;, end_of_line)
   Call: (186) [system] (;)=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1731034)
   Call: (187) [system] get_char((0x56051b6b4f40), _1731964)
   Exit: (187) [system] get_char((0x56051b6b4f40), ;)
   Call: (187) [system] char_type(;, end_of_line)
   Call: (187) [system] (;)=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1735678)
   Call: (188) [system] get_char((0x56051b6b4f40), _1736608)
   Exit: (188) [system] get_char((0x56051b6b4f40), t)
   Call: (188) [system] char_type(t, end_of_line)
   Call: (188) [system] t=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1740322)
   Call: (189) [system] get_char((0x56051b6b4f40), _1741252)
   Exit: (189) [system] get_char((0x56051b6b4f40), i)
   Call: (189) [system] char_type(i, end_of_line)
   Call: (189) [system] i=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1744966)
   Call: (190) [system] get_char((0x56051b6b4f40), _1745896)
   Exit: (190) [system] get_char((0x56051b6b4f40), m)
   Call: (190) [system] char_type(m, end_of_line)
   Call: (190) [system] m=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1749610)
   Call: (191) [system] get_char((0x56051b6b4f40), _1750540)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] char_type(e, end_of_line)
   Call: (191) [system] e=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1754254)
   Call: (192) [system] get_char((0x56051b6b4f40), _1755184)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
   Call: (192) [system] char_type(' ', end_of_line)
   Call: (192) [system] ' '=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1758898)
   Call: (193) [system] get_char((0x56051b6b4f40), _1759828)
   Exit: (193) [system] get_char((0x56051b6b4f40), m)
   Call: (193) [system] char_type(m, end_of_line)
   Call: (193) [system] m=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1763542)
   Call: (194) [system] get_char((0x56051b6b4f40), _1764472)
   Exit: (194) [system] get_char((0x56051b6b4f40), e)
   Call: (194) [system] char_type(e, end_of_line)
   Call: (194) [system] e=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1768186)
   Call: (195) [system] get_char((0x56051b6b4f40), _1769116)
   Exit: (195) [system] get_char((0x56051b6b4f40), t)
   Call: (195) [system] char_type(t, end_of_line)
   Call: (195) [system] t=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1772830)
   Call: (196) [system] get_char((0x56051b6b4f40), _1773760)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] char_type(t, end_of_line)
   Call: (196) [system] t=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1777474)
   Call: (197) [system] get_char((0x56051b6b4f40), _1778404)
   Exit: (197) [system] get_char((0x56051b6b4f40), a)
   Call: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] a=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1782118)
   Call: (198) [system] get_char((0x56051b6b4f40), _1783048)
   Exit: (198) [system] get_char((0x56051b6b4f40), l)
   Call: (198) [system] char_type(l, end_of_line)
   Call: (198) [system] l=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1786762)
   Call: (199) [system] get_char((0x56051b6b4f40), _1787692)
   Exit: (199) [system] get_char((0x56051b6b4f40), o)
   Call: (199) [system] char_type(o, end_of_line)
   Call: (199) [system] o=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1791406)
   Call: (200) [system] get_char((0x56051b6b4f40), _1792336)
   Exit: (200) [system] get_char((0x56051b6b4f40), g)
   Call: (200) [system] char_type(g, end_of_line)
   Call: (200) [system] g=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1796050)
   Call: (201) [system] get_char((0x56051b6b4f40), _1796980)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1800694)
   Call: (202) [system] get_char((0x56051b6b4f40), _1801624)
   Exit: (202) [system] get_char((0x56051b6b4f40), t)
   Call: (202) [system] char_type(t, end_of_line)
   Call: (202) [system] t=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _1805338)
   Call: (203) [system] get_char((0x56051b6b4f40), _1806268)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] char_type(e, end_of_line)
   Call: (203) [system] e=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1809982)
   Call: (204) [system] get_char((0x56051b6b4f40), _1810912)
   Exit: (204) [system] get_char((0x56051b6b4f40), s)
   Call: (204) [system] char_type(s, end_of_line)
   Call: (204) [system] s=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1814626)
   Call: (205) [system] get_char((0x56051b6b4f40), _1815556)
   Exit: (205) [system] get_char((0x56051b6b4f40), t)
   Call: (205) [system] char_type(t, end_of_line)
   Call: (205) [system] t=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1819270)
   Call: (206) [system] get_char((0x56051b6b4f40), _1820200)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] char_type(s, end_of_line)
   Call: (206) [system] s=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1823914)
   Call: (207) [system] get_char((0x56051b6b4f40), _1824844)
   Exit: (207) [system] get_char((0x56051b6b4f40), /)
   Call: (207) [system] char_type(/, end_of_line)
   Call: (207) [system] (/)=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _1828558)
   Call: (208) [system] get_char((0x56051b6b4f40), _1829488)
   Exit: (208) [system] get_char((0x56051b6b4f40), b)
   Call: (208) [system] char_type(b, end_of_line)
   Call: (208) [system] b=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _1833202)
   Call: (209) [system] get_char((0x56051b6b4f40), _1834132)
   Exit: (209) [system] get_char((0x56051b6b4f40), a)
   Call: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _1837846)
   Call: (210) [system] get_char((0x56051b6b4f40), _1838776)
   Exit: (210) [system] get_char((0x56051b6b4f40), s)
   Call: (210) [system] char_type(s, end_of_line)
   Call: (210) [system] s=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1842490)
   Call: (211) [system] get_char((0x56051b6b4f40), _1843420)
   Exit: (211) [system] get_char((0x56051b6b4f40), e)
   Call: (211) [system] char_type(e, end_of_line)
   Call: (211) [system] e=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1847134)
   Call: (212) [system] get_char((0x56051b6b4f40), _1848064)
   Exit: (212) [system] get_char((0x56051b6b4f40), l)
   Call: (212) [system] char_type(l, end_of_line)
   Call: (212) [system] l=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1851778)
   Call: (213) [system] get_char((0x56051b6b4f40), _1852708)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] char_type(i, end_of_line)
   Call: (213) [system] i=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1856422)
   Call: (214) [system] get_char((0x56051b6b4f40), _1857352)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] char_type(n, end_of_line)
   Call: (214) [system] n=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1861066)
   Call: (215) [system] get_char((0x56051b6b4f40), _1861996)
   Exit: (215) [system] get_char((0x56051b6b4f40), e)
   Call: (215) [system] char_type(e, end_of_line)
   Call: (215) [system] e=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1865710)
   Call: (216) [system] get_char((0x56051b6b4f40), _1866640)
   Exit: (216) [system] get_char((0x56051b6b4f40), '_')
   Call: (216) [system] char_type('_', end_of_line)
   Call: (216) [system] '_'=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1870354)
   Call: (217) [system] get_char((0x56051b6b4f40), _1871284)
   Exit: (217) [system] get_char((0x56051b6b4f40), c)
   Call: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] c=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1874998)
   Call: (218) [system] get_char((0x56051b6b4f40), _1875928)
   Exit: (218) [system] get_char((0x56051b6b4f40), o)
   Call: (218) [system] char_type(o, end_of_line)
   Call: (218) [system] o=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1879642)
   Call: (219) [system] get_char((0x56051b6b4f40), _1880572)
   Exit: (219) [system] get_char((0x56051b6b4f40), m)
   Call: (219) [system] char_type(m, end_of_line)
   Call: (219) [system] m=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1884286)
   Call: (220) [system] get_char((0x56051b6b4f40), _1885216)
   Exit: (220) [system] get_char((0x56051b6b4f40), p)
   Call: (220) [system] char_type(p, end_of_line)
   Call: (220) [system] p=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1888930)
   Call: (221) [system] get_char((0x56051b6b4f40), _1889860)
   Exit: (221) [system] get_char((0x56051b6b4f40), a)
   Call: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] a=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1893574)
   Call: (222) [system] get_char((0x56051b6b4f40), _1894504)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] char_type(t, end_of_line)
   Call: (222) [system] t=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1898218)
   Call: (223) [system] get_char((0x56051b6b4f40), _1899148)
   Exit: (223) [system] get_char((0x56051b6b4f40), /)
   Call: (223) [system] char_type(/, end_of_line)
   Call: (223) [system] (/)=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1902862)
   Call: (224) [system] get_char((0x56051b6b4f40), _1903792)
   Exit: (224) [system] get_char((0x56051b6b4f40), h)
   Call: (224) [system] char_type(h, end_of_line)
   Call: (224) [system] h=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1907506)
   Call: (225) [system] get_char((0x56051b6b4f40), _1908436)
   Exit: (225) [system] get_char((0x56051b6b4f40), y)
   Call: (225) [system] char_type(y, end_of_line)
   Call: (225) [system] y=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1912150)
   Call: (226) [system] get_char((0x56051b6b4f40), _1913080)
   Exit: (226) [system] get_char((0x56051b6b4f40), p)
   Call: (226) [system] char_type(p, end_of_line)
   Call: (226) [system] p=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1916794)
   Call: (227) [system] get_char((0x56051b6b4f40), _1917724)
   Exit: (227) [system] get_char((0x56051b6b4f40), e)
   Call: (227) [system] char_type(e, end_of_line)
   Call: (227) [system] e=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1921438)
   Call: (228) [system] get_char((0x56051b6b4f40), _1922368)
   Exit: (228) [system] get_char((0x56051b6b4f40), r)
   Call: (228) [system] char_type(r, end_of_line)
   Call: (228) [system] r=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1926082)
   Call: (229) [system] get_char((0x56051b6b4f40), _1927012)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] char_type(o, end_of_line)
   Call: (229) [system] o=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1930726)
   Call: (230) [system] get_char((0x56051b6b4f40), _1931656)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] char_type(n, end_of_line)
   Call: (230) [system] n=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1935370)
   Call: (231) [system] get_char((0x56051b6b4f40), _1936300)
   Exit: (231) [system] get_char((0x56051b6b4f40), -)
   Call: (231) [system] char_type(-, end_of_line)
   Call: (231) [system] (-)=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1940014)
   Call: (232) [system] get_char((0x56051b6b4f40), _1940944)
   Exit: (232) [system] get_char((0x56051b6b4f40), m)
   Call: (232) [system] char_type(m, end_of_line)
   Call: (232) [system] m=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1944658)
   Call: (233) [system] get_char((0x56051b6b4f40), _1945588)
   Exit: (233) [system] get_char((0x56051b6b4f40), e)
   Call: (233) [system] char_type(e, end_of_line)
   Call: (233) [system] e=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1949302)
   Call: (234) [system] get_char((0x56051b6b4f40), _1950232)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] char_type(t, end_of_line)
   Call: (234) [system] t=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1953946)
   Call: (235) [system] get_char((0x56051b6b4f40), _1954876)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] char_type(t, end_of_line)
   Call: (235) [system] t=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1958590)
   Call: (236) [system] get_char((0x56051b6b4f40), _1959520)
   Exit: (236) [system] get_char((0x56051b6b4f40), a)
   Call: (236) [system] char_type(a, end_of_line)
   Call: (236) [system] a=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1963234)
   Call: (237) [system] get_char((0x56051b6b4f40), _1964164)
   Exit: (237) [system] get_char((0x56051b6b4f40), l)
   Call: (237) [system] char_type(l, end_of_line)
   Call: (237) [system] l=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1967878)
   Call: (238) [system] get_char((0x56051b6b4f40), _1968808)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] char_type(o, end_of_line)
   Call: (238) [system] o=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1972522)
   Call: (239) [system] get_char((0x56051b6b4f40), _1973452)
   Exit: (239) [system] get_char((0x56051b6b4f40), g)
   Call: (239) [system] char_type(g, end_of_line)
   Call: (239) [system] g=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _1977166)
   Call: (240) [system] get_char((0x56051b6b4f40), _1978096)
   Exit: (240) [system] get_char((0x56051b6b4f40), '_')
   Call: (240) [system] char_type('_', end_of_line)
   Call: (240) [system] '_'=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _1981810)
   Call: (241) [system] get_char((0x56051b6b4f40), _1982740)
   Exit: (241) [system] get_char((0x56051b6b4f40), s)
   Call: (241) [system] char_type(s, end_of_line)
   Call: (241) [system] s=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _1986454)
   Call: (242) [system] get_char((0x56051b6b4f40), _1987384)
   Exit: (242) [system] get_char((0x56051b6b4f40), a)
   Call: (242) [system] char_type(a, end_of_line)
   Call: (242) [system] a=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _1991098)
   Call: (243) [system] get_char((0x56051b6b4f40), _1992028)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] char_type(n, end_of_line)
   Call: (243) [system] n=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _1995742)
   Call: (244) [system] get_char((0x56051b6b4f40), _1996672)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] char_type(i, end_of_line)
   Call: (244) [system] i=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _2000386)
   Call: (245) [system] get_char((0x56051b6b4f40), _2001316)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] char_type(t, end_of_line)
   Call: (245) [system] t=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _2005030)
   Call: (246) [system] get_char((0x56051b6b4f40), _2005960)
   Exit: (246) [system] get_char((0x56051b6b4f40), y)
   Call: (246) [system] char_type(y, end_of_line)
   Call: (246) [system] y=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _2009674)
   Call: (247) [system] get_char((0x56051b6b4f40), _2010604)
   Exit: (247) [system] get_char((0x56051b6b4f40), /)
   Call: (247) [system] char_type(/, end_of_line)
   Call: (247) [system] (/)=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _2014318)
   Call: (248) [system] get_char((0x56051b6b4f40), _2015248)
   Exit: (248) [system] get_char((0x56051b6b4f40), t)
   Call: (248) [system] char_type(t, end_of_line)
   Call: (248) [system] t=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _2018962)
   Call: (249) [system] get_char((0x56051b6b4f40), _2019892)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] char_type(i, end_of_line)
   Call: (249) [system] i=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _2023606)
   Call: (250) [system] get_char((0x56051b6b4f40), _2024536)
   Exit: (250) [system] get_char((0x56051b6b4f40), m)
   Call: (250) [system] char_type(m, end_of_line)
   Call: (250) [system] m=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _2028250)
   Call: (251) [system] get_char((0x56051b6b4f40), _2029180)
   Exit: (251) [system] get_char((0x56051b6b4f40), e)
   Call: (251) [system] char_type(e, end_of_line)
   Call: (251) [system] e=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _2032894)
   Call: (252) [system] get_char((0x56051b6b4f40), _2033824)
   Exit: (252) [system] get_char((0x56051b6b4f40), '_')
   Call: (252) [system] char_type('_', end_of_line)
   Call: (252) [system] '_'=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _2037538)
   Call: (253) [system] get_char((0x56051b6b4f40), _2038468)
   Exit: (253) [system] get_char((0x56051b6b4f40), s)
   Call: (253) [system] char_type(s, end_of_line)
   Call: (253) [system] s=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _2042182)
   Call: (254) [system] get_char((0x56051b6b4f40), _2043112)
   Exit: (254) [system] get_char((0x56051b6b4f40), y)
   Call: (254) [system] char_type(y, end_of_line)
   Call: (254) [system] y=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _2046826)
   Call: (255) [system] get_char((0x56051b6b4f40), _2047756)
   Exit: (255) [system] get_char((0x56051b6b4f40), n)
   Call: (255) [system] char_type(n, end_of_line)
   Call: (255) [system] n=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _2051470)
   Call: (256) [system] get_char((0x56051b6b4f40), _2052400)
   Exit: (256) [system] get_char((0x56051b6b4f40), t)
   Call: (256) [system] char_type(t, end_of_line)
   Call: (256) [system] t=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _2056114)
   Call: (257) [system] get_char((0x56051b6b4f40), _2057044)
   Exit: (257) [system] get_char((0x56051b6b4f40), h)
   Call: (257) [system] char_type(h, end_of_line)
   Call: (257) [system] h=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _2060758)
   Call: (258) [system] get_char((0x56051b6b4f40), _2061688)
   Exit: (258) [system] get_char((0x56051b6b4f40), e)
   Call: (258) [system] char_type(e, end_of_line)
   Call: (258) [system] e=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _2065402)
   Call: (259) [system] get_char((0x56051b6b4f40), _2066332)
   Exit: (259) [system] get_char((0x56051b6b4f40), s)
   Call: (259) [system] char_type(s, end_of_line)
   Call: (259) [system] s=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _2070046)
   Call: (260) [system] get_char((0x56051b6b4f40), _2070976)
   Exit: (260) [system] get_char((0x56051b6b4f40), i)
   Call: (260) [system] char_type(i, end_of_line)
   Call: (260) [system] i=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _2074690)
   Call: (261) [system] get_char((0x56051b6b4f40), _2075620)
   Exit: (261) [system] get_char((0x56051b6b4f40), z)
   Call: (261) [system] char_type(z, end_of_line)
   Call: (261) [system] z=end_of_file
^  Call: (261) [user] read_until_eol((0x56051b6b4f40), _2079334)
   Call: (262) [system] get_char((0x56051b6b4f40), _2080264)
   Exit: (262) [system] get_char((0x56051b6b4f40), e)
   Call: (262) [system] char_type(e, end_of_line)
   Call: (262) [system] e=end_of_file
^  Call: (262) [user] read_until_eol((0x56051b6b4f40), _2083978)
   Call: (263) [system] get_char((0x56051b6b4f40), _2084908)
   Exit: (263) [system] get_char((0x56051b6b4f40), '_')
   Call: (263) [system] char_type('_', end_of_line)
   Call: (263) [system] '_'=end_of_file
^  Call: (263) [user] read_until_eol((0x56051b6b4f40), _2088622)
   Call: (264) [system] get_char((0x56051b6b4f40), _2089552)
   Exit: (264) [system] get_char((0x56051b6b4f40), l)
   Call: (264) [system] char_type(l, end_of_line)
   Call: (264) [system] l=end_of_file
^  Call: (264) [user] read_until_eol((0x56051b6b4f40), _2093266)
   Call: (265) [system] get_char((0x56051b6b4f40), _2094196)
   Exit: (265) [system] get_char((0x56051b6b4f40), o)
   Call: (265) [system] char_type(o, end_of_line)
   Call: (265) [system] o=end_of_file
^  Call: (265) [user] read_until_eol((0x56051b6b4f40), _4594)
   Call: (266) [system] get_char((0x56051b6b4f40), _5524)
   Exit: (266) [system] get_char((0x56051b6b4f40), n)
   Call: (266) [system] char_type(n, end_of_line)
   Call: (266) [system] n=end_of_file
^  Call: (266) [user] read_until_eol((0x56051b6b4f40), _9238)
   Call: (267) [system] get_char((0x56051b6b4f40), _10168)
   Exit: (267) [system] get_char((0x56051b6b4f40), g)
   Call: (267) [system] char_type(g, end_of_line)
   Call: (267) [system] g=end_of_file
^  Call: (267) [user] read_until_eol((0x56051b6b4f40), _13882)
   Call: (268) [system] get_char((0x56051b6b4f40), _14812)
   Exit: (268) [system] get_char((0x56051b6b4f40), '.')
   Call: (268) [system] char_type('.', end_of_line)
   Call: (268) [system] ('.')=end_of_file
^  Call: (268) [user] read_until_eol((0x56051b6b4f40), _18526)
   Call: (269) [system] get_char((0x56051b6b4f40), _19456)
   Exit: (269) [system] get_char((0x56051b6b4f40), m)
   Call: (269) [system] char_type(m, end_of_line)
   Call: (269) [system] m=end_of_file
^  Call: (269) [user] read_until_eol((0x56051b6b4f40), _23170)
   Call: (270) [system] get_char((0x56051b6b4f40), _24100)
   Exit: (270) [system] get_char((0x56051b6b4f40), e)
   Call: (270) [system] char_type(e, end_of_line)
   Call: (270) [system] e=end_of_file
^  Call: (270) [user] read_until_eol((0x56051b6b4f40), _27814)
   Call: (271) [system] get_char((0x56051b6b4f40), _28744)
   Exit: (271) [system] get_char((0x56051b6b4f40), t)
   Call: (271) [system] char_type(t, end_of_line)
   Call: (271) [system] t=end_of_file
^  Call: (271) [user] read_until_eol((0x56051b6b4f40), _32458)
   Call: (272) [system] get_char((0x56051b6b4f40), _33388)
   Exit: (272) [system] get_char((0x56051b6b4f40), t)
   Call: (272) [system] char_type(t, end_of_line)
   Call: (272) [system] t=end_of_file
^  Call: (272) [user] read_until_eol((0x56051b6b4f40), _37102)
   Call: (273) [system] get_char((0x56051b6b4f40), _38032)
   Exit: (273) [system] get_char((0x56051b6b4f40), a)
   Call: (273) [system] char_type(a, end_of_line)
   Call: (273) [system] a=end_of_file
^  Call: (273) [user] read_until_eol((0x56051b6b4f40), _41746)
   Call: (274) [system] get_char((0x56051b6b4f40), _42676)
   Exit: (274) [system] get_char((0x56051b6b4f40), '\n')
   Call: (274) [system] char_type('\n', end_of_line)
   Exit: (274) [system] char_type('\n', end_of_line)
   Call: (274) [system] _41746=""
   Exit: (274) [system] ""=""
^  Exit: (273) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (273) [system] string_concat(a, "", _37102)
   Exit: (273) [system] string_concat(a, "", "a")
^  Exit: (272) [user] read_until_eol((0x56051b6b4f40), "a")
   Call: (272) [system] string_concat(t, "a", _32458)
   Exit: (272) [system] string_concat(t, "a", "ta")
^  Exit: (271) [user] read_until_eol((0x56051b6b4f40), "ta")
   Call: (271) [system] string_concat(t, "ta", _27814)
   Exit: (271) [system] string_concat(t, "ta", "tta")
^  Exit: (270) [user] read_until_eol((0x56051b6b4f40), "tta")
   Call: (270) [system] string_concat(e, "tta", _23170)
   Exit: (270) [system] string_concat(e, "tta", "etta")
^  Exit: (269) [user] read_until_eol((0x56051b6b4f40), "etta")
   Call: (269) [system] string_concat(m, "etta", _18526)
   Exit: (269) [system] string_concat(m, "etta", "metta")
^  Exit: (268) [user] read_until_eol((0x56051b6b4f40), "metta")
   Call: (268) [system] string_concat('.', "metta", _13882)
   Exit: (268) [system] string_concat('.', "metta", ".metta")
^  Exit: (267) [user] read_until_eol((0x56051b6b4f40), ".metta")
   Call: (267) [system] string_concat(g, ".metta", _9238)
   Exit: (267) [system] string_concat(g, ".metta", "g.metta")
^  Exit: (266) [user] read_until_eol((0x56051b6b4f40), "g.metta")
   Call: (266) [system] string_concat(n, "g.metta", _4594)
   Exit: (266) [system] string_concat(n, "g.metta", "ng.metta")
^  Exit: (265) [user] read_until_eol((0x56051b6b4f40), "ng.metta")
   Call: (265) [system] string_concat(o, "ng.metta", _3694)
   Exit: (265) [system] string_concat(o, "ng.metta", "ong.metta")
^  Exit: (264) [user] read_until_eol((0x56051b6b4f40), "ong.metta")
   Call: (264) [system] string_concat(l, "ong.metta", _3690)
   Exit: (264) [system] string_concat(l, "ong.metta", "long.metta")
^  Exit: (263) [user] read_until_eol((0x56051b6b4f40), "long.metta")
   Call: (263) [system] string_concat('_', "long.metta", _3686)
   Exit: (263) [system] string_concat('_', "long.metta", "_long.metta")
^  Exit: (262) [user] read_until_eol((0x56051b6b4f40), "_long.metta")
   Call: (262) [system] string_concat(e, "_long.metta", _3682)
   Exit: (262) [system] string_concat(e, "_long.metta", "e_long.metta")
^  Exit: (261) [user] read_until_eol((0x56051b6b4f40), "e_long.metta")
   Call: (261) [system] string_concat(z, "e_long.metta", _3678)
   Exit: (261) [system] string_concat(z, "e_long.metta", "ze_long.metta")
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), "ze_long.metta")
   Call: (260) [system] string_concat(i, "ze_long.metta", _3674)
   Exit: (260) [system] string_concat(i, "ze_long.metta", "ize_long.metta")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), "ize_long.metta")
   Call: (259) [system] string_concat(s, "ize_long.metta", _3670)
   Exit: (259) [system] string_concat(s, "ize_long.metta", "size_long.metta")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), "size_long.metta")
   Call: (258) [system] string_concat(e, "size_long.metta", _3666)
   Exit: (258) [system] string_concat(e, "size_long.metta", "esize_long.metta")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "esize_long.metta")
   Call: (257) [system] string_concat(h, "esize_long.metta", _3662)
   Exit: (257) [system] string_concat(h, "esize_long.metta", "hesize_long.metta")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "hesize_long.metta")
   Call: (256) [system] string_concat(t, "hesize_long.metta", _3658)
   Exit: (256) [system] string_concat(t, "hesize_long.metta", "thesize_long.metta")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "thesize_long.metta")
   Call: (255) [system] string_concat(n, "thesize_long.metta", _3654)
   Exit: (255) [system] string_concat(n, "thesize_long.metta", "nthesize_long.metta")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "nthesize_long.metta")
   Call: (254) [system] string_concat(y, "nthesize_long.metta", _3650)
   Exit: (254) [system] string_concat(y, "nthesize_long.metta", "ynthesize_long.metta")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "ynthesize_long.metta")
   Call: (253) [system] string_concat(s, "ynthesize_long.metta", _3646)
   Exit: (253) [system] string_concat(s, "ynthesize_long.metta", "synthesize_long.metta")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), "synthesize_long.metta")
   Call: (252) [system] string_concat('_', "synthesize_long.metta", _3642)
   Exit: (252) [system] string_concat('_', "synthesize_long.metta", "_synthesize_long.metta")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), "_synthesize_long.metta")
   Call: (251) [system] string_concat(e, "_synthesize_long.metta", _3638)
   Exit: (251) [system] string_concat(e, "_synthesize_long.metta", "e_synthesize_long.metta")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "e_synthesize_long.metta")
   Call: (250) [system] string_concat(m, "e_synthesize_long.metta", _3634)
   Exit: (250) [system] string_concat(m, "e_synthesize_long.metta", "me_synthesize_long.metta")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "me_synthesize_long.metta")
   Call: (249) [system] string_concat(i, "me_synthesize_long.metta", _3630)
   Exit: (249) [system] string_concat(i, "me_synthesize_long.metta", "ime_synthesize_long.metta")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "ime_synthesize_long.metta")
   Call: (248) [system] string_concat(t, "ime_synthesize_long.metta", _3626)
   Exit: (248) [system] string_concat(t, "ime_synthesize_long.metta", "time_synthesize_long.metta")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "time_synthesize_long.metta")
   Call: (247) [system] string_concat(/, "time_synthesize_long.metta", _3622)
   Exit: (247) [system] string_concat(/, "time_synthesize_long.metta", "/time_synthesize_long.metta")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "/time_synthesize_long.metta")
   Call: (246) [system] string_concat(y, "/time_synthesize_long.metta", _3618)
   Exit: (246) [system] string_concat(y, "/time_synthesize_long.metta", "y/time_synthesize_long.metta")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "y/time_synthesize_long.metta")
   Call: (245) [system] string_concat(t, "y/time_synthesize_long.metta", _3614)
   Exit: (245) [system] string_concat(t, "y/time_synthesize_long.metta", "ty/time_synthesize_long.metta")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "ty/time_synthesize_long.metta")
   Call: (244) [system] string_concat(i, "ty/time_synthesize_long.metta", _3610)
   Exit: (244) [system] string_concat(i, "ty/time_synthesize_long.metta", "ity/time_synthesize_long.metta")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "ity/time_synthesize_long.metta")
   Call: (243) [system] string_concat(n, "ity/time_synthesize_long.metta", _3606)
   Exit: (243) [system] string_concat(n, "ity/time_synthesize_long.metta", "nity/time_synthesize_long.metta")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "nity/time_synthesize_long.metta")
   Call: (242) [system] string_concat(a, "nity/time_synthesize_long.metta", _3602)
   Exit: (242) [system] string_concat(a, "nity/time_synthesize_long.metta", "anity/time_synthesize_long.metta")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "anity/time_synthesize_long.metta")
   Call: (241) [system] string_concat(s, "anity/time_synthesize_long.metta", _3598)
   Exit: (241) [system] string_concat(s, "anity/time_synthesize_long.metta", "sanity/time_synthesize_long.metta")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "sanity/time_synthesize_long.metta")
   Call: (240) [system] string_concat('_', "sanity/time_synthesize_long.metta", _3594)
   Exit: (240) [system] string_concat('_', "sanity/time_synthesize_long.metta", "_sanity/time_synthesize_long.metta")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "_sanity/time_synthesize_long.metta")
   Call: (239) [system] string_concat(g, "_sanity/time_synthesize_long.metta", _3590)
   Exit: (239) [system] string_concat(g, "_sanity/time_synthesize_long.metta", "g_sanity/time_synthesize_long.metta")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "g_sanity/time_synthesize_long.metta")
   Call: (238) [system] string_concat(o, "g_sanity/time_synthesize_long.metta", _3586)
   Exit: (238) [system] string_concat(o, "g_sanity/time_synthesize_long.metta", "og_sanity/time_synthesize_long.metta")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "og_sanity/time_synthesize_long.metta")
   Call: (237) [system] string_concat(l, "og_sanity/time_synthesize_long.metta", _3582)
   Exit: (237) [system] string_concat(l, "og_sanity/time_synthesize_long.metta", "log_sanity/time_synthesize_long.metta")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "log_sanity/time_synthesize_long.metta")
   Call: (236) [system] string_concat(a, "log_sanity/time_synthesize_long.metta", _3578)
   Exit: (236) [system] string_concat(a, "log_sanity/time_synthesize_long.metta", "alog_sanity/time_synthesize_long.metta")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "alog_sanity/time_synthesize_long.metta")
   Call: (235) [system] string_concat(t, "alog_sanity/time_synthesize_long.metta", _3574)
   Exit: (235) [system] string_concat(t, "alog_sanity/time_synthesize_long.metta", "talog_sanity/time_synthesize_long.metta")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "talog_sanity/time_synthesize_long.metta")
   Call: (234) [system] string_concat(t, "talog_sanity/time_synthesize_long.metta", _3570)
   Exit: (234) [system] string_concat(t, "talog_sanity/time_synthesize_long.metta", "ttalog_sanity/time_synthesize_long.metta")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "ttalog_sanity/time_synthesize_long.metta")
   Call: (233) [system] string_concat(e, "ttalog_sanity/time_synthesize_long.metta", _3566)
   Exit: (233) [system] string_concat(e, "ttalog_sanity/time_synthesize_long.metta", "ettalog_sanity/time_synthesize_long.metta")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "ettalog_sanity/time_synthesize_long.metta")
   Call: (232) [system] string_concat(m, "ettalog_sanity/time_synthesize_long.metta", _3562)
   Exit: (232) [system] string_concat(m, "ettalog_sanity/time_synthesize_long.metta", "mettalog_sanity/time_synthesize_long.metta")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "mettalog_sanity/time_synthesize_long.metta")
   Call: (231) [system] string_concat(-, "mettalog_sanity/time_synthesize_long.metta", _3558)
   Exit: (231) [system] string_concat(-, "mettalog_sanity/time_synthesize_long.metta", "-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "-mettalog_sanity/time_synthesize_long.metta")
   Call: (230) [system] string_concat(n, "-mettalog_sanity/time_synthesize_long.metta", _3554)
   Exit: (230) [system] string_concat(n, "-mettalog_sanity/time_synthesize_long.metta", "n-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "n-mettalog_sanity/time_synthesize_long.metta")
   Call: (229) [system] string_concat(o, "n-mettalog_sanity/time_synthesize_long.metta", _3550)
   Exit: (229) [system] string_concat(o, "n-mettalog_sanity/time_synthesize_long.metta", "on-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "on-mettalog_sanity/time_synthesize_long.metta")
   Call: (228) [system] string_concat(r, "on-mettalog_sanity/time_synthesize_long.metta", _3546)
   Exit: (228) [system] string_concat(r, "on-mettalog_sanity/time_synthesize_long.metta", "ron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "ron-mettalog_sanity/time_synthesize_long.metta")
   Call: (227) [system] string_concat(e, "ron-mettalog_sanity/time_synthesize_long.metta", _3542)
   Exit: (227) [system] string_concat(e, "ron-mettalog_sanity/time_synthesize_long.metta", "eron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "eron-mettalog_sanity/time_synthesize_long.metta")
   Call: (226) [system] string_concat(p, "eron-mettalog_sanity/time_synthesize_long.metta", _3538)
   Exit: (226) [system] string_concat(p, "eron-mettalog_sanity/time_synthesize_long.metta", "peron-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "peron-mettalog_sanity/time_synthesize_long.metta")
   Call: (225) [system] string_concat(y, "peron-mettalog_sanity/time_synthesize_long.metta", _3534)
   Exit: (225) [system] string_concat(y, "peron-mettalog_sanity/time_synthesize_long.metta", "yperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "yperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (224) [system] string_concat(h, "yperon-mettalog_sanity/time_synthesize_long.metta", _3530)
   Exit: (224) [system] string_concat(h, "yperon-mettalog_sanity/time_synthesize_long.metta", "hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (223) [system] string_concat(/, "hyperon-mettalog_sanity/time_synthesize_long.metta", _3526)
   Exit: (223) [system] string_concat(/, "hyperon-mettalog_sanity/time_synthesize_long.metta", "/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (222) [system] string_concat(t, "/hyperon-mettalog_sanity/time_synthesize_long.metta", _3522)
   Exit: (222) [system] string_concat(t, "/hyperon-mettalog_sanity/time_synthesize_long.metta", "t/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "t/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (221) [system] string_concat(a, "t/hyperon-mettalog_sanity/time_synthesize_long.metta", _3518)
   Exit: (221) [system] string_concat(a, "t/hyperon-mettalog_sanity/time_synthesize_long.metta", "at/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "at/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (220) [system] string_concat(p, "at/hyperon-mettalog_sanity/time_synthesize_long.metta", _3514)
   Exit: (220) [system] string_concat(p, "at/hyperon-mettalog_sanity/time_synthesize_long.metta", "pat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "pat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (219) [system] string_concat(m, "pat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3510)
   Exit: (219) [system] string_concat(m, "pat/hyperon-mettalog_sanity/time_synthesize_long.metta", "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (218) [system] string_concat(o, "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3506)
   Exit: (218) [system] string_concat(o, "mpat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (217) [system] string_concat(c, "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3502)
   Exit: (217) [system] string_concat(c, "ompat/hyperon-mettalog_sanity/time_synthesize_long.metta", "compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (216) [system] string_concat('_', "compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3498)
   Exit: (216) [system] string_concat('_', "compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (215) [system] string_concat(e, "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3494)
   Exit: (215) [system] string_concat(e, "_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (214) [system] string_concat(n, "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3490)
   Exit: (214) [system] string_concat(n, "e_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (213) [system] string_concat(i, "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3486)
   Exit: (213) [system] string_concat(i, "ne_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (212) [system] string_concat(l, "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3482)
   Exit: (212) [system] string_concat(l, "ine_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (211) [system] string_concat(e, "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3478)
   Exit: (211) [system] string_concat(e, "line_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (210) [system] string_concat(s, "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3474)
   Exit: (210) [system] string_concat(s, "eline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (209) [system] string_concat(a, "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3470)
   Exit: (209) [system] string_concat(a, "seline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (208) [system] string_concat(b, "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3466)
   Exit: (208) [system] string_concat(b, "aseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (207) [system] string_concat(/, "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3462)
   Exit: (207) [system] string_concat(/, "baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (206) [system] string_concat(s, "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3458)
   Exit: (206) [system] string_concat(s, "/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (205) [system] string_concat(t, "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3454)
   Exit: (205) [system] string_concat(t, "s/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (204) [system] string_concat(s, "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3450)
   Exit: (204) [system] string_concat(s, "ts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (203) [system] string_concat(e, "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3446)
   Exit: (203) [system] string_concat(e, "sts/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (202) [system] string_concat(t, "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3442)
   Exit: (202) [system] string_concat(t, "ests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (201) [system] string_concat(' ', "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3438)
   Exit: (201) [system] string_concat(' ', "tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (200) [system] string_concat(g, " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3434)
   Exit: (200) [system] string_concat(g, " tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "g tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "g tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (199) [system] string_concat(o, "g tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3430)
   Exit: (199) [system] string_concat(o, "g tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "og tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "og tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (198) [system] string_concat(l, "og tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3426)
   Exit: (198) [system] string_concat(l, "og tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "log tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "log tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (197) [system] string_concat(a, "log tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3422)
   Exit: (197) [system] string_concat(a, "log tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "alog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "alog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (196) [system] string_concat(t, "alog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3418)
   Exit: (196) [system] string_concat(t, "alog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "talog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "talog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (195) [system] string_concat(t, "talog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3414)
   Exit: (195) [system] string_concat(t, "talog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ttalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "ttalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (194) [system] string_concat(e, "ttalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3410)
   Exit: (194) [system] string_concat(e, "ttalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "ettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (193) [system] string_concat(m, "ettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3406)
   Exit: (193) [system] string_concat(m, "ettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (192) [system] string_concat(' ', "mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3402)
   Exit: (192) [system] string_concat(' ', "mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", " mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), " mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (191) [system] string_concat(e, " mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3398)
   Exit: (191) [system] string_concat(e, " mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "e mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "e mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (190) [system] string_concat(m, "e mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3394)
   Exit: (190) [system] string_concat(m, "e mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "me mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "me mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (189) [system] string_concat(i, "me mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3390)
   Exit: (189) [system] string_concat(i, "me mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "ime mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "ime mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (188) [system] string_concat(t, "ime mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3386)
   Exit: (188) [system] string_concat(t, "ime mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", "time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (187) [system] string_concat(;, "time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3382)
   Exit: (187) [system] string_concat(;, "time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", ";time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), ";time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
   Call: (186) [system] string_concat(;, ";time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", _3378)
   Exit: (186) [system] string_concat(;, ";time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", ";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), ";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta")
^  Call: (185) [user] assertz(metta_file_comment(6, 0, 144, '$COMMENT'(";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 6, 0), '$stream_position'(144, 6, 0, 144)))
^  Exit: (185) [user] assertz(metta_file_comment(6, 0, 144, '$COMMENT'(";;time mettalog tests/baseline_compat/hyperon-mettalog_sanity/time_synthesize_long.metta", 6, 0), '$stream_position'(144, 6, 0, 144)))
^  Exit: (184) [user] read_comment((0x56051b6b4f40))
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _300056)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ;)
   Call: (185) [system] (;)=(;)
   Exit: (185) [system] (;)=(;)
^  Call: (185) [user] read_comment((0x56051b6b4f40))
^  Call: (186) [user] read_position((0x56051b6b4f40), _304694, _304696, _304698, _304700)
   Call: (187) [system] stream_property((0x56051b6b4f40), position(_304700))
   Call: (188) [system] nonvar((0x56051b6b4f40))
   Exit: (188) [system] nonvar((0x56051b6b4f40))
   Call: (188) [system] nonvar(position(_304700))
   Exit: (188) [system] nonvar(position(_304700))
   Exit: (187) [system] stream_property((0x56051b6b4f40), position('$stream_position'(233, 7, 0, 233)))
   Call: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(233, 7, 0, 233), _304694)
   Call: (188) [system] nonvar(line_count)
   Exit: (188) [system] nonvar(line_count)
   Call: (188) [$syspreds] stream_position_field(line_count, _313988)
   Exit: (188) [$syspreds] stream_position_field(line_count, 2)
   Call: (188) [system] arg(2, '$stream_position'(233, 7, 0, 233), _304694)
   Exit: (188) [system] arg(2, '$stream_position'(233, 7, 0, 233), 7)
   Exit: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(233, 7, 0, 233), 7)
   Call: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(233, 7, 0, 233), _304696)
   Call: (188) [system] nonvar(line_position)
   Exit: (188) [system] nonvar(line_position)
   Call: (188) [$syspreds] stream_position_field(line_position, _321422)
   Exit: (188) [$syspreds] stream_position_field(line_position, 3)
   Call: (188) [system] arg(3, '$stream_position'(233, 7, 0, 233), _304696)
   Exit: (188) [system] arg(3, '$stream_position'(233, 7, 0, 233), 0)
   Exit: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(233, 7, 0, 233), 0)
   Call: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(233, 7, 0, 233), _304698)
   Call: (188) [system] nonvar(char_count)
   Exit: (188) [system] nonvar(char_count)
   Call: (188) [$syspreds] stream_position_field(char_count, _328856)
   Exit: (188) [$syspreds] stream_position_field(char_count, 1)
   Call: (188) [system] arg(1, '$stream_position'(233, 7, 0, 233), _304698)
   Exit: (188) [system] arg(1, '$stream_position'(233, 7, 0, 233), 233)
   Exit: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(233, 7, 0, 233), 233)
^  Exit: (186) [user] read_position((0x56051b6b4f40), 7, 0, 233, '$stream_position'(233, 7, 0, 233))
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _334450)
   Call: (187) [system] get_char((0x56051b6b4f40), _335380)
   Exit: (187) [system] get_char((0x56051b6b4f40), ;)
   Call: (187) [system] char_type(;, end_of_line)
   Call: (187) [system] (;)=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _339094)
   Call: (188) [system] get_char((0x56051b6b4f40), _340024)
   Exit: (188) [system] get_char((0x56051b6b4f40), ;)
   Call: (188) [system] char_type(;, end_of_line)
   Call: (188) [system] (;)=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _343738)
   Call: (189) [system] get_char((0x56051b6b4f40), _344668)
   Exit: (189) [system] get_char((0x56051b6b4f40), r)
   Call: (189) [system] char_type(r, end_of_line)
   Call: (189) [system] r=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _348382)
   Call: (190) [system] get_char((0x56051b6b4f40), _349312)
   Exit: (190) [system] get_char((0x56051b6b4f40), e)
   Call: (190) [system] char_type(e, end_of_line)
   Call: (190) [system] e=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _353026)
   Call: (191) [system] get_char((0x56051b6b4f40), _353956)
   Exit: (191) [system] get_char((0x56051b6b4f40), a)
   Call: (191) [system] char_type(a, end_of_line)
   Call: (191) [system] a=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _357670)
   Call: (192) [system] get_char((0x56051b6b4f40), _358600)
   Exit: (192) [system] get_char((0x56051b6b4f40), l)
   Call: (192) [system] char_type(l, end_of_line)
   Call: (192) [system] l=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _362314)
   Call: (193) [system] get_char((0x56051b6b4f40), _363244)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _366958)
   Call: (194) [system] get_char((0x56051b6b4f40), _367888)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _371602)
   Call: (195) [system] get_char((0x56051b6b4f40), _372532)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _376246)
   Call: (196) [system] get_char((0x56051b6b4f40), _377176)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
   Call: (196) [system] char_type(' ', end_of_line)
   Call: (196) [system] ' '=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _380890)
   Call: (197) [system] get_char((0x56051b6b4f40), _381820)
   Exit: (197) [system] get_char((0x56051b6b4f40), '1')
   Call: (197) [system] char_type('1', end_of_line)
   Call: (197) [system] '1'=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _385534)
   Call: (198) [system] get_char((0x56051b6b4f40), _386464)
   Exit: (198) [system] get_char((0x56051b6b4f40), m)
   Call: (198) [system] char_type(m, end_of_line)
   Call: (198) [system] m=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _390178)
   Call: (199) [system] get_char((0x56051b6b4f40), _391108)
   Exit: (199) [system] get_char((0x56051b6b4f40), '1')
   Call: (199) [system] char_type('1', end_of_line)
   Call: (199) [system] '1'=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _394822)
   Call: (200) [system] get_char((0x56051b6b4f40), _395752)
   Exit: (200) [system] get_char((0x56051b6b4f40), '.')
   Call: (200) [system] char_type('.', end_of_line)
   Call: (200) [system] ('.')=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _399466)
   Call: (201) [system] get_char((0x56051b6b4f40), _400396)
   Exit: (201) [system] get_char((0x56051b6b4f40), '6')
   Call: (201) [system] char_type('6', end_of_line)
   Call: (201) [system] '6'=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _404110)
   Call: (202) [system] get_char((0x56051b6b4f40), _405040)
   Exit: (202) [system] get_char((0x56051b6b4f40), '6')
   Call: (202) [system] char_type('6', end_of_line)
   Call: (202) [system] '6'=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _408754)
   Call: (203) [system] get_char((0x56051b6b4f40), _409684)
   Exit: (203) [system] get_char((0x56051b6b4f40), '7')
   Call: (203) [system] char_type('7', end_of_line)
   Call: (203) [system] '7'=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _413398)
   Call: (204) [system] get_char((0x56051b6b4f40), _414328)
   Exit: (204) [system] get_char((0x56051b6b4f40), s)
   Call: (204) [system] char_type(s, end_of_line)
   Call: (204) [system] s=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _418042)
   Call: (205) [system] get_char((0x56051b6b4f40), _418972)
   Exit: (205) [system] get_char((0x56051b6b4f40), '\n')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
   Call: (205) [system] _418042=""
   Exit: (205) [system] ""=""
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (204) [system] string_concat(s, "", _413398)
   Exit: (204) [system] string_concat(s, "", "s")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "s")
   Call: (203) [system] string_concat('7', "s", _408754)
   Exit: (203) [system] string_concat('7', "s", "7s")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "7s")
   Call: (202) [system] string_concat('6', "7s", _404110)
   Exit: (202) [system] string_concat('6', "7s", "67s")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "67s")
   Call: (201) [system] string_concat('6', "67s", _399466)
   Exit: (201) [system] string_concat('6', "67s", "667s")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "667s")
   Call: (200) [system] string_concat('.', "667s", _394822)
   Exit: (200) [system] string_concat('.', "667s", ".667s")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), ".667s")
   Call: (199) [system] string_concat('1', ".667s", _390178)
   Exit: (199) [system] string_concat('1', ".667s", "1.667s")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "1.667s")
   Call: (198) [system] string_concat(m, "1.667s", _385534)
   Exit: (198) [system] string_concat(m, "1.667s", "m1.667s")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "m1.667s")
   Call: (197) [system] string_concat('1', "m1.667s", _380890)
   Exit: (197) [system] string_concat('1', "m1.667s", "1m1.667s")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "1m1.667s")
   Call: (196) [system] string_concat(' ', "1m1.667s", _376246)
   Exit: (196) [system] string_concat(' ', "1m1.667s", " 1m1.667s")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), " 1m1.667s")
   Call: (195) [system] string_concat(' ', " 1m1.667s", _371602)
   Exit: (195) [system] string_concat(' ', " 1m1.667s", "  1m1.667s")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "  1m1.667s")
   Call: (194) [system] string_concat(' ', "  1m1.667s", _366958)
   Exit: (194) [system] string_concat(' ', "  1m1.667s", "   1m1.667s")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "   1m1.667s")
   Call: (193) [system] string_concat(' ', "   1m1.667s", _362314)
   Exit: (193) [system] string_concat(' ', "   1m1.667s", "    1m1.667s")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "    1m1.667s")
   Call: (192) [system] string_concat(l, "    1m1.667s", _357670)
   Exit: (192) [system] string_concat(l, "    1m1.667s", "l    1m1.667s")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "l    1m1.667s")
   Call: (191) [system] string_concat(a, "l    1m1.667s", _353026)
   Exit: (191) [system] string_concat(a, "l    1m1.667s", "al    1m1.667s")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "al    1m1.667s")
   Call: (190) [system] string_concat(e, "al    1m1.667s", _348382)
   Exit: (190) [system] string_concat(e, "al    1m1.667s", "eal    1m1.667s")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "eal    1m1.667s")
   Call: (189) [system] string_concat(r, "eal    1m1.667s", _343738)
   Exit: (189) [system] string_concat(r, "eal    1m1.667s", "real    1m1.667s")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "real    1m1.667s")
   Call: (188) [system] string_concat(;, "real    1m1.667s", _339094)
   Exit: (188) [system] string_concat(;, "real    1m1.667s", ";real    1m1.667s")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), ";real    1m1.667s")
   Call: (187) [system] string_concat(;, ";real    1m1.667s", _334450)
   Exit: (187) [system] string_concat(;, ";real    1m1.667s", ";;real    1m1.667s")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), ";;real    1m1.667s")
^  Call: (186) [user] assertz(metta_file_comment(7, 0, 233, '$COMMENT'(";;real    1m1.667s", 7, 0), '$stream_position'(233, 7, 0, 233)))
^  Exit: (186) [user] assertz(metta_file_comment(7, 0, 233, '$COMMENT'(";;real    1m1.667s", 7, 0), '$stream_position'(233, 7, 0, 233)))
^  Exit: (185) [user] read_comment((0x56051b6b4f40))
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _479600)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ;)
   Call: (186) [system] (;)=(;)
   Exit: (186) [system] (;)=(;)
^  Call: (186) [user] read_comment((0x56051b6b4f40))
^  Call: (187) [user] read_position((0x56051b6b4f40), _484238, _484240, _484242, _484244)
   Call: (188) [system] stream_property((0x56051b6b4f40), position(_484244))
   Call: (189) [system] nonvar((0x56051b6b4f40))
   Exit: (189) [system] nonvar((0x56051b6b4f40))
   Call: (189) [system] nonvar(position(_484244))
   Exit: (189) [system] nonvar(position(_484244))
   Exit: (188) [system] stream_property((0x56051b6b4f40), position('$stream_position'(252, 8, 0, 252)))
   Call: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(252, 8, 0, 252), _484238)
   Call: (189) [system] nonvar(line_count)
   Exit: (189) [system] nonvar(line_count)
   Call: (189) [$syspreds] stream_position_field(line_count, _493532)
   Exit: (189) [$syspreds] stream_position_field(line_count, 2)
   Call: (189) [system] arg(2, '$stream_position'(252, 8, 0, 252), _484238)
   Exit: (189) [system] arg(2, '$stream_position'(252, 8, 0, 252), 8)
   Exit: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(252, 8, 0, 252), 8)
   Call: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(252, 8, 0, 252), _484240)
   Call: (189) [system] nonvar(line_position)
   Exit: (189) [system] nonvar(line_position)
   Call: (189) [$syspreds] stream_position_field(line_position, _500966)
   Exit: (189) [$syspreds] stream_position_field(line_position, 3)
   Call: (189) [system] arg(3, '$stream_position'(252, 8, 0, 252), _484240)
   Exit: (189) [system] arg(3, '$stream_position'(252, 8, 0, 252), 0)
   Exit: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(252, 8, 0, 252), 0)
   Call: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(252, 8, 0, 252), _484242)
   Call: (189) [system] nonvar(char_count)
   Exit: (189) [system] nonvar(char_count)
   Call: (189) [$syspreds] stream_position_field(char_count, _508400)
   Exit: (189) [$syspreds] stream_position_field(char_count, 1)
   Call: (189) [system] arg(1, '$stream_position'(252, 8, 0, 252), _484242)
   Exit: (189) [system] arg(1, '$stream_position'(252, 8, 0, 252), 252)
   Exit: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(252, 8, 0, 252), 252)
^  Exit: (187) [user] read_position((0x56051b6b4f40), 8, 0, 252, '$stream_position'(252, 8, 0, 252))
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _513994)
   Call: (188) [system] get_char((0x56051b6b4f40), _514924)
   Exit: (188) [system] get_char((0x56051b6b4f40), ;)
   Call: (188) [system] char_type(;, end_of_line)
   Call: (188) [system] (;)=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _518638)
   Call: (189) [system] get_char((0x56051b6b4f40), _519568)
   Exit: (189) [system] get_char((0x56051b6b4f40), ;)
   Call: (189) [system] char_type(;, end_of_line)
   Call: (189) [system] (;)=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _523282)
   Call: (190) [system] get_char((0x56051b6b4f40), _524212)
   Exit: (190) [system] get_char((0x56051b6b4f40), u)
   Call: (190) [system] char_type(u, end_of_line)
   Call: (190) [system] u=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _527926)
   Call: (191) [system] get_char((0x56051b6b4f40), _528856)
   Exit: (191) [system] get_char((0x56051b6b4f40), s)
   Call: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] s=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _532570)
   Call: (192) [system] get_char((0x56051b6b4f40), _533500)
   Exit: (192) [system] get_char((0x56051b6b4f40), e)
   Call: (192) [system] char_type(e, end_of_line)
   Call: (192) [system] e=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _537214)
   Call: (193) [system] get_char((0x56051b6b4f40), _538144)
   Exit: (193) [system] get_char((0x56051b6b4f40), r)
   Call: (193) [system] char_type(r, end_of_line)
   Call: (193) [system] r=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _541858)
   Call: (194) [system] get_char((0x56051b6b4f40), _542788)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _546502)
   Call: (195) [system] get_char((0x56051b6b4f40), _547432)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _551146)
   Call: (196) [system] get_char((0x56051b6b4f40), _552076)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
   Call: (196) [system] char_type(' ', end_of_line)
   Call: (196) [system] ' '=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _555790)
   Call: (197) [system] get_char((0x56051b6b4f40), _556720)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _560434)
   Call: (198) [system] get_char((0x56051b6b4f40), _561364)
   Exit: (198) [system] get_char((0x56051b6b4f40), '1')
   Call: (198) [system] char_type('1', end_of_line)
   Call: (198) [system] '1'=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _565078)
   Call: (199) [system] get_char((0x56051b6b4f40), _566008)
   Exit: (199) [system] get_char((0x56051b6b4f40), m)
   Call: (199) [system] char_type(m, end_of_line)
   Call: (199) [system] m=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _569722)
   Call: (200) [system] get_char((0x56051b6b4f40), _570652)
   Exit: (200) [system] get_char((0x56051b6b4f40), '1')
   Call: (200) [system] char_type('1', end_of_line)
   Call: (200) [system] '1'=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _574366)
   Call: (201) [system] get_char((0x56051b6b4f40), _575296)
   Exit: (201) [system] get_char((0x56051b6b4f40), '.')
   Call: (201) [system] char_type('.', end_of_line)
   Call: (201) [system] ('.')=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _579010)
   Call: (202) [system] get_char((0x56051b6b4f40), _579940)
   Exit: (202) [system] get_char((0x56051b6b4f40), '6')
   Call: (202) [system] char_type('6', end_of_line)
   Call: (202) [system] '6'=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _583654)
   Call: (203) [system] get_char((0x56051b6b4f40), _584584)
   Exit: (203) [system] get_char((0x56051b6b4f40), '3')
   Call: (203) [system] char_type('3', end_of_line)
   Call: (203) [system] '3'=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _588298)
   Call: (204) [system] get_char((0x56051b6b4f40), _589228)
   Exit: (204) [system] get_char((0x56051b6b4f40), '5')
   Call: (204) [system] char_type('5', end_of_line)
   Call: (204) [system] '5'=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _592942)
   Call: (205) [system] get_char((0x56051b6b4f40), _593872)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] char_type(s, end_of_line)
   Call: (205) [system] s=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _597586)
   Call: (206) [system] get_char((0x56051b6b4f40), _598516)
   Exit: (206) [system] get_char((0x56051b6b4f40), '\n')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
   Call: (206) [system] _597586=""
   Exit: (206) [system] ""=""
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (205) [system] string_concat(s, "", _592942)
   Exit: (205) [system] string_concat(s, "", "s")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "s")
   Call: (204) [system] string_concat('5', "s", _588298)
   Exit: (204) [system] string_concat('5', "s", "5s")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "5s")
   Call: (203) [system] string_concat('3', "5s", _583654)
   Exit: (203) [system] string_concat('3', "5s", "35s")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "35s")
   Call: (202) [system] string_concat('6', "35s", _579010)
   Exit: (202) [system] string_concat('6', "35s", "635s")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "635s")
   Call: (201) [system] string_concat('.', "635s", _574366)
   Exit: (201) [system] string_concat('.', "635s", ".635s")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), ".635s")
   Call: (200) [system] string_concat('1', ".635s", _569722)
   Exit: (200) [system] string_concat('1', ".635s", "1.635s")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "1.635s")
   Call: (199) [system] string_concat(m, "1.635s", _565078)
   Exit: (199) [system] string_concat(m, "1.635s", "m1.635s")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "m1.635s")
   Call: (198) [system] string_concat('1', "m1.635s", _560434)
   Exit: (198) [system] string_concat('1', "m1.635s", "1m1.635s")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "1m1.635s")
   Call: (197) [system] string_concat(' ', "1m1.635s", _555790)
   Exit: (197) [system] string_concat(' ', "1m1.635s", " 1m1.635s")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), " 1m1.635s")
   Call: (196) [system] string_concat(' ', " 1m1.635s", _551146)
   Exit: (196) [system] string_concat(' ', " 1m1.635s", "  1m1.635s")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "  1m1.635s")
   Call: (195) [system] string_concat(' ', "  1m1.635s", _546502)
   Exit: (195) [system] string_concat(' ', "  1m1.635s", "   1m1.635s")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "   1m1.635s")
   Call: (194) [system] string_concat(' ', "   1m1.635s", _541858)
   Exit: (194) [system] string_concat(' ', "   1m1.635s", "    1m1.635s")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "    1m1.635s")
   Call: (193) [system] string_concat(r, "    1m1.635s", _537214)
   Exit: (193) [system] string_concat(r, "    1m1.635s", "r    1m1.635s")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "r    1m1.635s")
   Call: (192) [system] string_concat(e, "r    1m1.635s", _532570)
   Exit: (192) [system] string_concat(e, "r    1m1.635s", "er    1m1.635s")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "er    1m1.635s")
   Call: (191) [system] string_concat(s, "er    1m1.635s", _527926)
   Exit: (191) [system] string_concat(s, "er    1m1.635s", "ser    1m1.635s")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "ser    1m1.635s")
   Call: (190) [system] string_concat(u, "ser    1m1.635s", _523282)
   Exit: (190) [system] string_concat(u, "ser    1m1.635s", "user    1m1.635s")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "user    1m1.635s")
   Call: (189) [system] string_concat(;, "user    1m1.635s", _518638)
   Exit: (189) [system] string_concat(;, "user    1m1.635s", ";user    1m1.635s")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), ";user    1m1.635s")
   Call: (188) [system] string_concat(;, ";user    1m1.635s", _513994)
   Exit: (188) [system] string_concat(;, ";user    1m1.635s", ";;user    1m1.635s")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), ";;user    1m1.635s")
^  Call: (187) [user] assertz(metta_file_comment(8, 0, 252, '$COMMENT'(";;user    1m1.635s", 8, 0), '$stream_position'(252, 8, 0, 252)))
^  Exit: (187) [user] assertz(metta_file_comment(8, 0, 252, '$COMMENT'(";;user    1m1.635s", 8, 0), '$stream_position'(252, 8, 0, 252)))
^  Exit: (186) [user] read_comment((0x56051b6b4f40))
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _659144)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ;)
   Call: (187) [system] (;)=(;)
   Exit: (187) [system] (;)=(;)
^  Call: (187) [user] read_comment((0x56051b6b4f40))
^  Call: (188) [user] read_position((0x56051b6b4f40), _663782, _663784, _663786, _663788)
   Call: (189) [system] stream_property((0x56051b6b4f40), position(_663788))
   Call: (190) [system] nonvar((0x56051b6b4f40))
   Exit: (190) [system] nonvar((0x56051b6b4f40))
   Call: (190) [system] nonvar(position(_663788))
   Exit: (190) [system] nonvar(position(_663788))
   Exit: (189) [system] stream_property((0x56051b6b4f40), position('$stream_position'(271, 9, 0, 271)))
   Call: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(271, 9, 0, 271), _663782)
   Call: (190) [system] nonvar(line_count)
   Exit: (190) [system] nonvar(line_count)
   Call: (190) [$syspreds] stream_position_field(line_count, _673076)
   Exit: (190) [$syspreds] stream_position_field(line_count, 2)
   Call: (190) [system] arg(2, '$stream_position'(271, 9, 0, 271), _663782)
   Exit: (190) [system] arg(2, '$stream_position'(271, 9, 0, 271), 9)
   Exit: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(271, 9, 0, 271), 9)
   Call: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(271, 9, 0, 271), _663784)
   Call: (190) [system] nonvar(line_position)
   Exit: (190) [system] nonvar(line_position)
   Call: (190) [$syspreds] stream_position_field(line_position, _680510)
   Exit: (190) [$syspreds] stream_position_field(line_position, 3)
   Call: (190) [system] arg(3, '$stream_position'(271, 9, 0, 271), _663784)
   Exit: (190) [system] arg(3, '$stream_position'(271, 9, 0, 271), 0)
   Exit: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(271, 9, 0, 271), 0)
   Call: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(271, 9, 0, 271), _663786)
   Call: (190) [system] nonvar(char_count)
   Exit: (190) [system] nonvar(char_count)
   Call: (190) [$syspreds] stream_position_field(char_count, _687944)
   Exit: (190) [$syspreds] stream_position_field(char_count, 1)
   Call: (190) [system] arg(1, '$stream_position'(271, 9, 0, 271), _663786)
   Exit: (190) [system] arg(1, '$stream_position'(271, 9, 0, 271), 271)
   Exit: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(271, 9, 0, 271), 271)
^  Exit: (188) [user] read_position((0x56051b6b4f40), 9, 0, 271, '$stream_position'(271, 9, 0, 271))
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _693538)
   Call: (189) [system] get_char((0x56051b6b4f40), _694468)
   Exit: (189) [system] get_char((0x56051b6b4f40), ;)
   Call: (189) [system] char_type(;, end_of_line)
   Call: (189) [system] (;)=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _698182)
   Call: (190) [system] get_char((0x56051b6b4f40), _699112)
   Exit: (190) [system] get_char((0x56051b6b4f40), ;)
   Call: (190) [system] char_type(;, end_of_line)
   Call: (190) [system] (;)=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _702826)
   Call: (191) [system] get_char((0x56051b6b4f40), _703756)
   Exit: (191) [system] get_char((0x56051b6b4f40), s)
   Call: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] s=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _707470)
   Call: (192) [system] get_char((0x56051b6b4f40), _708400)
   Exit: (192) [system] get_char((0x56051b6b4f40), y)
   Call: (192) [system] char_type(y, end_of_line)
   Call: (192) [system] y=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _712114)
   Call: (193) [system] get_char((0x56051b6b4f40), _713044)
   Exit: (193) [system] get_char((0x56051b6b4f40), s)
   Call: (193) [system] char_type(s, end_of_line)
   Call: (193) [system] s=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _716758)
   Call: (194) [system] get_char((0x56051b6b4f40), _717688)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _721402)
   Call: (195) [system] get_char((0x56051b6b4f40), _722332)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _726046)
   Call: (196) [system] get_char((0x56051b6b4f40), _726976)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
   Call: (196) [system] char_type(' ', end_of_line)
   Call: (196) [system] ' '=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _730690)
   Call: (197) [system] get_char((0x56051b6b4f40), _731620)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _735334)
   Call: (198) [system] get_char((0x56051b6b4f40), _736264)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _739978)
   Call: (199) [system] get_char((0x56051b6b4f40), _740908)
   Exit: (199) [system] get_char((0x56051b6b4f40), '0')
   Call: (199) [system] char_type('0', end_of_line)
   Call: (199) [system] '0'=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _744622)
   Call: (200) [system] get_char((0x56051b6b4f40), _745552)
   Exit: (200) [system] get_char((0x56051b6b4f40), m)
   Call: (200) [system] char_type(m, end_of_line)
   Call: (200) [system] m=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _749266)
   Call: (201) [system] get_char((0x56051b6b4f40), _750196)
   Exit: (201) [system] get_char((0x56051b6b4f40), '0')
   Call: (201) [system] char_type('0', end_of_line)
   Call: (201) [system] '0'=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _753910)
   Call: (202) [system] get_char((0x56051b6b4f40), _754840)
   Exit: (202) [system] get_char((0x56051b6b4f40), '.')
   Call: (202) [system] char_type('.', end_of_line)
   Call: (202) [system] ('.')=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _758554)
   Call: (203) [system] get_char((0x56051b6b4f40), _759484)
   Exit: (203) [system] get_char((0x56051b6b4f40), '0')
   Call: (203) [system] char_type('0', end_of_line)
   Call: (203) [system] '0'=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _763198)
   Call: (204) [system] get_char((0x56051b6b4f40), _764128)
   Exit: (204) [system] get_char((0x56051b6b4f40), '3')
   Call: (204) [system] char_type('3', end_of_line)
   Call: (204) [system] '3'=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _767842)
   Call: (205) [system] get_char((0x56051b6b4f40), _768772)
   Exit: (205) [system] get_char((0x56051b6b4f40), '0')
   Call: (205) [system] char_type('0', end_of_line)
   Call: (205) [system] '0'=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _772486)
   Call: (206) [system] get_char((0x56051b6b4f40), _773416)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] char_type(s, end_of_line)
   Call: (206) [system] s=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _777130)
   Call: (207) [system] get_char((0x56051b6b4f40), _778060)
   Exit: (207) [system] get_char((0x56051b6b4f40), '\n')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
   Call: (207) [system] _777130=""
   Exit: (207) [system] ""=""
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (206) [system] string_concat(s, "", _772486)
   Exit: (206) [system] string_concat(s, "", "s")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "s")
   Call: (205) [system] string_concat('0', "s", _767842)
   Exit: (205) [system] string_concat('0', "s", "0s")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "0s")
   Call: (204) [system] string_concat('3', "0s", _763198)
   Exit: (204) [system] string_concat('3', "0s", "30s")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "30s")
   Call: (203) [system] string_concat('0', "30s", _758554)
   Exit: (203) [system] string_concat('0', "30s", "030s")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "030s")
   Call: (202) [system] string_concat('.', "030s", _753910)
   Exit: (202) [system] string_concat('.', "030s", ".030s")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), ".030s")
   Call: (201) [system] string_concat('0', ".030s", _749266)
   Exit: (201) [system] string_concat('0', ".030s", "0.030s")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "0.030s")
   Call: (200) [system] string_concat(m, "0.030s", _744622)
   Exit: (200) [system] string_concat(m, "0.030s", "m0.030s")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "m0.030s")
   Call: (199) [system] string_concat('0', "m0.030s", _739978)
   Exit: (199) [system] string_concat('0', "m0.030s", "0m0.030s")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "0m0.030s")
   Call: (198) [system] string_concat(' ', "0m0.030s", _735334)
   Exit: (198) [system] string_concat(' ', "0m0.030s", " 0m0.030s")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), " 0m0.030s")
   Call: (197) [system] string_concat(' ', " 0m0.030s", _730690)
   Exit: (197) [system] string_concat(' ', " 0m0.030s", "  0m0.030s")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "  0m0.030s")
   Call: (196) [system] string_concat(' ', "  0m0.030s", _726046)
   Exit: (196) [system] string_concat(' ', "  0m0.030s", "   0m0.030s")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "   0m0.030s")
   Call: (195) [system] string_concat(' ', "   0m0.030s", _721402)
   Exit: (195) [system] string_concat(' ', "   0m0.030s", "    0m0.030s")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "    0m0.030s")
   Call: (194) [system] string_concat(' ', "    0m0.030s", _716758)
   Exit: (194) [system] string_concat(' ', "    0m0.030s", "     0m0.030s")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "     0m0.030s")
   Call: (193) [system] string_concat(s, "     0m0.030s", _712114)
   Exit: (193) [system] string_concat(s, "     0m0.030s", "s     0m0.030s")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "s     0m0.030s")
   Call: (192) [system] string_concat(y, "s     0m0.030s", _707470)
   Exit: (192) [system] string_concat(y, "s     0m0.030s", "ys     0m0.030s")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "ys     0m0.030s")
   Call: (191) [system] string_concat(s, "ys     0m0.030s", _702826)
   Exit: (191) [system] string_concat(s, "ys     0m0.030s", "sys     0m0.030s")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "sys     0m0.030s")
   Call: (190) [system] string_concat(;, "sys     0m0.030s", _698182)
   Exit: (190) [system] string_concat(;, "sys     0m0.030s", ";sys     0m0.030s")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), ";sys     0m0.030s")
   Call: (189) [system] string_concat(;, ";sys     0m0.030s", _693538)
   Exit: (189) [system] string_concat(;, ";sys     0m0.030s", ";;sys     0m0.030s")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), ";;sys     0m0.030s")
^  Call: (188) [user] assertz(metta_file_comment(9, 0, 271, '$COMMENT'(";;sys     0m0.030s", 9, 0), '$stream_position'(271, 9, 0, 271)))
^  Exit: (188) [user] assertz(metta_file_comment(9, 0, 271, '$COMMENT'(";;sys     0m0.030s", 9, 0), '$stream_position'(271, 9, 0, 271)))
^  Exit: (187) [user] read_comment((0x56051b6b4f40))
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _838688)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x56051b6b4f40), _846304)
   Exit: (188) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _849008)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ;)
   Call: (189) [system] (;)=(;)
   Exit: (189) [system] (;)=(;)
^  Call: (189) [user] read_comment((0x56051b6b4f40))
^  Call: (190) [user] read_position((0x56051b6b4f40), _853646, _853648, _853650, _853652)
   Call: (191) [system] stream_property((0x56051b6b4f40), position(_853652))
   Call: (192) [system] nonvar((0x56051b6b4f40))
   Exit: (192) [system] nonvar((0x56051b6b4f40))
   Call: (192) [system] nonvar(position(_853652))
   Exit: (192) [system] nonvar(position(_853652))
   Exit: (191) [system] stream_property((0x56051b6b4f40), position('$stream_position'(291, 11, 0, 291)))
   Call: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(291, 11, 0, 291), _853646)
   Call: (192) [system] nonvar(line_count)
   Exit: (192) [system] nonvar(line_count)
   Call: (192) [$syspreds] stream_position_field(line_count, _862940)
   Exit: (192) [$syspreds] stream_position_field(line_count, 2)
   Call: (192) [system] arg(2, '$stream_position'(291, 11, 0, 291), _853646)
   Exit: (192) [system] arg(2, '$stream_position'(291, 11, 0, 291), 11)
   Exit: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(291, 11, 0, 291), 11)
   Call: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(291, 11, 0, 291), _853648)
   Call: (192) [system] nonvar(line_position)
   Exit: (192) [system] nonvar(line_position)
   Call: (192) [$syspreds] stream_position_field(line_position, _870374)
   Exit: (192) [$syspreds] stream_position_field(line_position, 3)
   Call: (192) [system] arg(3, '$stream_position'(291, 11, 0, 291), _853648)
   Exit: (192) [system] arg(3, '$stream_position'(291, 11, 0, 291), 0)
   Exit: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(291, 11, 0, 291), 0)
   Call: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(291, 11, 0, 291), _853650)
   Call: (192) [system] nonvar(char_count)
   Exit: (192) [system] nonvar(char_count)
   Call: (192) [$syspreds] stream_position_field(char_count, _877808)
   Exit: (192) [$syspreds] stream_position_field(char_count, 1)
   Call: (192) [system] arg(1, '$stream_position'(291, 11, 0, 291), _853650)
   Exit: (192) [system] arg(1, '$stream_position'(291, 11, 0, 291), 291)
   Exit: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(291, 11, 0, 291), 291)
^  Exit: (190) [user] read_position((0x56051b6b4f40), 11, 0, 291, '$stream_position'(291, 11, 0, 291))
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _883402)
   Call: (191) [system] get_char((0x56051b6b4f40), _884332)
   Exit: (191) [system] get_char((0x56051b6b4f40), ;)
   Call: (191) [system] char_type(;, end_of_line)
   Call: (191) [system] (;)=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _888046)
   Call: (192) [system] get_char((0x56051b6b4f40), _888976)
   Exit: (192) [system] get_char((0x56051b6b4f40), ;)
   Call: (192) [system] char_type(;, end_of_line)
   Call: (192) [system] (;)=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _892690)
   Call: (193) [system] get_char((0x56051b6b4f40), _893620)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _897334)
   Call: (194) [system] get_char((0x56051b6b4f40), _898264)
   Exit: (194) [system] get_char((0x56051b6b4f40), 'I')
   Call: (194) [system] char_type('I', end_of_line)
   Call: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _901978)
   Call: (195) [system] get_char((0x56051b6b4f40), _902908)
   Exit: (195) [system] get_char((0x56051b6b4f40), m)
   Call: (195) [system] char_type(m, end_of_line)
   Call: (195) [system] m=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _906622)
   Call: (196) [system] get_char((0x56051b6b4f40), _907552)
   Exit: (196) [system] get_char((0x56051b6b4f40), p)
   Call: (196) [system] char_type(p, end_of_line)
   Call: (196) [system] p=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _911266)
   Call: (197) [system] get_char((0x56051b6b4f40), _912196)
   Exit: (197) [system] get_char((0x56051b6b4f40), o)
   Call: (197) [system] char_type(o, end_of_line)
   Call: (197) [system] o=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _915910)
   Call: (198) [system] get_char((0x56051b6b4f40), _916840)
   Exit: (198) [system] get_char((0x56051b6b4f40), r)
   Call: (198) [system] char_type(r, end_of_line)
   Call: (198) [system] r=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _920554)
   Call: (199) [system] get_char((0x56051b6b4f40), _921484)
   Exit: (199) [system] get_char((0x56051b6b4f40), t)
   Call: (199) [system] char_type(t, end_of_line)
   Call: (199) [system] t=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _925198)
   Call: (200) [system] get_char((0x56051b6b4f40), _926128)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _929842)
   Call: (201) [system] get_char((0x56051b6b4f40), _930772)
   Exit: (201) [system] get_char((0x56051b6b4f40), m)
   Call: (201) [system] char_type(m, end_of_line)
   Call: (201) [system] m=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _934486)
   Call: (202) [system] get_char((0x56051b6b4f40), _935416)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] char_type(o, end_of_line)
   Call: (202) [system] o=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _939130)
   Call: (203) [system] get_char((0x56051b6b4f40), _940060)
   Exit: (203) [system] get_char((0x56051b6b4f40), d)
   Call: (203) [system] char_type(d, end_of_line)
   Call: (203) [system] d=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _943774)
   Call: (204) [system] get_char((0x56051b6b4f40), _944704)
   Exit: (204) [system] get_char((0x56051b6b4f40), u)
   Call: (204) [system] char_type(u, end_of_line)
   Call: (204) [system] u=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _948418)
   Call: (205) [system] get_char((0x56051b6b4f40), _949348)
   Exit: (205) [system] get_char((0x56051b6b4f40), l)
   Call: (205) [system] char_type(l, end_of_line)
   Call: (205) [system] l=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _953062)
   Call: (206) [system] get_char((0x56051b6b4f40), _953992)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] char_type(e, end_of_line)
   Call: (206) [system] e=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _957706)
   Call: (207) [system] get_char((0x56051b6b4f40), _958636)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] char_type(s, end_of_line)
   Call: (207) [system] s=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _962350)
   Call: (208) [system] get_char((0x56051b6b4f40), _963280)
   Exit: (208) [system] get_char((0x56051b6b4f40), '\n')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
   Call: (208) [system] _962350=""
   Exit: (208) [system] ""=""
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (207) [system] string_concat(s, "", _957706)
   Exit: (207) [system] string_concat(s, "", "s")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "s")
   Call: (206) [system] string_concat(e, "s", _953062)
   Exit: (206) [system] string_concat(e, "s", "es")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "es")
   Call: (205) [system] string_concat(l, "es", _948418)
   Exit: (205) [system] string_concat(l, "es", "les")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "les")
   Call: (204) [system] string_concat(u, "les", _943774)
   Exit: (204) [system] string_concat(u, "les", "ules")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "ules")
   Call: (203) [system] string_concat(d, "ules", _939130)
   Exit: (203) [system] string_concat(d, "ules", "dules")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "dules")
   Call: (202) [system] string_concat(o, "dules", _934486)
   Exit: (202) [system] string_concat(o, "dules", "odules")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "odules")
   Call: (201) [system] string_concat(m, "odules", _929842)
   Exit: (201) [system] string_concat(m, "odules", "modules")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "modules")
   Call: (200) [system] string_concat(' ', "modules", _925198)
   Exit: (200) [system] string_concat(' ', "modules", " modules")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), " modules")
   Call: (199) [system] string_concat(t, " modules", _920554)
   Exit: (199) [system] string_concat(t, " modules", "t modules")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "t modules")
   Call: (198) [system] string_concat(r, "t modules", _915910)
   Exit: (198) [system] string_concat(r, "t modules", "rt modules")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "rt modules")
   Call: (197) [system] string_concat(o, "rt modules", _911266)
   Exit: (197) [system] string_concat(o, "rt modules", "ort modules")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "ort modules")
   Call: (196) [system] string_concat(p, "ort modules", _906622)
   Exit: (196) [system] string_concat(p, "ort modules", "port modules")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "port modules")
   Call: (195) [system] string_concat(m, "port modules", _901978)
   Exit: (195) [system] string_concat(m, "port modules", "mport modules")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "mport modules")
   Call: (194) [system] string_concat('I', "mport modules", _897334)
   Exit: (194) [system] string_concat('I', "mport modules", "Import modules")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "Import modules")
   Call: (193) [system] string_concat(' ', "Import modules", _892690)
   Exit: (193) [system] string_concat(' ', "Import modules", " Import modules")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), " Import modules")
   Call: (192) [system] string_concat(;, " Import modules", _888046)
   Exit: (192) [system] string_concat(;, " Import modules", "; Import modules")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "; Import modules")
   Call: (191) [system] string_concat(;, "; Import modules", _883402)
   Exit: (191) [system] string_concat(;, "; Import modules", ";; Import modules")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), ";; Import modules")
^  Call: (190) [user] assertz(metta_file_comment(11, 0, 291, '$COMMENT'(";; Import modules", 11, 0), '$stream_position'(291, 11, 0, 291)))
^  Exit: (190) [user] assertz(metta_file_comment(11, 0, 291, '$COMMENT'(";; Import modules", 11, 0), '$stream_position'(291, 11, 0, 291)))
^  Exit: (189) [user] read_comment((0x56051b6b4f40))
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1021106)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (190) [system] '\n'=(;)
^  Call: (190) [user] is_like_space('\n')
   Call: (191) [system] char_type('\n', 'white')
   Call: (191) [system] char_type('\n', end_of_line)
   Exit: (191) [system] char_type('\n', end_of_line)
^  Exit: (190) [user] is_like_space('\n')
   Call: (190) [system] get_char((0x56051b6b4f40), _1028722)
   Exit: (190) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1031426)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ;)
   Call: (191) [system] (;)=(;)
   Exit: (191) [system] (;)=(;)
^  Call: (191) [user] read_comment((0x56051b6b4f40))
^  Call: (192) [user] read_position((0x56051b6b4f40), _1036064, _1036066, _1036068, _1036070)
   Call: (193) [system] stream_property((0x56051b6b4f40), position(_1036070))
   Call: (194) [system] nonvar((0x56051b6b4f40))
   Exit: (194) [system] nonvar((0x56051b6b4f40))
   Call: (194) [system] nonvar(position(_1036070))
   Exit: (194) [system] nonvar(position(_1036070))
   Exit: (193) [system] stream_property((0x56051b6b4f40), position('$stream_position'(310, 13, 0, 310)))
   Call: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(310, 13, 0, 310), _1036064)
   Call: (194) [system] nonvar(line_count)
   Exit: (194) [system] nonvar(line_count)
   Call: (194) [$syspreds] stream_position_field(line_count, _1045358)
   Exit: (194) [$syspreds] stream_position_field(line_count, 2)
   Call: (194) [system] arg(2, '$stream_position'(310, 13, 0, 310), _1036064)
   Exit: (194) [system] arg(2, '$stream_position'(310, 13, 0, 310), 13)
   Exit: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(310, 13, 0, 310), 13)
   Call: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(310, 13, 0, 310), _1036066)
   Call: (194) [system] nonvar(line_position)
   Exit: (194) [system] nonvar(line_position)
   Call: (194) [$syspreds] stream_position_field(line_position, _1052792)
   Exit: (194) [$syspreds] stream_position_field(line_position, 3)
   Call: (194) [system] arg(3, '$stream_position'(310, 13, 0, 310), _1036066)
   Exit: (194) [system] arg(3, '$stream_position'(310, 13, 0, 310), 0)
   Exit: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(310, 13, 0, 310), 0)
   Call: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(310, 13, 0, 310), _1036068)
   Call: (194) [system] nonvar(char_count)
   Exit: (194) [system] nonvar(char_count)
   Call: (194) [$syspreds] stream_position_field(char_count, _1060226)
   Exit: (194) [$syspreds] stream_position_field(char_count, 1)
   Call: (194) [system] arg(1, '$stream_position'(310, 13, 0, 310), _1036068)
   Exit: (194) [system] arg(1, '$stream_position'(310, 13, 0, 310), 310)
   Exit: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(310, 13, 0, 310), 310)
^  Exit: (192) [user] read_position((0x56051b6b4f40), 13, 0, 310, '$stream_position'(310, 13, 0, 310))
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1065820)
   Call: (193) [system] get_char((0x56051b6b4f40), _1066750)
   Exit: (193) [system] get_char((0x56051b6b4f40), ;)
   Call: (193) [system] char_type(;, end_of_line)
   Call: (193) [system] (;)=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1070464)
   Call: (194) [system] get_char((0x56051b6b4f40), _1071394)
   Exit: (194) [system] get_char((0x56051b6b4f40), ;)
   Call: (194) [system] char_type(;, end_of_line)
   Call: (194) [system] (;)=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1075108)
   Call: (195) [system] get_char((0x56051b6b4f40), _1076038)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1079752)
   Call: (196) [system] get_char((0x56051b6b4f40), _1080682)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'D')
   Call: (196) [system] char_type('D', end_of_line)
   Call: (196) [system] 'D'=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1084396)
   Call: (197) [system] get_char((0x56051b6b4f40), _1085326)
   Exit: (197) [system] get_char((0x56051b6b4f40), e)
   Call: (197) [system] char_type(e, end_of_line)
   Call: (197) [system] e=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1089040)
   Call: (198) [system] get_char((0x56051b6b4f40), _1089970)
   Exit: (198) [system] get_char((0x56051b6b4f40), f)
   Call: (198) [system] char_type(f, end_of_line)
   Call: (198) [system] f=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1093684)
   Call: (199) [system] get_char((0x56051b6b4f40), _1094614)
   Exit: (199) [system] get_char((0x56051b6b4f40), i)
   Call: (199) [system] char_type(i, end_of_line)
   Call: (199) [system] i=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1098328)
   Call: (200) [system] get_char((0x56051b6b4f40), _1099258)
   Exit: (200) [system] get_char((0x56051b6b4f40), n)
   Call: (200) [system] char_type(n, end_of_line)
   Call: (200) [system] n=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1102972)
   Call: (201) [system] get_char((0x56051b6b4f40), _1103902)
   Exit: (201) [system] get_char((0x56051b6b4f40), e)
   Call: (201) [system] char_type(e, end_of_line)
   Call: (201) [system] e=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1107616)
   Call: (202) [system] get_char((0x56051b6b4f40), _1108546)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _1112260)
   Call: (203) [system] get_char((0x56051b6b4f40), _1113190)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'N')
   Call: (203) [system] char_type('N', end_of_line)
   Call: (203) [system] 'N'=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1116904)
   Call: (204) [system] get_char((0x56051b6b4f40), _1117834)
   Exit: (204) [system] get_char((0x56051b6b4f40), a)
   Call: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] a=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1121548)
   Call: (205) [system] get_char((0x56051b6b4f40), _1122478)
   Exit: (205) [system] get_char((0x56051b6b4f40), t)
   Call: (205) [system] char_type(t, end_of_line)
   Call: (205) [system] t=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1126192)
   Call: (206) [system] get_char((0x56051b6b4f40), _1127122)
   Exit: (206) [system] get_char((0x56051b6b4f40), '\n')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
   Call: (206) [system] _1126192=""
   Exit: (206) [system] ""=""
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (205) [system] string_concat(t, "", _1121548)
   Exit: (205) [system] string_concat(t, "", "t")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "t")
   Call: (204) [system] string_concat(a, "t", _1116904)
   Exit: (204) [system] string_concat(a, "t", "at")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "at")
   Call: (203) [system] string_concat('N', "at", _1112260)
   Exit: (203) [system] string_concat('N', "at", "Nat")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "Nat")
   Call: (202) [system] string_concat(' ', "Nat", _1107616)
   Exit: (202) [system] string_concat(' ', "Nat", " Nat")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), " Nat")
   Call: (201) [system] string_concat(e, " Nat", _1102972)
   Exit: (201) [system] string_concat(e, " Nat", "e Nat")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "e Nat")
   Call: (200) [system] string_concat(n, "e Nat", _1098328)
   Exit: (200) [system] string_concat(n, "e Nat", "ne Nat")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "ne Nat")
   Call: (199) [system] string_concat(i, "ne Nat", _1093684)
   Exit: (199) [system] string_concat(i, "ne Nat", "ine Nat")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "ine Nat")
   Call: (198) [system] string_concat(f, "ine Nat", _1089040)
   Exit: (198) [system] string_concat(f, "ine Nat", "fine Nat")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "fine Nat")
   Call: (197) [system] string_concat(e, "fine Nat", _1084396)
   Exit: (197) [system] string_concat(e, "fine Nat", "efine Nat")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "efine Nat")
   Call: (196) [system] string_concat('D', "efine Nat", _1079752)
   Exit: (196) [system] string_concat('D', "efine Nat", "Define Nat")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "Define Nat")
   Call: (195) [system] string_concat(' ', "Define Nat", _1075108)
   Exit: (195) [system] string_concat(' ', "Define Nat", " Define Nat")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), " Define Nat")
   Call: (194) [system] string_concat(;, " Define Nat", _1070464)
   Exit: (194) [system] string_concat(;, " Define Nat", "; Define Nat")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "; Define Nat")
   Call: (193) [system] string_concat(;, "; Define Nat", _1065820)
   Exit: (193) [system] string_concat(;, "; Define Nat", ";; Define Nat")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), ";; Define Nat")
^  Call: (192) [user] assertz(metta_file_comment(13, 0, 310, '$COMMENT'(";; Define Nat", 13, 0), '$stream_position'(310, 13, 0, 310)))
^  Exit: (192) [user] assertz(metta_file_comment(13, 0, 310, '$COMMENT'(";; Define Nat", 13, 0), '$stream_position'(310, 13, 0, 310)))
^  Exit: (191) [user] read_comment((0x56051b6b4f40))
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1173742)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (180) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (179) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (178) [user] skip_spaces((0x56051b6b4f40))
   Call: (178) [system] get_char((0x56051b6b4f40), _1194222)
   Exit: (178) [system] get_char((0x56051b6b4f40), '(')
   Call: (178) [system] '('='('
   Exit: (178) [system] '('='('
^  Call: (178) [user] read_list(')', (0x56051b6b4f40), _3314)
^  Call: (179) [user] skip_spaces((0x56051b6b4f40))
   Call: (180) [system] peek_char((0x56051b6b4f40), _1199792)
   Exit: (180) [system] peek_char((0x56051b6b4f40), :)
   Call: (180) [system] (:)=(;)
^  Call: (180) [user] is_like_space(:)
   Call: (181) [system] char_type(:, 'white')
   Call: (181) [system] char_type(:, end_of_line)
   Call: (181) [system] char_type(:, space)
   Call: (181) [system] char_type(:, cntrl)
^  Exit: (179) [user] skip_spaces((0x56051b6b4f40))
   Call: (179) [system] peek_char((0x56051b6b4f40), _1208260)
   Exit: (179) [system] peek_char((0x56051b6b4f40), :)
   Call: (179) [system] (:)=')'
   Call: (179) [system] (:)=end_of_file
^  Call: (179) [user] cont_sexpr(')', (0x56051b6b4f40), _1211974)
^  Call: (180) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] peek_char((0x56051b6b4f40), _1213832)
   Exit: (181) [system] peek_char((0x56051b6b4f40), :)
   Call: (181) [system] (:)=(;)
^  Call: (181) [user] is_like_space(:)
   Call: (182) [system] char_type(:, 'white')
   Call: (182) [system] char_type(:, end_of_line)
   Call: (182) [system] char_type(:, space)
   Call: (182) [system] char_type(:, cntrl)
^  Exit: (180) [user] skip_spaces((0x56051b6b4f40))
   Call: (180) [system] get_char((0x56051b6b4f40), _1222300)
   Exit: (180) [system] get_char((0x56051b6b4f40), :)
   Call: (180) [system] (:)='('
   Call: (180) [system] (:)='['
   Call: (180) [system] (:)='{'
   Call: (180) [system] (:)='"'
   Call: (180) [system] (:)=!
   Call: (180) [system] (:)='\''
   Call: (180) [system] (:)='`'
   Call: (180) [system] (:)=end_of_file
^  Call: (180) [user] read_symbolic(')', (0x56051b6b4f40), :, _1211974)
^  Call: (181) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1232518)
   Call: (182) [system] peek_char((0x56051b6b4f40), _1233452)
   Exit: (182) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (182) [user] is_delimiter(' ')
   Call: (183) [system] char_type(' ', space)
   Exit: (183) [system] char_type(' ', space)
^  Exit: (182) [user] is_delimiter(' ')
   Call: (182) [system] _1232518=[]
   Exit: (182) [system] []=[]
^  Exit: (181) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (181) [user] classify_and_convert_charseq(:, [], _1211974)
^  Call: (183) [system] setup_call_cleanup('$notrace'(_1242762, _1242764), once(user:catch(read_from_chars([:], _1211974), _1242738, fail)), '$restore_trace'(_1242762, _1242764))
^  Call: (184) [system] sig_atomic(system:'$notrace'(_1242762, _1242764))
^  Exit: (183) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1242738, fail)), system:'$restore_trace'(3, -1))
   Call: (182) [system] atomic(:)
   Exit: (182) [system] atomic(:)
^  Exit: (181) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (180) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (179) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (179) [user] read_list(')', (0x56051b6b4f40), _1250262)
^  Call: (180) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] peek_char((0x56051b6b4f40), _1252120)
   Exit: (181) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (181) [system] ' '=(;)
^  Call: (181) [user] is_like_space(' ')
   Call: (182) [system] char_type(' ', 'white')
   Exit: (182) [system] char_type(' ', 'white')
^  Exit: (181) [user] is_like_space(' ')
   Call: (181) [system] get_char((0x56051b6b4f40), _1258930)
   Exit: (181) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1261634)
   Exit: (182) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (182) [system] 'N'=(;)
^  Call: (182) [user] is_like_space('N')
   Call: (183) [system] char_type('N', 'white')
   Call: (183) [system] char_type('N', end_of_line)
   Call: (183) [system] char_type('N', space)
   Call: (183) [system] char_type('N', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (180) [user] skip_spaces((0x56051b6b4f40))
   Call: (180) [system] peek_char((0x56051b6b4f40), _1271026)
   Exit: (180) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (180) [system] 'N'=')'
   Call: (180) [system] 'N'=end_of_file
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1274740)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1276598)
   Exit: (182) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (182) [system] 'N'=(;)
^  Call: (182) [user] is_like_space('N')
   Call: (183) [system] char_type('N', 'white')
   Call: (183) [system] char_type('N', end_of_line)
   Call: (183) [system] char_type('N', space)
   Call: (183) [system] char_type('N', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1285066)
   Exit: (181) [system] get_char((0x56051b6b4f40), 'N')
   Call: (181) [system] 'N'='('
   Call: (181) [system] 'N'='['
   Call: (181) [system] 'N'='{'
   Call: (181) [system] 'N'='"'
   Call: (181) [system] 'N'=!
   Call: (181) [system] 'N'='\''
   Call: (181) [system] 'N'='`'
   Call: (181) [system] 'N'=end_of_file
^  Call: (181) [user] read_symbolic(')', (0x56051b6b4f40), 'N', _1274740)
^  Call: (182) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1295284)
   Call: (183) [system] peek_char((0x56051b6b4f40), _1296218)
   Exit: (183) [system] peek_char((0x56051b6b4f40), a)
^  Call: (183) [user] is_delimiter(a)
   Call: (184) [system] char_type(a, space)
   Call: (184) [system] arg(_1300010, v('(', ')', end_of_file), a)
   Call: (183) [system] ')'==a
   Call: (183) [system] get_char((0x56051b6b4f40), a)
   Exit: (183) [system] get_char((0x56051b6b4f40), a)
   Call: (183) [system] a=(\)
^  Call: (183) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1304580)
   Call: (184) [system] peek_char((0x56051b6b4f40), _1305514)
   Exit: (184) [system] peek_char((0x56051b6b4f40), t)
^  Call: (184) [user] is_delimiter(t)
   Call: (185) [system] char_type(t, space)
   Call: (185) [system] arg(_1309306, v('(', ')', end_of_file), t)
   Call: (184) [system] ')'==t
   Call: (184) [system] get_char((0x56051b6b4f40), t)
   Exit: (184) [system] get_char((0x56051b6b4f40), t)
   Call: (184) [system] t=(\)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1313876)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1314810)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1313876=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (184) [system] _1304580=[t]
   Exit: (184) [system] [t]=[t]
^  Exit: (183) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (183) [system] _1295284=[a, t]
   Exit: (183) [system] [a, t]=[a, t]
^  Exit: (182) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t])
^  Call: (182) [user] classify_and_convert_charseq('N', [a, t], _1274740)
^  Call: (184) [system] setup_call_cleanup('$notrace'(_1329708, _1329710), once(user:catch(read_from_chars(['N', a, t], _1274740), _1329684, fail)), '$restore_trace'(_1329708, _1329710))
^  Call: (185) [system] sig_atomic(system:'$notrace'(_1329708, _1329710))
^  Exit: (184) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1274740), _1329684, fail)), system:'$restore_trace'(3, -1))
   Call: (183) [system] atomic(_1274740)
   Call: (183) [system] atom_chars(_1274740, ['N', a, t])
   Exit: (183) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (182) [user] classify_and_convert_charseq('N', [a, t], 'Nat')
^  Exit: (181) [user] read_symbolic(')', (0x56051b6b4f40), 'N', 'Nat')
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), 'Nat')
^  Call: (180) [user] read_list(')', (0x56051b6b4f40), _1338160)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1340018)
   Exit: (182) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (182) [system] ' '=(;)
^  Call: (182) [user] is_like_space(' ')
   Call: (183) [system] char_type(' ', 'white')
   Exit: (183) [system] char_type(' ', 'white')
^  Exit: (182) [user] is_like_space(' ')
   Call: (182) [system] get_char((0x56051b6b4f40), _1346828)
   Exit: (182) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1349532)
   Exit: (183) [system] peek_char((0x56051b6b4f40), 'T')
   Call: (183) [system] 'T'=(;)
^  Call: (183) [user] is_like_space('T')
   Call: (184) [system] char_type('T', 'white')
   Call: (184) [system] char_type('T', end_of_line)
   Call: (184) [system] char_type('T', space)
   Call: (184) [system] char_type('T', cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] peek_char((0x56051b6b4f40), _1358924)
   Exit: (181) [system] peek_char((0x56051b6b4f40), 'T')
   Call: (181) [system] 'T'=')'
   Call: (181) [system] 'T'=end_of_file
^  Call: (181) [user] cont_sexpr(')', (0x56051b6b4f40), _1362638)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1364496)
   Exit: (183) [system] peek_char((0x56051b6b4f40), 'T')
   Call: (183) [system] 'T'=(;)
^  Call: (183) [user] is_like_space('T')
   Call: (184) [system] char_type('T', 'white')
   Call: (184) [system] char_type('T', end_of_line)
   Call: (184) [system] char_type('T', space)
   Call: (184) [system] char_type('T', cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] get_char((0x56051b6b4f40), _1372964)
   Exit: (182) [system] get_char((0x56051b6b4f40), 'T')
   Call: (182) [system] 'T'='('
   Call: (182) [system] 'T'='['
   Call: (182) [system] 'T'='{'
   Call: (182) [system] 'T'='"'
   Call: (182) [system] 'T'=!
   Call: (182) [system] 'T'='\''
   Call: (182) [system] 'T'='`'
   Call: (182) [system] 'T'=end_of_file
^  Call: (182) [user] read_symbolic(')', (0x56051b6b4f40), 'T', _1362638)
^  Call: (183) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1383182)
   Call: (184) [system] peek_char((0x56051b6b4f40), _1384116)
   Exit: (184) [system] peek_char((0x56051b6b4f40), y)
^  Call: (184) [user] is_delimiter(y)
   Call: (185) [system] char_type(y, space)
   Call: (185) [system] arg(_1387908, v('(', ')', end_of_file), y)
   Call: (184) [system] ')'==y
   Call: (184) [system] get_char((0x56051b6b4f40), y)
   Exit: (184) [system] get_char((0x56051b6b4f40), y)
   Call: (184) [system] y=(\)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1392478)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1393412)
   Exit: (185) [system] peek_char((0x56051b6b4f40), p)
^  Call: (185) [user] is_delimiter(p)
   Call: (186) [system] char_type(p, space)
   Call: (186) [system] arg(_1397204, v('(', ')', end_of_file), p)
   Call: (185) [system] ')'==p
   Call: (185) [system] get_char((0x56051b6b4f40), p)
   Exit: (185) [system] get_char((0x56051b6b4f40), p)
   Call: (185) [system] p=(\)
^  Call: (185) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1401774)
   Call: (186) [system] peek_char((0x56051b6b4f40), _1402708)
   Exit: (186) [system] peek_char((0x56051b6b4f40), e)
^  Call: (186) [user] is_delimiter(e)
   Call: (187) [system] char_type(e, space)
   Call: (187) [system] arg(_1406500, v('(', ')', end_of_file), e)
   Call: (186) [system] ')'==e
   Call: (186) [system] get_char((0x56051b6b4f40), e)
   Exit: (186) [system] get_char((0x56051b6b4f40), e)
   Call: (186) [system] e=(\)
^  Call: (186) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1411070)
   Call: (187) [system] peek_char((0x56051b6b4f40), _1412004)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (187) [user] is_delimiter(')')
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] arg(_1415796, v('(', ')', end_of_file), ')')
   Exit: (188) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (187) [user] is_delimiter(')')
   Call: (187) [system] _1411070=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (186) [system] _1401774=[e]
   Exit: (186) [system] [e]=[e]
^  Exit: (185) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (185) [system] _1392478=[p, e]
   Exit: (185) [system] [p, e]=[p, e]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, e])
   Call: (184) [system] _1383182=[y, p, e]
   Exit: (184) [system] [y, p, e]=[y, p, e]
^  Exit: (183) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, p, e])
^  Call: (183) [user] classify_and_convert_charseq('T', [y, p, e], _1362638)
^  Call: (185) [system] setup_call_cleanup('$notrace'(_1430640, _1430642), once(user:catch(read_from_chars(['T', y, p, e], _1362638), _1430616, fail)), '$restore_trace'(_1430640, _1430642))
^  Call: (186) [system] sig_atomic(system:'$notrace'(_1430640, _1430642))
^  Exit: (185) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['T', y, p, e], _1362638), _1430616, fail)), system:'$restore_trace'(3, -1))
   Call: (184) [system] atomic(_1362638)
   Call: (184) [system] atom_chars(_1362638, ['T', y, p, e])
   Exit: (184) [system] atom_chars('Type', ['T', y, p, e])
^  Exit: (183) [user] classify_and_convert_charseq('T', [y, p, e], 'Type')
^  Exit: (182) [user] read_symbolic(')', (0x56051b6b4f40), 'T', 'Type')
^  Exit: (181) [user] cont_sexpr(')', (0x56051b6b4f40), 'Type')
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1439092)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1440950)
   Exit: (183) [system] peek_char((0x56051b6b4f40), ')')
   Call: (183) [system] ')'=(;)
^  Call: (183) [user] is_like_space(')')
   Call: (184) [system] char_type(')', 'white')
   Call: (184) [system] char_type(')', end_of_line)
   Call: (184) [system] char_type(')', space)
   Call: (184) [system] char_type(')', cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1449418)
   Exit: (182) [system] peek_char((0x56051b6b4f40), ')')
   Call: (182) [system] ')'=')'
   Exit: (182) [system] ')'=')'
   Call: (182) [system] get_char((0x56051b6b4f40), _1453208)
   Exit: (182) [system] get_char((0x56051b6b4f40), ')')
   Call: (182) [system] _1439092=[]
   Exit: (182) [system] []=[]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (181) [system] _1338160=['Type']
   Exit: (181) [system] ['Type']=['Type']
^  Exit: (180) [user] read_list(')', (0x56051b6b4f40), ['Type'])
   Call: (180) [system] _1250262=['Nat', 'Type']
   Exit: (180) [system] ['Nat', 'Type']=['Nat', 'Type']
^  Exit: (179) [user] read_list(')', (0x56051b6b4f40), ['Nat', 'Type'])
   Call: (179) [system] _3314=[:, 'Nat', 'Type']
   Exit: (179) [system] [:, 'Nat', 'Type']=[:, 'Nat', 'Type']
^  Exit: (178) [user] read_list(')', (0x56051b6b4f40), [:, 'Nat', 'Type'])
^  Exit: (177) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'Nat', 'Type'])
^  Exit: (176) [user] read_sexpr((0x56051b6b4f40), [:, 'Nat', 'Type'])
^  Call: (176) [user] assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))
^  Exit: (176) [user] assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))
^  Exit: (174) [system] once(user:(read_position((0x56051b6b4f40), 1, 0, 0, '$stream_position'(0, 1, 0, 0)), read_sexpr((0x56051b6b4f40), [:, 'Nat', 'Type']), assertz(metta_file_comment(1, 0, 0, [:, 'Nat', 'Type'], '$stream_position'(0, 1, 0, 0)))))
   Call: (174) [system] fail
^  Call: (174) [user] retract(metta_file_comment(_1471726, _1471728, _1471730, _1471732, _1471734))
^  Exit: (174) [user] retract(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Call: (174) [user] trly(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _3084)
^  Call: (175) [user] once(call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1474566))
^  Call: (176) [user] call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1474566)
^  Call: (177) [user] untyped_to_metta('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1474566)
^  Call: (178) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1477382))
^  Call: (179) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1477382))
^  Call: (180) [user] trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1477382)
^  Call: (181) [user] once(call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1480182))
^  Call: (182) [user] call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1480182)
^  Call: (183) [user] mfix_vars1('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1480182)
   Call: (184) [system] var('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] atom('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==true
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==false
   Call: (184) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==[_1486702, _1486708]
   Call: (184) [system] is_list('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] string('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] compound('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Exit: (184) [system] compound('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1491336, _1491338)
   Exit: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
   Call: (184) [system] '$COMMENT'\=='$VAR'
   Exit: (184) [system] '$COMMENT'\=='$VAR'
^  Call: (184) [user] apply:maplist(mfix_vars1, [";; $kb: a nullary function to axiom", 34, 0], _1495078)
   Call: (185) [apply] apply:maplist_([";; $kb: a nullary function to axiom", 34, 0], _1495078, user:mfix_vars1)
^  Call: (186) [user] mfix_vars1(";; $kb: a nullary function to axiom", _1496958)
   Call: (187) [system] var(";; $kb: a nullary function to axiom")
   Call: (187) [system] atom(";; $kb: a nullary function to axiom")
   Call: (187) [system] ";; $kb: a nullary function to axiom"==true
   Call: (187) [system] ";; $kb: a nullary function to axiom"==false
   Call: (187) [system] ";; $kb: a nullary function to axiom"==[_1501600, _1501606]
   Call: (187) [system] is_list(";; $kb: a nullary function to axiom")
   Call: (187) [system] string(";; $kb: a nullary function to axiom")
   Exit: (187) [system] string(";; $kb: a nullary function to axiom")
^  Call: (187) [user] string_to_syms
   Call: (188) [system] fail
   Call: (187) [system] compound(";; $kb: a nullary function to axiom")
^  Call: (187) [user] symbol(";; $kb: a nullary function to axiom")
   Call: (188) [system] atom(";; $kb: a nullary function to axiom")
   Fail: (188) [system] atom(";; $kb: a nullary function to axiom")
^  Fail: (187) [user] symbol(";; $kb: a nullary function to axiom")
   Call: (187) [system] ";; $kb: a nullary function to axiom"=_1496958
   Exit: (187) [system] ";; $kb: a nullary function to axiom"=";; $kb: a nullary function to axiom"
^  Exit: (186) [user] mfix_vars1(";; $kb: a nullary function to axiom", ";; $kb: a nullary function to axiom")
   Call: (186) [apply] apply:maplist_([34, 0], _1496960, user:mfix_vars1)
^  Call: (187) [user] mfix_vars1(34, _1515480)
   Call: (188) [system] var(34)
   Call: (188) [system] atom(34)
   Call: (188) [system] 34==true
   Call: (188) [system] 34==false
   Call: (188) [system] 34==[_1520122, _1520128]
   Call: (188) [system] is_list(34)
   Call: (188) [system] string(34)
   Call: (188) [system] compound(34)
^  Call: (188) [user] symbol(34)
   Call: (189) [system] atom(34)
   Fail: (189) [system] atom(34)
^  Fail: (188) [user] symbol(34)
   Call: (188) [system] 34=_1515480
   Exit: (188) [system] 34=34
^  Exit: (187) [user] mfix_vars1(34, 34)
   Call: (187) [apply] apply:maplist_([0], _1515482, user:mfix_vars1)
^  Call: (188) [user] mfix_vars1(0, _1531246)
   Call: (189) [system] var(0)
   Call: (189) [system] atom(0)
   Call: (189) [system] 0==true
   Call: (189) [system] 0==false
   Call: (189) [system] 0==[_1535888, _1535894]
   Call: (189) [system] is_list(0)
   Call: (189) [system] string(0)
   Call: (189) [system] compound(0)
^  Call: (189) [user] symbol(0)
   Call: (190) [system] atom(0)
   Fail: (190) [system] atom(0)
^  Fail: (189) [user] symbol(0)
   Call: (189) [system] 0=_1531246
   Exit: (189) [system] 0=0
^  Exit: (188) [user] mfix_vars1(0, 0)
   Call: (188) [apply] apply:maplist_([], _1531248, user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (187) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (186) [apply] apply:maplist_([34, 0], [34, 0], user:mfix_vars1)
   Exit: (185) [apply] apply:maplist_([";; $kb: a nullary function to axiom", 34, 0], [";; $kb: a nullary function to axiom", 34, 0], user:mfix_vars1)
^  Exit: (184) [apply] apply:maplist(user:mfix_vars1, [";; $kb: a nullary function to axiom", 34, 0], [";; $kb: a nullary function to axiom", 34, 0])
   Call: (184) [system] compound_name_arguments(_1480182, '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
   Exit: (184) [system] compound_name_arguments('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT', [";; $kb: a nullary function to axiom", 34, 0])
^  Exit: (183) [user] mfix_vars1('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Call: (178) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1560064))
^  Call: (179) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1560064))
^  Call: (180) [user] trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1560064)
^  Call: (181) [user] once(call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1562864))
^  Call: (182) [user] call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1562864)
^  Call: (183) [user] cons_to_c('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1562864)
^  Call: (184) [user] no_cons_reduce
^  Exit: (184) [user] no_cons_reduce
^  Exit: (183) [user] cons_to_c('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Call: (178) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1474566))
^  Call: (179) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1474566))
^  Call: (180) [user] trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1474566)
^  Call: (181) [user] once(call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1576822))
^  Call: (182) [user] call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1576822)
^  Call: (183) [user] cons_to_l('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), _1576822)
^  Call: (184) [user] no_cons_reduce
^  Exit: (184) [user] no_cons_reduce
^  Exit: (183) [user] cons_to_l('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (182) [system] call(user:cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (181) [system] once(user:call(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (181) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (180) [user] trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (179) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (178) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (177) [user] untyped_to_metta('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (176) [system] call(user:untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (175) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (175) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)\=@='$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)
^  Exit: (174) [user] trly(untyped_to_metta, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)))
   Call: (169) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), nthesize_long_1726792630_1772065, 1)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792630.5743356)
   Call: (173) [system] arg(1, t(1726792630.1734605), _3148)
   Exit: (173) [system] arg(1, t(1726792630.1734605), 1726792630.1734605)
   Call: (173) [system] _3158 is 1726792630.5743356-1726792630.1734605
   Exit: (173) [system] 0.4008750915527344 is 1726792630.5743356-1726792630.1734605
   Call: (173) [system] 0.4008750915527344>4
   Fail: (173) [system] 0.4008750915527344>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 0)
   Call: (175) [system] atom(0+1)
   Call: (175) [system] set_flag(translated_forms, 1)
   Exit: (175) [system] set_flag(translated_forms, 1)
   Exit: (174) [$syspreds] update_flag(translated_forms, 0, 0+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 0, 0+1))
   Exit: (171) [$syspreds] flag(translated_forms, 0, 0+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), nthesize_long_1726792630_1772065, 1)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; $kb: a nullary function to axiom"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; $kb: a nullary function to axiom"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), nthesize_long_1726792630_1772065, 1)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $kb: a nullary function to axiom", 34, 0)), 1]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 0, 0+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), nthesize_long_1726792630_1772065, 1)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 14)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 14))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 14))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1646988)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1654410)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1662748)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1665534=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _1667402, _1667404, _1667406, _1667408), read_sexpr((0x56051b6b4f40), _1667420), assertz(metta_file_comment(_1667402, _1667404, _1667406, _1667420, _1667408))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _1667402, _1667404, _1667406, _1667408)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_1667408))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_1667408))
   Exit: (181) [system] nonvar(position(_1667408))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(337, 15, 0, 337)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(337, 15, 0, 337), _1667402)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1677660)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(337, 15, 0, 337), _1667402)
   Exit: (181) [system] arg(2, '$stream_position'(337, 15, 0, 337), 15)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(337, 15, 0, 337), 15)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(337, 15, 0, 337), _1667404)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1685094)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(337, 15, 0, 337), _1667404)
   Exit: (181) [system] arg(3, '$stream_position'(337, 15, 0, 337), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(337, 15, 0, 337), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(337, 15, 0, 337), _1667406)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1692528)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(337, 15, 0, 337), _1667406)
   Exit: (181) [system] arg(1, '$stream_position'(337, 15, 0, 337), 337)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(337, 15, 0, 337), 337)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 15, 0, 337, '$stream_position'(337, 15, 0, 337))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _1667420)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1667420)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1701830)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1710298)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1667420)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1715868)
   Exit: (183) [system] peek_char((0x56051b6b4f40), :)
   Call: (183) [system] (:)=(;)
^  Call: (183) [user] is_like_space(:)
   Call: (184) [system] char_type(:, 'white')
   Call: (184) [system] char_type(:, end_of_line)
   Call: (184) [system] char_type(:, space)
   Call: (184) [system] char_type(:, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1724336)
   Exit: (182) [system] peek_char((0x56051b6b4f40), :)
   Call: (182) [system] (:)=')'
   Call: (182) [system] (:)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1728050)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1729908)
   Exit: (184) [system] peek_char((0x56051b6b4f40), :)
   Call: (184) [system] (:)=(;)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1738376)
   Exit: (183) [system] get_char((0x56051b6b4f40), :)
   Call: (183) [system] (:)='('
   Call: (183) [system] (:)='['
   Call: (183) [system] (:)='{'
   Call: (183) [system] (:)='"'
   Call: (183) [system] (:)=!
   Call: (183) [system] (:)='\''
   Call: (183) [system] (:)='`'
   Call: (183) [system] (:)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), :, _1728050)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1748594)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1749528)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1748594=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(:, [], _1728050)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1758838, _1758840), once(user:catch(read_from_chars([:], _1728050), _1758814, fail)), '$restore_trace'(_1758838, _1758840))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1758838, _1758840))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1758814, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(:)
   Exit: (185) [system] atomic(:)
^  Exit: (184) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1766338)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1768196)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1775006)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1777710)
   Exit: (185) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (185) [system] 'Z'=(;)
^  Call: (185) [user] is_like_space('Z')
   Call: (186) [system] char_type('Z', 'white')
   Call: (186) [system] char_type('Z', end_of_line)
   Call: (186) [system] char_type('Z', space)
   Call: (186) [system] char_type('Z', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1787102)
   Exit: (183) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (183) [system] 'Z'=')'
   Call: (183) [system] 'Z'=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1790816)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1792674)
   Exit: (185) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (185) [system] 'Z'=(;)
^  Call: (185) [user] is_like_space('Z')
   Call: (186) [system] char_type('Z', 'white')
   Call: (186) [system] char_type('Z', end_of_line)
   Call: (186) [system] char_type('Z', space)
   Call: (186) [system] char_type('Z', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1801142)
   Exit: (184) [system] get_char((0x56051b6b4f40), 'Z')
   Call: (184) [system] 'Z'='('
   Call: (184) [system] 'Z'='['
   Call: (184) [system] 'Z'='{'
   Call: (184) [system] 'Z'='"'
   Call: (184) [system] 'Z'=!
   Call: (184) [system] 'Z'='\''
   Call: (184) [system] 'Z'='`'
   Call: (184) [system] 'Z'=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x56051b6b4f40), 'Z', _1790816)
^  Call: (185) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1811360)
   Call: (186) [system] peek_char((0x56051b6b4f40), _1812294)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _1811360=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (185) [user] classify_and_convert_charseq('Z', [], _1790816)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_1821604, _1821606), once(user:catch(read_from_chars(['Z'], _1790816), _1821580, fail)), '$restore_trace'(_1821604, _1821606))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_1821604, _1821606))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _1790816), _1821580, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(_1790816)
   Call: (186) [system] atom_chars(_1790816, ['Z'])
   Exit: (186) [system] atom_chars('Z', ['Z'])
^  Exit: (185) [user] classify_and_convert_charseq('Z', [], 'Z')
^  Exit: (184) [user] read_symbolic(')', (0x56051b6b4f40), 'Z', 'Z')
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), 'Z')
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _1830056)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1831914)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _1838724)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1841428)
   Exit: (186) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (186) [system] 'N'=(;)
^  Call: (186) [user] is_like_space('N')
   Call: (187) [system] char_type('N', 'white')
   Call: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] char_type('N', space)
   Call: (187) [system] char_type('N', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1850820)
   Exit: (184) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (184) [system] 'N'=')'
   Call: (184) [system] 'N'=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _1854534)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1856392)
   Exit: (186) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (186) [system] 'N'=(;)
^  Call: (186) [user] is_like_space('N')
   Call: (187) [system] char_type('N', 'white')
   Call: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] char_type('N', space)
   Call: (187) [system] char_type('N', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _1864860)
   Exit: (185) [system] get_char((0x56051b6b4f40), 'N')
   Call: (185) [system] 'N'='('
   Call: (185) [system] 'N'='['
   Call: (185) [system] 'N'='{'
   Call: (185) [system] 'N'='"'
   Call: (185) [system] 'N'=!
   Call: (185) [system] 'N'='\''
   Call: (185) [system] 'N'='`'
   Call: (185) [system] 'N'=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x56051b6b4f40), 'N', _1854534)
^  Call: (186) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1875078)
   Call: (187) [system] peek_char((0x56051b6b4f40), _1876012)
   Exit: (187) [system] peek_char((0x56051b6b4f40), a)
^  Call: (187) [user] is_delimiter(a)
   Call: (188) [system] char_type(a, space)
   Call: (188) [system] arg(_1879804, v('(', ')', end_of_file), a)
   Call: (187) [system] ')'==a
   Call: (187) [system] get_char((0x56051b6b4f40), a)
   Exit: (187) [system] get_char((0x56051b6b4f40), a)
   Call: (187) [system] a=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1884374)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1885308)
   Exit: (188) [system] peek_char((0x56051b6b4f40), t)
^  Call: (188) [user] is_delimiter(t)
   Call: (189) [system] char_type(t, space)
   Call: (189) [system] arg(_1889100, v('(', ')', end_of_file), t)
   Call: (188) [system] ')'==t
   Call: (188) [system] get_char((0x56051b6b4f40), t)
   Exit: (188) [system] get_char((0x56051b6b4f40), t)
   Call: (188) [system] t=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1893670)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1894604)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1898396, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1893670=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _1884374=[t]
   Exit: (188) [system] [t]=[t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (187) [system] _1875078=[a, t]
   Exit: (187) [system] [a, t]=[a, t]
^  Exit: (186) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t])
^  Call: (186) [user] classify_and_convert_charseq('N', [a, t], _1854534)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_1910446, _1910448), once(user:catch(read_from_chars(['N', a, t], _1854534), _1910422, fail)), '$restore_trace'(_1910446, _1910448))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_1910446, _1910448))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1854534), _1910422, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(_1854534)
   Call: (187) [system] atom_chars(_1854534, ['N', a, t])
   Exit: (187) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (186) [user] classify_and_convert_charseq('N', [a, t], 'Nat')
^  Exit: (185) [user] read_symbolic(')', (0x56051b6b4f40), 'N', 'Nat')
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), 'Nat')
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1918898)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1920756)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1929224)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1933014)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1918898=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _1830056=['Nat']
   Exit: (184) [system] ['Nat']=['Nat']
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), ['Nat'])
   Call: (183) [system] _1766338=['Z', 'Nat']
   Exit: (183) [system] ['Z', 'Nat']=['Z', 'Nat']
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), ['Z', 'Nat'])
   Call: (182) [system] _1667420=[:, 'Z', 'Nat']
   Exit: (182) [system] [:, 'Z', 'Nat']=[:, 'Z', 'Nat']
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [:, 'Z', 'Nat'])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'Z', 'Nat'])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [:, 'Z', 'Nat'])
^  Call: (179) [user] assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))
^  Exit: (179) [user] assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 15, 0, 337, '$stream_position'(337, 15, 0, 337)), read_sexpr((0x56051b6b4f40), [:, 'Z', 'Nat']), assertz(metta_file_comment(15, 0, 337, [:, 'Z', 'Nat'], '$stream_position'(337, 15, 0, 337)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1951532, _1951534, _1951536, _1951538, _1951540))
^  Exit: (177) [user] retract(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1954372))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1954372)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1954372)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1957188))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1957188))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1957188)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1959988))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1959988)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1959988)
   Call: (187) [system] var('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==[_1966508, _1966514]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1971142, _1971144)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t to non-deterministically pick up", 35, 0], _1974884)
   Call: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up", 35, 0], _1974884, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up", _1976764)
   Call: (190) [system] var(";;\t\t to non-deterministically pick up")
   Call: (190) [system] atom(";;\t\t to non-deterministically pick up")
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==true
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==false
   Call: (190) [system] ";;\t\t to non-deterministically pick up"==[_1981406, _1981412]
   Call: (190) [system] is_list(";;\t\t to non-deterministically pick up")
   Call: (190) [system] string(";;\t\t to non-deterministically pick up")
   Exit: (190) [system] string(";;\t\t to non-deterministically pick up")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t to non-deterministically pick up")
^  Call: (190) [user] symbol(";;\t\t to non-deterministically pick up")
   Call: (191) [system] atom(";;\t\t to non-deterministically pick up")
   Fail: (191) [system] atom(";;\t\t to non-deterministically pick up")
^  Fail: (190) [user] symbol(";;\t\t to non-deterministically pick up")
   Call: (190) [system] ";;\t\t to non-deterministically pick up"=_1976764
   Exit: (190) [system] ";;\t\t to non-deterministically pick up"=";;\t\t to non-deterministically pick up"
^  Exit: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up", ";;\t\t to non-deterministically pick up")
   Call: (189) [apply] apply:maplist_([35, 0], _1976766, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(35, _1995286)
   Call: (191) [system] var(35)
   Call: (191) [system] atom(35)
   Call: (191) [system] 35==true
   Call: (191) [system] 35==false
   Call: (191) [system] 35==[_1999928, _1999934]
   Call: (191) [system] is_list(35)
   Call: (191) [system] string(35)
   Call: (191) [system] compound(35)
^  Call: (191) [user] symbol(35)
   Call: (192) [system] atom(35)
   Fail: (192) [system] atom(35)
^  Fail: (191) [user] symbol(35)
   Call: (191) [system] 35=_1995286
   Exit: (191) [system] 35=35
^  Exit: (190) [user] mfix_vars1(35, 35)
   Call: (190) [apply] apply:maplist_([0], _1995288, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _2011052)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_2015694, _2015700]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_2011052
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _2011054, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([35, 0], [35, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up", 35, 0], [";;\t\t to non-deterministically pick up", 35, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t to non-deterministically pick up", 35, 0], [";;\t\t to non-deterministically pick up", 35, 0])
   Call: (187) [system] compound_name_arguments(_1959988, '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT', [";;\t\t to non-deterministically pick up", 35, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2039870))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2039870))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2039870)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2042670))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2042670)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2042670)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1954372))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1954372))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _1954372)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2056628))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2056628)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), _2056628)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), nthesize_long_1726792630_1772065, 14)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792630.6311462)
   Call: (173) [system] arg(1, t(1726792630.1734605), _3148)
   Exit: (173) [system] arg(1, t(1726792630.1734605), 1726792630.1734605)
   Call: (173) [system] _3158 is 1726792630.6311462-1726792630.1734605
   Exit: (173) [system] 0.4576857089996338 is 1726792630.6311462-1726792630.1734605
   Call: (173) [system] 0.4576857089996338>4
   Fail: (173) [system] 0.4576857089996338>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 1)
   Call: (175) [system] atom(1+1)
   Call: (175) [system] set_flag(translated_forms, 2)
   Exit: (175) [system] set_flag(translated_forms, 2)
   Exit: (174) [$syspreds] update_flag(translated_forms, 1, 1+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 1, 1+1))
   Exit: (171) [$syspreds] flag(translated_forms, 1, 1+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), nthesize_long_1726792630_1772065, 14)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;\t\t to non-deterministically pick up"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;\t\t to non-deterministically pick up"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), nthesize_long_1726792630_1772065, 14)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0)), 14]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 1, 1+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), nthesize_long_1726792630_1772065, 14)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 15)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 15))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 15))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _37750)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _45172)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _53510)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _56296=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _58164, _58166, _58168, _58170), read_sexpr((0x56051b6b4f40), _58182), assertz(metta_file_comment(_58164, _58166, _58168, _58182, _58170))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _58164, _58166, _58168, _58170)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_58170))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_58170))
   Exit: (181) [system] nonvar(position(_58170))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(347, 16, 0, 347)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(347, 16, 0, 347), _58164)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _68422)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(347, 16, 0, 347), _58164)
   Exit: (181) [system] arg(2, '$stream_position'(347, 16, 0, 347), 16)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(347, 16, 0, 347), 16)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(347, 16, 0, 347), _58166)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _75856)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(347, 16, 0, 347), _58166)
   Exit: (181) [system] arg(3, '$stream_position'(347, 16, 0, 347), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(347, 16, 0, 347), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(347, 16, 0, 347), _58168)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _83290)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(347, 16, 0, 347), _58168)
   Exit: (181) [system] arg(1, '$stream_position'(347, 16, 0, 347), 347)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(347, 16, 0, 347), 347)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 16, 0, 347, '$stream_position'(347, 16, 0, 347))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _58182)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _58182)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _92592)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _101060)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _58182)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _106630)
   Exit: (183) [system] peek_char((0x56051b6b4f40), :)
   Call: (183) [system] (:)=(;)
^  Call: (183) [user] is_like_space(:)
   Call: (184) [system] char_type(:, 'white')
   Call: (184) [system] char_type(:, end_of_line)
   Call: (184) [system] char_type(:, space)
   Call: (184) [system] char_type(:, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _115098)
   Exit: (182) [system] peek_char((0x56051b6b4f40), :)
   Call: (182) [system] (:)=')'
   Call: (182) [system] (:)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _118812)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _120670)
   Exit: (184) [system] peek_char((0x56051b6b4f40), :)
   Call: (184) [system] (:)=(;)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _129138)
   Exit: (183) [system] get_char((0x56051b6b4f40), :)
   Call: (183) [system] (:)='('
   Call: (183) [system] (:)='['
   Call: (183) [system] (:)='{'
   Call: (183) [system] (:)='"'
   Call: (183) [system] (:)=!
   Call: (183) [system] (:)='\''
   Call: (183) [system] (:)='`'
   Call: (183) [system] (:)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), :, _118812)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _139356)
   Call: (185) [system] peek_char((0x56051b6b4f40), _140290)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _139356=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(:, [], _118812)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_149600, _149602), once(user:catch(read_from_chars([:], _118812), _149576, fail)), '$restore_trace'(_149600, _149602))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_149600, _149602))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _149576, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(:)
   Exit: (185) [system] atomic(:)
^  Exit: (184) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _157100)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _158958)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _165768)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _168472)
   Exit: (185) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (185) [system] 'S'=(;)
^  Call: (185) [user] is_like_space('S')
   Call: (186) [system] char_type('S', 'white')
   Call: (186) [system] char_type('S', end_of_line)
   Call: (186) [system] char_type('S', space)
   Call: (186) [system] char_type('S', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _177864)
   Exit: (183) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (183) [system] 'S'=')'
   Call: (183) [system] 'S'=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _181578)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _183436)
   Exit: (185) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (185) [system] 'S'=(;)
^  Call: (185) [user] is_like_space('S')
   Call: (186) [system] char_type('S', 'white')
   Call: (186) [system] char_type('S', end_of_line)
   Call: (186) [system] char_type('S', space)
   Call: (186) [system] char_type('S', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _191904)
   Exit: (184) [system] get_char((0x56051b6b4f40), 'S')
   Call: (184) [system] 'S'='('
   Call: (184) [system] 'S'='['
   Call: (184) [system] 'S'='{'
   Call: (184) [system] 'S'='"'
   Call: (184) [system] 'S'=!
   Call: (184) [system] 'S'='\''
   Call: (184) [system] 'S'='`'
   Call: (184) [system] 'S'=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x56051b6b4f40), 'S', _181578)
^  Call: (185) [user] read_symbolic_cont(')', (0x56051b6b4f40), _202122)
   Call: (186) [system] peek_char((0x56051b6b4f40), _203056)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _202122=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (185) [user] classify_and_convert_charseq('S', [], _181578)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_212366, _212368), once(user:catch(read_from_chars(['S'], _181578), _212342, fail)), '$restore_trace'(_212366, _212368))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_212366, _212368))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _181578), _212342, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(_181578)
   Call: (186) [system] atom_chars(_181578, ['S'])
   Exit: (186) [system] atom_chars('S', ['S'])
^  Exit: (185) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (184) [user] read_symbolic(')', (0x56051b6b4f40), 'S', 'S')
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), 'S')
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _220818)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _222676)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _229486)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _232190)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _241582)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _245296)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _247154)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _255622)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _245296)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _261192)
   Exit: (187) [system] peek_char((0x56051b6b4f40), -)
   Call: (187) [system] (-)=(;)
^  Call: (187) [user] is_like_space(-)
   Call: (188) [system] char_type(-, 'white')
   Call: (188) [system] char_type(-, end_of_line)
   Call: (188) [system] char_type(-, space)
   Call: (188) [system] char_type(-, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _269660)
   Exit: (186) [system] peek_char((0x56051b6b4f40), -)
   Call: (186) [system] (-)=')'
   Call: (186) [system] (-)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _273374)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _275232)
   Exit: (188) [system] peek_char((0x56051b6b4f40), -)
   Call: (188) [system] (-)=(;)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _283700)
   Exit: (187) [system] get_char((0x56051b6b4f40), -)
   Call: (187) [system] (-)='('
   Call: (187) [system] (-)='['
   Call: (187) [system] (-)='{'
   Call: (187) [system] (-)='"'
   Call: (187) [system] (-)=!
   Call: (187) [system] (-)='\''
   Call: (187) [system] (-)='`'
   Call: (187) [system] (-)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), -, _273374)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293918)
   Call: (189) [system] peek_char((0x56051b6b4f40), _294852)
   Exit: (189) [system] peek_char((0x56051b6b4f40), >)
^  Call: (189) [user] is_delimiter(>)
   Call: (190) [system] char_type(>, space)
   Call: (190) [system] arg(_298644, v('(', ')', end_of_file), >)
   Call: (189) [system] ')'==(>)
   Call: (189) [system] get_char((0x56051b6b4f40), >)
   Exit: (189) [system] get_char((0x56051b6b4f40), >)
   Call: (189) [system] (>)=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _303214)
   Call: (190) [system] peek_char((0x56051b6b4f40), _304148)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _303214=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (189) [system] _293918=[>]
   Exit: (189) [system] [>]=[>]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (188) [user] classify_and_convert_charseq(-, [>], _273374)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_316252, _316254), once(user:catch(read_from_chars([-, >], _273374), _316228, fail)), '$restore_trace'(_316252, _316254))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_316252, _316254))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _316228, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(->)
   Exit: (189) [system] atomic(->)
^  Exit: (188) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _323752)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _325610)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _332420)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _335124)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (189) [system] 'N'=(;)
^  Call: (189) [user] is_like_space('N')
   Call: (190) [system] char_type('N', 'white')
   Call: (190) [system] char_type('N', end_of_line)
   Call: (190) [system] char_type('N', space)
   Call: (190) [system] char_type('N', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _344516)
   Exit: (187) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (187) [system] 'N'=')'
   Call: (187) [system] 'N'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _348230)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _350088)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (189) [system] 'N'=(;)
^  Call: (189) [user] is_like_space('N')
   Call: (190) [system] char_type('N', 'white')
   Call: (190) [system] char_type('N', end_of_line)
   Call: (190) [system] char_type('N', space)
   Call: (190) [system] char_type('N', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _358556)
   Exit: (188) [system] get_char((0x56051b6b4f40), 'N')
   Call: (188) [system] 'N'='('
   Call: (188) [system] 'N'='['
   Call: (188) [system] 'N'='{'
   Call: (188) [system] 'N'='"'
   Call: (188) [system] 'N'=!
   Call: (188) [system] 'N'='\''
   Call: (188) [system] 'N'='`'
   Call: (188) [system] 'N'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'N', _348230)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _368774)
   Call: (190) [system] peek_char((0x56051b6b4f40), _369708)
   Exit: (190) [system] peek_char((0x56051b6b4f40), a)
^  Call: (190) [user] is_delimiter(a)
   Call: (191) [system] char_type(a, space)
   Call: (191) [system] arg(_373500, v('(', ')', end_of_file), a)
   Call: (190) [system] ')'==a
   Call: (190) [system] get_char((0x56051b6b4f40), a)
   Exit: (190) [system] get_char((0x56051b6b4f40), a)
   Call: (190) [system] a=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _378070)
   Call: (191) [system] peek_char((0x56051b6b4f40), _379004)
   Exit: (191) [system] peek_char((0x56051b6b4f40), t)
^  Call: (191) [user] is_delimiter(t)
   Call: (192) [system] char_type(t, space)
   Call: (192) [system] arg(_382796, v('(', ')', end_of_file), t)
   Call: (191) [system] ')'==t
   Call: (191) [system] get_char((0x56051b6b4f40), t)
   Exit: (191) [system] get_char((0x56051b6b4f40), t)
   Call: (191) [system] t=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _387366)
   Call: (192) [system] peek_char((0x56051b6b4f40), _388300)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _387366=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _378070=[t]
   Exit: (191) [system] [t]=[t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (190) [system] _368774=[a, t]
   Exit: (190) [system] [a, t]=[a, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t])
^  Call: (189) [user] classify_and_convert_charseq('N', [a, t], _348230)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_403198, _403200), once(user:catch(read_from_chars(['N', a, t], _348230), _403174, fail)), '$restore_trace'(_403198, _403200))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_403198, _403200))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _348230), _403174, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_348230)
   Call: (190) [system] atom_chars(_348230, ['N', a, t])
   Exit: (190) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (189) [user] classify_and_convert_charseq('N', [a, t], 'Nat')
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'N', 'Nat')
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), 'Nat')
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _411650)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _413508)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _420318)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _423022)
   Exit: (190) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (190) [system] 'N'=(;)
^  Call: (190) [user] is_like_space('N')
   Call: (191) [system] char_type('N', 'white')
   Call: (191) [system] char_type('N', end_of_line)
   Call: (191) [system] char_type('N', space)
   Call: (191) [system] char_type('N', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _432414)
   Exit: (188) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (188) [system] 'N'=')'
   Call: (188) [system] 'N'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _436128)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _437986)
   Exit: (190) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (190) [system] 'N'=(;)
^  Call: (190) [user] is_like_space('N')
   Call: (191) [system] char_type('N', 'white')
   Call: (191) [system] char_type('N', end_of_line)
   Call: (191) [system] char_type('N', space)
   Call: (191) [system] char_type('N', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _446454)
   Exit: (189) [system] get_char((0x56051b6b4f40), 'N')
   Call: (189) [system] 'N'='('
   Call: (189) [system] 'N'='['
   Call: (189) [system] 'N'='{'
   Call: (189) [system] 'N'='"'
   Call: (189) [system] 'N'=!
   Call: (189) [system] 'N'='\''
   Call: (189) [system] 'N'='`'
   Call: (189) [system] 'N'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), 'N', _436128)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _456672)
   Call: (191) [system] peek_char((0x56051b6b4f40), _457606)
   Exit: (191) [system] peek_char((0x56051b6b4f40), a)
^  Call: (191) [user] is_delimiter(a)
   Call: (192) [system] char_type(a, space)
   Call: (192) [system] arg(_461398, v('(', ')', end_of_file), a)
   Call: (191) [system] ')'==a
   Call: (191) [system] get_char((0x56051b6b4f40), a)
   Exit: (191) [system] get_char((0x56051b6b4f40), a)
   Call: (191) [system] a=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _465968)
   Call: (192) [system] peek_char((0x56051b6b4f40), _466902)
   Exit: (192) [system] peek_char((0x56051b6b4f40), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_470694, v('(', ')', end_of_file), t)
   Call: (192) [system] ')'==t
   Call: (192) [system] get_char((0x56051b6b4f40), t)
   Exit: (192) [system] get_char((0x56051b6b4f40), t)
   Call: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _475264)
   Call: (193) [system] peek_char((0x56051b6b4f40), _476198)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (193) [user] is_delimiter(')')
   Call: (194) [system] char_type(')', space)
   Call: (194) [system] arg(_479990, v('(', ')', end_of_file), ')')
   Exit: (194) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (193) [user] is_delimiter(')')
   Call: (193) [system] _475264=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (192) [system] _465968=[t]
   Exit: (192) [system] [t]=[t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (191) [system] _456672=[a, t]
   Exit: (191) [system] [a, t]=[a, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t])
^  Call: (190) [user] classify_and_convert_charseq('N', [a, t], _436128)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_492040, _492042), once(user:catch(read_from_chars(['N', a, t], _436128), _492016, fail)), '$restore_trace'(_492040, _492042))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_492040, _492042))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _436128), _492016, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_436128)
   Call: (191) [system] atom_chars(_436128, ['N', a, t])
   Exit: (191) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (190) [user] classify_and_convert_charseq('N', [a, t], 'Nat')
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), 'N', 'Nat')
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), 'Nat')
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _500492)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _502350)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _510818)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _514608)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _500492=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _411650=['Nat']
   Exit: (188) [system] ['Nat']=['Nat']
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), ['Nat'])
   Call: (187) [system] _323752=['Nat', 'Nat']
   Exit: (187) [system] ['Nat', 'Nat']=['Nat', 'Nat']
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), ['Nat', 'Nat'])
   Call: (186) [system] _245296=[->, 'Nat', 'Nat']
   Exit: (186) [system] [->, 'Nat', 'Nat']=[->, 'Nat', 'Nat']
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [->, 'Nat', 'Nat'])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [->, 'Nat', 'Nat'])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _528490)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _530348)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _538816)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _542606)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _528490=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _220818=[[->, 'Nat', 'Nat']]
   Exit: (184) [system] [[->, 'Nat', 'Nat']]=[[->, 'Nat', 'Nat']]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[->, 'Nat', 'Nat']])
   Call: (183) [system] _157100=['S', [->, 'Nat', 'Nat']]
   Exit: (183) [system] ['S', [->, 'Nat', 'Nat']]=['S', [->, 'Nat', 'Nat']]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), ['S', [->, 'Nat', 'Nat']])
   Call: (182) [system] _58182=[:, 'S', [->, 'Nat', 'Nat']]
   Exit: (182) [system] [:, 'S', [->, 'Nat', 'Nat']]=[:, 'S', [->, 'Nat', 'Nat']]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [:, 'S', [->, 'Nat', 'Nat']])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'S', [->, 'Nat', 'Nat']])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [:, 'S', [->, 'Nat', 'Nat']])
^  Call: (179) [user] assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))
^  Exit: (179) [user] assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 16, 0, 347, '$stream_position'(347, 16, 0, 347)), read_sexpr((0x56051b6b4f40), [:, 'S', [->, 'Nat', 'Nat']]), assertz(metta_file_comment(16, 0, 347, [:, 'S', [->, 'Nat', 'Nat']], '$stream_position'(347, 16, 0, 347)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_561124, _561126, _561128, _561130, _561132))
^  Exit: (177) [user] retract(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _563972))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _563972)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _563972)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _566788))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _566788))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _566788)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _569588))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _569588)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _569588)
   Call: (187) [system] var('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] atom('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==true
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==false
   Call: (187) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==[_576108, _576114]
   Call: (187) [system] is_list('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] string('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] compound('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _580742, _580744)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], _584484)
   Call: (188) [apply] apply:maplist_([";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], _584484, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _586364)
   Call: (190) [system] var(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==true
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==false
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."==[_591006, _591012]
   Call: (190) [system] is_list(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] string(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Exit: (190) [system] string(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (190) [user] symbol(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (191) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Fail: (191) [system] atom(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Fail: (190) [user] symbol(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=_586364
   Exit: (190) [system] ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."=";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."
^  Exit: (189) [user] mfix_vars1(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (189) [apply] apply:maplist_([36, 0], _586366, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(36, _604886)
   Call: (191) [system] var(36)
   Call: (191) [system] atom(36)
   Call: (191) [system] 36==true
   Call: (191) [system] 36==false
   Call: (191) [system] 36==[_609528, _609534]
   Call: (191) [system] is_list(36)
   Call: (191) [system] string(36)
   Call: (191) [system] compound(36)
^  Call: (191) [user] symbol(36)
   Call: (192) [system] atom(36)
   Fail: (192) [system] atom(36)
^  Fail: (191) [user] symbol(36)
   Call: (191) [system] 36=_604886
   Exit: (191) [system] 36=36
^  Exit: (190) [user] mfix_vars1(36, 36)
   Call: (190) [apply] apply:maplist_([0], _604888, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _620652)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_625294, _625300]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_620652
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _620654, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([36, 0], [36, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0], [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Call: (187) [system] compound_name_arguments(_569588, '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT', [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _649470))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _649470))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _649470)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _652270))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _652270)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _652270)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _563972))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _563972))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _563972)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _666228))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _666228)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), _666228)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (184) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (178) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)\=@='$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)))
   Call: (169) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), nthesize_long_1726792630_1772065, 15)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792630.7150042)
   Call: (173) [system] arg(1, t(1726792630.1734605), _3148)
   Exit: (173) [system] arg(1, t(1726792630.1734605), 1726792630.1734605)
   Call: (173) [system] _3158 is 1726792630.7150042-1726792630.1734605
   Exit: (173) [system] 0.54154372215271 is 1726792630.7150042-1726792630.1734605
   Call: (173) [system] 0.54154372215271>4
   Fail: (173) [system] 0.54154372215271>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 2)
   Call: (175) [system] atom(2+1)
   Call: (175) [system] set_flag(translated_forms, 3)
   Exit: (175) [system] set_flag(translated_forms, 3)
   Exit: (174) [$syspreds] update_flag(translated_forms, 2, 2+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 2, 2+1))
   Exit: (171) [$syspreds] flag(translated_forms, 2, 2+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), nthesize_long_1726792630_1772065, 15)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE)."])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), nthesize_long_1726792630_1772065, 15)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0)), 15]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 2, 2+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), nthesize_long_1726792630_1772065, 15)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 16)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 16))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 16))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _741012)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _748434)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (175) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (176) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (176) [system] peek_char((0x56051b6b4f40), _755856)
   Exit: (176) [system] peek_char((0x56051b6b4f40), ;)
   Call: (176) [system] char_type(;, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (177) [system] string((0x56051b6b4f40))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (178) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (178) [system] peek_char((0x56051b6b4f40), _764194)
   Exit: (178) [system] peek_char((0x56051b6b4f40), ;)
   Call: (178) [system] char_type(;, space)
   Call: (178) [system] _766980=(0x56051b6b4f40)
   Exit: (178) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (178) [user] once((read_position((0x56051b6b4f40), _768848, _768850, _768852, _768854), read_sexpr((0x56051b6b4f40), _768866), assertz(metta_file_comment(_768848, _768850, _768852, _768866, _768854))))
^  Call: (180) [user] read_position((0x56051b6b4f40), _768848, _768850, _768852, _768854)
   Call: (181) [system] stream_property((0x56051b6b4f40), position(_768854))
   Call: (182) [system] nonvar((0x56051b6b4f40))
   Exit: (182) [system] nonvar((0x56051b6b4f40))
   Call: (182) [system] nonvar(position(_768854))
   Exit: (182) [system] nonvar(position(_768854))
   Exit: (181) [system] stream_property((0x56051b6b4f40), position('$stream_position'(367, 18, 0, 367)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), _768848)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _779106)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(367, 18, 0, 367), _768848)
   Exit: (182) [system] arg(2, '$stream_position'(367, 18, 0, 367), 18)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), 18)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), _768850)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _786540)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(367, 18, 0, 367), _768850)
   Exit: (182) [system] arg(3, '$stream_position'(367, 18, 0, 367), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), _768852)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _793974)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(367, 18, 0, 367), _768852)
   Exit: (182) [system] arg(1, '$stream_position'(367, 18, 0, 367), 367)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), 367)
^  Exit: (180) [user] read_position((0x56051b6b4f40), 18, 0, 367, '$stream_position'(367, 18, 0, 367))
^  Call: (180) [user] read_sexpr((0x56051b6b4f40), _768866)
   Call: (181) [system] string((0x56051b6b4f40))
^  Call: (181) [user] cont_sexpr(')', (0x56051b6b4f40), _768866)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _803276)
   Exit: (183) [system] peek_char((0x56051b6b4f40), ;)
   Call: (183) [system] (;)=(;)
   Exit: (183) [system] (;)=(;)
^  Call: (183) [user] read_comment((0x56051b6b4f40))
^  Call: (184) [user] read_position((0x56051b6b4f40), _807914, _807916, _807918, _807920)
   Call: (185) [system] stream_property((0x56051b6b4f40), position(_807920))
   Call: (186) [system] nonvar((0x56051b6b4f40))
   Exit: (186) [system] nonvar((0x56051b6b4f40))
   Call: (186) [system] nonvar(position(_807920))
   Exit: (186) [system] nonvar(position(_807920))
   Exit: (185) [system] stream_property((0x56051b6b4f40), position('$stream_position'(367, 18, 0, 367)))
   Call: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), _807914)
   Call: (186) [system] nonvar(line_count)
   Exit: (186) [system] nonvar(line_count)
   Call: (186) [$syspreds] stream_position_field(line_count, _817208)
   Exit: (186) [$syspreds] stream_position_field(line_count, 2)
   Call: (186) [system] arg(2, '$stream_position'(367, 18, 0, 367), _807914)
   Exit: (186) [system] arg(2, '$stream_position'(367, 18, 0, 367), 18)
   Exit: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(367, 18, 0, 367), 18)
   Call: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), _807916)
   Call: (186) [system] nonvar(line_position)
   Exit: (186) [system] nonvar(line_position)
   Call: (186) [$syspreds] stream_position_field(line_position, _824642)
   Exit: (186) [$syspreds] stream_position_field(line_position, 3)
   Call: (186) [system] arg(3, '$stream_position'(367, 18, 0, 367), _807916)
   Exit: (186) [system] arg(3, '$stream_position'(367, 18, 0, 367), 0)
   Exit: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(367, 18, 0, 367), 0)
   Call: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), _807918)
   Call: (186) [system] nonvar(char_count)
   Exit: (186) [system] nonvar(char_count)
   Call: (186) [$syspreds] stream_position_field(char_count, _832076)
   Exit: (186) [$syspreds] stream_position_field(char_count, 1)
   Call: (186) [system] arg(1, '$stream_position'(367, 18, 0, 367), _807918)
   Exit: (186) [system] arg(1, '$stream_position'(367, 18, 0, 367), 367)
   Exit: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(367, 18, 0, 367), 367)
^  Exit: (184) [user] read_position((0x56051b6b4f40), 18, 0, 367, '$stream_position'(367, 18, 0, 367))
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _837670)
   Call: (185) [system] get_char((0x56051b6b4f40), _838600)
   Exit: (185) [system] get_char((0x56051b6b4f40), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _842314)
   Call: (186) [system] get_char((0x56051b6b4f40), _843244)
   Exit: (186) [system] get_char((0x56051b6b4f40), ;)
   Call: (186) [system] char_type(;, end_of_line)
   Call: (186) [system] (;)=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _846958)
   Call: (187) [system] get_char((0x56051b6b4f40), _847888)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
   Call: (187) [system] char_type(' ', end_of_line)
   Call: (187) [system] ' '=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _851602)
   Call: (188) [system] get_char((0x56051b6b4f40), _852532)
   Exit: (188) [system] get_char((0x56051b6b4f40), 'E')
   Call: (188) [system] char_type('E', end_of_line)
   Call: (188) [system] 'E'=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _856246)
   Call: (189) [system] get_char((0x56051b6b4f40), _857176)
   Exit: (189) [system] get_char((0x56051b6b4f40), n)
   Call: (189) [system] char_type(n, end_of_line)
   Call: (189) [system] n=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _860890)
   Call: (190) [system] get_char((0x56051b6b4f40), _861820)
   Exit: (190) [system] get_char((0x56051b6b4f40), u)
   Call: (190) [system] char_type(u, end_of_line)
   Call: (190) [system] u=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _865534)
   Call: (191) [system] get_char((0x56051b6b4f40), _866464)
   Exit: (191) [system] get_char((0x56051b6b4f40), m)
   Call: (191) [system] char_type(m, end_of_line)
   Call: (191) [system] m=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _870178)
   Call: (192) [system] get_char((0x56051b6b4f40), _871108)
   Exit: (192) [system] get_char((0x56051b6b4f40), e)
   Call: (192) [system] char_type(e, end_of_line)
   Call: (192) [system] e=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _874822)
   Call: (193) [system] get_char((0x56051b6b4f40), _875752)
   Exit: (193) [system] get_char((0x56051b6b4f40), r)
   Call: (193) [system] char_type(r, end_of_line)
   Call: (193) [system] r=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _879466)
   Call: (194) [system] get_char((0x56051b6b4f40), _880396)
   Exit: (194) [system] get_char((0x56051b6b4f40), a)
   Call: (194) [system] char_type(a, end_of_line)
   Call: (194) [system] a=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _884110)
   Call: (195) [system] get_char((0x56051b6b4f40), _885040)
   Exit: (195) [system] get_char((0x56051b6b4f40), t)
   Call: (195) [system] char_type(t, end_of_line)
   Call: (195) [system] t=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _888754)
   Call: (196) [system] get_char((0x56051b6b4f40), _889684)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] char_type(e, end_of_line)
   Call: (196) [system] e=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _893398)
   Call: (197) [system] get_char((0x56051b6b4f40), _894328)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _898042)
   Call: (198) [system] get_char((0x56051b6b4f40), _898972)
   Exit: (198) [system] get_char((0x56051b6b4f40), a)
   Call: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] a=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _902686)
   Call: (199) [system] get_char((0x56051b6b4f40), _903616)
   Exit: (199) [system] get_char((0x56051b6b4f40), l)
   Call: (199) [system] char_type(l, end_of_line)
   Call: (199) [system] l=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _907330)
   Call: (200) [system] get_char((0x56051b6b4f40), _908260)
   Exit: (200) [system] get_char((0x56051b6b4f40), l)
   Call: (200) [system] char_type(l, end_of_line)
   Call: (200) [system] l=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _911974)
   Call: (201) [system] get_char((0x56051b6b4f40), _912904)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _916618)
   Call: (202) [system] get_char((0x56051b6b4f40), _917548)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] char_type(p, end_of_line)
   Call: (202) [system] p=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _921262)
   Call: (203) [system] get_char((0x56051b6b4f40), _922192)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] char_type(r, end_of_line)
   Call: (203) [system] r=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _925906)
   Call: (204) [system] get_char((0x56051b6b4f40), _926836)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] char_type(o, end_of_line)
   Call: (204) [system] o=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _930550)
   Call: (205) [system] get_char((0x56051b6b4f40), _931480)
   Exit: (205) [system] get_char((0x56051b6b4f40), g)
   Call: (205) [system] char_type(g, end_of_line)
   Call: (205) [system] g=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _935194)
   Call: (206) [system] get_char((0x56051b6b4f40), _936124)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] char_type(r, end_of_line)
   Call: (206) [system] r=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _939838)
   Call: (207) [system] get_char((0x56051b6b4f40), _940768)
   Exit: (207) [system] get_char((0x56051b6b4f40), a)
   Call: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] a=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _944482)
   Call: (208) [system] get_char((0x56051b6b4f40), _945412)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] char_type(m, end_of_line)
   Call: (208) [system] m=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _949126)
   Call: (209) [system] get_char((0x56051b6b4f40), _950056)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] char_type(s, end_of_line)
   Call: (209) [system] s=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _953770)
   Call: (210) [system] get_char((0x56051b6b4f40), _954700)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _958414)
   Call: (211) [system] get_char((0x56051b6b4f40), _959344)
   Exit: (211) [system] get_char((0x56051b6b4f40), u)
   Call: (211) [system] char_type(u, end_of_line)
   Call: (211) [system] u=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _963058)
   Call: (212) [system] get_char((0x56051b6b4f40), _963988)
   Exit: (212) [system] get_char((0x56051b6b4f40), p)
   Call: (212) [system] char_type(p, end_of_line)
   Call: (212) [system] p=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _967702)
   Call: (213) [system] get_char((0x56051b6b4f40), _968632)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _972346)
   Call: (214) [system] get_char((0x56051b6b4f40), _973276)
   Exit: (214) [system] get_char((0x56051b6b4f40), t)
   Call: (214) [system] char_type(t, end_of_line)
   Call: (214) [system] t=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _976990)
   Call: (215) [system] get_char((0x56051b6b4f40), _977920)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] char_type(o, end_of_line)
   Call: (215) [system] o=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _981634)
   Call: (216) [system] get_char((0x56051b6b4f40), _982564)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _986278)
   Call: (217) [system] get_char((0x56051b6b4f40), _987208)
   Exit: (217) [system] get_char((0x56051b6b4f40), a)
   Call: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] a=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _990922)
   Call: (218) [system] get_char((0x56051b6b4f40), _991852)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
   Call: (218) [system] char_type(' ', end_of_line)
   Call: (218) [system] ' '=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _995566)
   Call: (219) [system] get_char((0x56051b6b4f40), _996496)
   Exit: (219) [system] get_char((0x56051b6b4f40), g)
   Call: (219) [system] char_type(g, end_of_line)
   Call: (219) [system] g=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1000210)
   Call: (220) [system] get_char((0x56051b6b4f40), _1001140)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] char_type(i, end_of_line)
   Call: (220) [system] i=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1004854)
   Call: (221) [system] get_char((0x56051b6b4f40), _1005784)
   Exit: (221) [system] get_char((0x56051b6b4f40), v)
   Call: (221) [system] char_type(v, end_of_line)
   Call: (221) [system] v=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1009498)
   Call: (222) [system] get_char((0x56051b6b4f40), _1010428)
   Exit: (222) [system] get_char((0x56051b6b4f40), e)
   Call: (222) [system] char_type(e, end_of_line)
   Call: (222) [system] e=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1014142)
   Call: (223) [system] get_char((0x56051b6b4f40), _1015072)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] char_type(n, end_of_line)
   Call: (223) [system] n=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1018786)
   Call: (224) [system] get_char((0x56051b6b4f40), _1019716)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
   Call: (224) [system] char_type(' ', end_of_line)
   Call: (224) [system] ' '=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1023430)
   Call: (225) [system] get_char((0x56051b6b4f40), _1024360)
   Exit: (225) [system] get_char((0x56051b6b4f40), d)
   Call: (225) [system] char_type(d, end_of_line)
   Call: (225) [system] d=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1028074)
   Call: (226) [system] get_char((0x56051b6b4f40), _1029004)
   Exit: (226) [system] get_char((0x56051b6b4f40), e)
   Call: (226) [system] char_type(e, end_of_line)
   Call: (226) [system] e=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1032718)
   Call: (227) [system] get_char((0x56051b6b4f40), _1033648)
   Exit: (227) [system] get_char((0x56051b6b4f40), p)
   Call: (227) [system] char_type(p, end_of_line)
   Call: (227) [system] p=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1037362)
   Call: (228) [system] get_char((0x56051b6b4f40), _1038292)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] char_type(t, end_of_line)
   Call: (228) [system] t=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1042006)
   Call: (229) [system] get_char((0x56051b6b4f40), _1042936)
   Exit: (229) [system] get_char((0x56051b6b4f40), h)
   Call: (229) [system] char_type(h, end_of_line)
   Call: (229) [system] h=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1046650)
   Call: (230) [system] get_char((0x56051b6b4f40), _1047580)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1051294)
   Call: (231) [system] get_char((0x56051b6b4f40), _1052224)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] char_type(t, end_of_line)
   Call: (231) [system] t=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1055938)
   Call: (232) [system] get_char((0x56051b6b4f40), _1056868)
   Exit: (232) [system] get_char((0x56051b6b4f40), h)
   Call: (232) [system] char_type(h, end_of_line)
   Call: (232) [system] h=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1060582)
   Call: (233) [system] get_char((0x56051b6b4f40), _1061512)
   Exit: (233) [system] get_char((0x56051b6b4f40), a)
   Call: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] a=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1065226)
   Call: (234) [system] get_char((0x56051b6b4f40), _1066156)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] char_type(t, end_of_line)
   Call: (234) [system] t=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1069870)
   Call: (235) [system] get_char((0x56051b6b4f40), _1070800)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
   Call: (235) [system] char_type(' ', end_of_line)
   Call: (235) [system] ' '=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1074514)
   Call: (236) [system] get_char((0x56051b6b4f40), _1075444)
   Exit: (236) [system] get_char((0x56051b6b4f40), a)
   Call: (236) [system] char_type(a, end_of_line)
   Call: (236) [system] a=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1079158)
   Call: (237) [system] get_char((0x56051b6b4f40), _1080088)
   Exit: (237) [system] get_char((0x56051b6b4f40), r)
   Call: (237) [system] char_type(r, end_of_line)
   Call: (237) [system] r=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1083802)
   Call: (238) [system] get_char((0x56051b6b4f40), _1084732)
   Exit: (238) [system] get_char((0x56051b6b4f40), e)
   Call: (238) [system] char_type(e, end_of_line)
   Call: (238) [system] e=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1088446)
   Call: (239) [system] get_char((0x56051b6b4f40), _1089376)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
   Call: (239) [system] char_type(' ', end_of_line)
   Call: (239) [system] ' '=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _1093090)
   Call: (240) [system] get_char((0x56051b6b4f40), _1094020)
   Exit: (240) [system] get_char((0x56051b6b4f40), c)
   Call: (240) [system] char_type(c, end_of_line)
   Call: (240) [system] c=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _1097734)
   Call: (241) [system] get_char((0x56051b6b4f40), _1098664)
   Exit: (241) [system] get_char((0x56051b6b4f40), o)
   Call: (241) [system] char_type(o, end_of_line)
   Call: (241) [system] o=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _1102378)
   Call: (242) [system] get_char((0x56051b6b4f40), _1103308)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] char_type(n, end_of_line)
   Call: (242) [system] n=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _1107022)
   Call: (243) [system] get_char((0x56051b6b4f40), _1107952)
   Exit: (243) [system] get_char((0x56051b6b4f40), s)
   Call: (243) [system] char_type(s, end_of_line)
   Call: (243) [system] s=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _1111666)
   Call: (244) [system] get_char((0x56051b6b4f40), _1112596)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] char_type(i, end_of_line)
   Call: (244) [system] i=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _1116310)
   Call: (245) [system] get_char((0x56051b6b4f40), _1117240)
   Exit: (245) [system] get_char((0x56051b6b4f40), s)
   Call: (245) [system] char_type(s, end_of_line)
   Call: (245) [system] s=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _1120954)
   Call: (246) [system] get_char((0x56051b6b4f40), _1121884)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] char_type(t, end_of_line)
   Call: (246) [system] t=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _1125598)
   Call: (247) [system] get_char((0x56051b6b4f40), _1126528)
   Exit: (247) [system] get_char((0x56051b6b4f40), e)
   Call: (247) [system] char_type(e, end_of_line)
   Call: (247) [system] e=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _1130242)
   Call: (248) [system] get_char((0x56051b6b4f40), _1131172)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] char_type(n, end_of_line)
   Call: (248) [system] n=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _1134886)
   Call: (249) [system] get_char((0x56051b6b4f40), _1135816)
   Exit: (249) [system] get_char((0x56051b6b4f40), t)
   Call: (249) [system] char_type(t, end_of_line)
   Call: (249) [system] t=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _1139530)
   Call: (250) [system] get_char((0x56051b6b4f40), _1140460)
   Exit: (250) [system] get_char((0x56051b6b4f40), ' ')
   Call: (250) [system] char_type(' ', end_of_line)
   Call: (250) [system] ' '=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _1144174)
   Call: (251) [system] get_char((0x56051b6b4f40), _1145104)
   Exit: (251) [system] get_char((0x56051b6b4f40), w)
   Call: (251) [system] char_type(w, end_of_line)
   Call: (251) [system] w=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _1148818)
   Call: (252) [system] get_char((0x56051b6b4f40), _1149748)
   Exit: (252) [system] get_char((0x56051b6b4f40), i)
   Call: (252) [system] char_type(i, end_of_line)
   Call: (252) [system] i=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _1153462)
   Call: (253) [system] get_char((0x56051b6b4f40), _1154392)
   Exit: (253) [system] get_char((0x56051b6b4f40), t)
   Call: (253) [system] char_type(t, end_of_line)
   Call: (253) [system] t=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _1158106)
   Call: (254) [system] get_char((0x56051b6b4f40), _1159036)
   Exit: (254) [system] get_char((0x56051b6b4f40), h)
   Call: (254) [system] char_type(h, end_of_line)
   Call: (254) [system] h=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _1162750)
   Call: (255) [system] get_char((0x56051b6b4f40), _1163680)
   Exit: (255) [system] get_char((0x56051b6b4f40), '\n')
   Call: (255) [system] char_type('\n', end_of_line)
   Exit: (255) [system] char_type('\n', end_of_line)
   Call: (255) [system] _1162750=""
   Exit: (255) [system] ""=""
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (254) [system] string_concat(h, "", _1158106)
   Exit: (254) [system] string_concat(h, "", "h")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "h")
   Call: (253) [system] string_concat(t, "h", _1153462)
   Exit: (253) [system] string_concat(t, "h", "th")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), "th")
   Call: (252) [system] string_concat(i, "th", _1148818)
   Exit: (252) [system] string_concat(i, "th", "ith")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), "ith")
   Call: (251) [system] string_concat(w, "ith", _1144174)
   Exit: (251) [system] string_concat(w, "ith", "with")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "with")
   Call: (250) [system] string_concat(' ', "with", _1139530)
   Exit: (250) [system] string_concat(' ', "with", " with")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), " with")
   Call: (249) [system] string_concat(t, " with", _1134886)
   Exit: (249) [system] string_concat(t, " with", "t with")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "t with")
   Call: (248) [system] string_concat(n, "t with", _1130242)
   Exit: (248) [system] string_concat(n, "t with", "nt with")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "nt with")
   Call: (247) [system] string_concat(e, "nt with", _1125598)
   Exit: (247) [system] string_concat(e, "nt with", "ent with")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "ent with")
   Call: (246) [system] string_concat(t, "ent with", _1120954)
   Exit: (246) [system] string_concat(t, "ent with", "tent with")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "tent with")
   Call: (245) [system] string_concat(s, "tent with", _1116310)
   Exit: (245) [system] string_concat(s, "tent with", "stent with")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "stent with")
   Call: (244) [system] string_concat(i, "stent with", _1111666)
   Exit: (244) [system] string_concat(i, "stent with", "istent with")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "istent with")
   Call: (243) [system] string_concat(s, "istent with", _1107022)
   Exit: (243) [system] string_concat(s, "istent with", "sistent with")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "sistent with")
   Call: (242) [system] string_concat(n, "sistent with", _1102378)
   Exit: (242) [system] string_concat(n, "sistent with", "nsistent with")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "nsistent with")
   Call: (241) [system] string_concat(o, "nsistent with", _1097734)
   Exit: (241) [system] string_concat(o, "nsistent with", "onsistent with")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "onsistent with")
   Call: (240) [system] string_concat(c, "onsistent with", _1093090)
   Exit: (240) [system] string_concat(c, "onsistent with", "consistent with")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "consistent with")
   Call: (239) [system] string_concat(' ', "consistent with", _1088446)
   Exit: (239) [system] string_concat(' ', "consistent with", " consistent with")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), " consistent with")
   Call: (238) [system] string_concat(e, " consistent with", _1083802)
   Exit: (238) [system] string_concat(e, " consistent with", "e consistent with")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "e consistent with")
   Call: (237) [system] string_concat(r, "e consistent with", _1079158)
   Exit: (237) [system] string_concat(r, "e consistent with", "re consistent with")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "re consistent with")
   Call: (236) [system] string_concat(a, "re consistent with", _1074514)
   Exit: (236) [system] string_concat(a, "re consistent with", "are consistent with")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "are consistent with")
   Call: (235) [system] string_concat(' ', "are consistent with", _1069870)
   Exit: (235) [system] string_concat(' ', "are consistent with", " are consistent with")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), " are consistent with")
   Call: (234) [system] string_concat(t, " are consistent with", _1065226)
   Exit: (234) [system] string_concat(t, " are consistent with", "t are consistent with")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "t are consistent with")
   Call: (233) [system] string_concat(a, "t are consistent with", _1060582)
   Exit: (233) [system] string_concat(a, "t are consistent with", "at are consistent with")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "at are consistent with")
   Call: (232) [system] string_concat(h, "at are consistent with", _1055938)
   Exit: (232) [system] string_concat(h, "at are consistent with", "hat are consistent with")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "hat are consistent with")
   Call: (231) [system] string_concat(t, "hat are consistent with", _1051294)
   Exit: (231) [system] string_concat(t, "hat are consistent with", "that are consistent with")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "that are consistent with")
   Call: (230) [system] string_concat(' ', "that are consistent with", _1046650)
   Exit: (230) [system] string_concat(' ', "that are consistent with", " that are consistent with")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), " that are consistent with")
   Call: (229) [system] string_concat(h, " that are consistent with", _1042006)
   Exit: (229) [system] string_concat(h, " that are consistent with", "h that are consistent with")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "h that are consistent with")
   Call: (228) [system] string_concat(t, "h that are consistent with", _1037362)
   Exit: (228) [system] string_concat(t, "h that are consistent with", "th that are consistent with")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "th that are consistent with")
   Call: (227) [system] string_concat(p, "th that are consistent with", _1032718)
   Exit: (227) [system] string_concat(p, "th that are consistent with", "pth that are consistent with")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "pth that are consistent with")
   Call: (226) [system] string_concat(e, "pth that are consistent with", _1028074)
   Exit: (226) [system] string_concat(e, "pth that are consistent with", "epth that are consistent with")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "epth that are consistent with")
   Call: (225) [system] string_concat(d, "epth that are consistent with", _1023430)
   Exit: (225) [system] string_concat(d, "epth that are consistent with", "depth that are consistent with")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "depth that are consistent with")
   Call: (224) [system] string_concat(' ', "depth that are consistent with", _1018786)
   Exit: (224) [system] string_concat(' ', "depth that are consistent with", " depth that are consistent with")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), " depth that are consistent with")
   Call: (223) [system] string_concat(n, " depth that are consistent with", _1014142)
   Exit: (223) [system] string_concat(n, " depth that are consistent with", "n depth that are consistent with")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "n depth that are consistent with")
   Call: (222) [system] string_concat(e, "n depth that are consistent with", _1009498)
   Exit: (222) [system] string_concat(e, "n depth that are consistent with", "en depth that are consistent with")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "en depth that are consistent with")
   Call: (221) [system] string_concat(v, "en depth that are consistent with", _1004854)
   Exit: (221) [system] string_concat(v, "en depth that are consistent with", "ven depth that are consistent with")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "ven depth that are consistent with")
   Call: (220) [system] string_concat(i, "ven depth that are consistent with", _1000210)
   Exit: (220) [system] string_concat(i, "ven depth that are consistent with", "iven depth that are consistent with")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "iven depth that are consistent with")
   Call: (219) [system] string_concat(g, "iven depth that are consistent with", _995566)
   Exit: (219) [system] string_concat(g, "iven depth that are consistent with", "given depth that are consistent with")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "given depth that are consistent with")
   Call: (218) [system] string_concat(' ', "given depth that are consistent with", _990922)
   Exit: (218) [system] string_concat(' ', "given depth that are consistent with", " given depth that are consistent with")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), " given depth that are consistent with")
   Call: (217) [system] string_concat(a, " given depth that are consistent with", _986278)
   Exit: (217) [system] string_concat(a, " given depth that are consistent with", "a given depth that are consistent with")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "a given depth that are consistent with")
   Call: (216) [system] string_concat(' ', "a given depth that are consistent with", _981634)
   Exit: (216) [system] string_concat(' ', "a given depth that are consistent with", " a given depth that are consistent with")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), " a given depth that are consistent with")
   Call: (215) [system] string_concat(o, " a given depth that are consistent with", _976990)
   Exit: (215) [system] string_concat(o, " a given depth that are consistent with", "o a given depth that are consistent with")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "o a given depth that are consistent with")
   Call: (214) [system] string_concat(t, "o a given depth that are consistent with", _972346)
   Exit: (214) [system] string_concat(t, "o a given depth that are consistent with", "to a given depth that are consistent with")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "to a given depth that are consistent with")
   Call: (213) [system] string_concat(' ', "to a given depth that are consistent with", _967702)
   Exit: (213) [system] string_concat(' ', "to a given depth that are consistent with", " to a given depth that are consistent with")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), " to a given depth that are consistent with")
   Call: (212) [system] string_concat(p, " to a given depth that are consistent with", _963058)
   Exit: (212) [system] string_concat(p, " to a given depth that are consistent with", "p to a given depth that are consistent with")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "p to a given depth that are consistent with")
   Call: (211) [system] string_concat(u, "p to a given depth that are consistent with", _958414)
   Exit: (211) [system] string_concat(u, "p to a given depth that are consistent with", "up to a given depth that are consistent with")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "up to a given depth that are consistent with")
   Call: (210) [system] string_concat(' ', "up to a given depth that are consistent with", _953770)
   Exit: (210) [system] string_concat(' ', "up to a given depth that are consistent with", " up to a given depth that are consistent with")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), " up to a given depth that are consistent with")
   Call: (209) [system] string_concat(s, " up to a given depth that are consistent with", _949126)
   Exit: (209) [system] string_concat(s, " up to a given depth that are consistent with", "s up to a given depth that are consistent with")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "s up to a given depth that are consistent with")
   Call: (208) [system] string_concat(m, "s up to a given depth that are consistent with", _944482)
   Exit: (208) [system] string_concat(m, "s up to a given depth that are consistent with", "ms up to a given depth that are consistent with")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "ms up to a given depth that are consistent with")
   Call: (207) [system] string_concat(a, "ms up to a given depth that are consistent with", _939838)
   Exit: (207) [system] string_concat(a, "ms up to a given depth that are consistent with", "ams up to a given depth that are consistent with")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "ams up to a given depth that are consistent with")
   Call: (206) [system] string_concat(r, "ams up to a given depth that are consistent with", _935194)
   Exit: (206) [system] string_concat(r, "ams up to a given depth that are consistent with", "rams up to a given depth that are consistent with")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "rams up to a given depth that are consistent with")
   Call: (205) [system] string_concat(g, "rams up to a given depth that are consistent with", _930550)
   Exit: (205) [system] string_concat(g, "rams up to a given depth that are consistent with", "grams up to a given depth that are consistent with")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "grams up to a given depth that are consistent with")
   Call: (204) [system] string_concat(o, "grams up to a given depth that are consistent with", _925906)
   Exit: (204) [system] string_concat(o, "grams up to a given depth that are consistent with", "ograms up to a given depth that are consistent with")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "ograms up to a given depth that are consistent with")
   Call: (203) [system] string_concat(r, "ograms up to a given depth that are consistent with", _921262)
   Exit: (203) [system] string_concat(r, "ograms up to a given depth that are consistent with", "rograms up to a given depth that are consistent with")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "rograms up to a given depth that are consistent with")
   Call: (202) [system] string_concat(p, "rograms up to a given depth that are consistent with", _916618)
   Exit: (202) [system] string_concat(p, "rograms up to a given depth that are consistent with", "programs up to a given depth that are consistent with")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "programs up to a given depth that are consistent with")
   Call: (201) [system] string_concat(' ', "programs up to a given depth that are consistent with", _911974)
   Exit: (201) [system] string_concat(' ', "programs up to a given depth that are consistent with", " programs up to a given depth that are consistent with")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), " programs up to a given depth that are consistent with")
   Call: (200) [system] string_concat(l, " programs up to a given depth that are consistent with", _907330)
   Exit: (200) [system] string_concat(l, " programs up to a given depth that are consistent with", "l programs up to a given depth that are consistent with")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "l programs up to a given depth that are consistent with")
   Call: (199) [system] string_concat(l, "l programs up to a given depth that are consistent with", _902686)
   Exit: (199) [system] string_concat(l, "l programs up to a given depth that are consistent with", "ll programs up to a given depth that are consistent with")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "ll programs up to a given depth that are consistent with")
   Call: (198) [system] string_concat(a, "ll programs up to a given depth that are consistent with", _898042)
   Exit: (198) [system] string_concat(a, "ll programs up to a given depth that are consistent with", "all programs up to a given depth that are consistent with")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "all programs up to a given depth that are consistent with")
   Call: (197) [system] string_concat(' ', "all programs up to a given depth that are consistent with", _893398)
   Exit: (197) [system] string_concat(' ', "all programs up to a given depth that are consistent with", " all programs up to a given depth that are consistent with")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), " all programs up to a given depth that are consistent with")
   Call: (196) [system] string_concat(e, " all programs up to a given depth that are consistent with", _888754)
   Exit: (196) [system] string_concat(e, " all programs up to a given depth that are consistent with", "e all programs up to a given depth that are consistent with")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "e all programs up to a given depth that are consistent with")
   Call: (195) [system] string_concat(t, "e all programs up to a given depth that are consistent with", _884110)
   Exit: (195) [system] string_concat(t, "e all programs up to a given depth that are consistent with", "te all programs up to a given depth that are consistent with")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "te all programs up to a given depth that are consistent with")
   Call: (194) [system] string_concat(a, "te all programs up to a given depth that are consistent with", _879466)
   Exit: (194) [system] string_concat(a, "te all programs up to a given depth that are consistent with", "ate all programs up to a given depth that are consistent with")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "ate all programs up to a given depth that are consistent with")
   Call: (193) [system] string_concat(r, "ate all programs up to a given depth that are consistent with", _874822)
   Exit: (193) [system] string_concat(r, "ate all programs up to a given depth that are consistent with", "rate all programs up to a given depth that are consistent with")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "rate all programs up to a given depth that are consistent with")
   Call: (192) [system] string_concat(e, "rate all programs up to a given depth that are consistent with", _870178)
   Exit: (192) [system] string_concat(e, "rate all programs up to a given depth that are consistent with", "erate all programs up to a given depth that are consistent with")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "erate all programs up to a given depth that are consistent with")
   Call: (191) [system] string_concat(m, "erate all programs up to a given depth that are consistent with", _865534)
   Exit: (191) [system] string_concat(m, "erate all programs up to a given depth that are consistent with", "merate all programs up to a given depth that are consistent with")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "merate all programs up to a given depth that are consistent with")
   Call: (190) [system] string_concat(u, "merate all programs up to a given depth that are consistent with", _860890)
   Exit: (190) [system] string_concat(u, "merate all programs up to a given depth that are consistent with", "umerate all programs up to a given depth that are consistent with")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "umerate all programs up to a given depth that are consistent with")
   Call: (189) [system] string_concat(n, "umerate all programs up to a given depth that are consistent with", _856246)
   Exit: (189) [system] string_concat(n, "umerate all programs up to a given depth that are consistent with", "numerate all programs up to a given depth that are consistent with")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "numerate all programs up to a given depth that are consistent with")
   Call: (188) [system] string_concat('E', "numerate all programs up to a given depth that are consistent with", _851602)
   Exit: (188) [system] string_concat('E', "numerate all programs up to a given depth that are consistent with", "Enumerate all programs up to a given depth that are consistent with")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "Enumerate all programs up to a given depth that are consistent with")
   Call: (187) [system] string_concat(' ', "Enumerate all programs up to a given depth that are consistent with", _846958)
   Exit: (187) [system] string_concat(' ', "Enumerate all programs up to a given depth that are consistent with", " Enumerate all programs up to a given depth that are consistent with")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), " Enumerate all programs up to a given depth that are consistent with")
   Call: (186) [system] string_concat(;, " Enumerate all programs up to a given depth that are consistent with", _842314)
   Exit: (186) [system] string_concat(;, " Enumerate all programs up to a given depth that are consistent with", "; Enumerate all programs up to a given depth that are consistent with")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), "; Enumerate all programs up to a given depth that are consistent with")
   Call: (185) [system] string_concat(;, "; Enumerate all programs up to a given depth that are consistent with", _837670)
   Exit: (185) [system] string_concat(;, "; Enumerate all programs up to a given depth that are consistent with", ";; Enumerate all programs up to a given depth that are consistent with")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), ";; Enumerate all programs up to a given depth that are consistent with")
^  Call: (184) [user] assertz(metta_file_comment(18, 0, 367, '$COMMENT'(";; Enumerate all programs up to a given depth that are consistent with", 18, 0), '$stream_position'(367, 18, 0, 367)))
^  Exit: (184) [user] assertz(metta_file_comment(18, 0, 367, '$COMMENT'(";; Enumerate all programs up to a given depth that are consistent with", 18, 0), '$stream_position'(367, 18, 0, 367)))
^  Exit: (183) [user] read_comment((0x56051b6b4f40))
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1370348)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ;)
   Call: (184) [system] (;)=(;)
   Exit: (184) [system] (;)=(;)
^  Call: (184) [user] read_comment((0x56051b6b4f40))
^  Call: (185) [user] read_position((0x56051b6b4f40), _1374986, _1374988, _1374990, _1374992)
   Call: (186) [system] stream_property((0x56051b6b4f40), position(_1374992))
   Call: (187) [system] nonvar((0x56051b6b4f40))
   Exit: (187) [system] nonvar((0x56051b6b4f40))
   Call: (187) [system] nonvar(position(_1374992))
   Exit: (187) [system] nonvar(position(_1374992))
   Exit: (186) [system] stream_property((0x56051b6b4f40), position('$stream_position'(438, 19, 0, 438)))
   Call: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(438, 19, 0, 438), _1374986)
   Call: (187) [system] nonvar(line_count)
   Exit: (187) [system] nonvar(line_count)
   Call: (187) [$syspreds] stream_position_field(line_count, _1384280)
   Exit: (187) [$syspreds] stream_position_field(line_count, 2)
   Call: (187) [system] arg(2, '$stream_position'(438, 19, 0, 438), _1374986)
   Exit: (187) [system] arg(2, '$stream_position'(438, 19, 0, 438), 19)
   Exit: (186) [$syspreds] stream_position_data(line_count, '$stream_position'(438, 19, 0, 438), 19)
   Call: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(438, 19, 0, 438), _1374988)
   Call: (187) [system] nonvar(line_position)
   Exit: (187) [system] nonvar(line_position)
   Call: (187) [$syspreds] stream_position_field(line_position, _1391714)
   Exit: (187) [$syspreds] stream_position_field(line_position, 3)
   Call: (187) [system] arg(3, '$stream_position'(438, 19, 0, 438), _1374988)
   Exit: (187) [system] arg(3, '$stream_position'(438, 19, 0, 438), 0)
   Exit: (186) [$syspreds] stream_position_data(line_position, '$stream_position'(438, 19, 0, 438), 0)
   Call: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(438, 19, 0, 438), _1374990)
   Call: (187) [system] nonvar(char_count)
   Exit: (187) [system] nonvar(char_count)
   Call: (187) [$syspreds] stream_position_field(char_count, _1399148)
   Exit: (187) [$syspreds] stream_position_field(char_count, 1)
   Call: (187) [system] arg(1, '$stream_position'(438, 19, 0, 438), _1374990)
   Exit: (187) [system] arg(1, '$stream_position'(438, 19, 0, 438), 438)
   Exit: (186) [$syspreds] stream_position_data(char_count, '$stream_position'(438, 19, 0, 438), 438)
^  Exit: (185) [user] read_position((0x56051b6b4f40), 19, 0, 438, '$stream_position'(438, 19, 0, 438))
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1404742)
   Call: (186) [system] get_char((0x56051b6b4f40), _1405672)
   Exit: (186) [system] get_char((0x56051b6b4f40), ;)
   Call: (186) [system] char_type(;, end_of_line)
   Call: (186) [system] (;)=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1409386)
   Call: (187) [system] get_char((0x56051b6b4f40), _1410316)
   Exit: (187) [system] get_char((0x56051b6b4f40), ;)
   Call: (187) [system] char_type(;, end_of_line)
   Call: (187) [system] (;)=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1414030)
   Call: (188) [system] get_char((0x56051b6b4f40), _1414960)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
   Call: (188) [system] char_type(' ', end_of_line)
   Call: (188) [system] ' '=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1418674)
   Call: (189) [system] get_char((0x56051b6b4f40), _1419604)
   Exit: (189) [system] get_char((0x56051b6b4f40), t)
   Call: (189) [system] char_type(t, end_of_line)
   Call: (189) [system] t=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1423318)
   Call: (190) [system] get_char((0x56051b6b4f40), _1424248)
   Exit: (190) [system] get_char((0x56051b6b4f40), h)
   Call: (190) [system] char_type(h, end_of_line)
   Call: (190) [system] h=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1427962)
   Call: (191) [system] get_char((0x56051b6b4f40), _1428892)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] char_type(e, end_of_line)
   Call: (191) [system] e=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1432606)
   Call: (192) [system] get_char((0x56051b6b4f40), _1433536)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
   Call: (192) [system] char_type(' ', end_of_line)
   Call: (192) [system] ' '=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1437250)
   Call: (193) [system] get_char((0x56051b6b4f40), _1438180)
   Exit: (193) [system] get_char((0x56051b6b4f40), q)
   Call: (193) [system] char_type(q, end_of_line)
   Call: (193) [system] q=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1441894)
   Call: (194) [system] get_char((0x56051b6b4f40), _1442824)
   Exit: (194) [system] get_char((0x56051b6b4f40), u)
   Call: (194) [system] char_type(u, end_of_line)
   Call: (194) [system] u=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1446538)
   Call: (195) [system] get_char((0x56051b6b4f40), _1447468)
   Exit: (195) [system] get_char((0x56051b6b4f40), e)
   Call: (195) [system] char_type(e, end_of_line)
   Call: (195) [system] e=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1451182)
   Call: (196) [system] get_char((0x56051b6b4f40), _1452112)
   Exit: (196) [system] get_char((0x56051b6b4f40), r)
   Call: (196) [system] char_type(r, end_of_line)
   Call: (196) [system] r=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1455826)
   Call: (197) [system] get_char((0x56051b6b4f40), _1456756)
   Exit: (197) [system] get_char((0x56051b6b4f40), y)
   Call: (197) [system] char_type(y, end_of_line)
   Call: (197) [system] y=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1460470)
   Call: (198) [system] get_char((0x56051b6b4f40), _1461400)
   Exit: (198) [system] get_char((0x56051b6b4f40), '\n')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
   Call: (198) [system] _1460470=""
   Exit: (198) [system] ""=""
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (197) [system] string_concat(y, "", _1455826)
   Exit: (197) [system] string_concat(y, "", "y")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "y")
   Call: (196) [system] string_concat(r, "y", _1451182)
   Exit: (196) [system] string_concat(r, "y", "ry")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "ry")
   Call: (195) [system] string_concat(e, "ry", _1446538)
   Exit: (195) [system] string_concat(e, "ry", "ery")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "ery")
   Call: (194) [system] string_concat(u, "ery", _1441894)
   Exit: (194) [system] string_concat(u, "ery", "uery")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "uery")
   Call: (193) [system] string_concat(q, "uery", _1437250)
   Exit: (193) [system] string_concat(q, "uery", "query")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "query")
   Call: (192) [system] string_concat(' ', "query", _1432606)
   Exit: (192) [system] string_concat(' ', "query", " query")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), " query")
   Call: (191) [system] string_concat(e, " query", _1427962)
   Exit: (191) [system] string_concat(e, " query", "e query")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "e query")
   Call: (190) [system] string_concat(h, "e query", _1423318)
   Exit: (190) [system] string_concat(h, "e query", "he query")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "he query")
   Call: (189) [system] string_concat(t, "he query", _1418674)
   Exit: (189) [system] string_concat(t, "he query", "the query")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "the query")
   Call: (188) [system] string_concat(' ', "the query", _1414030)
   Exit: (188) [system] string_concat(' ', "the query", " the query")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), " the query")
   Call: (187) [system] string_concat(;, " the query", _1409386)
   Exit: (187) [system] string_concat(;, " the query", "; the query")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), "; the query")
   Call: (186) [system] string_concat(;, "; the query", _1404742)
   Exit: (186) [system] string_concat(;, "; the query", ";; the query")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), ";; the query")
^  Call: (185) [user] assertz(metta_file_comment(19, 0, 438, '$COMMENT'(";; the query", 19, 0), '$stream_position'(438, 19, 0, 438)))
^  Exit: (185) [user] assertz(metta_file_comment(19, 0, 438, '$COMMENT'(";; the query", 19, 0), '$stream_position'(438, 19, 0, 438)))
^  Exit: (184) [user] read_comment((0x56051b6b4f40))
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1505220)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ;)
   Call: (185) [system] (;)=(;)
   Exit: (185) [system] (;)=(;)
^  Call: (185) [user] read_comment((0x56051b6b4f40))
^  Call: (186) [user] read_position((0x56051b6b4f40), _1509858, _1509860, _1509862, _1509864)
   Call: (187) [system] stream_property((0x56051b6b4f40), position(_1509864))
   Call: (188) [system] nonvar((0x56051b6b4f40))
   Exit: (188) [system] nonvar((0x56051b6b4f40))
   Call: (188) [system] nonvar(position(_1509864))
   Exit: (188) [system] nonvar(position(_1509864))
   Exit: (187) [system] stream_property((0x56051b6b4f40), position('$stream_position'(451, 20, 0, 451)))
   Call: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(451, 20, 0, 451), _1509858)
   Call: (188) [system] nonvar(line_count)
   Exit: (188) [system] nonvar(line_count)
   Call: (188) [$syspreds] stream_position_field(line_count, _1519152)
   Exit: (188) [$syspreds] stream_position_field(line_count, 2)
   Call: (188) [system] arg(2, '$stream_position'(451, 20, 0, 451), _1509858)
   Exit: (188) [system] arg(2, '$stream_position'(451, 20, 0, 451), 20)
   Exit: (187) [$syspreds] stream_position_data(line_count, '$stream_position'(451, 20, 0, 451), 20)
   Call: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(451, 20, 0, 451), _1509860)
   Call: (188) [system] nonvar(line_position)
   Exit: (188) [system] nonvar(line_position)
   Call: (188) [$syspreds] stream_position_field(line_position, _1526586)
   Exit: (188) [$syspreds] stream_position_field(line_position, 3)
   Call: (188) [system] arg(3, '$stream_position'(451, 20, 0, 451), _1509860)
   Exit: (188) [system] arg(3, '$stream_position'(451, 20, 0, 451), 0)
   Exit: (187) [$syspreds] stream_position_data(line_position, '$stream_position'(451, 20, 0, 451), 0)
   Call: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(451, 20, 0, 451), _1509862)
   Call: (188) [system] nonvar(char_count)
   Exit: (188) [system] nonvar(char_count)
   Call: (188) [$syspreds] stream_position_field(char_count, _1534020)
   Exit: (188) [$syspreds] stream_position_field(char_count, 1)
   Call: (188) [system] arg(1, '$stream_position'(451, 20, 0, 451), _1509862)
   Exit: (188) [system] arg(1, '$stream_position'(451, 20, 0, 451), 451)
   Exit: (187) [$syspreds] stream_position_data(char_count, '$stream_position'(451, 20, 0, 451), 451)
^  Exit: (186) [user] read_position((0x56051b6b4f40), 20, 0, 451, '$stream_position'(451, 20, 0, 451))
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1539614)
   Call: (187) [system] get_char((0x56051b6b4f40), _1540544)
   Exit: (187) [system] get_char((0x56051b6b4f40), ;)
   Call: (187) [system] char_type(;, end_of_line)
   Call: (187) [system] (;)=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1544258)
   Call: (188) [system] get_char((0x56051b6b4f40), _1545188)
   Exit: (188) [system] get_char((0x56051b6b4f40), ;)
   Call: (188) [system] char_type(;, end_of_line)
   Call: (188) [system] (;)=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1548902)
   Call: (189) [system] get_char((0x56051b6b4f40), _1549832)
   Exit: (189) [system] get_char((0x56051b6b4f40), '\t')
   Call: (189) [system] char_type('\t', end_of_line)
   Call: (189) [system] '\t'=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1553546)
   Call: (190) [system] get_char((0x56051b6b4f40), _1554476)
   Exit: (190) [system] get_char((0x56051b6b4f40), '\t')
   Call: (190) [system] char_type('\t', end_of_line)
   Call: (190) [system] '\t'=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1558190)
   Call: (191) [system] get_char((0x56051b6b4f40), _1559120)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
   Call: (191) [system] char_type(' ', end_of_line)
   Call: (191) [system] ' '=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1562834)
   Call: (192) [system] get_char((0x56051b6b4f40), _1563764)
   Exit: (192) [system] get_char((0x56051b6b4f40), u)
   Call: (192) [system] char_type(u, end_of_line)
   Call: (192) [system] u=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1567478)
   Call: (193) [system] get_char((0x56051b6b4f40), _1568408)
   Exit: (193) [system] get_char((0x56051b6b4f40), s)
   Call: (193) [system] char_type(s, end_of_line)
   Call: (193) [system] s=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1572122)
   Call: (194) [system] get_char((0x56051b6b4f40), _1573052)
   Exit: (194) [system] get_char((0x56051b6b4f40), i)
   Call: (194) [system] char_type(i, end_of_line)
   Call: (194) [system] i=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1576766)
   Call: (195) [system] get_char((0x56051b6b4f40), _1577696)
   Exit: (195) [system] get_char((0x56051b6b4f40), n)
   Call: (195) [system] char_type(n, end_of_line)
   Call: (195) [system] n=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1581410)
   Call: (196) [system] get_char((0x56051b6b4f40), _1582340)
   Exit: (196) [system] get_char((0x56051b6b4f40), g)
   Call: (196) [system] char_type(g, end_of_line)
   Call: (196) [system] g=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1586054)
   Call: (197) [system] get_char((0x56051b6b4f40), _1586984)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1590698)
   Call: (198) [system] get_char((0x56051b6b4f40), _1591628)
   Exit: (198) [system] get_char((0x56051b6b4f40), t)
   Call: (198) [system] char_type(t, end_of_line)
   Call: (198) [system] t=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1595342)
   Call: (199) [system] get_char((0x56051b6b4f40), _1596272)
   Exit: (199) [system] get_char((0x56051b6b4f40), h)
   Call: (199) [system] char_type(h, end_of_line)
   Call: (199) [system] h=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1599986)
   Call: (200) [system] get_char((0x56051b6b4f40), _1600916)
   Exit: (200) [system] get_char((0x56051b6b4f40), e)
   Call: (200) [system] char_type(e, end_of_line)
   Call: (200) [system] e=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1604630)
   Call: (201) [system] get_char((0x56051b6b4f40), _1605560)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1609274)
   Call: (202) [system] get_char((0x56051b6b4f40), _1610204)
   Exit: (202) [system] get_char((0x56051b6b4f40), g)
   Call: (202) [system] char_type(g, end_of_line)
   Call: (202) [system] g=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _1613918)
   Call: (203) [system] get_char((0x56051b6b4f40), _1614848)
   Exit: (203) [system] get_char((0x56051b6b4f40), i)
   Call: (203) [system] char_type(i, end_of_line)
   Call: (203) [system] i=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1618562)
   Call: (204) [system] get_char((0x56051b6b4f40), _1619492)
   Exit: (204) [system] get_char((0x56051b6b4f40), v)
   Call: (204) [system] char_type(v, end_of_line)
   Call: (204) [system] v=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1623206)
   Call: (205) [system] get_char((0x56051b6b4f40), _1624136)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] char_type(e, end_of_line)
   Call: (205) [system] e=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1627850)
   Call: (206) [system] get_char((0x56051b6b4f40), _1628780)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] char_type(n, end_of_line)
   Call: (206) [system] n=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1632494)
   Call: (207) [system] get_char((0x56051b6b4f40), _1633424)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _1637138)
   Call: (208) [system] get_char((0x56051b6b4f40), _1638068)
   Exit: (208) [system] get_char((0x56051b6b4f40), a)
   Call: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] a=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _1641782)
   Call: (209) [system] get_char((0x56051b6b4f40), _1642712)
   Exit: (209) [system] get_char((0x56051b6b4f40), x)
   Call: (209) [system] char_type(x, end_of_line)
   Call: (209) [system] x=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _1646426)
   Call: (210) [system] get_char((0x56051b6b4f40), _1647356)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] char_type(i, end_of_line)
   Call: (210) [system] i=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1651070)
   Call: (211) [system] get_char((0x56051b6b4f40), _1652000)
   Exit: (211) [system] get_char((0x56051b6b4f40), o)
   Call: (211) [system] char_type(o, end_of_line)
   Call: (211) [system] o=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1655714)
   Call: (212) [system] get_char((0x56051b6b4f40), _1656644)
   Exit: (212) [system] get_char((0x56051b6b4f40), m)
   Call: (212) [system] char_type(m, end_of_line)
   Call: (212) [system] m=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1660358)
   Call: (213) [system] get_char((0x56051b6b4f40), _1661288)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1665002)
   Call: (214) [system] get_char((0x56051b6b4f40), _1665932)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] char_type(n, end_of_line)
   Call: (214) [system] n=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1669646)
   Call: (215) [system] get_char((0x56051b6b4f40), _1670576)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] char_type(o, end_of_line)
   Call: (215) [system] o=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1674290)
   Call: (216) [system] get_char((0x56051b6b4f40), _1675220)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] char_type(n, end_of_line)
   Call: (216) [system] n=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1678934)
   Call: (217) [system] get_char((0x56051b6b4f40), _1679864)
   Exit: (217) [system] get_char((0x56051b6b4f40), -)
   Call: (217) [system] char_type(-, end_of_line)
   Call: (217) [system] (-)=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1683578)
   Call: (218) [system] get_char((0x56051b6b4f40), _1684508)
   Exit: (218) [system] get_char((0x56051b6b4f40), d)
   Call: (218) [system] char_type(d, end_of_line)
   Call: (218) [system] d=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1688222)
   Call: (219) [system] get_char((0x56051b6b4f40), _1689152)
   Exit: (219) [system] get_char((0x56051b6b4f40), e)
   Call: (219) [system] char_type(e, end_of_line)
   Call: (219) [system] e=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1692866)
   Call: (220) [system] get_char((0x56051b6b4f40), _1693796)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] char_type(t, end_of_line)
   Call: (220) [system] t=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1697510)
   Call: (221) [system] get_char((0x56051b6b4f40), _1698440)
   Exit: (221) [system] get_char((0x56051b6b4f40), e)
   Call: (221) [system] char_type(e, end_of_line)
   Call: (221) [system] e=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1702154)
   Call: (222) [system] get_char((0x56051b6b4f40), _1703084)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] char_type(r, end_of_line)
   Call: (222) [system] r=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1706798)
   Call: (223) [system] get_char((0x56051b6b4f40), _1707728)
   Exit: (223) [system] get_char((0x56051b6b4f40), m)
   Call: (223) [system] char_type(m, end_of_line)
   Call: (223) [system] m=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1711442)
   Call: (224) [system] get_char((0x56051b6b4f40), _1712372)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] char_type(i, end_of_line)
   Call: (224) [system] i=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1716086)
   Call: (225) [system] get_char((0x56051b6b4f40), _1717016)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] char_type(n, end_of_line)
   Call: (225) [system] n=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1720730)
   Call: (226) [system] get_char((0x56051b6b4f40), _1721660)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] char_type(i, end_of_line)
   Call: (226) [system] i=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1725374)
   Call: (227) [system] get_char((0x56051b6b4f40), _1726304)
   Exit: (227) [system] get_char((0x56051b6b4f40), s)
   Call: (227) [system] char_type(s, end_of_line)
   Call: (227) [system] s=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1730018)
   Call: (228) [system] get_char((0x56051b6b4f40), _1730948)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] char_type(t, end_of_line)
   Call: (228) [system] t=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1734662)
   Call: (229) [system] get_char((0x56051b6b4f40), _1735592)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] char_type(i, end_of_line)
   Call: (229) [system] i=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1739306)
   Call: (230) [system] get_char((0x56051b6b4f40), _1740236)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] char_type(c, end_of_line)
   Call: (230) [system] c=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1743950)
   Call: (231) [system] get_char((0x56051b6b4f40), _1744880)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1748594)
   Call: (232) [system] get_char((0x56051b6b4f40), _1749524)
   Exit: (232) [system] get_char((0x56051b6b4f40), f)
   Call: (232) [system] char_type(f, end_of_line)
   Call: (232) [system] f=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1753238)
   Call: (233) [system] get_char((0x56051b6b4f40), _1754168)
   Exit: (233) [system] get_char((0x56051b6b4f40), u)
   Call: (233) [system] char_type(u, end_of_line)
   Call: (233) [system] u=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1757882)
   Call: (234) [system] get_char((0x56051b6b4f40), _1758812)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] char_type(n, end_of_line)
   Call: (234) [system] n=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1762526)
   Call: (235) [system] get_char((0x56051b6b4f40), _1763456)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] char_type(c, end_of_line)
   Call: (235) [system] c=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1767170)
   Call: (236) [system] get_char((0x56051b6b4f40), _1768100)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] char_type(t, end_of_line)
   Call: (236) [system] t=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1771814)
   Call: (237) [system] get_char((0x56051b6b4f40), _1772744)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] char_type(i, end_of_line)
   Call: (237) [system] i=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1776458)
   Call: (238) [system] get_char((0x56051b6b4f40), _1777388)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] char_type(o, end_of_line)
   Call: (238) [system] o=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1781102)
   Call: (239) [system] get_char((0x56051b6b4f40), _1782032)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] char_type(n, end_of_line)
   Call: (239) [system] n=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _1785746)
   Call: (240) [system] get_char((0x56051b6b4f40), _1786676)
   Exit: (240) [system] get_char((0x56051b6b4f40), s)
   Call: (240) [system] char_type(s, end_of_line)
   Call: (240) [system] s=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _1790390)
   Call: (241) [system] get_char((0x56051b6b4f40), _1791320)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
   Call: (241) [system] char_type(' ', end_of_line)
   Call: (241) [system] ' '=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _1795034)
   Call: (242) [system] get_char((0x56051b6b4f40), _1795964)
   Exit: (242) [system] get_char((0x56051b6b4f40), a)
   Call: (242) [system] char_type(a, end_of_line)
   Call: (242) [system] a=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _1799678)
   Call: (243) [system] get_char((0x56051b6b4f40), _1800608)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] char_type(n, end_of_line)
   Call: (243) [system] n=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _1804322)
   Call: (244) [system] get_char((0x56051b6b4f40), _1805252)
   Exit: (244) [system] get_char((0x56051b6b4f40), d)
   Call: (244) [system] char_type(d, end_of_line)
   Call: (244) [system] d=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _1808966)
   Call: (245) [system] get_char((0x56051b6b4f40), _1809896)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
   Call: (245) [system] char_type(' ', end_of_line)
   Call: (245) [system] ' '=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _1813610)
   Call: (246) [system] get_char((0x56051b6b4f40), _1814540)
   Exit: (246) [system] get_char((0x56051b6b4f40), r)
   Call: (246) [system] char_type(r, end_of_line)
   Call: (246) [system] r=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _1818254)
   Call: (247) [system] get_char((0x56051b6b4f40), _1819184)
   Exit: (247) [system] get_char((0x56051b6b4f40), u)
   Call: (247) [system] char_type(u, end_of_line)
   Call: (247) [system] u=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _1822898)
   Call: (248) [system] get_char((0x56051b6b4f40), _1823828)
   Exit: (248) [system] get_char((0x56051b6b4f40), l)
   Call: (248) [system] char_type(l, end_of_line)
   Call: (248) [system] l=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _1827542)
   Call: (249) [system] get_char((0x56051b6b4f40), _1828472)
   Exit: (249) [system] get_char((0x56051b6b4f40), e)
   Call: (249) [system] char_type(e, end_of_line)
   Call: (249) [system] e=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _1832186)
   Call: (250) [system] get_char((0x56051b6b4f40), _1833116)
   Exit: (250) [system] get_char((0x56051b6b4f40), s)
   Call: (250) [system] char_type(s, end_of_line)
   Call: (250) [system] s=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _1836830)
   Call: (251) [system] get_char((0x56051b6b4f40), _1837760)
   Exit: (251) [system] get_char((0x56051b6b4f40), '.')
   Call: (251) [system] char_type('.', end_of_line)
   Call: (251) [system] ('.')=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _1841474)
   Call: (252) [system] get_char((0x56051b6b4f40), _1842404)
   Exit: (252) [system] get_char((0x56051b6b4f40), '\n')
   Call: (252) [system] char_type('\n', end_of_line)
   Exit: (252) [system] char_type('\n', end_of_line)
   Call: (252) [system] _1841474=""
   Exit: (252) [system] ""=""
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (251) [system] string_concat('.', "", _1836830)
   Exit: (251) [system] string_concat('.', "", ".")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), ".")
   Call: (250) [system] string_concat(s, ".", _1832186)
   Exit: (250) [system] string_concat(s, ".", "s.")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "s.")
   Call: (249) [system] string_concat(e, "s.", _1827542)
   Exit: (249) [system] string_concat(e, "s.", "es.")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "es.")
   Call: (248) [system] string_concat(l, "es.", _1822898)
   Exit: (248) [system] string_concat(l, "es.", "les.")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "les.")
   Call: (247) [system] string_concat(u, "les.", _1818254)
   Exit: (247) [system] string_concat(u, "les.", "ules.")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "ules.")
   Call: (246) [system] string_concat(r, "ules.", _1813610)
   Exit: (246) [system] string_concat(r, "ules.", "rules.")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "rules.")
   Call: (245) [system] string_concat(' ', "rules.", _1808966)
   Exit: (245) [system] string_concat(' ', "rules.", " rules.")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), " rules.")
   Call: (244) [system] string_concat(d, " rules.", _1804322)
   Exit: (244) [system] string_concat(d, " rules.", "d rules.")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "d rules.")
   Call: (243) [system] string_concat(n, "d rules.", _1799678)
   Exit: (243) [system] string_concat(n, "d rules.", "nd rules.")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "nd rules.")
   Call: (242) [system] string_concat(a, "nd rules.", _1795034)
   Exit: (242) [system] string_concat(a, "nd rules.", "and rules.")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "and rules.")
   Call: (241) [system] string_concat(' ', "and rules.", _1790390)
   Exit: (241) [system] string_concat(' ', "and rules.", " and rules.")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), " and rules.")
   Call: (240) [system] string_concat(s, " and rules.", _1785746)
   Exit: (240) [system] string_concat(s, " and rules.", "s and rules.")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "s and rules.")
   Call: (239) [system] string_concat(n, "s and rules.", _1781102)
   Exit: (239) [system] string_concat(n, "s and rules.", "ns and rules.")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "ns and rules.")
   Call: (238) [system] string_concat(o, "ns and rules.", _1776458)
   Exit: (238) [system] string_concat(o, "ns and rules.", "ons and rules.")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "ons and rules.")
   Call: (237) [system] string_concat(i, "ons and rules.", _1771814)
   Exit: (237) [system] string_concat(i, "ons and rules.", "ions and rules.")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "ions and rules.")
   Call: (236) [system] string_concat(t, "ions and rules.", _1767170)
   Exit: (236) [system] string_concat(t, "ions and rules.", "tions and rules.")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "tions and rules.")
   Call: (235) [system] string_concat(c, "tions and rules.", _1762526)
   Exit: (235) [system] string_concat(c, "tions and rules.", "ctions and rules.")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "ctions and rules.")
   Call: (234) [system] string_concat(n, "ctions and rules.", _1757882)
   Exit: (234) [system] string_concat(n, "ctions and rules.", "nctions and rules.")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "nctions and rules.")
   Call: (233) [system] string_concat(u, "nctions and rules.", _1753238)
   Exit: (233) [system] string_concat(u, "nctions and rules.", "unctions and rules.")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "unctions and rules.")
   Call: (232) [system] string_concat(f, "unctions and rules.", _1748594)
   Exit: (232) [system] string_concat(f, "unctions and rules.", "functions and rules.")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "functions and rules.")
   Call: (231) [system] string_concat(' ', "functions and rules.", _1743950)
   Exit: (231) [system] string_concat(' ', "functions and rules.", " functions and rules.")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), " functions and rules.")
   Call: (230) [system] string_concat(c, " functions and rules.", _1739306)
   Exit: (230) [system] string_concat(c, " functions and rules.", "c functions and rules.")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "c functions and rules.")
   Call: (229) [system] string_concat(i, "c functions and rules.", _1734662)
   Exit: (229) [system] string_concat(i, "c functions and rules.", "ic functions and rules.")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "ic functions and rules.")
   Call: (228) [system] string_concat(t, "ic functions and rules.", _1730018)
   Exit: (228) [system] string_concat(t, "ic functions and rules.", "tic functions and rules.")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "tic functions and rules.")
   Call: (227) [system] string_concat(s, "tic functions and rules.", _1725374)
   Exit: (227) [system] string_concat(s, "tic functions and rules.", "stic functions and rules.")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "stic functions and rules.")
   Call: (226) [system] string_concat(i, "stic functions and rules.", _1720730)
   Exit: (226) [system] string_concat(i, "stic functions and rules.", "istic functions and rules.")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "istic functions and rules.")
   Call: (225) [system] string_concat(n, "istic functions and rules.", _1716086)
   Exit: (225) [system] string_concat(n, "istic functions and rules.", "nistic functions and rules.")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "nistic functions and rules.")
   Call: (224) [system] string_concat(i, "nistic functions and rules.", _1711442)
   Exit: (224) [system] string_concat(i, "nistic functions and rules.", "inistic functions and rules.")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "inistic functions and rules.")
   Call: (223) [system] string_concat(m, "inistic functions and rules.", _1706798)
   Exit: (223) [system] string_concat(m, "inistic functions and rules.", "ministic functions and rules.")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "ministic functions and rules.")
   Call: (222) [system] string_concat(r, "ministic functions and rules.", _1702154)
   Exit: (222) [system] string_concat(r, "ministic functions and rules.", "rministic functions and rules.")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "rministic functions and rules.")
   Call: (221) [system] string_concat(e, "rministic functions and rules.", _1697510)
   Exit: (221) [system] string_concat(e, "rministic functions and rules.", "erministic functions and rules.")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "erministic functions and rules.")
   Call: (220) [system] string_concat(t, "erministic functions and rules.", _1692866)
   Exit: (220) [system] string_concat(t, "erministic functions and rules.", "terministic functions and rules.")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "terministic functions and rules.")
   Call: (219) [system] string_concat(e, "terministic functions and rules.", _1688222)
   Exit: (219) [system] string_concat(e, "terministic functions and rules.", "eterministic functions and rules.")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "eterministic functions and rules.")
   Call: (218) [system] string_concat(d, "eterministic functions and rules.", _1683578)
   Exit: (218) [system] string_concat(d, "eterministic functions and rules.", "deterministic functions and rules.")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "deterministic functions and rules.")
   Call: (217) [system] string_concat(-, "deterministic functions and rules.", _1678934)
   Exit: (217) [system] string_concat(-, "deterministic functions and rules.", "-deterministic functions and rules.")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "-deterministic functions and rules.")
   Call: (216) [system] string_concat(n, "-deterministic functions and rules.", _1674290)
   Exit: (216) [system] string_concat(n, "-deterministic functions and rules.", "n-deterministic functions and rules.")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "n-deterministic functions and rules.")
   Call: (215) [system] string_concat(o, "n-deterministic functions and rules.", _1669646)
   Exit: (215) [system] string_concat(o, "n-deterministic functions and rules.", "on-deterministic functions and rules.")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "on-deterministic functions and rules.")
   Call: (214) [system] string_concat(n, "on-deterministic functions and rules.", _1665002)
   Exit: (214) [system] string_concat(n, "on-deterministic functions and rules.", "non-deterministic functions and rules.")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "non-deterministic functions and rules.")
   Call: (213) [system] string_concat(' ', "non-deterministic functions and rules.", _1660358)
   Exit: (213) [system] string_concat(' ', "non-deterministic functions and rules.", " non-deterministic functions and rules.")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), " non-deterministic functions and rules.")
   Call: (212) [system] string_concat(m, " non-deterministic functions and rules.", _1655714)
   Exit: (212) [system] string_concat(m, " non-deterministic functions and rules.", "m non-deterministic functions and rules.")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "m non-deterministic functions and rules.")
   Call: (211) [system] string_concat(o, "m non-deterministic functions and rules.", _1651070)
   Exit: (211) [system] string_concat(o, "m non-deterministic functions and rules.", "om non-deterministic functions and rules.")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "om non-deterministic functions and rules.")
   Call: (210) [system] string_concat(i, "om non-deterministic functions and rules.", _1646426)
   Exit: (210) [system] string_concat(i, "om non-deterministic functions and rules.", "iom non-deterministic functions and rules.")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "iom non-deterministic functions and rules.")
   Call: (209) [system] string_concat(x, "iom non-deterministic functions and rules.", _1641782)
   Exit: (209) [system] string_concat(x, "iom non-deterministic functions and rules.", "xiom non-deterministic functions and rules.")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "xiom non-deterministic functions and rules.")
   Call: (208) [system] string_concat(a, "xiom non-deterministic functions and rules.", _1637138)
   Exit: (208) [system] string_concat(a, "xiom non-deterministic functions and rules.", "axiom non-deterministic functions and rules.")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "axiom non-deterministic functions and rules.")
   Call: (207) [system] string_concat(' ', "axiom non-deterministic functions and rules.", _1632494)
   Exit: (207) [system] string_concat(' ', "axiom non-deterministic functions and rules.", " axiom non-deterministic functions and rules.")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), " axiom non-deterministic functions and rules.")
   Call: (206) [system] string_concat(n, " axiom non-deterministic functions and rules.", _1627850)
   Exit: (206) [system] string_concat(n, " axiom non-deterministic functions and rules.", "n axiom non-deterministic functions and rules.")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "n axiom non-deterministic functions and rules.")
   Call: (205) [system] string_concat(e, "n axiom non-deterministic functions and rules.", _1623206)
   Exit: (205) [system] string_concat(e, "n axiom non-deterministic functions and rules.", "en axiom non-deterministic functions and rules.")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "en axiom non-deterministic functions and rules.")
   Call: (204) [system] string_concat(v, "en axiom non-deterministic functions and rules.", _1618562)
   Exit: (204) [system] string_concat(v, "en axiom non-deterministic functions and rules.", "ven axiom non-deterministic functions and rules.")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "ven axiom non-deterministic functions and rules.")
   Call: (203) [system] string_concat(i, "ven axiom non-deterministic functions and rules.", _1613918)
   Exit: (203) [system] string_concat(i, "ven axiom non-deterministic functions and rules.", "iven axiom non-deterministic functions and rules.")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "iven axiom non-deterministic functions and rules.")
   Call: (202) [system] string_concat(g, "iven axiom non-deterministic functions and rules.", _1609274)
   Exit: (202) [system] string_concat(g, "iven axiom non-deterministic functions and rules.", "given axiom non-deterministic functions and rules.")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "given axiom non-deterministic functions and rules.")
   Call: (201) [system] string_concat(' ', "given axiom non-deterministic functions and rules.", _1604630)
   Exit: (201) [system] string_concat(' ', "given axiom non-deterministic functions and rules.", " given axiom non-deterministic functions and rules.")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), " given axiom non-deterministic functions and rules.")
   Call: (200) [system] string_concat(e, " given axiom non-deterministic functions and rules.", _1599986)
   Exit: (200) [system] string_concat(e, " given axiom non-deterministic functions and rules.", "e given axiom non-deterministic functions and rules.")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "e given axiom non-deterministic functions and rules.")
   Call: (199) [system] string_concat(h, "e given axiom non-deterministic functions and rules.", _1595342)
   Exit: (199) [system] string_concat(h, "e given axiom non-deterministic functions and rules.", "he given axiom non-deterministic functions and rules.")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "he given axiom non-deterministic functions and rules.")
   Call: (198) [system] string_concat(t, "he given axiom non-deterministic functions and rules.", _1590698)
   Exit: (198) [system] string_concat(t, "he given axiom non-deterministic functions and rules.", "the given axiom non-deterministic functions and rules.")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "the given axiom non-deterministic functions and rules.")
   Call: (197) [system] string_concat(' ', "the given axiom non-deterministic functions and rules.", _1586054)
   Exit: (197) [system] string_concat(' ', "the given axiom non-deterministic functions and rules.", " the given axiom non-deterministic functions and rules.")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), " the given axiom non-deterministic functions and rules.")
   Call: (196) [system] string_concat(g, " the given axiom non-deterministic functions and rules.", _1581410)
   Exit: (196) [system] string_concat(g, " the given axiom non-deterministic functions and rules.", "g the given axiom non-deterministic functions and rules.")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "g the given axiom non-deterministic functions and rules.")
   Call: (195) [system] string_concat(n, "g the given axiom non-deterministic functions and rules.", _1576766)
   Exit: (195) [system] string_concat(n, "g the given axiom non-deterministic functions and rules.", "ng the given axiom non-deterministic functions and rules.")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "ng the given axiom non-deterministic functions and rules.")
   Call: (194) [system] string_concat(i, "ng the given axiom non-deterministic functions and rules.", _1572122)
   Exit: (194) [system] string_concat(i, "ng the given axiom non-deterministic functions and rules.", "ing the given axiom non-deterministic functions and rules.")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "ing the given axiom non-deterministic functions and rules.")
   Call: (193) [system] string_concat(s, "ing the given axiom non-deterministic functions and rules.", _1567478)
   Exit: (193) [system] string_concat(s, "ing the given axiom non-deterministic functions and rules.", "sing the given axiom non-deterministic functions and rules.")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "sing the given axiom non-deterministic functions and rules.")
   Call: (192) [system] string_concat(u, "sing the given axiom non-deterministic functions and rules.", _1562834)
   Exit: (192) [system] string_concat(u, "sing the given axiom non-deterministic functions and rules.", "using the given axiom non-deterministic functions and rules.")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "using the given axiom non-deterministic functions and rules.")
   Call: (191) [system] string_concat(' ', "using the given axiom non-deterministic functions and rules.", _1558190)
   Exit: (191) [system] string_concat(' ', "using the given axiom non-deterministic functions and rules.", " using the given axiom non-deterministic functions and rules.")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), " using the given axiom non-deterministic functions and rules.")
   Call: (190) [system] string_concat('\t', " using the given axiom non-deterministic functions and rules.", _1553546)
   Exit: (190) [system] string_concat('\t', " using the given axiom non-deterministic functions and rules.", "\t using the given axiom non-deterministic functions and rules.")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "\t using the given axiom non-deterministic functions and rules.")
   Call: (189) [system] string_concat('\t', "\t using the given axiom non-deterministic functions and rules.", _1548902)
   Exit: (189) [system] string_concat('\t', "\t using the given axiom non-deterministic functions and rules.", "\t\t using the given axiom non-deterministic functions and rules.")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "\t\t using the given axiom non-deterministic functions and rules.")
   Call: (188) [system] string_concat(;, "\t\t using the given axiom non-deterministic functions and rules.", _1544258)
   Exit: (188) [system] string_concat(;, "\t\t using the given axiom non-deterministic functions and rules.", ";\t\t using the given axiom non-deterministic functions and rules.")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), ";\t\t using the given axiom non-deterministic functions and rules.")
   Call: (187) [system] string_concat(;, ";\t\t using the given axiom non-deterministic functions and rules.", _1539614)
   Exit: (187) [system] string_concat(;, ";\t\t using the given axiom non-deterministic functions and rules.", ";;\t\t using the given axiom non-deterministic functions and rules.")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), ";;\t\t using the given axiom non-deterministic functions and rules.")
^  Call: (186) [user] assertz(metta_file_comment(20, 0, 451, '$COMMENT'(";;\t\t using the given axiom non-deterministic functions and rules.", 20, 0), '$stream_position'(451, 20, 0, 451)))
^  Exit: (186) [user] assertz(metta_file_comment(20, 0, 451, '$COMMENT'(";;\t\t using the given axiom non-deterministic functions and rules.", 20, 0), '$stream_position'(451, 20, 0, 451)))
^  Exit: (185) [user] read_comment((0x56051b6b4f40))
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2035002)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ;)
   Call: (186) [system] (;)=(;)
   Exit: (186) [system] (;)=(;)
^  Call: (186) [user] read_comment((0x56051b6b4f40))
^  Call: (187) [user] read_position((0x56051b6b4f40), _2039640, _2039642, _2039644, _2039646)
   Call: (188) [system] stream_property((0x56051b6b4f40), position(_2039646))
   Call: (189) [system] nonvar((0x56051b6b4f40))
   Exit: (189) [system] nonvar((0x56051b6b4f40))
   Call: (189) [system] nonvar(position(_2039646))
   Exit: (189) [system] nonvar(position(_2039646))
   Exit: (188) [system] stream_property((0x56051b6b4f40), position('$stream_position'(517, 21, 0, 517)))
   Call: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(517, 21, 0, 517), _2039640)
   Call: (189) [system] nonvar(line_count)
   Exit: (189) [system] nonvar(line_count)
   Call: (189) [$syspreds] stream_position_field(line_count, _2048934)
   Exit: (189) [$syspreds] stream_position_field(line_count, 2)
   Call: (189) [system] arg(2, '$stream_position'(517, 21, 0, 517), _2039640)
   Exit: (189) [system] arg(2, '$stream_position'(517, 21, 0, 517), 21)
   Exit: (188) [$syspreds] stream_position_data(line_count, '$stream_position'(517, 21, 0, 517), 21)
   Call: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(517, 21, 0, 517), _2039642)
   Call: (189) [system] nonvar(line_position)
   Exit: (189) [system] nonvar(line_position)
   Call: (189) [$syspreds] stream_position_field(line_position, _2056368)
   Exit: (189) [$syspreds] stream_position_field(line_position, 3)
   Call: (189) [system] arg(3, '$stream_position'(517, 21, 0, 517), _2039642)
   Exit: (189) [system] arg(3, '$stream_position'(517, 21, 0, 517), 0)
   Exit: (188) [$syspreds] stream_position_data(line_position, '$stream_position'(517, 21, 0, 517), 0)
   Call: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(517, 21, 0, 517), _2039644)
   Call: (189) [system] nonvar(char_count)
   Exit: (189) [system] nonvar(char_count)
   Call: (189) [$syspreds] stream_position_field(char_count, _2063802)
   Exit: (189) [$syspreds] stream_position_field(char_count, 1)
   Call: (189) [system] arg(1, '$stream_position'(517, 21, 0, 517), _2039644)
   Exit: (189) [system] arg(1, '$stream_position'(517, 21, 0, 517), 517)
   Exit: (188) [$syspreds] stream_position_data(char_count, '$stream_position'(517, 21, 0, 517), 517)
^  Exit: (187) [user] read_position((0x56051b6b4f40), 21, 0, 517, '$stream_position'(517, 21, 0, 517))
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _2069396)
   Call: (188) [system] get_char((0x56051b6b4f40), _2070326)
   Exit: (188) [system] get_char((0x56051b6b4f40), ;)
   Call: (188) [system] char_type(;, end_of_line)
   Call: (188) [system] (;)=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _2074040)
   Call: (189) [system] get_char((0x56051b6b4f40), _2074970)
   Exit: (189) [system] get_char((0x56051b6b4f40), ;)
   Call: (189) [system] char_type(;, end_of_line)
   Call: (189) [system] (;)=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _2078684)
   Call: (190) [system] get_char((0x56051b6b4f40), _2079614)
   Exit: (190) [system] get_char((0x56051b6b4f40), '\n')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
   Call: (190) [system] _2078684=""
   Exit: (190) [system] ""=""
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (189) [system] string_concat(;, "", _2074040)
   Exit: (189) [system] string_concat(;, "", ";")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), ";")
   Call: (188) [system] string_concat(;, ";", _2069396)
   Exit: (188) [system] string_concat(;, ";", ";;")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), ";;")
^  Call: (187) [user] assertz(metta_file_comment(21, 0, 517, '$COMMENT'(";;", 21, 0), '$stream_position'(517, 21, 0, 517)))
^  Exit: (187) [user] assertz(metta_file_comment(21, 0, 517, '$COMMENT'(";;", 21, 0), '$stream_position'(517, 21, 0, 517)))
^  Exit: (186) [user] read_comment((0x56051b6b4f40))
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _2095442)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ;)
   Call: (187) [system] (;)=(;)
   Exit: (187) [system] (;)=(;)
^  Call: (187) [user] read_comment((0x56051b6b4f40))
^  Call: (188) [user] read_position((0x56051b6b4f40), _6718, _6720, _6722, _6724)
   Call: (189) [system] stream_property((0x56051b6b4f40), position(_6724))
   Call: (190) [system] nonvar((0x56051b6b4f40))
   Exit: (190) [system] nonvar((0x56051b6b4f40))
   Call: (190) [system] nonvar(position(_6724))
   Exit: (190) [system] nonvar(position(_6724))
   Exit: (189) [system] stream_property((0x56051b6b4f40), position('$stream_position'(520, 22, 0, 520)))
   Call: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(520, 22, 0, 520), _6718)
   Call: (190) [system] nonvar(line_count)
   Exit: (190) [system] nonvar(line_count)
   Call: (190) [$syspreds] stream_position_field(line_count, _16012)
   Exit: (190) [$syspreds] stream_position_field(line_count, 2)
   Call: (190) [system] arg(2, '$stream_position'(520, 22, 0, 520), _6718)
   Exit: (190) [system] arg(2, '$stream_position'(520, 22, 0, 520), 22)
   Exit: (189) [$syspreds] stream_position_data(line_count, '$stream_position'(520, 22, 0, 520), 22)
   Call: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(520, 22, 0, 520), _6720)
   Call: (190) [system] nonvar(line_position)
   Exit: (190) [system] nonvar(line_position)
   Call: (190) [$syspreds] stream_position_field(line_position, _23446)
   Exit: (190) [$syspreds] stream_position_field(line_position, 3)
   Call: (190) [system] arg(3, '$stream_position'(520, 22, 0, 520), _6720)
   Exit: (190) [system] arg(3, '$stream_position'(520, 22, 0, 520), 0)
   Exit: (189) [$syspreds] stream_position_data(line_position, '$stream_position'(520, 22, 0, 520), 0)
   Call: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(520, 22, 0, 520), _6722)
   Call: (190) [system] nonvar(char_count)
   Exit: (190) [system] nonvar(char_count)
   Call: (190) [$syspreds] stream_position_field(char_count, _30880)
   Exit: (190) [$syspreds] stream_position_field(char_count, 1)
   Call: (190) [system] arg(1, '$stream_position'(520, 22, 0, 520), _6722)
   Exit: (190) [system] arg(1, '$stream_position'(520, 22, 0, 520), 520)
   Exit: (189) [$syspreds] stream_position_data(char_count, '$stream_position'(520, 22, 0, 520), 520)
^  Exit: (188) [user] read_position((0x56051b6b4f40), 22, 0, 520, '$stream_position'(520, 22, 0, 520))
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _36474)
   Call: (189) [system] get_char((0x56051b6b4f40), _37404)
   Exit: (189) [system] get_char((0x56051b6b4f40), ;)
   Call: (189) [system] char_type(;, end_of_line)
   Call: (189) [system] (;)=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _41118)
   Call: (190) [system] get_char((0x56051b6b4f40), _42048)
   Exit: (190) [system] get_char((0x56051b6b4f40), ;)
   Call: (190) [system] char_type(;, end_of_line)
   Call: (190) [system] (;)=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _45762)
   Call: (191) [system] get_char((0x56051b6b4f40), _46692)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
   Call: (191) [system] char_type(' ', end_of_line)
   Call: (191) [system] ' '=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _50406)
   Call: (192) [system] get_char((0x56051b6b4f40), _51336)
   Exit: (192) [system] get_char((0x56051b6b4f40), 'T')
   Call: (192) [system] char_type('T', end_of_line)
   Call: (192) [system] 'T'=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _55050)
   Call: (193) [system] get_char((0x56051b6b4f40), _55980)
   Exit: (193) [system] get_char((0x56051b6b4f40), h)
   Call: (193) [system] char_type(h, end_of_line)
   Call: (193) [system] h=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _59694)
   Call: (194) [system] get_char((0x56051b6b4f40), _60624)
   Exit: (194) [system] get_char((0x56051b6b4f40), e)
   Call: (194) [system] char_type(e, end_of_line)
   Call: (194) [system] e=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _64338)
   Call: (195) [system] get_char((0x56051b6b4f40), _65268)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _68982)
   Call: (196) [system] get_char((0x56051b6b4f40), _69912)
   Exit: (196) [system] get_char((0x56051b6b4f40), a)
   Call: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] a=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _73626)
   Call: (197) [system] get_char((0x56051b6b4f40), _74556)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] char_type(r, end_of_line)
   Call: (197) [system] r=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _78270)
   Call: (198) [system] get_char((0x56051b6b4f40), _79200)
   Exit: (198) [system] get_char((0x56051b6b4f40), g)
   Call: (198) [system] char_type(g, end_of_line)
   Call: (198) [system] g=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _82914)
   Call: (199) [system] get_char((0x56051b6b4f40), _83844)
   Exit: (199) [system] get_char((0x56051b6b4f40), u)
   Call: (199) [system] char_type(u, end_of_line)
   Call: (199) [system] u=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _87558)
   Call: (200) [system] get_char((0x56051b6b4f40), _88488)
   Exit: (200) [system] get_char((0x56051b6b4f40), m)
   Call: (200) [system] char_type(m, end_of_line)
   Call: (200) [system] m=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _92202)
   Call: (201) [system] get_char((0x56051b6b4f40), _93132)
   Exit: (201) [system] get_char((0x56051b6b4f40), e)
   Call: (201) [system] char_type(e, end_of_line)
   Call: (201) [system] e=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _96846)
   Call: (202) [system] get_char((0x56051b6b4f40), _97776)
   Exit: (202) [system] get_char((0x56051b6b4f40), n)
   Call: (202) [system] char_type(n, end_of_line)
   Call: (202) [system] n=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _101490)
   Call: (203) [system] get_char((0x56051b6b4f40), _102420)
   Exit: (203) [system] get_char((0x56051b6b4f40), t)
   Call: (203) [system] char_type(t, end_of_line)
   Call: (203) [system] t=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _106134)
   Call: (204) [system] get_char((0x56051b6b4f40), _107064)
   Exit: (204) [system] get_char((0x56051b6b4f40), s)
   Call: (204) [system] char_type(s, end_of_line)
   Call: (204) [system] s=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _110778)
   Call: (205) [system] get_char((0x56051b6b4f40), _111708)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _115422)
   Call: (206) [system] get_char((0x56051b6b4f40), _116352)
   Exit: (206) [system] get_char((0x56051b6b4f40), a)
   Call: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] a=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _120066)
   Call: (207) [system] get_char((0x56051b6b4f40), _120996)
   Exit: (207) [system] get_char((0x56051b6b4f40), r)
   Call: (207) [system] char_type(r, end_of_line)
   Call: (207) [system] r=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _124710)
   Call: (208) [system] get_char((0x56051b6b4f40), _125640)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] char_type(e, end_of_line)
   Call: (208) [system] e=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _129354)
   Call: (209) [system] get_char((0x56051b6b4f40), _130284)
   Exit: (209) [system] get_char((0x56051b6b4f40), :)
   Call: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _133998)
   Call: (210) [system] get_char((0x56051b6b4f40), _134928)
   Exit: (210) [system] get_char((0x56051b6b4f40), '\n')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
   Call: (210) [system] _133998=""
   Exit: (210) [system] ""=""
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (209) [system] string_concat(:, "", _129354)
   Exit: (209) [system] string_concat(:, "", ":")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), ":")
   Call: (208) [system] string_concat(e, ":", _124710)
   Exit: (208) [system] string_concat(e, ":", "e:")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "e:")
   Call: (207) [system] string_concat(r, "e:", _120066)
   Exit: (207) [system] string_concat(r, "e:", "re:")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "re:")
   Call: (206) [system] string_concat(a, "re:", _115422)
   Exit: (206) [system] string_concat(a, "re:", "are:")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "are:")
   Call: (205) [system] string_concat(' ', "are:", _110778)
   Exit: (205) [system] string_concat(' ', "are:", " are:")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), " are:")
   Call: (204) [system] string_concat(s, " are:", _106134)
   Exit: (204) [system] string_concat(s, " are:", "s are:")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "s are:")
   Call: (203) [system] string_concat(t, "s are:", _101490)
   Exit: (203) [system] string_concat(t, "s are:", "ts are:")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "ts are:")
   Call: (202) [system] string_concat(n, "ts are:", _96846)
   Exit: (202) [system] string_concat(n, "ts are:", "nts are:")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "nts are:")
   Call: (201) [system] string_concat(e, "nts are:", _92202)
   Exit: (201) [system] string_concat(e, "nts are:", "ents are:")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "ents are:")
   Call: (200) [system] string_concat(m, "ents are:", _87558)
   Exit: (200) [system] string_concat(m, "ents are:", "ments are:")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "ments are:")
   Call: (199) [system] string_concat(u, "ments are:", _82914)
   Exit: (199) [system] string_concat(u, "ments are:", "uments are:")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "uments are:")
   Call: (198) [system] string_concat(g, "uments are:", _78270)
   Exit: (198) [system] string_concat(g, "uments are:", "guments are:")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "guments are:")
   Call: (197) [system] string_concat(r, "guments are:", _73626)
   Exit: (197) [system] string_concat(r, "guments are:", "rguments are:")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "rguments are:")
   Call: (196) [system] string_concat(a, "rguments are:", _68982)
   Exit: (196) [system] string_concat(a, "rguments are:", "arguments are:")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "arguments are:")
   Call: (195) [system] string_concat(' ', "arguments are:", _64338)
   Exit: (195) [system] string_concat(' ', "arguments are:", " arguments are:")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), " arguments are:")
   Call: (194) [system] string_concat(e, " arguments are:", _59694)
   Exit: (194) [system] string_concat(e, " arguments are:", "e arguments are:")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "e arguments are:")
   Call: (193) [system] string_concat(h, "e arguments are:", _55050)
   Exit: (193) [system] string_concat(h, "e arguments are:", "he arguments are:")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "he arguments are:")
   Call: (192) [system] string_concat('T', "he arguments are:", _50406)
   Exit: (192) [system] string_concat('T', "he arguments are:", "The arguments are:")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "The arguments are:")
   Call: (191) [system] string_concat(' ', "The arguments are:", _45762)
   Exit: (191) [system] string_concat(' ', "The arguments are:", " The arguments are:")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), " The arguments are:")
   Call: (190) [system] string_concat(;, " The arguments are:", _41118)
   Exit: (190) [system] string_concat(;, " The arguments are:", "; The arguments are:")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "; The arguments are:")
   Call: (189) [system] string_concat(;, "; The arguments are:", _36474)
   Exit: (189) [system] string_concat(;, "; The arguments are:", ";; The arguments are:")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), ";; The arguments are:")
^  Call: (188) [user] assertz(metta_file_comment(22, 0, 520, '$COMMENT'(";; The arguments are:", 22, 0), '$stream_position'(520, 22, 0, 520)))
^  Exit: (188) [user] assertz(metta_file_comment(22, 0, 520, '$COMMENT'(";; The arguments are:", 22, 0), '$stream_position'(520, 22, 0, 520)))
^  Exit: (187) [user] read_comment((0x56051b6b4f40))
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _203962)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ;)
   Call: (188) [system] (;)=(;)
   Exit: (188) [system] (;)=(;)
^  Call: (188) [user] read_comment((0x56051b6b4f40))
^  Call: (189) [user] read_position((0x56051b6b4f40), _208600, _208602, _208604, _208606)
   Call: (190) [system] stream_property((0x56051b6b4f40), position(_208606))
   Call: (191) [system] nonvar((0x56051b6b4f40))
   Exit: (191) [system] nonvar((0x56051b6b4f40))
   Call: (191) [system] nonvar(position(_208606))
   Exit: (191) [system] nonvar(position(_208606))
   Exit: (190) [system] stream_property((0x56051b6b4f40), position('$stream_position'(542, 23, 0, 542)))
   Call: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(542, 23, 0, 542), _208600)
   Call: (191) [system] nonvar(line_count)
   Exit: (191) [system] nonvar(line_count)
   Call: (191) [$syspreds] stream_position_field(line_count, _217894)
   Exit: (191) [$syspreds] stream_position_field(line_count, 2)
   Call: (191) [system] arg(2, '$stream_position'(542, 23, 0, 542), _208600)
   Exit: (191) [system] arg(2, '$stream_position'(542, 23, 0, 542), 23)
   Exit: (190) [$syspreds] stream_position_data(line_count, '$stream_position'(542, 23, 0, 542), 23)
   Call: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(542, 23, 0, 542), _208602)
   Call: (191) [system] nonvar(line_position)
   Exit: (191) [system] nonvar(line_position)
   Call: (191) [$syspreds] stream_position_field(line_position, _225328)
   Exit: (191) [$syspreds] stream_position_field(line_position, 3)
   Call: (191) [system] arg(3, '$stream_position'(542, 23, 0, 542), _208602)
   Exit: (191) [system] arg(3, '$stream_position'(542, 23, 0, 542), 0)
   Exit: (190) [$syspreds] stream_position_data(line_position, '$stream_position'(542, 23, 0, 542), 0)
   Call: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(542, 23, 0, 542), _208604)
   Call: (191) [system] nonvar(char_count)
   Exit: (191) [system] nonvar(char_count)
   Call: (191) [$syspreds] stream_position_field(char_count, _232762)
   Exit: (191) [$syspreds] stream_position_field(char_count, 1)
   Call: (191) [system] arg(1, '$stream_position'(542, 23, 0, 542), _208604)
   Exit: (191) [system] arg(1, '$stream_position'(542, 23, 0, 542), 542)
   Exit: (190) [$syspreds] stream_position_data(char_count, '$stream_position'(542, 23, 0, 542), 542)
^  Exit: (189) [user] read_position((0x56051b6b4f40), 23, 0, 542, '$stream_position'(542, 23, 0, 542))
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _238356)
   Call: (190) [system] get_char((0x56051b6b4f40), _239286)
   Exit: (190) [system] get_char((0x56051b6b4f40), ;)
   Call: (190) [system] char_type(;, end_of_line)
   Call: (190) [system] (;)=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _243000)
   Call: (191) [system] get_char((0x56051b6b4f40), _243930)
   Exit: (191) [system] get_char((0x56051b6b4f40), ;)
   Call: (191) [system] char_type(;, end_of_line)
   Call: (191) [system] (;)=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _247644)
   Call: (192) [system] get_char((0x56051b6b4f40), _248574)
   Exit: (192) [system] get_char((0x56051b6b4f40), '\n')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
   Call: (192) [system] _247644=""
   Exit: (192) [system] ""=""
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (191) [system] string_concat(;, "", _243000)
   Exit: (191) [system] string_concat(;, "", ";")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), ";")
   Call: (190) [system] string_concat(;, ";", _238356)
   Exit: (190) [system] string_concat(;, ";", ";;")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), ";;")
^  Call: (189) [user] assertz(metta_file_comment(23, 0, 542, '$COMMENT'(";;", 23, 0), '$stream_position'(542, 23, 0, 542)))
^  Exit: (189) [user] assertz(metta_file_comment(23, 0, 542, '$COMMENT'(";;", 23, 0), '$stream_position'(542, 23, 0, 542)))
^  Exit: (188) [user] read_comment((0x56051b6b4f40))
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _264402)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ;)
   Call: (189) [system] (;)=(;)
   Exit: (189) [system] (;)=(;)
^  Call: (189) [user] read_comment((0x56051b6b4f40))
^  Call: (190) [user] read_position((0x56051b6b4f40), _269040, _269042, _269044, _269046)
   Call: (191) [system] stream_property((0x56051b6b4f40), position(_269046))
   Call: (192) [system] nonvar((0x56051b6b4f40))
   Exit: (192) [system] nonvar((0x56051b6b4f40))
   Call: (192) [system] nonvar(position(_269046))
   Exit: (192) [system] nonvar(position(_269046))
   Exit: (191) [system] stream_property((0x56051b6b4f40), position('$stream_position'(545, 24, 0, 545)))
   Call: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(545, 24, 0, 545), _269040)
   Call: (192) [system] nonvar(line_count)
   Exit: (192) [system] nonvar(line_count)
   Call: (192) [$syspreds] stream_position_field(line_count, _278334)
   Exit: (192) [$syspreds] stream_position_field(line_count, 2)
   Call: (192) [system] arg(2, '$stream_position'(545, 24, 0, 545), _269040)
   Exit: (192) [system] arg(2, '$stream_position'(545, 24, 0, 545), 24)
   Exit: (191) [$syspreds] stream_position_data(line_count, '$stream_position'(545, 24, 0, 545), 24)
   Call: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(545, 24, 0, 545), _269042)
   Call: (192) [system] nonvar(line_position)
   Exit: (192) [system] nonvar(line_position)
   Call: (192) [$syspreds] stream_position_field(line_position, _285768)
   Exit: (192) [$syspreds] stream_position_field(line_position, 3)
   Call: (192) [system] arg(3, '$stream_position'(545, 24, 0, 545), _269042)
   Exit: (192) [system] arg(3, '$stream_position'(545, 24, 0, 545), 0)
   Exit: (191) [$syspreds] stream_position_data(line_position, '$stream_position'(545, 24, 0, 545), 0)
   Call: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(545, 24, 0, 545), _269044)
   Call: (192) [system] nonvar(char_count)
   Exit: (192) [system] nonvar(char_count)
   Call: (192) [$syspreds] stream_position_field(char_count, _293202)
   Exit: (192) [$syspreds] stream_position_field(char_count, 1)
   Call: (192) [system] arg(1, '$stream_position'(545, 24, 0, 545), _269044)
   Exit: (192) [system] arg(1, '$stream_position'(545, 24, 0, 545), 545)
   Exit: (191) [$syspreds] stream_position_data(char_count, '$stream_position'(545, 24, 0, 545), 545)
^  Exit: (190) [user] read_position((0x56051b6b4f40), 24, 0, 545, '$stream_position'(545, 24, 0, 545))
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _298796)
   Call: (191) [system] get_char((0x56051b6b4f40), _299726)
   Exit: (191) [system] get_char((0x56051b6b4f40), ;)
   Call: (191) [system] char_type(;, end_of_line)
   Call: (191) [system] (;)=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _303440)
   Call: (192) [system] get_char((0x56051b6b4f40), _304370)
   Exit: (192) [system] get_char((0x56051b6b4f40), ;)
   Call: (192) [system] char_type(;, end_of_line)
   Call: (192) [system] (;)=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _308084)
   Call: (193) [system] get_char((0x56051b6b4f40), _309014)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _312728)
   Call: (194) [system] get_char((0x56051b6b4f40), _313658)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] char_type($, end_of_line)
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _317372)
   Call: (195) [system] get_char((0x56051b6b4f40), _318302)
   Exit: (195) [system] get_char((0x56051b6b4f40), q)
   Call: (195) [system] char_type(q, end_of_line)
   Call: (195) [system] q=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _322016)
   Call: (196) [system] get_char((0x56051b6b4f40), _322946)
   Exit: (196) [system] get_char((0x56051b6b4f40), u)
   Call: (196) [system] char_type(u, end_of_line)
   Call: (196) [system] u=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _326660)
   Call: (197) [system] get_char((0x56051b6b4f40), _327590)
   Exit: (197) [system] get_char((0x56051b6b4f40), e)
   Call: (197) [system] char_type(e, end_of_line)
   Call: (197) [system] e=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _331304)
   Call: (198) [system] get_char((0x56051b6b4f40), _332234)
   Exit: (198) [system] get_char((0x56051b6b4f40), r)
   Call: (198) [system] char_type(r, end_of_line)
   Call: (198) [system] r=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _335948)
   Call: (199) [system] get_char((0x56051b6b4f40), _336878)
   Exit: (199) [system] get_char((0x56051b6b4f40), y)
   Call: (199) [system] char_type(y, end_of_line)
   Call: (199) [system] y=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _340592)
   Call: (200) [system] get_char((0x56051b6b4f40), _341522)
   Exit: (200) [system] get_char((0x56051b6b4f40), :)
   Call: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _345236)
   Call: (201) [system] get_char((0x56051b6b4f40), _346166)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _349880)
   Call: (202) [system] get_char((0x56051b6b4f40), _350810)
   Exit: (202) [system] get_char((0x56051b6b4f40), a)
   Call: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] a=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _354524)
   Call: (203) [system] get_char((0x56051b6b4f40), _355454)
   Exit: (203) [system] get_char((0x56051b6b4f40), n)
   Call: (203) [system] char_type(n, end_of_line)
   Call: (203) [system] n=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _359168)
   Call: (204) [system] get_char((0x56051b6b4f40), _360098)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _363812)
   Call: (205) [system] get_char((0x56051b6b4f40), _364742)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'A')
   Call: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _368456)
   Call: (206) [system] get_char((0x56051b6b4f40), _369386)
   Exit: (206) [system] get_char((0x56051b6b4f40), t)
   Call: (206) [system] char_type(t, end_of_line)
   Call: (206) [system] t=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _373100)
   Call: (207) [system] get_char((0x56051b6b4f40), _374030)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] char_type(o, end_of_line)
   Call: (207) [system] o=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _377744)
   Call: (208) [system] get_char((0x56051b6b4f40), _378674)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] char_type(m, end_of_line)
   Call: (208) [system] m=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _382388)
   Call: (209) [system] get_char((0x56051b6b4f40), _383318)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _387032)
   Call: (210) [system] get_char((0x56051b6b4f40), _387962)
   Exit: (210) [system] get_char((0x56051b6b4f40), u)
   Call: (210) [system] char_type(u, end_of_line)
   Call: (210) [system] u=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _391676)
   Call: (211) [system] get_char((0x56051b6b4f40), _392606)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] char_type(n, end_of_line)
   Call: (211) [system] n=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _396320)
   Call: (212) [system] get_char((0x56051b6b4f40), _397250)
   Exit: (212) [system] get_char((0x56051b6b4f40), d)
   Call: (212) [system] char_type(d, end_of_line)
   Call: (212) [system] d=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _400964)
   Call: (213) [system] get_char((0x56051b6b4f40), _401894)
   Exit: (213) [system] get_char((0x56051b6b4f40), e)
   Call: (213) [system] char_type(e, end_of_line)
   Call: (213) [system] e=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _405608)
   Call: (214) [system] get_char((0x56051b6b4f40), _406538)
   Exit: (214) [system] get_char((0x56051b6b4f40), r)
   Call: (214) [system] char_type(r, end_of_line)
   Call: (214) [system] r=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _410252)
   Call: (215) [system] get_char((0x56051b6b4f40), _411182)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
   Call: (215) [system] char_type(' ', end_of_line)
   Call: (215) [system] ' '=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _414896)
   Call: (216) [system] get_char((0x56051b6b4f40), _415826)
   Exit: (216) [system] get_char((0x56051b6b4f40), t)
   Call: (216) [system] char_type(t, end_of_line)
   Call: (216) [system] t=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _419540)
   Call: (217) [system] get_char((0x56051b6b4f40), _420470)
   Exit: (217) [system] get_char((0x56051b6b4f40), h)
   Call: (217) [system] char_type(h, end_of_line)
   Call: (217) [system] h=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _424184)
   Call: (218) [system] get_char((0x56051b6b4f40), _425114)
   Exit: (218) [system] get_char((0x56051b6b4f40), e)
   Call: (218) [system] char_type(e, end_of_line)
   Call: (218) [system] e=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _428828)
   Call: (219) [system] get_char((0x56051b6b4f40), _429758)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
   Call: (219) [system] char_type(' ', end_of_line)
   Call: (219) [system] ' '=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _433472)
   Call: (220) [system] get_char((0x56051b6b4f40), _434402)
   Exit: (220) [system] get_char((0x56051b6b4f40), f)
   Call: (220) [system] char_type(f, end_of_line)
   Call: (220) [system] f=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _438116)
   Call: (221) [system] get_char((0x56051b6b4f40), _439046)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] char_type(o, end_of_line)
   Call: (221) [system] o=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _442760)
   Call: (222) [system] get_char((0x56051b6b4f40), _443690)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] char_type(r, end_of_line)
   Call: (222) [system] r=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _447404)
   Call: (223) [system] get_char((0x56051b6b4f40), _448334)
   Exit: (223) [system] get_char((0x56051b6b4f40), m)
   Call: (223) [system] char_type(m, end_of_line)
   Call: (223) [system] m=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _452048)
   Call: (224) [system] get_char((0x56051b6b4f40), _452978)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
   Call: (224) [system] char_type(' ', end_of_line)
   Call: (224) [system] ' '=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _456692)
   Call: (225) [system] get_char((0x56051b6b4f40), _457622)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _461336)
   Call: (226) [system] get_char((0x56051b6b4f40), _462266)
   Exit: (226) [system] get_char((0x56051b6b4f40), :)
   Call: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _465980)
   Call: (227) [system] get_char((0x56051b6b4f40), _466910)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
   Call: (227) [system] char_type(' ', end_of_line)
   Call: (227) [system] ' '=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _470624)
   Call: (228) [system] get_char((0x56051b6b4f40), _471554)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'T')
   Call: (228) [system] char_type('T', end_of_line)
   Call: (228) [system] 'T'=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _475268)
   Call: (229) [system] get_char((0x56051b6b4f40), _476198)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'E')
   Call: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] 'E'=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _479912)
   Call: (230) [system] get_char((0x56051b6b4f40), _480842)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'R')
   Call: (230) [system] char_type('R', end_of_line)
   Call: (230) [system] 'R'=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _484556)
   Call: (231) [system] get_char((0x56051b6b4f40), _485486)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'M')
   Call: (231) [system] char_type('M', end_of_line)
   Call: (231) [system] 'M'=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _489200)
   Call: (232) [system] get_char((0x56051b6b4f40), _490130)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
   Call: (232) [system] char_type(' ', end_of_line)
   Call: (232) [system] ' '=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _493844)
   Call: (233) [system] get_char((0x56051b6b4f40), _494774)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'T')
   Call: (233) [system] char_type('T', end_of_line)
   Call: (233) [system] 'T'=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _498488)
   Call: (234) [system] get_char((0x56051b6b4f40), _499418)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'Y')
   Call: (234) [system] char_type('Y', end_of_line)
   Call: (234) [system] 'Y'=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _503132)
   Call: (235) [system] get_char((0x56051b6b4f40), _504062)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'P')
   Call: (235) [system] char_type('P', end_of_line)
   Call: (235) [system] 'P'=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _507776)
   Call: (236) [system] get_char((0x56051b6b4f40), _508706)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'E')
   Call: (236) [system] char_type('E', end_of_line)
   Call: (236) [system] 'E'=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _512420)
   Call: (237) [system] get_char((0x56051b6b4f40), _513350)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] ')'=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _517064)
   Call: (238) [system] get_char((0x56051b6b4f40), _517994)
   Exit: (238) [system] get_char((0x56051b6b4f40), '.')
   Call: (238) [system] char_type('.', end_of_line)
   Call: (238) [system] ('.')=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _521708)
   Call: (239) [system] get_char((0x56051b6b4f40), _522638)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
   Call: (239) [system] char_type(' ', end_of_line)
   Call: (239) [system] ' '=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _526352)
   Call: (240) [system] get_char((0x56051b6b4f40), _527282)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
   Call: (240) [system] char_type(' ', end_of_line)
   Call: (240) [system] ' '=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _530996)
   Call: (241) [system] get_char((0x56051b6b4f40), _531926)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'T')
   Call: (241) [system] char_type('T', end_of_line)
   Call: (241) [system] 'T'=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _535640)
   Call: (242) [system] get_char((0x56051b6b4f40), _536570)
   Exit: (242) [system] get_char((0x56051b6b4f40), h)
   Call: (242) [system] char_type(h, end_of_line)
   Call: (242) [system] h=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _540284)
   Call: (243) [system] get_char((0x56051b6b4f40), _541214)
   Exit: (243) [system] get_char((0x56051b6b4f40), e)
   Call: (243) [system] char_type(e, end_of_line)
   Call: (243) [system] e=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _544928)
   Call: (244) [system] get_char((0x56051b6b4f40), _545858)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
   Call: (244) [system] char_type(' ', end_of_line)
   Call: (244) [system] ' '=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _549572)
   Call: (245) [system] get_char((0x56051b6b4f40), _550502)
   Exit: (245) [system] get_char((0x56051b6b4f40), a)
   Call: (245) [system] char_type(a, end_of_line)
   Call: (245) [system] a=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _554216)
   Call: (246) [system] get_char((0x56051b6b4f40), _555146)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] char_type(t, end_of_line)
   Call: (246) [system] t=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _558860)
   Call: (247) [system] get_char((0x56051b6b4f40), _559790)
   Exit: (247) [system] get_char((0x56051b6b4f40), o)
   Call: (247) [system] char_type(o, end_of_line)
   Call: (247) [system] o=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _563504)
   Call: (248) [system] get_char((0x56051b6b4f40), _564434)
   Exit: (248) [system] get_char((0x56051b6b4f40), m)
   Call: (248) [system] char_type(m, end_of_line)
   Call: (248) [system] m=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _568148)
   Call: (249) [system] get_char((0x56051b6b4f40), _569078)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
   Call: (249) [system] char_type(' ', end_of_line)
   Call: (249) [system] ' '=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _572792)
   Call: (250) [system] get_char((0x56051b6b4f40), _573722)
   Exit: (250) [system] get_char((0x56051b6b4f40), m)
   Call: (250) [system] char_type(m, end_of_line)
   Call: (250) [system] m=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _577436)
   Call: (251) [system] get_char((0x56051b6b4f40), _578366)
   Exit: (251) [system] get_char((0x56051b6b4f40), a)
   Call: (251) [system] char_type(a, end_of_line)
   Call: (251) [system] a=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _582080)
   Call: (252) [system] get_char((0x56051b6b4f40), _583010)
   Exit: (252) [system] get_char((0x56051b6b4f40), y)
   Call: (252) [system] char_type(y, end_of_line)
   Call: (252) [system] y=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _586724)
   Call: (253) [system] get_char((0x56051b6b4f40), _587654)
   Exit: (253) [system] get_char((0x56051b6b4f40), ' ')
   Call: (253) [system] char_type(' ', end_of_line)
   Call: (253) [system] ' '=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _591368)
   Call: (254) [system] get_char((0x56051b6b4f40), _592298)
   Exit: (254) [system] get_char((0x56051b6b4f40), c)
   Call: (254) [system] char_type(c, end_of_line)
   Call: (254) [system] c=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _596012)
   Call: (255) [system] get_char((0x56051b6b4f40), _596942)
   Exit: (255) [system] get_char((0x56051b6b4f40), o)
   Call: (255) [system] char_type(o, end_of_line)
   Call: (255) [system] o=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _600656)
   Call: (256) [system] get_char((0x56051b6b4f40), _601586)
   Exit: (256) [system] get_char((0x56051b6b4f40), n)
   Call: (256) [system] char_type(n, end_of_line)
   Call: (256) [system] n=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _605300)
   Call: (257) [system] get_char((0x56051b6b4f40), _606230)
   Exit: (257) [system] get_char((0x56051b6b4f40), t)
   Call: (257) [system] char_type(t, end_of_line)
   Call: (257) [system] t=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _609944)
   Call: (258) [system] get_char((0x56051b6b4f40), _610874)
   Exit: (258) [system] get_char((0x56051b6b4f40), a)
   Call: (258) [system] char_type(a, end_of_line)
   Call: (258) [system] a=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _614588)
   Call: (259) [system] get_char((0x56051b6b4f40), _615518)
   Exit: (259) [system] get_char((0x56051b6b4f40), i)
   Call: (259) [system] char_type(i, end_of_line)
   Call: (259) [system] i=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _619232)
   Call: (260) [system] get_char((0x56051b6b4f40), _620162)
   Exit: (260) [system] get_char((0x56051b6b4f40), n)
   Call: (260) [system] char_type(n, end_of_line)
   Call: (260) [system] n=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _623876)
   Call: (261) [system] get_char((0x56051b6b4f40), _624806)
   Exit: (261) [system] get_char((0x56051b6b4f40), '\n')
   Call: (261) [system] char_type('\n', end_of_line)
   Exit: (261) [system] char_type('\n', end_of_line)
   Call: (261) [system] _623876=""
   Exit: (261) [system] ""=""
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (260) [system] string_concat(n, "", _619232)
   Exit: (260) [system] string_concat(n, "", "n")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), "n")
   Call: (259) [system] string_concat(i, "n", _614588)
   Exit: (259) [system] string_concat(i, "n", "in")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), "in")
   Call: (258) [system] string_concat(a, "in", _609944)
   Exit: (258) [system] string_concat(a, "in", "ain")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "ain")
   Call: (257) [system] string_concat(t, "ain", _605300)
   Exit: (257) [system] string_concat(t, "ain", "tain")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "tain")
   Call: (256) [system] string_concat(n, "tain", _600656)
   Exit: (256) [system] string_concat(n, "tain", "ntain")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "ntain")
   Call: (255) [system] string_concat(o, "ntain", _596012)
   Exit: (255) [system] string_concat(o, "ntain", "ontain")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "ontain")
   Call: (254) [system] string_concat(c, "ontain", _591368)
   Exit: (254) [system] string_concat(c, "ontain", "contain")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "contain")
   Call: (253) [system] string_concat(' ', "contain", _586724)
   Exit: (253) [system] string_concat(' ', "contain", " contain")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), " contain")
   Call: (252) [system] string_concat(y, " contain", _582080)
   Exit: (252) [system] string_concat(y, " contain", "y contain")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), "y contain")
   Call: (251) [system] string_concat(a, "y contain", _577436)
   Exit: (251) [system] string_concat(a, "y contain", "ay contain")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "ay contain")
   Call: (250) [system] string_concat(m, "ay contain", _572792)
   Exit: (250) [system] string_concat(m, "ay contain", "may contain")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "may contain")
   Call: (249) [system] string_concat(' ', "may contain", _568148)
   Exit: (249) [system] string_concat(' ', "may contain", " may contain")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), " may contain")
   Call: (248) [system] string_concat(m, " may contain", _563504)
   Exit: (248) [system] string_concat(m, " may contain", "m may contain")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "m may contain")
   Call: (247) [system] string_concat(o, "m may contain", _558860)
   Exit: (247) [system] string_concat(o, "m may contain", "om may contain")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "om may contain")
   Call: (246) [system] string_concat(t, "om may contain", _554216)
   Exit: (246) [system] string_concat(t, "om may contain", "tom may contain")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "tom may contain")
   Call: (245) [system] string_concat(a, "tom may contain", _549572)
   Exit: (245) [system] string_concat(a, "tom may contain", "atom may contain")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "atom may contain")
   Call: (244) [system] string_concat(' ', "atom may contain", _544928)
   Exit: (244) [system] string_concat(' ', "atom may contain", " atom may contain")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), " atom may contain")
   Call: (243) [system] string_concat(e, " atom may contain", _540284)
   Exit: (243) [system] string_concat(e, " atom may contain", "e atom may contain")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "e atom may contain")
   Call: (242) [system] string_concat(h, "e atom may contain", _535640)
   Exit: (242) [system] string_concat(h, "e atom may contain", "he atom may contain")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "he atom may contain")
   Call: (241) [system] string_concat('T', "he atom may contain", _530996)
   Exit: (241) [system] string_concat('T', "he atom may contain", "The atom may contain")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "The atom may contain")
   Call: (240) [system] string_concat(' ', "The atom may contain", _526352)
   Exit: (240) [system] string_concat(' ', "The atom may contain", " The atom may contain")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), " The atom may contain")
   Call: (239) [system] string_concat(' ', " The atom may contain", _521708)
   Exit: (239) [system] string_concat(' ', " The atom may contain", "  The atom may contain")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "  The atom may contain")
   Call: (238) [system] string_concat('.', "  The atom may contain", _517064)
   Exit: (238) [system] string_concat('.', "  The atom may contain", ".  The atom may contain")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), ".  The atom may contain")
   Call: (237) [system] string_concat(')', ".  The atom may contain", _512420)
   Exit: (237) [system] string_concat(')', ".  The atom may contain", ").  The atom may contain")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), ").  The atom may contain")
   Call: (236) [system] string_concat('E', ").  The atom may contain", _507776)
   Exit: (236) [system] string_concat('E', ").  The atom may contain", "E).  The atom may contain")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "E).  The atom may contain")
   Call: (235) [system] string_concat('P', "E).  The atom may contain", _503132)
   Exit: (235) [system] string_concat('P', "E).  The atom may contain", "PE).  The atom may contain")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "PE).  The atom may contain")
   Call: (234) [system] string_concat('Y', "PE).  The atom may contain", _498488)
   Exit: (234) [system] string_concat('Y', "PE).  The atom may contain", "YPE).  The atom may contain")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "YPE).  The atom may contain")
   Call: (233) [system] string_concat('T', "YPE).  The atom may contain", _493844)
   Exit: (233) [system] string_concat('T', "YPE).  The atom may contain", "TYPE).  The atom may contain")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "TYPE).  The atom may contain")
   Call: (232) [system] string_concat(' ', "TYPE).  The atom may contain", _489200)
   Exit: (232) [system] string_concat(' ', "TYPE).  The atom may contain", " TYPE).  The atom may contain")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), " TYPE).  The atom may contain")
   Call: (231) [system] string_concat('M', " TYPE).  The atom may contain", _484556)
   Exit: (231) [system] string_concat('M', " TYPE).  The atom may contain", "M TYPE).  The atom may contain")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "M TYPE).  The atom may contain")
   Call: (230) [system] string_concat('R', "M TYPE).  The atom may contain", _479912)
   Exit: (230) [system] string_concat('R', "M TYPE).  The atom may contain", "RM TYPE).  The atom may contain")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "RM TYPE).  The atom may contain")
   Call: (229) [system] string_concat('E', "RM TYPE).  The atom may contain", _475268)
   Exit: (229) [system] string_concat('E', "RM TYPE).  The atom may contain", "ERM TYPE).  The atom may contain")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "ERM TYPE).  The atom may contain")
   Call: (228) [system] string_concat('T', "ERM TYPE).  The atom may contain", _470624)
   Exit: (228) [system] string_concat('T', "ERM TYPE).  The atom may contain", "TERM TYPE).  The atom may contain")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "TERM TYPE).  The atom may contain")
   Call: (227) [system] string_concat(' ', "TERM TYPE).  The atom may contain", _465980)
   Exit: (227) [system] string_concat(' ', "TERM TYPE).  The atom may contain", " TERM TYPE).  The atom may contain")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), " TERM TYPE).  The atom may contain")
   Call: (226) [system] string_concat(:, " TERM TYPE).  The atom may contain", _461336)
   Exit: (226) [system] string_concat(:, " TERM TYPE).  The atom may contain", ": TERM TYPE).  The atom may contain")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), ": TERM TYPE).  The atom may contain")
   Call: (225) [system] string_concat('(', ": TERM TYPE).  The atom may contain", _456692)
   Exit: (225) [system] string_concat('(', ": TERM TYPE).  The atom may contain", "(: TERM TYPE).  The atom may contain")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "(: TERM TYPE).  The atom may contain")
   Call: (224) [system] string_concat(' ', "(: TERM TYPE).  The atom may contain", _452048)
   Exit: (224) [system] string_concat(' ', "(: TERM TYPE).  The atom may contain", " (: TERM TYPE).  The atom may contain")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), " (: TERM TYPE).  The atom may contain")
   Call: (223) [system] string_concat(m, " (: TERM TYPE).  The atom may contain", _447404)
   Exit: (223) [system] string_concat(m, " (: TERM TYPE).  The atom may contain", "m (: TERM TYPE).  The atom may contain")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "m (: TERM TYPE).  The atom may contain")
   Call: (222) [system] string_concat(r, "m (: TERM TYPE).  The atom may contain", _442760)
   Exit: (222) [system] string_concat(r, "m (: TERM TYPE).  The atom may contain", "rm (: TERM TYPE).  The atom may contain")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "rm (: TERM TYPE).  The atom may contain")
   Call: (221) [system] string_concat(o, "rm (: TERM TYPE).  The atom may contain", _438116)
   Exit: (221) [system] string_concat(o, "rm (: TERM TYPE).  The atom may contain", "orm (: TERM TYPE).  The atom may contain")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "orm (: TERM TYPE).  The atom may contain")
   Call: (220) [system] string_concat(f, "orm (: TERM TYPE).  The atom may contain", _433472)
   Exit: (220) [system] string_concat(f, "orm (: TERM TYPE).  The atom may contain", "form (: TERM TYPE).  The atom may contain")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "form (: TERM TYPE).  The atom may contain")
   Call: (219) [system] string_concat(' ', "form (: TERM TYPE).  The atom may contain", _428828)
   Exit: (219) [system] string_concat(' ', "form (: TERM TYPE).  The atom may contain", " form (: TERM TYPE).  The atom may contain")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), " form (: TERM TYPE).  The atom may contain")
   Call: (218) [system] string_concat(e, " form (: TERM TYPE).  The atom may contain", _424184)
   Exit: (218) [system] string_concat(e, " form (: TERM TYPE).  The atom may contain", "e form (: TERM TYPE).  The atom may contain")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "e form (: TERM TYPE).  The atom may contain")
   Call: (217) [system] string_concat(h, "e form (: TERM TYPE).  The atom may contain", _419540)
   Exit: (217) [system] string_concat(h, "e form (: TERM TYPE).  The atom may contain", "he form (: TERM TYPE).  The atom may contain")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "he form (: TERM TYPE).  The atom may contain")
   Call: (216) [system] string_concat(t, "he form (: TERM TYPE).  The atom may contain", _414896)
   Exit: (216) [system] string_concat(t, "he form (: TERM TYPE).  The atom may contain", "the form (: TERM TYPE).  The atom may contain")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "the form (: TERM TYPE).  The atom may contain")
   Call: (215) [system] string_concat(' ', "the form (: TERM TYPE).  The atom may contain", _410252)
   Exit: (215) [system] string_concat(' ', "the form (: TERM TYPE).  The atom may contain", " the form (: TERM TYPE).  The atom may contain")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), " the form (: TERM TYPE).  The atom may contain")
   Call: (214) [system] string_concat(r, " the form (: TERM TYPE).  The atom may contain", _405608)
   Exit: (214) [system] string_concat(r, " the form (: TERM TYPE).  The atom may contain", "r the form (: TERM TYPE).  The atom may contain")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "r the form (: TERM TYPE).  The atom may contain")
   Call: (213) [system] string_concat(e, "r the form (: TERM TYPE).  The atom may contain", _400964)
   Exit: (213) [system] string_concat(e, "r the form (: TERM TYPE).  The atom may contain", "er the form (: TERM TYPE).  The atom may contain")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "er the form (: TERM TYPE).  The atom may contain")
   Call: (212) [system] string_concat(d, "er the form (: TERM TYPE).  The atom may contain", _396320)
   Exit: (212) [system] string_concat(d, "er the form (: TERM TYPE).  The atom may contain", "der the form (: TERM TYPE).  The atom may contain")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "der the form (: TERM TYPE).  The atom may contain")
   Call: (211) [system] string_concat(n, "der the form (: TERM TYPE).  The atom may contain", _391676)
   Exit: (211) [system] string_concat(n, "der the form (: TERM TYPE).  The atom may contain", "nder the form (: TERM TYPE).  The atom may contain")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "nder the form (: TERM TYPE).  The atom may contain")
   Call: (210) [system] string_concat(u, "nder the form (: TERM TYPE).  The atom may contain", _387032)
   Exit: (210) [system] string_concat(u, "nder the form (: TERM TYPE).  The atom may contain", "under the form (: TERM TYPE).  The atom may contain")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "under the form (: TERM TYPE).  The atom may contain")
   Call: (209) [system] string_concat(' ', "under the form (: TERM TYPE).  The atom may contain", _382388)
   Exit: (209) [system] string_concat(' ', "under the form (: TERM TYPE).  The atom may contain", " under the form (: TERM TYPE).  The atom may contain")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), " under the form (: TERM TYPE).  The atom may contain")
   Call: (208) [system] string_concat(m, " under the form (: TERM TYPE).  The atom may contain", _377744)
   Exit: (208) [system] string_concat(m, " under the form (: TERM TYPE).  The atom may contain", "m under the form (: TERM TYPE).  The atom may contain")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "m under the form (: TERM TYPE).  The atom may contain")
   Call: (207) [system] string_concat(o, "m under the form (: TERM TYPE).  The atom may contain", _373100)
   Exit: (207) [system] string_concat(o, "m under the form (: TERM TYPE).  The atom may contain", "om under the form (: TERM TYPE).  The atom may contain")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "om under the form (: TERM TYPE).  The atom may contain")
   Call: (206) [system] string_concat(t, "om under the form (: TERM TYPE).  The atom may contain", _368456)
   Exit: (206) [system] string_concat(t, "om under the form (: TERM TYPE).  The atom may contain", "tom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "tom under the form (: TERM TYPE).  The atom may contain")
   Call: (205) [system] string_concat('A', "tom under the form (: TERM TYPE).  The atom may contain", _363812)
   Exit: (205) [system] string_concat('A', "tom under the form (: TERM TYPE).  The atom may contain", "Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (204) [system] string_concat(' ', "Atom under the form (: TERM TYPE).  The atom may contain", _359168)
   Exit: (204) [system] string_concat(' ', "Atom under the form (: TERM TYPE).  The atom may contain", " Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), " Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (203) [system] string_concat(n, " Atom under the form (: TERM TYPE).  The atom may contain", _354524)
   Exit: (203) [system] string_concat(n, " Atom under the form (: TERM TYPE).  The atom may contain", "n Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "n Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (202) [system] string_concat(a, "n Atom under the form (: TERM TYPE).  The atom may contain", _349880)
   Exit: (202) [system] string_concat(a, "n Atom under the form (: TERM TYPE).  The atom may contain", "an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (201) [system] string_concat(' ', "an Atom under the form (: TERM TYPE).  The atom may contain", _345236)
   Exit: (201) [system] string_concat(' ', "an Atom under the form (: TERM TYPE).  The atom may contain", " an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), " an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (200) [system] string_concat(:, " an Atom under the form (: TERM TYPE).  The atom may contain", _340592)
   Exit: (200) [system] string_concat(:, " an Atom under the form (: TERM TYPE).  The atom may contain", ": an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), ": an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (199) [system] string_concat(y, ": an Atom under the form (: TERM TYPE).  The atom may contain", _335948)
   Exit: (199) [system] string_concat(y, ": an Atom under the form (: TERM TYPE).  The atom may contain", "y: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "y: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (198) [system] string_concat(r, "y: an Atom under the form (: TERM TYPE).  The atom may contain", _331304)
   Exit: (198) [system] string_concat(r, "y: an Atom under the form (: TERM TYPE).  The atom may contain", "ry: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "ry: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (197) [system] string_concat(e, "ry: an Atom under the form (: TERM TYPE).  The atom may contain", _326660)
   Exit: (197) [system] string_concat(e, "ry: an Atom under the form (: TERM TYPE).  The atom may contain", "ery: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "ery: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (196) [system] string_concat(u, "ery: an Atom under the form (: TERM TYPE).  The atom may contain", _322016)
   Exit: (196) [system] string_concat(u, "ery: an Atom under the form (: TERM TYPE).  The atom may contain", "uery: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "uery: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (195) [system] string_concat(q, "uery: an Atom under the form (: TERM TYPE).  The atom may contain", _317372)
   Exit: (195) [system] string_concat(q, "uery: an Atom under the form (: TERM TYPE).  The atom may contain", "query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (194) [system] string_concat($, "query: an Atom under the form (: TERM TYPE).  The atom may contain", _312728)
   Exit: (194) [system] string_concat($, "query: an Atom under the form (: TERM TYPE).  The atom may contain", "$query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "$query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (193) [system] string_concat(' ', "$query: an Atom under the form (: TERM TYPE).  The atom may contain", _308084)
   Exit: (193) [system] string_concat(' ', "$query: an Atom under the form (: TERM TYPE).  The atom may contain", " $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), " $query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (192) [system] string_concat(;, " $query: an Atom under the form (: TERM TYPE).  The atom may contain", _303440)
   Exit: (192) [system] string_concat(;, " $query: an Atom under the form (: TERM TYPE).  The atom may contain", "; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
   Call: (191) [system] string_concat(;, "; $query: an Atom under the form (: TERM TYPE).  The atom may contain", _298796)
   Exit: (191) [system] string_concat(;, "; $query: an Atom under the form (: TERM TYPE).  The atom may contain", ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), ";; $query: an Atom under the form (: TERM TYPE).  The atom may contain")
^  Call: (190) [user] assertz(metta_file_comment(24, 0, 545, '$COMMENT'(";; $query: an Atom under the form (: TERM TYPE).  The atom may contain", 24, 0), '$stream_position'(545, 24, 0, 545)))
^  Exit: (190) [user] assertz(metta_file_comment(24, 0, 545, '$COMMENT'(";; $query: an Atom under the form (: TERM TYPE).  The atom may contain", 24, 0), '$stream_position'(545, 24, 0, 545)))
^  Exit: (189) [user] read_comment((0x56051b6b4f40))
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _831474)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ;)
   Call: (190) [system] (;)=(;)
   Exit: (190) [system] (;)=(;)
^  Call: (190) [user] read_comment((0x56051b6b4f40))
^  Call: (191) [user] read_position((0x56051b6b4f40), _836112, _836114, _836116, _836118)
   Call: (192) [system] stream_property((0x56051b6b4f40), position(_836118))
   Call: (193) [system] nonvar((0x56051b6b4f40))
   Exit: (193) [system] nonvar((0x56051b6b4f40))
   Call: (193) [system] nonvar(position(_836118))
   Exit: (193) [system] nonvar(position(_836118))
   Exit: (192) [system] stream_property((0x56051b6b4f40), position('$stream_position'(616, 25, 0, 616)))
   Call: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(616, 25, 0, 616), _836112)
   Call: (193) [system] nonvar(line_count)
   Exit: (193) [system] nonvar(line_count)
   Call: (193) [$syspreds] stream_position_field(line_count, _845406)
   Exit: (193) [$syspreds] stream_position_field(line_count, 2)
   Call: (193) [system] arg(2, '$stream_position'(616, 25, 0, 616), _836112)
   Exit: (193) [system] arg(2, '$stream_position'(616, 25, 0, 616), 25)
   Exit: (192) [$syspreds] stream_position_data(line_count, '$stream_position'(616, 25, 0, 616), 25)
   Call: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(616, 25, 0, 616), _836114)
   Call: (193) [system] nonvar(line_position)
   Exit: (193) [system] nonvar(line_position)
   Call: (193) [$syspreds] stream_position_field(line_position, _852840)
   Exit: (193) [$syspreds] stream_position_field(line_position, 3)
   Call: (193) [system] arg(3, '$stream_position'(616, 25, 0, 616), _836114)
   Exit: (193) [system] arg(3, '$stream_position'(616, 25, 0, 616), 0)
   Exit: (192) [$syspreds] stream_position_data(line_position, '$stream_position'(616, 25, 0, 616), 0)
   Call: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(616, 25, 0, 616), _836116)
   Call: (193) [system] nonvar(char_count)
   Exit: (193) [system] nonvar(char_count)
   Call: (193) [$syspreds] stream_position_field(char_count, _860274)
   Exit: (193) [$syspreds] stream_position_field(char_count, 1)
   Call: (193) [system] arg(1, '$stream_position'(616, 25, 0, 616), _836116)
   Exit: (193) [system] arg(1, '$stream_position'(616, 25, 0, 616), 616)
   Exit: (192) [$syspreds] stream_position_data(char_count, '$stream_position'(616, 25, 0, 616), 616)
^  Exit: (191) [user] read_position((0x56051b6b4f40), 25, 0, 616, '$stream_position'(616, 25, 0, 616))
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _865868)
   Call: (192) [system] get_char((0x56051b6b4f40), _866798)
   Exit: (192) [system] get_char((0x56051b6b4f40), ;)
   Call: (192) [system] char_type(;, end_of_line)
   Call: (192) [system] (;)=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _870512)
   Call: (193) [system] get_char((0x56051b6b4f40), _871442)
   Exit: (193) [system] get_char((0x56051b6b4f40), ;)
   Call: (193) [system] char_type(;, end_of_line)
   Call: (193) [system] (;)=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _875156)
   Call: (194) [system] get_char((0x56051b6b4f40), _876086)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _879800)
   Call: (195) [system] get_char((0x56051b6b4f40), _880730)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _884444)
   Call: (196) [system] get_char((0x56051b6b4f40), _885374)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
   Call: (196) [system] char_type(' ', end_of_line)
   Call: (196) [system] ' '=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _889088)
   Call: (197) [system] get_char((0x56051b6b4f40), _890018)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _893732)
   Call: (198) [system] get_char((0x56051b6b4f40), _894662)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _898376)
   Call: (199) [system] get_char((0x56051b6b4f40), _899306)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _903020)
   Call: (200) [system] get_char((0x56051b6b4f40), _903950)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _907664)
   Call: (201) [system] get_char((0x56051b6b4f40), _908594)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _912308)
   Call: (202) [system] get_char((0x56051b6b4f40), _913238)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _916952)
   Call: (203) [system] get_char((0x56051b6b4f40), _917882)
   Exit: (203) [system] get_char((0x56051b6b4f40), f)
   Call: (203) [system] char_type(f, end_of_line)
   Call: (203) [system] f=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _921596)
   Call: (204) [system] get_char((0x56051b6b4f40), _922526)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] char_type(r, end_of_line)
   Call: (204) [system] r=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _926240)
   Call: (205) [system] get_char((0x56051b6b4f40), _927170)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] char_type(e, end_of_line)
   Call: (205) [system] e=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _930884)
   Call: (206) [system] get_char((0x56051b6b4f40), _931814)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] char_type(e, end_of_line)
   Call: (206) [system] e=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _935528)
   Call: (207) [system] get_char((0x56051b6b4f40), _936458)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _940172)
   Call: (208) [system] get_char((0x56051b6b4f40), _941102)
   Exit: (208) [system] get_char((0x56051b6b4f40), v)
   Call: (208) [system] char_type(v, end_of_line)
   Call: (208) [system] v=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _944816)
   Call: (209) [system] get_char((0x56051b6b4f40), _945746)
   Exit: (209) [system] get_char((0x56051b6b4f40), a)
   Call: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _949460)
   Call: (210) [system] get_char((0x56051b6b4f40), _950390)
   Exit: (210) [system] get_char((0x56051b6b4f40), r)
   Call: (210) [system] char_type(r, end_of_line)
   Call: (210) [system] r=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _954104)
   Call: (211) [system] get_char((0x56051b6b4f40), _955034)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] char_type(i, end_of_line)
   Call: (211) [system] i=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _958748)
   Call: (212) [system] get_char((0x56051b6b4f40), _959678)
   Exit: (212) [system] get_char((0x56051b6b4f40), a)
   Call: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _963392)
   Call: (213) [system] get_char((0x56051b6b4f40), _964322)
   Exit: (213) [system] get_char((0x56051b6b4f40), b)
   Call: (213) [system] char_type(b, end_of_line)
   Call: (213) [system] b=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _968036)
   Call: (214) [system] get_char((0x56051b6b4f40), _968966)
   Exit: (214) [system] get_char((0x56051b6b4f40), l)
   Call: (214) [system] char_type(l, end_of_line)
   Call: (214) [system] l=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _972680)
   Call: (215) [system] get_char((0x56051b6b4f40), _973610)
   Exit: (215) [system] get_char((0x56051b6b4f40), e)
   Call: (215) [system] char_type(e, end_of_line)
   Call: (215) [system] e=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _977324)
   Call: (216) [system] get_char((0x56051b6b4f40), _978254)
   Exit: (216) [system] get_char((0x56051b6b4f40), s)
   Call: (216) [system] char_type(s, end_of_line)
   Call: (216) [system] s=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _981968)
   Call: (217) [system] get_char((0x56051b6b4f40), _982898)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _986612)
   Call: (218) [system] get_char((0x56051b6b4f40), _987542)
   Exit: (218) [system] get_char((0x56051b6b4f40), w)
   Call: (218) [system] char_type(w, end_of_line)
   Call: (218) [system] w=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _991256)
   Call: (219) [system] get_char((0x56051b6b4f40), _992186)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] char_type(i, end_of_line)
   Call: (219) [system] i=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _995900)
   Call: (220) [system] get_char((0x56051b6b4f40), _996830)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] char_type(t, end_of_line)
   Call: (220) [system] t=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1000544)
   Call: (221) [system] get_char((0x56051b6b4f40), _1001474)
   Exit: (221) [system] get_char((0x56051b6b4f40), h)
   Call: (221) [system] char_type(h, end_of_line)
   Call: (221) [system] h=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1005188)
   Call: (222) [system] get_char((0x56051b6b4f40), _1006118)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] char_type(i, end_of_line)
   Call: (222) [system] i=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1009832)
   Call: (223) [system] get_char((0x56051b6b4f40), _1010762)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] char_type(n, end_of_line)
   Call: (223) [system] n=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1014476)
   Call: (224) [system] get_char((0x56051b6b4f40), _1015406)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
   Call: (224) [system] char_type(' ', end_of_line)
   Call: (224) [system] ' '=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1019120)
   Call: (225) [system] get_char((0x56051b6b4f40), _1020050)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'T')
   Call: (225) [system] char_type('T', end_of_line)
   Call: (225) [system] 'T'=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1023764)
   Call: (226) [system] get_char((0x56051b6b4f40), _1024694)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'E')
   Call: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] 'E'=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1028408)
   Call: (227) [system] get_char((0x56051b6b4f40), _1029338)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'R')
   Call: (227) [system] char_type('R', end_of_line)
   Call: (227) [system] 'R'=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1033052)
   Call: (228) [system] get_char((0x56051b6b4f40), _1033982)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'M')
   Call: (228) [system] char_type('M', end_of_line)
   Call: (228) [system] 'M'=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1037696)
   Call: (229) [system] get_char((0x56051b6b4f40), _1038626)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
   Call: (229) [system] char_type(' ', end_of_line)
   Call: (229) [system] ' '=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1042340)
   Call: (230) [system] get_char((0x56051b6b4f40), _1043270)
   Exit: (230) [system] get_char((0x56051b6b4f40), a)
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] a=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1046984)
   Call: (231) [system] get_char((0x56051b6b4f40), _1047914)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] char_type(n, end_of_line)
   Call: (231) [system] n=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1051628)
   Call: (232) [system] get_char((0x56051b6b4f40), _1052558)
   Exit: (232) [system] get_char((0x56051b6b4f40), d)
   Call: (232) [system] char_type(d, end_of_line)
   Call: (232) [system] d=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1056272)
   Call: (233) [system] get_char((0x56051b6b4f40), _1057202)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
   Call: (233) [system] char_type(' ', end_of_line)
   Call: (233) [system] ' '=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1060916)
   Call: (234) [system] get_char((0x56051b6b4f40), _1061846)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'T')
   Call: (234) [system] char_type('T', end_of_line)
   Call: (234) [system] 'T'=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1065560)
   Call: (235) [system] get_char((0x56051b6b4f40), _1066490)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'Y')
   Call: (235) [system] char_type('Y', end_of_line)
   Call: (235) [system] 'Y'=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1070204)
   Call: (236) [system] get_char((0x56051b6b4f40), _1071134)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'P')
   Call: (236) [system] char_type('P', end_of_line)
   Call: (236) [system] 'P'=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1074848)
   Call: (237) [system] get_char((0x56051b6b4f40), _1075778)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'E')
   Call: (237) [system] char_type('E', end_of_line)
   Call: (237) [system] 'E'=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1079492)
   Call: (238) [system] get_char((0x56051b6b4f40), _1080422)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
   Call: (238) [system] char_type(' ', end_of_line)
   Call: (238) [system] ' '=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1084136)
   Call: (239) [system] get_char((0x56051b6b4f40), _1085066)
   Exit: (239) [system] get_char((0x56051b6b4f40), t)
   Call: (239) [system] char_type(t, end_of_line)
   Call: (239) [system] t=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _1088780)
   Call: (240) [system] get_char((0x56051b6b4f40), _1089710)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] char_type(o, end_of_line)
   Call: (240) [system] o=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _1093424)
   Call: (241) [system] get_char((0x56051b6b4f40), _1094354)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
   Call: (241) [system] char_type(' ', end_of_line)
   Call: (241) [system] ' '=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _1098068)
   Call: (242) [system] get_char((0x56051b6b4f40), _1098998)
   Exit: (242) [system] get_char((0x56051b6b4f40), f)
   Call: (242) [system] char_type(f, end_of_line)
   Call: (242) [system] f=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _1102712)
   Call: (243) [system] get_char((0x56051b6b4f40), _1103642)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] char_type(o, end_of_line)
   Call: (243) [system] o=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _1107356)
   Call: (244) [system] get_char((0x56051b6b4f40), _1108286)
   Exit: (244) [system] get_char((0x56051b6b4f40), r)
   Call: (244) [system] char_type(r, end_of_line)
   Call: (244) [system] r=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _1112000)
   Call: (245) [system] get_char((0x56051b6b4f40), _1112930)
   Exit: (245) [system] get_char((0x56051b6b4f40), m)
   Call: (245) [system] char_type(m, end_of_line)
   Call: (245) [system] m=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _1116644)
   Call: (246) [system] get_char((0x56051b6b4f40), _1117574)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
   Call: (246) [system] char_type(' ', end_of_line)
   Call: (246) [system] ' '=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _1121288)
   Call: (247) [system] get_char((0x56051b6b4f40), _1122218)
   Exit: (247) [system] get_char((0x56051b6b4f40), v)
   Call: (247) [system] char_type(v, end_of_line)
   Call: (247) [system] v=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _1125932)
   Call: (248) [system] get_char((0x56051b6b4f40), _1126862)
   Exit: (248) [system] get_char((0x56051b6b4f40), a)
   Call: (248) [system] char_type(a, end_of_line)
   Call: (248) [system] a=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _1130576)
   Call: (249) [system] get_char((0x56051b6b4f40), _1131506)
   Exit: (249) [system] get_char((0x56051b6b4f40), r)
   Call: (249) [system] char_type(r, end_of_line)
   Call: (249) [system] r=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _1135220)
   Call: (250) [system] get_char((0x56051b6b4f40), _1136150)
   Exit: (250) [system] get_char((0x56051b6b4f40), i)
   Call: (250) [system] char_type(i, end_of_line)
   Call: (250) [system] i=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _1139864)
   Call: (251) [system] get_char((0x56051b6b4f40), _1140794)
   Exit: (251) [system] get_char((0x56051b6b4f40), o)
   Call: (251) [system] char_type(o, end_of_line)
   Call: (251) [system] o=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _1144508)
   Call: (252) [system] get_char((0x56051b6b4f40), _1145438)
   Exit: (252) [system] get_char((0x56051b6b4f40), u)
   Call: (252) [system] char_type(u, end_of_line)
   Call: (252) [system] u=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _1149152)
   Call: (253) [system] get_char((0x56051b6b4f40), _1150082)
   Exit: (253) [system] get_char((0x56051b6b4f40), s)
   Call: (253) [system] char_type(s, end_of_line)
   Call: (253) [system] s=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _1153796)
   Call: (254) [system] get_char((0x56051b6b4f40), _1154726)
   Exit: (254) [system] get_char((0x56051b6b4f40), ' ')
   Call: (254) [system] char_type(' ', end_of_line)
   Call: (254) [system] ' '=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _1158440)
   Call: (255) [system] get_char((0x56051b6b4f40), _1159370)
   Exit: (255) [system] get_char((0x56051b6b4f40), s)
   Call: (255) [system] char_type(s, end_of_line)
   Call: (255) [system] s=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _1163084)
   Call: (256) [system] get_char((0x56051b6b4f40), _1164014)
   Exit: (256) [system] get_char((0x56051b6b4f40), o)
   Call: (256) [system] char_type(o, end_of_line)
   Call: (256) [system] o=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _1167728)
   Call: (257) [system] get_char((0x56051b6b4f40), _1168658)
   Exit: (257) [system] get_char((0x56051b6b4f40), r)
   Call: (257) [system] char_type(r, end_of_line)
   Call: (257) [system] r=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _1172372)
   Call: (258) [system] get_char((0x56051b6b4f40), _1173302)
   Exit: (258) [system] get_char((0x56051b6b4f40), t)
   Call: (258) [system] char_type(t, end_of_line)
   Call: (258) [system] t=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _1177016)
   Call: (259) [system] get_char((0x56051b6b4f40), _1177946)
   Exit: (259) [system] get_char((0x56051b6b4f40), ' ')
   Call: (259) [system] char_type(' ', end_of_line)
   Call: (259) [system] ' '=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _1181660)
   Call: (260) [system] get_char((0x56051b6b4f40), _1182590)
   Exit: (260) [system] get_char((0x56051b6b4f40), o)
   Call: (260) [system] char_type(o, end_of_line)
   Call: (260) [system] o=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _1186304)
   Call: (261) [system] get_char((0x56051b6b4f40), _1187234)
   Exit: (261) [system] get_char((0x56051b6b4f40), f)
   Call: (261) [system] char_type(f, end_of_line)
   Call: (261) [system] f=end_of_file
^  Call: (261) [user] read_until_eol((0x56051b6b4f40), _1190948)
   Call: (262) [system] get_char((0x56051b6b4f40), _1191878)
   Exit: (262) [system] get_char((0x56051b6b4f40), '\n')
   Call: (262) [system] char_type('\n', end_of_line)
   Exit: (262) [system] char_type('\n', end_of_line)
   Call: (262) [system] _1190948=""
   Exit: (262) [system] ""=""
^  Exit: (261) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (261) [system] string_concat(f, "", _1186304)
   Exit: (261) [system] string_concat(f, "", "f")
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), "f")
   Call: (260) [system] string_concat(o, "f", _1181660)
   Exit: (260) [system] string_concat(o, "f", "of")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), "of")
   Call: (259) [system] string_concat(' ', "of", _1177016)
   Exit: (259) [system] string_concat(' ', "of", " of")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), " of")
   Call: (258) [system] string_concat(t, " of", _1172372)
   Exit: (258) [system] string_concat(t, " of", "t of")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "t of")
   Call: (257) [system] string_concat(r, "t of", _1167728)
   Exit: (257) [system] string_concat(r, "t of", "rt of")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "rt of")
   Call: (256) [system] string_concat(o, "rt of", _1163084)
   Exit: (256) [system] string_concat(o, "rt of", "ort of")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "ort of")
   Call: (255) [system] string_concat(s, "ort of", _1158440)
   Exit: (255) [system] string_concat(s, "ort of", "sort of")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "sort of")
   Call: (254) [system] string_concat(' ', "sort of", _1153796)
   Exit: (254) [system] string_concat(' ', "sort of", " sort of")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), " sort of")
   Call: (253) [system] string_concat(s, " sort of", _1149152)
   Exit: (253) [system] string_concat(s, " sort of", "s sort of")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), "s sort of")
   Call: (252) [system] string_concat(u, "s sort of", _1144508)
   Exit: (252) [system] string_concat(u, "s sort of", "us sort of")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), "us sort of")
   Call: (251) [system] string_concat(o, "us sort of", _1139864)
   Exit: (251) [system] string_concat(o, "us sort of", "ous sort of")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "ous sort of")
   Call: (250) [system] string_concat(i, "ous sort of", _1135220)
   Exit: (250) [system] string_concat(i, "ous sort of", "ious sort of")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "ious sort of")
   Call: (249) [system] string_concat(r, "ious sort of", _1130576)
   Exit: (249) [system] string_concat(r, "ious sort of", "rious sort of")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "rious sort of")
   Call: (248) [system] string_concat(a, "rious sort of", _1125932)
   Exit: (248) [system] string_concat(a, "rious sort of", "arious sort of")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "arious sort of")
   Call: (247) [system] string_concat(v, "arious sort of", _1121288)
   Exit: (247) [system] string_concat(v, "arious sort of", "various sort of")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "various sort of")
   Call: (246) [system] string_concat(' ', "various sort of", _1116644)
   Exit: (246) [system] string_concat(' ', "various sort of", " various sort of")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), " various sort of")
   Call: (245) [system] string_concat(m, " various sort of", _1112000)
   Exit: (245) [system] string_concat(m, " various sort of", "m various sort of")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "m various sort of")
   Call: (244) [system] string_concat(r, "m various sort of", _1107356)
   Exit: (244) [system] string_concat(r, "m various sort of", "rm various sort of")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "rm various sort of")
   Call: (243) [system] string_concat(o, "rm various sort of", _1102712)
   Exit: (243) [system] string_concat(o, "rm various sort of", "orm various sort of")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "orm various sort of")
   Call: (242) [system] string_concat(f, "orm various sort of", _1098068)
   Exit: (242) [system] string_concat(f, "orm various sort of", "form various sort of")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "form various sort of")
   Call: (241) [system] string_concat(' ', "form various sort of", _1093424)
   Exit: (241) [system] string_concat(' ', "form various sort of", " form various sort of")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), " form various sort of")
   Call: (240) [system] string_concat(o, " form various sort of", _1088780)
   Exit: (240) [system] string_concat(o, " form various sort of", "o form various sort of")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "o form various sort of")
   Call: (239) [system] string_concat(t, "o form various sort of", _1084136)
   Exit: (239) [system] string_concat(t, "o form various sort of", "to form various sort of")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "to form various sort of")
   Call: (238) [system] string_concat(' ', "to form various sort of", _1079492)
   Exit: (238) [system] string_concat(' ', "to form various sort of", " to form various sort of")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), " to form various sort of")
   Call: (237) [system] string_concat('E', " to form various sort of", _1074848)
   Exit: (237) [system] string_concat('E', " to form various sort of", "E to form various sort of")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "E to form various sort of")
   Call: (236) [system] string_concat('P', "E to form various sort of", _1070204)
   Exit: (236) [system] string_concat('P', "E to form various sort of", "PE to form various sort of")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "PE to form various sort of")
   Call: (235) [system] string_concat('Y', "PE to form various sort of", _1065560)
   Exit: (235) [system] string_concat('Y', "PE to form various sort of", "YPE to form various sort of")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "YPE to form various sort of")
   Call: (234) [system] string_concat('T', "YPE to form various sort of", _1060916)
   Exit: (234) [system] string_concat('T', "YPE to form various sort of", "TYPE to form various sort of")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "TYPE to form various sort of")
   Call: (233) [system] string_concat(' ', "TYPE to form various sort of", _1056272)
   Exit: (233) [system] string_concat(' ', "TYPE to form various sort of", " TYPE to form various sort of")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), " TYPE to form various sort of")
   Call: (232) [system] string_concat(d, " TYPE to form various sort of", _1051628)
   Exit: (232) [system] string_concat(d, " TYPE to form various sort of", "d TYPE to form various sort of")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "d TYPE to form various sort of")
   Call: (231) [system] string_concat(n, "d TYPE to form various sort of", _1046984)
   Exit: (231) [system] string_concat(n, "d TYPE to form various sort of", "nd TYPE to form various sort of")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "nd TYPE to form various sort of")
   Call: (230) [system] string_concat(a, "nd TYPE to form various sort of", _1042340)
   Exit: (230) [system] string_concat(a, "nd TYPE to form various sort of", "and TYPE to form various sort of")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "and TYPE to form various sort of")
   Call: (229) [system] string_concat(' ', "and TYPE to form various sort of", _1037696)
   Exit: (229) [system] string_concat(' ', "and TYPE to form various sort of", " and TYPE to form various sort of")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), " and TYPE to form various sort of")
   Call: (228) [system] string_concat('M', " and TYPE to form various sort of", _1033052)
   Exit: (228) [system] string_concat('M', " and TYPE to form various sort of", "M and TYPE to form various sort of")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "M and TYPE to form various sort of")
   Call: (227) [system] string_concat('R', "M and TYPE to form various sort of", _1028408)
   Exit: (227) [system] string_concat('R', "M and TYPE to form various sort of", "RM and TYPE to form various sort of")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "RM and TYPE to form various sort of")
   Call: (226) [system] string_concat('E', "RM and TYPE to form various sort of", _1023764)
   Exit: (226) [system] string_concat('E', "RM and TYPE to form various sort of", "ERM and TYPE to form various sort of")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "ERM and TYPE to form various sort of")
   Call: (225) [system] string_concat('T', "ERM and TYPE to form various sort of", _1019120)
   Exit: (225) [system] string_concat('T', "ERM and TYPE to form various sort of", "TERM and TYPE to form various sort of")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "TERM and TYPE to form various sort of")
   Call: (224) [system] string_concat(' ', "TERM and TYPE to form various sort of", _1014476)
   Exit: (224) [system] string_concat(' ', "TERM and TYPE to form various sort of", " TERM and TYPE to form various sort of")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), " TERM and TYPE to form various sort of")
   Call: (223) [system] string_concat(n, " TERM and TYPE to form various sort of", _1009832)
   Exit: (223) [system] string_concat(n, " TERM and TYPE to form various sort of", "n TERM and TYPE to form various sort of")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "n TERM and TYPE to form various sort of")
   Call: (222) [system] string_concat(i, "n TERM and TYPE to form various sort of", _1005188)
   Exit: (222) [system] string_concat(i, "n TERM and TYPE to form various sort of", "in TERM and TYPE to form various sort of")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "in TERM and TYPE to form various sort of")
   Call: (221) [system] string_concat(h, "in TERM and TYPE to form various sort of", _1000544)
   Exit: (221) [system] string_concat(h, "in TERM and TYPE to form various sort of", "hin TERM and TYPE to form various sort of")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "hin TERM and TYPE to form various sort of")
   Call: (220) [system] string_concat(t, "hin TERM and TYPE to form various sort of", _995900)
   Exit: (220) [system] string_concat(t, "hin TERM and TYPE to form various sort of", "thin TERM and TYPE to form various sort of")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "thin TERM and TYPE to form various sort of")
   Call: (219) [system] string_concat(i, "thin TERM and TYPE to form various sort of", _991256)
   Exit: (219) [system] string_concat(i, "thin TERM and TYPE to form various sort of", "ithin TERM and TYPE to form various sort of")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "ithin TERM and TYPE to form various sort of")
   Call: (218) [system] string_concat(w, "ithin TERM and TYPE to form various sort of", _986612)
   Exit: (218) [system] string_concat(w, "ithin TERM and TYPE to form various sort of", "within TERM and TYPE to form various sort of")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "within TERM and TYPE to form various sort of")
   Call: (217) [system] string_concat(' ', "within TERM and TYPE to form various sort of", _981968)
   Exit: (217) [system] string_concat(' ', "within TERM and TYPE to form various sort of", " within TERM and TYPE to form various sort of")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), " within TERM and TYPE to form various sort of")
   Call: (216) [system] string_concat(s, " within TERM and TYPE to form various sort of", _977324)
   Exit: (216) [system] string_concat(s, " within TERM and TYPE to form various sort of", "s within TERM and TYPE to form various sort of")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "s within TERM and TYPE to form various sort of")
   Call: (215) [system] string_concat(e, "s within TERM and TYPE to form various sort of", _972680)
   Exit: (215) [system] string_concat(e, "s within TERM and TYPE to form various sort of", "es within TERM and TYPE to form various sort of")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "es within TERM and TYPE to form various sort of")
   Call: (214) [system] string_concat(l, "es within TERM and TYPE to form various sort of", _968036)
   Exit: (214) [system] string_concat(l, "es within TERM and TYPE to form various sort of", "les within TERM and TYPE to form various sort of")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "les within TERM and TYPE to form various sort of")
   Call: (213) [system] string_concat(b, "les within TERM and TYPE to form various sort of", _963392)
   Exit: (213) [system] string_concat(b, "les within TERM and TYPE to form various sort of", "bles within TERM and TYPE to form various sort of")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "bles within TERM and TYPE to form various sort of")
   Call: (212) [system] string_concat(a, "bles within TERM and TYPE to form various sort of", _958748)
   Exit: (212) [system] string_concat(a, "bles within TERM and TYPE to form various sort of", "ables within TERM and TYPE to form various sort of")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "ables within TERM and TYPE to form various sort of")
   Call: (211) [system] string_concat(i, "ables within TERM and TYPE to form various sort of", _954104)
   Exit: (211) [system] string_concat(i, "ables within TERM and TYPE to form various sort of", "iables within TERM and TYPE to form various sort of")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "iables within TERM and TYPE to form various sort of")
   Call: (210) [system] string_concat(r, "iables within TERM and TYPE to form various sort of", _949460)
   Exit: (210) [system] string_concat(r, "iables within TERM and TYPE to form various sort of", "riables within TERM and TYPE to form various sort of")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "riables within TERM and TYPE to form various sort of")
   Call: (209) [system] string_concat(a, "riables within TERM and TYPE to form various sort of", _944816)
   Exit: (209) [system] string_concat(a, "riables within TERM and TYPE to form various sort of", "ariables within TERM and TYPE to form various sort of")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "ariables within TERM and TYPE to form various sort of")
   Call: (208) [system] string_concat(v, "ariables within TERM and TYPE to form various sort of", _940172)
   Exit: (208) [system] string_concat(v, "ariables within TERM and TYPE to form various sort of", "variables within TERM and TYPE to form various sort of")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "variables within TERM and TYPE to form various sort of")
   Call: (207) [system] string_concat(' ', "variables within TERM and TYPE to form various sort of", _935528)
   Exit: (207) [system] string_concat(' ', "variables within TERM and TYPE to form various sort of", " variables within TERM and TYPE to form various sort of")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), " variables within TERM and TYPE to form various sort of")
   Call: (206) [system] string_concat(e, " variables within TERM and TYPE to form various sort of", _930884)
   Exit: (206) [system] string_concat(e, " variables within TERM and TYPE to form various sort of", "e variables within TERM and TYPE to form various sort of")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "e variables within TERM and TYPE to form various sort of")
   Call: (205) [system] string_concat(e, "e variables within TERM and TYPE to form various sort of", _926240)
   Exit: (205) [system] string_concat(e, "e variables within TERM and TYPE to form various sort of", "ee variables within TERM and TYPE to form various sort of")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "ee variables within TERM and TYPE to form various sort of")
   Call: (204) [system] string_concat(r, "ee variables within TERM and TYPE to form various sort of", _921596)
   Exit: (204) [system] string_concat(r, "ee variables within TERM and TYPE to form various sort of", "ree variables within TERM and TYPE to form various sort of")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "ree variables within TERM and TYPE to form various sort of")
   Call: (203) [system] string_concat(f, "ree variables within TERM and TYPE to form various sort of", _916952)
   Exit: (203) [system] string_concat(f, "ree variables within TERM and TYPE to form various sort of", "free variables within TERM and TYPE to form various sort of")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "free variables within TERM and TYPE to form various sort of")
   Call: (202) [system] string_concat(' ', "free variables within TERM and TYPE to form various sort of", _912308)
   Exit: (202) [system] string_concat(' ', "free variables within TERM and TYPE to form various sort of", " free variables within TERM and TYPE to form various sort of")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), " free variables within TERM and TYPE to form various sort of")
   Call: (201) [system] string_concat(' ', " free variables within TERM and TYPE to form various sort of", _907664)
   Exit: (201) [system] string_concat(' ', " free variables within TERM and TYPE to form various sort of", "  free variables within TERM and TYPE to form various sort of")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "  free variables within TERM and TYPE to form various sort of")
   Call: (200) [system] string_concat(' ', "  free variables within TERM and TYPE to form various sort of", _903020)
   Exit: (200) [system] string_concat(' ', "  free variables within TERM and TYPE to form various sort of", "   free variables within TERM and TYPE to form various sort of")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "   free variables within TERM and TYPE to form various sort of")
   Call: (199) [system] string_concat(' ', "   free variables within TERM and TYPE to form various sort of", _898376)
   Exit: (199) [system] string_concat(' ', "   free variables within TERM and TYPE to form various sort of", "    free variables within TERM and TYPE to form various sort of")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "    free variables within TERM and TYPE to form various sort of")
   Call: (198) [system] string_concat(' ', "    free variables within TERM and TYPE to form various sort of", _893732)
   Exit: (198) [system] string_concat(' ', "    free variables within TERM and TYPE to form various sort of", "     free variables within TERM and TYPE to form various sort of")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "     free variables within TERM and TYPE to form various sort of")
   Call: (197) [system] string_concat(' ', "     free variables within TERM and TYPE to form various sort of", _889088)
   Exit: (197) [system] string_concat(' ', "     free variables within TERM and TYPE to form various sort of", "      free variables within TERM and TYPE to form various sort of")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "      free variables within TERM and TYPE to form various sort of")
   Call: (196) [system] string_concat(' ', "      free variables within TERM and TYPE to form various sort of", _884444)
   Exit: (196) [system] string_concat(' ', "      free variables within TERM and TYPE to form various sort of", "       free variables within TERM and TYPE to form various sort of")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "       free variables within TERM and TYPE to form various sort of")
   Call: (195) [system] string_concat(' ', "       free variables within TERM and TYPE to form various sort of", _879800)
   Exit: (195) [system] string_concat(' ', "       free variables within TERM and TYPE to form various sort of", "        free variables within TERM and TYPE to form various sort of")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "        free variables within TERM and TYPE to form various sort of")
   Call: (194) [system] string_concat(' ', "        free variables within TERM and TYPE to form various sort of", _875156)
   Exit: (194) [system] string_concat(' ', "        free variables within TERM and TYPE to form various sort of", "         free variables within TERM and TYPE to form various sort of")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "         free variables within TERM and TYPE to form various sort of")
   Call: (193) [system] string_concat(;, "         free variables within TERM and TYPE to form various sort of", _870512)
   Exit: (193) [system] string_concat(;, "         free variables within TERM and TYPE to form various sort of", ";         free variables within TERM and TYPE to form various sort of")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), ";         free variables within TERM and TYPE to form various sort of")
   Call: (192) [system] string_concat(;, ";         free variables within TERM and TYPE to form various sort of", _865868)
   Exit: (192) [system] string_concat(;, ";         free variables within TERM and TYPE to form various sort of", ";;         free variables within TERM and TYPE to form various sort of")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), ";;         free variables within TERM and TYPE to form various sort of")
^  Call: (191) [user] assertz(metta_file_comment(25, 0, 616, '$COMMENT'(";;         free variables within TERM and TYPE to form various sort of", 25, 0), '$stream_position'(616, 25, 0, 616)))
^  Exit: (191) [user] assertz(metta_file_comment(25, 0, 616, '$COMMENT'(";;         free variables within TERM and TYPE to form various sort of", 25, 0), '$stream_position'(616, 25, 0, 616)))
^  Exit: (190) [user] read_comment((0x56051b6b4f40))
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1398546)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ;)
   Call: (191) [system] (;)=(;)
   Exit: (191) [system] (;)=(;)
^  Call: (191) [user] read_comment((0x56051b6b4f40))
^  Call: (192) [user] read_position((0x56051b6b4f40), _1403184, _1403186, _1403188, _1403190)
   Call: (193) [system] stream_property((0x56051b6b4f40), position(_1403190))
   Call: (194) [system] nonvar((0x56051b6b4f40))
   Exit: (194) [system] nonvar((0x56051b6b4f40))
   Call: (194) [system] nonvar(position(_1403190))
   Exit: (194) [system] nonvar(position(_1403190))
   Exit: (193) [system] stream_property((0x56051b6b4f40), position('$stream_position'(687, 26, 0, 687)))
   Call: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(687, 26, 0, 687), _1403184)
   Call: (194) [system] nonvar(line_count)
   Exit: (194) [system] nonvar(line_count)
   Call: (194) [$syspreds] stream_position_field(line_count, _1412478)
   Exit: (194) [$syspreds] stream_position_field(line_count, 2)
   Call: (194) [system] arg(2, '$stream_position'(687, 26, 0, 687), _1403184)
   Exit: (194) [system] arg(2, '$stream_position'(687, 26, 0, 687), 26)
   Exit: (193) [$syspreds] stream_position_data(line_count, '$stream_position'(687, 26, 0, 687), 26)
   Call: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(687, 26, 0, 687), _1403186)
   Call: (194) [system] nonvar(line_position)
   Exit: (194) [system] nonvar(line_position)
   Call: (194) [$syspreds] stream_position_field(line_position, _1419912)
   Exit: (194) [$syspreds] stream_position_field(line_position, 3)
   Call: (194) [system] arg(3, '$stream_position'(687, 26, 0, 687), _1403186)
   Exit: (194) [system] arg(3, '$stream_position'(687, 26, 0, 687), 0)
   Exit: (193) [$syspreds] stream_position_data(line_position, '$stream_position'(687, 26, 0, 687), 0)
   Call: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(687, 26, 0, 687), _1403188)
   Call: (194) [system] nonvar(char_count)
   Exit: (194) [system] nonvar(char_count)
   Call: (194) [$syspreds] stream_position_field(char_count, _1427346)
   Exit: (194) [$syspreds] stream_position_field(char_count, 1)
   Call: (194) [system] arg(1, '$stream_position'(687, 26, 0, 687), _1403188)
   Exit: (194) [system] arg(1, '$stream_position'(687, 26, 0, 687), 687)
   Exit: (193) [$syspreds] stream_position_data(char_count, '$stream_position'(687, 26, 0, 687), 687)
^  Exit: (192) [user] read_position((0x56051b6b4f40), 26, 0, 687, '$stream_position'(687, 26, 0, 687))
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1432940)
   Call: (193) [system] get_char((0x56051b6b4f40), _1433870)
   Exit: (193) [system] get_char((0x56051b6b4f40), ;)
   Call: (193) [system] char_type(;, end_of_line)
   Call: (193) [system] (;)=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1437584)
   Call: (194) [system] get_char((0x56051b6b4f40), _1438514)
   Exit: (194) [system] get_char((0x56051b6b4f40), ;)
   Call: (194) [system] char_type(;, end_of_line)
   Call: (194) [system] (;)=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1442228)
   Call: (195) [system] get_char((0x56051b6b4f40), _1443158)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
   Call: (195) [system] char_type(' ', end_of_line)
   Call: (195) [system] ' '=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1446872)
   Call: (196) [system] get_char((0x56051b6b4f40), _1447802)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
   Call: (196) [system] char_type(' ', end_of_line)
   Call: (196) [system] ' '=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1451516)
   Call: (197) [system] get_char((0x56051b6b4f40), _1452446)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1456160)
   Call: (198) [system] get_char((0x56051b6b4f40), _1457090)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1460804)
   Call: (199) [system] get_char((0x56051b6b4f40), _1461734)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1465448)
   Call: (200) [system] get_char((0x56051b6b4f40), _1466378)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1470092)
   Call: (201) [system] get_char((0x56051b6b4f40), _1471022)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1474736)
   Call: (202) [system] get_char((0x56051b6b4f40), _1475666)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _1479380)
   Call: (203) [system] get_char((0x56051b6b4f40), _1480310)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1484024)
   Call: (204) [system] get_char((0x56051b6b4f40), _1484954)
   Exit: (204) [system] get_char((0x56051b6b4f40), q)
   Call: (204) [system] char_type(q, end_of_line)
   Call: (204) [system] q=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1488668)
   Call: (205) [system] get_char((0x56051b6b4f40), _1489598)
   Exit: (205) [system] get_char((0x56051b6b4f40), u)
   Call: (205) [system] char_type(u, end_of_line)
   Call: (205) [system] u=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1493312)
   Call: (206) [system] get_char((0x56051b6b4f40), _1494242)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] char_type(e, end_of_line)
   Call: (206) [system] e=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1497956)
   Call: (207) [system] get_char((0x56051b6b4f40), _1498886)
   Exit: (207) [system] get_char((0x56051b6b4f40), r)
   Call: (207) [system] char_type(r, end_of_line)
   Call: (207) [system] r=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _1502600)
   Call: (208) [system] get_char((0x56051b6b4f40), _1503530)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] char_type(i, end_of_line)
   Call: (208) [system] i=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _1507244)
   Call: (209) [system] get_char((0x56051b6b4f40), _1508174)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] char_type(e, end_of_line)
   Call: (209) [system] e=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _1511888)
   Call: (210) [system] get_char((0x56051b6b4f40), _1512818)
   Exit: (210) [system] get_char((0x56051b6b4f40), s)
   Call: (210) [system] char_type(s, end_of_line)
   Call: (210) [system] s=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1516532)
   Call: (211) [system] get_char((0x56051b6b4f40), _1517462)
   Exit: (211) [system] get_char((0x56051b6b4f40), '\n')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
   Call: (211) [system] _1516532=""
   Exit: (211) [system] ""=""
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (210) [system] string_concat(s, "", _1511888)
   Exit: (210) [system] string_concat(s, "", "s")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "s")
   Call: (209) [system] string_concat(e, "s", _1507244)
   Exit: (209) [system] string_concat(e, "s", "es")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "es")
   Call: (208) [system] string_concat(i, "es", _1502600)
   Exit: (208) [system] string_concat(i, "es", "ies")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "ies")
   Call: (207) [system] string_concat(r, "ies", _1497956)
   Exit: (207) [system] string_concat(r, "ies", "ries")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "ries")
   Call: (206) [system] string_concat(e, "ries", _1493312)
   Exit: (206) [system] string_concat(e, "ries", "eries")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "eries")
   Call: (205) [system] string_concat(u, "eries", _1488668)
   Exit: (205) [system] string_concat(u, "eries", "ueries")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "ueries")
   Call: (204) [system] string_concat(q, "ueries", _1484024)
   Exit: (204) [system] string_concat(q, "ueries", "queries")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "queries")
   Call: (203) [system] string_concat(' ', "queries", _1479380)
   Exit: (203) [system] string_concat(' ', "queries", " queries")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), " queries")
   Call: (202) [system] string_concat(' ', " queries", _1474736)
   Exit: (202) [system] string_concat(' ', " queries", "  queries")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "  queries")
   Call: (201) [system] string_concat(' ', "  queries", _1470092)
   Exit: (201) [system] string_concat(' ', "  queries", "   queries")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "   queries")
   Call: (200) [system] string_concat(' ', "   queries", _1465448)
   Exit: (200) [system] string_concat(' ', "   queries", "    queries")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "    queries")
   Call: (199) [system] string_concat(' ', "    queries", _1460804)
   Exit: (199) [system] string_concat(' ', "    queries", "     queries")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "     queries")
   Call: (198) [system] string_concat(' ', "     queries", _1456160)
   Exit: (198) [system] string_concat(' ', "     queries", "      queries")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "      queries")
   Call: (197) [system] string_concat(' ', "      queries", _1451516)
   Exit: (197) [system] string_concat(' ', "      queries", "       queries")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "       queries")
   Call: (196) [system] string_concat(' ', "       queries", _1446872)
   Exit: (196) [system] string_concat(' ', "       queries", "        queries")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "        queries")
   Call: (195) [system] string_concat(' ', "        queries", _1442228)
   Exit: (195) [system] string_concat(' ', "        queries", "         queries")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "         queries")
   Call: (194) [system] string_concat(;, "         queries", _1437584)
   Exit: (194) [system] string_concat(;, "         queries", ";         queries")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), ";         queries")
   Call: (193) [system] string_concat(;, ";         queries", _1432940)
   Exit: (193) [system] string_concat(;, ";         queries", ";;         queries")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), ";;         queries")
^  Call: (192) [user] assertz(metta_file_comment(26, 0, 687, '$COMMENT'(";;         queries", 26, 0), '$stream_position'(687, 26, 0, 687)))
^  Exit: (192) [user] assertz(metta_file_comment(26, 0, 687, '$COMMENT'(";;         queries", 26, 0), '$stream_position'(687, 26, 0, 687)))
^  Exit: (191) [user] read_comment((0x56051b6b4f40))
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1578090)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ;)
   Call: (192) [system] (;)=(;)
   Exit: (192) [system] (;)=(;)
^  Call: (192) [user] read_comment((0x56051b6b4f40))
^  Call: (193) [user] read_position((0x56051b6b4f40), _1582728, _1582730, _1582732, _1582734)
   Call: (194) [system] stream_property((0x56051b6b4f40), position(_1582734))
   Call: (195) [system] nonvar((0x56051b6b4f40))
   Exit: (195) [system] nonvar((0x56051b6b4f40))
   Call: (195) [system] nonvar(position(_1582734))
   Exit: (195) [system] nonvar(position(_1582734))
   Exit: (194) [system] stream_property((0x56051b6b4f40), position('$stream_position'(706, 27, 0, 706)))
   Call: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(706, 27, 0, 706), _1582728)
   Call: (195) [system] nonvar(line_count)
   Exit: (195) [system] nonvar(line_count)
   Call: (195) [$syspreds] stream_position_field(line_count, _1592022)
   Exit: (195) [$syspreds] stream_position_field(line_count, 2)
   Call: (195) [system] arg(2, '$stream_position'(706, 27, 0, 706), _1582728)
   Exit: (195) [system] arg(2, '$stream_position'(706, 27, 0, 706), 27)
   Exit: (194) [$syspreds] stream_position_data(line_count, '$stream_position'(706, 27, 0, 706), 27)
   Call: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(706, 27, 0, 706), _1582730)
   Call: (195) [system] nonvar(line_position)
   Exit: (195) [system] nonvar(line_position)
   Call: (195) [$syspreds] stream_position_field(line_position, _1599456)
   Exit: (195) [$syspreds] stream_position_field(line_position, 3)
   Call: (195) [system] arg(3, '$stream_position'(706, 27, 0, 706), _1582730)
   Exit: (195) [system] arg(3, '$stream_position'(706, 27, 0, 706), 0)
   Exit: (194) [$syspreds] stream_position_data(line_position, '$stream_position'(706, 27, 0, 706), 0)
   Call: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(706, 27, 0, 706), _1582732)
   Call: (195) [system] nonvar(char_count)
   Exit: (195) [system] nonvar(char_count)
   Call: (195) [$syspreds] stream_position_field(char_count, _1606890)
   Exit: (195) [$syspreds] stream_position_field(char_count, 1)
   Call: (195) [system] arg(1, '$stream_position'(706, 27, 0, 706), _1582732)
   Exit: (195) [system] arg(1, '$stream_position'(706, 27, 0, 706), 706)
   Exit: (194) [$syspreds] stream_position_data(char_count, '$stream_position'(706, 27, 0, 706), 706)
^  Exit: (193) [user] read_position((0x56051b6b4f40), 27, 0, 706, '$stream_position'(706, 27, 0, 706))
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1612484)
   Call: (194) [system] get_char((0x56051b6b4f40), _1613414)
   Exit: (194) [system] get_char((0x56051b6b4f40), ;)
   Call: (194) [system] char_type(;, end_of_line)
   Call: (194) [system] (;)=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1617128)
   Call: (195) [system] get_char((0x56051b6b4f40), _1618058)
   Exit: (195) [system] get_char((0x56051b6b4f40), ;)
   Call: (195) [system] char_type(;, end_of_line)
   Call: (195) [system] (;)=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1621772)
   Call: (196) [system] get_char((0x56051b6b4f40), _1622702)
   Exit: (196) [system] get_char((0x56051b6b4f40), '\t')
   Call: (196) [system] char_type('\t', end_of_line)
   Call: (196) [system] '\t'=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1626416)
   Call: (197) [system] get_char((0x56051b6b4f40), _1627346)
   Exit: (197) [system] get_char((0x56051b6b4f40), '\t')
   Call: (197) [system] char_type('\t', end_of_line)
   Call: (197) [system] '\t'=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1631060)
   Call: (198) [system] get_char((0x56051b6b4f40), _1631990)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1635704)
   Call: (199) [system] get_char((0x56051b6b4f40), _1636634)
   Exit: (199) [system] get_char((0x56051b6b4f40), s)
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] s=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1640348)
   Call: (200) [system] get_char((0x56051b6b4f40), _1641278)
   Exit: (200) [system] get_char((0x56051b6b4f40), u)
   Call: (200) [system] char_type(u, end_of_line)
   Call: (200) [system] u=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1644992)
   Call: (201) [system] get_char((0x56051b6b4f40), _1645922)
   Exit: (201) [system] get_char((0x56051b6b4f40), c)
   Call: (201) [system] char_type(c, end_of_line)
   Call: (201) [system] c=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1649636)
   Call: (202) [system] get_char((0x56051b6b4f40), _1650566)
   Exit: (202) [system] get_char((0x56051b6b4f40), h)
   Call: (202) [system] char_type(h, end_of_line)
   Call: (202) [system] h=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _1654280)
   Call: (203) [system] get_char((0x56051b6b4f40), _1655210)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1658924)
   Call: (204) [system] get_char((0x56051b6b4f40), _1659854)
   Exit: (204) [system] get_char((0x56051b6b4f40), a)
   Call: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] a=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1663568)
   Call: (205) [system] get_char((0x56051b6b4f40), _1664498)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] char_type(s, end_of_line)
   Call: (205) [system] s=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1668212)
   Call: (206) [system] get_char((0x56051b6b4f40), _1669142)
   Exit: (206) [system] get_char((0x56051b6b4f40), :)
   Call: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1672856)
   Call: (207) [system] get_char((0x56051b6b4f40), _1673786)
   Exit: (207) [system] get_char((0x56051b6b4f40), '\n')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
   Call: (207) [system] _1672856=""
   Exit: (207) [system] ""=""
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (206) [system] string_concat(:, "", _1668212)
   Exit: (206) [system] string_concat(:, "", ":")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), ":")
   Call: (205) [system] string_concat(s, ":", _1663568)
   Exit: (205) [system] string_concat(s, ":", "s:")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "s:")
   Call: (204) [system] string_concat(a, "s:", _1658924)
   Exit: (204) [system] string_concat(a, "s:", "as:")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "as:")
   Call: (203) [system] string_concat(' ', "as:", _1654280)
   Exit: (203) [system] string_concat(' ', "as:", " as:")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), " as:")
   Call: (202) [system] string_concat(h, " as:", _1649636)
   Exit: (202) [system] string_concat(h, " as:", "h as:")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "h as:")
   Call: (201) [system] string_concat(c, "h as:", _1644992)
   Exit: (201) [system] string_concat(c, "h as:", "ch as:")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "ch as:")
   Call: (200) [system] string_concat(u, "ch as:", _1640348)
   Exit: (200) [system] string_concat(u, "ch as:", "uch as:")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "uch as:")
   Call: (199) [system] string_concat(s, "uch as:", _1635704)
   Exit: (199) [system] string_concat(s, "uch as:", "such as:")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "such as:")
   Call: (198) [system] string_concat(' ', "such as:", _1631060)
   Exit: (198) [system] string_concat(' ', "such as:", " such as:")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), " such as:")
   Call: (197) [system] string_concat('\t', " such as:", _1626416)
   Exit: (197) [system] string_concat('\t', " such as:", "\t such as:")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "\t such as:")
   Call: (196) [system] string_concat('\t', "\t such as:", _1621772)
   Exit: (196) [system] string_concat('\t', "\t such as:", "\t\t such as:")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "\t\t such as:")
   Call: (195) [system] string_concat(;, "\t\t such as:", _1617128)
   Exit: (195) [system] string_concat(;, "\t\t such as:", ";\t\t such as:")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), ";\t\t such as:")
   Call: (194) [system] string_concat(;, ";\t\t such as:", _1612484)
   Exit: (194) [system] string_concat(;, ";\t\t such as:", ";;\t\t such as:")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), ";;\t\t such as:")
^  Call: (193) [user] assertz(metta_file_comment(27, 0, 706, '$COMMENT'(";;\t\t such as:", 27, 0), '$stream_position'(706, 27, 0, 706)))
^  Exit: (193) [user] assertz(metta_file_comment(27, 0, 706, '$COMMENT'(";;\t\t such as:", 27, 0), '$stream_position'(706, 27, 0, 706)))
^  Exit: (192) [user] read_comment((0x56051b6b4f40))
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1720406)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ;)
   Call: (193) [system] (;)=(;)
   Exit: (193) [system] (;)=(;)
^  Call: (193) [user] read_comment((0x56051b6b4f40))
^  Call: (194) [user] read_position((0x56051b6b4f40), _1725044, _1725046, _1725048, _1725050)
   Call: (195) [system] stream_property((0x56051b6b4f40), position(_1725050))
   Call: (196) [system] nonvar((0x56051b6b4f40))
   Exit: (196) [system] nonvar((0x56051b6b4f40))
   Call: (196) [system] nonvar(position(_1725050))
   Exit: (196) [system] nonvar(position(_1725050))
   Exit: (195) [system] stream_property((0x56051b6b4f40), position('$stream_position'(720, 28, 0, 720)))
   Call: (195) [$syspreds] stream_position_data(line_count, '$stream_position'(720, 28, 0, 720), _1725044)
   Call: (196) [system] nonvar(line_count)
   Exit: (196) [system] nonvar(line_count)
   Call: (196) [$syspreds] stream_position_field(line_count, _1734338)
   Exit: (196) [$syspreds] stream_position_field(line_count, 2)
   Call: (196) [system] arg(2, '$stream_position'(720, 28, 0, 720), _1725044)
   Exit: (196) [system] arg(2, '$stream_position'(720, 28, 0, 720), 28)
   Exit: (195) [$syspreds] stream_position_data(line_count, '$stream_position'(720, 28, 0, 720), 28)
   Call: (195) [$syspreds] stream_position_data(line_position, '$stream_position'(720, 28, 0, 720), _1725046)
   Call: (196) [system] nonvar(line_position)
   Exit: (196) [system] nonvar(line_position)
   Call: (196) [$syspreds] stream_position_field(line_position, _1741772)
   Exit: (196) [$syspreds] stream_position_field(line_position, 3)
   Call: (196) [system] arg(3, '$stream_position'(720, 28, 0, 720), _1725046)
   Exit: (196) [system] arg(3, '$stream_position'(720, 28, 0, 720), 0)
   Exit: (195) [$syspreds] stream_position_data(line_position, '$stream_position'(720, 28, 0, 720), 0)
   Call: (195) [$syspreds] stream_position_data(char_count, '$stream_position'(720, 28, 0, 720), _1725048)
   Call: (196) [system] nonvar(char_count)
   Exit: (196) [system] nonvar(char_count)
   Call: (196) [$syspreds] stream_position_field(char_count, _1749206)
   Exit: (196) [$syspreds] stream_position_field(char_count, 1)
   Call: (196) [system] arg(1, '$stream_position'(720, 28, 0, 720), _1725048)
   Exit: (196) [system] arg(1, '$stream_position'(720, 28, 0, 720), 720)
   Exit: (195) [$syspreds] stream_position_data(char_count, '$stream_position'(720, 28, 0, 720), 720)
^  Exit: (194) [user] read_position((0x56051b6b4f40), 28, 0, 720, '$stream_position'(720, 28, 0, 720))
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1754800)
   Call: (195) [system] get_char((0x56051b6b4f40), _1755730)
   Exit: (195) [system] get_char((0x56051b6b4f40), ;)
   Call: (195) [system] char_type(;, end_of_line)
   Call: (195) [system] (;)=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1759444)
   Call: (196) [system] get_char((0x56051b6b4f40), _1760374)
   Exit: (196) [system] get_char((0x56051b6b4f40), ;)
   Call: (196) [system] char_type(;, end_of_line)
   Call: (196) [system] (;)=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1764088)
   Call: (197) [system] get_char((0x56051b6b4f40), _1765018)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1768732)
   Call: (198) [system] get_char((0x56051b6b4f40), _1769662)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1773376)
   Call: (199) [system] get_char((0x56051b6b4f40), _1774306)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1778020)
   Call: (200) [system] get_char((0x56051b6b4f40), _1778950)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1782664)
   Call: (201) [system] get_char((0x56051b6b4f40), _1783594)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1787308)
   Call: (202) [system] get_char((0x56051b6b4f40), _1788238)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _1791952)
   Call: (203) [system] get_char((0x56051b6b4f40), _1792882)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1796596)
   Call: (204) [system] get_char((0x56051b6b4f40), _1797526)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1801240)
   Call: (205) [system] get_char((0x56051b6b4f40), _1802170)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1805884)
   Call: (206) [system] get_char((0x56051b6b4f40), _1806814)
   Exit: (206) [system] get_char((0x56051b6b4f40), '1')
   Call: (206) [system] char_type('1', end_of_line)
   Call: (206) [system] '1'=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1810528)
   Call: (207) [system] get_char((0x56051b6b4f40), _1811458)
   Exit: (207) [system] get_char((0x56051b6b4f40), '.')
   Call: (207) [system] char_type('.', end_of_line)
   Call: (207) [system] ('.')=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _1815172)
   Call: (208) [system] get_char((0x56051b6b4f40), _1816102)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _1819816)
   Call: (209) [system] get_char((0x56051b6b4f40), _1820746)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'B')
   Call: (209) [system] char_type('B', end_of_line)
   Call: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _1824460)
   Call: (210) [system] get_char((0x56051b6b4f40), _1825390)
   Exit: (210) [system] get_char((0x56051b6b4f40), a)
   Call: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] a=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1829104)
   Call: (211) [system] get_char((0x56051b6b4f40), _1830034)
   Exit: (211) [system] get_char((0x56051b6b4f40), c)
   Call: (211) [system] char_type(c, end_of_line)
   Call: (211) [system] c=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1833748)
   Call: (212) [system] get_char((0x56051b6b4f40), _1834678)
   Exit: (212) [system] get_char((0x56051b6b4f40), k)
   Call: (212) [system] char_type(k, end_of_line)
   Call: (212) [system] k=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1838392)
   Call: (213) [system] get_char((0x56051b6b4f40), _1839322)
   Exit: (213) [system] get_char((0x56051b6b4f40), w)
   Call: (213) [system] char_type(w, end_of_line)
   Call: (213) [system] w=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1843036)
   Call: (214) [system] get_char((0x56051b6b4f40), _1843966)
   Exit: (214) [system] get_char((0x56051b6b4f40), a)
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1847680)
   Call: (215) [system] get_char((0x56051b6b4f40), _1848610)
   Exit: (215) [system] get_char((0x56051b6b4f40), r)
   Call: (215) [system] char_type(r, end_of_line)
   Call: (215) [system] r=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1852324)
   Call: (216) [system] get_char((0x56051b6b4f40), _1853254)
   Exit: (216) [system] get_char((0x56051b6b4f40), d)
   Call: (216) [system] char_type(d, end_of_line)
   Call: (216) [system] d=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1856968)
   Call: (217) [system] get_char((0x56051b6b4f40), _1857898)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1861612)
   Call: (218) [system] get_char((0x56051b6b4f40), _1862542)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] c=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1866256)
   Call: (219) [system] get_char((0x56051b6b4f40), _1867186)
   Exit: (219) [system] get_char((0x56051b6b4f40), h)
   Call: (219) [system] char_type(h, end_of_line)
   Call: (219) [system] h=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1870900)
   Call: (220) [system] get_char((0x56051b6b4f40), _1871830)
   Exit: (220) [system] get_char((0x56051b6b4f40), a)
   Call: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] a=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1875544)
   Call: (221) [system] get_char((0x56051b6b4f40), _1876474)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] char_type(i, end_of_line)
   Call: (221) [system] i=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1880188)
   Call: (222) [system] get_char((0x56051b6b4f40), _1881118)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] char_type(n, end_of_line)
   Call: (222) [system] n=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1884832)
   Call: (223) [system] get_char((0x56051b6b4f40), _1885762)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] char_type(i, end_of_line)
   Call: (223) [system] i=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1889476)
   Call: (224) [system] get_char((0x56051b6b4f40), _1890406)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] char_type(n, end_of_line)
   Call: (224) [system] n=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1894120)
   Call: (225) [system] get_char((0x56051b6b4f40), _1895050)
   Exit: (225) [system] get_char((0x56051b6b4f40), g)
   Call: (225) [system] char_type(g, end_of_line)
   Call: (225) [system] g=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1898764)
   Call: (226) [system] get_char((0x56051b6b4f40), _1899694)
   Exit: (226) [system] get_char((0x56051b6b4f40), :)
   Call: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1903408)
   Call: (227) [system] get_char((0x56051b6b4f40), _1904338)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
   Call: (227) [system] char_type(' ', end_of_line)
   Call: (227) [system] ' '=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1908052)
   Call: (228) [system] get_char((0x56051b6b4f40), _1908982)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1912696)
   Call: (229) [system] get_char((0x56051b6b4f40), _1913626)
   Exit: (229) [system] get_char((0x56051b6b4f40), :)
   Call: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] (:)=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1917340)
   Call: (230) [system] get_char((0x56051b6b4f40), _1918270)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1921984)
   Call: (231) [system] get_char((0x56051b6b4f40), _1922914)
   Exit: (231) [system] get_char((0x56051b6b4f40), $)
   Call: (231) [system] char_type($, end_of_line)
   Call: (231) [system] ($)=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1926628)
   Call: (232) [system] get_char((0x56051b6b4f40), _1927558)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] char_type(t, end_of_line)
   Call: (232) [system] t=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1931272)
   Call: (233) [system] get_char((0x56051b6b4f40), _1932202)
   Exit: (233) [system] get_char((0x56051b6b4f40), e)
   Call: (233) [system] char_type(e, end_of_line)
   Call: (233) [system] e=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1935916)
   Call: (234) [system] get_char((0x56051b6b4f40), _1936846)
   Exit: (234) [system] get_char((0x56051b6b4f40), r)
   Call: (234) [system] char_type(r, end_of_line)
   Call: (234) [system] r=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1940560)
   Call: (235) [system] get_char((0x56051b6b4f40), _1941490)
   Exit: (235) [system] get_char((0x56051b6b4f40), m)
   Call: (235) [system] char_type(m, end_of_line)
   Call: (235) [system] m=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1945204)
   Call: (236) [system] get_char((0x56051b6b4f40), _1946134)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
   Call: (236) [system] char_type(' ', end_of_line)
   Call: (236) [system] ' '=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1949848)
   Call: (237) [system] get_char((0x56051b6b4f40), _1950778)
   Exit: (237) [system] get_char((0x56051b6b4f40), '(')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] '('=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1954492)
   Call: (238) [system] get_char((0x56051b6b4f40), _1955422)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'I')
   Call: (238) [system] char_type('I', end_of_line)
   Call: (238) [system] 'I'=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1959136)
   Call: (239) [system] get_char((0x56051b6b4f40), _1960066)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] char_type(n, end_of_line)
   Call: (239) [system] n=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _1963780)
   Call: (240) [system] get_char((0x56051b6b4f40), _1964710)
   Exit: (240) [system] get_char((0x56051b6b4f40), h)
   Call: (240) [system] char_type(h, end_of_line)
   Call: (240) [system] h=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _1968424)
   Call: (241) [system] get_char((0x56051b6b4f40), _1969354)
   Exit: (241) [system] get_char((0x56051b6b4f40), e)
   Call: (241) [system] char_type(e, end_of_line)
   Call: (241) [system] e=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _1973068)
   Call: (242) [system] get_char((0x56051b6b4f40), _1973998)
   Exit: (242) [system] get_char((0x56051b6b4f40), r)
   Call: (242) [system] char_type(r, end_of_line)
   Call: (242) [system] r=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _1977712)
   Call: (243) [system] get_char((0x56051b6b4f40), _1978642)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] char_type(i, end_of_line)
   Call: (243) [system] i=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _1982356)
   Call: (244) [system] get_char((0x56051b6b4f40), _1983286)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] char_type(t, end_of_line)
   Call: (244) [system] t=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _1987000)
   Call: (245) [system] get_char((0x56051b6b4f40), _1987930)
   Exit: (245) [system] get_char((0x56051b6b4f40), a)
   Call: (245) [system] char_type(a, end_of_line)
   Call: (245) [system] a=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _1991644)
   Call: (246) [system] get_char((0x56051b6b4f40), _1992574)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] char_type(n, end_of_line)
   Call: (246) [system] n=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _1996288)
   Call: (247) [system] get_char((0x56051b6b4f40), _1997218)
   Exit: (247) [system] get_char((0x56051b6b4f40), c)
   Call: (247) [system] char_type(c, end_of_line)
   Call: (247) [system] c=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _2000932)
   Call: (248) [system] get_char((0x56051b6b4f40), _2001862)
   Exit: (248) [system] get_char((0x56051b6b4f40), e)
   Call: (248) [system] char_type(e, end_of_line)
   Call: (248) [system] e=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _2005576)
   Call: (249) [system] get_char((0x56051b6b4f40), _2006506)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
   Call: (249) [system] char_type(' ', end_of_line)
   Call: (249) [system] ' '=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _2010220)
   Call: (250) [system] get_char((0x56051b6b4f40), _2011150)
   Exit: (250) [system] get_char((0x56051b6b4f40), $)
   Call: (250) [system] char_type($, end_of_line)
   Call: (250) [system] ($)=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _2014864)
   Call: (251) [system] get_char((0x56051b6b4f40), _2015794)
   Exit: (251) [system] get_char((0x56051b6b4f40), x)
   Call: (251) [system] char_type(x, end_of_line)
   Call: (251) [system] x=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _2019508)
   Call: (252) [system] get_char((0x56051b6b4f40), _2020438)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
   Call: (252) [system] char_type(' ', end_of_line)
   Call: (252) [system] ' '=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _2024152)
   Call: (253) [system] get_char((0x56051b6b4f40), _2025082)
   Exit: (253) [system] get_char((0x56051b6b4f40), 'M')
   Call: (253) [system] char_type('M', end_of_line)
   Call: (253) [system] 'M'=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _2028796)
   Call: (254) [system] get_char((0x56051b6b4f40), _2029726)
   Exit: (254) [system] get_char((0x56051b6b4f40), a)
   Call: (254) [system] char_type(a, end_of_line)
   Call: (254) [system] a=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _2033440)
   Call: (255) [system] get_char((0x56051b6b4f40), _2034370)
   Exit: (255) [system] get_char((0x56051b6b4f40), m)
   Call: (255) [system] char_type(m, end_of_line)
   Call: (255) [system] m=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _2038084)
   Call: (256) [system] get_char((0x56051b6b4f40), _2039014)
   Exit: (256) [system] get_char((0x56051b6b4f40), m)
   Call: (256) [system] char_type(m, end_of_line)
   Call: (256) [system] m=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _2042728)
   Call: (257) [system] get_char((0x56051b6b4f40), _2043658)
   Exit: (257) [system] get_char((0x56051b6b4f40), a)
   Call: (257) [system] char_type(a, end_of_line)
   Call: (257) [system] a=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _2047372)
   Call: (258) [system] get_char((0x56051b6b4f40), _2048302)
   Exit: (258) [system] get_char((0x56051b6b4f40), l)
   Call: (258) [system] char_type(l, end_of_line)
   Call: (258) [system] l=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _2052016)
   Call: (259) [system] get_char((0x56051b6b4f40), _2052946)
   Exit: (259) [system] get_char((0x56051b6b4f40), ')')
   Call: (259) [system] char_type(')', end_of_line)
   Call: (259) [system] ')'=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _2056660)
   Call: (260) [system] get_char((0x56051b6b4f40), _2057590)
   Exit: (260) [system] get_char((0x56051b6b4f40), ')')
   Call: (260) [system] char_type(')', end_of_line)
   Call: (260) [system] ')'=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _2061304)
   Call: (261) [system] get_char((0x56051b6b4f40), _2062234)
   Exit: (261) [system] get_char((0x56051b6b4f40), '\n')
   Call: (261) [system] char_type('\n', end_of_line)
   Exit: (261) [system] char_type('\n', end_of_line)
   Call: (261) [system] _2061304=""
   Exit: (261) [system] ""=""
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (260) [system] string_concat(')', "", _2056660)
   Exit: (260) [system] string_concat(')', "", ")")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), ")")
   Call: (259) [system] string_concat(')', ")", _2052016)
   Exit: (259) [system] string_concat(')', ")", "))")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), "))")
   Call: (258) [system] string_concat(l, "))", _2047372)
   Exit: (258) [system] string_concat(l, "))", "l))")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "l))")
   Call: (257) [system] string_concat(a, "l))", _2042728)
   Exit: (257) [system] string_concat(a, "l))", "al))")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "al))")
   Call: (256) [system] string_concat(m, "al))", _2038084)
   Exit: (256) [system] string_concat(m, "al))", "mal))")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "mal))")
   Call: (255) [system] string_concat(m, "mal))", _2033440)
   Exit: (255) [system] string_concat(m, "mal))", "mmal))")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "mmal))")
   Call: (254) [system] string_concat(a, "mmal))", _2028796)
   Exit: (254) [system] string_concat(a, "mmal))", "ammal))")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "ammal))")
   Call: (253) [system] string_concat('M', "ammal))", _2024152)
   Exit: (253) [system] string_concat('M', "ammal))", "Mammal))")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), "Mammal))")
   Call: (252) [system] string_concat(' ', "Mammal))", _2019508)
   Exit: (252) [system] string_concat(' ', "Mammal))", " Mammal))")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), " Mammal))")
   Call: (251) [system] string_concat(x, " Mammal))", _2014864)
   Exit: (251) [system] string_concat(x, " Mammal))", "x Mammal))")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "x Mammal))")
   Call: (250) [system] string_concat($, "x Mammal))", _3612)
   Exit: (250) [system] string_concat($, "x Mammal))", "$x Mammal))")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "$x Mammal))")
   Call: (249) [system] string_concat(' ', "$x Mammal))", _3608)
   Exit: (249) [system] string_concat(' ', "$x Mammal))", " $x Mammal))")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), " $x Mammal))")
   Call: (248) [system] string_concat(e, " $x Mammal))", _3604)
   Exit: (248) [system] string_concat(e, " $x Mammal))", "e $x Mammal))")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "e $x Mammal))")
   Call: (247) [system] string_concat(c, "e $x Mammal))", _3600)
   Exit: (247) [system] string_concat(c, "e $x Mammal))", "ce $x Mammal))")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "ce $x Mammal))")
   Call: (246) [system] string_concat(n, "ce $x Mammal))", _3596)
   Exit: (246) [system] string_concat(n, "ce $x Mammal))", "nce $x Mammal))")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "nce $x Mammal))")
   Call: (245) [system] string_concat(a, "nce $x Mammal))", _3592)
   Exit: (245) [system] string_concat(a, "nce $x Mammal))", "ance $x Mammal))")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "ance $x Mammal))")
   Call: (244) [system] string_concat(t, "ance $x Mammal))", _3588)
   Exit: (244) [system] string_concat(t, "ance $x Mammal))", "tance $x Mammal))")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "tance $x Mammal))")
   Call: (243) [system] string_concat(i, "tance $x Mammal))", _3584)
   Exit: (243) [system] string_concat(i, "tance $x Mammal))", "itance $x Mammal))")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "itance $x Mammal))")
   Call: (242) [system] string_concat(r, "itance $x Mammal))", _3580)
   Exit: (242) [system] string_concat(r, "itance $x Mammal))", "ritance $x Mammal))")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "ritance $x Mammal))")
   Call: (241) [system] string_concat(e, "ritance $x Mammal))", _3576)
   Exit: (241) [system] string_concat(e, "ritance $x Mammal))", "eritance $x Mammal))")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "eritance $x Mammal))")
   Call: (240) [system] string_concat(h, "eritance $x Mammal))", _3572)
   Exit: (240) [system] string_concat(h, "eritance $x Mammal))", "heritance $x Mammal))")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "heritance $x Mammal))")
   Call: (239) [system] string_concat(n, "heritance $x Mammal))", _3568)
   Exit: (239) [system] string_concat(n, "heritance $x Mammal))", "nheritance $x Mammal))")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "nheritance $x Mammal))")
   Call: (238) [system] string_concat('I', "nheritance $x Mammal))", _3564)
   Exit: (238) [system] string_concat('I', "nheritance $x Mammal))", "Inheritance $x Mammal))")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "Inheritance $x Mammal))")
   Call: (237) [system] string_concat('(', "Inheritance $x Mammal))", _3560)
   Exit: (237) [system] string_concat('(', "Inheritance $x Mammal))", "(Inheritance $x Mammal))")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "(Inheritance $x Mammal))")
   Call: (236) [system] string_concat(' ', "(Inheritance $x Mammal))", _3556)
   Exit: (236) [system] string_concat(' ', "(Inheritance $x Mammal))", " (Inheritance $x Mammal))")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), " (Inheritance $x Mammal))")
   Call: (235) [system] string_concat(m, " (Inheritance $x Mammal))", _3552)
   Exit: (235) [system] string_concat(m, " (Inheritance $x Mammal))", "m (Inheritance $x Mammal))")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "m (Inheritance $x Mammal))")
   Call: (234) [system] string_concat(r, "m (Inheritance $x Mammal))", _3548)
   Exit: (234) [system] string_concat(r, "m (Inheritance $x Mammal))", "rm (Inheritance $x Mammal))")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "rm (Inheritance $x Mammal))")
   Call: (233) [system] string_concat(e, "rm (Inheritance $x Mammal))", _3544)
   Exit: (233) [system] string_concat(e, "rm (Inheritance $x Mammal))", "erm (Inheritance $x Mammal))")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "erm (Inheritance $x Mammal))")
   Call: (232) [system] string_concat(t, "erm (Inheritance $x Mammal))", _3540)
   Exit: (232) [system] string_concat(t, "erm (Inheritance $x Mammal))", "term (Inheritance $x Mammal))")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "term (Inheritance $x Mammal))")
   Call: (231) [system] string_concat($, "term (Inheritance $x Mammal))", _3536)
   Exit: (231) [system] string_concat($, "term (Inheritance $x Mammal))", "$term (Inheritance $x Mammal))")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "$term (Inheritance $x Mammal))")
   Call: (230) [system] string_concat(' ', "$term (Inheritance $x Mammal))", _3532)
   Exit: (230) [system] string_concat(' ', "$term (Inheritance $x Mammal))", " $term (Inheritance $x Mammal))")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), " $term (Inheritance $x Mammal))")
   Call: (229) [system] string_concat(:, " $term (Inheritance $x Mammal))", _3528)
   Exit: (229) [system] string_concat(:, " $term (Inheritance $x Mammal))", ": $term (Inheritance $x Mammal))")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), ": $term (Inheritance $x Mammal))")
   Call: (228) [system] string_concat('(', ": $term (Inheritance $x Mammal))", _3524)
   Exit: (228) [system] string_concat('(', ": $term (Inheritance $x Mammal))", "(: $term (Inheritance $x Mammal))")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "(: $term (Inheritance $x Mammal))")
   Call: (227) [system] string_concat(' ', "(: $term (Inheritance $x Mammal))", _3520)
   Exit: (227) [system] string_concat(' ', "(: $term (Inheritance $x Mammal))", " (: $term (Inheritance $x Mammal))")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), " (: $term (Inheritance $x Mammal))")
   Call: (226) [system] string_concat(:, " (: $term (Inheritance $x Mammal))", _3516)
   Exit: (226) [system] string_concat(:, " (: $term (Inheritance $x Mammal))", ": (: $term (Inheritance $x Mammal))")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), ": (: $term (Inheritance $x Mammal))")
   Call: (225) [system] string_concat(g, ": (: $term (Inheritance $x Mammal))", _3512)
   Exit: (225) [system] string_concat(g, ": (: $term (Inheritance $x Mammal))", "g: (: $term (Inheritance $x Mammal))")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "g: (: $term (Inheritance $x Mammal))")
   Call: (224) [system] string_concat(n, "g: (: $term (Inheritance $x Mammal))", _3508)
   Exit: (224) [system] string_concat(n, "g: (: $term (Inheritance $x Mammal))", "ng: (: $term (Inheritance $x Mammal))")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "ng: (: $term (Inheritance $x Mammal))")
   Call: (223) [system] string_concat(i, "ng: (: $term (Inheritance $x Mammal))", _3504)
   Exit: (223) [system] string_concat(i, "ng: (: $term (Inheritance $x Mammal))", "ing: (: $term (Inheritance $x Mammal))")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "ing: (: $term (Inheritance $x Mammal))")
   Call: (222) [system] string_concat(n, "ing: (: $term (Inheritance $x Mammal))", _3500)
   Exit: (222) [system] string_concat(n, "ing: (: $term (Inheritance $x Mammal))", "ning: (: $term (Inheritance $x Mammal))")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "ning: (: $term (Inheritance $x Mammal))")
   Call: (221) [system] string_concat(i, "ning: (: $term (Inheritance $x Mammal))", _3496)
   Exit: (221) [system] string_concat(i, "ning: (: $term (Inheritance $x Mammal))", "ining: (: $term (Inheritance $x Mammal))")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "ining: (: $term (Inheritance $x Mammal))")
   Call: (220) [system] string_concat(a, "ining: (: $term (Inheritance $x Mammal))", _3492)
   Exit: (220) [system] string_concat(a, "ining: (: $term (Inheritance $x Mammal))", "aining: (: $term (Inheritance $x Mammal))")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "aining: (: $term (Inheritance $x Mammal))")
   Call: (219) [system] string_concat(h, "aining: (: $term (Inheritance $x Mammal))", _3488)
   Exit: (219) [system] string_concat(h, "aining: (: $term (Inheritance $x Mammal))", "haining: (: $term (Inheritance $x Mammal))")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "haining: (: $term (Inheritance $x Mammal))")
   Call: (218) [system] string_concat(c, "haining: (: $term (Inheritance $x Mammal))", _3484)
   Exit: (218) [system] string_concat(c, "haining: (: $term (Inheritance $x Mammal))", "chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "chaining: (: $term (Inheritance $x Mammal))")
   Call: (217) [system] string_concat(' ', "chaining: (: $term (Inheritance $x Mammal))", _3480)
   Exit: (217) [system] string_concat(' ', "chaining: (: $term (Inheritance $x Mammal))", " chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), " chaining: (: $term (Inheritance $x Mammal))")
   Call: (216) [system] string_concat(d, " chaining: (: $term (Inheritance $x Mammal))", _3476)
   Exit: (216) [system] string_concat(d, " chaining: (: $term (Inheritance $x Mammal))", "d chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "d chaining: (: $term (Inheritance $x Mammal))")
   Call: (215) [system] string_concat(r, "d chaining: (: $term (Inheritance $x Mammal))", _3472)
   Exit: (215) [system] string_concat(r, "d chaining: (: $term (Inheritance $x Mammal))", "rd chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "rd chaining: (: $term (Inheritance $x Mammal))")
   Call: (214) [system] string_concat(a, "rd chaining: (: $term (Inheritance $x Mammal))", _3468)
   Exit: (214) [system] string_concat(a, "rd chaining: (: $term (Inheritance $x Mammal))", "ard chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "ard chaining: (: $term (Inheritance $x Mammal))")
   Call: (213) [system] string_concat(w, "ard chaining: (: $term (Inheritance $x Mammal))", _3464)
   Exit: (213) [system] string_concat(w, "ard chaining: (: $term (Inheritance $x Mammal))", "ward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "ward chaining: (: $term (Inheritance $x Mammal))")
   Call: (212) [system] string_concat(k, "ward chaining: (: $term (Inheritance $x Mammal))", _3460)
   Exit: (212) [system] string_concat(k, "ward chaining: (: $term (Inheritance $x Mammal))", "kward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "kward chaining: (: $term (Inheritance $x Mammal))")
   Call: (211) [system] string_concat(c, "kward chaining: (: $term (Inheritance $x Mammal))", _3456)
   Exit: (211) [system] string_concat(c, "kward chaining: (: $term (Inheritance $x Mammal))", "ckward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "ckward chaining: (: $term (Inheritance $x Mammal))")
   Call: (210) [system] string_concat(a, "ckward chaining: (: $term (Inheritance $x Mammal))", _3452)
   Exit: (210) [system] string_concat(a, "ckward chaining: (: $term (Inheritance $x Mammal))", "ackward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "ackward chaining: (: $term (Inheritance $x Mammal))")
   Call: (209) [system] string_concat('B', "ackward chaining: (: $term (Inheritance $x Mammal))", _3448)
   Exit: (209) [system] string_concat('B', "ackward chaining: (: $term (Inheritance $x Mammal))", "Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (208) [system] string_concat(' ', "Backward chaining: (: $term (Inheritance $x Mammal))", _3444)
   Exit: (208) [system] string_concat(' ', "Backward chaining: (: $term (Inheritance $x Mammal))", " Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), " Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (207) [system] string_concat('.', " Backward chaining: (: $term (Inheritance $x Mammal))", _3440)
   Exit: (207) [system] string_concat('.', " Backward chaining: (: $term (Inheritance $x Mammal))", ". Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), ". Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (206) [system] string_concat('1', ". Backward chaining: (: $term (Inheritance $x Mammal))", _3436)
   Exit: (206) [system] string_concat('1', ". Backward chaining: (: $term (Inheritance $x Mammal))", "1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (205) [system] string_concat(' ', "1. Backward chaining: (: $term (Inheritance $x Mammal))", _3432)
   Exit: (205) [system] string_concat(' ', "1. Backward chaining: (: $term (Inheritance $x Mammal))", " 1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), " 1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (204) [system] string_concat(' ', " 1. Backward chaining: (: $term (Inheritance $x Mammal))", _3428)
   Exit: (204) [system] string_concat(' ', " 1. Backward chaining: (: $term (Inheritance $x Mammal))", "  1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "  1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (203) [system] string_concat(' ', "  1. Backward chaining: (: $term (Inheritance $x Mammal))", _3424)
   Exit: (203) [system] string_concat(' ', "  1. Backward chaining: (: $term (Inheritance $x Mammal))", "   1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "   1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (202) [system] string_concat(' ', "   1. Backward chaining: (: $term (Inheritance $x Mammal))", _3420)
   Exit: (202) [system] string_concat(' ', "   1. Backward chaining: (: $term (Inheritance $x Mammal))", "    1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "    1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (201) [system] string_concat(' ', "    1. Backward chaining: (: $term (Inheritance $x Mammal))", _3416)
   Exit: (201) [system] string_concat(' ', "    1. Backward chaining: (: $term (Inheritance $x Mammal))", "     1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "     1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (200) [system] string_concat(' ', "     1. Backward chaining: (: $term (Inheritance $x Mammal))", _3412)
   Exit: (200) [system] string_concat(' ', "     1. Backward chaining: (: $term (Inheritance $x Mammal))", "      1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "      1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (199) [system] string_concat(' ', "      1. Backward chaining: (: $term (Inheritance $x Mammal))", _3408)
   Exit: (199) [system] string_concat(' ', "      1. Backward chaining: (: $term (Inheritance $x Mammal))", "       1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "       1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (198) [system] string_concat(' ', "       1. Backward chaining: (: $term (Inheritance $x Mammal))", _3404)
   Exit: (198) [system] string_concat(' ', "       1. Backward chaining: (: $term (Inheritance $x Mammal))", "        1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "        1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (197) [system] string_concat(' ', "        1. Backward chaining: (: $term (Inheritance $x Mammal))", _3400)
   Exit: (197) [system] string_concat(' ', "        1. Backward chaining: (: $term (Inheritance $x Mammal))", "         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "         1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (196) [system] string_concat(;, "         1. Backward chaining: (: $term (Inheritance $x Mammal))", _3396)
   Exit: (196) [system] string_concat(;, "         1. Backward chaining: (: $term (Inheritance $x Mammal))", ";         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), ";         1. Backward chaining: (: $term (Inheritance $x Mammal))")
   Call: (195) [system] string_concat(;, ";         1. Backward chaining: (: $term (Inheritance $x Mammal))", _3392)
   Exit: (195) [system] string_concat(;, ";         1. Backward chaining: (: $term (Inheritance $x Mammal))", ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), ";;         1. Backward chaining: (: $term (Inheritance $x Mammal))")
^  Call: (194) [user] assertz(metta_file_comment(28, 0, 720, '$COMMENT'(";;         1. Backward chaining: (: $term (Inheritance $x Mammal))", 28, 0), '$stream_position'(720, 28, 0, 720)))
^  Exit: (194) [user] assertz(metta_file_comment(28, 0, 720, '$COMMENT'(";;         1. Backward chaining: (: $term (Inheritance $x Mammal))", 28, 0), '$stream_position'(720, 28, 0, 720)))
^  Exit: (193) [user] read_comment((0x56051b6b4f40))
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _164408)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ;)
   Call: (194) [system] (;)=(;)
   Exit: (194) [system] (;)=(;)
^  Call: (194) [user] read_comment((0x56051b6b4f40))
^  Call: (195) [user] read_position((0x56051b6b4f40), _169046, _169048, _169050, _169052)
   Call: (196) [system] stream_property((0x56051b6b4f40), position(_169052))
   Call: (197) [system] nonvar((0x56051b6b4f40))
   Exit: (197) [system] nonvar((0x56051b6b4f40))
   Call: (197) [system] nonvar(position(_169052))
   Exit: (197) [system] nonvar(position(_169052))
   Exit: (196) [system] stream_property((0x56051b6b4f40), position('$stream_position'(787, 29, 0, 787)))
   Call: (196) [$syspreds] stream_position_data(line_count, '$stream_position'(787, 29, 0, 787), _169046)
   Call: (197) [system] nonvar(line_count)
   Exit: (197) [system] nonvar(line_count)
   Call: (197) [$syspreds] stream_position_field(line_count, _178340)
   Exit: (197) [$syspreds] stream_position_field(line_count, 2)
   Call: (197) [system] arg(2, '$stream_position'(787, 29, 0, 787), _169046)
   Exit: (197) [system] arg(2, '$stream_position'(787, 29, 0, 787), 29)
   Exit: (196) [$syspreds] stream_position_data(line_count, '$stream_position'(787, 29, 0, 787), 29)
   Call: (196) [$syspreds] stream_position_data(line_position, '$stream_position'(787, 29, 0, 787), _169048)
   Call: (197) [system] nonvar(line_position)
   Exit: (197) [system] nonvar(line_position)
   Call: (197) [$syspreds] stream_position_field(line_position, _185774)
   Exit: (197) [$syspreds] stream_position_field(line_position, 3)
   Call: (197) [system] arg(3, '$stream_position'(787, 29, 0, 787), _169048)
   Exit: (197) [system] arg(3, '$stream_position'(787, 29, 0, 787), 0)
   Exit: (196) [$syspreds] stream_position_data(line_position, '$stream_position'(787, 29, 0, 787), 0)
   Call: (196) [$syspreds] stream_position_data(char_count, '$stream_position'(787, 29, 0, 787), _169050)
   Call: (197) [system] nonvar(char_count)
   Exit: (197) [system] nonvar(char_count)
   Call: (197) [$syspreds] stream_position_field(char_count, _193208)
   Exit: (197) [$syspreds] stream_position_field(char_count, 1)
   Call: (197) [system] arg(1, '$stream_position'(787, 29, 0, 787), _169050)
   Exit: (197) [system] arg(1, '$stream_position'(787, 29, 0, 787), 787)
   Exit: (196) [$syspreds] stream_position_data(char_count, '$stream_position'(787, 29, 0, 787), 787)
^  Exit: (195) [user] read_position((0x56051b6b4f40), 29, 0, 787, '$stream_position'(787, 29, 0, 787))
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _198802)
   Call: (196) [system] get_char((0x56051b6b4f40), _199732)
   Exit: (196) [system] get_char((0x56051b6b4f40), ;)
   Call: (196) [system] char_type(;, end_of_line)
   Call: (196) [system] (;)=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _203446)
   Call: (197) [system] get_char((0x56051b6b4f40), _204376)
   Exit: (197) [system] get_char((0x56051b6b4f40), ;)
   Call: (197) [system] char_type(;, end_of_line)
   Call: (197) [system] (;)=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _208090)
   Call: (198) [system] get_char((0x56051b6b4f40), _209020)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
   Call: (198) [system] char_type(' ', end_of_line)
   Call: (198) [system] ' '=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _212734)
   Call: (199) [system] get_char((0x56051b6b4f40), _213664)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _217378)
   Call: (200) [system] get_char((0x56051b6b4f40), _218308)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _222022)
   Call: (201) [system] get_char((0x56051b6b4f40), _222952)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _226666)
   Call: (202) [system] get_char((0x56051b6b4f40), _227596)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _231310)
   Call: (203) [system] get_char((0x56051b6b4f40), _232240)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _235954)
   Call: (204) [system] get_char((0x56051b6b4f40), _236884)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _240598)
   Call: (205) [system] get_char((0x56051b6b4f40), _241528)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _245242)
   Call: (206) [system] get_char((0x56051b6b4f40), _246172)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _249886)
   Call: (207) [system] get_char((0x56051b6b4f40), _250816)
   Exit: (207) [system] get_char((0x56051b6b4f40), '2')
   Call: (207) [system] char_type('2', end_of_line)
   Call: (207) [system] '2'=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _254530)
   Call: (208) [system] get_char((0x56051b6b4f40), _255460)
   Exit: (208) [system] get_char((0x56051b6b4f40), '.')
   Call: (208) [system] char_type('.', end_of_line)
   Call: (208) [system] ('.')=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _259174)
   Call: (209) [system] get_char((0x56051b6b4f40), _260104)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _263818)
   Call: (210) [system] get_char((0x56051b6b4f40), _264748)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'F')
   Call: (210) [system] char_type('F', end_of_line)
   Call: (210) [system] 'F'=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _268462)
   Call: (211) [system] get_char((0x56051b6b4f40), _269392)
   Exit: (211) [system] get_char((0x56051b6b4f40), o)
   Call: (211) [system] char_type(o, end_of_line)
   Call: (211) [system] o=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _273106)
   Call: (212) [system] get_char((0x56051b6b4f40), _274036)
   Exit: (212) [system] get_char((0x56051b6b4f40), r)
   Call: (212) [system] char_type(r, end_of_line)
   Call: (212) [system] r=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _277750)
   Call: (213) [system] get_char((0x56051b6b4f40), _278680)
   Exit: (213) [system] get_char((0x56051b6b4f40), w)
   Call: (213) [system] char_type(w, end_of_line)
   Call: (213) [system] w=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _282394)
   Call: (214) [system] get_char((0x56051b6b4f40), _283324)
   Exit: (214) [system] get_char((0x56051b6b4f40), a)
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _287038)
   Call: (215) [system] get_char((0x56051b6b4f40), _287968)
   Exit: (215) [system] get_char((0x56051b6b4f40), r)
   Call: (215) [system] char_type(r, end_of_line)
   Call: (215) [system] r=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _291682)
   Call: (216) [system] get_char((0x56051b6b4f40), _292612)
   Exit: (216) [system] get_char((0x56051b6b4f40), d)
   Call: (216) [system] char_type(d, end_of_line)
   Call: (216) [system] d=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _296326)
   Call: (217) [system] get_char((0x56051b6b4f40), _297256)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _300970)
   Call: (218) [system] get_char((0x56051b6b4f40), _301900)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] c=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _305614)
   Call: (219) [system] get_char((0x56051b6b4f40), _306544)
   Exit: (219) [system] get_char((0x56051b6b4f40), h)
   Call: (219) [system] char_type(h, end_of_line)
   Call: (219) [system] h=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _310258)
   Call: (220) [system] get_char((0x56051b6b4f40), _311188)
   Exit: (220) [system] get_char((0x56051b6b4f40), a)
   Call: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] a=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _314902)
   Call: (221) [system] get_char((0x56051b6b4f40), _315832)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] char_type(i, end_of_line)
   Call: (221) [system] i=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _319546)
   Call: (222) [system] get_char((0x56051b6b4f40), _320476)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] char_type(n, end_of_line)
   Call: (222) [system] n=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _324190)
   Call: (223) [system] get_char((0x56051b6b4f40), _325120)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] char_type(i, end_of_line)
   Call: (223) [system] i=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _328834)
   Call: (224) [system] get_char((0x56051b6b4f40), _329764)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] char_type(n, end_of_line)
   Call: (224) [system] n=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _333478)
   Call: (225) [system] get_char((0x56051b6b4f40), _334408)
   Exit: (225) [system] get_char((0x56051b6b4f40), g)
   Call: (225) [system] char_type(g, end_of_line)
   Call: (225) [system] g=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _338122)
   Call: (226) [system] get_char((0x56051b6b4f40), _339052)
   Exit: (226) [system] get_char((0x56051b6b4f40), :)
   Call: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _342766)
   Call: (227) [system] get_char((0x56051b6b4f40), _343696)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
   Call: (227) [system] char_type(' ', end_of_line)
   Call: (227) [system] ' '=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _347410)
   Call: (228) [system] get_char((0x56051b6b4f40), _348340)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _352054)
   Call: (229) [system] get_char((0x56051b6b4f40), _352984)
   Exit: (229) [system] get_char((0x56051b6b4f40), :)
   Call: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] (:)=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _356698)
   Call: (230) [system] get_char((0x56051b6b4f40), _357628)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _361342)
   Call: (231) [system] get_char((0x56051b6b4f40), _362272)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] '('=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _365986)
   Call: (232) [system] get_char((0x56051b6b4f40), _366916)
   Exit: (232) [system] get_char((0x56051b6b4f40), $)
   Call: (232) [system] char_type($, end_of_line)
   Call: (232) [system] ($)=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _370630)
   Call: (233) [system] get_char((0x56051b6b4f40), _371560)
   Exit: (233) [system] get_char((0x56051b6b4f40), r)
   Call: (233) [system] char_type(r, end_of_line)
   Call: (233) [system] r=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _375274)
   Call: (234) [system] get_char((0x56051b6b4f40), _376204)
   Exit: (234) [system] get_char((0x56051b6b4f40), u)
   Call: (234) [system] char_type(u, end_of_line)
   Call: (234) [system] u=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _379918)
   Call: (235) [system] get_char((0x56051b6b4f40), _380848)
   Exit: (235) [system] get_char((0x56051b6b4f40), l)
   Call: (235) [system] char_type(l, end_of_line)
   Call: (235) [system] l=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _384562)
   Call: (236) [system] get_char((0x56051b6b4f40), _385492)
   Exit: (236) [system] get_char((0x56051b6b4f40), e)
   Call: (236) [system] char_type(e, end_of_line)
   Call: (236) [system] e=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _389206)
   Call: (237) [system] get_char((0x56051b6b4f40), _390136)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
   Call: (237) [system] char_type(' ', end_of_line)
   Call: (237) [system] ' '=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _393850)
   Call: (238) [system] get_char((0x56051b6b4f40), _394780)
   Exit: (238) [system] get_char((0x56051b6b4f40), $)
   Call: (238) [system] char_type($, end_of_line)
   Call: (238) [system] ($)=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _398494)
   Call: (239) [system] get_char((0x56051b6b4f40), _399424)
   Exit: (239) [system] get_char((0x56051b6b4f40), p)
   Call: (239) [system] char_type(p, end_of_line)
   Call: (239) [system] p=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _403138)
   Call: (240) [system] get_char((0x56051b6b4f40), _404068)
   Exit: (240) [system] get_char((0x56051b6b4f40), r)
   Call: (240) [system] char_type(r, end_of_line)
   Call: (240) [system] r=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _407782)
   Call: (241) [system] get_char((0x56051b6b4f40), _408712)
   Exit: (241) [system] get_char((0x56051b6b4f40), e)
   Call: (241) [system] char_type(e, end_of_line)
   Call: (241) [system] e=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _412426)
   Call: (242) [system] get_char((0x56051b6b4f40), _413356)
   Exit: (242) [system] get_char((0x56051b6b4f40), m)
   Call: (242) [system] char_type(m, end_of_line)
   Call: (242) [system] m=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _417070)
   Call: (243) [system] get_char((0x56051b6b4f40), _418000)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] char_type(i, end_of_line)
   Call: (243) [system] i=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _421714)
   Call: (244) [system] get_char((0x56051b6b4f40), _422644)
   Exit: (244) [system] get_char((0x56051b6b4f40), s)
   Call: (244) [system] char_type(s, end_of_line)
   Call: (244) [system] s=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _426358)
   Call: (245) [system] get_char((0x56051b6b4f40), _427288)
   Exit: (245) [system] get_char((0x56051b6b4f40), e)
   Call: (245) [system] char_type(e, end_of_line)
   Call: (245) [system] e=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _431002)
   Call: (246) [system] get_char((0x56051b6b4f40), _431932)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
   Call: (246) [system] char_type(' ', end_of_line)
   Call: (246) [system] ' '=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _435646)
   Call: (247) [system] get_char((0x56051b6b4f40), _436576)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'A')
   Call: (247) [system] char_type('A', end_of_line)
   Call: (247) [system] 'A'=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _440290)
   Call: (248) [system] get_char((0x56051b6b4f40), _441220)
   Exit: (248) [system] get_char((0x56051b6b4f40), 'X')
   Call: (248) [system] char_type('X', end_of_line)
   Call: (248) [system] 'X'=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _444934)
   Call: (249) [system] get_char((0x56051b6b4f40), _445864)
   Exit: (249) [system] get_char((0x56051b6b4f40), 'I')
   Call: (249) [system] char_type('I', end_of_line)
   Call: (249) [system] 'I'=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _449578)
   Call: (250) [system] get_char((0x56051b6b4f40), _450508)
   Exit: (250) [system] get_char((0x56051b6b4f40), 'O')
   Call: (250) [system] char_type('O', end_of_line)
   Call: (250) [system] 'O'=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _454222)
   Call: (251) [system] get_char((0x56051b6b4f40), _455152)
   Exit: (251) [system] get_char((0x56051b6b4f40), 'M')
   Call: (251) [system] char_type('M', end_of_line)
   Call: (251) [system] 'M'=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _458866)
   Call: (252) [system] get_char((0x56051b6b4f40), _459796)
   Exit: (252) [system] get_char((0x56051b6b4f40), ')')
   Call: (252) [system] char_type(')', end_of_line)
   Call: (252) [system] ')'=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _463510)
   Call: (253) [system] get_char((0x56051b6b4f40), _464440)
   Exit: (253) [system] get_char((0x56051b6b4f40), ' ')
   Call: (253) [system] char_type(' ', end_of_line)
   Call: (253) [system] ' '=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _468154)
   Call: (254) [system] get_char((0x56051b6b4f40), _469084)
   Exit: (254) [system] get_char((0x56051b6b4f40), $)
   Call: (254) [system] char_type($, end_of_line)
   Call: (254) [system] ($)=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _472798)
   Call: (255) [system] get_char((0x56051b6b4f40), _473728)
   Exit: (255) [system] get_char((0x56051b6b4f40), t)
   Call: (255) [system] char_type(t, end_of_line)
   Call: (255) [system] t=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _477442)
   Call: (256) [system] get_char((0x56051b6b4f40), _478372)
   Exit: (256) [system] get_char((0x56051b6b4f40), y)
   Call: (256) [system] char_type(y, end_of_line)
   Call: (256) [system] y=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _482086)
   Call: (257) [system] get_char((0x56051b6b4f40), _483016)
   Exit: (257) [system] get_char((0x56051b6b4f40), p)
   Call: (257) [system] char_type(p, end_of_line)
   Call: (257) [system] p=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _486730)
   Call: (258) [system] get_char((0x56051b6b4f40), _487660)
   Exit: (258) [system] get_char((0x56051b6b4f40), e)
   Call: (258) [system] char_type(e, end_of_line)
   Call: (258) [system] e=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _491374)
   Call: (259) [system] get_char((0x56051b6b4f40), _492304)
   Exit: (259) [system] get_char((0x56051b6b4f40), ')')
   Call: (259) [system] char_type(')', end_of_line)
   Call: (259) [system] ')'=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _496018)
   Call: (260) [system] get_char((0x56051b6b4f40), _496948)
   Exit: (260) [system] get_char((0x56051b6b4f40), '\n')
   Call: (260) [system] char_type('\n', end_of_line)
   Exit: (260) [system] char_type('\n', end_of_line)
   Call: (260) [system] _496018=""
   Exit: (260) [system] ""=""
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (259) [system] string_concat(')', "", _491374)
   Exit: (259) [system] string_concat(')', "", ")")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), ")")
   Call: (258) [system] string_concat(e, ")", _486730)
   Exit: (258) [system] string_concat(e, ")", "e)")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "e)")
   Call: (257) [system] string_concat(p, "e)", _482086)
   Exit: (257) [system] string_concat(p, "e)", "pe)")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "pe)")
   Call: (256) [system] string_concat(y, "pe)", _477442)
   Exit: (256) [system] string_concat(y, "pe)", "ype)")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "ype)")
   Call: (255) [system] string_concat(t, "ype)", _472798)
   Exit: (255) [system] string_concat(t, "ype)", "type)")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "type)")
   Call: (254) [system] string_concat($, "type)", _468154)
   Exit: (254) [system] string_concat($, "type)", "$type)")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "$type)")
   Call: (253) [system] string_concat(' ', "$type)", _463510)
   Exit: (253) [system] string_concat(' ', "$type)", " $type)")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), " $type)")
   Call: (252) [system] string_concat(')', " $type)", _458866)
   Exit: (252) [system] string_concat(')', " $type)", ") $type)")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), ") $type)")
   Call: (251) [system] string_concat('M', ") $type)", _454222)
   Exit: (251) [system] string_concat('M', ") $type)", "M) $type)")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "M) $type)")
   Call: (250) [system] string_concat('O', "M) $type)", _449578)
   Exit: (250) [system] string_concat('O', "M) $type)", "OM) $type)")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "OM) $type)")
   Call: (249) [system] string_concat('I', "OM) $type)", _444934)
   Exit: (249) [system] string_concat('I', "OM) $type)", "IOM) $type)")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "IOM) $type)")
   Call: (248) [system] string_concat('X', "IOM) $type)", _440290)
   Exit: (248) [system] string_concat('X', "IOM) $type)", "XIOM) $type)")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "XIOM) $type)")
   Call: (247) [system] string_concat('A', "XIOM) $type)", _435646)
   Exit: (247) [system] string_concat('A', "XIOM) $type)", "AXIOM) $type)")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "AXIOM) $type)")
   Call: (246) [system] string_concat(' ', "AXIOM) $type)", _431002)
   Exit: (246) [system] string_concat(' ', "AXIOM) $type)", " AXIOM) $type)")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), " AXIOM) $type)")
   Call: (245) [system] string_concat(e, " AXIOM) $type)", _426358)
   Exit: (245) [system] string_concat(e, " AXIOM) $type)", "e AXIOM) $type)")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "e AXIOM) $type)")
   Call: (244) [system] string_concat(s, "e AXIOM) $type)", _421714)
   Exit: (244) [system] string_concat(s, "e AXIOM) $type)", "se AXIOM) $type)")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "se AXIOM) $type)")
   Call: (243) [system] string_concat(i, "se AXIOM) $type)", _417070)
   Exit: (243) [system] string_concat(i, "se AXIOM) $type)", "ise AXIOM) $type)")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "ise AXIOM) $type)")
   Call: (242) [system] string_concat(m, "ise AXIOM) $type)", _412426)
   Exit: (242) [system] string_concat(m, "ise AXIOM) $type)", "mise AXIOM) $type)")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "mise AXIOM) $type)")
   Call: (241) [system] string_concat(e, "mise AXIOM) $type)", _407782)
   Exit: (241) [system] string_concat(e, "mise AXIOM) $type)", "emise AXIOM) $type)")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "emise AXIOM) $type)")
   Call: (240) [system] string_concat(r, "emise AXIOM) $type)", _403138)
   Exit: (240) [system] string_concat(r, "emise AXIOM) $type)", "remise AXIOM) $type)")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "remise AXIOM) $type)")
   Call: (239) [system] string_concat(p, "remise AXIOM) $type)", _398494)
   Exit: (239) [system] string_concat(p, "remise AXIOM) $type)", "premise AXIOM) $type)")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "premise AXIOM) $type)")
   Call: (238) [system] string_concat($, "premise AXIOM) $type)", _393850)
   Exit: (238) [system] string_concat($, "premise AXIOM) $type)", "$premise AXIOM) $type)")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "$premise AXIOM) $type)")
   Call: (237) [system] string_concat(' ', "$premise AXIOM) $type)", _389206)
   Exit: (237) [system] string_concat(' ', "$premise AXIOM) $type)", " $premise AXIOM) $type)")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), " $premise AXIOM) $type)")
   Call: (236) [system] string_concat(e, " $premise AXIOM) $type)", _384562)
   Exit: (236) [system] string_concat(e, " $premise AXIOM) $type)", "e $premise AXIOM) $type)")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "e $premise AXIOM) $type)")
   Call: (235) [system] string_concat(l, "e $premise AXIOM) $type)", _379918)
   Exit: (235) [system] string_concat(l, "e $premise AXIOM) $type)", "le $premise AXIOM) $type)")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "le $premise AXIOM) $type)")
   Call: (234) [system] string_concat(u, "le $premise AXIOM) $type)", _375274)
   Exit: (234) [system] string_concat(u, "le $premise AXIOM) $type)", "ule $premise AXIOM) $type)")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "ule $premise AXIOM) $type)")
   Call: (233) [system] string_concat(r, "ule $premise AXIOM) $type)", _370630)
   Exit: (233) [system] string_concat(r, "ule $premise AXIOM) $type)", "rule $premise AXIOM) $type)")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "rule $premise AXIOM) $type)")
   Call: (232) [system] string_concat($, "rule $premise AXIOM) $type)", _365986)
   Exit: (232) [system] string_concat($, "rule $premise AXIOM) $type)", "$rule $premise AXIOM) $type)")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "$rule $premise AXIOM) $type)")
   Call: (231) [system] string_concat('(', "$rule $premise AXIOM) $type)", _361342)
   Exit: (231) [system] string_concat('(', "$rule $premise AXIOM) $type)", "($rule $premise AXIOM) $type)")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "($rule $premise AXIOM) $type)")
   Call: (230) [system] string_concat(' ', "($rule $premise AXIOM) $type)", _356698)
   Exit: (230) [system] string_concat(' ', "($rule $premise AXIOM) $type)", " ($rule $premise AXIOM) $type)")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), " ($rule $premise AXIOM) $type)")
   Call: (229) [system] string_concat(:, " ($rule $premise AXIOM) $type)", _352054)
   Exit: (229) [system] string_concat(:, " ($rule $premise AXIOM) $type)", ": ($rule $premise AXIOM) $type)")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), ": ($rule $premise AXIOM) $type)")
   Call: (228) [system] string_concat('(', ": ($rule $premise AXIOM) $type)", _347410)
   Exit: (228) [system] string_concat('(', ": ($rule $premise AXIOM) $type)", "(: ($rule $premise AXIOM) $type)")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "(: ($rule $premise AXIOM) $type)")
   Call: (227) [system] string_concat(' ', "(: ($rule $premise AXIOM) $type)", _342766)
   Exit: (227) [system] string_concat(' ', "(: ($rule $premise AXIOM) $type)", " (: ($rule $premise AXIOM) $type)")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), " (: ($rule $premise AXIOM) $type)")
   Call: (226) [system] string_concat(:, " (: ($rule $premise AXIOM) $type)", _338122)
   Exit: (226) [system] string_concat(:, " (: ($rule $premise AXIOM) $type)", ": (: ($rule $premise AXIOM) $type)")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), ": (: ($rule $premise AXIOM) $type)")
   Call: (225) [system] string_concat(g, ": (: ($rule $premise AXIOM) $type)", _333478)
   Exit: (225) [system] string_concat(g, ": (: ($rule $premise AXIOM) $type)", "g: (: ($rule $premise AXIOM) $type)")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "g: (: ($rule $premise AXIOM) $type)")
   Call: (224) [system] string_concat(n, "g: (: ($rule $premise AXIOM) $type)", _328834)
   Exit: (224) [system] string_concat(n, "g: (: ($rule $premise AXIOM) $type)", "ng: (: ($rule $premise AXIOM) $type)")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "ng: (: ($rule $premise AXIOM) $type)")
   Call: (223) [system] string_concat(i, "ng: (: ($rule $premise AXIOM) $type)", _324190)
   Exit: (223) [system] string_concat(i, "ng: (: ($rule $premise AXIOM) $type)", "ing: (: ($rule $premise AXIOM) $type)")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "ing: (: ($rule $premise AXIOM) $type)")
   Call: (222) [system] string_concat(n, "ing: (: ($rule $premise AXIOM) $type)", _319546)
   Exit: (222) [system] string_concat(n, "ing: (: ($rule $premise AXIOM) $type)", "ning: (: ($rule $premise AXIOM) $type)")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "ning: (: ($rule $premise AXIOM) $type)")
   Call: (221) [system] string_concat(i, "ning: (: ($rule $premise AXIOM) $type)", _314902)
   Exit: (221) [system] string_concat(i, "ning: (: ($rule $premise AXIOM) $type)", "ining: (: ($rule $premise AXIOM) $type)")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "ining: (: ($rule $premise AXIOM) $type)")
   Call: (220) [system] string_concat(a, "ining: (: ($rule $premise AXIOM) $type)", _310258)
   Exit: (220) [system] string_concat(a, "ining: (: ($rule $premise AXIOM) $type)", "aining: (: ($rule $premise AXIOM) $type)")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "aining: (: ($rule $premise AXIOM) $type)")
   Call: (219) [system] string_concat(h, "aining: (: ($rule $premise AXIOM) $type)", _305614)
   Exit: (219) [system] string_concat(h, "aining: (: ($rule $premise AXIOM) $type)", "haining: (: ($rule $premise AXIOM) $type)")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "haining: (: ($rule $premise AXIOM) $type)")
   Call: (218) [system] string_concat(c, "haining: (: ($rule $premise AXIOM) $type)", _300970)
   Exit: (218) [system] string_concat(c, "haining: (: ($rule $premise AXIOM) $type)", "chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "chaining: (: ($rule $premise AXIOM) $type)")
   Call: (217) [system] string_concat(' ', "chaining: (: ($rule $premise AXIOM) $type)", _296326)
   Exit: (217) [system] string_concat(' ', "chaining: (: ($rule $premise AXIOM) $type)", " chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), " chaining: (: ($rule $premise AXIOM) $type)")
   Call: (216) [system] string_concat(d, " chaining: (: ($rule $premise AXIOM) $type)", _291682)
   Exit: (216) [system] string_concat(d, " chaining: (: ($rule $premise AXIOM) $type)", "d chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "d chaining: (: ($rule $premise AXIOM) $type)")
   Call: (215) [system] string_concat(r, "d chaining: (: ($rule $premise AXIOM) $type)", _287038)
   Exit: (215) [system] string_concat(r, "d chaining: (: ($rule $premise AXIOM) $type)", "rd chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "rd chaining: (: ($rule $premise AXIOM) $type)")
   Call: (214) [system] string_concat(a, "rd chaining: (: ($rule $premise AXIOM) $type)", _282394)
   Exit: (214) [system] string_concat(a, "rd chaining: (: ($rule $premise AXIOM) $type)", "ard chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "ard chaining: (: ($rule $premise AXIOM) $type)")
   Call: (213) [system] string_concat(w, "ard chaining: (: ($rule $premise AXIOM) $type)", _277750)
   Exit: (213) [system] string_concat(w, "ard chaining: (: ($rule $premise AXIOM) $type)", "ward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "ward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (212) [system] string_concat(r, "ward chaining: (: ($rule $premise AXIOM) $type)", _273106)
   Exit: (212) [system] string_concat(r, "ward chaining: (: ($rule $premise AXIOM) $type)", "rward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "rward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (211) [system] string_concat(o, "rward chaining: (: ($rule $premise AXIOM) $type)", _268462)
   Exit: (211) [system] string_concat(o, "rward chaining: (: ($rule $premise AXIOM) $type)", "orward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "orward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (210) [system] string_concat('F', "orward chaining: (: ($rule $premise AXIOM) $type)", _263818)
   Exit: (210) [system] string_concat('F', "orward chaining: (: ($rule $premise AXIOM) $type)", "Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (209) [system] string_concat(' ', "Forward chaining: (: ($rule $premise AXIOM) $type)", _259174)
   Exit: (209) [system] string_concat(' ', "Forward chaining: (: ($rule $premise AXIOM) $type)", " Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), " Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (208) [system] string_concat('.', " Forward chaining: (: ($rule $premise AXIOM) $type)", _254530)
   Exit: (208) [system] string_concat('.', " Forward chaining: (: ($rule $premise AXIOM) $type)", ". Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), ". Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (207) [system] string_concat('2', ". Forward chaining: (: ($rule $premise AXIOM) $type)", _249886)
   Exit: (207) [system] string_concat('2', ". Forward chaining: (: ($rule $premise AXIOM) $type)", "2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (206) [system] string_concat(' ', "2. Forward chaining: (: ($rule $premise AXIOM) $type)", _245242)
   Exit: (206) [system] string_concat(' ', "2. Forward chaining: (: ($rule $premise AXIOM) $type)", " 2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), " 2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (205) [system] string_concat(' ', " 2. Forward chaining: (: ($rule $premise AXIOM) $type)", _240598)
   Exit: (205) [system] string_concat(' ', " 2. Forward chaining: (: ($rule $premise AXIOM) $type)", "  2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "  2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (204) [system] string_concat(' ', "  2. Forward chaining: (: ($rule $premise AXIOM) $type)", _235954)
   Exit: (204) [system] string_concat(' ', "  2. Forward chaining: (: ($rule $premise AXIOM) $type)", "   2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "   2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (203) [system] string_concat(' ', "   2. Forward chaining: (: ($rule $premise AXIOM) $type)", _231310)
   Exit: (203) [system] string_concat(' ', "   2. Forward chaining: (: ($rule $premise AXIOM) $type)", "    2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "    2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (202) [system] string_concat(' ', "    2. Forward chaining: (: ($rule $premise AXIOM) $type)", _226666)
   Exit: (202) [system] string_concat(' ', "    2. Forward chaining: (: ($rule $premise AXIOM) $type)", "     2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "     2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (201) [system] string_concat(' ', "     2. Forward chaining: (: ($rule $premise AXIOM) $type)", _222022)
   Exit: (201) [system] string_concat(' ', "     2. Forward chaining: (: ($rule $premise AXIOM) $type)", "      2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "      2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (200) [system] string_concat(' ', "      2. Forward chaining: (: ($rule $premise AXIOM) $type)", _217378)
   Exit: (200) [system] string_concat(' ', "      2. Forward chaining: (: ($rule $premise AXIOM) $type)", "       2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "       2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (199) [system] string_concat(' ', "       2. Forward chaining: (: ($rule $premise AXIOM) $type)", _212734)
   Exit: (199) [system] string_concat(' ', "       2. Forward chaining: (: ($rule $premise AXIOM) $type)", "        2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "        2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (198) [system] string_concat(' ', "        2. Forward chaining: (: ($rule $premise AXIOM) $type)", _208090)
   Exit: (198) [system] string_concat(' ', "        2. Forward chaining: (: ($rule $premise AXIOM) $type)", "         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (197) [system] string_concat(;, "         2. Forward chaining: (: ($rule $premise AXIOM) $type)", _203446)
   Exit: (197) [system] string_concat(;, "         2. Forward chaining: (: ($rule $premise AXIOM) $type)", ";         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), ";         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
   Call: (196) [system] string_concat(;, ";         2. Forward chaining: (: ($rule $premise AXIOM) $type)", _198802)
   Exit: (196) [system] string_concat(;, ";         2. Forward chaining: (: ($rule $premise AXIOM) $type)", ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), ";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)")
^  Call: (195) [user] assertz(metta_file_comment(29, 0, 787, '$COMMENT'(";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)", 29, 0), '$stream_position'(787, 29, 0, 787)))
^  Exit: (195) [user] assertz(metta_file_comment(29, 0, 787, '$COMMENT'(";;         2. Forward chaining: (: ($rule $premise AXIOM) $type)", 29, 0), '$stream_position'(787, 29, 0, 787)))
^  Exit: (194) [user] read_comment((0x56051b6b4f40))
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _686732)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ;)
   Call: (195) [system] (;)=(;)
   Exit: (195) [system] (;)=(;)
^  Call: (195) [user] read_comment((0x56051b6b4f40))
^  Call: (196) [user] read_position((0x56051b6b4f40), _691370, _691372, _691374, _691376)
   Call: (197) [system] stream_property((0x56051b6b4f40), position(_691376))
   Call: (198) [system] nonvar((0x56051b6b4f40))
   Exit: (198) [system] nonvar((0x56051b6b4f40))
   Call: (198) [system] nonvar(position(_691376))
   Exit: (198) [system] nonvar(position(_691376))
   Exit: (197) [system] stream_property((0x56051b6b4f40), position('$stream_position'(852, 30, 0, 852)))
   Call: (197) [$syspreds] stream_position_data(line_count, '$stream_position'(852, 30, 0, 852), _691370)
   Call: (198) [system] nonvar(line_count)
   Exit: (198) [system] nonvar(line_count)
   Call: (198) [$syspreds] stream_position_field(line_count, _700664)
   Exit: (198) [$syspreds] stream_position_field(line_count, 2)
   Call: (198) [system] arg(2, '$stream_position'(852, 30, 0, 852), _691370)
   Exit: (198) [system] arg(2, '$stream_position'(852, 30, 0, 852), 30)
   Exit: (197) [$syspreds] stream_position_data(line_count, '$stream_position'(852, 30, 0, 852), 30)
   Call: (197) [$syspreds] stream_position_data(line_position, '$stream_position'(852, 30, 0, 852), _691372)
   Call: (198) [system] nonvar(line_position)
   Exit: (198) [system] nonvar(line_position)
   Call: (198) [$syspreds] stream_position_field(line_position, _708098)
   Exit: (198) [$syspreds] stream_position_field(line_position, 3)
   Call: (198) [system] arg(3, '$stream_position'(852, 30, 0, 852), _691372)
   Exit: (198) [system] arg(3, '$stream_position'(852, 30, 0, 852), 0)
   Exit: (197) [$syspreds] stream_position_data(line_position, '$stream_position'(852, 30, 0, 852), 0)
   Call: (197) [$syspreds] stream_position_data(char_count, '$stream_position'(852, 30, 0, 852), _691374)
   Call: (198) [system] nonvar(char_count)
   Exit: (198) [system] nonvar(char_count)
   Call: (198) [$syspreds] stream_position_field(char_count, _715532)
   Exit: (198) [$syspreds] stream_position_field(char_count, 1)
   Call: (198) [system] arg(1, '$stream_position'(852, 30, 0, 852), _691374)
   Exit: (198) [system] arg(1, '$stream_position'(852, 30, 0, 852), 852)
   Exit: (197) [$syspreds] stream_position_data(char_count, '$stream_position'(852, 30, 0, 852), 852)
^  Exit: (196) [user] read_position((0x56051b6b4f40), 30, 0, 852, '$stream_position'(852, 30, 0, 852))
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _721126)
   Call: (197) [system] get_char((0x56051b6b4f40), _722056)
   Exit: (197) [system] get_char((0x56051b6b4f40), ;)
   Call: (197) [system] char_type(;, end_of_line)
   Call: (197) [system] (;)=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _725770)
   Call: (198) [system] get_char((0x56051b6b4f40), _726700)
   Exit: (198) [system] get_char((0x56051b6b4f40), ;)
   Call: (198) [system] char_type(;, end_of_line)
   Call: (198) [system] (;)=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _730414)
   Call: (199) [system] get_char((0x56051b6b4f40), _731344)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _735058)
   Call: (200) [system] get_char((0x56051b6b4f40), _735988)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _739702)
   Call: (201) [system] get_char((0x56051b6b4f40), _740632)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _744346)
   Call: (202) [system] get_char((0x56051b6b4f40), _745276)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _748990)
   Call: (203) [system] get_char((0x56051b6b4f40), _749920)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _753634)
   Call: (204) [system] get_char((0x56051b6b4f40), _754564)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _758278)
   Call: (205) [system] get_char((0x56051b6b4f40), _759208)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _762922)
   Call: (206) [system] get_char((0x56051b6b4f40), _763852)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _767566)
   Call: (207) [system] get_char((0x56051b6b4f40), _768496)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _772210)
   Call: (208) [system] get_char((0x56051b6b4f40), _773140)
   Exit: (208) [system] get_char((0x56051b6b4f40), '3')
   Call: (208) [system] char_type('3', end_of_line)
   Call: (208) [system] '3'=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _776854)
   Call: (209) [system] get_char((0x56051b6b4f40), _777784)
   Exit: (209) [system] get_char((0x56051b6b4f40), '.')
   Call: (209) [system] char_type('.', end_of_line)
   Call: (209) [system] ('.')=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _781498)
   Call: (210) [system] get_char((0x56051b6b4f40), _782428)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _786142)
   Call: (211) [system] get_char((0x56051b6b4f40), _787072)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'M')
   Call: (211) [system] char_type('M', end_of_line)
   Call: (211) [system] 'M'=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _790786)
   Call: (212) [system] get_char((0x56051b6b4f40), _791716)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] char_type(i, end_of_line)
   Call: (212) [system] i=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _795430)
   Call: (213) [system] get_char((0x56051b6b4f40), _796360)
   Exit: (213) [system] get_char((0x56051b6b4f40), x)
   Call: (213) [system] char_type(x, end_of_line)
   Call: (213) [system] x=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _800074)
   Call: (214) [system] get_char((0x56051b6b4f40), _801004)
   Exit: (214) [system] get_char((0x56051b6b4f40), e)
   Call: (214) [system] char_type(e, end_of_line)
   Call: (214) [system] e=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _804718)
   Call: (215) [system] get_char((0x56051b6b4f40), _805648)
   Exit: (215) [system] get_char((0x56051b6b4f40), d)
   Call: (215) [system] char_type(d, end_of_line)
   Call: (215) [system] d=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _809362)
   Call: (216) [system] get_char((0x56051b6b4f40), _810292)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _814006)
   Call: (217) [system] get_char((0x56051b6b4f40), _814936)
   Exit: (217) [system] get_char((0x56051b6b4f40), c)
   Call: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] c=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _818650)
   Call: (218) [system] get_char((0x56051b6b4f40), _819580)
   Exit: (218) [system] get_char((0x56051b6b4f40), h)
   Call: (218) [system] char_type(h, end_of_line)
   Call: (218) [system] h=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _823294)
   Call: (219) [system] get_char((0x56051b6b4f40), _824224)
   Exit: (219) [system] get_char((0x56051b6b4f40), a)
   Call: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] a=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _827938)
   Call: (220) [system] get_char((0x56051b6b4f40), _828868)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] char_type(i, end_of_line)
   Call: (220) [system] i=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _832582)
   Call: (221) [system] get_char((0x56051b6b4f40), _833512)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] char_type(n, end_of_line)
   Call: (221) [system] n=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _837226)
   Call: (222) [system] get_char((0x56051b6b4f40), _838156)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] char_type(i, end_of_line)
   Call: (222) [system] i=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _841870)
   Call: (223) [system] get_char((0x56051b6b4f40), _842800)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] char_type(n, end_of_line)
   Call: (223) [system] n=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _846514)
   Call: (224) [system] get_char((0x56051b6b4f40), _847444)
   Exit: (224) [system] get_char((0x56051b6b4f40), g)
   Call: (224) [system] char_type(g, end_of_line)
   Call: (224) [system] g=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _851158)
   Call: (225) [system] get_char((0x56051b6b4f40), _852088)
   Exit: (225) [system] get_char((0x56051b6b4f40), :)
   Call: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] (:)=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _855802)
   Call: (226) [system] get_char((0x56051b6b4f40), _856732)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
   Call: (226) [system] char_type(' ', end_of_line)
   Call: (226) [system] ' '=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _860446)
   Call: (227) [system] get_char((0x56051b6b4f40), _861376)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _865090)
   Call: (228) [system] get_char((0x56051b6b4f40), _866020)
   Exit: (228) [system] get_char((0x56051b6b4f40), :)
   Call: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] (:)=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _869734)
   Call: (229) [system] get_char((0x56051b6b4f40), _870664)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
   Call: (229) [system] char_type(' ', end_of_line)
   Call: (229) [system] ' '=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _874378)
   Call: (230) [system] get_char((0x56051b6b4f40), _875308)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _879022)
   Call: (231) [system] get_char((0x56051b6b4f40), _879952)
   Exit: (231) [system] get_char((0x56051b6b4f40), $)
   Call: (231) [system] char_type($, end_of_line)
   Call: (231) [system] ($)=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _883666)
   Call: (232) [system] get_char((0x56051b6b4f40), _884596)
   Exit: (232) [system] get_char((0x56051b6b4f40), r)
   Call: (232) [system] char_type(r, end_of_line)
   Call: (232) [system] r=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _888310)
   Call: (233) [system] get_char((0x56051b6b4f40), _889240)
   Exit: (233) [system] get_char((0x56051b6b4f40), u)
   Call: (233) [system] char_type(u, end_of_line)
   Call: (233) [system] u=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _892954)
   Call: (234) [system] get_char((0x56051b6b4f40), _893884)
   Exit: (234) [system] get_char((0x56051b6b4f40), l)
   Call: (234) [system] char_type(l, end_of_line)
   Call: (234) [system] l=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _897598)
   Call: (235) [system] get_char((0x56051b6b4f40), _898528)
   Exit: (235) [system] get_char((0x56051b6b4f40), e)
   Call: (235) [system] char_type(e, end_of_line)
   Call: (235) [system] e=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _902242)
   Call: (236) [system] get_char((0x56051b6b4f40), _903172)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
   Call: (236) [system] char_type(' ', end_of_line)
   Call: (236) [system] ' '=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _906886)
   Call: (237) [system] get_char((0x56051b6b4f40), _907816)
   Exit: (237) [system] get_char((0x56051b6b4f40), $)
   Call: (237) [system] char_type($, end_of_line)
   Call: (237) [system] ($)=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _911530)
   Call: (238) [system] get_char((0x56051b6b4f40), _912460)
   Exit: (238) [system] get_char((0x56051b6b4f40), p)
   Call: (238) [system] char_type(p, end_of_line)
   Call: (238) [system] p=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _916174)
   Call: (239) [system] get_char((0x56051b6b4f40), _917104)
   Exit: (239) [system] get_char((0x56051b6b4f40), r)
   Call: (239) [system] char_type(r, end_of_line)
   Call: (239) [system] r=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _920818)
   Call: (240) [system] get_char((0x56051b6b4f40), _921748)
   Exit: (240) [system] get_char((0x56051b6b4f40), e)
   Call: (240) [system] char_type(e, end_of_line)
   Call: (240) [system] e=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _925462)
   Call: (241) [system] get_char((0x56051b6b4f40), _926392)
   Exit: (241) [system] get_char((0x56051b6b4f40), m)
   Call: (241) [system] char_type(m, end_of_line)
   Call: (241) [system] m=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _930106)
   Call: (242) [system] get_char((0x56051b6b4f40), _931036)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] char_type(i, end_of_line)
   Call: (242) [system] i=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _934750)
   Call: (243) [system] get_char((0x56051b6b4f40), _935680)
   Exit: (243) [system] get_char((0x56051b6b4f40), s)
   Call: (243) [system] char_type(s, end_of_line)
   Call: (243) [system] s=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _939394)
   Call: (244) [system] get_char((0x56051b6b4f40), _940324)
   Exit: (244) [system] get_char((0x56051b6b4f40), e)
   Call: (244) [system] char_type(e, end_of_line)
   Call: (244) [system] e=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _944038)
   Call: (245) [system] get_char((0x56051b6b4f40), _944968)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
   Call: (245) [system] char_type(' ', end_of_line)
   Call: (245) [system] ' '=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _948682)
   Call: (246) [system] get_char((0x56051b6b4f40), _949612)
   Exit: (246) [system] get_char((0x56051b6b4f40), 'A')
   Call: (246) [system] char_type('A', end_of_line)
   Call: (246) [system] 'A'=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _953326)
   Call: (247) [system] get_char((0x56051b6b4f40), _954256)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'X')
   Call: (247) [system] char_type('X', end_of_line)
   Call: (247) [system] 'X'=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _957970)
   Call: (248) [system] get_char((0x56051b6b4f40), _958900)
   Exit: (248) [system] get_char((0x56051b6b4f40), 'I')
   Call: (248) [system] char_type('I', end_of_line)
   Call: (248) [system] 'I'=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _962614)
   Call: (249) [system] get_char((0x56051b6b4f40), _963544)
   Exit: (249) [system] get_char((0x56051b6b4f40), 'O')
   Call: (249) [system] char_type('O', end_of_line)
   Call: (249) [system] 'O'=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _967258)
   Call: (250) [system] get_char((0x56051b6b4f40), _968188)
   Exit: (250) [system] get_char((0x56051b6b4f40), 'M')
   Call: (250) [system] char_type('M', end_of_line)
   Call: (250) [system] 'M'=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _971902)
   Call: (251) [system] get_char((0x56051b6b4f40), _972832)
   Exit: (251) [system] get_char((0x56051b6b4f40), ')')
   Call: (251) [system] char_type(')', end_of_line)
   Call: (251) [system] ')'=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _976546)
   Call: (252) [system] get_char((0x56051b6b4f40), _977476)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
   Call: (252) [system] char_type(' ', end_of_line)
   Call: (252) [system] ' '=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _981190)
   Call: (253) [system] get_char((0x56051b6b4f40), _982120)
   Exit: (253) [system] get_char((0x56051b6b4f40), '(')
   Call: (253) [system] char_type('(', end_of_line)
   Call: (253) [system] '('=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _985834)
   Call: (254) [system] get_char((0x56051b6b4f40), _986764)
   Exit: (254) [system] get_char((0x56051b6b4f40), 'I')
   Call: (254) [system] char_type('I', end_of_line)
   Call: (254) [system] 'I'=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _990478)
   Call: (255) [system] get_char((0x56051b6b4f40), _991408)
   Exit: (255) [system] get_char((0x56051b6b4f40), n)
   Call: (255) [system] char_type(n, end_of_line)
   Call: (255) [system] n=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _995122)
   Call: (256) [system] get_char((0x56051b6b4f40), _996052)
   Exit: (256) [system] get_char((0x56051b6b4f40), h)
   Call: (256) [system] char_type(h, end_of_line)
   Call: (256) [system] h=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _999766)
   Call: (257) [system] get_char((0x56051b6b4f40), _1000696)
   Exit: (257) [system] get_char((0x56051b6b4f40), e)
   Call: (257) [system] char_type(e, end_of_line)
   Call: (257) [system] e=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _1004410)
   Call: (258) [system] get_char((0x56051b6b4f40), _1005340)
   Exit: (258) [system] get_char((0x56051b6b4f40), r)
   Call: (258) [system] char_type(r, end_of_line)
   Call: (258) [system] r=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _1009054)
   Call: (259) [system] get_char((0x56051b6b4f40), _1009984)
   Exit: (259) [system] get_char((0x56051b6b4f40), i)
   Call: (259) [system] char_type(i, end_of_line)
   Call: (259) [system] i=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _1013698)
   Call: (260) [system] get_char((0x56051b6b4f40), _1014628)
   Exit: (260) [system] get_char((0x56051b6b4f40), t)
   Call: (260) [system] char_type(t, end_of_line)
   Call: (260) [system] t=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _1018342)
   Call: (261) [system] get_char((0x56051b6b4f40), _1019272)
   Exit: (261) [system] get_char((0x56051b6b4f40), a)
   Call: (261) [system] char_type(a, end_of_line)
   Call: (261) [system] a=end_of_file
^  Call: (261) [user] read_until_eol((0x56051b6b4f40), _1022986)
   Call: (262) [system] get_char((0x56051b6b4f40), _1023916)
   Exit: (262) [system] get_char((0x56051b6b4f40), n)
   Call: (262) [system] char_type(n, end_of_line)
   Call: (262) [system] n=end_of_file
^  Call: (262) [user] read_until_eol((0x56051b6b4f40), _1027630)
   Call: (263) [system] get_char((0x56051b6b4f40), _1028560)
   Exit: (263) [system] get_char((0x56051b6b4f40), c)
   Call: (263) [system] char_type(c, end_of_line)
   Call: (263) [system] c=end_of_file
^  Call: (263) [user] read_until_eol((0x56051b6b4f40), _1032274)
   Call: (264) [system] get_char((0x56051b6b4f40), _1033204)
   Exit: (264) [system] get_char((0x56051b6b4f40), e)
   Call: (264) [system] char_type(e, end_of_line)
   Call: (264) [system] e=end_of_file
^  Call: (264) [user] read_until_eol((0x56051b6b4f40), _1036918)
   Call: (265) [system] get_char((0x56051b6b4f40), _1037848)
   Exit: (265) [system] get_char((0x56051b6b4f40), ' ')
   Call: (265) [system] char_type(' ', end_of_line)
   Call: (265) [system] ' '=end_of_file
^  Call: (265) [user] read_until_eol((0x56051b6b4f40), _1041562)
   Call: (266) [system] get_char((0x56051b6b4f40), _1042492)
   Exit: (266) [system] get_char((0x56051b6b4f40), $)
   Call: (266) [system] char_type($, end_of_line)
   Call: (266) [system] ($)=end_of_file
^  Call: (266) [user] read_until_eol((0x56051b6b4f40), _1046206)
   Call: (267) [system] get_char((0x56051b6b4f40), _1047136)
   Exit: (267) [system] get_char((0x56051b6b4f40), x)
   Call: (267) [system] char_type(x, end_of_line)
   Call: (267) [system] x=end_of_file
^  Call: (267) [user] read_until_eol((0x56051b6b4f40), _1050850)
   Call: (268) [system] get_char((0x56051b6b4f40), _1051780)
   Exit: (268) [system] get_char((0x56051b6b4f40), ' ')
   Call: (268) [system] char_type(' ', end_of_line)
   Call: (268) [system] ' '=end_of_file
^  Call: (268) [user] read_until_eol((0x56051b6b4f40), _1055494)
   Call: (269) [system] get_char((0x56051b6b4f40), _1056424)
   Exit: (269) [system] get_char((0x56051b6b4f40), 'M')
   Call: (269) [system] char_type('M', end_of_line)
   Call: (269) [system] 'M'=end_of_file
^  Call: (269) [user] read_until_eol((0x56051b6b4f40), _1060138)
   Call: (270) [system] get_char((0x56051b6b4f40), _1061068)
   Exit: (270) [system] get_char((0x56051b6b4f40), a)
   Call: (270) [system] char_type(a, end_of_line)
   Call: (270) [system] a=end_of_file
^  Call: (270) [user] read_until_eol((0x56051b6b4f40), _1064782)
   Call: (271) [system] get_char((0x56051b6b4f40), _1065712)
   Exit: (271) [system] get_char((0x56051b6b4f40), m)
   Call: (271) [system] char_type(m, end_of_line)
   Call: (271) [system] m=end_of_file
^  Call: (271) [user] read_until_eol((0x56051b6b4f40), _1069426)
   Call: (272) [system] get_char((0x56051b6b4f40), _1070356)
   Exit: (272) [system] get_char((0x56051b6b4f40), m)
   Call: (272) [system] char_type(m, end_of_line)
   Call: (272) [system] m=end_of_file
^  Call: (272) [user] read_until_eol((0x56051b6b4f40), _1074070)
   Call: (273) [system] get_char((0x56051b6b4f40), _1075000)
   Exit: (273) [system] get_char((0x56051b6b4f40), a)
   Call: (273) [system] char_type(a, end_of_line)
   Call: (273) [system] a=end_of_file
^  Call: (273) [user] read_until_eol((0x56051b6b4f40), _1078714)
   Call: (274) [system] get_char((0x56051b6b4f40), _1079644)
   Exit: (274) [system] get_char((0x56051b6b4f40), l)
   Call: (274) [system] char_type(l, end_of_line)
   Call: (274) [system] l=end_of_file
^  Call: (274) [user] read_until_eol((0x56051b6b4f40), _1083358)
   Call: (275) [system] get_char((0x56051b6b4f40), _1084288)
   Exit: (275) [system] get_char((0x56051b6b4f40), ')')
   Call: (275) [system] char_type(')', end_of_line)
   Call: (275) [system] ')'=end_of_file
^  Call: (275) [user] read_until_eol((0x56051b6b4f40), _1088002)
   Call: (276) [system] get_char((0x56051b6b4f40), _1088932)
   Exit: (276) [system] get_char((0x56051b6b4f40), ')')
   Call: (276) [system] char_type(')', end_of_line)
   Call: (276) [system] ')'=end_of_file
^  Call: (276) [user] read_until_eol((0x56051b6b4f40), _1092646)
   Call: (277) [system] get_char((0x56051b6b4f40), _1093576)
   Exit: (277) [system] get_char((0x56051b6b4f40), '\n')
   Call: (277) [system] char_type('\n', end_of_line)
   Exit: (277) [system] char_type('\n', end_of_line)
   Call: (277) [system] _1092646=""
   Exit: (277) [system] ""=""
^  Exit: (276) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (276) [system] string_concat(')', "", _1088002)
   Exit: (276) [system] string_concat(')', "", ")")
^  Exit: (275) [user] read_until_eol((0x56051b6b4f40), ")")
   Call: (275) [system] string_concat(')', ")", _1083358)
   Exit: (275) [system] string_concat(')', ")", "))")
^  Exit: (274) [user] read_until_eol((0x56051b6b4f40), "))")
   Call: (274) [system] string_concat(l, "))", _1078714)
   Exit: (274) [system] string_concat(l, "))", "l))")
^  Exit: (273) [user] read_until_eol((0x56051b6b4f40), "l))")
   Call: (273) [system] string_concat(a, "l))", _1074070)
   Exit: (273) [system] string_concat(a, "l))", "al))")
^  Exit: (272) [user] read_until_eol((0x56051b6b4f40), "al))")
   Call: (272) [system] string_concat(m, "al))", _1069426)
   Exit: (272) [system] string_concat(m, "al))", "mal))")
^  Exit: (271) [user] read_until_eol((0x56051b6b4f40), "mal))")
   Call: (271) [system] string_concat(m, "mal))", _1064782)
   Exit: (271) [system] string_concat(m, "mal))", "mmal))")
^  Exit: (270) [user] read_until_eol((0x56051b6b4f40), "mmal))")
   Call: (270) [system] string_concat(a, "mmal))", _1060138)
   Exit: (270) [system] string_concat(a, "mmal))", "ammal))")
^  Exit: (269) [user] read_until_eol((0x56051b6b4f40), "ammal))")
   Call: (269) [system] string_concat('M', "ammal))", _1055494)
   Exit: (269) [system] string_concat('M', "ammal))", "Mammal))")
^  Exit: (268) [user] read_until_eol((0x56051b6b4f40), "Mammal))")
   Call: (268) [system] string_concat(' ', "Mammal))", _1050850)
   Exit: (268) [system] string_concat(' ', "Mammal))", " Mammal))")
^  Exit: (267) [user] read_until_eol((0x56051b6b4f40), " Mammal))")
   Call: (267) [system] string_concat(x, " Mammal))", _1046206)
   Exit: (267) [system] string_concat(x, " Mammal))", "x Mammal))")
^  Exit: (266) [user] read_until_eol((0x56051b6b4f40), "x Mammal))")
   Call: (266) [system] string_concat($, "x Mammal))", _1041562)
   Exit: (266) [system] string_concat($, "x Mammal))", "$x Mammal))")
^  Exit: (265) [user] read_until_eol((0x56051b6b4f40), "$x Mammal))")
   Call: (265) [system] string_concat(' ', "$x Mammal))", _1036918)
   Exit: (265) [system] string_concat(' ', "$x Mammal))", " $x Mammal))")
^  Exit: (264) [user] read_until_eol((0x56051b6b4f40), " $x Mammal))")
   Call: (264) [system] string_concat(e, " $x Mammal))", _1032274)
   Exit: (264) [system] string_concat(e, " $x Mammal))", "e $x Mammal))")
^  Exit: (263) [user] read_until_eol((0x56051b6b4f40), "e $x Mammal))")
   Call: (263) [system] string_concat(c, "e $x Mammal))", _1027630)
   Exit: (263) [system] string_concat(c, "e $x Mammal))", "ce $x Mammal))")
^  Exit: (262) [user] read_until_eol((0x56051b6b4f40), "ce $x Mammal))")
   Call: (262) [system] string_concat(n, "ce $x Mammal))", _1022986)
   Exit: (262) [system] string_concat(n, "ce $x Mammal))", "nce $x Mammal))")
^  Exit: (261) [user] read_until_eol((0x56051b6b4f40), "nce $x Mammal))")
   Call: (261) [system] string_concat(a, "nce $x Mammal))", _1018342)
   Exit: (261) [system] string_concat(a, "nce $x Mammal))", "ance $x Mammal))")
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), "ance $x Mammal))")
   Call: (260) [system] string_concat(t, "ance $x Mammal))", _1013698)
   Exit: (260) [system] string_concat(t, "ance $x Mammal))", "tance $x Mammal))")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), "tance $x Mammal))")
   Call: (259) [system] string_concat(i, "tance $x Mammal))", _1009054)
   Exit: (259) [system] string_concat(i, "tance $x Mammal))", "itance $x Mammal))")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), "itance $x Mammal))")
   Call: (258) [system] string_concat(r, "itance $x Mammal))", _1004410)
   Exit: (258) [system] string_concat(r, "itance $x Mammal))", "ritance $x Mammal))")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "ritance $x Mammal))")
   Call: (257) [system] string_concat(e, "ritance $x Mammal))", _999766)
   Exit: (257) [system] string_concat(e, "ritance $x Mammal))", "eritance $x Mammal))")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "eritance $x Mammal))")
   Call: (256) [system] string_concat(h, "eritance $x Mammal))", _995122)
   Exit: (256) [system] string_concat(h, "eritance $x Mammal))", "heritance $x Mammal))")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "heritance $x Mammal))")
   Call: (255) [system] string_concat(n, "heritance $x Mammal))", _990478)
   Exit: (255) [system] string_concat(n, "heritance $x Mammal))", "nheritance $x Mammal))")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "nheritance $x Mammal))")
   Call: (254) [system] string_concat('I', "nheritance $x Mammal))", _985834)
   Exit: (254) [system] string_concat('I', "nheritance $x Mammal))", "Inheritance $x Mammal))")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "Inheritance $x Mammal))")
   Call: (253) [system] string_concat('(', "Inheritance $x Mammal))", _981190)
   Exit: (253) [system] string_concat('(', "Inheritance $x Mammal))", "(Inheritance $x Mammal))")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), "(Inheritance $x Mammal))")
   Call: (252) [system] string_concat(' ', "(Inheritance $x Mammal))", _976546)
   Exit: (252) [system] string_concat(' ', "(Inheritance $x Mammal))", " (Inheritance $x Mammal))")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), " (Inheritance $x Mammal))")
   Call: (251) [system] string_concat(')', " (Inheritance $x Mammal))", _971902)
   Exit: (251) [system] string_concat(')', " (Inheritance $x Mammal))", ") (Inheritance $x Mammal))")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), ") (Inheritance $x Mammal))")
   Call: (250) [system] string_concat('M', ") (Inheritance $x Mammal))", _967258)
   Exit: (250) [system] string_concat('M', ") (Inheritance $x Mammal))", "M) (Inheritance $x Mammal))")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "M) (Inheritance $x Mammal))")
   Call: (249) [system] string_concat('O', "M) (Inheritance $x Mammal))", _962614)
   Exit: (249) [system] string_concat('O', "M) (Inheritance $x Mammal))", "OM) (Inheritance $x Mammal))")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "OM) (Inheritance $x Mammal))")
   Call: (248) [system] string_concat('I', "OM) (Inheritance $x Mammal))", _957970)
   Exit: (248) [system] string_concat('I', "OM) (Inheritance $x Mammal))", "IOM) (Inheritance $x Mammal))")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "IOM) (Inheritance $x Mammal))")
   Call: (247) [system] string_concat('X', "IOM) (Inheritance $x Mammal))", _953326)
   Exit: (247) [system] string_concat('X', "IOM) (Inheritance $x Mammal))", "XIOM) (Inheritance $x Mammal))")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "XIOM) (Inheritance $x Mammal))")
   Call: (246) [system] string_concat('A', "XIOM) (Inheritance $x Mammal))", _948682)
   Exit: (246) [system] string_concat('A', "XIOM) (Inheritance $x Mammal))", "AXIOM) (Inheritance $x Mammal))")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "AXIOM) (Inheritance $x Mammal))")
   Call: (245) [system] string_concat(' ', "AXIOM) (Inheritance $x Mammal))", _944038)
   Exit: (245) [system] string_concat(' ', "AXIOM) (Inheritance $x Mammal))", " AXIOM) (Inheritance $x Mammal))")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), " AXIOM) (Inheritance $x Mammal))")
   Call: (244) [system] string_concat(e, " AXIOM) (Inheritance $x Mammal))", _939394)
   Exit: (244) [system] string_concat(e, " AXIOM) (Inheritance $x Mammal))", "e AXIOM) (Inheritance $x Mammal))")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "e AXIOM) (Inheritance $x Mammal))")
   Call: (243) [system] string_concat(s, "e AXIOM) (Inheritance $x Mammal))", _934750)
   Exit: (243) [system] string_concat(s, "e AXIOM) (Inheritance $x Mammal))", "se AXIOM) (Inheritance $x Mammal))")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "se AXIOM) (Inheritance $x Mammal))")
   Call: (242) [system] string_concat(i, "se AXIOM) (Inheritance $x Mammal))", _930106)
   Exit: (242) [system] string_concat(i, "se AXIOM) (Inheritance $x Mammal))", "ise AXIOM) (Inheritance $x Mammal))")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "ise AXIOM) (Inheritance $x Mammal))")
   Call: (241) [system] string_concat(m, "ise AXIOM) (Inheritance $x Mammal))", _925462)
   Exit: (241) [system] string_concat(m, "ise AXIOM) (Inheritance $x Mammal))", "mise AXIOM) (Inheritance $x Mammal))")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "mise AXIOM) (Inheritance $x Mammal))")
   Call: (240) [system] string_concat(e, "mise AXIOM) (Inheritance $x Mammal))", _920818)
   Exit: (240) [system] string_concat(e, "mise AXIOM) (Inheritance $x Mammal))", "emise AXIOM) (Inheritance $x Mammal))")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "emise AXIOM) (Inheritance $x Mammal))")
   Call: (239) [system] string_concat(r, "emise AXIOM) (Inheritance $x Mammal))", _916174)
   Exit: (239) [system] string_concat(r, "emise AXIOM) (Inheritance $x Mammal))", "remise AXIOM) (Inheritance $x Mammal))")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "remise AXIOM) (Inheritance $x Mammal))")
   Call: (238) [system] string_concat(p, "remise AXIOM) (Inheritance $x Mammal))", _911530)
   Exit: (238) [system] string_concat(p, "remise AXIOM) (Inheritance $x Mammal))", "premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "premise AXIOM) (Inheritance $x Mammal))")
   Call: (237) [system] string_concat($, "premise AXIOM) (Inheritance $x Mammal))", _906886)
   Exit: (237) [system] string_concat($, "premise AXIOM) (Inheritance $x Mammal))", "$premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "$premise AXIOM) (Inheritance $x Mammal))")
   Call: (236) [system] string_concat(' ', "$premise AXIOM) (Inheritance $x Mammal))", _902242)
   Exit: (236) [system] string_concat(' ', "$premise AXIOM) (Inheritance $x Mammal))", " $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), " $premise AXIOM) (Inheritance $x Mammal))")
   Call: (235) [system] string_concat(e, " $premise AXIOM) (Inheritance $x Mammal))", _897598)
   Exit: (235) [system] string_concat(e, " $premise AXIOM) (Inheritance $x Mammal))", "e $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "e $premise AXIOM) (Inheritance $x Mammal))")
   Call: (234) [system] string_concat(l, "e $premise AXIOM) (Inheritance $x Mammal))", _892954)
   Exit: (234) [system] string_concat(l, "e $premise AXIOM) (Inheritance $x Mammal))", "le $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "le $premise AXIOM) (Inheritance $x Mammal))")
   Call: (233) [system] string_concat(u, "le $premise AXIOM) (Inheritance $x Mammal))", _888310)
   Exit: (233) [system] string_concat(u, "le $premise AXIOM) (Inheritance $x Mammal))", "ule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "ule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (232) [system] string_concat(r, "ule $premise AXIOM) (Inheritance $x Mammal))", _883666)
   Exit: (232) [system] string_concat(r, "ule $premise AXIOM) (Inheritance $x Mammal))", "rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (231) [system] string_concat($, "rule $premise AXIOM) (Inheritance $x Mammal))", _879022)
   Exit: (231) [system] string_concat($, "rule $premise AXIOM) (Inheritance $x Mammal))", "$rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "$rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (230) [system] string_concat('(', "$rule $premise AXIOM) (Inheritance $x Mammal))", _874378)
   Exit: (230) [system] string_concat('(', "$rule $premise AXIOM) (Inheritance $x Mammal))", "($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (229) [system] string_concat(' ', "($rule $premise AXIOM) (Inheritance $x Mammal))", _869734)
   Exit: (229) [system] string_concat(' ', "($rule $premise AXIOM) (Inheritance $x Mammal))", " ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), " ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (228) [system] string_concat(:, " ($rule $premise AXIOM) (Inheritance $x Mammal))", _865090)
   Exit: (228) [system] string_concat(:, " ($rule $premise AXIOM) (Inheritance $x Mammal))", ": ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), ": ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (227) [system] string_concat('(', ": ($rule $premise AXIOM) (Inheritance $x Mammal))", _860446)
   Exit: (227) [system] string_concat('(', ": ($rule $premise AXIOM) (Inheritance $x Mammal))", "(: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "(: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (226) [system] string_concat(' ', "(: ($rule $premise AXIOM) (Inheritance $x Mammal))", _855802)
   Exit: (226) [system] string_concat(' ', "(: ($rule $premise AXIOM) (Inheritance $x Mammal))", " (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), " (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (225) [system] string_concat(:, " (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _851158)
   Exit: (225) [system] string_concat(:, " (: ($rule $premise AXIOM) (Inheritance $x Mammal))", ": (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), ": (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (224) [system] string_concat(g, ": (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _846514)
   Exit: (224) [system] string_concat(g, ": (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "g: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "g: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (223) [system] string_concat(n, "g: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _841870)
   Exit: (223) [system] string_concat(n, "g: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ng: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "ng: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (222) [system] string_concat(i, "ng: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _837226)
   Exit: (222) [system] string_concat(i, "ng: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ing: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "ing: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (221) [system] string_concat(n, "ing: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _832582)
   Exit: (221) [system] string_concat(n, "ing: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ning: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "ning: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (220) [system] string_concat(i, "ning: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _827938)
   Exit: (220) [system] string_concat(i, "ning: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "ining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (219) [system] string_concat(a, "ining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _823294)
   Exit: (219) [system] string_concat(a, "ining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "aining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "aining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (218) [system] string_concat(h, "aining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _818650)
   Exit: (218) [system] string_concat(h, "aining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "haining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "haining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (217) [system] string_concat(c, "haining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _814006)
   Exit: (217) [system] string_concat(c, "haining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (216) [system] string_concat(' ', "chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _809362)
   Exit: (216) [system] string_concat(' ', "chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", " chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), " chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (215) [system] string_concat(d, " chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _804718)
   Exit: (215) [system] string_concat(d, " chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "d chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "d chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (214) [system] string_concat(e, "d chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _800074)
   Exit: (214) [system] string_concat(e, "d chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "ed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (213) [system] string_concat(x, "ed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _795430)
   Exit: (213) [system] string_concat(x, "ed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "xed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "xed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (212) [system] string_concat(i, "xed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _790786)
   Exit: (212) [system] string_concat(i, "xed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "ixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "ixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (211) [system] string_concat('M', "ixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _786142)
   Exit: (211) [system] string_concat('M', "ixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (210) [system] string_concat(' ', "Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _781498)
   Exit: (210) [system] string_concat(' ', "Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", " Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), " Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (209) [system] string_concat('.', " Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _776854)
   Exit: (209) [system] string_concat('.', " Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", ". Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), ". Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (208) [system] string_concat('3', ". Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _772210)
   Exit: (208) [system] string_concat('3', ". Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (207) [system] string_concat(' ', "3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _767566)
   Exit: (207) [system] string_concat(' ', "3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", " 3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), " 3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (206) [system] string_concat(' ', " 3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _762922)
   Exit: (206) [system] string_concat(' ', " 3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "  3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "  3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (205) [system] string_concat(' ', "  3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _758278)
   Exit: (205) [system] string_concat(' ', "  3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "   3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "   3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (204) [system] string_concat(' ', "   3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _753634)
   Exit: (204) [system] string_concat(' ', "   3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "    3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "    3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (203) [system] string_concat(' ', "    3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _748990)
   Exit: (203) [system] string_concat(' ', "    3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "     3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "     3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (202) [system] string_concat(' ', "     3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _744346)
   Exit: (202) [system] string_concat(' ', "     3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "      3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "      3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (201) [system] string_concat(' ', "      3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _739702)
   Exit: (201) [system] string_concat(' ', "      3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "       3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "       3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (200) [system] string_concat(' ', "       3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _735058)
   Exit: (200) [system] string_concat(' ', "       3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "        3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "        3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (199) [system] string_concat(' ', "        3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _730414)
   Exit: (199) [system] string_concat(' ', "        3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", "         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (198) [system] string_concat(;, "         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _725770)
   Exit: (198) [system] string_concat(;, "         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", ";         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), ";         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
   Call: (197) [system] string_concat(;, ";         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", _721126)
   Exit: (197) [system] string_concat(;, ";         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), ";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))")
^  Call: (196) [user] assertz(metta_file_comment(30, 0, 852, '$COMMENT'(";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", 30, 0), '$stream_position'(852, 30, 0, 852)))
^  Exit: (196) [user] assertz(metta_file_comment(30, 0, 852, '$COMMENT'(";;         3. Mixed chaining: (: ($rule $premise AXIOM) (Inheritance $x Mammal))", 30, 0), '$stream_position'(852, 30, 0, 852)))
^  Exit: (195) [user] read_comment((0x56051b6b4f40))
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1328408)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ;)
   Call: (196) [system] (;)=(;)
   Exit: (196) [system] (;)=(;)
^  Call: (196) [user] read_comment((0x56051b6b4f40))
^  Call: (197) [user] read_position((0x56051b6b4f40), _1333046, _1333048, _1333050, _1333052)
   Call: (198) [system] stream_property((0x56051b6b4f40), position(_1333052))
   Call: (199) [system] nonvar((0x56051b6b4f40))
   Exit: (199) [system] nonvar((0x56051b6b4f40))
   Call: (199) [system] nonvar(position(_1333052))
   Exit: (199) [system] nonvar(position(_1333052))
   Exit: (198) [system] stream_property((0x56051b6b4f40), position('$stream_position'(933, 31, 0, 933)))
   Call: (198) [$syspreds] stream_position_data(line_count, '$stream_position'(933, 31, 0, 933), _1333046)
   Call: (199) [system] nonvar(line_count)
   Exit: (199) [system] nonvar(line_count)
   Call: (199) [$syspreds] stream_position_field(line_count, _1342340)
   Exit: (199) [$syspreds] stream_position_field(line_count, 2)
   Call: (199) [system] arg(2, '$stream_position'(933, 31, 0, 933), _1333046)
   Exit: (199) [system] arg(2, '$stream_position'(933, 31, 0, 933), 31)
   Exit: (198) [$syspreds] stream_position_data(line_count, '$stream_position'(933, 31, 0, 933), 31)
   Call: (198) [$syspreds] stream_position_data(line_position, '$stream_position'(933, 31, 0, 933), _1333048)
   Call: (199) [system] nonvar(line_position)
   Exit: (199) [system] nonvar(line_position)
   Call: (199) [$syspreds] stream_position_field(line_position, _1349774)
   Exit: (199) [$syspreds] stream_position_field(line_position, 3)
   Call: (199) [system] arg(3, '$stream_position'(933, 31, 0, 933), _1333048)
   Exit: (199) [system] arg(3, '$stream_position'(933, 31, 0, 933), 0)
   Exit: (198) [$syspreds] stream_position_data(line_position, '$stream_position'(933, 31, 0, 933), 0)
   Call: (198) [$syspreds] stream_position_data(char_count, '$stream_position'(933, 31, 0, 933), _1333050)
   Call: (199) [system] nonvar(char_count)
   Exit: (199) [system] nonvar(char_count)
   Call: (199) [$syspreds] stream_position_field(char_count, _1357208)
   Exit: (199) [$syspreds] stream_position_field(char_count, 1)
   Call: (199) [system] arg(1, '$stream_position'(933, 31, 0, 933), _1333050)
   Exit: (199) [system] arg(1, '$stream_position'(933, 31, 0, 933), 933)
   Exit: (198) [$syspreds] stream_position_data(char_count, '$stream_position'(933, 31, 0, 933), 933)
^  Exit: (197) [user] read_position((0x56051b6b4f40), 31, 0, 933, '$stream_position'(933, 31, 0, 933))
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1362802)
   Call: (198) [system] get_char((0x56051b6b4f40), _1363732)
   Exit: (198) [system] get_char((0x56051b6b4f40), ;)
   Call: (198) [system] char_type(;, end_of_line)
   Call: (198) [system] (;)=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1367446)
   Call: (199) [system] get_char((0x56051b6b4f40), _1368376)
   Exit: (199) [system] get_char((0x56051b6b4f40), ;)
   Call: (199) [system] char_type(;, end_of_line)
   Call: (199) [system] (;)=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1372090)
   Call: (200) [system] get_char((0x56051b6b4f40), _1373020)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
   Call: (200) [system] char_type(' ', end_of_line)
   Call: (200) [system] ' '=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1376734)
   Call: (201) [system] get_char((0x56051b6b4f40), _1377664)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1381378)
   Call: (202) [system] get_char((0x56051b6b4f40), _1382308)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _1386022)
   Call: (203) [system] get_char((0x56051b6b4f40), _1386952)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1390666)
   Call: (204) [system] get_char((0x56051b6b4f40), _1391596)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1395310)
   Call: (205) [system] get_char((0x56051b6b4f40), _1396240)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1399954)
   Call: (206) [system] get_char((0x56051b6b4f40), _1400884)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1404598)
   Call: (207) [system] get_char((0x56051b6b4f40), _1405528)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _1409242)
   Call: (208) [system] get_char((0x56051b6b4f40), _1410172)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _1413886)
   Call: (209) [system] get_char((0x56051b6b4f40), _1414816)
   Exit: (209) [system] get_char((0x56051b6b4f40), '4')
   Call: (209) [system] char_type('4', end_of_line)
   Call: (209) [system] '4'=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _1418530)
   Call: (210) [system] get_char((0x56051b6b4f40), _1419460)
   Exit: (210) [system] get_char((0x56051b6b4f40), '.')
   Call: (210) [system] char_type('.', end_of_line)
   Call: (210) [system] ('.')=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1423174)
   Call: (211) [system] get_char((0x56051b6b4f40), _1424104)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
   Call: (211) [system] char_type(' ', end_of_line)
   Call: (211) [system] ' '=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1427818)
   Call: (212) [system] get_char((0x56051b6b4f40), _1428748)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'T')
   Call: (212) [system] char_type('T', end_of_line)
   Call: (212) [system] 'T'=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1432462)
   Call: (213) [system] get_char((0x56051b6b4f40), _1433392)
   Exit: (213) [system] get_char((0x56051b6b4f40), y)
   Call: (213) [system] char_type(y, end_of_line)
   Call: (213) [system] y=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1437106)
   Call: (214) [system] get_char((0x56051b6b4f40), _1438036)
   Exit: (214) [system] get_char((0x56051b6b4f40), p)
   Call: (214) [system] char_type(p, end_of_line)
   Call: (214) [system] p=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1441750)
   Call: (215) [system] get_char((0x56051b6b4f40), _1442680)
   Exit: (215) [system] get_char((0x56051b6b4f40), e)
   Call: (215) [system] char_type(e, end_of_line)
   Call: (215) [system] e=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1446394)
   Call: (216) [system] get_char((0x56051b6b4f40), _1447324)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1451038)
   Call: (217) [system] get_char((0x56051b6b4f40), _1451968)
   Exit: (217) [system] get_char((0x56051b6b4f40), c)
   Call: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] c=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1455682)
   Call: (218) [system] get_char((0x56051b6b4f40), _1456612)
   Exit: (218) [system] get_char((0x56051b6b4f40), h)
   Call: (218) [system] char_type(h, end_of_line)
   Call: (218) [system] h=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1460326)
   Call: (219) [system] get_char((0x56051b6b4f40), _1461256)
   Exit: (219) [system] get_char((0x56051b6b4f40), e)
   Call: (219) [system] char_type(e, end_of_line)
   Call: (219) [system] e=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1464970)
   Call: (220) [system] get_char((0x56051b6b4f40), _1465900)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] c=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1469614)
   Call: (221) [system] get_char((0x56051b6b4f40), _1470544)
   Exit: (221) [system] get_char((0x56051b6b4f40), k)
   Call: (221) [system] char_type(k, end_of_line)
   Call: (221) [system] k=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1474258)
   Call: (222) [system] get_char((0x56051b6b4f40), _1475188)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] char_type(i, end_of_line)
   Call: (222) [system] i=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1478902)
   Call: (223) [system] get_char((0x56051b6b4f40), _1479832)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] char_type(n, end_of_line)
   Call: (223) [system] n=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1483546)
   Call: (224) [system] get_char((0x56051b6b4f40), _1484476)
   Exit: (224) [system] get_char((0x56051b6b4f40), g)
   Call: (224) [system] char_type(g, end_of_line)
   Call: (224) [system] g=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1488190)
   Call: (225) [system] get_char((0x56051b6b4f40), _1489120)
   Exit: (225) [system] get_char((0x56051b6b4f40), :)
   Call: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] (:)=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1492834)
   Call: (226) [system] get_char((0x56051b6b4f40), _1493764)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
   Call: (226) [system] char_type(' ', end_of_line)
   Call: (226) [system] ' '=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1497478)
   Call: (227) [system] get_char((0x56051b6b4f40), _1498408)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1502122)
   Call: (228) [system] get_char((0x56051b6b4f40), _1503052)
   Exit: (228) [system] get_char((0x56051b6b4f40), :)
   Call: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] (:)=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1506766)
   Call: (229) [system] get_char((0x56051b6b4f40), _1507696)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
   Call: (229) [system] char_type(' ', end_of_line)
   Call: (229) [system] ' '=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1511410)
   Call: (230) [system] get_char((0x56051b6b4f40), _1512340)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'T')
   Call: (230) [system] char_type('T', end_of_line)
   Call: (230) [system] 'T'=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1516054)
   Call: (231) [system] get_char((0x56051b6b4f40), _1516984)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'E')
   Call: (231) [system] char_type('E', end_of_line)
   Call: (231) [system] 'E'=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1520698)
   Call: (232) [system] get_char((0x56051b6b4f40), _1521628)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'R')
   Call: (232) [system] char_type('R', end_of_line)
   Call: (232) [system] 'R'=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1525342)
   Call: (233) [system] get_char((0x56051b6b4f40), _1526272)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'M')
   Call: (233) [system] char_type('M', end_of_line)
   Call: (233) [system] 'M'=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1529986)
   Call: (234) [system] get_char((0x56051b6b4f40), _1530916)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
   Call: (234) [system] char_type(' ', end_of_line)
   Call: (234) [system] ' '=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1534630)
   Call: (235) [system] get_char((0x56051b6b4f40), _1535560)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'T')
   Call: (235) [system] char_type('T', end_of_line)
   Call: (235) [system] 'T'=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1539274)
   Call: (236) [system] get_char((0x56051b6b4f40), _1540204)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'Y')
   Call: (236) [system] char_type('Y', end_of_line)
   Call: (236) [system] 'Y'=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1543918)
   Call: (237) [system] get_char((0x56051b6b4f40), _1544848)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'P')
   Call: (237) [system] char_type('P', end_of_line)
   Call: (237) [system] 'P'=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1548562)
   Call: (238) [system] get_char((0x56051b6b4f40), _1549492)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'E')
   Call: (238) [system] char_type('E', end_of_line)
   Call: (238) [system] 'E'=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1553206)
   Call: (239) [system] get_char((0x56051b6b4f40), _1554136)
   Exit: (239) [system] get_char((0x56051b6b4f40), ')')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] ')'=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _1557850)
   Call: (240) [system] get_char((0x56051b6b4f40), _1558780)
   Exit: (240) [system] get_char((0x56051b6b4f40), '\n')
   Call: (240) [system] char_type('\n', end_of_line)
   Exit: (240) [system] char_type('\n', end_of_line)
   Call: (240) [system] _1557850=""
   Exit: (240) [system] ""=""
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (239) [system] string_concat(')', "", _1553206)
   Exit: (239) [system] string_concat(')', "", ")")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), ")")
   Call: (238) [system] string_concat('E', ")", _1548562)
   Exit: (238) [system] string_concat('E', ")", "E)")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "E)")
   Call: (237) [system] string_concat('P', "E)", _1543918)
   Exit: (237) [system] string_concat('P', "E)", "PE)")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "PE)")
   Call: (236) [system] string_concat('Y', "PE)", _1539274)
   Exit: (236) [system] string_concat('Y', "PE)", "YPE)")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "YPE)")
   Call: (235) [system] string_concat('T', "YPE)", _1534630)
   Exit: (235) [system] string_concat('T', "YPE)", "TYPE)")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "TYPE)")
   Call: (234) [system] string_concat(' ', "TYPE)", _1529986)
   Exit: (234) [system] string_concat(' ', "TYPE)", " TYPE)")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), " TYPE)")
   Call: (233) [system] string_concat('M', " TYPE)", _1525342)
   Exit: (233) [system] string_concat('M', " TYPE)", "M TYPE)")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "M TYPE)")
   Call: (232) [system] string_concat('R', "M TYPE)", _1520698)
   Exit: (232) [system] string_concat('R', "M TYPE)", "RM TYPE)")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "RM TYPE)")
   Call: (231) [system] string_concat('E', "RM TYPE)", _1516054)
   Exit: (231) [system] string_concat('E', "RM TYPE)", "ERM TYPE)")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "ERM TYPE)")
   Call: (230) [system] string_concat('T', "ERM TYPE)", _1511410)
   Exit: (230) [system] string_concat('T', "ERM TYPE)", "TERM TYPE)")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "TERM TYPE)")
   Call: (229) [system] string_concat(' ', "TERM TYPE)", _1506766)
   Exit: (229) [system] string_concat(' ', "TERM TYPE)", " TERM TYPE)")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), " TERM TYPE)")
   Call: (228) [system] string_concat(:, " TERM TYPE)", _1502122)
   Exit: (228) [system] string_concat(:, " TERM TYPE)", ": TERM TYPE)")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), ": TERM TYPE)")
   Call: (227) [system] string_concat('(', ": TERM TYPE)", _1497478)
   Exit: (227) [system] string_concat('(', ": TERM TYPE)", "(: TERM TYPE)")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "(: TERM TYPE)")
   Call: (226) [system] string_concat(' ', "(: TERM TYPE)", _1492834)
   Exit: (226) [system] string_concat(' ', "(: TERM TYPE)", " (: TERM TYPE)")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), " (: TERM TYPE)")
   Call: (225) [system] string_concat(:, " (: TERM TYPE)", _1488190)
   Exit: (225) [system] string_concat(:, " (: TERM TYPE)", ": (: TERM TYPE)")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), ": (: TERM TYPE)")
   Call: (224) [system] string_concat(g, ": (: TERM TYPE)", _1483546)
   Exit: (224) [system] string_concat(g, ": (: TERM TYPE)", "g: (: TERM TYPE)")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "g: (: TERM TYPE)")
   Call: (223) [system] string_concat(n, "g: (: TERM TYPE)", _1478902)
   Exit: (223) [system] string_concat(n, "g: (: TERM TYPE)", "ng: (: TERM TYPE)")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "ng: (: TERM TYPE)")
   Call: (222) [system] string_concat(i, "ng: (: TERM TYPE)", _1474258)
   Exit: (222) [system] string_concat(i, "ng: (: TERM TYPE)", "ing: (: TERM TYPE)")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "ing: (: TERM TYPE)")
   Call: (221) [system] string_concat(k, "ing: (: TERM TYPE)", _1469614)
   Exit: (221) [system] string_concat(k, "ing: (: TERM TYPE)", "king: (: TERM TYPE)")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "king: (: TERM TYPE)")
   Call: (220) [system] string_concat(c, "king: (: TERM TYPE)", _1464970)
   Exit: (220) [system] string_concat(c, "king: (: TERM TYPE)", "cking: (: TERM TYPE)")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "cking: (: TERM TYPE)")
   Call: (219) [system] string_concat(e, "cking: (: TERM TYPE)", _1460326)
   Exit: (219) [system] string_concat(e, "cking: (: TERM TYPE)", "ecking: (: TERM TYPE)")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "ecking: (: TERM TYPE)")
   Call: (218) [system] string_concat(h, "ecking: (: TERM TYPE)", _1455682)
   Exit: (218) [system] string_concat(h, "ecking: (: TERM TYPE)", "hecking: (: TERM TYPE)")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "hecking: (: TERM TYPE)")
   Call: (217) [system] string_concat(c, "hecking: (: TERM TYPE)", _1451038)
   Exit: (217) [system] string_concat(c, "hecking: (: TERM TYPE)", "checking: (: TERM TYPE)")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "checking: (: TERM TYPE)")
   Call: (216) [system] string_concat(' ', "checking: (: TERM TYPE)", _1446394)
   Exit: (216) [system] string_concat(' ', "checking: (: TERM TYPE)", " checking: (: TERM TYPE)")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), " checking: (: TERM TYPE)")
   Call: (215) [system] string_concat(e, " checking: (: TERM TYPE)", _1441750)
   Exit: (215) [system] string_concat(e, " checking: (: TERM TYPE)", "e checking: (: TERM TYPE)")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "e checking: (: TERM TYPE)")
   Call: (214) [system] string_concat(p, "e checking: (: TERM TYPE)", _1437106)
   Exit: (214) [system] string_concat(p, "e checking: (: TERM TYPE)", "pe checking: (: TERM TYPE)")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "pe checking: (: TERM TYPE)")
   Call: (213) [system] string_concat(y, "pe checking: (: TERM TYPE)", _1432462)
   Exit: (213) [system] string_concat(y, "pe checking: (: TERM TYPE)", "ype checking: (: TERM TYPE)")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "ype checking: (: TERM TYPE)")
   Call: (212) [system] string_concat('T', "ype checking: (: TERM TYPE)", _1427818)
   Exit: (212) [system] string_concat('T', "ype checking: (: TERM TYPE)", "Type checking: (: TERM TYPE)")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "Type checking: (: TERM TYPE)")
   Call: (211) [system] string_concat(' ', "Type checking: (: TERM TYPE)", _1423174)
   Exit: (211) [system] string_concat(' ', "Type checking: (: TERM TYPE)", " Type checking: (: TERM TYPE)")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), " Type checking: (: TERM TYPE)")
   Call: (210) [system] string_concat('.', " Type checking: (: TERM TYPE)", _1418530)
   Exit: (210) [system] string_concat('.', " Type checking: (: TERM TYPE)", ". Type checking: (: TERM TYPE)")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), ". Type checking: (: TERM TYPE)")
   Call: (209) [system] string_concat('4', ". Type checking: (: TERM TYPE)", _1413886)
   Exit: (209) [system] string_concat('4', ". Type checking: (: TERM TYPE)", "4. Type checking: (: TERM TYPE)")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "4. Type checking: (: TERM TYPE)")
   Call: (208) [system] string_concat(' ', "4. Type checking: (: TERM TYPE)", _1409242)
   Exit: (208) [system] string_concat(' ', "4. Type checking: (: TERM TYPE)", " 4. Type checking: (: TERM TYPE)")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), " 4. Type checking: (: TERM TYPE)")
   Call: (207) [system] string_concat(' ', " 4. Type checking: (: TERM TYPE)", _1404598)
   Exit: (207) [system] string_concat(' ', " 4. Type checking: (: TERM TYPE)", "  4. Type checking: (: TERM TYPE)")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "  4. Type checking: (: TERM TYPE)")
   Call: (206) [system] string_concat(' ', "  4. Type checking: (: TERM TYPE)", _1399954)
   Exit: (206) [system] string_concat(' ', "  4. Type checking: (: TERM TYPE)", "   4. Type checking: (: TERM TYPE)")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "   4. Type checking: (: TERM TYPE)")
   Call: (205) [system] string_concat(' ', "   4. Type checking: (: TERM TYPE)", _1395310)
   Exit: (205) [system] string_concat(' ', "   4. Type checking: (: TERM TYPE)", "    4. Type checking: (: TERM TYPE)")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "    4. Type checking: (: TERM TYPE)")
   Call: (204) [system] string_concat(' ', "    4. Type checking: (: TERM TYPE)", _1390666)
   Exit: (204) [system] string_concat(' ', "    4. Type checking: (: TERM TYPE)", "     4. Type checking: (: TERM TYPE)")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "     4. Type checking: (: TERM TYPE)")
   Call: (203) [system] string_concat(' ', "     4. Type checking: (: TERM TYPE)", _1386022)
   Exit: (203) [system] string_concat(' ', "     4. Type checking: (: TERM TYPE)", "      4. Type checking: (: TERM TYPE)")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "      4. Type checking: (: TERM TYPE)")
   Call: (202) [system] string_concat(' ', "      4. Type checking: (: TERM TYPE)", _1381378)
   Exit: (202) [system] string_concat(' ', "      4. Type checking: (: TERM TYPE)", "       4. Type checking: (: TERM TYPE)")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "       4. Type checking: (: TERM TYPE)")
   Call: (201) [system] string_concat(' ', "       4. Type checking: (: TERM TYPE)", _1376734)
   Exit: (201) [system] string_concat(' ', "       4. Type checking: (: TERM TYPE)", "        4. Type checking: (: TERM TYPE)")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "        4. Type checking: (: TERM TYPE)")
   Call: (200) [system] string_concat(' ', "        4. Type checking: (: TERM TYPE)", _1372090)
   Exit: (200) [system] string_concat(' ', "        4. Type checking: (: TERM TYPE)", "         4. Type checking: (: TERM TYPE)")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "         4. Type checking: (: TERM TYPE)")
   Call: (199) [system] string_concat(;, "         4. Type checking: (: TERM TYPE)", _1367446)
   Exit: (199) [system] string_concat(;, "         4. Type checking: (: TERM TYPE)", ";         4. Type checking: (: TERM TYPE)")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), ";         4. Type checking: (: TERM TYPE)")
   Call: (198) [system] string_concat(;, ";         4. Type checking: (: TERM TYPE)", _1362802)
   Exit: (198) [system] string_concat(;, ";         4. Type checking: (: TERM TYPE)", ";;         4. Type checking: (: TERM TYPE)")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), ";;         4. Type checking: (: TERM TYPE)")
^  Call: (197) [user] assertz(metta_file_comment(31, 0, 933, '$COMMENT'(";;         4. Type checking: (: TERM TYPE)", 31, 0), '$stream_position'(933, 31, 0, 933)))
^  Exit: (197) [user] assertz(metta_file_comment(31, 0, 933, '$COMMENT'(";;         4. Type checking: (: TERM TYPE)", 31, 0), '$stream_position'(933, 31, 0, 933)))
^  Exit: (196) [user] read_comment((0x56051b6b4f40))
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1686728)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ;)
   Call: (197) [system] (;)=(;)
   Exit: (197) [system] (;)=(;)
^  Call: (197) [user] read_comment((0x56051b6b4f40))
^  Call: (198) [user] read_position((0x56051b6b4f40), _1691366, _1691368, _1691370, _1691372)
   Call: (199) [system] stream_property((0x56051b6b4f40), position(_1691372))
   Call: (200) [system] nonvar((0x56051b6b4f40))
   Exit: (200) [system] nonvar((0x56051b6b4f40))
   Call: (200) [system] nonvar(position(_1691372))
   Exit: (200) [system] nonvar(position(_1691372))
   Exit: (199) [system] stream_property((0x56051b6b4f40), position('$stream_position'(976, 32, 0, 976)))
   Call: (199) [$syspreds] stream_position_data(line_count, '$stream_position'(976, 32, 0, 976), _1691366)
   Call: (200) [system] nonvar(line_count)
   Exit: (200) [system] nonvar(line_count)
   Call: (200) [$syspreds] stream_position_field(line_count, _1700660)
   Exit: (200) [$syspreds] stream_position_field(line_count, 2)
   Call: (200) [system] arg(2, '$stream_position'(976, 32, 0, 976), _1691366)
   Exit: (200) [system] arg(2, '$stream_position'(976, 32, 0, 976), 32)
   Exit: (199) [$syspreds] stream_position_data(line_count, '$stream_position'(976, 32, 0, 976), 32)
   Call: (199) [$syspreds] stream_position_data(line_position, '$stream_position'(976, 32, 0, 976), _1691368)
   Call: (200) [system] nonvar(line_position)
   Exit: (200) [system] nonvar(line_position)
   Call: (200) [$syspreds] stream_position_field(line_position, _1708094)
   Exit: (200) [$syspreds] stream_position_field(line_position, 3)
   Call: (200) [system] arg(3, '$stream_position'(976, 32, 0, 976), _1691368)
   Exit: (200) [system] arg(3, '$stream_position'(976, 32, 0, 976), 0)
   Exit: (199) [$syspreds] stream_position_data(line_position, '$stream_position'(976, 32, 0, 976), 0)
   Call: (199) [$syspreds] stream_position_data(char_count, '$stream_position'(976, 32, 0, 976), _1691370)
   Call: (200) [system] nonvar(char_count)
   Exit: (200) [system] nonvar(char_count)
   Call: (200) [$syspreds] stream_position_field(char_count, _1715528)
   Exit: (200) [$syspreds] stream_position_field(char_count, 1)
   Call: (200) [system] arg(1, '$stream_position'(976, 32, 0, 976), _1691370)
   Exit: (200) [system] arg(1, '$stream_position'(976, 32, 0, 976), 976)
   Exit: (199) [$syspreds] stream_position_data(char_count, '$stream_position'(976, 32, 0, 976), 976)
^  Exit: (198) [user] read_position((0x56051b6b4f40), 32, 0, 976, '$stream_position'(976, 32, 0, 976))
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1721122)
   Call: (199) [system] get_char((0x56051b6b4f40), _1722052)
   Exit: (199) [system] get_char((0x56051b6b4f40), ;)
   Call: (199) [system] char_type(;, end_of_line)
   Call: (199) [system] (;)=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1725766)
   Call: (200) [system] get_char((0x56051b6b4f40), _1726696)
   Exit: (200) [system] get_char((0x56051b6b4f40), ;)
   Call: (200) [system] char_type(;, end_of_line)
   Call: (200) [system] (;)=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1730410)
   Call: (201) [system] get_char((0x56051b6b4f40), _1731340)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1735054)
   Call: (202) [system] get_char((0x56051b6b4f40), _1735984)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
   Call: (202) [system] char_type(' ', end_of_line)
   Call: (202) [system] ' '=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _1739698)
   Call: (203) [system] get_char((0x56051b6b4f40), _1740628)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1744342)
   Call: (204) [system] get_char((0x56051b6b4f40), _1745272)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
   Call: (204) [system] char_type(' ', end_of_line)
   Call: (204) [system] ' '=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1748986)
   Call: (205) [system] get_char((0x56051b6b4f40), _1749916)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1753630)
   Call: (206) [system] get_char((0x56051b6b4f40), _1754560)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1758274)
   Call: (207) [system] get_char((0x56051b6b4f40), _1759204)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _1762918)
   Call: (208) [system] get_char((0x56051b6b4f40), _1763848)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _1767562)
   Call: (209) [system] get_char((0x56051b6b4f40), _1768492)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _1772206)
   Call: (210) [system] get_char((0x56051b6b4f40), _1773136)
   Exit: (210) [system] get_char((0x56051b6b4f40), '5')
   Call: (210) [system] char_type('5', end_of_line)
   Call: (210) [system] '5'=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1776850)
   Call: (211) [system] get_char((0x56051b6b4f40), _1777780)
   Exit: (211) [system] get_char((0x56051b6b4f40), '.')
   Call: (211) [system] char_type('.', end_of_line)
   Call: (211) [system] ('.')=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1781494)
   Call: (212) [system] get_char((0x56051b6b4f40), _1782424)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
   Call: (212) [system] char_type(' ', end_of_line)
   Call: (212) [system] ' '=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1786138)
   Call: (213) [system] get_char((0x56051b6b4f40), _1787068)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'T')
   Call: (213) [system] char_type('T', end_of_line)
   Call: (213) [system] 'T'=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1790782)
   Call: (214) [system] get_char((0x56051b6b4f40), _1791712)
   Exit: (214) [system] get_char((0x56051b6b4f40), y)
   Call: (214) [system] char_type(y, end_of_line)
   Call: (214) [system] y=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1795426)
   Call: (215) [system] get_char((0x56051b6b4f40), _1796356)
   Exit: (215) [system] get_char((0x56051b6b4f40), p)
   Call: (215) [system] char_type(p, end_of_line)
   Call: (215) [system] p=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1800070)
   Call: (216) [system] get_char((0x56051b6b4f40), _1801000)
   Exit: (216) [system] get_char((0x56051b6b4f40), e)
   Call: (216) [system] char_type(e, end_of_line)
   Call: (216) [system] e=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1804714)
   Call: (217) [system] get_char((0x56051b6b4f40), _1805644)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1809358)
   Call: (218) [system] get_char((0x56051b6b4f40), _1810288)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] char_type(i, end_of_line)
   Call: (218) [system] i=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1814002)
   Call: (219) [system] get_char((0x56051b6b4f40), _1814932)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] char_type(n, end_of_line)
   Call: (219) [system] n=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1818646)
   Call: (220) [system] get_char((0x56051b6b4f40), _1819576)
   Exit: (220) [system] get_char((0x56051b6b4f40), f)
   Call: (220) [system] char_type(f, end_of_line)
   Call: (220) [system] f=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1823290)
   Call: (221) [system] get_char((0x56051b6b4f40), _1824220)
   Exit: (221) [system] get_char((0x56051b6b4f40), e)
   Call: (221) [system] char_type(e, end_of_line)
   Call: (221) [system] e=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1827934)
   Call: (222) [system] get_char((0x56051b6b4f40), _1828864)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] char_type(r, end_of_line)
   Call: (222) [system] r=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1832578)
   Call: (223) [system] get_char((0x56051b6b4f40), _1833508)
   Exit: (223) [system] get_char((0x56051b6b4f40), e)
   Call: (223) [system] char_type(e, end_of_line)
   Call: (223) [system] e=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1837222)
   Call: (224) [system] get_char((0x56051b6b4f40), _1838152)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] char_type(n, end_of_line)
   Call: (224) [system] n=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1841866)
   Call: (225) [system] get_char((0x56051b6b4f40), _1842796)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] c=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1846510)
   Call: (226) [system] get_char((0x56051b6b4f40), _1847440)
   Exit: (226) [system] get_char((0x56051b6b4f40), e)
   Call: (226) [system] char_type(e, end_of_line)
   Call: (226) [system] e=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1851154)
   Call: (227) [system] get_char((0x56051b6b4f40), _1852084)
   Exit: (227) [system] get_char((0x56051b6b4f40), :)
   Call: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] (:)=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1855798)
   Call: (228) [system] get_char((0x56051b6b4f40), _1856728)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
   Call: (228) [system] char_type(' ', end_of_line)
   Call: (228) [system] ' '=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1860442)
   Call: (229) [system] get_char((0x56051b6b4f40), _1861372)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1865086)
   Call: (230) [system] get_char((0x56051b6b4f40), _1866016)
   Exit: (230) [system] get_char((0x56051b6b4f40), :)
   Call: (230) [system] char_type(:, end_of_line)
   Call: (230) [system] (:)=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1869730)
   Call: (231) [system] get_char((0x56051b6b4f40), _1870660)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1874374)
   Call: (232) [system] get_char((0x56051b6b4f40), _1875304)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'T')
   Call: (232) [system] char_type('T', end_of_line)
   Call: (232) [system] 'T'=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1879018)
   Call: (233) [system] get_char((0x56051b6b4f40), _1879948)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'E')
   Call: (233) [system] char_type('E', end_of_line)
   Call: (233) [system] 'E'=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1883662)
   Call: (234) [system] get_char((0x56051b6b4f40), _1884592)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'R')
   Call: (234) [system] char_type('R', end_of_line)
   Call: (234) [system] 'R'=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1888306)
   Call: (235) [system] get_char((0x56051b6b4f40), _1889236)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'M')
   Call: (235) [system] char_type('M', end_of_line)
   Call: (235) [system] 'M'=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1892950)
   Call: (236) [system] get_char((0x56051b6b4f40), _1893880)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
   Call: (236) [system] char_type(' ', end_of_line)
   Call: (236) [system] ' '=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1897594)
   Call: (237) [system] get_char((0x56051b6b4f40), _1898524)
   Exit: (237) [system] get_char((0x56051b6b4f40), $)
   Call: (237) [system] char_type($, end_of_line)
   Call: (237) [system] ($)=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1902238)
   Call: (238) [system] get_char((0x56051b6b4f40), _1903168)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] char_type(t, end_of_line)
   Call: (238) [system] t=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1906882)
   Call: (239) [system] get_char((0x56051b6b4f40), _1907812)
   Exit: (239) [system] get_char((0x56051b6b4f40), y)
   Call: (239) [system] char_type(y, end_of_line)
   Call: (239) [system] y=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _1911526)
   Call: (240) [system] get_char((0x56051b6b4f40), _1912456)
   Exit: (240) [system] get_char((0x56051b6b4f40), p)
   Call: (240) [system] char_type(p, end_of_line)
   Call: (240) [system] p=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _1916170)
   Call: (241) [system] get_char((0x56051b6b4f40), _1917100)
   Exit: (241) [system] get_char((0x56051b6b4f40), e)
   Call: (241) [system] char_type(e, end_of_line)
   Call: (241) [system] e=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _1920814)
   Call: (242) [system] get_char((0x56051b6b4f40), _1921744)
   Exit: (242) [system] get_char((0x56051b6b4f40), ')')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] ')'=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _1925458)
   Call: (243) [system] get_char((0x56051b6b4f40), _1926388)
   Exit: (243) [system] get_char((0x56051b6b4f40), '\n')
   Call: (243) [system] char_type('\n', end_of_line)
   Exit: (243) [system] char_type('\n', end_of_line)
   Call: (243) [system] _1925458=""
   Exit: (243) [system] ""=""
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (242) [system] string_concat(')', "", _1920814)
   Exit: (242) [system] string_concat(')', "", ")")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), ")")
   Call: (241) [system] string_concat(e, ")", _1916170)
   Exit: (241) [system] string_concat(e, ")", "e)")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "e)")
   Call: (240) [system] string_concat(p, "e)", _1911526)
   Exit: (240) [system] string_concat(p, "e)", "pe)")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "pe)")
   Call: (239) [system] string_concat(y, "pe)", _1906882)
   Exit: (239) [system] string_concat(y, "pe)", "ype)")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "ype)")
   Call: (238) [system] string_concat(t, "ype)", _1902238)
   Exit: (238) [system] string_concat(t, "ype)", "type)")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "type)")
   Call: (237) [system] string_concat($, "type)", _1897594)
   Exit: (237) [system] string_concat($, "type)", "$type)")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "$type)")
   Call: (236) [system] string_concat(' ', "$type)", _1892950)
   Exit: (236) [system] string_concat(' ', "$type)", " $type)")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), " $type)")
   Call: (235) [system] string_concat('M', " $type)", _1888306)
   Exit: (235) [system] string_concat('M', " $type)", "M $type)")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "M $type)")
   Call: (234) [system] string_concat('R', "M $type)", _1883662)
   Exit: (234) [system] string_concat('R', "M $type)", "RM $type)")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "RM $type)")
   Call: (233) [system] string_concat('E', "RM $type)", _1879018)
   Exit: (233) [system] string_concat('E', "RM $type)", "ERM $type)")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "ERM $type)")
   Call: (232) [system] string_concat('T', "ERM $type)", _1874374)
   Exit: (232) [system] string_concat('T', "ERM $type)", "TERM $type)")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "TERM $type)")
   Call: (231) [system] string_concat(' ', "TERM $type)", _1869730)
   Exit: (231) [system] string_concat(' ', "TERM $type)", " TERM $type)")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), " TERM $type)")
   Call: (230) [system] string_concat(:, " TERM $type)", _1865086)
   Exit: (230) [system] string_concat(:, " TERM $type)", ": TERM $type)")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), ": TERM $type)")
   Call: (229) [system] string_concat('(', ": TERM $type)", _1860442)
   Exit: (229) [system] string_concat('(', ": TERM $type)", "(: TERM $type)")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "(: TERM $type)")
   Call: (228) [system] string_concat(' ', "(: TERM $type)", _1855798)
   Exit: (228) [system] string_concat(' ', "(: TERM $type)", " (: TERM $type)")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), " (: TERM $type)")
   Call: (227) [system] string_concat(:, " (: TERM $type)", _1851154)
   Exit: (227) [system] string_concat(:, " (: TERM $type)", ": (: TERM $type)")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), ": (: TERM $type)")
   Call: (226) [system] string_concat(e, ": (: TERM $type)", _1846510)
   Exit: (226) [system] string_concat(e, ": (: TERM $type)", "e: (: TERM $type)")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "e: (: TERM $type)")
   Call: (225) [system] string_concat(c, "e: (: TERM $type)", _1841866)
   Exit: (225) [system] string_concat(c, "e: (: TERM $type)", "ce: (: TERM $type)")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "ce: (: TERM $type)")
   Call: (224) [system] string_concat(n, "ce: (: TERM $type)", _1837222)
   Exit: (224) [system] string_concat(n, "ce: (: TERM $type)", "nce: (: TERM $type)")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "nce: (: TERM $type)")
   Call: (223) [system] string_concat(e, "nce: (: TERM $type)", _1832578)
   Exit: (223) [system] string_concat(e, "nce: (: TERM $type)", "ence: (: TERM $type)")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "ence: (: TERM $type)")
   Call: (222) [system] string_concat(r, "ence: (: TERM $type)", _1827934)
   Exit: (222) [system] string_concat(r, "ence: (: TERM $type)", "rence: (: TERM $type)")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "rence: (: TERM $type)")
   Call: (221) [system] string_concat(e, "rence: (: TERM $type)", _1823290)
   Exit: (221) [system] string_concat(e, "rence: (: TERM $type)", "erence: (: TERM $type)")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "erence: (: TERM $type)")
   Call: (220) [system] string_concat(f, "erence: (: TERM $type)", _1818646)
   Exit: (220) [system] string_concat(f, "erence: (: TERM $type)", "ference: (: TERM $type)")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "ference: (: TERM $type)")
   Call: (219) [system] string_concat(n, "ference: (: TERM $type)", _1814002)
   Exit: (219) [system] string_concat(n, "ference: (: TERM $type)", "nference: (: TERM $type)")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "nference: (: TERM $type)")
   Call: (218) [system] string_concat(i, "nference: (: TERM $type)", _1809358)
   Exit: (218) [system] string_concat(i, "nference: (: TERM $type)", "inference: (: TERM $type)")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "inference: (: TERM $type)")
   Call: (217) [system] string_concat(' ', "inference: (: TERM $type)", _1804714)
   Exit: (217) [system] string_concat(' ', "inference: (: TERM $type)", " inference: (: TERM $type)")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), " inference: (: TERM $type)")
   Call: (216) [system] string_concat(e, " inference: (: TERM $type)", _1800070)
   Exit: (216) [system] string_concat(e, " inference: (: TERM $type)", "e inference: (: TERM $type)")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "e inference: (: TERM $type)")
   Call: (215) [system] string_concat(p, "e inference: (: TERM $type)", _1795426)
   Exit: (215) [system] string_concat(p, "e inference: (: TERM $type)", "pe inference: (: TERM $type)")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "pe inference: (: TERM $type)")
   Call: (214) [system] string_concat(y, "pe inference: (: TERM $type)", _1790782)
   Exit: (214) [system] string_concat(y, "pe inference: (: TERM $type)", "ype inference: (: TERM $type)")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "ype inference: (: TERM $type)")
   Call: (213) [system] string_concat('T', "ype inference: (: TERM $type)", _1786138)
   Exit: (213) [system] string_concat('T', "ype inference: (: TERM $type)", "Type inference: (: TERM $type)")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "Type inference: (: TERM $type)")
   Call: (212) [system] string_concat(' ', "Type inference: (: TERM $type)", _1781494)
   Exit: (212) [system] string_concat(' ', "Type inference: (: TERM $type)", " Type inference: (: TERM $type)")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), " Type inference: (: TERM $type)")
   Call: (211) [system] string_concat('.', " Type inference: (: TERM $type)", _1776850)
   Exit: (211) [system] string_concat('.', " Type inference: (: TERM $type)", ". Type inference: (: TERM $type)")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), ". Type inference: (: TERM $type)")
   Call: (210) [system] string_concat('5', ". Type inference: (: TERM $type)", _1772206)
   Exit: (210) [system] string_concat('5', ". Type inference: (: TERM $type)", "5. Type inference: (: TERM $type)")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "5. Type inference: (: TERM $type)")
   Call: (209) [system] string_concat(' ', "5. Type inference: (: TERM $type)", _1767562)
   Exit: (209) [system] string_concat(' ', "5. Type inference: (: TERM $type)", " 5. Type inference: (: TERM $type)")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), " 5. Type inference: (: TERM $type)")
   Call: (208) [system] string_concat(' ', " 5. Type inference: (: TERM $type)", _1762918)
   Exit: (208) [system] string_concat(' ', " 5. Type inference: (: TERM $type)", "  5. Type inference: (: TERM $type)")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "  5. Type inference: (: TERM $type)")
   Call: (207) [system] string_concat(' ', "  5. Type inference: (: TERM $type)", _1758274)
   Exit: (207) [system] string_concat(' ', "  5. Type inference: (: TERM $type)", "   5. Type inference: (: TERM $type)")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "   5. Type inference: (: TERM $type)")
   Call: (206) [system] string_concat(' ', "   5. Type inference: (: TERM $type)", _1753630)
   Exit: (206) [system] string_concat(' ', "   5. Type inference: (: TERM $type)", "    5. Type inference: (: TERM $type)")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "    5. Type inference: (: TERM $type)")
   Call: (205) [system] string_concat(' ', "    5. Type inference: (: TERM $type)", _1748986)
   Exit: (205) [system] string_concat(' ', "    5. Type inference: (: TERM $type)", "     5. Type inference: (: TERM $type)")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "     5. Type inference: (: TERM $type)")
   Call: (204) [system] string_concat(' ', "     5. Type inference: (: TERM $type)", _1744342)
   Exit: (204) [system] string_concat(' ', "     5. Type inference: (: TERM $type)", "      5. Type inference: (: TERM $type)")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "      5. Type inference: (: TERM $type)")
   Call: (203) [system] string_concat(' ', "      5. Type inference: (: TERM $type)", _1739698)
   Exit: (203) [system] string_concat(' ', "      5. Type inference: (: TERM $type)", "       5. Type inference: (: TERM $type)")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "       5. Type inference: (: TERM $type)")
   Call: (202) [system] string_concat(' ', "       5. Type inference: (: TERM $type)", _1735054)
   Exit: (202) [system] string_concat(' ', "       5. Type inference: (: TERM $type)", "        5. Type inference: (: TERM $type)")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "        5. Type inference: (: TERM $type)")
   Call: (201) [system] string_concat(' ', "        5. Type inference: (: TERM $type)", _1730410)
   Exit: (201) [system] string_concat(' ', "        5. Type inference: (: TERM $type)", "         5. Type inference: (: TERM $type)")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "         5. Type inference: (: TERM $type)")
   Call: (200) [system] string_concat(;, "         5. Type inference: (: TERM $type)", _1725766)
   Exit: (200) [system] string_concat(;, "         5. Type inference: (: TERM $type)", ";         5. Type inference: (: TERM $type)")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), ";         5. Type inference: (: TERM $type)")
   Call: (199) [system] string_concat(;, ";         5. Type inference: (: TERM $type)", _1721122)
   Exit: (199) [system] string_concat(;, ";         5. Type inference: (: TERM $type)", ";;         5. Type inference: (: TERM $type)")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), ";;         5. Type inference: (: TERM $type)")
^  Call: (198) [user] assertz(metta_file_comment(32, 0, 976, '$COMMENT'(";;         5. Type inference: (: TERM $type)", 32, 0), '$stream_position'(976, 32, 0, 976)))
^  Exit: (198) [user] assertz(metta_file_comment(32, 0, 976, '$COMMENT'(";;         5. Type inference: (: TERM $type)", 32, 0), '$stream_position'(976, 32, 0, 976)))
^  Exit: (197) [user] read_comment((0x56051b6b4f40))
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _2059952)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ;)
   Call: (198) [system] (;)=(;)
   Exit: (198) [system] (;)=(;)
^  Call: (198) [user] read_comment((0x56051b6b4f40))
^  Call: (199) [user] read_position((0x56051b6b4f40), _2064590, _2064592, _2064594, _2064596)
   Call: (200) [system] stream_property((0x56051b6b4f40), position(_2064596))
   Call: (201) [system] nonvar((0x56051b6b4f40))
   Exit: (201) [system] nonvar((0x56051b6b4f40))
   Call: (201) [system] nonvar(position(_2064596))
   Exit: (201) [system] nonvar(position(_2064596))
   Exit: (200) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1021, 33, 0, 1021)))
   Call: (200) [$syspreds] stream_position_data(line_count, '$stream_position'(1021, 33, 0, 1021), _2064590)
   Call: (201) [system] nonvar(line_count)
   Exit: (201) [system] nonvar(line_count)
   Call: (201) [$syspreds] stream_position_field(line_count, _2073884)
   Exit: (201) [$syspreds] stream_position_field(line_count, 2)
   Call: (201) [system] arg(2, '$stream_position'(1021, 33, 0, 1021), _2064590)
   Exit: (201) [system] arg(2, '$stream_position'(1021, 33, 0, 1021), 33)
   Exit: (200) [$syspreds] stream_position_data(line_count, '$stream_position'(1021, 33, 0, 1021), 33)
   Call: (200) [$syspreds] stream_position_data(line_position, '$stream_position'(1021, 33, 0, 1021), _2064592)
   Call: (201) [system] nonvar(line_position)
   Exit: (201) [system] nonvar(line_position)
   Call: (201) [$syspreds] stream_position_field(line_position, _2081318)
   Exit: (201) [$syspreds] stream_position_field(line_position, 3)
   Call: (201) [system] arg(3, '$stream_position'(1021, 33, 0, 1021), _2064592)
   Exit: (201) [system] arg(3, '$stream_position'(1021, 33, 0, 1021), 0)
   Exit: (200) [$syspreds] stream_position_data(line_position, '$stream_position'(1021, 33, 0, 1021), 0)
   Call: (200) [$syspreds] stream_position_data(char_count, '$stream_position'(1021, 33, 0, 1021), _2064594)
   Call: (201) [system] nonvar(char_count)
   Exit: (201) [system] nonvar(char_count)
   Call: (201) [$syspreds] stream_position_field(char_count, _2088752)
   Exit: (201) [$syspreds] stream_position_field(char_count, 1)
   Call: (201) [system] arg(1, '$stream_position'(1021, 33, 0, 1021), _2064594)
   Exit: (201) [system] arg(1, '$stream_position'(1021, 33, 0, 1021), 1021)
   Exit: (200) [$syspreds] stream_position_data(char_count, '$stream_position'(1021, 33, 0, 1021), 1021)
^  Exit: (199) [user] read_position((0x56051b6b4f40), 33, 0, 1021, '$stream_position'(1021, 33, 0, 1021))
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _2094346)
   Call: (200) [system] get_char((0x56051b6b4f40), _2095276)
   Exit: (200) [system] get_char((0x56051b6b4f40), ;)
   Call: (200) [system] char_type(;, end_of_line)
   Call: (200) [system] (;)=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _5614)
   Call: (201) [system] get_char((0x56051b6b4f40), _6544)
   Exit: (201) [system] get_char((0x56051b6b4f40), ;)
   Call: (201) [system] char_type(;, end_of_line)
   Call: (201) [system] (;)=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _10258)
   Call: (202) [system] get_char((0x56051b6b4f40), _11188)
   Exit: (202) [system] get_char((0x56051b6b4f40), '\n')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
   Call: (202) [system] _10258=""
   Exit: (202) [system] ""=""
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (201) [system] string_concat(;, "", _5614)
   Exit: (201) [system] string_concat(;, "", ";")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), ";")
   Call: (200) [system] string_concat(;, ";", _3402)
   Exit: (200) [system] string_concat(;, ";", ";;")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), ";;")
^  Call: (199) [user] assertz(metta_file_comment(33, 0, 1021, '$COMMENT'(";;", 33, 0), '$stream_position'(1021, 33, 0, 1021)))
^  Exit: (199) [user] assertz(metta_file_comment(33, 0, 1021, '$COMMENT'(";;", 33, 0), '$stream_position'(1021, 33, 0, 1021)))
^  Exit: (198) [user] read_comment((0x56051b6b4f40))
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _27016)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ;)
   Call: (199) [system] (;)=(;)
   Exit: (199) [system] (;)=(;)
^  Call: (199) [user] read_comment((0x56051b6b4f40))
^  Call: (200) [user] read_position((0x56051b6b4f40), _31654, _31656, _31658, _31660)
   Call: (201) [system] stream_property((0x56051b6b4f40), position(_31660))
   Call: (202) [system] nonvar((0x56051b6b4f40))
   Exit: (202) [system] nonvar((0x56051b6b4f40))
   Call: (202) [system] nonvar(position(_31660))
   Exit: (202) [system] nonvar(position(_31660))
   Exit: (201) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1024, 34, 0, 1024)))
   Call: (201) [$syspreds] stream_position_data(line_count, '$stream_position'(1024, 34, 0, 1024), _31654)
   Call: (202) [system] nonvar(line_count)
   Exit: (202) [system] nonvar(line_count)
   Call: (202) [$syspreds] stream_position_field(line_count, _40948)
   Exit: (202) [$syspreds] stream_position_field(line_count, 2)
   Call: (202) [system] arg(2, '$stream_position'(1024, 34, 0, 1024), _31654)
   Exit: (202) [system] arg(2, '$stream_position'(1024, 34, 0, 1024), 34)
   Exit: (201) [$syspreds] stream_position_data(line_count, '$stream_position'(1024, 34, 0, 1024), 34)
   Call: (201) [$syspreds] stream_position_data(line_position, '$stream_position'(1024, 34, 0, 1024), _31656)
   Call: (202) [system] nonvar(line_position)
   Exit: (202) [system] nonvar(line_position)
   Call: (202) [$syspreds] stream_position_field(line_position, _48382)
   Exit: (202) [$syspreds] stream_position_field(line_position, 3)
   Call: (202) [system] arg(3, '$stream_position'(1024, 34, 0, 1024), _31656)
   Exit: (202) [system] arg(3, '$stream_position'(1024, 34, 0, 1024), 0)
   Exit: (201) [$syspreds] stream_position_data(line_position, '$stream_position'(1024, 34, 0, 1024), 0)
   Call: (201) [$syspreds] stream_position_data(char_count, '$stream_position'(1024, 34, 0, 1024), _31658)
   Call: (202) [system] nonvar(char_count)
   Exit: (202) [system] nonvar(char_count)
   Call: (202) [$syspreds] stream_position_field(char_count, _55816)
   Exit: (202) [$syspreds] stream_position_field(char_count, 1)
   Call: (202) [system] arg(1, '$stream_position'(1024, 34, 0, 1024), _31658)
   Exit: (202) [system] arg(1, '$stream_position'(1024, 34, 0, 1024), 1024)
   Exit: (201) [$syspreds] stream_position_data(char_count, '$stream_position'(1024, 34, 0, 1024), 1024)
^  Exit: (200) [user] read_position((0x56051b6b4f40), 34, 0, 1024, '$stream_position'(1024, 34, 0, 1024))
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _61410)
   Call: (201) [system] get_char((0x56051b6b4f40), _62340)
   Exit: (201) [system] get_char((0x56051b6b4f40), ;)
   Call: (201) [system] char_type(;, end_of_line)
   Call: (201) [system] (;)=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _66054)
   Call: (202) [system] get_char((0x56051b6b4f40), _66984)
   Exit: (202) [system] get_char((0x56051b6b4f40), ;)
   Call: (202) [system] char_type(;, end_of_line)
   Call: (202) [system] (;)=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _70698)
   Call: (203) [system] get_char((0x56051b6b4f40), _71628)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
   Call: (203) [system] char_type(' ', end_of_line)
   Call: (203) [system] ' '=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _75342)
   Call: (204) [system] get_char((0x56051b6b4f40), _76272)
   Exit: (204) [system] get_char((0x56051b6b4f40), $)
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _79986)
   Call: (205) [system] get_char((0x56051b6b4f40), _80916)
   Exit: (205) [system] get_char((0x56051b6b4f40), k)
   Call: (205) [system] char_type(k, end_of_line)
   Call: (205) [system] k=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _84630)
   Call: (206) [system] get_char((0x56051b6b4f40), _85560)
   Exit: (206) [system] get_char((0x56051b6b4f40), b)
   Call: (206) [system] char_type(b, end_of_line)
   Call: (206) [system] b=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _89274)
   Call: (207) [system] get_char((0x56051b6b4f40), _90204)
   Exit: (207) [system] get_char((0x56051b6b4f40), :)
   Call: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _93918)
   Call: (208) [system] get_char((0x56051b6b4f40), _94848)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _98562)
   Call: (209) [system] get_char((0x56051b6b4f40), _99492)
   Exit: (209) [system] get_char((0x56051b6b4f40), a)
   Call: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _103206)
   Call: (210) [system] get_char((0x56051b6b4f40), _104136)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _107850)
   Call: (211) [system] get_char((0x56051b6b4f40), _108780)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] char_type(n, end_of_line)
   Call: (211) [system] n=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _112494)
   Call: (212) [system] get_char((0x56051b6b4f40), _113424)
   Exit: (212) [system] get_char((0x56051b6b4f40), u)
   Call: (212) [system] char_type(u, end_of_line)
   Call: (212) [system] u=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _117138)
   Call: (213) [system] get_char((0x56051b6b4f40), _118068)
   Exit: (213) [system] get_char((0x56051b6b4f40), l)
   Call: (213) [system] char_type(l, end_of_line)
   Call: (213) [system] l=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _121782)
   Call: (214) [system] get_char((0x56051b6b4f40), _122712)
   Exit: (214) [system] get_char((0x56051b6b4f40), l)
   Call: (214) [system] char_type(l, end_of_line)
   Call: (214) [system] l=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _126426)
   Call: (215) [system] get_char((0x56051b6b4f40), _127356)
   Exit: (215) [system] get_char((0x56051b6b4f40), a)
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] a=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _131070)
   Call: (216) [system] get_char((0x56051b6b4f40), _132000)
   Exit: (216) [system] get_char((0x56051b6b4f40), r)
   Call: (216) [system] char_type(r, end_of_line)
   Call: (216) [system] r=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _135714)
   Call: (217) [system] get_char((0x56051b6b4f40), _136644)
   Exit: (217) [system] get_char((0x56051b6b4f40), y)
   Call: (217) [system] char_type(y, end_of_line)
   Call: (217) [system] y=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _140358)
   Call: (218) [system] get_char((0x56051b6b4f40), _141288)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
   Call: (218) [system] char_type(' ', end_of_line)
   Call: (218) [system] ' '=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _145002)
   Call: (219) [system] get_char((0x56051b6b4f40), _145932)
   Exit: (219) [system] get_char((0x56051b6b4f40), f)
   Call: (219) [system] char_type(f, end_of_line)
   Call: (219) [system] f=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _149646)
   Call: (220) [system] get_char((0x56051b6b4f40), _150576)
   Exit: (220) [system] get_char((0x56051b6b4f40), u)
   Call: (220) [system] char_type(u, end_of_line)
   Call: (220) [system] u=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _154290)
   Call: (221) [system] get_char((0x56051b6b4f40), _155220)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] char_type(n, end_of_line)
   Call: (221) [system] n=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _158934)
   Call: (222) [system] get_char((0x56051b6b4f40), _159864)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] char_type(c, end_of_line)
   Call: (222) [system] c=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _163578)
   Call: (223) [system] get_char((0x56051b6b4f40), _164508)
   Exit: (223) [system] get_char((0x56051b6b4f40), t)
   Call: (223) [system] char_type(t, end_of_line)
   Call: (223) [system] t=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _168222)
   Call: (224) [system] get_char((0x56051b6b4f40), _169152)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] char_type(i, end_of_line)
   Call: (224) [system] i=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _172866)
   Call: (225) [system] get_char((0x56051b6b4f40), _173796)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] char_type(o, end_of_line)
   Call: (225) [system] o=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _177510)
   Call: (226) [system] get_char((0x56051b6b4f40), _178440)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] char_type(n, end_of_line)
   Call: (226) [system] n=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _182154)
   Call: (227) [system] get_char((0x56051b6b4f40), _183084)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
   Call: (227) [system] char_type(' ', end_of_line)
   Call: (227) [system] ' '=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _186798)
   Call: (228) [system] get_char((0x56051b6b4f40), _187728)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] char_type(t, end_of_line)
   Call: (228) [system] t=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _191442)
   Call: (229) [system] get_char((0x56051b6b4f40), _192372)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] char_type(o, end_of_line)
   Call: (229) [system] o=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _196086)
   Call: (230) [system] get_char((0x56051b6b4f40), _197016)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _200730)
   Call: (231) [system] get_char((0x56051b6b4f40), _201660)
   Exit: (231) [system] get_char((0x56051b6b4f40), a)
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] a=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _205374)
   Call: (232) [system] get_char((0x56051b6b4f40), _206304)
   Exit: (232) [system] get_char((0x56051b6b4f40), x)
   Call: (232) [system] char_type(x, end_of_line)
   Call: (232) [system] x=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _210018)
   Call: (233) [system] get_char((0x56051b6b4f40), _210948)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] char_type(i, end_of_line)
   Call: (233) [system] i=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _214662)
   Call: (234) [system] get_char((0x56051b6b4f40), _215592)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] char_type(o, end_of_line)
   Call: (234) [system] o=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _219306)
   Call: (235) [system] get_char((0x56051b6b4f40), _220236)
   Exit: (235) [system] get_char((0x56051b6b4f40), m)
   Call: (235) [system] char_type(m, end_of_line)
   Call: (235) [system] m=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _223950)
   Call: (236) [system] get_char((0x56051b6b4f40), _224880)
   Exit: (236) [system] get_char((0x56051b6b4f40), '\n')
   Call: (236) [system] char_type('\n', end_of_line)
   Exit: (236) [system] char_type('\n', end_of_line)
   Call: (236) [system] _223950=""
   Exit: (236) [system] ""=""
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (235) [system] string_concat(m, "", _219306)
   Exit: (235) [system] string_concat(m, "", "m")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "m")
   Call: (234) [system] string_concat(o, "m", _214662)
   Exit: (234) [system] string_concat(o, "m", "om")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "om")
   Call: (233) [system] string_concat(i, "om", _210018)
   Exit: (233) [system] string_concat(i, "om", "iom")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "iom")
   Call: (232) [system] string_concat(x, "iom", _205374)
   Exit: (232) [system] string_concat(x, "iom", "xiom")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "xiom")
   Call: (231) [system] string_concat(a, "xiom", _200730)
   Exit: (231) [system] string_concat(a, "xiom", "axiom")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "axiom")
   Call: (230) [system] string_concat(' ', "axiom", _196086)
   Exit: (230) [system] string_concat(' ', "axiom", " axiom")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), " axiom")
   Call: (229) [system] string_concat(o, " axiom", _191442)
   Exit: (229) [system] string_concat(o, " axiom", "o axiom")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "o axiom")
   Call: (228) [system] string_concat(t, "o axiom", _186798)
   Exit: (228) [system] string_concat(t, "o axiom", "to axiom")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "to axiom")
   Call: (227) [system] string_concat(' ', "to axiom", _182154)
   Exit: (227) [system] string_concat(' ', "to axiom", " to axiom")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), " to axiom")
   Call: (226) [system] string_concat(n, " to axiom", _177510)
   Exit: (226) [system] string_concat(n, " to axiom", "n to axiom")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "n to axiom")
   Call: (225) [system] string_concat(o, "n to axiom", _172866)
   Exit: (225) [system] string_concat(o, "n to axiom", "on to axiom")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "on to axiom")
   Call: (224) [system] string_concat(i, "on to axiom", _168222)
   Exit: (224) [system] string_concat(i, "on to axiom", "ion to axiom")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "ion to axiom")
   Call: (223) [system] string_concat(t, "ion to axiom", _163578)
   Exit: (223) [system] string_concat(t, "ion to axiom", "tion to axiom")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "tion to axiom")
   Call: (222) [system] string_concat(c, "tion to axiom", _158934)
   Exit: (222) [system] string_concat(c, "tion to axiom", "ction to axiom")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "ction to axiom")
   Call: (221) [system] string_concat(n, "ction to axiom", _154290)
   Exit: (221) [system] string_concat(n, "ction to axiom", "nction to axiom")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "nction to axiom")
   Call: (220) [system] string_concat(u, "nction to axiom", _149646)
   Exit: (220) [system] string_concat(u, "nction to axiom", "unction to axiom")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "unction to axiom")
   Call: (219) [system] string_concat(f, "unction to axiom", _145002)
   Exit: (219) [system] string_concat(f, "unction to axiom", "function to axiom")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "function to axiom")
   Call: (218) [system] string_concat(' ', "function to axiom", _140358)
   Exit: (218) [system] string_concat(' ', "function to axiom", " function to axiom")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), " function to axiom")
   Call: (217) [system] string_concat(y, " function to axiom", _135714)
   Exit: (217) [system] string_concat(y, " function to axiom", "y function to axiom")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "y function to axiom")
   Call: (216) [system] string_concat(r, "y function to axiom", _131070)
   Exit: (216) [system] string_concat(r, "y function to axiom", "ry function to axiom")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "ry function to axiom")
   Call: (215) [system] string_concat(a, "ry function to axiom", _126426)
   Exit: (215) [system] string_concat(a, "ry function to axiom", "ary function to axiom")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "ary function to axiom")
   Call: (214) [system] string_concat(l, "ary function to axiom", _121782)
   Exit: (214) [system] string_concat(l, "ary function to axiom", "lary function to axiom")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "lary function to axiom")
   Call: (213) [system] string_concat(l, "lary function to axiom", _117138)
   Exit: (213) [system] string_concat(l, "lary function to axiom", "llary function to axiom")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "llary function to axiom")
   Call: (212) [system] string_concat(u, "llary function to axiom", _112494)
   Exit: (212) [system] string_concat(u, "llary function to axiom", "ullary function to axiom")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "ullary function to axiom")
   Call: (211) [system] string_concat(n, "ullary function to axiom", _107850)
   Exit: (211) [system] string_concat(n, "ullary function to axiom", "nullary function to axiom")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "nullary function to axiom")
   Call: (210) [system] string_concat(' ', "nullary function to axiom", _103206)
   Exit: (210) [system] string_concat(' ', "nullary function to axiom", " nullary function to axiom")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), " nullary function to axiom")
   Call: (209) [system] string_concat(a, " nullary function to axiom", _98562)
   Exit: (209) [system] string_concat(a, " nullary function to axiom", "a nullary function to axiom")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "a nullary function to axiom")
   Call: (208) [system] string_concat(' ', "a nullary function to axiom", _93918)
   Exit: (208) [system] string_concat(' ', "a nullary function to axiom", " a nullary function to axiom")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), " a nullary function to axiom")
   Call: (207) [system] string_concat(:, " a nullary function to axiom", _89274)
   Exit: (207) [system] string_concat(:, " a nullary function to axiom", ": a nullary function to axiom")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), ": a nullary function to axiom")
   Call: (206) [system] string_concat(b, ": a nullary function to axiom", _84630)
   Exit: (206) [system] string_concat(b, ": a nullary function to axiom", "b: a nullary function to axiom")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "b: a nullary function to axiom")
   Call: (205) [system] string_concat(k, "b: a nullary function to axiom", _79986)
   Exit: (205) [system] string_concat(k, "b: a nullary function to axiom", "kb: a nullary function to axiom")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "kb: a nullary function to axiom")
   Call: (204) [system] string_concat($, "kb: a nullary function to axiom", _75342)
   Exit: (204) [system] string_concat($, "kb: a nullary function to axiom", "$kb: a nullary function to axiom")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "$kb: a nullary function to axiom")
   Call: (203) [system] string_concat(' ', "$kb: a nullary function to axiom", _70698)
   Exit: (203) [system] string_concat(' ', "$kb: a nullary function to axiom", " $kb: a nullary function to axiom")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), " $kb: a nullary function to axiom")
   Call: (202) [system] string_concat(;, " $kb: a nullary function to axiom", _66054)
   Exit: (202) [system] string_concat(;, " $kb: a nullary function to axiom", "; $kb: a nullary function to axiom")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "; $kb: a nullary function to axiom")
   Call: (201) [system] string_concat(;, "; $kb: a nullary function to axiom", _61410)
   Exit: (201) [system] string_concat(;, "; $kb: a nullary function to axiom", ";; $kb: a nullary function to axiom")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), ";; $kb: a nullary function to axiom")
^  Call: (200) [user] assertz(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Exit: (200) [user] assertz(metta_file_comment(34, 0, 1024, '$COMMENT'(";; $kb: a nullary function to axiom", 34, 0), '$stream_position'(1024, 34, 0, 1024)))
^  Exit: (199) [user] read_comment((0x56051b6b4f40))
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _333178)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ;)
   Call: (200) [system] (;)=(;)
   Exit: (200) [system] (;)=(;)
^  Call: (200) [user] read_comment((0x56051b6b4f40))
^  Call: (201) [user] read_position((0x56051b6b4f40), _337816, _337818, _337820, _337822)
   Call: (202) [system] stream_property((0x56051b6b4f40), position(_337822))
   Call: (203) [system] nonvar((0x56051b6b4f40))
   Exit: (203) [system] nonvar((0x56051b6b4f40))
   Call: (203) [system] nonvar(position(_337822))
   Exit: (203) [system] nonvar(position(_337822))
   Exit: (202) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1060, 35, 0, 1060)))
   Call: (202) [$syspreds] stream_position_data(line_count, '$stream_position'(1060, 35, 0, 1060), _337816)
   Call: (203) [system] nonvar(line_count)
   Exit: (203) [system] nonvar(line_count)
   Call: (203) [$syspreds] stream_position_field(line_count, _347110)
   Exit: (203) [$syspreds] stream_position_field(line_count, 2)
   Call: (203) [system] arg(2, '$stream_position'(1060, 35, 0, 1060), _337816)
   Exit: (203) [system] arg(2, '$stream_position'(1060, 35, 0, 1060), 35)
   Exit: (202) [$syspreds] stream_position_data(line_count, '$stream_position'(1060, 35, 0, 1060), 35)
   Call: (202) [$syspreds] stream_position_data(line_position, '$stream_position'(1060, 35, 0, 1060), _337818)
   Call: (203) [system] nonvar(line_position)
   Exit: (203) [system] nonvar(line_position)
   Call: (203) [$syspreds] stream_position_field(line_position, _354544)
   Exit: (203) [$syspreds] stream_position_field(line_position, 3)
   Call: (203) [system] arg(3, '$stream_position'(1060, 35, 0, 1060), _337818)
   Exit: (203) [system] arg(3, '$stream_position'(1060, 35, 0, 1060), 0)
   Exit: (202) [$syspreds] stream_position_data(line_position, '$stream_position'(1060, 35, 0, 1060), 0)
   Call: (202) [$syspreds] stream_position_data(char_count, '$stream_position'(1060, 35, 0, 1060), _337820)
   Call: (203) [system] nonvar(char_count)
   Exit: (203) [system] nonvar(char_count)
   Call: (203) [$syspreds] stream_position_field(char_count, _361978)
   Exit: (203) [$syspreds] stream_position_field(char_count, 1)
   Call: (203) [system] arg(1, '$stream_position'(1060, 35, 0, 1060), _337820)
   Exit: (203) [system] arg(1, '$stream_position'(1060, 35, 0, 1060), 1060)
   Exit: (202) [$syspreds] stream_position_data(char_count, '$stream_position'(1060, 35, 0, 1060), 1060)
^  Exit: (201) [user] read_position((0x56051b6b4f40), 35, 0, 1060, '$stream_position'(1060, 35, 0, 1060))
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _367572)
   Call: (202) [system] get_char((0x56051b6b4f40), _368502)
   Exit: (202) [system] get_char((0x56051b6b4f40), ;)
   Call: (202) [system] char_type(;, end_of_line)
   Call: (202) [system] (;)=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _372216)
   Call: (203) [system] get_char((0x56051b6b4f40), _373146)
   Exit: (203) [system] get_char((0x56051b6b4f40), ;)
   Call: (203) [system] char_type(;, end_of_line)
   Call: (203) [system] (;)=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _376860)
   Call: (204) [system] get_char((0x56051b6b4f40), _377790)
   Exit: (204) [system] get_char((0x56051b6b4f40), '\t')
   Call: (204) [system] char_type('\t', end_of_line)
   Call: (204) [system] '\t'=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _381504)
   Call: (205) [system] get_char((0x56051b6b4f40), _382434)
   Exit: (205) [system] get_char((0x56051b6b4f40), '\t')
   Call: (205) [system] char_type('\t', end_of_line)
   Call: (205) [system] '\t'=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _386148)
   Call: (206) [system] get_char((0x56051b6b4f40), _387078)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _390792)
   Call: (207) [system] get_char((0x56051b6b4f40), _391722)
   Exit: (207) [system] get_char((0x56051b6b4f40), t)
   Call: (207) [system] char_type(t, end_of_line)
   Call: (207) [system] t=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _395436)
   Call: (208) [system] get_char((0x56051b6b4f40), _396366)
   Exit: (208) [system] get_char((0x56051b6b4f40), o)
   Call: (208) [system] char_type(o, end_of_line)
   Call: (208) [system] o=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _400080)
   Call: (209) [system] get_char((0x56051b6b4f40), _401010)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _404724)
   Call: (210) [system] get_char((0x56051b6b4f40), _405654)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] char_type(n, end_of_line)
   Call: (210) [system] n=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _409368)
   Call: (211) [system] get_char((0x56051b6b4f40), _410298)
   Exit: (211) [system] get_char((0x56051b6b4f40), o)
   Call: (211) [system] char_type(o, end_of_line)
   Call: (211) [system] o=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _414012)
   Call: (212) [system] get_char((0x56051b6b4f40), _414942)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] char_type(n, end_of_line)
   Call: (212) [system] n=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _418656)
   Call: (213) [system] get_char((0x56051b6b4f40), _419586)
   Exit: (213) [system] get_char((0x56051b6b4f40), -)
   Call: (213) [system] char_type(-, end_of_line)
   Call: (213) [system] (-)=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _423300)
   Call: (214) [system] get_char((0x56051b6b4f40), _424230)
   Exit: (214) [system] get_char((0x56051b6b4f40), d)
   Call: (214) [system] char_type(d, end_of_line)
   Call: (214) [system] d=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _427944)
   Call: (215) [system] get_char((0x56051b6b4f40), _428874)
   Exit: (215) [system] get_char((0x56051b6b4f40), e)
   Call: (215) [system] char_type(e, end_of_line)
   Call: (215) [system] e=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _432588)
   Call: (216) [system] get_char((0x56051b6b4f40), _433518)
   Exit: (216) [system] get_char((0x56051b6b4f40), t)
   Call: (216) [system] char_type(t, end_of_line)
   Call: (216) [system] t=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _437232)
   Call: (217) [system] get_char((0x56051b6b4f40), _438162)
   Exit: (217) [system] get_char((0x56051b6b4f40), e)
   Call: (217) [system] char_type(e, end_of_line)
   Call: (217) [system] e=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _441876)
   Call: (218) [system] get_char((0x56051b6b4f40), _442806)
   Exit: (218) [system] get_char((0x56051b6b4f40), r)
   Call: (218) [system] char_type(r, end_of_line)
   Call: (218) [system] r=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _446520)
   Call: (219) [system] get_char((0x56051b6b4f40), _447450)
   Exit: (219) [system] get_char((0x56051b6b4f40), m)
   Call: (219) [system] char_type(m, end_of_line)
   Call: (219) [system] m=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _451164)
   Call: (220) [system] get_char((0x56051b6b4f40), _452094)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] char_type(i, end_of_line)
   Call: (220) [system] i=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _455808)
   Call: (221) [system] get_char((0x56051b6b4f40), _456738)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] char_type(n, end_of_line)
   Call: (221) [system] n=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _460452)
   Call: (222) [system] get_char((0x56051b6b4f40), _461382)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] char_type(i, end_of_line)
   Call: (222) [system] i=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _465096)
   Call: (223) [system] get_char((0x56051b6b4f40), _466026)
   Exit: (223) [system] get_char((0x56051b6b4f40), s)
   Call: (223) [system] char_type(s, end_of_line)
   Call: (223) [system] s=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _469740)
   Call: (224) [system] get_char((0x56051b6b4f40), _470670)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] char_type(t, end_of_line)
   Call: (224) [system] t=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _474384)
   Call: (225) [system] get_char((0x56051b6b4f40), _475314)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] char_type(i, end_of_line)
   Call: (225) [system] i=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _479028)
   Call: (226) [system] get_char((0x56051b6b4f40), _479958)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] char_type(c, end_of_line)
   Call: (226) [system] c=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _483672)
   Call: (227) [system] get_char((0x56051b6b4f40), _484602)
   Exit: (227) [system] get_char((0x56051b6b4f40), a)
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] a=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _488316)
   Call: (228) [system] get_char((0x56051b6b4f40), _489246)
   Exit: (228) [system] get_char((0x56051b6b4f40), l)
   Call: (228) [system] char_type(l, end_of_line)
   Call: (228) [system] l=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _492960)
   Call: (229) [system] get_char((0x56051b6b4f40), _493890)
   Exit: (229) [system] get_char((0x56051b6b4f40), l)
   Call: (229) [system] char_type(l, end_of_line)
   Call: (229) [system] l=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _497604)
   Call: (230) [system] get_char((0x56051b6b4f40), _498534)
   Exit: (230) [system] get_char((0x56051b6b4f40), y)
   Call: (230) [system] char_type(y, end_of_line)
   Call: (230) [system] y=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _502248)
   Call: (231) [system] get_char((0x56051b6b4f40), _503178)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _506892)
   Call: (232) [system] get_char((0x56051b6b4f40), _507822)
   Exit: (232) [system] get_char((0x56051b6b4f40), p)
   Call: (232) [system] char_type(p, end_of_line)
   Call: (232) [system] p=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _511536)
   Call: (233) [system] get_char((0x56051b6b4f40), _512466)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] char_type(i, end_of_line)
   Call: (233) [system] i=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _516180)
   Call: (234) [system] get_char((0x56051b6b4f40), _517110)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] char_type(c, end_of_line)
   Call: (234) [system] c=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _520824)
   Call: (235) [system] get_char((0x56051b6b4f40), _521754)
   Exit: (235) [system] get_char((0x56051b6b4f40), k)
   Call: (235) [system] char_type(k, end_of_line)
   Call: (235) [system] k=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _525468)
   Call: (236) [system] get_char((0x56051b6b4f40), _526398)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
   Call: (236) [system] char_type(' ', end_of_line)
   Call: (236) [system] ' '=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _530112)
   Call: (237) [system] get_char((0x56051b6b4f40), _531042)
   Exit: (237) [system] get_char((0x56051b6b4f40), u)
   Call: (237) [system] char_type(u, end_of_line)
   Call: (237) [system] u=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _534756)
   Call: (238) [system] get_char((0x56051b6b4f40), _535686)
   Exit: (238) [system] get_char((0x56051b6b4f40), p)
   Call: (238) [system] char_type(p, end_of_line)
   Call: (238) [system] p=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _539400)
   Call: (239) [system] get_char((0x56051b6b4f40), _540330)
   Exit: (239) [system] get_char((0x56051b6b4f40), '\n')
   Call: (239) [system] char_type('\n', end_of_line)
   Exit: (239) [system] char_type('\n', end_of_line)
   Call: (239) [system] _539400=""
   Exit: (239) [system] ""=""
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (238) [system] string_concat(p, "", _534756)
   Exit: (238) [system] string_concat(p, "", "p")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "p")
   Call: (237) [system] string_concat(u, "p", _530112)
   Exit: (237) [system] string_concat(u, "p", "up")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "up")
   Call: (236) [system] string_concat(' ', "up", _525468)
   Exit: (236) [system] string_concat(' ', "up", " up")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), " up")
   Call: (235) [system] string_concat(k, " up", _520824)
   Exit: (235) [system] string_concat(k, " up", "k up")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "k up")
   Call: (234) [system] string_concat(c, "k up", _516180)
   Exit: (234) [system] string_concat(c, "k up", "ck up")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "ck up")
   Call: (233) [system] string_concat(i, "ck up", _511536)
   Exit: (233) [system] string_concat(i, "ck up", "ick up")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "ick up")
   Call: (232) [system] string_concat(p, "ick up", _506892)
   Exit: (232) [system] string_concat(p, "ick up", "pick up")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "pick up")
   Call: (231) [system] string_concat(' ', "pick up", _502248)
   Exit: (231) [system] string_concat(' ', "pick up", " pick up")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), " pick up")
   Call: (230) [system] string_concat(y, " pick up", _497604)
   Exit: (230) [system] string_concat(y, " pick up", "y pick up")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "y pick up")
   Call: (229) [system] string_concat(l, "y pick up", _492960)
   Exit: (229) [system] string_concat(l, "y pick up", "ly pick up")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "ly pick up")
   Call: (228) [system] string_concat(l, "ly pick up", _488316)
   Exit: (228) [system] string_concat(l, "ly pick up", "lly pick up")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "lly pick up")
   Call: (227) [system] string_concat(a, "lly pick up", _483672)
   Exit: (227) [system] string_concat(a, "lly pick up", "ally pick up")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "ally pick up")
   Call: (226) [system] string_concat(c, "ally pick up", _479028)
   Exit: (226) [system] string_concat(c, "ally pick up", "cally pick up")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "cally pick up")
   Call: (225) [system] string_concat(i, "cally pick up", _474384)
   Exit: (225) [system] string_concat(i, "cally pick up", "ically pick up")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "ically pick up")
   Call: (224) [system] string_concat(t, "ically pick up", _469740)
   Exit: (224) [system] string_concat(t, "ically pick up", "tically pick up")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "tically pick up")
   Call: (223) [system] string_concat(s, "tically pick up", _465096)
   Exit: (223) [system] string_concat(s, "tically pick up", "stically pick up")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "stically pick up")
   Call: (222) [system] string_concat(i, "stically pick up", _460452)
   Exit: (222) [system] string_concat(i, "stically pick up", "istically pick up")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "istically pick up")
   Call: (221) [system] string_concat(n, "istically pick up", _455808)
   Exit: (221) [system] string_concat(n, "istically pick up", "nistically pick up")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "nistically pick up")
   Call: (220) [system] string_concat(i, "nistically pick up", _451164)
   Exit: (220) [system] string_concat(i, "nistically pick up", "inistically pick up")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "inistically pick up")
   Call: (219) [system] string_concat(m, "inistically pick up", _446520)
   Exit: (219) [system] string_concat(m, "inistically pick up", "ministically pick up")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "ministically pick up")
   Call: (218) [system] string_concat(r, "ministically pick up", _441876)
   Exit: (218) [system] string_concat(r, "ministically pick up", "rministically pick up")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "rministically pick up")
   Call: (217) [system] string_concat(e, "rministically pick up", _437232)
   Exit: (217) [system] string_concat(e, "rministically pick up", "erministically pick up")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "erministically pick up")
   Call: (216) [system] string_concat(t, "erministically pick up", _432588)
   Exit: (216) [system] string_concat(t, "erministically pick up", "terministically pick up")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "terministically pick up")
   Call: (215) [system] string_concat(e, "terministically pick up", _427944)
   Exit: (215) [system] string_concat(e, "terministically pick up", "eterministically pick up")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "eterministically pick up")
   Call: (214) [system] string_concat(d, "eterministically pick up", _423300)
   Exit: (214) [system] string_concat(d, "eterministically pick up", "deterministically pick up")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "deterministically pick up")
   Call: (213) [system] string_concat(-, "deterministically pick up", _418656)
   Exit: (213) [system] string_concat(-, "deterministically pick up", "-deterministically pick up")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "-deterministically pick up")
   Call: (212) [system] string_concat(n, "-deterministically pick up", _414012)
   Exit: (212) [system] string_concat(n, "-deterministically pick up", "n-deterministically pick up")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "n-deterministically pick up")
   Call: (211) [system] string_concat(o, "n-deterministically pick up", _409368)
   Exit: (211) [system] string_concat(o, "n-deterministically pick up", "on-deterministically pick up")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "on-deterministically pick up")
   Call: (210) [system] string_concat(n, "on-deterministically pick up", _404724)
   Exit: (210) [system] string_concat(n, "on-deterministically pick up", "non-deterministically pick up")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "non-deterministically pick up")
   Call: (209) [system] string_concat(' ', "non-deterministically pick up", _400080)
   Exit: (209) [system] string_concat(' ', "non-deterministically pick up", " non-deterministically pick up")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), " non-deterministically pick up")
   Call: (208) [system] string_concat(o, " non-deterministically pick up", _395436)
   Exit: (208) [system] string_concat(o, " non-deterministically pick up", "o non-deterministically pick up")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "o non-deterministically pick up")
   Call: (207) [system] string_concat(t, "o non-deterministically pick up", _390792)
   Exit: (207) [system] string_concat(t, "o non-deterministically pick up", "to non-deterministically pick up")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "to non-deterministically pick up")
   Call: (206) [system] string_concat(' ', "to non-deterministically pick up", _386148)
   Exit: (206) [system] string_concat(' ', "to non-deterministically pick up", " to non-deterministically pick up")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), " to non-deterministically pick up")
   Call: (205) [system] string_concat('\t', " to non-deterministically pick up", _381504)
   Exit: (205) [system] string_concat('\t', " to non-deterministically pick up", "\t to non-deterministically pick up")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "\t to non-deterministically pick up")
   Call: (204) [system] string_concat('\t', "\t to non-deterministically pick up", _376860)
   Exit: (204) [system] string_concat('\t', "\t to non-deterministically pick up", "\t\t to non-deterministically pick up")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "\t\t to non-deterministically pick up")
   Call: (203) [system] string_concat(;, "\t\t to non-deterministically pick up", _372216)
   Exit: (203) [system] string_concat(;, "\t\t to non-deterministically pick up", ";\t\t to non-deterministically pick up")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), ";\t\t to non-deterministically pick up")
   Call: (202) [system] string_concat(;, ";\t\t to non-deterministically pick up", _367572)
   Exit: (202) [system] string_concat(;, ";\t\t to non-deterministically pick up", ";;\t\t to non-deterministically pick up")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), ";;\t\t to non-deterministically pick up")
^  Call: (201) [user] assertz(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Exit: (201) [user] assertz(metta_file_comment(35, 0, 1060, '$COMMENT'(";;\t\t to non-deterministically pick up", 35, 0), '$stream_position'(1060, 35, 0, 1060)))
^  Exit: (200) [user] read_comment((0x56051b6b4f40))
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _654240)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ;)
   Call: (201) [system] (;)=(;)
   Exit: (201) [system] (;)=(;)
^  Call: (201) [user] read_comment((0x56051b6b4f40))
^  Call: (202) [user] read_position((0x56051b6b4f40), _658878, _658880, _658882, _658884)
   Call: (203) [system] stream_property((0x56051b6b4f40), position(_658884))
   Call: (204) [system] nonvar((0x56051b6b4f40))
   Exit: (204) [system] nonvar((0x56051b6b4f40))
   Call: (204) [system] nonvar(position(_658884))
   Exit: (204) [system] nonvar(position(_658884))
   Exit: (203) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1098, 36, 0, 1098)))
   Call: (203) [$syspreds] stream_position_data(line_count, '$stream_position'(1098, 36, 0, 1098), _658878)
   Call: (204) [system] nonvar(line_count)
   Exit: (204) [system] nonvar(line_count)
   Call: (204) [$syspreds] stream_position_field(line_count, _668172)
   Exit: (204) [$syspreds] stream_position_field(line_count, 2)
   Call: (204) [system] arg(2, '$stream_position'(1098, 36, 0, 1098), _658878)
   Exit: (204) [system] arg(2, '$stream_position'(1098, 36, 0, 1098), 36)
   Exit: (203) [$syspreds] stream_position_data(line_count, '$stream_position'(1098, 36, 0, 1098), 36)
   Call: (203) [$syspreds] stream_position_data(line_position, '$stream_position'(1098, 36, 0, 1098), _658880)
   Call: (204) [system] nonvar(line_position)
   Exit: (204) [system] nonvar(line_position)
   Call: (204) [$syspreds] stream_position_field(line_position, _675606)
   Exit: (204) [$syspreds] stream_position_field(line_position, 3)
   Call: (204) [system] arg(3, '$stream_position'(1098, 36, 0, 1098), _658880)
   Exit: (204) [system] arg(3, '$stream_position'(1098, 36, 0, 1098), 0)
   Exit: (203) [$syspreds] stream_position_data(line_position, '$stream_position'(1098, 36, 0, 1098), 0)
   Call: (203) [$syspreds] stream_position_data(char_count, '$stream_position'(1098, 36, 0, 1098), _658882)
   Call: (204) [system] nonvar(char_count)
   Exit: (204) [system] nonvar(char_count)
   Call: (204) [$syspreds] stream_position_field(char_count, _683040)
   Exit: (204) [$syspreds] stream_position_field(char_count, 1)
   Call: (204) [system] arg(1, '$stream_position'(1098, 36, 0, 1098), _658882)
   Exit: (204) [system] arg(1, '$stream_position'(1098, 36, 0, 1098), 1098)
   Exit: (203) [$syspreds] stream_position_data(char_count, '$stream_position'(1098, 36, 0, 1098), 1098)
^  Exit: (202) [user] read_position((0x56051b6b4f40), 36, 0, 1098, '$stream_position'(1098, 36, 0, 1098))
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _688634)
   Call: (203) [system] get_char((0x56051b6b4f40), _689564)
   Exit: (203) [system] get_char((0x56051b6b4f40), ;)
   Call: (203) [system] char_type(;, end_of_line)
   Call: (203) [system] (;)=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _693278)
   Call: (204) [system] get_char((0x56051b6b4f40), _694208)
   Exit: (204) [system] get_char((0x56051b6b4f40), ;)
   Call: (204) [system] char_type(;, end_of_line)
   Call: (204) [system] (;)=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _697922)
   Call: (205) [system] get_char((0x56051b6b4f40), _698852)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
   Call: (205) [system] char_type(' ', end_of_line)
   Call: (205) [system] ' '=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _702566)
   Call: (206) [system] get_char((0x56051b6b4f40), _703496)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
   Call: (206) [system] char_type(' ', end_of_line)
   Call: (206) [system] ' '=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _707210)
   Call: (207) [system] get_char((0x56051b6b4f40), _708140)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _711854)
   Call: (208) [system] get_char((0x56051b6b4f40), _712784)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _716498)
   Call: (209) [system] get_char((0x56051b6b4f40), _717428)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _721142)
   Call: (210) [system] get_char((0x56051b6b4f40), _722072)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _725786)
   Call: (211) [system] get_char((0x56051b6b4f40), _726716)
   Exit: (211) [system] get_char((0x56051b6b4f40), a)
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] a=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _730430)
   Call: (212) [system] get_char((0x56051b6b4f40), _731360)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] char_type(n, end_of_line)
   Call: (212) [system] n=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _735074)
   Call: (213) [system] get_char((0x56051b6b4f40), _736004)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _739718)
   Call: (214) [system] get_char((0x56051b6b4f40), _740648)
   Exit: (214) [system] get_char((0x56051b6b4f40), a)
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _744362)
   Call: (215) [system] get_char((0x56051b6b4f40), _745292)
   Exit: (215) [system] get_char((0x56051b6b4f40), x)
   Call: (215) [system] char_type(x, end_of_line)
   Call: (215) [system] x=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _749006)
   Call: (216) [system] get_char((0x56051b6b4f40), _749936)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] char_type(i, end_of_line)
   Call: (216) [system] i=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _753650)
   Call: (217) [system] get_char((0x56051b6b4f40), _754580)
   Exit: (217) [system] get_char((0x56051b6b4f40), o)
   Call: (217) [system] char_type(o, end_of_line)
   Call: (217) [system] o=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _758294)
   Call: (218) [system] get_char((0x56051b6b4f40), _759224)
   Exit: (218) [system] get_char((0x56051b6b4f40), m)
   Call: (218) [system] char_type(m, end_of_line)
   Call: (218) [system] m=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _762938)
   Call: (219) [system] get_char((0x56051b6b4f40), _763868)
   Exit: (219) [system] get_char((0x56051b6b4f40), '.')
   Call: (219) [system] char_type('.', end_of_line)
   Call: (219) [system] ('.')=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _767582)
   Call: (220) [system] get_char((0x56051b6b4f40), _768512)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
   Call: (220) [system] char_type(' ', end_of_line)
   Call: (220) [system] ' '=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _772226)
   Call: (221) [system] get_char((0x56051b6b4f40), _773156)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
   Call: (221) [system] char_type(' ', end_of_line)
   Call: (221) [system] ' '=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _776870)
   Call: (222) [system] get_char((0x56051b6b4f40), _777800)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'A')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _781514)
   Call: (223) [system] get_char((0x56051b6b4f40), _782444)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] char_type(n, end_of_line)
   Call: (223) [system] n=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _786158)
   Call: (224) [system] get_char((0x56051b6b4f40), _787088)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
   Call: (224) [system] char_type(' ', end_of_line)
   Call: (224) [system] ' '=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _790802)
   Call: (225) [system] get_char((0x56051b6b4f40), _791732)
   Exit: (225) [system] get_char((0x56051b6b4f40), a)
   Call: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _795446)
   Call: (226) [system] get_char((0x56051b6b4f40), _796376)
   Exit: (226) [system] get_char((0x56051b6b4f40), x)
   Call: (226) [system] char_type(x, end_of_line)
   Call: (226) [system] x=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _800090)
   Call: (227) [system] get_char((0x56051b6b4f40), _801020)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] char_type(i, end_of_line)
   Call: (227) [system] i=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _804734)
   Call: (228) [system] get_char((0x56051b6b4f40), _805664)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] char_type(o, end_of_line)
   Call: (228) [system] o=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _809378)
   Call: (229) [system] get_char((0x56051b6b4f40), _810308)
   Exit: (229) [system] get_char((0x56051b6b4f40), m)
   Call: (229) [system] char_type(m, end_of_line)
   Call: (229) [system] m=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _814022)
   Call: (230) [system] get_char((0x56051b6b4f40), _814952)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _818666)
   Call: (231) [system] get_char((0x56051b6b4f40), _819596)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] char_type(i, end_of_line)
   Call: (231) [system] i=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _823310)
   Call: (232) [system] get_char((0x56051b6b4f40), _824240)
   Exit: (232) [system] get_char((0x56051b6b4f40), s)
   Call: (232) [system] char_type(s, end_of_line)
   Call: (232) [system] s=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _827954)
   Call: (233) [system] get_char((0x56051b6b4f40), _828884)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
   Call: (233) [system] char_type(' ', end_of_line)
   Call: (233) [system] ' '=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _832598)
   Call: (234) [system] get_char((0x56051b6b4f40), _833528)
   Exit: (234) [system] get_char((0x56051b6b4f40), a)
   Call: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] a=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _837242)
   Call: (235) [system] get_char((0x56051b6b4f40), _838172)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] char_type(n, end_of_line)
   Call: (235) [system] n=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _841886)
   Call: (236) [system] get_char((0x56051b6b4f40), _842816)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
   Call: (236) [system] char_type(' ', end_of_line)
   Call: (236) [system] ' '=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _846530)
   Call: (237) [system] get_char((0x56051b6b4f40), _847460)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'A')
   Call: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] 'A'=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _851174)
   Call: (238) [system] get_char((0x56051b6b4f40), _852104)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] char_type(t, end_of_line)
   Call: (238) [system] t=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _855818)
   Call: (239) [system] get_char((0x56051b6b4f40), _856748)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] char_type(o, end_of_line)
   Call: (239) [system] o=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _860462)
   Call: (240) [system] get_char((0x56051b6b4f40), _861392)
   Exit: (240) [system] get_char((0x56051b6b4f40), m)
   Call: (240) [system] char_type(m, end_of_line)
   Call: (240) [system] m=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _865106)
   Call: (241) [system] get_char((0x56051b6b4f40), _866036)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
   Call: (241) [system] char_type(' ', end_of_line)
   Call: (241) [system] ' '=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _869750)
   Call: (242) [system] get_char((0x56051b6b4f40), _870680)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] char_type(o, end_of_line)
   Call: (242) [system] o=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _874394)
   Call: (243) [system] get_char((0x56051b6b4f40), _875324)
   Exit: (243) [system] get_char((0x56051b6b4f40), f)
   Call: (243) [system] char_type(f, end_of_line)
   Call: (243) [system] f=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _879038)
   Call: (244) [system] get_char((0x56051b6b4f40), _879968)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
   Call: (244) [system] char_type(' ', end_of_line)
   Call: (244) [system] ' '=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _883682)
   Call: (245) [system] get_char((0x56051b6b4f40), _884612)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] char_type(t, end_of_line)
   Call: (245) [system] t=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _888326)
   Call: (246) [system] get_char((0x56051b6b4f40), _889256)
   Exit: (246) [system] get_char((0x56051b6b4f40), h)
   Call: (246) [system] char_type(h, end_of_line)
   Call: (246) [system] h=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _892970)
   Call: (247) [system] get_char((0x56051b6b4f40), _893900)
   Exit: (247) [system] get_char((0x56051b6b4f40), e)
   Call: (247) [system] char_type(e, end_of_line)
   Call: (247) [system] e=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _897614)
   Call: (248) [system] get_char((0x56051b6b4f40), _898544)
   Exit: (248) [system] get_char((0x56051b6b4f40), ' ')
   Call: (248) [system] char_type(' ', end_of_line)
   Call: (248) [system] ' '=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _902258)
   Call: (249) [system] get_char((0x56051b6b4f40), _903188)
   Exit: (249) [system] get_char((0x56051b6b4f40), f)
   Call: (249) [system] char_type(f, end_of_line)
   Call: (249) [system] f=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _906902)
   Call: (250) [system] get_char((0x56051b6b4f40), _907832)
   Exit: (250) [system] get_char((0x56051b6b4f40), o)
   Call: (250) [system] char_type(o, end_of_line)
   Call: (250) [system] o=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _911546)
   Call: (251) [system] get_char((0x56051b6b4f40), _912476)
   Exit: (251) [system] get_char((0x56051b6b4f40), r)
   Call: (251) [system] char_type(r, end_of_line)
   Call: (251) [system] r=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _916190)
   Call: (252) [system] get_char((0x56051b6b4f40), _917120)
   Exit: (252) [system] get_char((0x56051b6b4f40), m)
   Call: (252) [system] char_type(m, end_of_line)
   Call: (252) [system] m=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _920834)
   Call: (253) [system] get_char((0x56051b6b4f40), _921764)
   Exit: (253) [system] get_char((0x56051b6b4f40), ' ')
   Call: (253) [system] char_type(' ', end_of_line)
   Call: (253) [system] ' '=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _925478)
   Call: (254) [system] get_char((0x56051b6b4f40), _926408)
   Exit: (254) [system] get_char((0x56051b6b4f40), '(')
   Call: (254) [system] char_type('(', end_of_line)
   Call: (254) [system] '('=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _930122)
   Call: (255) [system] get_char((0x56051b6b4f40), _931052)
   Exit: (255) [system] get_char((0x56051b6b4f40), :)
   Call: (255) [system] char_type(:, end_of_line)
   Call: (255) [system] (:)=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _934766)
   Call: (256) [system] get_char((0x56051b6b4f40), _935696)
   Exit: (256) [system] get_char((0x56051b6b4f40), ' ')
   Call: (256) [system] char_type(' ', end_of_line)
   Call: (256) [system] ' '=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _939410)
   Call: (257) [system] get_char((0x56051b6b4f40), _940340)
   Exit: (257) [system] get_char((0x56051b6b4f40), 'T')
   Call: (257) [system] char_type('T', end_of_line)
   Call: (257) [system] 'T'=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _944054)
   Call: (258) [system] get_char((0x56051b6b4f40), _944984)
   Exit: (258) [system] get_char((0x56051b6b4f40), 'E')
   Call: (258) [system] char_type('E', end_of_line)
   Call: (258) [system] 'E'=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _948698)
   Call: (259) [system] get_char((0x56051b6b4f40), _949628)
   Exit: (259) [system] get_char((0x56051b6b4f40), 'R')
   Call: (259) [system] char_type('R', end_of_line)
   Call: (259) [system] 'R'=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _953342)
   Call: (260) [system] get_char((0x56051b6b4f40), _954272)
   Exit: (260) [system] get_char((0x56051b6b4f40), 'M')
   Call: (260) [system] char_type('M', end_of_line)
   Call: (260) [system] 'M'=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _957986)
   Call: (261) [system] get_char((0x56051b6b4f40), _958916)
   Exit: (261) [system] get_char((0x56051b6b4f40), ' ')
   Call: (261) [system] char_type(' ', end_of_line)
   Call: (261) [system] ' '=end_of_file
^  Call: (261) [user] read_until_eol((0x56051b6b4f40), _962630)
   Call: (262) [system] get_char((0x56051b6b4f40), _963560)
   Exit: (262) [system] get_char((0x56051b6b4f40), 'T')
   Call: (262) [system] char_type('T', end_of_line)
   Call: (262) [system] 'T'=end_of_file
^  Call: (262) [user] read_until_eol((0x56051b6b4f40), _967274)
   Call: (263) [system] get_char((0x56051b6b4f40), _968204)
   Exit: (263) [system] get_char((0x56051b6b4f40), 'Y')
   Call: (263) [system] char_type('Y', end_of_line)
   Call: (263) [system] 'Y'=end_of_file
^  Call: (263) [user] read_until_eol((0x56051b6b4f40), _971918)
   Call: (264) [system] get_char((0x56051b6b4f40), _972848)
   Exit: (264) [system] get_char((0x56051b6b4f40), 'P')
   Call: (264) [system] char_type('P', end_of_line)
   Call: (264) [system] 'P'=end_of_file
^  Call: (264) [user] read_until_eol((0x56051b6b4f40), _976562)
   Call: (265) [system] get_char((0x56051b6b4f40), _977492)
   Exit: (265) [system] get_char((0x56051b6b4f40), 'E')
   Call: (265) [system] char_type('E', end_of_line)
   Call: (265) [system] 'E'=end_of_file
^  Call: (265) [user] read_until_eol((0x56051b6b4f40), _981206)
   Call: (266) [system] get_char((0x56051b6b4f40), _982136)
   Exit: (266) [system] get_char((0x56051b6b4f40), ')')
   Call: (266) [system] char_type(')', end_of_line)
   Call: (266) [system] ')'=end_of_file
^  Call: (266) [user] read_until_eol((0x56051b6b4f40), _985850)
   Call: (267) [system] get_char((0x56051b6b4f40), _986780)
   Exit: (267) [system] get_char((0x56051b6b4f40), '.')
   Call: (267) [system] char_type('.', end_of_line)
   Call: (267) [system] ('.')=end_of_file
^  Call: (267) [user] read_until_eol((0x56051b6b4f40), _990494)
   Call: (268) [system] get_char((0x56051b6b4f40), _991424)
   Exit: (268) [system] get_char((0x56051b6b4f40), '\n')
   Call: (268) [system] char_type('\n', end_of_line)
   Exit: (268) [system] char_type('\n', end_of_line)
   Call: (268) [system] _990494=""
   Exit: (268) [system] ""=""
^  Exit: (267) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (267) [system] string_concat('.', "", _985850)
   Exit: (267) [system] string_concat('.', "", ".")
^  Exit: (266) [user] read_until_eol((0x56051b6b4f40), ".")
   Call: (266) [system] string_concat(')', ".", _981206)
   Exit: (266) [system] string_concat(')', ".", ").")
^  Exit: (265) [user] read_until_eol((0x56051b6b4f40), ").")
   Call: (265) [system] string_concat('E', ").", _976562)
   Exit: (265) [system] string_concat('E', ").", "E).")
^  Exit: (264) [user] read_until_eol((0x56051b6b4f40), "E).")
   Call: (264) [system] string_concat('P', "E).", _971918)
   Exit: (264) [system] string_concat('P', "E).", "PE).")
^  Exit: (263) [user] read_until_eol((0x56051b6b4f40), "PE).")
   Call: (263) [system] string_concat('Y', "PE).", _967274)
   Exit: (263) [system] string_concat('Y', "PE).", "YPE).")
^  Exit: (262) [user] read_until_eol((0x56051b6b4f40), "YPE).")
   Call: (262) [system] string_concat('T', "YPE).", _962630)
   Exit: (262) [system] string_concat('T', "YPE).", "TYPE).")
^  Exit: (261) [user] read_until_eol((0x56051b6b4f40), "TYPE).")
   Call: (261) [system] string_concat(' ', "TYPE).", _957986)
   Exit: (261) [system] string_concat(' ', "TYPE).", " TYPE).")
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), " TYPE).")
   Call: (260) [system] string_concat('M', " TYPE).", _953342)
   Exit: (260) [system] string_concat('M', " TYPE).", "M TYPE).")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), "M TYPE).")
   Call: (259) [system] string_concat('R', "M TYPE).", _948698)
   Exit: (259) [system] string_concat('R', "M TYPE).", "RM TYPE).")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), "RM TYPE).")
   Call: (258) [system] string_concat('E', "RM TYPE).", _944054)
   Exit: (258) [system] string_concat('E', "RM TYPE).", "ERM TYPE).")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "ERM TYPE).")
   Call: (257) [system] string_concat('T', "ERM TYPE).", _939410)
   Exit: (257) [system] string_concat('T', "ERM TYPE).", "TERM TYPE).")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "TERM TYPE).")
   Call: (256) [system] string_concat(' ', "TERM TYPE).", _934766)
   Exit: (256) [system] string_concat(' ', "TERM TYPE).", " TERM TYPE).")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), " TERM TYPE).")
   Call: (255) [system] string_concat(:, " TERM TYPE).", _930122)
   Exit: (255) [system] string_concat(:, " TERM TYPE).", ": TERM TYPE).")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), ": TERM TYPE).")
   Call: (254) [system] string_concat('(', ": TERM TYPE).", _925478)
   Exit: (254) [system] string_concat('(', ": TERM TYPE).", "(: TERM TYPE).")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "(: TERM TYPE).")
   Call: (253) [system] string_concat(' ', "(: TERM TYPE).", _920834)
   Exit: (253) [system] string_concat(' ', "(: TERM TYPE).", " (: TERM TYPE).")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), " (: TERM TYPE).")
   Call: (252) [system] string_concat(m, " (: TERM TYPE).", _916190)
   Exit: (252) [system] string_concat(m, " (: TERM TYPE).", "m (: TERM TYPE).")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), "m (: TERM TYPE).")
   Call: (251) [system] string_concat(r, "m (: TERM TYPE).", _911546)
   Exit: (251) [system] string_concat(r, "m (: TERM TYPE).", "rm (: TERM TYPE).")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "rm (: TERM TYPE).")
   Call: (250) [system] string_concat(o, "rm (: TERM TYPE).", _906902)
   Exit: (250) [system] string_concat(o, "rm (: TERM TYPE).", "orm (: TERM TYPE).")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "orm (: TERM TYPE).")
   Call: (249) [system] string_concat(f, "orm (: TERM TYPE).", _902258)
   Exit: (249) [system] string_concat(f, "orm (: TERM TYPE).", "form (: TERM TYPE).")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "form (: TERM TYPE).")
   Call: (248) [system] string_concat(' ', "form (: TERM TYPE).", _897614)
   Exit: (248) [system] string_concat(' ', "form (: TERM TYPE).", " form (: TERM TYPE).")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), " form (: TERM TYPE).")
   Call: (247) [system] string_concat(e, " form (: TERM TYPE).", _892970)
   Exit: (247) [system] string_concat(e, " form (: TERM TYPE).", "e form (: TERM TYPE).")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "e form (: TERM TYPE).")
   Call: (246) [system] string_concat(h, "e form (: TERM TYPE).", _888326)
   Exit: (246) [system] string_concat(h, "e form (: TERM TYPE).", "he form (: TERM TYPE).")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "he form (: TERM TYPE).")
   Call: (245) [system] string_concat(t, "he form (: TERM TYPE).", _883682)
   Exit: (245) [system] string_concat(t, "he form (: TERM TYPE).", "the form (: TERM TYPE).")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "the form (: TERM TYPE).")
   Call: (244) [system] string_concat(' ', "the form (: TERM TYPE).", _879038)
   Exit: (244) [system] string_concat(' ', "the form (: TERM TYPE).", " the form (: TERM TYPE).")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), " the form (: TERM TYPE).")
   Call: (243) [system] string_concat(f, " the form (: TERM TYPE).", _874394)
   Exit: (243) [system] string_concat(f, " the form (: TERM TYPE).", "f the form (: TERM TYPE).")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "f the form (: TERM TYPE).")
   Call: (242) [system] string_concat(o, "f the form (: TERM TYPE).", _869750)
   Exit: (242) [system] string_concat(o, "f the form (: TERM TYPE).", "of the form (: TERM TYPE).")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "of the form (: TERM TYPE).")
   Call: (241) [system] string_concat(' ', "of the form (: TERM TYPE).", _865106)
   Exit: (241) [system] string_concat(' ', "of the form (: TERM TYPE).", " of the form (: TERM TYPE).")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), " of the form (: TERM TYPE).")
   Call: (240) [system] string_concat(m, " of the form (: TERM TYPE).", _860462)
   Exit: (240) [system] string_concat(m, " of the form (: TERM TYPE).", "m of the form (: TERM TYPE).")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "m of the form (: TERM TYPE).")
   Call: (239) [system] string_concat(o, "m of the form (: TERM TYPE).", _855818)
   Exit: (239) [system] string_concat(o, "m of the form (: TERM TYPE).", "om of the form (: TERM TYPE).")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "om of the form (: TERM TYPE).")
   Call: (238) [system] string_concat(t, "om of the form (: TERM TYPE).", _851174)
   Exit: (238) [system] string_concat(t, "om of the form (: TERM TYPE).", "tom of the form (: TERM TYPE).")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "tom of the form (: TERM TYPE).")
   Call: (237) [system] string_concat('A', "tom of the form (: TERM TYPE).", _846530)
   Exit: (237) [system] string_concat('A', "tom of the form (: TERM TYPE).", "Atom of the form (: TERM TYPE).")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "Atom of the form (: TERM TYPE).")
   Call: (236) [system] string_concat(' ', "Atom of the form (: TERM TYPE).", _841886)
   Exit: (236) [system] string_concat(' ', "Atom of the form (: TERM TYPE).", " Atom of the form (: TERM TYPE).")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), " Atom of the form (: TERM TYPE).")
   Call: (235) [system] string_concat(n, " Atom of the form (: TERM TYPE).", _837242)
   Exit: (235) [system] string_concat(n, " Atom of the form (: TERM TYPE).", "n Atom of the form (: TERM TYPE).")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "n Atom of the form (: TERM TYPE).")
   Call: (234) [system] string_concat(a, "n Atom of the form (: TERM TYPE).", _832598)
   Exit: (234) [system] string_concat(a, "n Atom of the form (: TERM TYPE).", "an Atom of the form (: TERM TYPE).")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "an Atom of the form (: TERM TYPE).")
   Call: (233) [system] string_concat(' ', "an Atom of the form (: TERM TYPE).", _827954)
   Exit: (233) [system] string_concat(' ', "an Atom of the form (: TERM TYPE).", " an Atom of the form (: TERM TYPE).")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), " an Atom of the form (: TERM TYPE).")
   Call: (232) [system] string_concat(s, " an Atom of the form (: TERM TYPE).", _823310)
   Exit: (232) [system] string_concat(s, " an Atom of the form (: TERM TYPE).", "s an Atom of the form (: TERM TYPE).")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "s an Atom of the form (: TERM TYPE).")
   Call: (231) [system] string_concat(i, "s an Atom of the form (: TERM TYPE).", _818666)
   Exit: (231) [system] string_concat(i, "s an Atom of the form (: TERM TYPE).", "is an Atom of the form (: TERM TYPE).")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "is an Atom of the form (: TERM TYPE).")
   Call: (230) [system] string_concat(' ', "is an Atom of the form (: TERM TYPE).", _814022)
   Exit: (230) [system] string_concat(' ', "is an Atom of the form (: TERM TYPE).", " is an Atom of the form (: TERM TYPE).")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), " is an Atom of the form (: TERM TYPE).")
   Call: (229) [system] string_concat(m, " is an Atom of the form (: TERM TYPE).", _809378)
   Exit: (229) [system] string_concat(m, " is an Atom of the form (: TERM TYPE).", "m is an Atom of the form (: TERM TYPE).")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "m is an Atom of the form (: TERM TYPE).")
   Call: (228) [system] string_concat(o, "m is an Atom of the form (: TERM TYPE).", _804734)
   Exit: (228) [system] string_concat(o, "m is an Atom of the form (: TERM TYPE).", "om is an Atom of the form (: TERM TYPE).")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "om is an Atom of the form (: TERM TYPE).")
   Call: (227) [system] string_concat(i, "om is an Atom of the form (: TERM TYPE).", _800090)
   Exit: (227) [system] string_concat(i, "om is an Atom of the form (: TERM TYPE).", "iom is an Atom of the form (: TERM TYPE).")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "iom is an Atom of the form (: TERM TYPE).")
   Call: (226) [system] string_concat(x, "iom is an Atom of the form (: TERM TYPE).", _795446)
   Exit: (226) [system] string_concat(x, "iom is an Atom of the form (: TERM TYPE).", "xiom is an Atom of the form (: TERM TYPE).")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "xiom is an Atom of the form (: TERM TYPE).")
   Call: (225) [system] string_concat(a, "xiom is an Atom of the form (: TERM TYPE).", _790802)
   Exit: (225) [system] string_concat(a, "xiom is an Atom of the form (: TERM TYPE).", "axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "axiom is an Atom of the form (: TERM TYPE).")
   Call: (224) [system] string_concat(' ', "axiom is an Atom of the form (: TERM TYPE).", _786158)
   Exit: (224) [system] string_concat(' ', "axiom is an Atom of the form (: TERM TYPE).", " axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), " axiom is an Atom of the form (: TERM TYPE).")
   Call: (223) [system] string_concat(n, " axiom is an Atom of the form (: TERM TYPE).", _781514)
   Exit: (223) [system] string_concat(n, " axiom is an Atom of the form (: TERM TYPE).", "n axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "n axiom is an Atom of the form (: TERM TYPE).")
   Call: (222) [system] string_concat('A', "n axiom is an Atom of the form (: TERM TYPE).", _776870)
   Exit: (222) [system] string_concat('A', "n axiom is an Atom of the form (: TERM TYPE).", "An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "An axiom is an Atom of the form (: TERM TYPE).")
   Call: (221) [system] string_concat(' ', "An axiom is an Atom of the form (: TERM TYPE).", _772226)
   Exit: (221) [system] string_concat(' ', "An axiom is an Atom of the form (: TERM TYPE).", " An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), " An axiom is an Atom of the form (: TERM TYPE).")
   Call: (220) [system] string_concat(' ', " An axiom is an Atom of the form (: TERM TYPE).", _767582)
   Exit: (220) [system] string_concat(' ', " An axiom is an Atom of the form (: TERM TYPE).", "  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (219) [system] string_concat('.', "  An axiom is an Atom of the form (: TERM TYPE).", _762938)
   Exit: (219) [system] string_concat('.', "  An axiom is an Atom of the form (: TERM TYPE).", ".  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), ".  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (218) [system] string_concat(m, ".  An axiom is an Atom of the form (: TERM TYPE).", _758294)
   Exit: (218) [system] string_concat(m, ".  An axiom is an Atom of the form (: TERM TYPE).", "m.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "m.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (217) [system] string_concat(o, "m.  An axiom is an Atom of the form (: TERM TYPE).", _753650)
   Exit: (217) [system] string_concat(o, "m.  An axiom is an Atom of the form (: TERM TYPE).", "om.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "om.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (216) [system] string_concat(i, "om.  An axiom is an Atom of the form (: TERM TYPE).", _749006)
   Exit: (216) [system] string_concat(i, "om.  An axiom is an Atom of the form (: TERM TYPE).", "iom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "iom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (215) [system] string_concat(x, "iom.  An axiom is an Atom of the form (: TERM TYPE).", _744362)
   Exit: (215) [system] string_concat(x, "iom.  An axiom is an Atom of the form (: TERM TYPE).", "xiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "xiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (214) [system] string_concat(a, "xiom.  An axiom is an Atom of the form (: TERM TYPE).", _739718)
   Exit: (214) [system] string_concat(a, "xiom.  An axiom is an Atom of the form (: TERM TYPE).", "axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (213) [system] string_concat(' ', "axiom.  An axiom is an Atom of the form (: TERM TYPE).", _735074)
   Exit: (213) [system] string_concat(' ', "axiom.  An axiom is an Atom of the form (: TERM TYPE).", " axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), " axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (212) [system] string_concat(n, " axiom.  An axiom is an Atom of the form (: TERM TYPE).", _730430)
   Exit: (212) [system] string_concat(n, " axiom.  An axiom is an Atom of the form (: TERM TYPE).", "n axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "n axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (211) [system] string_concat(a, "n axiom.  An axiom is an Atom of the form (: TERM TYPE).", _725786)
   Exit: (211) [system] string_concat(a, "n axiom.  An axiom is an Atom of the form (: TERM TYPE).", "an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (210) [system] string_concat(' ', "an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _721142)
   Exit: (210) [system] string_concat(' ', "an axiom.  An axiom is an Atom of the form (: TERM TYPE).", " an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), " an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (209) [system] string_concat(' ', " an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _716498)
   Exit: (209) [system] string_concat(' ', " an axiom.  An axiom is an Atom of the form (: TERM TYPE).", "  an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "  an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (208) [system] string_concat(' ', "  an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _711854)
   Exit: (208) [system] string_concat(' ', "  an axiom.  An axiom is an Atom of the form (: TERM TYPE).", "   an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "   an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (207) [system] string_concat(' ', "   an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _707210)
   Exit: (207) [system] string_concat(' ', "   an axiom.  An axiom is an Atom of the form (: TERM TYPE).", "    an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "    an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (206) [system] string_concat(' ', "    an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _702566)
   Exit: (206) [system] string_concat(' ', "    an axiom.  An axiom is an Atom of the form (: TERM TYPE).", "     an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "     an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (205) [system] string_concat(' ', "     an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _697922)
   Exit: (205) [system] string_concat(' ', "     an axiom.  An axiom is an Atom of the form (: TERM TYPE).", "      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (204) [system] string_concat(;, "      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _693278)
   Exit: (204) [system] string_concat(;, "      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", ";      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), ";      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
   Call: (203) [system] string_concat(;, ";      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", _688634)
   Exit: (203) [system] string_concat(;, ";      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), ";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).")
^  Call: (202) [user] assertz(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Exit: (202) [user] assertz(metta_file_comment(36, 0, 1098, '$COMMENT'(";;      an axiom.  An axiom is an Atom of the form (: TERM TYPE).", 36, 0), '$stream_position'(1098, 36, 0, 1098)))
^  Exit: (201) [user] read_comment((0x56051b6b4f40))
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1184022)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ;)
   Call: (202) [system] (;)=(;)
   Exit: (202) [system] (;)=(;)
^  Call: (202) [user] read_comment((0x56051b6b4f40))
^  Call: (203) [user] read_position((0x56051b6b4f40), _1188660, _1188662, _1188664, _1188666)
   Call: (204) [system] stream_property((0x56051b6b4f40), position(_1188666))
   Call: (205) [system] nonvar((0x56051b6b4f40))
   Exit: (205) [system] nonvar((0x56051b6b4f40))
   Call: (205) [system] nonvar(position(_1188666))
   Exit: (205) [system] nonvar(position(_1188666))
   Exit: (204) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1164, 37, 0, 1164)))
   Call: (204) [$syspreds] stream_position_data(line_count, '$stream_position'(1164, 37, 0, 1164), _1188660)
   Call: (205) [system] nonvar(line_count)
   Exit: (205) [system] nonvar(line_count)
   Call: (205) [$syspreds] stream_position_field(line_count, _1197954)
   Exit: (205) [$syspreds] stream_position_field(line_count, 2)
   Call: (205) [system] arg(2, '$stream_position'(1164, 37, 0, 1164), _1188660)
   Exit: (205) [system] arg(2, '$stream_position'(1164, 37, 0, 1164), 37)
   Exit: (204) [$syspreds] stream_position_data(line_count, '$stream_position'(1164, 37, 0, 1164), 37)
   Call: (204) [$syspreds] stream_position_data(line_position, '$stream_position'(1164, 37, 0, 1164), _1188662)
   Call: (205) [system] nonvar(line_position)
   Exit: (205) [system] nonvar(line_position)
   Call: (205) [$syspreds] stream_position_field(line_position, _1205388)
   Exit: (205) [$syspreds] stream_position_field(line_position, 3)
   Call: (205) [system] arg(3, '$stream_position'(1164, 37, 0, 1164), _1188662)
   Exit: (205) [system] arg(3, '$stream_position'(1164, 37, 0, 1164), 0)
   Exit: (204) [$syspreds] stream_position_data(line_position, '$stream_position'(1164, 37, 0, 1164), 0)
   Call: (204) [$syspreds] stream_position_data(char_count, '$stream_position'(1164, 37, 0, 1164), _1188664)
   Call: (205) [system] nonvar(char_count)
   Exit: (205) [system] nonvar(char_count)
   Call: (205) [$syspreds] stream_position_field(char_count, _1212822)
   Exit: (205) [$syspreds] stream_position_field(char_count, 1)
   Call: (205) [system] arg(1, '$stream_position'(1164, 37, 0, 1164), _1188664)
   Exit: (205) [system] arg(1, '$stream_position'(1164, 37, 0, 1164), 1164)
   Exit: (204) [$syspreds] stream_position_data(char_count, '$stream_position'(1164, 37, 0, 1164), 1164)
^  Exit: (203) [user] read_position((0x56051b6b4f40), 37, 0, 1164, '$stream_position'(1164, 37, 0, 1164))
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1218416)
   Call: (204) [system] get_char((0x56051b6b4f40), _1219346)
   Exit: (204) [system] get_char((0x56051b6b4f40), ;)
   Call: (204) [system] char_type(;, end_of_line)
   Call: (204) [system] (;)=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1223060)
   Call: (205) [system] get_char((0x56051b6b4f40), _1223990)
   Exit: (205) [system] get_char((0x56051b6b4f40), ;)
   Call: (205) [system] char_type(;, end_of_line)
   Call: (205) [system] (;)=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1227704)
   Call: (206) [system] get_char((0x56051b6b4f40), _1228634)
   Exit: (206) [system] get_char((0x56051b6b4f40), '\n')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
   Call: (206) [system] _1227704=""
   Exit: (206) [system] ""=""
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (205) [system] string_concat(;, "", _1223060)
   Exit: (205) [system] string_concat(;, "", ";")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), ";")
   Call: (204) [system] string_concat(;, ";", _1218416)
   Exit: (204) [system] string_concat(;, ";", ";;")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), ";;")
^  Call: (203) [user] assertz(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Exit: (203) [user] assertz(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Exit: (202) [user] read_comment((0x56051b6b4f40))
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1244462)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ;)
   Call: (203) [system] (;)=(;)
   Exit: (203) [system] (;)=(;)
^  Call: (203) [user] read_comment((0x56051b6b4f40))
^  Call: (204) [user] read_position((0x56051b6b4f40), _1249100, _1249102, _1249104, _1249106)
   Call: (205) [system] stream_property((0x56051b6b4f40), position(_1249106))
   Call: (206) [system] nonvar((0x56051b6b4f40))
   Exit: (206) [system] nonvar((0x56051b6b4f40))
   Call: (206) [system] nonvar(position(_1249106))
   Exit: (206) [system] nonvar(position(_1249106))
   Exit: (205) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1167, 38, 0, 1167)))
   Call: (205) [$syspreds] stream_position_data(line_count, '$stream_position'(1167, 38, 0, 1167), _1249100)
   Call: (206) [system] nonvar(line_count)
   Exit: (206) [system] nonvar(line_count)
   Call: (206) [$syspreds] stream_position_field(line_count, _1258394)
   Exit: (206) [$syspreds] stream_position_field(line_count, 2)
   Call: (206) [system] arg(2, '$stream_position'(1167, 38, 0, 1167), _1249100)
   Exit: (206) [system] arg(2, '$stream_position'(1167, 38, 0, 1167), 38)
   Exit: (205) [$syspreds] stream_position_data(line_count, '$stream_position'(1167, 38, 0, 1167), 38)
   Call: (205) [$syspreds] stream_position_data(line_position, '$stream_position'(1167, 38, 0, 1167), _1249102)
   Call: (206) [system] nonvar(line_position)
   Exit: (206) [system] nonvar(line_position)
   Call: (206) [$syspreds] stream_position_field(line_position, _1265828)
   Exit: (206) [$syspreds] stream_position_field(line_position, 3)
   Call: (206) [system] arg(3, '$stream_position'(1167, 38, 0, 1167), _1249102)
   Exit: (206) [system] arg(3, '$stream_position'(1167, 38, 0, 1167), 0)
   Exit: (205) [$syspreds] stream_position_data(line_position, '$stream_position'(1167, 38, 0, 1167), 0)
   Call: (205) [$syspreds] stream_position_data(char_count, '$stream_position'(1167, 38, 0, 1167), _1249104)
   Call: (206) [system] nonvar(char_count)
   Exit: (206) [system] nonvar(char_count)
   Call: (206) [$syspreds] stream_position_field(char_count, _1273262)
   Exit: (206) [$syspreds] stream_position_field(char_count, 1)
   Call: (206) [system] arg(1, '$stream_position'(1167, 38, 0, 1167), _1249104)
   Exit: (206) [system] arg(1, '$stream_position'(1167, 38, 0, 1167), 1167)
   Exit: (205) [$syspreds] stream_position_data(char_count, '$stream_position'(1167, 38, 0, 1167), 1167)
^  Exit: (204) [user] read_position((0x56051b6b4f40), 38, 0, 1167, '$stream_position'(1167, 38, 0, 1167))
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1278856)
   Call: (205) [system] get_char((0x56051b6b4f40), _1279786)
   Exit: (205) [system] get_char((0x56051b6b4f40), ;)
   Call: (205) [system] char_type(;, end_of_line)
   Call: (205) [system] (;)=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1283500)
   Call: (206) [system] get_char((0x56051b6b4f40), _1284430)
   Exit: (206) [system] get_char((0x56051b6b4f40), ;)
   Call: (206) [system] char_type(;, end_of_line)
   Call: (206) [system] (;)=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1288144)
   Call: (207) [system] get_char((0x56051b6b4f40), _1289074)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
   Call: (207) [system] char_type(' ', end_of_line)
   Call: (207) [system] ' '=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _1292788)
   Call: (208) [system] get_char((0x56051b6b4f40), _1293718)
   Exit: (208) [system] get_char((0x56051b6b4f40), $)
   Call: (208) [system] char_type($, end_of_line)
   Call: (208) [system] ($)=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _1297432)
   Call: (209) [system] get_char((0x56051b6b4f40), _1298362)
   Exit: (209) [system] get_char((0x56051b6b4f40), r)
   Call: (209) [system] char_type(r, end_of_line)
   Call: (209) [system] r=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _1302076)
   Call: (210) [system] get_char((0x56051b6b4f40), _1303006)
   Exit: (210) [system] get_char((0x56051b6b4f40), b)
   Call: (210) [system] char_type(b, end_of_line)
   Call: (210) [system] b=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1306720)
   Call: (211) [system] get_char((0x56051b6b4f40), _1307650)
   Exit: (211) [system] get_char((0x56051b6b4f40), :)
   Call: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1311364)
   Call: (212) [system] get_char((0x56051b6b4f40), _1312294)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
   Call: (212) [system] char_type(' ', end_of_line)
   Call: (212) [system] ' '=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1316008)
   Call: (213) [system] get_char((0x56051b6b4f40), _1316938)
   Exit: (213) [system] get_char((0x56051b6b4f40), a)
   Call: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1320652)
   Call: (214) [system] get_char((0x56051b6b4f40), _1321582)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
   Call: (214) [system] char_type(' ', end_of_line)
   Call: (214) [system] ' '=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1325296)
   Call: (215) [system] get_char((0x56051b6b4f40), _1326226)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] char_type(n, end_of_line)
   Call: (215) [system] n=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1329940)
   Call: (216) [system] get_char((0x56051b6b4f40), _1330870)
   Exit: (216) [system] get_char((0x56051b6b4f40), u)
   Call: (216) [system] char_type(u, end_of_line)
   Call: (216) [system] u=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1334584)
   Call: (217) [system] get_char((0x56051b6b4f40), _1335514)
   Exit: (217) [system] get_char((0x56051b6b4f40), l)
   Call: (217) [system] char_type(l, end_of_line)
   Call: (217) [system] l=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1339228)
   Call: (218) [system] get_char((0x56051b6b4f40), _1340158)
   Exit: (218) [system] get_char((0x56051b6b4f40), l)
   Call: (218) [system] char_type(l, end_of_line)
   Call: (218) [system] l=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1343872)
   Call: (219) [system] get_char((0x56051b6b4f40), _1344802)
   Exit: (219) [system] get_char((0x56051b6b4f40), a)
   Call: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] a=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1348516)
   Call: (220) [system] get_char((0x56051b6b4f40), _1349446)
   Exit: (220) [system] get_char((0x56051b6b4f40), r)
   Call: (220) [system] char_type(r, end_of_line)
   Call: (220) [system] r=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1353160)
   Call: (221) [system] get_char((0x56051b6b4f40), _1354090)
   Exit: (221) [system] get_char((0x56051b6b4f40), y)
   Call: (221) [system] char_type(y, end_of_line)
   Call: (221) [system] y=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1357804)
   Call: (222) [system] get_char((0x56051b6b4f40), _1358734)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
   Call: (222) [system] char_type(' ', end_of_line)
   Call: (222) [system] ' '=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1362448)
   Call: (223) [system] get_char((0x56051b6b4f40), _1363378)
   Exit: (223) [system] get_char((0x56051b6b4f40), f)
   Call: (223) [system] char_type(f, end_of_line)
   Call: (223) [system] f=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1367092)
   Call: (224) [system] get_char((0x56051b6b4f40), _1368022)
   Exit: (224) [system] get_char((0x56051b6b4f40), u)
   Call: (224) [system] char_type(u, end_of_line)
   Call: (224) [system] u=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1371736)
   Call: (225) [system] get_char((0x56051b6b4f40), _1372666)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] char_type(n, end_of_line)
   Call: (225) [system] n=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1376380)
   Call: (226) [system] get_char((0x56051b6b4f40), _1377310)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] char_type(c, end_of_line)
   Call: (226) [system] c=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1381024)
   Call: (227) [system] get_char((0x56051b6b4f40), _1381954)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] char_type(t, end_of_line)
   Call: (227) [system] t=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1385668)
   Call: (228) [system] get_char((0x56051b6b4f40), _1386598)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] char_type(i, end_of_line)
   Call: (228) [system] i=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1390312)
   Call: (229) [system] get_char((0x56051b6b4f40), _1391242)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] char_type(o, end_of_line)
   Call: (229) [system] o=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1394956)
   Call: (230) [system] get_char((0x56051b6b4f40), _1395886)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] char_type(n, end_of_line)
   Call: (230) [system] n=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1399600)
   Call: (231) [system] get_char((0x56051b6b4f40), _1400530)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1404244)
   Call: (232) [system] get_char((0x56051b6b4f40), _1405174)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] char_type(t, end_of_line)
   Call: (232) [system] t=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1408888)
   Call: (233) [system] get_char((0x56051b6b4f40), _1409818)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] char_type(o, end_of_line)
   Call: (233) [system] o=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1413532)
   Call: (234) [system] get_char((0x56051b6b4f40), _1414462)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
   Call: (234) [system] char_type(' ', end_of_line)
   Call: (234) [system] ' '=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1418176)
   Call: (235) [system] get_char((0x56051b6b4f40), _1419106)
   Exit: (235) [system] get_char((0x56051b6b4f40), r)
   Call: (235) [system] char_type(r, end_of_line)
   Call: (235) [system] r=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1422820)
   Call: (236) [system] get_char((0x56051b6b4f40), _1423750)
   Exit: (236) [system] get_char((0x56051b6b4f40), u)
   Call: (236) [system] char_type(u, end_of_line)
   Call: (236) [system] u=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1427464)
   Call: (237) [system] get_char((0x56051b6b4f40), _1428394)
   Exit: (237) [system] get_char((0x56051b6b4f40), l)
   Call: (237) [system] char_type(l, end_of_line)
   Call: (237) [system] l=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1432108)
   Call: (238) [system] get_char((0x56051b6b4f40), _1433038)
   Exit: (238) [system] get_char((0x56051b6b4f40), e)
   Call: (238) [system] char_type(e, end_of_line)
   Call: (238) [system] e=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1436752)
   Call: (239) [system] get_char((0x56051b6b4f40), _1437682)
   Exit: (239) [system] get_char((0x56051b6b4f40), '\n')
   Call: (239) [system] char_type('\n', end_of_line)
   Exit: (239) [system] char_type('\n', end_of_line)
   Call: (239) [system] _1436752=""
   Exit: (239) [system] ""=""
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (238) [system] string_concat(e, "", _1432108)
   Exit: (238) [system] string_concat(e, "", "e")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "e")
   Call: (237) [system] string_concat(l, "e", _1427464)
   Exit: (237) [system] string_concat(l, "e", "le")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "le")
   Call: (236) [system] string_concat(u, "le", _1422820)
   Exit: (236) [system] string_concat(u, "le", "ule")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "ule")
   Call: (235) [system] string_concat(r, "ule", _1418176)
   Exit: (235) [system] string_concat(r, "ule", "rule")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "rule")
   Call: (234) [system] string_concat(' ', "rule", _1413532)
   Exit: (234) [system] string_concat(' ', "rule", " rule")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), " rule")
   Call: (233) [system] string_concat(o, " rule", _1408888)
   Exit: (233) [system] string_concat(o, " rule", "o rule")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "o rule")
   Call: (232) [system] string_concat(t, "o rule", _1404244)
   Exit: (232) [system] string_concat(t, "o rule", "to rule")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "to rule")
   Call: (231) [system] string_concat(' ', "to rule", _1399600)
   Exit: (231) [system] string_concat(' ', "to rule", " to rule")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), " to rule")
   Call: (230) [system] string_concat(n, " to rule", _1394956)
   Exit: (230) [system] string_concat(n, " to rule", "n to rule")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "n to rule")
   Call: (229) [system] string_concat(o, "n to rule", _1390312)
   Exit: (229) [system] string_concat(o, "n to rule", "on to rule")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "on to rule")
   Call: (228) [system] string_concat(i, "on to rule", _1385668)
   Exit: (228) [system] string_concat(i, "on to rule", "ion to rule")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "ion to rule")
   Call: (227) [system] string_concat(t, "ion to rule", _1381024)
   Exit: (227) [system] string_concat(t, "ion to rule", "tion to rule")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "tion to rule")
   Call: (226) [system] string_concat(c, "tion to rule", _1376380)
   Exit: (226) [system] string_concat(c, "tion to rule", "ction to rule")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "ction to rule")
   Call: (225) [system] string_concat(n, "ction to rule", _1371736)
   Exit: (225) [system] string_concat(n, "ction to rule", "nction to rule")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "nction to rule")
   Call: (224) [system] string_concat(u, "nction to rule", _1367092)
   Exit: (224) [system] string_concat(u, "nction to rule", "unction to rule")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "unction to rule")
   Call: (223) [system] string_concat(f, "unction to rule", _1362448)
   Exit: (223) [system] string_concat(f, "unction to rule", "function to rule")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "function to rule")
   Call: (222) [system] string_concat(' ', "function to rule", _1357804)
   Exit: (222) [system] string_concat(' ', "function to rule", " function to rule")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), " function to rule")
   Call: (221) [system] string_concat(y, " function to rule", _1353160)
   Exit: (221) [system] string_concat(y, " function to rule", "y function to rule")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "y function to rule")
   Call: (220) [system] string_concat(r, "y function to rule", _1348516)
   Exit: (220) [system] string_concat(r, "y function to rule", "ry function to rule")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "ry function to rule")
   Call: (219) [system] string_concat(a, "ry function to rule", _1343872)
   Exit: (219) [system] string_concat(a, "ry function to rule", "ary function to rule")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "ary function to rule")
   Call: (218) [system] string_concat(l, "ary function to rule", _1339228)
   Exit: (218) [system] string_concat(l, "ary function to rule", "lary function to rule")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "lary function to rule")
   Call: (217) [system] string_concat(l, "lary function to rule", _1334584)
   Exit: (217) [system] string_concat(l, "lary function to rule", "llary function to rule")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "llary function to rule")
   Call: (216) [system] string_concat(u, "llary function to rule", _1329940)
   Exit: (216) [system] string_concat(u, "llary function to rule", "ullary function to rule")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "ullary function to rule")
   Call: (215) [system] string_concat(n, "ullary function to rule", _1325296)
   Exit: (215) [system] string_concat(n, "ullary function to rule", "nullary function to rule")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "nullary function to rule")
   Call: (214) [system] string_concat(' ', "nullary function to rule", _1320652)
   Exit: (214) [system] string_concat(' ', "nullary function to rule", " nullary function to rule")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), " nullary function to rule")
   Call: (213) [system] string_concat(a, " nullary function to rule", _1316008)
   Exit: (213) [system] string_concat(a, " nullary function to rule", "a nullary function to rule")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "a nullary function to rule")
   Call: (212) [system] string_concat(' ', "a nullary function to rule", _1311364)
   Exit: (212) [system] string_concat(' ', "a nullary function to rule", " a nullary function to rule")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), " a nullary function to rule")
   Call: (211) [system] string_concat(:, " a nullary function to rule", _1306720)
   Exit: (211) [system] string_concat(:, " a nullary function to rule", ": a nullary function to rule")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), ": a nullary function to rule")
   Call: (210) [system] string_concat(b, ": a nullary function to rule", _1302076)
   Exit: (210) [system] string_concat(b, ": a nullary function to rule", "b: a nullary function to rule")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "b: a nullary function to rule")
   Call: (209) [system] string_concat(r, "b: a nullary function to rule", _1297432)
   Exit: (209) [system] string_concat(r, "b: a nullary function to rule", "rb: a nullary function to rule")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "rb: a nullary function to rule")
   Call: (208) [system] string_concat($, "rb: a nullary function to rule", _1292788)
   Exit: (208) [system] string_concat($, "rb: a nullary function to rule", "$rb: a nullary function to rule")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "$rb: a nullary function to rule")
   Call: (207) [system] string_concat(' ', "$rb: a nullary function to rule", _1288144)
   Exit: (207) [system] string_concat(' ', "$rb: a nullary function to rule", " $rb: a nullary function to rule")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), " $rb: a nullary function to rule")
   Call: (206) [system] string_concat(;, " $rb: a nullary function to rule", _1283500)
   Exit: (206) [system] string_concat(;, " $rb: a nullary function to rule", "; $rb: a nullary function to rule")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "; $rb: a nullary function to rule")
   Call: (205) [system] string_concat(;, "; $rb: a nullary function to rule", _1278856)
   Exit: (205) [system] string_concat(;, "; $rb: a nullary function to rule", ";; $rb: a nullary function to rule")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), ";; $rb: a nullary function to rule")
^  Call: (204) [user] assertz(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Exit: (204) [user] assertz(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Exit: (203) [user] read_comment((0x56051b6b4f40))
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1543174)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ;)
   Call: (204) [system] (;)=(;)
   Exit: (204) [system] (;)=(;)
^  Call: (204) [user] read_comment((0x56051b6b4f40))
^  Call: (205) [user] read_position((0x56051b6b4f40), _1547812, _1547814, _1547816, _1547818)
   Call: (206) [system] stream_property((0x56051b6b4f40), position(_1547818))
   Call: (207) [system] nonvar((0x56051b6b4f40))
   Exit: (207) [system] nonvar((0x56051b6b4f40))
   Call: (207) [system] nonvar(position(_1547818))
   Exit: (207) [system] nonvar(position(_1547818))
   Exit: (206) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1202, 39, 0, 1202)))
   Call: (206) [$syspreds] stream_position_data(line_count, '$stream_position'(1202, 39, 0, 1202), _1547812)
   Call: (207) [system] nonvar(line_count)
   Exit: (207) [system] nonvar(line_count)
   Call: (207) [$syspreds] stream_position_field(line_count, _1557106)
   Exit: (207) [$syspreds] stream_position_field(line_count, 2)
   Call: (207) [system] arg(2, '$stream_position'(1202, 39, 0, 1202), _1547812)
   Exit: (207) [system] arg(2, '$stream_position'(1202, 39, 0, 1202), 39)
   Exit: (206) [$syspreds] stream_position_data(line_count, '$stream_position'(1202, 39, 0, 1202), 39)
   Call: (206) [$syspreds] stream_position_data(line_position, '$stream_position'(1202, 39, 0, 1202), _1547814)
   Call: (207) [system] nonvar(line_position)
   Exit: (207) [system] nonvar(line_position)
   Call: (207) [$syspreds] stream_position_field(line_position, _1564540)
   Exit: (207) [$syspreds] stream_position_field(line_position, 3)
   Call: (207) [system] arg(3, '$stream_position'(1202, 39, 0, 1202), _1547814)
   Exit: (207) [system] arg(3, '$stream_position'(1202, 39, 0, 1202), 0)
   Exit: (206) [$syspreds] stream_position_data(line_position, '$stream_position'(1202, 39, 0, 1202), 0)
   Call: (206) [$syspreds] stream_position_data(char_count, '$stream_position'(1202, 39, 0, 1202), _1547816)
   Call: (207) [system] nonvar(char_count)
   Exit: (207) [system] nonvar(char_count)
   Call: (207) [$syspreds] stream_position_field(char_count, _1571974)
   Exit: (207) [$syspreds] stream_position_field(char_count, 1)
   Call: (207) [system] arg(1, '$stream_position'(1202, 39, 0, 1202), _1547816)
   Exit: (207) [system] arg(1, '$stream_position'(1202, 39, 0, 1202), 1202)
   Exit: (206) [$syspreds] stream_position_data(char_count, '$stream_position'(1202, 39, 0, 1202), 1202)
^  Exit: (205) [user] read_position((0x56051b6b4f40), 39, 0, 1202, '$stream_position'(1202, 39, 0, 1202))
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1577568)
   Call: (206) [system] get_char((0x56051b6b4f40), _1578498)
   Exit: (206) [system] get_char((0x56051b6b4f40), ;)
   Call: (206) [system] char_type(;, end_of_line)
   Call: (206) [system] (;)=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1582212)
   Call: (207) [system] get_char((0x56051b6b4f40), _1583142)
   Exit: (207) [system] get_char((0x56051b6b4f40), ;)
   Call: (207) [system] char_type(;, end_of_line)
   Call: (207) [system] (;)=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _1586856)
   Call: (208) [system] get_char((0x56051b6b4f40), _1587786)
   Exit: (208) [system] get_char((0x56051b6b4f40), '\t')
   Call: (208) [system] char_type('\t', end_of_line)
   Call: (208) [system] '\t'=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _1591500)
   Call: (209) [system] get_char((0x56051b6b4f40), _1592430)
   Exit: (209) [system] get_char((0x56051b6b4f40), '\t')
   Call: (209) [system] char_type('\t', end_of_line)
   Call: (209) [system] '\t'=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _1596144)
   Call: (210) [system] get_char((0x56051b6b4f40), _1597074)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1600788)
   Call: (211) [system] get_char((0x56051b6b4f40), _1601718)
   Exit: (211) [system] get_char((0x56051b6b4f40), t)
   Call: (211) [system] char_type(t, end_of_line)
   Call: (211) [system] t=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1605432)
   Call: (212) [system] get_char((0x56051b6b4f40), _1606362)
   Exit: (212) [system] get_char((0x56051b6b4f40), o)
   Call: (212) [system] char_type(o, end_of_line)
   Call: (212) [system] o=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1610076)
   Call: (213) [system] get_char((0x56051b6b4f40), _1611006)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1614720)
   Call: (214) [system] get_char((0x56051b6b4f40), _1615650)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] char_type(n, end_of_line)
   Call: (214) [system] n=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1619364)
   Call: (215) [system] get_char((0x56051b6b4f40), _1620294)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] char_type(o, end_of_line)
   Call: (215) [system] o=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1624008)
   Call: (216) [system] get_char((0x56051b6b4f40), _1624938)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] char_type(n, end_of_line)
   Call: (216) [system] n=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1628652)
   Call: (217) [system] get_char((0x56051b6b4f40), _1629582)
   Exit: (217) [system] get_char((0x56051b6b4f40), -)
   Call: (217) [system] char_type(-, end_of_line)
   Call: (217) [system] (-)=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1633296)
   Call: (218) [system] get_char((0x56051b6b4f40), _1634226)
   Exit: (218) [system] get_char((0x56051b6b4f40), d)
   Call: (218) [system] char_type(d, end_of_line)
   Call: (218) [system] d=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1637940)
   Call: (219) [system] get_char((0x56051b6b4f40), _1638870)
   Exit: (219) [system] get_char((0x56051b6b4f40), e)
   Call: (219) [system] char_type(e, end_of_line)
   Call: (219) [system] e=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1642584)
   Call: (220) [system] get_char((0x56051b6b4f40), _1643514)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] char_type(t, end_of_line)
   Call: (220) [system] t=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1647228)
   Call: (221) [system] get_char((0x56051b6b4f40), _1648158)
   Exit: (221) [system] get_char((0x56051b6b4f40), e)
   Call: (221) [system] char_type(e, end_of_line)
   Call: (221) [system] e=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1651872)
   Call: (222) [system] get_char((0x56051b6b4f40), _1652802)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] char_type(r, end_of_line)
   Call: (222) [system] r=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1656516)
   Call: (223) [system] get_char((0x56051b6b4f40), _1657446)
   Exit: (223) [system] get_char((0x56051b6b4f40), m)
   Call: (223) [system] char_type(m, end_of_line)
   Call: (223) [system] m=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1661160)
   Call: (224) [system] get_char((0x56051b6b4f40), _1662090)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] char_type(i, end_of_line)
   Call: (224) [system] i=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1665804)
   Call: (225) [system] get_char((0x56051b6b4f40), _1666734)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] char_type(n, end_of_line)
   Call: (225) [system] n=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1670448)
   Call: (226) [system] get_char((0x56051b6b4f40), _1671378)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] char_type(i, end_of_line)
   Call: (226) [system] i=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1675092)
   Call: (227) [system] get_char((0x56051b6b4f40), _1676022)
   Exit: (227) [system] get_char((0x56051b6b4f40), s)
   Call: (227) [system] char_type(s, end_of_line)
   Call: (227) [system] s=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1679736)
   Call: (228) [system] get_char((0x56051b6b4f40), _1680666)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] char_type(t, end_of_line)
   Call: (228) [system] t=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1684380)
   Call: (229) [system] get_char((0x56051b6b4f40), _1685310)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] char_type(i, end_of_line)
   Call: (229) [system] i=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1689024)
   Call: (230) [system] get_char((0x56051b6b4f40), _1689954)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] char_type(c, end_of_line)
   Call: (230) [system] c=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1693668)
   Call: (231) [system] get_char((0x56051b6b4f40), _1694598)
   Exit: (231) [system] get_char((0x56051b6b4f40), a)
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] a=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1698312)
   Call: (232) [system] get_char((0x56051b6b4f40), _1699242)
   Exit: (232) [system] get_char((0x56051b6b4f40), l)
   Call: (232) [system] char_type(l, end_of_line)
   Call: (232) [system] l=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1702956)
   Call: (233) [system] get_char((0x56051b6b4f40), _1703886)
   Exit: (233) [system] get_char((0x56051b6b4f40), l)
   Call: (233) [system] char_type(l, end_of_line)
   Call: (233) [system] l=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1707600)
   Call: (234) [system] get_char((0x56051b6b4f40), _1708530)
   Exit: (234) [system] get_char((0x56051b6b4f40), y)
   Call: (234) [system] char_type(y, end_of_line)
   Call: (234) [system] y=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1712244)
   Call: (235) [system] get_char((0x56051b6b4f40), _1713174)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
   Call: (235) [system] char_type(' ', end_of_line)
   Call: (235) [system] ' '=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1716888)
   Call: (236) [system] get_char((0x56051b6b4f40), _1717818)
   Exit: (236) [system] get_char((0x56051b6b4f40), p)
   Call: (236) [system] char_type(p, end_of_line)
   Call: (236) [system] p=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1721532)
   Call: (237) [system] get_char((0x56051b6b4f40), _1722462)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] char_type(i, end_of_line)
   Call: (237) [system] i=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1726176)
   Call: (238) [system] get_char((0x56051b6b4f40), _1727106)
   Exit: (238) [system] get_char((0x56051b6b4f40), c)
   Call: (238) [system] char_type(c, end_of_line)
   Call: (238) [system] c=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1730820)
   Call: (239) [system] get_char((0x56051b6b4f40), _1731750)
   Exit: (239) [system] get_char((0x56051b6b4f40), k)
   Call: (239) [system] char_type(k, end_of_line)
   Call: (239) [system] k=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _1735464)
   Call: (240) [system] get_char((0x56051b6b4f40), _1736394)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
   Call: (240) [system] char_type(' ', end_of_line)
   Call: (240) [system] ' '=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _1740108)
   Call: (241) [system] get_char((0x56051b6b4f40), _1741038)
   Exit: (241) [system] get_char((0x56051b6b4f40), u)
   Call: (241) [system] char_type(u, end_of_line)
   Call: (241) [system] u=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _1744752)
   Call: (242) [system] get_char((0x56051b6b4f40), _1745682)
   Exit: (242) [system] get_char((0x56051b6b4f40), p)
   Call: (242) [system] char_type(p, end_of_line)
   Call: (242) [system] p=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _1749396)
   Call: (243) [system] get_char((0x56051b6b4f40), _1750326)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
   Call: (243) [system] char_type(' ', end_of_line)
   Call: (243) [system] ' '=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _1754040)
   Call: (244) [system] get_char((0x56051b6b4f40), _1754970)
   Exit: (244) [system] get_char((0x56051b6b4f40), a)
   Call: (244) [system] char_type(a, end_of_line)
   Call: (244) [system] a=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _1758684)
   Call: (245) [system] get_char((0x56051b6b4f40), _1759614)
   Exit: (245) [system] get_char((0x56051b6b4f40), '\n')
   Call: (245) [system] char_type('\n', end_of_line)
   Exit: (245) [system] char_type('\n', end_of_line)
   Call: (245) [system] _1758684=""
   Exit: (245) [system] ""=""
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (244) [system] string_concat(a, "", _1754040)
   Exit: (244) [system] string_concat(a, "", "a")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "a")
   Call: (243) [system] string_concat(' ', "a", _1749396)
   Exit: (243) [system] string_concat(' ', "a", " a")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), " a")
   Call: (242) [system] string_concat(p, " a", _1744752)
   Exit: (242) [system] string_concat(p, " a", "p a")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "p a")
   Call: (241) [system] string_concat(u, "p a", _1740108)
   Exit: (241) [system] string_concat(u, "p a", "up a")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "up a")
   Call: (240) [system] string_concat(' ', "up a", _1735464)
   Exit: (240) [system] string_concat(' ', "up a", " up a")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), " up a")
   Call: (239) [system] string_concat(k, " up a", _1730820)
   Exit: (239) [system] string_concat(k, " up a", "k up a")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "k up a")
   Call: (238) [system] string_concat(c, "k up a", _1726176)
   Exit: (238) [system] string_concat(c, "k up a", "ck up a")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "ck up a")
   Call: (237) [system] string_concat(i, "ck up a", _1721532)
   Exit: (237) [system] string_concat(i, "ck up a", "ick up a")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "ick up a")
   Call: (236) [system] string_concat(p, "ick up a", _1716888)
   Exit: (236) [system] string_concat(p, "ick up a", "pick up a")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "pick up a")
   Call: (235) [system] string_concat(' ', "pick up a", _1712244)
   Exit: (235) [system] string_concat(' ', "pick up a", " pick up a")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), " pick up a")
   Call: (234) [system] string_concat(y, " pick up a", _1707600)
   Exit: (234) [system] string_concat(y, " pick up a", "y pick up a")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "y pick up a")
   Call: (233) [system] string_concat(l, "y pick up a", _1702956)
   Exit: (233) [system] string_concat(l, "y pick up a", "ly pick up a")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "ly pick up a")
   Call: (232) [system] string_concat(l, "ly pick up a", _1698312)
   Exit: (232) [system] string_concat(l, "ly pick up a", "lly pick up a")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "lly pick up a")
   Call: (231) [system] string_concat(a, "lly pick up a", _1693668)
   Exit: (231) [system] string_concat(a, "lly pick up a", "ally pick up a")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "ally pick up a")
   Call: (230) [system] string_concat(c, "ally pick up a", _1689024)
   Exit: (230) [system] string_concat(c, "ally pick up a", "cally pick up a")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "cally pick up a")
   Call: (229) [system] string_concat(i, "cally pick up a", _1684380)
   Exit: (229) [system] string_concat(i, "cally pick up a", "ically pick up a")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "ically pick up a")
   Call: (228) [system] string_concat(t, "ically pick up a", _1679736)
   Exit: (228) [system] string_concat(t, "ically pick up a", "tically pick up a")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "tically pick up a")
   Call: (227) [system] string_concat(s, "tically pick up a", _1675092)
   Exit: (227) [system] string_concat(s, "tically pick up a", "stically pick up a")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "stically pick up a")
   Call: (226) [system] string_concat(i, "stically pick up a", _1670448)
   Exit: (226) [system] string_concat(i, "stically pick up a", "istically pick up a")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "istically pick up a")
   Call: (225) [system] string_concat(n, "istically pick up a", _1665804)
   Exit: (225) [system] string_concat(n, "istically pick up a", "nistically pick up a")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "nistically pick up a")
   Call: (224) [system] string_concat(i, "nistically pick up a", _1661160)
   Exit: (224) [system] string_concat(i, "nistically pick up a", "inistically pick up a")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "inistically pick up a")
   Call: (223) [system] string_concat(m, "inistically pick up a", _1656516)
   Exit: (223) [system] string_concat(m, "inistically pick up a", "ministically pick up a")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "ministically pick up a")
   Call: (222) [system] string_concat(r, "ministically pick up a", _1651872)
   Exit: (222) [system] string_concat(r, "ministically pick up a", "rministically pick up a")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "rministically pick up a")
   Call: (221) [system] string_concat(e, "rministically pick up a", _1647228)
   Exit: (221) [system] string_concat(e, "rministically pick up a", "erministically pick up a")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "erministically pick up a")
   Call: (220) [system] string_concat(t, "erministically pick up a", _1642584)
   Exit: (220) [system] string_concat(t, "erministically pick up a", "terministically pick up a")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "terministically pick up a")
   Call: (219) [system] string_concat(e, "terministically pick up a", _1637940)
   Exit: (219) [system] string_concat(e, "terministically pick up a", "eterministically pick up a")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "eterministically pick up a")
   Call: (218) [system] string_concat(d, "eterministically pick up a", _1633296)
   Exit: (218) [system] string_concat(d, "eterministically pick up a", "deterministically pick up a")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "deterministically pick up a")
   Call: (217) [system] string_concat(-, "deterministically pick up a", _1628652)
   Exit: (217) [system] string_concat(-, "deterministically pick up a", "-deterministically pick up a")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "-deterministically pick up a")
   Call: (216) [system] string_concat(n, "-deterministically pick up a", _1624008)
   Exit: (216) [system] string_concat(n, "-deterministically pick up a", "n-deterministically pick up a")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "n-deterministically pick up a")
   Call: (215) [system] string_concat(o, "n-deterministically pick up a", _1619364)
   Exit: (215) [system] string_concat(o, "n-deterministically pick up a", "on-deterministically pick up a")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "on-deterministically pick up a")
   Call: (214) [system] string_concat(n, "on-deterministically pick up a", _1614720)
   Exit: (214) [system] string_concat(n, "on-deterministically pick up a", "non-deterministically pick up a")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "non-deterministically pick up a")
   Call: (213) [system] string_concat(' ', "non-deterministically pick up a", _1610076)
   Exit: (213) [system] string_concat(' ', "non-deterministically pick up a", " non-deterministically pick up a")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), " non-deterministically pick up a")
   Call: (212) [system] string_concat(o, " non-deterministically pick up a", _1605432)
   Exit: (212) [system] string_concat(o, " non-deterministically pick up a", "o non-deterministically pick up a")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "o non-deterministically pick up a")
   Call: (211) [system] string_concat(t, "o non-deterministically pick up a", _1600788)
   Exit: (211) [system] string_concat(t, "o non-deterministically pick up a", "to non-deterministically pick up a")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "to non-deterministically pick up a")
   Call: (210) [system] string_concat(' ', "to non-deterministically pick up a", _1596144)
   Exit: (210) [system] string_concat(' ', "to non-deterministically pick up a", " to non-deterministically pick up a")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), " to non-deterministically pick up a")
   Call: (209) [system] string_concat('\t', " to non-deterministically pick up a", _1591500)
   Exit: (209) [system] string_concat('\t', " to non-deterministically pick up a", "\t to non-deterministically pick up a")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "\t to non-deterministically pick up a")
   Call: (208) [system] string_concat('\t', "\t to non-deterministically pick up a", _1586856)
   Exit: (208) [system] string_concat('\t', "\t to non-deterministically pick up a", "\t\t to non-deterministically pick up a")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), "\t\t to non-deterministically pick up a")
   Call: (207) [system] string_concat(;, "\t\t to non-deterministically pick up a", _1582212)
   Exit: (207) [system] string_concat(;, "\t\t to non-deterministically pick up a", ";\t\t to non-deterministically pick up a")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), ";\t\t to non-deterministically pick up a")
   Call: (206) [system] string_concat(;, ";\t\t to non-deterministically pick up a", _1577568)
   Exit: (206) [system] string_concat(;, ";\t\t to non-deterministically pick up a", ";;\t\t to non-deterministically pick up a")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), ";;\t\t to non-deterministically pick up a")
^  Call: (205) [user] assertz(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Exit: (205) [user] assertz(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Exit: (204) [user] read_comment((0x56051b6b4f40))
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1879138)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ;)
   Call: (205) [system] (;)=(;)
   Exit: (205) [system] (;)=(;)
^  Call: (205) [user] read_comment((0x56051b6b4f40))
^  Call: (206) [user] read_position((0x56051b6b4f40), _1883776, _1883778, _1883780, _1883782)
   Call: (207) [system] stream_property((0x56051b6b4f40), position(_1883782))
   Call: (208) [system] nonvar((0x56051b6b4f40))
   Exit: (208) [system] nonvar((0x56051b6b4f40))
   Call: (208) [system] nonvar(position(_1883782))
   Exit: (208) [system] nonvar(position(_1883782))
   Exit: (207) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1242, 40, 0, 1242)))
   Call: (207) [$syspreds] stream_position_data(line_count, '$stream_position'(1242, 40, 0, 1242), _1883776)
   Call: (208) [system] nonvar(line_count)
   Exit: (208) [system] nonvar(line_count)
   Call: (208) [$syspreds] stream_position_field(line_count, _1893070)
   Exit: (208) [$syspreds] stream_position_field(line_count, 2)
   Call: (208) [system] arg(2, '$stream_position'(1242, 40, 0, 1242), _1883776)
   Exit: (208) [system] arg(2, '$stream_position'(1242, 40, 0, 1242), 40)
   Exit: (207) [$syspreds] stream_position_data(line_count, '$stream_position'(1242, 40, 0, 1242), 40)
   Call: (207) [$syspreds] stream_position_data(line_position, '$stream_position'(1242, 40, 0, 1242), _1883778)
   Call: (208) [system] nonvar(line_position)
   Exit: (208) [system] nonvar(line_position)
   Call: (208) [$syspreds] stream_position_field(line_position, _1900504)
   Exit: (208) [$syspreds] stream_position_field(line_position, 3)
   Call: (208) [system] arg(3, '$stream_position'(1242, 40, 0, 1242), _1883778)
   Exit: (208) [system] arg(3, '$stream_position'(1242, 40, 0, 1242), 0)
   Exit: (207) [$syspreds] stream_position_data(line_position, '$stream_position'(1242, 40, 0, 1242), 0)
   Call: (207) [$syspreds] stream_position_data(char_count, '$stream_position'(1242, 40, 0, 1242), _1883780)
   Call: (208) [system] nonvar(char_count)
   Exit: (208) [system] nonvar(char_count)
   Call: (208) [$syspreds] stream_position_field(char_count, _1907938)
   Exit: (208) [$syspreds] stream_position_field(char_count, 1)
   Call: (208) [system] arg(1, '$stream_position'(1242, 40, 0, 1242), _1883780)
   Exit: (208) [system] arg(1, '$stream_position'(1242, 40, 0, 1242), 1242)
   Exit: (207) [$syspreds] stream_position_data(char_count, '$stream_position'(1242, 40, 0, 1242), 1242)
^  Exit: (206) [user] read_position((0x56051b6b4f40), 40, 0, 1242, '$stream_position'(1242, 40, 0, 1242))
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1913532)
   Call: (207) [system] get_char((0x56051b6b4f40), _1914462)
   Exit: (207) [system] get_char((0x56051b6b4f40), ;)
   Call: (207) [system] char_type(;, end_of_line)
   Call: (207) [system] (;)=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _1918176)
   Call: (208) [system] get_char((0x56051b6b4f40), _1919106)
   Exit: (208) [system] get_char((0x56051b6b4f40), ;)
   Call: (208) [system] char_type(;, end_of_line)
   Call: (208) [system] (;)=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _1922820)
   Call: (209) [system] get_char((0x56051b6b4f40), _1923750)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
   Call: (209) [system] char_type(' ', end_of_line)
   Call: (209) [system] ' '=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _1927464)
   Call: (210) [system] get_char((0x56051b6b4f40), _1928394)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
   Call: (210) [system] char_type(' ', end_of_line)
   Call: (210) [system] ' '=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1932108)
   Call: (211) [system] get_char((0x56051b6b4f40), _1933038)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
   Call: (211) [system] char_type(' ', end_of_line)
   Call: (211) [system] ' '=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1936752)
   Call: (212) [system] get_char((0x56051b6b4f40), _1937682)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
   Call: (212) [system] char_type(' ', end_of_line)
   Call: (212) [system] ' '=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1941396)
   Call: (213) [system] get_char((0x56051b6b4f40), _1942326)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1946040)
   Call: (214) [system] get_char((0x56051b6b4f40), _1946970)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
   Call: (214) [system] char_type(' ', end_of_line)
   Call: (214) [system] ' '=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1950684)
   Call: (215) [system] get_char((0x56051b6b4f40), _1951614)
   Exit: (215) [system] get_char((0x56051b6b4f40), r)
   Call: (215) [system] char_type(r, end_of_line)
   Call: (215) [system] r=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1955328)
   Call: (216) [system] get_char((0x56051b6b4f40), _1956258)
   Exit: (216) [system] get_char((0x56051b6b4f40), u)
   Call: (216) [system] char_type(u, end_of_line)
   Call: (216) [system] u=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1959972)
   Call: (217) [system] get_char((0x56051b6b4f40), _1960902)
   Exit: (217) [system] get_char((0x56051b6b4f40), l)
   Call: (217) [system] char_type(l, end_of_line)
   Call: (217) [system] l=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1964616)
   Call: (218) [system] get_char((0x56051b6b4f40), _1965546)
   Exit: (218) [system] get_char((0x56051b6b4f40), e)
   Call: (218) [system] char_type(e, end_of_line)
   Call: (218) [system] e=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1969260)
   Call: (219) [system] get_char((0x56051b6b4f40), _1970190)
   Exit: (219) [system] get_char((0x56051b6b4f40), '.')
   Call: (219) [system] char_type('.', end_of_line)
   Call: (219) [system] ('.')=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1973904)
   Call: (220) [system] get_char((0x56051b6b4f40), _1974834)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
   Call: (220) [system] char_type(' ', end_of_line)
   Call: (220) [system] ' '=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1978548)
   Call: (221) [system] get_char((0x56051b6b4f40), _1979478)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
   Call: (221) [system] char_type(' ', end_of_line)
   Call: (221) [system] ' '=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1983192)
   Call: (222) [system] get_char((0x56051b6b4f40), _1984122)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'A')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1987836)
   Call: (223) [system] get_char((0x56051b6b4f40), _1988766)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
   Call: (223) [system] char_type(' ', end_of_line)
   Call: (223) [system] ' '=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1992480)
   Call: (224) [system] get_char((0x56051b6b4f40), _1993410)
   Exit: (224) [system] get_char((0x56051b6b4f40), r)
   Call: (224) [system] char_type(r, end_of_line)
   Call: (224) [system] r=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1997124)
   Call: (225) [system] get_char((0x56051b6b4f40), _1998054)
   Exit: (225) [system] get_char((0x56051b6b4f40), u)
   Call: (225) [system] char_type(u, end_of_line)
   Call: (225) [system] u=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _2001768)
   Call: (226) [system] get_char((0x56051b6b4f40), _2002698)
   Exit: (226) [system] get_char((0x56051b6b4f40), l)
   Call: (226) [system] char_type(l, end_of_line)
   Call: (226) [system] l=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _2006412)
   Call: (227) [system] get_char((0x56051b6b4f40), _2007342)
   Exit: (227) [system] get_char((0x56051b6b4f40), e)
   Call: (227) [system] char_type(e, end_of_line)
   Call: (227) [system] e=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _2011056)
   Call: (228) [system] get_char((0x56051b6b4f40), _2011986)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
   Call: (228) [system] char_type(' ', end_of_line)
   Call: (228) [system] ' '=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _2015700)
   Call: (229) [system] get_char((0x56051b6b4f40), _2016630)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] char_type(i, end_of_line)
   Call: (229) [system] i=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _2020344)
   Call: (230) [system] get_char((0x56051b6b4f40), _2021274)
   Exit: (230) [system] get_char((0x56051b6b4f40), s)
   Call: (230) [system] char_type(s, end_of_line)
   Call: (230) [system] s=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _2024988)
   Call: (231) [system] get_char((0x56051b6b4f40), _2025918)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _2029632)
   Call: (232) [system] get_char((0x56051b6b4f40), _2030562)
   Exit: (232) [system] get_char((0x56051b6b4f40), a)
   Call: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] a=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _2034276)
   Call: (233) [system] get_char((0x56051b6b4f40), _2035206)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
   Call: (233) [system] char_type(' ', end_of_line)
   Call: (233) [system] ' '=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _2038920)
   Call: (234) [system] get_char((0x56051b6b4f40), _2039850)
   Exit: (234) [system] get_char((0x56051b6b4f40), f)
   Call: (234) [system] char_type(f, end_of_line)
   Call: (234) [system] f=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _2043564)
   Call: (235) [system] get_char((0x56051b6b4f40), _2044494)
   Exit: (235) [system] get_char((0x56051b6b4f40), u)
   Call: (235) [system] char_type(u, end_of_line)
   Call: (235) [system] u=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _2048208)
   Call: (236) [system] get_char((0x56051b6b4f40), _2049138)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] char_type(n, end_of_line)
   Call: (236) [system] n=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _2052852)
   Call: (237) [system] get_char((0x56051b6b4f40), _2053782)
   Exit: (237) [system] get_char((0x56051b6b4f40), c)
   Call: (237) [system] char_type(c, end_of_line)
   Call: (237) [system] c=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _2057496)
   Call: (238) [system] get_char((0x56051b6b4f40), _2058426)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] char_type(t, end_of_line)
   Call: (238) [system] t=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _2062140)
   Call: (239) [system] get_char((0x56051b6b4f40), _2063070)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] char_type(i, end_of_line)
   Call: (239) [system] i=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _2066784)
   Call: (240) [system] get_char((0x56051b6b4f40), _2067714)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] char_type(o, end_of_line)
   Call: (240) [system] o=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _2071428)
   Call: (241) [system] get_char((0x56051b6b4f40), _2072358)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] char_type(n, end_of_line)
   Call: (241) [system] n=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _2076072)
   Call: (242) [system] get_char((0x56051b6b4f40), _2077002)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
   Call: (242) [system] char_type(' ', end_of_line)
   Call: (242) [system] ' '=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _2080716)
   Call: (243) [system] get_char((0x56051b6b4f40), _2081646)
   Exit: (243) [system] get_char((0x56051b6b4f40), m)
   Call: (243) [system] char_type(m, end_of_line)
   Call: (243) [system] m=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _2085360)
   Call: (244) [system] get_char((0x56051b6b4f40), _2086290)
   Exit: (244) [system] get_char((0x56051b6b4f40), a)
   Call: (244) [system] char_type(a, end_of_line)
   Call: (244) [system] a=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _2090004)
   Call: (245) [system] get_char((0x56051b6b4f40), _2090934)
   Exit: (245) [system] get_char((0x56051b6b4f40), p)
   Call: (245) [system] char_type(p, end_of_line)
   Call: (245) [system] p=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _2094648)
   Call: (246) [system] get_char((0x56051b6b4f40), _2095578)
   Exit: (246) [system] get_char((0x56051b6b4f40), p)
   Call: (246) [system] char_type(p, end_of_line)
   Call: (246) [system] p=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _6068)
   Call: (247) [system] get_char((0x56051b6b4f40), _6998)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] char_type(i, end_of_line)
   Call: (247) [system] i=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _10712)
   Call: (248) [system] get_char((0x56051b6b4f40), _11642)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] char_type(n, end_of_line)
   Call: (248) [system] n=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _15356)
   Call: (249) [system] get_char((0x56051b6b4f40), _16286)
   Exit: (249) [system] get_char((0x56051b6b4f40), g)
   Call: (249) [system] char_type(g, end_of_line)
   Call: (249) [system] g=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _20000)
   Call: (250) [system] get_char((0x56051b6b4f40), _20930)
   Exit: (250) [system] get_char((0x56051b6b4f40), ' ')
   Call: (250) [system] char_type(' ', end_of_line)
   Call: (250) [system] ' '=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _24644)
   Call: (251) [system] get_char((0x56051b6b4f40), _25574)
   Exit: (251) [system] get_char((0x56051b6b4f40), p)
   Call: (251) [system] char_type(p, end_of_line)
   Call: (251) [system] p=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _29288)
   Call: (252) [system] get_char((0x56051b6b4f40), _30218)
   Exit: (252) [system] get_char((0x56051b6b4f40), r)
   Call: (252) [system] char_type(r, end_of_line)
   Call: (252) [system] r=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _33932)
   Call: (253) [system] get_char((0x56051b6b4f40), _34862)
   Exit: (253) [system] get_char((0x56051b6b4f40), e)
   Call: (253) [system] char_type(e, end_of_line)
   Call: (253) [system] e=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _38576)
   Call: (254) [system] get_char((0x56051b6b4f40), _39506)
   Exit: (254) [system] get_char((0x56051b6b4f40), m)
   Call: (254) [system] char_type(m, end_of_line)
   Call: (254) [system] m=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _43220)
   Call: (255) [system] get_char((0x56051b6b4f40), _44150)
   Exit: (255) [system] get_char((0x56051b6b4f40), i)
   Call: (255) [system] char_type(i, end_of_line)
   Call: (255) [system] i=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _47864)
   Call: (256) [system] get_char((0x56051b6b4f40), _48794)
   Exit: (256) [system] get_char((0x56051b6b4f40), s)
   Call: (256) [system] char_type(s, end_of_line)
   Call: (256) [system] s=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _52508)
   Call: (257) [system] get_char((0x56051b6b4f40), _53438)
   Exit: (257) [system] get_char((0x56051b6b4f40), e)
   Call: (257) [system] char_type(e, end_of_line)
   Call: (257) [system] e=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _57152)
   Call: (258) [system] get_char((0x56051b6b4f40), _58082)
   Exit: (258) [system] get_char((0x56051b6b4f40), s)
   Call: (258) [system] char_type(s, end_of_line)
   Call: (258) [system] s=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _61796)
   Call: (259) [system] get_char((0x56051b6b4f40), _62726)
   Exit: (259) [system] get_char((0x56051b6b4f40), ' ')
   Call: (259) [system] char_type(' ', end_of_line)
   Call: (259) [system] ' '=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _66440)
   Call: (260) [system] get_char((0x56051b6b4f40), _67370)
   Exit: (260) [system] get_char((0x56051b6b4f40), t)
   Call: (260) [system] char_type(t, end_of_line)
   Call: (260) [system] t=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _71084)
   Call: (261) [system] get_char((0x56051b6b4f40), _72014)
   Exit: (261) [system] get_char((0x56051b6b4f40), o)
   Call: (261) [system] char_type(o, end_of_line)
   Call: (261) [system] o=end_of_file
^  Call: (261) [user] read_until_eol((0x56051b6b4f40), _75728)
   Call: (262) [system] get_char((0x56051b6b4f40), _76658)
   Exit: (262) [system] get_char((0x56051b6b4f40), ' ')
   Call: (262) [system] char_type(' ', end_of_line)
   Call: (262) [system] ' '=end_of_file
^  Call: (262) [user] read_until_eol((0x56051b6b4f40), _80372)
   Call: (263) [system] get_char((0x56051b6b4f40), _81302)
   Exit: (263) [system] get_char((0x56051b6b4f40), c)
   Call: (263) [system] char_type(c, end_of_line)
   Call: (263) [system] c=end_of_file
^  Call: (263) [user] read_until_eol((0x56051b6b4f40), _85016)
   Call: (264) [system] get_char((0x56051b6b4f40), _85946)
   Exit: (264) [system] get_char((0x56051b6b4f40), o)
   Call: (264) [system] char_type(o, end_of_line)
   Call: (264) [system] o=end_of_file
^  Call: (264) [user] read_until_eol((0x56051b6b4f40), _89660)
   Call: (265) [system] get_char((0x56051b6b4f40), _90590)
   Exit: (265) [system] get_char((0x56051b6b4f40), n)
   Call: (265) [system] char_type(n, end_of_line)
   Call: (265) [system] n=end_of_file
^  Call: (265) [user] read_until_eol((0x56051b6b4f40), _94304)
   Call: (266) [system] get_char((0x56051b6b4f40), _95234)
   Exit: (266) [system] get_char((0x56051b6b4f40), c)
   Call: (266) [system] char_type(c, end_of_line)
   Call: (266) [system] c=end_of_file
^  Call: (266) [user] read_until_eol((0x56051b6b4f40), _98948)
   Call: (267) [system] get_char((0x56051b6b4f40), _99878)
   Exit: (267) [system] get_char((0x56051b6b4f40), l)
   Call: (267) [system] char_type(l, end_of_line)
   Call: (267) [system] l=end_of_file
^  Call: (267) [user] read_until_eol((0x56051b6b4f40), _103592)
   Call: (268) [system] get_char((0x56051b6b4f40), _104522)
   Exit: (268) [system] get_char((0x56051b6b4f40), u)
   Call: (268) [system] char_type(u, end_of_line)
   Call: (268) [system] u=end_of_file
^  Call: (268) [user] read_until_eol((0x56051b6b4f40), _108236)
   Call: (269) [system] get_char((0x56051b6b4f40), _109166)
   Exit: (269) [system] get_char((0x56051b6b4f40), s)
   Call: (269) [system] char_type(s, end_of_line)
   Call: (269) [system] s=end_of_file
^  Call: (269) [user] read_until_eol((0x56051b6b4f40), _112880)
   Call: (270) [system] get_char((0x56051b6b4f40), _113810)
   Exit: (270) [system] get_char((0x56051b6b4f40), i)
   Call: (270) [system] char_type(i, end_of_line)
   Call: (270) [system] i=end_of_file
^  Call: (270) [user] read_until_eol((0x56051b6b4f40), _117524)
   Call: (271) [system] get_char((0x56051b6b4f40), _118454)
   Exit: (271) [system] get_char((0x56051b6b4f40), o)
   Call: (271) [system] char_type(o, end_of_line)
   Call: (271) [system] o=end_of_file
^  Call: (271) [user] read_until_eol((0x56051b6b4f40), _122168)
   Call: (272) [system] get_char((0x56051b6b4f40), _123098)
   Exit: (272) [system] get_char((0x56051b6b4f40), n)
   Call: (272) [system] char_type(n, end_of_line)
   Call: (272) [system] n=end_of_file
^  Call: (272) [user] read_until_eol((0x56051b6b4f40), _126812)
   Call: (273) [system] get_char((0x56051b6b4f40), _127742)
   Exit: (273) [system] get_char((0x56051b6b4f40), '\n')
   Call: (273) [system] char_type('\n', end_of_line)
   Exit: (273) [system] char_type('\n', end_of_line)
   Call: (273) [system] _126812=""
   Exit: (273) [system] ""=""
^  Exit: (272) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (272) [system] string_concat(n, "", _122168)
   Exit: (272) [system] string_concat(n, "", "n")
^  Exit: (271) [user] read_until_eol((0x56051b6b4f40), "n")
   Call: (271) [system] string_concat(o, "n", _117524)
   Exit: (271) [system] string_concat(o, "n", "on")
^  Exit: (270) [user] read_until_eol((0x56051b6b4f40), "on")
   Call: (270) [system] string_concat(i, "on", _112880)
   Exit: (270) [system] string_concat(i, "on", "ion")
^  Exit: (269) [user] read_until_eol((0x56051b6b4f40), "ion")
   Call: (269) [system] string_concat(s, "ion", _108236)
   Exit: (269) [system] string_concat(s, "ion", "sion")
^  Exit: (268) [user] read_until_eol((0x56051b6b4f40), "sion")
   Call: (268) [system] string_concat(u, "sion", _103592)
   Exit: (268) [system] string_concat(u, "sion", "usion")
^  Exit: (267) [user] read_until_eol((0x56051b6b4f40), "usion")
   Call: (267) [system] string_concat(l, "usion", _98948)
   Exit: (267) [system] string_concat(l, "usion", "lusion")
^  Exit: (266) [user] read_until_eol((0x56051b6b4f40), "lusion")
   Call: (266) [system] string_concat(c, "lusion", _94304)
   Exit: (266) [system] string_concat(c, "lusion", "clusion")
^  Exit: (265) [user] read_until_eol((0x56051b6b4f40), "clusion")
   Call: (265) [system] string_concat(n, "clusion", _89660)
   Exit: (265) [system] string_concat(n, "clusion", "nclusion")
^  Exit: (264) [user] read_until_eol((0x56051b6b4f40), "nclusion")
   Call: (264) [system] string_concat(o, "nclusion", _85016)
   Exit: (264) [system] string_concat(o, "nclusion", "onclusion")
^  Exit: (263) [user] read_until_eol((0x56051b6b4f40), "onclusion")
   Call: (263) [system] string_concat(c, "onclusion", _80372)
   Exit: (263) [system] string_concat(c, "onclusion", "conclusion")
^  Exit: (262) [user] read_until_eol((0x56051b6b4f40), "conclusion")
   Call: (262) [system] string_concat(' ', "conclusion", _75728)
   Exit: (262) [system] string_concat(' ', "conclusion", " conclusion")
^  Exit: (261) [user] read_until_eol((0x56051b6b4f40), " conclusion")
   Call: (261) [system] string_concat(o, " conclusion", _71084)
   Exit: (261) [system] string_concat(o, " conclusion", "o conclusion")
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), "o conclusion")
   Call: (260) [system] string_concat(t, "o conclusion", _66440)
   Exit: (260) [system] string_concat(t, "o conclusion", "to conclusion")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), "to conclusion")
   Call: (259) [system] string_concat(' ', "to conclusion", _61796)
   Exit: (259) [system] string_concat(' ', "to conclusion", " to conclusion")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), " to conclusion")
   Call: (258) [system] string_concat(s, " to conclusion", _57152)
   Exit: (258) [system] string_concat(s, " to conclusion", "s to conclusion")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "s to conclusion")
   Call: (257) [system] string_concat(e, "s to conclusion", _52508)
   Exit: (257) [system] string_concat(e, "s to conclusion", "es to conclusion")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "es to conclusion")
   Call: (256) [system] string_concat(s, "es to conclusion", _47864)
   Exit: (256) [system] string_concat(s, "es to conclusion", "ses to conclusion")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "ses to conclusion")
   Call: (255) [system] string_concat(i, "ses to conclusion", _43220)
   Exit: (255) [system] string_concat(i, "ses to conclusion", "ises to conclusion")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "ises to conclusion")
   Call: (254) [system] string_concat(m, "ises to conclusion", _38576)
   Exit: (254) [system] string_concat(m, "ises to conclusion", "mises to conclusion")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "mises to conclusion")
   Call: (253) [system] string_concat(e, "mises to conclusion", _33932)
   Exit: (253) [system] string_concat(e, "mises to conclusion", "emises to conclusion")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), "emises to conclusion")
   Call: (252) [system] string_concat(r, "emises to conclusion", _29288)
   Exit: (252) [system] string_concat(r, "emises to conclusion", "remises to conclusion")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), "remises to conclusion")
   Call: (251) [system] string_concat(p, "remises to conclusion", _24644)
   Exit: (251) [system] string_concat(p, "remises to conclusion", "premises to conclusion")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "premises to conclusion")
   Call: (250) [system] string_concat(' ', "premises to conclusion", _20000)
   Exit: (250) [system] string_concat(' ', "premises to conclusion", " premises to conclusion")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), " premises to conclusion")
   Call: (249) [system] string_concat(g, " premises to conclusion", _15356)
   Exit: (249) [system] string_concat(g, " premises to conclusion", "g premises to conclusion")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "g premises to conclusion")
   Call: (248) [system] string_concat(n, "g premises to conclusion", _10712)
   Exit: (248) [system] string_concat(n, "g premises to conclusion", "ng premises to conclusion")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "ng premises to conclusion")
   Call: (247) [system] string_concat(i, "ng premises to conclusion", _6068)
   Exit: (247) [system] string_concat(i, "ng premises to conclusion", "ing premises to conclusion")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "ing premises to conclusion")
   Call: (246) [system] string_concat(p, "ing premises to conclusion", _3572)
   Exit: (246) [system] string_concat(p, "ing premises to conclusion", "ping premises to conclusion")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "ping premises to conclusion")
   Call: (245) [system] string_concat(p, "ping premises to conclusion", _3568)
   Exit: (245) [system] string_concat(p, "ping premises to conclusion", "pping premises to conclusion")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "pping premises to conclusion")
   Call: (244) [system] string_concat(a, "pping premises to conclusion", _3564)
   Exit: (244) [system] string_concat(a, "pping premises to conclusion", "apping premises to conclusion")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "apping premises to conclusion")
   Call: (243) [system] string_concat(m, "apping premises to conclusion", _3560)
   Exit: (243) [system] string_concat(m, "apping premises to conclusion", "mapping premises to conclusion")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "mapping premises to conclusion")
   Call: (242) [system] string_concat(' ', "mapping premises to conclusion", _3556)
   Exit: (242) [system] string_concat(' ', "mapping premises to conclusion", " mapping premises to conclusion")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), " mapping premises to conclusion")
   Call: (241) [system] string_concat(n, " mapping premises to conclusion", _3552)
   Exit: (241) [system] string_concat(n, " mapping premises to conclusion", "n mapping premises to conclusion")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "n mapping premises to conclusion")
   Call: (240) [system] string_concat(o, "n mapping premises to conclusion", _3548)
   Exit: (240) [system] string_concat(o, "n mapping premises to conclusion", "on mapping premises to conclusion")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "on mapping premises to conclusion")
   Call: (239) [system] string_concat(i, "on mapping premises to conclusion", _3544)
   Exit: (239) [system] string_concat(i, "on mapping premises to conclusion", "ion mapping premises to conclusion")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "ion mapping premises to conclusion")
   Call: (238) [system] string_concat(t, "ion mapping premises to conclusion", _3540)
   Exit: (238) [system] string_concat(t, "ion mapping premises to conclusion", "tion mapping premises to conclusion")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "tion mapping premises to conclusion")
   Call: (237) [system] string_concat(c, "tion mapping premises to conclusion", _3536)
   Exit: (237) [system] string_concat(c, "tion mapping premises to conclusion", "ction mapping premises to conclusion")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "ction mapping premises to conclusion")
   Call: (236) [system] string_concat(n, "ction mapping premises to conclusion", _3532)
   Exit: (236) [system] string_concat(n, "ction mapping premises to conclusion", "nction mapping premises to conclusion")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "nction mapping premises to conclusion")
   Call: (235) [system] string_concat(u, "nction mapping premises to conclusion", _3528)
   Exit: (235) [system] string_concat(u, "nction mapping premises to conclusion", "unction mapping premises to conclusion")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "unction mapping premises to conclusion")
   Call: (234) [system] string_concat(f, "unction mapping premises to conclusion", _3524)
   Exit: (234) [system] string_concat(f, "unction mapping premises to conclusion", "function mapping premises to conclusion")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "function mapping premises to conclusion")
   Call: (233) [system] string_concat(' ', "function mapping premises to conclusion", _3520)
   Exit: (233) [system] string_concat(' ', "function mapping premises to conclusion", " function mapping premises to conclusion")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), " function mapping premises to conclusion")
   Call: (232) [system] string_concat(a, " function mapping premises to conclusion", _3516)
   Exit: (232) [system] string_concat(a, " function mapping premises to conclusion", "a function mapping premises to conclusion")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "a function mapping premises to conclusion")
   Call: (231) [system] string_concat(' ', "a function mapping premises to conclusion", _3512)
   Exit: (231) [system] string_concat(' ', "a function mapping premises to conclusion", " a function mapping premises to conclusion")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), " a function mapping premises to conclusion")
   Call: (230) [system] string_concat(s, " a function mapping premises to conclusion", _3508)
   Exit: (230) [system] string_concat(s, " a function mapping premises to conclusion", "s a function mapping premises to conclusion")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "s a function mapping premises to conclusion")
   Call: (229) [system] string_concat(i, "s a function mapping premises to conclusion", _3504)
   Exit: (229) [system] string_concat(i, "s a function mapping premises to conclusion", "is a function mapping premises to conclusion")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "is a function mapping premises to conclusion")
   Call: (228) [system] string_concat(' ', "is a function mapping premises to conclusion", _3500)
   Exit: (228) [system] string_concat(' ', "is a function mapping premises to conclusion", " is a function mapping premises to conclusion")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), " is a function mapping premises to conclusion")
   Call: (227) [system] string_concat(e, " is a function mapping premises to conclusion", _3496)
   Exit: (227) [system] string_concat(e, " is a function mapping premises to conclusion", "e is a function mapping premises to conclusion")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "e is a function mapping premises to conclusion")
   Call: (226) [system] string_concat(l, "e is a function mapping premises to conclusion", _3492)
   Exit: (226) [system] string_concat(l, "e is a function mapping premises to conclusion", "le is a function mapping premises to conclusion")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "le is a function mapping premises to conclusion")
   Call: (225) [system] string_concat(u, "le is a function mapping premises to conclusion", _3488)
   Exit: (225) [system] string_concat(u, "le is a function mapping premises to conclusion", "ule is a function mapping premises to conclusion")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "ule is a function mapping premises to conclusion")
   Call: (224) [system] string_concat(r, "ule is a function mapping premises to conclusion", _3484)
   Exit: (224) [system] string_concat(r, "ule is a function mapping premises to conclusion", "rule is a function mapping premises to conclusion")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "rule is a function mapping premises to conclusion")
   Call: (223) [system] string_concat(' ', "rule is a function mapping premises to conclusion", _3480)
   Exit: (223) [system] string_concat(' ', "rule is a function mapping premises to conclusion", " rule is a function mapping premises to conclusion")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), " rule is a function mapping premises to conclusion")
   Call: (222) [system] string_concat('A', " rule is a function mapping premises to conclusion", _3476)
   Exit: (222) [system] string_concat('A', " rule is a function mapping premises to conclusion", "A rule is a function mapping premises to conclusion")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "A rule is a function mapping premises to conclusion")
   Call: (221) [system] string_concat(' ', "A rule is a function mapping premises to conclusion", _3472)
   Exit: (221) [system] string_concat(' ', "A rule is a function mapping premises to conclusion", " A rule is a function mapping premises to conclusion")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), " A rule is a function mapping premises to conclusion")
   Call: (220) [system] string_concat(' ', " A rule is a function mapping premises to conclusion", _3468)
   Exit: (220) [system] string_concat(' ', " A rule is a function mapping premises to conclusion", "  A rule is a function mapping premises to conclusion")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "  A rule is a function mapping premises to conclusion")
   Call: (219) [system] string_concat('.', "  A rule is a function mapping premises to conclusion", _3464)
   Exit: (219) [system] string_concat('.', "  A rule is a function mapping premises to conclusion", ".  A rule is a function mapping premises to conclusion")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), ".  A rule is a function mapping premises to conclusion")
   Call: (218) [system] string_concat(e, ".  A rule is a function mapping premises to conclusion", _3460)
   Exit: (218) [system] string_concat(e, ".  A rule is a function mapping premises to conclusion", "e.  A rule is a function mapping premises to conclusion")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "e.  A rule is a function mapping premises to conclusion")
   Call: (217) [system] string_concat(l, "e.  A rule is a function mapping premises to conclusion", _3456)
   Exit: (217) [system] string_concat(l, "e.  A rule is a function mapping premises to conclusion", "le.  A rule is a function mapping premises to conclusion")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "le.  A rule is a function mapping premises to conclusion")
   Call: (216) [system] string_concat(u, "le.  A rule is a function mapping premises to conclusion", _3452)
   Exit: (216) [system] string_concat(u, "le.  A rule is a function mapping premises to conclusion", "ule.  A rule is a function mapping premises to conclusion")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "ule.  A rule is a function mapping premises to conclusion")
   Call: (215) [system] string_concat(r, "ule.  A rule is a function mapping premises to conclusion", _3448)
   Exit: (215) [system] string_concat(r, "ule.  A rule is a function mapping premises to conclusion", "rule.  A rule is a function mapping premises to conclusion")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "rule.  A rule is a function mapping premises to conclusion")
   Call: (214) [system] string_concat(' ', "rule.  A rule is a function mapping premises to conclusion", _3444)
   Exit: (214) [system] string_concat(' ', "rule.  A rule is a function mapping premises to conclusion", " rule.  A rule is a function mapping premises to conclusion")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), " rule.  A rule is a function mapping premises to conclusion")
   Call: (213) [system] string_concat(' ', " rule.  A rule is a function mapping premises to conclusion", _3440)
   Exit: (213) [system] string_concat(' ', " rule.  A rule is a function mapping premises to conclusion", "  rule.  A rule is a function mapping premises to conclusion")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "  rule.  A rule is a function mapping premises to conclusion")
   Call: (212) [system] string_concat(' ', "  rule.  A rule is a function mapping premises to conclusion", _3436)
   Exit: (212) [system] string_concat(' ', "  rule.  A rule is a function mapping premises to conclusion", "   rule.  A rule is a function mapping premises to conclusion")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "   rule.  A rule is a function mapping premises to conclusion")
   Call: (211) [system] string_concat(' ', "   rule.  A rule is a function mapping premises to conclusion", _3432)
   Exit: (211) [system] string_concat(' ', "   rule.  A rule is a function mapping premises to conclusion", "    rule.  A rule is a function mapping premises to conclusion")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "    rule.  A rule is a function mapping premises to conclusion")
   Call: (210) [system] string_concat(' ', "    rule.  A rule is a function mapping premises to conclusion", _3428)
   Exit: (210) [system] string_concat(' ', "    rule.  A rule is a function mapping premises to conclusion", "     rule.  A rule is a function mapping premises to conclusion")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "     rule.  A rule is a function mapping premises to conclusion")
   Call: (209) [system] string_concat(' ', "     rule.  A rule is a function mapping premises to conclusion", _3424)
   Exit: (209) [system] string_concat(' ', "     rule.  A rule is a function mapping premises to conclusion", "      rule.  A rule is a function mapping premises to conclusion")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "      rule.  A rule is a function mapping premises to conclusion")
   Call: (208) [system] string_concat(;, "      rule.  A rule is a function mapping premises to conclusion", _3420)
   Exit: (208) [system] string_concat(;, "      rule.  A rule is a function mapping premises to conclusion", ";      rule.  A rule is a function mapping premises to conclusion")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), ";      rule.  A rule is a function mapping premises to conclusion")
   Call: (207) [system] string_concat(;, ";      rule.  A rule is a function mapping premises to conclusion", _3416)
   Exit: (207) [system] string_concat(;, ";      rule.  A rule is a function mapping premises to conclusion", ";;      rule.  A rule is a function mapping premises to conclusion")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), ";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (206) [user] assertz(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Exit: (206) [user] assertz(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Exit: (205) [user] read_comment((0x56051b6b4f40))
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _323154)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ;)
   Call: (206) [system] (;)=(;)
   Exit: (206) [system] (;)=(;)
^  Call: (206) [user] read_comment((0x56051b6b4f40))
^  Call: (207) [user] read_position((0x56051b6b4f40), _327792, _327794, _327796, _327798)
   Call: (208) [system] stream_property((0x56051b6b4f40), position(_327798))
   Call: (209) [system] nonvar((0x56051b6b4f40))
   Exit: (209) [system] nonvar((0x56051b6b4f40))
   Call: (209) [system] nonvar(position(_327798))
   Exit: (209) [system] nonvar(position(_327798))
   Exit: (208) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1309, 41, 0, 1309)))
   Call: (208) [$syspreds] stream_position_data(line_count, '$stream_position'(1309, 41, 0, 1309), _327792)
   Call: (209) [system] nonvar(line_count)
   Exit: (209) [system] nonvar(line_count)
   Call: (209) [$syspreds] stream_position_field(line_count, _337086)
   Exit: (209) [$syspreds] stream_position_field(line_count, 2)
   Call: (209) [system] arg(2, '$stream_position'(1309, 41, 0, 1309), _327792)
   Exit: (209) [system] arg(2, '$stream_position'(1309, 41, 0, 1309), 41)
   Exit: (208) [$syspreds] stream_position_data(line_count, '$stream_position'(1309, 41, 0, 1309), 41)
   Call: (208) [$syspreds] stream_position_data(line_position, '$stream_position'(1309, 41, 0, 1309), _327794)
   Call: (209) [system] nonvar(line_position)
   Exit: (209) [system] nonvar(line_position)
   Call: (209) [$syspreds] stream_position_field(line_position, _344520)
   Exit: (209) [$syspreds] stream_position_field(line_position, 3)
   Call: (209) [system] arg(3, '$stream_position'(1309, 41, 0, 1309), _327794)
   Exit: (209) [system] arg(3, '$stream_position'(1309, 41, 0, 1309), 0)
   Exit: (208) [$syspreds] stream_position_data(line_position, '$stream_position'(1309, 41, 0, 1309), 0)
   Call: (208) [$syspreds] stream_position_data(char_count, '$stream_position'(1309, 41, 0, 1309), _327796)
   Call: (209) [system] nonvar(char_count)
   Exit: (209) [system] nonvar(char_count)
   Call: (209) [$syspreds] stream_position_field(char_count, _351954)
   Exit: (209) [$syspreds] stream_position_field(char_count, 1)
   Call: (209) [system] arg(1, '$stream_position'(1309, 41, 0, 1309), _327796)
   Exit: (209) [system] arg(1, '$stream_position'(1309, 41, 0, 1309), 1309)
   Exit: (208) [$syspreds] stream_position_data(char_count, '$stream_position'(1309, 41, 0, 1309), 1309)
^  Exit: (207) [user] read_position((0x56051b6b4f40), 41, 0, 1309, '$stream_position'(1309, 41, 0, 1309))
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _357548)
   Call: (208) [system] get_char((0x56051b6b4f40), _358478)
   Exit: (208) [system] get_char((0x56051b6b4f40), ;)
   Call: (208) [system] char_type(;, end_of_line)
   Call: (208) [system] (;)=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _362192)
   Call: (209) [system] get_char((0x56051b6b4f40), _363122)
   Exit: (209) [system] get_char((0x56051b6b4f40), ;)
   Call: (209) [system] char_type(;, end_of_line)
   Call: (209) [system] (;)=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _366836)
   Call: (210) [system] get_char((0x56051b6b4f40), _367766)
   Exit: (210) [system] get_char((0x56051b6b4f40), '\t')
   Call: (210) [system] char_type('\t', end_of_line)
   Call: (210) [system] '\t'=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _371480)
   Call: (211) [system] get_char((0x56051b6b4f40), _372410)
   Exit: (211) [system] get_char((0x56051b6b4f40), '\t')
   Call: (211) [system] char_type('\t', end_of_line)
   Call: (211) [system] '\t'=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _376124)
   Call: (212) [system] get_char((0x56051b6b4f40), _377054)
   Exit: (212) [system] get_char((0x56051b6b4f40), '\n')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
   Call: (212) [system] _376124=""
   Exit: (212) [system] ""=""
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (211) [system] string_concat('\t', "", _371480)
   Exit: (211) [system] string_concat('\t', "", "\t")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "\t")
   Call: (210) [system] string_concat('\t', "\t", _366836)
   Exit: (210) [system] string_concat('\t', "\t", "\t\t")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "\t\t")
   Call: (209) [system] string_concat(;, "\t\t", _362192)
   Exit: (209) [system] string_concat(;, "\t\t", ";\t\t")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), ";\t\t")
   Call: (208) [system] string_concat(;, ";\t\t", _357548)
   Exit: (208) [system] string_concat(;, ";\t\t", ";;\t\t")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), ";;\t\t")
^  Call: (207) [user] assertz(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Exit: (207) [user] assertz(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Exit: (206) [user] read_comment((0x56051b6b4f40))
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _398478)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ;)
   Call: (207) [system] (;)=(;)
   Exit: (207) [system] (;)=(;)
^  Call: (207) [user] read_comment((0x56051b6b4f40))
^  Call: (208) [user] read_position((0x56051b6b4f40), _403116, _403118, _403120, _403122)
   Call: (209) [system] stream_property((0x56051b6b4f40), position(_403122))
   Call: (210) [system] nonvar((0x56051b6b4f40))
   Exit: (210) [system] nonvar((0x56051b6b4f40))
   Call: (210) [system] nonvar(position(_403122))
   Exit: (210) [system] nonvar(position(_403122))
   Exit: (209) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1314, 42, 0, 1314)))
   Call: (209) [$syspreds] stream_position_data(line_count, '$stream_position'(1314, 42, 0, 1314), _403116)
   Call: (210) [system] nonvar(line_count)
   Exit: (210) [system] nonvar(line_count)
   Call: (210) [$syspreds] stream_position_field(line_count, _412410)
   Exit: (210) [$syspreds] stream_position_field(line_count, 2)
   Call: (210) [system] arg(2, '$stream_position'(1314, 42, 0, 1314), _403116)
   Exit: (210) [system] arg(2, '$stream_position'(1314, 42, 0, 1314), 42)
   Exit: (209) [$syspreds] stream_position_data(line_count, '$stream_position'(1314, 42, 0, 1314), 42)
   Call: (209) [$syspreds] stream_position_data(line_position, '$stream_position'(1314, 42, 0, 1314), _403118)
   Call: (210) [system] nonvar(line_position)
   Exit: (210) [system] nonvar(line_position)
   Call: (210) [$syspreds] stream_position_field(line_position, _419844)
   Exit: (210) [$syspreds] stream_position_field(line_position, 3)
   Call: (210) [system] arg(3, '$stream_position'(1314, 42, 0, 1314), _403118)
   Exit: (210) [system] arg(3, '$stream_position'(1314, 42, 0, 1314), 0)
   Exit: (209) [$syspreds] stream_position_data(line_position, '$stream_position'(1314, 42, 0, 1314), 0)
   Call: (209) [$syspreds] stream_position_data(char_count, '$stream_position'(1314, 42, 0, 1314), _403120)
   Call: (210) [system] nonvar(char_count)
   Exit: (210) [system] nonvar(char_count)
   Call: (210) [$syspreds] stream_position_field(char_count, _427278)
   Exit: (210) [$syspreds] stream_position_field(char_count, 1)
   Call: (210) [system] arg(1, '$stream_position'(1314, 42, 0, 1314), _403120)
   Exit: (210) [system] arg(1, '$stream_position'(1314, 42, 0, 1314), 1314)
   Exit: (209) [$syspreds] stream_position_data(char_count, '$stream_position'(1314, 42, 0, 1314), 1314)
^  Exit: (208) [user] read_position((0x56051b6b4f40), 42, 0, 1314, '$stream_position'(1314, 42, 0, 1314))
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _432872)
   Call: (209) [system] get_char((0x56051b6b4f40), _433802)
   Exit: (209) [system] get_char((0x56051b6b4f40), ;)
   Call: (209) [system] char_type(;, end_of_line)
   Call: (209) [system] (;)=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _437516)
   Call: (210) [system] get_char((0x56051b6b4f40), _438446)
   Exit: (210) [system] get_char((0x56051b6b4f40), ;)
   Call: (210) [system] char_type(;, end_of_line)
   Call: (210) [system] (;)=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _442160)
   Call: (211) [system] get_char((0x56051b6b4f40), _443090)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
   Call: (211) [system] char_type(' ', end_of_line)
   Call: (211) [system] ' '=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _446804)
   Call: (212) [system] get_char((0x56051b6b4f40), _447734)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
   Call: (212) [system] char_type(' ', end_of_line)
   Call: (212) [system] ' '=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _451448)
   Call: (213) [system] get_char((0x56051b6b4f40), _452378)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _456092)
   Call: (214) [system] get_char((0x56051b6b4f40), _457022)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
   Call: (214) [system] char_type(' ', end_of_line)
   Call: (214) [system] ' '=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _460736)
   Call: (215) [system] get_char((0x56051b6b4f40), _461666)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
   Call: (215) [system] char_type(' ', end_of_line)
   Call: (215) [system] ' '=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _465380)
   Call: (216) [system] get_char((0x56051b6b4f40), _466310)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _470024)
   Call: (217) [system] get_char((0x56051b6b4f40), _470954)
   Exit: (217) [system] get_char((0x56051b6b4f40), w)
   Call: (217) [system] char_type(w, end_of_line)
   Call: (217) [system] w=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _474668)
   Call: (218) [system] get_char((0x56051b6b4f40), _475598)
   Exit: (218) [system] get_char((0x56051b6b4f40), h)
   Call: (218) [system] char_type(h, end_of_line)
   Call: (218) [system] h=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _479312)
   Call: (219) [system] get_char((0x56051b6b4f40), _480242)
   Exit: (219) [system] get_char((0x56051b6b4f40), e)
   Call: (219) [system] char_type(e, end_of_line)
   Call: (219) [system] e=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _483956)
   Call: (220) [system] get_char((0x56051b6b4f40), _484886)
   Exit: (220) [system] get_char((0x56051b6b4f40), r)
   Call: (220) [system] char_type(r, end_of_line)
   Call: (220) [system] r=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _488600)
   Call: (221) [system] get_char((0x56051b6b4f40), _489530)
   Exit: (221) [system] get_char((0x56051b6b4f40), e)
   Call: (221) [system] char_type(e, end_of_line)
   Call: (221) [system] e=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _493244)
   Call: (222) [system] get_char((0x56051b6b4f40), _494174)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
   Call: (222) [system] char_type(' ', end_of_line)
   Call: (222) [system] ' '=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _497888)
   Call: (223) [system] get_char((0x56051b6b4f40), _498818)
   Exit: (223) [system] get_char((0x56051b6b4f40), p)
   Call: (223) [system] char_type(p, end_of_line)
   Call: (223) [system] p=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _502532)
   Call: (224) [system] get_char((0x56051b6b4f40), _503462)
   Exit: (224) [system] get_char((0x56051b6b4f40), r)
   Call: (224) [system] char_type(r, end_of_line)
   Call: (224) [system] r=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _507176)
   Call: (225) [system] get_char((0x56051b6b4f40), _508106)
   Exit: (225) [system] get_char((0x56051b6b4f40), e)
   Call: (225) [system] char_type(e, end_of_line)
   Call: (225) [system] e=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _511820)
   Call: (226) [system] get_char((0x56051b6b4f40), _512750)
   Exit: (226) [system] get_char((0x56051b6b4f40), m)
   Call: (226) [system] char_type(m, end_of_line)
   Call: (226) [system] m=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _516464)
   Call: (227) [system] get_char((0x56051b6b4f40), _517394)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] char_type(i, end_of_line)
   Call: (227) [system] i=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _521108)
   Call: (228) [system] get_char((0x56051b6b4f40), _522038)
   Exit: (228) [system] get_char((0x56051b6b4f40), s)
   Call: (228) [system] char_type(s, end_of_line)
   Call: (228) [system] s=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _525752)
   Call: (229) [system] get_char((0x56051b6b4f40), _526682)
   Exit: (229) [system] get_char((0x56051b6b4f40), e)
   Call: (229) [system] char_type(e, end_of_line)
   Call: (229) [system] e=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _530396)
   Call: (230) [system] get_char((0x56051b6b4f40), _531326)
   Exit: (230) [system] get_char((0x56051b6b4f40), s)
   Call: (230) [system] char_type(s, end_of_line)
   Call: (230) [system] s=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _535040)
   Call: (231) [system] get_char((0x56051b6b4f40), _535970)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
   Call: (231) [system] char_type(' ', end_of_line)
   Call: (231) [system] ' '=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _539684)
   Call: (232) [system] get_char((0x56051b6b4f40), _540614)
   Exit: (232) [system] get_char((0x56051b6b4f40), a)
   Call: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] a=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _544328)
   Call: (233) [system] get_char((0x56051b6b4f40), _545258)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] char_type(n, end_of_line)
   Call: (233) [system] n=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _548972)
   Call: (234) [system] get_char((0x56051b6b4f40), _549902)
   Exit: (234) [system] get_char((0x56051b6b4f40), d)
   Call: (234) [system] char_type(d, end_of_line)
   Call: (234) [system] d=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _553616)
   Call: (235) [system] get_char((0x56051b6b4f40), _554546)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
   Call: (235) [system] char_type(' ', end_of_line)
   Call: (235) [system] ' '=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _558260)
   Call: (236) [system] get_char((0x56051b6b4f40), _559190)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] char_type(c, end_of_line)
   Call: (236) [system] c=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _562904)
   Call: (237) [system] get_char((0x56051b6b4f40), _563834)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] char_type(o, end_of_line)
   Call: (237) [system] o=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _567548)
   Call: (238) [system] get_char((0x56051b6b4f40), _568478)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] char_type(n, end_of_line)
   Call: (238) [system] n=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _572192)
   Call: (239) [system] get_char((0x56051b6b4f40), _573122)
   Exit: (239) [system] get_char((0x56051b6b4f40), c)
   Call: (239) [system] char_type(c, end_of_line)
   Call: (239) [system] c=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _576836)
   Call: (240) [system] get_char((0x56051b6b4f40), _577766)
   Exit: (240) [system] get_char((0x56051b6b4f40), l)
   Call: (240) [system] char_type(l, end_of_line)
   Call: (240) [system] l=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _581480)
   Call: (241) [system] get_char((0x56051b6b4f40), _582410)
   Exit: (241) [system] get_char((0x56051b6b4f40), u)
   Call: (241) [system] char_type(u, end_of_line)
   Call: (241) [system] u=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _586124)
   Call: (242) [system] get_char((0x56051b6b4f40), _587054)
   Exit: (242) [system] get_char((0x56051b6b4f40), s)
   Call: (242) [system] char_type(s, end_of_line)
   Call: (242) [system] s=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _590768)
   Call: (243) [system] get_char((0x56051b6b4f40), _591698)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] char_type(i, end_of_line)
   Call: (243) [system] i=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _595412)
   Call: (244) [system] get_char((0x56051b6b4f40), _596342)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] char_type(o, end_of_line)
   Call: (244) [system] o=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _600056)
   Call: (245) [system] get_char((0x56051b6b4f40), _600986)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] char_type(n, end_of_line)
   Call: (245) [system] n=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _604700)
   Call: (246) [system] get_char((0x56051b6b4f40), _605630)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
   Call: (246) [system] char_type(' ', end_of_line)
   Call: (246) [system] ' '=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _609344)
   Call: (247) [system] get_char((0x56051b6b4f40), _610274)
   Exit: (247) [system] get_char((0x56051b6b4f40), h)
   Call: (247) [system] char_type(h, end_of_line)
   Call: (247) [system] h=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _613988)
   Call: (248) [system] get_char((0x56051b6b4f40), _614918)
   Exit: (248) [system] get_char((0x56051b6b4f40), a)
   Call: (248) [system] char_type(a, end_of_line)
   Call: (248) [system] a=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _618632)
   Call: (249) [system] get_char((0x56051b6b4f40), _619562)
   Exit: (249) [system] get_char((0x56051b6b4f40), v)
   Call: (249) [system] char_type(v, end_of_line)
   Call: (249) [system] v=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _623276)
   Call: (250) [system] get_char((0x56051b6b4f40), _624206)
   Exit: (250) [system] get_char((0x56051b6b4f40), e)
   Call: (250) [system] char_type(e, end_of_line)
   Call: (250) [system] e=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _627920)
   Call: (251) [system] get_char((0x56051b6b4f40), _628850)
   Exit: (251) [system] get_char((0x56051b6b4f40), ' ')
   Call: (251) [system] char_type(' ', end_of_line)
   Call: (251) [system] ' '=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _632564)
   Call: (252) [system] get_char((0x56051b6b4f40), _633494)
   Exit: (252) [system] get_char((0x56051b6b4f40), t)
   Call: (252) [system] char_type(t, end_of_line)
   Call: (252) [system] t=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _637208)
   Call: (253) [system] get_char((0x56051b6b4f40), _638138)
   Exit: (253) [system] get_char((0x56051b6b4f40), h)
   Call: (253) [system] char_type(h, end_of_line)
   Call: (253) [system] h=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _641852)
   Call: (254) [system] get_char((0x56051b6b4f40), _642782)
   Exit: (254) [system] get_char((0x56051b6b4f40), e)
   Call: (254) [system] char_type(e, end_of_line)
   Call: (254) [system] e=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _646496)
   Call: (255) [system] get_char((0x56051b6b4f40), _647426)
   Exit: (255) [system] get_char((0x56051b6b4f40), ' ')
   Call: (255) [system] char_type(' ', end_of_line)
   Call: (255) [system] ' '=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _651140)
   Call: (256) [system] get_char((0x56051b6b4f40), _652070)
   Exit: (256) [system] get_char((0x56051b6b4f40), f)
   Call: (256) [system] char_type(f, end_of_line)
   Call: (256) [system] f=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _655784)
   Call: (257) [system] get_char((0x56051b6b4f40), _656714)
   Exit: (257) [system] get_char((0x56051b6b4f40), o)
   Call: (257) [system] char_type(o, end_of_line)
   Call: (257) [system] o=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _660428)
   Call: (258) [system] get_char((0x56051b6b4f40), _661358)
   Exit: (258) [system] get_char((0x56051b6b4f40), r)
   Call: (258) [system] char_type(r, end_of_line)
   Call: (258) [system] r=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _665072)
   Call: (259) [system] get_char((0x56051b6b4f40), _666002)
   Exit: (259) [system] get_char((0x56051b6b4f40), m)
   Call: (259) [system] char_type(m, end_of_line)
   Call: (259) [system] m=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _669716)
   Call: (260) [system] get_char((0x56051b6b4f40), _670646)
   Exit: (260) [system] get_char((0x56051b6b4f40), ' ')
   Call: (260) [system] char_type(' ', end_of_line)
   Call: (260) [system] ' '=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _674360)
   Call: (261) [system] get_char((0x56051b6b4f40), _675290)
   Exit: (261) [system] get_char((0x56051b6b4f40), '(')
   Call: (261) [system] char_type('(', end_of_line)
   Call: (261) [system] '('=end_of_file
^  Call: (261) [user] read_until_eol((0x56051b6b4f40), _679004)
   Call: (262) [system] get_char((0x56051b6b4f40), _679934)
   Exit: (262) [system] get_char((0x56051b6b4f40), :)
   Call: (262) [system] char_type(:, end_of_line)
   Call: (262) [system] (:)=end_of_file
^  Call: (262) [user] read_until_eol((0x56051b6b4f40), _683648)
   Call: (263) [system] get_char((0x56051b6b4f40), _684578)
   Exit: (263) [system] get_char((0x56051b6b4f40), ' ')
   Call: (263) [system] char_type(' ', end_of_line)
   Call: (263) [system] ' '=end_of_file
^  Call: (263) [user] read_until_eol((0x56051b6b4f40), _688292)
   Call: (264) [system] get_char((0x56051b6b4f40), _689222)
   Exit: (264) [system] get_char((0x56051b6b4f40), 'T')
   Call: (264) [system] char_type('T', end_of_line)
   Call: (264) [system] 'T'=end_of_file
^  Call: (264) [user] read_until_eol((0x56051b6b4f40), _692936)
   Call: (265) [system] get_char((0x56051b6b4f40), _693866)
   Exit: (265) [system] get_char((0x56051b6b4f40), 'E')
   Call: (265) [system] char_type('E', end_of_line)
   Call: (265) [system] 'E'=end_of_file
^  Call: (265) [user] read_until_eol((0x56051b6b4f40), _697580)
   Call: (266) [system] get_char((0x56051b6b4f40), _698510)
   Exit: (266) [system] get_char((0x56051b6b4f40), 'R')
   Call: (266) [system] char_type('R', end_of_line)
   Call: (266) [system] 'R'=end_of_file
^  Call: (266) [user] read_until_eol((0x56051b6b4f40), _702224)
   Call: (267) [system] get_char((0x56051b6b4f40), _703154)
   Exit: (267) [system] get_char((0x56051b6b4f40), 'M')
   Call: (267) [system] char_type('M', end_of_line)
   Call: (267) [system] 'M'=end_of_file
^  Call: (267) [user] read_until_eol((0x56051b6b4f40), _706868)
   Call: (268) [system] get_char((0x56051b6b4f40), _707798)
   Exit: (268) [system] get_char((0x56051b6b4f40), ' ')
   Call: (268) [system] char_type(' ', end_of_line)
   Call: (268) [system] ' '=end_of_file
^  Call: (268) [user] read_until_eol((0x56051b6b4f40), _711512)
   Call: (269) [system] get_char((0x56051b6b4f40), _712442)
   Exit: (269) [system] get_char((0x56051b6b4f40), 'T')
   Call: (269) [system] char_type('T', end_of_line)
   Call: (269) [system] 'T'=end_of_file
^  Call: (269) [user] read_until_eol((0x56051b6b4f40), _716156)
   Call: (270) [system] get_char((0x56051b6b4f40), _717086)
   Exit: (270) [system] get_char((0x56051b6b4f40), 'Y')
   Call: (270) [system] char_type('Y', end_of_line)
   Call: (270) [system] 'Y'=end_of_file
^  Call: (270) [user] read_until_eol((0x56051b6b4f40), _720800)
   Call: (271) [system] get_char((0x56051b6b4f40), _721730)
   Exit: (271) [system] get_char((0x56051b6b4f40), 'P')
   Call: (271) [system] char_type('P', end_of_line)
   Call: (271) [system] 'P'=end_of_file
^  Call: (271) [user] read_until_eol((0x56051b6b4f40), _725444)
   Call: (272) [system] get_char((0x56051b6b4f40), _726374)
   Exit: (272) [system] get_char((0x56051b6b4f40), 'E')
   Call: (272) [system] char_type('E', end_of_line)
   Call: (272) [system] 'E'=end_of_file
^  Call: (272) [user] read_until_eol((0x56051b6b4f40), _730088)
   Call: (273) [system] get_char((0x56051b6b4f40), _731018)
   Exit: (273) [system] get_char((0x56051b6b4f40), ')')
   Call: (273) [system] char_type(')', end_of_line)
   Call: (273) [system] ')'=end_of_file
^  Call: (273) [user] read_until_eol((0x56051b6b4f40), _734732)
   Call: (274) [system] get_char((0x56051b6b4f40), _735662)
   Exit: (274) [system] get_char((0x56051b6b4f40), '.')
   Call: (274) [system] char_type('.', end_of_line)
   Call: (274) [system] ('.')=end_of_file
^  Call: (274) [user] read_until_eol((0x56051b6b4f40), _739376)
   Call: (275) [system] get_char((0x56051b6b4f40), _740306)
   Exit: (275) [system] get_char((0x56051b6b4f40), '\n')
   Call: (275) [system] char_type('\n', end_of_line)
   Exit: (275) [system] char_type('\n', end_of_line)
   Call: (275) [system] _739376=""
   Exit: (275) [system] ""=""
^  Exit: (274) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (274) [system] string_concat('.', "", _734732)
   Exit: (274) [system] string_concat('.', "", ".")
^  Exit: (273) [user] read_until_eol((0x56051b6b4f40), ".")
   Call: (273) [system] string_concat(')', ".", _730088)
   Exit: (273) [system] string_concat(')', ".", ").")
^  Exit: (272) [user] read_until_eol((0x56051b6b4f40), ").")
   Call: (272) [system] string_concat('E', ").", _725444)
   Exit: (272) [system] string_concat('E', ").", "E).")
^  Exit: (271) [user] read_until_eol((0x56051b6b4f40), "E).")
   Call: (271) [system] string_concat('P', "E).", _720800)
   Exit: (271) [system] string_concat('P', "E).", "PE).")
^  Exit: (270) [user] read_until_eol((0x56051b6b4f40), "PE).")
   Call: (270) [system] string_concat('Y', "PE).", _716156)
   Exit: (270) [system] string_concat('Y', "PE).", "YPE).")
^  Exit: (269) [user] read_until_eol((0x56051b6b4f40), "YPE).")
   Call: (269) [system] string_concat('T', "YPE).", _711512)
   Exit: (269) [system] string_concat('T', "YPE).", "TYPE).")
^  Exit: (268) [user] read_until_eol((0x56051b6b4f40), "TYPE).")
   Call: (268) [system] string_concat(' ', "TYPE).", _706868)
   Exit: (268) [system] string_concat(' ', "TYPE).", " TYPE).")
^  Exit: (267) [user] read_until_eol((0x56051b6b4f40), " TYPE).")
   Call: (267) [system] string_concat('M', " TYPE).", _702224)
   Exit: (267) [system] string_concat('M', " TYPE).", "M TYPE).")
^  Exit: (266) [user] read_until_eol((0x56051b6b4f40), "M TYPE).")
   Call: (266) [system] string_concat('R', "M TYPE).", _697580)
   Exit: (266) [system] string_concat('R', "M TYPE).", "RM TYPE).")
^  Exit: (265) [user] read_until_eol((0x56051b6b4f40), "RM TYPE).")
   Call: (265) [system] string_concat('E', "RM TYPE).", _692936)
   Exit: (265) [system] string_concat('E', "RM TYPE).", "ERM TYPE).")
^  Exit: (264) [user] read_until_eol((0x56051b6b4f40), "ERM TYPE).")
   Call: (264) [system] string_concat('T', "ERM TYPE).", _688292)
   Exit: (264) [system] string_concat('T', "ERM TYPE).", "TERM TYPE).")
^  Exit: (263) [user] read_until_eol((0x56051b6b4f40), "TERM TYPE).")
   Call: (263) [system] string_concat(' ', "TERM TYPE).", _683648)
   Exit: (263) [system] string_concat(' ', "TERM TYPE).", " TERM TYPE).")
^  Exit: (262) [user] read_until_eol((0x56051b6b4f40), " TERM TYPE).")
   Call: (262) [system] string_concat(:, " TERM TYPE).", _679004)
   Exit: (262) [system] string_concat(:, " TERM TYPE).", ": TERM TYPE).")
^  Exit: (261) [user] read_until_eol((0x56051b6b4f40), ": TERM TYPE).")
   Call: (261) [system] string_concat('(', ": TERM TYPE).", _674360)
   Exit: (261) [system] string_concat('(', ": TERM TYPE).", "(: TERM TYPE).")
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), "(: TERM TYPE).")
   Call: (260) [system] string_concat(' ', "(: TERM TYPE).", _669716)
   Exit: (260) [system] string_concat(' ', "(: TERM TYPE).", " (: TERM TYPE).")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), " (: TERM TYPE).")
   Call: (259) [system] string_concat(m, " (: TERM TYPE).", _665072)
   Exit: (259) [system] string_concat(m, " (: TERM TYPE).", "m (: TERM TYPE).")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), "m (: TERM TYPE).")
   Call: (258) [system] string_concat(r, "m (: TERM TYPE).", _660428)
   Exit: (258) [system] string_concat(r, "m (: TERM TYPE).", "rm (: TERM TYPE).")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "rm (: TERM TYPE).")
   Call: (257) [system] string_concat(o, "rm (: TERM TYPE).", _655784)
   Exit: (257) [system] string_concat(o, "rm (: TERM TYPE).", "orm (: TERM TYPE).")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "orm (: TERM TYPE).")
   Call: (256) [system] string_concat(f, "orm (: TERM TYPE).", _651140)
   Exit: (256) [system] string_concat(f, "orm (: TERM TYPE).", "form (: TERM TYPE).")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "form (: TERM TYPE).")
   Call: (255) [system] string_concat(' ', "form (: TERM TYPE).", _646496)
   Exit: (255) [system] string_concat(' ', "form (: TERM TYPE).", " form (: TERM TYPE).")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), " form (: TERM TYPE).")
   Call: (254) [system] string_concat(e, " form (: TERM TYPE).", _641852)
   Exit: (254) [system] string_concat(e, " form (: TERM TYPE).", "e form (: TERM TYPE).")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "e form (: TERM TYPE).")
   Call: (253) [system] string_concat(h, "e form (: TERM TYPE).", _637208)
   Exit: (253) [system] string_concat(h, "e form (: TERM TYPE).", "he form (: TERM TYPE).")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), "he form (: TERM TYPE).")
   Call: (252) [system] string_concat(t, "he form (: TERM TYPE).", _632564)
   Exit: (252) [system] string_concat(t, "he form (: TERM TYPE).", "the form (: TERM TYPE).")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), "the form (: TERM TYPE).")
   Call: (251) [system] string_concat(' ', "the form (: TERM TYPE).", _627920)
   Exit: (251) [system] string_concat(' ', "the form (: TERM TYPE).", " the form (: TERM TYPE).")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), " the form (: TERM TYPE).")
   Call: (250) [system] string_concat(e, " the form (: TERM TYPE).", _623276)
   Exit: (250) [system] string_concat(e, " the form (: TERM TYPE).", "e the form (: TERM TYPE).")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "e the form (: TERM TYPE).")
   Call: (249) [system] string_concat(v, "e the form (: TERM TYPE).", _618632)
   Exit: (249) [system] string_concat(v, "e the form (: TERM TYPE).", "ve the form (: TERM TYPE).")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "ve the form (: TERM TYPE).")
   Call: (248) [system] string_concat(a, "ve the form (: TERM TYPE).", _613988)
   Exit: (248) [system] string_concat(a, "ve the form (: TERM TYPE).", "ave the form (: TERM TYPE).")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "ave the form (: TERM TYPE).")
   Call: (247) [system] string_concat(h, "ave the form (: TERM TYPE).", _609344)
   Exit: (247) [system] string_concat(h, "ave the form (: TERM TYPE).", "have the form (: TERM TYPE).")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "have the form (: TERM TYPE).")
   Call: (246) [system] string_concat(' ', "have the form (: TERM TYPE).", _604700)
   Exit: (246) [system] string_concat(' ', "have the form (: TERM TYPE).", " have the form (: TERM TYPE).")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), " have the form (: TERM TYPE).")
   Call: (245) [system] string_concat(n, " have the form (: TERM TYPE).", _600056)
   Exit: (245) [system] string_concat(n, " have the form (: TERM TYPE).", "n have the form (: TERM TYPE).")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "n have the form (: TERM TYPE).")
   Call: (244) [system] string_concat(o, "n have the form (: TERM TYPE).", _595412)
   Exit: (244) [system] string_concat(o, "n have the form (: TERM TYPE).", "on have the form (: TERM TYPE).")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "on have the form (: TERM TYPE).")
   Call: (243) [system] string_concat(i, "on have the form (: TERM TYPE).", _590768)
   Exit: (243) [system] string_concat(i, "on have the form (: TERM TYPE).", "ion have the form (: TERM TYPE).")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "ion have the form (: TERM TYPE).")
   Call: (242) [system] string_concat(s, "ion have the form (: TERM TYPE).", _586124)
   Exit: (242) [system] string_concat(s, "ion have the form (: TERM TYPE).", "sion have the form (: TERM TYPE).")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "sion have the form (: TERM TYPE).")
   Call: (241) [system] string_concat(u, "sion have the form (: TERM TYPE).", _581480)
   Exit: (241) [system] string_concat(u, "sion have the form (: TERM TYPE).", "usion have the form (: TERM TYPE).")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "usion have the form (: TERM TYPE).")
   Call: (240) [system] string_concat(l, "usion have the form (: TERM TYPE).", _576836)
   Exit: (240) [system] string_concat(l, "usion have the form (: TERM TYPE).", "lusion have the form (: TERM TYPE).")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "lusion have the form (: TERM TYPE).")
   Call: (239) [system] string_concat(c, "lusion have the form (: TERM TYPE).", _572192)
   Exit: (239) [system] string_concat(c, "lusion have the form (: TERM TYPE).", "clusion have the form (: TERM TYPE).")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "clusion have the form (: TERM TYPE).")
   Call: (238) [system] string_concat(n, "clusion have the form (: TERM TYPE).", _567548)
   Exit: (238) [system] string_concat(n, "clusion have the form (: TERM TYPE).", "nclusion have the form (: TERM TYPE).")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "nclusion have the form (: TERM TYPE).")
   Call: (237) [system] string_concat(o, "nclusion have the form (: TERM TYPE).", _562904)
   Exit: (237) [system] string_concat(o, "nclusion have the form (: TERM TYPE).", "onclusion have the form (: TERM TYPE).")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "onclusion have the form (: TERM TYPE).")
   Call: (236) [system] string_concat(c, "onclusion have the form (: TERM TYPE).", _558260)
   Exit: (236) [system] string_concat(c, "onclusion have the form (: TERM TYPE).", "conclusion have the form (: TERM TYPE).")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "conclusion have the form (: TERM TYPE).")
   Call: (235) [system] string_concat(' ', "conclusion have the form (: TERM TYPE).", _553616)
   Exit: (235) [system] string_concat(' ', "conclusion have the form (: TERM TYPE).", " conclusion have the form (: TERM TYPE).")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), " conclusion have the form (: TERM TYPE).")
   Call: (234) [system] string_concat(d, " conclusion have the form (: TERM TYPE).", _548972)
   Exit: (234) [system] string_concat(d, " conclusion have the form (: TERM TYPE).", "d conclusion have the form (: TERM TYPE).")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "d conclusion have the form (: TERM TYPE).")
   Call: (233) [system] string_concat(n, "d conclusion have the form (: TERM TYPE).", _544328)
   Exit: (233) [system] string_concat(n, "d conclusion have the form (: TERM TYPE).", "nd conclusion have the form (: TERM TYPE).")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "nd conclusion have the form (: TERM TYPE).")
   Call: (232) [system] string_concat(a, "nd conclusion have the form (: TERM TYPE).", _539684)
   Exit: (232) [system] string_concat(a, "nd conclusion have the form (: TERM TYPE).", "and conclusion have the form (: TERM TYPE).")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "and conclusion have the form (: TERM TYPE).")
   Call: (231) [system] string_concat(' ', "and conclusion have the form (: TERM TYPE).", _535040)
   Exit: (231) [system] string_concat(' ', "and conclusion have the form (: TERM TYPE).", " and conclusion have the form (: TERM TYPE).")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), " and conclusion have the form (: TERM TYPE).")
   Call: (230) [system] string_concat(s, " and conclusion have the form (: TERM TYPE).", _530396)
   Exit: (230) [system] string_concat(s, " and conclusion have the form (: TERM TYPE).", "s and conclusion have the form (: TERM TYPE).")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "s and conclusion have the form (: TERM TYPE).")
   Call: (229) [system] string_concat(e, "s and conclusion have the form (: TERM TYPE).", _525752)
   Exit: (229) [system] string_concat(e, "s and conclusion have the form (: TERM TYPE).", "es and conclusion have the form (: TERM TYPE).")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "es and conclusion have the form (: TERM TYPE).")
   Call: (228) [system] string_concat(s, "es and conclusion have the form (: TERM TYPE).", _521108)
   Exit: (228) [system] string_concat(s, "es and conclusion have the form (: TERM TYPE).", "ses and conclusion have the form (: TERM TYPE).")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "ses and conclusion have the form (: TERM TYPE).")
   Call: (227) [system] string_concat(i, "ses and conclusion have the form (: TERM TYPE).", _516464)
   Exit: (227) [system] string_concat(i, "ses and conclusion have the form (: TERM TYPE).", "ises and conclusion have the form (: TERM TYPE).")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "ises and conclusion have the form (: TERM TYPE).")
   Call: (226) [system] string_concat(m, "ises and conclusion have the form (: TERM TYPE).", _511820)
   Exit: (226) [system] string_concat(m, "ises and conclusion have the form (: TERM TYPE).", "mises and conclusion have the form (: TERM TYPE).")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "mises and conclusion have the form (: TERM TYPE).")
   Call: (225) [system] string_concat(e, "mises and conclusion have the form (: TERM TYPE).", _507176)
   Exit: (225) [system] string_concat(e, "mises and conclusion have the form (: TERM TYPE).", "emises and conclusion have the form (: TERM TYPE).")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "emises and conclusion have the form (: TERM TYPE).")
   Call: (224) [system] string_concat(r, "emises and conclusion have the form (: TERM TYPE).", _502532)
   Exit: (224) [system] string_concat(r, "emises and conclusion have the form (: TERM TYPE).", "remises and conclusion have the form (: TERM TYPE).")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "remises and conclusion have the form (: TERM TYPE).")
   Call: (223) [system] string_concat(p, "remises and conclusion have the form (: TERM TYPE).", _497888)
   Exit: (223) [system] string_concat(p, "remises and conclusion have the form (: TERM TYPE).", "premises and conclusion have the form (: TERM TYPE).")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "premises and conclusion have the form (: TERM TYPE).")
   Call: (222) [system] string_concat(' ', "premises and conclusion have the form (: TERM TYPE).", _493244)
   Exit: (222) [system] string_concat(' ', "premises and conclusion have the form (: TERM TYPE).", " premises and conclusion have the form (: TERM TYPE).")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), " premises and conclusion have the form (: TERM TYPE).")
   Call: (221) [system] string_concat(e, " premises and conclusion have the form (: TERM TYPE).", _488600)
   Exit: (221) [system] string_concat(e, " premises and conclusion have the form (: TERM TYPE).", "e premises and conclusion have the form (: TERM TYPE).")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "e premises and conclusion have the form (: TERM TYPE).")
   Call: (220) [system] string_concat(r, "e premises and conclusion have the form (: TERM TYPE).", _483956)
   Exit: (220) [system] string_concat(r, "e premises and conclusion have the form (: TERM TYPE).", "re premises and conclusion have the form (: TERM TYPE).")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "re premises and conclusion have the form (: TERM TYPE).")
   Call: (219) [system] string_concat(e, "re premises and conclusion have the form (: TERM TYPE).", _479312)
   Exit: (219) [system] string_concat(e, "re premises and conclusion have the form (: TERM TYPE).", "ere premises and conclusion have the form (: TERM TYPE).")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "ere premises and conclusion have the form (: TERM TYPE).")
   Call: (218) [system] string_concat(h, "ere premises and conclusion have the form (: TERM TYPE).", _474668)
   Exit: (218) [system] string_concat(h, "ere premises and conclusion have the form (: TERM TYPE).", "here premises and conclusion have the form (: TERM TYPE).")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "here premises and conclusion have the form (: TERM TYPE).")
   Call: (217) [system] string_concat(w, "here premises and conclusion have the form (: TERM TYPE).", _470024)
   Exit: (217) [system] string_concat(w, "here premises and conclusion have the form (: TERM TYPE).", "where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "where premises and conclusion have the form (: TERM TYPE).")
   Call: (216) [system] string_concat(' ', "where premises and conclusion have the form (: TERM TYPE).", _465380)
   Exit: (216) [system] string_concat(' ', "where premises and conclusion have the form (: TERM TYPE).", " where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), " where premises and conclusion have the form (: TERM TYPE).")
   Call: (215) [system] string_concat(' ', " where premises and conclusion have the form (: TERM TYPE).", _460736)
   Exit: (215) [system] string_concat(' ', " where premises and conclusion have the form (: TERM TYPE).", "  where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "  where premises and conclusion have the form (: TERM TYPE).")
   Call: (214) [system] string_concat(' ', "  where premises and conclusion have the form (: TERM TYPE).", _456092)
   Exit: (214) [system] string_concat(' ', "  where premises and conclusion have the form (: TERM TYPE).", "   where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "   where premises and conclusion have the form (: TERM TYPE).")
   Call: (213) [system] string_concat(' ', "   where premises and conclusion have the form (: TERM TYPE).", _451448)
   Exit: (213) [system] string_concat(' ', "   where premises and conclusion have the form (: TERM TYPE).", "    where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "    where premises and conclusion have the form (: TERM TYPE).")
   Call: (212) [system] string_concat(' ', "    where premises and conclusion have the form (: TERM TYPE).", _446804)
   Exit: (212) [system] string_concat(' ', "    where premises and conclusion have the form (: TERM TYPE).", "     where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "     where premises and conclusion have the form (: TERM TYPE).")
   Call: (211) [system] string_concat(' ', "     where premises and conclusion have the form (: TERM TYPE).", _442160)
   Exit: (211) [system] string_concat(' ', "     where premises and conclusion have the form (: TERM TYPE).", "      where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), "      where premises and conclusion have the form (: TERM TYPE).")
   Call: (210) [system] string_concat(;, "      where premises and conclusion have the form (: TERM TYPE).", _437516)
   Exit: (210) [system] string_concat(;, "      where premises and conclusion have the form (: TERM TYPE).", ";      where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), ";      where premises and conclusion have the form (: TERM TYPE).")
   Call: (209) [system] string_concat(;, ";      where premises and conclusion have the form (: TERM TYPE).", _432872)
   Exit: (209) [system] string_concat(;, ";      where premises and conclusion have the form (: TERM TYPE).", ";;      where premises and conclusion have the form (: TERM TYPE).")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), ";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (208) [user] assertz(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Exit: (208) [user] assertz(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Exit: (207) [user] read_comment((0x56051b6b4f40))
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _935718)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ;)
   Call: (208) [system] (;)=(;)
   Exit: (208) [system] (;)=(;)
^  Call: (208) [user] read_comment((0x56051b6b4f40))
^  Call: (209) [user] read_position((0x56051b6b4f40), _940356, _940358, _940360, _940362)
   Call: (210) [system] stream_property((0x56051b6b4f40), position(_940362))
   Call: (211) [system] nonvar((0x56051b6b4f40))
   Exit: (211) [system] nonvar((0x56051b6b4f40))
   Call: (211) [system] nonvar(position(_940362))
   Exit: (211) [system] nonvar(position(_940362))
   Exit: (210) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1381, 43, 0, 1381)))
   Call: (210) [$syspreds] stream_position_data(line_count, '$stream_position'(1381, 43, 0, 1381), _940356)
   Call: (211) [system] nonvar(line_count)
   Exit: (211) [system] nonvar(line_count)
   Call: (211) [$syspreds] stream_position_field(line_count, _949650)
   Exit: (211) [$syspreds] stream_position_field(line_count, 2)
   Call: (211) [system] arg(2, '$stream_position'(1381, 43, 0, 1381), _940356)
   Exit: (211) [system] arg(2, '$stream_position'(1381, 43, 0, 1381), 43)
   Exit: (210) [$syspreds] stream_position_data(line_count, '$stream_position'(1381, 43, 0, 1381), 43)
   Call: (210) [$syspreds] stream_position_data(line_position, '$stream_position'(1381, 43, 0, 1381), _940358)
   Call: (211) [system] nonvar(line_position)
   Exit: (211) [system] nonvar(line_position)
   Call: (211) [$syspreds] stream_position_field(line_position, _957084)
   Exit: (211) [$syspreds] stream_position_field(line_position, 3)
   Call: (211) [system] arg(3, '$stream_position'(1381, 43, 0, 1381), _940358)
   Exit: (211) [system] arg(3, '$stream_position'(1381, 43, 0, 1381), 0)
   Exit: (210) [$syspreds] stream_position_data(line_position, '$stream_position'(1381, 43, 0, 1381), 0)
   Call: (210) [$syspreds] stream_position_data(char_count, '$stream_position'(1381, 43, 0, 1381), _940360)
   Call: (211) [system] nonvar(char_count)
   Exit: (211) [system] nonvar(char_count)
   Call: (211) [$syspreds] stream_position_field(char_count, _964518)
   Exit: (211) [$syspreds] stream_position_field(char_count, 1)
   Call: (211) [system] arg(1, '$stream_position'(1381, 43, 0, 1381), _940360)
   Exit: (211) [system] arg(1, '$stream_position'(1381, 43, 0, 1381), 1381)
   Exit: (210) [$syspreds] stream_position_data(char_count, '$stream_position'(1381, 43, 0, 1381), 1381)
^  Exit: (209) [user] read_position((0x56051b6b4f40), 43, 0, 1381, '$stream_position'(1381, 43, 0, 1381))
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _970112)
   Call: (210) [system] get_char((0x56051b6b4f40), _971042)
   Exit: (210) [system] get_char((0x56051b6b4f40), ;)
   Call: (210) [system] char_type(;, end_of_line)
   Call: (210) [system] (;)=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _974756)
   Call: (211) [system] get_char((0x56051b6b4f40), _975686)
   Exit: (211) [system] get_char((0x56051b6b4f40), ;)
   Call: (211) [system] char_type(;, end_of_line)
   Call: (211) [system] (;)=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _979400)
   Call: (212) [system] get_char((0x56051b6b4f40), _980330)
   Exit: (212) [system] get_char((0x56051b6b4f40), '\n')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
   Call: (212) [system] _979400=""
   Exit: (212) [system] ""=""
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (211) [system] string_concat(;, "", _974756)
   Exit: (211) [system] string_concat(;, "", ";")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), ";")
   Call: (210) [system] string_concat(;, ";", _970112)
   Exit: (210) [system] string_concat(;, ";", ";;")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), ";;")
^  Call: (209) [user] assertz(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Exit: (209) [user] assertz(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Exit: (208) [user] read_comment((0x56051b6b4f40))
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _996158)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ;)
   Call: (209) [system] (;)=(;)
   Exit: (209) [system] (;)=(;)
^  Call: (209) [user] read_comment((0x56051b6b4f40))
^  Call: (210) [user] read_position((0x56051b6b4f40), _1000796, _1000798, _1000800, _1000802)
   Call: (211) [system] stream_property((0x56051b6b4f40), position(_1000802))
   Call: (212) [system] nonvar((0x56051b6b4f40))
   Exit: (212) [system] nonvar((0x56051b6b4f40))
   Call: (212) [system] nonvar(position(_1000802))
   Exit: (212) [system] nonvar(position(_1000802))
   Exit: (211) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1384, 44, 0, 1384)))
   Call: (211) [$syspreds] stream_position_data(line_count, '$stream_position'(1384, 44, 0, 1384), _1000796)
   Call: (212) [system] nonvar(line_count)
   Exit: (212) [system] nonvar(line_count)
   Call: (212) [$syspreds] stream_position_field(line_count, _1010090)
   Exit: (212) [$syspreds] stream_position_field(line_count, 2)
   Call: (212) [system] arg(2, '$stream_position'(1384, 44, 0, 1384), _1000796)
   Exit: (212) [system] arg(2, '$stream_position'(1384, 44, 0, 1384), 44)
   Exit: (211) [$syspreds] stream_position_data(line_count, '$stream_position'(1384, 44, 0, 1384), 44)
   Call: (211) [$syspreds] stream_position_data(line_position, '$stream_position'(1384, 44, 0, 1384), _1000798)
   Call: (212) [system] nonvar(line_position)
   Exit: (212) [system] nonvar(line_position)
   Call: (212) [$syspreds] stream_position_field(line_position, _1017524)
   Exit: (212) [$syspreds] stream_position_field(line_position, 3)
   Call: (212) [system] arg(3, '$stream_position'(1384, 44, 0, 1384), _1000798)
   Exit: (212) [system] arg(3, '$stream_position'(1384, 44, 0, 1384), 0)
   Exit: (211) [$syspreds] stream_position_data(line_position, '$stream_position'(1384, 44, 0, 1384), 0)
   Call: (211) [$syspreds] stream_position_data(char_count, '$stream_position'(1384, 44, 0, 1384), _1000800)
   Call: (212) [system] nonvar(char_count)
   Exit: (212) [system] nonvar(char_count)
   Call: (212) [$syspreds] stream_position_field(char_count, _1024958)
   Exit: (212) [$syspreds] stream_position_field(char_count, 1)
   Call: (212) [system] arg(1, '$stream_position'(1384, 44, 0, 1384), _1000800)
   Exit: (212) [system] arg(1, '$stream_position'(1384, 44, 0, 1384), 1384)
   Exit: (211) [$syspreds] stream_position_data(char_count, '$stream_position'(1384, 44, 0, 1384), 1384)
^  Exit: (210) [user] read_position((0x56051b6b4f40), 44, 0, 1384, '$stream_position'(1384, 44, 0, 1384))
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1030552)
   Call: (211) [system] get_char((0x56051b6b4f40), _1031482)
   Exit: (211) [system] get_char((0x56051b6b4f40), ;)
   Call: (211) [system] char_type(;, end_of_line)
   Call: (211) [system] (;)=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1035196)
   Call: (212) [system] get_char((0x56051b6b4f40), _1036126)
   Exit: (212) [system] get_char((0x56051b6b4f40), ;)
   Call: (212) [system] char_type(;, end_of_line)
   Call: (212) [system] (;)=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1039840)
   Call: (213) [system] get_char((0x56051b6b4f40), _1040770)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
   Call: (213) [system] char_type(' ', end_of_line)
   Call: (213) [system] ' '=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1044484)
   Call: (214) [system] get_char((0x56051b6b4f40), _1045414)
   Exit: (214) [system] get_char((0x56051b6b4f40), $)
   Call: (214) [system] char_type($, end_of_line)
   Call: (214) [system] ($)=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1049128)
   Call: (215) [system] get_char((0x56051b6b4f40), _1050058)
   Exit: (215) [system] get_char((0x56051b6b4f40), d)
   Call: (215) [system] char_type(d, end_of_line)
   Call: (215) [system] d=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1053772)
   Call: (216) [system] get_char((0x56051b6b4f40), _1054702)
   Exit: (216) [system] get_char((0x56051b6b4f40), e)
   Call: (216) [system] char_type(e, end_of_line)
   Call: (216) [system] e=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1058416)
   Call: (217) [system] get_char((0x56051b6b4f40), _1059346)
   Exit: (217) [system] get_char((0x56051b6b4f40), p)
   Call: (217) [system] char_type(p, end_of_line)
   Call: (217) [system] p=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1063060)
   Call: (218) [system] get_char((0x56051b6b4f40), _1063990)
   Exit: (218) [system] get_char((0x56051b6b4f40), t)
   Call: (218) [system] char_type(t, end_of_line)
   Call: (218) [system] t=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1067704)
   Call: (219) [system] get_char((0x56051b6b4f40), _1068634)
   Exit: (219) [system] get_char((0x56051b6b4f40), h)
   Call: (219) [system] char_type(h, end_of_line)
   Call: (219) [system] h=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1072348)
   Call: (220) [system] get_char((0x56051b6b4f40), _1073278)
   Exit: (220) [system] get_char((0x56051b6b4f40), :)
   Call: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] (:)=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1076992)
   Call: (221) [system] get_char((0x56051b6b4f40), _1077922)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
   Call: (221) [system] char_type(' ', end_of_line)
   Call: (221) [system] ' '=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1081636)
   Call: (222) [system] get_char((0x56051b6b4f40), _1082566)
   Exit: (222) [system] get_char((0x56051b6b4f40), a)
   Call: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] a=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1086280)
   Call: (223) [system] get_char((0x56051b6b4f40), _1087210)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
   Call: (223) [system] char_type(' ', end_of_line)
   Call: (223) [system] ' '=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1090924)
   Call: (224) [system] get_char((0x56051b6b4f40), _1091854)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'N')
   Call: (224) [system] char_type('N', end_of_line)
   Call: (224) [system] 'N'=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1095568)
   Call: (225) [system] get_char((0x56051b6b4f40), _1096498)
   Exit: (225) [system] get_char((0x56051b6b4f40), a)
   Call: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1100212)
   Call: (226) [system] get_char((0x56051b6b4f40), _1101142)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] char_type(t, end_of_line)
   Call: (226) [system] t=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1104856)
   Call: (227) [system] get_char((0x56051b6b4f40), _1105786)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
   Call: (227) [system] char_type(' ', end_of_line)
   Call: (227) [system] ' '=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1109500)
   Call: (228) [system] get_char((0x56051b6b4f40), _1110430)
   Exit: (228) [system] get_char((0x56051b6b4f40), r)
   Call: (228) [system] char_type(r, end_of_line)
   Call: (228) [system] r=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1114144)
   Call: (229) [system] get_char((0x56051b6b4f40), _1115074)
   Exit: (229) [system] get_char((0x56051b6b4f40), e)
   Call: (229) [system] char_type(e, end_of_line)
   Call: (229) [system] e=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1118788)
   Call: (230) [system] get_char((0x56051b6b4f40), _1119718)
   Exit: (230) [system] get_char((0x56051b6b4f40), p)
   Call: (230) [system] char_type(p, end_of_line)
   Call: (230) [system] p=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1123432)
   Call: (231) [system] get_char((0x56051b6b4f40), _1124362)
   Exit: (231) [system] get_char((0x56051b6b4f40), r)
   Call: (231) [system] char_type(r, end_of_line)
   Call: (231) [system] r=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1128076)
   Call: (232) [system] get_char((0x56051b6b4f40), _1129006)
   Exit: (232) [system] get_char((0x56051b6b4f40), e)
   Call: (232) [system] char_type(e, end_of_line)
   Call: (232) [system] e=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1132720)
   Call: (233) [system] get_char((0x56051b6b4f40), _1133650)
   Exit: (233) [system] get_char((0x56051b6b4f40), s)
   Call: (233) [system] char_type(s, end_of_line)
   Call: (233) [system] s=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1137364)
   Call: (234) [system] get_char((0x56051b6b4f40), _1138294)
   Exit: (234) [system] get_char((0x56051b6b4f40), e)
   Call: (234) [system] char_type(e, end_of_line)
   Call: (234) [system] e=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1142008)
   Call: (235) [system] get_char((0x56051b6b4f40), _1142938)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] char_type(n, end_of_line)
   Call: (235) [system] n=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1146652)
   Call: (236) [system] get_char((0x56051b6b4f40), _1147582)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] char_type(t, end_of_line)
   Call: (236) [system] t=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1151296)
   Call: (237) [system] get_char((0x56051b6b4f40), _1152226)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] char_type(i, end_of_line)
   Call: (237) [system] i=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1155940)
   Call: (238) [system] get_char((0x56051b6b4f40), _1156870)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] char_type(n, end_of_line)
   Call: (238) [system] n=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1160584)
   Call: (239) [system] get_char((0x56051b6b4f40), _1161514)
   Exit: (239) [system] get_char((0x56051b6b4f40), g)
   Call: (239) [system] char_type(g, end_of_line)
   Call: (239) [system] g=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _1165228)
   Call: (240) [system] get_char((0x56051b6b4f40), _1166158)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
   Call: (240) [system] char_type(' ', end_of_line)
   Call: (240) [system] ' '=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _1169872)
   Call: (241) [system] get_char((0x56051b6b4f40), _1170802)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] char_type(t, end_of_line)
   Call: (241) [system] t=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _1174516)
   Call: (242) [system] get_char((0x56051b6b4f40), _1175446)
   Exit: (242) [system] get_char((0x56051b6b4f40), h)
   Call: (242) [system] char_type(h, end_of_line)
   Call: (242) [system] h=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _1179160)
   Call: (243) [system] get_char((0x56051b6b4f40), _1180090)
   Exit: (243) [system] get_char((0x56051b6b4f40), e)
   Call: (243) [system] char_type(e, end_of_line)
   Call: (243) [system] e=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _1183804)
   Call: (244) [system] get_char((0x56051b6b4f40), _1184734)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
   Call: (244) [system] char_type(' ', end_of_line)
   Call: (244) [system] ' '=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _1188448)
   Call: (245) [system] get_char((0x56051b6b4f40), _1189378)
   Exit: (245) [system] get_char((0x56051b6b4f40), m)
   Call: (245) [system] char_type(m, end_of_line)
   Call: (245) [system] m=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _1193092)
   Call: (246) [system] get_char((0x56051b6b4f40), _1194022)
   Exit: (246) [system] get_char((0x56051b6b4f40), a)
   Call: (246) [system] char_type(a, end_of_line)
   Call: (246) [system] a=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _1197736)
   Call: (247) [system] get_char((0x56051b6b4f40), _1198666)
   Exit: (247) [system] get_char((0x56051b6b4f40), x)
   Call: (247) [system] char_type(x, end_of_line)
   Call: (247) [system] x=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _1202380)
   Call: (248) [system] get_char((0x56051b6b4f40), _1203310)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] char_type(i, end_of_line)
   Call: (248) [system] i=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _1207024)
   Call: (249) [system] get_char((0x56051b6b4f40), _1207954)
   Exit: (249) [system] get_char((0x56051b6b4f40), m)
   Call: (249) [system] char_type(m, end_of_line)
   Call: (249) [system] m=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _1211668)
   Call: (250) [system] get_char((0x56051b6b4f40), _1212598)
   Exit: (250) [system] get_char((0x56051b6b4f40), u)
   Call: (250) [system] char_type(u, end_of_line)
   Call: (250) [system] u=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _1216312)
   Call: (251) [system] get_char((0x56051b6b4f40), _1217242)
   Exit: (251) [system] get_char((0x56051b6b4f40), m)
   Call: (251) [system] char_type(m, end_of_line)
   Call: (251) [system] m=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _1220956)
   Call: (252) [system] get_char((0x56051b6b4f40), _1221886)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
   Call: (252) [system] char_type(' ', end_of_line)
   Call: (252) [system] ' '=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _1225600)
   Call: (253) [system] get_char((0x56051b6b4f40), _1226530)
   Exit: (253) [system] get_char((0x56051b6b4f40), d)
   Call: (253) [system] char_type(d, end_of_line)
   Call: (253) [system] d=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _1230244)
   Call: (254) [system] get_char((0x56051b6b4f40), _1231174)
   Exit: (254) [system] get_char((0x56051b6b4f40), e)
   Call: (254) [system] char_type(e, end_of_line)
   Call: (254) [system] e=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _1234888)
   Call: (255) [system] get_char((0x56051b6b4f40), _1235818)
   Exit: (255) [system] get_char((0x56051b6b4f40), p)
   Call: (255) [system] char_type(p, end_of_line)
   Call: (255) [system] p=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _1239532)
   Call: (256) [system] get_char((0x56051b6b4f40), _1240462)
   Exit: (256) [system] get_char((0x56051b6b4f40), t)
   Call: (256) [system] char_type(t, end_of_line)
   Call: (256) [system] t=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _1244176)
   Call: (257) [system] get_char((0x56051b6b4f40), _1245106)
   Exit: (257) [system] get_char((0x56051b6b4f40), h)
   Call: (257) [system] char_type(h, end_of_line)
   Call: (257) [system] h=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _1248820)
   Call: (258) [system] get_char((0x56051b6b4f40), _1249750)
   Exit: (258) [system] get_char((0x56051b6b4f40), ' ')
   Call: (258) [system] char_type(' ', end_of_line)
   Call: (258) [system] ' '=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _1253464)
   Call: (259) [system] get_char((0x56051b6b4f40), _1254394)
   Exit: (259) [system] get_char((0x56051b6b4f40), o)
   Call: (259) [system] char_type(o, end_of_line)
   Call: (259) [system] o=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _1258108)
   Call: (260) [system] get_char((0x56051b6b4f40), _1259038)
   Exit: (260) [system] get_char((0x56051b6b4f40), f)
   Call: (260) [system] char_type(f, end_of_line)
   Call: (260) [system] f=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _1262752)
   Call: (261) [system] get_char((0x56051b6b4f40), _1263682)
   Exit: (261) [system] get_char((0x56051b6b4f40), ' ')
   Call: (261) [system] char_type(' ', end_of_line)
   Call: (261) [system] ' '=end_of_file
^  Call: (261) [user] read_until_eol((0x56051b6b4f40), _1267396)
   Call: (262) [system] get_char((0x56051b6b4f40), _1268326)
   Exit: (262) [system] get_char((0x56051b6b4f40), t)
   Call: (262) [system] char_type(t, end_of_line)
   Call: (262) [system] t=end_of_file
^  Call: (262) [user] read_until_eol((0x56051b6b4f40), _1272040)
   Call: (263) [system] get_char((0x56051b6b4f40), _1272970)
   Exit: (263) [system] get_char((0x56051b6b4f40), h)
   Call: (263) [system] char_type(h, end_of_line)
   Call: (263) [system] h=end_of_file
^  Call: (263) [user] read_until_eol((0x56051b6b4f40), _1276684)
   Call: (264) [system] get_char((0x56051b6b4f40), _1277614)
   Exit: (264) [system] get_char((0x56051b6b4f40), e)
   Call: (264) [system] char_type(e, end_of_line)
   Call: (264) [system] e=end_of_file
^  Call: (264) [user] read_until_eol((0x56051b6b4f40), _1281328)
   Call: (265) [system] get_char((0x56051b6b4f40), _1282258)
   Exit: (265) [system] get_char((0x56051b6b4f40), ' ')
   Call: (265) [system] char_type(' ', end_of_line)
   Call: (265) [system] ' '=end_of_file
^  Call: (265) [user] read_until_eol((0x56051b6b4f40), _1285972)
   Call: (266) [system] get_char((0x56051b6b4f40), _1286902)
   Exit: (266) [system] get_char((0x56051b6b4f40), g)
   Call: (266) [system] char_type(g, end_of_line)
   Call: (266) [system] g=end_of_file
^  Call: (266) [user] read_until_eol((0x56051b6b4f40), _1290616)
   Call: (267) [system] get_char((0x56051b6b4f40), _1291546)
   Exit: (267) [system] get_char((0x56051b6b4f40), e)
   Call: (267) [system] char_type(e, end_of_line)
   Call: (267) [system] e=end_of_file
^  Call: (267) [user] read_until_eol((0x56051b6b4f40), _1295260)
   Call: (268) [system] get_char((0x56051b6b4f40), _1296190)
   Exit: (268) [system] get_char((0x56051b6b4f40), n)
   Call: (268) [system] char_type(n, end_of_line)
   Call: (268) [system] n=end_of_file
^  Call: (268) [user] read_until_eol((0x56051b6b4f40), _1299904)
   Call: (269) [system] get_char((0x56051b6b4f40), _1300834)
   Exit: (269) [system] get_char((0x56051b6b4f40), e)
   Call: (269) [system] char_type(e, end_of_line)
   Call: (269) [system] e=end_of_file
^  Call: (269) [user] read_until_eol((0x56051b6b4f40), _1304548)
   Call: (270) [system] get_char((0x56051b6b4f40), _1305478)
   Exit: (270) [system] get_char((0x56051b6b4f40), r)
   Call: (270) [system] char_type(r, end_of_line)
   Call: (270) [system] r=end_of_file
^  Call: (270) [user] read_until_eol((0x56051b6b4f40), _1309192)
   Call: (271) [system] get_char((0x56051b6b4f40), _1310122)
   Exit: (271) [system] get_char((0x56051b6b4f40), a)
   Call: (271) [system] char_type(a, end_of_line)
   Call: (271) [system] a=end_of_file
^  Call: (271) [user] read_until_eol((0x56051b6b4f40), _1313836)
   Call: (272) [system] get_char((0x56051b6b4f40), _1314766)
   Exit: (272) [system] get_char((0x56051b6b4f40), t)
   Call: (272) [system] char_type(t, end_of_line)
   Call: (272) [system] t=end_of_file
^  Call: (272) [user] read_until_eol((0x56051b6b4f40), _1318480)
   Call: (273) [system] get_char((0x56051b6b4f40), _1319410)
   Exit: (273) [system] get_char((0x56051b6b4f40), e)
   Call: (273) [system] char_type(e, end_of_line)
   Call: (273) [system] e=end_of_file
^  Call: (273) [user] read_until_eol((0x56051b6b4f40), _1323124)
   Call: (274) [system] get_char((0x56051b6b4f40), _1324054)
   Exit: (274) [system] get_char((0x56051b6b4f40), d)
   Call: (274) [system] char_type(d, end_of_line)
   Call: (274) [system] d=end_of_file
^  Call: (274) [user] read_until_eol((0x56051b6b4f40), _1327768)
   Call: (275) [system] get_char((0x56051b6b4f40), _1328698)
   Exit: (275) [system] get_char((0x56051b6b4f40), '\n')
   Call: (275) [system] char_type('\n', end_of_line)
   Exit: (275) [system] char_type('\n', end_of_line)
   Call: (275) [system] _1327768=""
   Exit: (275) [system] ""=""
^  Exit: (274) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (274) [system] string_concat(d, "", _1323124)
   Exit: (274) [system] string_concat(d, "", "d")
^  Exit: (273) [user] read_until_eol((0x56051b6b4f40), "d")
   Call: (273) [system] string_concat(e, "d", _1318480)
   Exit: (273) [system] string_concat(e, "d", "ed")
^  Exit: (272) [user] read_until_eol((0x56051b6b4f40), "ed")
   Call: (272) [system] string_concat(t, "ed", _1313836)
   Exit: (272) [system] string_concat(t, "ed", "ted")
^  Exit: (271) [user] read_until_eol((0x56051b6b4f40), "ted")
   Call: (271) [system] string_concat(a, "ted", _1309192)
   Exit: (271) [system] string_concat(a, "ted", "ated")
^  Exit: (270) [user] read_until_eol((0x56051b6b4f40), "ated")
   Call: (270) [system] string_concat(r, "ated", _1304548)
   Exit: (270) [system] string_concat(r, "ated", "rated")
^  Exit: (269) [user] read_until_eol((0x56051b6b4f40), "rated")
   Call: (269) [system] string_concat(e, "rated", _1299904)
   Exit: (269) [system] string_concat(e, "rated", "erated")
^  Exit: (268) [user] read_until_eol((0x56051b6b4f40), "erated")
   Call: (268) [system] string_concat(n, "erated", _1295260)
   Exit: (268) [system] string_concat(n, "erated", "nerated")
^  Exit: (267) [user] read_until_eol((0x56051b6b4f40), "nerated")
   Call: (267) [system] string_concat(e, "nerated", _1290616)
   Exit: (267) [system] string_concat(e, "nerated", "enerated")
^  Exit: (266) [user] read_until_eol((0x56051b6b4f40), "enerated")
   Call: (266) [system] string_concat(g, "enerated", _1285972)
   Exit: (266) [system] string_concat(g, "enerated", "generated")
^  Exit: (265) [user] read_until_eol((0x56051b6b4f40), "generated")
   Call: (265) [system] string_concat(' ', "generated", _1281328)
   Exit: (265) [system] string_concat(' ', "generated", " generated")
^  Exit: (264) [user] read_until_eol((0x56051b6b4f40), " generated")
   Call: (264) [system] string_concat(e, " generated", _1276684)
   Exit: (264) [system] string_concat(e, " generated", "e generated")
^  Exit: (263) [user] read_until_eol((0x56051b6b4f40), "e generated")
   Call: (263) [system] string_concat(h, "e generated", _1272040)
   Exit: (263) [system] string_concat(h, "e generated", "he generated")
^  Exit: (262) [user] read_until_eol((0x56051b6b4f40), "he generated")
   Call: (262) [system] string_concat(t, "he generated", _1267396)
   Exit: (262) [system] string_concat(t, "he generated", "the generated")
^  Exit: (261) [user] read_until_eol((0x56051b6b4f40), "the generated")
   Call: (261) [system] string_concat(' ', "the generated", _1262752)
   Exit: (261) [system] string_concat(' ', "the generated", " the generated")
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), " the generated")
   Call: (260) [system] string_concat(f, " the generated", _1258108)
   Exit: (260) [system] string_concat(f, " the generated", "f the generated")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), "f the generated")
   Call: (259) [system] string_concat(o, "f the generated", _1253464)
   Exit: (259) [system] string_concat(o, "f the generated", "of the generated")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), "of the generated")
   Call: (258) [system] string_concat(' ', "of the generated", _1248820)
   Exit: (258) [system] string_concat(' ', "of the generated", " of the generated")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), " of the generated")
   Call: (257) [system] string_concat(h, " of the generated", _1244176)
   Exit: (257) [system] string_concat(h, " of the generated", "h of the generated")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), "h of the generated")
   Call: (256) [system] string_concat(t, "h of the generated", _1239532)
   Exit: (256) [system] string_concat(t, "h of the generated", "th of the generated")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "th of the generated")
   Call: (255) [system] string_concat(p, "th of the generated", _1234888)
   Exit: (255) [system] string_concat(p, "th of the generated", "pth of the generated")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "pth of the generated")
   Call: (254) [system] string_concat(e, "pth of the generated", _1230244)
   Exit: (254) [system] string_concat(e, "pth of the generated", "epth of the generated")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "epth of the generated")
   Call: (253) [system] string_concat(d, "epth of the generated", _1225600)
   Exit: (253) [system] string_concat(d, "epth of the generated", "depth of the generated")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), "depth of the generated")
   Call: (252) [system] string_concat(' ', "depth of the generated", _1220956)
   Exit: (252) [system] string_concat(' ', "depth of the generated", " depth of the generated")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), " depth of the generated")
   Call: (251) [system] string_concat(m, " depth of the generated", _1216312)
   Exit: (251) [system] string_concat(m, " depth of the generated", "m depth of the generated")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "m depth of the generated")
   Call: (250) [system] string_concat(u, "m depth of the generated", _1211668)
   Exit: (250) [system] string_concat(u, "m depth of the generated", "um depth of the generated")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "um depth of the generated")
   Call: (249) [system] string_concat(m, "um depth of the generated", _1207024)
   Exit: (249) [system] string_concat(m, "um depth of the generated", "mum depth of the generated")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), "mum depth of the generated")
   Call: (248) [system] string_concat(i, "mum depth of the generated", _1202380)
   Exit: (248) [system] string_concat(i, "mum depth of the generated", "imum depth of the generated")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "imum depth of the generated")
   Call: (247) [system] string_concat(x, "imum depth of the generated", _1197736)
   Exit: (247) [system] string_concat(x, "imum depth of the generated", "ximum depth of the generated")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "ximum depth of the generated")
   Call: (246) [system] string_concat(a, "ximum depth of the generated", _1193092)
   Exit: (246) [system] string_concat(a, "ximum depth of the generated", "aximum depth of the generated")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "aximum depth of the generated")
   Call: (245) [system] string_concat(m, "aximum depth of the generated", _1188448)
   Exit: (245) [system] string_concat(m, "aximum depth of the generated", "maximum depth of the generated")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "maximum depth of the generated")
   Call: (244) [system] string_concat(' ', "maximum depth of the generated", _1183804)
   Exit: (244) [system] string_concat(' ', "maximum depth of the generated", " maximum depth of the generated")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), " maximum depth of the generated")
   Call: (243) [system] string_concat(e, " maximum depth of the generated", _1179160)
   Exit: (243) [system] string_concat(e, " maximum depth of the generated", "e maximum depth of the generated")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), "e maximum depth of the generated")
   Call: (242) [system] string_concat(h, "e maximum depth of the generated", _1174516)
   Exit: (242) [system] string_concat(h, "e maximum depth of the generated", "he maximum depth of the generated")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "he maximum depth of the generated")
   Call: (241) [system] string_concat(t, "he maximum depth of the generated", _1169872)
   Exit: (241) [system] string_concat(t, "he maximum depth of the generated", "the maximum depth of the generated")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "the maximum depth of the generated")
   Call: (240) [system] string_concat(' ', "the maximum depth of the generated", _1165228)
   Exit: (240) [system] string_concat(' ', "the maximum depth of the generated", " the maximum depth of the generated")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), " the maximum depth of the generated")
   Call: (239) [system] string_concat(g, " the maximum depth of the generated", _1160584)
   Exit: (239) [system] string_concat(g, " the maximum depth of the generated", "g the maximum depth of the generated")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "g the maximum depth of the generated")
   Call: (238) [system] string_concat(n, "g the maximum depth of the generated", _1155940)
   Exit: (238) [system] string_concat(n, "g the maximum depth of the generated", "ng the maximum depth of the generated")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "ng the maximum depth of the generated")
   Call: (237) [system] string_concat(i, "ng the maximum depth of the generated", _1151296)
   Exit: (237) [system] string_concat(i, "ng the maximum depth of the generated", "ing the maximum depth of the generated")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "ing the maximum depth of the generated")
   Call: (236) [system] string_concat(t, "ing the maximum depth of the generated", _1146652)
   Exit: (236) [system] string_concat(t, "ing the maximum depth of the generated", "ting the maximum depth of the generated")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "ting the maximum depth of the generated")
   Call: (235) [system] string_concat(n, "ting the maximum depth of the generated", _1142008)
   Exit: (235) [system] string_concat(n, "ting the maximum depth of the generated", "nting the maximum depth of the generated")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), "nting the maximum depth of the generated")
   Call: (234) [system] string_concat(e, "nting the maximum depth of the generated", _1137364)
   Exit: (234) [system] string_concat(e, "nting the maximum depth of the generated", "enting the maximum depth of the generated")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "enting the maximum depth of the generated")
   Call: (233) [system] string_concat(s, "enting the maximum depth of the generated", _1132720)
   Exit: (233) [system] string_concat(s, "enting the maximum depth of the generated", "senting the maximum depth of the generated")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "senting the maximum depth of the generated")
   Call: (232) [system] string_concat(e, "senting the maximum depth of the generated", _1128076)
   Exit: (232) [system] string_concat(e, "senting the maximum depth of the generated", "esenting the maximum depth of the generated")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "esenting the maximum depth of the generated")
   Call: (231) [system] string_concat(r, "esenting the maximum depth of the generated", _1123432)
   Exit: (231) [system] string_concat(r, "esenting the maximum depth of the generated", "resenting the maximum depth of the generated")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "resenting the maximum depth of the generated")
   Call: (230) [system] string_concat(p, "resenting the maximum depth of the generated", _1118788)
   Exit: (230) [system] string_concat(p, "resenting the maximum depth of the generated", "presenting the maximum depth of the generated")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "presenting the maximum depth of the generated")
   Call: (229) [system] string_concat(e, "presenting the maximum depth of the generated", _1114144)
   Exit: (229) [system] string_concat(e, "presenting the maximum depth of the generated", "epresenting the maximum depth of the generated")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "epresenting the maximum depth of the generated")
   Call: (228) [system] string_concat(r, "epresenting the maximum depth of the generated", _1109500)
   Exit: (228) [system] string_concat(r, "epresenting the maximum depth of the generated", "representing the maximum depth of the generated")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "representing the maximum depth of the generated")
   Call: (227) [system] string_concat(' ', "representing the maximum depth of the generated", _1104856)
   Exit: (227) [system] string_concat(' ', "representing the maximum depth of the generated", " representing the maximum depth of the generated")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), " representing the maximum depth of the generated")
   Call: (226) [system] string_concat(t, " representing the maximum depth of the generated", _1100212)
   Exit: (226) [system] string_concat(t, " representing the maximum depth of the generated", "t representing the maximum depth of the generated")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "t representing the maximum depth of the generated")
   Call: (225) [system] string_concat(a, "t representing the maximum depth of the generated", _1095568)
   Exit: (225) [system] string_concat(a, "t representing the maximum depth of the generated", "at representing the maximum depth of the generated")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "at representing the maximum depth of the generated")
   Call: (224) [system] string_concat('N', "at representing the maximum depth of the generated", _1090924)
   Exit: (224) [system] string_concat('N', "at representing the maximum depth of the generated", "Nat representing the maximum depth of the generated")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "Nat representing the maximum depth of the generated")
   Call: (223) [system] string_concat(' ', "Nat representing the maximum depth of the generated", _1086280)
   Exit: (223) [system] string_concat(' ', "Nat representing the maximum depth of the generated", " Nat representing the maximum depth of the generated")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), " Nat representing the maximum depth of the generated")
   Call: (222) [system] string_concat(a, " Nat representing the maximum depth of the generated", _1081636)
   Exit: (222) [system] string_concat(a, " Nat representing the maximum depth of the generated", "a Nat representing the maximum depth of the generated")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "a Nat representing the maximum depth of the generated")
   Call: (221) [system] string_concat(' ', "a Nat representing the maximum depth of the generated", _1076992)
   Exit: (221) [system] string_concat(' ', "a Nat representing the maximum depth of the generated", " a Nat representing the maximum depth of the generated")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), " a Nat representing the maximum depth of the generated")
   Call: (220) [system] string_concat(:, " a Nat representing the maximum depth of the generated", _1072348)
   Exit: (220) [system] string_concat(:, " a Nat representing the maximum depth of the generated", ": a Nat representing the maximum depth of the generated")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), ": a Nat representing the maximum depth of the generated")
   Call: (219) [system] string_concat(h, ": a Nat representing the maximum depth of the generated", _1067704)
   Exit: (219) [system] string_concat(h, ": a Nat representing the maximum depth of the generated", "h: a Nat representing the maximum depth of the generated")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "h: a Nat representing the maximum depth of the generated")
   Call: (218) [system] string_concat(t, "h: a Nat representing the maximum depth of the generated", _1063060)
   Exit: (218) [system] string_concat(t, "h: a Nat representing the maximum depth of the generated", "th: a Nat representing the maximum depth of the generated")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "th: a Nat representing the maximum depth of the generated")
   Call: (217) [system] string_concat(p, "th: a Nat representing the maximum depth of the generated", _1058416)
   Exit: (217) [system] string_concat(p, "th: a Nat representing the maximum depth of the generated", "pth: a Nat representing the maximum depth of the generated")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "pth: a Nat representing the maximum depth of the generated")
   Call: (216) [system] string_concat(e, "pth: a Nat representing the maximum depth of the generated", _1053772)
   Exit: (216) [system] string_concat(e, "pth: a Nat representing the maximum depth of the generated", "epth: a Nat representing the maximum depth of the generated")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "epth: a Nat representing the maximum depth of the generated")
   Call: (215) [system] string_concat(d, "epth: a Nat representing the maximum depth of the generated", _1049128)
   Exit: (215) [system] string_concat(d, "epth: a Nat representing the maximum depth of the generated", "depth: a Nat representing the maximum depth of the generated")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "depth: a Nat representing the maximum depth of the generated")
   Call: (214) [system] string_concat($, "depth: a Nat representing the maximum depth of the generated", _1044484)
   Exit: (214) [system] string_concat($, "depth: a Nat representing the maximum depth of the generated", "$depth: a Nat representing the maximum depth of the generated")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "$depth: a Nat representing the maximum depth of the generated")
   Call: (213) [system] string_concat(' ', "$depth: a Nat representing the maximum depth of the generated", _1039840)
   Exit: (213) [system] string_concat(' ', "$depth: a Nat representing the maximum depth of the generated", " $depth: a Nat representing the maximum depth of the generated")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), " $depth: a Nat representing the maximum depth of the generated")
   Call: (212) [system] string_concat(;, " $depth: a Nat representing the maximum depth of the generated", _1035196)
   Exit: (212) [system] string_concat(;, " $depth: a Nat representing the maximum depth of the generated", "; $depth: a Nat representing the maximum depth of the generated")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "; $depth: a Nat representing the maximum depth of the generated")
   Call: (211) [system] string_concat(;, "; $depth: a Nat representing the maximum depth of the generated", _1030552)
   Exit: (211) [system] string_concat(;, "; $depth: a Nat representing the maximum depth of the generated", ";; $depth: a Nat representing the maximum depth of the generated")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), ";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (210) [user] assertz(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Exit: (210) [user] assertz(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Exit: (209) [user] read_comment((0x56051b6b4f40))
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1518482)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ;)
   Call: (210) [system] (;)=(;)
   Exit: (210) [system] (;)=(;)
^  Call: (210) [user] read_comment((0x56051b6b4f40))
^  Call: (211) [user] read_position((0x56051b6b4f40), _1523120, _1523122, _1523124, _1523126)
   Call: (212) [system] stream_property((0x56051b6b4f40), position(_1523126))
   Call: (213) [system] nonvar((0x56051b6b4f40))
   Exit: (213) [system] nonvar((0x56051b6b4f40))
   Call: (213) [system] nonvar(position(_1523126))
   Exit: (213) [system] nonvar(position(_1523126))
   Exit: (212) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1449, 45, 0, 1449)))
   Call: (212) [$syspreds] stream_position_data(line_count, '$stream_position'(1449, 45, 0, 1449), _1523120)
   Call: (213) [system] nonvar(line_count)
   Exit: (213) [system] nonvar(line_count)
   Call: (213) [$syspreds] stream_position_field(line_count, _1532414)
   Exit: (213) [$syspreds] stream_position_field(line_count, 2)
   Call: (213) [system] arg(2, '$stream_position'(1449, 45, 0, 1449), _1523120)
   Exit: (213) [system] arg(2, '$stream_position'(1449, 45, 0, 1449), 45)
   Exit: (212) [$syspreds] stream_position_data(line_count, '$stream_position'(1449, 45, 0, 1449), 45)
   Call: (212) [$syspreds] stream_position_data(line_position, '$stream_position'(1449, 45, 0, 1449), _1523122)
   Call: (213) [system] nonvar(line_position)
   Exit: (213) [system] nonvar(line_position)
   Call: (213) [$syspreds] stream_position_field(line_position, _1539848)
   Exit: (213) [$syspreds] stream_position_field(line_position, 3)
   Call: (213) [system] arg(3, '$stream_position'(1449, 45, 0, 1449), _1523122)
   Exit: (213) [system] arg(3, '$stream_position'(1449, 45, 0, 1449), 0)
   Exit: (212) [$syspreds] stream_position_data(line_position, '$stream_position'(1449, 45, 0, 1449), 0)
   Call: (212) [$syspreds] stream_position_data(char_count, '$stream_position'(1449, 45, 0, 1449), _1523124)
   Call: (213) [system] nonvar(char_count)
   Exit: (213) [system] nonvar(char_count)
   Call: (213) [$syspreds] stream_position_field(char_count, _1547282)
   Exit: (213) [$syspreds] stream_position_field(char_count, 1)
   Call: (213) [system] arg(1, '$stream_position'(1449, 45, 0, 1449), _1523124)
   Exit: (213) [system] arg(1, '$stream_position'(1449, 45, 0, 1449), 1449)
   Exit: (212) [$syspreds] stream_position_data(char_count, '$stream_position'(1449, 45, 0, 1449), 1449)
^  Exit: (211) [user] read_position((0x56051b6b4f40), 45, 0, 1449, '$stream_position'(1449, 45, 0, 1449))
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1552876)
   Call: (212) [system] get_char((0x56051b6b4f40), _1553806)
   Exit: (212) [system] get_char((0x56051b6b4f40), ;)
   Call: (212) [system] char_type(;, end_of_line)
   Call: (212) [system] (;)=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1557520)
   Call: (213) [system] get_char((0x56051b6b4f40), _1558450)
   Exit: (213) [system] get_char((0x56051b6b4f40), ;)
   Call: (213) [system] char_type(;, end_of_line)
   Call: (213) [system] (;)=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1562164)
   Call: (214) [system] get_char((0x56051b6b4f40), _1563094)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
   Call: (214) [system] char_type(' ', end_of_line)
   Call: (214) [system] ' '=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1566808)
   Call: (215) [system] get_char((0x56051b6b4f40), _1567738)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
   Call: (215) [system] char_type(' ', end_of_line)
   Call: (215) [system] ' '=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1571452)
   Call: (216) [system] get_char((0x56051b6b4f40), _1572382)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1576096)
   Call: (217) [system] get_char((0x56051b6b4f40), _1577026)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1580740)
   Call: (218) [system] get_char((0x56051b6b4f40), _1581670)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
   Call: (218) [system] char_type(' ', end_of_line)
   Call: (218) [system] ' '=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1585384)
   Call: (219) [system] get_char((0x56051b6b4f40), _1586314)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
   Call: (219) [system] char_type(' ', end_of_line)
   Call: (219) [system] ' '=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1590028)
   Call: (220) [system] get_char((0x56051b6b4f40), _1590958)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
   Call: (220) [system] char_type(' ', end_of_line)
   Call: (220) [system] ' '=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1594672)
   Call: (221) [system] get_char((0x56051b6b4f40), _1595602)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
   Call: (221) [system] char_type(' ', end_of_line)
   Call: (221) [system] ' '=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1599316)
   Call: (222) [system] get_char((0x56051b6b4f40), _1600246)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
   Call: (222) [system] char_type(' ', end_of_line)
   Call: (222) [system] ' '=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1603960)
   Call: (223) [system] get_char((0x56051b6b4f40), _1604890)
   Exit: (223) [system] get_char((0x56051b6b4f40), p)
   Call: (223) [system] char_type(p, end_of_line)
   Call: (223) [system] p=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1608604)
   Call: (224) [system] get_char((0x56051b6b4f40), _1609534)
   Exit: (224) [system] get_char((0x56051b6b4f40), r)
   Call: (224) [system] char_type(r, end_of_line)
   Call: (224) [system] r=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1613248)
   Call: (225) [system] get_char((0x56051b6b4f40), _1614178)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] char_type(o, end_of_line)
   Call: (225) [system] o=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1617892)
   Call: (226) [system] get_char((0x56051b6b4f40), _1618822)
   Exit: (226) [system] get_char((0x56051b6b4f40), g)
   Call: (226) [system] char_type(g, end_of_line)
   Call: (226) [system] g=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1622536)
   Call: (227) [system] get_char((0x56051b6b4f40), _1623466)
   Exit: (227) [system] get_char((0x56051b6b4f40), r)
   Call: (227) [system] char_type(r, end_of_line)
   Call: (227) [system] r=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1627180)
   Call: (228) [system] get_char((0x56051b6b4f40), _1628110)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1631824)
   Call: (229) [system] get_char((0x56051b6b4f40), _1632754)
   Exit: (229) [system] get_char((0x56051b6b4f40), m)
   Call: (229) [system] char_type(m, end_of_line)
   Call: (229) [system] m=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1636468)
   Call: (230) [system] get_char((0x56051b6b4f40), _1637398)
   Exit: (230) [system] get_char((0x56051b6b4f40), s)
   Call: (230) [system] char_type(s, end_of_line)
   Call: (230) [system] s=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1641112)
   Call: (231) [system] get_char((0x56051b6b4f40), _1642042)
   Exit: (231) [system] get_char((0x56051b6b4f40), '.')
   Call: (231) [system] char_type('.', end_of_line)
   Call: (231) [system] ('.')=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1645756)
   Call: (232) [system] get_char((0x56051b6b4f40), _1646686)
   Exit: (232) [system] get_char((0x56051b6b4f40), '\n')
   Call: (232) [system] char_type('\n', end_of_line)
   Exit: (232) [system] char_type('\n', end_of_line)
   Call: (232) [system] _1645756=""
   Exit: (232) [system] ""=""
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (231) [system] string_concat('.', "", _1641112)
   Exit: (231) [system] string_concat('.', "", ".")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), ".")
   Call: (230) [system] string_concat(s, ".", _1636468)
   Exit: (230) [system] string_concat(s, ".", "s.")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), "s.")
   Call: (229) [system] string_concat(m, "s.", _1631824)
   Exit: (229) [system] string_concat(m, "s.", "ms.")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "ms.")
   Call: (228) [system] string_concat(a, "ms.", _1627180)
   Exit: (228) [system] string_concat(a, "ms.", "ams.")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "ams.")
   Call: (227) [system] string_concat(r, "ams.", _1622536)
   Exit: (227) [system] string_concat(r, "ams.", "rams.")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "rams.")
   Call: (226) [system] string_concat(g, "rams.", _1617892)
   Exit: (226) [system] string_concat(g, "rams.", "grams.")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "grams.")
   Call: (225) [system] string_concat(o, "grams.", _1613248)
   Exit: (225) [system] string_concat(o, "grams.", "ograms.")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "ograms.")
   Call: (224) [system] string_concat(r, "ograms.", _1608604)
   Exit: (224) [system] string_concat(r, "ograms.", "rograms.")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "rograms.")
   Call: (223) [system] string_concat(p, "rograms.", _1603960)
   Exit: (223) [system] string_concat(p, "rograms.", "programs.")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "programs.")
   Call: (222) [system] string_concat(' ', "programs.", _1599316)
   Exit: (222) [system] string_concat(' ', "programs.", " programs.")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), " programs.")
   Call: (221) [system] string_concat(' ', " programs.", _1594672)
   Exit: (221) [system] string_concat(' ', " programs.", "  programs.")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "  programs.")
   Call: (220) [system] string_concat(' ', "  programs.", _1590028)
   Exit: (220) [system] string_concat(' ', "  programs.", "   programs.")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "   programs.")
   Call: (219) [system] string_concat(' ', "   programs.", _1585384)
   Exit: (219) [system] string_concat(' ', "   programs.", "    programs.")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "    programs.")
   Call: (218) [system] string_concat(' ', "    programs.", _1580740)
   Exit: (218) [system] string_concat(' ', "    programs.", "     programs.")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "     programs.")
   Call: (217) [system] string_concat(' ', "     programs.", _1576096)
   Exit: (217) [system] string_concat(' ', "     programs.", "      programs.")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "      programs.")
   Call: (216) [system] string_concat(' ', "      programs.", _1571452)
   Exit: (216) [system] string_concat(' ', "      programs.", "       programs.")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "       programs.")
   Call: (215) [system] string_concat(' ', "       programs.", _1566808)
   Exit: (215) [system] string_concat(' ', "       programs.", "        programs.")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "        programs.")
   Call: (214) [system] string_concat(' ', "        programs.", _1562164)
   Exit: (214) [system] string_concat(' ', "        programs.", "         programs.")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "         programs.")
   Call: (213) [system] string_concat(;, "         programs.", _1557520)
   Exit: (213) [system] string_concat(;, "         programs.", ";         programs.")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), ";         programs.")
   Call: (212) [system] string_concat(;, ";         programs.", _1552876)
   Exit: (212) [system] string_concat(;, ";         programs.", ";;         programs.")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), ";;         programs.")
^  Call: (211) [user] assertz(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Exit: (211) [user] assertz(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Exit: (210) [user] read_comment((0x56051b6b4f40))
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1712918)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ;)
   Call: (211) [system] (;)=(;)
   Exit: (211) [system] (;)=(;)
^  Call: (211) [user] read_comment((0x56051b6b4f40))
^  Call: (212) [user] read_position((0x56051b6b4f40), _1717556, _1717558, _1717560, _1717562)
   Call: (213) [system] stream_property((0x56051b6b4f40), position(_1717562))
   Call: (214) [system] nonvar((0x56051b6b4f40))
   Exit: (214) [system] nonvar((0x56051b6b4f40))
   Call: (214) [system] nonvar(position(_1717562))
   Exit: (214) [system] nonvar(position(_1717562))
   Exit: (213) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1470, 46, 0, 1470)))
   Call: (213) [$syspreds] stream_position_data(line_count, '$stream_position'(1470, 46, 0, 1470), _1717556)
   Call: (214) [system] nonvar(line_count)
   Exit: (214) [system] nonvar(line_count)
   Call: (214) [$syspreds] stream_position_field(line_count, _1726850)
   Exit: (214) [$syspreds] stream_position_field(line_count, 2)
   Call: (214) [system] arg(2, '$stream_position'(1470, 46, 0, 1470), _1717556)
   Exit: (214) [system] arg(2, '$stream_position'(1470, 46, 0, 1470), 46)
   Exit: (213) [$syspreds] stream_position_data(line_count, '$stream_position'(1470, 46, 0, 1470), 46)
   Call: (213) [$syspreds] stream_position_data(line_position, '$stream_position'(1470, 46, 0, 1470), _1717558)
   Call: (214) [system] nonvar(line_position)
   Exit: (214) [system] nonvar(line_position)
   Call: (214) [$syspreds] stream_position_field(line_position, _1734284)
   Exit: (214) [$syspreds] stream_position_field(line_position, 3)
   Call: (214) [system] arg(3, '$stream_position'(1470, 46, 0, 1470), _1717558)
   Exit: (214) [system] arg(3, '$stream_position'(1470, 46, 0, 1470), 0)
   Exit: (213) [$syspreds] stream_position_data(line_position, '$stream_position'(1470, 46, 0, 1470), 0)
   Call: (213) [$syspreds] stream_position_data(char_count, '$stream_position'(1470, 46, 0, 1470), _1717560)
   Call: (214) [system] nonvar(char_count)
   Exit: (214) [system] nonvar(char_count)
   Call: (214) [$syspreds] stream_position_field(char_count, _1741718)
   Exit: (214) [$syspreds] stream_position_field(char_count, 1)
   Call: (214) [system] arg(1, '$stream_position'(1470, 46, 0, 1470), _1717560)
   Exit: (214) [system] arg(1, '$stream_position'(1470, 46, 0, 1470), 1470)
   Exit: (213) [$syspreds] stream_position_data(char_count, '$stream_position'(1470, 46, 0, 1470), 1470)
^  Exit: (212) [user] read_position((0x56051b6b4f40), 46, 0, 1470, '$stream_position'(1470, 46, 0, 1470))
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1747312)
   Call: (213) [system] get_char((0x56051b6b4f40), _1748242)
   Exit: (213) [system] get_char((0x56051b6b4f40), ;)
   Call: (213) [system] char_type(;, end_of_line)
   Call: (213) [system] (;)=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1751956)
   Call: (214) [system] get_char((0x56051b6b4f40), _1752886)
   Exit: (214) [system] get_char((0x56051b6b4f40), ;)
   Call: (214) [system] char_type(;, end_of_line)
   Call: (214) [system] (;)=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1756600)
   Call: (215) [system] get_char((0x56051b6b4f40), _1757530)
   Exit: (215) [system] get_char((0x56051b6b4f40), '\n')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
   Call: (215) [system] _1756600=""
   Exit: (215) [system] ""=""
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (214) [system] string_concat(;, "", _1751956)
   Exit: (214) [system] string_concat(;, "", ";")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), ";")
   Call: (213) [system] string_concat(;, ";", _1747312)
   Exit: (213) [system] string_concat(;, ";", ";;")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), ";;")
^  Call: (212) [user] assertz(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Exit: (212) [user] assertz(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Exit: (211) [user] read_comment((0x56051b6b4f40))
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1773358)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ;)
   Call: (212) [system] (;)=(;)
   Exit: (212) [system] (;)=(;)
^  Call: (212) [user] read_comment((0x56051b6b4f40))
^  Call: (213) [user] read_position((0x56051b6b4f40), _1777996, _1777998, _1778000, _1778002)
   Call: (214) [system] stream_property((0x56051b6b4f40), position(_1778002))
   Call: (215) [system] nonvar((0x56051b6b4f40))
   Exit: (215) [system] nonvar((0x56051b6b4f40))
   Call: (215) [system] nonvar(position(_1778002))
   Exit: (215) [system] nonvar(position(_1778002))
   Exit: (214) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1473, 47, 0, 1473)))
   Call: (214) [$syspreds] stream_position_data(line_count, '$stream_position'(1473, 47, 0, 1473), _1777996)
   Call: (215) [system] nonvar(line_count)
   Exit: (215) [system] nonvar(line_count)
   Call: (215) [$syspreds] stream_position_field(line_count, _1787290)
   Exit: (215) [$syspreds] stream_position_field(line_count, 2)
   Call: (215) [system] arg(2, '$stream_position'(1473, 47, 0, 1473), _1777996)
   Exit: (215) [system] arg(2, '$stream_position'(1473, 47, 0, 1473), 47)
   Exit: (214) [$syspreds] stream_position_data(line_count, '$stream_position'(1473, 47, 0, 1473), 47)
   Call: (214) [$syspreds] stream_position_data(line_position, '$stream_position'(1473, 47, 0, 1473), _1777998)
   Call: (215) [system] nonvar(line_position)
   Exit: (215) [system] nonvar(line_position)
   Call: (215) [$syspreds] stream_position_field(line_position, _1794724)
   Exit: (215) [$syspreds] stream_position_field(line_position, 3)
   Call: (215) [system] arg(3, '$stream_position'(1473, 47, 0, 1473), _1777998)
   Exit: (215) [system] arg(3, '$stream_position'(1473, 47, 0, 1473), 0)
   Exit: (214) [$syspreds] stream_position_data(line_position, '$stream_position'(1473, 47, 0, 1473), 0)
   Call: (214) [$syspreds] stream_position_data(char_count, '$stream_position'(1473, 47, 0, 1473), _1778000)
   Call: (215) [system] nonvar(char_count)
   Exit: (215) [system] nonvar(char_count)
   Call: (215) [$syspreds] stream_position_field(char_count, _1802158)
   Exit: (215) [$syspreds] stream_position_field(char_count, 1)
   Call: (215) [system] arg(1, '$stream_position'(1473, 47, 0, 1473), _1778000)
   Exit: (215) [system] arg(1, '$stream_position'(1473, 47, 0, 1473), 1473)
   Exit: (214) [$syspreds] stream_position_data(char_count, '$stream_position'(1473, 47, 0, 1473), 1473)
^  Exit: (213) [user] read_position((0x56051b6b4f40), 47, 0, 1473, '$stream_position'(1473, 47, 0, 1473))
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1807752)
   Call: (214) [system] get_char((0x56051b6b4f40), _1808682)
   Exit: (214) [system] get_char((0x56051b6b4f40), ;)
   Call: (214) [system] char_type(;, end_of_line)
   Call: (214) [system] (;)=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1812396)
   Call: (215) [system] get_char((0x56051b6b4f40), _1813326)
   Exit: (215) [system] get_char((0x56051b6b4f40), ;)
   Call: (215) [system] char_type(;, end_of_line)
   Call: (215) [system] (;)=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1817040)
   Call: (216) [system] get_char((0x56051b6b4f40), _1817970)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
   Call: (216) [system] char_type(' ', end_of_line)
   Call: (216) [system] ' '=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _1821684)
   Call: (217) [system] get_char((0x56051b6b4f40), _1822614)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'T')
   Call: (217) [system] char_type('T', end_of_line)
   Call: (217) [system] 'T'=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _1826328)
   Call: (218) [system] get_char((0x56051b6b4f40), _1827258)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'O')
   Call: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _1830972)
   Call: (219) [system] get_char((0x56051b6b4f40), _1831902)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'D')
   Call: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _1835616)
   Call: (220) [system] get_char((0x56051b6b4f40), _1836546)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'O')
   Call: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _1840260)
   Call: (221) [system] get_char((0x56051b6b4f40), _1841190)
   Exit: (221) [system] get_char((0x56051b6b4f40), :)
   Call: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] (:)=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _1844904)
   Call: (222) [system] get_char((0x56051b6b4f40), _1845834)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
   Call: (222) [system] char_type(' ', end_of_line)
   Call: (222) [system] ' '=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _1849548)
   Call: (223) [system] get_char((0x56051b6b4f40), _1850478)
   Exit: (223) [system] get_char((0x56051b6b4f40), r)
   Call: (223) [system] char_type(r, end_of_line)
   Call: (223) [system] r=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _1854192)
   Call: (224) [system] get_char((0x56051b6b4f40), _1855122)
   Exit: (224) [system] get_char((0x56051b6b4f40), e)
   Call: (224) [system] char_type(e, end_of_line)
   Call: (224) [system] e=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _1858836)
   Call: (225) [system] get_char((0x56051b6b4f40), _1859766)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] c=end_of_file
^  Call: (225) [user] read_until_eol((0x56051b6b4f40), _1863480)
   Call: (226) [system] get_char((0x56051b6b4f40), _1864410)
   Exit: (226) [system] get_char((0x56051b6b4f40), u)
   Call: (226) [system] char_type(u, end_of_line)
   Call: (226) [system] u=end_of_file
^  Call: (226) [user] read_until_eol((0x56051b6b4f40), _1868124)
   Call: (227) [system] get_char((0x56051b6b4f40), _1869054)
   Exit: (227) [system] get_char((0x56051b6b4f40), r)
   Call: (227) [system] char_type(r, end_of_line)
   Call: (227) [system] r=end_of_file
^  Call: (227) [user] read_until_eol((0x56051b6b4f40), _1872768)
   Call: (228) [system] get_char((0x56051b6b4f40), _1873698)
   Exit: (228) [system] get_char((0x56051b6b4f40), s)
   Call: (228) [system] char_type(s, end_of_line)
   Call: (228) [system] s=end_of_file
^  Call: (228) [user] read_until_eol((0x56051b6b4f40), _1877412)
   Call: (229) [system] get_char((0x56051b6b4f40), _1878342)
   Exit: (229) [system] get_char((0x56051b6b4f40), e)
   Call: (229) [system] char_type(e, end_of_line)
   Call: (229) [system] e=end_of_file
^  Call: (229) [user] read_until_eol((0x56051b6b4f40), _1882056)
   Call: (230) [system] get_char((0x56051b6b4f40), _1882986)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
   Call: (230) [system] char_type(' ', end_of_line)
   Call: (230) [system] ' '=end_of_file
^  Call: (230) [user] read_until_eol((0x56051b6b4f40), _1886700)
   Call: (231) [system] get_char((0x56051b6b4f40), _1887630)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] char_type(o, end_of_line)
   Call: (231) [system] o=end_of_file
^  Call: (231) [user] read_until_eol((0x56051b6b4f40), _1891344)
   Call: (232) [system] get_char((0x56051b6b4f40), _1892274)
   Exit: (232) [system] get_char((0x56051b6b4f40), v)
   Call: (232) [system] char_type(v, end_of_line)
   Call: (232) [system] v=end_of_file
^  Call: (232) [user] read_until_eol((0x56051b6b4f40), _1895988)
   Call: (233) [system] get_char((0x56051b6b4f40), _1896918)
   Exit: (233) [system] get_char((0x56051b6b4f40), e)
   Call: (233) [system] char_type(e, end_of_line)
   Call: (233) [system] e=end_of_file
^  Call: (233) [user] read_until_eol((0x56051b6b4f40), _1900632)
   Call: (234) [system] get_char((0x56051b6b4f40), _1901562)
   Exit: (234) [system] get_char((0x56051b6b4f40), r)
   Call: (234) [system] char_type(r, end_of_line)
   Call: (234) [system] r=end_of_file
^  Call: (234) [user] read_until_eol((0x56051b6b4f40), _1905276)
   Call: (235) [system] get_char((0x56051b6b4f40), _1906206)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
   Call: (235) [system] char_type(' ', end_of_line)
   Call: (235) [system] ' '=end_of_file
^  Call: (235) [user] read_until_eol((0x56051b6b4f40), _1909920)
   Call: (236) [system] get_char((0x56051b6b4f40), _1910850)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] char_type(c, end_of_line)
   Call: (236) [system] c=end_of_file
^  Call: (236) [user] read_until_eol((0x56051b6b4f40), _1914564)
   Call: (237) [system] get_char((0x56051b6b4f40), _1915494)
   Exit: (237) [system] get_char((0x56051b6b4f40), u)
   Call: (237) [system] char_type(u, end_of_line)
   Call: (237) [system] u=end_of_file
^  Call: (237) [user] read_until_eol((0x56051b6b4f40), _1919208)
   Call: (238) [system] get_char((0x56051b6b4f40), _1920138)
   Exit: (238) [system] get_char((0x56051b6b4f40), r)
   Call: (238) [system] char_type(r, end_of_line)
   Call: (238) [system] r=end_of_file
^  Call: (238) [user] read_until_eol((0x56051b6b4f40), _1923852)
   Call: (239) [system] get_char((0x56051b6b4f40), _1924782)
   Exit: (239) [system] get_char((0x56051b6b4f40), r)
   Call: (239) [system] char_type(r, end_of_line)
   Call: (239) [system] r=end_of_file
^  Call: (239) [user] read_until_eol((0x56051b6b4f40), _1928496)
   Call: (240) [system] get_char((0x56051b6b4f40), _1929426)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] char_type(i, end_of_line)
   Call: (240) [system] i=end_of_file
^  Call: (240) [user] read_until_eol((0x56051b6b4f40), _1933140)
   Call: (241) [system] get_char((0x56051b6b4f40), _1934070)
   Exit: (241) [system] get_char((0x56051b6b4f40), e)
   Call: (241) [system] char_type(e, end_of_line)
   Call: (241) [system] e=end_of_file
^  Call: (241) [user] read_until_eol((0x56051b6b4f40), _1937784)
   Call: (242) [system] get_char((0x56051b6b4f40), _1938714)
   Exit: (242) [system] get_char((0x56051b6b4f40), d)
   Call: (242) [system] char_type(d, end_of_line)
   Call: (242) [system] d=end_of_file
^  Call: (242) [user] read_until_eol((0x56051b6b4f40), _1942428)
   Call: (243) [system] get_char((0x56051b6b4f40), _1943358)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
   Call: (243) [system] char_type(' ', end_of_line)
   Call: (243) [system] ' '=end_of_file
^  Call: (243) [user] read_until_eol((0x56051b6b4f40), _1947072)
   Call: (244) [system] get_char((0x56051b6b4f40), _1948002)
   Exit: (244) [system] get_char((0x56051b6b4f40), r)
   Call: (244) [system] char_type(r, end_of_line)
   Call: (244) [system] r=end_of_file
^  Call: (244) [user] read_until_eol((0x56051b6b4f40), _1951716)
   Call: (245) [system] get_char((0x56051b6b4f40), _1952646)
   Exit: (245) [system] get_char((0x56051b6b4f40), u)
   Call: (245) [system] char_type(u, end_of_line)
   Call: (245) [system] u=end_of_file
^  Call: (245) [user] read_until_eol((0x56051b6b4f40), _1956360)
   Call: (246) [system] get_char((0x56051b6b4f40), _1957290)
   Exit: (246) [system] get_char((0x56051b6b4f40), l)
   Call: (246) [system] char_type(l, end_of_line)
   Call: (246) [system] l=end_of_file
^  Call: (246) [user] read_until_eol((0x56051b6b4f40), _1961004)
   Call: (247) [system] get_char((0x56051b6b4f40), _1961934)
   Exit: (247) [system] get_char((0x56051b6b4f40), e)
   Call: (247) [system] char_type(e, end_of_line)
   Call: (247) [system] e=end_of_file
^  Call: (247) [user] read_until_eol((0x56051b6b4f40), _1965648)
   Call: (248) [system] get_char((0x56051b6b4f40), _1966578)
   Exit: (248) [system] get_char((0x56051b6b4f40), s)
   Call: (248) [system] char_type(s, end_of_line)
   Call: (248) [system] s=end_of_file
^  Call: (248) [user] read_until_eol((0x56051b6b4f40), _1970292)
   Call: (249) [system] get_char((0x56051b6b4f40), _1971222)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
   Call: (249) [system] char_type(' ', end_of_line)
   Call: (249) [system] ' '=end_of_file
^  Call: (249) [user] read_until_eol((0x56051b6b4f40), _1974936)
   Call: (250) [system] get_char((0x56051b6b4f40), _1975866)
   Exit: (250) [system] get_char((0x56051b6b4f40), i)
   Call: (250) [system] char_type(i, end_of_line)
   Call: (250) [system] i=end_of_file
^  Call: (250) [user] read_until_eol((0x56051b6b4f40), _1979580)
   Call: (251) [system] get_char((0x56051b6b4f40), _1980510)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] char_type(n, end_of_line)
   Call: (251) [system] n=end_of_file
^  Call: (251) [user] read_until_eol((0x56051b6b4f40), _1984224)
   Call: (252) [system] get_char((0x56051b6b4f40), _1985154)
   Exit: (252) [system] get_char((0x56051b6b4f40), s)
   Call: (252) [system] char_type(s, end_of_line)
   Call: (252) [system] s=end_of_file
^  Call: (252) [user] read_until_eol((0x56051b6b4f40), _1988868)
   Call: (253) [system] get_char((0x56051b6b4f40), _1989798)
   Exit: (253) [system] get_char((0x56051b6b4f40), t)
   Call: (253) [system] char_type(t, end_of_line)
   Call: (253) [system] t=end_of_file
^  Call: (253) [user] read_until_eol((0x56051b6b4f40), _1993512)
   Call: (254) [system] get_char((0x56051b6b4f40), _1994442)
   Exit: (254) [system] get_char((0x56051b6b4f40), e)
   Call: (254) [system] char_type(e, end_of_line)
   Call: (254) [system] e=end_of_file
^  Call: (254) [user] read_until_eol((0x56051b6b4f40), _1998156)
   Call: (255) [system] get_char((0x56051b6b4f40), _1999086)
   Exit: (255) [system] get_char((0x56051b6b4f40), a)
   Call: (255) [system] char_type(a, end_of_line)
   Call: (255) [system] a=end_of_file
^  Call: (255) [user] read_until_eol((0x56051b6b4f40), _2002800)
   Call: (256) [system] get_char((0x56051b6b4f40), _2003730)
   Exit: (256) [system] get_char((0x56051b6b4f40), d)
   Call: (256) [system] char_type(d, end_of_line)
   Call: (256) [system] d=end_of_file
^  Call: (256) [user] read_until_eol((0x56051b6b4f40), _2007444)
   Call: (257) [system] get_char((0x56051b6b4f40), _2008374)
   Exit: (257) [system] get_char((0x56051b6b4f40), ' ')
   Call: (257) [system] char_type(' ', end_of_line)
   Call: (257) [system] ' '=end_of_file
^  Call: (257) [user] read_until_eol((0x56051b6b4f40), _2012088)
   Call: (258) [system] get_char((0x56051b6b4f40), _2013018)
   Exit: (258) [system] get_char((0x56051b6b4f40), o)
   Call: (258) [system] char_type(o, end_of_line)
   Call: (258) [system] o=end_of_file
^  Call: (258) [user] read_until_eol((0x56051b6b4f40), _2016732)
   Call: (259) [system] get_char((0x56051b6b4f40), _2017662)
   Exit: (259) [system] get_char((0x56051b6b4f40), f)
   Call: (259) [system] char_type(f, end_of_line)
   Call: (259) [system] f=end_of_file
^  Call: (259) [user] read_until_eol((0x56051b6b4f40), _2021376)
   Call: (260) [system] get_char((0x56051b6b4f40), _2022306)
   Exit: (260) [system] get_char((0x56051b6b4f40), ' ')
   Call: (260) [system] char_type(' ', end_of_line)
   Call: (260) [system] ' '=end_of_file
^  Call: (260) [user] read_until_eol((0x56051b6b4f40), _2026020)
   Call: (261) [system] get_char((0x56051b6b4f40), _2026950)
   Exit: (261) [system] get_char((0x56051b6b4f40), d)
   Call: (261) [system] char_type(d, end_of_line)
   Call: (261) [system] d=end_of_file
^  Call: (261) [user] read_until_eol((0x56051b6b4f40), _2030664)
   Call: (262) [system] get_char((0x56051b6b4f40), _2031594)
   Exit: (262) [system] get_char((0x56051b6b4f40), u)
   Call: (262) [system] char_type(u, end_of_line)
   Call: (262) [system] u=end_of_file
^  Call: (262) [user] read_until_eol((0x56051b6b4f40), _2035308)
   Call: (263) [system] get_char((0x56051b6b4f40), _2036238)
   Exit: (263) [system] get_char((0x56051b6b4f40), p)
   Call: (263) [system] char_type(p, end_of_line)
   Call: (263) [system] p=end_of_file
^  Call: (263) [user] read_until_eol((0x56051b6b4f40), _2039952)
   Call: (264) [system] get_char((0x56051b6b4f40), _2040882)
   Exit: (264) [system] get_char((0x56051b6b4f40), l)
   Call: (264) [system] char_type(l, end_of_line)
   Call: (264) [system] l=end_of_file
^  Call: (264) [user] read_until_eol((0x56051b6b4f40), _2044596)
   Call: (265) [system] get_char((0x56051b6b4f40), _2045526)
   Exit: (265) [system] get_char((0x56051b6b4f40), i)
   Call: (265) [system] char_type(i, end_of_line)
   Call: (265) [system] i=end_of_file
^  Call: (265) [user] read_until_eol((0x56051b6b4f40), _2049240)
   Call: (266) [system] get_char((0x56051b6b4f40), _2050170)
   Exit: (266) [system] get_char((0x56051b6b4f40), c)
   Call: (266) [system] char_type(c, end_of_line)
   Call: (266) [system] c=end_of_file
^  Call: (266) [user] read_until_eol((0x56051b6b4f40), _2053884)
   Call: (267) [system] get_char((0x56051b6b4f40), _2054814)
   Exit: (267) [system] get_char((0x56051b6b4f40), a)
   Call: (267) [system] char_type(a, end_of_line)
   Call: (267) [system] a=end_of_file
^  Call: (267) [user] read_until_eol((0x56051b6b4f40), _2058528)
   Call: (268) [system] get_char((0x56051b6b4f40), _2059458)
   Exit: (268) [system] get_char((0x56051b6b4f40), t)
   Call: (268) [system] char_type(t, end_of_line)
   Call: (268) [system] t=end_of_file
^  Call: (268) [user] read_until_eol((0x56051b6b4f40), _2063172)
   Call: (269) [system] get_char((0x56051b6b4f40), _2064102)
   Exit: (269) [system] get_char((0x56051b6b4f40), i)
   Call: (269) [system] char_type(i, end_of_line)
   Call: (269) [system] i=end_of_file
^  Call: (269) [user] read_until_eol((0x56051b6b4f40), _2067816)
   Call: (270) [system] get_char((0x56051b6b4f40), _2068746)
   Exit: (270) [system] get_char((0x56051b6b4f40), n)
   Call: (270) [system] char_type(n, end_of_line)
   Call: (270) [system] n=end_of_file
^  Call: (270) [user] read_until_eol((0x56051b6b4f40), _2072460)
   Call: (271) [system] get_char((0x56051b6b4f40), _2073390)
   Exit: (271) [system] get_char((0x56051b6b4f40), g)
   Call: (271) [system] char_type(g, end_of_line)
   Call: (271) [system] g=end_of_file
^  Call: (271) [user] read_until_eol((0x56051b6b4f40), _2077104)
   Call: (272) [system] get_char((0x56051b6b4f40), _2078034)
   Exit: (272) [system] get_char((0x56051b6b4f40), ' ')
   Call: (272) [system] char_type(' ', end_of_line)
   Call: (272) [system] ' '=end_of_file
^  Call: (272) [user] read_until_eol((0x56051b6b4f40), _2081748)
   Call: (273) [system] get_char((0x56051b6b4f40), _2082678)
   Exit: (273) [system] get_char((0x56051b6b4f40), c)
   Call: (273) [system] char_type(c, end_of_line)
   Call: (273) [system] c=end_of_file
^  Call: (273) [user] read_until_eol((0x56051b6b4f40), _2086392)
   Call: (274) [system] get_char((0x56051b6b4f40), _2087322)
   Exit: (274) [system] get_char((0x56051b6b4f40), o)
   Call: (274) [system] char_type(o, end_of_line)
   Call: (274) [system] o=end_of_file
^  Call: (274) [user] read_until_eol((0x56051b6b4f40), _2091036)
   Call: (275) [system] get_char((0x56051b6b4f40), _2091966)
   Exit: (275) [system] get_char((0x56051b6b4f40), d)
   Call: (275) [system] char_type(d, end_of_line)
   Call: (275) [system] d=end_of_file
^  Call: (275) [user] read_until_eol((0x56051b6b4f40), _2095680)
   Call: (276) [system] get_char((0x56051b6b4f40), _3682)
   Exit: (276) [system] get_char((0x56051b6b4f40), e)
   Call: (276) [system] char_type(e, end_of_line)
   Call: (276) [system] e=end_of_file
^  Call: (276) [user] read_until_eol((0x56051b6b4f40), _7214)
   Call: (277) [system] get_char((0x56051b6b4f40), _8144)
   Exit: (277) [system] get_char((0x56051b6b4f40), ' ')
   Call: (277) [system] char_type(' ', end_of_line)
   Call: (277) [system] ' '=end_of_file
^  Call: (277) [user] read_until_eol((0x56051b6b4f40), _11858)
   Call: (278) [system] get_char((0x56051b6b4f40), _12788)
   Exit: (278) [system] get_char((0x56051b6b4f40), o)
   Call: (278) [system] char_type(o, end_of_line)
   Call: (278) [system] o=end_of_file
^  Call: (278) [user] read_until_eol((0x56051b6b4f40), _16502)
   Call: (279) [system] get_char((0x56051b6b4f40), _17432)
   Exit: (279) [system] get_char((0x56051b6b4f40), v)
   Call: (279) [system] char_type(v, end_of_line)
   Call: (279) [system] v=end_of_file
^  Call: (279) [user] read_until_eol((0x56051b6b4f40), _21146)
   Call: (280) [system] get_char((0x56051b6b4f40), _22076)
   Exit: (280) [system] get_char((0x56051b6b4f40), e)
   Call: (280) [system] char_type(e, end_of_line)
   Call: (280) [system] e=end_of_file
^  Call: (280) [user] read_until_eol((0x56051b6b4f40), _25790)
   Call: (281) [system] get_char((0x56051b6b4f40), _26720)
   Exit: (281) [system] get_char((0x56051b6b4f40), r)
   Call: (281) [system] char_type(r, end_of_line)
   Call: (281) [system] r=end_of_file
^  Call: (281) [user] read_until_eol((0x56051b6b4f40), _30434)
   Call: (282) [system] get_char((0x56051b6b4f40), _31364)
   Exit: (282) [system] get_char((0x56051b6b4f40), '\n')
   Call: (282) [system] char_type('\n', end_of_line)
   Exit: (282) [system] char_type('\n', end_of_line)
   Call: (282) [system] _30434=""
   Exit: (282) [system] ""=""
^  Exit: (281) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (281) [system] string_concat(r, "", _25790)
   Exit: (281) [system] string_concat(r, "", "r")
^  Exit: (280) [user] read_until_eol((0x56051b6b4f40), "r")
   Call: (280) [system] string_concat(e, "r", _21146)
   Exit: (280) [system] string_concat(e, "r", "er")
^  Exit: (279) [user] read_until_eol((0x56051b6b4f40), "er")
   Call: (279) [system] string_concat(v, "er", _16502)
   Exit: (279) [system] string_concat(v, "er", "ver")
^  Exit: (278) [user] read_until_eol((0x56051b6b4f40), "ver")
   Call: (278) [system] string_concat(o, "ver", _11858)
   Exit: (278) [system] string_concat(o, "ver", "over")
^  Exit: (277) [user] read_until_eol((0x56051b6b4f40), "over")
   Call: (277) [system] string_concat(' ', "over", _7214)
   Exit: (277) [system] string_concat(' ', "over", " over")
^  Exit: (276) [user] read_until_eol((0x56051b6b4f40), " over")
   Call: (276) [system] string_concat(e, " over", _3678)
   Exit: (276) [system] string_concat(e, " over", "e over")
^  Exit: (275) [user] read_until_eol((0x56051b6b4f40), "e over")
   Call: (275) [system] string_concat(d, "e over", _3674)
   Exit: (275) [system] string_concat(d, "e over", "de over")
^  Exit: (274) [user] read_until_eol((0x56051b6b4f40), "de over")
   Call: (274) [system] string_concat(o, "de over", _3670)
   Exit: (274) [system] string_concat(o, "de over", "ode over")
^  Exit: (273) [user] read_until_eol((0x56051b6b4f40), "ode over")
   Call: (273) [system] string_concat(c, "ode over", _3666)
   Exit: (273) [system] string_concat(c, "ode over", "code over")
^  Exit: (272) [user] read_until_eol((0x56051b6b4f40), "code over")
   Call: (272) [system] string_concat(' ', "code over", _3662)
   Exit: (272) [system] string_concat(' ', "code over", " code over")
^  Exit: (271) [user] read_until_eol((0x56051b6b4f40), " code over")
   Call: (271) [system] string_concat(g, " code over", _3658)
   Exit: (271) [system] string_concat(g, " code over", "g code over")
^  Exit: (270) [user] read_until_eol((0x56051b6b4f40), "g code over")
   Call: (270) [system] string_concat(n, "g code over", _3654)
   Exit: (270) [system] string_concat(n, "g code over", "ng code over")
^  Exit: (269) [user] read_until_eol((0x56051b6b4f40), "ng code over")
   Call: (269) [system] string_concat(i, "ng code over", _3650)
   Exit: (269) [system] string_concat(i, "ng code over", "ing code over")
^  Exit: (268) [user] read_until_eol((0x56051b6b4f40), "ing code over")
   Call: (268) [system] string_concat(t, "ing code over", _3646)
   Exit: (268) [system] string_concat(t, "ing code over", "ting code over")
^  Exit: (267) [user] read_until_eol((0x56051b6b4f40), "ting code over")
   Call: (267) [system] string_concat(a, "ting code over", _3642)
   Exit: (267) [system] string_concat(a, "ting code over", "ating code over")
^  Exit: (266) [user] read_until_eol((0x56051b6b4f40), "ating code over")
   Call: (266) [system] string_concat(c, "ating code over", _3638)
   Exit: (266) [system] string_concat(c, "ating code over", "cating code over")
^  Exit: (265) [user] read_until_eol((0x56051b6b4f40), "cating code over")
   Call: (265) [system] string_concat(i, "cating code over", _3634)
   Exit: (265) [system] string_concat(i, "cating code over", "icating code over")
^  Exit: (264) [user] read_until_eol((0x56051b6b4f40), "icating code over")
   Call: (264) [system] string_concat(l, "icating code over", _3630)
   Exit: (264) [system] string_concat(l, "icating code over", "licating code over")
^  Exit: (263) [user] read_until_eol((0x56051b6b4f40), "licating code over")
   Call: (263) [system] string_concat(p, "licating code over", _3626)
   Exit: (263) [system] string_concat(p, "licating code over", "plicating code over")
^  Exit: (262) [user] read_until_eol((0x56051b6b4f40), "plicating code over")
   Call: (262) [system] string_concat(u, "plicating code over", _3622)
   Exit: (262) [system] string_concat(u, "plicating code over", "uplicating code over")
^  Exit: (261) [user] read_until_eol((0x56051b6b4f40), "uplicating code over")
   Call: (261) [system] string_concat(d, "uplicating code over", _3618)
   Exit: (261) [system] string_concat(d, "uplicating code over", "duplicating code over")
^  Exit: (260) [user] read_until_eol((0x56051b6b4f40), "duplicating code over")
   Call: (260) [system] string_concat(' ', "duplicating code over", _3614)
   Exit: (260) [system] string_concat(' ', "duplicating code over", " duplicating code over")
^  Exit: (259) [user] read_until_eol((0x56051b6b4f40), " duplicating code over")
   Call: (259) [system] string_concat(f, " duplicating code over", _3610)
   Exit: (259) [system] string_concat(f, " duplicating code over", "f duplicating code over")
^  Exit: (258) [user] read_until_eol((0x56051b6b4f40), "f duplicating code over")
   Call: (258) [system] string_concat(o, "f duplicating code over", _3606)
   Exit: (258) [system] string_concat(o, "f duplicating code over", "of duplicating code over")
^  Exit: (257) [user] read_until_eol((0x56051b6b4f40), "of duplicating code over")
   Call: (257) [system] string_concat(' ', "of duplicating code over", _3602)
   Exit: (257) [system] string_concat(' ', "of duplicating code over", " of duplicating code over")
^  Exit: (256) [user] read_until_eol((0x56051b6b4f40), " of duplicating code over")
   Call: (256) [system] string_concat(d, " of duplicating code over", _3598)
   Exit: (256) [system] string_concat(d, " of duplicating code over", "d of duplicating code over")
^  Exit: (255) [user] read_until_eol((0x56051b6b4f40), "d of duplicating code over")
   Call: (255) [system] string_concat(a, "d of duplicating code over", _3594)
   Exit: (255) [system] string_concat(a, "d of duplicating code over", "ad of duplicating code over")
^  Exit: (254) [user] read_until_eol((0x56051b6b4f40), "ad of duplicating code over")
   Call: (254) [system] string_concat(e, "ad of duplicating code over", _3590)
   Exit: (254) [system] string_concat(e, "ad of duplicating code over", "ead of duplicating code over")
^  Exit: (253) [user] read_until_eol((0x56051b6b4f40), "ead of duplicating code over")
   Call: (253) [system] string_concat(t, "ead of duplicating code over", _3586)
   Exit: (253) [system] string_concat(t, "ead of duplicating code over", "tead of duplicating code over")
^  Exit: (252) [user] read_until_eol((0x56051b6b4f40), "tead of duplicating code over")
   Call: (252) [system] string_concat(s, "tead of duplicating code over", _3582)
   Exit: (252) [system] string_concat(s, "tead of duplicating code over", "stead of duplicating code over")
^  Exit: (251) [user] read_until_eol((0x56051b6b4f40), "stead of duplicating code over")
   Call: (251) [system] string_concat(n, "stead of duplicating code over", _3578)
   Exit: (251) [system] string_concat(n, "stead of duplicating code over", "nstead of duplicating code over")
^  Exit: (250) [user] read_until_eol((0x56051b6b4f40), "nstead of duplicating code over")
   Call: (250) [system] string_concat(i, "nstead of duplicating code over", _3574)
   Exit: (250) [system] string_concat(i, "nstead of duplicating code over", "instead of duplicating code over")
^  Exit: (249) [user] read_until_eol((0x56051b6b4f40), "instead of duplicating code over")
   Call: (249) [system] string_concat(' ', "instead of duplicating code over", _3570)
   Exit: (249) [system] string_concat(' ', "instead of duplicating code over", " instead of duplicating code over")
^  Exit: (248) [user] read_until_eol((0x56051b6b4f40), " instead of duplicating code over")
   Call: (248) [system] string_concat(s, " instead of duplicating code over", _3566)
   Exit: (248) [system] string_concat(s, " instead of duplicating code over", "s instead of duplicating code over")
^  Exit: (247) [user] read_until_eol((0x56051b6b4f40), "s instead of duplicating code over")
   Call: (247) [system] string_concat(e, "s instead of duplicating code over", _3562)
   Exit: (247) [system] string_concat(e, "s instead of duplicating code over", "es instead of duplicating code over")
^  Exit: (246) [user] read_until_eol((0x56051b6b4f40), "es instead of duplicating code over")
   Call: (246) [system] string_concat(l, "es instead of duplicating code over", _3558)
   Exit: (246) [system] string_concat(l, "es instead of duplicating code over", "les instead of duplicating code over")
^  Exit: (245) [user] read_until_eol((0x56051b6b4f40), "les instead of duplicating code over")
   Call: (245) [system] string_concat(u, "les instead of duplicating code over", _3554)
   Exit: (245) [system] string_concat(u, "les instead of duplicating code over", "ules instead of duplicating code over")
^  Exit: (244) [user] read_until_eol((0x56051b6b4f40), "ules instead of duplicating code over")
   Call: (244) [system] string_concat(r, "ules instead of duplicating code over", _3550)
   Exit: (244) [system] string_concat(r, "ules instead of duplicating code over", "rules instead of duplicating code over")
^  Exit: (243) [user] read_until_eol((0x56051b6b4f40), "rules instead of duplicating code over")
   Call: (243) [system] string_concat(' ', "rules instead of duplicating code over", _3546)
   Exit: (243) [system] string_concat(' ', "rules instead of duplicating code over", " rules instead of duplicating code over")
^  Exit: (242) [user] read_until_eol((0x56051b6b4f40), " rules instead of duplicating code over")
   Call: (242) [system] string_concat(d, " rules instead of duplicating code over", _3542)
   Exit: (242) [system] string_concat(d, " rules instead of duplicating code over", "d rules instead of duplicating code over")
^  Exit: (241) [user] read_until_eol((0x56051b6b4f40), "d rules instead of duplicating code over")
   Call: (241) [system] string_concat(e, "d rules instead of duplicating code over", _3538)
   Exit: (241) [system] string_concat(e, "d rules instead of duplicating code over", "ed rules instead of duplicating code over")
^  Exit: (240) [user] read_until_eol((0x56051b6b4f40), "ed rules instead of duplicating code over")
   Call: (240) [system] string_concat(i, "ed rules instead of duplicating code over", _3534)
   Exit: (240) [system] string_concat(i, "ed rules instead of duplicating code over", "ied rules instead of duplicating code over")
^  Exit: (239) [user] read_until_eol((0x56051b6b4f40), "ied rules instead of duplicating code over")
   Call: (239) [system] string_concat(r, "ied rules instead of duplicating code over", _3530)
   Exit: (239) [system] string_concat(r, "ied rules instead of duplicating code over", "ried rules instead of duplicating code over")
^  Exit: (238) [user] read_until_eol((0x56051b6b4f40), "ried rules instead of duplicating code over")
   Call: (238) [system] string_concat(r, "ried rules instead of duplicating code over", _3526)
   Exit: (238) [system] string_concat(r, "ried rules instead of duplicating code over", "rried rules instead of duplicating code over")
^  Exit: (237) [user] read_until_eol((0x56051b6b4f40), "rried rules instead of duplicating code over")
   Call: (237) [system] string_concat(u, "rried rules instead of duplicating code over", _3522)
   Exit: (237) [system] string_concat(u, "rried rules instead of duplicating code over", "urried rules instead of duplicating code over")
^  Exit: (236) [user] read_until_eol((0x56051b6b4f40), "urried rules instead of duplicating code over")
   Call: (236) [system] string_concat(c, "urried rules instead of duplicating code over", _3518)
   Exit: (236) [system] string_concat(c, "urried rules instead of duplicating code over", "curried rules instead of duplicating code over")
^  Exit: (235) [user] read_until_eol((0x56051b6b4f40), "curried rules instead of duplicating code over")
   Call: (235) [system] string_concat(' ', "curried rules instead of duplicating code over", _3514)
   Exit: (235) [system] string_concat(' ', "curried rules instead of duplicating code over", " curried rules instead of duplicating code over")
^  Exit: (234) [user] read_until_eol((0x56051b6b4f40), " curried rules instead of duplicating code over")
   Call: (234) [system] string_concat(r, " curried rules instead of duplicating code over", _3510)
   Exit: (234) [system] string_concat(r, " curried rules instead of duplicating code over", "r curried rules instead of duplicating code over")
^  Exit: (233) [user] read_until_eol((0x56051b6b4f40), "r curried rules instead of duplicating code over")
   Call: (233) [system] string_concat(e, "r curried rules instead of duplicating code over", _3506)
   Exit: (233) [system] string_concat(e, "r curried rules instead of duplicating code over", "er curried rules instead of duplicating code over")
^  Exit: (232) [user] read_until_eol((0x56051b6b4f40), "er curried rules instead of duplicating code over")
   Call: (232) [system] string_concat(v, "er curried rules instead of duplicating code over", _3502)
   Exit: (232) [system] string_concat(v, "er curried rules instead of duplicating code over", "ver curried rules instead of duplicating code over")
^  Exit: (231) [user] read_until_eol((0x56051b6b4f40), "ver curried rules instead of duplicating code over")
   Call: (231) [system] string_concat(o, "ver curried rules instead of duplicating code over", _3498)
   Exit: (231) [system] string_concat(o, "ver curried rules instead of duplicating code over", "over curried rules instead of duplicating code over")
^  Exit: (230) [user] read_until_eol((0x56051b6b4f40), "over curried rules instead of duplicating code over")
   Call: (230) [system] string_concat(' ', "over curried rules instead of duplicating code over", _3494)
   Exit: (230) [system] string_concat(' ', "over curried rules instead of duplicating code over", " over curried rules instead of duplicating code over")
^  Exit: (229) [user] read_until_eol((0x56051b6b4f40), " over curried rules instead of duplicating code over")
   Call: (229) [system] string_concat(e, " over curried rules instead of duplicating code over", _3490)
   Exit: (229) [system] string_concat(e, " over curried rules instead of duplicating code over", "e over curried rules instead of duplicating code over")
^  Exit: (228) [user] read_until_eol((0x56051b6b4f40), "e over curried rules instead of duplicating code over")
   Call: (228) [system] string_concat(s, "e over curried rules instead of duplicating code over", _3486)
   Exit: (228) [system] string_concat(s, "e over curried rules instead of duplicating code over", "se over curried rules instead of duplicating code over")
^  Exit: (227) [user] read_until_eol((0x56051b6b4f40), "se over curried rules instead of duplicating code over")
   Call: (227) [system] string_concat(r, "se over curried rules instead of duplicating code over", _3482)
   Exit: (227) [system] string_concat(r, "se over curried rules instead of duplicating code over", "rse over curried rules instead of duplicating code over")
^  Exit: (226) [user] read_until_eol((0x56051b6b4f40), "rse over curried rules instead of duplicating code over")
   Call: (226) [system] string_concat(u, "rse over curried rules instead of duplicating code over", _3478)
   Exit: (226) [system] string_concat(u, "rse over curried rules instead of duplicating code over", "urse over curried rules instead of duplicating code over")
^  Exit: (225) [user] read_until_eol((0x56051b6b4f40), "urse over curried rules instead of duplicating code over")
   Call: (225) [system] string_concat(c, "urse over curried rules instead of duplicating code over", _3474)
   Exit: (225) [system] string_concat(c, "urse over curried rules instead of duplicating code over", "curse over curried rules instead of duplicating code over")
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "curse over curried rules instead of duplicating code over")
   Call: (224) [system] string_concat(e, "curse over curried rules instead of duplicating code over", _3470)
   Exit: (224) [system] string_concat(e, "curse over curried rules instead of duplicating code over", "ecurse over curried rules instead of duplicating code over")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), "ecurse over curried rules instead of duplicating code over")
   Call: (223) [system] string_concat(r, "ecurse over curried rules instead of duplicating code over", _3466)
   Exit: (223) [system] string_concat(r, "ecurse over curried rules instead of duplicating code over", "recurse over curried rules instead of duplicating code over")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "recurse over curried rules instead of duplicating code over")
   Call: (222) [system] string_concat(' ', "recurse over curried rules instead of duplicating code over", _3462)
   Exit: (222) [system] string_concat(' ', "recurse over curried rules instead of duplicating code over", " recurse over curried rules instead of duplicating code over")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), " recurse over curried rules instead of duplicating code over")
   Call: (221) [system] string_concat(:, " recurse over curried rules instead of duplicating code over", _3458)
   Exit: (221) [system] string_concat(:, " recurse over curried rules instead of duplicating code over", ": recurse over curried rules instead of duplicating code over")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), ": recurse over curried rules instead of duplicating code over")
   Call: (220) [system] string_concat('O', ": recurse over curried rules instead of duplicating code over", _3454)
   Exit: (220) [system] string_concat('O', ": recurse over curried rules instead of duplicating code over", "O: recurse over curried rules instead of duplicating code over")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "O: recurse over curried rules instead of duplicating code over")
   Call: (219) [system] string_concat('D', "O: recurse over curried rules instead of duplicating code over", _3450)
   Exit: (219) [system] string_concat('D', "O: recurse over curried rules instead of duplicating code over", "DO: recurse over curried rules instead of duplicating code over")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "DO: recurse over curried rules instead of duplicating code over")
   Call: (218) [system] string_concat('O', "DO: recurse over curried rules instead of duplicating code over", _3446)
   Exit: (218) [system] string_concat('O', "DO: recurse over curried rules instead of duplicating code over", "ODO: recurse over curried rules instead of duplicating code over")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "ODO: recurse over curried rules instead of duplicating code over")
   Call: (217) [system] string_concat('T', "ODO: recurse over curried rules instead of duplicating code over", _3442)
   Exit: (217) [system] string_concat('T', "ODO: recurse over curried rules instead of duplicating code over", "TODO: recurse over curried rules instead of duplicating code over")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), "TODO: recurse over curried rules instead of duplicating code over")
   Call: (216) [system] string_concat(' ', "TODO: recurse over curried rules instead of duplicating code over", _3438)
   Exit: (216) [system] string_concat(' ', "TODO: recurse over curried rules instead of duplicating code over", " TODO: recurse over curried rules instead of duplicating code over")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), " TODO: recurse over curried rules instead of duplicating code over")
   Call: (215) [system] string_concat(;, " TODO: recurse over curried rules instead of duplicating code over", _3434)
   Exit: (215) [system] string_concat(;, " TODO: recurse over curried rules instead of duplicating code over", "; TODO: recurse over curried rules instead of duplicating code over")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "; TODO: recurse over curried rules instead of duplicating code over")
   Call: (214) [system] string_concat(;, "; TODO: recurse over curried rules instead of duplicating code over", _3430)
   Exit: (214) [system] string_concat(;, "; TODO: recurse over curried rules instead of duplicating code over", ";; TODO: recurse over curried rules instead of duplicating code over")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), ";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (213) [user] assertz(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Exit: (213) [user] assertz(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Exit: (212) [user] read_comment((0x56051b6b4f40))
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _232404)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ;)
   Call: (213) [system] (;)=(;)
   Exit: (213) [system] (;)=(;)
^  Call: (213) [user] read_comment((0x56051b6b4f40))
^  Call: (214) [user] read_position((0x56051b6b4f40), _237042, _237044, _237046, _237048)
   Call: (215) [system] stream_property((0x56051b6b4f40), position(_237048))
   Call: (216) [system] nonvar((0x56051b6b4f40))
   Exit: (216) [system] nonvar((0x56051b6b4f40))
   Call: (216) [system] nonvar(position(_237048))
   Exit: (216) [system] nonvar(position(_237048))
   Exit: (215) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1542, 48, 0, 1542)))
   Call: (215) [$syspreds] stream_position_data(line_count, '$stream_position'(1542, 48, 0, 1542), _237042)
   Call: (216) [system] nonvar(line_count)
   Exit: (216) [system] nonvar(line_count)
   Call: (216) [$syspreds] stream_position_field(line_count, _246336)
   Exit: (216) [$syspreds] stream_position_field(line_count, 2)
   Call: (216) [system] arg(2, '$stream_position'(1542, 48, 0, 1542), _237042)
   Exit: (216) [system] arg(2, '$stream_position'(1542, 48, 0, 1542), 48)
   Exit: (215) [$syspreds] stream_position_data(line_count, '$stream_position'(1542, 48, 0, 1542), 48)
   Call: (215) [$syspreds] stream_position_data(line_position, '$stream_position'(1542, 48, 0, 1542), _237044)
   Call: (216) [system] nonvar(line_position)
   Exit: (216) [system] nonvar(line_position)
   Call: (216) [$syspreds] stream_position_field(line_position, _253770)
   Exit: (216) [$syspreds] stream_position_field(line_position, 3)
   Call: (216) [system] arg(3, '$stream_position'(1542, 48, 0, 1542), _237044)
   Exit: (216) [system] arg(3, '$stream_position'(1542, 48, 0, 1542), 0)
   Exit: (215) [$syspreds] stream_position_data(line_position, '$stream_position'(1542, 48, 0, 1542), 0)
   Call: (215) [$syspreds] stream_position_data(char_count, '$stream_position'(1542, 48, 0, 1542), _237046)
   Call: (216) [system] nonvar(char_count)
   Exit: (216) [system] nonvar(char_count)
   Call: (216) [$syspreds] stream_position_field(char_count, _261204)
   Exit: (216) [$syspreds] stream_position_field(char_count, 1)
   Call: (216) [system] arg(1, '$stream_position'(1542, 48, 0, 1542), _237046)
   Exit: (216) [system] arg(1, '$stream_position'(1542, 48, 0, 1542), 1542)
   Exit: (215) [$syspreds] stream_position_data(char_count, '$stream_position'(1542, 48, 0, 1542), 1542)
^  Exit: (214) [user] read_position((0x56051b6b4f40), 48, 0, 1542, '$stream_position'(1542, 48, 0, 1542))
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _266798)
   Call: (215) [system] get_char((0x56051b6b4f40), _267728)
   Exit: (215) [system] get_char((0x56051b6b4f40), ;)
   Call: (215) [system] char_type(;, end_of_line)
   Call: (215) [system] (;)=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _271442)
   Call: (216) [system] get_char((0x56051b6b4f40), _272372)
   Exit: (216) [system] get_char((0x56051b6b4f40), ;)
   Call: (216) [system] char_type(;, end_of_line)
   Call: (216) [system] (;)=end_of_file
^  Call: (216) [user] read_until_eol((0x56051b6b4f40), _276086)
   Call: (217) [system] get_char((0x56051b6b4f40), _277016)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
   Call: (217) [system] char_type(' ', end_of_line)
   Call: (217) [system] ' '=end_of_file
^  Call: (217) [user] read_until_eol((0x56051b6b4f40), _280730)
   Call: (218) [system] get_char((0x56051b6b4f40), _281660)
   Exit: (218) [system] get_char((0x56051b6b4f40), t)
   Call: (218) [system] char_type(t, end_of_line)
   Call: (218) [system] t=end_of_file
^  Call: (218) [user] read_until_eol((0x56051b6b4f40), _285374)
   Call: (219) [system] get_char((0x56051b6b4f40), _286304)
   Exit: (219) [system] get_char((0x56051b6b4f40), u)
   Call: (219) [system] char_type(u, end_of_line)
   Call: (219) [system] u=end_of_file
^  Call: (219) [user] read_until_eol((0x56051b6b4f40), _290018)
   Call: (220) [system] get_char((0x56051b6b4f40), _290948)
   Exit: (220) [system] get_char((0x56051b6b4f40), p)
   Call: (220) [system] char_type(p, end_of_line)
   Call: (220) [system] p=end_of_file
^  Call: (220) [user] read_until_eol((0x56051b6b4f40), _294662)
   Call: (221) [system] get_char((0x56051b6b4f40), _295592)
   Exit: (221) [system] get_char((0x56051b6b4f40), l)
   Call: (221) [system] char_type(l, end_of_line)
   Call: (221) [system] l=end_of_file
^  Call: (221) [user] read_until_eol((0x56051b6b4f40), _299306)
   Call: (222) [system] get_char((0x56051b6b4f40), _300236)
   Exit: (222) [system] get_char((0x56051b6b4f40), e)
   Call: (222) [system] char_type(e, end_of_line)
   Call: (222) [system] e=end_of_file
^  Call: (222) [user] read_until_eol((0x56051b6b4f40), _303950)
   Call: (223) [system] get_char((0x56051b6b4f40), _304880)
   Exit: (223) [system] get_char((0x56051b6b4f40), s)
   Call: (223) [system] char_type(s, end_of_line)
   Call: (223) [system] s=end_of_file
^  Call: (223) [user] read_until_eol((0x56051b6b4f40), _308594)
   Call: (224) [system] get_char((0x56051b6b4f40), _309524)
   Exit: (224) [system] get_char((0x56051b6b4f40), '.')
   Call: (224) [system] char_type('.', end_of_line)
   Call: (224) [system] ('.')=end_of_file
^  Call: (224) [user] read_until_eol((0x56051b6b4f40), _313238)
   Call: (225) [system] get_char((0x56051b6b4f40), _314168)
   Exit: (225) [system] get_char((0x56051b6b4f40), '\n')
   Call: (225) [system] char_type('\n', end_of_line)
   Exit: (225) [system] char_type('\n', end_of_line)
   Call: (225) [system] _313238=""
   Exit: (225) [system] ""=""
^  Exit: (224) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (224) [system] string_concat('.', "", _308594)
   Exit: (224) [system] string_concat('.', "", ".")
^  Exit: (223) [user] read_until_eol((0x56051b6b4f40), ".")
   Call: (223) [system] string_concat(s, ".", _303950)
   Exit: (223) [system] string_concat(s, ".", "s.")
^  Exit: (222) [user] read_until_eol((0x56051b6b4f40), "s.")
   Call: (222) [system] string_concat(e, "s.", _299306)
   Exit: (222) [system] string_concat(e, "s.", "es.")
^  Exit: (221) [user] read_until_eol((0x56051b6b4f40), "es.")
   Call: (221) [system] string_concat(l, "es.", _294662)
   Exit: (221) [system] string_concat(l, "es.", "les.")
^  Exit: (220) [user] read_until_eol((0x56051b6b4f40), "les.")
   Call: (220) [system] string_concat(p, "les.", _290018)
   Exit: (220) [system] string_concat(p, "les.", "ples.")
^  Exit: (219) [user] read_until_eol((0x56051b6b4f40), "ples.")
   Call: (219) [system] string_concat(u, "ples.", _285374)
   Exit: (219) [system] string_concat(u, "ples.", "uples.")
^  Exit: (218) [user] read_until_eol((0x56051b6b4f40), "uples.")
   Call: (218) [system] string_concat(t, "uples.", _280730)
   Exit: (218) [system] string_concat(t, "uples.", "tuples.")
^  Exit: (217) [user] read_until_eol((0x56051b6b4f40), "tuples.")
   Call: (217) [system] string_concat(' ', "tuples.", _276086)
   Exit: (217) [system] string_concat(' ', "tuples.", " tuples.")
^  Exit: (216) [user] read_until_eol((0x56051b6b4f40), " tuples.")
   Call: (216) [system] string_concat(;, " tuples.", _271442)
   Exit: (216) [system] string_concat(;, " tuples.", "; tuples.")
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "; tuples.")
   Call: (215) [system] string_concat(;, "; tuples.", _266798)
   Exit: (215) [system] string_concat(;, "; tuples.", ";; tuples.")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), ";; tuples.")
^  Call: (214) [user] assertz(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Exit: (214) [user] assertz(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Exit: (213) [user] read_comment((0x56051b6b4f40))
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _352388)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] get_char((0x56051b6b4f40), _389500)
   Exit: (182) [system] get_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('='('
   Exit: (182) [system] '('='('
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _3318)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _395070)
   Exit: (184) [system] peek_char((0x56051b6b4f40), :)
   Call: (184) [system] (:)=(;)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _403538)
   Exit: (183) [system] peek_char((0x56051b6b4f40), :)
   Call: (183) [system] (:)=')'
   Call: (183) [system] (:)=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _407252)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _409110)
   Exit: (185) [system] peek_char((0x56051b6b4f40), :)
   Call: (185) [system] (:)=(;)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _417578)
   Exit: (184) [system] get_char((0x56051b6b4f40), :)
   Call: (184) [system] (:)='('
   Call: (184) [system] (:)='['
   Call: (184) [system] (:)='{'
   Call: (184) [system] (:)='"'
   Call: (184) [system] (:)=!
   Call: (184) [system] (:)='\''
   Call: (184) [system] (:)='`'
   Call: (184) [system] (:)=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x56051b6b4f40), :, _407252)
^  Call: (185) [user] read_symbolic_cont(')', (0x56051b6b4f40), _427796)
   Call: (186) [system] peek_char((0x56051b6b4f40), _428730)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _427796=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (185) [user] classify_and_convert_charseq(:, [], _407252)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_438040, _438042), once(user:catch(read_from_chars([:], _407252), _438016, fail)), '$restore_trace'(_438040, _438042))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_438040, _438042))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _438016, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(:)
   Exit: (186) [system] atomic(:)
^  Exit: (185) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (184) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _445540)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _447398)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _454208)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _456912)
   Exit: (186) [system] peek_char((0x56051b6b4f40), s)
   Call: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _466304)
   Exit: (184) [system] peek_char((0x56051b6b4f40), s)
   Call: (184) [system] s=')'
   Call: (184) [system] s=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _470018)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _471876)
   Exit: (186) [system] peek_char((0x56051b6b4f40), s)
   Call: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _480344)
   Exit: (185) [system] get_char((0x56051b6b4f40), s)
   Call: (185) [system] s='('
   Call: (185) [system] s='['
   Call: (185) [system] s='{'
   Call: (185) [system] s='"'
   Call: (185) [system] s=!
   Call: (185) [system] s='\''
   Call: (185) [system] s='`'
   Call: (185) [system] s=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x56051b6b4f40), s, _470018)
^  Call: (186) [user] read_symbolic_cont(')', (0x56051b6b4f40), _490562)
   Call: (187) [system] peek_char((0x56051b6b4f40), _491496)
   Exit: (187) [system] peek_char((0x56051b6b4f40), y)
^  Call: (187) [user] is_delimiter(y)
   Call: (188) [system] char_type(y, space)
   Call: (188) [system] arg(_495288, v('(', ')', end_of_file), y)
   Call: (187) [system] ')'==y
   Call: (187) [system] get_char((0x56051b6b4f40), y)
   Exit: (187) [system] get_char((0x56051b6b4f40), y)
   Call: (187) [system] y=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _499858)
   Call: (188) [system] peek_char((0x56051b6b4f40), _500792)
   Exit: (188) [system] peek_char((0x56051b6b4f40), n)
^  Call: (188) [user] is_delimiter(n)
   Call: (189) [system] char_type(n, space)
   Call: (189) [system] arg(_504584, v('(', ')', end_of_file), n)
   Call: (188) [system] ')'==n
   Call: (188) [system] get_char((0x56051b6b4f40), n)
   Exit: (188) [system] get_char((0x56051b6b4f40), n)
   Call: (188) [system] n=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _509154)
   Call: (189) [system] peek_char((0x56051b6b4f40), _510088)
   Exit: (189) [system] peek_char((0x56051b6b4f40), t)
^  Call: (189) [user] is_delimiter(t)
   Call: (190) [system] char_type(t, space)
   Call: (190) [system] arg(_513880, v('(', ')', end_of_file), t)
   Call: (189) [system] ')'==t
   Call: (189) [system] get_char((0x56051b6b4f40), t)
   Exit: (189) [system] get_char((0x56051b6b4f40), t)
   Call: (189) [system] t=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _518450)
   Call: (190) [system] peek_char((0x56051b6b4f40), _519384)
   Exit: (190) [system] peek_char((0x56051b6b4f40), h)
^  Call: (190) [user] is_delimiter(h)
   Call: (191) [system] char_type(h, space)
   Call: (191) [system] arg(_523176, v('(', ')', end_of_file), h)
   Call: (190) [system] ')'==h
   Call: (190) [system] get_char((0x56051b6b4f40), h)
   Exit: (190) [system] get_char((0x56051b6b4f40), h)
   Call: (190) [system] h=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _527746)
   Call: (191) [system] peek_char((0x56051b6b4f40), _528680)
   Exit: (191) [system] peek_char((0x56051b6b4f40), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_532472, v('(', ')', end_of_file), e)
   Call: (191) [system] ')'==e
   Call: (191) [system] get_char((0x56051b6b4f40), e)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _537042)
   Call: (192) [system] peek_char((0x56051b6b4f40), _537976)
   Exit: (192) [system] peek_char((0x56051b6b4f40), s)
^  Call: (192) [user] is_delimiter(s)
   Call: (193) [system] char_type(s, space)
   Call: (193) [system] arg(_541768, v('(', ')', end_of_file), s)
   Call: (192) [system] ')'==s
   Call: (192) [system] get_char((0x56051b6b4f40), s)
   Exit: (192) [system] get_char((0x56051b6b4f40), s)
   Call: (192) [system] s=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _546338)
   Call: (193) [system] peek_char((0x56051b6b4f40), _547272)
   Exit: (193) [system] peek_char((0x56051b6b4f40), i)
^  Call: (193) [user] is_delimiter(i)
   Call: (194) [system] char_type(i, space)
   Call: (194) [system] arg(_551064, v('(', ')', end_of_file), i)
   Call: (193) [system] ')'==i
   Call: (193) [system] get_char((0x56051b6b4f40), i)
   Exit: (193) [system] get_char((0x56051b6b4f40), i)
   Call: (193) [system] i=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _555634)
   Call: (194) [system] peek_char((0x56051b6b4f40), _556568)
   Exit: (194) [system] peek_char((0x56051b6b4f40), z)
^  Call: (194) [user] is_delimiter(z)
   Call: (195) [system] char_type(z, space)
   Call: (195) [system] arg(_560360, v('(', ')', end_of_file), z)
   Call: (194) [system] ')'==z
   Call: (194) [system] get_char((0x56051b6b4f40), z)
   Exit: (194) [system] get_char((0x56051b6b4f40), z)
   Call: (194) [system] z=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _564930)
   Call: (195) [system] peek_char((0x56051b6b4f40), _565864)
   Exit: (195) [system] peek_char((0x56051b6b4f40), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_569656, v('(', ')', end_of_file), e)
   Call: (195) [system] ')'==e
   Call: (195) [system] get_char((0x56051b6b4f40), e)
   Exit: (195) [system] get_char((0x56051b6b4f40), e)
   Call: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _574226)
   Call: (196) [system] peek_char((0x56051b6b4f40), _575160)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _574226=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _564930=[e]
   Exit: (195) [system] [e]=[e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (194) [system] _555634=[z, e]
   Exit: (194) [system] [z, e]=[z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (193) [system] _546338=[i, z, e]
   Exit: (193) [system] [i, z, e]=[i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (192) [system] _537042=[s, i, z, e]
   Exit: (192) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (191) [system] _527746=[e, s, i, z, e]
   Exit: (191) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (190) [system] _518450=[h, e, s, i, z, e]
   Exit: (190) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (189) [system] _509154=[t, h, e, s, i, z, e]
   Exit: (189) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (188) [system] _499858=[n, t, h, e, s, i, z, e]
   Exit: (188) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (187) [system] _490562=[y, n, t, h, e, s, i, z, e]
   Exit: (187) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (186) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (186) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _470018)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_609616, _609618), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _470018), _609592, fail)), '$restore_trace'(_609616, _609618))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_609616, _609618))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _609592, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(synthesize)
   Exit: (187) [system] atomic(synthesize)
^  Exit: (186) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (185) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _617116)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _618974)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x56051b6b4f40), _625784)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _628488)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=(;)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _637880)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=')'
   Call: (185) [system] '('=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _641594)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _643452)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=(;)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _651920)
   Exit: (186) [system] get_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('='('
   Exit: (186) [system] '('='('
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _641594)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _657490)
   Exit: (188) [system] peek_char((0x56051b6b4f40), -)
   Call: (188) [system] (-)=(;)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _665958)
   Exit: (187) [system] peek_char((0x56051b6b4f40), -)
   Call: (187) [system] (-)=')'
   Call: (187) [system] (-)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _669672)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _671530)
   Exit: (189) [system] peek_char((0x56051b6b4f40), -)
   Call: (189) [system] (-)=(;)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _679998)
   Exit: (188) [system] get_char((0x56051b6b4f40), -)
   Call: (188) [system] (-)='('
   Call: (188) [system] (-)='['
   Call: (188) [system] (-)='{'
   Call: (188) [system] (-)='"'
   Call: (188) [system] (-)=!
   Call: (188) [system] (-)='\''
   Call: (188) [system] (-)='`'
   Call: (188) [system] (-)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), -, _669672)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _690216)
   Call: (190) [system] peek_char((0x56051b6b4f40), _691150)
   Exit: (190) [system] peek_char((0x56051b6b4f40), >)
^  Call: (190) [user] is_delimiter(>)
   Call: (191) [system] char_type(>, space)
   Call: (191) [system] arg(_694942, v('(', ')', end_of_file), >)
   Call: (190) [system] ')'==(>)
   Call: (190) [system] get_char((0x56051b6b4f40), >)
   Exit: (190) [system] get_char((0x56051b6b4f40), >)
   Call: (190) [system] (>)=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _699512)
   Call: (191) [system] peek_char((0x56051b6b4f40), _700446)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _699512=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (190) [system] _690216=[>]
   Exit: (190) [system] [>]=[>]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (189) [user] classify_and_convert_charseq(-, [>], _669672)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_712550, _712552), once(user:catch(read_from_chars([-, >], _669672), _712526, fail)), '$restore_trace'(_712550, _712552))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_712550, _712552))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _712526, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(->)
   Exit: (190) [system] atomic(->)
^  Exit: (189) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _720050)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _721908)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _728718)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _731422)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _740814)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _744528)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _746386)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _754854)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _744528)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _765072)
   Call: (191) [system] peek_char((0x56051b6b4f40), _766006)
   Exit: (191) [system] peek_char((0x56051b6b4f40), a)
^  Call: (191) [user] is_delimiter(a)
   Call: (192) [system] char_type(a, space)
   Call: (192) [system] arg(_769798, v('(', ')', end_of_file), a)
   Call: (191) [system] ')'==a
   Call: (191) [system] get_char((0x56051b6b4f40), a)
   Exit: (191) [system] get_char((0x56051b6b4f40), a)
   Call: (191) [system] a=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _774368)
   Call: (192) [system] peek_char((0x56051b6b4f40), _775302)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _774368=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _765072=[a]
   Exit: (191) [system] [a]=[a]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a])
^  Call: (190) [user] classify_and_convert_charseq($, [a], _744528)
   Call: (191) [system] atom_chars(_787380, ['_', a])
   Exit: (191) [system] atom_chars('_a', ['_', a])
^  Exit: (190) [user] classify_and_convert_charseq($, [a], _a)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _a)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _a)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _792044)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _793902)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _800712)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _803416)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _812808)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _816522)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _818380)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _826848)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _816522)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _832418)
   Exit: (192) [system] peek_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _840886)
   Exit: (191) [system] peek_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)=')'
   Call: (191) [system] (-)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _844600)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _846458)
   Exit: (193) [system] peek_char((0x56051b6b4f40), -)
   Call: (193) [system] (-)=(;)
^  Call: (193) [user] is_like_space(-)
   Call: (194) [system] char_type(-, 'white')
   Call: (194) [system] char_type(-, end_of_line)
   Call: (194) [system] char_type(-, space)
   Call: (194) [system] char_type(-, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _854926)
   Exit: (192) [system] get_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)='('
   Call: (192) [system] (-)='['
   Call: (192) [system] (-)='{'
   Call: (192) [system] (-)='"'
   Call: (192) [system] (-)=!
   Call: (192) [system] (-)='\''
   Call: (192) [system] (-)='`'
   Call: (192) [system] (-)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), -, _844600)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _865144)
   Call: (194) [system] peek_char((0x56051b6b4f40), _866078)
   Exit: (194) [system] peek_char((0x56051b6b4f40), >)
^  Call: (194) [user] is_delimiter(>)
   Call: (195) [system] char_type(>, space)
   Call: (195) [system] arg(_869870, v('(', ')', end_of_file), >)
   Call: (194) [system] ')'==(>)
   Call: (194) [system] get_char((0x56051b6b4f40), >)
   Exit: (194) [system] get_char((0x56051b6b4f40), >)
   Call: (194) [system] (>)=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _874440)
   Call: (195) [system] peek_char((0x56051b6b4f40), _875374)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _874440=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (194) [system] _865144=[>]
   Exit: (194) [system] [>]=[>]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (193) [user] classify_and_convert_charseq(-, [>], _844600)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_887478, _887480), once(user:catch(read_from_chars([-, >], _844600), _887454, fail)), '$restore_trace'(_887478, _887480))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_887478, _887480))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _887454, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(->)
   Exit: (194) [system] atomic(->)
^  Exit: (193) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _894978)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _896836)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _903646)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _906350)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _915742)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _919456)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _921314)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _929782)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _919456)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _940000)
   Call: (195) [system] peek_char((0x56051b6b4f40), _940934)
   Exit: (195) [system] peek_char((0x56051b6b4f40), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_944726, v('(', ')', end_of_file), k)
   Call: (195) [system] ')'==k
   Call: (195) [system] get_char((0x56051b6b4f40), k)
   Exit: (195) [system] get_char((0x56051b6b4f40), k)
   Call: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _949296)
   Call: (196) [system] peek_char((0x56051b6b4f40), _950230)
   Exit: (196) [system] peek_char((0x56051b6b4f40), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_954022, v('(', ')', end_of_file), t)
   Call: (196) [system] ')'==t
   Call: (196) [system] get_char((0x56051b6b4f40), t)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _958592)
   Call: (197) [system] peek_char((0x56051b6b4f40), _959526)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_963318, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _958592=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _949296=[t]
   Exit: (196) [system] [t]=[t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (195) [system] _940000=[k, t]
   Exit: (195) [system] [k, t]=[k, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, t])
^  Call: (194) [user] classify_and_convert_charseq($, [k, t], _919456)
   Call: (195) [system] atom_chars(_975342, ['_', k, t])
   Exit: (195) [system] atom_chars('_kt', ['_', k, t])
^  Exit: (194) [user] classify_and_convert_charseq($, [k, t], _kt)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _kt)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _kt)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _980006)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _981864)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _990332)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _994122)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _980006=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _894978=[_kt]
   Exit: (192) [system] [_kt]=[_kt]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_kt])
   Call: (191) [system] _816522=[->, _kt]
   Exit: (191) [system] [->, _kt]=[->, _kt]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [->, _kt])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [->, _kt])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1005210)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1007068)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _1013878)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1016582)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1025974)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1029688)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1031546)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _1040014)
   Exit: (191) [system] get_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1029688)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1045584)
   Exit: (193) [system] peek_char((0x56051b6b4f40), -)
   Call: (193) [system] (-)=(;)
^  Call: (193) [user] is_like_space(-)
   Call: (194) [system] char_type(-, 'white')
   Call: (194) [system] char_type(-, end_of_line)
   Call: (194) [system] char_type(-, space)
   Call: (194) [system] char_type(-, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1054052)
   Exit: (192) [system] peek_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)=')'
   Call: (192) [system] (-)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1057766)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1059624)
   Exit: (194) [system] peek_char((0x56051b6b4f40), -)
   Call: (194) [system] (-)=(;)
^  Call: (194) [user] is_like_space(-)
   Call: (195) [system] char_type(-, 'white')
   Call: (195) [system] char_type(-, end_of_line)
   Call: (195) [system] char_type(-, space)
   Call: (195) [system] char_type(-, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1068092)
   Exit: (193) [system] get_char((0x56051b6b4f40), -)
   Call: (193) [system] (-)='('
   Call: (193) [system] (-)='['
   Call: (193) [system] (-)='{'
   Call: (193) [system] (-)='"'
   Call: (193) [system] (-)=!
   Call: (193) [system] (-)='\''
   Call: (193) [system] (-)='`'
   Call: (193) [system] (-)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), -, _1057766)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1078310)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1079244)
   Exit: (195) [system] peek_char((0x56051b6b4f40), >)
^  Call: (195) [user] is_delimiter(>)
   Call: (196) [system] char_type(>, space)
   Call: (196) [system] arg(_1083036, v('(', ')', end_of_file), >)
   Call: (195) [system] ')'==(>)
   Call: (195) [system] get_char((0x56051b6b4f40), >)
   Exit: (195) [system] get_char((0x56051b6b4f40), >)
   Call: (195) [system] (>)=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1087606)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1088540)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1087606=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1078310=[>]
   Exit: (195) [system] [>]=[>]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (194) [user] classify_and_convert_charseq(-, [>], _1057766)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1100644, _1100646), once(user:catch(read_from_chars([-, >], _1057766), _1100620, fail)), '$restore_trace'(_1100644, _1100646))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1100644, _1100646))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1100620, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(->)
   Exit: (195) [system] atomic(->)
^  Exit: (194) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1108144)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1110002)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1116812)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1119516)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1128908)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1132622)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1134480)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1142948)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _1132622)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1153166)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1154100)
   Exit: (196) [system] peek_char((0x56051b6b4f40), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_1157892, v('(', ')', end_of_file), r)
   Call: (196) [system] ')'==r
   Call: (196) [system] get_char((0x56051b6b4f40), r)
   Exit: (196) [system] get_char((0x56051b6b4f40), r)
   Call: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1162462)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1163396)
   Exit: (197) [system] peek_char((0x56051b6b4f40), t)
^  Call: (197) [user] is_delimiter(t)
   Call: (198) [system] char_type(t, space)
   Call: (198) [system] arg(_1167188, v('(', ')', end_of_file), t)
   Call: (197) [system] ')'==t
   Call: (197) [system] get_char((0x56051b6b4f40), t)
   Exit: (197) [system] get_char((0x56051b6b4f40), t)
   Call: (197) [system] t=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1171758)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1172692)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1176484, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1171758=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (197) [system] _1162462=[t]
   Exit: (197) [system] [t]=[t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (196) [system] _1153166=[r, t]
   Exit: (196) [system] [r, t]=[r, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, t])
^  Call: (195) [user] classify_and_convert_charseq($, [r, t], _1132622)
   Call: (196) [system] atom_chars(_1188508, ['_', r, t])
   Exit: (196) [system] atom_chars('_rt', ['_', r, t])
^  Exit: (195) [user] classify_and_convert_charseq($, [r, t], _rt)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _rt)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _rt)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1193172)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1195030)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1203498)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _1207288)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _1193172=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1108144=[_rt]
   Exit: (193) [system] [_rt]=[_rt]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_rt])
   Call: (192) [system] _1029688=[->, _rt]
   Exit: (192) [system] [->, _rt]=[->, _rt]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [->, _rt])
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), [->, _rt])
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _1218376)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1220234)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1227044)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1229748)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (193) [system] 'N'=(;)
^  Call: (193) [user] is_like_space('N')
   Call: (194) [system] char_type('N', 'white')
   Call: (194) [system] char_type('N', end_of_line)
   Call: (194) [system] char_type('N', space)
   Call: (194) [system] char_type('N', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1239140)
   Exit: (191) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (191) [system] 'N'=')'
   Call: (191) [system] 'N'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1242854)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1244712)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (193) [system] 'N'=(;)
^  Call: (193) [user] is_like_space('N')
   Call: (194) [system] char_type('N', 'white')
   Call: (194) [system] char_type('N', end_of_line)
   Call: (194) [system] char_type('N', space)
   Call: (194) [system] char_type('N', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1253180)
   Exit: (192) [system] get_char((0x56051b6b4f40), 'N')
   Call: (192) [system] 'N'='('
   Call: (192) [system] 'N'='['
   Call: (192) [system] 'N'='{'
   Call: (192) [system] 'N'='"'
   Call: (192) [system] 'N'=!
   Call: (192) [system] 'N'='\''
   Call: (192) [system] 'N'='`'
   Call: (192) [system] 'N'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'N', _1242854)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1263398)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1264332)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
^  Call: (194) [user] is_delimiter(a)
   Call: (195) [system] char_type(a, space)
   Call: (195) [system] arg(_1268124, v('(', ')', end_of_file), a)
   Call: (194) [system] ')'==a
   Call: (194) [system] get_char((0x56051b6b4f40), a)
   Exit: (194) [system] get_char((0x56051b6b4f40), a)
   Call: (194) [system] a=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1272694)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1273628)
   Exit: (195) [system] peek_char((0x56051b6b4f40), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1277420, v('(', ')', end_of_file), t)
   Call: (195) [system] ')'==t
   Call: (195) [system] get_char((0x56051b6b4f40), t)
   Exit: (195) [system] get_char((0x56051b6b4f40), t)
   Call: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1281990)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1282924)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1281990=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1272694=[t]
   Exit: (195) [system] [t]=[t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (194) [system] _1263398=[a, t]
   Exit: (194) [system] [a, t]=[a, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t])
^  Call: (193) [user] classify_and_convert_charseq('N', [a, t], _1242854)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1297822, _1297824), once(user:catch(read_from_chars(['N', a, t], _1242854), _1297798, fail)), '$restore_trace'(_1297822, _1297824))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1297822, _1297824))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', a, t], _1242854), _1297798, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_1242854)
   Call: (194) [system] atom_chars(_1242854, ['N', a, t])
   Exit: (194) [system] atom_chars('Nat', ['N', a, t])
^  Exit: (193) [user] classify_and_convert_charseq('N', [a, t], 'Nat')
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'N', 'Nat')
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), 'Nat')
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1306274)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1308132)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1314942)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1317646)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1327038)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1330752)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1332610)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1341078)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _1330752)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1351296)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1352230)
   Exit: (195) [system] peek_char((0x56051b6b4f40), a)
^  Call: (195) [user] is_delimiter(a)
   Call: (196) [system] char_type(a, space)
   Call: (196) [system] arg(_1356022, v('(', ')', end_of_file), a)
   Call: (195) [system] ')'==a
   Call: (195) [system] get_char((0x56051b6b4f40), a)
   Exit: (195) [system] get_char((0x56051b6b4f40), a)
   Call: (195) [system] a=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1360592)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1361526)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1365318, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1360592=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1351296=[a]
   Exit: (195) [system] [a]=[a]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a])
^  Call: (194) [user] classify_and_convert_charseq($, [a], _1330752)
   Call: (195) [system] atom_chars(_1374548, ['_', a])
   Exit: (195) [system] atom_chars('_a', ['_', a])
^  Exit: (194) [user] classify_and_convert_charseq($, [a], _a)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _a)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _a)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1379212)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1381070)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1389538)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _1393328)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _1379212=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _1306274=[_a]
   Exit: (192) [system] [_a]=[_a]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_a])
   Call: (191) [system] _1218376=['Nat', _a]
   Exit: (191) [system] ['Nat', _a]=['Nat', _a]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), ['Nat', _a])
   Call: (190) [system] _1005210=[[->, _rt], 'Nat', _a]
   Exit: (190) [system] [[->, _rt], 'Nat', _a]=[[->, _rt], 'Nat', _a]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [[->, _rt], 'Nat', _a])
   Call: (189) [system] _792044=[[->, _kt], [->, _rt], 'Nat', _a]
   Exit: (189) [system] [[->, _kt], [->, _rt], 'Nat', _a]=[[->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[->, _kt], [->, _rt], 'Nat', _a])
   Call: (188) [system] _720050=[_a, [->, _kt], [->, _rt], 'Nat', _a]
   Exit: (188) [system] [_a, [->, _kt], [->, _rt], 'Nat', _a]=[_a, [->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (187) [system] _641594=[->, _a, [->, _kt], [->, _rt], 'Nat', _a]
   Exit: (187) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]=[->, _a, [->, _kt], [->, _rt], 'Nat', _a]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1415592)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1417450)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1425918)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _1429708)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _1415592=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _617116=[[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (185) [system] [[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[[->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [[->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (184) [system] _445540=[synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (184) [system] [synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (183) [system] _3318=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
   Exit: (183) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (181) [user] cont_sexpr(')', (0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (180) [user] read_sexpr((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Call: (180) [user] assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Exit: (180) [user] assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Exit: (178) [system] once(user:(read_position((0x56051b6b4f40), 18, 0, 367, '$stream_position'(367, 18, 0, 367)), read_sexpr((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), assertz(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_1448226, _1448228, _1448230, _1448232, _1448234))
^  Exit: (178) [user] retract(metta_file_comment(37, 0, 1164, '$COMMENT'(";;", 37, 0), '$stream_position'(1164, 37, 0, 1164)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;", 37, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 37, 0), _1451058))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";;", 37, 0), _1451058)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";;", 37, 0), _1451058)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _1453874))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _1453874))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";;", 37, 0), _1453874)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";;", 37, 0), _1456674))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";;", 37, 0), _1456674)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";;", 37, 0), _1456674)
   Call: (188) [system] var('$COMMENT'(";;", 37, 0))
   Call: (188) [system] atom('$COMMENT'(";;", 37, 0))
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==true
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==false
   Call: (188) [system] '$COMMENT'(";;", 37, 0)==[_1463194, _1463200]
   Call: (188) [system] is_list('$COMMENT'(";;", 37, 0))
   Call: (188) [system] string('$COMMENT'(";;", 37, 0))
   Call: (188) [system] compound('$COMMENT'(";;", 37, 0))
   Exit: (188) [system] compound('$COMMENT'(";;", 37, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), _1467828, _1467830)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), '$COMMENT', [";;", 37, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";;", 37, 0], _1471570)
   Call: (189) [apply] apply:maplist_([";;", 37, 0], _1471570, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";;", _1473450)
   Call: (191) [system] var(";;")
   Call: (191) [system] atom(";;")
   Call: (191) [system] ";;"==true
   Call: (191) [system] ";;"==false
   Call: (191) [system] ";;"==[_1478092, _1478098]
   Call: (191) [system] is_list(";;")
   Call: (191) [system] string(";;")
   Exit: (191) [system] string(";;")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";;")
^  Call: (191) [user] symbol(";;")
   Call: (192) [system] atom(";;")
   Fail: (192) [system] atom(";;")
^  Fail: (191) [user] symbol(";;")
   Call: (191) [system] ";;"=_1473450
   Exit: (191) [system] ";;"=";;"
^  Exit: (190) [user] mfix_vars1(";;", ";;")
   Call: (190) [apply] apply:maplist_([37, 0], _1473452, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(37, _1491972)
   Call: (192) [system] var(37)
   Call: (192) [system] atom(37)
   Call: (192) [system] 37==true
   Call: (192) [system] 37==false
   Call: (192) [system] 37==[_1496614, _1496620]
   Call: (192) [system] is_list(37)
   Call: (192) [system] string(37)
   Call: (192) [system] compound(37)
^  Call: (192) [user] symbol(37)
   Call: (193) [system] atom(37)
   Fail: (193) [system] atom(37)
^  Fail: (192) [user] symbol(37)
   Call: (192) [system] 37=_1491972
   Exit: (192) [system] 37=37
^  Exit: (191) [user] mfix_vars1(37, 37)
   Call: (191) [apply] apply:maplist_([0], _1491974, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _1507738)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_1512380, _1512386]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_1507738
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _1507740, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([37, 0], [37, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";;", 37, 0], [";;", 37, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";;", 37, 0], [";;", 37, 0])
   Call: (188) [system] compound_name_arguments(_1456674, '$COMMENT', [";;", 37, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";;", 37, 0), '$COMMENT', [";;", 37, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 37, 0), _1536556))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), _1536556))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";;", 37, 0), _1536556)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";;", 37, 0), _1539356))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";;", 37, 0), _1539356)
^  Call: (187) [user] cons_to_c('$COMMENT'(";;", 37, 0), _1539356)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 37, 0), _1451058))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), _1451058))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";;", 37, 0), _1451058)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";;", 37, 0), _1553314))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";;", 37, 0), _1553314)
^  Call: (187) [user] cons_to_l('$COMMENT'(";;", 37, 0), _1553314)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (185) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0)))
   Call: (179) [system] '$COMMENT'(";;", 37, 0)\=@='$COMMENT'(";;", 37, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";;", 37, 0), '$COMMENT'(";;", 37, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";;", 37, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;", 37, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;", 37, 0)))
   Call: (169) [system] '$COMMENT'(";;", 37, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 37, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 37, 0), nthesize_long_1726792630_1772065, 16)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792631.9684145)
   Call: (173) [system] arg(1, t(1726792630.1734605), _3148)
   Exit: (173) [system] arg(1, t(1726792630.1734605), 1726792630.1734605)
   Call: (173) [system] _3158 is 1726792631.9684145-1726792630.1734605
   Exit: (173) [system] 1.7949540615081787 is 1726792631.9684145-1726792630.1734605
   Call: (173) [system] 1.7949540615081787>4
   Fail: (173) [system] 1.7949540615081787>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 3)
   Call: (175) [system] atom(3+1)
   Call: (175) [system] set_flag(translated_forms, 4)
   Exit: (175) [system] set_flag(translated_forms, 4)
   Exit: (174) [$syspreds] update_flag(translated_forms, 3, 3+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 3, 3+1))
   Exit: (171) [$syspreds] flag(translated_forms, 3, 3+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 37, 0), nthesize_long_1726792630_1772065, 16)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 37, 0), nthesize_long_1726792630_1772065, 16)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 37, 0)), 16]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 3, 3+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 37, 0), nthesize_long_1726792630_1772065, 16)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 49)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 49))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 49))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1629026)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1636448)
   Exit: (175) [system] peek_char((0x56051b6b4f40), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1644786)
   Exit: (177) [system] peek_char((0x56051b6b4f40), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1647572=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _1649440, _1649442, _1649444, _1649446), read_sexpr((0x56051b6b4f40), _1649458), assertz(metta_file_comment(_1649440, _1649442, _1649444, _1649458, _1649446))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _1649440, _1649442, _1649444, _1649446)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_1649446))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_1649446))
   Exit: (181) [system] nonvar(position(_1649446))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1601, 50, 0, 1601)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), _1649440)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1659698)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), _1649440)
   Exit: (181) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), 50)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), 50)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), _1649442)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1667132)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), _1649442)
   Exit: (181) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), _1649444)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1674566)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), _1649444)
   Exit: (181) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), 1601)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), 1601)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _1649458)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1649458)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1683868)
   Exit: (182) [system] peek_char((0x56051b6b4f40), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (183) [user] read_position((0x56051b6b4f40), _1688506, _1688508, _1688510, _1688512)
   Call: (184) [system] stream_property((0x56051b6b4f40), position(_1688512))
   Call: (185) [system] nonvar((0x56051b6b4f40))
   Exit: (185) [system] nonvar((0x56051b6b4f40))
   Call: (185) [system] nonvar(position(_1688512))
   Exit: (185) [system] nonvar(position(_1688512))
   Exit: (184) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1601, 50, 0, 1601)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), _1688506)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1697800)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), _1688506)
   Exit: (185) [system] arg(2, '$stream_position'(1601, 50, 0, 1601), 50)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1601, 50, 0, 1601), 50)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), _1688508)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1705234)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), _1688508)
   Exit: (185) [system] arg(3, '$stream_position'(1601, 50, 0, 1601), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1601, 50, 0, 1601), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), _1688510)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1712668)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), _1688510)
   Exit: (185) [system] arg(1, '$stream_position'(1601, 50, 0, 1601), 1601)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1601, 50, 0, 1601), 1601)
^  Exit: (183) [user] read_position((0x56051b6b4f40), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601))
^  Call: (183) [user] read_until_eol((0x56051b6b4f40), _1718262)
   Call: (184) [system] get_char((0x56051b6b4f40), _1719192)
   Exit: (184) [system] get_char((0x56051b6b4f40), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _1722906)
   Call: (185) [system] get_char((0x56051b6b4f40), _1723836)
   Exit: (185) [system] get_char((0x56051b6b4f40), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1727550)
   Call: (186) [system] get_char((0x56051b6b4f40), _1728480)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1732194)
   Call: (187) [system] get_char((0x56051b6b4f40), _1733124)
   Exit: (187) [system] get_char((0x56051b6b4f40), 'N')
   Call: (187) [system] char_type('N', end_of_line)
   Call: (187) [system] 'N'=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1736838)
   Call: (188) [system] get_char((0x56051b6b4f40), _1737768)
   Exit: (188) [system] get_char((0x56051b6b4f40), u)
   Call: (188) [system] char_type(u, end_of_line)
   Call: (188) [system] u=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1741482)
   Call: (189) [system] get_char((0x56051b6b4f40), _1742412)
   Exit: (189) [system] get_char((0x56051b6b4f40), l)
   Call: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] l=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1746126)
   Call: (190) [system] get_char((0x56051b6b4f40), _1747056)
   Exit: (190) [system] get_char((0x56051b6b4f40), l)
   Call: (190) [system] char_type(l, end_of_line)
   Call: (190) [system] l=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1750770)
   Call: (191) [system] get_char((0x56051b6b4f40), _1751700)
   Exit: (191) [system] get_char((0x56051b6b4f40), a)
   Call: (191) [system] char_type(a, end_of_line)
   Call: (191) [system] a=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1755414)
   Call: (192) [system] get_char((0x56051b6b4f40), _1756344)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] char_type(r, end_of_line)
   Call: (192) [system] r=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1760058)
   Call: (193) [system] get_char((0x56051b6b4f40), _1760988)
   Exit: (193) [system] get_char((0x56051b6b4f40), y)
   Call: (193) [system] char_type(y, end_of_line)
   Call: (193) [system] y=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1764702)
   Call: (194) [system] get_char((0x56051b6b4f40), _1765632)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1769346)
   Call: (195) [system] get_char((0x56051b6b4f40), _1770276)
   Exit: (195) [system] get_char((0x56051b6b4f40), r)
   Call: (195) [system] char_type(r, end_of_line)
   Call: (195) [system] r=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1773990)
   Call: (196) [system] get_char((0x56051b6b4f40), _1774920)
   Exit: (196) [system] get_char((0x56051b6b4f40), u)
   Call: (196) [system] char_type(u, end_of_line)
   Call: (196) [system] u=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1778634)
   Call: (197) [system] get_char((0x56051b6b4f40), _1779564)
   Exit: (197) [system] get_char((0x56051b6b4f40), l)
   Call: (197) [system] char_type(l, end_of_line)
   Call: (197) [system] l=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1783278)
   Call: (198) [system] get_char((0x56051b6b4f40), _1784208)
   Exit: (198) [system] get_char((0x56051b6b4f40), e)
   Call: (198) [system] char_type(e, end_of_line)
   Call: (198) [system] e=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1787922)
   Call: (199) [system] get_char((0x56051b6b4f40), _1788852)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1792566)
   Call: (200) [system] get_char((0x56051b6b4f40), _1793496)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1797210)
   Call: (201) [system] get_char((0x56051b6b4f40), _1798140)
   Exit: (201) [system] get_char((0x56051b6b4f40), a)
   Call: (201) [system] char_type(a, end_of_line)
   Call: (201) [system] a=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1801854)
   Call: (202) [system] get_char((0x56051b6b4f40), _1802784)
   Exit: (202) [system] get_char((0x56051b6b4f40), x)
   Call: (202) [system] char_type(x, end_of_line)
   Call: (202) [system] x=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _1806498)
   Call: (203) [system] get_char((0x56051b6b4f40), _1807428)
   Exit: (203) [system] get_char((0x56051b6b4f40), i)
   Call: (203) [system] char_type(i, end_of_line)
   Call: (203) [system] i=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1811142)
   Call: (204) [system] get_char((0x56051b6b4f40), _1812072)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] char_type(o, end_of_line)
   Call: (204) [system] o=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1815786)
   Call: (205) [system] get_char((0x56051b6b4f40), _1816716)
   Exit: (205) [system] get_char((0x56051b6b4f40), m)
   Call: (205) [system] char_type(m, end_of_line)
   Call: (205) [system] m=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1820430)
   Call: (206) [system] get_char((0x56051b6b4f40), _1821360)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] ')'=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1825074)
   Call: (207) [system] get_char((0x56051b6b4f40), _1826004)
   Exit: (207) [system] get_char((0x56051b6b4f40), '\n')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
   Call: (207) [system] _1825074=""
   Exit: (207) [system] ""=""
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (206) [system] string_concat(')', "", _1820430)
   Exit: (206) [system] string_concat(')', "", ")")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), ")")
   Call: (205) [system] string_concat(m, ")", _1815786)
   Exit: (205) [system] string_concat(m, ")", "m)")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "m)")
   Call: (204) [system] string_concat(o, "m)", _1811142)
   Exit: (204) [system] string_concat(o, "m)", "om)")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "om)")
   Call: (203) [system] string_concat(i, "om)", _1806498)
   Exit: (203) [system] string_concat(i, "om)", "iom)")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "iom)")
   Call: (202) [system] string_concat(x, "iom)", _1801854)
   Exit: (202) [system] string_concat(x, "iom)", "xiom)")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "xiom)")
   Call: (201) [system] string_concat(a, "xiom)", _1797210)
   Exit: (201) [system] string_concat(a, "xiom)", "axiom)")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "axiom)")
   Call: (200) [system] string_concat('(', "axiom)", _1792566)
   Exit: (200) [system] string_concat('(', "axiom)", "(axiom)")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "(axiom)")
   Call: (199) [system] string_concat(' ', "(axiom)", _1787922)
   Exit: (199) [system] string_concat(' ', "(axiom)", " (axiom)")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), " (axiom)")
   Call: (198) [system] string_concat(e, " (axiom)", _1783278)
   Exit: (198) [system] string_concat(e, " (axiom)", "e (axiom)")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "e (axiom)")
   Call: (197) [system] string_concat(l, "e (axiom)", _1778634)
   Exit: (197) [system] string_concat(l, "e (axiom)", "le (axiom)")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "le (axiom)")
   Call: (196) [system] string_concat(u, "le (axiom)", _1773990)
   Exit: (196) [system] string_concat(u, "le (axiom)", "ule (axiom)")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "ule (axiom)")
   Call: (195) [system] string_concat(r, "ule (axiom)", _1769346)
   Exit: (195) [system] string_concat(r, "ule (axiom)", "rule (axiom)")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "rule (axiom)")
   Call: (194) [system] string_concat(' ', "rule (axiom)", _1764702)
   Exit: (194) [system] string_concat(' ', "rule (axiom)", " rule (axiom)")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), " rule (axiom)")
   Call: (193) [system] string_concat(y, " rule (axiom)", _1760058)
   Exit: (193) [system] string_concat(y, " rule (axiom)", "y rule (axiom)")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "y rule (axiom)")
   Call: (192) [system] string_concat(r, "y rule (axiom)", _1755414)
   Exit: (192) [system] string_concat(r, "y rule (axiom)", "ry rule (axiom)")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "ry rule (axiom)")
   Call: (191) [system] string_concat(a, "ry rule (axiom)", _1750770)
   Exit: (191) [system] string_concat(a, "ry rule (axiom)", "ary rule (axiom)")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "ary rule (axiom)")
   Call: (190) [system] string_concat(l, "ary rule (axiom)", _1746126)
   Exit: (190) [system] string_concat(l, "ary rule (axiom)", "lary rule (axiom)")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "lary rule (axiom)")
   Call: (189) [system] string_concat(l, "lary rule (axiom)", _1741482)
   Exit: (189) [system] string_concat(l, "lary rule (axiom)", "llary rule (axiom)")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "llary rule (axiom)")
   Call: (188) [system] string_concat(u, "llary rule (axiom)", _1736838)
   Exit: (188) [system] string_concat(u, "llary rule (axiom)", "ullary rule (axiom)")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "ullary rule (axiom)")
   Call: (187) [system] string_concat('N', "ullary rule (axiom)", _1732194)
   Exit: (187) [system] string_concat('N', "ullary rule (axiom)", "Nullary rule (axiom)")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), "Nullary rule (axiom)")
   Call: (186) [system] string_concat(' ', "Nullary rule (axiom)", _1727550)
   Exit: (186) [system] string_concat(' ', "Nullary rule (axiom)", " Nullary rule (axiom)")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), " Nullary rule (axiom)")
   Call: (185) [system] string_concat(;, " Nullary rule (axiom)", _1722906)
   Exit: (185) [system] string_concat(;, " Nullary rule (axiom)", "; Nullary rule (axiom)")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), "; Nullary rule (axiom)")
   Call: (184) [system] string_concat(;, "; Nullary rule (axiom)", _1718262)
   Exit: (184) [system] string_concat(;, "; Nullary rule (axiom)", ";; Nullary rule (axiom)")
^  Exit: (183) [user] read_until_eol((0x56051b6b4f40), ";; Nullary rule (axiom)")
^  Call: (183) [user] assertz(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (183) [user] assertz(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1900644)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1910036)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1649458)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1915606)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1924074)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1927788)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1929646)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1938114)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _1927788)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1948332)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1949266)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1948332=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1927788)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1958576, _1958578), once(user:catch(read_from_chars([=], _1927788), _1958552, fail)), '$restore_trace'(_1958576, _1958578))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1958576, _1958578))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1958552, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1966076)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1967934)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1974744)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1977448)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1986840)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1990554)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1992412)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _2000880)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1990554)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2006450)
   Exit: (186) [system] peek_char((0x56051b6b4f40), s)
   Call: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _2014918)
   Exit: (185) [system] peek_char((0x56051b6b4f40), s)
   Call: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _2018632)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _2020490)
   Exit: (187) [system] peek_char((0x56051b6b4f40), s)
   Call: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _2028958)
   Exit: (186) [system] get_char((0x56051b6b4f40), s)
   Call: (186) [system] s='('
   Call: (186) [system] s='['
   Call: (186) [system] s='{'
   Call: (186) [system] s='"'
   Call: (186) [system] s=!
   Call: (186) [system] s='\''
   Call: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, _2018632)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2039176)
   Call: (188) [system] peek_char((0x56051b6b4f40), _2040110)
   Exit: (188) [system] peek_char((0x56051b6b4f40), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_2043902, v('(', ')', end_of_file), y)
   Call: (188) [system] ')'==y
   Call: (188) [system] get_char((0x56051b6b4f40), y)
   Exit: (188) [system] get_char((0x56051b6b4f40), y)
   Call: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2048472)
   Call: (189) [system] peek_char((0x56051b6b4f40), _2049406)
   Exit: (189) [system] peek_char((0x56051b6b4f40), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_2053198, v('(', ')', end_of_file), n)
   Call: (189) [system] ')'==n
   Call: (189) [system] get_char((0x56051b6b4f40), n)
   Exit: (189) [system] get_char((0x56051b6b4f40), n)
   Call: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2057768)
   Call: (190) [system] peek_char((0x56051b6b4f40), _2058702)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_2062494, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2067064)
   Call: (191) [system] peek_char((0x56051b6b4f40), _2067998)
   Exit: (191) [system] peek_char((0x56051b6b4f40), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_2071790, v('(', ')', end_of_file), h)
   Call: (191) [system] ')'==h
   Call: (191) [system] get_char((0x56051b6b4f40), h)
   Exit: (191) [system] get_char((0x56051b6b4f40), h)
   Call: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2076360)
   Call: (192) [system] peek_char((0x56051b6b4f40), _2077294)
   Exit: (192) [system] peek_char((0x56051b6b4f40), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_2081086, v('(', ')', end_of_file), e)
   Call: (192) [system] ')'==e
   Call: (192) [system] get_char((0x56051b6b4f40), e)
   Exit: (192) [system] get_char((0x56051b6b4f40), e)
   Call: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2085656)
   Call: (193) [system] peek_char((0x56051b6b4f40), _2086590)
   Exit: (193) [system] peek_char((0x56051b6b4f40), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_2090382, v('(', ')', end_of_file), s)
   Call: (193) [system] ')'==s
   Call: (193) [system] get_char((0x56051b6b4f40), s)
   Exit: (193) [system] get_char((0x56051b6b4f40), s)
   Call: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2094952)
   Call: (194) [system] peek_char((0x56051b6b4f40), _2095886)
   Exit: (194) [system] peek_char((0x56051b6b4f40), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_6202, v('(', ')', end_of_file), i)
   Call: (194) [system] ')'==i
   Call: (194) [system] get_char((0x56051b6b4f40), i)
   Exit: (194) [system] get_char((0x56051b6b4f40), i)
   Call: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _10772)
   Call: (195) [system] peek_char((0x56051b6b4f40), _11706)
   Exit: (195) [system] peek_char((0x56051b6b4f40), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_15498, v('(', ')', end_of_file), z)
   Call: (195) [system] ')'==z
   Call: (195) [system] get_char((0x56051b6b4f40), z)
   Exit: (195) [system] get_char((0x56051b6b4f40), z)
   Call: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _20068)
   Call: (196) [system] peek_char((0x56051b6b4f40), _21002)
   Exit: (196) [system] peek_char((0x56051b6b4f40), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_24794, v('(', ')', end_of_file), e)
   Call: (196) [system] ')'==e
   Call: (196) [system] get_char((0x56051b6b4f40), e)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _29364)
   Call: (197) [system] peek_char((0x56051b6b4f40), _30298)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _29364=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _20068=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (195) [system] _10772=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (194) [system] _3394=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (193) [system] _3390=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (192) [system] _3386=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (191) [system] _3382=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (190) [system] _3378=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (189) [system] _3374=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _3370=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _3366)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_64754, _64756), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _3366), _64730, fail)), '$restore_trace'(_64754, _64756))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_64754, _64756))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _64730, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _72254)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _74112)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _80922)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _83626)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _93018)
   Exit: (186) [system] peek_char((0x56051b6b4f40), $)
   Call: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _96732)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _98590)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _107058)
   Exit: (187) [system] get_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _96732)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _117276)
   Call: (189) [system] peek_char((0x56051b6b4f40), _118210)
   Exit: (189) [system] peek_char((0x56051b6b4f40), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_122002, v('(', ')', end_of_file), q)
   Call: (189) [system] ')'==q
   Call: (189) [system] get_char((0x56051b6b4f40), q)
   Exit: (189) [system] get_char((0x56051b6b4f40), q)
   Call: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _126572)
   Call: (190) [system] peek_char((0x56051b6b4f40), _127506)
   Exit: (190) [system] peek_char((0x56051b6b4f40), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_131298, v('(', ')', end_of_file), u)
   Call: (190) [system] ')'==u
   Call: (190) [system] get_char((0x56051b6b4f40), u)
   Exit: (190) [system] get_char((0x56051b6b4f40), u)
   Call: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _135868)
   Call: (191) [system] peek_char((0x56051b6b4f40), _136802)
   Exit: (191) [system] peek_char((0x56051b6b4f40), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_140594, v('(', ')', end_of_file), e)
   Call: (191) [system] ')'==e
   Call: (191) [system] get_char((0x56051b6b4f40), e)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _145164)
   Call: (192) [system] peek_char((0x56051b6b4f40), _146098)
   Exit: (192) [system] peek_char((0x56051b6b4f40), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_149890, v('(', ')', end_of_file), r)
   Call: (192) [system] ')'==r
   Call: (192) [system] get_char((0x56051b6b4f40), r)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _154460)
   Call: (193) [system] peek_char((0x56051b6b4f40), _155394)
   Exit: (193) [system] peek_char((0x56051b6b4f40), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_159186, v('(', ')', end_of_file), y)
   Call: (193) [system] ')'==y
   Call: (193) [system] get_char((0x56051b6b4f40), y)
   Exit: (193) [system] get_char((0x56051b6b4f40), y)
   Call: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _163756)
   Call: (194) [system] peek_char((0x56051b6b4f40), _164690)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _163756=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _154460=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (192) [system] _145164=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (191) [system] _135868=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (190) [system] _126572=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (189) [system] _117276=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _96732)
   Call: (189) [system] atom_chars(_187944, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _192608)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _194466)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _201276)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _203980)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _213372)
   Exit: (187) [system] peek_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _217086)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _218944)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _227412)
   Exit: (188) [system] get_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _217086)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _237630)
   Call: (190) [system] peek_char((0x56051b6b4f40), _238564)
   Exit: (190) [system] peek_char((0x56051b6b4f40), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_242356, v('(', ')', end_of_file), k)
   Call: (190) [system] ')'==k
   Call: (190) [system] get_char((0x56051b6b4f40), k)
   Exit: (190) [system] get_char((0x56051b6b4f40), k)
   Call: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _246926)
   Call: (191) [system] peek_char((0x56051b6b4f40), _247860)
   Exit: (191) [system] peek_char((0x56051b6b4f40), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_251652, v('(', ')', end_of_file), b)
   Call: (191) [system] ')'==b
   Call: (191) [system] get_char((0x56051b6b4f40), b)
   Exit: (191) [system] get_char((0x56051b6b4f40), b)
   Call: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256222)
   Call: (192) [system] peek_char((0x56051b6b4f40), _257156)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _256222=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _246926=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (190) [system] _237630=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _217086)
   Call: (190) [system] atom_chars(_272028, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _276692)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _278550)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _285360)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _288064)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _297456)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _301170)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _303028)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _311496)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _301170)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _321714)
   Call: (191) [system] peek_char((0x56051b6b4f40), _322648)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_326440, v('(', ')', end_of_file), r)
   Call: (191) [system] ')'==r
   Call: (191) [system] get_char((0x56051b6b4f40), r)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _331010)
   Call: (192) [system] peek_char((0x56051b6b4f40), _331944)
   Exit: (192) [system] peek_char((0x56051b6b4f40), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_335736, v('(', ')', end_of_file), b)
   Call: (192) [system] ')'==b
   Call: (192) [system] get_char((0x56051b6b4f40), b)
   Exit: (192) [system] get_char((0x56051b6b4f40), b)
   Call: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _340306)
   Call: (193) [system] peek_char((0x56051b6b4f40), _341240)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _340306=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (192) [system] _331010=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (191) [system] _321714=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _301170)
   Call: (191) [system] atom_chars(_356112, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _360776)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _362634)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _369444)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _372148)
   Exit: (191) [system] peek_char((0x56051b6b4f40), $)
   Call: (191) [system] ($)=(;)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _381540)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=')'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _385254)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _387112)
   Exit: (191) [system] peek_char((0x56051b6b4f40), $)
   Call: (191) [system] ($)=(;)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _395580)
   Exit: (190) [system] get_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)='('
   Call: (190) [system] ($)='['
   Call: (190) [system] ($)='{'
   Call: (190) [system] ($)='"'
   Call: (190) [system] ($)=!
   Call: (190) [system] ($)='\''
   Call: (190) [system] ($)='`'
   Call: (190) [system] ($)=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x56051b6b4f40), $, _385254)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _405798)
   Call: (192) [system] peek_char((0x56051b6b4f40), _406732)
   Exit: (192) [system] peek_char((0x56051b6b4f40), d)
^  Call: (192) [user] is_delimiter(d)
   Call: (193) [system] char_type(d, space)
   Call: (193) [system] arg(_410524, v('(', ')', end_of_file), d)
   Call: (192) [system] ')'==d
   Call: (192) [system] get_char((0x56051b6b4f40), d)
   Exit: (192) [system] get_char((0x56051b6b4f40), d)
   Call: (192) [system] d=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _415094)
   Call: (193) [system] peek_char((0x56051b6b4f40), _416028)
   Exit: (193) [system] peek_char((0x56051b6b4f40), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_419820, v('(', ')', end_of_file), e)
   Call: (193) [system] ')'==e
   Call: (193) [system] get_char((0x56051b6b4f40), e)
   Exit: (193) [system] get_char((0x56051b6b4f40), e)
   Call: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _424390)
   Call: (194) [system] peek_char((0x56051b6b4f40), _425324)
   Exit: (194) [system] peek_char((0x56051b6b4f40), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_429116, v('(', ')', end_of_file), p)
   Call: (194) [system] ')'==p
   Call: (194) [system] get_char((0x56051b6b4f40), p)
   Exit: (194) [system] get_char((0x56051b6b4f40), p)
   Call: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _433686)
   Call: (195) [system] peek_char((0x56051b6b4f40), _434620)
   Exit: (195) [system] peek_char((0x56051b6b4f40), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_438412, v('(', ')', end_of_file), t)
   Call: (195) [system] ')'==t
   Call: (195) [system] get_char((0x56051b6b4f40), t)
   Exit: (195) [system] get_char((0x56051b6b4f40), t)
   Call: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _442982)
   Call: (196) [system] peek_char((0x56051b6b4f40), _443916)
   Exit: (196) [system] peek_char((0x56051b6b4f40), h)
^  Call: (196) [user] is_delimiter(h)
   Call: (197) [system] char_type(h, space)
   Call: (197) [system] arg(_447708, v('(', ')', end_of_file), h)
   Call: (196) [system] ')'==h
   Call: (196) [system] get_char((0x56051b6b4f40), h)
   Exit: (196) [system] get_char((0x56051b6b4f40), h)
   Call: (196) [system] h=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _452278)
   Call: (197) [system] peek_char((0x56051b6b4f40), _453212)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_457004, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _452278=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _442982=[h]
   Exit: (196) [system] [h]=[h]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h])
   Call: (195) [system] _433686=[t, h]
   Exit: (195) [system] [t, h]=[t, h]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h])
   Call: (194) [system] _424390=[p, t, h]
   Exit: (194) [system] [p, t, h]=[p, t, h]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, t, h])
   Call: (193) [system] _415094=[e, p, t, h]
   Exit: (193) [system] [e, p, t, h]=[e, p, t, h]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, p, t, h])
   Call: (192) [system] _405798=[d, e, p, t, h]
   Exit: (192) [system] [d, e, p, t, h]=[d, e, p, t, h]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e, p, t, h])
^  Call: (191) [user] classify_and_convert_charseq($, [d, e, p, t, h], _385254)
   Call: (192) [system] atom_chars(_477410, ['_', d, e, p, t, h])
   Exit: (192) [system] atom_chars('_depth', ['_', d, e, p, t, h])
^  Exit: (191) [user] classify_and_convert_charseq($, [d, e, p, t, h], _depth)
^  Exit: (190) [user] read_symbolic(')', (0x56051b6b4f40), $, _depth)
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _depth)
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _482074)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _483932)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
   Call: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _492400)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x56051b6b4f40), _496190)
   Exit: (190) [system] get_char((0x56051b6b4f40), ')')
   Call: (190) [system] _482074=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (189) [system] _360776=[_depth]
   Exit: (189) [system] [_depth]=[_depth]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [_depth])
   Call: (188) [system] _276692=[_rb, _depth]
   Exit: (188) [system] [_rb, _depth]=[_rb, _depth]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_rb, _depth])
   Call: (187) [system] _192608=[_kb, _rb, _depth]
   Exit: (187) [system] [_kb, _rb, _depth]=[_kb, _rb, _depth]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _depth])
   Call: (186) [system] _72254=[_query, _kb, _rb, _depth]
   Exit: (186) [system] [_query, _kb, _rb, _depth]=[_query, _kb, _rb, _depth]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [_query, _kb, _rb, _depth])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, _depth]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, _depth]=[synthesize, _query, _kb, _rb, _depth]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, _depth])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, _depth])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _515660)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _517518)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x56051b6b4f40), _525134)
   Exit: (185) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _527838)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x56051b6b4f40), _534648)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _537352)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _544162)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _546866)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _553676)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _556380)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _568544)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _572258)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _574116)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _582584)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _572258)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _588154)
   Exit: (187) [system] peek_char((0x56051b6b4f40), l)
   Call: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _596622)
   Exit: (186) [system] peek_char((0x56051b6b4f40), l)
   Call: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _600336)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _602194)
   Exit: (188) [system] peek_char((0x56051b6b4f40), l)
   Call: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _610662)
   Exit: (187) [system] get_char((0x56051b6b4f40), l)
   Call: (187) [system] l='('
   Call: (187) [system] l='['
   Call: (187) [system] l='{'
   Call: (187) [system] l='"'
   Call: (187) [system] l=!
   Call: (187) [system] l='\''
   Call: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, _600336)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620880)
   Call: (189) [system] peek_char((0x56051b6b4f40), _621814)
   Exit: (189) [system] peek_char((0x56051b6b4f40), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_625606, v('(', ')', end_of_file), e)
   Call: (189) [system] ')'==e
   Call: (189) [system] get_char((0x56051b6b4f40), e)
   Exit: (189) [system] get_char((0x56051b6b4f40), e)
   Call: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _630176)
   Call: (190) [system] peek_char((0x56051b6b4f40), _631110)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_634902, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _639472)
   Call: (191) [system] peek_char((0x56051b6b4f40), _640406)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _639472=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (190) [system] _630176=[t]
   Exit: (190) [system] [t]=[t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (189) [system] _620880=[e, t]
   Exit: (189) [system] [e, t]=[e, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, t])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t], _600336)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_655304, _655306), once(user:catch(read_from_chars([l, e, t], _600336), _655280, fail)), '$restore_trace'(_655304, _655306))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_655304, _655306))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([l, e, t], let), _655280, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(let)
   Exit: (189) [system] atomic(let)
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t], let)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, let)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), let)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _662804)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _664662)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _671472)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _674176)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _683568)
   Exit: (187) [system] peek_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _687282)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _689140)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _697608)
   Exit: (188) [system] get_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _687282)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _707826)
   Call: (190) [system] peek_char((0x56051b6b4f40), _708760)
   Exit: (190) [system] peek_char((0x56051b6b4f40), q)
^  Call: (190) [user] is_delimiter(q)
   Call: (191) [system] char_type(q, space)
   Call: (191) [system] arg(_712552, v('(', ')', end_of_file), q)
   Call: (190) [system] ')'==q
   Call: (190) [system] get_char((0x56051b6b4f40), q)
   Exit: (190) [system] get_char((0x56051b6b4f40), q)
   Call: (190) [system] q=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _717122)
   Call: (191) [system] peek_char((0x56051b6b4f40), _718056)
   Exit: (191) [system] peek_char((0x56051b6b4f40), u)
^  Call: (191) [user] is_delimiter(u)
   Call: (192) [system] char_type(u, space)
   Call: (192) [system] arg(_721848, v('(', ')', end_of_file), u)
   Call: (191) [system] ')'==u
   Call: (191) [system] get_char((0x56051b6b4f40), u)
   Exit: (191) [system] get_char((0x56051b6b4f40), u)
   Call: (191) [system] u=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _726418)
   Call: (192) [system] peek_char((0x56051b6b4f40), _727352)
   Exit: (192) [system] peek_char((0x56051b6b4f40), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_731144, v('(', ')', end_of_file), e)
   Call: (192) [system] ')'==e
   Call: (192) [system] get_char((0x56051b6b4f40), e)
   Exit: (192) [system] get_char((0x56051b6b4f40), e)
   Call: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _735714)
   Call: (193) [system] peek_char((0x56051b6b4f40), _736648)
   Exit: (193) [system] peek_char((0x56051b6b4f40), r)
^  Call: (193) [user] is_delimiter(r)
   Call: (194) [system] char_type(r, space)
   Call: (194) [system] arg(_740440, v('(', ')', end_of_file), r)
   Call: (193) [system] ')'==r
   Call: (193) [system] get_char((0x56051b6b4f40), r)
   Exit: (193) [system] get_char((0x56051b6b4f40), r)
   Call: (193) [system] r=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _745010)
   Call: (194) [system] peek_char((0x56051b6b4f40), _745944)
   Exit: (194) [system] peek_char((0x56051b6b4f40), y)
^  Call: (194) [user] is_delimiter(y)
   Call: (195) [system] char_type(y, space)
   Call: (195) [system] arg(_749736, v('(', ')', end_of_file), y)
   Call: (194) [system] ')'==y
   Call: (194) [system] get_char((0x56051b6b4f40), y)
   Exit: (194) [system] get_char((0x56051b6b4f40), y)
   Call: (194) [system] y=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _754306)
   Call: (195) [system] peek_char((0x56051b6b4f40), _755240)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _754306=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (194) [system] _745010=[y]
   Exit: (194) [system] [y]=[y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (193) [system] _735714=[r, y]
   Exit: (193) [system] [r, y]=[r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (192) [system] _726418=[e, r, y]
   Exit: (192) [system] [e, r, y]=[e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (191) [system] _717122=[u, e, r, y]
   Exit: (191) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (190) [system] _707826=[q, u, e, r, y]
   Exit: (190) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (189) [user] classify_and_convert_charseq($, [q, u, e, r, y], _687282)
   Call: (190) [system] atom_chars(_778494, ['_', q, u, e, r, y])
   Exit: (190) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (189) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _783158)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _785016)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _791826)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _794530)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _803922)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _807636)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _809494)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _817962)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _807636)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _823532)
   Exit: (191) [system] peek_char((0x56051b6b4f40), $)
   Call: (191) [system] ($)=(;)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _832000)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=')'
   Call: (190) [system] ($)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _835714)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _837572)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=(;)
^  Call: (192) [user] is_like_space($)
   Call: (193) [system] char_type($, 'white')
   Call: (193) [system] char_type($, end_of_line)
   Call: (193) [system] char_type($, space)
   Call: (193) [system] char_type($, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _846040)
   Exit: (191) [system] get_char((0x56051b6b4f40), $)
   Call: (191) [system] ($)='('
   Call: (191) [system] ($)='['
   Call: (191) [system] ($)='{'
   Call: (191) [system] ($)='"'
   Call: (191) [system] ($)=!
   Call: (191) [system] ($)='\''
   Call: (191) [system] ($)='`'
   Call: (191) [system] ($)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), $, _835714)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _856258)
   Call: (193) [system] peek_char((0x56051b6b4f40), _857192)
   Exit: (193) [system] peek_char((0x56051b6b4f40), k)
^  Call: (193) [user] is_delimiter(k)
   Call: (194) [system] char_type(k, space)
   Call: (194) [system] arg(_860984, v('(', ')', end_of_file), k)
   Call: (193) [system] ')'==k
   Call: (193) [system] get_char((0x56051b6b4f40), k)
   Exit: (193) [system] get_char((0x56051b6b4f40), k)
   Call: (193) [system] k=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _865554)
   Call: (194) [system] peek_char((0x56051b6b4f40), _866488)
   Exit: (194) [system] peek_char((0x56051b6b4f40), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_870280, v('(', ')', end_of_file), b)
   Call: (194) [system] ')'==b
   Call: (194) [system] get_char((0x56051b6b4f40), b)
   Exit: (194) [system] get_char((0x56051b6b4f40), b)
   Call: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _874850)
   Call: (195) [system] peek_char((0x56051b6b4f40), _875784)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_879576, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _874850=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (194) [system] _865554=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (193) [system] _856258=[k, b]
   Exit: (193) [system] [k, b]=[k, b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (192) [user] classify_and_convert_charseq($, [k, b], _835714)
   Call: (193) [system] atom_chars(_891600, ['_', k, b])
   Exit: (193) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (192) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _896264)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _898122)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ')')
   Call: (192) [system] ')'=(;)
^  Call: (192) [user] is_like_space(')')
   Call: (193) [system] char_type(')', 'white')
   Call: (193) [system] char_type(')', end_of_line)
   Call: (193) [system] char_type(')', space)
   Call: (193) [system] char_type(')', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _906590)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
   Call: (191) [system] ')'=')'
   Exit: (191) [system] ')'=')'
   Call: (191) [system] get_char((0x56051b6b4f40), _910380)
   Exit: (191) [system] get_char((0x56051b6b4f40), ')')
   Call: (191) [system] _896264=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (190) [system] _807636=[_kb]
   Exit: (190) [system] [_kb]=[_kb]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [_kb])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), [_kb])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _918674)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _920532)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _927342)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _930046)
   Exit: (191) [system] peek_char((0x56051b6b4f40), $)
   Call: (191) [system] ($)=(;)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _939438)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=')'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _943152)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _945010)
   Exit: (191) [system] peek_char((0x56051b6b4f40), $)
   Call: (191) [system] ($)=(;)
^  Call: (191) [user] is_like_space($)
   Call: (192) [system] char_type($, 'white')
   Call: (192) [system] char_type($, end_of_line)
   Call: (192) [system] char_type($, space)
   Call: (192) [system] char_type($, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _953478)
   Exit: (190) [system] get_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)='('
   Call: (190) [system] ($)='['
   Call: (190) [system] ($)='{'
   Call: (190) [system] ($)='"'
   Call: (190) [system] ($)=!
   Call: (190) [system] ($)='\''
   Call: (190) [system] ($)='`'
   Call: (190) [system] ($)=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x56051b6b4f40), $, _943152)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _963696)
   Call: (192) [system] peek_char((0x56051b6b4f40), _964630)
   Exit: (192) [system] peek_char((0x56051b6b4f40), q)
^  Call: (192) [user] is_delimiter(q)
   Call: (193) [system] char_type(q, space)
   Call: (193) [system] arg(_968422, v('(', ')', end_of_file), q)
   Call: (192) [system] ')'==q
   Call: (192) [system] get_char((0x56051b6b4f40), q)
   Exit: (192) [system] get_char((0x56051b6b4f40), q)
   Call: (192) [system] q=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _972992)
   Call: (193) [system] peek_char((0x56051b6b4f40), _973926)
   Exit: (193) [system] peek_char((0x56051b6b4f40), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_977718, v('(', ')', end_of_file), u)
   Call: (193) [system] ')'==u
   Call: (193) [system] get_char((0x56051b6b4f40), u)
   Exit: (193) [system] get_char((0x56051b6b4f40), u)
   Call: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _982288)
   Call: (194) [system] peek_char((0x56051b6b4f40), _983222)
   Exit: (194) [system] peek_char((0x56051b6b4f40), e)
^  Call: (194) [user] is_delimiter(e)
   Call: (195) [system] char_type(e, space)
   Call: (195) [system] arg(_987014, v('(', ')', end_of_file), e)
   Call: (194) [system] ')'==e
   Call: (194) [system] get_char((0x56051b6b4f40), e)
   Exit: (194) [system] get_char((0x56051b6b4f40), e)
   Call: (194) [system] e=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _991584)
   Call: (195) [system] peek_char((0x56051b6b4f40), _992518)
   Exit: (195) [system] peek_char((0x56051b6b4f40), r)
^  Call: (195) [user] is_delimiter(r)
   Call: (196) [system] char_type(r, space)
   Call: (196) [system] arg(_996310, v('(', ')', end_of_file), r)
   Call: (195) [system] ')'==r
   Call: (195) [system] get_char((0x56051b6b4f40), r)
   Exit: (195) [system] get_char((0x56051b6b4f40), r)
   Call: (195) [system] r=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1000880)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1001814)
   Exit: (196) [system] peek_char((0x56051b6b4f40), y)
^  Call: (196) [user] is_delimiter(y)
   Call: (197) [system] char_type(y, space)
   Call: (197) [system] arg(_1005606, v('(', ')', end_of_file), y)
   Call: (196) [system] ')'==y
   Call: (196) [system] get_char((0x56051b6b4f40), y)
   Exit: (196) [system] get_char((0x56051b6b4f40), y)
   Call: (196) [system] y=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1010176)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1011110)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1014902, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1010176=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1000880=[y]
   Exit: (196) [system] [y]=[y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (195) [system] _991584=[r, y]
   Exit: (195) [system] [r, y]=[r, y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (194) [system] _982288=[e, r, y]
   Exit: (194) [system] [e, r, y]=[e, r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (193) [system] _972992=[u, e, r, y]
   Exit: (193) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (192) [system] _963696=[q, u, e, r, y]
   Exit: (192) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (191) [user] classify_and_convert_charseq($, [q, u, e, r, y], _943152)
   Call: (192) [system] atom_chars(_1035308, ['_', q, u, e, r, y])
   Exit: (192) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (191) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (190) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1039972)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1041830)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
   Call: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1050298)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x56051b6b4f40), _1054088)
   Exit: (190) [system] get_char((0x56051b6b4f40), ')')
   Call: (190) [system] _1039972=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (189) [system] _918674=[_query]
   Exit: (189) [system] [_query]=[_query]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (188) [system] _783158=[[_kb], _query]
   Exit: (188) [system] [[_kb], _query]=[[_kb], _query]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [[_kb], _query])
   Call: (187) [system] _662804=[_query, [_kb], _query]
   Exit: (187) [system] [_query, [_kb], _query]=[_query, [_kb], _query]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [_query, [_kb], _query])
   Call: (186) [system] _572258=[let, _query, [_kb], _query]
   Exit: (186) [system] [let, _query, [_kb], _query]=[let, _query, [_kb], _query]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [let, _query, [_kb], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [let, _query, [_kb], _query])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1070764)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1072622)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1081090)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1084880)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1070764=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _515660=[[let, _query, [_kb], _query]]
   Exit: (184) [system] [[let, _query, [_kb], _query]]=[[let, _query, [_kb], _query]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[let, _query, [_kb], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]=[[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (179) [user] assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (179) [user] assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 50, 0, 1601, '$stream_position'(1601, 50, 0, 1601)), read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), assertz(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1103398, _1103400, _1103402, _1103404, _1103406))
^  Exit: (177) [user] retract(metta_file_comment(38, 0, 1167, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$stream_position'(1167, 38, 0, 1167)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1106238))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1106238)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1106238)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1109054))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1109054))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1109054)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1111854))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1111854)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1111854)
   Call: (187) [system] var('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] atom('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==true
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==false
   Call: (187) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==[_1118374, _1118380]
   Call: (187) [system] is_list('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] string('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] compound('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Exit: (187) [system] compound('$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1123008, _1123010)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; $rb: a nullary function to rule", 38, 0], _1126750)
   Call: (188) [apply] apply:maplist_([";; $rb: a nullary function to rule", 38, 0], _1126750, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; $rb: a nullary function to rule", _1128630)
   Call: (190) [system] var(";; $rb: a nullary function to rule")
   Call: (190) [system] atom(";; $rb: a nullary function to rule")
   Call: (190) [system] ";; $rb: a nullary function to rule"==true
   Call: (190) [system] ";; $rb: a nullary function to rule"==false
   Call: (190) [system] ";; $rb: a nullary function to rule"==[_1133272, _1133278]
   Call: (190) [system] is_list(";; $rb: a nullary function to rule")
   Call: (190) [system] string(";; $rb: a nullary function to rule")
   Exit: (190) [system] string(";; $rb: a nullary function to rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; $rb: a nullary function to rule")
^  Call: (190) [user] symbol(";; $rb: a nullary function to rule")
   Call: (191) [system] atom(";; $rb: a nullary function to rule")
   Fail: (191) [system] atom(";; $rb: a nullary function to rule")
^  Fail: (190) [user] symbol(";; $rb: a nullary function to rule")
   Call: (190) [system] ";; $rb: a nullary function to rule"=_1128630
   Exit: (190) [system] ";; $rb: a nullary function to rule"=";; $rb: a nullary function to rule"
^  Exit: (189) [user] mfix_vars1(";; $rb: a nullary function to rule", ";; $rb: a nullary function to rule")
   Call: (189) [apply] apply:maplist_([38, 0], _1128632, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(38, _1147152)
   Call: (191) [system] var(38)
   Call: (191) [system] atom(38)
   Call: (191) [system] 38==true
   Call: (191) [system] 38==false
   Call: (191) [system] 38==[_1151794, _1151800]
   Call: (191) [system] is_list(38)
   Call: (191) [system] string(38)
   Call: (191) [system] compound(38)
^  Call: (191) [user] symbol(38)
   Call: (192) [system] atom(38)
   Fail: (192) [system] atom(38)
^  Fail: (191) [user] symbol(38)
   Call: (191) [system] 38=_1147152
   Exit: (191) [system] 38=38
^  Exit: (190) [user] mfix_vars1(38, 38)
   Call: (190) [apply] apply:maplist_([0], _1147154, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1162918)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1167560, _1167566]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1162918
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1162920, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([38, 0], [38, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; $rb: a nullary function to rule", 38, 0], [";; $rb: a nullary function to rule", 38, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; $rb: a nullary function to rule", 38, 0], [";; $rb: a nullary function to rule", 38, 0])
   Call: (187) [system] compound_name_arguments(_1111854, '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT', [";; $rb: a nullary function to rule", 38, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1191736))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1191736))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1191736)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1194536))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1194536)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1194536)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1106238))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1106238))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1106238)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1208494))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1208494)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), _1208494)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (184) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (178) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)\=@='$COMMENT'(";; $rb: a nullary function to rule", 38, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)))
   Call: (169) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $rb: a nullary function to rule", 38, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), nthesize_long_1726792630_1772065, 49)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792632.170005)
   Call: (173) [system] arg(1, t(1726792630.1734605), _3148)
   Exit: (173) [system] arg(1, t(1726792630.1734605), 1726792630.1734605)
   Call: (173) [system] _3158 is 1726792632.170005-1726792630.1734605
   Exit: (173) [system] 1.996544599533081 is 1726792632.170005-1726792630.1734605
   Call: (173) [system] 1.996544599533081>4
   Fail: (173) [system] 1.996544599533081>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 4)
   Call: (175) [system] atom(4+1)
   Call: (175) [system] set_flag(translated_forms, 5)
   Exit: (175) [system] set_flag(translated_forms, 5)
   Exit: (174) [$syspreds] update_flag(translated_forms, 4, 4+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 4, 4+1))
   Exit: (171) [$syspreds] flag(translated_forms, 4, 4+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), nthesize_long_1726792630_1772065, 49)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; $rb: a nullary function to rule"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; $rb: a nullary function to rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), nthesize_long_1726792630_1772065, 49)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $rb: a nullary function to rule", 38, 0)), 49]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 4, 4+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $rb: a nullary function to rule", 38, 0), nthesize_long_1726792630_1772065, 49)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 52)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 52))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 52))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1283278)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1290700)
   Exit: (175) [system] peek_char((0x56051b6b4f40), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1299038)
   Exit: (177) [system] peek_char((0x56051b6b4f40), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1301824=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _1303692, _1303694, _1303696, _1303698), read_sexpr((0x56051b6b4f40), _1303710), assertz(metta_file_comment(_1303692, _1303694, _1303696, _1303710, _1303698))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _1303692, _1303694, _1303696, _1303698)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_1303698))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_1303698))
   Exit: (181) [system] nonvar(position(_1303698))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1693, 53, 0, 1693)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), _1303692)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1313950)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), _1303692)
   Exit: (181) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), 53)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), 53)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), _1303694)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1321384)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), _1303694)
   Exit: (181) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), _1303696)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1328818)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), _1303696)
   Exit: (181) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), 1693)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), 1693)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _1303710)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1303710)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1338120)
   Exit: (182) [system] peek_char((0x56051b6b4f40), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (183) [user] read_position((0x56051b6b4f40), _1342758, _1342760, _1342762, _1342764)
   Call: (184) [system] stream_property((0x56051b6b4f40), position(_1342764))
   Call: (185) [system] nonvar((0x56051b6b4f40))
   Exit: (185) [system] nonvar((0x56051b6b4f40))
   Call: (185) [system] nonvar(position(_1342764))
   Exit: (185) [system] nonvar(position(_1342764))
   Exit: (184) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1693, 53, 0, 1693)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), _1342758)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1352052)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), _1342758)
   Exit: (185) [system] arg(2, '$stream_position'(1693, 53, 0, 1693), 53)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1693, 53, 0, 1693), 53)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), _1342760)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1359486)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), _1342760)
   Exit: (185) [system] arg(3, '$stream_position'(1693, 53, 0, 1693), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1693, 53, 0, 1693), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), _1342762)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1366920)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), _1342762)
   Exit: (185) [system] arg(1, '$stream_position'(1693, 53, 0, 1693), 1693)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1693, 53, 0, 1693), 1693)
^  Exit: (183) [user] read_position((0x56051b6b4f40), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693))
^  Call: (183) [user] read_until_eol((0x56051b6b4f40), _1372514)
   Call: (184) [system] get_char((0x56051b6b4f40), _1373444)
   Exit: (184) [system] get_char((0x56051b6b4f40), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _1377158)
   Call: (185) [system] get_char((0x56051b6b4f40), _1378088)
   Exit: (185) [system] get_char((0x56051b6b4f40), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1381802)
   Call: (186) [system] get_char((0x56051b6b4f40), _1382732)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1386446)
   Call: (187) [system] get_char((0x56051b6b4f40), _1387376)
   Exit: (187) [system] get_char((0x56051b6b4f40), 'U')
   Call: (187) [system] char_type('U', end_of_line)
   Call: (187) [system] 'U'=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1391090)
   Call: (188) [system] get_char((0x56051b6b4f40), _1392020)
   Exit: (188) [system] get_char((0x56051b6b4f40), n)
   Call: (188) [system] char_type(n, end_of_line)
   Call: (188) [system] n=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1395734)
   Call: (189) [system] get_char((0x56051b6b4f40), _1396664)
   Exit: (189) [system] get_char((0x56051b6b4f40), a)
   Call: (189) [system] char_type(a, end_of_line)
   Call: (189) [system] a=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1400378)
   Call: (190) [system] get_char((0x56051b6b4f40), _1401308)
   Exit: (190) [system] get_char((0x56051b6b4f40), r)
   Call: (190) [system] char_type(r, end_of_line)
   Call: (190) [system] r=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1405022)
   Call: (191) [system] get_char((0x56051b6b4f40), _1405952)
   Exit: (191) [system] get_char((0x56051b6b4f40), y)
   Call: (191) [system] char_type(y, end_of_line)
   Call: (191) [system] y=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1409666)
   Call: (192) [system] get_char((0x56051b6b4f40), _1410596)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
   Call: (192) [system] char_type(' ', end_of_line)
   Call: (192) [system] ' '=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1414310)
   Call: (193) [system] get_char((0x56051b6b4f40), _1415240)
   Exit: (193) [system] get_char((0x56051b6b4f40), r)
   Call: (193) [system] char_type(r, end_of_line)
   Call: (193) [system] r=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1418954)
   Call: (194) [system] get_char((0x56051b6b4f40), _1419884)
   Exit: (194) [system] get_char((0x56051b6b4f40), u)
   Call: (194) [system] char_type(u, end_of_line)
   Call: (194) [system] u=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1423598)
   Call: (195) [system] get_char((0x56051b6b4f40), _1424528)
   Exit: (195) [system] get_char((0x56051b6b4f40), l)
   Call: (195) [system] char_type(l, end_of_line)
   Call: (195) [system] l=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1428242)
   Call: (196) [system] get_char((0x56051b6b4f40), _1429172)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] char_type(e, end_of_line)
   Call: (196) [system] e=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1432886)
   Call: (197) [system] get_char((0x56051b6b4f40), _1433816)
   Exit: (197) [system] get_char((0x56051b6b4f40), '\n')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
   Call: (197) [system] _1432886=""
   Exit: (197) [system] ""=""
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (196) [system] string_concat(e, "", _1428242)
   Exit: (196) [system] string_concat(e, "", "e")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "e")
   Call: (195) [system] string_concat(l, "e", _1423598)
   Exit: (195) [system] string_concat(l, "e", "le")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "le")
   Call: (194) [system] string_concat(u, "le", _1418954)
   Exit: (194) [system] string_concat(u, "le", "ule")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "ule")
   Call: (193) [system] string_concat(r, "ule", _1414310)
   Exit: (193) [system] string_concat(r, "ule", "rule")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "rule")
   Call: (192) [system] string_concat(' ', "rule", _1409666)
   Exit: (192) [system] string_concat(' ', "rule", " rule")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), " rule")
   Call: (191) [system] string_concat(y, " rule", _1405022)
   Exit: (191) [system] string_concat(y, " rule", "y rule")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "y rule")
   Call: (190) [system] string_concat(r, "y rule", _1400378)
   Exit: (190) [system] string_concat(r, "y rule", "ry rule")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "ry rule")
   Call: (189) [system] string_concat(a, "ry rule", _1395734)
   Exit: (189) [system] string_concat(a, "ry rule", "ary rule")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "ary rule")
   Call: (188) [system] string_concat(n, "ary rule", _1391090)
   Exit: (188) [system] string_concat(n, "ary rule", "nary rule")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "nary rule")
   Call: (187) [system] string_concat('U', "nary rule", _1386446)
   Exit: (187) [system] string_concat('U', "nary rule", "Unary rule")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), "Unary rule")
   Call: (186) [system] string_concat(' ', "Unary rule", _1381802)
   Exit: (186) [system] string_concat(' ', "Unary rule", " Unary rule")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), " Unary rule")
   Call: (185) [system] string_concat(;, " Unary rule", _1377158)
   Exit: (185) [system] string_concat(;, " Unary rule", "; Unary rule")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), "; Unary rule")
   Call: (184) [system] string_concat(;, "; Unary rule", _1372514)
   Exit: (184) [system] string_concat(;, "; Unary rule", ";; Unary rule")
^  Exit: (183) [user] read_until_eol((0x56051b6b4f40), ";; Unary rule")
^  Call: (183) [user] assertz(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (183) [user] assertz(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1480436)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1489828)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1303710)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1495398)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1503866)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1507580)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1509438)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1517906)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _1507580)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1528124)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1529058)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1528124=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1507580)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1538368, _1538370), once(user:catch(read_from_chars([=], _1507580), _1538344, fail)), '$restore_trace'(_1538368, _1538370))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1538368, _1538370))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1538344, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1545868)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1547726)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1554536)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1557240)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1566632)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1570346)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1572204)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1580672)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1570346)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1586242)
   Exit: (186) [system] peek_char((0x56051b6b4f40), s)
   Call: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1594710)
   Exit: (185) [system] peek_char((0x56051b6b4f40), s)
   Call: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1598424)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1600282)
   Exit: (187) [system] peek_char((0x56051b6b4f40), s)
   Call: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1608750)
   Exit: (186) [system] get_char((0x56051b6b4f40), s)
   Call: (186) [system] s='('
   Call: (186) [system] s='['
   Call: (186) [system] s='{'
   Call: (186) [system] s='"'
   Call: (186) [system] s=!
   Call: (186) [system] s='\''
   Call: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, _1598424)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1618968)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1619902)
   Exit: (188) [system] peek_char((0x56051b6b4f40), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1623694, v('(', ')', end_of_file), y)
   Call: (188) [system] ')'==y
   Call: (188) [system] get_char((0x56051b6b4f40), y)
   Exit: (188) [system] get_char((0x56051b6b4f40), y)
   Call: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1628264)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1629198)
   Exit: (189) [system] peek_char((0x56051b6b4f40), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1632990, v('(', ')', end_of_file), n)
   Call: (189) [system] ')'==n
   Call: (189) [system] get_char((0x56051b6b4f40), n)
   Exit: (189) [system] get_char((0x56051b6b4f40), n)
   Call: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1637560)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1638494)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1642286, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1646856)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1647790)
   Exit: (191) [system] peek_char((0x56051b6b4f40), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1651582, v('(', ')', end_of_file), h)
   Call: (191) [system] ')'==h
   Call: (191) [system] get_char((0x56051b6b4f40), h)
   Exit: (191) [system] get_char((0x56051b6b4f40), h)
   Call: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1656152)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1657086)
   Exit: (192) [system] peek_char((0x56051b6b4f40), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1660878, v('(', ')', end_of_file), e)
   Call: (192) [system] ')'==e
   Call: (192) [system] get_char((0x56051b6b4f40), e)
   Exit: (192) [system] get_char((0x56051b6b4f40), e)
   Call: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1665448)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1666382)
   Exit: (193) [system] peek_char((0x56051b6b4f40), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1670174, v('(', ')', end_of_file), s)
   Call: (193) [system] ')'==s
   Call: (193) [system] get_char((0x56051b6b4f40), s)
   Exit: (193) [system] get_char((0x56051b6b4f40), s)
   Call: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1674744)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1675678)
   Exit: (194) [system] peek_char((0x56051b6b4f40), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1679470, v('(', ')', end_of_file), i)
   Call: (194) [system] ')'==i
   Call: (194) [system] get_char((0x56051b6b4f40), i)
   Exit: (194) [system] get_char((0x56051b6b4f40), i)
   Call: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1684040)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1684974)
   Exit: (195) [system] peek_char((0x56051b6b4f40), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1688766, v('(', ')', end_of_file), z)
   Call: (195) [system] ')'==z
   Call: (195) [system] get_char((0x56051b6b4f40), z)
   Exit: (195) [system] get_char((0x56051b6b4f40), z)
   Call: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1693336)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1694270)
   Exit: (196) [system] peek_char((0x56051b6b4f40), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1698062, v('(', ')', end_of_file), e)
   Call: (196) [system] ')'==e
   Call: (196) [system] get_char((0x56051b6b4f40), e)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1702632)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1703566)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1702632=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1693336=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (195) [system] _1684040=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (194) [system] _1674744=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (193) [system] _1665448=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (192) [system] _1656152=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (191) [system] _1646856=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (190) [system] _1637560=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (189) [system] _1628264=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1618968=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1598424)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1738022, _1738024), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1598424), _1737998, fail)), '$restore_trace'(_1738022, _1738024))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1738022, _1738024))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1737998, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1745522)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1747380)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _1754190)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1756894)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1766286)
   Exit: (186) [system] peek_char((0x56051b6b4f40), $)
   Call: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1770000)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1771858)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1780326)
   Exit: (187) [system] get_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _1770000)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1790544)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1791478)
   Exit: (189) [system] peek_char((0x56051b6b4f40), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1795270, v('(', ')', end_of_file), q)
   Call: (189) [system] ')'==q
   Call: (189) [system] get_char((0x56051b6b4f40), q)
   Exit: (189) [system] get_char((0x56051b6b4f40), q)
   Call: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1799840)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1800774)
   Exit: (190) [system] peek_char((0x56051b6b4f40), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1804566, v('(', ')', end_of_file), u)
   Call: (190) [system] ')'==u
   Call: (190) [system] get_char((0x56051b6b4f40), u)
   Exit: (190) [system] get_char((0x56051b6b4f40), u)
   Call: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1809136)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1810070)
   Exit: (191) [system] peek_char((0x56051b6b4f40), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1813862, v('(', ')', end_of_file), e)
   Call: (191) [system] ')'==e
   Call: (191) [system] get_char((0x56051b6b4f40), e)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1818432)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1819366)
   Exit: (192) [system] peek_char((0x56051b6b4f40), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1823158, v('(', ')', end_of_file), r)
   Call: (192) [system] ')'==r
   Call: (192) [system] get_char((0x56051b6b4f40), r)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1827728)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1828662)
   Exit: (193) [system] peek_char((0x56051b6b4f40), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1832454, v('(', ')', end_of_file), y)
   Call: (193) [system] ')'==y
   Call: (193) [system] get_char((0x56051b6b4f40), y)
   Exit: (193) [system] get_char((0x56051b6b4f40), y)
   Call: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1837024)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1837958)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1837024=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1827728=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (192) [system] _1818432=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (191) [system] _1809136=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (190) [system] _1799840=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (189) [system] _1790544=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1770000)
   Call: (189) [system] atom_chars(_1861212, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _1865876)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1867734)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1874544)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1877248)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1886640)
   Exit: (187) [system] peek_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _1890354)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1892212)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _1900680)
   Exit: (188) [system] get_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _1890354)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1910898)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1911832)
   Exit: (190) [system] peek_char((0x56051b6b4f40), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1915624, v('(', ')', end_of_file), k)
   Call: (190) [system] ')'==k
   Call: (190) [system] get_char((0x56051b6b4f40), k)
   Exit: (190) [system] get_char((0x56051b6b4f40), k)
   Call: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1920194)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1921128)
   Exit: (191) [system] peek_char((0x56051b6b4f40), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1924920, v('(', ')', end_of_file), b)
   Call: (191) [system] ')'==b
   Call: (191) [system] get_char((0x56051b6b4f40), b)
   Exit: (191) [system] get_char((0x56051b6b4f40), b)
   Call: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1929490)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1930424)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1929490=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _1920194=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (190) [system] _1910898=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _1890354)
   Call: (190) [system] atom_chars(_1945296, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1949960)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1951818)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1958628)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1961332)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1970724)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _1974438)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1976296)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _1984764)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _1974438)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1994982)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1995916)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1999708, v('(', ')', end_of_file), r)
   Call: (191) [system] ')'==r
   Call: (191) [system] get_char((0x56051b6b4f40), r)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2004278)
   Call: (192) [system] peek_char((0x56051b6b4f40), _2005212)
   Exit: (192) [system] peek_char((0x56051b6b4f40), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_2009004, v('(', ')', end_of_file), b)
   Call: (192) [system] ')'==b
   Call: (192) [system] get_char((0x56051b6b4f40), b)
   Exit: (192) [system] get_char((0x56051b6b4f40), b)
   Call: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2013574)
   Call: (193) [system] peek_char((0x56051b6b4f40), _2014508)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _2013574=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (192) [system] _2004278=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (191) [system] _1994982=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _1974438)
   Call: (191) [system] atom_chars(_2029380, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _2034044)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _2035902)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _2042712)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _2045416)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _2054808)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _2058522)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _2060380)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _2068848)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _2058522)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _2074418)
   Exit: (192) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (192) [system] 'S'=(;)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _2082886)
   Exit: (191) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _2086600)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _2088458)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (193) [system] 'S'=(;)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _3412)
   Exit: (192) [system] get_char((0x56051b6b4f40), 'S')
   Call: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'S', _3408)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _13586)
   Call: (194) [system] peek_char((0x56051b6b4f40), _14520)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _13586=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq('S', [], _3408)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_23830, _23832), once(user:catch(read_from_chars(['S'], _3408), _23806, fail)), '$restore_trace'(_23830, _23832))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_23830, _23832))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _3408), _23806, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_3408)
   Call: (194) [system] atom_chars(_3408, ['S'])
   Exit: (194) [system] atom_chars('S', ['S'])
^  Exit: (193) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), 'S')
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _32282)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _34140)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _40950)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _43654)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _53046)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _56760)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _58618)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _67086)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _56760)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _77304)
   Call: (195) [system] peek_char((0x56051b6b4f40), _78238)
   Exit: (195) [system] peek_char((0x56051b6b4f40), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_82030, v('(', ')', end_of_file), k)
   Call: (195) [system] ')'==k
   Call: (195) [system] get_char((0x56051b6b4f40), k)
   Exit: (195) [system] get_char((0x56051b6b4f40), k)
   Call: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _86600)
   Call: (196) [system] peek_char((0x56051b6b4f40), _87534)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_91326, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _86600=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _77304=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (194) [user] classify_and_convert_charseq($, [k], _56760)
   Call: (195) [system] atom_chars(_100556, ['_', k])
   Exit: (195) [system] atom_chars('_k', ['_', k])
^  Exit: (194) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _105220)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _107078)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _115546)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _119336)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _105220=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _32282=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (191) [system] _3402=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), ['S', _k])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _130424)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _132282)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
   Call: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _140750)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x56051b6b4f40), _144540)
   Exit: (190) [system] get_char((0x56051b6b4f40), ')')
   Call: (190) [system] _130424=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (189) [system] _3398=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [['S', _k]])
   Call: (188) [system] _3388=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_rb, ['S', _k]])
   Call: (187) [system] _3378=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3368=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _164010)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _165868)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x56051b6b4f40), _173484)
   Exit: (185) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _176188)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x56051b6b4f40), _182998)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _185702)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _192512)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _195216)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _202026)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _204730)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _216894)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _220608)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _222466)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _230934)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _220608)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _236504)
   Exit: (187) [system] peek_char((0x56051b6b4f40), l)
   Call: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _244972)
   Exit: (186) [system] peek_char((0x56051b6b4f40), l)
   Call: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _248686)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _250544)
   Exit: (188) [system] peek_char((0x56051b6b4f40), l)
   Call: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _259012)
   Exit: (187) [system] get_char((0x56051b6b4f40), l)
   Call: (187) [system] l='('
   Call: (187) [system] l='['
   Call: (187) [system] l='{'
   Call: (187) [system] l='"'
   Call: (187) [system] l=!
   Call: (187) [system] l='\''
   Call: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, _248686)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _269230)
   Call: (189) [system] peek_char((0x56051b6b4f40), _270164)
   Exit: (189) [system] peek_char((0x56051b6b4f40), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_273956, v('(', ')', end_of_file), e)
   Call: (189) [system] ')'==e
   Call: (189) [system] get_char((0x56051b6b4f40), e)
   Exit: (189) [system] get_char((0x56051b6b4f40), e)
   Call: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _278526)
   Call: (190) [system] peek_char((0x56051b6b4f40), _279460)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_283252, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _287822)
   Call: (191) [system] peek_char((0x56051b6b4f40), _288756)
   Exit: (191) [system] peek_char((0x56051b6b4f40), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_292548, v('(', ')', end_of_file), *)
   Call: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x56051b6b4f40), *)
   Exit: (191) [system] get_char((0x56051b6b4f40), *)
   Call: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _297118)
   Call: (192) [system] peek_char((0x56051b6b4f40), _298052)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _297118=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _287822=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [*])
   Call: (190) [system] _278526=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, *])
   Call: (189) [system] _269230=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t, *], _248686)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_315744, _315746), once(user:catch(read_from_chars([l, e, t, *], _248686), _315720, fail)), '$restore_trace'(_315744, _315746))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_315744, _315746))
   Call: (189) [system] atom_chars(_3430, [l, e, t, *])
   Exit: (189) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), 'let*')
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _8202)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _10060)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _16870)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _19574)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _28966)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _32680)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _34538)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _43006)
   Exit: (188) [system] get_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _32680)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _48576)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _57044)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _60758)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _62616)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _71084)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _60758)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _76654)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _85122)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _88836)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _90694)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _99162)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _88836)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _104732)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _113200)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _116914)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _118772)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _127240)
   Exit: (194) [system] get_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, _116914)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _137458)
   Call: (196) [system] peek_char((0x56051b6b4f40), _138392)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _137458=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _116914)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_147702, _147704), once(user:catch(read_from_chars([:], _116914), _147678, fail)), '$restore_trace'(_147702, _147704))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_147702, _147704))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _147678, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _155202)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _157060)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _163870)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _166574)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _175966)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _179680)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _181538)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _190006)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _179680)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _200224)
   Call: (197) [system] peek_char((0x56051b6b4f40), _201158)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_204950, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _209520)
   Call: (198) [system] peek_char((0x56051b6b4f40), _210454)
   Exit: (198) [system] peek_char((0x56051b6b4f40), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_214246, v('(', ')', end_of_file), u)
   Call: (198) [system] ')'==u
   Call: (198) [system] get_char((0x56051b6b4f40), u)
   Exit: (198) [system] get_char((0x56051b6b4f40), u)
   Call: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _218816)
   Call: (199) [system] peek_char((0x56051b6b4f40), _219750)
   Exit: (199) [system] peek_char((0x56051b6b4f40), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_223542, v('(', ')', end_of_file), c)
   Call: (199) [system] ')'==c
   Call: (199) [system] get_char((0x56051b6b4f40), c)
   Exit: (199) [system] get_char((0x56051b6b4f40), c)
   Call: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _228112)
   Call: (200) [system] peek_char((0x56051b6b4f40), _229046)
   Exit: (200) [system] peek_char((0x56051b6b4f40), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_232838, v('(', ')', end_of_file), t)
   Call: (200) [system] ')'==t
   Call: (200) [system] get_char((0x56051b6b4f40), t)
   Exit: (200) [system] get_char((0x56051b6b4f40), t)
   Call: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _237408)
   Call: (201) [system] peek_char((0x56051b6b4f40), _238342)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_242134, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _246704)
   Call: (202) [system] peek_char((0x56051b6b4f40), _247638)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_251430, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256000)
   Call: (203) [system] peek_char((0x56051b6b4f40), _256934)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _256000=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _246704=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
   Call: (201) [system] _237408=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, r])
   Call: (200) [system] _228112=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, r])
   Call: (199) [system] _218816=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, o, r])
   Call: (198) [system] _209520=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, o, r])
   Call: (197) [system] _200224=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _179680)
   Call: (197) [system] atom_chars(_282982, ['_', r, u, c, t, o, r])
   Exit: (197) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _ructor)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _287646)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _289504)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _296314)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _299018)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _308410)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _312124)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _313982)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _322450)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _312124)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _328020)
   Exit: (198) [system] peek_char((0x56051b6b4f40), -)
   Call: (198) [system] (-)=(;)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _336488)
   Exit: (197) [system] peek_char((0x56051b6b4f40), -)
   Call: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _340202)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _342060)
   Exit: (199) [system] peek_char((0x56051b6b4f40), -)
   Call: (199) [system] (-)=(;)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _350528)
   Exit: (198) [system] get_char((0x56051b6b4f40), -)
   Call: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), -, _340202)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _360746)
   Call: (200) [system] peek_char((0x56051b6b4f40), _361680)
   Exit: (200) [system] peek_char((0x56051b6b4f40), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_365472, v('(', ')', end_of_file), >)
   Call: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x56051b6b4f40), >)
   Exit: (200) [system] get_char((0x56051b6b4f40), >)
   Call: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _370042)
   Call: (201) [system] peek_char((0x56051b6b4f40), _370976)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _370042=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _360746=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (199) [user] classify_and_convert_charseq(-, [>], _340202)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_383080, _383082), once(user:catch(read_from_chars([-, >], _340202), _383056, fail)), '$restore_trace'(_383080, _383082))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_383080, _383082))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _383056, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(->)
   Exit: (200) [system] atomic(->)
^  Exit: (199) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _390580)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _392438)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _399248)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _401952)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _411344)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _415058)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _416916)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _425384)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _415058)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _435602)
   Call: (201) [system] peek_char((0x56051b6b4f40), _436536)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_440328, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _444898)
   Call: (202) [system] peek_char((0x56051b6b4f40), _445832)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_449624, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454194)
   Call: (203) [system] peek_char((0x56051b6b4f40), _455128)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_458920, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _463490)
   Call: (204) [system] peek_char((0x56051b6b4f40), _464424)
   Exit: (204) [system] peek_char((0x56051b6b4f40), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_468216, v('(', ')', end_of_file), m)
   Call: (204) [system] ')'==m
   Call: (204) [system] get_char((0x56051b6b4f40), m)
   Exit: (204) [system] get_char((0x56051b6b4f40), m)
   Call: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _472786)
   Call: (205) [system] peek_char((0x56051b6b4f40), _473720)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_477512, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _482082)
   Call: (206) [system] peek_char((0x56051b6b4f40), _483016)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_486808, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _491378)
   Call: (207) [system] peek_char((0x56051b6b4f40), _492312)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_496104, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _500674)
   Call: (208) [system] peek_char((0x56051b6b4f40), _501608)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _500674=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _491378=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (206) [system] _482082=[s, e]
   Exit: (206) [system] [s, e]=[s, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e])
   Call: (205) [system] _472786=[i, s, e]
   Exit: (205) [system] [i, s, e]=[i, s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e])
   Call: (204) [system] _463490=[m, i, s, e]
   Exit: (204) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e])
   Call: (203) [system] _454194=[e, m, i, s, e]
   Exit: (203) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e])
   Call: (202) [system] _444898=[r, e, m, i, s, e]
   Exit: (202) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e])
   Call: (201) [system] _435602=[p, r, e, m, i, s, e]
   Exit: (201) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _415058)
   Call: (201) [system] atom_chars(_530450, ['_', p, r, e, m, i, s, e])
   Exit: (201) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _premise)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _premise)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _535114)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _536972)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _543782)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _546486)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _555878)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _559592)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _561450)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _569918)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _559592)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _580136)
   Call: (202) [system] peek_char((0x56051b6b4f40), _581070)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_584862, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _589432)
   Call: (203) [system] peek_char((0x56051b6b4f40), _590366)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_594158, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _598728)
   Call: (204) [system] peek_char((0x56051b6b4f40), _599662)
   Exit: (204) [system] peek_char((0x56051b6b4f40), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_603454, v('(', ')', end_of_file), n)
   Call: (204) [system] ')'==n
   Call: (204) [system] get_char((0x56051b6b4f40), n)
   Exit: (204) [system] get_char((0x56051b6b4f40), n)
   Call: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _608024)
   Call: (205) [system] peek_char((0x56051b6b4f40), _608958)
   Exit: (205) [system] peek_char((0x56051b6b4f40), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_612750, v('(', ')', end_of_file), c)
   Call: (205) [system] ')'==c
   Call: (205) [system] get_char((0x56051b6b4f40), c)
   Exit: (205) [system] get_char((0x56051b6b4f40), c)
   Call: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _617320)
   Call: (206) [system] peek_char((0x56051b6b4f40), _618254)
   Exit: (206) [system] peek_char((0x56051b6b4f40), l)
^  Call: (206) [user] is_delimiter(l)
   Call: (207) [system] char_type(l, space)
   Call: (207) [system] arg(_622046, v('(', ')', end_of_file), l)
   Call: (206) [system] ')'==l
   Call: (206) [system] get_char((0x56051b6b4f40), l)
   Exit: (206) [system] get_char((0x56051b6b4f40), l)
   Call: (206) [system] l=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _626616)
   Call: (207) [system] peek_char((0x56051b6b4f40), _627550)
   Exit: (207) [system] peek_char((0x56051b6b4f40), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_631342, v('(', ')', end_of_file), u)
   Call: (207) [system] ')'==u
   Call: (207) [system] get_char((0x56051b6b4f40), u)
   Exit: (207) [system] get_char((0x56051b6b4f40), u)
   Call: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _635912)
   Call: (208) [system] peek_char((0x56051b6b4f40), _636846)
   Exit: (208) [system] peek_char((0x56051b6b4f40), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_640638, v('(', ')', end_of_file), s)
   Call: (208) [system] ')'==s
   Call: (208) [system] get_char((0x56051b6b4f40), s)
   Exit: (208) [system] get_char((0x56051b6b4f40), s)
   Call: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _645208)
   Call: (209) [system] peek_char((0x56051b6b4f40), _646142)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_649934, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _654504)
   Call: (210) [system] peek_char((0x56051b6b4f40), _655438)
   Exit: (210) [system] peek_char((0x56051b6b4f40), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_659230, v('(', ')', end_of_file), o)
   Call: (210) [system] ')'==o
   Call: (210) [system] get_char((0x56051b6b4f40), o)
   Exit: (210) [system] get_char((0x56051b6b4f40), o)
   Call: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _663800)
   Call: (211) [system] peek_char((0x56051b6b4f40), _664734)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_668526, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _673096)
   Call: (212) [system] peek_char((0x56051b6b4f40), _674030)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_677822, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _673096=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _663800=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (210) [system] _654504=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (209) [system] _645208=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (208) [system] _635912=[s, i, o, n]
   Exit: (208) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, o, n])
   Call: (207) [system] _626616=[u, s, i, o, n]
   Exit: (207) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, i, o, n])
   Call: (206) [system] _617320=[l, u, s, i, o, n]
   Exit: (206) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, u, s, i, o, n])
   Call: (205) [system] _608024=[c, l, u, s, i, o, n]
   Exit: (205) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, l, u, s, i, o, n])
   Call: (204) [system] _598728=[n, c, l, u, s, i, o, n]
   Exit: (204) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, l, u, s, i, o, n])
   Call: (203) [system] _589432=[o, n, c, l, u, s, i, o, n]
   Exit: (203) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, c, l, u, s, i, o, n])
   Call: (202) [system] _580136=[c, o, n, c, l, u, s, i, o, n]
   Exit: (202) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, o, n, c, l, u, s, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _559592)
   Call: (202) [system] atom_chars(_712198, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (202) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _conclusion)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _conclusion)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _716862)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _718720)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _727188)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x56051b6b4f40), _730978)
   Exit: (200) [system] get_char((0x56051b6b4f40), ')')
   Call: (200) [system] _716862=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (199) [system] _535114=[_conclusion]
   Exit: (199) [system] [_conclusion]=[_conclusion]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_conclusion])
   Call: (198) [system] _390580=[_premise, _conclusion]
   Exit: (198) [system] [_premise, _conclusion]=[_premise, _conclusion]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_premise, _conclusion])
   Call: (197) [system] _312124=[->, _premise, _conclusion]
   Exit: (197) [system] [->, _premise, _conclusion]=[->, _premise, _conclusion]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [->, _premise, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [->, _premise, _conclusion])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _744860)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _746718)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _755186)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _758976)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _744860=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _287646=[[->, _premise, _conclusion]]
   Exit: (195) [system] [[->, _premise, _conclusion]]=[[->, _premise, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[->, _premise, _conclusion]])
   Call: (194) [system] _155202=[_ructor, [->, _premise, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise, _conclusion]]=[_ructor, [->, _premise, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_ructor, [->, _premise, _conclusion]])
   Call: (193) [system] _88836=[:, _ructor, [->, _premise, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise, _conclusion]]=[:, _ructor, [->, _premise, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [:, _ructor, [->, _premise, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _ructor, [->, _premise, _conclusion]])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _772858)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _774716)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _781526)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _784230)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _793622)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _797336)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _799194)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _807662)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _797336)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _813232)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _821700)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _825414)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _827272)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _835740)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _825414)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _845958)
   Call: (197) [system] peek_char((0x56051b6b4f40), _846892)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_850684, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _855254)
   Call: (198) [system] peek_char((0x56051b6b4f40), _856188)
   Exit: (198) [system] peek_char((0x56051b6b4f40), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_859980, v('(', ')', end_of_file), b)
   Call: (198) [system] ')'==b
   Call: (198) [system] get_char((0x56051b6b4f40), b)
   Exit: (198) [system] get_char((0x56051b6b4f40), b)
   Call: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _864550)
   Call: (199) [system] peek_char((0x56051b6b4f40), _865484)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_869276, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _864550=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _855254=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (197) [system] _845958=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (196) [user] classify_and_convert_charseq($, [r, b], _825414)
   Call: (197) [system] atom_chars(_881300, ['_', r, b])
   Exit: (197) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _885964)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _887822)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _896290)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _900080)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _885964=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _797336=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [_rb])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _908374)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _910232)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _918700)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _922490)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _908374=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _772858=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[_rb]])
   Call: (191) [system] _60758=[[:, _ructor, [->, _premise, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _933578)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _935436)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x56051b6b4f40), _943052)
   Exit: (191) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _945756)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _952566)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _955270)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _962080)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _964784)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _971594)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _974298)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _981108)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _983812)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _990622)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _993326)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1000136)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1002840)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1009650)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1012354)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1019164)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1021868)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1028678)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1031382)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1038192)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1040896)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1059528)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1063242)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1065100)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _1073568)
   Exit: (191) [system] get_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1063242)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1079138)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1087606)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1091320)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1093178)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1101646)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1091320)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1107216)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1115684)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1119398)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1121256)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1129724)
   Exit: (195) [system] get_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, _1119398)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1139942)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1140876)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1139942=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _1119398)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1150186, _1150188), once(user:catch(read_from_chars([:], _1119398), _1150162, fail)), '$restore_trace'(_1150186, _1150188))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1150186, _1150188))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1150162, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1157686)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1159544)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1166354)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1169058)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1178450)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1182164)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1184022)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1192490)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1182164)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1198060)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1206528)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1210242)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1212100)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1220568)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _1210242)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1230786)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1231720)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1235512, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1240082)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1241016)
   Exit: (201) [system] peek_char((0x56051b6b4f40), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1244808, v('(', ')', end_of_file), u)
   Call: (201) [system] ')'==u
   Call: (201) [system] get_char((0x56051b6b4f40), u)
   Exit: (201) [system] get_char((0x56051b6b4f40), u)
   Call: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1249378)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1250312)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1254104, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1258674)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1259608)
   Exit: (203) [system] peek_char((0x56051b6b4f40), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1263400, v('(', ')', end_of_file), t)
   Call: (203) [system] ')'==t
   Call: (203) [system] get_char((0x56051b6b4f40), t)
   Exit: (203) [system] get_char((0x56051b6b4f40), t)
   Call: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1267970)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1268904)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1272696, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1277266)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1278200)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1281992, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1286562)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1287496)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1286562=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1277266=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
   Call: (204) [system] _1267970=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, r])
   Call: (203) [system] _1258674=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, r])
   Call: (202) [system] _1249378=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, o, r])
   Call: (201) [system] _1240082=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, o, r])
   Call: (200) [system] _1230786=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _1210242)
   Call: (200) [system] atom_chars(_1313544, ['_', r, u, c, t, o, r])
   Exit: (200) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _ructor)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1318208)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1320066)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1326876)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1329580)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1338972)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1342686)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1344544)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1353012)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1342686)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1363230)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1364164)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1367956, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1372526)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1373460)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1377252, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1381822)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1382756)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1386548, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1391118)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1392052)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1395844, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1400414)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1401348)
   Exit: (205) [system] peek_char((0x56051b6b4f40), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1405140, v('(', ')', end_of_file), f)
   Call: (205) [system] ')'==f
   Call: (205) [system] get_char((0x56051b6b4f40), f)
   Exit: (205) [system] get_char((0x56051b6b4f40), f)
   Call: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1409710)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1410644)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1414436, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1409710=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1400414=[f]
   Exit: (205) [system] [f]=[f]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f])
   Call: (204) [system] _1391118=[o, f]
   Exit: (204) [system] [o, f]=[o, f]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f])
   Call: (203) [system] _1381822=[o, o, f]
   Exit: (203) [system] [o, o, f]=[o, o, f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f])
   Call: (202) [system] _1372526=[r, o, o, f]
   Exit: (202) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f])
   Call: (201) [system] _1363230=[p, r, o, o, f]
   Exit: (201) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f], _1342686)
   Call: (201) [system] atom_chars(_1434842, ['_', p, r, o, o, f])
   Exit: (201) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f], _proof)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _proof)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1439506)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1441364)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1449832)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x56051b6b4f40), _1453622)
   Exit: (199) [system] get_char((0x56051b6b4f40), ')')
   Call: (199) [system] _1439506=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1318208=[_proof]
   Exit: (198) [system] [_proof]=[_proof]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_proof])
   Call: (197) [system] _1182164=[_ructor, _proof]
   Exit: (197) [system] [_ructor, _proof]=[_ructor, _proof]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_ructor, _proof])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [_ructor, _proof])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1464710)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1466568)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1473378)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1476082)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1485474)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1489188)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1491046)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1499514)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _1489188)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1509732)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1510666)
   Exit: (199) [system] peek_char((0x56051b6b4f40), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1514458, v('(', ')', end_of_file), c)
   Call: (199) [system] ')'==c
   Call: (199) [system] get_char((0x56051b6b4f40), c)
   Exit: (199) [system] get_char((0x56051b6b4f40), c)
   Call: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1519028)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1519962)
   Exit: (200) [system] peek_char((0x56051b6b4f40), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1523754, v('(', ')', end_of_file), o)
   Call: (200) [system] ')'==o
   Call: (200) [system] get_char((0x56051b6b4f40), o)
   Exit: (200) [system] get_char((0x56051b6b4f40), o)
   Call: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1528324)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1529258)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1533050, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1537620)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1538554)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1542346, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1546916)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1547850)
   Exit: (203) [system] peek_char((0x56051b6b4f40), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1551642, v('(', ')', end_of_file), l)
   Call: (203) [system] ')'==l
   Call: (203) [system] get_char((0x56051b6b4f40), l)
   Exit: (203) [system] get_char((0x56051b6b4f40), l)
   Call: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1556212)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1557146)
   Exit: (204) [system] peek_char((0x56051b6b4f40), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1560938, v('(', ')', end_of_file), u)
   Call: (204) [system] ')'==u
   Call: (204) [system] get_char((0x56051b6b4f40), u)
   Exit: (204) [system] get_char((0x56051b6b4f40), u)
   Call: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1565508)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1566442)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1570234, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1574804)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1575738)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1579530, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1584100)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1585034)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1588826, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1593396)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1594330)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1598122, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1602692)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1603626)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1607418, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1602692=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1593396=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (207) [system] _1584100=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (206) [system] _1574804=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (205) [system] _1565508=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, o, n])
   Call: (204) [system] _1556212=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, i, o, n])
   Call: (203) [system] _1546916=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, u, s, i, o, n])
   Call: (202) [system] _1537620=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, l, u, s, i, o, n])
   Call: (201) [system] _1528324=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1519028=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1509732=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _1489188)
   Call: (199) [system] atom_chars(_1641794, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (199) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _conclusion)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1646458)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1648316)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1656784)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _1660574)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _1646458=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1464710=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_conclusion])
   Call: (195) [system] _1157686=[[_ructor, _proof], _conclusion]
   Exit: (195) [system] [[_ructor, _proof], _conclusion]=[[_ructor, _proof], _conclusion]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[_ructor, _proof], _conclusion])
   Call: (194) [system] _1091320=[:, [_ructor, _proof], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof], _conclusion]=[:, [_ructor, _proof], _conclusion]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [:, [_ructor, _proof], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [:, [_ructor, _proof], _conclusion])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1674456)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1676314)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1683124)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1685828)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1695220)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1698934)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1700792)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1709260)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _1698934)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1719478)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1720412)
   Exit: (196) [system] peek_char((0x56051b6b4f40), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1724204, v('(', ')', end_of_file), q)
   Call: (196) [system] ')'==q
   Call: (196) [system] get_char((0x56051b6b4f40), q)
   Exit: (196) [system] get_char((0x56051b6b4f40), q)
   Call: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1728774)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1729708)
   Exit: (197) [system] peek_char((0x56051b6b4f40), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_1733500, v('(', ')', end_of_file), u)
   Call: (197) [system] ')'==u
   Call: (197) [system] get_char((0x56051b6b4f40), u)
   Exit: (197) [system] get_char((0x56051b6b4f40), u)
   Call: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1738070)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1739004)
   Exit: (198) [system] peek_char((0x56051b6b4f40), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1742796, v('(', ')', end_of_file), e)
   Call: (198) [system] ')'==e
   Call: (198) [system] get_char((0x56051b6b4f40), e)
   Exit: (198) [system] get_char((0x56051b6b4f40), e)
   Call: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1747366)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1748300)
   Exit: (199) [system] peek_char((0x56051b6b4f40), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1752092, v('(', ')', end_of_file), r)
   Call: (199) [system] ')'==r
   Call: (199) [system] get_char((0x56051b6b4f40), r)
   Exit: (199) [system] get_char((0x56051b6b4f40), r)
   Call: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1756662)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1757596)
   Exit: (200) [system] peek_char((0x56051b6b4f40), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_1761388, v('(', ')', end_of_file), y)
   Call: (200) [system] ')'==y
   Call: (200) [system] get_char((0x56051b6b4f40), y)
   Exit: (200) [system] get_char((0x56051b6b4f40), y)
   Call: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1765958)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1766892)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1770684, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1765958=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1756662=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (199) [system] _1747366=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (198) [system] _1738070=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (197) [system] _1728774=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (196) [system] _1719478=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1698934)
   Call: (196) [system] atom_chars(_1791090, ['_', q, u, e, r, y])
   Exit: (196) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1795754)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1797612)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1806080)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _1809870)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _1795754=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1674456=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (192) [system] _1063242=[[:, [_ructor, _proof], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof], _conclusion], _query]=[[:, [_ructor, _proof], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[:, [_ructor, _proof], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, [_ructor, _proof], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _1820958)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1822816)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x56051b6b4f40), _1830432)
   Exit: (192) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1833136)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1839946)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1842650)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1849460)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1852164)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1858974)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1861678)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1868488)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1871192)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1878002)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1880706)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1887516)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1890220)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1897030)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1899734)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1906544)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1909248)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1916058)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1918762)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1925572)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1928276)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1946908)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1950622)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1952480)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1960948)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1950622)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1966518)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1974986)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1978700)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1980558)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1989026)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1978700)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1994596)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _2003064)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _2006778)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2008636)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _2017104)
   Exit: (196) [system] get_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, _2006778)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2027322)
   Call: (198) [system] peek_char((0x56051b6b4f40), _2028256)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _2027322=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _2006778)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_2037566, _2037568), once(user:catch(read_from_chars([:], _2006778), _2037542, fail)), '$restore_trace'(_2037566, _2037568))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_2037566, _2037568))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2037542, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _2045066)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2046924)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _2053734)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _2056438)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _2065830)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _2069544)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _2071402)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _2079870)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _2069544)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2090088)
   Call: (199) [system] peek_char((0x56051b6b4f40), _2091022)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_2094814, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _6210)
   Call: (200) [system] peek_char((0x56051b6b4f40), _7144)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_10936, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _15506)
   Call: (201) [system] peek_char((0x56051b6b4f40), _16440)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_20232, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _24802)
   Call: (202) [system] peek_char((0x56051b6b4f40), _25736)
   Exit: (202) [system] peek_char((0x56051b6b4f40), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_29528, v('(', ')', end_of_file), o)
   Call: (202) [system] ')'==o
   Call: (202) [system] get_char((0x56051b6b4f40), o)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _34098)
   Call: (203) [system] peek_char((0x56051b6b4f40), _35032)
   Exit: (203) [system] peek_char((0x56051b6b4f40), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_38824, v('(', ')', end_of_file), f)
   Call: (203) [system] ')'==f
   Call: (203) [system] get_char((0x56051b6b4f40), f)
   Exit: (203) [system] get_char((0x56051b6b4f40), f)
   Call: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _43394)
   Call: (204) [system] peek_char((0x56051b6b4f40), _44328)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _43394=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _34098=[f]
   Exit: (203) [system] [f]=[f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f])
   Call: (202) [system] _24802=[o, f]
   Exit: (202) [system] [o, f]=[o, f]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f])
   Call: (201) [system] _15506=[o, o, f]
   Exit: (201) [system] [o, o, f]=[o, o, f]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f])
   Call: (200) [system] _6210=[r, o, o, f]
   Exit: (200) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f])
   Call: (199) [system] _3604=[p, r, o, o, f]
   Exit: (199) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f])
^  Call: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f], _3600)
   Call: (199) [system] atom_chars(_67582, ['_', p, r, o, o, f])
   Exit: (199) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f], _proof)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _proof)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _72246)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _74104)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _80914)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _83618)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _93010)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _96724)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _98582)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _107050)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _96724)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _117268)
   Call: (200) [system] peek_char((0x56051b6b4f40), _118202)
   Exit: (200) [system] peek_char((0x56051b6b4f40), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_121994, v('(', ')', end_of_file), p)
   Call: (200) [system] ')'==p
   Call: (200) [system] get_char((0x56051b6b4f40), p)
   Exit: (200) [system] get_char((0x56051b6b4f40), p)
   Call: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _126564)
   Call: (201) [system] peek_char((0x56051b6b4f40), _127498)
   Exit: (201) [system] peek_char((0x56051b6b4f40), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_131290, v('(', ')', end_of_file), r)
   Call: (201) [system] ')'==r
   Call: (201) [system] get_char((0x56051b6b4f40), r)
   Exit: (201) [system] get_char((0x56051b6b4f40), r)
   Call: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _135860)
   Call: (202) [system] peek_char((0x56051b6b4f40), _136794)
   Exit: (202) [system] peek_char((0x56051b6b4f40), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_140586, v('(', ')', end_of_file), e)
   Call: (202) [system] ')'==e
   Call: (202) [system] get_char((0x56051b6b4f40), e)
   Exit: (202) [system] get_char((0x56051b6b4f40), e)
   Call: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _145156)
   Call: (203) [system] peek_char((0x56051b6b4f40), _146090)
   Exit: (203) [system] peek_char((0x56051b6b4f40), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_149882, v('(', ')', end_of_file), m)
   Call: (203) [system] ')'==m
   Call: (203) [system] get_char((0x56051b6b4f40), m)
   Exit: (203) [system] get_char((0x56051b6b4f40), m)
   Call: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _154452)
   Call: (204) [system] peek_char((0x56051b6b4f40), _155386)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_159178, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _163748)
   Call: (205) [system] peek_char((0x56051b6b4f40), _164682)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_168474, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _173044)
   Call: (206) [system] peek_char((0x56051b6b4f40), _173978)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_177770, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _182340)
   Call: (207) [system] peek_char((0x56051b6b4f40), _183274)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_187066, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _182340=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _173044=[e]
   Exit: (206) [system] [e]=[e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (205) [system] _163748=[s, e]
   Exit: (205) [system] [s, e]=[s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e])
   Call: (204) [system] _154452=[i, s, e]
   Exit: (204) [system] [i, s, e]=[i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e])
   Call: (203) [system] _145156=[m, i, s, e]
   Exit: (203) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e])
   Call: (202) [system] _135860=[e, m, i, s, e]
   Exit: (202) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e])
   Call: (201) [system] _126564=[r, e, m, i, s, e]
   Exit: (201) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e])
   Call: (200) [system] _117268=[p, r, e, m, i, s, e]
   Exit: (200) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _96724)
   Call: (200) [system] atom_chars(_213060, ['_', p, r, e, m, i, s, e])
   Exit: (200) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _premise)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _premise)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _217724)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _219582)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _228050)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _231840)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _217724=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _72246=[_premise]
   Exit: (197) [system] [_premise]=[_premise]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_premise])
   Call: (196) [system] _3596=[_proof, _premise]
   Exit: (196) [system] [_proof, _premise]=[_proof, _premise]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_proof, _premise])
   Call: (195) [system] _3588=[:, _proof, _premise]
   Exit: (195) [system] [:, _proof, _premise]=[:, _proof, _premise]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [:, _proof, _premise])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof, _premise])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _245722)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _247580)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _254390)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _257094)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _266486)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _270200)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _272058)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _280526)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _270200)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _286096)
   Exit: (197) [system] peek_char((0x56051b6b4f40), s)
   Call: (197) [system] s=(;)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _294564)
   Exit: (196) [system] peek_char((0x56051b6b4f40), s)
   Call: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _298278)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _300136)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _308604)
   Exit: (197) [system] get_char((0x56051b6b4f40), s)
   Call: (197) [system] s='('
   Call: (197) [system] s='['
   Call: (197) [system] s='{'
   Call: (197) [system] s='"'
   Call: (197) [system] s=!
   Call: (197) [system] s='\''
   Call: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), s, _298278)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _318822)
   Call: (199) [system] peek_char((0x56051b6b4f40), _319756)
   Exit: (199) [system] peek_char((0x56051b6b4f40), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_323548, v('(', ')', end_of_file), y)
   Call: (199) [system] ')'==y
   Call: (199) [system] get_char((0x56051b6b4f40), y)
   Exit: (199) [system] get_char((0x56051b6b4f40), y)
   Call: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _328118)
   Call: (200) [system] peek_char((0x56051b6b4f40), _329052)
   Exit: (200) [system] peek_char((0x56051b6b4f40), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_332844, v('(', ')', end_of_file), n)
   Call: (200) [system] ')'==n
   Call: (200) [system] get_char((0x56051b6b4f40), n)
   Exit: (200) [system] get_char((0x56051b6b4f40), n)
   Call: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _337414)
   Call: (201) [system] peek_char((0x56051b6b4f40), _338348)
   Exit: (201) [system] peek_char((0x56051b6b4f40), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_342140, v('(', ')', end_of_file), t)
   Call: (201) [system] ')'==t
   Call: (201) [system] get_char((0x56051b6b4f40), t)
   Exit: (201) [system] get_char((0x56051b6b4f40), t)
   Call: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _346710)
   Call: (202) [system] peek_char((0x56051b6b4f40), _347644)
   Exit: (202) [system] peek_char((0x56051b6b4f40), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_351436, v('(', ')', end_of_file), h)
   Call: (202) [system] ')'==h
   Call: (202) [system] get_char((0x56051b6b4f40), h)
   Exit: (202) [system] get_char((0x56051b6b4f40), h)
   Call: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _356006)
   Call: (203) [system] peek_char((0x56051b6b4f40), _356940)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_360732, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _365302)
   Call: (204) [system] peek_char((0x56051b6b4f40), _366236)
   Exit: (204) [system] peek_char((0x56051b6b4f40), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_370028, v('(', ')', end_of_file), s)
   Call: (204) [system] ')'==s
   Call: (204) [system] get_char((0x56051b6b4f40), s)
   Exit: (204) [system] get_char((0x56051b6b4f40), s)
   Call: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _374598)
   Call: (205) [system] peek_char((0x56051b6b4f40), _375532)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_379324, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _383894)
   Call: (206) [system] peek_char((0x56051b6b4f40), _384828)
   Exit: (206) [system] peek_char((0x56051b6b4f40), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_388620, v('(', ')', end_of_file), z)
   Call: (206) [system] ')'==z
   Call: (206) [system] get_char((0x56051b6b4f40), z)
   Exit: (206) [system] get_char((0x56051b6b4f40), z)
   Call: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _393190)
   Call: (207) [system] peek_char((0x56051b6b4f40), _394124)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_397916, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _402486)
   Call: (208) [system] peek_char((0x56051b6b4f40), _403420)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _402486=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _393190=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (206) [system] _383894=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (205) [system] _374598=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (204) [system] _365302=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (203) [system] _356006=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (202) [system] _346710=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (201) [system] _337414=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (200) [system] _328118=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _318822=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _298278)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_437876, _437878), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _298278), _437852, fail)), '$restore_trace'(_437876, _437878))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_437876, _437878))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _437852, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(synthesize)
   Exit: (199) [system] atomic(synthesize)
^  Exit: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _445376)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _447234)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _454044)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _456748)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _466140)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _469854)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _471712)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _480180)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _469854)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _485750)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _494218)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _497932)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _499790)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _508258)
   Exit: (200) [system] get_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, _497932)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _518476)
   Call: (202) [system] peek_char((0x56051b6b4f40), _519410)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _518476=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _497932)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_528720, _528722), once(user:catch(read_from_chars([:], _497932), _528696, fail)), '$restore_trace'(_528720, _528722))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_528720, _528722))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _528696, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _536220)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _538078)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _544888)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _547592)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _556984)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _560698)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _562556)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _571024)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _560698)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _581242)
   Call: (203) [system] peek_char((0x56051b6b4f40), _582176)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_585968, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _590538)
   Call: (204) [system] peek_char((0x56051b6b4f40), _591472)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_595264, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _599834)
   Call: (205) [system] peek_char((0x56051b6b4f40), _600768)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_604560, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _609130)
   Call: (206) [system] peek_char((0x56051b6b4f40), _610064)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_613856, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _618426)
   Call: (207) [system] peek_char((0x56051b6b4f40), _619360)
   Exit: (207) [system] peek_char((0x56051b6b4f40), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_623152, v('(', ')', end_of_file), f)
   Call: (207) [system] ')'==f
   Call: (207) [system] get_char((0x56051b6b4f40), f)
   Exit: (207) [system] get_char((0x56051b6b4f40), f)
   Call: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _627722)
   Call: (208) [system] peek_char((0x56051b6b4f40), _628656)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _627722=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _618426=[f]
   Exit: (207) [system] [f]=[f]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f])
   Call: (206) [system] _609130=[o, f]
   Exit: (206) [system] [o, f]=[o, f]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f])
   Call: (205) [system] _599834=[o, o, f]
   Exit: (205) [system] [o, o, f]=[o, o, f]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f])
   Call: (204) [system] _590538=[r, o, o, f]
   Exit: (204) [system] [r, o, o, f]=[r, o, o, f]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f])
   Call: (203) [system] _581242=[p, r, o, o, f]
   Exit: (203) [system] [p, r, o, o, f]=[p, r, o, o, f]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f], _560698)
   Call: (203) [system] atom_chars(_651910, ['_', p, r, o, o, f])
   Exit: (203) [system] atom_chars('_proof', ['_', p, r, o, o, f])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f], _proof)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _proof)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _656574)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _658432)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _665242)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _667946)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _677338)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _681052)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _682910)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _691378)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _681052)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _701596)
   Call: (204) [system] peek_char((0x56051b6b4f40), _702530)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_706322, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _710892)
   Call: (205) [system] peek_char((0x56051b6b4f40), _711826)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_715618, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _720188)
   Call: (206) [system] peek_char((0x56051b6b4f40), _721122)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_724914, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _729484)
   Call: (207) [system] peek_char((0x56051b6b4f40), _730418)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_734210, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _738780)
   Call: (208) [system] peek_char((0x56051b6b4f40), _739714)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_743506, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _748076)
   Call: (209) [system] peek_char((0x56051b6b4f40), _749010)
   Exit: (209) [system] peek_char((0x56051b6b4f40), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_752802, v('(', ')', end_of_file), s)
   Call: (209) [system] ')'==s
   Call: (209) [system] get_char((0x56051b6b4f40), s)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _757372)
   Call: (210) [system] peek_char((0x56051b6b4f40), _758306)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_762098, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _766668)
   Call: (211) [system] peek_char((0x56051b6b4f40), _767602)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_771394, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _766668=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _757372=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (209) [system] _748076=[s, e]
   Exit: (209) [system] [s, e]=[s, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e])
   Call: (208) [system] _738780=[i, s, e]
   Exit: (208) [system] [i, s, e]=[i, s, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e])
   Call: (207) [system] _729484=[m, i, s, e]
   Exit: (207) [system] [m, i, s, e]=[m, i, s, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e])
   Call: (206) [system] _720188=[e, m, i, s, e]
   Exit: (206) [system] [e, m, i, s, e]=[e, m, i, s, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e])
   Call: (205) [system] _710892=[r, e, m, i, s, e]
   Exit: (205) [system] [r, e, m, i, s, e]=[r, e, m, i, s, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e])
   Call: (204) [system] _701596=[p, r, e, m, i, s, e]
   Exit: (204) [system] [p, r, e, m, i, s, e]=[p, r, e, m, i, s, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _681052)
   Call: (204) [system] atom_chars(_797388, ['_', p, r, e, m, i, s, e])
   Exit: (204) [system] atom_chars('_premise', ['_', p, r, e, m, i, s, e])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e], _premise)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _premise)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _802052)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _803910)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _812378)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _816168)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _802052=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _656574=[_premise]
   Exit: (201) [system] [_premise]=[_premise]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_premise])
   Call: (200) [system] _536220=[_proof, _premise]
   Exit: (200) [system] [_proof, _premise]=[_proof, _premise]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_proof, _premise])
   Call: (199) [system] _469854=[:, _proof, _premise]
   Exit: (199) [system] [:, _proof, _premise]=[:, _proof, _premise]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [:, _proof, _premise])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof, _premise])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _830050)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _831908)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _838718)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _841422)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _850814)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _854528)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _856386)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _864854)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _854528)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _875072)
   Call: (201) [system] peek_char((0x56051b6b4f40), _876006)
   Exit: (201) [system] peek_char((0x56051b6b4f40), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_879798, v('(', ')', end_of_file), k)
   Call: (201) [system] ')'==k
   Call: (201) [system] get_char((0x56051b6b4f40), k)
   Exit: (201) [system] get_char((0x56051b6b4f40), k)
   Call: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _884368)
   Call: (202) [system] peek_char((0x56051b6b4f40), _885302)
   Exit: (202) [system] peek_char((0x56051b6b4f40), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_889094, v('(', ')', end_of_file), b)
   Call: (202) [system] ')'==b
   Call: (202) [system] get_char((0x56051b6b4f40), b)
   Exit: (202) [system] get_char((0x56051b6b4f40), b)
   Call: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _893664)
   Call: (203) [system] peek_char((0x56051b6b4f40), _894598)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _893664=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _884368=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (201) [system] _875072=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (200) [user] classify_and_convert_charseq($, [k, b], _854528)
   Call: (201) [system] atom_chars(_909470, ['_', k, b])
   Exit: (201) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (200) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _914134)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _915992)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _922802)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _925506)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _934898)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _938612)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _940470)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _948938)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _938612)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _959156)
   Call: (202) [system] peek_char((0x56051b6b4f40), _960090)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_963882, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _968452)
   Call: (203) [system] peek_char((0x56051b6b4f40), _969386)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_973178, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _977748)
   Call: (204) [system] peek_char((0x56051b6b4f40), _978682)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _977748=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _968452=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (202) [system] _959156=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (201) [user] classify_and_convert_charseq($, [r, b], _938612)
   Call: (202) [system] atom_chars(_993554, ['_', r, b])
   Exit: (202) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _998218)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1000076)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1006886)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1009590)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1018982)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1022696)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1024554)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1033022)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1022696)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1043240)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1044174)
   Exit: (203) [system] peek_char((0x56051b6b4f40), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1047966, v('(', ')', end_of_file), k)
   Call: (203) [system] ')'==k
   Call: (203) [system] get_char((0x56051b6b4f40), k)
   Exit: (203) [system] get_char((0x56051b6b4f40), k)
   Call: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1052536)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1053470)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1057262, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1052536=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1043240=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (202) [user] classify_and_convert_charseq($, [k], _1022696)
   Call: (203) [system] atom_chars(_1066492, ['_', k])
   Exit: (203) [system] atom_chars('_k', ['_', k])
^  Exit: (202) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1071156)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1073014)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1081482)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1085272)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1071156=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _998218=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (199) [system] _914134=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (198) [system] _830050=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (197) [system] _445376=[[:, _proof, _premise], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof, _premise], _kb, _rb, _k]=[[:, _proof, _premise], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [[:, _proof, _premise], _kb, _rb, _k])
   Call: (196) [system] _270200=[synthesize, [:, _proof, _premise], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof, _premise], _kb, _rb, _k]=[synthesize, [:, _proof, _premise], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1104742)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1106600)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1115068)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _1118858)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _1104742=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _245722=[[synthesize, [:, _proof, _premise], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof, _premise], _kb, _rb, _k]]=[[synthesize, [:, _proof, _premise], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Call: (193) [system] _3582=[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]=[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1129946)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1131804)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=(;)
^  Call: (193) [user] is_like_space(')')
   Call: (194) [system] char_type(')', 'white')
   Call: (194) [system] char_type(')', end_of_line)
   Call: (194) [system] char_type(')', space)
   Call: (194) [system] char_type(')', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1140272)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ')')
   Call: (192) [system] ')'=')'
   Exit: (192) [system] ')'=')'
   Call: (192) [system] get_char((0x56051b6b4f40), _1144062)
   Exit: (192) [system] get_char((0x56051b6b4f40), ')')
   Call: (192) [system] _1129946=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (191) [system] _3578=[[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (190) [system] _3514=[[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1157944)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1159802)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (189) [system] '\n'=(;)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x56051b6b4f40), _1167418)
   Exit: (189) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1170122)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _1176932)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1179636)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _1186446)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1189150)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1195960)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1198664)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1205474)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1208178)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1214988)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1217692)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1231704)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _1235418)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1237276)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _1245744)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _1235418)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1255962)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1256896)
   Exit: (191) [system] peek_char((0x56051b6b4f40), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_1260688, v('(', ')', end_of_file), q)
   Call: (191) [system] ')'==q
   Call: (191) [system] get_char((0x56051b6b4f40), q)
   Exit: (191) [system] get_char((0x56051b6b4f40), q)
   Call: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1265258)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1266192)
   Exit: (192) [system] peek_char((0x56051b6b4f40), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_1269984, v('(', ')', end_of_file), u)
   Call: (192) [system] ')'==u
   Call: (192) [system] get_char((0x56051b6b4f40), u)
   Exit: (192) [system] get_char((0x56051b6b4f40), u)
   Call: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1274554)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1275488)
   Exit: (193) [system] peek_char((0x56051b6b4f40), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1279280, v('(', ')', end_of_file), e)
   Call: (193) [system] ')'==e
   Call: (193) [system] get_char((0x56051b6b4f40), e)
   Exit: (193) [system] get_char((0x56051b6b4f40), e)
   Call: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1283850)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1284784)
   Exit: (194) [system] peek_char((0x56051b6b4f40), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_1288576, v('(', ')', end_of_file), r)
   Call: (194) [system] ')'==r
   Call: (194) [system] get_char((0x56051b6b4f40), r)
   Exit: (194) [system] get_char((0x56051b6b4f40), r)
   Call: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1293146)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1294080)
   Exit: (195) [system] peek_char((0x56051b6b4f40), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1297872, v('(', ')', end_of_file), y)
   Call: (195) [system] ')'==y
   Call: (195) [system] get_char((0x56051b6b4f40), y)
   Exit: (195) [system] get_char((0x56051b6b4f40), y)
   Call: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1302442)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1303376)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1307168, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1302442=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1293146=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (194) [system] _1283850=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (193) [system] _1274554=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (192) [system] _1265258=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (191) [system] _1255962=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1235418)
   Call: (191) [system] atom_chars(_1327574, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1332238)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1334096)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1342564)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1346354)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1332238=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _1157944=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1360236)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1362094)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1370562)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1374352)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1360236=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (179) [user] assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 53, 0, 1693, '$stream_position'(1693, 53, 0, 1693)), read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1392870, _1392872, _1392874, _1392876, _1392878))
^  Exit: (177) [user] retract(metta_file_comment(39, 0, 1202, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$stream_position'(1202, 39, 0, 1202)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1395712))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1395712)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1395712)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1398528))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1398528))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1398528)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1401328))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1401328)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1401328)
   Call: (187) [system] var('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==[_1407848, _1407854]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1412482, _1412484)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t to non-deterministically pick up a", 39, 0], _1416224)
   Call: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up a", 39, 0], _1416224, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up a", _1418104)
   Call: (190) [system] var(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] atom(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==true
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==false
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"==[_1422746, _1422752]
   Call: (190) [system] is_list(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] string(";;\t\t to non-deterministically pick up a")
   Exit: (190) [system] string(";;\t\t to non-deterministically pick up a")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t to non-deterministically pick up a")
^  Call: (190) [user] symbol(";;\t\t to non-deterministically pick up a")
   Call: (191) [system] atom(";;\t\t to non-deterministically pick up a")
   Fail: (191) [system] atom(";;\t\t to non-deterministically pick up a")
^  Fail: (190) [user] symbol(";;\t\t to non-deterministically pick up a")
   Call: (190) [system] ";;\t\t to non-deterministically pick up a"=_1418104
   Exit: (190) [system] ";;\t\t to non-deterministically pick up a"=";;\t\t to non-deterministically pick up a"
^  Exit: (189) [user] mfix_vars1(";;\t\t to non-deterministically pick up a", ";;\t\t to non-deterministically pick up a")
   Call: (189) [apply] apply:maplist_([39, 0], _1418106, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(39, _1436626)
   Call: (191) [system] var(39)
   Call: (191) [system] atom(39)
   Call: (191) [system] 39==true
   Call: (191) [system] 39==false
   Call: (191) [system] 39==[_1441268, _1441274]
   Call: (191) [system] is_list(39)
   Call: (191) [system] string(39)
   Call: (191) [system] compound(39)
^  Call: (191) [user] symbol(39)
   Call: (192) [system] atom(39)
   Fail: (192) [system] atom(39)
^  Fail: (191) [user] symbol(39)
   Call: (191) [system] 39=_1436626
   Exit: (191) [system] 39=39
^  Exit: (190) [user] mfix_vars1(39, 39)
   Call: (190) [apply] apply:maplist_([0], _1436628, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1452392)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1457034, _1457040]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1452392
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1452394, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([39, 0], [39, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t to non-deterministically pick up a", 39, 0], [";;\t\t to non-deterministically pick up a", 39, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t to non-deterministically pick up a", 39, 0], [";;\t\t to non-deterministically pick up a", 39, 0])
   Call: (187) [system] compound_name_arguments(_1401328, '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT', [";;\t\t to non-deterministically pick up a", 39, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1481210))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1481210))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1481210)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1484010))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1484010)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1484010)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1395712))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1395712))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1395712)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1497968))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1497968)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), _1497968)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)\=@='$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), nthesize_long_1726792630_1772065, 52)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792632.723212)
   Call: (173) [system] arg(1, t(1726792630.1734605), _3148)
   Exit: (173) [system] arg(1, t(1726792630.1734605), 1726792630.1734605)
   Call: (173) [system] _3158 is 1726792632.723212-1726792630.1734605
   Exit: (173) [system] 2.5497515201568604 is 1726792632.723212-1726792630.1734605
   Call: (173) [system] 2.5497515201568604>4
   Fail: (173) [system] 2.5497515201568604>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 5)
   Call: (175) [system] atom(5+1)
   Call: (175) [system] set_flag(translated_forms, 6)
   Exit: (175) [system] set_flag(translated_forms, 6)
   Exit: (174) [$syspreds] update_flag(translated_forms, 5, 5+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 5, 5+1))
   Exit: (171) [$syspreds] flag(translated_forms, 5, 5+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), nthesize_long_1726792630_1772065, 52)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;\t\t to non-deterministically pick up a"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;\t\t to non-deterministically pick up a"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), nthesize_long_1726792630_1772065, 52)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0)), 52]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 5, 5+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t to non-deterministically pick up a", 39, 0), nthesize_long_1726792630_1772065, 52)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 58)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 58))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 58))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1572752)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1580174)
   Exit: (175) [system] peek_char((0x56051b6b4f40), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1588512)
   Exit: (177) [system] peek_char((0x56051b6b4f40), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1591298=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _1593166, _1593168, _1593170, _1593172), read_sexpr((0x56051b6b4f40), _1593184), assertz(metta_file_comment(_1593166, _1593168, _1593170, _1593184, _1593172))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _1593166, _1593168, _1593170, _1593172)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_1593172))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_1593172))
   Exit: (181) [system] nonvar(position(_1593172))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1944, 59, 0, 1944)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), _1593166)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1603424)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), _1593166)
   Exit: (181) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), 59)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), 59)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), _1593168)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1610858)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), _1593168)
   Exit: (181) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), _1593170)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1618292)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), _1593170)
   Exit: (181) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), 1944)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), 1944)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _1593184)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1593184)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1627594)
   Exit: (182) [system] peek_char((0x56051b6b4f40), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (183) [user] read_position((0x56051b6b4f40), _1632232, _1632234, _1632236, _1632238)
   Call: (184) [system] stream_property((0x56051b6b4f40), position(_1632238))
   Call: (185) [system] nonvar((0x56051b6b4f40))
   Exit: (185) [system] nonvar((0x56051b6b4f40))
   Call: (185) [system] nonvar(position(_1632238))
   Exit: (185) [system] nonvar(position(_1632238))
   Exit: (184) [system] stream_property((0x56051b6b4f40), position('$stream_position'(1944, 59, 0, 1944)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), _1632232)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1641526)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), _1632232)
   Exit: (185) [system] arg(2, '$stream_position'(1944, 59, 0, 1944), 59)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(1944, 59, 0, 1944), 59)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), _1632234)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1648960)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), _1632234)
   Exit: (185) [system] arg(3, '$stream_position'(1944, 59, 0, 1944), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(1944, 59, 0, 1944), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), _1632236)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1656394)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), _1632236)
   Exit: (185) [system] arg(1, '$stream_position'(1944, 59, 0, 1944), 1944)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(1944, 59, 0, 1944), 1944)
^  Exit: (183) [user] read_position((0x56051b6b4f40), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944))
^  Call: (183) [user] read_until_eol((0x56051b6b4f40), _1661988)
   Call: (184) [system] get_char((0x56051b6b4f40), _1662918)
   Exit: (184) [system] get_char((0x56051b6b4f40), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _1666632)
   Call: (185) [system] get_char((0x56051b6b4f40), _1667562)
   Exit: (185) [system] get_char((0x56051b6b4f40), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1671276)
   Call: (186) [system] get_char((0x56051b6b4f40), _1672206)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1675920)
   Call: (187) [system] get_char((0x56051b6b4f40), _1676850)
   Exit: (187) [system] get_char((0x56051b6b4f40), 'B')
   Call: (187) [system] char_type('B', end_of_line)
   Call: (187) [system] 'B'=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1680564)
   Call: (188) [system] get_char((0x56051b6b4f40), _1681494)
   Exit: (188) [system] get_char((0x56051b6b4f40), i)
   Call: (188) [system] char_type(i, end_of_line)
   Call: (188) [system] i=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1685208)
   Call: (189) [system] get_char((0x56051b6b4f40), _1686138)
   Exit: (189) [system] get_char((0x56051b6b4f40), n)
   Call: (189) [system] char_type(n, end_of_line)
   Call: (189) [system] n=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1689852)
   Call: (190) [system] get_char((0x56051b6b4f40), _1690782)
   Exit: (190) [system] get_char((0x56051b6b4f40), a)
   Call: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] a=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1694496)
   Call: (191) [system] get_char((0x56051b6b4f40), _1695426)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] char_type(r, end_of_line)
   Call: (191) [system] r=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1699140)
   Call: (192) [system] get_char((0x56051b6b4f40), _1700070)
   Exit: (192) [system] get_char((0x56051b6b4f40), y)
   Call: (192) [system] char_type(y, end_of_line)
   Call: (192) [system] y=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1703784)
   Call: (193) [system] get_char((0x56051b6b4f40), _1704714)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1708428)
   Call: (194) [system] get_char((0x56051b6b4f40), _1709358)
   Exit: (194) [system] get_char((0x56051b6b4f40), r)
   Call: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] r=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1713072)
   Call: (195) [system] get_char((0x56051b6b4f40), _1714002)
   Exit: (195) [system] get_char((0x56051b6b4f40), u)
   Call: (195) [system] char_type(u, end_of_line)
   Call: (195) [system] u=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1717716)
   Call: (196) [system] get_char((0x56051b6b4f40), _1718646)
   Exit: (196) [system] get_char((0x56051b6b4f40), l)
   Call: (196) [system] char_type(l, end_of_line)
   Call: (196) [system] l=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1722360)
   Call: (197) [system] get_char((0x56051b6b4f40), _1723290)
   Exit: (197) [system] get_char((0x56051b6b4f40), e)
   Call: (197) [system] char_type(e, end_of_line)
   Call: (197) [system] e=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1727004)
   Call: (198) [system] get_char((0x56051b6b4f40), _1727934)
   Exit: (198) [system] get_char((0x56051b6b4f40), '\n')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
   Call: (198) [system] _1727004=""
   Exit: (198) [system] ""=""
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (197) [system] string_concat(e, "", _1722360)
   Exit: (197) [system] string_concat(e, "", "e")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "e")
   Call: (196) [system] string_concat(l, "e", _1717716)
   Exit: (196) [system] string_concat(l, "e", "le")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "le")
   Call: (195) [system] string_concat(u, "le", _1713072)
   Exit: (195) [system] string_concat(u, "le", "ule")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "ule")
   Call: (194) [system] string_concat(r, "ule", _1708428)
   Exit: (194) [system] string_concat(r, "ule", "rule")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "rule")
   Call: (193) [system] string_concat(' ', "rule", _1703784)
   Exit: (193) [system] string_concat(' ', "rule", " rule")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), " rule")
   Call: (192) [system] string_concat(y, " rule", _1699140)
   Exit: (192) [system] string_concat(y, " rule", "y rule")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "y rule")
   Call: (191) [system] string_concat(r, "y rule", _1694496)
   Exit: (191) [system] string_concat(r, "y rule", "ry rule")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "ry rule")
   Call: (190) [system] string_concat(a, "ry rule", _1689852)
   Exit: (190) [system] string_concat(a, "ry rule", "ary rule")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "ary rule")
   Call: (189) [system] string_concat(n, "ary rule", _1685208)
   Exit: (189) [system] string_concat(n, "ary rule", "nary rule")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "nary rule")
   Call: (188) [system] string_concat(i, "nary rule", _1680564)
   Exit: (188) [system] string_concat(i, "nary rule", "inary rule")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "inary rule")
   Call: (187) [system] string_concat('B', "inary rule", _1675920)
   Exit: (187) [system] string_concat('B', "inary rule", "Binary rule")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), "Binary rule")
   Call: (186) [system] string_concat(' ', "Binary rule", _1671276)
   Exit: (186) [system] string_concat(' ', "Binary rule", " Binary rule")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), " Binary rule")
   Call: (185) [system] string_concat(;, " Binary rule", _1666632)
   Exit: (185) [system] string_concat(;, " Binary rule", "; Binary rule")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), "; Binary rule")
   Call: (184) [system] string_concat(;, "; Binary rule", _1661988)
   Exit: (184) [system] string_concat(;, "; Binary rule", ";; Binary rule")
^  Exit: (183) [user] read_until_eol((0x56051b6b4f40), ";; Binary rule")
^  Call: (183) [user] assertz(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (183) [user] assertz(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1777354)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1786746)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1593184)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1792316)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1800784)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1804498)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1806356)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1814824)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _1804498)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1825042)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1825976)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1825042=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1804498)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1835286, _1835288), once(user:catch(read_from_chars([=], _1804498), _1835262, fail)), '$restore_trace'(_1835286, _1835288))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1835286, _1835288))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1835262, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1842786)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1844644)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1851454)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1854158)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1863550)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1867264)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1869122)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1877590)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1867264)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1883160)
   Exit: (186) [system] peek_char((0x56051b6b4f40), s)
   Call: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1891628)
   Exit: (185) [system] peek_char((0x56051b6b4f40), s)
   Call: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1895342)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1897200)
   Exit: (187) [system] peek_char((0x56051b6b4f40), s)
   Call: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1905668)
   Exit: (186) [system] get_char((0x56051b6b4f40), s)
   Call: (186) [system] s='('
   Call: (186) [system] s='['
   Call: (186) [system] s='{'
   Call: (186) [system] s='"'
   Call: (186) [system] s=!
   Call: (186) [system] s='\''
   Call: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, _1895342)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1915886)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1916820)
   Exit: (188) [system] peek_char((0x56051b6b4f40), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1920612, v('(', ')', end_of_file), y)
   Call: (188) [system] ')'==y
   Call: (188) [system] get_char((0x56051b6b4f40), y)
   Exit: (188) [system] get_char((0x56051b6b4f40), y)
   Call: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1925182)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1926116)
   Exit: (189) [system] peek_char((0x56051b6b4f40), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1929908, v('(', ')', end_of_file), n)
   Call: (189) [system] ')'==n
   Call: (189) [system] get_char((0x56051b6b4f40), n)
   Exit: (189) [system] get_char((0x56051b6b4f40), n)
   Call: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1934478)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1935412)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1939204, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1943774)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1944708)
   Exit: (191) [system] peek_char((0x56051b6b4f40), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1948500, v('(', ')', end_of_file), h)
   Call: (191) [system] ')'==h
   Call: (191) [system] get_char((0x56051b6b4f40), h)
   Exit: (191) [system] get_char((0x56051b6b4f40), h)
   Call: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1953070)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1954004)
   Exit: (192) [system] peek_char((0x56051b6b4f40), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1957796, v('(', ')', end_of_file), e)
   Call: (192) [system] ')'==e
   Call: (192) [system] get_char((0x56051b6b4f40), e)
   Exit: (192) [system] get_char((0x56051b6b4f40), e)
   Call: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1962366)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1963300)
   Exit: (193) [system] peek_char((0x56051b6b4f40), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1967092, v('(', ')', end_of_file), s)
   Call: (193) [system] ')'==s
   Call: (193) [system] get_char((0x56051b6b4f40), s)
   Exit: (193) [system] get_char((0x56051b6b4f40), s)
   Call: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1971662)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1972596)
   Exit: (194) [system] peek_char((0x56051b6b4f40), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1976388, v('(', ')', end_of_file), i)
   Call: (194) [system] ')'==i
   Call: (194) [system] get_char((0x56051b6b4f40), i)
   Exit: (194) [system] get_char((0x56051b6b4f40), i)
   Call: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1980958)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1981892)
   Exit: (195) [system] peek_char((0x56051b6b4f40), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1985684, v('(', ')', end_of_file), z)
   Call: (195) [system] ')'==z
   Call: (195) [system] get_char((0x56051b6b4f40), z)
   Exit: (195) [system] get_char((0x56051b6b4f40), z)
   Call: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1990254)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1991188)
   Exit: (196) [system] peek_char((0x56051b6b4f40), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1994980, v('(', ')', end_of_file), e)
   Call: (196) [system] ')'==e
   Call: (196) [system] get_char((0x56051b6b4f40), e)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1999550)
   Call: (197) [system] peek_char((0x56051b6b4f40), _2000484)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1999550=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1990254=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (195) [system] _1980958=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (194) [system] _1971662=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (193) [system] _1962366=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (192) [system] _1953070=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (191) [system] _1943774=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (190) [system] _1934478=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (189) [system] _1925182=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1915886=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1895342)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_2034940, _2034942), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1895342), _2034916, fail)), '$restore_trace'(_2034940, _2034942))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_2034940, _2034942))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _2034916, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _2042440)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _2044298)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _2051108)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _2053812)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2063204)
   Exit: (186) [system] peek_char((0x56051b6b4f40), $)
   Call: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _2066918)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _2068776)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _2077244)
   Exit: (187) [system] get_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _2066918)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2087462)
   Call: (189) [system] peek_char((0x56051b6b4f40), _2088396)
   Exit: (189) [system] peek_char((0x56051b6b4f40), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_2092188, v('(', ')', end_of_file), q)
   Call: (189) [system] ')'==q
   Call: (189) [system] get_char((0x56051b6b4f40), q)
   Exit: (189) [system] get_char((0x56051b6b4f40), q)
   Call: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _3382)
   Call: (190) [system] peek_char((0x56051b6b4f40), _4192)
   Exit: (190) [system] peek_char((0x56051b6b4f40), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_7984, v('(', ')', end_of_file), u)
   Call: (190) [system] ')'==u
   Call: (190) [system] get_char((0x56051b6b4f40), u)
   Exit: (190) [system] get_char((0x56051b6b4f40), u)
   Call: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _12554)
   Call: (191) [system] peek_char((0x56051b6b4f40), _13488)
   Exit: (191) [system] peek_char((0x56051b6b4f40), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_17280, v('(', ')', end_of_file), e)
   Call: (191) [system] ')'==e
   Call: (191) [system] get_char((0x56051b6b4f40), e)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _21850)
   Call: (192) [system] peek_char((0x56051b6b4f40), _22784)
   Exit: (192) [system] peek_char((0x56051b6b4f40), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_26576, v('(', ')', end_of_file), r)
   Call: (192) [system] ')'==r
   Call: (192) [system] get_char((0x56051b6b4f40), r)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _31146)
   Call: (193) [system] peek_char((0x56051b6b4f40), _32080)
   Exit: (193) [system] peek_char((0x56051b6b4f40), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_35872, v('(', ')', end_of_file), y)
   Call: (193) [system] ')'==y
   Call: (193) [system] get_char((0x56051b6b4f40), y)
   Exit: (193) [system] get_char((0x56051b6b4f40), y)
   Call: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _40442)
   Call: (194) [system] peek_char((0x56051b6b4f40), _41376)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _40442=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _31146=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (192) [system] _21850=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (191) [system] _12554=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (190) [system] _3382=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (189) [system] _3376=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _3372)
   Call: (189) [system] atom_chars(_64630, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _69294)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _71152)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _77962)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _80666)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _90058)
   Exit: (187) [system] peek_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _93772)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _95630)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _104098)
   Exit: (188) [system] get_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _93772)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _114316)
   Call: (190) [system] peek_char((0x56051b6b4f40), _115250)
   Exit: (190) [system] peek_char((0x56051b6b4f40), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_119042, v('(', ')', end_of_file), k)
   Call: (190) [system] ')'==k
   Call: (190) [system] get_char((0x56051b6b4f40), k)
   Exit: (190) [system] get_char((0x56051b6b4f40), k)
   Call: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _123612)
   Call: (191) [system] peek_char((0x56051b6b4f40), _124546)
   Exit: (191) [system] peek_char((0x56051b6b4f40), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_128338, v('(', ')', end_of_file), b)
   Call: (191) [system] ')'==b
   Call: (191) [system] get_char((0x56051b6b4f40), b)
   Exit: (191) [system] get_char((0x56051b6b4f40), b)
   Call: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _132908)
   Call: (192) [system] peek_char((0x56051b6b4f40), _133842)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _132908=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _123612=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (190) [system] _114316=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _93772)
   Call: (190) [system] atom_chars(_148714, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _153378)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _155236)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _162046)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _164750)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _174142)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _177856)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _179714)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _188182)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _177856)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _198400)
   Call: (191) [system] peek_char((0x56051b6b4f40), _199334)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_203126, v('(', ')', end_of_file), r)
   Call: (191) [system] ')'==r
   Call: (191) [system] get_char((0x56051b6b4f40), r)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _207696)
   Call: (192) [system] peek_char((0x56051b6b4f40), _208630)
   Exit: (192) [system] peek_char((0x56051b6b4f40), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_212422, v('(', ')', end_of_file), b)
   Call: (192) [system] ')'==b
   Call: (192) [system] get_char((0x56051b6b4f40), b)
   Exit: (192) [system] get_char((0x56051b6b4f40), b)
   Call: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _216992)
   Call: (193) [system] peek_char((0x56051b6b4f40), _217926)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _216992=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (192) [system] _207696=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (191) [system] _198400=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _177856)
   Call: (191) [system] atom_chars(_232798, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _237462)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _239320)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _246130)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _248834)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _258226)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _261940)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _263798)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _272266)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _261940)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _277836)
   Exit: (192) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (192) [system] 'S'=(;)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _286304)
   Exit: (191) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _290018)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _291876)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (193) [system] 'S'=(;)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _300344)
   Exit: (192) [system] get_char((0x56051b6b4f40), 'S')
   Call: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'S', _290018)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _310562)
   Call: (194) [system] peek_char((0x56051b6b4f40), _311496)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _310562=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq('S', [], _290018)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_320806, _320808), once(user:catch(read_from_chars(['S'], _290018), _320782, fail)), '$restore_trace'(_320806, _320808))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_320806, _320808))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _290018), _320782, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_290018)
   Call: (194) [system] atom_chars(_290018, ['S'])
   Exit: (194) [system] atom_chars('S', ['S'])
^  Exit: (193) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), 'S')
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _329258)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _331116)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _337926)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _340630)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _350022)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _353736)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _355594)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _364062)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _353736)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _374280)
   Call: (195) [system] peek_char((0x56051b6b4f40), _375214)
   Exit: (195) [system] peek_char((0x56051b6b4f40), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_379006, v('(', ')', end_of_file), k)
   Call: (195) [system] ')'==k
   Call: (195) [system] get_char((0x56051b6b4f40), k)
   Exit: (195) [system] get_char((0x56051b6b4f40), k)
   Call: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _383576)
   Call: (196) [system] peek_char((0x56051b6b4f40), _384510)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_388302, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _383576=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _374280=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (194) [user] classify_and_convert_charseq($, [k], _353736)
   Call: (195) [system] atom_chars(_397532, ['_', k])
   Exit: (195) [system] atom_chars('_k', ['_', k])
^  Exit: (194) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _402196)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _404054)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _412522)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _416312)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _402196=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _329258=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (191) [system] _261940=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), ['S', _k])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _427400)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _429258)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
   Call: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _437726)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x56051b6b4f40), _441516)
   Exit: (190) [system] get_char((0x56051b6b4f40), ')')
   Call: (190) [system] _427400=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (189) [system] _237462=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [['S', _k]])
   Call: (188) [system] _153378=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_rb, ['S', _k]])
   Call: (187) [system] _69294=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3368=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _460986)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _462844)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x56051b6b4f40), _470460)
   Exit: (185) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _473164)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x56051b6b4f40), _479974)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _482678)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _489488)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _492192)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _499002)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _501706)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _513870)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _517584)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _519442)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _527910)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _517584)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _533480)
   Exit: (187) [system] peek_char((0x56051b6b4f40), l)
   Call: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _541948)
   Exit: (186) [system] peek_char((0x56051b6b4f40), l)
   Call: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _545662)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _547520)
   Exit: (188) [system] peek_char((0x56051b6b4f40), l)
   Call: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _555988)
   Exit: (187) [system] get_char((0x56051b6b4f40), l)
   Call: (187) [system] l='('
   Call: (187) [system] l='['
   Call: (187) [system] l='{'
   Call: (187) [system] l='"'
   Call: (187) [system] l=!
   Call: (187) [system] l='\''
   Call: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, _545662)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _566206)
   Call: (189) [system] peek_char((0x56051b6b4f40), _567140)
   Exit: (189) [system] peek_char((0x56051b6b4f40), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_570932, v('(', ')', end_of_file), e)
   Call: (189) [system] ')'==e
   Call: (189) [system] get_char((0x56051b6b4f40), e)
   Exit: (189) [system] get_char((0x56051b6b4f40), e)
   Call: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _575502)
   Call: (190) [system] peek_char((0x56051b6b4f40), _576436)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_580228, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _584798)
   Call: (191) [system] peek_char((0x56051b6b4f40), _585732)
   Exit: (191) [system] peek_char((0x56051b6b4f40), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_589524, v('(', ')', end_of_file), *)
   Call: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x56051b6b4f40), *)
   Exit: (191) [system] get_char((0x56051b6b4f40), *)
   Call: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _594094)
   Call: (192) [system] peek_char((0x56051b6b4f40), _595028)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _594094=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _584798=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [*])
   Call: (190) [system] _575502=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, *])
   Call: (189) [system] _566206=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t, *], _545662)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_612720, _612722), once(user:catch(read_from_chars([l, e, t, *], _545662), _612696, fail)), '$restore_trace'(_612720, _612722))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_612720, _612722))
   Call: (189) [system] atom_chars(_3430, [l, e, t, *])
   Exit: (189) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), 'let*')
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _8202)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _10060)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _16870)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _19574)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _28966)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _32680)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _34538)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _43006)
   Exit: (188) [system] get_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _32680)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _48576)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _57044)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _60758)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _62616)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _71084)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _60758)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _76654)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _85122)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _88836)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _90694)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _99162)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _88836)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _104732)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _113200)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _116914)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _118772)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _127240)
   Exit: (194) [system] get_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, _116914)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _137458)
   Call: (196) [system] peek_char((0x56051b6b4f40), _138392)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _137458=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _116914)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_147702, _147704), once(user:catch(read_from_chars([:], _116914), _147678, fail)), '$restore_trace'(_147702, _147704))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_147702, _147704))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _147678, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _155202)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _157060)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _163870)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _166574)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _175966)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _179680)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _181538)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _190006)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _179680)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _200224)
   Call: (197) [system] peek_char((0x56051b6b4f40), _201158)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_204950, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _209520)
   Call: (198) [system] peek_char((0x56051b6b4f40), _210454)
   Exit: (198) [system] peek_char((0x56051b6b4f40), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_214246, v('(', ')', end_of_file), u)
   Call: (198) [system] ')'==u
   Call: (198) [system] get_char((0x56051b6b4f40), u)
   Exit: (198) [system] get_char((0x56051b6b4f40), u)
   Call: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _218816)
   Call: (199) [system] peek_char((0x56051b6b4f40), _219750)
   Exit: (199) [system] peek_char((0x56051b6b4f40), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_223542, v('(', ')', end_of_file), c)
   Call: (199) [system] ')'==c
   Call: (199) [system] get_char((0x56051b6b4f40), c)
   Exit: (199) [system] get_char((0x56051b6b4f40), c)
   Call: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _228112)
   Call: (200) [system] peek_char((0x56051b6b4f40), _229046)
   Exit: (200) [system] peek_char((0x56051b6b4f40), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_232838, v('(', ')', end_of_file), t)
   Call: (200) [system] ')'==t
   Call: (200) [system] get_char((0x56051b6b4f40), t)
   Exit: (200) [system] get_char((0x56051b6b4f40), t)
   Call: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _237408)
   Call: (201) [system] peek_char((0x56051b6b4f40), _238342)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_242134, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _246704)
   Call: (202) [system] peek_char((0x56051b6b4f40), _247638)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_251430, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256000)
   Call: (203) [system] peek_char((0x56051b6b4f40), _256934)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _256000=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _246704=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
   Call: (201) [system] _237408=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, r])
   Call: (200) [system] _228112=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, r])
   Call: (199) [system] _218816=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, o, r])
   Call: (198) [system] _209520=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, o, r])
   Call: (197) [system] _200224=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _179680)
   Call: (197) [system] atom_chars(_282982, ['_', r, u, c, t, o, r])
   Exit: (197) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _ructor)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _287646)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _289504)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _296314)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _299018)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _308410)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _312124)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _313982)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _322450)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _312124)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _328020)
   Exit: (198) [system] peek_char((0x56051b6b4f40), -)
   Call: (198) [system] (-)=(;)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _336488)
   Exit: (197) [system] peek_char((0x56051b6b4f40), -)
   Call: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _340202)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _342060)
   Exit: (199) [system] peek_char((0x56051b6b4f40), -)
   Call: (199) [system] (-)=(;)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _350528)
   Exit: (198) [system] get_char((0x56051b6b4f40), -)
   Call: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), -, _340202)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _360746)
   Call: (200) [system] peek_char((0x56051b6b4f40), _361680)
   Exit: (200) [system] peek_char((0x56051b6b4f40), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_365472, v('(', ')', end_of_file), >)
   Call: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x56051b6b4f40), >)
   Exit: (200) [system] get_char((0x56051b6b4f40), >)
   Call: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _370042)
   Call: (201) [system] peek_char((0x56051b6b4f40), _370976)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _370042=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _360746=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (199) [user] classify_and_convert_charseq(-, [>], _340202)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_383080, _383082), once(user:catch(read_from_chars([-, >], _340202), _383056, fail)), '$restore_trace'(_383080, _383082))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_383080, _383082))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _383056, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(->)
   Exit: (200) [system] atomic(->)
^  Exit: (199) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _390580)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _392438)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _399248)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _401952)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _411344)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _415058)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _416916)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _425384)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _415058)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _435602)
   Call: (201) [system] peek_char((0x56051b6b4f40), _436536)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_440328, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _444898)
   Call: (202) [system] peek_char((0x56051b6b4f40), _445832)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_449624, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454194)
   Call: (203) [system] peek_char((0x56051b6b4f40), _455128)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_458920, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _463490)
   Call: (204) [system] peek_char((0x56051b6b4f40), _464424)
   Exit: (204) [system] peek_char((0x56051b6b4f40), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_468216, v('(', ')', end_of_file), m)
   Call: (204) [system] ')'==m
   Call: (204) [system] get_char((0x56051b6b4f40), m)
   Exit: (204) [system] get_char((0x56051b6b4f40), m)
   Call: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _472786)
   Call: (205) [system] peek_char((0x56051b6b4f40), _473720)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_477512, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _482082)
   Call: (206) [system] peek_char((0x56051b6b4f40), _483016)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_486808, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _491378)
   Call: (207) [system] peek_char((0x56051b6b4f40), _492312)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_496104, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _500674)
   Call: (208) [system] peek_char((0x56051b6b4f40), _501608)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_505400, v('(', ')', end_of_file), '1')
   Call: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x56051b6b4f40), '1')
   Exit: (208) [system] get_char((0x56051b6b4f40), '1')
   Call: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _509970)
   Call: (209) [system] peek_char((0x56051b6b4f40), _510904)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _509970=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _500674=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (207) [system] _491378=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (206) [system] _482082=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (205) [system] _472786=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (204) [system] _463490=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (203) [system] _454194=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (202) [system] _444898=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _435602=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _415058)
   Call: (201) [system] atom_chars(_542540, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _547204)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _549062)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _555872)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _558576)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _567968)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _571682)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _573540)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _582008)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _571682)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592226)
   Call: (202) [system] peek_char((0x56051b6b4f40), _593160)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_596952, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _601522)
   Call: (203) [system] peek_char((0x56051b6b4f40), _602456)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_606248, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _610818)
   Call: (204) [system] peek_char((0x56051b6b4f40), _611752)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_615544, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620114)
   Call: (205) [system] peek_char((0x56051b6b4f40), _621048)
   Exit: (205) [system] peek_char((0x56051b6b4f40), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_624840, v('(', ')', end_of_file), m)
   Call: (205) [system] ')'==m
   Call: (205) [system] get_char((0x56051b6b4f40), m)
   Exit: (205) [system] get_char((0x56051b6b4f40), m)
   Call: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _629410)
   Call: (206) [system] peek_char((0x56051b6b4f40), _630344)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_634136, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638706)
   Call: (207) [system] peek_char((0x56051b6b4f40), _639640)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_643432, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _648002)
   Call: (208) [system] peek_char((0x56051b6b4f40), _648936)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_652728, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657298)
   Call: (209) [system] peek_char((0x56051b6b4f40), _658232)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_662024, v('(', ')', end_of_file), '2')
   Call: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x56051b6b4f40), '2')
   Exit: (209) [system] get_char((0x56051b6b4f40), '2')
   Call: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666594)
   Call: (210) [system] peek_char((0x56051b6b4f40), _667528)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _666594=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _657298=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (208) [system] _648002=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (207) [system] _638706=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (206) [system] _629410=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (205) [system] _620114=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (204) [system] _610818=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (203) [system] _601522=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _592226=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _571682)
   Call: (202) [system] atom_chars(_699164, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _703828)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _705686)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _712496)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _715200)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _724592)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _728306)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _730164)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _738632)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _728306)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _748850)
   Call: (203) [system] peek_char((0x56051b6b4f40), _749784)
   Exit: (203) [system] peek_char((0x56051b6b4f40), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_753576, v('(', ')', end_of_file), c)
   Call: (203) [system] ')'==c
   Call: (203) [system] get_char((0x56051b6b4f40), c)
   Exit: (203) [system] get_char((0x56051b6b4f40), c)
   Call: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _758146)
   Call: (204) [system] peek_char((0x56051b6b4f40), _759080)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_762872, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _767442)
   Call: (205) [system] peek_char((0x56051b6b4f40), _768376)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_772168, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _776738)
   Call: (206) [system] peek_char((0x56051b6b4f40), _777672)
   Exit: (206) [system] peek_char((0x56051b6b4f40), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_781464, v('(', ')', end_of_file), c)
   Call: (206) [system] ')'==c
   Call: (206) [system] get_char((0x56051b6b4f40), c)
   Exit: (206) [system] get_char((0x56051b6b4f40), c)
   Call: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _786034)
   Call: (207) [system] peek_char((0x56051b6b4f40), _786968)
   Exit: (207) [system] peek_char((0x56051b6b4f40), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_790760, v('(', ')', end_of_file), l)
   Call: (207) [system] ')'==l
   Call: (207) [system] get_char((0x56051b6b4f40), l)
   Exit: (207) [system] get_char((0x56051b6b4f40), l)
   Call: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _795330)
   Call: (208) [system] peek_char((0x56051b6b4f40), _796264)
   Exit: (208) [system] peek_char((0x56051b6b4f40), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_800056, v('(', ')', end_of_file), u)
   Call: (208) [system] ')'==u
   Call: (208) [system] get_char((0x56051b6b4f40), u)
   Exit: (208) [system] get_char((0x56051b6b4f40), u)
   Call: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _804626)
   Call: (209) [system] peek_char((0x56051b6b4f40), _805560)
   Exit: (209) [system] peek_char((0x56051b6b4f40), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_809352, v('(', ')', end_of_file), s)
   Call: (209) [system] ')'==s
   Call: (209) [system] get_char((0x56051b6b4f40), s)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _813922)
   Call: (210) [system] peek_char((0x56051b6b4f40), _814856)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_818648, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _823218)
   Call: (211) [system] peek_char((0x56051b6b4f40), _824152)
   Exit: (211) [system] peek_char((0x56051b6b4f40), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_827944, v('(', ')', end_of_file), o)
   Call: (211) [system] ')'==o
   Call: (211) [system] get_char((0x56051b6b4f40), o)
   Exit: (211) [system] get_char((0x56051b6b4f40), o)
   Call: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _832514)
   Call: (212) [system] peek_char((0x56051b6b4f40), _833448)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_837240, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _841810)
   Call: (213) [system] peek_char((0x56051b6b4f40), _842744)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_846536, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _841810=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _832514=[n]
   Exit: (212) [system] [n]=[n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (211) [system] _823218=[o, n]
   Exit: (211) [system] [o, n]=[o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (210) [system] _813922=[i, o, n]
   Exit: (210) [system] [i, o, n]=[i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (209) [system] _804626=[s, i, o, n]
   Exit: (209) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, o, n])
   Call: (208) [system] _795330=[u, s, i, o, n]
   Exit: (208) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, i, o, n])
   Call: (207) [system] _786034=[l, u, s, i, o, n]
   Exit: (207) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, u, s, i, o, n])
   Call: (206) [system] _776738=[c, l, u, s, i, o, n]
   Exit: (206) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, l, u, s, i, o, n])
   Call: (205) [system] _767442=[n, c, l, u, s, i, o, n]
   Exit: (205) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, l, u, s, i, o, n])
   Call: (204) [system] _758146=[o, n, c, l, u, s, i, o, n]
   Exit: (204) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, c, l, u, s, i, o, n])
   Call: (203) [system] _748850=[c, o, n, c, l, u, s, i, o, n]
   Exit: (203) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, o, n, c, l, u, s, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _728306)
   Call: (203) [system] atom_chars(_880912, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (203) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _conclusion)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _conclusion)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _885576)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _887434)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _895902)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _899692)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _885576=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _703828=[_conclusion]
   Exit: (200) [system] [_conclusion]=[_conclusion]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_conclusion])
   Call: (199) [system] _547204=[_premise2, _conclusion]
   Exit: (199) [system] [_premise2, _conclusion]=[_premise2, _conclusion]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_premise2, _conclusion])
   Call: (198) [system] _390580=[_premise1, _premise2, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _conclusion]=[_premise1, _premise2, _conclusion]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_premise1, _premise2, _conclusion])
   Call: (197) [system] _312124=[->, _premise1, _premise2, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _conclusion]=[->, _premise1, _premise2, _conclusion]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [->, _premise1, _premise2, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [->, _premise1, _premise2, _conclusion])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _916368)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _918226)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _926694)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _930484)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _916368=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _287646=[[->, _premise1, _premise2, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _conclusion]]=[[->, _premise1, _premise2, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[->, _premise1, _premise2, _conclusion]])
   Call: (194) [system] _155202=[_ructor, [->, _premise1, _premise2, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _conclusion]]=[_ructor, [->, _premise1, _premise2, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_ructor, [->, _premise1, _premise2, _conclusion]])
   Call: (193) [system] _88836=[:, _ructor, [->, _premise1, _premise2, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _944366)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _946224)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _953034)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _955738)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _965130)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _968844)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _970702)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _979170)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _968844)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _984740)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _993208)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _996922)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _998780)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1007248)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _996922)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1017466)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1018400)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1022192, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1026762)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1027696)
   Exit: (198) [system] peek_char((0x56051b6b4f40), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1031488, v('(', ')', end_of_file), b)
   Call: (198) [system] ')'==b
   Call: (198) [system] get_char((0x56051b6b4f40), b)
   Exit: (198) [system] get_char((0x56051b6b4f40), b)
   Call: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1036058)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1036992)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1040784, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1036058=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1026762=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (197) [system] _1017466=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (196) [user] classify_and_convert_charseq($, [r, b], _996922)
   Call: (197) [system] atom_chars(_1052808, ['_', r, b])
   Exit: (197) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1057472)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1059330)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1067798)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _1071588)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _1057472=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _968844=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [_rb])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1079882)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1081740)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1090208)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _1093998)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _1079882=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _944366=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[_rb]])
   Call: (191) [system] _60758=[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1105086)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1106944)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x56051b6b4f40), _1114560)
   Exit: (191) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1117264)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1124074)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1126778)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1133588)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1136292)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1143102)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1145806)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1152616)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1155320)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1162130)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1164834)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1171644)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1174348)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1181158)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1183862)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1190672)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1193376)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1200186)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1202890)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1209700)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1212404)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1231036)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1234750)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1236608)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _1245076)
   Exit: (191) [system] get_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1234750)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1250646)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1259114)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1262828)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1264686)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1273154)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1262828)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1278724)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1287192)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1290906)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1292764)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1301232)
   Exit: (195) [system] get_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, _1290906)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1311450)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1312384)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1311450=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _1290906)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1321694, _1321696), once(user:catch(read_from_chars([:], _1290906), _1321670, fail)), '$restore_trace'(_1321694, _1321696))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1321694, _1321696))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1321670, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1329194)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1331052)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1337862)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1340566)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1349958)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1353672)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1355530)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1363998)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1353672)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1369568)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1378036)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1381750)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1383608)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1392076)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _1381750)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1402294)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1403228)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1407020, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1411590)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1412524)
   Exit: (201) [system] peek_char((0x56051b6b4f40), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1416316, v('(', ')', end_of_file), u)
   Call: (201) [system] ')'==u
   Call: (201) [system] get_char((0x56051b6b4f40), u)
   Exit: (201) [system] get_char((0x56051b6b4f40), u)
   Call: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1420886)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1421820)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1425612, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1430182)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1431116)
   Exit: (203) [system] peek_char((0x56051b6b4f40), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1434908, v('(', ')', end_of_file), t)
   Call: (203) [system] ')'==t
   Call: (203) [system] get_char((0x56051b6b4f40), t)
   Exit: (203) [system] get_char((0x56051b6b4f40), t)
   Call: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1439478)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1440412)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1444204, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1448774)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1449708)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1453500, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1458070)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1459004)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1458070=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1448774=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
   Call: (204) [system] _1439478=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, r])
   Call: (203) [system] _1430182=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, r])
   Call: (202) [system] _1420886=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, o, r])
   Call: (201) [system] _1411590=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, o, r])
   Call: (200) [system] _1402294=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _1381750)
   Call: (200) [system] atom_chars(_1485052, ['_', r, u, c, t, o, r])
   Exit: (200) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _ructor)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1489716)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1491574)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1498384)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1501088)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1510480)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1514194)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1516052)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1524520)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1514194)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1534738)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1535672)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1539464, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1544034)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1544968)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1548760, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1553330)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1554264)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1558056, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1562626)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1563560)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1567352, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1571922)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1572856)
   Exit: (205) [system] peek_char((0x56051b6b4f40), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1576648, v('(', ')', end_of_file), f)
   Call: (205) [system] ')'==f
   Call: (205) [system] get_char((0x56051b6b4f40), f)
   Exit: (205) [system] get_char((0x56051b6b4f40), f)
   Call: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1581218)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1582152)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_1585944, v('(', ')', end_of_file), '1')
   Call: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x56051b6b4f40), '1')
   Exit: (206) [system] get_char((0x56051b6b4f40), '1')
   Call: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1590514)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1591448)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1590514=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1581218=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (205) [system] _1571922=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (204) [system] _1562626=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (203) [system] _1553330=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (202) [system] _1544034=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (201) [system] _1534738=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1514194)
   Call: (201) [system] atom_chars(_1617496, ['_', p, r, o, o, f, '1'])
   Exit: (201) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1622160)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1624018)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1630828)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1633532)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1642924)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1646638)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1648496)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1656964)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1646638)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1667182)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1668116)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1671908, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1676478)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1677412)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1681204, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1685774)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1686708)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1690500, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1695070)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1696004)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1699796, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1704366)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1705300)
   Exit: (206) [system] peek_char((0x56051b6b4f40), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_1709092, v('(', ')', end_of_file), f)
   Call: (206) [system] ')'==f
   Call: (206) [system] get_char((0x56051b6b4f40), f)
   Exit: (206) [system] get_char((0x56051b6b4f40), f)
   Call: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1713662)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1714596)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_1718388, v('(', ')', end_of_file), '2')
   Call: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x56051b6b4f40), '2')
   Exit: (207) [system] get_char((0x56051b6b4f40), '2')
   Call: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1722958)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1723892)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1727684, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1722958=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1713662=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (206) [system] _1704366=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (205) [system] _1695070=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (204) [system] _1685774=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (203) [system] _1676478=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (202) [system] _1667182=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _1646638)
   Call: (202) [system] atom_chars(_1750884, ['_', p, r, o, o, f, '2'])
   Exit: (202) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1755548)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1757406)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1765874)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x56051b6b4f40), _1769664)
   Exit: (200) [system] get_char((0x56051b6b4f40), ')')
   Call: (200) [system] _1755548=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (199) [system] _1622160=[_proof2]
   Exit: (199) [system] [_proof2]=[_proof2]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_proof2])
   Call: (198) [system] _1489716=[_proof1, _proof2]
   Exit: (198) [system] [_proof1, _proof2]=[_proof1, _proof2]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_proof1, _proof2])
   Call: (197) [system] _1353672=[_ructor, _proof1, _proof2]
   Exit: (197) [system] [_ructor, _proof1, _proof2]=[_ructor, _proof1, _proof2]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_ructor, _proof1, _proof2])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [_ructor, _proof1, _proof2])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1783546)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1785404)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1792214)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1794918)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1804310)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1808024)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1809882)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1818350)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _1808024)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1828568)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1829502)
   Exit: (199) [system] peek_char((0x56051b6b4f40), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_1833294, v('(', ')', end_of_file), c)
   Call: (199) [system] ')'==c
   Call: (199) [system] get_char((0x56051b6b4f40), c)
   Exit: (199) [system] get_char((0x56051b6b4f40), c)
   Call: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1837864)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1838798)
   Exit: (200) [system] peek_char((0x56051b6b4f40), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_1842590, v('(', ')', end_of_file), o)
   Call: (200) [system] ')'==o
   Call: (200) [system] get_char((0x56051b6b4f40), o)
   Exit: (200) [system] get_char((0x56051b6b4f40), o)
   Call: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1847160)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1848094)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1851886, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1856456)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1857390)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1861182, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1865752)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1866686)
   Exit: (203) [system] peek_char((0x56051b6b4f40), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_1870478, v('(', ')', end_of_file), l)
   Call: (203) [system] ')'==l
   Call: (203) [system] get_char((0x56051b6b4f40), l)
   Exit: (203) [system] get_char((0x56051b6b4f40), l)
   Call: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1875048)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1875982)
   Exit: (204) [system] peek_char((0x56051b6b4f40), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1879774, v('(', ')', end_of_file), u)
   Call: (204) [system] ')'==u
   Call: (204) [system] get_char((0x56051b6b4f40), u)
   Exit: (204) [system] get_char((0x56051b6b4f40), u)
   Call: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1884344)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1885278)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1889070, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1893640)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1894574)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1898366, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1902936)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1903870)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1907662, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1912232)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1913166)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1916958, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1921528)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1922462)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1926254, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1921528=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1912232=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (207) [system] _1902936=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (206) [system] _1893640=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (205) [system] _1884344=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, o, n])
   Call: (204) [system] _1875048=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, i, o, n])
   Call: (203) [system] _1865752=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, u, s, i, o, n])
   Call: (202) [system] _1856456=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, l, u, s, i, o, n])
   Call: (201) [system] _1847160=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _1837864=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _1828568=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _1808024)
   Call: (199) [system] atom_chars(_1960630, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (199) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _conclusion)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1965294)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1967152)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1975620)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _1979410)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _1965294=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1783546=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_conclusion])
   Call: (195) [system] _1329194=[[_ructor, _proof1, _proof2], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2], _conclusion]=[[_ructor, _proof1, _proof2], _conclusion]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[_ructor, _proof1, _proof2], _conclusion])
   Call: (194) [system] _1262828=[:, [_ructor, _proof1, _proof2], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2], _conclusion]=[:, [_ructor, _proof1, _proof2], _conclusion]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [:, [_ructor, _proof1, _proof2], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [:, [_ructor, _proof1, _proof2], _conclusion])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1993292)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1995150)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _2001960)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _2004664)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _2014056)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _2017770)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _2019628)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _2028096)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _2017770)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2038314)
   Call: (196) [system] peek_char((0x56051b6b4f40), _2039248)
   Exit: (196) [system] peek_char((0x56051b6b4f40), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_2043040, v('(', ')', end_of_file), q)
   Call: (196) [system] ')'==q
   Call: (196) [system] get_char((0x56051b6b4f40), q)
   Exit: (196) [system] get_char((0x56051b6b4f40), q)
   Call: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2047610)
   Call: (197) [system] peek_char((0x56051b6b4f40), _2048544)
   Exit: (197) [system] peek_char((0x56051b6b4f40), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_2052336, v('(', ')', end_of_file), u)
   Call: (197) [system] ')'==u
   Call: (197) [system] get_char((0x56051b6b4f40), u)
   Exit: (197) [system] get_char((0x56051b6b4f40), u)
   Call: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2056906)
   Call: (198) [system] peek_char((0x56051b6b4f40), _2057840)
   Exit: (198) [system] peek_char((0x56051b6b4f40), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_2061632, v('(', ')', end_of_file), e)
   Call: (198) [system] ')'==e
   Call: (198) [system] get_char((0x56051b6b4f40), e)
   Exit: (198) [system] get_char((0x56051b6b4f40), e)
   Call: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2066202)
   Call: (199) [system] peek_char((0x56051b6b4f40), _2067136)
   Exit: (199) [system] peek_char((0x56051b6b4f40), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_2070928, v('(', ')', end_of_file), r)
   Call: (199) [system] ')'==r
   Call: (199) [system] get_char((0x56051b6b4f40), r)
   Exit: (199) [system] get_char((0x56051b6b4f40), r)
   Call: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2075498)
   Call: (200) [system] peek_char((0x56051b6b4f40), _2076432)
   Exit: (200) [system] peek_char((0x56051b6b4f40), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_2080224, v('(', ')', end_of_file), y)
   Call: (200) [system] ')'==y
   Call: (200) [system] get_char((0x56051b6b4f40), y)
   Exit: (200) [system] get_char((0x56051b6b4f40), y)
   Call: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2084794)
   Call: (201) [system] peek_char((0x56051b6b4f40), _2085728)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_2089520, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _2084794=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _2075498=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (199) [system] _3608=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (198) [system] _3604=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (197) [system] _3600=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (196) [system] _3596=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _3592)
   Call: (196) [system] atom_chars(_16612, ['_', q, u, e, r, y])
   Exit: (196) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _21276)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _23134)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _31602)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _35392)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _21276=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _3588=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (192) [system] _3528=[[:, [_ructor, _proof1, _proof2], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _46480)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _48338)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x56051b6b4f40), _55954)
   Exit: (192) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _58658)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _65468)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _68172)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _74982)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _77686)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _84496)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _87200)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _94010)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _96714)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _103524)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _106228)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _113038)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _115742)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _122552)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _125256)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _132066)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _134770)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _141580)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _144284)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _151094)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _153798)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _172430)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _176144)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _178002)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _186470)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _176144)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _192040)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _200508)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _204222)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _206080)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _214548)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _204222)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _220118)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _228586)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _232300)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _234158)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _242626)
   Exit: (196) [system] get_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, _232300)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _252844)
   Call: (198) [system] peek_char((0x56051b6b4f40), _253778)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _252844=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _232300)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_263088, _263090), once(user:catch(read_from_chars([:], _232300), _263064, fail)), '$restore_trace'(_263088, _263090))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_263088, _263090))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _263064, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _270588)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _272446)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _279256)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _281960)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _291352)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _295066)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _296924)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _305392)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _295066)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _315610)
   Call: (199) [system] peek_char((0x56051b6b4f40), _316544)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_320336, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _324906)
   Call: (200) [system] peek_char((0x56051b6b4f40), _325840)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_329632, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _334202)
   Call: (201) [system] peek_char((0x56051b6b4f40), _335136)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_338928, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _343498)
   Call: (202) [system] peek_char((0x56051b6b4f40), _344432)
   Exit: (202) [system] peek_char((0x56051b6b4f40), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_348224, v('(', ')', end_of_file), o)
   Call: (202) [system] ')'==o
   Call: (202) [system] get_char((0x56051b6b4f40), o)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _352794)
   Call: (203) [system] peek_char((0x56051b6b4f40), _353728)
   Exit: (203) [system] peek_char((0x56051b6b4f40), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_357520, v('(', ')', end_of_file), f)
   Call: (203) [system] ')'==f
   Call: (203) [system] get_char((0x56051b6b4f40), f)
   Exit: (203) [system] get_char((0x56051b6b4f40), f)
   Call: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _362090)
   Call: (204) [system] peek_char((0x56051b6b4f40), _363024)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_366816, v('(', ')', end_of_file), '1')
   Call: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x56051b6b4f40), '1')
   Exit: (204) [system] get_char((0x56051b6b4f40), '1')
   Call: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _371386)
   Call: (205) [system] peek_char((0x56051b6b4f40), _372320)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _371386=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _362090=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (203) [system] _352794=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (202) [system] _343498=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (201) [system] _334202=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (200) [system] _324906=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (199) [system] _315610=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _295066)
   Call: (199) [system] atom_chars(_398368, ['_', p, r, o, o, f, '1'])
   Exit: (199) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _403032)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _404890)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _411700)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _414404)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _423796)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _427510)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _429368)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _437836)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _427510)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _448054)
   Call: (200) [system] peek_char((0x56051b6b4f40), _448988)
   Exit: (200) [system] peek_char((0x56051b6b4f40), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_452780, v('(', ')', end_of_file), p)
   Call: (200) [system] ')'==p
   Call: (200) [system] get_char((0x56051b6b4f40), p)
   Exit: (200) [system] get_char((0x56051b6b4f40), p)
   Call: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _457350)
   Call: (201) [system] peek_char((0x56051b6b4f40), _458284)
   Exit: (201) [system] peek_char((0x56051b6b4f40), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_462076, v('(', ')', end_of_file), r)
   Call: (201) [system] ')'==r
   Call: (201) [system] get_char((0x56051b6b4f40), r)
   Exit: (201) [system] get_char((0x56051b6b4f40), r)
   Call: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _466646)
   Call: (202) [system] peek_char((0x56051b6b4f40), _467580)
   Exit: (202) [system] peek_char((0x56051b6b4f40), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_471372, v('(', ')', end_of_file), e)
   Call: (202) [system] ')'==e
   Call: (202) [system] get_char((0x56051b6b4f40), e)
   Exit: (202) [system] get_char((0x56051b6b4f40), e)
   Call: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _475942)
   Call: (203) [system] peek_char((0x56051b6b4f40), _476876)
   Exit: (203) [system] peek_char((0x56051b6b4f40), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_480668, v('(', ')', end_of_file), m)
   Call: (203) [system] ')'==m
   Call: (203) [system] get_char((0x56051b6b4f40), m)
   Exit: (203) [system] get_char((0x56051b6b4f40), m)
   Call: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _485238)
   Call: (204) [system] peek_char((0x56051b6b4f40), _486172)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_489964, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _494534)
   Call: (205) [system] peek_char((0x56051b6b4f40), _495468)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_499260, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _503830)
   Call: (206) [system] peek_char((0x56051b6b4f40), _504764)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_508556, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _513126)
   Call: (207) [system] peek_char((0x56051b6b4f40), _514060)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_517852, v('(', ')', end_of_file), '1')
   Call: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x56051b6b4f40), '1')
   Exit: (207) [system] get_char((0x56051b6b4f40), '1')
   Call: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _522422)
   Call: (208) [system] peek_char((0x56051b6b4f40), _523356)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_527148, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _522422=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _513126=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (206) [system] _503830=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (205) [system] _494534=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (204) [system] _485238=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (203) [system] _475942=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (202) [system] _466646=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (201) [system] _457350=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _448054=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _427510)
   Call: (200) [system] atom_chars(_555936, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (200) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _560600)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _562458)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _570926)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _574716)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _560600=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _403032=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_premise1])
   Call: (196) [system] _270588=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_proof1, _premise1])
   Call: (195) [system] _204222=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _588598)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _590456)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _597266)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _599970)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _609362)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _613076)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _614934)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _623402)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _613076)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _628972)
   Exit: (197) [system] peek_char((0x56051b6b4f40), s)
   Call: (197) [system] s=(;)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _637440)
   Exit: (196) [system] peek_char((0x56051b6b4f40), s)
   Call: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _641154)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _643012)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _651480)
   Exit: (197) [system] get_char((0x56051b6b4f40), s)
   Call: (197) [system] s='('
   Call: (197) [system] s='['
   Call: (197) [system] s='{'
   Call: (197) [system] s='"'
   Call: (197) [system] s=!
   Call: (197) [system] s='\''
   Call: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), s, _641154)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _661698)
   Call: (199) [system] peek_char((0x56051b6b4f40), _662632)
   Exit: (199) [system] peek_char((0x56051b6b4f40), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_666424, v('(', ')', end_of_file), y)
   Call: (199) [system] ')'==y
   Call: (199) [system] get_char((0x56051b6b4f40), y)
   Exit: (199) [system] get_char((0x56051b6b4f40), y)
   Call: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _670994)
   Call: (200) [system] peek_char((0x56051b6b4f40), _671928)
   Exit: (200) [system] peek_char((0x56051b6b4f40), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_675720, v('(', ')', end_of_file), n)
   Call: (200) [system] ')'==n
   Call: (200) [system] get_char((0x56051b6b4f40), n)
   Exit: (200) [system] get_char((0x56051b6b4f40), n)
   Call: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _680290)
   Call: (201) [system] peek_char((0x56051b6b4f40), _681224)
   Exit: (201) [system] peek_char((0x56051b6b4f40), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_685016, v('(', ')', end_of_file), t)
   Call: (201) [system] ')'==t
   Call: (201) [system] get_char((0x56051b6b4f40), t)
   Exit: (201) [system] get_char((0x56051b6b4f40), t)
   Call: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _689586)
   Call: (202) [system] peek_char((0x56051b6b4f40), _690520)
   Exit: (202) [system] peek_char((0x56051b6b4f40), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_694312, v('(', ')', end_of_file), h)
   Call: (202) [system] ')'==h
   Call: (202) [system] get_char((0x56051b6b4f40), h)
   Exit: (202) [system] get_char((0x56051b6b4f40), h)
   Call: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _698882)
   Call: (203) [system] peek_char((0x56051b6b4f40), _699816)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_703608, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _708178)
   Call: (204) [system] peek_char((0x56051b6b4f40), _709112)
   Exit: (204) [system] peek_char((0x56051b6b4f40), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_712904, v('(', ')', end_of_file), s)
   Call: (204) [system] ')'==s
   Call: (204) [system] get_char((0x56051b6b4f40), s)
   Exit: (204) [system] get_char((0x56051b6b4f40), s)
   Call: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _717474)
   Call: (205) [system] peek_char((0x56051b6b4f40), _718408)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_722200, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _726770)
   Call: (206) [system] peek_char((0x56051b6b4f40), _727704)
   Exit: (206) [system] peek_char((0x56051b6b4f40), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_731496, v('(', ')', end_of_file), z)
   Call: (206) [system] ')'==z
   Call: (206) [system] get_char((0x56051b6b4f40), z)
   Exit: (206) [system] get_char((0x56051b6b4f40), z)
   Call: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _736066)
   Call: (207) [system] peek_char((0x56051b6b4f40), _737000)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_740792, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _745362)
   Call: (208) [system] peek_char((0x56051b6b4f40), _746296)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _745362=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _736066=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (206) [system] _726770=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (205) [system] _717474=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (204) [system] _708178=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (203) [system] _698882=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (202) [system] _689586=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (201) [system] _680290=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (200) [system] _670994=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _661698=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _641154)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_780752, _780754), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _641154), _780728, fail)), '$restore_trace'(_780752, _780754))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_780752, _780754))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _780728, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(synthesize)
   Exit: (199) [system] atomic(synthesize)
^  Exit: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _788252)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _790110)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _796920)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _799624)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _809016)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _812730)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _814588)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _823056)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _812730)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _828626)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _837094)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _840808)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _842666)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _851134)
   Exit: (200) [system] get_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, _840808)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _861352)
   Call: (202) [system] peek_char((0x56051b6b4f40), _862286)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _861352=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _840808)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_871596, _871598), once(user:catch(read_from_chars([:], _840808), _871572, fail)), '$restore_trace'(_871596, _871598))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_871596, _871598))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _871572, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _879096)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _880954)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _887764)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _890468)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _899860)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _903574)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _905432)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _913900)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _903574)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _924118)
   Call: (203) [system] peek_char((0x56051b6b4f40), _925052)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_928844, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _933414)
   Call: (204) [system] peek_char((0x56051b6b4f40), _934348)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_938140, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _942710)
   Call: (205) [system] peek_char((0x56051b6b4f40), _943644)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_947436, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _952006)
   Call: (206) [system] peek_char((0x56051b6b4f40), _952940)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_956732, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _961302)
   Call: (207) [system] peek_char((0x56051b6b4f40), _962236)
   Exit: (207) [system] peek_char((0x56051b6b4f40), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_966028, v('(', ')', end_of_file), f)
   Call: (207) [system] ')'==f
   Call: (207) [system] get_char((0x56051b6b4f40), f)
   Exit: (207) [system] get_char((0x56051b6b4f40), f)
   Call: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _970598)
   Call: (208) [system] peek_char((0x56051b6b4f40), _971532)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_975324, v('(', ')', end_of_file), '1')
   Call: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x56051b6b4f40), '1')
   Exit: (208) [system] get_char((0x56051b6b4f40), '1')
   Call: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _979894)
   Call: (209) [system] peek_char((0x56051b6b4f40), _980828)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _979894=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _970598=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (207) [system] _961302=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (206) [system] _952006=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (205) [system] _942710=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (204) [system] _933414=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (203) [system] _924118=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _903574)
   Call: (203) [system] atom_chars(_1006876, ['_', p, r, o, o, f, '1'])
   Exit: (203) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1011540)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1013398)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1020208)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1022912)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1032304)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1036018)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1037876)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1046344)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _1036018)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1056562)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1057496)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1061288, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1065858)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1066792)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1070584, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1075154)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1076088)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1079880, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1084450)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1085384)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1089176, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1093746)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1094680)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1098472, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1103042)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1103976)
   Exit: (209) [system] peek_char((0x56051b6b4f40), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1107768, v('(', ')', end_of_file), s)
   Call: (209) [system] ')'==s
   Call: (209) [system] get_char((0x56051b6b4f40), s)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1112338)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1113272)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1117064, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1121634)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1122568)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_1126360, v('(', ')', end_of_file), '1')
   Call: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x56051b6b4f40), '1')
   Exit: (211) [system] get_char((0x56051b6b4f40), '1')
   Call: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1130930)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1131864)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1135656, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1130930=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _1121634=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (210) [system] _1112338=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (209) [system] _1103042=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (208) [system] _1093746=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (207) [system] _1084450=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (206) [system] _1075154=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (205) [system] _1065858=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1056562=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _1036018)
   Call: (204) [system] atom_chars(_1164444, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (204) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1169108)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1170966)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1179434)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1183224)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1169108=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _1011540=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_premise1])
   Call: (200) [system] _879096=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_proof1, _premise1])
   Call: (199) [system] _812730=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1197106)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1198964)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1205774)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1208478)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1217870)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1221584)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1223442)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1231910)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1221584)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1242128)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1243062)
   Exit: (201) [system] peek_char((0x56051b6b4f40), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1246854, v('(', ')', end_of_file), k)
   Call: (201) [system] ')'==k
   Call: (201) [system] get_char((0x56051b6b4f40), k)
   Exit: (201) [system] get_char((0x56051b6b4f40), k)
   Call: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1251424)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1252358)
   Exit: (202) [system] peek_char((0x56051b6b4f40), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1256150, v('(', ')', end_of_file), b)
   Call: (202) [system] ')'==b
   Call: (202) [system] get_char((0x56051b6b4f40), b)
   Exit: (202) [system] get_char((0x56051b6b4f40), b)
   Call: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1260720)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1261654)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1260720=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _1251424=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (201) [system] _1242128=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (200) [user] classify_and_convert_charseq($, [k, b], _1221584)
   Call: (201) [system] atom_chars(_1276526, ['_', k, b])
   Exit: (201) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (200) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1281190)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1283048)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1289858)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1292562)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1301954)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1305668)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1307526)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1315994)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1305668)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1326212)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1327146)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1330938, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1335508)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1336442)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1340234, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1344804)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1345738)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1344804=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1335508=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (202) [system] _1326212=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (201) [user] classify_and_convert_charseq($, [r, b], _1305668)
   Call: (202) [system] atom_chars(_1360610, ['_', r, b])
   Exit: (202) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1365274)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1367132)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1373942)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1376646)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1386038)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1389752)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1391610)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1400078)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1389752)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1410296)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1411230)
   Exit: (203) [system] peek_char((0x56051b6b4f40), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1415022, v('(', ')', end_of_file), k)
   Call: (203) [system] ')'==k
   Call: (203) [system] get_char((0x56051b6b4f40), k)
   Exit: (203) [system] get_char((0x56051b6b4f40), k)
   Call: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1419592)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1420526)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1424318, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1419592=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1410296=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (202) [user] classify_and_convert_charseq($, [k], _1389752)
   Call: (203) [system] atom_chars(_1433548, ['_', k])
   Exit: (203) [system] atom_chars('_k', ['_', k])
^  Exit: (202) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1438212)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1440070)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1448538)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1452328)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1438212=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1365274=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (199) [system] _1281190=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (198) [system] _1197106=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (197) [system] _788252=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _613076=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1471798)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1473656)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1482124)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _1485914)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _1471798=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _588598=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _176144=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1497002)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1498860)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x56051b6b4f40), _1506476)
   Exit: (193) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1509180)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1515990)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1518694)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1525504)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1528208)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1535018)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1537722)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1544532)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1547236)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1554046)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1556750)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1563560)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1566264)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1573074)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1575778)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1582588)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1585292)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1592102)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1594806)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1601616)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1604320)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1622952)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1626666)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1628524)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1636992)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1626666)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1642562)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1651030)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1654744)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1656602)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1665070)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1654744)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1670640)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1679108)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1682822)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1684680)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1693148)
   Exit: (197) [system] get_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, _1682822)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1703366)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1704300)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1703366=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _1682822)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1713610, _1713612), once(user:catch(read_from_chars([:], _1682822), _1713586, fail)), '$restore_trace'(_1713610, _1713612))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1713610, _1713612))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1713586, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1721110)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1722968)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1729778)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1732482)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1741874)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1745588)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1747446)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1755914)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _1745588)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1766132)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1767066)
   Exit: (200) [system] peek_char((0x56051b6b4f40), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1770858, v('(', ')', end_of_file), p)
   Call: (200) [system] ')'==p
   Call: (200) [system] get_char((0x56051b6b4f40), p)
   Exit: (200) [system] get_char((0x56051b6b4f40), p)
   Call: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1775428)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1776362)
   Exit: (201) [system] peek_char((0x56051b6b4f40), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1780154, v('(', ')', end_of_file), r)
   Call: (201) [system] ')'==r
   Call: (201) [system] get_char((0x56051b6b4f40), r)
   Exit: (201) [system] get_char((0x56051b6b4f40), r)
   Call: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1784724)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1785658)
   Exit: (202) [system] peek_char((0x56051b6b4f40), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1789450, v('(', ')', end_of_file), o)
   Call: (202) [system] ')'==o
   Call: (202) [system] get_char((0x56051b6b4f40), o)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1794020)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1794954)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1798746, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1803316)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1804250)
   Exit: (204) [system] peek_char((0x56051b6b4f40), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_1808042, v('(', ')', end_of_file), f)
   Call: (204) [system] ')'==f
   Call: (204) [system] get_char((0x56051b6b4f40), f)
   Exit: (204) [system] get_char((0x56051b6b4f40), f)
   Call: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1812612)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1813546)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_1817338, v('(', ')', end_of_file), '2')
   Call: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x56051b6b4f40), '2')
   Exit: (205) [system] get_char((0x56051b6b4f40), '2')
   Call: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1821908)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1822842)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1821908=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1812612=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (204) [system] _1803316=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (203) [system] _1794020=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (202) [system] _1784724=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (201) [system] _1775428=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (200) [system] _1766132=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _1745588)
   Call: (200) [system] atom_chars(_1848890, ['_', p, r, o, o, f, '2'])
   Exit: (200) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1853554)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1855412)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1862222)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1864926)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1874318)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1878032)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1879890)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1888358)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1878032)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1898576)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1899510)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1903302, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1907872)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1908806)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1912598, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1917168)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1918102)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1921894, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1926464)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1927398)
   Exit: (204) [system] peek_char((0x56051b6b4f40), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_1931190, v('(', ')', end_of_file), m)
   Call: (204) [system] ')'==m
   Call: (204) [system] get_char((0x56051b6b4f40), m)
   Exit: (204) [system] get_char((0x56051b6b4f40), m)
   Call: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1935760)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1936694)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1940486, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1945056)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1945990)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1949782, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1954352)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1955286)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1959078, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1963648)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1964582)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_1968374, v('(', ')', end_of_file), '2')
   Call: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x56051b6b4f40), '2')
   Exit: (208) [system] get_char((0x56051b6b4f40), '2')
   Call: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1972944)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1973878)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1977670, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1972944=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1963648=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (207) [system] _1954352=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (206) [system] _1945056=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (205) [system] _1935760=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (204) [system] _1926464=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (203) [system] _1917168=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (202) [system] _1907872=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _1898576=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _1878032)
   Call: (201) [system] atom_chars(_2006458, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (201) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _2011122)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _2012980)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2021448)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x56051b6b4f40), _2025238)
   Exit: (199) [system] get_char((0x56051b6b4f40), ')')
   Call: (199) [system] _2011122=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1853554=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_premise2])
   Call: (197) [system] _1721110=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_proof2, _premise2])
   Call: (196) [system] _1654744=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _2039120)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _2040978)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _2047788)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2050492)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _2059884)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _2063598)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2065456)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _2073924)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _2063598)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _2079494)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2087962)
   Exit: (197) [system] peek_char((0x56051b6b4f40), s)
   Call: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _2091676)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2093534)
   Exit: (199) [system] peek_char((0x56051b6b4f40), s)
   Call: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _8948)
   Exit: (198) [system] get_char((0x56051b6b4f40), s)
   Call: (198) [system] s='('
   Call: (198) [system] s='['
   Call: (198) [system] s='{'
   Call: (198) [system] s='"'
   Call: (198) [system] s=!
   Call: (198) [system] s='\''
   Call: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), s, _3758)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _19166)
   Call: (200) [system] peek_char((0x56051b6b4f40), _20100)
   Exit: (200) [system] peek_char((0x56051b6b4f40), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_23892, v('(', ')', end_of_file), y)
   Call: (200) [system] ')'==y
   Call: (200) [system] get_char((0x56051b6b4f40), y)
   Exit: (200) [system] get_char((0x56051b6b4f40), y)
   Call: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _28462)
   Call: (201) [system] peek_char((0x56051b6b4f40), _29396)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_33188, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _37758)
   Call: (202) [system] peek_char((0x56051b6b4f40), _38692)
   Exit: (202) [system] peek_char((0x56051b6b4f40), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_42484, v('(', ')', end_of_file), t)
   Call: (202) [system] ')'==t
   Call: (202) [system] get_char((0x56051b6b4f40), t)
   Exit: (202) [system] get_char((0x56051b6b4f40), t)
   Call: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _47054)
   Call: (203) [system] peek_char((0x56051b6b4f40), _47988)
   Exit: (203) [system] peek_char((0x56051b6b4f40), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_51780, v('(', ')', end_of_file), h)
   Call: (203) [system] ')'==h
   Call: (203) [system] get_char((0x56051b6b4f40), h)
   Exit: (203) [system] get_char((0x56051b6b4f40), h)
   Call: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _56350)
   Call: (204) [system] peek_char((0x56051b6b4f40), _57284)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_61076, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _65646)
   Call: (205) [system] peek_char((0x56051b6b4f40), _66580)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_70372, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _74942)
   Call: (206) [system] peek_char((0x56051b6b4f40), _75876)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_79668, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _84238)
   Call: (207) [system] peek_char((0x56051b6b4f40), _85172)
   Exit: (207) [system] peek_char((0x56051b6b4f40), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_88964, v('(', ')', end_of_file), z)
   Call: (207) [system] ')'==z
   Call: (207) [system] get_char((0x56051b6b4f40), z)
   Exit: (207) [system] get_char((0x56051b6b4f40), z)
   Call: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _93534)
   Call: (208) [system] peek_char((0x56051b6b4f40), _94468)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_98260, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _102830)
   Call: (209) [system] peek_char((0x56051b6b4f40), _103764)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _102830=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _93534=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (207) [system] _84238=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (206) [system] _74942=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (205) [system] _65646=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (204) [system] _56350=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (203) [system] _47054=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (202) [system] _37758=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (201) [system] _28462=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _19166=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _3758)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_138220, _138222), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _3758), _138196, fail)), '$restore_trace'(_138220, _138222))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_138220, _138222))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _138196, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _145720)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _147578)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _154388)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _157092)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _166484)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _170198)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _172056)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _180524)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _170198)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _186094)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _194562)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _198276)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _200134)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _208602)
   Exit: (201) [system] get_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, _198276)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _218820)
   Call: (203) [system] peek_char((0x56051b6b4f40), _219754)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _218820=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _198276)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_229064, _229066), once(user:catch(read_from_chars([:], _198276), _229040, fail)), '$restore_trace'(_229064, _229066))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_229064, _229066))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _229040, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _236564)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _238422)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _245232)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _247936)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _257328)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _261042)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _262900)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _271368)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _261042)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _281586)
   Call: (204) [system] peek_char((0x56051b6b4f40), _282520)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_286312, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _290882)
   Call: (205) [system] peek_char((0x56051b6b4f40), _291816)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_295608, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _300178)
   Call: (206) [system] peek_char((0x56051b6b4f40), _301112)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_304904, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _309474)
   Call: (207) [system] peek_char((0x56051b6b4f40), _310408)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_314200, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _318770)
   Call: (208) [system] peek_char((0x56051b6b4f40), _319704)
   Exit: (208) [system] peek_char((0x56051b6b4f40), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_323496, v('(', ')', end_of_file), f)
   Call: (208) [system] ')'==f
   Call: (208) [system] get_char((0x56051b6b4f40), f)
   Exit: (208) [system] get_char((0x56051b6b4f40), f)
   Call: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _328066)
   Call: (209) [system] peek_char((0x56051b6b4f40), _329000)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_332792, v('(', ')', end_of_file), '2')
   Call: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x56051b6b4f40), '2')
   Exit: (209) [system] get_char((0x56051b6b4f40), '2')
   Call: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _337362)
   Call: (210) [system] peek_char((0x56051b6b4f40), _338296)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _337362=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _328066=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (208) [system] _318770=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (207) [system] _309474=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (206) [system] _300178=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (205) [system] _290882=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (204) [system] _281586=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _261042)
   Call: (204) [system] atom_chars(_364344, ['_', p, r, o, o, f, '2'])
   Exit: (204) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _369008)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _370866)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _377676)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _380380)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _389772)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _393486)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _395344)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _403812)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _393486)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _414030)
   Call: (205) [system] peek_char((0x56051b6b4f40), _414964)
   Exit: (205) [system] peek_char((0x56051b6b4f40), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_418756, v('(', ')', end_of_file), p)
   Call: (205) [system] ')'==p
   Call: (205) [system] get_char((0x56051b6b4f40), p)
   Exit: (205) [system] get_char((0x56051b6b4f40), p)
   Call: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _423326)
   Call: (206) [system] peek_char((0x56051b6b4f40), _424260)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_428052, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _432622)
   Call: (207) [system] peek_char((0x56051b6b4f40), _433556)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_437348, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _441918)
   Call: (208) [system] peek_char((0x56051b6b4f40), _442852)
   Exit: (208) [system] peek_char((0x56051b6b4f40), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_446644, v('(', ')', end_of_file), m)
   Call: (208) [system] ')'==m
   Call: (208) [system] get_char((0x56051b6b4f40), m)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _451214)
   Call: (209) [system] peek_char((0x56051b6b4f40), _452148)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_455940, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _460510)
   Call: (210) [system] peek_char((0x56051b6b4f40), _461444)
   Exit: (210) [system] peek_char((0x56051b6b4f40), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_465236, v('(', ')', end_of_file), s)
   Call: (210) [system] ')'==s
   Call: (210) [system] get_char((0x56051b6b4f40), s)
   Exit: (210) [system] get_char((0x56051b6b4f40), s)
   Call: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _469806)
   Call: (211) [system] peek_char((0x56051b6b4f40), _470740)
   Exit: (211) [system] peek_char((0x56051b6b4f40), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_474532, v('(', ')', end_of_file), e)
   Call: (211) [system] ')'==e
   Call: (211) [system] get_char((0x56051b6b4f40), e)
   Exit: (211) [system] get_char((0x56051b6b4f40), e)
   Call: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _479102)
   Call: (212) [system] peek_char((0x56051b6b4f40), _480036)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_483828, v('(', ')', end_of_file), '2')
   Call: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x56051b6b4f40), '2')
   Exit: (212) [system] get_char((0x56051b6b4f40), '2')
   Call: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _488398)
   Call: (213) [system] peek_char((0x56051b6b4f40), _489332)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_493124, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _488398=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _479102=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (211) [system] _469806=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (210) [system] _460510=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (209) [system] _451214=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (208) [system] _441918=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (207) [system] _432622=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (206) [system] _423326=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _414030=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _393486)
   Call: (205) [system] atom_chars(_521912, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (205) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _526576)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _528434)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _536902)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _540692)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _526576=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _369008=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_premise2])
   Call: (201) [system] _236564=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_proof2, _premise2])
   Call: (200) [system] _170198=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _554574)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _556432)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _563242)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _565946)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _575338)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _579052)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _580910)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _589378)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _579052)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _599596)
   Call: (202) [system] peek_char((0x56051b6b4f40), _600530)
   Exit: (202) [system] peek_char((0x56051b6b4f40), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_604322, v('(', ')', end_of_file), k)
   Call: (202) [system] ')'==k
   Call: (202) [system] get_char((0x56051b6b4f40), k)
   Exit: (202) [system] get_char((0x56051b6b4f40), k)
   Call: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _608892)
   Call: (203) [system] peek_char((0x56051b6b4f40), _609826)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_613618, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _618188)
   Call: (204) [system] peek_char((0x56051b6b4f40), _619122)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _618188=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _608892=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (202) [system] _599596=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (201) [user] classify_and_convert_charseq($, [k, b], _579052)
   Call: (202) [system] atom_chars(_633994, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _638658)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _640516)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _647326)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _650030)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _659422)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _663136)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _664994)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _673462)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _663136)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _683680)
   Call: (203) [system] peek_char((0x56051b6b4f40), _684614)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_688406, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _692976)
   Call: (204) [system] peek_char((0x56051b6b4f40), _693910)
   Exit: (204) [system] peek_char((0x56051b6b4f40), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_697702, v('(', ')', end_of_file), b)
   Call: (204) [system] ')'==b
   Call: (204) [system] get_char((0x56051b6b4f40), b)
   Exit: (204) [system] get_char((0x56051b6b4f40), b)
   Call: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _702272)
   Call: (205) [system] peek_char((0x56051b6b4f40), _703206)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _702272=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _692976=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (203) [system] _683680=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (202) [user] classify_and_convert_charseq($, [r, b], _663136)
   Call: (203) [system] atom_chars(_718078, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _722742)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _724600)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _731410)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _734114)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _743506)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _747220)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _749078)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _757546)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _747220)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _767764)
   Call: (204) [system] peek_char((0x56051b6b4f40), _768698)
   Exit: (204) [system] peek_char((0x56051b6b4f40), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_772490, v('(', ')', end_of_file), k)
   Call: (204) [system] ')'==k
   Call: (204) [system] get_char((0x56051b6b4f40), k)
   Exit: (204) [system] get_char((0x56051b6b4f40), k)
   Call: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _777060)
   Call: (205) [system] peek_char((0x56051b6b4f40), _777994)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_781786, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _777060=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _767764=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (203) [user] classify_and_convert_charseq($, [k], _747220)
   Call: (204) [system] atom_chars(_791016, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _795680)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _797538)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _806006)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _809796)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _795680=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _722742=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (200) [system] _638658=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (199) [system] _554574=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (198) [system] _145720=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _3752=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _829266)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _831124)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _839592)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _843382)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _829266=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _3748=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3714=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _854470)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _856328)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _864796)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _868586)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _854470=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _3710=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (191) [system] _3598=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (190) [system] _3524=[[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _885262)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _887120)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (189) [system] '\n'=(;)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x56051b6b4f40), _894736)
   Exit: (189) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _897440)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _904250)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _906954)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _913764)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _916468)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _923278)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _925982)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _932792)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _935496)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _942306)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _945010)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _959022)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _962736)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _964594)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _973062)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _962736)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _983280)
   Call: (191) [system] peek_char((0x56051b6b4f40), _984214)
   Exit: (191) [system] peek_char((0x56051b6b4f40), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_988006, v('(', ')', end_of_file), q)
   Call: (191) [system] ')'==q
   Call: (191) [system] get_char((0x56051b6b4f40), q)
   Exit: (191) [system] get_char((0x56051b6b4f40), q)
   Call: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _992576)
   Call: (192) [system] peek_char((0x56051b6b4f40), _993510)
   Exit: (192) [system] peek_char((0x56051b6b4f40), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_997302, v('(', ')', end_of_file), u)
   Call: (192) [system] ')'==u
   Call: (192) [system] get_char((0x56051b6b4f40), u)
   Exit: (192) [system] get_char((0x56051b6b4f40), u)
   Call: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1001872)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1002806)
   Exit: (193) [system] peek_char((0x56051b6b4f40), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_1006598, v('(', ')', end_of_file), e)
   Call: (193) [system] ')'==e
   Call: (193) [system] get_char((0x56051b6b4f40), e)
   Exit: (193) [system] get_char((0x56051b6b4f40), e)
   Call: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1011168)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1012102)
   Exit: (194) [system] peek_char((0x56051b6b4f40), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_1015894, v('(', ')', end_of_file), r)
   Call: (194) [system] ')'==r
   Call: (194) [system] get_char((0x56051b6b4f40), r)
   Exit: (194) [system] get_char((0x56051b6b4f40), r)
   Call: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1020464)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1021398)
   Exit: (195) [system] peek_char((0x56051b6b4f40), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_1025190, v('(', ')', end_of_file), y)
   Call: (195) [system] ')'==y
   Call: (195) [system] get_char((0x56051b6b4f40), y)
   Exit: (195) [system] get_char((0x56051b6b4f40), y)
   Call: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1029760)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1030694)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1034486, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1029760=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1020464=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (194) [system] _1011168=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (193) [system] _1001872=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (192) [system] _992576=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (191) [system] _983280=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _962736)
   Call: (191) [system] atom_chars(_1054892, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1059556)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1061414)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1069882)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1073672)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1059556=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _885262=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1087554)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1089412)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1097880)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1101670)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1087554=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (179) [user] assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 59, 0, 1944, '$stream_position'(1944, 59, 0, 1944)), read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1120188, _1120190, _1120192, _1120194, _1120196))
^  Exit: (177) [user] retract(metta_file_comment(40, 0, 1242, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$stream_position'(1242, 40, 0, 1242)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1123036))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1123036)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1123036)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1125852))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1125852))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1125852)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1128652))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1128652)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1128652)
   Call: (187) [system] var('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] atom('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==true
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==false
   Call: (187) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==[_1135172, _1135178]
   Call: (187) [system] is_list('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] string('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] compound('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1139806, _1139808)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], _1143548)
   Call: (188) [apply] apply:maplist_([";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], _1143548, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      rule.  A rule is a function mapping premises to conclusion", _1145428)
   Call: (190) [system] var(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==true
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==false
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"==[_1150070, _1150076]
   Call: (190) [system] is_list(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] string(";;      rule.  A rule is a function mapping premises to conclusion")
   Exit: (190) [system] string(";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      rule.  A rule is a function mapping premises to conclusion")
^  Call: (190) [user] symbol(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (191) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
   Fail: (191) [system] atom(";;      rule.  A rule is a function mapping premises to conclusion")
^  Fail: (190) [user] symbol(";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=_1145428
   Exit: (190) [system] ";;      rule.  A rule is a function mapping premises to conclusion"=";;      rule.  A rule is a function mapping premises to conclusion"
^  Exit: (189) [user] mfix_vars1(";;      rule.  A rule is a function mapping premises to conclusion", ";;      rule.  A rule is a function mapping premises to conclusion")
   Call: (189) [apply] apply:maplist_([40, 0], _1145430, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(40, _1163950)
   Call: (191) [system] var(40)
   Call: (191) [system] atom(40)
   Call: (191) [system] 40==true
   Call: (191) [system] 40==false
   Call: (191) [system] 40==[_1168592, _1168598]
   Call: (191) [system] is_list(40)
   Call: (191) [system] string(40)
   Call: (191) [system] compound(40)
^  Call: (191) [user] symbol(40)
   Call: (192) [system] atom(40)
   Fail: (192) [system] atom(40)
^  Fail: (191) [user] symbol(40)
   Call: (191) [system] 40=_1163950
   Exit: (191) [system] 40=40
^  Exit: (190) [user] mfix_vars1(40, 40)
   Call: (190) [apply] apply:maplist_([0], _1163952, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1179716)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1184358, _1184364]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1179716
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1179718, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([40, 0], [40, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0], [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Call: (187) [system] compound_name_arguments(_1128652, '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT', [";;      rule.  A rule is a function mapping premises to conclusion", 40, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1208534))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1208534))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1208534)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1211334))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1211334)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1211334)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1123036))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1123036))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1123036)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1225292))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1225292)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), _1225292)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (184) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (178) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)\=@='$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)))
   Call: (169) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), nthesize_long_1726792630_1772065, 58)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792633.494474)
   Call: (173) [system] arg(1, t(1726792630.1734605), _3148)
   Exit: (173) [system] arg(1, t(1726792630.1734605), 1726792630.1734605)
   Call: (173) [system] _3158 is 1726792633.494474-1726792630.1734605
   Exit: (173) [system] 3.3210134506225586 is 1726792633.494474-1726792630.1734605
   Call: (173) [system] 3.3210134506225586>4
   Fail: (173) [system] 3.3210134506225586>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 6)
   Call: (175) [system] atom(6+1)
   Call: (175) [system] set_flag(translated_forms, 7)
   Exit: (175) [system] set_flag(translated_forms, 7)
   Exit: (174) [$syspreds] update_flag(translated_forms, 6, 6+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 6, 6+1))
   Exit: (171) [$syspreds] flag(translated_forms, 6, 6+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), nthesize_long_1726792630_1772065, 58)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;      rule.  A rule is a function mapping premises to conclusion"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;      rule.  A rule is a function mapping premises to conclusion"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), nthesize_long_1726792630_1772065, 58)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0)), 58]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 6, 6+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      rule.  A rule is a function mapping premises to conclusion", 40, 0), nthesize_long_1726792630_1772065, 58)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 65)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 65))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 65))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1300076)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1307498)
   Exit: (175) [system] peek_char((0x56051b6b4f40), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1315836)
   Exit: (177) [system] peek_char((0x56051b6b4f40), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _1318622=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _1320490, _1320492, _1320494, _1320496), read_sexpr((0x56051b6b4f40), _1320508), assertz(metta_file_comment(_1320490, _1320492, _1320494, _1320508, _1320496))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _1320490, _1320492, _1320494, _1320496)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_1320496))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_1320496))
   Exit: (181) [system] nonvar(position(_1320496))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(2300, 66, 0, 2300)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), _1320490)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1330748)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), _1320490)
   Exit: (181) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), 66)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), 66)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), _1320492)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1338182)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), _1320492)
   Exit: (181) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), _1320494)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1345616)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), _1320494)
   Exit: (181) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), 2300)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), 2300)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _1320508)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1320508)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1354918)
   Exit: (182) [system] peek_char((0x56051b6b4f40), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (183) [user] read_position((0x56051b6b4f40), _1359556, _1359558, _1359560, _1359562)
   Call: (184) [system] stream_property((0x56051b6b4f40), position(_1359562))
   Call: (185) [system] nonvar((0x56051b6b4f40))
   Exit: (185) [system] nonvar((0x56051b6b4f40))
   Call: (185) [system] nonvar(position(_1359562))
   Exit: (185) [system] nonvar(position(_1359562))
   Exit: (184) [system] stream_property((0x56051b6b4f40), position('$stream_position'(2300, 66, 0, 2300)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), _1359556)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1368850)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), _1359556)
   Exit: (185) [system] arg(2, '$stream_position'(2300, 66, 0, 2300), 66)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2300, 66, 0, 2300), 66)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), _1359558)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1376284)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), _1359558)
   Exit: (185) [system] arg(3, '$stream_position'(2300, 66, 0, 2300), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2300, 66, 0, 2300), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), _1359560)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1383718)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), _1359560)
   Exit: (185) [system] arg(1, '$stream_position'(2300, 66, 0, 2300), 2300)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2300, 66, 0, 2300), 2300)
^  Exit: (183) [user] read_position((0x56051b6b4f40), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300))
^  Call: (183) [user] read_until_eol((0x56051b6b4f40), _1389312)
   Call: (184) [system] get_char((0x56051b6b4f40), _1390242)
   Exit: (184) [system] get_char((0x56051b6b4f40), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _1393956)
   Call: (185) [system] get_char((0x56051b6b4f40), _1394886)
   Exit: (185) [system] get_char((0x56051b6b4f40), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1398600)
   Call: (186) [system] get_char((0x56051b6b4f40), _1399530)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1403244)
   Call: (187) [system] get_char((0x56051b6b4f40), _1404174)
   Exit: (187) [system] get_char((0x56051b6b4f40), 'T')
   Call: (187) [system] char_type('T', end_of_line)
   Call: (187) [system] 'T'=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1407888)
   Call: (188) [system] get_char((0x56051b6b4f40), _1408818)
   Exit: (188) [system] get_char((0x56051b6b4f40), r)
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] r=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1412532)
   Call: (189) [system] get_char((0x56051b6b4f40), _1413462)
   Exit: (189) [system] get_char((0x56051b6b4f40), i)
   Call: (189) [system] char_type(i, end_of_line)
   Call: (189) [system] i=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1417176)
   Call: (190) [system] get_char((0x56051b6b4f40), _1418106)
   Exit: (190) [system] get_char((0x56051b6b4f40), n)
   Call: (190) [system] char_type(n, end_of_line)
   Call: (190) [system] n=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1421820)
   Call: (191) [system] get_char((0x56051b6b4f40), _1422750)
   Exit: (191) [system] get_char((0x56051b6b4f40), a)
   Call: (191) [system] char_type(a, end_of_line)
   Call: (191) [system] a=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1426464)
   Call: (192) [system] get_char((0x56051b6b4f40), _1427394)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] char_type(r, end_of_line)
   Call: (192) [system] r=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1431108)
   Call: (193) [system] get_char((0x56051b6b4f40), _1432038)
   Exit: (193) [system] get_char((0x56051b6b4f40), y)
   Call: (193) [system] char_type(y, end_of_line)
   Call: (193) [system] y=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1435752)
   Call: (194) [system] get_char((0x56051b6b4f40), _1436682)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
   Call: (194) [system] char_type(' ', end_of_line)
   Call: (194) [system] ' '=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1440396)
   Call: (195) [system] get_char((0x56051b6b4f40), _1441326)
   Exit: (195) [system] get_char((0x56051b6b4f40), r)
   Call: (195) [system] char_type(r, end_of_line)
   Call: (195) [system] r=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1445040)
   Call: (196) [system] get_char((0x56051b6b4f40), _1445970)
   Exit: (196) [system] get_char((0x56051b6b4f40), u)
   Call: (196) [system] char_type(u, end_of_line)
   Call: (196) [system] u=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1449684)
   Call: (197) [system] get_char((0x56051b6b4f40), _1450614)
   Exit: (197) [system] get_char((0x56051b6b4f40), l)
   Call: (197) [system] char_type(l, end_of_line)
   Call: (197) [system] l=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1454328)
   Call: (198) [system] get_char((0x56051b6b4f40), _1455258)
   Exit: (198) [system] get_char((0x56051b6b4f40), e)
   Call: (198) [system] char_type(e, end_of_line)
   Call: (198) [system] e=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1458972)
   Call: (199) [system] get_char((0x56051b6b4f40), _1459902)
   Exit: (199) [system] get_char((0x56051b6b4f40), '\n')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
   Call: (199) [system] _1458972=""
   Exit: (199) [system] ""=""
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (198) [system] string_concat(e, "", _1454328)
   Exit: (198) [system] string_concat(e, "", "e")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "e")
   Call: (197) [system] string_concat(l, "e", _1449684)
   Exit: (197) [system] string_concat(l, "e", "le")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "le")
   Call: (196) [system] string_concat(u, "le", _1445040)
   Exit: (196) [system] string_concat(u, "le", "ule")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "ule")
   Call: (195) [system] string_concat(r, "ule", _1440396)
   Exit: (195) [system] string_concat(r, "ule", "rule")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "rule")
   Call: (194) [system] string_concat(' ', "rule", _1435752)
   Exit: (194) [system] string_concat(' ', "rule", " rule")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), " rule")
   Call: (193) [system] string_concat(y, " rule", _1431108)
   Exit: (193) [system] string_concat(y, " rule", "y rule")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "y rule")
   Call: (192) [system] string_concat(r, "y rule", _1426464)
   Exit: (192) [system] string_concat(r, "y rule", "ry rule")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "ry rule")
   Call: (191) [system] string_concat(a, "ry rule", _1421820)
   Exit: (191) [system] string_concat(a, "ry rule", "ary rule")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "ary rule")
   Call: (190) [system] string_concat(n, "ary rule", _1417176)
   Exit: (190) [system] string_concat(n, "ary rule", "nary rule")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "nary rule")
   Call: (189) [system] string_concat(i, "nary rule", _1412532)
   Exit: (189) [system] string_concat(i, "nary rule", "inary rule")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "inary rule")
   Call: (188) [system] string_concat(r, "inary rule", _1407888)
   Exit: (188) [system] string_concat(r, "inary rule", "rinary rule")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "rinary rule")
   Call: (187) [system] string_concat('T', "rinary rule", _1403244)
   Exit: (187) [system] string_concat('T', "rinary rule", "Trinary rule")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), "Trinary rule")
   Call: (186) [system] string_concat(' ', "Trinary rule", _1398600)
   Exit: (186) [system] string_concat(' ', "Trinary rule", " Trinary rule")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), " Trinary rule")
   Call: (185) [system] string_concat(;, " Trinary rule", _1393956)
   Exit: (185) [system] string_concat(;, " Trinary rule", "; Trinary rule")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), "; Trinary rule")
   Call: (184) [system] string_concat(;, "; Trinary rule", _1389312)
   Exit: (184) [system] string_concat(;, "; Trinary rule", ";; Trinary rule")
^  Exit: (183) [user] read_until_eol((0x56051b6b4f40), ";; Trinary rule")
^  Call: (183) [user] assertz(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (183) [user] assertz(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1512124)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1521516)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1320508)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1527086)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1535554)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1539268)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1541126)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1549594)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _1539268)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1559812)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1560746)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1559812=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1539268)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1570056, _1570058), once(user:catch(read_from_chars([=], _1539268), _1570032, fail)), '$restore_trace'(_1570056, _1570058))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1570056, _1570058))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1570032, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1577556)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1579414)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1586224)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1588928)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1598320)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1602034)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1603892)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1612360)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1602034)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1617930)
   Exit: (186) [system] peek_char((0x56051b6b4f40), s)
   Call: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1626398)
   Exit: (185) [system] peek_char((0x56051b6b4f40), s)
   Call: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1630112)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1631970)
   Exit: (187) [system] peek_char((0x56051b6b4f40), s)
   Call: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1640438)
   Exit: (186) [system] get_char((0x56051b6b4f40), s)
   Call: (186) [system] s='('
   Call: (186) [system] s='['
   Call: (186) [system] s='{'
   Call: (186) [system] s='"'
   Call: (186) [system] s=!
   Call: (186) [system] s='\''
   Call: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, _1630112)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1650656)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1651590)
   Exit: (188) [system] peek_char((0x56051b6b4f40), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1655382, v('(', ')', end_of_file), y)
   Call: (188) [system] ')'==y
   Call: (188) [system] get_char((0x56051b6b4f40), y)
   Exit: (188) [system] get_char((0x56051b6b4f40), y)
   Call: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1659952)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1660886)
   Exit: (189) [system] peek_char((0x56051b6b4f40), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1664678, v('(', ')', end_of_file), n)
   Call: (189) [system] ')'==n
   Call: (189) [system] get_char((0x56051b6b4f40), n)
   Exit: (189) [system] get_char((0x56051b6b4f40), n)
   Call: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1669248)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1670182)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1673974, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1678544)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1679478)
   Exit: (191) [system] peek_char((0x56051b6b4f40), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1683270, v('(', ')', end_of_file), h)
   Call: (191) [system] ')'==h
   Call: (191) [system] get_char((0x56051b6b4f40), h)
   Exit: (191) [system] get_char((0x56051b6b4f40), h)
   Call: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1687840)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1688774)
   Exit: (192) [system] peek_char((0x56051b6b4f40), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1692566, v('(', ')', end_of_file), e)
   Call: (192) [system] ')'==e
   Call: (192) [system] get_char((0x56051b6b4f40), e)
   Exit: (192) [system] get_char((0x56051b6b4f40), e)
   Call: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1697136)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1698070)
   Exit: (193) [system] peek_char((0x56051b6b4f40), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1701862, v('(', ')', end_of_file), s)
   Call: (193) [system] ')'==s
   Call: (193) [system] get_char((0x56051b6b4f40), s)
   Exit: (193) [system] get_char((0x56051b6b4f40), s)
   Call: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1706432)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1707366)
   Exit: (194) [system] peek_char((0x56051b6b4f40), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1711158, v('(', ')', end_of_file), i)
   Call: (194) [system] ')'==i
   Call: (194) [system] get_char((0x56051b6b4f40), i)
   Exit: (194) [system] get_char((0x56051b6b4f40), i)
   Call: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1715728)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1716662)
   Exit: (195) [system] peek_char((0x56051b6b4f40), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1720454, v('(', ')', end_of_file), z)
   Call: (195) [system] ')'==z
   Call: (195) [system] get_char((0x56051b6b4f40), z)
   Exit: (195) [system] get_char((0x56051b6b4f40), z)
   Call: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1725024)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1725958)
   Exit: (196) [system] peek_char((0x56051b6b4f40), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1729750, v('(', ')', end_of_file), e)
   Call: (196) [system] ')'==e
   Call: (196) [system] get_char((0x56051b6b4f40), e)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1734320)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1735254)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1734320=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1725024=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (195) [system] _1715728=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (194) [system] _1706432=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (193) [system] _1697136=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (192) [system] _1687840=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (191) [system] _1678544=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (190) [system] _1669248=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (189) [system] _1659952=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1650656=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1630112)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1769710, _1769712), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1630112), _1769686, fail)), '$restore_trace'(_1769710, _1769712))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1769710, _1769712))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1769686, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1777210)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1779068)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _1785878)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1788582)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1797974)
   Exit: (186) [system] peek_char((0x56051b6b4f40), $)
   Call: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1801688)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1803546)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1812014)
   Exit: (187) [system] get_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _1801688)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1822232)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1823166)
   Exit: (189) [system] peek_char((0x56051b6b4f40), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1826958, v('(', ')', end_of_file), q)
   Call: (189) [system] ')'==q
   Call: (189) [system] get_char((0x56051b6b4f40), q)
   Exit: (189) [system] get_char((0x56051b6b4f40), q)
   Call: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1831528)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1832462)
   Exit: (190) [system] peek_char((0x56051b6b4f40), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1836254, v('(', ')', end_of_file), u)
   Call: (190) [system] ')'==u
   Call: (190) [system] get_char((0x56051b6b4f40), u)
   Exit: (190) [system] get_char((0x56051b6b4f40), u)
   Call: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1840824)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1841758)
   Exit: (191) [system] peek_char((0x56051b6b4f40), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1845550, v('(', ')', end_of_file), e)
   Call: (191) [system] ')'==e
   Call: (191) [system] get_char((0x56051b6b4f40), e)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1850120)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1851054)
   Exit: (192) [system] peek_char((0x56051b6b4f40), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1854846, v('(', ')', end_of_file), r)
   Call: (192) [system] ')'==r
   Call: (192) [system] get_char((0x56051b6b4f40), r)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1859416)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1860350)
   Exit: (193) [system] peek_char((0x56051b6b4f40), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1864142, v('(', ')', end_of_file), y)
   Call: (193) [system] ')'==y
   Call: (193) [system] get_char((0x56051b6b4f40), y)
   Exit: (193) [system] get_char((0x56051b6b4f40), y)
   Call: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1868712)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1869646)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1868712=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1859416=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (192) [system] _1850120=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (191) [system] _1840824=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (190) [system] _1831528=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (189) [system] _1822232=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1801688)
   Call: (189) [system] atom_chars(_1892900, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _1897564)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1899422)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1906232)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1908936)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1918328)
   Exit: (187) [system] peek_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _1922042)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1923900)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _1932368)
   Exit: (188) [system] get_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _1922042)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1942586)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1943520)
   Exit: (190) [system] peek_char((0x56051b6b4f40), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1947312, v('(', ')', end_of_file), k)
   Call: (190) [system] ')'==k
   Call: (190) [system] get_char((0x56051b6b4f40), k)
   Exit: (190) [system] get_char((0x56051b6b4f40), k)
   Call: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1951882)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1952816)
   Exit: (191) [system] peek_char((0x56051b6b4f40), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1956608, v('(', ')', end_of_file), b)
   Call: (191) [system] ')'==b
   Call: (191) [system] get_char((0x56051b6b4f40), b)
   Exit: (191) [system] get_char((0x56051b6b4f40), b)
   Call: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1961178)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1962112)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1961178=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _1951882=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (190) [system] _1942586=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _1922042)
   Call: (190) [system] atom_chars(_1976984, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1981648)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1983506)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1990316)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1993020)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _2002412)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _2006126)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _2007984)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _2016452)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _2006126)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2026670)
   Call: (191) [system] peek_char((0x56051b6b4f40), _2027604)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_2031396, v('(', ')', end_of_file), r)
   Call: (191) [system] ')'==r
   Call: (191) [system] get_char((0x56051b6b4f40), r)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2035966)
   Call: (192) [system] peek_char((0x56051b6b4f40), _2036900)
   Exit: (192) [system] peek_char((0x56051b6b4f40), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_2040692, v('(', ')', end_of_file), b)
   Call: (192) [system] ')'==b
   Call: (192) [system] get_char((0x56051b6b4f40), b)
   Exit: (192) [system] get_char((0x56051b6b4f40), b)
   Call: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2045262)
   Call: (193) [system] peek_char((0x56051b6b4f40), _2046196)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _2045262=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (192) [system] _2035966=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (191) [system] _2026670=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _2006126)
   Call: (191) [system] atom_chars(_2061068, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _2065732)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _2067590)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _2074400)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _2077104)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _2086496)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _2090210)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _2092068)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _7544)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _3402)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _13114)
   Exit: (192) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (192) [system] 'S'=(;)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _21582)
   Exit: (191) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _25296)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _27154)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (193) [system] 'S'=(;)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _35622)
   Exit: (192) [system] get_char((0x56051b6b4f40), 'S')
   Call: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'S', _25296)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _45840)
   Call: (194) [system] peek_char((0x56051b6b4f40), _46774)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _45840=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq('S', [], _25296)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_56084, _56086), once(user:catch(read_from_chars(['S'], _25296), _56060, fail)), '$restore_trace'(_56084, _56086))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_56084, _56086))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _25296), _56060, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_25296)
   Call: (194) [system] atom_chars(_25296, ['S'])
   Exit: (194) [system] atom_chars('S', ['S'])
^  Exit: (193) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), 'S')
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _64536)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _66394)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _73204)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _75908)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _85300)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _89014)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _90872)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _99340)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _89014)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _109558)
   Call: (195) [system] peek_char((0x56051b6b4f40), _110492)
   Exit: (195) [system] peek_char((0x56051b6b4f40), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_114284, v('(', ')', end_of_file), k)
   Call: (195) [system] ')'==k
   Call: (195) [system] get_char((0x56051b6b4f40), k)
   Exit: (195) [system] get_char((0x56051b6b4f40), k)
   Call: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _118854)
   Call: (196) [system] peek_char((0x56051b6b4f40), _119788)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_123580, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _118854=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _109558=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (194) [user] classify_and_convert_charseq($, [k], _89014)
   Call: (195) [system] atom_chars(_132810, ['_', k])
   Exit: (195) [system] atom_chars('_k', ['_', k])
^  Exit: (194) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _137474)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _139332)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _147800)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _151590)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _137474=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _64536=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (191) [system] _3402=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), ['S', _k])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _162678)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _164536)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
   Call: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _173004)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x56051b6b4f40), _176794)
   Exit: (190) [system] get_char((0x56051b6b4f40), ')')
   Call: (190) [system] _162678=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (189) [system] _3398=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [['S', _k]])
   Call: (188) [system] _3388=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_rb, ['S', _k]])
   Call: (187) [system] _3378=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _3368=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _3360=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _196264)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _198122)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x56051b6b4f40), _205738)
   Exit: (185) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _208442)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x56051b6b4f40), _215252)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _217956)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _224766)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _227470)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _234280)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _236984)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _249148)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _252862)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _254720)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _263188)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _252862)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _268758)
   Exit: (187) [system] peek_char((0x56051b6b4f40), l)
   Call: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _277226)
   Exit: (186) [system] peek_char((0x56051b6b4f40), l)
   Call: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _280940)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _282798)
   Exit: (188) [system] peek_char((0x56051b6b4f40), l)
   Call: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _291266)
   Exit: (187) [system] get_char((0x56051b6b4f40), l)
   Call: (187) [system] l='('
   Call: (187) [system] l='['
   Call: (187) [system] l='{'
   Call: (187) [system] l='"'
   Call: (187) [system] l=!
   Call: (187) [system] l='\''
   Call: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, _280940)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _301484)
   Call: (189) [system] peek_char((0x56051b6b4f40), _302418)
   Exit: (189) [system] peek_char((0x56051b6b4f40), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_306210, v('(', ')', end_of_file), e)
   Call: (189) [system] ')'==e
   Call: (189) [system] get_char((0x56051b6b4f40), e)
   Exit: (189) [system] get_char((0x56051b6b4f40), e)
   Call: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _310780)
   Call: (190) [system] peek_char((0x56051b6b4f40), _311714)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_315506, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _320076)
   Call: (191) [system] peek_char((0x56051b6b4f40), _321010)
   Exit: (191) [system] peek_char((0x56051b6b4f40), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_324802, v('(', ')', end_of_file), *)
   Call: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x56051b6b4f40), *)
   Exit: (191) [system] get_char((0x56051b6b4f40), *)
   Call: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _329372)
   Call: (192) [system] peek_char((0x56051b6b4f40), _330306)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _329372=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _320076=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [*])
   Call: (190) [system] _310780=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, *])
   Call: (189) [system] _301484=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t, *], _280940)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_347998, _348000), once(user:catch(read_from_chars([l, e, t, *], _280940), _347974, fail)), '$restore_trace'(_347998, _348000))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_347998, _348000))
   Call: (189) [system] atom_chars(_3430, [l, e, t, *])
   Exit: (189) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), 'let*')
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _8202)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _10060)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _16870)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _19574)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _28966)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _32680)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _34538)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _43006)
   Exit: (188) [system] get_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _32680)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _48576)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _57044)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _60758)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _62616)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _71084)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _60758)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _76654)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _85122)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _88836)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _90694)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _99162)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _88836)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _104732)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _113200)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _116914)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _118772)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _127240)
   Exit: (194) [system] get_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, _116914)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _137458)
   Call: (196) [system] peek_char((0x56051b6b4f40), _138392)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _137458=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _116914)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_147702, _147704), once(user:catch(read_from_chars([:], _116914), _147678, fail)), '$restore_trace'(_147702, _147704))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_147702, _147704))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _147678, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _155202)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _157060)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _163870)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _166574)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _175966)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _179680)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _181538)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _190006)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _179680)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _200224)
   Call: (197) [system] peek_char((0x56051b6b4f40), _201158)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_204950, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _209520)
   Call: (198) [system] peek_char((0x56051b6b4f40), _210454)
   Exit: (198) [system] peek_char((0x56051b6b4f40), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_214246, v('(', ')', end_of_file), u)
   Call: (198) [system] ')'==u
   Call: (198) [system] get_char((0x56051b6b4f40), u)
   Exit: (198) [system] get_char((0x56051b6b4f40), u)
   Call: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _218816)
   Call: (199) [system] peek_char((0x56051b6b4f40), _219750)
   Exit: (199) [system] peek_char((0x56051b6b4f40), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_223542, v('(', ')', end_of_file), c)
   Call: (199) [system] ')'==c
   Call: (199) [system] get_char((0x56051b6b4f40), c)
   Exit: (199) [system] get_char((0x56051b6b4f40), c)
   Call: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _228112)
   Call: (200) [system] peek_char((0x56051b6b4f40), _229046)
   Exit: (200) [system] peek_char((0x56051b6b4f40), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_232838, v('(', ')', end_of_file), t)
   Call: (200) [system] ')'==t
   Call: (200) [system] get_char((0x56051b6b4f40), t)
   Exit: (200) [system] get_char((0x56051b6b4f40), t)
   Call: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _237408)
   Call: (201) [system] peek_char((0x56051b6b4f40), _238342)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_242134, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _246704)
   Call: (202) [system] peek_char((0x56051b6b4f40), _247638)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_251430, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256000)
   Call: (203) [system] peek_char((0x56051b6b4f40), _256934)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _256000=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _246704=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
   Call: (201) [system] _237408=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, r])
   Call: (200) [system] _228112=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, r])
   Call: (199) [system] _218816=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, o, r])
   Call: (198) [system] _209520=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, o, r])
   Call: (197) [system] _200224=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _179680)
   Call: (197) [system] atom_chars(_282982, ['_', r, u, c, t, o, r])
   Exit: (197) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _ructor)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _287646)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _289504)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _296314)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _299018)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _308410)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _312124)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _313982)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _322450)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _312124)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _328020)
   Exit: (198) [system] peek_char((0x56051b6b4f40), -)
   Call: (198) [system] (-)=(;)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _336488)
   Exit: (197) [system] peek_char((0x56051b6b4f40), -)
   Call: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _340202)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _342060)
   Exit: (199) [system] peek_char((0x56051b6b4f40), -)
   Call: (199) [system] (-)=(;)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _350528)
   Exit: (198) [system] get_char((0x56051b6b4f40), -)
   Call: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), -, _340202)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _360746)
   Call: (200) [system] peek_char((0x56051b6b4f40), _361680)
   Exit: (200) [system] peek_char((0x56051b6b4f40), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_365472, v('(', ')', end_of_file), >)
   Call: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x56051b6b4f40), >)
   Exit: (200) [system] get_char((0x56051b6b4f40), >)
   Call: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _370042)
   Call: (201) [system] peek_char((0x56051b6b4f40), _370976)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _370042=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _360746=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (199) [user] classify_and_convert_charseq(-, [>], _340202)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_383080, _383082), once(user:catch(read_from_chars([-, >], _340202), _383056, fail)), '$restore_trace'(_383080, _383082))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_383080, _383082))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _383056, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(->)
   Exit: (200) [system] atomic(->)
^  Exit: (199) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _390580)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _392438)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _399248)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _401952)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _411344)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _415058)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _416916)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _425384)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _415058)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _435602)
   Call: (201) [system] peek_char((0x56051b6b4f40), _436536)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_440328, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _444898)
   Call: (202) [system] peek_char((0x56051b6b4f40), _445832)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_449624, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454194)
   Call: (203) [system] peek_char((0x56051b6b4f40), _455128)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_458920, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _463490)
   Call: (204) [system] peek_char((0x56051b6b4f40), _464424)
   Exit: (204) [system] peek_char((0x56051b6b4f40), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_468216, v('(', ')', end_of_file), m)
   Call: (204) [system] ')'==m
   Call: (204) [system] get_char((0x56051b6b4f40), m)
   Exit: (204) [system] get_char((0x56051b6b4f40), m)
   Call: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _472786)
   Call: (205) [system] peek_char((0x56051b6b4f40), _473720)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_477512, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _482082)
   Call: (206) [system] peek_char((0x56051b6b4f40), _483016)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_486808, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _491378)
   Call: (207) [system] peek_char((0x56051b6b4f40), _492312)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_496104, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _500674)
   Call: (208) [system] peek_char((0x56051b6b4f40), _501608)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_505400, v('(', ')', end_of_file), '1')
   Call: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x56051b6b4f40), '1')
   Exit: (208) [system] get_char((0x56051b6b4f40), '1')
   Call: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _509970)
   Call: (209) [system] peek_char((0x56051b6b4f40), _510904)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _509970=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _500674=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (207) [system] _491378=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (206) [system] _482082=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (205) [system] _472786=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (204) [system] _463490=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (203) [system] _454194=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (202) [system] _444898=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _435602=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _415058)
   Call: (201) [system] atom_chars(_542540, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _547204)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _549062)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _555872)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _558576)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _567968)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _571682)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _573540)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _582008)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _571682)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592226)
   Call: (202) [system] peek_char((0x56051b6b4f40), _593160)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_596952, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _601522)
   Call: (203) [system] peek_char((0x56051b6b4f40), _602456)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_606248, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _610818)
   Call: (204) [system] peek_char((0x56051b6b4f40), _611752)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_615544, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620114)
   Call: (205) [system] peek_char((0x56051b6b4f40), _621048)
   Exit: (205) [system] peek_char((0x56051b6b4f40), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_624840, v('(', ')', end_of_file), m)
   Call: (205) [system] ')'==m
   Call: (205) [system] get_char((0x56051b6b4f40), m)
   Exit: (205) [system] get_char((0x56051b6b4f40), m)
   Call: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _629410)
   Call: (206) [system] peek_char((0x56051b6b4f40), _630344)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_634136, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638706)
   Call: (207) [system] peek_char((0x56051b6b4f40), _639640)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_643432, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _648002)
   Call: (208) [system] peek_char((0x56051b6b4f40), _648936)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_652728, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657298)
   Call: (209) [system] peek_char((0x56051b6b4f40), _658232)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_662024, v('(', ')', end_of_file), '2')
   Call: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x56051b6b4f40), '2')
   Exit: (209) [system] get_char((0x56051b6b4f40), '2')
   Call: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666594)
   Call: (210) [system] peek_char((0x56051b6b4f40), _667528)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _666594=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _657298=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (208) [system] _648002=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (207) [system] _638706=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (206) [system] _629410=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (205) [system] _620114=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (204) [system] _610818=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (203) [system] _601522=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _592226=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _571682)
   Call: (202) [system] atom_chars(_699164, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _703828)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _705686)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _712496)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _715200)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _724592)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _728306)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _730164)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _738632)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _728306)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _748850)
   Call: (203) [system] peek_char((0x56051b6b4f40), _749784)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_753576, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _758146)
   Call: (204) [system] peek_char((0x56051b6b4f40), _759080)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_762872, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _767442)
   Call: (205) [system] peek_char((0x56051b6b4f40), _768376)
   Exit: (205) [system] peek_char((0x56051b6b4f40), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_772168, v('(', ')', end_of_file), e)
   Call: (205) [system] ')'==e
   Call: (205) [system] get_char((0x56051b6b4f40), e)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _776738)
   Call: (206) [system] peek_char((0x56051b6b4f40), _777672)
   Exit: (206) [system] peek_char((0x56051b6b4f40), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_781464, v('(', ')', end_of_file), m)
   Call: (206) [system] ')'==m
   Call: (206) [system] get_char((0x56051b6b4f40), m)
   Exit: (206) [system] get_char((0x56051b6b4f40), m)
   Call: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _786034)
   Call: (207) [system] peek_char((0x56051b6b4f40), _786968)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_790760, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _795330)
   Call: (208) [system] peek_char((0x56051b6b4f40), _796264)
   Exit: (208) [system] peek_char((0x56051b6b4f40), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_800056, v('(', ')', end_of_file), s)
   Call: (208) [system] ')'==s
   Call: (208) [system] get_char((0x56051b6b4f40), s)
   Exit: (208) [system] get_char((0x56051b6b4f40), s)
   Call: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _804626)
   Call: (209) [system] peek_char((0x56051b6b4f40), _805560)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_809352, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _813922)
   Call: (210) [system] peek_char((0x56051b6b4f40), _814856)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_818648, v('(', ')', end_of_file), '3')
   Call: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x56051b6b4f40), '3')
   Exit: (210) [system] get_char((0x56051b6b4f40), '3')
   Call: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _823218)
   Call: (211) [system] peek_char((0x56051b6b4f40), _824152)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _823218=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _813922=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (209) [system] _804626=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '3'])
   Call: (208) [system] _795330=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '3'])
   Call: (207) [system] _786034=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '3'])
   Call: (206) [system] _776738=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '3'])
   Call: (205) [system] _767442=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '3'])
   Call: (204) [system] _758146=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _748850=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _728306)
   Call: (203) [system] atom_chars(_855788, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _premise3)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _860452)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _862310)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _869120)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _871824)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _881216)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _884930)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _886788)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _895256)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _884930)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _905474)
   Call: (204) [system] peek_char((0x56051b6b4f40), _906408)
   Exit: (204) [system] peek_char((0x56051b6b4f40), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_910200, v('(', ')', end_of_file), c)
   Call: (204) [system] ')'==c
   Call: (204) [system] get_char((0x56051b6b4f40), c)
   Exit: (204) [system] get_char((0x56051b6b4f40), c)
   Call: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _914770)
   Call: (205) [system] peek_char((0x56051b6b4f40), _915704)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_919496, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _924066)
   Call: (206) [system] peek_char((0x56051b6b4f40), _925000)
   Exit: (206) [system] peek_char((0x56051b6b4f40), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_928792, v('(', ')', end_of_file), n)
   Call: (206) [system] ')'==n
   Call: (206) [system] get_char((0x56051b6b4f40), n)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _933362)
   Call: (207) [system] peek_char((0x56051b6b4f40), _934296)
   Exit: (207) [system] peek_char((0x56051b6b4f40), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_938088, v('(', ')', end_of_file), c)
   Call: (207) [system] ')'==c
   Call: (207) [system] get_char((0x56051b6b4f40), c)
   Exit: (207) [system] get_char((0x56051b6b4f40), c)
   Call: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _942658)
   Call: (208) [system] peek_char((0x56051b6b4f40), _943592)
   Exit: (208) [system] peek_char((0x56051b6b4f40), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_947384, v('(', ')', end_of_file), l)
   Call: (208) [system] ')'==l
   Call: (208) [system] get_char((0x56051b6b4f40), l)
   Exit: (208) [system] get_char((0x56051b6b4f40), l)
   Call: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _951954)
   Call: (209) [system] peek_char((0x56051b6b4f40), _952888)
   Exit: (209) [system] peek_char((0x56051b6b4f40), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_956680, v('(', ')', end_of_file), u)
   Call: (209) [system] ')'==u
   Call: (209) [system] get_char((0x56051b6b4f40), u)
   Exit: (209) [system] get_char((0x56051b6b4f40), u)
   Call: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _961250)
   Call: (210) [system] peek_char((0x56051b6b4f40), _962184)
   Exit: (210) [system] peek_char((0x56051b6b4f40), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_965976, v('(', ')', end_of_file), s)
   Call: (210) [system] ')'==s
   Call: (210) [system] get_char((0x56051b6b4f40), s)
   Exit: (210) [system] get_char((0x56051b6b4f40), s)
   Call: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _970546)
   Call: (211) [system] peek_char((0x56051b6b4f40), _971480)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_975272, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _979842)
   Call: (212) [system] peek_char((0x56051b6b4f40), _980776)
   Exit: (212) [system] peek_char((0x56051b6b4f40), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_984568, v('(', ')', end_of_file), o)
   Call: (212) [system] ')'==o
   Call: (212) [system] get_char((0x56051b6b4f40), o)
   Exit: (212) [system] get_char((0x56051b6b4f40), o)
   Call: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _989138)
   Call: (213) [system] peek_char((0x56051b6b4f40), _990072)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_993864, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _998434)
   Call: (214) [system] peek_char((0x56051b6b4f40), _999368)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1003160, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _998434=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _989138=[n]
   Exit: (213) [system] [n]=[n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (212) [system] _979842=[o, n]
   Exit: (212) [system] [o, n]=[o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (211) [system] _970546=[i, o, n]
   Exit: (211) [system] [i, o, n]=[i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (210) [system] _961250=[s, i, o, n]
   Exit: (210) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, o, n])
   Call: (209) [system] _951954=[u, s, i, o, n]
   Exit: (209) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, i, o, n])
   Call: (208) [system] _942658=[l, u, s, i, o, n]
   Exit: (208) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, u, s, i, o, n])
   Call: (207) [system] _933362=[c, l, u, s, i, o, n]
   Exit: (207) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, l, u, s, i, o, n])
   Call: (206) [system] _924066=[n, c, l, u, s, i, o, n]
   Exit: (206) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, l, u, s, i, o, n])
   Call: (205) [system] _914770=[o, n, c, l, u, s, i, o, n]
   Exit: (205) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, c, l, u, s, i, o, n])
   Call: (204) [system] _905474=[c, o, n, c, l, u, s, i, o, n]
   Exit: (204) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, o, n, c, l, u, s, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _884930)
   Call: (204) [system] atom_chars(_1037536, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (204) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _conclusion)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _conclusion)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1042200)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1044058)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1052526)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1056316)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1042200=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _860452=[_conclusion]
   Exit: (201) [system] [_conclusion]=[_conclusion]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_conclusion])
   Call: (200) [system] _703828=[_premise3, _conclusion]
   Exit: (200) [system] [_premise3, _conclusion]=[_premise3, _conclusion]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_premise3, _conclusion])
   Call: (199) [system] _547204=[_premise2, _premise3, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _conclusion]=[_premise2, _premise3, _conclusion]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_premise2, _premise3, _conclusion])
   Call: (198) [system] _390580=[_premise1, _premise2, _premise3, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _conclusion]=[_premise1, _premise2, _premise3, _conclusion]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_premise1, _premise2, _premise3, _conclusion])
   Call: (197) [system] _312124=[->, _premise1, _premise2, _premise3, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _conclusion]=[->, _premise1, _premise2, _premise3, _conclusion]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [->, _premise1, _premise2, _premise3, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [->, _premise1, _premise2, _premise3, _conclusion])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1075786)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1077644)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1086112)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1089902)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1075786=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _287646=[[->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _conclusion]]=[[->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (194) [system] _155202=[_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (193) [system] _88836=[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1103784)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1105642)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1112452)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1115156)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1124548)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1128262)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1130120)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1138588)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1128262)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1144158)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1152626)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1156340)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1158198)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1166666)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _1156340)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1176884)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1177818)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1181610, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1186180)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1187114)
   Exit: (198) [system] peek_char((0x56051b6b4f40), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1190906, v('(', ')', end_of_file), b)
   Call: (198) [system] ')'==b
   Call: (198) [system] get_char((0x56051b6b4f40), b)
   Exit: (198) [system] get_char((0x56051b6b4f40), b)
   Call: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1195476)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1196410)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1200202, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1195476=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1186180=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (197) [system] _1176884=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (196) [user] classify_and_convert_charseq($, [r, b], _1156340)
   Call: (197) [system] atom_chars(_1212226, ['_', r, b])
   Exit: (197) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1216890)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1218748)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1227216)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _1231006)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _1216890=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _1128262=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [_rb])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1239300)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1241158)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1249626)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _1253416)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _1239300=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _1103784=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[_rb]])
   Call: (191) [system] _60758=[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1264504)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1266362)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x56051b6b4f40), _1273978)
   Exit: (191) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1276682)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1283492)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1286196)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1293006)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1295710)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1302520)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1305224)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1312034)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1314738)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1321548)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1324252)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1331062)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1333766)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1340576)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1343280)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1350090)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1352794)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1359604)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1362308)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1369118)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1371822)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1390454)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1394168)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1396026)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _1404494)
   Exit: (191) [system] get_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1394168)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1410064)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1418532)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1422246)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1424104)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1432572)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1422246)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1438142)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1446610)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1450324)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1452182)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1460650)
   Exit: (195) [system] get_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, _1450324)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1470868)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1471802)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1470868=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _1450324)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1481112, _1481114), once(user:catch(read_from_chars([:], _1450324), _1481088, fail)), '$restore_trace'(_1481112, _1481114))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1481112, _1481114))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1481088, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1488612)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1490470)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1497280)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1499984)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1509376)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1513090)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1514948)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1523416)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1513090)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1528986)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1537454)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1541168)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1543026)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1551494)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _1541168)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1561712)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1562646)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1566438, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1571008)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1571942)
   Exit: (201) [system] peek_char((0x56051b6b4f40), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1575734, v('(', ')', end_of_file), u)
   Call: (201) [system] ')'==u
   Call: (201) [system] get_char((0x56051b6b4f40), u)
   Exit: (201) [system] get_char((0x56051b6b4f40), u)
   Call: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1580304)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1581238)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1585030, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1589600)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1590534)
   Exit: (203) [system] peek_char((0x56051b6b4f40), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1594326, v('(', ')', end_of_file), t)
   Call: (203) [system] ')'==t
   Call: (203) [system] get_char((0x56051b6b4f40), t)
   Exit: (203) [system] get_char((0x56051b6b4f40), t)
   Call: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1598896)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1599830)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1603622, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1608192)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1609126)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1612918, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1617488)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1618422)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1617488=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1608192=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
   Call: (204) [system] _1598896=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, r])
   Call: (203) [system] _1589600=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, r])
   Call: (202) [system] _1580304=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, o, r])
   Call: (201) [system] _1571008=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, o, r])
   Call: (200) [system] _1561712=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _1541168)
   Call: (200) [system] atom_chars(_1644470, ['_', r, u, c, t, o, r])
   Exit: (200) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _ructor)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1649134)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1650992)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1657802)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1660506)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1669898)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1673612)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1675470)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1683938)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1673612)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1694156)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1695090)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1698882, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1703452)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1704386)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1708178, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1712748)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1713682)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1717474, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1722044)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1722978)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1726770, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1731340)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1732274)
   Exit: (205) [system] peek_char((0x56051b6b4f40), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1736066, v('(', ')', end_of_file), f)
   Call: (205) [system] ')'==f
   Call: (205) [system] get_char((0x56051b6b4f40), f)
   Exit: (205) [system] get_char((0x56051b6b4f40), f)
   Call: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1740636)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1741570)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_1745362, v('(', ')', end_of_file), '1')
   Call: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x56051b6b4f40), '1')
   Exit: (206) [system] get_char((0x56051b6b4f40), '1')
   Call: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1749932)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1750866)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1749932=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1740636=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (205) [system] _1731340=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (204) [system] _1722044=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (203) [system] _1712748=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (202) [system] _1703452=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (201) [system] _1694156=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1673612)
   Call: (201) [system] atom_chars(_1776914, ['_', p, r, o, o, f, '1'])
   Exit: (201) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1781578)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1783436)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1790246)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1792950)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1802342)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1806056)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1807914)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1816382)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1806056)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1826600)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1827534)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1831326, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1835896)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1836830)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1840622, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1845192)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1846126)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1849918, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1854488)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1855422)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1859214, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1863784)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1864718)
   Exit: (206) [system] peek_char((0x56051b6b4f40), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_1868510, v('(', ')', end_of_file), f)
   Call: (206) [system] ')'==f
   Call: (206) [system] get_char((0x56051b6b4f40), f)
   Exit: (206) [system] get_char((0x56051b6b4f40), f)
   Call: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1873080)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1874014)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_1877806, v('(', ')', end_of_file), '2')
   Call: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x56051b6b4f40), '2')
   Exit: (207) [system] get_char((0x56051b6b4f40), '2')
   Call: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1882376)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1883310)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1882376=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1873080=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (206) [system] _1863784=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (205) [system] _1854488=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (204) [system] _1845192=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (203) [system] _1835896=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (202) [system] _1826600=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _1806056)
   Call: (202) [system] atom_chars(_1909358, ['_', p, r, o, o, f, '2'])
   Exit: (202) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1914022)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1915880)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1922690)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1925394)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1934786)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1938500)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1940358)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1948826)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1938500)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959044)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1959978)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1963770, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1968340)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1969274)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1973066, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1977636)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1978570)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1982362, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1986932)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1987866)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1991658, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1996228)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1997162)
   Exit: (207) [system] peek_char((0x56051b6b4f40), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_2000954, v('(', ')', end_of_file), f)
   Call: (207) [system] ')'==f
   Call: (207) [system] get_char((0x56051b6b4f40), f)
   Exit: (207) [system] get_char((0x56051b6b4f40), f)
   Call: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2005524)
   Call: (208) [system] peek_char((0x56051b6b4f40), _2006458)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_2010250, v('(', ')', end_of_file), '3')
   Call: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x56051b6b4f40), '3')
   Exit: (208) [system] get_char((0x56051b6b4f40), '3')
   Call: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2014820)
   Call: (209) [system] peek_char((0x56051b6b4f40), _2015754)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_2019546, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _2014820=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _2005524=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (207) [system] _1996228=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '3'])
   Call: (206) [system] _1986932=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '3'])
   Call: (205) [system] _1977636=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '3'])
   Call: (204) [system] _1968340=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '3'])
   Call: (203) [system] _1959044=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _1938500)
   Call: (203) [system] atom_chars(_2042746, ['_', p, r, o, o, f, '3'])
   Exit: (203) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _proof3)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _2047410)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _2049268)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _2057736)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _2061526)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _2047410=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1914022=[_proof3]
   Exit: (200) [system] [_proof3]=[_proof3]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_proof3])
   Call: (199) [system] _1781578=[_proof2, _proof3]
   Exit: (199) [system] [_proof2, _proof3]=[_proof2, _proof3]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_proof2, _proof3])
   Call: (198) [system] _1649134=[_proof1, _proof2, _proof3]
   Exit: (198) [system] [_proof1, _proof2, _proof3]=[_proof1, _proof2, _proof3]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_proof1, _proof2, _proof3])
   Call: (197) [system] _1513090=[_ructor, _proof1, _proof2, _proof3]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3]=[_ructor, _proof1, _proof2, _proof3]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_ructor, _proof1, _proof2, _proof3])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [_ructor, _proof1, _proof2, _proof3])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _2078202)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2080060)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _2086870)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _2089574)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _5804)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _9518)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _11376)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _19844)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _9518)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _30062)
   Call: (199) [system] peek_char((0x56051b6b4f40), _30996)
   Exit: (199) [system] peek_char((0x56051b6b4f40), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_34788, v('(', ')', end_of_file), c)
   Call: (199) [system] ')'==c
   Call: (199) [system] get_char((0x56051b6b4f40), c)
   Exit: (199) [system] get_char((0x56051b6b4f40), c)
   Call: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _39358)
   Call: (200) [system] peek_char((0x56051b6b4f40), _40292)
   Exit: (200) [system] peek_char((0x56051b6b4f40), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_44084, v('(', ')', end_of_file), o)
   Call: (200) [system] ')'==o
   Call: (200) [system] get_char((0x56051b6b4f40), o)
   Exit: (200) [system] get_char((0x56051b6b4f40), o)
   Call: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _48654)
   Call: (201) [system] peek_char((0x56051b6b4f40), _49588)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_53380, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _57950)
   Call: (202) [system] peek_char((0x56051b6b4f40), _58884)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_62676, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _67246)
   Call: (203) [system] peek_char((0x56051b6b4f40), _68180)
   Exit: (203) [system] peek_char((0x56051b6b4f40), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_71972, v('(', ')', end_of_file), l)
   Call: (203) [system] ')'==l
   Call: (203) [system] get_char((0x56051b6b4f40), l)
   Exit: (203) [system] get_char((0x56051b6b4f40), l)
   Call: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _76542)
   Call: (204) [system] peek_char((0x56051b6b4f40), _77476)
   Exit: (204) [system] peek_char((0x56051b6b4f40), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_81268, v('(', ')', end_of_file), u)
   Call: (204) [system] ')'==u
   Call: (204) [system] get_char((0x56051b6b4f40), u)
   Exit: (204) [system] get_char((0x56051b6b4f40), u)
   Call: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _85838)
   Call: (205) [system] peek_char((0x56051b6b4f40), _86772)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_90564, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _95134)
   Call: (206) [system] peek_char((0x56051b6b4f40), _96068)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_99860, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _104430)
   Call: (207) [system] peek_char((0x56051b6b4f40), _105364)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_109156, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _113726)
   Call: (208) [system] peek_char((0x56051b6b4f40), _114660)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_118452, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _123022)
   Call: (209) [system] peek_char((0x56051b6b4f40), _123956)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_127748, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _123022=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _113726=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (207) [system] _104430=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (206) [system] _95134=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (205) [system] _85838=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, o, n])
   Call: (204) [system] _76542=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, i, o, n])
   Call: (203) [system] _67246=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, u, s, i, o, n])
   Call: (202) [system] _57950=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, l, u, s, i, o, n])
   Call: (201) [system] _48654=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _39358=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _30062=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _9518)
   Call: (199) [system] atom_chars(_162124, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (199) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _conclusion)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _166788)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _168646)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _177114)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _180904)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _166788=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _3598=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_conclusion])
   Call: (195) [system] _3552=[[_ructor, _proof1, _proof2, _proof3], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3], _conclusion]=[[_ructor, _proof1, _proof2, _proof3], _conclusion]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[_ructor, _proof1, _proof2, _proof3], _conclusion])
   Call: (194) [system] _3544=[:, [_ructor, _proof1, _proof2, _proof3], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3], _conclusion]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _194786)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _196644)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _203454)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _206158)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _215550)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _219264)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _221122)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _229590)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _219264)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _239808)
   Call: (196) [system] peek_char((0x56051b6b4f40), _240742)
   Exit: (196) [system] peek_char((0x56051b6b4f40), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_244534, v('(', ')', end_of_file), q)
   Call: (196) [system] ')'==q
   Call: (196) [system] get_char((0x56051b6b4f40), q)
   Exit: (196) [system] get_char((0x56051b6b4f40), q)
   Call: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _249104)
   Call: (197) [system] peek_char((0x56051b6b4f40), _250038)
   Exit: (197) [system] peek_char((0x56051b6b4f40), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_253830, v('(', ')', end_of_file), u)
   Call: (197) [system] ')'==u
   Call: (197) [system] get_char((0x56051b6b4f40), u)
   Exit: (197) [system] get_char((0x56051b6b4f40), u)
   Call: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _258400)
   Call: (198) [system] peek_char((0x56051b6b4f40), _259334)
   Exit: (198) [system] peek_char((0x56051b6b4f40), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_263126, v('(', ')', end_of_file), e)
   Call: (198) [system] ')'==e
   Call: (198) [system] get_char((0x56051b6b4f40), e)
   Exit: (198) [system] get_char((0x56051b6b4f40), e)
   Call: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _267696)
   Call: (199) [system] peek_char((0x56051b6b4f40), _268630)
   Exit: (199) [system] peek_char((0x56051b6b4f40), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_272422, v('(', ')', end_of_file), r)
   Call: (199) [system] ')'==r
   Call: (199) [system] get_char((0x56051b6b4f40), r)
   Exit: (199) [system] get_char((0x56051b6b4f40), r)
   Call: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _276992)
   Call: (200) [system] peek_char((0x56051b6b4f40), _277926)
   Exit: (200) [system] peek_char((0x56051b6b4f40), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_281718, v('(', ')', end_of_file), y)
   Call: (200) [system] ')'==y
   Call: (200) [system] get_char((0x56051b6b4f40), y)
   Exit: (200) [system] get_char((0x56051b6b4f40), y)
   Call: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _286288)
   Call: (201) [system] peek_char((0x56051b6b4f40), _287222)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_291014, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _286288=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _276992=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (199) [system] _267696=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (198) [system] _258400=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (197) [system] _249104=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (196) [system] _239808=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _219264)
   Call: (196) [system] atom_chars(_311420, ['_', q, u, e, r, y])
   Exit: (196) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _316084)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _317942)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _326410)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _330200)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _316084=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _194786=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (192) [system] _3538=[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _341288)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _343146)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x56051b6b4f40), _350762)
   Exit: (192) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _353466)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _360276)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _362980)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _369790)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _372494)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _379304)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _382008)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _388818)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _391522)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _398332)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _401036)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _407846)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _410550)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _417360)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _420064)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _426874)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _429578)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _436388)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _439092)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _445902)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _448606)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _467238)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _470952)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _472810)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _481278)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _470952)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _486848)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _495316)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _499030)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _500888)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _509356)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _499030)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _514926)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _523394)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _527108)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _528966)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _537434)
   Exit: (196) [system] get_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, _527108)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _547652)
   Call: (198) [system] peek_char((0x56051b6b4f40), _548586)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _547652=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _527108)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_557896, _557898), once(user:catch(read_from_chars([:], _527108), _557872, fail)), '$restore_trace'(_557896, _557898))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_557896, _557898))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _557872, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _565396)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _567254)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _574064)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _576768)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _586160)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _589874)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _591732)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _600200)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _589874)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _610418)
   Call: (199) [system] peek_char((0x56051b6b4f40), _611352)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_615144, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _619714)
   Call: (200) [system] peek_char((0x56051b6b4f40), _620648)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_624440, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _629010)
   Call: (201) [system] peek_char((0x56051b6b4f40), _629944)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_633736, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638306)
   Call: (202) [system] peek_char((0x56051b6b4f40), _639240)
   Exit: (202) [system] peek_char((0x56051b6b4f40), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_643032, v('(', ')', end_of_file), o)
   Call: (202) [system] ')'==o
   Call: (202) [system] get_char((0x56051b6b4f40), o)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _647602)
   Call: (203) [system] peek_char((0x56051b6b4f40), _648536)
   Exit: (203) [system] peek_char((0x56051b6b4f40), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_652328, v('(', ')', end_of_file), f)
   Call: (203) [system] ')'==f
   Call: (203) [system] get_char((0x56051b6b4f40), f)
   Exit: (203) [system] get_char((0x56051b6b4f40), f)
   Call: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _656898)
   Call: (204) [system] peek_char((0x56051b6b4f40), _657832)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_661624, v('(', ')', end_of_file), '1')
   Call: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x56051b6b4f40), '1')
   Exit: (204) [system] get_char((0x56051b6b4f40), '1')
   Call: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666194)
   Call: (205) [system] peek_char((0x56051b6b4f40), _667128)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _666194=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _656898=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (203) [system] _647602=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (202) [system] _638306=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (201) [system] _629010=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (200) [system] _619714=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (199) [system] _610418=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _589874)
   Call: (199) [system] atom_chars(_693176, ['_', p, r, o, o, f, '1'])
   Exit: (199) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _697840)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _699698)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _706508)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _709212)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _718604)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _722318)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _724176)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _732644)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _722318)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _742862)
   Call: (200) [system] peek_char((0x56051b6b4f40), _743796)
   Exit: (200) [system] peek_char((0x56051b6b4f40), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_747588, v('(', ')', end_of_file), p)
   Call: (200) [system] ')'==p
   Call: (200) [system] get_char((0x56051b6b4f40), p)
   Exit: (200) [system] get_char((0x56051b6b4f40), p)
   Call: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _752158)
   Call: (201) [system] peek_char((0x56051b6b4f40), _753092)
   Exit: (201) [system] peek_char((0x56051b6b4f40), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_756884, v('(', ')', end_of_file), r)
   Call: (201) [system] ')'==r
   Call: (201) [system] get_char((0x56051b6b4f40), r)
   Exit: (201) [system] get_char((0x56051b6b4f40), r)
   Call: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _761454)
   Call: (202) [system] peek_char((0x56051b6b4f40), _762388)
   Exit: (202) [system] peek_char((0x56051b6b4f40), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_766180, v('(', ')', end_of_file), e)
   Call: (202) [system] ')'==e
   Call: (202) [system] get_char((0x56051b6b4f40), e)
   Exit: (202) [system] get_char((0x56051b6b4f40), e)
   Call: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _770750)
   Call: (203) [system] peek_char((0x56051b6b4f40), _771684)
   Exit: (203) [system] peek_char((0x56051b6b4f40), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_775476, v('(', ')', end_of_file), m)
   Call: (203) [system] ')'==m
   Call: (203) [system] get_char((0x56051b6b4f40), m)
   Exit: (203) [system] get_char((0x56051b6b4f40), m)
   Call: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _780046)
   Call: (204) [system] peek_char((0x56051b6b4f40), _780980)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_784772, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _789342)
   Call: (205) [system] peek_char((0x56051b6b4f40), _790276)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_794068, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _798638)
   Call: (206) [system] peek_char((0x56051b6b4f40), _799572)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_803364, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _807934)
   Call: (207) [system] peek_char((0x56051b6b4f40), _808868)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_812660, v('(', ')', end_of_file), '1')
   Call: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x56051b6b4f40), '1')
   Exit: (207) [system] get_char((0x56051b6b4f40), '1')
   Call: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _817230)
   Call: (208) [system] peek_char((0x56051b6b4f40), _818164)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_821956, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _817230=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _807934=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (206) [system] _798638=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (205) [system] _789342=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (204) [system] _780046=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (203) [system] _770750=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (202) [system] _761454=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (201) [system] _752158=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _742862=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _722318)
   Call: (200) [system] atom_chars(_850744, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (200) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _855408)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _857266)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _865734)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _869524)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _855408=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _697840=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_premise1])
   Call: (196) [system] _565396=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_proof1, _premise1])
   Call: (195) [system] _499030=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _883406)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _885264)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _892074)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _894778)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _904170)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _907884)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _909742)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _918210)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _907884)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _923780)
   Exit: (197) [system] peek_char((0x56051b6b4f40), s)
   Call: (197) [system] s=(;)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _932248)
   Exit: (196) [system] peek_char((0x56051b6b4f40), s)
   Call: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _935962)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _937820)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _946288)
   Exit: (197) [system] get_char((0x56051b6b4f40), s)
   Call: (197) [system] s='('
   Call: (197) [system] s='['
   Call: (197) [system] s='{'
   Call: (197) [system] s='"'
   Call: (197) [system] s=!
   Call: (197) [system] s='\''
   Call: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), s, _935962)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _956506)
   Call: (199) [system] peek_char((0x56051b6b4f40), _957440)
   Exit: (199) [system] peek_char((0x56051b6b4f40), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_961232, v('(', ')', end_of_file), y)
   Call: (199) [system] ')'==y
   Call: (199) [system] get_char((0x56051b6b4f40), y)
   Exit: (199) [system] get_char((0x56051b6b4f40), y)
   Call: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _965802)
   Call: (200) [system] peek_char((0x56051b6b4f40), _966736)
   Exit: (200) [system] peek_char((0x56051b6b4f40), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_970528, v('(', ')', end_of_file), n)
   Call: (200) [system] ')'==n
   Call: (200) [system] get_char((0x56051b6b4f40), n)
   Exit: (200) [system] get_char((0x56051b6b4f40), n)
   Call: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _975098)
   Call: (201) [system] peek_char((0x56051b6b4f40), _976032)
   Exit: (201) [system] peek_char((0x56051b6b4f40), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_979824, v('(', ')', end_of_file), t)
   Call: (201) [system] ')'==t
   Call: (201) [system] get_char((0x56051b6b4f40), t)
   Exit: (201) [system] get_char((0x56051b6b4f40), t)
   Call: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _984394)
   Call: (202) [system] peek_char((0x56051b6b4f40), _985328)
   Exit: (202) [system] peek_char((0x56051b6b4f40), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_989120, v('(', ')', end_of_file), h)
   Call: (202) [system] ')'==h
   Call: (202) [system] get_char((0x56051b6b4f40), h)
   Exit: (202) [system] get_char((0x56051b6b4f40), h)
   Call: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _993690)
   Call: (203) [system] peek_char((0x56051b6b4f40), _994624)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_998416, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1002986)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1003920)
   Exit: (204) [system] peek_char((0x56051b6b4f40), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1007712, v('(', ')', end_of_file), s)
   Call: (204) [system] ')'==s
   Call: (204) [system] get_char((0x56051b6b4f40), s)
   Exit: (204) [system] get_char((0x56051b6b4f40), s)
   Call: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1012282)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1013216)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1017008, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1021578)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1022512)
   Exit: (206) [system] peek_char((0x56051b6b4f40), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1026304, v('(', ')', end_of_file), z)
   Call: (206) [system] ')'==z
   Call: (206) [system] get_char((0x56051b6b4f40), z)
   Exit: (206) [system] get_char((0x56051b6b4f40), z)
   Call: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1030874)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1031808)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1035600, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1040170)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1041104)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1040170=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1030874=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (206) [system] _1021578=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (205) [system] _1012282=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (204) [system] _1002986=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (203) [system] _993690=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (202) [system] _984394=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (201) [system] _975098=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (200) [system] _965802=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _956506=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _935962)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1075560, _1075562), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _935962), _1075536, fail)), '$restore_trace'(_1075560, _1075562))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1075560, _1075562))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1075536, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(synthesize)
   Exit: (199) [system] atomic(synthesize)
^  Exit: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1083060)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1084918)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1091728)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1094432)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1103824)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1107538)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1109396)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1117864)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1107538)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1123434)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1131902)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1135616)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1137474)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1145942)
   Exit: (200) [system] get_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, _1135616)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1156160)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1157094)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1156160=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _1135616)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1166404, _1166406), once(user:catch(read_from_chars([:], _1135616), _1166380, fail)), '$restore_trace'(_1166404, _1166406))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1166404, _1166406))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1166380, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1173904)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1175762)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1182572)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1185276)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1194668)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1198382)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1200240)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1208708)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1198382)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1218926)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1219860)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1223652, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1228222)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1229156)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1232948, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1237518)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1238452)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1242244, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1246814)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1247748)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1251540, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1256110)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1257044)
   Exit: (207) [system] peek_char((0x56051b6b4f40), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1260836, v('(', ')', end_of_file), f)
   Call: (207) [system] ')'==f
   Call: (207) [system] get_char((0x56051b6b4f40), f)
   Exit: (207) [system] get_char((0x56051b6b4f40), f)
   Call: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1265406)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1266340)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_1270132, v('(', ')', end_of_file), '1')
   Call: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x56051b6b4f40), '1')
   Exit: (208) [system] get_char((0x56051b6b4f40), '1')
   Call: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1274702)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1275636)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1274702=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1265406=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (207) [system] _1256110=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (206) [system] _1246814=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (205) [system] _1237518=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (204) [system] _1228222=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (203) [system] _1218926=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1198382)
   Call: (203) [system] atom_chars(_1301684, ['_', p, r, o, o, f, '1'])
   Exit: (203) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1306348)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1308206)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1315016)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1317720)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1327112)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1330826)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1332684)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1341152)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _1330826)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1351370)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1352304)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1356096, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1360666)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1361600)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1365392, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1369962)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1370896)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1374688, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1379258)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1380192)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1383984, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1388554)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1389488)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1393280, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1397850)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1398784)
   Exit: (209) [system] peek_char((0x56051b6b4f40), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1402576, v('(', ')', end_of_file), s)
   Call: (209) [system] ')'==s
   Call: (209) [system] get_char((0x56051b6b4f40), s)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1407146)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1408080)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1411872, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1416442)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1417376)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_1421168, v('(', ')', end_of_file), '1')
   Call: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x56051b6b4f40), '1')
   Exit: (211) [system] get_char((0x56051b6b4f40), '1')
   Call: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1425738)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1426672)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1430464, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1425738=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _1416442=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (210) [system] _1407146=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (209) [system] _1397850=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (208) [system] _1388554=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (207) [system] _1379258=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (206) [system] _1369962=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (205) [system] _1360666=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1351370=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _1330826)
   Call: (204) [system] atom_chars(_1459252, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (204) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1463916)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1465774)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1474242)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1478032)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1463916=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _1306348=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_premise1])
   Call: (200) [system] _1173904=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_proof1, _premise1])
   Call: (199) [system] _1107538=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1491914)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1493772)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1500582)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1503286)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1512678)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1516392)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1518250)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1526718)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1516392)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1536936)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1537870)
   Exit: (201) [system] peek_char((0x56051b6b4f40), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1541662, v('(', ')', end_of_file), k)
   Call: (201) [system] ')'==k
   Call: (201) [system] get_char((0x56051b6b4f40), k)
   Exit: (201) [system] get_char((0x56051b6b4f40), k)
   Call: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1546232)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1547166)
   Exit: (202) [system] peek_char((0x56051b6b4f40), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1550958, v('(', ')', end_of_file), b)
   Call: (202) [system] ')'==b
   Call: (202) [system] get_char((0x56051b6b4f40), b)
   Exit: (202) [system] get_char((0x56051b6b4f40), b)
   Call: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1555528)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1556462)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1555528=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _1546232=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (201) [system] _1536936=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (200) [user] classify_and_convert_charseq($, [k, b], _1516392)
   Call: (201) [system] atom_chars(_1571334, ['_', k, b])
   Exit: (201) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (200) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1575998)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1577856)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1584666)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1587370)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1596762)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1600476)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1602334)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1610802)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1600476)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1621020)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1621954)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1625746, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1630316)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1631250)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1635042, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1639612)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1640546)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1639612=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1630316=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (202) [system] _1621020=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (201) [user] classify_and_convert_charseq($, [r, b], _1600476)
   Call: (202) [system] atom_chars(_1655418, ['_', r, b])
   Exit: (202) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1660082)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1661940)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1668750)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1671454)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1680846)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1684560)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1686418)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1694886)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1684560)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1705104)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1706038)
   Exit: (203) [system] peek_char((0x56051b6b4f40), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_1709830, v('(', ')', end_of_file), k)
   Call: (203) [system] ')'==k
   Call: (203) [system] get_char((0x56051b6b4f40), k)
   Exit: (203) [system] get_char((0x56051b6b4f40), k)
   Call: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1714400)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1715334)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1719126, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1714400=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1705104=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (202) [user] classify_and_convert_charseq($, [k], _1684560)
   Call: (203) [system] atom_chars(_1728356, ['_', k])
   Exit: (203) [system] atom_chars('_k', ['_', k])
^  Exit: (202) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1733020)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1734878)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1743346)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1747136)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1733020=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1660082=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (199) [system] _1575998=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (198) [system] _1491914=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (197) [system] _1083060=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _907884=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1766606)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1768464)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1776932)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _1780722)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _1766606=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _883406=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _470952=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1791810)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1793668)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x56051b6b4f40), _1801284)
   Exit: (193) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1803988)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1810798)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1813502)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1820312)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1823016)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1829826)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1832530)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1839340)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1842044)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1848854)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1851558)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1858368)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1861072)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1867882)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1870586)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1877396)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1880100)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1886910)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1889614)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1896424)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1899128)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1917760)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1921474)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1923332)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1931800)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1921474)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1937370)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1945838)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1949552)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1951410)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1959878)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1949552)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1965448)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1973916)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1977630)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1979488)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1987956)
   Exit: (197) [system] get_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, _1977630)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1998174)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1999108)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1998174=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _1977630)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_2008418, _2008420), once(user:catch(read_from_chars([:], _1977630), _2008394, fail)), '$restore_trace'(_2008418, _2008420))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_2008418, _2008420))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2008394, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _2015918)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _2017776)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _2024586)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2027290)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2036682)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _2040396)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2042254)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _2050722)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _2040396)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2060940)
   Call: (200) [system] peek_char((0x56051b6b4f40), _2061874)
   Exit: (200) [system] peek_char((0x56051b6b4f40), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_2065666, v('(', ')', end_of_file), p)
   Call: (200) [system] ')'==p
   Call: (200) [system] get_char((0x56051b6b4f40), p)
   Exit: (200) [system] get_char((0x56051b6b4f40), p)
   Call: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2070236)
   Call: (201) [system] peek_char((0x56051b6b4f40), _2071170)
   Exit: (201) [system] peek_char((0x56051b6b4f40), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_2074962, v('(', ')', end_of_file), r)
   Call: (201) [system] ')'==r
   Call: (201) [system] get_char((0x56051b6b4f40), r)
   Exit: (201) [system] get_char((0x56051b6b4f40), r)
   Call: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2079532)
   Call: (202) [system] peek_char((0x56051b6b4f40), _2080466)
   Exit: (202) [system] peek_char((0x56051b6b4f40), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_2084258, v('(', ')', end_of_file), o)
   Call: (202) [system] ')'==o
   Call: (202) [system] get_char((0x56051b6b4f40), o)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2088828)
   Call: (203) [system] peek_char((0x56051b6b4f40), _2089762)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_2093554, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _5092)
   Call: (204) [system] peek_char((0x56051b6b4f40), _6026)
   Exit: (204) [system] peek_char((0x56051b6b4f40), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_9818, v('(', ')', end_of_file), f)
   Call: (204) [system] ')'==f
   Call: (204) [system] get_char((0x56051b6b4f40), f)
   Exit: (204) [system] get_char((0x56051b6b4f40), f)
   Call: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _14388)
   Call: (205) [system] peek_char((0x56051b6b4f40), _15322)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_19114, v('(', ')', end_of_file), '2')
   Call: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x56051b6b4f40), '2')
   Exit: (205) [system] get_char((0x56051b6b4f40), '2')
   Call: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _23684)
   Call: (206) [system] peek_char((0x56051b6b4f40), _24618)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _23684=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _14388=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (204) [system] _5092=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (203) [system] _3768=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (202) [system] _3764=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (201) [system] _3760=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (200) [system] _3756=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _3752)
   Call: (200) [system] atom_chars(_50666, ['_', p, r, o, o, f, '2'])
   Exit: (200) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _55330)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _57188)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _63998)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _66702)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _76094)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _79808)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _81666)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _90134)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _79808)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _100352)
   Call: (201) [system] peek_char((0x56051b6b4f40), _101286)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_105078, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _109648)
   Call: (202) [system] peek_char((0x56051b6b4f40), _110582)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_114374, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _118944)
   Call: (203) [system] peek_char((0x56051b6b4f40), _119878)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_123670, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _128240)
   Call: (204) [system] peek_char((0x56051b6b4f40), _129174)
   Exit: (204) [system] peek_char((0x56051b6b4f40), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_132966, v('(', ')', end_of_file), m)
   Call: (204) [system] ')'==m
   Call: (204) [system] get_char((0x56051b6b4f40), m)
   Exit: (204) [system] get_char((0x56051b6b4f40), m)
   Call: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _137536)
   Call: (205) [system] peek_char((0x56051b6b4f40), _138470)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_142262, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _146832)
   Call: (206) [system] peek_char((0x56051b6b4f40), _147766)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_151558, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _156128)
   Call: (207) [system] peek_char((0x56051b6b4f40), _157062)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_160854, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _165424)
   Call: (208) [system] peek_char((0x56051b6b4f40), _166358)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_170150, v('(', ')', end_of_file), '2')
   Call: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x56051b6b4f40), '2')
   Exit: (208) [system] get_char((0x56051b6b4f40), '2')
   Call: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _174720)
   Call: (209) [system] peek_char((0x56051b6b4f40), _175654)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_179446, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _174720=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _165424=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (207) [system] _156128=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (206) [system] _146832=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (205) [system] _137536=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (204) [system] _128240=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (203) [system] _118944=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (202) [system] _109648=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _100352=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _79808)
   Call: (201) [system] atom_chars(_208234, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (201) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _212898)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _214756)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _223224)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x56051b6b4f40), _227014)
   Exit: (199) [system] get_char((0x56051b6b4f40), ')')
   Call: (199) [system] _212898=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (198) [system] _55330=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_premise2])
   Call: (197) [system] _3748=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_proof2, _premise2])
   Call: (196) [system] _3740=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _240896)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _242754)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _249564)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _252268)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _261660)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _265374)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _267232)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _275700)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _265374)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _281270)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _289738)
   Exit: (197) [system] peek_char((0x56051b6b4f40), s)
   Call: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _293452)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _295310)
   Exit: (199) [system] peek_char((0x56051b6b4f40), s)
   Call: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _303778)
   Exit: (198) [system] get_char((0x56051b6b4f40), s)
   Call: (198) [system] s='('
   Call: (198) [system] s='['
   Call: (198) [system] s='{'
   Call: (198) [system] s='"'
   Call: (198) [system] s=!
   Call: (198) [system] s='\''
   Call: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), s, _293452)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _313996)
   Call: (200) [system] peek_char((0x56051b6b4f40), _314930)
   Exit: (200) [system] peek_char((0x56051b6b4f40), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_318722, v('(', ')', end_of_file), y)
   Call: (200) [system] ')'==y
   Call: (200) [system] get_char((0x56051b6b4f40), y)
   Exit: (200) [system] get_char((0x56051b6b4f40), y)
   Call: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _323292)
   Call: (201) [system] peek_char((0x56051b6b4f40), _324226)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_328018, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _332588)
   Call: (202) [system] peek_char((0x56051b6b4f40), _333522)
   Exit: (202) [system] peek_char((0x56051b6b4f40), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_337314, v('(', ')', end_of_file), t)
   Call: (202) [system] ')'==t
   Call: (202) [system] get_char((0x56051b6b4f40), t)
   Exit: (202) [system] get_char((0x56051b6b4f40), t)
   Call: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _341884)
   Call: (203) [system] peek_char((0x56051b6b4f40), _342818)
   Exit: (203) [system] peek_char((0x56051b6b4f40), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_346610, v('(', ')', end_of_file), h)
   Call: (203) [system] ')'==h
   Call: (203) [system] get_char((0x56051b6b4f40), h)
   Exit: (203) [system] get_char((0x56051b6b4f40), h)
   Call: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _351180)
   Call: (204) [system] peek_char((0x56051b6b4f40), _352114)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_355906, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _360476)
   Call: (205) [system] peek_char((0x56051b6b4f40), _361410)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_365202, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _369772)
   Call: (206) [system] peek_char((0x56051b6b4f40), _370706)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_374498, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _379068)
   Call: (207) [system] peek_char((0x56051b6b4f40), _380002)
   Exit: (207) [system] peek_char((0x56051b6b4f40), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_383794, v('(', ')', end_of_file), z)
   Call: (207) [system] ')'==z
   Call: (207) [system] get_char((0x56051b6b4f40), z)
   Exit: (207) [system] get_char((0x56051b6b4f40), z)
   Call: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _388364)
   Call: (208) [system] peek_char((0x56051b6b4f40), _389298)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_393090, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _397660)
   Call: (209) [system] peek_char((0x56051b6b4f40), _398594)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _397660=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _388364=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (207) [system] _379068=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (206) [system] _369772=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (205) [system] _360476=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (204) [system] _351180=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (203) [system] _341884=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (202) [system] _332588=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (201) [system] _323292=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _313996=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _293452)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_433050, _433052), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _293452), _433026, fail)), '$restore_trace'(_433050, _433052))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_433050, _433052))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _433026, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _440550)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _442408)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _449218)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _451922)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _461314)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _465028)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _466886)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _475354)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _465028)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _480924)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _489392)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _493106)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _494964)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _503432)
   Exit: (201) [system] get_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, _493106)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _513650)
   Call: (203) [system] peek_char((0x56051b6b4f40), _514584)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _513650=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _493106)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_523894, _523896), once(user:catch(read_from_chars([:], _493106), _523870, fail)), '$restore_trace'(_523894, _523896))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_523894, _523896))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _523870, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _531394)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _533252)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _540062)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _542766)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _552158)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _555872)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _557730)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _566198)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _555872)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _576416)
   Call: (204) [system] peek_char((0x56051b6b4f40), _577350)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_581142, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _585712)
   Call: (205) [system] peek_char((0x56051b6b4f40), _586646)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_590438, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _595008)
   Call: (206) [system] peek_char((0x56051b6b4f40), _595942)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_599734, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _604304)
   Call: (207) [system] peek_char((0x56051b6b4f40), _605238)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_609030, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _613600)
   Call: (208) [system] peek_char((0x56051b6b4f40), _614534)
   Exit: (208) [system] peek_char((0x56051b6b4f40), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_618326, v('(', ')', end_of_file), f)
   Call: (208) [system] ')'==f
   Call: (208) [system] get_char((0x56051b6b4f40), f)
   Exit: (208) [system] get_char((0x56051b6b4f40), f)
   Call: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _622896)
   Call: (209) [system] peek_char((0x56051b6b4f40), _623830)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_627622, v('(', ')', end_of_file), '2')
   Call: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x56051b6b4f40), '2')
   Exit: (209) [system] get_char((0x56051b6b4f40), '2')
   Call: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _632192)
   Call: (210) [system] peek_char((0x56051b6b4f40), _633126)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _632192=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _622896=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (208) [system] _613600=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (207) [system] _604304=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (206) [system] _595008=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (205) [system] _585712=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (204) [system] _576416=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _555872)
   Call: (204) [system] atom_chars(_659174, ['_', p, r, o, o, f, '2'])
   Exit: (204) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _663838)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _665696)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _672506)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _675210)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _684602)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _688316)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _690174)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _698642)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _688316)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _708860)
   Call: (205) [system] peek_char((0x56051b6b4f40), _709794)
   Exit: (205) [system] peek_char((0x56051b6b4f40), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_713586, v('(', ')', end_of_file), p)
   Call: (205) [system] ')'==p
   Call: (205) [system] get_char((0x56051b6b4f40), p)
   Exit: (205) [system] get_char((0x56051b6b4f40), p)
   Call: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _718156)
   Call: (206) [system] peek_char((0x56051b6b4f40), _719090)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_722882, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _727452)
   Call: (207) [system] peek_char((0x56051b6b4f40), _728386)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_732178, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _736748)
   Call: (208) [system] peek_char((0x56051b6b4f40), _737682)
   Exit: (208) [system] peek_char((0x56051b6b4f40), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_741474, v('(', ')', end_of_file), m)
   Call: (208) [system] ')'==m
   Call: (208) [system] get_char((0x56051b6b4f40), m)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _746044)
   Call: (209) [system] peek_char((0x56051b6b4f40), _746978)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_750770, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _755340)
   Call: (210) [system] peek_char((0x56051b6b4f40), _756274)
   Exit: (210) [system] peek_char((0x56051b6b4f40), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_760066, v('(', ')', end_of_file), s)
   Call: (210) [system] ')'==s
   Call: (210) [system] get_char((0x56051b6b4f40), s)
   Exit: (210) [system] get_char((0x56051b6b4f40), s)
   Call: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _764636)
   Call: (211) [system] peek_char((0x56051b6b4f40), _765570)
   Exit: (211) [system] peek_char((0x56051b6b4f40), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_769362, v('(', ')', end_of_file), e)
   Call: (211) [system] ')'==e
   Call: (211) [system] get_char((0x56051b6b4f40), e)
   Exit: (211) [system] get_char((0x56051b6b4f40), e)
   Call: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _773932)
   Call: (212) [system] peek_char((0x56051b6b4f40), _774866)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_778658, v('(', ')', end_of_file), '2')
   Call: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x56051b6b4f40), '2')
   Exit: (212) [system] get_char((0x56051b6b4f40), '2')
   Call: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _783228)
   Call: (213) [system] peek_char((0x56051b6b4f40), _784162)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_787954, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _783228=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _773932=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (211) [system] _764636=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (210) [system] _755340=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (209) [system] _746044=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (208) [system] _736748=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (207) [system] _727452=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (206) [system] _718156=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _708860=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _688316)
   Call: (205) [system] atom_chars(_816742, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (205) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _821406)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _823264)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _831732)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _835522)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _821406=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _663838=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_premise2])
   Call: (201) [system] _531394=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_proof2, _premise2])
   Call: (200) [system] _465028=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _849404)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _851262)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _858072)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _860776)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _870168)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _873882)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _875740)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _884208)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _873882)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _894426)
   Call: (202) [system] peek_char((0x56051b6b4f40), _895360)
   Exit: (202) [system] peek_char((0x56051b6b4f40), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_899152, v('(', ')', end_of_file), k)
   Call: (202) [system] ')'==k
   Call: (202) [system] get_char((0x56051b6b4f40), k)
   Exit: (202) [system] get_char((0x56051b6b4f40), k)
   Call: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _903722)
   Call: (203) [system] peek_char((0x56051b6b4f40), _904656)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_908448, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _913018)
   Call: (204) [system] peek_char((0x56051b6b4f40), _913952)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _913018=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _903722=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (202) [system] _894426=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (201) [user] classify_and_convert_charseq($, [k, b], _873882)
   Call: (202) [system] atom_chars(_928824, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _933488)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _935346)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _942156)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _944860)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _954252)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _957966)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _959824)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _968292)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _957966)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _978510)
   Call: (203) [system] peek_char((0x56051b6b4f40), _979444)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_983236, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _987806)
   Call: (204) [system] peek_char((0x56051b6b4f40), _988740)
   Exit: (204) [system] peek_char((0x56051b6b4f40), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_992532, v('(', ')', end_of_file), b)
   Call: (204) [system] ')'==b
   Call: (204) [system] get_char((0x56051b6b4f40), b)
   Exit: (204) [system] get_char((0x56051b6b4f40), b)
   Call: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _997102)
   Call: (205) [system] peek_char((0x56051b6b4f40), _998036)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _997102=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _987806=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (203) [system] _978510=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (202) [user] classify_and_convert_charseq($, [r, b], _957966)
   Call: (203) [system] atom_chars(_1012908, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1017572)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1019430)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1026240)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1028944)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1038336)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1042050)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1043908)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1052376)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _1042050)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1062594)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1063528)
   Exit: (204) [system] peek_char((0x56051b6b4f40), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1067320, v('(', ')', end_of_file), k)
   Call: (204) [system] ')'==k
   Call: (204) [system] get_char((0x56051b6b4f40), k)
   Exit: (204) [system] get_char((0x56051b6b4f40), k)
   Call: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1071890)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1072824)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1076616, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1071890=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1062594=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (203) [user] classify_and_convert_charseq($, [k], _1042050)
   Call: (204) [system] atom_chars(_1085846, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1090510)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1092368)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1100836)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1104626)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1090510=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _1017572=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (200) [system] _933488=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (199) [system] _849404=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (198) [system] _440550=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _265374=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1124096)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1125954)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1134422)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1138212)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1124096=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _240896=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _3734=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1149300)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1151158)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (194) [system] '\n'=(;)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x56051b6b4f40), _1158774)
   Exit: (194) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1161478)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1168288)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1170992)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1177802)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1180506)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1187316)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1190020)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1196830)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1199534)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1206344)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1209048)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1215858)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1218562)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1225372)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1228076)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1234886)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1237590)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1244400)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1247104)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1253914)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1256618)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1275250)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1278964)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1280822)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1289290)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1278964)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1294860)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1303328)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1307042)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1308900)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1317368)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1307042)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1322938)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1331406)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1335120)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1336978)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1345446)
   Exit: (198) [system] get_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), :, _1335120)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1355664)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1356598)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1355664=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (199) [user] classify_and_convert_charseq(:, [], _1335120)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1365908, _1365910), once(user:catch(read_from_chars([:], _1335120), _1365884, fail)), '$restore_trace'(_1365908, _1365910))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1365908, _1365910))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1365884, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1373408)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1375266)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1382076)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1384780)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1394172)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1397886)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1399744)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1408212)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1397886)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1418430)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1419364)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1423156, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1427726)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1428660)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1432452, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1437022)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1437956)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1441748, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1446318)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1447252)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1451044, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1455614)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1456548)
   Exit: (205) [system] peek_char((0x56051b6b4f40), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1460340, v('(', ')', end_of_file), f)
   Call: (205) [system] ')'==f
   Call: (205) [system] get_char((0x56051b6b4f40), f)
   Exit: (205) [system] get_char((0x56051b6b4f40), f)
   Call: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1464910)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1465844)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_1469636, v('(', ')', end_of_file), '3')
   Call: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x56051b6b4f40), '3')
   Exit: (206) [system] get_char((0x56051b6b4f40), '3')
   Call: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1474206)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1475140)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1474206=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1464910=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (205) [system] _1455614=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '3'])
   Call: (204) [system] _1446318=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '3'])
   Call: (203) [system] _1437022=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '3'])
   Call: (202) [system] _1427726=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '3'])
   Call: (201) [system] _1418430=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _1397886)
   Call: (201) [system] atom_chars(_1501188, ['_', p, r, o, o, f, '3'])
   Exit: (201) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _proof3)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1505852)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1507710)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1514520)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1517224)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1526616)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1530330)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1532188)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1540656)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1530330)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1550874)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1551808)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1555600, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1560170)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1561104)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1564896, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1569466)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1570400)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1574192, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1578762)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1579696)
   Exit: (205) [system] peek_char((0x56051b6b4f40), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_1583488, v('(', ')', end_of_file), m)
   Call: (205) [system] ')'==m
   Call: (205) [system] get_char((0x56051b6b4f40), m)
   Exit: (205) [system] get_char((0x56051b6b4f40), m)
   Call: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1588058)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1588992)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1592784, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1597354)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1598288)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1602080, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1606650)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1607584)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1611376, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1615946)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1616880)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_1620672, v('(', ')', end_of_file), '3')
   Call: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x56051b6b4f40), '3')
   Exit: (209) [system] get_char((0x56051b6b4f40), '3')
   Call: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1625242)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1626176)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1629968, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1625242=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1615946=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (208) [system] _1606650=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '3'])
   Call: (207) [system] _1597354=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '3'])
   Call: (206) [system] _1588058=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '3'])
   Call: (205) [system] _1578762=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '3'])
   Call: (204) [system] _1569466=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '3'])
   Call: (203) [system] _1560170=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _1550874=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _1530330)
   Call: (202) [system] atom_chars(_1658756, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (202) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _premise3)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1663420)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1665278)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1673746)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x56051b6b4f40), _1677536)
   Exit: (200) [system] get_char((0x56051b6b4f40), ')')
   Call: (200) [system] _1663420=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (199) [system] _1505852=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_premise3])
   Call: (198) [system] _1373408=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_proof3, _premise3])
   Call: (197) [system] _1307042=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1691418)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1693276)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1700086)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1702790)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1712182)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1715896)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1717754)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1726222)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1715896)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1731792)
   Exit: (199) [system] peek_char((0x56051b6b4f40), s)
   Call: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1740260)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1743974)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1745832)
   Exit: (200) [system] peek_char((0x56051b6b4f40), s)
   Call: (200) [system] s=(;)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1754300)
   Exit: (199) [system] get_char((0x56051b6b4f40), s)
   Call: (199) [system] s='('
   Call: (199) [system] s='['
   Call: (199) [system] s='{'
   Call: (199) [system] s='"'
   Call: (199) [system] s=!
   Call: (199) [system] s='\''
   Call: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), s, _1743974)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1764518)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1765452)
   Exit: (201) [system] peek_char((0x56051b6b4f40), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_1769244, v('(', ')', end_of_file), y)
   Call: (201) [system] ')'==y
   Call: (201) [system] get_char((0x56051b6b4f40), y)
   Exit: (201) [system] get_char((0x56051b6b4f40), y)
   Call: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1773814)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1774748)
   Exit: (202) [system] peek_char((0x56051b6b4f40), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1778540, v('(', ')', end_of_file), n)
   Call: (202) [system] ')'==n
   Call: (202) [system] get_char((0x56051b6b4f40), n)
   Exit: (202) [system] get_char((0x56051b6b4f40), n)
   Call: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1783110)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1784044)
   Exit: (203) [system] peek_char((0x56051b6b4f40), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1787836, v('(', ')', end_of_file), t)
   Call: (203) [system] ')'==t
   Call: (203) [system] get_char((0x56051b6b4f40), t)
   Exit: (203) [system] get_char((0x56051b6b4f40), t)
   Call: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1792406)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1793340)
   Exit: (204) [system] peek_char((0x56051b6b4f40), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_1797132, v('(', ')', end_of_file), h)
   Call: (204) [system] ')'==h
   Call: (204) [system] get_char((0x56051b6b4f40), h)
   Exit: (204) [system] get_char((0x56051b6b4f40), h)
   Call: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1801702)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1802636)
   Exit: (205) [system] peek_char((0x56051b6b4f40), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1806428, v('(', ')', end_of_file), e)
   Call: (205) [system] ')'==e
   Call: (205) [system] get_char((0x56051b6b4f40), e)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1810998)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1811932)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_1815724, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1820294)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1821228)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1825020, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1829590)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1830524)
   Exit: (208) [system] peek_char((0x56051b6b4f40), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_1834316, v('(', ')', end_of_file), z)
   Call: (208) [system] ')'==z
   Call: (208) [system] get_char((0x56051b6b4f40), z)
   Exit: (208) [system] get_char((0x56051b6b4f40), z)
   Call: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1838886)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1839820)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1843612, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1848182)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1849116)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1848182=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1838886=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (208) [system] _1829590=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (207) [system] _1820294=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (206) [system] _1810998=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (205) [system] _1801702=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (204) [system] _1792406=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (203) [system] _1783110=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (202) [system] _1773814=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _1764518=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1743974)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1883572, _1883574), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1743974), _1883548, fail)), '$restore_trace'(_1883572, _1883574))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1883572, _1883574))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1883548, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1891072)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1892930)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1899740)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1902444)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1911836)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1915550)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1917408)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1925876)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1915550)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1931446)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1939914)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1943628)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1945486)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1953954)
   Exit: (202) [system] get_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), :, _1943628)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1964172)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1965106)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1964172=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (203) [user] classify_and_convert_charseq(:, [], _1943628)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1974416, _1974418), once(user:catch(read_from_chars([:], _1943628), _1974392, fail)), '$restore_trace'(_1974416, _1974418))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1974416, _1974418))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1974392, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1981916)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1983774)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1990584)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1993288)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _2002680)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _2006394)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _2008252)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _2016720)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _2006394)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2026938)
   Call: (205) [system] peek_char((0x56051b6b4f40), _2027872)
   Exit: (205) [system] peek_char((0x56051b6b4f40), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_2031664, v('(', ')', end_of_file), p)
   Call: (205) [system] ')'==p
   Call: (205) [system] get_char((0x56051b6b4f40), p)
   Exit: (205) [system] get_char((0x56051b6b4f40), p)
   Call: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2036234)
   Call: (206) [system] peek_char((0x56051b6b4f40), _2037168)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_2040960, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2045530)
   Call: (207) [system] peek_char((0x56051b6b4f40), _2046464)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_2050256, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2054826)
   Call: (208) [system] peek_char((0x56051b6b4f40), _2055760)
   Exit: (208) [system] peek_char((0x56051b6b4f40), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_2059552, v('(', ')', end_of_file), o)
   Call: (208) [system] ')'==o
   Call: (208) [system] get_char((0x56051b6b4f40), o)
   Exit: (208) [system] get_char((0x56051b6b4f40), o)
   Call: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2064122)
   Call: (209) [system] peek_char((0x56051b6b4f40), _2065056)
   Exit: (209) [system] peek_char((0x56051b6b4f40), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_2068848, v('(', ')', end_of_file), f)
   Call: (209) [system] ')'==f
   Call: (209) [system] get_char((0x56051b6b4f40), f)
   Exit: (209) [system] get_char((0x56051b6b4f40), f)
   Call: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2073418)
   Call: (210) [system] peek_char((0x56051b6b4f40), _2074352)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_2078144, v('(', ')', end_of_file), '3')
   Call: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x56051b6b4f40), '3')
   Exit: (210) [system] get_char((0x56051b6b4f40), '3')
   Call: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2082714)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2083648)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _2082714=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _2073418=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (209) [system] _2064122=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '3'])
   Call: (208) [system] _3924=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '3'])
   Call: (207) [system] _3920=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '3'])
   Call: (206) [system] _3916=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '3'])
   Call: (205) [system] _3912=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _3908)
   Call: (205) [system] atom_chars(_16806, ['_', p, r, o, o, f, '3'])
   Exit: (205) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _proof3)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _21470)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _23328)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _30138)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _32842)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _42234)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _45948)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _47806)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _56274)
   Exit: (204) [system] get_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _45948)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _66492)
   Call: (206) [system] peek_char((0x56051b6b4f40), _67426)
   Exit: (206) [system] peek_char((0x56051b6b4f40), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_71218, v('(', ')', end_of_file), p)
   Call: (206) [system] ')'==p
   Call: (206) [system] get_char((0x56051b6b4f40), p)
   Exit: (206) [system] get_char((0x56051b6b4f40), p)
   Call: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _75788)
   Call: (207) [system] peek_char((0x56051b6b4f40), _76722)
   Exit: (207) [system] peek_char((0x56051b6b4f40), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_80514, v('(', ')', end_of_file), r)
   Call: (207) [system] ')'==r
   Call: (207) [system] get_char((0x56051b6b4f40), r)
   Exit: (207) [system] get_char((0x56051b6b4f40), r)
   Call: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _85084)
   Call: (208) [system] peek_char((0x56051b6b4f40), _86018)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_89810, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _94380)
   Call: (209) [system] peek_char((0x56051b6b4f40), _95314)
   Exit: (209) [system] peek_char((0x56051b6b4f40), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_99106, v('(', ')', end_of_file), m)
   Call: (209) [system] ')'==m
   Call: (209) [system] get_char((0x56051b6b4f40), m)
   Exit: (209) [system] get_char((0x56051b6b4f40), m)
   Call: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _103676)
   Call: (210) [system] peek_char((0x56051b6b4f40), _104610)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_108402, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _112972)
   Call: (211) [system] peek_char((0x56051b6b4f40), _113906)
   Exit: (211) [system] peek_char((0x56051b6b4f40), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_117698, v('(', ')', end_of_file), s)
   Call: (211) [system] ')'==s
   Call: (211) [system] get_char((0x56051b6b4f40), s)
   Exit: (211) [system] get_char((0x56051b6b4f40), s)
   Call: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _122268)
   Call: (212) [system] peek_char((0x56051b6b4f40), _123202)
   Exit: (212) [system] peek_char((0x56051b6b4f40), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_126994, v('(', ')', end_of_file), e)
   Call: (212) [system] ')'==e
   Call: (212) [system] get_char((0x56051b6b4f40), e)
   Exit: (212) [system] get_char((0x56051b6b4f40), e)
   Call: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _131564)
   Call: (213) [system] peek_char((0x56051b6b4f40), _132498)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_136290, v('(', ')', end_of_file), '3')
   Call: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x56051b6b4f40), '3')
   Exit: (213) [system] get_char((0x56051b6b4f40), '3')
   Call: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _140860)
   Call: (214) [system] peek_char((0x56051b6b4f40), _141794)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_145586, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _140860=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _131564=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (212) [system] _122268=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '3'])
   Call: (211) [system] _112972=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '3'])
   Call: (210) [system] _103676=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '3'])
   Call: (209) [system] _94380=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '3'])
   Call: (208) [system] _85084=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '3'])
   Call: (207) [system] _75788=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _66492=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _45948)
   Call: (206) [system] atom_chars(_174374, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (206) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _premise3)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _179038)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _180896)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _189364)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _193154)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _179038=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _21470=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [_premise3])
   Call: (202) [system] _3904=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_proof3, _premise3])
   Call: (201) [system] _3896=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _207036)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _208894)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _215704)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _218408)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _227800)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _231514)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _233372)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _241840)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _231514)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _252058)
   Call: (203) [system] peek_char((0x56051b6b4f40), _252992)
   Exit: (203) [system] peek_char((0x56051b6b4f40), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_256784, v('(', ')', end_of_file), k)
   Call: (203) [system] ')'==k
   Call: (203) [system] get_char((0x56051b6b4f40), k)
   Exit: (203) [system] get_char((0x56051b6b4f40), k)
   Call: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _261354)
   Call: (204) [system] peek_char((0x56051b6b4f40), _262288)
   Exit: (204) [system] peek_char((0x56051b6b4f40), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_266080, v('(', ')', end_of_file), b)
   Call: (204) [system] ')'==b
   Call: (204) [system] get_char((0x56051b6b4f40), b)
   Exit: (204) [system] get_char((0x56051b6b4f40), b)
   Call: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _270650)
   Call: (205) [system] peek_char((0x56051b6b4f40), _271584)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _270650=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _261354=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (203) [system] _252058=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (202) [user] classify_and_convert_charseq($, [k, b], _231514)
   Call: (203) [system] atom_chars(_286456, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _291120)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _292978)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _299788)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _302492)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _311884)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _315598)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _317456)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _325924)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _315598)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _336142)
   Call: (204) [system] peek_char((0x56051b6b4f40), _337076)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_340868, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _345438)
   Call: (205) [system] peek_char((0x56051b6b4f40), _346372)
   Exit: (205) [system] peek_char((0x56051b6b4f40), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_350164, v('(', ')', end_of_file), b)
   Call: (205) [system] ')'==b
   Call: (205) [system] get_char((0x56051b6b4f40), b)
   Exit: (205) [system] get_char((0x56051b6b4f40), b)
   Call: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _354734)
   Call: (206) [system] peek_char((0x56051b6b4f40), _355668)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _354734=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _345438=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (204) [system] _336142=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (203) [user] classify_and_convert_charseq($, [r, b], _315598)
   Call: (204) [system] atom_chars(_370540, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _375204)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _377062)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _383872)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _386576)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _395968)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _399682)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _401540)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _410008)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _399682)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _420226)
   Call: (205) [system] peek_char((0x56051b6b4f40), _421160)
   Exit: (205) [system] peek_char((0x56051b6b4f40), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_424952, v('(', ')', end_of_file), k)
   Call: (205) [system] ')'==k
   Call: (205) [system] get_char((0x56051b6b4f40), k)
   Exit: (205) [system] get_char((0x56051b6b4f40), k)
   Call: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _429522)
   Call: (206) [system] peek_char((0x56051b6b4f40), _430456)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_434248, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _429522=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _420226=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (204) [user] classify_and_convert_charseq($, [k], _399682)
   Call: (205) [system] atom_chars(_443478, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _448142)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _450000)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _458468)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _462258)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _448142=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _375204=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (201) [system] _291120=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (200) [system] _207036=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (199) [system] _3892=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _3884=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _481728)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _483586)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _492054)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _495844)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _481728=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _3880=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3846=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _506932)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _508790)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _517258)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _521048)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _506932=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _3842=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (192) [system] _3730=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (191) [system] _3618=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (190) [system] _3534=[[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (189) [system] _3436=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _540518)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _542376)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (189) [system] '\n'=(;)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x56051b6b4f40), _549992)
   Exit: (189) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _552696)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _559506)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _562210)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _569020)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _571724)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _578534)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _581238)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _588048)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _590752)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _597562)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _600266)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _614278)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _617992)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _619850)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _628318)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _617992)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638536)
   Call: (191) [system] peek_char((0x56051b6b4f40), _639470)
   Exit: (191) [system] peek_char((0x56051b6b4f40), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_643262, v('(', ')', end_of_file), q)
   Call: (191) [system] ')'==q
   Call: (191) [system] get_char((0x56051b6b4f40), q)
   Exit: (191) [system] get_char((0x56051b6b4f40), q)
   Call: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _647832)
   Call: (192) [system] peek_char((0x56051b6b4f40), _648766)
   Exit: (192) [system] peek_char((0x56051b6b4f40), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_652558, v('(', ')', end_of_file), u)
   Call: (192) [system] ')'==u
   Call: (192) [system] get_char((0x56051b6b4f40), u)
   Exit: (192) [system] get_char((0x56051b6b4f40), u)
   Call: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657128)
   Call: (193) [system] peek_char((0x56051b6b4f40), _658062)
   Exit: (193) [system] peek_char((0x56051b6b4f40), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_661854, v('(', ')', end_of_file), e)
   Call: (193) [system] ')'==e
   Call: (193) [system] get_char((0x56051b6b4f40), e)
   Exit: (193) [system] get_char((0x56051b6b4f40), e)
   Call: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666424)
   Call: (194) [system] peek_char((0x56051b6b4f40), _667358)
   Exit: (194) [system] peek_char((0x56051b6b4f40), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_671150, v('(', ')', end_of_file), r)
   Call: (194) [system] ')'==r
   Call: (194) [system] get_char((0x56051b6b4f40), r)
   Exit: (194) [system] get_char((0x56051b6b4f40), r)
   Call: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _675720)
   Call: (195) [system] peek_char((0x56051b6b4f40), _676654)
   Exit: (195) [system] peek_char((0x56051b6b4f40), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_680446, v('(', ')', end_of_file), y)
   Call: (195) [system] ')'==y
   Call: (195) [system] get_char((0x56051b6b4f40), y)
   Exit: (195) [system] get_char((0x56051b6b4f40), y)
   Call: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _685016)
   Call: (196) [system] peek_char((0x56051b6b4f40), _685950)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_689742, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _685016=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _675720=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (194) [system] _666424=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (193) [system] _657128=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (192) [system] _647832=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (191) [system] _638536=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _617992)
   Call: (191) [system] atom_chars(_710148, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _714812)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _716670)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _725138)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _728928)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _714812=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _540518=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (187) [system] _3432=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3424=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _742810)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _744668)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _753136)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _756926)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _742810=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _3420=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3356=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3316=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (179) [user] assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 66, 0, 2300, '$stream_position'(2300, 66, 0, 2300)), read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_775444, _775446, _775448, _775450, _775452))
^  Exit: (177) [user] retract(metta_file_comment(41, 0, 1309, '$COMMENT'(";;\t\t", 41, 0), '$stream_position'(1309, 41, 0, 1309)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _778276))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), _778276)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t", 41, 0), _778276)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _781092))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _781092))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _781092)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _783892))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), _783892)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;\t\t", 41, 0), _783892)
   Call: (187) [system] var('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] atom('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==true
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==false
   Call: (187) [system] '$COMMENT'(";;\t\t", 41, 0)==[_790412, _790418]
   Call: (187) [system] is_list('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] string('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] compound('$COMMENT'(";;\t\t", 41, 0))
   Exit: (187) [system] compound('$COMMENT'(";;\t\t", 41, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), _795046, _795048)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), '$COMMENT', [";;\t\t", 41, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;\t\t", 41, 0], _798788)
   Call: (188) [apply] apply:maplist_([";;\t\t", 41, 0], _798788, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;\t\t", _800668)
   Call: (190) [system] var(";;\t\t")
   Call: (190) [system] atom(";;\t\t")
   Call: (190) [system] ";;\t\t"==true
   Call: (190) [system] ";;\t\t"==false
   Call: (190) [system] ";;\t\t"==[_805310, _805316]
   Call: (190) [system] is_list(";;\t\t")
   Call: (190) [system] string(";;\t\t")
   Exit: (190) [system] string(";;\t\t")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;\t\t")
^  Call: (190) [user] symbol(";;\t\t")
   Call: (191) [system] atom(";;\t\t")
   Fail: (191) [system] atom(";;\t\t")
^  Fail: (190) [user] symbol(";;\t\t")
   Call: (190) [system] ";;\t\t"=_800668
   Exit: (190) [system] ";;\t\t"=";;\t\t"
^  Exit: (189) [user] mfix_vars1(";;\t\t", ";;\t\t")
   Call: (189) [apply] apply:maplist_([41, 0], _800670, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(41, _819190)
   Call: (191) [system] var(41)
   Call: (191) [system] atom(41)
   Call: (191) [system] 41==true
   Call: (191) [system] 41==false
   Call: (191) [system] 41==[_823832, _823838]
   Call: (191) [system] is_list(41)
   Call: (191) [system] string(41)
   Call: (191) [system] compound(41)
^  Call: (191) [user] symbol(41)
   Call: (192) [system] atom(41)
   Fail: (192) [system] atom(41)
^  Fail: (191) [user] symbol(41)
   Call: (191) [system] 41=_819190
   Exit: (191) [system] 41=41
^  Exit: (190) [user] mfix_vars1(41, 41)
   Call: (190) [apply] apply:maplist_([0], _819192, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _834956)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_839598, _839604]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_834956
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _834958, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([41, 0], [41, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;\t\t", 41, 0], [";;\t\t", 41, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;\t\t", 41, 0], [";;\t\t", 41, 0])
   Call: (187) [system] compound_name_arguments(_783892, '$COMMENT', [";;\t\t", 41, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;\t\t", 41, 0), '$COMMENT', [";;\t\t", 41, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _863774))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _863774))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _863774)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _866574))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), _866574)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;\t\t", 41, 0), _866574)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _778276))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _778276))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _778276)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _880532))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), _880532)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;\t\t", 41, 0), _880532)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (184) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (178) [system] '$COMMENT'(";;\t\t", 41, 0)\=@='$COMMENT'(";;\t\t", 41, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;\t\t", 41, 0), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;\t\t", 41, 0)))
   Call: (169) [system] '$COMMENT'(";;\t\t", 41, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;\t\t", 41, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t", 41, 0), nthesize_long_1726792630_1772065, 65)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792630.1734605), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792630.1734605), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792634.4645028)
   Call: (173) [system] arg(1, t(1726792630.1734605), _3148)
   Exit: (173) [system] arg(1, t(1726792630.1734605), 1726792630.1734605)
   Call: (173) [system] _3158 is 1726792634.4645028-1726792630.1734605
   Exit: (173) [system] 4.291042327880859 is 1726792634.4645028-1726792630.1734605
   Call: (173) [system] 4.291042327880859>4
   Exit: (173) [system] 4.291042327880859>4
   Call: (173) [system] nb_setarg(1, t(1726792630.1734605), 1726792634.4645028)
   Exit: (173) [system] nb_setarg(1, t(1726792634.4645028), 1726792634.4645028)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65])
; 
^  Call: (175) [user] write_src_woi('$COMMENT'(";;\t\t", 41, 0))
^  Call: (177) [system] setup_call_cleanup('$notrace'(_926536, _926538), once(user:with_indents(false, write_src('$COMMENT'(";;\t\t", 41, 0)))), '$restore_trace'(_926536, _926538))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_926536, _926538))
(%COMMENT  ";;\t\t" 41 0)
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src('$COMMENT'(";;\t\t", 41, 0)))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi('$COMMENT'(";;\t\t", 41, 0))
 ; line: 65 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1726792634.4645028), arg(1, t(1726792634.4645028), 1726792630.1734605), 4.291042327880859 is 1726792634.4645028-1726792630.1734605, 4.291042327880859>4), (nb_setarg(1, t(1726792634.4645028), 1726792634.4645028), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 7)
   Call: (175) [system] atom(7+1)
   Call: (175) [system] set_flag(translated_forms, 8)
   Exit: (175) [system] set_flag(translated_forms, 8)
   Exit: (174) [$syspreds] update_flag(translated_forms, 7, 7+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 7, 7+1))
   Exit: (171) [$syspreds] flag(translated_forms, 7, 7+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t", 41, 0), nthesize_long_1726792630_1772065, 65)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;\t\t"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;\t\t"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t", 41, 0), nthesize_long_1726792630_1772065, 65)
^  Exit: (169) [system] once(user:(if_t((get_time(1726792634.4645028), arg(1, t(1726792634.4645028), 1726792630.1734605), 4.291042327880859 is 1726792634.4645028-1726792630.1734605, 4.291042327880859>4), (nb_setarg(1, t(1726792634.4645028), 1726792634.4645028), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;\t\t", 41, 0)), 65]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 7, 7+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;\t\t", 41, 0), nthesize_long_1726792630_1772065, 65)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 73)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 73))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 73))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _974094)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _981516)
   Exit: (175) [system] peek_char((0x56051b6b4f40), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _989854)
   Exit: (177) [system] peek_char((0x56051b6b4f40), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _992640=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _994508, _994510, _994512, _994514), read_sexpr((0x56051b6b4f40), _994526), assertz(metta_file_comment(_994508, _994510, _994512, _994526, _994514))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _994508, _994510, _994512, _994514)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_994514))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_994514))
   Exit: (181) [system] nonvar(position(_994514))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(2755, 74, 0, 2755)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), _994508)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1004766)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), _994508)
   Exit: (181) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), 74)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), 74)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), _994510)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1012200)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), _994510)
   Exit: (181) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), _994512)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1019634)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), _994512)
   Exit: (181) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), 2755)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), 2755)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _994526)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _994526)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1028936)
   Exit: (182) [system] peek_char((0x56051b6b4f40), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (183) [user] read_position((0x56051b6b4f40), _1033574, _1033576, _1033578, _1033580)
   Call: (184) [system] stream_property((0x56051b6b4f40), position(_1033580))
   Call: (185) [system] nonvar((0x56051b6b4f40))
   Exit: (185) [system] nonvar((0x56051b6b4f40))
   Call: (185) [system] nonvar(position(_1033580))
   Exit: (185) [system] nonvar(position(_1033580))
   Exit: (184) [system] stream_property((0x56051b6b4f40), position('$stream_position'(2755, 74, 0, 2755)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), _1033574)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _1042868)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), _1033574)
   Exit: (185) [system] arg(2, '$stream_position'(2755, 74, 0, 2755), 74)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(2755, 74, 0, 2755), 74)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), _1033576)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _1050302)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), _1033576)
   Exit: (185) [system] arg(3, '$stream_position'(2755, 74, 0, 2755), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(2755, 74, 0, 2755), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), _1033578)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _1057736)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), _1033578)
   Exit: (185) [system] arg(1, '$stream_position'(2755, 74, 0, 2755), 2755)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(2755, 74, 0, 2755), 2755)
^  Exit: (183) [user] read_position((0x56051b6b4f40), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755))
^  Call: (183) [user] read_until_eol((0x56051b6b4f40), _1063330)
   Call: (184) [system] get_char((0x56051b6b4f40), _1064260)
   Exit: (184) [system] get_char((0x56051b6b4f40), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _1067974)
   Call: (185) [system] get_char((0x56051b6b4f40), _1068904)
   Exit: (185) [system] get_char((0x56051b6b4f40), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1072618)
   Call: (186) [system] get_char((0x56051b6b4f40), _1073548)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1077262)
   Call: (187) [system] get_char((0x56051b6b4f40), _1078192)
   Exit: (187) [system] get_char((0x56051b6b4f40), 'Q')
   Call: (187) [system] char_type('Q', end_of_line)
   Call: (187) [system] 'Q'=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1081906)
   Call: (188) [system] get_char((0x56051b6b4f40), _1082836)
   Exit: (188) [system] get_char((0x56051b6b4f40), u)
   Call: (188) [system] char_type(u, end_of_line)
   Call: (188) [system] u=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1086550)
   Call: (189) [system] get_char((0x56051b6b4f40), _1087480)
   Exit: (189) [system] get_char((0x56051b6b4f40), a)
   Call: (189) [system] char_type(a, end_of_line)
   Call: (189) [system] a=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1091194)
   Call: (190) [system] get_char((0x56051b6b4f40), _1092124)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] char_type(t, end_of_line)
   Call: (190) [system] t=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1095838)
   Call: (191) [system] get_char((0x56051b6b4f40), _1096768)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] char_type(e, end_of_line)
   Call: (191) [system] e=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1100482)
   Call: (192) [system] get_char((0x56051b6b4f40), _1101412)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] char_type(r, end_of_line)
   Call: (192) [system] r=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1105126)
   Call: (193) [system] get_char((0x56051b6b4f40), _1106056)
   Exit: (193) [system] get_char((0x56051b6b4f40), n)
   Call: (193) [system] char_type(n, end_of_line)
   Call: (193) [system] n=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1109770)
   Call: (194) [system] get_char((0x56051b6b4f40), _1110700)
   Exit: (194) [system] get_char((0x56051b6b4f40), a)
   Call: (194) [system] char_type(a, end_of_line)
   Call: (194) [system] a=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1114414)
   Call: (195) [system] get_char((0x56051b6b4f40), _1115344)
   Exit: (195) [system] get_char((0x56051b6b4f40), r)
   Call: (195) [system] char_type(r, end_of_line)
   Call: (195) [system] r=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1119058)
   Call: (196) [system] get_char((0x56051b6b4f40), _1119988)
   Exit: (196) [system] get_char((0x56051b6b4f40), y)
   Call: (196) [system] char_type(y, end_of_line)
   Call: (196) [system] y=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1123702)
   Call: (197) [system] get_char((0x56051b6b4f40), _1124632)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1128346)
   Call: (198) [system] get_char((0x56051b6b4f40), _1129276)
   Exit: (198) [system] get_char((0x56051b6b4f40), r)
   Call: (198) [system] char_type(r, end_of_line)
   Call: (198) [system] r=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1132990)
   Call: (199) [system] get_char((0x56051b6b4f40), _1133920)
   Exit: (199) [system] get_char((0x56051b6b4f40), u)
   Call: (199) [system] char_type(u, end_of_line)
   Call: (199) [system] u=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1137634)
   Call: (200) [system] get_char((0x56051b6b4f40), _1138564)
   Exit: (200) [system] get_char((0x56051b6b4f40), l)
   Call: (200) [system] char_type(l, end_of_line)
   Call: (200) [system] l=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1142278)
   Call: (201) [system] get_char((0x56051b6b4f40), _1143208)
   Exit: (201) [system] get_char((0x56051b6b4f40), e)
   Call: (201) [system] char_type(e, end_of_line)
   Call: (201) [system] e=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1146922)
   Call: (202) [system] get_char((0x56051b6b4f40), _1147852)
   Exit: (202) [system] get_char((0x56051b6b4f40), '\n')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
   Call: (202) [system] _1146922=""
   Exit: (202) [system] ""=""
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (201) [system] string_concat(e, "", _1142278)
   Exit: (201) [system] string_concat(e, "", "e")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "e")
   Call: (200) [system] string_concat(l, "e", _1137634)
   Exit: (200) [system] string_concat(l, "e", "le")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "le")
   Call: (199) [system] string_concat(u, "le", _1132990)
   Exit: (199) [system] string_concat(u, "le", "ule")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "ule")
   Call: (198) [system] string_concat(r, "ule", _1128346)
   Exit: (198) [system] string_concat(r, "ule", "rule")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "rule")
   Call: (197) [system] string_concat(' ', "rule", _1123702)
   Exit: (197) [system] string_concat(' ', "rule", " rule")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), " rule")
   Call: (196) [system] string_concat(y, " rule", _1119058)
   Exit: (196) [system] string_concat(y, " rule", "y rule")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "y rule")
   Call: (195) [system] string_concat(r, "y rule", _1114414)
   Exit: (195) [system] string_concat(r, "y rule", "ry rule")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "ry rule")
   Call: (194) [system] string_concat(a, "ry rule", _1109770)
   Exit: (194) [system] string_concat(a, "ry rule", "ary rule")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "ary rule")
   Call: (193) [system] string_concat(n, "ary rule", _1105126)
   Exit: (193) [system] string_concat(n, "ary rule", "nary rule")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "nary rule")
   Call: (192) [system] string_concat(r, "nary rule", _1100482)
   Exit: (192) [system] string_concat(r, "nary rule", "rnary rule")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "rnary rule")
   Call: (191) [system] string_concat(e, "rnary rule", _1095838)
   Exit: (191) [system] string_concat(e, "rnary rule", "ernary rule")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "ernary rule")
   Call: (190) [system] string_concat(t, "ernary rule", _1091194)
   Exit: (190) [system] string_concat(t, "ernary rule", "ternary rule")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "ternary rule")
   Call: (189) [system] string_concat(a, "ternary rule", _1086550)
   Exit: (189) [system] string_concat(a, "ternary rule", "aternary rule")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "aternary rule")
   Call: (188) [system] string_concat(u, "aternary rule", _1081906)
   Exit: (188) [system] string_concat(u, "aternary rule", "uaternary rule")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "uaternary rule")
   Call: (187) [system] string_concat('Q', "uaternary rule", _1077262)
   Exit: (187) [system] string_concat('Q', "uaternary rule", "Quaternary rule")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), "Quaternary rule")
   Call: (186) [system] string_concat(' ', "Quaternary rule", _1072618)
   Exit: (186) [system] string_concat(' ', "Quaternary rule", " Quaternary rule")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), " Quaternary rule")
   Call: (185) [system] string_concat(;, " Quaternary rule", _1067974)
   Exit: (185) [system] string_concat(;, " Quaternary rule", "; Quaternary rule")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), "; Quaternary rule")
   Call: (184) [system] string_concat(;, "; Quaternary rule", _1063330)
   Exit: (184) [system] string_concat(;, "; Quaternary rule", ";; Quaternary rule")
^  Exit: (183) [user] read_until_eol((0x56051b6b4f40), ";; Quaternary rule")
^  Call: (183) [user] assertz(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (183) [user] assertz(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1208480)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1217872)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _994526)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1223442)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1231910)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1235624)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1237482)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1245950)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _1235624)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1256168)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1257102)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1256168=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1235624)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1266412, _1266414), once(user:catch(read_from_chars([=], _1235624), _1266388, fail)), '$restore_trace'(_1266412, _1266414))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1266412, _1266414))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1266388, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1273912)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1275770)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1282580)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1285284)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1294676)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1298390)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1300248)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1308716)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1298390)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1314286)
   Exit: (186) [system] peek_char((0x56051b6b4f40), s)
   Call: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1322754)
   Exit: (185) [system] peek_char((0x56051b6b4f40), s)
   Call: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1326468)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1328326)
   Exit: (187) [system] peek_char((0x56051b6b4f40), s)
   Call: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1336794)
   Exit: (186) [system] get_char((0x56051b6b4f40), s)
   Call: (186) [system] s='('
   Call: (186) [system] s='['
   Call: (186) [system] s='{'
   Call: (186) [system] s='"'
   Call: (186) [system] s=!
   Call: (186) [system] s='\''
   Call: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, _1326468)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1347012)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1347946)
   Exit: (188) [system] peek_char((0x56051b6b4f40), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_1351738, v('(', ')', end_of_file), y)
   Call: (188) [system] ')'==y
   Call: (188) [system] get_char((0x56051b6b4f40), y)
   Exit: (188) [system] get_char((0x56051b6b4f40), y)
   Call: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1356308)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1357242)
   Exit: (189) [system] peek_char((0x56051b6b4f40), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_1361034, v('(', ')', end_of_file), n)
   Call: (189) [system] ')'==n
   Call: (189) [system] get_char((0x56051b6b4f40), n)
   Exit: (189) [system] get_char((0x56051b6b4f40), n)
   Call: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1365604)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1366538)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1370330, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1374900)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1375834)
   Exit: (191) [system] peek_char((0x56051b6b4f40), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1379626, v('(', ')', end_of_file), h)
   Call: (191) [system] ')'==h
   Call: (191) [system] get_char((0x56051b6b4f40), h)
   Exit: (191) [system] get_char((0x56051b6b4f40), h)
   Call: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1384196)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1385130)
   Exit: (192) [system] peek_char((0x56051b6b4f40), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1388922, v('(', ')', end_of_file), e)
   Call: (192) [system] ')'==e
   Call: (192) [system] get_char((0x56051b6b4f40), e)
   Exit: (192) [system] get_char((0x56051b6b4f40), e)
   Call: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1393492)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1394426)
   Exit: (193) [system] peek_char((0x56051b6b4f40), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1398218, v('(', ')', end_of_file), s)
   Call: (193) [system] ')'==s
   Call: (193) [system] get_char((0x56051b6b4f40), s)
   Exit: (193) [system] get_char((0x56051b6b4f40), s)
   Call: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1402788)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1403722)
   Exit: (194) [system] peek_char((0x56051b6b4f40), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1407514, v('(', ')', end_of_file), i)
   Call: (194) [system] ')'==i
   Call: (194) [system] get_char((0x56051b6b4f40), i)
   Exit: (194) [system] get_char((0x56051b6b4f40), i)
   Call: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1412084)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1413018)
   Exit: (195) [system] peek_char((0x56051b6b4f40), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1416810, v('(', ')', end_of_file), z)
   Call: (195) [system] ')'==z
   Call: (195) [system] get_char((0x56051b6b4f40), z)
   Exit: (195) [system] get_char((0x56051b6b4f40), z)
   Call: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1421380)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1422314)
   Exit: (196) [system] peek_char((0x56051b6b4f40), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1426106, v('(', ')', end_of_file), e)
   Call: (196) [system] ')'==e
   Call: (196) [system] get_char((0x56051b6b4f40), e)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1430676)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1431610)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1430676=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1421380=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (195) [system] _1412084=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (194) [system] _1402788=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (193) [system] _1393492=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (192) [system] _1384196=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (191) [system] _1374900=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (190) [system] _1365604=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (189) [system] _1356308=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _1347012=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1326468)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1466066, _1466068), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1326468), _1466042, fail)), '$restore_trace'(_1466066, _1466068))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1466066, _1466068))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1466042, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1473566)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1475424)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _1482234)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1484938)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1494330)
   Exit: (186) [system] peek_char((0x56051b6b4f40), $)
   Call: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1498044)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1499902)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1508370)
   Exit: (187) [system] get_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _1498044)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1518588)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1519522)
   Exit: (189) [system] peek_char((0x56051b6b4f40), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1523314, v('(', ')', end_of_file), q)
   Call: (189) [system] ')'==q
   Call: (189) [system] get_char((0x56051b6b4f40), q)
   Exit: (189) [system] get_char((0x56051b6b4f40), q)
   Call: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1527884)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1528818)
   Exit: (190) [system] peek_char((0x56051b6b4f40), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1532610, v('(', ')', end_of_file), u)
   Call: (190) [system] ')'==u
   Call: (190) [system] get_char((0x56051b6b4f40), u)
   Exit: (190) [system] get_char((0x56051b6b4f40), u)
   Call: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1537180)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1538114)
   Exit: (191) [system] peek_char((0x56051b6b4f40), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1541906, v('(', ')', end_of_file), e)
   Call: (191) [system] ')'==e
   Call: (191) [system] get_char((0x56051b6b4f40), e)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1546476)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1547410)
   Exit: (192) [system] peek_char((0x56051b6b4f40), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1551202, v('(', ')', end_of_file), r)
   Call: (192) [system] ')'==r
   Call: (192) [system] get_char((0x56051b6b4f40), r)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1555772)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1556706)
   Exit: (193) [system] peek_char((0x56051b6b4f40), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1560498, v('(', ')', end_of_file), y)
   Call: (193) [system] ')'==y
   Call: (193) [system] get_char((0x56051b6b4f40), y)
   Exit: (193) [system] get_char((0x56051b6b4f40), y)
   Call: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1565068)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1566002)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1565068=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1555772=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (192) [system] _1546476=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (191) [system] _1537180=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (190) [system] _1527884=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (189) [system] _1518588=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1498044)
   Call: (189) [system] atom_chars(_1589256, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _1593920)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1595778)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1602588)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1605292)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1614684)
   Exit: (187) [system] peek_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _1618398)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1620256)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _1628724)
   Exit: (188) [system] get_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _1618398)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1638942)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1639876)
   Exit: (190) [system] peek_char((0x56051b6b4f40), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1643668, v('(', ')', end_of_file), k)
   Call: (190) [system] ')'==k
   Call: (190) [system] get_char((0x56051b6b4f40), k)
   Exit: (190) [system] get_char((0x56051b6b4f40), k)
   Call: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1648238)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1649172)
   Exit: (191) [system] peek_char((0x56051b6b4f40), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1652964, v('(', ')', end_of_file), b)
   Call: (191) [system] ')'==b
   Call: (191) [system] get_char((0x56051b6b4f40), b)
   Exit: (191) [system] get_char((0x56051b6b4f40), b)
   Call: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1657534)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1658468)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1657534=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _1648238=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (190) [system] _1638942=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _1618398)
   Call: (190) [system] atom_chars(_1673340, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1678004)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1679862)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1686672)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1689376)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1698768)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _1702482)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1704340)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _1712808)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _1702482)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1723026)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1723960)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1727752, v('(', ')', end_of_file), r)
   Call: (191) [system] ')'==r
   Call: (191) [system] get_char((0x56051b6b4f40), r)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1732322)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1733256)
   Exit: (192) [system] peek_char((0x56051b6b4f40), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1737048, v('(', ')', end_of_file), b)
   Call: (192) [system] ')'==b
   Call: (192) [system] get_char((0x56051b6b4f40), b)
   Exit: (192) [system] get_char((0x56051b6b4f40), b)
   Call: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1741618)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1742552)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1741618=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (192) [system] _1732322=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (191) [system] _1723026=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _1702482)
   Call: (191) [system] atom_chars(_1757424, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1762088)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1763946)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _1770756)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1773460)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1782852)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _1786566)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1788424)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _1796892)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _1786566)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1802462)
   Exit: (192) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (192) [system] 'S'=(;)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1810930)
   Exit: (191) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1814644)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1816502)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (193) [system] 'S'=(;)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1824970)
   Exit: (192) [system] get_char((0x56051b6b4f40), 'S')
   Call: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'S', _1814644)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1835188)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1836122)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1835188=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq('S', [], _1814644)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1845432, _1845434), once(user:catch(read_from_chars(['S'], _1814644), _1845408, fail)), '$restore_trace'(_1845432, _1845434))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1845432, _1845434))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1814644), _1845408, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_1814644)
   Call: (194) [system] atom_chars(_1814644, ['S'])
   Exit: (194) [system] atom_chars('S', ['S'])
^  Exit: (193) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), 'S')
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1853884)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1855742)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1862552)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1865256)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1874648)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1878362)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1880220)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1888688)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _1878362)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1898906)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1899840)
   Exit: (195) [system] peek_char((0x56051b6b4f40), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1903632, v('(', ')', end_of_file), k)
   Call: (195) [system] ')'==k
   Call: (195) [system] get_char((0x56051b6b4f40), k)
   Exit: (195) [system] get_char((0x56051b6b4f40), k)
   Call: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1908202)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1909136)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1912928, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1908202=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1898906=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (194) [user] classify_and_convert_charseq($, [k], _1878362)
   Call: (195) [system] atom_chars(_1922158, ['_', k])
   Exit: (195) [system] atom_chars('_k', ['_', k])
^  Exit: (194) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1926822)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1928680)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1937148)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _1940938)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _1926822=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _1853884=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (191) [system] _1786566=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), ['S', _k])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1952026)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1953884)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
   Call: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1962352)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x56051b6b4f40), _1966142)
   Exit: (190) [system] get_char((0x56051b6b4f40), ')')
   Call: (190) [system] _1952026=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (189) [system] _1762088=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [['S', _k]])
   Call: (188) [system] _1678004=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_rb, ['S', _k]])
   Call: (187) [system] _1593920=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _1473566=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _1298390=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _1985612)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1987470)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x56051b6b4f40), _1995086)
   Exit: (185) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1997790)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x56051b6b4f40), _2004600)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _2007304)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _2014114)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _2016818)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _2023628)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _2026332)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _2038496)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _2042210)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2044068)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _2052536)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _2042210)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _2058106)
   Exit: (187) [system] peek_char((0x56051b6b4f40), l)
   Call: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2066574)
   Exit: (186) [system] peek_char((0x56051b6b4f40), l)
   Call: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _2070288)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _2072146)
   Exit: (188) [system] peek_char((0x56051b6b4f40), l)
   Call: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _2080614)
   Exit: (187) [system] get_char((0x56051b6b4f40), l)
   Call: (187) [system] l='('
   Call: (187) [system] l='['
   Call: (187) [system] l='{'
   Call: (187) [system] l='"'
   Call: (187) [system] l=!
   Call: (187) [system] l='\''
   Call: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, _2070288)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2090832)
   Call: (189) [system] peek_char((0x56051b6b4f40), _2091766)
   Exit: (189) [system] peek_char((0x56051b6b4f40), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_2095558, v('(', ')', end_of_file), e)
   Call: (189) [system] ')'==e
   Call: (189) [system] get_char((0x56051b6b4f40), e)
   Exit: (189) [system] get_char((0x56051b6b4f40), e)
   Call: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _6808)
   Call: (190) [system] peek_char((0x56051b6b4f40), _7742)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_11534, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _16104)
   Call: (191) [system] peek_char((0x56051b6b4f40), _17038)
   Exit: (191) [system] peek_char((0x56051b6b4f40), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_20830, v('(', ')', end_of_file), *)
   Call: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x56051b6b4f40), *)
   Exit: (191) [system] get_char((0x56051b6b4f40), *)
   Call: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _25400)
   Call: (192) [system] peek_char((0x56051b6b4f40), _26334)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _25400=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _16104=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [*])
   Call: (190) [system] _6808=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, *])
   Call: (189) [system] _3440=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t, *], _3436)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_44026, _44028), once(user:catch(read_from_chars([l, e, t, *], _3436), _44002, fail)), '$restore_trace'(_44026, _44028))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_44026, _44028))
   Call: (189) [system] atom_chars(_3436, [l, e, t, *])
   Exit: (189) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), 'let*')
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _8208)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _10066)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _16876)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _19580)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _28972)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _32686)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _34544)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _43012)
   Exit: (188) [system] get_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _32686)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _48582)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _57050)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _60764)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _62622)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _71090)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _60764)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _76660)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _85128)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _88842)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _90700)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _99168)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _88842)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _104738)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _113206)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _116920)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _118778)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _127246)
   Exit: (194) [system] get_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, _116920)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _137464)
   Call: (196) [system] peek_char((0x56051b6b4f40), _138398)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _137464=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _116920)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_147708, _147710), once(user:catch(read_from_chars([:], _116920), _147684, fail)), '$restore_trace'(_147708, _147710))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_147708, _147710))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _147684, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _155208)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _157066)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _163876)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _166580)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _175972)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _179686)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _181544)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _190012)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _179686)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _200230)
   Call: (197) [system] peek_char((0x56051b6b4f40), _201164)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_204956, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _209526)
   Call: (198) [system] peek_char((0x56051b6b4f40), _210460)
   Exit: (198) [system] peek_char((0x56051b6b4f40), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_214252, v('(', ')', end_of_file), u)
   Call: (198) [system] ')'==u
   Call: (198) [system] get_char((0x56051b6b4f40), u)
   Exit: (198) [system] get_char((0x56051b6b4f40), u)
   Call: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _218822)
   Call: (199) [system] peek_char((0x56051b6b4f40), _219756)
   Exit: (199) [system] peek_char((0x56051b6b4f40), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_223548, v('(', ')', end_of_file), c)
   Call: (199) [system] ')'==c
   Call: (199) [system] get_char((0x56051b6b4f40), c)
   Exit: (199) [system] get_char((0x56051b6b4f40), c)
   Call: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _228118)
   Call: (200) [system] peek_char((0x56051b6b4f40), _229052)
   Exit: (200) [system] peek_char((0x56051b6b4f40), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_232844, v('(', ')', end_of_file), t)
   Call: (200) [system] ')'==t
   Call: (200) [system] get_char((0x56051b6b4f40), t)
   Exit: (200) [system] get_char((0x56051b6b4f40), t)
   Call: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _237414)
   Call: (201) [system] peek_char((0x56051b6b4f40), _238348)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_242140, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _246710)
   Call: (202) [system] peek_char((0x56051b6b4f40), _247644)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_251436, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256006)
   Call: (203) [system] peek_char((0x56051b6b4f40), _256940)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _256006=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _246710=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
   Call: (201) [system] _237414=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, r])
   Call: (200) [system] _228118=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, r])
   Call: (199) [system] _218822=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, o, r])
   Call: (198) [system] _209526=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, o, r])
   Call: (197) [system] _200230=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _179686)
   Call: (197) [system] atom_chars(_282988, ['_', r, u, c, t, o, r])
   Exit: (197) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _ructor)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _287652)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _289510)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _296320)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _299024)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _308416)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _312130)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _313988)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _322456)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _312130)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _328026)
   Exit: (198) [system] peek_char((0x56051b6b4f40), -)
   Call: (198) [system] (-)=(;)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _336494)
   Exit: (197) [system] peek_char((0x56051b6b4f40), -)
   Call: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _340208)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _342066)
   Exit: (199) [system] peek_char((0x56051b6b4f40), -)
   Call: (199) [system] (-)=(;)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _350534)
   Exit: (198) [system] get_char((0x56051b6b4f40), -)
   Call: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), -, _340208)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _360752)
   Call: (200) [system] peek_char((0x56051b6b4f40), _361686)
   Exit: (200) [system] peek_char((0x56051b6b4f40), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_365478, v('(', ')', end_of_file), >)
   Call: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x56051b6b4f40), >)
   Exit: (200) [system] get_char((0x56051b6b4f40), >)
   Call: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _370048)
   Call: (201) [system] peek_char((0x56051b6b4f40), _370982)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _370048=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _360752=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (199) [user] classify_and_convert_charseq(-, [>], _340208)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_383086, _383088), once(user:catch(read_from_chars([-, >], _340208), _383062, fail)), '$restore_trace'(_383086, _383088))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_383086, _383088))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _383062, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(->)
   Exit: (200) [system] atomic(->)
^  Exit: (199) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _390586)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _392444)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _399254)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _401958)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _411350)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _415064)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _416922)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _425390)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _415064)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _435608)
   Call: (201) [system] peek_char((0x56051b6b4f40), _436542)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_440334, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _444904)
   Call: (202) [system] peek_char((0x56051b6b4f40), _445838)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_449630, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454200)
   Call: (203) [system] peek_char((0x56051b6b4f40), _455134)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_458926, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _463496)
   Call: (204) [system] peek_char((0x56051b6b4f40), _464430)
   Exit: (204) [system] peek_char((0x56051b6b4f40), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_468222, v('(', ')', end_of_file), m)
   Call: (204) [system] ')'==m
   Call: (204) [system] get_char((0x56051b6b4f40), m)
   Exit: (204) [system] get_char((0x56051b6b4f40), m)
   Call: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _472792)
   Call: (205) [system] peek_char((0x56051b6b4f40), _473726)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_477518, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _482088)
   Call: (206) [system] peek_char((0x56051b6b4f40), _483022)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_486814, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _491384)
   Call: (207) [system] peek_char((0x56051b6b4f40), _492318)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_496110, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _500680)
   Call: (208) [system] peek_char((0x56051b6b4f40), _501614)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_505406, v('(', ')', end_of_file), '1')
   Call: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x56051b6b4f40), '1')
   Exit: (208) [system] get_char((0x56051b6b4f40), '1')
   Call: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _509976)
   Call: (209) [system] peek_char((0x56051b6b4f40), _510910)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _509976=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _500680=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (207) [system] _491384=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (206) [system] _482088=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (205) [system] _472792=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (204) [system] _463496=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (203) [system] _454200=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (202) [system] _444904=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _435608=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _415064)
   Call: (201) [system] atom_chars(_542546, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _547210)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _549068)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _555878)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _558582)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _567974)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _571688)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _573546)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _582014)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _571688)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592232)
   Call: (202) [system] peek_char((0x56051b6b4f40), _593166)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_596958, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _601528)
   Call: (203) [system] peek_char((0x56051b6b4f40), _602462)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_606254, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _610824)
   Call: (204) [system] peek_char((0x56051b6b4f40), _611758)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_615550, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620120)
   Call: (205) [system] peek_char((0x56051b6b4f40), _621054)
   Exit: (205) [system] peek_char((0x56051b6b4f40), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_624846, v('(', ')', end_of_file), m)
   Call: (205) [system] ')'==m
   Call: (205) [system] get_char((0x56051b6b4f40), m)
   Exit: (205) [system] get_char((0x56051b6b4f40), m)
   Call: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _629416)
   Call: (206) [system] peek_char((0x56051b6b4f40), _630350)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_634142, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638712)
   Call: (207) [system] peek_char((0x56051b6b4f40), _639646)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_643438, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _648008)
   Call: (208) [system] peek_char((0x56051b6b4f40), _648942)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_652734, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657304)
   Call: (209) [system] peek_char((0x56051b6b4f40), _658238)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_662030, v('(', ')', end_of_file), '2')
   Call: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x56051b6b4f40), '2')
   Exit: (209) [system] get_char((0x56051b6b4f40), '2')
   Call: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666600)
   Call: (210) [system] peek_char((0x56051b6b4f40), _667534)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _666600=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _657304=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (208) [system] _648008=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (207) [system] _638712=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (206) [system] _629416=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (205) [system] _620120=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (204) [system] _610824=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (203) [system] _601528=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _592232=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _571688)
   Call: (202) [system] atom_chars(_699170, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _703834)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _705692)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _712502)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _715206)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _724598)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _728312)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _730170)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _738638)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _728312)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _748856)
   Call: (203) [system] peek_char((0x56051b6b4f40), _749790)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_753582, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _758152)
   Call: (204) [system] peek_char((0x56051b6b4f40), _759086)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_762878, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _767448)
   Call: (205) [system] peek_char((0x56051b6b4f40), _768382)
   Exit: (205) [system] peek_char((0x56051b6b4f40), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_772174, v('(', ')', end_of_file), e)
   Call: (205) [system] ')'==e
   Call: (205) [system] get_char((0x56051b6b4f40), e)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _776744)
   Call: (206) [system] peek_char((0x56051b6b4f40), _777678)
   Exit: (206) [system] peek_char((0x56051b6b4f40), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_781470, v('(', ')', end_of_file), m)
   Call: (206) [system] ')'==m
   Call: (206) [system] get_char((0x56051b6b4f40), m)
   Exit: (206) [system] get_char((0x56051b6b4f40), m)
   Call: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _786040)
   Call: (207) [system] peek_char((0x56051b6b4f40), _786974)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_790766, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _795336)
   Call: (208) [system] peek_char((0x56051b6b4f40), _796270)
   Exit: (208) [system] peek_char((0x56051b6b4f40), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_800062, v('(', ')', end_of_file), s)
   Call: (208) [system] ')'==s
   Call: (208) [system] get_char((0x56051b6b4f40), s)
   Exit: (208) [system] get_char((0x56051b6b4f40), s)
   Call: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _804632)
   Call: (209) [system] peek_char((0x56051b6b4f40), _805566)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_809358, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _813928)
   Call: (210) [system] peek_char((0x56051b6b4f40), _814862)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_818654, v('(', ')', end_of_file), '3')
   Call: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x56051b6b4f40), '3')
   Exit: (210) [system] get_char((0x56051b6b4f40), '3')
   Call: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _823224)
   Call: (211) [system] peek_char((0x56051b6b4f40), _824158)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _823224=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _813928=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (209) [system] _804632=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '3'])
   Call: (208) [system] _795336=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '3'])
   Call: (207) [system] _786040=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '3'])
   Call: (206) [system] _776744=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '3'])
   Call: (205) [system] _767448=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '3'])
   Call: (204) [system] _758152=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _748856=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _728312)
   Call: (203) [system] atom_chars(_855794, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _premise3)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _860458)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _862316)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _869126)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _871830)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _881222)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _884936)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _886794)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _895262)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _884936)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _905480)
   Call: (204) [system] peek_char((0x56051b6b4f40), _906414)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_910206, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _914776)
   Call: (205) [system] peek_char((0x56051b6b4f40), _915710)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_919502, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _924072)
   Call: (206) [system] peek_char((0x56051b6b4f40), _925006)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_928798, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _933368)
   Call: (207) [system] peek_char((0x56051b6b4f40), _934302)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_938094, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _942664)
   Call: (208) [system] peek_char((0x56051b6b4f40), _943598)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_947390, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _951960)
   Call: (209) [system] peek_char((0x56051b6b4f40), _952894)
   Exit: (209) [system] peek_char((0x56051b6b4f40), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_956686, v('(', ')', end_of_file), s)
   Call: (209) [system] ')'==s
   Call: (209) [system] get_char((0x56051b6b4f40), s)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _961256)
   Call: (210) [system] peek_char((0x56051b6b4f40), _962190)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_965982, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _970552)
   Call: (211) [system] peek_char((0x56051b6b4f40), _971486)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_975278, v('(', ')', end_of_file), '4')
   Call: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x56051b6b4f40), '4')
   Exit: (211) [system] get_char((0x56051b6b4f40), '4')
   Call: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _979848)
   Call: (212) [system] peek_char((0x56051b6b4f40), _980782)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _979848=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _970552=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (210) [system] _961256=[e, '4']
   Exit: (210) [system] [e, '4']=[e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '4'])
   Call: (209) [system] _951960=[s, e, '4']
   Exit: (209) [system] [s, e, '4']=[s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '4'])
   Call: (208) [system] _942664=[i, s, e, '4']
   Exit: (208) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '4'])
   Call: (207) [system] _933368=[m, i, s, e, '4']
   Exit: (207) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '4'])
   Call: (206) [system] _924072=[e, m, i, s, e, '4']
   Exit: (206) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '4'])
   Call: (205) [system] _914776=[r, e, m, i, s, e, '4']
   Exit: (205) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '4'])
   Call: (204) [system] _905480=[p, r, e, m, i, s, e, '4']
   Exit: (204) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '4'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _884936)
   Call: (204) [system] atom_chars(_1012418, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (204) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise4)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _premise4)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1017082)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1018940)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1025750)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1028454)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1037846)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1041560)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1043418)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1051886)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _1041560)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1062104)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1063038)
   Exit: (205) [system] peek_char((0x56051b6b4f40), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1066830, v('(', ')', end_of_file), c)
   Call: (205) [system] ')'==c
   Call: (205) [system] get_char((0x56051b6b4f40), c)
   Exit: (205) [system] get_char((0x56051b6b4f40), c)
   Call: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1071400)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1072334)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1076126, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1080696)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1081630)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1085422, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1089992)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1090926)
   Exit: (208) [system] peek_char((0x56051b6b4f40), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1094718, v('(', ')', end_of_file), c)
   Call: (208) [system] ')'==c
   Call: (208) [system] get_char((0x56051b6b4f40), c)
   Exit: (208) [system] get_char((0x56051b6b4f40), c)
   Call: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1099288)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1100222)
   Exit: (209) [system] peek_char((0x56051b6b4f40), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1104014, v('(', ')', end_of_file), l)
   Call: (209) [system] ')'==l
   Call: (209) [system] get_char((0x56051b6b4f40), l)
   Exit: (209) [system] get_char((0x56051b6b4f40), l)
   Call: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1108584)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1109518)
   Exit: (210) [system] peek_char((0x56051b6b4f40), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_1113310, v('(', ')', end_of_file), u)
   Call: (210) [system] ')'==u
   Call: (210) [system] get_char((0x56051b6b4f40), u)
   Exit: (210) [system] get_char((0x56051b6b4f40), u)
   Call: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1117880)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1118814)
   Exit: (211) [system] peek_char((0x56051b6b4f40), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1122606, v('(', ')', end_of_file), s)
   Call: (211) [system] ')'==s
   Call: (211) [system] get_char((0x56051b6b4f40), s)
   Exit: (211) [system] get_char((0x56051b6b4f40), s)
   Call: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1127176)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1128110)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1131902, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1136472)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1137406)
   Exit: (213) [system] peek_char((0x56051b6b4f40), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1141198, v('(', ')', end_of_file), o)
   Call: (213) [system] ')'==o
   Call: (213) [system] get_char((0x56051b6b4f40), o)
   Exit: (213) [system] get_char((0x56051b6b4f40), o)
   Call: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1145768)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1146702)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1150494, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1155064)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1155998)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1159790, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1155064=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1145768=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (213) [system] _1136472=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (212) [system] _1127176=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (211) [system] _1117880=[s, i, o, n]
   Exit: (211) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, o, n])
   Call: (210) [system] _1108584=[u, s, i, o, n]
   Exit: (210) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, i, o, n])
   Call: (209) [system] _1099288=[l, u, s, i, o, n]
   Exit: (209) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, u, s, i, o, n])
   Call: (208) [system] _1089992=[c, l, u, s, i, o, n]
   Exit: (208) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, l, u, s, i, o, n])
   Call: (207) [system] _1080696=[n, c, l, u, s, i, o, n]
   Exit: (207) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, l, u, s, i, o, n])
   Call: (206) [system] _1071400=[o, n, c, l, u, s, i, o, n]
   Exit: (206) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, c, l, u, s, i, o, n])
   Call: (205) [system] _1062104=[c, o, n, c, l, u, s, i, o, n]
   Exit: (205) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, o, n, c, l, u, s, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _1041560)
   Call: (205) [system] atom_chars(_1194166, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (205) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _conclusion)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _conclusion)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1198830)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1200688)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1209156)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _1212946)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _1198830=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _1017082=[_conclusion]
   Exit: (202) [system] [_conclusion]=[_conclusion]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_conclusion])
   Call: (201) [system] _860458=[_premise4, _conclusion]
   Exit: (201) [system] [_premise4, _conclusion]=[_premise4, _conclusion]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_premise4, _conclusion])
   Call: (200) [system] _703834=[_premise3, _premise4, _conclusion]
   Exit: (200) [system] [_premise3, _premise4, _conclusion]=[_premise3, _premise4, _conclusion]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_premise3, _premise4, _conclusion])
   Call: (199) [system] _547210=[_premise2, _premise3, _premise4, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _premise4, _conclusion]=[_premise2, _premise3, _premise4, _conclusion]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_premise2, _premise3, _premise4, _conclusion])
   Call: (198) [system] _390586=[_premise1, _premise2, _premise3, _premise4, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _premise4, _conclusion]=[_premise1, _premise2, _premise3, _premise4, _conclusion]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (197) [system] _312130=[->, _premise1, _premise2, _premise3, _premise4, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _premise4, _conclusion]=[->, _premise1, _premise2, _premise3, _premise4, _conclusion]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [->, _premise1, _premise2, _premise3, _premise4, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [->, _premise1, _premise2, _premise3, _premise4, _conclusion])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1235210)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1237068)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1245536)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1249326)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1235210=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _287652=[[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[[->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (194) [system] _155208=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (193) [system] _88842=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1263208)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1265066)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1271876)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1274580)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1283972)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1287686)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1289544)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1298012)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1287686)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1303582)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1312050)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1315764)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1317622)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1326090)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _1315764)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1336308)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1337242)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1341034, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1345604)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1346538)
   Exit: (198) [system] peek_char((0x56051b6b4f40), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1350330, v('(', ')', end_of_file), b)
   Call: (198) [system] ')'==b
   Call: (198) [system] get_char((0x56051b6b4f40), b)
   Exit: (198) [system] get_char((0x56051b6b4f40), b)
   Call: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1354900)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1355834)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1359626, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1354900=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1345604=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (197) [system] _1336308=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (196) [user] classify_and_convert_charseq($, [r, b], _1315764)
   Call: (197) [system] atom_chars(_1371650, ['_', r, b])
   Exit: (197) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1376314)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1378172)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1386640)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _1390430)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _1376314=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _1287686=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [_rb])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1398724)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1400582)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1409050)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _1412840)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _1398724=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _1263208=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[_rb]])
   Call: (191) [system] _60764=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1423928)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1425786)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x56051b6b4f40), _1433402)
   Exit: (191) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1436106)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1442916)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1445620)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1452430)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1455134)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1461944)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1464648)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1471458)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1474162)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1480972)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1483676)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1490486)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1493190)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1500000)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1502704)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1509514)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1512218)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1519028)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1521732)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1528542)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1531246)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1549878)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1553592)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1555450)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _1563918)
   Exit: (191) [system] get_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1553592)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1569488)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1577956)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1581670)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1583528)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1591996)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1581670)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1597566)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1606034)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1609748)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1611606)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1620074)
   Exit: (195) [system] get_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, _1609748)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1630292)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1631226)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1630292=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _1609748)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1640536, _1640538), once(user:catch(read_from_chars([:], _1609748), _1640512, fail)), '$restore_trace'(_1640536, _1640538))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1640536, _1640538))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1640512, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1648036)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1649894)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1656704)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1659408)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1668800)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1672514)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1674372)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1682840)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1672514)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1688410)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1696878)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1700592)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1702450)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1710918)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _1700592)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1721136)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1722070)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1725862, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1730432)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1731366)
   Exit: (201) [system] peek_char((0x56051b6b4f40), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1735158, v('(', ')', end_of_file), u)
   Call: (201) [system] ')'==u
   Call: (201) [system] get_char((0x56051b6b4f40), u)
   Exit: (201) [system] get_char((0x56051b6b4f40), u)
   Call: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1739728)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1740662)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1744454, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1749024)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1749958)
   Exit: (203) [system] peek_char((0x56051b6b4f40), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1753750, v('(', ')', end_of_file), t)
   Call: (203) [system] ')'==t
   Call: (203) [system] get_char((0x56051b6b4f40), t)
   Exit: (203) [system] get_char((0x56051b6b4f40), t)
   Call: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1758320)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1759254)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1763046, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1767616)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1768550)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1772342, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1776912)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1777846)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1776912=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1767616=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
   Call: (204) [system] _1758320=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, r])
   Call: (203) [system] _1749024=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, r])
   Call: (202) [system] _1739728=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, o, r])
   Call: (201) [system] _1730432=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, o, r])
   Call: (200) [system] _1721136=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _1700592)
   Call: (200) [system] atom_chars(_1803894, ['_', r, u, c, t, o, r])
   Exit: (200) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _ructor)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1808558)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1810416)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1817226)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1819930)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1829322)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1833036)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1834894)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1843362)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1833036)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1853580)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1854514)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1858306, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1862876)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1863810)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1867602, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1872172)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1873106)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1876898, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1881468)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1882402)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1886194, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1890764)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1891698)
   Exit: (205) [system] peek_char((0x56051b6b4f40), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1895490, v('(', ')', end_of_file), f)
   Call: (205) [system] ')'==f
   Call: (205) [system] get_char((0x56051b6b4f40), f)
   Exit: (205) [system] get_char((0x56051b6b4f40), f)
   Call: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1900060)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1900994)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_1904786, v('(', ')', end_of_file), '1')
   Call: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x56051b6b4f40), '1')
   Exit: (206) [system] get_char((0x56051b6b4f40), '1')
   Call: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1909356)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1910290)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1909356=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1900060=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (205) [system] _1890764=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (204) [system] _1881468=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (203) [system] _1872172=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (202) [system] _1862876=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (201) [system] _1853580=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1833036)
   Call: (201) [system] atom_chars(_1936338, ['_', p, r, o, o, f, '1'])
   Exit: (201) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1941002)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1942860)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1949670)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1952374)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1961766)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1965480)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1967338)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1975806)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1965480)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1986024)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1986958)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1990750, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1995320)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1996254)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_2000046, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2004616)
   Call: (204) [system] peek_char((0x56051b6b4f40), _2005550)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_2009342, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2013912)
   Call: (205) [system] peek_char((0x56051b6b4f40), _2014846)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_2018638, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2023208)
   Call: (206) [system] peek_char((0x56051b6b4f40), _2024142)
   Exit: (206) [system] peek_char((0x56051b6b4f40), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_2027934, v('(', ')', end_of_file), f)
   Call: (206) [system] ')'==f
   Call: (206) [system] get_char((0x56051b6b4f40), f)
   Exit: (206) [system] get_char((0x56051b6b4f40), f)
   Call: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2032504)
   Call: (207) [system] peek_char((0x56051b6b4f40), _2033438)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_2037230, v('(', ')', end_of_file), '2')
   Call: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x56051b6b4f40), '2')
   Exit: (207) [system] get_char((0x56051b6b4f40), '2')
   Call: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2041800)
   Call: (208) [system] peek_char((0x56051b6b4f40), _2042734)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _2041800=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _2032504=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (206) [system] _2023208=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (205) [system] _2013912=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (204) [system] _2004616=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (203) [system] _1995320=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (202) [system] _1986024=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _1965480)
   Call: (202) [system] atom_chars(_2068782, ['_', p, r, o, o, f, '2'])
   Exit: (202) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _2073446)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _2075304)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _2082114)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _2084818)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _2094210)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _4508)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _6366)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _14834)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _4508)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _25052)
   Call: (203) [system] peek_char((0x56051b6b4f40), _25986)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_29778, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _34348)
   Call: (204) [system] peek_char((0x56051b6b4f40), _35282)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_39074, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _43644)
   Call: (205) [system] peek_char((0x56051b6b4f40), _44578)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_48370, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _52940)
   Call: (206) [system] peek_char((0x56051b6b4f40), _53874)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_57666, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _62236)
   Call: (207) [system] peek_char((0x56051b6b4f40), _63170)
   Exit: (207) [system] peek_char((0x56051b6b4f40), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_66962, v('(', ')', end_of_file), f)
   Call: (207) [system] ')'==f
   Call: (207) [system] get_char((0x56051b6b4f40), f)
   Exit: (207) [system] get_char((0x56051b6b4f40), f)
   Call: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _71532)
   Call: (208) [system] peek_char((0x56051b6b4f40), _72466)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_76258, v('(', ')', end_of_file), '3')
   Call: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x56051b6b4f40), '3')
   Exit: (208) [system] get_char((0x56051b6b4f40), '3')
   Call: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _80828)
   Call: (209) [system] peek_char((0x56051b6b4f40), _81762)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _80828=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _71532=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (207) [system] _62236=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '3'])
   Call: (206) [system] _52940=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '3'])
   Call: (205) [system] _43644=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '3'])
   Call: (204) [system] _34348=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '3'])
   Call: (203) [system] _25052=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _4508)
   Call: (203) [system] atom_chars(_107810, ['_', p, r, o, o, f, '3'])
   Exit: (203) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _proof3)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _112474)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _114332)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _121142)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _123846)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _133238)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _136952)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _138810)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _147278)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _136952)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _157496)
   Call: (204) [system] peek_char((0x56051b6b4f40), _158430)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_162222, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _166792)
   Call: (205) [system] peek_char((0x56051b6b4f40), _167726)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_171518, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _176088)
   Call: (206) [system] peek_char((0x56051b6b4f40), _177022)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_180814, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _185384)
   Call: (207) [system] peek_char((0x56051b6b4f40), _186318)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_190110, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _194680)
   Call: (208) [system] peek_char((0x56051b6b4f40), _195614)
   Exit: (208) [system] peek_char((0x56051b6b4f40), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_199406, v('(', ')', end_of_file), f)
   Call: (208) [system] ')'==f
   Call: (208) [system] get_char((0x56051b6b4f40), f)
   Exit: (208) [system] get_char((0x56051b6b4f40), f)
   Call: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _203976)
   Call: (209) [system] peek_char((0x56051b6b4f40), _204910)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (209) [user] is_delimiter('4')
   Call: (210) [system] char_type('4', space)
   Call: (210) [system] arg(_208702, v('(', ')', end_of_file), '4')
   Call: (209) [system] ')'=='4'
   Call: (209) [system] get_char((0x56051b6b4f40), '4')
   Exit: (209) [system] get_char((0x56051b6b4f40), '4')
   Call: (209) [system] '4'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _213272)
   Call: (210) [system] peek_char((0x56051b6b4f40), _214206)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_217998, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _213272=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _203976=['4']
   Exit: (209) [system] ['4']=['4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (208) [system] _194680=[f, '4']
   Exit: (208) [system] [f, '4']=[f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '4'])
   Call: (207) [system] _185384=[o, f, '4']
   Exit: (207) [system] [o, f, '4']=[o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '4'])
   Call: (206) [system] _176088=[o, o, f, '4']
   Exit: (206) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '4'])
   Call: (205) [system] _166792=[r, o, o, f, '4']
   Exit: (205) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '4'])
   Call: (204) [system] _157496=[p, r, o, o, f, '4']
   Exit: (204) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '4'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _136952)
   Call: (204) [system] atom_chars(_241198, ['_', p, r, o, o, f, '4'])
   Exit: (204) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof4)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _proof4)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _245862)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _247720)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _256188)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _259978)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _245862=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _112474=[_proof4]
   Exit: (201) [system] [_proof4]=[_proof4]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_proof4])
   Call: (200) [system] _3604=[_proof3, _proof4]
   Exit: (200) [system] [_proof3, _proof4]=[_proof3, _proof4]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_proof3, _proof4])
   Call: (199) [system] _3594=[_proof2, _proof3, _proof4]
   Exit: (199) [system] [_proof2, _proof3, _proof4]=[_proof2, _proof3, _proof4]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_proof2, _proof3, _proof4])
   Call: (198) [system] _3584=[_proof1, _proof2, _proof3, _proof4]
   Exit: (198) [system] [_proof1, _proof2, _proof3, _proof4]=[_proof1, _proof2, _proof3, _proof4]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_proof1, _proof2, _proof3, _proof4])
   Call: (197) [system] _3572=[_ructor, _proof1, _proof2, _proof3, _proof4]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3, _proof4]=[_ructor, _proof1, _proof2, _proof3, _proof4]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _279448)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _281306)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _288116)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _290820)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _300212)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _303926)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _305784)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _314252)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _303926)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _324470)
   Call: (199) [system] peek_char((0x56051b6b4f40), _325404)
   Exit: (199) [system] peek_char((0x56051b6b4f40), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_329196, v('(', ')', end_of_file), c)
   Call: (199) [system] ')'==c
   Call: (199) [system] get_char((0x56051b6b4f40), c)
   Exit: (199) [system] get_char((0x56051b6b4f40), c)
   Call: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _333766)
   Call: (200) [system] peek_char((0x56051b6b4f40), _334700)
   Exit: (200) [system] peek_char((0x56051b6b4f40), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_338492, v('(', ')', end_of_file), o)
   Call: (200) [system] ')'==o
   Call: (200) [system] get_char((0x56051b6b4f40), o)
   Exit: (200) [system] get_char((0x56051b6b4f40), o)
   Call: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _343062)
   Call: (201) [system] peek_char((0x56051b6b4f40), _343996)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_347788, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _352358)
   Call: (202) [system] peek_char((0x56051b6b4f40), _353292)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_357084, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _361654)
   Call: (203) [system] peek_char((0x56051b6b4f40), _362588)
   Exit: (203) [system] peek_char((0x56051b6b4f40), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_366380, v('(', ')', end_of_file), l)
   Call: (203) [system] ')'==l
   Call: (203) [system] get_char((0x56051b6b4f40), l)
   Exit: (203) [system] get_char((0x56051b6b4f40), l)
   Call: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _370950)
   Call: (204) [system] peek_char((0x56051b6b4f40), _371884)
   Exit: (204) [system] peek_char((0x56051b6b4f40), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_375676, v('(', ')', end_of_file), u)
   Call: (204) [system] ')'==u
   Call: (204) [system] get_char((0x56051b6b4f40), u)
   Exit: (204) [system] get_char((0x56051b6b4f40), u)
   Call: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _380246)
   Call: (205) [system] peek_char((0x56051b6b4f40), _381180)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_384972, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _389542)
   Call: (206) [system] peek_char((0x56051b6b4f40), _390476)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_394268, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _398838)
   Call: (207) [system] peek_char((0x56051b6b4f40), _399772)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_403564, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _408134)
   Call: (208) [system] peek_char((0x56051b6b4f40), _409068)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_412860, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _417430)
   Call: (209) [system] peek_char((0x56051b6b4f40), _418364)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_422156, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _417430=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _408134=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (207) [system] _398838=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (206) [system] _389542=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (205) [system] _380246=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, o, n])
   Call: (204) [system] _370950=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, i, o, n])
   Call: (203) [system] _361654=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, u, s, i, o, n])
   Call: (202) [system] _352358=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, l, u, s, i, o, n])
   Call: (201) [system] _343062=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _333766=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _324470=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _303926)
   Call: (199) [system] atom_chars(_456532, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (199) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _conclusion)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _461196)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _463054)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _471522)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _475312)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _461196=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _279448=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_conclusion])
   Call: (195) [system] _3568=[[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=[[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Call: (194) [system] _3560=[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _489194)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _491052)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _497862)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _500566)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _509958)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _513672)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _515530)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _523998)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _513672)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _534216)
   Call: (196) [system] peek_char((0x56051b6b4f40), _535150)
   Exit: (196) [system] peek_char((0x56051b6b4f40), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_538942, v('(', ')', end_of_file), q)
   Call: (196) [system] ')'==q
   Call: (196) [system] get_char((0x56051b6b4f40), q)
   Exit: (196) [system] get_char((0x56051b6b4f40), q)
   Call: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _543512)
   Call: (197) [system] peek_char((0x56051b6b4f40), _544446)
   Exit: (197) [system] peek_char((0x56051b6b4f40), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_548238, v('(', ')', end_of_file), u)
   Call: (197) [system] ')'==u
   Call: (197) [system] get_char((0x56051b6b4f40), u)
   Exit: (197) [system] get_char((0x56051b6b4f40), u)
   Call: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _552808)
   Call: (198) [system] peek_char((0x56051b6b4f40), _553742)
   Exit: (198) [system] peek_char((0x56051b6b4f40), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_557534, v('(', ')', end_of_file), e)
   Call: (198) [system] ')'==e
   Call: (198) [system] get_char((0x56051b6b4f40), e)
   Exit: (198) [system] get_char((0x56051b6b4f40), e)
   Call: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _562104)
   Call: (199) [system] peek_char((0x56051b6b4f40), _563038)
   Exit: (199) [system] peek_char((0x56051b6b4f40), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_566830, v('(', ')', end_of_file), r)
   Call: (199) [system] ')'==r
   Call: (199) [system] get_char((0x56051b6b4f40), r)
   Exit: (199) [system] get_char((0x56051b6b4f40), r)
   Call: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _571400)
   Call: (200) [system] peek_char((0x56051b6b4f40), _572334)
   Exit: (200) [system] peek_char((0x56051b6b4f40), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_576126, v('(', ')', end_of_file), y)
   Call: (200) [system] ')'==y
   Call: (200) [system] get_char((0x56051b6b4f40), y)
   Exit: (200) [system] get_char((0x56051b6b4f40), y)
   Call: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _580696)
   Call: (201) [system] peek_char((0x56051b6b4f40), _581630)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_585422, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _580696=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _571400=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (199) [system] _562104=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (198) [system] _552808=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (197) [system] _543512=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (196) [system] _534216=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _513672)
   Call: (196) [system] atom_chars(_605828, ['_', q, u, e, r, y])
   Exit: (196) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _610492)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _612350)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _620818)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _624608)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _610492=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _489194=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (192) [system] _3554=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _635696)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _637554)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x56051b6b4f40), _645170)
   Exit: (192) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _647874)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _654684)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _657388)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _664198)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _666902)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _673712)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _676416)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _683226)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _685930)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _692740)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _695444)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _702254)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _704958)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _711768)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _714472)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _721282)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _723986)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _730796)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _733500)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _740310)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _743014)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _761646)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _765360)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _767218)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _775686)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _765360)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _781256)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _789724)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _793438)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _795296)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _803764)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _793438)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _809334)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _817802)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _821516)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _823374)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _831842)
   Exit: (196) [system] get_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, _821516)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _842060)
   Call: (198) [system] peek_char((0x56051b6b4f40), _842994)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _842060=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _821516)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_852304, _852306), once(user:catch(read_from_chars([:], _821516), _852280, fail)), '$restore_trace'(_852304, _852306))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_852304, _852306))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _852280, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _859804)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _861662)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _868472)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _871176)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _880568)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _884282)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _886140)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _894608)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _884282)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _904826)
   Call: (199) [system] peek_char((0x56051b6b4f40), _905760)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_909552, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _914122)
   Call: (200) [system] peek_char((0x56051b6b4f40), _915056)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_918848, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _923418)
   Call: (201) [system] peek_char((0x56051b6b4f40), _924352)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_928144, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _932714)
   Call: (202) [system] peek_char((0x56051b6b4f40), _933648)
   Exit: (202) [system] peek_char((0x56051b6b4f40), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_937440, v('(', ')', end_of_file), o)
   Call: (202) [system] ')'==o
   Call: (202) [system] get_char((0x56051b6b4f40), o)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _942010)
   Call: (203) [system] peek_char((0x56051b6b4f40), _942944)
   Exit: (203) [system] peek_char((0x56051b6b4f40), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_946736, v('(', ')', end_of_file), f)
   Call: (203) [system] ')'==f
   Call: (203) [system] get_char((0x56051b6b4f40), f)
   Exit: (203) [system] get_char((0x56051b6b4f40), f)
   Call: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _951306)
   Call: (204) [system] peek_char((0x56051b6b4f40), _952240)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_956032, v('(', ')', end_of_file), '1')
   Call: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x56051b6b4f40), '1')
   Exit: (204) [system] get_char((0x56051b6b4f40), '1')
   Call: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _960602)
   Call: (205) [system] peek_char((0x56051b6b4f40), _961536)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _960602=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _951306=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (203) [system] _942010=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (202) [system] _932714=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (201) [system] _923418=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (200) [system] _914122=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (199) [system] _904826=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _884282)
   Call: (199) [system] atom_chars(_987584, ['_', p, r, o, o, f, '1'])
   Exit: (199) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _992248)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _994106)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1000916)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1003620)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1013012)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1016726)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1018584)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1027052)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _1016726)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1037270)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1038204)
   Exit: (200) [system] peek_char((0x56051b6b4f40), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1041996, v('(', ')', end_of_file), p)
   Call: (200) [system] ')'==p
   Call: (200) [system] get_char((0x56051b6b4f40), p)
   Exit: (200) [system] get_char((0x56051b6b4f40), p)
   Call: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1046566)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1047500)
   Exit: (201) [system] peek_char((0x56051b6b4f40), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1051292, v('(', ')', end_of_file), r)
   Call: (201) [system] ')'==r
   Call: (201) [system] get_char((0x56051b6b4f40), r)
   Exit: (201) [system] get_char((0x56051b6b4f40), r)
   Call: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1055862)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1056796)
   Exit: (202) [system] peek_char((0x56051b6b4f40), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1060588, v('(', ')', end_of_file), e)
   Call: (202) [system] ')'==e
   Call: (202) [system] get_char((0x56051b6b4f40), e)
   Exit: (202) [system] get_char((0x56051b6b4f40), e)
   Call: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1065158)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1066092)
   Exit: (203) [system] peek_char((0x56051b6b4f40), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1069884, v('(', ')', end_of_file), m)
   Call: (203) [system] ')'==m
   Call: (203) [system] get_char((0x56051b6b4f40), m)
   Exit: (203) [system] get_char((0x56051b6b4f40), m)
   Call: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1074454)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1075388)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1079180, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1083750)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1084684)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1088476, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1093046)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1093980)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1097772, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1102342)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1103276)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_1107068, v('(', ')', end_of_file), '1')
   Call: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x56051b6b4f40), '1')
   Exit: (207) [system] get_char((0x56051b6b4f40), '1')
   Call: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1111638)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1112572)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1116364, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1111638=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1102342=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (206) [system] _1093046=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (205) [system] _1083750=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (204) [system] _1074454=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (203) [system] _1065158=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (202) [system] _1055862=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (201) [system] _1046566=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _1037270=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _1016726)
   Call: (200) [system] atom_chars(_1145152, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (200) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1149816)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1151674)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1160142)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _1163932)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _1149816=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _992248=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_premise1])
   Call: (196) [system] _859804=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_proof1, _premise1])
   Call: (195) [system] _793438=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1177814)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1179672)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1186482)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1189186)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1198578)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1202292)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1204150)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1212618)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1202292)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1218188)
   Exit: (197) [system] peek_char((0x56051b6b4f40), s)
   Call: (197) [system] s=(;)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1226656)
   Exit: (196) [system] peek_char((0x56051b6b4f40), s)
   Call: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1230370)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1232228)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1240696)
   Exit: (197) [system] get_char((0x56051b6b4f40), s)
   Call: (197) [system] s='('
   Call: (197) [system] s='['
   Call: (197) [system] s='{'
   Call: (197) [system] s='"'
   Call: (197) [system] s=!
   Call: (197) [system] s='\''
   Call: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), s, _1230370)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1250914)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1251848)
   Exit: (199) [system] peek_char((0x56051b6b4f40), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1255640, v('(', ')', end_of_file), y)
   Call: (199) [system] ')'==y
   Call: (199) [system] get_char((0x56051b6b4f40), y)
   Exit: (199) [system] get_char((0x56051b6b4f40), y)
   Call: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1260210)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1261144)
   Exit: (200) [system] peek_char((0x56051b6b4f40), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1264936, v('(', ')', end_of_file), n)
   Call: (200) [system] ')'==n
   Call: (200) [system] get_char((0x56051b6b4f40), n)
   Exit: (200) [system] get_char((0x56051b6b4f40), n)
   Call: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1269506)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1270440)
   Exit: (201) [system] peek_char((0x56051b6b4f40), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1274232, v('(', ')', end_of_file), t)
   Call: (201) [system] ')'==t
   Call: (201) [system] get_char((0x56051b6b4f40), t)
   Exit: (201) [system] get_char((0x56051b6b4f40), t)
   Call: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1278802)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1279736)
   Exit: (202) [system] peek_char((0x56051b6b4f40), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1283528, v('(', ')', end_of_file), h)
   Call: (202) [system] ')'==h
   Call: (202) [system] get_char((0x56051b6b4f40), h)
   Exit: (202) [system] get_char((0x56051b6b4f40), h)
   Call: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1288098)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1289032)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1292824, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1297394)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1298328)
   Exit: (204) [system] peek_char((0x56051b6b4f40), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1302120, v('(', ')', end_of_file), s)
   Call: (204) [system] ')'==s
   Call: (204) [system] get_char((0x56051b6b4f40), s)
   Exit: (204) [system] get_char((0x56051b6b4f40), s)
   Call: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1306690)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1307624)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1311416, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1315986)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1316920)
   Exit: (206) [system] peek_char((0x56051b6b4f40), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1320712, v('(', ')', end_of_file), z)
   Call: (206) [system] ')'==z
   Call: (206) [system] get_char((0x56051b6b4f40), z)
   Exit: (206) [system] get_char((0x56051b6b4f40), z)
   Call: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1325282)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1326216)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1330008, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1334578)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1335512)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1334578=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1325282=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (206) [system] _1315986=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (205) [system] _1306690=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (204) [system] _1297394=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (203) [system] _1288098=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (202) [system] _1278802=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (201) [system] _1269506=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (200) [system] _1260210=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1250914=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1230370)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1369968, _1369970), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1230370), _1369944, fail)), '$restore_trace'(_1369968, _1369970))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1369968, _1369970))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1369944, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(synthesize)
   Exit: (199) [system] atomic(synthesize)
^  Exit: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1377468)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1379326)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1386136)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1388840)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1398232)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1401946)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1403804)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1412272)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1401946)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1417842)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1426310)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1430024)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1431882)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1440350)
   Exit: (200) [system] get_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, _1430024)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1450568)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1451502)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1450568=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _1430024)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1460812, _1460814), once(user:catch(read_from_chars([:], _1430024), _1460788, fail)), '$restore_trace'(_1460812, _1460814))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1460812, _1460814))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1460788, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1468312)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1470170)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1476980)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1479684)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1489076)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1492790)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1494648)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1503116)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1492790)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1513334)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1514268)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1518060, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1522630)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1523564)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1527356, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1531926)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1532860)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1536652, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1541222)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1542156)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1545948, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1550518)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1551452)
   Exit: (207) [system] peek_char((0x56051b6b4f40), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1555244, v('(', ')', end_of_file), f)
   Call: (207) [system] ')'==f
   Call: (207) [system] get_char((0x56051b6b4f40), f)
   Exit: (207) [system] get_char((0x56051b6b4f40), f)
   Call: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1559814)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1560748)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_1564540, v('(', ')', end_of_file), '1')
   Call: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x56051b6b4f40), '1')
   Exit: (208) [system] get_char((0x56051b6b4f40), '1')
   Call: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1569110)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1570044)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1569110=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1559814=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (207) [system] _1550518=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (206) [system] _1541222=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (205) [system] _1531926=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (204) [system] _1522630=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (203) [system] _1513334=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1492790)
   Call: (203) [system] atom_chars(_1596092, ['_', p, r, o, o, f, '1'])
   Exit: (203) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1600756)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1602614)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1609424)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1612128)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1621520)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1625234)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1627092)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1635560)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _1625234)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1645778)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1646712)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1650504, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1655074)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1656008)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1659800, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1664370)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1665304)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1669096, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1673666)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1674600)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1678392, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1682962)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1683896)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1687688, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1692258)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1693192)
   Exit: (209) [system] peek_char((0x56051b6b4f40), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1696984, v('(', ')', end_of_file), s)
   Call: (209) [system] ')'==s
   Call: (209) [system] get_char((0x56051b6b4f40), s)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1701554)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1702488)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1706280, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1710850)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1711784)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_1715576, v('(', ')', end_of_file), '1')
   Call: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x56051b6b4f40), '1')
   Exit: (211) [system] get_char((0x56051b6b4f40), '1')
   Call: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1720146)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1721080)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1724872, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1720146=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _1710850=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (210) [system] _1701554=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (209) [system] _1692258=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (208) [system] _1682962=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (207) [system] _1673666=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (206) [system] _1664370=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (205) [system] _1655074=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1645778=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _1625234)
   Call: (204) [system] atom_chars(_1753660, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (204) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1758324)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1760182)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1768650)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1772440)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1758324=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _1600756=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_premise1])
   Call: (200) [system] _1468312=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_proof1, _premise1])
   Call: (199) [system] _1401946=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1786322)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1788180)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1794990)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1797694)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1807086)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1810800)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1812658)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1821126)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1810800)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1831344)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1832278)
   Exit: (201) [system] peek_char((0x56051b6b4f40), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_1836070, v('(', ')', end_of_file), k)
   Call: (201) [system] ')'==k
   Call: (201) [system] get_char((0x56051b6b4f40), k)
   Exit: (201) [system] get_char((0x56051b6b4f40), k)
   Call: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1840640)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1841574)
   Exit: (202) [system] peek_char((0x56051b6b4f40), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1845366, v('(', ')', end_of_file), b)
   Call: (202) [system] ')'==b
   Call: (202) [system] get_char((0x56051b6b4f40), b)
   Exit: (202) [system] get_char((0x56051b6b4f40), b)
   Call: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1849936)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1850870)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1849936=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _1840640=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (201) [system] _1831344=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (200) [user] classify_and_convert_charseq($, [k, b], _1810800)
   Call: (201) [system] atom_chars(_1865742, ['_', k, b])
   Exit: (201) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (200) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1870406)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1872264)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1879074)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1881778)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1891170)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1894884)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1896742)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1905210)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1894884)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1915428)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1916362)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1920154, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1924724)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1925658)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1929450, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1934020)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1934954)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1934020=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1924724=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (202) [system] _1915428=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (201) [user] classify_and_convert_charseq($, [r, b], _1894884)
   Call: (202) [system] atom_chars(_1949826, ['_', r, b])
   Exit: (202) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1954490)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1956348)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1963158)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1965862)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1975254)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1978968)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1980826)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1989294)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1978968)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1999512)
   Call: (203) [system] peek_char((0x56051b6b4f40), _2000446)
   Exit: (203) [system] peek_char((0x56051b6b4f40), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_2004238, v('(', ')', end_of_file), k)
   Call: (203) [system] ')'==k
   Call: (203) [system] get_char((0x56051b6b4f40), k)
   Exit: (203) [system] get_char((0x56051b6b4f40), k)
   Call: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2008808)
   Call: (204) [system] peek_char((0x56051b6b4f40), _2009742)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_2013534, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _2008808=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1999512=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (202) [user] classify_and_convert_charseq($, [k], _1978968)
   Call: (203) [system] atom_chars(_2022764, ['_', k])
   Exit: (203) [system] atom_chars('_k', ['_', k])
^  Exit: (202) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _2027428)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _2029286)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _2037754)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _2041544)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _2027428=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1954490=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (199) [system] _1870406=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (198) [system] _1786322=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (197) [system] _1377468=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _1202292=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _2061014)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _2062872)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _2071340)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _2075130)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _2061014=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _1177814=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _765360=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _2086218)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _2088076)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x56051b6b4f40), _2095692)
   Exit: (193) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _5356)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _12166)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _14870)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _21680)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _24384)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _31194)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _33898)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _40708)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _43412)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _50222)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _52926)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _59736)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _62440)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _69250)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _71954)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _78764)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _81468)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _88278)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _90982)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _97792)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _100496)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _119128)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _122842)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _124700)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _133168)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _122842)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _138738)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _147206)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _150920)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _152778)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _161246)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _150920)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _166816)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _175284)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _178998)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _180856)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _189324)
   Exit: (197) [system] get_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, _178998)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _199542)
   Call: (199) [system] peek_char((0x56051b6b4f40), _200476)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _199542=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _178998)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_209786, _209788), once(user:catch(read_from_chars([:], _178998), _209762, fail)), '$restore_trace'(_209786, _209788))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_209786, _209788))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _209762, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _217286)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _219144)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _225954)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _228658)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _238050)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _241764)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _243622)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _252090)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _241764)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _262308)
   Call: (200) [system] peek_char((0x56051b6b4f40), _263242)
   Exit: (200) [system] peek_char((0x56051b6b4f40), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_267034, v('(', ')', end_of_file), p)
   Call: (200) [system] ')'==p
   Call: (200) [system] get_char((0x56051b6b4f40), p)
   Exit: (200) [system] get_char((0x56051b6b4f40), p)
   Call: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _271604)
   Call: (201) [system] peek_char((0x56051b6b4f40), _272538)
   Exit: (201) [system] peek_char((0x56051b6b4f40), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_276330, v('(', ')', end_of_file), r)
   Call: (201) [system] ')'==r
   Call: (201) [system] get_char((0x56051b6b4f40), r)
   Exit: (201) [system] get_char((0x56051b6b4f40), r)
   Call: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _280900)
   Call: (202) [system] peek_char((0x56051b6b4f40), _281834)
   Exit: (202) [system] peek_char((0x56051b6b4f40), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_285626, v('(', ')', end_of_file), o)
   Call: (202) [system] ')'==o
   Call: (202) [system] get_char((0x56051b6b4f40), o)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _290196)
   Call: (203) [system] peek_char((0x56051b6b4f40), _291130)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_294922, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _299492)
   Call: (204) [system] peek_char((0x56051b6b4f40), _300426)
   Exit: (204) [system] peek_char((0x56051b6b4f40), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_304218, v('(', ')', end_of_file), f)
   Call: (204) [system] ')'==f
   Call: (204) [system] get_char((0x56051b6b4f40), f)
   Exit: (204) [system] get_char((0x56051b6b4f40), f)
   Call: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _308788)
   Call: (205) [system] peek_char((0x56051b6b4f40), _309722)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_313514, v('(', ')', end_of_file), '2')
   Call: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x56051b6b4f40), '2')
   Exit: (205) [system] get_char((0x56051b6b4f40), '2')
   Call: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _318084)
   Call: (206) [system] peek_char((0x56051b6b4f40), _319018)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _318084=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _308788=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (204) [system] _299492=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (203) [system] _290196=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (202) [system] _280900=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (201) [system] _271604=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (200) [system] _262308=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _241764)
   Call: (200) [system] atom_chars(_345066, ['_', p, r, o, o, f, '2'])
   Exit: (200) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _349730)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _351588)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _358398)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _361102)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _370494)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _374208)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _376066)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _384534)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _374208)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _394752)
   Call: (201) [system] peek_char((0x56051b6b4f40), _395686)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_399478, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _404048)
   Call: (202) [system] peek_char((0x56051b6b4f40), _404982)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_408774, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _413344)
   Call: (203) [system] peek_char((0x56051b6b4f40), _414278)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_418070, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _422640)
   Call: (204) [system] peek_char((0x56051b6b4f40), _423574)
   Exit: (204) [system] peek_char((0x56051b6b4f40), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_427366, v('(', ')', end_of_file), m)
   Call: (204) [system] ')'==m
   Call: (204) [system] get_char((0x56051b6b4f40), m)
   Exit: (204) [system] get_char((0x56051b6b4f40), m)
   Call: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _431936)
   Call: (205) [system] peek_char((0x56051b6b4f40), _432870)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_436662, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _441232)
   Call: (206) [system] peek_char((0x56051b6b4f40), _442166)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_445958, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _450528)
   Call: (207) [system] peek_char((0x56051b6b4f40), _451462)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_455254, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _459824)
   Call: (208) [system] peek_char((0x56051b6b4f40), _460758)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_464550, v('(', ')', end_of_file), '2')
   Call: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x56051b6b4f40), '2')
   Exit: (208) [system] get_char((0x56051b6b4f40), '2')
   Call: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _469120)
   Call: (209) [system] peek_char((0x56051b6b4f40), _470054)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_473846, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _469120=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _459824=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (207) [system] _450528=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (206) [system] _441232=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (205) [system] _431936=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (204) [system] _422640=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (203) [system] _413344=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (202) [system] _404048=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _394752=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _374208)
   Call: (201) [system] atom_chars(_502634, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (201) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _507298)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _509156)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _517624)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x56051b6b4f40), _521414)
   Exit: (199) [system] get_char((0x56051b6b4f40), ')')
   Call: (199) [system] _507298=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (198) [system] _349730=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_premise2])
   Call: (197) [system] _217286=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_proof2, _premise2])
   Call: (196) [system] _150920=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _535296)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _537154)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _543964)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _546668)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _556060)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _559774)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _561632)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _570100)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _559774)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _575670)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _584138)
   Exit: (197) [system] peek_char((0x56051b6b4f40), s)
   Call: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _587852)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _589710)
   Exit: (199) [system] peek_char((0x56051b6b4f40), s)
   Call: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _598178)
   Exit: (198) [system] get_char((0x56051b6b4f40), s)
   Call: (198) [system] s='('
   Call: (198) [system] s='['
   Call: (198) [system] s='{'
   Call: (198) [system] s='"'
   Call: (198) [system] s=!
   Call: (198) [system] s='\''
   Call: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), s, _587852)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _608396)
   Call: (200) [system] peek_char((0x56051b6b4f40), _609330)
   Exit: (200) [system] peek_char((0x56051b6b4f40), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_613122, v('(', ')', end_of_file), y)
   Call: (200) [system] ')'==y
   Call: (200) [system] get_char((0x56051b6b4f40), y)
   Exit: (200) [system] get_char((0x56051b6b4f40), y)
   Call: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _617692)
   Call: (201) [system] peek_char((0x56051b6b4f40), _618626)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_622418, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _626988)
   Call: (202) [system] peek_char((0x56051b6b4f40), _627922)
   Exit: (202) [system] peek_char((0x56051b6b4f40), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_631714, v('(', ')', end_of_file), t)
   Call: (202) [system] ')'==t
   Call: (202) [system] get_char((0x56051b6b4f40), t)
   Exit: (202) [system] get_char((0x56051b6b4f40), t)
   Call: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _636284)
   Call: (203) [system] peek_char((0x56051b6b4f40), _637218)
   Exit: (203) [system] peek_char((0x56051b6b4f40), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_641010, v('(', ')', end_of_file), h)
   Call: (203) [system] ')'==h
   Call: (203) [system] get_char((0x56051b6b4f40), h)
   Exit: (203) [system] get_char((0x56051b6b4f40), h)
   Call: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _645580)
   Call: (204) [system] peek_char((0x56051b6b4f40), _646514)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_650306, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _654876)
   Call: (205) [system] peek_char((0x56051b6b4f40), _655810)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_659602, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _664172)
   Call: (206) [system] peek_char((0x56051b6b4f40), _665106)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_668898, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _673468)
   Call: (207) [system] peek_char((0x56051b6b4f40), _674402)
   Exit: (207) [system] peek_char((0x56051b6b4f40), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_678194, v('(', ')', end_of_file), z)
   Call: (207) [system] ')'==z
   Call: (207) [system] get_char((0x56051b6b4f40), z)
   Exit: (207) [system] get_char((0x56051b6b4f40), z)
   Call: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _682764)
   Call: (208) [system] peek_char((0x56051b6b4f40), _683698)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_687490, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _692060)
   Call: (209) [system] peek_char((0x56051b6b4f40), _692994)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _692060=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _682764=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (207) [system] _673468=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (206) [system] _664172=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (205) [system] _654876=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (204) [system] _645580=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (203) [system] _636284=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (202) [system] _626988=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (201) [system] _617692=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _608396=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _587852)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_727450, _727452), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _587852), _727426, fail)), '$restore_trace'(_727450, _727452))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_727450, _727452))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _727426, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _734950)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _736808)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _743618)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _746322)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _755714)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _759428)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _761286)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _769754)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _759428)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _775324)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _783792)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _787506)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _789364)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _797832)
   Exit: (201) [system] get_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, _787506)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _808050)
   Call: (203) [system] peek_char((0x56051b6b4f40), _808984)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _808050=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _787506)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_818294, _818296), once(user:catch(read_from_chars([:], _787506), _818270, fail)), '$restore_trace'(_818294, _818296))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_818294, _818296))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _818270, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _825794)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _827652)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _834462)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _837166)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _846558)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _850272)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _852130)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _860598)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _850272)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _870816)
   Call: (204) [system] peek_char((0x56051b6b4f40), _871750)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_875542, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _880112)
   Call: (205) [system] peek_char((0x56051b6b4f40), _881046)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_884838, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _889408)
   Call: (206) [system] peek_char((0x56051b6b4f40), _890342)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_894134, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _898704)
   Call: (207) [system] peek_char((0x56051b6b4f40), _899638)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_903430, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _908000)
   Call: (208) [system] peek_char((0x56051b6b4f40), _908934)
   Exit: (208) [system] peek_char((0x56051b6b4f40), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_912726, v('(', ')', end_of_file), f)
   Call: (208) [system] ')'==f
   Call: (208) [system] get_char((0x56051b6b4f40), f)
   Exit: (208) [system] get_char((0x56051b6b4f40), f)
   Call: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _917296)
   Call: (209) [system] peek_char((0x56051b6b4f40), _918230)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_922022, v('(', ')', end_of_file), '2')
   Call: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x56051b6b4f40), '2')
   Exit: (209) [system] get_char((0x56051b6b4f40), '2')
   Call: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _926592)
   Call: (210) [system] peek_char((0x56051b6b4f40), _927526)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _926592=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _917296=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (208) [system] _908000=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (207) [system] _898704=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (206) [system] _889408=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (205) [system] _880112=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (204) [system] _870816=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _850272)
   Call: (204) [system] atom_chars(_953574, ['_', p, r, o, o, f, '2'])
   Exit: (204) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _958238)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _960096)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _966906)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _969610)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _979002)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _982716)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _984574)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _993042)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _982716)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1003260)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1004194)
   Exit: (205) [system] peek_char((0x56051b6b4f40), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1007986, v('(', ')', end_of_file), p)
   Call: (205) [system] ')'==p
   Call: (205) [system] get_char((0x56051b6b4f40), p)
   Exit: (205) [system] get_char((0x56051b6b4f40), p)
   Call: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1012556)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1013490)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1017282, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1021852)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1022786)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1026578, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1031148)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1032082)
   Exit: (208) [system] peek_char((0x56051b6b4f40), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1035874, v('(', ')', end_of_file), m)
   Call: (208) [system] ')'==m
   Call: (208) [system] get_char((0x56051b6b4f40), m)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1040444)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1041378)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1045170, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1049740)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1050674)
   Exit: (210) [system] peek_char((0x56051b6b4f40), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1054466, v('(', ')', end_of_file), s)
   Call: (210) [system] ')'==s
   Call: (210) [system] get_char((0x56051b6b4f40), s)
   Exit: (210) [system] get_char((0x56051b6b4f40), s)
   Call: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1059036)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1059970)
   Exit: (211) [system] peek_char((0x56051b6b4f40), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1063762, v('(', ')', end_of_file), e)
   Call: (211) [system] ')'==e
   Call: (211) [system] get_char((0x56051b6b4f40), e)
   Exit: (211) [system] get_char((0x56051b6b4f40), e)
   Call: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1068332)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1069266)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_1073058, v('(', ')', end_of_file), '2')
   Call: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x56051b6b4f40), '2')
   Exit: (212) [system] get_char((0x56051b6b4f40), '2')
   Call: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1077628)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1078562)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1082354, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1077628=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _1068332=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (211) [system] _1059036=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (210) [system] _1049740=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (209) [system] _1040444=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (208) [system] _1031148=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (207) [system] _1021852=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (206) [system] _1012556=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _1003260=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _982716)
   Call: (205) [system] atom_chars(_1111142, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (205) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1115806)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1117664)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1126132)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _1129922)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _1115806=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _958238=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_premise2])
   Call: (201) [system] _825794=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_proof2, _premise2])
   Call: (200) [system] _759428=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1143804)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1145662)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1152472)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1155176)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1164568)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1168282)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1170140)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1178608)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1168282)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1188826)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1189760)
   Exit: (202) [system] peek_char((0x56051b6b4f40), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1193552, v('(', ')', end_of_file), k)
   Call: (202) [system] ')'==k
   Call: (202) [system] get_char((0x56051b6b4f40), k)
   Exit: (202) [system] get_char((0x56051b6b4f40), k)
   Call: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1198122)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1199056)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1202848, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1207418)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1208352)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1207418=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1198122=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (202) [system] _1188826=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (201) [user] classify_and_convert_charseq($, [k, b], _1168282)
   Call: (202) [system] atom_chars(_1223224, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1227888)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1229746)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1236556)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1239260)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1248652)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1252366)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1254224)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1262692)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1252366)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1272910)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1273844)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1277636, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1282206)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1283140)
   Exit: (204) [system] peek_char((0x56051b6b4f40), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1286932, v('(', ')', end_of_file), b)
   Call: (204) [system] ')'==b
   Call: (204) [system] get_char((0x56051b6b4f40), b)
   Exit: (204) [system] get_char((0x56051b6b4f40), b)
   Call: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1291502)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1292436)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1291502=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1282206=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (203) [system] _1272910=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (202) [user] classify_and_convert_charseq($, [r, b], _1252366)
   Call: (203) [system] atom_chars(_1307308, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1311972)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1313830)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1320640)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1323344)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1332736)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1336450)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1338308)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1346776)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _1336450)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1356994)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1357928)
   Exit: (204) [system] peek_char((0x56051b6b4f40), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1361720, v('(', ')', end_of_file), k)
   Call: (204) [system] ')'==k
   Call: (204) [system] get_char((0x56051b6b4f40), k)
   Exit: (204) [system] get_char((0x56051b6b4f40), k)
   Call: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1366290)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1367224)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1371016, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1366290=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1356994=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (203) [user] classify_and_convert_charseq($, [k], _1336450)
   Call: (204) [system] atom_chars(_1380246, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1384910)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1386768)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1395236)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1399026)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1384910=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _1311972=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (200) [system] _1227888=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (199) [system] _1143804=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (198) [system] _734950=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _559774=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1418496)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1420354)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1428822)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1432612)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1418496=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _535296=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _122842=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1443700)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1445558)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (194) [system] '\n'=(;)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x56051b6b4f40), _1453174)
   Exit: (194) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1455878)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1462688)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1465392)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1472202)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1474906)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1481716)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1484420)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1491230)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1493934)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1500744)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1503448)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1510258)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1512962)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1519772)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1522476)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1529286)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1531990)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1538800)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1541504)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1548314)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1551018)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1569650)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1573364)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1575222)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1583690)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1573364)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1589260)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1597728)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1601442)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1603300)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1611768)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1601442)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1617338)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1625806)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1629520)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1631378)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1639846)
   Exit: (198) [system] get_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), :, _1629520)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1650064)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1650998)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1650064=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (199) [user] classify_and_convert_charseq(:, [], _1629520)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1660308, _1660310), once(user:catch(read_from_chars([:], _1629520), _1660284, fail)), '$restore_trace'(_1660308, _1660310))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1660308, _1660310))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1660284, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1667808)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1669666)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1676476)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1679180)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1688572)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1692286)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1694144)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1702612)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1692286)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1712830)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1713764)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1717556, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1722126)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1723060)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1726852, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1731422)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1732356)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_1736148, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1740718)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1741652)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1745444, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1750014)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1750948)
   Exit: (205) [system] peek_char((0x56051b6b4f40), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_1754740, v('(', ')', end_of_file), f)
   Call: (205) [system] ')'==f
   Call: (205) [system] get_char((0x56051b6b4f40), f)
   Exit: (205) [system] get_char((0x56051b6b4f40), f)
   Call: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1759310)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1760244)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_1764036, v('(', ')', end_of_file), '3')
   Call: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x56051b6b4f40), '3')
   Exit: (206) [system] get_char((0x56051b6b4f40), '3')
   Call: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1768606)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1769540)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1768606=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1759310=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (205) [system] _1750014=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '3'])
   Call: (204) [system] _1740718=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '3'])
   Call: (203) [system] _1731422=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '3'])
   Call: (202) [system] _1722126=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '3'])
   Call: (201) [system] _1712830=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _1692286)
   Call: (201) [system] atom_chars(_1795588, ['_', p, r, o, o, f, '3'])
   Exit: (201) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _proof3)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1800252)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1802110)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1808920)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1811624)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1821016)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1824730)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1826588)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1835056)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1824730)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1845274)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1846208)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1850000, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1854570)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1855504)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1859296, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1863866)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1864800)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_1868592, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1873162)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1874096)
   Exit: (205) [system] peek_char((0x56051b6b4f40), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_1877888, v('(', ')', end_of_file), m)
   Call: (205) [system] ')'==m
   Call: (205) [system] get_char((0x56051b6b4f40), m)
   Exit: (205) [system] get_char((0x56051b6b4f40), m)
   Call: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1882458)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1883392)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1887184, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1891754)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1892688)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1896480, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1901050)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1901984)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_1905776, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1910346)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1911280)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_1915072, v('(', ')', end_of_file), '3')
   Call: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x56051b6b4f40), '3')
   Exit: (209) [system] get_char((0x56051b6b4f40), '3')
   Call: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1919642)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1920576)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1924368, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1919642=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1910346=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (208) [system] _1901050=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '3'])
   Call: (207) [system] _1891754=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '3'])
   Call: (206) [system] _1882458=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '3'])
   Call: (205) [system] _1873162=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '3'])
   Call: (204) [system] _1863866=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '3'])
   Call: (203) [system] _1854570=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _1845274=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _1824730)
   Call: (202) [system] atom_chars(_1953156, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (202) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _premise3)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1957820)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1959678)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1968146)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x56051b6b4f40), _1971936)
   Exit: (200) [system] get_char((0x56051b6b4f40), ')')
   Call: (200) [system] _1957820=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (199) [system] _1800252=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_premise3])
   Call: (198) [system] _1667808=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_proof3, _premise3])
   Call: (197) [system] _1601442=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1985818)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1987676)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1994486)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1997190)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _2006582)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _2010296)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _2012154)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _2020622)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _2010296)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2026192)
   Exit: (199) [system] peek_char((0x56051b6b4f40), s)
   Call: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _2034660)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _2038374)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _2040232)
   Exit: (200) [system] peek_char((0x56051b6b4f40), s)
   Call: (200) [system] s=(;)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _2048700)
   Exit: (199) [system] get_char((0x56051b6b4f40), s)
   Call: (199) [system] s='('
   Call: (199) [system] s='['
   Call: (199) [system] s='{'
   Call: (199) [system] s='"'
   Call: (199) [system] s=!
   Call: (199) [system] s='\''
   Call: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), s, _2038374)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2058918)
   Call: (201) [system] peek_char((0x56051b6b4f40), _2059852)
   Exit: (201) [system] peek_char((0x56051b6b4f40), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_2063644, v('(', ')', end_of_file), y)
   Call: (201) [system] ')'==y
   Call: (201) [system] get_char((0x56051b6b4f40), y)
   Exit: (201) [system] get_char((0x56051b6b4f40), y)
   Call: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2068214)
   Call: (202) [system] peek_char((0x56051b6b4f40), _2069148)
   Exit: (202) [system] peek_char((0x56051b6b4f40), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_2072940, v('(', ')', end_of_file), n)
   Call: (202) [system] ')'==n
   Call: (202) [system] get_char((0x56051b6b4f40), n)
   Exit: (202) [system] get_char((0x56051b6b4f40), n)
   Call: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2077510)
   Call: (203) [system] peek_char((0x56051b6b4f40), _2078444)
   Exit: (203) [system] peek_char((0x56051b6b4f40), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_2082236, v('(', ')', end_of_file), t)
   Call: (203) [system] ')'==t
   Call: (203) [system] get_char((0x56051b6b4f40), t)
   Exit: (203) [system] get_char((0x56051b6b4f40), t)
   Call: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2086806)
   Call: (204) [system] peek_char((0x56051b6b4f40), _2087740)
   Exit: (204) [system] peek_char((0x56051b6b4f40), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_2091532, v('(', ')', end_of_file), h)
   Call: (204) [system] ')'==h
   Call: (204) [system] get_char((0x56051b6b4f40), h)
   Exit: (204) [system] get_char((0x56051b6b4f40), h)
   Call: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _3938)
   Call: (205) [system] peek_char((0x56051b6b4f40), _4292)
   Exit: (205) [system] peek_char((0x56051b6b4f40), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_8084, v('(', ')', end_of_file), e)
   Call: (205) [system] ')'==e
   Call: (205) [system] get_char((0x56051b6b4f40), e)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _12654)
   Call: (206) [system] peek_char((0x56051b6b4f40), _13588)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_17380, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _21950)
   Call: (207) [system] peek_char((0x56051b6b4f40), _22884)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_26676, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _31246)
   Call: (208) [system] peek_char((0x56051b6b4f40), _32180)
   Exit: (208) [system] peek_char((0x56051b6b4f40), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_35972, v('(', ')', end_of_file), z)
   Call: (208) [system] ')'==z
   Call: (208) [system] get_char((0x56051b6b4f40), z)
   Exit: (208) [system] get_char((0x56051b6b4f40), z)
   Call: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _40542)
   Call: (209) [system] peek_char((0x56051b6b4f40), _41476)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_45268, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _49838)
   Call: (210) [system] peek_char((0x56051b6b4f40), _50772)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _49838=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _40542=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (208) [system] _31246=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (207) [system] _21950=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (206) [system] _12654=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (205) [system] _3938=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (204) [system] _3932=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (203) [system] _3928=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (202) [system] _3924=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _3920=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _3916)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_85228, _85230), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _3916), _85204, fail)), '$restore_trace'(_85228, _85230))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_85228, _85230))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _85204, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _92728)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _94586)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _101396)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _104100)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _113492)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _117206)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _119064)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _127532)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _117206)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _133102)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _141570)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _145284)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _147142)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _155610)
   Exit: (202) [system] get_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), :, _145284)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _165828)
   Call: (204) [system] peek_char((0x56051b6b4f40), _166762)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _165828=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (203) [user] classify_and_convert_charseq(:, [], _145284)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_176072, _176074), once(user:catch(read_from_chars([:], _145284), _176048, fail)), '$restore_trace'(_176072, _176074))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_176072, _176074))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _176048, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _183572)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _185430)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _192240)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _194944)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _204336)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _208050)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _209908)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _218376)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _208050)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _228594)
   Call: (205) [system] peek_char((0x56051b6b4f40), _229528)
   Exit: (205) [system] peek_char((0x56051b6b4f40), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_233320, v('(', ')', end_of_file), p)
   Call: (205) [system] ')'==p
   Call: (205) [system] get_char((0x56051b6b4f40), p)
   Exit: (205) [system] get_char((0x56051b6b4f40), p)
   Call: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _237890)
   Call: (206) [system] peek_char((0x56051b6b4f40), _238824)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_242616, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _247186)
   Call: (207) [system] peek_char((0x56051b6b4f40), _248120)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_251912, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256482)
   Call: (208) [system] peek_char((0x56051b6b4f40), _257416)
   Exit: (208) [system] peek_char((0x56051b6b4f40), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_261208, v('(', ')', end_of_file), o)
   Call: (208) [system] ')'==o
   Call: (208) [system] get_char((0x56051b6b4f40), o)
   Exit: (208) [system] get_char((0x56051b6b4f40), o)
   Call: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _265778)
   Call: (209) [system] peek_char((0x56051b6b4f40), _266712)
   Exit: (209) [system] peek_char((0x56051b6b4f40), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_270504, v('(', ')', end_of_file), f)
   Call: (209) [system] ')'==f
   Call: (209) [system] get_char((0x56051b6b4f40), f)
   Exit: (209) [system] get_char((0x56051b6b4f40), f)
   Call: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _275074)
   Call: (210) [system] peek_char((0x56051b6b4f40), _276008)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_279800, v('(', ')', end_of_file), '3')
   Call: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x56051b6b4f40), '3')
   Exit: (210) [system] get_char((0x56051b6b4f40), '3')
   Call: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _284370)
   Call: (211) [system] peek_char((0x56051b6b4f40), _285304)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _284370=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _275074=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (209) [system] _265778=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '3'])
   Call: (208) [system] _256482=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '3'])
   Call: (207) [system] _247186=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '3'])
   Call: (206) [system] _237890=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '3'])
   Call: (205) [system] _228594=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _208050)
   Call: (205) [system] atom_chars(_311352, ['_', p, r, o, o, f, '3'])
   Exit: (205) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _proof3)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _316016)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _317874)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _324684)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _327388)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _336780)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _340494)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _342352)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _350820)
   Exit: (204) [system] get_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _340494)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _361038)
   Call: (206) [system] peek_char((0x56051b6b4f40), _361972)
   Exit: (206) [system] peek_char((0x56051b6b4f40), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_365764, v('(', ')', end_of_file), p)
   Call: (206) [system] ')'==p
   Call: (206) [system] get_char((0x56051b6b4f40), p)
   Exit: (206) [system] get_char((0x56051b6b4f40), p)
   Call: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _370334)
   Call: (207) [system] peek_char((0x56051b6b4f40), _371268)
   Exit: (207) [system] peek_char((0x56051b6b4f40), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_375060, v('(', ')', end_of_file), r)
   Call: (207) [system] ')'==r
   Call: (207) [system] get_char((0x56051b6b4f40), r)
   Exit: (207) [system] get_char((0x56051b6b4f40), r)
   Call: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _379630)
   Call: (208) [system] peek_char((0x56051b6b4f40), _380564)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_384356, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _388926)
   Call: (209) [system] peek_char((0x56051b6b4f40), _389860)
   Exit: (209) [system] peek_char((0x56051b6b4f40), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_393652, v('(', ')', end_of_file), m)
   Call: (209) [system] ')'==m
   Call: (209) [system] get_char((0x56051b6b4f40), m)
   Exit: (209) [system] get_char((0x56051b6b4f40), m)
   Call: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _398222)
   Call: (210) [system] peek_char((0x56051b6b4f40), _399156)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_402948, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _407518)
   Call: (211) [system] peek_char((0x56051b6b4f40), _408452)
   Exit: (211) [system] peek_char((0x56051b6b4f40), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_412244, v('(', ')', end_of_file), s)
   Call: (211) [system] ')'==s
   Call: (211) [system] get_char((0x56051b6b4f40), s)
   Exit: (211) [system] get_char((0x56051b6b4f40), s)
   Call: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _416814)
   Call: (212) [system] peek_char((0x56051b6b4f40), _417748)
   Exit: (212) [system] peek_char((0x56051b6b4f40), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_421540, v('(', ')', end_of_file), e)
   Call: (212) [system] ')'==e
   Call: (212) [system] get_char((0x56051b6b4f40), e)
   Exit: (212) [system] get_char((0x56051b6b4f40), e)
   Call: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _426110)
   Call: (213) [system] peek_char((0x56051b6b4f40), _427044)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_430836, v('(', ')', end_of_file), '3')
   Call: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x56051b6b4f40), '3')
   Exit: (213) [system] get_char((0x56051b6b4f40), '3')
   Call: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _435406)
   Call: (214) [system] peek_char((0x56051b6b4f40), _436340)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_440132, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _435406=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _426110=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (212) [system] _416814=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '3'])
   Call: (211) [system] _407518=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '3'])
   Call: (210) [system] _398222=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '3'])
   Call: (209) [system] _388926=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '3'])
   Call: (208) [system] _379630=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '3'])
   Call: (207) [system] _370334=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _361038=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _340494)
   Call: (206) [system] atom_chars(_468920, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (206) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _premise3)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _473584)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _475442)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _483910)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _487700)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _473584=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _316016=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [_premise3])
   Call: (202) [system] _183572=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_proof3, _premise3])
   Call: (201) [system] _117206=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _501582)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _503440)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _510250)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _512954)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _522346)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _526060)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _527918)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _536386)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _526060)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _546604)
   Call: (203) [system] peek_char((0x56051b6b4f40), _547538)
   Exit: (203) [system] peek_char((0x56051b6b4f40), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_551330, v('(', ')', end_of_file), k)
   Call: (203) [system] ')'==k
   Call: (203) [system] get_char((0x56051b6b4f40), k)
   Exit: (203) [system] get_char((0x56051b6b4f40), k)
   Call: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _555900)
   Call: (204) [system] peek_char((0x56051b6b4f40), _556834)
   Exit: (204) [system] peek_char((0x56051b6b4f40), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_560626, v('(', ')', end_of_file), b)
   Call: (204) [system] ')'==b
   Call: (204) [system] get_char((0x56051b6b4f40), b)
   Exit: (204) [system] get_char((0x56051b6b4f40), b)
   Call: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _565196)
   Call: (205) [system] peek_char((0x56051b6b4f40), _566130)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _565196=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _555900=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (203) [system] _546604=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (202) [user] classify_and_convert_charseq($, [k, b], _526060)
   Call: (203) [system] atom_chars(_581002, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _585666)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _587524)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _594334)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _597038)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _606430)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _610144)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _612002)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _620470)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _610144)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _630688)
   Call: (204) [system] peek_char((0x56051b6b4f40), _631622)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_635414, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _639984)
   Call: (205) [system] peek_char((0x56051b6b4f40), _640918)
   Exit: (205) [system] peek_char((0x56051b6b4f40), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_644710, v('(', ')', end_of_file), b)
   Call: (205) [system] ')'==b
   Call: (205) [system] get_char((0x56051b6b4f40), b)
   Exit: (205) [system] get_char((0x56051b6b4f40), b)
   Call: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _649280)
   Call: (206) [system] peek_char((0x56051b6b4f40), _650214)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _649280=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _639984=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (204) [system] _630688=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (203) [user] classify_and_convert_charseq($, [r, b], _610144)
   Call: (204) [system] atom_chars(_665086, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _669750)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _671608)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _678418)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _681122)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _690514)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _694228)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _696086)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _704554)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _694228)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _714772)
   Call: (205) [system] peek_char((0x56051b6b4f40), _715706)
   Exit: (205) [system] peek_char((0x56051b6b4f40), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_719498, v('(', ')', end_of_file), k)
   Call: (205) [system] ')'==k
   Call: (205) [system] get_char((0x56051b6b4f40), k)
   Exit: (205) [system] get_char((0x56051b6b4f40), k)
   Call: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _724068)
   Call: (206) [system] peek_char((0x56051b6b4f40), _725002)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_728794, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _724068=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _714772=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (204) [user] classify_and_convert_charseq($, [k], _694228)
   Call: (205) [system] atom_chars(_738024, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _742688)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _744546)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _753014)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _756804)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _742688=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _669750=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (201) [system] _585666=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (200) [system] _501582=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (199) [system] _92728=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _3910=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _776274)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _778132)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _786600)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _790390)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _776274=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _3906=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3872=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _801478)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _803336)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (195) [system] '\n'=(;)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x56051b6b4f40), _810952)
   Exit: (195) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _813656)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _820466)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _823170)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _829980)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _832684)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _839494)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _842198)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _849008)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _851712)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _858522)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _861226)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _868036)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _870740)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _877550)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _880254)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _887064)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _889768)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _896578)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _899282)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _906092)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _908796)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _927428)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _931142)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _933000)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _941468)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _931142)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _947038)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _955506)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _959220)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _961078)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _969546)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _959220)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _975116)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _983584)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _987298)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _989156)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _997624)
   Exit: (199) [system] get_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), :, _987298)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1007842)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1008776)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1007842=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (200) [user] classify_and_convert_charseq(:, [], _987298)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1018086, _1018088), once(user:catch(read_from_chars([:], _987298), _1018062, fail)), '$restore_trace'(_1018086, _1018088))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1018086, _1018088))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1018062, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1025586)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1027444)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1034254)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1036958)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1046350)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1050064)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1051922)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1060390)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1050064)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1070608)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1071542)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1075334, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1079904)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1080838)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1084630, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1089200)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1090134)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1093926, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1098496)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1099430)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1103222, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1107792)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1108726)
   Exit: (206) [system] peek_char((0x56051b6b4f40), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_1112518, v('(', ')', end_of_file), f)
   Call: (206) [system] ')'==f
   Call: (206) [system] get_char((0x56051b6b4f40), f)
   Exit: (206) [system] get_char((0x56051b6b4f40), f)
   Call: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1117088)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1118022)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (207) [user] is_delimiter('4')
   Call: (208) [system] char_type('4', space)
   Call: (208) [system] arg(_1121814, v('(', ')', end_of_file), '4')
   Call: (207) [system] ')'=='4'
   Call: (207) [system] get_char((0x56051b6b4f40), '4')
   Exit: (207) [system] get_char((0x56051b6b4f40), '4')
   Call: (207) [system] '4'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1126384)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1127318)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1126384=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1117088=['4']
   Exit: (207) [system] ['4']=['4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (206) [system] _1107792=[f, '4']
   Exit: (206) [system] [f, '4']=[f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '4'])
   Call: (205) [system] _1098496=[o, f, '4']
   Exit: (205) [system] [o, f, '4']=[o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '4'])
   Call: (204) [system] _1089200=[o, o, f, '4']
   Exit: (204) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '4'])
   Call: (203) [system] _1079904=[r, o, o, f, '4']
   Exit: (203) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '4'])
   Call: (202) [system] _1070608=[p, r, o, o, f, '4']
   Exit: (202) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '4'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _1050064)
   Call: (202) [system] atom_chars(_1153366, ['_', p, r, o, o, f, '4'])
   Exit: (202) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof4)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _proof4)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1158030)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1159888)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1166698)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1169402)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1178794)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1182508)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1184366)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1192834)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1182508)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1203052)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1203986)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1207778, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1212348)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1213282)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1217074, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1221644)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1222578)
   Exit: (205) [system] peek_char((0x56051b6b4f40), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1226370, v('(', ')', end_of_file), e)
   Call: (205) [system] ')'==e
   Call: (205) [system] get_char((0x56051b6b4f40), e)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1230940)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1231874)
   Exit: (206) [system] peek_char((0x56051b6b4f40), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1235666, v('(', ')', end_of_file), m)
   Call: (206) [system] ')'==m
   Call: (206) [system] get_char((0x56051b6b4f40), m)
   Exit: (206) [system] get_char((0x56051b6b4f40), m)
   Call: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1240236)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1241170)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1244962, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1249532)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1250466)
   Exit: (208) [system] peek_char((0x56051b6b4f40), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1254258, v('(', ')', end_of_file), s)
   Call: (208) [system] ')'==s
   Call: (208) [system] get_char((0x56051b6b4f40), s)
   Exit: (208) [system] get_char((0x56051b6b4f40), s)
   Call: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1258828)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1259762)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1263554, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1268124)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1269058)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (210) [user] is_delimiter('4')
   Call: (211) [system] char_type('4', space)
   Call: (211) [system] arg(_1272850, v('(', ')', end_of_file), '4')
   Call: (210) [system] ')'=='4'
   Call: (210) [system] get_char((0x56051b6b4f40), '4')
   Exit: (210) [system] get_char((0x56051b6b4f40), '4')
   Call: (210) [system] '4'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1277420)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1278354)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1282146, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1277420=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1268124=['4']
   Exit: (210) [system] ['4']=['4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (209) [system] _1258828=[e, '4']
   Exit: (209) [system] [e, '4']=[e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '4'])
   Call: (208) [system] _1249532=[s, e, '4']
   Exit: (208) [system] [s, e, '4']=[s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '4'])
   Call: (207) [system] _1240236=[i, s, e, '4']
   Exit: (207) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '4'])
   Call: (206) [system] _1230940=[m, i, s, e, '4']
   Exit: (206) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '4'])
   Call: (205) [system] _1221644=[e, m, i, s, e, '4']
   Exit: (205) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '4'])
   Call: (204) [system] _1212348=[r, e, m, i, s, e, '4']
   Exit: (204) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '4'])
   Call: (203) [system] _1203052=[p, r, e, m, i, s, e, '4']
   Exit: (203) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '4'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _1182508)
   Call: (203) [system] atom_chars(_1310934, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (203) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise4)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _premise4)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1315598)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1317456)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1325924)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1329714)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1315598=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1158030=[_premise4]
   Exit: (200) [system] [_premise4]=[_premise4]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_premise4])
   Call: (199) [system] _1025586=[_proof4, _premise4]
   Exit: (199) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_proof4, _premise4])
   Call: (198) [system] _959220=[:, _proof4, _premise4]
   Exit: (198) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [:, _proof4, _premise4])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof4, _premise4])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1343596)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1345454)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1352264)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1354968)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1364360)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1368074)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1369932)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1378400)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1368074)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1383970)
   Exit: (200) [system] peek_char((0x56051b6b4f40), s)
   Call: (200) [system] s=(;)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1392438)
   Exit: (199) [system] peek_char((0x56051b6b4f40), s)
   Call: (199) [system] s=')'
   Call: (199) [system] s=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1396152)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1398010)
   Exit: (201) [system] peek_char((0x56051b6b4f40), s)
   Call: (201) [system] s=(;)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1406478)
   Exit: (200) [system] get_char((0x56051b6b4f40), s)
   Call: (200) [system] s='('
   Call: (200) [system] s='['
   Call: (200) [system] s='{'
   Call: (200) [system] s='"'
   Call: (200) [system] s=!
   Call: (200) [system] s='\''
   Call: (200) [system] s='`'
   Call: (200) [system] s=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), s, _1396152)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1416696)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1417630)
   Exit: (202) [system] peek_char((0x56051b6b4f40), y)
^  Call: (202) [user] is_delimiter(y)
   Call: (203) [system] char_type(y, space)
   Call: (203) [system] arg(_1421422, v('(', ')', end_of_file), y)
   Call: (202) [system] ')'==y
   Call: (202) [system] get_char((0x56051b6b4f40), y)
   Exit: (202) [system] get_char((0x56051b6b4f40), y)
   Call: (202) [system] y=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1425992)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1426926)
   Exit: (203) [system] peek_char((0x56051b6b4f40), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_1430718, v('(', ')', end_of_file), n)
   Call: (203) [system] ')'==n
   Call: (203) [system] get_char((0x56051b6b4f40), n)
   Exit: (203) [system] get_char((0x56051b6b4f40), n)
   Call: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1435288)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1436222)
   Exit: (204) [system] peek_char((0x56051b6b4f40), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_1440014, v('(', ')', end_of_file), t)
   Call: (204) [system] ')'==t
   Call: (204) [system] get_char((0x56051b6b4f40), t)
   Exit: (204) [system] get_char((0x56051b6b4f40), t)
   Call: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1444584)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1445518)
   Exit: (205) [system] peek_char((0x56051b6b4f40), h)
^  Call: (205) [user] is_delimiter(h)
   Call: (206) [system] char_type(h, space)
   Call: (206) [system] arg(_1449310, v('(', ')', end_of_file), h)
   Call: (205) [system] ')'==h
   Call: (205) [system] get_char((0x56051b6b4f40), h)
   Exit: (205) [system] get_char((0x56051b6b4f40), h)
   Call: (205) [system] h=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1453880)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1454814)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1458606, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1463176)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1464110)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1467902, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1472472)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1473406)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1477198, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1481768)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1482702)
   Exit: (209) [system] peek_char((0x56051b6b4f40), z)
^  Call: (209) [user] is_delimiter(z)
   Call: (210) [system] char_type(z, space)
   Call: (210) [system] arg(_1486494, v('(', ')', end_of_file), z)
   Call: (209) [system] ')'==z
   Call: (209) [system] get_char((0x56051b6b4f40), z)
   Exit: (209) [system] get_char((0x56051b6b4f40), z)
   Call: (209) [system] z=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1491064)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1491998)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1495790, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1500360)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1501294)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1500360=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1491064=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (209) [system] _1481768=[z, e]
   Exit: (209) [system] [z, e]=[z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (208) [system] _1472472=[i, z, e]
   Exit: (208) [system] [i, z, e]=[i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (207) [system] _1463176=[s, i, z, e]
   Exit: (207) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (206) [system] _1453880=[e, s, i, z, e]
   Exit: (206) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (205) [system] _1444584=[h, e, s, i, z, e]
   Exit: (205) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (204) [system] _1435288=[t, h, e, s, i, z, e]
   Exit: (204) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (203) [system] _1425992=[n, t, h, e, s, i, z, e]
   Exit: (203) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (202) [system] _1416696=[y, n, t, h, e, s, i, z, e]
   Exit: (202) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (201) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1396152)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1535750, _1535752), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1396152), _1535726, fail)), '$restore_trace'(_1535750, _1535752))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1535750, _1535752))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1535726, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1543250)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1545108)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1551918)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1554622)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1564014)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1567728)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1569586)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1578054)
   Exit: (201) [system] get_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1567728)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1583624)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1592092)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1595806)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1597664)
   Exit: (204) [system] peek_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1606132)
   Exit: (203) [system] get_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), :, _1595806)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1616350)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1617284)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1616350=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (204) [user] classify_and_convert_charseq(:, [], _1595806)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1626594, _1626596), once(user:catch(read_from_chars([:], _1595806), _1626570, fail)), '$restore_trace'(_1626594, _1626596))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1626594, _1626596))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1626570, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1634094)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1635952)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1642762)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1645466)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1654858)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1658572)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1660430)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1668898)
   Exit: (204) [system] get_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _1658572)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1679116)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1680050)
   Exit: (206) [system] peek_char((0x56051b6b4f40), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1683842, v('(', ')', end_of_file), p)
   Call: (206) [system] ')'==p
   Call: (206) [system] get_char((0x56051b6b4f40), p)
   Exit: (206) [system] get_char((0x56051b6b4f40), p)
   Call: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1688412)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1689346)
   Exit: (207) [system] peek_char((0x56051b6b4f40), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1693138, v('(', ')', end_of_file), r)
   Call: (207) [system] ')'==r
   Call: (207) [system] get_char((0x56051b6b4f40), r)
   Exit: (207) [system] get_char((0x56051b6b4f40), r)
   Call: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1697708)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1698642)
   Exit: (208) [system] peek_char((0x56051b6b4f40), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1702434, v('(', ')', end_of_file), o)
   Call: (208) [system] ')'==o
   Call: (208) [system] get_char((0x56051b6b4f40), o)
   Exit: (208) [system] get_char((0x56051b6b4f40), o)
   Call: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1707004)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1707938)
   Exit: (209) [system] peek_char((0x56051b6b4f40), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1711730, v('(', ')', end_of_file), o)
   Call: (209) [system] ')'==o
   Call: (209) [system] get_char((0x56051b6b4f40), o)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1716300)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1717234)
   Exit: (210) [system] peek_char((0x56051b6b4f40), f)
^  Call: (210) [user] is_delimiter(f)
   Call: (211) [system] char_type(f, space)
   Call: (211) [system] arg(_1721026, v('(', ')', end_of_file), f)
   Call: (210) [system] ')'==f
   Call: (210) [system] get_char((0x56051b6b4f40), f)
   Exit: (210) [system] get_char((0x56051b6b4f40), f)
   Call: (210) [system] f=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1725596)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1726530)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_1730322, v('(', ')', end_of_file), '4')
   Call: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x56051b6b4f40), '4')
   Exit: (211) [system] get_char((0x56051b6b4f40), '4')
   Call: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1734892)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1735826)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1734892=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _1725596=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (210) [system] _1716300=[f, '4']
   Exit: (210) [system] [f, '4']=[f, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '4'])
   Call: (209) [system] _1707004=[o, f, '4']
   Exit: (209) [system] [o, f, '4']=[o, f, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '4'])
   Call: (208) [system] _1697708=[o, o, f, '4']
   Exit: (208) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '4'])
   Call: (207) [system] _1688412=[r, o, o, f, '4']
   Exit: (207) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '4'])
   Call: (206) [system] _1679116=[p, r, o, o, f, '4']
   Exit: (206) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '4'])
^  Call: (205) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _1658572)
   Call: (206) [system] atom_chars(_1761874, ['_', p, r, o, o, f, '4'])
   Exit: (206) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (205) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof4)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _proof4)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1766538)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1768396)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1775206)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1777910)
   Exit: (206) [system] peek_char((0x56051b6b4f40), $)
   Call: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1787302)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1791016)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1792874)
   Exit: (206) [system] peek_char((0x56051b6b4f40), $)
   Call: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1801342)
   Exit: (205) [system] get_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), $, _1791016)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1811560)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1812494)
   Exit: (207) [system] peek_char((0x56051b6b4f40), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1816286, v('(', ')', end_of_file), p)
   Call: (207) [system] ')'==p
   Call: (207) [system] get_char((0x56051b6b4f40), p)
   Exit: (207) [system] get_char((0x56051b6b4f40), p)
   Call: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1820856)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1821790)
   Exit: (208) [system] peek_char((0x56051b6b4f40), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1825582, v('(', ')', end_of_file), r)
   Call: (208) [system] ')'==r
   Call: (208) [system] get_char((0x56051b6b4f40), r)
   Exit: (208) [system] get_char((0x56051b6b4f40), r)
   Call: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1830152)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1831086)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1834878, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1839448)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1840382)
   Exit: (210) [system] peek_char((0x56051b6b4f40), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1844174, v('(', ')', end_of_file), m)
   Call: (210) [system] ')'==m
   Call: (210) [system] get_char((0x56051b6b4f40), m)
   Exit: (210) [system] get_char((0x56051b6b4f40), m)
   Call: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1848744)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1849678)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1853470, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1858040)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1858974)
   Exit: (212) [system] peek_char((0x56051b6b4f40), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1862766, v('(', ')', end_of_file), s)
   Call: (212) [system] ')'==s
   Call: (212) [system] get_char((0x56051b6b4f40), s)
   Exit: (212) [system] get_char((0x56051b6b4f40), s)
   Call: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1867336)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1868270)
   Exit: (213) [system] peek_char((0x56051b6b4f40), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_1872062, v('(', ')', end_of_file), e)
   Call: (213) [system] ')'==e
   Call: (213) [system] get_char((0x56051b6b4f40), e)
   Exit: (213) [system] get_char((0x56051b6b4f40), e)
   Call: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1876632)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1877566)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (214) [user] is_delimiter('4')
   Call: (215) [system] char_type('4', space)
   Call: (215) [system] arg(_1881358, v('(', ')', end_of_file), '4')
   Call: (214) [system] ')'=='4'
   Call: (214) [system] get_char((0x56051b6b4f40), '4')
   Exit: (214) [system] get_char((0x56051b6b4f40), '4')
   Call: (214) [system] '4'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1885928)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1886862)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1890654, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1885928=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1876632=['4']
   Exit: (214) [system] ['4']=['4']
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (213) [system] _1867336=[e, '4']
   Exit: (213) [system] [e, '4']=[e, '4']
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '4'])
   Call: (212) [system] _1858040=[s, e, '4']
   Exit: (212) [system] [s, e, '4']=[s, e, '4']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '4'])
   Call: (211) [system] _1848744=[i, s, e, '4']
   Exit: (211) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '4'])
   Call: (210) [system] _1839448=[m, i, s, e, '4']
   Exit: (210) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '4'])
   Call: (209) [system] _1830152=[e, m, i, s, e, '4']
   Exit: (209) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '4'])
   Call: (208) [system] _1820856=[r, e, m, i, s, e, '4']
   Exit: (208) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '4'])
   Call: (207) [system] _1811560=[p, r, e, m, i, s, e, '4']
   Exit: (207) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '4'])
^  Call: (206) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _1791016)
   Call: (207) [system] atom_chars(_1919442, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (207) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (206) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise4)
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _premise4)
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1924106)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1925964)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1934432)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _1938222)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _1924106=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1766538=[_premise4]
   Exit: (204) [system] [_premise4]=[_premise4]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [_premise4])
   Call: (203) [system] _1634094=[_proof4, _premise4]
   Exit: (203) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [_proof4, _premise4])
   Call: (202) [system] _1567728=[:, _proof4, _premise4]
   Exit: (202) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [:, _proof4, _premise4])
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof4, _premise4])
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1952104)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1953962)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1960772)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1963476)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1972868)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1976582)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1978440)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1986908)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _1976582)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1997126)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1998060)
   Exit: (204) [system] peek_char((0x56051b6b4f40), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_2001852, v('(', ')', end_of_file), k)
   Call: (204) [system] ')'==k
   Call: (204) [system] get_char((0x56051b6b4f40), k)
   Exit: (204) [system] get_char((0x56051b6b4f40), k)
   Call: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2006422)
   Call: (205) [system] peek_char((0x56051b6b4f40), _2007356)
   Exit: (205) [system] peek_char((0x56051b6b4f40), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_2011148, v('(', ')', end_of_file), b)
   Call: (205) [system] ')'==b
   Call: (205) [system] get_char((0x56051b6b4f40), b)
   Exit: (205) [system] get_char((0x56051b6b4f40), b)
   Call: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2015718)
   Call: (206) [system] peek_char((0x56051b6b4f40), _2016652)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _2015718=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _2006422=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (204) [system] _1997126=[k, b]
   Exit: (204) [system] [k, b]=[k, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (203) [user] classify_and_convert_charseq($, [k, b], _1976582)
   Call: (204) [system] atom_chars(_2031524, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _2036188)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _2038046)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _2044856)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _2047560)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _2056952)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _2060666)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _2062524)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _2070992)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _2060666)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2081210)
   Call: (205) [system] peek_char((0x56051b6b4f40), _2082144)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_2085936, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2090506)
   Call: (206) [system] peek_char((0x56051b6b4f40), _2091440)
   Exit: (206) [system] peek_char((0x56051b6b4f40), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_2095232, v('(', ')', end_of_file), b)
   Call: (206) [system] ')'==b
   Call: (206) [system] get_char((0x56051b6b4f40), b)
   Exit: (206) [system] get_char((0x56051b6b4f40), b)
   Call: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _6850)
   Call: (207) [system] peek_char((0x56051b6b4f40), _7784)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _6850=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _4084=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (205) [system] _4080=[r, b]
   Exit: (205) [system] [r, b]=[r, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (204) [user] classify_and_convert_charseq($, [r, b], _4076)
   Call: (205) [system] atom_chars(_22656, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _27320)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _29178)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _35988)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _38692)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _48084)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _51798)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _53656)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _62124)
   Exit: (204) [system] get_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _51798)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _72342)
   Call: (206) [system] peek_char((0x56051b6b4f40), _73276)
   Exit: (206) [system] peek_char((0x56051b6b4f40), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_77068, v('(', ')', end_of_file), k)
   Call: (206) [system] ')'==k
   Call: (206) [system] get_char((0x56051b6b4f40), k)
   Exit: (206) [system] get_char((0x56051b6b4f40), k)
   Call: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _81638)
   Call: (207) [system] peek_char((0x56051b6b4f40), _82572)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_86364, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _81638=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _72342=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (205) [user] classify_and_convert_charseq($, [k], _51798)
   Call: (206) [system] atom_chars(_95594, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _100258)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _102116)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _110584)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _114374)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _100258=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _27320=[_k]
   Exit: (203) [system] [_k]=[_k]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (202) [system] _4072=[_rb, _k]
   Exit: (202) [system] [_rb, _k]=[_rb, _k]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (201) [system] _4062=[_kb, _rb, _k]
   Exit: (201) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (200) [system] _4030=[[:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (200) [system] [[:, _proof4, _premise4], _kb, _rb, _k]=[[:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [[:, _proof4, _premise4], _kb, _rb, _k])
   Call: (199) [system] _4022=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (199) [system] [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _133844)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _135702)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _144170)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _147960)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _133844=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _4018=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (197) [system] [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (196) [system] _3984=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (196) [system] [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _159048)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _160906)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _169374)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _173164)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _159048=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _3980=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (194) [system] [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (193) [system] _3868=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (192) [system] _3756=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (191) [system] _3644=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (190) [system] _3550=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (189) [system] _3442=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _195428)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _197286)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (189) [system] '\n'=(;)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x56051b6b4f40), _204902)
   Exit: (189) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _207606)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _214416)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _217120)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _223930)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _226634)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _233444)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _236148)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _242958)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _245662)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _252472)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _255176)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _269188)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _272902)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _274760)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _283228)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _272902)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293446)
   Call: (191) [system] peek_char((0x56051b6b4f40), _294380)
   Exit: (191) [system] peek_char((0x56051b6b4f40), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_298172, v('(', ')', end_of_file), q)
   Call: (191) [system] ')'==q
   Call: (191) [system] get_char((0x56051b6b4f40), q)
   Exit: (191) [system] get_char((0x56051b6b4f40), q)
   Call: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _302742)
   Call: (192) [system] peek_char((0x56051b6b4f40), _303676)
   Exit: (192) [system] peek_char((0x56051b6b4f40), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_307468, v('(', ')', end_of_file), u)
   Call: (192) [system] ')'==u
   Call: (192) [system] get_char((0x56051b6b4f40), u)
   Exit: (192) [system] get_char((0x56051b6b4f40), u)
   Call: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _312038)
   Call: (193) [system] peek_char((0x56051b6b4f40), _312972)
   Exit: (193) [system] peek_char((0x56051b6b4f40), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_316764, v('(', ')', end_of_file), e)
   Call: (193) [system] ')'==e
   Call: (193) [system] get_char((0x56051b6b4f40), e)
   Exit: (193) [system] get_char((0x56051b6b4f40), e)
   Call: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _321334)
   Call: (194) [system] peek_char((0x56051b6b4f40), _322268)
   Exit: (194) [system] peek_char((0x56051b6b4f40), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_326060, v('(', ')', end_of_file), r)
   Call: (194) [system] ')'==r
   Call: (194) [system] get_char((0x56051b6b4f40), r)
   Exit: (194) [system] get_char((0x56051b6b4f40), r)
   Call: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _330630)
   Call: (195) [system] peek_char((0x56051b6b4f40), _331564)
   Exit: (195) [system] peek_char((0x56051b6b4f40), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_335356, v('(', ')', end_of_file), y)
   Call: (195) [system] ')'==y
   Call: (195) [system] get_char((0x56051b6b4f40), y)
   Exit: (195) [system] get_char((0x56051b6b4f40), y)
   Call: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _339926)
   Call: (196) [system] peek_char((0x56051b6b4f40), _340860)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_344652, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _339926=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _330630=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (194) [system] _321334=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (193) [system] _312038=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (192) [system] _302742=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (191) [system] _293446=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _272902)
   Call: (191) [system] atom_chars(_365058, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _369722)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _371580)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _380048)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _383838)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _369722=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _195428=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (187) [system] _3438=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3430=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _397720)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _399578)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _408046)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _411836)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _397720=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _3426=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3362=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3322=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (179) [user] assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 74, 0, 2755, '$stream_position'(2755, 74, 0, 2755)), read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_430354, _430356, _430358, _430360, _430362))
^  Exit: (177) [user] retract(metta_file_comment(42, 0, 1314, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$stream_position'(1314, 42, 0, 1314)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _433202))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _433202)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _433202)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _436018))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _436018))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _436018)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _438818))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _438818)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _438818)
   Call: (187) [system] var('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] atom('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==true
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==false
   Call: (187) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==[_445338, _445344]
   Call: (187) [system] is_list('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] string('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] compound('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Exit: (187) [system] compound('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _449972, _449974)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], _453714)
   Call: (188) [apply] apply:maplist_([";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], _453714, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;      where premises and conclusion have the form (: TERM TYPE).", _455594)
   Call: (190) [system] var(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==true
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==false
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."==[_460236, _460242]
   Call: (190) [system] is_list(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] string(";;      where premises and conclusion have the form (: TERM TYPE).")
   Exit: (190) [system] string(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Call: (190) [user] symbol(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (191) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
   Fail: (191) [system] atom(";;      where premises and conclusion have the form (: TERM TYPE).")
^  Fail: (190) [user] symbol(";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=_455594
   Exit: (190) [system] ";;      where premises and conclusion have the form (: TERM TYPE)."=";;      where premises and conclusion have the form (: TERM TYPE)."
^  Exit: (189) [user] mfix_vars1(";;      where premises and conclusion have the form (: TERM TYPE).", ";;      where premises and conclusion have the form (: TERM TYPE).")
   Call: (189) [apply] apply:maplist_([42, 0], _455596, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(42, _474116)
   Call: (191) [system] var(42)
   Call: (191) [system] atom(42)
   Call: (191) [system] 42==true
   Call: (191) [system] 42==false
   Call: (191) [system] 42==[_478758, _478764]
   Call: (191) [system] is_list(42)
   Call: (191) [system] string(42)
   Call: (191) [system] compound(42)
^  Call: (191) [user] symbol(42)
   Call: (192) [system] atom(42)
   Fail: (192) [system] atom(42)
^  Fail: (191) [user] symbol(42)
   Call: (191) [system] 42=_474116
   Exit: (191) [system] 42=42
^  Exit: (190) [user] mfix_vars1(42, 42)
   Call: (190) [apply] apply:maplist_([0], _474118, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _489882)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_494524, _494530]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_489882
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _489884, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([42, 0], [42, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0], [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Call: (187) [system] compound_name_arguments(_438818, '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT', [";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _518700))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _518700))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _518700)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _521500))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _521500)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _521500)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _433202))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _433202))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _433202)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _535458))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _535458)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), _535458)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (184) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (178) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)\=@='$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)))
   Call: (169) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), nthesize_long_1726792630_1772065, 73)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792635.6392937)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792635.6392937-1726792634.4645028
   Exit: (173) [system] 1.174790859222412 is 1726792635.6392937-1726792634.4645028
   Call: (173) [system] 1.174790859222412>4
   Fail: (173) [system] 1.174790859222412>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 8)
   Call: (175) [system] atom(8+1)
   Call: (175) [system] set_flag(translated_forms, 9)
   Exit: (175) [system] set_flag(translated_forms, 9)
   Exit: (174) [$syspreds] update_flag(translated_forms, 8, 8+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 8, 8+1))
   Exit: (171) [$syspreds] flag(translated_forms, 8, 8+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), nthesize_long_1726792630_1772065, 73)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;      where premises and conclusion have the form (: TERM TYPE)."])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;      where premises and conclusion have the form (: TERM TYPE)."])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), nthesize_long_1726792630_1772065, 73)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0)), 73]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 8, 8+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;      where premises and conclusion have the form (: TERM TYPE).", 42, 0), nthesize_long_1726792630_1772065, 73)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 82)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 82))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 82))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _610242)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _617664)
   Exit: (175) [system] peek_char((0x56051b6b4f40), ;)
   Call: (175) [system] char_type(;, space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _626002)
   Exit: (177) [system] peek_char((0x56051b6b4f40), ;)
   Call: (177) [system] char_type(;, space)
   Call: (177) [system] _628788=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _630656, _630658, _630660, _630662), read_sexpr((0x56051b6b4f40), _630674), assertz(metta_file_comment(_630656, _630658, _630660, _630674, _630662))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _630656, _630658, _630660, _630662)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_630662))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_630662))
   Exit: (181) [system] nonvar(position(_630662))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(3311, 83, 0, 3311)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), _630656)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _640914)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), _630656)
   Exit: (181) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), 83)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), 83)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), _630658)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _648348)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), _630658)
   Exit: (181) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), _630660)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _655782)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), _630660)
   Exit: (181) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), 3311)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), 3311)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _630674)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _630674)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _665084)
   Exit: (182) [system] peek_char((0x56051b6b4f40), ;)
   Call: (182) [system] (;)=(;)
   Exit: (182) [system] (;)=(;)
^  Call: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (183) [user] read_position((0x56051b6b4f40), _669722, _669724, _669726, _669728)
   Call: (184) [system] stream_property((0x56051b6b4f40), position(_669728))
   Call: (185) [system] nonvar((0x56051b6b4f40))
   Exit: (185) [system] nonvar((0x56051b6b4f40))
   Call: (185) [system] nonvar(position(_669728))
   Exit: (185) [system] nonvar(position(_669728))
   Exit: (184) [system] stream_property((0x56051b6b4f40), position('$stream_position'(3311, 83, 0, 3311)))
   Call: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), _669722)
   Call: (185) [system] nonvar(line_count)
   Exit: (185) [system] nonvar(line_count)
   Call: (185) [$syspreds] stream_position_field(line_count, _679016)
   Exit: (185) [$syspreds] stream_position_field(line_count, 2)
   Call: (185) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), _669722)
   Exit: (185) [system] arg(2, '$stream_position'(3311, 83, 0, 3311), 83)
   Exit: (184) [$syspreds] stream_position_data(line_count, '$stream_position'(3311, 83, 0, 3311), 83)
   Call: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), _669724)
   Call: (185) [system] nonvar(line_position)
   Exit: (185) [system] nonvar(line_position)
   Call: (185) [$syspreds] stream_position_field(line_position, _686450)
   Exit: (185) [$syspreds] stream_position_field(line_position, 3)
   Call: (185) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), _669724)
   Exit: (185) [system] arg(3, '$stream_position'(3311, 83, 0, 3311), 0)
   Exit: (184) [$syspreds] stream_position_data(line_position, '$stream_position'(3311, 83, 0, 3311), 0)
   Call: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), _669726)
   Call: (185) [system] nonvar(char_count)
   Exit: (185) [system] nonvar(char_count)
   Call: (185) [$syspreds] stream_position_field(char_count, _693884)
   Exit: (185) [$syspreds] stream_position_field(char_count, 1)
   Call: (185) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), _669726)
   Exit: (185) [system] arg(1, '$stream_position'(3311, 83, 0, 3311), 3311)
   Exit: (184) [$syspreds] stream_position_data(char_count, '$stream_position'(3311, 83, 0, 3311), 3311)
^  Exit: (183) [user] read_position((0x56051b6b4f40), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311))
^  Call: (183) [user] read_until_eol((0x56051b6b4f40), _699478)
   Call: (184) [system] get_char((0x56051b6b4f40), _700408)
   Exit: (184) [system] get_char((0x56051b6b4f40), ;)
   Call: (184) [system] char_type(;, end_of_line)
   Call: (184) [system] (;)=end_of_file
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _704122)
   Call: (185) [system] get_char((0x56051b6b4f40), _705052)
   Exit: (185) [system] get_char((0x56051b6b4f40), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _708766)
   Call: (186) [system] get_char((0x56051b6b4f40), _709696)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
   Call: (186) [system] char_type(' ', end_of_line)
   Call: (186) [system] ' '=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _713410)
   Call: (187) [system] get_char((0x56051b6b4f40), _714340)
   Exit: (187) [system] get_char((0x56051b6b4f40), 'Q')
   Call: (187) [system] char_type('Q', end_of_line)
   Call: (187) [system] 'Q'=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _718054)
   Call: (188) [system] get_char((0x56051b6b4f40), _718984)
   Exit: (188) [system] get_char((0x56051b6b4f40), u)
   Call: (188) [system] char_type(u, end_of_line)
   Call: (188) [system] u=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _722698)
   Call: (189) [system] get_char((0x56051b6b4f40), _723628)
   Exit: (189) [system] get_char((0x56051b6b4f40), i)
   Call: (189) [system] char_type(i, end_of_line)
   Call: (189) [system] i=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _727342)
   Call: (190) [system] get_char((0x56051b6b4f40), _728272)
   Exit: (190) [system] get_char((0x56051b6b4f40), n)
   Call: (190) [system] char_type(n, end_of_line)
   Call: (190) [system] n=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _731986)
   Call: (191) [system] get_char((0x56051b6b4f40), _732916)
   Exit: (191) [system] get_char((0x56051b6b4f40), t)
   Call: (191) [system] char_type(t, end_of_line)
   Call: (191) [system] t=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _736630)
   Call: (192) [system] get_char((0x56051b6b4f40), _737560)
   Exit: (192) [system] get_char((0x56051b6b4f40), e)
   Call: (192) [system] char_type(e, end_of_line)
   Call: (192) [system] e=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _741274)
   Call: (193) [system] get_char((0x56051b6b4f40), _742204)
   Exit: (193) [system] get_char((0x56051b6b4f40), n)
   Call: (193) [system] char_type(n, end_of_line)
   Call: (193) [system] n=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _745918)
   Call: (194) [system] get_char((0x56051b6b4f40), _746848)
   Exit: (194) [system] get_char((0x56051b6b4f40), a)
   Call: (194) [system] char_type(a, end_of_line)
   Call: (194) [system] a=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _750562)
   Call: (195) [system] get_char((0x56051b6b4f40), _751492)
   Exit: (195) [system] get_char((0x56051b6b4f40), r)
   Call: (195) [system] char_type(r, end_of_line)
   Call: (195) [system] r=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _755206)
   Call: (196) [system] get_char((0x56051b6b4f40), _756136)
   Exit: (196) [system] get_char((0x56051b6b4f40), y)
   Call: (196) [system] char_type(y, end_of_line)
   Call: (196) [system] y=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _759850)
   Call: (197) [system] get_char((0x56051b6b4f40), _760780)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
   Call: (197) [system] char_type(' ', end_of_line)
   Call: (197) [system] ' '=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _764494)
   Call: (198) [system] get_char((0x56051b6b4f40), _765424)
   Exit: (198) [system] get_char((0x56051b6b4f40), r)
   Call: (198) [system] char_type(r, end_of_line)
   Call: (198) [system] r=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _769138)
   Call: (199) [system] get_char((0x56051b6b4f40), _770068)
   Exit: (199) [system] get_char((0x56051b6b4f40), u)
   Call: (199) [system] char_type(u, end_of_line)
   Call: (199) [system] u=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _773782)
   Call: (200) [system] get_char((0x56051b6b4f40), _774712)
   Exit: (200) [system] get_char((0x56051b6b4f40), l)
   Call: (200) [system] char_type(l, end_of_line)
   Call: (200) [system] l=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _778426)
   Call: (201) [system] get_char((0x56051b6b4f40), _779356)
   Exit: (201) [system] get_char((0x56051b6b4f40), e)
   Call: (201) [system] char_type(e, end_of_line)
   Call: (201) [system] e=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _783070)
   Call: (202) [system] get_char((0x56051b6b4f40), _784000)
   Exit: (202) [system] get_char((0x56051b6b4f40), '\n')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
   Call: (202) [system] _783070=""
   Exit: (202) [system] ""=""
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (201) [system] string_concat(e, "", _778426)
   Exit: (201) [system] string_concat(e, "", "e")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), "e")
   Call: (200) [system] string_concat(l, "e", _773782)
   Exit: (200) [system] string_concat(l, "e", "le")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "le")
   Call: (199) [system] string_concat(u, "le", _769138)
   Exit: (199) [system] string_concat(u, "le", "ule")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), "ule")
   Call: (198) [system] string_concat(r, "ule", _764494)
   Exit: (198) [system] string_concat(r, "ule", "rule")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "rule")
   Call: (197) [system] string_concat(' ', "rule", _759850)
   Exit: (197) [system] string_concat(' ', "rule", " rule")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), " rule")
   Call: (196) [system] string_concat(y, " rule", _755206)
   Exit: (196) [system] string_concat(y, " rule", "y rule")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "y rule")
   Call: (195) [system] string_concat(r, "y rule", _750562)
   Exit: (195) [system] string_concat(r, "y rule", "ry rule")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "ry rule")
   Call: (194) [system] string_concat(a, "ry rule", _745918)
   Exit: (194) [system] string_concat(a, "ry rule", "ary rule")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "ary rule")
   Call: (193) [system] string_concat(n, "ary rule", _741274)
   Exit: (193) [system] string_concat(n, "ary rule", "nary rule")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), "nary rule")
   Call: (192) [system] string_concat(e, "nary rule", _736630)
   Exit: (192) [system] string_concat(e, "nary rule", "enary rule")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "enary rule")
   Call: (191) [system] string_concat(t, "enary rule", _731986)
   Exit: (191) [system] string_concat(t, "enary rule", "tenary rule")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "tenary rule")
   Call: (190) [system] string_concat(n, "tenary rule", _727342)
   Exit: (190) [system] string_concat(n, "tenary rule", "ntenary rule")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "ntenary rule")
   Call: (189) [system] string_concat(i, "ntenary rule", _722698)
   Exit: (189) [system] string_concat(i, "ntenary rule", "intenary rule")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "intenary rule")
   Call: (188) [system] string_concat(u, "intenary rule", _718054)
   Exit: (188) [system] string_concat(u, "intenary rule", "uintenary rule")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "uintenary rule")
   Call: (187) [system] string_concat('Q', "uintenary rule", _713410)
   Exit: (187) [system] string_concat('Q', "uintenary rule", "Quintenary rule")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), "Quintenary rule")
   Call: (186) [system] string_concat(' ', "Quintenary rule", _708766)
   Exit: (186) [system] string_concat(' ', "Quintenary rule", " Quintenary rule")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), " Quintenary rule")
   Call: (185) [system] string_concat(;, " Quintenary rule", _704122)
   Exit: (185) [system] string_concat(;, " Quintenary rule", "; Quintenary rule")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), "; Quintenary rule")
   Call: (184) [system] string_concat(;, "; Quintenary rule", _699478)
   Exit: (184) [system] string_concat(;, "; Quintenary rule", ";; Quintenary rule")
^  Exit: (183) [user] read_until_eol((0x56051b6b4f40), ";; Quintenary rule")
^  Call: (183) [user] assertz(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (183) [user] assertz(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (182) [user] read_comment((0x56051b6b4f40))
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _844628)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _854020)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _630674)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _859590)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _868058)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _871772)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _873630)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _882098)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _871772)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _892316)
   Call: (185) [system] peek_char((0x56051b6b4f40), _893250)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _892316=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _871772)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_902560, _902562), once(user:catch(read_from_chars([=], _871772), _902536, fail)), '$restore_trace'(_902560, _902562))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_902560, _902562))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _902536, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _910060)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _911918)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _918728)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _921432)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _930824)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _934538)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _936396)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _944864)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _934538)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _950434)
   Exit: (186) [system] peek_char((0x56051b6b4f40), s)
   Call: (186) [system] s=(;)
^  Call: (186) [user] is_like_space(s)
   Call: (187) [system] char_type(s, 'white')
   Call: (187) [system] char_type(s, end_of_line)
   Call: (187) [system] char_type(s, space)
   Call: (187) [system] char_type(s, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _958902)
   Exit: (185) [system] peek_char((0x56051b6b4f40), s)
   Call: (185) [system] s=')'
   Call: (185) [system] s=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _962616)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _964474)
   Exit: (187) [system] peek_char((0x56051b6b4f40), s)
   Call: (187) [system] s=(;)
^  Call: (187) [user] is_like_space(s)
   Call: (188) [system] char_type(s, 'white')
   Call: (188) [system] char_type(s, end_of_line)
   Call: (188) [system] char_type(s, space)
   Call: (188) [system] char_type(s, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _972942)
   Exit: (186) [system] get_char((0x56051b6b4f40), s)
   Call: (186) [system] s='('
   Call: (186) [system] s='['
   Call: (186) [system] s='{'
   Call: (186) [system] s='"'
   Call: (186) [system] s=!
   Call: (186) [system] s='\''
   Call: (186) [system] s='`'
   Call: (186) [system] s=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, _962616)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _983160)
   Call: (188) [system] peek_char((0x56051b6b4f40), _984094)
   Exit: (188) [system] peek_char((0x56051b6b4f40), y)
^  Call: (188) [user] is_delimiter(y)
   Call: (189) [system] char_type(y, space)
   Call: (189) [system] arg(_987886, v('(', ')', end_of_file), y)
   Call: (188) [system] ')'==y
   Call: (188) [system] get_char((0x56051b6b4f40), y)
   Exit: (188) [system] get_char((0x56051b6b4f40), y)
   Call: (188) [system] y=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _992456)
   Call: (189) [system] peek_char((0x56051b6b4f40), _993390)
   Exit: (189) [system] peek_char((0x56051b6b4f40), n)
^  Call: (189) [user] is_delimiter(n)
   Call: (190) [system] char_type(n, space)
   Call: (190) [system] arg(_997182, v('(', ')', end_of_file), n)
   Call: (189) [system] ')'==n
   Call: (189) [system] get_char((0x56051b6b4f40), n)
   Exit: (189) [system] get_char((0x56051b6b4f40), n)
   Call: (189) [system] n=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1001752)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1002686)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1006478, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1011048)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1011982)
   Exit: (191) [system] peek_char((0x56051b6b4f40), h)
^  Call: (191) [user] is_delimiter(h)
   Call: (192) [system] char_type(h, space)
   Call: (192) [system] arg(_1015774, v('(', ')', end_of_file), h)
   Call: (191) [system] ')'==h
   Call: (191) [system] get_char((0x56051b6b4f40), h)
   Exit: (191) [system] get_char((0x56051b6b4f40), h)
   Call: (191) [system] h=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1020344)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1021278)
   Exit: (192) [system] peek_char((0x56051b6b4f40), e)
^  Call: (192) [user] is_delimiter(e)
   Call: (193) [system] char_type(e, space)
   Call: (193) [system] arg(_1025070, v('(', ')', end_of_file), e)
   Call: (192) [system] ')'==e
   Call: (192) [system] get_char((0x56051b6b4f40), e)
   Exit: (192) [system] get_char((0x56051b6b4f40), e)
   Call: (192) [system] e=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1029640)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1030574)
   Exit: (193) [system] peek_char((0x56051b6b4f40), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_1034366, v('(', ')', end_of_file), s)
   Call: (193) [system] ')'==s
   Call: (193) [system] get_char((0x56051b6b4f40), s)
   Exit: (193) [system] get_char((0x56051b6b4f40), s)
   Call: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1038936)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1039870)
   Exit: (194) [system] peek_char((0x56051b6b4f40), i)
^  Call: (194) [user] is_delimiter(i)
   Call: (195) [system] char_type(i, space)
   Call: (195) [system] arg(_1043662, v('(', ')', end_of_file), i)
   Call: (194) [system] ')'==i
   Call: (194) [system] get_char((0x56051b6b4f40), i)
   Exit: (194) [system] get_char((0x56051b6b4f40), i)
   Call: (194) [system] i=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1048232)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1049166)
   Exit: (195) [system] peek_char((0x56051b6b4f40), z)
^  Call: (195) [user] is_delimiter(z)
   Call: (196) [system] char_type(z, space)
   Call: (196) [system] arg(_1052958, v('(', ')', end_of_file), z)
   Call: (195) [system] ')'==z
   Call: (195) [system] get_char((0x56051b6b4f40), z)
   Exit: (195) [system] get_char((0x56051b6b4f40), z)
   Call: (195) [system] z=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1057528)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1058462)
   Exit: (196) [system] peek_char((0x56051b6b4f40), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1062254, v('(', ')', end_of_file), e)
   Call: (196) [system] ')'==e
   Call: (196) [system] get_char((0x56051b6b4f40), e)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1066824)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1067758)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1066824=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1057528=[e]
   Exit: (196) [system] [e]=[e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (195) [system] _1048232=[z, e]
   Exit: (195) [system] [z, e]=[z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (194) [system] _1038936=[i, z, e]
   Exit: (194) [system] [i, z, e]=[i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (193) [system] _1029640=[s, i, z, e]
   Exit: (193) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (192) [system] _1020344=[e, s, i, z, e]
   Exit: (192) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (191) [system] _1011048=[h, e, s, i, z, e]
   Exit: (191) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (190) [system] _1001752=[t, h, e, s, i, z, e]
   Exit: (190) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (189) [system] _992456=[n, t, h, e, s, i, z, e]
   Exit: (189) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (188) [system] _983160=[y, n, t, h, e, s, i, z, e]
   Exit: (188) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _962616)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1102214, _1102216), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _962616), _1102190, fail)), '$restore_trace'(_1102214, _1102216))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1102214, _1102216))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1102190, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(synthesize)
   Exit: (188) [system] atomic(synthesize)
^  Exit: (187) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1109714)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1111572)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _1118382)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1121086)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1130478)
   Exit: (186) [system] peek_char((0x56051b6b4f40), $)
   Call: (186) [system] ($)=')'
   Call: (186) [system] ($)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1134192)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1136050)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=(;)
^  Call: (188) [user] is_like_space($)
   Call: (189) [system] char_type($, 'white')
   Call: (189) [system] char_type($, end_of_line)
   Call: (189) [system] char_type($, space)
   Call: (189) [system] char_type($, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1144518)
   Exit: (187) [system] get_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)='('
   Call: (187) [system] ($)='['
   Call: (187) [system] ($)='{'
   Call: (187) [system] ($)='"'
   Call: (187) [system] ($)=!
   Call: (187) [system] ($)='\''
   Call: (187) [system] ($)='`'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _1134192)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1154736)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1155670)
   Exit: (189) [system] peek_char((0x56051b6b4f40), q)
^  Call: (189) [user] is_delimiter(q)
   Call: (190) [system] char_type(q, space)
   Call: (190) [system] arg(_1159462, v('(', ')', end_of_file), q)
   Call: (189) [system] ')'==q
   Call: (189) [system] get_char((0x56051b6b4f40), q)
   Exit: (189) [system] get_char((0x56051b6b4f40), q)
   Call: (189) [system] q=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1164032)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1164966)
   Exit: (190) [system] peek_char((0x56051b6b4f40), u)
^  Call: (190) [user] is_delimiter(u)
   Call: (191) [system] char_type(u, space)
   Call: (191) [system] arg(_1168758, v('(', ')', end_of_file), u)
   Call: (190) [system] ')'==u
   Call: (190) [system] get_char((0x56051b6b4f40), u)
   Exit: (190) [system] get_char((0x56051b6b4f40), u)
   Call: (190) [system] u=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1173328)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1174262)
   Exit: (191) [system] peek_char((0x56051b6b4f40), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1178054, v('(', ')', end_of_file), e)
   Call: (191) [system] ')'==e
   Call: (191) [system] get_char((0x56051b6b4f40), e)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1182624)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1183558)
   Exit: (192) [system] peek_char((0x56051b6b4f40), r)
^  Call: (192) [user] is_delimiter(r)
   Call: (193) [system] char_type(r, space)
   Call: (193) [system] arg(_1187350, v('(', ')', end_of_file), r)
   Call: (192) [system] ')'==r
   Call: (192) [system] get_char((0x56051b6b4f40), r)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] r=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1191920)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1192854)
   Exit: (193) [system] peek_char((0x56051b6b4f40), y)
^  Call: (193) [user] is_delimiter(y)
   Call: (194) [system] char_type(y, space)
   Call: (194) [system] arg(_1196646, v('(', ')', end_of_file), y)
   Call: (193) [system] ')'==y
   Call: (193) [system] get_char((0x56051b6b4f40), y)
   Exit: (193) [system] get_char((0x56051b6b4f40), y)
   Call: (193) [system] y=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1201216)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1202150)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1201216=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1191920=[y]
   Exit: (193) [system] [y]=[y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (192) [system] _1182624=[r, y]
   Exit: (192) [system] [r, y]=[r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (191) [system] _1173328=[e, r, y]
   Exit: (191) [system] [e, r, y]=[e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (190) [system] _1164032=[u, e, r, y]
   Exit: (190) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (189) [system] _1154736=[q, u, e, r, y]
   Exit: (189) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _1134192)
   Call: (189) [system] atom_chars(_1225404, ['_', q, u, e, r, y])
   Exit: (189) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (188) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _1230068)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1231926)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1238736)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1241440)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1250832)
   Exit: (187) [system] peek_char((0x56051b6b4f40), $)
   Call: (187) [system] ($)=')'
   Call: (187) [system] ($)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _1254546)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1256404)
   Exit: (189) [system] peek_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)=(;)
^  Call: (189) [user] is_like_space($)
   Call: (190) [system] char_type($, 'white')
   Call: (190) [system] char_type($, end_of_line)
   Call: (190) [system] char_type($, space)
   Call: (190) [system] char_type($, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _1264872)
   Exit: (188) [system] get_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)='('
   Call: (188) [system] ($)='['
   Call: (188) [system] ($)='{'
   Call: (188) [system] ($)='"'
   Call: (188) [system] ($)=!
   Call: (188) [system] ($)='\''
   Call: (188) [system] ($)='`'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _1254546)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1275090)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1276024)
   Exit: (190) [system] peek_char((0x56051b6b4f40), k)
^  Call: (190) [user] is_delimiter(k)
   Call: (191) [system] char_type(k, space)
   Call: (191) [system] arg(_1279816, v('(', ')', end_of_file), k)
   Call: (190) [system] ')'==k
   Call: (190) [system] get_char((0x56051b6b4f40), k)
   Exit: (190) [system] get_char((0x56051b6b4f40), k)
   Call: (190) [system] k=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1284386)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1285320)
   Exit: (191) [system] peek_char((0x56051b6b4f40), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1289112, v('(', ')', end_of_file), b)
   Call: (191) [system] ')'==b
   Call: (191) [system] get_char((0x56051b6b4f40), b)
   Exit: (191) [system] get_char((0x56051b6b4f40), b)
   Call: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1293682)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1294616)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1293682=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _1284386=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (190) [system] _1275090=[k, b]
   Exit: (190) [system] [k, b]=[k, b]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (189) [user] classify_and_convert_charseq($, [k, b], _1254546)
   Call: (190) [system] atom_chars(_1309488, ['_', k, b])
   Exit: (190) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (189) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1314152)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1316010)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1322820)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1325524)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1334916)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _1338630)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1340488)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _1348956)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _1338630)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1359174)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1360108)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1363900, v('(', ')', end_of_file), r)
   Call: (191) [system] ')'==r
   Call: (191) [system] get_char((0x56051b6b4f40), r)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1368470)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1369404)
   Exit: (192) [system] peek_char((0x56051b6b4f40), b)
^  Call: (192) [user] is_delimiter(b)
   Call: (193) [system] char_type(b, space)
   Call: (193) [system] arg(_1373196, v('(', ')', end_of_file), b)
   Call: (192) [system] ')'==b
   Call: (192) [system] get_char((0x56051b6b4f40), b)
   Exit: (192) [system] get_char((0x56051b6b4f40), b)
   Call: (192) [system] b=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1377766)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1378700)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] is_delimiter(' ')
   Call: (194) [system] char_type(' ', space)
   Exit: (194) [system] char_type(' ', space)
^  Exit: (193) [user] is_delimiter(' ')
   Call: (193) [system] _1377766=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (192) [system] _1368470=[b]
   Exit: (192) [system] [b]=[b]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (191) [system] _1359174=[r, b]
   Exit: (191) [system] [r, b]=[r, b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (190) [user] classify_and_convert_charseq($, [r, b], _1338630)
   Call: (191) [system] atom_chars(_1393572, ['_', r, b])
   Exit: (191) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (190) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1398236)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1400094)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _1406904)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1409608)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1419000)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _1422714)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1424572)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _1433040)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _1422714)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1438610)
   Exit: (192) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (192) [system] 'S'=(;)
^  Call: (192) [user] is_like_space('S')
   Call: (193) [system] char_type('S', 'white')
   Call: (193) [system] char_type('S', end_of_line)
   Call: (193) [system] char_type('S', space)
   Call: (193) [system] char_type('S', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1447078)
   Exit: (191) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (191) [system] 'S'=')'
   Call: (191) [system] 'S'=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1450792)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1452650)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (193) [system] 'S'=(;)
^  Call: (193) [user] is_like_space('S')
   Call: (194) [system] char_type('S', 'white')
   Call: (194) [system] char_type('S', end_of_line)
   Call: (194) [system] char_type('S', space)
   Call: (194) [system] char_type('S', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1461118)
   Exit: (192) [system] get_char((0x56051b6b4f40), 'S')
   Call: (192) [system] 'S'='('
   Call: (192) [system] 'S'='['
   Call: (192) [system] 'S'='{'
   Call: (192) [system] 'S'='"'
   Call: (192) [system] 'S'=!
   Call: (192) [system] 'S'='\''
   Call: (192) [system] 'S'='`'
   Call: (192) [system] 'S'=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'S', _1450792)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1471336)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1472270)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1471336=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq('S', [], _1450792)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1481580, _1481582), once(user:catch(read_from_chars(['S'], _1450792), _1481556, fail)), '$restore_trace'(_1481580, _1481582))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1481580, _1481582))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _1450792), _1481556, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(_1450792)
   Call: (194) [system] atom_chars(_1450792, ['S'])
   Exit: (194) [system] atom_chars('S', ['S'])
^  Exit: (193) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), 'S', 'S')
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), 'S')
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1490032)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1491890)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1498700)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1501404)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1510796)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1514510)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1516368)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1524836)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _1514510)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1535054)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1535988)
   Exit: (195) [system] peek_char((0x56051b6b4f40), k)
^  Call: (195) [user] is_delimiter(k)
   Call: (196) [system] char_type(k, space)
   Call: (196) [system] arg(_1539780, v('(', ')', end_of_file), k)
   Call: (195) [system] ')'==k
   Call: (195) [system] get_char((0x56051b6b4f40), k)
   Exit: (195) [system] get_char((0x56051b6b4f40), k)
   Call: (195) [system] k=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1544350)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1545284)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1549076, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1544350=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1535054=[k]
   Exit: (195) [system] [k]=[k]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (194) [user] classify_and_convert_charseq($, [k], _1514510)
   Call: (195) [system] atom_chars(_1558306, ['_', k])
   Exit: (195) [system] atom_chars('_k', ['_', k])
^  Exit: (194) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1562970)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1564828)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1573296)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _1577086)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _1562970=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _1490032=[_k]
   Exit: (192) [system] [_k]=[_k]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (191) [system] _1422714=['S', _k]
   Exit: (191) [system] ['S', _k]=['S', _k]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), ['S', _k])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), ['S', _k])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1588174)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1590032)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
   Call: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1598500)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x56051b6b4f40), _1602290)
   Exit: (190) [system] get_char((0x56051b6b4f40), ')')
   Call: (190) [system] _1588174=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (189) [system] _1398236=[['S', _k]]
   Exit: (189) [system] [['S', _k]]=[['S', _k]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [['S', _k]])
   Call: (188) [system] _1314152=[_rb, ['S', _k]]
   Exit: (188) [system] [_rb, ['S', _k]]=[_rb, ['S', _k]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_rb, ['S', _k]])
   Call: (187) [system] _1230068=[_kb, _rb, ['S', _k]]
   Exit: (187) [system] [_kb, _rb, ['S', _k]]=[_kb, _rb, ['S', _k]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, ['S', _k]])
   Call: (186) [system] _1109714=[_query, _kb, _rb, ['S', _k]]
   Exit: (186) [system] [_query, _kb, _rb, ['S', _k]]=[_query, _kb, _rb, ['S', _k]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [_query, _kb, _rb, ['S', _k]])
   Call: (185) [system] _934538=[synthesize, _query, _kb, _rb, ['S', _k]]
   Exit: (185) [system] [synthesize, _query, _kb, _rb, ['S', _k]]=[synthesize, _query, _kb, _rb, ['S', _k]]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _1621760)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1623618)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (185) [system] '\n'=(;)
^  Call: (185) [user] is_like_space('\n')
   Call: (186) [system] char_type('\n', 'white')
   Call: (186) [system] char_type('\n', end_of_line)
   Exit: (186) [system] char_type('\n', end_of_line)
^  Exit: (185) [user] is_like_space('\n')
   Call: (185) [system] get_char((0x56051b6b4f40), _1631234)
   Exit: (185) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1633938)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x56051b6b4f40), _1640748)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1643452)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _1650262)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1652966)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1659776)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1662480)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1674644)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _1678358)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1680216)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _1688684)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1678358)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1694254)
   Exit: (187) [system] peek_char((0x56051b6b4f40), l)
   Call: (187) [system] l=(;)
^  Call: (187) [user] is_like_space(l)
   Call: (188) [system] char_type(l, 'white')
   Call: (188) [system] char_type(l, end_of_line)
   Call: (188) [system] char_type(l, space)
   Call: (188) [system] char_type(l, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1702722)
   Exit: (186) [system] peek_char((0x56051b6b4f40), l)
   Call: (186) [system] l=')'
   Call: (186) [system] l=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1706436)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1708294)
   Exit: (188) [system] peek_char((0x56051b6b4f40), l)
   Call: (188) [system] l=(;)
^  Call: (188) [user] is_like_space(l)
   Call: (189) [system] char_type(l, 'white')
   Call: (189) [system] char_type(l, end_of_line)
   Call: (189) [system] char_type(l, space)
   Call: (189) [system] char_type(l, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1716762)
   Exit: (187) [system] get_char((0x56051b6b4f40), l)
   Call: (187) [system] l='('
   Call: (187) [system] l='['
   Call: (187) [system] l='{'
   Call: (187) [system] l='"'
   Call: (187) [system] l=!
   Call: (187) [system] l='\''
   Call: (187) [system] l='`'
   Call: (187) [system] l=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, _1706436)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1726980)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1727914)
   Exit: (189) [system] peek_char((0x56051b6b4f40), e)
^  Call: (189) [user] is_delimiter(e)
   Call: (190) [system] char_type(e, space)
   Call: (190) [system] arg(_1731706, v('(', ')', end_of_file), e)
   Call: (189) [system] ')'==e
   Call: (189) [system] get_char((0x56051b6b4f40), e)
   Exit: (189) [system] get_char((0x56051b6b4f40), e)
   Call: (189) [system] e=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1736276)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1737210)
   Exit: (190) [system] peek_char((0x56051b6b4f40), t)
^  Call: (190) [user] is_delimiter(t)
   Call: (191) [system] char_type(t, space)
   Call: (191) [system] arg(_1741002, v('(', ')', end_of_file), t)
   Call: (190) [system] ')'==t
   Call: (190) [system] get_char((0x56051b6b4f40), t)
   Exit: (190) [system] get_char((0x56051b6b4f40), t)
   Call: (190) [system] t=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1745572)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1746506)
   Exit: (191) [system] peek_char((0x56051b6b4f40), *)
^  Call: (191) [user] is_delimiter(*)
   Call: (192) [system] char_type(*, space)
   Call: (192) [system] arg(_1750298, v('(', ')', end_of_file), *)
   Call: (191) [system] ')'==(*)
   Call: (191) [system] get_char((0x56051b6b4f40), *)
   Exit: (191) [system] get_char((0x56051b6b4f40), *)
   Call: (191) [system] (*)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1754868)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1755802)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1754868=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _1745572=[*]
   Exit: (191) [system] [*]=[*]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [*])
   Call: (190) [system] _1736276=[t, *]
   Exit: (190) [system] [t, *]=[t, *]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, *])
   Call: (189) [system] _1726980=[e, t, *]
   Exit: (189) [system] [e, t, *]=[e, t, *]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, t, *])
^  Call: (188) [user] classify_and_convert_charseq(l, [e, t, *], _1706436)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1773494, _1773496), once(user:catch(read_from_chars([l, e, t, *], _1706436), _1773470, fail)), '$restore_trace'(_1773494, _1773496))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1773494, _1773496))
   Call: (189) [system] atom_chars(_3436, [l, e, t, *])
   Exit: (189) [system] atom_chars('let*', [l, e, t, *])
^  Exit: (188) [user] classify_and_convert_charseq(l, [e, t, *], 'let*')
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), l, 'let*')
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), 'let*')
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _8208)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _10066)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _16876)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _19580)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _28972)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _32686)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _34544)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _43012)
   Exit: (188) [system] get_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _32686)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _48582)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _57050)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _60764)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _62622)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _71090)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _60764)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _76660)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _85128)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _88842)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _90700)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _99168)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _88842)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _104738)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _113206)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _116920)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _118778)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _127246)
   Exit: (194) [system] get_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, _116920)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _137464)
   Call: (196) [system] peek_char((0x56051b6b4f40), _138398)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _137464=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _116920)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_147708, _147710), once(user:catch(read_from_chars([:], _116920), _147684, fail)), '$restore_trace'(_147708, _147710))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_147708, _147710))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _147684, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _155208)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _157066)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _163876)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _166580)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _175972)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _179686)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _181544)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _190012)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _179686)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _200230)
   Call: (197) [system] peek_char((0x56051b6b4f40), _201164)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_204956, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _209526)
   Call: (198) [system] peek_char((0x56051b6b4f40), _210460)
   Exit: (198) [system] peek_char((0x56051b6b4f40), u)
^  Call: (198) [user] is_delimiter(u)
   Call: (199) [system] char_type(u, space)
   Call: (199) [system] arg(_214252, v('(', ')', end_of_file), u)
   Call: (198) [system] ')'==u
   Call: (198) [system] get_char((0x56051b6b4f40), u)
   Exit: (198) [system] get_char((0x56051b6b4f40), u)
   Call: (198) [system] u=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _218822)
   Call: (199) [system] peek_char((0x56051b6b4f40), _219756)
   Exit: (199) [system] peek_char((0x56051b6b4f40), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_223548, v('(', ')', end_of_file), c)
   Call: (199) [system] ')'==c
   Call: (199) [system] get_char((0x56051b6b4f40), c)
   Exit: (199) [system] get_char((0x56051b6b4f40), c)
   Call: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _228118)
   Call: (200) [system] peek_char((0x56051b6b4f40), _229052)
   Exit: (200) [system] peek_char((0x56051b6b4f40), t)
^  Call: (200) [user] is_delimiter(t)
   Call: (201) [system] char_type(t, space)
   Call: (201) [system] arg(_232844, v('(', ')', end_of_file), t)
   Call: (200) [system] ')'==t
   Call: (200) [system] get_char((0x56051b6b4f40), t)
   Exit: (200) [system] get_char((0x56051b6b4f40), t)
   Call: (200) [system] t=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _237414)
   Call: (201) [system] peek_char((0x56051b6b4f40), _238348)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_242140, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _246710)
   Call: (202) [system] peek_char((0x56051b6b4f40), _247644)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_251436, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256006)
   Call: (203) [system] peek_char((0x56051b6b4f40), _256940)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _256006=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _246710=[r]
   Exit: (202) [system] [r]=[r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
   Call: (201) [system] _237414=[o, r]
   Exit: (201) [system] [o, r]=[o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, r])
   Call: (200) [system] _228118=[t, o, r]
   Exit: (200) [system] [t, o, r]=[t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, r])
   Call: (199) [system] _218822=[c, t, o, r]
   Exit: (199) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, o, r])
   Call: (198) [system] _209526=[u, c, t, o, r]
   Exit: (198) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, o, r])
   Call: (197) [system] _200230=[r, u, c, t, o, r]
   Exit: (197) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, u, c, t, o, r])
^  Call: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _179686)
   Call: (197) [system] atom_chars(_282988, ['_', r, u, c, t, o, r])
   Exit: (197) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _ructor)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _ructor)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _287652)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _289510)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _296320)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _299024)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _308416)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _312130)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _313988)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _322456)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _312130)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _328026)
   Exit: (198) [system] peek_char((0x56051b6b4f40), -)
   Call: (198) [system] (-)=(;)
^  Call: (198) [user] is_like_space(-)
   Call: (199) [system] char_type(-, 'white')
   Call: (199) [system] char_type(-, end_of_line)
   Call: (199) [system] char_type(-, space)
   Call: (199) [system] char_type(-, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _336494)
   Exit: (197) [system] peek_char((0x56051b6b4f40), -)
   Call: (197) [system] (-)=')'
   Call: (197) [system] (-)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _340208)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _342066)
   Exit: (199) [system] peek_char((0x56051b6b4f40), -)
   Call: (199) [system] (-)=(;)
^  Call: (199) [user] is_like_space(-)
   Call: (200) [system] char_type(-, 'white')
   Call: (200) [system] char_type(-, end_of_line)
   Call: (200) [system] char_type(-, space)
   Call: (200) [system] char_type(-, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _350534)
   Exit: (198) [system] get_char((0x56051b6b4f40), -)
   Call: (198) [system] (-)='('
   Call: (198) [system] (-)='['
   Call: (198) [system] (-)='{'
   Call: (198) [system] (-)='"'
   Call: (198) [system] (-)=!
   Call: (198) [system] (-)='\''
   Call: (198) [system] (-)='`'
   Call: (198) [system] (-)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), -, _340208)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _360752)
   Call: (200) [system] peek_char((0x56051b6b4f40), _361686)
   Exit: (200) [system] peek_char((0x56051b6b4f40), >)
^  Call: (200) [user] is_delimiter(>)
   Call: (201) [system] char_type(>, space)
   Call: (201) [system] arg(_365478, v('(', ')', end_of_file), >)
   Call: (200) [system] ')'==(>)
   Call: (200) [system] get_char((0x56051b6b4f40), >)
   Exit: (200) [system] get_char((0x56051b6b4f40), >)
   Call: (200) [system] (>)=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _370048)
   Call: (201) [system] peek_char((0x56051b6b4f40), _370982)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _370048=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _360752=[>]
   Exit: (200) [system] [>]=[>]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (199) [user] classify_and_convert_charseq(-, [>], _340208)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_383086, _383088), once(user:catch(read_from_chars([-, >], _340208), _383062, fail)), '$restore_trace'(_383086, _383088))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_383086, _383088))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _383062, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(->)
   Exit: (200) [system] atomic(->)
^  Exit: (199) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _390586)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _392444)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _399254)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _401958)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _411350)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _415064)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _416922)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _425390)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _415064)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _435608)
   Call: (201) [system] peek_char((0x56051b6b4f40), _436542)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_440334, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _444904)
   Call: (202) [system] peek_char((0x56051b6b4f40), _445838)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_449630, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454200)
   Call: (203) [system] peek_char((0x56051b6b4f40), _455134)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_458926, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _463496)
   Call: (204) [system] peek_char((0x56051b6b4f40), _464430)
   Exit: (204) [system] peek_char((0x56051b6b4f40), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_468222, v('(', ')', end_of_file), m)
   Call: (204) [system] ')'==m
   Call: (204) [system] get_char((0x56051b6b4f40), m)
   Exit: (204) [system] get_char((0x56051b6b4f40), m)
   Call: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _472792)
   Call: (205) [system] peek_char((0x56051b6b4f40), _473726)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_477518, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _482088)
   Call: (206) [system] peek_char((0x56051b6b4f40), _483022)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_486814, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _491384)
   Call: (207) [system] peek_char((0x56051b6b4f40), _492318)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_496110, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _500680)
   Call: (208) [system] peek_char((0x56051b6b4f40), _501614)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_505406, v('(', ')', end_of_file), '1')
   Call: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x56051b6b4f40), '1')
   Exit: (208) [system] get_char((0x56051b6b4f40), '1')
   Call: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _509976)
   Call: (209) [system] peek_char((0x56051b6b4f40), _510910)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _509976=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _500680=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (207) [system] _491384=[e, '1']
   Exit: (207) [system] [e, '1']=[e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (206) [system] _482088=[s, e, '1']
   Exit: (206) [system] [s, e, '1']=[s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (205) [system] _472792=[i, s, e, '1']
   Exit: (205) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (204) [system] _463496=[m, i, s, e, '1']
   Exit: (204) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (203) [system] _454200=[e, m, i, s, e, '1']
   Exit: (203) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (202) [system] _444904=[r, e, m, i, s, e, '1']
   Exit: (202) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (201) [system] _435608=[p, r, e, m, i, s, e, '1']
   Exit: (201) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _415064)
   Call: (201) [system] atom_chars(_542546, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (201) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _547210)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _549068)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _555878)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _558582)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _567974)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _571688)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _573546)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _582014)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _571688)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592232)
   Call: (202) [system] peek_char((0x56051b6b4f40), _593166)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_596958, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _601528)
   Call: (203) [system] peek_char((0x56051b6b4f40), _602462)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_606254, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _610824)
   Call: (204) [system] peek_char((0x56051b6b4f40), _611758)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_615550, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620120)
   Call: (205) [system] peek_char((0x56051b6b4f40), _621054)
   Exit: (205) [system] peek_char((0x56051b6b4f40), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_624846, v('(', ')', end_of_file), m)
   Call: (205) [system] ')'==m
   Call: (205) [system] get_char((0x56051b6b4f40), m)
   Exit: (205) [system] get_char((0x56051b6b4f40), m)
   Call: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _629416)
   Call: (206) [system] peek_char((0x56051b6b4f40), _630350)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_634142, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638712)
   Call: (207) [system] peek_char((0x56051b6b4f40), _639646)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_643438, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _648008)
   Call: (208) [system] peek_char((0x56051b6b4f40), _648942)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_652734, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657304)
   Call: (209) [system] peek_char((0x56051b6b4f40), _658238)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_662030, v('(', ')', end_of_file), '2')
   Call: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x56051b6b4f40), '2')
   Exit: (209) [system] get_char((0x56051b6b4f40), '2')
   Call: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666600)
   Call: (210) [system] peek_char((0x56051b6b4f40), _667534)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _666600=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _657304=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (208) [system] _648008=[e, '2']
   Exit: (208) [system] [e, '2']=[e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (207) [system] _638712=[s, e, '2']
   Exit: (207) [system] [s, e, '2']=[s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (206) [system] _629416=[i, s, e, '2']
   Exit: (206) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (205) [system] _620120=[m, i, s, e, '2']
   Exit: (205) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (204) [system] _610824=[e, m, i, s, e, '2']
   Exit: (204) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (203) [system] _601528=[r, e, m, i, s, e, '2']
   Exit: (203) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (202) [system] _592232=[p, r, e, m, i, s, e, '2']
   Exit: (202) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _571688)
   Call: (202) [system] atom_chars(_699170, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (202) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _703834)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _705692)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _712502)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _715206)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _724598)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _728312)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _730170)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _738638)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _728312)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _748856)
   Call: (203) [system] peek_char((0x56051b6b4f40), _749790)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_753582, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _758152)
   Call: (204) [system] peek_char((0x56051b6b4f40), _759086)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_762878, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _767448)
   Call: (205) [system] peek_char((0x56051b6b4f40), _768382)
   Exit: (205) [system] peek_char((0x56051b6b4f40), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_772174, v('(', ')', end_of_file), e)
   Call: (205) [system] ')'==e
   Call: (205) [system] get_char((0x56051b6b4f40), e)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _776744)
   Call: (206) [system] peek_char((0x56051b6b4f40), _777678)
   Exit: (206) [system] peek_char((0x56051b6b4f40), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_781470, v('(', ')', end_of_file), m)
   Call: (206) [system] ')'==m
   Call: (206) [system] get_char((0x56051b6b4f40), m)
   Exit: (206) [system] get_char((0x56051b6b4f40), m)
   Call: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _786040)
   Call: (207) [system] peek_char((0x56051b6b4f40), _786974)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_790766, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _795336)
   Call: (208) [system] peek_char((0x56051b6b4f40), _796270)
   Exit: (208) [system] peek_char((0x56051b6b4f40), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_800062, v('(', ')', end_of_file), s)
   Call: (208) [system] ')'==s
   Call: (208) [system] get_char((0x56051b6b4f40), s)
   Exit: (208) [system] get_char((0x56051b6b4f40), s)
   Call: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _804632)
   Call: (209) [system] peek_char((0x56051b6b4f40), _805566)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_809358, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _813928)
   Call: (210) [system] peek_char((0x56051b6b4f40), _814862)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_818654, v('(', ')', end_of_file), '3')
   Call: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x56051b6b4f40), '3')
   Exit: (210) [system] get_char((0x56051b6b4f40), '3')
   Call: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _823224)
   Call: (211) [system] peek_char((0x56051b6b4f40), _824158)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _823224=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _813928=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (209) [system] _804632=[e, '3']
   Exit: (209) [system] [e, '3']=[e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '3'])
   Call: (208) [system] _795336=[s, e, '3']
   Exit: (208) [system] [s, e, '3']=[s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '3'])
   Call: (207) [system] _786040=[i, s, e, '3']
   Exit: (207) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '3'])
   Call: (206) [system] _776744=[m, i, s, e, '3']
   Exit: (206) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '3'])
   Call: (205) [system] _767448=[e, m, i, s, e, '3']
   Exit: (205) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '3'])
   Call: (204) [system] _758152=[r, e, m, i, s, e, '3']
   Exit: (204) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '3'])
   Call: (203) [system] _748856=[p, r, e, m, i, s, e, '3']
   Exit: (203) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _728312)
   Call: (203) [system] atom_chars(_855794, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (203) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise3)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _premise3)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _860458)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _862316)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _869126)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _871830)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _881222)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _884936)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _886794)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _895262)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _884936)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _905480)
   Call: (204) [system] peek_char((0x56051b6b4f40), _906414)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_910206, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _914776)
   Call: (205) [system] peek_char((0x56051b6b4f40), _915710)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_919502, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _924072)
   Call: (206) [system] peek_char((0x56051b6b4f40), _925006)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_928798, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _933368)
   Call: (207) [system] peek_char((0x56051b6b4f40), _934302)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_938094, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _942664)
   Call: (208) [system] peek_char((0x56051b6b4f40), _943598)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_947390, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _951960)
   Call: (209) [system] peek_char((0x56051b6b4f40), _952894)
   Exit: (209) [system] peek_char((0x56051b6b4f40), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_956686, v('(', ')', end_of_file), s)
   Call: (209) [system] ')'==s
   Call: (209) [system] get_char((0x56051b6b4f40), s)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _961256)
   Call: (210) [system] peek_char((0x56051b6b4f40), _962190)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_965982, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _970552)
   Call: (211) [system] peek_char((0x56051b6b4f40), _971486)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_975278, v('(', ')', end_of_file), '4')
   Call: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x56051b6b4f40), '4')
   Exit: (211) [system] get_char((0x56051b6b4f40), '4')
   Call: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _979848)
   Call: (212) [system] peek_char((0x56051b6b4f40), _980782)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _979848=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _970552=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (210) [system] _961256=[e, '4']
   Exit: (210) [system] [e, '4']=[e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '4'])
   Call: (209) [system] _951960=[s, e, '4']
   Exit: (209) [system] [s, e, '4']=[s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '4'])
   Call: (208) [system] _942664=[i, s, e, '4']
   Exit: (208) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '4'])
   Call: (207) [system] _933368=[m, i, s, e, '4']
   Exit: (207) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '4'])
   Call: (206) [system] _924072=[e, m, i, s, e, '4']
   Exit: (206) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '4'])
   Call: (205) [system] _914776=[r, e, m, i, s, e, '4']
   Exit: (205) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '4'])
   Call: (204) [system] _905480=[p, r, e, m, i, s, e, '4']
   Exit: (204) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '4'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _884936)
   Call: (204) [system] atom_chars(_1012418, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (204) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise4)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _premise4)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1017082)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1018940)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1025750)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1028454)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1037846)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1041560)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1043418)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1051886)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _1041560)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1062104)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1063038)
   Exit: (205) [system] peek_char((0x56051b6b4f40), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1066830, v('(', ')', end_of_file), p)
   Call: (205) [system] ')'==p
   Call: (205) [system] get_char((0x56051b6b4f40), p)
   Exit: (205) [system] get_char((0x56051b6b4f40), p)
   Call: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1071400)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1072334)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1076126, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1080696)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1081630)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1085422, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1089992)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1090926)
   Exit: (208) [system] peek_char((0x56051b6b4f40), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1094718, v('(', ')', end_of_file), m)
   Call: (208) [system] ')'==m
   Call: (208) [system] get_char((0x56051b6b4f40), m)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1099288)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1100222)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1104014, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1108584)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1109518)
   Exit: (210) [system] peek_char((0x56051b6b4f40), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1113310, v('(', ')', end_of_file), s)
   Call: (210) [system] ')'==s
   Call: (210) [system] get_char((0x56051b6b4f40), s)
   Exit: (210) [system] get_char((0x56051b6b4f40), s)
   Call: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1117880)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1118814)
   Exit: (211) [system] peek_char((0x56051b6b4f40), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1122606, v('(', ')', end_of_file), e)
   Call: (211) [system] ')'==e
   Call: (211) [system] get_char((0x56051b6b4f40), e)
   Exit: (211) [system] get_char((0x56051b6b4f40), e)
   Call: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1127176)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1128110)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '5')
^  Call: (212) [user] is_delimiter('5')
   Call: (213) [system] char_type('5', space)
   Call: (213) [system] arg(_1131902, v('(', ')', end_of_file), '5')
   Call: (212) [system] ')'=='5'
   Call: (212) [system] get_char((0x56051b6b4f40), '5')
   Exit: (212) [system] get_char((0x56051b6b4f40), '5')
   Call: (212) [system] '5'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1136472)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1137406)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1136472=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _1127176=['5']
   Exit: (212) [system] ['5']=['5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['5'])
   Call: (211) [system] _1117880=[e, '5']
   Exit: (211) [system] [e, '5']=[e, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '5'])
   Call: (210) [system] _1108584=[s, e, '5']
   Exit: (210) [system] [s, e, '5']=[s, e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '5'])
   Call: (209) [system] _1099288=[i, s, e, '5']
   Exit: (209) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '5'])
   Call: (208) [system] _1089992=[m, i, s, e, '5']
   Exit: (208) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '5'])
   Call: (207) [system] _1080696=[e, m, i, s, e, '5']
   Exit: (207) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '5'])
   Call: (206) [system] _1071400=[r, e, m, i, s, e, '5']
   Exit: (206) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '5'])
   Call: (205) [system] _1062104=[p, r, e, m, i, s, e, '5']
   Exit: (205) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '5'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _1041560)
   Call: (205) [system] atom_chars(_1169042, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (205) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise5)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _premise5)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1173706)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1175564)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1182374)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1185078)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1194470)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1198184)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1200042)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1208510)
   Exit: (204) [system] get_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _1198184)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1218728)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1219662)
   Exit: (206) [system] peek_char((0x56051b6b4f40), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1223454, v('(', ')', end_of_file), c)
   Call: (206) [system] ')'==c
   Call: (206) [system] get_char((0x56051b6b4f40), c)
   Exit: (206) [system] get_char((0x56051b6b4f40), c)
   Call: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1228024)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1228958)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1232750, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1237320)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1238254)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1242046, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1246616)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1247550)
   Exit: (209) [system] peek_char((0x56051b6b4f40), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1251342, v('(', ')', end_of_file), c)
   Call: (209) [system] ')'==c
   Call: (209) [system] get_char((0x56051b6b4f40), c)
   Exit: (209) [system] get_char((0x56051b6b4f40), c)
   Call: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1255912)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1256846)
   Exit: (210) [system] peek_char((0x56051b6b4f40), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1260638, v('(', ')', end_of_file), l)
   Call: (210) [system] ')'==l
   Call: (210) [system] get_char((0x56051b6b4f40), l)
   Exit: (210) [system] get_char((0x56051b6b4f40), l)
   Call: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1265208)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1266142)
   Exit: (211) [system] peek_char((0x56051b6b4f40), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1269934, v('(', ')', end_of_file), u)
   Call: (211) [system] ')'==u
   Call: (211) [system] get_char((0x56051b6b4f40), u)
   Exit: (211) [system] get_char((0x56051b6b4f40), u)
   Call: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1274504)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1275438)
   Exit: (212) [system] peek_char((0x56051b6b4f40), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_1279230, v('(', ')', end_of_file), s)
   Call: (212) [system] ')'==s
   Call: (212) [system] get_char((0x56051b6b4f40), s)
   Exit: (212) [system] get_char((0x56051b6b4f40), s)
   Call: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1283800)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1284734)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1288526, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1293096)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1294030)
   Exit: (214) [system] peek_char((0x56051b6b4f40), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1297822, v('(', ')', end_of_file), o)
   Call: (214) [system] ')'==o
   Call: (214) [system] get_char((0x56051b6b4f40), o)
   Exit: (214) [system] get_char((0x56051b6b4f40), o)
   Call: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1302392)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1303326)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1307118, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1311688)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1312622)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1316414, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1311688=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1302392=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (214) [system] _1293096=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (213) [system] _1283800=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (212) [system] _1274504=[s, i, o, n]
   Exit: (212) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, o, n])
   Call: (211) [system] _1265208=[u, s, i, o, n]
   Exit: (211) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, i, o, n])
   Call: (210) [system] _1255912=[l, u, s, i, o, n]
   Exit: (210) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, u, s, i, o, n])
   Call: (209) [system] _1246616=[c, l, u, s, i, o, n]
   Exit: (209) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, l, u, s, i, o, n])
   Call: (208) [system] _1237320=[n, c, l, u, s, i, o, n]
   Exit: (208) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, l, u, s, i, o, n])
   Call: (207) [system] _1228024=[o, n, c, l, u, s, i, o, n]
   Exit: (207) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, c, l, u, s, i, o, n])
   Call: (206) [system] _1218728=[c, o, n, c, l, u, s, i, o, n]
   Exit: (206) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, o, n, c, l, u, s, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _1198184)
   Call: (206) [system] atom_chars(_1350790, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (206) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _conclusion)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _conclusion)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1355454)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1357312)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1365780)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _1369570)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _1355454=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1173706=[_conclusion]
   Exit: (203) [system] [_conclusion]=[_conclusion]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [_conclusion])
   Call: (202) [system] _1017082=[_premise5, _conclusion]
   Exit: (202) [system] [_premise5, _conclusion]=[_premise5, _conclusion]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_premise5, _conclusion])
   Call: (201) [system] _860458=[_premise4, _premise5, _conclusion]
   Exit: (201) [system] [_premise4, _premise5, _conclusion]=[_premise4, _premise5, _conclusion]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_premise4, _premise5, _conclusion])
   Call: (200) [system] _703834=[_premise3, _premise4, _premise5, _conclusion]
   Exit: (200) [system] [_premise3, _premise4, _premise5, _conclusion]=[_premise3, _premise4, _premise5, _conclusion]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_premise3, _premise4, _premise5, _conclusion])
   Call: (199) [system] _547210=[_premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (199) [system] [_premise2, _premise3, _premise4, _premise5, _conclusion]=[_premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_premise2, _premise3, _premise4, _premise5, _conclusion])
   Call: (198) [system] _390586=[_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (198) [system] [_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]=[_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
   Call: (197) [system] _312130=[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
   Exit: (197) [system] [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]=[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1394628)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1396486)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1404954)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1408744)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1394628=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _287652=[[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (195) [system] [[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
   Call: (194) [system] _155208=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (194) [system] [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
   Call: (193) [system] _88842=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
   Exit: (193) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]=[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1422626)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1424484)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1431294)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1433998)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1443390)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1447104)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1448962)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1457430)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1447104)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1463000)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1471468)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1475182)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1477040)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1485508)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _1475182)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1495726)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1496660)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1500452, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1505022)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1505956)
   Exit: (198) [system] peek_char((0x56051b6b4f40), b)
^  Call: (198) [user] is_delimiter(b)
   Call: (199) [system] char_type(b, space)
   Call: (199) [system] arg(_1509748, v('(', ')', end_of_file), b)
   Call: (198) [system] ')'==b
   Call: (198) [system] get_char((0x56051b6b4f40), b)
   Exit: (198) [system] get_char((0x56051b6b4f40), b)
   Call: (198) [system] b=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1514318)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1515252)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1519044, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1514318=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1505022=[b]
   Exit: (198) [system] [b]=[b]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (197) [system] _1495726=[r, b]
   Exit: (197) [system] [r, b]=[r, b]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (196) [user] classify_and_convert_charseq($, [r, b], _1475182)
   Call: (197) [system] atom_chars(_1531068, ['_', r, b])
   Exit: (197) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (196) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1535732)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1537590)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1546058)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _1549848)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _1535732=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _1447104=[_rb]
   Exit: (194) [system] [_rb]=[_rb]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_rb])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [_rb])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1558142)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1560000)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1568468)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _1572258)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _1558142=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _1422626=[[_rb]]
   Exit: (192) [system] [[_rb]]=[[_rb]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[_rb]])
   Call: (191) [system] _60764=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]
   Exit: (191) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]=[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1583346)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1585204)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x56051b6b4f40), _1592820)
   Exit: (191) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1595524)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1602334)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1605038)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1611848)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1614552)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1621362)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1624066)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1630876)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1633580)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1640390)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1643094)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1649904)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1652608)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1659418)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1662122)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1668932)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1671636)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1678446)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1681150)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1687960)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1690664)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1709296)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1713010)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1714868)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _1723336)
   Exit: (191) [system] get_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1713010)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1728906)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1737374)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1741088)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1742946)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1751414)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1741088)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1756984)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1765452)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1769166)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1771024)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1779492)
   Exit: (195) [system] get_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, _1769166)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1789710)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1790644)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1789710=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _1769166)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1799954, _1799956), once(user:catch(read_from_chars([:], _1769166), _1799930, fail)), '$restore_trace'(_1799954, _1799956))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1799954, _1799956))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1799930, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1807454)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1809312)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1816122)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1818826)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1828218)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1831932)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1833790)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1842258)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1831932)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1847828)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1856296)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1860010)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1861868)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1870336)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _1860010)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1880554)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1881488)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1885280, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1889850)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1890784)
   Exit: (201) [system] peek_char((0x56051b6b4f40), u)
^  Call: (201) [user] is_delimiter(u)
   Call: (202) [system] char_type(u, space)
   Call: (202) [system] arg(_1894576, v('(', ')', end_of_file), u)
   Call: (201) [system] ')'==u
   Call: (201) [system] get_char((0x56051b6b4f40), u)
   Exit: (201) [system] get_char((0x56051b6b4f40), u)
   Call: (201) [system] u=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1899146)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1900080)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1903872, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1908442)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1909376)
   Exit: (203) [system] peek_char((0x56051b6b4f40), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1913168, v('(', ')', end_of_file), t)
   Call: (203) [system] ')'==t
   Call: (203) [system] get_char((0x56051b6b4f40), t)
   Exit: (203) [system] get_char((0x56051b6b4f40), t)
   Call: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1917738)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1918672)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1922464, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1927034)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1927968)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1931760, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1936330)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1937264)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1936330=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1927034=[r]
   Exit: (205) [system] [r]=[r]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
   Call: (204) [system] _1917738=[o, r]
   Exit: (204) [system] [o, r]=[o, r]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, r])
   Call: (203) [system] _1908442=[t, o, r]
   Exit: (203) [system] [t, o, r]=[t, o, r]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, r])
   Call: (202) [system] _1899146=[c, t, o, r]
   Exit: (202) [system] [c, t, o, r]=[c, t, o, r]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, o, r])
   Call: (201) [system] _1889850=[u, c, t, o, r]
   Exit: (201) [system] [u, c, t, o, r]=[u, c, t, o, r]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, o, r])
   Call: (200) [system] _1880554=[r, u, c, t, o, r]
   Exit: (200) [system] [r, u, c, t, o, r]=[r, u, c, t, o, r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, u, c, t, o, r])
^  Call: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _1860010)
   Call: (200) [system] atom_chars(_1963312, ['_', r, u, c, t, o, r])
   Exit: (200) [system] atom_chars('_ructor', ['_', r, u, c, t, o, r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r, u, c, t, o, r], _ructor)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _ructor)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _ructor)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1967976)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1969834)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1976644)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1979348)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1988740)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1992454)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1994312)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _2002780)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1992454)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2012998)
   Call: (201) [system] peek_char((0x56051b6b4f40), _2013932)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2017724, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2022294)
   Call: (202) [system] peek_char((0x56051b6b4f40), _2023228)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2027020, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2031590)
   Call: (203) [system] peek_char((0x56051b6b4f40), _2032524)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_2036316, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2040886)
   Call: (204) [system] peek_char((0x56051b6b4f40), _2041820)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_2045612, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2050182)
   Call: (205) [system] peek_char((0x56051b6b4f40), _2051116)
   Exit: (205) [system] peek_char((0x56051b6b4f40), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_2054908, v('(', ')', end_of_file), f)
   Call: (205) [system] ')'==f
   Call: (205) [system] get_char((0x56051b6b4f40), f)
   Exit: (205) [system] get_char((0x56051b6b4f40), f)
   Call: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2059478)
   Call: (206) [system] peek_char((0x56051b6b4f40), _2060412)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (206) [user] is_delimiter('1')
   Call: (207) [system] char_type('1', space)
   Call: (207) [system] arg(_2064204, v('(', ')', end_of_file), '1')
   Call: (206) [system] ')'=='1'
   Call: (206) [system] get_char((0x56051b6b4f40), '1')
   Exit: (206) [system] get_char((0x56051b6b4f40), '1')
   Call: (206) [system] '1'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2068774)
   Call: (207) [system] peek_char((0x56051b6b4f40), _2069708)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _2068774=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _2059478=['1']
   Exit: (206) [system] ['1']=['1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (205) [system] _2050182=[f, '1']
   Exit: (205) [system] [f, '1']=[f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (204) [system] _2040886=[o, f, '1']
   Exit: (204) [system] [o, f, '1']=[o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (203) [system] _2031590=[o, o, f, '1']
   Exit: (203) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (202) [system] _2022294=[r, o, o, f, '1']
   Exit: (202) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (201) [system] _2012998=[p, r, o, o, f, '1']
   Exit: (201) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1992454)
   Call: (201) [system] atom_chars(_2095756, ['_', p, r, o, o, f, '1'])
   Exit: (201) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _7200)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _9058)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _15868)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _18572)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _27964)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _31678)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _33536)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _42004)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _31678)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _52222)
   Call: (202) [system] peek_char((0x56051b6b4f40), _53156)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_56948, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _61518)
   Call: (203) [system] peek_char((0x56051b6b4f40), _62452)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_66244, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _70814)
   Call: (204) [system] peek_char((0x56051b6b4f40), _71748)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_75540, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _80110)
   Call: (205) [system] peek_char((0x56051b6b4f40), _81044)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_84836, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _89406)
   Call: (206) [system] peek_char((0x56051b6b4f40), _90340)
   Exit: (206) [system] peek_char((0x56051b6b4f40), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_94132, v('(', ')', end_of_file), f)
   Call: (206) [system] ')'==f
   Call: (206) [system] get_char((0x56051b6b4f40), f)
   Exit: (206) [system] get_char((0x56051b6b4f40), f)
   Call: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _98702)
   Call: (207) [system] peek_char((0x56051b6b4f40), _99636)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (207) [user] is_delimiter('2')
   Call: (208) [system] char_type('2', space)
   Call: (208) [system] arg(_103428, v('(', ')', end_of_file), '2')
   Call: (207) [system] ')'=='2'
   Call: (207) [system] get_char((0x56051b6b4f40), '2')
   Exit: (207) [system] get_char((0x56051b6b4f40), '2')
   Call: (207) [system] '2'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _107998)
   Call: (208) [system] peek_char((0x56051b6b4f40), _108932)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _107998=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _98702=['2']
   Exit: (207) [system] ['2']=['2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (206) [system] _89406=[f, '2']
   Exit: (206) [system] [f, '2']=[f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (205) [system] _80110=[o, f, '2']
   Exit: (205) [system] [o, f, '2']=[o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (204) [system] _70814=[o, o, f, '2']
   Exit: (204) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (203) [system] _61518=[r, o, o, f, '2']
   Exit: (203) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (202) [system] _52222=[p, r, o, o, f, '2']
   Exit: (202) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _31678)
   Call: (202) [system] atom_chars(_134980, ['_', p, r, o, o, f, '2'])
   Exit: (202) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _139644)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _141502)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _148312)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _151016)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _160408)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _164122)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _165980)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _174448)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _164122)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _184666)
   Call: (203) [system] peek_char((0x56051b6b4f40), _185600)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_189392, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _193962)
   Call: (204) [system] peek_char((0x56051b6b4f40), _194896)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_198688, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _203258)
   Call: (205) [system] peek_char((0x56051b6b4f40), _204192)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_207984, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _212554)
   Call: (206) [system] peek_char((0x56051b6b4f40), _213488)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_217280, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _221850)
   Call: (207) [system] peek_char((0x56051b6b4f40), _222784)
   Exit: (207) [system] peek_char((0x56051b6b4f40), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_226576, v('(', ')', end_of_file), f)
   Call: (207) [system] ')'==f
   Call: (207) [system] get_char((0x56051b6b4f40), f)
   Exit: (207) [system] get_char((0x56051b6b4f40), f)
   Call: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _231146)
   Call: (208) [system] peek_char((0x56051b6b4f40), _232080)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (208) [user] is_delimiter('3')
   Call: (209) [system] char_type('3', space)
   Call: (209) [system] arg(_235872, v('(', ')', end_of_file), '3')
   Call: (208) [system] ')'=='3'
   Call: (208) [system] get_char((0x56051b6b4f40), '3')
   Exit: (208) [system] get_char((0x56051b6b4f40), '3')
   Call: (208) [system] '3'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _240442)
   Call: (209) [system] peek_char((0x56051b6b4f40), _241376)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _240442=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _231146=['3']
   Exit: (208) [system] ['3']=['3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (207) [system] _221850=[f, '3']
   Exit: (207) [system] [f, '3']=[f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '3'])
   Call: (206) [system] _212554=[o, f, '3']
   Exit: (206) [system] [o, f, '3']=[o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '3'])
   Call: (205) [system] _203258=[o, o, f, '3']
   Exit: (205) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '3'])
   Call: (204) [system] _193962=[r, o, o, f, '3']
   Exit: (204) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '3'])
   Call: (203) [system] _184666=[p, r, o, o, f, '3']
   Exit: (203) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '3'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _164122)
   Call: (203) [system] atom_chars(_267424, ['_', p, r, o, o, f, '3'])
   Exit: (203) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof3)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _proof3)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _272088)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _273946)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _280756)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _283460)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _292852)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _296566)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _298424)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _306892)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _296566)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _317110)
   Call: (204) [system] peek_char((0x56051b6b4f40), _318044)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_321836, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _326406)
   Call: (205) [system] peek_char((0x56051b6b4f40), _327340)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_331132, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _335702)
   Call: (206) [system] peek_char((0x56051b6b4f40), _336636)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_340428, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _344998)
   Call: (207) [system] peek_char((0x56051b6b4f40), _345932)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_349724, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _354294)
   Call: (208) [system] peek_char((0x56051b6b4f40), _355228)
   Exit: (208) [system] peek_char((0x56051b6b4f40), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_359020, v('(', ')', end_of_file), f)
   Call: (208) [system] ')'==f
   Call: (208) [system] get_char((0x56051b6b4f40), f)
   Exit: (208) [system] get_char((0x56051b6b4f40), f)
   Call: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _363590)
   Call: (209) [system] peek_char((0x56051b6b4f40), _364524)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (209) [user] is_delimiter('4')
   Call: (210) [system] char_type('4', space)
   Call: (210) [system] arg(_368316, v('(', ')', end_of_file), '4')
   Call: (209) [system] ')'=='4'
   Call: (209) [system] get_char((0x56051b6b4f40), '4')
   Exit: (209) [system] get_char((0x56051b6b4f40), '4')
   Call: (209) [system] '4'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _372886)
   Call: (210) [system] peek_char((0x56051b6b4f40), _373820)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _372886=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _363590=['4']
   Exit: (209) [system] ['4']=['4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (208) [system] _354294=[f, '4']
   Exit: (208) [system] [f, '4']=[f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '4'])
   Call: (207) [system] _344998=[o, f, '4']
   Exit: (207) [system] [o, f, '4']=[o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '4'])
   Call: (206) [system] _335702=[o, o, f, '4']
   Exit: (206) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '4'])
   Call: (205) [system] _326406=[r, o, o, f, '4']
   Exit: (205) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '4'])
   Call: (204) [system] _317110=[p, r, o, o, f, '4']
   Exit: (204) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '4'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _296566)
   Call: (204) [system] atom_chars(_399868, ['_', p, r, o, o, f, '4'])
   Exit: (204) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof4)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _proof4)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _404532)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _406390)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _413200)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _415904)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _425296)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _429010)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _430868)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _439336)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _429010)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _449554)
   Call: (205) [system] peek_char((0x56051b6b4f40), _450488)
   Exit: (205) [system] peek_char((0x56051b6b4f40), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_454280, v('(', ')', end_of_file), p)
   Call: (205) [system] ')'==p
   Call: (205) [system] get_char((0x56051b6b4f40), p)
   Exit: (205) [system] get_char((0x56051b6b4f40), p)
   Call: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _458850)
   Call: (206) [system] peek_char((0x56051b6b4f40), _459784)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_463576, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _468146)
   Call: (207) [system] peek_char((0x56051b6b4f40), _469080)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_472872, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _477442)
   Call: (208) [system] peek_char((0x56051b6b4f40), _478376)
   Exit: (208) [system] peek_char((0x56051b6b4f40), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_482168, v('(', ')', end_of_file), o)
   Call: (208) [system] ')'==o
   Call: (208) [system] get_char((0x56051b6b4f40), o)
   Exit: (208) [system] get_char((0x56051b6b4f40), o)
   Call: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _486738)
   Call: (209) [system] peek_char((0x56051b6b4f40), _487672)
   Exit: (209) [system] peek_char((0x56051b6b4f40), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_491464, v('(', ')', end_of_file), f)
   Call: (209) [system] ')'==f
   Call: (209) [system] get_char((0x56051b6b4f40), f)
   Exit: (209) [system] get_char((0x56051b6b4f40), f)
   Call: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _496034)
   Call: (210) [system] peek_char((0x56051b6b4f40), _496968)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '5')
^  Call: (210) [user] is_delimiter('5')
   Call: (211) [system] char_type('5', space)
   Call: (211) [system] arg(_500760, v('(', ')', end_of_file), '5')
   Call: (210) [system] ')'=='5'
   Call: (210) [system] get_char((0x56051b6b4f40), '5')
   Exit: (210) [system] get_char((0x56051b6b4f40), '5')
   Call: (210) [system] '5'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _505330)
   Call: (211) [system] peek_char((0x56051b6b4f40), _506264)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_510056, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _505330=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _496034=['5']
   Exit: (210) [system] ['5']=['5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['5'])
   Call: (209) [system] _486738=[f, '5']
   Exit: (209) [system] [f, '5']=[f, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '5'])
   Call: (208) [system] _477442=[o, f, '5']
   Exit: (208) [system] [o, f, '5']=[o, f, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '5'])
   Call: (207) [system] _468146=[o, o, f, '5']
   Exit: (207) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '5'])
   Call: (206) [system] _458850=[r, o, o, f, '5']
   Exit: (206) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '5'])
   Call: (205) [system] _449554=[p, r, o, o, f, '5']
   Exit: (205) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '5'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _429010)
   Call: (205) [system] atom_chars(_533256, ['_', p, r, o, o, f, '5'])
   Exit: (205) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _proof5)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof5)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _proof5)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _537920)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _539778)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _548246)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _552036)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _537920=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _404532=[_proof5]
   Exit: (202) [system] [_proof5]=[_proof5]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_proof5])
   Call: (201) [system] _272088=[_proof4, _proof5]
   Exit: (201) [system] [_proof4, _proof5]=[_proof4, _proof5]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_proof4, _proof5])
   Call: (200) [system] _139644=[_proof3, _proof4, _proof5]
   Exit: (200) [system] [_proof3, _proof4, _proof5]=[_proof3, _proof4, _proof5]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_proof3, _proof4, _proof5])
   Call: (199) [system] _7200=[_proof2, _proof3, _proof4, _proof5]
   Exit: (199) [system] [_proof2, _proof3, _proof4, _proof5]=[_proof2, _proof3, _proof4, _proof5]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_proof2, _proof3, _proof4, _proof5])
   Call: (198) [system] _3594=[_proof1, _proof2, _proof3, _proof4, _proof5]
   Exit: (198) [system] [_proof1, _proof2, _proof3, _proof4, _proof5]=[_proof1, _proof2, _proof3, _proof4, _proof5]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_proof1, _proof2, _proof3, _proof4, _proof5])
   Call: (197) [system] _3582=[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]
   Exit: (197) [system] [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]=[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _574300)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _576158)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _582968)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _585672)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _595064)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _598778)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _600636)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _609104)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _598778)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _619322)
   Call: (199) [system] peek_char((0x56051b6b4f40), _620256)
   Exit: (199) [system] peek_char((0x56051b6b4f40), c)
^  Call: (199) [user] is_delimiter(c)
   Call: (200) [system] char_type(c, space)
   Call: (200) [system] arg(_624048, v('(', ')', end_of_file), c)
   Call: (199) [system] ')'==c
   Call: (199) [system] get_char((0x56051b6b4f40), c)
   Exit: (199) [system] get_char((0x56051b6b4f40), c)
   Call: (199) [system] c=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _628618)
   Call: (200) [system] peek_char((0x56051b6b4f40), _629552)
   Exit: (200) [system] peek_char((0x56051b6b4f40), o)
^  Call: (200) [user] is_delimiter(o)
   Call: (201) [system] char_type(o, space)
   Call: (201) [system] arg(_633344, v('(', ')', end_of_file), o)
   Call: (200) [system] ')'==o
   Call: (200) [system] get_char((0x56051b6b4f40), o)
   Exit: (200) [system] get_char((0x56051b6b4f40), o)
   Call: (200) [system] o=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _637914)
   Call: (201) [system] peek_char((0x56051b6b4f40), _638848)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_642640, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _647210)
   Call: (202) [system] peek_char((0x56051b6b4f40), _648144)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_651936, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _656506)
   Call: (203) [system] peek_char((0x56051b6b4f40), _657440)
   Exit: (203) [system] peek_char((0x56051b6b4f40), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_661232, v('(', ')', end_of_file), l)
   Call: (203) [system] ')'==l
   Call: (203) [system] get_char((0x56051b6b4f40), l)
   Exit: (203) [system] get_char((0x56051b6b4f40), l)
   Call: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _665802)
   Call: (204) [system] peek_char((0x56051b6b4f40), _666736)
   Exit: (204) [system] peek_char((0x56051b6b4f40), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_670528, v('(', ')', end_of_file), u)
   Call: (204) [system] ')'==u
   Call: (204) [system] get_char((0x56051b6b4f40), u)
   Exit: (204) [system] get_char((0x56051b6b4f40), u)
   Call: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _675098)
   Call: (205) [system] peek_char((0x56051b6b4f40), _676032)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_679824, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _684394)
   Call: (206) [system] peek_char((0x56051b6b4f40), _685328)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_689120, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _693690)
   Call: (207) [system] peek_char((0x56051b6b4f40), _694624)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_698416, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _702986)
   Call: (208) [system] peek_char((0x56051b6b4f40), _703920)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_707712, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _712282)
   Call: (209) [system] peek_char((0x56051b6b4f40), _713216)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_717008, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _712282=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _702986=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (207) [system] _693690=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (206) [system] _684394=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (205) [system] _675098=[s, i, o, n]
   Exit: (205) [system] [s, i, o, n]=[s, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, o, n])
   Call: (204) [system] _665802=[u, s, i, o, n]
   Exit: (204) [system] [u, s, i, o, n]=[u, s, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, i, o, n])
   Call: (203) [system] _656506=[l, u, s, i, o, n]
   Exit: (203) [system] [l, u, s, i, o, n]=[l, u, s, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, u, s, i, o, n])
   Call: (202) [system] _647210=[c, l, u, s, i, o, n]
   Exit: (202) [system] [c, l, u, s, i, o, n]=[c, l, u, s, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, l, u, s, i, o, n])
   Call: (201) [system] _637914=[n, c, l, u, s, i, o, n]
   Exit: (201) [system] [n, c, l, u, s, i, o, n]=[n, c, l, u, s, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, l, u, s, i, o, n])
   Call: (200) [system] _628618=[o, n, c, l, u, s, i, o, n]
   Exit: (200) [system] [o, n, c, l, u, s, i, o, n]=[o, n, c, l, u, s, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, c, l, u, s, i, o, n])
   Call: (199) [system] _619322=[c, o, n, c, l, u, s, i, o, n]
   Exit: (199) [system] [c, o, n, c, l, u, s, i, o, n]=[c, o, n, c, l, u, s, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, o, n, c, l, u, s, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _598778)
   Call: (199) [system] atom_chars(_751384, ['_', c, o, n, c, l, u, s, i, o, n])
   Exit: (199) [system] atom_chars('_conclusion', ['_', c, o, n, c, l, u, s, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq($, [c, o, n, c, l, u, s, i, o, n], _conclusion)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _conclusion)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _conclusion)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _756048)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _757906)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _766374)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _770164)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _756048=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _574300=[_conclusion]
   Exit: (196) [system] [_conclusion]=[_conclusion]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_conclusion])
   Call: (195) [system] _3578=[[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
   Exit: (195) [system] [[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]=[[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
   Call: (194) [system] _3570=[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
   Exit: (194) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]=[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _784046)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _785904)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _792714)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _795418)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _804810)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _808524)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _810382)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _818850)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _808524)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _829068)
   Call: (196) [system] peek_char((0x56051b6b4f40), _830002)
   Exit: (196) [system] peek_char((0x56051b6b4f40), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_833794, v('(', ')', end_of_file), q)
   Call: (196) [system] ')'==q
   Call: (196) [system] get_char((0x56051b6b4f40), q)
   Exit: (196) [system] get_char((0x56051b6b4f40), q)
   Call: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _838364)
   Call: (197) [system] peek_char((0x56051b6b4f40), _839298)
   Exit: (197) [system] peek_char((0x56051b6b4f40), u)
^  Call: (197) [user] is_delimiter(u)
   Call: (198) [system] char_type(u, space)
   Call: (198) [system] arg(_843090, v('(', ')', end_of_file), u)
   Call: (197) [system] ')'==u
   Call: (197) [system] get_char((0x56051b6b4f40), u)
   Exit: (197) [system] get_char((0x56051b6b4f40), u)
   Call: (197) [system] u=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _847660)
   Call: (198) [system] peek_char((0x56051b6b4f40), _848594)
   Exit: (198) [system] peek_char((0x56051b6b4f40), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_852386, v('(', ')', end_of_file), e)
   Call: (198) [system] ')'==e
   Call: (198) [system] get_char((0x56051b6b4f40), e)
   Exit: (198) [system] get_char((0x56051b6b4f40), e)
   Call: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _856956)
   Call: (199) [system] peek_char((0x56051b6b4f40), _857890)
   Exit: (199) [system] peek_char((0x56051b6b4f40), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_861682, v('(', ')', end_of_file), r)
   Call: (199) [system] ')'==r
   Call: (199) [system] get_char((0x56051b6b4f40), r)
   Exit: (199) [system] get_char((0x56051b6b4f40), r)
   Call: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _866252)
   Call: (200) [system] peek_char((0x56051b6b4f40), _867186)
   Exit: (200) [system] peek_char((0x56051b6b4f40), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_870978, v('(', ')', end_of_file), y)
   Call: (200) [system] ')'==y
   Call: (200) [system] get_char((0x56051b6b4f40), y)
   Exit: (200) [system] get_char((0x56051b6b4f40), y)
   Call: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _875548)
   Call: (201) [system] peek_char((0x56051b6b4f40), _876482)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_880274, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _875548=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _866252=[y]
   Exit: (200) [system] [y]=[y]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (199) [system] _856956=[r, y]
   Exit: (199) [system] [r, y]=[r, y]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (198) [system] _847660=[e, r, y]
   Exit: (198) [system] [e, r, y]=[e, r, y]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (197) [system] _838364=[u, e, r, y]
   Exit: (197) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (196) [system] _829068=[q, u, e, r, y]
   Exit: (196) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _808524)
   Call: (196) [system] atom_chars(_900680, ['_', q, u, e, r, y])
   Exit: (196) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (195) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _905344)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _907202)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _915670)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _919460)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _905344=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _784046=[_query]
   Exit: (193) [system] [_query]=[_query]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (192) [system] _3564=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]
   Exit: (192) [system] [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]=[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query])
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query])
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _930548)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _932406)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x56051b6b4f40), _940022)
   Exit: (192) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _942726)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _949536)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _952240)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _959050)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _961754)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _968564)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _971268)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _978078)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _980782)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _987592)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _990296)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _997106)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _999810)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1006620)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1009324)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1016134)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1018838)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1025648)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1028352)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1035162)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1037866)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1056498)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1060212)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1062070)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1070538)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1060212)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1076108)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1084576)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1088290)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1090148)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1098616)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1088290)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1104186)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1112654)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1116368)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1118226)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1126694)
   Exit: (196) [system] get_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, _1116368)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1136912)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1137846)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1136912=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _1116368)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1147156, _1147158), once(user:catch(read_from_chars([:], _1116368), _1147132, fail)), '$restore_trace'(_1147156, _1147158))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1147156, _1147158))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1147132, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1154656)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1156514)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1163324)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1166028)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1175420)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1179134)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1180992)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1189460)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _1179134)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1199678)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1200612)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1204404, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1208974)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1209908)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1213700, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1218270)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1219204)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_1222996, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1227566)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1228500)
   Exit: (202) [system] peek_char((0x56051b6b4f40), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_1232292, v('(', ')', end_of_file), o)
   Call: (202) [system] ')'==o
   Call: (202) [system] get_char((0x56051b6b4f40), o)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1236862)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1237796)
   Exit: (203) [system] peek_char((0x56051b6b4f40), f)
^  Call: (203) [user] is_delimiter(f)
   Call: (204) [system] char_type(f, space)
   Call: (204) [system] arg(_1241588, v('(', ')', end_of_file), f)
   Call: (203) [system] ')'==f
   Call: (203) [system] get_char((0x56051b6b4f40), f)
   Exit: (203) [system] get_char((0x56051b6b4f40), f)
   Call: (203) [system] f=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1246158)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1247092)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (204) [user] is_delimiter('1')
   Call: (205) [system] char_type('1', space)
   Call: (205) [system] arg(_1250884, v('(', ')', end_of_file), '1')
   Call: (204) [system] ')'=='1'
   Call: (204) [system] get_char((0x56051b6b4f40), '1')
   Exit: (204) [system] get_char((0x56051b6b4f40), '1')
   Call: (204) [system] '1'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1255454)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1256388)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1255454=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1246158=['1']
   Exit: (204) [system] ['1']=['1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (203) [system] _1236862=[f, '1']
   Exit: (203) [system] [f, '1']=[f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (202) [system] _1227566=[o, f, '1']
   Exit: (202) [system] [o, f, '1']=[o, f, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (201) [system] _1218270=[o, o, f, '1']
   Exit: (201) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (200) [system] _1208974=[r, o, o, f, '1']
   Exit: (200) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (199) [system] _1199678=[p, r, o, o, f, '1']
   Exit: (199) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1179134)
   Call: (199) [system] atom_chars(_1282436, ['_', p, r, o, o, f, '1'])
   Exit: (199) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (198) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1287100)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1288958)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1295768)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1298472)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1307864)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1311578)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1313436)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1321904)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _1311578)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1332122)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1333056)
   Exit: (200) [system] peek_char((0x56051b6b4f40), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1336848, v('(', ')', end_of_file), p)
   Call: (200) [system] ')'==p
   Call: (200) [system] get_char((0x56051b6b4f40), p)
   Exit: (200) [system] get_char((0x56051b6b4f40), p)
   Call: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1341418)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1342352)
   Exit: (201) [system] peek_char((0x56051b6b4f40), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_1346144, v('(', ')', end_of_file), r)
   Call: (201) [system] ')'==r
   Call: (201) [system] get_char((0x56051b6b4f40), r)
   Exit: (201) [system] get_char((0x56051b6b4f40), r)
   Call: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1350714)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1351648)
   Exit: (202) [system] peek_char((0x56051b6b4f40), e)
^  Call: (202) [user] is_delimiter(e)
   Call: (203) [system] char_type(e, space)
   Call: (203) [system] arg(_1355440, v('(', ')', end_of_file), e)
   Call: (202) [system] ')'==e
   Call: (202) [system] get_char((0x56051b6b4f40), e)
   Exit: (202) [system] get_char((0x56051b6b4f40), e)
   Call: (202) [system] e=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1360010)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1360944)
   Exit: (203) [system] peek_char((0x56051b6b4f40), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1364736, v('(', ')', end_of_file), m)
   Call: (203) [system] ')'==m
   Call: (203) [system] get_char((0x56051b6b4f40), m)
   Exit: (203) [system] get_char((0x56051b6b4f40), m)
   Call: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1369306)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1370240)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1374032, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1378602)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1379536)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_1383328, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1387898)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1388832)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1392624, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1397194)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1398128)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (207) [user] is_delimiter('1')
   Call: (208) [system] char_type('1', space)
   Call: (208) [system] arg(_1401920, v('(', ')', end_of_file), '1')
   Call: (207) [system] ')'=='1'
   Call: (207) [system] get_char((0x56051b6b4f40), '1')
   Exit: (207) [system] get_char((0x56051b6b4f40), '1')
   Call: (207) [system] '1'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1406490)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1407424)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1411216, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1406490=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1397194=['1']
   Exit: (207) [system] ['1']=['1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (206) [system] _1387898=[e, '1']
   Exit: (206) [system] [e, '1']=[e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (205) [system] _1378602=[s, e, '1']
   Exit: (205) [system] [s, e, '1']=[s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (204) [system] _1369306=[i, s, e, '1']
   Exit: (204) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (203) [system] _1360010=[m, i, s, e, '1']
   Exit: (203) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (202) [system] _1350714=[e, m, i, s, e, '1']
   Exit: (202) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (201) [system] _1341418=[r, e, m, i, s, e, '1']
   Exit: (201) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (200) [system] _1332122=[p, r, e, m, i, s, e, '1']
   Exit: (200) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _1311578)
   Call: (200) [system] atom_chars(_1440004, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (200) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1444668)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1446526)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1454994)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _1458784)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _1444668=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _1287100=[_premise1]
   Exit: (197) [system] [_premise1]=[_premise1]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_premise1])
   Call: (196) [system] _1154656=[_proof1, _premise1]
   Exit: (196) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_proof1, _premise1])
   Call: (195) [system] _1088290=[:, _proof1, _premise1]
   Exit: (195) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1472666)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1474524)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1481334)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1484038)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1493430)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1497144)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1499002)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1507470)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1497144)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1513040)
   Exit: (197) [system] peek_char((0x56051b6b4f40), s)
   Call: (197) [system] s=(;)
^  Call: (197) [user] is_like_space(s)
   Call: (198) [system] char_type(s, 'white')
   Call: (198) [system] char_type(s, end_of_line)
   Call: (198) [system] char_type(s, space)
   Call: (198) [system] char_type(s, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1521508)
   Exit: (196) [system] peek_char((0x56051b6b4f40), s)
   Call: (196) [system] s=')'
   Call: (196) [system] s=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1525222)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1527080)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1535548)
   Exit: (197) [system] get_char((0x56051b6b4f40), s)
   Call: (197) [system] s='('
   Call: (197) [system] s='['
   Call: (197) [system] s='{'
   Call: (197) [system] s='"'
   Call: (197) [system] s=!
   Call: (197) [system] s='\''
   Call: (197) [system] s='`'
   Call: (197) [system] s=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), s, _1525222)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1545766)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1546700)
   Exit: (199) [system] peek_char((0x56051b6b4f40), y)
^  Call: (199) [user] is_delimiter(y)
   Call: (200) [system] char_type(y, space)
   Call: (200) [system] arg(_1550492, v('(', ')', end_of_file), y)
   Call: (199) [system] ')'==y
   Call: (199) [system] get_char((0x56051b6b4f40), y)
   Exit: (199) [system] get_char((0x56051b6b4f40), y)
   Call: (199) [system] y=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1555062)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1555996)
   Exit: (200) [system] peek_char((0x56051b6b4f40), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_1559788, v('(', ')', end_of_file), n)
   Call: (200) [system] ')'==n
   Call: (200) [system] get_char((0x56051b6b4f40), n)
   Exit: (200) [system] get_char((0x56051b6b4f40), n)
   Call: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1564358)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1565292)
   Exit: (201) [system] peek_char((0x56051b6b4f40), t)
^  Call: (201) [user] is_delimiter(t)
   Call: (202) [system] char_type(t, space)
   Call: (202) [system] arg(_1569084, v('(', ')', end_of_file), t)
   Call: (201) [system] ')'==t
   Call: (201) [system] get_char((0x56051b6b4f40), t)
   Exit: (201) [system] get_char((0x56051b6b4f40), t)
   Call: (201) [system] t=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1573654)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1574588)
   Exit: (202) [system] peek_char((0x56051b6b4f40), h)
^  Call: (202) [user] is_delimiter(h)
   Call: (203) [system] char_type(h, space)
   Call: (203) [system] arg(_1578380, v('(', ')', end_of_file), h)
   Call: (202) [system] ')'==h
   Call: (202) [system] get_char((0x56051b6b4f40), h)
   Exit: (202) [system] get_char((0x56051b6b4f40), h)
   Call: (202) [system] h=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1582950)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1583884)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_1587676, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1592246)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1593180)
   Exit: (204) [system] peek_char((0x56051b6b4f40), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_1596972, v('(', ')', end_of_file), s)
   Call: (204) [system] ')'==s
   Call: (204) [system] get_char((0x56051b6b4f40), s)
   Exit: (204) [system] get_char((0x56051b6b4f40), s)
   Call: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1601542)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1602476)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1606268, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1610838)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1611772)
   Exit: (206) [system] peek_char((0x56051b6b4f40), z)
^  Call: (206) [user] is_delimiter(z)
   Call: (207) [system] char_type(z, space)
   Call: (207) [system] arg(_1615564, v('(', ')', end_of_file), z)
   Call: (206) [system] ')'==z
   Call: (206) [system] get_char((0x56051b6b4f40), z)
   Exit: (206) [system] get_char((0x56051b6b4f40), z)
   Call: (206) [system] z=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1620134)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1621068)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1624860, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1629430)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1630364)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1629430=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1620134=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (206) [system] _1610838=[z, e]
   Exit: (206) [system] [z, e]=[z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (205) [system] _1601542=[i, z, e]
   Exit: (205) [system] [i, z, e]=[i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (204) [system] _1592246=[s, i, z, e]
   Exit: (204) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (203) [system] _1582950=[e, s, i, z, e]
   Exit: (203) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (202) [system] _1573654=[h, e, s, i, z, e]
   Exit: (202) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (201) [system] _1564358=[t, h, e, s, i, z, e]
   Exit: (201) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (200) [system] _1555062=[n, t, h, e, s, i, z, e]
   Exit: (200) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (199) [system] _1545766=[y, n, t, h, e, s, i, z, e]
   Exit: (199) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1525222)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1664820, _1664822), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1525222), _1664796, fail)), '$restore_trace'(_1664820, _1664822))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1664820, _1664822))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1664796, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(synthesize)
   Exit: (199) [system] atomic(synthesize)
^  Exit: (198) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1672320)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1674178)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1680988)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1683692)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1693084)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1696798)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1698656)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1707124)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1696798)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1712694)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1721162)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1724876)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1726734)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1735202)
   Exit: (200) [system] get_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, _1724876)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1745420)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1746354)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1745420=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _1724876)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1755664, _1755666), once(user:catch(read_from_chars([:], _1724876), _1755640, fail)), '$restore_trace'(_1755664, _1755666))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1755664, _1755666))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1755640, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1763164)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1765022)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1771832)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1774536)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1783928)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1787642)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1789500)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1797968)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1787642)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1808186)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1809120)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1812912, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1817482)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1818416)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1822208, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1826778)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1827712)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1831504, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1836074)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1837008)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1840800, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1845370)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1846304)
   Exit: (207) [system] peek_char((0x56051b6b4f40), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_1850096, v('(', ')', end_of_file), f)
   Call: (207) [system] ')'==f
   Call: (207) [system] get_char((0x56051b6b4f40), f)
   Exit: (207) [system] get_char((0x56051b6b4f40), f)
   Call: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1854666)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1855600)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (208) [user] is_delimiter('1')
   Call: (209) [system] char_type('1', space)
   Call: (209) [system] arg(_1859392, v('(', ')', end_of_file), '1')
   Call: (208) [system] ')'=='1'
   Call: (208) [system] get_char((0x56051b6b4f40), '1')
   Exit: (208) [system] get_char((0x56051b6b4f40), '1')
   Call: (208) [system] '1'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1863962)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1864896)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1863962=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1854666=['1']
   Exit: (208) [system] ['1']=['1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (207) [system] _1845370=[f, '1']
   Exit: (207) [system] [f, '1']=[f, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '1'])
   Call: (206) [system] _1836074=[o, f, '1']
   Exit: (206) [system] [o, f, '1']=[o, f, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '1'])
   Call: (205) [system] _1826778=[o, o, f, '1']
   Exit: (205) [system] [o, o, f, '1']=[o, o, f, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '1'])
   Call: (204) [system] _1817482=[r, o, o, f, '1']
   Exit: (204) [system] [r, o, o, f, '1']=[r, o, o, f, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '1'])
   Call: (203) [system] _1808186=[p, r, o, o, f, '1']
   Exit: (203) [system] [p, r, o, o, f, '1']=[p, r, o, o, f, '1']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '1'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _1787642)
   Call: (203) [system] atom_chars(_1890944, ['_', p, r, o, o, f, '1'])
   Exit: (203) [system] atom_chars('_proof1', ['_', p, r, o, o, f, '1'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '1'], _proof1)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof1)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _proof1)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1895608)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1897466)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1904276)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1906980)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1916372)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1920086)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1921944)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1930412)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _1920086)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1940630)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1941564)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1945356, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1949926)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1950860)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1954652, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959222)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1960156)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1963948, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1968518)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1969452)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1973244, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1977814)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1978748)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1982540, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1987110)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1988044)
   Exit: (209) [system] peek_char((0x56051b6b4f40), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1991836, v('(', ')', end_of_file), s)
   Call: (209) [system] ')'==s
   Call: (209) [system] get_char((0x56051b6b4f40), s)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1996406)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1997340)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_2001132, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2005702)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2006636)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '1')
^  Call: (211) [user] is_delimiter('1')
   Call: (212) [system] char_type('1', space)
   Call: (212) [system] arg(_2010428, v('(', ')', end_of_file), '1')
   Call: (211) [system] ')'=='1'
   Call: (211) [system] get_char((0x56051b6b4f40), '1')
   Exit: (211) [system] get_char((0x56051b6b4f40), '1')
   Call: (211) [system] '1'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2014998)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2015932)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_2019724, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _2014998=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _2005702=['1']
   Exit: (211) [system] ['1']=['1']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['1'])
   Call: (210) [system] _1996406=[e, '1']
   Exit: (210) [system] [e, '1']=[e, '1']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '1'])
   Call: (209) [system] _1987110=[s, e, '1']
   Exit: (209) [system] [s, e, '1']=[s, e, '1']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '1'])
   Call: (208) [system] _1977814=[i, s, e, '1']
   Exit: (208) [system] [i, s, e, '1']=[i, s, e, '1']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '1'])
   Call: (207) [system] _1968518=[m, i, s, e, '1']
   Exit: (207) [system] [m, i, s, e, '1']=[m, i, s, e, '1']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '1'])
   Call: (206) [system] _1959222=[e, m, i, s, e, '1']
   Exit: (206) [system] [e, m, i, s, e, '1']=[e, m, i, s, e, '1']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '1'])
   Call: (205) [system] _1949926=[r, e, m, i, s, e, '1']
   Exit: (205) [system] [r, e, m, i, s, e, '1']=[r, e, m, i, s, e, '1']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '1'])
   Call: (204) [system] _1940630=[p, r, e, m, i, s, e, '1']
   Exit: (204) [system] [p, r, e, m, i, s, e, '1']=[p, r, e, m, i, s, e, '1']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '1'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _1920086)
   Call: (204) [system] atom_chars(_2048512, ['_', p, r, e, m, i, s, e, '1'])
   Exit: (204) [system] atom_chars('_premise1', ['_', p, r, e, m, i, s, e, '1'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '1'], _premise1)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise1)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _premise1)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _2053176)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _2055034)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _2063502)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _2067292)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _2053176=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _1895608=[_premise1]
   Exit: (201) [system] [_premise1]=[_premise1]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_premise1])
   Call: (200) [system] _1763164=[_proof1, _premise1]
   Exit: (200) [system] [_proof1, _premise1]=[_proof1, _premise1]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_proof1, _premise1])
   Call: (199) [system] _1696798=[:, _proof1, _premise1]
   Exit: (199) [system] [:, _proof1, _premise1]=[:, _proof1, _premise1]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof1, _premise1])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _2081174)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2083032)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _2089842)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _2092546)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _8898)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _12612)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _14470)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _22938)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _12612)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _33156)
   Call: (201) [system] peek_char((0x56051b6b4f40), _34090)
   Exit: (201) [system] peek_char((0x56051b6b4f40), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_37882, v('(', ')', end_of_file), k)
   Call: (201) [system] ')'==k
   Call: (201) [system] get_char((0x56051b6b4f40), k)
   Exit: (201) [system] get_char((0x56051b6b4f40), k)
   Call: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _42452)
   Call: (202) [system] peek_char((0x56051b6b4f40), _43386)
   Exit: (202) [system] peek_char((0x56051b6b4f40), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_47178, v('(', ')', end_of_file), b)
   Call: (202) [system] ')'==b
   Call: (202) [system] get_char((0x56051b6b4f40), b)
   Exit: (202) [system] get_char((0x56051b6b4f40), b)
   Call: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _51748)
   Call: (203) [system] peek_char((0x56051b6b4f40), _52682)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _51748=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _42452=[b]
   Exit: (202) [system] [b]=[b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (201) [system] _33156=[k, b]
   Exit: (201) [system] [k, b]=[k, b]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (200) [user] classify_and_convert_charseq($, [k, b], _12612)
   Call: (201) [system] atom_chars(_67554, ['_', k, b])
   Exit: (201) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (200) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _72218)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _74076)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _80886)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _83590)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _92982)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _96696)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _98554)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _107022)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _96696)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _117240)
   Call: (202) [system] peek_char((0x56051b6b4f40), _118174)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_121966, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _126536)
   Call: (203) [system] peek_char((0x56051b6b4f40), _127470)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_131262, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _135832)
   Call: (204) [system] peek_char((0x56051b6b4f40), _136766)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _135832=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _126536=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (202) [system] _117240=[r, b]
   Exit: (202) [system] [r, b]=[r, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (201) [user] classify_and_convert_charseq($, [r, b], _96696)
   Call: (202) [system] atom_chars(_151638, ['_', r, b])
   Exit: (202) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _156302)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _158160)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _164970)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _167674)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _177066)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _180780)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _182638)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _191106)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _180780)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _201324)
   Call: (203) [system] peek_char((0x56051b6b4f40), _202258)
   Exit: (203) [system] peek_char((0x56051b6b4f40), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_206050, v('(', ')', end_of_file), k)
   Call: (203) [system] ')'==k
   Call: (203) [system] get_char((0x56051b6b4f40), k)
   Exit: (203) [system] get_char((0x56051b6b4f40), k)
   Call: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _210620)
   Call: (204) [system] peek_char((0x56051b6b4f40), _211554)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_215346, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _210620=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _201324=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (202) [user] classify_and_convert_charseq($, [k], _180780)
   Call: (203) [system] atom_chars(_224576, ['_', k])
   Exit: (203) [system] atom_chars('_k', ['_', k])
^  Exit: (202) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _229240)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _231098)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _239566)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _243356)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _229240=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _156302=[_k]
   Exit: (200) [system] [_k]=[_k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (199) [system] _72218=[_rb, _k]
   Exit: (199) [system] [_rb, _k]=[_rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (198) [system] _3746=[_kb, _rb, _k]
   Exit: (198) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (197) [system] _3714=[[:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (197) [system] [[:, _proof1, _premise1], _kb, _rb, _k]=[[:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [[:, _proof1, _premise1], _kb, _rb, _k])
   Call: (196) [system] _3706=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
   Exit: (196) [system] [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]=[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _262826)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _264684)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _273152)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _276942)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _262826=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _3702=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (194) [system] [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (193) [system] _3668=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
   Exit: (193) [system] [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]=[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _288030)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _289888)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x56051b6b4f40), _297504)
   Exit: (193) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _300208)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _307018)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _309722)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _316532)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _319236)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _326046)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _328750)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _335560)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _338264)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _345074)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _347778)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _354588)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _357292)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _364102)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _366806)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _373616)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _376320)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _383130)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _385834)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _392644)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _395348)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _413980)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _417694)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _419552)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _428020)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _417694)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _433590)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _442058)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _445772)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _447630)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _456098)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _445772)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _461668)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _470136)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _473850)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _475708)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _484176)
   Exit: (197) [system] get_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, _473850)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _494394)
   Call: (199) [system] peek_char((0x56051b6b4f40), _495328)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _494394=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _473850)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_504638, _504640), once(user:catch(read_from_chars([:], _473850), _504614, fail)), '$restore_trace'(_504638, _504640))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_504638, _504640))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _504614, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _512138)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _513996)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _520806)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _523510)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _532902)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _536616)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _538474)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _546942)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _536616)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _557160)
   Call: (200) [system] peek_char((0x56051b6b4f40), _558094)
   Exit: (200) [system] peek_char((0x56051b6b4f40), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_561886, v('(', ')', end_of_file), p)
   Call: (200) [system] ')'==p
   Call: (200) [system] get_char((0x56051b6b4f40), p)
   Exit: (200) [system] get_char((0x56051b6b4f40), p)
   Call: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _566456)
   Call: (201) [system] peek_char((0x56051b6b4f40), _567390)
   Exit: (201) [system] peek_char((0x56051b6b4f40), r)
^  Call: (201) [user] is_delimiter(r)
   Call: (202) [system] char_type(r, space)
   Call: (202) [system] arg(_571182, v('(', ')', end_of_file), r)
   Call: (201) [system] ')'==r
   Call: (201) [system] get_char((0x56051b6b4f40), r)
   Exit: (201) [system] get_char((0x56051b6b4f40), r)
   Call: (201) [system] r=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _575752)
   Call: (202) [system] peek_char((0x56051b6b4f40), _576686)
   Exit: (202) [system] peek_char((0x56051b6b4f40), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_580478, v('(', ')', end_of_file), o)
   Call: (202) [system] ')'==o
   Call: (202) [system] get_char((0x56051b6b4f40), o)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _585048)
   Call: (203) [system] peek_char((0x56051b6b4f40), _585982)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_589774, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _594344)
   Call: (204) [system] peek_char((0x56051b6b4f40), _595278)
   Exit: (204) [system] peek_char((0x56051b6b4f40), f)
^  Call: (204) [user] is_delimiter(f)
   Call: (205) [system] char_type(f, space)
   Call: (205) [system] arg(_599070, v('(', ')', end_of_file), f)
   Call: (204) [system] ')'==f
   Call: (204) [system] get_char((0x56051b6b4f40), f)
   Exit: (204) [system] get_char((0x56051b6b4f40), f)
   Call: (204) [system] f=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _603640)
   Call: (205) [system] peek_char((0x56051b6b4f40), _604574)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (205) [user] is_delimiter('2')
   Call: (206) [system] char_type('2', space)
   Call: (206) [system] arg(_608366, v('(', ')', end_of_file), '2')
   Call: (205) [system] ')'=='2'
   Call: (205) [system] get_char((0x56051b6b4f40), '2')
   Exit: (205) [system] get_char((0x56051b6b4f40), '2')
   Call: (205) [system] '2'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _612936)
   Call: (206) [system] peek_char((0x56051b6b4f40), _613870)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _612936=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _603640=['2']
   Exit: (205) [system] ['2']=['2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (204) [system] _594344=[f, '2']
   Exit: (204) [system] [f, '2']=[f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (203) [system] _585048=[o, f, '2']
   Exit: (203) [system] [o, f, '2']=[o, f, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (202) [system] _575752=[o, o, f, '2']
   Exit: (202) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (201) [system] _566456=[r, o, o, f, '2']
   Exit: (201) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (200) [system] _557160=[p, r, o, o, f, '2']
   Exit: (200) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _536616)
   Call: (200) [system] atom_chars(_639918, ['_', p, r, o, o, f, '2'])
   Exit: (200) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (199) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _644582)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _646440)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _653250)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _655954)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _665346)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _669060)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _670918)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _679386)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _669060)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _689604)
   Call: (201) [system] peek_char((0x56051b6b4f40), _690538)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_694330, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _698900)
   Call: (202) [system] peek_char((0x56051b6b4f40), _699834)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_703626, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _708196)
   Call: (203) [system] peek_char((0x56051b6b4f40), _709130)
   Exit: (203) [system] peek_char((0x56051b6b4f40), e)
^  Call: (203) [user] is_delimiter(e)
   Call: (204) [system] char_type(e, space)
   Call: (204) [system] arg(_712922, v('(', ')', end_of_file), e)
   Call: (203) [system] ')'==e
   Call: (203) [system] get_char((0x56051b6b4f40), e)
   Exit: (203) [system] get_char((0x56051b6b4f40), e)
   Call: (203) [system] e=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _717492)
   Call: (204) [system] peek_char((0x56051b6b4f40), _718426)
   Exit: (204) [system] peek_char((0x56051b6b4f40), m)
^  Call: (204) [user] is_delimiter(m)
   Call: (205) [system] char_type(m, space)
   Call: (205) [system] arg(_722218, v('(', ')', end_of_file), m)
   Call: (204) [system] ')'==m
   Call: (204) [system] get_char((0x56051b6b4f40), m)
   Exit: (204) [system] get_char((0x56051b6b4f40), m)
   Call: (204) [system] m=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _726788)
   Call: (205) [system] peek_char((0x56051b6b4f40), _727722)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_731514, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _736084)
   Call: (206) [system] peek_char((0x56051b6b4f40), _737018)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_740810, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _745380)
   Call: (207) [system] peek_char((0x56051b6b4f40), _746314)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_750106, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _754676)
   Call: (208) [system] peek_char((0x56051b6b4f40), _755610)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (208) [user] is_delimiter('2')
   Call: (209) [system] char_type('2', space)
   Call: (209) [system] arg(_759402, v('(', ')', end_of_file), '2')
   Call: (208) [system] ')'=='2'
   Call: (208) [system] get_char((0x56051b6b4f40), '2')
   Exit: (208) [system] get_char((0x56051b6b4f40), '2')
   Call: (208) [system] '2'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _763972)
   Call: (209) [system] peek_char((0x56051b6b4f40), _764906)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_768698, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _763972=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _754676=['2']
   Exit: (208) [system] ['2']=['2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (207) [system] _745380=[e, '2']
   Exit: (207) [system] [e, '2']=[e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (206) [system] _736084=[s, e, '2']
   Exit: (206) [system] [s, e, '2']=[s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (205) [system] _726788=[i, s, e, '2']
   Exit: (205) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (204) [system] _717492=[m, i, s, e, '2']
   Exit: (204) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (203) [system] _708196=[e, m, i, s, e, '2']
   Exit: (203) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (202) [system] _698900=[r, e, m, i, s, e, '2']
   Exit: (202) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (201) [system] _689604=[p, r, e, m, i, s, e, '2']
   Exit: (201) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _669060)
   Call: (201) [system] atom_chars(_797486, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (201) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _802150)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _804008)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _812476)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x56051b6b4f40), _816266)
   Exit: (199) [system] get_char((0x56051b6b4f40), ')')
   Call: (199) [system] _802150=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (198) [system] _644582=[_premise2]
   Exit: (198) [system] [_premise2]=[_premise2]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_premise2])
   Call: (197) [system] _512138=[_proof2, _premise2]
   Exit: (197) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_proof2, _premise2])
   Call: (196) [system] _445772=[:, _proof2, _premise2]
   Exit: (196) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _830148)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _832006)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _838816)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _841520)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _850912)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _854626)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _856484)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _864952)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _854626)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _870522)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=(;)
^  Call: (198) [user] is_like_space(s)
   Call: (199) [system] char_type(s, 'white')
   Call: (199) [system] char_type(s, end_of_line)
   Call: (199) [system] char_type(s, space)
   Call: (199) [system] char_type(s, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _878990)
   Exit: (197) [system] peek_char((0x56051b6b4f40), s)
   Call: (197) [system] s=')'
   Call: (197) [system] s=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _882704)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _884562)
   Exit: (199) [system] peek_char((0x56051b6b4f40), s)
   Call: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _893030)
   Exit: (198) [system] get_char((0x56051b6b4f40), s)
   Call: (198) [system] s='('
   Call: (198) [system] s='['
   Call: (198) [system] s='{'
   Call: (198) [system] s='"'
   Call: (198) [system] s=!
   Call: (198) [system] s='\''
   Call: (198) [system] s='`'
   Call: (198) [system] s=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), s, _882704)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _903248)
   Call: (200) [system] peek_char((0x56051b6b4f40), _904182)
   Exit: (200) [system] peek_char((0x56051b6b4f40), y)
^  Call: (200) [user] is_delimiter(y)
   Call: (201) [system] char_type(y, space)
   Call: (201) [system] arg(_907974, v('(', ')', end_of_file), y)
   Call: (200) [system] ')'==y
   Call: (200) [system] get_char((0x56051b6b4f40), y)
   Exit: (200) [system] get_char((0x56051b6b4f40), y)
   Call: (200) [system] y=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _912544)
   Call: (201) [system] peek_char((0x56051b6b4f40), _913478)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_917270, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _921840)
   Call: (202) [system] peek_char((0x56051b6b4f40), _922774)
   Exit: (202) [system] peek_char((0x56051b6b4f40), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_926566, v('(', ')', end_of_file), t)
   Call: (202) [system] ')'==t
   Call: (202) [system] get_char((0x56051b6b4f40), t)
   Exit: (202) [system] get_char((0x56051b6b4f40), t)
   Call: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _931136)
   Call: (203) [system] peek_char((0x56051b6b4f40), _932070)
   Exit: (203) [system] peek_char((0x56051b6b4f40), h)
^  Call: (203) [user] is_delimiter(h)
   Call: (204) [system] char_type(h, space)
   Call: (204) [system] arg(_935862, v('(', ')', end_of_file), h)
   Call: (203) [system] ')'==h
   Call: (203) [system] get_char((0x56051b6b4f40), h)
   Exit: (203) [system] get_char((0x56051b6b4f40), h)
   Call: (203) [system] h=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _940432)
   Call: (204) [system] peek_char((0x56051b6b4f40), _941366)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_945158, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _949728)
   Call: (205) [system] peek_char((0x56051b6b4f40), _950662)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_954454, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _959024)
   Call: (206) [system] peek_char((0x56051b6b4f40), _959958)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_963750, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _968320)
   Call: (207) [system] peek_char((0x56051b6b4f40), _969254)
   Exit: (207) [system] peek_char((0x56051b6b4f40), z)
^  Call: (207) [user] is_delimiter(z)
   Call: (208) [system] char_type(z, space)
   Call: (208) [system] arg(_973046, v('(', ')', end_of_file), z)
   Call: (207) [system] ')'==z
   Call: (207) [system] get_char((0x56051b6b4f40), z)
   Exit: (207) [system] get_char((0x56051b6b4f40), z)
   Call: (207) [system] z=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _977616)
   Call: (208) [system] peek_char((0x56051b6b4f40), _978550)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_982342, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _986912)
   Call: (209) [system] peek_char((0x56051b6b4f40), _987846)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _986912=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _977616=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (207) [system] _968320=[z, e]
   Exit: (207) [system] [z, e]=[z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (206) [system] _959024=[i, z, e]
   Exit: (206) [system] [i, z, e]=[i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (205) [system] _949728=[s, i, z, e]
   Exit: (205) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (204) [system] _940432=[e, s, i, z, e]
   Exit: (204) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (203) [system] _931136=[h, e, s, i, z, e]
   Exit: (203) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (202) [system] _921840=[t, h, e, s, i, z, e]
   Exit: (202) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (201) [system] _912544=[n, t, h, e, s, i, z, e]
   Exit: (201) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (200) [system] _903248=[y, n, t, h, e, s, i, z, e]
   Exit: (200) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _882704)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1022302, _1022304), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _882704), _1022278, fail)), '$restore_trace'(_1022302, _1022304))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1022302, _1022304))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1022278, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(synthesize)
   Exit: (200) [system] atomic(synthesize)
^  Exit: (199) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1029802)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1031660)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1038470)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1041174)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1050566)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1054280)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1056138)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1064606)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1054280)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1070176)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1078644)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1082358)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1084216)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1092684)
   Exit: (201) [system] get_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, _1082358)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1102902)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1103836)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1102902=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _1082358)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1113146, _1113148), once(user:catch(read_from_chars([:], _1082358), _1113122, fail)), '$restore_trace'(_1113146, _1113148))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1113146, _1113148))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1113122, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1120646)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1122504)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1129314)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1132018)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1141410)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1145124)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1146982)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1155450)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _1145124)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1165668)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1166602)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_1170394, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1174964)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1175898)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1179690, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1184260)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1185194)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1188986, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1193556)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1194490)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1198282, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1202852)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1203786)
   Exit: (208) [system] peek_char((0x56051b6b4f40), f)
^  Call: (208) [user] is_delimiter(f)
   Call: (209) [system] char_type(f, space)
   Call: (209) [system] arg(_1207578, v('(', ')', end_of_file), f)
   Call: (208) [system] ')'==f
   Call: (208) [system] get_char((0x56051b6b4f40), f)
   Exit: (208) [system] get_char((0x56051b6b4f40), f)
   Call: (208) [system] f=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1212148)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1213082)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (209) [user] is_delimiter('2')
   Call: (210) [system] char_type('2', space)
   Call: (210) [system] arg(_1216874, v('(', ')', end_of_file), '2')
   Call: (209) [system] ')'=='2'
   Call: (209) [system] get_char((0x56051b6b4f40), '2')
   Exit: (209) [system] get_char((0x56051b6b4f40), '2')
   Call: (209) [system] '2'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1221444)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1222378)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1221444=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1212148=['2']
   Exit: (209) [system] ['2']=['2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (208) [system] _1202852=[f, '2']
   Exit: (208) [system] [f, '2']=[f, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '2'])
   Call: (207) [system] _1193556=[o, f, '2']
   Exit: (207) [system] [o, f, '2']=[o, f, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '2'])
   Call: (206) [system] _1184260=[o, o, f, '2']
   Exit: (206) [system] [o, o, f, '2']=[o, o, f, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '2'])
   Call: (205) [system] _1174964=[r, o, o, f, '2']
   Exit: (205) [system] [r, o, o, f, '2']=[r, o, o, f, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '2'])
   Call: (204) [system] _1165668=[p, r, o, o, f, '2']
   Exit: (204) [system] [p, r, o, o, f, '2']=[p, r, o, o, f, '2']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '2'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _1145124)
   Call: (204) [system] atom_chars(_1248426, ['_', p, r, o, o, f, '2'])
   Exit: (204) [system] atom_chars('_proof2', ['_', p, r, o, o, f, '2'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, o, o, f, '2'], _proof2)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof2)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _proof2)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1253090)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1254948)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1261758)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1264462)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1273854)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1277568)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1279426)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1287894)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _1277568)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1298112)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1299046)
   Exit: (205) [system] peek_char((0x56051b6b4f40), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_1302838, v('(', ')', end_of_file), p)
   Call: (205) [system] ')'==p
   Call: (205) [system] get_char((0x56051b6b4f40), p)
   Exit: (205) [system] get_char((0x56051b6b4f40), p)
   Call: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1307408)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1308342)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1312134, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1316704)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1317638)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1321430, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1326000)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1326934)
   Exit: (208) [system] peek_char((0x56051b6b4f40), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1330726, v('(', ')', end_of_file), m)
   Call: (208) [system] ')'==m
   Call: (208) [system] get_char((0x56051b6b4f40), m)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1335296)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1336230)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1340022, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1344592)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1345526)
   Exit: (210) [system] peek_char((0x56051b6b4f40), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1349318, v('(', ')', end_of_file), s)
   Call: (210) [system] ')'==s
   Call: (210) [system] get_char((0x56051b6b4f40), s)
   Exit: (210) [system] get_char((0x56051b6b4f40), s)
   Call: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1353888)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1354822)
   Exit: (211) [system] peek_char((0x56051b6b4f40), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1358614, v('(', ')', end_of_file), e)
   Call: (211) [system] ')'==e
   Call: (211) [system] get_char((0x56051b6b4f40), e)
   Exit: (211) [system] get_char((0x56051b6b4f40), e)
   Call: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1363184)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1364118)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '2')
^  Call: (212) [user] is_delimiter('2')
   Call: (213) [system] char_type('2', space)
   Call: (213) [system] arg(_1367910, v('(', ')', end_of_file), '2')
   Call: (212) [system] ')'=='2'
   Call: (212) [system] get_char((0x56051b6b4f40), '2')
   Exit: (212) [system] get_char((0x56051b6b4f40), '2')
   Call: (212) [system] '2'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1372480)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1373414)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1377206, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1372480=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _1363184=['2']
   Exit: (212) [system] ['2']=['2']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['2'])
   Call: (211) [system] _1353888=[e, '2']
   Exit: (211) [system] [e, '2']=[e, '2']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '2'])
   Call: (210) [system] _1344592=[s, e, '2']
   Exit: (210) [system] [s, e, '2']=[s, e, '2']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '2'])
   Call: (209) [system] _1335296=[i, s, e, '2']
   Exit: (209) [system] [i, s, e, '2']=[i, s, e, '2']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '2'])
   Call: (208) [system] _1326000=[m, i, s, e, '2']
   Exit: (208) [system] [m, i, s, e, '2']=[m, i, s, e, '2']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '2'])
   Call: (207) [system] _1316704=[e, m, i, s, e, '2']
   Exit: (207) [system] [e, m, i, s, e, '2']=[e, m, i, s, e, '2']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '2'])
   Call: (206) [system] _1307408=[r, e, m, i, s, e, '2']
   Exit: (206) [system] [r, e, m, i, s, e, '2']=[r, e, m, i, s, e, '2']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '2'])
   Call: (205) [system] _1298112=[p, r, e, m, i, s, e, '2']
   Exit: (205) [system] [p, r, e, m, i, s, e, '2']=[p, r, e, m, i, s, e, '2']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '2'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _1277568)
   Call: (205) [system] atom_chars(_1405994, ['_', p, r, e, m, i, s, e, '2'])
   Exit: (205) [system] atom_chars('_premise2', ['_', p, r, e, m, i, s, e, '2'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '2'], _premise2)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise2)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _premise2)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1410658)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1412516)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1420984)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _1424774)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _1410658=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _1253090=[_premise2]
   Exit: (202) [system] [_premise2]=[_premise2]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_premise2])
   Call: (201) [system] _1120646=[_proof2, _premise2]
   Exit: (201) [system] [_proof2, _premise2]=[_proof2, _premise2]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_proof2, _premise2])
   Call: (200) [system] _1054280=[:, _proof2, _premise2]
   Exit: (200) [system] [:, _proof2, _premise2]=[:, _proof2, _premise2]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof2, _premise2])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1438656)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1440514)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1447324)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1450028)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1459420)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1463134)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1464992)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1473460)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1463134)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1483678)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1484612)
   Exit: (202) [system] peek_char((0x56051b6b4f40), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1488404, v('(', ')', end_of_file), k)
   Call: (202) [system] ')'==k
   Call: (202) [system] get_char((0x56051b6b4f40), k)
   Exit: (202) [system] get_char((0x56051b6b4f40), k)
   Call: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1492974)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1493908)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1497700, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1502270)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1503204)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1502270=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1492974=[b]
   Exit: (203) [system] [b]=[b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (202) [system] _1483678=[k, b]
   Exit: (202) [system] [k, b]=[k, b]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (201) [user] classify_and_convert_charseq($, [k, b], _1463134)
   Call: (202) [system] atom_chars(_1518076, ['_', k, b])
   Exit: (202) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (201) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1522740)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1524598)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1531408)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1534112)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1543504)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1547218)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1549076)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1557544)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1547218)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1567762)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1568696)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1572488, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1577058)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1577992)
   Exit: (204) [system] peek_char((0x56051b6b4f40), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1581784, v('(', ')', end_of_file), b)
   Call: (204) [system] ')'==b
   Call: (204) [system] get_char((0x56051b6b4f40), b)
   Exit: (204) [system] get_char((0x56051b6b4f40), b)
   Call: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1586354)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1587288)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1586354=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1577058=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (203) [system] _1567762=[r, b]
   Exit: (203) [system] [r, b]=[r, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (202) [user] classify_and_convert_charseq($, [r, b], _1547218)
   Call: (203) [system] atom_chars(_1602160, ['_', r, b])
   Exit: (203) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1606824)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1608682)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1615492)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1618196)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1627588)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1631302)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1633160)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1641628)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _1631302)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1651846)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1652780)
   Exit: (204) [system] peek_char((0x56051b6b4f40), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_1656572, v('(', ')', end_of_file), k)
   Call: (204) [system] ')'==k
   Call: (204) [system] get_char((0x56051b6b4f40), k)
   Exit: (204) [system] get_char((0x56051b6b4f40), k)
   Call: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1661142)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1662076)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1665868, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1661142=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1651846=[k]
   Exit: (204) [system] [k]=[k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (203) [user] classify_and_convert_charseq($, [k], _1631302)
   Call: (204) [system] atom_chars(_1675098, ['_', k])
   Exit: (204) [system] atom_chars('_k', ['_', k])
^  Exit: (203) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1679762)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1681620)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1690088)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1693878)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1679762=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _1606824=[_k]
   Exit: (201) [system] [_k]=[_k]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (200) [system] _1522740=[_rb, _k]
   Exit: (200) [system] [_rb, _k]=[_rb, _k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (199) [system] _1438656=[_kb, _rb, _k]
   Exit: (199) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (198) [system] _1029802=[[:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (198) [system] [[:, _proof2, _premise2], _kb, _rb, _k]=[[:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [[:, _proof2, _premise2], _kb, _rb, _k])
   Call: (197) [system] _854626=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
   Exit: (197) [system] [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]=[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1713348)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1715206)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1723674)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1727464)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1713348=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _830148=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (195) [system] [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (194) [system] _417694=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
   Exit: (194) [system] [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]=[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1738552)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1740410)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (194) [system] '\n'=(;)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x56051b6b4f40), _1748026)
   Exit: (194) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1750730)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1757540)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1760244)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1767054)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1769758)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1776568)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1779272)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1786082)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1788786)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1795596)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1798300)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1805110)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1807814)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1814624)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1817328)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1824138)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1826842)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1833652)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1836356)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1843166)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1845870)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1864502)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1868216)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1870074)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1878542)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1868216)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1884112)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1892580)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1896294)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1898152)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1906620)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1896294)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1912190)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1920658)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1924372)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1926230)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1934698)
   Exit: (198) [system] get_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), :, _1924372)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1944916)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1945850)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1944916=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (199) [user] classify_and_convert_charseq(:, [], _1924372)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1955160, _1955162), once(user:catch(read_from_chars([:], _1924372), _1955136, fail)), '$restore_trace'(_1955160, _1955162))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1955160, _1955162))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1955136, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1962660)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1964518)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1971328)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1974032)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1983424)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=')'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1987138)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1988996)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=(;)
^  Call: (200) [user] is_like_space($)
   Call: (201) [system] char_type($, 'white')
   Call: (201) [system] char_type($, end_of_line)
   Call: (201) [system] char_type($, space)
   Call: (201) [system] char_type($, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1997464)
   Exit: (199) [system] get_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)='('
   Call: (199) [system] ($)='['
   Call: (199) [system] ($)='{'
   Call: (199) [system] ($)='"'
   Call: (199) [system] ($)=!
   Call: (199) [system] ($)='\''
   Call: (199) [system] ($)='`'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _1987138)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2007682)
   Call: (201) [system] peek_char((0x56051b6b4f40), _2008616)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_2012408, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2016978)
   Call: (202) [system] peek_char((0x56051b6b4f40), _2017912)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_2021704, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2026274)
   Call: (203) [system] peek_char((0x56051b6b4f40), _2027208)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_2031000, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2035570)
   Call: (204) [system] peek_char((0x56051b6b4f40), _2036504)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_2040296, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2044866)
   Call: (205) [system] peek_char((0x56051b6b4f40), _2045800)
   Exit: (205) [system] peek_char((0x56051b6b4f40), f)
^  Call: (205) [user] is_delimiter(f)
   Call: (206) [system] char_type(f, space)
   Call: (206) [system] arg(_2049592, v('(', ')', end_of_file), f)
   Call: (205) [system] ')'==f
   Call: (205) [system] get_char((0x56051b6b4f40), f)
   Exit: (205) [system] get_char((0x56051b6b4f40), f)
   Call: (205) [system] f=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2054162)
   Call: (206) [system] peek_char((0x56051b6b4f40), _2055096)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (206) [user] is_delimiter('3')
   Call: (207) [system] char_type('3', space)
   Call: (207) [system] arg(_2058888, v('(', ')', end_of_file), '3')
   Call: (206) [system] ')'=='3'
   Call: (206) [system] get_char((0x56051b6b4f40), '3')
   Exit: (206) [system] get_char((0x56051b6b4f40), '3')
   Call: (206) [system] '3'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2063458)
   Call: (207) [system] peek_char((0x56051b6b4f40), _2064392)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _2063458=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _2054162=['3']
   Exit: (206) [system] ['3']=['3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (205) [system] _2044866=[f, '3']
   Exit: (205) [system] [f, '3']=[f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '3'])
   Call: (204) [system] _2035570=[o, f, '3']
   Exit: (204) [system] [o, f, '3']=[o, f, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '3'])
   Call: (203) [system] _2026274=[o, o, f, '3']
   Exit: (203) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '3'])
   Call: (202) [system] _2016978=[r, o, o, f, '3']
   Exit: (202) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '3'])
   Call: (201) [system] _2007682=[p, r, o, o, f, '3']
   Exit: (201) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '3'])
^  Call: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _1987138)
   Call: (201) [system] atom_chars(_2090440, ['_', p, r, o, o, f, '3'])
   Exit: (201) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (200) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof3)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _proof3)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _2095104)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _3920)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _10696)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _13400)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _22792)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _26506)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _28364)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _36832)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _26506)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _47050)
   Call: (202) [system] peek_char((0x56051b6b4f40), _47984)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_51776, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _56346)
   Call: (203) [system] peek_char((0x56051b6b4f40), _57280)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_61072, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _65642)
   Call: (204) [system] peek_char((0x56051b6b4f40), _66576)
   Exit: (204) [system] peek_char((0x56051b6b4f40), e)
^  Call: (204) [user] is_delimiter(e)
   Call: (205) [system] char_type(e, space)
   Call: (205) [system] arg(_70368, v('(', ')', end_of_file), e)
   Call: (204) [system] ')'==e
   Call: (204) [system] get_char((0x56051b6b4f40), e)
   Exit: (204) [system] get_char((0x56051b6b4f40), e)
   Call: (204) [system] e=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _74938)
   Call: (205) [system] peek_char((0x56051b6b4f40), _75872)
   Exit: (205) [system] peek_char((0x56051b6b4f40), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_79664, v('(', ')', end_of_file), m)
   Call: (205) [system] ')'==m
   Call: (205) [system] get_char((0x56051b6b4f40), m)
   Exit: (205) [system] get_char((0x56051b6b4f40), m)
   Call: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _84234)
   Call: (206) [system] peek_char((0x56051b6b4f40), _85168)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_88960, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _93530)
   Call: (207) [system] peek_char((0x56051b6b4f40), _94464)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_98256, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _102826)
   Call: (208) [system] peek_char((0x56051b6b4f40), _103760)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_107552, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _112122)
   Call: (209) [system] peek_char((0x56051b6b4f40), _113056)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (209) [user] is_delimiter('3')
   Call: (210) [system] char_type('3', space)
   Call: (210) [system] arg(_116848, v('(', ')', end_of_file), '3')
   Call: (209) [system] ')'=='3'
   Call: (209) [system] get_char((0x56051b6b4f40), '3')
   Exit: (209) [system] get_char((0x56051b6b4f40), '3')
   Call: (209) [system] '3'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _121418)
   Call: (210) [system] peek_char((0x56051b6b4f40), _122352)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_126144, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _121418=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _112122=['3']
   Exit: (209) [system] ['3']=['3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (208) [system] _102826=[e, '3']
   Exit: (208) [system] [e, '3']=[e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '3'])
   Call: (207) [system] _93530=[s, e, '3']
   Exit: (207) [system] [s, e, '3']=[s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '3'])
   Call: (206) [system] _84234=[i, s, e, '3']
   Exit: (206) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '3'])
   Call: (205) [system] _74938=[m, i, s, e, '3']
   Exit: (205) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '3'])
   Call: (204) [system] _65642=[e, m, i, s, e, '3']
   Exit: (204) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '3'])
   Call: (203) [system] _56346=[r, e, m, i, s, e, '3']
   Exit: (203) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '3'])
   Call: (202) [system] _47050=[p, r, e, m, i, s, e, '3']
   Exit: (202) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '3'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _26506)
   Call: (202) [system] atom_chars(_154932, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (202) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise3)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _premise3)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _159596)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _161454)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _169922)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x56051b6b4f40), _173712)
   Exit: (200) [system] get_char((0x56051b6b4f40), ')')
   Call: (200) [system] _159596=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (199) [system] _3916=[_premise3]
   Exit: (199) [system] [_premise3]=[_premise3]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_premise3])
   Call: (198) [system] _3906=[_proof3, _premise3]
   Exit: (198) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [_proof3, _premise3])
   Call: (197) [system] _3898=[:, _proof3, _premise3]
   Exit: (197) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _187594)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _189452)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _196262)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _198966)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _208358)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _212072)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _213930)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _222398)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _212072)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _227968)
   Exit: (199) [system] peek_char((0x56051b6b4f40), s)
   Call: (199) [system] s=(;)
^  Call: (199) [user] is_like_space(s)
   Call: (200) [system] char_type(s, 'white')
   Call: (200) [system] char_type(s, end_of_line)
   Call: (200) [system] char_type(s, space)
   Call: (200) [system] char_type(s, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _236436)
   Exit: (198) [system] peek_char((0x56051b6b4f40), s)
   Call: (198) [system] s=')'
   Call: (198) [system] s=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _240150)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _242008)
   Exit: (200) [system] peek_char((0x56051b6b4f40), s)
   Call: (200) [system] s=(;)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _250476)
   Exit: (199) [system] get_char((0x56051b6b4f40), s)
   Call: (199) [system] s='('
   Call: (199) [system] s='['
   Call: (199) [system] s='{'
   Call: (199) [system] s='"'
   Call: (199) [system] s=!
   Call: (199) [system] s='\''
   Call: (199) [system] s='`'
   Call: (199) [system] s=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), s, _240150)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _260694)
   Call: (201) [system] peek_char((0x56051b6b4f40), _261628)
   Exit: (201) [system] peek_char((0x56051b6b4f40), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_265420, v('(', ')', end_of_file), y)
   Call: (201) [system] ')'==y
   Call: (201) [system] get_char((0x56051b6b4f40), y)
   Exit: (201) [system] get_char((0x56051b6b4f40), y)
   Call: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _269990)
   Call: (202) [system] peek_char((0x56051b6b4f40), _270924)
   Exit: (202) [system] peek_char((0x56051b6b4f40), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_274716, v('(', ')', end_of_file), n)
   Call: (202) [system] ')'==n
   Call: (202) [system] get_char((0x56051b6b4f40), n)
   Exit: (202) [system] get_char((0x56051b6b4f40), n)
   Call: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _279286)
   Call: (203) [system] peek_char((0x56051b6b4f40), _280220)
   Exit: (203) [system] peek_char((0x56051b6b4f40), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_284012, v('(', ')', end_of_file), t)
   Call: (203) [system] ')'==t
   Call: (203) [system] get_char((0x56051b6b4f40), t)
   Exit: (203) [system] get_char((0x56051b6b4f40), t)
   Call: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _288582)
   Call: (204) [system] peek_char((0x56051b6b4f40), _289516)
   Exit: (204) [system] peek_char((0x56051b6b4f40), h)
^  Call: (204) [user] is_delimiter(h)
   Call: (205) [system] char_type(h, space)
   Call: (205) [system] arg(_293308, v('(', ')', end_of_file), h)
   Call: (204) [system] ')'==h
   Call: (204) [system] get_char((0x56051b6b4f40), h)
   Exit: (204) [system] get_char((0x56051b6b4f40), h)
   Call: (204) [system] h=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _297878)
   Call: (205) [system] peek_char((0x56051b6b4f40), _298812)
   Exit: (205) [system] peek_char((0x56051b6b4f40), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_302604, v('(', ')', end_of_file), e)
   Call: (205) [system] ')'==e
   Call: (205) [system] get_char((0x56051b6b4f40), e)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _307174)
   Call: (206) [system] peek_char((0x56051b6b4f40), _308108)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_311900, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _316470)
   Call: (207) [system] peek_char((0x56051b6b4f40), _317404)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_321196, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _325766)
   Call: (208) [system] peek_char((0x56051b6b4f40), _326700)
   Exit: (208) [system] peek_char((0x56051b6b4f40), z)
^  Call: (208) [user] is_delimiter(z)
   Call: (209) [system] char_type(z, space)
   Call: (209) [system] arg(_330492, v('(', ')', end_of_file), z)
   Call: (208) [system] ')'==z
   Call: (208) [system] get_char((0x56051b6b4f40), z)
   Exit: (208) [system] get_char((0x56051b6b4f40), z)
   Call: (208) [system] z=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _335062)
   Call: (209) [system] peek_char((0x56051b6b4f40), _335996)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_339788, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _344358)
   Call: (210) [system] peek_char((0x56051b6b4f40), _345292)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _344358=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _335062=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (208) [system] _325766=[z, e]
   Exit: (208) [system] [z, e]=[z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (207) [system] _316470=[i, z, e]
   Exit: (207) [system] [i, z, e]=[i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (206) [system] _307174=[s, i, z, e]
   Exit: (206) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (205) [system] _297878=[e, s, i, z, e]
   Exit: (205) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (204) [system] _288582=[h, e, s, i, z, e]
   Exit: (204) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (203) [system] _279286=[t, h, e, s, i, z, e]
   Exit: (203) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (202) [system] _269990=[n, t, h, e, s, i, z, e]
   Exit: (202) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (201) [system] _260694=[y, n, t, h, e, s, i, z, e]
   Exit: (201) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _240150)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_379748, _379750), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _240150), _379724, fail)), '$restore_trace'(_379748, _379750))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_379748, _379750))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _379724, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(synthesize)
   Exit: (201) [system] atomic(synthesize)
^  Exit: (200) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _387248)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _389106)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _395916)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _398620)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _408012)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _411726)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _413584)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _422052)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _411726)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _427622)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _436090)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _439804)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _441662)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _450130)
   Exit: (202) [system] get_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), :, _439804)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _460348)
   Call: (204) [system] peek_char((0x56051b6b4f40), _461282)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _460348=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (203) [user] classify_and_convert_charseq(:, [], _439804)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_470592, _470594), once(user:catch(read_from_chars([:], _439804), _470568, fail)), '$restore_trace'(_470592, _470594))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_470592, _470594))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _470568, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _478092)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _479950)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _486760)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _489464)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _498856)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _502570)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _504428)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _512896)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _502570)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _523114)
   Call: (205) [system] peek_char((0x56051b6b4f40), _524048)
   Exit: (205) [system] peek_char((0x56051b6b4f40), p)
^  Call: (205) [user] is_delimiter(p)
   Call: (206) [system] char_type(p, space)
   Call: (206) [system] arg(_527840, v('(', ')', end_of_file), p)
   Call: (205) [system] ')'==p
   Call: (205) [system] get_char((0x56051b6b4f40), p)
   Exit: (205) [system] get_char((0x56051b6b4f40), p)
   Call: (205) [system] p=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _532410)
   Call: (206) [system] peek_char((0x56051b6b4f40), _533344)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_537136, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _541706)
   Call: (207) [system] peek_char((0x56051b6b4f40), _542640)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_546432, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _551002)
   Call: (208) [system] peek_char((0x56051b6b4f40), _551936)
   Exit: (208) [system] peek_char((0x56051b6b4f40), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_555728, v('(', ')', end_of_file), o)
   Call: (208) [system] ')'==o
   Call: (208) [system] get_char((0x56051b6b4f40), o)
   Exit: (208) [system] get_char((0x56051b6b4f40), o)
   Call: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _560298)
   Call: (209) [system] peek_char((0x56051b6b4f40), _561232)
   Exit: (209) [system] peek_char((0x56051b6b4f40), f)
^  Call: (209) [user] is_delimiter(f)
   Call: (210) [system] char_type(f, space)
   Call: (210) [system] arg(_565024, v('(', ')', end_of_file), f)
   Call: (209) [system] ')'==f
   Call: (209) [system] get_char((0x56051b6b4f40), f)
   Exit: (209) [system] get_char((0x56051b6b4f40), f)
   Call: (209) [system] f=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _569594)
   Call: (210) [system] peek_char((0x56051b6b4f40), _570528)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (210) [user] is_delimiter('3')
   Call: (211) [system] char_type('3', space)
   Call: (211) [system] arg(_574320, v('(', ')', end_of_file), '3')
   Call: (210) [system] ')'=='3'
   Call: (210) [system] get_char((0x56051b6b4f40), '3')
   Exit: (210) [system] get_char((0x56051b6b4f40), '3')
   Call: (210) [system] '3'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _578890)
   Call: (211) [system] peek_char((0x56051b6b4f40), _579824)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _578890=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _569594=['3']
   Exit: (210) [system] ['3']=['3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (209) [system] _560298=[f, '3']
   Exit: (209) [system] [f, '3']=[f, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '3'])
   Call: (208) [system] _551002=[o, f, '3']
   Exit: (208) [system] [o, f, '3']=[o, f, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '3'])
   Call: (207) [system] _541706=[o, o, f, '3']
   Exit: (207) [system] [o, o, f, '3']=[o, o, f, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '3'])
   Call: (206) [system] _532410=[r, o, o, f, '3']
   Exit: (206) [system] [r, o, o, f, '3']=[r, o, o, f, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '3'])
   Call: (205) [system] _523114=[p, r, o, o, f, '3']
   Exit: (205) [system] [p, r, o, o, f, '3']=[p, r, o, o, f, '3']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '3'])
^  Call: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _502570)
   Call: (205) [system] atom_chars(_605872, ['_', p, r, o, o, f, '3'])
   Exit: (205) [system] atom_chars('_proof3', ['_', p, r, o, o, f, '3'])
^  Exit: (204) [user] classify_and_convert_charseq($, [p, r, o, o, f, '3'], _proof3)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof3)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _proof3)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _610536)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _612394)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _619204)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _621908)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _631300)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _635014)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _636872)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _645340)
   Exit: (204) [system] get_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _635014)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _655558)
   Call: (206) [system] peek_char((0x56051b6b4f40), _656492)
   Exit: (206) [system] peek_char((0x56051b6b4f40), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_660284, v('(', ')', end_of_file), p)
   Call: (206) [system] ')'==p
   Call: (206) [system] get_char((0x56051b6b4f40), p)
   Exit: (206) [system] get_char((0x56051b6b4f40), p)
   Call: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _664854)
   Call: (207) [system] peek_char((0x56051b6b4f40), _665788)
   Exit: (207) [system] peek_char((0x56051b6b4f40), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_669580, v('(', ')', end_of_file), r)
   Call: (207) [system] ')'==r
   Call: (207) [system] get_char((0x56051b6b4f40), r)
   Exit: (207) [system] get_char((0x56051b6b4f40), r)
   Call: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _674150)
   Call: (208) [system] peek_char((0x56051b6b4f40), _675084)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_678876, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _683446)
   Call: (209) [system] peek_char((0x56051b6b4f40), _684380)
   Exit: (209) [system] peek_char((0x56051b6b4f40), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_688172, v('(', ')', end_of_file), m)
   Call: (209) [system] ')'==m
   Call: (209) [system] get_char((0x56051b6b4f40), m)
   Exit: (209) [system] get_char((0x56051b6b4f40), m)
   Call: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _692742)
   Call: (210) [system] peek_char((0x56051b6b4f40), _693676)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_697468, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _702038)
   Call: (211) [system] peek_char((0x56051b6b4f40), _702972)
   Exit: (211) [system] peek_char((0x56051b6b4f40), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_706764, v('(', ')', end_of_file), s)
   Call: (211) [system] ')'==s
   Call: (211) [system] get_char((0x56051b6b4f40), s)
   Exit: (211) [system] get_char((0x56051b6b4f40), s)
   Call: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _711334)
   Call: (212) [system] peek_char((0x56051b6b4f40), _712268)
   Exit: (212) [system] peek_char((0x56051b6b4f40), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_716060, v('(', ')', end_of_file), e)
   Call: (212) [system] ')'==e
   Call: (212) [system] get_char((0x56051b6b4f40), e)
   Exit: (212) [system] get_char((0x56051b6b4f40), e)
   Call: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _720630)
   Call: (213) [system] peek_char((0x56051b6b4f40), _721564)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '3')
^  Call: (213) [user] is_delimiter('3')
   Call: (214) [system] char_type('3', space)
   Call: (214) [system] arg(_725356, v('(', ')', end_of_file), '3')
   Call: (213) [system] ')'=='3'
   Call: (213) [system] get_char((0x56051b6b4f40), '3')
   Exit: (213) [system] get_char((0x56051b6b4f40), '3')
   Call: (213) [system] '3'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _729926)
   Call: (214) [system] peek_char((0x56051b6b4f40), _730860)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_734652, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _729926=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _720630=['3']
   Exit: (213) [system] ['3']=['3']
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['3'])
   Call: (212) [system] _711334=[e, '3']
   Exit: (212) [system] [e, '3']=[e, '3']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '3'])
   Call: (211) [system] _702038=[s, e, '3']
   Exit: (211) [system] [s, e, '3']=[s, e, '3']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '3'])
   Call: (210) [system] _692742=[i, s, e, '3']
   Exit: (210) [system] [i, s, e, '3']=[i, s, e, '3']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '3'])
   Call: (209) [system] _683446=[m, i, s, e, '3']
   Exit: (209) [system] [m, i, s, e, '3']=[m, i, s, e, '3']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '3'])
   Call: (208) [system] _674150=[e, m, i, s, e, '3']
   Exit: (208) [system] [e, m, i, s, e, '3']=[e, m, i, s, e, '3']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '3'])
   Call: (207) [system] _664854=[r, e, m, i, s, e, '3']
   Exit: (207) [system] [r, e, m, i, s, e, '3']=[r, e, m, i, s, e, '3']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '3'])
   Call: (206) [system] _655558=[p, r, e, m, i, s, e, '3']
   Exit: (206) [system] [p, r, e, m, i, s, e, '3']=[p, r, e, m, i, s, e, '3']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '3'])
^  Call: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _635014)
   Call: (206) [system] atom_chars(_763440, ['_', p, r, e, m, i, s, e, '3'])
   Exit: (206) [system] atom_chars('_premise3', ['_', p, r, e, m, i, s, e, '3'])
^  Exit: (205) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '3'], _premise3)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise3)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _premise3)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _768104)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _769962)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _778430)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _782220)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _768104=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _610536=[_premise3]
   Exit: (203) [system] [_premise3]=[_premise3]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [_premise3])
   Call: (202) [system] _478092=[_proof3, _premise3]
   Exit: (202) [system] [_proof3, _premise3]=[_proof3, _premise3]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_proof3, _premise3])
   Call: (201) [system] _411726=[:, _proof3, _premise3]
   Exit: (201) [system] [:, _proof3, _premise3]=[:, _proof3, _premise3]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof3, _premise3])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _796102)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _797960)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _804770)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _807474)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _816866)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _820580)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _822438)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _830906)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _820580)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _841124)
   Call: (203) [system] peek_char((0x56051b6b4f40), _842058)
   Exit: (203) [system] peek_char((0x56051b6b4f40), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_845850, v('(', ')', end_of_file), k)
   Call: (203) [system] ')'==k
   Call: (203) [system] get_char((0x56051b6b4f40), k)
   Exit: (203) [system] get_char((0x56051b6b4f40), k)
   Call: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _850420)
   Call: (204) [system] peek_char((0x56051b6b4f40), _851354)
   Exit: (204) [system] peek_char((0x56051b6b4f40), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_855146, v('(', ')', end_of_file), b)
   Call: (204) [system] ')'==b
   Call: (204) [system] get_char((0x56051b6b4f40), b)
   Exit: (204) [system] get_char((0x56051b6b4f40), b)
   Call: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _859716)
   Call: (205) [system] peek_char((0x56051b6b4f40), _860650)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _859716=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _850420=[b]
   Exit: (204) [system] [b]=[b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (203) [system] _841124=[k, b]
   Exit: (203) [system] [k, b]=[k, b]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (202) [user] classify_and_convert_charseq($, [k, b], _820580)
   Call: (203) [system] atom_chars(_875522, ['_', k, b])
   Exit: (203) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (202) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _880186)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _882044)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _888854)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _891558)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _900950)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _904664)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _906522)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _914990)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _904664)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _925208)
   Call: (204) [system] peek_char((0x56051b6b4f40), _926142)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_929934, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _934504)
   Call: (205) [system] peek_char((0x56051b6b4f40), _935438)
   Exit: (205) [system] peek_char((0x56051b6b4f40), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_939230, v('(', ')', end_of_file), b)
   Call: (205) [system] ')'==b
   Call: (205) [system] get_char((0x56051b6b4f40), b)
   Exit: (205) [system] get_char((0x56051b6b4f40), b)
   Call: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _943800)
   Call: (206) [system] peek_char((0x56051b6b4f40), _944734)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _943800=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _934504=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (204) [system] _925208=[r, b]
   Exit: (204) [system] [r, b]=[r, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (203) [user] classify_and_convert_charseq($, [r, b], _904664)
   Call: (204) [system] atom_chars(_959606, ['_', r, b])
   Exit: (204) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (203) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _964270)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _966128)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _972938)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _975642)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _985034)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _988748)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _990606)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _999074)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _988748)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1009292)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1010226)
   Exit: (205) [system] peek_char((0x56051b6b4f40), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1014018, v('(', ')', end_of_file), k)
   Call: (205) [system] ')'==k
   Call: (205) [system] get_char((0x56051b6b4f40), k)
   Exit: (205) [system] get_char((0x56051b6b4f40), k)
   Call: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1018588)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1019522)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1023314, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1018588=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1009292=[k]
   Exit: (205) [system] [k]=[k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (204) [user] classify_and_convert_charseq($, [k], _988748)
   Call: (205) [system] atom_chars(_1032544, ['_', k])
   Exit: (205) [system] atom_chars('_k', ['_', k])
^  Exit: (204) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1037208)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1039066)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1047534)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _1051324)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _1037208=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _964270=[_k]
   Exit: (202) [system] [_k]=[_k]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (201) [system] _880186=[_rb, _k]
   Exit: (201) [system] [_rb, _k]=[_rb, _k]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (200) [system] _796102=[_kb, _rb, _k]
   Exit: (200) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (199) [system] _387248=[[:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (199) [system] [[:, _proof3, _premise3], _kb, _rb, _k]=[[:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [[:, _proof3, _premise3], _kb, _rb, _k])
   Call: (198) [system] _212072=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
   Exit: (198) [system] [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]=[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1070794)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1072652)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1081120)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _1084910)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _1070794=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _187594=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (196) [system] [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (195) [system] _3892=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
   Exit: (195) [system] [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]=[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1095998)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1097856)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (195) [system] '\n'=(;)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x56051b6b4f40), _1105472)
   Exit: (195) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1108176)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1114986)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1117690)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1124500)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1127204)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1134014)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1136718)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1143528)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1146232)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1153042)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1155746)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1162556)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1165260)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1172070)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1174774)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1181584)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1184288)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1191098)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1193802)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1200612)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1203316)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1221948)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1225662)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1227520)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1235988)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1225662)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1241558)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1250026)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1253740)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1255598)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1264066)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1253740)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1269636)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1278104)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1281818)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1283676)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1292144)
   Exit: (199) [system] get_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), :, _1281818)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1302362)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1303296)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1302362=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (200) [user] classify_and_convert_charseq(:, [], _1281818)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1312606, _1312608), once(user:catch(read_from_chars([:], _1281818), _1312582, fail)), '$restore_trace'(_1312606, _1312608))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1312606, _1312608))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1312582, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1320106)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1321964)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1328774)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1331478)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1340870)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=')'
   Call: (199) [system] ($)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1344584)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1346442)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=(;)
^  Call: (201) [user] is_like_space($)
   Call: (202) [system] char_type($, 'white')
   Call: (202) [system] char_type($, end_of_line)
   Call: (202) [system] char_type($, space)
   Call: (202) [system] char_type($, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1354910)
   Exit: (200) [system] get_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)='('
   Call: (200) [system] ($)='['
   Call: (200) [system] ($)='{'
   Call: (200) [system] ($)='"'
   Call: (200) [system] ($)=!
   Call: (200) [system] ($)='\''
   Call: (200) [system] ($)='`'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _1344584)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1365128)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1366062)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_1369854, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1374424)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1375358)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1379150, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1383720)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1384654)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1388446, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1393016)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1393950)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1397742, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1402312)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1403246)
   Exit: (206) [system] peek_char((0x56051b6b4f40), f)
^  Call: (206) [user] is_delimiter(f)
   Call: (207) [system] char_type(f, space)
   Call: (207) [system] arg(_1407038, v('(', ')', end_of_file), f)
   Call: (206) [system] ')'==f
   Call: (206) [system] get_char((0x56051b6b4f40), f)
   Exit: (206) [system] get_char((0x56051b6b4f40), f)
   Call: (206) [system] f=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1411608)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1412542)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (207) [user] is_delimiter('4')
   Call: (208) [system] char_type('4', space)
   Call: (208) [system] arg(_1416334, v('(', ')', end_of_file), '4')
   Call: (207) [system] ')'=='4'
   Call: (207) [system] get_char((0x56051b6b4f40), '4')
   Exit: (207) [system] get_char((0x56051b6b4f40), '4')
   Call: (207) [system] '4'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1420904)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1421838)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1420904=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1411608=['4']
   Exit: (207) [system] ['4']=['4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (206) [system] _1402312=[f, '4']
   Exit: (206) [system] [f, '4']=[f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '4'])
   Call: (205) [system] _1393016=[o, f, '4']
   Exit: (205) [system] [o, f, '4']=[o, f, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '4'])
   Call: (204) [system] _1383720=[o, o, f, '4']
   Exit: (204) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '4'])
   Call: (203) [system] _1374424=[r, o, o, f, '4']
   Exit: (203) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '4'])
   Call: (202) [system] _1365128=[p, r, o, o, f, '4']
   Exit: (202) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '4'])
^  Call: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _1344584)
   Call: (202) [system] atom_chars(_1447886, ['_', p, r, o, o, f, '4'])
   Exit: (202) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (201) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof4)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _proof4)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1452550)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1454408)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1461218)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1463922)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1473314)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1477028)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1478886)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1487354)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _1477028)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1497572)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1498506)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_1502298, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1506868)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1507802)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1511594, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1516164)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1517098)
   Exit: (205) [system] peek_char((0x56051b6b4f40), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1520890, v('(', ')', end_of_file), e)
   Call: (205) [system] ')'==e
   Call: (205) [system] get_char((0x56051b6b4f40), e)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1525460)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1526394)
   Exit: (206) [system] peek_char((0x56051b6b4f40), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1530186, v('(', ')', end_of_file), m)
   Call: (206) [system] ')'==m
   Call: (206) [system] get_char((0x56051b6b4f40), m)
   Exit: (206) [system] get_char((0x56051b6b4f40), m)
   Call: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1534756)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1535690)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1539482, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1544052)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1544986)
   Exit: (208) [system] peek_char((0x56051b6b4f40), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1548778, v('(', ')', end_of_file), s)
   Call: (208) [system] ')'==s
   Call: (208) [system] get_char((0x56051b6b4f40), s)
   Exit: (208) [system] get_char((0x56051b6b4f40), s)
   Call: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1553348)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1554282)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_1558074, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1562644)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1563578)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (210) [user] is_delimiter('4')
   Call: (211) [system] char_type('4', space)
   Call: (211) [system] arg(_1567370, v('(', ')', end_of_file), '4')
   Call: (210) [system] ')'=='4'
   Call: (210) [system] get_char((0x56051b6b4f40), '4')
   Exit: (210) [system] get_char((0x56051b6b4f40), '4')
   Call: (210) [system] '4'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1571940)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1572874)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1576666, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1571940=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1562644=['4']
   Exit: (210) [system] ['4']=['4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (209) [system] _1553348=[e, '4']
   Exit: (209) [system] [e, '4']=[e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '4'])
   Call: (208) [system] _1544052=[s, e, '4']
   Exit: (208) [system] [s, e, '4']=[s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '4'])
   Call: (207) [system] _1534756=[i, s, e, '4']
   Exit: (207) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '4'])
   Call: (206) [system] _1525460=[m, i, s, e, '4']
   Exit: (206) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '4'])
   Call: (205) [system] _1516164=[e, m, i, s, e, '4']
   Exit: (205) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '4'])
   Call: (204) [system] _1506868=[r, e, m, i, s, e, '4']
   Exit: (204) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '4'])
   Call: (203) [system] _1497572=[p, r, e, m, i, s, e, '4']
   Exit: (203) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '4'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _1477028)
   Call: (203) [system] atom_chars(_1605454, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (203) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise4)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _premise4)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1610118)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1611976)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1620444)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1624234)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1610118=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1452550=[_premise4]
   Exit: (200) [system] [_premise4]=[_premise4]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_premise4])
   Call: (199) [system] _1320106=[_proof4, _premise4]
   Exit: (199) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [_proof4, _premise4])
   Call: (198) [system] _1253740=[:, _proof4, _premise4]
   Exit: (198) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [:, _proof4, _premise4])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof4, _premise4])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1638116)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1639974)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1646784)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1649488)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1658880)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1662594)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1664452)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1672920)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1662594)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1678490)
   Exit: (200) [system] peek_char((0x56051b6b4f40), s)
   Call: (200) [system] s=(;)
^  Call: (200) [user] is_like_space(s)
   Call: (201) [system] char_type(s, 'white')
   Call: (201) [system] char_type(s, end_of_line)
   Call: (201) [system] char_type(s, space)
   Call: (201) [system] char_type(s, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1686958)
   Exit: (199) [system] peek_char((0x56051b6b4f40), s)
   Call: (199) [system] s=')'
   Call: (199) [system] s=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1690672)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1692530)
   Exit: (201) [system] peek_char((0x56051b6b4f40), s)
   Call: (201) [system] s=(;)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1700998)
   Exit: (200) [system] get_char((0x56051b6b4f40), s)
   Call: (200) [system] s='('
   Call: (200) [system] s='['
   Call: (200) [system] s='{'
   Call: (200) [system] s='"'
   Call: (200) [system] s=!
   Call: (200) [system] s='\''
   Call: (200) [system] s='`'
   Call: (200) [system] s=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), s, _1690672)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1711216)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1712150)
   Exit: (202) [system] peek_char((0x56051b6b4f40), y)
^  Call: (202) [user] is_delimiter(y)
   Call: (203) [system] char_type(y, space)
   Call: (203) [system] arg(_1715942, v('(', ')', end_of_file), y)
   Call: (202) [system] ')'==y
   Call: (202) [system] get_char((0x56051b6b4f40), y)
   Exit: (202) [system] get_char((0x56051b6b4f40), y)
   Call: (202) [system] y=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1720512)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1721446)
   Exit: (203) [system] peek_char((0x56051b6b4f40), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_1725238, v('(', ')', end_of_file), n)
   Call: (203) [system] ')'==n
   Call: (203) [system] get_char((0x56051b6b4f40), n)
   Exit: (203) [system] get_char((0x56051b6b4f40), n)
   Call: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1729808)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1730742)
   Exit: (204) [system] peek_char((0x56051b6b4f40), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_1734534, v('(', ')', end_of_file), t)
   Call: (204) [system] ')'==t
   Call: (204) [system] get_char((0x56051b6b4f40), t)
   Exit: (204) [system] get_char((0x56051b6b4f40), t)
   Call: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1739104)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1740038)
   Exit: (205) [system] peek_char((0x56051b6b4f40), h)
^  Call: (205) [user] is_delimiter(h)
   Call: (206) [system] char_type(h, space)
   Call: (206) [system] arg(_1743830, v('(', ')', end_of_file), h)
   Call: (205) [system] ')'==h
   Call: (205) [system] get_char((0x56051b6b4f40), h)
   Exit: (205) [system] get_char((0x56051b6b4f40), h)
   Call: (205) [system] h=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1748400)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1749334)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_1753126, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1757696)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1758630)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1762422, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1766992)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1767926)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1771718, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1776288)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1777222)
   Exit: (209) [system] peek_char((0x56051b6b4f40), z)
^  Call: (209) [user] is_delimiter(z)
   Call: (210) [system] char_type(z, space)
   Call: (210) [system] arg(_1781014, v('(', ')', end_of_file), z)
   Call: (209) [system] ')'==z
   Call: (209) [system] get_char((0x56051b6b4f40), z)
   Exit: (209) [system] get_char((0x56051b6b4f40), z)
   Call: (209) [system] z=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1785584)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1786518)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1790310, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1794880)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1795814)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1794880=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1785584=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (209) [system] _1776288=[z, e]
   Exit: (209) [system] [z, e]=[z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (208) [system] _1766992=[i, z, e]
   Exit: (208) [system] [i, z, e]=[i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (207) [system] _1757696=[s, i, z, e]
   Exit: (207) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (206) [system] _1748400=[e, s, i, z, e]
   Exit: (206) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (205) [system] _1739104=[h, e, s, i, z, e]
   Exit: (205) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (204) [system] _1729808=[t, h, e, s, i, z, e]
   Exit: (204) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (203) [system] _1720512=[n, t, h, e, s, i, z, e]
   Exit: (203) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (202) [system] _1711216=[y, n, t, h, e, s, i, z, e]
   Exit: (202) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (201) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1690672)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1830270, _1830272), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1690672), _1830246, fail)), '$restore_trace'(_1830270, _1830272))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1830270, _1830272))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1830246, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(synthesize)
   Exit: (202) [system] atomic(synthesize)
^  Exit: (201) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1837770)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1839628)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1846438)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1849142)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1858534)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1862248)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1864106)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1872574)
   Exit: (201) [system] get_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1862248)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1878144)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1886612)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1890326)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1892184)
   Exit: (204) [system] peek_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1900652)
   Exit: (203) [system] get_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), :, _1890326)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1910870)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1911804)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1910870=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (204) [user] classify_and_convert_charseq(:, [], _1890326)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1921114, _1921116), once(user:catch(read_from_chars([:], _1890326), _1921090, fail)), '$restore_trace'(_1921114, _1921116))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1921114, _1921116))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1921090, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1928614)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1930472)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1937282)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1939986)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1949378)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1953092)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1954950)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1963418)
   Exit: (204) [system] get_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _1953092)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1973636)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1974570)
   Exit: (206) [system] peek_char((0x56051b6b4f40), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1978362, v('(', ')', end_of_file), p)
   Call: (206) [system] ')'==p
   Call: (206) [system] get_char((0x56051b6b4f40), p)
   Exit: (206) [system] get_char((0x56051b6b4f40), p)
   Call: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1982932)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1983866)
   Exit: (207) [system] peek_char((0x56051b6b4f40), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_1987658, v('(', ')', end_of_file), r)
   Call: (207) [system] ')'==r
   Call: (207) [system] get_char((0x56051b6b4f40), r)
   Exit: (207) [system] get_char((0x56051b6b4f40), r)
   Call: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1992228)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1993162)
   Exit: (208) [system] peek_char((0x56051b6b4f40), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1996954, v('(', ')', end_of_file), o)
   Call: (208) [system] ')'==o
   Call: (208) [system] get_char((0x56051b6b4f40), o)
   Exit: (208) [system] get_char((0x56051b6b4f40), o)
   Call: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2001524)
   Call: (209) [system] peek_char((0x56051b6b4f40), _2002458)
   Exit: (209) [system] peek_char((0x56051b6b4f40), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_2006250, v('(', ')', end_of_file), o)
   Call: (209) [system] ')'==o
   Call: (209) [system] get_char((0x56051b6b4f40), o)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2010820)
   Call: (210) [system] peek_char((0x56051b6b4f40), _2011754)
   Exit: (210) [system] peek_char((0x56051b6b4f40), f)
^  Call: (210) [user] is_delimiter(f)
   Call: (211) [system] char_type(f, space)
   Call: (211) [system] arg(_2015546, v('(', ')', end_of_file), f)
   Call: (210) [system] ')'==f
   Call: (210) [system] get_char((0x56051b6b4f40), f)
   Exit: (210) [system] get_char((0x56051b6b4f40), f)
   Call: (210) [system] f=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2020116)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2021050)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (211) [user] is_delimiter('4')
   Call: (212) [system] char_type('4', space)
   Call: (212) [system] arg(_2024842, v('(', ')', end_of_file), '4')
   Call: (211) [system] ')'=='4'
   Call: (211) [system] get_char((0x56051b6b4f40), '4')
   Exit: (211) [system] get_char((0x56051b6b4f40), '4')
   Call: (211) [system] '4'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2029412)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2030346)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _2029412=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _2020116=['4']
   Exit: (211) [system] ['4']=['4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (210) [system] _2010820=[f, '4']
   Exit: (210) [system] [f, '4']=[f, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '4'])
   Call: (209) [system] _2001524=[o, f, '4']
   Exit: (209) [system] [o, f, '4']=[o, f, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '4'])
   Call: (208) [system] _1992228=[o, o, f, '4']
   Exit: (208) [system] [o, o, f, '4']=[o, o, f, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '4'])
   Call: (207) [system] _1982932=[r, o, o, f, '4']
   Exit: (207) [system] [r, o, o, f, '4']=[r, o, o, f, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '4'])
   Call: (206) [system] _1973636=[p, r, o, o, f, '4']
   Exit: (206) [system] [p, r, o, o, f, '4']=[p, r, o, o, f, '4']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '4'])
^  Call: (205) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _1953092)
   Call: (206) [system] atom_chars(_2056394, ['_', p, r, o, o, f, '4'])
   Exit: (206) [system] atom_chars('_proof4', ['_', p, r, o, o, f, '4'])
^  Exit: (205) [user] classify_and_convert_charseq($, [p, r, o, o, f, '4'], _proof4)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof4)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _proof4)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _2061058)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _2062916)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _2069726)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _2072430)
   Exit: (206) [system] peek_char((0x56051b6b4f40), $)
   Call: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _2081822)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _2085536)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _2087394)
   Exit: (206) [system] peek_char((0x56051b6b4f40), $)
   Call: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _2095862)
   Exit: (205) [system] get_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), $, _4076)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _13310)
   Call: (207) [system] peek_char((0x56051b6b4f40), _14244)
   Exit: (207) [system] peek_char((0x56051b6b4f40), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_18036, v('(', ')', end_of_file), p)
   Call: (207) [system] ')'==p
   Call: (207) [system] get_char((0x56051b6b4f40), p)
   Exit: (207) [system] get_char((0x56051b6b4f40), p)
   Call: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _22606)
   Call: (208) [system] peek_char((0x56051b6b4f40), _23540)
   Exit: (208) [system] peek_char((0x56051b6b4f40), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_27332, v('(', ')', end_of_file), r)
   Call: (208) [system] ')'==r
   Call: (208) [system] get_char((0x56051b6b4f40), r)
   Exit: (208) [system] get_char((0x56051b6b4f40), r)
   Call: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _31902)
   Call: (209) [system] peek_char((0x56051b6b4f40), _32836)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_36628, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _41198)
   Call: (210) [system] peek_char((0x56051b6b4f40), _42132)
   Exit: (210) [system] peek_char((0x56051b6b4f40), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_45924, v('(', ')', end_of_file), m)
   Call: (210) [system] ')'==m
   Call: (210) [system] get_char((0x56051b6b4f40), m)
   Exit: (210) [system] get_char((0x56051b6b4f40), m)
   Call: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _50494)
   Call: (211) [system] peek_char((0x56051b6b4f40), _51428)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_55220, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _59790)
   Call: (212) [system] peek_char((0x56051b6b4f40), _60724)
   Exit: (212) [system] peek_char((0x56051b6b4f40), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_64516, v('(', ')', end_of_file), s)
   Call: (212) [system] ')'==s
   Call: (212) [system] get_char((0x56051b6b4f40), s)
   Exit: (212) [system] get_char((0x56051b6b4f40), s)
   Call: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _69086)
   Call: (213) [system] peek_char((0x56051b6b4f40), _70020)
   Exit: (213) [system] peek_char((0x56051b6b4f40), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_73812, v('(', ')', end_of_file), e)
   Call: (213) [system] ')'==e
   Call: (213) [system] get_char((0x56051b6b4f40), e)
   Exit: (213) [system] get_char((0x56051b6b4f40), e)
   Call: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _78382)
   Call: (214) [system] peek_char((0x56051b6b4f40), _79316)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '4')
^  Call: (214) [user] is_delimiter('4')
   Call: (215) [system] char_type('4', space)
   Call: (215) [system] arg(_83108, v('(', ')', end_of_file), '4')
   Call: (214) [system] ')'=='4'
   Call: (214) [system] get_char((0x56051b6b4f40), '4')
   Exit: (214) [system] get_char((0x56051b6b4f40), '4')
   Call: (214) [system] '4'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _87678)
   Call: (215) [system] peek_char((0x56051b6b4f40), _88612)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_92404, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _87678=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _78382=['4']
   Exit: (214) [system] ['4']=['4']
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['4'])
   Call: (213) [system] _69086=[e, '4']
   Exit: (213) [system] [e, '4']=[e, '4']
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '4'])
   Call: (212) [system] _59790=[s, e, '4']
   Exit: (212) [system] [s, e, '4']=[s, e, '4']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '4'])
   Call: (211) [system] _50494=[i, s, e, '4']
   Exit: (211) [system] [i, s, e, '4']=[i, s, e, '4']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '4'])
   Call: (210) [system] _41198=[m, i, s, e, '4']
   Exit: (210) [system] [m, i, s, e, '4']=[m, i, s, e, '4']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '4'])
   Call: (209) [system] _31902=[e, m, i, s, e, '4']
   Exit: (209) [system] [e, m, i, s, e, '4']=[e, m, i, s, e, '4']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '4'])
   Call: (208) [system] _22606=[r, e, m, i, s, e, '4']
   Exit: (208) [system] [r, e, m, i, s, e, '4']=[r, e, m, i, s, e, '4']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '4'])
   Call: (207) [system] _13310=[p, r, e, m, i, s, e, '4']
   Exit: (207) [system] [p, r, e, m, i, s, e, '4']=[p, r, e, m, i, s, e, '4']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '4'])
^  Call: (206) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _4076)
   Call: (207) [system] atom_chars(_121192, ['_', p, r, e, m, i, s, e, '4'])
   Exit: (207) [system] atom_chars('_premise4', ['_', p, r, e, m, i, s, e, '4'])
^  Exit: (206) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '4'], _premise4)
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise4)
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _premise4)
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _125856)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _127714)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _136182)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _139972)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _125856=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _4072=[_premise4]
   Exit: (204) [system] [_premise4]=[_premise4]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [_premise4])
   Call: (203) [system] _4062=[_proof4, _premise4]
   Exit: (203) [system] [_proof4, _premise4]=[_proof4, _premise4]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [_proof4, _premise4])
   Call: (202) [system] _4054=[:, _proof4, _premise4]
   Exit: (202) [system] [:, _proof4, _premise4]=[:, _proof4, _premise4]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [:, _proof4, _premise4])
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof4, _premise4])
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _153854)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _155712)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _162522)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _165226)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _174618)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _178332)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _180190)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _188658)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _178332)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _198876)
   Call: (204) [system] peek_char((0x56051b6b4f40), _199810)
   Exit: (204) [system] peek_char((0x56051b6b4f40), k)
^  Call: (204) [user] is_delimiter(k)
   Call: (205) [system] char_type(k, space)
   Call: (205) [system] arg(_203602, v('(', ')', end_of_file), k)
   Call: (204) [system] ')'==k
   Call: (204) [system] get_char((0x56051b6b4f40), k)
   Exit: (204) [system] get_char((0x56051b6b4f40), k)
   Call: (204) [system] k=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _208172)
   Call: (205) [system] peek_char((0x56051b6b4f40), _209106)
   Exit: (205) [system] peek_char((0x56051b6b4f40), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_212898, v('(', ')', end_of_file), b)
   Call: (205) [system] ')'==b
   Call: (205) [system] get_char((0x56051b6b4f40), b)
   Exit: (205) [system] get_char((0x56051b6b4f40), b)
   Call: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _217468)
   Call: (206) [system] peek_char((0x56051b6b4f40), _218402)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _217468=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _208172=[b]
   Exit: (205) [system] [b]=[b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (204) [system] _198876=[k, b]
   Exit: (204) [system] [k, b]=[k, b]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (203) [user] classify_and_convert_charseq($, [k, b], _178332)
   Call: (204) [system] atom_chars(_233274, ['_', k, b])
   Exit: (204) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (203) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _237938)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _239796)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _246606)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _249310)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _258702)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _262416)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _264274)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _272742)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _262416)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _282960)
   Call: (205) [system] peek_char((0x56051b6b4f40), _283894)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_287686, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _292256)
   Call: (206) [system] peek_char((0x56051b6b4f40), _293190)
   Exit: (206) [system] peek_char((0x56051b6b4f40), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_296982, v('(', ')', end_of_file), b)
   Call: (206) [system] ')'==b
   Call: (206) [system] get_char((0x56051b6b4f40), b)
   Exit: (206) [system] get_char((0x56051b6b4f40), b)
   Call: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _301552)
   Call: (207) [system] peek_char((0x56051b6b4f40), _302486)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _301552=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _292256=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (205) [system] _282960=[r, b]
   Exit: (205) [system] [r, b]=[r, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (204) [user] classify_and_convert_charseq($, [r, b], _262416)
   Call: (205) [system] atom_chars(_317358, ['_', r, b])
   Exit: (205) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (204) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _322022)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _323880)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _330690)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _333394)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _342786)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _346500)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _348358)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _356826)
   Exit: (204) [system] get_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _346500)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _367044)
   Call: (206) [system] peek_char((0x56051b6b4f40), _367978)
   Exit: (206) [system] peek_char((0x56051b6b4f40), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_371770, v('(', ')', end_of_file), k)
   Call: (206) [system] ')'==k
   Call: (206) [system] get_char((0x56051b6b4f40), k)
   Exit: (206) [system] get_char((0x56051b6b4f40), k)
   Call: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _376340)
   Call: (207) [system] peek_char((0x56051b6b4f40), _377274)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_381066, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _376340=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _367044=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (205) [user] classify_and_convert_charseq($, [k], _346500)
   Call: (206) [system] atom_chars(_390296, ['_', k])
   Exit: (206) [system] atom_chars('_k', ['_', k])
^  Exit: (205) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _394960)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _396818)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _405286)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _409076)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _394960=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _322022=[_k]
   Exit: (203) [system] [_k]=[_k]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (202) [system] _237938=[_rb, _k]
   Exit: (202) [system] [_rb, _k]=[_rb, _k]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (201) [system] _153854=[_kb, _rb, _k]
   Exit: (201) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (200) [system] _4050=[[:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (200) [system] [[:, _proof4, _premise4], _kb, _rb, _k]=[[:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [[:, _proof4, _premise4], _kb, _rb, _k])
   Call: (199) [system] _4042=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
   Exit: (199) [system] [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]=[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _428546)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _430404)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _438872)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _442662)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _428546=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _4038=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (197) [system] [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (196) [system] _4004=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
   Exit: (196) [system] [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]=[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _453750)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _455608)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (196) [system] '\n'=(;)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x56051b6b4f40), _463224)
   Exit: (196) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _465928)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _472738)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _475442)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _482252)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _484956)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _491766)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _494470)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _501280)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _503984)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _510794)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _513498)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _520308)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _523012)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _529822)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _532526)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _539336)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _542040)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _548850)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _551554)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _558364)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _561068)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _579700)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _583414)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _585272)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _593740)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _583414)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _599310)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _607778)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _611492)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _613350)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _621818)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _611492)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _627388)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _635856)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _639570)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _641428)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _649896)
   Exit: (200) [system] get_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, _639570)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _660114)
   Call: (202) [system] peek_char((0x56051b6b4f40), _661048)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _660114=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _639570)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_670358, _670360), once(user:catch(read_from_chars([:], _639570), _670334, fail)), '$restore_trace'(_670358, _670360))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_670358, _670360))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _670334, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _677858)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _679716)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _686526)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _689230)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _698622)
   Exit: (200) [system] peek_char((0x56051b6b4f40), $)
   Call: (200) [system] ($)=')'
   Call: (200) [system] ($)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _702336)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _704194)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=(;)
^  Call: (202) [user] is_like_space($)
   Call: (203) [system] char_type($, 'white')
   Call: (203) [system] char_type($, end_of_line)
   Call: (203) [system] char_type($, space)
   Call: (203) [system] char_type($, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _712662)
   Exit: (201) [system] get_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)='('
   Call: (201) [system] ($)='['
   Call: (201) [system] ($)='{'
   Call: (201) [system] ($)='"'
   Call: (201) [system] ($)=!
   Call: (201) [system] ($)='\''
   Call: (201) [system] ($)='`'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _702336)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _722880)
   Call: (203) [system] peek_char((0x56051b6b4f40), _723814)
   Exit: (203) [system] peek_char((0x56051b6b4f40), p)
^  Call: (203) [user] is_delimiter(p)
   Call: (204) [system] char_type(p, space)
   Call: (204) [system] arg(_727606, v('(', ')', end_of_file), p)
   Call: (203) [system] ')'==p
   Call: (203) [system] get_char((0x56051b6b4f40), p)
   Exit: (203) [system] get_char((0x56051b6b4f40), p)
   Call: (203) [system] p=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _732176)
   Call: (204) [system] peek_char((0x56051b6b4f40), _733110)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_736902, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _741472)
   Call: (205) [system] peek_char((0x56051b6b4f40), _742406)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_746198, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _750768)
   Call: (206) [system] peek_char((0x56051b6b4f40), _751702)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_755494, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _760064)
   Call: (207) [system] peek_char((0x56051b6b4f40), _760998)
   Exit: (207) [system] peek_char((0x56051b6b4f40), f)
^  Call: (207) [user] is_delimiter(f)
   Call: (208) [system] char_type(f, space)
   Call: (208) [system] arg(_764790, v('(', ')', end_of_file), f)
   Call: (207) [system] ')'==f
   Call: (207) [system] get_char((0x56051b6b4f40), f)
   Exit: (207) [system] get_char((0x56051b6b4f40), f)
   Call: (207) [system] f=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _769360)
   Call: (208) [system] peek_char((0x56051b6b4f40), _770294)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '5')
^  Call: (208) [user] is_delimiter('5')
   Call: (209) [system] char_type('5', space)
   Call: (209) [system] arg(_774086, v('(', ')', end_of_file), '5')
   Call: (208) [system] ')'=='5'
   Call: (208) [system] get_char((0x56051b6b4f40), '5')
   Exit: (208) [system] get_char((0x56051b6b4f40), '5')
   Call: (208) [system] '5'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _778656)
   Call: (209) [system] peek_char((0x56051b6b4f40), _779590)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _778656=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _769360=['5']
   Exit: (208) [system] ['5']=['5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['5'])
   Call: (207) [system] _760064=[f, '5']
   Exit: (207) [system] [f, '5']=[f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '5'])
   Call: (206) [system] _750768=[o, f, '5']
   Exit: (206) [system] [o, f, '5']=[o, f, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '5'])
   Call: (205) [system] _741472=[o, o, f, '5']
   Exit: (205) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '5'])
   Call: (204) [system] _732176=[r, o, o, f, '5']
   Exit: (204) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '5'])
   Call: (203) [system] _722880=[p, r, o, o, f, '5']
   Exit: (203) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '5'])
^  Call: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _702336)
   Call: (203) [system] atom_chars(_805638, ['_', p, r, o, o, f, '5'])
   Exit: (203) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (202) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _proof5)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof5)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _proof5)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _810302)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _812160)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _818970)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _821674)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _831066)
   Exit: (201) [system] peek_char((0x56051b6b4f40), $)
   Call: (201) [system] ($)=')'
   Call: (201) [system] ($)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _834780)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _836638)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=(;)
^  Call: (203) [user] is_like_space($)
   Call: (204) [system] char_type($, 'white')
   Call: (204) [system] char_type($, end_of_line)
   Call: (204) [system] char_type($, space)
   Call: (204) [system] char_type($, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _845106)
   Exit: (202) [system] get_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)='('
   Call: (202) [system] ($)='['
   Call: (202) [system] ($)='{'
   Call: (202) [system] ($)='"'
   Call: (202) [system] ($)=!
   Call: (202) [system] ($)='\''
   Call: (202) [system] ($)='`'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _834780)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _855324)
   Call: (204) [system] peek_char((0x56051b6b4f40), _856258)
   Exit: (204) [system] peek_char((0x56051b6b4f40), p)
^  Call: (204) [user] is_delimiter(p)
   Call: (205) [system] char_type(p, space)
   Call: (205) [system] arg(_860050, v('(', ')', end_of_file), p)
   Call: (204) [system] ')'==p
   Call: (204) [system] get_char((0x56051b6b4f40), p)
   Exit: (204) [system] get_char((0x56051b6b4f40), p)
   Call: (204) [system] p=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _864620)
   Call: (205) [system] peek_char((0x56051b6b4f40), _865554)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_869346, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _873916)
   Call: (206) [system] peek_char((0x56051b6b4f40), _874850)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_878642, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _883212)
   Call: (207) [system] peek_char((0x56051b6b4f40), _884146)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_887938, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _892508)
   Call: (208) [system] peek_char((0x56051b6b4f40), _893442)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_897234, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _901804)
   Call: (209) [system] peek_char((0x56051b6b4f40), _902738)
   Exit: (209) [system] peek_char((0x56051b6b4f40), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_906530, v('(', ')', end_of_file), s)
   Call: (209) [system] ')'==s
   Call: (209) [system] get_char((0x56051b6b4f40), s)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _911100)
   Call: (210) [system] peek_char((0x56051b6b4f40), _912034)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_915826, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _920396)
   Call: (211) [system] peek_char((0x56051b6b4f40), _921330)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '5')
^  Call: (211) [user] is_delimiter('5')
   Call: (212) [system] char_type('5', space)
   Call: (212) [system] arg(_925122, v('(', ')', end_of_file), '5')
   Call: (211) [system] ')'=='5'
   Call: (211) [system] get_char((0x56051b6b4f40), '5')
   Exit: (211) [system] get_char((0x56051b6b4f40), '5')
   Call: (211) [system] '5'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _929692)
   Call: (212) [system] peek_char((0x56051b6b4f40), _930626)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_934418, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _929692=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _920396=['5']
   Exit: (211) [system] ['5']=['5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['5'])
   Call: (210) [system] _911100=[e, '5']
   Exit: (210) [system] [e, '5']=[e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '5'])
   Call: (209) [system] _901804=[s, e, '5']
   Exit: (209) [system] [s, e, '5']=[s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '5'])
   Call: (208) [system] _892508=[i, s, e, '5']
   Exit: (208) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '5'])
   Call: (207) [system] _883212=[m, i, s, e, '5']
   Exit: (207) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '5'])
   Call: (206) [system] _873916=[e, m, i, s, e, '5']
   Exit: (206) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '5'])
   Call: (205) [system] _864620=[r, e, m, i, s, e, '5']
   Exit: (205) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '5'])
   Call: (204) [system] _855324=[p, r, e, m, i, s, e, '5']
   Exit: (204) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '5'])
^  Call: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _834780)
   Call: (204) [system] atom_chars(_963206, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (204) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (203) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise5)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _premise5)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _967870)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _969728)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _978196)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _981986)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _967870=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _810302=[_premise5]
   Exit: (201) [system] [_premise5]=[_premise5]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [_premise5])
   Call: (200) [system] _677858=[_proof5, _premise5]
   Exit: (200) [system] [_proof5, _premise5]=[_proof5, _premise5]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [_proof5, _premise5])
   Call: (199) [system] _611492=[:, _proof5, _premise5]
   Exit: (199) [system] [:, _proof5, _premise5]=[:, _proof5, _premise5]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [:, _proof5, _premise5])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof5, _premise5])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _995868)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _997726)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1004536)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1007240)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1016632)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1020346)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1022204)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1030672)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1020346)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1036242)
   Exit: (201) [system] peek_char((0x56051b6b4f40), s)
   Call: (201) [system] s=(;)
^  Call: (201) [user] is_like_space(s)
   Call: (202) [system] char_type(s, 'white')
   Call: (202) [system] char_type(s, end_of_line)
   Call: (202) [system] char_type(s, space)
   Call: (202) [system] char_type(s, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1044710)
   Exit: (200) [system] peek_char((0x56051b6b4f40), s)
   Call: (200) [system] s=')'
   Call: (200) [system] s=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1048424)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1050282)
   Exit: (202) [system] peek_char((0x56051b6b4f40), s)
   Call: (202) [system] s=(;)
^  Call: (202) [user] is_like_space(s)
   Call: (203) [system] char_type(s, 'white')
   Call: (203) [system] char_type(s, end_of_line)
   Call: (203) [system] char_type(s, space)
   Call: (203) [system] char_type(s, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1058750)
   Exit: (201) [system] get_char((0x56051b6b4f40), s)
   Call: (201) [system] s='('
   Call: (201) [system] s='['
   Call: (201) [system] s='{'
   Call: (201) [system] s='"'
   Call: (201) [system] s=!
   Call: (201) [system] s='\''
   Call: (201) [system] s='`'
   Call: (201) [system] s=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), s, _1048424)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1068968)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1069902)
   Exit: (203) [system] peek_char((0x56051b6b4f40), y)
^  Call: (203) [user] is_delimiter(y)
   Call: (204) [system] char_type(y, space)
   Call: (204) [system] arg(_1073694, v('(', ')', end_of_file), y)
   Call: (203) [system] ')'==y
   Call: (203) [system] get_char((0x56051b6b4f40), y)
   Exit: (203) [system] get_char((0x56051b6b4f40), y)
   Call: (203) [system] y=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1078264)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1079198)
   Exit: (204) [system] peek_char((0x56051b6b4f40), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_1082990, v('(', ')', end_of_file), n)
   Call: (204) [system] ')'==n
   Call: (204) [system] get_char((0x56051b6b4f40), n)
   Exit: (204) [system] get_char((0x56051b6b4f40), n)
   Call: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1087560)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1088494)
   Exit: (205) [system] peek_char((0x56051b6b4f40), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1092286, v('(', ')', end_of_file), t)
   Call: (205) [system] ')'==t
   Call: (205) [system] get_char((0x56051b6b4f40), t)
   Exit: (205) [system] get_char((0x56051b6b4f40), t)
   Call: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1096856)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1097790)
   Exit: (206) [system] peek_char((0x56051b6b4f40), h)
^  Call: (206) [user] is_delimiter(h)
   Call: (207) [system] char_type(h, space)
   Call: (207) [system] arg(_1101582, v('(', ')', end_of_file), h)
   Call: (206) [system] ')'==h
   Call: (206) [system] get_char((0x56051b6b4f40), h)
   Exit: (206) [system] get_char((0x56051b6b4f40), h)
   Call: (206) [system] h=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1106152)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1107086)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_1110878, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1115448)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1116382)
   Exit: (208) [system] peek_char((0x56051b6b4f40), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1120174, v('(', ')', end_of_file), s)
   Call: (208) [system] ')'==s
   Call: (208) [system] get_char((0x56051b6b4f40), s)
   Exit: (208) [system] get_char((0x56051b6b4f40), s)
   Call: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1124744)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1125678)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1129470, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1134040)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1134974)
   Exit: (210) [system] peek_char((0x56051b6b4f40), z)
^  Call: (210) [user] is_delimiter(z)
   Call: (211) [system] char_type(z, space)
   Call: (211) [system] arg(_1138766, v('(', ')', end_of_file), z)
   Call: (210) [system] ')'==z
   Call: (210) [system] get_char((0x56051b6b4f40), z)
   Exit: (210) [system] get_char((0x56051b6b4f40), z)
   Call: (210) [system] z=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1143336)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1144270)
   Exit: (211) [system] peek_char((0x56051b6b4f40), e)
^  Call: (211) [user] is_delimiter(e)
   Call: (212) [system] char_type(e, space)
   Call: (212) [system] arg(_1148062, v('(', ')', end_of_file), e)
   Call: (211) [system] ')'==e
   Call: (211) [system] get_char((0x56051b6b4f40), e)
   Exit: (211) [system] get_char((0x56051b6b4f40), e)
   Call: (211) [system] e=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1152632)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1153566)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1152632=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _1143336=[e]
   Exit: (211) [system] [e]=[e]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (210) [system] _1134040=[z, e]
   Exit: (210) [system] [z, e]=[z, e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (209) [system] _1124744=[i, z, e]
   Exit: (209) [system] [i, z, e]=[i, z, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (208) [system] _1115448=[s, i, z, e]
   Exit: (208) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (207) [system] _1106152=[e, s, i, z, e]
   Exit: (207) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (206) [system] _1096856=[h, e, s, i, z, e]
   Exit: (206) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (205) [system] _1087560=[t, h, e, s, i, z, e]
   Exit: (205) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (204) [system] _1078264=[n, t, h, e, s, i, z, e]
   Exit: (204) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (203) [system] _1068968=[y, n, t, h, e, s, i, z, e]
   Exit: (203) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (202) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1048424)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1188022, _1188024), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1048424), _1187998, fail)), '$restore_trace'(_1188022, _1188024))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1188022, _1188024))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1187998, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(synthesize)
   Exit: (203) [system] atomic(synthesize)
^  Exit: (202) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1195522)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1197380)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1204190)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1206894)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1216286)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1220000)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1221858)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1230326)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1220000)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1235896)
   Exit: (204) [system] peek_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1244364)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1248078)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1249936)
   Exit: (205) [system] peek_char((0x56051b6b4f40), :)
   Call: (205) [system] (:)=(;)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1258404)
   Exit: (204) [system] get_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), :, _1248078)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1268622)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1269556)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1268622=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (205) [user] classify_and_convert_charseq(:, [], _1248078)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1278866, _1278868), once(user:catch(read_from_chars([:], _1248078), _1278842, fail)), '$restore_trace'(_1278866, _1278868))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1278866, _1278868))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1278842, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1286366)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1288224)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1295034)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1297738)
   Exit: (206) [system] peek_char((0x56051b6b4f40), $)
   Call: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1307130)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1310844)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1312702)
   Exit: (206) [system] peek_char((0x56051b6b4f40), $)
   Call: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1321170)
   Exit: (205) [system] get_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), $, _1310844)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1331388)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1332322)
   Exit: (207) [system] peek_char((0x56051b6b4f40), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1336114, v('(', ')', end_of_file), p)
   Call: (207) [system] ')'==p
   Call: (207) [system] get_char((0x56051b6b4f40), p)
   Exit: (207) [system] get_char((0x56051b6b4f40), p)
   Call: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1340684)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1341618)
   Exit: (208) [system] peek_char((0x56051b6b4f40), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_1345410, v('(', ')', end_of_file), r)
   Call: (208) [system] ')'==r
   Call: (208) [system] get_char((0x56051b6b4f40), r)
   Exit: (208) [system] get_char((0x56051b6b4f40), r)
   Call: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1349980)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1350914)
   Exit: (209) [system] peek_char((0x56051b6b4f40), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1354706, v('(', ')', end_of_file), o)
   Call: (209) [system] ')'==o
   Call: (209) [system] get_char((0x56051b6b4f40), o)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1359276)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1360210)
   Exit: (210) [system] peek_char((0x56051b6b4f40), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1364002, v('(', ')', end_of_file), o)
   Call: (210) [system] ')'==o
   Call: (210) [system] get_char((0x56051b6b4f40), o)
   Exit: (210) [system] get_char((0x56051b6b4f40), o)
   Call: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1368572)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1369506)
   Exit: (211) [system] peek_char((0x56051b6b4f40), f)
^  Call: (211) [user] is_delimiter(f)
   Call: (212) [system] char_type(f, space)
   Call: (212) [system] arg(_1373298, v('(', ')', end_of_file), f)
   Call: (211) [system] ')'==f
   Call: (211) [system] get_char((0x56051b6b4f40), f)
   Exit: (211) [system] get_char((0x56051b6b4f40), f)
   Call: (211) [system] f=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1377868)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1378802)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '5')
^  Call: (212) [user] is_delimiter('5')
   Call: (213) [system] char_type('5', space)
   Call: (213) [system] arg(_1382594, v('(', ')', end_of_file), '5')
   Call: (212) [system] ')'=='5'
   Call: (212) [system] get_char((0x56051b6b4f40), '5')
   Exit: (212) [system] get_char((0x56051b6b4f40), '5')
   Call: (212) [system] '5'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1387164)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1388098)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1387164=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _1377868=['5']
   Exit: (212) [system] ['5']=['5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['5'])
   Call: (211) [system] _1368572=[f, '5']
   Exit: (211) [system] [f, '5']=[f, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, '5'])
   Call: (210) [system] _1359276=[o, f, '5']
   Exit: (210) [system] [o, f, '5']=[o, f, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, f, '5'])
   Call: (209) [system] _1349980=[o, o, f, '5']
   Exit: (209) [system] [o, o, f, '5']=[o, o, f, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, o, f, '5'])
   Call: (208) [system] _1340684=[r, o, o, f, '5']
   Exit: (208) [system] [r, o, o, f, '5']=[r, o, o, f, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, o, f, '5'])
   Call: (207) [system] _1331388=[p, r, o, o, f, '5']
   Exit: (207) [system] [p, r, o, o, f, '5']=[p, r, o, o, f, '5']
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, o, o, f, '5'])
^  Call: (206) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _1310844)
   Call: (207) [system] atom_chars(_1414146, ['_', p, r, o, o, f, '5'])
   Exit: (207) [system] atom_chars('_proof5', ['_', p, r, o, o, f, '5'])
^  Exit: (206) [user] classify_and_convert_charseq($, [p, r, o, o, f, '5'], _proof5)
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), $, _proof5)
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _proof5)
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1418810)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1420668)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _1427478)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1430182)
   Exit: (207) [system] peek_char((0x56051b6b4f40), $)
   Call: (207) [system] ($)=(;)
^  Call: (207) [user] is_like_space($)
   Call: (208) [system] char_type($, 'white')
   Call: (208) [system] char_type($, end_of_line)
   Call: (208) [system] char_type($, space)
   Call: (208) [system] char_type($, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1439574)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=')'
   Call: (205) [system] ($)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1443288)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1445146)
   Exit: (207) [system] peek_char((0x56051b6b4f40), $)
   Call: (207) [system] ($)=(;)
^  Call: (207) [user] is_like_space($)
   Call: (208) [system] char_type($, 'white')
   Call: (208) [system] char_type($, end_of_line)
   Call: (208) [system] char_type($, space)
   Call: (208) [system] char_type($, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1453614)
   Exit: (206) [system] get_char((0x56051b6b4f40), $)
   Call: (206) [system] ($)='('
   Call: (206) [system] ($)='['
   Call: (206) [system] ($)='{'
   Call: (206) [system] ($)='"'
   Call: (206) [system] ($)=!
   Call: (206) [system] ($)='\''
   Call: (206) [system] ($)='`'
   Call: (206) [system] ($)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), $, _1443288)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1463832)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1464766)
   Exit: (208) [system] peek_char((0x56051b6b4f40), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1468558, v('(', ')', end_of_file), p)
   Call: (208) [system] ')'==p
   Call: (208) [system] get_char((0x56051b6b4f40), p)
   Exit: (208) [system] get_char((0x56051b6b4f40), p)
   Call: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1473128)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1474062)
   Exit: (209) [system] peek_char((0x56051b6b4f40), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_1477854, v('(', ')', end_of_file), r)
   Call: (209) [system] ')'==r
   Call: (209) [system] get_char((0x56051b6b4f40), r)
   Exit: (209) [system] get_char((0x56051b6b4f40), r)
   Call: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1482424)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1483358)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1487150, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1491720)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1492654)
   Exit: (211) [system] peek_char((0x56051b6b4f40), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1496446, v('(', ')', end_of_file), m)
   Call: (211) [system] ')'==m
   Call: (211) [system] get_char((0x56051b6b4f40), m)
   Exit: (211) [system] get_char((0x56051b6b4f40), m)
   Call: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1501016)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1501950)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1505742, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1510312)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1511246)
   Exit: (213) [system] peek_char((0x56051b6b4f40), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_1515038, v('(', ')', end_of_file), s)
   Call: (213) [system] ')'==s
   Call: (213) [system] get_char((0x56051b6b4f40), s)
   Exit: (213) [system] get_char((0x56051b6b4f40), s)
   Call: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1519608)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1520542)
   Exit: (214) [system] peek_char((0x56051b6b4f40), e)
^  Call: (214) [user] is_delimiter(e)
   Call: (215) [system] char_type(e, space)
   Call: (215) [system] arg(_1524334, v('(', ')', end_of_file), e)
   Call: (214) [system] ')'==e
   Call: (214) [system] get_char((0x56051b6b4f40), e)
   Exit: (214) [system] get_char((0x56051b6b4f40), e)
   Call: (214) [system] e=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1528904)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1529838)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '5')
^  Call: (215) [user] is_delimiter('5')
   Call: (216) [system] char_type('5', space)
   Call: (216) [system] arg(_1533630, v('(', ')', end_of_file), '5')
   Call: (215) [system] ')'=='5'
   Call: (215) [system] get_char((0x56051b6b4f40), '5')
   Exit: (215) [system] get_char((0x56051b6b4f40), '5')
   Call: (215) [system] '5'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1538200)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1539134)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1542926, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1538200=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1528904=['5']
   Exit: (215) [system] ['5']=['5']
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['5'])
   Call: (214) [system] _1519608=[e, '5']
   Exit: (214) [system] [e, '5']=[e, '5']
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, '5'])
   Call: (213) [system] _1510312=[s, e, '5']
   Exit: (213) [system] [s, e, '5']=[s, e, '5']
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, '5'])
   Call: (212) [system] _1501016=[i, s, e, '5']
   Exit: (212) [system] [i, s, e, '5']=[i, s, e, '5']
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, e, '5'])
   Call: (211) [system] _1491720=[m, i, s, e, '5']
   Exit: (211) [system] [m, i, s, e, '5']=[m, i, s, e, '5']
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, s, e, '5'])
   Call: (210) [system] _1482424=[e, m, i, s, e, '5']
   Exit: (210) [system] [e, m, i, s, e, '5']=[e, m, i, s, e, '5']
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, m, i, s, e, '5'])
   Call: (209) [system] _1473128=[r, e, m, i, s, e, '5']
   Exit: (209) [system] [r, e, m, i, s, e, '5']=[r, e, m, i, s, e, '5']
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, e, m, i, s, e, '5'])
   Call: (208) [system] _1463832=[p, r, e, m, i, s, e, '5']
   Exit: (208) [system] [p, r, e, m, i, s, e, '5']=[p, r, e, m, i, s, e, '5']
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, r, e, m, i, s, e, '5'])
^  Call: (207) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _1443288)
   Call: (208) [system] atom_chars(_1571714, ['_', p, r, e, m, i, s, e, '5'])
   Exit: (208) [system] atom_chars('_premise5', ['_', p, r, e, m, i, s, e, '5'])
^  Exit: (207) [user] classify_and_convert_charseq($, [p, r, e, m, i, s, e, '5'], _premise5)
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), $, _premise5)
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _premise5)
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1576378)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1578236)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1586704)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _1590494)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _1576378=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1418810=[_premise5]
   Exit: (205) [system] [_premise5]=[_premise5]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [_premise5])
   Call: (204) [system] _1286366=[_proof5, _premise5]
   Exit: (204) [system] [_proof5, _premise5]=[_proof5, _premise5]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [_proof5, _premise5])
   Call: (203) [system] _1220000=[:, _proof5, _premise5]
   Exit: (203) [system] [:, _proof5, _premise5]=[:, _proof5, _premise5]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [:, _proof5, _premise5])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _proof5, _premise5])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1604376)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1606234)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1613044)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1615748)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1625140)
   Exit: (202) [system] peek_char((0x56051b6b4f40), $)
   Call: (202) [system] ($)=')'
   Call: (202) [system] ($)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1628854)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1630712)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=(;)
^  Call: (204) [user] is_like_space($)
   Call: (205) [system] char_type($, 'white')
   Call: (205) [system] char_type($, end_of_line)
   Call: (205) [system] char_type($, space)
   Call: (205) [system] char_type($, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1639180)
   Exit: (203) [system] get_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)='('
   Call: (203) [system] ($)='['
   Call: (203) [system] ($)='{'
   Call: (203) [system] ($)='"'
   Call: (203) [system] ($)=!
   Call: (203) [system] ($)='\''
   Call: (203) [system] ($)='`'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _1628854)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1649398)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1650332)
   Exit: (205) [system] peek_char((0x56051b6b4f40), k)
^  Call: (205) [user] is_delimiter(k)
   Call: (206) [system] char_type(k, space)
   Call: (206) [system] arg(_1654124, v('(', ')', end_of_file), k)
   Call: (205) [system] ')'==k
   Call: (205) [system] get_char((0x56051b6b4f40), k)
   Exit: (205) [system] get_char((0x56051b6b4f40), k)
   Call: (205) [system] k=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1658694)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1659628)
   Exit: (206) [system] peek_char((0x56051b6b4f40), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_1663420, v('(', ')', end_of_file), b)
   Call: (206) [system] ')'==b
   Call: (206) [system] get_char((0x56051b6b4f40), b)
   Exit: (206) [system] get_char((0x56051b6b4f40), b)
   Call: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1667990)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1668924)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1667990=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1658694=[b]
   Exit: (206) [system] [b]=[b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (205) [system] _1649398=[k, b]
   Exit: (205) [system] [k, b]=[k, b]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k, b])
^  Call: (204) [user] classify_and_convert_charseq($, [k, b], _1628854)
   Call: (205) [system] atom_chars(_1683796, ['_', k, b])
   Exit: (205) [system] atom_chars('_kb', ['_', k, b])
^  Exit: (204) [user] classify_and_convert_charseq($, [k, b], _kb)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), $, _kb)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _kb)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1688460)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1690318)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1697128)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1699832)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1709224)
   Exit: (203) [system] peek_char((0x56051b6b4f40), $)
   Call: (203) [system] ($)=')'
   Call: (203) [system] ($)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1712938)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1714796)
   Exit: (205) [system] peek_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)=(;)
^  Call: (205) [user] is_like_space($)
   Call: (206) [system] char_type($, 'white')
   Call: (206) [system] char_type($, end_of_line)
   Call: (206) [system] char_type($, space)
   Call: (206) [system] char_type($, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1723264)
   Exit: (204) [system] get_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)='('
   Call: (204) [system] ($)='['
   Call: (204) [system] ($)='{'
   Call: (204) [system] ($)='"'
   Call: (204) [system] ($)=!
   Call: (204) [system] ($)='\''
   Call: (204) [system] ($)='`'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _1712938)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1733482)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1734416)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_1738208, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1742778)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1743712)
   Exit: (207) [system] peek_char((0x56051b6b4f40), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_1747504, v('(', ')', end_of_file), b)
   Call: (207) [system] ')'==b
   Call: (207) [system] get_char((0x56051b6b4f40), b)
   Exit: (207) [system] get_char((0x56051b6b4f40), b)
   Call: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1752074)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1753008)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1752074=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1742778=[b]
   Exit: (207) [system] [b]=[b]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
   Call: (206) [system] _1733482=[r, b]
   Exit: (206) [system] [r, b]=[r, b]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, b])
^  Call: (205) [user] classify_and_convert_charseq($, [r, b], _1712938)
   Call: (206) [system] atom_chars(_1767880, ['_', r, b])
   Exit: (206) [system] atom_chars('_rb', ['_', r, b])
^  Exit: (205) [user] classify_and_convert_charseq($, [r, b], _rb)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), $, _rb)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _rb)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1772544)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1774402)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1781212)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1783916)
   Exit: (206) [system] peek_char((0x56051b6b4f40), $)
   Call: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1793308)
   Exit: (204) [system] peek_char((0x56051b6b4f40), $)
   Call: (204) [system] ($)=')'
   Call: (204) [system] ($)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1797022)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1798880)
   Exit: (206) [system] peek_char((0x56051b6b4f40), $)
   Call: (206) [system] ($)=(;)
^  Call: (206) [user] is_like_space($)
   Call: (207) [system] char_type($, 'white')
   Call: (207) [system] char_type($, end_of_line)
   Call: (207) [system] char_type($, space)
   Call: (207) [system] char_type($, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1807348)
   Exit: (205) [system] get_char((0x56051b6b4f40), $)
   Call: (205) [system] ($)='('
   Call: (205) [system] ($)='['
   Call: (205) [system] ($)='{'
   Call: (205) [system] ($)='"'
   Call: (205) [system] ($)=!
   Call: (205) [system] ($)='\''
   Call: (205) [system] ($)='`'
   Call: (205) [system] ($)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), $, _1797022)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1817566)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1818500)
   Exit: (207) [system] peek_char((0x56051b6b4f40), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_1822292, v('(', ')', end_of_file), k)
   Call: (207) [system] ')'==k
   Call: (207) [system] get_char((0x56051b6b4f40), k)
   Exit: (207) [system] get_char((0x56051b6b4f40), k)
   Call: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1826862)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1827796)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_1831588, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _1826862=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1817566=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
^  Call: (206) [user] classify_and_convert_charseq($, [k], _1797022)
   Call: (207) [system] atom_chars(_1840818, ['_', k])
   Exit: (207) [system] atom_chars('_k', ['_', k])
^  Exit: (206) [user] classify_and_convert_charseq($, [k], _k)
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), $, _k)
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _k)
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1845482)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1847340)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1855808)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _1859598)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _1845482=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1772544=[_k]
   Exit: (204) [system] [_k]=[_k]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [_k])
   Call: (203) [system] _1688460=[_rb, _k]
   Exit: (203) [system] [_rb, _k]=[_rb, _k]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [_rb, _k])
   Call: (202) [system] _1604376=[_kb, _rb, _k]
   Exit: (202) [system] [_kb, _rb, _k]=[_kb, _rb, _k]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [_kb, _rb, _k])
   Call: (201) [system] _1195522=[[:, _proof5, _premise5], _kb, _rb, _k]
   Exit: (201) [system] [[:, _proof5, _premise5], _kb, _rb, _k]=[[:, _proof5, _premise5], _kb, _rb, _k]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [[:, _proof5, _premise5], _kb, _rb, _k])
   Call: (200) [system] _1020346=[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]
   Exit: (200) [system] [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]=[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _proof5, _premise5], _kb, _rb, _k])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _proof5, _premise5], _kb, _rb, _k])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1879068)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1880926)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1889394)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x56051b6b4f40), _1893184)
   Exit: (199) [system] get_char((0x56051b6b4f40), ')')
   Call: (199) [system] _1879068=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (198) [system] _995868=[[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
   Exit: (198) [system] [[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]=[[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
   Call: (197) [system] _583414=[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
   Exit: (197) [system] [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]=[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1904272)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1906130)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1914598)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1918388)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1904272=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _453750=[[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (195) [system] [[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (194) [system] _4000=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (194) [system] [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (193) [system] _3888=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (193) [system] [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (192) [system] _3776=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (192) [system] [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (191) [system] _3664=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (191) [system] [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (190) [system] _3560=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (190) [system] [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [[[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
   Call: (189) [system] _3442=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
   Exit: (189) [system] [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]=[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]])
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1943446)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1945304)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (189) [system] '\n'=(;)
^  Call: (189) [user] is_like_space('\n')
   Call: (190) [system] char_type('\n', 'white')
   Call: (190) [system] char_type('\n', end_of_line)
   Exit: (190) [system] char_type('\n', end_of_line)
^  Exit: (189) [user] is_like_space('\n')
   Call: (189) [system] get_char((0x56051b6b4f40), _1952920)
   Exit: (189) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1955624)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _1962434)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1965138)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _1971948)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1974652)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1981462)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1984166)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1990976)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1993680)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _2000490)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _2003194)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _2017206)
   Exit: (188) [system] peek_char((0x56051b6b4f40), $)
   Call: (188) [system] ($)=')'
   Call: (188) [system] ($)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _2020920)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _2022778)
   Exit: (190) [system] peek_char((0x56051b6b4f40), $)
   Call: (190) [system] ($)=(;)
^  Call: (190) [user] is_like_space($)
   Call: (191) [system] char_type($, 'white')
   Call: (191) [system] char_type($, end_of_line)
   Call: (191) [system] char_type($, space)
   Call: (191) [system] char_type($, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _2031246)
   Exit: (189) [system] get_char((0x56051b6b4f40), $)
   Call: (189) [system] ($)='('
   Call: (189) [system] ($)='['
   Call: (189) [system] ($)='{'
   Call: (189) [system] ($)='"'
   Call: (189) [system] ($)=!
   Call: (189) [system] ($)='\''
   Call: (189) [system] ($)='`'
   Call: (189) [system] ($)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _2020920)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2041464)
   Call: (191) [system] peek_char((0x56051b6b4f40), _2042398)
   Exit: (191) [system] peek_char((0x56051b6b4f40), q)
^  Call: (191) [user] is_delimiter(q)
   Call: (192) [system] char_type(q, space)
   Call: (192) [system] arg(_2046190, v('(', ')', end_of_file), q)
   Call: (191) [system] ')'==q
   Call: (191) [system] get_char((0x56051b6b4f40), q)
   Exit: (191) [system] get_char((0x56051b6b4f40), q)
   Call: (191) [system] q=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2050760)
   Call: (192) [system] peek_char((0x56051b6b4f40), _2051694)
   Exit: (192) [system] peek_char((0x56051b6b4f40), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_2055486, v('(', ')', end_of_file), u)
   Call: (192) [system] ')'==u
   Call: (192) [system] get_char((0x56051b6b4f40), u)
   Exit: (192) [system] get_char((0x56051b6b4f40), u)
   Call: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2060056)
   Call: (193) [system] peek_char((0x56051b6b4f40), _2060990)
   Exit: (193) [system] peek_char((0x56051b6b4f40), e)
^  Call: (193) [user] is_delimiter(e)
   Call: (194) [system] char_type(e, space)
   Call: (194) [system] arg(_2064782, v('(', ')', end_of_file), e)
   Call: (193) [system] ')'==e
   Call: (193) [system] get_char((0x56051b6b4f40), e)
   Exit: (193) [system] get_char((0x56051b6b4f40), e)
   Call: (193) [system] e=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2069352)
   Call: (194) [system] peek_char((0x56051b6b4f40), _2070286)
   Exit: (194) [system] peek_char((0x56051b6b4f40), r)
^  Call: (194) [user] is_delimiter(r)
   Call: (195) [system] char_type(r, space)
   Call: (195) [system] arg(_2074078, v('(', ')', end_of_file), r)
   Call: (194) [system] ')'==r
   Call: (194) [system] get_char((0x56051b6b4f40), r)
   Exit: (194) [system] get_char((0x56051b6b4f40), r)
   Call: (194) [system] r=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2078648)
   Call: (195) [system] peek_char((0x56051b6b4f40), _2079582)
   Exit: (195) [system] peek_char((0x56051b6b4f40), y)
^  Call: (195) [user] is_delimiter(y)
   Call: (196) [system] char_type(y, space)
   Call: (196) [system] arg(_2083374, v('(', ')', end_of_file), y)
   Call: (195) [system] ')'==y
   Call: (195) [system] get_char((0x56051b6b4f40), y)
   Exit: (195) [system] get_char((0x56051b6b4f40), y)
   Call: (195) [system] y=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2087944)
   Call: (196) [system] peek_char((0x56051b6b4f40), _2088878)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_2092670, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _2087944=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _4248=[y]
   Exit: (195) [system] [y]=[y]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y])
   Call: (194) [system] _4244=[r, y]
   Exit: (194) [system] [r, y]=[r, y]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, y])
   Call: (193) [system] _4240=[e, r, y]
   Exit: (193) [system] [e, r, y]=[e, r, y]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, y])
   Call: (192) [system] _4236=[u, e, r, y]
   Exit: (192) [system] [u, e, r, y]=[u, e, r, y]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, e, r, y])
   Call: (191) [system] _4232=[q, u, e, r, y]
   Exit: (191) [system] [q, u, e, r, y]=[q, u, e, r, y]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, e, r, y])
^  Call: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _4228)
   Call: (191) [system] atom_chars(_20522, ['_', q, u, e, r, y])
   Exit: (191) [system] atom_chars('_query', ['_', q, u, e, r, y])
^  Exit: (190) [user] classify_and_convert_charseq($, [q, u, e, r, y], _query)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), $, _query)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _query)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _25186)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _27044)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _35512)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _39302)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _25186=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _4224=[_query]
   Exit: (188) [system] [_query]=[_query]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [_query])
   Call: (187) [system] _3438=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
   Exit: (187) [system] [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]=[[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
   Call: (186) [system] _3430=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
   Exit: (186) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]=['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _53184)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _55042)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _63510)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _67300)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _53184=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _3426=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (184) [system] [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
   Call: (183) [system] _3362=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (183) [system] [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
   Call: (182) [system] _3322=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
   Exit: (182) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]])
^  Call: (179) [user] assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (179) [user] assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 83, 0, 3311, '$stream_position'(3311, 83, 0, 3311)), read_sexpr((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]]), assertz(metta_file_comment(83, 0, 3311, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _premise5, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4, _proof5], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [[:, _proof5, _premise5], [synthesize, [:, _proof5, _premise5], _kb, _rb, _k]]], _query]], '$stream_position'(3311, 83, 0, 3311)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_85818, _85820, _85822, _85824, _85826))
^  Exit: (177) [user] retract(metta_file_comment(43, 0, 1381, '$COMMENT'(";;", 43, 0), '$stream_position'(1381, 43, 0, 1381)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 43, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 43, 0), _88650))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;", 43, 0), _88650)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;", 43, 0), _88650)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _91466))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _91466))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 43, 0), _91466)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;", 43, 0), _94266))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;", 43, 0), _94266)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;", 43, 0), _94266)
   Call: (187) [system] var('$COMMENT'(";;", 43, 0))
   Call: (187) [system] atom('$COMMENT'(";;", 43, 0))
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==true
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==false
   Call: (187) [system] '$COMMENT'(";;", 43, 0)==[_100786, _100792]
   Call: (187) [system] is_list('$COMMENT'(";;", 43, 0))
   Call: (187) [system] string('$COMMENT'(";;", 43, 0))
   Call: (187) [system] compound('$COMMENT'(";;", 43, 0))
   Exit: (187) [system] compound('$COMMENT'(";;", 43, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), _105420, _105422)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), '$COMMENT', [";;", 43, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;", 43, 0], _109162)
   Call: (188) [apply] apply:maplist_([";;", 43, 0], _109162, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;", _111042)
   Call: (190) [system] var(";;")
   Call: (190) [system] atom(";;")
   Call: (190) [system] ";;"==true
   Call: (190) [system] ";;"==false
   Call: (190) [system] ";;"==[_115684, _115690]
   Call: (190) [system] is_list(";;")
   Call: (190) [system] string(";;")
   Exit: (190) [system] string(";;")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;")
^  Call: (190) [user] symbol(";;")
   Call: (191) [system] atom(";;")
   Fail: (191) [system] atom(";;")
^  Fail: (190) [user] symbol(";;")
   Call: (190) [system] ";;"=_111042
   Exit: (190) [system] ";;"=";;"
^  Exit: (189) [user] mfix_vars1(";;", ";;")
   Call: (189) [apply] apply:maplist_([43, 0], _111044, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(43, _129564)
   Call: (191) [system] var(43)
   Call: (191) [system] atom(43)
   Call: (191) [system] 43==true
   Call: (191) [system] 43==false
   Call: (191) [system] 43==[_134206, _134212]
   Call: (191) [system] is_list(43)
   Call: (191) [system] string(43)
   Call: (191) [system] compound(43)
^  Call: (191) [user] symbol(43)
   Call: (192) [system] atom(43)
   Fail: (192) [system] atom(43)
^  Fail: (191) [user] symbol(43)
   Call: (191) [system] 43=_129564
   Exit: (191) [system] 43=43
^  Exit: (190) [user] mfix_vars1(43, 43)
   Call: (190) [apply] apply:maplist_([0], _129566, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _145330)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_149972, _149978]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_145330
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _145332, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([43, 0], [43, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;", 43, 0], [";;", 43, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;", 43, 0], [";;", 43, 0])
   Call: (187) [system] compound_name_arguments(_94266, '$COMMENT', [";;", 43, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 43, 0), '$COMMENT', [";;", 43, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 43, 0), _174148))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), _174148))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 43, 0), _174148)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;", 43, 0), _176948))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;", 43, 0), _176948)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;", 43, 0), _176948)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 43, 0), _88650))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), _88650))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 43, 0), _88650)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;", 43, 0), _190906))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;", 43, 0), _190906)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;", 43, 0), _190906)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (184) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0)))
   Call: (178) [system] '$COMMENT'(";;", 43, 0)\=@='$COMMENT'(";;", 43, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 43, 0), '$COMMENT'(";;", 43, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 43, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 43, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 43, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;", 43, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;", 43, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 43, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 43, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 43, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;", 43, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";;", 43, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;", 43, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;", 43, 0)))
   Call: (169) [system] '$COMMENT'(";;", 43, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 43, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 43, 0), nthesize_long_1726792630_1772065, 82)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792637.0012705)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792637.0012705-1726792634.4645028
   Exit: (173) [system] 2.5367677211761475 is 1726792637.0012705-1726792634.4645028
   Call: (173) [system] 2.5367677211761475>4
   Fail: (173) [system] 2.5367677211761475>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 9)
   Call: (175) [system] atom(9+1)
   Call: (175) [system] set_flag(translated_forms, 10)
   Exit: (175) [system] set_flag(translated_forms, 10)
   Exit: (174) [$syspreds] update_flag(translated_forms, 9, 9+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 9, 9+1))
   Exit: (171) [$syspreds] flag(translated_forms, 9, 9+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 43, 0), nthesize_long_1726792630_1772065, 82)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 43, 0), nthesize_long_1726792630_1772065, 82)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 43, 0)), 82]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 9, 9+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 43, 0), nthesize_long_1726792630_1772065, 82)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 92)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 92))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 92))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _265690)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _273112)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (175) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (176) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (176) [system] peek_char((0x56051b6b4f40), _280534)
   Exit: (176) [system] peek_char((0x56051b6b4f40), '(')
   Call: (176) [system] char_type('(', space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (177) [system] string((0x56051b6b4f40))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (178) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (178) [system] peek_char((0x56051b6b4f40), _288872)
   Exit: (178) [system] peek_char((0x56051b6b4f40), '(')
   Call: (178) [system] char_type('(', space)
   Call: (178) [system] _291658=(0x56051b6b4f40)
   Exit: (178) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (178) [user] once((read_position((0x56051b6b4f40), _293526, _293528, _293530, _293532), read_sexpr((0x56051b6b4f40), _293544), assertz(metta_file_comment(_293526, _293528, _293530, _293544, _293532))))
^  Call: (180) [user] read_position((0x56051b6b4f40), _293526, _293528, _293530, _293532)
   Call: (181) [system] stream_property((0x56051b6b4f40), position(_293532))
   Call: (182) [system] nonvar((0x56051b6b4f40))
   Exit: (182) [system] nonvar((0x56051b6b4f40))
   Call: (182) [system] nonvar(position(_293532))
   Exit: (182) [system] nonvar(position(_293532))
   Exit: (181) [system] stream_property((0x56051b6b4f40), position('$stream_position'(3966, 94, 0, 3966)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(3966, 94, 0, 3966), _293526)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _303784)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(3966, 94, 0, 3966), _293526)
   Exit: (182) [system] arg(2, '$stream_position'(3966, 94, 0, 3966), 94)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(3966, 94, 0, 3966), 94)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(3966, 94, 0, 3966), _293528)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _311218)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(3966, 94, 0, 3966), _293528)
   Exit: (182) [system] arg(3, '$stream_position'(3966, 94, 0, 3966), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(3966, 94, 0, 3966), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(3966, 94, 0, 3966), _293530)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _318652)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(3966, 94, 0, 3966), _293530)
   Exit: (182) [system] arg(1, '$stream_position'(3966, 94, 0, 3966), 3966)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(3966, 94, 0, 3966), 3966)
^  Exit: (180) [user] read_position((0x56051b6b4f40), 94, 0, 3966, '$stream_position'(3966, 94, 0, 3966))
^  Call: (180) [user] read_sexpr((0x56051b6b4f40), _293544)
   Call: (181) [system] string((0x56051b6b4f40))
^  Call: (181) [user] cont_sexpr(')', (0x56051b6b4f40), _293544)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _327954)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=(;)
^  Call: (183) [user] is_like_space('(')
   Call: (184) [system] char_type('(', 'white')
   Call: (184) [system] char_type('(', end_of_line)
   Call: (184) [system] char_type('(', space)
   Call: (184) [system] char_type('(', cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] get_char((0x56051b6b4f40), _336422)
   Exit: (182) [system] get_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('='('
   Exit: (182) [system] '('='('
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _293544)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _341992)
   Exit: (184) [system] peek_char((0x56051b6b4f40), :)
   Call: (184) [system] (:)=(;)
^  Call: (184) [user] is_like_space(:)
   Call: (185) [system] char_type(:, 'white')
   Call: (185) [system] char_type(:, end_of_line)
   Call: (185) [system] char_type(:, space)
   Call: (185) [system] char_type(:, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _350460)
   Exit: (183) [system] peek_char((0x56051b6b4f40), :)
   Call: (183) [system] (:)=')'
   Call: (183) [system] (:)=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _354174)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _356032)
   Exit: (185) [system] peek_char((0x56051b6b4f40), :)
   Call: (185) [system] (:)=(;)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _364500)
   Exit: (184) [system] get_char((0x56051b6b4f40), :)
   Call: (184) [system] (:)='('
   Call: (184) [system] (:)='['
   Call: (184) [system] (:)='{'
   Call: (184) [system] (:)='"'
   Call: (184) [system] (:)=!
   Call: (184) [system] (:)='\''
   Call: (184) [system] (:)='`'
   Call: (184) [system] (:)=end_of_file
^  Call: (184) [user] read_symbolic(')', (0x56051b6b4f40), :, _354174)
^  Call: (185) [user] read_symbolic_cont(')', (0x56051b6b4f40), _374718)
   Call: (186) [system] peek_char((0x56051b6b4f40), _375652)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] is_delimiter(' ')
   Call: (187) [system] char_type(' ', space)
   Exit: (187) [system] char_type(' ', space)
^  Exit: (186) [user] is_delimiter(' ')
   Call: (186) [system] _374718=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (185) [user] classify_and_convert_charseq(:, [], _354174)
^  Call: (187) [system] setup_call_cleanup('$notrace'(_384962, _384964), once(user:catch(read_from_chars([:], _354174), _384938, fail)), '$restore_trace'(_384962, _384964))
^  Call: (188) [system] sig_atomic(system:'$notrace'(_384962, _384964))
^  Exit: (187) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _384938, fail)), system:'$restore_trace'(3, -1))
   Call: (186) [system] atomic(:)
   Exit: (186) [system] atomic(:)
^  Exit: (185) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (184) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _392462)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _394320)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _401130)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _403834)
   Exit: (186) [system] peek_char((0x56051b6b4f40), k)
   Call: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _413226)
   Exit: (184) [system] peek_char((0x56051b6b4f40), k)
   Call: (184) [system] k=')'
   Call: (184) [system] k=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _416940)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _418798)
   Exit: (186) [system] peek_char((0x56051b6b4f40), k)
   Call: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _427266)
   Exit: (185) [system] get_char((0x56051b6b4f40), k)
   Call: (185) [system] k='('
   Call: (185) [system] k='['
   Call: (185) [system] k='{'
   Call: (185) [system] k='"'
   Call: (185) [system] k=!
   Call: (185) [system] k='\''
   Call: (185) [system] k='`'
   Call: (185) [system] k=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x56051b6b4f40), k, _416940)
^  Call: (186) [user] read_symbolic_cont(')', (0x56051b6b4f40), _437484)
   Call: (187) [system] peek_char((0x56051b6b4f40), _438418)
   Exit: (187) [system] peek_char((0x56051b6b4f40), b)
^  Call: (187) [user] is_delimiter(b)
   Call: (188) [system] char_type(b, space)
   Call: (188) [system] arg(_442210, v('(', ')', end_of_file), b)
   Call: (187) [system] ')'==b
   Call: (187) [system] get_char((0x56051b6b4f40), b)
   Exit: (187) [system] get_char((0x56051b6b4f40), b)
   Call: (187) [system] b=(\)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _446780)
   Call: (188) [system] peek_char((0x56051b6b4f40), _447714)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] is_delimiter(' ')
   Call: (189) [system] char_type(' ', space)
   Exit: (189) [system] char_type(' ', space)
^  Exit: (188) [user] is_delimiter(' ')
   Call: (188) [system] _446780=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (187) [system] _437484=[b]
   Exit: (187) [system] [b]=[b]
^  Exit: (186) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (186) [user] classify_and_convert_charseq(k, [b], _416940)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_459818, _459820), once(user:catch(read_from_chars([k, b], _416940), _459794, fail)), '$restore_trace'(_459818, _459820))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_459818, _459820))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _459794, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(kb)
   Exit: (187) [system] atomic(kb)
^  Exit: (186) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (185) [user] read_symbolic(')', (0x56051b6b4f40), k, kb)
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), kb)
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _467318)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _469176)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x56051b6b4f40), _475986)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _478690)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=(;)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _488082)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=')'
   Call: (185) [system] '('=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _491796)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _493654)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=(;)
^  Call: (187) [user] is_like_space('(')
   Call: (188) [system] char_type('(', 'white')
   Call: (188) [system] char_type('(', end_of_line)
   Call: (188) [system] char_type('(', space)
   Call: (188) [system] char_type('(', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _502122)
   Exit: (186) [system] get_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('='('
   Exit: (186) [system] '('='('
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _491796)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _507692)
   Exit: (188) [system] peek_char((0x56051b6b4f40), -)
   Call: (188) [system] (-)=(;)
^  Call: (188) [user] is_like_space(-)
   Call: (189) [system] char_type(-, 'white')
   Call: (189) [system] char_type(-, end_of_line)
   Call: (189) [system] char_type(-, space)
   Call: (189) [system] char_type(-, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _516160)
   Exit: (187) [system] peek_char((0x56051b6b4f40), -)
   Call: (187) [system] (-)=')'
   Call: (187) [system] (-)=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _519874)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _521732)
   Exit: (189) [system] peek_char((0x56051b6b4f40), -)
   Call: (189) [system] (-)=(;)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _530200)
   Exit: (188) [system] get_char((0x56051b6b4f40), -)
   Call: (188) [system] (-)='('
   Call: (188) [system] (-)='['
   Call: (188) [system] (-)='{'
   Call: (188) [system] (-)='"'
   Call: (188) [system] (-)=!
   Call: (188) [system] (-)='\''
   Call: (188) [system] (-)='`'
   Call: (188) [system] (-)=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), -, _519874)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _540418)
   Call: (190) [system] peek_char((0x56051b6b4f40), _541352)
   Exit: (190) [system] peek_char((0x56051b6b4f40), >)
^  Call: (190) [user] is_delimiter(>)
   Call: (191) [system] char_type(>, space)
   Call: (191) [system] arg(_545144, v('(', ')', end_of_file), >)
   Call: (190) [system] ')'==(>)
   Call: (190) [system] get_char((0x56051b6b4f40), >)
   Exit: (190) [system] get_char((0x56051b6b4f40), >)
   Call: (190) [system] (>)=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _549714)
   Call: (191) [system] peek_char((0x56051b6b4f40), _550648)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] is_delimiter(' ')
   Call: (192) [system] char_type(' ', space)
   Exit: (192) [system] char_type(' ', space)
^  Exit: (191) [user] is_delimiter(' ')
   Call: (191) [system] _549714=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (190) [system] _540418=[>]
   Exit: (190) [system] [>]=[>]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (189) [user] classify_and_convert_charseq(-, [>], _519874)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_562752, _562754), once(user:catch(read_from_chars([-, >], _519874), _562728, fail)), '$restore_trace'(_562752, _562754))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_562752, _562754))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _562728, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(->)
   Exit: (190) [system] atomic(->)
^  Exit: (189) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _570252)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _572110)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _578920)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _581624)
   Exit: (190) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (190) [system] 'A'=(;)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _591016)
   Exit: (188) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (188) [system] 'A'=')'
   Call: (188) [system] 'A'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _594730)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _596588)
   Exit: (190) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (190) [system] 'A'=(;)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _605056)
   Exit: (189) [system] get_char((0x56051b6b4f40), 'A')
   Call: (189) [system] 'A'='('
   Call: (189) [system] 'A'='['
   Call: (189) [system] 'A'='{'
   Call: (189) [system] 'A'='"'
   Call: (189) [system] 'A'=!
   Call: (189) [system] 'A'='\''
   Call: (189) [system] 'A'='`'
   Call: (189) [system] 'A'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _594730)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _615274)
   Call: (191) [system] peek_char((0x56051b6b4f40), _616208)
   Exit: (191) [system] peek_char((0x56051b6b4f40), t)
^  Call: (191) [user] is_delimiter(t)
   Call: (192) [system] char_type(t, space)
   Call: (192) [system] arg(_620000, v('(', ')', end_of_file), t)
   Call: (191) [system] ')'==t
   Call: (191) [system] get_char((0x56051b6b4f40), t)
   Exit: (191) [system] get_char((0x56051b6b4f40), t)
   Call: (191) [system] t=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _624570)
   Call: (192) [system] peek_char((0x56051b6b4f40), _625504)
   Exit: (192) [system] peek_char((0x56051b6b4f40), o)
^  Call: (192) [user] is_delimiter(o)
   Call: (193) [system] char_type(o, space)
   Call: (193) [system] arg(_629296, v('(', ')', end_of_file), o)
   Call: (192) [system] ')'==o
   Call: (192) [system] get_char((0x56051b6b4f40), o)
   Exit: (192) [system] get_char((0x56051b6b4f40), o)
   Call: (192) [system] o=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _633866)
   Call: (193) [system] peek_char((0x56051b6b4f40), _634800)
   Exit: (193) [system] peek_char((0x56051b6b4f40), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_638592, v('(', ')', end_of_file), m)
   Call: (193) [system] ')'==m
   Call: (193) [system] get_char((0x56051b6b4f40), m)
   Exit: (193) [system] get_char((0x56051b6b4f40), m)
   Call: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _643162)
   Call: (194) [system] peek_char((0x56051b6b4f40), _644096)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (194) [user] is_delimiter(')')
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] arg(_647888, v('(', ')', end_of_file), ')')
   Exit: (195) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (194) [user] is_delimiter(')')
   Call: (194) [system] _643162=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _633866=[m]
   Exit: (193) [system] [m]=[m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m])
   Call: (192) [system] _624570=[o, m]
   Exit: (192) [system] [o, m]=[o, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, m])
   Call: (191) [system] _615274=[t, o, m]
   Exit: (191) [system] [t, o, m]=[t, o, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, m])
^  Call: (190) [user] classify_and_convert_charseq('A', [t, o, m], _594730)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_662732, _662734), once(user:catch(read_from_chars(['A', t, o, m], _594730), _662708, fail)), '$restore_trace'(_662732, _662734))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_662732, _662734))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', t, o, m], _594730), _662708, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_594730)
   Call: (191) [system] atom_chars(_594730, ['A', t, o, m])
   Exit: (191) [system] atom_chars('Atom', ['A', t, o, m])
^  Exit: (190) [user] classify_and_convert_charseq('A', [t, o, m], 'Atom')
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'Atom')
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), 'Atom')
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _671184)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _673042)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _681510)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _685300)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _671184=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _570252=['Atom']
   Exit: (188) [system] ['Atom']=['Atom']
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), ['Atom'])
   Call: (187) [system] _491796=[->, 'Atom']
   Exit: (187) [system] [->, 'Atom']=[->, 'Atom']
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [->, 'Atom'])
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), [->, 'Atom'])
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _696388)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _698246)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _706714)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _710504)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _696388=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _467318=[[->, 'Atom']]
   Exit: (185) [system] [[->, 'Atom']]=[[->, 'Atom']]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [[->, 'Atom']])
   Call: (184) [system] _392462=[kb, [->, 'Atom']]
   Exit: (184) [system] [kb, [->, 'Atom']]=[kb, [->, 'Atom']]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [kb, [->, 'Atom']])
   Call: (183) [system] _293544=[:, kb, [->, 'Atom']]
   Exit: (183) [system] [:, kb, [->, 'Atom']]=[:, kb, [->, 'Atom']]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [:, kb, [->, 'Atom']])
^  Exit: (181) [user] cont_sexpr(')', (0x56051b6b4f40), [:, kb, [->, 'Atom']])
^  Exit: (180) [user] read_sexpr((0x56051b6b4f40), [:, kb, [->, 'Atom']])
^  Call: (180) [user] assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))
^  Exit: (180) [user] assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))
^  Exit: (178) [system] once(user:(read_position((0x56051b6b4f40), 94, 0, 3966, '$stream_position'(3966, 94, 0, 3966)), read_sexpr((0x56051b6b4f40), [:, kb, [->, 'Atom']]), assertz(metta_file_comment(94, 0, 3966, [:, kb, [->, 'Atom']], '$stream_position'(3966, 94, 0, 3966)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_729022, _729024, _729026, _729028, _729030))
^  Exit: (178) [user] retract(metta_file_comment(44, 0, 1384, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$stream_position'(1384, 44, 0, 1384)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _731870))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _731870)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _731870)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _734686))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _734686))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _734686)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _737486))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _737486)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _737486)
   Call: (188) [system] var('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] atom('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==true
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==false
   Call: (188) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==[_744006, _744012]
   Call: (188) [system] is_list('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] string('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] compound('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Exit: (188) [system] compound('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _748640, _748642)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], _752382)
   Call: (189) [apply] apply:maplist_([";; $depth: a Nat representing the maximum depth of the generated", 44, 0], _752382, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";; $depth: a Nat representing the maximum depth of the generated", _754262)
   Call: (191) [system] var(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==true
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==false
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"==[_758904, _758910]
   Call: (191) [system] is_list(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] string(";; $depth: a Nat representing the maximum depth of the generated")
   Exit: (191) [system] string(";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";; $depth: a Nat representing the maximum depth of the generated")
^  Call: (191) [user] symbol(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (192) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
   Fail: (192) [system] atom(";; $depth: a Nat representing the maximum depth of the generated")
^  Fail: (191) [user] symbol(";; $depth: a Nat representing the maximum depth of the generated")
   Call: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"=_754262
   Exit: (191) [system] ";; $depth: a Nat representing the maximum depth of the generated"=";; $depth: a Nat representing the maximum depth of the generated"
^  Exit: (190) [user] mfix_vars1(";; $depth: a Nat representing the maximum depth of the generated", ";; $depth: a Nat representing the maximum depth of the generated")
   Call: (190) [apply] apply:maplist_([44, 0], _754264, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(44, _772784)
   Call: (192) [system] var(44)
   Call: (192) [system] atom(44)
   Call: (192) [system] 44==true
   Call: (192) [system] 44==false
   Call: (192) [system] 44==[_777426, _777432]
   Call: (192) [system] is_list(44)
   Call: (192) [system] string(44)
   Call: (192) [system] compound(44)
^  Call: (192) [user] symbol(44)
   Call: (193) [system] atom(44)
   Fail: (193) [system] atom(44)
^  Fail: (192) [user] symbol(44)
   Call: (192) [system] 44=_772784
   Exit: (192) [system] 44=44
^  Exit: (191) [user] mfix_vars1(44, 44)
   Call: (191) [apply] apply:maplist_([0], _772786, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _788550)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_793192, _793198]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_788550
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _788552, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([44, 0], [44, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";; $depth: a Nat representing the maximum depth of the generated", 44, 0], [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";; $depth: a Nat representing the maximum depth of the generated", 44, 0], [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Call: (188) [system] compound_name_arguments(_737486, '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT', [";; $depth: a Nat representing the maximum depth of the generated", 44, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _817368))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _817368))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _817368)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _820168))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _820168)
^  Call: (187) [user] cons_to_c('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _820168)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _731870))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _731870))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _731870)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _834126))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _834126)
^  Call: (187) [user] cons_to_l('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), _834126)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (185) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (179) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)\=@='$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)))
   Call: (169) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), nthesize_long_1726792630_1772065, 92)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792637.0740345)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792637.0740345-1726792634.4645028
   Exit: (173) [system] 2.6095316410064697 is 1726792637.0740345-1726792634.4645028
   Call: (173) [system] 2.6095316410064697>4
   Fail: (173) [system] 2.6095316410064697>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 10)
   Call: (175) [system] atom(10+1)
   Call: (175) [system] set_flag(translated_forms, 11)
   Exit: (175) [system] set_flag(translated_forms, 11)
   Exit: (174) [$syspreds] update_flag(translated_forms, 10, 10+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 10, 10+1))
   Exit: (171) [$syspreds] flag(translated_forms, 10, 10+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), nthesize_long_1726792630_1772065, 92)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; $depth: a Nat representing the maximum depth of the generated"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; $depth: a Nat representing the maximum depth of the generated"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), nthesize_long_1726792630_1772065, 92)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0)), 92]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 10, 10+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; $depth: a Nat representing the maximum depth of the generated", 44, 0), nthesize_long_1726792630_1772065, 92)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 94)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 94))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 94))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _909838)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _917260)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _925598)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _928384=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _930252, _930254, _930256, _930258), read_sexpr((0x56051b6b4f40), _930270), assertz(metta_file_comment(_930252, _930254, _930256, _930270, _930258))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _930252, _930254, _930256, _930258)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_930258))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_930258))
   Exit: (181) [system] nonvar(position(_930258))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(3983, 95, 0, 3983)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3983, 95, 0, 3983), _930252)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _940510)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(3983, 95, 0, 3983), _930252)
   Exit: (181) [system] arg(2, '$stream_position'(3983, 95, 0, 3983), 95)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(3983, 95, 0, 3983), 95)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3983, 95, 0, 3983), _930254)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _947944)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(3983, 95, 0, 3983), _930254)
   Exit: (181) [system] arg(3, '$stream_position'(3983, 95, 0, 3983), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(3983, 95, 0, 3983), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3983, 95, 0, 3983), _930256)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _955378)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(3983, 95, 0, 3983), _930256)
   Exit: (181) [system] arg(1, '$stream_position'(3983, 95, 0, 3983), 3983)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(3983, 95, 0, 3983), 3983)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 95, 0, 3983, '$stream_position'(3983, 95, 0, 3983))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _930270)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _930270)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _964680)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _973148)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _930270)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _978718)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _987186)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _990900)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _992758)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1001226)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _990900)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1011444)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1012378)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1011444=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _990900)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1021688, _1021690), once(user:catch(read_from_chars([=], _990900), _1021664, fail)), '$restore_trace'(_1021688, _1021690))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1021688, _1021690))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1021664, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1029188)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1031046)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1037856)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1040560)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1049952)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1053666)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1055524)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1063992)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1053666)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1069562)
   Exit: (186) [system] peek_char((0x56051b6b4f40), k)
   Call: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1078030)
   Exit: (185) [system] peek_char((0x56051b6b4f40), k)
   Call: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1081744)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1083602)
   Exit: (187) [system] peek_char((0x56051b6b4f40), k)
   Call: (187) [system] k=(;)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1092070)
   Exit: (186) [system] get_char((0x56051b6b4f40), k)
   Call: (186) [system] k='('
   Call: (186) [system] k='['
   Call: (186) [system] k='{'
   Call: (186) [system] k='"'
   Call: (186) [system] k=!
   Call: (186) [system] k='\''
   Call: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), k, _1081744)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1102288)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1103222)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1107014, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1111584)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1112518)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1116310, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1111584=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _1102288=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(k, [b], _1081744)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1125566, _1125568), once(user:catch(read_from_chars([k, b], _1081744), _1125542, fail)), '$restore_trace'(_1125566, _1125568))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1125566, _1125568))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1125542, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), kb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1133066)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1134924)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1143392)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _1147182)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _1133066=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _1053666=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [kb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _1155476)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1157334)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _1164144)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1166848)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1176240)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _1179954)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1181812)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _1190280)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1179954)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1195850)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1204318)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1208032)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1209890)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1218358)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _1208032)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1228576)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1229510)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1228576=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _1208032)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1238820, _1238822), once(user:catch(read_from_chars([:], _1208032), _1238796, fail)), '$restore_trace'(_1238820, _1238822))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1238820, _1238822))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1238796, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _1246320)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1248178)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1254988)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1257692)
   Exit: (189) [system] peek_char((0x56051b6b4f40), a)
   Call: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1267084)
   Exit: (187) [system] peek_char((0x56051b6b4f40), a)
   Call: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _1270798)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1272656)
   Exit: (189) [system] peek_char((0x56051b6b4f40), a)
   Call: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _1281124)
   Exit: (188) [system] get_char((0x56051b6b4f40), a)
   Call: (188) [system] a='('
   Call: (188) [system] a='['
   Call: (188) [system] a='{'
   Call: (188) [system] a='"'
   Call: (188) [system] a=!
   Call: (188) [system] a='\''
   Call: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), a, _1270798)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1291342)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1292276)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _1291342=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (189) [user] classify_and_convert_charseq(a, [], _1270798)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1301586, _1301588), once(user:catch(read_from_chars([a], _1270798), _1301562, fail)), '$restore_trace'(_1301586, _1301588))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1301586, _1301588))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1301562, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(a)
   Exit: (190) [system] atomic(a)
^  Exit: (189) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1309086)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1310944)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1317754)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1320458)
   Exit: (190) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (190) [system] 'A'=(;)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1329850)
   Exit: (188) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (188) [system] 'A'=')'
   Call: (188) [system] 'A'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _1333564)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1335422)
   Exit: (190) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (190) [system] 'A'=(;)
^  Call: (190) [user] is_like_space('A')
   Call: (191) [system] char_type('A', 'white')
   Call: (191) [system] char_type('A', end_of_line)
   Call: (191) [system] char_type('A', space)
   Call: (191) [system] char_type('A', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _1343890)
   Exit: (189) [system] get_char((0x56051b6b4f40), 'A')
   Call: (189) [system] 'A'='('
   Call: (189) [system] 'A'='['
   Call: (189) [system] 'A'='{'
   Call: (189) [system] 'A'='"'
   Call: (189) [system] 'A'=!
   Call: (189) [system] 'A'='\''
   Call: (189) [system] 'A'='`'
   Call: (189) [system] 'A'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1333564)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1354108)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1355042)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (191) [user] is_delimiter(')')
   Call: (192) [system] char_type(')', space)
   Call: (192) [system] arg(_1358834, v('(', ')', end_of_file), ')')
   Exit: (192) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (191) [user] is_delimiter(')')
   Call: (191) [system] _1354108=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (190) [user] classify_and_convert_charseq('A', [], _1333564)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1365296, _1365298), once(user:catch(read_from_chars(['A'], _1333564), _1365272, fail)), '$restore_trace'(_1365296, _1365298))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1365296, _1365298))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1333564), _1365272, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_1333564)
   Call: (191) [system] atom_chars(_1333564, ['A'])
   Exit: (191) [system] atom_chars('A', ['A'])
^  Exit: (190) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1373748)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1375606)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1384074)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1387864)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1373748=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _1309086=['A']
   Exit: (188) [system] ['A']=['A']
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (187) [system] _1246320=[a, 'A']
   Exit: (187) [system] [a, 'A']=[a, 'A']
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [a, 'A'])
   Call: (186) [system] _1179954=[:, a, 'A']
   Exit: (186) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, a, 'A'])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, a, 'A'])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1401746)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1403604)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1412072)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1415862)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1401746=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _1155476=[[:, a, 'A']]
   Exit: (184) [system] [[:, a, 'A']]=[[:, a, 'A']]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, a, 'A']])
   Call: (183) [system] _1029188=[[kb], [:, a, 'A']]
   Exit: (183) [system] [[kb], [:, a, 'A']]=[[kb], [:, a, 'A']]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[kb], [:, a, 'A']])
   Call: (182) [system] _930270=[=, [kb], [:, a, 'A']]
   Exit: (182) [system] [=, [kb], [:, a, 'A']]=[=, [kb], [:, a, 'A']]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [kb], [:, a, 'A']])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [kb], [:, a, 'A']])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [kb], [:, a, 'A']])
^  Call: (179) [user] assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))
^  Exit: (179) [user] assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 95, 0, 3983, '$stream_position'(3983, 95, 0, 3983)), read_sexpr((0x56051b6b4f40), [=, [kb], [:, a, 'A']]), assertz(metta_file_comment(95, 0, 3983, [=, [kb], [:, a, 'A']], '$stream_position'(3983, 95, 0, 3983)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1434380, _1434382, _1434384, _1434386, _1434388))
^  Exit: (177) [user] retract(metta_file_comment(45, 0, 1449, '$COMMENT'(";;         programs.", 45, 0), '$stream_position'(1449, 45, 0, 1449)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _1437216))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), _1437216)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;         programs.", 45, 0), _1437216)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _1440032))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _1440032))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _1440032)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _1442832))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), _1442832)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;         programs.", 45, 0), _1442832)
   Call: (187) [system] var('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] atom('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==true
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==false
   Call: (187) [system] '$COMMENT'(";;         programs.", 45, 0)==[_1449352, _1449358]
   Call: (187) [system] is_list('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] string('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] compound('$COMMENT'(";;         programs.", 45, 0))
   Exit: (187) [system] compound('$COMMENT'(";;         programs.", 45, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), _1453986, _1453988)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), '$COMMENT', [";;         programs.", 45, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;         programs.", 45, 0], _1457728)
   Call: (188) [apply] apply:maplist_([";;         programs.", 45, 0], _1457728, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;         programs.", _1459608)
   Call: (190) [system] var(";;         programs.")
   Call: (190) [system] atom(";;         programs.")
   Call: (190) [system] ";;         programs."==true
   Call: (190) [system] ";;         programs."==false
   Call: (190) [system] ";;         programs."==[_1464250, _1464256]
   Call: (190) [system] is_list(";;         programs.")
   Call: (190) [system] string(";;         programs.")
   Exit: (190) [system] string(";;         programs.")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;         programs.")
^  Call: (190) [user] symbol(";;         programs.")
   Call: (191) [system] atom(";;         programs.")
   Fail: (191) [system] atom(";;         programs.")
^  Fail: (190) [user] symbol(";;         programs.")
   Call: (190) [system] ";;         programs."=_1459608
   Exit: (190) [system] ";;         programs."=";;         programs."
^  Exit: (189) [user] mfix_vars1(";;         programs.", ";;         programs.")
   Call: (189) [apply] apply:maplist_([45, 0], _1459610, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(45, _1478130)
   Call: (191) [system] var(45)
   Call: (191) [system] atom(45)
   Call: (191) [system] 45==true
   Call: (191) [system] 45==false
   Call: (191) [system] 45==[_1482772, _1482778]
   Call: (191) [system] is_list(45)
   Call: (191) [system] string(45)
   Call: (191) [system] compound(45)
^  Call: (191) [user] symbol(45)
   Call: (192) [system] atom(45)
   Fail: (192) [system] atom(45)
^  Fail: (191) [user] symbol(45)
   Call: (191) [system] 45=_1478130
   Exit: (191) [system] 45=45
^  Exit: (190) [user] mfix_vars1(45, 45)
   Call: (190) [apply] apply:maplist_([0], _1478132, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1493896)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1498538, _1498544]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1493896
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1493898, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([45, 0], [45, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;         programs.", 45, 0], [";;         programs.", 45, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;         programs.", 45, 0], [";;         programs.", 45, 0])
   Call: (187) [system] compound_name_arguments(_1442832, '$COMMENT', [";;         programs.", 45, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;         programs.", 45, 0), '$COMMENT', [";;         programs.", 45, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _1522714))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _1522714))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _1522714)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _1525514))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), _1525514)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;         programs.", 45, 0), _1525514)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _1437216))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _1437216))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _1437216)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _1539472))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), _1539472)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;         programs.", 45, 0), _1539472)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (184) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (178) [system] '$COMMENT'(";;         programs.", 45, 0)\=@='$COMMENT'(";;         programs.", 45, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;         programs.", 45, 0), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;         programs.", 45, 0)))
   Call: (169) [system] '$COMMENT'(";;         programs.", 45, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;         programs.", 45, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;         programs.", 45, 0), nthesize_long_1726792630_1772065, 94)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792637.1547415)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792637.1547415-1726792634.4645028
   Exit: (173) [system] 2.6902387142181396 is 1726792637.1547415-1726792634.4645028
   Call: (173) [system] 2.6902387142181396>4
   Fail: (173) [system] 2.6902387142181396>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 11)
   Call: (175) [system] atom(11+1)
   Call: (175) [system] set_flag(translated_forms, 12)
   Exit: (175) [system] set_flag(translated_forms, 12)
   Exit: (174) [$syspreds] update_flag(translated_forms, 11, 11+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 11, 11+1))
   Exit: (171) [$syspreds] flag(translated_forms, 11, 11+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;         programs.", 45, 0), nthesize_long_1726792630_1772065, 94)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;         programs."])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;         programs."])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;         programs.", 45, 0), nthesize_long_1726792630_1772065, 94)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;         programs.", 45, 0)), 94]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 11, 11+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;         programs.", 45, 0), nthesize_long_1726792630_1772065, 94)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 95)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 95))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 95))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1614256)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1621678)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1630016)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1632802=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _1634670, _1634672, _1634674, _1634676), read_sexpr((0x56051b6b4f40), _1634688), assertz(metta_file_comment(_1634670, _1634672, _1634674, _1634688, _1634676))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _1634670, _1634672, _1634674, _1634676)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_1634676))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_1634676))
   Exit: (181) [system] nonvar(position(_1634676))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4000, 96, 0, 4000)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4000, 96, 0, 4000), _1634670)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1644928)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4000, 96, 0, 4000), _1634670)
   Exit: (181) [system] arg(2, '$stream_position'(4000, 96, 0, 4000), 96)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4000, 96, 0, 4000), 96)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4000, 96, 0, 4000), _1634672)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1652362)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4000, 96, 0, 4000), _1634672)
   Exit: (181) [system] arg(3, '$stream_position'(4000, 96, 0, 4000), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4000, 96, 0, 4000), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4000, 96, 0, 4000), _1634674)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1659796)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4000, 96, 0, 4000), _1634674)
   Exit: (181) [system] arg(1, '$stream_position'(4000, 96, 0, 4000), 4000)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4000, 96, 0, 4000), 4000)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 96, 0, 4000, '$stream_position'(4000, 96, 0, 4000))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _1634688)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1634688)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1669098)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1677566)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1634688)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1683136)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1691604)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1695318)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1697176)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1705644)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _1695318)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1715862)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1716796)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1715862=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1695318)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1726106, _1726108), once(user:catch(read_from_chars([=], _1695318), _1726082, fail)), '$restore_trace'(_1726106, _1726108))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1726106, _1726108))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1726082, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1733606)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1735464)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1742274)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1744978)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1754370)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1758084)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1759942)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1768410)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1758084)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1773980)
   Exit: (186) [system] peek_char((0x56051b6b4f40), k)
   Call: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1782448)
   Exit: (185) [system] peek_char((0x56051b6b4f40), k)
   Call: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1786162)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1788020)
   Exit: (187) [system] peek_char((0x56051b6b4f40), k)
   Call: (187) [system] k=(;)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1796488)
   Exit: (186) [system] get_char((0x56051b6b4f40), k)
   Call: (186) [system] k='('
   Call: (186) [system] k='['
   Call: (186) [system] k='{'
   Call: (186) [system] k='"'
   Call: (186) [system] k=!
   Call: (186) [system] k='\''
   Call: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), k, _1786162)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1806706)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1807640)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1811432, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1816002)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1816936)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1820728, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1816002=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _1806706=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(k, [b], _1786162)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1829984, _1829986), once(user:catch(read_from_chars([k, b], _1786162), _1829960, fail)), '$restore_trace'(_1829984, _1829986))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1829984, _1829986))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1829960, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), kb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1837484)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1839342)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1847810)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _1851600)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _1837484=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _1758084=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [kb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _1859894)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1861752)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _1868562)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1871266)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1880658)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _1884372)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1886230)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _1894698)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1884372)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1900268)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1908736)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1912450)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1914308)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1922776)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _1912450)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1932994)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1933928)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1932994=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _1912450)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1943238, _1943240), once(user:catch(read_from_chars([:], _1912450), _1943214, fail)), '$restore_trace'(_1943238, _1943240))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1943238, _1943240))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1943214, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _1950738)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1952596)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1959406)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1962110)
   Exit: (189) [system] peek_char((0x56051b6b4f40), a)
   Call: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1971502)
   Exit: (187) [system] peek_char((0x56051b6b4f40), a)
   Call: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _1975216)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1977074)
   Exit: (189) [system] peek_char((0x56051b6b4f40), a)
   Call: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _1985542)
   Exit: (188) [system] get_char((0x56051b6b4f40), a)
   Call: (188) [system] a='('
   Call: (188) [system] a='['
   Call: (188) [system] a='{'
   Call: (188) [system] a='"'
   Call: (188) [system] a=!
   Call: (188) [system] a='\''
   Call: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), a, _1975216)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1995760)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1996694)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] is_delimiter(' ')
   Call: (191) [system] char_type(' ', space)
   Exit: (191) [system] char_type(' ', space)
^  Exit: (190) [user] is_delimiter(' ')
   Call: (190) [system] _1995760=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (189) [user] classify_and_convert_charseq(a, [], _1975216)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_2006004, _2006006), once(user:catch(read_from_chars([a], _1975216), _2005980, fail)), '$restore_trace'(_2006004, _2006006))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_2006004, _2006006))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2005980, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(a)
   Exit: (190) [system] atomic(a)
^  Exit: (189) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _2013504)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _2015362)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _2022172)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _2024876)
   Exit: (190) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (190) [system] 'B'=(;)
^  Call: (190) [user] is_like_space('B')
   Call: (191) [system] char_type('B', 'white')
   Call: (191) [system] char_type('B', end_of_line)
   Call: (191) [system] char_type('B', space)
   Call: (191) [system] char_type('B', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _2034268)
   Exit: (188) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (188) [system] 'B'=')'
   Call: (188) [system] 'B'=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _2037982)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _2039840)
   Exit: (190) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (190) [system] 'B'=(;)
^  Call: (190) [user] is_like_space('B')
   Call: (191) [system] char_type('B', 'white')
   Call: (191) [system] char_type('B', end_of_line)
   Call: (191) [system] char_type('B', space)
   Call: (191) [system] char_type('B', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _2048308)
   Exit: (189) [system] get_char((0x56051b6b4f40), 'B')
   Call: (189) [system] 'B'='('
   Call: (189) [system] 'B'='['
   Call: (189) [system] 'B'='{'
   Call: (189) [system] 'B'='"'
   Call: (189) [system] 'B'=!
   Call: (189) [system] 'B'='\''
   Call: (189) [system] 'B'='`'
   Call: (189) [system] 'B'=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _2037982)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2058526)
   Call: (191) [system] peek_char((0x56051b6b4f40), _2059460)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (191) [user] is_delimiter(')')
   Call: (192) [system] char_type(')', space)
   Call: (192) [system] arg(_2063252, v('(', ')', end_of_file), ')')
   Exit: (192) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (191) [user] is_delimiter(')')
   Call: (191) [system] _2058526=[]
   Exit: (191) [system] []=[]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (190) [user] classify_and_convert_charseq('B', [], _2037982)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_2069714, _2069716), once(user:catch(read_from_chars(['B'], _2037982), _2069690, fail)), '$restore_trace'(_2069714, _2069716))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_2069714, _2069716))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2037982), _2069690, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(_2037982)
   Call: (191) [system] atom_chars(_2037982, ['B'])
   Exit: (191) [system] atom_chars('B', ['B'])
^  Exit: (190) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _2078166)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _2080024)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _2088492)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _2092282)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _2078166=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _3392=['B']
   Exit: (188) [system] ['B']=['B']
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (187) [system] _3386=[a, 'B']
   Exit: (187) [system] [a, 'B']=[a, 'B']
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [a, 'B'])
   Call: (186) [system] _3378=[:, a, 'B']
   Exit: (186) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, a, 'B'])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, a, 'B'])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _12662)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _14520)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _22988)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _26778)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _12662=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _3374=[[:, a, 'B']]
   Exit: (184) [system] [[:, a, 'B']]=[[:, a, 'B']]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, a, 'B']])
   Call: (183) [system] _3362=[[kb], [:, a, 'B']]
   Exit: (183) [system] [[kb], [:, a, 'B']]=[[kb], [:, a, 'B']]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[kb], [:, a, 'B']])
   Call: (182) [system] _3322=[=, [kb], [:, a, 'B']]
   Exit: (182) [system] [=, [kb], [:, a, 'B']]=[=, [kb], [:, a, 'B']]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [kb], [:, a, 'B']])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [kb], [:, a, 'B']])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [kb], [:, a, 'B']])
^  Call: (179) [user] assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))
^  Exit: (179) [user] assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 96, 0, 4000, '$stream_position'(4000, 96, 0, 4000)), read_sexpr((0x56051b6b4f40), [=, [kb], [:, a, 'B']]), assertz(metta_file_comment(96, 0, 4000, [=, [kb], [:, a, 'B']], '$stream_position'(4000, 96, 0, 4000)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_45296, _45298, _45300, _45302, _45304))
^  Exit: (177) [user] retract(metta_file_comment(46, 0, 1470, '$COMMENT'(";;", 46, 0), '$stream_position'(1470, 46, 0, 1470)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 46, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";;", 46, 0), _48128))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";;", 46, 0), _48128)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";;", 46, 0), _48128)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _50944))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _50944))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 46, 0), _50944)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";;", 46, 0), _53744))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";;", 46, 0), _53744)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";;", 46, 0), _53744)
   Call: (187) [system] var('$COMMENT'(";;", 46, 0))
   Call: (187) [system] atom('$COMMENT'(";;", 46, 0))
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==true
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==false
   Call: (187) [system] '$COMMENT'(";;", 46, 0)==[_60264, _60270]
   Call: (187) [system] is_list('$COMMENT'(";;", 46, 0))
   Call: (187) [system] string('$COMMENT'(";;", 46, 0))
   Call: (187) [system] compound('$COMMENT'(";;", 46, 0))
   Exit: (187) [system] compound('$COMMENT'(";;", 46, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), _64898, _64900)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), '$COMMENT', [";;", 46, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";;", 46, 0], _68640)
   Call: (188) [apply] apply:maplist_([";;", 46, 0], _68640, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";;", _70520)
   Call: (190) [system] var(";;")
   Call: (190) [system] atom(";;")
   Call: (190) [system] ";;"==true
   Call: (190) [system] ";;"==false
   Call: (190) [system] ";;"==[_75162, _75168]
   Call: (190) [system] is_list(";;")
   Call: (190) [system] string(";;")
   Exit: (190) [system] string(";;")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";;")
^  Call: (190) [user] symbol(";;")
   Call: (191) [system] atom(";;")
   Fail: (191) [system] atom(";;")
^  Fail: (190) [user] symbol(";;")
   Call: (190) [system] ";;"=_70520
   Exit: (190) [system] ";;"=";;"
^  Exit: (189) [user] mfix_vars1(";;", ";;")
   Call: (189) [apply] apply:maplist_([46, 0], _70522, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(46, _89042)
   Call: (191) [system] var(46)
   Call: (191) [system] atom(46)
   Call: (191) [system] 46==true
   Call: (191) [system] 46==false
   Call: (191) [system] 46==[_93684, _93690]
   Call: (191) [system] is_list(46)
   Call: (191) [system] string(46)
   Call: (191) [system] compound(46)
^  Call: (191) [user] symbol(46)
   Call: (192) [system] atom(46)
   Fail: (192) [system] atom(46)
^  Fail: (191) [user] symbol(46)
   Call: (191) [system] 46=_89042
   Exit: (191) [system] 46=46
^  Exit: (190) [user] mfix_vars1(46, 46)
   Call: (190) [apply] apply:maplist_([0], _89044, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _104808)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_109450, _109456]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_104808
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _104810, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([46, 0], [46, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";;", 46, 0], [";;", 46, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";;", 46, 0], [";;", 46, 0])
   Call: (187) [system] compound_name_arguments(_53744, '$COMMENT', [";;", 46, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";;", 46, 0), '$COMMENT', [";;", 46, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";;", 46, 0), _133626))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), _133626))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 46, 0), _133626)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";;", 46, 0), _136426))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";;", 46, 0), _136426)
^  Call: (186) [user] cons_to_c('$COMMENT'(";;", 46, 0), _136426)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";;", 46, 0), _48128))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), _48128))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 46, 0), _48128)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";;", 46, 0), _150384))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";;", 46, 0), _150384)
^  Call: (186) [user] cons_to_l('$COMMENT'(";;", 46, 0), _150384)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (184) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0)))
   Call: (178) [system] '$COMMENT'(";;", 46, 0)\=@='$COMMENT'(";;", 46, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";;", 46, 0), '$COMMENT'(";;", 46, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 46, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 46, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 46, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;", 46, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;", 46, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 46, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 46, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";;", 46, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";;", 46, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";;", 46, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;", 46, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";;", 46, 0)))
   Call: (169) [system] '$COMMENT'(";;", 46, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";;", 46, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 46, 0), nthesize_long_1726792630_1772065, 95)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792637.2359862)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792637.2359862-1726792634.4645028
   Exit: (173) [system] 2.7714834213256836 is 1726792637.2359862-1726792634.4645028
   Call: (173) [system] 2.7714834213256836>4
   Fail: (173) [system] 2.7714834213256836>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 12)
   Call: (175) [system] atom(12+1)
   Call: (175) [system] set_flag(translated_forms, 13)
   Exit: (175) [system] set_flag(translated_forms, 13)
   Exit: (174) [$syspreds] update_flag(translated_forms, 12, 12+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 12, 12+1))
   Exit: (171) [$syspreds] flag(translated_forms, 12, 12+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 46, 0), nthesize_long_1726792630_1772065, 95)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";;"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 46, 0), nthesize_long_1726792630_1772065, 95)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";;", 46, 0)), 95]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 12, 12+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";;", 46, 0), nthesize_long_1726792630_1772065, 95)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 96)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 96))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 96))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _225168)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _232590)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _240928)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _243714=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _245582, _245584, _245586, _245588), read_sexpr((0x56051b6b4f40), _245600), assertz(metta_file_comment(_245582, _245584, _245586, _245600, _245588))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _245582, _245584, _245586, _245588)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_245588))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_245588))
   Exit: (181) [system] nonvar(position(_245588))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4017, 97, 0, 4017)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4017, 97, 0, 4017), _245582)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _255840)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4017, 97, 0, 4017), _245582)
   Exit: (181) [system] arg(2, '$stream_position'(4017, 97, 0, 4017), 97)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4017, 97, 0, 4017), 97)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4017, 97, 0, 4017), _245584)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _263274)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4017, 97, 0, 4017), _245584)
   Exit: (181) [system] arg(3, '$stream_position'(4017, 97, 0, 4017), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4017, 97, 0, 4017), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4017, 97, 0, 4017), _245586)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _270708)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4017, 97, 0, 4017), _245586)
   Exit: (181) [system] arg(1, '$stream_position'(4017, 97, 0, 4017), 4017)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4017, 97, 0, 4017), 4017)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 97, 0, 4017, '$stream_position'(4017, 97, 0, 4017))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _245600)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _245600)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _280010)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _288478)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _245600)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _294048)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _302516)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _306230)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _308088)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _316556)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _306230)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _326774)
   Call: (185) [system] peek_char((0x56051b6b4f40), _327708)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _326774=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _306230)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_337018, _337020), once(user:catch(read_from_chars([=], _306230), _336994, fail)), '$restore_trace'(_337018, _337020))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_337018, _337020))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _336994, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _344518)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _346376)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _353186)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _355890)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _365282)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _368996)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _370854)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _379322)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _368996)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _384892)
   Exit: (186) [system] peek_char((0x56051b6b4f40), k)
   Call: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _393360)
   Exit: (185) [system] peek_char((0x56051b6b4f40), k)
   Call: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _397074)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _398932)
   Exit: (187) [system] peek_char((0x56051b6b4f40), k)
   Call: (187) [system] k=(;)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _407400)
   Exit: (186) [system] get_char((0x56051b6b4f40), k)
   Call: (186) [system] k='('
   Call: (186) [system] k='['
   Call: (186) [system] k='{'
   Call: (186) [system] k='"'
   Call: (186) [system] k=!
   Call: (186) [system] k='\''
   Call: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), k, _397074)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _417618)
   Call: (188) [system] peek_char((0x56051b6b4f40), _418552)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_422344, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _426914)
   Call: (189) [system] peek_char((0x56051b6b4f40), _427848)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_431640, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _426914=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _417618=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(k, [b], _397074)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_440896, _440898), once(user:catch(read_from_chars([k, b], _397074), _440872, fail)), '$restore_trace'(_440896, _440898))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_440896, _440898))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _440872, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), kb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _448396)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _450254)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _458722)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _462512)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _448396=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _368996=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [kb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _470806)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _472664)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _479474)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _482178)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _491570)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _495284)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _497142)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _505610)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _495284)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _511180)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _519648)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _523362)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _525220)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _533688)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _523362)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _543906)
   Call: (189) [system] peek_char((0x56051b6b4f40), _544840)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _543906=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _523362)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_554150, _554152), once(user:catch(read_from_chars([:], _523362), _554126, fail)), '$restore_trace'(_554150, _554152))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_554150, _554152))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _554126, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _561650)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _563508)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _570318)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _573022)
   Exit: (189) [system] peek_char((0x56051b6b4f40), a)
   Call: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _582414)
   Exit: (187) [system] peek_char((0x56051b6b4f40), a)
   Call: (187) [system] a=')'
   Call: (187) [system] a=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _586128)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _587986)
   Exit: (189) [system] peek_char((0x56051b6b4f40), a)
   Call: (189) [system] a=(;)
^  Call: (189) [user] is_like_space(a)
   Call: (190) [system] char_type(a, 'white')
   Call: (190) [system] char_type(a, end_of_line)
   Call: (190) [system] char_type(a, space)
   Call: (190) [system] char_type(a, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _596454)
   Exit: (188) [system] get_char((0x56051b6b4f40), a)
   Call: (188) [system] a='('
   Call: (188) [system] a='['
   Call: (188) [system] a='{'
   Call: (188) [system] a='"'
   Call: (188) [system] a=!
   Call: (188) [system] a='\''
   Call: (188) [system] a='`'
   Call: (188) [system] a=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), a, _586128)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _606672)
   Call: (190) [system] peek_char((0x56051b6b4f40), _607606)
   Exit: (190) [system] peek_char((0x56051b6b4f40), b)
^  Call: (190) [user] is_delimiter(b)
   Call: (191) [system] char_type(b, space)
   Call: (191) [system] arg(_611398, v('(', ')', end_of_file), b)
   Call: (190) [system] ')'==b
   Call: (190) [system] get_char((0x56051b6b4f40), b)
   Exit: (190) [system] get_char((0x56051b6b4f40), b)
   Call: (190) [system] b=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _615968)
   Call: (191) [system] peek_char((0x56051b6b4f40), _616902)
   Exit: (191) [system] peek_char((0x56051b6b4f40), c)
^  Call: (191) [user] is_delimiter(c)
   Call: (192) [system] char_type(c, space)
   Call: (192) [system] arg(_620694, v('(', ')', end_of_file), c)
   Call: (191) [system] ')'==c
   Call: (191) [system] get_char((0x56051b6b4f40), c)
   Exit: (191) [system] get_char((0x56051b6b4f40), c)
   Call: (191) [system] c=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _625264)
   Call: (192) [system] peek_char((0x56051b6b4f40), _626198)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _625264=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _615968=[c]
   Exit: (191) [system] [c]=[c]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (190) [system] _606672=[b, c]
   Exit: (190) [system] [b, c]=[b, c]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (189) [user] classify_and_convert_charseq(a, [b, c], _586128)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_641096, _641098), once(user:catch(read_from_chars([a, b, c], _586128), _641072, fail)), '$restore_trace'(_641096, _641098))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_641096, _641098))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _641072, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(abc)
   Exit: (190) [system] atomic(abc)
^  Exit: (189) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _648596)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _650454)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _657264)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _659968)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _669360)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _673074)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _674932)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _683400)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _673074)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _688970)
   Exit: (191) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (191) [system] 'I'=(;)
^  Call: (191) [user] is_like_space('I')
   Call: (192) [system] char_type('I', 'white')
   Call: (192) [system] char_type('I', end_of_line)
   Call: (192) [system] char_type('I', space)
   Call: (192) [system] char_type('I', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _697438)
   Exit: (190) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (190) [system] 'I'=')'
   Call: (190) [system] 'I'=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _701152)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _703010)
   Exit: (192) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (192) [system] 'I'=(;)
^  Call: (192) [user] is_like_space('I')
   Call: (193) [system] char_type('I', 'white')
   Call: (193) [system] char_type('I', end_of_line)
   Call: (193) [system] char_type('I', space)
   Call: (193) [system] char_type('I', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _711478)
   Exit: (191) [system] get_char((0x56051b6b4f40), 'I')
   Call: (191) [system] 'I'='('
   Call: (191) [system] 'I'='['
   Call: (191) [system] 'I'='{'
   Call: (191) [system] 'I'='"'
   Call: (191) [system] 'I'=!
   Call: (191) [system] 'I'='\''
   Call: (191) [system] 'I'='`'
   Call: (191) [system] 'I'=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _701152)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _721696)
   Call: (193) [system] peek_char((0x56051b6b4f40), _722630)
   Exit: (193) [system] peek_char((0x56051b6b4f40), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_726422, v('(', ')', end_of_file), m)
   Call: (193) [system] ')'==m
   Call: (193) [system] get_char((0x56051b6b4f40), m)
   Exit: (193) [system] get_char((0x56051b6b4f40), m)
   Call: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _730992)
   Call: (194) [system] peek_char((0x56051b6b4f40), _731926)
   Exit: (194) [system] peek_char((0x56051b6b4f40), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_735718, v('(', ')', end_of_file), p)
   Call: (194) [system] ')'==p
   Call: (194) [system] get_char((0x56051b6b4f40), p)
   Exit: (194) [system] get_char((0x56051b6b4f40), p)
   Call: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _740288)
   Call: (195) [system] peek_char((0x56051b6b4f40), _741222)
   Exit: (195) [system] peek_char((0x56051b6b4f40), l)
^  Call: (195) [user] is_delimiter(l)
   Call: (196) [system] char_type(l, space)
   Call: (196) [system] arg(_745014, v('(', ')', end_of_file), l)
   Call: (195) [system] ')'==l
   Call: (195) [system] get_char((0x56051b6b4f40), l)
   Exit: (195) [system] get_char((0x56051b6b4f40), l)
   Call: (195) [system] l=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _749584)
   Call: (196) [system] peek_char((0x56051b6b4f40), _750518)
   Exit: (196) [system] peek_char((0x56051b6b4f40), i)
^  Call: (196) [user] is_delimiter(i)
   Call: (197) [system] char_type(i, space)
   Call: (197) [system] arg(_754310, v('(', ')', end_of_file), i)
   Call: (196) [system] ')'==i
   Call: (196) [system] get_char((0x56051b6b4f40), i)
   Exit: (196) [system] get_char((0x56051b6b4f40), i)
   Call: (196) [system] i=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _758880)
   Call: (197) [system] peek_char((0x56051b6b4f40), _759814)
   Exit: (197) [system] peek_char((0x56051b6b4f40), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_763606, v('(', ')', end_of_file), c)
   Call: (197) [system] ')'==c
   Call: (197) [system] get_char((0x56051b6b4f40), c)
   Exit: (197) [system] get_char((0x56051b6b4f40), c)
   Call: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _768176)
   Call: (198) [system] peek_char((0x56051b6b4f40), _769110)
   Exit: (198) [system] peek_char((0x56051b6b4f40), a)
^  Call: (198) [user] is_delimiter(a)
   Call: (199) [system] char_type(a, space)
   Call: (199) [system] arg(_772902, v('(', ')', end_of_file), a)
   Call: (198) [system] ')'==a
   Call: (198) [system] get_char((0x56051b6b4f40), a)
   Exit: (198) [system] get_char((0x56051b6b4f40), a)
   Call: (198) [system] a=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _777472)
   Call: (199) [system] peek_char((0x56051b6b4f40), _778406)
   Exit: (199) [system] peek_char((0x56051b6b4f40), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_782198, v('(', ')', end_of_file), t)
   Call: (199) [system] ')'==t
   Call: (199) [system] get_char((0x56051b6b4f40), t)
   Exit: (199) [system] get_char((0x56051b6b4f40), t)
   Call: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _786768)
   Call: (200) [system] peek_char((0x56051b6b4f40), _787702)
   Exit: (200) [system] peek_char((0x56051b6b4f40), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_791494, v('(', ')', end_of_file), i)
   Call: (200) [system] ')'==i
   Call: (200) [system] get_char((0x56051b6b4f40), i)
   Exit: (200) [system] get_char((0x56051b6b4f40), i)
   Call: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _796064)
   Call: (201) [system] peek_char((0x56051b6b4f40), _796998)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_800790, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _805360)
   Call: (202) [system] peek_char((0x56051b6b4f40), _806294)
   Exit: (202) [system] peek_char((0x56051b6b4f40), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_810086, v('(', ')', end_of_file), n)
   Call: (202) [system] ')'==n
   Call: (202) [system] get_char((0x56051b6b4f40), n)
   Exit: (202) [system] get_char((0x56051b6b4f40), n)
   Call: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _814656)
   Call: (203) [system] peek_char((0x56051b6b4f40), _815590)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _814656=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _805360=[n]
   Exit: (202) [system] [n]=[n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (201) [system] _796064=[o, n]
   Exit: (201) [system] [o, n]=[o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (200) [system] _786768=[i, o, n]
   Exit: (200) [system] [i, o, n]=[i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (199) [system] _777472=[t, i, o, n]
   Exit: (199) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (198) [system] _768176=[a, t, i, o, n]
   Exit: (198) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (197) [system] _758880=[c, a, t, i, o, n]
   Exit: (197) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (196) [system] _749584=[i, c, a, t, i, o, n]
   Exit: (196) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (195) [system] _740288=[l, i, c, a, t, i, o, n]
   Exit: (195) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (194) [system] _730992=[p, l, i, c, a, t, i, o, n]
   Exit: (194) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (193) [system] _721696=[m, p, l, i, c, a, t, i, o, n]
   Exit: (193) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (192) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _701152)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_852840, _852842), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _701152), _852816, fail)), '$restore_trace'(_852840, _852842))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_852840, _852842))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _701152), _852816, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(_701152)
   Call: (193) [system] atom_chars(_701152, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (193) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (192) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _861292)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _863150)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _869960)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _872664)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _882056)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _885770)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _887628)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _896096)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _885770)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _901666)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (194) [system] 'A'=(;)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _910134)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _913848)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _915706)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (195) [system] 'A'=(;)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _924174)
   Exit: (194) [system] get_char((0x56051b6b4f40), 'A')
   Call: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _913848)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _934392)
   Call: (196) [system] peek_char((0x56051b6b4f40), _935326)
   Exit: (196) [system] peek_char((0x56051b6b4f40), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_939118, v('(', ')', end_of_file), n)
   Call: (196) [system] ')'==n
   Call: (196) [system] get_char((0x56051b6b4f40), n)
   Exit: (196) [system] get_char((0x56051b6b4f40), n)
   Call: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _943688)
   Call: (197) [system] peek_char((0x56051b6b4f40), _944622)
   Exit: (197) [system] peek_char((0x56051b6b4f40), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_948414, v('(', ')', end_of_file), d)
   Call: (197) [system] ')'==d
   Call: (197) [system] get_char((0x56051b6b4f40), d)
   Exit: (197) [system] get_char((0x56051b6b4f40), d)
   Call: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _952984)
   Call: (198) [system] peek_char((0x56051b6b4f40), _953918)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_957710, v('(', ')', end_of_file), 'L')
   Call: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (198) [system] get_char((0x56051b6b4f40), 'L')
   Call: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _962280)
   Call: (199) [system] peek_char((0x56051b6b4f40), _963214)
   Exit: (199) [system] peek_char((0x56051b6b4f40), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_967006, v('(', ')', end_of_file), i)
   Call: (199) [system] ')'==i
   Call: (199) [system] get_char((0x56051b6b4f40), i)
   Exit: (199) [system] get_char((0x56051b6b4f40), i)
   Call: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _971576)
   Call: (200) [system] peek_char((0x56051b6b4f40), _972510)
   Exit: (200) [system] peek_char((0x56051b6b4f40), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_976302, v('(', ')', end_of_file), n)
   Call: (200) [system] ')'==n
   Call: (200) [system] get_char((0x56051b6b4f40), n)
   Exit: (200) [system] get_char((0x56051b6b4f40), n)
   Call: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _980872)
   Call: (201) [system] peek_char((0x56051b6b4f40), _981806)
   Exit: (201) [system] peek_char((0x56051b6b4f40), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_985598, v('(', ')', end_of_file), k)
   Call: (201) [system] ')'==k
   Call: (201) [system] get_char((0x56051b6b4f40), k)
   Exit: (201) [system] get_char((0x56051b6b4f40), k)
   Call: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _990168)
   Call: (202) [system] peek_char((0x56051b6b4f40), _991102)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _990168=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (201) [system] _980872=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (200) [system] _971576=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (199) [system] _962280=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (198) [system] _952984=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (197) [system] _943688=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (196) [system] _934392=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _913848)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1017176, _1017178), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _913848), _1017152, fail)), '$restore_trace'(_1017176, _1017178))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1017176, _1017178))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _913848), _1017152, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_913848)
   Call: (196) [system] atom_chars(_913848, ['A', n, d, 'L', i, n, k])
   Exit: (196) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1025628)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1027486)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1034296)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1037000)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (196) [system] 'A'=(;)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1046392)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (194) [system] 'A'=')'
   Call: (194) [system] 'A'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1050106)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1051964)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (196) [system] 'A'=(;)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1060432)
   Exit: (195) [system] get_char((0x56051b6b4f40), 'A')
   Call: (195) [system] 'A'='('
   Call: (195) [system] 'A'='['
   Call: (195) [system] 'A'='{'
   Call: (195) [system] 'A'='"'
   Call: (195) [system] 'A'=!
   Call: (195) [system] 'A'='\''
   Call: (195) [system] 'A'='`'
   Call: (195) [system] 'A'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1050106)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1070650)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1071584)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1070650=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq('A', [], _1050106)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1080894, _1080896), once(user:catch(read_from_chars(['A'], _1050106), _1080870, fail)), '$restore_trace'(_1080894, _1080896))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1080894, _1080896))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1050106), _1080870, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1050106)
   Call: (197) [system] atom_chars(_1050106, ['A'])
   Exit: (197) [system] atom_chars('A', ['A'])
^  Exit: (196) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1089346)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1091204)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1098014)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1100718)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (197) [system] 'B'=(;)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1110110)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (195) [system] 'B'=')'
   Call: (195) [system] 'B'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1113824)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1115682)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (197) [system] 'B'=(;)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1124150)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'B')
   Call: (196) [system] 'B'='('
   Call: (196) [system] 'B'='['
   Call: (196) [system] 'B'='{'
   Call: (196) [system] 'B'='"'
   Call: (196) [system] 'B'=!
   Call: (196) [system] 'B'='\''
   Call: (196) [system] 'B'='`'
   Call: (196) [system] 'B'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1113824)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1134368)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1135302)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_1139094, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _1134368=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq('B', [], _1113824)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1145556, _1145558), once(user:catch(read_from_chars(['B'], _1113824), _1145532, fail)), '$restore_trace'(_1145556, _1145558))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1145556, _1145558))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1113824), _1145532, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1113824)
   Call: (198) [system] atom_chars(_1113824, ['B'])
   Exit: (198) [system] atom_chars('B', ['B'])
^  Exit: (197) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1154008)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1155866)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1164334)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1168124)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1154008=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1089346=['B']
   Exit: (195) [system] ['B']=['B']
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (194) [system] _1025628=['A', 'B']
   Exit: (194) [system] ['A', 'B']=['A', 'B']
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (193) [system] _885770=['AndLink', 'A', 'B']
   Exit: (193) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1182006)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1183864)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1190674)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1193378)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (194) [system] 'C'=(;)
^  Call: (194) [user] is_like_space('C')
   Call: (195) [system] char_type('C', 'white')
   Call: (195) [system] char_type('C', end_of_line)
   Call: (195) [system] char_type('C', space)
   Call: (195) [system] char_type('C', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1202770)
   Exit: (192) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (192) [system] 'C'=')'
   Call: (192) [system] 'C'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1206484)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1208342)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (194) [system] 'C'=(;)
^  Call: (194) [user] is_like_space('C')
   Call: (195) [system] char_type('C', 'white')
   Call: (195) [system] char_type('C', end_of_line)
   Call: (195) [system] char_type('C', space)
   Call: (195) [system] char_type('C', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1216810)
   Exit: (193) [system] get_char((0x56051b6b4f40), 'C')
   Call: (193) [system] 'C'='('
   Call: (193) [system] 'C'='['
   Call: (193) [system] 'C'='{'
   Call: (193) [system] 'C'='"'
   Call: (193) [system] 'C'=!
   Call: (193) [system] 'C'='\''
   Call: (193) [system] 'C'='`'
   Call: (193) [system] 'C'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1206484)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1227028)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1227962)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_1231754, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _1227028=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (194) [user] classify_and_convert_charseq('C', [], _1206484)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1238216, _1238218), once(user:catch(read_from_chars(['C'], _1206484), _1238192, fail)), '$restore_trace'(_1238216, _1238218))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1238216, _1238218))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1206484), _1238192, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_1206484)
   Call: (195) [system] atom_chars(_1206484, ['C'])
   Exit: (195) [system] atom_chars('C', ['C'])
^  Exit: (194) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1246668)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1248526)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1256994)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _1260784)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _1246668=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _1182006=['C']
   Exit: (192) [system] ['C']=['C']
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (191) [system] _861292=[['AndLink', 'A', 'B'], 'C']
   Exit: (191) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (190) [system] _673074=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (190) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1274666)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1276524)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1284992)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1288782)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1274666=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _648596=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (188) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (187) [system] _561650=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (187) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (186) [system] _495284=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (186) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1302664)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1304522)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1312990)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1316780)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1302664=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _470806=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (184) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (183) [system] _344518=[[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (183) [system] [[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (182) [system] _245600=[=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (182) [system] [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (179) [user] assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))
^  Exit: (179) [user] assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 97, 0, 4017, '$stream_position'(4017, 97, 0, 4017)), read_sexpr((0x56051b6b4f40), [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]]), assertz(metta_file_comment(97, 0, 4017, [=, [kb], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]], '$stream_position'(4017, 97, 0, 4017)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1335298, _1335300, _1335302, _1335304, _1335306))
^  Exit: (177) [user] retract(metta_file_comment(47, 0, 1473, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$stream_position'(1473, 47, 0, 1473)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1338146))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1338146)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1338146)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1340962))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1340962))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1340962)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1343762))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1343762)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1343762)
   Call: (187) [system] var('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] atom('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==true
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==false
   Call: (187) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==[_1350282, _1350288]
   Call: (187) [system] is_list('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] string('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] compound('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Exit: (187) [system] compound('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1354916, _1354918)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], _1358658)
   Call: (188) [apply] apply:maplist_([";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], _1358658, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; TODO: recurse over curried rules instead of duplicating code over", _1360538)
   Call: (190) [system] var(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==true
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==false
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"==[_1365180, _1365186]
   Call: (190) [system] is_list(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] string(";; TODO: recurse over curried rules instead of duplicating code over")
   Exit: (190) [system] string(";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; TODO: recurse over curried rules instead of duplicating code over")
^  Call: (190) [user] symbol(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (191) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
   Fail: (191) [system] atom(";; TODO: recurse over curried rules instead of duplicating code over")
^  Fail: (190) [user] symbol(";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=_1360538
   Exit: (190) [system] ";; TODO: recurse over curried rules instead of duplicating code over"=";; TODO: recurse over curried rules instead of duplicating code over"
^  Exit: (189) [user] mfix_vars1(";; TODO: recurse over curried rules instead of duplicating code over", ";; TODO: recurse over curried rules instead of duplicating code over")
   Call: (189) [apply] apply:maplist_([47, 0], _1360540, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(47, _1379060)
   Call: (191) [system] var(47)
   Call: (191) [system] atom(47)
   Call: (191) [system] 47==true
   Call: (191) [system] 47==false
   Call: (191) [system] 47==[_1383702, _1383708]
   Call: (191) [system] is_list(47)
   Call: (191) [system] string(47)
   Call: (191) [system] compound(47)
^  Call: (191) [user] symbol(47)
   Call: (192) [system] atom(47)
   Fail: (192) [system] atom(47)
^  Fail: (191) [user] symbol(47)
   Call: (191) [system] 47=_1379060
   Exit: (191) [system] 47=47
^  Exit: (190) [user] mfix_vars1(47, 47)
   Call: (190) [apply] apply:maplist_([0], _1379062, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1394826)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1399468, _1399474]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1394826
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1394828, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([47, 0], [47, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0], [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Call: (187) [system] compound_name_arguments(_1343762, '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT', [";; TODO: recurse over curried rules instead of duplicating code over", 47, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1423644))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1423644))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1423644)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1426444))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1426444)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1426444)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1338146))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1338146))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1338146)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1440402))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1440402)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), _1440402)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (184) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (178) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)\=@='$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)))
   Call: (169) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), nthesize_long_1726792630_1772065, 96)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792637.38283)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792637.38283-1726792634.4645028
   Exit: (173) [system] 2.9183270931243896 is 1726792637.38283-1726792634.4645028
   Call: (173) [system] 2.9183270931243896>4
   Fail: (173) [system] 2.9183270931243896>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 13)
   Call: (175) [system] atom(13+1)
   Call: (175) [system] set_flag(translated_forms, 14)
   Exit: (175) [system] set_flag(translated_forms, 14)
   Exit: (174) [$syspreds] update_flag(translated_forms, 13, 13+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 13, 13+1))
   Exit: (171) [$syspreds] flag(translated_forms, 13, 13+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), nthesize_long_1726792630_1772065, 96)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; TODO: recurse over curried rules instead of duplicating code over"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; TODO: recurse over curried rules instead of duplicating code over"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), nthesize_long_1726792630_1772065, 96)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0)), 96]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 13, 13+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; TODO: recurse over curried rules instead of duplicating code over", 47, 0), nthesize_long_1726792630_1772065, 96)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 97)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 97))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 97))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1515186)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1522608)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1530946)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1533732=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _1535600, _1535602, _1535604, _1535606), read_sexpr((0x56051b6b4f40), _1535618), assertz(metta_file_comment(_1535600, _1535602, _1535604, _1535618, _1535606))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _1535600, _1535602, _1535604, _1535606)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_1535606))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_1535606))
   Exit: (181) [system] nonvar(position(_1535606))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4064, 98, 0, 4064)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4064, 98, 0, 4064), _1535600)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1545858)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4064, 98, 0, 4064), _1535600)
   Exit: (181) [system] arg(2, '$stream_position'(4064, 98, 0, 4064), 98)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4064, 98, 0, 4064), 98)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4064, 98, 0, 4064), _1535602)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1553292)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4064, 98, 0, 4064), _1535602)
   Exit: (181) [system] arg(3, '$stream_position'(4064, 98, 0, 4064), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4064, 98, 0, 4064), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4064, 98, 0, 4064), _1535604)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1560726)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4064, 98, 0, 4064), _1535604)
   Exit: (181) [system] arg(1, '$stream_position'(4064, 98, 0, 4064), 4064)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4064, 98, 0, 4064), 4064)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 98, 0, 4064, '$stream_position'(4064, 98, 0, 4064))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _1535618)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1535618)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1570028)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1578496)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1535618)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1584066)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1592534)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1596248)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1598106)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1606574)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _1596248)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1616792)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1617726)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1616792=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1596248)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1627036, _1627038), once(user:catch(read_from_chars([=], _1596248), _1627012, fail)), '$restore_trace'(_1627036, _1627038))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1627036, _1627038))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1627012, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1634536)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1636394)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1643204)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1645908)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1655300)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1659014)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1660872)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1669340)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1659014)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1674910)
   Exit: (186) [system] peek_char((0x56051b6b4f40), k)
   Call: (186) [system] k=(;)
^  Call: (186) [user] is_like_space(k)
   Call: (187) [system] char_type(k, 'white')
   Call: (187) [system] char_type(k, end_of_line)
   Call: (187) [system] char_type(k, space)
   Call: (187) [system] char_type(k, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1683378)
   Exit: (185) [system] peek_char((0x56051b6b4f40), k)
   Call: (185) [system] k=')'
   Call: (185) [system] k=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1687092)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1688950)
   Exit: (187) [system] peek_char((0x56051b6b4f40), k)
   Call: (187) [system] k=(;)
^  Call: (187) [user] is_like_space(k)
   Call: (188) [system] char_type(k, 'white')
   Call: (188) [system] char_type(k, end_of_line)
   Call: (188) [system] char_type(k, space)
   Call: (188) [system] char_type(k, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1697418)
   Exit: (186) [system] get_char((0x56051b6b4f40), k)
   Call: (186) [system] k='('
   Call: (186) [system] k='['
   Call: (186) [system] k='{'
   Call: (186) [system] k='"'
   Call: (186) [system] k=!
   Call: (186) [system] k='\''
   Call: (186) [system] k='`'
   Call: (186) [system] k=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), k, _1687092)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1707636)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1708570)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1712362, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1716932)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1717866)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1721658, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1716932=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _1707636=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(k, [b], _1687092)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1730914, _1730916), once(user:catch(read_from_chars([k, b], _1687092), _1730890, fail)), '$restore_trace'(_1730914, _1730916))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1730914, _1730916))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1730890, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(kb)
   Exit: (188) [system] atomic(kb)
^  Exit: (187) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), k, kb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), kb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1738414)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1740272)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1748740)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _1752530)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _1738414=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _1659014=[kb]
   Exit: (185) [system] [kb]=[kb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [kb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [kb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _1760824)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1762682)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _1769492)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1772196)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1781588)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _1785302)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1787160)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _1795628)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1785302)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1801198)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1809666)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1813380)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1815238)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1823706)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _1813380)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1833924)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1834858)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1833924=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _1813380)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1844168, _1844170), once(user:catch(read_from_chars([:], _1813380), _1844144, fail)), '$restore_trace'(_1844168, _1844170))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1844168, _1844170))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1844144, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _1851668)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1853526)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1860336)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1863040)
   Exit: (189) [system] peek_char((0x56051b6b4f40), c)
   Call: (189) [system] c=(;)
^  Call: (189) [user] is_like_space(c)
   Call: (190) [system] char_type(c, 'white')
   Call: (190) [system] char_type(c, end_of_line)
   Call: (190) [system] char_type(c, space)
   Call: (190) [system] char_type(c, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1872432)
   Exit: (187) [system] peek_char((0x56051b6b4f40), c)
   Call: (187) [system] c=')'
   Call: (187) [system] c=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _1876146)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1878004)
   Exit: (189) [system] peek_char((0x56051b6b4f40), c)
   Call: (189) [system] c=(;)
^  Call: (189) [user] is_like_space(c)
   Call: (190) [system] char_type(c, 'white')
   Call: (190) [system] char_type(c, end_of_line)
   Call: (190) [system] char_type(c, space)
   Call: (190) [system] char_type(c, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _1886472)
   Exit: (188) [system] get_char((0x56051b6b4f40), c)
   Call: (188) [system] c='('
   Call: (188) [system] c='['
   Call: (188) [system] c='{'
   Call: (188) [system] c='"'
   Call: (188) [system] c=!
   Call: (188) [system] c='\''
   Call: (188) [system] c='`'
   Call: (188) [system] c=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), c, _1876146)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1896690)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1897624)
   Exit: (190) [system] peek_char((0x56051b6b4f40), d)
^  Call: (190) [user] is_delimiter(d)
   Call: (191) [system] char_type(d, space)
   Call: (191) [system] arg(_1901416, v('(', ')', end_of_file), d)
   Call: (190) [system] ')'==d
   Call: (190) [system] get_char((0x56051b6b4f40), d)
   Exit: (190) [system] get_char((0x56051b6b4f40), d)
   Call: (190) [system] d=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1905986)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1906920)
   Exit: (191) [system] peek_char((0x56051b6b4f40), e)
^  Call: (191) [user] is_delimiter(e)
   Call: (192) [system] char_type(e, space)
   Call: (192) [system] arg(_1910712, v('(', ')', end_of_file), e)
   Call: (191) [system] ')'==e
   Call: (191) [system] get_char((0x56051b6b4f40), e)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] e=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1915282)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1916216)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _1915282=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _1905986=[e]
   Exit: (191) [system] [e]=[e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (190) [system] _1896690=[d, e]
   Exit: (190) [system] [d, e]=[d, e]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (189) [user] classify_and_convert_charseq(c, [d, e], _1876146)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1931114, _1931116), once(user:catch(read_from_chars([c, d, e], _1876146), _1931090, fail)), '$restore_trace'(_1931114, _1931116))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1931114, _1931116))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1931090, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(cde)
   Exit: (190) [system] atomic(cde)
^  Exit: (189) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1938614)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1940472)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1947282)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1949986)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1959378)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _1963092)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1964950)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _1973418)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1963092)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1978988)
   Exit: (191) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (191) [system] 'I'=(;)
^  Call: (191) [user] is_like_space('I')
   Call: (192) [system] char_type('I', 'white')
   Call: (192) [system] char_type('I', end_of_line)
   Call: (192) [system] char_type('I', space)
   Call: (192) [system] char_type('I', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1987456)
   Exit: (190) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (190) [system] 'I'=')'
   Call: (190) [system] 'I'=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1991170)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1993028)
   Exit: (192) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (192) [system] 'I'=(;)
^  Call: (192) [user] is_like_space('I')
   Call: (193) [system] char_type('I', 'white')
   Call: (193) [system] char_type('I', end_of_line)
   Call: (193) [system] char_type('I', space)
   Call: (193) [system] char_type('I', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _2001496)
   Exit: (191) [system] get_char((0x56051b6b4f40), 'I')
   Call: (191) [system] 'I'='('
   Call: (191) [system] 'I'='['
   Call: (191) [system] 'I'='{'
   Call: (191) [system] 'I'='"'
   Call: (191) [system] 'I'=!
   Call: (191) [system] 'I'='\''
   Call: (191) [system] 'I'='`'
   Call: (191) [system] 'I'=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1991170)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2011714)
   Call: (193) [system] peek_char((0x56051b6b4f40), _2012648)
   Exit: (193) [system] peek_char((0x56051b6b4f40), m)
^  Call: (193) [user] is_delimiter(m)
   Call: (194) [system] char_type(m, space)
   Call: (194) [system] arg(_2016440, v('(', ')', end_of_file), m)
   Call: (193) [system] ')'==m
   Call: (193) [system] get_char((0x56051b6b4f40), m)
   Exit: (193) [system] get_char((0x56051b6b4f40), m)
   Call: (193) [system] m=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2021010)
   Call: (194) [system] peek_char((0x56051b6b4f40), _2021944)
   Exit: (194) [system] peek_char((0x56051b6b4f40), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_2025736, v('(', ')', end_of_file), p)
   Call: (194) [system] ')'==p
   Call: (194) [system] get_char((0x56051b6b4f40), p)
   Exit: (194) [system] get_char((0x56051b6b4f40), p)
   Call: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2030306)
   Call: (195) [system] peek_char((0x56051b6b4f40), _2031240)
   Exit: (195) [system] peek_char((0x56051b6b4f40), l)
^  Call: (195) [user] is_delimiter(l)
   Call: (196) [system] char_type(l, space)
   Call: (196) [system] arg(_2035032, v('(', ')', end_of_file), l)
   Call: (195) [system] ')'==l
   Call: (195) [system] get_char((0x56051b6b4f40), l)
   Exit: (195) [system] get_char((0x56051b6b4f40), l)
   Call: (195) [system] l=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2039602)
   Call: (196) [system] peek_char((0x56051b6b4f40), _2040536)
   Exit: (196) [system] peek_char((0x56051b6b4f40), i)
^  Call: (196) [user] is_delimiter(i)
   Call: (197) [system] char_type(i, space)
   Call: (197) [system] arg(_2044328, v('(', ')', end_of_file), i)
   Call: (196) [system] ')'==i
   Call: (196) [system] get_char((0x56051b6b4f40), i)
   Exit: (196) [system] get_char((0x56051b6b4f40), i)
   Call: (196) [system] i=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2048898)
   Call: (197) [system] peek_char((0x56051b6b4f40), _2049832)
   Exit: (197) [system] peek_char((0x56051b6b4f40), c)
^  Call: (197) [user] is_delimiter(c)
   Call: (198) [system] char_type(c, space)
   Call: (198) [system] arg(_2053624, v('(', ')', end_of_file), c)
   Call: (197) [system] ')'==c
   Call: (197) [system] get_char((0x56051b6b4f40), c)
   Exit: (197) [system] get_char((0x56051b6b4f40), c)
   Call: (197) [system] c=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2058194)
   Call: (198) [system] peek_char((0x56051b6b4f40), _2059128)
   Exit: (198) [system] peek_char((0x56051b6b4f40), a)
^  Call: (198) [user] is_delimiter(a)
   Call: (199) [system] char_type(a, space)
   Call: (199) [system] arg(_2062920, v('(', ')', end_of_file), a)
   Call: (198) [system] ')'==a
   Call: (198) [system] get_char((0x56051b6b4f40), a)
   Exit: (198) [system] get_char((0x56051b6b4f40), a)
   Call: (198) [system] a=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2067490)
   Call: (199) [system] peek_char((0x56051b6b4f40), _2068424)
   Exit: (199) [system] peek_char((0x56051b6b4f40), t)
^  Call: (199) [user] is_delimiter(t)
   Call: (200) [system] char_type(t, space)
   Call: (200) [system] arg(_2072216, v('(', ')', end_of_file), t)
   Call: (199) [system] ')'==t
   Call: (199) [system] get_char((0x56051b6b4f40), t)
   Exit: (199) [system] get_char((0x56051b6b4f40), t)
   Call: (199) [system] t=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2076786)
   Call: (200) [system] peek_char((0x56051b6b4f40), _2077720)
   Exit: (200) [system] peek_char((0x56051b6b4f40), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_2081512, v('(', ')', end_of_file), i)
   Call: (200) [system] ')'==i
   Call: (200) [system] get_char((0x56051b6b4f40), i)
   Exit: (200) [system] get_char((0x56051b6b4f40), i)
   Call: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2086082)
   Call: (201) [system] peek_char((0x56051b6b4f40), _2087016)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_2090808, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2095378)
   Call: (202) [system] peek_char((0x56051b6b4f40), _3446)
   Exit: (202) [system] peek_char((0x56051b6b4f40), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_6738, v('(', ')', end_of_file), n)
   Call: (202) [system] ')'==n
   Call: (202) [system] get_char((0x56051b6b4f40), n)
   Exit: (202) [system] get_char((0x56051b6b4f40), n)
   Call: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _11308)
   Call: (203) [system] peek_char((0x56051b6b4f40), _12242)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _11308=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _3442=[n]
   Exit: (202) [system] [n]=[n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (201) [system] _3438=[o, n]
   Exit: (201) [system] [o, n]=[o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (200) [system] _3434=[i, o, n]
   Exit: (200) [system] [i, o, n]=[i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (199) [system] _3430=[t, i, o, n]
   Exit: (199) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (198) [system] _3426=[a, t, i, o, n]
   Exit: (198) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (197) [system] _3422=[c, a, t, i, o, n]
   Exit: (197) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (196) [system] _3418=[i, c, a, t, i, o, n]
   Exit: (196) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (195) [system] _3414=[l, i, c, a, t, i, o, n]
   Exit: (195) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (194) [system] _3410=[p, l, i, c, a, t, i, o, n]
   Exit: (194) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (193) [system] _3406=[m, p, l, i, c, a, t, i, o, n]
   Exit: (193) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (192) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _3402)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_49492, _49494), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _3402), _49468, fail)), '$restore_trace'(_49492, _49494))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_49492, _49494))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _3402), _49468, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(_3402)
   Call: (193) [system] atom_chars(_3402, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (193) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (192) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _57944)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _59802)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _66612)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _69316)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _78708)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _82422)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _84280)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _92748)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _82422)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _98318)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (194) [system] 'O'=(;)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _106786)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _110500)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _112358)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (195) [system] 'O'=(;)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _120826)
   Exit: (194) [system] get_char((0x56051b6b4f40), 'O')
   Call: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _110500)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _131044)
   Call: (196) [system] peek_char((0x56051b6b4f40), _131978)
   Exit: (196) [system] peek_char((0x56051b6b4f40), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_135770, v('(', ')', end_of_file), r)
   Call: (196) [system] ')'==r
   Call: (196) [system] get_char((0x56051b6b4f40), r)
   Exit: (196) [system] get_char((0x56051b6b4f40), r)
   Call: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _140340)
   Call: (197) [system] peek_char((0x56051b6b4f40), _141274)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_145066, v('(', ')', end_of_file), 'L')
   Call: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (197) [system] get_char((0x56051b6b4f40), 'L')
   Call: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _149636)
   Call: (198) [system] peek_char((0x56051b6b4f40), _150570)
   Exit: (198) [system] peek_char((0x56051b6b4f40), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_154362, v('(', ')', end_of_file), i)
   Call: (198) [system] ')'==i
   Call: (198) [system] get_char((0x56051b6b4f40), i)
   Exit: (198) [system] get_char((0x56051b6b4f40), i)
   Call: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _158932)
   Call: (199) [system] peek_char((0x56051b6b4f40), _159866)
   Exit: (199) [system] peek_char((0x56051b6b4f40), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_163658, v('(', ')', end_of_file), n)
   Call: (199) [system] ')'==n
   Call: (199) [system] get_char((0x56051b6b4f40), n)
   Exit: (199) [system] get_char((0x56051b6b4f40), n)
   Call: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _168228)
   Call: (200) [system] peek_char((0x56051b6b4f40), _169162)
   Exit: (200) [system] peek_char((0x56051b6b4f40), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_172954, v('(', ')', end_of_file), k)
   Call: (200) [system] ')'==k
   Call: (200) [system] get_char((0x56051b6b4f40), k)
   Exit: (200) [system] get_char((0x56051b6b4f40), k)
   Call: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _177524)
   Call: (201) [system] peek_char((0x56051b6b4f40), _178458)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _177524=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _168228=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (199) [system] _158932=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (198) [system] _149636=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (197) [system] _140340=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (196) [system] _131044=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _110500)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_201738, _201740), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _110500), _201714, fail)), '$restore_trace'(_201738, _201740))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_201738, _201740))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _110500), _201714, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_110500)
   Call: (196) [system] atom_chars(_110500, ['O', r, 'L', i, n, k])
   Exit: (196) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _210190)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _212048)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _218858)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _221562)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (196) [system] 'C'=(;)
^  Call: (196) [user] is_like_space('C')
   Call: (197) [system] char_type('C', 'white')
   Call: (197) [system] char_type('C', end_of_line)
   Call: (197) [system] char_type('C', space)
   Call: (197) [system] char_type('C', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _230954)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (194) [system] 'C'=')'
   Call: (194) [system] 'C'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _234668)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _236526)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (196) [system] 'C'=(;)
^  Call: (196) [user] is_like_space('C')
   Call: (197) [system] char_type('C', 'white')
   Call: (197) [system] char_type('C', end_of_line)
   Call: (197) [system] char_type('C', space)
   Call: (197) [system] char_type('C', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _244994)
   Exit: (195) [system] get_char((0x56051b6b4f40), 'C')
   Call: (195) [system] 'C'='('
   Call: (195) [system] 'C'='['
   Call: (195) [system] 'C'='{'
   Call: (195) [system] 'C'='"'
   Call: (195) [system] 'C'=!
   Call: (195) [system] 'C'='\''
   Call: (195) [system] 'C'='`'
   Call: (195) [system] 'C'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _234668)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _255212)
   Call: (197) [system] peek_char((0x56051b6b4f40), _256146)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _255212=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq('C', [], _234668)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_265456, _265458), once(user:catch(read_from_chars(['C'], _234668), _265432, fail)), '$restore_trace'(_265456, _265458))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_265456, _265458))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _234668), _265432, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_234668)
   Call: (197) [system] atom_chars(_234668, ['C'])
   Exit: (197) [system] atom_chars('C', ['C'])
^  Exit: (196) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _273908)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _275766)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _282576)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _285280)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (197) [system] 'D'=(;)
^  Call: (197) [user] is_like_space('D')
   Call: (198) [system] char_type('D', 'white')
   Call: (198) [system] char_type('D', end_of_line)
   Call: (198) [system] char_type('D', space)
   Call: (198) [system] char_type('D', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _294672)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (195) [system] 'D'=')'
   Call: (195) [system] 'D'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _298386)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _300244)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (197) [system] 'D'=(;)
^  Call: (197) [user] is_like_space('D')
   Call: (198) [system] char_type('D', 'white')
   Call: (198) [system] char_type('D', end_of_line)
   Call: (198) [system] char_type('D', space)
   Call: (198) [system] char_type('D', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _308712)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'D')
   Call: (196) [system] 'D'='('
   Call: (196) [system] 'D'='['
   Call: (196) [system] 'D'='{'
   Call: (196) [system] 'D'='"'
   Call: (196) [system] 'D'=!
   Call: (196) [system] 'D'='\''
   Call: (196) [system] 'D'='`'
   Call: (196) [system] 'D'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _298386)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _318930)
   Call: (198) [system] peek_char((0x56051b6b4f40), _319864)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_323656, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _318930=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq('D', [], _298386)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_330118, _330120), once(user:catch(read_from_chars(['D'], _298386), _330094, fail)), '$restore_trace'(_330118, _330120))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_330118, _330120))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _298386), _330094, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_298386)
   Call: (198) [system] atom_chars(_298386, ['D'])
   Exit: (198) [system] atom_chars('D', ['D'])
^  Exit: (197) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _338570)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _340428)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _348896)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _352686)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _338570=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _273908=['D']
   Exit: (195) [system] ['D']=['D']
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (194) [system] _210190=['C', 'D']
   Exit: (194) [system] ['C', 'D']=['C', 'D']
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (193) [system] _82422=['OrLink', 'C', 'D']
   Exit: (193) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _366568)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _368426)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _375236)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _377940)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (194) [system] 'E'=(;)
^  Call: (194) [user] is_like_space('E')
   Call: (195) [system] char_type('E', 'white')
   Call: (195) [system] char_type('E', end_of_line)
   Call: (195) [system] char_type('E', space)
   Call: (195) [system] char_type('E', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _387332)
   Exit: (192) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (192) [system] 'E'=')'
   Call: (192) [system] 'E'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _391046)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _392904)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (194) [system] 'E'=(;)
^  Call: (194) [user] is_like_space('E')
   Call: (195) [system] char_type('E', 'white')
   Call: (195) [system] char_type('E', end_of_line)
   Call: (195) [system] char_type('E', space)
   Call: (195) [system] char_type('E', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _401372)
   Exit: (193) [system] get_char((0x56051b6b4f40), 'E')
   Call: (193) [system] 'E'='('
   Call: (193) [system] 'E'='['
   Call: (193) [system] 'E'='{'
   Call: (193) [system] 'E'='"'
   Call: (193) [system] 'E'=!
   Call: (193) [system] 'E'='\''
   Call: (193) [system] 'E'='`'
   Call: (193) [system] 'E'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _391046)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _411590)
   Call: (195) [system] peek_char((0x56051b6b4f40), _412524)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_416316, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _411590=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (194) [user] classify_and_convert_charseq('E', [], _391046)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_422778, _422780), once(user:catch(read_from_chars(['E'], _391046), _422754, fail)), '$restore_trace'(_422778, _422780))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_422778, _422780))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _391046), _422754, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_391046)
   Call: (195) [system] atom_chars(_391046, ['E'])
   Exit: (195) [system] atom_chars('E', ['E'])
^  Exit: (194) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _431230)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _433088)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _441556)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _445346)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _431230=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _366568=['E']
   Exit: (192) [system] ['E']=['E']
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (191) [system] _57944=[['OrLink', 'C', 'D'], 'E']
   Exit: (191) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (190) [system] _3396=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (190) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _459228)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _461086)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _469554)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _473344)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _459228=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _3392=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (188) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (187) [system] _3386=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (187) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (186) [system] _3378=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (186) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _487226)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _489084)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _497552)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _501342)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _487226=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _3374=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (184) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (183) [system] _3362=[[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (183) [system] [[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (182) [system] _3322=[=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (182) [system] [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (179) [user] assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))
^  Exit: (179) [user] assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 98, 0, 4064, '$stream_position'(4064, 98, 0, 4064)), read_sexpr((0x56051b6b4f40), [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]), assertz(metta_file_comment(98, 0, 4064, [=, [kb], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]], '$stream_position'(4064, 98, 0, 4064)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_519860, _519862, _519864, _519866, _519868))
^  Exit: (177) [user] retract(metta_file_comment(48, 0, 1542, '$COMMENT'(";; tuples.", 48, 0), '$stream_position'(1542, 48, 0, 1542)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _522694))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), _522694)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; tuples.", 48, 0), _522694)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _525510))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _525510))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _525510)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _528310))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), _528310)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; tuples.", 48, 0), _528310)
   Call: (187) [system] var('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] atom('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==true
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==false
   Call: (187) [system] '$COMMENT'(";; tuples.", 48, 0)==[_534830, _534836]
   Call: (187) [system] is_list('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] string('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] compound('$COMMENT'(";; tuples.", 48, 0))
   Exit: (187) [system] compound('$COMMENT'(";; tuples.", 48, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), _539464, _539466)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), '$COMMENT', [";; tuples.", 48, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; tuples.", 48, 0], _543206)
   Call: (188) [apply] apply:maplist_([";; tuples.", 48, 0], _543206, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; tuples.", _545086)
   Call: (190) [system] var(";; tuples.")
   Call: (190) [system] atom(";; tuples.")
   Call: (190) [system] ";; tuples."==true
   Call: (190) [system] ";; tuples."==false
   Call: (190) [system] ";; tuples."==[_549728, _549734]
   Call: (190) [system] is_list(";; tuples.")
   Call: (190) [system] string(";; tuples.")
   Exit: (190) [system] string(";; tuples.")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; tuples.")
^  Call: (190) [user] symbol(";; tuples.")
   Call: (191) [system] atom(";; tuples.")
   Fail: (191) [system] atom(";; tuples.")
^  Fail: (190) [user] symbol(";; tuples.")
   Call: (190) [system] ";; tuples."=_545086
   Exit: (190) [system] ";; tuples."=";; tuples."
^  Exit: (189) [user] mfix_vars1(";; tuples.", ";; tuples.")
   Call: (189) [apply] apply:maplist_([48, 0], _545088, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(48, _563608)
   Call: (191) [system] var(48)
   Call: (191) [system] atom(48)
   Call: (191) [system] 48==true
   Call: (191) [system] 48==false
   Call: (191) [system] 48==[_568250, _568256]
   Call: (191) [system] is_list(48)
   Call: (191) [system] string(48)
   Call: (191) [system] compound(48)
^  Call: (191) [user] symbol(48)
   Call: (192) [system] atom(48)
   Fail: (192) [system] atom(48)
^  Fail: (191) [user] symbol(48)
   Call: (191) [system] 48=_563608
   Exit: (191) [system] 48=48
^  Exit: (190) [user] mfix_vars1(48, 48)
   Call: (190) [apply] apply:maplist_([0], _563610, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _579374)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_584016, _584022]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_579374
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _579376, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([48, 0], [48, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; tuples.", 48, 0], [";; tuples.", 48, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; tuples.", 48, 0], [";; tuples.", 48, 0])
   Call: (187) [system] compound_name_arguments(_528310, '$COMMENT', [";; tuples.", 48, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; tuples.", 48, 0), '$COMMENT', [";; tuples.", 48, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _608192))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _608192))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _608192)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _610992))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), _610992)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; tuples.", 48, 0), _610992)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _522694))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _522694))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _522694)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _624950))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), _624950)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; tuples.", 48, 0), _624950)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (184) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (178) [system] '$COMMENT'(";; tuples.", 48, 0)\=@='$COMMENT'(";; tuples.", 48, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; tuples.", 48, 0), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; tuples.", 48, 0)))
   Call: (169) [system] '$COMMENT'(";; tuples.", 48, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; tuples.", 48, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; tuples.", 48, 0), nthesize_long_1726792630_1772065, 97)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792637.5303094)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792637.5303094-1726792634.4645028
   Exit: (173) [system] 3.0658066272735596 is 1726792637.5303094-1726792634.4645028
   Call: (173) [system] 3.0658066272735596>4
   Fail: (173) [system] 3.0658066272735596>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 14)
   Call: (175) [system] atom(14+1)
   Call: (175) [system] set_flag(translated_forms, 15)
   Exit: (175) [system] set_flag(translated_forms, 15)
   Exit: (174) [$syspreds] update_flag(translated_forms, 14, 14+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 14, 14+1))
   Exit: (171) [$syspreds] flag(translated_forms, 14, 14+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; tuples.", 48, 0), nthesize_long_1726792630_1772065, 97)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; tuples."])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; tuples."])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; tuples.", 48, 0), nthesize_long_1726792630_1772065, 97)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; tuples.", 48, 0)), 97]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 14, 14+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; tuples.", 48, 0), nthesize_long_1726792630_1772065, 97)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 98)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 98))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 98))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _699734)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _707156)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (175) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (176) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (176) [system] peek_char((0x56051b6b4f40), _714578)
   Exit: (176) [system] peek_char((0x56051b6b4f40), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (177) [system] string((0x56051b6b4f40))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (178) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (178) [system] peek_char((0x56051b6b4f40), _722916)
   Exit: (178) [system] peek_char((0x56051b6b4f40), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _725702=(0x56051b6b4f40)
   Exit: (178) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (178) [user] once((read_position((0x56051b6b4f40), _727570, _727572, _727574, _727576), read_sexpr((0x56051b6b4f40), _727588), assertz(metta_file_comment(_727570, _727572, _727574, _727588, _727576))))
^  Call: (180) [user] read_position((0x56051b6b4f40), _727570, _727572, _727574, _727576)
   Call: (181) [system] stream_property((0x56051b6b4f40), position(_727576))
   Call: (182) [system] nonvar((0x56051b6b4f40))
   Exit: (182) [system] nonvar((0x56051b6b4f40))
   Call: (182) [system] nonvar(position(_727576))
   Exit: (182) [system] nonvar(position(_727576))
   Exit: (181) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4111, 100, 0, 4111)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4111, 100, 0, 4111), _727570)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _737828)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(4111, 100, 0, 4111), _727570)
   Exit: (182) [system] arg(2, '$stream_position'(4111, 100, 0, 4111), 100)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4111, 100, 0, 4111), 100)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4111, 100, 0, 4111), _727572)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _745262)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(4111, 100, 0, 4111), _727572)
   Exit: (182) [system] arg(3, '$stream_position'(4111, 100, 0, 4111), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4111, 100, 0, 4111), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4111, 100, 0, 4111), _727574)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _752696)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(4111, 100, 0, 4111), _727574)
   Exit: (182) [system] arg(1, '$stream_position'(4111, 100, 0, 4111), 4111)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4111, 100, 0, 4111), 4111)
^  Exit: (180) [user] read_position((0x56051b6b4f40), 100, 0, 4111, '$stream_position'(4111, 100, 0, 4111))
^  Call: (180) [user] read_sexpr((0x56051b6b4f40), _727588)
   Call: (181) [system] string((0x56051b6b4f40))
^  Call: (181) [user] cont_sexpr(')', (0x56051b6b4f40), _727588)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _761998)
   Exit: (183) [system] peek_char((0x56051b6b4f40), !)
   Call: (183) [system] !=(;)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] get_char((0x56051b6b4f40), _770466)
   Exit: (182) [system] get_char((0x56051b6b4f40), !)
   Call: (182) [system] !='('
   Call: (182) [system] !='['
   Call: (182) [system] !='{'
   Call: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x56051b6b4f40), _777892)
   Call: (183) [system] string((0x56051b6b4f40))
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _777892)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _781602)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _790070)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _777892)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _795640)
   Exit: (186) [system] peek_char((0x56051b6b4f40), a)
   Call: (186) [system] a=(;)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _804108)
   Exit: (185) [system] peek_char((0x56051b6b4f40), a)
   Call: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _807822)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _809680)
   Exit: (187) [system] peek_char((0x56051b6b4f40), a)
   Call: (187) [system] a=(;)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _818148)
   Exit: (186) [system] get_char((0x56051b6b4f40), a)
   Call: (186) [system] a='('
   Call: (186) [system] a='['
   Call: (186) [system] a='{'
   Call: (186) [system] a='"'
   Call: (186) [system] a=!
   Call: (186) [system] a='\''
   Call: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), a, _807822)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _828366)
   Call: (188) [system] peek_char((0x56051b6b4f40), _829300)
   Exit: (188) [system] peek_char((0x56051b6b4f40), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_833092, v('(', ')', end_of_file), s)
   Call: (188) [system] ')'==s
   Call: (188) [system] get_char((0x56051b6b4f40), s)
   Exit: (188) [system] get_char((0x56051b6b4f40), s)
   Call: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _837662)
   Call: (189) [system] peek_char((0x56051b6b4f40), _838596)
   Exit: (189) [system] peek_char((0x56051b6b4f40), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_842388, v('(', ')', end_of_file), s)
   Call: (189) [system] ')'==s
   Call: (189) [system] get_char((0x56051b6b4f40), s)
   Exit: (189) [system] get_char((0x56051b6b4f40), s)
   Call: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _846958)
   Call: (190) [system] peek_char((0x56051b6b4f40), _847892)
   Exit: (190) [system] peek_char((0x56051b6b4f40), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_851684, v('(', ')', end_of_file), e)
   Call: (190) [system] ')'==e
   Call: (190) [system] get_char((0x56051b6b4f40), e)
   Exit: (190) [system] get_char((0x56051b6b4f40), e)
   Call: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _856254)
   Call: (191) [system] peek_char((0x56051b6b4f40), _857188)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_860980, v('(', ')', end_of_file), r)
   Call: (191) [system] ')'==r
   Call: (191) [system] get_char((0x56051b6b4f40), r)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _865550)
   Call: (192) [system] peek_char((0x56051b6b4f40), _866484)
   Exit: (192) [system] peek_char((0x56051b6b4f40), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_870276, v('(', ')', end_of_file), t)
   Call: (192) [system] ')'==t
   Call: (192) [system] get_char((0x56051b6b4f40), t)
   Exit: (192) [system] get_char((0x56051b6b4f40), t)
   Call: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _874846)
   Call: (193) [system] peek_char((0x56051b6b4f40), _875780)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_879572, v('(', ')', end_of_file), 'E')
   Call: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x56051b6b4f40), 'E')
   Exit: (193) [system] get_char((0x56051b6b4f40), 'E')
   Call: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _884142)
   Call: (194) [system] peek_char((0x56051b6b4f40), _885076)
   Exit: (194) [system] peek_char((0x56051b6b4f40), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_888868, v('(', ')', end_of_file), q)
   Call: (194) [system] ')'==q
   Call: (194) [system] get_char((0x56051b6b4f40), q)
   Exit: (194) [system] get_char((0x56051b6b4f40), q)
   Call: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _893438)
   Call: (195) [system] peek_char((0x56051b6b4f40), _894372)
   Exit: (195) [system] peek_char((0x56051b6b4f40), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_898164, v('(', ')', end_of_file), u)
   Call: (195) [system] ')'==u
   Call: (195) [system] get_char((0x56051b6b4f40), u)
   Exit: (195) [system] get_char((0x56051b6b4f40), u)
   Call: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _902734)
   Call: (196) [system] peek_char((0x56051b6b4f40), _903668)
   Exit: (196) [system] peek_char((0x56051b6b4f40), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_907460, v('(', ')', end_of_file), a)
   Call: (196) [system] ')'==a
   Call: (196) [system] get_char((0x56051b6b4f40), a)
   Exit: (196) [system] get_char((0x56051b6b4f40), a)
   Call: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _912030)
   Call: (197) [system] peek_char((0x56051b6b4f40), _912964)
   Exit: (197) [system] peek_char((0x56051b6b4f40), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_916756, v('(', ')', end_of_file), l)
   Call: (197) [system] ')'==l
   Call: (197) [system] get_char((0x56051b6b4f40), l)
   Exit: (197) [system] get_char((0x56051b6b4f40), l)
   Call: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _921326)
   Call: (198) [system] peek_char((0x56051b6b4f40), _922260)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_926052, v('(', ')', end_of_file), 'T')
   Call: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x56051b6b4f40), 'T')
   Exit: (198) [system] get_char((0x56051b6b4f40), 'T')
   Call: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _930622)
   Call: (199) [system] peek_char((0x56051b6b4f40), _931556)
   Exit: (199) [system] peek_char((0x56051b6b4f40), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_935348, v('(', ')', end_of_file), o)
   Call: (199) [system] ')'==o
   Call: (199) [system] get_char((0x56051b6b4f40), o)
   Exit: (199) [system] get_char((0x56051b6b4f40), o)
   Call: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _939918)
   Call: (200) [system] peek_char((0x56051b6b4f40), _940852)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_944644, v('(', ')', end_of_file), 'R')
   Call: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x56051b6b4f40), 'R')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'R')
   Call: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _949214)
   Call: (201) [system] peek_char((0x56051b6b4f40), _950148)
   Exit: (201) [system] peek_char((0x56051b6b4f40), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_953940, v('(', ')', end_of_file), e)
   Call: (201) [system] ')'==e
   Call: (201) [system] get_char((0x56051b6b4f40), e)
   Exit: (201) [system] get_char((0x56051b6b4f40), e)
   Call: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _958510)
   Call: (202) [system] peek_char((0x56051b6b4f40), _959444)
   Exit: (202) [system] peek_char((0x56051b6b4f40), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_963236, v('(', ')', end_of_file), s)
   Call: (202) [system] ')'==s
   Call: (202) [system] get_char((0x56051b6b4f40), s)
   Exit: (202) [system] get_char((0x56051b6b4f40), s)
   Call: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _967806)
   Call: (203) [system] peek_char((0x56051b6b4f40), _968740)
   Exit: (203) [system] peek_char((0x56051b6b4f40), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_972532, v('(', ')', end_of_file), u)
   Call: (203) [system] ')'==u
   Call: (203) [system] get_char((0x56051b6b4f40), u)
   Exit: (203) [system] get_char((0x56051b6b4f40), u)
   Call: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _977102)
   Call: (204) [system] peek_char((0x56051b6b4f40), _978036)
   Exit: (204) [system] peek_char((0x56051b6b4f40), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_981828, v('(', ')', end_of_file), l)
   Call: (204) [system] ')'==l
   Call: (204) [system] get_char((0x56051b6b4f40), l)
   Exit: (204) [system] get_char((0x56051b6b4f40), l)
   Call: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _986398)
   Call: (205) [system] peek_char((0x56051b6b4f40), _987332)
   Exit: (205) [system] peek_char((0x56051b6b4f40), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_991124, v('(', ')', end_of_file), t)
   Call: (205) [system] ')'==t
   Call: (205) [system] get_char((0x56051b6b4f40), t)
   Exit: (205) [system] get_char((0x56051b6b4f40), t)
   Call: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _995694)
   Call: (206) [system] peek_char((0x56051b6b4f40), _996628)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '\n')
^  Call: (206) [user] is_delimiter('\n')
   Call: (207) [system] char_type('\n', space)
   Exit: (207) [system] char_type('\n', space)
^  Exit: (206) [user] is_delimiter('\n')
   Call: (206) [system] _995694=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _986398=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (204) [system] _977102=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, t])
   Call: (203) [system] _967806=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, l, t])
   Call: (202) [system] _958510=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, u, l, t])
   Call: (201) [system] _949214=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, u, l, t])
   Call: (200) [system] _939918=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['R', e, s, u, l, t])
   Call: (199) [system] _930622=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _921326=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _912030=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _902734=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _893438=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _884142=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _874846=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _865550=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _856254=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _846958=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _837662=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _828366=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _807822)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1056230, _1056232), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _807822), _1056206, fail)), '$restore_trace'(_1056230, _1056232))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1056230, _1056232))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1056206, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(assertEqualToResult)
   Exit: (188) [system] atomic(assertEqualToResult)
^  Exit: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1063730)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1065588)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (187) [system] '\n'=(;)
^  Call: (187) [user] is_like_space('\n')
   Call: (188) [system] char_type('\n', 'white')
   Call: (188) [system] char_type('\n', end_of_line)
   Exit: (188) [system] char_type('\n', end_of_line)
^  Exit: (187) [user] is_like_space('\n')
   Call: (187) [system] get_char((0x56051b6b4f40), _1073204)
   Exit: (187) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1075908)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1082718)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1085422)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1092232)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1094936)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _1101746)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1104450)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _1111260)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1113964)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1127052)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1130766)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1132624)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1141092)
   Exit: (187) [system] get_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1130766)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1146662)
   Exit: (189) [system] peek_char((0x56051b6b4f40), k)
   Call: (189) [system] k=(;)
^  Call: (189) [user] is_like_space(k)
   Call: (190) [system] char_type(k, 'white')
   Call: (190) [system] char_type(k, end_of_line)
   Call: (190) [system] char_type(k, space)
   Call: (190) [system] char_type(k, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1155130)
   Exit: (188) [system] peek_char((0x56051b6b4f40), k)
   Call: (188) [system] k=')'
   Call: (188) [system] k=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _1158844)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1160702)
   Exit: (190) [system] peek_char((0x56051b6b4f40), k)
   Call: (190) [system] k=(;)
^  Call: (190) [user] is_like_space(k)
   Call: (191) [system] char_type(k, 'white')
   Call: (191) [system] char_type(k, end_of_line)
   Call: (191) [system] char_type(k, space)
   Call: (191) [system] char_type(k, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _1169170)
   Exit: (189) [system] get_char((0x56051b6b4f40), k)
   Call: (189) [system] k='('
   Call: (189) [system] k='['
   Call: (189) [system] k='{'
   Call: (189) [system] k='"'
   Call: (189) [system] k=!
   Call: (189) [system] k='\''
   Call: (189) [system] k='`'
   Call: (189) [system] k=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), k, _1158844)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1179388)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1180322)
   Exit: (191) [system] peek_char((0x56051b6b4f40), b)
^  Call: (191) [user] is_delimiter(b)
   Call: (192) [system] char_type(b, space)
   Call: (192) [system] arg(_1184114, v('(', ')', end_of_file), b)
   Call: (191) [system] ')'==b
   Call: (191) [system] get_char((0x56051b6b4f40), b)
   Exit: (191) [system] get_char((0x56051b6b4f40), b)
   Call: (191) [system] b=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1188684)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1189618)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (192) [user] is_delimiter(')')
   Call: (193) [system] char_type(')', space)
   Call: (193) [system] arg(_1193410, v('(', ')', end_of_file), ')')
   Exit: (193) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (192) [user] is_delimiter(')')
   Call: (192) [system] _1188684=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _1179388=[b]
   Exit: (191) [system] [b]=[b]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (190) [user] classify_and_convert_charseq(k, [b], _1158844)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1202666, _1202668), once(user:catch(read_from_chars([k, b], _1158844), _1202642, fail)), '$restore_trace'(_1202666, _1202668))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1202666, _1202668))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _1202642, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(kb)
   Exit: (191) [system] atomic(kb)
^  Exit: (190) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), k, kb)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), kb)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1210166)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1212024)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1220492)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1224282)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1210166=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _1130766=[kb]
   Exit: (188) [system] [kb]=[kb]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [kb])
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), [kb])
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _1232576)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1234434)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x56051b6b4f40), _1242050)
   Exit: (188) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1244754)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1251564)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1254268)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _1261078)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1263782)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _1270592)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1273296)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1280106)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1282810)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1295898)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _1299612)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1301470)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _1309938)
   Exit: (188) [system] get_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1299612)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1315508)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _1322318)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1325022)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1334414)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _1338128)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1339986)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _1348454)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _1338128)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1354024)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1362492)
   Exit: (191) [system] peek_char((0x56051b6b4f40), :)
   Call: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1366206)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1368064)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1376532)
   Exit: (192) [system] get_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, _1366206)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1386750)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1387684)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1386750=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _1366206)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1396994, _1396996), once(user:catch(read_from_chars([:], _1366206), _1396970, fail)), '$restore_trace'(_1396994, _1396996))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1396994, _1396996))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1396970, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1404494)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1406352)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1413162)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1415866)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1425258)
   Exit: (192) [system] peek_char((0x56051b6b4f40), a)
   Call: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1428972)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1430830)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1439298)
   Exit: (193) [system] get_char((0x56051b6b4f40), a)
   Call: (193) [system] a='('
   Call: (193) [system] a='['
   Call: (193) [system] a='{'
   Call: (193) [system] a='"'
   Call: (193) [system] a=!
   Call: (193) [system] a='\''
   Call: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), a, _1428972)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1449516)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1450450)
   Exit: (195) [system] peek_char((0x56051b6b4f40), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_1454242, v('(', ')', end_of_file), b)
   Call: (195) [system] ')'==b
   Call: (195) [system] get_char((0x56051b6b4f40), b)
   Exit: (195) [system] get_char((0x56051b6b4f40), b)
   Call: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1458812)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1459746)
   Exit: (196) [system] peek_char((0x56051b6b4f40), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_1463538, v('(', ')', end_of_file), c)
   Call: (196) [system] ')'==c
   Call: (196) [system] get_char((0x56051b6b4f40), c)
   Exit: (196) [system] get_char((0x56051b6b4f40), c)
   Call: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1468108)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1469042)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _1468108=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1458812=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (195) [system] _1449516=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (194) [user] classify_and_convert_charseq(a, [b, c], _1428972)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1483940, _1483942), once(user:catch(read_from_chars([a, b, c], _1428972), _1483916, fail)), '$restore_trace'(_1483940, _1483942))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1483940, _1483942))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1483916, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(abc)
   Exit: (195) [system] atomic(abc)
^  Exit: (194) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1491440)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1493298)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1500108)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1502812)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1512204)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1515918)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1517776)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1526244)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1515918)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1531814)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (196) [system] 'I'=(;)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1540282)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1543996)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1545854)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (197) [system] 'I'=(;)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1554322)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'I')
   Call: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1543996)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1564540)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1565474)
   Exit: (198) [system] peek_char((0x56051b6b4f40), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_1569266, v('(', ')', end_of_file), m)
   Call: (198) [system] ')'==m
   Call: (198) [system] get_char((0x56051b6b4f40), m)
   Exit: (198) [system] get_char((0x56051b6b4f40), m)
   Call: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1573836)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1574770)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1578562, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1583132)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1584066)
   Exit: (200) [system] peek_char((0x56051b6b4f40), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_1587858, v('(', ')', end_of_file), l)
   Call: (200) [system] ')'==l
   Call: (200) [system] get_char((0x56051b6b4f40), l)
   Exit: (200) [system] get_char((0x56051b6b4f40), l)
   Call: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1592428)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1593362)
   Exit: (201) [system] peek_char((0x56051b6b4f40), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_1597154, v('(', ')', end_of_file), i)
   Call: (201) [system] ')'==i
   Call: (201) [system] get_char((0x56051b6b4f40), i)
   Exit: (201) [system] get_char((0x56051b6b4f40), i)
   Call: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1601724)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1602658)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1606450, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1611020)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1611954)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_1615746, v('(', ')', end_of_file), a)
   Call: (203) [system] ')'==a
   Call: (203) [system] get_char((0x56051b6b4f40), a)
   Exit: (203) [system] get_char((0x56051b6b4f40), a)
   Call: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1620316)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1621250)
   Exit: (204) [system] peek_char((0x56051b6b4f40), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_1625042, v('(', ')', end_of_file), t)
   Call: (204) [system] ')'==t
   Call: (204) [system] get_char((0x56051b6b4f40), t)
   Exit: (204) [system] get_char((0x56051b6b4f40), t)
   Call: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1629612)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1630546)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1634338, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1638908)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1639842)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1643634, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1648204)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1649138)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1652930, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1657500)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1658434)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1657500=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1648204=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (206) [system] _1638908=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (205) [system] _1629612=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (204) [system] _1620316=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (203) [system] _1611020=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (202) [system] _1601724=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (201) [system] _1592428=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (200) [system] _1583132=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _1573836=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _1564540=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1543996)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1695684, _1695686), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1543996), _1695660, fail)), '$restore_trace'(_1695684, _1695686))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1695684, _1695686))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1543996), _1695660, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1543996)
   Call: (198) [system] atom_chars(_1543996, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (198) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1704136)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1705994)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1712804)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1715508)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1724900)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1728614)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1730472)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1738940)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1728614)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1744510)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (199) [system] 'A'=(;)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1752978)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1756692)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1758550)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (200) [system] 'A'=(;)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1767018)
   Exit: (199) [system] get_char((0x56051b6b4f40), 'A')
   Call: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1756692)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1777236)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1778170)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1781962, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1786532)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1787466)
   Exit: (202) [system] peek_char((0x56051b6b4f40), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_1791258, v('(', ')', end_of_file), d)
   Call: (202) [system] ')'==d
   Call: (202) [system] get_char((0x56051b6b4f40), d)
   Exit: (202) [system] get_char((0x56051b6b4f40), d)
   Call: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1795828)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1796762)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_1800554, v('(', ')', end_of_file), 'L')
   Call: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (203) [system] get_char((0x56051b6b4f40), 'L')
   Call: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1805124)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1806058)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1809850, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1814420)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1815354)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1819146, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1823716)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1824650)
   Exit: (206) [system] peek_char((0x56051b6b4f40), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1828442, v('(', ')', end_of_file), k)
   Call: (206) [system] ')'==k
   Call: (206) [system] get_char((0x56051b6b4f40), k)
   Exit: (206) [system] get_char((0x56051b6b4f40), k)
   Call: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1833012)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1833946)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1833012=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1823716=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (205) [system] _1814420=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (204) [system] _1805124=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (203) [system] _1795828=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (202) [system] _1786532=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (201) [system] _1777236=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1756692)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1860020, _1860022), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1756692), _1859996, fail)), '$restore_trace'(_1860020, _1860022))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1860020, _1860022))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1756692), _1859996, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_1756692)
   Call: (201) [system] atom_chars(_1756692, ['A', n, d, 'L', i, n, k])
   Exit: (201) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1868472)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1870330)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1877140)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1879844)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1889236)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1892950)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1894808)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1903276)
   Exit: (200) [system] get_char((0x56051b6b4f40), 'A')
   Call: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1892950)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1913494)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1914428)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1913494=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq('A', [], _1892950)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1923738, _1923740), once(user:catch(read_from_chars(['A'], _1892950), _1923714, fail)), '$restore_trace'(_1923738, _1923740))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1923738, _1923740))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1892950), _1923714, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1892950)
   Call: (202) [system] atom_chars(_1892950, ['A'])
   Exit: (202) [system] atom_chars('A', ['A'])
^  Exit: (201) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1932190)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1934048)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1940858)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1943562)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1952954)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1956668)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1958526)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1966994)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'B')
   Call: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1956668)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1977212)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1978146)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1981938, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1977212=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq('B', [], _1956668)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1988400, _1988402), once(user:catch(read_from_chars(['B'], _1956668), _1988376, fail)), '$restore_trace'(_1988400, _1988402))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1988400, _1988402))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1956668), _1988376, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1956668)
   Call: (203) [system] atom_chars(_1956668, ['B'])
   Exit: (203) [system] atom_chars('B', ['B'])
^  Exit: (202) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1996852)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1998710)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _2007178)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _2010968)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1996852=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1932190=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (199) [system] _1868472=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (198) [system] _1728614=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _2024850)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _2026708)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _2033518)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2036222)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2045614)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _2049328)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2051186)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _2059654)
   Exit: (198) [system] get_char((0x56051b6b4f40), 'C')
   Call: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2049328)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2069872)
   Call: (200) [system] peek_char((0x56051b6b4f40), _2070806)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_2074598, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _2069872=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (199) [user] classify_and_convert_charseq('C', [], _2049328)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_2081060, _2081062), once(user:catch(read_from_chars(['C'], _2049328), _2081036, fail)), '$restore_trace'(_2081060, _2081062))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_2081060, _2081062))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2049328), _2081036, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_2049328)
   Call: (200) [system] atom_chars(_2049328, ['C'])
   Exit: (200) [system] atom_chars('C', ['C'])
^  Exit: (199) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _2089512)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2091370)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _6582)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _10372)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _3446=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _3440=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (196) [system] _3416=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _3408=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _24254)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _26112)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _34580)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _38370)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _24254=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _3404=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _3398=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _3390=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _52252)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _54110)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x56051b6b4f40), _61726)
   Exit: (191) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _64430)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _71240)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _73944)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _80754)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _83458)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _90268)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _92972)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _99782)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _102486)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _109296)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _112000)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _118810)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _121514)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _136450)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _140164)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _142022)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _150490)
   Exit: (191) [system] get_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _140164)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _156060)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _164528)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _168242)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _170100)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _178568)
   Exit: (193) [system] get_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), :, _168242)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _188786)
   Call: (195) [system] peek_char((0x56051b6b4f40), _189720)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _188786=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (194) [user] classify_and_convert_charseq(:, [], _168242)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_199030, _199032), once(user:catch(read_from_chars([:], _168242), _199006, fail)), '$restore_trace'(_199030, _199032))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_199030, _199032))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _199006, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _206530)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _208388)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _215198)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _217902)
   Exit: (195) [system] peek_char((0x56051b6b4f40), a)
   Call: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _227294)
   Exit: (193) [system] peek_char((0x56051b6b4f40), a)
   Call: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _231008)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _232866)
   Exit: (195) [system] peek_char((0x56051b6b4f40), a)
   Call: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _241334)
   Exit: (194) [system] get_char((0x56051b6b4f40), a)
   Call: (194) [system] a='('
   Call: (194) [system] a='['
   Call: (194) [system] a='{'
   Call: (194) [system] a='"'
   Call: (194) [system] a=!
   Call: (194) [system] a='\''
   Call: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), a, _231008)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _251552)
   Call: (196) [system] peek_char((0x56051b6b4f40), _252486)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _251552=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(a, [], _231008)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_261796, _261798), once(user:catch(read_from_chars([a], _231008), _261772, fail)), '$restore_trace'(_261796, _261798))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_261796, _261798))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _261772, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(a)
   Exit: (196) [system] atomic(a)
^  Exit: (195) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _269296)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _271154)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _277964)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _280668)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (196) [system] 'A'=(;)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _290060)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (194) [system] 'A'=')'
   Call: (194) [system] 'A'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _293774)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _295632)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (196) [system] 'A'=(;)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _304100)
   Exit: (195) [system] get_char((0x56051b6b4f40), 'A')
   Call: (195) [system] 'A'='('
   Call: (195) [system] 'A'='['
   Call: (195) [system] 'A'='{'
   Call: (195) [system] 'A'='"'
   Call: (195) [system] 'A'=!
   Call: (195) [system] 'A'='\''
   Call: (195) [system] 'A'='`'
   Call: (195) [system] 'A'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _293774)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _314318)
   Call: (197) [system] peek_char((0x56051b6b4f40), _315252)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_319044, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _314318=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq('A', [], _293774)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_325506, _325508), once(user:catch(read_from_chars(['A'], _293774), _325482, fail)), '$restore_trace'(_325506, _325508))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_325506, _325508))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _293774), _325482, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_293774)
   Call: (197) [system] atom_chars(_293774, ['A'])
   Exit: (197) [system] atom_chars('A', ['A'])
^  Exit: (196) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _333958)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _335816)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _344284)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _348074)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _333958=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _269296=['A']
   Exit: (194) [system] ['A']=['A']
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (193) [system] _206530=[a, 'A']
   Exit: (193) [system] [a, 'A']=[a, 'A']
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [a, 'A'])
   Call: (192) [system] _140164=[:, a, 'A']
   Exit: (192) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [:, a, 'A'])
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), [:, a, 'A'])
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _361956)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _363814)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _370624)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _373328)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x56051b6b4f40), _380944)
   Exit: (193) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _383648)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (194) [system] '\t'=(;)
^  Call: (194) [user] is_like_space('\t')
   Call: (195) [system] char_type('\t', 'white')
   Exit: (195) [system] char_type('\t', 'white')
^  Exit: (194) [user] is_like_space('\t')
   Call: (194) [system] get_char((0x56051b6b4f40), _390458)
   Exit: (194) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _393162)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _399972)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _402676)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _409486)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _412190)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _425278)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _428992)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _430850)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _439318)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _428992)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _444888)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _453356)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _457070)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _458928)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _467396)
   Exit: (194) [system] get_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, _457070)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _477614)
   Call: (196) [system] peek_char((0x56051b6b4f40), _478548)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _477614=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _457070)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_487858, _487860), once(user:catch(read_from_chars([:], _457070), _487834, fail)), '$restore_trace'(_487858, _487860))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_487858, _487860))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _487834, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _495358)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _497216)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _504026)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _506730)
   Exit: (196) [system] peek_char((0x56051b6b4f40), a)
   Call: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _516122)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _519836)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _521694)
   Exit: (196) [system] peek_char((0x56051b6b4f40), a)
   Call: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _530162)
   Exit: (195) [system] get_char((0x56051b6b4f40), a)
   Call: (195) [system] a='('
   Call: (195) [system] a='['
   Call: (195) [system] a='{'
   Call: (195) [system] a='"'
   Call: (195) [system] a=!
   Call: (195) [system] a='\''
   Call: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), a, _519836)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _540380)
   Call: (197) [system] peek_char((0x56051b6b4f40), _541314)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _540380=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(a, [], _519836)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_550624, _550626), once(user:catch(read_from_chars([a], _519836), _550600, fail)), '$restore_trace'(_550624, _550626))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_550624, _550626))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _550600, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _558124)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _559982)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _566792)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _569496)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (197) [system] 'B'=(;)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _578888)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (195) [system] 'B'=')'
   Call: (195) [system] 'B'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _582602)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _584460)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (197) [system] 'B'=(;)
^  Call: (197) [user] is_like_space('B')
   Call: (198) [system] char_type('B', 'white')
   Call: (198) [system] char_type('B', end_of_line)
   Call: (198) [system] char_type('B', space)
   Call: (198) [system] char_type('B', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _592928)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'B')
   Call: (196) [system] 'B'='('
   Call: (196) [system] 'B'='['
   Call: (196) [system] 'B'='{'
   Call: (196) [system] 'B'='"'
   Call: (196) [system] 'B'=!
   Call: (196) [system] 'B'='\''
   Call: (196) [system] 'B'='`'
   Call: (196) [system] 'B'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _582602)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _603146)
   Call: (198) [system] peek_char((0x56051b6b4f40), _604080)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_607872, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _603146=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq('B', [], _582602)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_614334, _614336), once(user:catch(read_from_chars(['B'], _582602), _614310, fail)), '$restore_trace'(_614334, _614336))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_614334, _614336))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _582602), _614310, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_582602)
   Call: (198) [system] atom_chars(_582602, ['B'])
   Exit: (198) [system] atom_chars('B', ['B'])
^  Exit: (197) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _622786)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _624644)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _633112)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _636902)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _622786=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _558124=['B']
   Exit: (195) [system] ['B']=['B']
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (194) [system] _495358=[a, 'B']
   Exit: (194) [system] [a, 'B']=[a, 'B']
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [a, 'B'])
   Call: (193) [system] _428992=[:, a, 'B']
   Exit: (193) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [:, a, 'B'])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [:, a, 'B'])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _650784)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _652642)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x56051b6b4f40), _660258)
   Exit: (193) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _662962)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _669772)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _672476)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _679286)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _681990)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _688800)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _691504)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _698314)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _701018)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _707828)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _710532)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _717342)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _720046)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _734982)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _738696)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _740554)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _749022)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _738696)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _754592)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _763060)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _766774)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _768632)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _777100)
   Exit: (195) [system] get_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, _766774)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _787318)
   Call: (197) [system] peek_char((0x56051b6b4f40), _788252)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _787318=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _766774)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_797562, _797564), once(user:catch(read_from_chars([:], _766774), _797538, fail)), '$restore_trace'(_797562, _797564))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_797562, _797564))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _797538, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _805062)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _806920)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _813730)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _816434)
   Exit: (197) [system] peek_char((0x56051b6b4f40), c)
   Call: (197) [system] c=(;)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _825826)
   Exit: (195) [system] peek_char((0x56051b6b4f40), c)
   Call: (195) [system] c=')'
   Call: (195) [system] c=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _829540)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _831398)
   Exit: (197) [system] peek_char((0x56051b6b4f40), c)
   Call: (197) [system] c=(;)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _839866)
   Exit: (196) [system] get_char((0x56051b6b4f40), c)
   Call: (196) [system] c='('
   Call: (196) [system] c='['
   Call: (196) [system] c='{'
   Call: (196) [system] c='"'
   Call: (196) [system] c=!
   Call: (196) [system] c='\''
   Call: (196) [system] c='`'
   Call: (196) [system] c=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), c, _829540)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _850084)
   Call: (198) [system] peek_char((0x56051b6b4f40), _851018)
   Exit: (198) [system] peek_char((0x56051b6b4f40), d)
^  Call: (198) [user] is_delimiter(d)
   Call: (199) [system] char_type(d, space)
   Call: (199) [system] arg(_854810, v('(', ')', end_of_file), d)
   Call: (198) [system] ')'==d
   Call: (198) [system] get_char((0x56051b6b4f40), d)
   Exit: (198) [system] get_char((0x56051b6b4f40), d)
   Call: (198) [system] d=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _859380)
   Call: (199) [system] peek_char((0x56051b6b4f40), _860314)
   Exit: (199) [system] peek_char((0x56051b6b4f40), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_864106, v('(', ')', end_of_file), e)
   Call: (199) [system] ')'==e
   Call: (199) [system] get_char((0x56051b6b4f40), e)
   Exit: (199) [system] get_char((0x56051b6b4f40), e)
   Call: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _868676)
   Call: (200) [system] peek_char((0x56051b6b4f40), _869610)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _868676=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _859380=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (198) [system] _850084=[d, e]
   Exit: (198) [system] [d, e]=[d, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (197) [user] classify_and_convert_charseq(c, [d, e], _829540)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_884508, _884510), once(user:catch(read_from_chars([c, d, e], _829540), _884484, fail)), '$restore_trace'(_884508, _884510))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_884508, _884510))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _884484, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(cde)
   Exit: (198) [system] atomic(cde)
^  Exit: (197) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _892008)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _893866)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _900676)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _903380)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _912772)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _916486)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _918344)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _926812)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _916486)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _932382)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (199) [system] 'I'=(;)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _940850)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (198) [system] 'I'=')'
   Call: (198) [system] 'I'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _944564)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _946422)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (200) [system] 'I'=(;)
^  Call: (200) [user] is_like_space('I')
   Call: (201) [system] char_type('I', 'white')
   Call: (201) [system] char_type('I', end_of_line)
   Call: (201) [system] char_type('I', space)
   Call: (201) [system] char_type('I', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _954890)
   Exit: (199) [system] get_char((0x56051b6b4f40), 'I')
   Call: (199) [system] 'I'='('
   Call: (199) [system] 'I'='['
   Call: (199) [system] 'I'='{'
   Call: (199) [system] 'I'='"'
   Call: (199) [system] 'I'=!
   Call: (199) [system] 'I'='\''
   Call: (199) [system] 'I'='`'
   Call: (199) [system] 'I'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _944564)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _965108)
   Call: (201) [system] peek_char((0x56051b6b4f40), _966042)
   Exit: (201) [system] peek_char((0x56051b6b4f40), m)
^  Call: (201) [user] is_delimiter(m)
   Call: (202) [system] char_type(m, space)
   Call: (202) [system] arg(_969834, v('(', ')', end_of_file), m)
   Call: (201) [system] ')'==m
   Call: (201) [system] get_char((0x56051b6b4f40), m)
   Exit: (201) [system] get_char((0x56051b6b4f40), m)
   Call: (201) [system] m=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _974404)
   Call: (202) [system] peek_char((0x56051b6b4f40), _975338)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_979130, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _983700)
   Call: (203) [system] peek_char((0x56051b6b4f40), _984634)
   Exit: (203) [system] peek_char((0x56051b6b4f40), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_988426, v('(', ')', end_of_file), l)
   Call: (203) [system] ')'==l
   Call: (203) [system] get_char((0x56051b6b4f40), l)
   Exit: (203) [system] get_char((0x56051b6b4f40), l)
   Call: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _992996)
   Call: (204) [system] peek_char((0x56051b6b4f40), _993930)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_997722, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1002292)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1003226)
   Exit: (205) [system] peek_char((0x56051b6b4f40), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1007018, v('(', ')', end_of_file), c)
   Call: (205) [system] ')'==c
   Call: (205) [system] get_char((0x56051b6b4f40), c)
   Exit: (205) [system] get_char((0x56051b6b4f40), c)
   Call: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1011588)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1012522)
   Exit: (206) [system] peek_char((0x56051b6b4f40), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_1016314, v('(', ')', end_of_file), a)
   Call: (206) [system] ')'==a
   Call: (206) [system] get_char((0x56051b6b4f40), a)
   Exit: (206) [system] get_char((0x56051b6b4f40), a)
   Call: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1020884)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1021818)
   Exit: (207) [system] peek_char((0x56051b6b4f40), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1025610, v('(', ')', end_of_file), t)
   Call: (207) [system] ')'==t
   Call: (207) [system] get_char((0x56051b6b4f40), t)
   Exit: (207) [system] get_char((0x56051b6b4f40), t)
   Call: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1030180)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1031114)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1034906, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1039476)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1040410)
   Exit: (209) [system] peek_char((0x56051b6b4f40), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1044202, v('(', ')', end_of_file), o)
   Call: (209) [system] ')'==o
   Call: (209) [system] get_char((0x56051b6b4f40), o)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1048772)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1049706)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1053498, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1058068)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1059002)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1058068=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1048772=[n]
   Exit: (210) [system] [n]=[n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (209) [system] _1039476=[o, n]
   Exit: (209) [system] [o, n]=[o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (208) [system] _1030180=[i, o, n]
   Exit: (208) [system] [i, o, n]=[i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (207) [system] _1020884=[t, i, o, n]
   Exit: (207) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (206) [system] _1011588=[a, t, i, o, n]
   Exit: (206) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (205) [system] _1002292=[c, a, t, i, o, n]
   Exit: (205) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (204) [system] _992996=[i, c, a, t, i, o, n]
   Exit: (204) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (203) [system] _983700=[l, i, c, a, t, i, o, n]
   Exit: (203) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (202) [system] _974404=[p, l, i, c, a, t, i, o, n]
   Exit: (202) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (201) [system] _965108=[m, p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _944564)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1096252, _1096254), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _944564), _1096228, fail)), '$restore_trace'(_1096252, _1096254))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1096252, _1096254))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _944564), _1096228, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_944564)
   Call: (201) [system] atom_chars(_944564, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (201) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1104704)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1106562)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1113372)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1116076)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1125468)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1129182)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1131040)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1139508)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1129182)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1145078)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (202) [system] 'O'=(;)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1153546)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1157260)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1159118)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (203) [system] 'O'=(;)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1167586)
   Exit: (202) [system] get_char((0x56051b6b4f40), 'O')
   Call: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1157260)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1177804)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1178738)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1182530, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1187100)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1188034)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1191826, v('(', ')', end_of_file), 'L')
   Call: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (205) [system] get_char((0x56051b6b4f40), 'L')
   Call: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1196396)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1197330)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1201122, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1205692)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1206626)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1210418, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1214988)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1215922)
   Exit: (208) [system] peek_char((0x56051b6b4f40), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1219714, v('(', ')', end_of_file), k)
   Call: (208) [system] ')'==k
   Call: (208) [system] get_char((0x56051b6b4f40), k)
   Exit: (208) [system] get_char((0x56051b6b4f40), k)
   Call: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1224284)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1225218)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1224284=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1214988=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (207) [system] _1205692=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (206) [system] _1196396=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (205) [system] _1187100=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (204) [system] _1177804=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1157260)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1248498, _1248500), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1157260), _1248474, fail)), '$restore_trace'(_1248498, _1248500))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1248498, _1248500))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1157260), _1248474, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1157260)
   Call: (204) [system] atom_chars(_1157260, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1256950)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1258808)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1265618)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1268322)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1277714)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1281428)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1283286)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1291754)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'C')
   Call: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1281428)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1301972)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1302906)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1301972=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (204) [user] classify_and_convert_charseq('C', [], _1281428)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1312216, _1312218), once(user:catch(read_from_chars(['C'], _1281428), _1312192, fail)), '$restore_trace'(_1312216, _1312218))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1312216, _1312218))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1281428), _1312192, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1281428)
   Call: (205) [system] atom_chars(_1281428, ['C'])
   Exit: (205) [system] atom_chars('C', ['C'])
^  Exit: (204) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1320668)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1322526)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1329336)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1332040)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1341432)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1345146)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1347004)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1355472)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'D')
   Call: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1345146)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1365690)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1366624)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1370416, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1365690=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (205) [user] classify_and_convert_charseq('D', [], _1345146)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1376878, _1376880), once(user:catch(read_from_chars(['D'], _1345146), _1376854, fail)), '$restore_trace'(_1376878, _1376880))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1376878, _1376880))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1345146), _1376854, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1345146)
   Call: (206) [system] atom_chars(_1345146, ['D'])
   Exit: (206) [system] atom_chars('D', ['D'])
^  Exit: (205) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1385330)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1387188)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1395656)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _1399446)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _1385330=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1320668=['D']
   Exit: (203) [system] ['D']=['D']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (202) [system] _1256950=['C', 'D']
   Exit: (202) [system] ['C', 'D']=['C', 'D']
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (201) [system] _1129182=['OrLink', 'C', 'D']
   Exit: (201) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1413328)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1415186)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1421996)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1424700)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (202) [system] 'E'=(;)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1434092)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (200) [system] 'E'=')'
   Call: (200) [system] 'E'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1437806)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1439664)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (202) [system] 'E'=(;)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1448132)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'E')
   Call: (201) [system] 'E'='('
   Call: (201) [system] 'E'='['
   Call: (201) [system] 'E'='{'
   Call: (201) [system] 'E'='"'
   Call: (201) [system] 'E'=!
   Call: (201) [system] 'E'='\''
   Call: (201) [system] 'E'='`'
   Call: (201) [system] 'E'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1437806)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1458350)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1459284)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1463076, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1458350=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq('E', [], _1437806)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1469538, _1469540), once(user:catch(read_from_chars(['E'], _1437806), _1469514, fail)), '$restore_trace'(_1469538, _1469540))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1469538, _1469540))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1437806), _1469514, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1437806)
   Call: (203) [system] atom_chars(_1437806, ['E'])
   Exit: (203) [system] atom_chars('E', ['E'])
^  Exit: (202) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1477990)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1479848)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1488316)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1492106)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1477990=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1413328=['E']
   Exit: (200) [system] ['E']=['E']
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (199) [system] _1104704=[['OrLink', 'C', 'D'], 'E']
   Exit: (199) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (198) [system] _916486=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1505988)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1507846)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1516314)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _1520104)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _1505988=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _892008=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (196) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (195) [system] _805062=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _738696=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1533986)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1535844)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1544312)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _1548102)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _1533986=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _650784=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (192) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (191) [system] _361956=[[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (191) [system] [[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (190) [system] _52252=[[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (190) [system] [[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [[:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (189) [system] _3384=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (189) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1564778)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1566636)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=(;)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1575104)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x56051b6b4f40), _1578894)
   Exit: (188) [system] get_char((0x56051b6b4f40), ')')
   Call: (188) [system] _1564778=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (187) [system] _3380=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (187) [system] [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (186) [system] _3368=[[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (186) [system] [[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [[kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (185) [system] [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (182) [user] read_sexpr((0x56051b6b4f40), [assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Exit: (182) [system] exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])=exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x56051b6b4f40), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Exit: (180) [user] read_sexpr((0x56051b6b4f40), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Call: (180) [user] assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))
^  Exit: (180) [user] assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))
^  Exit: (178) [system] once(user:(read_position((0x56051b6b4f40), 100, 0, 4111, '$stream_position'(4111, 100, 0, 4111)), read_sexpr((0x56051b6b4f40), exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])), assertz(metta_file_comment(100, 0, 4111, exec([assertEqualToResult, [kb], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, a, 'A'], [:, a, 'B'], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(4111, 100, 0, 4111)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_1601132, _1601134, _1601136, _1601138, _1601140))
^  Exit: (178) [user] retract(metta_file_comment(18, 0, 367, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], '$stream_position'(367, 18, 0, 367)))
^  Call: (178) [user] trly(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _3084)
^  Call: (179) [user] once(call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1604044))
^  Call: (180) [user] call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1604044)
^  Call: (181) [user] untyped_to_metta([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1604044)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1606860))
^  Call: (183) [user] once(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1606860))
^  Call: (184) [user] trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1606860)
^  Call: (185) [user] once(call(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1609660))
^  Call: (186) [user] call(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1609660)
^  Call: (187) [user] mfix_vars1([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1609660)
   Call: (188) [system] var([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [system] atom([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==true
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==false
   Call: (188) [system] (:)=='['
   Call: (188) [system] (:)=='{'
   Call: (188) [system] is_list([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Exit: (188) [system] is_list([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (188) [lists] lists:last([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1619882)
   Call: (189) [lists] lists:last_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], synthesize, _1619882)
   Call: (190) [lists] lists:last_([], [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1619882)
   Exit: (190) [lists] lists:last_([], [->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (189) [lists] lists:last_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (188) [lists] lists:last([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (188) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]=='}'
   Call: (188) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==[_1626398, _1626404]
   Call: (188) [system] fail
   Call: (188) [system] is_list([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Exit: (188) [system] is_list([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Call: (188) [user] apply:maplist(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1609660)
   Call: (189) [apply] apply:maplist_([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1609660, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(:, _1631978)
   Call: (191) [system] var(:)
   Call: (191) [system] atom(:)
   Exit: (191) [system] atom(:)
^  Call: (191) [user] symbol_concat($, _1635686, :)
   Call: (192) [system] atom_concat($, _1635686, :)
   Fail: (192) [system] atom_concat($, _1635686, :)
^  Fail: (191) [user] symbol_concat($, _1635686, :)
   Call: (191) [system] (:)==true
   Call: (191) [system] (:)==false
   Call: (191) [system] (:)==[_1641274, _1641280]
   Call: (191) [system] is_list(:)
   Call: (191) [system] string(:)
   Call: (191) [system] compound(:)
^  Call: (191) [user] symbol(:)
   Call: (192) [system] atom(:)
   Exit: (192) [system] atom(:)
^  Exit: (191) [user] symbol(:)
^  Exit: (190) [user] mfix_vars1(:, :)
   Call: (190) [apply] apply:maplist_([synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1631980, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(synthesize, _1650542)
   Call: (192) [system] var(synthesize)
   Call: (192) [system] atom(synthesize)
   Exit: (192) [system] atom(synthesize)
^  Call: (192) [user] symbol_concat($, _1654250, synthesize)
   Call: (193) [system] atom_concat($, _1654250, synthesize)
   Fail: (193) [system] atom_concat($, _1654250, synthesize)
^  Fail: (192) [user] symbol_concat($, _1654250, synthesize)
   Call: (192) [system] synthesize==true
   Call: (192) [system] synthesize==false
   Call: (192) [system] synthesize==[_1659838, _1659844]
   Call: (192) [system] is_list(synthesize)
   Call: (192) [system] string(synthesize)
   Call: (192) [system] compound(synthesize)
^  Call: (192) [user] symbol(synthesize)
   Call: (193) [system] atom(synthesize)
   Exit: (193) [system] atom(synthesize)
^  Exit: (192) [user] symbol(synthesize)
^  Exit: (191) [user] mfix_vars1(synthesize, synthesize)
   Call: (191) [apply] apply:maplist_([[->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1650544, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1669106)
   Call: (193) [system] var([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [system] atom([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==true
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==false
   Call: (193) [system] (->)=='['
   Call: (193) [system] (->)=='{'
   Call: (193) [system] is_list([_a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (193) [system] is_list([_a, [->, _kt], [->, _rt], 'Nat', _a])
   Call: (193) [lists] lists:last([_a, [->, _kt], [->, _rt], 'Nat', _a], _1677450)
   Call: (194) [lists] lists:last_([[->, _kt], [->, _rt], 'Nat', _a], _a, _1677450)
   Call: (195) [lists] lists:last_([[->, _rt], 'Nat', _a], [->, _kt], _1677450)
   Call: (196) [lists] lists:last_(['Nat', _a], [->, _rt], _1677450)
   Call: (197) [lists] lists:last_([_a], 'Nat', _1677450)
   Call: (198) [lists] lists:last_([], _a, _1677450)
   Exit: (198) [lists] lists:last_([], _a, _a)
   Exit: (197) [lists] lists:last_([_a], 'Nat', _a)
   Exit: (196) [lists] lists:last_(['Nat', _a], [->, _rt], _a)
   Exit: (195) [lists] lists:last_([[->, _rt], 'Nat', _a], [->, _kt], _a)
   Exit: (194) [lists] lists:last_([[->, _kt], [->, _rt], 'Nat', _a], _a, _a)
   Exit: (193) [lists] lists:last([_a, [->, _kt], [->, _rt], 'Nat', _a], _a)
   Call: (193) [system] _a=='}'
   Call: (193) [system] [->, _a, [->, _kt], [->, _rt], 'Nat', _a]==[_1689558, _1689564]
   Call: (193) [system] fail
   Call: (193) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (193) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (193) [user] apply:maplist(mfix_vars1, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1669106)
   Call: (194) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1669106, user:mfix_vars1)
^  Call: (195) [user] mfix_vars1(->, _1695138)
   Call: (196) [system] var(->)
   Call: (196) [system] atom(->)
   Exit: (196) [system] atom(->)
^  Call: (196) [user] symbol_concat($, _1698846, ->)
   Call: (197) [system] atom_concat($, _1698846, ->)
   Fail: (197) [system] atom_concat($, _1698846, ->)
^  Fail: (196) [user] symbol_concat($, _1698846, ->)
   Call: (196) [system] (->)==true
   Call: (196) [system] (->)==false
   Call: (196) [system] (->)==[_1704434, _1704440]
   Call: (196) [system] is_list(->)
   Call: (196) [system] string(->)
   Call: (196) [system] compound(->)
^  Call: (196) [user] symbol(->)
   Call: (197) [system] atom(->)
   Exit: (197) [system] atom(->)
^  Exit: (196) [user] symbol(->)
^  Exit: (195) [user] mfix_vars1(->, ->)
   Call: (195) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], _1695140, user:mfix_vars1)
^  Call: (196) [user] mfix_vars1(_a, _1713702)
   Call: (197) [system] var(_a)
   Call: (197) [system] atom(_a)
   Call: (197) [system] _a==true
   Call: (197) [system] _a==false
   Call: (197) [system] _a==[_1718344, _1718350]
   Call: (197) [system] is_list(_a)
   Call: (197) [system] string(_a)
   Call: (197) [system] compound(_a)
   Exit: (197) [system] compound(_a)
   Call: (197) [system] compound_name_arguments(_a, _1722978, _1722980)
   Exit: (197) [system] compound_name_arguments(_a, '$VAR', ['_a'])
   Call: (197) [system] '$VAR'\=='$VAR'
^  Exit: (184) [user] trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1728572))
^  Call: (183) [user] once(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1728572))
^  Call: (184) [user] trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1728572)
^  Call: (185) [user] once(call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1731372))
^  Call: (186) [user] call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1731372)
^  Call: (187) [user] cons_to_c([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1731372)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (186) [system] call(user:cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (185) [system] once(user:call(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (185) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1604044))
^  Call: (183) [user] once(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1604044))
^  Call: (184) [user] trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1604044)
^  Call: (185) [user] once(call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1745330))
^  Call: (186) [user] call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1745330)
^  Call: (187) [user] cons_to_l([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1745330)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (186) [system] call(user:cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (185) [system] once(user:call(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (185) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (184) [user] trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (183) [system] once(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (181) [user] untyped_to_metta([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (180) [system] call(user:untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (179) [system] once(user:call(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (179) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]\=@=[:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]
^  Exit: (178) [user] trly(untyped_to_metta, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (171) [user] read_sform((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]])
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]))
   Call: (169) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==end_of_file
   Fail: (169) [system] [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], nthesize_long_1726792630_1772065, 98)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792637.9138942)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792637.9138942-1726792634.4645028
   Exit: (173) [system] 3.4493913650512695 is 1726792637.9138942-1726792634.4645028
   Call: (173) [system] 3.4493913650512695>4
   Fail: (173) [system] 3.4493913650512695>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 15)
   Call: (175) [system] atom(15+1)
   Call: (175) [system] set_flag(translated_forms, 16)
   Exit: (175) [system] set_flag(translated_forms, 16)
   Exit: (174) [$syspreds] update_flag(translated_forms, 15, 15+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 15, 15+1))
   Exit: (171) [$syspreds] flag(translated_forms, 15, 15+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], nthesize_long_1726792630_1772065, 98)
^  Call: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, _1797728, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], _1797730)
   Call: (173) [system] (:)==(:)
   Exit: (173) [system] (:)==(:)
   Call: (173) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
   Exit: (173) [system] is_list([->, _a, [->, _kt], [->, _rt], 'Nat', _a])
^  Call: (173) [user] mangle_iz(nthesize_long_1726792630_1772065, _1797728)
^  Call: (174) [user] symbol_concat(nthesize_long_1726792630_1772065, '_iz', _1797728)
   Call: (175) [system] atom_concat(nthesize_long_1726792630_1772065, '_iz', _1797728)
   Exit: (175) [system] atom_concat(nthesize_long_1726792630_1772065, '_iz', nthesize_long_1726792630_1772065_iz)
^  Exit: (174) [user] symbol_concat(nthesize_long_1726792630_1772065, '_iz', nthesize_long_1726792630_1772065_iz)
^  Exit: (173) [user] mangle_iz(nthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065_iz)
^  Call: (173) [user] apply:maplist(s2t, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1798672)
   Call: (174) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], _1798672, user:s2t)
^  Call: (175) [user] s2t(->, _1809840)
   Call: (176) [system] compound(->)
   Call: (176) [system] (->)=_1809840
   Exit: (176) [system] (->)=(->)
^  Exit: (175) [user] s2t(->, ->)
   Call: (175) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], _1809842, user:s2t)
^  Call: (176) [user] s2t(_a, _1815414)
   Call: (177) [system] compound(_a)
   Exit: (177) [system] compound(_a)
   Call: (177) [system] is_list(_a)
^  Call: (177) [user] s2tl(_a, _1815414)
   Call: (178) [system] compound(_a)
   Exit: (178) [system] compound(_a)
^  Exit: (177) [user] s2tl(_a, _a)
^  Exit: (176) [user] s2t(_a, _a)
   Call: (176) [apply] apply:maplist_([[->, _kt], [->, _rt], 'Nat', _a], _1815416, user:s2t)
^  Call: (177) [user] s2t([->, _kt], _1824684)
   Call: (178) [system] compound([->, _kt])
   Exit: (178) [system] compound([->, _kt])
   Call: (178) [system] (->)==(->)
   Exit: (178) [system] (->)==(->)
^  Call: (178) [user] s2tl([_kt], _1829320)
   Call: (179) [system] compound([_kt])
   Exit: (179) [system] compound([_kt])
^  Call: (179) [user] s2t(_kt, _1832100)
   Call: (180) [system] compound(_kt)
   Exit: (180) [system] compound(_kt)
   Call: (180) [system] is_list(_kt)
^  Call: (180) [user] s2tl(_kt, _1832100)
   Call: (181) [system] compound(_kt)
   Exit: (181) [system] compound(_kt)
^  Exit: (180) [user] s2tl(_kt, _kt)
^  Exit: (179) [user] s2t(_kt, _kt)
^  Call: (179) [user] s2tl([], _1832102)
   Call: (180) [system] compound([])
   Call: (180) [system] []=_1832102
   Exit: (180) [system] []=[]
^  Exit: (179) [user] s2tl([], [])
^  Exit: (178) [user] s2tl([_kt], [_kt])
   Call: (178) [system] _1824684=..[->, [_kt]]
   Exit: (178) [system] ->([_kt])=..[->, [_kt]]
^  Exit: (177) [user] s2t([->, _kt], ->([_kt]))
   Call: (177) [apply] apply:maplist_([[->, _rt], 'Nat', _a], _1824686, user:s2t)
^  Call: (178) [user] s2t([->, _rt], _1849734)
   Call: (179) [system] compound([->, _rt])
   Exit: (179) [system] compound([->, _rt])
   Call: (179) [system] (->)==(->)
   Exit: (179) [system] (->)==(->)
^  Call: (179) [user] s2tl([_rt], _1854370)
   Call: (180) [system] compound([_rt])
   Exit: (180) [system] compound([_rt])
^  Call: (180) [user] s2t(_rt, _1857150)
   Call: (181) [system] compound(_rt)
   Exit: (181) [system] compound(_rt)
   Call: (181) [system] is_list(_rt)
^  Call: (181) [user] s2tl(_rt, _1857150)
   Call: (182) [system] compound(_rt)
   Exit: (182) [system] compound(_rt)
^  Exit: (181) [user] s2tl(_rt, _rt)
^  Exit: (180) [user] s2t(_rt, _rt)
^  Call: (180) [user] s2tl([], _1857152)
   Call: (181) [system] compound([])
   Call: (181) [system] []=_1857152
   Exit: (181) [system] []=[]
^  Exit: (180) [user] s2tl([], [])
^  Exit: (179) [user] s2tl([_rt], [_rt])
   Call: (179) [system] _1849734=..[->, [_rt]]
   Exit: (179) [system] ->([_rt])=..[->, [_rt]]
^  Exit: (178) [user] s2t([->, _rt], ->([_rt]))
   Call: (178) [apply] apply:maplist_(['Nat', _a], _1849736, user:s2t)
^  Call: (179) [user] s2t('Nat', _1874784)
   Call: (180) [system] compound('Nat')
   Call: (180) [system] 'Nat'=_1874784
   Exit: (180) [system] 'Nat'='Nat'
^  Exit: (179) [user] s2t('Nat', 'Nat')
   Call: (179) [apply] apply:maplist_([_a], _1874786, user:s2t)
^  Call: (180) [user] s2t(_a, _1880358)
   Call: (181) [system] compound(_a)
   Exit: (181) [system] compound(_a)
   Call: (181) [system] is_list(_a)
^  Call: (181) [user] s2tl(_a, _1880358)
   Call: (182) [system] compound(_a)
   Exit: (182) [system] compound(_a)
^  Exit: (181) [user] s2tl(_a, _a)
^  Exit: (180) [user] s2t(_a, _a)
   Call: (180) [apply] apply:maplist_([], _1880360, user:s2t)
   Exit: (180) [apply] apply:maplist_([], [], user:s2t)
   Exit: (179) [apply] apply:maplist_([_a], [_a], user:s2t)
   Exit: (178) [apply] apply:maplist_(['Nat', _a], ['Nat', _a], user:s2t)
   Exit: (177) [apply] apply:maplist_([[->, _rt], 'Nat', _a], [->([_rt]), 'Nat', _a], user:s2t)
   Exit: (176) [apply] apply:maplist_([[->, _kt], [->, _rt], 'Nat', _a], [->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
   Exit: (175) [apply] apply:maplist_([_a, [->, _kt], [->, _rt], 'Nat', _a], [_a, ->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
   Exit: (174) [apply] apply:maplist_([->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], user:s2t)
^  Exit: (173) [apply] apply:maplist(user:s2t, [->, _a, [->, _kt], [->, _rt], 'Nat', _a], [->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
^  Exit: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065_iz, [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
^  Call: (172) [user] relistify([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], _1898024)
   Call: (173) [system] is_list([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Exit: (173) [system] is_list([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Call: (173) [system] _1898024=[synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
   Exit: (173) [system] [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]=[synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
^  Exit: (172) [user] relistify([synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a], [synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a])
   Call: (172) [system] _1903586=..[nthesize_long_1726792630_1772065_iz, 98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
   Exit: (172) [system] nthesize_long_1726792630_1772065_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)=..[nthesize_long_1726792630_1772065_iz, 98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a]
^  Call: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)])
^  Exit: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065_iz(98, synthesize, ->, _a, ->([_kt]), ->([_rt]), 'Nat', _a)])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], nthesize_long_1726792630_1772065, 98)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]]), 98]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 15, 15+1), write_metta_datalog_term((0x56051b673910), [:, synthesize, [->, _a, [->, _kt], [->, _rt], 'Nat', _a]], nthesize_long_1726792630_1772065, 98)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 105)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 105))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 105))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1928786)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1936208)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (175) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (176) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (176) [system] peek_char((0x56051b6b4f40), _1943630)
   Exit: (176) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (176) [system] char_type('\n', space)
   Exit: (176) [system] char_type('\n', space)
   Call: (176) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (176) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (176) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1951052)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
^  Call: (177) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (178) [system] string((0x56051b6b4f40))
^  Exit: (177) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (177) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (178) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (179) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (179) [system] peek_char((0x56051b6b4f40), _1959390)
   Exit: (179) [system] peek_char((0x56051b6b4f40), '(')
   Call: (179) [system] char_type('(', space)
   Call: (179) [system] _1962176=(0x56051b6b4f40)
   Exit: (179) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (179) [user] once((read_position((0x56051b6b4f40), _1964044, _1964046, _1964048, _1964050), read_sexpr((0x56051b6b4f40), _1964062), assertz(metta_file_comment(_1964044, _1964046, _1964048, _1964062, _1964050))))
^  Call: (181) [user] read_position((0x56051b6b4f40), _1964044, _1964046, _1964048, _1964050)
   Call: (182) [system] stream_property((0x56051b6b4f40), position(_1964050))
   Call: (183) [system] nonvar((0x56051b6b4f40))
   Exit: (183) [system] nonvar((0x56051b6b4f40))
   Call: (183) [system] nonvar(position(_1964050))
   Exit: (183) [system] nonvar(position(_1964050))
   Exit: (182) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4259, 108, 0, 4259)))
   Call: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4259, 108, 0, 4259), _1964044)
   Call: (183) [system] nonvar(line_count)
   Exit: (183) [system] nonvar(line_count)
   Call: (183) [$syspreds] stream_position_field(line_count, _1974302)
   Exit: (183) [$syspreds] stream_position_field(line_count, 2)
   Call: (183) [system] arg(2, '$stream_position'(4259, 108, 0, 4259), _1964044)
   Exit: (183) [system] arg(2, '$stream_position'(4259, 108, 0, 4259), 108)
   Exit: (182) [$syspreds] stream_position_data(line_count, '$stream_position'(4259, 108, 0, 4259), 108)
   Call: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4259, 108, 0, 4259), _1964046)
   Call: (183) [system] nonvar(line_position)
   Exit: (183) [system] nonvar(line_position)
   Call: (183) [$syspreds] stream_position_field(line_position, _1981736)
   Exit: (183) [$syspreds] stream_position_field(line_position, 3)
   Call: (183) [system] arg(3, '$stream_position'(4259, 108, 0, 4259), _1964046)
   Exit: (183) [system] arg(3, '$stream_position'(4259, 108, 0, 4259), 0)
   Exit: (182) [$syspreds] stream_position_data(line_position, '$stream_position'(4259, 108, 0, 4259), 0)
   Call: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4259, 108, 0, 4259), _1964048)
   Call: (183) [system] nonvar(char_count)
   Exit: (183) [system] nonvar(char_count)
   Call: (183) [$syspreds] stream_position_field(char_count, _1989170)
   Exit: (183) [$syspreds] stream_position_field(char_count, 1)
   Call: (183) [system] arg(1, '$stream_position'(4259, 108, 0, 4259), _1964048)
   Exit: (183) [system] arg(1, '$stream_position'(4259, 108, 0, 4259), 4259)
   Exit: (182) [$syspreds] stream_position_data(char_count, '$stream_position'(4259, 108, 0, 4259), 4259)
^  Exit: (181) [user] read_position((0x56051b6b4f40), 108, 0, 4259, '$stream_position'(4259, 108, 0, 4259))
^  Call: (181) [user] read_sexpr((0x56051b6b4f40), _1964062)
   Call: (182) [system] string((0x56051b6b4f40))
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1964062)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1998472)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=(;)
^  Call: (184) [user] is_like_space('(')
   Call: (185) [system] char_type('(', 'white')
   Call: (185) [system] char_type('(', end_of_line)
   Call: (185) [system] char_type('(', space)
   Call: (185) [system] char_type('(', cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _2006940)
   Exit: (183) [system] get_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('='('
   Exit: (183) [system] '('='('
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _1964062)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _2012510)
   Exit: (185) [system] peek_char((0x56051b6b4f40), :)
   Call: (185) [system] (:)=(;)
^  Call: (185) [user] is_like_space(:)
   Call: (186) [system] char_type(:, 'white')
   Call: (186) [system] char_type(:, end_of_line)
   Call: (186) [system] char_type(:, space)
   Call: (186) [system] char_type(:, cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _2020978)
   Exit: (184) [system] peek_char((0x56051b6b4f40), :)
   Call: (184) [system] (:)=')'
   Call: (184) [system] (:)=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _2024692)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2026550)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=(;)
^  Call: (186) [user] is_like_space(:)
   Call: (187) [system] char_type(:, 'white')
   Call: (187) [system] char_type(:, end_of_line)
   Call: (187) [system] char_type(:, space)
   Call: (187) [system] char_type(:, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _2035018)
   Exit: (185) [system] get_char((0x56051b6b4f40), :)
   Call: (185) [system] (:)='('
   Call: (185) [system] (:)='['
   Call: (185) [system] (:)='{'
   Call: (185) [system] (:)='"'
   Call: (185) [system] (:)=!
   Call: (185) [system] (:)='\''
   Call: (185) [system] (:)='`'
   Call: (185) [system] (:)=end_of_file
^  Call: (185) [user] read_symbolic(')', (0x56051b6b4f40), :, _2024692)
^  Call: (186) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2045236)
   Call: (187) [system] peek_char((0x56051b6b4f40), _2046170)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] is_delimiter(' ')
   Call: (188) [system] char_type(' ', space)
   Exit: (188) [system] char_type(' ', space)
^  Exit: (187) [user] is_delimiter(' ')
   Call: (187) [system] _2045236=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (186) [user] classify_and_convert_charseq(:, [], _2024692)
^  Call: (188) [system] setup_call_cleanup('$notrace'(_2055480, _2055482), once(user:catch(read_from_chars([:], _2024692), _2055456, fail)), '$restore_trace'(_2055480, _2055482))
^  Call: (189) [system] sig_atomic(system:'$notrace'(_2055480, _2055482))
^  Exit: (188) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2055456, fail)), system:'$restore_trace'(3, -1))
   Call: (187) [system] atomic(:)
   Exit: (187) [system] atomic(:)
^  Exit: (186) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (185) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _2062980)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2064838)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (186) [system] ' '=(;)
^  Call: (186) [user] is_like_space(' ')
   Call: (187) [system] char_type(' ', 'white')
   Exit: (187) [system] char_type(' ', 'white')
^  Exit: (186) [user] is_like_space(' ')
   Call: (186) [system] get_char((0x56051b6b4f40), _2071648)
   Exit: (186) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _2074352)
   Exit: (187) [system] peek_char((0x56051b6b4f40), r)
   Call: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _2083744)
   Exit: (185) [system] peek_char((0x56051b6b4f40), r)
   Call: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _2087458)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _2089316)
   Exit: (187) [system] peek_char((0x56051b6b4f40), r)
   Call: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _4248)
   Exit: (186) [system] get_char((0x56051b6b4f40), r)
   Call: (186) [system] r='('
   Call: (186) [system] r='['
   Call: (186) [system] r='{'
   Call: (186) [system] r='"'
   Call: (186) [system] r=!
   Call: (186) [system] r='\''
   Call: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, _3370)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _14466)
   Call: (188) [system] peek_char((0x56051b6b4f40), _15400)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_19192, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _23762)
   Call: (189) [system] peek_char((0x56051b6b4f40), _24696)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _23762=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _14466=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _3370)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_36800, _36802), once(user:catch(read_from_chars([r, b], _3370), _36776, fail)), '$restore_trace'(_36800, _36802))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_36800, _36802))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _36776, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _44300)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _46158)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _52968)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _55672)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _65064)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _68778)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _70636)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _79104)
   Exit: (187) [system] get_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _68778)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _84674)
   Exit: (189) [system] peek_char((0x56051b6b4f40), -)
   Call: (189) [system] (-)=(;)
^  Call: (189) [user] is_like_space(-)
   Call: (190) [system] char_type(-, 'white')
   Call: (190) [system] char_type(-, end_of_line)
   Call: (190) [system] char_type(-, space)
   Call: (190) [system] char_type(-, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _93142)
   Exit: (188) [system] peek_char((0x56051b6b4f40), -)
   Call: (188) [system] (-)=')'
   Call: (188) [system] (-)=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _96856)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _98714)
   Exit: (190) [system] peek_char((0x56051b6b4f40), -)
   Call: (190) [system] (-)=(;)
^  Call: (190) [user] is_like_space(-)
   Call: (191) [system] char_type(-, 'white')
   Call: (191) [system] char_type(-, end_of_line)
   Call: (191) [system] char_type(-, space)
   Call: (191) [system] char_type(-, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _107182)
   Exit: (189) [system] get_char((0x56051b6b4f40), -)
   Call: (189) [system] (-)='('
   Call: (189) [system] (-)='['
   Call: (189) [system] (-)='{'
   Call: (189) [system] (-)='"'
   Call: (189) [system] (-)=!
   Call: (189) [system] (-)='\''
   Call: (189) [system] (-)='`'
   Call: (189) [system] (-)=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), -, _96856)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _117400)
   Call: (191) [system] peek_char((0x56051b6b4f40), _118334)
   Exit: (191) [system] peek_char((0x56051b6b4f40), >)
^  Call: (191) [user] is_delimiter(>)
   Call: (192) [system] char_type(>, space)
   Call: (192) [system] arg(_122126, v('(', ')', end_of_file), >)
   Call: (191) [system] ')'==(>)
   Call: (191) [system] get_char((0x56051b6b4f40), >)
   Exit: (191) [system] get_char((0x56051b6b4f40), >)
   Call: (191) [system] (>)=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _126696)
   Call: (192) [system] peek_char((0x56051b6b4f40), _127630)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] is_delimiter(' ')
   Call: (193) [system] char_type(' ', space)
   Exit: (193) [system] char_type(' ', space)
^  Exit: (192) [user] is_delimiter(' ')
   Call: (192) [system] _126696=[]
   Exit: (192) [system] []=[]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (191) [system] _117400=[>]
   Exit: (191) [system] [>]=[>]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (190) [user] classify_and_convert_charseq(-, [>], _96856)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_139734, _139736), once(user:catch(read_from_chars([-, >], _96856), _139710, fail)), '$restore_trace'(_139734, _139736))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_139734, _139736))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _139710, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(->)
   Exit: (191) [system] atomic(->)
^  Exit: (190) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _147234)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _149092)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _155902)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _158606)
   Exit: (191) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (191) [system] 'A'=(;)
^  Call: (191) [user] is_like_space('A')
   Call: (192) [system] char_type('A', 'white')
   Call: (192) [system] char_type('A', end_of_line)
   Call: (192) [system] char_type('A', space)
   Call: (192) [system] char_type('A', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _167998)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (189) [system] 'A'=')'
   Call: (189) [system] 'A'=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _171712)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _173570)
   Exit: (191) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (191) [system] 'A'=(;)
^  Call: (191) [user] is_like_space('A')
   Call: (192) [system] char_type('A', 'white')
   Call: (192) [system] char_type('A', end_of_line)
   Call: (192) [system] char_type('A', space)
   Call: (192) [system] char_type('A', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _182038)
   Exit: (190) [system] get_char((0x56051b6b4f40), 'A')
   Call: (190) [system] 'A'='('
   Call: (190) [system] 'A'='['
   Call: (190) [system] 'A'='{'
   Call: (190) [system] 'A'='"'
   Call: (190) [system] 'A'=!
   Call: (190) [system] 'A'='\''
   Call: (190) [system] 'A'='`'
   Call: (190) [system] 'A'=end_of_file
^  Call: (190) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _171712)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _192256)
   Call: (192) [system] peek_char((0x56051b6b4f40), _193190)
   Exit: (192) [system] peek_char((0x56051b6b4f40), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_196982, v('(', ')', end_of_file), t)
   Call: (192) [system] ')'==t
   Call: (192) [system] get_char((0x56051b6b4f40), t)
   Exit: (192) [system] get_char((0x56051b6b4f40), t)
   Call: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _201552)
   Call: (193) [system] peek_char((0x56051b6b4f40), _202486)
   Exit: (193) [system] peek_char((0x56051b6b4f40), o)
^  Call: (193) [user] is_delimiter(o)
   Call: (194) [system] char_type(o, space)
   Call: (194) [system] arg(_206278, v('(', ')', end_of_file), o)
   Call: (193) [system] ')'==o
   Call: (193) [system] get_char((0x56051b6b4f40), o)
   Exit: (193) [system] get_char((0x56051b6b4f40), o)
   Call: (193) [system] o=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _210848)
   Call: (194) [system] peek_char((0x56051b6b4f40), _211782)
   Exit: (194) [system] peek_char((0x56051b6b4f40), m)
^  Call: (194) [user] is_delimiter(m)
   Call: (195) [system] char_type(m, space)
   Call: (195) [system] arg(_215574, v('(', ')', end_of_file), m)
   Call: (194) [system] ')'==m
   Call: (194) [system] get_char((0x56051b6b4f40), m)
   Exit: (194) [system] get_char((0x56051b6b4f40), m)
   Call: (194) [system] m=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _220144)
   Call: (195) [system] peek_char((0x56051b6b4f40), _221078)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_224870, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _220144=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (194) [system] _210848=[m]
   Exit: (194) [system] [m]=[m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m])
   Call: (193) [system] _201552=[o, m]
   Exit: (193) [system] [o, m]=[o, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, m])
   Call: (192) [system] _192256=[t, o, m]
   Exit: (192) [system] [t, o, m]=[t, o, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, o, m])
^  Call: (191) [user] classify_and_convert_charseq('A', [t, o, m], _171712)
^  Call: (193) [system] setup_call_cleanup('$notrace'(_239714, _239716), once(user:catch(read_from_chars(['A', t, o, m], _171712), _239690, fail)), '$restore_trace'(_239714, _239716))
^  Call: (194) [system] sig_atomic(system:'$notrace'(_239714, _239716))
^  Exit: (193) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', t, o, m], _171712), _239690, fail)), system:'$restore_trace'(3, -1))
   Call: (192) [system] atomic(_171712)
   Call: (192) [system] atom_chars(_171712, ['A', t, o, m])
   Exit: (192) [system] atom_chars('Atom', ['A', t, o, m])
^  Exit: (191) [user] classify_and_convert_charseq('A', [t, o, m], 'Atom')
^  Exit: (190) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'Atom')
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), 'Atom')
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _248166)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _250024)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ')')
   Call: (191) [system] ')'=(;)
^  Call: (191) [user] is_like_space(')')
   Call: (192) [system] char_type(')', 'white')
   Call: (192) [system] char_type(')', end_of_line)
   Call: (192) [system] char_type(')', space)
   Call: (192) [system] char_type(')', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _258492)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=')'
   Exit: (190) [system] ')'=')'
   Call: (190) [system] get_char((0x56051b6b4f40), _262282)
   Exit: (190) [system] get_char((0x56051b6b4f40), ')')
   Call: (190) [system] _248166=[]
   Exit: (190) [system] []=[]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (189) [system] _147234=['Atom']
   Exit: (189) [system] ['Atom']=['Atom']
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), ['Atom'])
   Call: (188) [system] _68778=[->, 'Atom']
   Exit: (188) [system] [->, 'Atom']=[->, 'Atom']
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [->, 'Atom'])
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), [->, 'Atom'])
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _273370)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _275228)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ')')
   Call: (188) [system] ')'=(;)
^  Call: (188) [user] is_like_space(')')
   Call: (189) [system] char_type(')', 'white')
   Call: (189) [system] char_type(')', end_of_line)
   Call: (189) [system] char_type(')', space)
   Call: (189) [system] char_type(')', cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _283696)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=')'
   Exit: (187) [system] ')'=')'
   Call: (187) [system] get_char((0x56051b6b4f40), _287486)
   Exit: (187) [system] get_char((0x56051b6b4f40), ')')
   Call: (187) [system] _273370=[]
   Exit: (187) [system] []=[]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (186) [system] _44300=[[->, 'Atom']]
   Exit: (186) [system] [[->, 'Atom']]=[[->, 'Atom']]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [[->, 'Atom']])
   Call: (185) [system] _3366=[rb, [->, 'Atom']]
   Exit: (185) [system] [rb, [->, 'Atom']]=[rb, [->, 'Atom']]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [rb, [->, 'Atom']])
   Call: (184) [system] _3326=[:, rb, [->, 'Atom']]
   Exit: (184) [system] [:, rb, [->, 'Atom']]=[:, rb, [->, 'Atom']]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [:, rb, [->, 'Atom']])
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), [:, rb, [->, 'Atom']])
^  Exit: (181) [user] read_sexpr((0x56051b6b4f40), [:, rb, [->, 'Atom']])
^  Call: (181) [user] assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))
^  Exit: (181) [user] assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))
^  Exit: (179) [system] once(user:(read_position((0x56051b6b4f40), 108, 0, 4259, '$stream_position'(4259, 108, 0, 4259)), read_sexpr((0x56051b6b4f40), [:, rb, [->, 'Atom']]), assertz(metta_file_comment(108, 0, 4259, [:, rb, [->, 'Atom']], '$stream_position'(4259, 108, 0, 4259)))))
   Call: (179) [system] fail
^  Call: (179) [user] retract(metta_file_comment(_306004, _306006, _306008, _306010, _306012))
^  Exit: (179) [user] retract(metta_file_comment(50, 0, 1601, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$stream_position'(1601, 50, 0, 1601)))
^  Call: (179) [user] trly(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _3084)
^  Call: (180) [user] once(call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _308842))
^  Call: (181) [user] call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _308842)
^  Call: (182) [user] untyped_to_metta('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _308842)
^  Call: (183) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _311658))
^  Call: (184) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _311658))
^  Call: (185) [user] trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _311658)
^  Call: (186) [user] once(call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _314458))
^  Call: (187) [user] call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _314458)
^  Call: (188) [user] mfix_vars1('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _314458)
   Call: (189) [system] var('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] atom('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==true
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==false
   Call: (189) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==[_320978, _320984]
   Call: (189) [system] is_list('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] string('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] compound('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Exit: (189) [system] compound('$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _325612, _325614)
   Exit: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
   Call: (189) [system] '$COMMENT'\=='$VAR'
   Exit: (189) [system] '$COMMENT'\=='$VAR'
^  Call: (189) [user] apply:maplist(mfix_vars1, [";; Nullary rule (axiom)", 50, 0], _329354)
   Call: (190) [apply] apply:maplist_([";; Nullary rule (axiom)", 50, 0], _329354, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(";; Nullary rule (axiom)", _331234)
   Call: (192) [system] var(";; Nullary rule (axiom)")
   Call: (192) [system] atom(";; Nullary rule (axiom)")
   Call: (192) [system] ";; Nullary rule (axiom)"==true
   Call: (192) [system] ";; Nullary rule (axiom)"==false
   Call: (192) [system] ";; Nullary rule (axiom)"==[_335876, _335882]
   Call: (192) [system] is_list(";; Nullary rule (axiom)")
   Call: (192) [system] string(";; Nullary rule (axiom)")
   Exit: (192) [system] string(";; Nullary rule (axiom)")
^  Call: (192) [user] string_to_syms
   Call: (193) [system] fail
   Call: (192) [system] compound(";; Nullary rule (axiom)")
^  Call: (192) [user] symbol(";; Nullary rule (axiom)")
   Call: (193) [system] atom(";; Nullary rule (axiom)")
   Fail: (193) [system] atom(";; Nullary rule (axiom)")
^  Fail: (192) [user] symbol(";; Nullary rule (axiom)")
   Call: (192) [system] ";; Nullary rule (axiom)"=_331234
   Exit: (192) [system] ";; Nullary rule (axiom)"=";; Nullary rule (axiom)"
^  Exit: (191) [user] mfix_vars1(";; Nullary rule (axiom)", ";; Nullary rule (axiom)")
   Call: (191) [apply] apply:maplist_([50, 0], _331236, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(50, _349756)
   Call: (193) [system] var(50)
   Call: (193) [system] atom(50)
   Call: (193) [system] 50==true
   Call: (193) [system] 50==false
   Call: (193) [system] 50==[_354398, _354404]
   Call: (193) [system] is_list(50)
   Call: (193) [system] string(50)
   Call: (193) [system] compound(50)
^  Call: (193) [user] symbol(50)
   Call: (194) [system] atom(50)
   Fail: (194) [system] atom(50)
^  Fail: (193) [user] symbol(50)
   Call: (193) [system] 50=_349756
   Exit: (193) [system] 50=50
^  Exit: (192) [user] mfix_vars1(50, 50)
   Call: (192) [apply] apply:maplist_([0], _349758, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(0, _365522)
   Call: (194) [system] var(0)
   Call: (194) [system] atom(0)
   Call: (194) [system] 0==true
   Call: (194) [system] 0==false
   Call: (194) [system] 0==[_370164, _370170]
   Call: (194) [system] is_list(0)
   Call: (194) [system] string(0)
   Call: (194) [system] compound(0)
^  Call: (194) [user] symbol(0)
   Call: (195) [system] atom(0)
   Fail: (195) [system] atom(0)
^  Fail: (194) [user] symbol(0)
   Call: (194) [system] 0=_365522
   Exit: (194) [system] 0=0
^  Exit: (193) [user] mfix_vars1(0, 0)
   Call: (193) [apply] apply:maplist_([], _365524, user:mfix_vars1)
   Exit: (193) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([50, 0], [50, 0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([";; Nullary rule (axiom)", 50, 0], [";; Nullary rule (axiom)", 50, 0], user:mfix_vars1)
^  Exit: (189) [apply] apply:maplist(user:mfix_vars1, [";; Nullary rule (axiom)", 50, 0], [";; Nullary rule (axiom)", 50, 0])
   Call: (189) [system] compound_name_arguments(_314458, '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
   Exit: (189) [system] compound_name_arguments('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT', [";; Nullary rule (axiom)", 50, 0])
^  Exit: (188) [user] mfix_vars1('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Call: (183) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _394340))
^  Call: (184) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _394340))
^  Call: (185) [user] trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _394340)
^  Call: (186) [user] once(call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _397140))
^  Call: (187) [user] call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _397140)
^  Call: (188) [user] cons_to_c('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _397140)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_c('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Call: (183) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _308842))
^  Call: (184) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _308842))
^  Call: (185) [user] trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _308842)
^  Call: (186) [user] once(call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _411098))
^  Call: (187) [user] call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), _411098)
^  Call: (188) [user] cons_to_l('$COMMENT'(";; Nullary rule (axiom)", 50, 0), _411098)
^  Call: (189) [user] no_cons_reduce
^  Exit: (189) [user] no_cons_reduce
^  Exit: (188) [user] cons_to_l('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (187) [system] call(user:cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (186) [system] once(user:call(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (186) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (185) [user] trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (184) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (183) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (182) [user] untyped_to_metta('$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (181) [system] call(user:untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (180) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (180) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)\=@='$COMMENT'(";; Nullary rule (axiom)", 50, 0)
^  Exit: (179) [user] trly(untyped_to_metta, '$COMMENT'(";; Nullary rule (axiom)", 50, 0), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (178) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
   Exit: (178) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
^  Exit: (177) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (176) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Nullary rule (axiom)", 50, 0)))
   Call: (169) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Nullary rule (axiom)", 50, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), nthesize_long_1726792630_1772065, 105)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792638.005028)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792638.005028-1726792634.4645028
   Exit: (173) [system] 3.540525197982788 is 1726792638.005028-1726792634.4645028
   Call: (173) [system] 3.540525197982788>4
   Fail: (173) [system] 3.540525197982788>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 16)
   Call: (175) [system] atom(16+1)
   Call: (175) [system] set_flag(translated_forms, 17)
   Exit: (175) [system] set_flag(translated_forms, 17)
   Exit: (174) [$syspreds] update_flag(translated_forms, 16, 16+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 16, 16+1))
   Exit: (171) [$syspreds] flag(translated_forms, 16, 16+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), nthesize_long_1726792630_1772065, 105)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Nullary rule (axiom)"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Nullary rule (axiom)"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), nthesize_long_1726792630_1772065, 105)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Nullary rule (axiom)", 50, 0)), 105]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 16, 16+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Nullary rule (axiom)", 50, 0), nthesize_long_1726792630_1772065, 105)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 108)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 108))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 108))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _487738)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _495160)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _503498)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _506284=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _508152, _508154, _508156, _508158), read_sexpr((0x56051b6b4f40), _508170), assertz(metta_file_comment(_508152, _508154, _508156, _508170, _508158))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _508152, _508154, _508156, _508158)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_508158))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_508158))
   Exit: (181) [system] nonvar(position(_508158))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4276, 109, 0, 4276)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4276, 109, 0, 4276), _508152)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _518410)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4276, 109, 0, 4276), _508152)
   Exit: (181) [system] arg(2, '$stream_position'(4276, 109, 0, 4276), 109)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4276, 109, 0, 4276), 109)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4276, 109, 0, 4276), _508154)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _525844)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4276, 109, 0, 4276), _508154)
   Exit: (181) [system] arg(3, '$stream_position'(4276, 109, 0, 4276), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4276, 109, 0, 4276), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4276, 109, 0, 4276), _508156)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _533278)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4276, 109, 0, 4276), _508156)
   Exit: (181) [system] arg(1, '$stream_position'(4276, 109, 0, 4276), 4276)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4276, 109, 0, 4276), 4276)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 109, 0, 4276, '$stream_position'(4276, 109, 0, 4276))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _508170)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _508170)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _542580)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _551048)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _508170)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _556618)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _565086)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _568800)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _570658)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _579126)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _568800)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _589344)
   Call: (185) [system] peek_char((0x56051b6b4f40), _590278)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _589344=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _568800)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_599588, _599590), once(user:catch(read_from_chars([=], _568800), _599564, fail)), '$restore_trace'(_599588, _599590))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_599588, _599590))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _599564, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _607088)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _608946)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _615756)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _618460)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _627852)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _631566)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _633424)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _641892)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _631566)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _647462)
   Exit: (186) [system] peek_char((0x56051b6b4f40), r)
   Call: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _655930)
   Exit: (185) [system] peek_char((0x56051b6b4f40), r)
   Call: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _659644)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _661502)
   Exit: (187) [system] peek_char((0x56051b6b4f40), r)
   Call: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _669970)
   Exit: (186) [system] get_char((0x56051b6b4f40), r)
   Call: (186) [system] r='('
   Call: (186) [system] r='['
   Call: (186) [system] r='{'
   Call: (186) [system] r='"'
   Call: (186) [system] r=!
   Call: (186) [system] r='\''
   Call: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, _659644)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _680188)
   Call: (188) [system] peek_char((0x56051b6b4f40), _681122)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_684914, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _689484)
   Call: (189) [system] peek_char((0x56051b6b4f40), _690418)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_694210, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _689484=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _680188=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _659644)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_703466, _703468), once(user:catch(read_from_chars([r, b], _659644), _703442, fail)), '$restore_trace'(_703466, _703468))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_703466, _703468))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _703442, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _710966)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _712824)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _721292)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _725082)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _710966=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _631566=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [rb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _733376)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _735234)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _742044)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _744748)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _754140)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _757854)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _759712)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _768180)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _757854)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _773750)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _782218)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _785932)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _787790)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _796258)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _785932)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _806476)
   Call: (189) [system] peek_char((0x56051b6b4f40), _807410)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _806476=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _785932)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_816720, _816722), once(user:catch(read_from_chars([:], _785932), _816696, fail)), '$restore_trace'(_816720, _816722))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_816720, _816722))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _816696, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _824220)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _826078)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _832888)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _835592)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'M')
   Call: (189) [system] 'M'=(;)
^  Call: (189) [user] is_like_space('M')
   Call: (190) [system] char_type('M', 'white')
   Call: (190) [system] char_type('M', end_of_line)
   Call: (190) [system] char_type('M', space)
   Call: (190) [system] char_type('M', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _844984)
   Exit: (187) [system] peek_char((0x56051b6b4f40), 'M')
   Call: (187) [system] 'M'=')'
   Call: (187) [system] 'M'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _848698)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _850556)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'M')
   Call: (189) [system] 'M'=(;)
^  Call: (189) [user] is_like_space('M')
   Call: (190) [system] char_type('M', 'white')
   Call: (190) [system] char_type('M', end_of_line)
   Call: (190) [system] char_type('M', space)
   Call: (190) [system] char_type('M', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _859024)
   Exit: (188) [system] get_char((0x56051b6b4f40), 'M')
   Call: (188) [system] 'M'='('
   Call: (188) [system] 'M'='['
   Call: (188) [system] 'M'='{'
   Call: (188) [system] 'M'='"'
   Call: (188) [system] 'M'=!
   Call: (188) [system] 'M'='\''
   Call: (188) [system] 'M'='`'
   Call: (188) [system] 'M'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'M', _848698)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _869242)
   Call: (190) [system] peek_char((0x56051b6b4f40), _870176)
   Exit: (190) [system] peek_char((0x56051b6b4f40), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_873968, v('(', ')', end_of_file), o)
   Call: (190) [system] ')'==o
   Call: (190) [system] get_char((0x56051b6b4f40), o)
   Exit: (190) [system] get_char((0x56051b6b4f40), o)
   Call: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _878538)
   Call: (191) [system] peek_char((0x56051b6b4f40), _879472)
   Exit: (191) [system] peek_char((0x56051b6b4f40), d)
^  Call: (191) [user] is_delimiter(d)
   Call: (192) [system] char_type(d, space)
   Call: (192) [system] arg(_883264, v('(', ')', end_of_file), d)
   Call: (191) [system] ')'==d
   Call: (191) [system] get_char((0x56051b6b4f40), d)
   Exit: (191) [system] get_char((0x56051b6b4f40), d)
   Call: (191) [system] d=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _887834)
   Call: (192) [system] peek_char((0x56051b6b4f40), _888768)
   Exit: (192) [system] peek_char((0x56051b6b4f40), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_892560, v('(', ')', end_of_file), u)
   Call: (192) [system] ')'==u
   Call: (192) [system] get_char((0x56051b6b4f40), u)
   Exit: (192) [system] get_char((0x56051b6b4f40), u)
   Call: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _897130)
   Call: (193) [system] peek_char((0x56051b6b4f40), _898064)
   Exit: (193) [system] peek_char((0x56051b6b4f40), s)
^  Call: (193) [user] is_delimiter(s)
   Call: (194) [system] char_type(s, space)
   Call: (194) [system] arg(_901856, v('(', ')', end_of_file), s)
   Call: (193) [system] ')'==s
   Call: (193) [system] get_char((0x56051b6b4f40), s)
   Exit: (193) [system] get_char((0x56051b6b4f40), s)
   Call: (193) [system] s=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _906426)
   Call: (194) [system] peek_char((0x56051b6b4f40), _907360)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'P')
^  Call: (194) [user] is_delimiter('P')
   Call: (195) [system] char_type('P', space)
   Call: (195) [system] arg(_911152, v('(', ')', end_of_file), 'P')
   Call: (194) [system] ')'=='P'
   Call: (194) [system] get_char((0x56051b6b4f40), 'P')
   Exit: (194) [system] get_char((0x56051b6b4f40), 'P')
   Call: (194) [system] 'P'=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _915722)
   Call: (195) [system] peek_char((0x56051b6b4f40), _916656)
   Exit: (195) [system] peek_char((0x56051b6b4f40), o)
^  Call: (195) [user] is_delimiter(o)
   Call: (196) [system] char_type(o, space)
   Call: (196) [system] arg(_920448, v('(', ')', end_of_file), o)
   Call: (195) [system] ')'==o
   Call: (195) [system] get_char((0x56051b6b4f40), o)
   Exit: (195) [system] get_char((0x56051b6b4f40), o)
   Call: (195) [system] o=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _925018)
   Call: (196) [system] peek_char((0x56051b6b4f40), _925952)
   Exit: (196) [system] peek_char((0x56051b6b4f40), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_929744, v('(', ')', end_of_file), n)
   Call: (196) [system] ')'==n
   Call: (196) [system] get_char((0x56051b6b4f40), n)
   Exit: (196) [system] get_char((0x56051b6b4f40), n)
   Call: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _934314)
   Call: (197) [system] peek_char((0x56051b6b4f40), _935248)
   Exit: (197) [system] peek_char((0x56051b6b4f40), e)
^  Call: (197) [user] is_delimiter(e)
   Call: (198) [system] char_type(e, space)
   Call: (198) [system] arg(_939040, v('(', ')', end_of_file), e)
   Call: (197) [system] ')'==e
   Call: (197) [system] get_char((0x56051b6b4f40), e)
   Exit: (197) [system] get_char((0x56051b6b4f40), e)
   Call: (197) [system] e=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _943610)
   Call: (198) [system] peek_char((0x56051b6b4f40), _944544)
   Exit: (198) [system] peek_char((0x56051b6b4f40), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_948336, v('(', ')', end_of_file), n)
   Call: (198) [system] ')'==n
   Call: (198) [system] get_char((0x56051b6b4f40), n)
   Exit: (198) [system] get_char((0x56051b6b4f40), n)
   Call: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _952906)
   Call: (199) [system] peek_char((0x56051b6b4f40), _953840)
   Exit: (199) [system] peek_char((0x56051b6b4f40), s)
^  Call: (199) [user] is_delimiter(s)
   Call: (200) [system] char_type(s, space)
   Call: (200) [system] arg(_957632, v('(', ')', end_of_file), s)
   Call: (199) [system] ')'==s
   Call: (199) [system] get_char((0x56051b6b4f40), s)
   Exit: (199) [system] get_char((0x56051b6b4f40), s)
   Call: (199) [system] s=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _962202)
   Call: (200) [system] peek_char((0x56051b6b4f40), _963136)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _962202=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _952906=[s]
   Exit: (199) [system] [s]=[s]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s])
   Call: (198) [system] _943610=[n, s]
   Exit: (198) [system] [n, s]=[n, s]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, s])
   Call: (197) [system] _934314=[e, n, s]
   Exit: (197) [system] [e, n, s]=[e, n, s]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, n, s])
   Call: (196) [system] _925018=[n, e, n, s]
   Exit: (196) [system] [n, e, n, s]=[n, e, n, s]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, e, n, s])
   Call: (195) [system] _915722=[o, n, e, n, s]
   Exit: (195) [system] [o, n, e, n, s]=[o, n, e, n, s]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, e, n, s])
   Call: (194) [system] _906426=['P', o, n, e, n, s]
   Exit: (194) [system] ['P', o, n, e, n, s]=['P', o, n, e, n, s]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['P', o, n, e, n, s])
   Call: (193) [system] _897130=[s, 'P', o, n, e, n, s]
   Exit: (193) [system] [s, 'P', o, n, e, n, s]=[s, 'P', o, n, e, n, s]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, 'P', o, n, e, n, s])
   Call: (192) [system] _887834=[u, s, 'P', o, n, e, n, s]
   Exit: (192) [system] [u, s, 'P', o, n, e, n, s]=[u, s, 'P', o, n, e, n, s]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, s, 'P', o, n, e, n, s])
   Call: (191) [system] _878538=[d, u, s, 'P', o, n, e, n, s]
   Exit: (191) [system] [d, u, s, 'P', o, n, e, n, s]=[d, u, s, 'P', o, n, e, n, s]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, s, 'P', o, n, e, n, s])
   Call: (190) [system] _869242=[o, d, u, s, 'P', o, n, e, n, s]
   Exit: (190) [system] [o, d, u, s, 'P', o, n, e, n, s]=[o, d, u, s, 'P', o, n, e, n, s]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, s, 'P', o, n, e, n, s])
^  Call: (189) [user] classify_and_convert_charseq('M', [o, d, u, s, 'P', o, n, e, n, s], _848698)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_1000386, _1000388), once(user:catch(read_from_chars(['M', o, d, u, s, 'P', o, n, e, n, s], _848698), _1000362, fail)), '$restore_trace'(_1000386, _1000388))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_1000386, _1000388))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['M', o, d, u, s, 'P', o, n, e, n, s], _848698), _1000362, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_848698)
   Call: (190) [system] atom_chars(_848698, ['M', o, d, u, s, 'P', o, n, e, n, s])
   Exit: (190) [system] atom_chars('ModusPonens', ['M', o, d, u, s, 'P', o, n, e, n, s])
^  Exit: (189) [user] classify_and_convert_charseq('M', [o, d, u, s, 'P', o, n, e, n, s], 'ModusPonens')
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'M', 'ModusPonens')
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), 'ModusPonens')
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1008838)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1010696)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1017506)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1020210)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1029602)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _1033316)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1035174)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _1043642)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1033316)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1049212)
   Exit: (191) [system] peek_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1057680)
   Exit: (190) [system] peek_char((0x56051b6b4f40), -)
   Call: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1061394)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1063252)
   Exit: (192) [system] peek_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _1071720)
   Exit: (191) [system] get_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, _1061394)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1081938)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1082872)
   Exit: (193) [system] peek_char((0x56051b6b4f40), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_1086664, v('(', ')', end_of_file), >)
   Call: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x56051b6b4f40), >)
   Exit: (193) [system] get_char((0x56051b6b4f40), >)
   Call: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1091234)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1092168)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1091234=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1081938=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _1061394)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_1104272, _1104274), once(user:catch(read_from_chars([-, >], _1061394), _1104248, fail)), '$restore_trace'(_1104272, _1104274))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_1104272, _1104274))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _1104248, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _1111772)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1113630)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1120440)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1123144)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1132536)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1136250)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1138108)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1146576)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1136250)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1152146)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (194) [system] 'I'=(;)
^  Call: (194) [user] is_like_space('I')
   Call: (195) [system] char_type('I', 'white')
   Call: (195) [system] char_type('I', end_of_line)
   Call: (195) [system] char_type('I', space)
   Call: (195) [system] char_type('I', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1160614)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (193) [system] 'I'=')'
   Call: (193) [system] 'I'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1164328)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1166186)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (195) [system] 'I'=(;)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1174654)
   Exit: (194) [system] get_char((0x56051b6b4f40), 'I')
   Call: (194) [system] 'I'='('
   Call: (194) [system] 'I'='['
   Call: (194) [system] 'I'='{'
   Call: (194) [system] 'I'='"'
   Call: (194) [system] 'I'=!
   Call: (194) [system] 'I'='\''
   Call: (194) [system] 'I'='`'
   Call: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1164328)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1184872)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1185806)
   Exit: (196) [system] peek_char((0x56051b6b4f40), m)
^  Call: (196) [user] is_delimiter(m)
   Call: (197) [system] char_type(m, space)
   Call: (197) [system] arg(_1189598, v('(', ')', end_of_file), m)
   Call: (196) [system] ')'==m
   Call: (196) [system] get_char((0x56051b6b4f40), m)
   Exit: (196) [system] get_char((0x56051b6b4f40), m)
   Call: (196) [system] m=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1194168)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1195102)
   Exit: (197) [system] peek_char((0x56051b6b4f40), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1198894, v('(', ')', end_of_file), p)
   Call: (197) [system] ')'==p
   Call: (197) [system] get_char((0x56051b6b4f40), p)
   Exit: (197) [system] get_char((0x56051b6b4f40), p)
   Call: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1203464)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1204398)
   Exit: (198) [system] peek_char((0x56051b6b4f40), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_1208190, v('(', ')', end_of_file), l)
   Call: (198) [system] ')'==l
   Call: (198) [system] get_char((0x56051b6b4f40), l)
   Exit: (198) [system] get_char((0x56051b6b4f40), l)
   Call: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1212760)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1213694)
   Exit: (199) [system] peek_char((0x56051b6b4f40), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_1217486, v('(', ')', end_of_file), i)
   Call: (199) [system] ')'==i
   Call: (199) [system] get_char((0x56051b6b4f40), i)
   Exit: (199) [system] get_char((0x56051b6b4f40), i)
   Call: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1222056)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1222990)
   Exit: (200) [system] peek_char((0x56051b6b4f40), c)
^  Call: (200) [user] is_delimiter(c)
   Call: (201) [system] char_type(c, space)
   Call: (201) [system] arg(_1226782, v('(', ')', end_of_file), c)
   Call: (200) [system] ')'==c
   Call: (200) [system] get_char((0x56051b6b4f40), c)
   Exit: (200) [system] get_char((0x56051b6b4f40), c)
   Call: (200) [system] c=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1231352)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1232286)
   Exit: (201) [system] peek_char((0x56051b6b4f40), a)
^  Call: (201) [user] is_delimiter(a)
   Call: (202) [system] char_type(a, space)
   Call: (202) [system] arg(_1236078, v('(', ')', end_of_file), a)
   Call: (201) [system] ')'==a
   Call: (201) [system] get_char((0x56051b6b4f40), a)
   Exit: (201) [system] get_char((0x56051b6b4f40), a)
   Call: (201) [system] a=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1240648)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1241582)
   Exit: (202) [system] peek_char((0x56051b6b4f40), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_1245374, v('(', ')', end_of_file), t)
   Call: (202) [system] ')'==t
   Call: (202) [system] get_char((0x56051b6b4f40), t)
   Exit: (202) [system] get_char((0x56051b6b4f40), t)
   Call: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1249944)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1250878)
   Exit: (203) [system] peek_char((0x56051b6b4f40), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1254670, v('(', ')', end_of_file), i)
   Call: (203) [system] ')'==i
   Call: (203) [system] get_char((0x56051b6b4f40), i)
   Exit: (203) [system] get_char((0x56051b6b4f40), i)
   Call: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1259240)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1260174)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_1263966, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1268536)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1269470)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1273262, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1277832)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1278766)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1282558, v('(', ')', end_of_file), 'L')
   Call: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (206) [system] get_char((0x56051b6b4f40), 'L')
   Call: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1287128)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1288062)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1291854, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1296424)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1297358)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1301150, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1305720)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1306654)
   Exit: (209) [system] peek_char((0x56051b6b4f40), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1310446, v('(', ')', end_of_file), k)
   Call: (209) [system] ')'==k
   Call: (209) [system] get_char((0x56051b6b4f40), k)
   Exit: (209) [system] get_char((0x56051b6b4f40), k)
   Call: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1315016)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1315950)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1315016=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1305720=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (208) [system] _1296424=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (207) [system] _1287128=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (206) [system] _1277832=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (205) [system] _1268536=[n, 'L', i, n, k]
   Exit: (205) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'L', i, n, k])
   Call: (204) [system] _1259240=[o, n, 'L', i, n, k]
   Exit: (204) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'L', i, n, k])
   Call: (203) [system] _1249944=[i, o, n, 'L', i, n, k]
   Exit: (203) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'L', i, n, k])
   Call: (202) [system] _1240648=[t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1231352=[a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1222056=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1212760=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1203464=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1194168=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (196) [system] _1184872=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (196) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1164328)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1364376, _1364378), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1164328), _1364352, fail)), '$restore_trace'(_1364376, _1364378))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1364376, _1364378))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1164328), _1364352, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_1164328)
   Call: (196) [system] atom_chars(_1164328, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (196) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'ImplicationLink')
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), 'ImplicationLink')
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1372828)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1374686)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1381496)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1384200)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1393592)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1397306)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1399164)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1407632)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _1397306)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1417850)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1418784)
   Exit: (197) [system] peek_char((0x56051b6b4f40), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1422576, v('(', ')', end_of_file), p)
   Call: (197) [system] ')'==p
   Call: (197) [system] get_char((0x56051b6b4f40), p)
   Exit: (197) [system] get_char((0x56051b6b4f40), p)
   Call: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1427146)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1428080)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1427146=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (197) [system] _1417850=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _1397306)
   Call: (197) [system] atom_chars(_1440158, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1444822)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1446680)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1453490)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1456194)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1465586)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1469300)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1471158)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1479626)
   Exit: (196) [system] get_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _1469300)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1489844)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1490778)
   Exit: (198) [system] peek_char((0x56051b6b4f40), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1494570, v('(', ')', end_of_file), q)
   Call: (198) [system] ')'==q
   Call: (198) [system] get_char((0x56051b6b4f40), q)
   Exit: (198) [system] get_char((0x56051b6b4f40), q)
   Call: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1499140)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1500074)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1503866, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1499140=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1489844=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1469300)
   Call: (198) [system] atom_chars(_1513096, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1517760)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1519618)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1528086)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1531876)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1517760=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1444822=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (194) [system] _1372828=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_p, _q])
   Call: (193) [system] _1136250=['ImplicationLink', _p, _q]
   Exit: (193) [system] ['ImplicationLink', _p, _q]=['ImplicationLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), ['ImplicationLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), ['ImplicationLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1545758)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1547616)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1554426)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1557130)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1566522)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1570236)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1572094)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1580562)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _1570236)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1590780)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1591714)
   Exit: (195) [system] peek_char((0x56051b6b4f40), p)
^  Call: (195) [user] is_delimiter(p)
   Call: (196) [system] char_type(p, space)
   Call: (196) [system] arg(_1595506, v('(', ')', end_of_file), p)
   Call: (195) [system] ')'==p
   Call: (195) [system] get_char((0x56051b6b4f40), p)
   Exit: (195) [system] get_char((0x56051b6b4f40), p)
   Call: (195) [system] p=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1600076)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1601010)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1600076=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1590780=[p]
   Exit: (195) [system] [p]=[p]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (194) [user] classify_and_convert_charseq($, [p], _1570236)
   Call: (195) [system] atom_chars(_1613088, ['_', p])
   Exit: (195) [system] atom_chars('_p', ['_', p])
^  Exit: (194) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1617752)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1619610)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1626420)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1629124)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1638516)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1642230)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1644088)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1652556)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _1642230)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1662774)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1663708)
   Exit: (196) [system] peek_char((0x56051b6b4f40), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1667500, v('(', ')', end_of_file), q)
   Call: (196) [system] ')'==q
   Call: (196) [system] get_char((0x56051b6b4f40), q)
   Exit: (196) [system] get_char((0x56051b6b4f40), q)
   Call: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1672070)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1673004)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1676796, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1672070=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1662774=[q]
   Exit: (196) [system] [q]=[q]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (195) [user] classify_and_convert_charseq($, [q], _1642230)
   Call: (196) [system] atom_chars(_1686026, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1690690)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1692548)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1701016)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _1704806)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _1690690=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1617752=[_q]
   Exit: (193) [system] [_q]=[_q]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (192) [system] _1545758=[_p, _q]
   Exit: (192) [system] [_p, _q]=[_p, _q]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_p, _q])
   Call: (191) [system] _1111772=[['ImplicationLink', _p, _q], _p, _q]
   Exit: (191) [system] [['ImplicationLink', _p, _q], _p, _q]=[['ImplicationLink', _p, _q], _p, _q]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [['ImplicationLink', _p, _q], _p, _q])
   Call: (190) [system] _1033316=[->, ['ImplicationLink', _p, _q], _p, _q]
   Exit: (190) [system] [->, ['ImplicationLink', _p, _q], _p, _q]=[->, ['ImplicationLink', _p, _q], _p, _q]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [->, ['ImplicationLink', _p, _q], _p, _q])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), [->, ['ImplicationLink', _p, _q], _p, _q])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1721482)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1723340)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1731808)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1735598)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1721482=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _1008838=[[->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (188) [system] [[->, ['ImplicationLink', _p, _q], _p, _q]]=[[->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [[->, ['ImplicationLink', _p, _q], _p, _q]])
   Call: (187) [system] _824220=['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (187) [system] ['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]=['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), ['ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
   Call: (186) [system] _757854=[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
   Exit: (186) [system] [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]=[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1749480)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1751338)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1759806)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1763596)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1749480=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _733376=[[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (184) [system] [[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
   Call: (183) [system] _607088=[[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (183) [system] [[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
   Call: (182) [system] _508170=[=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
   Exit: (182) [system] [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]=[=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]])
^  Call: (179) [user] assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))
^  Exit: (179) [user] assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 109, 0, 4276, '$stream_position'(4276, 109, 0, 4276)), read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]]), assertz(metta_file_comment(109, 0, 4276, [=, [rb], [:, 'ModusPonens', [->, ['ImplicationLink', _p, _q], _p, _q]]], '$stream_position'(4276, 109, 0, 4276)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1782114, _1782116, _1782118, _1782120, _1782122))
^  Exit: (177) [user] retract(metta_file_comment(50, 0, 1601, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], '$stream_position'(1601, 50, 0, 1601)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1785038))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1785038)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1785038)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1787854))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1787854))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1787854)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1790654))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1790654)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1790654)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1800876)
   Call: (188) [lists] lists:last_([[let, _query, [_kb], _query]], [synthesize, _query, _kb, _rb, _depth], _1800876)
   Call: (189) [lists] lists:last_([], [let, _query, [_kb], _query], _1800876)
   Exit: (189) [lists] lists:last_([], [let, _query, [_kb], _query], [let, _query, [_kb], _query])
   Exit: (188) [lists] lists:last_([[let, _query, [_kb], _query]], [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [let, _query, [_kb], _query])
   Call: (187) [system] [let, _query, [_kb], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==[_1807392, _1807398]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1790654)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1790654, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1812972)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1816680, =)
   Call: (191) [system] atom_concat($, _1816680, =)
   Fail: (191) [system] atom_concat($, _1816680, =)
^  Fail: (190) [user] symbol_concat($, _1816680, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1822268, _1822274]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1812974, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, _depth], _1831536)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, _depth])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, _depth])
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, _depth])
   Exit: (191) [system] is_list([_query, _kb, _rb, _depth])
   Call: (191) [lists] lists:last([_query, _kb, _rb, _depth], _1839880)
   Call: (192) [lists] lists:last_([_kb, _rb, _depth], _query, _1839880)
   Call: (193) [lists] lists:last_([_rb, _depth], _kb, _1839880)
   Call: (194) [lists] lists:last_([_depth], _rb, _1839880)
   Call: (195) [lists] lists:last_([], _depth, _1839880)
   Exit: (195) [lists] lists:last_([], _depth, _depth)
   Exit: (194) [lists] lists:last_([_depth], _rb, _depth)
   Exit: (193) [lists] lists:last_([_rb, _depth], _kb, _depth)
   Exit: (192) [lists] lists:last_([_kb, _rb, _depth], _query, _depth)
   Exit: (191) [lists] lists:last([_query, _kb, _rb, _depth], _depth)
   Call: (191) [system] _depth=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, _depth]==[_1850124, _1850130]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, _depth])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, _depth])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, _depth], _1831536)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], _1831536, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _1855704)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _1859412, synthesize)
   Call: (195) [system] atom_concat($, _1859412, synthesize)
   Fail: (195) [system] atom_concat($, _1859412, synthesize)
^  Fail: (194) [user] symbol_concat($, _1859412, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_1865000, _1865006]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, _depth], _1855706, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1874268)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_1878910, _1878916]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _1883544, _1883546)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1889138))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1889138))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1889138)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1891938))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1891938)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1891938)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1785038))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1785038))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1785038)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1905896))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1905896)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1905896)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]\=@=[=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (171) [user] read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], nthesize_long_1726792630_1772065, 108)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792638.1831946)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792638.1831946-1726792634.4645028
   Exit: (173) [system] 3.718691825866699 is 1726792638.1831946-1726792634.4645028
   Call: (173) [system] 3.718691825866699>4
   Fail: (173) [system] 3.718691825866699>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 17)
   Call: (175) [system] atom(17+1)
   Call: (175) [system] set_flag(translated_forms, 18)
   Exit: (175) [system] set_flag(translated_forms, 18)
   Exit: (174) [$syspreds] update_flag(translated_forms, 17, 17+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 17, 17+1))
   Exit: (171) [$syspreds] flag(translated_forms, 17, 17+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], nthesize_long_1726792630_1772065, 108)
^  Call: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, _1957366, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1957368)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1957368)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (174) [user] s2t(=, _1962018)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_1962018
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], _1962020)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, _depth], _1969436)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, _depth])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, _depth])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, _depth], _1976848)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], _1976848, user:s2t)
^  Call: (178) [user] s2t(synthesize, _1978728)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_1978728
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, _depth], _1978730, user:s2t)
^  Call: (179) [user] s2t(_query, _1984302)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _1984302)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, _depth], _1984304, user:s2t)
^  Call: (180) [user] s2t(_kb, _1993572)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _1993572)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, _depth], _1993574, user:s2t)
^  Call: (181) [user] s2t(_rb, _2002842)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _2002842)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([_depth], _2002844, user:s2t)
^  Call: (182) [user] s2t(_depth, _2012112)
   Call: (183) [system] compound(_depth)
   Exit: (183) [system] compound(_depth)
   Call: (183) [system] is_list(_depth)
^  Call: (183) [user] s2tl(_depth, _2012112)
   Call: (184) [system] compound(_depth)
   Exit: (184) [system] compound(_depth)
^  Exit: (183) [user] s2tl(_depth, _depth)
^  Exit: (182) [user] s2t(_depth, _depth)
   Call: (182) [apply] apply:maplist_([], _2012114, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([_depth], [_depth], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, _depth], [_rb, _depth], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, _depth], [_kb, _rb, _depth], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, _depth], [_query, _kb, _rb, _depth], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, _depth], [synthesize, _query, _kb, _rb, _depth], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, _depth], [synthesize, _query, _kb, _rb, _depth])
   Call: (176) [system] compound_name_arguments(_1969436, t, [synthesize, _query, _kb, _rb, _depth])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, _depth), t, [synthesize, _query, _kb, _rb, _depth])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, _depth], t(synthesize, _query, _kb, _rb, _depth))
^  Call: (175) [user] s2tl([[let, _query, [_kb], _query]], _1969438)
   Call: (176) [system] compound([[let, _query, [_kb], _query]])
   Exit: (176) [system] compound([[let, _query, [_kb], _query]])
^  Call: (176) [user] s2t([let, _query, [_kb], _query], _2033492)
   Call: (177) [system] compound([let, _query, [_kb], _query])
   Exit: (177) [system] compound([let, _query, [_kb], _query])
   Call: (177) [system] let==(->)
   Call: (177) [system] let=='Cons'
   Call: (177) [system] let==(=)
   Call: (177) [system] is_list([let, _query, [_kb], _query])
   Exit: (177) [system] is_list([let, _query, [_kb], _query])
^  Call: (177) [user] apply:maplist(s2t, [let, _query, [_kb], _query], _2040904)
   Call: (178) [apply] apply:maplist_([let, _query, [_kb], _query], _2040904, user:s2t)
^  Call: (179) [user] s2t(let, _2042784)
   Call: (180) [system] compound(let)
   Call: (180) [system] let=_2042784
   Exit: (180) [system] let=let
^  Exit: (179) [user] s2t(let, let)
   Call: (179) [apply] apply:maplist_([_query, [_kb], _query], _2042786, user:s2t)
^  Call: (180) [user] s2t(_query, _2048358)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
   Call: (181) [system] is_list(_query)
^  Call: (181) [user] s2tl(_query, _2048358)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
^  Exit: (181) [user] s2tl(_query, _query)
^  Exit: (180) [user] s2t(_query, _query)
   Call: (180) [apply] apply:maplist_([[_kb], _query], _2048360, user:s2t)
^  Call: (181) [user] s2t([_kb], _2057628)
   Call: (182) [system] compound([_kb])
   Exit: (182) [system] compound([_kb])
   Call: (182) [system] _kb==(->)
   Call: (182) [system] _kb=='Cons'
   Call: (182) [system] _kb==(=)
   Call: (182) [system] is_list([_kb])
   Exit: (182) [system] is_list([_kb])
^  Call: (182) [user] apply:maplist(s2t, [_kb], _2065040)
   Call: (183) [apply] apply:maplist_([_kb], _2065040, user:s2t)
^  Call: (184) [user] s2t(_kb, _2066920)
   Call: (185) [system] compound(_kb)
   Exit: (185) [system] compound(_kb)
   Call: (185) [system] is_list(_kb)
^  Call: (185) [user] s2tl(_kb, _2066920)
   Call: (186) [system] compound(_kb)
   Exit: (186) [system] compound(_kb)
^  Exit: (185) [user] s2tl(_kb, _kb)
^  Exit: (184) [user] s2t(_kb, _kb)
   Call: (184) [apply] apply:maplist_([], _2066922, user:s2t)
   Exit: (184) [apply] apply:maplist_([], [], user:s2t)
   Exit: (183) [apply] apply:maplist_([_kb], [_kb], user:s2t)
^  Exit: (182) [apply] apply:maplist(user:s2t, [_kb], [_kb])
   Call: (182) [system] compound_name_arguments(_2057628, t, [_kb])
   Exit: (182) [system] compound_name_arguments(t(_kb), t, [_kb])
^  Exit: (181) [user] s2t([_kb], t(_kb))
   Call: (181) [apply] apply:maplist_([_query], _2057630, user:s2t)
^  Call: (182) [user] s2t(_query, _2082720)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
   Call: (183) [system] is_list(_query)
^  Call: (183) [user] s2tl(_query, _2082720)
   Call: (184) [system] compound(_query)
   Exit: (184) [system] compound(_query)
^  Exit: (183) [user] s2tl(_query, _query)
^  Exit: (182) [user] s2t(_query, _query)
   Call: (182) [apply] apply:maplist_([], _2082722, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (180) [apply] apply:maplist_([[_kb], _query], [t(_kb), _query], user:s2t)
   Exit: (179) [apply] apply:maplist_([_query, [_kb], _query], [_query, t(_kb), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_([let, _query, [_kb], _query], [let, _query, t(_kb), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, [let, _query, [_kb], _query], [let, _query, t(_kb), _query])
   Call: (177) [system] compound_name_arguments(_3426, t, [let, _query, t(_kb), _query])
   Exit: (177) [system] compound_name_arguments(t(let, _query, t(_kb), _query), t, [let, _query, t(_kb), _query])
^  Exit: (176) [user] s2t([let, _query, [_kb], _query], t(let, _query, t(_kb), _query))
^  Call: (176) [user] s2tl([], _3428)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_3428
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([[let, _query, [_kb], _query]], [t(let, _query, t(_kb), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Exit: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065, [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)], _15380)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Call: (173) [system] _15380=[=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]=[=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)], [=, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)])
   Call: (172) [system] _20942=..[nthesize_long_1726792630_1772065, 108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
   Exit: (172) [system] nthesize_long_1726792630_1772065(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))=..[nthesize_long_1726792630_1772065, 108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query)]
^  Call: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))])
^  Exit: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065(108, =, t(synthesize, _query, _kb, _rb, _depth), t(let, _query, t(_kb), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], nthesize_long_1726792630_1772065, 108)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]]), 108]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 17, 17+1), write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, _depth], [let, _query, [_kb], _query]], nthesize_long_1726792630_1772065, 108)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 109)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 109))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 109))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _46134)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _53556)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _61894)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _64680=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _66548, _66550, _66552, _66554), read_sexpr((0x56051b6b4f40), _66566), assertz(metta_file_comment(_66548, _66550, _66552, _66566, _66554))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _66548, _66550, _66552, _66554)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_66554))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_66554))
   Exit: (181) [system] nonvar(position(_66554))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4336, 110, 0, 4336)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4336, 110, 0, 4336), _66548)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _76806)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4336, 110, 0, 4336), _66548)
   Exit: (181) [system] arg(2, '$stream_position'(4336, 110, 0, 4336), 110)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4336, 110, 0, 4336), 110)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4336, 110, 0, 4336), _66550)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _84240)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4336, 110, 0, 4336), _66550)
   Exit: (181) [system] arg(3, '$stream_position'(4336, 110, 0, 4336), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4336, 110, 0, 4336), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4336, 110, 0, 4336), _66552)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _91674)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4336, 110, 0, 4336), _66552)
   Exit: (181) [system] arg(1, '$stream_position'(4336, 110, 0, 4336), 4336)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4336, 110, 0, 4336), 4336)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 110, 0, 4336, '$stream_position'(4336, 110, 0, 4336))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _66566)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _66566)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _100976)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _109444)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _66566)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _115014)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _123482)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _127196)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _129054)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _137522)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _127196)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _147740)
   Call: (185) [system] peek_char((0x56051b6b4f40), _148674)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _147740=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _127196)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_157984, _157986), once(user:catch(read_from_chars([=], _127196), _157960, fail)), '$restore_trace'(_157984, _157986))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_157984, _157986))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _157960, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _165484)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _167342)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _174152)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _176856)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _186248)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _189962)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _191820)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _200288)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _189962)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _205858)
   Exit: (186) [system] peek_char((0x56051b6b4f40), r)
   Call: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _214326)
   Exit: (185) [system] peek_char((0x56051b6b4f40), r)
   Call: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _218040)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _219898)
   Exit: (187) [system] peek_char((0x56051b6b4f40), r)
   Call: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _228366)
   Exit: (186) [system] get_char((0x56051b6b4f40), r)
   Call: (186) [system] r='('
   Call: (186) [system] r='['
   Call: (186) [system] r='{'
   Call: (186) [system] r='"'
   Call: (186) [system] r=!
   Call: (186) [system] r='\''
   Call: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, _218040)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _238584)
   Call: (188) [system] peek_char((0x56051b6b4f40), _239518)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_243310, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _247880)
   Call: (189) [system] peek_char((0x56051b6b4f40), _248814)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_252606, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _247880=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _238584=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _218040)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_261862, _261864), once(user:catch(read_from_chars([r, b], _218040), _261838, fail)), '$restore_trace'(_261862, _261864))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_261862, _261864))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _261838, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _269362)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _271220)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _279688)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _283478)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _269362=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _189962=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [rb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _291772)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _293630)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _300440)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _303144)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _312536)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _316250)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _318108)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _326576)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _316250)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _332146)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _340614)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _344328)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _346186)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _354654)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _344328)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _364872)
   Call: (189) [system] peek_char((0x56051b6b4f40), _365806)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _364872=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _344328)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_375116, _375118), once(user:catch(read_from_chars([:], _344328), _375092, fail)), '$restore_trace'(_375116, _375118))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_375116, _375118))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _375092, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _382616)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _384474)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _391284)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _393988)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _403380)
   Exit: (187) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _407094)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _408952)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _417420)
   Exit: (188) [system] get_char((0x56051b6b4f40), 'D')
   Call: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _407094)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _427638)
   Call: (190) [system] peek_char((0x56051b6b4f40), _428572)
   Exit: (190) [system] peek_char((0x56051b6b4f40), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_432364, v('(', ')', end_of_file), e)
   Call: (190) [system] ')'==e
   Call: (190) [system] get_char((0x56051b6b4f40), e)
   Exit: (190) [system] get_char((0x56051b6b4f40), e)
   Call: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _436934)
   Call: (191) [system] peek_char((0x56051b6b4f40), _437868)
   Exit: (191) [system] peek_char((0x56051b6b4f40), d)
^  Call: (191) [user] is_delimiter(d)
   Call: (192) [system] char_type(d, space)
   Call: (192) [system] arg(_441660, v('(', ')', end_of_file), d)
   Call: (191) [system] ')'==d
   Call: (191) [system] get_char((0x56051b6b4f40), d)
   Exit: (191) [system] get_char((0x56051b6b4f40), d)
   Call: (191) [system] d=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _446230)
   Call: (192) [system] peek_char((0x56051b6b4f40), _447164)
   Exit: (192) [system] peek_char((0x56051b6b4f40), u)
^  Call: (192) [user] is_delimiter(u)
   Call: (193) [system] char_type(u, space)
   Call: (193) [system] arg(_450956, v('(', ')', end_of_file), u)
   Call: (192) [system] ')'==u
   Call: (192) [system] get_char((0x56051b6b4f40), u)
   Exit: (192) [system] get_char((0x56051b6b4f40), u)
   Call: (192) [system] u=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _455526)
   Call: (193) [system] peek_char((0x56051b6b4f40), _456460)
   Exit: (193) [system] peek_char((0x56051b6b4f40), c)
^  Call: (193) [user] is_delimiter(c)
   Call: (194) [system] char_type(c, space)
   Call: (194) [system] arg(_460252, v('(', ')', end_of_file), c)
   Call: (193) [system] ')'==c
   Call: (193) [system] get_char((0x56051b6b4f40), c)
   Exit: (193) [system] get_char((0x56051b6b4f40), c)
   Call: (193) [system] c=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _464822)
   Call: (194) [system] peek_char((0x56051b6b4f40), _465756)
   Exit: (194) [system] peek_char((0x56051b6b4f40), t)
^  Call: (194) [user] is_delimiter(t)
   Call: (195) [system] char_type(t, space)
   Call: (195) [system] arg(_469548, v('(', ')', end_of_file), t)
   Call: (194) [system] ')'==t
   Call: (194) [system] get_char((0x56051b6b4f40), t)
   Exit: (194) [system] get_char((0x56051b6b4f40), t)
   Call: (194) [system] t=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _474118)
   Call: (195) [system] peek_char((0x56051b6b4f40), _475052)
   Exit: (195) [system] peek_char((0x56051b6b4f40), i)
^  Call: (195) [user] is_delimiter(i)
   Call: (196) [system] char_type(i, space)
   Call: (196) [system] arg(_478844, v('(', ')', end_of_file), i)
   Call: (195) [system] ')'==i
   Call: (195) [system] get_char((0x56051b6b4f40), i)
   Exit: (195) [system] get_char((0x56051b6b4f40), i)
   Call: (195) [system] i=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _483414)
   Call: (196) [system] peek_char((0x56051b6b4f40), _484348)
   Exit: (196) [system] peek_char((0x56051b6b4f40), o)
^  Call: (196) [user] is_delimiter(o)
   Call: (197) [system] char_type(o, space)
   Call: (197) [system] arg(_488140, v('(', ')', end_of_file), o)
   Call: (196) [system] ')'==o
   Call: (196) [system] get_char((0x56051b6b4f40), o)
   Exit: (196) [system] get_char((0x56051b6b4f40), o)
   Call: (196) [system] o=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _492710)
   Call: (197) [system] peek_char((0x56051b6b4f40), _493644)
   Exit: (197) [system] peek_char((0x56051b6b4f40), n)
^  Call: (197) [user] is_delimiter(n)
   Call: (198) [system] char_type(n, space)
   Call: (198) [system] arg(_497436, v('(', ')', end_of_file), n)
   Call: (197) [system] ')'==n
   Call: (197) [system] get_char((0x56051b6b4f40), n)
   Exit: (197) [system] get_char((0x56051b6b4f40), n)
   Call: (197) [system] n=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _502006)
   Call: (198) [system] peek_char((0x56051b6b4f40), _502940)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _502006=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (197) [system] _492710=[n]
   Exit: (197) [system] [n]=[n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (196) [system] _483414=[o, n]
   Exit: (196) [system] [o, n]=[o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (195) [system] _474118=[i, o, n]
   Exit: (195) [system] [i, o, n]=[i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (194) [system] _464822=[t, i, o, n]
   Exit: (194) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (193) [system] _455526=[c, t, i, o, n]
   Exit: (193) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (192) [system] _446230=[u, c, t, i, o, n]
   Exit: (192) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (191) [system] _436934=[d, u, c, t, i, o, n]
   Exit: (191) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (190) [system] _427638=[e, d, u, c, t, i, o, n]
   Exit: (190) [system] [e, d, u, c, t, i, o, n]=[e, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq('D', [e, d, u, c, t, i, o, n], _407094)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_534602, _534604), once(user:catch(read_from_chars(['D', e, d, u, c, t, i, o, n], _407094), _534578, fail)), '$restore_trace'(_534602, _534604))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_534602, _534604))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', e, d, u, c, t, i, o, n], _407094), _534578, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_407094)
   Call: (190) [system] atom_chars(_407094, ['D', e, d, u, c, t, i, o, n])
   Exit: (190) [system] atom_chars('Deduction', ['D', e, d, u, c, t, i, o, n])
^  Exit: (189) [user] classify_and_convert_charseq('D', [e, d, u, c, t, i, o, n], 'Deduction')
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'Deduction')
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), 'Deduction')
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _543054)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _544912)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _551722)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _554426)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _563818)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _567532)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _569390)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _577858)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _567532)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _583428)
   Exit: (191) [system] peek_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _591896)
   Exit: (190) [system] peek_char((0x56051b6b4f40), -)
   Call: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _595610)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _597468)
   Exit: (192) [system] peek_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _605936)
   Exit: (191) [system] get_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, _595610)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _616154)
   Call: (193) [system] peek_char((0x56051b6b4f40), _617088)
   Exit: (193) [system] peek_char((0x56051b6b4f40), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_620880, v('(', ')', end_of_file), >)
   Call: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x56051b6b4f40), >)
   Exit: (193) [system] get_char((0x56051b6b4f40), >)
   Call: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _625450)
   Call: (194) [system] peek_char((0x56051b6b4f40), _626384)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _625450=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _616154=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _595610)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_638488, _638490), once(user:catch(read_from_chars([-, >], _595610), _638464, fail)), '$restore_trace'(_638488, _638490))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_638488, _638490))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _638464, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _645988)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _647846)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _654656)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _657360)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _666752)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _670466)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _672324)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _680792)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _670466)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _686362)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (194) [system] 'I'=(;)
^  Call: (194) [user] is_like_space('I')
   Call: (195) [system] char_type('I', 'white')
   Call: (195) [system] char_type('I', end_of_line)
   Call: (195) [system] char_type('I', space)
   Call: (195) [system] char_type('I', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _694830)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (193) [system] 'I'=')'
   Call: (193) [system] 'I'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _698544)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _700402)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (195) [system] 'I'=(;)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _708870)
   Exit: (194) [system] get_char((0x56051b6b4f40), 'I')
   Call: (194) [system] 'I'='('
   Call: (194) [system] 'I'='['
   Call: (194) [system] 'I'='{'
   Call: (194) [system] 'I'='"'
   Call: (194) [system] 'I'=!
   Call: (194) [system] 'I'='\''
   Call: (194) [system] 'I'='`'
   Call: (194) [system] 'I'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _698544)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _719088)
   Call: (196) [system] peek_char((0x56051b6b4f40), _720022)
   Exit: (196) [system] peek_char((0x56051b6b4f40), m)
^  Call: (196) [user] is_delimiter(m)
   Call: (197) [system] char_type(m, space)
   Call: (197) [system] arg(_723814, v('(', ')', end_of_file), m)
   Call: (196) [system] ')'==m
   Call: (196) [system] get_char((0x56051b6b4f40), m)
   Exit: (196) [system] get_char((0x56051b6b4f40), m)
   Call: (196) [system] m=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _728384)
   Call: (197) [system] peek_char((0x56051b6b4f40), _729318)
   Exit: (197) [system] peek_char((0x56051b6b4f40), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_733110, v('(', ')', end_of_file), p)
   Call: (197) [system] ')'==p
   Call: (197) [system] get_char((0x56051b6b4f40), p)
   Exit: (197) [system] get_char((0x56051b6b4f40), p)
   Call: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _737680)
   Call: (198) [system] peek_char((0x56051b6b4f40), _738614)
   Exit: (198) [system] peek_char((0x56051b6b4f40), l)
^  Call: (198) [user] is_delimiter(l)
   Call: (199) [system] char_type(l, space)
   Call: (199) [system] arg(_742406, v('(', ')', end_of_file), l)
   Call: (198) [system] ')'==l
   Call: (198) [system] get_char((0x56051b6b4f40), l)
   Exit: (198) [system] get_char((0x56051b6b4f40), l)
   Call: (198) [system] l=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _746976)
   Call: (199) [system] peek_char((0x56051b6b4f40), _747910)
   Exit: (199) [system] peek_char((0x56051b6b4f40), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_751702, v('(', ')', end_of_file), i)
   Call: (199) [system] ')'==i
   Call: (199) [system] get_char((0x56051b6b4f40), i)
   Exit: (199) [system] get_char((0x56051b6b4f40), i)
   Call: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _756272)
   Call: (200) [system] peek_char((0x56051b6b4f40), _757206)
   Exit: (200) [system] peek_char((0x56051b6b4f40), c)
^  Call: (200) [user] is_delimiter(c)
   Call: (201) [system] char_type(c, space)
   Call: (201) [system] arg(_760998, v('(', ')', end_of_file), c)
   Call: (200) [system] ')'==c
   Call: (200) [system] get_char((0x56051b6b4f40), c)
   Exit: (200) [system] get_char((0x56051b6b4f40), c)
   Call: (200) [system] c=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _765568)
   Call: (201) [system] peek_char((0x56051b6b4f40), _766502)
   Exit: (201) [system] peek_char((0x56051b6b4f40), a)
^  Call: (201) [user] is_delimiter(a)
   Call: (202) [system] char_type(a, space)
   Call: (202) [system] arg(_770294, v('(', ')', end_of_file), a)
   Call: (201) [system] ')'==a
   Call: (201) [system] get_char((0x56051b6b4f40), a)
   Exit: (201) [system] get_char((0x56051b6b4f40), a)
   Call: (201) [system] a=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _774864)
   Call: (202) [system] peek_char((0x56051b6b4f40), _775798)
   Exit: (202) [system] peek_char((0x56051b6b4f40), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_779590, v('(', ')', end_of_file), t)
   Call: (202) [system] ')'==t
   Call: (202) [system] get_char((0x56051b6b4f40), t)
   Exit: (202) [system] get_char((0x56051b6b4f40), t)
   Call: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _784160)
   Call: (203) [system] peek_char((0x56051b6b4f40), _785094)
   Exit: (203) [system] peek_char((0x56051b6b4f40), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_788886, v('(', ')', end_of_file), i)
   Call: (203) [system] ')'==i
   Call: (203) [system] get_char((0x56051b6b4f40), i)
   Exit: (203) [system] get_char((0x56051b6b4f40), i)
   Call: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _793456)
   Call: (204) [system] peek_char((0x56051b6b4f40), _794390)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_798182, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _802752)
   Call: (205) [system] peek_char((0x56051b6b4f40), _803686)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_807478, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _812048)
   Call: (206) [system] peek_char((0x56051b6b4f40), _812982)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_816774, v('(', ')', end_of_file), 'L')
   Call: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (206) [system] get_char((0x56051b6b4f40), 'L')
   Call: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _821344)
   Call: (207) [system] peek_char((0x56051b6b4f40), _822278)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_826070, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _830640)
   Call: (208) [system] peek_char((0x56051b6b4f40), _831574)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_835366, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _839936)
   Call: (209) [system] peek_char((0x56051b6b4f40), _840870)
   Exit: (209) [system] peek_char((0x56051b6b4f40), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_844662, v('(', ')', end_of_file), k)
   Call: (209) [system] ')'==k
   Call: (209) [system] get_char((0x56051b6b4f40), k)
   Exit: (209) [system] get_char((0x56051b6b4f40), k)
   Call: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _849232)
   Call: (210) [system] peek_char((0x56051b6b4f40), _850166)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _849232=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _839936=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (208) [system] _830640=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (207) [system] _821344=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (206) [system] _812048=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (205) [system] _802752=[n, 'L', i, n, k]
   Exit: (205) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'L', i, n, k])
   Call: (204) [system] _793456=[o, n, 'L', i, n, k]
   Exit: (204) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'L', i, n, k])
   Call: (203) [system] _784160=[i, o, n, 'L', i, n, k]
   Exit: (203) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'L', i, n, k])
   Call: (202) [system] _774864=[t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _765568=[a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _756272=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _746976=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _737680=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _728384=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (196) [system] _719088=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (196) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _698544)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_898592, _898594), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _698544), _898568, fail)), '$restore_trace'(_898592, _898594))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_898592, _898594))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _698544), _898568, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_698544)
   Call: (196) [system] atom_chars(_698544, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (196) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'ImplicationLink')
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), 'ImplicationLink')
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _907044)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _908902)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _915712)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _918416)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _927808)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _931522)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _933380)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _941848)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _931522)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _952066)
   Call: (197) [system] peek_char((0x56051b6b4f40), _953000)
   Exit: (197) [system] peek_char((0x56051b6b4f40), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_956792, v('(', ')', end_of_file), p)
   Call: (197) [system] ')'==p
   Call: (197) [system] get_char((0x56051b6b4f40), p)
   Exit: (197) [system] get_char((0x56051b6b4f40), p)
   Call: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _961362)
   Call: (198) [system] peek_char((0x56051b6b4f40), _962296)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _961362=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (197) [system] _952066=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _931522)
   Call: (197) [system] atom_chars(_974374, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _979038)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _980896)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _987706)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _990410)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _999802)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1003516)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1005374)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1013842)
   Exit: (196) [system] get_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _1003516)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1024060)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1024994)
   Exit: (198) [system] peek_char((0x56051b6b4f40), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1028786, v('(', ')', end_of_file), q)
   Call: (198) [system] ')'==q
   Call: (198) [system] get_char((0x56051b6b4f40), q)
   Exit: (198) [system] get_char((0x56051b6b4f40), q)
   Call: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1033356)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1034290)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1038082, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1033356=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1024060=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1003516)
   Call: (198) [system] atom_chars(_1047312, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1051976)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1053834)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1062302)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1066092)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1051976=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _979038=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (194) [system] _907044=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_p, _q])
   Call: (193) [system] _670466=['ImplicationLink', _p, _q]
   Exit: (193) [system] ['ImplicationLink', _p, _q]=['ImplicationLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), ['ImplicationLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), ['ImplicationLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1079974)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1081832)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1088642)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1091346)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1100738)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1104452)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1106310)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1114778)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1104452)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1120348)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (195) [system] 'I'=(;)
^  Call: (195) [user] is_like_space('I')
   Call: (196) [system] char_type('I', 'white')
   Call: (196) [system] char_type('I', end_of_line)
   Call: (196) [system] char_type('I', space)
   Call: (196) [system] char_type('I', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1128816)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (194) [system] 'I'=')'
   Call: (194) [system] 'I'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1132530)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1134388)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (196) [system] 'I'=(;)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1142856)
   Exit: (195) [system] get_char((0x56051b6b4f40), 'I')
   Call: (195) [system] 'I'='('
   Call: (195) [system] 'I'='['
   Call: (195) [system] 'I'='{'
   Call: (195) [system] 'I'='"'
   Call: (195) [system] 'I'=!
   Call: (195) [system] 'I'='\''
   Call: (195) [system] 'I'='`'
   Call: (195) [system] 'I'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1132530)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1153074)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1154008)
   Exit: (197) [system] peek_char((0x56051b6b4f40), m)
^  Call: (197) [user] is_delimiter(m)
   Call: (198) [system] char_type(m, space)
   Call: (198) [system] arg(_1157800, v('(', ')', end_of_file), m)
   Call: (197) [system] ')'==m
   Call: (197) [system] get_char((0x56051b6b4f40), m)
   Exit: (197) [system] get_char((0x56051b6b4f40), m)
   Call: (197) [system] m=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1162370)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1163304)
   Exit: (198) [system] peek_char((0x56051b6b4f40), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1167096, v('(', ')', end_of_file), p)
   Call: (198) [system] ')'==p
   Call: (198) [system] get_char((0x56051b6b4f40), p)
   Exit: (198) [system] get_char((0x56051b6b4f40), p)
   Call: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1171666)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1172600)
   Exit: (199) [system] peek_char((0x56051b6b4f40), l)
^  Call: (199) [user] is_delimiter(l)
   Call: (200) [system] char_type(l, space)
   Call: (200) [system] arg(_1176392, v('(', ')', end_of_file), l)
   Call: (199) [system] ')'==l
   Call: (199) [system] get_char((0x56051b6b4f40), l)
   Exit: (199) [system] get_char((0x56051b6b4f40), l)
   Call: (199) [system] l=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1180962)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1181896)
   Exit: (200) [system] peek_char((0x56051b6b4f40), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1185688, v('(', ')', end_of_file), i)
   Call: (200) [system] ')'==i
   Call: (200) [system] get_char((0x56051b6b4f40), i)
   Exit: (200) [system] get_char((0x56051b6b4f40), i)
   Call: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1190258)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1191192)
   Exit: (201) [system] peek_char((0x56051b6b4f40), c)
^  Call: (201) [user] is_delimiter(c)
   Call: (202) [system] char_type(c, space)
   Call: (202) [system] arg(_1194984, v('(', ')', end_of_file), c)
   Call: (201) [system] ')'==c
   Call: (201) [system] get_char((0x56051b6b4f40), c)
   Exit: (201) [system] get_char((0x56051b6b4f40), c)
   Call: (201) [system] c=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1199554)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1200488)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
^  Call: (202) [user] is_delimiter(a)
   Call: (203) [system] char_type(a, space)
   Call: (203) [system] arg(_1204280, v('(', ')', end_of_file), a)
   Call: (202) [system] ')'==a
   Call: (202) [system] get_char((0x56051b6b4f40), a)
   Exit: (202) [system] get_char((0x56051b6b4f40), a)
   Call: (202) [system] a=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1208850)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1209784)
   Exit: (203) [system] peek_char((0x56051b6b4f40), t)
^  Call: (203) [user] is_delimiter(t)
   Call: (204) [system] char_type(t, space)
   Call: (204) [system] arg(_1213576, v('(', ')', end_of_file), t)
   Call: (203) [system] ')'==t
   Call: (203) [system] get_char((0x56051b6b4f40), t)
   Exit: (203) [system] get_char((0x56051b6b4f40), t)
   Call: (203) [system] t=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1218146)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1219080)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1222872, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1227442)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1228376)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1232168, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1236738)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1237672)
   Exit: (206) [system] peek_char((0x56051b6b4f40), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1241464, v('(', ')', end_of_file), n)
   Call: (206) [system] ')'==n
   Call: (206) [system] get_char((0x56051b6b4f40), n)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1246034)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1246968)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_1250760, v('(', ')', end_of_file), 'L')
   Call: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (207) [system] get_char((0x56051b6b4f40), 'L')
   Call: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1255330)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1256264)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1260056, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1264626)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1265560)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1269352, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1273922)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1274856)
   Exit: (210) [system] peek_char((0x56051b6b4f40), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1278648, v('(', ')', end_of_file), k)
   Call: (210) [system] ')'==k
   Call: (210) [system] get_char((0x56051b6b4f40), k)
   Exit: (210) [system] get_char((0x56051b6b4f40), k)
   Call: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1283218)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1284152)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1283218=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1273922=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (209) [system] _1264626=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (208) [system] _1255330=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (207) [system] _1246034=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (206) [system] _1236738=[n, 'L', i, n, k]
   Exit: (206) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'L', i, n, k])
   Call: (205) [system] _1227442=[o, n, 'L', i, n, k]
   Exit: (205) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'L', i, n, k])
   Call: (204) [system] _1218146=[i, o, n, 'L', i, n, k]
   Exit: (204) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'L', i, n, k])
   Call: (203) [system] _1208850=[t, i, o, n, 'L', i, n, k]
   Exit: (203) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'L', i, n, k])
   Call: (202) [system] _1199554=[a, t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1190258=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1180962=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1171666=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1162370=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (197) [system] _1153074=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (197) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1132530)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1332578, _1332580), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1132530), _1332554, fail)), '$restore_trace'(_1332578, _1332580))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1332578, _1332580))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1132530), _1332554, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1132530)
   Call: (197) [system] atom_chars(_1132530, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (197) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'ImplicationLink')
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), 'ImplicationLink')
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1341030)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1342888)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1349698)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1352402)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1361794)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1365508)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1367366)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1375834)
   Exit: (196) [system] get_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _1365508)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1386052)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1386986)
   Exit: (198) [system] peek_char((0x56051b6b4f40), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1390778, v('(', ')', end_of_file), q)
   Call: (198) [system] ')'==q
   Call: (198) [system] get_char((0x56051b6b4f40), q)
   Exit: (198) [system] get_char((0x56051b6b4f40), q)
   Call: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1395348)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1396282)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1395348=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1386052=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1365508)
   Call: (198) [system] atom_chars(_1408360, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1413024)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1414882)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1421692)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1424396)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1433788)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1437502)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1439360)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1447828)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _1437502)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1458046)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1458980)
   Exit: (199) [system] peek_char((0x56051b6b4f40), r)
^  Call: (199) [user] is_delimiter(r)
   Call: (200) [system] char_type(r, space)
   Call: (200) [system] arg(_1462772, v('(', ')', end_of_file), r)
   Call: (199) [system] ')'==r
   Call: (199) [system] get_char((0x56051b6b4f40), r)
   Exit: (199) [system] get_char((0x56051b6b4f40), r)
   Call: (199) [system] r=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1467342)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1468276)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1472068, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1467342=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _1458046=[r]
   Exit: (199) [system] [r]=[r]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
^  Call: (198) [user] classify_and_convert_charseq($, [r], _1437502)
   Call: (199) [system] atom_chars(_1481298, ['_', r])
   Exit: (199) [system] atom_chars('_r', ['_', r])
^  Exit: (198) [user] classify_and_convert_charseq($, [r], _r)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _r)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _r)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1485962)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1487820)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1496288)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _1500078)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _1485962=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1413024=[_r]
   Exit: (196) [system] [_r]=[_r]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_r])
   Call: (195) [system] _1341030=[_q, _r]
   Exit: (195) [system] [_q, _r]=[_q, _r]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [_q, _r])
   Call: (194) [system] _1104452=['ImplicationLink', _q, _r]
   Exit: (194) [system] ['ImplicationLink', _q, _r]=['ImplicationLink', _q, _r]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), ['ImplicationLink', _q, _r])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), ['ImplicationLink', _q, _r])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1513960)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1515818)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1522628)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1525332)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1534724)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1538438)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1540296)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1548764)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1538438)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1554334)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (196) [system] 'I'=(;)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1562802)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1566516)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1568374)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (197) [system] 'I'=(;)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1576842)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'I')
   Call: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1566516)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1587060)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1587994)
   Exit: (198) [system] peek_char((0x56051b6b4f40), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_1591786, v('(', ')', end_of_file), m)
   Call: (198) [system] ')'==m
   Call: (198) [system] get_char((0x56051b6b4f40), m)
   Exit: (198) [system] get_char((0x56051b6b4f40), m)
   Call: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1596356)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1597290)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1601082, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1605652)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1606586)
   Exit: (200) [system] peek_char((0x56051b6b4f40), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_1610378, v('(', ')', end_of_file), l)
   Call: (200) [system] ')'==l
   Call: (200) [system] get_char((0x56051b6b4f40), l)
   Exit: (200) [system] get_char((0x56051b6b4f40), l)
   Call: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1614948)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1615882)
   Exit: (201) [system] peek_char((0x56051b6b4f40), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_1619674, v('(', ')', end_of_file), i)
   Call: (201) [system] ')'==i
   Call: (201) [system] get_char((0x56051b6b4f40), i)
   Exit: (201) [system] get_char((0x56051b6b4f40), i)
   Call: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1624244)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1625178)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1628970, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1633540)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1634474)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_1638266, v('(', ')', end_of_file), a)
   Call: (203) [system] ')'==a
   Call: (203) [system] get_char((0x56051b6b4f40), a)
   Exit: (203) [system] get_char((0x56051b6b4f40), a)
   Call: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1642836)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1643770)
   Exit: (204) [system] peek_char((0x56051b6b4f40), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_1647562, v('(', ')', end_of_file), t)
   Call: (204) [system] ')'==t
   Call: (204) [system] get_char((0x56051b6b4f40), t)
   Exit: (204) [system] get_char((0x56051b6b4f40), t)
   Call: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1652132)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1653066)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1656858, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1661428)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1662362)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1666154, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1670724)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1671658)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1675450, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1680020)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1680954)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_1684746, v('(', ')', end_of_file), 'L')
   Call: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (208) [system] get_char((0x56051b6b4f40), 'L')
   Call: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1689316)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1690250)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1694042, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1698612)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1699546)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1703338, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1707908)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1708842)
   Exit: (211) [system] peek_char((0x56051b6b4f40), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_1712634, v('(', ')', end_of_file), k)
   Call: (211) [system] ')'==k
   Call: (211) [system] get_char((0x56051b6b4f40), k)
   Exit: (211) [system] get_char((0x56051b6b4f40), k)
   Call: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1717204)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1718138)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1717204=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _1707908=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (210) [system] _1698612=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (209) [system] _1689316=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (208) [system] _1680020=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (207) [system] _1670724=[n, 'L', i, n, k]
   Exit: (207) [system] [n, 'L', i, n, k]=[n, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'L', i, n, k])
   Call: (206) [system] _1661428=[o, n, 'L', i, n, k]
   Exit: (206) [system] [o, n, 'L', i, n, k]=[o, n, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'L', i, n, k])
   Call: (205) [system] _1652132=[i, o, n, 'L', i, n, k]
   Exit: (205) [system] [i, o, n, 'L', i, n, k]=[i, o, n, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'L', i, n, k])
   Call: (204) [system] _1642836=[t, i, o, n, 'L', i, n, k]
   Exit: (204) [system] [t, i, o, n, 'L', i, n, k]=[t, i, o, n, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'L', i, n, k])
   Call: (203) [system] _1633540=[a, t, i, o, n, 'L', i, n, k]
   Exit: (203) [system] [a, t, i, o, n, 'L', i, n, k]=[a, t, i, o, n, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n, 'L', i, n, k])
   Call: (202) [system] _1624244=[c, a, t, i, o, n, 'L', i, n, k]
   Exit: (202) [system] [c, a, t, i, o, n, 'L', i, n, k]=[c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n, 'L', i, n, k])
   Call: (201) [system] _1614948=[i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (201) [system] [i, c, a, t, i, o, n, 'L', i, n, k]=[i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (200) [system] _1605652=[l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (200) [system] [l, i, c, a, t, i, o, n, 'L', i, n, k]=[l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (199) [system] _1596356=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Call: (198) [system] _1587060=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]=[m, p, l, i, c, a, t, i, o, n, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1566516)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1766564, _1766566), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1566516), _1766540, fail)), '$restore_trace'(_1766564, _1766566))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1766564, _1766566))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], _1566516), _1766540, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_1566516)
   Call: (198) [system] atom_chars(_1566516, ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
   Exit: (198) [system] atom_chars('ImplicationLink', ['I', m, p, l, i, c, a, t, i, o, n, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n, 'L', i, n, k], 'ImplicationLink')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'ImplicationLink')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'ImplicationLink')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1775016)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1776874)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1783684)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1786388)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1795780)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1799494)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1801352)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1809820)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _1799494)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1820038)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1820972)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_1824764, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1829334)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1830268)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1829334=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _1820038=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (198) [user] classify_and_convert_charseq($, [p], _1799494)
   Call: (199) [system] atom_chars(_1842346, ['_', p])
   Exit: (199) [system] atom_chars('_p', ['_', p])
^  Exit: (198) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1847010)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1848868)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1855678)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1858382)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1867774)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1871488)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1873346)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1881814)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _1871488)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1892032)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1892966)
   Exit: (200) [system] peek_char((0x56051b6b4f40), r)
^  Call: (200) [user] is_delimiter(r)
   Call: (201) [system] char_type(r, space)
   Call: (201) [system] arg(_1896758, v('(', ')', end_of_file), r)
   Call: (200) [system] ')'==r
   Call: (200) [system] get_char((0x56051b6b4f40), r)
   Exit: (200) [system] get_char((0x56051b6b4f40), r)
   Call: (200) [system] r=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1901328)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1902262)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1906054, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1901328=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1892032=[r]
   Exit: (200) [system] [r]=[r]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r])
^  Call: (199) [user] classify_and_convert_charseq($, [r], _1871488)
   Call: (200) [system] atom_chars(_1915284, ['_', r])
   Exit: (200) [system] atom_chars('_r', ['_', r])
^  Exit: (199) [user] classify_and_convert_charseq($, [r], _r)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _r)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _r)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1919948)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1921806)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1930274)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _1934064)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _1919948=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _1847010=[_r]
   Exit: (197) [system] [_r]=[_r]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_r])
   Call: (196) [system] _1775016=[_p, _r]
   Exit: (196) [system] [_p, _r]=[_p, _r]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_p, _r])
   Call: (195) [system] _1538438=['ImplicationLink', _p, _r]
   Exit: (195) [system] ['ImplicationLink', _p, _r]=['ImplicationLink', _p, _r]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['ImplicationLink', _p, _r])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), ['ImplicationLink', _p, _r])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1947946)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1949804)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1958272)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _1962062)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _1947946=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1513960=[['ImplicationLink', _p, _r]]
   Exit: (193) [system] [['ImplicationLink', _p, _r]]=[['ImplicationLink', _p, _r]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [['ImplicationLink', _p, _r]])
   Call: (192) [system] _1079974=[['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (192) [system] [['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
   Call: (191) [system] _645988=[['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (191) [system] [['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
   Call: (190) [system] _567532=[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
   Exit: (190) [system] [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]=[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1978738)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1980596)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1989064)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1992854)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1978738=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _543054=[[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (188) [system] [[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=[[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [[->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
   Call: (187) [system] _382616=['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (187) [system] ['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), ['Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
   Call: (186) [system] _316250=[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
   Exit: (186) [system] [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]=[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _2006736)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2008594)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _2017062)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _2020852)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _2006736=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _291772=[[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (184) [system] [[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
   Call: (183) [system] _165484=[[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (183) [system] [[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
   Call: (182) [system] _66566=[=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
   Exit: (182) [system] [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]=[=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]])
^  Call: (179) [user] assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))
^  Exit: (179) [user] assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 110, 0, 4336, '$stream_position'(4336, 110, 0, 4336)), read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]]), assertz(metta_file_comment(110, 0, 4336, [=, [rb], [:, 'Deduction', [->, ['ImplicationLink', _p, _q], ['ImplicationLink', _q, _r], ['ImplicationLink', _p, _r]]]], '$stream_position'(4336, 110, 0, 4336)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_2039370, _2039372, _2039374, _2039376, _2039378))
^  Exit: (177) [user] retract(metta_file_comment(53, 0, 1693, '$COMMENT'(";; Unary rule", 53, 0), '$stream_position'(1693, 53, 0, 1693)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _2042204))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), _2042204)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Unary rule", 53, 0), _2042204)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _2045020))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _2045020))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _2045020)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _2047820))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), _2047820)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Unary rule", 53, 0), _2047820)
   Call: (187) [system] var('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] atom('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==true
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==false
   Call: (187) [system] '$COMMENT'(";; Unary rule", 53, 0)==[_2054340, _2054346]
   Call: (187) [system] is_list('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] string('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] compound('$COMMENT'(";; Unary rule", 53, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Unary rule", 53, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), _2058974, _2058976)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT', [";; Unary rule", 53, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Unary rule", 53, 0], _2062716)
   Call: (188) [apply] apply:maplist_([";; Unary rule", 53, 0], _2062716, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Unary rule", _2064596)
   Call: (190) [system] var(";; Unary rule")
   Call: (190) [system] atom(";; Unary rule")
   Call: (190) [system] ";; Unary rule"==true
   Call: (190) [system] ";; Unary rule"==false
   Call: (190) [system] ";; Unary rule"==[_2069238, _2069244]
   Call: (190) [system] is_list(";; Unary rule")
   Call: (190) [system] string(";; Unary rule")
   Exit: (190) [system] string(";; Unary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Unary rule")
^  Call: (190) [user] symbol(";; Unary rule")
   Call: (191) [system] atom(";; Unary rule")
   Fail: (191) [system] atom(";; Unary rule")
^  Fail: (190) [user] symbol(";; Unary rule")
   Call: (190) [system] ";; Unary rule"=_2064596
   Exit: (190) [system] ";; Unary rule"=";; Unary rule"
^  Exit: (189) [user] mfix_vars1(";; Unary rule", ";; Unary rule")
   Call: (189) [apply] apply:maplist_([53, 0], _2064598, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(53, _2083118)
   Call: (191) [system] var(53)
   Call: (191) [system] atom(53)
   Call: (191) [system] 53==true
   Call: (191) [system] 53==false
   Call: (191) [system] 53==[_2087760, _2087766]
   Call: (191) [system] is_list(53)
   Call: (191) [system] string(53)
   Call: (191) [system] compound(53)
^  Call: (191) [user] symbol(53)
   Call: (192) [system] atom(53)
   Fail: (192) [system] atom(53)
^  Fail: (191) [user] symbol(53)
   Call: (191) [system] 53=_2083118
   Exit: (191) [system] 53=53
^  Exit: (190) [user] mfix_vars1(53, 53)
   Call: (190) [apply] apply:maplist_([0], _3414, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _5252)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_9894, _9900]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_5252
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _5254, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([53, 0], [53, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Unary rule", 53, 0], [";; Unary rule", 53, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Unary rule", 53, 0], [";; Unary rule", 53, 0])
   Call: (187) [system] compound_name_arguments(_3360, '$COMMENT', [";; Unary rule", 53, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT', [";; Unary rule", 53, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _34070))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _34070))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _34070)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _36870))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), _36870)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Unary rule", 53, 0), _36870)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _3326))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _3326))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _3326)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _50828))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), _50828)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Unary rule", 53, 0), _50828)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (184) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (178) [system] '$COMMENT'(";; Unary rule", 53, 0)\=@='$COMMENT'(";; Unary rule", 53, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Unary rule", 53, 0), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Unary rule", 53, 0)))
   Call: (169) [system] '$COMMENT'(";; Unary rule", 53, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Unary rule", 53, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Unary rule", 53, 0), nthesize_long_1726792630_1772065, 109)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792638.4619093)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792638.4619093-1726792634.4645028
   Exit: (173) [system] 3.997406482696533 is 1726792638.4619093-1726792634.4645028
   Call: (173) [system] 3.997406482696533>4
   Fail: (173) [system] 3.997406482696533>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 18)
   Call: (175) [system] atom(18+1)
   Call: (175) [system] set_flag(translated_forms, 19)
   Exit: (175) [system] set_flag(translated_forms, 19)
   Exit: (174) [$syspreds] update_flag(translated_forms, 18, 18+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 18, 18+1))
   Exit: (171) [$syspreds] flag(translated_forms, 18, 18+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Unary rule", 53, 0), nthesize_long_1726792630_1772065, 109)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Unary rule"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Unary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Unary rule", 53, 0), nthesize_long_1726792630_1772065, 109)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Unary rule", 53, 0)), 109]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 18, 18+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Unary rule", 53, 0), nthesize_long_1726792630_1772065, 109)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 110)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 110))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 110))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _125612)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _133034)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _141372)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _144158=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _146026, _146028, _146030, _146032), read_sexpr((0x56051b6b4f40), _146044), assertz(metta_file_comment(_146026, _146028, _146030, _146044, _146032))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _146026, _146028, _146030, _146032)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_146032))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_146032))
   Exit: (181) [system] nonvar(position(_146032))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4436, 111, 0, 4436)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4436, 111, 0, 4436), _146026)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _156284)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4436, 111, 0, 4436), _146026)
   Exit: (181) [system] arg(2, '$stream_position'(4436, 111, 0, 4436), 111)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4436, 111, 0, 4436), 111)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4436, 111, 0, 4436), _146028)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _163718)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4436, 111, 0, 4436), _146028)
   Exit: (181) [system] arg(3, '$stream_position'(4436, 111, 0, 4436), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4436, 111, 0, 4436), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4436, 111, 0, 4436), _146030)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _171152)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4436, 111, 0, 4436), _146030)
   Exit: (181) [system] arg(1, '$stream_position'(4436, 111, 0, 4436), 4436)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4436, 111, 0, 4436), 4436)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 111, 0, 4436, '$stream_position'(4436, 111, 0, 4436))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _146044)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _146044)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _180454)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _188922)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _146044)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _194492)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _202960)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _206674)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _208532)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _217000)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _206674)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _227218)
   Call: (185) [system] peek_char((0x56051b6b4f40), _228152)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _227218=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _206674)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_237462, _237464), once(user:catch(read_from_chars([=], _206674), _237438, fail)), '$restore_trace'(_237462, _237464))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_237462, _237464))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _237438, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _244962)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _246820)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _253630)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _256334)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _265726)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _269440)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _271298)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _279766)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _269440)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _285336)
   Exit: (186) [system] peek_char((0x56051b6b4f40), r)
   Call: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _293804)
   Exit: (185) [system] peek_char((0x56051b6b4f40), r)
   Call: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _297518)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _299376)
   Exit: (187) [system] peek_char((0x56051b6b4f40), r)
   Call: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _307844)
   Exit: (186) [system] get_char((0x56051b6b4f40), r)
   Call: (186) [system] r='('
   Call: (186) [system] r='['
   Call: (186) [system] r='{'
   Call: (186) [system] r='"'
   Call: (186) [system] r=!
   Call: (186) [system] r='\''
   Call: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, _297518)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _318062)
   Call: (188) [system] peek_char((0x56051b6b4f40), _318996)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_322788, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _327358)
   Call: (189) [system] peek_char((0x56051b6b4f40), _328292)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_332084, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _327358=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _318062=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _297518)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_341340, _341342), once(user:catch(read_from_chars([r, b], _297518), _341316, fail)), '$restore_trace'(_341340, _341342))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_341340, _341342))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _341316, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _348840)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _350698)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _359166)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _362956)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _348840=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _269440=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [rb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _371250)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _373108)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _379918)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _382622)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _392014)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _395728)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _397586)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _406054)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _395728)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _411624)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _420092)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _423806)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _425664)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _434132)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _423806)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _444350)
   Call: (189) [system] peek_char((0x56051b6b4f40), _445284)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _444350=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _423806)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_454594, _454596), once(user:catch(read_from_chars([:], _423806), _454570, fail)), '$restore_trace'(_454594, _454596))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_454594, _454596))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _454570, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _462094)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _463952)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _470762)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _473466)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _482858)
   Exit: (187) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _486572)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _488430)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _496898)
   Exit: (188) [system] get_char((0x56051b6b4f40), 'D')
   Call: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _486572)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _507116)
   Call: (190) [system] peek_char((0x56051b6b4f40), _508050)
   Exit: (190) [system] peek_char((0x56051b6b4f40), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_511842, v('(', ')', end_of_file), i)
   Call: (190) [system] ')'==i
   Call: (190) [system] get_char((0x56051b6b4f40), i)
   Exit: (190) [system] get_char((0x56051b6b4f40), i)
   Call: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _516412)
   Call: (191) [system] peek_char((0x56051b6b4f40), _517346)
   Exit: (191) [system] peek_char((0x56051b6b4f40), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_521138, v('(', ')', end_of_file), s)
   Call: (191) [system] ')'==s
   Call: (191) [system] get_char((0x56051b6b4f40), s)
   Exit: (191) [system] get_char((0x56051b6b4f40), s)
   Call: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _525708)
   Call: (192) [system] peek_char((0x56051b6b4f40), _526642)
   Exit: (192) [system] peek_char((0x56051b6b4f40), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_530434, v('(', ')', end_of_file), j)
   Call: (192) [system] ')'==j
   Call: (192) [system] get_char((0x56051b6b4f40), j)
   Exit: (192) [system] get_char((0x56051b6b4f40), j)
   Call: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _535004)
   Call: (193) [system] peek_char((0x56051b6b4f40), _535938)
   Exit: (193) [system] peek_char((0x56051b6b4f40), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_539730, v('(', ')', end_of_file), u)
   Call: (193) [system] ')'==u
   Call: (193) [system] get_char((0x56051b6b4f40), u)
   Exit: (193) [system] get_char((0x56051b6b4f40), u)
   Call: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _544300)
   Call: (194) [system] peek_char((0x56051b6b4f40), _545234)
   Exit: (194) [system] peek_char((0x56051b6b4f40), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_549026, v('(', ')', end_of_file), n)
   Call: (194) [system] ')'==n
   Call: (194) [system] get_char((0x56051b6b4f40), n)
   Exit: (194) [system] get_char((0x56051b6b4f40), n)
   Call: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _553596)
   Call: (195) [system] peek_char((0x56051b6b4f40), _554530)
   Exit: (195) [system] peek_char((0x56051b6b4f40), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_558322, v('(', ')', end_of_file), c)
   Call: (195) [system] ')'==c
   Call: (195) [system] get_char((0x56051b6b4f40), c)
   Exit: (195) [system] get_char((0x56051b6b4f40), c)
   Call: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _562892)
   Call: (196) [system] peek_char((0x56051b6b4f40), _563826)
   Exit: (196) [system] peek_char((0x56051b6b4f40), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_567618, v('(', ')', end_of_file), t)
   Call: (196) [system] ')'==t
   Call: (196) [system] get_char((0x56051b6b4f40), t)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _572188)
   Call: (197) [system] peek_char((0x56051b6b4f40), _573122)
   Exit: (197) [system] peek_char((0x56051b6b4f40), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_576914, v('(', ')', end_of_file), i)
   Call: (197) [system] ')'==i
   Call: (197) [system] get_char((0x56051b6b4f40), i)
   Exit: (197) [system] get_char((0x56051b6b4f40), i)
   Call: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _581484)
   Call: (198) [system] peek_char((0x56051b6b4f40), _582418)
   Exit: (198) [system] peek_char((0x56051b6b4f40), v)
^  Call: (198) [user] is_delimiter(v)
   Call: (199) [system] char_type(v, space)
   Call: (199) [system] arg(_586210, v('(', ')', end_of_file), v)
   Call: (198) [system] ')'==v
   Call: (198) [system] get_char((0x56051b6b4f40), v)
   Exit: (198) [system] get_char((0x56051b6b4f40), v)
   Call: (198) [system] v=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _590780)
   Call: (199) [system] peek_char((0x56051b6b4f40), _591714)
   Exit: (199) [system] peek_char((0x56051b6b4f40), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_595506, v('(', ')', end_of_file), e)
   Call: (199) [system] ')'==e
   Call: (199) [system] get_char((0x56051b6b4f40), e)
   Exit: (199) [system] get_char((0x56051b6b4f40), e)
   Call: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _600076)
   Call: (200) [system] peek_char((0x56051b6b4f40), _601010)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'S')
^  Call: (200) [user] is_delimiter('S')
   Call: (201) [system] char_type('S', space)
   Call: (201) [system] arg(_604802, v('(', ')', end_of_file), 'S')
   Call: (200) [system] ')'=='S'
   Call: (200) [system] get_char((0x56051b6b4f40), 'S')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'S')
   Call: (200) [system] 'S'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _609372)
   Call: (201) [system] peek_char((0x56051b6b4f40), _610306)
   Exit: (201) [system] peek_char((0x56051b6b4f40), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_614098, v('(', ')', end_of_file), y)
   Call: (201) [system] ')'==y
   Call: (201) [system] get_char((0x56051b6b4f40), y)
   Exit: (201) [system] get_char((0x56051b6b4f40), y)
   Call: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _618668)
   Call: (202) [system] peek_char((0x56051b6b4f40), _619602)
   Exit: (202) [system] peek_char((0x56051b6b4f40), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_623394, v('(', ')', end_of_file), l)
   Call: (202) [system] ')'==l
   Call: (202) [system] get_char((0x56051b6b4f40), l)
   Exit: (202) [system] get_char((0x56051b6b4f40), l)
   Call: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _627964)
   Call: (203) [system] peek_char((0x56051b6b4f40), _628898)
   Exit: (203) [system] peek_char((0x56051b6b4f40), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_632690, v('(', ')', end_of_file), l)
   Call: (203) [system] ')'==l
   Call: (203) [system] get_char((0x56051b6b4f40), l)
   Exit: (203) [system] get_char((0x56051b6b4f40), l)
   Call: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _637260)
   Call: (204) [system] peek_char((0x56051b6b4f40), _638194)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_641986, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _646556)
   Call: (205) [system] peek_char((0x56051b6b4f40), _647490)
   Exit: (205) [system] peek_char((0x56051b6b4f40), g)
^  Call: (205) [user] is_delimiter(g)
   Call: (206) [system] char_type(g, space)
   Call: (206) [system] arg(_651282, v('(', ')', end_of_file), g)
   Call: (205) [system] ')'==g
   Call: (205) [system] get_char((0x56051b6b4f40), g)
   Exit: (205) [system] get_char((0x56051b6b4f40), g)
   Call: (205) [system] g=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _655852)
   Call: (206) [system] peek_char((0x56051b6b4f40), _656786)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_660578, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _665148)
   Call: (207) [system] peek_char((0x56051b6b4f40), _666082)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_669874, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _674444)
   Call: (208) [system] peek_char((0x56051b6b4f40), _675378)
   Exit: (208) [system] peek_char((0x56051b6b4f40), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_679170, v('(', ')', end_of_file), m)
   Call: (208) [system] ')'==m
   Call: (208) [system] get_char((0x56051b6b4f40), m)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _683740)
   Call: (209) [system] peek_char((0x56051b6b4f40), _684674)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _683740=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _674444=[m]
   Exit: (208) [system] [m]=[m]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m])
   Call: (207) [system] _665148=[s, m]
   Exit: (207) [system] [s, m]=[s, m]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, m])
   Call: (206) [system] _655852=[i, s, m]
   Exit: (206) [system] [i, s, m]=[i, s, m]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, m])
   Call: (205) [system] _646556=[g, i, s, m]
   Exit: (205) [system] [g, i, s, m]=[g, i, s, m]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [g, i, s, m])
   Call: (204) [system] _637260=[o, g, i, s, m]
   Exit: (204) [system] [o, g, i, s, m]=[o, g, i, s, m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, g, i, s, m])
   Call: (203) [system] _627964=[l, o, g, i, s, m]
   Exit: (203) [system] [l, o, g, i, s, m]=[l, o, g, i, s, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, o, g, i, s, m])
   Call: (202) [system] _618668=[l, l, o, g, i, s, m]
   Exit: (202) [system] [l, l, o, g, i, s, m]=[l, l, o, g, i, s, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, l, o, g, i, s, m])
   Call: (201) [system] _609372=[y, l, l, o, g, i, s, m]
   Exit: (201) [system] [y, l, l, o, g, i, s, m]=[y, l, l, o, g, i, s, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, l, l, o, g, i, s, m])
   Call: (200) [system] _600076=['S', y, l, l, o, g, i, s, m]
   Exit: (200) [system] ['S', y, l, l, o, g, i, s, m]=['S', y, l, l, o, g, i, s, m]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['S', y, l, l, o, g, i, s, m])
   Call: (199) [system] _590780=[e, 'S', y, l, l, o, g, i, s, m]
   Exit: (199) [system] [e, 'S', y, l, l, o, g, i, s, m]=[e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, 'S', y, l, l, o, g, i, s, m])
   Call: (198) [system] _581484=[v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (198) [system] [v, e, 'S', y, l, l, o, g, i, s, m]=[v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (197) [system] _572188=[i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (197) [system] [i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (196) [system] _562892=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (196) [system] [t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (195) [system] _553596=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (195) [system] [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (194) [system] _544300=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (194) [system] [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (193) [system] _535004=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (193) [system] [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (192) [system] _525708=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (192) [system] [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (191) [system] _516412=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (191) [system] [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (190) [system] _507116=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Call: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _486572)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_747070, _747072), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _486572), _747046, fail)), '$restore_trace'(_747070, _747072))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_747070, _747072))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _486572), _747046, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_486572)
   Call: (190) [system] atom_chars(_486572, ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Exit: (190) [system] atom_chars('DisjunctiveSyllogism', ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Exit: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctiveSyllogism')
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctiveSyllogism')
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _755522)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _757380)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _764190)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _766894)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _776286)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _780000)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _781858)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _790326)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _780000)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _795896)
   Exit: (191) [system] peek_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _804364)
   Exit: (190) [system] peek_char((0x56051b6b4f40), -)
   Call: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _808078)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _809936)
   Exit: (192) [system] peek_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _818404)
   Exit: (191) [system] get_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, _808078)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _828622)
   Call: (193) [system] peek_char((0x56051b6b4f40), _829556)
   Exit: (193) [system] peek_char((0x56051b6b4f40), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_833348, v('(', ')', end_of_file), >)
   Call: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x56051b6b4f40), >)
   Exit: (193) [system] get_char((0x56051b6b4f40), >)
   Call: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _837918)
   Call: (194) [system] peek_char((0x56051b6b4f40), _838852)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _837918=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _828622=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _808078)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_850956, _850958), once(user:catch(read_from_chars([-, >], _808078), _850932, fail)), '$restore_trace'(_850956, _850958))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_850956, _850958))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _850932, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _858456)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _860314)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _867124)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _869828)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _879220)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _882934)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _884792)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _893260)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _882934)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _898830)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (194) [system] 'O'=(;)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _907298)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _911012)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _912870)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (195) [system] 'O'=(;)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _921338)
   Exit: (194) [system] get_char((0x56051b6b4f40), 'O')
   Call: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _911012)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _931556)
   Call: (196) [system] peek_char((0x56051b6b4f40), _932490)
   Exit: (196) [system] peek_char((0x56051b6b4f40), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_936282, v('(', ')', end_of_file), r)
   Call: (196) [system] ')'==r
   Call: (196) [system] get_char((0x56051b6b4f40), r)
   Exit: (196) [system] get_char((0x56051b6b4f40), r)
   Call: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _940852)
   Call: (197) [system] peek_char((0x56051b6b4f40), _941786)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_945578, v('(', ')', end_of_file), 'L')
   Call: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (197) [system] get_char((0x56051b6b4f40), 'L')
   Call: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _950148)
   Call: (198) [system] peek_char((0x56051b6b4f40), _951082)
   Exit: (198) [system] peek_char((0x56051b6b4f40), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_954874, v('(', ')', end_of_file), i)
   Call: (198) [system] ')'==i
   Call: (198) [system] get_char((0x56051b6b4f40), i)
   Exit: (198) [system] get_char((0x56051b6b4f40), i)
   Call: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _959444)
   Call: (199) [system] peek_char((0x56051b6b4f40), _960378)
   Exit: (199) [system] peek_char((0x56051b6b4f40), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_964170, v('(', ')', end_of_file), n)
   Call: (199) [system] ')'==n
   Call: (199) [system] get_char((0x56051b6b4f40), n)
   Exit: (199) [system] get_char((0x56051b6b4f40), n)
   Call: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _968740)
   Call: (200) [system] peek_char((0x56051b6b4f40), _969674)
   Exit: (200) [system] peek_char((0x56051b6b4f40), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_973466, v('(', ')', end_of_file), k)
   Call: (200) [system] ')'==k
   Call: (200) [system] get_char((0x56051b6b4f40), k)
   Exit: (200) [system] get_char((0x56051b6b4f40), k)
   Call: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _978036)
   Call: (201) [system] peek_char((0x56051b6b4f40), _978970)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _978036=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _968740=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (199) [system] _959444=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (198) [system] _950148=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (197) [system] _940852=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (196) [system] _931556=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _911012)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1002250, _1002252), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _911012), _1002226, fail)), '$restore_trace'(_1002250, _1002252))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1002250, _1002252))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _911012), _1002226, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_911012)
   Call: (196) [system] atom_chars(_911012, ['O', r, 'L', i, n, k])
   Exit: (196) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1010702)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1012560)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1019370)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1022074)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1031466)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1035180)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1037038)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1045506)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _1035180)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1055724)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1056658)
   Exit: (197) [system] peek_char((0x56051b6b4f40), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1060450, v('(', ')', end_of_file), p)
   Call: (197) [system] ')'==p
   Call: (197) [system] get_char((0x56051b6b4f40), p)
   Exit: (197) [system] get_char((0x56051b6b4f40), p)
   Call: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1065020)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1065954)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1065020=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (197) [system] _1055724=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _1035180)
   Call: (197) [system] atom_chars(_1078032, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1082696)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1084554)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1091364)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1094068)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1103460)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1107174)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1109032)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1117500)
   Exit: (196) [system] get_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _1107174)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1127718)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1128652)
   Exit: (198) [system] peek_char((0x56051b6b4f40), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1132444, v('(', ')', end_of_file), q)
   Call: (198) [system] ')'==q
   Call: (198) [system] get_char((0x56051b6b4f40), q)
   Exit: (198) [system] get_char((0x56051b6b4f40), q)
   Call: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1137014)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1137948)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1141740, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1137014=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1127718=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1107174)
   Call: (198) [system] atom_chars(_1150970, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1155634)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1157492)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1165960)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1169750)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1155634=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1082696=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (194) [system] _1010702=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_p, _q])
   Call: (193) [system] _882934=['OrLink', _p, _q]
   Exit: (193) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), ['OrLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1183632)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1185490)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1192300)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1195004)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1204396)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1208110)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1209968)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1218436)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1208110)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1224006)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (195) [system] 'N'=(;)
^  Call: (195) [user] is_like_space('N')
   Call: (196) [system] char_type('N', 'white')
   Call: (196) [system] char_type('N', end_of_line)
   Call: (196) [system] char_type('N', space)
   Call: (196) [system] char_type('N', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1232474)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (194) [system] 'N'=')'
   Call: (194) [system] 'N'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1236188)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1238046)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (196) [system] 'N'=(;)
^  Call: (196) [user] is_like_space('N')
   Call: (197) [system] char_type('N', 'white')
   Call: (197) [system] char_type('N', end_of_line)
   Call: (197) [system] char_type('N', space)
   Call: (197) [system] char_type('N', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1246514)
   Exit: (195) [system] get_char((0x56051b6b4f40), 'N')
   Call: (195) [system] 'N'='('
   Call: (195) [system] 'N'='['
   Call: (195) [system] 'N'='{'
   Call: (195) [system] 'N'='"'
   Call: (195) [system] 'N'=!
   Call: (195) [system] 'N'='\''
   Call: (195) [system] 'N'='`'
   Call: (195) [system] 'N'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'N', _1236188)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1256732)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1257666)
   Exit: (197) [system] peek_char((0x56051b6b4f40), o)
^  Call: (197) [user] is_delimiter(o)
   Call: (198) [system] char_type(o, space)
   Call: (198) [system] arg(_1261458, v('(', ')', end_of_file), o)
   Call: (197) [system] ')'==o
   Call: (197) [system] get_char((0x56051b6b4f40), o)
   Exit: (197) [system] get_char((0x56051b6b4f40), o)
   Call: (197) [system] o=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1266028)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1266962)
   Exit: (198) [system] peek_char((0x56051b6b4f40), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_1270754, v('(', ')', end_of_file), t)
   Call: (198) [system] ')'==t
   Call: (198) [system] get_char((0x56051b6b4f40), t)
   Exit: (198) [system] get_char((0x56051b6b4f40), t)
   Call: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1275324)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1276258)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_1280050, v('(', ')', end_of_file), 'L')
   Call: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (199) [system] get_char((0x56051b6b4f40), 'L')
   Call: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1284620)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1285554)
   Exit: (200) [system] peek_char((0x56051b6b4f40), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1289346, v('(', ')', end_of_file), i)
   Call: (200) [system] ')'==i
   Call: (200) [system] get_char((0x56051b6b4f40), i)
   Exit: (200) [system] get_char((0x56051b6b4f40), i)
   Call: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1293916)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1294850)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1298642, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1303212)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1304146)
   Exit: (202) [system] peek_char((0x56051b6b4f40), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1307938, v('(', ')', end_of_file), k)
   Call: (202) [system] ')'==k
   Call: (202) [system] get_char((0x56051b6b4f40), k)
   Exit: (202) [system] get_char((0x56051b6b4f40), k)
   Call: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1312508)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1313442)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1312508=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _1303212=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (201) [system] _1293916=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (200) [system] _1284620=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (199) [system] _1275324=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (198) [system] _1266028=[t, 'L', i, n, k]
   Exit: (198) [system] [t, 'L', i, n, k]=[t, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, 'L', i, n, k])
   Call: (197) [system] _1256732=[o, t, 'L', i, n, k]
   Exit: (197) [system] [o, t, 'L', i, n, k]=[o, t, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, t, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq('N', [o, t, 'L', i, n, k], _1236188)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1339516, _1339518), once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1236188), _1339492, fail)), '$restore_trace'(_1339516, _1339518))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1339516, _1339518))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1236188), _1339492, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1236188)
   Call: (197) [system] atom_chars(_1236188, ['N', o, t, 'L', i, n, k])
   Exit: (197) [system] atom_chars('NotLink', ['N', o, t, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq('N', [o, t, 'L', i, n, k], 'NotLink')
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'N', 'NotLink')
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), 'NotLink')
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1347968)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1349826)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1356636)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1359340)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1368732)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1372446)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1374304)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1382772)
   Exit: (196) [system] get_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _1372446)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1392990)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1393924)
   Exit: (198) [system] peek_char((0x56051b6b4f40), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_1397716, v('(', ')', end_of_file), p)
   Call: (198) [system] ')'==p
   Call: (198) [system] get_char((0x56051b6b4f40), p)
   Exit: (198) [system] get_char((0x56051b6b4f40), p)
   Call: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1402286)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1403220)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1407012, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1402286=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1392990=[p]
   Exit: (198) [system] [p]=[p]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (197) [user] classify_and_convert_charseq($, [p], _1372446)
   Call: (198) [system] atom_chars(_1416242, ['_', p])
   Exit: (198) [system] atom_chars('_p', ['_', p])
^  Exit: (197) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1420906)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1422764)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1431232)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1435022)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1420906=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1347968=[_p]
   Exit: (195) [system] [_p]=[_p]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [_p])
   Call: (194) [system] _1208110=['NotLink', _p]
   Exit: (194) [system] ['NotLink', _p]=['NotLink', _p]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), ['NotLink', _p])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), ['NotLink', _p])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1446110)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1447968)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1454778)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1457482)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1466874)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1470588)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1472446)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1480914)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _1470588)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1491132)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1492066)
   Exit: (196) [system] peek_char((0x56051b6b4f40), q)
^  Call: (196) [user] is_delimiter(q)
   Call: (197) [system] char_type(q, space)
   Call: (197) [system] arg(_1495858, v('(', ')', end_of_file), q)
   Call: (196) [system] ')'==q
   Call: (196) [system] get_char((0x56051b6b4f40), q)
   Exit: (196) [system] get_char((0x56051b6b4f40), q)
   Call: (196) [system] q=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1500428)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1501362)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1505154, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1500428=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1491132=[q]
   Exit: (196) [system] [q]=[q]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (195) [user] classify_and_convert_charseq($, [q], _1470588)
   Call: (196) [system] atom_chars(_1514384, ['_', q])
   Exit: (196) [system] atom_chars('_q', ['_', q])
^  Exit: (195) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1519048)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1520906)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1529374)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _1533164)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _1519048=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1446110=[_q]
   Exit: (193) [system] [_q]=[_q]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (192) [system] _1183632=[['NotLink', _p], _q]
   Exit: (192) [system] [['NotLink', _p], _q]=[['NotLink', _p], _q]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [['NotLink', _p], _q])
   Call: (191) [system] _858456=[['OrLink', _p, _q], ['NotLink', _p], _q]
   Exit: (191) [system] [['OrLink', _p, _q], ['NotLink', _p], _q]=[['OrLink', _p, _q], ['NotLink', _p], _q]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [['OrLink', _p, _q], ['NotLink', _p], _q])
   Call: (190) [system] _780000=[->, ['OrLink', _p, _q], ['NotLink', _p], _q]
   Exit: (190) [system] [->, ['OrLink', _p, _q], ['NotLink', _p], _q]=[->, ['OrLink', _p, _q], ['NotLink', _p], _q]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [->, ['OrLink', _p, _q], ['NotLink', _p], _q])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), [->, ['OrLink', _p, _q], ['NotLink', _p], _q])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1549840)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1551698)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1560166)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1563956)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1549840=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _755522=[[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (188) [system] [[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=[[->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [[->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
   Call: (187) [system] _462094=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (187) [system] ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
   Call: (186) [system] _395728=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
   Exit: (186) [system] [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1577838)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1579696)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1588164)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1591954)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1577838=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _371250=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (184) [system] [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
   Call: (183) [system] _244962=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
   Call: (182) [system] _146044=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]])
^  Call: (179) [user] assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))
^  Exit: (179) [user] assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 111, 0, 4436, '$stream_position'(4436, 111, 0, 4436)), read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]]), assertz(metta_file_comment(111, 0, 4436, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _p], _q]]], '$stream_position'(4436, 111, 0, 4436)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1610472, _1610474, _1610476, _1610478, _1610480))
^  Exit: (177) [user] retract(metta_file_comment(53, 0, 1693, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], '$stream_position'(1693, 53, 0, 1693)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1613640))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1613640)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1613640)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1616456))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1616456))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1616456)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1619256))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1619256)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1619256)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1629478)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _1629478)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1629478)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==[_1635994, _1636000]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1619256)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1619256, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1641574)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1645282, =)
   Call: (191) [system] atom_concat($, _1645282, =)
   Fail: (191) [system] atom_concat($, _1645282, =)
^  Fail: (190) [user] symbol_concat($, _1645282, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1650870, _1650876]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1641576, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _1660138)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _1668482)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _1668482)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _1668482)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _1668482)
   Call: (195) [lists] lists:last_([], ['S', _k], _1668482)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_1678726, _1678732]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _1660138)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1660138, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _1684306)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _1688014, synthesize)
   Call: (195) [system] atom_concat($, _1688014, synthesize)
   Fail: (195) [system] atom_concat($, _1688014, synthesize)
^  Fail: (194) [user] symbol_concat($, _1688014, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_1693602, _1693608]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1684308, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1702870)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_1707512, _1707518]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _1712146, _1712148)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1717740))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1717740))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1717740)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1720540))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1720540)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1720540)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1613640))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1613640))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1613640)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1734498))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1734498)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1734498)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 110)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792634.4645028), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792634.4645028), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792638.6715405)
   Call: (173) [system] arg(1, t(1726792634.4645028), _3148)
   Exit: (173) [system] arg(1, t(1726792634.4645028), 1726792634.4645028)
   Call: (173) [system] _3158 is 1726792638.6715405-1726792634.4645028
   Exit: (173) [system] 4.207037687301636 is 1726792638.6715405-1726792634.4645028
   Call: (173) [system] 4.207037687301636>4
   Exit: (173) [system] 4.207037687301636>4
   Call: (173) [system] nb_setarg(1, t(1726792634.4645028), 1726792638.6715405)
   Exit: (173) [system] nb_setarg(1, t(1726792638.6715405), 1726792638.6715405)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110])
; 
^  Call: (175) [user] write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (177) [system] setup_call_cleanup('$notrace'(_1780502, _1780504), once(user:with_indents(false, write_src([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))), '$restore_trace'(_1780502, _1780504))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_1780502, _1780504))
(= (synthesize $query $kb $rb (S $k)) (let* (((: $ructor (-> $premise $conclusion)) ($rb)) ((: ($ructor $proof) $conclusion) $query) ((: $proof $premise) (synthesize (: $proof $premise) $kb $rb $k))) $query))
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
 ; line: 110 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1726792638.6715405), arg(1, t(1726792638.6715405), 1726792634.4645028), 4.207037687301636 is 1726792638.6715405-1726792634.4645028, 4.207037687301636>4), (nb_setarg(1, t(1726792638.6715405), 1726792638.6715405), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 19)
   Call: (175) [system] atom(19+1)
   Call: (175) [system] set_flag(translated_forms, 20)
   Exit: (175) [system] set_flag(translated_forms, 20)
   Exit: (174) [$syspreds] update_flag(translated_forms, 19, 19+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 19, 19+1))
   Exit: (171) [$syspreds] flag(translated_forms, 19, 19+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 110)
^  Call: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, _1804746, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1804748)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1804748)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _1809398)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_1809398
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1809400)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _1816816)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _1824228)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1824228, user:s2t)
^  Call: (178) [user] s2t(synthesize, _1826108)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_1826108
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1826110, user:s2t)
^  Call: (179) [user] s2t(_query, _1831682)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _1831682)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _1831684, user:s2t)
^  Call: (180) [user] s2t(_kb, _1840952)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _1840952)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _1840954, user:s2t)
^  Call: (181) [user] s2t(_rb, _1850222)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _1850222)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _1850224, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _1859492)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _1866904)
   Call: (184) [apply] apply:maplist_(['S', _k], _1866904, user:s2t)
^  Call: (185) [user] s2t('S', _1868784)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_1868784
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _1868786, user:s2t)
^  Call: (186) [user] s2t(_k, _1874358)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _1874358)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _1874360, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_1859492, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _1859494, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_1816816, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], _1816818)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1903202)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1910614)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1910614, user:s2t)
^  Call: (179) [user] s2t('let*', _1912494)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_1912494
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], _1912496, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1918068)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1925480)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1925480, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1927360)
   Call: (184) [system] compound([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1934772)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise, _conclusion]], [_rb]], _1934772, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise, _conclusion]], _1936652)
   Call: (187) [system] compound([:, _ructor, [->, _premise, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise, _conclusion]], _1944064)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise, _conclusion]], _1944064, user:s2t)
^  Call: (189) [user] s2t(:, _1945944)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_1945944
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise, _conclusion]], _1945946, user:s2t)
^  Call: (190) [user] s2t(_ructor, _1951518)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _1951518)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise, _conclusion]], _1951520, user:s2t)
^  Call: (191) [user] s2t([->, _premise, _conclusion], _1960788)
   Call: (192) [system] compound([->, _premise, _conclusion])
   Exit: (192) [system] compound([->, _premise, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise, _conclusion], _1965424)
   Call: (193) [system] compound([_premise, _conclusion])
   Exit: (193) [system] compound([_premise, _conclusion])
^  Call: (193) [user] s2t(_premise, _1968204)
   Call: (194) [system] compound(_premise)
   Exit: (194) [system] compound(_premise)
   Call: (194) [system] is_list(_premise)
^  Call: (194) [user] s2tl(_premise, _1968204)
   Call: (195) [system] compound(_premise)
   Exit: (195) [system] compound(_premise)
^  Exit: (194) [user] s2tl(_premise, _premise)
^  Exit: (193) [user] s2t(_premise, _premise)
^  Call: (193) [user] s2tl([_conclusion], _1968206)
   Call: (194) [system] compound([_conclusion])
   Exit: (194) [system] compound([_conclusion])
^  Call: (194) [user] s2t(_conclusion, _1979318)
   Call: (195) [system] compound(_conclusion)
   Exit: (195) [system] compound(_conclusion)
   Call: (195) [system] is_list(_conclusion)
^  Call: (195) [user] s2tl(_conclusion, _1979318)
   Call: (196) [system] compound(_conclusion)
   Exit: (196) [system] compound(_conclusion)
^  Exit: (195) [user] s2tl(_conclusion, _conclusion)
^  Exit: (194) [user] s2t(_conclusion, _conclusion)
^  Call: (194) [user] s2tl([], _1979320)
   Call: (195) [system] compound([])
   Call: (195) [system] []=_1979320
   Exit: (195) [system] []=[]
^  Exit: (194) [user] s2tl([], [])
^  Exit: (193) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (192) [user] s2tl([_premise, _conclusion], [_premise, _conclusion])
   Call: (192) [system] _1960788=..[->, [_premise, _conclusion]]
   Exit: (192) [system] ->([_premise, _conclusion])=..[->, [_premise, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise, _conclusion], ->([_premise, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _1960790, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise, _conclusion]], [->([_premise, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise, _conclusion]], [_ructor, ->([_premise, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise, _conclusion]], [:, _ructor, ->([_premise, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise, _conclusion]], [:, _ructor, ->([_premise, _conclusion])])
   Call: (187) [system] compound_name_arguments(_1936652, t, [:, _ructor, ->([_premise, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise, _conclusion])), t, [:, _ructor, ->([_premise, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise, _conclusion]], t(:, _ructor, ->([_premise, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _1936654, user:s2t)
^  Call: (187) [user] s2t([_rb], _2006278)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _2013690)
   Call: (189) [apply] apply:maplist_([_rb], _2013690, user:s2t)
^  Call: (190) [user] s2t(_rb, _2015570)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _2015570)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _2015572, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_2006278, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _2006280, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_1927360, t, [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _1927362, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof], _conclusion], _query], _2038834)
   Call: (185) [system] compound([[:, [_ructor, _proof], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof], _conclusion], _query], _2046246)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof], _conclusion], _query], _2046246, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof], _conclusion], _2048126)
   Call: (188) [system] compound([:, [_ructor, _proof], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof], _conclusion], _2055538)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof], _conclusion], _2055538, user:s2t)
^  Call: (190) [user] s2t(:, _2057418)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_2057418
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof], _conclusion], _2057420, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof], _2062992)
   Call: (192) [system] compound([_ructor, _proof])
   Exit: (192) [system] compound([_ructor, _proof])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof])
   Exit: (192) [system] is_list([_ructor, _proof])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof], _2070404)
   Call: (193) [apply] apply:maplist_([_ructor, _proof], _2070404, user:s2t)
^  Call: (194) [user] s2t(_ructor, _2072284)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _2072284)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof], _2072286, user:s2t)
^  Call: (195) [user] s2t(_proof, _2081554)
   Call: (196) [system] compound(_proof)
   Exit: (196) [system] compound(_proof)
   Call: (196) [system] is_list(_proof)
^  Call: (196) [user] s2tl(_proof, _2081554)
   Call: (197) [system] compound(_proof)
   Exit: (197) [system] compound(_proof)
^  Exit: (196) [user] s2tl(_proof, _proof)
^  Exit: (195) [user] s2t(_proof, _proof)
   Call: (195) [apply] apply:maplist_([], _2081556, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof], [_proof], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof], [_ructor, _proof], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof], [_ructor, _proof])
   Call: (192) [system] compound_name_arguments(_2062992, t, [_ructor, _proof])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof), t, [_ructor, _proof])
^  Exit: (191) [user] s2t([_ructor, _proof], t(_ructor, _proof))
   Call: (191) [apply] apply:maplist_([_conclusion], _3804, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _5358)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _5358)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _5360, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof], _conclusion], [t(_ructor, _proof), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof], _conclusion], [:, t(_ructor, _proof), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof], _conclusion], [:, t(_ructor, _proof), _conclusion])
   Call: (188) [system] compound_name_arguments(_3782, t, [:, t(_ructor, _proof), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof), _conclusion), t, [:, t(_ructor, _proof), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof], _conclusion], t(:, t(_ructor, _proof), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _3784, user:s2t)
^  Call: (188) [user] s2t(_query, _23026)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _23026)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _23028, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof], _conclusion], _query], [t(:, t(_ructor, _proof), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof], _conclusion], _query], [t(:, t(_ructor, _proof), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_3768, t, [t(:, t(_ructor, _proof), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof), _conclusion), _query), t, [t(:, t(_ructor, _proof), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof], _conclusion], _query], t(t(:, t(_ructor, _proof), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _3770, user:s2t)
^  Call: (185) [user] s2t([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _39760)
   Call: (186) [system] compound([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof, _premise]==(->)
   Call: (186) [system] [:, _proof, _premise]=='Cons'
   Call: (186) [system] [:, _proof, _premise]==(=)
   Call: (186) [system] is_list([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _47172)
   Call: (187) [apply] apply:maplist_([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], _47172, user:s2t)
^  Call: (188) [user] s2t([:, _proof, _premise], _49052)
   Call: (189) [system] compound([:, _proof, _premise])
   Exit: (189) [system] compound([:, _proof, _premise])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof, _premise])
   Exit: (189) [system] is_list([:, _proof, _premise])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof, _premise], _56464)
   Call: (190) [apply] apply:maplist_([:, _proof, _premise], _56464, user:s2t)
^  Call: (191) [user] s2t(:, _58344)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_58344
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof, _premise], _58346, user:s2t)
^  Call: (192) [user] s2t(_proof, _63918)
   Call: (193) [system] compound(_proof)
   Exit: (193) [system] compound(_proof)
   Call: (193) [system] is_list(_proof)
^  Call: (193) [user] s2tl(_proof, _63918)
   Call: (194) [system] compound(_proof)
   Exit: (194) [system] compound(_proof)
^  Exit: (193) [user] s2tl(_proof, _proof)
^  Exit: (192) [user] s2t(_proof, _proof)
   Call: (192) [apply] apply:maplist_([_premise], _63920, user:s2t)
^  Call: (193) [user] s2t(_premise, _73188)
   Call: (194) [system] compound(_premise)
   Exit: (194) [system] compound(_premise)
   Call: (194) [system] is_list(_premise)
^  Call: (194) [user] s2tl(_premise, _73188)
   Call: (195) [system] compound(_premise)
   Exit: (195) [system] compound(_premise)
^  Exit: (194) [user] s2tl(_premise, _premise)
^  Exit: (193) [user] s2t(_premise, _premise)
   Call: (193) [apply] apply:maplist_([], _73190, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise], [_premise], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof, _premise], [_proof, _premise], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof, _premise], [:, _proof, _premise], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof, _premise], [:, _proof, _premise])
   Call: (189) [system] compound_name_arguments(_49052, t, [:, _proof, _premise])
   Exit: (189) [system] compound_name_arguments(t(:, _proof, _premise), t, [:, _proof, _premise])
^  Exit: (188) [user] s2t([:, _proof, _premise], t(:, _proof, _premise))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof, _premise], _kb, _rb, _k]], _49054, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof, _premise], _kb, _rb, _k], _90856)
   Call: (190) [system] compound([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof, _premise], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof, _premise], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof, _premise], _kb, _rb, _k], _98268)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof, _premise], _kb, _rb, _k], _98268, user:s2t)
^  Call: (192) [user] s2t(synthesize, _100148)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_100148
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof, _premise], _kb, _rb, _k], _100150, user:s2t)
^  Call: (193) [user] s2t([:, _proof, _premise], _105722)
   Call: (194) [system] compound([:, _proof, _premise])
   Exit: (194) [system] compound([:, _proof, _premise])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof, _premise])
   Exit: (194) [system] is_list([:, _proof, _premise])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof, _premise], _113134)
   Call: (195) [apply] apply:maplist_([:, _proof, _premise], _113134, user:s2t)
^  Call: (196) [user] s2t(:, _115014)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_115014
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof, _premise], _115016, user:s2t)
^  Call: (197) [user] s2t(_proof, _120588)
   Call: (198) [system] compound(_proof)
   Exit: (198) [system] compound(_proof)
   Call: (198) [system] is_list(_proof)
^  Call: (198) [user] s2tl(_proof, _120588)
   Call: (199) [system] compound(_proof)
   Exit: (199) [system] compound(_proof)
^  Exit: (198) [user] s2tl(_proof, _proof)
^  Exit: (197) [user] s2t(_proof, _proof)
   Call: (197) [apply] apply:maplist_([_premise], _120590, user:s2t)
^  Call: (198) [user] s2t(_premise, _129858)
   Call: (199) [system] compound(_premise)
   Exit: (199) [system] compound(_premise)
   Call: (199) [system] is_list(_premise)
^  Call: (199) [user] s2tl(_premise, _129858)
   Call: (200) [system] compound(_premise)
   Exit: (200) [system] compound(_premise)
^  Exit: (199) [user] s2tl(_premise, _premise)
^  Exit: (198) [user] s2t(_premise, _premise)
   Call: (198) [apply] apply:maplist_([], _129860, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise], [_premise], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof, _premise], [_proof, _premise], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof, _premise], [:, _proof, _premise], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof, _premise], [:, _proof, _premise])
   Call: (194) [system] compound_name_arguments(_105722, t, [:, _proof, _premise])
   Exit: (194) [system] compound_name_arguments(t(:, _proof, _premise), t, [:, _proof, _premise])
^  Exit: (193) [user] s2t([:, _proof, _premise], t(:, _proof, _premise))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _105724, user:s2t)
^  Call: (194) [user] s2t(_kb, _147526)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _147526)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _147528, user:s2t)
^  Call: (195) [user] s2t(_rb, _156796)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _156796)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _156798, user:s2t)
^  Call: (196) [user] s2t(_k, _166066)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _166066)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _166068, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof, _premise], _kb, _rb, _k], [t(:, _proof, _premise), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof, _premise], _kb, _rb, _k], [synthesize, t(:, _proof, _premise), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof, _premise], _kb, _rb, _k], [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_90856, t, [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof, _premise), _kb, _rb, _k), t, [synthesize, t(:, _proof, _premise), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof, _premise], _kb, _rb, _k], t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _90858, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_39760, t, [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)), t, [t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]], t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([], _39762, user:s2t)
   Exit: (185) [apply] apply:maplist_([], [], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_3714, t, [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _3716, user:s2t)
^  Call: (181) [user] s2t(_query, _201464)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _201464)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _201466, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_3694, t, ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _3696)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_3696
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)], _226554)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Call: (173) [system] _226554=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)])
   Call: (172) [system] _232116=..[nthesize_long_1726792630_1772065, 110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
   Exit: (172) [system] nthesize_long_1726792630_1772065(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))=..[nthesize_long_1726792630_1772065, 110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065(110, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof), _conclusion), _query), t(t(:, _proof, _premise), t(synthesize, t(:, _proof, _premise), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 110)
^  Exit: (169) [system] once(user:(if_t((get_time(1726792638.6715405), arg(1, t(1726792638.6715405), 1726792634.4645028), 4.207037687301636 is 1726792638.6715405-1726792634.4645028, 4.207037687301636>4), (nb_setarg(1, t(1726792638.6715405), 1726792638.6715405), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]]), 110]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 19, 19+1), write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise, _conclusion]], [_rb]], [[:, [_ructor, _proof], _conclusion], _query], [[:, _proof, _premise], [synthesize, [:, _proof, _premise], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 110)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 111)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 111))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 111))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _257308)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _264730)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _273068)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _275854=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _277722, _277724, _277726, _277728), read_sexpr((0x56051b6b4f40), _277740), assertz(metta_file_comment(_277722, _277724, _277726, _277740, _277728))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _277722, _277724, _277726, _277728)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_277728))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_277728))
   Exit: (181) [system] nonvar(position(_277728))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4506, 112, 0, 4506)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4506, 112, 0, 4506), _277722)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _287980)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4506, 112, 0, 4506), _277722)
   Exit: (181) [system] arg(2, '$stream_position'(4506, 112, 0, 4506), 112)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4506, 112, 0, 4506), 112)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4506, 112, 0, 4506), _277724)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _295414)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4506, 112, 0, 4506), _277724)
   Exit: (181) [system] arg(3, '$stream_position'(4506, 112, 0, 4506), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4506, 112, 0, 4506), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4506, 112, 0, 4506), _277726)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _302848)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4506, 112, 0, 4506), _277726)
   Exit: (181) [system] arg(1, '$stream_position'(4506, 112, 0, 4506), 4506)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4506, 112, 0, 4506), 4506)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 112, 0, 4506, '$stream_position'(4506, 112, 0, 4506))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _277740)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _277740)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _312150)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _320618)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _277740)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _326188)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _334656)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _338370)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _340228)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _348696)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _338370)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _358914)
   Call: (185) [system] peek_char((0x56051b6b4f40), _359848)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _358914=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _338370)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_369158, _369160), once(user:catch(read_from_chars([=], _338370), _369134, fail)), '$restore_trace'(_369158, _369160))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_369158, _369160))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _369134, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _376658)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _378516)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _385326)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _388030)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _397422)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _401136)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _402994)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _411462)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _401136)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _417032)
   Exit: (186) [system] peek_char((0x56051b6b4f40), r)
   Call: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _425500)
   Exit: (185) [system] peek_char((0x56051b6b4f40), r)
   Call: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _429214)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _431072)
   Exit: (187) [system] peek_char((0x56051b6b4f40), r)
   Call: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _439540)
   Exit: (186) [system] get_char((0x56051b6b4f40), r)
   Call: (186) [system] r='('
   Call: (186) [system] r='['
   Call: (186) [system] r='{'
   Call: (186) [system] r='"'
   Call: (186) [system] r=!
   Call: (186) [system] r='\''
   Call: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, _429214)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _449758)
   Call: (188) [system] peek_char((0x56051b6b4f40), _450692)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_454484, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _459054)
   Call: (189) [system] peek_char((0x56051b6b4f40), _459988)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_463780, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _459054=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _449758=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _429214)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_473036, _473038), once(user:catch(read_from_chars([r, b], _429214), _473012, fail)), '$restore_trace'(_473036, _473038))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_473036, _473038))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _473012, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _480536)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _482394)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _490862)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _494652)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _480536=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _401136=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [rb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _502946)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _504804)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _511614)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _514318)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _523710)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _527424)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _529282)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _537750)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _527424)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _543320)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _551788)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _555502)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _557360)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _565828)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _555502)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _576046)
   Call: (189) [system] peek_char((0x56051b6b4f40), _576980)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _576046=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _555502)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_586290, _586292), once(user:catch(read_from_chars([:], _555502), _586266, fail)), '$restore_trace'(_586290, _586292))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_586290, _586292))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _586266, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _593790)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _595648)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _602458)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _605162)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _614554)
   Exit: (187) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _618268)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _620126)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _628594)
   Exit: (188) [system] get_char((0x56051b6b4f40), 'D')
   Call: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _618268)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638812)
   Call: (190) [system] peek_char((0x56051b6b4f40), _639746)
   Exit: (190) [system] peek_char((0x56051b6b4f40), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_643538, v('(', ')', end_of_file), i)
   Call: (190) [system] ')'==i
   Call: (190) [system] get_char((0x56051b6b4f40), i)
   Exit: (190) [system] get_char((0x56051b6b4f40), i)
   Call: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _648108)
   Call: (191) [system] peek_char((0x56051b6b4f40), _649042)
   Exit: (191) [system] peek_char((0x56051b6b4f40), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_652834, v('(', ')', end_of_file), s)
   Call: (191) [system] ')'==s
   Call: (191) [system] get_char((0x56051b6b4f40), s)
   Exit: (191) [system] get_char((0x56051b6b4f40), s)
   Call: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657404)
   Call: (192) [system] peek_char((0x56051b6b4f40), _658338)
   Exit: (192) [system] peek_char((0x56051b6b4f40), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_662130, v('(', ')', end_of_file), j)
   Call: (192) [system] ')'==j
   Call: (192) [system] get_char((0x56051b6b4f40), j)
   Exit: (192) [system] get_char((0x56051b6b4f40), j)
   Call: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666700)
   Call: (193) [system] peek_char((0x56051b6b4f40), _667634)
   Exit: (193) [system] peek_char((0x56051b6b4f40), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_671426, v('(', ')', end_of_file), u)
   Call: (193) [system] ')'==u
   Call: (193) [system] get_char((0x56051b6b4f40), u)
   Exit: (193) [system] get_char((0x56051b6b4f40), u)
   Call: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _675996)
   Call: (194) [system] peek_char((0x56051b6b4f40), _676930)
   Exit: (194) [system] peek_char((0x56051b6b4f40), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_680722, v('(', ')', end_of_file), n)
   Call: (194) [system] ')'==n
   Call: (194) [system] get_char((0x56051b6b4f40), n)
   Exit: (194) [system] get_char((0x56051b6b4f40), n)
   Call: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _685292)
   Call: (195) [system] peek_char((0x56051b6b4f40), _686226)
   Exit: (195) [system] peek_char((0x56051b6b4f40), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_690018, v('(', ')', end_of_file), c)
   Call: (195) [system] ')'==c
   Call: (195) [system] get_char((0x56051b6b4f40), c)
   Exit: (195) [system] get_char((0x56051b6b4f40), c)
   Call: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _694588)
   Call: (196) [system] peek_char((0x56051b6b4f40), _695522)
   Exit: (196) [system] peek_char((0x56051b6b4f40), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_699314, v('(', ')', end_of_file), t)
   Call: (196) [system] ')'==t
   Call: (196) [system] get_char((0x56051b6b4f40), t)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _703884)
   Call: (197) [system] peek_char((0x56051b6b4f40), _704818)
   Exit: (197) [system] peek_char((0x56051b6b4f40), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_708610, v('(', ')', end_of_file), i)
   Call: (197) [system] ')'==i
   Call: (197) [system] get_char((0x56051b6b4f40), i)
   Exit: (197) [system] get_char((0x56051b6b4f40), i)
   Call: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _713180)
   Call: (198) [system] peek_char((0x56051b6b4f40), _714114)
   Exit: (198) [system] peek_char((0x56051b6b4f40), v)
^  Call: (198) [user] is_delimiter(v)
   Call: (199) [system] char_type(v, space)
   Call: (199) [system] arg(_717906, v('(', ')', end_of_file), v)
   Call: (198) [system] ')'==v
   Call: (198) [system] get_char((0x56051b6b4f40), v)
   Exit: (198) [system] get_char((0x56051b6b4f40), v)
   Call: (198) [system] v=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _722476)
   Call: (199) [system] peek_char((0x56051b6b4f40), _723410)
   Exit: (199) [system] peek_char((0x56051b6b4f40), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_727202, v('(', ')', end_of_file), e)
   Call: (199) [system] ')'==e
   Call: (199) [system] get_char((0x56051b6b4f40), e)
   Exit: (199) [system] get_char((0x56051b6b4f40), e)
   Call: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _731772)
   Call: (200) [system] peek_char((0x56051b6b4f40), _732706)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'S')
^  Call: (200) [user] is_delimiter('S')
   Call: (201) [system] char_type('S', space)
   Call: (201) [system] arg(_736498, v('(', ')', end_of_file), 'S')
   Call: (200) [system] ')'=='S'
   Call: (200) [system] get_char((0x56051b6b4f40), 'S')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'S')
   Call: (200) [system] 'S'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _741068)
   Call: (201) [system] peek_char((0x56051b6b4f40), _742002)
   Exit: (201) [system] peek_char((0x56051b6b4f40), y)
^  Call: (201) [user] is_delimiter(y)
   Call: (202) [system] char_type(y, space)
   Call: (202) [system] arg(_745794, v('(', ')', end_of_file), y)
   Call: (201) [system] ')'==y
   Call: (201) [system] get_char((0x56051b6b4f40), y)
   Exit: (201) [system] get_char((0x56051b6b4f40), y)
   Call: (201) [system] y=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _750364)
   Call: (202) [system] peek_char((0x56051b6b4f40), _751298)
   Exit: (202) [system] peek_char((0x56051b6b4f40), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_755090, v('(', ')', end_of_file), l)
   Call: (202) [system] ')'==l
   Call: (202) [system] get_char((0x56051b6b4f40), l)
   Exit: (202) [system] get_char((0x56051b6b4f40), l)
   Call: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _759660)
   Call: (203) [system] peek_char((0x56051b6b4f40), _760594)
   Exit: (203) [system] peek_char((0x56051b6b4f40), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_764386, v('(', ')', end_of_file), l)
   Call: (203) [system] ')'==l
   Call: (203) [system] get_char((0x56051b6b4f40), l)
   Exit: (203) [system] get_char((0x56051b6b4f40), l)
   Call: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _768956)
   Call: (204) [system] peek_char((0x56051b6b4f40), _769890)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_773682, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _778252)
   Call: (205) [system] peek_char((0x56051b6b4f40), _779186)
   Exit: (205) [system] peek_char((0x56051b6b4f40), g)
^  Call: (205) [user] is_delimiter(g)
   Call: (206) [system] char_type(g, space)
   Call: (206) [system] arg(_782978, v('(', ')', end_of_file), g)
   Call: (205) [system] ')'==g
   Call: (205) [system] get_char((0x56051b6b4f40), g)
   Exit: (205) [system] get_char((0x56051b6b4f40), g)
   Call: (205) [system] g=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _787548)
   Call: (206) [system] peek_char((0x56051b6b4f40), _788482)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_792274, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _796844)
   Call: (207) [system] peek_char((0x56051b6b4f40), _797778)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_801570, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _806140)
   Call: (208) [system] peek_char((0x56051b6b4f40), _807074)
   Exit: (208) [system] peek_char((0x56051b6b4f40), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_810866, v('(', ')', end_of_file), m)
   Call: (208) [system] ')'==m
   Call: (208) [system] get_char((0x56051b6b4f40), m)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _815436)
   Call: (209) [system] peek_char((0x56051b6b4f40), _816370)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _815436=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _806140=[m]
   Exit: (208) [system] [m]=[m]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m])
   Call: (207) [system] _796844=[s, m]
   Exit: (207) [system] [s, m]=[s, m]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, m])
   Call: (206) [system] _787548=[i, s, m]
   Exit: (206) [system] [i, s, m]=[i, s, m]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, m])
   Call: (205) [system] _778252=[g, i, s, m]
   Exit: (205) [system] [g, i, s, m]=[g, i, s, m]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [g, i, s, m])
   Call: (204) [system] _768956=[o, g, i, s, m]
   Exit: (204) [system] [o, g, i, s, m]=[o, g, i, s, m]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, g, i, s, m])
   Call: (203) [system] _759660=[l, o, g, i, s, m]
   Exit: (203) [system] [l, o, g, i, s, m]=[l, o, g, i, s, m]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, o, g, i, s, m])
   Call: (202) [system] _750364=[l, l, o, g, i, s, m]
   Exit: (202) [system] [l, l, o, g, i, s, m]=[l, l, o, g, i, s, m]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, l, o, g, i, s, m])
   Call: (201) [system] _741068=[y, l, l, o, g, i, s, m]
   Exit: (201) [system] [y, l, l, o, g, i, s, m]=[y, l, l, o, g, i, s, m]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, l, l, o, g, i, s, m])
   Call: (200) [system] _731772=['S', y, l, l, o, g, i, s, m]
   Exit: (200) [system] ['S', y, l, l, o, g, i, s, m]=['S', y, l, l, o, g, i, s, m]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['S', y, l, l, o, g, i, s, m])
   Call: (199) [system] _722476=[e, 'S', y, l, l, o, g, i, s, m]
   Exit: (199) [system] [e, 'S', y, l, l, o, g, i, s, m]=[e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, 'S', y, l, l, o, g, i, s, m])
   Call: (198) [system] _713180=[v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (198) [system] [v, e, 'S', y, l, l, o, g, i, s, m]=[v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (197) [system] _703884=[i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (197) [system] [i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (196) [system] _694588=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (196) [system] [t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (195) [system] _685292=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (195) [system] [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (194) [system] _675996=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (194) [system] [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (193) [system] _666700=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (193) [system] [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (192) [system] _657404=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (192) [system] [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (191) [system] _648108=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (191) [system] [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Call: (190) [system] _638812=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]=[i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Call: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _618268)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_878766, _878768), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _618268), _878742, fail)), '$restore_trace'(_878766, _878768))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_878766, _878768))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], _618268), _878742, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_618268)
   Call: (190) [system] atom_chars(_618268, ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
   Exit: (190) [system] atom_chars('DisjunctiveSyllogism', ['D', i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m])
^  Exit: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, v, e, 'S', y, l, l, o, g, i, s, m], 'DisjunctiveSyllogism')
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctiveSyllogism')
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctiveSyllogism')
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _887218)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _889076)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _895886)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _898590)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _907982)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _911696)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _913554)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _922022)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _911696)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _927592)
   Exit: (191) [system] peek_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _936060)
   Exit: (190) [system] peek_char((0x56051b6b4f40), -)
   Call: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _939774)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _941632)
   Exit: (192) [system] peek_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _950100)
   Exit: (191) [system] get_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, _939774)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _960318)
   Call: (193) [system] peek_char((0x56051b6b4f40), _961252)
   Exit: (193) [system] peek_char((0x56051b6b4f40), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_965044, v('(', ')', end_of_file), >)
   Call: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x56051b6b4f40), >)
   Exit: (193) [system] get_char((0x56051b6b4f40), >)
   Call: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _969614)
   Call: (194) [system] peek_char((0x56051b6b4f40), _970548)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _969614=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _960318=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _939774)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_982652, _982654), once(user:catch(read_from_chars([-, >], _939774), _982628, fail)), '$restore_trace'(_982652, _982654))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_982652, _982654))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _982628, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _990152)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _992010)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _998820)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1001524)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1010916)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1014630)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1016488)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1024956)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1014630)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1030526)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (194) [system] 'O'=(;)
^  Call: (194) [user] is_like_space('O')
   Call: (195) [system] char_type('O', 'white')
   Call: (195) [system] char_type('O', end_of_line)
   Call: (195) [system] char_type('O', space)
   Call: (195) [system] char_type('O', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1038994)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (193) [system] 'O'=')'
   Call: (193) [system] 'O'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1042708)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1044566)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (195) [system] 'O'=(;)
^  Call: (195) [user] is_like_space('O')
   Call: (196) [system] char_type('O', 'white')
   Call: (196) [system] char_type('O', end_of_line)
   Call: (196) [system] char_type('O', space)
   Call: (196) [system] char_type('O', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1053034)
   Exit: (194) [system] get_char((0x56051b6b4f40), 'O')
   Call: (194) [system] 'O'='('
   Call: (194) [system] 'O'='['
   Call: (194) [system] 'O'='{'
   Call: (194) [system] 'O'='"'
   Call: (194) [system] 'O'=!
   Call: (194) [system] 'O'='\''
   Call: (194) [system] 'O'='`'
   Call: (194) [system] 'O'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1042708)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1063252)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1064186)
   Exit: (196) [system] peek_char((0x56051b6b4f40), r)
^  Call: (196) [user] is_delimiter(r)
   Call: (197) [system] char_type(r, space)
   Call: (197) [system] arg(_1067978, v('(', ')', end_of_file), r)
   Call: (196) [system] ')'==r
   Call: (196) [system] get_char((0x56051b6b4f40), r)
   Exit: (196) [system] get_char((0x56051b6b4f40), r)
   Call: (196) [system] r=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1072548)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1073482)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (197) [user] is_delimiter('L')
   Call: (198) [system] char_type('L', space)
   Call: (198) [system] arg(_1077274, v('(', ')', end_of_file), 'L')
   Call: (197) [system] ')'=='L'
   Call: (197) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (197) [system] get_char((0x56051b6b4f40), 'L')
   Call: (197) [system] 'L'=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1081844)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1082778)
   Exit: (198) [system] peek_char((0x56051b6b4f40), i)
^  Call: (198) [user] is_delimiter(i)
   Call: (199) [system] char_type(i, space)
   Call: (199) [system] arg(_1086570, v('(', ')', end_of_file), i)
   Call: (198) [system] ')'==i
   Call: (198) [system] get_char((0x56051b6b4f40), i)
   Exit: (198) [system] get_char((0x56051b6b4f40), i)
   Call: (198) [system] i=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1091140)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1092074)
   Exit: (199) [system] peek_char((0x56051b6b4f40), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1095866, v('(', ')', end_of_file), n)
   Call: (199) [system] ')'==n
   Call: (199) [system] get_char((0x56051b6b4f40), n)
   Exit: (199) [system] get_char((0x56051b6b4f40), n)
   Call: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1100436)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1101370)
   Exit: (200) [system] peek_char((0x56051b6b4f40), k)
^  Call: (200) [user] is_delimiter(k)
   Call: (201) [system] char_type(k, space)
   Call: (201) [system] arg(_1105162, v('(', ')', end_of_file), k)
   Call: (200) [system] ')'==k
   Call: (200) [system] get_char((0x56051b6b4f40), k)
   Exit: (200) [system] get_char((0x56051b6b4f40), k)
   Call: (200) [system] k=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1109732)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1110666)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _1109732=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1100436=[k]
   Exit: (200) [system] [k]=[k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (199) [system] _1091140=[n, k]
   Exit: (199) [system] [n, k]=[n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (198) [system] _1081844=[i, n, k]
   Exit: (198) [system] [i, n, k]=[i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (197) [system] _1072548=['L', i, n, k]
   Exit: (197) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (196) [system] _1063252=[r, 'L', i, n, k]
   Exit: (196) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1042708)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1133946, _1133948), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1042708), _1133922, fail)), '$restore_trace'(_1133946, _1133948))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1133946, _1133948))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1042708), _1133922, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_1042708)
   Call: (196) [system] atom_chars(_1042708, ['O', r, 'L', i, n, k])
   Exit: (196) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1142398)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1144256)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1151066)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1153770)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1163162)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1166876)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1168734)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1177202)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _1166876)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1187420)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1188354)
   Exit: (197) [system] peek_char((0x56051b6b4f40), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_1192146, v('(', ')', end_of_file), p)
   Call: (197) [system] ')'==p
   Call: (197) [system] get_char((0x56051b6b4f40), p)
   Exit: (197) [system] get_char((0x56051b6b4f40), p)
   Call: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1196716)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1197650)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1196716=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (197) [system] _1187420=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _1166876)
   Call: (197) [system] atom_chars(_1209728, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1214392)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1216250)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1223060)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1225764)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1235156)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1238870)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1240728)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1249196)
   Exit: (196) [system] get_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _1238870)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1259414)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1260348)
   Exit: (198) [system] peek_char((0x56051b6b4f40), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1264140, v('(', ')', end_of_file), q)
   Call: (198) [system] ')'==q
   Call: (198) [system] get_char((0x56051b6b4f40), q)
   Exit: (198) [system] get_char((0x56051b6b4f40), q)
   Call: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1268710)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1269644)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1273436, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1268710=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1259414=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1238870)
   Call: (198) [system] atom_chars(_1282666, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1287330)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1289188)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1297656)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1301446)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1287330=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1214392=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (194) [system] _1142398=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_p, _q])
   Call: (193) [system] _1014630=['OrLink', _p, _q]
   Exit: (193) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), ['OrLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1315328)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1317186)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1323996)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1326700)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1336092)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1339806)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1341664)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1350132)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1339806)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1355702)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (195) [system] 'N'=(;)
^  Call: (195) [user] is_like_space('N')
   Call: (196) [system] char_type('N', 'white')
   Call: (196) [system] char_type('N', end_of_line)
   Call: (196) [system] char_type('N', space)
   Call: (196) [system] char_type('N', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1364170)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (194) [system] 'N'=')'
   Call: (194) [system] 'N'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1367884)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1369742)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'N')
   Call: (196) [system] 'N'=(;)
^  Call: (196) [user] is_like_space('N')
   Call: (197) [system] char_type('N', 'white')
   Call: (197) [system] char_type('N', end_of_line)
   Call: (197) [system] char_type('N', space)
   Call: (197) [system] char_type('N', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1378210)
   Exit: (195) [system] get_char((0x56051b6b4f40), 'N')
   Call: (195) [system] 'N'='('
   Call: (195) [system] 'N'='['
   Call: (195) [system] 'N'='{'
   Call: (195) [system] 'N'='"'
   Call: (195) [system] 'N'=!
   Call: (195) [system] 'N'='\''
   Call: (195) [system] 'N'='`'
   Call: (195) [system] 'N'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'N', _1367884)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1388428)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1389362)
   Exit: (197) [system] peek_char((0x56051b6b4f40), o)
^  Call: (197) [user] is_delimiter(o)
   Call: (198) [system] char_type(o, space)
   Call: (198) [system] arg(_1393154, v('(', ')', end_of_file), o)
   Call: (197) [system] ')'==o
   Call: (197) [system] get_char((0x56051b6b4f40), o)
   Exit: (197) [system] get_char((0x56051b6b4f40), o)
   Call: (197) [system] o=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1397724)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1398658)
   Exit: (198) [system] peek_char((0x56051b6b4f40), t)
^  Call: (198) [user] is_delimiter(t)
   Call: (199) [system] char_type(t, space)
   Call: (199) [system] arg(_1402450, v('(', ')', end_of_file), t)
   Call: (198) [system] ')'==t
   Call: (198) [system] get_char((0x56051b6b4f40), t)
   Exit: (198) [system] get_char((0x56051b6b4f40), t)
   Call: (198) [system] t=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1407020)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1407954)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_1411746, v('(', ')', end_of_file), 'L')
   Call: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (199) [system] get_char((0x56051b6b4f40), 'L')
   Call: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1416316)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1417250)
   Exit: (200) [system] peek_char((0x56051b6b4f40), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_1421042, v('(', ')', end_of_file), i)
   Call: (200) [system] ')'==i
   Call: (200) [system] get_char((0x56051b6b4f40), i)
   Exit: (200) [system] get_char((0x56051b6b4f40), i)
   Call: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1425612)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1426546)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1430338, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1434908)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1435842)
   Exit: (202) [system] peek_char((0x56051b6b4f40), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_1439634, v('(', ')', end_of_file), k)
   Call: (202) [system] ')'==k
   Call: (202) [system] get_char((0x56051b6b4f40), k)
   Exit: (202) [system] get_char((0x56051b6b4f40), k)
   Call: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1444204)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1445138)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1444204=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _1434908=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (201) [system] _1425612=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (200) [system] _1416316=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (199) [system] _1407020=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (198) [system] _1397724=[t, 'L', i, n, k]
   Exit: (198) [system] [t, 'L', i, n, k]=[t, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, 'L', i, n, k])
   Call: (197) [system] _1388428=[o, t, 'L', i, n, k]
   Exit: (197) [system] [o, t, 'L', i, n, k]=[o, t, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, t, 'L', i, n, k])
^  Call: (196) [user] classify_and_convert_charseq('N', [o, t, 'L', i, n, k], _1367884)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1471212, _1471214), once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1367884), _1471188, fail)), '$restore_trace'(_1471212, _1471214))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1471212, _1471214))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['N', o, t, 'L', i, n, k], _1367884), _1471188, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1367884)
   Call: (197) [system] atom_chars(_1367884, ['N', o, t, 'L', i, n, k])
   Exit: (197) [system] atom_chars('NotLink', ['N', o, t, 'L', i, n, k])
^  Exit: (196) [user] classify_and_convert_charseq('N', [o, t, 'L', i, n, k], 'NotLink')
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'N', 'NotLink')
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), 'NotLink')
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1479664)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1481522)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1488332)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1491036)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1500428)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1504142)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1506000)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1514468)
   Exit: (196) [system] get_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _1504142)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1524686)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1525620)
   Exit: (198) [system] peek_char((0x56051b6b4f40), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1529412, v('(', ')', end_of_file), q)
   Call: (198) [system] ')'==q
   Call: (198) [system] get_char((0x56051b6b4f40), q)
   Exit: (198) [system] get_char((0x56051b6b4f40), q)
   Call: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1533982)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1534916)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1538708, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1533982=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1524686=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1504142)
   Call: (198) [system] atom_chars(_1547938, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1552602)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1554460)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1562928)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1566718)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1552602=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1479664=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (194) [system] _1339806=['NotLink', _q]
   Exit: (194) [system] ['NotLink', _q]=['NotLink', _q]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), ['NotLink', _q])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), ['NotLink', _q])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1577806)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1579664)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1586474)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1589178)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1598570)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1602284)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1604142)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1612610)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _1602284)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1622828)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1623762)
   Exit: (196) [system] peek_char((0x56051b6b4f40), p)
^  Call: (196) [user] is_delimiter(p)
   Call: (197) [system] char_type(p, space)
   Call: (197) [system] arg(_1627554, v('(', ')', end_of_file), p)
   Call: (196) [system] ')'==p
   Call: (196) [system] get_char((0x56051b6b4f40), p)
   Exit: (196) [system] get_char((0x56051b6b4f40), p)
   Call: (196) [system] p=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1632124)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1633058)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1636850, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1632124=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _1622828=[p]
   Exit: (196) [system] [p]=[p]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (195) [user] classify_and_convert_charseq($, [p], _1602284)
   Call: (196) [system] atom_chars(_1646080, ['_', p])
   Exit: (196) [system] atom_chars('_p', ['_', p])
^  Exit: (195) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1650744)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1652602)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1661070)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _1664860)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _1650744=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _1577806=[_p]
   Exit: (193) [system] [_p]=[_p]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_p])
   Call: (192) [system] _1315328=[['NotLink', _q], _p]
   Exit: (192) [system] [['NotLink', _q], _p]=[['NotLink', _q], _p]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [['NotLink', _q], _p])
   Call: (191) [system] _990152=[['OrLink', _p, _q], ['NotLink', _q], _p]
   Exit: (191) [system] [['OrLink', _p, _q], ['NotLink', _q], _p]=[['OrLink', _p, _q], ['NotLink', _q], _p]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [['OrLink', _p, _q], ['NotLink', _q], _p])
   Call: (190) [system] _911696=[->, ['OrLink', _p, _q], ['NotLink', _q], _p]
   Exit: (190) [system] [->, ['OrLink', _p, _q], ['NotLink', _q], _p]=[->, ['OrLink', _p, _q], ['NotLink', _q], _p]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [->, ['OrLink', _p, _q], ['NotLink', _q], _p])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), [->, ['OrLink', _p, _q], ['NotLink', _q], _p])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1681536)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1683394)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1691862)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1695652)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1681536=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _887218=[[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (188) [system] [[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=[[->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [[->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
   Call: (187) [system] _593790=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (187) [system] ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), ['DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
   Call: (186) [system] _527424=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
   Exit: (186) [system] [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]=[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1709534)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1711392)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1719860)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1723650)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1709534=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _502946=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (184) [system] [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
   Call: (183) [system] _376658=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
   Call: (182) [system] _277740=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]=[=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]])
^  Call: (179) [user] assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))
^  Exit: (179) [user] assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 112, 0, 4506, '$stream_position'(4506, 112, 0, 4506)), read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]]), assertz(metta_file_comment(112, 0, 4506, [=, [rb], [:, 'DisjunctiveSyllogism', [->, ['OrLink', _p, _q], ['NotLink', _q], _p]]], '$stream_position'(4506, 112, 0, 4506)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1742168, _1742170, _1742172, _1742174, _1742176))
^  Exit: (177) [user] retract(metta_file_comment(59, 0, 1944, '$COMMENT'(";; Binary rule", 59, 0), '$stream_position'(1944, 59, 0, 1944)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _1745002))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), _1745002)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Binary rule", 59, 0), _1745002)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1747818))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1747818))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1747818)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1750618))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), _1750618)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Binary rule", 59, 0), _1750618)
   Call: (187) [system] var('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] atom('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==true
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==false
   Call: (187) [system] '$COMMENT'(";; Binary rule", 59, 0)==[_1757138, _1757144]
   Call: (187) [system] is_list('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] string('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] compound('$COMMENT'(";; Binary rule", 59, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Binary rule", 59, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), _1761772, _1761774)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT', [";; Binary rule", 59, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Binary rule", 59, 0], _1765514)
   Call: (188) [apply] apply:maplist_([";; Binary rule", 59, 0], _1765514, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Binary rule", _1767394)
   Call: (190) [system] var(";; Binary rule")
   Call: (190) [system] atom(";; Binary rule")
   Call: (190) [system] ";; Binary rule"==true
   Call: (190) [system] ";; Binary rule"==false
   Call: (190) [system] ";; Binary rule"==[_1772036, _1772042]
   Call: (190) [system] is_list(";; Binary rule")
   Call: (190) [system] string(";; Binary rule")
   Exit: (190) [system] string(";; Binary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Binary rule")
^  Call: (190) [user] symbol(";; Binary rule")
   Call: (191) [system] atom(";; Binary rule")
   Fail: (191) [system] atom(";; Binary rule")
^  Fail: (190) [user] symbol(";; Binary rule")
   Call: (190) [system] ";; Binary rule"=_1767394
   Exit: (190) [system] ";; Binary rule"=";; Binary rule"
^  Exit: (189) [user] mfix_vars1(";; Binary rule", ";; Binary rule")
   Call: (189) [apply] apply:maplist_([59, 0], _1767396, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(59, _1785916)
   Call: (191) [system] var(59)
   Call: (191) [system] atom(59)
   Call: (191) [system] 59==true
   Call: (191) [system] 59==false
   Call: (191) [system] 59==[_1790558, _1790564]
   Call: (191) [system] is_list(59)
   Call: (191) [system] string(59)
   Call: (191) [system] compound(59)
^  Call: (191) [user] symbol(59)
   Call: (192) [system] atom(59)
   Fail: (192) [system] atom(59)
^  Fail: (191) [user] symbol(59)
   Call: (191) [system] 59=_1785916
   Exit: (191) [system] 59=59
^  Exit: (190) [user] mfix_vars1(59, 59)
   Call: (190) [apply] apply:maplist_([0], _1785918, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1801682)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1806324, _1806330]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1801682
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1801684, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([59, 0], [59, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Binary rule", 59, 0], [";; Binary rule", 59, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Binary rule", 59, 0], [";; Binary rule", 59, 0])
   Call: (187) [system] compound_name_arguments(_1750618, '$COMMENT', [";; Binary rule", 59, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT', [";; Binary rule", 59, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _1830500))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _1830500))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _1830500)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _1833300))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), _1833300)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Binary rule", 59, 0), _1833300)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1745002))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1745002))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1745002)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1847258))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), _1847258)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Binary rule", 59, 0), _1847258)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (184) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (178) [system] '$COMMENT'(";; Binary rule", 59, 0)\=@='$COMMENT'(";; Binary rule", 59, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Binary rule", 59, 0), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Binary rule", 59, 0)))
   Call: (169) [system] '$COMMENT'(";; Binary rule", 59, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Binary rule", 59, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Binary rule", 59, 0), nthesize_long_1726792630_1772065, 111)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792638.9418354)
   Call: (173) [system] arg(1, t(1726792638.6715405), _3148)
   Exit: (173) [system] arg(1, t(1726792638.6715405), 1726792638.6715405)
   Call: (173) [system] _3158 is 1726792638.9418354-1726792638.6715405
   Exit: (173) [system] 0.2702949047088623 is 1726792638.9418354-1726792638.6715405
   Call: (173) [system] 0.2702949047088623>4
   Fail: (173) [system] 0.2702949047088623>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 20)
   Call: (175) [system] atom(20+1)
   Call: (175) [system] set_flag(translated_forms, 21)
   Exit: (175) [system] set_flag(translated_forms, 21)
   Exit: (174) [$syspreds] update_flag(translated_forms, 20, 20+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 20, 20+1))
   Exit: (171) [$syspreds] flag(translated_forms, 20, 20+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Binary rule", 59, 0), nthesize_long_1726792630_1772065, 111)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Binary rule"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Binary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Binary rule", 59, 0), nthesize_long_1726792630_1772065, 111)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Binary rule", 59, 0)), 111]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 20, 20+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Binary rule", 59, 0), nthesize_long_1726792630_1772065, 111)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 112)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 112))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 112))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1922042)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1929464)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1937802)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1940588=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _1942456, _1942458, _1942460, _1942462), read_sexpr((0x56051b6b4f40), _1942474), assertz(metta_file_comment(_1942456, _1942458, _1942460, _1942474, _1942462))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _1942456, _1942458, _1942460, _1942462)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_1942462))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_1942462))
   Exit: (181) [system] nonvar(position(_1942462))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4576, 113, 0, 4576)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4576, 113, 0, 4576), _1942456)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1952714)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4576, 113, 0, 4576), _1942456)
   Exit: (181) [system] arg(2, '$stream_position'(4576, 113, 0, 4576), 113)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4576, 113, 0, 4576), 113)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4576, 113, 0, 4576), _1942458)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1960148)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4576, 113, 0, 4576), _1942458)
   Exit: (181) [system] arg(3, '$stream_position'(4576, 113, 0, 4576), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4576, 113, 0, 4576), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4576, 113, 0, 4576), _1942460)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1967582)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4576, 113, 0, 4576), _1942460)
   Exit: (181) [system] arg(1, '$stream_position'(4576, 113, 0, 4576), 4576)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4576, 113, 0, 4576), 4576)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 113, 0, 4576, '$stream_position'(4576, 113, 0, 4576))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _1942474)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1942474)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1976884)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1985352)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1942474)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1990922)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1999390)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _2003104)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _2004962)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _2013430)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _2003104)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2023648)
   Call: (185) [system] peek_char((0x56051b6b4f40), _2024582)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _2023648=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _2003104)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_2033892, _2033894), once(user:catch(read_from_chars([=], _2003104), _2033868, fail)), '$restore_trace'(_2033892, _2033894))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_2033892, _2033894))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _2033868, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _2041392)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _2043250)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _2050060)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _2052764)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _2062156)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _2065870)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _2067728)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _2076196)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _2065870)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2081766)
   Exit: (186) [system] peek_char((0x56051b6b4f40), r)
   Call: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _2090234)
   Exit: (185) [system] peek_char((0x56051b6b4f40), r)
   Call: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _2093948)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _2095806)
   Exit: (187) [system] peek_char((0x56051b6b4f40), r)
   Call: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _10784)
   Exit: (186) [system] get_char((0x56051b6b4f40), r)
   Call: (186) [system] r='('
   Call: (186) [system] r='['
   Call: (186) [system] r='{'
   Call: (186) [system] r='"'
   Call: (186) [system] r=!
   Call: (186) [system] r='\''
   Call: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, _3372)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _21002)
   Call: (188) [system] peek_char((0x56051b6b4f40), _21936)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_25728, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _30298)
   Call: (189) [system] peek_char((0x56051b6b4f40), _31232)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_35024, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _30298=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _21002=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _3372)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_44280, _44282), once(user:catch(read_from_chars([r, b], _3372), _44256, fail)), '$restore_trace'(_44280, _44282))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_44280, _44282))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _44256, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _51780)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _53638)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _62106)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _65896)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _51780=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _3366=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [rb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _74190)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _76048)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _82858)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _85562)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _94954)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _98668)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _100526)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _108994)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _98668)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _114564)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _123032)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _126746)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _128604)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _137072)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _126746)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _147290)
   Call: (189) [system] peek_char((0x56051b6b4f40), _148224)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _147290=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _126746)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_157534, _157536), once(user:catch(read_from_chars([:], _126746), _157510, fail)), '$restore_trace'(_157534, _157536))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_157534, _157536))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _157510, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _165034)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _166892)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _173702)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _176406)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _185798)
   Exit: (187) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _189512)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _191370)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _199838)
   Exit: (188) [system] get_char((0x56051b6b4f40), 'C')
   Call: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _189512)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _210056)
   Call: (190) [system] peek_char((0x56051b6b4f40), _210990)
   Exit: (190) [system] peek_char((0x56051b6b4f40), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_214782, v('(', ')', end_of_file), o)
   Call: (190) [system] ')'==o
   Call: (190) [system] get_char((0x56051b6b4f40), o)
   Exit: (190) [system] get_char((0x56051b6b4f40), o)
   Call: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _219352)
   Call: (191) [system] peek_char((0x56051b6b4f40), _220286)
   Exit: (191) [system] peek_char((0x56051b6b4f40), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_224078, v('(', ')', end_of_file), n)
   Call: (191) [system] ')'==n
   Call: (191) [system] get_char((0x56051b6b4f40), n)
   Exit: (191) [system] get_char((0x56051b6b4f40), n)
   Call: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _228648)
   Call: (192) [system] peek_char((0x56051b6b4f40), _229582)
   Exit: (192) [system] peek_char((0x56051b6b4f40), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_233374, v('(', ')', end_of_file), j)
   Call: (192) [system] ')'==j
   Call: (192) [system] get_char((0x56051b6b4f40), j)
   Exit: (192) [system] get_char((0x56051b6b4f40), j)
   Call: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _237944)
   Call: (193) [system] peek_char((0x56051b6b4f40), _238878)
   Exit: (193) [system] peek_char((0x56051b6b4f40), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_242670, v('(', ')', end_of_file), u)
   Call: (193) [system] ')'==u
   Call: (193) [system] get_char((0x56051b6b4f40), u)
   Exit: (193) [system] get_char((0x56051b6b4f40), u)
   Call: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _247240)
   Call: (194) [system] peek_char((0x56051b6b4f40), _248174)
   Exit: (194) [system] peek_char((0x56051b6b4f40), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_251966, v('(', ')', end_of_file), n)
   Call: (194) [system] ')'==n
   Call: (194) [system] get_char((0x56051b6b4f40), n)
   Exit: (194) [system] get_char((0x56051b6b4f40), n)
   Call: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256536)
   Call: (195) [system] peek_char((0x56051b6b4f40), _257470)
   Exit: (195) [system] peek_char((0x56051b6b4f40), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_261262, v('(', ')', end_of_file), c)
   Call: (195) [system] ')'==c
   Call: (195) [system] get_char((0x56051b6b4f40), c)
   Exit: (195) [system] get_char((0x56051b6b4f40), c)
   Call: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _265832)
   Call: (196) [system] peek_char((0x56051b6b4f40), _266766)
   Exit: (196) [system] peek_char((0x56051b6b4f40), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_270558, v('(', ')', end_of_file), t)
   Call: (196) [system] ')'==t
   Call: (196) [system] get_char((0x56051b6b4f40), t)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _275128)
   Call: (197) [system] peek_char((0x56051b6b4f40), _276062)
   Exit: (197) [system] peek_char((0x56051b6b4f40), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_279854, v('(', ')', end_of_file), i)
   Call: (197) [system] ')'==i
   Call: (197) [system] get_char((0x56051b6b4f40), i)
   Exit: (197) [system] get_char((0x56051b6b4f40), i)
   Call: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _284424)
   Call: (198) [system] peek_char((0x56051b6b4f40), _285358)
   Exit: (198) [system] peek_char((0x56051b6b4f40), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_289150, v('(', ')', end_of_file), o)
   Call: (198) [system] ')'==o
   Call: (198) [system] get_char((0x56051b6b4f40), o)
   Exit: (198) [system] get_char((0x56051b6b4f40), o)
   Call: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293720)
   Call: (199) [system] peek_char((0x56051b6b4f40), _294654)
   Exit: (199) [system] peek_char((0x56051b6b4f40), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_298446, v('(', ')', end_of_file), n)
   Call: (199) [system] ')'==n
   Call: (199) [system] get_char((0x56051b6b4f40), n)
   Exit: (199) [system] get_char((0x56051b6b4f40), n)
   Call: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _303016)
   Call: (200) [system] peek_char((0x56051b6b4f40), _303950)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (200) [user] is_delimiter('I')
   Call: (201) [system] char_type('I', space)
   Call: (201) [system] arg(_307742, v('(', ')', end_of_file), 'I')
   Call: (200) [system] ')'=='I'
   Call: (200) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'I')
   Call: (200) [system] 'I'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _312312)
   Call: (201) [system] peek_char((0x56051b6b4f40), _313246)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_317038, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _321608)
   Call: (202) [system] peek_char((0x56051b6b4f40), _322542)
   Exit: (202) [system] peek_char((0x56051b6b4f40), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_326334, v('(', ')', end_of_file), t)
   Call: (202) [system] ')'==t
   Call: (202) [system] get_char((0x56051b6b4f40), t)
   Exit: (202) [system] get_char((0x56051b6b4f40), t)
   Call: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _330904)
   Call: (203) [system] peek_char((0x56051b6b4f40), _331838)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_335630, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _340200)
   Call: (204) [system] peek_char((0x56051b6b4f40), _341134)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_344926, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _349496)
   Call: (205) [system] peek_char((0x56051b6b4f40), _350430)
   Exit: (205) [system] peek_char((0x56051b6b4f40), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_354222, v('(', ')', end_of_file), d)
   Call: (205) [system] ')'==d
   Call: (205) [system] get_char((0x56051b6b4f40), d)
   Exit: (205) [system] get_char((0x56051b6b4f40), d)
   Call: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _358792)
   Call: (206) [system] peek_char((0x56051b6b4f40), _359726)
   Exit: (206) [system] peek_char((0x56051b6b4f40), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_363518, v('(', ')', end_of_file), u)
   Call: (206) [system] ')'==u
   Call: (206) [system] get_char((0x56051b6b4f40), u)
   Exit: (206) [system] get_char((0x56051b6b4f40), u)
   Call: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _368088)
   Call: (207) [system] peek_char((0x56051b6b4f40), _369022)
   Exit: (207) [system] peek_char((0x56051b6b4f40), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_372814, v('(', ')', end_of_file), c)
   Call: (207) [system] ')'==c
   Call: (207) [system] get_char((0x56051b6b4f40), c)
   Exit: (207) [system] get_char((0x56051b6b4f40), c)
   Call: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _377384)
   Call: (208) [system] peek_char((0x56051b6b4f40), _378318)
   Exit: (208) [system] peek_char((0x56051b6b4f40), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_382110, v('(', ')', end_of_file), t)
   Call: (208) [system] ')'==t
   Call: (208) [system] get_char((0x56051b6b4f40), t)
   Exit: (208) [system] get_char((0x56051b6b4f40), t)
   Call: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _386680)
   Call: (209) [system] peek_char((0x56051b6b4f40), _387614)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_391406, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _395976)
   Call: (210) [system] peek_char((0x56051b6b4f40), _396910)
   Exit: (210) [system] peek_char((0x56051b6b4f40), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_400702, v('(', ')', end_of_file), o)
   Call: (210) [system] ')'==o
   Call: (210) [system] get_char((0x56051b6b4f40), o)
   Exit: (210) [system] get_char((0x56051b6b4f40), o)
   Call: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _405272)
   Call: (211) [system] peek_char((0x56051b6b4f40), _406206)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_409998, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _414568)
   Call: (212) [system] peek_char((0x56051b6b4f40), _415502)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _414568=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _405272=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (210) [system] _395976=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (209) [system] _386680=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (208) [system] _377384=[t, i, o, n]
   Exit: (208) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (207) [system] _368088=[c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (206) [system] _358792=[u, c, t, i, o, n]
   Exit: (206) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (205) [system] _349496=[d, u, c, t, i, o, n]
   Exit: (205) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (204) [system] _340200=[o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (203) [system] _330904=[r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _321608=[t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _312312=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (200) [system] _303016=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (200) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (199) [system] _293720=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (199) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (198) [system] _284424=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (198) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (197) [system] _275128=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (197) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (196) [system] _265832=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (196) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (195) [system] _256536=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (195) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (194) [system] _247240=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (194) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (193) [system] _237944=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (192) [system] _228648=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (191) [system] _219352=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (190) [system] _210056=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _189512)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_486280, _486282), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _189512), _486256, fail)), '$restore_trace'(_486280, _486282))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_486280, _486282))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _189512), _486256, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_189512)
   Call: (190) [system] atom_chars(_189512, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (190) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _494732)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _496590)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _503400)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _506104)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _515496)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _519210)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _521068)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _529536)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _519210)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _535106)
   Exit: (191) [system] peek_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _543574)
   Exit: (190) [system] peek_char((0x56051b6b4f40), -)
   Call: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _547288)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _549146)
   Exit: (192) [system] peek_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _557614)
   Exit: (191) [system] get_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, _547288)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _567832)
   Call: (193) [system] peek_char((0x56051b6b4f40), _568766)
   Exit: (193) [system] peek_char((0x56051b6b4f40), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_572558, v('(', ')', end_of_file), >)
   Call: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x56051b6b4f40), >)
   Exit: (193) [system] get_char((0x56051b6b4f40), >)
   Call: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _577128)
   Call: (194) [system] peek_char((0x56051b6b4f40), _578062)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _577128=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _567832=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _547288)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_590166, _590168), once(user:catch(read_from_chars([-, >], _547288), _590142, fail)), '$restore_trace'(_590166, _590168))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_590166, _590168))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _590142, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _597666)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _599524)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _606334)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _609038)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=(;)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _618430)
   Exit: (191) [system] peek_char((0x56051b6b4f40), $)
   Call: (191) [system] ($)=')'
   Call: (191) [system] ($)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _622144)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _624002)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=(;)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _632470)
   Exit: (192) [system] get_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)='('
   Call: (192) [system] ($)='['
   Call: (192) [system] ($)='{'
   Call: (192) [system] ($)='"'
   Call: (192) [system] ($)=!
   Call: (192) [system] ($)='\''
   Call: (192) [system] ($)='`'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), $, _622144)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _642688)
   Call: (194) [system] peek_char((0x56051b6b4f40), _643622)
   Exit: (194) [system] peek_char((0x56051b6b4f40), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_647414, v('(', ')', end_of_file), p)
   Call: (194) [system] ')'==p
   Call: (194) [system] get_char((0x56051b6b4f40), p)
   Exit: (194) [system] get_char((0x56051b6b4f40), p)
   Call: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _651984)
   Call: (195) [system] peek_char((0x56051b6b4f40), _652918)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _651984=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (194) [system] _642688=[p]
   Exit: (194) [system] [p]=[p]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (193) [user] classify_and_convert_charseq($, [p], _622144)
   Call: (194) [system] atom_chars(_664996, ['_', p])
   Exit: (194) [system] atom_chars('_p', ['_', p])
^  Exit: (193) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _669660)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _671518)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _678328)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _681032)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _690424)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _694138)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _695996)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _704464)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _694138)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _714682)
   Call: (195) [system] peek_char((0x56051b6b4f40), _715616)
   Exit: (195) [system] peek_char((0x56051b6b4f40), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_719408, v('(', ')', end_of_file), q)
   Call: (195) [system] ')'==q
   Call: (195) [system] get_char((0x56051b6b4f40), q)
   Exit: (195) [system] get_char((0x56051b6b4f40), q)
   Call: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _723978)
   Call: (196) [system] peek_char((0x56051b6b4f40), _724912)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _723978=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _714682=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (194) [user] classify_and_convert_charseq($, [q], _694138)
   Call: (195) [system] atom_chars(_736990, ['_', q])
   Exit: (195) [system] atom_chars('_q', ['_', q])
^  Exit: (194) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _741654)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _743512)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _750322)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _753026)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _762418)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _766132)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _767990)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _776458)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _766132)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _782028)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (196) [system] 'A'=(;)
^  Call: (196) [user] is_like_space('A')
   Call: (197) [system] char_type('A', 'white')
   Call: (197) [system] char_type('A', end_of_line)
   Call: (197) [system] char_type('A', space)
   Call: (197) [system] char_type('A', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _790496)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (195) [system] 'A'=')'
   Call: (195) [system] 'A'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _794210)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _796068)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (197) [system] 'A'=(;)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _804536)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'A')
   Call: (196) [system] 'A'='('
   Call: (196) [system] 'A'='['
   Call: (196) [system] 'A'='{'
   Call: (196) [system] 'A'='"'
   Call: (196) [system] 'A'=!
   Call: (196) [system] 'A'='\''
   Call: (196) [system] 'A'='`'
   Call: (196) [system] 'A'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _794210)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _814754)
   Call: (198) [system] peek_char((0x56051b6b4f40), _815688)
   Exit: (198) [system] peek_char((0x56051b6b4f40), n)
^  Call: (198) [user] is_delimiter(n)
   Call: (199) [system] char_type(n, space)
   Call: (199) [system] arg(_819480, v('(', ')', end_of_file), n)
   Call: (198) [system] ')'==n
   Call: (198) [system] get_char((0x56051b6b4f40), n)
   Exit: (198) [system] get_char((0x56051b6b4f40), n)
   Call: (198) [system] n=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _824050)
   Call: (199) [system] peek_char((0x56051b6b4f40), _824984)
   Exit: (199) [system] peek_char((0x56051b6b4f40), d)
^  Call: (199) [user] is_delimiter(d)
   Call: (200) [system] char_type(d, space)
   Call: (200) [system] arg(_828776, v('(', ')', end_of_file), d)
   Call: (199) [system] ')'==d
   Call: (199) [system] get_char((0x56051b6b4f40), d)
   Exit: (199) [system] get_char((0x56051b6b4f40), d)
   Call: (199) [system] d=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _833346)
   Call: (200) [system] peek_char((0x56051b6b4f40), _834280)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (200) [user] is_delimiter('L')
   Call: (201) [system] char_type('L', space)
   Call: (201) [system] arg(_838072, v('(', ')', end_of_file), 'L')
   Call: (200) [system] ')'=='L'
   Call: (200) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'L')
   Call: (200) [system] 'L'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _842642)
   Call: (201) [system] peek_char((0x56051b6b4f40), _843576)
   Exit: (201) [system] peek_char((0x56051b6b4f40), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_847368, v('(', ')', end_of_file), i)
   Call: (201) [system] ')'==i
   Call: (201) [system] get_char((0x56051b6b4f40), i)
   Exit: (201) [system] get_char((0x56051b6b4f40), i)
   Call: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _851938)
   Call: (202) [system] peek_char((0x56051b6b4f40), _852872)
   Exit: (202) [system] peek_char((0x56051b6b4f40), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_856664, v('(', ')', end_of_file), n)
   Call: (202) [system] ')'==n
   Call: (202) [system] get_char((0x56051b6b4f40), n)
   Exit: (202) [system] get_char((0x56051b6b4f40), n)
   Call: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _861234)
   Call: (203) [system] peek_char((0x56051b6b4f40), _862168)
   Exit: (203) [system] peek_char((0x56051b6b4f40), k)
^  Call: (203) [user] is_delimiter(k)
   Call: (204) [system] char_type(k, space)
   Call: (204) [system] arg(_865960, v('(', ')', end_of_file), k)
   Call: (203) [system] ')'==k
   Call: (203) [system] get_char((0x56051b6b4f40), k)
   Exit: (203) [system] get_char((0x56051b6b4f40), k)
   Call: (203) [system] k=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _870530)
   Call: (204) [system] peek_char((0x56051b6b4f40), _871464)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _870530=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _861234=[k]
   Exit: (203) [system] [k]=[k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (202) [system] _851938=[n, k]
   Exit: (202) [system] [n, k]=[n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (201) [system] _842642=[i, n, k]
   Exit: (201) [system] [i, n, k]=[i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (200) [system] _833346=['L', i, n, k]
   Exit: (200) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (199) [system] _824050=[d, 'L', i, n, k]
   Exit: (199) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (198) [system] _814754=[n, d, 'L', i, n, k]
   Exit: (198) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _794210)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_897538, _897540), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _794210), _897514, fail)), '$restore_trace'(_897538, _897540))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_897538, _897540))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _794210), _897514, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_794210)
   Call: (198) [system] atom_chars(_794210, ['A', n, d, 'L', i, n, k])
   Exit: (198) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _905990)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _907848)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _914658)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _917362)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _926754)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _930468)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _932326)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _940794)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _930468)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _951012)
   Call: (199) [system] peek_char((0x56051b6b4f40), _951946)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_955738, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _960308)
   Call: (200) [system] peek_char((0x56051b6b4f40), _961242)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _960308=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _951012=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (198) [user] classify_and_convert_charseq($, [p], _930468)
   Call: (199) [system] atom_chars(_973320, ['_', p])
   Exit: (199) [system] atom_chars('_p', ['_', p])
^  Exit: (198) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _977984)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _979842)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _986652)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _989356)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _998748)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1002462)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1004320)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1012788)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _1002462)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1023006)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1023940)
   Exit: (200) [system] peek_char((0x56051b6b4f40), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_1027732, v('(', ')', end_of_file), q)
   Call: (200) [system] ')'==q
   Call: (200) [system] get_char((0x56051b6b4f40), q)
   Exit: (200) [system] get_char((0x56051b6b4f40), q)
   Call: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1032302)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1033236)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_1037028, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _1032302=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1023006=[q]
   Exit: (200) [system] [q]=[q]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (199) [user] classify_and_convert_charseq($, [q], _1002462)
   Call: (200) [system] atom_chars(_1046258, ['_', q])
   Exit: (200) [system] atom_chars('_q', ['_', q])
^  Exit: (199) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1050922)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1052780)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1061248)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _1065038)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _1050922=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _977984=[_q]
   Exit: (197) [system] [_q]=[_q]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (196) [system] _905990=[_p, _q]
   Exit: (196) [system] [_p, _q]=[_p, _q]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_p, _q])
   Call: (195) [system] _766132=['AndLink', _p, _q]
   Exit: (195) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['AndLink', _p, _q])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', _p, _q])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1078920)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1080778)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1089246)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _1093036)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _1078920=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _741654=[['AndLink', _p, _q]]
   Exit: (193) [system] [['AndLink', _p, _q]]=[['AndLink', _p, _q]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [['AndLink', _p, _q]])
   Call: (192) [system] _669660=[_q, ['AndLink', _p, _q]]
   Exit: (192) [system] [_q, ['AndLink', _p, _q]]=[_q, ['AndLink', _p, _q]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_q, ['AndLink', _p, _q]])
   Call: (191) [system] _597666=[_p, _q, ['AndLink', _p, _q]]
   Exit: (191) [system] [_p, _q, ['AndLink', _p, _q]]=[_p, _q, ['AndLink', _p, _q]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [_p, _q, ['AndLink', _p, _q]])
   Call: (190) [system] _519210=[->, _p, _q, ['AndLink', _p, _q]]
   Exit: (190) [system] [->, _p, _q, ['AndLink', _p, _q]]=[->, _p, _q, ['AndLink', _p, _q]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [->, _p, _q, ['AndLink', _p, _q]])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), [->, _p, _q, ['AndLink', _p, _q]])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1109712)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1111570)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1120038)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1123828)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1109712=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _494732=[[->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (188) [system] [[->, _p, _q, ['AndLink', _p, _q]]]=[[->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [[->, _p, _q, ['AndLink', _p, _q]]])
   Call: (187) [system] _165034=['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (187) [system] ['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]=['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
   Call: (186) [system] _98668=[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
   Exit: (186) [system] [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]=[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1137710)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1139568)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1148036)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1151826)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1137710=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _74190=[[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (184) [system] [[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
   Call: (183) [system] _3362=[[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]=[=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]])
^  Call: (179) [user] assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))
^  Exit: (179) [user] assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 113, 0, 4576, '$stream_position'(4576, 113, 0, 4576)), read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]]), assertz(metta_file_comment(113, 0, 4576, [=, [rb], [:, 'ConjunctionIntroduction', [->, _p, _q, ['AndLink', _p, _q]]]], '$stream_position'(4576, 113, 0, 4576)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1170344, _1170346, _1170348, _1170350, _1170352))
^  Exit: (177) [user] retract(metta_file_comment(59, 0, 1944, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], '$stream_position'(1944, 59, 0, 1944)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1173644))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1173644)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1173644)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1176460))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1176460))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1176460)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1179260))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1179260)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1179260)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1189482)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _1189482)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1189482)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==[_1195998, _1196004]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1179260)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1179260, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _1201578)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _1205286, =)
   Call: (191) [system] atom_concat($, _1205286, =)
   Fail: (191) [system] atom_concat($, _1205286, =)
^  Fail: (190) [user] symbol_concat($, _1205286, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_1210874, _1210880]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1201580, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _1220142)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _1228486)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _1228486)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _1228486)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _1228486)
   Call: (195) [lists] lists:last_([], ['S', _k], _1228486)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_1238730, _1238736]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _1220142)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1220142, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _1244310)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _1248018, synthesize)
   Call: (195) [system] atom_concat($, _1248018, synthesize)
   Fail: (195) [system] atom_concat($, _1248018, synthesize)
^  Fail: (194) [user] symbol_concat($, _1248018, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_1253606, _1253612]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1244312, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _1262874)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_1267516, _1267522]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _1272150, _1272152)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1277744))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1277744))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1277744)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1280544))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1280544)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1280544)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1173644))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1173644))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1173644)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1294502))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1294502)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1294502)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 112)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792639.1420884)
   Call: (173) [system] arg(1, t(1726792638.6715405), _3148)
   Exit: (173) [system] arg(1, t(1726792638.6715405), 1726792638.6715405)
   Call: (173) [system] _3158 is 1726792639.1420884-1726792638.6715405
   Exit: (173) [system] 0.4705479145050049 is 1726792639.1420884-1726792638.6715405
   Call: (173) [system] 0.4705479145050049>4
   Fail: (173) [system] 0.4705479145050049>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 21)
   Call: (175) [system] atom(21+1)
   Call: (175) [system] set_flag(translated_forms, 22)
   Exit: (175) [system] set_flag(translated_forms, 22)
   Exit: (174) [$syspreds] update_flag(translated_forms, 21, 21+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 21, 21+1))
   Exit: (171) [$syspreds] flag(translated_forms, 21, 21+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 112)
^  Call: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, _1345972, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1345974)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1345974)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _1350624)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_1350624
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1350626)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _1358042)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _1365454)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _1365454, user:s2t)
^  Call: (178) [user] s2t(synthesize, _1367334)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_1367334
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _1367336, user:s2t)
^  Call: (179) [user] s2t(_query, _1372908)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _1372908)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _1372910, user:s2t)
^  Call: (180) [user] s2t(_kb, _1382178)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _1382178)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _1382180, user:s2t)
^  Call: (181) [user] s2t(_rb, _1391448)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _1391448)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _1391450, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _1400718)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _1408130)
   Call: (184) [apply] apply:maplist_(['S', _k], _1408130, user:s2t)
^  Call: (185) [user] s2t('S', _1410010)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_1410010
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _1410012, user:s2t)
^  Call: (186) [user] s2t(_k, _1415584)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _1415584)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _1415586, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_1400718, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _1400720, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_1358042, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], _1358044)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1444428)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1451840)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1451840, user:s2t)
^  Call: (179) [user] s2t('let*', _1453720)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_1453720
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], _1453722, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1459294)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1466706)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1466706, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _1468586)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _1475998)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], _1475998, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _conclusion]], _1477878)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _conclusion]], _1485290)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _conclusion]], _1485290, user:s2t)
^  Call: (189) [user] s2t(:, _1487170)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_1487170
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _conclusion]], _1487172, user:s2t)
^  Call: (190) [user] s2t(_ructor, _1492744)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _1492744)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _conclusion]], _1492746, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _conclusion], _1502014)
   Call: (192) [system] compound([->, _premise1, _premise2, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _conclusion], _1506650)
   Call: (193) [system] compound([_premise1, _premise2, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _conclusion])
^  Call: (193) [user] s2t(_premise1, _1509430)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1509430)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _conclusion], _1509432)
   Call: (194) [system] compound([_premise2, _conclusion])
   Exit: (194) [system] compound([_premise2, _conclusion])
^  Call: (194) [user] s2t(_premise2, _1520544)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1520544)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_conclusion], _1520546)
   Call: (195) [system] compound([_conclusion])
   Exit: (195) [system] compound([_conclusion])
^  Call: (195) [user] s2t(_conclusion, _1531658)
   Call: (196) [system] compound(_conclusion)
   Exit: (196) [system] compound(_conclusion)
   Call: (196) [system] is_list(_conclusion)
^  Call: (196) [user] s2tl(_conclusion, _1531658)
   Call: (197) [system] compound(_conclusion)
   Exit: (197) [system] compound(_conclusion)
^  Exit: (196) [user] s2tl(_conclusion, _conclusion)
^  Exit: (195) [user] s2t(_conclusion, _conclusion)
^  Call: (195) [user] s2tl([], _1531660)
   Call: (196) [system] compound([])
   Call: (196) [system] []=_1531660
   Exit: (196) [system] []=[]
^  Exit: (195) [user] s2tl([], [])
^  Exit: (194) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (193) [user] s2tl([_premise2, _conclusion], [_premise2, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _conclusion], [_premise1, _premise2, _conclusion])
   Call: (192) [system] _1502014=..[->, [_premise1, _premise2, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _conclusion])=..[->, [_premise1, _premise2, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _conclusion], ->([_premise1, _premise2, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _1502016, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _conclusion]], [->([_premise1, _premise2, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _conclusion]], [_ructor, ->([_premise1, _premise2, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _conclusion])])
   Call: (187) [system] compound_name_arguments(_1477878, t, [:, _ructor, ->([_premise1, _premise2, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _1477880, user:s2t)
^  Call: (187) [user] s2t([_rb], _1559546)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _1566958)
   Call: (189) [apply] apply:maplist_([_rb], _1566958, user:s2t)
^  Call: (190) [user] s2t(_rb, _1568838)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _1568838)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _1568840, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_1559546, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _1559548, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_1468586, t, [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1468588, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2], _conclusion], _query], _1592102)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2], _conclusion], _query], _1599514)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2], _conclusion], _query], _1599514, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2], _conclusion], _1601394)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2], _conclusion], _1608806)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2], _conclusion], _1608806, user:s2t)
^  Call: (190) [user] s2t(:, _1610686)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1610686
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2], _conclusion], _1610688, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2], _1616260)
   Call: (192) [system] compound([_ructor, _proof1, _proof2])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2], _1623672)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2], _1623672, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1625552)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1625552)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2], _1625554, user:s2t)
^  Call: (195) [user] s2t(_proof1, _1634822)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _1634822)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2], _1634824, user:s2t)
^  Call: (196) [user] s2t(_proof2, _1644092)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _1644092)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([], _1644094, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2], [_proof2], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2], [_proof1, _proof2], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2], [_ructor, _proof1, _proof2], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2], [_ructor, _proof1, _proof2])
   Call: (192) [system] compound_name_arguments(_1616260, t, [_ructor, _proof1, _proof2])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2), t, [_ructor, _proof1, _proof2])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2], t(_ructor, _proof1, _proof2))
   Call: (191) [apply] apply:maplist_([_conclusion], _1616262, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1661760)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1661760)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1661762, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2], _conclusion], [t(_ructor, _proof1, _proof2), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2], _conclusion], [:, t(_ructor, _proof1, _proof2), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2], _conclusion], [:, t(_ructor, _proof1, _proof2), _conclusion])
   Call: (188) [system] compound_name_arguments(_1601394, t, [:, t(_ructor, _proof1, _proof2), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2), _conclusion), t, [:, t(_ructor, _proof1, _proof2), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2], _conclusion], t(:, t(_ructor, _proof1, _proof2), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1601396, user:s2t)
^  Call: (188) [user] s2t(_query, _1679428)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1679428)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1679430, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1592102, t, [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1592104, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1696162)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1703574)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1703574, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _1705454)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1712866)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _1712866, user:s2t)
^  Call: (191) [user] s2t(:, _1714746)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1714746
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _1714748, user:s2t)
^  Call: (192) [user] s2t(_proof1, _1720320)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _1720320)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _1720322, user:s2t)
^  Call: (193) [user] s2t(_premise1, _1729590)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1729590)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _1729592, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_1705454, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1705456, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1747258)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1754670)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1754670, user:s2t)
^  Call: (192) [user] s2t(synthesize, _1756550)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_1756550
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _1756552, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _1762124)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1769536)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _1769536, user:s2t)
^  Call: (196) [user] s2t(:, _1771416)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_1771416
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _1771418, user:s2t)
^  Call: (197) [user] s2t(_proof1, _1776990)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _1776990)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _1776992, user:s2t)
^  Call: (198) [user] s2t(_premise1, _1786260)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _1786260)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _1786262, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_1762124, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _1762126, user:s2t)
^  Call: (194) [user] s2t(_kb, _1803928)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _1803928)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _1803930, user:s2t)
^  Call: (195) [user] s2t(_rb, _1813198)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _1813198)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _1813200, user:s2t)
^  Call: (196) [user] s2t(_k, _1822468)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _1822468)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _1822470, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1747258, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1747260, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1696162, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _1696164, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1849468)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1856880)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1856880, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _1858760)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1866172)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _1866172, user:s2t)
^  Call: (192) [user] s2t(:, _1868052)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_1868052
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _1868054, user:s2t)
^  Call: (193) [user] s2t(_proof2, _1873626)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _1873626)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _1873628, user:s2t)
^  Call: (194) [user] s2t(_premise2, _1882896)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1882896)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _1882898, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_1858760, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1858762, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1900564)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1907976)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1907976, user:s2t)
^  Call: (193) [user] s2t(synthesize, _1909856)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_1909856
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _1909858, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _1915430)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1922842)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _1922842, user:s2t)
^  Call: (197) [user] s2t(:, _1924722)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_1924722
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _1924724, user:s2t)
^  Call: (198) [user] s2t(_proof2, _1930296)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _1930296)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _1930298, user:s2t)
^  Call: (199) [user] s2t(_premise2, _1939566)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _1939566)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _1939568, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_1915430, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _1915432, user:s2t)
^  Call: (195) [user] s2t(_kb, _1957234)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _1957234)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _1957236, user:s2t)
^  Call: (196) [user] s2t(_rb, _1966504)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _1966504)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _1966506, user:s2t)
^  Call: (197) [user] s2t(_k, _1975774)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _1975774)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _1975776, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_1900564, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _1900566, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_1849468, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([], _1849470, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_1459294, t, [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _1459296, user:s2t)
^  Call: (181) [user] s2t(_query, _2012106)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _2012106)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _2012108, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_1444428, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _1444430)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_1444430
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)], _2037196)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Call: (173) [system] _2037196=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)])
   Call: (172) [system] _2042758=..[nthesize_long_1726792630_1772065, 112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
   Exit: (172) [system] nthesize_long_1726792630_1772065(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))=..[nthesize_long_1726792630_1772065, 112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065(112, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 112)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]]), 112]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 21, 21+1), write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 112)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 113)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 113))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 113))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _2067950)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _2075372)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _2083710)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _2086496=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _2088364, _2088366, _2088368, _2088370), read_sexpr((0x56051b6b4f40), _2088382), assertz(metta_file_comment(_2088364, _2088366, _2088368, _2088382, _2088370))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _2088364, _2088366, _2088368, _2088370)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_2088370))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_2088370))
   Exit: (181) [system] nonvar(position(_2088370))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4640, 114, 0, 4640)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4640, 114, 0, 4640), _2088364)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _5138)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4640, 114, 0, 4640), _3304)
   Exit: (181) [system] arg(2, '$stream_position'(4640, 114, 0, 4640), 114)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4640, 114, 0, 4640), 114)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4640, 114, 0, 4640), _3306)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _12572)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4640, 114, 0, 4640), _3306)
   Exit: (181) [system] arg(3, '$stream_position'(4640, 114, 0, 4640), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4640, 114, 0, 4640), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4640, 114, 0, 4640), _3308)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _20006)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4640, 114, 0, 4640), _3308)
   Exit: (181) [system] arg(1, '$stream_position'(4640, 114, 0, 4640), 4640)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4640, 114, 0, 4640), 4640)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 114, 0, 4640, '$stream_position'(4640, 114, 0, 4640))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _3322)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _3322)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _29308)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _37776)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _3322)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _43346)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _51814)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _55528)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _57386)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _65854)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _55528)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _76072)
   Call: (185) [system] peek_char((0x56051b6b4f40), _77006)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _76072=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _55528)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_86316, _86318), once(user:catch(read_from_chars([=], _55528), _86292, fail)), '$restore_trace'(_86316, _86318))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_86316, _86318))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _86292, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _93816)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _95674)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _102484)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _105188)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _114580)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _118294)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _120152)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _128620)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _118294)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _134190)
   Exit: (186) [system] peek_char((0x56051b6b4f40), r)
   Call: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _142658)
   Exit: (185) [system] peek_char((0x56051b6b4f40), r)
   Call: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _146372)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _148230)
   Exit: (187) [system] peek_char((0x56051b6b4f40), r)
   Call: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _156698)
   Exit: (186) [system] get_char((0x56051b6b4f40), r)
   Call: (186) [system] r='('
   Call: (186) [system] r='['
   Call: (186) [system] r='{'
   Call: (186) [system] r='"'
   Call: (186) [system] r=!
   Call: (186) [system] r='\''
   Call: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, _146372)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _166916)
   Call: (188) [system] peek_char((0x56051b6b4f40), _167850)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_171642, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _176212)
   Call: (189) [system] peek_char((0x56051b6b4f40), _177146)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_180938, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _176212=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _166916=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _146372)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_190194, _190196), once(user:catch(read_from_chars([r, b], _146372), _190170, fail)), '$restore_trace'(_190194, _190196))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_190194, _190196))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _190170, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _197694)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _199552)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _208020)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _211810)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _197694=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _118294=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [rb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _220104)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _221962)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _228772)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _231476)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _240868)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _244582)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _246440)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _254908)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _244582)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _260478)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _268946)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _272660)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _274518)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _282986)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _272660)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293204)
   Call: (189) [system] peek_char((0x56051b6b4f40), _294138)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _293204=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _272660)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_303448, _303450), once(user:catch(read_from_chars([:], _272660), _303424, fail)), '$restore_trace'(_303448, _303450))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_303448, _303450))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _303424, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _310948)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _312806)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _319616)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _322320)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _331712)
   Exit: (187) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _335426)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _337284)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _345752)
   Exit: (188) [system] get_char((0x56051b6b4f40), 'C')
   Call: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _335426)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _355970)
   Call: (190) [system] peek_char((0x56051b6b4f40), _356904)
   Exit: (190) [system] peek_char((0x56051b6b4f40), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_360696, v('(', ')', end_of_file), o)
   Call: (190) [system] ')'==o
   Call: (190) [system] get_char((0x56051b6b4f40), o)
   Exit: (190) [system] get_char((0x56051b6b4f40), o)
   Call: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _365266)
   Call: (191) [system] peek_char((0x56051b6b4f40), _366200)
   Exit: (191) [system] peek_char((0x56051b6b4f40), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_369992, v('(', ')', end_of_file), n)
   Call: (191) [system] ')'==n
   Call: (191) [system] get_char((0x56051b6b4f40), n)
   Exit: (191) [system] get_char((0x56051b6b4f40), n)
   Call: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _374562)
   Call: (192) [system] peek_char((0x56051b6b4f40), _375496)
   Exit: (192) [system] peek_char((0x56051b6b4f40), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_379288, v('(', ')', end_of_file), j)
   Call: (192) [system] ')'==j
   Call: (192) [system] get_char((0x56051b6b4f40), j)
   Exit: (192) [system] get_char((0x56051b6b4f40), j)
   Call: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _383858)
   Call: (193) [system] peek_char((0x56051b6b4f40), _384792)
   Exit: (193) [system] peek_char((0x56051b6b4f40), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_388584, v('(', ')', end_of_file), u)
   Call: (193) [system] ')'==u
   Call: (193) [system] get_char((0x56051b6b4f40), u)
   Exit: (193) [system] get_char((0x56051b6b4f40), u)
   Call: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _393154)
   Call: (194) [system] peek_char((0x56051b6b4f40), _394088)
   Exit: (194) [system] peek_char((0x56051b6b4f40), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_397880, v('(', ')', end_of_file), n)
   Call: (194) [system] ')'==n
   Call: (194) [system] get_char((0x56051b6b4f40), n)
   Exit: (194) [system] get_char((0x56051b6b4f40), n)
   Call: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _402450)
   Call: (195) [system] peek_char((0x56051b6b4f40), _403384)
   Exit: (195) [system] peek_char((0x56051b6b4f40), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_407176, v('(', ')', end_of_file), c)
   Call: (195) [system] ')'==c
   Call: (195) [system] get_char((0x56051b6b4f40), c)
   Exit: (195) [system] get_char((0x56051b6b4f40), c)
   Call: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _411746)
   Call: (196) [system] peek_char((0x56051b6b4f40), _412680)
   Exit: (196) [system] peek_char((0x56051b6b4f40), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_416472, v('(', ')', end_of_file), t)
   Call: (196) [system] ')'==t
   Call: (196) [system] get_char((0x56051b6b4f40), t)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _421042)
   Call: (197) [system] peek_char((0x56051b6b4f40), _421976)
   Exit: (197) [system] peek_char((0x56051b6b4f40), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_425768, v('(', ')', end_of_file), i)
   Call: (197) [system] ')'==i
   Call: (197) [system] get_char((0x56051b6b4f40), i)
   Exit: (197) [system] get_char((0x56051b6b4f40), i)
   Call: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _430338)
   Call: (198) [system] peek_char((0x56051b6b4f40), _431272)
   Exit: (198) [system] peek_char((0x56051b6b4f40), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_435064, v('(', ')', end_of_file), o)
   Call: (198) [system] ')'==o
   Call: (198) [system] get_char((0x56051b6b4f40), o)
   Exit: (198) [system] get_char((0x56051b6b4f40), o)
   Call: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _439634)
   Call: (199) [system] peek_char((0x56051b6b4f40), _440568)
   Exit: (199) [system] peek_char((0x56051b6b4f40), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_444360, v('(', ')', end_of_file), n)
   Call: (199) [system] ')'==n
   Call: (199) [system] get_char((0x56051b6b4f40), n)
   Exit: (199) [system] get_char((0x56051b6b4f40), n)
   Call: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _448930)
   Call: (200) [system] peek_char((0x56051b6b4f40), _449864)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'E')
^  Call: (200) [user] is_delimiter('E')
   Call: (201) [system] char_type('E', space)
   Call: (201) [system] arg(_453656, v('(', ')', end_of_file), 'E')
   Call: (200) [system] ')'=='E'
   Call: (200) [system] get_char((0x56051b6b4f40), 'E')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'E')
   Call: (200) [system] 'E'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _458226)
   Call: (201) [system] peek_char((0x56051b6b4f40), _459160)
   Exit: (201) [system] peek_char((0x56051b6b4f40), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_462952, v('(', ')', end_of_file), l)
   Call: (201) [system] ')'==l
   Call: (201) [system] get_char((0x56051b6b4f40), l)
   Exit: (201) [system] get_char((0x56051b6b4f40), l)
   Call: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _467522)
   Call: (202) [system] peek_char((0x56051b6b4f40), _468456)
   Exit: (202) [system] peek_char((0x56051b6b4f40), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_472248, v('(', ')', end_of_file), i)
   Call: (202) [system] ')'==i
   Call: (202) [system] get_char((0x56051b6b4f40), i)
   Exit: (202) [system] get_char((0x56051b6b4f40), i)
   Call: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _476818)
   Call: (203) [system] peek_char((0x56051b6b4f40), _477752)
   Exit: (203) [system] peek_char((0x56051b6b4f40), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_481544, v('(', ')', end_of_file), m)
   Call: (203) [system] ')'==m
   Call: (203) [system] get_char((0x56051b6b4f40), m)
   Exit: (203) [system] get_char((0x56051b6b4f40), m)
   Call: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _486114)
   Call: (204) [system] peek_char((0x56051b6b4f40), _487048)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_490840, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _495410)
   Call: (205) [system] peek_char((0x56051b6b4f40), _496344)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_500136, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _504706)
   Call: (206) [system] peek_char((0x56051b6b4f40), _505640)
   Exit: (206) [system] peek_char((0x56051b6b4f40), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_509432, v('(', ')', end_of_file), a)
   Call: (206) [system] ')'==a
   Call: (206) [system] get_char((0x56051b6b4f40), a)
   Exit: (206) [system] get_char((0x56051b6b4f40), a)
   Call: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _514002)
   Call: (207) [system] peek_char((0x56051b6b4f40), _514936)
   Exit: (207) [system] peek_char((0x56051b6b4f40), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_518728, v('(', ')', end_of_file), t)
   Call: (207) [system] ')'==t
   Call: (207) [system] get_char((0x56051b6b4f40), t)
   Exit: (207) [system] get_char((0x56051b6b4f40), t)
   Call: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _523298)
   Call: (208) [system] peek_char((0x56051b6b4f40), _524232)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_528024, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _532594)
   Call: (209) [system] peek_char((0x56051b6b4f40), _533528)
   Exit: (209) [system] peek_char((0x56051b6b4f40), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_537320, v('(', ')', end_of_file), o)
   Call: (209) [system] ')'==o
   Call: (209) [system] get_char((0x56051b6b4f40), o)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _541890)
   Call: (210) [system] peek_char((0x56051b6b4f40), _542824)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_546616, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _551186)
   Call: (211) [system] peek_char((0x56051b6b4f40), _552120)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_555912, v('(', ')', end_of_file), 'L')
   Call: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'L')
   Call: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _560482)
   Call: (212) [system] peek_char((0x56051b6b4f40), _561416)
   Exit: (212) [system] peek_char((0x56051b6b4f40), e)
^  Call: (212) [user] is_delimiter(e)
   Call: (213) [system] char_type(e, space)
   Call: (213) [system] arg(_565208, v('(', ')', end_of_file), e)
   Call: (212) [system] ')'==e
   Call: (212) [system] get_char((0x56051b6b4f40), e)
   Exit: (212) [system] get_char((0x56051b6b4f40), e)
   Call: (212) [system] e=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _569778)
   Call: (213) [system] peek_char((0x56051b6b4f40), _570712)
   Exit: (213) [system] peek_char((0x56051b6b4f40), f)
^  Call: (213) [user] is_delimiter(f)
   Call: (214) [system] char_type(f, space)
   Call: (214) [system] arg(_574504, v('(', ')', end_of_file), f)
   Call: (213) [system] ')'==f
   Call: (213) [system] get_char((0x56051b6b4f40), f)
   Exit: (213) [system] get_char((0x56051b6b4f40), f)
   Call: (213) [system] f=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _579074)
   Call: (214) [system] peek_char((0x56051b6b4f40), _580008)
   Exit: (214) [system] peek_char((0x56051b6b4f40), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_583800, v('(', ')', end_of_file), t)
   Call: (214) [system] ')'==t
   Call: (214) [system] get_char((0x56051b6b4f40), t)
   Exit: (214) [system] get_char((0x56051b6b4f40), t)
   Call: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _588370)
   Call: (215) [system] peek_char((0x56051b6b4f40), _589304)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _588370=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _579074=[t]
   Exit: (214) [system] [t]=[t]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (213) [system] _569778=[f, t]
   Exit: (213) [system] [f, t]=[f, t]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [f, t])
   Call: (212) [system] _560482=[e, f, t]
   Exit: (212) [system] [e, f, t]=[e, f, t]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, f, t])
   Call: (211) [system] _551186=['L', e, f, t]
   Exit: (211) [system] ['L', e, f, t]=['L', e, f, t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', e, f, t])
   Call: (210) [system] _541890=[n, 'L', e, f, t]
   Exit: (210) [system] [n, 'L', e, f, t]=[n, 'L', e, f, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'L', e, f, t])
   Call: (209) [system] _532594=[o, n, 'L', e, f, t]
   Exit: (209) [system] [o, n, 'L', e, f, t]=[o, n, 'L', e, f, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'L', e, f, t])
   Call: (208) [system] _523298=[i, o, n, 'L', e, f, t]
   Exit: (208) [system] [i, o, n, 'L', e, f, t]=[i, o, n, 'L', e, f, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'L', e, f, t])
   Call: (207) [system] _514002=[t, i, o, n, 'L', e, f, t]
   Exit: (207) [system] [t, i, o, n, 'L', e, f, t]=[t, i, o, n, 'L', e, f, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'L', e, f, t])
   Call: (206) [system] _504706=[a, t, i, o, n, 'L', e, f, t]
   Exit: (206) [system] [a, t, i, o, n, 'L', e, f, t]=[a, t, i, o, n, 'L', e, f, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n, 'L', e, f, t])
   Call: (205) [system] _495410=[n, a, t, i, o, n, 'L', e, f, t]
   Exit: (205) [system] [n, a, t, i, o, n, 'L', e, f, t]=[n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, a, t, i, o, n, 'L', e, f, t])
   Call: (204) [system] _486114=[i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (204) [system] [i, n, a, t, i, o, n, 'L', e, f, t]=[i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (203) [system] _476818=[m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (203) [system] [m, i, n, a, t, i, o, n, 'L', e, f, t]=[m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (202) [system] _467522=[i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (202) [system] [i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (201) [system] _458226=[l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (201) [system] [l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (200) [system] _448930=['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (200) [system] ['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (199) [system] _439634=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (199) [system] [n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (198) [system] _430338=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (198) [system] [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (197) [system] _421042=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (197) [system] [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (196) [system] _411746=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (196) [system] [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (195) [system] _402450=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (195) [system] [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (194) [system] _393154=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (194) [system] [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (193) [system] _383858=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (192) [system] _374562=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (191) [system] _365266=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Call: (190) [system] _355970=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
^  Call: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _335426)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_668464, _668466), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _335426), _668440, fail)), '$restore_trace'(_668464, _668466))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_668464, _668466))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], _335426), _668440, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_335426)
   Call: (190) [system] atom_chars(_335426, ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
   Exit: (190) [system] atom_chars('ConjunctionEliminationLeft', ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t])
^  Exit: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'L', e, f, t], 'ConjunctionEliminationLeft')
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionEliminationLeft')
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionEliminationLeft')
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _676916)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _678774)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _685584)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _688288)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _697680)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _701394)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _703252)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _711720)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _701394)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _717290)
   Exit: (191) [system] peek_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _725758)
   Exit: (190) [system] peek_char((0x56051b6b4f40), -)
   Call: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _729472)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _731330)
   Exit: (192) [system] peek_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _739798)
   Exit: (191) [system] get_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, _729472)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _750016)
   Call: (193) [system] peek_char((0x56051b6b4f40), _750950)
   Exit: (193) [system] peek_char((0x56051b6b4f40), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_754742, v('(', ')', end_of_file), >)
   Call: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x56051b6b4f40), >)
   Exit: (193) [system] get_char((0x56051b6b4f40), >)
   Call: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _759312)
   Call: (194) [system] peek_char((0x56051b6b4f40), _760246)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _759312=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _750016=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _729472)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_772350, _772352), once(user:catch(read_from_chars([-, >], _729472), _772326, fail)), '$restore_trace'(_772350, _772352))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_772350, _772352))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _772326, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _779850)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _781708)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _788518)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _791222)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _800614)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _804328)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _806186)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _814654)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _804328)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _820224)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (194) [system] 'A'=(;)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _828692)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _832406)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _834264)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (195) [system] 'A'=(;)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _842732)
   Exit: (194) [system] get_char((0x56051b6b4f40), 'A')
   Call: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _832406)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _852950)
   Call: (196) [system] peek_char((0x56051b6b4f40), _853884)
   Exit: (196) [system] peek_char((0x56051b6b4f40), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_857676, v('(', ')', end_of_file), n)
   Call: (196) [system] ')'==n
   Call: (196) [system] get_char((0x56051b6b4f40), n)
   Exit: (196) [system] get_char((0x56051b6b4f40), n)
   Call: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _862246)
   Call: (197) [system] peek_char((0x56051b6b4f40), _863180)
   Exit: (197) [system] peek_char((0x56051b6b4f40), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_866972, v('(', ')', end_of_file), d)
   Call: (197) [system] ')'==d
   Call: (197) [system] get_char((0x56051b6b4f40), d)
   Exit: (197) [system] get_char((0x56051b6b4f40), d)
   Call: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _871542)
   Call: (198) [system] peek_char((0x56051b6b4f40), _872476)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_876268, v('(', ')', end_of_file), 'L')
   Call: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (198) [system] get_char((0x56051b6b4f40), 'L')
   Call: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _880838)
   Call: (199) [system] peek_char((0x56051b6b4f40), _881772)
   Exit: (199) [system] peek_char((0x56051b6b4f40), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_885564, v('(', ')', end_of_file), i)
   Call: (199) [system] ')'==i
   Call: (199) [system] get_char((0x56051b6b4f40), i)
   Exit: (199) [system] get_char((0x56051b6b4f40), i)
   Call: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _890134)
   Call: (200) [system] peek_char((0x56051b6b4f40), _891068)
   Exit: (200) [system] peek_char((0x56051b6b4f40), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_894860, v('(', ')', end_of_file), n)
   Call: (200) [system] ')'==n
   Call: (200) [system] get_char((0x56051b6b4f40), n)
   Exit: (200) [system] get_char((0x56051b6b4f40), n)
   Call: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _899430)
   Call: (201) [system] peek_char((0x56051b6b4f40), _900364)
   Exit: (201) [system] peek_char((0x56051b6b4f40), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_904156, v('(', ')', end_of_file), k)
   Call: (201) [system] ')'==k
   Call: (201) [system] get_char((0x56051b6b4f40), k)
   Exit: (201) [system] get_char((0x56051b6b4f40), k)
   Call: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _908726)
   Call: (202) [system] peek_char((0x56051b6b4f40), _909660)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _908726=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (201) [system] _899430=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (200) [system] _890134=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (199) [system] _880838=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (198) [system] _871542=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (197) [system] _862246=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (196) [system] _852950=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _832406)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_935734, _935736), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _832406), _935710, fail)), '$restore_trace'(_935734, _935736))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_935734, _935736))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _832406), _935710, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_832406)
   Call: (196) [system] atom_chars(_832406, ['A', n, d, 'L', i, n, k])
   Exit: (196) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _944186)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _946044)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _952854)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _955558)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _964950)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _968664)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _970522)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _978990)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _968664)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _989208)
   Call: (197) [system] peek_char((0x56051b6b4f40), _990142)
   Exit: (197) [system] peek_char((0x56051b6b4f40), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_993934, v('(', ')', end_of_file), p)
   Call: (197) [system] ')'==p
   Call: (197) [system] get_char((0x56051b6b4f40), p)
   Exit: (197) [system] get_char((0x56051b6b4f40), p)
   Call: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _998504)
   Call: (198) [system] peek_char((0x56051b6b4f40), _999438)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _998504=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (197) [system] _989208=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _968664)
   Call: (197) [system] atom_chars(_1011516, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1016180)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1018038)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1024848)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1027552)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1036944)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1040658)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1042516)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1050984)
   Exit: (196) [system] get_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _1040658)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1061202)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1062136)
   Exit: (198) [system] peek_char((0x56051b6b4f40), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_1065928, v('(', ')', end_of_file), q)
   Call: (198) [system] ')'==q
   Call: (198) [system] get_char((0x56051b6b4f40), q)
   Exit: (198) [system] get_char((0x56051b6b4f40), q)
   Call: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1070498)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1071432)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_1075224, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _1070498=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1061202=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _1040658)
   Call: (198) [system] atom_chars(_1084454, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1089118)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1090976)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1099444)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _1103234)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _1089118=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1016180=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (194) [system] _944186=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_p, _q])
   Call: (193) [system] _804328=['AndLink', _p, _q]
   Exit: (193) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), ['AndLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1117116)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1118974)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1125784)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1128488)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1137880)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1141594)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1143452)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1151920)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _1141594)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1162138)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1163072)
   Exit: (195) [system] peek_char((0x56051b6b4f40), p)
^  Call: (195) [user] is_delimiter(p)
   Call: (196) [system] char_type(p, space)
   Call: (196) [system] arg(_1166864, v('(', ')', end_of_file), p)
   Call: (195) [system] ')'==p
   Call: (195) [system] get_char((0x56051b6b4f40), p)
   Exit: (195) [system] get_char((0x56051b6b4f40), p)
   Call: (195) [system] p=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1171434)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1172368)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1176160, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1171434=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _1162138=[p]
   Exit: (195) [system] [p]=[p]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (194) [user] classify_and_convert_charseq($, [p], _1141594)
   Call: (195) [system] atom_chars(_1185390, ['_', p])
   Exit: (195) [system] atom_chars('_p', ['_', p])
^  Exit: (194) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1190054)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1191912)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1200380)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _1204170)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _1190054=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _1117116=[_p]
   Exit: (192) [system] [_p]=[_p]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_p])
   Call: (191) [system] _779850=[['AndLink', _p, _q], _p]
   Exit: (191) [system] [['AndLink', _p, _q], _p]=[['AndLink', _p, _q], _p]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [['AndLink', _p, _q], _p])
   Call: (190) [system] _701394=[->, ['AndLink', _p, _q], _p]
   Exit: (190) [system] [->, ['AndLink', _p, _q], _p]=[->, ['AndLink', _p, _q], _p]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [->, ['AndLink', _p, _q], _p])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), [->, ['AndLink', _p, _q], _p])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1218052)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1219910)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1228378)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _1232168)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _1218052=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _676916=[[->, ['AndLink', _p, _q], _p]]
   Exit: (188) [system] [[->, ['AndLink', _p, _q], _p]]=[[->, ['AndLink', _p, _q], _p]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [[->, ['AndLink', _p, _q], _p]])
   Call: (187) [system] _310948=['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
   Exit: (187) [system] ['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]=['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
   Call: (186) [system] _244582=[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
   Exit: (186) [system] [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]=[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1246050)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1247908)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1256376)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _1260166)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _1246050=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _220104=[[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (184) [system] [[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
   Call: (183) [system] _93816=[[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]=[=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]])
^  Call: (179) [user] assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))
^  Exit: (179) [user] assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 114, 0, 4640, '$stream_position'(4640, 114, 0, 4640)), read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]]), assertz(metta_file_comment(114, 0, 4640, [=, [rb], [:, 'ConjunctionEliminationLeft', [->, ['AndLink', _p, _q], _p]]], '$stream_position'(4640, 114, 0, 4640)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_1278684, _1278686, _1278688, _1278690, _1278692))
^  Exit: (177) [user] retract(metta_file_comment(66, 0, 2300, '$COMMENT'(";; Trinary rule", 66, 0), '$stream_position'(2300, 66, 0, 2300)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _1281520))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), _1281520)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Trinary rule", 66, 0), _1281520)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _1284336))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _1284336))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _1284336)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _1287136))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), _1287136)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Trinary rule", 66, 0), _1287136)
   Call: (187) [system] var('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] atom('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==true
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==false
   Call: (187) [system] '$COMMENT'(";; Trinary rule", 66, 0)==[_1293656, _1293662]
   Call: (187) [system] is_list('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] string('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] compound('$COMMENT'(";; Trinary rule", 66, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Trinary rule", 66, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), _1298290, _1298292)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT', [";; Trinary rule", 66, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Trinary rule", 66, 0], _1302032)
   Call: (188) [apply] apply:maplist_([";; Trinary rule", 66, 0], _1302032, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Trinary rule", _1303912)
   Call: (190) [system] var(";; Trinary rule")
   Call: (190) [system] atom(";; Trinary rule")
   Call: (190) [system] ";; Trinary rule"==true
   Call: (190) [system] ";; Trinary rule"==false
   Call: (190) [system] ";; Trinary rule"==[_1308554, _1308560]
   Call: (190) [system] is_list(";; Trinary rule")
   Call: (190) [system] string(";; Trinary rule")
   Exit: (190) [system] string(";; Trinary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Trinary rule")
^  Call: (190) [user] symbol(";; Trinary rule")
   Call: (191) [system] atom(";; Trinary rule")
   Fail: (191) [system] atom(";; Trinary rule")
^  Fail: (190) [user] symbol(";; Trinary rule")
   Call: (190) [system] ";; Trinary rule"=_1303912
   Exit: (190) [system] ";; Trinary rule"=";; Trinary rule"
^  Exit: (189) [user] mfix_vars1(";; Trinary rule", ";; Trinary rule")
   Call: (189) [apply] apply:maplist_([66, 0], _1303914, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(66, _1322434)
   Call: (191) [system] var(66)
   Call: (191) [system] atom(66)
   Call: (191) [system] 66==true
   Call: (191) [system] 66==false
   Call: (191) [system] 66==[_1327076, _1327082]
   Call: (191) [system] is_list(66)
   Call: (191) [system] string(66)
   Call: (191) [system] compound(66)
^  Call: (191) [user] symbol(66)
   Call: (192) [system] atom(66)
   Fail: (192) [system] atom(66)
^  Fail: (191) [user] symbol(66)
   Call: (191) [system] 66=_1322434
   Exit: (191) [system] 66=66
^  Exit: (190) [user] mfix_vars1(66, 66)
   Call: (190) [apply] apply:maplist_([0], _1322436, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1338200)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1342842, _1342848]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1338200
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1338202, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([66, 0], [66, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Trinary rule", 66, 0], [";; Trinary rule", 66, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Trinary rule", 66, 0], [";; Trinary rule", 66, 0])
   Call: (187) [system] compound_name_arguments(_1287136, '$COMMENT', [";; Trinary rule", 66, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT', [";; Trinary rule", 66, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _1367018))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _1367018))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _1367018)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _1369818))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), _1369818)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Trinary rule", 66, 0), _1369818)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _1281520))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _1281520))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _1281520)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _1383776))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), _1383776)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Trinary rule", 66, 0), _1383776)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (184) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (178) [system] '$COMMENT'(";; Trinary rule", 66, 0)\=@='$COMMENT'(";; Trinary rule", 66, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Trinary rule", 66, 0), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Trinary rule", 66, 0)))
   Call: (169) [system] '$COMMENT'(";; Trinary rule", 66, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Trinary rule", 66, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Trinary rule", 66, 0), nthesize_long_1726792630_1772065, 113)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792639.415097)
   Call: (173) [system] arg(1, t(1726792638.6715405), _3148)
   Exit: (173) [system] arg(1, t(1726792638.6715405), 1726792638.6715405)
   Call: (173) [system] _3158 is 1726792639.415097-1726792638.6715405
   Exit: (173) [system] 0.7435564994812012 is 1726792639.415097-1726792638.6715405
   Call: (173) [system] 0.7435564994812012>4
   Fail: (173) [system] 0.7435564994812012>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 22)
   Call: (175) [system] atom(22+1)
   Call: (175) [system] set_flag(translated_forms, 23)
   Exit: (175) [system] set_flag(translated_forms, 23)
   Exit: (174) [$syspreds] update_flag(translated_forms, 22, 22+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 22, 22+1))
   Exit: (171) [$syspreds] flag(translated_forms, 22, 22+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Trinary rule", 66, 0), nthesize_long_1726792630_1772065, 113)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Trinary rule"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Trinary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Trinary rule", 66, 0), nthesize_long_1726792630_1772065, 113)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Trinary rule", 66, 0)), 113]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 22, 22+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Trinary rule", 66, 0), nthesize_long_1726792630_1772065, 113)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 114)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 114))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 114))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1458560)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1465982)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1474320)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1477106=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _1478974, _1478976, _1478978, _1478980), read_sexpr((0x56051b6b4f40), _1478992), assertz(metta_file_comment(_1478974, _1478976, _1478978, _1478992, _1478980))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _1478974, _1478976, _1478978, _1478980)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_1478980))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_1478980))
   Exit: (181) [system] nonvar(position(_1478980))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4704, 115, 0, 4704)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4704, 115, 0, 4704), _1478974)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1489232)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4704, 115, 0, 4704), _1478974)
   Exit: (181) [system] arg(2, '$stream_position'(4704, 115, 0, 4704), 115)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4704, 115, 0, 4704), 115)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4704, 115, 0, 4704), _1478976)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1496666)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4704, 115, 0, 4704), _1478976)
   Exit: (181) [system] arg(3, '$stream_position'(4704, 115, 0, 4704), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4704, 115, 0, 4704), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4704, 115, 0, 4704), _1478978)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1504100)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4704, 115, 0, 4704), _1478978)
   Exit: (181) [system] arg(1, '$stream_position'(4704, 115, 0, 4704), 4704)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4704, 115, 0, 4704), 4704)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 115, 0, 4704, '$stream_position'(4704, 115, 0, 4704))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _1478992)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1478992)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1513402)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1521870)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1478992)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1527440)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1535908)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1539622)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1541480)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1549948)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _1539622)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1560166)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1561100)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1560166=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1539622)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1570410, _1570412), once(user:catch(read_from_chars([=], _1539622), _1570386, fail)), '$restore_trace'(_1570410, _1570412))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1570410, _1570412))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1570386, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1577910)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1579768)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1586578)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1589282)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1598674)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1602388)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1604246)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1612714)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1602388)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1618284)
   Exit: (186) [system] peek_char((0x56051b6b4f40), r)
   Call: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1626752)
   Exit: (185) [system] peek_char((0x56051b6b4f40), r)
   Call: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1630466)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1632324)
   Exit: (187) [system] peek_char((0x56051b6b4f40), r)
   Call: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1640792)
   Exit: (186) [system] get_char((0x56051b6b4f40), r)
   Call: (186) [system] r='('
   Call: (186) [system] r='['
   Call: (186) [system] r='{'
   Call: (186) [system] r='"'
   Call: (186) [system] r=!
   Call: (186) [system] r='\''
   Call: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, _1630466)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1651010)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1651944)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1655736, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1660306)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1661240)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1665032, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1660306=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _1651010=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _1630466)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1674288, _1674290), once(user:catch(read_from_chars([r, b], _1630466), _1674264, fail)), '$restore_trace'(_1674288, _1674290))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1674288, _1674290))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1674264, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1681788)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1683646)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1692114)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _1695904)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _1681788=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _1602388=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [rb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _1704198)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1706056)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _1712866)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1715570)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1724962)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _1728676)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1730534)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _1739002)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1728676)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1744572)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1753040)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1756754)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1758612)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1767080)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _1756754)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1777298)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1778232)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _1777298=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _1756754)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_1787542, _1787544), once(user:catch(read_from_chars([:], _1756754), _1787518, fail)), '$restore_trace'(_1787542, _1787544))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_1787542, _1787544))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1787518, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _1795042)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1796900)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1803710)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1806414)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1815806)
   Exit: (187) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (187) [system] 'C'=')'
   Call: (187) [system] 'C'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _1819520)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1821378)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (189) [system] 'C'=(;)
^  Call: (189) [user] is_like_space('C')
   Call: (190) [system] char_type('C', 'white')
   Call: (190) [system] char_type('C', end_of_line)
   Call: (190) [system] char_type('C', space)
   Call: (190) [system] char_type('C', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _1829846)
   Exit: (188) [system] get_char((0x56051b6b4f40), 'C')
   Call: (188) [system] 'C'='('
   Call: (188) [system] 'C'='['
   Call: (188) [system] 'C'='{'
   Call: (188) [system] 'C'='"'
   Call: (188) [system] 'C'=!
   Call: (188) [system] 'C'='\''
   Call: (188) [system] 'C'='`'
   Call: (188) [system] 'C'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1819520)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1840064)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1840998)
   Exit: (190) [system] peek_char((0x56051b6b4f40), o)
^  Call: (190) [user] is_delimiter(o)
   Call: (191) [system] char_type(o, space)
   Call: (191) [system] arg(_1844790, v('(', ')', end_of_file), o)
   Call: (190) [system] ')'==o
   Call: (190) [system] get_char((0x56051b6b4f40), o)
   Exit: (190) [system] get_char((0x56051b6b4f40), o)
   Call: (190) [system] o=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1849360)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1850294)
   Exit: (191) [system] peek_char((0x56051b6b4f40), n)
^  Call: (191) [user] is_delimiter(n)
   Call: (192) [system] char_type(n, space)
   Call: (192) [system] arg(_1854086, v('(', ')', end_of_file), n)
   Call: (191) [system] ')'==n
   Call: (191) [system] get_char((0x56051b6b4f40), n)
   Exit: (191) [system] get_char((0x56051b6b4f40), n)
   Call: (191) [system] n=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1858656)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1859590)
   Exit: (192) [system] peek_char((0x56051b6b4f40), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_1863382, v('(', ')', end_of_file), j)
   Call: (192) [system] ')'==j
   Call: (192) [system] get_char((0x56051b6b4f40), j)
   Exit: (192) [system] get_char((0x56051b6b4f40), j)
   Call: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1867952)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1868886)
   Exit: (193) [system] peek_char((0x56051b6b4f40), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_1872678, v('(', ')', end_of_file), u)
   Call: (193) [system] ')'==u
   Call: (193) [system] get_char((0x56051b6b4f40), u)
   Exit: (193) [system] get_char((0x56051b6b4f40), u)
   Call: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1877248)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1878182)
   Exit: (194) [system] peek_char((0x56051b6b4f40), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_1881974, v('(', ')', end_of_file), n)
   Call: (194) [system] ')'==n
   Call: (194) [system] get_char((0x56051b6b4f40), n)
   Exit: (194) [system] get_char((0x56051b6b4f40), n)
   Call: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1886544)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1887478)
   Exit: (195) [system] peek_char((0x56051b6b4f40), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_1891270, v('(', ')', end_of_file), c)
   Call: (195) [system] ')'==c
   Call: (195) [system] get_char((0x56051b6b4f40), c)
   Exit: (195) [system] get_char((0x56051b6b4f40), c)
   Call: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1895840)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1896774)
   Exit: (196) [system] peek_char((0x56051b6b4f40), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_1900566, v('(', ')', end_of_file), t)
   Call: (196) [system] ')'==t
   Call: (196) [system] get_char((0x56051b6b4f40), t)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1905136)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1906070)
   Exit: (197) [system] peek_char((0x56051b6b4f40), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1909862, v('(', ')', end_of_file), i)
   Call: (197) [system] ')'==i
   Call: (197) [system] get_char((0x56051b6b4f40), i)
   Exit: (197) [system] get_char((0x56051b6b4f40), i)
   Call: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1914432)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1915366)
   Exit: (198) [system] peek_char((0x56051b6b4f40), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_1919158, v('(', ')', end_of_file), o)
   Call: (198) [system] ')'==o
   Call: (198) [system] get_char((0x56051b6b4f40), o)
   Exit: (198) [system] get_char((0x56051b6b4f40), o)
   Call: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1923728)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1924662)
   Exit: (199) [system] peek_char((0x56051b6b4f40), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_1928454, v('(', ')', end_of_file), n)
   Call: (199) [system] ')'==n
   Call: (199) [system] get_char((0x56051b6b4f40), n)
   Exit: (199) [system] get_char((0x56051b6b4f40), n)
   Call: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1933024)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1933958)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'E')
^  Call: (200) [user] is_delimiter('E')
   Call: (201) [system] char_type('E', space)
   Call: (201) [system] arg(_1937750, v('(', ')', end_of_file), 'E')
   Call: (200) [system] ')'=='E'
   Call: (200) [system] get_char((0x56051b6b4f40), 'E')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'E')
   Call: (200) [system] 'E'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1942320)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1943254)
   Exit: (201) [system] peek_char((0x56051b6b4f40), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_1947046, v('(', ')', end_of_file), l)
   Call: (201) [system] ')'==l
   Call: (201) [system] get_char((0x56051b6b4f40), l)
   Exit: (201) [system] get_char((0x56051b6b4f40), l)
   Call: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1951616)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1952550)
   Exit: (202) [system] peek_char((0x56051b6b4f40), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_1956342, v('(', ')', end_of_file), i)
   Call: (202) [system] ')'==i
   Call: (202) [system] get_char((0x56051b6b4f40), i)
   Exit: (202) [system] get_char((0x56051b6b4f40), i)
   Call: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1960912)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1961846)
   Exit: (203) [system] peek_char((0x56051b6b4f40), m)
^  Call: (203) [user] is_delimiter(m)
   Call: (204) [system] char_type(m, space)
   Call: (204) [system] arg(_1965638, v('(', ')', end_of_file), m)
   Call: (203) [system] ')'==m
   Call: (203) [system] get_char((0x56051b6b4f40), m)
   Exit: (203) [system] get_char((0x56051b6b4f40), m)
   Call: (203) [system] m=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1970208)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1971142)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1974934, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1979504)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1980438)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1984230, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1988800)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1989734)
   Exit: (206) [system] peek_char((0x56051b6b4f40), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_1993526, v('(', ')', end_of_file), a)
   Call: (206) [system] ')'==a
   Call: (206) [system] get_char((0x56051b6b4f40), a)
   Exit: (206) [system] get_char((0x56051b6b4f40), a)
   Call: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1998096)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1999030)
   Exit: (207) [system] peek_char((0x56051b6b4f40), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_2002822, v('(', ')', end_of_file), t)
   Call: (207) [system] ')'==t
   Call: (207) [system] get_char((0x56051b6b4f40), t)
   Exit: (207) [system] get_char((0x56051b6b4f40), t)
   Call: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2007392)
   Call: (208) [system] peek_char((0x56051b6b4f40), _2008326)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_2012118, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2016688)
   Call: (209) [system] peek_char((0x56051b6b4f40), _2017622)
   Exit: (209) [system] peek_char((0x56051b6b4f40), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_2021414, v('(', ')', end_of_file), o)
   Call: (209) [system] ')'==o
   Call: (209) [system] get_char((0x56051b6b4f40), o)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2025984)
   Call: (210) [system] peek_char((0x56051b6b4f40), _2026918)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_2030710, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2035280)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2036214)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'R')
^  Call: (211) [user] is_delimiter('R')
   Call: (212) [system] char_type('R', space)
   Call: (212) [system] arg(_2040006, v('(', ')', end_of_file), 'R')
   Call: (211) [system] ')'=='R'
   Call: (211) [system] get_char((0x56051b6b4f40), 'R')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'R')
   Call: (211) [system] 'R'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2044576)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2045510)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_2049302, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2053872)
   Call: (213) [system] peek_char((0x56051b6b4f40), _2054806)
   Exit: (213) [system] peek_char((0x56051b6b4f40), g)
^  Call: (213) [user] is_delimiter(g)
   Call: (214) [system] char_type(g, space)
   Call: (214) [system] arg(_2058598, v('(', ')', end_of_file), g)
   Call: (213) [system] ')'==g
   Call: (213) [system] get_char((0x56051b6b4f40), g)
   Exit: (213) [system] get_char((0x56051b6b4f40), g)
   Call: (213) [system] g=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2063168)
   Call: (214) [system] peek_char((0x56051b6b4f40), _2064102)
   Exit: (214) [system] peek_char((0x56051b6b4f40), h)
^  Call: (214) [user] is_delimiter(h)
   Call: (215) [system] char_type(h, space)
   Call: (215) [system] arg(_2067894, v('(', ')', end_of_file), h)
   Call: (214) [system] ')'==h
   Call: (214) [system] get_char((0x56051b6b4f40), h)
   Exit: (214) [system] get_char((0x56051b6b4f40), h)
   Call: (214) [system] h=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2072464)
   Call: (215) [system] peek_char((0x56051b6b4f40), _2073398)
   Exit: (215) [system] peek_char((0x56051b6b4f40), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_2077190, v('(', ')', end_of_file), t)
   Call: (215) [system] ')'==t
   Call: (215) [system] get_char((0x56051b6b4f40), t)
   Exit: (215) [system] get_char((0x56051b6b4f40), t)
   Call: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2081760)
   Call: (216) [system] peek_char((0x56051b6b4f40), _2082694)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _2081760=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _2072464=[t]
   Exit: (215) [system] [t]=[t]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (214) [system] _2063168=[h, t]
   Exit: (214) [system] [h, t]=[h, t]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, t])
   Call: (213) [system] _3486=[g, h, t]
   Exit: (213) [system] [g, h, t]=[g, h, t]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [g, h, t])
   Call: (212) [system] _3482=[i, g, h, t]
   Exit: (212) [system] [i, g, h, t]=[i, g, h, t]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, g, h, t])
   Call: (211) [system] _3478=['R', i, g, h, t]
   Exit: (211) [system] ['R', i, g, h, t]=['R', i, g, h, t]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['R', i, g, h, t])
   Call: (210) [system] _3474=[n, 'R', i, g, h, t]
   Exit: (210) [system] [n, 'R', i, g, h, t]=[n, 'R', i, g, h, t]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'R', i, g, h, t])
   Call: (209) [system] _3470=[o, n, 'R', i, g, h, t]
   Exit: (209) [system] [o, n, 'R', i, g, h, t]=[o, n, 'R', i, g, h, t]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'R', i, g, h, t])
   Call: (208) [system] _3466=[i, o, n, 'R', i, g, h, t]
   Exit: (208) [system] [i, o, n, 'R', i, g, h, t]=[i, o, n, 'R', i, g, h, t]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'R', i, g, h, t])
   Call: (207) [system] _3462=[t, i, o, n, 'R', i, g, h, t]
   Exit: (207) [system] [t, i, o, n, 'R', i, g, h, t]=[t, i, o, n, 'R', i, g, h, t]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'R', i, g, h, t])
   Call: (206) [system] _3458=[a, t, i, o, n, 'R', i, g, h, t]
   Exit: (206) [system] [a, t, i, o, n, 'R', i, g, h, t]=[a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n, 'R', i, g, h, t])
   Call: (205) [system] _3454=[n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (205) [system] [n, a, t, i, o, n, 'R', i, g, h, t]=[n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (204) [system] _3450=[i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (204) [system] [i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (203) [system] _3446=[m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (203) [system] [m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (202) [system] _3442=[i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (202) [system] [i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (201) [system] _3438=[l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (201) [system] [l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (200) [system] _3434=['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (200) [system] ['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (199) [system] _3430=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (199) [system] [n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (198) [system] _3426=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (198) [system] [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (197) [system] _3422=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (197) [system] [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (196) [system] _3418=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (196) [system] [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (195) [system] _3414=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (195) [system] [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (194) [system] _3410=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (194) [system] [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (193) [system] _3406=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (192) [system] _3402=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (191) [system] _3398=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (191) [system] [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Call: (190) [system] _3394=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
   Exit: (190) [system] [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]=[o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
^  Call: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _3390)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_71340, _71342), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _3390), _71316, fail)), '$restore_trace'(_71340, _71342))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_71340, _71342))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], _3390), _71316, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_3390)
   Call: (190) [system] atom_chars(_3390, ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
   Exit: (190) [system] atom_chars('ConjunctionEliminationRight', ['C', o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t])
^  Exit: (189) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'E', l, i, m, i, n, a, t, i, o, n, 'R', i, g, h, t], 'ConjunctionEliminationRight')
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionEliminationRight')
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionEliminationRight')
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _79792)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _81650)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _88460)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _91164)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _100556)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _104270)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _106128)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _114596)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _104270)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _120166)
   Exit: (191) [system] peek_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _128634)
   Exit: (190) [system] peek_char((0x56051b6b4f40), -)
   Call: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _132348)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _134206)
   Exit: (192) [system] peek_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _142674)
   Exit: (191) [system] get_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, _132348)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _152892)
   Call: (193) [system] peek_char((0x56051b6b4f40), _153826)
   Exit: (193) [system] peek_char((0x56051b6b4f40), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_157618, v('(', ')', end_of_file), >)
   Call: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x56051b6b4f40), >)
   Exit: (193) [system] get_char((0x56051b6b4f40), >)
   Call: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _162188)
   Call: (194) [system] peek_char((0x56051b6b4f40), _163122)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _162188=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _152892=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _132348)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_175226, _175228), once(user:catch(read_from_chars([-, >], _132348), _175202, fail)), '$restore_trace'(_175226, _175228))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_175226, _175228))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _175202, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _182726)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _184584)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _191394)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _194098)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _203490)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _207204)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _209062)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _217530)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _207204)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _223100)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (194) [system] 'A'=(;)
^  Call: (194) [user] is_like_space('A')
   Call: (195) [system] char_type('A', 'white')
   Call: (195) [system] char_type('A', end_of_line)
   Call: (195) [system] char_type('A', space)
   Call: (195) [system] char_type('A', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _231568)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _235282)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _237140)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (195) [system] 'A'=(;)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _245608)
   Exit: (194) [system] get_char((0x56051b6b4f40), 'A')
   Call: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _235282)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _255826)
   Call: (196) [system] peek_char((0x56051b6b4f40), _256760)
   Exit: (196) [system] peek_char((0x56051b6b4f40), n)
^  Call: (196) [user] is_delimiter(n)
   Call: (197) [system] char_type(n, space)
   Call: (197) [system] arg(_260552, v('(', ')', end_of_file), n)
   Call: (196) [system] ')'==n
   Call: (196) [system] get_char((0x56051b6b4f40), n)
   Exit: (196) [system] get_char((0x56051b6b4f40), n)
   Call: (196) [system] n=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _265122)
   Call: (197) [system] peek_char((0x56051b6b4f40), _266056)
   Exit: (197) [system] peek_char((0x56051b6b4f40), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_269848, v('(', ')', end_of_file), d)
   Call: (197) [system] ')'==d
   Call: (197) [system] get_char((0x56051b6b4f40), d)
   Exit: (197) [system] get_char((0x56051b6b4f40), d)
   Call: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _274418)
   Call: (198) [system] peek_char((0x56051b6b4f40), _275352)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (198) [user] is_delimiter('L')
   Call: (199) [system] char_type('L', space)
   Call: (199) [system] arg(_279144, v('(', ')', end_of_file), 'L')
   Call: (198) [system] ')'=='L'
   Call: (198) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (198) [system] get_char((0x56051b6b4f40), 'L')
   Call: (198) [system] 'L'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _283714)
   Call: (199) [system] peek_char((0x56051b6b4f40), _284648)
   Exit: (199) [system] peek_char((0x56051b6b4f40), i)
^  Call: (199) [user] is_delimiter(i)
   Call: (200) [system] char_type(i, space)
   Call: (200) [system] arg(_288440, v('(', ')', end_of_file), i)
   Call: (199) [system] ')'==i
   Call: (199) [system] get_char((0x56051b6b4f40), i)
   Exit: (199) [system] get_char((0x56051b6b4f40), i)
   Call: (199) [system] i=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293010)
   Call: (200) [system] peek_char((0x56051b6b4f40), _293944)
   Exit: (200) [system] peek_char((0x56051b6b4f40), n)
^  Call: (200) [user] is_delimiter(n)
   Call: (201) [system] char_type(n, space)
   Call: (201) [system] arg(_297736, v('(', ')', end_of_file), n)
   Call: (200) [system] ')'==n
   Call: (200) [system] get_char((0x56051b6b4f40), n)
   Exit: (200) [system] get_char((0x56051b6b4f40), n)
   Call: (200) [system] n=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _302306)
   Call: (201) [system] peek_char((0x56051b6b4f40), _303240)
   Exit: (201) [system] peek_char((0x56051b6b4f40), k)
^  Call: (201) [user] is_delimiter(k)
   Call: (202) [system] char_type(k, space)
   Call: (202) [system] arg(_307032, v('(', ')', end_of_file), k)
   Call: (201) [system] ')'==k
   Call: (201) [system] get_char((0x56051b6b4f40), k)
   Exit: (201) [system] get_char((0x56051b6b4f40), k)
   Call: (201) [system] k=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _311602)
   Call: (202) [system] peek_char((0x56051b6b4f40), _312536)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _311602=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (201) [system] _302306=[k]
   Exit: (201) [system] [k]=[k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (200) [system] _293010=[n, k]
   Exit: (200) [system] [n, k]=[n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (199) [system] _283714=[i, n, k]
   Exit: (199) [system] [i, n, k]=[i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (198) [system] _274418=['L', i, n, k]
   Exit: (198) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (197) [system] _265122=[d, 'L', i, n, k]
   Exit: (197) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (196) [system] _255826=[n, d, 'L', i, n, k]
   Exit: (196) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _235282)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_338610, _338612), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _235282), _338586, fail)), '$restore_trace'(_338610, _338612))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_338610, _338612))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _235282), _338586, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_235282)
   Call: (196) [system] atom_chars(_235282, ['A', n, d, 'L', i, n, k])
   Exit: (196) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (195) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _347062)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _348920)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _355730)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _358434)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _367826)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=')'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _371540)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _373398)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=(;)
^  Call: (196) [user] is_like_space($)
   Call: (197) [system] char_type($, 'white')
   Call: (197) [system] char_type($, end_of_line)
   Call: (197) [system] char_type($, space)
   Call: (197) [system] char_type($, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _381866)
   Exit: (195) [system] get_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)='('
   Call: (195) [system] ($)='['
   Call: (195) [system] ($)='{'
   Call: (195) [system] ($)='"'
   Call: (195) [system] ($)=!
   Call: (195) [system] ($)='\''
   Call: (195) [system] ($)='`'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _371540)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _392084)
   Call: (197) [system] peek_char((0x56051b6b4f40), _393018)
   Exit: (197) [system] peek_char((0x56051b6b4f40), p)
^  Call: (197) [user] is_delimiter(p)
   Call: (198) [system] char_type(p, space)
   Call: (198) [system] arg(_396810, v('(', ')', end_of_file), p)
   Call: (197) [system] ')'==p
   Call: (197) [system] get_char((0x56051b6b4f40), p)
   Exit: (197) [system] get_char((0x56051b6b4f40), p)
   Call: (197) [system] p=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _401380)
   Call: (198) [system] peek_char((0x56051b6b4f40), _402314)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _401380=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (197) [system] _392084=[p]
   Exit: (197) [system] [p]=[p]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (196) [user] classify_and_convert_charseq($, [p], _371540)
   Call: (197) [system] atom_chars(_414392, ['_', p])
   Exit: (197) [system] atom_chars('_p', ['_', p])
^  Exit: (196) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _419056)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _420914)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _427724)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _430428)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _439820)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=')'
   Call: (195) [system] ($)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _443534)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _445392)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=(;)
^  Call: (197) [user] is_like_space($)
   Call: (198) [system] char_type($, 'white')
   Call: (198) [system] char_type($, end_of_line)
   Call: (198) [system] char_type($, space)
   Call: (198) [system] char_type($, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _453860)
   Exit: (196) [system] get_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)='('
   Call: (196) [system] ($)='['
   Call: (196) [system] ($)='{'
   Call: (196) [system] ($)='"'
   Call: (196) [system] ($)=!
   Call: (196) [system] ($)='\''
   Call: (196) [system] ($)='`'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _443534)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _464078)
   Call: (198) [system] peek_char((0x56051b6b4f40), _465012)
   Exit: (198) [system] peek_char((0x56051b6b4f40), q)
^  Call: (198) [user] is_delimiter(q)
   Call: (199) [system] char_type(q, space)
   Call: (199) [system] arg(_468804, v('(', ')', end_of_file), q)
   Call: (198) [system] ')'==q
   Call: (198) [system] get_char((0x56051b6b4f40), q)
   Exit: (198) [system] get_char((0x56051b6b4f40), q)
   Call: (198) [system] q=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _473374)
   Call: (199) [system] peek_char((0x56051b6b4f40), _474308)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_478100, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _473374=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _464078=[q]
   Exit: (198) [system] [q]=[q]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (197) [user] classify_and_convert_charseq($, [q], _443534)
   Call: (198) [system] atom_chars(_487330, ['_', q])
   Exit: (198) [system] atom_chars('_q', ['_', q])
^  Exit: (197) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _491994)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _493852)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _502320)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _506110)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _491994=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _419056=[_q]
   Exit: (195) [system] [_q]=[_q]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (194) [system] _347062=[_p, _q]
   Exit: (194) [system] [_p, _q]=[_p, _q]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [_p, _q])
   Call: (193) [system] _207204=['AndLink', _p, _q]
   Exit: (193) [system] ['AndLink', _p, _q]=['AndLink', _p, _q]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), ['AndLink', _p, _q])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', _p, _q])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _519992)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _521850)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _528660)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _531364)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _540756)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _544470)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _546328)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _554796)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _544470)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _565014)
   Call: (195) [system] peek_char((0x56051b6b4f40), _565948)
   Exit: (195) [system] peek_char((0x56051b6b4f40), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_569740, v('(', ')', end_of_file), q)
   Call: (195) [system] ')'==q
   Call: (195) [system] get_char((0x56051b6b4f40), q)
   Exit: (195) [system] get_char((0x56051b6b4f40), q)
   Call: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _574310)
   Call: (196) [system] peek_char((0x56051b6b4f40), _575244)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_579036, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _574310=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _565014=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (194) [user] classify_and_convert_charseq($, [q], _544470)
   Call: (195) [system] atom_chars(_588266, ['_', q])
   Exit: (195) [system] atom_chars('_q', ['_', q])
^  Exit: (194) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _592930)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _594788)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _603256)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _607046)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _592930=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _519992=[_q]
   Exit: (192) [system] [_q]=[_q]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (191) [system] _182726=[['AndLink', _p, _q], _q]
   Exit: (191) [system] [['AndLink', _p, _q], _q]=[['AndLink', _p, _q], _q]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [['AndLink', _p, _q], _q])
   Call: (190) [system] _104270=[->, ['AndLink', _p, _q], _q]
   Exit: (190) [system] [->, ['AndLink', _p, _q], _q]=[->, ['AndLink', _p, _q], _q]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [->, ['AndLink', _p, _q], _q])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), [->, ['AndLink', _p, _q], _q])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _620928)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _622786)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _631254)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _635044)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _620928=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _79792=[[->, ['AndLink', _p, _q], _q]]
   Exit: (188) [system] [[->, ['AndLink', _p, _q], _q]]=[[->, ['AndLink', _p, _q], _q]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [[->, ['AndLink', _p, _q], _q]])
   Call: (187) [system] _3386=['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
   Exit: (187) [system] ['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]=['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
   Call: (186) [system] _3378=[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
   Exit: (186) [system] [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]=[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _648926)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _650784)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _659252)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _663042)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _648926=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _3374=[[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (184) [system] [[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
   Call: (183) [system] _3362=[[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (183) [system] [[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
   Exit: (182) [system] [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]=[=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]])
^  Call: (179) [user] assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))
^  Exit: (179) [user] assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 115, 0, 4704, '$stream_position'(4704, 115, 0, 4704)), read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]]), assertz(metta_file_comment(115, 0, 4704, [=, [rb], [:, 'ConjunctionEliminationRight', [->, ['AndLink', _p, _q], _q]]], '$stream_position'(4704, 115, 0, 4704)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_681560, _681562, _681564, _681566, _681568))
^  Exit: (177) [user] retract(metta_file_comment(66, 0, 2300, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], '$stream_position'(2300, 66, 0, 2300)))
^  Call: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _3084)
^  Call: (178) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _684992))
^  Call: (179) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _684992)
^  Call: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _684992)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _687808))
^  Call: (182) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _687808))
^  Call: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _687808)
^  Call: (184) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _690608))
^  Call: (185) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _690608)
^  Call: (186) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _690608)
   Call: (187) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==true
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==false
   Call: (187) [system] (=)=='['
   Call: (187) [system] (=)=='{'
   Call: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _700830)
   Call: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _700830)
   Call: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _700830)
   Exit: (189) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (187) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (187) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]=='}'
   Call: (187) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==[_707346, _707352]
   Call: (187) [system] fail
   Call: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (187) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (187) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _690608)
   Call: (188) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _690608, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(=, _712926)
   Call: (190) [system] var(=)
   Call: (190) [system] atom(=)
   Exit: (190) [system] atom(=)
^  Call: (190) [user] symbol_concat($, _716634, =)
   Call: (191) [system] atom_concat($, _716634, =)
   Fail: (191) [system] atom_concat($, _716634, =)
^  Fail: (190) [user] symbol_concat($, _716634, =)
   Call: (190) [system] (=)==true
   Call: (190) [system] (=)==false
   Call: (190) [system] (=)==[_722222, _722228]
   Call: (190) [system] is_list(=)
   Call: (190) [system] string(=)
   Call: (190) [system] compound(=)
^  Call: (190) [user] symbol(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Exit: (190) [user] symbol(=)
^  Exit: (189) [user] mfix_vars1(=, =)
   Call: (189) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _712928, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _731490)
   Call: (191) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (191) [system] synthesize=='['
   Call: (191) [system] synthesize=='{'
   Call: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _739834)
   Call: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _739834)
   Call: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, _739834)
   Call: (194) [lists] lists:last_([['S', _k]], _rb, _739834)
   Call: (195) [lists] lists:last_([], ['S', _k], _739834)
   Exit: (195) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (194) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (193) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (192) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (191) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (191) [system] ['S', _k]=='}'
   Call: (191) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_750078, _750084]
   Call: (191) [system] fail
   Call: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (191) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (191) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _731490)
   Call: (192) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _731490, user:mfix_vars1)
^  Call: (193) [user] mfix_vars1(synthesize, _755658)
   Call: (194) [system] var(synthesize)
   Call: (194) [system] atom(synthesize)
   Exit: (194) [system] atom(synthesize)
^  Call: (194) [user] symbol_concat($, _759366, synthesize)
   Call: (195) [system] atom_concat($, _759366, synthesize)
   Fail: (195) [system] atom_concat($, _759366, synthesize)
^  Fail: (194) [user] symbol_concat($, _759366, synthesize)
   Call: (194) [system] synthesize==true
   Call: (194) [system] synthesize==false
   Call: (194) [system] synthesize==[_764954, _764960]
   Call: (194) [system] is_list(synthesize)
   Call: (194) [system] string(synthesize)
   Call: (194) [system] compound(synthesize)
^  Call: (194) [user] symbol(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Exit: (194) [user] symbol(synthesize)
^  Exit: (193) [user] mfix_vars1(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _755660, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(_query, _774222)
   Call: (195) [system] var(_query)
   Call: (195) [system] atom(_query)
   Call: (195) [system] _query==true
   Call: (195) [system] _query==false
   Call: (195) [system] _query==[_778864, _778870]
   Call: (195) [system] is_list(_query)
   Call: (195) [system] string(_query)
   Call: (195) [system] compound(_query)
   Exit: (195) [system] compound(_query)
   Call: (195) [system] compound_name_arguments(_query, _783498, _783500)
   Exit: (195) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (195) [system] '$VAR'\=='$VAR'
^  Exit: (183) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _789092))
^  Call: (182) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _789092))
^  Call: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _789092)
^  Call: (184) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _791892))
^  Call: (185) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _791892)
^  Call: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _791892)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _684992))
^  Call: (182) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _684992))
^  Call: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _684992)
^  Call: (184) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _805850))
^  Call: (185) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _805850)
^  Call: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _805850)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (184) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (184) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (183) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (182) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (180) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (178) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (178) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]
^  Exit: (177) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 114)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792639.6186824)
   Call: (173) [system] arg(1, t(1726792638.6715405), _3148)
   Exit: (173) [system] arg(1, t(1726792638.6715405), 1726792638.6715405)
   Call: (173) [system] _3158 is 1726792639.6186824-1726792638.6715405
   Exit: (173) [system] 0.9471418857574463 is 1726792639.6186824-1726792638.6715405
   Call: (173) [system] 0.9471418857574463>4
   Fail: (173) [system] 0.9471418857574463>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 23)
   Call: (175) [system] atom(23+1)
   Call: (175) [system] set_flag(translated_forms, 24)
   Exit: (175) [system] set_flag(translated_forms, 24)
   Exit: (174) [$syspreds] update_flag(translated_forms, 23, 23+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 23, 23+1))
   Exit: (171) [$syspreds] flag(translated_forms, 23, 23+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 114)
^  Call: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, _857320, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _857322)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _857322)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _861972)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_861972
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _861974)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _869390)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _876802)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _876802, user:s2t)
^  Call: (178) [user] s2t(synthesize, _878682)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_878682
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _878684, user:s2t)
^  Call: (179) [user] s2t(_query, _884256)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _884256)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _884258, user:s2t)
^  Call: (180) [user] s2t(_kb, _893526)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _893526)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _893528, user:s2t)
^  Call: (181) [user] s2t(_rb, _902796)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _902796)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _902798, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _912066)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _919478)
   Call: (184) [apply] apply:maplist_(['S', _k], _919478, user:s2t)
^  Call: (185) [user] s2t('S', _921358)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_921358
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _921360, user:s2t)
^  Call: (186) [user] s2t(_k, _926932)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _926932)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _926934, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_912066, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _912068, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_869390, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], _869392)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _955776)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _963188)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _963188, user:s2t)
^  Call: (179) [user] s2t('let*', _965068)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_965068
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], _965070, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _970642)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _978054)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _978054, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _979934)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _987346)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], _987346, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _989226)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _996638)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _996638, user:s2t)
^  Call: (189) [user] s2t(:, _998518)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_998518
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _conclusion]], _998520, user:s2t)
^  Call: (190) [user] s2t(_ructor, _1004092)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _1004092)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _conclusion]], _1004094, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _premise3, _conclusion], _1013362)
   Call: (192) [system] compound([->, _premise1, _premise2, _premise3, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _premise3, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _premise3, _conclusion], _1017998)
   Call: (193) [system] compound([_premise1, _premise2, _premise3, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _premise3, _conclusion])
^  Call: (193) [user] s2t(_premise1, _1020778)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1020778)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _premise3, _conclusion], _1020780)
   Call: (194) [system] compound([_premise2, _premise3, _conclusion])
   Exit: (194) [system] compound([_premise2, _premise3, _conclusion])
^  Call: (194) [user] s2t(_premise2, _1031892)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1031892)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_premise3, _conclusion], _1031894)
   Call: (195) [system] compound([_premise3, _conclusion])
   Exit: (195) [system] compound([_premise3, _conclusion])
^  Call: (195) [user] s2t(_premise3, _1043006)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _1043006)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
^  Call: (195) [user] s2tl([_conclusion], _1043008)
   Call: (196) [system] compound([_conclusion])
   Exit: (196) [system] compound([_conclusion])
^  Call: (196) [user] s2t(_conclusion, _1054120)
   Call: (197) [system] compound(_conclusion)
   Exit: (197) [system] compound(_conclusion)
   Call: (197) [system] is_list(_conclusion)
^  Call: (197) [user] s2tl(_conclusion, _1054120)
   Call: (198) [system] compound(_conclusion)
   Exit: (198) [system] compound(_conclusion)
^  Exit: (197) [user] s2tl(_conclusion, _conclusion)
^  Exit: (196) [user] s2t(_conclusion, _conclusion)
^  Call: (196) [user] s2tl([], _1054122)
   Call: (197) [system] compound([])
   Call: (197) [system] []=_1054122
   Exit: (197) [system] []=[]
^  Exit: (196) [user] s2tl([], [])
^  Exit: (195) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (194) [user] s2tl([_premise3, _conclusion], [_premise3, _conclusion])
^  Exit: (193) [user] s2tl([_premise2, _premise3, _conclusion], [_premise2, _premise3, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _premise3, _conclusion], [_premise1, _premise2, _premise3, _conclusion])
   Call: (192) [system] _1013362=..[->, [_premise1, _premise2, _premise3, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _premise3, _conclusion])=..[->, [_premise1, _premise2, _premise3, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _premise3, _conclusion], ->([_premise1, _premise2, _premise3, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _1013364, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _conclusion]], [->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_ructor, ->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
   Call: (187) [system] compound_name_arguments(_989226, t, [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _989228, user:s2t)
^  Call: (187) [user] s2t([_rb], _1082936)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _1090348)
   Call: (189) [apply] apply:maplist_([_rb], _1090348, user:s2t)
^  Call: (190) [user] s2t(_rb, _1092228)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _1092228)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _1092230, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_1082936, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _1082938, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_979934, t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _979936, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1115492)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1122904)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], _1122904, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1124784)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1132196)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _1132196, user:s2t)
^  Call: (190) [user] s2t(:, _1134076)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_1134076
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3], _conclusion], _1134078, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3], _1139650)
   Call: (192) [system] compound([_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2, _proof3])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2, _proof3], _1147062)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3], _1147062, user:s2t)
^  Call: (194) [user] s2t(_ructor, _1148942)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _1148942)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3], _1148944, user:s2t)
^  Call: (195) [user] s2t(_proof1, _1158212)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _1158212)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2, _proof3], _1158214, user:s2t)
^  Call: (196) [user] s2t(_proof2, _1167482)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _1167482)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([_proof3], _1167484, user:s2t)
^  Call: (197) [user] s2t(_proof3, _1176752)
   Call: (198) [system] compound(_proof3)
   Exit: (198) [system] compound(_proof3)
   Call: (198) [system] is_list(_proof3)
^  Call: (198) [user] s2tl(_proof3, _1176752)
   Call: (199) [system] compound(_proof3)
   Exit: (199) [system] compound(_proof3)
^  Exit: (198) [user] s2tl(_proof3, _proof3)
^  Exit: (197) [user] s2t(_proof3, _proof3)
   Call: (197) [apply] apply:maplist_([], _1176754, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof3], [_proof3], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2, _proof3], [_proof2, _proof3], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3], [_proof1, _proof2, _proof3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3], [_ructor, _proof1, _proof2, _proof3], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2, _proof3], [_ructor, _proof1, _proof2, _proof3])
   Call: (192) [system] compound_name_arguments(_1139650, t, [_ructor, _proof1, _proof2, _proof3])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2, _proof3), t, [_ructor, _proof1, _proof2, _proof3])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3], t(_ructor, _proof1, _proof2, _proof3))
   Call: (191) [apply] apply:maplist_([_conclusion], _1139652, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _1195354)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _1195354)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _1195356, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3], _conclusion], [t(_ructor, _proof1, _proof2, _proof3), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2, _proof3], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
   Call: (188) [system] compound_name_arguments(_1124784, t, [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), t, [:, t(_ructor, _proof1, _proof2, _proof3), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3], _conclusion], t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _1124786, user:s2t)
^  Call: (188) [user] s2t(_query, _1213022)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _1213022)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _1213024, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_1115492, t, [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1115494, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1229756)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1237168)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1237168, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _1239048)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1246460)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _1246460, user:s2t)
^  Call: (191) [user] s2t(:, _1248340)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1248340
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _1248342, user:s2t)
^  Call: (192) [user] s2t(_proof1, _1253914)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _1253914)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _1253916, user:s2t)
^  Call: (193) [user] s2t(_premise1, _1263184)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1263184)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _1263186, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_1239048, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1239050, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1280852)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1288264)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1288264, user:s2t)
^  Call: (192) [user] s2t(synthesize, _1290144)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_1290144
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _1290146, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _1295718)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1303130)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _1303130, user:s2t)
^  Call: (196) [user] s2t(:, _1305010)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_1305010
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _1305012, user:s2t)
^  Call: (197) [user] s2t(_proof1, _1310584)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _1310584)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _1310586, user:s2t)
^  Call: (198) [user] s2t(_premise1, _1319854)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _1319854)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _1319856, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_1295718, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _1295720, user:s2t)
^  Call: (194) [user] s2t(_kb, _1337522)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _1337522)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _1337524, user:s2t)
^  Call: (195) [user] s2t(_rb, _1346792)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _1346792)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _1346794, user:s2t)
^  Call: (196) [user] s2t(_k, _1356062)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _1356062)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _1356064, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1280852, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1280854, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1229756, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1229758, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1383062)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1390474)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1390474, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _1392354)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1399766)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _1399766, user:s2t)
^  Call: (192) [user] s2t(:, _1401646)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_1401646
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _1401648, user:s2t)
^  Call: (193) [user] s2t(_proof2, _1407220)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _1407220)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _1407222, user:s2t)
^  Call: (194) [user] s2t(_premise2, _1416490)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1416490)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _1416492, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_1392354, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1392356, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1434158)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1441570)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1441570, user:s2t)
^  Call: (193) [user] s2t(synthesize, _1443450)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_1443450
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _1443452, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _1449024)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1456436)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _1456436, user:s2t)
^  Call: (197) [user] s2t(:, _1458316)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_1458316
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _1458318, user:s2t)
^  Call: (198) [user] s2t(_proof2, _1463890)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _1463890)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _1463892, user:s2t)
^  Call: (199) [user] s2t(_premise2, _1473160)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _1473160)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _1473162, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_1449024, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _1449026, user:s2t)
^  Call: (195) [user] s2t(_kb, _1490828)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _1490828)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _1490830, user:s2t)
^  Call: (196) [user] s2t(_rb, _1500098)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _1500098)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _1500100, user:s2t)
^  Call: (197) [user] s2t(_k, _1509368)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _1509368)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _1509370, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_1434158, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _1434160, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_1383062, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _1383064, user:s2t)
^  Call: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1536368)
   Call: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (188) [system] [:, _proof3, _premise3]==(->)
   Call: (188) [system] [:, _proof3, _premise3]=='Cons'
   Call: (188) [system] [:, _proof3, _premise3]==(=)
   Call: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (188) [user] apply:maplist(s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1543780)
   Call: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1543780, user:s2t)
^  Call: (190) [user] s2t([:, _proof3, _premise3], _1545660)
   Call: (191) [system] compound([:, _proof3, _premise3])
   Exit: (191) [system] compound([:, _proof3, _premise3])
   Call: (191) [system] (:)==(->)
   Call: (191) [system] (:)=='Cons'
   Call: (191) [system] (:)==(=)
   Call: (191) [system] is_list([:, _proof3, _premise3])
   Exit: (191) [system] is_list([:, _proof3, _premise3])
^  Call: (191) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1553072)
   Call: (192) [apply] apply:maplist_([:, _proof3, _premise3], _1553072, user:s2t)
^  Call: (193) [user] s2t(:, _1554952)
   Call: (194) [system] compound(:)
   Call: (194) [system] (:)=_1554952
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] s2t(:, :)
   Call: (193) [apply] apply:maplist_([_proof3, _premise3], _1554954, user:s2t)
^  Call: (194) [user] s2t(_proof3, _1560526)
   Call: (195) [system] compound(_proof3)
   Exit: (195) [system] compound(_proof3)
   Call: (195) [system] is_list(_proof3)
^  Call: (195) [user] s2tl(_proof3, _1560526)
   Call: (196) [system] compound(_proof3)
   Exit: (196) [system] compound(_proof3)
^  Exit: (195) [user] s2tl(_proof3, _proof3)
^  Exit: (194) [user] s2t(_proof3, _proof3)
   Call: (194) [apply] apply:maplist_([_premise3], _1560528, user:s2t)
^  Call: (195) [user] s2t(_premise3, _1569796)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _1569796)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
   Call: (195) [apply] apply:maplist_([], _1569798, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (192) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (191) [system] compound_name_arguments(_1545660, t, [:, _proof3, _premise3])
   Exit: (191) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (190) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1545662, user:s2t)
^  Call: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1587464)
   Call: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Call: (192) [system] synthesize==(->)
   Call: (192) [system] synthesize=='Cons'
   Call: (192) [system] synthesize==(=)
   Call: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (192) [user] apply:maplist(s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1594876)
   Call: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1594876, user:s2t)
^  Call: (194) [user] s2t(synthesize, _1596756)
   Call: (195) [system] compound(synthesize)
   Call: (195) [system] synthesize=_1596756
   Exit: (195) [system] synthesize=synthesize
^  Exit: (194) [user] s2t(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], _1596758, user:s2t)
^  Call: (195) [user] s2t([:, _proof3, _premise3], _1602330)
   Call: (196) [system] compound([:, _proof3, _premise3])
   Exit: (196) [system] compound([:, _proof3, _premise3])
   Call: (196) [system] (:)==(->)
   Call: (196) [system] (:)=='Cons'
   Call: (196) [system] (:)==(=)
   Call: (196) [system] is_list([:, _proof3, _premise3])
   Exit: (196) [system] is_list([:, _proof3, _premise3])
^  Call: (196) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1609742)
   Call: (197) [apply] apply:maplist_([:, _proof3, _premise3], _1609742, user:s2t)
^  Call: (198) [user] s2t(:, _1611622)
   Call: (199) [system] compound(:)
   Call: (199) [system] (:)=_1611622
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] s2t(:, :)
   Call: (198) [apply] apply:maplist_([_proof3, _premise3], _1611624, user:s2t)
^  Call: (199) [user] s2t(_proof3, _1617196)
   Call: (200) [system] compound(_proof3)
   Exit: (200) [system] compound(_proof3)
   Call: (200) [system] is_list(_proof3)
^  Call: (200) [user] s2tl(_proof3, _1617196)
   Call: (201) [system] compound(_proof3)
   Exit: (201) [system] compound(_proof3)
^  Exit: (200) [user] s2tl(_proof3, _proof3)
^  Exit: (199) [user] s2t(_proof3, _proof3)
   Call: (199) [apply] apply:maplist_([_premise3], _1617198, user:s2t)
^  Call: (200) [user] s2t(_premise3, _1626466)
   Call: (201) [system] compound(_premise3)
   Exit: (201) [system] compound(_premise3)
   Call: (201) [system] is_list(_premise3)
^  Call: (201) [user] s2tl(_premise3, _1626466)
   Call: (202) [system] compound(_premise3)
   Exit: (202) [system] compound(_premise3)
^  Exit: (201) [user] s2tl(_premise3, _premise3)
^  Exit: (200) [user] s2t(_premise3, _premise3)
   Call: (200) [apply] apply:maplist_([], _1626468, user:s2t)
   Exit: (200) [apply] apply:maplist_([], [], user:s2t)
   Exit: (199) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (198) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (197) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (196) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (196) [system] compound_name_arguments(_1602330, t, [:, _proof3, _premise3])
   Exit: (196) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (195) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (195) [apply] apply:maplist_([_kb, _rb, _k], _1602332, user:s2t)
^  Call: (196) [user] s2t(_kb, _1644134)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
   Call: (197) [system] is_list(_kb)
^  Call: (197) [user] s2tl(_kb, _1644134)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
^  Exit: (197) [user] s2tl(_kb, _kb)
^  Exit: (196) [user] s2t(_kb, _kb)
   Call: (196) [apply] apply:maplist_([_rb, _k], _1644136, user:s2t)
^  Call: (197) [user] s2t(_rb, _1653404)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
   Call: (198) [system] is_list(_rb)
^  Call: (198) [user] s2tl(_rb, _1653404)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
^  Exit: (198) [user] s2tl(_rb, _rb)
^  Exit: (197) [user] s2t(_rb, _rb)
   Call: (197) [apply] apply:maplist_([_k], _1653406, user:s2t)
^  Call: (198) [user] s2t(_k, _1662674)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
   Call: (199) [system] is_list(_k)
^  Call: (199) [user] s2tl(_k, _1662674)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
^  Exit: (199) [user] s2tl(_k, _k)
^  Exit: (198) [user] s2t(_k, _k)
   Call: (198) [apply] apply:maplist_([], _1662676, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], [t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Call: (192) [system] compound_name_arguments(_1587464, t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Exit: (192) [system] compound_name_arguments(t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k), t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
^  Exit: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))
   Call: (191) [apply] apply:maplist_([], _1587466, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
   Exit: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Call: (188) [system] compound_name_arguments(_1536368, t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Exit: (188) [system] compound_name_arguments(t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
^  Exit: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)))
   Call: (187) [apply] apply:maplist_([], _1536370, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_970642, t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _970644, user:s2t)
^  Call: (181) [user] s2t(_query, _1699940)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1699940)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1699942, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_955776, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _955778)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_955778
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)], _1725030)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1725030=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1730592=..[nthesize_long_1726792630_1772065, 114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
   Exit: (172) [system] nthesize_long_1726792630_1772065(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))=..[nthesize_long_1726792630_1772065, 114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065(114, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 114)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]]), 114]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 23, 23+1), write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 114)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 115)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 115))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 115))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1755784)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1763206)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '(')
   Call: (175) [system] char_type('(', space)
^  Call: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (176) [system] string((0x56051b6b4f40))
^  Exit: (175) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (177) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (177) [system] peek_char((0x56051b6b4f40), _1771544)
   Exit: (177) [system] peek_char((0x56051b6b4f40), '(')
   Call: (177) [system] char_type('(', space)
   Call: (177) [system] _1774330=(0x56051b6b4f40)
   Exit: (177) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (177) [user] once((read_position((0x56051b6b4f40), _1776198, _1776200, _1776202, _1776204), read_sexpr((0x56051b6b4f40), _1776216), assertz(metta_file_comment(_1776198, _1776200, _1776202, _1776216, _1776204))))
^  Call: (179) [user] read_position((0x56051b6b4f40), _1776198, _1776200, _1776202, _1776204)
   Call: (180) [system] stream_property((0x56051b6b4f40), position(_1776204))
   Call: (181) [system] nonvar((0x56051b6b4f40))
   Exit: (181) [system] nonvar((0x56051b6b4f40))
   Call: (181) [system] nonvar(position(_1776204))
   Exit: (181) [system] nonvar(position(_1776204))
   Exit: (180) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4769, 116, 0, 4769)))
   Call: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4769, 116, 0, 4769), _1776198)
   Call: (181) [system] nonvar(line_count)
   Exit: (181) [system] nonvar(line_count)
   Call: (181) [$syspreds] stream_position_field(line_count, _1786456)
   Exit: (181) [$syspreds] stream_position_field(line_count, 2)
   Call: (181) [system] arg(2, '$stream_position'(4769, 116, 0, 4769), _1776198)
   Exit: (181) [system] arg(2, '$stream_position'(4769, 116, 0, 4769), 116)
   Exit: (180) [$syspreds] stream_position_data(line_count, '$stream_position'(4769, 116, 0, 4769), 116)
   Call: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4769, 116, 0, 4769), _1776200)
   Call: (181) [system] nonvar(line_position)
   Exit: (181) [system] nonvar(line_position)
   Call: (181) [$syspreds] stream_position_field(line_position, _1793890)
   Exit: (181) [$syspreds] stream_position_field(line_position, 3)
   Call: (181) [system] arg(3, '$stream_position'(4769, 116, 0, 4769), _1776200)
   Exit: (181) [system] arg(3, '$stream_position'(4769, 116, 0, 4769), 0)
   Exit: (180) [$syspreds] stream_position_data(line_position, '$stream_position'(4769, 116, 0, 4769), 0)
   Call: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4769, 116, 0, 4769), _1776202)
   Call: (181) [system] nonvar(char_count)
   Exit: (181) [system] nonvar(char_count)
   Call: (181) [$syspreds] stream_position_field(char_count, _1801324)
   Exit: (181) [$syspreds] stream_position_field(char_count, 1)
   Call: (181) [system] arg(1, '$stream_position'(4769, 116, 0, 4769), _1776202)
   Exit: (181) [system] arg(1, '$stream_position'(4769, 116, 0, 4769), 4769)
   Exit: (180) [$syspreds] stream_position_data(char_count, '$stream_position'(4769, 116, 0, 4769), 4769)
^  Exit: (179) [user] read_position((0x56051b6b4f40), 116, 0, 4769, '$stream_position'(4769, 116, 0, 4769))
^  Call: (179) [user] read_sexpr((0x56051b6b4f40), _1776216)
   Call: (180) [system] string((0x56051b6b4f40))
^  Call: (180) [user] cont_sexpr(')', (0x56051b6b4f40), _1776216)
^  Call: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1810626)
   Exit: (182) [system] peek_char((0x56051b6b4f40), '(')
   Call: (182) [system] '('=(;)
^  Call: (182) [user] is_like_space('(')
   Call: (183) [system] char_type('(', 'white')
   Call: (183) [system] char_type('(', end_of_line)
   Call: (183) [system] char_type('(', space)
   Call: (183) [system] char_type('(', cntrl)
^  Exit: (181) [user] skip_spaces((0x56051b6b4f40))
   Call: (181) [system] get_char((0x56051b6b4f40), _1819094)
   Exit: (181) [system] get_char((0x56051b6b4f40), '(')
   Call: (181) [system] '('='('
   Exit: (181) [system] '('='('
^  Call: (181) [user] read_list(')', (0x56051b6b4f40), _1776216)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1824664)
   Exit: (183) [system] peek_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)=(;)
^  Call: (183) [user] is_like_space(=)
   Call: (184) [system] char_type(=, 'white')
   Call: (184) [system] char_type(=, end_of_line)
   Call: (184) [system] char_type(=, space)
   Call: (184) [system] char_type(=, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] peek_char((0x56051b6b4f40), _1833132)
   Exit: (182) [system] peek_char((0x56051b6b4f40), =)
   Call: (182) [system] (=)=')'
   Call: (182) [system] (=)=end_of_file
^  Call: (182) [user] cont_sexpr(')', (0x56051b6b4f40), _1836846)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1838704)
   Exit: (184) [system] peek_char((0x56051b6b4f40), =)
   Call: (184) [system] (=)=(;)
^  Call: (184) [user] is_like_space(=)
   Call: (185) [system] char_type(=, 'white')
   Call: (185) [system] char_type(=, end_of_line)
   Call: (185) [system] char_type(=, space)
   Call: (185) [system] char_type(=, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] get_char((0x56051b6b4f40), _1847172)
   Exit: (183) [system] get_char((0x56051b6b4f40), =)
   Call: (183) [system] (=)='('
   Call: (183) [system] (=)='['
   Call: (183) [system] (=)='{'
   Call: (183) [system] (=)='"'
   Call: (183) [system] (=)=!
   Call: (183) [system] (=)='\''
   Call: (183) [system] (=)='`'
   Call: (183) [system] (=)=end_of_file
^  Call: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, _1836846)
^  Call: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1857390)
   Call: (185) [system] peek_char((0x56051b6b4f40), _1858324)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] is_delimiter(' ')
   Call: (186) [system] char_type(' ', space)
   Exit: (186) [system] char_type(' ', space)
^  Exit: (185) [user] is_delimiter(' ')
   Call: (185) [system] _1857390=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (184) [user] classify_and_convert_charseq(=, [], _1836846)
^  Call: (186) [system] setup_call_cleanup('$notrace'(_1867634, _1867636), once(user:catch(read_from_chars([=], _1836846), _1867610, fail)), '$restore_trace'(_1867634, _1867636))
^  Call: (187) [system] sig_atomic(system:'$notrace'(_1867634, _1867636))
^  Exit: (186) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([=], =), _1867610, fail)), system:'$restore_trace'(3, -1))
   Call: (185) [system] atomic(=)
   Exit: (185) [system] atomic(=)
^  Exit: (184) [user] classify_and_convert_charseq(=, [], =)
^  Exit: (183) [user] read_symbolic(')', (0x56051b6b4f40), =, =)
^  Exit: (182) [user] cont_sexpr(')', (0x56051b6b4f40), =)
^  Call: (182) [user] read_list(')', (0x56051b6b4f40), _1875134)
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1876992)
   Exit: (184) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (184) [system] ' '=(;)
^  Call: (184) [user] is_like_space(' ')
   Call: (185) [system] char_type(' ', 'white')
   Exit: (185) [system] char_type(' ', 'white')
^  Exit: (184) [user] is_like_space(' ')
   Call: (184) [system] get_char((0x56051b6b4f40), _1883802)
   Exit: (184) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1886506)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1895898)
   Exit: (183) [system] peek_char((0x56051b6b4f40), '(')
   Call: (183) [system] '('=')'
   Call: (183) [system] '('=end_of_file
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1899612)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1901470)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1909938)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1899612)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1915508)
   Exit: (186) [system] peek_char((0x56051b6b4f40), r)
   Call: (186) [system] r=(;)
^  Call: (186) [user] is_like_space(r)
   Call: (187) [system] char_type(r, 'white')
   Call: (187) [system] char_type(r, end_of_line)
   Call: (187) [system] char_type(r, space)
   Call: (187) [system] char_type(r, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1923976)
   Exit: (185) [system] peek_char((0x56051b6b4f40), r)
   Call: (185) [system] r=')'
   Call: (185) [system] r=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1927690)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1929548)
   Exit: (187) [system] peek_char((0x56051b6b4f40), r)
   Call: (187) [system] r=(;)
^  Call: (187) [user] is_like_space(r)
   Call: (188) [system] char_type(r, 'white')
   Call: (188) [system] char_type(r, end_of_line)
   Call: (188) [system] char_type(r, space)
   Call: (188) [system] char_type(r, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1938016)
   Exit: (186) [system] get_char((0x56051b6b4f40), r)
   Call: (186) [system] r='('
   Call: (186) [system] r='['
   Call: (186) [system] r='{'
   Call: (186) [system] r='"'
   Call: (186) [system] r=!
   Call: (186) [system] r='\''
   Call: (186) [system] r='`'
   Call: (186) [system] r=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, _1927690)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1948234)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1949168)
   Exit: (188) [system] peek_char((0x56051b6b4f40), b)
^  Call: (188) [user] is_delimiter(b)
   Call: (189) [system] char_type(b, space)
   Call: (189) [system] arg(_1952960, v('(', ')', end_of_file), b)
   Call: (188) [system] ')'==b
   Call: (188) [system] get_char((0x56051b6b4f40), b)
   Exit: (188) [system] get_char((0x56051b6b4f40), b)
   Call: (188) [system] b=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1957530)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1958464)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (189) [user] is_delimiter(')')
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] arg(_1962256, v('(', ')', end_of_file), ')')
   Exit: (190) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (189) [user] is_delimiter(')')
   Call: (189) [system] _1957530=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (188) [system] _1948234=[b]
   Exit: (188) [system] [b]=[b]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (187) [user] classify_and_convert_charseq(r, [b], _1927690)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1971512, _1971514), once(user:catch(read_from_chars([r, b], _1927690), _1971488, fail)), '$restore_trace'(_1971512, _1971514))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1971512, _1971514))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _1971488, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(rb)
   Exit: (188) [system] atomic(rb)
^  Exit: (187) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1979012)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1980870)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ')')
   Call: (187) [system] ')'=(;)
^  Call: (187) [user] is_like_space(')')
   Call: (188) [system] char_type(')', 'white')
   Call: (188) [system] char_type(')', end_of_line)
   Call: (188) [system] char_type(')', space)
   Call: (188) [system] char_type(')', cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1989338)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=')'
   Exit: (186) [system] ')'=')'
   Call: (186) [system] get_char((0x56051b6b4f40), _1993128)
   Exit: (186) [system] get_char((0x56051b6b4f40), ')')
   Call: (186) [system] _1979012=[]
   Exit: (186) [system] []=[]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (185) [system] _1899612=[rb]
   Exit: (185) [system] [rb]=[rb]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [rb])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [rb])
^  Call: (183) [user] read_list(')', (0x56051b6b4f40), _2001422)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _2003280)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (185) [system] ' '=(;)
^  Call: (185) [user] is_like_space(' ')
   Call: (186) [system] char_type(' ', 'white')
   Exit: (186) [system] char_type(' ', 'white')
^  Exit: (185) [user] is_like_space(' ')
   Call: (185) [system] get_char((0x56051b6b4f40), _2010090)
   Exit: (185) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2012794)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _2022186)
   Exit: (184) [system] peek_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('=')'
   Call: (184) [system] '('=end_of_file
^  Call: (184) [user] cont_sexpr(')', (0x56051b6b4f40), _2025900)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2027758)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=(;)
^  Call: (186) [user] is_like_space('(')
   Call: (187) [system] char_type('(', 'white')
   Call: (187) [system] char_type('(', end_of_line)
   Call: (187) [system] char_type('(', space)
   Call: (187) [system] char_type('(', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] get_char((0x56051b6b4f40), _2036226)
   Exit: (185) [system] get_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('='('
   Exit: (185) [system] '('='('
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _2025900)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _2041796)
   Exit: (187) [system] peek_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)=(;)
^  Call: (187) [user] is_like_space(:)
   Call: (188) [system] char_type(:, 'white')
   Call: (188) [system] char_type(:, end_of_line)
   Call: (188) [system] char_type(:, space)
   Call: (188) [system] char_type(:, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _2050264)
   Exit: (186) [system] peek_char((0x56051b6b4f40), :)
   Call: (186) [system] (:)=')'
   Call: (186) [system] (:)=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _2053978)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _2055836)
   Exit: (188) [system] peek_char((0x56051b6b4f40), :)
   Call: (188) [system] (:)=(;)
^  Call: (188) [user] is_like_space(:)
   Call: (189) [system] char_type(:, 'white')
   Call: (189) [system] char_type(:, end_of_line)
   Call: (189) [system] char_type(:, space)
   Call: (189) [system] char_type(:, cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _2064304)
   Exit: (187) [system] get_char((0x56051b6b4f40), :)
   Call: (187) [system] (:)='('
   Call: (187) [system] (:)='['
   Call: (187) [system] (:)='{'
   Call: (187) [system] (:)='"'
   Call: (187) [system] (:)=!
   Call: (187) [system] (:)='\''
   Call: (187) [system] (:)='`'
   Call: (187) [system] (:)=end_of_file
^  Call: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, _2053978)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2074522)
   Call: (189) [system] peek_char((0x56051b6b4f40), _2075456)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] is_delimiter(' ')
   Call: (190) [system] char_type(' ', space)
   Exit: (190) [system] char_type(' ', space)
^  Exit: (189) [user] is_delimiter(' ')
   Call: (189) [system] _2074522=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (188) [user] classify_and_convert_charseq(:, [], _2053978)
^  Call: (190) [system] setup_call_cleanup('$notrace'(_2084766, _2084768), once(user:catch(read_from_chars([:], _2053978), _2084742, fail)), '$restore_trace'(_2084766, _2084768))
^  Call: (191) [system] sig_atomic(system:'$notrace'(_2084766, _2084768))
^  Exit: (190) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2084742, fail)), system:'$restore_trace'(3, -1))
   Call: (189) [system] atomic(:)
   Exit: (189) [system] atomic(:)
^  Exit: (188) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (187) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _2092266)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _2094124)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _7364)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _10068)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _19460)
   Exit: (187) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (187) [system] 'D'=')'
   Call: (187) [system] 'D'=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _23174)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _25032)
   Exit: (189) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (189) [system] 'D'=(;)
^  Call: (189) [user] is_like_space('D')
   Call: (190) [system] char_type('D', 'white')
   Call: (190) [system] char_type('D', end_of_line)
   Call: (190) [system] char_type('D', space)
   Call: (190) [system] char_type('D', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _33500)
   Exit: (188) [system] get_char((0x56051b6b4f40), 'D')
   Call: (188) [system] 'D'='('
   Call: (188) [system] 'D'='['
   Call: (188) [system] 'D'='{'
   Call: (188) [system] 'D'='"'
   Call: (188) [system] 'D'=!
   Call: (188) [system] 'D'='\''
   Call: (188) [system] 'D'='`'
   Call: (188) [system] 'D'=end_of_file
^  Call: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _23174)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _43718)
   Call: (190) [system] peek_char((0x56051b6b4f40), _44652)
   Exit: (190) [system] peek_char((0x56051b6b4f40), i)
^  Call: (190) [user] is_delimiter(i)
   Call: (191) [system] char_type(i, space)
   Call: (191) [system] arg(_48444, v('(', ')', end_of_file), i)
   Call: (190) [system] ')'==i
   Call: (190) [system] get_char((0x56051b6b4f40), i)
   Exit: (190) [system] get_char((0x56051b6b4f40), i)
   Call: (190) [system] i=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _53014)
   Call: (191) [system] peek_char((0x56051b6b4f40), _53948)
   Exit: (191) [system] peek_char((0x56051b6b4f40), s)
^  Call: (191) [user] is_delimiter(s)
   Call: (192) [system] char_type(s, space)
   Call: (192) [system] arg(_57740, v('(', ')', end_of_file), s)
   Call: (191) [system] ')'==s
   Call: (191) [system] get_char((0x56051b6b4f40), s)
   Exit: (191) [system] get_char((0x56051b6b4f40), s)
   Call: (191) [system] s=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _62310)
   Call: (192) [system] peek_char((0x56051b6b4f40), _63244)
   Exit: (192) [system] peek_char((0x56051b6b4f40), j)
^  Call: (192) [user] is_delimiter(j)
   Call: (193) [system] char_type(j, space)
   Call: (193) [system] arg(_67036, v('(', ')', end_of_file), j)
   Call: (192) [system] ')'==j
   Call: (192) [system] get_char((0x56051b6b4f40), j)
   Exit: (192) [system] get_char((0x56051b6b4f40), j)
   Call: (192) [system] j=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _71606)
   Call: (193) [system] peek_char((0x56051b6b4f40), _72540)
   Exit: (193) [system] peek_char((0x56051b6b4f40), u)
^  Call: (193) [user] is_delimiter(u)
   Call: (194) [system] char_type(u, space)
   Call: (194) [system] arg(_76332, v('(', ')', end_of_file), u)
   Call: (193) [system] ')'==u
   Call: (193) [system] get_char((0x56051b6b4f40), u)
   Exit: (193) [system] get_char((0x56051b6b4f40), u)
   Call: (193) [system] u=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _80902)
   Call: (194) [system] peek_char((0x56051b6b4f40), _81836)
   Exit: (194) [system] peek_char((0x56051b6b4f40), n)
^  Call: (194) [user] is_delimiter(n)
   Call: (195) [system] char_type(n, space)
   Call: (195) [system] arg(_85628, v('(', ')', end_of_file), n)
   Call: (194) [system] ')'==n
   Call: (194) [system] get_char((0x56051b6b4f40), n)
   Exit: (194) [system] get_char((0x56051b6b4f40), n)
   Call: (194) [system] n=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _90198)
   Call: (195) [system] peek_char((0x56051b6b4f40), _91132)
   Exit: (195) [system] peek_char((0x56051b6b4f40), c)
^  Call: (195) [user] is_delimiter(c)
   Call: (196) [system] char_type(c, space)
   Call: (196) [system] arg(_94924, v('(', ')', end_of_file), c)
   Call: (195) [system] ')'==c
   Call: (195) [system] get_char((0x56051b6b4f40), c)
   Exit: (195) [system] get_char((0x56051b6b4f40), c)
   Call: (195) [system] c=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _99494)
   Call: (196) [system] peek_char((0x56051b6b4f40), _100428)
   Exit: (196) [system] peek_char((0x56051b6b4f40), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_104220, v('(', ')', end_of_file), t)
   Call: (196) [system] ')'==t
   Call: (196) [system] get_char((0x56051b6b4f40), t)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _108790)
   Call: (197) [system] peek_char((0x56051b6b4f40), _109724)
   Exit: (197) [system] peek_char((0x56051b6b4f40), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_113516, v('(', ')', end_of_file), i)
   Call: (197) [system] ')'==i
   Call: (197) [system] get_char((0x56051b6b4f40), i)
   Exit: (197) [system] get_char((0x56051b6b4f40), i)
   Call: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _118086)
   Call: (198) [system] peek_char((0x56051b6b4f40), _119020)
   Exit: (198) [system] peek_char((0x56051b6b4f40), o)
^  Call: (198) [user] is_delimiter(o)
   Call: (199) [system] char_type(o, space)
   Call: (199) [system] arg(_122812, v('(', ')', end_of_file), o)
   Call: (198) [system] ')'==o
   Call: (198) [system] get_char((0x56051b6b4f40), o)
   Exit: (198) [system] get_char((0x56051b6b4f40), o)
   Call: (198) [system] o=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _127382)
   Call: (199) [system] peek_char((0x56051b6b4f40), _128316)
   Exit: (199) [system] peek_char((0x56051b6b4f40), n)
^  Call: (199) [user] is_delimiter(n)
   Call: (200) [system] char_type(n, space)
   Call: (200) [system] arg(_132108, v('(', ')', end_of_file), n)
   Call: (199) [system] ')'==n
   Call: (199) [system] get_char((0x56051b6b4f40), n)
   Exit: (199) [system] get_char((0x56051b6b4f40), n)
   Call: (199) [system] n=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _136678)
   Call: (200) [system] peek_char((0x56051b6b4f40), _137612)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (200) [user] is_delimiter('I')
   Call: (201) [system] char_type('I', space)
   Call: (201) [system] arg(_141404, v('(', ')', end_of_file), 'I')
   Call: (200) [system] ')'=='I'
   Call: (200) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'I')
   Call: (200) [system] 'I'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _145974)
   Call: (201) [system] peek_char((0x56051b6b4f40), _146908)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_150700, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _155270)
   Call: (202) [system] peek_char((0x56051b6b4f40), _156204)
   Exit: (202) [system] peek_char((0x56051b6b4f40), t)
^  Call: (202) [user] is_delimiter(t)
   Call: (203) [system] char_type(t, space)
   Call: (203) [system] arg(_159996, v('(', ')', end_of_file), t)
   Call: (202) [system] ')'==t
   Call: (202) [system] get_char((0x56051b6b4f40), t)
   Exit: (202) [system] get_char((0x56051b6b4f40), t)
   Call: (202) [system] t=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _164566)
   Call: (203) [system] peek_char((0x56051b6b4f40), _165500)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_169292, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _173862)
   Call: (204) [system] peek_char((0x56051b6b4f40), _174796)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_178588, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _183158)
   Call: (205) [system] peek_char((0x56051b6b4f40), _184092)
   Exit: (205) [system] peek_char((0x56051b6b4f40), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_187884, v('(', ')', end_of_file), d)
   Call: (205) [system] ')'==d
   Call: (205) [system] get_char((0x56051b6b4f40), d)
   Exit: (205) [system] get_char((0x56051b6b4f40), d)
   Call: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _192454)
   Call: (206) [system] peek_char((0x56051b6b4f40), _193388)
   Exit: (206) [system] peek_char((0x56051b6b4f40), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_197180, v('(', ')', end_of_file), u)
   Call: (206) [system] ')'==u
   Call: (206) [system] get_char((0x56051b6b4f40), u)
   Exit: (206) [system] get_char((0x56051b6b4f40), u)
   Call: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _201750)
   Call: (207) [system] peek_char((0x56051b6b4f40), _202684)
   Exit: (207) [system] peek_char((0x56051b6b4f40), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_206476, v('(', ')', end_of_file), c)
   Call: (207) [system] ')'==c
   Call: (207) [system] get_char((0x56051b6b4f40), c)
   Exit: (207) [system] get_char((0x56051b6b4f40), c)
   Call: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _211046)
   Call: (208) [system] peek_char((0x56051b6b4f40), _211980)
   Exit: (208) [system] peek_char((0x56051b6b4f40), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_215772, v('(', ')', end_of_file), t)
   Call: (208) [system] ')'==t
   Call: (208) [system] get_char((0x56051b6b4f40), t)
   Exit: (208) [system] get_char((0x56051b6b4f40), t)
   Call: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _220342)
   Call: (209) [system] peek_char((0x56051b6b4f40), _221276)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_225068, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _229638)
   Call: (210) [system] peek_char((0x56051b6b4f40), _230572)
   Exit: (210) [system] peek_char((0x56051b6b4f40), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_234364, v('(', ')', end_of_file), o)
   Call: (210) [system] ')'==o
   Call: (210) [system] get_char((0x56051b6b4f40), o)
   Exit: (210) [system] get_char((0x56051b6b4f40), o)
   Call: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _238934)
   Call: (211) [system] peek_char((0x56051b6b4f40), _239868)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_243660, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _248230)
   Call: (212) [system] peek_char((0x56051b6b4f40), _249164)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _248230=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _238934=[n]
   Exit: (211) [system] [n]=[n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (210) [system] _229638=[o, n]
   Exit: (210) [system] [o, n]=[o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (209) [system] _220342=[i, o, n]
   Exit: (209) [system] [i, o, n]=[i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (208) [system] _211046=[t, i, o, n]
   Exit: (208) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (207) [system] _201750=[c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (206) [system] _192454=[u, c, t, i, o, n]
   Exit: (206) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (205) [system] _183158=[d, u, c, t, i, o, n]
   Exit: (205) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (204) [system] _173862=[o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (203) [system] _164566=[r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _155270=[t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _145974=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (200) [system] _136678=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (200) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (199) [system] _127382=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (199) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (198) [system] _118086=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (198) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (197) [system] _108790=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (197) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (196) [system] _99494=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (196) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (195) [system] _90198=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (195) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (194) [system] _80902=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (194) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (193) [system] _71606=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (193) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (192) [system] _62310=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (192) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (191) [system] _53014=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (191) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (190) [system] _43718=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (190) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _23174)
^  Call: (191) [system] setup_call_cleanup('$notrace'(_319942, _319944), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _23174), _319918, fail)), '$restore_trace'(_319942, _319944))
^  Call: (192) [system] sig_atomic(system:'$notrace'(_319942, _319944))
^  Exit: (191) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _23174), _319918, fail)), system:'$restore_trace'(3, -1))
   Call: (190) [system] atomic(_23174)
   Call: (190) [system] atom_chars(_23174, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (190) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (189) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (188) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _328394)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _330252)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _337062)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _339766)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _349158)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=')'
   Call: (188) [system] '('=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _352872)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _354730)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _363198)
   Exit: (189) [system] get_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('='('
   Exit: (189) [system] '('='('
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _352872)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _368768)
   Exit: (191) [system] peek_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)=(;)
^  Call: (191) [user] is_like_space(-)
   Call: (192) [system] char_type(-, 'white')
   Call: (192) [system] char_type(-, end_of_line)
   Call: (192) [system] char_type(-, space)
   Call: (192) [system] char_type(-, cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _377236)
   Exit: (190) [system] peek_char((0x56051b6b4f40), -)
   Call: (190) [system] (-)=')'
   Call: (190) [system] (-)=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _380950)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _382808)
   Exit: (192) [system] peek_char((0x56051b6b4f40), -)
   Call: (192) [system] (-)=(;)
^  Call: (192) [user] is_like_space(-)
   Call: (193) [system] char_type(-, 'white')
   Call: (193) [system] char_type(-, end_of_line)
   Call: (193) [system] char_type(-, space)
   Call: (193) [system] char_type(-, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _391276)
   Exit: (191) [system] get_char((0x56051b6b4f40), -)
   Call: (191) [system] (-)='('
   Call: (191) [system] (-)='['
   Call: (191) [system] (-)='{'
   Call: (191) [system] (-)='"'
   Call: (191) [system] (-)=!
   Call: (191) [system] (-)='\''
   Call: (191) [system] (-)='`'
   Call: (191) [system] (-)=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, _380950)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _401494)
   Call: (193) [system] peek_char((0x56051b6b4f40), _402428)
   Exit: (193) [system] peek_char((0x56051b6b4f40), >)
^  Call: (193) [user] is_delimiter(>)
   Call: (194) [system] char_type(>, space)
   Call: (194) [system] arg(_406220, v('(', ')', end_of_file), >)
   Call: (193) [system] ')'==(>)
   Call: (193) [system] get_char((0x56051b6b4f40), >)
   Exit: (193) [system] get_char((0x56051b6b4f40), >)
   Call: (193) [system] (>)=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _410790)
   Call: (194) [system] peek_char((0x56051b6b4f40), _411724)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _410790=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _401494=[>]
   Exit: (193) [system] [>]=[>]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [>])
^  Call: (192) [user] classify_and_convert_charseq(-, [>], _380950)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_423828, _423830), once(user:catch(read_from_chars([-, >], _380950), _423804, fail)), '$restore_trace'(_423828, _423830))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_423828, _423830))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([-, >], ->), _423804, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(->)
   Exit: (193) [system] atomic(->)
^  Exit: (192) [user] classify_and_convert_charseq(-, [>], ->)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), -, ->)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), ->)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _431328)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _433186)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _439996)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _442700)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=(;)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _452092)
   Exit: (191) [system] peek_char((0x56051b6b4f40), $)
   Call: (191) [system] ($)=')'
   Call: (191) [system] ($)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _455806)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _457664)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=(;)
^  Call: (193) [user] is_like_space($)
   Call: (194) [system] char_type($, 'white')
   Call: (194) [system] char_type($, end_of_line)
   Call: (194) [system] char_type($, space)
   Call: (194) [system] char_type($, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _466132)
   Exit: (192) [system] get_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)='('
   Call: (192) [system] ($)='['
   Call: (192) [system] ($)='{'
   Call: (192) [system] ($)='"'
   Call: (192) [system] ($)=!
   Call: (192) [system] ($)='\''
   Call: (192) [system] ($)='`'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), $, _455806)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _476350)
   Call: (194) [system] peek_char((0x56051b6b4f40), _477284)
   Exit: (194) [system] peek_char((0x56051b6b4f40), p)
^  Call: (194) [user] is_delimiter(p)
   Call: (195) [system] char_type(p, space)
   Call: (195) [system] arg(_481076, v('(', ')', end_of_file), p)
   Call: (194) [system] ')'==p
   Call: (194) [system] get_char((0x56051b6b4f40), p)
   Exit: (194) [system] get_char((0x56051b6b4f40), p)
   Call: (194) [system] p=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _485646)
   Call: (195) [system] peek_char((0x56051b6b4f40), _486580)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _485646=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (194) [system] _476350=[p]
   Exit: (194) [system] [p]=[p]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (193) [user] classify_and_convert_charseq($, [p], _455806)
   Call: (194) [system] atom_chars(_498658, ['_', p])
   Exit: (194) [system] atom_chars('_p', ['_', p])
^  Exit: (193) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _503322)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _505180)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _511990)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _514694)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _524086)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _527800)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _529658)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _538126)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _527800)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _548344)
   Call: (195) [system] peek_char((0x56051b6b4f40), _549278)
   Exit: (195) [system] peek_char((0x56051b6b4f40), q)
^  Call: (195) [user] is_delimiter(q)
   Call: (196) [system] char_type(q, space)
   Call: (196) [system] arg(_553070, v('(', ')', end_of_file), q)
   Call: (195) [system] ')'==q
   Call: (195) [system] get_char((0x56051b6b4f40), q)
   Exit: (195) [system] get_char((0x56051b6b4f40), q)
   Call: (195) [system] q=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _557640)
   Call: (196) [system] peek_char((0x56051b6b4f40), _558574)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _557640=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (195) [system] _548344=[q]
   Exit: (195) [system] [q]=[q]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (194) [user] classify_and_convert_charseq($, [q], _527800)
   Call: (195) [system] atom_chars(_570652, ['_', q])
   Exit: (195) [system] atom_chars('_q', ['_', q])
^  Exit: (194) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _575316)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _577174)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _583984)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _586688)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _596080)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _599794)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _601652)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _610120)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _599794)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _615690)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (196) [system] 'O'=(;)
^  Call: (196) [user] is_like_space('O')
   Call: (197) [system] char_type('O', 'white')
   Call: (197) [system] char_type('O', end_of_line)
   Call: (197) [system] char_type('O', space)
   Call: (197) [system] char_type('O', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _624158)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (195) [system] 'O'=')'
   Call: (195) [system] 'O'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _627872)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _629730)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (197) [system] 'O'=(;)
^  Call: (197) [user] is_like_space('O')
   Call: (198) [system] char_type('O', 'white')
   Call: (198) [system] char_type('O', end_of_line)
   Call: (198) [system] char_type('O', space)
   Call: (198) [system] char_type('O', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _638198)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'O')
   Call: (196) [system] 'O'='('
   Call: (196) [system] 'O'='['
   Call: (196) [system] 'O'='{'
   Call: (196) [system] 'O'='"'
   Call: (196) [system] 'O'=!
   Call: (196) [system] 'O'='\''
   Call: (196) [system] 'O'='`'
   Call: (196) [system] 'O'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _627872)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _648416)
   Call: (198) [system] peek_char((0x56051b6b4f40), _649350)
   Exit: (198) [system] peek_char((0x56051b6b4f40), r)
^  Call: (198) [user] is_delimiter(r)
   Call: (199) [system] char_type(r, space)
   Call: (199) [system] arg(_653142, v('(', ')', end_of_file), r)
   Call: (198) [system] ')'==r
   Call: (198) [system] get_char((0x56051b6b4f40), r)
   Exit: (198) [system] get_char((0x56051b6b4f40), r)
   Call: (198) [system] r=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657712)
   Call: (199) [system] peek_char((0x56051b6b4f40), _658646)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (199) [user] is_delimiter('L')
   Call: (200) [system] char_type('L', space)
   Call: (200) [system] arg(_662438, v('(', ')', end_of_file), 'L')
   Call: (199) [system] ')'=='L'
   Call: (199) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (199) [system] get_char((0x56051b6b4f40), 'L')
   Call: (199) [system] 'L'=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _667008)
   Call: (200) [system] peek_char((0x56051b6b4f40), _667942)
   Exit: (200) [system] peek_char((0x56051b6b4f40), i)
^  Call: (200) [user] is_delimiter(i)
   Call: (201) [system] char_type(i, space)
   Call: (201) [system] arg(_671734, v('(', ')', end_of_file), i)
   Call: (200) [system] ')'==i
   Call: (200) [system] get_char((0x56051b6b4f40), i)
   Exit: (200) [system] get_char((0x56051b6b4f40), i)
   Call: (200) [system] i=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _676304)
   Call: (201) [system] peek_char((0x56051b6b4f40), _677238)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_681030, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _685600)
   Call: (202) [system] peek_char((0x56051b6b4f40), _686534)
   Exit: (202) [system] peek_char((0x56051b6b4f40), k)
^  Call: (202) [user] is_delimiter(k)
   Call: (203) [system] char_type(k, space)
   Call: (203) [system] arg(_690326, v('(', ')', end_of_file), k)
   Call: (202) [system] ')'==k
   Call: (202) [system] get_char((0x56051b6b4f40), k)
   Exit: (202) [system] get_char((0x56051b6b4f40), k)
   Call: (202) [system] k=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _694896)
   Call: (203) [system] peek_char((0x56051b6b4f40), _695830)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _694896=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (202) [system] _685600=[k]
   Exit: (202) [system] [k]=[k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (201) [system] _676304=[n, k]
   Exit: (201) [system] [n, k]=[n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (200) [system] _667008=[i, n, k]
   Exit: (200) [system] [i, n, k]=[i, n, k]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (199) [system] _657712=['L', i, n, k]
   Exit: (199) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (198) [system] _648416=[r, 'L', i, n, k]
   Exit: (198) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (197) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _627872)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_719110, _719112), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _627872), _719086, fail)), '$restore_trace'(_719110, _719112))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_719110, _719112))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _627872), _719086, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_627872)
   Call: (198) [system] atom_chars(_627872, ['O', r, 'L', i, n, k])
   Exit: (198) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (197) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _727562)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _729420)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _736230)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _738934)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _748326)
   Exit: (196) [system] peek_char((0x56051b6b4f40), $)
   Call: (196) [system] ($)=')'
   Call: (196) [system] ($)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _752040)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _753898)
   Exit: (198) [system] peek_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)=(;)
^  Call: (198) [user] is_like_space($)
   Call: (199) [system] char_type($, 'white')
   Call: (199) [system] char_type($, end_of_line)
   Call: (199) [system] char_type($, space)
   Call: (199) [system] char_type($, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _762366)
   Exit: (197) [system] get_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)='('
   Call: (197) [system] ($)='['
   Call: (197) [system] ($)='{'
   Call: (197) [system] ($)='"'
   Call: (197) [system] ($)=!
   Call: (197) [system] ($)='\''
   Call: (197) [system] ($)='`'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _752040)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _772584)
   Call: (199) [system] peek_char((0x56051b6b4f40), _773518)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_777310, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _781880)
   Call: (200) [system] peek_char((0x56051b6b4f40), _782814)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _781880=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _772584=[p]
   Exit: (199) [system] [p]=[p]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p])
^  Call: (198) [user] classify_and_convert_charseq($, [p], _752040)
   Call: (199) [system] atom_chars(_794892, ['_', p])
   Exit: (199) [system] atom_chars('_p', ['_', p])
^  Exit: (198) [user] classify_and_convert_charseq($, [p], _p)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), $, _p)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _p)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _799556)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _801414)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _808224)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _810928)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _820320)
   Exit: (197) [system] peek_char((0x56051b6b4f40), $)
   Call: (197) [system] ($)=')'
   Call: (197) [system] ($)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _824034)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _825892)
   Exit: (199) [system] peek_char((0x56051b6b4f40), $)
   Call: (199) [system] ($)=(;)
^  Call: (199) [user] is_like_space($)
   Call: (200) [system] char_type($, 'white')
   Call: (200) [system] char_type($, end_of_line)
   Call: (200) [system] char_type($, space)
   Call: (200) [system] char_type($, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _834360)
   Exit: (198) [system] get_char((0x56051b6b4f40), $)
   Call: (198) [system] ($)='('
   Call: (198) [system] ($)='['
   Call: (198) [system] ($)='{'
   Call: (198) [system] ($)='"'
   Call: (198) [system] ($)=!
   Call: (198) [system] ($)='\''
   Call: (198) [system] ($)='`'
   Call: (198) [system] ($)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _824034)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _844578)
   Call: (200) [system] peek_char((0x56051b6b4f40), _845512)
   Exit: (200) [system] peek_char((0x56051b6b4f40), q)
^  Call: (200) [user] is_delimiter(q)
   Call: (201) [system] char_type(q, space)
   Call: (201) [system] arg(_849304, v('(', ')', end_of_file), q)
   Call: (200) [system] ')'==q
   Call: (200) [system] get_char((0x56051b6b4f40), q)
   Exit: (200) [system] get_char((0x56051b6b4f40), q)
   Call: (200) [system] q=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _853874)
   Call: (201) [system] peek_char((0x56051b6b4f40), _854808)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_858600, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _853874=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (200) [system] _844578=[q]
   Exit: (200) [system] [q]=[q]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q])
^  Call: (199) [user] classify_and_convert_charseq($, [q], _824034)
   Call: (200) [system] atom_chars(_867830, ['_', q])
   Exit: (200) [system] atom_chars('_q', ['_', q])
^  Exit: (199) [user] classify_and_convert_charseq($, [q], _q)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), $, _q)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _q)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _872494)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _874352)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _882820)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _886610)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _872494=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _799556=[_q]
   Exit: (197) [system] [_q]=[_q]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [_q])
   Call: (196) [system] _727562=[_p, _q]
   Exit: (196) [system] [_p, _q]=[_p, _q]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [_p, _q])
   Call: (195) [system] _599794=['OrLink', _p, _q]
   Exit: (195) [system] ['OrLink', _p, _q]=['OrLink', _p, _q]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['OrLink', _p, _q])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', _p, _q])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _900492)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _902350)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _910818)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _914608)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _900492=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _575316=[['OrLink', _p, _q]]
   Exit: (193) [system] [['OrLink', _p, _q]]=[['OrLink', _p, _q]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [['OrLink', _p, _q]])
   Call: (192) [system] _503322=[_q, ['OrLink', _p, _q]]
   Exit: (192) [system] [_q, ['OrLink', _p, _q]]=[_q, ['OrLink', _p, _q]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_q, ['OrLink', _p, _q]])
   Call: (191) [system] _431328=[_p, _q, ['OrLink', _p, _q]]
   Exit: (191) [system] [_p, _q, ['OrLink', _p, _q]]=[_p, _q, ['OrLink', _p, _q]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [_p, _q, ['OrLink', _p, _q]])
   Call: (190) [system] _352872=[->, _p, _q, ['OrLink', _p, _q]]
   Exit: (190) [system] [->, _p, _q, ['OrLink', _p, _q]]=[->, _p, _q, ['OrLink', _p, _q]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [->, _p, _q, ['OrLink', _p, _q]])
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), [->, _p, _q, ['OrLink', _p, _q]])
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _931284)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _933142)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ')')
   Call: (190) [system] ')'=(;)
^  Call: (190) [user] is_like_space(')')
   Call: (191) [system] char_type(')', 'white')
   Call: (191) [system] char_type(')', end_of_line)
   Call: (191) [system] char_type(')', space)
   Call: (191) [system] char_type(')', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _941610)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=')'
   Exit: (189) [system] ')'=')'
   Call: (189) [system] get_char((0x56051b6b4f40), _945400)
   Exit: (189) [system] get_char((0x56051b6b4f40), ')')
   Call: (189) [system] _931284=[]
   Exit: (189) [system] []=[]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (188) [system] _328394=[[->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (188) [system] [[->, _p, _q, ['OrLink', _p, _q]]]=[[->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [[->, _p, _q, ['OrLink', _p, _q]]])
   Call: (187) [system] _3386=['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (187) [system] ['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]=['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
   Call: (186) [system] _3378=[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
   Exit: (186) [system] [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]=[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
^  Exit: (184) [user] cont_sexpr(')', (0x56051b6b4f40), [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]])
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _959282)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _961140)
   Exit: (186) [system] peek_char((0x56051b6b4f40), ')')
   Call: (186) [system] ')'=(;)
^  Call: (186) [user] is_like_space(')')
   Call: (187) [system] char_type(')', 'white')
   Call: (187) [system] char_type(')', end_of_line)
   Call: (187) [system] char_type(')', space)
   Call: (187) [system] char_type(')', cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _969608)
   Exit: (185) [system] peek_char((0x56051b6b4f40), ')')
   Call: (185) [system] ')'=')'
   Exit: (185) [system] ')'=')'
   Call: (185) [system] get_char((0x56051b6b4f40), _973398)
   Exit: (185) [system] get_char((0x56051b6b4f40), ')')
   Call: (185) [system] _959282=[]
   Exit: (185) [system] []=[]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (184) [system] _3374=[[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (184) [system] [[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (183) [user] read_list(')', (0x56051b6b4f40), [[:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
   Call: (183) [system] _3362=[[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (183) [system] [[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (182) [user] read_list(')', (0x56051b6b4f40), [[rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
   Call: (182) [system] _3322=[=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
   Exit: (182) [system] [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]=[=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]
^  Exit: (181) [user] read_list(')', (0x56051b6b4f40), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Exit: (180) [user] cont_sexpr(')', (0x56051b6b4f40), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Exit: (179) [user] read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]])
^  Call: (179) [user] assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))
^  Exit: (179) [user] assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))
^  Exit: (177) [system] once(user:(read_position((0x56051b6b4f40), 116, 0, 4769, '$stream_position'(4769, 116, 0, 4769)), read_sexpr((0x56051b6b4f40), [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]]), assertz(metta_file_comment(116, 0, 4769, [=, [rb], [:, 'DisjunctionIntroduction', [->, _p, _q, ['OrLink', _p, _q]]]], '$stream_position'(4769, 116, 0, 4769)))))
   Call: (177) [system] fail
^  Call: (177) [user] retract(metta_file_comment(_991916, _991918, _991920, _991922, _991924))
^  Exit: (177) [user] retract(metta_file_comment(74, 0, 2755, '$COMMENT'(";; Quaternary rule", 74, 0), '$stream_position'(2755, 74, 0, 2755)))
^  Call: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _3084)
^  Call: (178) [user] once(call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _994752))
^  Call: (179) [user] call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), _994752)
^  Call: (180) [user] untyped_to_metta('$COMMENT'(";; Quaternary rule", 74, 0), _994752)
^  Call: (181) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _997568))
^  Call: (182) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _997568))
^  Call: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _997568)
^  Call: (184) [user] once(call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1000368))
^  Call: (185) [user] call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), _1000368)
^  Call: (186) [user] mfix_vars1('$COMMENT'(";; Quaternary rule", 74, 0), _1000368)
   Call: (187) [system] var('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] atom('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==true
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==false
   Call: (187) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==[_1006888, _1006894]
   Call: (187) [system] is_list('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] string('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] compound('$COMMENT'(";; Quaternary rule", 74, 0))
   Exit: (187) [system] compound('$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), _1011522, _1011524)
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT', [";; Quaternary rule", 74, 0])
   Call: (187) [system] '$COMMENT'\=='$VAR'
   Exit: (187) [system] '$COMMENT'\=='$VAR'
^  Call: (187) [user] apply:maplist(mfix_vars1, [";; Quaternary rule", 74, 0], _1015264)
   Call: (188) [apply] apply:maplist_([";; Quaternary rule", 74, 0], _1015264, user:mfix_vars1)
^  Call: (189) [user] mfix_vars1(";; Quaternary rule", _1017144)
   Call: (190) [system] var(";; Quaternary rule")
   Call: (190) [system] atom(";; Quaternary rule")
   Call: (190) [system] ";; Quaternary rule"==true
   Call: (190) [system] ";; Quaternary rule"==false
   Call: (190) [system] ";; Quaternary rule"==[_1021786, _1021792]
   Call: (190) [system] is_list(";; Quaternary rule")
   Call: (190) [system] string(";; Quaternary rule")
   Exit: (190) [system] string(";; Quaternary rule")
^  Call: (190) [user] string_to_syms
   Call: (191) [system] fail
   Call: (190) [system] compound(";; Quaternary rule")
^  Call: (190) [user] symbol(";; Quaternary rule")
   Call: (191) [system] atom(";; Quaternary rule")
   Fail: (191) [system] atom(";; Quaternary rule")
^  Fail: (190) [user] symbol(";; Quaternary rule")
   Call: (190) [system] ";; Quaternary rule"=_1017144
   Exit: (190) [system] ";; Quaternary rule"=";; Quaternary rule"
^  Exit: (189) [user] mfix_vars1(";; Quaternary rule", ";; Quaternary rule")
   Call: (189) [apply] apply:maplist_([74, 0], _1017146, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(74, _1035666)
   Call: (191) [system] var(74)
   Call: (191) [system] atom(74)
   Call: (191) [system] 74==true
   Call: (191) [system] 74==false
   Call: (191) [system] 74==[_1040308, _1040314]
   Call: (191) [system] is_list(74)
   Call: (191) [system] string(74)
   Call: (191) [system] compound(74)
^  Call: (191) [user] symbol(74)
   Call: (192) [system] atom(74)
   Fail: (192) [system] atom(74)
^  Fail: (191) [user] symbol(74)
   Call: (191) [system] 74=_1035666
   Exit: (191) [system] 74=74
^  Exit: (190) [user] mfix_vars1(74, 74)
   Call: (190) [apply] apply:maplist_([0], _1035668, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(0, _1051432)
   Call: (192) [system] var(0)
   Call: (192) [system] atom(0)
   Call: (192) [system] 0==true
   Call: (192) [system] 0==false
   Call: (192) [system] 0==[_1056074, _1056080]
   Call: (192) [system] is_list(0)
   Call: (192) [system] string(0)
   Call: (192) [system] compound(0)
^  Call: (192) [user] symbol(0)
   Call: (193) [system] atom(0)
   Fail: (193) [system] atom(0)
^  Fail: (192) [user] symbol(0)
   Call: (192) [system] 0=_1051432
   Exit: (192) [system] 0=0
^  Exit: (191) [user] mfix_vars1(0, 0)
   Call: (191) [apply] apply:maplist_([], _1051434, user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([74, 0], [74, 0], user:mfix_vars1)
   Exit: (188) [apply] apply:maplist_([";; Quaternary rule", 74, 0], [";; Quaternary rule", 74, 0], user:mfix_vars1)
^  Exit: (187) [apply] apply:maplist(user:mfix_vars1, [";; Quaternary rule", 74, 0], [";; Quaternary rule", 74, 0])
   Call: (187) [system] compound_name_arguments(_1000368, '$COMMENT', [";; Quaternary rule", 74, 0])
   Exit: (187) [system] compound_name_arguments('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT', [";; Quaternary rule", 74, 0])
^  Exit: (186) [user] mfix_vars1('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1080250))
^  Call: (182) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1080250))
^  Call: (183) [user] trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1080250)
^  Call: (184) [user] once(call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1083050))
^  Call: (185) [user] call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), _1083050)
^  Call: (186) [user] cons_to_c('$COMMENT'(";; Quaternary rule", 74, 0), _1083050)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_c('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Call: (181) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _994752))
^  Call: (182) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _994752))
^  Call: (183) [user] trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _994752)
^  Call: (184) [user] once(call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1097008))
^  Call: (185) [user] call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), _1097008)
^  Call: (186) [user] cons_to_l('$COMMENT'(";; Quaternary rule", 74, 0), _1097008)
^  Call: (187) [user] no_cons_reduce
^  Exit: (187) [user] no_cons_reduce
^  Exit: (186) [user] cons_to_l('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (185) [system] call(user:cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (184) [system] once(user:call(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (184) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (183) [user] trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (182) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (181) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (180) [user] untyped_to_metta('$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (179) [system] call(user:untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (178) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (178) [system] '$COMMENT'(";; Quaternary rule", 74, 0)\=@='$COMMENT'(";; Quaternary rule", 74, 0)
^  Exit: (177) [user] trly(untyped_to_metta, '$COMMENT'(";; Quaternary rule", 74, 0), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (176) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0))))
   Exit: (176) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0))))
^  Exit: (175) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Quaternary rule", 74, 0)))
   Call: (169) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Quaternary rule", 74, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Quaternary rule", 74, 0), nthesize_long_1726792630_1772065, 115)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792639.9176776)
   Call: (173) [system] arg(1, t(1726792638.6715405), _3148)
   Exit: (173) [system] arg(1, t(1726792638.6715405), 1726792638.6715405)
   Call: (173) [system] _3158 is 1726792639.9176776-1726792638.6715405
   Exit: (173) [system] 1.2461371421813965 is 1726792639.9176776-1726792638.6715405
   Call: (173) [system] 1.2461371421813965>4
   Fail: (173) [system] 1.2461371421813965>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 24)
   Call: (175) [system] atom(24+1)
   Call: (175) [system] set_flag(translated_forms, 25)
   Exit: (175) [system] set_flag(translated_forms, 25)
   Exit: (174) [$syspreds] update_flag(translated_forms, 24, 24+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 24, 24+1))
   Exit: (171) [$syspreds] flag(translated_forms, 24, 24+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Quaternary rule", 74, 0), nthesize_long_1726792630_1772065, 115)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Quaternary rule"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Quaternary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Quaternary rule", 74, 0), nthesize_long_1726792630_1772065, 115)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quaternary rule", 74, 0)), 115]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 24, 24+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Quaternary rule", 74, 0), nthesize_long_1726792630_1772065, 115)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 116)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 116))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 116))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1171792)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1179214)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (175) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (176) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (176) [system] peek_char((0x56051b6b4f40), _1186636)
   Exit: (176) [system] peek_char((0x56051b6b4f40), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (177) [system] string((0x56051b6b4f40))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (178) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (178) [system] peek_char((0x56051b6b4f40), _1194974)
   Exit: (178) [system] peek_char((0x56051b6b4f40), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _1197760=(0x56051b6b4f40)
   Exit: (178) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (178) [user] once((read_position((0x56051b6b4f40), _1199628, _1199630, _1199632, _1199634), read_sexpr((0x56051b6b4f40), _1199646), assertz(metta_file_comment(_1199628, _1199630, _1199632, _1199646, _1199634))))
^  Call: (180) [user] read_position((0x56051b6b4f40), _1199628, _1199630, _1199632, _1199634)
   Call: (181) [system] stream_property((0x56051b6b4f40), position(_1199634))
   Call: (182) [system] nonvar((0x56051b6b4f40))
   Exit: (182) [system] nonvar((0x56051b6b4f40))
   Call: (182) [system] nonvar(position(_1199634))
   Exit: (182) [system] nonvar(position(_1199634))
   Exit: (181) [system] stream_property((0x56051b6b4f40), position('$stream_position'(4833, 118, 0, 4833)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4833, 118, 0, 4833), _1199628)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1209886)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(4833, 118, 0, 4833), _1199628)
   Exit: (182) [system] arg(2, '$stream_position'(4833, 118, 0, 4833), 118)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(4833, 118, 0, 4833), 118)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4833, 118, 0, 4833), _1199630)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1217320)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(4833, 118, 0, 4833), _1199630)
   Exit: (182) [system] arg(3, '$stream_position'(4833, 118, 0, 4833), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(4833, 118, 0, 4833), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4833, 118, 0, 4833), _1199632)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1224754)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(4833, 118, 0, 4833), _1199632)
   Exit: (182) [system] arg(1, '$stream_position'(4833, 118, 0, 4833), 4833)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(4833, 118, 0, 4833), 4833)
^  Exit: (180) [user] read_position((0x56051b6b4f40), 118, 0, 4833, '$stream_position'(4833, 118, 0, 4833))
^  Call: (180) [user] read_sexpr((0x56051b6b4f40), _1199646)
   Call: (181) [system] string((0x56051b6b4f40))
^  Call: (181) [user] cont_sexpr(')', (0x56051b6b4f40), _1199646)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1234056)
   Exit: (183) [system] peek_char((0x56051b6b4f40), !)
   Call: (183) [system] !=(;)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] get_char((0x56051b6b4f40), _1242524)
   Exit: (182) [system] get_char((0x56051b6b4f40), !)
   Call: (182) [system] !='('
   Call: (182) [system] !='['
   Call: (182) [system] !='{'
   Call: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x56051b6b4f40), _1249950)
   Call: (183) [system] string((0x56051b6b4f40))
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1249950)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1253660)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1262128)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1249950)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1267698)
   Exit: (186) [system] peek_char((0x56051b6b4f40), a)
   Call: (186) [system] a=(;)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1276166)
   Exit: (185) [system] peek_char((0x56051b6b4f40), a)
   Call: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1279880)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1281738)
   Exit: (187) [system] peek_char((0x56051b6b4f40), a)
   Call: (187) [system] a=(;)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1290206)
   Exit: (186) [system] get_char((0x56051b6b4f40), a)
   Call: (186) [system] a='('
   Call: (186) [system] a='['
   Call: (186) [system] a='{'
   Call: (186) [system] a='"'
   Call: (186) [system] a=!
   Call: (186) [system] a='\''
   Call: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), a, _1279880)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1300424)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1301358)
   Exit: (188) [system] peek_char((0x56051b6b4f40), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_1305150, v('(', ')', end_of_file), s)
   Call: (188) [system] ')'==s
   Call: (188) [system] get_char((0x56051b6b4f40), s)
   Exit: (188) [system] get_char((0x56051b6b4f40), s)
   Call: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1309720)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1310654)
   Exit: (189) [system] peek_char((0x56051b6b4f40), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1314446, v('(', ')', end_of_file), s)
   Call: (189) [system] ')'==s
   Call: (189) [system] get_char((0x56051b6b4f40), s)
   Exit: (189) [system] get_char((0x56051b6b4f40), s)
   Call: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1319016)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1319950)
   Exit: (190) [system] peek_char((0x56051b6b4f40), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1323742, v('(', ')', end_of_file), e)
   Call: (190) [system] ')'==e
   Call: (190) [system] get_char((0x56051b6b4f40), e)
   Exit: (190) [system] get_char((0x56051b6b4f40), e)
   Call: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1328312)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1329246)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1333038, v('(', ')', end_of_file), r)
   Call: (191) [system] ')'==r
   Call: (191) [system] get_char((0x56051b6b4f40), r)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1337608)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1338542)
   Exit: (192) [system] peek_char((0x56051b6b4f40), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1342334, v('(', ')', end_of_file), t)
   Call: (192) [system] ')'==t
   Call: (192) [system] get_char((0x56051b6b4f40), t)
   Exit: (192) [system] get_char((0x56051b6b4f40), t)
   Call: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1346904)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1347838)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1351630, v('(', ')', end_of_file), 'E')
   Call: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x56051b6b4f40), 'E')
   Exit: (193) [system] get_char((0x56051b6b4f40), 'E')
   Call: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1356200)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1357134)
   Exit: (194) [system] peek_char((0x56051b6b4f40), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1360926, v('(', ')', end_of_file), q)
   Call: (194) [system] ')'==q
   Call: (194) [system] get_char((0x56051b6b4f40), q)
   Exit: (194) [system] get_char((0x56051b6b4f40), q)
   Call: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1365496)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1366430)
   Exit: (195) [system] peek_char((0x56051b6b4f40), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1370222, v('(', ')', end_of_file), u)
   Call: (195) [system] ')'==u
   Call: (195) [system] get_char((0x56051b6b4f40), u)
   Exit: (195) [system] get_char((0x56051b6b4f40), u)
   Call: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1374792)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1375726)
   Exit: (196) [system] peek_char((0x56051b6b4f40), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1379518, v('(', ')', end_of_file), a)
   Call: (196) [system] ')'==a
   Call: (196) [system] get_char((0x56051b6b4f40), a)
   Exit: (196) [system] get_char((0x56051b6b4f40), a)
   Call: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1384088)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1385022)
   Exit: (197) [system] peek_char((0x56051b6b4f40), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1388814, v('(', ')', end_of_file), l)
   Call: (197) [system] ')'==l
   Call: (197) [system] get_char((0x56051b6b4f40), l)
   Exit: (197) [system] get_char((0x56051b6b4f40), l)
   Call: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1393384)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1394318)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1398110, v('(', ')', end_of_file), 'T')
   Call: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x56051b6b4f40), 'T')
   Exit: (198) [system] get_char((0x56051b6b4f40), 'T')
   Call: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1402680)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1403614)
   Exit: (199) [system] peek_char((0x56051b6b4f40), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1407406, v('(', ')', end_of_file), o)
   Call: (199) [system] ')'==o
   Call: (199) [system] get_char((0x56051b6b4f40), o)
   Exit: (199) [system] get_char((0x56051b6b4f40), o)
   Call: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1411976)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1412910)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1416702, v('(', ')', end_of_file), 'R')
   Call: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x56051b6b4f40), 'R')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'R')
   Call: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1421272)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1422206)
   Exit: (201) [system] peek_char((0x56051b6b4f40), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1425998, v('(', ')', end_of_file), e)
   Call: (201) [system] ')'==e
   Call: (201) [system] get_char((0x56051b6b4f40), e)
   Exit: (201) [system] get_char((0x56051b6b4f40), e)
   Call: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1430568)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1431502)
   Exit: (202) [system] peek_char((0x56051b6b4f40), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1435294, v('(', ')', end_of_file), s)
   Call: (202) [system] ')'==s
   Call: (202) [system] get_char((0x56051b6b4f40), s)
   Exit: (202) [system] get_char((0x56051b6b4f40), s)
   Call: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1439864)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1440798)
   Exit: (203) [system] peek_char((0x56051b6b4f40), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1444590, v('(', ')', end_of_file), u)
   Call: (203) [system] ')'==u
   Call: (203) [system] get_char((0x56051b6b4f40), u)
   Exit: (203) [system] get_char((0x56051b6b4f40), u)
   Call: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1449160)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1450094)
   Exit: (204) [system] peek_char((0x56051b6b4f40), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1453886, v('(', ')', end_of_file), l)
   Call: (204) [system] ')'==l
   Call: (204) [system] get_char((0x56051b6b4f40), l)
   Exit: (204) [system] get_char((0x56051b6b4f40), l)
   Call: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1458456)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1459390)
   Exit: (205) [system] peek_char((0x56051b6b4f40), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1463182, v('(', ')', end_of_file), t)
   Call: (205) [system] ')'==t
   Call: (205) [system] get_char((0x56051b6b4f40), t)
   Exit: (205) [system] get_char((0x56051b6b4f40), t)
   Call: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1467752)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1468686)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1467752=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1458456=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (204) [system] _1449160=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, t])
   Call: (203) [system] _1439864=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, l, t])
   Call: (202) [system] _1430568=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, u, l, t])
   Call: (201) [system] _1421272=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, u, l, t])
   Call: (200) [system] _1411976=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['R', e, s, u, l, t])
   Call: (199) [system] _1402680=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1393384=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1384088=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1374792=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1365496=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1356200=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _1346904=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _1337608=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _1328312=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _1319016=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _1309720=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _1300424=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1279880)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1528288, _1528290), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1279880), _1528264, fail)), '$restore_trace'(_1528288, _1528290))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1528288, _1528290))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1528264, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(assertEqualToResult)
   Exit: (188) [system] atomic(assertEqualToResult)
^  Exit: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1535788)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1537646)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _1544456)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1547160)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x56051b6b4f40), _1554776)
   Exit: (188) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1557480)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1564290)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1566994)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _1573804)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1576508)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _1583318)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1586022)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1592832)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1595536)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1602346)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1605050)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1619986)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1623700)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1625558)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1634026)
   Exit: (187) [system] get_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1623700)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1639596)
   Exit: (189) [system] peek_char((0x56051b6b4f40), s)
   Call: (189) [system] s=(;)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1648064)
   Exit: (188) [system] peek_char((0x56051b6b4f40), s)
   Call: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _1651778)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1653636)
   Exit: (190) [system] peek_char((0x56051b6b4f40), s)
   Call: (190) [system] s=(;)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _1662104)
   Exit: (189) [system] get_char((0x56051b6b4f40), s)
   Call: (189) [system] s='('
   Call: (189) [system] s='['
   Call: (189) [system] s='{'
   Call: (189) [system] s='"'
   Call: (189) [system] s=!
   Call: (189) [system] s='\''
   Call: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), s, _1651778)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1672322)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1673256)
   Exit: (191) [system] peek_char((0x56051b6b4f40), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_1677048, v('(', ')', end_of_file), y)
   Call: (191) [system] ')'==y
   Call: (191) [system] get_char((0x56051b6b4f40), y)
   Exit: (191) [system] get_char((0x56051b6b4f40), y)
   Call: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1681618)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1682552)
   Exit: (192) [system] peek_char((0x56051b6b4f40), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_1686344, v('(', ')', end_of_file), n)
   Call: (192) [system] ')'==n
   Call: (192) [system] get_char((0x56051b6b4f40), n)
   Exit: (192) [system] get_char((0x56051b6b4f40), n)
   Call: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1690914)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1691848)
   Exit: (193) [system] peek_char((0x56051b6b4f40), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_1695640, v('(', ')', end_of_file), t)
   Call: (193) [system] ')'==t
   Call: (193) [system] get_char((0x56051b6b4f40), t)
   Exit: (193) [system] get_char((0x56051b6b4f40), t)
   Call: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1700210)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1701144)
   Exit: (194) [system] peek_char((0x56051b6b4f40), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_1704936, v('(', ')', end_of_file), h)
   Call: (194) [system] ')'==h
   Call: (194) [system] get_char((0x56051b6b4f40), h)
   Exit: (194) [system] get_char((0x56051b6b4f40), h)
   Call: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1709506)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1710440)
   Exit: (195) [system] peek_char((0x56051b6b4f40), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_1714232, v('(', ')', end_of_file), e)
   Call: (195) [system] ')'==e
   Call: (195) [system] get_char((0x56051b6b4f40), e)
   Exit: (195) [system] get_char((0x56051b6b4f40), e)
   Call: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1718802)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1719736)
   Exit: (196) [system] peek_char((0x56051b6b4f40), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_1723528, v('(', ')', end_of_file), s)
   Call: (196) [system] ')'==s
   Call: (196) [system] get_char((0x56051b6b4f40), s)
   Exit: (196) [system] get_char((0x56051b6b4f40), s)
   Call: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1728098)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1729032)
   Exit: (197) [system] peek_char((0x56051b6b4f40), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1732824, v('(', ')', end_of_file), i)
   Call: (197) [system] ')'==i
   Call: (197) [system] get_char((0x56051b6b4f40), i)
   Exit: (197) [system] get_char((0x56051b6b4f40), i)
   Call: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1737394)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1738328)
   Exit: (198) [system] peek_char((0x56051b6b4f40), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_1742120, v('(', ')', end_of_file), z)
   Call: (198) [system] ')'==z
   Call: (198) [system] get_char((0x56051b6b4f40), z)
   Exit: (198) [system] get_char((0x56051b6b4f40), z)
   Call: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1746690)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1747624)
   Exit: (199) [system] peek_char((0x56051b6b4f40), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1751416, v('(', ')', end_of_file), e)
   Call: (199) [system] ')'==e
   Call: (199) [system] get_char((0x56051b6b4f40), e)
   Exit: (199) [system] get_char((0x56051b6b4f40), e)
   Call: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1755986)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1756920)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1755986=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _1746690=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (198) [system] _1737394=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (197) [system] _1728098=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (196) [system] _1718802=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (195) [system] _1709506=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (194) [system] _1700210=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (193) [system] _1690914=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (192) [system] _1681618=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _1672322=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1651778)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1791376, _1791378), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1651778), _1791352, fail)), '$restore_trace'(_1791376, _1791378))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1791376, _1791378))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1791352, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(synthesize)
   Exit: (191) [system] atomic(synthesize)
^  Exit: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1798876)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1800734)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _1807544)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1810248)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1819640)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _1823354)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1825212)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _1833680)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _1823354)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1839250)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1847718)
   Exit: (191) [system] peek_char((0x56051b6b4f40), :)
   Call: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1851432)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1853290)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1861758)
   Exit: (192) [system] get_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, _1851432)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1871976)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1872910)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _1871976=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _1851432)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_1882220, _1882222), once(user:catch(read_from_chars([:], _1851432), _1882196, fail)), '$restore_trace'(_1882220, _1882222))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_1882220, _1882222))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1882196, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1889720)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1891578)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1898388)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1901092)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1910484)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1914198)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1916056)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1924524)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _1914198)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1934742)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1935676)
   Exit: (195) [system] peek_char((0x56051b6b4f40), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_1939468, v('(', ')', end_of_file), t)
   Call: (195) [system] ')'==t
   Call: (195) [system] get_char((0x56051b6b4f40), t)
   Exit: (195) [system] get_char((0x56051b6b4f40), t)
   Call: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1944038)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1944972)
   Exit: (196) [system] peek_char((0x56051b6b4f40), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_1948764, v('(', ')', end_of_file), e)
   Call: (196) [system] ')'==e
   Call: (196) [system] get_char((0x56051b6b4f40), e)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1953334)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1954268)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_1958060, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1962630)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1963564)
   Exit: (198) [system] peek_char((0x56051b6b4f40), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_1967356, v('(', ')', end_of_file), m)
   Call: (198) [system] ')'==m
   Call: (198) [system] get_char((0x56051b6b4f40), m)
   Exit: (198) [system] get_char((0x56051b6b4f40), m)
   Call: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1971926)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1972860)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1971926=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1962630=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m])
   Call: (197) [system] _1953334=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, m])
   Call: (196) [system] _1944038=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, m])
   Call: (195) [system] _1934742=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _1914198)
   Call: (195) [system] atom_chars(_1993320, ['_', t, e, r, m])
   Exit: (195) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _term)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1997984)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1999842)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _2006652)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _2009356)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _2018748)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _2022462)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _2024320)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _2032788)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _2022462)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2043006)
   Call: (196) [system] peek_char((0x56051b6b4f40), _2043940)
   Exit: (196) [system] peek_char((0x56051b6b4f40), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_2047732, v('(', ')', end_of_file), t)
   Call: (196) [system] ')'==t
   Call: (196) [system] get_char((0x56051b6b4f40), t)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2052302)
   Call: (197) [system] peek_char((0x56051b6b4f40), _2053236)
   Exit: (197) [system] peek_char((0x56051b6b4f40), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_2057028, v('(', ')', end_of_file), y)
   Call: (197) [system] ')'==y
   Call: (197) [system] get_char((0x56051b6b4f40), y)
   Exit: (197) [system] get_char((0x56051b6b4f40), y)
   Call: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2061598)
   Call: (198) [system] peek_char((0x56051b6b4f40), _2062532)
   Exit: (198) [system] peek_char((0x56051b6b4f40), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_2066324, v('(', ')', end_of_file), p)
   Call: (198) [system] ')'==p
   Call: (198) [system] get_char((0x56051b6b4f40), p)
   Exit: (198) [system] get_char((0x56051b6b4f40), p)
   Call: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2070894)
   Call: (199) [system] peek_char((0x56051b6b4f40), _2071828)
   Exit: (199) [system] peek_char((0x56051b6b4f40), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_2075620, v('(', ')', end_of_file), e)
   Call: (199) [system] ')'==e
   Call: (199) [system] get_char((0x56051b6b4f40), e)
   Exit: (199) [system] get_char((0x56051b6b4f40), e)
   Call: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2080190)
   Call: (200) [system] peek_char((0x56051b6b4f40), _2081124)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_2084916, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _2080190=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _2070894=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (198) [system] _2061598=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, e])
   Call: (197) [system] _2052302=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, p, e])
   Call: (196) [system] _3410=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _3406)
   Call: (196) [system] atom_chars(_8990, ['_', t, y, p, e])
   Exit: (196) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _type)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _13654)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _15512)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _23980)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _27770)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _13654=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _3402=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_type])
   Call: (192) [system] _3392=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_term, _type])
   Call: (191) [system] _3384=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _41652)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _43510)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _50320)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _53024)
   Exit: (192) [system] peek_char((0x56051b6b4f40), k)
   Call: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _62416)
   Exit: (190) [system] peek_char((0x56051b6b4f40), k)
   Call: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _66130)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _67988)
   Exit: (192) [system] peek_char((0x56051b6b4f40), k)
   Call: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _76456)
   Exit: (191) [system] get_char((0x56051b6b4f40), k)
   Call: (191) [system] k='('
   Call: (191) [system] k='['
   Call: (191) [system] k='{'
   Call: (191) [system] k='"'
   Call: (191) [system] k=!
   Call: (191) [system] k='\''
   Call: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), k, _66130)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _86674)
   Call: (193) [system] peek_char((0x56051b6b4f40), _87608)
   Exit: (193) [system] peek_char((0x56051b6b4f40), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_91400, v('(', ')', end_of_file), b)
   Call: (193) [system] ')'==b
   Call: (193) [system] get_char((0x56051b6b4f40), b)
   Exit: (193) [system] get_char((0x56051b6b4f40), b)
   Call: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _95970)
   Call: (194) [system] peek_char((0x56051b6b4f40), _96904)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _95970=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _86674=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (192) [user] classify_and_convert_charseq(k, [b], _66130)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_109008, _109010), once(user:catch(read_from_chars([k, b], _66130), _108984, fail)), '$restore_trace'(_109008, _109010))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_109008, _109010))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _108984, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(kb)
   Exit: (193) [system] atomic(kb)
^  Exit: (192) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), kb)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _116508)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _118366)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _125176)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _127880)
   Exit: (193) [system] peek_char((0x56051b6b4f40), r)
   Call: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _137272)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
   Call: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _140986)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _142844)
   Exit: (193) [system] peek_char((0x56051b6b4f40), r)
   Call: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _151312)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] r='('
   Call: (192) [system] r='['
   Call: (192) [system] r='{'
   Call: (192) [system] r='"'
   Call: (192) [system] r=!
   Call: (192) [system] r='\''
   Call: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), r, _140986)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _161530)
   Call: (194) [system] peek_char((0x56051b6b4f40), _162464)
   Exit: (194) [system] peek_char((0x56051b6b4f40), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_166256, v('(', ')', end_of_file), b)
   Call: (194) [system] ')'==b
   Call: (194) [system] get_char((0x56051b6b4f40), b)
   Exit: (194) [system] get_char((0x56051b6b4f40), b)
   Call: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _170826)
   Call: (195) [system] peek_char((0x56051b6b4f40), _171760)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _170826=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (194) [system] _161530=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (193) [user] classify_and_convert_charseq(r, [b], _140986)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_183864, _183866), once(user:catch(read_from_chars([r, b], _140986), _183840, fail)), '$restore_trace'(_183864, _183866))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_183864, _183866))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _183840, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(rb)
   Exit: (194) [system] atomic(rb)
^  Exit: (193) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _191364)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _193222)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _200032)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _202736)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _212128)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _215842)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _217700)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _226168)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _215842)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _231738)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (195) [system] 'S'=(;)
^  Call: (195) [user] is_like_space('S')
   Call: (196) [system] char_type('S', 'white')
   Call: (196) [system] char_type('S', end_of_line)
   Call: (196) [system] char_type('S', space)
   Call: (196) [system] char_type('S', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _240206)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (194) [system] 'S'=')'
   Call: (194) [system] 'S'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _243920)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _245778)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (196) [system] 'S'=(;)
^  Call: (196) [user] is_like_space('S')
   Call: (197) [system] char_type('S', 'white')
   Call: (197) [system] char_type('S', end_of_line)
   Call: (197) [system] char_type('S', space)
   Call: (197) [system] char_type('S', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _254246)
   Exit: (195) [system] get_char((0x56051b6b4f40), 'S')
   Call: (195) [system] 'S'='('
   Call: (195) [system] 'S'='['
   Call: (195) [system] 'S'='{'
   Call: (195) [system] 'S'='"'
   Call: (195) [system] 'S'=!
   Call: (195) [system] 'S'='\''
   Call: (195) [system] 'S'='`'
   Call: (195) [system] 'S'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'S', _243920)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _264464)
   Call: (197) [system] peek_char((0x56051b6b4f40), _265398)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _264464=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq('S', [], _243920)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_274708, _274710), once(user:catch(read_from_chars(['S'], _243920), _274684, fail)), '$restore_trace'(_274708, _274710))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_274708, _274710))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _243920), _274684, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_243920)
   Call: (197) [system] atom_chars(_243920, ['S'])
   Exit: (197) [system] atom_chars('S', ['S'])
^  Exit: (196) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'S', 'S')
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), 'S')
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _283160)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _285018)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _291828)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _294532)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (197) [system] 'Z'=(;)
^  Call: (197) [user] is_like_space('Z')
   Call: (198) [system] char_type('Z', 'white')
   Call: (198) [system] char_type('Z', end_of_line)
   Call: (198) [system] char_type('Z', space)
   Call: (198) [system] char_type('Z', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _303924)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (195) [system] 'Z'=')'
   Call: (195) [system] 'Z'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _307638)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _309496)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (197) [system] 'Z'=(;)
^  Call: (197) [user] is_like_space('Z')
   Call: (198) [system] char_type('Z', 'white')
   Call: (198) [system] char_type('Z', end_of_line)
   Call: (198) [system] char_type('Z', space)
   Call: (198) [system] char_type('Z', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _317964)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'Z')
   Call: (196) [system] 'Z'='('
   Call: (196) [system] 'Z'='['
   Call: (196) [system] 'Z'='{'
   Call: (196) [system] 'Z'='"'
   Call: (196) [system] 'Z'=!
   Call: (196) [system] 'Z'='\''
   Call: (196) [system] 'Z'='`'
   Call: (196) [system] 'Z'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'Z', _307638)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _328182)
   Call: (198) [system] peek_char((0x56051b6b4f40), _329116)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_332908, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _328182=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq('Z', [], _307638)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_339370, _339372), once(user:catch(read_from_chars(['Z'], _307638), _339346, fail)), '$restore_trace'(_339370, _339372))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_339370, _339372))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _307638), _339346, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_307638)
   Call: (198) [system] atom_chars(_307638, ['Z'])
   Exit: (198) [system] atom_chars('Z', ['Z'])
^  Exit: (197) [user] classify_and_convert_charseq('Z', [], 'Z')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'Z', 'Z')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'Z')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _347822)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _349680)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _358148)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _361938)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _347822=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _283160=['Z']
   Exit: (195) [system] ['Z']=['Z']
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['Z'])
   Call: (194) [system] _215842=['S', 'Z']
   Exit: (194) [system] ['S', 'Z']=['S', 'Z']
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), ['S', 'Z'])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), ['S', 'Z'])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _373026)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _374884)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _383352)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _387142)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _373026=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _191364=[['S', 'Z']]
   Exit: (192) [system] [['S', 'Z']]=[['S', 'Z']]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [['S', 'Z']])
   Call: (191) [system] _116508=[rb, ['S', 'Z']]
   Exit: (191) [system] [rb, ['S', 'Z']]=[rb, ['S', 'Z']]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [rb, ['S', 'Z']])
   Call: (190) [system] _41652=[kb, rb, ['S', 'Z']]
   Exit: (190) [system] [kb, rb, ['S', 'Z']]=[kb, rb, ['S', 'Z']]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [kb, rb, ['S', 'Z']])
   Call: (189) [system] _3380=[[:, _term, _type], kb, rb, ['S', 'Z']]
   Exit: (189) [system] [[:, _term, _type], kb, rb, ['S', 'Z']]=[[:, _term, _type], kb, rb, ['S', 'Z']]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[:, _term, _type], kb, rb, ['S', 'Z']])
   Call: (188) [system] _3372=[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]=[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']])
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']])
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _406612)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _408470)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x56051b6b4f40), _416086)
   Exit: (188) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _418790)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _425600)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _428304)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _435114)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _437818)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _444628)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _447332)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _454142)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _456846)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _463656)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _466360)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _473170)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _475874)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _482684)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _485388)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _492198)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _494902)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _511686)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _515400)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _517258)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _525726)
   Exit: (188) [system] get_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _515400)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _531296)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _539764)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _543478)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _545336)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _553804)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _543478)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _559374)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _567842)
   Exit: (191) [system] peek_char((0x56051b6b4f40), :)
   Call: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _571556)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _573414)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _581882)
   Exit: (192) [system] get_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, _571556)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592100)
   Call: (194) [system] peek_char((0x56051b6b4f40), _593034)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _592100=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _571556)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_602344, _602346), once(user:catch(read_from_chars([:], _571556), _602320, fail)), '$restore_trace'(_602344, _602346))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_602344, _602346))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _602320, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _609844)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _611702)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _618512)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _621216)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _630608)
   Exit: (192) [system] peek_char((0x56051b6b4f40), a)
   Call: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _634322)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _636180)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _644648)
   Exit: (193) [system] get_char((0x56051b6b4f40), a)
   Call: (193) [system] a='('
   Call: (193) [system] a='['
   Call: (193) [system] a='{'
   Call: (193) [system] a='"'
   Call: (193) [system] a=!
   Call: (193) [system] a='\''
   Call: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), a, _634322)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _654866)
   Call: (195) [system] peek_char((0x56051b6b4f40), _655800)
   Exit: (195) [system] peek_char((0x56051b6b4f40), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_659592, v('(', ')', end_of_file), b)
   Call: (195) [system] ')'==b
   Call: (195) [system] get_char((0x56051b6b4f40), b)
   Exit: (195) [system] get_char((0x56051b6b4f40), b)
   Call: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _664162)
   Call: (196) [system] peek_char((0x56051b6b4f40), _665096)
   Exit: (196) [system] peek_char((0x56051b6b4f40), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_668888, v('(', ')', end_of_file), c)
   Call: (196) [system] ')'==c
   Call: (196) [system] get_char((0x56051b6b4f40), c)
   Exit: (196) [system] get_char((0x56051b6b4f40), c)
   Call: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _673458)
   Call: (197) [system] peek_char((0x56051b6b4f40), _674392)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _673458=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _664162=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (195) [system] _654866=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (194) [user] classify_and_convert_charseq(a, [b, c], _634322)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_689290, _689292), once(user:catch(read_from_chars([a, b, c], _634322), _689266, fail)), '$restore_trace'(_689290, _689292))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_689290, _689292))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _689266, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(abc)
   Exit: (195) [system] atomic(abc)
^  Exit: (194) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _696790)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _698648)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _705458)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _708162)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _717554)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _721268)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _723126)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _731594)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _721268)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _737164)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (196) [system] 'I'=(;)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _745632)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _749346)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _751204)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (197) [system] 'I'=(;)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _759672)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'I')
   Call: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _749346)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _769890)
   Call: (198) [system] peek_char((0x56051b6b4f40), _770824)
   Exit: (198) [system] peek_char((0x56051b6b4f40), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_774616, v('(', ')', end_of_file), m)
   Call: (198) [system] ')'==m
   Call: (198) [system] get_char((0x56051b6b4f40), m)
   Exit: (198) [system] get_char((0x56051b6b4f40), m)
   Call: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _779186)
   Call: (199) [system] peek_char((0x56051b6b4f40), _780120)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_783912, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _788482)
   Call: (200) [system] peek_char((0x56051b6b4f40), _789416)
   Exit: (200) [system] peek_char((0x56051b6b4f40), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_793208, v('(', ')', end_of_file), l)
   Call: (200) [system] ')'==l
   Call: (200) [system] get_char((0x56051b6b4f40), l)
   Exit: (200) [system] get_char((0x56051b6b4f40), l)
   Call: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _797778)
   Call: (201) [system] peek_char((0x56051b6b4f40), _798712)
   Exit: (201) [system] peek_char((0x56051b6b4f40), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_802504, v('(', ')', end_of_file), i)
   Call: (201) [system] ')'==i
   Call: (201) [system] get_char((0x56051b6b4f40), i)
   Exit: (201) [system] get_char((0x56051b6b4f40), i)
   Call: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _807074)
   Call: (202) [system] peek_char((0x56051b6b4f40), _808008)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_811800, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _816370)
   Call: (203) [system] peek_char((0x56051b6b4f40), _817304)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_821096, v('(', ')', end_of_file), a)
   Call: (203) [system] ')'==a
   Call: (203) [system] get_char((0x56051b6b4f40), a)
   Exit: (203) [system] get_char((0x56051b6b4f40), a)
   Call: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _825666)
   Call: (204) [system] peek_char((0x56051b6b4f40), _826600)
   Exit: (204) [system] peek_char((0x56051b6b4f40), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_830392, v('(', ')', end_of_file), t)
   Call: (204) [system] ')'==t
   Call: (204) [system] get_char((0x56051b6b4f40), t)
   Exit: (204) [system] get_char((0x56051b6b4f40), t)
   Call: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _834962)
   Call: (205) [system] peek_char((0x56051b6b4f40), _835896)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_839688, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _844258)
   Call: (206) [system] peek_char((0x56051b6b4f40), _845192)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_848984, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _853554)
   Call: (207) [system] peek_char((0x56051b6b4f40), _854488)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_858280, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _862850)
   Call: (208) [system] peek_char((0x56051b6b4f40), _863784)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _862850=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _853554=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (206) [system] _844258=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (205) [system] _834962=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (204) [system] _825666=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (203) [system] _816370=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (202) [system] _807074=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (201) [system] _797778=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (200) [system] _788482=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _779186=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _769890=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _749346)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_901034, _901036), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _749346), _901010, fail)), '$restore_trace'(_901034, _901036))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_901034, _901036))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _749346), _901010, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_749346)
   Call: (198) [system] atom_chars(_749346, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (198) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _909486)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _911344)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _918154)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _920858)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _930250)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _933964)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _935822)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _944290)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _933964)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _949860)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (199) [system] 'A'=(;)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _958328)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _962042)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _963900)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (200) [system] 'A'=(;)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _972368)
   Exit: (199) [system] get_char((0x56051b6b4f40), 'A')
   Call: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _962042)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _982586)
   Call: (201) [system] peek_char((0x56051b6b4f40), _983520)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_987312, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _991882)
   Call: (202) [system] peek_char((0x56051b6b4f40), _992816)
   Exit: (202) [system] peek_char((0x56051b6b4f40), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_996608, v('(', ')', end_of_file), d)
   Call: (202) [system] ')'==d
   Call: (202) [system] get_char((0x56051b6b4f40), d)
   Exit: (202) [system] get_char((0x56051b6b4f40), d)
   Call: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1001178)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1002112)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_1005904, v('(', ')', end_of_file), 'L')
   Call: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (203) [system] get_char((0x56051b6b4f40), 'L')
   Call: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1010474)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1011408)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1015200, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1019770)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1020704)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1024496, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1029066)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1030000)
   Exit: (206) [system] peek_char((0x56051b6b4f40), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1033792, v('(', ')', end_of_file), k)
   Call: (206) [system] ')'==k
   Call: (206) [system] get_char((0x56051b6b4f40), k)
   Exit: (206) [system] get_char((0x56051b6b4f40), k)
   Call: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1038362)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1039296)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1038362=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1029066=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (205) [system] _1019770=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (204) [system] _1010474=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (203) [system] _1001178=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (202) [system] _991882=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (201) [system] _982586=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _962042)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1065370, _1065372), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _962042), _1065346, fail)), '$restore_trace'(_1065370, _1065372))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1065370, _1065372))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _962042), _1065346, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_962042)
   Call: (201) [system] atom_chars(_962042, ['A', n, d, 'L', i, n, k])
   Exit: (201) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1073822)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1075680)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1082490)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1085194)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1094586)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1098300)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1100158)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1108626)
   Exit: (200) [system] get_char((0x56051b6b4f40), 'A')
   Call: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1098300)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1118844)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1119778)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1118844=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq('A', [], _1098300)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1129088, _1129090), once(user:catch(read_from_chars(['A'], _1098300), _1129064, fail)), '$restore_trace'(_1129088, _1129090))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1129088, _1129090))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1098300), _1129064, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1098300)
   Call: (202) [system] atom_chars(_1098300, ['A'])
   Exit: (202) [system] atom_chars('A', ['A'])
^  Exit: (201) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1137540)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1139398)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1146208)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1148912)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1158304)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1162018)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1163876)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1172344)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'B')
   Call: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1162018)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1182562)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1183496)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1187288, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1182562=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq('B', [], _1162018)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1193750, _1193752), once(user:catch(read_from_chars(['B'], _1162018), _1193726, fail)), '$restore_trace'(_1193750, _1193752))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1193750, _1193752))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1162018), _1193726, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1162018)
   Call: (203) [system] atom_chars(_1162018, ['B'])
   Exit: (203) [system] atom_chars('B', ['B'])
^  Exit: (202) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1202202)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1204060)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1212528)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1216318)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1202202=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1137540=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (199) [system] _1073822=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (198) [system] _933964=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1230200)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1232058)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1238868)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1241572)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1250964)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1254678)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1256536)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1265004)
   Exit: (198) [system] get_char((0x56051b6b4f40), 'C')
   Call: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1254678)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1275222)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1276156)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1279948, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1275222=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (199) [user] classify_and_convert_charseq('C', [], _1254678)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1286410, _1286412), once(user:catch(read_from_chars(['C'], _1254678), _1286386, fail)), '$restore_trace'(_1286410, _1286412))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1286410, _1286412))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1254678), _1286386, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1254678)
   Call: (200) [system] atom_chars(_1254678, ['C'])
   Exit: (200) [system] atom_chars('C', ['C'])
^  Exit: (199) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1294862)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1296720)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1305188)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _1308978)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _1294862=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _1230200=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (196) [system] _909486=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _721268=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1322860)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1324718)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1333186)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _1336976)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _1322860=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _696790=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _609844=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _543478=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1350858)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1352716)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x56051b6b4f40), _1360332)
   Exit: (191) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1363036)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (192) [system] '\t'=(;)
^  Call: (192) [user] is_like_space('\t')
   Call: (193) [system] char_type('\t', 'white')
   Exit: (193) [system] char_type('\t', 'white')
^  Exit: (192) [user] is_like_space('\t')
   Call: (192) [system] get_char((0x56051b6b4f40), _1369846)
   Exit: (192) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1372550)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (193) [system] '\t'=(;)
^  Call: (193) [user] is_like_space('\t')
   Call: (194) [system] char_type('\t', 'white')
   Exit: (194) [system] char_type('\t', 'white')
^  Exit: (193) [user] is_like_space('\t')
   Call: (193) [system] get_char((0x56051b6b4f40), _1379360)
   Exit: (193) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1382064)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1388874)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1391578)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1403742)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1407456)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1409314)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _1417782)
   Exit: (191) [system] get_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1407456)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1423352)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1431820)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1435534)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1437392)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1445860)
   Exit: (193) [system] get_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), :, _1435534)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1456078)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1457012)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1456078=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (194) [user] classify_and_convert_charseq(:, [], _1435534)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1466322, _1466324), once(user:catch(read_from_chars([:], _1435534), _1466298, fail)), '$restore_trace'(_1466322, _1466324))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1466322, _1466324))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1466298, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1473822)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1475680)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1482490)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1485194)
   Exit: (195) [system] peek_char((0x56051b6b4f40), c)
   Call: (195) [system] c=(;)
^  Call: (195) [user] is_like_space(c)
   Call: (196) [system] char_type(c, 'white')
   Call: (196) [system] char_type(c, end_of_line)
   Call: (196) [system] char_type(c, space)
   Call: (196) [system] char_type(c, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1494586)
   Exit: (193) [system] peek_char((0x56051b6b4f40), c)
   Call: (193) [system] c=')'
   Call: (193) [system] c=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1498300)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1500158)
   Exit: (195) [system] peek_char((0x56051b6b4f40), c)
   Call: (195) [system] c=(;)
^  Call: (195) [user] is_like_space(c)
   Call: (196) [system] char_type(c, 'white')
   Call: (196) [system] char_type(c, end_of_line)
   Call: (196) [system] char_type(c, space)
   Call: (196) [system] char_type(c, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1508626)
   Exit: (194) [system] get_char((0x56051b6b4f40), c)
   Call: (194) [system] c='('
   Call: (194) [system] c='['
   Call: (194) [system] c='{'
   Call: (194) [system] c='"'
   Call: (194) [system] c=!
   Call: (194) [system] c='\''
   Call: (194) [system] c='`'
   Call: (194) [system] c=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), c, _1498300)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1518844)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1519778)
   Exit: (196) [system] peek_char((0x56051b6b4f40), d)
^  Call: (196) [user] is_delimiter(d)
   Call: (197) [system] char_type(d, space)
   Call: (197) [system] arg(_1523570, v('(', ')', end_of_file), d)
   Call: (196) [system] ')'==d
   Call: (196) [system] get_char((0x56051b6b4f40), d)
   Exit: (196) [system] get_char((0x56051b6b4f40), d)
   Call: (196) [system] d=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1528140)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1529074)
   Exit: (197) [system] peek_char((0x56051b6b4f40), e)
^  Call: (197) [user] is_delimiter(e)
   Call: (198) [system] char_type(e, space)
   Call: (198) [system] arg(_1532866, v('(', ')', end_of_file), e)
   Call: (197) [system] ')'==e
   Call: (197) [system] get_char((0x56051b6b4f40), e)
   Exit: (197) [system] get_char((0x56051b6b4f40), e)
   Call: (197) [system] e=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1537436)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1538370)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _1537436=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (197) [system] _1528140=[e]
   Exit: (197) [system] [e]=[e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (196) [system] _1518844=[d, e]
   Exit: (196) [system] [d, e]=[d, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (195) [user] classify_and_convert_charseq(c, [d, e], _1498300)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1553268, _1553270), once(user:catch(read_from_chars([c, d, e], _1498300), _1553244, fail)), '$restore_trace'(_1553268, _1553270))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1553268, _1553270))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1553244, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(cde)
   Exit: (196) [system] atomic(cde)
^  Exit: (195) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1560768)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1562626)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1569436)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1572140)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1581532)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1585246)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1587104)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1595572)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1585246)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1601142)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (197) [system] 'I'=(;)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1609610)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (196) [system] 'I'=')'
   Call: (196) [system] 'I'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1613324)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1615182)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (198) [system] 'I'=(;)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1623650)
   Exit: (197) [system] get_char((0x56051b6b4f40), 'I')
   Call: (197) [system] 'I'='('
   Call: (197) [system] 'I'='['
   Call: (197) [system] 'I'='{'
   Call: (197) [system] 'I'='"'
   Call: (197) [system] 'I'=!
   Call: (197) [system] 'I'='\''
   Call: (197) [system] 'I'='`'
   Call: (197) [system] 'I'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1613324)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1633868)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1634802)
   Exit: (199) [system] peek_char((0x56051b6b4f40), m)
^  Call: (199) [user] is_delimiter(m)
   Call: (200) [system] char_type(m, space)
   Call: (200) [system] arg(_1638594, v('(', ')', end_of_file), m)
   Call: (199) [system] ')'==m
   Call: (199) [system] get_char((0x56051b6b4f40), m)
   Exit: (199) [system] get_char((0x56051b6b4f40), m)
   Call: (199) [system] m=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1643164)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1644098)
   Exit: (200) [system] peek_char((0x56051b6b4f40), p)
^  Call: (200) [user] is_delimiter(p)
   Call: (201) [system] char_type(p, space)
   Call: (201) [system] arg(_1647890, v('(', ')', end_of_file), p)
   Call: (200) [system] ')'==p
   Call: (200) [system] get_char((0x56051b6b4f40), p)
   Exit: (200) [system] get_char((0x56051b6b4f40), p)
   Call: (200) [system] p=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1652460)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1653394)
   Exit: (201) [system] peek_char((0x56051b6b4f40), l)
^  Call: (201) [user] is_delimiter(l)
   Call: (202) [system] char_type(l, space)
   Call: (202) [system] arg(_1657186, v('(', ')', end_of_file), l)
   Call: (201) [system] ')'==l
   Call: (201) [system] get_char((0x56051b6b4f40), l)
   Exit: (201) [system] get_char((0x56051b6b4f40), l)
   Call: (201) [system] l=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1661756)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1662690)
   Exit: (202) [system] peek_char((0x56051b6b4f40), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_1666482, v('(', ')', end_of_file), i)
   Call: (202) [system] ')'==i
   Call: (202) [system] get_char((0x56051b6b4f40), i)
   Exit: (202) [system] get_char((0x56051b6b4f40), i)
   Call: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1671052)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1671986)
   Exit: (203) [system] peek_char((0x56051b6b4f40), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1675778, v('(', ')', end_of_file), c)
   Call: (203) [system] ')'==c
   Call: (203) [system] get_char((0x56051b6b4f40), c)
   Exit: (203) [system] get_char((0x56051b6b4f40), c)
   Call: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1680348)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1681282)
   Exit: (204) [system] peek_char((0x56051b6b4f40), a)
^  Call: (204) [user] is_delimiter(a)
   Call: (205) [system] char_type(a, space)
   Call: (205) [system] arg(_1685074, v('(', ')', end_of_file), a)
   Call: (204) [system] ')'==a
   Call: (204) [system] get_char((0x56051b6b4f40), a)
   Exit: (204) [system] get_char((0x56051b6b4f40), a)
   Call: (204) [system] a=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1689644)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1690578)
   Exit: (205) [system] peek_char((0x56051b6b4f40), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1694370, v('(', ')', end_of_file), t)
   Call: (205) [system] ')'==t
   Call: (205) [system] get_char((0x56051b6b4f40), t)
   Exit: (205) [system] get_char((0x56051b6b4f40), t)
   Call: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1698940)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1699874)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1703666, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1708236)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1709170)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_1712962, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1717532)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1718466)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1722258, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1726828)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1727762)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1726828=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1717532=[n]
   Exit: (208) [system] [n]=[n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (207) [system] _1708236=[o, n]
   Exit: (207) [system] [o, n]=[o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (206) [system] _1698940=[i, o, n]
   Exit: (206) [system] [i, o, n]=[i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (205) [system] _1689644=[t, i, o, n]
   Exit: (205) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (204) [system] _1680348=[a, t, i, o, n]
   Exit: (204) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (203) [system] _1671052=[c, a, t, i, o, n]
   Exit: (203) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (202) [system] _1661756=[i, c, a, t, i, o, n]
   Exit: (202) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (201) [system] _1652460=[l, i, c, a, t, i, o, n]
   Exit: (201) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (200) [system] _1643164=[p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (199) [system] _1633868=[m, p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (198) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1613324)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_1765012, _1765014), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1613324), _1764988, fail)), '$restore_trace'(_1765012, _1765014))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_1765012, _1765014))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1613324), _1764988, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_1613324)
   Call: (199) [system] atom_chars(_1613324, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (199) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (198) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1773464)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1775322)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1782132)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1784836)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1794228)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1797942)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1799800)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1808268)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1797942)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1813838)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (200) [system] 'O'=(;)
^  Call: (200) [user] is_like_space('O')
   Call: (201) [system] char_type('O', 'white')
   Call: (201) [system] char_type('O', end_of_line)
   Call: (201) [system] char_type('O', space)
   Call: (201) [system] char_type('O', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1822306)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (199) [system] 'O'=')'
   Call: (199) [system] 'O'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1826020)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1827878)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (201) [system] 'O'=(;)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1836346)
   Exit: (200) [system] get_char((0x56051b6b4f40), 'O')
   Call: (200) [system] 'O'='('
   Call: (200) [system] 'O'='['
   Call: (200) [system] 'O'='{'
   Call: (200) [system] 'O'='"'
   Call: (200) [system] 'O'=!
   Call: (200) [system] 'O'='\''
   Call: (200) [system] 'O'='`'
   Call: (200) [system] 'O'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1826020)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1846564)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1847498)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1851290, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1855860)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1856794)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_1860586, v('(', ')', end_of_file), 'L')
   Call: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (203) [system] get_char((0x56051b6b4f40), 'L')
   Call: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1865156)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1866090)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1869882, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1874452)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1875386)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1879178, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1883748)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1884682)
   Exit: (206) [system] peek_char((0x56051b6b4f40), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1888474, v('(', ')', end_of_file), k)
   Call: (206) [system] ')'==k
   Call: (206) [system] get_char((0x56051b6b4f40), k)
   Exit: (206) [system] get_char((0x56051b6b4f40), k)
   Call: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1893044)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1893978)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1893044=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1883748=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (205) [system] _1874452=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (204) [system] _1865156=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (203) [system] _1855860=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (202) [system] _1846564=[r, 'L', i, n, k]
   Exit: (202) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1826020)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1917258, _1917260), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1826020), _1917234, fail)), '$restore_trace'(_1917258, _1917260))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1917258, _1917260))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1826020), _1917234, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1826020)
   Call: (202) [system] atom_chars(_1826020, ['O', r, 'L', i, n, k])
   Exit: (202) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1925710)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1927568)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1934378)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1937082)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (202) [system] 'C'=(;)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1946474)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (200) [system] 'C'=')'
   Call: (200) [system] 'C'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1950188)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1952046)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (202) [system] 'C'=(;)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1960514)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'C')
   Call: (201) [system] 'C'='('
   Call: (201) [system] 'C'='['
   Call: (201) [system] 'C'='{'
   Call: (201) [system] 'C'='"'
   Call: (201) [system] 'C'=!
   Call: (201) [system] 'C'='\''
   Call: (201) [system] 'C'='`'
   Call: (201) [system] 'C'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1950188)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1970732)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1971666)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1970732=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq('C', [], _1950188)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1980976, _1980978), once(user:catch(read_from_chars(['C'], _1950188), _1980952, fail)), '$restore_trace'(_1980976, _1980978))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1980976, _1980978))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1950188), _1980952, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1950188)
   Call: (203) [system] atom_chars(_1950188, ['C'])
   Exit: (203) [system] atom_chars('C', ['C'])
^  Exit: (202) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1989428)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1991286)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1998096)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _2000800)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (203) [system] 'D'=(;)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _2010192)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (201) [system] 'D'=')'
   Call: (201) [system] 'D'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _2013906)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _2015764)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (203) [system] 'D'=(;)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _2024232)
   Exit: (202) [system] get_char((0x56051b6b4f40), 'D')
   Call: (202) [system] 'D'='('
   Call: (202) [system] 'D'='['
   Call: (202) [system] 'D'='{'
   Call: (202) [system] 'D'='"'
   Call: (202) [system] 'D'=!
   Call: (202) [system] 'D'='\''
   Call: (202) [system] 'D'='`'
   Call: (202) [system] 'D'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _2013906)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2034450)
   Call: (204) [system] peek_char((0x56051b6b4f40), _2035384)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_2039176, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _2034450=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (203) [user] classify_and_convert_charseq('D', [], _2013906)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_2045638, _2045640), once(user:catch(read_from_chars(['D'], _2013906), _2045614, fail)), '$restore_trace'(_2045638, _2045640))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_2045638, _2045640))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _2013906), _2045614, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_2013906)
   Call: (204) [system] atom_chars(_2013906, ['D'])
   Exit: (204) [system] atom_chars('D', ['D'])
^  Exit: (203) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _2054090)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _2055948)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _2064416)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _2068206)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _2054090=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _1989428=['D']
   Exit: (201) [system] ['D']=['D']
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (200) [system] _1925710=['C', 'D']
   Exit: (200) [system] ['C', 'D']=['C', 'D']
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (199) [system] _1797942=['OrLink', 'C', 'D']
   Exit: (199) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _2082088)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2083946)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _2090756)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _2093460)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (200) [system] 'E'=(;)
^  Call: (200) [user] is_like_space('E')
   Call: (201) [system] char_type('E', 'white')
   Call: (201) [system] char_type('E', end_of_line)
   Call: (201) [system] char_type('E', space)
   Call: (201) [system] char_type('E', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _9602)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (198) [system] 'E'=')'
   Call: (198) [system] 'E'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _13316)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _15174)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (200) [system] 'E'=(;)
^  Call: (200) [user] is_like_space('E')
   Call: (201) [system] char_type('E', 'white')
   Call: (201) [system] char_type('E', end_of_line)
   Call: (201) [system] char_type('E', space)
   Call: (201) [system] char_type('E', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _23642)
   Exit: (199) [system] get_char((0x56051b6b4f40), 'E')
   Call: (199) [system] 'E'='('
   Call: (199) [system] 'E'='['
   Call: (199) [system] 'E'='{'
   Call: (199) [system] 'E'='"'
   Call: (199) [system] 'E'=!
   Call: (199) [system] 'E'='\''
   Call: (199) [system] 'E'='`'
   Call: (199) [system] 'E'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _13316)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _33860)
   Call: (201) [system] peek_char((0x56051b6b4f40), _34794)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_38586, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _33860=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (200) [user] classify_and_convert_charseq('E', [], _13316)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_45048, _45050), once(user:catch(read_from_chars(['E'], _13316), _45024, fail)), '$restore_trace'(_45048, _45050))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_45048, _45050))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _13316), _45024, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_13316)
   Call: (201) [system] atom_chars(_13316, ['E'])
   Exit: (201) [system] atom_chars('E', ['E'])
^  Exit: (200) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _53500)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _55358)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _63826)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x56051b6b4f40), _67616)
   Exit: (199) [system] get_char((0x56051b6b4f40), ')')
   Call: (199) [system] _53500=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (198) [system] _3562=['E']
   Exit: (198) [system] ['E']=['E']
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (197) [system] _3538=[['OrLink', 'C', 'D'], 'E']
   Exit: (197) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (196) [system] _3530=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (196) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _81498)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _83356)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _91824)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _95614)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _81498=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _3526=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (193) [system] _3520=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (193) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (192) [system] _3512=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (192) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _109496)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _111354)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _118164)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _120868)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _130260)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _133974)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _135832)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _144300)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _133974)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _149870)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _158338)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _162052)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _163910)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _172378)
   Exit: (194) [system] get_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, _162052)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _182596)
   Call: (196) [system] peek_char((0x56051b6b4f40), _183530)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _182596=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _162052)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_192840, _192842), once(user:catch(read_from_chars([:], _162052), _192816, fail)), '$restore_trace'(_192840, _192842))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_192840, _192842))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _192816, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _200340)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _202198)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _209008)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _211712)
   Exit: (196) [system] peek_char((0x56051b6b4f40), a)
   Call: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _221104)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _224818)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _226676)
   Exit: (196) [system] peek_char((0x56051b6b4f40), a)
   Call: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _235144)
   Exit: (195) [system] get_char((0x56051b6b4f40), a)
   Call: (195) [system] a='('
   Call: (195) [system] a='['
   Call: (195) [system] a='{'
   Call: (195) [system] a='"'
   Call: (195) [system] a=!
   Call: (195) [system] a='\''
   Call: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), a, _224818)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _245362)
   Call: (197) [system] peek_char((0x56051b6b4f40), _246296)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _245362=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(a, [], _224818)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_255606, _255608), once(user:catch(read_from_chars([a], _224818), _255582, fail)), '$restore_trace'(_255606, _255608))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_255606, _255608))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _255582, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(a)
   Exit: (197) [system] atomic(a)
^  Exit: (196) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _263106)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _264964)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _271774)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _274478)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (197) [system] 'A'=(;)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _283870)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (195) [system] 'A'=')'
   Call: (195) [system] 'A'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _287584)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _289442)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (197) [system] 'A'=(;)
^  Call: (197) [user] is_like_space('A')
   Call: (198) [system] char_type('A', 'white')
   Call: (198) [system] char_type('A', end_of_line)
   Call: (198) [system] char_type('A', space)
   Call: (198) [system] char_type('A', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _297910)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'A')
   Call: (196) [system] 'A'='('
   Call: (196) [system] 'A'='['
   Call: (196) [system] 'A'='{'
   Call: (196) [system] 'A'='"'
   Call: (196) [system] 'A'=!
   Call: (196) [system] 'A'='\''
   Call: (196) [system] 'A'='`'
   Call: (196) [system] 'A'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _287584)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _308128)
   Call: (198) [system] peek_char((0x56051b6b4f40), _309062)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (198) [user] is_delimiter(')')
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] arg(_312854, v('(', ')', end_of_file), ')')
   Exit: (199) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (198) [user] is_delimiter(')')
   Call: (198) [system] _308128=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq('A', [], _287584)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_319316, _319318), once(user:catch(read_from_chars(['A'], _287584), _319292, fail)), '$restore_trace'(_319316, _319318))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_319316, _319318))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _287584), _319292, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_287584)
   Call: (198) [system] atom_chars(_287584, ['A'])
   Exit: (198) [system] atom_chars('A', ['A'])
^  Exit: (197) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _327768)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _329626)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _338094)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _341884)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _327768=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _263106=['A']
   Exit: (195) [system] ['A']=['A']
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (194) [system] _200340=[a, 'A']
   Exit: (194) [system] [a, 'A']=[a, 'A']
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [a, 'A'])
   Call: (193) [system] _133974=[:, a, 'A']
   Exit: (193) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [:, a, 'A'])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [:, a, 'A'])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _355766)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _357624)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _364434)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _367138)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _376530)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _380244)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _382102)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _390570)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _380244)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _396140)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _404608)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _408322)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _410180)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _418648)
   Exit: (195) [system] get_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, _408322)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _428866)
   Call: (197) [system] peek_char((0x56051b6b4f40), _429800)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _428866=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _408322)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_439110, _439112), once(user:catch(read_from_chars([:], _408322), _439086, fail)), '$restore_trace'(_439110, _439112))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_439110, _439112))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _439086, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _446610)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _448468)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _455278)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _457982)
   Exit: (197) [system] peek_char((0x56051b6b4f40), a)
   Call: (197) [system] a=(;)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _467374)
   Exit: (195) [system] peek_char((0x56051b6b4f40), a)
   Call: (195) [system] a=')'
   Call: (195) [system] a=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _471088)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _472946)
   Exit: (197) [system] peek_char((0x56051b6b4f40), a)
   Call: (197) [system] a=(;)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _481414)
   Exit: (196) [system] get_char((0x56051b6b4f40), a)
   Call: (196) [system] a='('
   Call: (196) [system] a='['
   Call: (196) [system] a='{'
   Call: (196) [system] a='"'
   Call: (196) [system] a=!
   Call: (196) [system] a='\''
   Call: (196) [system] a='`'
   Call: (196) [system] a=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), a, _471088)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _491632)
   Call: (198) [system] peek_char((0x56051b6b4f40), _492566)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _491632=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq(a, [], _471088)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_501876, _501878), once(user:catch(read_from_chars([a], _471088), _501852, fail)), '$restore_trace'(_501876, _501878))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_501876, _501878))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _501852, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(a)
   Exit: (198) [system] atomic(a)
^  Exit: (197) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _509376)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _511234)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _518044)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _520748)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (198) [system] 'B'=(;)
^  Call: (198) [user] is_like_space('B')
   Call: (199) [system] char_type('B', 'white')
   Call: (199) [system] char_type('B', end_of_line)
   Call: (199) [system] char_type('B', space)
   Call: (199) [system] char_type('B', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _530140)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (196) [system] 'B'=')'
   Call: (196) [system] 'B'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _533854)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _535712)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (198) [system] 'B'=(;)
^  Call: (198) [user] is_like_space('B')
   Call: (199) [system] char_type('B', 'white')
   Call: (199) [system] char_type('B', end_of_line)
   Call: (199) [system] char_type('B', space)
   Call: (199) [system] char_type('B', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _544180)
   Exit: (197) [system] get_char((0x56051b6b4f40), 'B')
   Call: (197) [system] 'B'='('
   Call: (197) [system] 'B'='['
   Call: (197) [system] 'B'='{'
   Call: (197) [system] 'B'='"'
   Call: (197) [system] 'B'=!
   Call: (197) [system] 'B'='\''
   Call: (197) [system] 'B'='`'
   Call: (197) [system] 'B'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _533854)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _554398)
   Call: (199) [system] peek_char((0x56051b6b4f40), _555332)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_559124, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _554398=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (198) [user] classify_and_convert_charseq('B', [], _533854)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_565586, _565588), once(user:catch(read_from_chars(['B'], _533854), _565562, fail)), '$restore_trace'(_565586, _565588))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_565586, _565588))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _533854), _565562, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_533854)
   Call: (199) [system] atom_chars(_533854, ['B'])
   Exit: (199) [system] atom_chars('B', ['B'])
^  Exit: (198) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _574038)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _575896)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _584364)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _588154)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _574038=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _509376=['B']
   Exit: (196) [system] ['B']=['B']
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (195) [system] _446610=[a, 'B']
   Exit: (195) [system] [a, 'B']=[a, 'B']
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [a, 'B'])
   Call: (194) [system] _380244=[:, a, 'B']
   Exit: (194) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [:, a, 'B'])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [:, a, 'B'])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _602036)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _603894)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (194) [system] '\n'=(;)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x56051b6b4f40), _611510)
   Exit: (194) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _614214)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (195) [system] '\t'=(;)
^  Call: (195) [user] is_like_space('\t')
   Call: (196) [system] char_type('\t', 'white')
   Exit: (196) [system] char_type('\t', 'white')
^  Exit: (195) [user] is_like_space('\t')
   Call: (195) [system] get_char((0x56051b6b4f40), _621024)
   Exit: (195) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _623728)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (196) [system] '\t'=(;)
^  Call: (196) [user] is_like_space('\t')
   Call: (197) [system] char_type('\t', 'white')
   Exit: (197) [system] char_type('\t', 'white')
^  Exit: (196) [user] is_like_space('\t')
   Call: (196) [system] get_char((0x56051b6b4f40), _630538)
   Exit: (196) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _633242)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _640052)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _642756)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _654920)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _658634)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _660492)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _668960)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _658634)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _674530)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _682998)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _686712)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _688570)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _697038)
   Exit: (196) [system] get_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, _686712)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _707256)
   Call: (198) [system] peek_char((0x56051b6b4f40), _708190)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _707256=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _686712)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_717500, _717502), once(user:catch(read_from_chars([:], _686712), _717476, fail)), '$restore_trace'(_717500, _717502))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_717500, _717502))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _717476, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _725000)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _726858)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _733668)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _736372)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _745764)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _749478)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _751336)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _759804)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _749478)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _765374)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _773842)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (198) [system] 'C'=')'
   Call: (198) [system] 'C'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _777556)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _779414)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (200) [system] 'C'=(;)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _787882)
   Exit: (199) [system] get_char((0x56051b6b4f40), 'C')
   Call: (199) [system] 'C'='('
   Call: (199) [system] 'C'='['
   Call: (199) [system] 'C'='{'
   Call: (199) [system] 'C'='"'
   Call: (199) [system] 'C'=!
   Call: (199) [system] 'C'='\''
   Call: (199) [system] 'C'='`'
   Call: (199) [system] 'C'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _777556)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _798100)
   Call: (201) [system] peek_char((0x56051b6b4f40), _799034)
   Exit: (201) [system] peek_char((0x56051b6b4f40), o)
^  Call: (201) [user] is_delimiter(o)
   Call: (202) [system] char_type(o, space)
   Call: (202) [system] arg(_802826, v('(', ')', end_of_file), o)
   Call: (201) [system] ')'==o
   Call: (201) [system] get_char((0x56051b6b4f40), o)
   Exit: (201) [system] get_char((0x56051b6b4f40), o)
   Call: (201) [system] o=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _807396)
   Call: (202) [system] peek_char((0x56051b6b4f40), _808330)
   Exit: (202) [system] peek_char((0x56051b6b4f40), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_812122, v('(', ')', end_of_file), n)
   Call: (202) [system] ')'==n
   Call: (202) [system] get_char((0x56051b6b4f40), n)
   Exit: (202) [system] get_char((0x56051b6b4f40), n)
   Call: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _816692)
   Call: (203) [system] peek_char((0x56051b6b4f40), _817626)
   Exit: (203) [system] peek_char((0x56051b6b4f40), j)
^  Call: (203) [user] is_delimiter(j)
   Call: (204) [system] char_type(j, space)
   Call: (204) [system] arg(_821418, v('(', ')', end_of_file), j)
   Call: (203) [system] ')'==j
   Call: (203) [system] get_char((0x56051b6b4f40), j)
   Exit: (203) [system] get_char((0x56051b6b4f40), j)
   Call: (203) [system] j=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _825988)
   Call: (204) [system] peek_char((0x56051b6b4f40), _826922)
   Exit: (204) [system] peek_char((0x56051b6b4f40), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_830714, v('(', ')', end_of_file), u)
   Call: (204) [system] ')'==u
   Call: (204) [system] get_char((0x56051b6b4f40), u)
   Exit: (204) [system] get_char((0x56051b6b4f40), u)
   Call: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _835284)
   Call: (205) [system] peek_char((0x56051b6b4f40), _836218)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_840010, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _844580)
   Call: (206) [system] peek_char((0x56051b6b4f40), _845514)
   Exit: (206) [system] peek_char((0x56051b6b4f40), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_849306, v('(', ')', end_of_file), c)
   Call: (206) [system] ')'==c
   Call: (206) [system] get_char((0x56051b6b4f40), c)
   Exit: (206) [system] get_char((0x56051b6b4f40), c)
   Call: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _853876)
   Call: (207) [system] peek_char((0x56051b6b4f40), _854810)
   Exit: (207) [system] peek_char((0x56051b6b4f40), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_858602, v('(', ')', end_of_file), t)
   Call: (207) [system] ')'==t
   Call: (207) [system] get_char((0x56051b6b4f40), t)
   Exit: (207) [system] get_char((0x56051b6b4f40), t)
   Call: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _863172)
   Call: (208) [system] peek_char((0x56051b6b4f40), _864106)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_867898, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _872468)
   Call: (209) [system] peek_char((0x56051b6b4f40), _873402)
   Exit: (209) [system] peek_char((0x56051b6b4f40), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_877194, v('(', ')', end_of_file), o)
   Call: (209) [system] ')'==o
   Call: (209) [system] get_char((0x56051b6b4f40), o)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _881764)
   Call: (210) [system] peek_char((0x56051b6b4f40), _882698)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_886490, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _891060)
   Call: (211) [system] peek_char((0x56051b6b4f40), _891994)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (211) [user] is_delimiter('I')
   Call: (212) [system] char_type('I', space)
   Call: (212) [system] arg(_895786, v('(', ')', end_of_file), 'I')
   Call: (211) [system] ')'=='I'
   Call: (211) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _900356)
   Call: (212) [system] peek_char((0x56051b6b4f40), _901290)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_905082, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _909652)
   Call: (213) [system] peek_char((0x56051b6b4f40), _910586)
   Exit: (213) [system] peek_char((0x56051b6b4f40), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_914378, v('(', ')', end_of_file), t)
   Call: (213) [system] ')'==t
   Call: (213) [system] get_char((0x56051b6b4f40), t)
   Exit: (213) [system] get_char((0x56051b6b4f40), t)
   Call: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _918948)
   Call: (214) [system] peek_char((0x56051b6b4f40), _919882)
   Exit: (214) [system] peek_char((0x56051b6b4f40), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_923674, v('(', ')', end_of_file), r)
   Call: (214) [system] ')'==r
   Call: (214) [system] get_char((0x56051b6b4f40), r)
   Exit: (214) [system] get_char((0x56051b6b4f40), r)
   Call: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _928244)
   Call: (215) [system] peek_char((0x56051b6b4f40), _929178)
   Exit: (215) [system] peek_char((0x56051b6b4f40), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_932970, v('(', ')', end_of_file), o)
   Call: (215) [system] ')'==o
   Call: (215) [system] get_char((0x56051b6b4f40), o)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _937540)
   Call: (216) [system] peek_char((0x56051b6b4f40), _938474)
   Exit: (216) [system] peek_char((0x56051b6b4f40), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_942266, v('(', ')', end_of_file), d)
   Call: (216) [system] ')'==d
   Call: (216) [system] get_char((0x56051b6b4f40), d)
   Exit: (216) [system] get_char((0x56051b6b4f40), d)
   Call: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _946836)
   Call: (217) [system] peek_char((0x56051b6b4f40), _947770)
   Exit: (217) [system] peek_char((0x56051b6b4f40), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_951562, v('(', ')', end_of_file), u)
   Call: (217) [system] ')'==u
   Call: (217) [system] get_char((0x56051b6b4f40), u)
   Exit: (217) [system] get_char((0x56051b6b4f40), u)
   Call: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _956132)
   Call: (218) [system] peek_char((0x56051b6b4f40), _957066)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_960858, v('(', ')', end_of_file), c)
   Call: (218) [system] ')'==c
   Call: (218) [system] get_char((0x56051b6b4f40), c)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _965428)
   Call: (219) [system] peek_char((0x56051b6b4f40), _966362)
   Exit: (219) [system] peek_char((0x56051b6b4f40), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_970154, v('(', ')', end_of_file), t)
   Call: (219) [system] ')'==t
   Call: (219) [system] get_char((0x56051b6b4f40), t)
   Exit: (219) [system] get_char((0x56051b6b4f40), t)
   Call: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _974724)
   Call: (220) [system] peek_char((0x56051b6b4f40), _975658)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_979450, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _984020)
   Call: (221) [system] peek_char((0x56051b6b4f40), _984954)
   Exit: (221) [system] peek_char((0x56051b6b4f40), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_988746, v('(', ')', end_of_file), o)
   Call: (221) [system] ')'==o
   Call: (221) [system] get_char((0x56051b6b4f40), o)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _993316)
   Call: (222) [system] peek_char((0x56051b6b4f40), _994250)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_998042, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1002612)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1003546)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1002612=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _993316=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (221) [system] _984020=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (220) [system] _974724=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (219) [system] _965428=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (218) [system] _956132=[c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (217) [system] _946836=[u, c, t, i, o, n]
   Exit: (217) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (216) [system] _937540=[d, u, c, t, i, o, n]
   Exit: (216) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (215) [system] _928244=[o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (214) [system] _918948=[r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _909652=[t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _900356=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _891060=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _881764=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _872468=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _863172=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _853876=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _844580=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _835284=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _825988=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _816692=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _807396=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _798100=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _777556)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1074324, _1074326), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _777556), _1074300, fail)), '$restore_trace'(_1074324, _1074326))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1074324, _1074326))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _777556), _1074300, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_777556)
   Call: (201) [system] atom_chars(_777556, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (201) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1082776)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1084634)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1091444)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1094148)
   Exit: (201) [system] peek_char((0x56051b6b4f40), a)
   Call: (201) [system] a=(;)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1103540)
   Exit: (199) [system] peek_char((0x56051b6b4f40), a)
   Call: (199) [system] a=')'
   Call: (199) [system] a=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1107254)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1109112)
   Exit: (201) [system] peek_char((0x56051b6b4f40), a)
   Call: (201) [system] a=(;)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1117580)
   Exit: (200) [system] get_char((0x56051b6b4f40), a)
   Call: (200) [system] a='('
   Call: (200) [system] a='['
   Call: (200) [system] a='{'
   Call: (200) [system] a='"'
   Call: (200) [system] a=!
   Call: (200) [system] a='\''
   Call: (200) [system] a='`'
   Call: (200) [system] a=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), a, _1107254)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1127798)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1128732)
   Exit: (202) [system] peek_char((0x56051b6b4f40), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1132524, v('(', ')', end_of_file), b)
   Call: (202) [system] ')'==b
   Call: (202) [system] get_char((0x56051b6b4f40), b)
   Exit: (202) [system] get_char((0x56051b6b4f40), b)
   Call: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1137094)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1138028)
   Exit: (203) [system] peek_char((0x56051b6b4f40), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1141820, v('(', ')', end_of_file), c)
   Call: (203) [system] ')'==c
   Call: (203) [system] get_char((0x56051b6b4f40), c)
   Exit: (203) [system] get_char((0x56051b6b4f40), c)
   Call: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1146390)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1147324)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1146390=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1137094=[c]
   Exit: (203) [system] [c]=[c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (202) [system] _1127798=[b, c]
   Exit: (202) [system] [b, c]=[b, c]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (201) [user] classify_and_convert_charseq(a, [b, c], _1107254)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1162222, _1162224), once(user:catch(read_from_chars([a, b, c], _1107254), _1162198, fail)), '$restore_trace'(_1162222, _1162224))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1162222, _1162224))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1162198, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(abc)
   Exit: (202) [system] atomic(abc)
^  Exit: (201) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1169722)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1171580)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1178390)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1181094)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1190486)
   Exit: (200) [system] peek_char((0x56051b6b4f40), a)
   Call: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1194200)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1196058)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1204526)
   Exit: (201) [system] get_char((0x56051b6b4f40), a)
   Call: (201) [system] a='('
   Call: (201) [system] a='['
   Call: (201) [system] a='{'
   Call: (201) [system] a='"'
   Call: (201) [system] a=!
   Call: (201) [system] a='\''
   Call: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), a, _1194200)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1214744)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1215678)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1219470, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1224040)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1224974)
   Exit: (204) [system] peek_char((0x56051b6b4f40), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1228766, v('(', ')', end_of_file), c)
   Call: (204) [system] ')'==c
   Call: (204) [system] get_char((0x56051b6b4f40), c)
   Exit: (204) [system] get_char((0x56051b6b4f40), c)
   Call: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1233336)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1234270)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1238062, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1233336=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1224040=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (203) [system] _1214744=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (202) [user] classify_and_convert_charseq(a, [b, c], _1194200)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1250112, _1250114), once(user:catch(read_from_chars([a, b, c], _1194200), _1250088, fail)), '$restore_trace'(_1250112, _1250114))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1250112, _1250114))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1250088, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1257612)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1259470)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1267938)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1271728)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1257612=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1169722=[abc]
   Exit: (200) [system] [abc]=[abc]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (199) [system] _1082776=[abc, abc]
   Exit: (199) [system] [abc, abc]=[abc, abc]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [abc, abc])
   Call: (198) [system] _749478=['ConjunctionIntroduction', abc, abc]
   Exit: (198) [system] ['ConjunctionIntroduction', abc, abc]=['ConjunctionIntroduction', abc, abc]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, abc])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, abc])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1285610)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1287468)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1294278)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1296982)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1306374)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1310088)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1311946)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1320414)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1310088)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1325984)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (200) [system] 'A'=(;)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1334452)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1338166)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1340024)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1348492)
   Exit: (200) [system] get_char((0x56051b6b4f40), 'A')
   Call: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1338166)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1358710)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1359644)
   Exit: (202) [system] peek_char((0x56051b6b4f40), n)
^  Call: (202) [user] is_delimiter(n)
   Call: (203) [system] char_type(n, space)
   Call: (203) [system] arg(_1363436, v('(', ')', end_of_file), n)
   Call: (202) [system] ')'==n
   Call: (202) [system] get_char((0x56051b6b4f40), n)
   Exit: (202) [system] get_char((0x56051b6b4f40), n)
   Call: (202) [system] n=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1368006)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1368940)
   Exit: (203) [system] peek_char((0x56051b6b4f40), d)
^  Call: (203) [user] is_delimiter(d)
   Call: (204) [system] char_type(d, space)
   Call: (204) [system] arg(_1372732, v('(', ')', end_of_file), d)
   Call: (203) [system] ')'==d
   Call: (203) [system] get_char((0x56051b6b4f40), d)
   Exit: (203) [system] get_char((0x56051b6b4f40), d)
   Call: (203) [system] d=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1377302)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1378236)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_1382028, v('(', ')', end_of_file), 'L')
   Call: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (204) [system] get_char((0x56051b6b4f40), 'L')
   Call: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1386598)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1387532)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1391324, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1395894)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1396828)
   Exit: (206) [system] peek_char((0x56051b6b4f40), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1400620, v('(', ')', end_of_file), n)
   Call: (206) [system] ')'==n
   Call: (206) [system] get_char((0x56051b6b4f40), n)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1405190)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1406124)
   Exit: (207) [system] peek_char((0x56051b6b4f40), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_1409916, v('(', ')', end_of_file), k)
   Call: (207) [system] ')'==k
   Call: (207) [system] get_char((0x56051b6b4f40), k)
   Exit: (207) [system] get_char((0x56051b6b4f40), k)
   Call: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1414486)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1415420)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1414486=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1405190=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (206) [system] _1395894=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (205) [system] _1386598=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (204) [system] _1377302=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (203) [system] _1368006=[d, 'L', i, n, k]
   Exit: (203) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (202) [system] _1358710=[n, d, 'L', i, n, k]
   Exit: (202) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1338166)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1441494, _1441496), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1338166), _1441470, fail)), '$restore_trace'(_1441494, _1441496))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1441494, _1441496))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1338166), _1441470, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1338166)
   Call: (202) [system] atom_chars(_1338166, ['A', n, d, 'L', i, n, k])
   Exit: (202) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1449946)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1451804)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1458614)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1461318)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1470710)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1474424)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1476282)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1484750)
   Exit: (201) [system] get_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1474424)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1490320)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (203) [system] 'I'=(;)
^  Call: (203) [user] is_like_space('I')
   Call: (204) [system] char_type('I', 'white')
   Call: (204) [system] char_type('I', end_of_line)
   Call: (204) [system] char_type('I', space)
   Call: (204) [system] char_type('I', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1498788)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (202) [system] 'I'=')'
   Call: (202) [system] 'I'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1502502)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1504360)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1512828)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'I')
   Call: (203) [system] 'I'='('
   Call: (203) [system] 'I'='['
   Call: (203) [system] 'I'='{'
   Call: (203) [system] 'I'='"'
   Call: (203) [system] 'I'=!
   Call: (203) [system] 'I'='\''
   Call: (203) [system] 'I'='`'
   Call: (203) [system] 'I'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1502502)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1523046)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1523980)
   Exit: (205) [system] peek_char((0x56051b6b4f40), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_1527772, v('(', ')', end_of_file), m)
   Call: (205) [system] ')'==m
   Call: (205) [system] get_char((0x56051b6b4f40), m)
   Exit: (205) [system] get_char((0x56051b6b4f40), m)
   Call: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1532342)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1533276)
   Exit: (206) [system] peek_char((0x56051b6b4f40), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1537068, v('(', ')', end_of_file), p)
   Call: (206) [system] ')'==p
   Call: (206) [system] get_char((0x56051b6b4f40), p)
   Exit: (206) [system] get_char((0x56051b6b4f40), p)
   Call: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1541638)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1542572)
   Exit: (207) [system] peek_char((0x56051b6b4f40), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_1546364, v('(', ')', end_of_file), l)
   Call: (207) [system] ')'==l
   Call: (207) [system] get_char((0x56051b6b4f40), l)
   Exit: (207) [system] get_char((0x56051b6b4f40), l)
   Call: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1550934)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1551868)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1555660, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1560230)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1561164)
   Exit: (209) [system] peek_char((0x56051b6b4f40), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1564956, v('(', ')', end_of_file), c)
   Call: (209) [system] ')'==c
   Call: (209) [system] get_char((0x56051b6b4f40), c)
   Exit: (209) [system] get_char((0x56051b6b4f40), c)
   Call: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1569526)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1570460)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
^  Call: (210) [user] is_delimiter(a)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] arg(_1574252, v('(', ')', end_of_file), a)
   Call: (210) [system] ')'==a
   Call: (210) [system] get_char((0x56051b6b4f40), a)
   Exit: (210) [system] get_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1578822)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1579756)
   Exit: (211) [system] peek_char((0x56051b6b4f40), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_1583548, v('(', ')', end_of_file), t)
   Call: (211) [system] ')'==t
   Call: (211) [system] get_char((0x56051b6b4f40), t)
   Exit: (211) [system] get_char((0x56051b6b4f40), t)
   Call: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1588118)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1589052)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1592844, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1597414)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1598348)
   Exit: (213) [system] peek_char((0x56051b6b4f40), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1602140, v('(', ')', end_of_file), o)
   Call: (213) [system] ')'==o
   Call: (213) [system] get_char((0x56051b6b4f40), o)
   Exit: (213) [system] get_char((0x56051b6b4f40), o)
   Call: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1606710)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1607644)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1611436, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1616006)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1616940)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1616006=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1606710=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (213) [system] _1597414=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (212) [system] _1588118=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (211) [system] _1578822=[t, i, o, n]
   Exit: (211) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (210) [system] _1569526=[a, t, i, o, n]
   Exit: (210) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (209) [system] _1560230=[c, a, t, i, o, n]
   Exit: (209) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (208) [system] _1550934=[i, c, a, t, i, o, n]
   Exit: (208) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (207) [system] _1541638=[l, i, c, a, t, i, o, n]
   Exit: (207) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (206) [system] _1532342=[p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (205) [system] _1523046=[m, p, l, i, c, a, t, i, o, n]
   Exit: (205) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1502502)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1654190, _1654192), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1502502), _1654166, fail)), '$restore_trace'(_1654190, _1654192))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1654190, _1654192))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1502502), _1654166, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1502502)
   Call: (205) [system] atom_chars(_1502502, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (205) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1662642)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1664500)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1671310)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1674014)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1683406)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1687120)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1688978)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1697446)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1687120)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1703016)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1711484)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1715198)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1717056)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1725524)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1715198)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1735742)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1736676)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1740468, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1745038)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1745972)
   Exit: (209) [system] peek_char((0x56051b6b4f40), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1749764, v('(', ')', end_of_file), d)
   Call: (209) [system] ')'==d
   Call: (209) [system] get_char((0x56051b6b4f40), d)
   Exit: (209) [system] get_char((0x56051b6b4f40), d)
   Call: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1754334)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1755268)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_1759060, v('(', ')', end_of_file), 'L')
   Call: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (210) [system] get_char((0x56051b6b4f40), 'L')
   Call: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1763630)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1764564)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1768356, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1772926)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1773860)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1777652, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1782222)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1783156)
   Exit: (213) [system] peek_char((0x56051b6b4f40), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_1786948, v('(', ')', end_of_file), k)
   Call: (213) [system] ')'==k
   Call: (213) [system] get_char((0x56051b6b4f40), k)
   Exit: (213) [system] get_char((0x56051b6b4f40), k)
   Call: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1791518)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1792452)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1791518=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _1782222=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (212) [system] _1772926=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (211) [system] _1763630=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (210) [system] _1754334=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (209) [system] _1745038=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (208) [system] _1735742=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1715198)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1818526, _1818528), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1715198), _1818502, fail)), '$restore_trace'(_1818526, _1818528))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1818526, _1818528))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1715198), _1818502, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1715198)
   Call: (208) [system] atom_chars(_1715198, ['A', n, d, 'L', i, n, k])
   Exit: (208) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1826978)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1828836)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1835646)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1838350)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1847742)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1851456)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1853314)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1861782)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1851456)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1872000)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1872934)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1872000=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (208) [user] classify_and_convert_charseq('A', [], _1851456)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1882244, _1882246), once(user:catch(read_from_chars(['A'], _1851456), _1882220, fail)), '$restore_trace'(_1882244, _1882246))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1882244, _1882246))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1851456), _1882220, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1851456)
   Call: (209) [system] atom_chars(_1851456, ['A'])
   Exit: (209) [system] atom_chars('A', ['A'])
^  Exit: (208) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1890696)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1892554)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1899364)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1902068)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'=(;)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1911460)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (207) [system] 'B'=')'
   Call: (207) [system] 'B'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1915174)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1917032)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'=(;)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1925500)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'B')
   Call: (208) [system] 'B'='('
   Call: (208) [system] 'B'='['
   Call: (208) [system] 'B'='{'
   Call: (208) [system] 'B'='"'
   Call: (208) [system] 'B'=!
   Call: (208) [system] 'B'='\''
   Call: (208) [system] 'B'='`'
   Call: (208) [system] 'B'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1915174)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1935718)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1936652)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1940444, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1935718=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq('B', [], _1915174)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1946906, _1946908), once(user:catch(read_from_chars(['B'], _1915174), _1946882, fail)), '$restore_trace'(_1946906, _1946908))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1946906, _1946908))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1915174), _1946882, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1915174)
   Call: (210) [system] atom_chars(_1915174, ['B'])
   Exit: (210) [system] atom_chars('B', ['B'])
^  Exit: (209) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1955358)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1957216)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1965684)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _1969474)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _1955358=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1890696=['B']
   Exit: (207) [system] ['B']=['B']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (206) [system] _1826978=['A', 'B']
   Exit: (206) [system] ['A', 'B']=['A', 'B']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (205) [system] _1687120=['AndLink', 'A', 'B']
   Exit: (205) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1983356)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1985214)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1992024)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1994728)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _2004120)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _2007834)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _2009692)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _2018160)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'C')
   Call: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2007834)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2028378)
   Call: (207) [system] peek_char((0x56051b6b4f40), _2029312)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_2033104, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _2028378=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (206) [user] classify_and_convert_charseq('C', [], _2007834)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_2039566, _2039568), once(user:catch(read_from_chars(['C'], _2007834), _2039542, fail)), '$restore_trace'(_2039566, _2039568))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_2039566, _2039568))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2007834), _2039542, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_2007834)
   Call: (207) [system] atom_chars(_2007834, ['C'])
   Exit: (207) [system] atom_chars('C', ['C'])
^  Exit: (206) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _2048018)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _2049876)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _2058344)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _2062134)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _2048018=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1983356=['C']
   Exit: (204) [system] ['C']=['C']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (203) [system] _1662642=[['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (202) [system] _1474424=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (202) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _2076016)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _2077874)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _2084684)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _2087388)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _3710)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _7362)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _9220)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _17688)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _7362)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _23258)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _31726)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _35440)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _37298)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _45766)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _35440)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _55984)
   Call: (206) [system] peek_char((0x56051b6b4f40), _56918)
   Exit: (206) [system] peek_char((0x56051b6b4f40), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_60710, v('(', ')', end_of_file), m)
   Call: (206) [system] ')'==m
   Call: (206) [system] get_char((0x56051b6b4f40), m)
   Exit: (206) [system] get_char((0x56051b6b4f40), m)
   Call: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _65280)
   Call: (207) [system] peek_char((0x56051b6b4f40), _66214)
   Exit: (207) [system] peek_char((0x56051b6b4f40), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_70006, v('(', ')', end_of_file), p)
   Call: (207) [system] ')'==p
   Call: (207) [system] get_char((0x56051b6b4f40), p)
   Exit: (207) [system] get_char((0x56051b6b4f40), p)
   Call: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _74576)
   Call: (208) [system] peek_char((0x56051b6b4f40), _75510)
   Exit: (208) [system] peek_char((0x56051b6b4f40), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_79302, v('(', ')', end_of_file), l)
   Call: (208) [system] ')'==l
   Call: (208) [system] get_char((0x56051b6b4f40), l)
   Exit: (208) [system] get_char((0x56051b6b4f40), l)
   Call: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _83872)
   Call: (209) [system] peek_char((0x56051b6b4f40), _84806)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_88598, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _93168)
   Call: (210) [system] peek_char((0x56051b6b4f40), _94102)
   Exit: (210) [system] peek_char((0x56051b6b4f40), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_97894, v('(', ')', end_of_file), c)
   Call: (210) [system] ')'==c
   Call: (210) [system] get_char((0x56051b6b4f40), c)
   Exit: (210) [system] get_char((0x56051b6b4f40), c)
   Call: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _102464)
   Call: (211) [system] peek_char((0x56051b6b4f40), _103398)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_107190, v('(', ')', end_of_file), a)
   Call: (211) [system] ')'==a
   Call: (211) [system] get_char((0x56051b6b4f40), a)
   Exit: (211) [system] get_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _111760)
   Call: (212) [system] peek_char((0x56051b6b4f40), _112694)
   Exit: (212) [system] peek_char((0x56051b6b4f40), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_116486, v('(', ')', end_of_file), t)
   Call: (212) [system] ')'==t
   Call: (212) [system] get_char((0x56051b6b4f40), t)
   Exit: (212) [system] get_char((0x56051b6b4f40), t)
   Call: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _121056)
   Call: (213) [system] peek_char((0x56051b6b4f40), _121990)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_125782, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _130352)
   Call: (214) [system] peek_char((0x56051b6b4f40), _131286)
   Exit: (214) [system] peek_char((0x56051b6b4f40), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_135078, v('(', ')', end_of_file), o)
   Call: (214) [system] ')'==o
   Call: (214) [system] get_char((0x56051b6b4f40), o)
   Exit: (214) [system] get_char((0x56051b6b4f40), o)
   Call: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _139648)
   Call: (215) [system] peek_char((0x56051b6b4f40), _140582)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_144374, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _148944)
   Call: (216) [system] peek_char((0x56051b6b4f40), _149878)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _148944=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _139648=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (214) [system] _130352=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (213) [system] _121056=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (212) [system] _111760=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (211) [system] _102464=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (210) [system] _93168=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (209) [system] _83872=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (208) [system] _74576=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _65280=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _55984=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _35440)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_187128, _187130), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _35440), _187104, fail)), '$restore_trace'(_187128, _187130))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_187128, _187130))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _35440), _187104, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_35440)
   Call: (206) [system] atom_chars(_35440, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _195580)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _197438)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _204248)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _206952)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _216344)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _220058)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _221916)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _230384)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _220058)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _235954)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _244422)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _248136)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _249994)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _258462)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _248136)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _268680)
   Call: (209) [system] peek_char((0x56051b6b4f40), _269614)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_273406, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _277976)
   Call: (210) [system] peek_char((0x56051b6b4f40), _278910)
   Exit: (210) [system] peek_char((0x56051b6b4f40), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_282702, v('(', ')', end_of_file), d)
   Call: (210) [system] ')'==d
   Call: (210) [system] get_char((0x56051b6b4f40), d)
   Exit: (210) [system] get_char((0x56051b6b4f40), d)
   Call: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _287272)
   Call: (211) [system] peek_char((0x56051b6b4f40), _288206)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_291998, v('(', ')', end_of_file), 'L')
   Call: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'L')
   Call: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _296568)
   Call: (212) [system] peek_char((0x56051b6b4f40), _297502)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_301294, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _305864)
   Call: (213) [system] peek_char((0x56051b6b4f40), _306798)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_310590, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _315160)
   Call: (214) [system] peek_char((0x56051b6b4f40), _316094)
   Exit: (214) [system] peek_char((0x56051b6b4f40), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_319886, v('(', ')', end_of_file), k)
   Call: (214) [system] ')'==k
   Call: (214) [system] get_char((0x56051b6b4f40), k)
   Exit: (214) [system] get_char((0x56051b6b4f40), k)
   Call: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _324456)
   Call: (215) [system] peek_char((0x56051b6b4f40), _325390)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _324456=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _315160=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (213) [system] _305864=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (212) [system] _296568=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (211) [system] _287272=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (210) [system] _277976=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (209) [system] _268680=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _248136)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_351464, _351466), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _248136), _351440, fail)), '$restore_trace'(_351464, _351466))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_351464, _351466))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _248136), _351440, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_248136)
   Call: (209) [system] atom_chars(_248136, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _359916)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _361774)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _368584)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _371288)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _380680)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _384394)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _386252)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _394720)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _384394)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _404938)
   Call: (210) [system] peek_char((0x56051b6b4f40), _405872)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _404938=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq('A', [], _384394)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_415182, _415184), once(user:catch(read_from_chars(['A'], _384394), _415158, fail)), '$restore_trace'(_415182, _415184))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_415182, _415184))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _384394), _415158, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_384394)
   Call: (210) [system] atom_chars(_384394, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _423634)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _425492)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _432302)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _435006)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _444398)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _448112)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _449970)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _458438)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _448112)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _468656)
   Call: (211) [system] peek_char((0x56051b6b4f40), _469590)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_473382, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _468656=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('B', [], _448112)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_479844, _479846), once(user:catch(read_from_chars(['B'], _448112), _479820, fail)), '$restore_trace'(_479844, _479846))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_479844, _479846))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _448112), _479820, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_448112)
   Call: (211) [system] atom_chars(_448112, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _488296)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _490154)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _498622)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _502412)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _488296=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _423634=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (207) [system] _359916=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (206) [system] _220058=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _516294)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _518152)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _524962)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _527666)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _537058)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _540772)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _542630)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _551098)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _540772)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _561316)
   Call: (208) [system] peek_char((0x56051b6b4f40), _562250)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_566042, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _561316=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (207) [user] classify_and_convert_charseq('C', [], _540772)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_572504, _572506), once(user:catch(read_from_chars(['C'], _540772), _572480, fail)), '$restore_trace'(_572504, _572506))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_572504, _572506))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _540772), _572480, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_540772)
   Call: (208) [system] atom_chars(_540772, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _580956)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _582814)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _591282)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _595072)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _580956=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _516294=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (204) [system] _195580=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _7362=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _608954)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _610812)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _619280)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _623070)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _608954=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _3706=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (200) [system] _3664=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (200) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (199) [system] _3656=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (199) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _636952)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _638810)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _647278)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _651068)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _636952=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _3652=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (197) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (196) [system] _3628=[['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (196) [system] [['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (195) [system] _3620=[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (195) [system] [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _664950)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _666808)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (195) [system] '\n'=(;)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x56051b6b4f40), _674424)
   Exit: (195) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _677128)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (196) [system] '\t'=(;)
^  Call: (196) [user] is_like_space('\t')
   Call: (197) [system] char_type('\t', 'white')
   Exit: (197) [system] char_type('\t', 'white')
^  Exit: (196) [user] is_like_space('\t')
   Call: (196) [system] get_char((0x56051b6b4f40), _683938)
   Exit: (196) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _686642)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (197) [system] '\t'=(;)
^  Call: (197) [user] is_like_space('\t')
   Call: (198) [system] char_type('\t', 'white')
   Exit: (198) [system] char_type('\t', 'white')
^  Exit: (197) [user] is_like_space('\t')
   Call: (197) [system] get_char((0x56051b6b4f40), _693452)
   Exit: (197) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _696156)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _702966)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _705670)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _717834)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _721548)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _723406)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _731874)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _721548)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _737444)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _745912)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _749626)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _751484)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _759952)
   Exit: (197) [system] get_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, _749626)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _770170)
   Call: (199) [system] peek_char((0x56051b6b4f40), _771104)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _770170=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _749626)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_780414, _780416), once(user:catch(read_from_chars([:], _749626), _780390, fail)), '$restore_trace'(_780414, _780416))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_780414, _780416))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _780390, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _787914)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _789772)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _796582)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _799286)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _808678)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _812392)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _814250)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _822718)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _812392)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _828288)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (200) [system] 'C'=(;)
^  Call: (200) [user] is_like_space('C')
   Call: (201) [system] char_type('C', 'white')
   Call: (201) [system] char_type('C', end_of_line)
   Call: (201) [system] char_type('C', space)
   Call: (201) [system] char_type('C', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _836756)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (199) [system] 'C'=')'
   Call: (199) [system] 'C'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _840470)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _842328)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (201) [system] 'C'=(;)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _850796)
   Exit: (200) [system] get_char((0x56051b6b4f40), 'C')
   Call: (200) [system] 'C'='('
   Call: (200) [system] 'C'='['
   Call: (200) [system] 'C'='{'
   Call: (200) [system] 'C'='"'
   Call: (200) [system] 'C'=!
   Call: (200) [system] 'C'='\''
   Call: (200) [system] 'C'='`'
   Call: (200) [system] 'C'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _840470)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _861014)
   Call: (202) [system] peek_char((0x56051b6b4f40), _861948)
   Exit: (202) [system] peek_char((0x56051b6b4f40), o)
^  Call: (202) [user] is_delimiter(o)
   Call: (203) [system] char_type(o, space)
   Call: (203) [system] arg(_865740, v('(', ')', end_of_file), o)
   Call: (202) [system] ')'==o
   Call: (202) [system] get_char((0x56051b6b4f40), o)
   Exit: (202) [system] get_char((0x56051b6b4f40), o)
   Call: (202) [system] o=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _870310)
   Call: (203) [system] peek_char((0x56051b6b4f40), _871244)
   Exit: (203) [system] peek_char((0x56051b6b4f40), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_875036, v('(', ')', end_of_file), n)
   Call: (203) [system] ')'==n
   Call: (203) [system] get_char((0x56051b6b4f40), n)
   Exit: (203) [system] get_char((0x56051b6b4f40), n)
   Call: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _879606)
   Call: (204) [system] peek_char((0x56051b6b4f40), _880540)
   Exit: (204) [system] peek_char((0x56051b6b4f40), j)
^  Call: (204) [user] is_delimiter(j)
   Call: (205) [system] char_type(j, space)
   Call: (205) [system] arg(_884332, v('(', ')', end_of_file), j)
   Call: (204) [system] ')'==j
   Call: (204) [system] get_char((0x56051b6b4f40), j)
   Exit: (204) [system] get_char((0x56051b6b4f40), j)
   Call: (204) [system] j=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _888902)
   Call: (205) [system] peek_char((0x56051b6b4f40), _889836)
   Exit: (205) [system] peek_char((0x56051b6b4f40), u)
^  Call: (205) [user] is_delimiter(u)
   Call: (206) [system] char_type(u, space)
   Call: (206) [system] arg(_893628, v('(', ')', end_of_file), u)
   Call: (205) [system] ')'==u
   Call: (205) [system] get_char((0x56051b6b4f40), u)
   Exit: (205) [system] get_char((0x56051b6b4f40), u)
   Call: (205) [system] u=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _898198)
   Call: (206) [system] peek_char((0x56051b6b4f40), _899132)
   Exit: (206) [system] peek_char((0x56051b6b4f40), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_902924, v('(', ')', end_of_file), n)
   Call: (206) [system] ')'==n
   Call: (206) [system] get_char((0x56051b6b4f40), n)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _907494)
   Call: (207) [system] peek_char((0x56051b6b4f40), _908428)
   Exit: (207) [system] peek_char((0x56051b6b4f40), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_912220, v('(', ')', end_of_file), c)
   Call: (207) [system] ')'==c
   Call: (207) [system] get_char((0x56051b6b4f40), c)
   Exit: (207) [system] get_char((0x56051b6b4f40), c)
   Call: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _916790)
   Call: (208) [system] peek_char((0x56051b6b4f40), _917724)
   Exit: (208) [system] peek_char((0x56051b6b4f40), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_921516, v('(', ')', end_of_file), t)
   Call: (208) [system] ')'==t
   Call: (208) [system] get_char((0x56051b6b4f40), t)
   Exit: (208) [system] get_char((0x56051b6b4f40), t)
   Call: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _926086)
   Call: (209) [system] peek_char((0x56051b6b4f40), _927020)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_930812, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _935382)
   Call: (210) [system] peek_char((0x56051b6b4f40), _936316)
   Exit: (210) [system] peek_char((0x56051b6b4f40), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_940108, v('(', ')', end_of_file), o)
   Call: (210) [system] ')'==o
   Call: (210) [system] get_char((0x56051b6b4f40), o)
   Exit: (210) [system] get_char((0x56051b6b4f40), o)
   Call: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _944678)
   Call: (211) [system] peek_char((0x56051b6b4f40), _945612)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_949404, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _953974)
   Call: (212) [system] peek_char((0x56051b6b4f40), _954908)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (212) [user] is_delimiter('I')
   Call: (213) [system] char_type('I', space)
   Call: (213) [system] arg(_958700, v('(', ')', end_of_file), 'I')
   Call: (212) [system] ')'=='I'
   Call: (212) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (212) [system] get_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _963270)
   Call: (213) [system] peek_char((0x56051b6b4f40), _964204)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_967996, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _972566)
   Call: (214) [system] peek_char((0x56051b6b4f40), _973500)
   Exit: (214) [system] peek_char((0x56051b6b4f40), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_977292, v('(', ')', end_of_file), t)
   Call: (214) [system] ')'==t
   Call: (214) [system] get_char((0x56051b6b4f40), t)
   Exit: (214) [system] get_char((0x56051b6b4f40), t)
   Call: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _981862)
   Call: (215) [system] peek_char((0x56051b6b4f40), _982796)
   Exit: (215) [system] peek_char((0x56051b6b4f40), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_986588, v('(', ')', end_of_file), r)
   Call: (215) [system] ')'==r
   Call: (215) [system] get_char((0x56051b6b4f40), r)
   Exit: (215) [system] get_char((0x56051b6b4f40), r)
   Call: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _991158)
   Call: (216) [system] peek_char((0x56051b6b4f40), _992092)
   Exit: (216) [system] peek_char((0x56051b6b4f40), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_995884, v('(', ')', end_of_file), o)
   Call: (216) [system] ')'==o
   Call: (216) [system] get_char((0x56051b6b4f40), o)
   Exit: (216) [system] get_char((0x56051b6b4f40), o)
   Call: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1000454)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1001388)
   Exit: (217) [system] peek_char((0x56051b6b4f40), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1005180, v('(', ')', end_of_file), d)
   Call: (217) [system] ')'==d
   Call: (217) [system] get_char((0x56051b6b4f40), d)
   Exit: (217) [system] get_char((0x56051b6b4f40), d)
   Call: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1009750)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1010684)
   Exit: (218) [system] peek_char((0x56051b6b4f40), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_1014476, v('(', ')', end_of_file), u)
   Call: (218) [system] ')'==u
   Call: (218) [system] get_char((0x56051b6b4f40), u)
   Exit: (218) [system] get_char((0x56051b6b4f40), u)
   Call: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1019046)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1019980)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1023772, v('(', ')', end_of_file), c)
   Call: (219) [system] ')'==c
   Call: (219) [system] get_char((0x56051b6b4f40), c)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1028342)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1029276)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1033068, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1037638)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1038572)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1042364, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1046934)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1047868)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1051660, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1056230)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1057164)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1060956, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1065526)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1066460)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1065526=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1056230=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (222) [system] _1046934=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (221) [system] _1037638=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (220) [system] _1028342=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (219) [system] _1019046=[c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (218) [system] _1009750=[u, c, t, i, o, n]
   Exit: (218) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (217) [system] _1000454=[d, u, c, t, i, o, n]
   Exit: (217) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (216) [system] _991158=[o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (215) [system] _981862=[r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _972566=[t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _963270=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _953974=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _944678=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _935382=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _926086=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _916790=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _907494=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _898198=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _888902=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _879606=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _870310=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _861014=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _840470)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1137238, _1137240), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _840470), _1137214, fail)), '$restore_trace'(_1137238, _1137240))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1137238, _1137240))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _840470), _1137214, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_840470)
   Call: (202) [system] atom_chars(_840470, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (202) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1145690)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1147548)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1154358)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1157062)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1166454)
   Exit: (200) [system] peek_char((0x56051b6b4f40), a)
   Call: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1170168)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1172026)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1180494)
   Exit: (201) [system] get_char((0x56051b6b4f40), a)
   Call: (201) [system] a='('
   Call: (201) [system] a='['
   Call: (201) [system] a='{'
   Call: (201) [system] a='"'
   Call: (201) [system] a=!
   Call: (201) [system] a='\''
   Call: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), a, _1170168)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1190712)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1191646)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1195438, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1200008)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1200942)
   Exit: (204) [system] peek_char((0x56051b6b4f40), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1204734, v('(', ')', end_of_file), c)
   Call: (204) [system] ')'==c
   Call: (204) [system] get_char((0x56051b6b4f40), c)
   Exit: (204) [system] get_char((0x56051b6b4f40), c)
   Call: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1209304)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1210238)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1209304=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1200008=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (203) [system] _1190712=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (202) [user] classify_and_convert_charseq(a, [b, c], _1170168)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1225136, _1225138), once(user:catch(read_from_chars([a, b, c], _1170168), _1225112, fail)), '$restore_trace'(_1225136, _1225138))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1225136, _1225138))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1225112, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1232636)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1234494)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1241304)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1244008)
   Exit: (203) [system] peek_char((0x56051b6b4f40), c)
   Call: (203) [system] c=(;)
^  Call: (203) [user] is_like_space(c)
   Call: (204) [system] char_type(c, 'white')
   Call: (204) [system] char_type(c, end_of_line)
   Call: (204) [system] char_type(c, space)
   Call: (204) [system] char_type(c, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1253400)
   Exit: (201) [system] peek_char((0x56051b6b4f40), c)
   Call: (201) [system] c=')'
   Call: (201) [system] c=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1257114)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1258972)
   Exit: (203) [system] peek_char((0x56051b6b4f40), c)
   Call: (203) [system] c=(;)
^  Call: (203) [user] is_like_space(c)
   Call: (204) [system] char_type(c, 'white')
   Call: (204) [system] char_type(c, end_of_line)
   Call: (204) [system] char_type(c, space)
   Call: (204) [system] char_type(c, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1267440)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c='('
   Call: (202) [system] c='['
   Call: (202) [system] c='{'
   Call: (202) [system] c='"'
   Call: (202) [system] c=!
   Call: (202) [system] c='\''
   Call: (202) [system] c='`'
   Call: (202) [system] c=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), c, _1257114)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1277658)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1278592)
   Exit: (204) [system] peek_char((0x56051b6b4f40), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_1282384, v('(', ')', end_of_file), d)
   Call: (204) [system] ')'==d
   Call: (204) [system] get_char((0x56051b6b4f40), d)
   Exit: (204) [system] get_char((0x56051b6b4f40), d)
   Call: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1286954)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1287888)
   Exit: (205) [system] peek_char((0x56051b6b4f40), e)
^  Call: (205) [user] is_delimiter(e)
   Call: (206) [system] char_type(e, space)
   Call: (206) [system] arg(_1291680, v('(', ')', end_of_file), e)
   Call: (205) [system] ')'==e
   Call: (205) [system] get_char((0x56051b6b4f40), e)
   Exit: (205) [system] get_char((0x56051b6b4f40), e)
   Call: (205) [system] e=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1296250)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1297184)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_1300976, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _1296250=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1286954=[e]
   Exit: (205) [system] [e]=[e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (204) [system] _1277658=[d, e]
   Exit: (204) [system] [d, e]=[d, e]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (203) [user] classify_and_convert_charseq(c, [d, e], _1257114)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1313026, _1313028), once(user:catch(read_from_chars([c, d, e], _1257114), _1313002, fail)), '$restore_trace'(_1313026, _1313028))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1313026, _1313028))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1313002, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(cde)
   Exit: (204) [system] atomic(cde)
^  Exit: (203) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1320526)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1322384)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1330852)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1334642)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1320526=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _1232636=[cde]
   Exit: (201) [system] [cde]=[cde]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (200) [system] _1145690=[abc, cde]
   Exit: (200) [system] [abc, cde]=[abc, cde]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [abc, cde])
   Call: (199) [system] _812392=['ConjunctionIntroduction', abc, cde]
   Exit: (199) [system] ['ConjunctionIntroduction', abc, cde]=['ConjunctionIntroduction', abc, cde]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, cde])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, cde])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1348524)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1350382)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1357192)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1359896)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1369288)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1373002)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1374860)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1383328)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1373002)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1388898)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1397366)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1401080)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1402938)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (202) [system] 'A'=(;)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1411406)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1401080)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1421624)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1422558)
   Exit: (203) [system] peek_char((0x56051b6b4f40), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_1426350, v('(', ')', end_of_file), n)
   Call: (203) [system] ')'==n
   Call: (203) [system] get_char((0x56051b6b4f40), n)
   Exit: (203) [system] get_char((0x56051b6b4f40), n)
   Call: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1430920)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1431854)
   Exit: (204) [system] peek_char((0x56051b6b4f40), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_1435646, v('(', ')', end_of_file), d)
   Call: (204) [system] ')'==d
   Call: (204) [system] get_char((0x56051b6b4f40), d)
   Exit: (204) [system] get_char((0x56051b6b4f40), d)
   Call: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1440216)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1441150)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1444942, v('(', ')', end_of_file), 'L')
   Call: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (205) [system] get_char((0x56051b6b4f40), 'L')
   Call: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1449512)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1450446)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1454238, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1458808)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1459742)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1463534, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1468104)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1469038)
   Exit: (208) [system] peek_char((0x56051b6b4f40), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1472830, v('(', ')', end_of_file), k)
   Call: (208) [system] ')'==k
   Call: (208) [system] get_char((0x56051b6b4f40), k)
   Exit: (208) [system] get_char((0x56051b6b4f40), k)
   Call: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1477400)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1478334)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1477400=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1468104=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (207) [system] _1458808=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (206) [system] _1449512=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (205) [system] _1440216=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (204) [system] _1430920=[d, 'L', i, n, k]
   Exit: (204) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (203) [system] _1421624=[n, d, 'L', i, n, k]
   Exit: (203) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1401080)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1504408, _1504410), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1401080), _1504384, fail)), '$restore_trace'(_1504408, _1504410))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1504408, _1504410))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1401080), _1504384, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1401080)
   Call: (203) [system] atom_chars(_1401080, ['A', n, d, 'L', i, n, k])
   Exit: (203) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1512860)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1514718)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1521528)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1524232)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1533624)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1537338)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1539196)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1547664)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1537338)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1553234)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1561702)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1565416)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1567274)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1575742)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1565416)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1585960)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1586894)
   Exit: (206) [system] peek_char((0x56051b6b4f40), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1590686, v('(', ')', end_of_file), m)
   Call: (206) [system] ')'==m
   Call: (206) [system] get_char((0x56051b6b4f40), m)
   Exit: (206) [system] get_char((0x56051b6b4f40), m)
   Call: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1595256)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1596190)
   Exit: (207) [system] peek_char((0x56051b6b4f40), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1599982, v('(', ')', end_of_file), p)
   Call: (207) [system] ')'==p
   Call: (207) [system] get_char((0x56051b6b4f40), p)
   Exit: (207) [system] get_char((0x56051b6b4f40), p)
   Call: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1604552)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1605486)
   Exit: (208) [system] peek_char((0x56051b6b4f40), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1609278, v('(', ')', end_of_file), l)
   Call: (208) [system] ')'==l
   Call: (208) [system] get_char((0x56051b6b4f40), l)
   Exit: (208) [system] get_char((0x56051b6b4f40), l)
   Call: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1613848)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1614782)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1618574, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1623144)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1624078)
   Exit: (210) [system] peek_char((0x56051b6b4f40), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1627870, v('(', ')', end_of_file), c)
   Call: (210) [system] ')'==c
   Call: (210) [system] get_char((0x56051b6b4f40), c)
   Exit: (210) [system] get_char((0x56051b6b4f40), c)
   Call: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1632440)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1633374)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1637166, v('(', ')', end_of_file), a)
   Call: (211) [system] ')'==a
   Call: (211) [system] get_char((0x56051b6b4f40), a)
   Exit: (211) [system] get_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1641736)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1642670)
   Exit: (212) [system] peek_char((0x56051b6b4f40), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1646462, v('(', ')', end_of_file), t)
   Call: (212) [system] ')'==t
   Call: (212) [system] get_char((0x56051b6b4f40), t)
   Exit: (212) [system] get_char((0x56051b6b4f40), t)
   Call: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1651032)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1651966)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1655758, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1660328)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1661262)
   Exit: (214) [system] peek_char((0x56051b6b4f40), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1665054, v('(', ')', end_of_file), o)
   Call: (214) [system] ')'==o
   Call: (214) [system] get_char((0x56051b6b4f40), o)
   Exit: (214) [system] get_char((0x56051b6b4f40), o)
   Call: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1669624)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1670558)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1674350, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1678920)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1679854)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1678920=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1669624=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (214) [system] _1660328=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (213) [system] _1651032=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (212) [system] _1641736=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (211) [system] _1632440=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (210) [system] _1623144=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (209) [system] _1613848=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (208) [system] _1604552=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _1595256=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _1585960=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1565416)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1717104, _1717106), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1565416), _1717080, fail)), '$restore_trace'(_1717104, _1717106))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1717104, _1717106))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1565416), _1717080, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1565416)
   Call: (206) [system] atom_chars(_1565416, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1725556)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1727414)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1734224)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1736928)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1746320)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1750034)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1751892)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1760360)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1750034)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1765930)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1774398)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1778112)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1779970)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1788438)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1778112)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1798656)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1799590)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1803382, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1807952)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1808886)
   Exit: (210) [system] peek_char((0x56051b6b4f40), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1812678, v('(', ')', end_of_file), d)
   Call: (210) [system] ')'==d
   Call: (210) [system] get_char((0x56051b6b4f40), d)
   Exit: (210) [system] get_char((0x56051b6b4f40), d)
   Call: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1817248)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1818182)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1821974, v('(', ')', end_of_file), 'L')
   Call: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'L')
   Call: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1826544)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1827478)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1831270, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1835840)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1836774)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1840566, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1845136)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1846070)
   Exit: (214) [system] peek_char((0x56051b6b4f40), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1849862, v('(', ')', end_of_file), k)
   Call: (214) [system] ')'==k
   Call: (214) [system] get_char((0x56051b6b4f40), k)
   Exit: (214) [system] get_char((0x56051b6b4f40), k)
   Call: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1854432)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1855366)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1854432=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1845136=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (213) [system] _1835840=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (212) [system] _1826544=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (211) [system] _1817248=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (210) [system] _1807952=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (209) [system] _1798656=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1778112)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1881440, _1881442), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1778112), _1881416, fail)), '$restore_trace'(_1881440, _1881442))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1881440, _1881442))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1778112), _1881416, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1778112)
   Call: (209) [system] atom_chars(_1778112, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1889892)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1891750)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1898560)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1901264)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1910656)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1914370)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1916228)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1924696)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1914370)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1934914)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1935848)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1934914=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq('A', [], _1914370)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1945158, _1945160), once(user:catch(read_from_chars(['A'], _1914370), _1945134, fail)), '$restore_trace'(_1945158, _1945160))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1945158, _1945160))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1914370), _1945134, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1914370)
   Call: (210) [system] atom_chars(_1914370, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1953610)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1955468)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1962278)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1964982)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1974374)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1978088)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1979946)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1988414)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1978088)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1998632)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1999566)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_2003358, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1998632=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('B', [], _1978088)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_2009820, _2009822), once(user:catch(read_from_chars(['B'], _1978088), _2009796, fail)), '$restore_trace'(_2009820, _2009822))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_2009820, _2009822))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1978088), _2009796, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1978088)
   Call: (211) [system] atom_chars(_1978088, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _2018272)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _2020130)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _2028598)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _2032388)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _2018272=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1953610=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (207) [system] _1889892=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (206) [system] _1750034=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _2046270)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _2048128)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _2054938)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _2057642)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _2067034)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _2070748)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _2072606)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _2081074)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2070748)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2091292)
   Call: (208) [system] peek_char((0x56051b6b4f40), _2092226)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_2096018, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _3840=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (207) [user] classify_and_convert_charseq('C', [], _3836)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_9402, _9404), once(user:catch(read_from_chars(['C'], _3836), _9378, fail)), '$restore_trace'(_9402, _9404))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_9402, _9404))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _3836), _9378, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_3836)
   Call: (208) [system] atom_chars(_3836, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _17854)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _19712)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _28180)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _31970)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _17854=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _3832=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (204) [system] _3808=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _3800=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _45852)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _47710)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _54520)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _57224)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _66616)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _70330)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _72188)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _80656)
   Exit: (203) [system] get_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _70330)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _86226)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _94694)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _98408)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _100266)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _108734)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _98408)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _118952)
   Call: (207) [system] peek_char((0x56051b6b4f40), _119886)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_123678, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _128248)
   Call: (208) [system] peek_char((0x56051b6b4f40), _129182)
   Exit: (208) [system] peek_char((0x56051b6b4f40), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_132974, v('(', ')', end_of_file), p)
   Call: (208) [system] ')'==p
   Call: (208) [system] get_char((0x56051b6b4f40), p)
   Exit: (208) [system] get_char((0x56051b6b4f40), p)
   Call: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _137544)
   Call: (209) [system] peek_char((0x56051b6b4f40), _138478)
   Exit: (209) [system] peek_char((0x56051b6b4f40), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_142270, v('(', ')', end_of_file), l)
   Call: (209) [system] ')'==l
   Call: (209) [system] get_char((0x56051b6b4f40), l)
   Exit: (209) [system] get_char((0x56051b6b4f40), l)
   Call: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _146840)
   Call: (210) [system] peek_char((0x56051b6b4f40), _147774)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_151566, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _156136)
   Call: (211) [system] peek_char((0x56051b6b4f40), _157070)
   Exit: (211) [system] peek_char((0x56051b6b4f40), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_160862, v('(', ')', end_of_file), c)
   Call: (211) [system] ')'==c
   Call: (211) [system] get_char((0x56051b6b4f40), c)
   Exit: (211) [system] get_char((0x56051b6b4f40), c)
   Call: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _165432)
   Call: (212) [system] peek_char((0x56051b6b4f40), _166366)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_170158, v('(', ')', end_of_file), a)
   Call: (212) [system] ')'==a
   Call: (212) [system] get_char((0x56051b6b4f40), a)
   Exit: (212) [system] get_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _174728)
   Call: (213) [system] peek_char((0x56051b6b4f40), _175662)
   Exit: (213) [system] peek_char((0x56051b6b4f40), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_179454, v('(', ')', end_of_file), t)
   Call: (213) [system] ')'==t
   Call: (213) [system] get_char((0x56051b6b4f40), t)
   Exit: (213) [system] get_char((0x56051b6b4f40), t)
   Call: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _184024)
   Call: (214) [system] peek_char((0x56051b6b4f40), _184958)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_188750, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _193320)
   Call: (215) [system] peek_char((0x56051b6b4f40), _194254)
   Exit: (215) [system] peek_char((0x56051b6b4f40), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_198046, v('(', ')', end_of_file), o)
   Call: (215) [system] ')'==o
   Call: (215) [system] get_char((0x56051b6b4f40), o)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _202616)
   Call: (216) [system] peek_char((0x56051b6b4f40), _203550)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_207342, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _211912)
   Call: (217) [system] peek_char((0x56051b6b4f40), _212846)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _211912=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _202616=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (215) [system] _193320=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (214) [system] _184024=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (213) [system] _174728=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (212) [system] _165432=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (211) [system] _156136=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (210) [system] _146840=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (209) [system] _137544=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _128248=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _118952=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _98408)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_250096, _250098), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _98408), _250072, fail)), '$restore_trace'(_250096, _250098))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_250096, _250098))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _98408), _250072, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_98408)
   Call: (207) [system] atom_chars(_98408, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _258548)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _260406)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _267216)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _269920)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _279312)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _283026)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _284884)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _293352)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _283026)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _298922)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (208) [system] 'O'=(;)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _307390)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _311104)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _312962)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _321430)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'O')
   Call: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _311104)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _331648)
   Call: (210) [system] peek_char((0x56051b6b4f40), _332582)
   Exit: (210) [system] peek_char((0x56051b6b4f40), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_336374, v('(', ')', end_of_file), r)
   Call: (210) [system] ')'==r
   Call: (210) [system] get_char((0x56051b6b4f40), r)
   Exit: (210) [system] get_char((0x56051b6b4f40), r)
   Call: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _340944)
   Call: (211) [system] peek_char((0x56051b6b4f40), _341878)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_345670, v('(', ')', end_of_file), 'L')
   Call: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'L')
   Call: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _350240)
   Call: (212) [system] peek_char((0x56051b6b4f40), _351174)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_354966, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _359536)
   Call: (213) [system] peek_char((0x56051b6b4f40), _360470)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_364262, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _368832)
   Call: (214) [system] peek_char((0x56051b6b4f40), _369766)
   Exit: (214) [system] peek_char((0x56051b6b4f40), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_373558, v('(', ')', end_of_file), k)
   Call: (214) [system] ')'==k
   Call: (214) [system] get_char((0x56051b6b4f40), k)
   Exit: (214) [system] get_char((0x56051b6b4f40), k)
   Call: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _378128)
   Call: (215) [system] peek_char((0x56051b6b4f40), _379062)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _378128=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _368832=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (213) [system] _359536=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (212) [system] _350240=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (211) [system] _340944=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (210) [system] _331648=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _311104)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_402342, _402344), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _311104), _402318, fail)), '$restore_trace'(_402342, _402344))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_402342, _402344))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _311104), _402318, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_311104)
   Call: (210) [system] atom_chars(_311104, ['O', r, 'L', i, n, k])
   Exit: (210) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _410794)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _412652)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _419462)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _422166)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _431558)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _435272)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _437130)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _445598)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _435272)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _455816)
   Call: (211) [system] peek_char((0x56051b6b4f40), _456750)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _455816=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('C', [], _435272)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_466060, _466062), once(user:catch(read_from_chars(['C'], _435272), _466036, fail)), '$restore_trace'(_466060, _466062))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_466060, _466062))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _435272), _466036, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_435272)
   Call: (211) [system] atom_chars(_435272, ['C'])
   Exit: (211) [system] atom_chars('C', ['C'])
^  Exit: (210) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _474512)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _476370)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _483180)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _485884)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _495276)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _498990)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _500848)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _509316)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'D')
   Call: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _498990)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _519534)
   Call: (212) [system] peek_char((0x56051b6b4f40), _520468)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_524260, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _519534=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq('D', [], _498990)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_530722, _530724), once(user:catch(read_from_chars(['D'], _498990), _530698, fail)), '$restore_trace'(_530722, _530724))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_530722, _530724))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _498990), _530698, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_498990)
   Call: (212) [system] atom_chars(_498990, ['D'])
   Exit: (212) [system] atom_chars('D', ['D'])
^  Exit: (211) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _539174)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _541032)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _549500)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _553290)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _539174=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _474512=['D']
   Exit: (209) [system] ['D']=['D']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (208) [system] _410794=['C', 'D']
   Exit: (208) [system] ['C', 'D']=['C', 'D']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (207) [system] _283026=['OrLink', 'C', 'D']
   Exit: (207) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _567172)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _569030)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _575840)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _578544)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (208) [system] 'E'=(;)
^  Call: (208) [user] is_like_space('E')
   Call: (209) [system] char_type('E', 'white')
   Call: (209) [system] char_type('E', end_of_line)
   Call: (209) [system] char_type('E', space)
   Call: (209) [system] char_type('E', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _587936)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (206) [system] 'E'=')'
   Call: (206) [system] 'E'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _591650)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _593508)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (208) [system] 'E'=(;)
^  Call: (208) [user] is_like_space('E')
   Call: (209) [system] char_type('E', 'white')
   Call: (209) [system] char_type('E', end_of_line)
   Call: (209) [system] char_type('E', space)
   Call: (209) [system] char_type('E', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _601976)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'E')
   Call: (207) [system] 'E'='('
   Call: (207) [system] 'E'='['
   Call: (207) [system] 'E'='{'
   Call: (207) [system] 'E'='"'
   Call: (207) [system] 'E'=!
   Call: (207) [system] 'E'='\''
   Call: (207) [system] 'E'='`'
   Call: (207) [system] 'E'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _591650)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _612194)
   Call: (209) [system] peek_char((0x56051b6b4f40), _613128)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_616920, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _612194=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (208) [user] classify_and_convert_charseq('E', [], _591650)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_623382, _623384), once(user:catch(read_from_chars(['E'], _591650), _623358, fail)), '$restore_trace'(_623382, _623384))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_623382, _623384))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _591650), _623358, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_591650)
   Call: (209) [system] atom_chars(_591650, ['E'])
   Exit: (209) [system] atom_chars('E', ['E'])
^  Exit: (208) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _631834)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _633692)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _642160)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x56051b6b4f40), _645950)
   Exit: (207) [system] get_char((0x56051b6b4f40), ')')
   Call: (207) [system] _631834=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (206) [system] _567172=['E']
   Exit: (206) [system] ['E']=['E']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (205) [system] _258548=[['OrLink', 'C', 'D'], 'E']
   Exit: (205) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (204) [system] _70330=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (204) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _659832)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _661690)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _670158)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _673948)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _659832=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _45852=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (202) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (201) [system] _3796=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (200) [system] _3788=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (200) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _687830)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _689688)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _698156)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x56051b6b4f40), _701946)
   Exit: (199) [system] get_char((0x56051b6b4f40), ')')
   Call: (199) [system] _687830=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (198) [system] _3784=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (198) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (197) [system] _3760=[['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (197) [system] [['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (196) [system] _3752=[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (196) [system] [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _715828)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _717686)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (196) [system] '\n'=(;)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x56051b6b4f40), _725302)
   Exit: (196) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _728006)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (197) [system] '\t'=(;)
^  Call: (197) [user] is_like_space('\t')
   Call: (198) [system] char_type('\t', 'white')
   Exit: (198) [system] char_type('\t', 'white')
^  Exit: (197) [user] is_like_space('\t')
   Call: (197) [system] get_char((0x56051b6b4f40), _734816)
   Exit: (197) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _737520)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (198) [system] '\t'=(;)
^  Call: (198) [user] is_like_space('\t')
   Call: (199) [system] char_type('\t', 'white')
   Exit: (199) [system] char_type('\t', 'white')
^  Exit: (198) [user] is_like_space('\t')
   Call: (198) [system] get_char((0x56051b6b4f40), _744330)
   Exit: (198) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _747034)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _753844)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _756548)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _768712)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _772426)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _774284)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _782752)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _772426)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _788322)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _796790)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _800504)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _802362)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _810830)
   Exit: (198) [system] get_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), :, _800504)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _821048)
   Call: (200) [system] peek_char((0x56051b6b4f40), _821982)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _821048=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (199) [user] classify_and_convert_charseq(:, [], _800504)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_831292, _831294), once(user:catch(read_from_chars([:], _800504), _831268, fail)), '$restore_trace'(_831292, _831294))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_831292, _831294))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _831268, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _838792)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _840650)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _847460)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _850164)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _859556)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _863270)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _865128)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _873596)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _863270)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _879166)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (201) [system] 'C'=(;)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _887634)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (200) [system] 'C'=')'
   Call: (200) [system] 'C'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _891348)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _893206)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (202) [system] 'C'=(;)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _901674)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'C')
   Call: (201) [system] 'C'='('
   Call: (201) [system] 'C'='['
   Call: (201) [system] 'C'='{'
   Call: (201) [system] 'C'='"'
   Call: (201) [system] 'C'=!
   Call: (201) [system] 'C'='\''
   Call: (201) [system] 'C'='`'
   Call: (201) [system] 'C'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _891348)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _911892)
   Call: (203) [system] peek_char((0x56051b6b4f40), _912826)
   Exit: (203) [system] peek_char((0x56051b6b4f40), o)
^  Call: (203) [user] is_delimiter(o)
   Call: (204) [system] char_type(o, space)
   Call: (204) [system] arg(_916618, v('(', ')', end_of_file), o)
   Call: (203) [system] ')'==o
   Call: (203) [system] get_char((0x56051b6b4f40), o)
   Exit: (203) [system] get_char((0x56051b6b4f40), o)
   Call: (203) [system] o=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _921188)
   Call: (204) [system] peek_char((0x56051b6b4f40), _922122)
   Exit: (204) [system] peek_char((0x56051b6b4f40), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_925914, v('(', ')', end_of_file), n)
   Call: (204) [system] ')'==n
   Call: (204) [system] get_char((0x56051b6b4f40), n)
   Exit: (204) [system] get_char((0x56051b6b4f40), n)
   Call: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _930484)
   Call: (205) [system] peek_char((0x56051b6b4f40), _931418)
   Exit: (205) [system] peek_char((0x56051b6b4f40), j)
^  Call: (205) [user] is_delimiter(j)
   Call: (206) [system] char_type(j, space)
   Call: (206) [system] arg(_935210, v('(', ')', end_of_file), j)
   Call: (205) [system] ')'==j
   Call: (205) [system] get_char((0x56051b6b4f40), j)
   Exit: (205) [system] get_char((0x56051b6b4f40), j)
   Call: (205) [system] j=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _939780)
   Call: (206) [system] peek_char((0x56051b6b4f40), _940714)
   Exit: (206) [system] peek_char((0x56051b6b4f40), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_944506, v('(', ')', end_of_file), u)
   Call: (206) [system] ')'==u
   Call: (206) [system] get_char((0x56051b6b4f40), u)
   Exit: (206) [system] get_char((0x56051b6b4f40), u)
   Call: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _949076)
   Call: (207) [system] peek_char((0x56051b6b4f40), _950010)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_953802, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _958372)
   Call: (208) [system] peek_char((0x56051b6b4f40), _959306)
   Exit: (208) [system] peek_char((0x56051b6b4f40), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_963098, v('(', ')', end_of_file), c)
   Call: (208) [system] ')'==c
   Call: (208) [system] get_char((0x56051b6b4f40), c)
   Exit: (208) [system] get_char((0x56051b6b4f40), c)
   Call: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _967668)
   Call: (209) [system] peek_char((0x56051b6b4f40), _968602)
   Exit: (209) [system] peek_char((0x56051b6b4f40), t)
^  Call: (209) [user] is_delimiter(t)
   Call: (210) [system] char_type(t, space)
   Call: (210) [system] arg(_972394, v('(', ')', end_of_file), t)
   Call: (209) [system] ')'==t
   Call: (209) [system] get_char((0x56051b6b4f40), t)
   Exit: (209) [system] get_char((0x56051b6b4f40), t)
   Call: (209) [system] t=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _976964)
   Call: (210) [system] peek_char((0x56051b6b4f40), _977898)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_981690, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _986260)
   Call: (211) [system] peek_char((0x56051b6b4f40), _987194)
   Exit: (211) [system] peek_char((0x56051b6b4f40), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_990986, v('(', ')', end_of_file), o)
   Call: (211) [system] ')'==o
   Call: (211) [system] get_char((0x56051b6b4f40), o)
   Exit: (211) [system] get_char((0x56051b6b4f40), o)
   Call: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _995556)
   Call: (212) [system] peek_char((0x56051b6b4f40), _996490)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1000282, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1004852)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1005786)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (213) [user] is_delimiter('I')
   Call: (214) [system] char_type('I', space)
   Call: (214) [system] arg(_1009578, v('(', ')', end_of_file), 'I')
   Call: (213) [system] ')'=='I'
   Call: (213) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (213) [system] get_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1014148)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1015082)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1018874, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1023444)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1024378)
   Exit: (215) [system] peek_char((0x56051b6b4f40), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1028170, v('(', ')', end_of_file), t)
   Call: (215) [system] ')'==t
   Call: (215) [system] get_char((0x56051b6b4f40), t)
   Exit: (215) [system] get_char((0x56051b6b4f40), t)
   Call: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1032740)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1033674)
   Exit: (216) [system] peek_char((0x56051b6b4f40), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_1037466, v('(', ')', end_of_file), r)
   Call: (216) [system] ')'==r
   Call: (216) [system] get_char((0x56051b6b4f40), r)
   Exit: (216) [system] get_char((0x56051b6b4f40), r)
   Call: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1042036)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1042970)
   Exit: (217) [system] peek_char((0x56051b6b4f40), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1046762, v('(', ')', end_of_file), o)
   Call: (217) [system] ')'==o
   Call: (217) [system] get_char((0x56051b6b4f40), o)
   Exit: (217) [system] get_char((0x56051b6b4f40), o)
   Call: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1051332)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1052266)
   Exit: (218) [system] peek_char((0x56051b6b4f40), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1056058, v('(', ')', end_of_file), d)
   Call: (218) [system] ')'==d
   Call: (218) [system] get_char((0x56051b6b4f40), d)
   Exit: (218) [system] get_char((0x56051b6b4f40), d)
   Call: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1060628)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1061562)
   Exit: (219) [system] peek_char((0x56051b6b4f40), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1065354, v('(', ')', end_of_file), u)
   Call: (219) [system] ')'==u
   Call: (219) [system] get_char((0x56051b6b4f40), u)
   Exit: (219) [system] get_char((0x56051b6b4f40), u)
   Call: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1069924)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1070858)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1074650, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1079220)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1080154)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1083946, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1088516)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1089450)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1093242, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1097812)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1098746)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1102538, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1107108)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1108042)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1111834, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1116404)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1117338)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1116404=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1107108=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (223) [system] _1097812=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (222) [system] _1088516=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (221) [system] _1079220=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (220) [system] _1069924=[c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (219) [system] _1060628=[u, c, t, i, o, n]
   Exit: (219) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (218) [system] _1051332=[d, u, c, t, i, o, n]
   Exit: (218) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (217) [system] _1042036=[o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (216) [system] _1032740=[r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1023444=[t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1014148=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1004852=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _995556=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _986260=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _976964=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _967668=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _958372=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _949076=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _939780=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _930484=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _921188=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _911892=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _891348)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1188116, _1188118), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _891348), _1188092, fail)), '$restore_trace'(_1188116, _1188118))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1188116, _1188118))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _891348), _1188092, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_891348)
   Call: (203) [system] atom_chars(_891348, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (203) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1196568)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1198426)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1205236)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1207940)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
   Call: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1217332)
   Exit: (201) [system] peek_char((0x56051b6b4f40), a)
   Call: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1221046)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1222904)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
   Call: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1231372)
   Exit: (202) [system] get_char((0x56051b6b4f40), a)
   Call: (202) [system] a='('
   Call: (202) [system] a='['
   Call: (202) [system] a='{'
   Call: (202) [system] a='"'
   Call: (202) [system] a=!
   Call: (202) [system] a='\''
   Call: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), a, _1221046)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1241590)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1242524)
   Exit: (204) [system] peek_char((0x56051b6b4f40), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_1246316, v('(', ')', end_of_file), b)
   Call: (204) [system] ')'==b
   Call: (204) [system] get_char((0x56051b6b4f40), b)
   Exit: (204) [system] get_char((0x56051b6b4f40), b)
   Call: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1250886)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1251820)
   Exit: (205) [system] peek_char((0x56051b6b4f40), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_1255612, v('(', ')', end_of_file), c)
   Call: (205) [system] ')'==c
   Call: (205) [system] get_char((0x56051b6b4f40), c)
   Exit: (205) [system] get_char((0x56051b6b4f40), c)
   Call: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1260182)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1261116)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1260182=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1250886=[c]
   Exit: (205) [system] [c]=[c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (204) [system] _1241590=[b, c]
   Exit: (204) [system] [b, c]=[b, c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (203) [user] classify_and_convert_charseq(a, [b, c], _1221046)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1276014, _1276016), once(user:catch(read_from_chars([a, b, c], _1221046), _1275990, fail)), '$restore_trace'(_1276014, _1276016))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1276014, _1276016))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1275990, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1283514)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1285372)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1292182)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1294886)
   Exit: (204) [system] peek_char((0x56051b6b4f40), a)
   Call: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1304278)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1307992)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1309850)
   Exit: (204) [system] peek_char((0x56051b6b4f40), a)
   Call: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1318318)
   Exit: (203) [system] get_char((0x56051b6b4f40), a)
   Call: (203) [system] a='('
   Call: (203) [system] a='['
   Call: (203) [system] a='{'
   Call: (203) [system] a='"'
   Call: (203) [system] a=!
   Call: (203) [system] a='\''
   Call: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), a, _1307992)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1328536)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1329470)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1333262, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1328536=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (204) [user] classify_and_convert_charseq(a, [], _1307992)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1339724, _1339726), once(user:catch(read_from_chars([a], _1307992), _1339700, fail)), '$restore_trace'(_1339724, _1339726))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1339724, _1339726))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1339700, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(a)
   Exit: (205) [system] atomic(a)
^  Exit: (204) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1347224)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1349082)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1357550)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _1361340)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _1347224=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _1283514=[a]
   Exit: (202) [system] [a]=[a]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (201) [system] _1196568=[abc, a]
   Exit: (201) [system] [abc, a]=[abc, a]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (200) [system] _863270=['ConjunctionIntroduction', abc, a]
   Exit: (200) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, a])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, a])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1375222)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1377080)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1383890)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1386594)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1395986)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1399700)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1401558)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1410026)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1399700)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1415596)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (202) [system] 'A'=(;)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1424064)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=')'
   Call: (201) [system] 'A'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1427778)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1429636)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (203) [system] 'A'=(;)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1438104)
   Exit: (202) [system] get_char((0x56051b6b4f40), 'A')
   Call: (202) [system] 'A'='('
   Call: (202) [system] 'A'='['
   Call: (202) [system] 'A'='{'
   Call: (202) [system] 'A'='"'
   Call: (202) [system] 'A'=!
   Call: (202) [system] 'A'='\''
   Call: (202) [system] 'A'='`'
   Call: (202) [system] 'A'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1427778)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1448322)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1449256)
   Exit: (204) [system] peek_char((0x56051b6b4f40), n)
^  Call: (204) [user] is_delimiter(n)
   Call: (205) [system] char_type(n, space)
   Call: (205) [system] arg(_1453048, v('(', ')', end_of_file), n)
   Call: (204) [system] ')'==n
   Call: (204) [system] get_char((0x56051b6b4f40), n)
   Exit: (204) [system] get_char((0x56051b6b4f40), n)
   Call: (204) [system] n=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1457618)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1458552)
   Exit: (205) [system] peek_char((0x56051b6b4f40), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_1462344, v('(', ')', end_of_file), d)
   Call: (205) [system] ')'==d
   Call: (205) [system] get_char((0x56051b6b4f40), d)
   Exit: (205) [system] get_char((0x56051b6b4f40), d)
   Call: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1466914)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1467848)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1471640, v('(', ')', end_of_file), 'L')
   Call: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (206) [system] get_char((0x56051b6b4f40), 'L')
   Call: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1476210)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1477144)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1480936, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1485506)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1486440)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1490232, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1494802)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1495736)
   Exit: (209) [system] peek_char((0x56051b6b4f40), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1499528, v('(', ')', end_of_file), k)
   Call: (209) [system] ')'==k
   Call: (209) [system] get_char((0x56051b6b4f40), k)
   Exit: (209) [system] get_char((0x56051b6b4f40), k)
   Call: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1504098)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1505032)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1504098=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1494802=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (208) [system] _1485506=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (207) [system] _1476210=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (206) [system] _1466914=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (205) [system] _1457618=[d, 'L', i, n, k]
   Exit: (205) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (204) [system] _1448322=[n, d, 'L', i, n, k]
   Exit: (204) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1427778)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1531106, _1531108), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1427778), _1531082, fail)), '$restore_trace'(_1531106, _1531108))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1531106, _1531108))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1427778), _1531082, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1427778)
   Call: (204) [system] atom_chars(_1427778, ['A', n, d, 'L', i, n, k])
   Exit: (204) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1539558)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1541416)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1548226)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1550930)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1560322)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1564036)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1565894)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1574362)
   Exit: (203) [system] get_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1564036)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1579932)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1588400)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1592114)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1593972)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1602440)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1592114)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1612658)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1613592)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1617384, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1621954)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1622888)
   Exit: (208) [system] peek_char((0x56051b6b4f40), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1626680, v('(', ')', end_of_file), p)
   Call: (208) [system] ')'==p
   Call: (208) [system] get_char((0x56051b6b4f40), p)
   Exit: (208) [system] get_char((0x56051b6b4f40), p)
   Call: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1631250)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1632184)
   Exit: (209) [system] peek_char((0x56051b6b4f40), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1635976, v('(', ')', end_of_file), l)
   Call: (209) [system] ')'==l
   Call: (209) [system] get_char((0x56051b6b4f40), l)
   Exit: (209) [system] get_char((0x56051b6b4f40), l)
   Call: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1640546)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1641480)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1645272, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1649842)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1650776)
   Exit: (211) [system] peek_char((0x56051b6b4f40), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1654568, v('(', ')', end_of_file), c)
   Call: (211) [system] ')'==c
   Call: (211) [system] get_char((0x56051b6b4f40), c)
   Exit: (211) [system] get_char((0x56051b6b4f40), c)
   Call: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1659138)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1660072)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_1663864, v('(', ')', end_of_file), a)
   Call: (212) [system] ')'==a
   Call: (212) [system] get_char((0x56051b6b4f40), a)
   Exit: (212) [system] get_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1668434)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1669368)
   Exit: (213) [system] peek_char((0x56051b6b4f40), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1673160, v('(', ')', end_of_file), t)
   Call: (213) [system] ')'==t
   Call: (213) [system] get_char((0x56051b6b4f40), t)
   Exit: (213) [system] get_char((0x56051b6b4f40), t)
   Call: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1677730)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1678664)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1682456, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1687026)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1687960)
   Exit: (215) [system] peek_char((0x56051b6b4f40), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1691752, v('(', ')', end_of_file), o)
   Call: (215) [system] ')'==o
   Call: (215) [system] get_char((0x56051b6b4f40), o)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1696322)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1697256)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1701048, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1705618)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1706552)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1705618=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1696322=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (215) [system] _1687026=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (214) [system] _1677730=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (213) [system] _1668434=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (212) [system] _1659138=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (211) [system] _1649842=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (210) [system] _1640546=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (209) [system] _1631250=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _1621954=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _1612658=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1592114)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1743802, _1743804), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1592114), _1743778, fail)), '$restore_trace'(_1743802, _1743804))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1743802, _1743804))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1592114), _1743778, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1592114)
   Call: (207) [system] atom_chars(_1592114, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1752254)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1754112)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _1760922)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1763626)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1773018)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1776732)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1778590)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1787058)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1776732)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1792628)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1801096)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1804810)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1806668)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1815136)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1804810)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1825354)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1826288)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1830080, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1834650)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1835584)
   Exit: (211) [system] peek_char((0x56051b6b4f40), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_1839376, v('(', ')', end_of_file), d)
   Call: (211) [system] ')'==d
   Call: (211) [system] get_char((0x56051b6b4f40), d)
   Exit: (211) [system] get_char((0x56051b6b4f40), d)
   Call: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1843946)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1844880)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1848672, v('(', ')', end_of_file), 'L')
   Call: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (212) [system] get_char((0x56051b6b4f40), 'L')
   Call: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1853242)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1854176)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1857968, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1862538)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1863472)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1867264, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1871834)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1872768)
   Exit: (215) [system] peek_char((0x56051b6b4f40), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1876560, v('(', ')', end_of_file), k)
   Call: (215) [system] ')'==k
   Call: (215) [system] get_char((0x56051b6b4f40), k)
   Exit: (215) [system] get_char((0x56051b6b4f40), k)
   Call: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1881130)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1882064)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1881130=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1871834=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (214) [system] _1862538=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (213) [system] _1853242=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (212) [system] _1843946=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (211) [system] _1834650=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (210) [system] _1825354=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1804810)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1908138, _1908140), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1804810), _1908114, fail)), '$restore_trace'(_1908138, _1908140))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1908138, _1908140))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1804810), _1908114, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1804810)
   Call: (210) [system] atom_chars(_1804810, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1916590)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1918448)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1925258)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1927962)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1937354)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1941068)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1942926)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1951394)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1941068)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1961612)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1962546)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1961612=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('A', [], _1941068)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1971856, _1971858), once(user:catch(read_from_chars(['A'], _1941068), _1971832, fail)), '$restore_trace'(_1971856, _1971858))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1971856, _1971858))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1941068), _1971832, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1941068)
   Call: (211) [system] atom_chars(_1941068, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1980308)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1982166)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1988976)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1991680)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (211) [system] 'B'=(;)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _2001072)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _2004786)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _2006644)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (211) [system] 'B'=(;)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _2015112)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _2004786)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2025330)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2026264)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_2030056, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _2025330=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq('B', [], _2004786)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_2036518, _2036520), once(user:catch(read_from_chars(['B'], _2004786), _2036494, fail)), '$restore_trace'(_2036518, _2036520))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_2036518, _2036520))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2004786), _2036494, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_2004786)
   Call: (212) [system] atom_chars(_2004786, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _2044970)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _2046828)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _2055296)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _2059086)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _2044970=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1980308=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (208) [system] _1916590=['A', 'B']
   Exit: (208) [system] ['A', 'B']=['A', 'B']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (207) [system] _1776732=['AndLink', 'A', 'B']
   Exit: (207) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _2072968)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _2074826)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _2081636)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _2084340)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _2093732)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _4614)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _6472)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _14940)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _4614)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _25158)
   Call: (209) [system] peek_char((0x56051b6b4f40), _26092)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_29884, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _25158=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (208) [user] classify_and_convert_charseq('C', [], _4614)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_36346, _36348), once(user:catch(read_from_chars(['C'], _4614), _36322, fail)), '$restore_trace'(_36346, _36348))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_36346, _36348))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _4614), _36322, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_4614)
   Call: (209) [system] atom_chars(_4614, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _44798)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _46656)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _55124)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x56051b6b4f40), _58914)
   Exit: (207) [system] get_char((0x56051b6b4f40), ')')
   Call: (207) [system] _44798=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (206) [system] _3964=['C']
   Exit: (206) [system] ['C']=['C']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (205) [system] _3940=[['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (204) [system] _3932=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _72796)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _74654)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _81464)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _84168)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (205) [system] 'A'=(;)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _93560)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (203) [system] 'A'=')'
   Call: (203) [system] 'A'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _97274)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _99132)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (205) [system] 'A'=(;)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _107600)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'A')
   Call: (204) [system] 'A'='('
   Call: (204) [system] 'A'='['
   Call: (204) [system] 'A'='{'
   Call: (204) [system] 'A'='"'
   Call: (204) [system] 'A'=!
   Call: (204) [system] 'A'='\''
   Call: (204) [system] 'A'='`'
   Call: (204) [system] 'A'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _97274)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _117818)
   Call: (206) [system] peek_char((0x56051b6b4f40), _118752)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_122544, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _117818=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (205) [user] classify_and_convert_charseq('A', [], _97274)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_129006, _129008), once(user:catch(read_from_chars(['A'], _97274), _128982, fail)), '$restore_trace'(_129006, _129008))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_129006, _129008))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _97274), _128982, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_97274)
   Call: (206) [system] atom_chars(_97274, ['A'])
   Exit: (206) [system] atom_chars('A', ['A'])
^  Exit: (205) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _137458)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _139316)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _147784)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _151574)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _137458=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _72796=['A']
   Exit: (203) [system] ['A']=['A']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (202) [system] _3928=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (202) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (201) [system] _3920=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (201) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _165456)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _167314)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _175782)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x56051b6b4f40), _179572)
   Exit: (200) [system] get_char((0x56051b6b4f40), ')')
   Call: (200) [system] _165456=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (199) [system] _3916=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (199) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (198) [system] _3892=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (198) [system] [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (197) [system] _3884=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (197) [system] [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _193454)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _195312)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (197) [system] '\n'=(;)
^  Call: (197) [user] is_like_space('\n')
   Call: (198) [system] char_type('\n', 'white')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
^  Exit: (197) [user] is_like_space('\n')
   Call: (197) [system] get_char((0x56051b6b4f40), _202928)
   Exit: (197) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _205632)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (198) [system] '\t'=(;)
^  Call: (198) [user] is_like_space('\t')
   Call: (199) [system] char_type('\t', 'white')
   Exit: (199) [system] char_type('\t', 'white')
^  Exit: (198) [user] is_like_space('\t')
   Call: (198) [system] get_char((0x56051b6b4f40), _212442)
   Exit: (198) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _215146)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (199) [system] '\t'=(;)
^  Call: (199) [user] is_like_space('\t')
   Call: (200) [system] char_type('\t', 'white')
   Exit: (200) [system] char_type('\t', 'white')
^  Exit: (199) [user] is_like_space('\t')
   Call: (199) [system] get_char((0x56051b6b4f40), _221956)
   Exit: (199) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _224660)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _231470)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _234174)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _246338)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _250052)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _251910)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _260378)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _250052)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _265948)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _274416)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _278130)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _279988)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _288456)
   Exit: (199) [system] get_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), :, _278130)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _298674)
   Call: (201) [system] peek_char((0x56051b6b4f40), _299608)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _298674=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (200) [user] classify_and_convert_charseq(:, [], _278130)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_308918, _308920), once(user:catch(read_from_chars([:], _278130), _308894, fail)), '$restore_trace'(_308918, _308920))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_308918, _308920))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _308894, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _316418)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _318276)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _325086)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _327790)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _337182)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _340896)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _342754)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _351222)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _340896)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _356792)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (202) [system] 'C'=(;)
^  Call: (202) [user] is_like_space('C')
   Call: (203) [system] char_type('C', 'white')
   Call: (203) [system] char_type('C', end_of_line)
   Call: (203) [system] char_type('C', space)
   Call: (203) [system] char_type('C', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _365260)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (201) [system] 'C'=')'
   Call: (201) [system] 'C'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _368974)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _370832)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (203) [system] 'C'=(;)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _379300)
   Exit: (202) [system] get_char((0x56051b6b4f40), 'C')
   Call: (202) [system] 'C'='('
   Call: (202) [system] 'C'='['
   Call: (202) [system] 'C'='{'
   Call: (202) [system] 'C'='"'
   Call: (202) [system] 'C'=!
   Call: (202) [system] 'C'='\''
   Call: (202) [system] 'C'='`'
   Call: (202) [system] 'C'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _368974)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _389518)
   Call: (204) [system] peek_char((0x56051b6b4f40), _390452)
   Exit: (204) [system] peek_char((0x56051b6b4f40), o)
^  Call: (204) [user] is_delimiter(o)
   Call: (205) [system] char_type(o, space)
   Call: (205) [system] arg(_394244, v('(', ')', end_of_file), o)
   Call: (204) [system] ')'==o
   Call: (204) [system] get_char((0x56051b6b4f40), o)
   Exit: (204) [system] get_char((0x56051b6b4f40), o)
   Call: (204) [system] o=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _398814)
   Call: (205) [system] peek_char((0x56051b6b4f40), _399748)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_403540, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _408110)
   Call: (206) [system] peek_char((0x56051b6b4f40), _409044)
   Exit: (206) [system] peek_char((0x56051b6b4f40), j)
^  Call: (206) [user] is_delimiter(j)
   Call: (207) [system] char_type(j, space)
   Call: (207) [system] arg(_412836, v('(', ')', end_of_file), j)
   Call: (206) [system] ')'==j
   Call: (206) [system] get_char((0x56051b6b4f40), j)
   Exit: (206) [system] get_char((0x56051b6b4f40), j)
   Call: (206) [system] j=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _417406)
   Call: (207) [system] peek_char((0x56051b6b4f40), _418340)
   Exit: (207) [system] peek_char((0x56051b6b4f40), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_422132, v('(', ')', end_of_file), u)
   Call: (207) [system] ')'==u
   Call: (207) [system] get_char((0x56051b6b4f40), u)
   Exit: (207) [system] get_char((0x56051b6b4f40), u)
   Call: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _426702)
   Call: (208) [system] peek_char((0x56051b6b4f40), _427636)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_431428, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _435998)
   Call: (209) [system] peek_char((0x56051b6b4f40), _436932)
   Exit: (209) [system] peek_char((0x56051b6b4f40), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_440724, v('(', ')', end_of_file), c)
   Call: (209) [system] ')'==c
   Call: (209) [system] get_char((0x56051b6b4f40), c)
   Exit: (209) [system] get_char((0x56051b6b4f40), c)
   Call: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _445294)
   Call: (210) [system] peek_char((0x56051b6b4f40), _446228)
   Exit: (210) [system] peek_char((0x56051b6b4f40), t)
^  Call: (210) [user] is_delimiter(t)
   Call: (211) [system] char_type(t, space)
   Call: (211) [system] arg(_450020, v('(', ')', end_of_file), t)
   Call: (210) [system] ')'==t
   Call: (210) [system] get_char((0x56051b6b4f40), t)
   Exit: (210) [system] get_char((0x56051b6b4f40), t)
   Call: (210) [system] t=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454590)
   Call: (211) [system] peek_char((0x56051b6b4f40), _455524)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_459316, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _463886)
   Call: (212) [system] peek_char((0x56051b6b4f40), _464820)
   Exit: (212) [system] peek_char((0x56051b6b4f40), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_468612, v('(', ')', end_of_file), o)
   Call: (212) [system] ')'==o
   Call: (212) [system] get_char((0x56051b6b4f40), o)
   Exit: (212) [system] get_char((0x56051b6b4f40), o)
   Call: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _473182)
   Call: (213) [system] peek_char((0x56051b6b4f40), _474116)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_477908, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _482478)
   Call: (214) [system] peek_char((0x56051b6b4f40), _483412)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (214) [user] is_delimiter('I')
   Call: (215) [system] char_type('I', space)
   Call: (215) [system] arg(_487204, v('(', ')', end_of_file), 'I')
   Call: (214) [system] ')'=='I'
   Call: (214) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (214) [system] get_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _491774)
   Call: (215) [system] peek_char((0x56051b6b4f40), _492708)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_496500, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _501070)
   Call: (216) [system] peek_char((0x56051b6b4f40), _502004)
   Exit: (216) [system] peek_char((0x56051b6b4f40), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_505796, v('(', ')', end_of_file), t)
   Call: (216) [system] ')'==t
   Call: (216) [system] get_char((0x56051b6b4f40), t)
   Exit: (216) [system] get_char((0x56051b6b4f40), t)
   Call: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _510366)
   Call: (217) [system] peek_char((0x56051b6b4f40), _511300)
   Exit: (217) [system] peek_char((0x56051b6b4f40), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_515092, v('(', ')', end_of_file), r)
   Call: (217) [system] ')'==r
   Call: (217) [system] get_char((0x56051b6b4f40), r)
   Exit: (217) [system] get_char((0x56051b6b4f40), r)
   Call: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _519662)
   Call: (218) [system] peek_char((0x56051b6b4f40), _520596)
   Exit: (218) [system] peek_char((0x56051b6b4f40), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_524388, v('(', ')', end_of_file), o)
   Call: (218) [system] ')'==o
   Call: (218) [system] get_char((0x56051b6b4f40), o)
   Exit: (218) [system] get_char((0x56051b6b4f40), o)
   Call: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _528958)
   Call: (219) [system] peek_char((0x56051b6b4f40), _529892)
   Exit: (219) [system] peek_char((0x56051b6b4f40), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_533684, v('(', ')', end_of_file), d)
   Call: (219) [system] ')'==d
   Call: (219) [system] get_char((0x56051b6b4f40), d)
   Exit: (219) [system] get_char((0x56051b6b4f40), d)
   Call: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _538254)
   Call: (220) [system] peek_char((0x56051b6b4f40), _539188)
   Exit: (220) [system] peek_char((0x56051b6b4f40), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_542980, v('(', ')', end_of_file), u)
   Call: (220) [system] ')'==u
   Call: (220) [system] get_char((0x56051b6b4f40), u)
   Exit: (220) [system] get_char((0x56051b6b4f40), u)
   Call: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _547550)
   Call: (221) [system] peek_char((0x56051b6b4f40), _548484)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_552276, v('(', ')', end_of_file), c)
   Call: (221) [system] ')'==c
   Call: (221) [system] get_char((0x56051b6b4f40), c)
   Exit: (221) [system] get_char((0x56051b6b4f40), c)
   Call: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _556846)
   Call: (222) [system] peek_char((0x56051b6b4f40), _557780)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_561572, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _566142)
   Call: (223) [system] peek_char((0x56051b6b4f40), _567076)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_570868, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _575438)
   Call: (224) [system] peek_char((0x56051b6b4f40), _576372)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_580164, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _584734)
   Call: (225) [system] peek_char((0x56051b6b4f40), _585668)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_589460, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _594030)
   Call: (226) [system] peek_char((0x56051b6b4f40), _594964)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _594030=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _584734=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (224) [system] _575438=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (223) [system] _566142=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (222) [system] _556846=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (221) [system] _547550=[c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (220) [system] _538254=[u, c, t, i, o, n]
   Exit: (220) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (219) [system] _528958=[d, u, c, t, i, o, n]
   Exit: (219) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (218) [system] _519662=[o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (217) [system] _510366=[r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _501070=[t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _491774=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _482478=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _473182=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _463886=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _454590=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _445294=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _435998=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _426702=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _417406=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _408110=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _398814=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _389518=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _368974)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_665742, _665744), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _368974), _665718, fail)), '$restore_trace'(_665742, _665744))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_665742, _665744))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _368974), _665718, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_368974)
   Call: (204) [system] atom_chars(_368974, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (204) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _674194)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _676052)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _682862)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _685566)
   Exit: (204) [system] peek_char((0x56051b6b4f40), a)
   Call: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _694958)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _698672)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _700530)
   Exit: (204) [system] peek_char((0x56051b6b4f40), a)
   Call: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _708998)
   Exit: (203) [system] get_char((0x56051b6b4f40), a)
   Call: (203) [system] a='('
   Call: (203) [system] a='['
   Call: (203) [system] a='{'
   Call: (203) [system] a='"'
   Call: (203) [system] a=!
   Call: (203) [system] a='\''
   Call: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), a, _698672)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _719216)
   Call: (205) [system] peek_char((0x56051b6b4f40), _720150)
   Exit: (205) [system] peek_char((0x56051b6b4f40), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_723942, v('(', ')', end_of_file), b)
   Call: (205) [system] ')'==b
   Call: (205) [system] get_char((0x56051b6b4f40), b)
   Exit: (205) [system] get_char((0x56051b6b4f40), b)
   Call: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _728512)
   Call: (206) [system] peek_char((0x56051b6b4f40), _729446)
   Exit: (206) [system] peek_char((0x56051b6b4f40), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_733238, v('(', ')', end_of_file), c)
   Call: (206) [system] ')'==c
   Call: (206) [system] get_char((0x56051b6b4f40), c)
   Exit: (206) [system] get_char((0x56051b6b4f40), c)
   Call: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _737808)
   Call: (207) [system] peek_char((0x56051b6b4f40), _738742)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _737808=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _728512=[c]
   Exit: (206) [system] [c]=[c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (205) [system] _719216=[b, c]
   Exit: (205) [system] [b, c]=[b, c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (204) [user] classify_and_convert_charseq(a, [b, c], _698672)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_753640, _753642), once(user:catch(read_from_chars([a, b, c], _698672), _753616, fail)), '$restore_trace'(_753640, _753642))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_753640, _753642))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _753616, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(abc)
   Exit: (205) [system] atomic(abc)
^  Exit: (204) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _761140)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _762998)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _769808)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _772512)
   Exit: (205) [system] peek_char((0x56051b6b4f40), a)
   Call: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _781904)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
   Call: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _785618)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _787476)
   Exit: (205) [system] peek_char((0x56051b6b4f40), a)
   Call: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _795944)
   Exit: (204) [system] get_char((0x56051b6b4f40), a)
   Call: (204) [system] a='('
   Call: (204) [system] a='['
   Call: (204) [system] a='{'
   Call: (204) [system] a='"'
   Call: (204) [system] a=!
   Call: (204) [system] a='\''
   Call: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), a, _785618)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _806162)
   Call: (206) [system] peek_char((0x56051b6b4f40), _807096)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_810888, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _806162=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (205) [user] classify_and_convert_charseq(a, [], _785618)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_817350, _817352), once(user:catch(read_from_chars([a], _785618), _817326, fail)), '$restore_trace'(_817350, _817352))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_817350, _817352))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _817326, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(a)
   Exit: (206) [system] atomic(a)
^  Exit: (205) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _824850)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _826708)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _835176)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _838966)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _824850=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _761140=[a]
   Exit: (203) [system] [a]=[a]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (202) [system] _674194=[abc, a]
   Exit: (202) [system] [abc, a]=[abc, a]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (201) [system] _340896=['ConjunctionIntroduction', abc, a]
   Exit: (201) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, a])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, a])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _852848)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _854706)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _861516)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _864220)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _873612)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _877326)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _879184)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _887652)
   Exit: (201) [system] get_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _877326)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _893222)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (203) [system] 'A'=(;)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _901690)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (202) [system] 'A'=')'
   Call: (202) [system] 'A'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _905404)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _907262)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (204) [system] 'A'=(;)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _915730)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'A')
   Call: (203) [system] 'A'='('
   Call: (203) [system] 'A'='['
   Call: (203) [system] 'A'='{'
   Call: (203) [system] 'A'='"'
   Call: (203) [system] 'A'=!
   Call: (203) [system] 'A'='\''
   Call: (203) [system] 'A'='`'
   Call: (203) [system] 'A'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _905404)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _925948)
   Call: (205) [system] peek_char((0x56051b6b4f40), _926882)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_930674, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _935244)
   Call: (206) [system] peek_char((0x56051b6b4f40), _936178)
   Exit: (206) [system] peek_char((0x56051b6b4f40), d)
^  Call: (206) [user] is_delimiter(d)
   Call: (207) [system] char_type(d, space)
   Call: (207) [system] arg(_939970, v('(', ')', end_of_file), d)
   Call: (206) [system] ')'==d
   Call: (206) [system] get_char((0x56051b6b4f40), d)
   Exit: (206) [system] get_char((0x56051b6b4f40), d)
   Call: (206) [system] d=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _944540)
   Call: (207) [system] peek_char((0x56051b6b4f40), _945474)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_949266, v('(', ')', end_of_file), 'L')
   Call: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (207) [system] get_char((0x56051b6b4f40), 'L')
   Call: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _953836)
   Call: (208) [system] peek_char((0x56051b6b4f40), _954770)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_958562, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _963132)
   Call: (209) [system] peek_char((0x56051b6b4f40), _964066)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_967858, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _972428)
   Call: (210) [system] peek_char((0x56051b6b4f40), _973362)
   Exit: (210) [system] peek_char((0x56051b6b4f40), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_977154, v('(', ')', end_of_file), k)
   Call: (210) [system] ')'==k
   Call: (210) [system] get_char((0x56051b6b4f40), k)
   Exit: (210) [system] get_char((0x56051b6b4f40), k)
   Call: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _981724)
   Call: (211) [system] peek_char((0x56051b6b4f40), _982658)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _981724=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _972428=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (209) [system] _963132=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (208) [system] _953836=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (207) [system] _944540=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (206) [system] _935244=[d, 'L', i, n, k]
   Exit: (206) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (205) [system] _925948=[n, d, 'L', i, n, k]
   Exit: (205) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (204) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _905404)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1008732, _1008734), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _905404), _1008708, fail)), '$restore_trace'(_1008732, _1008734))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1008732, _1008734))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _905404), _1008708, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_905404)
   Call: (205) [system] atom_chars(_905404, ['A', n, d, 'L', i, n, k])
   Exit: (205) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1017184)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1019042)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1025852)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1028556)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1037948)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1041662)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1043520)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1051988)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1041662)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1057558)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1066026)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1069740)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1071598)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (207) [system] 'I'=(;)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1080066)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1069740)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1090284)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1091218)
   Exit: (208) [system] peek_char((0x56051b6b4f40), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1095010, v('(', ')', end_of_file), m)
   Call: (208) [system] ')'==m
   Call: (208) [system] get_char((0x56051b6b4f40), m)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1099580)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1100514)
   Exit: (209) [system] peek_char((0x56051b6b4f40), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_1104306, v('(', ')', end_of_file), p)
   Call: (209) [system] ')'==p
   Call: (209) [system] get_char((0x56051b6b4f40), p)
   Exit: (209) [system] get_char((0x56051b6b4f40), p)
   Call: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1108876)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1109810)
   Exit: (210) [system] peek_char((0x56051b6b4f40), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1113602, v('(', ')', end_of_file), l)
   Call: (210) [system] ')'==l
   Call: (210) [system] get_char((0x56051b6b4f40), l)
   Exit: (210) [system] get_char((0x56051b6b4f40), l)
   Call: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1118172)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1119106)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1122898, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1127468)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1128402)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1132194, v('(', ')', end_of_file), c)
   Call: (212) [system] ')'==c
   Call: (212) [system] get_char((0x56051b6b4f40), c)
   Exit: (212) [system] get_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1136764)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1137698)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_1141490, v('(', ')', end_of_file), a)
   Call: (213) [system] ')'==a
   Call: (213) [system] get_char((0x56051b6b4f40), a)
   Exit: (213) [system] get_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1146060)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1146994)
   Exit: (214) [system] peek_char((0x56051b6b4f40), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1150786, v('(', ')', end_of_file), t)
   Call: (214) [system] ')'==t
   Call: (214) [system] get_char((0x56051b6b4f40), t)
   Exit: (214) [system] get_char((0x56051b6b4f40), t)
   Call: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1155356)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1156290)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1160082, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1164652)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1165586)
   Exit: (216) [system] peek_char((0x56051b6b4f40), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1169378, v('(', ')', end_of_file), o)
   Call: (216) [system] ')'==o
   Call: (216) [system] get_char((0x56051b6b4f40), o)
   Exit: (216) [system] get_char((0x56051b6b4f40), o)
   Call: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1173948)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1174882)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1178674, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1183244)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1184178)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1183244=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (217) [system] _1173948=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (216) [system] _1164652=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (215) [system] _1155356=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (214) [system] _1146060=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (213) [system] _1136764=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (212) [system] _1127468=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (211) [system] _1118172=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (210) [system] _1108876=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _1099580=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _1090284=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1069740)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1221428, _1221430), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1069740), _1221404, fail)), '$restore_trace'(_1221428, _1221430))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1221428, _1221430))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1069740), _1221404, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1069740)
   Call: (208) [system] atom_chars(_1069740, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1229880)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1231738)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1238548)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1241252)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1250644)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1254358)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1256216)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1264684)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1254358)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1270254)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1278722)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1282436)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1284294)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1292762)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1282436)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1302980)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1303914)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1307706, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1312276)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1313210)
   Exit: (212) [system] peek_char((0x56051b6b4f40), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_1317002, v('(', ')', end_of_file), d)
   Call: (212) [system] ')'==d
   Call: (212) [system] get_char((0x56051b6b4f40), d)
   Exit: (212) [system] get_char((0x56051b6b4f40), d)
   Call: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1321572)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1322506)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1326298, v('(', ')', end_of_file), 'L')
   Call: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (213) [system] get_char((0x56051b6b4f40), 'L')
   Call: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1330868)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1331802)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1335594, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1340164)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1341098)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1344890, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1349460)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1350394)
   Exit: (216) [system] peek_char((0x56051b6b4f40), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1354186, v('(', ')', end_of_file), k)
   Call: (216) [system] ')'==k
   Call: (216) [system] get_char((0x56051b6b4f40), k)
   Exit: (216) [system] get_char((0x56051b6b4f40), k)
   Call: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1358756)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1359690)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1358756=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1349460=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (215) [system] _1340164=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (214) [system] _1330868=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (213) [system] _1321572=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (212) [system] _1312276=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (211) [system] _1302980=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1282436)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1385764, _1385766), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1282436), _1385740, fail)), '$restore_trace'(_1385764, _1385766))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1385764, _1385766))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1282436), _1385740, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1282436)
   Call: (211) [system] atom_chars(_1282436, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1394216)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1396074)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1402884)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1405588)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1414980)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1418694)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1420552)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1429020)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1418694)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1439238)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1440172)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1439238=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq('A', [], _1418694)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1449482, _1449484), once(user:catch(read_from_chars(['A'], _1418694), _1449458, fail)), '$restore_trace'(_1449482, _1449484))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1449482, _1449484))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1418694), _1449458, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1418694)
   Call: (212) [system] atom_chars(_1418694, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1457934)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1459792)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1466602)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1469306)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1478698)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1482412)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1484270)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1492738)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'B')
   Call: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1482412)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1502956)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1503890)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1507682, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1502956=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq('B', [], _1482412)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1514144, _1514146), once(user:catch(read_from_chars(['B'], _1482412), _1514120, fail)), '$restore_trace'(_1514144, _1514146))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1514144, _1514146))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1482412), _1514120, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1482412)
   Call: (213) [system] atom_chars(_1482412, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1522596)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1524454)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1532922)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _1536712)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _1522596=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1457934=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (209) [system] _1394216=['A', 'B']
   Exit: (209) [system] ['A', 'B']=['A', 'B']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (208) [system] _1254358=['AndLink', 'A', 'B']
   Exit: (208) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1550594)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1552452)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1559262)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1561966)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1571358)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1575072)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1576930)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1585398)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1575072)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1595616)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1596550)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1600342, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1595616=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq('C', [], _1575072)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1606804, _1606806), once(user:catch(read_from_chars(['C'], _1575072), _1606780, fail)), '$restore_trace'(_1606804, _1606806))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1606804, _1606806))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1575072), _1606780, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1575072)
   Call: (210) [system] atom_chars(_1575072, ['C'])
   Exit: (210) [system] atom_chars('C', ['C'])
^  Exit: (209) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1615256)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1617114)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1625582)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _1629372)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _1615256=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1550594=['C']
   Exit: (207) [system] ['C']=['C']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (206) [system] _1229880=[['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (205) [system] _1041662=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1643254)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1645112)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1651922)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1654626)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (206) [system] 'B'=(;)
^  Call: (206) [user] is_like_space('B')
   Call: (207) [system] char_type('B', 'white')
   Call: (207) [system] char_type('B', end_of_line)
   Call: (207) [system] char_type('B', space)
   Call: (207) [system] char_type('B', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1664018)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (204) [system] 'B'=')'
   Call: (204) [system] 'B'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1667732)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1669590)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (206) [system] 'B'=(;)
^  Call: (206) [user] is_like_space('B')
   Call: (207) [system] char_type('B', 'white')
   Call: (207) [system] char_type('B', end_of_line)
   Call: (207) [system] char_type('B', space)
   Call: (207) [system] char_type('B', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1678058)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'B')
   Call: (205) [system] 'B'='('
   Call: (205) [system] 'B'='['
   Call: (205) [system] 'B'='{'
   Call: (205) [system] 'B'='"'
   Call: (205) [system] 'B'=!
   Call: (205) [system] 'B'='\''
   Call: (205) [system] 'B'='`'
   Call: (205) [system] 'B'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1667732)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1688276)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1689210)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1693002, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1688276=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (206) [user] classify_and_convert_charseq('B', [], _1667732)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1699464, _1699466), once(user:catch(read_from_chars(['B'], _1667732), _1699440, fail)), '$restore_trace'(_1699464, _1699466))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1699464, _1699466))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1667732), _1699440, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1667732)
   Call: (207) [system] atom_chars(_1667732, ['B'])
   Exit: (207) [system] atom_chars('B', ['B'])
^  Exit: (206) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1707916)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1709774)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1718242)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _1722032)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _1707916=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1643254=['B']
   Exit: (204) [system] ['B']=['B']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (203) [system] _1017184=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (203) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (202) [system] _877326=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (202) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1735914)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1737772)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1746240)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1750030)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1735914=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _852848=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (200) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (199) [system] _316418=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (199) [system] [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (198) [system] _250052=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (198) [system] [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1763912)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1765770)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (198) [system] '\n'=(;)
^  Call: (198) [user] is_like_space('\n')
   Call: (199) [system] char_type('\n', 'white')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
^  Exit: (198) [user] is_like_space('\n')
   Call: (198) [system] get_char((0x56051b6b4f40), _1773386)
   Exit: (198) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1776090)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (199) [system] '\t'=(;)
^  Call: (199) [user] is_like_space('\t')
   Call: (200) [system] char_type('\t', 'white')
   Exit: (200) [system] char_type('\t', 'white')
^  Exit: (199) [user] is_like_space('\t')
   Call: (199) [system] get_char((0x56051b6b4f40), _1782900)
   Exit: (199) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1785604)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (200) [system] '\t'=(;)
^  Call: (200) [user] is_like_space('\t')
   Call: (201) [system] char_type('\t', 'white')
   Exit: (201) [system] char_type('\t', 'white')
^  Exit: (200) [user] is_like_space('\t')
   Call: (200) [system] get_char((0x56051b6b4f40), _1792414)
   Exit: (200) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1795118)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1801928)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1804632)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1816796)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1820510)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1822368)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1830836)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1820510)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1836406)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1844874)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1848588)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1850446)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1858914)
   Exit: (200) [system] get_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, _1848588)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1869132)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1870066)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1869132=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _1848588)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1879376, _1879378), once(user:catch(read_from_chars([:], _1848588), _1879352, fail)), '$restore_trace'(_1879376, _1879378))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1879376, _1879378))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1879352, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1886876)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1888734)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1895544)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1898248)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1907640)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1911354)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1913212)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1921680)
   Exit: (201) [system] get_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1911354)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1927250)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (203) [system] 'C'=(;)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1935718)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1939432)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1941290)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1949758)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'C')
   Call: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1939432)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959976)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1960910)
   Exit: (205) [system] peek_char((0x56051b6b4f40), o)
^  Call: (205) [user] is_delimiter(o)
   Call: (206) [system] char_type(o, space)
   Call: (206) [system] arg(_1964702, v('(', ')', end_of_file), o)
   Call: (205) [system] ')'==o
   Call: (205) [system] get_char((0x56051b6b4f40), o)
   Exit: (205) [system] get_char((0x56051b6b4f40), o)
   Call: (205) [system] o=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1969272)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1970206)
   Exit: (206) [system] peek_char((0x56051b6b4f40), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1973998, v('(', ')', end_of_file), n)
   Call: (206) [system] ')'==n
   Call: (206) [system] get_char((0x56051b6b4f40), n)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1978568)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1979502)
   Exit: (207) [system] peek_char((0x56051b6b4f40), j)
^  Call: (207) [user] is_delimiter(j)
   Call: (208) [system] char_type(j, space)
   Call: (208) [system] arg(_1983294, v('(', ')', end_of_file), j)
   Call: (207) [system] ')'==j
   Call: (207) [system] get_char((0x56051b6b4f40), j)
   Exit: (207) [system] get_char((0x56051b6b4f40), j)
   Call: (207) [system] j=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1987864)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1988798)
   Exit: (208) [system] peek_char((0x56051b6b4f40), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_1992590, v('(', ')', end_of_file), u)
   Call: (208) [system] ')'==u
   Call: (208) [system] get_char((0x56051b6b4f40), u)
   Exit: (208) [system] get_char((0x56051b6b4f40), u)
   Call: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1997160)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1998094)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_2001886, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2006456)
   Call: (210) [system] peek_char((0x56051b6b4f40), _2007390)
   Exit: (210) [system] peek_char((0x56051b6b4f40), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_2011182, v('(', ')', end_of_file), c)
   Call: (210) [system] ')'==c
   Call: (210) [system] get_char((0x56051b6b4f40), c)
   Exit: (210) [system] get_char((0x56051b6b4f40), c)
   Call: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2015752)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2016686)
   Exit: (211) [system] peek_char((0x56051b6b4f40), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_2020478, v('(', ')', end_of_file), t)
   Call: (211) [system] ')'==t
   Call: (211) [system] get_char((0x56051b6b4f40), t)
   Exit: (211) [system] get_char((0x56051b6b4f40), t)
   Call: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2025048)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2025982)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_2029774, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2034344)
   Call: (213) [system] peek_char((0x56051b6b4f40), _2035278)
   Exit: (213) [system] peek_char((0x56051b6b4f40), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_2039070, v('(', ')', end_of_file), o)
   Call: (213) [system] ')'==o
   Call: (213) [system] get_char((0x56051b6b4f40), o)
   Exit: (213) [system] get_char((0x56051b6b4f40), o)
   Call: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2043640)
   Call: (214) [system] peek_char((0x56051b6b4f40), _2044574)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_2048366, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2052936)
   Call: (215) [system] peek_char((0x56051b6b4f40), _2053870)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (215) [user] is_delimiter('I')
   Call: (216) [system] char_type('I', space)
   Call: (216) [system] arg(_2057662, v('(', ')', end_of_file), 'I')
   Call: (215) [system] ')'=='I'
   Call: (215) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (215) [system] get_char((0x56051b6b4f40), 'I')
   Call: (215) [system] 'I'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2062232)
   Call: (216) [system] peek_char((0x56051b6b4f40), _2063166)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2066958, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2071528)
   Call: (217) [system] peek_char((0x56051b6b4f40), _2072462)
   Exit: (217) [system] peek_char((0x56051b6b4f40), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_2076254, v('(', ')', end_of_file), t)
   Call: (217) [system] ')'==t
   Call: (217) [system] get_char((0x56051b6b4f40), t)
   Exit: (217) [system] get_char((0x56051b6b4f40), t)
   Call: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2080824)
   Call: (218) [system] peek_char((0x56051b6b4f40), _2081758)
   Exit: (218) [system] peek_char((0x56051b6b4f40), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_2085550, v('(', ')', end_of_file), r)
   Call: (218) [system] ')'==r
   Call: (218) [system] get_char((0x56051b6b4f40), r)
   Exit: (218) [system] get_char((0x56051b6b4f40), r)
   Call: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2090120)
   Call: (219) [system] peek_char((0x56051b6b4f40), _2091054)
   Exit: (219) [system] peek_char((0x56051b6b4f40), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_2094846, v('(', ')', end_of_file), o)
   Call: (219) [system] ')'==o
   Call: (219) [system] get_char((0x56051b6b4f40), o)
   Exit: (219) [system] get_char((0x56051b6b4f40), o)
   Call: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _6762)
   Call: (220) [system] peek_char((0x56051b6b4f40), _7696)
   Exit: (220) [system] peek_char((0x56051b6b4f40), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_11488, v('(', ')', end_of_file), d)
   Call: (220) [system] ')'==d
   Call: (220) [system] get_char((0x56051b6b4f40), d)
   Exit: (220) [system] get_char((0x56051b6b4f40), d)
   Call: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _16058)
   Call: (221) [system] peek_char((0x56051b6b4f40), _16992)
   Exit: (221) [system] peek_char((0x56051b6b4f40), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_20784, v('(', ')', end_of_file), u)
   Call: (221) [system] ')'==u
   Call: (221) [system] get_char((0x56051b6b4f40), u)
   Exit: (221) [system] get_char((0x56051b6b4f40), u)
   Call: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _25354)
   Call: (222) [system] peek_char((0x56051b6b4f40), _26288)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_30080, v('(', ')', end_of_file), c)
   Call: (222) [system] ')'==c
   Call: (222) [system] get_char((0x56051b6b4f40), c)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _34650)
   Call: (223) [system] peek_char((0x56051b6b4f40), _35584)
   Exit: (223) [system] peek_char((0x56051b6b4f40), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_39376, v('(', ')', end_of_file), t)
   Call: (223) [system] ')'==t
   Call: (223) [system] get_char((0x56051b6b4f40), t)
   Exit: (223) [system] get_char((0x56051b6b4f40), t)
   Call: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _43946)
   Call: (224) [system] peek_char((0x56051b6b4f40), _44880)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_48672, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _53242)
   Call: (225) [system] peek_char((0x56051b6b4f40), _54176)
   Exit: (225) [system] peek_char((0x56051b6b4f40), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_57968, v('(', ')', end_of_file), o)
   Call: (225) [system] ')'==o
   Call: (225) [system] get_char((0x56051b6b4f40), o)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _62538)
   Call: (226) [system] peek_char((0x56051b6b4f40), _63472)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_67264, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _71834)
   Call: (227) [system] peek_char((0x56051b6b4f40), _72768)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _71834=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _62538=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (225) [system] _53242=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (224) [system] _43946=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (223) [system] _34650=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (222) [system] _25354=[c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (221) [system] _16058=[u, c, t, i, o, n]
   Exit: (221) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (220) [system] _6762=[d, u, c, t, i, o, n]
   Exit: (220) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (219) [system] _4154=[o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (218) [system] _4150=[r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4146=[t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4142=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4138=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4134=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4130=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4126=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4122=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4118=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _4114=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _4110=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _4106=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _4102=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _4098=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4094)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_143546, _143548), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4094), _143522, fail)), '$restore_trace'(_143546, _143548))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_143546, _143548))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4094), _143522, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_4094)
   Call: (205) [system] atom_chars(_4094, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (205) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _151998)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _153856)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _160666)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _163370)
   Exit: (205) [system] peek_char((0x56051b6b4f40), c)
   Call: (205) [system] c=(;)
^  Call: (205) [user] is_like_space(c)
   Call: (206) [system] char_type(c, 'white')
   Call: (206) [system] char_type(c, end_of_line)
   Call: (206) [system] char_type(c, space)
   Call: (206) [system] char_type(c, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _172762)
   Exit: (203) [system] peek_char((0x56051b6b4f40), c)
   Call: (203) [system] c=')'
   Call: (203) [system] c=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _176476)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _178334)
   Exit: (205) [system] peek_char((0x56051b6b4f40), c)
   Call: (205) [system] c=(;)
^  Call: (205) [user] is_like_space(c)
   Call: (206) [system] char_type(c, 'white')
   Call: (206) [system] char_type(c, end_of_line)
   Call: (206) [system] char_type(c, space)
   Call: (206) [system] char_type(c, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _186802)
   Exit: (204) [system] get_char((0x56051b6b4f40), c)
   Call: (204) [system] c='('
   Call: (204) [system] c='['
   Call: (204) [system] c='{'
   Call: (204) [system] c='"'
   Call: (204) [system] c=!
   Call: (204) [system] c='\''
   Call: (204) [system] c='`'
   Call: (204) [system] c=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), c, _176476)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _197020)
   Call: (206) [system] peek_char((0x56051b6b4f40), _197954)
   Exit: (206) [system] peek_char((0x56051b6b4f40), d)
^  Call: (206) [user] is_delimiter(d)
   Call: (207) [system] char_type(d, space)
   Call: (207) [system] arg(_201746, v('(', ')', end_of_file), d)
   Call: (206) [system] ')'==d
   Call: (206) [system] get_char((0x56051b6b4f40), d)
   Exit: (206) [system] get_char((0x56051b6b4f40), d)
   Call: (206) [system] d=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _206316)
   Call: (207) [system] peek_char((0x56051b6b4f40), _207250)
   Exit: (207) [system] peek_char((0x56051b6b4f40), e)
^  Call: (207) [user] is_delimiter(e)
   Call: (208) [system] char_type(e, space)
   Call: (208) [system] arg(_211042, v('(', ')', end_of_file), e)
   Call: (207) [system] ')'==e
   Call: (207) [system] get_char((0x56051b6b4f40), e)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] e=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _215612)
   Call: (208) [system] peek_char((0x56051b6b4f40), _216546)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _215612=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _206316=[e]
   Exit: (207) [system] [e]=[e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (206) [system] _197020=[d, e]
   Exit: (206) [system] [d, e]=[d, e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (205) [user] classify_and_convert_charseq(c, [d, e], _176476)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_231444, _231446), once(user:catch(read_from_chars([c, d, e], _176476), _231420, fail)), '$restore_trace'(_231444, _231446))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_231444, _231446))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _231420, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(cde)
   Exit: (206) [system] atomic(cde)
^  Exit: (205) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _238944)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _240802)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _247612)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _250316)
   Exit: (206) [system] peek_char((0x56051b6b4f40), a)
   Call: (206) [system] a=(;)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _259708)
   Exit: (204) [system] peek_char((0x56051b6b4f40), a)
   Call: (204) [system] a=')'
   Call: (204) [system] a=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _263422)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _265280)
   Exit: (206) [system] peek_char((0x56051b6b4f40), a)
   Call: (206) [system] a=(;)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _273748)
   Exit: (205) [system] get_char((0x56051b6b4f40), a)
   Call: (205) [system] a='('
   Call: (205) [system] a='['
   Call: (205) [system] a='{'
   Call: (205) [system] a='"'
   Call: (205) [system] a=!
   Call: (205) [system] a='\''
   Call: (205) [system] a='`'
   Call: (205) [system] a=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), a, _263422)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _283966)
   Call: (207) [system] peek_char((0x56051b6b4f40), _284900)
   Exit: (207) [system] peek_char((0x56051b6b4f40), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_288692, v('(', ')', end_of_file), b)
   Call: (207) [system] ')'==b
   Call: (207) [system] get_char((0x56051b6b4f40), b)
   Exit: (207) [system] get_char((0x56051b6b4f40), b)
   Call: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293262)
   Call: (208) [system] peek_char((0x56051b6b4f40), _294196)
   Exit: (208) [system] peek_char((0x56051b6b4f40), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_297988, v('(', ')', end_of_file), c)
   Call: (208) [system] ')'==c
   Call: (208) [system] get_char((0x56051b6b4f40), c)
   Exit: (208) [system] get_char((0x56051b6b4f40), c)
   Call: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _302558)
   Call: (209) [system] peek_char((0x56051b6b4f40), _303492)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_307284, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _302558=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _293262=[c]
   Exit: (208) [system] [c]=[c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (207) [system] _283966=[b, c]
   Exit: (207) [system] [b, c]=[b, c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (206) [user] classify_and_convert_charseq(a, [b, c], _263422)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_319334, _319336), once(user:catch(read_from_chars([a, b, c], _263422), _319310, fail)), '$restore_trace'(_319334, _319336))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_319334, _319336))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _319310, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(abc)
   Exit: (207) [system] atomic(abc)
^  Exit: (206) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _326834)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _328692)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _337160)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _340950)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _326834=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _238944=[abc]
   Exit: (204) [system] [abc]=[abc]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (203) [system] _151998=[cde, abc]
   Exit: (203) [system] [cde, abc]=[cde, abc]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [cde, abc])
   Call: (202) [system] _4088=['ConjunctionIntroduction', cde, abc]
   Exit: (202) [system] ['ConjunctionIntroduction', cde, abc]=['ConjunctionIntroduction', cde, abc]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, abc])
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, abc])
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _354832)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _356690)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _363500)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _366204)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _375596)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _379310)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _381168)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _389636)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _379310)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _395206)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (204) [system] 'A'=(;)
^  Call: (204) [user] is_like_space('A')
   Call: (205) [system] char_type('A', 'white')
   Call: (205) [system] char_type('A', end_of_line)
   Call: (205) [system] char_type('A', space)
   Call: (205) [system] char_type('A', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _403674)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (203) [system] 'A'=')'
   Call: (203) [system] 'A'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _407388)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _409246)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (205) [system] 'A'=(;)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _417714)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'A')
   Call: (204) [system] 'A'='('
   Call: (204) [system] 'A'='['
   Call: (204) [system] 'A'='{'
   Call: (204) [system] 'A'='"'
   Call: (204) [system] 'A'=!
   Call: (204) [system] 'A'='\''
   Call: (204) [system] 'A'='`'
   Call: (204) [system] 'A'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _407388)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _427932)
   Call: (206) [system] peek_char((0x56051b6b4f40), _428866)
   Exit: (206) [system] peek_char((0x56051b6b4f40), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_432658, v('(', ')', end_of_file), n)
   Call: (206) [system] ')'==n
   Call: (206) [system] get_char((0x56051b6b4f40), n)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _437228)
   Call: (207) [system] peek_char((0x56051b6b4f40), _438162)
   Exit: (207) [system] peek_char((0x56051b6b4f40), d)
^  Call: (207) [user] is_delimiter(d)
   Call: (208) [system] char_type(d, space)
   Call: (208) [system] arg(_441954, v('(', ')', end_of_file), d)
   Call: (207) [system] ')'==d
   Call: (207) [system] get_char((0x56051b6b4f40), d)
   Exit: (207) [system] get_char((0x56051b6b4f40), d)
   Call: (207) [system] d=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _446524)
   Call: (208) [system] peek_char((0x56051b6b4f40), _447458)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_451250, v('(', ')', end_of_file), 'L')
   Call: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (208) [system] get_char((0x56051b6b4f40), 'L')
   Call: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _455820)
   Call: (209) [system] peek_char((0x56051b6b4f40), _456754)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_460546, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _465116)
   Call: (210) [system] peek_char((0x56051b6b4f40), _466050)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_469842, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _474412)
   Call: (211) [system] peek_char((0x56051b6b4f40), _475346)
   Exit: (211) [system] peek_char((0x56051b6b4f40), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_479138, v('(', ')', end_of_file), k)
   Call: (211) [system] ')'==k
   Call: (211) [system] get_char((0x56051b6b4f40), k)
   Exit: (211) [system] get_char((0x56051b6b4f40), k)
   Call: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _483708)
   Call: (212) [system] peek_char((0x56051b6b4f40), _484642)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _483708=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _474412=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (210) [system] _465116=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (209) [system] _455820=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (208) [system] _446524=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (207) [system] _437228=[d, 'L', i, n, k]
   Exit: (207) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (206) [system] _427932=[n, d, 'L', i, n, k]
   Exit: (206) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (205) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _407388)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_510716, _510718), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _407388), _510692, fail)), '$restore_trace'(_510716, _510718))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_510716, _510718))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _407388), _510692, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_407388)
   Call: (206) [system] atom_chars(_407388, ['A', n, d, 'L', i, n, k])
   Exit: (206) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (205) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _519168)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _521026)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _527836)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _530540)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _539932)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _543646)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _545504)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _553972)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _543646)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _559542)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (207) [system] 'I'=(;)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _568010)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'=')'
   Call: (206) [system] 'I'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _571724)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _573582)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'=(;)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _582050)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'I')
   Call: (207) [system] 'I'='('
   Call: (207) [system] 'I'='['
   Call: (207) [system] 'I'='{'
   Call: (207) [system] 'I'='"'
   Call: (207) [system] 'I'=!
   Call: (207) [system] 'I'='\''
   Call: (207) [system] 'I'='`'
   Call: (207) [system] 'I'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _571724)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592268)
   Call: (209) [system] peek_char((0x56051b6b4f40), _593202)
   Exit: (209) [system] peek_char((0x56051b6b4f40), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_596994, v('(', ')', end_of_file), m)
   Call: (209) [system] ')'==m
   Call: (209) [system] get_char((0x56051b6b4f40), m)
   Exit: (209) [system] get_char((0x56051b6b4f40), m)
   Call: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _601564)
   Call: (210) [system] peek_char((0x56051b6b4f40), _602498)
   Exit: (210) [system] peek_char((0x56051b6b4f40), p)
^  Call: (210) [user] is_delimiter(p)
   Call: (211) [system] char_type(p, space)
   Call: (211) [system] arg(_606290, v('(', ')', end_of_file), p)
   Call: (210) [system] ')'==p
   Call: (210) [system] get_char((0x56051b6b4f40), p)
   Exit: (210) [system] get_char((0x56051b6b4f40), p)
   Call: (210) [system] p=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _610860)
   Call: (211) [system] peek_char((0x56051b6b4f40), _611794)
   Exit: (211) [system] peek_char((0x56051b6b4f40), l)
^  Call: (211) [user] is_delimiter(l)
   Call: (212) [system] char_type(l, space)
   Call: (212) [system] arg(_615586, v('(', ')', end_of_file), l)
   Call: (211) [system] ')'==l
   Call: (211) [system] get_char((0x56051b6b4f40), l)
   Exit: (211) [system] get_char((0x56051b6b4f40), l)
   Call: (211) [system] l=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620156)
   Call: (212) [system] peek_char((0x56051b6b4f40), _621090)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_624882, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _629452)
   Call: (213) [system] peek_char((0x56051b6b4f40), _630386)
   Exit: (213) [system] peek_char((0x56051b6b4f40), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_634178, v('(', ')', end_of_file), c)
   Call: (213) [system] ')'==c
   Call: (213) [system] get_char((0x56051b6b4f40), c)
   Exit: (213) [system] get_char((0x56051b6b4f40), c)
   Call: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638748)
   Call: (214) [system] peek_char((0x56051b6b4f40), _639682)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
^  Call: (214) [user] is_delimiter(a)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] arg(_643474, v('(', ')', end_of_file), a)
   Call: (214) [system] ')'==a
   Call: (214) [system] get_char((0x56051b6b4f40), a)
   Exit: (214) [system] get_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _648044)
   Call: (215) [system] peek_char((0x56051b6b4f40), _648978)
   Exit: (215) [system] peek_char((0x56051b6b4f40), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_652770, v('(', ')', end_of_file), t)
   Call: (215) [system] ')'==t
   Call: (215) [system] get_char((0x56051b6b4f40), t)
   Exit: (215) [system] get_char((0x56051b6b4f40), t)
   Call: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657340)
   Call: (216) [system] peek_char((0x56051b6b4f40), _658274)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_662066, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666636)
   Call: (217) [system] peek_char((0x56051b6b4f40), _667570)
   Exit: (217) [system] peek_char((0x56051b6b4f40), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_671362, v('(', ')', end_of_file), o)
   Call: (217) [system] ')'==o
   Call: (217) [system] get_char((0x56051b6b4f40), o)
   Exit: (217) [system] get_char((0x56051b6b4f40), o)
   Call: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _675932)
   Call: (218) [system] peek_char((0x56051b6b4f40), _676866)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_680658, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _685228)
   Call: (219) [system] peek_char((0x56051b6b4f40), _686162)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _685228=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _675932=[n]
   Exit: (218) [system] [n]=[n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (217) [system] _666636=[o, n]
   Exit: (217) [system] [o, n]=[o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (216) [system] _657340=[i, o, n]
   Exit: (216) [system] [i, o, n]=[i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (215) [system] _648044=[t, i, o, n]
   Exit: (215) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (214) [system] _638748=[a, t, i, o, n]
   Exit: (214) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (213) [system] _629452=[c, a, t, i, o, n]
   Exit: (213) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (212) [system] _620156=[i, c, a, t, i, o, n]
   Exit: (212) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (211) [system] _610860=[l, i, c, a, t, i, o, n]
   Exit: (211) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (210) [system] _601564=[p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (209) [system] _592268=[m, p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _571724)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_723412, _723414), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _571724), _723388, fail)), '$restore_trace'(_723412, _723414))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_723412, _723414))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _571724), _723388, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_571724)
   Call: (209) [system] atom_chars(_571724, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _731864)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _733722)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _740532)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _743236)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _752628)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _756342)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _758200)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _766668)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _756342)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _772238)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _780706)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _784420)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _786278)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _794746)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _784420)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _804964)
   Call: (212) [system] peek_char((0x56051b6b4f40), _805898)
   Exit: (212) [system] peek_char((0x56051b6b4f40), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_809690, v('(', ')', end_of_file), r)
   Call: (212) [system] ')'==r
   Call: (212) [system] get_char((0x56051b6b4f40), r)
   Exit: (212) [system] get_char((0x56051b6b4f40), r)
   Call: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _814260)
   Call: (213) [system] peek_char((0x56051b6b4f40), _815194)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_818986, v('(', ')', end_of_file), 'L')
   Call: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (213) [system] get_char((0x56051b6b4f40), 'L')
   Call: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _823556)
   Call: (214) [system] peek_char((0x56051b6b4f40), _824490)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_828282, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _832852)
   Call: (215) [system] peek_char((0x56051b6b4f40), _833786)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_837578, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _842148)
   Call: (216) [system] peek_char((0x56051b6b4f40), _843082)
   Exit: (216) [system] peek_char((0x56051b6b4f40), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_846874, v('(', ')', end_of_file), k)
   Call: (216) [system] ')'==k
   Call: (216) [system] get_char((0x56051b6b4f40), k)
   Exit: (216) [system] get_char((0x56051b6b4f40), k)
   Call: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _851444)
   Call: (217) [system] peek_char((0x56051b6b4f40), _852378)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _851444=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _842148=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (215) [system] _832852=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (214) [system] _823556=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (213) [system] _814260=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (212) [system] _804964=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _784420)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_875658, _875660), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _784420), _875634, fail)), '$restore_trace'(_875658, _875660))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_875658, _875660))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _784420), _875634, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_784420)
   Call: (212) [system] atom_chars(_784420, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _884110)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _885968)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _892778)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _895482)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _904874)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _908588)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _910446)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _918914)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _908588)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _929132)
   Call: (213) [system] peek_char((0x56051b6b4f40), _930066)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _929132=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq('C', [], _908588)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_939376, _939378), once(user:catch(read_from_chars(['C'], _908588), _939352, fail)), '$restore_trace'(_939376, _939378))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_939376, _939378))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _908588), _939352, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_908588)
   Call: (213) [system] atom_chars(_908588, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _947828)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _949686)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _956496)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _959200)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _968592)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _972306)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _974164)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _982632)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _972306)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _992850)
   Call: (214) [system] peek_char((0x56051b6b4f40), _993784)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_997576, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _992850=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq('D', [], _972306)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1004038, _1004040), once(user:catch(read_from_chars(['D'], _972306), _1004014, fail)), '$restore_trace'(_1004038, _1004040))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1004038, _1004040))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _972306), _1004014, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_972306)
   Call: (214) [system] atom_chars(_972306, ['D'])
   Exit: (214) [system] atom_chars('D', ['D'])
^  Exit: (213) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1012490)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1014348)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1022816)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _1026606)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _1012490=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _947828=['D']
   Exit: (211) [system] ['D']=['D']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (210) [system] _884110=['C', 'D']
   Exit: (210) [system] ['C', 'D']=['C', 'D']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (209) [system] _756342=['OrLink', 'C', 'D']
   Exit: (209) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1040488)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1042346)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1049156)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1051860)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (210) [system] 'E'=(;)
^  Call: (210) [user] is_like_space('E')
   Call: (211) [system] char_type('E', 'white')
   Call: (211) [system] char_type('E', end_of_line)
   Call: (211) [system] char_type('E', space)
   Call: (211) [system] char_type('E', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1061252)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (208) [system] 'E'=')'
   Call: (208) [system] 'E'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1064966)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1066824)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (210) [system] 'E'=(;)
^  Call: (210) [user] is_like_space('E')
   Call: (211) [system] char_type('E', 'white')
   Call: (211) [system] char_type('E', end_of_line)
   Call: (211) [system] char_type('E', space)
   Call: (211) [system] char_type('E', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1075292)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'E')
   Call: (209) [system] 'E'='('
   Call: (209) [system] 'E'='['
   Call: (209) [system] 'E'='{'
   Call: (209) [system] 'E'='"'
   Call: (209) [system] 'E'=!
   Call: (209) [system] 'E'='\''
   Call: (209) [system] 'E'='`'
   Call: (209) [system] 'E'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1064966)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1085510)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1086444)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1090236, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1085510=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('E', [], _1064966)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1096698, _1096700), once(user:catch(read_from_chars(['E'], _1064966), _1096674, fail)), '$restore_trace'(_1096698, _1096700))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1096698, _1096700))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1064966), _1096674, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1064966)
   Call: (211) [system] atom_chars(_1064966, ['E'])
   Exit: (211) [system] atom_chars('E', ['E'])
^  Exit: (210) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1105150)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1107008)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1115476)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _1119266)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _1105150=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1040488=['E']
   Exit: (208) [system] ['E']=['E']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (207) [system] _731864=[['OrLink', 'C', 'D'], 'E']
   Exit: (207) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (206) [system] _543646=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (206) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1133148)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1135006)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _1141816)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1144520)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1153912)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1157626)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1159484)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1167952)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1157626)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1173522)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'=(;)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1181990)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1185704)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1187562)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1196030)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1185704)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1206248)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1207182)
   Exit: (210) [system] peek_char((0x56051b6b4f40), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_1210974, v('(', ')', end_of_file), m)
   Call: (210) [system] ')'==m
   Call: (210) [system] get_char((0x56051b6b4f40), m)
   Exit: (210) [system] get_char((0x56051b6b4f40), m)
   Call: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1215544)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1216478)
   Exit: (211) [system] peek_char((0x56051b6b4f40), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_1220270, v('(', ')', end_of_file), p)
   Call: (211) [system] ')'==p
   Call: (211) [system] get_char((0x56051b6b4f40), p)
   Exit: (211) [system] get_char((0x56051b6b4f40), p)
   Call: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1224840)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1225774)
   Exit: (212) [system] peek_char((0x56051b6b4f40), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_1229566, v('(', ')', end_of_file), l)
   Call: (212) [system] ')'==l
   Call: (212) [system] get_char((0x56051b6b4f40), l)
   Exit: (212) [system] get_char((0x56051b6b4f40), l)
   Call: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1234136)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1235070)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1238862, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1243432)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1244366)
   Exit: (214) [system] peek_char((0x56051b6b4f40), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1248158, v('(', ')', end_of_file), c)
   Call: (214) [system] ')'==c
   Call: (214) [system] get_char((0x56051b6b4f40), c)
   Exit: (214) [system] get_char((0x56051b6b4f40), c)
   Call: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1252728)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1253662)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_1257454, v('(', ')', end_of_file), a)
   Call: (215) [system] ')'==a
   Call: (215) [system] get_char((0x56051b6b4f40), a)
   Exit: (215) [system] get_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1262024)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1262958)
   Exit: (216) [system] peek_char((0x56051b6b4f40), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1266750, v('(', ')', end_of_file), t)
   Call: (216) [system] ')'==t
   Call: (216) [system] get_char((0x56051b6b4f40), t)
   Exit: (216) [system] get_char((0x56051b6b4f40), t)
   Call: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1271320)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1272254)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1276046, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1280616)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1281550)
   Exit: (218) [system] peek_char((0x56051b6b4f40), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1285342, v('(', ')', end_of_file), o)
   Call: (218) [system] ')'==o
   Call: (218) [system] get_char((0x56051b6b4f40), o)
   Exit: (218) [system] get_char((0x56051b6b4f40), o)
   Call: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1289912)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1290846)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1294638, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1299208)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1300142)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1299208=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _1289912=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (218) [system] _1280616=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (217) [system] _1271320=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (216) [system] _1262024=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (215) [system] _1252728=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (214) [system] _1243432=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (213) [system] _1234136=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (212) [system] _1224840=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _1215544=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _1206248=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1185704)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1337392, _1337394), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1185704), _1337368, fail)), '$restore_trace'(_1337392, _1337394))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1337392, _1337394))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1185704), _1337368, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1185704)
   Call: (210) [system] atom_chars(_1185704, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1345844)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1347702)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1354512)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1357216)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1366608)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1370322)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1372180)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1380648)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1370322)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1386218)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1394686)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1398400)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1400258)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1408726)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1398400)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1418944)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1419878)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1423670, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1428240)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1429174)
   Exit: (214) [system] peek_char((0x56051b6b4f40), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_1432966, v('(', ')', end_of_file), d)
   Call: (214) [system] ')'==d
   Call: (214) [system] get_char((0x56051b6b4f40), d)
   Exit: (214) [system] get_char((0x56051b6b4f40), d)
   Call: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1437536)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1438470)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1442262, v('(', ')', end_of_file), 'L')
   Call: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (215) [system] get_char((0x56051b6b4f40), 'L')
   Call: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1446832)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1447766)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1451558, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1456128)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1457062)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1460854, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1465424)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1466358)
   Exit: (218) [system] peek_char((0x56051b6b4f40), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1470150, v('(', ')', end_of_file), k)
   Call: (218) [system] ')'==k
   Call: (218) [system] get_char((0x56051b6b4f40), k)
   Exit: (218) [system] get_char((0x56051b6b4f40), k)
   Call: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1474720)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1475654)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1474720=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _1465424=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (217) [system] _1456128=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (216) [system] _1446832=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (215) [system] _1437536=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (214) [system] _1428240=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (213) [system] _1418944=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1398400)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1501728, _1501730), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1398400), _1501704, fail)), '$restore_trace'(_1501728, _1501730))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1501728, _1501730))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1398400), _1501704, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1398400)
   Call: (213) [system] atom_chars(_1398400, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1510180)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1512038)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1518848)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1521552)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1530944)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1534658)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1536516)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1544984)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1534658)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1555202)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1556136)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1555202=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq('A', [], _1534658)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1565446, _1565448), once(user:catch(read_from_chars(['A'], _1534658), _1565422, fail)), '$restore_trace'(_1565446, _1565448))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1565446, _1565448))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1534658), _1565422, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1534658)
   Call: (214) [system] atom_chars(_1534658, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1573898)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1575756)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1582566)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1585270)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1594662)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1598376)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1600234)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1608702)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'B')
   Call: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1598376)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1618920)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1619854)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1623646, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1618920=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('B', [], _1598376)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1630108, _1630110), once(user:catch(read_from_chars(['B'], _1598376), _1630084, fail)), '$restore_trace'(_1630108, _1630110))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1630108, _1630110))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1598376), _1630084, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1598376)
   Call: (215) [system] atom_chars(_1598376, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1638560)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1640418)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1648886)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _1652676)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _1638560=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _1573898=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (211) [system] _1510180=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (210) [system] _1370322=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1666558)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1668416)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1675226)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1677930)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1687322)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1691036)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1692894)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1701362)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1691036)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1711580)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1712514)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1716306, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1711580=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq('C', [], _1691036)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1722768, _1722770), once(user:catch(read_from_chars(['C'], _1691036), _1722744, fail)), '$restore_trace'(_1722768, _1722770))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1722768, _1722770))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1691036), _1722744, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1691036)
   Call: (212) [system] atom_chars(_1691036, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1731220)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1733078)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1741546)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _1745336)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _1731220=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1666558=['C']
   Exit: (209) [system] ['C']=['C']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (208) [system] _1345844=[['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (207) [system] _1157626=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1759218)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1761076)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1769544)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _1773334)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _1759218=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1133148=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (205) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (204) [system] _519168=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (204) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (203) [system] _379310=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (203) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1787216)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1789074)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1797542)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1801332)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1787216=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _354832=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (201) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (200) [system] _4084=[['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (200) [system] [['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (199) [system] _4076=[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (199) [system] [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1815214)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1817072)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (199) [system] '\n'=(;)
^  Call: (199) [user] is_like_space('\n')
   Call: (200) [system] char_type('\n', 'white')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
^  Exit: (199) [user] is_like_space('\n')
   Call: (199) [system] get_char((0x56051b6b4f40), _1824688)
   Exit: (199) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1827392)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (200) [system] '\t'=(;)
^  Call: (200) [user] is_like_space('\t')
   Call: (201) [system] char_type('\t', 'white')
   Exit: (201) [system] char_type('\t', 'white')
^  Exit: (200) [user] is_like_space('\t')
   Call: (200) [system] get_char((0x56051b6b4f40), _1834202)
   Exit: (200) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1836906)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (201) [system] '\t'=(;)
^  Call: (201) [user] is_like_space('\t')
   Call: (202) [system] char_type('\t', 'white')
   Exit: (202) [system] char_type('\t', 'white')
^  Exit: (201) [user] is_like_space('\t')
   Call: (201) [system] get_char((0x56051b6b4f40), _1843716)
   Exit: (201) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1846420)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1853230)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1855934)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1868098)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1871812)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1873670)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1882138)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1871812)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1887708)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1896176)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1899890)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1901748)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1910216)
   Exit: (201) [system] get_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, _1899890)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1920434)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1921368)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1920434=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _1899890)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1930678, _1930680), once(user:catch(read_from_chars([:], _1899890), _1930654, fail)), '$restore_trace'(_1930678, _1930680))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1930678, _1930680))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1930654, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1938178)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1940036)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1946846)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1949550)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1958942)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1962656)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1964514)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1972982)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1962656)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1978552)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1987020)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (203) [system] 'C'=')'
   Call: (203) [system] 'C'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1990734)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1992592)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (205) [system] 'C'=(;)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _2001060)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'C')
   Call: (204) [system] 'C'='('
   Call: (204) [system] 'C'='['
   Call: (204) [system] 'C'='{'
   Call: (204) [system] 'C'='"'
   Call: (204) [system] 'C'=!
   Call: (204) [system] 'C'='\''
   Call: (204) [system] 'C'='`'
   Call: (204) [system] 'C'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1990734)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2011278)
   Call: (206) [system] peek_char((0x56051b6b4f40), _2012212)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_2016004, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2020574)
   Call: (207) [system] peek_char((0x56051b6b4f40), _2021508)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_2025300, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2029870)
   Call: (208) [system] peek_char((0x56051b6b4f40), _2030804)
   Exit: (208) [system] peek_char((0x56051b6b4f40), j)
^  Call: (208) [user] is_delimiter(j)
   Call: (209) [system] char_type(j, space)
   Call: (209) [system] arg(_2034596, v('(', ')', end_of_file), j)
   Call: (208) [system] ')'==j
   Call: (208) [system] get_char((0x56051b6b4f40), j)
   Exit: (208) [system] get_char((0x56051b6b4f40), j)
   Call: (208) [system] j=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2039166)
   Call: (209) [system] peek_char((0x56051b6b4f40), _2040100)
   Exit: (209) [system] peek_char((0x56051b6b4f40), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_2043892, v('(', ')', end_of_file), u)
   Call: (209) [system] ')'==u
   Call: (209) [system] get_char((0x56051b6b4f40), u)
   Exit: (209) [system] get_char((0x56051b6b4f40), u)
   Call: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2048462)
   Call: (210) [system] peek_char((0x56051b6b4f40), _2049396)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_2053188, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2057758)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2058692)
   Exit: (211) [system] peek_char((0x56051b6b4f40), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_2062484, v('(', ')', end_of_file), c)
   Call: (211) [system] ')'==c
   Call: (211) [system] get_char((0x56051b6b4f40), c)
   Exit: (211) [system] get_char((0x56051b6b4f40), c)
   Call: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2067054)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2067988)
   Exit: (212) [system] peek_char((0x56051b6b4f40), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_2071780, v('(', ')', end_of_file), t)
   Call: (212) [system] ')'==t
   Call: (212) [system] get_char((0x56051b6b4f40), t)
   Exit: (212) [system] get_char((0x56051b6b4f40), t)
   Call: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2076350)
   Call: (213) [system] peek_char((0x56051b6b4f40), _2077284)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_2081076, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2085646)
   Call: (214) [system] peek_char((0x56051b6b4f40), _2086580)
   Exit: (214) [system] peek_char((0x56051b6b4f40), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_2090372, v('(', ')', end_of_file), o)
   Call: (214) [system] ')'==o
   Call: (214) [system] get_char((0x56051b6b4f40), o)
   Exit: (214) [system] get_char((0x56051b6b4f40), o)
   Call: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2094942)
   Call: (215) [system] peek_char((0x56051b6b4f40), _2095876)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_7074, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _11644)
   Call: (216) [system] peek_char((0x56051b6b4f40), _12578)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (216) [user] is_delimiter('I')
   Call: (217) [system] char_type('I', space)
   Call: (217) [system] arg(_16370, v('(', ')', end_of_file), 'I')
   Call: (216) [system] ')'=='I'
   Call: (216) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (216) [system] get_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _20940)
   Call: (217) [system] peek_char((0x56051b6b4f40), _21874)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_25666, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _30236)
   Call: (218) [system] peek_char((0x56051b6b4f40), _31170)
   Exit: (218) [system] peek_char((0x56051b6b4f40), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_34962, v('(', ')', end_of_file), t)
   Call: (218) [system] ')'==t
   Call: (218) [system] get_char((0x56051b6b4f40), t)
   Exit: (218) [system] get_char((0x56051b6b4f40), t)
   Call: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _39532)
   Call: (219) [system] peek_char((0x56051b6b4f40), _40466)
   Exit: (219) [system] peek_char((0x56051b6b4f40), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_44258, v('(', ')', end_of_file), r)
   Call: (219) [system] ')'==r
   Call: (219) [system] get_char((0x56051b6b4f40), r)
   Exit: (219) [system] get_char((0x56051b6b4f40), r)
   Call: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _48828)
   Call: (220) [system] peek_char((0x56051b6b4f40), _49762)
   Exit: (220) [system] peek_char((0x56051b6b4f40), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_53554, v('(', ')', end_of_file), o)
   Call: (220) [system] ')'==o
   Call: (220) [system] get_char((0x56051b6b4f40), o)
   Exit: (220) [system] get_char((0x56051b6b4f40), o)
   Call: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _58124)
   Call: (221) [system] peek_char((0x56051b6b4f40), _59058)
   Exit: (221) [system] peek_char((0x56051b6b4f40), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_62850, v('(', ')', end_of_file), d)
   Call: (221) [system] ')'==d
   Call: (221) [system] get_char((0x56051b6b4f40), d)
   Exit: (221) [system] get_char((0x56051b6b4f40), d)
   Call: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _67420)
   Call: (222) [system] peek_char((0x56051b6b4f40), _68354)
   Exit: (222) [system] peek_char((0x56051b6b4f40), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_72146, v('(', ')', end_of_file), u)
   Call: (222) [system] ')'==u
   Call: (222) [system] get_char((0x56051b6b4f40), u)
   Exit: (222) [system] get_char((0x56051b6b4f40), u)
   Call: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _76716)
   Call: (223) [system] peek_char((0x56051b6b4f40), _77650)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_81442, v('(', ')', end_of_file), c)
   Call: (223) [system] ')'==c
   Call: (223) [system] get_char((0x56051b6b4f40), c)
   Exit: (223) [system] get_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _86012)
   Call: (224) [system] peek_char((0x56051b6b4f40), _86946)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_90738, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _95308)
   Call: (225) [system] peek_char((0x56051b6b4f40), _96242)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_100034, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _104604)
   Call: (226) [system] peek_char((0x56051b6b4f40), _105538)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_109330, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _113900)
   Call: (227) [system] peek_char((0x56051b6b4f40), _114834)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_118626, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _123196)
   Call: (228) [system] peek_char((0x56051b6b4f40), _124130)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _123196=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _113900=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (226) [system] _104604=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (225) [system] _95308=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (224) [system] _86012=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (223) [system] _76716=[c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (222) [system] _67420=[u, c, t, i, o, n]
   Exit: (222) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (221) [system] _58124=[d, u, c, t, i, o, n]
   Exit: (221) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (220) [system] _48828=[o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (219) [system] _39532=[r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _30236=[t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _20940=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _11644=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4266=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4262=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4258=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4254=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4250=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4246=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _4242=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _4238=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _4234=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _4230=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4226)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_194908, _194910), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4226), _194884, fail)), '$restore_trace'(_194908, _194910))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_194908, _194910))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4226), _194884, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_4226)
   Call: (206) [system] atom_chars(_4226, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (206) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _203360)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _205218)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _212028)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _214732)
   Exit: (206) [system] peek_char((0x56051b6b4f40), c)
   Call: (206) [system] c=(;)
^  Call: (206) [user] is_like_space(c)
   Call: (207) [system] char_type(c, 'white')
   Call: (207) [system] char_type(c, end_of_line)
   Call: (207) [system] char_type(c, space)
   Call: (207) [system] char_type(c, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _224124)
   Exit: (204) [system] peek_char((0x56051b6b4f40), c)
   Call: (204) [system] c=')'
   Call: (204) [system] c=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _227838)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _229696)
   Exit: (206) [system] peek_char((0x56051b6b4f40), c)
   Call: (206) [system] c=(;)
^  Call: (206) [user] is_like_space(c)
   Call: (207) [system] char_type(c, 'white')
   Call: (207) [system] char_type(c, end_of_line)
   Call: (207) [system] char_type(c, space)
   Call: (207) [system] char_type(c, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _238164)
   Exit: (205) [system] get_char((0x56051b6b4f40), c)
   Call: (205) [system] c='('
   Call: (205) [system] c='['
   Call: (205) [system] c='{'
   Call: (205) [system] c='"'
   Call: (205) [system] c=!
   Call: (205) [system] c='\''
   Call: (205) [system] c='`'
   Call: (205) [system] c=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), c, _227838)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _248382)
   Call: (207) [system] peek_char((0x56051b6b4f40), _249316)
   Exit: (207) [system] peek_char((0x56051b6b4f40), d)
^  Call: (207) [user] is_delimiter(d)
   Call: (208) [system] char_type(d, space)
   Call: (208) [system] arg(_253108, v('(', ')', end_of_file), d)
   Call: (207) [system] ')'==d
   Call: (207) [system] get_char((0x56051b6b4f40), d)
   Exit: (207) [system] get_char((0x56051b6b4f40), d)
   Call: (207) [system] d=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _257678)
   Call: (208) [system] peek_char((0x56051b6b4f40), _258612)
   Exit: (208) [system] peek_char((0x56051b6b4f40), e)
^  Call: (208) [user] is_delimiter(e)
   Call: (209) [system] char_type(e, space)
   Call: (209) [system] arg(_262404, v('(', ')', end_of_file), e)
   Call: (208) [system] ')'==e
   Call: (208) [system] get_char((0x56051b6b4f40), e)
   Exit: (208) [system] get_char((0x56051b6b4f40), e)
   Call: (208) [system] e=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _266974)
   Call: (209) [system] peek_char((0x56051b6b4f40), _267908)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _266974=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _257678=[e]
   Exit: (208) [system] [e]=[e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (207) [system] _248382=[d, e]
   Exit: (207) [system] [d, e]=[d, e]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (206) [user] classify_and_convert_charseq(c, [d, e], _227838)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_282806, _282808), once(user:catch(read_from_chars([c, d, e], _227838), _282782, fail)), '$restore_trace'(_282806, _282808))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_282806, _282808))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _282782, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(cde)
   Exit: (207) [system] atomic(cde)
^  Exit: (206) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _290306)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _292164)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _298974)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _301678)
   Exit: (207) [system] peek_char((0x56051b6b4f40), c)
   Call: (207) [system] c=(;)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _311070)
   Exit: (205) [system] peek_char((0x56051b6b4f40), c)
   Call: (205) [system] c=')'
   Call: (205) [system] c=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _314784)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _316642)
   Exit: (207) [system] peek_char((0x56051b6b4f40), c)
   Call: (207) [system] c=(;)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _325110)
   Exit: (206) [system] get_char((0x56051b6b4f40), c)
   Call: (206) [system] c='('
   Call: (206) [system] c='['
   Call: (206) [system] c='{'
   Call: (206) [system] c='"'
   Call: (206) [system] c=!
   Call: (206) [system] c='\''
   Call: (206) [system] c='`'
   Call: (206) [system] c=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), c, _314784)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _335328)
   Call: (208) [system] peek_char((0x56051b6b4f40), _336262)
   Exit: (208) [system] peek_char((0x56051b6b4f40), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_340054, v('(', ')', end_of_file), d)
   Call: (208) [system] ')'==d
   Call: (208) [system] get_char((0x56051b6b4f40), d)
   Exit: (208) [system] get_char((0x56051b6b4f40), d)
   Call: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _344624)
   Call: (209) [system] peek_char((0x56051b6b4f40), _345558)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_349350, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _353920)
   Call: (210) [system] peek_char((0x56051b6b4f40), _354854)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_358646, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _353920=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _344624=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (208) [system] _335328=[d, e]
   Exit: (208) [system] [d, e]=[d, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (207) [user] classify_and_convert_charseq(c, [d, e], _314784)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_370696, _370698), once(user:catch(read_from_chars([c, d, e], _314784), _370672, fail)), '$restore_trace'(_370696, _370698))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_370696, _370698))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _370672, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(cde)
   Exit: (208) [system] atomic(cde)
^  Exit: (207) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _378196)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _380054)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _388522)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _392312)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _378196=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _290306=[cde]
   Exit: (205) [system] [cde]=[cde]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (204) [system] _203360=[cde, cde]
   Exit: (204) [system] [cde, cde]=[cde, cde]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [cde, cde])
   Call: (203) [system] _4220=['ConjunctionIntroduction', cde, cde]
   Exit: (203) [system] ['ConjunctionIntroduction', cde, cde]=['ConjunctionIntroduction', cde, cde]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, cde])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, cde])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _406194)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _408052)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _414862)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _417566)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _426958)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _430672)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _432530)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _440998)
   Exit: (203) [system] get_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _430672)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _446568)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (205) [system] 'A'=(;)
^  Call: (205) [user] is_like_space('A')
   Call: (206) [system] char_type('A', 'white')
   Call: (206) [system] char_type('A', end_of_line)
   Call: (206) [system] char_type('A', space)
   Call: (206) [system] char_type('A', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _455036)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _458750)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _460608)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _469076)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'A')
   Call: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _458750)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _479294)
   Call: (207) [system] peek_char((0x56051b6b4f40), _480228)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_484020, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _488590)
   Call: (208) [system] peek_char((0x56051b6b4f40), _489524)
   Exit: (208) [system] peek_char((0x56051b6b4f40), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_493316, v('(', ')', end_of_file), d)
   Call: (208) [system] ')'==d
   Call: (208) [system] get_char((0x56051b6b4f40), d)
   Exit: (208) [system] get_char((0x56051b6b4f40), d)
   Call: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _497886)
   Call: (209) [system] peek_char((0x56051b6b4f40), _498820)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_502612, v('(', ')', end_of_file), 'L')
   Call: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (209) [system] get_char((0x56051b6b4f40), 'L')
   Call: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _507182)
   Call: (210) [system] peek_char((0x56051b6b4f40), _508116)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_511908, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _516478)
   Call: (211) [system] peek_char((0x56051b6b4f40), _517412)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_521204, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _525774)
   Call: (212) [system] peek_char((0x56051b6b4f40), _526708)
   Exit: (212) [system] peek_char((0x56051b6b4f40), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_530500, v('(', ')', end_of_file), k)
   Call: (212) [system] ')'==k
   Call: (212) [system] get_char((0x56051b6b4f40), k)
   Exit: (212) [system] get_char((0x56051b6b4f40), k)
   Call: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _535070)
   Call: (213) [system] peek_char((0x56051b6b4f40), _536004)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _535070=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _525774=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (211) [system] _516478=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (210) [system] _507182=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (209) [system] _497886=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (208) [system] _488590=[d, 'L', i, n, k]
   Exit: (208) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (207) [system] _479294=[n, d, 'L', i, n, k]
   Exit: (207) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (206) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _458750)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_562078, _562080), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _458750), _562054, fail)), '$restore_trace'(_562078, _562080))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_562078, _562080))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _458750), _562054, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_458750)
   Call: (207) [system] atom_chars(_458750, ['A', n, d, 'L', i, n, k])
   Exit: (207) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (206) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _570530)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _572388)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _579198)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _581902)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _591294)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _595008)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _596866)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _605334)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _595008)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _610904)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'=(;)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _619372)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _623086)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _624944)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _633412)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _623086)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _643630)
   Call: (210) [system] peek_char((0x56051b6b4f40), _644564)
   Exit: (210) [system] peek_char((0x56051b6b4f40), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_648356, v('(', ')', end_of_file), m)
   Call: (210) [system] ')'==m
   Call: (210) [system] get_char((0x56051b6b4f40), m)
   Exit: (210) [system] get_char((0x56051b6b4f40), m)
   Call: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _652926)
   Call: (211) [system] peek_char((0x56051b6b4f40), _653860)
   Exit: (211) [system] peek_char((0x56051b6b4f40), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_657652, v('(', ')', end_of_file), p)
   Call: (211) [system] ')'==p
   Call: (211) [system] get_char((0x56051b6b4f40), p)
   Exit: (211) [system] get_char((0x56051b6b4f40), p)
   Call: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _662222)
   Call: (212) [system] peek_char((0x56051b6b4f40), _663156)
   Exit: (212) [system] peek_char((0x56051b6b4f40), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_666948, v('(', ')', end_of_file), l)
   Call: (212) [system] ')'==l
   Call: (212) [system] get_char((0x56051b6b4f40), l)
   Exit: (212) [system] get_char((0x56051b6b4f40), l)
   Call: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _671518)
   Call: (213) [system] peek_char((0x56051b6b4f40), _672452)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_676244, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _680814)
   Call: (214) [system] peek_char((0x56051b6b4f40), _681748)
   Exit: (214) [system] peek_char((0x56051b6b4f40), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_685540, v('(', ')', end_of_file), c)
   Call: (214) [system] ')'==c
   Call: (214) [system] get_char((0x56051b6b4f40), c)
   Exit: (214) [system] get_char((0x56051b6b4f40), c)
   Call: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _690110)
   Call: (215) [system] peek_char((0x56051b6b4f40), _691044)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_694836, v('(', ')', end_of_file), a)
   Call: (215) [system] ')'==a
   Call: (215) [system] get_char((0x56051b6b4f40), a)
   Exit: (215) [system] get_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _699406)
   Call: (216) [system] peek_char((0x56051b6b4f40), _700340)
   Exit: (216) [system] peek_char((0x56051b6b4f40), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_704132, v('(', ')', end_of_file), t)
   Call: (216) [system] ')'==t
   Call: (216) [system] get_char((0x56051b6b4f40), t)
   Exit: (216) [system] get_char((0x56051b6b4f40), t)
   Call: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _708702)
   Call: (217) [system] peek_char((0x56051b6b4f40), _709636)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_713428, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _717998)
   Call: (218) [system] peek_char((0x56051b6b4f40), _718932)
   Exit: (218) [system] peek_char((0x56051b6b4f40), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_722724, v('(', ')', end_of_file), o)
   Call: (218) [system] ')'==o
   Call: (218) [system] get_char((0x56051b6b4f40), o)
   Exit: (218) [system] get_char((0x56051b6b4f40), o)
   Call: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _727294)
   Call: (219) [system] peek_char((0x56051b6b4f40), _728228)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_732020, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _736590)
   Call: (220) [system] peek_char((0x56051b6b4f40), _737524)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _736590=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _727294=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (218) [system] _717998=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (217) [system] _708702=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (216) [system] _699406=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (215) [system] _690110=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (214) [system] _680814=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (213) [system] _671518=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (212) [system] _662222=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _652926=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _643630=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _623086)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_774774, _774776), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _623086), _774750, fail)), '$restore_trace'(_774774, _774776))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_774774, _774776))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _623086), _774750, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_623086)
   Call: (210) [system] atom_chars(_623086, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _783226)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _785084)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _791894)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _794598)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _803990)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _807704)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _809562)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _818030)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _807704)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _823600)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _832068)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _835782)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _837640)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _846108)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _835782)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _856326)
   Call: (213) [system] peek_char((0x56051b6b4f40), _857260)
   Exit: (213) [system] peek_char((0x56051b6b4f40), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_861052, v('(', ')', end_of_file), r)
   Call: (213) [system] ')'==r
   Call: (213) [system] get_char((0x56051b6b4f40), r)
   Exit: (213) [system] get_char((0x56051b6b4f40), r)
   Call: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _865622)
   Call: (214) [system] peek_char((0x56051b6b4f40), _866556)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_870348, v('(', ')', end_of_file), 'L')
   Call: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (214) [system] get_char((0x56051b6b4f40), 'L')
   Call: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _874918)
   Call: (215) [system] peek_char((0x56051b6b4f40), _875852)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_879644, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _884214)
   Call: (216) [system] peek_char((0x56051b6b4f40), _885148)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_888940, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _893510)
   Call: (217) [system] peek_char((0x56051b6b4f40), _894444)
   Exit: (217) [system] peek_char((0x56051b6b4f40), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_898236, v('(', ')', end_of_file), k)
   Call: (217) [system] ')'==k
   Call: (217) [system] get_char((0x56051b6b4f40), k)
   Exit: (217) [system] get_char((0x56051b6b4f40), k)
   Call: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _902806)
   Call: (218) [system] peek_char((0x56051b6b4f40), _903740)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _902806=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (217) [system] _893510=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (216) [system] _884214=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (215) [system] _874918=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (214) [system] _865622=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (213) [system] _856326=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _835782)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_927020, _927022), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _835782), _926996, fail)), '$restore_trace'(_927020, _927022))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_927020, _927022))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _835782), _926996, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_835782)
   Call: (213) [system] atom_chars(_835782, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _935472)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _937330)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _944140)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _946844)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _956236)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _959950)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _961808)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _970276)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _959950)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _980494)
   Call: (214) [system] peek_char((0x56051b6b4f40), _981428)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _980494=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq('C', [], _959950)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_990738, _990740), once(user:catch(read_from_chars(['C'], _959950), _990714, fail)), '$restore_trace'(_990738, _990740))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_990738, _990740))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _959950), _990714, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_959950)
   Call: (214) [system] atom_chars(_959950, ['C'])
   Exit: (214) [system] atom_chars('C', ['C'])
^  Exit: (213) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _999190)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1001048)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1007858)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1010562)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1019954)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1023668)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1025526)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1033994)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1023668)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1044212)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1045146)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1048938, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1044212=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('D', [], _1023668)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1055400, _1055402), once(user:catch(read_from_chars(['D'], _1023668), _1055376, fail)), '$restore_trace'(_1055400, _1055402))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1055400, _1055402))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1023668), _1055376, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1023668)
   Call: (215) [system] atom_chars(_1023668, ['D'])
   Exit: (215) [system] atom_chars('D', ['D'])
^  Exit: (214) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1063852)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1065710)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1074178)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _1077968)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _1063852=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _999190=['D']
   Exit: (212) [system] ['D']=['D']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (211) [system] _935472=['C', 'D']
   Exit: (211) [system] ['C', 'D']=['C', 'D']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (210) [system] _807704=['OrLink', 'C', 'D']
   Exit: (210) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1091850)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1093708)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1100518)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1103222)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (211) [system] 'E'=(;)
^  Call: (211) [user] is_like_space('E')
   Call: (212) [system] char_type('E', 'white')
   Call: (212) [system] char_type('E', end_of_line)
   Call: (212) [system] char_type('E', space)
   Call: (212) [system] char_type('E', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1112614)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (209) [system] 'E'=')'
   Call: (209) [system] 'E'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1116328)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1118186)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (211) [system] 'E'=(;)
^  Call: (211) [user] is_like_space('E')
   Call: (212) [system] char_type('E', 'white')
   Call: (212) [system] char_type('E', end_of_line)
   Call: (212) [system] char_type('E', space)
   Call: (212) [system] char_type('E', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1126654)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'E')
   Call: (210) [system] 'E'='('
   Call: (210) [system] 'E'='['
   Call: (210) [system] 'E'='{'
   Call: (210) [system] 'E'='"'
   Call: (210) [system] 'E'=!
   Call: (210) [system] 'E'='\''
   Call: (210) [system] 'E'='`'
   Call: (210) [system] 'E'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1116328)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1136872)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1137806)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1141598, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1136872=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq('E', [], _1116328)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1148060, _1148062), once(user:catch(read_from_chars(['E'], _1116328), _1148036, fail)), '$restore_trace'(_1148060, _1148062))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1148060, _1148062))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1116328), _1148036, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1116328)
   Call: (212) [system] atom_chars(_1116328, ['E'])
   Exit: (212) [system] atom_chars('E', ['E'])
^  Exit: (211) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1156512)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1158370)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1166838)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _1170628)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _1156512=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1091850=['E']
   Exit: (209) [system] ['E']=['E']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (208) [system] _783226=[['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (207) [system] _595008=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (207) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1184510)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1186368)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1193178)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1195882)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1205274)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1208988)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1210846)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1219314)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1208988)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1224884)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1233352)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1237066)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1238924)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (210) [system] 'I'=(;)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1247392)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1237066)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1257610)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1258544)
   Exit: (211) [system] peek_char((0x56051b6b4f40), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1262336, v('(', ')', end_of_file), m)
   Call: (211) [system] ')'==m
   Call: (211) [system] get_char((0x56051b6b4f40), m)
   Exit: (211) [system] get_char((0x56051b6b4f40), m)
   Call: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1266906)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1267840)
   Exit: (212) [system] peek_char((0x56051b6b4f40), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_1271632, v('(', ')', end_of_file), p)
   Call: (212) [system] ')'==p
   Call: (212) [system] get_char((0x56051b6b4f40), p)
   Exit: (212) [system] get_char((0x56051b6b4f40), p)
   Call: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1276202)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1277136)
   Exit: (213) [system] peek_char((0x56051b6b4f40), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_1280928, v('(', ')', end_of_file), l)
   Call: (213) [system] ')'==l
   Call: (213) [system] get_char((0x56051b6b4f40), l)
   Exit: (213) [system] get_char((0x56051b6b4f40), l)
   Call: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1285498)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1286432)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1290224, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1294794)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1295728)
   Exit: (215) [system] peek_char((0x56051b6b4f40), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1299520, v('(', ')', end_of_file), c)
   Call: (215) [system] ')'==c
   Call: (215) [system] get_char((0x56051b6b4f40), c)
   Exit: (215) [system] get_char((0x56051b6b4f40), c)
   Call: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1304090)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1305024)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_1308816, v('(', ')', end_of_file), a)
   Call: (216) [system] ')'==a
   Call: (216) [system] get_char((0x56051b6b4f40), a)
   Exit: (216) [system] get_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1313386)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1314320)
   Exit: (217) [system] peek_char((0x56051b6b4f40), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1318112, v('(', ')', end_of_file), t)
   Call: (217) [system] ')'==t
   Call: (217) [system] get_char((0x56051b6b4f40), t)
   Exit: (217) [system] get_char((0x56051b6b4f40), t)
   Call: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1322682)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1323616)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1327408, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1331978)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1332912)
   Exit: (219) [system] peek_char((0x56051b6b4f40), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1336704, v('(', ')', end_of_file), o)
   Call: (219) [system] ')'==o
   Call: (219) [system] get_char((0x56051b6b4f40), o)
   Exit: (219) [system] get_char((0x56051b6b4f40), o)
   Call: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1341274)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1342208)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1346000, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1350570)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1351504)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1350570=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1341274=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (219) [system] _1331978=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (218) [system] _1322682=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (217) [system] _1313386=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (216) [system] _1304090=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (215) [system] _1294794=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (214) [system] _1285498=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (213) [system] _1276202=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _1266906=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _1257610=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1237066)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1388754, _1388756), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1237066), _1388730, fail)), '$restore_trace'(_1388754, _1388756))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1388754, _1388756))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1237066), _1388730, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1237066)
   Call: (211) [system] atom_chars(_1237066, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1397206)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1399064)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1405874)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1408578)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1417970)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1421684)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1423542)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1432010)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1421684)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1437580)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1446048)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1449762)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1451620)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1460088)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1449762)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1470306)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1471240)
   Exit: (214) [system] peek_char((0x56051b6b4f40), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1475032, v('(', ')', end_of_file), r)
   Call: (214) [system] ')'==r
   Call: (214) [system] get_char((0x56051b6b4f40), r)
   Exit: (214) [system] get_char((0x56051b6b4f40), r)
   Call: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1479602)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1480536)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1484328, v('(', ')', end_of_file), 'L')
   Call: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (215) [system] get_char((0x56051b6b4f40), 'L')
   Call: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1488898)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1489832)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1493624, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1498194)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1499128)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1502920, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1507490)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1508424)
   Exit: (218) [system] peek_char((0x56051b6b4f40), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1512216, v('(', ')', end_of_file), k)
   Call: (218) [system] ')'==k
   Call: (218) [system] get_char((0x56051b6b4f40), k)
   Exit: (218) [system] get_char((0x56051b6b4f40), k)
   Call: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1516786)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1517720)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1516786=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _1507490=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (217) [system] _1498194=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (216) [system] _1488898=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (215) [system] _1479602=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (214) [system] _1470306=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1449762)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1541000, _1541002), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1449762), _1540976, fail)), '$restore_trace'(_1541000, _1541002))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1541000, _1541002))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1449762), _1540976, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1449762)
   Call: (214) [system] atom_chars(_1449762, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1549452)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1551310)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1558120)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1560824)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1570216)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1573930)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1575788)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1584256)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1573930)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1594474)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1595408)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1594474=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('C', [], _1573930)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1604718, _1604720), once(user:catch(read_from_chars(['C'], _1573930), _1604694, fail)), '$restore_trace'(_1604718, _1604720))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1604718, _1604720))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1573930), _1604694, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1573930)
   Call: (215) [system] atom_chars(_1573930, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1613170)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1615028)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1621838)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1624542)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1633934)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1637648)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1639506)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1647974)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1637648)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1658192)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1659126)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1662918, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1658192=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('D', [], _1637648)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1669380, _1669382), once(user:catch(read_from_chars(['D'], _1637648), _1669356, fail)), '$restore_trace'(_1669380, _1669382))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1669380, _1669382))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1637648), _1669356, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1637648)
   Call: (216) [system] atom_chars(_1637648, ['D'])
   Exit: (216) [system] atom_chars('D', ['D'])
^  Exit: (215) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1677832)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1679690)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1688158)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _1691948)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _1677832=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _1613170=['D']
   Exit: (213) [system] ['D']=['D']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (212) [system] _1549452=['C', 'D']
   Exit: (212) [system] ['C', 'D']=['C', 'D']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (211) [system] _1421684=['OrLink', 'C', 'D']
   Exit: (211) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1705830)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1707688)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1714498)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1717202)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (212) [system] 'E'=(;)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1726594)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (210) [system] 'E'=')'
   Call: (210) [system] 'E'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1730308)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1732166)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (212) [system] 'E'=(;)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1740634)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'E')
   Call: (211) [system] 'E'='('
   Call: (211) [system] 'E'='['
   Call: (211) [system] 'E'='{'
   Call: (211) [system] 'E'='"'
   Call: (211) [system] 'E'=!
   Call: (211) [system] 'E'='\''
   Call: (211) [system] 'E'='`'
   Call: (211) [system] 'E'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1730308)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1750852)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1751786)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1755578, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1750852=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq('E', [], _1730308)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1762040, _1762042), once(user:catch(read_from_chars(['E'], _1730308), _1762016, fail)), '$restore_trace'(_1762040, _1762042))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1762040, _1762042))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1730308), _1762016, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1730308)
   Call: (213) [system] atom_chars(_1730308, ['E'])
   Exit: (213) [system] atom_chars('E', ['E'])
^  Exit: (212) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1770492)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1772350)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1780818)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _1784608)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _1770492=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1705830=['E']
   Exit: (210) [system] ['E']=['E']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (209) [system] _1397206=[['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (208) [system] _1208988=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1798490)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1800348)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1808816)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x56051b6b4f40), _1812606)
   Exit: (207) [system] get_char((0x56051b6b4f40), ')')
   Call: (207) [system] _1798490=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1184510=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (206) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (205) [system] _570530=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (205) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (204) [system] _430672=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (204) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1826488)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1828346)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1836814)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _1840604)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _1826488=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _406194=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (202) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (201) [system] _4216=[['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (201) [system] [['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (200) [system] _4208=[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (200) [system] [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1854486)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1856344)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (200) [system] '\n'=(;)
^  Call: (200) [user] is_like_space('\n')
   Call: (201) [system] char_type('\n', 'white')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
^  Exit: (200) [user] is_like_space('\n')
   Call: (200) [system] get_char((0x56051b6b4f40), _1863960)
   Exit: (200) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1866664)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (201) [system] '\t'=(;)
^  Call: (201) [user] is_like_space('\t')
   Call: (202) [system] char_type('\t', 'white')
   Exit: (202) [system] char_type('\t', 'white')
^  Exit: (201) [user] is_like_space('\t')
   Call: (201) [system] get_char((0x56051b6b4f40), _1873474)
   Exit: (201) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1876178)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (202) [system] '\t'=(;)
^  Call: (202) [user] is_like_space('\t')
   Call: (203) [system] char_type('\t', 'white')
   Exit: (203) [system] char_type('\t', 'white')
^  Exit: (202) [user] is_like_space('\t')
   Call: (202) [system] get_char((0x56051b6b4f40), _1882988)
   Exit: (202) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1885692)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1892502)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1895206)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1907370)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1911084)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1912942)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1921410)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1911084)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1926980)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1935448)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1939162)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1941020)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1949488)
   Exit: (202) [system] get_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), :, _1939162)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959706)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1960640)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1959706=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (203) [user] classify_and_convert_charseq(:, [], _1939162)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1969950, _1969952), once(user:catch(read_from_chars([:], _1939162), _1969926, fail)), '$restore_trace'(_1969950, _1969952))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1969950, _1969952))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1969926, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1977450)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1979308)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1986118)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1988822)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1998214)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _2001928)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _2003786)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _2012254)
   Exit: (203) [system] get_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _2001928)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _2017824)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (205) [system] 'C'=(;)
^  Call: (205) [user] is_like_space('C')
   Call: (206) [system] char_type('C', 'white')
   Call: (206) [system] char_type('C', end_of_line)
   Call: (206) [system] char_type('C', space)
   Call: (206) [system] char_type('C', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _2026292)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _2030006)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _2031864)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _2040332)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'C')
   Call: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2030006)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2050550)
   Call: (207) [system] peek_char((0x56051b6b4f40), _2051484)
   Exit: (207) [system] peek_char((0x56051b6b4f40), o)
^  Call: (207) [user] is_delimiter(o)
   Call: (208) [system] char_type(o, space)
   Call: (208) [system] arg(_2055276, v('(', ')', end_of_file), o)
   Call: (207) [system] ')'==o
   Call: (207) [system] get_char((0x56051b6b4f40), o)
   Exit: (207) [system] get_char((0x56051b6b4f40), o)
   Call: (207) [system] o=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2059846)
   Call: (208) [system] peek_char((0x56051b6b4f40), _2060780)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_2064572, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2069142)
   Call: (209) [system] peek_char((0x56051b6b4f40), _2070076)
   Exit: (209) [system] peek_char((0x56051b6b4f40), j)
^  Call: (209) [user] is_delimiter(j)
   Call: (210) [system] char_type(j, space)
   Call: (210) [system] arg(_2073868, v('(', ')', end_of_file), j)
   Call: (209) [system] ')'==j
   Call: (209) [system] get_char((0x56051b6b4f40), j)
   Exit: (209) [system] get_char((0x56051b6b4f40), j)
   Call: (209) [system] j=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2078438)
   Call: (210) [system] peek_char((0x56051b6b4f40), _2079372)
   Exit: (210) [system] peek_char((0x56051b6b4f40), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_2083164, v('(', ')', end_of_file), u)
   Call: (210) [system] ')'==u
   Call: (210) [system] get_char((0x56051b6b4f40), u)
   Exit: (210) [system] get_char((0x56051b6b4f40), u)
   Call: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2087734)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2088668)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_2092460, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _4734)
   Call: (212) [system] peek_char((0x56051b6b4f40), _5668)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_9460, v('(', ')', end_of_file), c)
   Call: (212) [system] ')'==c
   Call: (212) [system] get_char((0x56051b6b4f40), c)
   Exit: (212) [system] get_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _14030)
   Call: (213) [system] peek_char((0x56051b6b4f40), _14964)
   Exit: (213) [system] peek_char((0x56051b6b4f40), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_18756, v('(', ')', end_of_file), t)
   Call: (213) [system] ')'==t
   Call: (213) [system] get_char((0x56051b6b4f40), t)
   Exit: (213) [system] get_char((0x56051b6b4f40), t)
   Call: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _23326)
   Call: (214) [system] peek_char((0x56051b6b4f40), _24260)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_28052, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _32622)
   Call: (215) [system] peek_char((0x56051b6b4f40), _33556)
   Exit: (215) [system] peek_char((0x56051b6b4f40), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_37348, v('(', ')', end_of_file), o)
   Call: (215) [system] ')'==o
   Call: (215) [system] get_char((0x56051b6b4f40), o)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _41918)
   Call: (216) [system] peek_char((0x56051b6b4f40), _42852)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_46644, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _51214)
   Call: (217) [system] peek_char((0x56051b6b4f40), _52148)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (217) [user] is_delimiter('I')
   Call: (218) [system] char_type('I', space)
   Call: (218) [system] arg(_55940, v('(', ')', end_of_file), 'I')
   Call: (217) [system] ')'=='I'
   Call: (217) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (217) [system] get_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _60510)
   Call: (218) [system] peek_char((0x56051b6b4f40), _61444)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_65236, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _69806)
   Call: (219) [system] peek_char((0x56051b6b4f40), _70740)
   Exit: (219) [system] peek_char((0x56051b6b4f40), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_74532, v('(', ')', end_of_file), t)
   Call: (219) [system] ')'==t
   Call: (219) [system] get_char((0x56051b6b4f40), t)
   Exit: (219) [system] get_char((0x56051b6b4f40), t)
   Call: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _79102)
   Call: (220) [system] peek_char((0x56051b6b4f40), _80036)
   Exit: (220) [system] peek_char((0x56051b6b4f40), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_83828, v('(', ')', end_of_file), r)
   Call: (220) [system] ')'==r
   Call: (220) [system] get_char((0x56051b6b4f40), r)
   Exit: (220) [system] get_char((0x56051b6b4f40), r)
   Call: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _88398)
   Call: (221) [system] peek_char((0x56051b6b4f40), _89332)
   Exit: (221) [system] peek_char((0x56051b6b4f40), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_93124, v('(', ')', end_of_file), o)
   Call: (221) [system] ')'==o
   Call: (221) [system] get_char((0x56051b6b4f40), o)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _97694)
   Call: (222) [system] peek_char((0x56051b6b4f40), _98628)
   Exit: (222) [system] peek_char((0x56051b6b4f40), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_102420, v('(', ')', end_of_file), d)
   Call: (222) [system] ')'==d
   Call: (222) [system] get_char((0x56051b6b4f40), d)
   Exit: (222) [system] get_char((0x56051b6b4f40), d)
   Call: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _106990)
   Call: (223) [system] peek_char((0x56051b6b4f40), _107924)
   Exit: (223) [system] peek_char((0x56051b6b4f40), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_111716, v('(', ')', end_of_file), u)
   Call: (223) [system] ')'==u
   Call: (223) [system] get_char((0x56051b6b4f40), u)
   Exit: (223) [system] get_char((0x56051b6b4f40), u)
   Call: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _116286)
   Call: (224) [system] peek_char((0x56051b6b4f40), _117220)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_121012, v('(', ')', end_of_file), c)
   Call: (224) [system] ')'==c
   Call: (224) [system] get_char((0x56051b6b4f40), c)
   Exit: (224) [system] get_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _125582)
   Call: (225) [system] peek_char((0x56051b6b4f40), _126516)
   Exit: (225) [system] peek_char((0x56051b6b4f40), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_130308, v('(', ')', end_of_file), t)
   Call: (225) [system] ')'==t
   Call: (225) [system] get_char((0x56051b6b4f40), t)
   Exit: (225) [system] get_char((0x56051b6b4f40), t)
   Call: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _134878)
   Call: (226) [system] peek_char((0x56051b6b4f40), _135812)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_139604, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _144174)
   Call: (227) [system] peek_char((0x56051b6b4f40), _145108)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_148900, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _153470)
   Call: (228) [system] peek_char((0x56051b6b4f40), _154404)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_158196, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _162766)
   Call: (229) [system] peek_char((0x56051b6b4f40), _163700)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _162766=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _153470=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (227) [system] _144174=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (226) [system] _134878=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (225) [system] _125582=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (224) [system] _116286=[c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (223) [system] _106990=[u, c, t, i, o, n]
   Exit: (223) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (222) [system] _97694=[d, u, c, t, i, o, n]
   Exit: (222) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (221) [system] _88398=[o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (220) [system] _79102=[r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _69806=[t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _60510=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _51214=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _41918=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _32622=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _23326=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _14030=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4734=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4378=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4374=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _4370=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _4366=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _4362=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4358)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_234478, _234480), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4358), _234454, fail)), '$restore_trace'(_234478, _234480))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_234478, _234480))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4358), _234454, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_4358)
   Call: (207) [system] atom_chars(_4358, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (207) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _242930)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _244788)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _251598)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _254302)
   Exit: (207) [system] peek_char((0x56051b6b4f40), c)
   Call: (207) [system] c=(;)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _263694)
   Exit: (205) [system] peek_char((0x56051b6b4f40), c)
   Call: (205) [system] c=')'
   Call: (205) [system] c=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _267408)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _269266)
   Exit: (207) [system] peek_char((0x56051b6b4f40), c)
   Call: (207) [system] c=(;)
^  Call: (207) [user] is_like_space(c)
   Call: (208) [system] char_type(c, 'white')
   Call: (208) [system] char_type(c, end_of_line)
   Call: (208) [system] char_type(c, space)
   Call: (208) [system] char_type(c, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _277734)
   Exit: (206) [system] get_char((0x56051b6b4f40), c)
   Call: (206) [system] c='('
   Call: (206) [system] c='['
   Call: (206) [system] c='{'
   Call: (206) [system] c='"'
   Call: (206) [system] c=!
   Call: (206) [system] c='\''
   Call: (206) [system] c='`'
   Call: (206) [system] c=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), c, _267408)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _287952)
   Call: (208) [system] peek_char((0x56051b6b4f40), _288886)
   Exit: (208) [system] peek_char((0x56051b6b4f40), d)
^  Call: (208) [user] is_delimiter(d)
   Call: (209) [system] char_type(d, space)
   Call: (209) [system] arg(_292678, v('(', ')', end_of_file), d)
   Call: (208) [system] ')'==d
   Call: (208) [system] get_char((0x56051b6b4f40), d)
   Exit: (208) [system] get_char((0x56051b6b4f40), d)
   Call: (208) [system] d=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _297248)
   Call: (209) [system] peek_char((0x56051b6b4f40), _298182)
   Exit: (209) [system] peek_char((0x56051b6b4f40), e)
^  Call: (209) [user] is_delimiter(e)
   Call: (210) [system] char_type(e, space)
   Call: (210) [system] arg(_301974, v('(', ')', end_of_file), e)
   Call: (209) [system] ')'==e
   Call: (209) [system] get_char((0x56051b6b4f40), e)
   Exit: (209) [system] get_char((0x56051b6b4f40), e)
   Call: (209) [system] e=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _306544)
   Call: (210) [system] peek_char((0x56051b6b4f40), _307478)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _306544=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _297248=[e]
   Exit: (209) [system] [e]=[e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (208) [system] _287952=[d, e]
   Exit: (208) [system] [d, e]=[d, e]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (207) [user] classify_and_convert_charseq(c, [d, e], _267408)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_322376, _322378), once(user:catch(read_from_chars([c, d, e], _267408), _322352, fail)), '$restore_trace'(_322376, _322378))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_322376, _322378))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _322352, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(cde)
   Exit: (208) [system] atomic(cde)
^  Exit: (207) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _329876)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _331734)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _338544)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _341248)
   Exit: (208) [system] peek_char((0x56051b6b4f40), a)
   Call: (208) [system] a=(;)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _350640)
   Exit: (206) [system] peek_char((0x56051b6b4f40), a)
   Call: (206) [system] a=')'
   Call: (206) [system] a=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _354354)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _356212)
   Exit: (208) [system] peek_char((0x56051b6b4f40), a)
   Call: (208) [system] a=(;)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _364680)
   Exit: (207) [system] get_char((0x56051b6b4f40), a)
   Call: (207) [system] a='('
   Call: (207) [system] a='['
   Call: (207) [system] a='{'
   Call: (207) [system] a='"'
   Call: (207) [system] a=!
   Call: (207) [system] a='\''
   Call: (207) [system] a='`'
   Call: (207) [system] a=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), a, _354354)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _374898)
   Call: (209) [system] peek_char((0x56051b6b4f40), _375832)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_379624, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _374898=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (208) [user] classify_and_convert_charseq(a, [], _354354)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_386086, _386088), once(user:catch(read_from_chars([a], _354354), _386062, fail)), '$restore_trace'(_386086, _386088))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_386086, _386088))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _386062, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(a)
   Exit: (209) [system] atomic(a)
^  Exit: (208) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _393586)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _395444)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _403912)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x56051b6b4f40), _407702)
   Exit: (207) [system] get_char((0x56051b6b4f40), ')')
   Call: (207) [system] _393586=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (206) [system] _329876=[a]
   Exit: (206) [system] [a]=[a]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (205) [system] _242930=[cde, a]
   Exit: (205) [system] [cde, a]=[cde, a]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [cde, a])
   Call: (204) [system] _4352=['ConjunctionIntroduction', cde, a]
   Exit: (204) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, a])
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, a])
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _421584)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _423442)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _430252)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _432956)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _442348)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _446062)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _447920)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _456388)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _446062)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _461958)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _470426)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _474140)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _475998)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _484466)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _474140)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _494684)
   Call: (208) [system] peek_char((0x56051b6b4f40), _495618)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_499410, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _503980)
   Call: (209) [system] peek_char((0x56051b6b4f40), _504914)
   Exit: (209) [system] peek_char((0x56051b6b4f40), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_508706, v('(', ')', end_of_file), d)
   Call: (209) [system] ')'==d
   Call: (209) [system] get_char((0x56051b6b4f40), d)
   Exit: (209) [system] get_char((0x56051b6b4f40), d)
   Call: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _513276)
   Call: (210) [system] peek_char((0x56051b6b4f40), _514210)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_518002, v('(', ')', end_of_file), 'L')
   Call: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (210) [system] get_char((0x56051b6b4f40), 'L')
   Call: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _522572)
   Call: (211) [system] peek_char((0x56051b6b4f40), _523506)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_527298, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _531868)
   Call: (212) [system] peek_char((0x56051b6b4f40), _532802)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_536594, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _541164)
   Call: (213) [system] peek_char((0x56051b6b4f40), _542098)
   Exit: (213) [system] peek_char((0x56051b6b4f40), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_545890, v('(', ')', end_of_file), k)
   Call: (213) [system] ')'==k
   Call: (213) [system] get_char((0x56051b6b4f40), k)
   Exit: (213) [system] get_char((0x56051b6b4f40), k)
   Call: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _550460)
   Call: (214) [system] peek_char((0x56051b6b4f40), _551394)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _550460=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _541164=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (212) [system] _531868=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (211) [system] _522572=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (210) [system] _513276=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (209) [system] _503980=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (208) [system] _494684=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _474140)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_577468, _577470), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _474140), _577444, fail)), '$restore_trace'(_577468, _577470))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_577468, _577470))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _474140), _577444, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_474140)
   Call: (208) [system] atom_chars(_474140, ['A', n, d, 'L', i, n, k])
   Exit: (208) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _585920)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _587778)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _594588)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _597292)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _606684)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _610398)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _612256)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _620724)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _610398)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _626294)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _634762)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _638476)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _640334)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (210) [system] 'I'=(;)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _648802)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _638476)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _659020)
   Call: (211) [system] peek_char((0x56051b6b4f40), _659954)
   Exit: (211) [system] peek_char((0x56051b6b4f40), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_663746, v('(', ')', end_of_file), m)
   Call: (211) [system] ')'==m
   Call: (211) [system] get_char((0x56051b6b4f40), m)
   Exit: (211) [system] get_char((0x56051b6b4f40), m)
   Call: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _668316)
   Call: (212) [system] peek_char((0x56051b6b4f40), _669250)
   Exit: (212) [system] peek_char((0x56051b6b4f40), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_673042, v('(', ')', end_of_file), p)
   Call: (212) [system] ')'==p
   Call: (212) [system] get_char((0x56051b6b4f40), p)
   Exit: (212) [system] get_char((0x56051b6b4f40), p)
   Call: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _677612)
   Call: (213) [system] peek_char((0x56051b6b4f40), _678546)
   Exit: (213) [system] peek_char((0x56051b6b4f40), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_682338, v('(', ')', end_of_file), l)
   Call: (213) [system] ')'==l
   Call: (213) [system] get_char((0x56051b6b4f40), l)
   Exit: (213) [system] get_char((0x56051b6b4f40), l)
   Call: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _686908)
   Call: (214) [system] peek_char((0x56051b6b4f40), _687842)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_691634, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _696204)
   Call: (215) [system] peek_char((0x56051b6b4f40), _697138)
   Exit: (215) [system] peek_char((0x56051b6b4f40), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_700930, v('(', ')', end_of_file), c)
   Call: (215) [system] ')'==c
   Call: (215) [system] get_char((0x56051b6b4f40), c)
   Exit: (215) [system] get_char((0x56051b6b4f40), c)
   Call: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _705500)
   Call: (216) [system] peek_char((0x56051b6b4f40), _706434)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_710226, v('(', ')', end_of_file), a)
   Call: (216) [system] ')'==a
   Call: (216) [system] get_char((0x56051b6b4f40), a)
   Exit: (216) [system] get_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _714796)
   Call: (217) [system] peek_char((0x56051b6b4f40), _715730)
   Exit: (217) [system] peek_char((0x56051b6b4f40), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_719522, v('(', ')', end_of_file), t)
   Call: (217) [system] ')'==t
   Call: (217) [system] get_char((0x56051b6b4f40), t)
   Exit: (217) [system] get_char((0x56051b6b4f40), t)
   Call: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _724092)
   Call: (218) [system] peek_char((0x56051b6b4f40), _725026)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_728818, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _733388)
   Call: (219) [system] peek_char((0x56051b6b4f40), _734322)
   Exit: (219) [system] peek_char((0x56051b6b4f40), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_738114, v('(', ')', end_of_file), o)
   Call: (219) [system] ')'==o
   Call: (219) [system] get_char((0x56051b6b4f40), o)
   Exit: (219) [system] get_char((0x56051b6b4f40), o)
   Call: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _742684)
   Call: (220) [system] peek_char((0x56051b6b4f40), _743618)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_747410, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _751980)
   Call: (221) [system] peek_char((0x56051b6b4f40), _752914)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _751980=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _742684=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (219) [system] _733388=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (218) [system] _724092=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (217) [system] _714796=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (216) [system] _705500=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (215) [system] _696204=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (214) [system] _686908=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (213) [system] _677612=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _668316=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _659020=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _638476)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_790164, _790166), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _638476), _790140, fail)), '$restore_trace'(_790164, _790166))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_790164, _790166))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _638476), _790140, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_638476)
   Call: (211) [system] atom_chars(_638476, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _798616)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _800474)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _807284)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _809988)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _819380)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _823094)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _824952)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _833420)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _823094)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _838990)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _847458)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _851172)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _853030)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _861498)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _851172)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _871716)
   Call: (214) [system] peek_char((0x56051b6b4f40), _872650)
   Exit: (214) [system] peek_char((0x56051b6b4f40), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_876442, v('(', ')', end_of_file), r)
   Call: (214) [system] ')'==r
   Call: (214) [system] get_char((0x56051b6b4f40), r)
   Exit: (214) [system] get_char((0x56051b6b4f40), r)
   Call: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _881012)
   Call: (215) [system] peek_char((0x56051b6b4f40), _881946)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_885738, v('(', ')', end_of_file), 'L')
   Call: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (215) [system] get_char((0x56051b6b4f40), 'L')
   Call: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _890308)
   Call: (216) [system] peek_char((0x56051b6b4f40), _891242)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_895034, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _899604)
   Call: (217) [system] peek_char((0x56051b6b4f40), _900538)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_904330, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _908900)
   Call: (218) [system] peek_char((0x56051b6b4f40), _909834)
   Exit: (218) [system] peek_char((0x56051b6b4f40), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_913626, v('(', ')', end_of_file), k)
   Call: (218) [system] ')'==k
   Call: (218) [system] get_char((0x56051b6b4f40), k)
   Exit: (218) [system] get_char((0x56051b6b4f40), k)
   Call: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _918196)
   Call: (219) [system] peek_char((0x56051b6b4f40), _919130)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _918196=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _908900=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (217) [system] _899604=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (216) [system] _890308=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (215) [system] _881012=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (214) [system] _871716=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _851172)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_942410, _942412), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _851172), _942386, fail)), '$restore_trace'(_942410, _942412))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_942410, _942412))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _851172), _942386, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_851172)
   Call: (214) [system] atom_chars(_851172, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _950862)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _952720)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _959530)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _962234)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _971626)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _975340)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _977198)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _985666)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _975340)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _995884)
   Call: (215) [system] peek_char((0x56051b6b4f40), _996818)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _995884=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('C', [], _975340)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1006128, _1006130), once(user:catch(read_from_chars(['C'], _975340), _1006104, fail)), '$restore_trace'(_1006128, _1006130))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1006128, _1006130))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _975340), _1006104, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_975340)
   Call: (215) [system] atom_chars(_975340, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1014580)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1016438)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1023248)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1025952)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1035344)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1039058)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1040916)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1049384)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1039058)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1059602)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1060536)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1064328, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1059602=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('D', [], _1039058)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1070790, _1070792), once(user:catch(read_from_chars(['D'], _1039058), _1070766, fail)), '$restore_trace'(_1070790, _1070792))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1070790, _1070792))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1039058), _1070766, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1039058)
   Call: (216) [system] atom_chars(_1039058, ['D'])
   Exit: (216) [system] atom_chars('D', ['D'])
^  Exit: (215) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1079242)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1081100)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1089568)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _1093358)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _1079242=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _1014580=['D']
   Exit: (213) [system] ['D']=['D']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (212) [system] _950862=['C', 'D']
   Exit: (212) [system] ['C', 'D']=['C', 'D']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (211) [system] _823094=['OrLink', 'C', 'D']
   Exit: (211) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1107240)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1109098)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1115908)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1118612)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (212) [system] 'E'=(;)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1128004)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (210) [system] 'E'=')'
   Call: (210) [system] 'E'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1131718)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1133576)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (212) [system] 'E'=(;)
^  Call: (212) [user] is_like_space('E')
   Call: (213) [system] char_type('E', 'white')
   Call: (213) [system] char_type('E', end_of_line)
   Call: (213) [system] char_type('E', space)
   Call: (213) [system] char_type('E', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1142044)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'E')
   Call: (211) [system] 'E'='('
   Call: (211) [system] 'E'='['
   Call: (211) [system] 'E'='{'
   Call: (211) [system] 'E'='"'
   Call: (211) [system] 'E'=!
   Call: (211) [system] 'E'='\''
   Call: (211) [system] 'E'='`'
   Call: (211) [system] 'E'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1131718)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1152262)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1153196)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1156988, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1152262=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq('E', [], _1131718)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1163450, _1163452), once(user:catch(read_from_chars(['E'], _1131718), _1163426, fail)), '$restore_trace'(_1163450, _1163452))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1163450, _1163452))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1131718), _1163426, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1131718)
   Call: (213) [system] atom_chars(_1131718, ['E'])
   Exit: (213) [system] atom_chars('E', ['E'])
^  Exit: (212) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1171902)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1173760)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1182228)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _1186018)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _1171902=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1107240=['E']
   Exit: (210) [system] ['E']=['E']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (209) [system] _798616=[['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (208) [system] _610398=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (208) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1199900)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1201758)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1208568)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1211272)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1220664)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1224378)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1226236)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1234704)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1224378)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1244922)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1245856)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1249648, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1244922=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq('A', [], _1224378)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1256110, _1256112), once(user:catch(read_from_chars(['A'], _1224378), _1256086, fail)), '$restore_trace'(_1256110, _1256112))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1256110, _1256112))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1224378), _1256086, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1224378)
   Call: (210) [system] atom_chars(_1224378, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1264562)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1266420)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1274888)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _1278678)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _1264562=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1199900=['A']
   Exit: (207) [system] ['A']=['A']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (206) [system] _585920=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (206) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (205) [system] _446062=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (205) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1292560)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1294418)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1302886)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _1306676)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _1292560=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _421584=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (203) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (202) [system] _4348=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (202) [system] [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (201) [system] _4340=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (201) [system] [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1320558)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1322416)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (201) [system] '\n'=(;)
^  Call: (201) [user] is_like_space('\n')
   Call: (202) [system] char_type('\n', 'white')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
^  Exit: (201) [user] is_like_space('\n')
   Call: (201) [system] get_char((0x56051b6b4f40), _1330032)
   Exit: (201) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1332736)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (202) [system] '\t'=(;)
^  Call: (202) [user] is_like_space('\t')
   Call: (203) [system] char_type('\t', 'white')
   Exit: (203) [system] char_type('\t', 'white')
^  Exit: (202) [user] is_like_space('\t')
   Call: (202) [system] get_char((0x56051b6b4f40), _1339546)
   Exit: (202) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1342250)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (203) [system] '\t'=(;)
^  Call: (203) [user] is_like_space('\t')
   Call: (204) [system] char_type('\t', 'white')
   Exit: (204) [system] char_type('\t', 'white')
^  Exit: (203) [user] is_like_space('\t')
   Call: (203) [system] get_char((0x56051b6b4f40), _1349060)
   Exit: (203) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1351764)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1358574)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1361278)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1373442)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1377156)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1379014)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1387482)
   Exit: (201) [system] get_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1377156)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1393052)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1401520)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1405234)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1407092)
   Exit: (204) [system] peek_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1415560)
   Exit: (203) [system] get_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), :, _1405234)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1425778)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1426712)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1425778=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (204) [user] classify_and_convert_charseq(:, [], _1405234)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1436022, _1436024), once(user:catch(read_from_chars([:], _1405234), _1435998, fail)), '$restore_trace'(_1436022, _1436024))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1436022, _1436024))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1435998, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1443522)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1445380)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1452190)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1454894)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1464286)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1468000)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1469858)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1478326)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1468000)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1483896)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1492364)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1496078)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1497936)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1506404)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1496078)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1516622)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1517556)
   Exit: (208) [system] peek_char((0x56051b6b4f40), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1521348, v('(', ')', end_of_file), o)
   Call: (208) [system] ')'==o
   Call: (208) [system] get_char((0x56051b6b4f40), o)
   Exit: (208) [system] get_char((0x56051b6b4f40), o)
   Call: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1525918)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1526852)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1530644, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1535214)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1536148)
   Exit: (210) [system] peek_char((0x56051b6b4f40), j)
^  Call: (210) [user] is_delimiter(j)
   Call: (211) [system] char_type(j, space)
   Call: (211) [system] arg(_1539940, v('(', ')', end_of_file), j)
   Call: (210) [system] ')'==j
   Call: (210) [system] get_char((0x56051b6b4f40), j)
   Exit: (210) [system] get_char((0x56051b6b4f40), j)
   Call: (210) [system] j=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1544510)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1545444)
   Exit: (211) [system] peek_char((0x56051b6b4f40), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1549236, v('(', ')', end_of_file), u)
   Call: (211) [system] ')'==u
   Call: (211) [system] get_char((0x56051b6b4f40), u)
   Exit: (211) [system] get_char((0x56051b6b4f40), u)
   Call: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1553806)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1554740)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1558532, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1563102)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1564036)
   Exit: (213) [system] peek_char((0x56051b6b4f40), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1567828, v('(', ')', end_of_file), c)
   Call: (213) [system] ')'==c
   Call: (213) [system] get_char((0x56051b6b4f40), c)
   Exit: (213) [system] get_char((0x56051b6b4f40), c)
   Call: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1572398)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1573332)
   Exit: (214) [system] peek_char((0x56051b6b4f40), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1577124, v('(', ')', end_of_file), t)
   Call: (214) [system] ')'==t
   Call: (214) [system] get_char((0x56051b6b4f40), t)
   Exit: (214) [system] get_char((0x56051b6b4f40), t)
   Call: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1581694)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1582628)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1586420, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1590990)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1591924)
   Exit: (216) [system] peek_char((0x56051b6b4f40), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1595716, v('(', ')', end_of_file), o)
   Call: (216) [system] ')'==o
   Call: (216) [system] get_char((0x56051b6b4f40), o)
   Exit: (216) [system] get_char((0x56051b6b4f40), o)
   Call: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1600286)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1601220)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1605012, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1609582)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1610516)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (218) [user] is_delimiter('I')
   Call: (219) [system] char_type('I', space)
   Call: (219) [system] arg(_1614308, v('(', ')', end_of_file), 'I')
   Call: (218) [system] ')'=='I'
   Call: (218) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (218) [system] get_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1618878)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1619812)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1623604, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1628174)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1629108)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1632900, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1637470)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1638404)
   Exit: (221) [system] peek_char((0x56051b6b4f40), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1642196, v('(', ')', end_of_file), r)
   Call: (221) [system] ')'==r
   Call: (221) [system] get_char((0x56051b6b4f40), r)
   Exit: (221) [system] get_char((0x56051b6b4f40), r)
   Call: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1646766)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1647700)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1651492, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1656062)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1656996)
   Exit: (223) [system] peek_char((0x56051b6b4f40), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1660788, v('(', ')', end_of_file), d)
   Call: (223) [system] ')'==d
   Call: (223) [system] get_char((0x56051b6b4f40), d)
   Exit: (223) [system] get_char((0x56051b6b4f40), d)
   Call: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1665358)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1666292)
   Exit: (224) [system] peek_char((0x56051b6b4f40), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1670084, v('(', ')', end_of_file), u)
   Call: (224) [system] ')'==u
   Call: (224) [system] get_char((0x56051b6b4f40), u)
   Exit: (224) [system] get_char((0x56051b6b4f40), u)
   Call: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1674654)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1675588)
   Exit: (225) [system] peek_char((0x56051b6b4f40), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1679380, v('(', ')', end_of_file), c)
   Call: (225) [system] ')'==c
   Call: (225) [system] get_char((0x56051b6b4f40), c)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1683950)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1684884)
   Exit: (226) [system] peek_char((0x56051b6b4f40), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1688676, v('(', ')', end_of_file), t)
   Call: (226) [system] ')'==t
   Call: (226) [system] get_char((0x56051b6b4f40), t)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1693246)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1694180)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1697972, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1702542)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1703476)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1707268, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1711838)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1712772)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1716564, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1721134)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1722068)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1721134=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1711838=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (228) [system] _1702542=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (227) [system] _1693246=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (226) [system] _1683950=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (225) [system] _1674654=[c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (224) [system] _1665358=[u, c, t, i, o, n]
   Exit: (224) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (223) [system] _1656062=[d, u, c, t, i, o, n]
   Exit: (223) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (222) [system] _1646766=[o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (221) [system] _1637470=[r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1628174=[t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1618878=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1609582=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1600286=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1590990=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1581694=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1572398=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1563102=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1553806=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1544510=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1535214=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1525918=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1516622=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1496078)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1792846, _1792848), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1496078), _1792822, fail)), '$restore_trace'(_1792846, _1792848))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1792846, _1792848))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1496078), _1792822, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1496078)
   Call: (208) [system] atom_chars(_1496078, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (208) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1801298)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1803156)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1809966)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1812670)
   Exit: (208) [system] peek_char((0x56051b6b4f40), c)
   Call: (208) [system] c=(;)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1822062)
   Exit: (206) [system] peek_char((0x56051b6b4f40), c)
   Call: (206) [system] c=')'
   Call: (206) [system] c=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1825776)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1827634)
   Exit: (208) [system] peek_char((0x56051b6b4f40), c)
   Call: (208) [system] c=(;)
^  Call: (208) [user] is_like_space(c)
   Call: (209) [system] char_type(c, 'white')
   Call: (209) [system] char_type(c, end_of_line)
   Call: (209) [system] char_type(c, space)
   Call: (209) [system] char_type(c, cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1836102)
   Exit: (207) [system] get_char((0x56051b6b4f40), c)
   Call: (207) [system] c='('
   Call: (207) [system] c='['
   Call: (207) [system] c='{'
   Call: (207) [system] c='"'
   Call: (207) [system] c=!
   Call: (207) [system] c='\''
   Call: (207) [system] c='`'
   Call: (207) [system] c=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), c, _1825776)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1846320)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1847254)
   Exit: (209) [system] peek_char((0x56051b6b4f40), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1851046, v('(', ')', end_of_file), d)
   Call: (209) [system] ')'==d
   Call: (209) [system] get_char((0x56051b6b4f40), d)
   Exit: (209) [system] get_char((0x56051b6b4f40), d)
   Call: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1855616)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1856550)
   Exit: (210) [system] peek_char((0x56051b6b4f40), e)
^  Call: (210) [user] is_delimiter(e)
   Call: (211) [system] char_type(e, space)
   Call: (211) [system] arg(_1860342, v('(', ')', end_of_file), e)
   Call: (210) [system] ')'==e
   Call: (210) [system] get_char((0x56051b6b4f40), e)
   Exit: (210) [system] get_char((0x56051b6b4f40), e)
   Call: (210) [system] e=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1864912)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1865846)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1864912=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1855616=[e]
   Exit: (210) [system] [e]=[e]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (209) [system] _1846320=[d, e]
   Exit: (209) [system] [d, e]=[d, e]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (208) [user] classify_and_convert_charseq(c, [d, e], _1825776)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1880744, _1880746), once(user:catch(read_from_chars([c, d, e], _1825776), _1880720, fail)), '$restore_trace'(_1880744, _1880746))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1880744, _1880746))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1880720, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(cde)
   Exit: (209) [system] atomic(cde)
^  Exit: (208) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1888244)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1890102)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1896912)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1899616)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1909008)
   Exit: (207) [system] peek_char((0x56051b6b4f40), a)
   Call: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1912722)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1914580)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1923048)
   Exit: (208) [system] get_char((0x56051b6b4f40), a)
   Call: (208) [system] a='('
   Call: (208) [system] a='['
   Call: (208) [system] a='{'
   Call: (208) [system] a='"'
   Call: (208) [system] a=!
   Call: (208) [system] a='\''
   Call: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), a, _1912722)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1933266)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1934200)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1937992, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1933266=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq(a, [], _1912722)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1944454, _1944456), once(user:catch(read_from_chars([a], _1912722), _1944430, fail)), '$restore_trace'(_1944454, _1944456))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1944454, _1944456))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1944430, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(a)
   Exit: (210) [system] atomic(a)
^  Exit: (209) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1951954)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1953812)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1962280)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _1966070)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _1951954=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1888244=[a]
   Exit: (207) [system] [a]=[a]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (206) [system] _1801298=[cde, a]
   Exit: (206) [system] [cde, a]=[cde, a]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [cde, a])
   Call: (205) [system] _1468000=['ConjunctionIntroduction', cde, a]
   Exit: (205) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, a])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, a])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1979952)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1981810)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1988620)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1991324)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _2000716)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _2004430)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _2006288)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _2014756)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _2004430)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _2020326)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _2028794)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _2032508)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _2034366)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _2042834)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _2032508)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2053052)
   Call: (209) [system] peek_char((0x56051b6b4f40), _2053986)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_2057778, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2062348)
   Call: (210) [system] peek_char((0x56051b6b4f40), _2063282)
   Exit: (210) [system] peek_char((0x56051b6b4f40), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_2067074, v('(', ')', end_of_file), d)
   Call: (210) [system] ')'==d
   Call: (210) [system] get_char((0x56051b6b4f40), d)
   Exit: (210) [system] get_char((0x56051b6b4f40), d)
   Call: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2071644)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2072578)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_2076370, v('(', ')', end_of_file), 'L')
   Call: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'L')
   Call: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2080940)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2081874)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_2085666, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2090236)
   Call: (213) [system] peek_char((0x56051b6b4f40), _2091170)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_2094962, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _7158)
   Call: (214) [system] peek_char((0x56051b6b4f40), _8092)
   Exit: (214) [system] peek_char((0x56051b6b4f40), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_11884, v('(', ')', end_of_file), k)
   Call: (214) [system] ')'==k
   Call: (214) [system] get_char((0x56051b6b4f40), k)
   Exit: (214) [system] get_char((0x56051b6b4f40), k)
   Call: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _16454)
   Call: (215) [system] peek_char((0x56051b6b4f40), _17388)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _16454=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _7158=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (213) [system] _4498=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (212) [system] _4494=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (211) [system] _4490=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (210) [system] _4486=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (209) [system] _4482=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _4478)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_43462, _43464), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4478), _43438, fail)), '$restore_trace'(_43462, _43464))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_43462, _43464))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4478), _43438, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_4478)
   Call: (209) [system] atom_chars(_4478, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _51914)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _53772)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _60582)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _63286)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _72678)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _76392)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _78250)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _86718)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _76392)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _92288)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (210) [system] 'I'=(;)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _100756)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _104470)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _106328)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'=(;)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _114796)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'I')
   Call: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _104470)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _125014)
   Call: (212) [system] peek_char((0x56051b6b4f40), _125948)
   Exit: (212) [system] peek_char((0x56051b6b4f40), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_129740, v('(', ')', end_of_file), m)
   Call: (212) [system] ')'==m
   Call: (212) [system] get_char((0x56051b6b4f40), m)
   Exit: (212) [system] get_char((0x56051b6b4f40), m)
   Call: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _134310)
   Call: (213) [system] peek_char((0x56051b6b4f40), _135244)
   Exit: (213) [system] peek_char((0x56051b6b4f40), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_139036, v('(', ')', end_of_file), p)
   Call: (213) [system] ')'==p
   Call: (213) [system] get_char((0x56051b6b4f40), p)
   Exit: (213) [system] get_char((0x56051b6b4f40), p)
   Call: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _143606)
   Call: (214) [system] peek_char((0x56051b6b4f40), _144540)
   Exit: (214) [system] peek_char((0x56051b6b4f40), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_148332, v('(', ')', end_of_file), l)
   Call: (214) [system] ')'==l
   Call: (214) [system] get_char((0x56051b6b4f40), l)
   Exit: (214) [system] get_char((0x56051b6b4f40), l)
   Call: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _152902)
   Call: (215) [system] peek_char((0x56051b6b4f40), _153836)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_157628, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _162198)
   Call: (216) [system] peek_char((0x56051b6b4f40), _163132)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_166924, v('(', ')', end_of_file), c)
   Call: (216) [system] ')'==c
   Call: (216) [system] get_char((0x56051b6b4f40), c)
   Exit: (216) [system] get_char((0x56051b6b4f40), c)
   Call: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _171494)
   Call: (217) [system] peek_char((0x56051b6b4f40), _172428)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_176220, v('(', ')', end_of_file), a)
   Call: (217) [system] ')'==a
   Call: (217) [system] get_char((0x56051b6b4f40), a)
   Exit: (217) [system] get_char((0x56051b6b4f40), a)
   Call: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _180790)
   Call: (218) [system] peek_char((0x56051b6b4f40), _181724)
   Exit: (218) [system] peek_char((0x56051b6b4f40), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_185516, v('(', ')', end_of_file), t)
   Call: (218) [system] ')'==t
   Call: (218) [system] get_char((0x56051b6b4f40), t)
   Exit: (218) [system] get_char((0x56051b6b4f40), t)
   Call: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _190086)
   Call: (219) [system] peek_char((0x56051b6b4f40), _191020)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_194812, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _199382)
   Call: (220) [system] peek_char((0x56051b6b4f40), _200316)
   Exit: (220) [system] peek_char((0x56051b6b4f40), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_204108, v('(', ')', end_of_file), o)
   Call: (220) [system] ')'==o
   Call: (220) [system] get_char((0x56051b6b4f40), o)
   Exit: (220) [system] get_char((0x56051b6b4f40), o)
   Call: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _208678)
   Call: (221) [system] peek_char((0x56051b6b4f40), _209612)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_213404, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _217974)
   Call: (222) [system] peek_char((0x56051b6b4f40), _218908)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _217974=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _208678=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (220) [system] _199382=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (219) [system] _190086=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (218) [system] _180790=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (217) [system] _171494=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (216) [system] _162198=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (215) [system] _152902=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (214) [system] _143606=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _134310=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _125014=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _104470)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_256158, _256160), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _104470), _256134, fail)), '$restore_trace'(_256158, _256160))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_256158, _256160))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _104470), _256134, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_104470)
   Call: (212) [system] atom_chars(_104470, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _264610)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _266468)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _273278)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _275982)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _285374)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _289088)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _290946)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _299414)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _289088)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _304984)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _313452)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _317166)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _319024)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (214) [system] 'O'=(;)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _327492)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _317166)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _337710)
   Call: (215) [system] peek_char((0x56051b6b4f40), _338644)
   Exit: (215) [system] peek_char((0x56051b6b4f40), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_342436, v('(', ')', end_of_file), r)
   Call: (215) [system] ')'==r
   Call: (215) [system] get_char((0x56051b6b4f40), r)
   Exit: (215) [system] get_char((0x56051b6b4f40), r)
   Call: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _347006)
   Call: (216) [system] peek_char((0x56051b6b4f40), _347940)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_351732, v('(', ')', end_of_file), 'L')
   Call: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (216) [system] get_char((0x56051b6b4f40), 'L')
   Call: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _356302)
   Call: (217) [system] peek_char((0x56051b6b4f40), _357236)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_361028, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _365598)
   Call: (218) [system] peek_char((0x56051b6b4f40), _366532)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_370324, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _374894)
   Call: (219) [system] peek_char((0x56051b6b4f40), _375828)
   Exit: (219) [system] peek_char((0x56051b6b4f40), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_379620, v('(', ')', end_of_file), k)
   Call: (219) [system] ')'==k
   Call: (219) [system] get_char((0x56051b6b4f40), k)
   Exit: (219) [system] get_char((0x56051b6b4f40), k)
   Call: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _384190)
   Call: (220) [system] peek_char((0x56051b6b4f40), _385124)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _384190=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _374894=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (218) [system] _365598=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (217) [system] _356302=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (216) [system] _347006=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (215) [system] _337710=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _317166)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_408404, _408406), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _317166), _408380, fail)), '$restore_trace'(_408404, _408406))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_408404, _408406))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _317166), _408380, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_317166)
   Call: (215) [system] atom_chars(_317166, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _416856)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _418714)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _425524)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _428228)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _437620)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _441334)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _443192)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _451660)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _441334)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _461878)
   Call: (216) [system] peek_char((0x56051b6b4f40), _462812)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _461878=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('C', [], _441334)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_472122, _472124), once(user:catch(read_from_chars(['C'], _441334), _472098, fail)), '$restore_trace'(_472122, _472124))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_472122, _472124))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _441334), _472098, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_441334)
   Call: (216) [system] atom_chars(_441334, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _480574)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _482432)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _489242)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _491946)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _501338)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _505052)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _506910)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _515378)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _505052)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _525596)
   Call: (217) [system] peek_char((0x56051b6b4f40), _526530)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_530322, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _525596=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq('D', [], _505052)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_536784, _536786), once(user:catch(read_from_chars(['D'], _505052), _536760, fail)), '$restore_trace'(_536784, _536786))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_536784, _536786))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _505052), _536760, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_505052)
   Call: (217) [system] atom_chars(_505052, ['D'])
   Exit: (217) [system] atom_chars('D', ['D'])
^  Exit: (216) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _545236)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _547094)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _555562)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _559352)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _545236=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _480574=['D']
   Exit: (214) [system] ['D']=['D']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (213) [system] _416856=['C', 'D']
   Exit: (213) [system] ['C', 'D']=['C', 'D']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (212) [system] _289088=['OrLink', 'C', 'D']
   Exit: (212) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _573234)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _575092)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _581902)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _584606)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (213) [system] 'E'=(;)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _593998)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (211) [system] 'E'=')'
   Call: (211) [system] 'E'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _597712)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _599570)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (213) [system] 'E'=(;)
^  Call: (213) [user] is_like_space('E')
   Call: (214) [system] char_type('E', 'white')
   Call: (214) [system] char_type('E', end_of_line)
   Call: (214) [system] char_type('E', space)
   Call: (214) [system] char_type('E', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _608038)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'E')
   Call: (212) [system] 'E'='('
   Call: (212) [system] 'E'='['
   Call: (212) [system] 'E'='{'
   Call: (212) [system] 'E'='"'
   Call: (212) [system] 'E'=!
   Call: (212) [system] 'E'='\''
   Call: (212) [system] 'E'='`'
   Call: (212) [system] 'E'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _597712)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _618256)
   Call: (214) [system] peek_char((0x56051b6b4f40), _619190)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_622982, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _618256=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq('E', [], _597712)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_629444, _629446), once(user:catch(read_from_chars(['E'], _597712), _629420, fail)), '$restore_trace'(_629444, _629446))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_629444, _629446))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _597712), _629420, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_597712)
   Call: (214) [system] atom_chars(_597712, ['E'])
   Exit: (214) [system] atom_chars('E', ['E'])
^  Exit: (213) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _637896)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _639754)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _648222)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _652012)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _637896=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _573234=['E']
   Exit: (211) [system] ['E']=['E']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (210) [system] _264610=[['OrLink', 'C', 'D'], 'E']
   Exit: (210) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (209) [system] _76392=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (209) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _665894)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _667752)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _674562)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _677266)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _686658)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _690372)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _692230)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _700698)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _690372)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _710916)
   Call: (211) [system] peek_char((0x56051b6b4f40), _711850)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_715642, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _710916=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('B', [], _690372)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_722104, _722106), once(user:catch(read_from_chars(['B'], _690372), _722080, fail)), '$restore_trace'(_722104, _722106))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_722104, _722106))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _690372), _722080, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_690372)
   Call: (211) [system] atom_chars(_690372, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _730556)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _732414)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _740882)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _744672)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _730556=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _665894=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (207) [system] _51914=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (207) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (206) [system] _4472=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (206) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _758554)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _760412)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _768880)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _772670)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _758554=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _4468=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (204) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (203) [system] _4444=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (203) [system] [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (202) [system] _4436=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (202) [system] [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _786552)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _788410)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (202) [system] '\n'=(;)
^  Call: (202) [user] is_like_space('\n')
   Call: (203) [system] char_type('\n', 'white')
   Call: (203) [system] char_type('\n', end_of_line)
   Exit: (203) [system] char_type('\n', end_of_line)
^  Exit: (202) [user] is_like_space('\n')
   Call: (202) [system] get_char((0x56051b6b4f40), _796026)
   Exit: (202) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _798730)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (203) [system] '\t'=(;)
^  Call: (203) [user] is_like_space('\t')
   Call: (204) [system] char_type('\t', 'white')
   Exit: (204) [system] char_type('\t', 'white')
^  Exit: (203) [user] is_like_space('\t')
   Call: (203) [system] get_char((0x56051b6b4f40), _805540)
   Exit: (203) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _808244)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (204) [system] '\t'=(;)
^  Call: (204) [user] is_like_space('\t')
   Call: (205) [system] char_type('\t', 'white')
   Exit: (205) [system] char_type('\t', 'white')
^  Exit: (204) [user] is_like_space('\t')
   Call: (204) [system] get_char((0x56051b6b4f40), _815054)
   Exit: (204) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _817758)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _824568)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _827272)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _839436)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _843150)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _845008)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _853476)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _843150)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _859046)
   Exit: (204) [system] peek_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _867514)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _871228)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _873086)
   Exit: (205) [system] peek_char((0x56051b6b4f40), :)
   Call: (205) [system] (:)=(;)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _881554)
   Exit: (204) [system] get_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), :, _871228)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _891772)
   Call: (206) [system] peek_char((0x56051b6b4f40), _892706)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _891772=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (205) [user] classify_and_convert_charseq(:, [], _871228)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_902016, _902018), once(user:catch(read_from_chars([:], _871228), _901992, fail)), '$restore_trace'(_902016, _902018))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_902016, _902018))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _901992, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _909516)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _911374)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _918184)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _920888)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _930280)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _933994)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _935852)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _944320)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _933994)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _949890)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _958358)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _962072)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _963930)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _972398)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _962072)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _982616)
   Call: (209) [system] peek_char((0x56051b6b4f40), _983550)
   Exit: (209) [system] peek_char((0x56051b6b4f40), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_987342, v('(', ')', end_of_file), o)
   Call: (209) [system] ')'==o
   Call: (209) [system] get_char((0x56051b6b4f40), o)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _991912)
   Call: (210) [system] peek_char((0x56051b6b4f40), _992846)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_996638, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1001208)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1002142)
   Exit: (211) [system] peek_char((0x56051b6b4f40), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_1005934, v('(', ')', end_of_file), j)
   Call: (211) [system] ')'==j
   Call: (211) [system] get_char((0x56051b6b4f40), j)
   Exit: (211) [system] get_char((0x56051b6b4f40), j)
   Call: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1010504)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1011438)
   Exit: (212) [system] peek_char((0x56051b6b4f40), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_1015230, v('(', ')', end_of_file), u)
   Call: (212) [system] ')'==u
   Call: (212) [system] get_char((0x56051b6b4f40), u)
   Exit: (212) [system] get_char((0x56051b6b4f40), u)
   Call: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1019800)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1020734)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1024526, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1029096)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1030030)
   Exit: (214) [system] peek_char((0x56051b6b4f40), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1033822, v('(', ')', end_of_file), c)
   Call: (214) [system] ')'==c
   Call: (214) [system] get_char((0x56051b6b4f40), c)
   Exit: (214) [system] get_char((0x56051b6b4f40), c)
   Call: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1038392)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1039326)
   Exit: (215) [system] peek_char((0x56051b6b4f40), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1043118, v('(', ')', end_of_file), t)
   Call: (215) [system] ')'==t
   Call: (215) [system] get_char((0x56051b6b4f40), t)
   Exit: (215) [system] get_char((0x56051b6b4f40), t)
   Call: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1047688)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1048622)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1052414, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1056984)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1057918)
   Exit: (217) [system] peek_char((0x56051b6b4f40), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1061710, v('(', ')', end_of_file), o)
   Call: (217) [system] ')'==o
   Call: (217) [system] get_char((0x56051b6b4f40), o)
   Exit: (217) [system] get_char((0x56051b6b4f40), o)
   Call: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1066280)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1067214)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1071006, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1075576)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1076510)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1080302, v('(', ')', end_of_file), 'I')
   Call: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1084872)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1085806)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1089598, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1094168)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1095102)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1098894, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1103464)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1104398)
   Exit: (222) [system] peek_char((0x56051b6b4f40), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1108190, v('(', ')', end_of_file), r)
   Call: (222) [system] ')'==r
   Call: (222) [system] get_char((0x56051b6b4f40), r)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1112760)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1113694)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1117486, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1122056)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1122990)
   Exit: (224) [system] peek_char((0x56051b6b4f40), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_1126782, v('(', ')', end_of_file), d)
   Call: (224) [system] ')'==d
   Call: (224) [system] get_char((0x56051b6b4f40), d)
   Exit: (224) [system] get_char((0x56051b6b4f40), d)
   Call: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1131352)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1132286)
   Exit: (225) [system] peek_char((0x56051b6b4f40), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1136078, v('(', ')', end_of_file), u)
   Call: (225) [system] ')'==u
   Call: (225) [system] get_char((0x56051b6b4f40), u)
   Exit: (225) [system] get_char((0x56051b6b4f40), u)
   Call: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1140648)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1141582)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1145374, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1149944)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1150878)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1154670, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1159240)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1160174)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1163966, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1168536)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1169470)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1173262, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1177832)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1178766)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1182558, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1187128)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1188062)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1187128=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1177832=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (229) [system] _1168536=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (228) [system] _1159240=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (227) [system] _1149944=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (226) [system] _1140648=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (225) [system] _1131352=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (224) [system] _1122056=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (223) [system] _1112760=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _1103464=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1094168=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1084872=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1075576=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1066280=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1056984=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1047688=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1038392=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1029096=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1019800=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1010504=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1001208=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _991912=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _982616=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _962072)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1258840, _1258842), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _962072), _1258816, fail)), '$restore_trace'(_1258840, _1258842))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1258840, _1258842))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _962072), _1258816, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_962072)
   Call: (209) [system] atom_chars(_962072, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1267292)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1269150)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1275960)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1278664)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1288056)
   Exit: (207) [system] peek_char((0x56051b6b4f40), a)
   Call: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1291770)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1293628)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1302096)
   Exit: (208) [system] get_char((0x56051b6b4f40), a)
   Call: (208) [system] a='('
   Call: (208) [system] a='['
   Call: (208) [system] a='{'
   Call: (208) [system] a='"'
   Call: (208) [system] a=!
   Call: (208) [system] a='\''
   Call: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), a, _1291770)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1312314)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1313248)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1312314=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq(a, [], _1291770)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1322558, _1322560), once(user:catch(read_from_chars([a], _1291770), _1322534, fail)), '$restore_trace'(_1322558, _1322560))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1322558, _1322560))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1322534, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(a)
   Exit: (210) [system] atomic(a)
^  Exit: (209) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1330058)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1331916)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1338726)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1341430)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1350822)
   Exit: (208) [system] peek_char((0x56051b6b4f40), a)
   Call: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1354536)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1356394)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1364862)
   Exit: (209) [system] get_char((0x56051b6b4f40), a)
   Call: (209) [system] a='('
   Call: (209) [system] a='['
   Call: (209) [system] a='{'
   Call: (209) [system] a='"'
   Call: (209) [system] a=!
   Call: (209) [system] a='\''
   Call: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), a, _1354536)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1375080)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1376014)
   Exit: (211) [system] peek_char((0x56051b6b4f40), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_1379806, v('(', ')', end_of_file), b)
   Call: (211) [system] ')'==b
   Call: (211) [system] get_char((0x56051b6b4f40), b)
   Exit: (211) [system] get_char((0x56051b6b4f40), b)
   Call: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1384376)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1385310)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1389102, v('(', ')', end_of_file), c)
   Call: (212) [system] ')'==c
   Call: (212) [system] get_char((0x56051b6b4f40), c)
   Exit: (212) [system] get_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1393672)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1394606)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1398398, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1393672=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _1384376=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (211) [system] _1375080=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (210) [user] classify_and_convert_charseq(a, [b, c], _1354536)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1410448, _1410450), once(user:catch(read_from_chars([a, b, c], _1354536), _1410424, fail)), '$restore_trace'(_1410448, _1410450))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1410448, _1410450))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1410424, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1417948)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1419806)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1428274)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _1432064)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _1417948=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1330058=[abc]
   Exit: (208) [system] [abc]=[abc]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (207) [system] _1267292=[a, abc]
   Exit: (207) [system] [a, abc]=[a, abc]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [a, abc])
   Call: (206) [system] _933994=['ConjunctionIntroduction', a, abc]
   Exit: (206) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, abc])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, abc])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1445946)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1447804)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _1454614)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1457318)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1466710)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1470424)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1472282)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1480750)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1470424)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1486320)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1494788)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1498502)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1500360)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1508828)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1498502)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1519046)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1519980)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1523772, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1528342)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1529276)
   Exit: (211) [system] peek_char((0x56051b6b4f40), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_1533068, v('(', ')', end_of_file), d)
   Call: (211) [system] ')'==d
   Call: (211) [system] get_char((0x56051b6b4f40), d)
   Exit: (211) [system] get_char((0x56051b6b4f40), d)
   Call: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1537638)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1538572)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1542364, v('(', ')', end_of_file), 'L')
   Call: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (212) [system] get_char((0x56051b6b4f40), 'L')
   Call: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1546934)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1547868)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1551660, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1556230)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1557164)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1560956, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1565526)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1566460)
   Exit: (215) [system] peek_char((0x56051b6b4f40), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1570252, v('(', ')', end_of_file), k)
   Call: (215) [system] ')'==k
   Call: (215) [system] get_char((0x56051b6b4f40), k)
   Exit: (215) [system] get_char((0x56051b6b4f40), k)
   Call: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1574822)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1575756)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1574822=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1565526=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (214) [system] _1556230=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (213) [system] _1546934=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (212) [system] _1537638=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (211) [system] _1528342=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (210) [system] _1519046=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1498502)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1601830, _1601832), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1498502), _1601806, fail)), '$restore_trace'(_1601830, _1601832))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1601830, _1601832))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1498502), _1601806, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1498502)
   Call: (210) [system] atom_chars(_1498502, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1610282)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1612140)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1618950)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1621654)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1631046)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1634760)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1636618)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1645086)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1634760)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1655304)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1656238)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1655304=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('A', [], _1634760)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1665548, _1665550), once(user:catch(read_from_chars(['A'], _1634760), _1665524, fail)), '$restore_trace'(_1665548, _1665550))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1665548, _1665550))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1634760), _1665524, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1634760)
   Call: (211) [system] atom_chars(_1634760, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1674000)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1675858)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1682668)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1685372)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1694764)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1698478)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1700336)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1708804)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1698478)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1714374)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1722842)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1726556)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1728414)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1736882)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1726556)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1747100)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1748034)
   Exit: (214) [system] peek_char((0x56051b6b4f40), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1751826, v('(', ')', end_of_file), m)
   Call: (214) [system] ')'==m
   Call: (214) [system] get_char((0x56051b6b4f40), m)
   Exit: (214) [system] get_char((0x56051b6b4f40), m)
   Call: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1756396)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1757330)
   Exit: (215) [system] peek_char((0x56051b6b4f40), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1761122, v('(', ')', end_of_file), p)
   Call: (215) [system] ')'==p
   Call: (215) [system] get_char((0x56051b6b4f40), p)
   Exit: (215) [system] get_char((0x56051b6b4f40), p)
   Call: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1765692)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1766626)
   Exit: (216) [system] peek_char((0x56051b6b4f40), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1770418, v('(', ')', end_of_file), l)
   Call: (216) [system] ')'==l
   Call: (216) [system] get_char((0x56051b6b4f40), l)
   Exit: (216) [system] get_char((0x56051b6b4f40), l)
   Call: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1774988)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1775922)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1779714, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1784284)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1785218)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1789010, v('(', ')', end_of_file), c)
   Call: (218) [system] ')'==c
   Call: (218) [system] get_char((0x56051b6b4f40), c)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1793580)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1794514)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1798306, v('(', ')', end_of_file), a)
   Call: (219) [system] ')'==a
   Call: (219) [system] get_char((0x56051b6b4f40), a)
   Exit: (219) [system] get_char((0x56051b6b4f40), a)
   Call: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1802876)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1803810)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1807602, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1812172)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1813106)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1816898, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1821468)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1822402)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1826194, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1830764)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1831698)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1835490, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1840060)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1840994)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1840060=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1830764=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (222) [system] _1821468=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (221) [system] _1812172=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (220) [system] _1802876=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (219) [system] _1793580=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (218) [system] _1784284=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (217) [system] _1774988=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (216) [system] _1765692=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1756396=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1747100=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1726556)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1878244, _1878246), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1726556), _1878220, fail)), '$restore_trace'(_1878244, _1878246))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1878244, _1878246))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1726556), _1878220, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1726556)
   Call: (214) [system] atom_chars(_1726556, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1886696)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1888554)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1895364)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1898068)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1907460)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1911174)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1913032)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1921500)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1911174)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1927070)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1935538)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1939252)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1941110)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1949578)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1939252)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959796)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1960730)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1964522, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1969092)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1970026)
   Exit: (218) [system] peek_char((0x56051b6b4f40), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1973818, v('(', ')', end_of_file), d)
   Call: (218) [system] ')'==d
   Call: (218) [system] get_char((0x56051b6b4f40), d)
   Exit: (218) [system] get_char((0x56051b6b4f40), d)
   Call: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1978388)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1979322)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1983114, v('(', ')', end_of_file), 'L')
   Call: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'L')
   Call: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1987684)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1988618)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1992410, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1996980)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1997914)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_2001706, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2006276)
   Call: (222) [system] peek_char((0x56051b6b4f40), _2007210)
   Exit: (222) [system] peek_char((0x56051b6b4f40), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_2011002, v('(', ')', end_of_file), k)
   Call: (222) [system] ')'==k
   Call: (222) [system] get_char((0x56051b6b4f40), k)
   Exit: (222) [system] get_char((0x56051b6b4f40), k)
   Call: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2015572)
   Call: (223) [system] peek_char((0x56051b6b4f40), _2016506)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _2015572=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _2006276=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (221) [system] _1996980=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (220) [system] _1987684=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (219) [system] _1978388=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (218) [system] _1969092=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (217) [system] _1959796=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1939252)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_2042580, _2042582), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1939252), _2042556, fail)), '$restore_trace'(_2042580, _2042582))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_2042580, _2042582))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1939252), _2042556, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1939252)
   Call: (217) [system] atom_chars(_1939252, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _2051032)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _2052890)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _2059700)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _2062404)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2071796)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _2075510)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _2077368)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _2085836)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _2075510)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2096054)
   Call: (218) [system] peek_char((0x56051b6b4f40), _4618)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _4614=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('A', [], _4610)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_13898, _13900), once(user:catch(read_from_chars(['A'], _4610), _13874, fail)), '$restore_trace'(_13898, _13900))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_13898, _13900))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _4610), _13874, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_4610)
   Call: (218) [system] atom_chars(_4610, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _22350)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _24208)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _31018)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _33722)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _43114)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _46828)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _48686)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _57154)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _46828)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _67372)
   Call: (219) [system] peek_char((0x56051b6b4f40), _68306)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_72098, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _67372=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq('B', [], _46828)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_78560, _78562), once(user:catch(read_from_chars(['B'], _46828), _78536, fail)), '$restore_trace'(_78560, _78562))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_78560, _78562))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _46828), _78536, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_46828)
   Call: (219) [system] atom_chars(_46828, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _87012)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _88870)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _97338)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _101128)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _87012=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _22350=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (215) [system] _4606=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (214) [system] _4598=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _115010)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _116868)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _123678)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _126382)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _135774)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _139488)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _141346)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _149814)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _139488)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _160032)
   Call: (216) [system] peek_char((0x56051b6b4f40), _160966)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_164758, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _160032=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('C', [], _139488)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_171220, _171222), once(user:catch(read_from_chars(['C'], _139488), _171196, fail)), '$restore_trace'(_171220, _171222))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_171220, _171222))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _139488), _171196, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_139488)
   Call: (216) [system] atom_chars(_139488, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _179672)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _181530)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _189998)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _193788)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _179672=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _115010=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (212) [system] _4594=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _4586=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _207670)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _209528)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _217996)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _221786)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _207670=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _4582=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (208) [system] _4576=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (208) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (207) [system] _4568=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (207) [system] ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _235668)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _237526)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _245994)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _249784)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _235668=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _4564=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (205) [system] [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (204) [system] _4540=[['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (204) [system] [['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (203) [system] _4532=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (203) [system] [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _263666)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _265524)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (203) [system] '\n'=(;)
^  Call: (203) [user] is_like_space('\n')
   Call: (204) [system] char_type('\n', 'white')
   Call: (204) [system] char_type('\n', end_of_line)
   Exit: (204) [system] char_type('\n', end_of_line)
^  Exit: (203) [user] is_like_space('\n')
   Call: (203) [system] get_char((0x56051b6b4f40), _273140)
   Exit: (203) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _275844)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (204) [system] '\t'=(;)
^  Call: (204) [user] is_like_space('\t')
   Call: (205) [system] char_type('\t', 'white')
   Exit: (205) [system] char_type('\t', 'white')
^  Exit: (204) [user] is_like_space('\t')
   Call: (204) [system] get_char((0x56051b6b4f40), _282654)
   Exit: (204) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _285358)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (205) [system] '\t'=(;)
^  Call: (205) [user] is_like_space('\t')
   Call: (206) [system] char_type('\t', 'white')
   Exit: (206) [system] char_type('\t', 'white')
^  Exit: (205) [user] is_like_space('\t')
   Call: (205) [system] get_char((0x56051b6b4f40), _292168)
   Exit: (205) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _294872)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _301682)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _304386)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _316550)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _320264)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _322122)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _330590)
   Exit: (203) [system] get_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _320264)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _336160)
   Exit: (205) [system] peek_char((0x56051b6b4f40), :)
   Call: (205) [system] (:)=(;)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _344628)
   Exit: (204) [system] peek_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)=')'
   Call: (204) [system] (:)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _348342)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _350200)
   Exit: (206) [system] peek_char((0x56051b6b4f40), :)
   Call: (206) [system] (:)=(;)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _358668)
   Exit: (205) [system] get_char((0x56051b6b4f40), :)
   Call: (205) [system] (:)='('
   Call: (205) [system] (:)='['
   Call: (205) [system] (:)='{'
   Call: (205) [system] (:)='"'
   Call: (205) [system] (:)=!
   Call: (205) [system] (:)='\''
   Call: (205) [system] (:)='`'
   Call: (205) [system] (:)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), :, _348342)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _368886)
   Call: (207) [system] peek_char((0x56051b6b4f40), _369820)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _368886=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (206) [user] classify_and_convert_charseq(:, [], _348342)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_379130, _379132), once(user:catch(read_from_chars([:], _348342), _379106, fail)), '$restore_trace'(_379130, _379132))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_379130, _379132))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _379106, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _386630)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _388488)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _395298)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _398002)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _407394)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _411108)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _412966)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _421434)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _411108)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _427004)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _435472)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _439186)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _441044)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _449512)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _439186)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _459730)
   Call: (210) [system] peek_char((0x56051b6b4f40), _460664)
   Exit: (210) [system] peek_char((0x56051b6b4f40), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_464456, v('(', ')', end_of_file), o)
   Call: (210) [system] ')'==o
   Call: (210) [system] get_char((0x56051b6b4f40), o)
   Exit: (210) [system] get_char((0x56051b6b4f40), o)
   Call: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _469026)
   Call: (211) [system] peek_char((0x56051b6b4f40), _469960)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_473752, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _478322)
   Call: (212) [system] peek_char((0x56051b6b4f40), _479256)
   Exit: (212) [system] peek_char((0x56051b6b4f40), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_483048, v('(', ')', end_of_file), j)
   Call: (212) [system] ')'==j
   Call: (212) [system] get_char((0x56051b6b4f40), j)
   Exit: (212) [system] get_char((0x56051b6b4f40), j)
   Call: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _487618)
   Call: (213) [system] peek_char((0x56051b6b4f40), _488552)
   Exit: (213) [system] peek_char((0x56051b6b4f40), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_492344, v('(', ')', end_of_file), u)
   Call: (213) [system] ')'==u
   Call: (213) [system] get_char((0x56051b6b4f40), u)
   Exit: (213) [system] get_char((0x56051b6b4f40), u)
   Call: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _496914)
   Call: (214) [system] peek_char((0x56051b6b4f40), _497848)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_501640, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _506210)
   Call: (215) [system] peek_char((0x56051b6b4f40), _507144)
   Exit: (215) [system] peek_char((0x56051b6b4f40), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_510936, v('(', ')', end_of_file), c)
   Call: (215) [system] ')'==c
   Call: (215) [system] get_char((0x56051b6b4f40), c)
   Exit: (215) [system] get_char((0x56051b6b4f40), c)
   Call: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _515506)
   Call: (216) [system] peek_char((0x56051b6b4f40), _516440)
   Exit: (216) [system] peek_char((0x56051b6b4f40), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_520232, v('(', ')', end_of_file), t)
   Call: (216) [system] ')'==t
   Call: (216) [system] get_char((0x56051b6b4f40), t)
   Exit: (216) [system] get_char((0x56051b6b4f40), t)
   Call: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _524802)
   Call: (217) [system] peek_char((0x56051b6b4f40), _525736)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_529528, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _534098)
   Call: (218) [system] peek_char((0x56051b6b4f40), _535032)
   Exit: (218) [system] peek_char((0x56051b6b4f40), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_538824, v('(', ')', end_of_file), o)
   Call: (218) [system] ')'==o
   Call: (218) [system] get_char((0x56051b6b4f40), o)
   Exit: (218) [system] get_char((0x56051b6b4f40), o)
   Call: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _543394)
   Call: (219) [system] peek_char((0x56051b6b4f40), _544328)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_548120, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _552690)
   Call: (220) [system] peek_char((0x56051b6b4f40), _553624)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_557416, v('(', ')', end_of_file), 'I')
   Call: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (220) [system] get_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _561986)
   Call: (221) [system] peek_char((0x56051b6b4f40), _562920)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_566712, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _571282)
   Call: (222) [system] peek_char((0x56051b6b4f40), _572216)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_576008, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _580578)
   Call: (223) [system] peek_char((0x56051b6b4f40), _581512)
   Exit: (223) [system] peek_char((0x56051b6b4f40), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_585304, v('(', ')', end_of_file), r)
   Call: (223) [system] ')'==r
   Call: (223) [system] get_char((0x56051b6b4f40), r)
   Exit: (223) [system] get_char((0x56051b6b4f40), r)
   Call: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _589874)
   Call: (224) [system] peek_char((0x56051b6b4f40), _590808)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_594600, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _599170)
   Call: (225) [system] peek_char((0x56051b6b4f40), _600104)
   Exit: (225) [system] peek_char((0x56051b6b4f40), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_603896, v('(', ')', end_of_file), d)
   Call: (225) [system] ')'==d
   Call: (225) [system] get_char((0x56051b6b4f40), d)
   Exit: (225) [system] get_char((0x56051b6b4f40), d)
   Call: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _608466)
   Call: (226) [system] peek_char((0x56051b6b4f40), _609400)
   Exit: (226) [system] peek_char((0x56051b6b4f40), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_613192, v('(', ')', end_of_file), u)
   Call: (226) [system] ')'==u
   Call: (226) [system] get_char((0x56051b6b4f40), u)
   Exit: (226) [system] get_char((0x56051b6b4f40), u)
   Call: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _617762)
   Call: (227) [system] peek_char((0x56051b6b4f40), _618696)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_622488, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _627058)
   Call: (228) [system] peek_char((0x56051b6b4f40), _627992)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_631784, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _636354)
   Call: (229) [system] peek_char((0x56051b6b4f40), _637288)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_641080, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _645650)
   Call: (230) [system] peek_char((0x56051b6b4f40), _646584)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_650376, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _654946)
   Call: (231) [system] peek_char((0x56051b6b4f40), _655880)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_659672, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _664242)
   Call: (232) [system] peek_char((0x56051b6b4f40), _665176)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _664242=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _654946=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (230) [system] _645650=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (229) [system] _636354=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (228) [system] _627058=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (227) [system] _617762=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (226) [system] _608466=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (225) [system] _599170=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (224) [system] _589874=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _580578=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _571282=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _561986=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _552690=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _543394=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _534098=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _524802=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _515506=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _506210=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _496914=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _487618=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _478322=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _469026=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _459730=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _439186)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_735954, _735956), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _439186), _735930, fail)), '$restore_trace'(_735954, _735956))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_735954, _735956))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _439186), _735930, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_439186)
   Call: (210) [system] atom_chars(_439186, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _744406)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _746264)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _753074)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _755778)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _765170)
   Exit: (208) [system] peek_char((0x56051b6b4f40), a)
   Call: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _768884)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _770742)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _779210)
   Exit: (209) [system] get_char((0x56051b6b4f40), a)
   Call: (209) [system] a='('
   Call: (209) [system] a='['
   Call: (209) [system] a='{'
   Call: (209) [system] a='"'
   Call: (209) [system] a=!
   Call: (209) [system] a='\''
   Call: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), a, _768884)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _789428)
   Call: (211) [system] peek_char((0x56051b6b4f40), _790362)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _789428=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq(a, [], _768884)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_799672, _799674), once(user:catch(read_from_chars([a], _768884), _799648, fail)), '$restore_trace'(_799672, _799674))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_799672, _799674))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _799648, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(a)
   Exit: (211) [system] atomic(a)
^  Exit: (210) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _807172)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _809030)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _815840)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _818544)
   Exit: (211) [system] peek_char((0x56051b6b4f40), c)
   Call: (211) [system] c=(;)
^  Call: (211) [user] is_like_space(c)
   Call: (212) [system] char_type(c, 'white')
   Call: (212) [system] char_type(c, end_of_line)
   Call: (212) [system] char_type(c, space)
   Call: (212) [system] char_type(c, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _827936)
   Exit: (209) [system] peek_char((0x56051b6b4f40), c)
   Call: (209) [system] c=')'
   Call: (209) [system] c=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _831650)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _833508)
   Exit: (211) [system] peek_char((0x56051b6b4f40), c)
   Call: (211) [system] c=(;)
^  Call: (211) [user] is_like_space(c)
   Call: (212) [system] char_type(c, 'white')
   Call: (212) [system] char_type(c, end_of_line)
   Call: (212) [system] char_type(c, space)
   Call: (212) [system] char_type(c, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _841976)
   Exit: (210) [system] get_char((0x56051b6b4f40), c)
   Call: (210) [system] c='('
   Call: (210) [system] c='['
   Call: (210) [system] c='{'
   Call: (210) [system] c='"'
   Call: (210) [system] c=!
   Call: (210) [system] c='\''
   Call: (210) [system] c='`'
   Call: (210) [system] c=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), c, _831650)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _852194)
   Call: (212) [system] peek_char((0x56051b6b4f40), _853128)
   Exit: (212) [system] peek_char((0x56051b6b4f40), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_856920, v('(', ')', end_of_file), d)
   Call: (212) [system] ')'==d
   Call: (212) [system] get_char((0x56051b6b4f40), d)
   Exit: (212) [system] get_char((0x56051b6b4f40), d)
   Call: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _861490)
   Call: (213) [system] peek_char((0x56051b6b4f40), _862424)
   Exit: (213) [system] peek_char((0x56051b6b4f40), e)
^  Call: (213) [user] is_delimiter(e)
   Call: (214) [system] char_type(e, space)
   Call: (214) [system] arg(_866216, v('(', ')', end_of_file), e)
   Call: (213) [system] ')'==e
   Call: (213) [system] get_char((0x56051b6b4f40), e)
   Exit: (213) [system] get_char((0x56051b6b4f40), e)
   Call: (213) [system] e=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _870786)
   Call: (214) [system] peek_char((0x56051b6b4f40), _871720)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_875512, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _870786=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _861490=[e]
   Exit: (213) [system] [e]=[e]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (212) [system] _852194=[d, e]
   Exit: (212) [system] [d, e]=[d, e]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (211) [user] classify_and_convert_charseq(c, [d, e], _831650)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_887562, _887564), once(user:catch(read_from_chars([c, d, e], _831650), _887538, fail)), '$restore_trace'(_887562, _887564))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_887562, _887564))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _887538, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(cde)
   Exit: (212) [system] atomic(cde)
^  Exit: (211) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _895062)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _896920)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _905388)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _909178)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _895062=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _807172=[cde]
   Exit: (209) [system] [cde]=[cde]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (208) [system] _744406=[a, cde]
   Exit: (208) [system] [a, cde]=[a, cde]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [a, cde])
   Call: (207) [system] _411108=['ConjunctionIntroduction', a, cde]
   Exit: (207) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, cde])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, cde])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _923060)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _924918)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _931728)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _934432)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _943824)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _947538)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _949396)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _957864)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _947538)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _963434)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _971902)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _975616)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _977474)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _985942)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _975616)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _996160)
   Call: (211) [system] peek_char((0x56051b6b4f40), _997094)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1000886, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1005456)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1006390)
   Exit: (212) [system] peek_char((0x56051b6b4f40), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_1010182, v('(', ')', end_of_file), d)
   Call: (212) [system] ')'==d
   Call: (212) [system] get_char((0x56051b6b4f40), d)
   Exit: (212) [system] get_char((0x56051b6b4f40), d)
   Call: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1014752)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1015686)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1019478, v('(', ')', end_of_file), 'L')
   Call: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (213) [system] get_char((0x56051b6b4f40), 'L')
   Call: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1024048)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1024982)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1028774, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1033344)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1034278)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1038070, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1042640)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1043574)
   Exit: (216) [system] peek_char((0x56051b6b4f40), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1047366, v('(', ')', end_of_file), k)
   Call: (216) [system] ')'==k
   Call: (216) [system] get_char((0x56051b6b4f40), k)
   Exit: (216) [system] get_char((0x56051b6b4f40), k)
   Call: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1051936)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1052870)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1051936=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1042640=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (215) [system] _1033344=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (214) [system] _1024048=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (213) [system] _1014752=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (212) [system] _1005456=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (211) [system] _996160=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _975616)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1078944, _1078946), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _975616), _1078920, fail)), '$restore_trace'(_1078944, _1078946))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1078944, _1078946))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _975616), _1078920, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_975616)
   Call: (211) [system] atom_chars(_975616, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1087396)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1089254)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1096064)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1098768)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1108160)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1111874)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1113732)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1122200)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1111874)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1132418)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1133352)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1132418=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq('A', [], _1111874)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1142662, _1142664), once(user:catch(read_from_chars(['A'], _1111874), _1142638, fail)), '$restore_trace'(_1142662, _1142664))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1142662, _1142664))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1111874), _1142638, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1111874)
   Call: (212) [system] atom_chars(_1111874, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1151114)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1152972)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1159782)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1162486)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1171878)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1175592)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1177450)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1185918)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1175592)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1191488)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1199956)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1203670)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1205528)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1213996)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1203670)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1224214)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1225148)
   Exit: (215) [system] peek_char((0x56051b6b4f40), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_1228940, v('(', ')', end_of_file), m)
   Call: (215) [system] ')'==m
   Call: (215) [system] get_char((0x56051b6b4f40), m)
   Exit: (215) [system] get_char((0x56051b6b4f40), m)
   Call: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1233510)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1234444)
   Exit: (216) [system] peek_char((0x56051b6b4f40), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_1238236, v('(', ')', end_of_file), p)
   Call: (216) [system] ')'==p
   Call: (216) [system] get_char((0x56051b6b4f40), p)
   Exit: (216) [system] get_char((0x56051b6b4f40), p)
   Call: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1242806)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1243740)
   Exit: (217) [system] peek_char((0x56051b6b4f40), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_1247532, v('(', ')', end_of_file), l)
   Call: (217) [system] ')'==l
   Call: (217) [system] get_char((0x56051b6b4f40), l)
   Exit: (217) [system] get_char((0x56051b6b4f40), l)
   Call: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1252102)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1253036)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1256828, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1261398)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1262332)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1266124, v('(', ')', end_of_file), c)
   Call: (219) [system] ')'==c
   Call: (219) [system] get_char((0x56051b6b4f40), c)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1270694)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1271628)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_1275420, v('(', ')', end_of_file), a)
   Call: (220) [system] ')'==a
   Call: (220) [system] get_char((0x56051b6b4f40), a)
   Exit: (220) [system] get_char((0x56051b6b4f40), a)
   Call: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1279990)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1280924)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1284716, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1289286)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1290220)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1294012, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1298582)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1299516)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1303308, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1307878)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1308812)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1312604, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1317174)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1318108)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1317174=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1307878=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (223) [system] _1298582=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (222) [system] _1289286=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (221) [system] _1279990=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (220) [system] _1270694=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (219) [system] _1261398=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (218) [system] _1252102=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (217) [system] _1242806=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _1233510=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _1224214=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1203670)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1355358, _1355360), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1203670), _1355334, fail)), '$restore_trace'(_1355358, _1355360))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1355358, _1355360))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1203670), _1355334, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1203670)
   Call: (215) [system] atom_chars(_1203670, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1363810)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1365668)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1372478)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1375182)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1384574)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1388288)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1390146)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1398614)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1388288)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1404184)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1412652)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1416366)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1418224)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1426692)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1416366)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1436910)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1437844)
   Exit: (218) [system] peek_char((0x56051b6b4f40), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1441636, v('(', ')', end_of_file), r)
   Call: (218) [system] ')'==r
   Call: (218) [system] get_char((0x56051b6b4f40), r)
   Exit: (218) [system] get_char((0x56051b6b4f40), r)
   Call: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1446206)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1447140)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1450932, v('(', ')', end_of_file), 'L')
   Call: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'L')
   Call: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1455502)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1456436)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1460228, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1464798)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1465732)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1469524, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1474094)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1475028)
   Exit: (222) [system] peek_char((0x56051b6b4f40), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1478820, v('(', ')', end_of_file), k)
   Call: (222) [system] ')'==k
   Call: (222) [system] get_char((0x56051b6b4f40), k)
   Exit: (222) [system] get_char((0x56051b6b4f40), k)
   Call: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1483390)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1484324)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1483390=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1474094=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (221) [system] _1464798=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (220) [system] _1455502=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (219) [system] _1446206=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (218) [system] _1436910=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1416366)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1507604, _1507606), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1416366), _1507580, fail)), '$restore_trace'(_1507604, _1507606))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1507604, _1507606))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1416366), _1507580, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1416366)
   Call: (218) [system] atom_chars(_1416366, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1516056)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1517914)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1524724)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1527428)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (218) [system] 'C'=(;)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1536820)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (216) [system] 'C'=')'
   Call: (216) [system] 'C'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1540534)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1542392)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (218) [system] 'C'=(;)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1550860)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'C')
   Call: (217) [system] 'C'='('
   Call: (217) [system] 'C'='['
   Call: (217) [system] 'C'='{'
   Call: (217) [system] 'C'='"'
   Call: (217) [system] 'C'=!
   Call: (217) [system] 'C'='\''
   Call: (217) [system] 'C'='`'
   Call: (217) [system] 'C'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1540534)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1561078)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1562012)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1561078=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq('C', [], _1540534)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1571322, _1571324), once(user:catch(read_from_chars(['C'], _1540534), _1571298, fail)), '$restore_trace'(_1571322, _1571324))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1571322, _1571324))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1540534), _1571298, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1540534)
   Call: (219) [system] atom_chars(_1540534, ['C'])
   Exit: (219) [system] atom_chars('C', ['C'])
^  Exit: (218) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1579774)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1581632)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1588442)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1591146)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1600538)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1604252)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1606110)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1614578)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1604252)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1624796)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1625730)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1629522, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1624796=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq('D', [], _1604252)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1635984, _1635986), once(user:catch(read_from_chars(['D'], _1604252), _1635960, fail)), '$restore_trace'(_1635984, _1635986))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1635984, _1635986))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1604252), _1635960, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1604252)
   Call: (220) [system] atom_chars(_1604252, ['D'])
   Exit: (220) [system] atom_chars('D', ['D'])
^  Exit: (219) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1644436)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1646294)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1654762)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _1658552)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _1644436=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _1579774=['D']
   Exit: (217) [system] ['D']=['D']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (216) [system] _1516056=['C', 'D']
   Exit: (216) [system] ['C', 'D']=['C', 'D']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (215) [system] _1388288=['OrLink', 'C', 'D']
   Exit: (215) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1672434)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1674292)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _1681102)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1683806)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (216) [system] 'E'=(;)
^  Call: (216) [user] is_like_space('E')
   Call: (217) [system] char_type('E', 'white')
   Call: (217) [system] char_type('E', end_of_line)
   Call: (217) [system] char_type('E', space)
   Call: (217) [system] char_type('E', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1693198)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (214) [system] 'E'=')'
   Call: (214) [system] 'E'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1696912)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1698770)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (216) [system] 'E'=(;)
^  Call: (216) [user] is_like_space('E')
   Call: (217) [system] char_type('E', 'white')
   Call: (217) [system] char_type('E', end_of_line)
   Call: (217) [system] char_type('E', space)
   Call: (217) [system] char_type('E', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1707238)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'E')
   Call: (215) [system] 'E'='('
   Call: (215) [system] 'E'='['
   Call: (215) [system] 'E'='{'
   Call: (215) [system] 'E'='"'
   Call: (215) [system] 'E'=!
   Call: (215) [system] 'E'='\''
   Call: (215) [system] 'E'='`'
   Call: (215) [system] 'E'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1696912)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1717456)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1718390)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1722182, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1717456=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq('E', [], _1696912)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1728644, _1728646), once(user:catch(read_from_chars(['E'], _1696912), _1728620, fail)), '$restore_trace'(_1728644, _1728646))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1728644, _1728646))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1696912), _1728620, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1696912)
   Call: (217) [system] atom_chars(_1696912, ['E'])
   Exit: (217) [system] atom_chars('E', ['E'])
^  Exit: (216) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1737096)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1738954)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1747422)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _1751212)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _1737096=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1672434=['E']
   Exit: (214) [system] ['E']=['E']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (213) [system] _1363810=[['OrLink', 'C', 'D'], 'E']
   Exit: (213) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (212) [system] _1175592=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (212) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1765094)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1766952)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1775420)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _1779210)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _1765094=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1151114=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (210) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (209) [system] _1087396=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (209) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (208) [system] _947538=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (208) [system] ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1793092)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1794950)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1803418)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x56051b6b4f40), _1807208)
   Exit: (207) [system] get_char((0x56051b6b4f40), ')')
   Call: (207) [system] _1793092=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (206) [system] _923060=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (206) [system] [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (205) [system] _386630=[['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (205) [system] [['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (204) [system] _320264=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (204) [system] [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1821090)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1822948)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (204) [system] '\n'=(;)
^  Call: (204) [user] is_like_space('\n')
   Call: (205) [system] char_type('\n', 'white')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
^  Exit: (204) [user] is_like_space('\n')
   Call: (204) [system] get_char((0x56051b6b4f40), _1830564)
   Exit: (204) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1833268)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (205) [system] '\t'=(;)
^  Call: (205) [user] is_like_space('\t')
   Call: (206) [system] char_type('\t', 'white')
   Exit: (206) [system] char_type('\t', 'white')
^  Exit: (205) [user] is_like_space('\t')
   Call: (205) [system] get_char((0x56051b6b4f40), _1840078)
   Exit: (205) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1842782)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (206) [system] '\t'=(;)
^  Call: (206) [user] is_like_space('\t')
   Call: (207) [system] char_type('\t', 'white')
   Exit: (207) [system] char_type('\t', 'white')
^  Exit: (206) [user] is_like_space('\t')
   Call: (206) [system] get_char((0x56051b6b4f40), _1849592)
   Exit: (206) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1852296)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1859106)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1861810)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1873974)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1877688)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1879546)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1888014)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1877688)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1893584)
   Exit: (206) [system] peek_char((0x56051b6b4f40), :)
   Call: (206) [system] (:)=(;)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1902052)
   Exit: (205) [system] peek_char((0x56051b6b4f40), :)
   Call: (205) [system] (:)=')'
   Call: (205) [system] (:)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1905766)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1907624)
   Exit: (207) [system] peek_char((0x56051b6b4f40), :)
   Call: (207) [system] (:)=(;)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1916092)
   Exit: (206) [system] get_char((0x56051b6b4f40), :)
   Call: (206) [system] (:)='('
   Call: (206) [system] (:)='['
   Call: (206) [system] (:)='{'
   Call: (206) [system] (:)='"'
   Call: (206) [system] (:)=!
   Call: (206) [system] (:)='\''
   Call: (206) [system] (:)='`'
   Call: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), :, _1905766)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1926310)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1927244)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1926310=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (207) [user] classify_and_convert_charseq(:, [], _1905766)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1936554, _1936556), once(user:catch(read_from_chars([:], _1905766), _1936530, fail)), '$restore_trace'(_1936554, _1936556))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1936554, _1936556))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1936530, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(:)
   Exit: (208) [system] atomic(:)
^  Exit: (207) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1944054)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1945912)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1952722)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1955426)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1964818)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1968532)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1970390)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1978858)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1968532)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1984428)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1992896)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1996610)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1998468)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _2006936)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1996610)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2017154)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2018088)
   Exit: (211) [system] peek_char((0x56051b6b4f40), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_2021880, v('(', ')', end_of_file), o)
   Call: (211) [system] ')'==o
   Call: (211) [system] get_char((0x56051b6b4f40), o)
   Exit: (211) [system] get_char((0x56051b6b4f40), o)
   Call: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2026450)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2027384)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_2031176, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2035746)
   Call: (213) [system] peek_char((0x56051b6b4f40), _2036680)
   Exit: (213) [system] peek_char((0x56051b6b4f40), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_2040472, v('(', ')', end_of_file), j)
   Call: (213) [system] ')'==j
   Call: (213) [system] get_char((0x56051b6b4f40), j)
   Exit: (213) [system] get_char((0x56051b6b4f40), j)
   Call: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2045042)
   Call: (214) [system] peek_char((0x56051b6b4f40), _2045976)
   Exit: (214) [system] peek_char((0x56051b6b4f40), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_2049768, v('(', ')', end_of_file), u)
   Call: (214) [system] ')'==u
   Call: (214) [system] get_char((0x56051b6b4f40), u)
   Exit: (214) [system] get_char((0x56051b6b4f40), u)
   Call: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2054338)
   Call: (215) [system] peek_char((0x56051b6b4f40), _2055272)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_2059064, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2063634)
   Call: (216) [system] peek_char((0x56051b6b4f40), _2064568)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_2068360, v('(', ')', end_of_file), c)
   Call: (216) [system] ')'==c
   Call: (216) [system] get_char((0x56051b6b4f40), c)
   Exit: (216) [system] get_char((0x56051b6b4f40), c)
   Call: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2072930)
   Call: (217) [system] peek_char((0x56051b6b4f40), _2073864)
   Exit: (217) [system] peek_char((0x56051b6b4f40), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_2077656, v('(', ')', end_of_file), t)
   Call: (217) [system] ')'==t
   Call: (217) [system] get_char((0x56051b6b4f40), t)
   Exit: (217) [system] get_char((0x56051b6b4f40), t)
   Call: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2082226)
   Call: (218) [system] peek_char((0x56051b6b4f40), _2083160)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_2086952, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2091522)
   Call: (219) [system] peek_char((0x56051b6b4f40), _2092456)
   Exit: (219) [system] peek_char((0x56051b6b4f40), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_4848, v('(', ')', end_of_file), o)
   Call: (219) [system] ')'==o
   Call: (219) [system] get_char((0x56051b6b4f40), o)
   Exit: (219) [system] get_char((0x56051b6b4f40), o)
   Call: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _8858)
   Call: (220) [system] peek_char((0x56051b6b4f40), _9792)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_13584, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _18154)
   Call: (221) [system] peek_char((0x56051b6b4f40), _19088)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_22880, v('(', ')', end_of_file), 'I')
   Call: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (221) [system] get_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _27450)
   Call: (222) [system] peek_char((0x56051b6b4f40), _28384)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_32176, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _36746)
   Call: (223) [system] peek_char((0x56051b6b4f40), _37680)
   Exit: (223) [system] peek_char((0x56051b6b4f40), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_41472, v('(', ')', end_of_file), t)
   Call: (223) [system] ')'==t
   Call: (223) [system] get_char((0x56051b6b4f40), t)
   Exit: (223) [system] get_char((0x56051b6b4f40), t)
   Call: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _46042)
   Call: (224) [system] peek_char((0x56051b6b4f40), _46976)
   Exit: (224) [system] peek_char((0x56051b6b4f40), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_50768, v('(', ')', end_of_file), r)
   Call: (224) [system] ')'==r
   Call: (224) [system] get_char((0x56051b6b4f40), r)
   Exit: (224) [system] get_char((0x56051b6b4f40), r)
   Call: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _55338)
   Call: (225) [system] peek_char((0x56051b6b4f40), _56272)
   Exit: (225) [system] peek_char((0x56051b6b4f40), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_60064, v('(', ')', end_of_file), o)
   Call: (225) [system] ')'==o
   Call: (225) [system] get_char((0x56051b6b4f40), o)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _64634)
   Call: (226) [system] peek_char((0x56051b6b4f40), _65568)
   Exit: (226) [system] peek_char((0x56051b6b4f40), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_69360, v('(', ')', end_of_file), d)
   Call: (226) [system] ')'==d
   Call: (226) [system] get_char((0x56051b6b4f40), d)
   Exit: (226) [system] get_char((0x56051b6b4f40), d)
   Call: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _73930)
   Call: (227) [system] peek_char((0x56051b6b4f40), _74864)
   Exit: (227) [system] peek_char((0x56051b6b4f40), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_78656, v('(', ')', end_of_file), u)
   Call: (227) [system] ')'==u
   Call: (227) [system] get_char((0x56051b6b4f40), u)
   Exit: (227) [system] get_char((0x56051b6b4f40), u)
   Call: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _83226)
   Call: (228) [system] peek_char((0x56051b6b4f40), _84160)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_87952, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _92522)
   Call: (229) [system] peek_char((0x56051b6b4f40), _93456)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_97248, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _101818)
   Call: (230) [system] peek_char((0x56051b6b4f40), _102752)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_106544, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _111114)
   Call: (231) [system] peek_char((0x56051b6b4f40), _112048)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_115840, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _120410)
   Call: (232) [system] peek_char((0x56051b6b4f40), _121344)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_125136, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _129706)
   Call: (233) [system] peek_char((0x56051b6b4f40), _130640)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _129706=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _120410=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (231) [system] _111114=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (230) [system] _101818=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (229) [system] _92522=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (228) [system] _83226=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (227) [system] _73930=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (226) [system] _64634=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (225) [system] _55338=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _46042=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _36746=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _27450=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _18154=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _8858=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4778=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4774=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4770=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4766=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4762=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4758=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4754=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4750=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4746=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4742)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_201418, _201420), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4742), _201394, fail)), '$restore_trace'(_201418, _201420))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_201418, _201420))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4742), _201394, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_4742)
   Call: (211) [system] atom_chars(_4742, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _209870)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _211728)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _218538)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _221242)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _230634)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _234348)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _236206)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _244674)
   Exit: (210) [system] get_char((0x56051b6b4f40), a)
   Call: (210) [system] a='('
   Call: (210) [system] a='['
   Call: (210) [system] a='{'
   Call: (210) [system] a='"'
   Call: (210) [system] a=!
   Call: (210) [system] a='\''
   Call: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), a, _234348)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _254892)
   Call: (212) [system] peek_char((0x56051b6b4f40), _255826)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _254892=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq(a, [], _234348)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_265136, _265138), once(user:catch(read_from_chars([a], _234348), _265112, fail)), '$restore_trace'(_265136, _265138))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_265136, _265138))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _265112, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(a)
   Exit: (212) [system] atomic(a)
^  Exit: (211) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _272636)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _274494)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _281304)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _284008)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _293400)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _297114)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _298972)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _307440)
   Exit: (211) [system] get_char((0x56051b6b4f40), a)
   Call: (211) [system] a='('
   Call: (211) [system] a='['
   Call: (211) [system] a='{'
   Call: (211) [system] a='"'
   Call: (211) [system] a=!
   Call: (211) [system] a='\''
   Call: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), a, _297114)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _317658)
   Call: (213) [system] peek_char((0x56051b6b4f40), _318592)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_322384, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _317658=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq(a, [], _297114)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_328846, _328848), once(user:catch(read_from_chars([a], _297114), _328822, fail)), '$restore_trace'(_328846, _328848))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_328846, _328848))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _328822, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(a)
   Exit: (213) [system] atomic(a)
^  Exit: (212) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _336346)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _338204)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _346672)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _350462)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _336346=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _272636=[a]
   Exit: (210) [system] [a]=[a]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (209) [system] _209870=[a, a]
   Exit: (209) [system] [a, a]=[a, a]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (208) [system] _4736=['ConjunctionIntroduction', a, a]
   Exit: (208) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _364344)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _366202)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _373012)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _375716)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _385108)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _388822)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _390680)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _399148)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _388822)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _404718)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _413186)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _416900)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _418758)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _427226)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _416900)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _437444)
   Call: (212) [system] peek_char((0x56051b6b4f40), _438378)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_442170, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _446740)
   Call: (213) [system] peek_char((0x56051b6b4f40), _447674)
   Exit: (213) [system] peek_char((0x56051b6b4f40), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_451466, v('(', ')', end_of_file), d)
   Call: (213) [system] ')'==d
   Call: (213) [system] get_char((0x56051b6b4f40), d)
   Exit: (213) [system] get_char((0x56051b6b4f40), d)
   Call: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _456036)
   Call: (214) [system] peek_char((0x56051b6b4f40), _456970)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_460762, v('(', ')', end_of_file), 'L')
   Call: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (214) [system] get_char((0x56051b6b4f40), 'L')
   Call: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _465332)
   Call: (215) [system] peek_char((0x56051b6b4f40), _466266)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_470058, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _474628)
   Call: (216) [system] peek_char((0x56051b6b4f40), _475562)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_479354, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _483924)
   Call: (217) [system] peek_char((0x56051b6b4f40), _484858)
   Exit: (217) [system] peek_char((0x56051b6b4f40), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_488650, v('(', ')', end_of_file), k)
   Call: (217) [system] ')'==k
   Call: (217) [system] get_char((0x56051b6b4f40), k)
   Exit: (217) [system] get_char((0x56051b6b4f40), k)
   Call: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _493220)
   Call: (218) [system] peek_char((0x56051b6b4f40), _494154)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _493220=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (217) [system] _483924=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (216) [system] _474628=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (215) [system] _465332=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (214) [system] _456036=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (213) [system] _446740=[d, 'L', i, n, k]
   Exit: (213) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (212) [system] _437444=[n, d, 'L', i, n, k]
   Exit: (212) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _416900)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_520228, _520230), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _416900), _520204, fail)), '$restore_trace'(_520228, _520230))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_520228, _520230))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _416900), _520204, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_416900)
   Call: (212) [system] atom_chars(_416900, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _528680)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _530538)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _537348)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _540052)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _549444)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _553158)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _555016)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _563484)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _553158)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _573702)
   Call: (213) [system] peek_char((0x56051b6b4f40), _574636)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _573702=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq('A', [], _553158)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_583946, _583948), once(user:catch(read_from_chars(['A'], _553158), _583922, fail)), '$restore_trace'(_583946, _583948))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_583946, _583948))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _553158), _583922, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_553158)
   Call: (213) [system] atom_chars(_553158, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _592398)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _594256)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _601066)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _603770)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _613162)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _616876)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _618734)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _627202)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _616876)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _637420)
   Call: (214) [system] peek_char((0x56051b6b4f40), _638354)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_642146, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _637420=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq('A', [], _616876)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_648608, _648610), once(user:catch(read_from_chars(['A'], _616876), _648584, fail)), '$restore_trace'(_648608, _648610))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_648608, _648610))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _616876), _648584, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_616876)
   Call: (214) [system] atom_chars(_616876, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _657060)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _658918)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _667386)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _671176)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _657060=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _592398=['A']
   Exit: (211) [system] ['A']=['A']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (210) [system] _528680=['A', 'A']
   Exit: (210) [system] ['A', 'A']=['A', 'A']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['A', 'A'])
   Call: (209) [system] _388822=['AndLink', 'A', 'A']
   Exit: (209) [system] ['AndLink', 'A', 'A']=['AndLink', 'A', 'A']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'A'])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'A'])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _685058)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _686916)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _695384)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _699174)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _685058=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _364344=[['AndLink', 'A', 'A']]
   Exit: (207) [system] [['AndLink', 'A', 'A']]=[['AndLink', 'A', 'A']]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'A']])
   Call: (206) [system] _4732=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
   Exit: (206) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
   Call: (205) [system] _4724=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
   Exit: (205) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _713056)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _714914)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (205) [system] '\n'=(;)
^  Call: (205) [user] is_like_space('\n')
   Call: (206) [system] char_type('\n', 'white')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
^  Exit: (205) [user] is_like_space('\n')
   Call: (205) [system] get_char((0x56051b6b4f40), _722530)
   Exit: (205) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _725234)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (206) [system] '\t'=(;)
^  Call: (206) [user] is_like_space('\t')
   Call: (207) [system] char_type('\t', 'white')
   Exit: (207) [system] char_type('\t', 'white')
^  Exit: (206) [user] is_like_space('\t')
   Call: (206) [system] get_char((0x56051b6b4f40), _732044)
   Exit: (206) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _734748)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (207) [system] '\t'=(;)
^  Call: (207) [user] is_like_space('\t')
   Call: (208) [system] char_type('\t', 'white')
   Exit: (208) [system] char_type('\t', 'white')
^  Exit: (207) [user] is_like_space('\t')
   Call: (207) [system] get_char((0x56051b6b4f40), _741558)
   Exit: (207) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _744262)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _751072)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _753776)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _765940)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _769654)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _771512)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _779980)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _769654)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _785550)
   Exit: (207) [system] peek_char((0x56051b6b4f40), :)
   Call: (207) [system] (:)=(;)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _794018)
   Exit: (206) [system] peek_char((0x56051b6b4f40), :)
   Call: (206) [system] (:)=')'
   Call: (206) [system] (:)=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _797732)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _799590)
   Exit: (208) [system] peek_char((0x56051b6b4f40), :)
   Call: (208) [system] (:)=(;)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _808058)
   Exit: (207) [system] get_char((0x56051b6b4f40), :)
   Call: (207) [system] (:)='('
   Call: (207) [system] (:)='['
   Call: (207) [system] (:)='{'
   Call: (207) [system] (:)='"'
   Call: (207) [system] (:)=!
   Call: (207) [system] (:)='\''
   Call: (207) [system] (:)='`'
   Call: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), :, _797732)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _818276)
   Call: (209) [system] peek_char((0x56051b6b4f40), _819210)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _818276=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (208) [user] classify_and_convert_charseq(:, [], _797732)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_828520, _828522), once(user:catch(read_from_chars([:], _797732), _828496, fail)), '$restore_trace'(_828520, _828522))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_828520, _828522))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _828496, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(:)
   Exit: (209) [system] atomic(:)
^  Exit: (208) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _836020)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _837878)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _844688)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _847392)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _856784)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _860498)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _862356)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _870824)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _860498)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _876394)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _884862)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _888576)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _890434)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _898902)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _888576)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _909120)
   Call: (212) [system] peek_char((0x56051b6b4f40), _910054)
   Exit: (212) [system] peek_char((0x56051b6b4f40), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_913846, v('(', ')', end_of_file), o)
   Call: (212) [system] ')'==o
   Call: (212) [system] get_char((0x56051b6b4f40), o)
   Exit: (212) [system] get_char((0x56051b6b4f40), o)
   Call: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _918416)
   Call: (213) [system] peek_char((0x56051b6b4f40), _919350)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_923142, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _927712)
   Call: (214) [system] peek_char((0x56051b6b4f40), _928646)
   Exit: (214) [system] peek_char((0x56051b6b4f40), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_932438, v('(', ')', end_of_file), j)
   Call: (214) [system] ')'==j
   Call: (214) [system] get_char((0x56051b6b4f40), j)
   Exit: (214) [system] get_char((0x56051b6b4f40), j)
   Call: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _937008)
   Call: (215) [system] peek_char((0x56051b6b4f40), _937942)
   Exit: (215) [system] peek_char((0x56051b6b4f40), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_941734, v('(', ')', end_of_file), u)
   Call: (215) [system] ')'==u
   Call: (215) [system] get_char((0x56051b6b4f40), u)
   Exit: (215) [system] get_char((0x56051b6b4f40), u)
   Call: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _946304)
   Call: (216) [system] peek_char((0x56051b6b4f40), _947238)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_951030, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _955600)
   Call: (217) [system] peek_char((0x56051b6b4f40), _956534)
   Exit: (217) [system] peek_char((0x56051b6b4f40), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_960326, v('(', ')', end_of_file), c)
   Call: (217) [system] ')'==c
   Call: (217) [system] get_char((0x56051b6b4f40), c)
   Exit: (217) [system] get_char((0x56051b6b4f40), c)
   Call: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _964896)
   Call: (218) [system] peek_char((0x56051b6b4f40), _965830)
   Exit: (218) [system] peek_char((0x56051b6b4f40), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_969622, v('(', ')', end_of_file), t)
   Call: (218) [system] ')'==t
   Call: (218) [system] get_char((0x56051b6b4f40), t)
   Exit: (218) [system] get_char((0x56051b6b4f40), t)
   Call: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _974192)
   Call: (219) [system] peek_char((0x56051b6b4f40), _975126)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_978918, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _983488)
   Call: (220) [system] peek_char((0x56051b6b4f40), _984422)
   Exit: (220) [system] peek_char((0x56051b6b4f40), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_988214, v('(', ')', end_of_file), o)
   Call: (220) [system] ')'==o
   Call: (220) [system] get_char((0x56051b6b4f40), o)
   Exit: (220) [system] get_char((0x56051b6b4f40), o)
   Call: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _992784)
   Call: (221) [system] peek_char((0x56051b6b4f40), _993718)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_997510, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1002080)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1003014)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_1006806, v('(', ')', end_of_file), 'I')
   Call: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (222) [system] get_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1011376)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1012310)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1016102, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1020672)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1021606)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1025398, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1029968)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1030902)
   Exit: (225) [system] peek_char((0x56051b6b4f40), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1034694, v('(', ')', end_of_file), r)
   Call: (225) [system] ')'==r
   Call: (225) [system] get_char((0x56051b6b4f40), r)
   Exit: (225) [system] get_char((0x56051b6b4f40), r)
   Call: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1039264)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1040198)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1043990, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1048560)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1049494)
   Exit: (227) [system] peek_char((0x56051b6b4f40), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1053286, v('(', ')', end_of_file), d)
   Call: (227) [system] ')'==d
   Call: (227) [system] get_char((0x56051b6b4f40), d)
   Exit: (227) [system] get_char((0x56051b6b4f40), d)
   Call: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1057856)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1058790)
   Exit: (228) [system] peek_char((0x56051b6b4f40), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1062582, v('(', ')', end_of_file), u)
   Call: (228) [system] ')'==u
   Call: (228) [system] get_char((0x56051b6b4f40), u)
   Exit: (228) [system] get_char((0x56051b6b4f40), u)
   Call: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1067152)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1068086)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1071878, v('(', ')', end_of_file), c)
   Call: (229) [system] ')'==c
   Call: (229) [system] get_char((0x56051b6b4f40), c)
   Exit: (229) [system] get_char((0x56051b6b4f40), c)
   Call: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1076448)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1077382)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1081174, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1085744)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1086678)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1090470, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1095040)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1095974)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1099766, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1104336)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1105270)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1109062, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1113632)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1114566)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1113632=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1104336=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (232) [system] _1095040=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (231) [system] _1085744=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (230) [system] _1076448=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (229) [system] _1067152=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (228) [system] _1057856=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (227) [system] _1048560=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (226) [system] _1039264=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _1029968=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1020672=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1011376=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1002080=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _992784=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _983488=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _974192=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _964896=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _955600=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _946304=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _937008=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _927712=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _918416=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _909120=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _888576)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1185344, _1185346), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _888576), _1185320, fail)), '$restore_trace'(_1185344, _1185346))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1185344, _1185346))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _888576), _1185320, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_888576)
   Call: (212) [system] atom_chars(_888576, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1193796)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1195654)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1202464)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1205168)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1214560)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1218274)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1220132)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1228600)
   Exit: (211) [system] get_char((0x56051b6b4f40), a)
   Call: (211) [system] a='('
   Call: (211) [system] a='['
   Call: (211) [system] a='{'
   Call: (211) [system] a='"'
   Call: (211) [system] a=!
   Call: (211) [system] a='\''
   Call: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), a, _1218274)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1238818)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1239752)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1238818=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq(a, [], _1218274)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1249062, _1249064), once(user:catch(read_from_chars([a], _1218274), _1249038, fail)), '$restore_trace'(_1249062, _1249064))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1249062, _1249064))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1249038, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(a)
   Exit: (213) [system] atomic(a)
^  Exit: (212) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1256562)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1258420)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1265230)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1267934)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1277326)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1281040)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1282898)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1291366)
   Exit: (212) [system] get_char((0x56051b6b4f40), a)
   Call: (212) [system] a='('
   Call: (212) [system] a='['
   Call: (212) [system] a='{'
   Call: (212) [system] a='"'
   Call: (212) [system] a=!
   Call: (212) [system] a='\''
   Call: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), a, _1281040)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1301584)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1302518)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1306310, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1301584=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq(a, [], _1281040)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1312772, _1312774), once(user:catch(read_from_chars([a], _1281040), _1312748, fail)), '$restore_trace'(_1312772, _1312774))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1312772, _1312774))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1312748, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1320272)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1322130)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1330598)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _1334388)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _1320272=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _1256562=[a]
   Exit: (211) [system] [a]=[a]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (210) [system] _1193796=[a, a]
   Exit: (210) [system] [a, a]=[a, a]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (209) [system] _860498=['ConjunctionIntroduction', a, a]
   Exit: (209) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1348270)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1350128)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1356938)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1359642)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1369034)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1372748)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1374606)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1383074)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1372748)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1388644)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1397112)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1400826)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1402684)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1411152)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1400826)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1421370)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1422304)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1426096, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1430666)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1431600)
   Exit: (214) [system] peek_char((0x56051b6b4f40), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_1435392, v('(', ')', end_of_file), d)
   Call: (214) [system] ')'==d
   Call: (214) [system] get_char((0x56051b6b4f40), d)
   Exit: (214) [system] get_char((0x56051b6b4f40), d)
   Call: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1439962)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1440896)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1444688, v('(', ')', end_of_file), 'L')
   Call: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (215) [system] get_char((0x56051b6b4f40), 'L')
   Call: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1449258)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1450192)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1453984, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1458554)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1459488)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1463280, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1467850)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1468784)
   Exit: (218) [system] peek_char((0x56051b6b4f40), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1472576, v('(', ')', end_of_file), k)
   Call: (218) [system] ')'==k
   Call: (218) [system] get_char((0x56051b6b4f40), k)
   Exit: (218) [system] get_char((0x56051b6b4f40), k)
   Call: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1477146)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1478080)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1477146=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _1467850=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (217) [system] _1458554=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (216) [system] _1449258=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (215) [system] _1439962=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (214) [system] _1430666=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (213) [system] _1421370=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1400826)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1504154, _1504156), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1400826), _1504130, fail)), '$restore_trace'(_1504154, _1504156))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1504154, _1504156))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1400826), _1504130, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1400826)
   Call: (213) [system] atom_chars(_1400826, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1512606)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1514464)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1521274)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1523978)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1533370)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1537084)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1538942)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1547410)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1537084)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1557628)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1558562)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1557628=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq('A', [], _1537084)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1567872, _1567874), once(user:catch(read_from_chars(['A'], _1537084), _1567848, fail)), '$restore_trace'(_1567872, _1567874))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1567872, _1567874))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1537084), _1567848, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1537084)
   Call: (214) [system] atom_chars(_1537084, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1576324)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1578182)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1584992)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1587696)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1597088)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1600802)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1602660)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1611128)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'B')
   Call: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1600802)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1621346)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1622280)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1626072, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1621346=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('B', [], _1600802)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1632534, _1632536), once(user:catch(read_from_chars(['B'], _1600802), _1632510, fail)), '$restore_trace'(_1632534, _1632536))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1632534, _1632536))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1600802), _1632510, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1600802)
   Call: (215) [system] atom_chars(_1600802, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1640986)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1642844)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1651312)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _1655102)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _1640986=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _1576324=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (211) [system] _1512606=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (210) [system] _1372748=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1668984)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1670842)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1679310)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _1683100)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _1668984=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1348270=[['AndLink', 'A', 'B']]
   Exit: (208) [system] [['AndLink', 'A', 'B']]=[['AndLink', 'A', 'B']]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B']])
   Call: (207) [system] _836020=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
   Exit: (207) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
   Call: (206) [system] _769654=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
   Exit: (206) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1696982)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1698840)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (206) [system] '\n'=(;)
^  Call: (206) [user] is_like_space('\n')
   Call: (207) [system] char_type('\n', 'white')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
^  Exit: (206) [user] is_like_space('\n')
   Call: (206) [system] get_char((0x56051b6b4f40), _1706456)
   Exit: (206) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1709160)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (207) [system] '\t'=(;)
^  Call: (207) [user] is_like_space('\t')
   Call: (208) [system] char_type('\t', 'white')
   Exit: (208) [system] char_type('\t', 'white')
^  Exit: (207) [user] is_like_space('\t')
   Call: (207) [system] get_char((0x56051b6b4f40), _1715970)
   Exit: (207) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1718674)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (208) [system] '\t'=(;)
^  Call: (208) [user] is_like_space('\t')
   Call: (209) [system] char_type('\t', 'white')
   Exit: (209) [system] char_type('\t', 'white')
^  Exit: (208) [user] is_like_space('\t')
   Call: (208) [system] get_char((0x56051b6b4f40), _1725484)
   Exit: (208) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1728188)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1734998)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1737702)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1749866)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1753580)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1755438)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1763906)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1753580)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1769476)
   Exit: (208) [system] peek_char((0x56051b6b4f40), :)
   Call: (208) [system] (:)=(;)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1777944)
   Exit: (207) [system] peek_char((0x56051b6b4f40), :)
   Call: (207) [system] (:)=')'
   Call: (207) [system] (:)=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1781658)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1783516)
   Exit: (209) [system] peek_char((0x56051b6b4f40), :)
   Call: (209) [system] (:)=(;)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1791984)
   Exit: (208) [system] get_char((0x56051b6b4f40), :)
   Call: (208) [system] (:)='('
   Call: (208) [system] (:)='['
   Call: (208) [system] (:)='{'
   Call: (208) [system] (:)='"'
   Call: (208) [system] (:)=!
   Call: (208) [system] (:)='\''
   Call: (208) [system] (:)='`'
   Call: (208) [system] (:)=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), :, _1781658)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1802202)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1803136)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1802202=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq(:, [], _1781658)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1812446, _1812448), once(user:catch(read_from_chars([:], _1781658), _1812422, fail)), '$restore_trace'(_1812446, _1812448))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1812446, _1812448))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1812422, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(:)
   Exit: (210) [system] atomic(:)
^  Exit: (209) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1819946)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1821804)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1828614)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1831318)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1840710)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1844424)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1846282)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1854750)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1844424)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1860320)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1868788)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1872502)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1874360)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1882828)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1872502)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1893046)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1893980)
   Exit: (213) [system] peek_char((0x56051b6b4f40), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1897772, v('(', ')', end_of_file), o)
   Call: (213) [system] ')'==o
   Call: (213) [system] get_char((0x56051b6b4f40), o)
   Exit: (213) [system] get_char((0x56051b6b4f40), o)
   Call: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1902342)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1903276)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1907068, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1911638)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1912572)
   Exit: (215) [system] peek_char((0x56051b6b4f40), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_1916364, v('(', ')', end_of_file), j)
   Call: (215) [system] ')'==j
   Call: (215) [system] get_char((0x56051b6b4f40), j)
   Exit: (215) [system] get_char((0x56051b6b4f40), j)
   Call: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1920934)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1921868)
   Exit: (216) [system] peek_char((0x56051b6b4f40), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_1925660, v('(', ')', end_of_file), u)
   Call: (216) [system] ')'==u
   Call: (216) [system] get_char((0x56051b6b4f40), u)
   Exit: (216) [system] get_char((0x56051b6b4f40), u)
   Call: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1930230)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1931164)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1934956, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1939526)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1940460)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1944252, v('(', ')', end_of_file), c)
   Call: (218) [system] ')'==c
   Call: (218) [system] get_char((0x56051b6b4f40), c)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1948822)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1949756)
   Exit: (219) [system] peek_char((0x56051b6b4f40), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1953548, v('(', ')', end_of_file), t)
   Call: (219) [system] ')'==t
   Call: (219) [system] get_char((0x56051b6b4f40), t)
   Exit: (219) [system] get_char((0x56051b6b4f40), t)
   Call: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1958118)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1959052)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1962844, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1967414)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1968348)
   Exit: (221) [system] peek_char((0x56051b6b4f40), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1972140, v('(', ')', end_of_file), o)
   Call: (221) [system] ')'==o
   Call: (221) [system] get_char((0x56051b6b4f40), o)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1976710)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1977644)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1981436, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1986006)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1986940)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_1990732, v('(', ')', end_of_file), 'I')
   Call: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (223) [system] get_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1995302)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1996236)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_2000028, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2004598)
   Call: (225) [system] peek_char((0x56051b6b4f40), _2005532)
   Exit: (225) [system] peek_char((0x56051b6b4f40), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_2009324, v('(', ')', end_of_file), t)
   Call: (225) [system] ')'==t
   Call: (225) [system] get_char((0x56051b6b4f40), t)
   Exit: (225) [system] get_char((0x56051b6b4f40), t)
   Call: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2013894)
   Call: (226) [system] peek_char((0x56051b6b4f40), _2014828)
   Exit: (226) [system] peek_char((0x56051b6b4f40), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_2018620, v('(', ')', end_of_file), r)
   Call: (226) [system] ')'==r
   Call: (226) [system] get_char((0x56051b6b4f40), r)
   Exit: (226) [system] get_char((0x56051b6b4f40), r)
   Call: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2023190)
   Call: (227) [system] peek_char((0x56051b6b4f40), _2024124)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_2027916, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2032486)
   Call: (228) [system] peek_char((0x56051b6b4f40), _2033420)
   Exit: (228) [system] peek_char((0x56051b6b4f40), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_2037212, v('(', ')', end_of_file), d)
   Call: (228) [system] ')'==d
   Call: (228) [system] get_char((0x56051b6b4f40), d)
   Exit: (228) [system] get_char((0x56051b6b4f40), d)
   Call: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2041782)
   Call: (229) [system] peek_char((0x56051b6b4f40), _2042716)
   Exit: (229) [system] peek_char((0x56051b6b4f40), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_2046508, v('(', ')', end_of_file), u)
   Call: (229) [system] ')'==u
   Call: (229) [system] get_char((0x56051b6b4f40), u)
   Exit: (229) [system] get_char((0x56051b6b4f40), u)
   Call: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2051078)
   Call: (230) [system] peek_char((0x56051b6b4f40), _2052012)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_2055804, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2060374)
   Call: (231) [system] peek_char((0x56051b6b4f40), _2061308)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_2065100, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2069670)
   Call: (232) [system] peek_char((0x56051b6b4f40), _2070604)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_2074396, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2078966)
   Call: (233) [system] peek_char((0x56051b6b4f40), _2079900)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_2083692, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2088262)
   Call: (234) [system] peek_char((0x56051b6b4f40), _2089196)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_2092988, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _5702)
   Call: (235) [system] peek_char((0x56051b6b4f40), _6636)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _5702=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _4950=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (233) [system] _4946=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (232) [system] _4942=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (231) [system] _4938=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (230) [system] _4934=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (229) [system] _4930=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (228) [system] _4926=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (227) [system] _4922=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _4918=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _4914=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _4910=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _4906=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _4902=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4898=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4894=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4890=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4886=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4882=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4878=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4874=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4870=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4866=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4862)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_77414, _77416), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4862), _77390, fail)), '$restore_trace'(_77414, _77416))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_77414, _77416))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4862), _77390, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_4862)
   Call: (213) [system] atom_chars(_4862, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _85866)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _87724)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _94534)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _97238)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _106630)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _110344)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _112202)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _120670)
   Exit: (212) [system] get_char((0x56051b6b4f40), a)
   Call: (212) [system] a='('
   Call: (212) [system] a='['
   Call: (212) [system] a='{'
   Call: (212) [system] a='"'
   Call: (212) [system] a=!
   Call: (212) [system] a='\''
   Call: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), a, _110344)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _130888)
   Call: (214) [system] peek_char((0x56051b6b4f40), _131822)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _130888=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq(a, [], _110344)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_141132, _141134), once(user:catch(read_from_chars([a], _110344), _141108, fail)), '$restore_trace'(_141132, _141134))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_141132, _141134))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _141108, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _148632)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _150490)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _157300)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _160004)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _169396)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _173110)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _174968)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _183436)
   Exit: (213) [system] get_char((0x56051b6b4f40), a)
   Call: (213) [system] a='('
   Call: (213) [system] a='['
   Call: (213) [system] a='{'
   Call: (213) [system] a='"'
   Call: (213) [system] a=!
   Call: (213) [system] a='\''
   Call: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), a, _173110)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _193654)
   Call: (215) [system] peek_char((0x56051b6b4f40), _194588)
   Exit: (215) [system] peek_char((0x56051b6b4f40), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_198380, v('(', ')', end_of_file), b)
   Call: (215) [system] ')'==b
   Call: (215) [system] get_char((0x56051b6b4f40), b)
   Exit: (215) [system] get_char((0x56051b6b4f40), b)
   Call: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _202950)
   Call: (216) [system] peek_char((0x56051b6b4f40), _203884)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_207676, v('(', ')', end_of_file), c)
   Call: (216) [system] ')'==c
   Call: (216) [system] get_char((0x56051b6b4f40), c)
   Exit: (216) [system] get_char((0x56051b6b4f40), c)
   Call: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _212246)
   Call: (217) [system] peek_char((0x56051b6b4f40), _213180)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_216972, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _212246=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _202950=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (215) [system] _193654=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (214) [user] classify_and_convert_charseq(a, [b, c], _173110)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_229022, _229024), once(user:catch(read_from_chars([a, b, c], _173110), _228998, fail)), '$restore_trace'(_229022, _229024))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_229022, _229024))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _228998, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(abc)
   Exit: (215) [system] atomic(abc)
^  Exit: (214) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _236522)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _238380)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _246848)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _250638)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _236522=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _148632=[abc]
   Exit: (212) [system] [abc]=[abc]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (211) [system] _85866=[a, abc]
   Exit: (211) [system] [a, abc]=[a, abc]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [a, abc])
   Call: (210) [system] _4856=['ConjunctionIntroduction', a, abc]
   Exit: (210) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, abc])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, abc])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _264520)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _266378)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _273188)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _275892)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _285284)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _288998)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _290856)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _299324)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _288998)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _304894)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _313362)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _317076)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _318934)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _327402)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _317076)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _337620)
   Call: (214) [system] peek_char((0x56051b6b4f40), _338554)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_342346, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _346916)
   Call: (215) [system] peek_char((0x56051b6b4f40), _347850)
   Exit: (215) [system] peek_char((0x56051b6b4f40), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_351642, v('(', ')', end_of_file), d)
   Call: (215) [system] ')'==d
   Call: (215) [system] get_char((0x56051b6b4f40), d)
   Exit: (215) [system] get_char((0x56051b6b4f40), d)
   Call: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _356212)
   Call: (216) [system] peek_char((0x56051b6b4f40), _357146)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_360938, v('(', ')', end_of_file), 'L')
   Call: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (216) [system] get_char((0x56051b6b4f40), 'L')
   Call: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _365508)
   Call: (217) [system] peek_char((0x56051b6b4f40), _366442)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_370234, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _374804)
   Call: (218) [system] peek_char((0x56051b6b4f40), _375738)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_379530, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _384100)
   Call: (219) [system] peek_char((0x56051b6b4f40), _385034)
   Exit: (219) [system] peek_char((0x56051b6b4f40), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_388826, v('(', ')', end_of_file), k)
   Call: (219) [system] ')'==k
   Call: (219) [system] get_char((0x56051b6b4f40), k)
   Exit: (219) [system] get_char((0x56051b6b4f40), k)
   Call: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _393396)
   Call: (220) [system] peek_char((0x56051b6b4f40), _394330)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _393396=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _384100=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (218) [system] _374804=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (217) [system] _365508=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (216) [system] _356212=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (215) [system] _346916=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (214) [system] _337620=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _317076)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_420404, _420406), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _317076), _420380, fail)), '$restore_trace'(_420404, _420406))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_420404, _420406))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _317076), _420380, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_317076)
   Call: (214) [system] atom_chars(_317076, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _428856)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _430714)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _437524)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _440228)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _449620)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _453334)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _455192)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _463660)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'B')
   Call: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _453334)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _473878)
   Call: (215) [system] peek_char((0x56051b6b4f40), _474812)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _473878=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('B', [], _453334)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_484122, _484124), once(user:catch(read_from_chars(['B'], _453334), _484098, fail)), '$restore_trace'(_484122, _484124))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_484122, _484124))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _453334), _484098, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_453334)
   Call: (215) [system] atom_chars(_453334, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _492574)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _494432)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _501242)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _503946)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _513338)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _517052)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _518910)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _527378)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _517052)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _532948)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'=(;)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _541416)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _545130)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _546988)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'=(;)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _555456)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _545130)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _565674)
   Call: (218) [system] peek_char((0x56051b6b4f40), _566608)
   Exit: (218) [system] peek_char((0x56051b6b4f40), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_570400, v('(', ')', end_of_file), m)
   Call: (218) [system] ')'==m
   Call: (218) [system] get_char((0x56051b6b4f40), m)
   Exit: (218) [system] get_char((0x56051b6b4f40), m)
   Call: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _574970)
   Call: (219) [system] peek_char((0x56051b6b4f40), _575904)
   Exit: (219) [system] peek_char((0x56051b6b4f40), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_579696, v('(', ')', end_of_file), p)
   Call: (219) [system] ')'==p
   Call: (219) [system] get_char((0x56051b6b4f40), p)
   Exit: (219) [system] get_char((0x56051b6b4f40), p)
   Call: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _584266)
   Call: (220) [system] peek_char((0x56051b6b4f40), _585200)
   Exit: (220) [system] peek_char((0x56051b6b4f40), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_588992, v('(', ')', end_of_file), l)
   Call: (220) [system] ')'==l
   Call: (220) [system] get_char((0x56051b6b4f40), l)
   Exit: (220) [system] get_char((0x56051b6b4f40), l)
   Call: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _593562)
   Call: (221) [system] peek_char((0x56051b6b4f40), _594496)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_598288, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _602858)
   Call: (222) [system] peek_char((0x56051b6b4f40), _603792)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_607584, v('(', ')', end_of_file), c)
   Call: (222) [system] ')'==c
   Call: (222) [system] get_char((0x56051b6b4f40), c)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _612154)
   Call: (223) [system] peek_char((0x56051b6b4f40), _613088)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_616880, v('(', ')', end_of_file), a)
   Call: (223) [system] ')'==a
   Call: (223) [system] get_char((0x56051b6b4f40), a)
   Exit: (223) [system] get_char((0x56051b6b4f40), a)
   Call: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _621450)
   Call: (224) [system] peek_char((0x56051b6b4f40), _622384)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_626176, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _630746)
   Call: (225) [system] peek_char((0x56051b6b4f40), _631680)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_635472, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _640042)
   Call: (226) [system] peek_char((0x56051b6b4f40), _640976)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_644768, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _649338)
   Call: (227) [system] peek_char((0x56051b6b4f40), _650272)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_654064, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _658634)
   Call: (228) [system] peek_char((0x56051b6b4f40), _659568)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _658634=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _649338=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (226) [system] _640042=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (225) [system] _630746=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (224) [system] _621450=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (223) [system] _612154=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (222) [system] _602858=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (221) [system] _593562=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (220) [system] _584266=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _574970=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _565674=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _545130)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_696818, _696820), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _545130), _696794, fail)), '$restore_trace'(_696818, _696820))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_696818, _696820))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _545130), _696794, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_545130)
   Call: (218) [system] atom_chars(_545130, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (218) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _705270)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _707128)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _713938)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _716642)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _726034)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _729748)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _731606)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _740074)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _729748)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _745644)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _754112)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _757826)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _759684)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _768152)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _757826)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _778370)
   Call: (221) [system] peek_char((0x56051b6b4f40), _779304)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_783096, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _787666)
   Call: (222) [system] peek_char((0x56051b6b4f40), _788600)
   Exit: (222) [system] peek_char((0x56051b6b4f40), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_792392, v('(', ')', end_of_file), d)
   Call: (222) [system] ')'==d
   Call: (222) [system] get_char((0x56051b6b4f40), d)
   Exit: (222) [system] get_char((0x56051b6b4f40), d)
   Call: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _796962)
   Call: (223) [system] peek_char((0x56051b6b4f40), _797896)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_801688, v('(', ')', end_of_file), 'L')
   Call: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (223) [system] get_char((0x56051b6b4f40), 'L')
   Call: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _806258)
   Call: (224) [system] peek_char((0x56051b6b4f40), _807192)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_810984, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _815554)
   Call: (225) [system] peek_char((0x56051b6b4f40), _816488)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_820280, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _824850)
   Call: (226) [system] peek_char((0x56051b6b4f40), _825784)
   Exit: (226) [system] peek_char((0x56051b6b4f40), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_829576, v('(', ')', end_of_file), k)
   Call: (226) [system] ')'==k
   Call: (226) [system] get_char((0x56051b6b4f40), k)
   Exit: (226) [system] get_char((0x56051b6b4f40), k)
   Call: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _834146)
   Call: (227) [system] peek_char((0x56051b6b4f40), _835080)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _834146=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _824850=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (225) [system] _815554=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (224) [system] _806258=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (223) [system] _796962=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (222) [system] _787666=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (221) [system] _778370=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _757826)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_861154, _861156), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _757826), _861130, fail)), '$restore_trace'(_861154, _861156))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_861154, _861156))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _757826), _861130, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_757826)
   Call: (221) [system] atom_chars(_757826, ['A', n, d, 'L', i, n, k])
   Exit: (221) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _869606)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _871464)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _878274)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _880978)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _890370)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _894084)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _895942)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _904410)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _894084)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _914628)
   Call: (222) [system] peek_char((0x56051b6b4f40), _915562)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _914628=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq('A', [], _894084)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_924872, _924874), once(user:catch(read_from_chars(['A'], _894084), _924848, fail)), '$restore_trace'(_924872, _924874))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_924872, _924874))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _894084), _924848, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_894084)
   Call: (222) [system] atom_chars(_894084, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _933324)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _935182)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _941992)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _944696)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _954088)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _957802)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _959660)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _968128)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'B')
   Call: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _957802)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _978346)
   Call: (223) [system] peek_char((0x56051b6b4f40), _979280)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_983072, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _978346=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('B', [], _957802)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_989534, _989536), once(user:catch(read_from_chars(['B'], _957802), _989510, fail)), '$restore_trace'(_989534, _989536))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_989534, _989536))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _957802), _989510, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_957802)
   Call: (223) [system] atom_chars(_957802, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _997986)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _999844)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1008312)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _1012102)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _997986=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _933324=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (219) [system] _869606=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (218) [system] _729748=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1025984)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1027842)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1034652)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1037356)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1046748)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1050462)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1052320)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1060788)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'C')
   Call: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1050462)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1071006)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1071940)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1075732, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1071006=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq('C', [], _1050462)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1082194, _1082196), once(user:catch(read_from_chars(['C'], _1050462), _1082170, fail)), '$restore_trace'(_1082194, _1082196))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1082194, _1082196))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1050462), _1082170, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1050462)
   Call: (220) [system] atom_chars(_1050462, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1090646)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1092504)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1100972)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _1104762)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _1090646=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _1025984=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (216) [system] _705270=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _517052=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1118644)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1120502)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1128970)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _1132760)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _1118644=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _492574=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (212) [system] _428856=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (212) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (211) [system] _288998=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (211) [system] ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1146642)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1148500)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1156968)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _1160758)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _1146642=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _264520=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (209) [system] [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (208) [system] _4852=[['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (208) [system] [['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (207) [system] _4844=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (207) [system] [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1174640)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1176498)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (207) [system] '\n'=(;)
^  Call: (207) [user] is_like_space('\n')
   Call: (208) [system] char_type('\n', 'white')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
^  Exit: (207) [user] is_like_space('\n')
   Call: (207) [system] get_char((0x56051b6b4f40), _1184114)
   Exit: (207) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1186818)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (208) [system] '\t'=(;)
^  Call: (208) [user] is_like_space('\t')
   Call: (209) [system] char_type('\t', 'white')
   Exit: (209) [system] char_type('\t', 'white')
^  Exit: (208) [user] is_like_space('\t')
   Call: (208) [system] get_char((0x56051b6b4f40), _1193628)
   Exit: (208) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1196332)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (209) [system] '\t'=(;)
^  Call: (209) [user] is_like_space('\t')
   Call: (210) [system] char_type('\t', 'white')
   Exit: (210) [system] char_type('\t', 'white')
^  Exit: (209) [user] is_like_space('\t')
   Call: (209) [system] get_char((0x56051b6b4f40), _1203142)
   Exit: (209) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1205846)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1212656)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1215360)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1227524)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1231238)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1233096)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1241564)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1231238)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1247134)
   Exit: (209) [system] peek_char((0x56051b6b4f40), :)
   Call: (209) [system] (:)=(;)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1255602)
   Exit: (208) [system] peek_char((0x56051b6b4f40), :)
   Call: (208) [system] (:)=')'
   Call: (208) [system] (:)=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1259316)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1261174)
   Exit: (210) [system] peek_char((0x56051b6b4f40), :)
   Call: (210) [system] (:)=(;)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1269642)
   Exit: (209) [system] get_char((0x56051b6b4f40), :)
   Call: (209) [system] (:)='('
   Call: (209) [system] (:)='['
   Call: (209) [system] (:)='{'
   Call: (209) [system] (:)='"'
   Call: (209) [system] (:)=!
   Call: (209) [system] (:)='\''
   Call: (209) [system] (:)='`'
   Call: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), :, _1259316)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1279860)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1280794)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1279860=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq(:, [], _1259316)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1290104, _1290106), once(user:catch(read_from_chars([:], _1259316), _1290080, fail)), '$restore_trace'(_1290104, _1290106))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1290104, _1290106))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1290080, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(:)
   Exit: (211) [system] atomic(:)
^  Exit: (210) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1297604)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1299462)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1306272)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1308976)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1318368)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1322082)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1323940)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1332408)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1322082)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1337978)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1346446)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1350160)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1352018)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1360486)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1350160)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1370704)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1371638)
   Exit: (214) [system] peek_char((0x56051b6b4f40), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1375430, v('(', ')', end_of_file), o)
   Call: (214) [system] ')'==o
   Call: (214) [system] get_char((0x56051b6b4f40), o)
   Exit: (214) [system] get_char((0x56051b6b4f40), o)
   Call: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1380000)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1380934)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1384726, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1389296)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1390230)
   Exit: (216) [system] peek_char((0x56051b6b4f40), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_1394022, v('(', ')', end_of_file), j)
   Call: (216) [system] ')'==j
   Call: (216) [system] get_char((0x56051b6b4f40), j)
   Exit: (216) [system] get_char((0x56051b6b4f40), j)
   Call: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1398592)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1399526)
   Exit: (217) [system] peek_char((0x56051b6b4f40), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1403318, v('(', ')', end_of_file), u)
   Call: (217) [system] ')'==u
   Call: (217) [system] get_char((0x56051b6b4f40), u)
   Exit: (217) [system] get_char((0x56051b6b4f40), u)
   Call: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1407888)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1408822)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1412614, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1417184)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1418118)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1421910, v('(', ')', end_of_file), c)
   Call: (219) [system] ')'==c
   Call: (219) [system] get_char((0x56051b6b4f40), c)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1426480)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1427414)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1431206, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1435776)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1436710)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1440502, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1445072)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1446006)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1449798, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1454368)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1455302)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1459094, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1463664)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1464598)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_1468390, v('(', ')', end_of_file), 'I')
   Call: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (224) [system] get_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1472960)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1473894)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1477686, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1482256)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1483190)
   Exit: (226) [system] peek_char((0x56051b6b4f40), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1486982, v('(', ')', end_of_file), t)
   Call: (226) [system] ')'==t
   Call: (226) [system] get_char((0x56051b6b4f40), t)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1491552)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1492486)
   Exit: (227) [system] peek_char((0x56051b6b4f40), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1496278, v('(', ')', end_of_file), r)
   Call: (227) [system] ')'==r
   Call: (227) [system] get_char((0x56051b6b4f40), r)
   Exit: (227) [system] get_char((0x56051b6b4f40), r)
   Call: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1500848)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1501782)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1505574, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1510144)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1511078)
   Exit: (229) [system] peek_char((0x56051b6b4f40), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_1514870, v('(', ')', end_of_file), d)
   Call: (229) [system] ')'==d
   Call: (229) [system] get_char((0x56051b6b4f40), d)
   Exit: (229) [system] get_char((0x56051b6b4f40), d)
   Call: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1519440)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1520374)
   Exit: (230) [system] peek_char((0x56051b6b4f40), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1524166, v('(', ')', end_of_file), u)
   Call: (230) [system] ')'==u
   Call: (230) [system] get_char((0x56051b6b4f40), u)
   Exit: (230) [system] get_char((0x56051b6b4f40), u)
   Call: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1528736)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1529670)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1533462, v('(', ')', end_of_file), c)
   Call: (231) [system] ')'==c
   Call: (231) [system] get_char((0x56051b6b4f40), c)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1538032)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1538966)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1542758, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1547328)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1548262)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1552054, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1556624)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1557558)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1561350, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1565920)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1566854)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1570646, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1575216)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1576150)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1575216=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _1565920=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (234) [system] _1556624=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (233) [system] _1547328=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (232) [system] _1538032=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (231) [system] _1528736=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (230) [system] _1519440=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (229) [system] _1510144=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (228) [system] _1500848=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _1491552=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1482256=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1472960=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1463664=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1454368=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1445072=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1435776=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1426480=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1417184=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1407888=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1398592=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1389296=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1380000=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1370704=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1350160)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1646928, _1646930), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1350160), _1646904, fail)), '$restore_trace'(_1646928, _1646930))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1646928, _1646930))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1350160), _1646904, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1350160)
   Call: (214) [system] atom_chars(_1350160, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1655380)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1657238)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1664048)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1666752)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1676144)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1679858)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1681716)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1690184)
   Exit: (213) [system] get_char((0x56051b6b4f40), a)
   Call: (213) [system] a='('
   Call: (213) [system] a='['
   Call: (213) [system] a='{'
   Call: (213) [system] a='"'
   Call: (213) [system] a=!
   Call: (213) [system] a='\''
   Call: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), a, _1679858)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1700402)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1701336)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1700402=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq(a, [], _1679858)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1710646, _1710648), once(user:catch(read_from_chars([a], _1679858), _1710622, fail)), '$restore_trace'(_1710646, _1710648))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1710646, _1710648))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1710622, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1718146)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1720004)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1726814)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1729518)
   Exit: (215) [system] peek_char((0x56051b6b4f40), c)
   Call: (215) [system] c=(;)
^  Call: (215) [user] is_like_space(c)
   Call: (216) [system] char_type(c, 'white')
   Call: (216) [system] char_type(c, end_of_line)
   Call: (216) [system] char_type(c, space)
   Call: (216) [system] char_type(c, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1738910)
   Exit: (213) [system] peek_char((0x56051b6b4f40), c)
   Call: (213) [system] c=')'
   Call: (213) [system] c=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1742624)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1744482)
   Exit: (215) [system] peek_char((0x56051b6b4f40), c)
   Call: (215) [system] c=(;)
^  Call: (215) [user] is_like_space(c)
   Call: (216) [system] char_type(c, 'white')
   Call: (216) [system] char_type(c, end_of_line)
   Call: (216) [system] char_type(c, space)
   Call: (216) [system] char_type(c, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1752950)
   Exit: (214) [system] get_char((0x56051b6b4f40), c)
   Call: (214) [system] c='('
   Call: (214) [system] c='['
   Call: (214) [system] c='{'
   Call: (214) [system] c='"'
   Call: (214) [system] c=!
   Call: (214) [system] c='\''
   Call: (214) [system] c='`'
   Call: (214) [system] c=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), c, _1742624)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1763168)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1764102)
   Exit: (216) [system] peek_char((0x56051b6b4f40), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1767894, v('(', ')', end_of_file), d)
   Call: (216) [system] ')'==d
   Call: (216) [system] get_char((0x56051b6b4f40), d)
   Exit: (216) [system] get_char((0x56051b6b4f40), d)
   Call: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1772464)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1773398)
   Exit: (217) [system] peek_char((0x56051b6b4f40), e)
^  Call: (217) [user] is_delimiter(e)
   Call: (218) [system] char_type(e, space)
   Call: (218) [system] arg(_1777190, v('(', ')', end_of_file), e)
   Call: (217) [system] ')'==e
   Call: (217) [system] get_char((0x56051b6b4f40), e)
   Exit: (217) [system] get_char((0x56051b6b4f40), e)
   Call: (217) [system] e=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1781760)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1782694)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1786486, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1781760=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (217) [system] _1772464=[e]
   Exit: (217) [system] [e]=[e]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (216) [system] _1763168=[d, e]
   Exit: (216) [system] [d, e]=[d, e]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (215) [user] classify_and_convert_charseq(c, [d, e], _1742624)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1798536, _1798538), once(user:catch(read_from_chars([c, d, e], _1742624), _1798512, fail)), '$restore_trace'(_1798536, _1798538))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1798536, _1798538))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1798512, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(cde)
   Exit: (216) [system] atomic(cde)
^  Exit: (215) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1806036)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1807894)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1816362)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _1820152)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _1806036=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _1718146=[cde]
   Exit: (213) [system] [cde]=[cde]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (212) [system] _1655380=[a, cde]
   Exit: (212) [system] [a, cde]=[a, cde]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [a, cde])
   Call: (211) [system] _1322082=['ConjunctionIntroduction', a, cde]
   Exit: (211) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, cde])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, cde])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1834034)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1835892)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1842702)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1845406)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1854798)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1858512)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1860370)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1868838)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1858512)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1874408)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1882876)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1886590)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1888448)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1896916)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1886590)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1907134)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1908068)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1911860, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1916430)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1917364)
   Exit: (216) [system] peek_char((0x56051b6b4f40), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1921156, v('(', ')', end_of_file), d)
   Call: (216) [system] ')'==d
   Call: (216) [system] get_char((0x56051b6b4f40), d)
   Exit: (216) [system] get_char((0x56051b6b4f40), d)
   Call: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1925726)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1926660)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_1930452, v('(', ')', end_of_file), 'L')
   Call: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (217) [system] get_char((0x56051b6b4f40), 'L')
   Call: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1935022)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1935956)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1939748, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1944318)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1945252)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1949044, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1953614)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1954548)
   Exit: (220) [system] peek_char((0x56051b6b4f40), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_1958340, v('(', ')', end_of_file), k)
   Call: (220) [system] ')'==k
   Call: (220) [system] get_char((0x56051b6b4f40), k)
   Exit: (220) [system] get_char((0x56051b6b4f40), k)
   Call: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1962910)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1963844)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1962910=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1953614=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (219) [system] _1944318=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (218) [system] _1935022=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (217) [system] _1925726=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (216) [system] _1916430=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (215) [system] _1907134=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1886590)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1989918, _1989920), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1886590), _1989894, fail)), '$restore_trace'(_1989918, _1989920))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1989918, _1989920))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1886590), _1989894, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1886590)
   Call: (215) [system] atom_chars(_1886590, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1998370)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _2000228)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _2007038)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2009742)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _2019134)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _2022848)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2024706)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _2033174)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _2022848)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2043392)
   Call: (216) [system] peek_char((0x56051b6b4f40), _2044326)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _2043392=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('B', [], _2022848)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_2053636, _2053638), once(user:catch(read_from_chars(['B'], _2022848), _2053612, fail)), '$restore_trace'(_2053636, _2053638))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_2053636, _2053638))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2022848), _2053612, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_2022848)
   Call: (216) [system] atom_chars(_2022848, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _2062088)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2063946)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _2070756)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _2073460)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _2082852)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _2086566)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _2088424)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _4998)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _4994)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _10514)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'=(;)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _18982)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _22696)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _24554)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'=(;)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _33022)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _22696)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _43240)
   Call: (219) [system] peek_char((0x56051b6b4f40), _44174)
   Exit: (219) [system] peek_char((0x56051b6b4f40), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_47966, v('(', ')', end_of_file), m)
   Call: (219) [system] ')'==m
   Call: (219) [system] get_char((0x56051b6b4f40), m)
   Exit: (219) [system] get_char((0x56051b6b4f40), m)
   Call: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _52536)
   Call: (220) [system] peek_char((0x56051b6b4f40), _53470)
   Exit: (220) [system] peek_char((0x56051b6b4f40), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_57262, v('(', ')', end_of_file), p)
   Call: (220) [system] ')'==p
   Call: (220) [system] get_char((0x56051b6b4f40), p)
   Exit: (220) [system] get_char((0x56051b6b4f40), p)
   Call: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _61832)
   Call: (221) [system] peek_char((0x56051b6b4f40), _62766)
   Exit: (221) [system] peek_char((0x56051b6b4f40), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_66558, v('(', ')', end_of_file), l)
   Call: (221) [system] ')'==l
   Call: (221) [system] get_char((0x56051b6b4f40), l)
   Exit: (221) [system] get_char((0x56051b6b4f40), l)
   Call: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _71128)
   Call: (222) [system] peek_char((0x56051b6b4f40), _72062)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_75854, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _80424)
   Call: (223) [system] peek_char((0x56051b6b4f40), _81358)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_85150, v('(', ')', end_of_file), c)
   Call: (223) [system] ')'==c
   Call: (223) [system] get_char((0x56051b6b4f40), c)
   Exit: (223) [system] get_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _89720)
   Call: (224) [system] peek_char((0x56051b6b4f40), _90654)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_94446, v('(', ')', end_of_file), a)
   Call: (224) [system] ')'==a
   Call: (224) [system] get_char((0x56051b6b4f40), a)
   Exit: (224) [system] get_char((0x56051b6b4f40), a)
   Call: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _99016)
   Call: (225) [system] peek_char((0x56051b6b4f40), _99950)
   Exit: (225) [system] peek_char((0x56051b6b4f40), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_103742, v('(', ')', end_of_file), t)
   Call: (225) [system] ')'==t
   Call: (225) [system] get_char((0x56051b6b4f40), t)
   Exit: (225) [system] get_char((0x56051b6b4f40), t)
   Call: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _108312)
   Call: (226) [system] peek_char((0x56051b6b4f40), _109246)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_113038, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _117608)
   Call: (227) [system] peek_char((0x56051b6b4f40), _118542)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_122334, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _126904)
   Call: (228) [system] peek_char((0x56051b6b4f40), _127838)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_131630, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _136200)
   Call: (229) [system] peek_char((0x56051b6b4f40), _137134)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _136200=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _126904=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (227) [system] _117608=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (226) [system] _108312=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (225) [system] _99016=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (224) [system] _89720=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (223) [system] _80424=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (222) [system] _71128=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (221) [system] _61832=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _52536=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _43240=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _22696)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_174384, _174386), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _22696), _174360, fail)), '$restore_trace'(_174384, _174386))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_174384, _174386))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _22696), _174360, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_22696)
   Call: (219) [system] atom_chars(_22696, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _182836)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _184694)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _191504)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _194208)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _203600)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _207314)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _209172)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _217640)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _207314)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _223210)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _231678)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _235392)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _237250)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _245718)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _235392)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _255936)
   Call: (222) [system] peek_char((0x56051b6b4f40), _256870)
   Exit: (222) [system] peek_char((0x56051b6b4f40), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_260662, v('(', ')', end_of_file), r)
   Call: (222) [system] ')'==r
   Call: (222) [system] get_char((0x56051b6b4f40), r)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _265232)
   Call: (223) [system] peek_char((0x56051b6b4f40), _266166)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_269958, v('(', ')', end_of_file), 'L')
   Call: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (223) [system] get_char((0x56051b6b4f40), 'L')
   Call: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _274528)
   Call: (224) [system] peek_char((0x56051b6b4f40), _275462)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_279254, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _283824)
   Call: (225) [system] peek_char((0x56051b6b4f40), _284758)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_288550, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293120)
   Call: (226) [system] peek_char((0x56051b6b4f40), _294054)
   Exit: (226) [system] peek_char((0x56051b6b4f40), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_297846, v('(', ')', end_of_file), k)
   Call: (226) [system] ')'==k
   Call: (226) [system] get_char((0x56051b6b4f40), k)
   Exit: (226) [system] get_char((0x56051b6b4f40), k)
   Call: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _302416)
   Call: (227) [system] peek_char((0x56051b6b4f40), _303350)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _302416=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _293120=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (225) [system] _283824=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (224) [system] _274528=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (223) [system] _265232=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (222) [system] _255936=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _235392)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_326630, _326632), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _235392), _326606, fail)), '$restore_trace'(_326630, _326632))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_326630, _326632))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _235392), _326606, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_235392)
   Call: (222) [system] atom_chars(_235392, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _335082)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _336940)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _343750)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _346454)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _355846)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _359560)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _361418)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _369886)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'C')
   Call: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _359560)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _380104)
   Call: (223) [system] peek_char((0x56051b6b4f40), _381038)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _380104=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('C', [], _359560)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_390348, _390350), once(user:catch(read_from_chars(['C'], _359560), _390324, fail)), '$restore_trace'(_390348, _390350))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_390348, _390350))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _359560), _390324, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_359560)
   Call: (223) [system] atom_chars(_359560, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _398800)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _400658)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _407468)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _410172)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _419564)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _423278)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _425136)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _433604)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _423278)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _443822)
   Call: (224) [system] peek_char((0x56051b6b4f40), _444756)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_448548, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _443822=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq('D', [], _423278)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_455010, _455012), once(user:catch(read_from_chars(['D'], _423278), _454986, fail)), '$restore_trace'(_455010, _455012))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_455010, _455012))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _423278), _454986, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_423278)
   Call: (224) [system] atom_chars(_423278, ['D'])
   Exit: (224) [system] atom_chars('D', ['D'])
^  Exit: (223) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _463462)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _465320)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _473788)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _477578)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _463462=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _398800=['D']
   Exit: (221) [system] ['D']=['D']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (220) [system] _335082=['C', 'D']
   Exit: (220) [system] ['C', 'D']=['C', 'D']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (219) [system] _207314=['OrLink', 'C', 'D']
   Exit: (219) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _491460)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _493318)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _500128)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _502832)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (220) [system] 'E'=(;)
^  Call: (220) [user] is_like_space('E')
   Call: (221) [system] char_type('E', 'white')
   Call: (221) [system] char_type('E', end_of_line)
   Call: (221) [system] char_type('E', space)
   Call: (221) [system] char_type('E', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _512224)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (218) [system] 'E'=')'
   Call: (218) [system] 'E'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _515938)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _517796)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (220) [system] 'E'=(;)
^  Call: (220) [user] is_like_space('E')
   Call: (221) [system] char_type('E', 'white')
   Call: (221) [system] char_type('E', end_of_line)
   Call: (221) [system] char_type('E', space)
   Call: (221) [system] char_type('E', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _526264)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'E')
   Call: (219) [system] 'E'='('
   Call: (219) [system] 'E'='['
   Call: (219) [system] 'E'='{'
   Call: (219) [system] 'E'='"'
   Call: (219) [system] 'E'=!
   Call: (219) [system] 'E'='\''
   Call: (219) [system] 'E'='`'
   Call: (219) [system] 'E'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _515938)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _536482)
   Call: (221) [system] peek_char((0x56051b6b4f40), _537416)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_541208, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _536482=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (220) [user] classify_and_convert_charseq('E', [], _515938)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_547670, _547672), once(user:catch(read_from_chars(['E'], _515938), _547646, fail)), '$restore_trace'(_547670, _547672))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_547670, _547672))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _515938), _547646, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_515938)
   Call: (221) [system] atom_chars(_515938, ['E'])
   Exit: (221) [system] atom_chars('E', ['E'])
^  Exit: (220) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _556122)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _557980)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _566448)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _570238)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _556122=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _491460=['E']
   Exit: (218) [system] ['E']=['E']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (217) [system] _182836=[['OrLink', 'C', 'D'], 'E']
   Exit: (217) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (216) [system] _4994=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (216) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _584120)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _585978)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _594446)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _598236)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _584120=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _4990=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (214) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (213) [system] _4984=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (213) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (212) [system] _4976=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (212) [system] ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _612118)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _613976)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _622444)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _626234)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _612118=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _4972=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (210) [system] [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (209) [system] _4948=[['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (209) [system] [['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (208) [system] _4940=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (208) [system] [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _640116)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _641974)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (208) [system] '\n'=(;)
^  Call: (208) [user] is_like_space('\n')
   Call: (209) [system] char_type('\n', 'white')
   Call: (209) [system] char_type('\n', end_of_line)
   Exit: (209) [system] char_type('\n', end_of_line)
^  Exit: (208) [user] is_like_space('\n')
   Call: (208) [system] get_char((0x56051b6b4f40), _649590)
   Exit: (208) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _652294)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (209) [system] '\t'=(;)
^  Call: (209) [user] is_like_space('\t')
   Call: (210) [system] char_type('\t', 'white')
   Exit: (210) [system] char_type('\t', 'white')
^  Exit: (209) [user] is_like_space('\t')
   Call: (209) [system] get_char((0x56051b6b4f40), _659104)
   Exit: (209) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _661808)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (210) [system] '\t'=(;)
^  Call: (210) [user] is_like_space('\t')
   Call: (211) [system] char_type('\t', 'white')
   Exit: (211) [system] char_type('\t', 'white')
^  Exit: (210) [user] is_like_space('\t')
   Call: (210) [system] get_char((0x56051b6b4f40), _668618)
   Exit: (210) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _671322)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _678132)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _680836)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _693000)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _696714)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _698572)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _707040)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _696714)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _712610)
   Exit: (210) [system] peek_char((0x56051b6b4f40), :)
   Call: (210) [system] (:)=(;)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _721078)
   Exit: (209) [system] peek_char((0x56051b6b4f40), :)
   Call: (209) [system] (:)=')'
   Call: (209) [system] (:)=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _724792)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _726650)
   Exit: (211) [system] peek_char((0x56051b6b4f40), :)
   Call: (211) [system] (:)=(;)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _735118)
   Exit: (210) [system] get_char((0x56051b6b4f40), :)
   Call: (210) [system] (:)='('
   Call: (210) [system] (:)='['
   Call: (210) [system] (:)='{'
   Call: (210) [system] (:)='"'
   Call: (210) [system] (:)=!
   Call: (210) [system] (:)='\''
   Call: (210) [system] (:)='`'
   Call: (210) [system] (:)=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), :, _724792)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _745336)
   Call: (212) [system] peek_char((0x56051b6b4f40), _746270)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _745336=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq(:, [], _724792)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_755580, _755582), once(user:catch(read_from_chars([:], _724792), _755556, fail)), '$restore_trace'(_755580, _755582))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_755580, _755582))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _755556, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(:)
   Exit: (212) [system] atomic(:)
^  Exit: (211) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _763080)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _764938)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _771748)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _774452)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _783844)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _787558)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _789416)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _797884)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _787558)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _803454)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _811922)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _815636)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _817494)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _825962)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _815636)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _836180)
   Call: (215) [system] peek_char((0x56051b6b4f40), _837114)
   Exit: (215) [system] peek_char((0x56051b6b4f40), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_840906, v('(', ')', end_of_file), o)
   Call: (215) [system] ')'==o
   Call: (215) [system] get_char((0x56051b6b4f40), o)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _845476)
   Call: (216) [system] peek_char((0x56051b6b4f40), _846410)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_850202, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _854772)
   Call: (217) [system] peek_char((0x56051b6b4f40), _855706)
   Exit: (217) [system] peek_char((0x56051b6b4f40), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_859498, v('(', ')', end_of_file), j)
   Call: (217) [system] ')'==j
   Call: (217) [system] get_char((0x56051b6b4f40), j)
   Exit: (217) [system] get_char((0x56051b6b4f40), j)
   Call: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _864068)
   Call: (218) [system] peek_char((0x56051b6b4f40), _865002)
   Exit: (218) [system] peek_char((0x56051b6b4f40), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_868794, v('(', ')', end_of_file), u)
   Call: (218) [system] ')'==u
   Call: (218) [system] get_char((0x56051b6b4f40), u)
   Exit: (218) [system] get_char((0x56051b6b4f40), u)
   Call: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _873364)
   Call: (219) [system] peek_char((0x56051b6b4f40), _874298)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_878090, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _882660)
   Call: (220) [system] peek_char((0x56051b6b4f40), _883594)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_887386, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _891956)
   Call: (221) [system] peek_char((0x56051b6b4f40), _892890)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_896682, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _901252)
   Call: (222) [system] peek_char((0x56051b6b4f40), _902186)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_905978, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _910548)
   Call: (223) [system] peek_char((0x56051b6b4f40), _911482)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_915274, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _919844)
   Call: (224) [system] peek_char((0x56051b6b4f40), _920778)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_924570, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _929140)
   Call: (225) [system] peek_char((0x56051b6b4f40), _930074)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_933866, v('(', ')', end_of_file), 'I')
   Call: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (225) [system] get_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _938436)
   Call: (226) [system] peek_char((0x56051b6b4f40), _939370)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_943162, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _947732)
   Call: (227) [system] peek_char((0x56051b6b4f40), _948666)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_952458, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _957028)
   Call: (228) [system] peek_char((0x56051b6b4f40), _957962)
   Exit: (228) [system] peek_char((0x56051b6b4f40), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_961754, v('(', ')', end_of_file), r)
   Call: (228) [system] ')'==r
   Call: (228) [system] get_char((0x56051b6b4f40), r)
   Exit: (228) [system] get_char((0x56051b6b4f40), r)
   Call: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _966324)
   Call: (229) [system] peek_char((0x56051b6b4f40), _967258)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_971050, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _975620)
   Call: (230) [system] peek_char((0x56051b6b4f40), _976554)
   Exit: (230) [system] peek_char((0x56051b6b4f40), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_980346, v('(', ')', end_of_file), d)
   Call: (230) [system] ')'==d
   Call: (230) [system] get_char((0x56051b6b4f40), d)
   Exit: (230) [system] get_char((0x56051b6b4f40), d)
   Call: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _984916)
   Call: (231) [system] peek_char((0x56051b6b4f40), _985850)
   Exit: (231) [system] peek_char((0x56051b6b4f40), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_989642, v('(', ')', end_of_file), u)
   Call: (231) [system] ')'==u
   Call: (231) [system] get_char((0x56051b6b4f40), u)
   Exit: (231) [system] get_char((0x56051b6b4f40), u)
   Call: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _994212)
   Call: (232) [system] peek_char((0x56051b6b4f40), _995146)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_998938, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1003508)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1004442)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1008234, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1012804)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1013738)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1017530, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1022100)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1023034)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1026826, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1031396)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1032330)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1036122, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1040692)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1041626)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1040692=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1031396=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (235) [system] _1022100=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (234) [system] _1012804=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (233) [system] _1003508=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (232) [system] _994212=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (231) [system] _984916=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (230) [system] _975620=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (229) [system] _966324=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _957028=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _947732=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _938436=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _929140=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _919844=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _910548=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _901252=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _891956=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _882660=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _873364=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _864068=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _854772=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _845476=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _836180=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _815636)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1112404, _1112406), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _815636), _1112380, fail)), '$restore_trace'(_1112404, _1112406))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1112404, _1112406))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _815636), _1112380, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_815636)
   Call: (215) [system] atom_chars(_815636, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1120856)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1122714)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1129524)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1132228)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1141620)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1145334)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1147192)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1155660)
   Exit: (214) [system] get_char((0x56051b6b4f40), a)
   Call: (214) [system] a='('
   Call: (214) [system] a='['
   Call: (214) [system] a='{'
   Call: (214) [system] a='"'
   Call: (214) [system] a=!
   Call: (214) [system] a='\''
   Call: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), a, _1145334)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1165878)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1166812)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1165878=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq(a, [], _1145334)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1176122, _1176124), once(user:catch(read_from_chars([a], _1145334), _1176098, fail)), '$restore_trace'(_1176122, _1176124))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1176122, _1176124))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1176098, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1183622)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1185480)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _1192290)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1194994)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1204386)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1208100)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1209958)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1218426)
   Exit: (215) [system] get_char((0x56051b6b4f40), a)
   Call: (215) [system] a='('
   Call: (215) [system] a='['
   Call: (215) [system] a='{'
   Call: (215) [system] a='"'
   Call: (215) [system] a=!
   Call: (215) [system] a='\''
   Call: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), a, _1208100)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1228644)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1229578)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_1233370, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _1228644=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq(a, [], _1208100)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1239832, _1239834), once(user:catch(read_from_chars([a], _1208100), _1239808, fail)), '$restore_trace'(_1239832, _1239834))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1239832, _1239834))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1239808, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1247332)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1249190)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1257658)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _1261448)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _1247332=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1183622=[a]
   Exit: (214) [system] [a]=[a]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (213) [system] _1120856=[a, a]
   Exit: (213) [system] [a, a]=[a, a]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (212) [system] _787558=['ConjunctionIntroduction', a, a]
   Exit: (212) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1275330)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1277188)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1283998)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1286702)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1296094)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1299808)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1301666)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1310134)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1299808)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1315704)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1324172)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1327886)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1329744)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1338212)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1327886)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1348430)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1349364)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1353156, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1357726)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1358660)
   Exit: (217) [system] peek_char((0x56051b6b4f40), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1362452, v('(', ')', end_of_file), d)
   Call: (217) [system] ')'==d
   Call: (217) [system] get_char((0x56051b6b4f40), d)
   Exit: (217) [system] get_char((0x56051b6b4f40), d)
   Call: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1367022)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1367956)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1371748, v('(', ')', end_of_file), 'L')
   Call: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (218) [system] get_char((0x56051b6b4f40), 'L')
   Call: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1376318)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1377252)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1381044, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1385614)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1386548)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1390340, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1394910)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1395844)
   Exit: (221) [system] peek_char((0x56051b6b4f40), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1399636, v('(', ')', end_of_file), k)
   Call: (221) [system] ')'==k
   Call: (221) [system] get_char((0x56051b6b4f40), k)
   Exit: (221) [system] get_char((0x56051b6b4f40), k)
   Call: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1404206)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1405140)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1404206=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _1394910=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (220) [system] _1385614=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (219) [system] _1376318=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (218) [system] _1367022=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (217) [system] _1357726=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (216) [system] _1348430=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1327886)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1431214, _1431216), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1327886), _1431190, fail)), '$restore_trace'(_1431214, _1431216))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1431214, _1431216))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1327886), _1431190, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1327886)
   Call: (216) [system] atom_chars(_1327886, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1439666)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1441524)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _1448334)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1451038)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1460430)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1464144)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1466002)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1474470)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1464144)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1484688)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1485622)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1484688=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq('B', [], _1464144)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1494932, _1494934), once(user:catch(read_from_chars(['B'], _1464144), _1494908, fail)), '$restore_trace'(_1494932, _1494934))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1494932, _1494934))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1464144), _1494908, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1464144)
   Call: (217) [system] atom_chars(_1464144, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1503384)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1505242)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1512052)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1514756)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1524148)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1527862)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1529720)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1538188)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1527862)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1548406)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1549340)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1553132, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1548406=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('A', [], _1527862)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1559594, _1559596), once(user:catch(read_from_chars(['A'], _1527862), _1559570, fail)), '$restore_trace'(_1559594, _1559596))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1559594, _1559596))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1527862), _1559570, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1527862)
   Call: (218) [system] atom_chars(_1527862, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1568046)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1569904)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1578372)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _1582162)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _1568046=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1503384=['A']
   Exit: (215) [system] ['A']=['A']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (214) [system] _1439666=['B', 'A']
   Exit: (214) [system] ['B', 'A']=['B', 'A']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['B', 'A'])
   Call: (213) [system] _1299808=['AndLink', 'B', 'A']
   Exit: (213) [system] ['AndLink', 'B', 'A']=['AndLink', 'B', 'A']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'B', 'A'])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'B', 'A'])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1596044)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1597902)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1606370)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _1610160)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _1596044=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _1275330=[['AndLink', 'B', 'A']]
   Exit: (211) [system] [['AndLink', 'B', 'A']]=[['AndLink', 'B', 'A']]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'B', 'A']])
   Call: (210) [system] _763080=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
   Exit: (210) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
   Call: (209) [system] _696714=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
   Exit: (209) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1624042)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1625900)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (209) [system] '\n'=(;)
^  Call: (209) [user] is_like_space('\n')
   Call: (210) [system] char_type('\n', 'white')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
^  Exit: (209) [user] is_like_space('\n')
   Call: (209) [system] get_char((0x56051b6b4f40), _1633516)
   Exit: (209) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1636220)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (210) [system] '\t'=(;)
^  Call: (210) [user] is_like_space('\t')
   Call: (211) [system] char_type('\t', 'white')
   Exit: (211) [system] char_type('\t', 'white')
^  Exit: (210) [user] is_like_space('\t')
   Call: (210) [system] get_char((0x56051b6b4f40), _1643030)
   Exit: (210) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1645734)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (211) [system] '\t'=(;)
^  Call: (211) [user] is_like_space('\t')
   Call: (212) [system] char_type('\t', 'white')
   Exit: (212) [system] char_type('\t', 'white')
^  Exit: (211) [user] is_like_space('\t')
   Call: (211) [system] get_char((0x56051b6b4f40), _1652544)
   Exit: (211) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1655248)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1662058)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1664762)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1676926)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1680640)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1682498)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1690966)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1680640)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1696536)
   Exit: (211) [system] peek_char((0x56051b6b4f40), :)
   Call: (211) [system] (:)=(;)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1705004)
   Exit: (210) [system] peek_char((0x56051b6b4f40), :)
   Call: (210) [system] (:)=')'
   Call: (210) [system] (:)=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1708718)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1710576)
   Exit: (212) [system] peek_char((0x56051b6b4f40), :)
   Call: (212) [system] (:)=(;)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1719044)
   Exit: (211) [system] get_char((0x56051b6b4f40), :)
   Call: (211) [system] (:)='('
   Call: (211) [system] (:)='['
   Call: (211) [system] (:)='{'
   Call: (211) [system] (:)='"'
   Call: (211) [system] (:)=!
   Call: (211) [system] (:)='\''
   Call: (211) [system] (:)='`'
   Call: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), :, _1708718)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1729262)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1730196)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1729262=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq(:, [], _1708718)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1739506, _1739508), once(user:catch(read_from_chars([:], _1708718), _1739482, fail)), '$restore_trace'(_1739506, _1739508))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1739506, _1739508))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1739482, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(:)
   Exit: (213) [system] atomic(:)
^  Exit: (212) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1747006)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1748864)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1755674)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1758378)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1767770)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1771484)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1773342)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1781810)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1771484)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1787380)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1795848)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1799562)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1801420)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1809888)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1799562)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1820106)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1821040)
   Exit: (216) [system] peek_char((0x56051b6b4f40), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1824832, v('(', ')', end_of_file), o)
   Call: (216) [system] ')'==o
   Call: (216) [system] get_char((0x56051b6b4f40), o)
   Exit: (216) [system] get_char((0x56051b6b4f40), o)
   Call: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1829402)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1830336)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1834128, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1838698)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1839632)
   Exit: (218) [system] peek_char((0x56051b6b4f40), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_1843424, v('(', ')', end_of_file), j)
   Call: (218) [system] ')'==j
   Call: (218) [system] get_char((0x56051b6b4f40), j)
   Exit: (218) [system] get_char((0x56051b6b4f40), j)
   Call: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1847994)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1848928)
   Exit: (219) [system] peek_char((0x56051b6b4f40), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1852720, v('(', ')', end_of_file), u)
   Call: (219) [system] ')'==u
   Call: (219) [system] get_char((0x56051b6b4f40), u)
   Exit: (219) [system] get_char((0x56051b6b4f40), u)
   Call: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1857290)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1858224)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1862016, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1866586)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1867520)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1871312, v('(', ')', end_of_file), c)
   Call: (221) [system] ')'==c
   Call: (221) [system] get_char((0x56051b6b4f40), c)
   Exit: (221) [system] get_char((0x56051b6b4f40), c)
   Call: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1875882)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1876816)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1880608, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1885178)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1886112)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1889904, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1894474)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1895408)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1899200, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1903770)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1904704)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1908496, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1913066)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1914000)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_1917792, v('(', ')', end_of_file), 'I')
   Call: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (226) [system] get_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1922362)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1923296)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1927088, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1931658)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1932592)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1936384, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1940954)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1941888)
   Exit: (229) [system] peek_char((0x56051b6b4f40), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1945680, v('(', ')', end_of_file), r)
   Call: (229) [system] ')'==r
   Call: (229) [system] get_char((0x56051b6b4f40), r)
   Exit: (229) [system] get_char((0x56051b6b4f40), r)
   Call: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1950250)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1951184)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1954976, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959546)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1960480)
   Exit: (231) [system] peek_char((0x56051b6b4f40), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_1964272, v('(', ')', end_of_file), d)
   Call: (231) [system] ')'==d
   Call: (231) [system] get_char((0x56051b6b4f40), d)
   Exit: (231) [system] get_char((0x56051b6b4f40), d)
   Call: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1968842)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1969776)
   Exit: (232) [system] peek_char((0x56051b6b4f40), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1973568, v('(', ')', end_of_file), u)
   Call: (232) [system] ')'==u
   Call: (232) [system] get_char((0x56051b6b4f40), u)
   Exit: (232) [system] get_char((0x56051b6b4f40), u)
   Call: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1978138)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1979072)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1982864, v('(', ')', end_of_file), c)
   Call: (233) [system] ')'==c
   Call: (233) [system] get_char((0x56051b6b4f40), c)
   Exit: (233) [system] get_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1987434)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1988368)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1992160, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1996730)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1997664)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_2001456, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2006026)
   Call: (236) [system] peek_char((0x56051b6b4f40), _2006960)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_2010752, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2015322)
   Call: (237) [system] peek_char((0x56051b6b4f40), _2016256)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_2020048, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2024618)
   Call: (238) [system] peek_char((0x56051b6b4f40), _2025552)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _2024618=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _2015322=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (236) [system] _2006026=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (235) [system] _1996730=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (234) [system] _1987434=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (233) [system] _1978138=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (232) [system] _1968842=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (231) [system] _1959546=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (230) [system] _1950250=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _1940954=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1931658=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1922362=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1913066=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1903770=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1894474=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1885178=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1875882=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1866586=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1857290=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1847994=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1838698=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1829402=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1820106=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1799562)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_5282, _5284), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5114), _5258, fail)), '$restore_trace'(_5282, _5284))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_5282, _5284))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5114), _5258, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_5114)
   Call: (216) [system] atom_chars(_5114, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _13324)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _15182)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _21992)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _24696)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _34088)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _37802)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _39660)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _48128)
   Exit: (215) [system] get_char((0x56051b6b4f40), a)
   Call: (215) [system] a='('
   Call: (215) [system] a='['
   Call: (215) [system] a='{'
   Call: (215) [system] a='"'
   Call: (215) [system] a=!
   Call: (215) [system] a='\''
   Call: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), a, _37802)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _58346)
   Call: (217) [system] peek_char((0x56051b6b4f40), _59280)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _58346=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq(a, [], _37802)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_68590, _68592), once(user:catch(read_from_chars([a], _37802), _68566, fail)), '$restore_trace'(_68590, _68592))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_68590, _68592))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _68566, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _76090)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _77948)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _84758)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _87462)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _96854)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _100568)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _102426)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _110894)
   Exit: (216) [system] get_char((0x56051b6b4f40), a)
   Call: (216) [system] a='('
   Call: (216) [system] a='['
   Call: (216) [system] a='{'
   Call: (216) [system] a='"'
   Call: (216) [system] a=!
   Call: (216) [system] a='\''
   Call: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), a, _100568)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _121112)
   Call: (218) [system] peek_char((0x56051b6b4f40), _122046)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_125838, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _121112=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq(a, [], _100568)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_132300, _132302), once(user:catch(read_from_chars([a], _100568), _132276, fail)), '$restore_trace'(_132300, _132302))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_132300, _132302))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _132276, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _139800)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _141658)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _150126)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _153916)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _139800=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _76090=[a]
   Exit: (215) [system] [a]=[a]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (214) [system] _13324=[a, a]
   Exit: (214) [system] [a, a]=[a, a]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (213) [system] _5108=['ConjunctionIntroduction', a, a]
   Exit: (213) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _167798)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _169656)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _176466)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _179170)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _188562)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _192276)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _194134)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _202602)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _192276)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _208172)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _216640)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _220354)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _222212)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _230680)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _220354)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _240898)
   Call: (217) [system] peek_char((0x56051b6b4f40), _241832)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_245624, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _250194)
   Call: (218) [system] peek_char((0x56051b6b4f40), _251128)
   Exit: (218) [system] peek_char((0x56051b6b4f40), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_254920, v('(', ')', end_of_file), d)
   Call: (218) [system] ')'==d
   Call: (218) [system] get_char((0x56051b6b4f40), d)
   Exit: (218) [system] get_char((0x56051b6b4f40), d)
   Call: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _259490)
   Call: (219) [system] peek_char((0x56051b6b4f40), _260424)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_264216, v('(', ')', end_of_file), 'L')
   Call: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'L')
   Call: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _268786)
   Call: (220) [system] peek_char((0x56051b6b4f40), _269720)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_273512, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _278082)
   Call: (221) [system] peek_char((0x56051b6b4f40), _279016)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_282808, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _287378)
   Call: (222) [system] peek_char((0x56051b6b4f40), _288312)
   Exit: (222) [system] peek_char((0x56051b6b4f40), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_292104, v('(', ')', end_of_file), k)
   Call: (222) [system] ')'==k
   Call: (222) [system] get_char((0x56051b6b4f40), k)
   Exit: (222) [system] get_char((0x56051b6b4f40), k)
   Call: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _296674)
   Call: (223) [system] peek_char((0x56051b6b4f40), _297608)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _296674=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _287378=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (221) [system] _278082=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (220) [system] _268786=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (219) [system] _259490=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (218) [system] _250194=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (217) [system] _240898=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _220354)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_323682, _323684), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _220354), _323658, fail)), '$restore_trace'(_323682, _323684))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_323682, _323684))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _220354), _323658, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_220354)
   Call: (217) [system] atom_chars(_220354, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _332134)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _333992)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _340802)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _343506)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _352898)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _356612)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _358470)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _366938)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _356612)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _377156)
   Call: (218) [system] peek_char((0x56051b6b4f40), _378090)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _377156=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('B', [], _356612)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_387400, _387402), once(user:catch(read_from_chars(['B'], _356612), _387376, fail)), '$restore_trace'(_387400, _387402))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_387400, _387402))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _356612), _387376, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_356612)
   Call: (218) [system] atom_chars(_356612, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _395852)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _397710)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _404520)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _407224)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _416616)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _420330)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _422188)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _430656)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _420330)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _440874)
   Call: (219) [system] peek_char((0x56051b6b4f40), _441808)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_445600, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _440874=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq('B', [], _420330)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_452062, _452064), once(user:catch(read_from_chars(['B'], _420330), _452038, fail)), '$restore_trace'(_452062, _452064))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_452062, _452064))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _420330), _452038, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_420330)
   Call: (219) [system] atom_chars(_420330, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _460514)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _462372)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _470840)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _474630)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _460514=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _395852=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (215) [system] _332134=['B', 'B']
   Exit: (215) [system] ['B', 'B']=['B', 'B']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['B', 'B'])
   Call: (214) [system] _192276=['AndLink', 'B', 'B']
   Exit: (214) [system] ['AndLink', 'B', 'B']=['AndLink', 'B', 'B']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'B', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'B', 'B'])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _488512)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _490370)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _498838)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _502628)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _488512=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _167798=[['AndLink', 'B', 'B']]
   Exit: (212) [system] [['AndLink', 'B', 'B']]=[['AndLink', 'B', 'B']]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'B', 'B']])
   Call: (211) [system] _5104=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
   Exit: (211) [system] [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]=[['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
   Call: (210) [system] _5096=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
   Exit: (210) [system] [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]=[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _516510)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _518368)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (210) [system] '\n'=(;)
^  Call: (210) [user] is_like_space('\n')
   Call: (211) [system] char_type('\n', 'white')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
^  Exit: (210) [user] is_like_space('\n')
   Call: (210) [system] get_char((0x56051b6b4f40), _525984)
   Exit: (210) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _528688)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (211) [system] '\t'=(;)
^  Call: (211) [user] is_like_space('\t')
   Call: (212) [system] char_type('\t', 'white')
   Exit: (212) [system] char_type('\t', 'white')
^  Exit: (211) [user] is_like_space('\t')
   Call: (211) [system] get_char((0x56051b6b4f40), _535498)
   Exit: (211) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _538202)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (212) [system] '\t'=(;)
^  Call: (212) [user] is_like_space('\t')
   Call: (213) [system] char_type('\t', 'white')
   Exit: (213) [system] char_type('\t', 'white')
^  Exit: (212) [user] is_like_space('\t')
   Call: (212) [system] get_char((0x56051b6b4f40), _545012)
   Exit: (212) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _547716)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _554526)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _557230)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _569394)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _573108)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _574966)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _583434)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _573108)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _589004)
   Exit: (212) [system] peek_char((0x56051b6b4f40), :)
   Call: (212) [system] (:)=(;)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _597472)
   Exit: (211) [system] peek_char((0x56051b6b4f40), :)
   Call: (211) [system] (:)=')'
   Call: (211) [system] (:)=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _601186)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _603044)
   Exit: (213) [system] peek_char((0x56051b6b4f40), :)
   Call: (213) [system] (:)=(;)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _611512)
   Exit: (212) [system] get_char((0x56051b6b4f40), :)
   Call: (212) [system] (:)='('
   Call: (212) [system] (:)='['
   Call: (212) [system] (:)='{'
   Call: (212) [system] (:)='"'
   Call: (212) [system] (:)=!
   Call: (212) [system] (:)='\''
   Call: (212) [system] (:)='`'
   Call: (212) [system] (:)=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), :, _601186)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _621730)
   Call: (214) [system] peek_char((0x56051b6b4f40), _622664)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _621730=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq(:, [], _601186)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_631974, _631976), once(user:catch(read_from_chars([:], _601186), _631950, fail)), '$restore_trace'(_631974, _631976))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_631974, _631976))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _631950, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(:)
   Exit: (214) [system] atomic(:)
^  Exit: (213) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _639474)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _641332)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _648142)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _650846)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _660238)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _663952)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _665810)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _674278)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _663952)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _679848)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _688316)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _692030)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _693888)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _702356)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _692030)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _712574)
   Call: (217) [system] peek_char((0x56051b6b4f40), _713508)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_717300, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _721870)
   Call: (218) [system] peek_char((0x56051b6b4f40), _722804)
   Exit: (218) [system] peek_char((0x56051b6b4f40), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_726596, v('(', ')', end_of_file), s)
   Call: (218) [system] ')'==s
   Call: (218) [system] get_char((0x56051b6b4f40), s)
   Exit: (218) [system] get_char((0x56051b6b4f40), s)
   Call: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _731166)
   Call: (219) [system] peek_char((0x56051b6b4f40), _732100)
   Exit: (219) [system] peek_char((0x56051b6b4f40), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_735892, v('(', ')', end_of_file), j)
   Call: (219) [system] ')'==j
   Call: (219) [system] get_char((0x56051b6b4f40), j)
   Exit: (219) [system] get_char((0x56051b6b4f40), j)
   Call: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _740462)
   Call: (220) [system] peek_char((0x56051b6b4f40), _741396)
   Exit: (220) [system] peek_char((0x56051b6b4f40), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_745188, v('(', ')', end_of_file), u)
   Call: (220) [system] ')'==u
   Call: (220) [system] get_char((0x56051b6b4f40), u)
   Exit: (220) [system] get_char((0x56051b6b4f40), u)
   Call: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _749758)
   Call: (221) [system] peek_char((0x56051b6b4f40), _750692)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_754484, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _759054)
   Call: (222) [system] peek_char((0x56051b6b4f40), _759988)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_763780, v('(', ')', end_of_file), c)
   Call: (222) [system] ')'==c
   Call: (222) [system] get_char((0x56051b6b4f40), c)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _768350)
   Call: (223) [system] peek_char((0x56051b6b4f40), _769284)
   Exit: (223) [system] peek_char((0x56051b6b4f40), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_773076, v('(', ')', end_of_file), t)
   Call: (223) [system] ')'==t
   Call: (223) [system] get_char((0x56051b6b4f40), t)
   Exit: (223) [system] get_char((0x56051b6b4f40), t)
   Call: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _777646)
   Call: (224) [system] peek_char((0x56051b6b4f40), _778580)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_782372, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _786942)
   Call: (225) [system] peek_char((0x56051b6b4f40), _787876)
   Exit: (225) [system] peek_char((0x56051b6b4f40), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_791668, v('(', ')', end_of_file), o)
   Call: (225) [system] ')'==o
   Call: (225) [system] get_char((0x56051b6b4f40), o)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _796238)
   Call: (226) [system] peek_char((0x56051b6b4f40), _797172)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_800964, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _805534)
   Call: (227) [system] peek_char((0x56051b6b4f40), _806468)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_810260, v('(', ')', end_of_file), 'I')
   Call: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _814830)
   Call: (228) [system] peek_char((0x56051b6b4f40), _815764)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_819556, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _824126)
   Call: (229) [system] peek_char((0x56051b6b4f40), _825060)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_828852, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _833422)
   Call: (230) [system] peek_char((0x56051b6b4f40), _834356)
   Exit: (230) [system] peek_char((0x56051b6b4f40), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_838148, v('(', ')', end_of_file), r)
   Call: (230) [system] ')'==r
   Call: (230) [system] get_char((0x56051b6b4f40), r)
   Exit: (230) [system] get_char((0x56051b6b4f40), r)
   Call: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _842718)
   Call: (231) [system] peek_char((0x56051b6b4f40), _843652)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_847444, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _852014)
   Call: (232) [system] peek_char((0x56051b6b4f40), _852948)
   Exit: (232) [system] peek_char((0x56051b6b4f40), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_856740, v('(', ')', end_of_file), d)
   Call: (232) [system] ')'==d
   Call: (232) [system] get_char((0x56051b6b4f40), d)
   Exit: (232) [system] get_char((0x56051b6b4f40), d)
   Call: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _861310)
   Call: (233) [system] peek_char((0x56051b6b4f40), _862244)
   Exit: (233) [system] peek_char((0x56051b6b4f40), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_866036, v('(', ')', end_of_file), u)
   Call: (233) [system] ')'==u
   Call: (233) [system] get_char((0x56051b6b4f40), u)
   Exit: (233) [system] get_char((0x56051b6b4f40), u)
   Call: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _870606)
   Call: (234) [system] peek_char((0x56051b6b4f40), _871540)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_875332, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _879902)
   Call: (235) [system] peek_char((0x56051b6b4f40), _880836)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_884628, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _889198)
   Call: (236) [system] peek_char((0x56051b6b4f40), _890132)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_893924, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _898494)
   Call: (237) [system] peek_char((0x56051b6b4f40), _899428)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_903220, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _907790)
   Call: (238) [system] peek_char((0x56051b6b4f40), _908724)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_912516, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _917086)
   Call: (239) [system] peek_char((0x56051b6b4f40), _918020)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _917086=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _907790=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (237) [system] _898494=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (236) [system] _889198=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (235) [system] _879902=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (234) [system] _870606=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (233) [system] _861310=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (232) [system] _852014=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (231) [system] _842718=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _833422=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _824126=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _814830=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _805534=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _796238=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _786942=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _777646=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _768350=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _759054=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _749758=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _740462=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _731166=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _721870=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _712574=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _692030)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_988798, _988800), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _692030), _988774, fail)), '$restore_trace'(_988798, _988800))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_988798, _988800))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _692030), _988774, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_692030)
   Call: (217) [system] atom_chars(_692030, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _997250)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _999108)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1005918)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1008622)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1018014)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1021728)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1023586)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1032054)
   Exit: (216) [system] get_char((0x56051b6b4f40), a)
   Call: (216) [system] a='('
   Call: (216) [system] a='['
   Call: (216) [system] a='{'
   Call: (216) [system] a='"'
   Call: (216) [system] a=!
   Call: (216) [system] a='\''
   Call: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), a, _1021728)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1042272)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1043206)
   Exit: (218) [system] peek_char((0x56051b6b4f40), b)
^  Call: (218) [user] is_delimiter(b)
   Call: (219) [system] char_type(b, space)
   Call: (219) [system] arg(_1046998, v('(', ')', end_of_file), b)
   Call: (218) [system] ')'==b
   Call: (218) [system] get_char((0x56051b6b4f40), b)
   Exit: (218) [system] get_char((0x56051b6b4f40), b)
   Call: (218) [system] b=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1051568)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1052502)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1056294, v('(', ')', end_of_file), c)
   Call: (219) [system] ')'==c
   Call: (219) [system] get_char((0x56051b6b4f40), c)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1060864)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1061798)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1060864=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _1051568=[c]
   Exit: (219) [system] [c]=[c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (218) [system] _1042272=[b, c]
   Exit: (218) [system] [b, c]=[b, c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (217) [user] classify_and_convert_charseq(a, [b, c], _1021728)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1076696, _1076698), once(user:catch(read_from_chars([a, b, c], _1021728), _1076672, fail)), '$restore_trace'(_1076696, _1076698))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1076696, _1076698))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1076672, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(abc)
   Exit: (218) [system] atomic(abc)
^  Exit: (217) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1084196)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1086054)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1092864)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1095568)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1104960)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1108674)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1110532)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1119000)
   Exit: (217) [system] get_char((0x56051b6b4f40), a)
   Call: (217) [system] a='('
   Call: (217) [system] a='['
   Call: (217) [system] a='{'
   Call: (217) [system] a='"'
   Call: (217) [system] a=!
   Call: (217) [system] a='\''
   Call: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), a, _1108674)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1129218)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1130152)
   Exit: (219) [system] peek_char((0x56051b6b4f40), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_1133944, v('(', ')', end_of_file), b)
   Call: (219) [system] ')'==b
   Call: (219) [system] get_char((0x56051b6b4f40), b)
   Exit: (219) [system] get_char((0x56051b6b4f40), b)
   Call: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1138514)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1139448)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1143240, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1147810)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1148744)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1152536, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1147810=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1138514=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (219) [system] _1129218=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (218) [user] classify_and_convert_charseq(a, [b, c], _1108674)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1164586, _1164588), once(user:catch(read_from_chars([a, b, c], _1108674), _1164562, fail)), '$restore_trace'(_1164586, _1164588))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1164586, _1164588))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1164562, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1172086)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1173944)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1182412)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _1186202)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _1172086=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1084196=[abc]
   Exit: (216) [system] [abc]=[abc]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (215) [system] _997250=[abc, abc]
   Exit: (215) [system] [abc, abc]=[abc, abc]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [abc, abc])
   Call: (214) [system] _663952=['DisjunctionIntroduction', abc, abc]
   Exit: (214) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, abc])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, abc])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1200084)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1201942)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1208752)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1211456)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1220848)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1224562)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1226420)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1234888)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1224562)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1240458)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1248926)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1252640)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1254498)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1262966)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1252640)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1273184)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1274118)
   Exit: (218) [system] peek_char((0x56051b6b4f40), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1277910, v('(', ')', end_of_file), r)
   Call: (218) [system] ')'==r
   Call: (218) [system] get_char((0x56051b6b4f40), r)
   Exit: (218) [system] get_char((0x56051b6b4f40), r)
   Call: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1282480)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1283414)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1287206, v('(', ')', end_of_file), 'L')
   Call: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'L')
   Call: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1291776)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1292710)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1296502, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1301072)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1302006)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1305798, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1310368)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1311302)
   Exit: (222) [system] peek_char((0x56051b6b4f40), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1315094, v('(', ')', end_of_file), k)
   Call: (222) [system] ')'==k
   Call: (222) [system] get_char((0x56051b6b4f40), k)
   Exit: (222) [system] get_char((0x56051b6b4f40), k)
   Call: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1319664)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1320598)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1319664=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1310368=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (221) [system] _1301072=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (220) [system] _1291776=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (219) [system] _1282480=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (218) [system] _1273184=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1252640)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1343878, _1343880), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1252640), _1343854, fail)), '$restore_trace'(_1343878, _1343880))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1343878, _1343880))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1252640), _1343854, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1252640)
   Call: (218) [system] atom_chars(_1252640, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1352330)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1354188)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1360998)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1363702)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1373094)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1376808)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1378666)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1387134)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1376808)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1392704)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=(;)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1401172)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1404886)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1406744)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1415212)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1404886)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1425430)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1426364)
   Exit: (221) [system] peek_char((0x56051b6b4f40), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_1430156, v('(', ')', end_of_file), m)
   Call: (221) [system] ')'==m
   Call: (221) [system] get_char((0x56051b6b4f40), m)
   Exit: (221) [system] get_char((0x56051b6b4f40), m)
   Call: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1434726)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1435660)
   Exit: (222) [system] peek_char((0x56051b6b4f40), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_1439452, v('(', ')', end_of_file), p)
   Call: (222) [system] ')'==p
   Call: (222) [system] get_char((0x56051b6b4f40), p)
   Exit: (222) [system] get_char((0x56051b6b4f40), p)
   Call: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1444022)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1444956)
   Exit: (223) [system] peek_char((0x56051b6b4f40), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_1448748, v('(', ')', end_of_file), l)
   Call: (223) [system] ')'==l
   Call: (223) [system] get_char((0x56051b6b4f40), l)
   Exit: (223) [system] get_char((0x56051b6b4f40), l)
   Call: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1453318)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1454252)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1458044, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1462614)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1463548)
   Exit: (225) [system] peek_char((0x56051b6b4f40), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1467340, v('(', ')', end_of_file), c)
   Call: (225) [system] ')'==c
   Call: (225) [system] get_char((0x56051b6b4f40), c)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1471910)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1472844)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_1476636, v('(', ')', end_of_file), a)
   Call: (226) [system] ')'==a
   Call: (226) [system] get_char((0x56051b6b4f40), a)
   Exit: (226) [system] get_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1481206)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1482140)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1485932, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1490502)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1491436)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1495228, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1499798)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1500732)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1504524, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1509094)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1510028)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1513820, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1518390)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1519324)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1518390=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1509094=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (229) [system] _1499798=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (228) [system] _1490502=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (227) [system] _1481206=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (226) [system] _1471910=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (225) [system] _1462614=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (224) [system] _1453318=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (223) [system] _1444022=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _1434726=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _1425430=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1404886)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1556574, _1556576), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1404886), _1556550, fail)), '$restore_trace'(_1556574, _1556576))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1556574, _1556576))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1404886), _1556550, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1404886)
   Call: (221) [system] atom_chars(_1404886, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1565026)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1566884)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1573694)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1576398)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1585790)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1589504)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1591362)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1599830)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1589504)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1605400)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1613868)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1617582)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1619440)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1627908)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1617582)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1638126)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1639060)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1642852, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1647422)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1648356)
   Exit: (225) [system] peek_char((0x56051b6b4f40), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1652148, v('(', ')', end_of_file), d)
   Call: (225) [system] ')'==d
   Call: (225) [system] get_char((0x56051b6b4f40), d)
   Exit: (225) [system] get_char((0x56051b6b4f40), d)
   Call: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1656718)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1657652)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1661444, v('(', ')', end_of_file), 'L')
   Call: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (226) [system] get_char((0x56051b6b4f40), 'L')
   Call: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1666014)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1666948)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1670740, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1675310)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1676244)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1680036, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1684606)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1685540)
   Exit: (229) [system] peek_char((0x56051b6b4f40), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_1689332, v('(', ')', end_of_file), k)
   Call: (229) [system] ')'==k
   Call: (229) [system] get_char((0x56051b6b4f40), k)
   Exit: (229) [system] get_char((0x56051b6b4f40), k)
   Call: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1693902)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1694836)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1693902=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1684606=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (228) [system] _1675310=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (227) [system] _1666014=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (226) [system] _1656718=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (225) [system] _1647422=[d, 'L', i, n, k]
   Exit: (225) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (224) [system] _1638126=[n, d, 'L', i, n, k]
   Exit: (224) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1617582)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1720910, _1720912), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1617582), _1720886, fail)), '$restore_trace'(_1720910, _1720912))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1720910, _1720912))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1617582), _1720886, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1617582)
   Call: (224) [system] atom_chars(_1617582, ['A', n, d, 'L', i, n, k])
   Exit: (224) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1729362)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1731220)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1738030)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1740734)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1750126)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1753840)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1755698)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1764166)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1753840)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1774384)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1775318)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1774384=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('A', [], _1753840)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1784628, _1784630), once(user:catch(read_from_chars(['A'], _1753840), _1784604, fail)), '$restore_trace'(_1784628, _1784630))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1784628, _1784630))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1753840), _1784604, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1753840)
   Call: (225) [system] atom_chars(_1753840, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1793080)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1794938)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1801748)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1804452)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'=(;)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1813844)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (223) [system] 'B'=')'
   Call: (223) [system] 'B'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1817558)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1819416)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'=(;)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1827884)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'='('
   Call: (224) [system] 'B'='['
   Call: (224) [system] 'B'='{'
   Call: (224) [system] 'B'='"'
   Call: (224) [system] 'B'=!
   Call: (224) [system] 'B'='\''
   Call: (224) [system] 'B'='`'
   Call: (224) [system] 'B'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1817558)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1838102)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1839036)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1842828, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1838102=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('B', [], _1817558)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1849290, _1849292), once(user:catch(read_from_chars(['B'], _1817558), _1849266, fail)), '$restore_trace'(_1849290, _1849292))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1849290, _1849292))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1817558), _1849266, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1817558)
   Call: (226) [system] atom_chars(_1817558, ['B'])
   Exit: (226) [system] atom_chars('B', ['B'])
^  Exit: (225) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1857742)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1859600)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1868068)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _1871858)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _1857742=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1793080=['B']
   Exit: (223) [system] ['B']=['B']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (222) [system] _1729362=['A', 'B']
   Exit: (222) [system] ['A', 'B']=['A', 'B']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (221) [system] _1589504=['AndLink', 'A', 'B']
   Exit: (221) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1885740)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1887598)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1894408)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1897112)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1906504)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1910218)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1912076)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1920544)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'C')
   Call: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1910218)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1930762)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1931696)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1935488, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1930762=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('C', [], _1910218)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1941950, _1941952), once(user:catch(read_from_chars(['C'], _1910218), _1941926, fail)), '$restore_trace'(_1941950, _1941952))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1941950, _1941952))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1910218), _1941926, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1910218)
   Call: (223) [system] atom_chars(_1910218, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1950402)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1952260)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1960728)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _1964518)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _1950402=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1885740=['C']
   Exit: (220) [system] ['C']=['C']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (219) [system] _1565026=[['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (218) [system] _1376808=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1978400)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1980258)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1987068)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1989772)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1999164)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _2002878)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _2004736)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _2013204)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _2002878)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _2018774)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _2027242)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _2030956)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _2032814)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _2041282)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _2030956)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2051500)
   Call: (222) [system] peek_char((0x56051b6b4f40), _2052434)
   Exit: (222) [system] peek_char((0x56051b6b4f40), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_2056226, v('(', ')', end_of_file), m)
   Call: (222) [system] ')'==m
   Call: (222) [system] get_char((0x56051b6b4f40), m)
   Exit: (222) [system] get_char((0x56051b6b4f40), m)
   Call: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2060796)
   Call: (223) [system] peek_char((0x56051b6b4f40), _2061730)
   Exit: (223) [system] peek_char((0x56051b6b4f40), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_2065522, v('(', ')', end_of_file), p)
   Call: (223) [system] ')'==p
   Call: (223) [system] get_char((0x56051b6b4f40), p)
   Exit: (223) [system] get_char((0x56051b6b4f40), p)
   Call: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2070092)
   Call: (224) [system] peek_char((0x56051b6b4f40), _2071026)
   Exit: (224) [system] peek_char((0x56051b6b4f40), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_2074818, v('(', ')', end_of_file), l)
   Call: (224) [system] ')'==l
   Call: (224) [system] get_char((0x56051b6b4f40), l)
   Exit: (224) [system] get_char((0x56051b6b4f40), l)
   Call: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2079388)
   Call: (225) [system] peek_char((0x56051b6b4f40), _2080322)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_2084114, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2088684)
   Call: (226) [system] peek_char((0x56051b6b4f40), _2089618)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_2093410, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _6556)
   Call: (227) [system] peek_char((0x56051b6b4f40), _7490)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_11282, v('(', ')', end_of_file), a)
   Call: (227) [system] ')'==a
   Call: (227) [system] get_char((0x56051b6b4f40), a)
   Exit: (227) [system] get_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _15852)
   Call: (228) [system] peek_char((0x56051b6b4f40), _16786)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_20578, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _25148)
   Call: (229) [system] peek_char((0x56051b6b4f40), _26082)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_29874, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _34444)
   Call: (230) [system] peek_char((0x56051b6b4f40), _35378)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_39170, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _43740)
   Call: (231) [system] peek_char((0x56051b6b4f40), _44674)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_48466, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _53036)
   Call: (232) [system] peek_char((0x56051b6b4f40), _53970)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _53036=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _43740=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (230) [system] _34444=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (229) [system] _25148=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (228) [system] _15852=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (227) [system] _6556=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (226) [system] _5272=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (225) [system] _5268=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (224) [system] _5264=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _5260=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _5256=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _5252)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_91220, _91222), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _5252), _91196, fail)), '$restore_trace'(_91220, _91222))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_91220, _91222))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _5252), _91196, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_5252)
   Call: (222) [system] atom_chars(_5252, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _99672)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _101530)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _108340)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _111044)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _120436)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _124150)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _126008)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _134476)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _124150)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _140046)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _148514)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _152228)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _154086)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _162554)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _152228)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _172772)
   Call: (225) [system] peek_char((0x56051b6b4f40), _173706)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_177498, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _182068)
   Call: (226) [system] peek_char((0x56051b6b4f40), _183002)
   Exit: (226) [system] peek_char((0x56051b6b4f40), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_186794, v('(', ')', end_of_file), d)
   Call: (226) [system] ')'==d
   Call: (226) [system] get_char((0x56051b6b4f40), d)
   Exit: (226) [system] get_char((0x56051b6b4f40), d)
   Call: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _191364)
   Call: (227) [system] peek_char((0x56051b6b4f40), _192298)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_196090, v('(', ')', end_of_file), 'L')
   Call: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'L')
   Call: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _200660)
   Call: (228) [system] peek_char((0x56051b6b4f40), _201594)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_205386, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _209956)
   Call: (229) [system] peek_char((0x56051b6b4f40), _210890)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_214682, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _219252)
   Call: (230) [system] peek_char((0x56051b6b4f40), _220186)
   Exit: (230) [system] peek_char((0x56051b6b4f40), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_223978, v('(', ')', end_of_file), k)
   Call: (230) [system] ')'==k
   Call: (230) [system] get_char((0x56051b6b4f40), k)
   Exit: (230) [system] get_char((0x56051b6b4f40), k)
   Call: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _228548)
   Call: (231) [system] peek_char((0x56051b6b4f40), _229482)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _228548=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _219252=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (229) [system] _209956=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (228) [system] _200660=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (227) [system] _191364=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (226) [system] _182068=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (225) [system] _172772=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _152228)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_255556, _255558), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _152228), _255532, fail)), '$restore_trace'(_255556, _255558))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_255556, _255558))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _152228), _255532, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_152228)
   Call: (225) [system] atom_chars(_152228, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _264008)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _265866)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _272676)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _275380)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _284772)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _288486)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _290344)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _298812)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _288486)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _309030)
   Call: (226) [system] peek_char((0x56051b6b4f40), _309964)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _309030=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _288486)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_319274, _319276), once(user:catch(read_from_chars(['A'], _288486), _319250, fail)), '$restore_trace'(_319274, _319276))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_319274, _319276))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _288486), _319250, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_288486)
   Call: (226) [system] atom_chars(_288486, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _327726)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _329584)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _336394)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _339098)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _348490)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _352204)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _354062)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _362530)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _352204)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _372748)
   Call: (227) [system] peek_char((0x56051b6b4f40), _373682)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_377474, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _372748=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('B', [], _352204)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_383936, _383938), once(user:catch(read_from_chars(['B'], _352204), _383912, fail)), '$restore_trace'(_383936, _383938))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_383936, _383938))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _352204), _383912, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_352204)
   Call: (227) [system] atom_chars(_352204, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _392388)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _394246)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _402714)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _406504)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _392388=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _327726=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (223) [system] _264008=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (222) [system] _124150=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _420386)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _422244)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _429054)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _431758)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _441150)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _444864)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _446722)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _455190)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _444864)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _465408)
   Call: (224) [system] peek_char((0x56051b6b4f40), _466342)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_470134, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _465408=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq('C', [], _444864)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_476596, _476598), once(user:catch(read_from_chars(['C'], _444864), _476572, fail)), '$restore_trace'(_476596, _476598))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_476596, _476598))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _444864), _476572, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_444864)
   Call: (224) [system] atom_chars(_444864, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _485048)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _486906)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _495374)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _499164)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _485048=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _420386=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (220) [system] _99672=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _5246=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _513046)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _514904)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _523372)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _527162)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _513046=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _5242=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (216) [system] _5200=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (216) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (215) [system] _5192=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (215) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _541044)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _542902)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _551370)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _555160)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _541044=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _5188=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (213) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (212) [system] _5164=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (212) [system] [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (211) [system] _5156=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (211) [system] [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _569042)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _570900)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (211) [system] '\n'=(;)
^  Call: (211) [user] is_like_space('\n')
   Call: (212) [system] char_type('\n', 'white')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
^  Exit: (211) [user] is_like_space('\n')
   Call: (211) [system] get_char((0x56051b6b4f40), _578516)
   Exit: (211) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _581220)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (212) [system] '\t'=(;)
^  Call: (212) [user] is_like_space('\t')
   Call: (213) [system] char_type('\t', 'white')
   Exit: (213) [system] char_type('\t', 'white')
^  Exit: (212) [user] is_like_space('\t')
   Call: (212) [system] get_char((0x56051b6b4f40), _588030)
   Exit: (212) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _590734)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (213) [system] '\t'=(;)
^  Call: (213) [user] is_like_space('\t')
   Call: (214) [system] char_type('\t', 'white')
   Exit: (214) [system] char_type('\t', 'white')
^  Exit: (213) [user] is_like_space('\t')
   Call: (213) [system] get_char((0x56051b6b4f40), _597544)
   Exit: (213) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _600248)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _607058)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _609762)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _621926)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _625640)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _627498)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _635966)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _625640)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _641536)
   Exit: (213) [system] peek_char((0x56051b6b4f40), :)
   Call: (213) [system] (:)=(;)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _650004)
   Exit: (212) [system] peek_char((0x56051b6b4f40), :)
   Call: (212) [system] (:)=')'
   Call: (212) [system] (:)=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _653718)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _655576)
   Exit: (214) [system] peek_char((0x56051b6b4f40), :)
   Call: (214) [system] (:)=(;)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _664044)
   Exit: (213) [system] get_char((0x56051b6b4f40), :)
   Call: (213) [system] (:)='('
   Call: (213) [system] (:)='['
   Call: (213) [system] (:)='{'
   Call: (213) [system] (:)='"'
   Call: (213) [system] (:)=!
   Call: (213) [system] (:)='\''
   Call: (213) [system] (:)='`'
   Call: (213) [system] (:)=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), :, _653718)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _674262)
   Call: (215) [system] peek_char((0x56051b6b4f40), _675196)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _674262=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq(:, [], _653718)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_684506, _684508), once(user:catch(read_from_chars([:], _653718), _684482, fail)), '$restore_trace'(_684506, _684508))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_684506, _684508))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _684482, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(:)
   Exit: (215) [system] atomic(:)
^  Exit: (214) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _692006)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _693864)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _700674)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _703378)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _712770)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _716484)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _718342)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _726810)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _716484)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _732380)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _740848)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _744562)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _746420)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _754888)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _744562)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _765106)
   Call: (218) [system] peek_char((0x56051b6b4f40), _766040)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_769832, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _774402)
   Call: (219) [system] peek_char((0x56051b6b4f40), _775336)
   Exit: (219) [system] peek_char((0x56051b6b4f40), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_779128, v('(', ')', end_of_file), s)
   Call: (219) [system] ')'==s
   Call: (219) [system] get_char((0x56051b6b4f40), s)
   Exit: (219) [system] get_char((0x56051b6b4f40), s)
   Call: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _783698)
   Call: (220) [system] peek_char((0x56051b6b4f40), _784632)
   Exit: (220) [system] peek_char((0x56051b6b4f40), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_788424, v('(', ')', end_of_file), j)
   Call: (220) [system] ')'==j
   Call: (220) [system] get_char((0x56051b6b4f40), j)
   Exit: (220) [system] get_char((0x56051b6b4f40), j)
   Call: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _792994)
   Call: (221) [system] peek_char((0x56051b6b4f40), _793928)
   Exit: (221) [system] peek_char((0x56051b6b4f40), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_797720, v('(', ')', end_of_file), u)
   Call: (221) [system] ')'==u
   Call: (221) [system] get_char((0x56051b6b4f40), u)
   Exit: (221) [system] get_char((0x56051b6b4f40), u)
   Call: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _802290)
   Call: (222) [system] peek_char((0x56051b6b4f40), _803224)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_807016, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _811586)
   Call: (223) [system] peek_char((0x56051b6b4f40), _812520)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_816312, v('(', ')', end_of_file), c)
   Call: (223) [system] ')'==c
   Call: (223) [system] get_char((0x56051b6b4f40), c)
   Exit: (223) [system] get_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _820882)
   Call: (224) [system] peek_char((0x56051b6b4f40), _821816)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_825608, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _830178)
   Call: (225) [system] peek_char((0x56051b6b4f40), _831112)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_834904, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _839474)
   Call: (226) [system] peek_char((0x56051b6b4f40), _840408)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_844200, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _848770)
   Call: (227) [system] peek_char((0x56051b6b4f40), _849704)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_853496, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _858066)
   Call: (228) [system] peek_char((0x56051b6b4f40), _859000)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_862792, v('(', ')', end_of_file), 'I')
   Call: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (228) [system] get_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _867362)
   Call: (229) [system] peek_char((0x56051b6b4f40), _868296)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_872088, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _876658)
   Call: (230) [system] peek_char((0x56051b6b4f40), _877592)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_881384, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _885954)
   Call: (231) [system] peek_char((0x56051b6b4f40), _886888)
   Exit: (231) [system] peek_char((0x56051b6b4f40), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_890680, v('(', ')', end_of_file), r)
   Call: (231) [system] ')'==r
   Call: (231) [system] get_char((0x56051b6b4f40), r)
   Exit: (231) [system] get_char((0x56051b6b4f40), r)
   Call: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _895250)
   Call: (232) [system] peek_char((0x56051b6b4f40), _896184)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_899976, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _904546)
   Call: (233) [system] peek_char((0x56051b6b4f40), _905480)
   Exit: (233) [system] peek_char((0x56051b6b4f40), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_909272, v('(', ')', end_of_file), d)
   Call: (233) [system] ')'==d
   Call: (233) [system] get_char((0x56051b6b4f40), d)
   Exit: (233) [system] get_char((0x56051b6b4f40), d)
   Call: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _913842)
   Call: (234) [system] peek_char((0x56051b6b4f40), _914776)
   Exit: (234) [system] peek_char((0x56051b6b4f40), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_918568, v('(', ')', end_of_file), u)
   Call: (234) [system] ')'==u
   Call: (234) [system] get_char((0x56051b6b4f40), u)
   Exit: (234) [system] get_char((0x56051b6b4f40), u)
   Call: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _923138)
   Call: (235) [system] peek_char((0x56051b6b4f40), _924072)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_927864, v('(', ')', end_of_file), c)
   Call: (235) [system] ')'==c
   Call: (235) [system] get_char((0x56051b6b4f40), c)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _932434)
   Call: (236) [system] peek_char((0x56051b6b4f40), _933368)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_937160, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _941730)
   Call: (237) [system] peek_char((0x56051b6b4f40), _942664)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_946456, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _951026)
   Call: (238) [system] peek_char((0x56051b6b4f40), _951960)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_955752, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _960322)
   Call: (239) [system] peek_char((0x56051b6b4f40), _961256)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_965048, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _969618)
   Call: (240) [system] peek_char((0x56051b6b4f40), _970552)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _969618=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _960322=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (238) [system] _951026=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (237) [system] _941730=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (236) [system] _932434=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (235) [system] _923138=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (234) [system] _913842=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (233) [system] _904546=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (232) [system] _895250=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _885954=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _876658=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _867362=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _858066=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _848770=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _839474=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _830178=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _820882=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _811586=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _802290=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _792994=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _783698=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _774402=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _765106=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _744562)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1041330, _1041332), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _744562), _1041306, fail)), '$restore_trace'(_1041330, _1041332))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1041330, _1041332))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _744562), _1041306, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_744562)
   Call: (218) [system] atom_chars(_744562, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1049782)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1051640)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1058450)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1061154)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1070546)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1074260)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1076118)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1084586)
   Exit: (217) [system] get_char((0x56051b6b4f40), a)
   Call: (217) [system] a='('
   Call: (217) [system] a='['
   Call: (217) [system] a='{'
   Call: (217) [system] a='"'
   Call: (217) [system] a=!
   Call: (217) [system] a='\''
   Call: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), a, _1074260)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1094804)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1095738)
   Exit: (219) [system] peek_char((0x56051b6b4f40), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_1099530, v('(', ')', end_of_file), b)
   Call: (219) [system] ')'==b
   Call: (219) [system] get_char((0x56051b6b4f40), b)
   Exit: (219) [system] get_char((0x56051b6b4f40), b)
   Call: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1104100)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1105034)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1108826, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1113396)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1114330)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1113396=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1104100=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (219) [system] _1094804=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (218) [user] classify_and_convert_charseq(a, [b, c], _1074260)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1129228, _1129230), once(user:catch(read_from_chars([a, b, c], _1074260), _1129204, fail)), '$restore_trace'(_1129228, _1129230))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1129228, _1129230))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1129204, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1136728)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1138586)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1145396)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1148100)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(;)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1157492)
   Exit: (217) [system] peek_char((0x56051b6b4f40), c)
   Call: (217) [system] c=')'
   Call: (217) [system] c=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1161206)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1163064)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(;)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1171532)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c='('
   Call: (218) [system] c='['
   Call: (218) [system] c='{'
   Call: (218) [system] c='"'
   Call: (218) [system] c=!
   Call: (218) [system] c='\''
   Call: (218) [system] c='`'
   Call: (218) [system] c=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), c, _1161206)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1181750)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1182684)
   Exit: (220) [system] peek_char((0x56051b6b4f40), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1186476, v('(', ')', end_of_file), d)
   Call: (220) [system] ')'==d
   Call: (220) [system] get_char((0x56051b6b4f40), d)
   Exit: (220) [system] get_char((0x56051b6b4f40), d)
   Call: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1191046)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1191980)
   Exit: (221) [system] peek_char((0x56051b6b4f40), e)
^  Call: (221) [user] is_delimiter(e)
   Call: (222) [system] char_type(e, space)
   Call: (222) [system] arg(_1195772, v('(', ')', end_of_file), e)
   Call: (221) [system] ')'==e
   Call: (221) [system] get_char((0x56051b6b4f40), e)
   Exit: (221) [system] get_char((0x56051b6b4f40), e)
   Call: (221) [system] e=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1200342)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1201276)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1205068, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1200342=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _1191046=[e]
   Exit: (221) [system] [e]=[e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (220) [system] _1181750=[d, e]
   Exit: (220) [system] [d, e]=[d, e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (219) [user] classify_and_convert_charseq(c, [d, e], _1161206)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1217118, _1217120), once(user:catch(read_from_chars([c, d, e], _1161206), _1217094, fail)), '$restore_trace'(_1217118, _1217120))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1217118, _1217120))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1217094, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(cde)
   Exit: (220) [system] atomic(cde)
^  Exit: (219) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1224618)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1226476)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1234944)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _1238734)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _1224618=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _1136728=[cde]
   Exit: (217) [system] [cde]=[cde]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (216) [system] _1049782=[abc, cde]
   Exit: (216) [system] [abc, cde]=[abc, cde]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [abc, cde])
   Call: (215) [system] _716484=['DisjunctionIntroduction', abc, cde]
   Exit: (215) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, cde])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, cde])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1252616)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1254474)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _1261284)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1263988)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1273380)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1277094)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1278952)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1287420)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1277094)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1292990)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1301458)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1305172)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1307030)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1315498)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1305172)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1325716)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1326650)
   Exit: (219) [system] peek_char((0x56051b6b4f40), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1330442, v('(', ')', end_of_file), r)
   Call: (219) [system] ')'==r
   Call: (219) [system] get_char((0x56051b6b4f40), r)
   Exit: (219) [system] get_char((0x56051b6b4f40), r)
   Call: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1335012)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1335946)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_1339738, v('(', ')', end_of_file), 'L')
   Call: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (220) [system] get_char((0x56051b6b4f40), 'L')
   Call: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1344308)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1345242)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1349034, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1353604)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1354538)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1358330, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1362900)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1363834)
   Exit: (223) [system] peek_char((0x56051b6b4f40), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1367626, v('(', ')', end_of_file), k)
   Call: (223) [system] ')'==k
   Call: (223) [system] get_char((0x56051b6b4f40), k)
   Exit: (223) [system] get_char((0x56051b6b4f40), k)
   Call: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1372196)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1373130)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1372196=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1362900=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (222) [system] _1353604=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (221) [system] _1344308=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (220) [system] _1335012=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (219) [system] _1325716=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1305172)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1396410, _1396412), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1305172), _1396386, fail)), '$restore_trace'(_1396410, _1396412))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1396410, _1396412))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1305172), _1396386, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1305172)
   Call: (219) [system] atom_chars(_1305172, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1404862)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1406720)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1413530)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1416234)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1425626)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1429340)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1431198)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1439666)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1429340)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1445236)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1453704)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1457418)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1459276)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1467744)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1457418)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1477962)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1478896)
   Exit: (222) [system] peek_char((0x56051b6b4f40), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_1482688, v('(', ')', end_of_file), m)
   Call: (222) [system] ')'==m
   Call: (222) [system] get_char((0x56051b6b4f40), m)
   Exit: (222) [system] get_char((0x56051b6b4f40), m)
   Call: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1487258)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1488192)
   Exit: (223) [system] peek_char((0x56051b6b4f40), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_1491984, v('(', ')', end_of_file), p)
   Call: (223) [system] ')'==p
   Call: (223) [system] get_char((0x56051b6b4f40), p)
   Exit: (223) [system] get_char((0x56051b6b4f40), p)
   Call: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1496554)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1497488)
   Exit: (224) [system] peek_char((0x56051b6b4f40), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1501280, v('(', ')', end_of_file), l)
   Call: (224) [system] ')'==l
   Call: (224) [system] get_char((0x56051b6b4f40), l)
   Exit: (224) [system] get_char((0x56051b6b4f40), l)
   Call: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1505850)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1506784)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1510576, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1515146)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1516080)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1519872, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1524442)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1525376)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1529168, v('(', ')', end_of_file), a)
   Call: (227) [system] ')'==a
   Call: (227) [system] get_char((0x56051b6b4f40), a)
   Exit: (227) [system] get_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1533738)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1534672)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1538464, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1543034)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1543968)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1547760, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1552330)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1553264)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1557056, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1561626)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1562560)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1566352, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1570922)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1571856)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1570922=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _1561626=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (230) [system] _1552330=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (229) [system] _1543034=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (228) [system] _1533738=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (227) [system] _1524442=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (226) [system] _1515146=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (225) [system] _1505850=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (224) [system] _1496554=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _1487258=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _1477962=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1457418)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1609106, _1609108), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1457418), _1609082, fail)), '$restore_trace'(_1609106, _1609108))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1609106, _1609108))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1457418), _1609082, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1457418)
   Call: (222) [system] atom_chars(_1457418, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1617558)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1619416)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1626226)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1628930)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1638322)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1642036)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1643894)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1652362)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1642036)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1657932)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1666400)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1670114)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1671972)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1680440)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1670114)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1690658)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1691592)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1695384, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1699954)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1700888)
   Exit: (226) [system] peek_char((0x56051b6b4f40), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1704680, v('(', ')', end_of_file), d)
   Call: (226) [system] ')'==d
   Call: (226) [system] get_char((0x56051b6b4f40), d)
   Exit: (226) [system] get_char((0x56051b6b4f40), d)
   Call: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1709250)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1710184)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1713976, v('(', ')', end_of_file), 'L')
   Call: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'L')
   Call: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1718546)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1719480)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1723272, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1727842)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1728776)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1732568, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1737138)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1738072)
   Exit: (230) [system] peek_char((0x56051b6b4f40), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1741864, v('(', ')', end_of_file), k)
   Call: (230) [system] ')'==k
   Call: (230) [system] get_char((0x56051b6b4f40), k)
   Exit: (230) [system] get_char((0x56051b6b4f40), k)
   Call: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1746434)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1747368)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1746434=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1737138=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (229) [system] _1727842=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (228) [system] _1718546=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (227) [system] _1709250=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (226) [system] _1699954=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (225) [system] _1690658=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1670114)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1773442, _1773444), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1670114), _1773418, fail)), '$restore_trace'(_1773442, _1773444))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1773442, _1773444))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1670114), _1773418, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1670114)
   Call: (225) [system] atom_chars(_1670114, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1781894)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1783752)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1790562)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1793266)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1802658)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1806372)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1808230)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1816698)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1806372)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1826916)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1827850)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1826916=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _1806372)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1837160, _1837162), once(user:catch(read_from_chars(['A'], _1806372), _1837136, fail)), '$restore_trace'(_1837160, _1837162))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1837160, _1837162))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1806372), _1837136, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1806372)
   Call: (226) [system] atom_chars(_1806372, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1845612)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1847470)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1854280)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1856984)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1866376)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1870090)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1871948)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1880416)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1870090)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1890634)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1891568)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1895360, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1890634=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('B', [], _1870090)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1901822, _1901824), once(user:catch(read_from_chars(['B'], _1870090), _1901798, fail)), '$restore_trace'(_1901822, _1901824))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1901822, _1901824))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1870090), _1901798, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1870090)
   Call: (227) [system] atom_chars(_1870090, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1910274)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1912132)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1920600)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _1924390)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _1910274=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1845612=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (223) [system] _1781894=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (222) [system] _1642036=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1938272)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1940130)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1946940)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1949644)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1959036)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1962750)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1964608)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1973076)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1962750)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1983294)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1984228)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1988020, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1983294=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq('C', [], _1962750)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1994482, _1994484), once(user:catch(read_from_chars(['C'], _1962750), _1994458, fail)), '$restore_trace'(_1994482, _1994484))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1994482, _1994484))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1962750), _1994458, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1962750)
   Call: (224) [system] atom_chars(_1962750, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _2002934)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _2004792)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _2013260)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _2017050)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _2002934=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _1938272=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (220) [system] _1617558=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _1429340=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _2030932)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _2032790)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _2039600)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _2042304)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _2051696)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _2055410)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _2057268)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _2065736)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _2055410)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _2071306)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _2079774)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _2083488)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _2085346)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _2093814)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _5384)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _12638)
   Call: (223) [system] peek_char((0x56051b6b4f40), _13572)
   Exit: (223) [system] peek_char((0x56051b6b4f40), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_17364, v('(', ')', end_of_file), m)
   Call: (223) [system] ')'==m
   Call: (223) [system] get_char((0x56051b6b4f40), m)
   Exit: (223) [system] get_char((0x56051b6b4f40), m)
   Call: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _21934)
   Call: (224) [system] peek_char((0x56051b6b4f40), _22868)
   Exit: (224) [system] peek_char((0x56051b6b4f40), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_26660, v('(', ')', end_of_file), p)
   Call: (224) [system] ')'==p
   Call: (224) [system] get_char((0x56051b6b4f40), p)
   Exit: (224) [system] get_char((0x56051b6b4f40), p)
   Call: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _31230)
   Call: (225) [system] peek_char((0x56051b6b4f40), _32164)
   Exit: (225) [system] peek_char((0x56051b6b4f40), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_35956, v('(', ')', end_of_file), l)
   Call: (225) [system] ')'==l
   Call: (225) [system] get_char((0x56051b6b4f40), l)
   Exit: (225) [system] get_char((0x56051b6b4f40), l)
   Call: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _40526)
   Call: (226) [system] peek_char((0x56051b6b4f40), _41460)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_45252, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _49822)
   Call: (227) [system] peek_char((0x56051b6b4f40), _50756)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_54548, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _59118)
   Call: (228) [system] peek_char((0x56051b6b4f40), _60052)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_63844, v('(', ')', end_of_file), a)
   Call: (228) [system] ')'==a
   Call: (228) [system] get_char((0x56051b6b4f40), a)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _68414)
   Call: (229) [system] peek_char((0x56051b6b4f40), _69348)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_73140, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _77710)
   Call: (230) [system] peek_char((0x56051b6b4f40), _78644)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_82436, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _87006)
   Call: (231) [system] peek_char((0x56051b6b4f40), _87940)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_91732, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _96302)
   Call: (232) [system] peek_char((0x56051b6b4f40), _97236)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_101028, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _105598)
   Call: (233) [system] peek_char((0x56051b6b4f40), _106532)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _105598=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _96302=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (231) [system] _87006=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (230) [system] _77710=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (229) [system] _68414=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (228) [system] _59118=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (227) [system] _49822=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (226) [system] _40526=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (225) [system] _31230=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _21934=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _12638=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _5384)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_143782, _143784), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _5384), _143758, fail)), '$restore_trace'(_143782, _143784))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_143782, _143784))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _5384), _143758, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_5384)
   Call: (223) [system] atom_chars(_5384, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _152234)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _154092)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _160902)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _163606)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _172998)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _176712)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _178570)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _187038)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _176712)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _192608)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _201076)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _204790)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _206648)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _215116)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _204790)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _225334)
   Call: (226) [system] peek_char((0x56051b6b4f40), _226268)
   Exit: (226) [system] peek_char((0x56051b6b4f40), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_230060, v('(', ')', end_of_file), r)
   Call: (226) [system] ')'==r
   Call: (226) [system] get_char((0x56051b6b4f40), r)
   Exit: (226) [system] get_char((0x56051b6b4f40), r)
   Call: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _234630)
   Call: (227) [system] peek_char((0x56051b6b4f40), _235564)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_239356, v('(', ')', end_of_file), 'L')
   Call: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'L')
   Call: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _243926)
   Call: (228) [system] peek_char((0x56051b6b4f40), _244860)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_248652, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _253222)
   Call: (229) [system] peek_char((0x56051b6b4f40), _254156)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_257948, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _262518)
   Call: (230) [system] peek_char((0x56051b6b4f40), _263452)
   Exit: (230) [system] peek_char((0x56051b6b4f40), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_267244, v('(', ')', end_of_file), k)
   Call: (230) [system] ')'==k
   Call: (230) [system] get_char((0x56051b6b4f40), k)
   Exit: (230) [system] get_char((0x56051b6b4f40), k)
   Call: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _271814)
   Call: (231) [system] peek_char((0x56051b6b4f40), _272748)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _271814=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _262518=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (229) [system] _253222=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (228) [system] _243926=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (227) [system] _234630=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (226) [system] _225334=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _204790)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_296028, _296030), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _204790), _296004, fail)), '$restore_trace'(_296028, _296030))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_296028, _296030))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _204790), _296004, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_204790)
   Call: (226) [system] atom_chars(_204790, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _304480)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _306338)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _313148)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _315852)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _325244)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _328958)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _330816)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _339284)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _328958)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _349502)
   Call: (227) [system] peek_char((0x56051b6b4f40), _350436)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _349502=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('C', [], _328958)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_359746, _359748), once(user:catch(read_from_chars(['C'], _328958), _359722, fail)), '$restore_trace'(_359746, _359748))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_359746, _359748))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _328958), _359722, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_328958)
   Call: (227) [system] atom_chars(_328958, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _368198)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _370056)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _376866)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _379570)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _388962)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _392676)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _394534)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _403002)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _392676)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _413220)
   Call: (228) [system] peek_char((0x56051b6b4f40), _414154)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_417946, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _413220=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('D', [], _392676)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_424408, _424410), once(user:catch(read_from_chars(['D'], _392676), _424384, fail)), '$restore_trace'(_424408, _424410))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_424408, _424410))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _392676), _424384, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_392676)
   Call: (228) [system] atom_chars(_392676, ['D'])
   Exit: (228) [system] atom_chars('D', ['D'])
^  Exit: (227) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _432860)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _434718)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _443186)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _446976)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _432860=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _368198=['D']
   Exit: (225) [system] ['D']=['D']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (224) [system] _304480=['C', 'D']
   Exit: (224) [system] ['C', 'D']=['C', 'D']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (223) [system] _176712=['OrLink', 'C', 'D']
   Exit: (223) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _460858)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _462716)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _469526)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _472230)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (224) [system] 'E'=(;)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _481622)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (222) [system] 'E'=')'
   Call: (222) [system] 'E'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _485336)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _487194)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (224) [system] 'E'=(;)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _495662)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'E')
   Call: (223) [system] 'E'='('
   Call: (223) [system] 'E'='['
   Call: (223) [system] 'E'='{'
   Call: (223) [system] 'E'='"'
   Call: (223) [system] 'E'=!
   Call: (223) [system] 'E'='\''
   Call: (223) [system] 'E'='`'
   Call: (223) [system] 'E'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _485336)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _505880)
   Call: (225) [system] peek_char((0x56051b6b4f40), _506814)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_510606, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _505880=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('E', [], _485336)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_517068, _517070), once(user:catch(read_from_chars(['E'], _485336), _517044, fail)), '$restore_trace'(_517068, _517070))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_517068, _517070))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _485336), _517044, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_485336)
   Call: (225) [system] atom_chars(_485336, ['E'])
   Exit: (225) [system] atom_chars('E', ['E'])
^  Exit: (224) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _525520)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _527378)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _535846)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _539636)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _525520=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _460858=['E']
   Exit: (222) [system] ['E']=['E']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (221) [system] _152234=[['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (220) [system] _5378=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _553518)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _555376)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _563844)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _567634)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _553518=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _5374=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (218) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (217) [system] _5332=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (216) [system] _5324=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (216) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _581516)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _583374)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _591842)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _595632)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _581516=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _5320=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (214) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (213) [system] _5296=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (213) [system] [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (212) [system] _5288=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (212) [system] [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _609514)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _611372)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (212) [system] '\n'=(;)
^  Call: (212) [user] is_like_space('\n')
   Call: (213) [system] char_type('\n', 'white')
   Call: (213) [system] char_type('\n', end_of_line)
   Exit: (213) [system] char_type('\n', end_of_line)
^  Exit: (212) [user] is_like_space('\n')
   Call: (212) [system] get_char((0x56051b6b4f40), _618988)
   Exit: (212) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _621692)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (213) [system] '\t'=(;)
^  Call: (213) [user] is_like_space('\t')
   Call: (214) [system] char_type('\t', 'white')
   Exit: (214) [system] char_type('\t', 'white')
^  Exit: (213) [user] is_like_space('\t')
   Call: (213) [system] get_char((0x56051b6b4f40), _628502)
   Exit: (213) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _631206)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (214) [system] '\t'=(;)
^  Call: (214) [user] is_like_space('\t')
   Call: (215) [system] char_type('\t', 'white')
   Exit: (215) [system] char_type('\t', 'white')
^  Exit: (214) [user] is_like_space('\t')
   Call: (214) [system] get_char((0x56051b6b4f40), _638016)
   Exit: (214) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _640720)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _647530)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _650234)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _662398)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _666112)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _667970)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _676438)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _666112)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _682008)
   Exit: (214) [system] peek_char((0x56051b6b4f40), :)
   Call: (214) [system] (:)=(;)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _690476)
   Exit: (213) [system] peek_char((0x56051b6b4f40), :)
   Call: (213) [system] (:)=')'
   Call: (213) [system] (:)=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _694190)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _696048)
   Exit: (215) [system] peek_char((0x56051b6b4f40), :)
   Call: (215) [system] (:)=(;)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _704516)
   Exit: (214) [system] get_char((0x56051b6b4f40), :)
   Call: (214) [system] (:)='('
   Call: (214) [system] (:)='['
   Call: (214) [system] (:)='{'
   Call: (214) [system] (:)='"'
   Call: (214) [system] (:)=!
   Call: (214) [system] (:)='\''
   Call: (214) [system] (:)='`'
   Call: (214) [system] (:)=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), :, _694190)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _714734)
   Call: (216) [system] peek_char((0x56051b6b4f40), _715668)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _714734=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq(:, [], _694190)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_724978, _724980), once(user:catch(read_from_chars([:], _694190), _724954, fail)), '$restore_trace'(_724978, _724980))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_724978, _724980))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _724954, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(:)
   Exit: (216) [system] atomic(:)
^  Exit: (215) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _732478)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _734336)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _741146)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _743850)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _753242)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _756956)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _758814)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _767282)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _756956)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _772852)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _781320)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _785034)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _786892)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _795360)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _785034)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _805578)
   Call: (219) [system] peek_char((0x56051b6b4f40), _806512)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_810304, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _814874)
   Call: (220) [system] peek_char((0x56051b6b4f40), _815808)
   Exit: (220) [system] peek_char((0x56051b6b4f40), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_819600, v('(', ')', end_of_file), s)
   Call: (220) [system] ')'==s
   Call: (220) [system] get_char((0x56051b6b4f40), s)
   Exit: (220) [system] get_char((0x56051b6b4f40), s)
   Call: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _824170)
   Call: (221) [system] peek_char((0x56051b6b4f40), _825104)
   Exit: (221) [system] peek_char((0x56051b6b4f40), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_828896, v('(', ')', end_of_file), j)
   Call: (221) [system] ')'==j
   Call: (221) [system] get_char((0x56051b6b4f40), j)
   Exit: (221) [system] get_char((0x56051b6b4f40), j)
   Call: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _833466)
   Call: (222) [system] peek_char((0x56051b6b4f40), _834400)
   Exit: (222) [system] peek_char((0x56051b6b4f40), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_838192, v('(', ')', end_of_file), u)
   Call: (222) [system] ')'==u
   Call: (222) [system] get_char((0x56051b6b4f40), u)
   Exit: (222) [system] get_char((0x56051b6b4f40), u)
   Call: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _842762)
   Call: (223) [system] peek_char((0x56051b6b4f40), _843696)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_847488, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _852058)
   Call: (224) [system] peek_char((0x56051b6b4f40), _852992)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_856784, v('(', ')', end_of_file), c)
   Call: (224) [system] ')'==c
   Call: (224) [system] get_char((0x56051b6b4f40), c)
   Exit: (224) [system] get_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _861354)
   Call: (225) [system] peek_char((0x56051b6b4f40), _862288)
   Exit: (225) [system] peek_char((0x56051b6b4f40), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_866080, v('(', ')', end_of_file), t)
   Call: (225) [system] ')'==t
   Call: (225) [system] get_char((0x56051b6b4f40), t)
   Exit: (225) [system] get_char((0x56051b6b4f40), t)
   Call: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _870650)
   Call: (226) [system] peek_char((0x56051b6b4f40), _871584)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_875376, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _879946)
   Call: (227) [system] peek_char((0x56051b6b4f40), _880880)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_884672, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _889242)
   Call: (228) [system] peek_char((0x56051b6b4f40), _890176)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_893968, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _898538)
   Call: (229) [system] peek_char((0x56051b6b4f40), _899472)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_903264, v('(', ')', end_of_file), 'I')
   Call: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (229) [system] get_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _907834)
   Call: (230) [system] peek_char((0x56051b6b4f40), _908768)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_912560, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _917130)
   Call: (231) [system] peek_char((0x56051b6b4f40), _918064)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_921856, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _926426)
   Call: (232) [system] peek_char((0x56051b6b4f40), _927360)
   Exit: (232) [system] peek_char((0x56051b6b4f40), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_931152, v('(', ')', end_of_file), r)
   Call: (232) [system] ')'==r
   Call: (232) [system] get_char((0x56051b6b4f40), r)
   Exit: (232) [system] get_char((0x56051b6b4f40), r)
   Call: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _935722)
   Call: (233) [system] peek_char((0x56051b6b4f40), _936656)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_940448, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _945018)
   Call: (234) [system] peek_char((0x56051b6b4f40), _945952)
   Exit: (234) [system] peek_char((0x56051b6b4f40), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_949744, v('(', ')', end_of_file), d)
   Call: (234) [system] ')'==d
   Call: (234) [system] get_char((0x56051b6b4f40), d)
   Exit: (234) [system] get_char((0x56051b6b4f40), d)
   Call: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _954314)
   Call: (235) [system] peek_char((0x56051b6b4f40), _955248)
   Exit: (235) [system] peek_char((0x56051b6b4f40), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_959040, v('(', ')', end_of_file), u)
   Call: (235) [system] ')'==u
   Call: (235) [system] get_char((0x56051b6b4f40), u)
   Exit: (235) [system] get_char((0x56051b6b4f40), u)
   Call: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _963610)
   Call: (236) [system] peek_char((0x56051b6b4f40), _964544)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_968336, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _972906)
   Call: (237) [system] peek_char((0x56051b6b4f40), _973840)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_977632, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _982202)
   Call: (238) [system] peek_char((0x56051b6b4f40), _983136)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_986928, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _991498)
   Call: (239) [system] peek_char((0x56051b6b4f40), _992432)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_996224, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1000794)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1001728)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1005520, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1010090)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1011024)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1010090=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _1000794=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (239) [system] _991498=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (238) [system] _982202=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (237) [system] _972906=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (236) [system] _963610=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (235) [system] _954314=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (234) [system] _945018=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (233) [system] _935722=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _926426=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _917130=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _907834=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _898538=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _889242=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _879946=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _870650=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _861354=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _852058=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _842762=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _833466=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _824170=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _814874=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _805578=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _785034)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1081802, _1081804), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _785034), _1081778, fail)), '$restore_trace'(_1081802, _1081804))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1081802, _1081804))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _785034), _1081778, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_785034)
   Call: (219) [system] atom_chars(_785034, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1090254)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1092112)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1098922)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1101626)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
   Call: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1111018)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1114732)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1116590)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
   Call: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1125058)
   Exit: (218) [system] get_char((0x56051b6b4f40), a)
   Call: (218) [system] a='('
   Call: (218) [system] a='['
   Call: (218) [system] a='{'
   Call: (218) [system] a='"'
   Call: (218) [system] a=!
   Call: (218) [system] a='\''
   Call: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), a, _1114732)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1135276)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1136210)
   Exit: (220) [system] peek_char((0x56051b6b4f40), b)
^  Call: (220) [user] is_delimiter(b)
   Call: (221) [system] char_type(b, space)
   Call: (221) [system] arg(_1140002, v('(', ')', end_of_file), b)
   Call: (220) [system] ')'==b
   Call: (220) [system] get_char((0x56051b6b4f40), b)
   Exit: (220) [system] get_char((0x56051b6b4f40), b)
   Call: (220) [system] b=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1144572)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1145506)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1149298, v('(', ')', end_of_file), c)
   Call: (221) [system] ')'==c
   Call: (221) [system] get_char((0x56051b6b4f40), c)
   Exit: (221) [system] get_char((0x56051b6b4f40), c)
   Call: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1153868)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1154802)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1153868=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _1144572=[c]
   Exit: (221) [system] [c]=[c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (220) [system] _1135276=[b, c]
   Exit: (220) [system] [b, c]=[b, c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (219) [user] classify_and_convert_charseq(a, [b, c], _1114732)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1169700, _1169702), once(user:catch(read_from_chars([a, b, c], _1114732), _1169676, fail)), '$restore_trace'(_1169700, _1169702))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1169700, _1169702))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1169676, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1177200)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1179058)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1185868)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1188572)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
   Call: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1197964)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1201678)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1203536)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
   Call: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1212004)
   Exit: (219) [system] get_char((0x56051b6b4f40), a)
   Call: (219) [system] a='('
   Call: (219) [system] a='['
   Call: (219) [system] a='{'
   Call: (219) [system] a='"'
   Call: (219) [system] a=!
   Call: (219) [system] a='\''
   Call: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), a, _1201678)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1222222)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1223156)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1226948, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1222222=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (220) [user] classify_and_convert_charseq(a, [], _1201678)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1233410, _1233412), once(user:catch(read_from_chars([a], _1201678), _1233386, fail)), '$restore_trace'(_1233410, _1233412))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1233410, _1233412))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1233386, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(a)
   Exit: (221) [system] atomic(a)
^  Exit: (220) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1240910)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1242768)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1251236)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _1255026)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _1240910=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _1177200=[a]
   Exit: (218) [system] [a]=[a]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (217) [system] _1090254=[abc, a]
   Exit: (217) [system] [abc, a]=[abc, a]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (216) [system] _756956=['DisjunctionIntroduction', abc, a]
   Exit: (216) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1268908)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1270766)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1277576)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1280280)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1289672)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1293386)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1295244)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1303712)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1293386)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1309282)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1317750)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1321464)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1323322)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1331790)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1321464)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1342008)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1342942)
   Exit: (220) [system] peek_char((0x56051b6b4f40), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_1346734, v('(', ')', end_of_file), r)
   Call: (220) [system] ')'==r
   Call: (220) [system] get_char((0x56051b6b4f40), r)
   Exit: (220) [system] get_char((0x56051b6b4f40), r)
   Call: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1351304)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1352238)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_1356030, v('(', ')', end_of_file), 'L')
   Call: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (221) [system] get_char((0x56051b6b4f40), 'L')
   Call: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1360600)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1361534)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1365326, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1369896)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1370830)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1374622, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1379192)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1380126)
   Exit: (224) [system] peek_char((0x56051b6b4f40), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_1383918, v('(', ')', end_of_file), k)
   Call: (224) [system] ')'==k
   Call: (224) [system] get_char((0x56051b6b4f40), k)
   Exit: (224) [system] get_char((0x56051b6b4f40), k)
   Call: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1388488)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1389422)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1388488=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1379192=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (223) [system] _1369896=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (222) [system] _1360600=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (221) [system] _1351304=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (220) [system] _1342008=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1321464)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1412702, _1412704), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1321464), _1412678, fail)), '$restore_trace'(_1412702, _1412704))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1412702, _1412704))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1321464), _1412678, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1321464)
   Call: (220) [system] atom_chars(_1321464, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1421154)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1423012)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1429822)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1432526)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1441918)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1445632)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1447490)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1455958)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1445632)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1461528)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1469996)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1473710)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1475568)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1484036)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1473710)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1494254)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1495188)
   Exit: (223) [system] peek_char((0x56051b6b4f40), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_1498980, v('(', ')', end_of_file), m)
   Call: (223) [system] ')'==m
   Call: (223) [system] get_char((0x56051b6b4f40), m)
   Exit: (223) [system] get_char((0x56051b6b4f40), m)
   Call: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1503550)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1504484)
   Exit: (224) [system] peek_char((0x56051b6b4f40), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_1508276, v('(', ')', end_of_file), p)
   Call: (224) [system] ')'==p
   Call: (224) [system] get_char((0x56051b6b4f40), p)
   Exit: (224) [system] get_char((0x56051b6b4f40), p)
   Call: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1512846)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1513780)
   Exit: (225) [system] peek_char((0x56051b6b4f40), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_1517572, v('(', ')', end_of_file), l)
   Call: (225) [system] ')'==l
   Call: (225) [system] get_char((0x56051b6b4f40), l)
   Exit: (225) [system] get_char((0x56051b6b4f40), l)
   Call: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1522142)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1523076)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1526868, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1531438)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1532372)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1536164, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1540734)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1541668)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_1545460, v('(', ')', end_of_file), a)
   Call: (228) [system] ')'==a
   Call: (228) [system] get_char((0x56051b6b4f40), a)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1550030)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1550964)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1554756, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1559326)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1560260)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1564052, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1568622)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1569556)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1573348, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1577918)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1578852)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1582644, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1587214)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1588148)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1587214=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _1577918=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (231) [system] _1568622=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (230) [system] _1559326=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (229) [system] _1550030=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (228) [system] _1540734=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (227) [system] _1531438=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (226) [system] _1522142=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (225) [system] _1512846=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _1503550=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _1494254=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1473710)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1625398, _1625400), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1473710), _1625374, fail)), '$restore_trace'(_1625398, _1625400))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1625398, _1625400))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1473710), _1625374, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1473710)
   Call: (223) [system] atom_chars(_1473710, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1633850)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1635708)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1642518)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1645222)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1654614)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1658328)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1660186)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1668654)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1658328)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1674224)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1682692)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1686406)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1688264)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1696732)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1686406)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1706950)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1707884)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1711676, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1716246)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1717180)
   Exit: (227) [system] peek_char((0x56051b6b4f40), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1720972, v('(', ')', end_of_file), d)
   Call: (227) [system] ')'==d
   Call: (227) [system] get_char((0x56051b6b4f40), d)
   Exit: (227) [system] get_char((0x56051b6b4f40), d)
   Call: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1725542)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1726476)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1730268, v('(', ')', end_of_file), 'L')
   Call: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (228) [system] get_char((0x56051b6b4f40), 'L')
   Call: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1734838)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1735772)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1739564, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1744134)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1745068)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1748860, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1753430)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1754364)
   Exit: (231) [system] peek_char((0x56051b6b4f40), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1758156, v('(', ')', end_of_file), k)
   Call: (231) [system] ')'==k
   Call: (231) [system] get_char((0x56051b6b4f40), k)
   Exit: (231) [system] get_char((0x56051b6b4f40), k)
   Call: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1762726)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1763660)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1762726=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _1753430=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (230) [system] _1744134=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (229) [system] _1734838=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (228) [system] _1725542=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (227) [system] _1716246=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (226) [system] _1706950=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1686406)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1789734, _1789736), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1686406), _1789710, fail)), '$restore_trace'(_1789734, _1789736))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1789734, _1789736))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1686406), _1789710, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1686406)
   Call: (226) [system] atom_chars(_1686406, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1798186)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1800044)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1806854)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1809558)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1818950)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1822664)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1824522)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1832990)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1822664)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1843208)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1844142)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1843208=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('A', [], _1822664)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1853452, _1853454), once(user:catch(read_from_chars(['A'], _1822664), _1853428, fail)), '$restore_trace'(_1853452, _1853454))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1853452, _1853454))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1822664), _1853428, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1822664)
   Call: (227) [system] atom_chars(_1822664, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1861904)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1863762)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1870572)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1873276)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (227) [system] 'B'=(;)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1882668)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1886382)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1888240)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (227) [system] 'B'=(;)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1896708)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1886382)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1906926)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1907860)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1911652, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1906926=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('B', [], _1886382)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1918114, _1918116), once(user:catch(read_from_chars(['B'], _1886382), _1918090, fail)), '$restore_trace'(_1918114, _1918116))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1918114, _1918116))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1886382), _1918090, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1886382)
   Call: (228) [system] atom_chars(_1886382, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1926566)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1928424)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1936892)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _1940682)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _1926566=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1861904=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (224) [system] _1798186=['A', 'B']
   Exit: (224) [system] ['A', 'B']=['A', 'B']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (223) [system] _1658328=['AndLink', 'A', 'B']
   Exit: (223) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1954564)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1956422)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1963232)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1965936)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1975328)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1979042)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1980900)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1989368)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1979042)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1999586)
   Call: (225) [system] peek_char((0x56051b6b4f40), _2000520)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_2004312, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1999586=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('C', [], _1979042)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_2010774, _2010776), once(user:catch(read_from_chars(['C'], _1979042), _2010750, fail)), '$restore_trace'(_2010774, _2010776))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_2010774, _2010776))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1979042), _2010750, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1979042)
   Call: (225) [system] atom_chars(_1979042, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _2019226)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _2021084)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _2029552)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _2033342)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _2019226=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1954564=['C']
   Exit: (222) [system] ['C']=['C']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (221) [system] _1633850=[['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (220) [system] _1445632=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _2047224)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _2049082)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _2055892)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _2058596)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _2067988)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _2071702)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _2073560)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _2082028)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _2071702)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2092246)
   Call: (222) [system] peek_char((0x56051b6b4f40), _2093180)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_5590, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _5514=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq('A', [], _5510)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_12010, _12012), once(user:catch(read_from_chars(['A'], _5510), _11986, fail)), '$restore_trace'(_12010, _12012))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_12010, _12012))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _5510), _11986, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_5510)
   Call: (222) [system] atom_chars(_5510, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _20462)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _22320)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _30788)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _34578)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _20462=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _5506=['A']
   Exit: (219) [system] ['A']=['A']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (218) [system] _5464=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (218) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (217) [system] _5456=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (217) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _48460)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _50318)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _58786)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _62576)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _48460=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _5452=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (215) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (214) [system] _5428=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (214) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (213) [system] _5420=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (213) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _76458)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _78316)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (213) [system] '\n'=(;)
^  Call: (213) [user] is_like_space('\n')
   Call: (214) [system] char_type('\n', 'white')
   Call: (214) [system] char_type('\n', end_of_line)
   Exit: (214) [system] char_type('\n', end_of_line)
^  Exit: (213) [user] is_like_space('\n')
   Call: (213) [system] get_char((0x56051b6b4f40), _85932)
   Exit: (213) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _88636)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (214) [system] '\t'=(;)
^  Call: (214) [user] is_like_space('\t')
   Call: (215) [system] char_type('\t', 'white')
   Exit: (215) [system] char_type('\t', 'white')
^  Exit: (214) [user] is_like_space('\t')
   Call: (214) [system] get_char((0x56051b6b4f40), _95446)
   Exit: (214) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _98150)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (215) [system] '\t'=(;)
^  Call: (215) [user] is_like_space('\t')
   Call: (216) [system] char_type('\t', 'white')
   Exit: (216) [system] char_type('\t', 'white')
^  Exit: (215) [user] is_like_space('\t')
   Call: (215) [system] get_char((0x56051b6b4f40), _104960)
   Exit: (215) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _107664)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _114474)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _117178)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _129342)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _133056)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _134914)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _143382)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _133056)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _148952)
   Exit: (215) [system] peek_char((0x56051b6b4f40), :)
   Call: (215) [system] (:)=(;)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _157420)
   Exit: (214) [system] peek_char((0x56051b6b4f40), :)
   Call: (214) [system] (:)=')'
   Call: (214) [system] (:)=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _161134)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _162992)
   Exit: (216) [system] peek_char((0x56051b6b4f40), :)
   Call: (216) [system] (:)=(;)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _171460)
   Exit: (215) [system] get_char((0x56051b6b4f40), :)
   Call: (215) [system] (:)='('
   Call: (215) [system] (:)='['
   Call: (215) [system] (:)='{'
   Call: (215) [system] (:)='"'
   Call: (215) [system] (:)=!
   Call: (215) [system] (:)='\''
   Call: (215) [system] (:)='`'
   Call: (215) [system] (:)=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), :, _161134)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _181678)
   Call: (217) [system] peek_char((0x56051b6b4f40), _182612)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _181678=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq(:, [], _161134)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_191922, _191924), once(user:catch(read_from_chars([:], _161134), _191898, fail)), '$restore_trace'(_191922, _191924))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_191922, _191924))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _191898, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(:)
   Exit: (217) [system] atomic(:)
^  Exit: (216) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _199422)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _201280)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _208090)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _210794)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _220186)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _223900)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _225758)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _234226)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _223900)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _239796)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _248264)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _251978)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _253836)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _262304)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _251978)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _272522)
   Call: (220) [system] peek_char((0x56051b6b4f40), _273456)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_277248, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _281818)
   Call: (221) [system] peek_char((0x56051b6b4f40), _282752)
   Exit: (221) [system] peek_char((0x56051b6b4f40), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_286544, v('(', ')', end_of_file), s)
   Call: (221) [system] ')'==s
   Call: (221) [system] get_char((0x56051b6b4f40), s)
   Exit: (221) [system] get_char((0x56051b6b4f40), s)
   Call: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _291114)
   Call: (222) [system] peek_char((0x56051b6b4f40), _292048)
   Exit: (222) [system] peek_char((0x56051b6b4f40), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_295840, v('(', ')', end_of_file), j)
   Call: (222) [system] ')'==j
   Call: (222) [system] get_char((0x56051b6b4f40), j)
   Exit: (222) [system] get_char((0x56051b6b4f40), j)
   Call: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _300410)
   Call: (223) [system] peek_char((0x56051b6b4f40), _301344)
   Exit: (223) [system] peek_char((0x56051b6b4f40), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_305136, v('(', ')', end_of_file), u)
   Call: (223) [system] ')'==u
   Call: (223) [system] get_char((0x56051b6b4f40), u)
   Exit: (223) [system] get_char((0x56051b6b4f40), u)
   Call: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _309706)
   Call: (224) [system] peek_char((0x56051b6b4f40), _310640)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_314432, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _319002)
   Call: (225) [system] peek_char((0x56051b6b4f40), _319936)
   Exit: (225) [system] peek_char((0x56051b6b4f40), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_323728, v('(', ')', end_of_file), c)
   Call: (225) [system] ')'==c
   Call: (225) [system] get_char((0x56051b6b4f40), c)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _328298)
   Call: (226) [system] peek_char((0x56051b6b4f40), _329232)
   Exit: (226) [system] peek_char((0x56051b6b4f40), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_333024, v('(', ')', end_of_file), t)
   Call: (226) [system] ')'==t
   Call: (226) [system] get_char((0x56051b6b4f40), t)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _337594)
   Call: (227) [system] peek_char((0x56051b6b4f40), _338528)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_342320, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _346890)
   Call: (228) [system] peek_char((0x56051b6b4f40), _347824)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_351616, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _356186)
   Call: (229) [system] peek_char((0x56051b6b4f40), _357120)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_360912, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _365482)
   Call: (230) [system] peek_char((0x56051b6b4f40), _366416)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_370208, v('(', ')', end_of_file), 'I')
   Call: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (230) [system] get_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _374778)
   Call: (231) [system] peek_char((0x56051b6b4f40), _375712)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_379504, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _384074)
   Call: (232) [system] peek_char((0x56051b6b4f40), _385008)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_388800, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _393370)
   Call: (233) [system] peek_char((0x56051b6b4f40), _394304)
   Exit: (233) [system] peek_char((0x56051b6b4f40), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_398096, v('(', ')', end_of_file), r)
   Call: (233) [system] ')'==r
   Call: (233) [system] get_char((0x56051b6b4f40), r)
   Exit: (233) [system] get_char((0x56051b6b4f40), r)
   Call: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _402666)
   Call: (234) [system] peek_char((0x56051b6b4f40), _403600)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_407392, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _411962)
   Call: (235) [system] peek_char((0x56051b6b4f40), _412896)
   Exit: (235) [system] peek_char((0x56051b6b4f40), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_416688, v('(', ')', end_of_file), d)
   Call: (235) [system] ')'==d
   Call: (235) [system] get_char((0x56051b6b4f40), d)
   Exit: (235) [system] get_char((0x56051b6b4f40), d)
   Call: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _421258)
   Call: (236) [system] peek_char((0x56051b6b4f40), _422192)
   Exit: (236) [system] peek_char((0x56051b6b4f40), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_425984, v('(', ')', end_of_file), u)
   Call: (236) [system] ')'==u
   Call: (236) [system] get_char((0x56051b6b4f40), u)
   Exit: (236) [system] get_char((0x56051b6b4f40), u)
   Call: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _430554)
   Call: (237) [system] peek_char((0x56051b6b4f40), _431488)
   Exit: (237) [system] peek_char((0x56051b6b4f40), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_435280, v('(', ')', end_of_file), c)
   Call: (237) [system] ')'==c
   Call: (237) [system] get_char((0x56051b6b4f40), c)
   Exit: (237) [system] get_char((0x56051b6b4f40), c)
   Call: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _439850)
   Call: (238) [system] peek_char((0x56051b6b4f40), _440784)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_444576, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _449146)
   Call: (239) [system] peek_char((0x56051b6b4f40), _450080)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_453872, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _458442)
   Call: (240) [system] peek_char((0x56051b6b4f40), _459376)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_463168, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _467738)
   Call: (241) [system] peek_char((0x56051b6b4f40), _468672)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_472464, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _477034)
   Call: (242) [system] peek_char((0x56051b6b4f40), _477968)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _477034=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (241) [system] _467738=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (240) [system] _458442=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (239) [system] _449146=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (238) [system] _439850=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (237) [system] _430554=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (236) [system] _421258=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (235) [system] _411962=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (234) [system] _402666=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _393370=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _384074=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _374778=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _365482=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _356186=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _346890=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _337594=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _328298=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _319002=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _309706=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _300410=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _291114=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _281818=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _272522=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _251978)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_548746, _548748), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _251978), _548722, fail)), '$restore_trace'(_548746, _548748))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_548746, _548748))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _251978), _548722, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_251978)
   Call: (220) [system] atom_chars(_251978, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _557198)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _559056)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _565866)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _568570)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
   Call: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _577962)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _581676)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _583534)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
   Call: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _592002)
   Exit: (219) [system] get_char((0x56051b6b4f40), a)
   Call: (219) [system] a='('
   Call: (219) [system] a='['
   Call: (219) [system] a='{'
   Call: (219) [system] a='"'
   Call: (219) [system] a=!
   Call: (219) [system] a='\''
   Call: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), a, _581676)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _602220)
   Call: (221) [system] peek_char((0x56051b6b4f40), _603154)
   Exit: (221) [system] peek_char((0x56051b6b4f40), b)
^  Call: (221) [user] is_delimiter(b)
   Call: (222) [system] char_type(b, space)
   Call: (222) [system] arg(_606946, v('(', ')', end_of_file), b)
   Call: (221) [system] ')'==b
   Call: (221) [system] get_char((0x56051b6b4f40), b)
   Exit: (221) [system] get_char((0x56051b6b4f40), b)
   Call: (221) [system] b=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _611516)
   Call: (222) [system] peek_char((0x56051b6b4f40), _612450)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_616242, v('(', ')', end_of_file), c)
   Call: (222) [system] ')'==c
   Call: (222) [system] get_char((0x56051b6b4f40), c)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620812)
   Call: (223) [system] peek_char((0x56051b6b4f40), _621746)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _620812=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _611516=[c]
   Exit: (222) [system] [c]=[c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (221) [system] _602220=[b, c]
   Exit: (221) [system] [b, c]=[b, c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (220) [user] classify_and_convert_charseq(a, [b, c], _581676)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_636644, _636646), once(user:catch(read_from_chars([a, b, c], _581676), _636620, fail)), '$restore_trace'(_636644, _636646))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_636644, _636646))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _636620, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(abc)
   Exit: (221) [system] atomic(abc)
^  Exit: (220) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _644144)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _646002)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _652812)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _655516)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _664908)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
   Call: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _668622)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _670480)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _678948)
   Exit: (220) [system] get_char((0x56051b6b4f40), a)
   Call: (220) [system] a='('
   Call: (220) [system] a='['
   Call: (220) [system] a='{'
   Call: (220) [system] a='"'
   Call: (220) [system] a=!
   Call: (220) [system] a='\''
   Call: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), a, _668622)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _689166)
   Call: (222) [system] peek_char((0x56051b6b4f40), _690100)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_693892, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _689166=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq(a, [], _668622)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_700354, _700356), once(user:catch(read_from_chars([a], _668622), _700330, fail)), '$restore_trace'(_700354, _700356))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_700354, _700356))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _700330, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(a)
   Exit: (222) [system] atomic(a)
^  Exit: (221) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _707854)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _709712)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _718180)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _721970)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _707854=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _644144=[a]
   Exit: (219) [system] [a]=[a]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (218) [system] _557198=[abc, a]
   Exit: (218) [system] [abc, a]=[abc, a]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (217) [system] _223900=['DisjunctionIntroduction', abc, a]
   Exit: (217) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _735852)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _737710)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _744520)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _747224)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _756616)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _760330)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _762188)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _770656)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _760330)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _776226)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _784694)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _788408)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _790266)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _798734)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _788408)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _808952)
   Call: (221) [system] peek_char((0x56051b6b4f40), _809886)
   Exit: (221) [system] peek_char((0x56051b6b4f40), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_813678, v('(', ')', end_of_file), r)
   Call: (221) [system] ')'==r
   Call: (221) [system] get_char((0x56051b6b4f40), r)
   Exit: (221) [system] get_char((0x56051b6b4f40), r)
   Call: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _818248)
   Call: (222) [system] peek_char((0x56051b6b4f40), _819182)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_822974, v('(', ')', end_of_file), 'L')
   Call: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (222) [system] get_char((0x56051b6b4f40), 'L')
   Call: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _827544)
   Call: (223) [system] peek_char((0x56051b6b4f40), _828478)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_832270, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _836840)
   Call: (224) [system] peek_char((0x56051b6b4f40), _837774)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_841566, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _846136)
   Call: (225) [system] peek_char((0x56051b6b4f40), _847070)
   Exit: (225) [system] peek_char((0x56051b6b4f40), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_850862, v('(', ')', end_of_file), k)
   Call: (225) [system] ')'==k
   Call: (225) [system] get_char((0x56051b6b4f40), k)
   Exit: (225) [system] get_char((0x56051b6b4f40), k)
   Call: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _855432)
   Call: (226) [system] peek_char((0x56051b6b4f40), _856366)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _855432=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _846136=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (224) [system] _836840=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (223) [system] _827544=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (222) [system] _818248=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (221) [system] _808952=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _788408)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_879646, _879648), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _788408), _879622, fail)), '$restore_trace'(_879646, _879648))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_879646, _879648))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _788408), _879622, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_788408)
   Call: (221) [system] atom_chars(_788408, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _888098)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _889956)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _896766)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _899470)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _908862)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _912576)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _914434)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _922902)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _912576)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _928472)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _936940)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _940654)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _942512)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _950980)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _940654)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _961198)
   Call: (224) [system] peek_char((0x56051b6b4f40), _962132)
   Exit: (224) [system] peek_char((0x56051b6b4f40), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_965924, v('(', ')', end_of_file), m)
   Call: (224) [system] ')'==m
   Call: (224) [system] get_char((0x56051b6b4f40), m)
   Exit: (224) [system] get_char((0x56051b6b4f40), m)
   Call: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _970494)
   Call: (225) [system] peek_char((0x56051b6b4f40), _971428)
   Exit: (225) [system] peek_char((0x56051b6b4f40), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_975220, v('(', ')', end_of_file), p)
   Call: (225) [system] ')'==p
   Call: (225) [system] get_char((0x56051b6b4f40), p)
   Exit: (225) [system] get_char((0x56051b6b4f40), p)
   Call: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _979790)
   Call: (226) [system] peek_char((0x56051b6b4f40), _980724)
   Exit: (226) [system] peek_char((0x56051b6b4f40), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_984516, v('(', ')', end_of_file), l)
   Call: (226) [system] ')'==l
   Call: (226) [system] get_char((0x56051b6b4f40), l)
   Exit: (226) [system] get_char((0x56051b6b4f40), l)
   Call: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _989086)
   Call: (227) [system] peek_char((0x56051b6b4f40), _990020)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_993812, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _998382)
   Call: (228) [system] peek_char((0x56051b6b4f40), _999316)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1003108, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1007678)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1008612)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_1012404, v('(', ')', end_of_file), a)
   Call: (229) [system] ')'==a
   Call: (229) [system] get_char((0x56051b6b4f40), a)
   Exit: (229) [system] get_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1016974)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1017908)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1021700, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1026270)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1027204)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1030996, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1035566)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1036500)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1040292, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1044862)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1045796)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1049588, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1054158)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1055092)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1054158=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1044862=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (232) [system] _1035566=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (231) [system] _1026270=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (230) [system] _1016974=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (229) [system] _1007678=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (228) [system] _998382=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (227) [system] _989086=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (226) [system] _979790=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _970494=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _961198=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _940654)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1092342, _1092344), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _940654), _1092318, fail)), '$restore_trace'(_1092342, _1092344))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1092342, _1092344))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _940654), _1092318, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_940654)
   Call: (224) [system] atom_chars(_940654, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1100794)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1102652)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1109462)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1112166)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1121558)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1125272)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1127130)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1135598)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1125272)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1141168)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1149636)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1153350)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1155208)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1163676)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1153350)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1173894)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1174828)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1178620, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1183190)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1184124)
   Exit: (228) [system] peek_char((0x56051b6b4f40), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1187916, v('(', ')', end_of_file), d)
   Call: (228) [system] ')'==d
   Call: (228) [system] get_char((0x56051b6b4f40), d)
   Exit: (228) [system] get_char((0x56051b6b4f40), d)
   Call: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1192486)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1193420)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_1197212, v('(', ')', end_of_file), 'L')
   Call: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (229) [system] get_char((0x56051b6b4f40), 'L')
   Call: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1201782)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1202716)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1206508, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1211078)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1212012)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1215804, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1220374)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1221308)
   Exit: (232) [system] peek_char((0x56051b6b4f40), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_1225100, v('(', ')', end_of_file), k)
   Call: (232) [system] ')'==k
   Call: (232) [system] get_char((0x56051b6b4f40), k)
   Exit: (232) [system] get_char((0x56051b6b4f40), k)
   Call: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1229670)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1230604)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1229670=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _1220374=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (231) [system] _1211078=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (230) [system] _1201782=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (229) [system] _1192486=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (228) [system] _1183190=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (227) [system] _1173894=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1153350)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1256678, _1256680), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1153350), _1256654, fail)), '$restore_trace'(_1256678, _1256680))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1256678, _1256680))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1153350), _1256654, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1153350)
   Call: (227) [system] atom_chars(_1153350, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1265130)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1266988)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1273798)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1276502)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1285894)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1289608)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1291466)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1299934)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1289608)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1310152)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1311086)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1310152=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('A', [], _1289608)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1320396, _1320398), once(user:catch(read_from_chars(['A'], _1289608), _1320372, fail)), '$restore_trace'(_1320396, _1320398))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1320396, _1320398))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1289608), _1320372, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1289608)
   Call: (228) [system] atom_chars(_1289608, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1328848)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1330706)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _1337516)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1340220)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=(;)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1349612)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1353326)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1355184)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=(;)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1363652)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'B')
   Call: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1353326)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1373870)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1374804)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1378596, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1373870=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('B', [], _1353326)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1385058, _1385060), once(user:catch(read_from_chars(['B'], _1353326), _1385034, fail)), '$restore_trace'(_1385058, _1385060))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1385058, _1385060))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1353326), _1385034, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1353326)
   Call: (229) [system] atom_chars(_1353326, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1393510)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1395368)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1403836)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _1407626)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _1393510=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _1328848=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (225) [system] _1265130=['A', 'B']
   Exit: (225) [system] ['A', 'B']=['A', 'B']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (224) [system] _1125272=['AndLink', 'A', 'B']
   Exit: (224) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1421508)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1423366)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1430176)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1432880)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1442272)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1445986)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1447844)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1456312)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1445986)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1466530)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1467464)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1471256, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1466530=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('C', [], _1445986)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1477718, _1477720), once(user:catch(read_from_chars(['C'], _1445986), _1477694, fail)), '$restore_trace'(_1477718, _1477720))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1477718, _1477720))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1445986), _1477694, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1445986)
   Call: (226) [system] atom_chars(_1445986, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1486170)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1488028)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1496496)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _1500286)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _1486170=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1421508=['C']
   Exit: (223) [system] ['C']=['C']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (222) [system] _1100794=[['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (221) [system] _912576=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1514168)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1516026)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1522836)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1525540)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1534932)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1538646)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1540504)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1548972)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'B')
   Call: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1538646)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1559190)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1560124)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1563916, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1559190=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('B', [], _1538646)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1570378, _1570380), once(user:catch(read_from_chars(['B'], _1538646), _1570354, fail)), '$restore_trace'(_1570378, _1570380))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1570378, _1570380))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1538646), _1570354, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1538646)
   Call: (223) [system] atom_chars(_1538646, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1578830)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1580688)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1589156)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _1592946)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _1578830=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1514168=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (219) [system] _888098=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (219) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (218) [system] _760330=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (218) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1606828)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1608686)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1617154)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _1620944)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _1606828=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _735852=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (216) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (215) [system] _199422=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (215) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (214) [system] _133056=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (214) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1634826)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1636684)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (214) [system] '\n'=(;)
^  Call: (214) [user] is_like_space('\n')
   Call: (215) [system] char_type('\n', 'white')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
^  Exit: (214) [user] is_like_space('\n')
   Call: (214) [system] get_char((0x56051b6b4f40), _1644300)
   Exit: (214) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1647004)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (215) [system] '\t'=(;)
^  Call: (215) [user] is_like_space('\t')
   Call: (216) [system] char_type('\t', 'white')
   Exit: (216) [system] char_type('\t', 'white')
^  Exit: (215) [user] is_like_space('\t')
   Call: (215) [system] get_char((0x56051b6b4f40), _1653814)
   Exit: (215) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1656518)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (216) [system] '\t'=(;)
^  Call: (216) [user] is_like_space('\t')
   Call: (217) [system] char_type('\t', 'white')
   Exit: (217) [system] char_type('\t', 'white')
^  Exit: (216) [user] is_like_space('\t')
   Call: (216) [system] get_char((0x56051b6b4f40), _1663328)
   Exit: (216) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1666032)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1672842)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1675546)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1687710)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1691424)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1693282)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1701750)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1691424)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1707320)
   Exit: (216) [system] peek_char((0x56051b6b4f40), :)
   Call: (216) [system] (:)=(;)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1715788)
   Exit: (215) [system] peek_char((0x56051b6b4f40), :)
   Call: (215) [system] (:)=')'
   Call: (215) [system] (:)=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1719502)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1721360)
   Exit: (217) [system] peek_char((0x56051b6b4f40), :)
   Call: (217) [system] (:)=(;)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1729828)
   Exit: (216) [system] get_char((0x56051b6b4f40), :)
   Call: (216) [system] (:)='('
   Call: (216) [system] (:)='['
   Call: (216) [system] (:)='{'
   Call: (216) [system] (:)='"'
   Call: (216) [system] (:)=!
   Call: (216) [system] (:)='\''
   Call: (216) [system] (:)='`'
   Call: (216) [system] (:)=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), :, _1719502)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1740046)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1740980)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1740046=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq(:, [], _1719502)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1750290, _1750292), once(user:catch(read_from_chars([:], _1719502), _1750266, fail)), '$restore_trace'(_1750290, _1750292))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1750290, _1750292))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1750266, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(:)
   Exit: (218) [system] atomic(:)
^  Exit: (217) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1757790)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1759648)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1766458)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1769162)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1778554)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1782268)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1784126)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1792594)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1782268)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1798164)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1806632)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1810346)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1812204)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1820672)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1810346)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1830890)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1831824)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1835616, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1840186)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1841120)
   Exit: (222) [system] peek_char((0x56051b6b4f40), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_1844912, v('(', ')', end_of_file), s)
   Call: (222) [system] ')'==s
   Call: (222) [system] get_char((0x56051b6b4f40), s)
   Exit: (222) [system] get_char((0x56051b6b4f40), s)
   Call: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1849482)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1850416)
   Exit: (223) [system] peek_char((0x56051b6b4f40), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_1854208, v('(', ')', end_of_file), j)
   Call: (223) [system] ')'==j
   Call: (223) [system] get_char((0x56051b6b4f40), j)
   Exit: (223) [system] get_char((0x56051b6b4f40), j)
   Call: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1858778)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1859712)
   Exit: (224) [system] peek_char((0x56051b6b4f40), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1863504, v('(', ')', end_of_file), u)
   Call: (224) [system] ')'==u
   Call: (224) [system] get_char((0x56051b6b4f40), u)
   Exit: (224) [system] get_char((0x56051b6b4f40), u)
   Call: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1868074)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1869008)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1872800, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1877370)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1878304)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1882096, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1886666)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1887600)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1891392, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1895962)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1896896)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1900688, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1905258)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1906192)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1909984, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1914554)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1915488)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1919280, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1923850)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1924784)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_1928576, v('(', ')', end_of_file), 'I')
   Call: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1933146)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1934080)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1937872, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1942442)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1943376)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1947168, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1951738)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1952672)
   Exit: (234) [system] peek_char((0x56051b6b4f40), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1956464, v('(', ')', end_of_file), r)
   Call: (234) [system] ')'==r
   Call: (234) [system] get_char((0x56051b6b4f40), r)
   Exit: (234) [system] get_char((0x56051b6b4f40), r)
   Call: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1961034)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1961968)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1965760, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1970330)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1971264)
   Exit: (236) [system] peek_char((0x56051b6b4f40), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_1975056, v('(', ')', end_of_file), d)
   Call: (236) [system] ')'==d
   Call: (236) [system] get_char((0x56051b6b4f40), d)
   Exit: (236) [system] get_char((0x56051b6b4f40), d)
   Call: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1979626)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1980560)
   Exit: (237) [system] peek_char((0x56051b6b4f40), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_1984352, v('(', ')', end_of_file), u)
   Call: (237) [system] ')'==u
   Call: (237) [system] get_char((0x56051b6b4f40), u)
   Exit: (237) [system] get_char((0x56051b6b4f40), u)
   Call: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1988922)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1989856)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_1993648, v('(', ')', end_of_file), c)
   Call: (238) [system] ')'==c
   Call: (238) [system] get_char((0x56051b6b4f40), c)
   Exit: (238) [system] get_char((0x56051b6b4f40), c)
   Call: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1998218)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1999152)
   Exit: (239) [system] peek_char((0x56051b6b4f40), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_2002944, v('(', ')', end_of_file), t)
   Call: (239) [system] ')'==t
   Call: (239) [system] get_char((0x56051b6b4f40), t)
   Exit: (239) [system] get_char((0x56051b6b4f40), t)
   Call: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2007514)
   Call: (240) [system] peek_char((0x56051b6b4f40), _2008448)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_2012240, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2016810)
   Call: (241) [system] peek_char((0x56051b6b4f40), _2017744)
   Exit: (241) [system] peek_char((0x56051b6b4f40), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_2021536, v('(', ')', end_of_file), o)
   Call: (241) [system] ')'==o
   Call: (241) [system] get_char((0x56051b6b4f40), o)
   Exit: (241) [system] get_char((0x56051b6b4f40), o)
   Call: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2026106)
   Call: (242) [system] peek_char((0x56051b6b4f40), _2027040)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_2030832, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2035402)
   Call: (243) [system] peek_char((0x56051b6b4f40), _2036336)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _2035402=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _2026106=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (241) [system] _2016810=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (240) [system] _2007514=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (239) [system] _1998218=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (238) [system] _1988922=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (237) [system] _1979626=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (236) [system] _1970330=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (235) [system] _1961034=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _1951738=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1942442=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1933146=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1923850=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1914554=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1905258=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1895962=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1886666=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1877370=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1868074=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1858778=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5642=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5638=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5634=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5630)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_15986, _15988), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5630), _15962, fail)), '$restore_trace'(_15986, _15988))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_15986, _15988))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5630), _15962, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_5630)
   Call: (221) [system] atom_chars(_5630, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _24438)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _26296)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _33106)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _35810)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
   Call: (221) [system] c=(;)
^  Call: (221) [user] is_like_space(c)
   Call: (222) [system] char_type(c, 'white')
   Call: (222) [system] char_type(c, end_of_line)
   Call: (222) [system] char_type(c, space)
   Call: (222) [system] char_type(c, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _45202)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
   Call: (219) [system] c=')'
   Call: (219) [system] c=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _48916)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _50774)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
   Call: (221) [system] c=(;)
^  Call: (221) [user] is_like_space(c)
   Call: (222) [system] char_type(c, 'white')
   Call: (222) [system] char_type(c, end_of_line)
   Call: (222) [system] char_type(c, space)
   Call: (222) [system] char_type(c, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _59242)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c='('
   Call: (220) [system] c='['
   Call: (220) [system] c='{'
   Call: (220) [system] c='"'
   Call: (220) [system] c=!
   Call: (220) [system] c='\''
   Call: (220) [system] c='`'
   Call: (220) [system] c=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), c, _48916)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _69460)
   Call: (222) [system] peek_char((0x56051b6b4f40), _70394)
   Exit: (222) [system] peek_char((0x56051b6b4f40), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_74186, v('(', ')', end_of_file), d)
   Call: (222) [system] ')'==d
   Call: (222) [system] get_char((0x56051b6b4f40), d)
   Exit: (222) [system] get_char((0x56051b6b4f40), d)
   Call: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _78756)
   Call: (223) [system] peek_char((0x56051b6b4f40), _79690)
   Exit: (223) [system] peek_char((0x56051b6b4f40), e)
^  Call: (223) [user] is_delimiter(e)
   Call: (224) [system] char_type(e, space)
   Call: (224) [system] arg(_83482, v('(', ')', end_of_file), e)
   Call: (223) [system] ')'==e
   Call: (223) [system] get_char((0x56051b6b4f40), e)
   Exit: (223) [system] get_char((0x56051b6b4f40), e)
   Call: (223) [system] e=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _88052)
   Call: (224) [system] peek_char((0x56051b6b4f40), _88986)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _88052=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _78756=[e]
   Exit: (223) [system] [e]=[e]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (222) [system] _69460=[d, e]
   Exit: (222) [system] [d, e]=[d, e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (221) [user] classify_and_convert_charseq(c, [d, e], _48916)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_103884, _103886), once(user:catch(read_from_chars([c, d, e], _48916), _103860, fail)), '$restore_trace'(_103884, _103886))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_103884, _103886))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _103860, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(cde)
   Exit: (222) [system] atomic(cde)
^  Exit: (221) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _111384)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _113242)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _120052)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _122756)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _132148)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
   Call: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _135862)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _137720)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _146188)
   Exit: (221) [system] get_char((0x56051b6b4f40), a)
   Call: (221) [system] a='('
   Call: (221) [system] a='['
   Call: (221) [system] a='{'
   Call: (221) [system] a='"'
   Call: (221) [system] a=!
   Call: (221) [system] a='\''
   Call: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), a, _135862)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _156406)
   Call: (223) [system] peek_char((0x56051b6b4f40), _157340)
   Exit: (223) [system] peek_char((0x56051b6b4f40), b)
^  Call: (223) [user] is_delimiter(b)
   Call: (224) [system] char_type(b, space)
   Call: (224) [system] arg(_161132, v('(', ')', end_of_file), b)
   Call: (223) [system] ')'==b
   Call: (223) [system] get_char((0x56051b6b4f40), b)
   Exit: (223) [system] get_char((0x56051b6b4f40), b)
   Call: (223) [system] b=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _165702)
   Call: (224) [system] peek_char((0x56051b6b4f40), _166636)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_170428, v('(', ')', end_of_file), c)
   Call: (224) [system] ')'==c
   Call: (224) [system] get_char((0x56051b6b4f40), c)
   Exit: (224) [system] get_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _174998)
   Call: (225) [system] peek_char((0x56051b6b4f40), _175932)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_179724, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _174998=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _165702=[c]
   Exit: (224) [system] [c]=[c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (223) [system] _156406=[b, c]
   Exit: (223) [system] [b, c]=[b, c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (222) [user] classify_and_convert_charseq(a, [b, c], _135862)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_191774, _191776), once(user:catch(read_from_chars([a, b, c], _135862), _191750, fail)), '$restore_trace'(_191774, _191776))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_191774, _191776))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _191750, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(abc)
   Exit: (223) [system] atomic(abc)
^  Exit: (222) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _199274)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _201132)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _209600)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _213390)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _199274=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _111384=[abc]
   Exit: (220) [system] [abc]=[abc]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (219) [system] _24438=[cde, abc]
   Exit: (219) [system] [cde, abc]=[cde, abc]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [cde, abc])
   Call: (218) [system] _5624=['DisjunctionIntroduction', cde, abc]
   Exit: (218) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, abc])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, abc])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _227272)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _229130)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _235940)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _238644)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _248036)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _251750)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _253608)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _262076)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _251750)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _267646)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _276114)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _279828)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _281686)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _290154)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _279828)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _300372)
   Call: (222) [system] peek_char((0x56051b6b4f40), _301306)
   Exit: (222) [system] peek_char((0x56051b6b4f40), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_305098, v('(', ')', end_of_file), r)
   Call: (222) [system] ')'==r
   Call: (222) [system] get_char((0x56051b6b4f40), r)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _309668)
   Call: (223) [system] peek_char((0x56051b6b4f40), _310602)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_314394, v('(', ')', end_of_file), 'L')
   Call: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (223) [system] get_char((0x56051b6b4f40), 'L')
   Call: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _318964)
   Call: (224) [system] peek_char((0x56051b6b4f40), _319898)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_323690, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _328260)
   Call: (225) [system] peek_char((0x56051b6b4f40), _329194)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_332986, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _337556)
   Call: (226) [system] peek_char((0x56051b6b4f40), _338490)
   Exit: (226) [system] peek_char((0x56051b6b4f40), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_342282, v('(', ')', end_of_file), k)
   Call: (226) [system] ')'==k
   Call: (226) [system] get_char((0x56051b6b4f40), k)
   Exit: (226) [system] get_char((0x56051b6b4f40), k)
   Call: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _346852)
   Call: (227) [system] peek_char((0x56051b6b4f40), _347786)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _346852=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _337556=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (225) [system] _328260=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (224) [system] _318964=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (223) [system] _309668=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (222) [system] _300372=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _279828)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_371066, _371068), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _279828), _371042, fail)), '$restore_trace'(_371066, _371068))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_371066, _371068))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _279828), _371042, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_279828)
   Call: (222) [system] atom_chars(_279828, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _379518)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _381376)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _388186)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _390890)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _400282)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _403996)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _405854)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _414322)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _403996)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _419892)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _428360)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=')'
   Call: (222) [system] 'I'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _432074)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _433932)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=(;)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _442400)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'='('
   Call: (223) [system] 'I'='['
   Call: (223) [system] 'I'='{'
   Call: (223) [system] 'I'='"'
   Call: (223) [system] 'I'=!
   Call: (223) [system] 'I'='\''
   Call: (223) [system] 'I'='`'
   Call: (223) [system] 'I'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _432074)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _452618)
   Call: (225) [system] peek_char((0x56051b6b4f40), _453552)
   Exit: (225) [system] peek_char((0x56051b6b4f40), m)
^  Call: (225) [user] is_delimiter(m)
   Call: (226) [system] char_type(m, space)
   Call: (226) [system] arg(_457344, v('(', ')', end_of_file), m)
   Call: (225) [system] ')'==m
   Call: (225) [system] get_char((0x56051b6b4f40), m)
   Exit: (225) [system] get_char((0x56051b6b4f40), m)
   Call: (225) [system] m=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _461914)
   Call: (226) [system] peek_char((0x56051b6b4f40), _462848)
   Exit: (226) [system] peek_char((0x56051b6b4f40), p)
^  Call: (226) [user] is_delimiter(p)
   Call: (227) [system] char_type(p, space)
   Call: (227) [system] arg(_466640, v('(', ')', end_of_file), p)
   Call: (226) [system] ')'==p
   Call: (226) [system] get_char((0x56051b6b4f40), p)
   Exit: (226) [system] get_char((0x56051b6b4f40), p)
   Call: (226) [system] p=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _471210)
   Call: (227) [system] peek_char((0x56051b6b4f40), _472144)
   Exit: (227) [system] peek_char((0x56051b6b4f40), l)
^  Call: (227) [user] is_delimiter(l)
   Call: (228) [system] char_type(l, space)
   Call: (228) [system] arg(_475936, v('(', ')', end_of_file), l)
   Call: (227) [system] ')'==l
   Call: (227) [system] get_char((0x56051b6b4f40), l)
   Exit: (227) [system] get_char((0x56051b6b4f40), l)
   Call: (227) [system] l=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _480506)
   Call: (228) [system] peek_char((0x56051b6b4f40), _481440)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_485232, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _489802)
   Call: (229) [system] peek_char((0x56051b6b4f40), _490736)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_494528, v('(', ')', end_of_file), c)
   Call: (229) [system] ')'==c
   Call: (229) [system] get_char((0x56051b6b4f40), c)
   Exit: (229) [system] get_char((0x56051b6b4f40), c)
   Call: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _499098)
   Call: (230) [system] peek_char((0x56051b6b4f40), _500032)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
^  Call: (230) [user] is_delimiter(a)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] arg(_503824, v('(', ')', end_of_file), a)
   Call: (230) [system] ')'==a
   Call: (230) [system] get_char((0x56051b6b4f40), a)
   Exit: (230) [system] get_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _508394)
   Call: (231) [system] peek_char((0x56051b6b4f40), _509328)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_513120, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _517690)
   Call: (232) [system] peek_char((0x56051b6b4f40), _518624)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_522416, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _526986)
   Call: (233) [system] peek_char((0x56051b6b4f40), _527920)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_531712, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _536282)
   Call: (234) [system] peek_char((0x56051b6b4f40), _537216)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_541008, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _545578)
   Call: (235) [system] peek_char((0x56051b6b4f40), _546512)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _545578=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _536282=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (233) [system] _526986=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (232) [system] _517690=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (231) [system] _508394=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (230) [system] _499098=[a, t, i, o, n]
   Exit: (230) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (229) [system] _489802=[c, a, t, i, o, n]
   Exit: (229) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (228) [system] _480506=[i, c, a, t, i, o, n]
   Exit: (228) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (227) [system] _471210=[l, i, c, a, t, i, o, n]
   Exit: (227) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (226) [system] _461914=[p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (225) [system] _452618=[m, p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _432074)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_583762, _583764), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _432074), _583738, fail)), '$restore_trace'(_583762, _583764))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_583762, _583764))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _432074), _583738, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_432074)
   Call: (225) [system] atom_chars(_432074, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _592214)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _594072)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _600882)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _603586)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _612978)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _616692)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _618550)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _627018)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _616692)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _632588)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _641056)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _644770)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _646628)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'=(;)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _655096)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _644770)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _665314)
   Call: (228) [system] peek_char((0x56051b6b4f40), _666248)
   Exit: (228) [system] peek_char((0x56051b6b4f40), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_670040, v('(', ')', end_of_file), r)
   Call: (228) [system] ')'==r
   Call: (228) [system] get_char((0x56051b6b4f40), r)
   Exit: (228) [system] get_char((0x56051b6b4f40), r)
   Call: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _674610)
   Call: (229) [system] peek_char((0x56051b6b4f40), _675544)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_679336, v('(', ')', end_of_file), 'L')
   Call: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (229) [system] get_char((0x56051b6b4f40), 'L')
   Call: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _683906)
   Call: (230) [system] peek_char((0x56051b6b4f40), _684840)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_688632, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _693202)
   Call: (231) [system] peek_char((0x56051b6b4f40), _694136)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_697928, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _702498)
   Call: (232) [system] peek_char((0x56051b6b4f40), _703432)
   Exit: (232) [system] peek_char((0x56051b6b4f40), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_707224, v('(', ')', end_of_file), k)
   Call: (232) [system] ')'==k
   Call: (232) [system] get_char((0x56051b6b4f40), k)
   Exit: (232) [system] get_char((0x56051b6b4f40), k)
   Call: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _711794)
   Call: (233) [system] peek_char((0x56051b6b4f40), _712728)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _711794=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _702498=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (231) [system] _693202=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (230) [system] _683906=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (229) [system] _674610=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (228) [system] _665314=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _644770)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_736008, _736010), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _644770), _735984, fail)), '$restore_trace'(_736008, _736010))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_736008, _736010))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _644770), _735984, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_644770)
   Call: (228) [system] atom_chars(_644770, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _744460)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _746318)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _753128)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _755832)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=(;)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _765224)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=')'
   Call: (226) [system] 'C'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _768938)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _770796)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=(;)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _779264)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'='('
   Call: (227) [system] 'C'='['
   Call: (227) [system] 'C'='{'
   Call: (227) [system] 'C'='"'
   Call: (227) [system] 'C'=!
   Call: (227) [system] 'C'='\''
   Call: (227) [system] 'C'='`'
   Call: (227) [system] 'C'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _768938)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _789482)
   Call: (229) [system] peek_char((0x56051b6b4f40), _790416)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _789482=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('C', [], _768938)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_799726, _799728), once(user:catch(read_from_chars(['C'], _768938), _799702, fail)), '$restore_trace'(_799726, _799728))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_799726, _799728))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _768938), _799702, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_768938)
   Call: (229) [system] atom_chars(_768938, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _808178)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _810036)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _816846)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _819550)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'=(;)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _828942)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=')'
   Call: (227) [system] 'D'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _832656)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _834514)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'=(;)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _842982)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'='('
   Call: (228) [system] 'D'='['
   Call: (228) [system] 'D'='{'
   Call: (228) [system] 'D'='"'
   Call: (228) [system] 'D'=!
   Call: (228) [system] 'D'='\''
   Call: (228) [system] 'D'='`'
   Call: (228) [system] 'D'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _832656)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _853200)
   Call: (230) [system] peek_char((0x56051b6b4f40), _854134)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_857926, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _853200=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('D', [], _832656)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_864388, _864390), once(user:catch(read_from_chars(['D'], _832656), _864364, fail)), '$restore_trace'(_864388, _864390))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_864388, _864390))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _832656), _864364, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_832656)
   Call: (230) [system] atom_chars(_832656, ['D'])
   Exit: (230) [system] atom_chars('D', ['D'])
^  Exit: (229) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _872840)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _874698)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _883166)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _886956)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _872840=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _808178=['D']
   Exit: (227) [system] ['D']=['D']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (226) [system] _744460=['C', 'D']
   Exit: (226) [system] ['C', 'D']=['C', 'D']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (225) [system] _616692=['OrLink', 'C', 'D']
   Exit: (225) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _900838)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _902696)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _909506)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _912210)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (226) [system] 'E'=(;)
^  Call: (226) [user] is_like_space('E')
   Call: (227) [system] char_type('E', 'white')
   Call: (227) [system] char_type('E', end_of_line)
   Call: (227) [system] char_type('E', space)
   Call: (227) [system] char_type('E', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _921602)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (224) [system] 'E'=')'
   Call: (224) [system] 'E'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _925316)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _927174)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (226) [system] 'E'=(;)
^  Call: (226) [user] is_like_space('E')
   Call: (227) [system] char_type('E', 'white')
   Call: (227) [system] char_type('E', end_of_line)
   Call: (227) [system] char_type('E', space)
   Call: (227) [system] char_type('E', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _935642)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'E')
   Call: (225) [system] 'E'='('
   Call: (225) [system] 'E'='['
   Call: (225) [system] 'E'='{'
   Call: (225) [system] 'E'='"'
   Call: (225) [system] 'E'=!
   Call: (225) [system] 'E'='\''
   Call: (225) [system] 'E'='`'
   Call: (225) [system] 'E'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _925316)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _945860)
   Call: (227) [system] peek_char((0x56051b6b4f40), _946794)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_950586, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _945860=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('E', [], _925316)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_957048, _957050), once(user:catch(read_from_chars(['E'], _925316), _957024, fail)), '$restore_trace'(_957048, _957050))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_957048, _957050))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _925316), _957024, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_925316)
   Call: (227) [system] atom_chars(_925316, ['E'])
   Exit: (227) [system] atom_chars('E', ['E'])
^  Exit: (226) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _965500)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _967358)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _975826)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _979616)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _965500=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _900838=['E']
   Exit: (224) [system] ['E']=['E']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (223) [system] _592214=[['OrLink', 'C', 'D'], 'E']
   Exit: (223) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (222) [system] _403996=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _993498)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _995356)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1002166)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1004870)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1014262)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1017976)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1019834)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1028302)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1017976)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1033872)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=(;)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1042340)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1046054)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1047912)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1056380)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1046054)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1066598)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1067532)
   Exit: (226) [system] peek_char((0x56051b6b4f40), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_1071324, v('(', ')', end_of_file), m)
   Call: (226) [system] ')'==m
   Call: (226) [system] get_char((0x56051b6b4f40), m)
   Exit: (226) [system] get_char((0x56051b6b4f40), m)
   Call: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1075894)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1076828)
   Exit: (227) [system] peek_char((0x56051b6b4f40), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_1080620, v('(', ')', end_of_file), p)
   Call: (227) [system] ')'==p
   Call: (227) [system] get_char((0x56051b6b4f40), p)
   Exit: (227) [system] get_char((0x56051b6b4f40), p)
   Call: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1085190)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1086124)
   Exit: (228) [system] peek_char((0x56051b6b4f40), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_1089916, v('(', ')', end_of_file), l)
   Call: (228) [system] ')'==l
   Call: (228) [system] get_char((0x56051b6b4f40), l)
   Exit: (228) [system] get_char((0x56051b6b4f40), l)
   Call: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1094486)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1095420)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1099212, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1103782)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1104716)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1108508, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1113078)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1114012)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_1117804, v('(', ')', end_of_file), a)
   Call: (231) [system] ')'==a
   Call: (231) [system] get_char((0x56051b6b4f40), a)
   Exit: (231) [system] get_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1122374)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1123308)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1127100, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1131670)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1132604)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1136396, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1140966)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1141900)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1145692, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1150262)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1151196)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1154988, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1159558)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1160492)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1159558=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _1150262=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (234) [system] _1140966=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (233) [system] _1131670=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (232) [system] _1122374=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (231) [system] _1113078=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (230) [system] _1103782=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (229) [system] _1094486=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (228) [system] _1085190=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _1075894=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _1066598=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1046054)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1197742, _1197744), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1046054), _1197718, fail)), '$restore_trace'(_1197742, _1197744))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1197742, _1197744))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1046054), _1197718, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1046054)
   Call: (226) [system] atom_chars(_1046054, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1206194)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1208052)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1214862)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1217566)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1226958)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1230672)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1232530)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1240998)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1230672)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1246568)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1255036)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1258750)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1260608)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1269076)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1258750)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1279294)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1280228)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1284020, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1288590)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1289524)
   Exit: (230) [system] peek_char((0x56051b6b4f40), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1293316, v('(', ')', end_of_file), d)
   Call: (230) [system] ')'==d
   Call: (230) [system] get_char((0x56051b6b4f40), d)
   Exit: (230) [system] get_char((0x56051b6b4f40), d)
   Call: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1297886)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1298820)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1302612, v('(', ')', end_of_file), 'L')
   Call: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'L')
   Call: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1307182)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1308116)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1311908, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1316478)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1317412)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1321204, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1325774)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1326708)
   Exit: (234) [system] peek_char((0x56051b6b4f40), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1330500, v('(', ')', end_of_file), k)
   Call: (234) [system] ')'==k
   Call: (234) [system] get_char((0x56051b6b4f40), k)
   Exit: (234) [system] get_char((0x56051b6b4f40), k)
   Call: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1335070)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1336004)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1335070=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _1325774=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (233) [system] _1316478=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (232) [system] _1307182=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (231) [system] _1297886=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (230) [system] _1288590=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (229) [system] _1279294=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1258750)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1362078, _1362080), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1258750), _1362054, fail)), '$restore_trace'(_1362078, _1362080))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1362078, _1362080))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1258750), _1362054, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1258750)
   Call: (229) [system] atom_chars(_1258750, ['A', n, d, 'L', i, n, k])
   Exit: (229) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1370530)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1372388)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1379198)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1381902)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1391294)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1395008)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1396866)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1405334)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1395008)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1415552)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1416486)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1415552=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('A', [], _1395008)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1425796, _1425798), once(user:catch(read_from_chars(['A'], _1395008), _1425772, fail)), '$restore_trace'(_1425796, _1425798))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1425796, _1425798))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1395008), _1425772, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1395008)
   Call: (230) [system] atom_chars(_1395008, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1434248)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1436106)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1442916)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1445620)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1455012)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1458726)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1460584)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1469052)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1458726)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1479270)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1480204)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1483996, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1479270=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('B', [], _1458726)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1490458, _1490460), once(user:catch(read_from_chars(['B'], _1458726), _1490434, fail)), '$restore_trace'(_1490458, _1490460))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1490458, _1490460))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1458726), _1490434, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1458726)
   Call: (231) [system] atom_chars(_1458726, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1498910)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1500768)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1509236)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _1513026)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _1498910=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1434248=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (227) [system] _1370530=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (226) [system] _1230672=['AndLink', 'A', 'B']
   Exit: (226) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1526908)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1528766)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1535576)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1538280)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1547672)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1551386)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1553244)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1561712)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1551386)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1571930)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1572864)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1576656, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1571930=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('C', [], _1551386)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1583118, _1583120), once(user:catch(read_from_chars(['C'], _1551386), _1583094, fail)), '$restore_trace'(_1583118, _1583120))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1583118, _1583120))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1551386), _1583094, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1551386)
   Call: (228) [system] atom_chars(_1551386, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1591570)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1593428)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1601896)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _1605686)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _1591570=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1526908=['C']
   Exit: (225) [system] ['C']=['C']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (224) [system] _1206194=[['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (223) [system] _1017976=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1619568)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1621426)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1629894)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _1633684)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _1619568=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _993498=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (221) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (220) [system] _379518=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (220) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (219) [system] _251750=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (219) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1647566)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1649424)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1657892)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _1661682)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _1647566=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _227272=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (217) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (216) [system] _5620=[['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (216) [system] [['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (215) [system] _5612=[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (215) [system] [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1675564)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1677422)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (215) [system] '\n'=(;)
^  Call: (215) [user] is_like_space('\n')
   Call: (216) [system] char_type('\n', 'white')
   Call: (216) [system] char_type('\n', end_of_line)
   Exit: (216) [system] char_type('\n', end_of_line)
^  Exit: (215) [user] is_like_space('\n')
   Call: (215) [system] get_char((0x56051b6b4f40), _1685038)
   Exit: (215) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1687742)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (216) [system] '\t'=(;)
^  Call: (216) [user] is_like_space('\t')
   Call: (217) [system] char_type('\t', 'white')
   Exit: (217) [system] char_type('\t', 'white')
^  Exit: (216) [user] is_like_space('\t')
   Call: (216) [system] get_char((0x56051b6b4f40), _1694552)
   Exit: (216) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1697256)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (217) [system] '\t'=(;)
^  Call: (217) [user] is_like_space('\t')
   Call: (218) [system] char_type('\t', 'white')
   Exit: (218) [system] char_type('\t', 'white')
^  Exit: (217) [user] is_like_space('\t')
   Call: (217) [system] get_char((0x56051b6b4f40), _1704066)
   Exit: (217) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1706770)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1713580)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1716284)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1728448)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1732162)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1734020)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1742488)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1732162)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1748058)
   Exit: (217) [system] peek_char((0x56051b6b4f40), :)
   Call: (217) [system] (:)=(;)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1756526)
   Exit: (216) [system] peek_char((0x56051b6b4f40), :)
   Call: (216) [system] (:)=')'
   Call: (216) [system] (:)=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1760240)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1762098)
   Exit: (218) [system] peek_char((0x56051b6b4f40), :)
   Call: (218) [system] (:)=(;)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1770566)
   Exit: (217) [system] get_char((0x56051b6b4f40), :)
   Call: (217) [system] (:)='('
   Call: (217) [system] (:)='['
   Call: (217) [system] (:)='{'
   Call: (217) [system] (:)='"'
   Call: (217) [system] (:)=!
   Call: (217) [system] (:)='\''
   Call: (217) [system] (:)='`'
   Call: (217) [system] (:)=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), :, _1760240)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1780784)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1781718)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1780784=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq(:, [], _1760240)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1791028, _1791030), once(user:catch(read_from_chars([:], _1760240), _1791004, fail)), '$restore_trace'(_1791028, _1791030))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1791028, _1791030))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1791004, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(:)
   Exit: (219) [system] atomic(:)
^  Exit: (218) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1798528)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1800386)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1807196)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1809900)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1819292)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1823006)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1824864)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1833332)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1823006)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1838902)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1847370)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1851084)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1852942)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'=(;)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1861410)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1851084)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1871628)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1872562)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1876354, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1880924)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1881858)
   Exit: (223) [system] peek_char((0x56051b6b4f40), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_1885650, v('(', ')', end_of_file), s)
   Call: (223) [system] ')'==s
   Call: (223) [system] get_char((0x56051b6b4f40), s)
   Exit: (223) [system] get_char((0x56051b6b4f40), s)
   Call: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1890220)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1891154)
   Exit: (224) [system] peek_char((0x56051b6b4f40), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_1894946, v('(', ')', end_of_file), j)
   Call: (224) [system] ')'==j
   Call: (224) [system] get_char((0x56051b6b4f40), j)
   Exit: (224) [system] get_char((0x56051b6b4f40), j)
   Call: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1899516)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1900450)
   Exit: (225) [system] peek_char((0x56051b6b4f40), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_1904242, v('(', ')', end_of_file), u)
   Call: (225) [system] ')'==u
   Call: (225) [system] get_char((0x56051b6b4f40), u)
   Exit: (225) [system] get_char((0x56051b6b4f40), u)
   Call: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1908812)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1909746)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1913538, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1918108)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1919042)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1922834, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1927404)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1928338)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1932130, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1936700)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1937634)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1941426, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1945996)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1946930)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1950722, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1955292)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1956226)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1960018, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1964588)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1965522)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_1969314, v('(', ')', end_of_file), 'I')
   Call: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (232) [system] get_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1973884)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1974818)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1978610, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1983180)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1984114)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1987906, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1992476)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1993410)
   Exit: (235) [system] peek_char((0x56051b6b4f40), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_1997202, v('(', ')', end_of_file), r)
   Call: (235) [system] ')'==r
   Call: (235) [system] get_char((0x56051b6b4f40), r)
   Exit: (235) [system] get_char((0x56051b6b4f40), r)
   Call: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2001772)
   Call: (236) [system] peek_char((0x56051b6b4f40), _2002706)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_2006498, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2011068)
   Call: (237) [system] peek_char((0x56051b6b4f40), _2012002)
   Exit: (237) [system] peek_char((0x56051b6b4f40), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_2015794, v('(', ')', end_of_file), d)
   Call: (237) [system] ')'==d
   Call: (237) [system] get_char((0x56051b6b4f40), d)
   Exit: (237) [system] get_char((0x56051b6b4f40), d)
   Call: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2020364)
   Call: (238) [system] peek_char((0x56051b6b4f40), _2021298)
   Exit: (238) [system] peek_char((0x56051b6b4f40), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_2025090, v('(', ')', end_of_file), u)
   Call: (238) [system] ')'==u
   Call: (238) [system] get_char((0x56051b6b4f40), u)
   Exit: (238) [system] get_char((0x56051b6b4f40), u)
   Call: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2029660)
   Call: (239) [system] peek_char((0x56051b6b4f40), _2030594)
   Exit: (239) [system] peek_char((0x56051b6b4f40), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_2034386, v('(', ')', end_of_file), c)
   Call: (239) [system] ')'==c
   Call: (239) [system] get_char((0x56051b6b4f40), c)
   Exit: (239) [system] get_char((0x56051b6b4f40), c)
   Call: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2038956)
   Call: (240) [system] peek_char((0x56051b6b4f40), _2039890)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_2043682, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2048252)
   Call: (241) [system] peek_char((0x56051b6b4f40), _2049186)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_2052978, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2057548)
   Call: (242) [system] peek_char((0x56051b6b4f40), _2058482)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_2062274, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2066844)
   Call: (243) [system] peek_char((0x56051b6b4f40), _2067778)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_2071570, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2076140)
   Call: (244) [system] peek_char((0x56051b6b4f40), _2077074)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _2076140=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (243) [system] _2066844=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (242) [system] _2057548=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (241) [system] _2048252=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (240) [system] _2038956=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (239) [system] _5834=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (238) [system] _5830=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (237) [system] _5826=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (236) [system] _5822=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _5818=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _5814=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _5810=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _5806=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _5802=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _5798=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5794=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5790=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5786=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5782=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5778=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5774=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5770=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5766=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5762)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_56934, _56936), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5762), _56910, fail)), '$restore_trace'(_56934, _56936))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_56934, _56936))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5762), _56910, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_5762)
   Call: (222) [system] atom_chars(_5762, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _65386)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _67244)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _74054)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _76758)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(;)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _86150)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
   Call: (220) [system] c=')'
   Call: (220) [system] c=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _89864)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _91722)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(;)
^  Call: (222) [user] is_like_space(c)
   Call: (223) [system] char_type(c, 'white')
   Call: (223) [system] char_type(c, end_of_line)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] char_type(c, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _100190)
   Exit: (221) [system] get_char((0x56051b6b4f40), c)
   Call: (221) [system] c='('
   Call: (221) [system] c='['
   Call: (221) [system] c='{'
   Call: (221) [system] c='"'
   Call: (221) [system] c=!
   Call: (221) [system] c='\''
   Call: (221) [system] c='`'
   Call: (221) [system] c=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), c, _89864)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _110408)
   Call: (223) [system] peek_char((0x56051b6b4f40), _111342)
   Exit: (223) [system] peek_char((0x56051b6b4f40), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_115134, v('(', ')', end_of_file), d)
   Call: (223) [system] ')'==d
   Call: (223) [system] get_char((0x56051b6b4f40), d)
   Exit: (223) [system] get_char((0x56051b6b4f40), d)
   Call: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _119704)
   Call: (224) [system] peek_char((0x56051b6b4f40), _120638)
   Exit: (224) [system] peek_char((0x56051b6b4f40), e)
^  Call: (224) [user] is_delimiter(e)
   Call: (225) [system] char_type(e, space)
   Call: (225) [system] arg(_124430, v('(', ')', end_of_file), e)
   Call: (224) [system] ')'==e
   Call: (224) [system] get_char((0x56051b6b4f40), e)
   Exit: (224) [system] get_char((0x56051b6b4f40), e)
   Call: (224) [system] e=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _129000)
   Call: (225) [system] peek_char((0x56051b6b4f40), _129934)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _129000=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _119704=[e]
   Exit: (224) [system] [e]=[e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (223) [system] _110408=[d, e]
   Exit: (223) [system] [d, e]=[d, e]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (222) [user] classify_and_convert_charseq(c, [d, e], _89864)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_144832, _144834), once(user:catch(read_from_chars([c, d, e], _89864), _144808, fail)), '$restore_trace'(_144832, _144834))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_144832, _144834))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _144808, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(cde)
   Exit: (223) [system] atomic(cde)
^  Exit: (222) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _152332)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _154190)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _161000)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _163704)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(;)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _173096)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
   Call: (221) [system] c=')'
   Call: (221) [system] c=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _176810)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _178668)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(;)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _187136)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c='('
   Call: (222) [system] c='['
   Call: (222) [system] c='{'
   Call: (222) [system] c='"'
   Call: (222) [system] c=!
   Call: (222) [system] c='\''
   Call: (222) [system] c='`'
   Call: (222) [system] c=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), c, _176810)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _197354)
   Call: (224) [system] peek_char((0x56051b6b4f40), _198288)
   Exit: (224) [system] peek_char((0x56051b6b4f40), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_202080, v('(', ')', end_of_file), d)
   Call: (224) [system] ')'==d
   Call: (224) [system] get_char((0x56051b6b4f40), d)
   Exit: (224) [system] get_char((0x56051b6b4f40), d)
   Call: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _206650)
   Call: (225) [system] peek_char((0x56051b6b4f40), _207584)
   Exit: (225) [system] peek_char((0x56051b6b4f40), e)
^  Call: (225) [user] is_delimiter(e)
   Call: (226) [system] char_type(e, space)
   Call: (226) [system] arg(_211376, v('(', ')', end_of_file), e)
   Call: (225) [system] ')'==e
   Call: (225) [system] get_char((0x56051b6b4f40), e)
   Exit: (225) [system] get_char((0x56051b6b4f40), e)
   Call: (225) [system] e=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _215946)
   Call: (226) [system] peek_char((0x56051b6b4f40), _216880)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_220672, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _215946=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _206650=[e]
   Exit: (225) [system] [e]=[e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (224) [system] _197354=[d, e]
   Exit: (224) [system] [d, e]=[d, e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (223) [user] classify_and_convert_charseq(c, [d, e], _176810)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_232722, _232724), once(user:catch(read_from_chars([c, d, e], _176810), _232698, fail)), '$restore_trace'(_232722, _232724))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_232722, _232724))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _232698, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(cde)
   Exit: (224) [system] atomic(cde)
^  Exit: (223) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _240222)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _242080)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _250548)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _254338)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _240222=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _152332=[cde]
   Exit: (221) [system] [cde]=[cde]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (220) [system] _65386=[cde, cde]
   Exit: (220) [system] [cde, cde]=[cde, cde]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [cde, cde])
   Call: (219) [system] _5756=['DisjunctionIntroduction', cde, cde]
   Exit: (219) [system] ['DisjunctionIntroduction', cde, cde]=['DisjunctionIntroduction', cde, cde]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, cde])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, cde])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _268220)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _270078)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _276888)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _279592)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _288984)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _292698)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _294556)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _303024)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _292698)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _308594)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _317062)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _320776)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _322634)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _331102)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _320776)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _341320)
   Call: (223) [system] peek_char((0x56051b6b4f40), _342254)
   Exit: (223) [system] peek_char((0x56051b6b4f40), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_346046, v('(', ')', end_of_file), r)
   Call: (223) [system] ')'==r
   Call: (223) [system] get_char((0x56051b6b4f40), r)
   Exit: (223) [system] get_char((0x56051b6b4f40), r)
   Call: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _350616)
   Call: (224) [system] peek_char((0x56051b6b4f40), _351550)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_355342, v('(', ')', end_of_file), 'L')
   Call: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (224) [system] get_char((0x56051b6b4f40), 'L')
   Call: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _359912)
   Call: (225) [system] peek_char((0x56051b6b4f40), _360846)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_364638, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _369208)
   Call: (226) [system] peek_char((0x56051b6b4f40), _370142)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_373934, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _378504)
   Call: (227) [system] peek_char((0x56051b6b4f40), _379438)
   Exit: (227) [system] peek_char((0x56051b6b4f40), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_383230, v('(', ')', end_of_file), k)
   Call: (227) [system] ')'==k
   Call: (227) [system] get_char((0x56051b6b4f40), k)
   Exit: (227) [system] get_char((0x56051b6b4f40), k)
   Call: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _387800)
   Call: (228) [system] peek_char((0x56051b6b4f40), _388734)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _387800=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _378504=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (226) [system] _369208=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (225) [system] _359912=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (224) [system] _350616=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (223) [system] _341320=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _320776)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_412014, _412016), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _320776), _411990, fail)), '$restore_trace'(_412014, _412016))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_412014, _412016))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _320776), _411990, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_320776)
   Call: (223) [system] atom_chars(_320776, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _420466)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _422324)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _429134)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _431838)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _441230)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _444944)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _446802)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _455270)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _444944)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _460840)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=(;)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _469308)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _473022)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _474880)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _483348)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _473022)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _493566)
   Call: (226) [system] peek_char((0x56051b6b4f40), _494500)
   Exit: (226) [system] peek_char((0x56051b6b4f40), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_498292, v('(', ')', end_of_file), m)
   Call: (226) [system] ')'==m
   Call: (226) [system] get_char((0x56051b6b4f40), m)
   Exit: (226) [system] get_char((0x56051b6b4f40), m)
   Call: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _502862)
   Call: (227) [system] peek_char((0x56051b6b4f40), _503796)
   Exit: (227) [system] peek_char((0x56051b6b4f40), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_507588, v('(', ')', end_of_file), p)
   Call: (227) [system] ')'==p
   Call: (227) [system] get_char((0x56051b6b4f40), p)
   Exit: (227) [system] get_char((0x56051b6b4f40), p)
   Call: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _512158)
   Call: (228) [system] peek_char((0x56051b6b4f40), _513092)
   Exit: (228) [system] peek_char((0x56051b6b4f40), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_516884, v('(', ')', end_of_file), l)
   Call: (228) [system] ')'==l
   Call: (228) [system] get_char((0x56051b6b4f40), l)
   Exit: (228) [system] get_char((0x56051b6b4f40), l)
   Call: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _521454)
   Call: (229) [system] peek_char((0x56051b6b4f40), _522388)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_526180, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _530750)
   Call: (230) [system] peek_char((0x56051b6b4f40), _531684)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_535476, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _540046)
   Call: (231) [system] peek_char((0x56051b6b4f40), _540980)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_544772, v('(', ')', end_of_file), a)
   Call: (231) [system] ')'==a
   Call: (231) [system] get_char((0x56051b6b4f40), a)
   Exit: (231) [system] get_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _549342)
   Call: (232) [system] peek_char((0x56051b6b4f40), _550276)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_554068, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _558638)
   Call: (233) [system] peek_char((0x56051b6b4f40), _559572)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_563364, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _567934)
   Call: (234) [system] peek_char((0x56051b6b4f40), _568868)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_572660, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _577230)
   Call: (235) [system] peek_char((0x56051b6b4f40), _578164)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_581956, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _586526)
   Call: (236) [system] peek_char((0x56051b6b4f40), _587460)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _586526=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _577230=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (234) [system] _567934=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (233) [system] _558638=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (232) [system] _549342=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (231) [system] _540046=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (230) [system] _530750=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (229) [system] _521454=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (228) [system] _512158=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _502862=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _493566=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _473022)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_624710, _624712), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _473022), _624686, fail)), '$restore_trace'(_624710, _624712))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_624710, _624712))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _473022), _624686, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_473022)
   Call: (226) [system] atom_chars(_473022, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _633162)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _635020)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _641830)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _644534)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _653926)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _657640)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _659498)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _667966)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _657640)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _673536)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'=(;)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _682004)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _685718)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _687576)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _696044)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _685718)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _706262)
   Call: (229) [system] peek_char((0x56051b6b4f40), _707196)
   Exit: (229) [system] peek_char((0x56051b6b4f40), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_710988, v('(', ')', end_of_file), r)
   Call: (229) [system] ')'==r
   Call: (229) [system] get_char((0x56051b6b4f40), r)
   Exit: (229) [system] get_char((0x56051b6b4f40), r)
   Call: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _715558)
   Call: (230) [system] peek_char((0x56051b6b4f40), _716492)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_720284, v('(', ')', end_of_file), 'L')
   Call: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (230) [system] get_char((0x56051b6b4f40), 'L')
   Call: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _724854)
   Call: (231) [system] peek_char((0x56051b6b4f40), _725788)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_729580, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _734150)
   Call: (232) [system] peek_char((0x56051b6b4f40), _735084)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_738876, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _743446)
   Call: (233) [system] peek_char((0x56051b6b4f40), _744380)
   Exit: (233) [system] peek_char((0x56051b6b4f40), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_748172, v('(', ')', end_of_file), k)
   Call: (233) [system] ')'==k
   Call: (233) [system] get_char((0x56051b6b4f40), k)
   Exit: (233) [system] get_char((0x56051b6b4f40), k)
   Call: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _752742)
   Call: (234) [system] peek_char((0x56051b6b4f40), _753676)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _752742=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _743446=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (232) [system] _734150=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (231) [system] _724854=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (230) [system] _715558=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (229) [system] _706262=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _685718)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_776956, _776958), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _685718), _776932, fail)), '$restore_trace'(_776956, _776958))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_776956, _776958))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _685718), _776932, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_685718)
   Call: (229) [system] atom_chars(_685718, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _785408)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _787266)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _794076)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _796780)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=(;)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _806172)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=')'
   Call: (227) [system] 'C'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _809886)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _811744)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=(;)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _820212)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'='('
   Call: (228) [system] 'C'='['
   Call: (228) [system] 'C'='{'
   Call: (228) [system] 'C'='"'
   Call: (228) [system] 'C'=!
   Call: (228) [system] 'C'='\''
   Call: (228) [system] 'C'='`'
   Call: (228) [system] 'C'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _809886)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _830430)
   Call: (230) [system] peek_char((0x56051b6b4f40), _831364)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _830430=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('C', [], _809886)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_840674, _840676), once(user:catch(read_from_chars(['C'], _809886), _840650, fail)), '$restore_trace'(_840674, _840676))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_840674, _840676))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _809886), _840650, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_809886)
   Call: (230) [system] atom_chars(_809886, ['C'])
   Exit: (230) [system] atom_chars('C', ['C'])
^  Exit: (229) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _849126)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _850984)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _857794)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _860498)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'=(;)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _869890)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _873604)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _875462)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'=(;)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _883930)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _873604)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _894148)
   Call: (231) [system] peek_char((0x56051b6b4f40), _895082)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_898874, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _894148=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('D', [], _873604)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_905336, _905338), once(user:catch(read_from_chars(['D'], _873604), _905312, fail)), '$restore_trace'(_905336, _905338))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_905336, _905338))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _873604), _905312, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_873604)
   Call: (231) [system] atom_chars(_873604, ['D'])
   Exit: (231) [system] atom_chars('D', ['D'])
^  Exit: (230) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _913788)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _915646)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _924114)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _927904)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _913788=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _849126=['D']
   Exit: (228) [system] ['D']=['D']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (227) [system] _785408=['C', 'D']
   Exit: (227) [system] ['C', 'D']=['C', 'D']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (226) [system] _657640=['OrLink', 'C', 'D']
   Exit: (226) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _941786)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _943644)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _950454)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _953158)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (227) [system] 'E'=(;)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _962550)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (225) [system] 'E'=')'
   Call: (225) [system] 'E'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _966264)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _968122)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (227) [system] 'E'=(;)
^  Call: (227) [user] is_like_space('E')
   Call: (228) [system] char_type('E', 'white')
   Call: (228) [system] char_type('E', end_of_line)
   Call: (228) [system] char_type('E', space)
   Call: (228) [system] char_type('E', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _976590)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'E')
   Call: (226) [system] 'E'='('
   Call: (226) [system] 'E'='['
   Call: (226) [system] 'E'='{'
   Call: (226) [system] 'E'='"'
   Call: (226) [system] 'E'=!
   Call: (226) [system] 'E'='\''
   Call: (226) [system] 'E'='`'
   Call: (226) [system] 'E'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _966264)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _986808)
   Call: (228) [system] peek_char((0x56051b6b4f40), _987742)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_991534, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _986808=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('E', [], _966264)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_997996, _997998), once(user:catch(read_from_chars(['E'], _966264), _997972, fail)), '$restore_trace'(_997996, _997998))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_997996, _997998))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _966264), _997972, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_966264)
   Call: (228) [system] atom_chars(_966264, ['E'])
   Exit: (228) [system] atom_chars('E', ['E'])
^  Exit: (227) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1006448)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1008306)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1016774)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _1020564)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _1006448=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _941786=['E']
   Exit: (225) [system] ['E']=['E']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (224) [system] _633162=[['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (223) [system] _444944=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (223) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1034446)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1036304)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1043114)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1045818)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1055210)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1058924)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1060782)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1069250)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1058924)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1074820)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1083288)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1087002)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1088860)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=(;)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1097328)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1087002)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1107546)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1108480)
   Exit: (227) [system] peek_char((0x56051b6b4f40), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_1112272, v('(', ')', end_of_file), m)
   Call: (227) [system] ')'==m
   Call: (227) [system] get_char((0x56051b6b4f40), m)
   Exit: (227) [system] get_char((0x56051b6b4f40), m)
   Call: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1116842)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1117776)
   Exit: (228) [system] peek_char((0x56051b6b4f40), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_1121568, v('(', ')', end_of_file), p)
   Call: (228) [system] ')'==p
   Call: (228) [system] get_char((0x56051b6b4f40), p)
   Exit: (228) [system] get_char((0x56051b6b4f40), p)
   Call: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1126138)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1127072)
   Exit: (229) [system] peek_char((0x56051b6b4f40), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_1130864, v('(', ')', end_of_file), l)
   Call: (229) [system] ')'==l
   Call: (229) [system] get_char((0x56051b6b4f40), l)
   Exit: (229) [system] get_char((0x56051b6b4f40), l)
   Call: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1135434)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1136368)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1140160, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1144730)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1145664)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1149456, v('(', ')', end_of_file), c)
   Call: (231) [system] ')'==c
   Call: (231) [system] get_char((0x56051b6b4f40), c)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1154026)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1154960)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_1158752, v('(', ')', end_of_file), a)
   Call: (232) [system] ')'==a
   Call: (232) [system] get_char((0x56051b6b4f40), a)
   Exit: (232) [system] get_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1163322)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1164256)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1168048, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1172618)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1173552)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1177344, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1181914)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1182848)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1186640, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1191210)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1192144)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1195936, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1200506)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1201440)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1200506=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1191210=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (235) [system] _1181914=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (234) [system] _1172618=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (233) [system] _1163322=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (232) [system] _1154026=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (231) [system] _1144730=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (230) [system] _1135434=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (229) [system] _1126138=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _1116842=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _1107546=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1087002)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1238690, _1238692), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1087002), _1238666, fail)), '$restore_trace'(_1238690, _1238692))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1238690, _1238692))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1087002), _1238666, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1087002)
   Call: (227) [system] atom_chars(_1087002, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1247142)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1249000)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1255810)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1258514)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1267906)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1271620)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1273478)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1281946)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1271620)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1287516)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1295984)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1299698)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1301556)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1310024)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1299698)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1320242)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1321176)
   Exit: (230) [system] peek_char((0x56051b6b4f40), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_1324968, v('(', ')', end_of_file), r)
   Call: (230) [system] ')'==r
   Call: (230) [system] get_char((0x56051b6b4f40), r)
   Exit: (230) [system] get_char((0x56051b6b4f40), r)
   Call: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1329538)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1330472)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1334264, v('(', ')', end_of_file), 'L')
   Call: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'L')
   Call: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1338834)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1339768)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1343560, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1348130)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1349064)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1352856, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1357426)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1358360)
   Exit: (234) [system] peek_char((0x56051b6b4f40), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1362152, v('(', ')', end_of_file), k)
   Call: (234) [system] ')'==k
   Call: (234) [system] get_char((0x56051b6b4f40), k)
   Exit: (234) [system] get_char((0x56051b6b4f40), k)
   Call: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1366722)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1367656)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1366722=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _1357426=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (233) [system] _1348130=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (232) [system] _1338834=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (231) [system] _1329538=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (230) [system] _1320242=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1299698)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1390936, _1390938), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1299698), _1390912, fail)), '$restore_trace'(_1390936, _1390938))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1390936, _1390938))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1299698), _1390912, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1299698)
   Call: (230) [system] atom_chars(_1299698, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1399388)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1401246)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1408056)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1410760)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1420152)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1423866)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1425724)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1434192)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1423866)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1444410)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1445344)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1444410=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('C', [], _1423866)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1454654, _1454656), once(user:catch(read_from_chars(['C'], _1423866), _1454630, fail)), '$restore_trace'(_1454654, _1454656))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1454654, _1454656))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1423866), _1454630, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1423866)
   Call: (231) [system] atom_chars(_1423866, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1463106)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1464964)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1471774)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1474478)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1483870)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1487584)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1489442)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1497910)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1487584)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1508128)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1509062)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_1512854, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _1508128=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('D', [], _1487584)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1519316, _1519318), once(user:catch(read_from_chars(['D'], _1487584), _1519292, fail)), '$restore_trace'(_1519316, _1519318))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1519316, _1519318))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1487584), _1519292, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1487584)
   Call: (232) [system] atom_chars(_1487584, ['D'])
   Exit: (232) [system] atom_chars('D', ['D'])
^  Exit: (231) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1527768)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1529626)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1538094)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _1541884)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _1527768=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1463106=['D']
   Exit: (229) [system] ['D']=['D']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (228) [system] _1399388=['C', 'D']
   Exit: (228) [system] ['C', 'D']=['C', 'D']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (227) [system] _1271620=['OrLink', 'C', 'D']
   Exit: (227) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1555766)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1557624)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _1564434)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1567138)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (228) [system] 'E'=(;)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1576530)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (226) [system] 'E'=')'
   Call: (226) [system] 'E'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1580244)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1582102)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (228) [system] 'E'=(;)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1590570)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'E')
   Call: (227) [system] 'E'='('
   Call: (227) [system] 'E'='['
   Call: (227) [system] 'E'='{'
   Call: (227) [system] 'E'='"'
   Call: (227) [system] 'E'=!
   Call: (227) [system] 'E'='\''
   Call: (227) [system] 'E'='`'
   Call: (227) [system] 'E'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1580244)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1600788)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1601722)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1605514, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1600788=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('E', [], _1580244)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1611976, _1611978), once(user:catch(read_from_chars(['E'], _1580244), _1611952, fail)), '$restore_trace'(_1611976, _1611978))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1611976, _1611978))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1580244), _1611952, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1580244)
   Call: (229) [system] atom_chars(_1580244, ['E'])
   Exit: (229) [system] atom_chars('E', ['E'])
^  Exit: (228) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1620428)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1622286)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1630754)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _1634544)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _1620428=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _1555766=['E']
   Exit: (226) [system] ['E']=['E']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (225) [system] _1247142=[['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (224) [system] _1058924=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1648426)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1650284)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1658752)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _1662542)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _1648426=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1034446=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (222) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (221) [system] _420466=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (221) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (220) [system] _292698=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (220) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1676424)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1678282)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1686750)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _1690540)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _1676424=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _268220=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (218) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (217) [system] _5752=[['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (217) [system] [['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (216) [system] _5744=[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (216) [system] [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1704422)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1706280)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (216) [system] '\n'=(;)
^  Call: (216) [user] is_like_space('\n')
   Call: (217) [system] char_type('\n', 'white')
   Call: (217) [system] char_type('\n', end_of_line)
   Exit: (217) [system] char_type('\n', end_of_line)
^  Exit: (216) [user] is_like_space('\n')
   Call: (216) [system] get_char((0x56051b6b4f40), _1713896)
   Exit: (216) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1716600)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (217) [system] '\t'=(;)
^  Call: (217) [user] is_like_space('\t')
   Call: (218) [system] char_type('\t', 'white')
   Exit: (218) [system] char_type('\t', 'white')
^  Exit: (217) [user] is_like_space('\t')
   Call: (217) [system] get_char((0x56051b6b4f40), _1723410)
   Exit: (217) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1726114)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (218) [system] '\t'=(;)
^  Call: (218) [user] is_like_space('\t')
   Call: (219) [system] char_type('\t', 'white')
   Exit: (219) [system] char_type('\t', 'white')
^  Exit: (218) [user] is_like_space('\t')
   Call: (218) [system] get_char((0x56051b6b4f40), _1732924)
   Exit: (218) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1735628)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1742438)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1745142)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1757306)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1761020)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1762878)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1771346)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1761020)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1776916)
   Exit: (218) [system] peek_char((0x56051b6b4f40), :)
   Call: (218) [system] (:)=(;)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1785384)
   Exit: (217) [system] peek_char((0x56051b6b4f40), :)
   Call: (217) [system] (:)=')'
   Call: (217) [system] (:)=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1789098)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1790956)
   Exit: (219) [system] peek_char((0x56051b6b4f40), :)
   Call: (219) [system] (:)=(;)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1799424)
   Exit: (218) [system] get_char((0x56051b6b4f40), :)
   Call: (218) [system] (:)='('
   Call: (218) [system] (:)='['
   Call: (218) [system] (:)='{'
   Call: (218) [system] (:)='"'
   Call: (218) [system] (:)=!
   Call: (218) [system] (:)='\''
   Call: (218) [system] (:)='`'
   Call: (218) [system] (:)=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), :, _1789098)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1809642)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1810576)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1809642=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq(:, [], _1789098)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1819886, _1819888), once(user:catch(read_from_chars([:], _1789098), _1819862, fail)), '$restore_trace'(_1819886, _1819888))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1819886, _1819888))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1819862, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(:)
   Exit: (220) [system] atomic(:)
^  Exit: (219) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1827386)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1829244)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1836054)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1838758)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1848150)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1851864)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1853722)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1862190)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1851864)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1867760)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'=(;)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1876228)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1879942)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1881800)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'=(;)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1890268)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1879942)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1900486)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1901420)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1905212, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1909782)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1910716)
   Exit: (224) [system] peek_char((0x56051b6b4f40), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_1914508, v('(', ')', end_of_file), s)
   Call: (224) [system] ')'==s
   Call: (224) [system] get_char((0x56051b6b4f40), s)
   Exit: (224) [system] get_char((0x56051b6b4f40), s)
   Call: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1919078)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1920012)
   Exit: (225) [system] peek_char((0x56051b6b4f40), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_1923804, v('(', ')', end_of_file), j)
   Call: (225) [system] ')'==j
   Call: (225) [system] get_char((0x56051b6b4f40), j)
   Exit: (225) [system] get_char((0x56051b6b4f40), j)
   Call: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1928374)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1929308)
   Exit: (226) [system] peek_char((0x56051b6b4f40), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1933100, v('(', ')', end_of_file), u)
   Call: (226) [system] ')'==u
   Call: (226) [system] get_char((0x56051b6b4f40), u)
   Exit: (226) [system] get_char((0x56051b6b4f40), u)
   Call: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1937670)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1938604)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1942396, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1946966)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1947900)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1951692, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1956262)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1957196)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1960988, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1965558)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1966492)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1970284, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1974854)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1975788)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1979580, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1984150)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1985084)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1988876, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1993446)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1994380)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_1998172, v('(', ')', end_of_file), 'I')
   Call: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (233) [system] get_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2002742)
   Call: (234) [system] peek_char((0x56051b6b4f40), _2003676)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_2007468, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2012038)
   Call: (235) [system] peek_char((0x56051b6b4f40), _2012972)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_2016764, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2021334)
   Call: (236) [system] peek_char((0x56051b6b4f40), _2022268)
   Exit: (236) [system] peek_char((0x56051b6b4f40), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_2026060, v('(', ')', end_of_file), r)
   Call: (236) [system] ')'==r
   Call: (236) [system] get_char((0x56051b6b4f40), r)
   Exit: (236) [system] get_char((0x56051b6b4f40), r)
   Call: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2030630)
   Call: (237) [system] peek_char((0x56051b6b4f40), _2031564)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_2035356, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2039926)
   Call: (238) [system] peek_char((0x56051b6b4f40), _2040860)
   Exit: (238) [system] peek_char((0x56051b6b4f40), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_2044652, v('(', ')', end_of_file), d)
   Call: (238) [system] ')'==d
   Call: (238) [system] get_char((0x56051b6b4f40), d)
   Exit: (238) [system] get_char((0x56051b6b4f40), d)
   Call: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2049222)
   Call: (239) [system] peek_char((0x56051b6b4f40), _2050156)
   Exit: (239) [system] peek_char((0x56051b6b4f40), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_2053948, v('(', ')', end_of_file), u)
   Call: (239) [system] ')'==u
   Call: (239) [system] get_char((0x56051b6b4f40), u)
   Exit: (239) [system] get_char((0x56051b6b4f40), u)
   Call: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2058518)
   Call: (240) [system] peek_char((0x56051b6b4f40), _2059452)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_2063244, v('(', ')', end_of_file), c)
   Call: (240) [system] ')'==c
   Call: (240) [system] get_char((0x56051b6b4f40), c)
   Exit: (240) [system] get_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2067814)
   Call: (241) [system] peek_char((0x56051b6b4f40), _2068748)
   Exit: (241) [system] peek_char((0x56051b6b4f40), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_2072540, v('(', ')', end_of_file), t)
   Call: (241) [system] ')'==t
   Call: (241) [system] get_char((0x56051b6b4f40), t)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2077110)
   Call: (242) [system] peek_char((0x56051b6b4f40), _2078044)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_2081836, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2086406)
   Call: (243) [system] peek_char((0x56051b6b4f40), _2087340)
   Exit: (243) [system] peek_char((0x56051b6b4f40), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_2091132, v('(', ')', end_of_file), o)
   Call: (243) [system] ')'==o
   Call: (243) [system] get_char((0x56051b6b4f40), o)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2095702)
   Call: (244) [system] peek_char((0x56051b6b4f40), _5986)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_9596, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _14166)
   Call: (245) [system] peek_char((0x56051b6b4f40), _15100)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _14166=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (244) [system] _5982=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (243) [system] _5978=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (242) [system] _5974=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (241) [system] _5970=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (240) [system] _5966=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (239) [system] _5962=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (238) [system] _5958=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (237) [system] _5954=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _5950=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _5946=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _5942=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _5938=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _5934=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _5930=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _5926=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5922=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5918=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5914=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5910=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5906=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5902=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5898=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5894)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_85878, _85880), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5894), _85854, fail)), '$restore_trace'(_85878, _85880))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_85878, _85880))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5894), _85854, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_5894)
   Call: (223) [system] atom_chars(_5894, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _94330)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _96188)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _102998)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _105702)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(;)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _115094)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
   Call: (221) [system] c=')'
   Call: (221) [system] c=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _118808)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _120666)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(;)
^  Call: (223) [user] is_like_space(c)
   Call: (224) [system] char_type(c, 'white')
   Call: (224) [system] char_type(c, end_of_line)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] char_type(c, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _129134)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c='('
   Call: (222) [system] c='['
   Call: (222) [system] c='{'
   Call: (222) [system] c='"'
   Call: (222) [system] c=!
   Call: (222) [system] c='\''
   Call: (222) [system] c='`'
   Call: (222) [system] c=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), c, _118808)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _139352)
   Call: (224) [system] peek_char((0x56051b6b4f40), _140286)
   Exit: (224) [system] peek_char((0x56051b6b4f40), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_144078, v('(', ')', end_of_file), d)
   Call: (224) [system] ')'==d
   Call: (224) [system] get_char((0x56051b6b4f40), d)
   Exit: (224) [system] get_char((0x56051b6b4f40), d)
   Call: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _148648)
   Call: (225) [system] peek_char((0x56051b6b4f40), _149582)
   Exit: (225) [system] peek_char((0x56051b6b4f40), e)
^  Call: (225) [user] is_delimiter(e)
   Call: (226) [system] char_type(e, space)
   Call: (226) [system] arg(_153374, v('(', ')', end_of_file), e)
   Call: (225) [system] ')'==e
   Call: (225) [system] get_char((0x56051b6b4f40), e)
   Exit: (225) [system] get_char((0x56051b6b4f40), e)
   Call: (225) [system] e=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _157944)
   Call: (226) [system] peek_char((0x56051b6b4f40), _158878)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _157944=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _148648=[e]
   Exit: (225) [system] [e]=[e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (224) [system] _139352=[d, e]
   Exit: (224) [system] [d, e]=[d, e]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (223) [user] classify_and_convert_charseq(c, [d, e], _118808)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_173776, _173778), once(user:catch(read_from_chars([c, d, e], _118808), _173752, fail)), '$restore_trace'(_173776, _173778))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_173776, _173778))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _173752, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(cde)
   Exit: (224) [system] atomic(cde)
^  Exit: (223) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _181276)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _183134)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _189944)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _192648)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=(;)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _202040)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=')'
   Call: (222) [system] a=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _205754)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _207612)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=(;)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _216080)
   Exit: (223) [system] get_char((0x56051b6b4f40), a)
   Call: (223) [system] a='('
   Call: (223) [system] a='['
   Call: (223) [system] a='{'
   Call: (223) [system] a='"'
   Call: (223) [system] a=!
   Call: (223) [system] a='\''
   Call: (223) [system] a='`'
   Call: (223) [system] a=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), a, _205754)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _226298)
   Call: (225) [system] peek_char((0x56051b6b4f40), _227232)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_231024, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _226298=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq(a, [], _205754)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_237486, _237488), once(user:catch(read_from_chars([a], _205754), _237462, fail)), '$restore_trace'(_237486, _237488))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_237486, _237488))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _237462, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(a)
   Exit: (225) [system] atomic(a)
^  Exit: (224) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _244986)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _246844)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _255312)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _259102)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _244986=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _181276=[a]
   Exit: (222) [system] [a]=[a]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (221) [system] _94330=[cde, a]
   Exit: (221) [system] [cde, a]=[cde, a]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [cde, a])
   Call: (220) [system] _5888=['DisjunctionIntroduction', cde, a]
   Exit: (220) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, a])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, a])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _272984)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _274842)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _281652)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _284356)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _293748)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _297462)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _299320)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _307788)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _297462)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _313358)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _321826)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _325540)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _327398)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _335866)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _325540)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _346084)
   Call: (224) [system] peek_char((0x56051b6b4f40), _347018)
   Exit: (224) [system] peek_char((0x56051b6b4f40), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_350810, v('(', ')', end_of_file), r)
   Call: (224) [system] ')'==r
   Call: (224) [system] get_char((0x56051b6b4f40), r)
   Exit: (224) [system] get_char((0x56051b6b4f40), r)
   Call: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _355380)
   Call: (225) [system] peek_char((0x56051b6b4f40), _356314)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_360106, v('(', ')', end_of_file), 'L')
   Call: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (225) [system] get_char((0x56051b6b4f40), 'L')
   Call: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _364676)
   Call: (226) [system] peek_char((0x56051b6b4f40), _365610)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_369402, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _373972)
   Call: (227) [system] peek_char((0x56051b6b4f40), _374906)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_378698, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _383268)
   Call: (228) [system] peek_char((0x56051b6b4f40), _384202)
   Exit: (228) [system] peek_char((0x56051b6b4f40), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_387994, v('(', ')', end_of_file), k)
   Call: (228) [system] ')'==k
   Call: (228) [system] get_char((0x56051b6b4f40), k)
   Exit: (228) [system] get_char((0x56051b6b4f40), k)
   Call: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _392564)
   Call: (229) [system] peek_char((0x56051b6b4f40), _393498)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _392564=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _383268=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (227) [system] _373972=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (226) [system] _364676=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (225) [system] _355380=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (224) [system] _346084=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _325540)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_416778, _416780), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _325540), _416754, fail)), '$restore_trace'(_416778, _416780))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_416778, _416780))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _325540), _416754, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_325540)
   Call: (224) [system] atom_chars(_325540, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _425230)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _427088)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _433898)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _436602)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _445994)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _449708)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _451566)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _460034)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _449708)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _465604)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _474072)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _477786)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _479644)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=(;)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _488112)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _477786)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _498330)
   Call: (227) [system] peek_char((0x56051b6b4f40), _499264)
   Exit: (227) [system] peek_char((0x56051b6b4f40), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_503056, v('(', ')', end_of_file), m)
   Call: (227) [system] ')'==m
   Call: (227) [system] get_char((0x56051b6b4f40), m)
   Exit: (227) [system] get_char((0x56051b6b4f40), m)
   Call: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _507626)
   Call: (228) [system] peek_char((0x56051b6b4f40), _508560)
   Exit: (228) [system] peek_char((0x56051b6b4f40), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_512352, v('(', ')', end_of_file), p)
   Call: (228) [system] ')'==p
   Call: (228) [system] get_char((0x56051b6b4f40), p)
   Exit: (228) [system] get_char((0x56051b6b4f40), p)
   Call: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _516922)
   Call: (229) [system] peek_char((0x56051b6b4f40), _517856)
   Exit: (229) [system] peek_char((0x56051b6b4f40), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_521648, v('(', ')', end_of_file), l)
   Call: (229) [system] ')'==l
   Call: (229) [system] get_char((0x56051b6b4f40), l)
   Exit: (229) [system] get_char((0x56051b6b4f40), l)
   Call: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _526218)
   Call: (230) [system] peek_char((0x56051b6b4f40), _527152)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_530944, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _535514)
   Call: (231) [system] peek_char((0x56051b6b4f40), _536448)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_540240, v('(', ')', end_of_file), c)
   Call: (231) [system] ')'==c
   Call: (231) [system] get_char((0x56051b6b4f40), c)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _544810)
   Call: (232) [system] peek_char((0x56051b6b4f40), _545744)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_549536, v('(', ')', end_of_file), a)
   Call: (232) [system] ')'==a
   Call: (232) [system] get_char((0x56051b6b4f40), a)
   Exit: (232) [system] get_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _554106)
   Call: (233) [system] peek_char((0x56051b6b4f40), _555040)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_558832, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _563402)
   Call: (234) [system] peek_char((0x56051b6b4f40), _564336)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_568128, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _572698)
   Call: (235) [system] peek_char((0x56051b6b4f40), _573632)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_577424, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _581994)
   Call: (236) [system] peek_char((0x56051b6b4f40), _582928)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_586720, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _591290)
   Call: (237) [system] peek_char((0x56051b6b4f40), _592224)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _591290=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _581994=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (235) [system] _572698=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (234) [system] _563402=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (233) [system] _554106=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (232) [system] _544810=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (231) [system] _535514=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (230) [system] _526218=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (229) [system] _516922=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _507626=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _498330=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _477786)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_629474, _629476), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _477786), _629450, fail)), '$restore_trace'(_629474, _629476))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_629474, _629476))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _477786), _629450, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_477786)
   Call: (227) [system] atom_chars(_477786, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _637926)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _639784)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _646594)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _649298)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _658690)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _662404)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _664262)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _672730)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _662404)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _678300)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _686768)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _690482)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _692340)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _700808)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _690482)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _711026)
   Call: (230) [system] peek_char((0x56051b6b4f40), _711960)
   Exit: (230) [system] peek_char((0x56051b6b4f40), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_715752, v('(', ')', end_of_file), r)
   Call: (230) [system] ')'==r
   Call: (230) [system] get_char((0x56051b6b4f40), r)
   Exit: (230) [system] get_char((0x56051b6b4f40), r)
   Call: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _720322)
   Call: (231) [system] peek_char((0x56051b6b4f40), _721256)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_725048, v('(', ')', end_of_file), 'L')
   Call: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'L')
   Call: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _729618)
   Call: (232) [system] peek_char((0x56051b6b4f40), _730552)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_734344, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _738914)
   Call: (233) [system] peek_char((0x56051b6b4f40), _739848)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_743640, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _748210)
   Call: (234) [system] peek_char((0x56051b6b4f40), _749144)
   Exit: (234) [system] peek_char((0x56051b6b4f40), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_752936, v('(', ')', end_of_file), k)
   Call: (234) [system] ')'==k
   Call: (234) [system] get_char((0x56051b6b4f40), k)
   Exit: (234) [system] get_char((0x56051b6b4f40), k)
   Call: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _757506)
   Call: (235) [system] peek_char((0x56051b6b4f40), _758440)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _757506=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _748210=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (233) [system] _738914=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (232) [system] _729618=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (231) [system] _720322=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (230) [system] _711026=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _690482)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_781720, _781722), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _690482), _781696, fail)), '$restore_trace'(_781720, _781722))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_781720, _781722))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _690482), _781696, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_690482)
   Call: (230) [system] atom_chars(_690482, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _790172)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _792030)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _798840)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _801544)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _810936)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _814650)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _816508)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _824976)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _814650)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _835194)
   Call: (231) [system] peek_char((0x56051b6b4f40), _836128)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _835194=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('C', [], _814650)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_845438, _845440), once(user:catch(read_from_chars(['C'], _814650), _845414, fail)), '$restore_trace'(_845438, _845440))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_845438, _845440))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _814650), _845414, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_814650)
   Call: (231) [system] atom_chars(_814650, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _853890)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _855748)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _862558)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _865262)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _874654)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _878368)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _880226)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _888694)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _878368)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _898912)
   Call: (232) [system] peek_char((0x56051b6b4f40), _899846)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_903638, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _898912=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('D', [], _878368)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_910100, _910102), once(user:catch(read_from_chars(['D'], _878368), _910076, fail)), '$restore_trace'(_910100, _910102))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_910100, _910102))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _878368), _910076, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_878368)
   Call: (232) [system] atom_chars(_878368, ['D'])
   Exit: (232) [system] atom_chars('D', ['D'])
^  Exit: (231) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _918552)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _920410)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _928878)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _932668)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _918552=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _853890=['D']
   Exit: (229) [system] ['D']=['D']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (228) [system] _790172=['C', 'D']
   Exit: (228) [system] ['C', 'D']=['C', 'D']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (227) [system] _662404=['OrLink', 'C', 'D']
   Exit: (227) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _946550)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _948408)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _955218)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _957922)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (228) [system] 'E'=(;)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _967314)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (226) [system] 'E'=')'
   Call: (226) [system] 'E'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _971028)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _972886)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (228) [system] 'E'=(;)
^  Call: (228) [user] is_like_space('E')
   Call: (229) [system] char_type('E', 'white')
   Call: (229) [system] char_type('E', end_of_line)
   Call: (229) [system] char_type('E', space)
   Call: (229) [system] char_type('E', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _981354)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'E')
   Call: (227) [system] 'E'='('
   Call: (227) [system] 'E'='['
   Call: (227) [system] 'E'='{'
   Call: (227) [system] 'E'='"'
   Call: (227) [system] 'E'=!
   Call: (227) [system] 'E'='\''
   Call: (227) [system] 'E'='`'
   Call: (227) [system] 'E'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _971028)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _991572)
   Call: (229) [system] peek_char((0x56051b6b4f40), _992506)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_996298, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _991572=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('E', [], _971028)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1002760, _1002762), once(user:catch(read_from_chars(['E'], _971028), _1002736, fail)), '$restore_trace'(_1002760, _1002762))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1002760, _1002762))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _971028), _1002736, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_971028)
   Call: (229) [system] atom_chars(_971028, ['E'])
   Exit: (229) [system] atom_chars('E', ['E'])
^  Exit: (228) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1011212)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1013070)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1021538)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _1025328)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _1011212=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _946550=['E']
   Exit: (226) [system] ['E']=['E']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (225) [system] _637926=[['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (224) [system] _449708=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (224) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1039210)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1041068)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1047878)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1050582)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1059974)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1063688)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1065546)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1074014)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1063688)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1084232)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1085166)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1088958, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1084232=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _1063688)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1095420, _1095422), once(user:catch(read_from_chars(['A'], _1063688), _1095396, fail)), '$restore_trace'(_1095420, _1095422))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1095420, _1095422))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1063688), _1095396, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1063688)
   Call: (226) [system] atom_chars(_1063688, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1103872)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1105730)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1114198)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _1117988)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _1103872=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1039210=['A']
   Exit: (223) [system] ['A']=['A']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (222) [system] _425230=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (222) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (221) [system] _297462=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (221) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1131870)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1133728)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1142196)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _1145986)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _1131870=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _272984=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (219) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (218) [system] _5884=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (218) [system] [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (217) [system] _5876=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (217) [system] [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1159868)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1161726)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (217) [system] '\n'=(;)
^  Call: (217) [user] is_like_space('\n')
   Call: (218) [system] char_type('\n', 'white')
   Call: (218) [system] char_type('\n', end_of_line)
   Exit: (218) [system] char_type('\n', end_of_line)
^  Exit: (217) [user] is_like_space('\n')
   Call: (217) [system] get_char((0x56051b6b4f40), _1169342)
   Exit: (217) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1172046)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (218) [system] '\t'=(;)
^  Call: (218) [user] is_like_space('\t')
   Call: (219) [system] char_type('\t', 'white')
   Exit: (219) [system] char_type('\t', 'white')
^  Exit: (218) [user] is_like_space('\t')
   Call: (218) [system] get_char((0x56051b6b4f40), _1178856)
   Exit: (218) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1181560)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (219) [system] '\t'=(;)
^  Call: (219) [user] is_like_space('\t')
   Call: (220) [system] char_type('\t', 'white')
   Exit: (220) [system] char_type('\t', 'white')
^  Exit: (219) [user] is_like_space('\t')
   Call: (219) [system] get_char((0x56051b6b4f40), _1188370)
   Exit: (219) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1191074)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1197884)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1200588)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1212752)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1216466)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1218324)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1226792)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1216466)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1232362)
   Exit: (219) [system] peek_char((0x56051b6b4f40), :)
   Call: (219) [system] (:)=(;)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1240830)
   Exit: (218) [system] peek_char((0x56051b6b4f40), :)
   Call: (218) [system] (:)=')'
   Call: (218) [system] (:)=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1244544)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1246402)
   Exit: (220) [system] peek_char((0x56051b6b4f40), :)
   Call: (220) [system] (:)=(;)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1254870)
   Exit: (219) [system] get_char((0x56051b6b4f40), :)
   Call: (219) [system] (:)='('
   Call: (219) [system] (:)='['
   Call: (219) [system] (:)='{'
   Call: (219) [system] (:)='"'
   Call: (219) [system] (:)=!
   Call: (219) [system] (:)='\''
   Call: (219) [system] (:)='`'
   Call: (219) [system] (:)=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), :, _1244544)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1265088)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1266022)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1265088=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (220) [user] classify_and_convert_charseq(:, [], _1244544)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1275332, _1275334), once(user:catch(read_from_chars([:], _1244544), _1275308, fail)), '$restore_trace'(_1275332, _1275334))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1275332, _1275334))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1275308, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(:)
   Exit: (221) [system] atomic(:)
^  Exit: (220) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1282832)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1284690)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1291500)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1294204)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1303596)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1307310)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1309168)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1317636)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1307310)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1323206)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'=(;)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1331674)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1335388)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1337246)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1345714)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1335388)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1355932)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1356866)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1360658, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1365228)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1366162)
   Exit: (225) [system] peek_char((0x56051b6b4f40), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_1369954, v('(', ')', end_of_file), s)
   Call: (225) [system] ')'==s
   Call: (225) [system] get_char((0x56051b6b4f40), s)
   Exit: (225) [system] get_char((0x56051b6b4f40), s)
   Call: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1374524)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1375458)
   Exit: (226) [system] peek_char((0x56051b6b4f40), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_1379250, v('(', ')', end_of_file), j)
   Call: (226) [system] ')'==j
   Call: (226) [system] get_char((0x56051b6b4f40), j)
   Exit: (226) [system] get_char((0x56051b6b4f40), j)
   Call: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1383820)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1384754)
   Exit: (227) [system] peek_char((0x56051b6b4f40), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_1388546, v('(', ')', end_of_file), u)
   Call: (227) [system] ')'==u
   Call: (227) [system] get_char((0x56051b6b4f40), u)
   Exit: (227) [system] get_char((0x56051b6b4f40), u)
   Call: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1393116)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1394050)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1397842, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1402412)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1403346)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1407138, v('(', ')', end_of_file), c)
   Call: (229) [system] ')'==c
   Call: (229) [system] get_char((0x56051b6b4f40), c)
   Exit: (229) [system] get_char((0x56051b6b4f40), c)
   Call: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1411708)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1412642)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1416434, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1421004)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1421938)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1425730, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1430300)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1431234)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1435026, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1439596)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1440530)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1444322, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1448892)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1449826)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_1453618, v('(', ')', end_of_file), 'I')
   Call: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (234) [system] get_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1458188)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1459122)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1462914, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1467484)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1468418)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1472210, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1476780)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1477714)
   Exit: (237) [system] peek_char((0x56051b6b4f40), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_1481506, v('(', ')', end_of_file), r)
   Call: (237) [system] ')'==r
   Call: (237) [system] get_char((0x56051b6b4f40), r)
   Exit: (237) [system] get_char((0x56051b6b4f40), r)
   Call: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1486076)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1487010)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1490802, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1495372)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1496306)
   Exit: (239) [system] peek_char((0x56051b6b4f40), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_1500098, v('(', ')', end_of_file), d)
   Call: (239) [system] ')'==d
   Call: (239) [system] get_char((0x56051b6b4f40), d)
   Exit: (239) [system] get_char((0x56051b6b4f40), d)
   Call: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1504668)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1505602)
   Exit: (240) [system] peek_char((0x56051b6b4f40), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_1509394, v('(', ')', end_of_file), u)
   Call: (240) [system] ')'==u
   Call: (240) [system] get_char((0x56051b6b4f40), u)
   Exit: (240) [system] get_char((0x56051b6b4f40), u)
   Call: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1513964)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1514898)
   Exit: (241) [system] peek_char((0x56051b6b4f40), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_1518690, v('(', ')', end_of_file), c)
   Call: (241) [system] ')'==c
   Call: (241) [system] get_char((0x56051b6b4f40), c)
   Exit: (241) [system] get_char((0x56051b6b4f40), c)
   Call: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1523260)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1524194)
   Exit: (242) [system] peek_char((0x56051b6b4f40), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1527986, v('(', ')', end_of_file), t)
   Call: (242) [system] ')'==t
   Call: (242) [system] get_char((0x56051b6b4f40), t)
   Exit: (242) [system] get_char((0x56051b6b4f40), t)
   Call: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1532556)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1533490)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1537282, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1541852)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1542786)
   Exit: (244) [system] peek_char((0x56051b6b4f40), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1546578, v('(', ')', end_of_file), o)
   Call: (244) [system] ')'==o
   Call: (244) [system] get_char((0x56051b6b4f40), o)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1551148)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1552082)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1555874, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1560444)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1561378)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1560444=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (245) [system] _1551148=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (244) [system] _1541852=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (243) [system] _1532556=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (242) [system] _1523260=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (241) [system] _1513964=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (240) [system] _1504668=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (239) [system] _1495372=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (238) [system] _1486076=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _1476780=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1467484=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1458188=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1448892=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1439596=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1430300=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1421004=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1411708=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1402412=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1393116=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1383820=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1374524=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1365228=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1355932=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1335388)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1632156, _1632158), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1335388), _1632132, fail)), '$restore_trace'(_1632156, _1632158))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1632156, _1632158))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1335388), _1632132, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1335388)
   Call: (224) [system] atom_chars(_1335388, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1640608)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1642466)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1649276)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1651980)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(;)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1661372)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
   Call: (222) [system] c=')'
   Call: (222) [system] c=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1665086)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1666944)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(;)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1675412)
   Exit: (223) [system] get_char((0x56051b6b4f40), c)
   Call: (223) [system] c='('
   Call: (223) [system] c='['
   Call: (223) [system] c='{'
   Call: (223) [system] c='"'
   Call: (223) [system] c=!
   Call: (223) [system] c='\''
   Call: (223) [system] c='`'
   Call: (223) [system] c=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), c, _1665086)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1685630)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1686564)
   Exit: (225) [system] peek_char((0x56051b6b4f40), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1690356, v('(', ')', end_of_file), d)
   Call: (225) [system] ')'==d
   Call: (225) [system] get_char((0x56051b6b4f40), d)
   Exit: (225) [system] get_char((0x56051b6b4f40), d)
   Call: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1694926)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1695860)
   Exit: (226) [system] peek_char((0x56051b6b4f40), e)
^  Call: (226) [user] is_delimiter(e)
   Call: (227) [system] char_type(e, space)
   Call: (227) [system] arg(_1699652, v('(', ')', end_of_file), e)
   Call: (226) [system] ')'==e
   Call: (226) [system] get_char((0x56051b6b4f40), e)
   Exit: (226) [system] get_char((0x56051b6b4f40), e)
   Call: (226) [system] e=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1704222)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1705156)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1704222=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _1694926=[e]
   Exit: (226) [system] [e]=[e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (225) [system] _1685630=[d, e]
   Exit: (225) [system] [d, e]=[d, e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (224) [user] classify_and_convert_charseq(c, [d, e], _1665086)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1720054, _1720056), once(user:catch(read_from_chars([c, d, e], _1665086), _1720030, fail)), '$restore_trace'(_1720054, _1720056))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1720054, _1720056))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1720030, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(cde)
   Exit: (225) [system] atomic(cde)
^  Exit: (224) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1727554)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1729412)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1736222)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1738926)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1748318)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1752032)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1753890)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1762358)
   Exit: (224) [system] get_char((0x56051b6b4f40), a)
   Call: (224) [system] a='('
   Call: (224) [system] a='['
   Call: (224) [system] a='{'
   Call: (224) [system] a='"'
   Call: (224) [system] a=!
   Call: (224) [system] a='\''
   Call: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), a, _1752032)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1772576)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1773510)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1777302, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1772576=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq(a, [], _1752032)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1783764, _1783766), once(user:catch(read_from_chars([a], _1752032), _1783740, fail)), '$restore_trace'(_1783764, _1783766))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1783764, _1783766))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1783740, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(a)
   Exit: (226) [system] atomic(a)
^  Exit: (225) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1791264)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1793122)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1801590)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _1805380)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _1791264=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1727554=[a]
   Exit: (223) [system] [a]=[a]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (222) [system] _1640608=[cde, a]
   Exit: (222) [system] [cde, a]=[cde, a]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [cde, a])
   Call: (221) [system] _1307310=['DisjunctionIntroduction', cde, a]
   Exit: (221) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, a])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, a])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1819262)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1821120)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1827930)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1830634)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1840026)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1843740)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1845598)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1854066)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1843740)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1859636)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1868104)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1871818)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1873676)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1882144)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1871818)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1892362)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1893296)
   Exit: (225) [system] peek_char((0x56051b6b4f40), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1897088, v('(', ')', end_of_file), r)
   Call: (225) [system] ')'==r
   Call: (225) [system] get_char((0x56051b6b4f40), r)
   Exit: (225) [system] get_char((0x56051b6b4f40), r)
   Call: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1901658)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1902592)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1906384, v('(', ')', end_of_file), 'L')
   Call: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (226) [system] get_char((0x56051b6b4f40), 'L')
   Call: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1910954)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1911888)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1915680, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1920250)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1921184)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1924976, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1929546)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1930480)
   Exit: (229) [system] peek_char((0x56051b6b4f40), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_1934272, v('(', ')', end_of_file), k)
   Call: (229) [system] ')'==k
   Call: (229) [system] get_char((0x56051b6b4f40), k)
   Exit: (229) [system] get_char((0x56051b6b4f40), k)
   Call: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1938842)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1939776)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1938842=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1929546=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (228) [system] _1920250=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (227) [system] _1910954=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (226) [system] _1901658=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (225) [system] _1892362=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1871818)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1963056, _1963058), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1871818), _1963032, fail)), '$restore_trace'(_1963056, _1963058))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1963056, _1963058))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1871818), _1963032, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1871818)
   Call: (225) [system] atom_chars(_1871818, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1971508)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1973366)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1980176)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1982880)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1992272)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1995986)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1997844)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _2006312)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1995986)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _2011882)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=(;)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _2020350)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _2024064)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _2025922)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=(;)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _2034390)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _2024064)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2044608)
   Call: (228) [system] peek_char((0x56051b6b4f40), _2045542)
   Exit: (228) [system] peek_char((0x56051b6b4f40), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_2049334, v('(', ')', end_of_file), m)
   Call: (228) [system] ')'==m
   Call: (228) [system] get_char((0x56051b6b4f40), m)
   Exit: (228) [system] get_char((0x56051b6b4f40), m)
   Call: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2053904)
   Call: (229) [system] peek_char((0x56051b6b4f40), _2054838)
   Exit: (229) [system] peek_char((0x56051b6b4f40), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_2058630, v('(', ')', end_of_file), p)
   Call: (229) [system] ')'==p
   Call: (229) [system] get_char((0x56051b6b4f40), p)
   Exit: (229) [system] get_char((0x56051b6b4f40), p)
   Call: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2063200)
   Call: (230) [system] peek_char((0x56051b6b4f40), _2064134)
   Exit: (230) [system] peek_char((0x56051b6b4f40), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_2067926, v('(', ')', end_of_file), l)
   Call: (230) [system] ')'==l
   Call: (230) [system] get_char((0x56051b6b4f40), l)
   Exit: (230) [system] get_char((0x56051b6b4f40), l)
   Call: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2072496)
   Call: (231) [system] peek_char((0x56051b6b4f40), _2073430)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_2077222, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2081792)
   Call: (232) [system] peek_char((0x56051b6b4f40), _2082726)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_2086518, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2091088)
   Call: (233) [system] peek_char((0x56051b6b4f40), _2092022)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_2095814, v('(', ')', end_of_file), a)
   Call: (233) [system] ')'==a
   Call: (233) [system] get_char((0x56051b6b4f40), a)
   Exit: (233) [system] get_char((0x56051b6b4f40), a)
   Call: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _9586)
   Call: (234) [system] peek_char((0x56051b6b4f40), _10520)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_14312, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _18882)
   Call: (235) [system] peek_char((0x56051b6b4f40), _19816)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_23608, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _28178)
   Call: (236) [system] peek_char((0x56051b6b4f40), _29112)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_32904, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _37474)
   Call: (237) [system] peek_char((0x56051b6b4f40), _38408)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_42200, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _46770)
   Call: (238) [system] peek_char((0x56051b6b4f40), _47704)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _46770=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _37474=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (236) [system] _28178=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (235) [system] _18882=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (234) [system] _9586=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (233) [system] _6050=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (232) [system] _6046=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (231) [system] _6042=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (230) [system] _6038=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _6034=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _6030=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _6026)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_84954, _84956), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _6026), _84930, fail)), '$restore_trace'(_84954, _84956))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_84954, _84956))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _6026), _84930, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_6026)
   Call: (228) [system] atom_chars(_6026, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _93406)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _95264)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _102074)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _104778)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _114170)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _117884)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _119742)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _128210)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _117884)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _133780)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _142248)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _145962)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _147820)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (230) [system] 'O'=(;)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _156288)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _145962)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _166506)
   Call: (231) [system] peek_char((0x56051b6b4f40), _167440)
   Exit: (231) [system] peek_char((0x56051b6b4f40), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_171232, v('(', ')', end_of_file), r)
   Call: (231) [system] ')'==r
   Call: (231) [system] get_char((0x56051b6b4f40), r)
   Exit: (231) [system] get_char((0x56051b6b4f40), r)
   Call: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _175802)
   Call: (232) [system] peek_char((0x56051b6b4f40), _176736)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_180528, v('(', ')', end_of_file), 'L')
   Call: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (232) [system] get_char((0x56051b6b4f40), 'L')
   Call: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _185098)
   Call: (233) [system] peek_char((0x56051b6b4f40), _186032)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_189824, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _194394)
   Call: (234) [system] peek_char((0x56051b6b4f40), _195328)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_199120, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _203690)
   Call: (235) [system] peek_char((0x56051b6b4f40), _204624)
   Exit: (235) [system] peek_char((0x56051b6b4f40), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_208416, v('(', ')', end_of_file), k)
   Call: (235) [system] ')'==k
   Call: (235) [system] get_char((0x56051b6b4f40), k)
   Exit: (235) [system] get_char((0x56051b6b4f40), k)
   Call: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _212986)
   Call: (236) [system] peek_char((0x56051b6b4f40), _213920)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _212986=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _203690=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (234) [system] _194394=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (233) [system] _185098=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (232) [system] _175802=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (231) [system] _166506=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _145962)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_237200, _237202), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _145962), _237176, fail)), '$restore_trace'(_237200, _237202))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_237200, _237202))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _145962), _237176, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_145962)
   Call: (231) [system] atom_chars(_145962, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _245652)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _247510)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _254320)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _257024)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _266416)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _270130)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _271988)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _280456)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _270130)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _290674)
   Call: (232) [system] peek_char((0x56051b6b4f40), _291608)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _290674=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('C', [], _270130)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_300918, _300920), once(user:catch(read_from_chars(['C'], _270130), _300894, fail)), '$restore_trace'(_300918, _300920))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_300918, _300920))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _270130), _300894, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_270130)
   Call: (232) [system] atom_chars(_270130, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _309370)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _311228)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _318038)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _320742)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (232) [system] 'D'=(;)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _330134)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _333848)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _335706)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (232) [system] 'D'=(;)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _344174)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _333848)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _354392)
   Call: (233) [system] peek_char((0x56051b6b4f40), _355326)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_359118, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _354392=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('D', [], _333848)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_365580, _365582), once(user:catch(read_from_chars(['D'], _333848), _365556, fail)), '$restore_trace'(_365580, _365582))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_365580, _365582))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _333848), _365556, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_333848)
   Call: (233) [system] atom_chars(_333848, ['D'])
   Exit: (233) [system] atom_chars('D', ['D'])
^  Exit: (232) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _374032)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _375890)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _384358)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _388148)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _374032=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _309370=['D']
   Exit: (230) [system] ['D']=['D']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (229) [system] _245652=['C', 'D']
   Exit: (229) [system] ['C', 'D']=['C', 'D']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (228) [system] _117884=['OrLink', 'C', 'D']
   Exit: (228) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _402030)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _403888)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _410698)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _413402)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (229) [system] 'E'=(;)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _422794)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (227) [system] 'E'=')'
   Call: (227) [system] 'E'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _426508)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _428366)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (229) [system] 'E'=(;)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _436834)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'E')
   Call: (228) [system] 'E'='('
   Call: (228) [system] 'E'='['
   Call: (228) [system] 'E'='{'
   Call: (228) [system] 'E'='"'
   Call: (228) [system] 'E'=!
   Call: (228) [system] 'E'='\''
   Call: (228) [system] 'E'='`'
   Call: (228) [system] 'E'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _426508)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _447052)
   Call: (230) [system] peek_char((0x56051b6b4f40), _447986)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_451778, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _447052=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('E', [], _426508)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_458240, _458242), once(user:catch(read_from_chars(['E'], _426508), _458216, fail)), '$restore_trace'(_458240, _458242))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_458240, _458242))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _426508), _458216, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_426508)
   Call: (230) [system] atom_chars(_426508, ['E'])
   Exit: (230) [system] atom_chars('E', ['E'])
^  Exit: (229) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _466692)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _468550)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _477018)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _480808)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _466692=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _402030=['E']
   Exit: (227) [system] ['E']=['E']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (226) [system] _93406=[['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (225) [system] _6020=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _494690)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _496548)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _503358)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _506062)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _515454)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _519168)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _521026)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _529494)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _519168)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _539712)
   Call: (227) [system] peek_char((0x56051b6b4f40), _540646)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_544438, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _539712=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('B', [], _519168)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_550900, _550902), once(user:catch(read_from_chars(['B'], _519168), _550876, fail)), '$restore_trace'(_550900, _550902))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_550900, _550902))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _519168), _550876, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_519168)
   Call: (227) [system] atom_chars(_519168, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _559352)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _561210)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _569678)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _573468)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _559352=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _494690=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (223) [system] _6016=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (223) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (222) [system] _6008=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (222) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _587350)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _589208)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _597676)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _601466)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _587350=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _6004=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (220) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (219) [system] _5980=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (219) [system] [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (218) [system] _5972=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (218) [system] [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _615348)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _617206)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (218) [system] '\n'=(;)
^  Call: (218) [user] is_like_space('\n')
   Call: (219) [system] char_type('\n', 'white')
   Call: (219) [system] char_type('\n', end_of_line)
   Exit: (219) [system] char_type('\n', end_of_line)
^  Exit: (218) [user] is_like_space('\n')
   Call: (218) [system] get_char((0x56051b6b4f40), _624822)
   Exit: (218) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _627526)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (219) [system] '\t'=(;)
^  Call: (219) [user] is_like_space('\t')
   Call: (220) [system] char_type('\t', 'white')
   Exit: (220) [system] char_type('\t', 'white')
^  Exit: (219) [user] is_like_space('\t')
   Call: (219) [system] get_char((0x56051b6b4f40), _634336)
   Exit: (219) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _637040)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (220) [system] '\t'=(;)
^  Call: (220) [user] is_like_space('\t')
   Call: (221) [system] char_type('\t', 'white')
   Exit: (221) [system] char_type('\t', 'white')
^  Exit: (220) [user] is_like_space('\t')
   Call: (220) [system] get_char((0x56051b6b4f40), _643850)
   Exit: (220) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _646554)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _653364)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _656068)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _668232)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _671946)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _673804)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _682272)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _671946)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _687842)
   Exit: (220) [system] peek_char((0x56051b6b4f40), :)
   Call: (220) [system] (:)=(;)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _696310)
   Exit: (219) [system] peek_char((0x56051b6b4f40), :)
   Call: (219) [system] (:)=')'
   Call: (219) [system] (:)=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _700024)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _701882)
   Exit: (221) [system] peek_char((0x56051b6b4f40), :)
   Call: (221) [system] (:)=(;)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _710350)
   Exit: (220) [system] get_char((0x56051b6b4f40), :)
   Call: (220) [system] (:)='('
   Call: (220) [system] (:)='['
   Call: (220) [system] (:)='{'
   Call: (220) [system] (:)='"'
   Call: (220) [system] (:)=!
   Call: (220) [system] (:)='\''
   Call: (220) [system] (:)='`'
   Call: (220) [system] (:)=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), :, _700024)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _720568)
   Call: (222) [system] peek_char((0x56051b6b4f40), _721502)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _720568=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq(:, [], _700024)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_730812, _730814), once(user:catch(read_from_chars([:], _700024), _730788, fail)), '$restore_trace'(_730812, _730814))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_730812, _730814))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _730788, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(:)
   Exit: (222) [system] atomic(:)
^  Exit: (221) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _738312)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _740170)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _746980)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _749684)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _759076)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _762790)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _764648)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _773116)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _762790)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _778686)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _787154)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _790868)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _792726)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'=(;)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _801194)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _790868)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _811412)
   Call: (225) [system] peek_char((0x56051b6b4f40), _812346)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_816138, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _820708)
   Call: (226) [system] peek_char((0x56051b6b4f40), _821642)
   Exit: (226) [system] peek_char((0x56051b6b4f40), s)
^  Call: (226) [user] is_delimiter(s)
   Call: (227) [system] char_type(s, space)
   Call: (227) [system] arg(_825434, v('(', ')', end_of_file), s)
   Call: (226) [system] ')'==s
   Call: (226) [system] get_char((0x56051b6b4f40), s)
   Exit: (226) [system] get_char((0x56051b6b4f40), s)
   Call: (226) [system] s=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _830004)
   Call: (227) [system] peek_char((0x56051b6b4f40), _830938)
   Exit: (227) [system] peek_char((0x56051b6b4f40), j)
^  Call: (227) [user] is_delimiter(j)
   Call: (228) [system] char_type(j, space)
   Call: (228) [system] arg(_834730, v('(', ')', end_of_file), j)
   Call: (227) [system] ')'==j
   Call: (227) [system] get_char((0x56051b6b4f40), j)
   Exit: (227) [system] get_char((0x56051b6b4f40), j)
   Call: (227) [system] j=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _839300)
   Call: (228) [system] peek_char((0x56051b6b4f40), _840234)
   Exit: (228) [system] peek_char((0x56051b6b4f40), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_844026, v('(', ')', end_of_file), u)
   Call: (228) [system] ')'==u
   Call: (228) [system] get_char((0x56051b6b4f40), u)
   Exit: (228) [system] get_char((0x56051b6b4f40), u)
   Call: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _848596)
   Call: (229) [system] peek_char((0x56051b6b4f40), _849530)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_853322, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _857892)
   Call: (230) [system] peek_char((0x56051b6b4f40), _858826)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_862618, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _867188)
   Call: (231) [system] peek_char((0x56051b6b4f40), _868122)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_871914, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _876484)
   Call: (232) [system] peek_char((0x56051b6b4f40), _877418)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_881210, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _885780)
   Call: (233) [system] peek_char((0x56051b6b4f40), _886714)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_890506, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _895076)
   Call: (234) [system] peek_char((0x56051b6b4f40), _896010)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_899802, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _904372)
   Call: (235) [system] peek_char((0x56051b6b4f40), _905306)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (235) [user] is_delimiter('I')
   Call: (236) [system] char_type('I', space)
   Call: (236) [system] arg(_909098, v('(', ')', end_of_file), 'I')
   Call: (235) [system] ')'=='I'
   Call: (235) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (235) [system] get_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _913668)
   Call: (236) [system] peek_char((0x56051b6b4f40), _914602)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_918394, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _922964)
   Call: (237) [system] peek_char((0x56051b6b4f40), _923898)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_927690, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _932260)
   Call: (238) [system] peek_char((0x56051b6b4f40), _933194)
   Exit: (238) [system] peek_char((0x56051b6b4f40), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_936986, v('(', ')', end_of_file), r)
   Call: (238) [system] ')'==r
   Call: (238) [system] get_char((0x56051b6b4f40), r)
   Exit: (238) [system] get_char((0x56051b6b4f40), r)
   Call: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _941556)
   Call: (239) [system] peek_char((0x56051b6b4f40), _942490)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_946282, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _950852)
   Call: (240) [system] peek_char((0x56051b6b4f40), _951786)
   Exit: (240) [system] peek_char((0x56051b6b4f40), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_955578, v('(', ')', end_of_file), d)
   Call: (240) [system] ')'==d
   Call: (240) [system] get_char((0x56051b6b4f40), d)
   Exit: (240) [system] get_char((0x56051b6b4f40), d)
   Call: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _960148)
   Call: (241) [system] peek_char((0x56051b6b4f40), _961082)
   Exit: (241) [system] peek_char((0x56051b6b4f40), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_964874, v('(', ')', end_of_file), u)
   Call: (241) [system] ')'==u
   Call: (241) [system] get_char((0x56051b6b4f40), u)
   Exit: (241) [system] get_char((0x56051b6b4f40), u)
   Call: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _969444)
   Call: (242) [system] peek_char((0x56051b6b4f40), _970378)
   Exit: (242) [system] peek_char((0x56051b6b4f40), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_974170, v('(', ')', end_of_file), c)
   Call: (242) [system] ')'==c
   Call: (242) [system] get_char((0x56051b6b4f40), c)
   Exit: (242) [system] get_char((0x56051b6b4f40), c)
   Call: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _978740)
   Call: (243) [system] peek_char((0x56051b6b4f40), _979674)
   Exit: (243) [system] peek_char((0x56051b6b4f40), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_983466, v('(', ')', end_of_file), t)
   Call: (243) [system] ')'==t
   Call: (243) [system] get_char((0x56051b6b4f40), t)
   Exit: (243) [system] get_char((0x56051b6b4f40), t)
   Call: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _988036)
   Call: (244) [system] peek_char((0x56051b6b4f40), _988970)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_992762, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _997332)
   Call: (245) [system] peek_char((0x56051b6b4f40), _998266)
   Exit: (245) [system] peek_char((0x56051b6b4f40), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1002058, v('(', ')', end_of_file), o)
   Call: (245) [system] ')'==o
   Call: (245) [system] get_char((0x56051b6b4f40), o)
   Exit: (245) [system] get_char((0x56051b6b4f40), o)
   Call: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1006628)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1007562)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1011354, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1015924)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1016858)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1015924=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (246) [system] _1006628=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (245) [system] _997332=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (244) [system] _988036=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (243) [system] _978740=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (242) [system] _969444=[c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (241) [system] _960148=[u, c, t, i, o, n]
   Exit: (241) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (240) [system] _950852=[d, u, c, t, i, o, n]
   Exit: (240) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (239) [system] _941556=[o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (238) [system] _932260=[r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _922964=[t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _913668=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _904372=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _895076=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _885780=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _876484=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _867188=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _857892=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _848596=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _839300=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _830004=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _820708=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _811412=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _790868)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1087636, _1087638), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _790868), _1087612, fail)), '$restore_trace'(_1087636, _1087638))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1087636, _1087638))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _790868), _1087612, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_790868)
   Call: (225) [system] atom_chars(_790868, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1096088)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1097946)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1104756)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1107460)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1116852)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1120566)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1122424)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1130892)
   Exit: (224) [system] get_char((0x56051b6b4f40), a)
   Call: (224) [system] a='('
   Call: (224) [system] a='['
   Call: (224) [system] a='{'
   Call: (224) [system] a='"'
   Call: (224) [system] a=!
   Call: (224) [system] a='\''
   Call: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), a, _1120566)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1141110)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1142044)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1141110=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq(a, [], _1120566)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1151354, _1151356), once(user:catch(read_from_chars([a], _1120566), _1151330, fail)), '$restore_trace'(_1151354, _1151356))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1151354, _1151356))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1151330, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(a)
   Exit: (226) [system] atomic(a)
^  Exit: (225) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1158854)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1160712)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1167522)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1170226)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1179618)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1183332)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1185190)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1193658)
   Exit: (225) [system] get_char((0x56051b6b4f40), a)
   Call: (225) [system] a='('
   Call: (225) [system] a='['
   Call: (225) [system] a='{'
   Call: (225) [system] a='"'
   Call: (225) [system] a=!
   Call: (225) [system] a='\''
   Call: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), a, _1183332)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1203876)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1204810)
   Exit: (227) [system] peek_char((0x56051b6b4f40), b)
^  Call: (227) [user] is_delimiter(b)
   Call: (228) [system] char_type(b, space)
   Call: (228) [system] arg(_1208602, v('(', ')', end_of_file), b)
   Call: (227) [system] ')'==b
   Call: (227) [system] get_char((0x56051b6b4f40), b)
   Exit: (227) [system] get_char((0x56051b6b4f40), b)
   Call: (227) [system] b=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1213172)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1214106)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1217898, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1222468)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1223402)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1227194, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1222468=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1213172=[c]
   Exit: (228) [system] [c]=[c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (227) [system] _1203876=[b, c]
   Exit: (227) [system] [b, c]=[b, c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (226) [user] classify_and_convert_charseq(a, [b, c], _1183332)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1239244, _1239246), once(user:catch(read_from_chars([a, b, c], _1183332), _1239220, fail)), '$restore_trace'(_1239244, _1239246))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1239244, _1239246))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1239220, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(abc)
   Exit: (227) [system] atomic(abc)
^  Exit: (226) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1246744)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1248602)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1257070)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _1260860)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _1246744=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1158854=[abc]
   Exit: (224) [system] [abc]=[abc]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (223) [system] _1096088=[a, abc]
   Exit: (223) [system] [a, abc]=[a, abc]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [a, abc])
   Call: (222) [system] _762790=['DisjunctionIntroduction', a, abc]
   Exit: (222) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1274742)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1276600)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1283410)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1286114)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1295506)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1299220)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1301078)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1309546)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1299220)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1315116)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1323584)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1327298)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1329156)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1337624)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1327298)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1347842)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1348776)
   Exit: (226) [system] peek_char((0x56051b6b4f40), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1352568, v('(', ')', end_of_file), r)
   Call: (226) [system] ')'==r
   Call: (226) [system] get_char((0x56051b6b4f40), r)
   Exit: (226) [system] get_char((0x56051b6b4f40), r)
   Call: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1357138)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1358072)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1361864, v('(', ')', end_of_file), 'L')
   Call: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'L')
   Call: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1366434)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1367368)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1371160, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1375730)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1376664)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1380456, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1385026)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1385960)
   Exit: (230) [system] peek_char((0x56051b6b4f40), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1389752, v('(', ')', end_of_file), k)
   Call: (230) [system] ')'==k
   Call: (230) [system] get_char((0x56051b6b4f40), k)
   Exit: (230) [system] get_char((0x56051b6b4f40), k)
   Call: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1394322)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1395256)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1394322=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1385026=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (229) [system] _1375730=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (228) [system] _1366434=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (227) [system] _1357138=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (226) [system] _1347842=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1327298)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1418536, _1418538), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1327298), _1418512, fail)), '$restore_trace'(_1418536, _1418538))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1418536, _1418538))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1327298), _1418512, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1327298)
   Call: (226) [system] atom_chars(_1327298, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1426988)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1428846)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1435656)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1438360)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1447752)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1451466)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1453324)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1461792)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1451466)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1472010)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1472944)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1472010=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('A', [], _1451466)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1482254, _1482256), once(user:catch(read_from_chars(['A'], _1451466), _1482230, fail)), '$restore_trace'(_1482254, _1482256))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1482254, _1482256))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1451466), _1482230, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1451466)
   Call: (227) [system] atom_chars(_1451466, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1490706)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1492564)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1499374)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1502078)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1511470)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1515184)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1517042)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1525510)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1515184)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1531080)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=(;)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1539548)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1543262)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1545120)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=(;)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1553588)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1543262)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1563806)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1564740)
   Exit: (230) [system] peek_char((0x56051b6b4f40), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_1568532, v('(', ')', end_of_file), m)
   Call: (230) [system] ')'==m
   Call: (230) [system] get_char((0x56051b6b4f40), m)
   Exit: (230) [system] get_char((0x56051b6b4f40), m)
   Call: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1573102)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1574036)
   Exit: (231) [system] peek_char((0x56051b6b4f40), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_1577828, v('(', ')', end_of_file), p)
   Call: (231) [system] ')'==p
   Call: (231) [system] get_char((0x56051b6b4f40), p)
   Exit: (231) [system] get_char((0x56051b6b4f40), p)
   Call: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1582398)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1583332)
   Exit: (232) [system] peek_char((0x56051b6b4f40), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_1587124, v('(', ')', end_of_file), l)
   Call: (232) [system] ')'==l
   Call: (232) [system] get_char((0x56051b6b4f40), l)
   Exit: (232) [system] get_char((0x56051b6b4f40), l)
   Call: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1591694)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1592628)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1596420, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1600990)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1601924)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1605716, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1610286)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1611220)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_1615012, v('(', ')', end_of_file), a)
   Call: (235) [system] ')'==a
   Call: (235) [system] get_char((0x56051b6b4f40), a)
   Exit: (235) [system] get_char((0x56051b6b4f40), a)
   Call: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1619582)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1620516)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1624308, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1628878)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1629812)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1633604, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1638174)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1639108)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1642900, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1647470)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1648404)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1652196, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1656766)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1657700)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1656766=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _1647470=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (238) [system] _1638174=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (237) [system] _1628878=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (236) [system] _1619582=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (235) [system] _1610286=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (234) [system] _1600990=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (233) [system] _1591694=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (232) [system] _1582398=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _1573102=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _1563806=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1543262)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1694950, _1694952), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1543262), _1694926, fail)), '$restore_trace'(_1694950, _1694952))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1694950, _1694952))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1543262), _1694926, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1543262)
   Call: (230) [system] atom_chars(_1543262, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (230) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1703402)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1705260)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1712070)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1714774)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1724166)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1727880)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1729738)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1738206)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1727880)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1743776)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1752244)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1755958)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1757816)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1766284)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1755958)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1776502)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1777436)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1781228, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1785798)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1786732)
   Exit: (234) [system] peek_char((0x56051b6b4f40), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_1790524, v('(', ')', end_of_file), d)
   Call: (234) [system] ')'==d
   Call: (234) [system] get_char((0x56051b6b4f40), d)
   Exit: (234) [system] get_char((0x56051b6b4f40), d)
   Call: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1795094)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1796028)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_1799820, v('(', ')', end_of_file), 'L')
   Call: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (235) [system] get_char((0x56051b6b4f40), 'L')
   Call: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1804390)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1805324)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1809116, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1813686)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1814620)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1818412, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1822982)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1823916)
   Exit: (238) [system] peek_char((0x56051b6b4f40), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_1827708, v('(', ')', end_of_file), k)
   Call: (238) [system] ')'==k
   Call: (238) [system] get_char((0x56051b6b4f40), k)
   Exit: (238) [system] get_char((0x56051b6b4f40), k)
   Call: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1832278)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1833212)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1832278=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _1822982=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (237) [system] _1813686=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (236) [system] _1804390=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (235) [system] _1795094=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (234) [system] _1785798=[d, 'L', i, n, k]
   Exit: (234) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (233) [system] _1776502=[n, d, 'L', i, n, k]
   Exit: (233) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1755958)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1859286, _1859288), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1755958), _1859262, fail)), '$restore_trace'(_1859286, _1859288))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1859286, _1859288))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1755958), _1859262, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1755958)
   Call: (233) [system] atom_chars(_1755958, ['A', n, d, 'L', i, n, k])
   Exit: (233) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1867738)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1869596)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1876406)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1879110)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1888502)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1892216)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1894074)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1902542)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1892216)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1912760)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1913694)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1912760=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('A', [], _1892216)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1923004, _1923006), once(user:catch(read_from_chars(['A'], _1892216), _1922980, fail)), '$restore_trace'(_1923004, _1923006))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1923004, _1923006))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1892216), _1922980, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1892216)
   Call: (234) [system] atom_chars(_1892216, ['A'])
   Exit: (234) [system] atom_chars('A', ['A'])
^  Exit: (233) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1931456)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1933314)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1940124)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1942828)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1952220)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1955934)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1957792)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1966260)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1955934)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1976478)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1977412)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_1981204, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _1976478=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq('B', [], _1955934)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1987666, _1987668), once(user:catch(read_from_chars(['B'], _1955934), _1987642, fail)), '$restore_trace'(_1987666, _1987668))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1987666, _1987668))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1955934), _1987642, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1955934)
   Call: (235) [system] atom_chars(_1955934, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1996118)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1997976)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _2006444)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _2010234)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _1996118=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _1931456=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (231) [system] _1867738=['A', 'B']
   Exit: (231) [system] ['A', 'B']=['A', 'B']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (230) [system] _1727880=['AndLink', 'A', 'B']
   Exit: (230) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _2024116)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _2025974)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _2032784)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _2035488)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _2044880)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _2048594)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _2050452)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _2058920)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2048594)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2069138)
   Call: (232) [system] peek_char((0x56051b6b4f40), _2070072)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_2073864, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _2069138=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('C', [], _2048594)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_2080326, _2080328), once(user:catch(read_from_chars(['C'], _2048594), _2080302, fail)), '$restore_trace'(_2080326, _2080328))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_2080326, _2080328))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2048594), _2080302, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_2048594)
   Call: (232) [system] atom_chars(_2048594, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _2088778)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _2090636)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _8540)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _12330)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _6160=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _6154=['C']
   Exit: (229) [system] ['C']=['C']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (228) [system] _6130=[['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (227) [system] _6122=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _26212)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _28070)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _36538)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _40328)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _26212=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _6118=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (225) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (224) [system] _6112=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (224) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (223) [system] _6104=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (223) [system] ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _54210)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _56068)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _64536)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _68326)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _54210=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _6100=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (221) [system] [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (220) [system] _6076=[['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (220) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (219) [system] _6068=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (219) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _82208)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _84066)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (219) [system] '\n'=(;)
^  Call: (219) [user] is_like_space('\n')
   Call: (220) [system] char_type('\n', 'white')
   Call: (220) [system] char_type('\n', end_of_line)
   Exit: (220) [system] char_type('\n', end_of_line)
^  Exit: (219) [user] is_like_space('\n')
   Call: (219) [system] get_char((0x56051b6b4f40), _91682)
   Exit: (219) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _94386)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (220) [system] '\t'=(;)
^  Call: (220) [user] is_like_space('\t')
   Call: (221) [system] char_type('\t', 'white')
   Exit: (221) [system] char_type('\t', 'white')
^  Exit: (220) [user] is_like_space('\t')
   Call: (220) [system] get_char((0x56051b6b4f40), _101196)
   Exit: (220) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _103900)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (221) [system] '\t'=(;)
^  Call: (221) [user] is_like_space('\t')
   Call: (222) [system] char_type('\t', 'white')
   Exit: (222) [system] char_type('\t', 'white')
^  Exit: (221) [user] is_like_space('\t')
   Call: (221) [system] get_char((0x56051b6b4f40), _110710)
   Exit: (221) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _113414)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _120224)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _122928)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _135092)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _138806)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _140664)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _149132)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _138806)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _154702)
   Exit: (221) [system] peek_char((0x56051b6b4f40), :)
   Call: (221) [system] (:)=(;)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _163170)
   Exit: (220) [system] peek_char((0x56051b6b4f40), :)
   Call: (220) [system] (:)=')'
   Call: (220) [system] (:)=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _166884)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _168742)
   Exit: (222) [system] peek_char((0x56051b6b4f40), :)
   Call: (222) [system] (:)=(;)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _177210)
   Exit: (221) [system] get_char((0x56051b6b4f40), :)
   Call: (221) [system] (:)='('
   Call: (221) [system] (:)='['
   Call: (221) [system] (:)='{'
   Call: (221) [system] (:)='"'
   Call: (221) [system] (:)=!
   Call: (221) [system] (:)='\''
   Call: (221) [system] (:)='`'
   Call: (221) [system] (:)=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), :, _166884)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _187428)
   Call: (223) [system] peek_char((0x56051b6b4f40), _188362)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _187428=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq(:, [], _166884)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_197672, _197674), once(user:catch(read_from_chars([:], _166884), _197648, fail)), '$restore_trace'(_197672, _197674))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_197672, _197674))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _197648, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(:)
   Exit: (223) [system] atomic(:)
^  Exit: (222) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _205172)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _207030)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _213840)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _216544)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _225936)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _229650)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _231508)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _239976)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _229650)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _245546)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'=(;)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _254014)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _257728)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _259586)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'=(;)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _268054)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _257728)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _278272)
   Call: (226) [system] peek_char((0x56051b6b4f40), _279206)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_282998, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _287568)
   Call: (227) [system] peek_char((0x56051b6b4f40), _288502)
   Exit: (227) [system] peek_char((0x56051b6b4f40), s)
^  Call: (227) [user] is_delimiter(s)
   Call: (228) [system] char_type(s, space)
   Call: (228) [system] arg(_292294, v('(', ')', end_of_file), s)
   Call: (227) [system] ')'==s
   Call: (227) [system] get_char((0x56051b6b4f40), s)
   Exit: (227) [system] get_char((0x56051b6b4f40), s)
   Call: (227) [system] s=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _296864)
   Call: (228) [system] peek_char((0x56051b6b4f40), _297798)
   Exit: (228) [system] peek_char((0x56051b6b4f40), j)
^  Call: (228) [user] is_delimiter(j)
   Call: (229) [system] char_type(j, space)
   Call: (229) [system] arg(_301590, v('(', ')', end_of_file), j)
   Call: (228) [system] ')'==j
   Call: (228) [system] get_char((0x56051b6b4f40), j)
   Exit: (228) [system] get_char((0x56051b6b4f40), j)
   Call: (228) [system] j=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _306160)
   Call: (229) [system] peek_char((0x56051b6b4f40), _307094)
   Exit: (229) [system] peek_char((0x56051b6b4f40), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_310886, v('(', ')', end_of_file), u)
   Call: (229) [system] ')'==u
   Call: (229) [system] get_char((0x56051b6b4f40), u)
   Exit: (229) [system] get_char((0x56051b6b4f40), u)
   Call: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _315456)
   Call: (230) [system] peek_char((0x56051b6b4f40), _316390)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_320182, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _324752)
   Call: (231) [system] peek_char((0x56051b6b4f40), _325686)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_329478, v('(', ')', end_of_file), c)
   Call: (231) [system] ')'==c
   Call: (231) [system] get_char((0x56051b6b4f40), c)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _334048)
   Call: (232) [system] peek_char((0x56051b6b4f40), _334982)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_338774, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _343344)
   Call: (233) [system] peek_char((0x56051b6b4f40), _344278)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_348070, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _352640)
   Call: (234) [system] peek_char((0x56051b6b4f40), _353574)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_357366, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _361936)
   Call: (235) [system] peek_char((0x56051b6b4f40), _362870)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_366662, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _371232)
   Call: (236) [system] peek_char((0x56051b6b4f40), _372166)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (236) [user] is_delimiter('I')
   Call: (237) [system] char_type('I', space)
   Call: (237) [system] arg(_375958, v('(', ')', end_of_file), 'I')
   Call: (236) [system] ')'=='I'
   Call: (236) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (236) [system] get_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _380528)
   Call: (237) [system] peek_char((0x56051b6b4f40), _381462)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_385254, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _389824)
   Call: (238) [system] peek_char((0x56051b6b4f40), _390758)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_394550, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _399120)
   Call: (239) [system] peek_char((0x56051b6b4f40), _400054)
   Exit: (239) [system] peek_char((0x56051b6b4f40), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_403846, v('(', ')', end_of_file), r)
   Call: (239) [system] ')'==r
   Call: (239) [system] get_char((0x56051b6b4f40), r)
   Exit: (239) [system] get_char((0x56051b6b4f40), r)
   Call: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _408416)
   Call: (240) [system] peek_char((0x56051b6b4f40), _409350)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_413142, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _417712)
   Call: (241) [system] peek_char((0x56051b6b4f40), _418646)
   Exit: (241) [system] peek_char((0x56051b6b4f40), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_422438, v('(', ')', end_of_file), d)
   Call: (241) [system] ')'==d
   Call: (241) [system] get_char((0x56051b6b4f40), d)
   Exit: (241) [system] get_char((0x56051b6b4f40), d)
   Call: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _427008)
   Call: (242) [system] peek_char((0x56051b6b4f40), _427942)
   Exit: (242) [system] peek_char((0x56051b6b4f40), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_431734, v('(', ')', end_of_file), u)
   Call: (242) [system] ')'==u
   Call: (242) [system] get_char((0x56051b6b4f40), u)
   Exit: (242) [system] get_char((0x56051b6b4f40), u)
   Call: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _436304)
   Call: (243) [system] peek_char((0x56051b6b4f40), _437238)
   Exit: (243) [system] peek_char((0x56051b6b4f40), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_441030, v('(', ')', end_of_file), c)
   Call: (243) [system] ')'==c
   Call: (243) [system] get_char((0x56051b6b4f40), c)
   Exit: (243) [system] get_char((0x56051b6b4f40), c)
   Call: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _445600)
   Call: (244) [system] peek_char((0x56051b6b4f40), _446534)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_450326, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454896)
   Call: (245) [system] peek_char((0x56051b6b4f40), _455830)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_459622, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _464192)
   Call: (246) [system] peek_char((0x56051b6b4f40), _465126)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_468918, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _473488)
   Call: (247) [system] peek_char((0x56051b6b4f40), _474422)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_478214, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _482784)
   Call: (248) [system] peek_char((0x56051b6b4f40), _483718)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _482784=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _473488=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (246) [system] _464192=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (245) [system] _454896=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (244) [system] _445600=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (243) [system] _436304=[c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (242) [system] _427008=[u, c, t, i, o, n]
   Exit: (242) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (241) [system] _417712=[d, u, c, t, i, o, n]
   Exit: (241) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (240) [system] _408416=[o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (239) [system] _399120=[r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _389824=[t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _380528=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _371232=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _361936=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _352640=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _343344=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _334048=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _324752=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _315456=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _306160=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _296864=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _287568=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _278272=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _257728)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_554496, _554498), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _257728), _554472, fail)), '$restore_trace'(_554496, _554498))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_554496, _554498))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _257728), _554472, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_257728)
   Call: (226) [system] atom_chars(_257728, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (226) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _562948)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _564806)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _571616)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _574320)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _583712)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _587426)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _589284)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _597752)
   Exit: (225) [system] get_char((0x56051b6b4f40), a)
   Call: (225) [system] a='('
   Call: (225) [system] a='['
   Call: (225) [system] a='{'
   Call: (225) [system] a='"'
   Call: (225) [system] a=!
   Call: (225) [system] a='\''
   Call: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), a, _587426)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _607970)
   Call: (227) [system] peek_char((0x56051b6b4f40), _608904)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _607970=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq(a, [], _587426)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_618214, _618216), once(user:catch(read_from_chars([a], _587426), _618190, fail)), '$restore_trace'(_618214, _618216))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_618214, _618216))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _618190, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(a)
   Exit: (227) [system] atomic(a)
^  Exit: (226) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _625714)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _627572)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _634382)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _637086)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(;)
^  Call: (227) [user] is_like_space(c)
   Call: (228) [system] char_type(c, 'white')
   Call: (228) [system] char_type(c, end_of_line)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] char_type(c, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _646478)
   Exit: (225) [system] peek_char((0x56051b6b4f40), c)
   Call: (225) [system] c=')'
   Call: (225) [system] c=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _650192)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _652050)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(;)
^  Call: (227) [user] is_like_space(c)
   Call: (228) [system] char_type(c, 'white')
   Call: (228) [system] char_type(c, end_of_line)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] char_type(c, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _660518)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c='('
   Call: (226) [system] c='['
   Call: (226) [system] c='{'
   Call: (226) [system] c='"'
   Call: (226) [system] c=!
   Call: (226) [system] c='\''
   Call: (226) [system] c='`'
   Call: (226) [system] c=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), c, _650192)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _670736)
   Call: (228) [system] peek_char((0x56051b6b4f40), _671670)
   Exit: (228) [system] peek_char((0x56051b6b4f40), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_675462, v('(', ')', end_of_file), d)
   Call: (228) [system] ')'==d
   Call: (228) [system] get_char((0x56051b6b4f40), d)
   Exit: (228) [system] get_char((0x56051b6b4f40), d)
   Call: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _680032)
   Call: (229) [system] peek_char((0x56051b6b4f40), _680966)
   Exit: (229) [system] peek_char((0x56051b6b4f40), e)
^  Call: (229) [user] is_delimiter(e)
   Call: (230) [system] char_type(e, space)
   Call: (230) [system] arg(_684758, v('(', ')', end_of_file), e)
   Call: (229) [system] ')'==e
   Call: (229) [system] get_char((0x56051b6b4f40), e)
   Exit: (229) [system] get_char((0x56051b6b4f40), e)
   Call: (229) [system] e=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _689328)
   Call: (230) [system] peek_char((0x56051b6b4f40), _690262)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_694054, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _689328=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _680032=[e]
   Exit: (229) [system] [e]=[e]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (228) [system] _670736=[d, e]
   Exit: (228) [system] [d, e]=[d, e]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (227) [user] classify_and_convert_charseq(c, [d, e], _650192)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_706104, _706106), once(user:catch(read_from_chars([c, d, e], _650192), _706080, fail)), '$restore_trace'(_706104, _706106))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_706104, _706106))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _706080, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(cde)
   Exit: (228) [system] atomic(cde)
^  Exit: (227) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _713604)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _715462)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _723930)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _727720)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _713604=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _625714=[cde]
   Exit: (225) [system] [cde]=[cde]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (224) [system] _562948=[a, cde]
   Exit: (224) [system] [a, cde]=[a, cde]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [a, cde])
   Call: (223) [system] _229650=['DisjunctionIntroduction', a, cde]
   Exit: (223) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _741602)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _743460)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _750270)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _752974)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _762366)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _766080)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _767938)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _776406)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _766080)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _781976)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _790444)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _794158)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _796016)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _804484)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _794158)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _814702)
   Call: (227) [system] peek_char((0x56051b6b4f40), _815636)
   Exit: (227) [system] peek_char((0x56051b6b4f40), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_819428, v('(', ')', end_of_file), r)
   Call: (227) [system] ')'==r
   Call: (227) [system] get_char((0x56051b6b4f40), r)
   Exit: (227) [system] get_char((0x56051b6b4f40), r)
   Call: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _823998)
   Call: (228) [system] peek_char((0x56051b6b4f40), _824932)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_828724, v('(', ')', end_of_file), 'L')
   Call: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (228) [system] get_char((0x56051b6b4f40), 'L')
   Call: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _833294)
   Call: (229) [system] peek_char((0x56051b6b4f40), _834228)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_838020, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _842590)
   Call: (230) [system] peek_char((0x56051b6b4f40), _843524)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_847316, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _851886)
   Call: (231) [system] peek_char((0x56051b6b4f40), _852820)
   Exit: (231) [system] peek_char((0x56051b6b4f40), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_856612, v('(', ')', end_of_file), k)
   Call: (231) [system] ')'==k
   Call: (231) [system] get_char((0x56051b6b4f40), k)
   Exit: (231) [system] get_char((0x56051b6b4f40), k)
   Call: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _861182)
   Call: (232) [system] peek_char((0x56051b6b4f40), _862116)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _861182=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _851886=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (230) [system] _842590=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (229) [system] _833294=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (228) [system] _823998=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (227) [system] _814702=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _794158)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_885396, _885398), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _794158), _885372, fail)), '$restore_trace'(_885396, _885398))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_885396, _885398))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _794158), _885372, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_794158)
   Call: (227) [system] atom_chars(_794158, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _893848)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _895706)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _902516)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _905220)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _914612)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _918326)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _920184)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _928652)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _918326)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _938870)
   Call: (228) [system] peek_char((0x56051b6b4f40), _939804)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _938870=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('A', [], _918326)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_949114, _949116), once(user:catch(read_from_chars(['A'], _918326), _949090, fail)), '$restore_trace'(_949114, _949116))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_949114, _949116))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _918326), _949090, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_918326)
   Call: (228) [system] atom_chars(_918326, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _957566)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _959424)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _966234)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _968938)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _978330)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _982044)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _983902)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _992370)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _982044)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _997940)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=(;)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1006408)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=')'
   Call: (228) [system] 'I'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1010122)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1011980)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'=(;)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1020448)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'='('
   Call: (229) [system] 'I'='['
   Call: (229) [system] 'I'='{'
   Call: (229) [system] 'I'='"'
   Call: (229) [system] 'I'=!
   Call: (229) [system] 'I'='\''
   Call: (229) [system] 'I'='`'
   Call: (229) [system] 'I'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1010122)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1030666)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1031600)
   Exit: (231) [system] peek_char((0x56051b6b4f40), m)
^  Call: (231) [user] is_delimiter(m)
   Call: (232) [system] char_type(m, space)
   Call: (232) [system] arg(_1035392, v('(', ')', end_of_file), m)
   Call: (231) [system] ')'==m
   Call: (231) [system] get_char((0x56051b6b4f40), m)
   Exit: (231) [system] get_char((0x56051b6b4f40), m)
   Call: (231) [system] m=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1039962)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1040896)
   Exit: (232) [system] peek_char((0x56051b6b4f40), p)
^  Call: (232) [user] is_delimiter(p)
   Call: (233) [system] char_type(p, space)
   Call: (233) [system] arg(_1044688, v('(', ')', end_of_file), p)
   Call: (232) [system] ')'==p
   Call: (232) [system] get_char((0x56051b6b4f40), p)
   Exit: (232) [system] get_char((0x56051b6b4f40), p)
   Call: (232) [system] p=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1049258)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1050192)
   Exit: (233) [system] peek_char((0x56051b6b4f40), l)
^  Call: (233) [user] is_delimiter(l)
   Call: (234) [system] char_type(l, space)
   Call: (234) [system] arg(_1053984, v('(', ')', end_of_file), l)
   Call: (233) [system] ')'==l
   Call: (233) [system] get_char((0x56051b6b4f40), l)
   Exit: (233) [system] get_char((0x56051b6b4f40), l)
   Call: (233) [system] l=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1058554)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1059488)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1063280, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1067850)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1068784)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1072576, v('(', ')', end_of_file), c)
   Call: (235) [system] ')'==c
   Call: (235) [system] get_char((0x56051b6b4f40), c)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1077146)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1078080)
   Exit: (236) [system] peek_char((0x56051b6b4f40), a)
^  Call: (236) [user] is_delimiter(a)
   Call: (237) [system] char_type(a, space)
   Call: (237) [system] arg(_1081872, v('(', ')', end_of_file), a)
   Call: (236) [system] ')'==a
   Call: (236) [system] get_char((0x56051b6b4f40), a)
   Exit: (236) [system] get_char((0x56051b6b4f40), a)
   Call: (236) [system] a=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1086442)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1087376)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1091168, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1095738)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1096672)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1100464, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1105034)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1105968)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1109760, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1114330)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1115264)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1119056, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1123626)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1124560)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1123626=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _1114330=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (239) [system] _1105034=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (238) [system] _1095738=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (237) [system] _1086442=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (236) [system] _1077146=[a, t, i, o, n]
   Exit: (236) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (235) [system] _1067850=[c, a, t, i, o, n]
   Exit: (235) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (234) [system] _1058554=[i, c, a, t, i, o, n]
   Exit: (234) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (233) [system] _1049258=[l, i, c, a, t, i, o, n]
   Exit: (233) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (232) [system] _1039962=[p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (231) [system] _1030666=[m, p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1010122)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1161810, _1161812), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1010122), _1161786, fail)), '$restore_trace'(_1161810, _1161812))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1161810, _1161812))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1010122), _1161786, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1010122)
   Call: (231) [system] atom_chars(_1010122, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (231) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1170262)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1172120)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1178930)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1181634)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1191026)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1194740)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1196598)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1205066)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1194740)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1210636)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (232) [system] 'O'=(;)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1219104)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (231) [system] 'O'=')'
   Call: (231) [system] 'O'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1222818)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1224676)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (233) [system] 'O'=(;)
^  Call: (233) [user] is_like_space('O')
   Call: (234) [system] char_type('O', 'white')
   Call: (234) [system] char_type('O', end_of_line)
   Call: (234) [system] char_type('O', space)
   Call: (234) [system] char_type('O', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1233144)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'O')
   Call: (232) [system] 'O'='('
   Call: (232) [system] 'O'='['
   Call: (232) [system] 'O'='{'
   Call: (232) [system] 'O'='"'
   Call: (232) [system] 'O'=!
   Call: (232) [system] 'O'='\''
   Call: (232) [system] 'O'='`'
   Call: (232) [system] 'O'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1222818)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1243362)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1244296)
   Exit: (234) [system] peek_char((0x56051b6b4f40), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1248088, v('(', ')', end_of_file), r)
   Call: (234) [system] ')'==r
   Call: (234) [system] get_char((0x56051b6b4f40), r)
   Exit: (234) [system] get_char((0x56051b6b4f40), r)
   Call: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1252658)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1253592)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_1257384, v('(', ')', end_of_file), 'L')
   Call: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (235) [system] get_char((0x56051b6b4f40), 'L')
   Call: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1261954)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1262888)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1266680, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1271250)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1272184)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1275976, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1280546)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1281480)
   Exit: (238) [system] peek_char((0x56051b6b4f40), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_1285272, v('(', ')', end_of_file), k)
   Call: (238) [system] ')'==k
   Call: (238) [system] get_char((0x56051b6b4f40), k)
   Exit: (238) [system] get_char((0x56051b6b4f40), k)
   Call: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1289842)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1290776)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1289842=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _1280546=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (237) [system] _1271250=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (236) [system] _1261954=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (235) [system] _1252658=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (234) [system] _1243362=[r, 'L', i, n, k]
   Exit: (234) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (233) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1222818)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1314056, _1314058), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1222818), _1314032, fail)), '$restore_trace'(_1314056, _1314058))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1314056, _1314058))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1222818), _1314032, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1222818)
   Call: (234) [system] atom_chars(_1222818, ['O', r, 'L', i, n, k])
   Exit: (234) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1322508)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1324366)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1331176)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1333880)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'=(;)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1343272)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'=')'
   Call: (232) [system] 'C'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1346986)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1348844)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'=(;)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1357312)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'='('
   Call: (233) [system] 'C'='['
   Call: (233) [system] 'C'='{'
   Call: (233) [system] 'C'='"'
   Call: (233) [system] 'C'=!
   Call: (233) [system] 'C'='\''
   Call: (233) [system] 'C'='`'
   Call: (233) [system] 'C'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1346986)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1367530)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1368464)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1367530=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq('C', [], _1346986)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1377774, _1377776), once(user:catch(read_from_chars(['C'], _1346986), _1377750, fail)), '$restore_trace'(_1377774, _1377776))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1377774, _1377776))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1346986), _1377750, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1346986)
   Call: (235) [system] atom_chars(_1346986, ['C'])
   Exit: (235) [system] atom_chars('C', ['C'])
^  Exit: (234) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1386226)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1388084)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1394894)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1397598)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (235) [system] 'D'=(;)
^  Call: (235) [user] is_like_space('D')
   Call: (236) [system] char_type('D', 'white')
   Call: (236) [system] char_type('D', end_of_line)
   Call: (236) [system] char_type('D', space)
   Call: (236) [system] char_type('D', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1406990)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (233) [system] 'D'=')'
   Call: (233) [system] 'D'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1410704)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1412562)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (235) [system] 'D'=(;)
^  Call: (235) [user] is_like_space('D')
   Call: (236) [system] char_type('D', 'white')
   Call: (236) [system] char_type('D', end_of_line)
   Call: (236) [system] char_type('D', space)
   Call: (236) [system] char_type('D', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1421030)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'D')
   Call: (234) [system] 'D'='('
   Call: (234) [system] 'D'='['
   Call: (234) [system] 'D'='{'
   Call: (234) [system] 'D'='"'
   Call: (234) [system] 'D'=!
   Call: (234) [system] 'D'='\''
   Call: (234) [system] 'D'='`'
   Call: (234) [system] 'D'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1410704)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1431248)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1432182)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_1435974, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _1431248=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq('D', [], _1410704)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1442436, _1442438), once(user:catch(read_from_chars(['D'], _1410704), _1442412, fail)), '$restore_trace'(_1442436, _1442438))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1442436, _1442438))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1410704), _1442412, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1410704)
   Call: (236) [system] atom_chars(_1410704, ['D'])
   Exit: (236) [system] atom_chars('D', ['D'])
^  Exit: (235) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1450888)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1452746)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1461214)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _1465004)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _1450888=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1386226=['D']
   Exit: (233) [system] ['D']=['D']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (232) [system] _1322508=['C', 'D']
   Exit: (232) [system] ['C', 'D']=['C', 'D']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (231) [system] _1194740=['OrLink', 'C', 'D']
   Exit: (231) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1478886)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1480744)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1487554)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1490258)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (232) [system] 'E'=(;)
^  Call: (232) [user] is_like_space('E')
   Call: (233) [system] char_type('E', 'white')
   Call: (233) [system] char_type('E', end_of_line)
   Call: (233) [system] char_type('E', space)
   Call: (233) [system] char_type('E', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1499650)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (230) [system] 'E'=')'
   Call: (230) [system] 'E'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1503364)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1505222)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (232) [system] 'E'=(;)
^  Call: (232) [user] is_like_space('E')
   Call: (233) [system] char_type('E', 'white')
   Call: (233) [system] char_type('E', end_of_line)
   Call: (233) [system] char_type('E', space)
   Call: (233) [system] char_type('E', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1513690)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'E')
   Call: (231) [system] 'E'='('
   Call: (231) [system] 'E'='['
   Call: (231) [system] 'E'='{'
   Call: (231) [system] 'E'='"'
   Call: (231) [system] 'E'=!
   Call: (231) [system] 'E'='\''
   Call: (231) [system] 'E'='`'
   Call: (231) [system] 'E'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1503364)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1523908)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1524842)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1528634, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1523908=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('E', [], _1503364)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1535096, _1535098), once(user:catch(read_from_chars(['E'], _1503364), _1535072, fail)), '$restore_trace'(_1535096, _1535098))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1535096, _1535098))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1503364), _1535072, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1503364)
   Call: (233) [system] atom_chars(_1503364, ['E'])
   Exit: (233) [system] atom_chars('E', ['E'])
^  Exit: (232) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1543548)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1545406)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1553874)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _1557664)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _1543548=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1478886=['E']
   Exit: (230) [system] ['E']=['E']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (229) [system] _1170262=[['OrLink', 'C', 'D'], 'E']
   Exit: (229) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (228) [system] _982044=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (228) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1571546)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1573404)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1581872)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _1585662)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _1571546=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _957566=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (226) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (225) [system] _893848=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (225) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (224) [system] _766080=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (224) [system] ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1599544)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1601402)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1609870)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _1613660)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _1599544=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _741602=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (222) [system] [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (221) [system] _205172=[['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (221) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (220) [system] _138806=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (220) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1627542)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1629400)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (220) [system] '\n'=(;)
^  Call: (220) [user] is_like_space('\n')
   Call: (221) [system] char_type('\n', 'white')
   Call: (221) [system] char_type('\n', end_of_line)
   Exit: (221) [system] char_type('\n', end_of_line)
^  Exit: (220) [user] is_like_space('\n')
   Call: (220) [system] get_char((0x56051b6b4f40), _1637016)
   Exit: (220) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1639720)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (221) [system] '\t'=(;)
^  Call: (221) [user] is_like_space('\t')
   Call: (222) [system] char_type('\t', 'white')
   Exit: (222) [system] char_type('\t', 'white')
^  Exit: (221) [user] is_like_space('\t')
   Call: (221) [system] get_char((0x56051b6b4f40), _1646530)
   Exit: (221) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1649234)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (222) [system] '\t'=(;)
^  Call: (222) [user] is_like_space('\t')
   Call: (223) [system] char_type('\t', 'white')
   Exit: (223) [system] char_type('\t', 'white')
^  Exit: (222) [user] is_like_space('\t')
   Call: (222) [system] get_char((0x56051b6b4f40), _1656044)
   Exit: (222) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1658748)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1665558)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1668262)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1680426)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1684140)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1685998)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1694466)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1684140)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1700036)
   Exit: (222) [system] peek_char((0x56051b6b4f40), :)
   Call: (222) [system] (:)=(;)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1708504)
   Exit: (221) [system] peek_char((0x56051b6b4f40), :)
   Call: (221) [system] (:)=')'
   Call: (221) [system] (:)=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1712218)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1714076)
   Exit: (223) [system] peek_char((0x56051b6b4f40), :)
   Call: (223) [system] (:)=(;)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1722544)
   Exit: (222) [system] get_char((0x56051b6b4f40), :)
   Call: (222) [system] (:)='('
   Call: (222) [system] (:)='['
   Call: (222) [system] (:)='{'
   Call: (222) [system] (:)='"'
   Call: (222) [system] (:)=!
   Call: (222) [system] (:)='\''
   Call: (222) [system] (:)='`'
   Call: (222) [system] (:)=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), :, _1712218)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1732762)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1733696)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1732762=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq(:, [], _1712218)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1743006, _1743008), once(user:catch(read_from_chars([:], _1712218), _1742982, fail)), '$restore_trace'(_1743006, _1743008))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1743006, _1743008))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1742982, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(:)
   Exit: (224) [system] atomic(:)
^  Exit: (223) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1750506)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1752364)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1759174)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1761878)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1771270)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1774984)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1776842)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1785310)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1774984)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1790880)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'=(;)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1799348)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1803062)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1804920)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'=(;)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1813388)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1803062)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1823606)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1824540)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1828332, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1832902)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1833836)
   Exit: (228) [system] peek_char((0x56051b6b4f40), s)
^  Call: (228) [user] is_delimiter(s)
   Call: (229) [system] char_type(s, space)
   Call: (229) [system] arg(_1837628, v('(', ')', end_of_file), s)
   Call: (228) [system] ')'==s
   Call: (228) [system] get_char((0x56051b6b4f40), s)
   Exit: (228) [system] get_char((0x56051b6b4f40), s)
   Call: (228) [system] s=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1842198)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1843132)
   Exit: (229) [system] peek_char((0x56051b6b4f40), j)
^  Call: (229) [user] is_delimiter(j)
   Call: (230) [system] char_type(j, space)
   Call: (230) [system] arg(_1846924, v('(', ')', end_of_file), j)
   Call: (229) [system] ')'==j
   Call: (229) [system] get_char((0x56051b6b4f40), j)
   Exit: (229) [system] get_char((0x56051b6b4f40), j)
   Call: (229) [system] j=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1851494)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1852428)
   Exit: (230) [system] peek_char((0x56051b6b4f40), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1856220, v('(', ')', end_of_file), u)
   Call: (230) [system] ')'==u
   Call: (230) [system] get_char((0x56051b6b4f40), u)
   Exit: (230) [system] get_char((0x56051b6b4f40), u)
   Call: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1860790)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1861724)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1865516, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1870086)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1871020)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1874812, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1879382)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1880316)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1884108, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1888678)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1889612)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1893404, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1897974)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1898908)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1902700, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1907270)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1908204)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1911996, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1916566)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1917500)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (237) [user] is_delimiter('I')
   Call: (238) [system] char_type('I', space)
   Call: (238) [system] arg(_1921292, v('(', ')', end_of_file), 'I')
   Call: (237) [system] ')'=='I'
   Call: (237) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (237) [system] get_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1925862)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1926796)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1930588, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1935158)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1936092)
   Exit: (239) [system] peek_char((0x56051b6b4f40), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1939884, v('(', ')', end_of_file), t)
   Call: (239) [system] ')'==t
   Call: (239) [system] get_char((0x56051b6b4f40), t)
   Exit: (239) [system] get_char((0x56051b6b4f40), t)
   Call: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1944454)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1945388)
   Exit: (240) [system] peek_char((0x56051b6b4f40), r)
^  Call: (240) [user] is_delimiter(r)
   Call: (241) [system] char_type(r, space)
   Call: (241) [system] arg(_1949180, v('(', ')', end_of_file), r)
   Call: (240) [system] ')'==r
   Call: (240) [system] get_char((0x56051b6b4f40), r)
   Exit: (240) [system] get_char((0x56051b6b4f40), r)
   Call: (240) [system] r=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1953750)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1954684)
   Exit: (241) [system] peek_char((0x56051b6b4f40), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1958476, v('(', ')', end_of_file), o)
   Call: (241) [system] ')'==o
   Call: (241) [system] get_char((0x56051b6b4f40), o)
   Exit: (241) [system] get_char((0x56051b6b4f40), o)
   Call: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1963046)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1963980)
   Exit: (242) [system] peek_char((0x56051b6b4f40), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_1967772, v('(', ')', end_of_file), d)
   Call: (242) [system] ')'==d
   Call: (242) [system] get_char((0x56051b6b4f40), d)
   Exit: (242) [system] get_char((0x56051b6b4f40), d)
   Call: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1972342)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1973276)
   Exit: (243) [system] peek_char((0x56051b6b4f40), u)
^  Call: (243) [user] is_delimiter(u)
   Call: (244) [system] char_type(u, space)
   Call: (244) [system] arg(_1977068, v('(', ')', end_of_file), u)
   Call: (243) [system] ')'==u
   Call: (243) [system] get_char((0x56051b6b4f40), u)
   Exit: (243) [system] get_char((0x56051b6b4f40), u)
   Call: (243) [system] u=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1981638)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1982572)
   Exit: (244) [system] peek_char((0x56051b6b4f40), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_1986364, v('(', ')', end_of_file), c)
   Call: (244) [system] ')'==c
   Call: (244) [system] get_char((0x56051b6b4f40), c)
   Exit: (244) [system] get_char((0x56051b6b4f40), c)
   Call: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1990934)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1991868)
   Exit: (245) [system] peek_char((0x56051b6b4f40), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_1995660, v('(', ')', end_of_file), t)
   Call: (245) [system] ')'==t
   Call: (245) [system] get_char((0x56051b6b4f40), t)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2000230)
   Call: (246) [system] peek_char((0x56051b6b4f40), _2001164)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_2004956, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2009526)
   Call: (247) [system] peek_char((0x56051b6b4f40), _2010460)
   Exit: (247) [system] peek_char((0x56051b6b4f40), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_2014252, v('(', ')', end_of_file), o)
   Call: (247) [system] ')'==o
   Call: (247) [system] get_char((0x56051b6b4f40), o)
   Exit: (247) [system] get_char((0x56051b6b4f40), o)
   Call: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2018822)
   Call: (248) [system] peek_char((0x56051b6b4f40), _2019756)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_2023548, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2028118)
   Call: (249) [system] peek_char((0x56051b6b4f40), _2029052)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _2028118=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (248) [system] _2018822=[n]
   Exit: (248) [system] [n]=[n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (247) [system] _2009526=[o, n]
   Exit: (247) [system] [o, n]=[o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (246) [system] _2000230=[i, o, n]
   Exit: (246) [system] [i, o, n]=[i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (245) [system] _1990934=[t, i, o, n]
   Exit: (245) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (244) [system] _1981638=[c, t, i, o, n]
   Exit: (244) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (243) [system] _1972342=[u, c, t, i, o, n]
   Exit: (243) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (242) [system] _1963046=[d, u, c, t, i, o, n]
   Exit: (242) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (241) [system] _1953750=[o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (240) [system] _1944454=[r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1935158=[t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1925862=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1916566=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1907270=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1897974=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1888678=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1879382=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1870086=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1860790=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1851494=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1842198=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1832902=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1823606=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6278)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_9214, _9216), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6278), _9190, fail)), '$restore_trace'(_9214, _9216))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_9214, _9216))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6278), _9190, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_6278)
   Call: (227) [system] atom_chars(_6278, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (227) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _17666)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _19524)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _26334)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _29038)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(;)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _38430)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _42144)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _44002)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(;)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _52470)
   Exit: (226) [system] get_char((0x56051b6b4f40), a)
   Call: (226) [system] a='('
   Call: (226) [system] a='['
   Call: (226) [system] a='{'
   Call: (226) [system] a='"'
   Call: (226) [system] a=!
   Call: (226) [system] a='\''
   Call: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), a, _42144)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _62688)
   Call: (228) [system] peek_char((0x56051b6b4f40), _63622)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _62688=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq(a, [], _42144)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_72932, _72934), once(user:catch(read_from_chars([a], _42144), _72908, fail)), '$restore_trace'(_72932, _72934))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_72932, _72934))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _72908, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(a)
   Exit: (228) [system] atomic(a)
^  Exit: (227) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _80432)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _82290)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _89100)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _91804)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _101196)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _104910)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _106768)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _115236)
   Exit: (227) [system] get_char((0x56051b6b4f40), a)
   Call: (227) [system] a='('
   Call: (227) [system] a='['
   Call: (227) [system] a='{'
   Call: (227) [system] a='"'
   Call: (227) [system] a=!
   Call: (227) [system] a='\''
   Call: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), a, _104910)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _125454)
   Call: (229) [system] peek_char((0x56051b6b4f40), _126388)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_130180, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _125454=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq(a, [], _104910)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_136642, _136644), once(user:catch(read_from_chars([a], _104910), _136618, fail)), '$restore_trace'(_136642, _136644))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_136642, _136644))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _136618, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(a)
   Exit: (229) [system] atomic(a)
^  Exit: (228) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _144142)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _146000)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _154468)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _158258)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _144142=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _80432=[a]
   Exit: (226) [system] [a]=[a]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (225) [system] _17666=[a, a]
   Exit: (225) [system] [a, a]=[a, a]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (224) [system] _6272=['DisjunctionIntroduction', a, a]
   Exit: (224) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _172140)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _173998)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _180808)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _183512)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _192904)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _196618)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _198476)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _206944)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _196618)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _212514)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _220982)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _224696)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _226554)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'=(;)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _235022)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _224696)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _245240)
   Call: (228) [system] peek_char((0x56051b6b4f40), _246174)
   Exit: (228) [system] peek_char((0x56051b6b4f40), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_249966, v('(', ')', end_of_file), r)
   Call: (228) [system] ')'==r
   Call: (228) [system] get_char((0x56051b6b4f40), r)
   Exit: (228) [system] get_char((0x56051b6b4f40), r)
   Call: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _254536)
   Call: (229) [system] peek_char((0x56051b6b4f40), _255470)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_259262, v('(', ')', end_of_file), 'L')
   Call: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (229) [system] get_char((0x56051b6b4f40), 'L')
   Call: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _263832)
   Call: (230) [system] peek_char((0x56051b6b4f40), _264766)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_268558, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _273128)
   Call: (231) [system] peek_char((0x56051b6b4f40), _274062)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_277854, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _282424)
   Call: (232) [system] peek_char((0x56051b6b4f40), _283358)
   Exit: (232) [system] peek_char((0x56051b6b4f40), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_287150, v('(', ')', end_of_file), k)
   Call: (232) [system] ')'==k
   Call: (232) [system] get_char((0x56051b6b4f40), k)
   Exit: (232) [system] get_char((0x56051b6b4f40), k)
   Call: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _291720)
   Call: (233) [system] peek_char((0x56051b6b4f40), _292654)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _291720=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _282424=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (231) [system] _273128=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (230) [system] _263832=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (229) [system] _254536=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (228) [system] _245240=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _224696)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_315934, _315936), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _224696), _315910, fail)), '$restore_trace'(_315934, _315936))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_315934, _315936))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _224696), _315910, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_224696)
   Call: (228) [system] atom_chars(_224696, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _324386)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _326244)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _333054)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _335758)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _345150)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _348864)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _350722)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _359190)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _348864)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _369408)
   Call: (229) [system] peek_char((0x56051b6b4f40), _370342)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _369408=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('A', [], _348864)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_379652, _379654), once(user:catch(read_from_chars(['A'], _348864), _379628, fail)), '$restore_trace'(_379652, _379654))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_379652, _379654))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _348864), _379628, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_348864)
   Call: (229) [system] atom_chars(_348864, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _388104)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _389962)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _396772)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _399476)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _408868)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _412582)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _414440)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _422908)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _412582)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _433126)
   Call: (230) [system] peek_char((0x56051b6b4f40), _434060)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_437852, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _433126=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('A', [], _412582)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_444314, _444316), once(user:catch(read_from_chars(['A'], _412582), _444290, fail)), '$restore_trace'(_444314, _444316))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_444314, _444316))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _412582), _444290, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_412582)
   Call: (230) [system] atom_chars(_412582, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _452766)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _454624)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _463092)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _466882)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _452766=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _388104=['A']
   Exit: (227) [system] ['A']=['A']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (226) [system] _324386=['A', 'A']
   Exit: (226) [system] ['A', 'A']=['A', 'A']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['A', 'A'])
   Call: (225) [system] _196618=['OrLink', 'A', 'A']
   Exit: (225) [system] ['OrLink', 'A', 'A']=['OrLink', 'A', 'A']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'A', 'A'])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'A', 'A'])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _480764)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _482622)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _491090)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _494880)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _480764=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _172140=[['OrLink', 'A', 'A']]
   Exit: (223) [system] [['OrLink', 'A', 'A']]=[['OrLink', 'A', 'A']]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'A', 'A']])
   Call: (222) [system] _6268=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
   Exit: (222) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
   Call: (221) [system] _6260=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
   Exit: (221) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _508762)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _510620)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (221) [system] '\n'=(;)
^  Call: (221) [user] is_like_space('\n')
   Call: (222) [system] char_type('\n', 'white')
   Call: (222) [system] char_type('\n', end_of_line)
   Exit: (222) [system] char_type('\n', end_of_line)
^  Exit: (221) [user] is_like_space('\n')
   Call: (221) [system] get_char((0x56051b6b4f40), _518236)
   Exit: (221) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _520940)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (222) [system] '\t'=(;)
^  Call: (222) [user] is_like_space('\t')
   Call: (223) [system] char_type('\t', 'white')
   Exit: (223) [system] char_type('\t', 'white')
^  Exit: (222) [user] is_like_space('\t')
   Call: (222) [system] get_char((0x56051b6b4f40), _527750)
   Exit: (222) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _530454)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (223) [system] '\t'=(;)
^  Call: (223) [user] is_like_space('\t')
   Call: (224) [system] char_type('\t', 'white')
   Exit: (224) [system] char_type('\t', 'white')
^  Exit: (223) [user] is_like_space('\t')
   Call: (223) [system] get_char((0x56051b6b4f40), _537264)
   Exit: (223) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _539968)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _546778)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _549482)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _561646)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _565360)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _567218)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _575686)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _565360)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _581256)
   Exit: (223) [system] peek_char((0x56051b6b4f40), :)
   Call: (223) [system] (:)=(;)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _589724)
   Exit: (222) [system] peek_char((0x56051b6b4f40), :)
   Call: (222) [system] (:)=')'
   Call: (222) [system] (:)=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _593438)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _595296)
   Exit: (224) [system] peek_char((0x56051b6b4f40), :)
   Call: (224) [system] (:)=(;)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _603764)
   Exit: (223) [system] get_char((0x56051b6b4f40), :)
   Call: (223) [system] (:)='('
   Call: (223) [system] (:)='['
   Call: (223) [system] (:)='{'
   Call: (223) [system] (:)='"'
   Call: (223) [system] (:)=!
   Call: (223) [system] (:)='\''
   Call: (223) [system] (:)='`'
   Call: (223) [system] (:)=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), :, _593438)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _613982)
   Call: (225) [system] peek_char((0x56051b6b4f40), _614916)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _613982=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq(:, [], _593438)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_624226, _624228), once(user:catch(read_from_chars([:], _593438), _624202, fail)), '$restore_trace'(_624226, _624228))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_624226, _624228))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _624202, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(:)
   Exit: (225) [system] atomic(:)
^  Exit: (224) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _631726)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _633584)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _640394)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _643098)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _652490)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _656204)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _658062)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _666530)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _656204)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _672100)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'=(;)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _680568)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _684282)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _686140)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _694608)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _684282)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _704826)
   Call: (228) [system] peek_char((0x56051b6b4f40), _705760)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_709552, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _714122)
   Call: (229) [system] peek_char((0x56051b6b4f40), _715056)
   Exit: (229) [system] peek_char((0x56051b6b4f40), s)
^  Call: (229) [user] is_delimiter(s)
   Call: (230) [system] char_type(s, space)
   Call: (230) [system] arg(_718848, v('(', ')', end_of_file), s)
   Call: (229) [system] ')'==s
   Call: (229) [system] get_char((0x56051b6b4f40), s)
   Exit: (229) [system] get_char((0x56051b6b4f40), s)
   Call: (229) [system] s=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _723418)
   Call: (230) [system] peek_char((0x56051b6b4f40), _724352)
   Exit: (230) [system] peek_char((0x56051b6b4f40), j)
^  Call: (230) [user] is_delimiter(j)
   Call: (231) [system] char_type(j, space)
   Call: (231) [system] arg(_728144, v('(', ')', end_of_file), j)
   Call: (230) [system] ')'==j
   Call: (230) [system] get_char((0x56051b6b4f40), j)
   Exit: (230) [system] get_char((0x56051b6b4f40), j)
   Call: (230) [system] j=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _732714)
   Call: (231) [system] peek_char((0x56051b6b4f40), _733648)
   Exit: (231) [system] peek_char((0x56051b6b4f40), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_737440, v('(', ')', end_of_file), u)
   Call: (231) [system] ')'==u
   Call: (231) [system] get_char((0x56051b6b4f40), u)
   Exit: (231) [system] get_char((0x56051b6b4f40), u)
   Call: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _742010)
   Call: (232) [system] peek_char((0x56051b6b4f40), _742944)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_746736, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _751306)
   Call: (233) [system] peek_char((0x56051b6b4f40), _752240)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_756032, v('(', ')', end_of_file), c)
   Call: (233) [system] ')'==c
   Call: (233) [system] get_char((0x56051b6b4f40), c)
   Exit: (233) [system] get_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _760602)
   Call: (234) [system] peek_char((0x56051b6b4f40), _761536)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_765328, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _769898)
   Call: (235) [system] peek_char((0x56051b6b4f40), _770832)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_774624, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _779194)
   Call: (236) [system] peek_char((0x56051b6b4f40), _780128)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_783920, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _788490)
   Call: (237) [system] peek_char((0x56051b6b4f40), _789424)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_793216, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _797786)
   Call: (238) [system] peek_char((0x56051b6b4f40), _798720)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (238) [user] is_delimiter('I')
   Call: (239) [system] char_type('I', space)
   Call: (239) [system] arg(_802512, v('(', ')', end_of_file), 'I')
   Call: (238) [system] ')'=='I'
   Call: (238) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (238) [system] get_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _807082)
   Call: (239) [system] peek_char((0x56051b6b4f40), _808016)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_811808, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _816378)
   Call: (240) [system] peek_char((0x56051b6b4f40), _817312)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_821104, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _825674)
   Call: (241) [system] peek_char((0x56051b6b4f40), _826608)
   Exit: (241) [system] peek_char((0x56051b6b4f40), r)
^  Call: (241) [user] is_delimiter(r)
   Call: (242) [system] char_type(r, space)
   Call: (242) [system] arg(_830400, v('(', ')', end_of_file), r)
   Call: (241) [system] ')'==r
   Call: (241) [system] get_char((0x56051b6b4f40), r)
   Exit: (241) [system] get_char((0x56051b6b4f40), r)
   Call: (241) [system] r=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _834970)
   Call: (242) [system] peek_char((0x56051b6b4f40), _835904)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_839696, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _844266)
   Call: (243) [system] peek_char((0x56051b6b4f40), _845200)
   Exit: (243) [system] peek_char((0x56051b6b4f40), d)
^  Call: (243) [user] is_delimiter(d)
   Call: (244) [system] char_type(d, space)
   Call: (244) [system] arg(_848992, v('(', ')', end_of_file), d)
   Call: (243) [system] ')'==d
   Call: (243) [system] get_char((0x56051b6b4f40), d)
   Exit: (243) [system] get_char((0x56051b6b4f40), d)
   Call: (243) [system] d=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _853562)
   Call: (244) [system] peek_char((0x56051b6b4f40), _854496)
   Exit: (244) [system] peek_char((0x56051b6b4f40), u)
^  Call: (244) [user] is_delimiter(u)
   Call: (245) [system] char_type(u, space)
   Call: (245) [system] arg(_858288, v('(', ')', end_of_file), u)
   Call: (244) [system] ')'==u
   Call: (244) [system] get_char((0x56051b6b4f40), u)
   Exit: (244) [system] get_char((0x56051b6b4f40), u)
   Call: (244) [system] u=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _862858)
   Call: (245) [system] peek_char((0x56051b6b4f40), _863792)
   Exit: (245) [system] peek_char((0x56051b6b4f40), c)
^  Call: (245) [user] is_delimiter(c)
   Call: (246) [system] char_type(c, space)
   Call: (246) [system] arg(_867584, v('(', ')', end_of_file), c)
   Call: (245) [system] ')'==c
   Call: (245) [system] get_char((0x56051b6b4f40), c)
   Exit: (245) [system] get_char((0x56051b6b4f40), c)
   Call: (245) [system] c=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _872154)
   Call: (246) [system] peek_char((0x56051b6b4f40), _873088)
   Exit: (246) [system] peek_char((0x56051b6b4f40), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_876880, v('(', ')', end_of_file), t)
   Call: (246) [system] ')'==t
   Call: (246) [system] get_char((0x56051b6b4f40), t)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _881450)
   Call: (247) [system] peek_char((0x56051b6b4f40), _882384)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_886176, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _890746)
   Call: (248) [system] peek_char((0x56051b6b4f40), _891680)
   Exit: (248) [system] peek_char((0x56051b6b4f40), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_895472, v('(', ')', end_of_file), o)
   Call: (248) [system] ')'==o
   Call: (248) [system] get_char((0x56051b6b4f40), o)
   Exit: (248) [system] get_char((0x56051b6b4f40), o)
   Call: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _900042)
   Call: (249) [system] peek_char((0x56051b6b4f40), _900976)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_904768, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _909338)
   Call: (250) [system] peek_char((0x56051b6b4f40), _910272)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _909338=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (249) [system] _900042=[n]
   Exit: (249) [system] [n]=[n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (248) [system] _890746=[o, n]
   Exit: (248) [system] [o, n]=[o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (247) [system] _881450=[i, o, n]
   Exit: (247) [system] [i, o, n]=[i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (246) [system] _872154=[t, i, o, n]
   Exit: (246) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (245) [system] _862858=[c, t, i, o, n]
   Exit: (245) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (244) [system] _853562=[u, c, t, i, o, n]
   Exit: (244) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (243) [system] _844266=[d, u, c, t, i, o, n]
   Exit: (243) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (242) [system] _834970=[o, d, u, c, t, i, o, n]
   Exit: (242) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (241) [system] _825674=[r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _816378=[t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _807082=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _797786=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _788490=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _779194=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _769898=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _760602=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _751306=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _742010=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _732714=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _723418=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _714122=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _704826=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _684282)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_981050, _981052), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _684282), _981026, fail)), '$restore_trace'(_981050, _981052))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_981050, _981052))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _684282), _981026, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_684282)
   Call: (228) [system] atom_chars(_684282, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (228) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _989502)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _991360)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _998170)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1000874)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1010266)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1013980)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1015838)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1024306)
   Exit: (227) [system] get_char((0x56051b6b4f40), a)
   Call: (227) [system] a='('
   Call: (227) [system] a='['
   Call: (227) [system] a='{'
   Call: (227) [system] a='"'
   Call: (227) [system] a=!
   Call: (227) [system] a='\''
   Call: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), a, _1013980)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1034524)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1035458)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1034524=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq(a, [], _1013980)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1044768, _1044770), once(user:catch(read_from_chars([a], _1013980), _1044744, fail)), '$restore_trace'(_1044768, _1044770))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1044768, _1044770))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1044744, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(a)
   Exit: (229) [system] atomic(a)
^  Exit: (228) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1052268)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1054126)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1060936)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1063640)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1073032)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1076746)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1078604)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1087072)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] a='('
   Call: (228) [system] a='['
   Call: (228) [system] a='{'
   Call: (228) [system] a='"'
   Call: (228) [system] a=!
   Call: (228) [system] a='\''
   Call: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), a, _1076746)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1097290)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1098224)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1102016, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1097290=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq(a, [], _1076746)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1108478, _1108480), once(user:catch(read_from_chars([a], _1076746), _1108454, fail)), '$restore_trace'(_1108478, _1108480))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1108478, _1108480))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1108454, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1115978)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1117836)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1126304)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _1130094)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _1115978=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1052268=[a]
   Exit: (227) [system] [a]=[a]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (226) [system] _989502=[a, a]
   Exit: (226) [system] [a, a]=[a, a]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (225) [system] _656204=['DisjunctionIntroduction', a, a]
   Exit: (225) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1143976)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1145834)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1152644)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1155348)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1164740)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1168454)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1170312)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1178780)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1168454)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1184350)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'=(;)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1192818)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1196532)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1198390)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1206858)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1196532)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1217076)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1218010)
   Exit: (229) [system] peek_char((0x56051b6b4f40), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1221802, v('(', ')', end_of_file), r)
   Call: (229) [system] ')'==r
   Call: (229) [system] get_char((0x56051b6b4f40), r)
   Exit: (229) [system] get_char((0x56051b6b4f40), r)
   Call: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1226372)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1227306)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_1231098, v('(', ')', end_of_file), 'L')
   Call: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (230) [system] get_char((0x56051b6b4f40), 'L')
   Call: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1235668)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1236602)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1240394, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1244964)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1245898)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1249690, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1254260)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1255194)
   Exit: (233) [system] peek_char((0x56051b6b4f40), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_1258986, v('(', ')', end_of_file), k)
   Call: (233) [system] ')'==k
   Call: (233) [system] get_char((0x56051b6b4f40), k)
   Exit: (233) [system] get_char((0x56051b6b4f40), k)
   Call: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1263556)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1264490)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1263556=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1254260=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (232) [system] _1244964=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (231) [system] _1235668=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (230) [system] _1226372=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (229) [system] _1217076=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1196532)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1287770, _1287772), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1196532), _1287746, fail)), '$restore_trace'(_1287770, _1287772))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1287770, _1287772))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1196532), _1287746, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1196532)
   Call: (229) [system] atom_chars(_1196532, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1296222)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1298080)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1304890)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1307594)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1316986)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1320700)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1322558)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1331026)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1320700)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1341244)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1342178)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1341244=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('A', [], _1320700)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1351488, _1351490), once(user:catch(read_from_chars(['A'], _1320700), _1351464, fail)), '$restore_trace'(_1351488, _1351490))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1351488, _1351490))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1320700), _1351464, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1320700)
   Call: (230) [system] atom_chars(_1320700, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1359940)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1361798)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1368608)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1371312)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1380704)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1384418)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1386276)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1394744)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1384418)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1404962)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1405896)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1409688, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1404962=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('B', [], _1384418)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1416150, _1416152), once(user:catch(read_from_chars(['B'], _1384418), _1416126, fail)), '$restore_trace'(_1416150, _1416152))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1416150, _1416152))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1384418), _1416126, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1384418)
   Call: (231) [system] atom_chars(_1384418, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1424602)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1426460)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1434928)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _1438718)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _1424602=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1359940=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (227) [system] _1296222=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (226) [system] _1168454=['OrLink', 'A', 'B']
   Exit: (226) [system] ['OrLink', 'A', 'B']=['OrLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1452600)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1454458)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1462926)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _1466716)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _1452600=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1143976=[['OrLink', 'A', 'B']]
   Exit: (224) [system] [['OrLink', 'A', 'B']]=[['OrLink', 'A', 'B']]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'A', 'B']])
   Call: (223) [system] _631726=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
   Exit: (223) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
   Call: (222) [system] _565360=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
   Exit: (222) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1480598)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1482456)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (222) [system] '\n'=(;)
^  Call: (222) [user] is_like_space('\n')
   Call: (223) [system] char_type('\n', 'white')
   Call: (223) [system] char_type('\n', end_of_line)
   Exit: (223) [system] char_type('\n', end_of_line)
^  Exit: (222) [user] is_like_space('\n')
   Call: (222) [system] get_char((0x56051b6b4f40), _1490072)
   Exit: (222) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1492776)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (223) [system] '\t'=(;)
^  Call: (223) [user] is_like_space('\t')
   Call: (224) [system] char_type('\t', 'white')
   Exit: (224) [system] char_type('\t', 'white')
^  Exit: (223) [user] is_like_space('\t')
   Call: (223) [system] get_char((0x56051b6b4f40), _1499586)
   Exit: (223) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1502290)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (224) [system] '\t'=(;)
^  Call: (224) [user] is_like_space('\t')
   Call: (225) [system] char_type('\t', 'white')
   Exit: (225) [system] char_type('\t', 'white')
^  Exit: (224) [user] is_like_space('\t')
   Call: (224) [system] get_char((0x56051b6b4f40), _1509100)
   Exit: (224) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1511804)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1518614)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1521318)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1533482)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1537196)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1539054)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1547522)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1537196)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1553092)
   Exit: (224) [system] peek_char((0x56051b6b4f40), :)
   Call: (224) [system] (:)=(;)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1561560)
   Exit: (223) [system] peek_char((0x56051b6b4f40), :)
   Call: (223) [system] (:)=')'
   Call: (223) [system] (:)=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1565274)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1567132)
   Exit: (225) [system] peek_char((0x56051b6b4f40), :)
   Call: (225) [system] (:)=(;)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1575600)
   Exit: (224) [system] get_char((0x56051b6b4f40), :)
   Call: (224) [system] (:)='('
   Call: (224) [system] (:)='['
   Call: (224) [system] (:)='{'
   Call: (224) [system] (:)='"'
   Call: (224) [system] (:)=!
   Call: (224) [system] (:)='\''
   Call: (224) [system] (:)='`'
   Call: (224) [system] (:)=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), :, _1565274)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1585818)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1586752)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1585818=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq(:, [], _1565274)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1596062, _1596064), once(user:catch(read_from_chars([:], _1565274), _1596038, fail)), '$restore_trace'(_1596062, _1596064))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1596062, _1596064))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1596038, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(:)
   Exit: (226) [system] atomic(:)
^  Exit: (225) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1603562)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1605420)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1612230)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1614934)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1624326)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1628040)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1629898)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1638366)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1628040)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1643936)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1652404)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1656118)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1657976)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1666444)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1656118)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1676662)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1677596)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1681388, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1685958)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1686892)
   Exit: (230) [system] peek_char((0x56051b6b4f40), s)
^  Call: (230) [user] is_delimiter(s)
   Call: (231) [system] char_type(s, space)
   Call: (231) [system] arg(_1690684, v('(', ')', end_of_file), s)
   Call: (230) [system] ')'==s
   Call: (230) [system] get_char((0x56051b6b4f40), s)
   Exit: (230) [system] get_char((0x56051b6b4f40), s)
   Call: (230) [system] s=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1695254)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1696188)
   Exit: (231) [system] peek_char((0x56051b6b4f40), j)
^  Call: (231) [user] is_delimiter(j)
   Call: (232) [system] char_type(j, space)
   Call: (232) [system] arg(_1699980, v('(', ')', end_of_file), j)
   Call: (231) [system] ')'==j
   Call: (231) [system] get_char((0x56051b6b4f40), j)
   Exit: (231) [system] get_char((0x56051b6b4f40), j)
   Call: (231) [system] j=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1704550)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1705484)
   Exit: (232) [system] peek_char((0x56051b6b4f40), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1709276, v('(', ')', end_of_file), u)
   Call: (232) [system] ')'==u
   Call: (232) [system] get_char((0x56051b6b4f40), u)
   Exit: (232) [system] get_char((0x56051b6b4f40), u)
   Call: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1713846)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1714780)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1718572, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1723142)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1724076)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1727868, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1732438)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1733372)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1737164, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1741734)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1742668)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1746460, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1751030)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1751964)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1755756, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1760326)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1761260)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1765052, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1769622)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1770556)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (239) [user] is_delimiter('I')
   Call: (240) [system] char_type('I', space)
   Call: (240) [system] arg(_1774348, v('(', ')', end_of_file), 'I')
   Call: (239) [system] ')'=='I'
   Call: (239) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (239) [system] get_char((0x56051b6b4f40), 'I')
   Call: (239) [system] 'I'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1778918)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1779852)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1783644, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1788214)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1789148)
   Exit: (241) [system] peek_char((0x56051b6b4f40), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1792940, v('(', ')', end_of_file), t)
   Call: (241) [system] ')'==t
   Call: (241) [system] get_char((0x56051b6b4f40), t)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1797510)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1798444)
   Exit: (242) [system] peek_char((0x56051b6b4f40), r)
^  Call: (242) [user] is_delimiter(r)
   Call: (243) [system] char_type(r, space)
   Call: (243) [system] arg(_1802236, v('(', ')', end_of_file), r)
   Call: (242) [system] ')'==r
   Call: (242) [system] get_char((0x56051b6b4f40), r)
   Exit: (242) [system] get_char((0x56051b6b4f40), r)
   Call: (242) [system] r=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1806806)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1807740)
   Exit: (243) [system] peek_char((0x56051b6b4f40), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1811532, v('(', ')', end_of_file), o)
   Call: (243) [system] ')'==o
   Call: (243) [system] get_char((0x56051b6b4f40), o)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1816102)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1817036)
   Exit: (244) [system] peek_char((0x56051b6b4f40), d)
^  Call: (244) [user] is_delimiter(d)
   Call: (245) [system] char_type(d, space)
   Call: (245) [system] arg(_1820828, v('(', ')', end_of_file), d)
   Call: (244) [system] ')'==d
   Call: (244) [system] get_char((0x56051b6b4f40), d)
   Exit: (244) [system] get_char((0x56051b6b4f40), d)
   Call: (244) [system] d=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1825398)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1826332)
   Exit: (245) [system] peek_char((0x56051b6b4f40), u)
^  Call: (245) [user] is_delimiter(u)
   Call: (246) [system] char_type(u, space)
   Call: (246) [system] arg(_1830124, v('(', ')', end_of_file), u)
   Call: (245) [system] ')'==u
   Call: (245) [system] get_char((0x56051b6b4f40), u)
   Exit: (245) [system] get_char((0x56051b6b4f40), u)
   Call: (245) [system] u=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1834694)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1835628)
   Exit: (246) [system] peek_char((0x56051b6b4f40), c)
^  Call: (246) [user] is_delimiter(c)
   Call: (247) [system] char_type(c, space)
   Call: (247) [system] arg(_1839420, v('(', ')', end_of_file), c)
   Call: (246) [system] ')'==c
   Call: (246) [system] get_char((0x56051b6b4f40), c)
   Exit: (246) [system] get_char((0x56051b6b4f40), c)
   Call: (246) [system] c=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1843990)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1844924)
   Exit: (247) [system] peek_char((0x56051b6b4f40), t)
^  Call: (247) [user] is_delimiter(t)
   Call: (248) [system] char_type(t, space)
   Call: (248) [system] arg(_1848716, v('(', ')', end_of_file), t)
   Call: (247) [system] ')'==t
   Call: (247) [system] get_char((0x56051b6b4f40), t)
   Exit: (247) [system] get_char((0x56051b6b4f40), t)
   Call: (247) [system] t=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1853286)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1854220)
   Exit: (248) [system] peek_char((0x56051b6b4f40), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_1858012, v('(', ')', end_of_file), i)
   Call: (248) [system] ')'==i
   Call: (248) [system] get_char((0x56051b6b4f40), i)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1862582)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1863516)
   Exit: (249) [system] peek_char((0x56051b6b4f40), o)
^  Call: (249) [user] is_delimiter(o)
   Call: (250) [system] char_type(o, space)
   Call: (250) [system] arg(_1867308, v('(', ')', end_of_file), o)
   Call: (249) [system] ')'==o
   Call: (249) [system] get_char((0x56051b6b4f40), o)
   Exit: (249) [system] get_char((0x56051b6b4f40), o)
   Call: (249) [system] o=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1871878)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1872812)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_1876604, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1881174)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1882108)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _1881174=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (250) [system] _1871878=[n]
   Exit: (250) [system] [n]=[n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (249) [system] _1862582=[o, n]
   Exit: (249) [system] [o, n]=[o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (248) [system] _1853286=[i, o, n]
   Exit: (248) [system] [i, o, n]=[i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (247) [system] _1843990=[t, i, o, n]
   Exit: (247) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (246) [system] _1834694=[c, t, i, o, n]
   Exit: (246) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (245) [system] _1825398=[u, c, t, i, o, n]
   Exit: (245) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (244) [system] _1816102=[d, u, c, t, i, o, n]
   Exit: (244) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (243) [system] _1806806=[o, d, u, c, t, i, o, n]
   Exit: (243) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (242) [system] _1797510=[r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1788214=[t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1778918=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1769622=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1760326=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1751030=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1741734=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1732438=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1723142=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1713846=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1704550=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1695254=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1685958=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1676662=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1656118)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1952886, _1952888), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1656118), _1952862, fail)), '$restore_trace'(_1952886, _1952888))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1952886, _1952888))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1656118), _1952862, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1656118)
   Call: (229) [system] atom_chars(_1656118, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (229) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1961338)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1963196)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1970006)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1972710)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1982102)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1985816)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1987674)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1996142)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] a='('
   Call: (228) [system] a='['
   Call: (228) [system] a='{'
   Call: (228) [system] a='"'
   Call: (228) [system] a=!
   Call: (228) [system] a='\''
   Call: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), a, _1985816)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2006360)
   Call: (230) [system] peek_char((0x56051b6b4f40), _2007294)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _2006360=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq(a, [], _1985816)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_2016604, _2016606), once(user:catch(read_from_chars([a], _1985816), _2016580, fail)), '$restore_trace'(_2016604, _2016606))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_2016604, _2016606))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2016580, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _2024104)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _2025962)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _2032772)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _2035476)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _2044868)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _2048582)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _2050440)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _2058908)
   Exit: (229) [system] get_char((0x56051b6b4f40), a)
   Call: (229) [system] a='('
   Call: (229) [system] a='['
   Call: (229) [system] a='{'
   Call: (229) [system] a='"'
   Call: (229) [system] a=!
   Call: (229) [system] a='\''
   Call: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), a, _2048582)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2069126)
   Call: (231) [system] peek_char((0x56051b6b4f40), _2070060)
   Exit: (231) [system] peek_char((0x56051b6b4f40), b)
^  Call: (231) [user] is_delimiter(b)
   Call: (232) [system] char_type(b, space)
   Call: (232) [system] arg(_2073852, v('(', ')', end_of_file), b)
   Call: (231) [system] ')'==b
   Call: (231) [system] get_char((0x56051b6b4f40), b)
   Exit: (231) [system] get_char((0x56051b6b4f40), b)
   Call: (231) [system] b=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2078422)
   Call: (232) [system] peek_char((0x56051b6b4f40), _2079356)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_2083148, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2087718)
   Call: (233) [system] peek_char((0x56051b6b4f40), _2088652)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_2092444, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _2087718=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _6418=[c]
   Exit: (232) [system] [c]=[c]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (231) [system] _6414=[b, c]
   Exit: (231) [system] [b, c]=[b, c]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (230) [user] classify_and_convert_charseq(a, [b, c], _6410)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_13876, _13878), once(user:catch(read_from_chars([a, b, c], _6410), _13852, fail)), '$restore_trace'(_13876, _13878))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_13876, _13878))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _13852, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(abc)
   Exit: (231) [system] atomic(abc)
^  Exit: (230) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _21376)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _23234)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _31702)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _35492)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _21376=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _6406=[abc]
   Exit: (228) [system] [abc]=[abc]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (227) [system] _6400=[a, abc]
   Exit: (227) [system] [a, abc]=[a, abc]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [a, abc])
   Call: (226) [system] _6392=['DisjunctionIntroduction', a, abc]
   Exit: (226) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _49374)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _51232)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _58042)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _60746)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _70138)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _73852)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _75710)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _84178)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _73852)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _89748)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _98216)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _101930)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _103788)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _112256)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _101930)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _122474)
   Call: (230) [system] peek_char((0x56051b6b4f40), _123408)
   Exit: (230) [system] peek_char((0x56051b6b4f40), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_127200, v('(', ')', end_of_file), r)
   Call: (230) [system] ')'==r
   Call: (230) [system] get_char((0x56051b6b4f40), r)
   Exit: (230) [system] get_char((0x56051b6b4f40), r)
   Call: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _131770)
   Call: (231) [system] peek_char((0x56051b6b4f40), _132704)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_136496, v('(', ')', end_of_file), 'L')
   Call: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'L')
   Call: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _141066)
   Call: (232) [system] peek_char((0x56051b6b4f40), _142000)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_145792, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _150362)
   Call: (233) [system] peek_char((0x56051b6b4f40), _151296)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_155088, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _159658)
   Call: (234) [system] peek_char((0x56051b6b4f40), _160592)
   Exit: (234) [system] peek_char((0x56051b6b4f40), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_164384, v('(', ')', end_of_file), k)
   Call: (234) [system] ')'==k
   Call: (234) [system] get_char((0x56051b6b4f40), k)
   Exit: (234) [system] get_char((0x56051b6b4f40), k)
   Call: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _168954)
   Call: (235) [system] peek_char((0x56051b6b4f40), _169888)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _168954=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _159658=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (233) [system] _150362=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (232) [system] _141066=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (231) [system] _131770=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (230) [system] _122474=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _101930)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_193168, _193170), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _101930), _193144, fail)), '$restore_trace'(_193168, _193170))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_193168, _193170))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _101930), _193144, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_101930)
   Call: (230) [system] atom_chars(_101930, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _201620)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _203478)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _210288)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _212992)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _222384)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _226098)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _227956)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _236424)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _226098)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _246642)
   Call: (231) [system] peek_char((0x56051b6b4f40), _247576)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _246642=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('B', [], _226098)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_256886, _256888), once(user:catch(read_from_chars(['B'], _226098), _256862, fail)), '$restore_trace'(_256886, _256888))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_256886, _256888))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _226098), _256862, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_226098)
   Call: (231) [system] atom_chars(_226098, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _265338)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _267196)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _274006)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _276710)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _286102)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _289816)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _291674)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _300142)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _289816)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _305712)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'=(;)
^  Call: (232) [user] is_like_space('I')
   Call: (233) [system] char_type('I', 'white')
   Call: (233) [system] char_type('I', end_of_line)
   Call: (233) [system] char_type('I', space)
   Call: (233) [system] char_type('I', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _314180)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'=')'
   Call: (231) [system] 'I'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _317894)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _319752)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'=(;)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _328220)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'='('
   Call: (232) [system] 'I'='['
   Call: (232) [system] 'I'='{'
   Call: (232) [system] 'I'='"'
   Call: (232) [system] 'I'=!
   Call: (232) [system] 'I'='\''
   Call: (232) [system] 'I'='`'
   Call: (232) [system] 'I'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _317894)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _338438)
   Call: (234) [system] peek_char((0x56051b6b4f40), _339372)
   Exit: (234) [system] peek_char((0x56051b6b4f40), m)
^  Call: (234) [user] is_delimiter(m)
   Call: (235) [system] char_type(m, space)
   Call: (235) [system] arg(_343164, v('(', ')', end_of_file), m)
   Call: (234) [system] ')'==m
   Call: (234) [system] get_char((0x56051b6b4f40), m)
   Exit: (234) [system] get_char((0x56051b6b4f40), m)
   Call: (234) [system] m=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _347734)
   Call: (235) [system] peek_char((0x56051b6b4f40), _348668)
   Exit: (235) [system] peek_char((0x56051b6b4f40), p)
^  Call: (235) [user] is_delimiter(p)
   Call: (236) [system] char_type(p, space)
   Call: (236) [system] arg(_352460, v('(', ')', end_of_file), p)
   Call: (235) [system] ')'==p
   Call: (235) [system] get_char((0x56051b6b4f40), p)
   Exit: (235) [system] get_char((0x56051b6b4f40), p)
   Call: (235) [system] p=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _357030)
   Call: (236) [system] peek_char((0x56051b6b4f40), _357964)
   Exit: (236) [system] peek_char((0x56051b6b4f40), l)
^  Call: (236) [user] is_delimiter(l)
   Call: (237) [system] char_type(l, space)
   Call: (237) [system] arg(_361756, v('(', ')', end_of_file), l)
   Call: (236) [system] ')'==l
   Call: (236) [system] get_char((0x56051b6b4f40), l)
   Exit: (236) [system] get_char((0x56051b6b4f40), l)
   Call: (236) [system] l=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _366326)
   Call: (237) [system] peek_char((0x56051b6b4f40), _367260)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_371052, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _375622)
   Call: (238) [system] peek_char((0x56051b6b4f40), _376556)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_380348, v('(', ')', end_of_file), c)
   Call: (238) [system] ')'==c
   Call: (238) [system] get_char((0x56051b6b4f40), c)
   Exit: (238) [system] get_char((0x56051b6b4f40), c)
   Call: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _384918)
   Call: (239) [system] peek_char((0x56051b6b4f40), _385852)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
^  Call: (239) [user] is_delimiter(a)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] arg(_389644, v('(', ')', end_of_file), a)
   Call: (239) [system] ')'==a
   Call: (239) [system] get_char((0x56051b6b4f40), a)
   Exit: (239) [system] get_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _394214)
   Call: (240) [system] peek_char((0x56051b6b4f40), _395148)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_398940, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _403510)
   Call: (241) [system] peek_char((0x56051b6b4f40), _404444)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_408236, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _412806)
   Call: (242) [system] peek_char((0x56051b6b4f40), _413740)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_417532, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _422102)
   Call: (243) [system] peek_char((0x56051b6b4f40), _423036)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_426828, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _431398)
   Call: (244) [system] peek_char((0x56051b6b4f40), _432332)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _431398=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (243) [system] _422102=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (242) [system] _412806=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (241) [system] _403510=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (240) [system] _394214=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (239) [system] _384918=[a, t, i, o, n]
   Exit: (239) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (238) [system] _375622=[c, a, t, i, o, n]
   Exit: (238) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (237) [system] _366326=[i, c, a, t, i, o, n]
   Exit: (237) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (236) [system] _357030=[l, i, c, a, t, i, o, n]
   Exit: (236) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (235) [system] _347734=[p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (234) [system] _338438=[m, p, l, i, c, a, t, i, o, n]
   Exit: (234) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (233) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _317894)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_469582, _469584), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _317894), _469558, fail)), '$restore_trace'(_469582, _469584))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_469582, _469584))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _317894), _469558, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_317894)
   Call: (234) [system] atom_chars(_317894, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (234) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (233) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _478034)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _479892)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _486702)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _489406)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _498798)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _502512)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _504370)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _512838)
   Exit: (233) [system] get_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _502512)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _518408)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _526876)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=')'
   Call: (234) [system] 'A'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _530590)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _532448)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=(;)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _540916)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'='('
   Call: (235) [system] 'A'='['
   Call: (235) [system] 'A'='{'
   Call: (235) [system] 'A'='"'
   Call: (235) [system] 'A'=!
   Call: (235) [system] 'A'='\''
   Call: (235) [system] 'A'='`'
   Call: (235) [system] 'A'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _530590)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _551134)
   Call: (237) [system] peek_char((0x56051b6b4f40), _552068)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_555860, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _560430)
   Call: (238) [system] peek_char((0x56051b6b4f40), _561364)
   Exit: (238) [system] peek_char((0x56051b6b4f40), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_565156, v('(', ')', end_of_file), d)
   Call: (238) [system] ')'==d
   Call: (238) [system] get_char((0x56051b6b4f40), d)
   Exit: (238) [system] get_char((0x56051b6b4f40), d)
   Call: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _569726)
   Call: (239) [system] peek_char((0x56051b6b4f40), _570660)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_574452, v('(', ')', end_of_file), 'L')
   Call: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (239) [system] get_char((0x56051b6b4f40), 'L')
   Call: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _579022)
   Call: (240) [system] peek_char((0x56051b6b4f40), _579956)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_583748, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _588318)
   Call: (241) [system] peek_char((0x56051b6b4f40), _589252)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_593044, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _597614)
   Call: (242) [system] peek_char((0x56051b6b4f40), _598548)
   Exit: (242) [system] peek_char((0x56051b6b4f40), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_602340, v('(', ')', end_of_file), k)
   Call: (242) [system] ')'==k
   Call: (242) [system] get_char((0x56051b6b4f40), k)
   Exit: (242) [system] get_char((0x56051b6b4f40), k)
   Call: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _606910)
   Call: (243) [system] peek_char((0x56051b6b4f40), _607844)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _606910=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _597614=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (241) [system] _588318=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (240) [system] _579022=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (239) [system] _569726=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (238) [system] _560430=[d, 'L', i, n, k]
   Exit: (238) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (237) [system] _551134=[n, d, 'L', i, n, k]
   Exit: (237) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (236) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _530590)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_633918, _633920), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _530590), _633894, fail)), '$restore_trace'(_633918, _633920))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_633918, _633920))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _530590), _633894, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_530590)
   Call: (237) [system] atom_chars(_530590, ['A', n, d, 'L', i, n, k])
   Exit: (237) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (236) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _642370)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _644228)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _651038)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _653742)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _663134)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=')'
   Call: (235) [system] 'A'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _666848)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _668706)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _677174)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'='('
   Call: (236) [system] 'A'='['
   Call: (236) [system] 'A'='{'
   Call: (236) [system] 'A'='"'
   Call: (236) [system] 'A'=!
   Call: (236) [system] 'A'='\''
   Call: (236) [system] 'A'='`'
   Call: (236) [system] 'A'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _666848)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _687392)
   Call: (238) [system] peek_char((0x56051b6b4f40), _688326)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _687392=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (237) [user] classify_and_convert_charseq('A', [], _666848)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_697636, _697638), once(user:catch(read_from_chars(['A'], _666848), _697612, fail)), '$restore_trace'(_697636, _697638))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_697636, _697638))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _666848), _697612, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_666848)
   Call: (238) [system] atom_chars(_666848, ['A'])
   Exit: (238) [system] atom_chars('A', ['A'])
^  Exit: (237) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _706088)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _707946)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _714756)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _717460)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=(;)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _726852)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'=')'
   Call: (236) [system] 'B'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _730566)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _732424)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=(;)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _740892)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'B')
   Call: (237) [system] 'B'='('
   Call: (237) [system] 'B'='['
   Call: (237) [system] 'B'='{'
   Call: (237) [system] 'B'='"'
   Call: (237) [system] 'B'=!
   Call: (237) [system] 'B'='\''
   Call: (237) [system] 'B'='`'
   Call: (237) [system] 'B'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _730566)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _751110)
   Call: (239) [system] peek_char((0x56051b6b4f40), _752044)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (239) [user] is_delimiter(')')
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] arg(_755836, v('(', ')', end_of_file), ')')
   Exit: (240) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (239) [user] is_delimiter(')')
   Call: (239) [system] _751110=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq('B', [], _730566)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_762298, _762300), once(user:catch(read_from_chars(['B'], _730566), _762274, fail)), '$restore_trace'(_762298, _762300))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_762298, _762300))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _730566), _762274, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_730566)
   Call: (239) [system] atom_chars(_730566, ['B'])
   Exit: (239) [system] atom_chars('B', ['B'])
^  Exit: (238) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _770750)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _772608)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _781076)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x56051b6b4f40), _784866)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] _770750=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (236) [system] _706088=['B']
   Exit: (236) [system] ['B']=['B']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (235) [system] _642370=['A', 'B']
   Exit: (235) [system] ['A', 'B']=['A', 'B']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (234) [system] _502512=['AndLink', 'A', 'B']
   Exit: (234) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _798748)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _800606)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _807416)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _810120)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _819512)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=')'
   Call: (233) [system] 'C'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _823226)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _825084)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _833552)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'='('
   Call: (234) [system] 'C'='['
   Call: (234) [system] 'C'='{'
   Call: (234) [system] 'C'='"'
   Call: (234) [system] 'C'=!
   Call: (234) [system] 'C'='\''
   Call: (234) [system] 'C'='`'
   Call: (234) [system] 'C'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _823226)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _843770)
   Call: (236) [system] peek_char((0x56051b6b4f40), _844704)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_848496, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _843770=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq('C', [], _823226)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_854958, _854960), once(user:catch(read_from_chars(['C'], _823226), _854934, fail)), '$restore_trace'(_854958, _854960))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_854958, _854960))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _823226), _854934, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_823226)
   Call: (236) [system] atom_chars(_823226, ['C'])
   Exit: (236) [system] atom_chars('C', ['C'])
^  Exit: (235) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _863410)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _865268)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _873736)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _877526)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _863410=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _798748=['C']
   Exit: (233) [system] ['C']=['C']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (232) [system] _478034=[['AndLink', 'A', 'B'], 'C']
   Exit: (232) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (231) [system] _289816=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (231) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _891408)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _893266)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _901734)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _905524)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _891408=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _265338=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (229) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (228) [system] _201620=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (228) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (227) [system] _73852=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (227) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _919406)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _921264)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _929732)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _933522)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _919406=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _49374=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (225) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (224) [system] _6388=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (224) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (223) [system] _6380=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (223) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _947404)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _949262)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (223) [system] '\n'=(;)
^  Call: (223) [user] is_like_space('\n')
   Call: (224) [system] char_type('\n', 'white')
   Call: (224) [system] char_type('\n', end_of_line)
   Exit: (224) [system] char_type('\n', end_of_line)
^  Exit: (223) [user] is_like_space('\n')
   Call: (223) [system] get_char((0x56051b6b4f40), _956878)
   Exit: (223) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _959582)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (224) [system] '\t'=(;)
^  Call: (224) [user] is_like_space('\t')
   Call: (225) [system] char_type('\t', 'white')
   Exit: (225) [system] char_type('\t', 'white')
^  Exit: (224) [user] is_like_space('\t')
   Call: (224) [system] get_char((0x56051b6b4f40), _966392)
   Exit: (224) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _969096)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (225) [system] '\t'=(;)
^  Call: (225) [user] is_like_space('\t')
   Call: (226) [system] char_type('\t', 'white')
   Exit: (226) [system] char_type('\t', 'white')
^  Exit: (225) [user] is_like_space('\t')
   Call: (225) [system] get_char((0x56051b6b4f40), _975906)
   Exit: (225) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _978610)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _985420)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _988124)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1000288)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1004002)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1005860)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1014328)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1004002)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1019898)
   Exit: (225) [system] peek_char((0x56051b6b4f40), :)
   Call: (225) [system] (:)=(;)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1028366)
   Exit: (224) [system] peek_char((0x56051b6b4f40), :)
   Call: (224) [system] (:)=')'
   Call: (224) [system] (:)=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1032080)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1033938)
   Exit: (226) [system] peek_char((0x56051b6b4f40), :)
   Call: (226) [system] (:)=(;)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1042406)
   Exit: (225) [system] get_char((0x56051b6b4f40), :)
   Call: (225) [system] (:)='('
   Call: (225) [system] (:)='['
   Call: (225) [system] (:)='{'
   Call: (225) [system] (:)='"'
   Call: (225) [system] (:)=!
   Call: (225) [system] (:)='\''
   Call: (225) [system] (:)='`'
   Call: (225) [system] (:)=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), :, _1032080)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1052624)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1053558)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1052624=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq(:, [], _1032080)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1062868, _1062870), once(user:catch(read_from_chars([:], _1032080), _1062844, fail)), '$restore_trace'(_1062868, _1062870))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1062868, _1062870))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1062844, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(:)
   Exit: (227) [system] atomic(:)
^  Exit: (226) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1070368)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1072226)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1079036)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1081740)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1091132)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1094846)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1096704)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1105172)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1094846)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1110742)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1119210)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=')'
   Call: (227) [system] 'D'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1122924)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1124782)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'=(;)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1133250)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'='('
   Call: (228) [system] 'D'='['
   Call: (228) [system] 'D'='{'
   Call: (228) [system] 'D'='"'
   Call: (228) [system] 'D'=!
   Call: (228) [system] 'D'='\''
   Call: (228) [system] 'D'='`'
   Call: (228) [system] 'D'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1122924)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1143468)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1144402)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1148194, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1152764)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1153698)
   Exit: (231) [system] peek_char((0x56051b6b4f40), s)
^  Call: (231) [user] is_delimiter(s)
   Call: (232) [system] char_type(s, space)
   Call: (232) [system] arg(_1157490, v('(', ')', end_of_file), s)
   Call: (231) [system] ')'==s
   Call: (231) [system] get_char((0x56051b6b4f40), s)
   Exit: (231) [system] get_char((0x56051b6b4f40), s)
   Call: (231) [system] s=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1162060)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1162994)
   Exit: (232) [system] peek_char((0x56051b6b4f40), j)
^  Call: (232) [user] is_delimiter(j)
   Call: (233) [system] char_type(j, space)
   Call: (233) [system] arg(_1166786, v('(', ')', end_of_file), j)
   Call: (232) [system] ')'==j
   Call: (232) [system] get_char((0x56051b6b4f40), j)
   Exit: (232) [system] get_char((0x56051b6b4f40), j)
   Call: (232) [system] j=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1171356)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1172290)
   Exit: (233) [system] peek_char((0x56051b6b4f40), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_1176082, v('(', ')', end_of_file), u)
   Call: (233) [system] ')'==u
   Call: (233) [system] get_char((0x56051b6b4f40), u)
   Exit: (233) [system] get_char((0x56051b6b4f40), u)
   Call: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1180652)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1181586)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1185378, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1189948)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1190882)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1194674, v('(', ')', end_of_file), c)
   Call: (235) [system] ')'==c
   Call: (235) [system] get_char((0x56051b6b4f40), c)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1199244)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1200178)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1203970, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1208540)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1209474)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1213266, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1217836)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1218770)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1222562, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1227132)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1228066)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1231858, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1236428)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1237362)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (240) [user] is_delimiter('I')
   Call: (241) [system] char_type('I', space)
   Call: (241) [system] arg(_1241154, v('(', ')', end_of_file), 'I')
   Call: (240) [system] ')'=='I'
   Call: (240) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (240) [system] get_char((0x56051b6b4f40), 'I')
   Call: (240) [system] 'I'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1245724)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1246658)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1250450, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1255020)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1255954)
   Exit: (242) [system] peek_char((0x56051b6b4f40), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1259746, v('(', ')', end_of_file), t)
   Call: (242) [system] ')'==t
   Call: (242) [system] get_char((0x56051b6b4f40), t)
   Exit: (242) [system] get_char((0x56051b6b4f40), t)
   Call: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1264316)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1265250)
   Exit: (243) [system] peek_char((0x56051b6b4f40), r)
^  Call: (243) [user] is_delimiter(r)
   Call: (244) [system] char_type(r, space)
   Call: (244) [system] arg(_1269042, v('(', ')', end_of_file), r)
   Call: (243) [system] ')'==r
   Call: (243) [system] get_char((0x56051b6b4f40), r)
   Exit: (243) [system] get_char((0x56051b6b4f40), r)
   Call: (243) [system] r=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1273612)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1274546)
   Exit: (244) [system] peek_char((0x56051b6b4f40), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1278338, v('(', ')', end_of_file), o)
   Call: (244) [system] ')'==o
   Call: (244) [system] get_char((0x56051b6b4f40), o)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1282908)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1283842)
   Exit: (245) [system] peek_char((0x56051b6b4f40), d)
^  Call: (245) [user] is_delimiter(d)
   Call: (246) [system] char_type(d, space)
   Call: (246) [system] arg(_1287634, v('(', ')', end_of_file), d)
   Call: (245) [system] ')'==d
   Call: (245) [system] get_char((0x56051b6b4f40), d)
   Exit: (245) [system] get_char((0x56051b6b4f40), d)
   Call: (245) [system] d=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1292204)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1293138)
   Exit: (246) [system] peek_char((0x56051b6b4f40), u)
^  Call: (246) [user] is_delimiter(u)
   Call: (247) [system] char_type(u, space)
   Call: (247) [system] arg(_1296930, v('(', ')', end_of_file), u)
   Call: (246) [system] ')'==u
   Call: (246) [system] get_char((0x56051b6b4f40), u)
   Exit: (246) [system] get_char((0x56051b6b4f40), u)
   Call: (246) [system] u=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1301500)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1302434)
   Exit: (247) [system] peek_char((0x56051b6b4f40), c)
^  Call: (247) [user] is_delimiter(c)
   Call: (248) [system] char_type(c, space)
   Call: (248) [system] arg(_1306226, v('(', ')', end_of_file), c)
   Call: (247) [system] ')'==c
   Call: (247) [system] get_char((0x56051b6b4f40), c)
   Exit: (247) [system] get_char((0x56051b6b4f40), c)
   Call: (247) [system] c=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1310796)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1311730)
   Exit: (248) [system] peek_char((0x56051b6b4f40), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_1315522, v('(', ')', end_of_file), t)
   Call: (248) [system] ')'==t
   Call: (248) [system] get_char((0x56051b6b4f40), t)
   Exit: (248) [system] get_char((0x56051b6b4f40), t)
   Call: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1320092)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1321026)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_1324818, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1329388)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1330322)
   Exit: (250) [system] peek_char((0x56051b6b4f40), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_1334114, v('(', ')', end_of_file), o)
   Call: (250) [system] ')'==o
   Call: (250) [system] get_char((0x56051b6b4f40), o)
   Exit: (250) [system] get_char((0x56051b6b4f40), o)
   Call: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1338684)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1339618)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_1343410, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1347980)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1348914)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _1347980=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (251) [system] _1338684=[n]
   Exit: (251) [system] [n]=[n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (250) [system] _1329388=[o, n]
   Exit: (250) [system] [o, n]=[o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (249) [system] _1320092=[i, o, n]
   Exit: (249) [system] [i, o, n]=[i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (248) [system] _1310796=[t, i, o, n]
   Exit: (248) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (247) [system] _1301500=[c, t, i, o, n]
   Exit: (247) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (246) [system] _1292204=[u, c, t, i, o, n]
   Exit: (246) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (245) [system] _1282908=[d, u, c, t, i, o, n]
   Exit: (245) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (244) [system] _1273612=[o, d, u, c, t, i, o, n]
   Exit: (244) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (243) [system] _1264316=[r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1255020=[t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1245724=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1236428=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1227132=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1217836=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1208540=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1199244=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1189948=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1180652=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1171356=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1162060=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1152764=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1143468=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1122924)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1419692, _1419694), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1122924), _1419668, fail)), '$restore_trace'(_1419692, _1419694))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1419692, _1419694))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1122924), _1419668, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1122924)
   Call: (230) [system] atom_chars(_1122924, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (230) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1428144)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1430002)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1436812)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1439516)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1448908)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1452622)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1454480)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1462948)
   Exit: (229) [system] get_char((0x56051b6b4f40), a)
   Call: (229) [system] a='('
   Call: (229) [system] a='['
   Call: (229) [system] a='{'
   Call: (229) [system] a='"'
   Call: (229) [system] a=!
   Call: (229) [system] a='\''
   Call: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), a, _1452622)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1473166)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1474100)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1473166=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq(a, [], _1452622)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1483410, _1483412), once(user:catch(read_from_chars([a], _1452622), _1483386, fail)), '$restore_trace'(_1483410, _1483412))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1483410, _1483412))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1483386, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(a)
   Exit: (231) [system] atomic(a)
^  Exit: (230) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1490910)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1492768)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1499578)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1502282)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(;)
^  Call: (231) [user] is_like_space(c)
   Call: (232) [system] char_type(c, 'white')
   Call: (232) [system] char_type(c, end_of_line)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] char_type(c, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1511674)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
   Call: (229) [system] c=')'
   Call: (229) [system] c=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1515388)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1517246)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(;)
^  Call: (231) [user] is_like_space(c)
   Call: (232) [system] char_type(c, 'white')
   Call: (232) [system] char_type(c, end_of_line)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] char_type(c, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1525714)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c='('
   Call: (230) [system] c='['
   Call: (230) [system] c='{'
   Call: (230) [system] c='"'
   Call: (230) [system] c=!
   Call: (230) [system] c='\''
   Call: (230) [system] c='`'
   Call: (230) [system] c=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), c, _1515388)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1535932)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1536866)
   Exit: (232) [system] peek_char((0x56051b6b4f40), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_1540658, v('(', ')', end_of_file), d)
   Call: (232) [system] ')'==d
   Call: (232) [system] get_char((0x56051b6b4f40), d)
   Exit: (232) [system] get_char((0x56051b6b4f40), d)
   Call: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1545228)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1546162)
   Exit: (233) [system] peek_char((0x56051b6b4f40), e)
^  Call: (233) [user] is_delimiter(e)
   Call: (234) [system] char_type(e, space)
   Call: (234) [system] arg(_1549954, v('(', ')', end_of_file), e)
   Call: (233) [system] ')'==e
   Call: (233) [system] get_char((0x56051b6b4f40), e)
   Exit: (233) [system] get_char((0x56051b6b4f40), e)
   Call: (233) [system] e=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1554524)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1555458)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1559250, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1554524=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1545228=[e]
   Exit: (233) [system] [e]=[e]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (232) [system] _1535932=[d, e]
   Exit: (232) [system] [d, e]=[d, e]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (231) [user] classify_and_convert_charseq(c, [d, e], _1515388)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1571300, _1571302), once(user:catch(read_from_chars([c, d, e], _1515388), _1571276, fail)), '$restore_trace'(_1571300, _1571302))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1571300, _1571302))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1571276, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(cde)
   Exit: (232) [system] atomic(cde)
^  Exit: (231) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1578800)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1580658)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1589126)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _1592916)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _1578800=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1490910=[cde]
   Exit: (229) [system] [cde]=[cde]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (228) [system] _1428144=[a, cde]
   Exit: (228) [system] [a, cde]=[a, cde]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [a, cde])
   Call: (227) [system] _1094846=['DisjunctionIntroduction', a, cde]
   Exit: (227) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1606798)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1608656)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _1615466)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1618170)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1627562)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1631276)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1633134)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1641602)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1631276)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1647172)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1655640)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1659354)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1661212)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (230) [system] 'O'=(;)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1669680)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1659354)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1679898)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1680832)
   Exit: (231) [system] peek_char((0x56051b6b4f40), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_1684624, v('(', ')', end_of_file), r)
   Call: (231) [system] ')'==r
   Call: (231) [system] get_char((0x56051b6b4f40), r)
   Exit: (231) [system] get_char((0x56051b6b4f40), r)
   Call: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1689194)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1690128)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_1693920, v('(', ')', end_of_file), 'L')
   Call: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (232) [system] get_char((0x56051b6b4f40), 'L')
   Call: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1698490)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1699424)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1703216, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1707786)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1708720)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1712512, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1717082)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1718016)
   Exit: (235) [system] peek_char((0x56051b6b4f40), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_1721808, v('(', ')', end_of_file), k)
   Call: (235) [system] ')'==k
   Call: (235) [system] get_char((0x56051b6b4f40), k)
   Exit: (235) [system] get_char((0x56051b6b4f40), k)
   Call: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1726378)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1727312)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1726378=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _1717082=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (234) [system] _1707786=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (233) [system] _1698490=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (232) [system] _1689194=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (231) [system] _1679898=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1659354)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1750592, _1750594), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1659354), _1750568, fail)), '$restore_trace'(_1750592, _1750594))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1750592, _1750594))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1659354), _1750568, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1659354)
   Call: (231) [system] atom_chars(_1659354, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1759044)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1760902)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1767712)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1770416)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'=(;)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1779808)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'=')'
   Call: (229) [system] 'B'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1783522)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1785380)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'=(;)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1793848)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'='('
   Call: (230) [system] 'B'='['
   Call: (230) [system] 'B'='{'
   Call: (230) [system] 'B'='"'
   Call: (230) [system] 'B'=!
   Call: (230) [system] 'B'='\''
   Call: (230) [system] 'B'='`'
   Call: (230) [system] 'B'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1783522)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1804066)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1805000)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1804066=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('B', [], _1783522)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1814310, _1814312), once(user:catch(read_from_chars(['B'], _1783522), _1814286, fail)), '$restore_trace'(_1814310, _1814312))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1814310, _1814312))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1783522), _1814286, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1783522)
   Call: (232) [system] atom_chars(_1783522, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1822762)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1824620)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1831430)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1834134)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1843526)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1847240)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1849098)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1857566)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1847240)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1863136)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'=(;)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1871604)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'=')'
   Call: (232) [system] 'I'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1875318)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1877176)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'=(;)
^  Call: (234) [user] is_like_space('I')
   Call: (235) [system] char_type('I', 'white')
   Call: (235) [system] char_type('I', end_of_line)
   Call: (235) [system] char_type('I', space)
   Call: (235) [system] char_type('I', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1885644)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'='('
   Call: (233) [system] 'I'='['
   Call: (233) [system] 'I'='{'
   Call: (233) [system] 'I'='"'
   Call: (233) [system] 'I'=!
   Call: (233) [system] 'I'='\''
   Call: (233) [system] 'I'='`'
   Call: (233) [system] 'I'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1875318)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1895862)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1896796)
   Exit: (235) [system] peek_char((0x56051b6b4f40), m)
^  Call: (235) [user] is_delimiter(m)
   Call: (236) [system] char_type(m, space)
   Call: (236) [system] arg(_1900588, v('(', ')', end_of_file), m)
   Call: (235) [system] ')'==m
   Call: (235) [system] get_char((0x56051b6b4f40), m)
   Exit: (235) [system] get_char((0x56051b6b4f40), m)
   Call: (235) [system] m=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1905158)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1906092)
   Exit: (236) [system] peek_char((0x56051b6b4f40), p)
^  Call: (236) [user] is_delimiter(p)
   Call: (237) [system] char_type(p, space)
   Call: (237) [system] arg(_1909884, v('(', ')', end_of_file), p)
   Call: (236) [system] ')'==p
   Call: (236) [system] get_char((0x56051b6b4f40), p)
   Exit: (236) [system] get_char((0x56051b6b4f40), p)
   Call: (236) [system] p=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1914454)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1915388)
   Exit: (237) [system] peek_char((0x56051b6b4f40), l)
^  Call: (237) [user] is_delimiter(l)
   Call: (238) [system] char_type(l, space)
   Call: (238) [system] arg(_1919180, v('(', ')', end_of_file), l)
   Call: (237) [system] ')'==l
   Call: (237) [system] get_char((0x56051b6b4f40), l)
   Exit: (237) [system] get_char((0x56051b6b4f40), l)
   Call: (237) [system] l=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1923750)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1924684)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1928476, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1933046)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1933980)
   Exit: (239) [system] peek_char((0x56051b6b4f40), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_1937772, v('(', ')', end_of_file), c)
   Call: (239) [system] ')'==c
   Call: (239) [system] get_char((0x56051b6b4f40), c)
   Exit: (239) [system] get_char((0x56051b6b4f40), c)
   Call: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1942342)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1943276)
   Exit: (240) [system] peek_char((0x56051b6b4f40), a)
^  Call: (240) [user] is_delimiter(a)
   Call: (241) [system] char_type(a, space)
   Call: (241) [system] arg(_1947068, v('(', ')', end_of_file), a)
   Call: (240) [system] ')'==a
   Call: (240) [system] get_char((0x56051b6b4f40), a)
   Exit: (240) [system] get_char((0x56051b6b4f40), a)
   Call: (240) [system] a=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1951638)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1952572)
   Exit: (241) [system] peek_char((0x56051b6b4f40), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1956364, v('(', ')', end_of_file), t)
   Call: (241) [system] ')'==t
   Call: (241) [system] get_char((0x56051b6b4f40), t)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1960934)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1961868)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1965660, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1970230)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1971164)
   Exit: (243) [system] peek_char((0x56051b6b4f40), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1974956, v('(', ')', end_of_file), o)
   Call: (243) [system] ')'==o
   Call: (243) [system] get_char((0x56051b6b4f40), o)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1979526)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1980460)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1984252, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1988822)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1989756)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _1988822=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (244) [system] _1979526=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (243) [system] _1970230=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (242) [system] _1960934=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (241) [system] _1951638=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (240) [system] _1942342=[a, t, i, o, n]
   Exit: (240) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (239) [system] _1933046=[c, a, t, i, o, n]
   Exit: (239) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (238) [system] _1923750=[i, c, a, t, i, o, n]
   Exit: (238) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (237) [system] _1914454=[l, i, c, a, t, i, o, n]
   Exit: (237) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (236) [system] _1905158=[p, l, i, c, a, t, i, o, n]
   Exit: (236) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (235) [system] _1895862=[m, p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (234) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1875318)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_2027006, _2027008), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1875318), _2026982, fail)), '$restore_trace'(_2027006, _2027008))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_2027006, _2027008))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1875318), _2026982, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1875318)
   Call: (235) [system] atom_chars(_1875318, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (235) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (234) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _2035458)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _2037316)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _2044126)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _2046830)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _2056222)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _2059936)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _2061794)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _2070262)
   Exit: (234) [system] get_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _2059936)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _2075832)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (236) [system] 'O'=(;)
^  Call: (236) [user] is_like_space('O')
   Call: (237) [system] char_type('O', 'white')
   Call: (237) [system] char_type('O', end_of_line)
   Call: (237) [system] char_type('O', space)
   Call: (237) [system] char_type('O', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _2084300)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (235) [system] 'O'=')'
   Call: (235) [system] 'O'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _2088014)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _2089872)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (237) [system] 'O'=(;)
^  Call: (237) [user] is_like_space('O')
   Call: (238) [system] char_type('O', 'white')
   Call: (238) [system] char_type('O', end_of_line)
   Call: (238) [system] char_type('O', space)
   Call: (238) [system] char_type('O', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _8092)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'O')
   Call: (236) [system] 'O'='('
   Call: (236) [system] 'O'='['
   Call: (236) [system] 'O'='{'
   Call: (236) [system] 'O'='"'
   Call: (236) [system] 'O'=!
   Call: (236) [system] 'O'='\''
   Call: (236) [system] 'O'='`'
   Call: (236) [system] 'O'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _6548)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _18310)
   Call: (238) [system] peek_char((0x56051b6b4f40), _19244)
   Exit: (238) [system] peek_char((0x56051b6b4f40), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_23036, v('(', ')', end_of_file), r)
   Call: (238) [system] ')'==r
   Call: (238) [system] get_char((0x56051b6b4f40), r)
   Exit: (238) [system] get_char((0x56051b6b4f40), r)
   Call: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _27606)
   Call: (239) [system] peek_char((0x56051b6b4f40), _28540)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_32332, v('(', ')', end_of_file), 'L')
   Call: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (239) [system] get_char((0x56051b6b4f40), 'L')
   Call: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _36902)
   Call: (240) [system] peek_char((0x56051b6b4f40), _37836)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_41628, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _46198)
   Call: (241) [system] peek_char((0x56051b6b4f40), _47132)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_50924, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _55494)
   Call: (242) [system] peek_char((0x56051b6b4f40), _56428)
   Exit: (242) [system] peek_char((0x56051b6b4f40), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_60220, v('(', ')', end_of_file), k)
   Call: (242) [system] ')'==k
   Call: (242) [system] get_char((0x56051b6b4f40), k)
   Exit: (242) [system] get_char((0x56051b6b4f40), k)
   Call: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _64790)
   Call: (243) [system] peek_char((0x56051b6b4f40), _65724)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _64790=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _55494=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (241) [system] _46198=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (240) [system] _36902=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (239) [system] _27606=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (238) [system] _18310=[r, 'L', i, n, k]
   Exit: (238) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (237) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _6548)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_89004, _89006), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _6548), _88980, fail)), '$restore_trace'(_89004, _89006))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_89004, _89006))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _6548), _88980, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_6548)
   Call: (238) [system] atom_chars(_6548, ['O', r, 'L', i, n, k])
   Exit: (238) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (237) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _97456)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _99314)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _106124)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _108828)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'=(;)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _118220)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (236) [system] 'C'=')'
   Call: (236) [system] 'C'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _121934)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _123792)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'=(;)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _132260)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'='('
   Call: (237) [system] 'C'='['
   Call: (237) [system] 'C'='{'
   Call: (237) [system] 'C'='"'
   Call: (237) [system] 'C'=!
   Call: (237) [system] 'C'='\''
   Call: (237) [system] 'C'='`'
   Call: (237) [system] 'C'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _121934)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _142478)
   Call: (239) [system] peek_char((0x56051b6b4f40), _143412)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _142478=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq('C', [], _121934)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_152722, _152724), once(user:catch(read_from_chars(['C'], _121934), _152698, fail)), '$restore_trace'(_152722, _152724))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_152722, _152724))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _121934), _152698, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_121934)
   Call: (239) [system] atom_chars(_121934, ['C'])
   Exit: (239) [system] atom_chars('C', ['C'])
^  Exit: (238) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _161174)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _163032)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _169842)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _172546)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (239) [system] 'D'=(;)
^  Call: (239) [user] is_like_space('D')
   Call: (240) [system] char_type('D', 'white')
   Call: (240) [system] char_type('D', end_of_line)
   Call: (240) [system] char_type('D', space)
   Call: (240) [system] char_type('D', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _181938)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (237) [system] 'D'=')'
   Call: (237) [system] 'D'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _185652)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _187510)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (239) [system] 'D'=(;)
^  Call: (239) [user] is_like_space('D')
   Call: (240) [system] char_type('D', 'white')
   Call: (240) [system] char_type('D', end_of_line)
   Call: (240) [system] char_type('D', space)
   Call: (240) [system] char_type('D', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _195978)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'D')
   Call: (238) [system] 'D'='('
   Call: (238) [system] 'D'='['
   Call: (238) [system] 'D'='{'
   Call: (238) [system] 'D'='"'
   Call: (238) [system] 'D'=!
   Call: (238) [system] 'D'='\''
   Call: (238) [system] 'D'='`'
   Call: (238) [system] 'D'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _185652)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _206196)
   Call: (240) [system] peek_char((0x56051b6b4f40), _207130)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_210922, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _206196=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq('D', [], _185652)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_217384, _217386), once(user:catch(read_from_chars(['D'], _185652), _217360, fail)), '$restore_trace'(_217384, _217386))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_217384, _217386))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _185652), _217360, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_185652)
   Call: (240) [system] atom_chars(_185652, ['D'])
   Exit: (240) [system] atom_chars('D', ['D'])
^  Exit: (239) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _225836)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _227694)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _236162)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x56051b6b4f40), _239952)
   Exit: (238) [system] get_char((0x56051b6b4f40), ')')
   Call: (238) [system] _225836=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (237) [system] _161174=['D']
   Exit: (237) [system] ['D']=['D']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (236) [system] _97456=['C', 'D']
   Exit: (236) [system] ['C', 'D']=['C', 'D']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (235) [system] _6542=['OrLink', 'C', 'D']
   Exit: (235) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _253834)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _255692)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _262502)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _265206)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (236) [system] 'E'=(;)
^  Call: (236) [user] is_like_space('E')
   Call: (237) [system] char_type('E', 'white')
   Call: (237) [system] char_type('E', end_of_line)
   Call: (237) [system] char_type('E', space)
   Call: (237) [system] char_type('E', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _274598)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (234) [system] 'E'=')'
   Call: (234) [system] 'E'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _278312)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _280170)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (236) [system] 'E'=(;)
^  Call: (236) [user] is_like_space('E')
   Call: (237) [system] char_type('E', 'white')
   Call: (237) [system] char_type('E', end_of_line)
   Call: (237) [system] char_type('E', space)
   Call: (237) [system] char_type('E', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _288638)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'E')
   Call: (235) [system] 'E'='('
   Call: (235) [system] 'E'='['
   Call: (235) [system] 'E'='{'
   Call: (235) [system] 'E'='"'
   Call: (235) [system] 'E'=!
   Call: (235) [system] 'E'='\''
   Call: (235) [system] 'E'='`'
   Call: (235) [system] 'E'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _278312)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _298856)
   Call: (237) [system] peek_char((0x56051b6b4f40), _299790)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_303582, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _298856=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (236) [user] classify_and_convert_charseq('E', [], _278312)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_310044, _310046), once(user:catch(read_from_chars(['E'], _278312), _310020, fail)), '$restore_trace'(_310044, _310046))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_310044, _310046))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _278312), _310020, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_278312)
   Call: (237) [system] atom_chars(_278312, ['E'])
   Exit: (237) [system] atom_chars('E', ['E'])
^  Exit: (236) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _318496)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _320354)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _328822)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x56051b6b4f40), _332612)
   Exit: (235) [system] get_char((0x56051b6b4f40), ')')
   Call: (235) [system] _318496=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (234) [system] _253834=['E']
   Exit: (234) [system] ['E']=['E']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (233) [system] _6538=[['OrLink', 'C', 'D'], 'E']
   Exit: (233) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (232) [system] _6530=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (232) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _346494)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _348352)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _356820)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _360610)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _346494=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _6526=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (230) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (229) [system] _6520=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (229) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (228) [system] _6512=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (228) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _374492)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _376350)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _384818)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _388608)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _374492=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _6508=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (226) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (225) [system] _6484=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (225) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (224) [system] _6476=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (224) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _402490)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _404348)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (224) [system] '\n'=(;)
^  Call: (224) [user] is_like_space('\n')
   Call: (225) [system] char_type('\n', 'white')
   Call: (225) [system] char_type('\n', end_of_line)
   Exit: (225) [system] char_type('\n', end_of_line)
^  Exit: (224) [user] is_like_space('\n')
   Call: (224) [system] get_char((0x56051b6b4f40), _411964)
   Exit: (224) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _414668)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (225) [system] '\t'=(;)
^  Call: (225) [user] is_like_space('\t')
   Call: (226) [system] char_type('\t', 'white')
   Exit: (226) [system] char_type('\t', 'white')
^  Exit: (225) [user] is_like_space('\t')
   Call: (225) [system] get_char((0x56051b6b4f40), _421478)
   Exit: (225) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _424182)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (226) [system] '\t'=(;)
^  Call: (226) [user] is_like_space('\t')
   Call: (227) [system] char_type('\t', 'white')
   Exit: (227) [system] char_type('\t', 'white')
^  Exit: (226) [user] is_like_space('\t')
   Call: (226) [system] get_char((0x56051b6b4f40), _430992)
   Exit: (226) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _433696)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _440506)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _443210)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _455374)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _459088)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _460946)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _469414)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _459088)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _474984)
   Exit: (226) [system] peek_char((0x56051b6b4f40), :)
   Call: (226) [system] (:)=(;)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _483452)
   Exit: (225) [system] peek_char((0x56051b6b4f40), :)
   Call: (225) [system] (:)=')'
   Call: (225) [system] (:)=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _487166)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _489024)
   Exit: (227) [system] peek_char((0x56051b6b4f40), :)
   Call: (227) [system] (:)=(;)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _497492)
   Exit: (226) [system] get_char((0x56051b6b4f40), :)
   Call: (226) [system] (:)='('
   Call: (226) [system] (:)='['
   Call: (226) [system] (:)='{'
   Call: (226) [system] (:)='"'
   Call: (226) [system] (:)=!
   Call: (226) [system] (:)='\''
   Call: (226) [system] (:)='`'
   Call: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), :, _487166)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _507710)
   Call: (228) [system] peek_char((0x56051b6b4f40), _508644)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _507710=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq(:, [], _487166)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_517954, _517956), once(user:catch(read_from_chars([:], _487166), _517930, fail)), '$restore_trace'(_517954, _517956))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_517954, _517956))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _517930, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(:)
   Exit: (228) [system] atomic(:)
^  Exit: (227) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _525454)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _527312)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _534122)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _536826)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _546218)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _549932)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _551790)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _560258)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _549932)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _565828)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'=(;)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _574296)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _578010)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _579868)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'=(;)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _588336)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _578010)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _598554)
   Call: (231) [system] peek_char((0x56051b6b4f40), _599488)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_603280, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _607850)
   Call: (232) [system] peek_char((0x56051b6b4f40), _608784)
   Exit: (232) [system] peek_char((0x56051b6b4f40), s)
^  Call: (232) [user] is_delimiter(s)
   Call: (233) [system] char_type(s, space)
   Call: (233) [system] arg(_612576, v('(', ')', end_of_file), s)
   Call: (232) [system] ')'==s
   Call: (232) [system] get_char((0x56051b6b4f40), s)
   Exit: (232) [system] get_char((0x56051b6b4f40), s)
   Call: (232) [system] s=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _617146)
   Call: (233) [system] peek_char((0x56051b6b4f40), _618080)
   Exit: (233) [system] peek_char((0x56051b6b4f40), j)
^  Call: (233) [user] is_delimiter(j)
   Call: (234) [system] char_type(j, space)
   Call: (234) [system] arg(_621872, v('(', ')', end_of_file), j)
   Call: (233) [system] ')'==j
   Call: (233) [system] get_char((0x56051b6b4f40), j)
   Exit: (233) [system] get_char((0x56051b6b4f40), j)
   Call: (233) [system] j=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _626442)
   Call: (234) [system] peek_char((0x56051b6b4f40), _627376)
   Exit: (234) [system] peek_char((0x56051b6b4f40), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_631168, v('(', ')', end_of_file), u)
   Call: (234) [system] ')'==u
   Call: (234) [system] get_char((0x56051b6b4f40), u)
   Exit: (234) [system] get_char((0x56051b6b4f40), u)
   Call: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _635738)
   Call: (235) [system] peek_char((0x56051b6b4f40), _636672)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_640464, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _645034)
   Call: (236) [system] peek_char((0x56051b6b4f40), _645968)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_649760, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _654330)
   Call: (237) [system] peek_char((0x56051b6b4f40), _655264)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_659056, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _663626)
   Call: (238) [system] peek_char((0x56051b6b4f40), _664560)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_668352, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _672922)
   Call: (239) [system] peek_char((0x56051b6b4f40), _673856)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_677648, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _682218)
   Call: (240) [system] peek_char((0x56051b6b4f40), _683152)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_686944, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _691514)
   Call: (241) [system] peek_char((0x56051b6b4f40), _692448)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (241) [user] is_delimiter('I')
   Call: (242) [system] char_type('I', space)
   Call: (242) [system] arg(_696240, v('(', ')', end_of_file), 'I')
   Call: (241) [system] ')'=='I'
   Call: (241) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (241) [system] get_char((0x56051b6b4f40), 'I')
   Call: (241) [system] 'I'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _700810)
   Call: (242) [system] peek_char((0x56051b6b4f40), _701744)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_705536, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _710106)
   Call: (243) [system] peek_char((0x56051b6b4f40), _711040)
   Exit: (243) [system] peek_char((0x56051b6b4f40), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_714832, v('(', ')', end_of_file), t)
   Call: (243) [system] ')'==t
   Call: (243) [system] get_char((0x56051b6b4f40), t)
   Exit: (243) [system] get_char((0x56051b6b4f40), t)
   Call: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _719402)
   Call: (244) [system] peek_char((0x56051b6b4f40), _720336)
   Exit: (244) [system] peek_char((0x56051b6b4f40), r)
^  Call: (244) [user] is_delimiter(r)
   Call: (245) [system] char_type(r, space)
   Call: (245) [system] arg(_724128, v('(', ')', end_of_file), r)
   Call: (244) [system] ')'==r
   Call: (244) [system] get_char((0x56051b6b4f40), r)
   Exit: (244) [system] get_char((0x56051b6b4f40), r)
   Call: (244) [system] r=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _728698)
   Call: (245) [system] peek_char((0x56051b6b4f40), _729632)
   Exit: (245) [system] peek_char((0x56051b6b4f40), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_733424, v('(', ')', end_of_file), o)
   Call: (245) [system] ')'==o
   Call: (245) [system] get_char((0x56051b6b4f40), o)
   Exit: (245) [system] get_char((0x56051b6b4f40), o)
   Call: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _737994)
   Call: (246) [system] peek_char((0x56051b6b4f40), _738928)
   Exit: (246) [system] peek_char((0x56051b6b4f40), d)
^  Call: (246) [user] is_delimiter(d)
   Call: (247) [system] char_type(d, space)
   Call: (247) [system] arg(_742720, v('(', ')', end_of_file), d)
   Call: (246) [system] ')'==d
   Call: (246) [system] get_char((0x56051b6b4f40), d)
   Exit: (246) [system] get_char((0x56051b6b4f40), d)
   Call: (246) [system] d=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _747290)
   Call: (247) [system] peek_char((0x56051b6b4f40), _748224)
   Exit: (247) [system] peek_char((0x56051b6b4f40), u)
^  Call: (247) [user] is_delimiter(u)
   Call: (248) [system] char_type(u, space)
   Call: (248) [system] arg(_752016, v('(', ')', end_of_file), u)
   Call: (247) [system] ')'==u
   Call: (247) [system] get_char((0x56051b6b4f40), u)
   Exit: (247) [system] get_char((0x56051b6b4f40), u)
   Call: (247) [system] u=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _756586)
   Call: (248) [system] peek_char((0x56051b6b4f40), _757520)
   Exit: (248) [system] peek_char((0x56051b6b4f40), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_761312, v('(', ')', end_of_file), c)
   Call: (248) [system] ')'==c
   Call: (248) [system] get_char((0x56051b6b4f40), c)
   Exit: (248) [system] get_char((0x56051b6b4f40), c)
   Call: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _765882)
   Call: (249) [system] peek_char((0x56051b6b4f40), _766816)
   Exit: (249) [system] peek_char((0x56051b6b4f40), t)
^  Call: (249) [user] is_delimiter(t)
   Call: (250) [system] char_type(t, space)
   Call: (250) [system] arg(_770608, v('(', ')', end_of_file), t)
   Call: (249) [system] ')'==t
   Call: (249) [system] get_char((0x56051b6b4f40), t)
   Exit: (249) [system] get_char((0x56051b6b4f40), t)
   Call: (249) [system] t=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _775178)
   Call: (250) [system] peek_char((0x56051b6b4f40), _776112)
   Exit: (250) [system] peek_char((0x56051b6b4f40), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_779904, v('(', ')', end_of_file), i)
   Call: (250) [system] ')'==i
   Call: (250) [system] get_char((0x56051b6b4f40), i)
   Exit: (250) [system] get_char((0x56051b6b4f40), i)
   Call: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _784474)
   Call: (251) [system] peek_char((0x56051b6b4f40), _785408)
   Exit: (251) [system] peek_char((0x56051b6b4f40), o)
^  Call: (251) [user] is_delimiter(o)
   Call: (252) [system] char_type(o, space)
   Call: (252) [system] arg(_789200, v('(', ')', end_of_file), o)
   Call: (251) [system] ')'==o
   Call: (251) [system] get_char((0x56051b6b4f40), o)
   Exit: (251) [system] get_char((0x56051b6b4f40), o)
   Call: (251) [system] o=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _793770)
   Call: (252) [system] peek_char((0x56051b6b4f40), _794704)
   Exit: (252) [system] peek_char((0x56051b6b4f40), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_798496, v('(', ')', end_of_file), n)
   Call: (252) [system] ')'==n
   Call: (252) [system] get_char((0x56051b6b4f40), n)
   Exit: (252) [system] get_char((0x56051b6b4f40), n)
   Call: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _803066)
   Call: (253) [system] peek_char((0x56051b6b4f40), _804000)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _803066=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (252) [system] _793770=[n]
   Exit: (252) [system] [n]=[n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (251) [system] _784474=[o, n]
   Exit: (251) [system] [o, n]=[o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (250) [system] _775178=[i, o, n]
   Exit: (250) [system] [i, o, n]=[i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (249) [system] _765882=[t, i, o, n]
   Exit: (249) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (248) [system] _756586=[c, t, i, o, n]
   Exit: (248) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (247) [system] _747290=[u, c, t, i, o, n]
   Exit: (247) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (246) [system] _737994=[d, u, c, t, i, o, n]
   Exit: (246) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (245) [system] _728698=[o, d, u, c, t, i, o, n]
   Exit: (245) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (244) [system] _719402=[r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _710106=[t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _700810=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _691514=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _682218=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _672922=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _663626=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _654330=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _645034=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _635738=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _626442=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _617146=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _607850=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _598554=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _578010)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_874778, _874780), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _578010), _874754, fail)), '$restore_trace'(_874778, _874780))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_874778, _874780))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _578010), _874754, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_578010)
   Call: (231) [system] atom_chars(_578010, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (231) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _883230)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _885088)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _891898)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _894602)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(;)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _903994)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=')'
   Call: (229) [system] a=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _907708)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _909566)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(;)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _918034)
   Exit: (230) [system] get_char((0x56051b6b4f40), a)
   Call: (230) [system] a='('
   Call: (230) [system] a='['
   Call: (230) [system] a='{'
   Call: (230) [system] a='"'
   Call: (230) [system] a=!
   Call: (230) [system] a='\''
   Call: (230) [system] a='`'
   Call: (230) [system] a=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), a, _907708)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _928252)
   Call: (232) [system] peek_char((0x56051b6b4f40), _929186)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _928252=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq(a, [], _907708)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_938496, _938498), once(user:catch(read_from_chars([a], _907708), _938472, fail)), '$restore_trace'(_938496, _938498))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_938496, _938498))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _938472, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(a)
   Exit: (232) [system] atomic(a)
^  Exit: (231) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _945996)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _947854)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _954664)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _957368)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _966760)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _970474)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _972332)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _980800)
   Exit: (231) [system] get_char((0x56051b6b4f40), a)
   Call: (231) [system] a='('
   Call: (231) [system] a='['
   Call: (231) [system] a='{'
   Call: (231) [system] a='"'
   Call: (231) [system] a=!
   Call: (231) [system] a='\''
   Call: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), a, _970474)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _991018)
   Call: (233) [system] peek_char((0x56051b6b4f40), _991952)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_995744, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _991018=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq(a, [], _970474)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1002206, _1002208), once(user:catch(read_from_chars([a], _970474), _1002182, fail)), '$restore_trace'(_1002206, _1002208))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1002206, _1002208))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1002182, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(a)
   Exit: (233) [system] atomic(a)
^  Exit: (232) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1009706)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1011564)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1020032)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _1023822)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _1009706=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _945996=[a]
   Exit: (230) [system] [a]=[a]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (229) [system] _883230=[a, a]
   Exit: (229) [system] [a, a]=[a, a]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (228) [system] _549932=['DisjunctionIntroduction', a, a]
   Exit: (228) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1037704)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1039562)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1046372)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1049076)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1058468)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1062182)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1064040)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1072508)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1062182)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1078078)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (230) [system] 'O'=(;)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1086546)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'=')'
   Call: (229) [system] 'O'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1090260)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1092118)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (231) [system] 'O'=(;)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1100586)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'O')
   Call: (230) [system] 'O'='('
   Call: (230) [system] 'O'='['
   Call: (230) [system] 'O'='{'
   Call: (230) [system] 'O'='"'
   Call: (230) [system] 'O'=!
   Call: (230) [system] 'O'='\''
   Call: (230) [system] 'O'='`'
   Call: (230) [system] 'O'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1090260)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1110804)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1111738)
   Exit: (232) [system] peek_char((0x56051b6b4f40), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_1115530, v('(', ')', end_of_file), r)
   Call: (232) [system] ')'==r
   Call: (232) [system] get_char((0x56051b6b4f40), r)
   Exit: (232) [system] get_char((0x56051b6b4f40), r)
   Call: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1120100)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1121034)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_1124826, v('(', ')', end_of_file), 'L')
   Call: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (233) [system] get_char((0x56051b6b4f40), 'L')
   Call: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1129396)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1130330)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1134122, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1138692)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1139626)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1143418, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1147988)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1148922)
   Exit: (236) [system] peek_char((0x56051b6b4f40), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_1152714, v('(', ')', end_of_file), k)
   Call: (236) [system] ')'==k
   Call: (236) [system] get_char((0x56051b6b4f40), k)
   Exit: (236) [system] get_char((0x56051b6b4f40), k)
   Call: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1157284)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1158218)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1157284=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1147988=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (235) [system] _1138692=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (234) [system] _1129396=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (233) [system] _1120100=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (232) [system] _1110804=[r, 'L', i, n, k]
   Exit: (232) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1090260)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1181498, _1181500), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1090260), _1181474, fail)), '$restore_trace'(_1181498, _1181500))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1181498, _1181500))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1090260), _1181474, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1090260)
   Call: (232) [system] atom_chars(_1090260, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1189950)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1191808)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1198618)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1201322)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=(;)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1210714)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=')'
   Call: (230) [system] 'B'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1214428)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1216286)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=(;)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1224754)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'='('
   Call: (231) [system] 'B'='['
   Call: (231) [system] 'B'='{'
   Call: (231) [system] 'B'='"'
   Call: (231) [system] 'B'=!
   Call: (231) [system] 'B'='\''
   Call: (231) [system] 'B'='`'
   Call: (231) [system] 'B'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1214428)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1234972)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1235906)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1234972=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('B', [], _1214428)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1245216, _1245218), once(user:catch(read_from_chars(['B'], _1214428), _1245192, fail)), '$restore_trace'(_1245216, _1245218))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1245216, _1245218))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1214428), _1245192, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1214428)
   Call: (233) [system] atom_chars(_1214428, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1253668)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1255526)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1262336)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1265040)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1274432)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1278146)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1280004)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1288472)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1278146)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1298690)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1299624)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1303416, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1298690=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('A', [], _1278146)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1309878, _1309880), once(user:catch(read_from_chars(['A'], _1278146), _1309854, fail)), '$restore_trace'(_1309878, _1309880))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1309878, _1309880))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1278146), _1309854, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1278146)
   Call: (234) [system] atom_chars(_1278146, ['A'])
   Exit: (234) [system] atom_chars('A', ['A'])
^  Exit: (233) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1318330)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1320188)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1328656)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _1332446)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _1318330=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _1253668=['A']
   Exit: (231) [system] ['A']=['A']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (230) [system] _1189950=['B', 'A']
   Exit: (230) [system] ['B', 'A']=['B', 'A']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['B', 'A'])
   Call: (229) [system] _1062182=['OrLink', 'B', 'A']
   Exit: (229) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', 'A'])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', 'A'])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1346328)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1348186)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1356654)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _1360444)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _1346328=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1037704=[['OrLink', 'B', 'A']]
   Exit: (227) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', 'A']])
   Call: (226) [system] _525454=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (226) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
   Call: (225) [system] _459088=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (225) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1374326)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1376184)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (225) [system] '\n'=(;)
^  Call: (225) [user] is_like_space('\n')
   Call: (226) [system] char_type('\n', 'white')
   Call: (226) [system] char_type('\n', end_of_line)
   Exit: (226) [system] char_type('\n', end_of_line)
^  Exit: (225) [user] is_like_space('\n')
   Call: (225) [system] get_char((0x56051b6b4f40), _1383800)
   Exit: (225) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1386504)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (226) [system] '\t'=(;)
^  Call: (226) [user] is_like_space('\t')
   Call: (227) [system] char_type('\t', 'white')
   Exit: (227) [system] char_type('\t', 'white')
^  Exit: (226) [user] is_like_space('\t')
   Call: (226) [system] get_char((0x56051b6b4f40), _1393314)
   Exit: (226) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1396018)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '\t')
   Call: (227) [system] '\t'=(;)
^  Call: (227) [user] is_like_space('\t')
   Call: (228) [system] char_type('\t', 'white')
   Exit: (228) [system] char_type('\t', 'white')
^  Exit: (227) [user] is_like_space('\t')
   Call: (227) [system] get_char((0x56051b6b4f40), _1402828)
   Exit: (227) [system] get_char((0x56051b6b4f40), '\t')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1405532)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1412342)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1415046)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1427210)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1430924)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1432782)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1441250)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1430924)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1446820)
   Exit: (227) [system] peek_char((0x56051b6b4f40), :)
   Call: (227) [system] (:)=(;)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1455288)
   Exit: (226) [system] peek_char((0x56051b6b4f40), :)
   Call: (226) [system] (:)=')'
   Call: (226) [system] (:)=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1459002)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1460860)
   Exit: (228) [system] peek_char((0x56051b6b4f40), :)
   Call: (228) [system] (:)=(;)
^  Call: (228) [user] is_like_space(:)
   Call: (229) [system] char_type(:, 'white')
   Call: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] char_type(:, space)
   Call: (229) [system] char_type(:, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1469328)
   Exit: (227) [system] get_char((0x56051b6b4f40), :)
   Call: (227) [system] (:)='('
   Call: (227) [system] (:)='['
   Call: (227) [system] (:)='{'
   Call: (227) [system] (:)='"'
   Call: (227) [system] (:)=!
   Call: (227) [system] (:)='\''
   Call: (227) [system] (:)='`'
   Call: (227) [system] (:)=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), :, _1459002)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1479546)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1480480)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1479546=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq(:, [], _1459002)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1489790, _1489792), once(user:catch(read_from_chars([:], _1459002), _1489766, fail)), '$restore_trace'(_1489790, _1489792))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1489790, _1489792))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1489766, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(:)
   Exit: (229) [system] atomic(:)
^  Exit: (228) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1497290)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1499148)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1505958)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1508662)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1518054)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1521768)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1523626)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1532094)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1521768)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1537664)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'=(;)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1546132)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1549846)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1551704)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1560172)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1549846)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1570390)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1571324)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1575116, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1579686)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1580620)
   Exit: (233) [system] peek_char((0x56051b6b4f40), s)
^  Call: (233) [user] is_delimiter(s)
   Call: (234) [system] char_type(s, space)
   Call: (234) [system] arg(_1584412, v('(', ')', end_of_file), s)
   Call: (233) [system] ')'==s
   Call: (233) [system] get_char((0x56051b6b4f40), s)
   Exit: (233) [system] get_char((0x56051b6b4f40), s)
   Call: (233) [system] s=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1588982)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1589916)
   Exit: (234) [system] peek_char((0x56051b6b4f40), j)
^  Call: (234) [user] is_delimiter(j)
   Call: (235) [system] char_type(j, space)
   Call: (235) [system] arg(_1593708, v('(', ')', end_of_file), j)
   Call: (234) [system] ')'==j
   Call: (234) [system] get_char((0x56051b6b4f40), j)
   Exit: (234) [system] get_char((0x56051b6b4f40), j)
   Call: (234) [system] j=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1598278)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1599212)
   Exit: (235) [system] peek_char((0x56051b6b4f40), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_1603004, v('(', ')', end_of_file), u)
   Call: (235) [system] ')'==u
   Call: (235) [system] get_char((0x56051b6b4f40), u)
   Exit: (235) [system] get_char((0x56051b6b4f40), u)
   Call: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1607574)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1608508)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1612300, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1616870)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1617804)
   Exit: (237) [system] peek_char((0x56051b6b4f40), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1621596, v('(', ')', end_of_file), c)
   Call: (237) [system] ')'==c
   Call: (237) [system] get_char((0x56051b6b4f40), c)
   Exit: (237) [system] get_char((0x56051b6b4f40), c)
   Call: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1626166)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1627100)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1630892, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1635462)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1636396)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1640188, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1644758)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1645692)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1649484, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1654054)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1654988)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1658780, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1663350)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1664284)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (242) [user] is_delimiter('I')
   Call: (243) [system] char_type('I', space)
   Call: (243) [system] arg(_1668076, v('(', ')', end_of_file), 'I')
   Call: (242) [system] ')'=='I'
   Call: (242) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (242) [system] get_char((0x56051b6b4f40), 'I')
   Call: (242) [system] 'I'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1672646)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1673580)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1677372, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1681942)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1682876)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1686668, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1691238)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1692172)
   Exit: (245) [system] peek_char((0x56051b6b4f40), r)
^  Call: (245) [user] is_delimiter(r)
   Call: (246) [system] char_type(r, space)
   Call: (246) [system] arg(_1695964, v('(', ')', end_of_file), r)
   Call: (245) [system] ')'==r
   Call: (245) [system] get_char((0x56051b6b4f40), r)
   Exit: (245) [system] get_char((0x56051b6b4f40), r)
   Call: (245) [system] r=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1700534)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1701468)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1705260, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1709830)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1710764)
   Exit: (247) [system] peek_char((0x56051b6b4f40), d)
^  Call: (247) [user] is_delimiter(d)
   Call: (248) [system] char_type(d, space)
   Call: (248) [system] arg(_1714556, v('(', ')', end_of_file), d)
   Call: (247) [system] ')'==d
   Call: (247) [system] get_char((0x56051b6b4f40), d)
   Exit: (247) [system] get_char((0x56051b6b4f40), d)
   Call: (247) [system] d=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1719126)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1720060)
   Exit: (248) [system] peek_char((0x56051b6b4f40), u)
^  Call: (248) [user] is_delimiter(u)
   Call: (249) [system] char_type(u, space)
   Call: (249) [system] arg(_1723852, v('(', ')', end_of_file), u)
   Call: (248) [system] ')'==u
   Call: (248) [system] get_char((0x56051b6b4f40), u)
   Exit: (248) [system] get_char((0x56051b6b4f40), u)
   Call: (248) [system] u=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1728422)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1729356)
   Exit: (249) [system] peek_char((0x56051b6b4f40), c)
^  Call: (249) [user] is_delimiter(c)
   Call: (250) [system] char_type(c, space)
   Call: (250) [system] arg(_1733148, v('(', ')', end_of_file), c)
   Call: (249) [system] ')'==c
   Call: (249) [system] get_char((0x56051b6b4f40), c)
   Exit: (249) [system] get_char((0x56051b6b4f40), c)
   Call: (249) [system] c=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1737718)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1738652)
   Exit: (250) [system] peek_char((0x56051b6b4f40), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_1742444, v('(', ')', end_of_file), t)
   Call: (250) [system] ')'==t
   Call: (250) [system] get_char((0x56051b6b4f40), t)
   Exit: (250) [system] get_char((0x56051b6b4f40), t)
   Call: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1747014)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1747948)
   Exit: (251) [system] peek_char((0x56051b6b4f40), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_1751740, v('(', ')', end_of_file), i)
   Call: (251) [system] ')'==i
   Call: (251) [system] get_char((0x56051b6b4f40), i)
   Exit: (251) [system] get_char((0x56051b6b4f40), i)
   Call: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1756310)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1757244)
   Exit: (252) [system] peek_char((0x56051b6b4f40), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_1761036, v('(', ')', end_of_file), o)
   Call: (252) [system] ')'==o
   Call: (252) [system] get_char((0x56051b6b4f40), o)
   Exit: (252) [system] get_char((0x56051b6b4f40), o)
   Call: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1765606)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1766540)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1770332, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1774902)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1775836)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1774902=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (253) [system] _1765606=[n]
   Exit: (253) [system] [n]=[n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (252) [system] _1756310=[o, n]
   Exit: (252) [system] [o, n]=[o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (251) [system] _1747014=[i, o, n]
   Exit: (251) [system] [i, o, n]=[i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (250) [system] _1737718=[t, i, o, n]
   Exit: (250) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (249) [system] _1728422=[c, t, i, o, n]
   Exit: (249) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (248) [system] _1719126=[u, c, t, i, o, n]
   Exit: (248) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (247) [system] _1709830=[d, u, c, t, i, o, n]
   Exit: (247) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (246) [system] _1700534=[o, d, u, c, t, i, o, n]
   Exit: (246) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (245) [system] _1691238=[r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1681942=[t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1672646=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1663350=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1654054=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1644758=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1635462=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1626166=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1616870=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1607574=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1598278=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1588982=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1579686=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1570390=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1549846)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1846614, _1846616), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1549846), _1846590, fail)), '$restore_trace'(_1846614, _1846616))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1846614, _1846616))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1549846), _1846590, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1549846)
   Call: (232) [system] atom_chars(_1549846, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (232) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1855066)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1856924)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1863734)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1866438)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1875830)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1879544)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1881402)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1889870)
   Exit: (231) [system] get_char((0x56051b6b4f40), a)
   Call: (231) [system] a='('
   Call: (231) [system] a='['
   Call: (231) [system] a='{'
   Call: (231) [system] a='"'
   Call: (231) [system] a=!
   Call: (231) [system] a='\''
   Call: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), a, _1879544)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1900088)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1901022)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1900088=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq(a, [], _1879544)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1910332, _1910334), once(user:catch(read_from_chars([a], _1879544), _1910308, fail)), '$restore_trace'(_1910332, _1910334))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1910332, _1910334))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1910308, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(a)
   Exit: (233) [system] atomic(a)
^  Exit: (232) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1917832)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1919690)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1926500)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1929204)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
   Call: (233) [system] a=(;)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1938596)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=')'
   Call: (231) [system] a=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1942310)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1944168)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
   Call: (233) [system] a=(;)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1952636)
   Exit: (232) [system] get_char((0x56051b6b4f40), a)
   Call: (232) [system] a='('
   Call: (232) [system] a='['
   Call: (232) [system] a='{'
   Call: (232) [system] a='"'
   Call: (232) [system] a=!
   Call: (232) [system] a='\''
   Call: (232) [system] a='`'
   Call: (232) [system] a=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), a, _1942310)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1962854)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1963788)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1967580, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1962854=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq(a, [], _1942310)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1974042, _1974044), once(user:catch(read_from_chars([a], _1942310), _1974018, fail)), '$restore_trace'(_1974042, _1974044))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1974042, _1974044))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1974018, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(a)
   Exit: (234) [system] atomic(a)
^  Exit: (233) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1981542)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1983400)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1991868)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _1995658)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _1981542=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _1917832=[a]
   Exit: (231) [system] [a]=[a]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (230) [system] _1855066=[a, a]
   Exit: (230) [system] [a, a]=[a, a]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (229) [system] _1521768=['DisjunctionIntroduction', a, a]
   Exit: (229) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _2009540)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _2011398)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _2018208)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _2020912)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _2030304)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _2034018)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _2035876)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _2044344)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _2034018)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _2049914)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (231) [system] 'O'=(;)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _2058382)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (230) [system] 'O'=')'
   Call: (230) [system] 'O'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _2062096)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _2063954)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (232) [system] 'O'=(;)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _2072422)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'O')
   Call: (231) [system] 'O'='('
   Call: (231) [system] 'O'='['
   Call: (231) [system] 'O'='{'
   Call: (231) [system] 'O'='"'
   Call: (231) [system] 'O'=!
   Call: (231) [system] 'O'='\''
   Call: (231) [system] 'O'='`'
   Call: (231) [system] 'O'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _2062096)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2082640)
   Call: (233) [system] peek_char((0x56051b6b4f40), _2083574)
   Exit: (233) [system] peek_char((0x56051b6b4f40), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_2087366, v('(', ')', end_of_file), r)
   Call: (233) [system] ')'==r
   Call: (233) [system] get_char((0x56051b6b4f40), r)
   Exit: (233) [system] get_char((0x56051b6b4f40), r)
   Call: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2091936)
   Call: (234) [system] peek_char((0x56051b6b4f40), _2092870)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_6752, v('(', ')', end_of_file), 'L')
   Call: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (234) [system] get_char((0x56051b6b4f40), 'L')
   Call: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _11120)
   Call: (235) [system] peek_char((0x56051b6b4f40), _12054)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_15846, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _20416)
   Call: (236) [system] peek_char((0x56051b6b4f40), _21350)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_25142, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _29712)
   Call: (237) [system] peek_char((0x56051b6b4f40), _30646)
   Exit: (237) [system] peek_char((0x56051b6b4f40), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_34438, v('(', ')', end_of_file), k)
   Call: (237) [system] ')'==k
   Call: (237) [system] get_char((0x56051b6b4f40), k)
   Exit: (237) [system] get_char((0x56051b6b4f40), k)
   Call: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _39008)
   Call: (238) [system] peek_char((0x56051b6b4f40), _39942)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _39008=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _29712=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (236) [system] _20416=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (235) [system] _11120=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (234) [system] _6682=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (233) [system] _6678=[r, 'L', i, n, k]
   Exit: (233) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _6674)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_63222, _63224), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _6674), _63198, fail)), '$restore_trace'(_63222, _63224))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_63222, _63224))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _6674), _63198, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_6674)
   Call: (233) [system] atom_chars(_6674, ['O', r, 'L', i, n, k])
   Exit: (233) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _71674)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _73532)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _80342)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _83046)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'=(;)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _92438)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'=')'
   Call: (231) [system] 'B'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _96152)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _98010)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'=(;)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _106478)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'='('
   Call: (232) [system] 'B'='['
   Call: (232) [system] 'B'='{'
   Call: (232) [system] 'B'='"'
   Call: (232) [system] 'B'=!
   Call: (232) [system] 'B'='\''
   Call: (232) [system] 'B'='`'
   Call: (232) [system] 'B'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _96152)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _116696)
   Call: (234) [system] peek_char((0x56051b6b4f40), _117630)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _116696=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('B', [], _96152)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_126940, _126942), once(user:catch(read_from_chars(['B'], _96152), _126916, fail)), '$restore_trace'(_126940, _126942))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_126940, _126942))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _96152), _126916, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_96152)
   Call: (234) [system] atom_chars(_96152, ['B'])
   Exit: (234) [system] atom_chars('B', ['B'])
^  Exit: (233) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _135392)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _137250)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _144060)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _146764)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _156156)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _159870)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _161728)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _170196)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _159870)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _180414)
   Call: (235) [system] peek_char((0x56051b6b4f40), _181348)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_185140, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _180414=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq('B', [], _159870)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_191602, _191604), once(user:catch(read_from_chars(['B'], _159870), _191578, fail)), '$restore_trace'(_191602, _191604))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_191602, _191604))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _159870), _191578, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_159870)
   Call: (235) [system] atom_chars(_159870, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _200054)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _201912)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _210380)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _214170)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _200054=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _135392=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (231) [system] _71674=['B', 'B']
   Exit: (231) [system] ['B', 'B']=['B', 'B']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['B', 'B'])
   Call: (230) [system] _6668=['OrLink', 'B', 'B']
   Exit: (230) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', 'B'])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _228052)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _229910)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _238378)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _242168)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _228052=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _6664=[['OrLink', 'B', 'B']]
   Exit: (228) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', 'B']])
   Call: (227) [system] _6640=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (227) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
   Call: (226) [system] _6632=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (226) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _256050)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _257908)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _266376)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _270166)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _256050=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _6628=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (224) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (223) [system] _6568=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (223) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (222) [system] _6472=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (222) [system] [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (221) [system] _6376=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (221) [system] [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (220) [system] _6316=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (220) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (219) [system] _6256=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (219) [system] [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (218) [system] _6160=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (218) [system] [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (217) [system] _6064=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (217) [system] [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (216) [system] _5968=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (216) [system] [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (215) [system] _5872=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (215) [system] [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (214) [system] _5740=[[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (214) [system] [[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (213) [system] _5608=[[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (213) [system] [[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (212) [system] _5512=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (212) [system] [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (211) [system] _5416=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (211) [system] [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (210) [system] _5284=[[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (210) [system] [[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (209) [system] _5152=[[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (209) [system] [[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (208) [system] _5092=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (208) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (207) [system] _5032=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (207) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (206) [system] _4936=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (206) [system] [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (205) [system] _4840=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (205) [system] [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (204) [system] _4780=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (204) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (203) [system] _4720=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (203) [system] [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (202) [system] _4624=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (202) [system] [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (201) [system] _4528=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (201) [system] [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (200) [system] _4432=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (200) [system] [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (199) [system] _4336=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (199) [system] [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (198) [system] _4204=[[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (198) [system] [[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (197) [system] _4072=[[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (197) [system] [[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (196) [system] _3976=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (196) [system] [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (195) [system] _3880=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (195) [system] [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (194) [system] _3748=[[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (194) [system] [[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (193) [system] _3616=[[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (193) [system] [[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [[:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (192) [system] _3592=[[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (192) [system] [[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (191) [system] _3568=[[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (191) [system] [[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (190) [system] _3508=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (190) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
   Call: (189) [system] _3446=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
   Exit: (189) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]])
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _376250)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _378108)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=(;)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _386576)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x56051b6b4f40), _390366)
   Exit: (188) [system] get_char((0x56051b6b4f40), ')')
   Call: (188) [system] _376250=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (187) [system] _3442=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (187) [system] [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (186) [system] _3368=[[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (186) [system] [[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
   Exit: (185) [system] [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (182) [user] read_sexpr((0x56051b6b4f40), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
   Exit: (182) [system] exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x56051b6b4f40), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]))
^  Exit: (180) [user] read_sexpr((0x56051b6b4f40), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]))
^  Call: (180) [user] assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))
^  Exit: (180) [user] assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))
^  Exit: (178) [system] once(user:(read_position((0x56051b6b4f40), 118, 0, 4833, '$stream_position'(4833, 118, 0, 4833)), read_sexpr((0x56051b6b4f40), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]])), assertz(metta_file_comment(118, 0, 4833, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, ['S', 'Z']], [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']], [:, a, 'A'], [:, a, 'B'], [:, ['ConjunctionIntroduction', abc, abc], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', abc, cde], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['ConjunctionIntroduction', abc, a], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['ConjunctionIntroduction', cde, abc], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', cde, cde], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['ConjunctionIntroduction', cde, a], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'A', 'B']], [:, ['ConjunctionIntroduction', a, abc], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['ConjunctionIntroduction', a, cde], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'A']], [:, ['ConjunctionIntroduction', a, a], ['AndLink', 'B', 'B']], [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']], [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']], [:, ['DisjunctionIntroduction', cde, abc], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', cde, cde], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']], [:, ['DisjunctionIntroduction', cde, a], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'A', 'B']], [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]], [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']], [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]]]), '$stream_position'(4833, 118, 0, 4833)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_412604, _412606, _412608, _412610, _412612))
^  Exit: (178) [user] retract(metta_file_comment(74, 0, 2755, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], '$stream_position'(2755, 74, 0, 2755)))
^  Call: (178) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _3084)
^  Call: (179) [user] once(call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _416168))
^  Call: (180) [user] call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _416168)
^  Call: (181) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _416168)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _418984))
^  Call: (183) [user] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _418984))
^  Call: (184) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _418984)
^  Call: (185) [user] once(call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _421784))
^  Call: (186) [user] call(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _421784)
^  Call: (187) [user] mfix_vars1([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _421784)
   Call: (188) [system] var([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [system] atom([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==true
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==false
   Call: (188) [system] (=)=='['
   Call: (188) [system] (=)=='{'
   Call: (188) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (188) [system] is_list([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (188) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _432006)
   Call: (189) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], _432006)
   Call: (190) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _432006)
   Exit: (190) [lists] lists:last_([], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (189) [lists] lists:last_([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (188) [lists] lists:last([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (188) [system] ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]=='}'
   Call: (188) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==[_438522, _438528]
   Call: (188) [system] fail
   Call: (188) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (188) [system] is_list([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (188) [user] apply:maplist(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _421784)
   Call: (189) [apply] apply:maplist_([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _421784, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(=, _444102)
   Call: (191) [system] var(=)
   Call: (191) [system] atom(=)
   Exit: (191) [system] atom(=)
^  Call: (191) [user] symbol_concat($, _447810, =)
   Call: (192) [system] atom_concat($, _447810, =)
   Fail: (192) [system] atom_concat($, _447810, =)
^  Fail: (191) [user] symbol_concat($, _447810, =)
   Call: (191) [system] (=)==true
   Call: (191) [system] (=)==false
   Call: (191) [system] (=)==[_453398, _453404]
   Call: (191) [system] is_list(=)
   Call: (191) [system] string(=)
   Call: (191) [system] compound(=)
^  Call: (191) [user] symbol(=)
   Call: (192) [system] atom(=)
   Exit: (192) [system] atom(=)
^  Exit: (191) [user] symbol(=)
^  Exit: (190) [user] mfix_vars1(=, =)
   Call: (190) [apply] apply:maplist_([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _444104, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1([synthesize, _query, _kb, _rb, ['S', _k]], _462666)
   Call: (192) [system] var([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (192) [system] atom([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==true
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==false
   Call: (192) [system] synthesize=='['
   Call: (192) [system] synthesize=='{'
   Call: (192) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Exit: (192) [system] is_list([_query, _kb, _rb, ['S', _k]])
   Call: (192) [lists] lists:last([_query, _kb, _rb, ['S', _k]], _471010)
   Call: (193) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, _471010)
   Call: (194) [lists] lists:last_([_rb, ['S', _k]], _kb, _471010)
   Call: (195) [lists] lists:last_([['S', _k]], _rb, _471010)
   Call: (196) [lists] lists:last_([], ['S', _k], _471010)
   Exit: (196) [lists] lists:last_([], ['S', _k], ['S', _k])
   Exit: (195) [lists] lists:last_([['S', _k]], _rb, ['S', _k])
   Exit: (194) [lists] lists:last_([_rb, ['S', _k]], _kb, ['S', _k])
   Exit: (193) [lists] lists:last_([_kb, _rb, ['S', _k]], _query, ['S', _k])
   Exit: (192) [lists] lists:last([_query, _kb, _rb, ['S', _k]], ['S', _k])
   Call: (192) [system] ['S', _k]=='}'
   Call: (192) [system] [synthesize, _query, _kb, _rb, ['S', _k]]==[_481254, _481260]
   Call: (192) [system] fail
   Call: (192) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (192) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (192) [user] apply:maplist(mfix_vars1, [synthesize, _query, _kb, _rb, ['S', _k]], _462666)
   Call: (193) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _462666, user:mfix_vars1)
^  Call: (194) [user] mfix_vars1(synthesize, _486834)
   Call: (195) [system] var(synthesize)
   Call: (195) [system] atom(synthesize)
   Exit: (195) [system] atom(synthesize)
^  Call: (195) [user] symbol_concat($, _490542, synthesize)
   Call: (196) [system] atom_concat($, _490542, synthesize)
   Fail: (196) [system] atom_concat($, _490542, synthesize)
^  Fail: (195) [user] symbol_concat($, _490542, synthesize)
   Call: (195) [system] synthesize==true
   Call: (195) [system] synthesize==false
   Call: (195) [system] synthesize==[_496130, _496136]
   Call: (195) [system] is_list(synthesize)
   Call: (195) [system] string(synthesize)
   Call: (195) [system] compound(synthesize)
^  Call: (195) [user] symbol(synthesize)
   Call: (196) [system] atom(synthesize)
   Exit: (196) [system] atom(synthesize)
^  Exit: (195) [user] symbol(synthesize)
^  Exit: (194) [user] mfix_vars1(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _486836, user:mfix_vars1)
^  Call: (195) [user] mfix_vars1(_query, _505398)
   Call: (196) [system] var(_query)
   Call: (196) [system] atom(_query)
   Call: (196) [system] _query==true
   Call: (196) [system] _query==false
   Call: (196) [system] _query==[_510040, _510046]
   Call: (196) [system] is_list(_query)
   Call: (196) [system] string(_query)
   Call: (196) [system] compound(_query)
   Exit: (196) [system] compound(_query)
   Call: (196) [system] compound_name_arguments(_query, _514674, _514676)
   Exit: (196) [system] compound_name_arguments(_query, '$VAR', ['_query'])
   Call: (196) [system] '$VAR'\=='$VAR'
^  Exit: (184) [user] trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _520268))
^  Call: (183) [user] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _520268))
^  Call: (184) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _520268)
^  Call: (185) [user] once(call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _523068))
^  Call: (186) [user] call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _523068)
^  Call: (187) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _523068)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (186) [system] call(user:cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] once(user:call(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (185) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (184) [user] trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _416168))
^  Call: (183) [user] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _416168))
^  Call: (184) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _416168)
^  Call: (185) [user] once(call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _537026))
^  Call: (186) [user] call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _537026)
^  Call: (187) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _537026)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (186) [system] call(user:cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (185) [system] once(user:call(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (185) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (184) [user] trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (183) [system] once(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (181) [user] untyped_to_metta([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (180) [system] call(user:untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (179) [system] once(user:call(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (179) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]\=@=[=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]
^  Exit: (178) [user] trly(untyped_to_metta, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (171) [user] read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))
   Call: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==end_of_file
   Fail: (169) [system] [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 116)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792638.6715405), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792638.6715405), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792646.5077834)
   Call: (173) [system] arg(1, t(1726792638.6715405), _3148)
   Exit: (173) [system] arg(1, t(1726792638.6715405), 1726792638.6715405)
   Call: (173) [system] _3158 is 1726792646.5077834-1726792638.6715405
   Exit: (173) [system] 7.836242914199829 is 1726792646.5077834-1726792638.6715405
   Call: (173) [system] 7.836242914199829>4
   Exit: (173) [system] 7.836242914199829>4
   Call: (173) [system] nb_setarg(1, t(1726792638.6715405), 1726792646.5077834)
   Exit: (173) [system] nb_setarg(1, t(1726792646.5077834), 1726792646.5077834)
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Call: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116])
; 
^  Call: (175) [user] write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (177) [system] setup_call_cleanup('$notrace'(_583958, _583960), once(user:with_indents(false, write_src([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))), '$restore_trace'(_583958, _583960))
^  Call: (178) [system] sig_atomic(system:'$notrace'(_583958, _583960))
(= (synthesize $query $kb $rb (S $k)) (let* (((: $ructor (-> $premise1 $premise2 $premise3 $premise4 $conclusion)) ($rb)) ((: ($ructor $proof1 $proof2 $proof3 $proof4) $conclusion) $query) ((: $proof1 $premise1) (synthesize (: $proof1 $premise1) $kb $rb $k)) ((: $proof2 $premise2) (synthesize (: $proof2 $premise2) $kb $rb $k)) ((: $proof3 $premise3) (synthesize (: $proof3 $premise3) $kb $rb $k)) ((: $proof4 $premise4) (synthesize (: $proof4 $premise4) $kb $rb $k))) $query))
^  Exit: (177) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:with_indents(false, write_src([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]))), system:'$restore_trace'(3, -1))
^  Exit: (175) [user] write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
 ; line: 116 
^  Exit: (173) [user] format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116])
   Call: (173) [system] write(user_error, '')

   Exit: (173) [system] write(user_error, '')
^  Call: (173) [user] move_cursor_to_first_column
   Call: (174) [system] write(user_error, '')

   Exit: (174) [system] write(user_error, '')
^  Exit: (173) [user] move_cursor_to_first_column
^  Exit: (171) [user] if_t((get_time(1726792646.5077834), arg(1, t(1726792646.5077834), 1726792638.6715405), 7.836242914199829 is 1726792646.5077834-1726792638.6715405, 7.836242914199829>4), (nb_setarg(1, t(1726792646.5077834), 1726792646.5077834), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 25)
   Call: (175) [system] atom(25+1)
   Call: (175) [system] set_flag(translated_forms, 26)
   Exit: (175) [system] set_flag(translated_forms, 26)
   Exit: (174) [$syspreds] update_flag(translated_forms, 25, 25+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 25, 25+1))
   Exit: (171) [$syspreds] flag(translated_forms, 25, 25+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 116)
^  Call: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, _608202, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _608204)
   Call: (173) [system] (=)==(:)
^  Call: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _608204)
   Call: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (174) [system] compound([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (174) [user] s2t(=, _612854)
   Call: (175) [system] compound(=)
   Call: (175) [system] (=)=_612854
   Exit: (175) [system] (=)=(=)
^  Exit: (174) [user] s2t(=, =)
^  Call: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _612856)
   Call: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (175) [system] compound([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], _620272)
   Call: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] compound([synthesize, _query, _kb, _rb, ['S', _k]])
   Call: (176) [system] synthesize==(->)
   Call: (176) [system] synthesize=='Cons'
   Call: (176) [system] synthesize==(=)
   Call: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
   Exit: (176) [system] is_list([synthesize, _query, _kb, _rb, ['S', _k]])
^  Call: (176) [user] apply:maplist(s2t, [synthesize, _query, _kb, _rb, ['S', _k]], _627684)
   Call: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], _627684, user:s2t)
^  Call: (178) [user] s2t(synthesize, _629564)
   Call: (179) [system] compound(synthesize)
   Call: (179) [system] synthesize=_629564
   Exit: (179) [system] synthesize=synthesize
^  Exit: (178) [user] s2t(synthesize, synthesize)
   Call: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], _629566, user:s2t)
^  Call: (179) [user] s2t(_query, _635138)
   Call: (180) [system] compound(_query)
   Exit: (180) [system] compound(_query)
   Call: (180) [system] is_list(_query)
^  Call: (180) [user] s2tl(_query, _635138)
   Call: (181) [system] compound(_query)
   Exit: (181) [system] compound(_query)
^  Exit: (180) [user] s2tl(_query, _query)
^  Exit: (179) [user] s2t(_query, _query)
   Call: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], _635140, user:s2t)
^  Call: (180) [user] s2t(_kb, _644408)
   Call: (181) [system] compound(_kb)
   Exit: (181) [system] compound(_kb)
   Call: (181) [system] is_list(_kb)
^  Call: (181) [user] s2tl(_kb, _644408)
   Call: (182) [system] compound(_kb)
   Exit: (182) [system] compound(_kb)
^  Exit: (181) [user] s2tl(_kb, _kb)
^  Exit: (180) [user] s2t(_kb, _kb)
   Call: (180) [apply] apply:maplist_([_rb, ['S', _k]], _644410, user:s2t)
^  Call: (181) [user] s2t(_rb, _653678)
   Call: (182) [system] compound(_rb)
   Exit: (182) [system] compound(_rb)
   Call: (182) [system] is_list(_rb)
^  Call: (182) [user] s2tl(_rb, _653678)
   Call: (183) [system] compound(_rb)
   Exit: (183) [system] compound(_rb)
^  Exit: (182) [user] s2tl(_rb, _rb)
^  Exit: (181) [user] s2t(_rb, _rb)
   Call: (181) [apply] apply:maplist_([['S', _k]], _653680, user:s2t)
^  Call: (182) [user] s2t(['S', _k], _662948)
   Call: (183) [system] compound(['S', _k])
   Exit: (183) [system] compound(['S', _k])
   Call: (183) [system] 'S'==(->)
   Call: (183) [system] 'S'=='Cons'
   Call: (183) [system] 'S'==(=)
   Call: (183) [system] is_list(['S', _k])
   Exit: (183) [system] is_list(['S', _k])
^  Call: (183) [user] apply:maplist(s2t, ['S', _k], _670360)
   Call: (184) [apply] apply:maplist_(['S', _k], _670360, user:s2t)
^  Call: (185) [user] s2t('S', _672240)
   Call: (186) [system] compound('S')
   Call: (186) [system] 'S'=_672240
   Exit: (186) [system] 'S'='S'
^  Exit: (185) [user] s2t('S', 'S')
   Call: (185) [apply] apply:maplist_([_k], _672242, user:s2t)
^  Call: (186) [user] s2t(_k, _677814)
   Call: (187) [system] compound(_k)
   Exit: (187) [system] compound(_k)
   Call: (187) [system] is_list(_k)
^  Call: (187) [user] s2tl(_k, _677814)
   Call: (188) [system] compound(_k)
   Exit: (188) [system] compound(_k)
^  Exit: (187) [user] s2tl(_k, _k)
^  Exit: (186) [user] s2t(_k, _k)
   Call: (186) [apply] apply:maplist_([], _677816, user:s2t)
   Exit: (186) [apply] apply:maplist_([], [], user:s2t)
   Exit: (185) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (184) [apply] apply:maplist_(['S', _k], ['S', _k], user:s2t)
^  Exit: (183) [apply] apply:maplist(user:s2t, ['S', _k], ['S', _k])
   Call: (183) [system] compound_name_arguments(_662948, t, ['S', _k])
   Exit: (183) [system] compound_name_arguments(t('S', _k), t, ['S', _k])
^  Exit: (182) [user] s2t(['S', _k], t('S', _k))
   Call: (182) [apply] apply:maplist_([], _662950, user:s2t)
   Exit: (182) [apply] apply:maplist_([], [], user:s2t)
   Exit: (181) [apply] apply:maplist_([['S', _k]], [t('S', _k)], user:s2t)
   Exit: (180) [apply] apply:maplist_([_rb, ['S', _k]], [_rb, t('S', _k)], user:s2t)
   Exit: (179) [apply] apply:maplist_([_kb, _rb, ['S', _k]], [_kb, _rb, t('S', _k)], user:s2t)
   Exit: (178) [apply] apply:maplist_([_query, _kb, _rb, ['S', _k]], [_query, _kb, _rb, t('S', _k)], user:s2t)
   Exit: (177) [apply] apply:maplist_([synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)], user:s2t)
^  Exit: (176) [apply] apply:maplist(user:s2t, [synthesize, _query, _kb, _rb, ['S', _k]], [synthesize, _query, _kb, _rb, t('S', _k)])
   Call: (176) [system] compound_name_arguments(_620272, t, [synthesize, _query, _kb, _rb, t('S', _k)])
   Exit: (176) [system] compound_name_arguments(t(synthesize, _query, _kb, _rb, t('S', _k)), t, [synthesize, _query, _kb, _rb, t('S', _k)])
^  Exit: (175) [user] s2t([synthesize, _query, _kb, _rb, ['S', _k]], t(synthesize, _query, _kb, _rb, t('S', _k)))
^  Call: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], _620274)
   Call: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
   Exit: (176) [system] compound([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]])
^  Call: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _706658)
   Call: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (177) [system] compound(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Call: (177) [system] 'let*'==(->)
   Call: (177) [system] 'let*'=='Cons'
   Call: (177) [system] 'let*'==(=)
   Call: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
   Exit: (177) [system] is_list(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query])
^  Call: (177) [user] apply:maplist(s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _714070)
   Call: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _714070, user:s2t)
^  Call: (179) [user] s2t('let*', _715950)
   Call: (180) [system] compound('let*')
   Call: (180) [system] 'let*'=_715950
   Exit: (180) [system] 'let*'='let*'
^  Exit: (179) [user] s2t('let*', 'let*')
   Call: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], _715952, user:s2t)
^  Call: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _721524)
   Call: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Exit: (181) [system] compound([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]==(->)
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]=='Cons'
   Call: (181) [system] [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]]==(=)
   Call: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
   Exit: (181) [system] is_list([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]])
^  Call: (181) [user] apply:maplist(s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _728936)
   Call: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _728936, user:s2t)
^  Call: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _730816)
   Call: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Exit: (184) [system] compound([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]==(->)
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]=='Cons'
   Call: (184) [system] [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]]==(=)
   Call: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
   Exit: (184) [system] is_list([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]])
^  Call: (184) [user] apply:maplist(s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _738228)
   Call: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], _738228, user:s2t)
^  Call: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _740108)
   Call: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Exit: (187) [system] compound([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Call: (187) [system] (:)==(->)
   Call: (187) [system] (:)=='Cons'
   Call: (187) [system] (:)==(=)
   Call: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
   Exit: (187) [system] is_list([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]])
^  Call: (187) [user] apply:maplist(s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _747520)
   Call: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _747520, user:s2t)
^  Call: (189) [user] s2t(:, _749400)
   Call: (190) [system] compound(:)
   Call: (190) [system] (:)=_749400
   Exit: (190) [system] (:)=(:)
^  Exit: (189) [user] s2t(:, :)
   Call: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _749402, user:s2t)
^  Call: (190) [user] s2t(_ructor, _754974)
   Call: (191) [system] compound(_ructor)
   Exit: (191) [system] compound(_ructor)
   Call: (191) [system] is_list(_ructor)
^  Call: (191) [user] s2tl(_ructor, _754974)
   Call: (192) [system] compound(_ructor)
   Exit: (192) [system] compound(_ructor)
^  Exit: (191) [user] s2tl(_ructor, _ructor)
^  Exit: (190) [user] s2t(_ructor, _ructor)
   Call: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _premise4, _conclusion]], _754976, user:s2t)
^  Call: (191) [user] s2t([->, _premise1, _premise2, _premise3, _premise4, _conclusion], _764244)
   Call: (192) [system] compound([->, _premise1, _premise2, _premise3, _premise4, _conclusion])
   Exit: (192) [system] compound([->, _premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (192) [system] (->)==(->)
   Exit: (192) [system] (->)==(->)
^  Call: (192) [user] s2tl([_premise1, _premise2, _premise3, _premise4, _conclusion], _768880)
   Call: (193) [system] compound([_premise1, _premise2, _premise3, _premise4, _conclusion])
   Exit: (193) [system] compound([_premise1, _premise2, _premise3, _premise4, _conclusion])
^  Call: (193) [user] s2t(_premise1, _771660)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _771660)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
^  Call: (193) [user] s2tl([_premise2, _premise3, _premise4, _conclusion], _771662)
   Call: (194) [system] compound([_premise2, _premise3, _premise4, _conclusion])
   Exit: (194) [system] compound([_premise2, _premise3, _premise4, _conclusion])
^  Call: (194) [user] s2t(_premise2, _782774)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _782774)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
^  Call: (194) [user] s2tl([_premise3, _premise4, _conclusion], _782776)
   Call: (195) [system] compound([_premise3, _premise4, _conclusion])
   Exit: (195) [system] compound([_premise3, _premise4, _conclusion])
^  Call: (195) [user] s2t(_premise3, _793888)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _793888)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
^  Call: (195) [user] s2tl([_premise4, _conclusion], _793890)
   Call: (196) [system] compound([_premise4, _conclusion])
   Exit: (196) [system] compound([_premise4, _conclusion])
^  Call: (196) [user] s2t(_premise4, _805002)
   Call: (197) [system] compound(_premise4)
   Exit: (197) [system] compound(_premise4)
   Call: (197) [system] is_list(_premise4)
^  Call: (197) [user] s2tl(_premise4, _805002)
   Call: (198) [system] compound(_premise4)
   Exit: (198) [system] compound(_premise4)
^  Exit: (197) [user] s2tl(_premise4, _premise4)
^  Exit: (196) [user] s2t(_premise4, _premise4)
^  Call: (196) [user] s2tl([_conclusion], _805004)
   Call: (197) [system] compound([_conclusion])
   Exit: (197) [system] compound([_conclusion])
^  Call: (197) [user] s2t(_conclusion, _816116)
   Call: (198) [system] compound(_conclusion)
   Exit: (198) [system] compound(_conclusion)
   Call: (198) [system] is_list(_conclusion)
^  Call: (198) [user] s2tl(_conclusion, _816116)
   Call: (199) [system] compound(_conclusion)
   Exit: (199) [system] compound(_conclusion)
^  Exit: (198) [user] s2tl(_conclusion, _conclusion)
^  Exit: (197) [user] s2t(_conclusion, _conclusion)
^  Call: (197) [user] s2tl([], _816118)
   Call: (198) [system] compound([])
   Call: (198) [system] []=_816118
   Exit: (198) [system] []=[]
^  Exit: (197) [user] s2tl([], [])
^  Exit: (196) [user] s2tl([_conclusion], [_conclusion])
^  Exit: (195) [user] s2tl([_premise4, _conclusion], [_premise4, _conclusion])
^  Exit: (194) [user] s2tl([_premise3, _premise4, _conclusion], [_premise3, _premise4, _conclusion])
^  Exit: (193) [user] s2tl([_premise2, _premise3, _premise4, _conclusion], [_premise2, _premise3, _premise4, _conclusion])
^  Exit: (192) [user] s2tl([_premise1, _premise2, _premise3, _premise4, _conclusion], [_premise1, _premise2, _premise3, _premise4, _conclusion])
   Call: (192) [system] _764244=..[->, [_premise1, _premise2, _premise3, _premise4, _conclusion]]
   Exit: (192) [system] ->([_premise1, _premise2, _premise3, _premise4, _conclusion])=..[->, [_premise1, _premise2, _premise3, _premise4, _conclusion]]
^  Exit: (191) [user] s2t([->, _premise1, _premise2, _premise3, _premise4, _conclusion], ->([_premise1, _premise2, _premise3, _premise4, _conclusion]))
   Call: (191) [apply] apply:maplist_([], _764246, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
   Exit: (189) [apply] apply:maplist_([_ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
   Exit: (188) [apply] apply:maplist_([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
   Call: (187) [system] compound_name_arguments(_740108, t, [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
   Exit: (187) [system] compound_name_arguments(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t, [:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])])
^  Exit: (186) [user] s2t([:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])))
   Call: (186) [apply] apply:maplist_([[_rb]], _740110, user:s2t)
^  Call: (187) [user] s2t([_rb], _845860)
   Call: (188) [system] compound([_rb])
   Exit: (188) [system] compound([_rb])
   Call: (188) [system] _rb==(->)
   Call: (188) [system] _rb=='Cons'
   Call: (188) [system] _rb==(=)
   Call: (188) [system] is_list([_rb])
   Exit: (188) [system] is_list([_rb])
^  Call: (188) [user] apply:maplist(s2t, [_rb], _853272)
   Call: (189) [apply] apply:maplist_([_rb], _853272, user:s2t)
^  Call: (190) [user] s2t(_rb, _855152)
   Call: (191) [system] compound(_rb)
   Exit: (191) [system] compound(_rb)
   Call: (191) [system] is_list(_rb)
^  Call: (191) [user] s2tl(_rb, _855152)
   Call: (192) [system] compound(_rb)
   Exit: (192) [system] compound(_rb)
^  Exit: (191) [user] s2tl(_rb, _rb)
^  Exit: (190) [user] s2t(_rb, _rb)
   Call: (190) [apply] apply:maplist_([], _855154, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([_rb], [_rb], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [_rb], [_rb])
   Call: (188) [system] compound_name_arguments(_845860, t, [_rb])
   Exit: (188) [system] compound_name_arguments(t(_rb), t, [_rb])
^  Exit: (187) [user] s2t([_rb], t(_rb))
   Call: (187) [apply] apply:maplist_([], _845862, user:s2t)
   Exit: (187) [apply] apply:maplist_([], [], user:s2t)
   Exit: (186) [apply] apply:maplist_([[_rb]], [t(_rb)], user:s2t)
   Exit: (185) [apply] apply:maplist_([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)], user:s2t)
^  Exit: (184) [apply] apply:maplist(user:s2t, [[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
   Call: (184) [system] compound_name_arguments(_730816, t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
   Exit: (184) [system] compound_name_arguments(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t, [t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)])
^  Exit: (183) [user] s2t([[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)))
   Call: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _730818, user:s2t)
^  Call: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _878416)
   Call: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Exit: (185) [system] compound([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]==(->)
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]=='Cons'
   Call: (185) [system] [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion]==(=)
   Call: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
   Exit: (185) [system] is_list([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query])
^  Call: (185) [user] apply:maplist(s2t, [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _885828)
   Call: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], _885828, user:s2t)
^  Call: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _887708)
   Call: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Exit: (188) [system] compound([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Call: (188) [system] (:)==(->)
   Call: (188) [system] (:)=='Cons'
   Call: (188) [system] (:)==(=)
   Call: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
   Exit: (188) [system] is_list([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion])
^  Call: (188) [user] apply:maplist(s2t, [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _895120)
   Call: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _895120, user:s2t)
^  Call: (190) [user] s2t(:, _897000)
   Call: (191) [system] compound(:)
   Call: (191) [system] (:)=_897000
   Exit: (191) [system] (:)=(:)
^  Exit: (190) [user] s2t(:, :)
   Call: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _897002, user:s2t)
^  Call: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3, _proof4], _902574)
   Call: (192) [system] compound([_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] compound([_ructor, _proof1, _proof2, _proof3, _proof4])
   Call: (192) [system] _ructor==(->)
   Call: (192) [system] _ructor=='Cons'
   Call: (192) [system] _ructor==(=)
   Call: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] is_list([_ructor, _proof1, _proof2, _proof3, _proof4])
^  Call: (192) [user] apply:maplist(s2t, [_ructor, _proof1, _proof2, _proof3, _proof4], _909986)
   Call: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3, _proof4], _909986, user:s2t)
^  Call: (194) [user] s2t(_ructor, _911866)
   Call: (195) [system] compound(_ructor)
   Exit: (195) [system] compound(_ructor)
   Call: (195) [system] is_list(_ructor)
^  Call: (195) [user] s2tl(_ructor, _911866)
   Call: (196) [system] compound(_ructor)
   Exit: (196) [system] compound(_ructor)
^  Exit: (195) [user] s2tl(_ructor, _ructor)
^  Exit: (194) [user] s2t(_ructor, _ructor)
   Call: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3, _proof4], _911868, user:s2t)
^  Call: (195) [user] s2t(_proof1, _921136)
   Call: (196) [system] compound(_proof1)
   Exit: (196) [system] compound(_proof1)
   Call: (196) [system] is_list(_proof1)
^  Call: (196) [user] s2tl(_proof1, _921136)
   Call: (197) [system] compound(_proof1)
   Exit: (197) [system] compound(_proof1)
^  Exit: (196) [user] s2tl(_proof1, _proof1)
^  Exit: (195) [user] s2t(_proof1, _proof1)
   Call: (195) [apply] apply:maplist_([_proof2, _proof3, _proof4], _921138, user:s2t)
^  Call: (196) [user] s2t(_proof2, _930406)
   Call: (197) [system] compound(_proof2)
   Exit: (197) [system] compound(_proof2)
   Call: (197) [system] is_list(_proof2)
^  Call: (197) [user] s2tl(_proof2, _930406)
   Call: (198) [system] compound(_proof2)
   Exit: (198) [system] compound(_proof2)
^  Exit: (197) [user] s2tl(_proof2, _proof2)
^  Exit: (196) [user] s2t(_proof2, _proof2)
   Call: (196) [apply] apply:maplist_([_proof3, _proof4], _930408, user:s2t)
^  Call: (197) [user] s2t(_proof3, _939676)
   Call: (198) [system] compound(_proof3)
   Exit: (198) [system] compound(_proof3)
   Call: (198) [system] is_list(_proof3)
^  Call: (198) [user] s2tl(_proof3, _939676)
   Call: (199) [system] compound(_proof3)
   Exit: (199) [system] compound(_proof3)
^  Exit: (198) [user] s2tl(_proof3, _proof3)
^  Exit: (197) [user] s2t(_proof3, _proof3)
   Call: (197) [apply] apply:maplist_([_proof4], _939678, user:s2t)
^  Call: (198) [user] s2t(_proof4, _948946)
   Call: (199) [system] compound(_proof4)
   Exit: (199) [system] compound(_proof4)
   Call: (199) [system] is_list(_proof4)
^  Call: (199) [user] s2tl(_proof4, _948946)
   Call: (200) [system] compound(_proof4)
   Exit: (200) [system] compound(_proof4)
^  Exit: (199) [user] s2tl(_proof4, _proof4)
^  Exit: (198) [user] s2t(_proof4, _proof4)
   Call: (198) [apply] apply:maplist_([], _948948, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof4], [_proof4], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof3, _proof4], [_proof3, _proof4], user:s2t)
   Exit: (195) [apply] apply:maplist_([_proof2, _proof3, _proof4], [_proof2, _proof3, _proof4], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof1, _proof2, _proof3, _proof4], [_proof1, _proof2, _proof3, _proof4], user:s2t)
   Exit: (193) [apply] apply:maplist_([_ructor, _proof1, _proof2, _proof3, _proof4], [_ructor, _proof1, _proof2, _proof3, _proof4], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [_ructor, _proof1, _proof2, _proof3, _proof4], [_ructor, _proof1, _proof2, _proof3, _proof4])
   Call: (192) [system] compound_name_arguments(_902574, t, [_ructor, _proof1, _proof2, _proof3, _proof4])
   Exit: (192) [system] compound_name_arguments(t(_ructor, _proof1, _proof2, _proof3, _proof4), t, [_ructor, _proof1, _proof2, _proof3, _proof4])
^  Exit: (191) [user] s2t([_ructor, _proof1, _proof2, _proof3, _proof4], t(_ructor, _proof1, _proof2, _proof3, _proof4))
   Call: (191) [apply] apply:maplist_([_conclusion], _902576, user:s2t)
^  Call: (192) [user] s2t(_conclusion, _968482)
   Call: (193) [system] compound(_conclusion)
   Exit: (193) [system] compound(_conclusion)
   Call: (193) [system] is_list(_conclusion)
^  Call: (193) [user] s2tl(_conclusion, _968482)
   Call: (194) [system] compound(_conclusion)
   Exit: (194) [system] compound(_conclusion)
^  Exit: (193) [user] s2tl(_conclusion, _conclusion)
^  Exit: (192) [user] s2t(_conclusion, _conclusion)
   Call: (192) [apply] apply:maplist_([], _968484, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([_conclusion], [_conclusion], user:s2t)
   Exit: (190) [apply] apply:maplist_([[_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion], user:s2t)
   Exit: (189) [apply] apply:maplist_([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
   Call: (188) [system] compound_name_arguments(_887708, t, [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
   Exit: (188) [system] compound_name_arguments(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), t, [:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion])
^  Exit: (187) [user] s2t([:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion))
   Call: (187) [apply] apply:maplist_([_query], _887710, user:s2t)
^  Call: (188) [user] s2t(_query, _986150)
   Call: (189) [system] compound(_query)
   Exit: (189) [system] compound(_query)
   Call: (189) [system] is_list(_query)
^  Call: (189) [user] s2tl(_query, _986150)
   Call: (190) [system] compound(_query)
   Exit: (190) [system] compound(_query)
^  Exit: (189) [user] s2tl(_query, _query)
^  Exit: (188) [user] s2t(_query, _query)
   Call: (188) [apply] apply:maplist_([], _986152, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (186) [apply] apply:maplist_([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query], user:s2t)
^  Exit: (185) [apply] apply:maplist(user:s2t, [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
   Call: (185) [system] compound_name_arguments(_878416, t, [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
   Exit: (185) [system] compound_name_arguments(t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t, [t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query])
^  Exit: (184) [user] s2t([[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query))
   Call: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _878418, user:s2t)
^  Call: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1002884)
   Call: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] compound([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Call: (186) [system] [:, _proof1, _premise1]==(->)
   Call: (186) [system] [:, _proof1, _premise1]=='Cons'
   Call: (186) [system] [:, _proof1, _premise1]==(=)
   Call: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
   Exit: (186) [system] is_list([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]])
^  Call: (186) [user] apply:maplist(s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1010296)
   Call: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1010296, user:s2t)
^  Call: (188) [user] s2t([:, _proof1, _premise1], _1012176)
   Call: (189) [system] compound([:, _proof1, _premise1])
   Exit: (189) [system] compound([:, _proof1, _premise1])
   Call: (189) [system] (:)==(->)
   Call: (189) [system] (:)=='Cons'
   Call: (189) [system] (:)==(=)
   Call: (189) [system] is_list([:, _proof1, _premise1])
   Exit: (189) [system] is_list([:, _proof1, _premise1])
^  Call: (189) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1019588)
   Call: (190) [apply] apply:maplist_([:, _proof1, _premise1], _1019588, user:s2t)
^  Call: (191) [user] s2t(:, _1021468)
   Call: (192) [system] compound(:)
   Call: (192) [system] (:)=_1021468
   Exit: (192) [system] (:)=(:)
^  Exit: (191) [user] s2t(:, :)
   Call: (191) [apply] apply:maplist_([_proof1, _premise1], _1021470, user:s2t)
^  Call: (192) [user] s2t(_proof1, _1027042)
   Call: (193) [system] compound(_proof1)
   Exit: (193) [system] compound(_proof1)
   Call: (193) [system] is_list(_proof1)
^  Call: (193) [user] s2tl(_proof1, _1027042)
   Call: (194) [system] compound(_proof1)
   Exit: (194) [system] compound(_proof1)
^  Exit: (193) [user] s2tl(_proof1, _proof1)
^  Exit: (192) [user] s2t(_proof1, _proof1)
   Call: (192) [apply] apply:maplist_([_premise1], _1027044, user:s2t)
^  Call: (193) [user] s2t(_premise1, _1036312)
   Call: (194) [system] compound(_premise1)
   Exit: (194) [system] compound(_premise1)
   Call: (194) [system] is_list(_premise1)
^  Call: (194) [user] s2tl(_premise1, _1036312)
   Call: (195) [system] compound(_premise1)
   Exit: (195) [system] compound(_premise1)
^  Exit: (194) [user] s2tl(_premise1, _premise1)
^  Exit: (193) [user] s2t(_premise1, _premise1)
   Call: (193) [apply] apply:maplist_([], _1036314, user:s2t)
   Exit: (193) [apply] apply:maplist_([], [], user:s2t)
   Exit: (192) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (191) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (190) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (189) [system] compound_name_arguments(_1012176, t, [:, _proof1, _premise1])
   Exit: (189) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (188) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], _1012178, user:s2t)
^  Call: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1053980)
   Call: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] compound([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Call: (190) [system] synthesize==(->)
   Call: (190) [system] synthesize=='Cons'
   Call: (190) [system] synthesize==(=)
   Call: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
   Exit: (190) [system] is_list([synthesize, [:, _proof1, _premise1], _kb, _rb, _k])
^  Call: (190) [user] apply:maplist(s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1061392)
   Call: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], _1061392, user:s2t)
^  Call: (192) [user] s2t(synthesize, _1063272)
   Call: (193) [system] compound(synthesize)
   Call: (193) [system] synthesize=_1063272
   Exit: (193) [system] synthesize=synthesize
^  Exit: (192) [user] s2t(synthesize, synthesize)
   Call: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], _1063274, user:s2t)
^  Call: (193) [user] s2t([:, _proof1, _premise1], _1068846)
   Call: (194) [system] compound([:, _proof1, _premise1])
   Exit: (194) [system] compound([:, _proof1, _premise1])
   Call: (194) [system] (:)==(->)
   Call: (194) [system] (:)=='Cons'
   Call: (194) [system] (:)==(=)
   Call: (194) [system] is_list([:, _proof1, _premise1])
   Exit: (194) [system] is_list([:, _proof1, _premise1])
^  Call: (194) [user] apply:maplist(s2t, [:, _proof1, _premise1], _1076258)
   Call: (195) [apply] apply:maplist_([:, _proof1, _premise1], _1076258, user:s2t)
^  Call: (196) [user] s2t(:, _1078138)
   Call: (197) [system] compound(:)
   Call: (197) [system] (:)=_1078138
   Exit: (197) [system] (:)=(:)
^  Exit: (196) [user] s2t(:, :)
   Call: (196) [apply] apply:maplist_([_proof1, _premise1], _1078140, user:s2t)
^  Call: (197) [user] s2t(_proof1, _1083712)
   Call: (198) [system] compound(_proof1)
   Exit: (198) [system] compound(_proof1)
   Call: (198) [system] is_list(_proof1)
^  Call: (198) [user] s2tl(_proof1, _1083712)
   Call: (199) [system] compound(_proof1)
   Exit: (199) [system] compound(_proof1)
^  Exit: (198) [user] s2tl(_proof1, _proof1)
^  Exit: (197) [user] s2t(_proof1, _proof1)
   Call: (197) [apply] apply:maplist_([_premise1], _1083714, user:s2t)
^  Call: (198) [user] s2t(_premise1, _1092982)
   Call: (199) [system] compound(_premise1)
   Exit: (199) [system] compound(_premise1)
   Call: (199) [system] is_list(_premise1)
^  Call: (199) [user] s2tl(_premise1, _1092982)
   Call: (200) [system] compound(_premise1)
   Exit: (200) [system] compound(_premise1)
^  Exit: (199) [user] s2tl(_premise1, _premise1)
^  Exit: (198) [user] s2t(_premise1, _premise1)
   Call: (198) [apply] apply:maplist_([], _1092984, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_premise1], [_premise1], user:s2t)
   Exit: (196) [apply] apply:maplist_([_proof1, _premise1], [_proof1, _premise1], user:s2t)
   Exit: (195) [apply] apply:maplist_([:, _proof1, _premise1], [:, _proof1, _premise1], user:s2t)
^  Exit: (194) [apply] apply:maplist(user:s2t, [:, _proof1, _premise1], [:, _proof1, _premise1])
   Call: (194) [system] compound_name_arguments(_1068846, t, [:, _proof1, _premise1])
   Exit: (194) [system] compound_name_arguments(t(:, _proof1, _premise1), t, [:, _proof1, _premise1])
^  Exit: (193) [user] s2t([:, _proof1, _premise1], t(:, _proof1, _premise1))
   Call: (193) [apply] apply:maplist_([_kb, _rb, _k], _1068848, user:s2t)
^  Call: (194) [user] s2t(_kb, _1110650)
   Call: (195) [system] compound(_kb)
   Exit: (195) [system] compound(_kb)
   Call: (195) [system] is_list(_kb)
^  Call: (195) [user] s2tl(_kb, _1110650)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
^  Exit: (195) [user] s2tl(_kb, _kb)
^  Exit: (194) [user] s2t(_kb, _kb)
   Call: (194) [apply] apply:maplist_([_rb, _k], _1110652, user:s2t)
^  Call: (195) [user] s2t(_rb, _1119920)
   Call: (196) [system] compound(_rb)
   Exit: (196) [system] compound(_rb)
   Call: (196) [system] is_list(_rb)
^  Call: (196) [user] s2tl(_rb, _1119920)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
^  Exit: (196) [user] s2tl(_rb, _rb)
^  Exit: (195) [user] s2t(_rb, _rb)
   Call: (195) [apply] apply:maplist_([_k], _1119922, user:s2t)
^  Call: (196) [user] s2t(_k, _1129190)
   Call: (197) [system] compound(_k)
   Exit: (197) [system] compound(_k)
   Call: (197) [system] is_list(_k)
^  Call: (197) [user] s2tl(_k, _1129190)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
^  Exit: (197) [user] s2tl(_k, _k)
^  Exit: (196) [user] s2t(_k, _k)
   Call: (196) [apply] apply:maplist_([], _1129192, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([[:, _proof1, _premise1], _kb, _rb, _k], [t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
   Exit: (191) [apply] apply:maplist_([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof1, _premise1], _kb, _rb, _k], [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Call: (190) [system] compound_name_arguments(_1053980, t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
   Exit: (190) [system] compound_name_arguments(t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k), t, [synthesize, t(:, _proof1, _premise1), _kb, _rb, _k])
^  Exit: (189) [user] s2t([synthesize, [:, _proof1, _premise1], _kb, _rb, _k], t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k))
   Call: (189) [apply] apply:maplist_([], _1053982, user:s2t)
   Exit: (189) [apply] apply:maplist_([], [], user:s2t)
   Exit: (188) [apply] apply:maplist_([[synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
   Exit: (187) [apply] apply:maplist_([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)], user:s2t)
^  Exit: (186) [apply] apply:maplist(user:s2t, [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Call: (186) [system] compound_name_arguments(_1002884, t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
   Exit: (186) [system] compound_name_arguments(t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t, [t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)])
^  Exit: (185) [user] s2t([[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)))
   Call: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1002886, user:s2t)
^  Call: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1156190)
   Call: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] compound([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Call: (187) [system] [:, _proof2, _premise2]==(->)
   Call: (187) [system] [:, _proof2, _premise2]=='Cons'
   Call: (187) [system] [:, _proof2, _premise2]==(=)
   Call: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
   Exit: (187) [system] is_list([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]])
^  Call: (187) [user] apply:maplist(s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1163602)
   Call: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1163602, user:s2t)
^  Call: (189) [user] s2t([:, _proof2, _premise2], _1165482)
   Call: (190) [system] compound([:, _proof2, _premise2])
   Exit: (190) [system] compound([:, _proof2, _premise2])
   Call: (190) [system] (:)==(->)
   Call: (190) [system] (:)=='Cons'
   Call: (190) [system] (:)==(=)
   Call: (190) [system] is_list([:, _proof2, _premise2])
   Exit: (190) [system] is_list([:, _proof2, _premise2])
^  Call: (190) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1172894)
   Call: (191) [apply] apply:maplist_([:, _proof2, _premise2], _1172894, user:s2t)
^  Call: (192) [user] s2t(:, _1174774)
   Call: (193) [system] compound(:)
   Call: (193) [system] (:)=_1174774
   Exit: (193) [system] (:)=(:)
^  Exit: (192) [user] s2t(:, :)
   Call: (192) [apply] apply:maplist_([_proof2, _premise2], _1174776, user:s2t)
^  Call: (193) [user] s2t(_proof2, _1180348)
   Call: (194) [system] compound(_proof2)
   Exit: (194) [system] compound(_proof2)
   Call: (194) [system] is_list(_proof2)
^  Call: (194) [user] s2tl(_proof2, _1180348)
   Call: (195) [system] compound(_proof2)
   Exit: (195) [system] compound(_proof2)
^  Exit: (194) [user] s2tl(_proof2, _proof2)
^  Exit: (193) [user] s2t(_proof2, _proof2)
   Call: (193) [apply] apply:maplist_([_premise2], _1180350, user:s2t)
^  Call: (194) [user] s2t(_premise2, _1189618)
   Call: (195) [system] compound(_premise2)
   Exit: (195) [system] compound(_premise2)
   Call: (195) [system] is_list(_premise2)
^  Call: (195) [user] s2tl(_premise2, _1189618)
   Call: (196) [system] compound(_premise2)
   Exit: (196) [system] compound(_premise2)
^  Exit: (195) [user] s2tl(_premise2, _premise2)
^  Exit: (194) [user] s2t(_premise2, _premise2)
   Call: (194) [apply] apply:maplist_([], _1189620, user:s2t)
   Exit: (194) [apply] apply:maplist_([], [], user:s2t)
   Exit: (193) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (192) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (191) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (190) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (190) [system] compound_name_arguments(_1165482, t, [:, _proof2, _premise2])
   Exit: (190) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (189) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], _1165484, user:s2t)
^  Call: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1207286)
   Call: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] compound([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Call: (191) [system] synthesize==(->)
   Call: (191) [system] synthesize=='Cons'
   Call: (191) [system] synthesize==(=)
   Call: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
   Exit: (191) [system] is_list([synthesize, [:, _proof2, _premise2], _kb, _rb, _k])
^  Call: (191) [user] apply:maplist(s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1214698)
   Call: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], _1214698, user:s2t)
^  Call: (193) [user] s2t(synthesize, _1216578)
   Call: (194) [system] compound(synthesize)
   Call: (194) [system] synthesize=_1216578
   Exit: (194) [system] synthesize=synthesize
^  Exit: (193) [user] s2t(synthesize, synthesize)
   Call: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], _1216580, user:s2t)
^  Call: (194) [user] s2t([:, _proof2, _premise2], _1222152)
   Call: (195) [system] compound([:, _proof2, _premise2])
   Exit: (195) [system] compound([:, _proof2, _premise2])
   Call: (195) [system] (:)==(->)
   Call: (195) [system] (:)=='Cons'
   Call: (195) [system] (:)==(=)
   Call: (195) [system] is_list([:, _proof2, _premise2])
   Exit: (195) [system] is_list([:, _proof2, _premise2])
^  Call: (195) [user] apply:maplist(s2t, [:, _proof2, _premise2], _1229564)
   Call: (196) [apply] apply:maplist_([:, _proof2, _premise2], _1229564, user:s2t)
^  Call: (197) [user] s2t(:, _1231444)
   Call: (198) [system] compound(:)
   Call: (198) [system] (:)=_1231444
   Exit: (198) [system] (:)=(:)
^  Exit: (197) [user] s2t(:, :)
   Call: (197) [apply] apply:maplist_([_proof2, _premise2], _1231446, user:s2t)
^  Call: (198) [user] s2t(_proof2, _1237018)
   Call: (199) [system] compound(_proof2)
   Exit: (199) [system] compound(_proof2)
   Call: (199) [system] is_list(_proof2)
^  Call: (199) [user] s2tl(_proof2, _1237018)
   Call: (200) [system] compound(_proof2)
   Exit: (200) [system] compound(_proof2)
^  Exit: (199) [user] s2tl(_proof2, _proof2)
^  Exit: (198) [user] s2t(_proof2, _proof2)
   Call: (198) [apply] apply:maplist_([_premise2], _1237020, user:s2t)
^  Call: (199) [user] s2t(_premise2, _1246288)
   Call: (200) [system] compound(_premise2)
   Exit: (200) [system] compound(_premise2)
   Call: (200) [system] is_list(_premise2)
^  Call: (200) [user] s2tl(_premise2, _1246288)
   Call: (201) [system] compound(_premise2)
   Exit: (201) [system] compound(_premise2)
^  Exit: (200) [user] s2tl(_premise2, _premise2)
^  Exit: (199) [user] s2t(_premise2, _premise2)
   Call: (199) [apply] apply:maplist_([], _1246290, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_premise2], [_premise2], user:s2t)
   Exit: (197) [apply] apply:maplist_([_proof2, _premise2], [_proof2, _premise2], user:s2t)
   Exit: (196) [apply] apply:maplist_([:, _proof2, _premise2], [:, _proof2, _premise2], user:s2t)
^  Exit: (195) [apply] apply:maplist(user:s2t, [:, _proof2, _premise2], [:, _proof2, _premise2])
   Call: (195) [system] compound_name_arguments(_1222152, t, [:, _proof2, _premise2])
   Exit: (195) [system] compound_name_arguments(t(:, _proof2, _premise2), t, [:, _proof2, _premise2])
^  Exit: (194) [user] s2t([:, _proof2, _premise2], t(:, _proof2, _premise2))
   Call: (194) [apply] apply:maplist_([_kb, _rb, _k], _1222154, user:s2t)
^  Call: (195) [user] s2t(_kb, _1263956)
   Call: (196) [system] compound(_kb)
   Exit: (196) [system] compound(_kb)
   Call: (196) [system] is_list(_kb)
^  Call: (196) [user] s2tl(_kb, _1263956)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
^  Exit: (196) [user] s2tl(_kb, _kb)
^  Exit: (195) [user] s2t(_kb, _kb)
   Call: (195) [apply] apply:maplist_([_rb, _k], _1263958, user:s2t)
^  Call: (196) [user] s2t(_rb, _1273226)
   Call: (197) [system] compound(_rb)
   Exit: (197) [system] compound(_rb)
   Call: (197) [system] is_list(_rb)
^  Call: (197) [user] s2tl(_rb, _1273226)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
^  Exit: (197) [user] s2tl(_rb, _rb)
^  Exit: (196) [user] s2t(_rb, _rb)
   Call: (196) [apply] apply:maplist_([_k], _1273228, user:s2t)
^  Call: (197) [user] s2t(_k, _1282496)
   Call: (198) [system] compound(_k)
   Exit: (198) [system] compound(_k)
   Call: (198) [system] is_list(_k)
^  Call: (198) [user] s2tl(_k, _1282496)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
^  Exit: (198) [user] s2tl(_k, _k)
^  Exit: (197) [user] s2t(_k, _k)
   Call: (197) [apply] apply:maplist_([], _1282498, user:s2t)
   Exit: (197) [apply] apply:maplist_([], [], user:s2t)
   Exit: (196) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([[:, _proof2, _premise2], _kb, _rb, _k], [t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
   Exit: (192) [apply] apply:maplist_([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof2, _premise2], _kb, _rb, _k], [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Call: (191) [system] compound_name_arguments(_1207286, t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
   Exit: (191) [system] compound_name_arguments(t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k), t, [synthesize, t(:, _proof2, _premise2), _kb, _rb, _k])
^  Exit: (190) [user] s2t([synthesize, [:, _proof2, _premise2], _kb, _rb, _k], t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k))
   Call: (190) [apply] apply:maplist_([], _1207288, user:s2t)
   Exit: (190) [apply] apply:maplist_([], [], user:s2t)
   Exit: (189) [apply] apply:maplist_([[synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
   Exit: (188) [apply] apply:maplist_([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)], user:s2t)
^  Exit: (187) [apply] apply:maplist(user:s2t, [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Call: (187) [system] compound_name_arguments(_1156190, t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
   Exit: (187) [system] compound_name_arguments(t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t, [t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)])
^  Exit: (186) [user] s2t([[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)))
   Call: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1156192, user:s2t)
^  Call: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1309496)
   Call: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] compound([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Call: (188) [system] [:, _proof3, _premise3]==(->)
   Call: (188) [system] [:, _proof3, _premise3]=='Cons'
   Call: (188) [system] [:, _proof3, _premise3]==(=)
   Call: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
   Exit: (188) [system] is_list([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]])
^  Call: (188) [user] apply:maplist(s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1316908)
   Call: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1316908, user:s2t)
^  Call: (190) [user] s2t([:, _proof3, _premise3], _1318788)
   Call: (191) [system] compound([:, _proof3, _premise3])
   Exit: (191) [system] compound([:, _proof3, _premise3])
   Call: (191) [system] (:)==(->)
   Call: (191) [system] (:)=='Cons'
   Call: (191) [system] (:)==(=)
   Call: (191) [system] is_list([:, _proof3, _premise3])
   Exit: (191) [system] is_list([:, _proof3, _premise3])
^  Call: (191) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1326200)
   Call: (192) [apply] apply:maplist_([:, _proof3, _premise3], _1326200, user:s2t)
^  Call: (193) [user] s2t(:, _1328080)
   Call: (194) [system] compound(:)
   Call: (194) [system] (:)=_1328080
   Exit: (194) [system] (:)=(:)
^  Exit: (193) [user] s2t(:, :)
   Call: (193) [apply] apply:maplist_([_proof3, _premise3], _1328082, user:s2t)
^  Call: (194) [user] s2t(_proof3, _1333654)
   Call: (195) [system] compound(_proof3)
   Exit: (195) [system] compound(_proof3)
   Call: (195) [system] is_list(_proof3)
^  Call: (195) [user] s2tl(_proof3, _1333654)
   Call: (196) [system] compound(_proof3)
   Exit: (196) [system] compound(_proof3)
^  Exit: (195) [user] s2tl(_proof3, _proof3)
^  Exit: (194) [user] s2t(_proof3, _proof3)
   Call: (194) [apply] apply:maplist_([_premise3], _1333656, user:s2t)
^  Call: (195) [user] s2t(_premise3, _1342924)
   Call: (196) [system] compound(_premise3)
   Exit: (196) [system] compound(_premise3)
   Call: (196) [system] is_list(_premise3)
^  Call: (196) [user] s2tl(_premise3, _1342924)
   Call: (197) [system] compound(_premise3)
   Exit: (197) [system] compound(_premise3)
^  Exit: (196) [user] s2tl(_premise3, _premise3)
^  Exit: (195) [user] s2t(_premise3, _premise3)
   Call: (195) [apply] apply:maplist_([], _1342926, user:s2t)
   Exit: (195) [apply] apply:maplist_([], [], user:s2t)
   Exit: (194) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (193) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (192) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (191) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (191) [system] compound_name_arguments(_1318788, t, [:, _proof3, _premise3])
   Exit: (191) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (190) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], _1318790, user:s2t)
^  Call: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1360592)
   Call: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] compound([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Call: (192) [system] synthesize==(->)
   Call: (192) [system] synthesize=='Cons'
   Call: (192) [system] synthesize==(=)
   Call: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
   Exit: (192) [system] is_list([synthesize, [:, _proof3, _premise3], _kb, _rb, _k])
^  Call: (192) [user] apply:maplist(s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1368004)
   Call: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], _1368004, user:s2t)
^  Call: (194) [user] s2t(synthesize, _1369884)
   Call: (195) [system] compound(synthesize)
   Call: (195) [system] synthesize=_1369884
   Exit: (195) [system] synthesize=synthesize
^  Exit: (194) [user] s2t(synthesize, synthesize)
   Call: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], _1369886, user:s2t)
^  Call: (195) [user] s2t([:, _proof3, _premise3], _1375458)
   Call: (196) [system] compound([:, _proof3, _premise3])
   Exit: (196) [system] compound([:, _proof3, _premise3])
   Call: (196) [system] (:)==(->)
   Call: (196) [system] (:)=='Cons'
   Call: (196) [system] (:)==(=)
   Call: (196) [system] is_list([:, _proof3, _premise3])
   Exit: (196) [system] is_list([:, _proof3, _premise3])
^  Call: (196) [user] apply:maplist(s2t, [:, _proof3, _premise3], _1382870)
   Call: (197) [apply] apply:maplist_([:, _proof3, _premise3], _1382870, user:s2t)
^  Call: (198) [user] s2t(:, _1384750)
   Call: (199) [system] compound(:)
   Call: (199) [system] (:)=_1384750
   Exit: (199) [system] (:)=(:)
^  Exit: (198) [user] s2t(:, :)
   Call: (198) [apply] apply:maplist_([_proof3, _premise3], _1384752, user:s2t)
^  Call: (199) [user] s2t(_proof3, _1390324)
   Call: (200) [system] compound(_proof3)
   Exit: (200) [system] compound(_proof3)
   Call: (200) [system] is_list(_proof3)
^  Call: (200) [user] s2tl(_proof3, _1390324)
   Call: (201) [system] compound(_proof3)
   Exit: (201) [system] compound(_proof3)
^  Exit: (200) [user] s2tl(_proof3, _proof3)
^  Exit: (199) [user] s2t(_proof3, _proof3)
   Call: (199) [apply] apply:maplist_([_premise3], _1390326, user:s2t)
^  Call: (200) [user] s2t(_premise3, _1399594)
   Call: (201) [system] compound(_premise3)
   Exit: (201) [system] compound(_premise3)
   Call: (201) [system] is_list(_premise3)
^  Call: (201) [user] s2tl(_premise3, _1399594)
   Call: (202) [system] compound(_premise3)
   Exit: (202) [system] compound(_premise3)
^  Exit: (201) [user] s2tl(_premise3, _premise3)
^  Exit: (200) [user] s2t(_premise3, _premise3)
   Call: (200) [apply] apply:maplist_([], _1399596, user:s2t)
   Exit: (200) [apply] apply:maplist_([], [], user:s2t)
   Exit: (199) [apply] apply:maplist_([_premise3], [_premise3], user:s2t)
   Exit: (198) [apply] apply:maplist_([_proof3, _premise3], [_proof3, _premise3], user:s2t)
   Exit: (197) [apply] apply:maplist_([:, _proof3, _premise3], [:, _proof3, _premise3], user:s2t)
^  Exit: (196) [apply] apply:maplist(user:s2t, [:, _proof3, _premise3], [:, _proof3, _premise3])
   Call: (196) [system] compound_name_arguments(_1375458, t, [:, _proof3, _premise3])
   Exit: (196) [system] compound_name_arguments(t(:, _proof3, _premise3), t, [:, _proof3, _premise3])
^  Exit: (195) [user] s2t([:, _proof3, _premise3], t(:, _proof3, _premise3))
   Call: (195) [apply] apply:maplist_([_kb, _rb, _k], _1375460, user:s2t)
^  Call: (196) [user] s2t(_kb, _1417262)
   Call: (197) [system] compound(_kb)
   Exit: (197) [system] compound(_kb)
   Call: (197) [system] is_list(_kb)
^  Call: (197) [user] s2tl(_kb, _1417262)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
^  Exit: (197) [user] s2tl(_kb, _kb)
^  Exit: (196) [user] s2t(_kb, _kb)
   Call: (196) [apply] apply:maplist_([_rb, _k], _1417264, user:s2t)
^  Call: (197) [user] s2t(_rb, _1426532)
   Call: (198) [system] compound(_rb)
   Exit: (198) [system] compound(_rb)
   Call: (198) [system] is_list(_rb)
^  Call: (198) [user] s2tl(_rb, _1426532)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
^  Exit: (198) [user] s2tl(_rb, _rb)
^  Exit: (197) [user] s2t(_rb, _rb)
   Call: (197) [apply] apply:maplist_([_k], _1426534, user:s2t)
^  Call: (198) [user] s2t(_k, _1435802)
   Call: (199) [system] compound(_k)
   Exit: (199) [system] compound(_k)
   Call: (199) [system] is_list(_k)
^  Call: (199) [user] s2tl(_k, _1435802)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
^  Exit: (199) [user] s2tl(_k, _k)
^  Exit: (198) [user] s2t(_k, _k)
   Call: (198) [apply] apply:maplist_([], _1435804, user:s2t)
   Exit: (198) [apply] apply:maplist_([], [], user:s2t)
   Exit: (197) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([[:, _proof3, _premise3], _kb, _rb, _k], [t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
   Exit: (193) [apply] apply:maplist_([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof3, _premise3], _kb, _rb, _k], [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Call: (192) [system] compound_name_arguments(_1360592, t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
   Exit: (192) [system] compound_name_arguments(t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k), t, [synthesize, t(:, _proof3, _premise3), _kb, _rb, _k])
^  Exit: (191) [user] s2t([synthesize, [:, _proof3, _premise3], _kb, _rb, _k], t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k))
   Call: (191) [apply] apply:maplist_([], _1360594, user:s2t)
   Exit: (191) [apply] apply:maplist_([], [], user:s2t)
   Exit: (190) [apply] apply:maplist_([[synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
   Exit: (189) [apply] apply:maplist_([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)], user:s2t)
^  Exit: (188) [apply] apply:maplist(user:s2t, [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Call: (188) [system] compound_name_arguments(_1309496, t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
   Exit: (188) [system] compound_name_arguments(t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t, [t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)])
^  Exit: (187) [user] s2t([[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)))
   Call: (187) [apply] apply:maplist_([[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _1309498, user:s2t)
^  Call: (188) [user] s2t([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1462802)
   Call: (189) [system] compound([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Exit: (189) [system] compound([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Call: (189) [system] [:, _proof4, _premise4]==(->)
   Call: (189) [system] [:, _proof4, _premise4]=='Cons'
   Call: (189) [system] [:, _proof4, _premise4]==(=)
   Call: (189) [system] is_list([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
   Exit: (189) [system] is_list([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]])
^  Call: (189) [user] apply:maplist(s2t, [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1470214)
   Call: (190) [apply] apply:maplist_([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1470214, user:s2t)
^  Call: (191) [user] s2t([:, _proof4, _premise4], _1472094)
   Call: (192) [system] compound([:, _proof4, _premise4])
   Exit: (192) [system] compound([:, _proof4, _premise4])
   Call: (192) [system] (:)==(->)
   Call: (192) [system] (:)=='Cons'
   Call: (192) [system] (:)==(=)
   Call: (192) [system] is_list([:, _proof4, _premise4])
   Exit: (192) [system] is_list([:, _proof4, _premise4])
^  Call: (192) [user] apply:maplist(s2t, [:, _proof4, _premise4], _1479506)
   Call: (193) [apply] apply:maplist_([:, _proof4, _premise4], _1479506, user:s2t)
^  Call: (194) [user] s2t(:, _1481386)
   Call: (195) [system] compound(:)
   Call: (195) [system] (:)=_1481386
   Exit: (195) [system] (:)=(:)
^  Exit: (194) [user] s2t(:, :)
   Call: (194) [apply] apply:maplist_([_proof4, _premise4], _1481388, user:s2t)
^  Call: (195) [user] s2t(_proof4, _1486960)
   Call: (196) [system] compound(_proof4)
   Exit: (196) [system] compound(_proof4)
   Call: (196) [system] is_list(_proof4)
^  Call: (196) [user] s2tl(_proof4, _1486960)
   Call: (197) [system] compound(_proof4)
   Exit: (197) [system] compound(_proof4)
^  Exit: (196) [user] s2tl(_proof4, _proof4)
^  Exit: (195) [user] s2t(_proof4, _proof4)
   Call: (195) [apply] apply:maplist_([_premise4], _1486962, user:s2t)
^  Call: (196) [user] s2t(_premise4, _1496230)
   Call: (197) [system] compound(_premise4)
   Exit: (197) [system] compound(_premise4)
   Call: (197) [system] is_list(_premise4)
^  Call: (197) [user] s2tl(_premise4, _1496230)
   Call: (198) [system] compound(_premise4)
   Exit: (198) [system] compound(_premise4)
^  Exit: (197) [user] s2tl(_premise4, _premise4)
^  Exit: (196) [user] s2t(_premise4, _premise4)
   Call: (196) [apply] apply:maplist_([], _1496232, user:s2t)
   Exit: (196) [apply] apply:maplist_([], [], user:s2t)
   Exit: (195) [apply] apply:maplist_([_premise4], [_premise4], user:s2t)
   Exit: (194) [apply] apply:maplist_([_proof4, _premise4], [_proof4, _premise4], user:s2t)
   Exit: (193) [apply] apply:maplist_([:, _proof4, _premise4], [:, _proof4, _premise4], user:s2t)
^  Exit: (192) [apply] apply:maplist(user:s2t, [:, _proof4, _premise4], [:, _proof4, _premise4])
   Call: (192) [system] compound_name_arguments(_1472094, t, [:, _proof4, _premise4])
   Exit: (192) [system] compound_name_arguments(t(:, _proof4, _premise4), t, [:, _proof4, _premise4])
^  Exit: (191) [user] s2t([:, _proof4, _premise4], t(:, _proof4, _premise4))
   Call: (191) [apply] apply:maplist_([[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], _1472096, user:s2t)
^  Call: (192) [user] s2t([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1513898)
   Call: (193) [system] compound([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Exit: (193) [system] compound([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Call: (193) [system] synthesize==(->)
   Call: (193) [system] synthesize=='Cons'
   Call: (193) [system] synthesize==(=)
   Call: (193) [system] is_list([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
   Exit: (193) [system] is_list([synthesize, [:, _proof4, _premise4], _kb, _rb, _k])
^  Call: (193) [user] apply:maplist(s2t, [synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1521310)
   Call: (194) [apply] apply:maplist_([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], _1521310, user:s2t)
^  Call: (195) [user] s2t(synthesize, _1523190)
   Call: (196) [system] compound(synthesize)
   Call: (196) [system] synthesize=_1523190
   Exit: (196) [system] synthesize=synthesize
^  Exit: (195) [user] s2t(synthesize, synthesize)
   Call: (195) [apply] apply:maplist_([[:, _proof4, _premise4], _kb, _rb, _k], _1523192, user:s2t)
^  Call: (196) [user] s2t([:, _proof4, _premise4], _1528764)
   Call: (197) [system] compound([:, _proof4, _premise4])
   Exit: (197) [system] compound([:, _proof4, _premise4])
   Call: (197) [system] (:)==(->)
   Call: (197) [system] (:)=='Cons'
   Call: (197) [system] (:)==(=)
   Call: (197) [system] is_list([:, _proof4, _premise4])
   Exit: (197) [system] is_list([:, _proof4, _premise4])
^  Call: (197) [user] apply:maplist(s2t, [:, _proof4, _premise4], _1536176)
   Call: (198) [apply] apply:maplist_([:, _proof4, _premise4], _1536176, user:s2t)
^  Call: (199) [user] s2t(:, _1538056)
   Call: (200) [system] compound(:)
   Call: (200) [system] (:)=_1538056
   Exit: (200) [system] (:)=(:)
^  Exit: (199) [user] s2t(:, :)
   Call: (199) [apply] apply:maplist_([_proof4, _premise4], _1538058, user:s2t)
^  Call: (200) [user] s2t(_proof4, _1543630)
   Call: (201) [system] compound(_proof4)
   Exit: (201) [system] compound(_proof4)
   Call: (201) [system] is_list(_proof4)
^  Call: (201) [user] s2tl(_proof4, _1543630)
   Call: (202) [system] compound(_proof4)
   Exit: (202) [system] compound(_proof4)
^  Exit: (201) [user] s2tl(_proof4, _proof4)
^  Exit: (200) [user] s2t(_proof4, _proof4)
   Call: (200) [apply] apply:maplist_([_premise4], _1543632, user:s2t)
^  Call: (201) [user] s2t(_premise4, _1552900)
   Call: (202) [system] compound(_premise4)
   Exit: (202) [system] compound(_premise4)
   Call: (202) [system] is_list(_premise4)
^  Call: (202) [user] s2tl(_premise4, _1552900)
   Call: (203) [system] compound(_premise4)
   Exit: (203) [system] compound(_premise4)
^  Exit: (202) [user] s2tl(_premise4, _premise4)
^  Exit: (201) [user] s2t(_premise4, _premise4)
   Call: (201) [apply] apply:maplist_([], _1552902, user:s2t)
   Exit: (201) [apply] apply:maplist_([], [], user:s2t)
   Exit: (200) [apply] apply:maplist_([_premise4], [_premise4], user:s2t)
   Exit: (199) [apply] apply:maplist_([_proof4, _premise4], [_proof4, _premise4], user:s2t)
   Exit: (198) [apply] apply:maplist_([:, _proof4, _premise4], [:, _proof4, _premise4], user:s2t)
^  Exit: (197) [apply] apply:maplist(user:s2t, [:, _proof4, _premise4], [:, _proof4, _premise4])
   Call: (197) [system] compound_name_arguments(_1528764, t, [:, _proof4, _premise4])
   Exit: (197) [system] compound_name_arguments(t(:, _proof4, _premise4), t, [:, _proof4, _premise4])
^  Exit: (196) [user] s2t([:, _proof4, _premise4], t(:, _proof4, _premise4))
   Call: (196) [apply] apply:maplist_([_kb, _rb, _k], _1528766, user:s2t)
^  Call: (197) [user] s2t(_kb, _1570568)
   Call: (198) [system] compound(_kb)
   Exit: (198) [system] compound(_kb)
   Call: (198) [system] is_list(_kb)
^  Call: (198) [user] s2tl(_kb, _1570568)
   Call: (199) [system] compound(_kb)
   Exit: (199) [system] compound(_kb)
^  Exit: (198) [user] s2tl(_kb, _kb)
^  Exit: (197) [user] s2t(_kb, _kb)
   Call: (197) [apply] apply:maplist_([_rb, _k], _1570570, user:s2t)
^  Call: (198) [user] s2t(_rb, _1579838)
   Call: (199) [system] compound(_rb)
   Exit: (199) [system] compound(_rb)
   Call: (199) [system] is_list(_rb)
^  Call: (199) [user] s2tl(_rb, _1579838)
   Call: (200) [system] compound(_rb)
   Exit: (200) [system] compound(_rb)
^  Exit: (199) [user] s2tl(_rb, _rb)
^  Exit: (198) [user] s2t(_rb, _rb)
   Call: (198) [apply] apply:maplist_([_k], _1579840, user:s2t)
^  Call: (199) [user] s2t(_k, _1589108)
   Call: (200) [system] compound(_k)
   Exit: (200) [system] compound(_k)
   Call: (200) [system] is_list(_k)
^  Call: (200) [user] s2tl(_k, _1589108)
   Call: (201) [system] compound(_k)
   Exit: (201) [system] compound(_k)
^  Exit: (200) [user] s2tl(_k, _k)
^  Exit: (199) [user] s2t(_k, _k)
   Call: (199) [apply] apply:maplist_([], _1589110, user:s2t)
   Exit: (199) [apply] apply:maplist_([], [], user:s2t)
   Exit: (198) [apply] apply:maplist_([_k], [_k], user:s2t)
   Exit: (197) [apply] apply:maplist_([_rb, _k], [_rb, _k], user:s2t)
   Exit: (196) [apply] apply:maplist_([_kb, _rb, _k], [_kb, _rb, _k], user:s2t)
   Exit: (195) [apply] apply:maplist_([[:, _proof4, _premise4], _kb, _rb, _k], [t(:, _proof4, _premise4), _kb, _rb, _k], user:s2t)
   Exit: (194) [apply] apply:maplist_([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k], user:s2t)
^  Exit: (193) [apply] apply:maplist(user:s2t, [synthesize, [:, _proof4, _premise4], _kb, _rb, _k], [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
   Call: (193) [system] compound_name_arguments(_1513898, t, [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
   Exit: (193) [system] compound_name_arguments(t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k), t, [synthesize, t(:, _proof4, _premise4), _kb, _rb, _k])
^  Exit: (192) [user] s2t([synthesize, [:, _proof4, _premise4], _kb, _rb, _k], t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))
   Call: (192) [apply] apply:maplist_([], _1513900, user:s2t)
   Exit: (192) [apply] apply:maplist_([], [], user:s2t)
   Exit: (191) [apply] apply:maplist_([[synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)], user:s2t)
   Exit: (190) [apply] apply:maplist_([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)], user:s2t)
^  Exit: (189) [apply] apply:maplist(user:s2t, [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
   Call: (189) [system] compound_name_arguments(_1462802, t, [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
   Exit: (189) [system] compound_name_arguments(t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)), t, [t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)])
^  Exit: (188) [user] s2t([[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]], t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k)))
   Call: (188) [apply] apply:maplist_([], _1462804, user:s2t)
   Exit: (188) [apply] apply:maplist_([], [], user:s2t)
   Exit: (187) [apply] apply:maplist_([[[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (186) [apply] apply:maplist_([[[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (185) [apply] apply:maplist_([[[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (184) [apply] apply:maplist_([[[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (183) [apply] apply:maplist_([[[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
   Exit: (182) [apply] apply:maplist_([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))], user:s2t)
^  Exit: (181) [apply] apply:maplist(user:s2t, [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
   Call: (181) [system] compound_name_arguments(_721524, t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
   Exit: (181) [system] compound_name_arguments(t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), t, [t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))])
^  Exit: (180) [user] s2t([[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))))
   Call: (180) [apply] apply:maplist_([_query], _721526, user:s2t)
^  Call: (181) [user] s2t(_query, _1627308)
   Call: (182) [system] compound(_query)
   Exit: (182) [system] compound(_query)
   Call: (182) [system] is_list(_query)
^  Call: (182) [user] s2tl(_query, _1627308)
   Call: (183) [system] compound(_query)
   Exit: (183) [system] compound(_query)
^  Exit: (182) [user] s2tl(_query, _query)
^  Exit: (181) [user] s2t(_query, _query)
   Call: (181) [apply] apply:maplist_([], _1627310, user:s2t)
   Exit: (181) [apply] apply:maplist_([], [], user:s2t)
   Exit: (180) [apply] apply:maplist_([_query], [_query], user:s2t)
   Exit: (179) [apply] apply:maplist_([[[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], [t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query], user:s2t)
   Exit: (178) [apply] apply:maplist_(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query], user:s2t)
^  Exit: (177) [apply] apply:maplist(user:s2t, ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
   Call: (177) [system] compound_name_arguments(_706658, t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
   Exit: (177) [system] compound_name_arguments(t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query), t, ['let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query])
^  Exit: (176) [user] s2t(['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query], t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))
^  Call: (176) [user] s2tl([], _706660)
   Call: (177) [system] compound([])
   Call: (177) [system] []=_706660
   Exit: (177) [system] []=[]
^  Exit: (176) [user] s2tl([], [])
^  Exit: (175) [user] s2tl([['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (174) [user] s2tl([[synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (173) [user] s2tl([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Exit: (172) [user] s2t_iz(nthesize_long_1726792630_1772065, nthesize_long_1726792630_1772065, [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
^  Call: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)], _1652398)
   Call: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Exit: (173) [system] is_list([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Call: (173) [system] _1652398=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
   Exit: (173) [system] [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]=[=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
^  Exit: (172) [user] relistify([=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)], [=, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)])
   Call: (172) [system] _1657960=..[nthesize_long_1726792630_1772065, 116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
   Exit: (172) [system] nthesize_long_1726792630_1772065(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))=..[nthesize_long_1726792630_1772065, 116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query)]
^  Call: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))])
^  Exit: (172) [user] format((0x56051b673910), "~q.~n", [nthesize_long_1726792630_1772065(116, =, t(synthesize, _query, _kb, _rb, t('S', _k)), t('let*', t(t(t(:, _ructor, ->([_premise1, _premise2, _premise3, _premise4, _conclusion])), t(_rb)), t(t(:, t(_ructor, _proof1, _proof2, _proof3, _proof4), _conclusion), _query), t(t(:, _proof1, _premise1), t(synthesize, t(:, _proof1, _premise1), _kb, _rb, _k)), t(t(:, _proof2, _premise2), t(synthesize, t(:, _proof2, _premise2), _kb, _rb, _k)), t(t(:, _proof3, _premise3), t(synthesize, t(:, _proof3, _premise3), _kb, _rb, _k)), t(t(:, _proof4, _premise4), t(synthesize, t(:, _proof4, _premise4), _kb, _rb, _k))), _query))])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 116)
^  Exit: (169) [system] once(user:(if_t((get_time(1726792646.5077834), arg(1, t(1726792646.5077834), 1726792638.6715405), 7.836242914199829 is 1726792646.5077834-1726792638.6715405, 7.836242914199829>4), (nb_setarg(1, t(1726792646.5077834), 1726792646.5077834), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi([=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]]), 116]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 25, 25+1), write_metta_datalog_term((0x56051b673910), [=, [synthesize, _query, _kb, _rb, ['S', _k]], ['let*', [[[:, _ructor, [->, _premise1, _premise2, _premise3, _premise4, _conclusion]], [_rb]], [[:, [_ructor, _proof1, _proof2, _proof3, _proof4], _conclusion], _query], [[:, _proof1, _premise1], [synthesize, [:, _proof1, _premise1], _kb, _rb, _k]], [[:, _proof2, _premise2], [synthesize, [:, _proof2, _premise2], _kb, _rb, _k]], [[:, _proof3, _premise3], [synthesize, [:, _proof3, _premise3], _kb, _rb, _k]], [[:, _proof4, _premise4], [synthesize, [:, _proof4, _premise4], _kb, _rb, _k]]], _query]], nthesize_long_1726792630_1772065, 116)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 153)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 153))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 153))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1683152)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1690574)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (175) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (176) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (176) [system] peek_char((0x56051b6b4f40), _1697996)
   Exit: (176) [system] peek_char((0x56051b6b4f40), !)
   Call: (176) [system] char_type(!, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (177) [system] string((0x56051b6b4f40))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (178) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (178) [system] peek_char((0x56051b6b4f40), _1706334)
   Exit: (178) [system] peek_char((0x56051b6b4f40), !)
   Call: (178) [system] char_type(!, space)
   Call: (178) [system] _1709120=(0x56051b6b4f40)
   Exit: (178) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (178) [user] once((read_position((0x56051b6b4f40), _1710988, _1710990, _1710992, _1710994), read_sexpr((0x56051b6b4f40), _1711006), assertz(metta_file_comment(_1710988, _1710990, _1710992, _1711006, _1710994))))
^  Call: (180) [user] read_position((0x56051b6b4f40), _1710988, _1710990, _1710992, _1710994)
   Call: (181) [system] stream_property((0x56051b6b4f40), position(_1710994))
   Call: (182) [system] nonvar((0x56051b6b4f40))
   Exit: (182) [system] nonvar((0x56051b6b4f40))
   Call: (182) [system] nonvar(position(_1710994))
   Exit: (182) [system] nonvar(position(_1710994))
   Exit: (181) [system] stream_property((0x56051b6b4f40), position('$stream_position'(7568, 155, 0, 7568)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7568, 155, 0, 7568), _1710988)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1721246)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(7568, 155, 0, 7568), _1710988)
   Exit: (182) [system] arg(2, '$stream_position'(7568, 155, 0, 7568), 155)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7568, 155, 0, 7568), 155)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7568, 155, 0, 7568), _1710990)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1728680)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(7568, 155, 0, 7568), _1710990)
   Exit: (182) [system] arg(3, '$stream_position'(7568, 155, 0, 7568), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7568, 155, 0, 7568), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7568, 155, 0, 7568), _1710992)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1736114)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(7568, 155, 0, 7568), _1710992)
   Exit: (182) [system] arg(1, '$stream_position'(7568, 155, 0, 7568), 7568)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7568, 155, 0, 7568), 7568)
^  Exit: (180) [user] read_position((0x56051b6b4f40), 155, 0, 7568, '$stream_position'(7568, 155, 0, 7568))
^  Call: (180) [user] read_sexpr((0x56051b6b4f40), _1711006)
   Call: (181) [system] string((0x56051b6b4f40))
^  Call: (181) [user] cont_sexpr(')', (0x56051b6b4f40), _1711006)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1745416)
   Exit: (183) [system] peek_char((0x56051b6b4f40), !)
   Call: (183) [system] !=(;)
^  Call: (183) [user] is_like_space(!)
   Call: (184) [system] char_type(!, 'white')
   Call: (184) [system] char_type(!, end_of_line)
   Call: (184) [system] char_type(!, space)
   Call: (184) [system] char_type(!, cntrl)
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] get_char((0x56051b6b4f40), _1753884)
   Exit: (182) [system] get_char((0x56051b6b4f40), !)
   Call: (182) [system] !='('
   Call: (182) [system] !='['
   Call: (182) [system] !='{'
   Call: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x56051b6b4f40), _1761310)
   Call: (183) [system] string((0x56051b6b4f40))
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1761310)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1765020)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1773488)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1761310)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1779058)
   Exit: (186) [system] peek_char((0x56051b6b4f40), a)
   Call: (186) [system] a=(;)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1787526)
   Exit: (185) [system] peek_char((0x56051b6b4f40), a)
   Call: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1791240)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1793098)
   Exit: (187) [system] peek_char((0x56051b6b4f40), a)
   Call: (187) [system] a=(;)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1801566)
   Exit: (186) [system] get_char((0x56051b6b4f40), a)
   Call: (186) [system] a='('
   Call: (186) [system] a='['
   Call: (186) [system] a='{'
   Call: (186) [system] a='"'
   Call: (186) [system] a=!
   Call: (186) [system] a='\''
   Call: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), a, _1791240)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1811784)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1812718)
   Exit: (188) [system] peek_char((0x56051b6b4f40), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_1816510, v('(', ')', end_of_file), s)
   Call: (188) [system] ')'==s
   Call: (188) [system] get_char((0x56051b6b4f40), s)
   Exit: (188) [system] get_char((0x56051b6b4f40), s)
   Call: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1821080)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1822014)
   Exit: (189) [system] peek_char((0x56051b6b4f40), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1825806, v('(', ')', end_of_file), s)
   Call: (189) [system] ')'==s
   Call: (189) [system] get_char((0x56051b6b4f40), s)
   Exit: (189) [system] get_char((0x56051b6b4f40), s)
   Call: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1830376)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1831310)
   Exit: (190) [system] peek_char((0x56051b6b4f40), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1835102, v('(', ')', end_of_file), e)
   Call: (190) [system] ')'==e
   Call: (190) [system] get_char((0x56051b6b4f40), e)
   Exit: (190) [system] get_char((0x56051b6b4f40), e)
   Call: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1839672)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1840606)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1844398, v('(', ')', end_of_file), r)
   Call: (191) [system] ')'==r
   Call: (191) [system] get_char((0x56051b6b4f40), r)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1848968)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1849902)
   Exit: (192) [system] peek_char((0x56051b6b4f40), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1853694, v('(', ')', end_of_file), t)
   Call: (192) [system] ')'==t
   Call: (192) [system] get_char((0x56051b6b4f40), t)
   Exit: (192) [system] get_char((0x56051b6b4f40), t)
   Call: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1858264)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1859198)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1862990, v('(', ')', end_of_file), 'E')
   Call: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x56051b6b4f40), 'E')
   Exit: (193) [system] get_char((0x56051b6b4f40), 'E')
   Call: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1867560)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1868494)
   Exit: (194) [system] peek_char((0x56051b6b4f40), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1872286, v('(', ')', end_of_file), q)
   Call: (194) [system] ')'==q
   Call: (194) [system] get_char((0x56051b6b4f40), q)
   Exit: (194) [system] get_char((0x56051b6b4f40), q)
   Call: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1876856)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1877790)
   Exit: (195) [system] peek_char((0x56051b6b4f40), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1881582, v('(', ')', end_of_file), u)
   Call: (195) [system] ')'==u
   Call: (195) [system] get_char((0x56051b6b4f40), u)
   Exit: (195) [system] get_char((0x56051b6b4f40), u)
   Call: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1886152)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1887086)
   Exit: (196) [system] peek_char((0x56051b6b4f40), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1890878, v('(', ')', end_of_file), a)
   Call: (196) [system] ')'==a
   Call: (196) [system] get_char((0x56051b6b4f40), a)
   Exit: (196) [system] get_char((0x56051b6b4f40), a)
   Call: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1895448)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1896382)
   Exit: (197) [system] peek_char((0x56051b6b4f40), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1900174, v('(', ')', end_of_file), l)
   Call: (197) [system] ')'==l
   Call: (197) [system] get_char((0x56051b6b4f40), l)
   Exit: (197) [system] get_char((0x56051b6b4f40), l)
   Call: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1904744)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1905678)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1909470, v('(', ')', end_of_file), 'T')
   Call: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x56051b6b4f40), 'T')
   Exit: (198) [system] get_char((0x56051b6b4f40), 'T')
   Call: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1914040)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1914974)
   Exit: (199) [system] peek_char((0x56051b6b4f40), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1918766, v('(', ')', end_of_file), o)
   Call: (199) [system] ')'==o
   Call: (199) [system] get_char((0x56051b6b4f40), o)
   Exit: (199) [system] get_char((0x56051b6b4f40), o)
   Call: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1923336)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1924270)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1928062, v('(', ')', end_of_file), 'R')
   Call: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x56051b6b4f40), 'R')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'R')
   Call: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1932632)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1933566)
   Exit: (201) [system] peek_char((0x56051b6b4f40), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1937358, v('(', ')', end_of_file), e)
   Call: (201) [system] ')'==e
   Call: (201) [system] get_char((0x56051b6b4f40), e)
   Exit: (201) [system] get_char((0x56051b6b4f40), e)
   Call: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1941928)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1942862)
   Exit: (202) [system] peek_char((0x56051b6b4f40), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1946654, v('(', ')', end_of_file), s)
   Call: (202) [system] ')'==s
   Call: (202) [system] get_char((0x56051b6b4f40), s)
   Exit: (202) [system] get_char((0x56051b6b4f40), s)
   Call: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1951224)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1952158)
   Exit: (203) [system] peek_char((0x56051b6b4f40), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1955950, v('(', ')', end_of_file), u)
   Call: (203) [system] ')'==u
   Call: (203) [system] get_char((0x56051b6b4f40), u)
   Exit: (203) [system] get_char((0x56051b6b4f40), u)
   Call: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1960520)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1961454)
   Exit: (204) [system] peek_char((0x56051b6b4f40), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1965246, v('(', ')', end_of_file), l)
   Call: (204) [system] ')'==l
   Call: (204) [system] get_char((0x56051b6b4f40), l)
   Exit: (204) [system] get_char((0x56051b6b4f40), l)
   Call: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1969816)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1970750)
   Exit: (205) [system] peek_char((0x56051b6b4f40), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1974542, v('(', ')', end_of_file), t)
   Call: (205) [system] ')'==t
   Call: (205) [system] get_char((0x56051b6b4f40), t)
   Exit: (205) [system] get_char((0x56051b6b4f40), t)
   Call: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1979112)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1980046)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1979112=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1969816=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (204) [system] _1960520=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, t])
   Call: (203) [system] _1951224=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, l, t])
   Call: (202) [system] _1941928=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, u, l, t])
   Call: (201) [system] _1932632=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, u, l, t])
   Call: (200) [system] _1923336=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['R', e, s, u, l, t])
   Call: (199) [system] _1914040=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1904744=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1895448=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1886152=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1876856=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1867560=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _1858264=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _1848968=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _1839672=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _1830376=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _1821080=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _1811784=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1791240)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_2039648, _2039650), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1791240), _2039624, fail)), '$restore_trace'(_2039648, _2039650))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_2039648, _2039650))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _2039624, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(assertEqualToResult)
   Exit: (188) [system] atomic(assertEqualToResult)
^  Exit: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _2047148)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _2049006)
   Exit: (187) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (187) [system] ' '=(;)
^  Call: (187) [user] is_like_space(' ')
   Call: (188) [system] char_type(' ', 'white')
   Exit: (188) [system] char_type(' ', 'white')
^  Exit: (187) [user] is_like_space(' ')
   Call: (187) [system] get_char((0x56051b6b4f40), _2055816)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _2058520)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x56051b6b4f40), _2066136)
   Exit: (188) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _2068840)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _2075650)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _2078354)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _2085164)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _2087868)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _6672)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _10386)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _12244)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _20712)
   Exit: (187) [system] get_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _10386)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _26282)
   Exit: (189) [system] peek_char((0x56051b6b4f40), s)
   Call: (189) [system] s=(;)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _34750)
   Exit: (188) [system] peek_char((0x56051b6b4f40), s)
   Call: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _38464)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _40322)
   Exit: (190) [system] peek_char((0x56051b6b4f40), s)
   Call: (190) [system] s=(;)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _48790)
   Exit: (189) [system] get_char((0x56051b6b4f40), s)
   Call: (189) [system] s='('
   Call: (189) [system] s='['
   Call: (189) [system] s='{'
   Call: (189) [system] s='"'
   Call: (189) [system] s=!
   Call: (189) [system] s='\''
   Call: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), s, _38464)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _59008)
   Call: (191) [system] peek_char((0x56051b6b4f40), _59942)
   Exit: (191) [system] peek_char((0x56051b6b4f40), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_63734, v('(', ')', end_of_file), y)
   Call: (191) [system] ')'==y
   Call: (191) [system] get_char((0x56051b6b4f40), y)
   Exit: (191) [system] get_char((0x56051b6b4f40), y)
   Call: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _68304)
   Call: (192) [system] peek_char((0x56051b6b4f40), _69238)
   Exit: (192) [system] peek_char((0x56051b6b4f40), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_73030, v('(', ')', end_of_file), n)
   Call: (192) [system] ')'==n
   Call: (192) [system] get_char((0x56051b6b4f40), n)
   Exit: (192) [system] get_char((0x56051b6b4f40), n)
   Call: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _77600)
   Call: (193) [system] peek_char((0x56051b6b4f40), _78534)
   Exit: (193) [system] peek_char((0x56051b6b4f40), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_82326, v('(', ')', end_of_file), t)
   Call: (193) [system] ')'==t
   Call: (193) [system] get_char((0x56051b6b4f40), t)
   Exit: (193) [system] get_char((0x56051b6b4f40), t)
   Call: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _86896)
   Call: (194) [system] peek_char((0x56051b6b4f40), _87830)
   Exit: (194) [system] peek_char((0x56051b6b4f40), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_91622, v('(', ')', end_of_file), h)
   Call: (194) [system] ')'==h
   Call: (194) [system] get_char((0x56051b6b4f40), h)
   Exit: (194) [system] get_char((0x56051b6b4f40), h)
   Call: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _96192)
   Call: (195) [system] peek_char((0x56051b6b4f40), _97126)
   Exit: (195) [system] peek_char((0x56051b6b4f40), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_100918, v('(', ')', end_of_file), e)
   Call: (195) [system] ')'==e
   Call: (195) [system] get_char((0x56051b6b4f40), e)
   Exit: (195) [system] get_char((0x56051b6b4f40), e)
   Call: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _105488)
   Call: (196) [system] peek_char((0x56051b6b4f40), _106422)
   Exit: (196) [system] peek_char((0x56051b6b4f40), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_110214, v('(', ')', end_of_file), s)
   Call: (196) [system] ')'==s
   Call: (196) [system] get_char((0x56051b6b4f40), s)
   Exit: (196) [system] get_char((0x56051b6b4f40), s)
   Call: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _114784)
   Call: (197) [system] peek_char((0x56051b6b4f40), _115718)
   Exit: (197) [system] peek_char((0x56051b6b4f40), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_119510, v('(', ')', end_of_file), i)
   Call: (197) [system] ')'==i
   Call: (197) [system] get_char((0x56051b6b4f40), i)
   Exit: (197) [system] get_char((0x56051b6b4f40), i)
   Call: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _124080)
   Call: (198) [system] peek_char((0x56051b6b4f40), _125014)
   Exit: (198) [system] peek_char((0x56051b6b4f40), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_128806, v('(', ')', end_of_file), z)
   Call: (198) [system] ')'==z
   Call: (198) [system] get_char((0x56051b6b4f40), z)
   Exit: (198) [system] get_char((0x56051b6b4f40), z)
   Call: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _133376)
   Call: (199) [system] peek_char((0x56051b6b4f40), _134310)
   Exit: (199) [system] peek_char((0x56051b6b4f40), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_138102, v('(', ')', end_of_file), e)
   Call: (199) [system] ')'==e
   Call: (199) [system] get_char((0x56051b6b4f40), e)
   Exit: (199) [system] get_char((0x56051b6b4f40), e)
   Call: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _142672)
   Call: (200) [system] peek_char((0x56051b6b4f40), _143606)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _142672=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _133376=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (198) [system] _124080=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (197) [system] _114784=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (196) [system] _105488=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (195) [system] _96192=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (194) [system] _86896=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (193) [system] _77600=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (192) [system] _68304=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _59008=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _38464)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_178062, _178064), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _38464), _178038, fail)), '$restore_trace'(_178062, _178064))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_178062, _178064))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _178038, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(synthesize)
   Exit: (191) [system] atomic(synthesize)
^  Exit: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _185562)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _187420)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _194230)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _196934)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _206326)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _210040)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _211898)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _220366)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _210040)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _225936)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _234404)
   Exit: (191) [system] peek_char((0x56051b6b4f40), :)
   Call: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _238118)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _239976)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _248444)
   Exit: (192) [system] get_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, _238118)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _258662)
   Call: (194) [system] peek_char((0x56051b6b4f40), _259596)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _258662=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _238118)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_268906, _268908), once(user:catch(read_from_chars([:], _238118), _268882, fail)), '$restore_trace'(_268906, _268908))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_268906, _268908))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _268882, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _276406)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _278264)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _285074)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _287778)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _297170)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _300884)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _302742)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _311210)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _300884)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _321428)
   Call: (195) [system] peek_char((0x56051b6b4f40), _322362)
   Exit: (195) [system] peek_char((0x56051b6b4f40), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_326154, v('(', ')', end_of_file), t)
   Call: (195) [system] ')'==t
   Call: (195) [system] get_char((0x56051b6b4f40), t)
   Exit: (195) [system] get_char((0x56051b6b4f40), t)
   Call: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _330724)
   Call: (196) [system] peek_char((0x56051b6b4f40), _331658)
   Exit: (196) [system] peek_char((0x56051b6b4f40), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_335450, v('(', ')', end_of_file), e)
   Call: (196) [system] ')'==e
   Call: (196) [system] get_char((0x56051b6b4f40), e)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _340020)
   Call: (197) [system] peek_char((0x56051b6b4f40), _340954)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_344746, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _349316)
   Call: (198) [system] peek_char((0x56051b6b4f40), _350250)
   Exit: (198) [system] peek_char((0x56051b6b4f40), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_354042, v('(', ')', end_of_file), m)
   Call: (198) [system] ')'==m
   Call: (198) [system] get_char((0x56051b6b4f40), m)
   Exit: (198) [system] get_char((0x56051b6b4f40), m)
   Call: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _358612)
   Call: (199) [system] peek_char((0x56051b6b4f40), _359546)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _358612=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _349316=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m])
   Call: (197) [system] _340020=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, m])
   Call: (196) [system] _330724=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, m])
   Call: (195) [system] _321428=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _300884)
   Call: (195) [system] atom_chars(_380006, ['_', t, e, r, m])
   Exit: (195) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _term)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _384670)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _386528)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _393338)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _396042)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _405434)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _409148)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _411006)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _419474)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _409148)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _429692)
   Call: (196) [system] peek_char((0x56051b6b4f40), _430626)
   Exit: (196) [system] peek_char((0x56051b6b4f40), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_434418, v('(', ')', end_of_file), t)
   Call: (196) [system] ')'==t
   Call: (196) [system] get_char((0x56051b6b4f40), t)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _438988)
   Call: (197) [system] peek_char((0x56051b6b4f40), _439922)
   Exit: (197) [system] peek_char((0x56051b6b4f40), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_443714, v('(', ')', end_of_file), y)
   Call: (197) [system] ')'==y
   Call: (197) [system] get_char((0x56051b6b4f40), y)
   Exit: (197) [system] get_char((0x56051b6b4f40), y)
   Call: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _448284)
   Call: (198) [system] peek_char((0x56051b6b4f40), _449218)
   Exit: (198) [system] peek_char((0x56051b6b4f40), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_453010, v('(', ')', end_of_file), p)
   Call: (198) [system] ')'==p
   Call: (198) [system] get_char((0x56051b6b4f40), p)
   Exit: (198) [system] get_char((0x56051b6b4f40), p)
   Call: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _457580)
   Call: (199) [system] peek_char((0x56051b6b4f40), _458514)
   Exit: (199) [system] peek_char((0x56051b6b4f40), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_462306, v('(', ')', end_of_file), e)
   Call: (199) [system] ')'==e
   Call: (199) [system] get_char((0x56051b6b4f40), e)
   Exit: (199) [system] get_char((0x56051b6b4f40), e)
   Call: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _466876)
   Call: (200) [system] peek_char((0x56051b6b4f40), _467810)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_471602, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _466876=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _457580=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (198) [system] _448284=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, e])
   Call: (197) [system] _438988=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, p, e])
   Call: (196) [system] _429692=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _409148)
   Call: (196) [system] atom_chars(_489214, ['_', t, y, p, e])
   Exit: (196) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _type)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _493878)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _495736)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _504204)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _507994)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _493878=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _384670=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_type])
   Call: (192) [system] _276406=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_term, _type])
   Call: (191) [system] _210040=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _521876)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _523734)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _530544)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _533248)
   Exit: (192) [system] peek_char((0x56051b6b4f40), k)
   Call: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _542640)
   Exit: (190) [system] peek_char((0x56051b6b4f40), k)
   Call: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _546354)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _548212)
   Exit: (192) [system] peek_char((0x56051b6b4f40), k)
   Call: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _556680)
   Exit: (191) [system] get_char((0x56051b6b4f40), k)
   Call: (191) [system] k='('
   Call: (191) [system] k='['
   Call: (191) [system] k='{'
   Call: (191) [system] k='"'
   Call: (191) [system] k=!
   Call: (191) [system] k='\''
   Call: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), k, _546354)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _566898)
   Call: (193) [system] peek_char((0x56051b6b4f40), _567832)
   Exit: (193) [system] peek_char((0x56051b6b4f40), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_571624, v('(', ')', end_of_file), b)
   Call: (193) [system] ')'==b
   Call: (193) [system] get_char((0x56051b6b4f40), b)
   Exit: (193) [system] get_char((0x56051b6b4f40), b)
   Call: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _576194)
   Call: (194) [system] peek_char((0x56051b6b4f40), _577128)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _576194=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _566898=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (192) [user] classify_and_convert_charseq(k, [b], _546354)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_589232, _589234), once(user:catch(read_from_chars([k, b], _546354), _589208, fail)), '$restore_trace'(_589232, _589234))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_589232, _589234))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _589208, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(kb)
   Exit: (193) [system] atomic(kb)
^  Exit: (192) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), kb)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _596732)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _598590)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _605400)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _608104)
   Exit: (193) [system] peek_char((0x56051b6b4f40), r)
   Call: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _617496)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
   Call: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _621210)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _623068)
   Exit: (193) [system] peek_char((0x56051b6b4f40), r)
   Call: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _631536)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] r='('
   Call: (192) [system] r='['
   Call: (192) [system] r='{'
   Call: (192) [system] r='"'
   Call: (192) [system] r=!
   Call: (192) [system] r='\''
   Call: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), r, _621210)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _641754)
   Call: (194) [system] peek_char((0x56051b6b4f40), _642688)
   Exit: (194) [system] peek_char((0x56051b6b4f40), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_646480, v('(', ')', end_of_file), b)
   Call: (194) [system] ')'==b
   Call: (194) [system] get_char((0x56051b6b4f40), b)
   Exit: (194) [system] get_char((0x56051b6b4f40), b)
   Call: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _651050)
   Call: (195) [system] peek_char((0x56051b6b4f40), _651984)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _651050=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (194) [system] _641754=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (193) [user] classify_and_convert_charseq(r, [b], _621210)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_664088, _664090), once(user:catch(read_from_chars([r, b], _621210), _664064, fail)), '$restore_trace'(_664088, _664090))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_664088, _664090))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _664064, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(rb)
   Exit: (194) [system] atomic(rb)
^  Exit: (193) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _671588)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _673446)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _680256)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _682960)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (194) [system] 'Z'=(;)
^  Call: (194) [user] is_like_space('Z')
   Call: (195) [system] char_type('Z', 'white')
   Call: (195) [system] char_type('Z', end_of_line)
   Call: (195) [system] char_type('Z', space)
   Call: (195) [system] char_type('Z', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _692352)
   Exit: (192) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (192) [system] 'Z'=')'
   Call: (192) [system] 'Z'=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _696066)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _697924)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (194) [system] 'Z'=(;)
^  Call: (194) [user] is_like_space('Z')
   Call: (195) [system] char_type('Z', 'white')
   Call: (195) [system] char_type('Z', end_of_line)
   Call: (195) [system] char_type('Z', space)
   Call: (195) [system] char_type('Z', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _706392)
   Exit: (193) [system] get_char((0x56051b6b4f40), 'Z')
   Call: (193) [system] 'Z'='('
   Call: (193) [system] 'Z'='['
   Call: (193) [system] 'Z'='{'
   Call: (193) [system] 'Z'='"'
   Call: (193) [system] 'Z'=!
   Call: (193) [system] 'Z'='\''
   Call: (193) [system] 'Z'='`'
   Call: (193) [system] 'Z'=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), 'Z', _696066)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _716610)
   Call: (195) [system] peek_char((0x56051b6b4f40), _717544)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (195) [user] is_delimiter(')')
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] arg(_721336, v('(', ')', end_of_file), ')')
   Exit: (196) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (195) [user] is_delimiter(')')
   Call: (195) [system] _716610=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (194) [user] classify_and_convert_charseq('Z', [], _696066)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_727798, _727800), once(user:catch(read_from_chars(['Z'], _696066), _727774, fail)), '$restore_trace'(_727798, _727800))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_727798, _727800))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _696066), _727774, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(_696066)
   Call: (195) [system] atom_chars(_696066, ['Z'])
   Exit: (195) [system] atom_chars('Z', ['Z'])
^  Exit: (194) [user] classify_and_convert_charseq('Z', [], 'Z')
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), 'Z', 'Z')
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), 'Z')
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _736250)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _738108)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _746576)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _750366)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _736250=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _671588=['Z']
   Exit: (192) [system] ['Z']=['Z']
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), ['Z'])
   Call: (191) [system] _596732=[rb, 'Z']
   Exit: (191) [system] [rb, 'Z']=[rb, 'Z']
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [rb, 'Z'])
   Call: (190) [system] _521876=[kb, rb, 'Z']
   Exit: (190) [system] [kb, rb, 'Z']=[kb, rb, 'Z']
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [kb, rb, 'Z'])
   Call: (189) [system] _185562=[[:, _term, _type], kb, rb, 'Z']
   Exit: (189) [system] [[:, _term, _type], kb, rb, 'Z']=[[:, _term, _type], kb, rb, 'Z']
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[:, _term, _type], kb, rb, 'Z'])
   Call: (188) [system] _10386=[synthesize, [:, _term, _type], kb, rb, 'Z']
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, 'Z']=[synthesize, [:, _term, _type], kb, rb, 'Z']
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _term, _type], kb, rb, 'Z'])
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _term, _type], kb, rb, 'Z'])
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _769836)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _771694)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x56051b6b4f40), _779310)
   Exit: (188) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _782014)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _788824)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _791528)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _798338)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _801042)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _812282)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _815996)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _817854)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _826322)
   Exit: (188) [system] get_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _815996)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _831892)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _840360)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _844074)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _845932)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _854400)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _844074)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _859970)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _868438)
   Exit: (191) [system] peek_char((0x56051b6b4f40), :)
   Call: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _872152)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _874010)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _882478)
   Exit: (192) [system] get_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, _872152)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _892696)
   Call: (194) [system] peek_char((0x56051b6b4f40), _893630)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _892696=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _872152)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_902940, _902942), once(user:catch(read_from_chars([:], _872152), _902916, fail)), '$restore_trace'(_902940, _902942))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_902940, _902942))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _902916, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _910440)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _912298)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _919108)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _921812)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _931204)
   Exit: (192) [system] peek_char((0x56051b6b4f40), a)
   Call: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _934918)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _936776)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _945244)
   Exit: (193) [system] get_char((0x56051b6b4f40), a)
   Call: (193) [system] a='('
   Call: (193) [system] a='['
   Call: (193) [system] a='{'
   Call: (193) [system] a='"'
   Call: (193) [system] a=!
   Call: (193) [system] a='\''
   Call: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), a, _934918)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _955462)
   Call: (195) [system] peek_char((0x56051b6b4f40), _956396)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _955462=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (194) [user] classify_and_convert_charseq(a, [], _934918)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_965706, _965708), once(user:catch(read_from_chars([a], _934918), _965682, fail)), '$restore_trace'(_965706, _965708))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_965706, _965708))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _965682, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(a)
   Exit: (195) [system] atomic(a)
^  Exit: (194) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _973206)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _975064)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _981874)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _984578)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (195) [system] 'A'=(;)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _993970)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (193) [system] 'A'=')'
   Call: (193) [system] 'A'=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _997684)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _999542)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (195) [system] 'A'=(;)
^  Call: (195) [user] is_like_space('A')
   Call: (196) [system] char_type('A', 'white')
   Call: (196) [system] char_type('A', end_of_line)
   Call: (196) [system] char_type('A', space)
   Call: (196) [system] char_type('A', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1008010)
   Exit: (194) [system] get_char((0x56051b6b4f40), 'A')
   Call: (194) [system] 'A'='('
   Call: (194) [system] 'A'='['
   Call: (194) [system] 'A'='{'
   Call: (194) [system] 'A'='"'
   Call: (194) [system] 'A'=!
   Call: (194) [system] 'A'='\''
   Call: (194) [system] 'A'='`'
   Call: (194) [system] 'A'=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _997684)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1018228)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1019162)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (196) [user] is_delimiter(')')
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] arg(_1022954, v('(', ')', end_of_file), ')')
   Exit: (197) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (196) [user] is_delimiter(')')
   Call: (196) [system] _1018228=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq('A', [], _997684)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1029416, _1029418), once(user:catch(read_from_chars(['A'], _997684), _1029392, fail)), '$restore_trace'(_1029416, _1029418))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1029416, _1029418))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _997684), _1029392, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(_997684)
   Call: (196) [system] atom_chars(_997684, ['A'])
   Exit: (196) [system] atom_chars('A', ['A'])
^  Exit: (195) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1037868)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1039726)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1048194)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _1051984)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _1037868=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _973206=['A']
   Exit: (193) [system] ['A']=['A']
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (192) [system] _910440=[a, 'A']
   Exit: (192) [system] [a, 'A']=[a, 'A']
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [a, 'A'])
   Call: (191) [system] _844074=[:, a, 'A']
   Exit: (191) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [:, a, 'A'])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [:, a, 'A'])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1065866)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1067724)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _1074534)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1077238)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1086630)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1090344)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1092202)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _1100670)
   Exit: (191) [system] get_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1090344)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1106240)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1114708)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1118422)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1120280)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1128748)
   Exit: (193) [system] get_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), :, _1118422)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1138966)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1139900)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1138966=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (194) [user] classify_and_convert_charseq(:, [], _1118422)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1149210, _1149212), once(user:catch(read_from_chars([:], _1118422), _1149186, fail)), '$restore_trace'(_1149210, _1149212))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1149210, _1149212))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1149186, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1156710)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1158568)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1165378)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1168082)
   Exit: (195) [system] peek_char((0x56051b6b4f40), a)
   Call: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1177474)
   Exit: (193) [system] peek_char((0x56051b6b4f40), a)
   Call: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1181188)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1183046)
   Exit: (195) [system] peek_char((0x56051b6b4f40), a)
   Call: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1191514)
   Exit: (194) [system] get_char((0x56051b6b4f40), a)
   Call: (194) [system] a='('
   Call: (194) [system] a='['
   Call: (194) [system] a='{'
   Call: (194) [system] a='"'
   Call: (194) [system] a=!
   Call: (194) [system] a='\''
   Call: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), a, _1181188)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1201732)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1202666)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1201732=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(a, [], _1181188)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1211976, _1211978), once(user:catch(read_from_chars([a], _1181188), _1211952, fail)), '$restore_trace'(_1211976, _1211978))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1211976, _1211978))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1211952, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(a)
   Exit: (196) [system] atomic(a)
^  Exit: (195) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1219476)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1221334)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1228144)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1230848)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (196) [system] 'B'=(;)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1240240)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (194) [system] 'B'=')'
   Call: (194) [system] 'B'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1243954)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1245812)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (196) [system] 'B'=(;)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1254280)
   Exit: (195) [system] get_char((0x56051b6b4f40), 'B')
   Call: (195) [system] 'B'='('
   Call: (195) [system] 'B'='['
   Call: (195) [system] 'B'='{'
   Call: (195) [system] 'B'='"'
   Call: (195) [system] 'B'=!
   Call: (195) [system] 'B'='\''
   Call: (195) [system] 'B'='`'
   Call: (195) [system] 'B'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1243954)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1264498)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1265432)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1269224, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1264498=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq('B', [], _1243954)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1275686, _1275688), once(user:catch(read_from_chars(['B'], _1243954), _1275662, fail)), '$restore_trace'(_1275686, _1275688))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1275686, _1275688))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1243954), _1275662, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1243954)
   Call: (197) [system] atom_chars(_1243954, ['B'])
   Exit: (197) [system] atom_chars('B', ['B'])
^  Exit: (196) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1284138)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1285996)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1294464)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _1298254)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _1284138=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _1219476=['B']
   Exit: (194) [system] ['B']=['B']
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (193) [system] _1156710=[a, 'B']
   Exit: (193) [system] [a, 'B']=[a, 'B']
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [a, 'B'])
   Call: (192) [system] _1090344=[:, a, 'B']
   Exit: (192) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [:, a, 'B'])
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), [:, a, 'B'])
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _1312136)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1313994)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1320804)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1323508)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1332900)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1336614)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1338472)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1346940)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1336614)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1352510)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1360978)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1364692)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1366550)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1375018)
   Exit: (194) [system] get_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, _1364692)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1385236)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1386170)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1385236=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _1364692)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1395480, _1395482), once(user:catch(read_from_chars([:], _1364692), _1395456, fail)), '$restore_trace'(_1395480, _1395482))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1395480, _1395482))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1395456, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1402980)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1404838)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1411648)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1414352)
   Exit: (196) [system] peek_char((0x56051b6b4f40), a)
   Call: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1423744)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=')'
   Call: (194) [system] a=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1427458)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1429316)
   Exit: (196) [system] peek_char((0x56051b6b4f40), a)
   Call: (196) [system] a=(;)
^  Call: (196) [user] is_like_space(a)
   Call: (197) [system] char_type(a, 'white')
   Call: (197) [system] char_type(a, end_of_line)
   Call: (197) [system] char_type(a, space)
   Call: (197) [system] char_type(a, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1437784)
   Exit: (195) [system] get_char((0x56051b6b4f40), a)
   Call: (195) [system] a='('
   Call: (195) [system] a='['
   Call: (195) [system] a='{'
   Call: (195) [system] a='"'
   Call: (195) [system] a=!
   Call: (195) [system] a='\''
   Call: (195) [system] a='`'
   Call: (195) [system] a=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), a, _1427458)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1448002)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1448936)
   Exit: (197) [system] peek_char((0x56051b6b4f40), b)
^  Call: (197) [user] is_delimiter(b)
   Call: (198) [system] char_type(b, space)
   Call: (198) [system] arg(_1452728, v('(', ')', end_of_file), b)
   Call: (197) [system] ')'==b
   Call: (197) [system] get_char((0x56051b6b4f40), b)
   Exit: (197) [system] get_char((0x56051b6b4f40), b)
   Call: (197) [system] b=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1457298)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1458232)
   Exit: (198) [system] peek_char((0x56051b6b4f40), c)
^  Call: (198) [user] is_delimiter(c)
   Call: (199) [system] char_type(c, space)
   Call: (199) [system] arg(_1462024, v('(', ')', end_of_file), c)
   Call: (198) [system] ')'==c
   Call: (198) [system] get_char((0x56051b6b4f40), c)
   Exit: (198) [system] get_char((0x56051b6b4f40), c)
   Call: (198) [system] c=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1466594)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1467528)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1466594=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1457298=[c]
   Exit: (198) [system] [c]=[c]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (197) [system] _1448002=[b, c]
   Exit: (197) [system] [b, c]=[b, c]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (196) [user] classify_and_convert_charseq(a, [b, c], _1427458)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1482426, _1482428), once(user:catch(read_from_chars([a, b, c], _1427458), _1482402, fail)), '$restore_trace'(_1482426, _1482428))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1482426, _1482428))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1482402, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(abc)
   Exit: (197) [system] atomic(abc)
^  Exit: (196) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1489926)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1491784)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _1498594)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1501298)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1510690)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _1514404)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1516262)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _1524730)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1514404)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1530300)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (198) [system] 'I'=(;)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1538768)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (197) [system] 'I'=')'
   Call: (197) [system] 'I'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1542482)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1544340)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (199) [system] 'I'=(;)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1552808)
   Exit: (198) [system] get_char((0x56051b6b4f40), 'I')
   Call: (198) [system] 'I'='('
   Call: (198) [system] 'I'='['
   Call: (198) [system] 'I'='{'
   Call: (198) [system] 'I'='"'
   Call: (198) [system] 'I'=!
   Call: (198) [system] 'I'='\''
   Call: (198) [system] 'I'='`'
   Call: (198) [system] 'I'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1542482)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1563026)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1563960)
   Exit: (200) [system] peek_char((0x56051b6b4f40), m)
^  Call: (200) [user] is_delimiter(m)
   Call: (201) [system] char_type(m, space)
   Call: (201) [system] arg(_1567752, v('(', ')', end_of_file), m)
   Call: (200) [system] ')'==m
   Call: (200) [system] get_char((0x56051b6b4f40), m)
   Exit: (200) [system] get_char((0x56051b6b4f40), m)
   Call: (200) [system] m=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1572322)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1573256)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_1577048, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1581618)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1582552)
   Exit: (202) [system] peek_char((0x56051b6b4f40), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_1586344, v('(', ')', end_of_file), l)
   Call: (202) [system] ')'==l
   Call: (202) [system] get_char((0x56051b6b4f40), l)
   Exit: (202) [system] get_char((0x56051b6b4f40), l)
   Call: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1590914)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1591848)
   Exit: (203) [system] peek_char((0x56051b6b4f40), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_1595640, v('(', ')', end_of_file), i)
   Call: (203) [system] ')'==i
   Call: (203) [system] get_char((0x56051b6b4f40), i)
   Exit: (203) [system] get_char((0x56051b6b4f40), i)
   Call: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1600210)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1601144)
   Exit: (204) [system] peek_char((0x56051b6b4f40), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1604936, v('(', ')', end_of_file), c)
   Call: (204) [system] ')'==c
   Call: (204) [system] get_char((0x56051b6b4f40), c)
   Exit: (204) [system] get_char((0x56051b6b4f40), c)
   Call: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1609506)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1610440)
   Exit: (205) [system] peek_char((0x56051b6b4f40), a)
^  Call: (205) [user] is_delimiter(a)
   Call: (206) [system] char_type(a, space)
   Call: (206) [system] arg(_1614232, v('(', ')', end_of_file), a)
   Call: (205) [system] ')'==a
   Call: (205) [system] get_char((0x56051b6b4f40), a)
   Exit: (205) [system] get_char((0x56051b6b4f40), a)
   Call: (205) [system] a=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1618802)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1619736)
   Exit: (206) [system] peek_char((0x56051b6b4f40), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_1623528, v('(', ')', end_of_file), t)
   Call: (206) [system] ')'==t
   Call: (206) [system] get_char((0x56051b6b4f40), t)
   Exit: (206) [system] get_char((0x56051b6b4f40), t)
   Call: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1628098)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1629032)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1632824, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1637394)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1638328)
   Exit: (208) [system] peek_char((0x56051b6b4f40), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_1642120, v('(', ')', end_of_file), o)
   Call: (208) [system] ')'==o
   Call: (208) [system] get_char((0x56051b6b4f40), o)
   Exit: (208) [system] get_char((0x56051b6b4f40), o)
   Call: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1646690)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1647624)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1651416, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1655986)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1656920)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1655986=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1646690=[n]
   Exit: (209) [system] [n]=[n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (208) [system] _1637394=[o, n]
   Exit: (208) [system] [o, n]=[o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (207) [system] _1628098=[i, o, n]
   Exit: (207) [system] [i, o, n]=[i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (206) [system] _1618802=[t, i, o, n]
   Exit: (206) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (205) [system] _1609506=[a, t, i, o, n]
   Exit: (205) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (204) [system] _1600210=[c, a, t, i, o, n]
   Exit: (204) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (203) [system] _1590914=[i, c, a, t, i, o, n]
   Exit: (203) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (202) [system] _1581618=[l, i, c, a, t, i, o, n]
   Exit: (202) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (201) [system] _1572322=[p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (200) [system] _1563026=[m, p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (199) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1542482)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1694170, _1694172), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1542482), _1694146, fail)), '$restore_trace'(_1694170, _1694172))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1694170, _1694172))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1542482), _1694146, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1542482)
   Call: (200) [system] atom_chars(_1542482, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (200) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1702622)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1704480)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1711290)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1713994)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1723386)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1727100)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1728958)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1737426)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1727100)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1742996)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1751464)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (200) [system] 'A'=')'
   Call: (200) [system] 'A'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1755178)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1757036)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (202) [system] 'A'=(;)
^  Call: (202) [user] is_like_space('A')
   Call: (203) [system] char_type('A', 'white')
   Call: (203) [system] char_type('A', end_of_line)
   Call: (203) [system] char_type('A', space)
   Call: (203) [system] char_type('A', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1765504)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'='('
   Call: (201) [system] 'A'='['
   Call: (201) [system] 'A'='{'
   Call: (201) [system] 'A'='"'
   Call: (201) [system] 'A'=!
   Call: (201) [system] 'A'='\''
   Call: (201) [system] 'A'='`'
   Call: (201) [system] 'A'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1755178)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1775722)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1776656)
   Exit: (203) [system] peek_char((0x56051b6b4f40), n)
^  Call: (203) [user] is_delimiter(n)
   Call: (204) [system] char_type(n, space)
   Call: (204) [system] arg(_1780448, v('(', ')', end_of_file), n)
   Call: (203) [system] ')'==n
   Call: (203) [system] get_char((0x56051b6b4f40), n)
   Exit: (203) [system] get_char((0x56051b6b4f40), n)
   Call: (203) [system] n=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1785018)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1785952)
   Exit: (204) [system] peek_char((0x56051b6b4f40), d)
^  Call: (204) [user] is_delimiter(d)
   Call: (205) [system] char_type(d, space)
   Call: (205) [system] arg(_1789744, v('(', ')', end_of_file), d)
   Call: (204) [system] ')'==d
   Call: (204) [system] get_char((0x56051b6b4f40), d)
   Exit: (204) [system] get_char((0x56051b6b4f40), d)
   Call: (204) [system] d=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1794314)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1795248)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1799040, v('(', ')', end_of_file), 'L')
   Call: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (205) [system] get_char((0x56051b6b4f40), 'L')
   Call: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1803610)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1804544)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1808336, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1812906)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1813840)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1817632, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1822202)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1823136)
   Exit: (208) [system] peek_char((0x56051b6b4f40), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1826928, v('(', ')', end_of_file), k)
   Call: (208) [system] ')'==k
   Call: (208) [system] get_char((0x56051b6b4f40), k)
   Exit: (208) [system] get_char((0x56051b6b4f40), k)
   Call: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1831498)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1832432)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1831498=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1822202=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (207) [system] _1812906=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (206) [system] _1803610=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (205) [system] _1794314=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (204) [system] _1785018=[d, 'L', i, n, k]
   Exit: (204) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (203) [system] _1775722=[n, d, 'L', i, n, k]
   Exit: (203) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1755178)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1858506, _1858508), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1755178), _1858482, fail)), '$restore_trace'(_1858506, _1858508))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1858506, _1858508))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1755178), _1858482, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1755178)
   Call: (203) [system] atom_chars(_1755178, ['A', n, d, 'L', i, n, k])
   Exit: (203) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1866958)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1868816)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1875626)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1878330)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (203) [system] 'A'=(;)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1887722)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=')'
   Call: (201) [system] 'A'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1891436)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1893294)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (203) [system] 'A'=(;)
^  Call: (203) [user] is_like_space('A')
   Call: (204) [system] char_type('A', 'white')
   Call: (204) [system] char_type('A', end_of_line)
   Call: (204) [system] char_type('A', space)
   Call: (204) [system] char_type('A', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1901762)
   Exit: (202) [system] get_char((0x56051b6b4f40), 'A')
   Call: (202) [system] 'A'='('
   Call: (202) [system] 'A'='['
   Call: (202) [system] 'A'='{'
   Call: (202) [system] 'A'='"'
   Call: (202) [system] 'A'=!
   Call: (202) [system] 'A'='\''
   Call: (202) [system] 'A'='`'
   Call: (202) [system] 'A'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1891436)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1911980)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1912914)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1911980=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (203) [user] classify_and_convert_charseq('A', [], _1891436)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1922224, _1922226), once(user:catch(read_from_chars(['A'], _1891436), _1922200, fail)), '$restore_trace'(_1922224, _1922226))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1922224, _1922226))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1891436), _1922200, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1891436)
   Call: (204) [system] atom_chars(_1891436, ['A'])
   Exit: (204) [system] atom_chars('A', ['A'])
^  Exit: (203) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1930676)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1932534)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1939344)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1942048)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (204) [system] 'B'=(;)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1951440)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (202) [system] 'B'=')'
   Call: (202) [system] 'B'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1955154)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1957012)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (204) [system] 'B'=(;)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1965480)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'B')
   Call: (203) [system] 'B'='('
   Call: (203) [system] 'B'='['
   Call: (203) [system] 'B'='{'
   Call: (203) [system] 'B'='"'
   Call: (203) [system] 'B'=!
   Call: (203) [system] 'B'='\''
   Call: (203) [system] 'B'='`'
   Call: (203) [system] 'B'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1955154)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1975698)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1976632)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1980424, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1975698=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (204) [user] classify_and_convert_charseq('B', [], _1955154)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1986886, _1986888), once(user:catch(read_from_chars(['B'], _1955154), _1986862, fail)), '$restore_trace'(_1986886, _1986888))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1986886, _1986888))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1955154), _1986862, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1955154)
   Call: (205) [system] atom_chars(_1955154, ['B'])
   Exit: (205) [system] atom_chars('B', ['B'])
^  Exit: (204) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1995338)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1997196)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _2005664)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _2009454)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _1995338=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _1930676=['B']
   Exit: (202) [system] ['B']=['B']
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (201) [system] _1866958=['A', 'B']
   Exit: (201) [system] ['A', 'B']=['A', 'B']
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (200) [system] _1727100=['AndLink', 'A', 'B']
   Exit: (200) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _2023336)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _2025194)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _2032004)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _2034708)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (201) [system] 'C'=(;)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2044100)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (199) [system] 'C'=')'
   Call: (199) [system] 'C'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _2047814)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _2049672)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (201) [system] 'C'=(;)
^  Call: (201) [user] is_like_space('C')
   Call: (202) [system] char_type('C', 'white')
   Call: (202) [system] char_type('C', end_of_line)
   Call: (202) [system] char_type('C', space)
   Call: (202) [system] char_type('C', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _2058140)
   Exit: (200) [system] get_char((0x56051b6b4f40), 'C')
   Call: (200) [system] 'C'='('
   Call: (200) [system] 'C'='['
   Call: (200) [system] 'C'='{'
   Call: (200) [system] 'C'='"'
   Call: (200) [system] 'C'=!
   Call: (200) [system] 'C'='\''
   Call: (200) [system] 'C'='`'
   Call: (200) [system] 'C'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2047814)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2068358)
   Call: (202) [system] peek_char((0x56051b6b4f40), _2069292)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (202) [user] is_delimiter(')')
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] arg(_2073084, v('(', ')', end_of_file), ')')
   Exit: (203) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (202) [user] is_delimiter(')')
   Call: (202) [system] _2068358=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq('C', [], _2047814)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_2079546, _2079548), once(user:catch(read_from_chars(['C'], _2047814), _2079522, fail)), '$restore_trace'(_2079546, _2079548))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_2079546, _2079548))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2047814), _2079522, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_2047814)
   Call: (202) [system] atom_chars(_2047814, ['C'])
   Exit: (202) [system] atom_chars('C', ['C'])
^  Exit: (201) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _2087998)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _2089856)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _5072)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x56051b6b4f40), _8862)
   Exit: (200) [system] get_char((0x56051b6b4f40), ')')
   Call: (200) [system] _3544=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (199) [system] _3538=['C']
   Exit: (199) [system] ['C']=['C']
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (198) [system] _3514=[['AndLink', 'A', 'B'], 'C']
   Exit: (198) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (197) [system] _3506=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (197) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _22744)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _24602)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _33070)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _36860)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _22744=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _3502=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (195) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (194) [system] _3496=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (194) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (193) [system] _3488=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _50742)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _52600)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _59410)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _62114)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _71506)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _75220)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _77078)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _85546)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _75220)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _91116)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _99584)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _103298)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _105156)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _113624)
   Exit: (195) [system] get_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, _103298)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _123842)
   Call: (197) [system] peek_char((0x56051b6b4f40), _124776)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _123842=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _103298)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_134086, _134088), once(user:catch(read_from_chars([:], _103298), _134062, fail)), '$restore_trace'(_134086, _134088))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_134086, _134088))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _134062, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _141586)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _143444)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _150254)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _152958)
   Exit: (197) [system] peek_char((0x56051b6b4f40), c)
   Call: (197) [system] c=(;)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _162350)
   Exit: (195) [system] peek_char((0x56051b6b4f40), c)
   Call: (195) [system] c=')'
   Call: (195) [system] c=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _166064)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _167922)
   Exit: (197) [system] peek_char((0x56051b6b4f40), c)
   Call: (197) [system] c=(;)
^  Call: (197) [user] is_like_space(c)
   Call: (198) [system] char_type(c, 'white')
   Call: (198) [system] char_type(c, end_of_line)
   Call: (198) [system] char_type(c, space)
   Call: (198) [system] char_type(c, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _176390)
   Exit: (196) [system] get_char((0x56051b6b4f40), c)
   Call: (196) [system] c='('
   Call: (196) [system] c='['
   Call: (196) [system] c='{'
   Call: (196) [system] c='"'
   Call: (196) [system] c=!
   Call: (196) [system] c='\''
   Call: (196) [system] c='`'
   Call: (196) [system] c=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), c, _166064)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _186608)
   Call: (198) [system] peek_char((0x56051b6b4f40), _187542)
   Exit: (198) [system] peek_char((0x56051b6b4f40), d)
^  Call: (198) [user] is_delimiter(d)
   Call: (199) [system] char_type(d, space)
   Call: (199) [system] arg(_191334, v('(', ')', end_of_file), d)
   Call: (198) [system] ')'==d
   Call: (198) [system] get_char((0x56051b6b4f40), d)
   Exit: (198) [system] get_char((0x56051b6b4f40), d)
   Call: (198) [system] d=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _195904)
   Call: (199) [system] peek_char((0x56051b6b4f40), _196838)
   Exit: (199) [system] peek_char((0x56051b6b4f40), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_200630, v('(', ')', end_of_file), e)
   Call: (199) [system] ')'==e
   Call: (199) [system] get_char((0x56051b6b4f40), e)
   Exit: (199) [system] get_char((0x56051b6b4f40), e)
   Call: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _205200)
   Call: (200) [system] peek_char((0x56051b6b4f40), _206134)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _205200=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _195904=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (198) [system] _186608=[d, e]
   Exit: (198) [system] [d, e]=[d, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (197) [user] classify_and_convert_charseq(c, [d, e], _166064)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_221032, _221034), once(user:catch(read_from_chars([c, d, e], _166064), _221008, fail)), '$restore_trace'(_221032, _221034))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_221032, _221034))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _221008, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(cde)
   Exit: (198) [system] atomic(cde)
^  Exit: (197) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _228532)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _230390)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _237200)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _239904)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _249296)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _253010)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _254868)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _263336)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _253010)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _268906)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (199) [system] 'I'=(;)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _277374)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (198) [system] 'I'=')'
   Call: (198) [system] 'I'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _281088)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _282946)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (200) [system] 'I'=(;)
^  Call: (200) [user] is_like_space('I')
   Call: (201) [system] char_type('I', 'white')
   Call: (201) [system] char_type('I', end_of_line)
   Call: (201) [system] char_type('I', space)
   Call: (201) [system] char_type('I', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _291414)
   Exit: (199) [system] get_char((0x56051b6b4f40), 'I')
   Call: (199) [system] 'I'='('
   Call: (199) [system] 'I'='['
   Call: (199) [system] 'I'='{'
   Call: (199) [system] 'I'='"'
   Call: (199) [system] 'I'=!
   Call: (199) [system] 'I'='\''
   Call: (199) [system] 'I'='`'
   Call: (199) [system] 'I'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _281088)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _301632)
   Call: (201) [system] peek_char((0x56051b6b4f40), _302566)
   Exit: (201) [system] peek_char((0x56051b6b4f40), m)
^  Call: (201) [user] is_delimiter(m)
   Call: (202) [system] char_type(m, space)
   Call: (202) [system] arg(_306358, v('(', ')', end_of_file), m)
   Call: (201) [system] ')'==m
   Call: (201) [system] get_char((0x56051b6b4f40), m)
   Exit: (201) [system] get_char((0x56051b6b4f40), m)
   Call: (201) [system] m=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _310928)
   Call: (202) [system] peek_char((0x56051b6b4f40), _311862)
   Exit: (202) [system] peek_char((0x56051b6b4f40), p)
^  Call: (202) [user] is_delimiter(p)
   Call: (203) [system] char_type(p, space)
   Call: (203) [system] arg(_315654, v('(', ')', end_of_file), p)
   Call: (202) [system] ')'==p
   Call: (202) [system] get_char((0x56051b6b4f40), p)
   Exit: (202) [system] get_char((0x56051b6b4f40), p)
   Call: (202) [system] p=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _320224)
   Call: (203) [system] peek_char((0x56051b6b4f40), _321158)
   Exit: (203) [system] peek_char((0x56051b6b4f40), l)
^  Call: (203) [user] is_delimiter(l)
   Call: (204) [system] char_type(l, space)
   Call: (204) [system] arg(_324950, v('(', ')', end_of_file), l)
   Call: (203) [system] ')'==l
   Call: (203) [system] get_char((0x56051b6b4f40), l)
   Exit: (203) [system] get_char((0x56051b6b4f40), l)
   Call: (203) [system] l=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _329520)
   Call: (204) [system] peek_char((0x56051b6b4f40), _330454)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_334246, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _338816)
   Call: (205) [system] peek_char((0x56051b6b4f40), _339750)
   Exit: (205) [system] peek_char((0x56051b6b4f40), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_343542, v('(', ')', end_of_file), c)
   Call: (205) [system] ')'==c
   Call: (205) [system] get_char((0x56051b6b4f40), c)
   Exit: (205) [system] get_char((0x56051b6b4f40), c)
   Call: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _348112)
   Call: (206) [system] peek_char((0x56051b6b4f40), _349046)
   Exit: (206) [system] peek_char((0x56051b6b4f40), a)
^  Call: (206) [user] is_delimiter(a)
   Call: (207) [system] char_type(a, space)
   Call: (207) [system] arg(_352838, v('(', ')', end_of_file), a)
   Call: (206) [system] ')'==a
   Call: (206) [system] get_char((0x56051b6b4f40), a)
   Exit: (206) [system] get_char((0x56051b6b4f40), a)
   Call: (206) [system] a=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _357408)
   Call: (207) [system] peek_char((0x56051b6b4f40), _358342)
   Exit: (207) [system] peek_char((0x56051b6b4f40), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_362134, v('(', ')', end_of_file), t)
   Call: (207) [system] ')'==t
   Call: (207) [system] get_char((0x56051b6b4f40), t)
   Exit: (207) [system] get_char((0x56051b6b4f40), t)
   Call: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _366704)
   Call: (208) [system] peek_char((0x56051b6b4f40), _367638)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_371430, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _376000)
   Call: (209) [system] peek_char((0x56051b6b4f40), _376934)
   Exit: (209) [system] peek_char((0x56051b6b4f40), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_380726, v('(', ')', end_of_file), o)
   Call: (209) [system] ')'==o
   Call: (209) [system] get_char((0x56051b6b4f40), o)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _385296)
   Call: (210) [system] peek_char((0x56051b6b4f40), _386230)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_390022, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _394592)
   Call: (211) [system] peek_char((0x56051b6b4f40), _395526)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _394592=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _385296=[n]
   Exit: (210) [system] [n]=[n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (209) [system] _376000=[o, n]
   Exit: (209) [system] [o, n]=[o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (208) [system] _366704=[i, o, n]
   Exit: (208) [system] [i, o, n]=[i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (207) [system] _357408=[t, i, o, n]
   Exit: (207) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (206) [system] _348112=[a, t, i, o, n]
   Exit: (206) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (205) [system] _338816=[c, a, t, i, o, n]
   Exit: (205) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (204) [system] _329520=[i, c, a, t, i, o, n]
   Exit: (204) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (203) [system] _320224=[l, i, c, a, t, i, o, n]
   Exit: (203) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (202) [system] _310928=[p, l, i, c, a, t, i, o, n]
   Exit: (202) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (201) [system] _301632=[m, p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _281088)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_432776, _432778), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _281088), _432752, fail)), '$restore_trace'(_432776, _432778))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_432776, _432778))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _281088), _432752, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_281088)
   Call: (201) [system] atom_chars(_281088, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (201) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _441228)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _443086)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _449896)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _452600)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _461992)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _465706)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _467564)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _476032)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _465706)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _481602)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (202) [system] 'O'=(;)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _490070)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _493784)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _495642)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (203) [system] 'O'=(;)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _504110)
   Exit: (202) [system] get_char((0x56051b6b4f40), 'O')
   Call: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _493784)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _514328)
   Call: (204) [system] peek_char((0x56051b6b4f40), _515262)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_519054, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _523624)
   Call: (205) [system] peek_char((0x56051b6b4f40), _524558)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_528350, v('(', ')', end_of_file), 'L')
   Call: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (205) [system] get_char((0x56051b6b4f40), 'L')
   Call: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _532920)
   Call: (206) [system] peek_char((0x56051b6b4f40), _533854)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_537646, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _542216)
   Call: (207) [system] peek_char((0x56051b6b4f40), _543150)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_546942, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _551512)
   Call: (208) [system] peek_char((0x56051b6b4f40), _552446)
   Exit: (208) [system] peek_char((0x56051b6b4f40), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_556238, v('(', ')', end_of_file), k)
   Call: (208) [system] ')'==k
   Call: (208) [system] get_char((0x56051b6b4f40), k)
   Exit: (208) [system] get_char((0x56051b6b4f40), k)
   Call: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _560808)
   Call: (209) [system] peek_char((0x56051b6b4f40), _561742)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _560808=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _551512=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (207) [system] _542216=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (206) [system] _532920=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (205) [system] _523624=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (204) [system] _514328=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _493784)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_585022, _585024), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _493784), _584998, fail)), '$restore_trace'(_585022, _585024))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_585022, _585024))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _493784), _584998, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_493784)
   Call: (204) [system] atom_chars(_493784, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _593474)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _595332)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _602142)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _604846)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _614238)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (202) [system] 'C'=')'
   Call: (202) [system] 'C'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _617952)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _619810)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (204) [system] 'C'=(;)
^  Call: (204) [user] is_like_space('C')
   Call: (205) [system] char_type('C', 'white')
   Call: (205) [system] char_type('C', end_of_line)
   Call: (205) [system] char_type('C', space)
   Call: (205) [system] char_type('C', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _628278)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'C')
   Call: (203) [system] 'C'='('
   Call: (203) [system] 'C'='['
   Call: (203) [system] 'C'='{'
   Call: (203) [system] 'C'='"'
   Call: (203) [system] 'C'=!
   Call: (203) [system] 'C'='\''
   Call: (203) [system] 'C'='`'
   Call: (203) [system] 'C'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _617952)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638496)
   Call: (205) [system] peek_char((0x56051b6b4f40), _639430)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _638496=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (204) [user] classify_and_convert_charseq('C', [], _617952)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_648740, _648742), once(user:catch(read_from_chars(['C'], _617952), _648716, fail)), '$restore_trace'(_648740, _648742))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_648740, _648742))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _617952), _648716, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_617952)
   Call: (205) [system] atom_chars(_617952, ['C'])
   Exit: (205) [system] atom_chars('C', ['C'])
^  Exit: (204) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _657192)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _659050)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _665860)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _668564)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _677956)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _681670)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _683528)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _691996)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'D')
   Call: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _681670)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _702214)
   Call: (206) [system] peek_char((0x56051b6b4f40), _703148)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_706940, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _702214=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (205) [user] classify_and_convert_charseq('D', [], _681670)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_713402, _713404), once(user:catch(read_from_chars(['D'], _681670), _713378, fail)), '$restore_trace'(_713402, _713404))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_713402, _713404))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _681670), _713378, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_681670)
   Call: (206) [system] atom_chars(_681670, ['D'])
   Exit: (206) [system] atom_chars('D', ['D'])
^  Exit: (205) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _721854)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _723712)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _732180)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _735970)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _721854=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _657192=['D']
   Exit: (203) [system] ['D']=['D']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (202) [system] _593474=['C', 'D']
   Exit: (202) [system] ['C', 'D']=['C', 'D']
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (201) [system] _465706=['OrLink', 'C', 'D']
   Exit: (201) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _749852)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _751710)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _758520)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _761224)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (202) [system] 'E'=(;)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _770616)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (200) [system] 'E'=')'
   Call: (200) [system] 'E'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _774330)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _776188)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (202) [system] 'E'=(;)
^  Call: (202) [user] is_like_space('E')
   Call: (203) [system] char_type('E', 'white')
   Call: (203) [system] char_type('E', end_of_line)
   Call: (203) [system] char_type('E', space)
   Call: (203) [system] char_type('E', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _784656)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'E')
   Call: (201) [system] 'E'='('
   Call: (201) [system] 'E'='['
   Call: (201) [system] 'E'='{'
   Call: (201) [system] 'E'='"'
   Call: (201) [system] 'E'=!
   Call: (201) [system] 'E'='\''
   Call: (201) [system] 'E'='`'
   Call: (201) [system] 'E'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _774330)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _794874)
   Call: (203) [system] peek_char((0x56051b6b4f40), _795808)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_799600, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _794874=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq('E', [], _774330)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_806062, _806064), once(user:catch(read_from_chars(['E'], _774330), _806038, fail)), '$restore_trace'(_806062, _806064))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_806062, _806064))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _774330), _806038, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_774330)
   Call: (203) [system] atom_chars(_774330, ['E'])
   Exit: (203) [system] atom_chars('E', ['E'])
^  Exit: (202) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _814514)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _816372)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _824840)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _828630)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _814514=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _749852=['E']
   Exit: (200) [system] ['E']=['E']
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (199) [system] _441228=[['OrLink', 'C', 'D'], 'E']
   Exit: (199) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (198) [system] _253010=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _842512)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _844370)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _852838)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _856628)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _842512=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _228532=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (196) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (195) [system] _141586=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _75220=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _870510)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _872368)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _880836)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _884626)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _870510=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _50742=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (192) [system] [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (191) [system] _3484=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (191) [system] [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (190) [system] _3460=[[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (190) [system] [[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [[:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (189) [system] _3434=[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (189) [system] [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (187) [user] cont_sexpr(')', (0x56051b6b4f40), [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _901302)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _903160)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ')')
   Call: (189) [system] ')'=(;)
^  Call: (189) [user] is_like_space(')')
   Call: (190) [system] char_type(')', 'white')
   Call: (190) [system] char_type(')', end_of_line)
   Call: (190) [system] char_type(')', space)
   Call: (190) [system] char_type(')', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _911628)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ')')
   Call: (188) [system] ')'=')'
   Exit: (188) [system] ')'=')'
   Call: (188) [system] get_char((0x56051b6b4f40), _915418)
   Exit: (188) [system] get_char((0x56051b6b4f40), ')')
   Call: (188) [system] _901302=[]
   Exit: (188) [system] []=[]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (187) [system] _3430=[[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (187) [system] [[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (186) [user] read_list(')', (0x56051b6b4f40), [[[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (186) [system] _3368=[[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (186) [system] [[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (185) [user] read_list(')', (0x56051b6b4f40), [[synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (185) [system] _3360=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (185) [system] [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (184) [user] read_list(')', (0x56051b6b4f40), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (183) [user] cont_sexpr(')', (0x56051b6b4f40), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (182) [user] read_sexpr((0x56051b6b4f40), [assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (182) [system] _3324=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Exit: (182) [system] exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])=exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (181) [user] cont_sexpr(')', (0x56051b6b4f40), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Exit: (180) [user] read_sexpr((0x56051b6b4f40), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]))
^  Call: (180) [user] assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))
^  Exit: (180) [user] assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))
^  Exit: (178) [system] once(user:(read_position((0x56051b6b4f40), 155, 0, 7568, '$stream_position'(7568, 155, 0, 7568)), read_sexpr((0x56051b6b4f40), exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]])), assertz(metta_file_comment(155, 0, 7568, exec([assertEqualToResult, [synthesize, [:, _term, _type], kb, rb, 'Z'], [[:, a, 'A'], [:, a, 'B'], [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']], [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]]]), '$stream_position'(7568, 155, 0, 7568)))))
   Call: (178) [system] fail
^  Call: (178) [user] retract(metta_file_comment(_937656, _937658, _937660, _937662, _937664))
^  Exit: (178) [user] retract(metta_file_comment(83, 0, 3311, '$COMMENT'(";; Quintenary rule", 83, 0), '$stream_position'(3311, 83, 0, 3311)))
^  Call: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _3084)
^  Call: (179) [user] once(call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _940492))
^  Call: (180) [user] call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), _940492)
^  Call: (181) [user] untyped_to_metta('$COMMENT'(";; Quintenary rule", 83, 0), _940492)
^  Call: (182) [user] must_det_ll(trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _943308))
^  Call: (183) [user] once(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _943308))
^  Call: (184) [user] trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _943308)
^  Call: (185) [user] once(call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _946108))
^  Call: (186) [user] call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), _946108)
^  Call: (187) [user] mfix_vars1('$COMMENT'(";; Quintenary rule", 83, 0), _946108)
   Call: (188) [system] var('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] atom('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==true
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==false
   Call: (188) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==[_952628, _952634]
   Call: (188) [system] is_list('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] string('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] compound('$COMMENT'(";; Quintenary rule", 83, 0))
   Exit: (188) [system] compound('$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), _957262, _957264)
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT', [";; Quintenary rule", 83, 0])
   Call: (188) [system] '$COMMENT'\=='$VAR'
   Exit: (188) [system] '$COMMENT'\=='$VAR'
^  Call: (188) [user] apply:maplist(mfix_vars1, [";; Quintenary rule", 83, 0], _961004)
   Call: (189) [apply] apply:maplist_([";; Quintenary rule", 83, 0], _961004, user:mfix_vars1)
^  Call: (190) [user] mfix_vars1(";; Quintenary rule", _962884)
   Call: (191) [system] var(";; Quintenary rule")
   Call: (191) [system] atom(";; Quintenary rule")
   Call: (191) [system] ";; Quintenary rule"==true
   Call: (191) [system] ";; Quintenary rule"==false
   Call: (191) [system] ";; Quintenary rule"==[_967526, _967532]
   Call: (191) [system] is_list(";; Quintenary rule")
   Call: (191) [system] string(";; Quintenary rule")
   Exit: (191) [system] string(";; Quintenary rule")
^  Call: (191) [user] string_to_syms
   Call: (192) [system] fail
   Call: (191) [system] compound(";; Quintenary rule")
^  Call: (191) [user] symbol(";; Quintenary rule")
   Call: (192) [system] atom(";; Quintenary rule")
   Fail: (192) [system] atom(";; Quintenary rule")
^  Fail: (191) [user] symbol(";; Quintenary rule")
   Call: (191) [system] ";; Quintenary rule"=_962884
   Exit: (191) [system] ";; Quintenary rule"=";; Quintenary rule"
^  Exit: (190) [user] mfix_vars1(";; Quintenary rule", ";; Quintenary rule")
   Call: (190) [apply] apply:maplist_([83, 0], _962886, user:mfix_vars1)
^  Call: (191) [user] mfix_vars1(83, _981406)
   Call: (192) [system] var(83)
   Call: (192) [system] atom(83)
   Call: (192) [system] 83==true
   Call: (192) [system] 83==false
   Call: (192) [system] 83==[_986048, _986054]
   Call: (192) [system] is_list(83)
   Call: (192) [system] string(83)
   Call: (192) [system] compound(83)
^  Call: (192) [user] symbol(83)
   Call: (193) [system] atom(83)
   Fail: (193) [system] atom(83)
^  Fail: (192) [user] symbol(83)
   Call: (192) [system] 83=_981406
   Exit: (192) [system] 83=83
^  Exit: (191) [user] mfix_vars1(83, 83)
   Call: (191) [apply] apply:maplist_([0], _981408, user:mfix_vars1)
^  Call: (192) [user] mfix_vars1(0, _997172)
   Call: (193) [system] var(0)
   Call: (193) [system] atom(0)
   Call: (193) [system] 0==true
   Call: (193) [system] 0==false
   Call: (193) [system] 0==[_1001814, _1001820]
   Call: (193) [system] is_list(0)
   Call: (193) [system] string(0)
   Call: (193) [system] compound(0)
^  Call: (193) [user] symbol(0)
   Call: (194) [system] atom(0)
   Fail: (194) [system] atom(0)
^  Fail: (193) [user] symbol(0)
   Call: (193) [system] 0=_997172
   Exit: (193) [system] 0=0
^  Exit: (192) [user] mfix_vars1(0, 0)
   Call: (192) [apply] apply:maplist_([], _997174, user:mfix_vars1)
   Exit: (192) [apply] apply:maplist_([], [], user:mfix_vars1)
   Exit: (191) [apply] apply:maplist_([0], [0], user:mfix_vars1)
   Exit: (190) [apply] apply:maplist_([83, 0], [83, 0], user:mfix_vars1)
   Exit: (189) [apply] apply:maplist_([";; Quintenary rule", 83, 0], [";; Quintenary rule", 83, 0], user:mfix_vars1)
^  Exit: (188) [apply] apply:maplist(user:mfix_vars1, [";; Quintenary rule", 83, 0], [";; Quintenary rule", 83, 0])
   Call: (188) [system] compound_name_arguments(_946108, '$COMMENT', [";; Quintenary rule", 83, 0])
   Exit: (188) [system] compound_name_arguments('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT', [";; Quintenary rule", 83, 0])
^  Exit: (187) [user] mfix_vars1('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(mfix_vars1, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _1025990))
^  Call: (183) [user] once(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _1025990))
^  Call: (184) [user] trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _1025990)
^  Call: (185) [user] once(call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _1028790))
^  Call: (186) [user] call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), _1028790)
^  Call: (187) [user] cons_to_c('$COMMENT'(";; Quintenary rule", 83, 0), _1028790)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_c('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_c, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Call: (182) [user] must_det_ll(trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _940492))
^  Call: (183) [user] once(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _940492))
^  Call: (184) [user] trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _940492)
^  Call: (185) [user] once(call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _1042748))
^  Call: (186) [user] call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), _1042748)
^  Call: (187) [user] cons_to_l('$COMMENT'(";; Quintenary rule", 83, 0), _1042748)
^  Call: (188) [user] no_cons_reduce
^  Exit: (188) [user] no_cons_reduce
^  Exit: (187) [user] cons_to_l('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (186) [system] call(user:cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (185) [system] once(user:call(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (185) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (184) [user] trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (183) [system] once(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (182) [user] must_det_ll(user:trly(cons_to_l, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (181) [user] untyped_to_metta('$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (180) [system] call(user:untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (179) [system] once(user:call(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (179) [system] '$COMMENT'(";; Quintenary rule", 83, 0)\=@='$COMMENT'(";; Quintenary rule", 83, 0)
^  Exit: (178) [user] trly(untyped_to_metta, '$COMMENT'(";; Quintenary rule", 83, 0), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))))
   Exit: (177) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))))
^  Exit: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))
   Call: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))))
   Exit: (173) [user] nop(wdmsg(new_parse_sexpr_metta_IO1((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))))
^  Exit: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (171) [user] read_sform((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0))
^  Exit: (170) [system] once(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0)))
^  Exit: (169) [user] must_det_ll(user:read_sform((0x56051b6b4f40), '$COMMENT'(";; Quintenary rule", 83, 0)))
   Call: (169) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==end_of_file
   Fail: (169) [system] '$COMMENT'(";; Quintenary rule", 83, 0)==end_of_file
^  Call: (169) [user] once((if_t((get_time(_3134), arg(1, t(1726792646.5077834), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792646.5077834), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, _3246, _3246+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Quintenary rule", 83, 0), nthesize_long_1726792630_1772065, 153)))
^  Call: (171) [user] if_t((get_time(_3134), arg(1, t(1726792646.5077834), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792646.5077834), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column))
   Call: (173) [system] get_time(_3134)
   Exit: (173) [system] get_time(1726792647.078916)
   Call: (173) [system] arg(1, t(1726792646.5077834), _3148)
   Exit: (173) [system] arg(1, t(1726792646.5077834), 1726792646.5077834)
   Call: (173) [system] _3158 is 1726792647.078916-1726792646.5077834
   Exit: (173) [system] 0.5711326599121094 is 1726792647.078916-1726792646.5077834
   Call: (173) [system] 0.5711326599121094>4
   Fail: (173) [system] 0.5711326599121094>4
^  Exit: (171) [user] if_t((get_time(_3134), arg(1, t(1726792646.5077834), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792646.5077834), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column))
   Call: (171) [$syspreds] flag(translated_forms, _3246, _3246+1)
   Call: (172) [system] _3246==_3246+1
^  Call: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, _3246, _3246+1))
   Call: (174) [$syspreds] update_flag(translated_forms, _3246, _3246+1)
   Call: (175) [system] get_flag(translated_forms, _3246)
   Exit: (175) [system] get_flag(translated_forms, 26)
   Call: (175) [system] atom(26+1)
   Call: (175) [system] set_flag(translated_forms, 27)
   Exit: (175) [system] set_flag(translated_forms, 27)
   Exit: (174) [$syspreds] update_flag(translated_forms, 26, 26+1)
^  Exit: (172) [$syspreds] with_mutex('$flag', update_flag(translated_forms, 26, 26+1))
   Exit: (171) [$syspreds] flag(translated_forms, 26, 26+1)
^  Call: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Quintenary rule", 83, 0), nthesize_long_1726792630_1772065, 153)
^  Call: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Quintenary rule"])
^  Exit: (172) [user] format((0x56051b673910), "/* ~w */~n", [";; Quintenary rule"])
^  Exit: (171) [user] write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Quintenary rule", 83, 0), nthesize_long_1726792630_1772065, 153)
^  Exit: (169) [system] once(user:(if_t((get_time(_3134), arg(1, t(1726792646.5077834), _3148), _3158 is _3134-_3148, _3158>4), (nb_setarg(1, t(1726792646.5077834), _3134), move_cursor_to_first_column, format(user_error, '; ~@ ; line: ~w ', [write_src_woi('$COMMENT'(";; Quintenary rule", 83, 0)), 153]), write(user_error, ''), move_cursor_to_first_column)), flag(translated_forms, 26, 26+1), write_metta_datalog_term((0x56051b673910), '$COMMENT'(";; Quintenary rule", 83, 0), nthesize_long_1726792630_1772065, 153)))
   Call: (169) [system] fail
   Fail: (169) [system] fail
   Exit: (169) [system] repeat
   Call: (169) [system] at_end_of_stream((0x56051b6b4f40))
   Fail: (169) [system] at_end_of_stream((0x56051b6b4f40))
^  Call: (169) [user] must_det_ll(line_count((0x56051b6b4f40), _3074))
^  Call: (170) [user] once(user:line_count((0x56051b6b4f40), _3074))
   Call: (171) [system] line_count((0x56051b6b4f40), _3074)
   Exit: (171) [system] line_count((0x56051b6b4f40), 157)
^  Exit: (170) [system] once(user:line_count((0x56051b6b4f40), 157))
^  Exit: (169) [user] must_det_ll(user:line_count((0x56051b6b4f40), 157))
^  Call: (169) [user] must_det_ll(read_sform((0x56051b6b4f40), _3084))
^  Call: (170) [user] once(user:read_sform((0x56051b6b4f40), _3084))
^  Call: (171) [user] read_sform((0x56051b6b4f40), _3084)
   Call: (172) [system] string((0x56051b6b4f40))
^  Call: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (173) [system] string((0x56051b6b4f40))
^  Exit: (172) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (172) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (173) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (174) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (174) [system] peek_char((0x56051b6b4f40), _1118460)
   Exit: (174) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (174) [system] char_type('\n', space)
   Exit: (174) [system] char_type('\n', space)
   Call: (174) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (174) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (174) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (175) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (175) [system] peek_char((0x56051b6b4f40), _1125882)
   Exit: (175) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (175) [system] char_type('\n', space)
   Exit: (175) [system] char_type('\n', space)
   Call: (175) [system] get_char((0x56051b6b4f40), '\n')
   Exit: (175) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (175) [user] parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
   Call: (176) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (176) [system] peek_char((0x56051b6b4f40), _1133304)
   Exit: (176) [system] peek_char((0x56051b6b4f40), ;)
   Call: (176) [system] char_type(;, space)
^  Call: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
   Call: (177) [system] string((0x56051b6b4f40))
^  Exit: (176) [user] use_new_parse_sexpr_metta_IO((0x56051b6b4f40))
^  Call: (176) [user] new_parse_sexpr_metta_IO((0x56051b6b4f40), _3084)
^  Call: (177) [user] new_parse_sexpr_metta_IO1((0x56051b6b4f40), _3084)
   Call: (178) [system] at_end_of_stream((0x56051b6b4f40))
   Call: (178) [system] peek_char((0x56051b6b4f40), _1141642)
   Exit: (178) [system] peek_char((0x56051b6b4f40), ;)
   Call: (178) [system] char_type(;, space)
   Call: (178) [system] _1144428=(0x56051b6b4f40)
   Exit: (178) [system] (0x56051b6b4f40)=(0x56051b6b4f40)
^  Call: (178) [user] once((read_position((0x56051b6b4f40), _1146296, _1146298, _1146300, _1146302), read_sexpr((0x56051b6b4f40), _1146314), assertz(metta_file_comment(_1146296, _1146298, _1146300, _1146314, _1146302))))
^  Call: (180) [user] read_position((0x56051b6b4f40), _1146296, _1146298, _1146300, _1146302)
   Call: (181) [system] stream_property((0x56051b6b4f40), position(_1146302))
   Call: (182) [system] nonvar((0x56051b6b4f40))
   Exit: (182) [system] nonvar((0x56051b6b4f40))
   Call: (182) [system] nonvar(position(_1146302))
   Exit: (182) [system] nonvar(position(_1146302))
   Exit: (181) [system] stream_property((0x56051b6b4f40), position('$stream_position'(7727, 159, 0, 7727)))
   Call: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), _1146296)
   Call: (182) [system] nonvar(line_count)
   Exit: (182) [system] nonvar(line_count)
   Call: (182) [$syspreds] stream_position_field(line_count, _1156554)
   Exit: (182) [$syspreds] stream_position_field(line_count, 2)
   Call: (182) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), _1146296)
   Exit: (182) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), 159)
   Exit: (181) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), 159)
   Call: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), _1146298)
   Call: (182) [system] nonvar(line_position)
   Exit: (182) [system] nonvar(line_position)
   Call: (182) [$syspreds] stream_position_field(line_position, _1163988)
   Exit: (182) [$syspreds] stream_position_field(line_position, 3)
   Call: (182) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), _1146298)
   Exit: (182) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), 0)
   Exit: (181) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), 0)
   Call: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), _1146300)
   Call: (182) [system] nonvar(char_count)
   Exit: (182) [system] nonvar(char_count)
   Call: (182) [$syspreds] stream_position_field(char_count, _1171422)
   Exit: (182) [$syspreds] stream_position_field(char_count, 1)
   Call: (182) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), _1146300)
   Exit: (182) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), 7727)
   Exit: (181) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), 7727)
^  Exit: (180) [user] read_position((0x56051b6b4f40), 159, 0, 7727, '$stream_position'(7727, 159, 0, 7727))
^  Call: (180) [user] read_sexpr((0x56051b6b4f40), _1146314)
   Call: (181) [system] string((0x56051b6b4f40))
^  Call: (181) [user] cont_sexpr(')', (0x56051b6b4f40), _1146314)
^  Call: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (183) [system] peek_char((0x56051b6b4f40), _1180724)
   Exit: (183) [system] peek_char((0x56051b6b4f40), ;)
   Call: (183) [system] (;)=(;)
   Exit: (183) [system] (;)=(;)
^  Call: (183) [user] read_comment((0x56051b6b4f40))
^  Call: (184) [user] read_position((0x56051b6b4f40), _1185362, _1185364, _1185366, _1185368)
   Call: (185) [system] stream_property((0x56051b6b4f40), position(_1185368))
   Call: (186) [system] nonvar((0x56051b6b4f40))
   Exit: (186) [system] nonvar((0x56051b6b4f40))
   Call: (186) [system] nonvar(position(_1185368))
   Exit: (186) [system] nonvar(position(_1185368))
   Exit: (185) [system] stream_property((0x56051b6b4f40), position('$stream_position'(7727, 159, 0, 7727)))
   Call: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), _1185362)
   Call: (186) [system] nonvar(line_count)
   Exit: (186) [system] nonvar(line_count)
   Call: (186) [$syspreds] stream_position_field(line_count, _1194656)
   Exit: (186) [$syspreds] stream_position_field(line_count, 2)
   Call: (186) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), _1185362)
   Exit: (186) [system] arg(2, '$stream_position'(7727, 159, 0, 7727), 159)
   Exit: (185) [$syspreds] stream_position_data(line_count, '$stream_position'(7727, 159, 0, 7727), 159)
   Call: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), _1185364)
   Call: (186) [system] nonvar(line_position)
   Exit: (186) [system] nonvar(line_position)
   Call: (186) [$syspreds] stream_position_field(line_position, _1202090)
   Exit: (186) [$syspreds] stream_position_field(line_position, 3)
   Call: (186) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), _1185364)
   Exit: (186) [system] arg(3, '$stream_position'(7727, 159, 0, 7727), 0)
   Exit: (185) [$syspreds] stream_position_data(line_position, '$stream_position'(7727, 159, 0, 7727), 0)
   Call: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), _1185366)
   Call: (186) [system] nonvar(char_count)
   Exit: (186) [system] nonvar(char_count)
   Call: (186) [$syspreds] stream_position_field(char_count, _1209524)
   Exit: (186) [$syspreds] stream_position_field(char_count, 1)
   Call: (186) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), _1185366)
   Exit: (186) [system] arg(1, '$stream_position'(7727, 159, 0, 7727), 7727)
   Exit: (185) [$syspreds] stream_position_data(char_count, '$stream_position'(7727, 159, 0, 7727), 7727)
^  Exit: (184) [user] read_position((0x56051b6b4f40), 159, 0, 7727, '$stream_position'(7727, 159, 0, 7727))
^  Call: (184) [user] read_until_eol((0x56051b6b4f40), _1215118)
   Call: (185) [system] get_char((0x56051b6b4f40), _1216048)
   Exit: (185) [system] get_char((0x56051b6b4f40), ;)
   Call: (185) [system] char_type(;, end_of_line)
   Call: (185) [system] (;)=end_of_file
^  Call: (185) [user] read_until_eol((0x56051b6b4f40), _1219762)
   Call: (186) [system] get_char((0x56051b6b4f40), _1220692)
   Exit: (186) [system] get_char((0x56051b6b4f40), ;)
   Call: (186) [system] char_type(;, end_of_line)
   Call: (186) [system] (;)=end_of_file
^  Call: (186) [user] read_until_eol((0x56051b6b4f40), _1224406)
   Call: (187) [system] get_char((0x56051b6b4f40), _1225336)
   Exit: (187) [system] get_char((0x56051b6b4f40), ' ')
   Call: (187) [system] char_type(' ', end_of_line)
   Call: (187) [system] ' '=end_of_file
^  Call: (187) [user] read_until_eol((0x56051b6b4f40), _1229050)
   Call: (188) [system] get_char((0x56051b6b4f40), _1229980)
   Exit: (188) [system] get_char((0x56051b6b4f40), t)
   Call: (188) [system] char_type(t, end_of_line)
   Call: (188) [system] t=end_of_file
^  Call: (188) [user] read_until_eol((0x56051b6b4f40), _1233694)
   Call: (189) [system] get_char((0x56051b6b4f40), _1234624)
   Exit: (189) [system] get_char((0x56051b6b4f40), a)
   Call: (189) [system] char_type(a, end_of_line)
   Call: (189) [system] a=end_of_file
^  Call: (189) [user] read_until_eol((0x56051b6b4f40), _1238338)
   Call: (190) [system] get_char((0x56051b6b4f40), _1239268)
   Exit: (190) [system] get_char((0x56051b6b4f40), k)
   Call: (190) [system] char_type(k, end_of_line)
   Call: (190) [system] k=end_of_file
^  Call: (190) [user] read_until_eol((0x56051b6b4f40), _1242982)
   Call: (191) [system] get_char((0x56051b6b4f40), _1243912)
   Exit: (191) [system] get_char((0x56051b6b4f40), e)
   Call: (191) [system] char_type(e, end_of_line)
   Call: (191) [system] e=end_of_file
^  Call: (191) [user] read_until_eol((0x56051b6b4f40), _1247626)
   Call: (192) [system] get_char((0x56051b6b4f40), _1248556)
   Exit: (192) [system] get_char((0x56051b6b4f40), s)
   Call: (192) [system] char_type(s, end_of_line)
   Call: (192) [system] s=end_of_file
^  Call: (192) [user] read_until_eol((0x56051b6b4f40), _1252270)
   Call: (193) [system] get_char((0x56051b6b4f40), _1253200)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
   Call: (193) [system] char_type(' ', end_of_line)
   Call: (193) [system] ' '=end_of_file
^  Call: (193) [user] read_until_eol((0x56051b6b4f40), _1256914)
   Call: (194) [system] get_char((0x56051b6b4f40), _1257844)
   Exit: (194) [system] get_char((0x56051b6b4f40), a)
   Call: (194) [system] char_type(a, end_of_line)
   Call: (194) [system] a=end_of_file
^  Call: (194) [user] read_until_eol((0x56051b6b4f40), _1261558)
   Call: (195) [system] get_char((0x56051b6b4f40), _1262488)
   Exit: (195) [system] get_char((0x56051b6b4f40), b)
   Call: (195) [system] char_type(b, end_of_line)
   Call: (195) [system] b=end_of_file
^  Call: (195) [user] read_until_eol((0x56051b6b4f40), _1266202)
   Call: (196) [system] get_char((0x56051b6b4f40), _1267132)
   Exit: (196) [system] get_char((0x56051b6b4f40), o)
   Call: (196) [system] char_type(o, end_of_line)
   Call: (196) [system] o=end_of_file
^  Call: (196) [user] read_until_eol((0x56051b6b4f40), _1270846)
   Call: (197) [system] get_char((0x56051b6b4f40), _1271776)
   Exit: (197) [system] get_char((0x56051b6b4f40), u)
   Call: (197) [system] char_type(u, end_of_line)
   Call: (197) [system] u=end_of_file
^  Call: (197) [user] read_until_eol((0x56051b6b4f40), _1275490)
   Call: (198) [system] get_char((0x56051b6b4f40), _1276420)
   Exit: (198) [system] get_char((0x56051b6b4f40), t)
   Call: (198) [system] char_type(t, end_of_line)
   Call: (198) [system] t=end_of_file
^  Call: (198) [user] read_until_eol((0x56051b6b4f40), _1280134)
   Call: (199) [system] get_char((0x56051b6b4f40), _1281064)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
   Call: (199) [system] char_type(' ', end_of_line)
   Call: (199) [system] ' '=end_of_file
^  Call: (199) [user] read_until_eol((0x56051b6b4f40), _1284778)
   Call: (200) [system] get_char((0x56051b6b4f40), _1285708)
   Exit: (200) [system] get_char((0x56051b6b4f40), '1')
   Call: (200) [system] char_type('1', end_of_line)
   Call: (200) [system] '1'=end_of_file
^  Call: (200) [user] read_until_eol((0x56051b6b4f40), _1289422)
   Call: (201) [system] get_char((0x56051b6b4f40), _1290352)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
   Call: (201) [system] char_type(' ', end_of_line)
   Call: (201) [system] ' '=end_of_file
^  Call: (201) [user] read_until_eol((0x56051b6b4f40), _1294066)
   Call: (202) [system] get_char((0x56051b6b4f40), _1294996)
   Exit: (202) [system] get_char((0x56051b6b4f40), m)
   Call: (202) [system] char_type(m, end_of_line)
   Call: (202) [system] m=end_of_file
^  Call: (202) [user] read_until_eol((0x56051b6b4f40), _1298710)
   Call: (203) [system] get_char((0x56051b6b4f40), _1299640)
   Exit: (203) [system] get_char((0x56051b6b4f40), i)
   Call: (203) [system] char_type(i, end_of_line)
   Call: (203) [system] i=end_of_file
^  Call: (203) [user] read_until_eol((0x56051b6b4f40), _1303354)
   Call: (204) [system] get_char((0x56051b6b4f40), _1304284)
   Exit: (204) [system] get_char((0x56051b6b4f40), n)
   Call: (204) [system] char_type(n, end_of_line)
   Call: (204) [system] n=end_of_file
^  Call: (204) [user] read_until_eol((0x56051b6b4f40), _1307998)
   Call: (205) [system] get_char((0x56051b6b4f40), _1308928)
   Exit: (205) [system] get_char((0x56051b6b4f40), u)
   Call: (205) [system] char_type(u, end_of_line)
   Call: (205) [system] u=end_of_file
^  Call: (205) [user] read_until_eol((0x56051b6b4f40), _1312642)
   Call: (206) [system] get_char((0x56051b6b4f40), _1313572)
   Exit: (206) [system] get_char((0x56051b6b4f40), t)
   Call: (206) [system] char_type(t, end_of_line)
   Call: (206) [system] t=end_of_file
^  Call: (206) [user] read_until_eol((0x56051b6b4f40), _1317286)
   Call: (207) [system] get_char((0x56051b6b4f40), _1318216)
   Exit: (207) [system] get_char((0x56051b6b4f40), e)
   Call: (207) [system] char_type(e, end_of_line)
   Call: (207) [system] e=end_of_file
^  Call: (207) [user] read_until_eol((0x56051b6b4f40), _1321930)
   Call: (208) [system] get_char((0x56051b6b4f40), _1322860)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
   Call: (208) [system] char_type(' ', end_of_line)
   Call: (208) [system] ' '=end_of_file
^  Call: (208) [user] read_until_eol((0x56051b6b4f40), _1326574)
   Call: (209) [system] get_char((0x56051b6b4f40), _1327504)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] char_type(o, end_of_line)
   Call: (209) [system] o=end_of_file
^  Call: (209) [user] read_until_eol((0x56051b6b4f40), _1331218)
   Call: (210) [system] get_char((0x56051b6b4f40), _1332148)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] char_type(n, end_of_line)
   Call: (210) [system] n=end_of_file
^  Call: (210) [user] read_until_eol((0x56051b6b4f40), _1335862)
   Call: (211) [system] get_char((0x56051b6b4f40), _1336792)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
   Call: (211) [system] char_type(' ', end_of_line)
   Call: (211) [system] ' '=end_of_file
^  Call: (211) [user] read_until_eol((0x56051b6b4f40), _1340506)
   Call: (212) [system] get_char((0x56051b6b4f40), _1341436)
   Exit: (212) [system] get_char((0x56051b6b4f40), r)
   Call: (212) [system] char_type(r, end_of_line)
   Call: (212) [system] r=end_of_file
^  Call: (212) [user] read_until_eol((0x56051b6b4f40), _1345150)
   Call: (213) [system] get_char((0x56051b6b4f40), _1346080)
   Exit: (213) [system] get_char((0x56051b6b4f40), u)
   Call: (213) [system] char_type(u, end_of_line)
   Call: (213) [system] u=end_of_file
^  Call: (213) [user] read_until_eol((0x56051b6b4f40), _1349794)
   Call: (214) [system] get_char((0x56051b6b4f40), _1350724)
   Exit: (214) [system] get_char((0x56051b6b4f40), s)
   Call: (214) [system] char_type(s, end_of_line)
   Call: (214) [system] s=end_of_file
^  Call: (214) [user] read_until_eol((0x56051b6b4f40), _1354438)
   Call: (215) [system] get_char((0x56051b6b4f40), _1355368)
   Exit: (215) [system] get_char((0x56051b6b4f40), t)
   Call: (215) [system] char_type(t, end_of_line)
   Call: (215) [system] t=end_of_file
^  Call: (215) [user] read_until_eol((0x56051b6b4f40), _1359082)
   Call: (216) [system] get_char((0x56051b6b4f40), _1360012)
   Exit: (216) [system] get_char((0x56051b6b4f40), '\n')
   Call: (216) [system] char_type('\n', end_of_line)
   Exit: (216) [system] char_type('\n', end_of_line)
   Call: (216) [system] _1359082=""
   Exit: (216) [system] ""=""
^  Exit: (215) [user] read_until_eol((0x56051b6b4f40), "")
   Call: (215) [system] string_concat(t, "", _1354438)
   Exit: (215) [system] string_concat(t, "", "t")
^  Exit: (214) [user] read_until_eol((0x56051b6b4f40), "t")
   Call: (214) [system] string_concat(s, "t", _1349794)
   Exit: (214) [system] string_concat(s, "t", "st")
^  Exit: (213) [user] read_until_eol((0x56051b6b4f40), "st")
   Call: (213) [system] string_concat(u, "st", _1345150)
   Exit: (213) [system] string_concat(u, "st", "ust")
^  Exit: (212) [user] read_until_eol((0x56051b6b4f40), "ust")
   Call: (212) [system] string_concat(r, "ust", _1340506)
   Exit: (212) [system] string_concat(r, "ust", "rust")
^  Exit: (211) [user] read_until_eol((0x56051b6b4f40), "rust")
   Call: (211) [system] string_concat(' ', "rust", _1335862)
   Exit: (211) [system] string_concat(' ', "rust", " rust")
^  Exit: (210) [user] read_until_eol((0x56051b6b4f40), " rust")
   Call: (210) [system] string_concat(n, " rust", _1331218)
   Exit: (210) [system] string_concat(n, " rust", "n rust")
^  Exit: (209) [user] read_until_eol((0x56051b6b4f40), "n rust")
   Call: (209) [system] string_concat(o, "n rust", _1326574)
   Exit: (209) [system] string_concat(o, "n rust", "on rust")
^  Exit: (208) [user] read_until_eol((0x56051b6b4f40), "on rust")
   Call: (208) [system] string_concat(' ', "on rust", _1321930)
   Exit: (208) [system] string_concat(' ', "on rust", " on rust")
^  Exit: (207) [user] read_until_eol((0x56051b6b4f40), " on rust")
   Call: (207) [system] string_concat(e, " on rust", _1317286)
   Exit: (207) [system] string_concat(e, " on rust", "e on rust")
^  Exit: (206) [user] read_until_eol((0x56051b6b4f40), "e on rust")
   Call: (206) [system] string_concat(t, "e on rust", _1312642)
   Exit: (206) [system] string_concat(t, "e on rust", "te on rust")
^  Exit: (205) [user] read_until_eol((0x56051b6b4f40), "te on rust")
   Call: (205) [system] string_concat(u, "te on rust", _1307998)
   Exit: (205) [system] string_concat(u, "te on rust", "ute on rust")
^  Exit: (204) [user] read_until_eol((0x56051b6b4f40), "ute on rust")
   Call: (204) [system] string_concat(n, "ute on rust", _1303354)
   Exit: (204) [system] string_concat(n, "ute on rust", "nute on rust")
^  Exit: (203) [user] read_until_eol((0x56051b6b4f40), "nute on rust")
   Call: (203) [system] string_concat(i, "nute on rust", _1298710)
   Exit: (203) [system] string_concat(i, "nute on rust", "inute on rust")
^  Exit: (202) [user] read_until_eol((0x56051b6b4f40), "inute on rust")
   Call: (202) [system] string_concat(m, "inute on rust", _1294066)
   Exit: (202) [system] string_concat(m, "inute on rust", "minute on rust")
^  Exit: (201) [user] read_until_eol((0x56051b6b4f40), "minute on rust")
   Call: (201) [system] string_concat(' ', "minute on rust", _1289422)
   Exit: (201) [system] string_concat(' ', "minute on rust", " minute on rust")
^  Exit: (200) [user] read_until_eol((0x56051b6b4f40), " minute on rust")
   Call: (200) [system] string_concat('1', " minute on rust", _1284778)
   Exit: (200) [system] string_concat('1', " minute on rust", "1 minute on rust")
^  Exit: (199) [user] read_until_eol((0x56051b6b4f40), "1 minute on rust")
   Call: (199) [system] string_concat(' ', "1 minute on rust", _1280134)
   Exit: (199) [system] string_concat(' ', "1 minute on rust", " 1 minute on rust")
^  Exit: (198) [user] read_until_eol((0x56051b6b4f40), " 1 minute on rust")
   Call: (198) [system] string_concat(t, " 1 minute on rust", _1275490)
   Exit: (198) [system] string_concat(t, " 1 minute on rust", "t 1 minute on rust")
^  Exit: (197) [user] read_until_eol((0x56051b6b4f40), "t 1 minute on rust")
   Call: (197) [system] string_concat(u, "t 1 minute on rust", _1270846)
   Exit: (197) [system] string_concat(u, "t 1 minute on rust", "ut 1 minute on rust")
^  Exit: (196) [user] read_until_eol((0x56051b6b4f40), "ut 1 minute on rust")
   Call: (196) [system] string_concat(o, "ut 1 minute on rust", _1266202)
   Exit: (196) [system] string_concat(o, "ut 1 minute on rust", "out 1 minute on rust")
^  Exit: (195) [user] read_until_eol((0x56051b6b4f40), "out 1 minute on rust")
   Call: (195) [system] string_concat(b, "out 1 minute on rust", _1261558)
   Exit: (195) [system] string_concat(b, "out 1 minute on rust", "bout 1 minute on rust")
^  Exit: (194) [user] read_until_eol((0x56051b6b4f40), "bout 1 minute on rust")
   Call: (194) [system] string_concat(a, "bout 1 minute on rust", _1256914)
   Exit: (194) [system] string_concat(a, "bout 1 minute on rust", "about 1 minute on rust")
^  Exit: (193) [user] read_until_eol((0x56051b6b4f40), "about 1 minute on rust")
   Call: (193) [system] string_concat(' ', "about 1 minute on rust", _1252270)
   Exit: (193) [system] string_concat(' ', "about 1 minute on rust", " about 1 minute on rust")
^  Exit: (192) [user] read_until_eol((0x56051b6b4f40), " about 1 minute on rust")
   Call: (192) [system] string_concat(s, " about 1 minute on rust", _1247626)
   Exit: (192) [system] string_concat(s, " about 1 minute on rust", "s about 1 minute on rust")
^  Exit: (191) [user] read_until_eol((0x56051b6b4f40), "s about 1 minute on rust")
   Call: (191) [system] string_concat(e, "s about 1 minute on rust", _1242982)
   Exit: (191) [system] string_concat(e, "s about 1 minute on rust", "es about 1 minute on rust")
^  Exit: (190) [user] read_until_eol((0x56051b6b4f40), "es about 1 minute on rust")
   Call: (190) [system] string_concat(k, "es about 1 minute on rust", _1238338)
   Exit: (190) [system] string_concat(k, "es about 1 minute on rust", "kes about 1 minute on rust")
^  Exit: (189) [user] read_until_eol((0x56051b6b4f40), "kes about 1 minute on rust")
   Call: (189) [system] string_concat(a, "kes about 1 minute on rust", _1233694)
   Exit: (189) [system] string_concat(a, "kes about 1 minute on rust", "akes about 1 minute on rust")
^  Exit: (188) [user] read_until_eol((0x56051b6b4f40), "akes about 1 minute on rust")
   Call: (188) [system] string_concat(t, "akes about 1 minute on rust", _1229050)
   Exit: (188) [system] string_concat(t, "akes about 1 minute on rust", "takes about 1 minute on rust")
^  Exit: (187) [user] read_until_eol((0x56051b6b4f40), "takes about 1 minute on rust")
   Call: (187) [system] string_concat(' ', "takes about 1 minute on rust", _1224406)
   Exit: (187) [system] string_concat(' ', "takes about 1 minute on rust", " takes about 1 minute on rust")
^  Exit: (186) [user] read_until_eol((0x56051b6b4f40), " takes about 1 minute on rust")
   Call: (186) [system] string_concat(;, " takes about 1 minute on rust", _1219762)
   Exit: (186) [system] string_concat(;, " takes about 1 minute on rust", "; takes about 1 minute on rust")
^  Exit: (185) [user] read_until_eol((0x56051b6b4f40), "; takes about 1 minute on rust")
   Call: (185) [system] string_concat(;, "; takes about 1 minute on rust", _1215118)
   Exit: (185) [system] string_concat(;, "; takes about 1 minute on rust", ";; takes about 1 minute on rust")
^  Exit: (184) [user] read_until_eol((0x56051b6b4f40), ";; takes about 1 minute on rust")
^  Call: (184) [user] assertz(metta_file_comment(159, 0, 7727, '$COMMENT'(";; takes about 1 minute on rust", 159, 0), '$stream_position'(7727, 159, 0, 7727)))
^  Exit: (184) [user] assertz(metta_file_comment(159, 0, 7727, '$COMMENT'(";; takes about 1 minute on rust", 159, 0), '$stream_position'(7727, 159, 0, 7727)))
^  Exit: (183) [user] read_comment((0x56051b6b4f40))
^  Call: (183) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] peek_char((0x56051b6b4f40), _1457086)
   Exit: (184) [system] peek_char((0x56051b6b4f40), !)
   Call: (184) [system] !=(;)
^  Call: (184) [user] is_like_space(!)
   Call: (185) [system] char_type(!, 'white')
   Call: (185) [system] char_type(!, end_of_line)
   Call: (185) [system] char_type(!, space)
   Call: (185) [system] char_type(!, cntrl)
^  Exit: (183) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (182) [user] skip_spaces((0x56051b6b4f40))
   Call: (182) [system] get_char((0x56051b6b4f40), _1466478)
   Exit: (182) [system] get_char((0x56051b6b4f40), !)
   Call: (182) [system] !='('
   Call: (182) [system] !='['
   Call: (182) [system] !='{'
   Call: (182) [system] !='"'
   Call: (182) [system] !=!
   Exit: (182) [system] !=!
^  Call: (182) [user] read_sexpr((0x56051b6b4f40), _1473904)
   Call: (183) [system] string((0x56051b6b4f40))
^  Call: (183) [user] cont_sexpr(')', (0x56051b6b4f40), _1473904)
^  Call: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1477614)
   Exit: (185) [system] peek_char((0x56051b6b4f40), '(')
   Call: (185) [system] '('=(;)
^  Call: (185) [user] is_like_space('(')
   Call: (186) [system] char_type('(', 'white')
   Call: (186) [system] char_type('(', end_of_line)
   Call: (186) [system] char_type('(', space)
   Call: (186) [system] char_type('(', cntrl)
^  Exit: (184) [user] skip_spaces((0x56051b6b4f40))
   Call: (184) [system] get_char((0x56051b6b4f40), _1486082)
   Exit: (184) [system] get_char((0x56051b6b4f40), '(')
   Call: (184) [system] '('='('
   Exit: (184) [system] '('='('
^  Call: (184) [user] read_list(')', (0x56051b6b4f40), _1473904)
^  Call: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1491652)
   Exit: (186) [system] peek_char((0x56051b6b4f40), a)
   Call: (186) [system] a=(;)
^  Call: (186) [user] is_like_space(a)
   Call: (187) [system] char_type(a, 'white')
   Call: (187) [system] char_type(a, end_of_line)
   Call: (187) [system] char_type(a, space)
   Call: (187) [system] char_type(a, cntrl)
^  Exit: (185) [user] skip_spaces((0x56051b6b4f40))
   Call: (185) [system] peek_char((0x56051b6b4f40), _1500120)
   Exit: (185) [system] peek_char((0x56051b6b4f40), a)
   Call: (185) [system] a=')'
   Call: (185) [system] a=end_of_file
^  Call: (185) [user] cont_sexpr(')', (0x56051b6b4f40), _1503834)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1505692)
   Exit: (187) [system] peek_char((0x56051b6b4f40), a)
   Call: (187) [system] a=(;)
^  Call: (187) [user] is_like_space(a)
   Call: (188) [system] char_type(a, 'white')
   Call: (188) [system] char_type(a, end_of_line)
   Call: (188) [system] char_type(a, space)
   Call: (188) [system] char_type(a, cntrl)
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] get_char((0x56051b6b4f40), _1514160)
   Exit: (186) [system] get_char((0x56051b6b4f40), a)
   Call: (186) [system] a='('
   Call: (186) [system] a='['
   Call: (186) [system] a='{'
   Call: (186) [system] a='"'
   Call: (186) [system] a=!
   Call: (186) [system] a='\''
   Call: (186) [system] a='`'
   Call: (186) [system] a=end_of_file
^  Call: (186) [user] read_symbolic(')', (0x56051b6b4f40), a, _1503834)
^  Call: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1524378)
   Call: (188) [system] peek_char((0x56051b6b4f40), _1525312)
   Exit: (188) [system] peek_char((0x56051b6b4f40), s)
^  Call: (188) [user] is_delimiter(s)
   Call: (189) [system] char_type(s, space)
   Call: (189) [system] arg(_1529104, v('(', ')', end_of_file), s)
   Call: (188) [system] ')'==s
   Call: (188) [system] get_char((0x56051b6b4f40), s)
   Exit: (188) [system] get_char((0x56051b6b4f40), s)
   Call: (188) [system] s=(\)
^  Call: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1533674)
   Call: (189) [system] peek_char((0x56051b6b4f40), _1534608)
   Exit: (189) [system] peek_char((0x56051b6b4f40), s)
^  Call: (189) [user] is_delimiter(s)
   Call: (190) [system] char_type(s, space)
   Call: (190) [system] arg(_1538400, v('(', ')', end_of_file), s)
   Call: (189) [system] ')'==s
   Call: (189) [system] get_char((0x56051b6b4f40), s)
   Exit: (189) [system] get_char((0x56051b6b4f40), s)
   Call: (189) [system] s=(\)
^  Call: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1542970)
   Call: (190) [system] peek_char((0x56051b6b4f40), _1543904)
   Exit: (190) [system] peek_char((0x56051b6b4f40), e)
^  Call: (190) [user] is_delimiter(e)
   Call: (191) [system] char_type(e, space)
   Call: (191) [system] arg(_1547696, v('(', ')', end_of_file), e)
   Call: (190) [system] ')'==e
   Call: (190) [system] get_char((0x56051b6b4f40), e)
   Exit: (190) [system] get_char((0x56051b6b4f40), e)
   Call: (190) [system] e=(\)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1552266)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1553200)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
^  Call: (191) [user] is_delimiter(r)
   Call: (192) [system] char_type(r, space)
   Call: (192) [system] arg(_1556992, v('(', ')', end_of_file), r)
   Call: (191) [system] ')'==r
   Call: (191) [system] get_char((0x56051b6b4f40), r)
   Exit: (191) [system] get_char((0x56051b6b4f40), r)
   Call: (191) [system] r=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1561562)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1562496)
   Exit: (192) [system] peek_char((0x56051b6b4f40), t)
^  Call: (192) [user] is_delimiter(t)
   Call: (193) [system] char_type(t, space)
   Call: (193) [system] arg(_1566288, v('(', ')', end_of_file), t)
   Call: (192) [system] ')'==t
   Call: (192) [system] get_char((0x56051b6b4f40), t)
   Exit: (192) [system] get_char((0x56051b6b4f40), t)
   Call: (192) [system] t=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1570858)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1571792)
   Exit: (193) [system] peek_char((0x56051b6b4f40), 'E')
^  Call: (193) [user] is_delimiter('E')
   Call: (194) [system] char_type('E', space)
   Call: (194) [system] arg(_1575584, v('(', ')', end_of_file), 'E')
   Call: (193) [system] ')'=='E'
   Call: (193) [system] get_char((0x56051b6b4f40), 'E')
   Exit: (193) [system] get_char((0x56051b6b4f40), 'E')
   Call: (193) [system] 'E'=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1580154)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1581088)
   Exit: (194) [system] peek_char((0x56051b6b4f40), q)
^  Call: (194) [user] is_delimiter(q)
   Call: (195) [system] char_type(q, space)
   Call: (195) [system] arg(_1584880, v('(', ')', end_of_file), q)
   Call: (194) [system] ')'==q
   Call: (194) [system] get_char((0x56051b6b4f40), q)
   Exit: (194) [system] get_char((0x56051b6b4f40), q)
   Call: (194) [system] q=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1589450)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1590384)
   Exit: (195) [system] peek_char((0x56051b6b4f40), u)
^  Call: (195) [user] is_delimiter(u)
   Call: (196) [system] char_type(u, space)
   Call: (196) [system] arg(_1594176, v('(', ')', end_of_file), u)
   Call: (195) [system] ')'==u
   Call: (195) [system] get_char((0x56051b6b4f40), u)
   Exit: (195) [system] get_char((0x56051b6b4f40), u)
   Call: (195) [system] u=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1598746)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1599680)
   Exit: (196) [system] peek_char((0x56051b6b4f40), a)
^  Call: (196) [user] is_delimiter(a)
   Call: (197) [system] char_type(a, space)
   Call: (197) [system] arg(_1603472, v('(', ')', end_of_file), a)
   Call: (196) [system] ')'==a
   Call: (196) [system] get_char((0x56051b6b4f40), a)
   Exit: (196) [system] get_char((0x56051b6b4f40), a)
   Call: (196) [system] a=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1608042)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1608976)
   Exit: (197) [system] peek_char((0x56051b6b4f40), l)
^  Call: (197) [user] is_delimiter(l)
   Call: (198) [system] char_type(l, space)
   Call: (198) [system] arg(_1612768, v('(', ')', end_of_file), l)
   Call: (197) [system] ')'==l
   Call: (197) [system] get_char((0x56051b6b4f40), l)
   Exit: (197) [system] get_char((0x56051b6b4f40), l)
   Call: (197) [system] l=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1617338)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1618272)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'T')
^  Call: (198) [user] is_delimiter('T')
   Call: (199) [system] char_type('T', space)
   Call: (199) [system] arg(_1622064, v('(', ')', end_of_file), 'T')
   Call: (198) [system] ')'=='T'
   Call: (198) [system] get_char((0x56051b6b4f40), 'T')
   Exit: (198) [system] get_char((0x56051b6b4f40), 'T')
   Call: (198) [system] 'T'=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1626634)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1627568)
   Exit: (199) [system] peek_char((0x56051b6b4f40), o)
^  Call: (199) [user] is_delimiter(o)
   Call: (200) [system] char_type(o, space)
   Call: (200) [system] arg(_1631360, v('(', ')', end_of_file), o)
   Call: (199) [system] ')'==o
   Call: (199) [system] get_char((0x56051b6b4f40), o)
   Exit: (199) [system] get_char((0x56051b6b4f40), o)
   Call: (199) [system] o=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1635930)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1636864)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'R')
^  Call: (200) [user] is_delimiter('R')
   Call: (201) [system] char_type('R', space)
   Call: (201) [system] arg(_1640656, v('(', ')', end_of_file), 'R')
   Call: (200) [system] ')'=='R'
   Call: (200) [system] get_char((0x56051b6b4f40), 'R')
   Exit: (200) [system] get_char((0x56051b6b4f40), 'R')
   Call: (200) [system] 'R'=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1645226)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1646160)
   Exit: (201) [system] peek_char((0x56051b6b4f40), e)
^  Call: (201) [user] is_delimiter(e)
   Call: (202) [system] char_type(e, space)
   Call: (202) [system] arg(_1649952, v('(', ')', end_of_file), e)
   Call: (201) [system] ')'==e
   Call: (201) [system] get_char((0x56051b6b4f40), e)
   Exit: (201) [system] get_char((0x56051b6b4f40), e)
   Call: (201) [system] e=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1654522)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1655456)
   Exit: (202) [system] peek_char((0x56051b6b4f40), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1659248, v('(', ')', end_of_file), s)
   Call: (202) [system] ')'==s
   Call: (202) [system] get_char((0x56051b6b4f40), s)
   Exit: (202) [system] get_char((0x56051b6b4f40), s)
   Call: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1663818)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1664752)
   Exit: (203) [system] peek_char((0x56051b6b4f40), u)
^  Call: (203) [user] is_delimiter(u)
   Call: (204) [system] char_type(u, space)
   Call: (204) [system] arg(_1668544, v('(', ')', end_of_file), u)
   Call: (203) [system] ')'==u
   Call: (203) [system] get_char((0x56051b6b4f40), u)
   Exit: (203) [system] get_char((0x56051b6b4f40), u)
   Call: (203) [system] u=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1673114)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1674048)
   Exit: (204) [system] peek_char((0x56051b6b4f40), l)
^  Call: (204) [user] is_delimiter(l)
   Call: (205) [system] char_type(l, space)
   Call: (205) [system] arg(_1677840, v('(', ')', end_of_file), l)
   Call: (204) [system] ')'==l
   Call: (204) [system] get_char((0x56051b6b4f40), l)
   Exit: (204) [system] get_char((0x56051b6b4f40), l)
   Call: (204) [system] l=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1682410)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1683344)
   Exit: (205) [system] peek_char((0x56051b6b4f40), t)
^  Call: (205) [user] is_delimiter(t)
   Call: (206) [system] char_type(t, space)
   Call: (206) [system] arg(_1687136, v('(', ')', end_of_file), t)
   Call: (205) [system] ')'==t
   Call: (205) [system] get_char((0x56051b6b4f40), t)
   Exit: (205) [system] get_char((0x56051b6b4f40), t)
   Call: (205) [system] t=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1691706)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1692640)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '\n')
^  Call: (206) [user] is_delimiter('\n')
   Call: (207) [system] char_type('\n', space)
   Exit: (207) [system] char_type('\n', space)
^  Exit: (206) [user] is_delimiter('\n')
   Call: (206) [system] _1691706=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _1682410=[t]
   Exit: (205) [system] [t]=[t]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t])
   Call: (204) [system] _1673114=[l, t]
   Exit: (204) [system] [l, t]=[l, t]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, t])
   Call: (203) [system] _1663818=[u, l, t]
   Exit: (203) [system] [u, l, t]=[u, l, t]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, l, t])
   Call: (202) [system] _1654522=[s, u, l, t]
   Exit: (202) [system] [s, u, l, t]=[s, u, l, t]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, u, l, t])
   Call: (201) [system] _1645226=[e, s, u, l, t]
   Exit: (201) [system] [e, s, u, l, t]=[e, s, u, l, t]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, u, l, t])
   Call: (200) [system] _1635930=['R', e, s, u, l, t]
   Exit: (200) [system] ['R', e, s, u, l, t]=['R', e, s, u, l, t]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['R', e, s, u, l, t])
   Call: (199) [system] _1626634=[o, 'R', e, s, u, l, t]
   Exit: (199) [system] [o, 'R', e, s, u, l, t]=[o, 'R', e, s, u, l, t]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, 'R', e, s, u, l, t])
   Call: (198) [system] _1617338=['T', o, 'R', e, s, u, l, t]
   Exit: (198) [system] ['T', o, 'R', e, s, u, l, t]=['T', o, 'R', e, s, u, l, t]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['T', o, 'R', e, s, u, l, t])
   Call: (197) [system] _1608042=[l, 'T', o, 'R', e, s, u, l, t]
   Exit: (197) [system] [l, 'T', o, 'R', e, s, u, l, t]=[l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, 'T', o, 'R', e, s, u, l, t])
   Call: (196) [system] _1598746=[a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (196) [system] [a, l, 'T', o, 'R', e, s, u, l, t]=[a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (195) [system] _1589450=[u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (195) [system] [u, a, l, 'T', o, 'R', e, s, u, l, t]=[u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (194) [system] _1580154=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (194) [system] [q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (193) [system] _1570858=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (193) [system] ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (192) [system] _1561562=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (192) [system] [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (191) [system] _1552266=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (191) [system] [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (190) [system] _1542970=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (190) [system] [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (189) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (189) [system] _1533674=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (189) [system] [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (188) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
   Call: (188) [system] _1524378=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
   Exit: (188) [system] [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]=[s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t]
^  Exit: (187) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t])
^  Call: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1503834)
^  Call: (189) [system] setup_call_cleanup('$notrace'(_1752242, _1752244), once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], _1503834), _1752218, fail)), '$restore_trace'(_1752242, _1752244))
^  Call: (190) [system] sig_atomic(system:'$notrace'(_1752242, _1752244))
^  Exit: (189) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult), _1752218, fail)), system:'$restore_trace'(3, -1))
   Call: (188) [system] atomic(assertEqualToResult)
   Exit: (188) [system] atomic(assertEqualToResult)
^  Exit: (187) [user] classify_and_convert_charseq(a, [s, s, e, r, t, 'E', q, u, a, l, 'T', o, 'R', e, s, u, l, t], assertEqualToResult)
^  Exit: (186) [user] read_symbolic(')', (0x56051b6b4f40), a, assertEqualToResult)
^  Exit: (185) [user] cont_sexpr(')', (0x56051b6b4f40), assertEqualToResult)
^  Call: (185) [user] read_list(')', (0x56051b6b4f40), _1759742)
^  Call: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _1761600)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (187) [system] '\n'=(;)
^  Call: (187) [user] is_like_space('\n')
   Call: (188) [system] char_type('\n', 'white')
   Call: (188) [system] char_type('\n', end_of_line)
   Exit: (188) [system] char_type('\n', end_of_line)
^  Exit: (187) [user] is_like_space('\n')
   Call: (187) [system] get_char((0x56051b6b4f40), _1769216)
   Exit: (187) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1771920)
   Exit: (188) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (188) [system] ' '=(;)
^  Call: (188) [user] is_like_space(' ')
   Call: (189) [system] char_type(' ', 'white')
   Exit: (189) [system] char_type(' ', 'white')
^  Exit: (188) [user] is_like_space(' ')
   Call: (188) [system] get_char((0x56051b6b4f40), _1778730)
   Exit: (188) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1781434)
   Exit: (189) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (189) [system] ' '=(;)
^  Call: (189) [user] is_like_space(' ')
   Call: (190) [system] char_type(' ', 'white')
   Exit: (190) [system] char_type(' ', 'white')
^  Exit: (189) [user] is_like_space(' ')
   Call: (189) [system] get_char((0x56051b6b4f40), _1788244)
   Exit: (189) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1790948)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (186) [user] skip_spaces((0x56051b6b4f40))
   Call: (186) [system] peek_char((0x56051b6b4f40), _1802188)
   Exit: (186) [system] peek_char((0x56051b6b4f40), '(')
   Call: (186) [system] '('=')'
   Call: (186) [system] '('=end_of_file
^  Call: (186) [user] cont_sexpr(')', (0x56051b6b4f40), _1805902)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1807760)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('=(;)
^  Call: (188) [user] is_like_space('(')
   Call: (189) [system] char_type('(', 'white')
   Call: (189) [system] char_type('(', end_of_line)
   Call: (189) [system] char_type('(', space)
   Call: (189) [system] char_type('(', cntrl)
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] get_char((0x56051b6b4f40), _1816228)
   Exit: (187) [system] get_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('='('
   Exit: (187) [system] '('='('
^  Call: (187) [user] read_list(')', (0x56051b6b4f40), _1805902)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _1821798)
   Exit: (189) [system] peek_char((0x56051b6b4f40), s)
   Call: (189) [system] s=(;)
^  Call: (189) [user] is_like_space(s)
   Call: (190) [system] char_type(s, 'white')
   Call: (190) [system] char_type(s, end_of_line)
   Call: (190) [system] char_type(s, space)
   Call: (190) [system] char_type(s, cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _1830266)
   Exit: (188) [system] peek_char((0x56051b6b4f40), s)
   Call: (188) [system] s=')'
   Call: (188) [system] s=end_of_file
^  Call: (188) [user] cont_sexpr(')', (0x56051b6b4f40), _1833980)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1835838)
   Exit: (190) [system] peek_char((0x56051b6b4f40), s)
   Call: (190) [system] s=(;)
^  Call: (190) [user] is_like_space(s)
   Call: (191) [system] char_type(s, 'white')
   Call: (191) [system] char_type(s, end_of_line)
   Call: (191) [system] char_type(s, space)
   Call: (191) [system] char_type(s, cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] get_char((0x56051b6b4f40), _1844306)
   Exit: (189) [system] get_char((0x56051b6b4f40), s)
   Call: (189) [system] s='('
   Call: (189) [system] s='['
   Call: (189) [system] s='{'
   Call: (189) [system] s='"'
   Call: (189) [system] s=!
   Call: (189) [system] s='\''
   Call: (189) [system] s='`'
   Call: (189) [system] s=end_of_file
^  Call: (189) [user] read_symbolic(')', (0x56051b6b4f40), s, _1833980)
^  Call: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1854524)
   Call: (191) [system] peek_char((0x56051b6b4f40), _1855458)
   Exit: (191) [system] peek_char((0x56051b6b4f40), y)
^  Call: (191) [user] is_delimiter(y)
   Call: (192) [system] char_type(y, space)
   Call: (192) [system] arg(_1859250, v('(', ')', end_of_file), y)
   Call: (191) [system] ')'==y
   Call: (191) [system] get_char((0x56051b6b4f40), y)
   Exit: (191) [system] get_char((0x56051b6b4f40), y)
   Call: (191) [system] y=(\)
^  Call: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1863820)
   Call: (192) [system] peek_char((0x56051b6b4f40), _1864754)
   Exit: (192) [system] peek_char((0x56051b6b4f40), n)
^  Call: (192) [user] is_delimiter(n)
   Call: (193) [system] char_type(n, space)
   Call: (193) [system] arg(_1868546, v('(', ')', end_of_file), n)
   Call: (192) [system] ')'==n
   Call: (192) [system] get_char((0x56051b6b4f40), n)
   Exit: (192) [system] get_char((0x56051b6b4f40), n)
   Call: (192) [system] n=(\)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1873116)
   Call: (193) [system] peek_char((0x56051b6b4f40), _1874050)
   Exit: (193) [system] peek_char((0x56051b6b4f40), t)
^  Call: (193) [user] is_delimiter(t)
   Call: (194) [system] char_type(t, space)
   Call: (194) [system] arg(_1877842, v('(', ')', end_of_file), t)
   Call: (193) [system] ')'==t
   Call: (193) [system] get_char((0x56051b6b4f40), t)
   Exit: (193) [system] get_char((0x56051b6b4f40), t)
   Call: (193) [system] t=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1882412)
   Call: (194) [system] peek_char((0x56051b6b4f40), _1883346)
   Exit: (194) [system] peek_char((0x56051b6b4f40), h)
^  Call: (194) [user] is_delimiter(h)
   Call: (195) [system] char_type(h, space)
   Call: (195) [system] arg(_1887138, v('(', ')', end_of_file), h)
   Call: (194) [system] ')'==h
   Call: (194) [system] get_char((0x56051b6b4f40), h)
   Exit: (194) [system] get_char((0x56051b6b4f40), h)
   Call: (194) [system] h=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1891708)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1892642)
   Exit: (195) [system] peek_char((0x56051b6b4f40), e)
^  Call: (195) [user] is_delimiter(e)
   Call: (196) [system] char_type(e, space)
   Call: (196) [system] arg(_1896434, v('(', ')', end_of_file), e)
   Call: (195) [system] ')'==e
   Call: (195) [system] get_char((0x56051b6b4f40), e)
   Exit: (195) [system] get_char((0x56051b6b4f40), e)
   Call: (195) [system] e=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1901004)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1901938)
   Exit: (196) [system] peek_char((0x56051b6b4f40), s)
^  Call: (196) [user] is_delimiter(s)
   Call: (197) [system] char_type(s, space)
   Call: (197) [system] arg(_1905730, v('(', ')', end_of_file), s)
   Call: (196) [system] ')'==s
   Call: (196) [system] get_char((0x56051b6b4f40), s)
   Exit: (196) [system] get_char((0x56051b6b4f40), s)
   Call: (196) [system] s=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1910300)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1911234)
   Exit: (197) [system] peek_char((0x56051b6b4f40), i)
^  Call: (197) [user] is_delimiter(i)
   Call: (198) [system] char_type(i, space)
   Call: (198) [system] arg(_1915026, v('(', ')', end_of_file), i)
   Call: (197) [system] ')'==i
   Call: (197) [system] get_char((0x56051b6b4f40), i)
   Exit: (197) [system] get_char((0x56051b6b4f40), i)
   Call: (197) [system] i=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1919596)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1920530)
   Exit: (198) [system] peek_char((0x56051b6b4f40), z)
^  Call: (198) [user] is_delimiter(z)
   Call: (199) [system] char_type(z, space)
   Call: (199) [system] arg(_1924322, v('(', ')', end_of_file), z)
   Call: (198) [system] ')'==z
   Call: (198) [system] get_char((0x56051b6b4f40), z)
   Exit: (198) [system] get_char((0x56051b6b4f40), z)
   Call: (198) [system] z=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1928892)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1929826)
   Exit: (199) [system] peek_char((0x56051b6b4f40), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_1933618, v('(', ')', end_of_file), e)
   Call: (199) [system] ')'==e
   Call: (199) [system] get_char((0x56051b6b4f40), e)
   Exit: (199) [system] get_char((0x56051b6b4f40), e)
   Call: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1938188)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1939122)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _1938188=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _1928892=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (198) [system] _1919596=[z, e]
   Exit: (198) [system] [z, e]=[z, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [z, e])
   Call: (197) [system] _1910300=[i, z, e]
   Exit: (197) [system] [i, z, e]=[i, z, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, z, e])
   Call: (196) [system] _1901004=[s, i, z, e]
   Exit: (196) [system] [s, i, z, e]=[s, i, z, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, i, z, e])
   Call: (195) [system] _1891708=[e, s, i, z, e]
   Exit: (195) [system] [e, s, i, z, e]=[e, s, i, z, e]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, s, i, z, e])
   Call: (194) [system] _1882412=[h, e, s, i, z, e]
   Exit: (194) [system] [h, e, s, i, z, e]=[h, e, s, i, z, e]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [h, e, s, i, z, e])
   Call: (193) [system] _1873116=[t, h, e, s, i, z, e]
   Exit: (193) [system] [t, h, e, s, i, z, e]=[t, h, e, s, i, z, e]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, h, e, s, i, z, e])
   Call: (192) [system] _1863820=[n, t, h, e, s, i, z, e]
   Exit: (192) [system] [n, t, h, e, s, i, z, e]=[n, t, h, e, s, i, z, e]
^  Exit: (191) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, h, e, s, i, z, e])
   Call: (191) [system] _1854524=[y, n, t, h, e, s, i, z, e]
   Exit: (191) [system] [y, n, t, h, e, s, i, z, e]=[y, n, t, h, e, s, i, z, e]
^  Exit: (190) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, n, t, h, e, s, i, z, e])
^  Call: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], _1833980)
^  Call: (192) [system] setup_call_cleanup('$notrace'(_1973578, _1973580), once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], _1833980), _1973554, fail)), '$restore_trace'(_1973578, _1973580))
^  Call: (193) [system] sig_atomic(system:'$notrace'(_1973578, _1973580))
^  Exit: (192) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([s, y, n, t, h, e, s, i, z, e], synthesize), _1973554, fail)), system:'$restore_trace'(3, -1))
   Call: (191) [system] atomic(synthesize)
   Exit: (191) [system] atomic(synthesize)
^  Exit: (190) [user] classify_and_convert_charseq(s, [y, n, t, h, e, s, i, z, e], synthesize)
^  Exit: (189) [user] read_symbolic(')', (0x56051b6b4f40), s, synthesize)
^  Exit: (188) [user] cont_sexpr(')', (0x56051b6b4f40), synthesize)
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _1981078)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1982936)
   Exit: (190) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (190) [system] ' '=(;)
^  Call: (190) [user] is_like_space(' ')
   Call: (191) [system] char_type(' ', 'white')
   Exit: (191) [system] char_type(' ', 'white')
^  Exit: (190) [user] is_like_space(' ')
   Call: (190) [system] get_char((0x56051b6b4f40), _1989746)
   Exit: (190) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1992450)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _2001842)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _2005556)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _2007414)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _2015882)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _2005556)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _2021452)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _2029920)
   Exit: (191) [system] peek_char((0x56051b6b4f40), :)
   Call: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _2033634)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _2035492)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _2043960)
   Exit: (192) [system] get_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, _2033634)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2054178)
   Call: (194) [system] peek_char((0x56051b6b4f40), _2055112)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _2054178=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _2033634)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_2064422, _2064424), once(user:catch(read_from_chars([:], _2033634), _2064398, fail)), '$restore_trace'(_2064422, _2064424))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_2064422, _2064424))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2064398, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _2071922)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _2073780)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _2080590)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _2083294)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _2092686)
   Exit: (192) [system] peek_char((0x56051b6b4f40), $)
   Call: (192) [system] ($)=')'
   Call: (192) [system] ($)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _3398)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _4904)
   Exit: (194) [system] peek_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)=(;)
^  Call: (194) [user] is_like_space($)
   Call: (195) [system] char_type($, 'white')
   Call: (195) [system] char_type($, end_of_line)
   Call: (195) [system] char_type($, space)
   Call: (195) [system] char_type($, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _13372)
   Exit: (193) [system] get_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)='('
   Call: (193) [system] ($)='['
   Call: (193) [system] ($)='{'
   Call: (193) [system] ($)='"'
   Call: (193) [system] ($)=!
   Call: (193) [system] ($)='\''
   Call: (193) [system] ($)='`'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _3398)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _23590)
   Call: (195) [system] peek_char((0x56051b6b4f40), _24524)
   Exit: (195) [system] peek_char((0x56051b6b4f40), t)
^  Call: (195) [user] is_delimiter(t)
   Call: (196) [system] char_type(t, space)
   Call: (196) [system] arg(_28316, v('(', ')', end_of_file), t)
   Call: (195) [system] ')'==t
   Call: (195) [system] get_char((0x56051b6b4f40), t)
   Exit: (195) [system] get_char((0x56051b6b4f40), t)
   Call: (195) [system] t=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _32886)
   Call: (196) [system] peek_char((0x56051b6b4f40), _33820)
   Exit: (196) [system] peek_char((0x56051b6b4f40), e)
^  Call: (196) [user] is_delimiter(e)
   Call: (197) [system] char_type(e, space)
   Call: (197) [system] arg(_37612, v('(', ')', end_of_file), e)
   Call: (196) [system] ')'==e
   Call: (196) [system] get_char((0x56051b6b4f40), e)
   Exit: (196) [system] get_char((0x56051b6b4f40), e)
   Call: (196) [system] e=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _42182)
   Call: (197) [system] peek_char((0x56051b6b4f40), _43116)
   Exit: (197) [system] peek_char((0x56051b6b4f40), r)
^  Call: (197) [user] is_delimiter(r)
   Call: (198) [system] char_type(r, space)
   Call: (198) [system] arg(_46908, v('(', ')', end_of_file), r)
   Call: (197) [system] ')'==r
   Call: (197) [system] get_char((0x56051b6b4f40), r)
   Exit: (197) [system] get_char((0x56051b6b4f40), r)
   Call: (197) [system] r=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _51478)
   Call: (198) [system] peek_char((0x56051b6b4f40), _52412)
   Exit: (198) [system] peek_char((0x56051b6b4f40), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_56204, v('(', ')', end_of_file), m)
   Call: (198) [system] ')'==m
   Call: (198) [system] get_char((0x56051b6b4f40), m)
   Exit: (198) [system] get_char((0x56051b6b4f40), m)
   Call: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _60774)
   Call: (199) [system] peek_char((0x56051b6b4f40), _61708)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _60774=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _51478=[m]
   Exit: (198) [system] [m]=[m]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m])
   Call: (197) [system] _42182=[r, m]
   Exit: (197) [system] [r, m]=[r, m]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, m])
   Call: (196) [system] _32886=[e, r, m]
   Exit: (196) [system] [e, r, m]=[e, r, m]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e, r, m])
   Call: (195) [system] _23590=[t, e, r, m]
   Exit: (195) [system] [t, e, r, m]=[t, e, r, m]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, e, r, m])
^  Call: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _3398)
   Call: (195) [system] atom_chars(_82168, ['_', t, e, r, m])
   Exit: (195) [system] atom_chars('_term', ['_', t, e, r, m])
^  Exit: (194) [user] classify_and_convert_charseq($, [t, e, r, m], _term)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), $, _term)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _term)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _86832)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _88690)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _95500)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _98204)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _107596)
   Exit: (193) [system] peek_char((0x56051b6b4f40), $)
   Call: (193) [system] ($)=')'
   Call: (193) [system] ($)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _111310)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _113168)
   Exit: (195) [system] peek_char((0x56051b6b4f40), $)
   Call: (195) [system] ($)=(;)
^  Call: (195) [user] is_like_space($)
   Call: (196) [system] char_type($, 'white')
   Call: (196) [system] char_type($, end_of_line)
   Call: (196) [system] char_type($, space)
   Call: (196) [system] char_type($, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _121636)
   Exit: (194) [system] get_char((0x56051b6b4f40), $)
   Call: (194) [system] ($)='('
   Call: (194) [system] ($)='['
   Call: (194) [system] ($)='{'
   Call: (194) [system] ($)='"'
   Call: (194) [system] ($)=!
   Call: (194) [system] ($)='\''
   Call: (194) [system] ($)='`'
   Call: (194) [system] ($)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _111310)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _131854)
   Call: (196) [system] peek_char((0x56051b6b4f40), _132788)
   Exit: (196) [system] peek_char((0x56051b6b4f40), t)
^  Call: (196) [user] is_delimiter(t)
   Call: (197) [system] char_type(t, space)
   Call: (197) [system] arg(_136580, v('(', ')', end_of_file), t)
   Call: (196) [system] ')'==t
   Call: (196) [system] get_char((0x56051b6b4f40), t)
   Exit: (196) [system] get_char((0x56051b6b4f40), t)
   Call: (196) [system] t=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _141150)
   Call: (197) [system] peek_char((0x56051b6b4f40), _142084)
   Exit: (197) [system] peek_char((0x56051b6b4f40), y)
^  Call: (197) [user] is_delimiter(y)
   Call: (198) [system] char_type(y, space)
   Call: (198) [system] arg(_145876, v('(', ')', end_of_file), y)
   Call: (197) [system] ')'==y
   Call: (197) [system] get_char((0x56051b6b4f40), y)
   Exit: (197) [system] get_char((0x56051b6b4f40), y)
   Call: (197) [system] y=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _150446)
   Call: (198) [system] peek_char((0x56051b6b4f40), _151380)
   Exit: (198) [system] peek_char((0x56051b6b4f40), p)
^  Call: (198) [user] is_delimiter(p)
   Call: (199) [system] char_type(p, space)
   Call: (199) [system] arg(_155172, v('(', ')', end_of_file), p)
   Call: (198) [system] ')'==p
   Call: (198) [system] get_char((0x56051b6b4f40), p)
   Exit: (198) [system] get_char((0x56051b6b4f40), p)
   Call: (198) [system] p=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _159742)
   Call: (199) [system] peek_char((0x56051b6b4f40), _160676)
   Exit: (199) [system] peek_char((0x56051b6b4f40), e)
^  Call: (199) [user] is_delimiter(e)
   Call: (200) [system] char_type(e, space)
   Call: (200) [system] arg(_164468, v('(', ')', end_of_file), e)
   Call: (199) [system] ')'==e
   Call: (199) [system] get_char((0x56051b6b4f40), e)
   Exit: (199) [system] get_char((0x56051b6b4f40), e)
   Call: (199) [system] e=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _169038)
   Call: (200) [system] peek_char((0x56051b6b4f40), _169972)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_173764, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _169038=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (199) [system] _159742=[e]
   Exit: (199) [system] [e]=[e]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (198) [system] _150446=[p, e]
   Exit: (198) [system] [p, e]=[p, e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, e])
   Call: (197) [system] _141150=[y, p, e]
   Exit: (197) [system] [y, p, e]=[y, p, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [y, p, e])
   Call: (196) [system] _131854=[t, y, p, e]
   Exit: (196) [system] [t, y, p, e]=[t, y, p, e]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, y, p, e])
^  Call: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _111310)
   Call: (196) [system] atom_chars(_191376, ['_', t, y, p, e])
   Exit: (196) [system] atom_chars('_type', ['_', t, y, p, e])
^  Exit: (195) [user] classify_and_convert_charseq($, [t, y, p, e], _type)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), $, _type)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _type)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _196040)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _197898)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _206366)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _210156)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _196040=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _86832=[_type]
   Exit: (193) [system] [_type]=[_type]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [_type])
   Call: (192) [system] _3392=[_term, _type]
   Exit: (192) [system] [_term, _type]=[_term, _type]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [_term, _type])
   Call: (191) [system] _3384=[:, _term, _type]
   Exit: (191) [system] [:, _term, _type]=[:, _term, _type]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [:, _term, _type])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [:, _term, _type])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _224038)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _225896)
   Exit: (191) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (191) [system] ' '=(;)
^  Call: (191) [user] is_like_space(' ')
   Call: (192) [system] char_type(' ', 'white')
   Exit: (192) [system] char_type(' ', 'white')
^  Exit: (191) [user] is_like_space(' ')
   Call: (191) [system] get_char((0x56051b6b4f40), _232706)
   Exit: (191) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _235410)
   Exit: (192) [system] peek_char((0x56051b6b4f40), k)
   Call: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _244802)
   Exit: (190) [system] peek_char((0x56051b6b4f40), k)
   Call: (190) [system] k=')'
   Call: (190) [system] k=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _248516)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _250374)
   Exit: (192) [system] peek_char((0x56051b6b4f40), k)
   Call: (192) [system] k=(;)
^  Call: (192) [user] is_like_space(k)
   Call: (193) [system] char_type(k, 'white')
   Call: (193) [system] char_type(k, end_of_line)
   Call: (193) [system] char_type(k, space)
   Call: (193) [system] char_type(k, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _258842)
   Exit: (191) [system] get_char((0x56051b6b4f40), k)
   Call: (191) [system] k='('
   Call: (191) [system] k='['
   Call: (191) [system] k='{'
   Call: (191) [system] k='"'
   Call: (191) [system] k=!
   Call: (191) [system] k='\''
   Call: (191) [system] k='`'
   Call: (191) [system] k=end_of_file
^  Call: (191) [user] read_symbolic(')', (0x56051b6b4f40), k, _248516)
^  Call: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), _269060)
   Call: (193) [system] peek_char((0x56051b6b4f40), _269994)
   Exit: (193) [system] peek_char((0x56051b6b4f40), b)
^  Call: (193) [user] is_delimiter(b)
   Call: (194) [system] char_type(b, space)
   Call: (194) [system] arg(_273786, v('(', ')', end_of_file), b)
   Call: (193) [system] ')'==b
   Call: (193) [system] get_char((0x56051b6b4f40), b)
   Exit: (193) [system] get_char((0x56051b6b4f40), b)
   Call: (193) [system] b=(\)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _278356)
   Call: (194) [system] peek_char((0x56051b6b4f40), _279290)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _278356=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (193) [system] _269060=[b]
   Exit: (193) [system] [b]=[b]
^  Exit: (192) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (192) [user] classify_and_convert_charseq(k, [b], _248516)
^  Call: (194) [system] setup_call_cleanup('$notrace'(_291394, _291396), once(user:catch(read_from_chars([k, b], _248516), _291370, fail)), '$restore_trace'(_291394, _291396))
^  Call: (195) [system] sig_atomic(system:'$notrace'(_291394, _291396))
^  Exit: (194) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([k, b], kb), _291370, fail)), system:'$restore_trace'(3, -1))
   Call: (193) [system] atomic(kb)
   Exit: (193) [system] atomic(kb)
^  Exit: (192) [user] classify_and_convert_charseq(k, [b], kb)
^  Exit: (191) [user] read_symbolic(')', (0x56051b6b4f40), k, kb)
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), kb)
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _298894)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _300752)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _307562)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _310266)
   Exit: (193) [system] peek_char((0x56051b6b4f40), r)
   Call: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _319658)
   Exit: (191) [system] peek_char((0x56051b6b4f40), r)
   Call: (191) [system] r=')'
   Call: (191) [system] r=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _323372)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _325230)
   Exit: (193) [system] peek_char((0x56051b6b4f40), r)
   Call: (193) [system] r=(;)
^  Call: (193) [user] is_like_space(r)
   Call: (194) [system] char_type(r, 'white')
   Call: (194) [system] char_type(r, end_of_line)
   Call: (194) [system] char_type(r, space)
   Call: (194) [system] char_type(r, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _333698)
   Exit: (192) [system] get_char((0x56051b6b4f40), r)
   Call: (192) [system] r='('
   Call: (192) [system] r='['
   Call: (192) [system] r='{'
   Call: (192) [system] r='"'
   Call: (192) [system] r=!
   Call: (192) [system] r='\''
   Call: (192) [system] r='`'
   Call: (192) [system] r=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), r, _323372)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _343916)
   Call: (194) [system] peek_char((0x56051b6b4f40), _344850)
   Exit: (194) [system] peek_char((0x56051b6b4f40), b)
^  Call: (194) [user] is_delimiter(b)
   Call: (195) [system] char_type(b, space)
   Call: (195) [system] arg(_348642, v('(', ')', end_of_file), b)
   Call: (194) [system] ')'==b
   Call: (194) [system] get_char((0x56051b6b4f40), b)
   Exit: (194) [system] get_char((0x56051b6b4f40), b)
   Call: (194) [system] b=(\)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _353212)
   Call: (195) [system] peek_char((0x56051b6b4f40), _354146)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _353212=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (194) [system] _343916=[b]
   Exit: (194) [system] [b]=[b]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b])
^  Call: (193) [user] classify_and_convert_charseq(r, [b], _323372)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_366250, _366252), once(user:catch(read_from_chars([r, b], _323372), _366226, fail)), '$restore_trace'(_366250, _366252))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_366250, _366252))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([r, b], rb), _366226, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(rb)
   Exit: (194) [system] atomic(rb)
^  Exit: (193) [user] classify_and_convert_charseq(r, [b], rb)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), r, rb)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), rb)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _373750)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _375608)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _382418)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _385122)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _394514)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _398228)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _400086)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _408554)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _398228)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _414124)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (195) [system] 'S'=(;)
^  Call: (195) [user] is_like_space('S')
   Call: (196) [system] char_type('S', 'white')
   Call: (196) [system] char_type('S', end_of_line)
   Call: (196) [system] char_type('S', space)
   Call: (196) [system] char_type('S', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _422592)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (194) [system] 'S'=')'
   Call: (194) [system] 'S'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _426306)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _428164)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (196) [system] 'S'=(;)
^  Call: (196) [user] is_like_space('S')
   Call: (197) [system] char_type('S', 'white')
   Call: (197) [system] char_type('S', end_of_line)
   Call: (197) [system] char_type('S', space)
   Call: (197) [system] char_type('S', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _436632)
   Exit: (195) [system] get_char((0x56051b6b4f40), 'S')
   Call: (195) [system] 'S'='('
   Call: (195) [system] 'S'='['
   Call: (195) [system] 'S'='{'
   Call: (195) [system] 'S'='"'
   Call: (195) [system] 'S'=!
   Call: (195) [system] 'S'='\''
   Call: (195) [system] 'S'='`'
   Call: (195) [system] 'S'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'S', _426306)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _446850)
   Call: (197) [system] peek_char((0x56051b6b4f40), _447784)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _446850=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq('S', [], _426306)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_457094, _457096), once(user:catch(read_from_chars(['S'], _426306), _457070, fail)), '$restore_trace'(_457094, _457096))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_457094, _457096))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _426306), _457070, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_426306)
   Call: (197) [system] atom_chars(_426306, ['S'])
   Exit: (197) [system] atom_chars('S', ['S'])
^  Exit: (196) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'S', 'S')
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), 'S')
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _465546)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _467404)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _474214)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _476918)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _486310)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _490024)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _491882)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _500350)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _490024)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _505920)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (198) [system] 'S'=(;)
^  Call: (198) [user] is_like_space('S')
   Call: (199) [system] char_type('S', 'white')
   Call: (199) [system] char_type('S', end_of_line)
   Call: (199) [system] char_type('S', space)
   Call: (199) [system] char_type('S', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _514388)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (197) [system] 'S'=')'
   Call: (197) [system] 'S'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _518102)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _519960)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'S')
   Call: (199) [system] 'S'=(;)
^  Call: (199) [user] is_like_space('S')
   Call: (200) [system] char_type('S', 'white')
   Call: (200) [system] char_type('S', end_of_line)
   Call: (200) [system] char_type('S', space)
   Call: (200) [system] char_type('S', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _528428)
   Exit: (198) [system] get_char((0x56051b6b4f40), 'S')
   Call: (198) [system] 'S'='('
   Call: (198) [system] 'S'='['
   Call: (198) [system] 'S'='{'
   Call: (198) [system] 'S'='"'
   Call: (198) [system] 'S'=!
   Call: (198) [system] 'S'='\''
   Call: (198) [system] 'S'='`'
   Call: (198) [system] 'S'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'S', _518102)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _538646)
   Call: (200) [system] peek_char((0x56051b6b4f40), _539580)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _538646=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (199) [user] classify_and_convert_charseq('S', [], _518102)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_548890, _548892), once(user:catch(read_from_chars(['S'], _518102), _548866, fail)), '$restore_trace'(_548890, _548892))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_548890, _548892))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['S'], _518102), _548866, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_518102)
   Call: (200) [system] atom_chars(_518102, ['S'])
   Exit: (200) [system] atom_chars('S', ['S'])
^  Exit: (199) [user] classify_and_convert_charseq('S', [], 'S')
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'S', 'S')
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), 'S')
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _557342)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _559200)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _566010)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _568714)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (200) [system] 'Z'=(;)
^  Call: (200) [user] is_like_space('Z')
   Call: (201) [system] char_type('Z', 'white')
   Call: (201) [system] char_type('Z', end_of_line)
   Call: (201) [system] char_type('Z', space)
   Call: (201) [system] char_type('Z', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _578106)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (198) [system] 'Z'=')'
   Call: (198) [system] 'Z'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _581820)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _583678)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'Z')
   Call: (200) [system] 'Z'=(;)
^  Call: (200) [user] is_like_space('Z')
   Call: (201) [system] char_type('Z', 'white')
   Call: (201) [system] char_type('Z', end_of_line)
   Call: (201) [system] char_type('Z', space)
   Call: (201) [system] char_type('Z', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _592146)
   Exit: (199) [system] get_char((0x56051b6b4f40), 'Z')
   Call: (199) [system] 'Z'='('
   Call: (199) [system] 'Z'='['
   Call: (199) [system] 'Z'='{'
   Call: (199) [system] 'Z'='"'
   Call: (199) [system] 'Z'=!
   Call: (199) [system] 'Z'='\''
   Call: (199) [system] 'Z'='`'
   Call: (199) [system] 'Z'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'Z', _581820)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _602364)
   Call: (201) [system] peek_char((0x56051b6b4f40), _603298)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (201) [user] is_delimiter(')')
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] arg(_607090, v('(', ')', end_of_file), ')')
   Exit: (202) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (201) [user] is_delimiter(')')
   Call: (201) [system] _602364=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (200) [user] classify_and_convert_charseq('Z', [], _581820)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_613552, _613554), once(user:catch(read_from_chars(['Z'], _581820), _613528, fail)), '$restore_trace'(_613552, _613554))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_613552, _613554))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['Z'], _581820), _613528, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_581820)
   Call: (201) [system] atom_chars(_581820, ['Z'])
   Exit: (201) [system] atom_chars('Z', ['Z'])
^  Exit: (200) [user] classify_and_convert_charseq('Z', [], 'Z')
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'Z', 'Z')
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), 'Z')
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _622004)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _623862)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _632330)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x56051b6b4f40), _636120)
   Exit: (199) [system] get_char((0x56051b6b4f40), ')')
   Call: (199) [system] _622004=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (198) [system] _557342=['Z']
   Exit: (198) [system] ['Z']=['Z']
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), ['Z'])
   Call: (197) [system] _490024=['S', 'Z']
   Exit: (197) [system] ['S', 'Z']=['S', 'Z']
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), ['S', 'Z'])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), ['S', 'Z'])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _647208)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _649066)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _657534)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _661324)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _647208=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _465546=[['S', 'Z']]
   Exit: (195) [system] [['S', 'Z']]=[['S', 'Z']]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [['S', 'Z']])
   Call: (194) [system] _398228=['S', ['S', 'Z']]
   Exit: (194) [system] ['S', ['S', 'Z']]=['S', ['S', 'Z']]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), ['S', ['S', 'Z']])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), ['S', ['S', 'Z']])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _672412)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _674270)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=(;)
^  Call: (194) [user] is_like_space(')')
   Call: (195) [system] char_type(')', 'white')
   Call: (195) [system] char_type(')', end_of_line)
   Call: (195) [system] char_type(')', space)
   Call: (195) [system] char_type(')', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _682738)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ')')
   Call: (193) [system] ')'=')'
   Exit: (193) [system] ')'=')'
   Call: (193) [system] get_char((0x56051b6b4f40), _686528)
   Exit: (193) [system] get_char((0x56051b6b4f40), ')')
   Call: (193) [system] _672412=[]
   Exit: (193) [system] []=[]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (192) [system] _373750=[['S', ['S', 'Z']]]
   Exit: (192) [system] [['S', ['S', 'Z']]]=[['S', ['S', 'Z']]]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [['S', ['S', 'Z']]])
   Call: (191) [system] _298894=[rb, ['S', ['S', 'Z']]]
   Exit: (191) [system] [rb, ['S', ['S', 'Z']]]=[rb, ['S', ['S', 'Z']]]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [rb, ['S', ['S', 'Z']]])
   Call: (190) [system] _224038=[kb, rb, ['S', ['S', 'Z']]]
   Exit: (190) [system] [kb, rb, ['S', ['S', 'Z']]]=[kb, rb, ['S', ['S', 'Z']]]
^  Exit: (189) [user] read_list(')', (0x56051b6b4f40), [kb, rb, ['S', ['S', 'Z']]])
   Call: (189) [system] _3380=[[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
   Exit: (189) [system] [[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]=[[:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
^  Exit: (188) [user] read_list(')', (0x56051b6b4f40), [[:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
   Call: (188) [system] _3372=[synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
   Exit: (188) [system] [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]=[synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]]
^  Exit: (187) [user] read_list(')', (0x56051b6b4f40), [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
^  Exit: (186) [user] cont_sexpr(')', (0x56051b6b4f40), [synthesize, [:, _term, _type], kb, rb, ['S', ['S', 'Z']]])
^  Call: (186) [user] read_list(')', (0x56051b6b4f40), _705998)
^  Call: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] peek_char((0x56051b6b4f40), _707856)
   Exit: (188) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (188) [system] '\n'=(;)
^  Call: (188) [user] is_like_space('\n')
   Call: (189) [system] char_type('\n', 'white')
   Call: (189) [system] char_type('\n', end_of_line)
   Exit: (189) [system] char_type('\n', end_of_line)
^  Exit: (188) [user] is_like_space('\n')
   Call: (188) [system] get_char((0x56051b6b4f40), _715472)
   Exit: (188) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _718176)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (187) [user] skip_spaces((0x56051b6b4f40))
   Call: (187) [system] peek_char((0x56051b6b4f40), _727568)
   Exit: (187) [system] peek_char((0x56051b6b4f40), '(')
   Call: (187) [system] '('=')'
   Call: (187) [system] '('=end_of_file
^  Call: (187) [user] cont_sexpr(')', (0x56051b6b4f40), _731282)
^  Call: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _733140)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=(;)
^  Call: (189) [user] is_like_space('(')
   Call: (190) [system] char_type('(', 'white')
   Call: (190) [system] char_type('(', end_of_line)
   Call: (190) [system] char_type('(', space)
   Call: (190) [system] char_type('(', cntrl)
^  Exit: (188) [user] skip_spaces((0x56051b6b4f40))
   Call: (188) [system] get_char((0x56051b6b4f40), _741608)
   Exit: (188) [system] get_char((0x56051b6b4f40), '(')
   Call: (188) [system] '('='('
   Exit: (188) [system] '('='('
^  Call: (188) [user] read_list(')', (0x56051b6b4f40), _731282)
^  Call: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _747178)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=(;)
^  Call: (190) [user] is_like_space('(')
   Call: (191) [system] char_type('(', 'white')
   Call: (191) [system] char_type('(', end_of_line)
   Call: (191) [system] char_type('(', space)
   Call: (191) [system] char_type('(', cntrl)
^  Exit: (189) [user] skip_spaces((0x56051b6b4f40))
   Call: (189) [system] peek_char((0x56051b6b4f40), _755646)
   Exit: (189) [system] peek_char((0x56051b6b4f40), '(')
   Call: (189) [system] '('=')'
   Call: (189) [system] '('=end_of_file
^  Call: (189) [user] cont_sexpr(')', (0x56051b6b4f40), _759360)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _761218)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=(;)
^  Call: (191) [user] is_like_space('(')
   Call: (192) [system] char_type('(', 'white')
   Call: (192) [system] char_type('(', end_of_line)
   Call: (192) [system] char_type('(', space)
   Call: (192) [system] char_type('(', cntrl)
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] get_char((0x56051b6b4f40), _769686)
   Exit: (190) [system] get_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('='('
   Exit: (190) [system] '('='('
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _759360)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _775256)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=(;)
^  Call: (192) [user] is_like_space(:)
   Call: (193) [system] char_type(:, 'white')
   Call: (193) [system] char_type(:, end_of_line)
   Call: (193) [system] char_type(:, space)
   Call: (193) [system] char_type(:, cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _783724)
   Exit: (191) [system] peek_char((0x56051b6b4f40), :)
   Call: (191) [system] (:)=')'
   Call: (191) [system] (:)=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _787438)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _789296)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _797764)
   Exit: (192) [system] get_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)='('
   Call: (192) [system] (:)='['
   Call: (192) [system] (:)='{'
   Call: (192) [system] (:)='"'
   Call: (192) [system] (:)=!
   Call: (192) [system] (:)='\''
   Call: (192) [system] (:)='`'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, _787438)
^  Call: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), _807982)
   Call: (194) [system] peek_char((0x56051b6b4f40), _808916)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] is_delimiter(' ')
   Call: (195) [system] char_type(' ', space)
   Exit: (195) [system] char_type(' ', space)
^  Exit: (194) [user] is_delimiter(' ')
   Call: (194) [system] _807982=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (193) [user] classify_and_convert_charseq(:, [], _787438)
^  Call: (195) [system] setup_call_cleanup('$notrace'(_818226, _818228), once(user:catch(read_from_chars([:], _787438), _818202, fail)), '$restore_trace'(_818226, _818228))
^  Call: (196) [system] sig_atomic(system:'$notrace'(_818226, _818228))
^  Exit: (195) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _818202, fail)), system:'$restore_trace'(3, -1))
   Call: (194) [system] atomic(:)
   Exit: (194) [system] atomic(:)
^  Exit: (193) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (192) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _825726)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _827584)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _834394)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _837098)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _846490)
   Exit: (192) [system] peek_char((0x56051b6b4f40), a)
   Call: (192) [system] a=')'
   Call: (192) [system] a=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _850204)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _852062)
   Exit: (194) [system] peek_char((0x56051b6b4f40), a)
   Call: (194) [system] a=(;)
^  Call: (194) [user] is_like_space(a)
   Call: (195) [system] char_type(a, 'white')
   Call: (195) [system] char_type(a, end_of_line)
   Call: (195) [system] char_type(a, space)
   Call: (195) [system] char_type(a, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _860530)
   Exit: (193) [system] get_char((0x56051b6b4f40), a)
   Call: (193) [system] a='('
   Call: (193) [system] a='['
   Call: (193) [system] a='{'
   Call: (193) [system] a='"'
   Call: (193) [system] a=!
   Call: (193) [system] a='\''
   Call: (193) [system] a='`'
   Call: (193) [system] a=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), a, _850204)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _870748)
   Call: (195) [system] peek_char((0x56051b6b4f40), _871682)
   Exit: (195) [system] peek_char((0x56051b6b4f40), b)
^  Call: (195) [user] is_delimiter(b)
   Call: (196) [system] char_type(b, space)
   Call: (196) [system] arg(_875474, v('(', ')', end_of_file), b)
   Call: (195) [system] ')'==b
   Call: (195) [system] get_char((0x56051b6b4f40), b)
   Exit: (195) [system] get_char((0x56051b6b4f40), b)
   Call: (195) [system] b=(\)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _880044)
   Call: (196) [system] peek_char((0x56051b6b4f40), _880978)
   Exit: (196) [system] peek_char((0x56051b6b4f40), c)
^  Call: (196) [user] is_delimiter(c)
   Call: (197) [system] char_type(c, space)
   Call: (197) [system] arg(_884770, v('(', ')', end_of_file), c)
   Call: (196) [system] ')'==c
   Call: (196) [system] get_char((0x56051b6b4f40), c)
   Exit: (196) [system] get_char((0x56051b6b4f40), c)
   Call: (196) [system] c=(\)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _889340)
   Call: (197) [system] peek_char((0x56051b6b4f40), _890274)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _889340=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (196) [system] _880044=[c]
   Exit: (196) [system] [c]=[c]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (195) [system] _870748=[b, c]
   Exit: (195) [system] [b, c]=[b, c]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (194) [user] classify_and_convert_charseq(a, [b, c], _850204)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_905172, _905174), once(user:catch(read_from_chars([a, b, c], _850204), _905148, fail)), '$restore_trace'(_905172, _905174))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_905172, _905174))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _905148, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(abc)
   Exit: (195) [system] atomic(abc)
^  Exit: (194) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _912672)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _914530)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _921340)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _924044)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _933436)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _937150)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _939008)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _947476)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _937150)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _953046)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (196) [system] 'I'=(;)
^  Call: (196) [user] is_like_space('I')
   Call: (197) [system] char_type('I', 'white')
   Call: (197) [system] char_type('I', end_of_line)
   Call: (197) [system] char_type('I', space)
   Call: (197) [system] char_type('I', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _961514)
   Exit: (195) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (195) [system] 'I'=')'
   Call: (195) [system] 'I'=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _965228)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _967086)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (197) [system] 'I'=(;)
^  Call: (197) [user] is_like_space('I')
   Call: (198) [system] char_type('I', 'white')
   Call: (198) [system] char_type('I', end_of_line)
   Call: (198) [system] char_type('I', space)
   Call: (198) [system] char_type('I', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _975554)
   Exit: (196) [system] get_char((0x56051b6b4f40), 'I')
   Call: (196) [system] 'I'='('
   Call: (196) [system] 'I'='['
   Call: (196) [system] 'I'='{'
   Call: (196) [system] 'I'='"'
   Call: (196) [system] 'I'=!
   Call: (196) [system] 'I'='\''
   Call: (196) [system] 'I'='`'
   Call: (196) [system] 'I'=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _965228)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _985772)
   Call: (198) [system] peek_char((0x56051b6b4f40), _986706)
   Exit: (198) [system] peek_char((0x56051b6b4f40), m)
^  Call: (198) [user] is_delimiter(m)
   Call: (199) [system] char_type(m, space)
   Call: (199) [system] arg(_990498, v('(', ')', end_of_file), m)
   Call: (198) [system] ')'==m
   Call: (198) [system] get_char((0x56051b6b4f40), m)
   Exit: (198) [system] get_char((0x56051b6b4f40), m)
   Call: (198) [system] m=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _995068)
   Call: (199) [system] peek_char((0x56051b6b4f40), _996002)
   Exit: (199) [system] peek_char((0x56051b6b4f40), p)
^  Call: (199) [user] is_delimiter(p)
   Call: (200) [system] char_type(p, space)
   Call: (200) [system] arg(_999794, v('(', ')', end_of_file), p)
   Call: (199) [system] ')'==p
   Call: (199) [system] get_char((0x56051b6b4f40), p)
   Exit: (199) [system] get_char((0x56051b6b4f40), p)
   Call: (199) [system] p=(\)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1004364)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1005298)
   Exit: (200) [system] peek_char((0x56051b6b4f40), l)
^  Call: (200) [user] is_delimiter(l)
   Call: (201) [system] char_type(l, space)
   Call: (201) [system] arg(_1009090, v('(', ')', end_of_file), l)
   Call: (200) [system] ')'==l
   Call: (200) [system] get_char((0x56051b6b4f40), l)
   Exit: (200) [system] get_char((0x56051b6b4f40), l)
   Call: (200) [system] l=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1013660)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1014594)
   Exit: (201) [system] peek_char((0x56051b6b4f40), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_1018386, v('(', ')', end_of_file), i)
   Call: (201) [system] ')'==i
   Call: (201) [system] get_char((0x56051b6b4f40), i)
   Exit: (201) [system] get_char((0x56051b6b4f40), i)
   Call: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1022956)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1023890)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
^  Call: (202) [user] is_delimiter(c)
   Call: (203) [system] char_type(c, space)
   Call: (203) [system] arg(_1027682, v('(', ')', end_of_file), c)
   Call: (202) [system] ')'==c
   Call: (202) [system] get_char((0x56051b6b4f40), c)
   Exit: (202) [system] get_char((0x56051b6b4f40), c)
   Call: (202) [system] c=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1032252)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1033186)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
^  Call: (203) [user] is_delimiter(a)
   Call: (204) [system] char_type(a, space)
   Call: (204) [system] arg(_1036978, v('(', ')', end_of_file), a)
   Call: (203) [system] ')'==a
   Call: (203) [system] get_char((0x56051b6b4f40), a)
   Exit: (203) [system] get_char((0x56051b6b4f40), a)
   Call: (203) [system] a=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1041548)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1042482)
   Exit: (204) [system] peek_char((0x56051b6b4f40), t)
^  Call: (204) [user] is_delimiter(t)
   Call: (205) [system] char_type(t, space)
   Call: (205) [system] arg(_1046274, v('(', ')', end_of_file), t)
   Call: (204) [system] ')'==t
   Call: (204) [system] get_char((0x56051b6b4f40), t)
   Exit: (204) [system] get_char((0x56051b6b4f40), t)
   Call: (204) [system] t=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1050844)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1051778)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1055570, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1060140)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1061074)
   Exit: (206) [system] peek_char((0x56051b6b4f40), o)
^  Call: (206) [user] is_delimiter(o)
   Call: (207) [system] char_type(o, space)
   Call: (207) [system] arg(_1064866, v('(', ')', end_of_file), o)
   Call: (206) [system] ')'==o
   Call: (206) [system] get_char((0x56051b6b4f40), o)
   Exit: (206) [system] get_char((0x56051b6b4f40), o)
   Call: (206) [system] o=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1069436)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1070370)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1074162, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1078732)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1079666)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1078732=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1069436=[n]
   Exit: (207) [system] [n]=[n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (206) [system] _1060140=[o, n]
   Exit: (206) [system] [o, n]=[o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (205) [system] _1050844=[i, o, n]
   Exit: (205) [system] [i, o, n]=[i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (204) [system] _1041548=[t, i, o, n]
   Exit: (204) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (203) [system] _1032252=[a, t, i, o, n]
   Exit: (203) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (202) [system] _1022956=[c, a, t, i, o, n]
   Exit: (202) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (201) [system] _1013660=[i, c, a, t, i, o, n]
   Exit: (201) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (200) [system] _1004364=[l, i, c, a, t, i, o, n]
   Exit: (200) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (199) [system] _995068=[p, l, i, c, a, t, i, o, n]
   Exit: (199) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (198) [system] _985772=[m, p, l, i, c, a, t, i, o, n]
   Exit: (198) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _965228)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_1116916, _1116918), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _965228), _1116892, fail)), '$restore_trace'(_1116916, _1116918))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_1116916, _1116918))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _965228), _1116892, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(_965228)
   Call: (198) [system] atom_chars(_965228, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (198) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (197) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _1125368)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1127226)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _1134036)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1136740)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1146132)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _1149846)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1151704)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _1160172)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1149846)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1165742)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (199) [system] 'A'=(;)
^  Call: (199) [user] is_like_space('A')
   Call: (200) [system] char_type('A', 'white')
   Call: (200) [system] char_type('A', end_of_line)
   Call: (200) [system] char_type('A', space)
   Call: (200) [system] char_type('A', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1174210)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (198) [system] 'A'=')'
   Call: (198) [system] 'A'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1177924)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1179782)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (200) [system] 'A'=(;)
^  Call: (200) [user] is_like_space('A')
   Call: (201) [system] char_type('A', 'white')
   Call: (201) [system] char_type('A', end_of_line)
   Call: (201) [system] char_type('A', space)
   Call: (201) [system] char_type('A', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1188250)
   Exit: (199) [system] get_char((0x56051b6b4f40), 'A')
   Call: (199) [system] 'A'='('
   Call: (199) [system] 'A'='['
   Call: (199) [system] 'A'='{'
   Call: (199) [system] 'A'='"'
   Call: (199) [system] 'A'=!
   Call: (199) [system] 'A'='\''
   Call: (199) [system] 'A'='`'
   Call: (199) [system] 'A'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1177924)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1198468)
   Call: (201) [system] peek_char((0x56051b6b4f40), _1199402)
   Exit: (201) [system] peek_char((0x56051b6b4f40), n)
^  Call: (201) [user] is_delimiter(n)
   Call: (202) [system] char_type(n, space)
   Call: (202) [system] arg(_1203194, v('(', ')', end_of_file), n)
   Call: (201) [system] ')'==n
   Call: (201) [system] get_char((0x56051b6b4f40), n)
   Exit: (201) [system] get_char((0x56051b6b4f40), n)
   Call: (201) [system] n=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1207764)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1208698)
   Exit: (202) [system] peek_char((0x56051b6b4f40), d)
^  Call: (202) [user] is_delimiter(d)
   Call: (203) [system] char_type(d, space)
   Call: (203) [system] arg(_1212490, v('(', ')', end_of_file), d)
   Call: (202) [system] ')'==d
   Call: (202) [system] get_char((0x56051b6b4f40), d)
   Exit: (202) [system] get_char((0x56051b6b4f40), d)
   Call: (202) [system] d=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1217060)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1217994)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_1221786, v('(', ')', end_of_file), 'L')
   Call: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (203) [system] get_char((0x56051b6b4f40), 'L')
   Call: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1226356)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1227290)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1231082, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1235652)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1236586)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1240378, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1244948)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1245882)
   Exit: (206) [system] peek_char((0x56051b6b4f40), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1249674, v('(', ')', end_of_file), k)
   Call: (206) [system] ')'==k
   Call: (206) [system] get_char((0x56051b6b4f40), k)
   Exit: (206) [system] get_char((0x56051b6b4f40), k)
   Call: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1254244)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1255178)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1254244=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1244948=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (205) [system] _1235652=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (204) [system] _1226356=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (203) [system] _1217060=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (202) [system] _1207764=[d, 'L', i, n, k]
   Exit: (202) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (201) [system] _1198468=[n, d, 'L', i, n, k]
   Exit: (201) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1177924)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1281252, _1281254), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1177924), _1281228, fail)), '$restore_trace'(_1281252, _1281254))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1281252, _1281254))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1177924), _1281228, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_1177924)
   Call: (201) [system] atom_chars(_1177924, ['A', n, d, 'L', i, n, k])
   Exit: (201) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (200) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1289704)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1291562)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1298372)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1301076)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1310468)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (199) [system] 'A'=')'
   Call: (199) [system] 'A'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1314182)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1316040)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (201) [system] 'A'=(;)
^  Call: (201) [user] is_like_space('A')
   Call: (202) [system] char_type('A', 'white')
   Call: (202) [system] char_type('A', end_of_line)
   Call: (202) [system] char_type('A', space)
   Call: (202) [system] char_type('A', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1324508)
   Exit: (200) [system] get_char((0x56051b6b4f40), 'A')
   Call: (200) [system] 'A'='('
   Call: (200) [system] 'A'='['
   Call: (200) [system] 'A'='{'
   Call: (200) [system] 'A'='"'
   Call: (200) [system] 'A'=!
   Call: (200) [system] 'A'='\''
   Call: (200) [system] 'A'='`'
   Call: (200) [system] 'A'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1314182)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1334726)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1335660)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1334726=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq('A', [], _1314182)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1344970, _1344972), once(user:catch(read_from_chars(['A'], _1314182), _1344946, fail)), '$restore_trace'(_1344970, _1344972))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1344970, _1344972))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1314182), _1344946, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1314182)
   Call: (202) [system] atom_chars(_1314182, ['A'])
   Exit: (202) [system] atom_chars('A', ['A'])
^  Exit: (201) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1353422)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1355280)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1362090)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1364794)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1374186)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (200) [system] 'B'=')'
   Call: (200) [system] 'B'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1377900)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1379758)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (202) [system] 'B'=(;)
^  Call: (202) [user] is_like_space('B')
   Call: (203) [system] char_type('B', 'white')
   Call: (203) [system] char_type('B', end_of_line)
   Call: (203) [system] char_type('B', space)
   Call: (203) [system] char_type('B', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1388226)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'B')
   Call: (201) [system] 'B'='('
   Call: (201) [system] 'B'='['
   Call: (201) [system] 'B'='{'
   Call: (201) [system] 'B'='"'
   Call: (201) [system] 'B'=!
   Call: (201) [system] 'B'='\''
   Call: (201) [system] 'B'='`'
   Call: (201) [system] 'B'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1377900)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1398444)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1399378)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (203) [user] is_delimiter(')')
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] arg(_1403170, v('(', ')', end_of_file), ')')
   Exit: (204) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (203) [user] is_delimiter(')')
   Call: (203) [system] _1398444=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq('B', [], _1377900)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1409632, _1409634), once(user:catch(read_from_chars(['B'], _1377900), _1409608, fail)), '$restore_trace'(_1409632, _1409634))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1409632, _1409634))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1377900), _1409608, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1377900)
   Call: (203) [system] atom_chars(_1377900, ['B'])
   Exit: (203) [system] atom_chars('B', ['B'])
^  Exit: (202) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1418084)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1419942)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1428410)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1432200)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1418084=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1353422=['B']
   Exit: (200) [system] ['B']=['B']
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (199) [system] _1289704=['A', 'B']
   Exit: (199) [system] ['A', 'B']=['A', 'B']
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (198) [system] _1149846=['AndLink', 'A', 'B']
   Exit: (198) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1446082)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1447940)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1454750)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1457454)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1466846)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (197) [system] 'C'=')'
   Call: (197) [system] 'C'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1470560)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1472418)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (199) [system] 'C'=(;)
^  Call: (199) [user] is_like_space('C')
   Call: (200) [system] char_type('C', 'white')
   Call: (200) [system] char_type('C', end_of_line)
   Call: (200) [system] char_type('C', space)
   Call: (200) [system] char_type('C', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1480886)
   Exit: (198) [system] get_char((0x56051b6b4f40), 'C')
   Call: (198) [system] 'C'='('
   Call: (198) [system] 'C'='['
   Call: (198) [system] 'C'='{'
   Call: (198) [system] 'C'='"'
   Call: (198) [system] 'C'=!
   Call: (198) [system] 'C'='\''
   Call: (198) [system] 'C'='`'
   Call: (198) [system] 'C'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1470560)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1491104)
   Call: (200) [system] peek_char((0x56051b6b4f40), _1492038)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (200) [user] is_delimiter(')')
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] arg(_1495830, v('(', ')', end_of_file), ')')
   Exit: (201) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (200) [user] is_delimiter(')')
   Call: (200) [system] _1491104=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (199) [user] classify_and_convert_charseq('C', [], _1470560)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_1502292, _1502294), once(user:catch(read_from_chars(['C'], _1470560), _1502268, fail)), '$restore_trace'(_1502292, _1502294))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_1502292, _1502294))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1470560), _1502268, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_1470560)
   Call: (200) [system] atom_chars(_1470560, ['C'])
   Exit: (200) [system] atom_chars('C', ['C'])
^  Exit: (199) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1510744)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1512602)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1521070)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _1524860)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _1510744=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _1446082=['C']
   Exit: (197) [system] ['C']=['C']
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (196) [system] _1125368=[['AndLink', 'A', 'B'], 'C']
   Exit: (196) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (195) [system] _937150=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (195) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1538742)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1540600)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=(;)
^  Call: (195) [user] is_like_space(')')
   Call: (196) [system] char_type(')', 'white')
   Call: (196) [system] char_type(')', end_of_line)
   Call: (196) [system] char_type(')', space)
   Call: (196) [system] char_type(')', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1549068)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ')')
   Call: (194) [system] ')'=')'
   Exit: (194) [system] ')'=')'
   Call: (194) [system] get_char((0x56051b6b4f40), _1552858)
   Exit: (194) [system] get_char((0x56051b6b4f40), ')')
   Call: (194) [system] _1538742=[]
   Exit: (194) [system] []=[]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (193) [system] _912672=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (193) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (192) [system] _825726=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (192) [system] [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (191) [system] _759360=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (191) [system] [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]=[:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (190) [user] read_list(')', (0x56051b6b4f40), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (189) [user] cont_sexpr(')', (0x56051b6b4f40), [:, abc, ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (189) [user] read_list(')', (0x56051b6b4f40), _1566740)
^  Call: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1568598)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (191) [system] '\n'=(;)
^  Call: (191) [user] is_like_space('\n')
   Call: (192) [system] char_type('\n', 'white')
   Call: (192) [system] char_type('\n', end_of_line)
   Exit: (192) [system] char_type('\n', end_of_line)
^  Exit: (191) [user] is_like_space('\n')
   Call: (191) [system] get_char((0x56051b6b4f40), _1576214)
   Exit: (191) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1578918)
   Exit: (192) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (192) [system] ' '=(;)
^  Call: (192) [user] is_like_space(' ')
   Call: (193) [system] char_type(' ', 'white')
   Exit: (193) [system] char_type(' ', 'white')
^  Exit: (192) [user] is_like_space(' ')
   Call: (192) [system] get_char((0x56051b6b4f40), _1585728)
   Exit: (192) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1588432)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (190) [user] skip_spaces((0x56051b6b4f40))
   Call: (190) [system] peek_char((0x56051b6b4f40), _1598748)
   Exit: (190) [system] peek_char((0x56051b6b4f40), '(')
   Call: (190) [system] '('=')'
   Call: (190) [system] '('=end_of_file
^  Call: (190) [user] cont_sexpr(')', (0x56051b6b4f40), _1602462)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1604320)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=(;)
^  Call: (192) [user] is_like_space('(')
   Call: (193) [system] char_type('(', 'white')
   Call: (193) [system] char_type('(', end_of_line)
   Call: (193) [system] char_type('(', space)
   Call: (193) [system] char_type('(', cntrl)
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] get_char((0x56051b6b4f40), _1612788)
   Exit: (191) [system] get_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('='('
   Exit: (191) [system] '('='('
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _1602462)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1618358)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=(;)
^  Call: (193) [user] is_like_space(:)
   Call: (194) [system] char_type(:, 'white')
   Call: (194) [system] char_type(:, end_of_line)
   Call: (194) [system] char_type(:, space)
   Call: (194) [system] char_type(:, cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1626826)
   Exit: (192) [system] peek_char((0x56051b6b4f40), :)
   Call: (192) [system] (:)=')'
   Call: (192) [system] (:)=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _1630540)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1632398)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _1640866)
   Exit: (193) [system] get_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)='('
   Call: (193) [system] (:)='['
   Call: (193) [system] (:)='{'
   Call: (193) [system] (:)='"'
   Call: (193) [system] (:)=!
   Call: (193) [system] (:)='\''
   Call: (193) [system] (:)='`'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] read_symbolic(')', (0x56051b6b4f40), :, _1630540)
^  Call: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1651084)
   Call: (195) [system] peek_char((0x56051b6b4f40), _1652018)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] is_delimiter(' ')
   Call: (196) [system] char_type(' ', space)
   Exit: (196) [system] char_type(' ', space)
^  Exit: (195) [user] is_delimiter(' ')
   Call: (195) [system] _1651084=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (194) [user] classify_and_convert_charseq(:, [], _1630540)
^  Call: (196) [system] setup_call_cleanup('$notrace'(_1661328, _1661330), once(user:catch(read_from_chars([:], _1630540), _1661304, fail)), '$restore_trace'(_1661328, _1661330))
^  Call: (197) [system] sig_atomic(system:'$notrace'(_1661328, _1661330))
^  Exit: (196) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1661304, fail)), system:'$restore_trace'(3, -1))
   Call: (195) [system] atomic(:)
   Exit: (195) [system] atomic(:)
^  Exit: (194) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (193) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1668828)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1670686)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _1677496)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1680200)
   Exit: (195) [system] peek_char((0x56051b6b4f40), a)
   Call: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1689592)
   Exit: (193) [system] peek_char((0x56051b6b4f40), a)
   Call: (193) [system] a=')'
   Call: (193) [system] a=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1693306)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1695164)
   Exit: (195) [system] peek_char((0x56051b6b4f40), a)
   Call: (195) [system] a=(;)
^  Call: (195) [user] is_like_space(a)
   Call: (196) [system] char_type(a, 'white')
   Call: (196) [system] char_type(a, end_of_line)
   Call: (196) [system] char_type(a, space)
   Call: (196) [system] char_type(a, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1703632)
   Exit: (194) [system] get_char((0x56051b6b4f40), a)
   Call: (194) [system] a='('
   Call: (194) [system] a='['
   Call: (194) [system] a='{'
   Call: (194) [system] a='"'
   Call: (194) [system] a=!
   Call: (194) [system] a='\''
   Call: (194) [system] a='`'
   Call: (194) [system] a=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), a, _1693306)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1713850)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1714784)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1713850=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(a, [], _1693306)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1724094, _1724096), once(user:catch(read_from_chars([a], _1693306), _1724070, fail)), '$restore_trace'(_1724094, _1724096))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1724094, _1724096))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1724070, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(a)
   Exit: (196) [system] atomic(a)
^  Exit: (195) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1731594)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1733452)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1740262)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1742966)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (196) [system] 'B'=(;)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1752358)
   Exit: (194) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (194) [system] 'B'=')'
   Call: (194) [system] 'B'=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1756072)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1757930)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (196) [system] 'B'=(;)
^  Call: (196) [user] is_like_space('B')
   Call: (197) [system] char_type('B', 'white')
   Call: (197) [system] char_type('B', end_of_line)
   Call: (197) [system] char_type('B', space)
   Call: (197) [system] char_type('B', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1766398)
   Exit: (195) [system] get_char((0x56051b6b4f40), 'B')
   Call: (195) [system] 'B'='('
   Call: (195) [system] 'B'='['
   Call: (195) [system] 'B'='{'
   Call: (195) [system] 'B'='"'
   Call: (195) [system] 'B'=!
   Call: (195) [system] 'B'='\''
   Call: (195) [system] 'B'='`'
   Call: (195) [system] 'B'=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1756072)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1776616)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1777550)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (197) [user] is_delimiter(')')
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] arg(_1781342, v('(', ')', end_of_file), ')')
   Exit: (198) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (197) [user] is_delimiter(')')
   Call: (197) [system] _1776616=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq('B', [], _1756072)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_1787804, _1787806), once(user:catch(read_from_chars(['B'], _1756072), _1787780, fail)), '$restore_trace'(_1787804, _1787806))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_1787804, _1787806))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1756072), _1787780, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(_1756072)
   Call: (197) [system] atom_chars(_1756072, ['B'])
   Exit: (197) [system] atom_chars('B', ['B'])
^  Exit: (196) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _1796256)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1798114)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=(;)
^  Call: (196) [user] is_like_space(')')
   Call: (197) [system] char_type(')', 'white')
   Call: (197) [system] char_type(')', end_of_line)
   Call: (197) [system] char_type(')', space)
   Call: (197) [system] char_type(')', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1806582)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ')')
   Call: (195) [system] ')'=')'
   Exit: (195) [system] ')'=')'
   Call: (195) [system] get_char((0x56051b6b4f40), _1810372)
   Exit: (195) [system] get_char((0x56051b6b4f40), ')')
   Call: (195) [system] _1796256=[]
   Exit: (195) [system] []=[]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (194) [system] _1731594=['B']
   Exit: (194) [system] ['B']=['B']
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (193) [system] _1668828=[a, 'B']
   Exit: (193) [system] [a, 'B']=[a, 'B']
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [a, 'B'])
   Call: (192) [system] _1602462=[:, a, 'B']
   Exit: (192) [system] [:, a, 'B']=[:, a, 'B']
^  Exit: (191) [user] read_list(')', (0x56051b6b4f40), [:, a, 'B'])
^  Exit: (190) [user] cont_sexpr(')', (0x56051b6b4f40), [:, a, 'B'])
^  Call: (190) [user] read_list(')', (0x56051b6b4f40), _1824254)
^  Call: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _1826112)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (192) [system] '\n'=(;)
^  Call: (192) [user] is_like_space('\n')
   Call: (193) [system] char_type('\n', 'white')
   Call: (193) [system] char_type('\n', end_of_line)
   Exit: (193) [system] char_type('\n', end_of_line)
^  Exit: (192) [user] is_like_space('\n')
   Call: (192) [system] get_char((0x56051b6b4f40), _1833728)
   Exit: (192) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1836432)
   Exit: (193) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (193) [system] ' '=(;)
^  Call: (193) [user] is_like_space(' ')
   Call: (194) [system] char_type(' ', 'white')
   Exit: (194) [system] char_type(' ', 'white')
^  Exit: (193) [user] is_like_space(' ')
   Call: (193) [system] get_char((0x56051b6b4f40), _1843242)
   Exit: (193) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1845946)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (191) [user] skip_spaces((0x56051b6b4f40))
   Call: (191) [system] peek_char((0x56051b6b4f40), _1856262)
   Exit: (191) [system] peek_char((0x56051b6b4f40), '(')
   Call: (191) [system] '('=')'
   Call: (191) [system] '('=end_of_file
^  Call: (191) [user] cont_sexpr(')', (0x56051b6b4f40), _1859976)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1861834)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=(;)
^  Call: (193) [user] is_like_space('(')
   Call: (194) [system] char_type('(', 'white')
   Call: (194) [system] char_type('(', end_of_line)
   Call: (194) [system] char_type('(', space)
   Call: (194) [system] char_type('(', cntrl)
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] get_char((0x56051b6b4f40), _1870302)
   Exit: (192) [system] get_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('='('
   Exit: (192) [system] '('='('
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _1859976)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1875872)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=(;)
^  Call: (194) [user] is_like_space(:)
   Call: (195) [system] char_type(:, 'white')
   Call: (195) [system] char_type(:, end_of_line)
   Call: (195) [system] char_type(:, space)
   Call: (195) [system] char_type(:, cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _1884340)
   Exit: (193) [system] peek_char((0x56051b6b4f40), :)
   Call: (193) [system] (:)=')'
   Call: (193) [system] (:)=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _1888054)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1889912)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _1898380)
   Exit: (194) [system] get_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)='('
   Call: (194) [system] (:)='['
   Call: (194) [system] (:)='{'
   Call: (194) [system] (:)='"'
   Call: (194) [system] (:)=!
   Call: (194) [system] (:)='\''
   Call: (194) [system] (:)='`'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, _1888054)
^  Call: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1908598)
   Call: (196) [system] peek_char((0x56051b6b4f40), _1909532)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] is_delimiter(' ')
   Call: (197) [system] char_type(' ', space)
   Exit: (197) [system] char_type(' ', space)
^  Exit: (196) [user] is_delimiter(' ')
   Call: (196) [system] _1908598=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (195) [user] classify_and_convert_charseq(:, [], _1888054)
^  Call: (197) [system] setup_call_cleanup('$notrace'(_1918842, _1918844), once(user:catch(read_from_chars([:], _1888054), _1918818, fail)), '$restore_trace'(_1918842, _1918844))
^  Call: (198) [system] sig_atomic(system:'$notrace'(_1918842, _1918844))
^  Exit: (197) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1918818, fail)), system:'$restore_trace'(3, -1))
   Call: (196) [system] atomic(:)
   Exit: (196) [system] atomic(:)
^  Exit: (195) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (194) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _1926342)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _1928200)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _1935010)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1937714)
   Exit: (196) [system] peek_char((0x56051b6b4f40), c)
   Call: (196) [system] c=(;)
^  Call: (196) [user] is_like_space(c)
   Call: (197) [system] char_type(c, 'white')
   Call: (197) [system] char_type(c, end_of_line)
   Call: (197) [system] char_type(c, space)
   Call: (197) [system] char_type(c, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _1947106)
   Exit: (194) [system] peek_char((0x56051b6b4f40), c)
   Call: (194) [system] c=')'
   Call: (194) [system] c=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _1950820)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _1952678)
   Exit: (196) [system] peek_char((0x56051b6b4f40), c)
   Call: (196) [system] c=(;)
^  Call: (196) [user] is_like_space(c)
   Call: (197) [system] char_type(c, 'white')
   Call: (197) [system] char_type(c, end_of_line)
   Call: (197) [system] char_type(c, space)
   Call: (197) [system] char_type(c, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _1961146)
   Exit: (195) [system] get_char((0x56051b6b4f40), c)
   Call: (195) [system] c='('
   Call: (195) [system] c='['
   Call: (195) [system] c='{'
   Call: (195) [system] c='"'
   Call: (195) [system] c=!
   Call: (195) [system] c='\''
   Call: (195) [system] c='`'
   Call: (195) [system] c=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), c, _1950820)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1971364)
   Call: (197) [system] peek_char((0x56051b6b4f40), _1972298)
   Exit: (197) [system] peek_char((0x56051b6b4f40), d)
^  Call: (197) [user] is_delimiter(d)
   Call: (198) [system] char_type(d, space)
   Call: (198) [system] arg(_1976090, v('(', ')', end_of_file), d)
   Call: (197) [system] ')'==d
   Call: (197) [system] get_char((0x56051b6b4f40), d)
   Exit: (197) [system] get_char((0x56051b6b4f40), d)
   Call: (197) [system] d=(\)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1980660)
   Call: (198) [system] peek_char((0x56051b6b4f40), _1981594)
   Exit: (198) [system] peek_char((0x56051b6b4f40), e)
^  Call: (198) [user] is_delimiter(e)
   Call: (199) [system] char_type(e, space)
   Call: (199) [system] arg(_1985386, v('(', ')', end_of_file), e)
   Call: (198) [system] ')'==e
   Call: (198) [system] get_char((0x56051b6b4f40), e)
   Exit: (198) [system] get_char((0x56051b6b4f40), e)
   Call: (198) [system] e=(\)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1989956)
   Call: (199) [system] peek_char((0x56051b6b4f40), _1990890)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _1989956=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (198) [system] _1980660=[e]
   Exit: (198) [system] [e]=[e]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (197) [system] _1971364=[d, e]
   Exit: (197) [system] [d, e]=[d, e]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (196) [user] classify_and_convert_charseq(c, [d, e], _1950820)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_2005788, _2005790), once(user:catch(read_from_chars([c, d, e], _1950820), _2005764, fail)), '$restore_trace'(_2005788, _2005790))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_2005788, _2005790))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _2005764, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(cde)
   Exit: (197) [system] atomic(cde)
^  Exit: (196) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _2013288)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _2015146)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _2021956)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2024660)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _2034052)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _2037766)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2039624)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _2048092)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _2037766)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _2053662)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (198) [system] 'I'=(;)
^  Call: (198) [user] is_like_space('I')
   Call: (199) [system] char_type('I', 'white')
   Call: (199) [system] char_type('I', end_of_line)
   Call: (199) [system] char_type('I', space)
   Call: (199) [system] char_type('I', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _2062130)
   Exit: (197) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (197) [system] 'I'=')'
   Call: (197) [system] 'I'=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _2065844)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _2067702)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (199) [system] 'I'=(;)
^  Call: (199) [user] is_like_space('I')
   Call: (200) [system] char_type('I', 'white')
   Call: (200) [system] char_type('I', end_of_line)
   Call: (200) [system] char_type('I', space)
   Call: (200) [system] char_type('I', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _2076170)
   Exit: (198) [system] get_char((0x56051b6b4f40), 'I')
   Call: (198) [system] 'I'='('
   Call: (198) [system] 'I'='['
   Call: (198) [system] 'I'='{'
   Call: (198) [system] 'I'='"'
   Call: (198) [system] 'I'=!
   Call: (198) [system] 'I'='\''
   Call: (198) [system] 'I'='`'
   Call: (198) [system] 'I'=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _2065844)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2086388)
   Call: (200) [system] peek_char((0x56051b6b4f40), _2087322)
   Exit: (200) [system] peek_char((0x56051b6b4f40), m)
^  Call: (200) [user] is_delimiter(m)
   Call: (201) [system] char_type(m, space)
   Call: (201) [system] arg(_2091114, v('(', ')', end_of_file), m)
   Call: (200) [system] ')'==m
   Call: (200) [system] get_char((0x56051b6b4f40), m)
   Exit: (200) [system] get_char((0x56051b6b4f40), m)
   Call: (200) [system] m=(\)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2095684)
   Call: (201) [system] peek_char((0x56051b6b4f40), _3584)
   Exit: (201) [system] peek_char((0x56051b6b4f40), p)
^  Call: (201) [user] is_delimiter(p)
   Call: (202) [system] char_type(p, space)
   Call: (202) [system] arg(_7194, v('(', ')', end_of_file), p)
   Call: (201) [system] ')'==p
   Call: (201) [system] get_char((0x56051b6b4f40), p)
   Exit: (201) [system] get_char((0x56051b6b4f40), p)
   Call: (201) [system] p=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _11764)
   Call: (202) [system] peek_char((0x56051b6b4f40), _12698)
   Exit: (202) [system] peek_char((0x56051b6b4f40), l)
^  Call: (202) [user] is_delimiter(l)
   Call: (203) [system] char_type(l, space)
   Call: (203) [system] arg(_16490, v('(', ')', end_of_file), l)
   Call: (202) [system] ')'==l
   Call: (202) [system] get_char((0x56051b6b4f40), l)
   Exit: (202) [system] get_char((0x56051b6b4f40), l)
   Call: (202) [system] l=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _21060)
   Call: (203) [system] peek_char((0x56051b6b4f40), _21994)
   Exit: (203) [system] peek_char((0x56051b6b4f40), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_25786, v('(', ')', end_of_file), i)
   Call: (203) [system] ')'==i
   Call: (203) [system] get_char((0x56051b6b4f40), i)
   Exit: (203) [system] get_char((0x56051b6b4f40), i)
   Call: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _30356)
   Call: (204) [system] peek_char((0x56051b6b4f40), _31290)
   Exit: (204) [system] peek_char((0x56051b6b4f40), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_35082, v('(', ')', end_of_file), c)
   Call: (204) [system] ')'==c
   Call: (204) [system] get_char((0x56051b6b4f40), c)
   Exit: (204) [system] get_char((0x56051b6b4f40), c)
   Call: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _39652)
   Call: (205) [system] peek_char((0x56051b6b4f40), _40586)
   Exit: (205) [system] peek_char((0x56051b6b4f40), a)
^  Call: (205) [user] is_delimiter(a)
   Call: (206) [system] char_type(a, space)
   Call: (206) [system] arg(_44378, v('(', ')', end_of_file), a)
   Call: (205) [system] ')'==a
   Call: (205) [system] get_char((0x56051b6b4f40), a)
   Exit: (205) [system] get_char((0x56051b6b4f40), a)
   Call: (205) [system] a=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _48948)
   Call: (206) [system] peek_char((0x56051b6b4f40), _49882)
   Exit: (206) [system] peek_char((0x56051b6b4f40), t)
^  Call: (206) [user] is_delimiter(t)
   Call: (207) [system] char_type(t, space)
   Call: (207) [system] arg(_53674, v('(', ')', end_of_file), t)
   Call: (206) [system] ')'==t
   Call: (206) [system] get_char((0x56051b6b4f40), t)
   Exit: (206) [system] get_char((0x56051b6b4f40), t)
   Call: (206) [system] t=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _58244)
   Call: (207) [system] peek_char((0x56051b6b4f40), _59178)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_62970, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _67540)
   Call: (208) [system] peek_char((0x56051b6b4f40), _68474)
   Exit: (208) [system] peek_char((0x56051b6b4f40), o)
^  Call: (208) [user] is_delimiter(o)
   Call: (209) [system] char_type(o, space)
   Call: (209) [system] arg(_72266, v('(', ')', end_of_file), o)
   Call: (208) [system] ')'==o
   Call: (208) [system] get_char((0x56051b6b4f40), o)
   Exit: (208) [system] get_char((0x56051b6b4f40), o)
   Call: (208) [system] o=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _76836)
   Call: (209) [system] peek_char((0x56051b6b4f40), _77770)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_81562, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _86132)
   Call: (210) [system] peek_char((0x56051b6b4f40), _87066)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _86132=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _76836=[n]
   Exit: (209) [system] [n]=[n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (208) [system] _67540=[o, n]
   Exit: (208) [system] [o, n]=[o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (207) [system] _58244=[i, o, n]
   Exit: (207) [system] [i, o, n]=[i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (206) [system] _48948=[t, i, o, n]
   Exit: (206) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (205) [system] _39652=[a, t, i, o, n]
   Exit: (205) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (204) [system] _30356=[c, a, t, i, o, n]
   Exit: (204) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (203) [system] _21060=[i, c, a, t, i, o, n]
   Exit: (203) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (202) [system] _11764=[l, i, c, a, t, i, o, n]
   Exit: (202) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (201) [system] _3580=[p, l, i, c, a, t, i, o, n]
   Exit: (201) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (200) [system] _3576=[m, p, l, i, c, a, t, i, o, n]
   Exit: (200) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (199) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _3572)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_124316, _124318), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _3572), _124292, fail)), '$restore_trace'(_124316, _124318))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_124316, _124318))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _3572), _124292, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(_3572)
   Call: (200) [system] atom_chars(_3572, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (200) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (199) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _132768)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _134626)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _141436)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _144140)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _153532)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _157246)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _159104)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _167572)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _157246)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _173142)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (201) [system] 'O'=(;)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _181610)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (200) [system] 'O'=')'
   Call: (200) [system] 'O'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _185324)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _187182)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (202) [system] 'O'=(;)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _195650)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'O')
   Call: (201) [system] 'O'='('
   Call: (201) [system] 'O'='['
   Call: (201) [system] 'O'='{'
   Call: (201) [system] 'O'='"'
   Call: (201) [system] 'O'=!
   Call: (201) [system] 'O'='\''
   Call: (201) [system] 'O'='`'
   Call: (201) [system] 'O'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _185324)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _205868)
   Call: (203) [system] peek_char((0x56051b6b4f40), _206802)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_210594, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _215164)
   Call: (204) [system] peek_char((0x56051b6b4f40), _216098)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_219890, v('(', ')', end_of_file), 'L')
   Call: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (204) [system] get_char((0x56051b6b4f40), 'L')
   Call: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _224460)
   Call: (205) [system] peek_char((0x56051b6b4f40), _225394)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_229186, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _233756)
   Call: (206) [system] peek_char((0x56051b6b4f40), _234690)
   Exit: (206) [system] peek_char((0x56051b6b4f40), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_238482, v('(', ')', end_of_file), n)
   Call: (206) [system] ')'==n
   Call: (206) [system] get_char((0x56051b6b4f40), n)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _243052)
   Call: (207) [system] peek_char((0x56051b6b4f40), _243986)
   Exit: (207) [system] peek_char((0x56051b6b4f40), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_247778, v('(', ')', end_of_file), k)
   Call: (207) [system] ')'==k
   Call: (207) [system] get_char((0x56051b6b4f40), k)
   Exit: (207) [system] get_char((0x56051b6b4f40), k)
   Call: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _252348)
   Call: (208) [system] peek_char((0x56051b6b4f40), _253282)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _252348=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _243052=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (206) [system] _233756=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (205) [system] _224460=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (204) [system] _215164=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (203) [system] _205868=[r, 'L', i, n, k]
   Exit: (203) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _185324)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_276562, _276564), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _185324), _276538, fail)), '$restore_trace'(_276562, _276564))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_276562, _276564))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _185324), _276538, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_185324)
   Call: (203) [system] atom_chars(_185324, ['O', r, 'L', i, n, k])
   Exit: (203) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _285014)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _286872)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _293682)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _296386)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (203) [system] 'C'=(;)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _305778)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (201) [system] 'C'=')'
   Call: (201) [system] 'C'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _309492)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _311350)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (203) [system] 'C'=(;)
^  Call: (203) [user] is_like_space('C')
   Call: (204) [system] char_type('C', 'white')
   Call: (204) [system] char_type('C', end_of_line)
   Call: (204) [system] char_type('C', space)
   Call: (204) [system] char_type('C', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _319818)
   Exit: (202) [system] get_char((0x56051b6b4f40), 'C')
   Call: (202) [system] 'C'='('
   Call: (202) [system] 'C'='['
   Call: (202) [system] 'C'='{'
   Call: (202) [system] 'C'='"'
   Call: (202) [system] 'C'=!
   Call: (202) [system] 'C'='\''
   Call: (202) [system] 'C'='`'
   Call: (202) [system] 'C'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _309492)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _330036)
   Call: (204) [system] peek_char((0x56051b6b4f40), _330970)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _330036=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (203) [user] classify_and_convert_charseq('C', [], _309492)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_340280, _340282), once(user:catch(read_from_chars(['C'], _309492), _340256, fail)), '$restore_trace'(_340280, _340282))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_340280, _340282))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _309492), _340256, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_309492)
   Call: (204) [system] atom_chars(_309492, ['C'])
   Exit: (204) [system] atom_chars('C', ['C'])
^  Exit: (203) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _348732)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _350590)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _357400)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _360104)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (204) [system] 'D'=(;)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _369496)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (202) [system] 'D'=')'
   Call: (202) [system] 'D'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _373210)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _375068)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (204) [system] 'D'=(;)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _383536)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'D')
   Call: (203) [system] 'D'='('
   Call: (203) [system] 'D'='['
   Call: (203) [system] 'D'='{'
   Call: (203) [system] 'D'='"'
   Call: (203) [system] 'D'=!
   Call: (203) [system] 'D'='\''
   Call: (203) [system] 'D'='`'
   Call: (203) [system] 'D'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _373210)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _393754)
   Call: (205) [system] peek_char((0x56051b6b4f40), _394688)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_398480, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _393754=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (204) [user] classify_and_convert_charseq('D', [], _373210)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_404942, _404944), once(user:catch(read_from_chars(['D'], _373210), _404918, fail)), '$restore_trace'(_404942, _404944))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_404942, _404944))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _373210), _404918, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_373210)
   Call: (205) [system] atom_chars(_373210, ['D'])
   Exit: (205) [system] atom_chars('D', ['D'])
^  Exit: (204) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _413394)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _415252)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _423720)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _427510)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _413394=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _348732=['D']
   Exit: (202) [system] ['D']=['D']
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (201) [system] _285014=['C', 'D']
   Exit: (201) [system] ['C', 'D']=['C', 'D']
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (200) [system] _157246=['OrLink', 'C', 'D']
   Exit: (200) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _441392)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _443250)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _450060)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _452764)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (201) [system] 'E'=(;)
^  Call: (201) [user] is_like_space('E')
   Call: (202) [system] char_type('E', 'white')
   Call: (202) [system] char_type('E', end_of_line)
   Call: (202) [system] char_type('E', space)
   Call: (202) [system] char_type('E', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _462156)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (199) [system] 'E'=')'
   Call: (199) [system] 'E'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _465870)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _467728)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (201) [system] 'E'=(;)
^  Call: (201) [user] is_like_space('E')
   Call: (202) [system] char_type('E', 'white')
   Call: (202) [system] char_type('E', end_of_line)
   Call: (202) [system] char_type('E', space)
   Call: (202) [system] char_type('E', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _476196)
   Exit: (200) [system] get_char((0x56051b6b4f40), 'E')
   Call: (200) [system] 'E'='('
   Call: (200) [system] 'E'='['
   Call: (200) [system] 'E'='{'
   Call: (200) [system] 'E'='"'
   Call: (200) [system] 'E'=!
   Call: (200) [system] 'E'='\''
   Call: (200) [system] 'E'='`'
   Call: (200) [system] 'E'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _465870)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _486414)
   Call: (202) [system] peek_char((0x56051b6b4f40), _487348)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (202) [user] is_delimiter(')')
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] arg(_491140, v('(', ')', end_of_file), ')')
   Exit: (203) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (202) [user] is_delimiter(')')
   Call: (202) [system] _486414=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq('E', [], _465870)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_497602, _497604), once(user:catch(read_from_chars(['E'], _465870), _497578, fail)), '$restore_trace'(_497602, _497604))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_497602, _497604))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _465870), _497578, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_465870)
   Call: (202) [system] atom_chars(_465870, ['E'])
   Exit: (202) [system] atom_chars('E', ['E'])
^  Exit: (201) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _506054)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _507912)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _516380)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x56051b6b4f40), _520170)
   Exit: (200) [system] get_char((0x56051b6b4f40), ')')
   Call: (200) [system] _506054=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (199) [system] _441392=['E']
   Exit: (199) [system] ['E']=['E']
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (198) [system] _132768=[['OrLink', 'C', 'D'], 'E']
   Exit: (198) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (197) [system] _3566=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (197) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _534052)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _535910)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=(;)
^  Call: (197) [user] is_like_space(')')
   Call: (198) [system] char_type(')', 'white')
   Call: (198) [system] char_type(')', end_of_line)
   Call: (198) [system] char_type(')', space)
   Call: (198) [system] char_type(')', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _544378)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ')')
   Call: (196) [system] ')'=')'
   Exit: (196) [system] ')'=')'
   Call: (196) [system] get_char((0x56051b6b4f40), _548168)
   Exit: (196) [system] get_char((0x56051b6b4f40), ')')
   Call: (196) [system] _534052=[]
   Exit: (196) [system] []=[]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (195) [system] _3562=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (195) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (194) [system] _3556=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (194) [system] [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (193) [system] _3548=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (193) [system] [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]=[:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (192) [user] read_list(')', (0x56051b6b4f40), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (191) [user] cont_sexpr(')', (0x56051b6b4f40), [:, cde, ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (191) [user] read_list(')', (0x56051b6b4f40), _562050)
^  Call: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _563908)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (193) [system] '\n'=(;)
^  Call: (193) [user] is_like_space('\n')
   Call: (194) [system] char_type('\n', 'white')
   Call: (194) [system] char_type('\n', end_of_line)
   Exit: (194) [system] char_type('\n', end_of_line)
^  Exit: (193) [user] is_like_space('\n')
   Call: (193) [system] get_char((0x56051b6b4f40), _571524)
   Exit: (193) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _574228)
   Exit: (194) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (194) [system] ' '=(;)
^  Call: (194) [user] is_like_space(' ')
   Call: (195) [system] char_type(' ', 'white')
   Exit: (195) [system] char_type(' ', 'white')
^  Exit: (194) [user] is_like_space(' ')
   Call: (194) [system] get_char((0x56051b6b4f40), _581038)
   Exit: (194) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _583742)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (192) [user] skip_spaces((0x56051b6b4f40))
   Call: (192) [system] peek_char((0x56051b6b4f40), _594058)
   Exit: (192) [system] peek_char((0x56051b6b4f40), '(')
   Call: (192) [system] '('=')'
   Call: (192) [system] '('=end_of_file
^  Call: (192) [user] cont_sexpr(')', (0x56051b6b4f40), _597772)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _599630)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=(;)
^  Call: (194) [user] is_like_space('(')
   Call: (195) [system] char_type('(', 'white')
   Call: (195) [system] char_type('(', end_of_line)
   Call: (195) [system] char_type('(', space)
   Call: (195) [system] char_type('(', cntrl)
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] get_char((0x56051b6b4f40), _608098)
   Exit: (193) [system] get_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('='('
   Exit: (193) [system] '('='('
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _597772)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _613668)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=(;)
^  Call: (195) [user] is_like_space(:)
   Call: (196) [system] char_type(:, 'white')
   Call: (196) [system] char_type(:, end_of_line)
   Call: (196) [system] char_type(:, space)
   Call: (196) [system] char_type(:, cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _622136)
   Exit: (194) [system] peek_char((0x56051b6b4f40), :)
   Call: (194) [system] (:)=')'
   Call: (194) [system] (:)=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _625850)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _627708)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _636176)
   Exit: (195) [system] get_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)='('
   Call: (195) [system] (:)='['
   Call: (195) [system] (:)='{'
   Call: (195) [system] (:)='"'
   Call: (195) [system] (:)=!
   Call: (195) [system] (:)='\''
   Call: (195) [system] (:)='`'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, _625850)
^  Call: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), _646394)
   Call: (197) [system] peek_char((0x56051b6b4f40), _647328)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] is_delimiter(' ')
   Call: (198) [system] char_type(' ', space)
   Exit: (198) [system] char_type(' ', space)
^  Exit: (197) [user] is_delimiter(' ')
   Call: (197) [system] _646394=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (196) [user] classify_and_convert_charseq(:, [], _625850)
^  Call: (198) [system] setup_call_cleanup('$notrace'(_656638, _656640), once(user:catch(read_from_chars([:], _625850), _656614, fail)), '$restore_trace'(_656638, _656640))
^  Call: (199) [system] sig_atomic(system:'$notrace'(_656638, _656640))
^  Exit: (198) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _656614, fail)), system:'$restore_trace'(3, -1))
   Call: (197) [system] atomic(:)
   Exit: (197) [system] atomic(:)
^  Exit: (196) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (195) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _664138)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _665996)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _672806)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _675510)
   Exit: (197) [system] peek_char((0x56051b6b4f40), a)
   Call: (197) [system] a=(;)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _684902)
   Exit: (195) [system] peek_char((0x56051b6b4f40), a)
   Call: (195) [system] a=')'
   Call: (195) [system] a=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _688616)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _690474)
   Exit: (197) [system] peek_char((0x56051b6b4f40), a)
   Call: (197) [system] a=(;)
^  Call: (197) [user] is_like_space(a)
   Call: (198) [system] char_type(a, 'white')
   Call: (198) [system] char_type(a, end_of_line)
   Call: (198) [system] char_type(a, space)
   Call: (198) [system] char_type(a, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _698942)
   Exit: (196) [system] get_char((0x56051b6b4f40), a)
   Call: (196) [system] a='('
   Call: (196) [system] a='['
   Call: (196) [system] a='{'
   Call: (196) [system] a='"'
   Call: (196) [system] a=!
   Call: (196) [system] a='\''
   Call: (196) [system] a='`'
   Call: (196) [system] a=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), a, _688616)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _709160)
   Call: (198) [system] peek_char((0x56051b6b4f40), _710094)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _709160=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq(a, [], _688616)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_719404, _719406), once(user:catch(read_from_chars([a], _688616), _719380, fail)), '$restore_trace'(_719404, _719406))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_719404, _719406))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _719380, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(a)
   Exit: (198) [system] atomic(a)
^  Exit: (197) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _726904)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _728762)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _735572)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _738276)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (198) [system] 'A'=(;)
^  Call: (198) [user] is_like_space('A')
   Call: (199) [system] char_type('A', 'white')
   Call: (199) [system] char_type('A', end_of_line)
   Call: (199) [system] char_type('A', space)
   Call: (199) [system] char_type('A', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _747668)
   Exit: (196) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (196) [system] 'A'=')'
   Call: (196) [system] 'A'=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _751382)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _753240)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (198) [system] 'A'=(;)
^  Call: (198) [user] is_like_space('A')
   Call: (199) [system] char_type('A', 'white')
   Call: (199) [system] char_type('A', end_of_line)
   Call: (199) [system] char_type('A', space)
   Call: (199) [system] char_type('A', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _761708)
   Exit: (197) [system] get_char((0x56051b6b4f40), 'A')
   Call: (197) [system] 'A'='('
   Call: (197) [system] 'A'='['
   Call: (197) [system] 'A'='{'
   Call: (197) [system] 'A'='"'
   Call: (197) [system] 'A'=!
   Call: (197) [system] 'A'='\''
   Call: (197) [system] 'A'='`'
   Call: (197) [system] 'A'=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _751382)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _771926)
   Call: (199) [system] peek_char((0x56051b6b4f40), _772860)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (199) [user] is_delimiter(')')
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] arg(_776652, v('(', ')', end_of_file), ')')
   Exit: (200) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (199) [user] is_delimiter(')')
   Call: (199) [system] _771926=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (198) [user] classify_and_convert_charseq('A', [], _751382)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_783114, _783116), once(user:catch(read_from_chars(['A'], _751382), _783090, fail)), '$restore_trace'(_783114, _783116))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_783114, _783116))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _751382), _783090, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(_751382)
   Call: (199) [system] atom_chars(_751382, ['A'])
   Exit: (199) [system] atom_chars('A', ['A'])
^  Exit: (198) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _791566)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _793424)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=(;)
^  Call: (198) [user] is_like_space(')')
   Call: (199) [system] char_type(')', 'white')
   Call: (199) [system] char_type(')', end_of_line)
   Call: (199) [system] char_type(')', space)
   Call: (199) [system] char_type(')', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _801892)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ')')
   Call: (197) [system] ')'=')'
   Exit: (197) [system] ')'=')'
   Call: (197) [system] get_char((0x56051b6b4f40), _805682)
   Exit: (197) [system] get_char((0x56051b6b4f40), ')')
   Call: (197) [system] _791566=[]
   Exit: (197) [system] []=[]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (196) [system] _726904=['A']
   Exit: (196) [system] ['A']=['A']
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (195) [system] _664138=[a, 'A']
   Exit: (195) [system] [a, 'A']=[a, 'A']
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [a, 'A'])
   Call: (194) [system] _597772=[:, a, 'A']
   Exit: (194) [system] [:, a, 'A']=[:, a, 'A']
^  Exit: (193) [user] read_list(')', (0x56051b6b4f40), [:, a, 'A'])
^  Exit: (192) [user] cont_sexpr(')', (0x56051b6b4f40), [:, a, 'A'])
^  Call: (192) [user] read_list(')', (0x56051b6b4f40), _819564)
^  Call: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _821422)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (194) [system] '\n'=(;)
^  Call: (194) [user] is_like_space('\n')
   Call: (195) [system] char_type('\n', 'white')
   Call: (195) [system] char_type('\n', end_of_line)
   Exit: (195) [system] char_type('\n', end_of_line)
^  Exit: (194) [user] is_like_space('\n')
   Call: (194) [system] get_char((0x56051b6b4f40), _829038)
   Exit: (194) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _831742)
   Exit: (195) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (195) [system] ' '=(;)
^  Call: (195) [user] is_like_space(' ')
   Call: (196) [system] char_type(' ', 'white')
   Exit: (196) [system] char_type(' ', 'white')
^  Exit: (195) [user] is_like_space(' ')
   Call: (195) [system] get_char((0x56051b6b4f40), _838552)
   Exit: (195) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _841256)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (193) [user] skip_spaces((0x56051b6b4f40))
   Call: (193) [system] peek_char((0x56051b6b4f40), _851572)
   Exit: (193) [system] peek_char((0x56051b6b4f40), '(')
   Call: (193) [system] '('=')'
   Call: (193) [system] '('=end_of_file
^  Call: (193) [user] cont_sexpr(')', (0x56051b6b4f40), _855286)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _857144)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=(;)
^  Call: (195) [user] is_like_space('(')
   Call: (196) [system] char_type('(', 'white')
   Call: (196) [system] char_type('(', end_of_line)
   Call: (196) [system] char_type('(', space)
   Call: (196) [system] char_type('(', cntrl)
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] get_char((0x56051b6b4f40), _865612)
   Exit: (194) [system] get_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('='('
   Exit: (194) [system] '('='('
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _855286)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _871182)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=(;)
^  Call: (196) [user] is_like_space(:)
   Call: (197) [system] char_type(:, 'white')
   Call: (197) [system] char_type(:, end_of_line)
   Call: (197) [system] char_type(:, space)
   Call: (197) [system] char_type(:, cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _879650)
   Exit: (195) [system] peek_char((0x56051b6b4f40), :)
   Call: (195) [system] (:)=')'
   Call: (195) [system] (:)=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _883364)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _885222)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _893690)
   Exit: (196) [system] get_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)='('
   Call: (196) [system] (:)='['
   Call: (196) [system] (:)='{'
   Call: (196) [system] (:)='"'
   Call: (196) [system] (:)=!
   Call: (196) [system] (:)='\''
   Call: (196) [system] (:)='`'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, _883364)
^  Call: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), _903908)
   Call: (198) [system] peek_char((0x56051b6b4f40), _904842)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] is_delimiter(' ')
   Call: (199) [system] char_type(' ', space)
   Exit: (199) [system] char_type(' ', space)
^  Exit: (198) [user] is_delimiter(' ')
   Call: (198) [system] _903908=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (197) [user] classify_and_convert_charseq(:, [], _883364)
^  Call: (199) [system] setup_call_cleanup('$notrace'(_914152, _914154), once(user:catch(read_from_chars([:], _883364), _914128, fail)), '$restore_trace'(_914152, _914154))
^  Call: (200) [system] sig_atomic(system:'$notrace'(_914152, _914154))
^  Exit: (199) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _914128, fail)), system:'$restore_trace'(3, -1))
   Call: (198) [system] atomic(:)
   Exit: (198) [system] atomic(:)
^  Exit: (197) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (196) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _921652)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _923510)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _930320)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _933024)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _942416)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _946130)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _947988)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _956456)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _946130)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _962026)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (199) [system] 'D'=(;)
^  Call: (199) [user] is_like_space('D')
   Call: (200) [system] char_type('D', 'white')
   Call: (200) [system] char_type('D', end_of_line)
   Call: (200) [system] char_type('D', space)
   Call: (200) [system] char_type('D', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _970494)
   Exit: (198) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (198) [system] 'D'=')'
   Call: (198) [system] 'D'=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _974208)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _976066)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (200) [system] 'D'=(;)
^  Call: (200) [user] is_like_space('D')
   Call: (201) [system] char_type('D', 'white')
   Call: (201) [system] char_type('D', end_of_line)
   Call: (201) [system] char_type('D', space)
   Call: (201) [system] char_type('D', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _984534)
   Exit: (199) [system] get_char((0x56051b6b4f40), 'D')
   Call: (199) [system] 'D'='('
   Call: (199) [system] 'D'='['
   Call: (199) [system] 'D'='{'
   Call: (199) [system] 'D'='"'
   Call: (199) [system] 'D'=!
   Call: (199) [system] 'D'='\''
   Call: (199) [system] 'D'='`'
   Call: (199) [system] 'D'=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _974208)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _994752)
   Call: (201) [system] peek_char((0x56051b6b4f40), _995686)
   Exit: (201) [system] peek_char((0x56051b6b4f40), i)
^  Call: (201) [user] is_delimiter(i)
   Call: (202) [system] char_type(i, space)
   Call: (202) [system] arg(_999478, v('(', ')', end_of_file), i)
   Call: (201) [system] ')'==i
   Call: (201) [system] get_char((0x56051b6b4f40), i)
   Exit: (201) [system] get_char((0x56051b6b4f40), i)
   Call: (201) [system] i=(\)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1004048)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1004982)
   Exit: (202) [system] peek_char((0x56051b6b4f40), s)
^  Call: (202) [user] is_delimiter(s)
   Call: (203) [system] char_type(s, space)
   Call: (203) [system] arg(_1008774, v('(', ')', end_of_file), s)
   Call: (202) [system] ')'==s
   Call: (202) [system] get_char((0x56051b6b4f40), s)
   Exit: (202) [system] get_char((0x56051b6b4f40), s)
   Call: (202) [system] s=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1013344)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1014278)
   Exit: (203) [system] peek_char((0x56051b6b4f40), j)
^  Call: (203) [user] is_delimiter(j)
   Call: (204) [system] char_type(j, space)
   Call: (204) [system] arg(_1018070, v('(', ')', end_of_file), j)
   Call: (203) [system] ')'==j
   Call: (203) [system] get_char((0x56051b6b4f40), j)
   Exit: (203) [system] get_char((0x56051b6b4f40), j)
   Call: (203) [system] j=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1022640)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1023574)
   Exit: (204) [system] peek_char((0x56051b6b4f40), u)
^  Call: (204) [user] is_delimiter(u)
   Call: (205) [system] char_type(u, space)
   Call: (205) [system] arg(_1027366, v('(', ')', end_of_file), u)
   Call: (204) [system] ')'==u
   Call: (204) [system] get_char((0x56051b6b4f40), u)
   Exit: (204) [system] get_char((0x56051b6b4f40), u)
   Call: (204) [system] u=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1031936)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1032870)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1036662, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1041232)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1042166)
   Exit: (206) [system] peek_char((0x56051b6b4f40), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_1045958, v('(', ')', end_of_file), c)
   Call: (206) [system] ')'==c
   Call: (206) [system] get_char((0x56051b6b4f40), c)
   Exit: (206) [system] get_char((0x56051b6b4f40), c)
   Call: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1050528)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1051462)
   Exit: (207) [system] peek_char((0x56051b6b4f40), t)
^  Call: (207) [user] is_delimiter(t)
   Call: (208) [system] char_type(t, space)
   Call: (208) [system] arg(_1055254, v('(', ')', end_of_file), t)
   Call: (207) [system] ')'==t
   Call: (207) [system] get_char((0x56051b6b4f40), t)
   Exit: (207) [system] get_char((0x56051b6b4f40), t)
   Call: (207) [system] t=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1059824)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1060758)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1064550, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1069120)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1070054)
   Exit: (209) [system] peek_char((0x56051b6b4f40), o)
^  Call: (209) [user] is_delimiter(o)
   Call: (210) [system] char_type(o, space)
   Call: (210) [system] arg(_1073846, v('(', ')', end_of_file), o)
   Call: (209) [system] ')'==o
   Call: (209) [system] get_char((0x56051b6b4f40), o)
   Exit: (209) [system] get_char((0x56051b6b4f40), o)
   Call: (209) [system] o=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1078416)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1079350)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1083142, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1087712)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1088646)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (211) [user] is_delimiter('I')
   Call: (212) [system] char_type('I', space)
   Call: (212) [system] arg(_1092438, v('(', ')', end_of_file), 'I')
   Call: (211) [system] ')'=='I'
   Call: (211) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1097008)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1097942)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1101734, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1106304)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1107238)
   Exit: (213) [system] peek_char((0x56051b6b4f40), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1111030, v('(', ')', end_of_file), t)
   Call: (213) [system] ')'==t
   Call: (213) [system] get_char((0x56051b6b4f40), t)
   Exit: (213) [system] get_char((0x56051b6b4f40), t)
   Call: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1115600)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1116534)
   Exit: (214) [system] peek_char((0x56051b6b4f40), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1120326, v('(', ')', end_of_file), r)
   Call: (214) [system] ')'==r
   Call: (214) [system] get_char((0x56051b6b4f40), r)
   Exit: (214) [system] get_char((0x56051b6b4f40), r)
   Call: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1124896)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1125830)
   Exit: (215) [system] peek_char((0x56051b6b4f40), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1129622, v('(', ')', end_of_file), o)
   Call: (215) [system] ')'==o
   Call: (215) [system] get_char((0x56051b6b4f40), o)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1134192)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1135126)
   Exit: (216) [system] peek_char((0x56051b6b4f40), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_1138918, v('(', ')', end_of_file), d)
   Call: (216) [system] ')'==d
   Call: (216) [system] get_char((0x56051b6b4f40), d)
   Exit: (216) [system] get_char((0x56051b6b4f40), d)
   Call: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1143488)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1144422)
   Exit: (217) [system] peek_char((0x56051b6b4f40), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1148214, v('(', ')', end_of_file), u)
   Call: (217) [system] ')'==u
   Call: (217) [system] get_char((0x56051b6b4f40), u)
   Exit: (217) [system] get_char((0x56051b6b4f40), u)
   Call: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1152784)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1153718)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1157510, v('(', ')', end_of_file), c)
   Call: (218) [system] ')'==c
   Call: (218) [system] get_char((0x56051b6b4f40), c)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1162080)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1163014)
   Exit: (219) [system] peek_char((0x56051b6b4f40), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1166806, v('(', ')', end_of_file), t)
   Call: (219) [system] ')'==t
   Call: (219) [system] get_char((0x56051b6b4f40), t)
   Exit: (219) [system] get_char((0x56051b6b4f40), t)
   Call: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1171376)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1172310)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1176102, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1180672)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1181606)
   Exit: (221) [system] peek_char((0x56051b6b4f40), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1185398, v('(', ')', end_of_file), o)
   Call: (221) [system] ')'==o
   Call: (221) [system] get_char((0x56051b6b4f40), o)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1189968)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1190902)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1194694, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1199264)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1200198)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1199264=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1189968=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (221) [system] _1180672=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (220) [system] _1171376=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (219) [system] _1162080=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (218) [system] _1152784=[c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (217) [system] _1143488=[u, c, t, i, o, n]
   Exit: (217) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (216) [system] _1134192=[d, u, c, t, i, o, n]
   Exit: (216) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (215) [system] _1124896=[o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (214) [system] _1115600=[r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1106304=[t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1097008=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1087712=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1078416=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1069120=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1059824=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1050528=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1041232=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1031936=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1022640=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _1013344=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _1004048=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (201) [system] _994752=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (201) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (200) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _974208)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_1270976, _1270978), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _974208), _1270952, fail)), '$restore_trace'(_1270976, _1270978))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_1270976, _1270978))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _974208), _1270952, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(_974208)
   Call: (201) [system] atom_chars(_974208, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (201) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (200) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1279428)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1281286)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1288096)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1290800)
   Exit: (201) [system] peek_char((0x56051b6b4f40), a)
   Call: (201) [system] a=(;)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1300192)
   Exit: (199) [system] peek_char((0x56051b6b4f40), a)
   Call: (199) [system] a=')'
   Call: (199) [system] a=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1303906)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1305764)
   Exit: (201) [system] peek_char((0x56051b6b4f40), a)
   Call: (201) [system] a=(;)
^  Call: (201) [user] is_like_space(a)
   Call: (202) [system] char_type(a, 'white')
   Call: (202) [system] char_type(a, end_of_line)
   Call: (202) [system] char_type(a, space)
   Call: (202) [system] char_type(a, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1314232)
   Exit: (200) [system] get_char((0x56051b6b4f40), a)
   Call: (200) [system] a='('
   Call: (200) [system] a='['
   Call: (200) [system] a='{'
   Call: (200) [system] a='"'
   Call: (200) [system] a=!
   Call: (200) [system] a='\''
   Call: (200) [system] a='`'
   Call: (200) [system] a=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), a, _1303906)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1324450)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1325384)
   Exit: (202) [system] peek_char((0x56051b6b4f40), b)
^  Call: (202) [user] is_delimiter(b)
   Call: (203) [system] char_type(b, space)
   Call: (203) [system] arg(_1329176, v('(', ')', end_of_file), b)
   Call: (202) [system] ')'==b
   Call: (202) [system] get_char((0x56051b6b4f40), b)
   Exit: (202) [system] get_char((0x56051b6b4f40), b)
   Call: (202) [system] b=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1333746)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1334680)
   Exit: (203) [system] peek_char((0x56051b6b4f40), c)
^  Call: (203) [user] is_delimiter(c)
   Call: (204) [system] char_type(c, space)
   Call: (204) [system] arg(_1338472, v('(', ')', end_of_file), c)
   Call: (203) [system] ')'==c
   Call: (203) [system] get_char((0x56051b6b4f40), c)
   Exit: (203) [system] get_char((0x56051b6b4f40), c)
   Call: (203) [system] c=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1343042)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1343976)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1343042=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (203) [system] _1333746=[c]
   Exit: (203) [system] [c]=[c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (202) [system] _1324450=[b, c]
   Exit: (202) [system] [b, c]=[b, c]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (201) [user] classify_and_convert_charseq(a, [b, c], _1303906)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1358874, _1358876), once(user:catch(read_from_chars([a, b, c], _1303906), _1358850, fail)), '$restore_trace'(_1358874, _1358876))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1358874, _1358876))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1358850, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(abc)
   Exit: (202) [system] atomic(abc)
^  Exit: (201) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1366374)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1368232)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1375042)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1377746)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1387138)
   Exit: (200) [system] peek_char((0x56051b6b4f40), a)
   Call: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1390852)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1392710)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1401178)
   Exit: (201) [system] get_char((0x56051b6b4f40), a)
   Call: (201) [system] a='('
   Call: (201) [system] a='['
   Call: (201) [system] a='{'
   Call: (201) [system] a='"'
   Call: (201) [system] a=!
   Call: (201) [system] a='\''
   Call: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), a, _1390852)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1411396)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1412330)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1416122, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1420692)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1421626)
   Exit: (204) [system] peek_char((0x56051b6b4f40), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1425418, v('(', ')', end_of_file), c)
   Call: (204) [system] ')'==c
   Call: (204) [system] get_char((0x56051b6b4f40), c)
   Exit: (204) [system] get_char((0x56051b6b4f40), c)
   Call: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1429988)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1430922)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_1434714, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _1429988=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1420692=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (203) [system] _1411396=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (202) [user] classify_and_convert_charseq(a, [b, c], _1390852)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1446764, _1446766), once(user:catch(read_from_chars([a, b, c], _1390852), _1446740, fail)), '$restore_trace'(_1446764, _1446766))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1446764, _1446766))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1446740, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1454264)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1456122)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1464590)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1468380)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1454264=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _1366374=[abc]
   Exit: (200) [system] [abc]=[abc]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (199) [system] _1279428=[abc, abc]
   Exit: (199) [system] [abc, abc]=[abc, abc]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [abc, abc])
   Call: (198) [system] _946130=['DisjunctionIntroduction', abc, abc]
   Exit: (198) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, abc])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, abc])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1482262)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1484120)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _1490930)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1493634)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1503026)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1506740)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1508598)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1517066)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1506740)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1522636)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (200) [system] 'O'=(;)
^  Call: (200) [user] is_like_space('O')
   Call: (201) [system] char_type('O', 'white')
   Call: (201) [system] char_type('O', end_of_line)
   Call: (201) [system] char_type('O', space)
   Call: (201) [system] char_type('O', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1531104)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (199) [system] 'O'=')'
   Call: (199) [system] 'O'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1534818)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1536676)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (201) [system] 'O'=(;)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1545144)
   Exit: (200) [system] get_char((0x56051b6b4f40), 'O')
   Call: (200) [system] 'O'='('
   Call: (200) [system] 'O'='['
   Call: (200) [system] 'O'='{'
   Call: (200) [system] 'O'='"'
   Call: (200) [system] 'O'=!
   Call: (200) [system] 'O'='\''
   Call: (200) [system] 'O'='`'
   Call: (200) [system] 'O'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1534818)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1555362)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1556296)
   Exit: (202) [system] peek_char((0x56051b6b4f40), r)
^  Call: (202) [user] is_delimiter(r)
   Call: (203) [system] char_type(r, space)
   Call: (203) [system] arg(_1560088, v('(', ')', end_of_file), r)
   Call: (202) [system] ')'==r
   Call: (202) [system] get_char((0x56051b6b4f40), r)
   Exit: (202) [system] get_char((0x56051b6b4f40), r)
   Call: (202) [system] r=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1564658)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1565592)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (203) [user] is_delimiter('L')
   Call: (204) [system] char_type('L', space)
   Call: (204) [system] arg(_1569384, v('(', ')', end_of_file), 'L')
   Call: (203) [system] ')'=='L'
   Call: (203) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (203) [system] get_char((0x56051b6b4f40), 'L')
   Call: (203) [system] 'L'=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1573954)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1574888)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_1578680, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1583250)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1584184)
   Exit: (205) [system] peek_char((0x56051b6b4f40), n)
^  Call: (205) [user] is_delimiter(n)
   Call: (206) [system] char_type(n, space)
   Call: (206) [system] arg(_1587976, v('(', ')', end_of_file), n)
   Call: (205) [system] ')'==n
   Call: (205) [system] get_char((0x56051b6b4f40), n)
   Exit: (205) [system] get_char((0x56051b6b4f40), n)
   Call: (205) [system] n=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1592546)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1593480)
   Exit: (206) [system] peek_char((0x56051b6b4f40), k)
^  Call: (206) [user] is_delimiter(k)
   Call: (207) [system] char_type(k, space)
   Call: (207) [system] arg(_1597272, v('(', ')', end_of_file), k)
   Call: (206) [system] ')'==k
   Call: (206) [system] get_char((0x56051b6b4f40), k)
   Exit: (206) [system] get_char((0x56051b6b4f40), k)
   Call: (206) [system] k=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1601842)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1602776)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _1601842=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1592546=[k]
   Exit: (206) [system] [k]=[k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (205) [system] _1583250=[n, k]
   Exit: (205) [system] [n, k]=[n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (204) [system] _1573954=[i, n, k]
   Exit: (204) [system] [i, n, k]=[i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (203) [system] _1564658=['L', i, n, k]
   Exit: (203) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (202) [system] _1555362=[r, 'L', i, n, k]
   Exit: (202) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (201) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1534818)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1626056, _1626058), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1534818), _1626032, fail)), '$restore_trace'(_1626056, _1626058))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1626056, _1626058))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1534818), _1626032, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1534818)
   Call: (202) [system] atom_chars(_1534818, ['O', r, 'L', i, n, k])
   Exit: (202) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (201) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1634508)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1636366)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1643176)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1645880)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1655272)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1658986)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1660844)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1669312)
   Exit: (201) [system] get_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1658986)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1674882)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (203) [system] 'I'=(;)
^  Call: (203) [user] is_like_space('I')
   Call: (204) [system] char_type('I', 'white')
   Call: (204) [system] char_type('I', end_of_line)
   Call: (204) [system] char_type('I', space)
   Call: (204) [system] char_type('I', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1683350)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (202) [system] 'I'=')'
   Call: (202) [system] 'I'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1687064)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1688922)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1697390)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'I')
   Call: (203) [system] 'I'='('
   Call: (203) [system] 'I'='['
   Call: (203) [system] 'I'='{'
   Call: (203) [system] 'I'='"'
   Call: (203) [system] 'I'=!
   Call: (203) [system] 'I'='\''
   Call: (203) [system] 'I'='`'
   Call: (203) [system] 'I'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1687064)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1707608)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1708542)
   Exit: (205) [system] peek_char((0x56051b6b4f40), m)
^  Call: (205) [user] is_delimiter(m)
   Call: (206) [system] char_type(m, space)
   Call: (206) [system] arg(_1712334, v('(', ')', end_of_file), m)
   Call: (205) [system] ')'==m
   Call: (205) [system] get_char((0x56051b6b4f40), m)
   Exit: (205) [system] get_char((0x56051b6b4f40), m)
   Call: (205) [system] m=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1716904)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1717838)
   Exit: (206) [system] peek_char((0x56051b6b4f40), p)
^  Call: (206) [user] is_delimiter(p)
   Call: (207) [system] char_type(p, space)
   Call: (207) [system] arg(_1721630, v('(', ')', end_of_file), p)
   Call: (206) [system] ')'==p
   Call: (206) [system] get_char((0x56051b6b4f40), p)
   Exit: (206) [system] get_char((0x56051b6b4f40), p)
   Call: (206) [system] p=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1726200)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1727134)
   Exit: (207) [system] peek_char((0x56051b6b4f40), l)
^  Call: (207) [user] is_delimiter(l)
   Call: (208) [system] char_type(l, space)
   Call: (208) [system] arg(_1730926, v('(', ')', end_of_file), l)
   Call: (207) [system] ')'==l
   Call: (207) [system] get_char((0x56051b6b4f40), l)
   Exit: (207) [system] get_char((0x56051b6b4f40), l)
   Call: (207) [system] l=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1735496)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1736430)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1740222, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1744792)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1745726)
   Exit: (209) [system] peek_char((0x56051b6b4f40), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_1749518, v('(', ')', end_of_file), c)
   Call: (209) [system] ')'==c
   Call: (209) [system] get_char((0x56051b6b4f40), c)
   Exit: (209) [system] get_char((0x56051b6b4f40), c)
   Call: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1754088)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1755022)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
^  Call: (210) [user] is_delimiter(a)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] arg(_1758814, v('(', ')', end_of_file), a)
   Call: (210) [system] ')'==a
   Call: (210) [system] get_char((0x56051b6b4f40), a)
   Exit: (210) [system] get_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1763384)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1764318)
   Exit: (211) [system] peek_char((0x56051b6b4f40), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_1768110, v('(', ')', end_of_file), t)
   Call: (211) [system] ')'==t
   Call: (211) [system] get_char((0x56051b6b4f40), t)
   Exit: (211) [system] get_char((0x56051b6b4f40), t)
   Call: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1772680)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1773614)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1777406, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1781976)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1782910)
   Exit: (213) [system] peek_char((0x56051b6b4f40), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_1786702, v('(', ')', end_of_file), o)
   Call: (213) [system] ')'==o
   Call: (213) [system] get_char((0x56051b6b4f40), o)
   Exit: (213) [system] get_char((0x56051b6b4f40), o)
   Call: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1791272)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1792206)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1795998, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1800568)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1801502)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1800568=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1791272=[n]
   Exit: (214) [system] [n]=[n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (213) [system] _1781976=[o, n]
   Exit: (213) [system] [o, n]=[o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (212) [system] _1772680=[i, o, n]
   Exit: (212) [system] [i, o, n]=[i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (211) [system] _1763384=[t, i, o, n]
   Exit: (211) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (210) [system] _1754088=[a, t, i, o, n]
   Exit: (210) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (209) [system] _1744792=[c, a, t, i, o, n]
   Exit: (209) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (208) [system] _1735496=[i, c, a, t, i, o, n]
   Exit: (208) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (207) [system] _1726200=[l, i, c, a, t, i, o, n]
   Exit: (207) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (206) [system] _1716904=[p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (205) [system] _1707608=[m, p, l, i, c, a, t, i, o, n]
   Exit: (205) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1687064)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1838752, _1838754), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1687064), _1838728, fail)), '$restore_trace'(_1838752, _1838754))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1838752, _1838754))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1687064), _1838728, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1687064)
   Call: (205) [system] atom_chars(_1687064, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (205) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1847204)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1849062)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1855872)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1858576)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1867968)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1871682)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1873540)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1882008)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1871682)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1887578)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1896046)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (205) [system] 'A'=')'
   Call: (205) [system] 'A'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1899760)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1901618)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1910086)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'='('
   Call: (206) [system] 'A'='['
   Call: (206) [system] 'A'='{'
   Call: (206) [system] 'A'='"'
   Call: (206) [system] 'A'=!
   Call: (206) [system] 'A'='\''
   Call: (206) [system] 'A'='`'
   Call: (206) [system] 'A'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1899760)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1920304)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1921238)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1925030, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1929600)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1930534)
   Exit: (209) [system] peek_char((0x56051b6b4f40), d)
^  Call: (209) [user] is_delimiter(d)
   Call: (210) [system] char_type(d, space)
   Call: (210) [system] arg(_1934326, v('(', ')', end_of_file), d)
   Call: (209) [system] ')'==d
   Call: (209) [system] get_char((0x56051b6b4f40), d)
   Exit: (209) [system] get_char((0x56051b6b4f40), d)
   Call: (209) [system] d=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1938896)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1939830)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_1943622, v('(', ')', end_of_file), 'L')
   Call: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (210) [system] get_char((0x56051b6b4f40), 'L')
   Call: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1948192)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1949126)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1952918, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1957488)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1958422)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1962214, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1966784)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1967718)
   Exit: (213) [system] peek_char((0x56051b6b4f40), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_1971510, v('(', ')', end_of_file), k)
   Call: (213) [system] ')'==k
   Call: (213) [system] get_char((0x56051b6b4f40), k)
   Exit: (213) [system] get_char((0x56051b6b4f40), k)
   Call: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1976080)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1977014)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1976080=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _1966784=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (212) [system] _1957488=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (211) [system] _1948192=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (210) [system] _1938896=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (209) [system] _1929600=[d, 'L', i, n, k]
   Exit: (209) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (208) [system] _1920304=[n, d, 'L', i, n, k]
   Exit: (208) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1899760)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_2003088, _2003090), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1899760), _2003064, fail)), '$restore_trace'(_2003088, _2003090))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_2003088, _2003090))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1899760), _2003064, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1899760)
   Call: (208) [system] atom_chars(_1899760, ['A', n, d, 'L', i, n, k])
   Exit: (208) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _2011540)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _2013398)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _2020208)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _2022912)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _2032304)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _2036018)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _2037876)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _2046344)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _2036018)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2056562)
   Call: (209) [system] peek_char((0x56051b6b4f40), _2057496)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _2056562=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (208) [user] classify_and_convert_charseq('A', [], _2036018)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_2066806, _2066808), once(user:catch(read_from_chars(['A'], _2036018), _2066782, fail)), '$restore_trace'(_2066806, _2066808))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_2066806, _2066808))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _2036018), _2066782, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_2036018)
   Call: (209) [system] atom_chars(_2036018, ['A'])
   Exit: (209) [system] atom_chars('A', ['A'])
^  Exit: (208) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _2075258)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _2077116)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _2083926)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _2086630)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'=(;)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _2096022)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (207) [system] 'B'=')'
   Call: (207) [system] 'B'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _6458)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _8316)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'=(;)
^  Call: (209) [user] is_like_space('B')
   Call: (210) [system] char_type('B', 'white')
   Call: (210) [system] char_type('B', end_of_line)
   Call: (210) [system] char_type('B', space)
   Call: (210) [system] char_type('B', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _16784)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'B')
   Call: (208) [system] 'B'='('
   Call: (208) [system] 'B'='['
   Call: (208) [system] 'B'='{'
   Call: (208) [system] 'B'='"'
   Call: (208) [system] 'B'=!
   Call: (208) [system] 'B'='\''
   Call: (208) [system] 'B'='`'
   Call: (208) [system] 'B'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _6458)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _27002)
   Call: (210) [system] peek_char((0x56051b6b4f40), _27936)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_31728, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _27002=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq('B', [], _6458)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_38190, _38192), once(user:catch(read_from_chars(['B'], _6458), _38166, fail)), '$restore_trace'(_38190, _38192))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_38190, _38192))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _6458), _38166, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_6458)
   Call: (210) [system] atom_chars(_6458, ['B'])
   Exit: (210) [system] atom_chars('B', ['B'])
^  Exit: (209) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _46642)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _48500)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _56968)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _60758)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _46642=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _3706=['B']
   Exit: (207) [system] ['B']=['B']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (206) [system] _3700=['A', 'B']
   Exit: (206) [system] ['A', 'B']=['A', 'B']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (205) [system] _3692=['AndLink', 'A', 'B']
   Exit: (205) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _74640)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _76498)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _83308)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _86012)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _95404)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (204) [system] 'C'=')'
   Call: (204) [system] 'C'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _99118)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _100976)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'=(;)
^  Call: (206) [user] is_like_space('C')
   Call: (207) [system] char_type('C', 'white')
   Call: (207) [system] char_type('C', end_of_line)
   Call: (207) [system] char_type('C', space)
   Call: (207) [system] char_type('C', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _109444)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'C')
   Call: (205) [system] 'C'='('
   Call: (205) [system] 'C'='['
   Call: (205) [system] 'C'='{'
   Call: (205) [system] 'C'='"'
   Call: (205) [system] 'C'=!
   Call: (205) [system] 'C'='\''
   Call: (205) [system] 'C'='`'
   Call: (205) [system] 'C'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _99118)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _119662)
   Call: (207) [system] peek_char((0x56051b6b4f40), _120596)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_124388, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _119662=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (206) [user] classify_and_convert_charseq('C', [], _99118)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_130850, _130852), once(user:catch(read_from_chars(['C'], _99118), _130826, fail)), '$restore_trace'(_130850, _130852))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_130850, _130852))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _99118), _130826, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_99118)
   Call: (207) [system] atom_chars(_99118, ['C'])
   Exit: (207) [system] atom_chars('C', ['C'])
^  Exit: (206) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _139302)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _141160)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _149628)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _153418)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _139302=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _74640=['C']
   Exit: (204) [system] ['C']=['C']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (203) [system] _3688=[['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (202) [system] _3680=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (202) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _167300)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _169158)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _175968)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _178672)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _188064)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _191778)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _193636)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _202104)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _191778)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _207674)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _216142)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _219856)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _221714)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _230182)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _219856)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _240400)
   Call: (206) [system] peek_char((0x56051b6b4f40), _241334)
   Exit: (206) [system] peek_char((0x56051b6b4f40), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_245126, v('(', ')', end_of_file), m)
   Call: (206) [system] ')'==m
   Call: (206) [system] get_char((0x56051b6b4f40), m)
   Exit: (206) [system] get_char((0x56051b6b4f40), m)
   Call: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _249696)
   Call: (207) [system] peek_char((0x56051b6b4f40), _250630)
   Exit: (207) [system] peek_char((0x56051b6b4f40), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_254422, v('(', ')', end_of_file), p)
   Call: (207) [system] ')'==p
   Call: (207) [system] get_char((0x56051b6b4f40), p)
   Exit: (207) [system] get_char((0x56051b6b4f40), p)
   Call: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _258992)
   Call: (208) [system] peek_char((0x56051b6b4f40), _259926)
   Exit: (208) [system] peek_char((0x56051b6b4f40), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_263718, v('(', ')', end_of_file), l)
   Call: (208) [system] ')'==l
   Call: (208) [system] get_char((0x56051b6b4f40), l)
   Exit: (208) [system] get_char((0x56051b6b4f40), l)
   Call: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _268288)
   Call: (209) [system] peek_char((0x56051b6b4f40), _269222)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_273014, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _277584)
   Call: (210) [system] peek_char((0x56051b6b4f40), _278518)
   Exit: (210) [system] peek_char((0x56051b6b4f40), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_282310, v('(', ')', end_of_file), c)
   Call: (210) [system] ')'==c
   Call: (210) [system] get_char((0x56051b6b4f40), c)
   Exit: (210) [system] get_char((0x56051b6b4f40), c)
   Call: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _286880)
   Call: (211) [system] peek_char((0x56051b6b4f40), _287814)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_291606, v('(', ')', end_of_file), a)
   Call: (211) [system] ')'==a
   Call: (211) [system] get_char((0x56051b6b4f40), a)
   Exit: (211) [system] get_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _296176)
   Call: (212) [system] peek_char((0x56051b6b4f40), _297110)
   Exit: (212) [system] peek_char((0x56051b6b4f40), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_300902, v('(', ')', end_of_file), t)
   Call: (212) [system] ')'==t
   Call: (212) [system] get_char((0x56051b6b4f40), t)
   Exit: (212) [system] get_char((0x56051b6b4f40), t)
   Call: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _305472)
   Call: (213) [system] peek_char((0x56051b6b4f40), _306406)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_310198, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _314768)
   Call: (214) [system] peek_char((0x56051b6b4f40), _315702)
   Exit: (214) [system] peek_char((0x56051b6b4f40), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_319494, v('(', ')', end_of_file), o)
   Call: (214) [system] ')'==o
   Call: (214) [system] get_char((0x56051b6b4f40), o)
   Exit: (214) [system] get_char((0x56051b6b4f40), o)
   Call: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _324064)
   Call: (215) [system] peek_char((0x56051b6b4f40), _324998)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_328790, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _333360)
   Call: (216) [system] peek_char((0x56051b6b4f40), _334294)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _333360=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _324064=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (214) [system] _314768=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (213) [system] _305472=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (212) [system] _296176=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (211) [system] _286880=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (210) [system] _277584=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (209) [system] _268288=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (208) [system] _258992=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _249696=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _240400=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _219856)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_371544, _371546), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _219856), _371520, fail)), '$restore_trace'(_371544, _371546))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_371544, _371546))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _219856), _371520, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_219856)
   Call: (206) [system] atom_chars(_219856, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _379996)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _381854)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _388664)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _391368)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _400760)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _404474)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _406332)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _414800)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _404474)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _420370)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _428838)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _432552)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _434410)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _442878)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _432552)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _453096)
   Call: (209) [system] peek_char((0x56051b6b4f40), _454030)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_457822, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _462392)
   Call: (210) [system] peek_char((0x56051b6b4f40), _463326)
   Exit: (210) [system] peek_char((0x56051b6b4f40), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_467118, v('(', ')', end_of_file), d)
   Call: (210) [system] ')'==d
   Call: (210) [system] get_char((0x56051b6b4f40), d)
   Exit: (210) [system] get_char((0x56051b6b4f40), d)
   Call: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _471688)
   Call: (211) [system] peek_char((0x56051b6b4f40), _472622)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_476414, v('(', ')', end_of_file), 'L')
   Call: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'L')
   Call: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _480984)
   Call: (212) [system] peek_char((0x56051b6b4f40), _481918)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_485710, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _490280)
   Call: (213) [system] peek_char((0x56051b6b4f40), _491214)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_495006, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _499576)
   Call: (214) [system] peek_char((0x56051b6b4f40), _500510)
   Exit: (214) [system] peek_char((0x56051b6b4f40), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_504302, v('(', ')', end_of_file), k)
   Call: (214) [system] ')'==k
   Call: (214) [system] get_char((0x56051b6b4f40), k)
   Exit: (214) [system] get_char((0x56051b6b4f40), k)
   Call: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _508872)
   Call: (215) [system] peek_char((0x56051b6b4f40), _509806)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _508872=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _499576=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (213) [system] _490280=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (212) [system] _480984=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (211) [system] _471688=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (210) [system] _462392=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (209) [system] _453096=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _432552)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_535880, _535882), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _432552), _535856, fail)), '$restore_trace'(_535880, _535882))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_535880, _535882))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _432552), _535856, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_432552)
   Call: (209) [system] atom_chars(_432552, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _544332)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _546190)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _553000)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _555704)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _565096)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _568810)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _570668)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _579136)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _568810)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _589354)
   Call: (210) [system] peek_char((0x56051b6b4f40), _590288)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _589354=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq('A', [], _568810)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_599598, _599600), once(user:catch(read_from_chars(['A'], _568810), _599574, fail)), '$restore_trace'(_599598, _599600))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_599598, _599600))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _568810), _599574, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_568810)
   Call: (210) [system] atom_chars(_568810, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _608050)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _609908)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _616718)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _619422)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _628814)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _632528)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _634386)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _642854)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _632528)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _653072)
   Call: (211) [system] peek_char((0x56051b6b4f40), _654006)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_657798, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _653072=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('B', [], _632528)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_664260, _664262), once(user:catch(read_from_chars(['B'], _632528), _664236, fail)), '$restore_trace'(_664260, _664262))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_664260, _664262))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _632528), _664236, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_632528)
   Call: (211) [system] atom_chars(_632528, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _672712)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _674570)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _683038)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _686828)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _672712=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _608050=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (207) [system] _544332=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (206) [system] _404474=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _700710)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _702568)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _709378)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _712082)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _721474)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _725188)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _727046)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _735514)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _725188)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _745732)
   Call: (208) [system] peek_char((0x56051b6b4f40), _746666)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_750458, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _745732=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (207) [user] classify_and_convert_charseq('C', [], _725188)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_756920, _756922), once(user:catch(read_from_chars(['C'], _725188), _756896, fail)), '$restore_trace'(_756920, _756922))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_756920, _756922))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _725188), _756896, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_725188)
   Call: (208) [system] atom_chars(_725188, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _765372)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _767230)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _775698)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _779488)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _765372=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _700710=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (204) [system] _379996=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _191778=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _793370)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _795228)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _803696)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _807486)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _793370=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _167300=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (200) [system] _3676=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (200) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (199) [system] _3668=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (199) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _821368)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _823226)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=(;)
^  Call: (199) [user] is_like_space(')')
   Call: (200) [system] char_type(')', 'white')
   Call: (200) [system] char_type(')', end_of_line)
   Call: (200) [system] char_type(')', space)
   Call: (200) [system] char_type(')', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _831694)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ')')
   Call: (198) [system] ')'=')'
   Exit: (198) [system] ')'=')'
   Call: (198) [system] get_char((0x56051b6b4f40), _835484)
   Exit: (198) [system] get_char((0x56051b6b4f40), ')')
   Call: (198) [system] _821368=[]
   Exit: (198) [system] []=[]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (197) [system] _3664=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (197) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (196) [system] _3640=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (196) [system] [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (195) [system] _3632=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (195) [system] [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (194) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (193) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, abc], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (193) [user] read_list(')', (0x56051b6b4f40), _849366)
^  Call: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _851224)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (195) [system] '\n'=(;)
^  Call: (195) [user] is_like_space('\n')
   Call: (196) [system] char_type('\n', 'white')
   Call: (196) [system] char_type('\n', end_of_line)
   Exit: (196) [system] char_type('\n', end_of_line)
^  Exit: (195) [user] is_like_space('\n')
   Call: (195) [system] get_char((0x56051b6b4f40), _858840)
   Exit: (195) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _861544)
   Exit: (196) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (196) [system] ' '=(;)
^  Call: (196) [user] is_like_space(' ')
   Call: (197) [system] char_type(' ', 'white')
   Exit: (197) [system] char_type(' ', 'white')
^  Exit: (196) [user] is_like_space(' ')
   Call: (196) [system] get_char((0x56051b6b4f40), _868354)
   Exit: (196) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _871058)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (194) [user] skip_spaces((0x56051b6b4f40))
   Call: (194) [system] peek_char((0x56051b6b4f40), _881374)
   Exit: (194) [system] peek_char((0x56051b6b4f40), '(')
   Call: (194) [system] '('=')'
   Call: (194) [system] '('=end_of_file
^  Call: (194) [user] cont_sexpr(')', (0x56051b6b4f40), _885088)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _886946)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=(;)
^  Call: (196) [user] is_like_space('(')
   Call: (197) [system] char_type('(', 'white')
   Call: (197) [system] char_type('(', end_of_line)
   Call: (197) [system] char_type('(', space)
   Call: (197) [system] char_type('(', cntrl)
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] get_char((0x56051b6b4f40), _895414)
   Exit: (195) [system] get_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('='('
   Exit: (195) [system] '('='('
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _885088)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _900984)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=(;)
^  Call: (197) [user] is_like_space(:)
   Call: (198) [system] char_type(:, 'white')
   Call: (198) [system] char_type(:, end_of_line)
   Call: (198) [system] char_type(:, space)
   Call: (198) [system] char_type(:, cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _909452)
   Exit: (196) [system] peek_char((0x56051b6b4f40), :)
   Call: (196) [system] (:)=')'
   Call: (196) [system] (:)=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _913166)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _915024)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _923492)
   Exit: (197) [system] get_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)='('
   Call: (197) [system] (:)='['
   Call: (197) [system] (:)='{'
   Call: (197) [system] (:)='"'
   Call: (197) [system] (:)=!
   Call: (197) [system] (:)='\''
   Call: (197) [system] (:)='`'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, _913166)
^  Call: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), _933710)
   Call: (199) [system] peek_char((0x56051b6b4f40), _934644)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] is_delimiter(' ')
   Call: (200) [system] char_type(' ', space)
   Exit: (200) [system] char_type(' ', space)
^  Exit: (199) [user] is_delimiter(' ')
   Call: (199) [system] _933710=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (198) [user] classify_and_convert_charseq(:, [], _913166)
^  Call: (200) [system] setup_call_cleanup('$notrace'(_943954, _943956), once(user:catch(read_from_chars([:], _913166), _943930, fail)), '$restore_trace'(_943954, _943956))
^  Call: (201) [system] sig_atomic(system:'$notrace'(_943954, _943956))
^  Exit: (200) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _943930, fail)), system:'$restore_trace'(3, -1))
   Call: (199) [system] atomic(:)
   Exit: (199) [system] atomic(:)
^  Exit: (198) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (197) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _951454)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _953312)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _960122)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _962826)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _972218)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _975932)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _977790)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _986258)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _975932)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _991828)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (200) [system] 'D'=(;)
^  Call: (200) [user] is_like_space('D')
   Call: (201) [system] char_type('D', 'white')
   Call: (201) [system] char_type('D', end_of_line)
   Call: (201) [system] char_type('D', space)
   Call: (201) [system] char_type('D', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1000296)
   Exit: (199) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (199) [system] 'D'=')'
   Call: (199) [system] 'D'=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1004010)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1005868)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (201) [system] 'D'=(;)
^  Call: (201) [user] is_like_space('D')
   Call: (202) [system] char_type('D', 'white')
   Call: (202) [system] char_type('D', end_of_line)
   Call: (202) [system] char_type('D', space)
   Call: (202) [system] char_type('D', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1014336)
   Exit: (200) [system] get_char((0x56051b6b4f40), 'D')
   Call: (200) [system] 'D'='('
   Call: (200) [system] 'D'='['
   Call: (200) [system] 'D'='{'
   Call: (200) [system] 'D'='"'
   Call: (200) [system] 'D'=!
   Call: (200) [system] 'D'='\''
   Call: (200) [system] 'D'='`'
   Call: (200) [system] 'D'=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1004010)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1024554)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1025488)
   Exit: (202) [system] peek_char((0x56051b6b4f40), i)
^  Call: (202) [user] is_delimiter(i)
   Call: (203) [system] char_type(i, space)
   Call: (203) [system] arg(_1029280, v('(', ')', end_of_file), i)
   Call: (202) [system] ')'==i
   Call: (202) [system] get_char((0x56051b6b4f40), i)
   Exit: (202) [system] get_char((0x56051b6b4f40), i)
   Call: (202) [system] i=(\)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1033850)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1034784)
   Exit: (203) [system] peek_char((0x56051b6b4f40), s)
^  Call: (203) [user] is_delimiter(s)
   Call: (204) [system] char_type(s, space)
   Call: (204) [system] arg(_1038576, v('(', ')', end_of_file), s)
   Call: (203) [system] ')'==s
   Call: (203) [system] get_char((0x56051b6b4f40), s)
   Exit: (203) [system] get_char((0x56051b6b4f40), s)
   Call: (203) [system] s=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1043146)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1044080)
   Exit: (204) [system] peek_char((0x56051b6b4f40), j)
^  Call: (204) [user] is_delimiter(j)
   Call: (205) [system] char_type(j, space)
   Call: (205) [system] arg(_1047872, v('(', ')', end_of_file), j)
   Call: (204) [system] ')'==j
   Call: (204) [system] get_char((0x56051b6b4f40), j)
   Exit: (204) [system] get_char((0x56051b6b4f40), j)
   Call: (204) [system] j=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1052442)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1053376)
   Exit: (205) [system] peek_char((0x56051b6b4f40), u)
^  Call: (205) [user] is_delimiter(u)
   Call: (206) [system] char_type(u, space)
   Call: (206) [system] arg(_1057168, v('(', ')', end_of_file), u)
   Call: (205) [system] ')'==u
   Call: (205) [system] get_char((0x56051b6b4f40), u)
   Exit: (205) [system] get_char((0x56051b6b4f40), u)
   Call: (205) [system] u=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1061738)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1062672)
   Exit: (206) [system] peek_char((0x56051b6b4f40), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1066464, v('(', ')', end_of_file), n)
   Call: (206) [system] ')'==n
   Call: (206) [system] get_char((0x56051b6b4f40), n)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1071034)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1071968)
   Exit: (207) [system] peek_char((0x56051b6b4f40), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_1075760, v('(', ')', end_of_file), c)
   Call: (207) [system] ')'==c
   Call: (207) [system] get_char((0x56051b6b4f40), c)
   Exit: (207) [system] get_char((0x56051b6b4f40), c)
   Call: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1080330)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1081264)
   Exit: (208) [system] peek_char((0x56051b6b4f40), t)
^  Call: (208) [user] is_delimiter(t)
   Call: (209) [system] char_type(t, space)
   Call: (209) [system] arg(_1085056, v('(', ')', end_of_file), t)
   Call: (208) [system] ')'==t
   Call: (208) [system] get_char((0x56051b6b4f40), t)
   Exit: (208) [system] get_char((0x56051b6b4f40), t)
   Call: (208) [system] t=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1089626)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1090560)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1094352, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1098922)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1099856)
   Exit: (210) [system] peek_char((0x56051b6b4f40), o)
^  Call: (210) [user] is_delimiter(o)
   Call: (211) [system] char_type(o, space)
   Call: (211) [system] arg(_1103648, v('(', ')', end_of_file), o)
   Call: (210) [system] ')'==o
   Call: (210) [system] get_char((0x56051b6b4f40), o)
   Exit: (210) [system] get_char((0x56051b6b4f40), o)
   Call: (210) [system] o=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1108218)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1109152)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1112944, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1117514)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1118448)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (212) [user] is_delimiter('I')
   Call: (213) [system] char_type('I', space)
   Call: (213) [system] arg(_1122240, v('(', ')', end_of_file), 'I')
   Call: (212) [system] ')'=='I'
   Call: (212) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (212) [system] get_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1126810)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1127744)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1131536, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1136106)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1137040)
   Exit: (214) [system] peek_char((0x56051b6b4f40), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1140832, v('(', ')', end_of_file), t)
   Call: (214) [system] ')'==t
   Call: (214) [system] get_char((0x56051b6b4f40), t)
   Exit: (214) [system] get_char((0x56051b6b4f40), t)
   Call: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1145402)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1146336)
   Exit: (215) [system] peek_char((0x56051b6b4f40), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_1150128, v('(', ')', end_of_file), r)
   Call: (215) [system] ')'==r
   Call: (215) [system] get_char((0x56051b6b4f40), r)
   Exit: (215) [system] get_char((0x56051b6b4f40), r)
   Call: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1154698)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1155632)
   Exit: (216) [system] peek_char((0x56051b6b4f40), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1159424, v('(', ')', end_of_file), o)
   Call: (216) [system] ')'==o
   Call: (216) [system] get_char((0x56051b6b4f40), o)
   Exit: (216) [system] get_char((0x56051b6b4f40), o)
   Call: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1163994)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1164928)
   Exit: (217) [system] peek_char((0x56051b6b4f40), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1168720, v('(', ')', end_of_file), d)
   Call: (217) [system] ')'==d
   Call: (217) [system] get_char((0x56051b6b4f40), d)
   Exit: (217) [system] get_char((0x56051b6b4f40), d)
   Call: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1173290)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1174224)
   Exit: (218) [system] peek_char((0x56051b6b4f40), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_1178016, v('(', ')', end_of_file), u)
   Call: (218) [system] ')'==u
   Call: (218) [system] get_char((0x56051b6b4f40), u)
   Exit: (218) [system] get_char((0x56051b6b4f40), u)
   Call: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1182586)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1183520)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1187312, v('(', ')', end_of_file), c)
   Call: (219) [system] ')'==c
   Call: (219) [system] get_char((0x56051b6b4f40), c)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1191882)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1192816)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1196608, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1201178)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1202112)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1205904, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1210474)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1211408)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1215200, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1219770)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1220704)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1224496, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1229066)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1230000)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1229066=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1219770=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (222) [system] _1210474=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (221) [system] _1201178=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (220) [system] _1191882=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (219) [system] _1182586=[c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (218) [system] _1173290=[u, c, t, i, o, n]
   Exit: (218) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (217) [system] _1163994=[d, u, c, t, i, o, n]
   Exit: (217) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (216) [system] _1154698=[o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (215) [system] _1145402=[r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1136106=[t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1126810=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1117514=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1108218=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1098922=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1089626=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1080330=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1071034=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1061738=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _1052442=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _1043146=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _1033850=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (202) [system] _1024554=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (202) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (201) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1004010)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1300778, _1300780), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1004010), _1300754, fail)), '$restore_trace'(_1300778, _1300780))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1300778, _1300780))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1004010), _1300754, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(_1004010)
   Call: (202) [system] atom_chars(_1004010, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (202) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (201) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1309230)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1311088)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1317898)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1320602)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1329994)
   Exit: (200) [system] peek_char((0x56051b6b4f40), a)
   Call: (200) [system] a=')'
   Call: (200) [system] a=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1333708)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1335566)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=(;)
^  Call: (202) [user] is_like_space(a)
   Call: (203) [system] char_type(a, 'white')
   Call: (203) [system] char_type(a, end_of_line)
   Call: (203) [system] char_type(a, space)
   Call: (203) [system] char_type(a, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1344034)
   Exit: (201) [system] get_char((0x56051b6b4f40), a)
   Call: (201) [system] a='('
   Call: (201) [system] a='['
   Call: (201) [system] a='{'
   Call: (201) [system] a='"'
   Call: (201) [system] a=!
   Call: (201) [system] a='\''
   Call: (201) [system] a='`'
   Call: (201) [system] a=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), a, _1333708)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1354252)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1355186)
   Exit: (203) [system] peek_char((0x56051b6b4f40), b)
^  Call: (203) [user] is_delimiter(b)
   Call: (204) [system] char_type(b, space)
   Call: (204) [system] arg(_1358978, v('(', ')', end_of_file), b)
   Call: (203) [system] ')'==b
   Call: (203) [system] get_char((0x56051b6b4f40), b)
   Exit: (203) [system] get_char((0x56051b6b4f40), b)
   Call: (203) [system] b=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1363548)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1364482)
   Exit: (204) [system] peek_char((0x56051b6b4f40), c)
^  Call: (204) [user] is_delimiter(c)
   Call: (205) [system] char_type(c, space)
   Call: (205) [system] arg(_1368274, v('(', ')', end_of_file), c)
   Call: (204) [system] ')'==c
   Call: (204) [system] get_char((0x56051b6b4f40), c)
   Exit: (204) [system] get_char((0x56051b6b4f40), c)
   Call: (204) [system] c=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1372844)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1373778)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1372844=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1363548=[c]
   Exit: (204) [system] [c]=[c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (203) [system] _1354252=[b, c]
   Exit: (203) [system] [b, c]=[b, c]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (202) [user] classify_and_convert_charseq(a, [b, c], _1333708)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1388676, _1388678), once(user:catch(read_from_chars([a, b, c], _1333708), _1388652, fail)), '$restore_trace'(_1388676, _1388678))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1388676, _1388678))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1388652, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(abc)
   Exit: (203) [system] atomic(abc)
^  Exit: (202) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1396176)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1398034)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1404844)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1407548)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
   Call: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1416940)
   Exit: (201) [system] peek_char((0x56051b6b4f40), a)
   Call: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1420654)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1422512)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
   Call: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1430980)
   Exit: (202) [system] get_char((0x56051b6b4f40), a)
   Call: (202) [system] a='('
   Call: (202) [system] a='['
   Call: (202) [system] a='{'
   Call: (202) [system] a='"'
   Call: (202) [system] a=!
   Call: (202) [system] a='\''
   Call: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), a, _1420654)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1441198)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1442132)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (204) [user] is_delimiter(')')
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] arg(_1445924, v('(', ')', end_of_file), ')')
   Exit: (205) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (204) [user] is_delimiter(')')
   Call: (204) [system] _1441198=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (203) [user] classify_and_convert_charseq(a, [], _1420654)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1452386, _1452388), once(user:catch(read_from_chars([a], _1420654), _1452362, fail)), '$restore_trace'(_1452386, _1452388))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1452386, _1452388))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1452362, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(a)
   Exit: (204) [system] atomic(a)
^  Exit: (203) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1459886)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1461744)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1470212)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1474002)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1459886=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _1396176=[a]
   Exit: (201) [system] [a]=[a]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (200) [system] _1309230=[abc, a]
   Exit: (200) [system] [abc, a]=[abc, a]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (199) [system] _975932=['DisjunctionIntroduction', abc, a]
   Exit: (199) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1487884)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1489742)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1496552)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1499256)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1508648)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1512362)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1514220)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1522688)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1512362)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1528258)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (201) [system] 'O'=(;)
^  Call: (201) [user] is_like_space('O')
   Call: (202) [system] char_type('O', 'white')
   Call: (202) [system] char_type('O', end_of_line)
   Call: (202) [system] char_type('O', space)
   Call: (202) [system] char_type('O', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1536726)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (200) [system] 'O'=')'
   Call: (200) [system] 'O'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1540440)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1542298)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (202) [system] 'O'=(;)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1550766)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'O')
   Call: (201) [system] 'O'='('
   Call: (201) [system] 'O'='['
   Call: (201) [system] 'O'='{'
   Call: (201) [system] 'O'='"'
   Call: (201) [system] 'O'=!
   Call: (201) [system] 'O'='\''
   Call: (201) [system] 'O'='`'
   Call: (201) [system] 'O'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1540440)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1560984)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1561918)
   Exit: (203) [system] peek_char((0x56051b6b4f40), r)
^  Call: (203) [user] is_delimiter(r)
   Call: (204) [system] char_type(r, space)
   Call: (204) [system] arg(_1565710, v('(', ')', end_of_file), r)
   Call: (203) [system] ')'==r
   Call: (203) [system] get_char((0x56051b6b4f40), r)
   Exit: (203) [system] get_char((0x56051b6b4f40), r)
   Call: (203) [system] r=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1570280)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1571214)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (204) [user] is_delimiter('L')
   Call: (205) [system] char_type('L', space)
   Call: (205) [system] arg(_1575006, v('(', ')', end_of_file), 'L')
   Call: (204) [system] ')'=='L'
   Call: (204) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (204) [system] get_char((0x56051b6b4f40), 'L')
   Call: (204) [system] 'L'=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1579576)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1580510)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_1584302, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1588872)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1589806)
   Exit: (206) [system] peek_char((0x56051b6b4f40), n)
^  Call: (206) [user] is_delimiter(n)
   Call: (207) [system] char_type(n, space)
   Call: (207) [system] arg(_1593598, v('(', ')', end_of_file), n)
   Call: (206) [system] ')'==n
   Call: (206) [system] get_char((0x56051b6b4f40), n)
   Exit: (206) [system] get_char((0x56051b6b4f40), n)
   Call: (206) [system] n=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1598168)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1599102)
   Exit: (207) [system] peek_char((0x56051b6b4f40), k)
^  Call: (207) [user] is_delimiter(k)
   Call: (208) [system] char_type(k, space)
   Call: (208) [system] arg(_1602894, v('(', ')', end_of_file), k)
   Call: (207) [system] ')'==k
   Call: (207) [system] get_char((0x56051b6b4f40), k)
   Exit: (207) [system] get_char((0x56051b6b4f40), k)
   Call: (207) [system] k=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1607464)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1608398)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _1607464=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1598168=[k]
   Exit: (207) [system] [k]=[k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (206) [system] _1588872=[n, k]
   Exit: (206) [system] [n, k]=[n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (205) [system] _1579576=[i, n, k]
   Exit: (205) [system] [i, n, k]=[i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (204) [system] _1570280=['L', i, n, k]
   Exit: (204) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (203) [system] _1560984=[r, 'L', i, n, k]
   Exit: (203) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (202) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1540440)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1631678, _1631680), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1540440), _1631654, fail)), '$restore_trace'(_1631678, _1631680))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1631678, _1631680))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1540440), _1631654, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_1540440)
   Call: (203) [system] atom_chars(_1540440, ['O', r, 'L', i, n, k])
   Exit: (203) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (202) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1640130)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1641988)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1648798)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1651502)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1660894)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1664608)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1666466)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1674934)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1664608)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1680504)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'=(;)
^  Call: (204) [user] is_like_space('I')
   Call: (205) [system] char_type('I', 'white')
   Call: (205) [system] char_type('I', end_of_line)
   Call: (205) [system] char_type('I', space)
   Call: (205) [system] char_type('I', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1688972)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (203) [system] 'I'=')'
   Call: (203) [system] 'I'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1692686)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1694544)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1703012)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'='('
   Call: (204) [system] 'I'='['
   Call: (204) [system] 'I'='{'
   Call: (204) [system] 'I'='"'
   Call: (204) [system] 'I'=!
   Call: (204) [system] 'I'='\''
   Call: (204) [system] 'I'='`'
   Call: (204) [system] 'I'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1692686)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1713230)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1714164)
   Exit: (206) [system] peek_char((0x56051b6b4f40), m)
^  Call: (206) [user] is_delimiter(m)
   Call: (207) [system] char_type(m, space)
   Call: (207) [system] arg(_1717956, v('(', ')', end_of_file), m)
   Call: (206) [system] ')'==m
   Call: (206) [system] get_char((0x56051b6b4f40), m)
   Exit: (206) [system] get_char((0x56051b6b4f40), m)
   Call: (206) [system] m=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1722526)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1723460)
   Exit: (207) [system] peek_char((0x56051b6b4f40), p)
^  Call: (207) [user] is_delimiter(p)
   Call: (208) [system] char_type(p, space)
   Call: (208) [system] arg(_1727252, v('(', ')', end_of_file), p)
   Call: (207) [system] ')'==p
   Call: (207) [system] get_char((0x56051b6b4f40), p)
   Exit: (207) [system] get_char((0x56051b6b4f40), p)
   Call: (207) [system] p=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1731822)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1732756)
   Exit: (208) [system] peek_char((0x56051b6b4f40), l)
^  Call: (208) [user] is_delimiter(l)
   Call: (209) [system] char_type(l, space)
   Call: (209) [system] arg(_1736548, v('(', ')', end_of_file), l)
   Call: (208) [system] ')'==l
   Call: (208) [system] get_char((0x56051b6b4f40), l)
   Exit: (208) [system] get_char((0x56051b6b4f40), l)
   Call: (208) [system] l=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1741118)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1742052)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1745844, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1750414)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1751348)
   Exit: (210) [system] peek_char((0x56051b6b4f40), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1755140, v('(', ')', end_of_file), c)
   Call: (210) [system] ')'==c
   Call: (210) [system] get_char((0x56051b6b4f40), c)
   Exit: (210) [system] get_char((0x56051b6b4f40), c)
   Call: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1759710)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1760644)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
^  Call: (211) [user] is_delimiter(a)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] arg(_1764436, v('(', ')', end_of_file), a)
   Call: (211) [system] ')'==a
   Call: (211) [system] get_char((0x56051b6b4f40), a)
   Exit: (211) [system] get_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1769006)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1769940)
   Exit: (212) [system] peek_char((0x56051b6b4f40), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1773732, v('(', ')', end_of_file), t)
   Call: (212) [system] ')'==t
   Call: (212) [system] get_char((0x56051b6b4f40), t)
   Exit: (212) [system] get_char((0x56051b6b4f40), t)
   Call: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1778302)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1779236)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1783028, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1787598)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1788532)
   Exit: (214) [system] peek_char((0x56051b6b4f40), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1792324, v('(', ')', end_of_file), o)
   Call: (214) [system] ')'==o
   Call: (214) [system] get_char((0x56051b6b4f40), o)
   Exit: (214) [system] get_char((0x56051b6b4f40), o)
   Call: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1796894)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1797828)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1801620, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1806190)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1807124)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1806190=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1796894=[n]
   Exit: (215) [system] [n]=[n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (214) [system] _1787598=[o, n]
   Exit: (214) [system] [o, n]=[o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (213) [system] _1778302=[i, o, n]
   Exit: (213) [system] [i, o, n]=[i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (212) [system] _1769006=[t, i, o, n]
   Exit: (212) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (211) [system] _1759710=[a, t, i, o, n]
   Exit: (211) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (210) [system] _1750414=[c, a, t, i, o, n]
   Exit: (210) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (209) [system] _1741118=[i, c, a, t, i, o, n]
   Exit: (209) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (208) [system] _1731822=[l, i, c, a, t, i, o, n]
   Exit: (208) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (207) [system] _1722526=[p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (206) [system] _1713230=[m, p, l, i, c, a, t, i, o, n]
   Exit: (206) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1692686)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1844374, _1844376), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1692686), _1844350, fail)), '$restore_trace'(_1844374, _1844376))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1844374, _1844376))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1692686), _1844350, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1692686)
   Call: (206) [system] atom_chars(_1692686, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (206) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1852826)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1854684)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1861494)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1864198)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1873590)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1877304)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1879162)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1887630)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1877304)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1893200)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=(;)
^  Call: (207) [user] is_like_space('A')
   Call: (208) [system] char_type('A', 'white')
   Call: (208) [system] char_type('A', end_of_line)
   Call: (208) [system] char_type('A', space)
   Call: (208) [system] char_type('A', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1901668)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=')'
   Call: (206) [system] 'A'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1905382)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1907240)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1915708)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'='('
   Call: (207) [system] 'A'='['
   Call: (207) [system] 'A'='{'
   Call: (207) [system] 'A'='"'
   Call: (207) [system] 'A'=!
   Call: (207) [system] 'A'='\''
   Call: (207) [system] 'A'='`'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1905382)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1925926)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1926860)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_1930652, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1935222)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1936156)
   Exit: (210) [system] peek_char((0x56051b6b4f40), d)
^  Call: (210) [user] is_delimiter(d)
   Call: (211) [system] char_type(d, space)
   Call: (211) [system] arg(_1939948, v('(', ')', end_of_file), d)
   Call: (210) [system] ')'==d
   Call: (210) [system] get_char((0x56051b6b4f40), d)
   Exit: (210) [system] get_char((0x56051b6b4f40), d)
   Call: (210) [system] d=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1944518)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1945452)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1949244, v('(', ')', end_of_file), 'L')
   Call: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'L')
   Call: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1953814)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1954748)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1958540, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1963110)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1964044)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1967836, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1972406)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1973340)
   Exit: (214) [system] peek_char((0x56051b6b4f40), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1977132, v('(', ')', end_of_file), k)
   Call: (214) [system] ')'==k
   Call: (214) [system] get_char((0x56051b6b4f40), k)
   Exit: (214) [system] get_char((0x56051b6b4f40), k)
   Call: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1981702)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1982636)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1981702=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1972406=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (213) [system] _1963110=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (212) [system] _1953814=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (211) [system] _1944518=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (210) [system] _1935222=[d, 'L', i, n, k]
   Exit: (210) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (209) [system] _1925926=[n, d, 'L', i, n, k]
   Exit: (209) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1905382)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_2008710, _2008712), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1905382), _2008686, fail)), '$restore_trace'(_2008710, _2008712))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_2008710, _2008712))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1905382), _2008686, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1905382)
   Call: (209) [system] atom_chars(_1905382, ['A', n, d, 'L', i, n, k])
   Exit: (209) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _2017162)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _2019020)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _2025830)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _2028534)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _2037926)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _2041640)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _2043498)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _2051966)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _2041640)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2062184)
   Call: (210) [system] peek_char((0x56051b6b4f40), _2063118)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _2062184=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq('A', [], _2041640)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_2072428, _2072430), once(user:catch(read_from_chars(['A'], _2041640), _2072404, fail)), '$restore_trace'(_2072428, _2072430))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_2072428, _2072430))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _2041640), _2072404, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_2041640)
   Call: (210) [system] atom_chars(_2041640, ['A'])
   Exit: (210) [system] atom_chars('A', ['A'])
^  Exit: (209) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _2080880)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _2082738)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _2089548)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _2092252)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _8906)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (208) [system] 'B'=')'
   Call: (208) [system] 'B'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _12620)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _14478)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=(;)
^  Call: (210) [user] is_like_space('B')
   Call: (211) [system] char_type('B', 'white')
   Call: (211) [system] char_type('B', end_of_line)
   Call: (211) [system] char_type('B', space)
   Call: (211) [system] char_type('B', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _22946)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'='('
   Call: (209) [system] 'B'='['
   Call: (209) [system] 'B'='{'
   Call: (209) [system] 'B'='"'
   Call: (209) [system] 'B'=!
   Call: (209) [system] 'B'='\''
   Call: (209) [system] 'B'='`'
   Call: (209) [system] 'B'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _12620)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _33164)
   Call: (211) [system] peek_char((0x56051b6b4f40), _34098)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_37890, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _33164=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('B', [], _12620)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_44352, _44354), once(user:catch(read_from_chars(['B'], _12620), _44328, fail)), '$restore_trace'(_44352, _44354))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_44352, _44354))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _12620), _44328, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_12620)
   Call: (211) [system] atom_chars(_12620, ['B'])
   Exit: (211) [system] atom_chars('B', ['B'])
^  Exit: (210) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _52804)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _54662)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _63130)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _66920)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _52804=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _3838=['B']
   Exit: (208) [system] ['B']=['B']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (207) [system] _3832=['A', 'B']
   Exit: (207) [system] ['A', 'B']=['A', 'B']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (206) [system] _3824=['AndLink', 'A', 'B']
   Exit: (206) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _80802)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _82660)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _89470)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _92174)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _101566)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (205) [system] 'C'=')'
   Call: (205) [system] 'C'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _105280)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _107138)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=(;)
^  Call: (207) [user] is_like_space('C')
   Call: (208) [system] char_type('C', 'white')
   Call: (208) [system] char_type('C', end_of_line)
   Call: (208) [system] char_type('C', space)
   Call: (208) [system] char_type('C', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _115606)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'='('
   Call: (206) [system] 'C'='['
   Call: (206) [system] 'C'='{'
   Call: (206) [system] 'C'='"'
   Call: (206) [system] 'C'=!
   Call: (206) [system] 'C'='\''
   Call: (206) [system] 'C'='`'
   Call: (206) [system] 'C'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _105280)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _125824)
   Call: (208) [system] peek_char((0x56051b6b4f40), _126758)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (208) [user] is_delimiter(')')
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] arg(_130550, v('(', ')', end_of_file), ')')
   Exit: (209) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (208) [user] is_delimiter(')')
   Call: (208) [system] _125824=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (207) [user] classify_and_convert_charseq('C', [], _105280)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_137012, _137014), once(user:catch(read_from_chars(['C'], _105280), _136988, fail)), '$restore_trace'(_137012, _137014))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_137012, _137014))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _105280), _136988, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_105280)
   Call: (208) [system] atom_chars(_105280, ['C'])
   Exit: (208) [system] atom_chars('C', ['C'])
^  Exit: (207) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _145464)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _147322)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _155790)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _159580)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _145464=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _80802=['C']
   Exit: (205) [system] ['C']=['C']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (204) [system] _3820=[['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (203) [system] _3812=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (203) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _173462)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _175320)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _182130)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _184834)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (204) [system] 'B'=(;)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _194226)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (202) [system] 'B'=')'
   Call: (202) [system] 'B'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _197940)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _199798)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (204) [system] 'B'=(;)
^  Call: (204) [user] is_like_space('B')
   Call: (205) [system] char_type('B', 'white')
   Call: (205) [system] char_type('B', end_of_line)
   Call: (205) [system] char_type('B', space)
   Call: (205) [system] char_type('B', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _208266)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'B')
   Call: (203) [system] 'B'='('
   Call: (203) [system] 'B'='['
   Call: (203) [system] 'B'='{'
   Call: (203) [system] 'B'='"'
   Call: (203) [system] 'B'=!
   Call: (203) [system] 'B'='\''
   Call: (203) [system] 'B'='`'
   Call: (203) [system] 'B'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _197940)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _218484)
   Call: (205) [system] peek_char((0x56051b6b4f40), _219418)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (205) [user] is_delimiter(')')
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] arg(_223210, v('(', ')', end_of_file), ')')
   Exit: (206) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (205) [user] is_delimiter(')')
   Call: (205) [system] _218484=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (204) [user] classify_and_convert_charseq('B', [], _197940)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_229672, _229674), once(user:catch(read_from_chars(['B'], _197940), _229648, fail)), '$restore_trace'(_229672, _229674))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_229672, _229674))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _197940), _229648, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_197940)
   Call: (205) [system] atom_chars(_197940, ['B'])
   Exit: (205) [system] atom_chars('B', ['B'])
^  Exit: (204) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _238124)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _239982)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _248450)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _252240)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _238124=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _173462=['B']
   Exit: (202) [system] ['B']=['B']
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (201) [system] _3808=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (201) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (200) [system] _3800=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (200) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _266122)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _267980)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=(;)
^  Call: (200) [user] is_like_space(')')
   Call: (201) [system] char_type(')', 'white')
   Call: (201) [system] char_type(')', end_of_line)
   Call: (201) [system] char_type(')', space)
   Call: (201) [system] char_type(')', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _276448)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ')')
   Call: (199) [system] ')'=')'
   Exit: (199) [system] ')'=')'
   Call: (199) [system] get_char((0x56051b6b4f40), _280238)
   Exit: (199) [system] get_char((0x56051b6b4f40), ')')
   Call: (199) [system] _266122=[]
   Exit: (199) [system] []=[]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (198) [system] _3796=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (198) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (197) [system] _3772=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (197) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (196) [system] _3764=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (196) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (195) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (194) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (194) [user] read_list(')', (0x56051b6b4f40), _294120)
^  Call: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _295978)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (196) [system] '\n'=(;)
^  Call: (196) [user] is_like_space('\n')
   Call: (197) [system] char_type('\n', 'white')
   Call: (197) [system] char_type('\n', end_of_line)
   Exit: (197) [system] char_type('\n', end_of_line)
^  Exit: (196) [user] is_like_space('\n')
   Call: (196) [system] get_char((0x56051b6b4f40), _303594)
   Exit: (196) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _306298)
   Exit: (197) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (197) [system] ' '=(;)
^  Call: (197) [user] is_like_space(' ')
   Call: (198) [system] char_type(' ', 'white')
   Exit: (198) [system] char_type(' ', 'white')
^  Exit: (197) [user] is_like_space(' ')
   Call: (197) [system] get_char((0x56051b6b4f40), _313108)
   Exit: (197) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _315812)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (195) [user] skip_spaces((0x56051b6b4f40))
   Call: (195) [system] peek_char((0x56051b6b4f40), _326128)
   Exit: (195) [system] peek_char((0x56051b6b4f40), '(')
   Call: (195) [system] '('=')'
   Call: (195) [system] '('=end_of_file
^  Call: (195) [user] cont_sexpr(')', (0x56051b6b4f40), _329842)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _331700)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=(;)
^  Call: (197) [user] is_like_space('(')
   Call: (198) [system] char_type('(', 'white')
   Call: (198) [system] char_type('(', end_of_line)
   Call: (198) [system] char_type('(', space)
   Call: (198) [system] char_type('(', cntrl)
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] get_char((0x56051b6b4f40), _340168)
   Exit: (196) [system] get_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('='('
   Exit: (196) [system] '('='('
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _329842)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _345738)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=(;)
^  Call: (198) [user] is_like_space(:)
   Call: (199) [system] char_type(:, 'white')
   Call: (199) [system] char_type(:, end_of_line)
   Call: (199) [system] char_type(:, space)
   Call: (199) [system] char_type(:, cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _354206)
   Exit: (197) [system] peek_char((0x56051b6b4f40), :)
   Call: (197) [system] (:)=')'
   Call: (197) [system] (:)=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _357920)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _359778)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _368246)
   Exit: (198) [system] get_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)='('
   Call: (198) [system] (:)='['
   Call: (198) [system] (:)='{'
   Call: (198) [system] (:)='"'
   Call: (198) [system] (:)=!
   Call: (198) [system] (:)='\''
   Call: (198) [system] (:)='`'
   Call: (198) [system] (:)=end_of_file
^  Call: (198) [user] read_symbolic(')', (0x56051b6b4f40), :, _357920)
^  Call: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), _378464)
   Call: (200) [system] peek_char((0x56051b6b4f40), _379398)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] is_delimiter(' ')
   Call: (201) [system] char_type(' ', space)
   Exit: (201) [system] char_type(' ', space)
^  Exit: (200) [user] is_delimiter(' ')
   Call: (200) [system] _378464=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (199) [user] classify_and_convert_charseq(:, [], _357920)
^  Call: (201) [system] setup_call_cleanup('$notrace'(_388708, _388710), once(user:catch(read_from_chars([:], _357920), _388684, fail)), '$restore_trace'(_388708, _388710))
^  Call: (202) [system] sig_atomic(system:'$notrace'(_388708, _388710))
^  Exit: (201) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _388684, fail)), system:'$restore_trace'(3, -1))
   Call: (200) [system] atomic(:)
   Exit: (200) [system] atomic(:)
^  Exit: (199) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (198) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _396208)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _398066)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _404876)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _407580)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _416972)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _420686)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _422544)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _431012)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _420686)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _436582)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (201) [system] 'D'=(;)
^  Call: (201) [user] is_like_space('D')
   Call: (202) [system] char_type('D', 'white')
   Call: (202) [system] char_type('D', end_of_line)
   Call: (202) [system] char_type('D', space)
   Call: (202) [system] char_type('D', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _445050)
   Exit: (200) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (200) [system] 'D'=')'
   Call: (200) [system] 'D'=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _448764)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _450622)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (202) [system] 'D'=(;)
^  Call: (202) [user] is_like_space('D')
   Call: (203) [system] char_type('D', 'white')
   Call: (203) [system] char_type('D', end_of_line)
   Call: (203) [system] char_type('D', space)
   Call: (203) [system] char_type('D', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _459090)
   Exit: (201) [system] get_char((0x56051b6b4f40), 'D')
   Call: (201) [system] 'D'='('
   Call: (201) [system] 'D'='['
   Call: (201) [system] 'D'='{'
   Call: (201) [system] 'D'='"'
   Call: (201) [system] 'D'=!
   Call: (201) [system] 'D'='\''
   Call: (201) [system] 'D'='`'
   Call: (201) [system] 'D'=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _448764)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _469308)
   Call: (203) [system] peek_char((0x56051b6b4f40), _470242)
   Exit: (203) [system] peek_char((0x56051b6b4f40), i)
^  Call: (203) [user] is_delimiter(i)
   Call: (204) [system] char_type(i, space)
   Call: (204) [system] arg(_474034, v('(', ')', end_of_file), i)
   Call: (203) [system] ')'==i
   Call: (203) [system] get_char((0x56051b6b4f40), i)
   Exit: (203) [system] get_char((0x56051b6b4f40), i)
   Call: (203) [system] i=(\)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _478604)
   Call: (204) [system] peek_char((0x56051b6b4f40), _479538)
   Exit: (204) [system] peek_char((0x56051b6b4f40), s)
^  Call: (204) [user] is_delimiter(s)
   Call: (205) [system] char_type(s, space)
   Call: (205) [system] arg(_483330, v('(', ')', end_of_file), s)
   Call: (204) [system] ')'==s
   Call: (204) [system] get_char((0x56051b6b4f40), s)
   Exit: (204) [system] get_char((0x56051b6b4f40), s)
   Call: (204) [system] s=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _487900)
   Call: (205) [system] peek_char((0x56051b6b4f40), _488834)
   Exit: (205) [system] peek_char((0x56051b6b4f40), j)
^  Call: (205) [user] is_delimiter(j)
   Call: (206) [system] char_type(j, space)
   Call: (206) [system] arg(_492626, v('(', ')', end_of_file), j)
   Call: (205) [system] ')'==j
   Call: (205) [system] get_char((0x56051b6b4f40), j)
   Exit: (205) [system] get_char((0x56051b6b4f40), j)
   Call: (205) [system] j=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _497196)
   Call: (206) [system] peek_char((0x56051b6b4f40), _498130)
   Exit: (206) [system] peek_char((0x56051b6b4f40), u)
^  Call: (206) [user] is_delimiter(u)
   Call: (207) [system] char_type(u, space)
   Call: (207) [system] arg(_501922, v('(', ')', end_of_file), u)
   Call: (206) [system] ')'==u
   Call: (206) [system] get_char((0x56051b6b4f40), u)
   Exit: (206) [system] get_char((0x56051b6b4f40), u)
   Call: (206) [system] u=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _506492)
   Call: (207) [system] peek_char((0x56051b6b4f40), _507426)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_511218, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _515788)
   Call: (208) [system] peek_char((0x56051b6b4f40), _516722)
   Exit: (208) [system] peek_char((0x56051b6b4f40), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_520514, v('(', ')', end_of_file), c)
   Call: (208) [system] ')'==c
   Call: (208) [system] get_char((0x56051b6b4f40), c)
   Exit: (208) [system] get_char((0x56051b6b4f40), c)
   Call: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _525084)
   Call: (209) [system] peek_char((0x56051b6b4f40), _526018)
   Exit: (209) [system] peek_char((0x56051b6b4f40), t)
^  Call: (209) [user] is_delimiter(t)
   Call: (210) [system] char_type(t, space)
   Call: (210) [system] arg(_529810, v('(', ')', end_of_file), t)
   Call: (209) [system] ')'==t
   Call: (209) [system] get_char((0x56051b6b4f40), t)
   Exit: (209) [system] get_char((0x56051b6b4f40), t)
   Call: (209) [system] t=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _534380)
   Call: (210) [system] peek_char((0x56051b6b4f40), _535314)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_539106, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _543676)
   Call: (211) [system] peek_char((0x56051b6b4f40), _544610)
   Exit: (211) [system] peek_char((0x56051b6b4f40), o)
^  Call: (211) [user] is_delimiter(o)
   Call: (212) [system] char_type(o, space)
   Call: (212) [system] arg(_548402, v('(', ')', end_of_file), o)
   Call: (211) [system] ')'==o
   Call: (211) [system] get_char((0x56051b6b4f40), o)
   Exit: (211) [system] get_char((0x56051b6b4f40), o)
   Call: (211) [system] o=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _552972)
   Call: (212) [system] peek_char((0x56051b6b4f40), _553906)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_557698, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _562268)
   Call: (213) [system] peek_char((0x56051b6b4f40), _563202)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (213) [user] is_delimiter('I')
   Call: (214) [system] char_type('I', space)
   Call: (214) [system] arg(_566994, v('(', ')', end_of_file), 'I')
   Call: (213) [system] ')'=='I'
   Call: (213) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (213) [system] get_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _571564)
   Call: (214) [system] peek_char((0x56051b6b4f40), _572498)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_576290, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _580860)
   Call: (215) [system] peek_char((0x56051b6b4f40), _581794)
   Exit: (215) [system] peek_char((0x56051b6b4f40), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_585586, v('(', ')', end_of_file), t)
   Call: (215) [system] ')'==t
   Call: (215) [system] get_char((0x56051b6b4f40), t)
   Exit: (215) [system] get_char((0x56051b6b4f40), t)
   Call: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _590156)
   Call: (216) [system] peek_char((0x56051b6b4f40), _591090)
   Exit: (216) [system] peek_char((0x56051b6b4f40), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_594882, v('(', ')', end_of_file), r)
   Call: (216) [system] ')'==r
   Call: (216) [system] get_char((0x56051b6b4f40), r)
   Exit: (216) [system] get_char((0x56051b6b4f40), r)
   Call: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _599452)
   Call: (217) [system] peek_char((0x56051b6b4f40), _600386)
   Exit: (217) [system] peek_char((0x56051b6b4f40), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_604178, v('(', ')', end_of_file), o)
   Call: (217) [system] ')'==o
   Call: (217) [system] get_char((0x56051b6b4f40), o)
   Exit: (217) [system] get_char((0x56051b6b4f40), o)
   Call: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _608748)
   Call: (218) [system] peek_char((0x56051b6b4f40), _609682)
   Exit: (218) [system] peek_char((0x56051b6b4f40), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_613474, v('(', ')', end_of_file), d)
   Call: (218) [system] ')'==d
   Call: (218) [system] get_char((0x56051b6b4f40), d)
   Exit: (218) [system] get_char((0x56051b6b4f40), d)
   Call: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _618044)
   Call: (219) [system] peek_char((0x56051b6b4f40), _618978)
   Exit: (219) [system] peek_char((0x56051b6b4f40), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_622770, v('(', ')', end_of_file), u)
   Call: (219) [system] ')'==u
   Call: (219) [system] get_char((0x56051b6b4f40), u)
   Exit: (219) [system] get_char((0x56051b6b4f40), u)
   Call: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _627340)
   Call: (220) [system] peek_char((0x56051b6b4f40), _628274)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_632066, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _636636)
   Call: (221) [system] peek_char((0x56051b6b4f40), _637570)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_641362, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _645932)
   Call: (222) [system] peek_char((0x56051b6b4f40), _646866)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_650658, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _655228)
   Call: (223) [system] peek_char((0x56051b6b4f40), _656162)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_659954, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _664524)
   Call: (224) [system] peek_char((0x56051b6b4f40), _665458)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_669250, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _673820)
   Call: (225) [system] peek_char((0x56051b6b4f40), _674754)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _673820=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _664524=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (223) [system] _655228=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (222) [system] _645932=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (221) [system] _636636=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (220) [system] _627340=[c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (219) [system] _618044=[u, c, t, i, o, n]
   Exit: (219) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (218) [system] _608748=[d, u, c, t, i, o, n]
   Exit: (218) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (217) [system] _599452=[o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (216) [system] _590156=[r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _580860=[t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _571564=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _562268=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _552972=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _543676=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _534380=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _525084=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _515788=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _506492=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _497196=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _487900=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _478604=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (203) [system] _469308=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (203) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (202) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _448764)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_745532, _745534), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _448764), _745508, fail)), '$restore_trace'(_745532, _745534))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_745532, _745534))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _448764), _745508, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(_448764)
   Call: (203) [system] atom_chars(_448764, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (203) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (202) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _753984)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _755842)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _762652)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _765356)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
   Call: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _774748)
   Exit: (201) [system] peek_char((0x56051b6b4f40), a)
   Call: (201) [system] a=')'
   Call: (201) [system] a=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _778462)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _780320)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
   Call: (203) [system] a=(;)
^  Call: (203) [user] is_like_space(a)
   Call: (204) [system] char_type(a, 'white')
   Call: (204) [system] char_type(a, end_of_line)
   Call: (204) [system] char_type(a, space)
   Call: (204) [system] char_type(a, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _788788)
   Exit: (202) [system] get_char((0x56051b6b4f40), a)
   Call: (202) [system] a='('
   Call: (202) [system] a='['
   Call: (202) [system] a='{'
   Call: (202) [system] a='"'
   Call: (202) [system] a=!
   Call: (202) [system] a='\''
   Call: (202) [system] a='`'
   Call: (202) [system] a=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), a, _778462)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _799006)
   Call: (204) [system] peek_char((0x56051b6b4f40), _799940)
   Exit: (204) [system] peek_char((0x56051b6b4f40), b)
^  Call: (204) [user] is_delimiter(b)
   Call: (205) [system] char_type(b, space)
   Call: (205) [system] arg(_803732, v('(', ')', end_of_file), b)
   Call: (204) [system] ')'==b
   Call: (204) [system] get_char((0x56051b6b4f40), b)
   Exit: (204) [system] get_char((0x56051b6b4f40), b)
   Call: (204) [system] b=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _808302)
   Call: (205) [system] peek_char((0x56051b6b4f40), _809236)
   Exit: (205) [system] peek_char((0x56051b6b4f40), c)
^  Call: (205) [user] is_delimiter(c)
   Call: (206) [system] char_type(c, space)
   Call: (206) [system] arg(_813028, v('(', ')', end_of_file), c)
   Call: (205) [system] ')'==c
   Call: (205) [system] get_char((0x56051b6b4f40), c)
   Exit: (205) [system] get_char((0x56051b6b4f40), c)
   Call: (205) [system] c=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _817598)
   Call: (206) [system] peek_char((0x56051b6b4f40), _818532)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _817598=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (205) [system] _808302=[c]
   Exit: (205) [system] [c]=[c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (204) [system] _799006=[b, c]
   Exit: (204) [system] [b, c]=[b, c]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (203) [user] classify_and_convert_charseq(a, [b, c], _778462)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_833430, _833432), once(user:catch(read_from_chars([a, b, c], _778462), _833406, fail)), '$restore_trace'(_833430, _833432))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_833430, _833432))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _833406, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(abc)
   Exit: (204) [system] atomic(abc)
^  Exit: (203) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _840930)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _842788)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _849598)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _852302)
   Exit: (204) [system] peek_char((0x56051b6b4f40), c)
   Call: (204) [system] c=(;)
^  Call: (204) [user] is_like_space(c)
   Call: (205) [system] char_type(c, 'white')
   Call: (205) [system] char_type(c, end_of_line)
   Call: (205) [system] char_type(c, space)
   Call: (205) [system] char_type(c, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _861694)
   Exit: (202) [system] peek_char((0x56051b6b4f40), c)
   Call: (202) [system] c=')'
   Call: (202) [system] c=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _865408)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _867266)
   Exit: (204) [system] peek_char((0x56051b6b4f40), c)
   Call: (204) [system] c=(;)
^  Call: (204) [user] is_like_space(c)
   Call: (205) [system] char_type(c, 'white')
   Call: (205) [system] char_type(c, end_of_line)
   Call: (205) [system] char_type(c, space)
   Call: (205) [system] char_type(c, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _875734)
   Exit: (203) [system] get_char((0x56051b6b4f40), c)
   Call: (203) [system] c='('
   Call: (203) [system] c='['
   Call: (203) [system] c='{'
   Call: (203) [system] c='"'
   Call: (203) [system] c=!
   Call: (203) [system] c='\''
   Call: (203) [system] c='`'
   Call: (203) [system] c=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), c, _865408)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _885952)
   Call: (205) [system] peek_char((0x56051b6b4f40), _886886)
   Exit: (205) [system] peek_char((0x56051b6b4f40), d)
^  Call: (205) [user] is_delimiter(d)
   Call: (206) [system] char_type(d, space)
   Call: (206) [system] arg(_890678, v('(', ')', end_of_file), d)
   Call: (205) [system] ')'==d
   Call: (205) [system] get_char((0x56051b6b4f40), d)
   Exit: (205) [system] get_char((0x56051b6b4f40), d)
   Call: (205) [system] d=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _895248)
   Call: (206) [system] peek_char((0x56051b6b4f40), _896182)
   Exit: (206) [system] peek_char((0x56051b6b4f40), e)
^  Call: (206) [user] is_delimiter(e)
   Call: (207) [system] char_type(e, space)
   Call: (207) [system] arg(_899974, v('(', ')', end_of_file), e)
   Call: (206) [system] ')'==e
   Call: (206) [system] get_char((0x56051b6b4f40), e)
   Exit: (206) [system] get_char((0x56051b6b4f40), e)
   Call: (206) [system] e=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _904544)
   Call: (207) [system] peek_char((0x56051b6b4f40), _905478)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_909270, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _904544=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _895248=[e]
   Exit: (206) [system] [e]=[e]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (205) [system] _885952=[d, e]
   Exit: (205) [system] [d, e]=[d, e]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (204) [user] classify_and_convert_charseq(c, [d, e], _865408)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_921320, _921322), once(user:catch(read_from_chars([c, d, e], _865408), _921296, fail)), '$restore_trace'(_921320, _921322))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_921320, _921322))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _921296, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(cde)
   Exit: (205) [system] atomic(cde)
^  Exit: (204) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _928820)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _930678)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _939146)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _942936)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _928820=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _840930=[cde]
   Exit: (202) [system] [cde]=[cde]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (201) [system] _753984=[abc, cde]
   Exit: (201) [system] [abc, cde]=[abc, cde]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [abc, cde])
   Call: (200) [system] _420686=['DisjunctionIntroduction', abc, cde]
   Exit: (200) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, cde])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, cde])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _956818)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _958676)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _965486)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _968190)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _977582)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _981296)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _983154)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _991622)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _981296)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _997192)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (202) [system] 'O'=(;)
^  Call: (202) [user] is_like_space('O')
   Call: (203) [system] char_type('O', 'white')
   Call: (203) [system] char_type('O', end_of_line)
   Call: (203) [system] char_type('O', space)
   Call: (203) [system] char_type('O', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1005660)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (201) [system] 'O'=')'
   Call: (201) [system] 'O'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1009374)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1011232)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (203) [system] 'O'=(;)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1019700)
   Exit: (202) [system] get_char((0x56051b6b4f40), 'O')
   Call: (202) [system] 'O'='('
   Call: (202) [system] 'O'='['
   Call: (202) [system] 'O'='{'
   Call: (202) [system] 'O'='"'
   Call: (202) [system] 'O'=!
   Call: (202) [system] 'O'='\''
   Call: (202) [system] 'O'='`'
   Call: (202) [system] 'O'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1009374)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1029918)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1030852)
   Exit: (204) [system] peek_char((0x56051b6b4f40), r)
^  Call: (204) [user] is_delimiter(r)
   Call: (205) [system] char_type(r, space)
   Call: (205) [system] arg(_1034644, v('(', ')', end_of_file), r)
   Call: (204) [system] ')'==r
   Call: (204) [system] get_char((0x56051b6b4f40), r)
   Exit: (204) [system] get_char((0x56051b6b4f40), r)
   Call: (204) [system] r=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1039214)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1040148)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (205) [user] is_delimiter('L')
   Call: (206) [system] char_type('L', space)
   Call: (206) [system] arg(_1043940, v('(', ')', end_of_file), 'L')
   Call: (205) [system] ')'=='L'
   Call: (205) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (205) [system] get_char((0x56051b6b4f40), 'L')
   Call: (205) [system] 'L'=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1048510)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1049444)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1053236, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1057806)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1058740)
   Exit: (207) [system] peek_char((0x56051b6b4f40), n)
^  Call: (207) [user] is_delimiter(n)
   Call: (208) [system] char_type(n, space)
   Call: (208) [system] arg(_1062532, v('(', ')', end_of_file), n)
   Call: (207) [system] ')'==n
   Call: (207) [system] get_char((0x56051b6b4f40), n)
   Exit: (207) [system] get_char((0x56051b6b4f40), n)
   Call: (207) [system] n=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1067102)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1068036)
   Exit: (208) [system] peek_char((0x56051b6b4f40), k)
^  Call: (208) [user] is_delimiter(k)
   Call: (209) [system] char_type(k, space)
   Call: (209) [system] arg(_1071828, v('(', ')', end_of_file), k)
   Call: (208) [system] ')'==k
   Call: (208) [system] get_char((0x56051b6b4f40), k)
   Exit: (208) [system] get_char((0x56051b6b4f40), k)
   Call: (208) [system] k=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1076398)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1077332)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1076398=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1067102=[k]
   Exit: (208) [system] [k]=[k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (207) [system] _1057806=[n, k]
   Exit: (207) [system] [n, k]=[n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (206) [system] _1048510=[i, n, k]
   Exit: (206) [system] [i, n, k]=[i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (205) [system] _1039214=['L', i, n, k]
   Exit: (205) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (204) [system] _1029918=[r, 'L', i, n, k]
   Exit: (204) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1009374)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1100612, _1100614), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1009374), _1100588, fail)), '$restore_trace'(_1100612, _1100614))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1100612, _1100614))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1009374), _1100588, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_1009374)
   Call: (204) [system] atom_chars(_1009374, ['O', r, 'L', i, n, k])
   Exit: (204) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (203) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1109064)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1110922)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1117732)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1120436)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1129828)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1133542)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1135400)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1143868)
   Exit: (203) [system] get_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1133542)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1149438)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'=(;)
^  Call: (205) [user] is_like_space('I')
   Call: (206) [system] char_type('I', 'white')
   Call: (206) [system] char_type('I', end_of_line)
   Call: (206) [system] char_type('I', space)
   Call: (206) [system] char_type('I', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1157906)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (204) [system] 'I'=')'
   Call: (204) [system] 'I'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1161620)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1163478)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1171946)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'='('
   Call: (205) [system] 'I'='['
   Call: (205) [system] 'I'='{'
   Call: (205) [system] 'I'='"'
   Call: (205) [system] 'I'=!
   Call: (205) [system] 'I'='\''
   Call: (205) [system] 'I'='`'
   Call: (205) [system] 'I'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1161620)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1182164)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1183098)
   Exit: (207) [system] peek_char((0x56051b6b4f40), m)
^  Call: (207) [user] is_delimiter(m)
   Call: (208) [system] char_type(m, space)
   Call: (208) [system] arg(_1186890, v('(', ')', end_of_file), m)
   Call: (207) [system] ')'==m
   Call: (207) [system] get_char((0x56051b6b4f40), m)
   Exit: (207) [system] get_char((0x56051b6b4f40), m)
   Call: (207) [system] m=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1191460)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1192394)
   Exit: (208) [system] peek_char((0x56051b6b4f40), p)
^  Call: (208) [user] is_delimiter(p)
   Call: (209) [system] char_type(p, space)
   Call: (209) [system] arg(_1196186, v('(', ')', end_of_file), p)
   Call: (208) [system] ')'==p
   Call: (208) [system] get_char((0x56051b6b4f40), p)
   Exit: (208) [system] get_char((0x56051b6b4f40), p)
   Call: (208) [system] p=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1200756)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1201690)
   Exit: (209) [system] peek_char((0x56051b6b4f40), l)
^  Call: (209) [user] is_delimiter(l)
   Call: (210) [system] char_type(l, space)
   Call: (210) [system] arg(_1205482, v('(', ')', end_of_file), l)
   Call: (209) [system] ')'==l
   Call: (209) [system] get_char((0x56051b6b4f40), l)
   Exit: (209) [system] get_char((0x56051b6b4f40), l)
   Call: (209) [system] l=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1210052)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1210986)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1214778, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1219348)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1220282)
   Exit: (211) [system] peek_char((0x56051b6b4f40), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1224074, v('(', ')', end_of_file), c)
   Call: (211) [system] ')'==c
   Call: (211) [system] get_char((0x56051b6b4f40), c)
   Exit: (211) [system] get_char((0x56051b6b4f40), c)
   Call: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1228644)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1229578)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
^  Call: (212) [user] is_delimiter(a)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] arg(_1233370, v('(', ')', end_of_file), a)
   Call: (212) [system] ')'==a
   Call: (212) [system] get_char((0x56051b6b4f40), a)
   Exit: (212) [system] get_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1237940)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1238874)
   Exit: (213) [system] peek_char((0x56051b6b4f40), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_1242666, v('(', ')', end_of_file), t)
   Call: (213) [system] ')'==t
   Call: (213) [system] get_char((0x56051b6b4f40), t)
   Exit: (213) [system] get_char((0x56051b6b4f40), t)
   Call: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1247236)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1248170)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1251962, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1256532)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1257466)
   Exit: (215) [system] peek_char((0x56051b6b4f40), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_1261258, v('(', ')', end_of_file), o)
   Call: (215) [system] ')'==o
   Call: (215) [system] get_char((0x56051b6b4f40), o)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1265828)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1266762)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1270554, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1275124)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1276058)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1275124=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1265828=[n]
   Exit: (216) [system] [n]=[n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (215) [system] _1256532=[o, n]
   Exit: (215) [system] [o, n]=[o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (214) [system] _1247236=[i, o, n]
   Exit: (214) [system] [i, o, n]=[i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (213) [system] _1237940=[t, i, o, n]
   Exit: (213) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (212) [system] _1228644=[a, t, i, o, n]
   Exit: (212) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (211) [system] _1219348=[c, a, t, i, o, n]
   Exit: (211) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (210) [system] _1210052=[i, c, a, t, i, o, n]
   Exit: (210) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (209) [system] _1200756=[l, i, c, a, t, i, o, n]
   Exit: (209) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (208) [system] _1191460=[p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (207) [system] _1182164=[m, p, l, i, c, a, t, i, o, n]
   Exit: (207) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1161620)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1313308, _1313310), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1161620), _1313284, fail)), '$restore_trace'(_1313308, _1313310))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1313308, _1313310))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1161620), _1313284, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1161620)
   Call: (207) [system] atom_chars(_1161620, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (207) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1321760)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1323618)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _1330428)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1333132)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1342524)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1346238)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1348096)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1356564)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1346238)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1362134)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=(;)
^  Call: (208) [user] is_like_space('A')
   Call: (209) [system] char_type('A', 'white')
   Call: (209) [system] char_type('A', end_of_line)
   Call: (209) [system] char_type('A', space)
   Call: (209) [system] char_type('A', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1370602)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (207) [system] 'A'=')'
   Call: (207) [system] 'A'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1374316)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1376174)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1384642)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'='('
   Call: (208) [system] 'A'='['
   Call: (208) [system] 'A'='{'
   Call: (208) [system] 'A'='"'
   Call: (208) [system] 'A'=!
   Call: (208) [system] 'A'='\''
   Call: (208) [system] 'A'='`'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1374316)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1394860)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1395794)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1399586, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1404156)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1405090)
   Exit: (211) [system] peek_char((0x56051b6b4f40), d)
^  Call: (211) [user] is_delimiter(d)
   Call: (212) [system] char_type(d, space)
   Call: (212) [system] arg(_1408882, v('(', ')', end_of_file), d)
   Call: (211) [system] ')'==d
   Call: (211) [system] get_char((0x56051b6b4f40), d)
   Exit: (211) [system] get_char((0x56051b6b4f40), d)
   Call: (211) [system] d=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1413452)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1414386)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1418178, v('(', ')', end_of_file), 'L')
   Call: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (212) [system] get_char((0x56051b6b4f40), 'L')
   Call: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1422748)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1423682)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1427474, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1432044)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1432978)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1436770, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1441340)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1442274)
   Exit: (215) [system] peek_char((0x56051b6b4f40), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1446066, v('(', ')', end_of_file), k)
   Call: (215) [system] ')'==k
   Call: (215) [system] get_char((0x56051b6b4f40), k)
   Exit: (215) [system] get_char((0x56051b6b4f40), k)
   Call: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1450636)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1451570)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1450636=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1441340=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (214) [system] _1432044=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (213) [system] _1422748=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (212) [system] _1413452=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (211) [system] _1404156=[d, 'L', i, n, k]
   Exit: (211) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (210) [system] _1394860=[n, d, 'L', i, n, k]
   Exit: (210) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1374316)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1477644, _1477646), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1374316), _1477620, fail)), '$restore_trace'(_1477644, _1477646))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1477644, _1477646))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1374316), _1477620, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1374316)
   Call: (210) [system] atom_chars(_1374316, ['A', n, d, 'L', i, n, k])
   Exit: (210) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1486096)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1487954)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1494764)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1497468)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1506860)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1510574)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1512432)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1520900)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1510574)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1531118)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1532052)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1531118=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('A', [], _1510574)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1541362, _1541364), once(user:catch(read_from_chars(['A'], _1510574), _1541338, fail)), '$restore_trace'(_1541362, _1541364))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1541362, _1541364))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1510574), _1541338, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1510574)
   Call: (211) [system] atom_chars(_1510574, ['A'])
   Exit: (211) [system] atom_chars('A', ['A'])
^  Exit: (210) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1549814)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1551672)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1558482)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1561186)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (211) [system] 'B'=(;)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1570578)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (209) [system] 'B'=')'
   Call: (209) [system] 'B'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1574292)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1576150)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (211) [system] 'B'=(;)
^  Call: (211) [user] is_like_space('B')
   Call: (212) [system] char_type('B', 'white')
   Call: (212) [system] char_type('B', end_of_line)
   Call: (212) [system] char_type('B', space)
   Call: (212) [system] char_type('B', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1584618)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'='('
   Call: (210) [system] 'B'='['
   Call: (210) [system] 'B'='{'
   Call: (210) [system] 'B'='"'
   Call: (210) [system] 'B'=!
   Call: (210) [system] 'B'='\''
   Call: (210) [system] 'B'='`'
   Call: (210) [system] 'B'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1574292)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1594836)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1595770)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_1599562, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _1594836=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq('B', [], _1574292)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1606024, _1606026), once(user:catch(read_from_chars(['B'], _1574292), _1606000, fail)), '$restore_trace'(_1606024, _1606026))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1606024, _1606026))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1574292), _1606000, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1574292)
   Call: (212) [system] atom_chars(_1574292, ['B'])
   Exit: (212) [system] atom_chars('B', ['B'])
^  Exit: (211) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1614476)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1616334)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1624802)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _1628592)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _1614476=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1549814=['B']
   Exit: (209) [system] ['B']=['B']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (208) [system] _1486096=['A', 'B']
   Exit: (208) [system] ['A', 'B']=['A', 'B']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (207) [system] _1346238=['AndLink', 'A', 'B']
   Exit: (207) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1642474)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1644332)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1651142)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1653846)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1663238)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (206) [system] 'C'=')'
   Call: (206) [system] 'C'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1666952)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1668810)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'=(;)
^  Call: (208) [user] is_like_space('C')
   Call: (209) [system] char_type('C', 'white')
   Call: (209) [system] char_type('C', end_of_line)
   Call: (209) [system] char_type('C', space)
   Call: (209) [system] char_type('C', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1677278)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'='('
   Call: (207) [system] 'C'='['
   Call: (207) [system] 'C'='{'
   Call: (207) [system] 'C'='"'
   Call: (207) [system] 'C'=!
   Call: (207) [system] 'C'='\''
   Call: (207) [system] 'C'='`'
   Call: (207) [system] 'C'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1666952)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1687496)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1688430)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (209) [user] is_delimiter(')')
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] arg(_1692222, v('(', ')', end_of_file), ')')
   Exit: (210) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (209) [user] is_delimiter(')')
   Call: (209) [system] _1687496=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (208) [user] classify_and_convert_charseq('C', [], _1666952)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1698684, _1698686), once(user:catch(read_from_chars(['C'], _1666952), _1698660, fail)), '$restore_trace'(_1698684, _1698686))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1698684, _1698686))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1666952), _1698660, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1666952)
   Call: (209) [system] atom_chars(_1666952, ['C'])
   Exit: (209) [system] atom_chars('C', ['C'])
^  Exit: (208) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1707136)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1708994)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1717462)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x56051b6b4f40), _1721252)
   Exit: (207) [system] get_char((0x56051b6b4f40), ')')
   Call: (207) [system] _1707136=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (206) [system] _1642474=['C']
   Exit: (206) [system] ['C']=['C']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (205) [system] _1321760=[['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (204) [system] _1133542=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (204) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1735134)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1736992)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1743802)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1746506)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1755898)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1759612)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1761470)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1769938)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1759612)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1775508)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1783976)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1787690)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1789548)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (207) [system] 'I'=(;)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1798016)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1787690)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1808234)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1809168)
   Exit: (208) [system] peek_char((0x56051b6b4f40), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1812960, v('(', ')', end_of_file), m)
   Call: (208) [system] ')'==m
   Call: (208) [system] get_char((0x56051b6b4f40), m)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1817530)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1818464)
   Exit: (209) [system] peek_char((0x56051b6b4f40), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_1822256, v('(', ')', end_of_file), p)
   Call: (209) [system] ')'==p
   Call: (209) [system] get_char((0x56051b6b4f40), p)
   Exit: (209) [system] get_char((0x56051b6b4f40), p)
   Call: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1826826)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1827760)
   Exit: (210) [system] peek_char((0x56051b6b4f40), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1831552, v('(', ')', end_of_file), l)
   Call: (210) [system] ')'==l
   Call: (210) [system] get_char((0x56051b6b4f40), l)
   Exit: (210) [system] get_char((0x56051b6b4f40), l)
   Call: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1836122)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1837056)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1840848, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1845418)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1846352)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1850144, v('(', ')', end_of_file), c)
   Call: (212) [system] ')'==c
   Call: (212) [system] get_char((0x56051b6b4f40), c)
   Exit: (212) [system] get_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1854714)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1855648)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_1859440, v('(', ')', end_of_file), a)
   Call: (213) [system] ')'==a
   Call: (213) [system] get_char((0x56051b6b4f40), a)
   Exit: (213) [system] get_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1864010)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1864944)
   Exit: (214) [system] peek_char((0x56051b6b4f40), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1868736, v('(', ')', end_of_file), t)
   Call: (214) [system] ')'==t
   Call: (214) [system] get_char((0x56051b6b4f40), t)
   Exit: (214) [system] get_char((0x56051b6b4f40), t)
   Call: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1873306)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1874240)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1878032, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1882602)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1883536)
   Exit: (216) [system] peek_char((0x56051b6b4f40), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1887328, v('(', ')', end_of_file), o)
   Call: (216) [system] ')'==o
   Call: (216) [system] get_char((0x56051b6b4f40), o)
   Exit: (216) [system] get_char((0x56051b6b4f40), o)
   Call: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1891898)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1892832)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1896624, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1901194)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1902128)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1901194=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (217) [system] _1891898=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (216) [system] _1882602=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (215) [system] _1873306=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (214) [system] _1864010=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (213) [system] _1854714=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (212) [system] _1845418=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (211) [system] _1836122=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (210) [system] _1826826=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _1817530=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _1808234=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1787690)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1939378, _1939380), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1787690), _1939354, fail)), '$restore_trace'(_1939378, _1939380))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1939378, _1939380))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1787690), _1939354, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1787690)
   Call: (208) [system] atom_chars(_1787690, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1947830)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1949688)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1956498)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1959202)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1968594)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1972308)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1974166)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1982634)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1972308)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1988204)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1996672)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _2000386)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _2002244)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _2010712)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _2000386)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2020930)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2021864)
   Exit: (211) [system] peek_char((0x56051b6b4f40), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_2025656, v('(', ')', end_of_file), r)
   Call: (211) [system] ')'==r
   Call: (211) [system] get_char((0x56051b6b4f40), r)
   Exit: (211) [system] get_char((0x56051b6b4f40), r)
   Call: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2030226)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2031160)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_2034952, v('(', ')', end_of_file), 'L')
   Call: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (212) [system] get_char((0x56051b6b4f40), 'L')
   Call: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2039522)
   Call: (213) [system] peek_char((0x56051b6b4f40), _2040456)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_2044248, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2048818)
   Call: (214) [system] peek_char((0x56051b6b4f40), _2049752)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_2053544, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2058114)
   Call: (215) [system] peek_char((0x56051b6b4f40), _2059048)
   Exit: (215) [system] peek_char((0x56051b6b4f40), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_2062840, v('(', ')', end_of_file), k)
   Call: (215) [system] ')'==k
   Call: (215) [system] get_char((0x56051b6b4f40), k)
   Exit: (215) [system] get_char((0x56051b6b4f40), k)
   Call: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2067410)
   Call: (216) [system] peek_char((0x56051b6b4f40), _2068344)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _2067410=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _2058114=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (214) [system] _2048818=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (213) [system] _2039522=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (212) [system] _2030226=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (211) [system] _2020930=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _2000386)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_2091624, _2091626), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _2000386), _2091600, fail)), '$restore_trace'(_2091624, _2091626))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_2091624, _2091626))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _2000386), _2091600, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_2000386)
   Call: (211) [system] atom_chars(_2000386, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _7336)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _9194)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _16004)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _18708)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _28100)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _31814)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _33672)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _42140)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _31814)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _52358)
   Call: (212) [system] peek_char((0x56051b6b4f40), _53292)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _52358=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq('C', [], _31814)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_62602, _62604), once(user:catch(read_from_chars(['C'], _31814), _62578, fail)), '$restore_trace'(_62602, _62604))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_62602, _62604))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _31814), _62578, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_31814)
   Call: (212) [system] atom_chars(_31814, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _71054)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _72912)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _79722)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _82426)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _91818)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _95532)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _97390)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _105858)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _95532)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _116076)
   Call: (213) [system] peek_char((0x56051b6b4f40), _117010)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_120802, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _116076=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq('D', [], _95532)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_127264, _127266), once(user:catch(read_from_chars(['D'], _95532), _127240, fail)), '$restore_trace'(_127264, _127266))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_127264, _127266))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _95532), _127240, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_95532)
   Call: (213) [system] atom_chars(_95532, ['D'])
   Exit: (213) [system] atom_chars('D', ['D'])
^  Exit: (212) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _135716)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _137574)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _146042)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _149832)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _135716=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _71054=['D']
   Exit: (210) [system] ['D']=['D']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (209) [system] _7336=['C', 'D']
   Exit: (209) [system] ['C', 'D']=['C', 'D']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (208) [system] _3962=['OrLink', 'C', 'D']
   Exit: (208) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _163714)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _165572)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _172382)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _175086)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (209) [system] 'E'=(;)
^  Call: (209) [user] is_like_space('E')
   Call: (210) [system] char_type('E', 'white')
   Call: (210) [system] char_type('E', end_of_line)
   Call: (210) [system] char_type('E', space)
   Call: (210) [system] char_type('E', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _184478)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (207) [system] 'E'=')'
   Call: (207) [system] 'E'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _188192)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _190050)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (209) [system] 'E'=(;)
^  Call: (209) [user] is_like_space('E')
   Call: (210) [system] char_type('E', 'white')
   Call: (210) [system] char_type('E', end_of_line)
   Call: (210) [system] char_type('E', space)
   Call: (210) [system] char_type('E', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _198518)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'E')
   Call: (208) [system] 'E'='('
   Call: (208) [system] 'E'='['
   Call: (208) [system] 'E'='{'
   Call: (208) [system] 'E'='"'
   Call: (208) [system] 'E'=!
   Call: (208) [system] 'E'='\''
   Call: (208) [system] 'E'='`'
   Call: (208) [system] 'E'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _188192)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _208736)
   Call: (210) [system] peek_char((0x56051b6b4f40), _209670)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_213462, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _208736=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq('E', [], _188192)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_219924, _219926), once(user:catch(read_from_chars(['E'], _188192), _219900, fail)), '$restore_trace'(_219924, _219926))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_219924, _219926))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _188192), _219900, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_188192)
   Call: (210) [system] atom_chars(_188192, ['E'])
   Exit: (210) [system] atom_chars('E', ['E'])
^  Exit: (209) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _228376)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _230234)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _238702)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _242492)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _228376=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _163714=['E']
   Exit: (207) [system] ['E']=['E']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (206) [system] _3958=[['OrLink', 'C', 'D'], 'E']
   Exit: (206) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (205) [system] _3950=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (205) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _256374)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _258232)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _266700)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _270490)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _256374=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _3946=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (203) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (202) [system] _3904=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (202) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (201) [system] _3896=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (201) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _284372)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _286230)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=(;)
^  Call: (201) [user] is_like_space(')')
   Call: (202) [system] char_type(')', 'white')
   Call: (202) [system] char_type(')', end_of_line)
   Call: (202) [system] char_type(')', space)
   Call: (202) [system] char_type(')', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _294698)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ')')
   Call: (200) [system] ')'=')'
   Exit: (200) [system] ')'=')'
   Call: (200) [system] get_char((0x56051b6b4f40), _298488)
   Exit: (200) [system] get_char((0x56051b6b4f40), ')')
   Call: (200) [system] _284372=[]
   Exit: (200) [system] []=[]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (199) [system] _3892=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (199) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (198) [system] _3868=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (198) [system] [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (197) [system] _3860=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (197) [system] [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (196) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (195) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, cde], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (195) [user] read_list(')', (0x56051b6b4f40), _312370)
^  Call: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _314228)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (197) [system] '\n'=(;)
^  Call: (197) [user] is_like_space('\n')
   Call: (198) [system] char_type('\n', 'white')
   Call: (198) [system] char_type('\n', end_of_line)
   Exit: (198) [system] char_type('\n', end_of_line)
^  Exit: (197) [user] is_like_space('\n')
   Call: (197) [system] get_char((0x56051b6b4f40), _321844)
   Exit: (197) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _324548)
   Exit: (198) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (198) [system] ' '=(;)
^  Call: (198) [user] is_like_space(' ')
   Call: (199) [system] char_type(' ', 'white')
   Exit: (199) [system] char_type(' ', 'white')
^  Exit: (198) [user] is_like_space(' ')
   Call: (198) [system] get_char((0x56051b6b4f40), _331358)
   Exit: (198) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _334062)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (196) [user] skip_spaces((0x56051b6b4f40))
   Call: (196) [system] peek_char((0x56051b6b4f40), _344378)
   Exit: (196) [system] peek_char((0x56051b6b4f40), '(')
   Call: (196) [system] '('=')'
   Call: (196) [system] '('=end_of_file
^  Call: (196) [user] cont_sexpr(')', (0x56051b6b4f40), _348092)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _349950)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=(;)
^  Call: (198) [user] is_like_space('(')
   Call: (199) [system] char_type('(', 'white')
   Call: (199) [system] char_type('(', end_of_line)
   Call: (199) [system] char_type('(', space)
   Call: (199) [system] char_type('(', cntrl)
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] get_char((0x56051b6b4f40), _358418)
   Exit: (197) [system] get_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('='('
   Exit: (197) [system] '('='('
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _348092)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _363988)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=(;)
^  Call: (199) [user] is_like_space(:)
   Call: (200) [system] char_type(:, 'white')
   Call: (200) [system] char_type(:, end_of_line)
   Call: (200) [system] char_type(:, space)
   Call: (200) [system] char_type(:, cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _372456)
   Exit: (198) [system] peek_char((0x56051b6b4f40), :)
   Call: (198) [system] (:)=')'
   Call: (198) [system] (:)=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _376170)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _378028)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _386496)
   Exit: (199) [system] get_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)='('
   Call: (199) [system] (:)='['
   Call: (199) [system] (:)='{'
   Call: (199) [system] (:)='"'
   Call: (199) [system] (:)=!
   Call: (199) [system] (:)='\''
   Call: (199) [system] (:)='`'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] read_symbolic(')', (0x56051b6b4f40), :, _376170)
^  Call: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), _396714)
   Call: (201) [system] peek_char((0x56051b6b4f40), _397648)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] is_delimiter(' ')
   Call: (202) [system] char_type(' ', space)
   Exit: (202) [system] char_type(' ', space)
^  Exit: (201) [user] is_delimiter(' ')
   Call: (201) [system] _396714=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (200) [user] classify_and_convert_charseq(:, [], _376170)
^  Call: (202) [system] setup_call_cleanup('$notrace'(_406958, _406960), once(user:catch(read_from_chars([:], _376170), _406934, fail)), '$restore_trace'(_406958, _406960))
^  Call: (203) [system] sig_atomic(system:'$notrace'(_406958, _406960))
^  Exit: (202) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _406934, fail)), system:'$restore_trace'(3, -1))
   Call: (201) [system] atomic(:)
   Exit: (201) [system] atomic(:)
^  Exit: (200) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (199) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _414458)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _416316)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _423126)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _425830)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _435222)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _438936)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _440794)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _449262)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _438936)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _454832)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (202) [system] 'D'=(;)
^  Call: (202) [user] is_like_space('D')
   Call: (203) [system] char_type('D', 'white')
   Call: (203) [system] char_type('D', end_of_line)
   Call: (203) [system] char_type('D', space)
   Call: (203) [system] char_type('D', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _463300)
   Exit: (201) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (201) [system] 'D'=')'
   Call: (201) [system] 'D'=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _467014)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _468872)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (203) [system] 'D'=(;)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _477340)
   Exit: (202) [system] get_char((0x56051b6b4f40), 'D')
   Call: (202) [system] 'D'='('
   Call: (202) [system] 'D'='['
   Call: (202) [system] 'D'='{'
   Call: (202) [system] 'D'='"'
   Call: (202) [system] 'D'=!
   Call: (202) [system] 'D'='\''
   Call: (202) [system] 'D'='`'
   Call: (202) [system] 'D'=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _467014)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _487558)
   Call: (204) [system] peek_char((0x56051b6b4f40), _488492)
   Exit: (204) [system] peek_char((0x56051b6b4f40), i)
^  Call: (204) [user] is_delimiter(i)
   Call: (205) [system] char_type(i, space)
   Call: (205) [system] arg(_492284, v('(', ')', end_of_file), i)
   Call: (204) [system] ')'==i
   Call: (204) [system] get_char((0x56051b6b4f40), i)
   Exit: (204) [system] get_char((0x56051b6b4f40), i)
   Call: (204) [system] i=(\)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _496854)
   Call: (205) [system] peek_char((0x56051b6b4f40), _497788)
   Exit: (205) [system] peek_char((0x56051b6b4f40), s)
^  Call: (205) [user] is_delimiter(s)
   Call: (206) [system] char_type(s, space)
   Call: (206) [system] arg(_501580, v('(', ')', end_of_file), s)
   Call: (205) [system] ')'==s
   Call: (205) [system] get_char((0x56051b6b4f40), s)
   Exit: (205) [system] get_char((0x56051b6b4f40), s)
   Call: (205) [system] s=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _506150)
   Call: (206) [system] peek_char((0x56051b6b4f40), _507084)
   Exit: (206) [system] peek_char((0x56051b6b4f40), j)
^  Call: (206) [user] is_delimiter(j)
   Call: (207) [system] char_type(j, space)
   Call: (207) [system] arg(_510876, v('(', ')', end_of_file), j)
   Call: (206) [system] ')'==j
   Call: (206) [system] get_char((0x56051b6b4f40), j)
   Exit: (206) [system] get_char((0x56051b6b4f40), j)
   Call: (206) [system] j=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _515446)
   Call: (207) [system] peek_char((0x56051b6b4f40), _516380)
   Exit: (207) [system] peek_char((0x56051b6b4f40), u)
^  Call: (207) [user] is_delimiter(u)
   Call: (208) [system] char_type(u, space)
   Call: (208) [system] arg(_520172, v('(', ')', end_of_file), u)
   Call: (207) [system] ')'==u
   Call: (207) [system] get_char((0x56051b6b4f40), u)
   Exit: (207) [system] get_char((0x56051b6b4f40), u)
   Call: (207) [system] u=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _524742)
   Call: (208) [system] peek_char((0x56051b6b4f40), _525676)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_529468, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _534038)
   Call: (209) [system] peek_char((0x56051b6b4f40), _534972)
   Exit: (209) [system] peek_char((0x56051b6b4f40), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_538764, v('(', ')', end_of_file), c)
   Call: (209) [system] ')'==c
   Call: (209) [system] get_char((0x56051b6b4f40), c)
   Exit: (209) [system] get_char((0x56051b6b4f40), c)
   Call: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _543334)
   Call: (210) [system] peek_char((0x56051b6b4f40), _544268)
   Exit: (210) [system] peek_char((0x56051b6b4f40), t)
^  Call: (210) [user] is_delimiter(t)
   Call: (211) [system] char_type(t, space)
   Call: (211) [system] arg(_548060, v('(', ')', end_of_file), t)
   Call: (210) [system] ')'==t
   Call: (210) [system] get_char((0x56051b6b4f40), t)
   Exit: (210) [system] get_char((0x56051b6b4f40), t)
   Call: (210) [system] t=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _552630)
   Call: (211) [system] peek_char((0x56051b6b4f40), _553564)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_557356, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _561926)
   Call: (212) [system] peek_char((0x56051b6b4f40), _562860)
   Exit: (212) [system] peek_char((0x56051b6b4f40), o)
^  Call: (212) [user] is_delimiter(o)
   Call: (213) [system] char_type(o, space)
   Call: (213) [system] arg(_566652, v('(', ')', end_of_file), o)
   Call: (212) [system] ')'==o
   Call: (212) [system] get_char((0x56051b6b4f40), o)
   Exit: (212) [system] get_char((0x56051b6b4f40), o)
   Call: (212) [system] o=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _571222)
   Call: (213) [system] peek_char((0x56051b6b4f40), _572156)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_575948, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _580518)
   Call: (214) [system] peek_char((0x56051b6b4f40), _581452)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (214) [user] is_delimiter('I')
   Call: (215) [system] char_type('I', space)
   Call: (215) [system] arg(_585244, v('(', ')', end_of_file), 'I')
   Call: (214) [system] ')'=='I'
   Call: (214) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (214) [system] get_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _589814)
   Call: (215) [system] peek_char((0x56051b6b4f40), _590748)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_594540, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _599110)
   Call: (216) [system] peek_char((0x56051b6b4f40), _600044)
   Exit: (216) [system] peek_char((0x56051b6b4f40), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_603836, v('(', ')', end_of_file), t)
   Call: (216) [system] ')'==t
   Call: (216) [system] get_char((0x56051b6b4f40), t)
   Exit: (216) [system] get_char((0x56051b6b4f40), t)
   Call: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _608406)
   Call: (217) [system] peek_char((0x56051b6b4f40), _609340)
   Exit: (217) [system] peek_char((0x56051b6b4f40), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_613132, v('(', ')', end_of_file), r)
   Call: (217) [system] ')'==r
   Call: (217) [system] get_char((0x56051b6b4f40), r)
   Exit: (217) [system] get_char((0x56051b6b4f40), r)
   Call: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _617702)
   Call: (218) [system] peek_char((0x56051b6b4f40), _618636)
   Exit: (218) [system] peek_char((0x56051b6b4f40), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_622428, v('(', ')', end_of_file), o)
   Call: (218) [system] ')'==o
   Call: (218) [system] get_char((0x56051b6b4f40), o)
   Exit: (218) [system] get_char((0x56051b6b4f40), o)
   Call: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _626998)
   Call: (219) [system] peek_char((0x56051b6b4f40), _627932)
   Exit: (219) [system] peek_char((0x56051b6b4f40), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_631724, v('(', ')', end_of_file), d)
   Call: (219) [system] ')'==d
   Call: (219) [system] get_char((0x56051b6b4f40), d)
   Exit: (219) [system] get_char((0x56051b6b4f40), d)
   Call: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _636294)
   Call: (220) [system] peek_char((0x56051b6b4f40), _637228)
   Exit: (220) [system] peek_char((0x56051b6b4f40), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_641020, v('(', ')', end_of_file), u)
   Call: (220) [system] ')'==u
   Call: (220) [system] get_char((0x56051b6b4f40), u)
   Exit: (220) [system] get_char((0x56051b6b4f40), u)
   Call: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _645590)
   Call: (221) [system] peek_char((0x56051b6b4f40), _646524)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_650316, v('(', ')', end_of_file), c)
   Call: (221) [system] ')'==c
   Call: (221) [system] get_char((0x56051b6b4f40), c)
   Exit: (221) [system] get_char((0x56051b6b4f40), c)
   Call: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _654886)
   Call: (222) [system] peek_char((0x56051b6b4f40), _655820)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_659612, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _664182)
   Call: (223) [system] peek_char((0x56051b6b4f40), _665116)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_668908, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _673478)
   Call: (224) [system] peek_char((0x56051b6b4f40), _674412)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_678204, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _682774)
   Call: (225) [system] peek_char((0x56051b6b4f40), _683708)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_687500, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _692070)
   Call: (226) [system] peek_char((0x56051b6b4f40), _693004)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _692070=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _682774=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (224) [system] _673478=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (223) [system] _664182=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (222) [system] _654886=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (221) [system] _645590=[c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (220) [system] _636294=[u, c, t, i, o, n]
   Exit: (220) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (219) [system] _626998=[d, u, c, t, i, o, n]
   Exit: (219) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (218) [system] _617702=[o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (217) [system] _608406=[r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _599110=[t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _589814=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _580518=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _571222=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _561926=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _552630=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _543334=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _534038=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _524742=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _515446=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _506150=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _496854=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (204) [system] _487558=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (204) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (203) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _467014)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_763782, _763784), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _467014), _763758, fail)), '$restore_trace'(_763782, _763784))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_763782, _763784))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _467014), _763758, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(_467014)
   Call: (204) [system] atom_chars(_467014, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (204) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (203) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _772234)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _774092)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _780902)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _783606)
   Exit: (204) [system] peek_char((0x56051b6b4f40), a)
   Call: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _792998)
   Exit: (202) [system] peek_char((0x56051b6b4f40), a)
   Call: (202) [system] a=')'
   Call: (202) [system] a=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _796712)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _798570)
   Exit: (204) [system] peek_char((0x56051b6b4f40), a)
   Call: (204) [system] a=(;)
^  Call: (204) [user] is_like_space(a)
   Call: (205) [system] char_type(a, 'white')
   Call: (205) [system] char_type(a, end_of_line)
   Call: (205) [system] char_type(a, space)
   Call: (205) [system] char_type(a, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _807038)
   Exit: (203) [system] get_char((0x56051b6b4f40), a)
   Call: (203) [system] a='('
   Call: (203) [system] a='['
   Call: (203) [system] a='{'
   Call: (203) [system] a='"'
   Call: (203) [system] a=!
   Call: (203) [system] a='\''
   Call: (203) [system] a='`'
   Call: (203) [system] a=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), a, _796712)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _817256)
   Call: (205) [system] peek_char((0x56051b6b4f40), _818190)
   Exit: (205) [system] peek_char((0x56051b6b4f40), b)
^  Call: (205) [user] is_delimiter(b)
   Call: (206) [system] char_type(b, space)
   Call: (206) [system] arg(_821982, v('(', ')', end_of_file), b)
   Call: (205) [system] ')'==b
   Call: (205) [system] get_char((0x56051b6b4f40), b)
   Exit: (205) [system] get_char((0x56051b6b4f40), b)
   Call: (205) [system] b=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _826552)
   Call: (206) [system] peek_char((0x56051b6b4f40), _827486)
   Exit: (206) [system] peek_char((0x56051b6b4f40), c)
^  Call: (206) [user] is_delimiter(c)
   Call: (207) [system] char_type(c, space)
   Call: (207) [system] arg(_831278, v('(', ')', end_of_file), c)
   Call: (206) [system] ')'==c
   Call: (206) [system] get_char((0x56051b6b4f40), c)
   Exit: (206) [system] get_char((0x56051b6b4f40), c)
   Call: (206) [system] c=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _835848)
   Call: (207) [system] peek_char((0x56051b6b4f40), _836782)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _835848=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (206) [system] _826552=[c]
   Exit: (206) [system] [c]=[c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (205) [system] _817256=[b, c]
   Exit: (205) [system] [b, c]=[b, c]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (204) [user] classify_and_convert_charseq(a, [b, c], _796712)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_851680, _851682), once(user:catch(read_from_chars([a, b, c], _796712), _851656, fail)), '$restore_trace'(_851680, _851682))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_851680, _851682))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _851656, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(abc)
   Exit: (205) [system] atomic(abc)
^  Exit: (204) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _859180)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _861038)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _867848)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _870552)
   Exit: (205) [system] peek_char((0x56051b6b4f40), a)
   Call: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _879944)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
   Call: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _883658)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _885516)
   Exit: (205) [system] peek_char((0x56051b6b4f40), a)
   Call: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _893984)
   Exit: (204) [system] get_char((0x56051b6b4f40), a)
   Call: (204) [system] a='('
   Call: (204) [system] a='['
   Call: (204) [system] a='{'
   Call: (204) [system] a='"'
   Call: (204) [system] a=!
   Call: (204) [system] a='\''
   Call: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), a, _883658)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _904202)
   Call: (206) [system] peek_char((0x56051b6b4f40), _905136)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (206) [user] is_delimiter(')')
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] arg(_908928, v('(', ')', end_of_file), ')')
   Exit: (207) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (206) [user] is_delimiter(')')
   Call: (206) [system] _904202=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (205) [user] classify_and_convert_charseq(a, [], _883658)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_915390, _915392), once(user:catch(read_from_chars([a], _883658), _915366, fail)), '$restore_trace'(_915390, _915392))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_915390, _915392))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _915366, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(a)
   Exit: (206) [system] atomic(a)
^  Exit: (205) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _922890)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _924748)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _933216)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _937006)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _922890=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _859180=[a]
   Exit: (203) [system] [a]=[a]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (202) [system] _772234=[abc, a]
   Exit: (202) [system] [abc, a]=[abc, a]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (201) [system] _438936=['DisjunctionIntroduction', abc, a]
   Exit: (201) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _950888)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _952746)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _959556)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _962260)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _971652)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _975366)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _977224)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _985692)
   Exit: (201) [system] get_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _975366)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _991262)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (203) [system] 'O'=(;)
^  Call: (203) [user] is_like_space('O')
   Call: (204) [system] char_type('O', 'white')
   Call: (204) [system] char_type('O', end_of_line)
   Call: (204) [system] char_type('O', space)
   Call: (204) [system] char_type('O', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _999730)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (202) [system] 'O'=')'
   Call: (202) [system] 'O'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1003444)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1005302)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (204) [system] 'O'=(;)
^  Call: (204) [user] is_like_space('O')
   Call: (205) [system] char_type('O', 'white')
   Call: (205) [system] char_type('O', end_of_line)
   Call: (205) [system] char_type('O', space)
   Call: (205) [system] char_type('O', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1013770)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'O')
   Call: (203) [system] 'O'='('
   Call: (203) [system] 'O'='['
   Call: (203) [system] 'O'='{'
   Call: (203) [system] 'O'='"'
   Call: (203) [system] 'O'=!
   Call: (203) [system] 'O'='\''
   Call: (203) [system] 'O'='`'
   Call: (203) [system] 'O'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1003444)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1023988)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1024922)
   Exit: (205) [system] peek_char((0x56051b6b4f40), r)
^  Call: (205) [user] is_delimiter(r)
   Call: (206) [system] char_type(r, space)
   Call: (206) [system] arg(_1028714, v('(', ')', end_of_file), r)
   Call: (205) [system] ')'==r
   Call: (205) [system] get_char((0x56051b6b4f40), r)
   Exit: (205) [system] get_char((0x56051b6b4f40), r)
   Call: (205) [system] r=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1033284)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1034218)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (206) [user] is_delimiter('L')
   Call: (207) [system] char_type('L', space)
   Call: (207) [system] arg(_1038010, v('(', ')', end_of_file), 'L')
   Call: (206) [system] ')'=='L'
   Call: (206) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (206) [system] get_char((0x56051b6b4f40), 'L')
   Call: (206) [system] 'L'=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1042580)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1043514)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1047306, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1051876)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1052810)
   Exit: (208) [system] peek_char((0x56051b6b4f40), n)
^  Call: (208) [user] is_delimiter(n)
   Call: (209) [system] char_type(n, space)
   Call: (209) [system] arg(_1056602, v('(', ')', end_of_file), n)
   Call: (208) [system] ')'==n
   Call: (208) [system] get_char((0x56051b6b4f40), n)
   Exit: (208) [system] get_char((0x56051b6b4f40), n)
   Call: (208) [system] n=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1061172)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1062106)
   Exit: (209) [system] peek_char((0x56051b6b4f40), k)
^  Call: (209) [user] is_delimiter(k)
   Call: (210) [system] char_type(k, space)
   Call: (210) [system] arg(_1065898, v('(', ')', end_of_file), k)
   Call: (209) [system] ')'==k
   Call: (209) [system] get_char((0x56051b6b4f40), k)
   Exit: (209) [system] get_char((0x56051b6b4f40), k)
   Call: (209) [system] k=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1070468)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1071402)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1070468=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _1061172=[k]
   Exit: (209) [system] [k]=[k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (208) [system] _1051876=[n, k]
   Exit: (208) [system] [n, k]=[n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (207) [system] _1042580=[i, n, k]
   Exit: (207) [system] [i, n, k]=[i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (206) [system] _1033284=['L', i, n, k]
   Exit: (206) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (205) [system] _1023988=[r, 'L', i, n, k]
   Exit: (205) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (204) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1003444)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1094682, _1094684), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1003444), _1094658, fail)), '$restore_trace'(_1094682, _1094684))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1094682, _1094684))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1003444), _1094658, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_1003444)
   Call: (205) [system] atom_chars(_1003444, ['O', r, 'L', i, n, k])
   Exit: (205) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (204) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1103134)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1104992)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1111802)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1114506)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1123898)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1127612)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1129470)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1137938)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1127612)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1143508)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'=(;)
^  Call: (206) [user] is_like_space('I')
   Call: (207) [system] char_type('I', 'white')
   Call: (207) [system] char_type('I', end_of_line)
   Call: (207) [system] char_type('I', space)
   Call: (207) [system] char_type('I', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1151976)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (205) [system] 'I'=')'
   Call: (205) [system] 'I'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1155690)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1157548)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (207) [system] 'I'=(;)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1166016)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'='('
   Call: (206) [system] 'I'='['
   Call: (206) [system] 'I'='{'
   Call: (206) [system] 'I'='"'
   Call: (206) [system] 'I'=!
   Call: (206) [system] 'I'='\''
   Call: (206) [system] 'I'='`'
   Call: (206) [system] 'I'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1155690)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1176234)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1177168)
   Exit: (208) [system] peek_char((0x56051b6b4f40), m)
^  Call: (208) [user] is_delimiter(m)
   Call: (209) [system] char_type(m, space)
   Call: (209) [system] arg(_1180960, v('(', ')', end_of_file), m)
   Call: (208) [system] ')'==m
   Call: (208) [system] get_char((0x56051b6b4f40), m)
   Exit: (208) [system] get_char((0x56051b6b4f40), m)
   Call: (208) [system] m=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1185530)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1186464)
   Exit: (209) [system] peek_char((0x56051b6b4f40), p)
^  Call: (209) [user] is_delimiter(p)
   Call: (210) [system] char_type(p, space)
   Call: (210) [system] arg(_1190256, v('(', ')', end_of_file), p)
   Call: (209) [system] ')'==p
   Call: (209) [system] get_char((0x56051b6b4f40), p)
   Exit: (209) [system] get_char((0x56051b6b4f40), p)
   Call: (209) [system] p=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1194826)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1195760)
   Exit: (210) [system] peek_char((0x56051b6b4f40), l)
^  Call: (210) [user] is_delimiter(l)
   Call: (211) [system] char_type(l, space)
   Call: (211) [system] arg(_1199552, v('(', ')', end_of_file), l)
   Call: (210) [system] ')'==l
   Call: (210) [system] get_char((0x56051b6b4f40), l)
   Exit: (210) [system] get_char((0x56051b6b4f40), l)
   Call: (210) [system] l=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1204122)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1205056)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_1208848, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1213418)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1214352)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_1218144, v('(', ')', end_of_file), c)
   Call: (212) [system] ')'==c
   Call: (212) [system] get_char((0x56051b6b4f40), c)
   Exit: (212) [system] get_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1222714)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1223648)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
^  Call: (213) [user] is_delimiter(a)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] arg(_1227440, v('(', ')', end_of_file), a)
   Call: (213) [system] ')'==a
   Call: (213) [system] get_char((0x56051b6b4f40), a)
   Exit: (213) [system] get_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1232010)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1232944)
   Exit: (214) [system] peek_char((0x56051b6b4f40), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1236736, v('(', ')', end_of_file), t)
   Call: (214) [system] ')'==t
   Call: (214) [system] get_char((0x56051b6b4f40), t)
   Exit: (214) [system] get_char((0x56051b6b4f40), t)
   Call: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1241306)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1242240)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1246032, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1250602)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1251536)
   Exit: (216) [system] peek_char((0x56051b6b4f40), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1255328, v('(', ')', end_of_file), o)
   Call: (216) [system] ')'==o
   Call: (216) [system] get_char((0x56051b6b4f40), o)
   Exit: (216) [system] get_char((0x56051b6b4f40), o)
   Call: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1259898)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1260832)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1264624, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1269194)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1270128)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1269194=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (217) [system] _1259898=[n]
   Exit: (217) [system] [n]=[n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (216) [system] _1250602=[o, n]
   Exit: (216) [system] [o, n]=[o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (215) [system] _1241306=[i, o, n]
   Exit: (215) [system] [i, o, n]=[i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (214) [system] _1232010=[t, i, o, n]
   Exit: (214) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (213) [system] _1222714=[a, t, i, o, n]
   Exit: (213) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (212) [system] _1213418=[c, a, t, i, o, n]
   Exit: (212) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (211) [system] _1204122=[i, c, a, t, i, o, n]
   Exit: (211) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (210) [system] _1194826=[l, i, c, a, t, i, o, n]
   Exit: (210) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (209) [system] _1185530=[p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (208) [system] _1176234=[m, p, l, i, c, a, t, i, o, n]
   Exit: (208) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1155690)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1307378, _1307380), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1155690), _1307354, fail)), '$restore_trace'(_1307378, _1307380))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1307378, _1307380))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1155690), _1307354, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1155690)
   Call: (208) [system] atom_chars(_1155690, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (208) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1315830)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1317688)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1324498)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1327202)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1336594)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1340308)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1342166)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1350634)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1340308)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1356204)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=(;)
^  Call: (209) [user] is_like_space('A')
   Call: (210) [system] char_type('A', 'white')
   Call: (210) [system] char_type('A', end_of_line)
   Call: (210) [system] char_type('A', space)
   Call: (210) [system] char_type('A', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1364672)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (208) [system] 'A'=')'
   Call: (208) [system] 'A'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1368386)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1370244)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1378712)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'='('
   Call: (209) [system] 'A'='['
   Call: (209) [system] 'A'='{'
   Call: (209) [system] 'A'='"'
   Call: (209) [system] 'A'=!
   Call: (209) [system] 'A'='\''
   Call: (209) [system] 'A'='`'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1368386)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1388930)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1389864)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_1393656, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1398226)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1399160)
   Exit: (212) [system] peek_char((0x56051b6b4f40), d)
^  Call: (212) [user] is_delimiter(d)
   Call: (213) [system] char_type(d, space)
   Call: (213) [system] arg(_1402952, v('(', ')', end_of_file), d)
   Call: (212) [system] ')'==d
   Call: (212) [system] get_char((0x56051b6b4f40), d)
   Exit: (212) [system] get_char((0x56051b6b4f40), d)
   Call: (212) [system] d=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1407522)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1408456)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1412248, v('(', ')', end_of_file), 'L')
   Call: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (213) [system] get_char((0x56051b6b4f40), 'L')
   Call: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1416818)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1417752)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1421544, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1426114)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1427048)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1430840, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1435410)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1436344)
   Exit: (216) [system] peek_char((0x56051b6b4f40), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1440136, v('(', ')', end_of_file), k)
   Call: (216) [system] ')'==k
   Call: (216) [system] get_char((0x56051b6b4f40), k)
   Exit: (216) [system] get_char((0x56051b6b4f40), k)
   Call: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1444706)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1445640)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1444706=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1435410=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (215) [system] _1426114=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (214) [system] _1416818=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (213) [system] _1407522=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (212) [system] _1398226=[d, 'L', i, n, k]
   Exit: (212) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (211) [system] _1388930=[n, d, 'L', i, n, k]
   Exit: (211) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1368386)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1471714, _1471716), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1368386), _1471690, fail)), '$restore_trace'(_1471714, _1471716))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1471714, _1471716))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1368386), _1471690, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1368386)
   Call: (211) [system] atom_chars(_1368386, ['A', n, d, 'L', i, n, k])
   Exit: (211) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1480166)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1482024)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1488834)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1491538)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1500930)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1504644)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1506502)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1514970)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1504644)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1525188)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1526122)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1525188=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq('A', [], _1504644)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1535432, _1535434), once(user:catch(read_from_chars(['A'], _1504644), _1535408, fail)), '$restore_trace'(_1535432, _1535434))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1535432, _1535434))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1504644), _1535408, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1504644)
   Call: (212) [system] atom_chars(_1504644, ['A'])
   Exit: (212) [system] atom_chars('A', ['A'])
^  Exit: (211) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1543884)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1545742)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1552552)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1555256)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1564648)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1568362)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1570220)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1578688)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'B')
   Call: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1568362)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1588906)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1589840)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1593632, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1588906=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq('B', [], _1568362)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1600094, _1600096), once(user:catch(read_from_chars(['B'], _1568362), _1600070, fail)), '$restore_trace'(_1600094, _1600096))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1600094, _1600096))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1568362), _1600070, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1568362)
   Call: (213) [system] atom_chars(_1568362, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1608546)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1610404)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1618872)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _1622662)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _1608546=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1543884=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (209) [system] _1480166=['A', 'B']
   Exit: (209) [system] ['A', 'B']=['A', 'B']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (208) [system] _1340308=['AndLink', 'A', 'B']
   Exit: (208) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1636544)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1638402)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1645212)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1647916)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1657308)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (207) [system] 'C'=')'
   Call: (207) [system] 'C'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1661022)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1662880)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'=(;)
^  Call: (209) [user] is_like_space('C')
   Call: (210) [system] char_type('C', 'white')
   Call: (210) [system] char_type('C', end_of_line)
   Call: (210) [system] char_type('C', space)
   Call: (210) [system] char_type('C', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1671348)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'='('
   Call: (208) [system] 'C'='['
   Call: (208) [system] 'C'='{'
   Call: (208) [system] 'C'='"'
   Call: (208) [system] 'C'=!
   Call: (208) [system] 'C'='\''
   Call: (208) [system] 'C'='`'
   Call: (208) [system] 'C'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1661022)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1681566)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1682500)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (210) [user] is_delimiter(')')
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] arg(_1686292, v('(', ')', end_of_file), ')')
   Exit: (211) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (210) [user] is_delimiter(')')
   Call: (210) [system] _1681566=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq('C', [], _1661022)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1692754, _1692756), once(user:catch(read_from_chars(['C'], _1661022), _1692730, fail)), '$restore_trace'(_1692754, _1692756))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1692754, _1692756))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1661022), _1692730, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1661022)
   Call: (210) [system] atom_chars(_1661022, ['C'])
   Exit: (210) [system] atom_chars('C', ['C'])
^  Exit: (209) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1701206)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1703064)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1711532)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _1715322)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _1701206=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _1636544=['C']
   Exit: (207) [system] ['C']=['C']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (206) [system] _1315830=[['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (205) [system] _1127612=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (205) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1729204)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1731062)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1737872)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1740576)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1749968)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (204) [system] 'A'=')'
   Call: (204) [system] 'A'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1753682)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1755540)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (206) [system] 'A'=(;)
^  Call: (206) [user] is_like_space('A')
   Call: (207) [system] char_type('A', 'white')
   Call: (207) [system] char_type('A', end_of_line)
   Call: (207) [system] char_type('A', space)
   Call: (207) [system] char_type('A', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1764008)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'A')
   Call: (205) [system] 'A'='('
   Call: (205) [system] 'A'='['
   Call: (205) [system] 'A'='{'
   Call: (205) [system] 'A'='"'
   Call: (205) [system] 'A'=!
   Call: (205) [system] 'A'='\''
   Call: (205) [system] 'A'='`'
   Call: (205) [system] 'A'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1753682)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1774226)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1775160)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (207) [user] is_delimiter(')')
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] arg(_1778952, v('(', ')', end_of_file), ')')
   Exit: (208) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (207) [user] is_delimiter(')')
   Call: (207) [system] _1774226=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (206) [user] classify_and_convert_charseq('A', [], _1753682)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1785414, _1785416), once(user:catch(read_from_chars(['A'], _1753682), _1785390, fail)), '$restore_trace'(_1785414, _1785416))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1785414, _1785416))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1753682), _1785390, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_1753682)
   Call: (207) [system] atom_chars(_1753682, ['A'])
   Exit: (207) [system] atom_chars('A', ['A'])
^  Exit: (206) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1793866)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1795724)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1804192)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _1807982)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _1793866=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _1729204=['A']
   Exit: (204) [system] ['A']=['A']
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (203) [system] _1103134=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (203) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (202) [system] _975366=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (202) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1821864)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1823722)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=(;)
^  Call: (202) [user] is_like_space(')')
   Call: (203) [system] char_type(')', 'white')
   Call: (203) [system] char_type(')', end_of_line)
   Call: (203) [system] char_type(')', space)
   Call: (203) [system] char_type(')', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1832190)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ')')
   Call: (201) [system] ')'=')'
   Exit: (201) [system] ')'=')'
   Call: (201) [system] get_char((0x56051b6b4f40), _1835980)
   Exit: (201) [system] get_char((0x56051b6b4f40), ')')
   Call: (201) [system] _1821864=[]
   Exit: (201) [system] []=[]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (200) [system] _950888=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (200) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (199) [system] _414458=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (199) [system] [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (198) [system] _348092=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (198) [system] [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (197) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (196) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, a], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (196) [user] read_list(')', (0x56051b6b4f40), _1849862)
^  Call: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1851720)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (198) [system] '\n'=(;)
^  Call: (198) [user] is_like_space('\n')
   Call: (199) [system] char_type('\n', 'white')
   Call: (199) [system] char_type('\n', end_of_line)
   Exit: (199) [system] char_type('\n', end_of_line)
^  Exit: (198) [user] is_like_space('\n')
   Call: (198) [system] get_char((0x56051b6b4f40), _1859336)
   Exit: (198) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1862040)
   Exit: (199) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (199) [system] ' '=(;)
^  Call: (199) [user] is_like_space(' ')
   Call: (200) [system] char_type(' ', 'white')
   Exit: (200) [system] char_type(' ', 'white')
^  Exit: (199) [user] is_like_space(' ')
   Call: (199) [system] get_char((0x56051b6b4f40), _1868850)
   Exit: (199) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1871554)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (197) [user] skip_spaces((0x56051b6b4f40))
   Call: (197) [system] peek_char((0x56051b6b4f40), _1881870)
   Exit: (197) [system] peek_char((0x56051b6b4f40), '(')
   Call: (197) [system] '('=')'
   Call: (197) [system] '('=end_of_file
^  Call: (197) [user] cont_sexpr(')', (0x56051b6b4f40), _1885584)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1887442)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=(;)
^  Call: (199) [user] is_like_space('(')
   Call: (200) [system] char_type('(', 'white')
   Call: (200) [system] char_type('(', end_of_line)
   Call: (200) [system] char_type('(', space)
   Call: (200) [system] char_type('(', cntrl)
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] get_char((0x56051b6b4f40), _1895910)
   Exit: (198) [system] get_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('='('
   Exit: (198) [system] '('='('
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1885584)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1901480)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=(;)
^  Call: (200) [user] is_like_space(:)
   Call: (201) [system] char_type(:, 'white')
   Call: (201) [system] char_type(:, end_of_line)
   Call: (201) [system] char_type(:, space)
   Call: (201) [system] char_type(:, cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1909948)
   Exit: (199) [system] peek_char((0x56051b6b4f40), :)
   Call: (199) [system] (:)=')'
   Call: (199) [system] (:)=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1913662)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1915520)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1923988)
   Exit: (200) [system] get_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)='('
   Call: (200) [system] (:)='['
   Call: (200) [system] (:)='{'
   Call: (200) [system] (:)='"'
   Call: (200) [system] (:)=!
   Call: (200) [system] (:)='\''
   Call: (200) [system] (:)='`'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, _1913662)
^  Call: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1934206)
   Call: (202) [system] peek_char((0x56051b6b4f40), _1935140)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] is_delimiter(' ')
   Call: (203) [system] char_type(' ', space)
   Exit: (203) [system] char_type(' ', space)
^  Exit: (202) [user] is_delimiter(' ')
   Call: (202) [system] _1934206=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (201) [user] classify_and_convert_charseq(:, [], _1913662)
^  Call: (203) [system] setup_call_cleanup('$notrace'(_1944450, _1944452), once(user:catch(read_from_chars([:], _1913662), _1944426, fail)), '$restore_trace'(_1944450, _1944452))
^  Call: (204) [system] sig_atomic(system:'$notrace'(_1944450, _1944452))
^  Exit: (203) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1944426, fail)), system:'$restore_trace'(3, -1))
   Call: (202) [system] atomic(:)
   Exit: (202) [system] atomic(:)
^  Exit: (201) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (200) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1951950)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1953808)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1960618)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1963322)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1972714)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1976428)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1978286)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1986754)
   Exit: (201) [system] get_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1976428)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1992324)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (203) [system] 'D'=(;)
^  Call: (203) [user] is_like_space('D')
   Call: (204) [system] char_type('D', 'white')
   Call: (204) [system] char_type('D', end_of_line)
   Call: (204) [system] char_type('D', space)
   Call: (204) [system] char_type('D', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _2000792)
   Exit: (202) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (202) [system] 'D'=')'
   Call: (202) [system] 'D'=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _2004506)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _2006364)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (204) [system] 'D'=(;)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _2014832)
   Exit: (203) [system] get_char((0x56051b6b4f40), 'D')
   Call: (203) [system] 'D'='('
   Call: (203) [system] 'D'='['
   Call: (203) [system] 'D'='{'
   Call: (203) [system] 'D'='"'
   Call: (203) [system] 'D'=!
   Call: (203) [system] 'D'='\''
   Call: (203) [system] 'D'='`'
   Call: (203) [system] 'D'=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _2004506)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2025050)
   Call: (205) [system] peek_char((0x56051b6b4f40), _2025984)
   Exit: (205) [system] peek_char((0x56051b6b4f40), i)
^  Call: (205) [user] is_delimiter(i)
   Call: (206) [system] char_type(i, space)
   Call: (206) [system] arg(_2029776, v('(', ')', end_of_file), i)
   Call: (205) [system] ')'==i
   Call: (205) [system] get_char((0x56051b6b4f40), i)
   Exit: (205) [system] get_char((0x56051b6b4f40), i)
   Call: (205) [system] i=(\)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2034346)
   Call: (206) [system] peek_char((0x56051b6b4f40), _2035280)
   Exit: (206) [system] peek_char((0x56051b6b4f40), s)
^  Call: (206) [user] is_delimiter(s)
   Call: (207) [system] char_type(s, space)
   Call: (207) [system] arg(_2039072, v('(', ')', end_of_file), s)
   Call: (206) [system] ')'==s
   Call: (206) [system] get_char((0x56051b6b4f40), s)
   Exit: (206) [system] get_char((0x56051b6b4f40), s)
   Call: (206) [system] s=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2043642)
   Call: (207) [system] peek_char((0x56051b6b4f40), _2044576)
   Exit: (207) [system] peek_char((0x56051b6b4f40), j)
^  Call: (207) [user] is_delimiter(j)
   Call: (208) [system] char_type(j, space)
   Call: (208) [system] arg(_2048368, v('(', ')', end_of_file), j)
   Call: (207) [system] ')'==j
   Call: (207) [system] get_char((0x56051b6b4f40), j)
   Exit: (207) [system] get_char((0x56051b6b4f40), j)
   Call: (207) [system] j=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2052938)
   Call: (208) [system] peek_char((0x56051b6b4f40), _2053872)
   Exit: (208) [system] peek_char((0x56051b6b4f40), u)
^  Call: (208) [user] is_delimiter(u)
   Call: (209) [system] char_type(u, space)
   Call: (209) [system] arg(_2057664, v('(', ')', end_of_file), u)
   Call: (208) [system] ')'==u
   Call: (208) [system] get_char((0x56051b6b4f40), u)
   Exit: (208) [system] get_char((0x56051b6b4f40), u)
   Call: (208) [system] u=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2062234)
   Call: (209) [system] peek_char((0x56051b6b4f40), _2063168)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_2066960, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2071530)
   Call: (210) [system] peek_char((0x56051b6b4f40), _2072464)
   Exit: (210) [system] peek_char((0x56051b6b4f40), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_2076256, v('(', ')', end_of_file), c)
   Call: (210) [system] ')'==c
   Call: (210) [system] get_char((0x56051b6b4f40), c)
   Exit: (210) [system] get_char((0x56051b6b4f40), c)
   Call: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2080826)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2081760)
   Exit: (211) [system] peek_char((0x56051b6b4f40), t)
^  Call: (211) [user] is_delimiter(t)
   Call: (212) [system] char_type(t, space)
   Call: (212) [system] arg(_2085552, v('(', ')', end_of_file), t)
   Call: (211) [system] ')'==t
   Call: (211) [system] get_char((0x56051b6b4f40), t)
   Exit: (211) [system] get_char((0x56051b6b4f40), t)
   Call: (211) [system] t=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2090122)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2091056)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_2094848, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _6746)
   Call: (213) [system] peek_char((0x56051b6b4f40), _7680)
   Exit: (213) [system] peek_char((0x56051b6b4f40), o)
^  Call: (213) [user] is_delimiter(o)
   Call: (214) [system] char_type(o, space)
   Call: (214) [system] arg(_11472, v('(', ')', end_of_file), o)
   Call: (213) [system] ')'==o
   Call: (213) [system] get_char((0x56051b6b4f40), o)
   Exit: (213) [system] get_char((0x56051b6b4f40), o)
   Call: (213) [system] o=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _16042)
   Call: (214) [system] peek_char((0x56051b6b4f40), _16976)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_20768, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _25338)
   Call: (215) [system] peek_char((0x56051b6b4f40), _26272)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (215) [user] is_delimiter('I')
   Call: (216) [system] char_type('I', space)
   Call: (216) [system] arg(_30064, v('(', ')', end_of_file), 'I')
   Call: (215) [system] ')'=='I'
   Call: (215) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (215) [system] get_char((0x56051b6b4f40), 'I')
   Call: (215) [system] 'I'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _34634)
   Call: (216) [system] peek_char((0x56051b6b4f40), _35568)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_39360, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _43930)
   Call: (217) [system] peek_char((0x56051b6b4f40), _44864)
   Exit: (217) [system] peek_char((0x56051b6b4f40), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_48656, v('(', ')', end_of_file), t)
   Call: (217) [system] ')'==t
   Call: (217) [system] get_char((0x56051b6b4f40), t)
   Exit: (217) [system] get_char((0x56051b6b4f40), t)
   Call: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _53226)
   Call: (218) [system] peek_char((0x56051b6b4f40), _54160)
   Exit: (218) [system] peek_char((0x56051b6b4f40), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_57952, v('(', ')', end_of_file), r)
   Call: (218) [system] ')'==r
   Call: (218) [system] get_char((0x56051b6b4f40), r)
   Exit: (218) [system] get_char((0x56051b6b4f40), r)
   Call: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _62522)
   Call: (219) [system] peek_char((0x56051b6b4f40), _63456)
   Exit: (219) [system] peek_char((0x56051b6b4f40), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_67248, v('(', ')', end_of_file), o)
   Call: (219) [system] ')'==o
   Call: (219) [system] get_char((0x56051b6b4f40), o)
   Exit: (219) [system] get_char((0x56051b6b4f40), o)
   Call: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _71818)
   Call: (220) [system] peek_char((0x56051b6b4f40), _72752)
   Exit: (220) [system] peek_char((0x56051b6b4f40), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_76544, v('(', ')', end_of_file), d)
   Call: (220) [system] ')'==d
   Call: (220) [system] get_char((0x56051b6b4f40), d)
   Exit: (220) [system] get_char((0x56051b6b4f40), d)
   Call: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _81114)
   Call: (221) [system] peek_char((0x56051b6b4f40), _82048)
   Exit: (221) [system] peek_char((0x56051b6b4f40), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_85840, v('(', ')', end_of_file), u)
   Call: (221) [system] ')'==u
   Call: (221) [system] get_char((0x56051b6b4f40), u)
   Exit: (221) [system] get_char((0x56051b6b4f40), u)
   Call: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _90410)
   Call: (222) [system] peek_char((0x56051b6b4f40), _91344)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_95136, v('(', ')', end_of_file), c)
   Call: (222) [system] ')'==c
   Call: (222) [system] get_char((0x56051b6b4f40), c)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _99706)
   Call: (223) [system] peek_char((0x56051b6b4f40), _100640)
   Exit: (223) [system] peek_char((0x56051b6b4f40), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_104432, v('(', ')', end_of_file), t)
   Call: (223) [system] ')'==t
   Call: (223) [system] get_char((0x56051b6b4f40), t)
   Exit: (223) [system] get_char((0x56051b6b4f40), t)
   Call: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _109002)
   Call: (224) [system] peek_char((0x56051b6b4f40), _109936)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_113728, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _118298)
   Call: (225) [system] peek_char((0x56051b6b4f40), _119232)
   Exit: (225) [system] peek_char((0x56051b6b4f40), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_123024, v('(', ')', end_of_file), o)
   Call: (225) [system] ')'==o
   Call: (225) [system] get_char((0x56051b6b4f40), o)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _127594)
   Call: (226) [system] peek_char((0x56051b6b4f40), _128528)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_132320, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _136890)
   Call: (227) [system] peek_char((0x56051b6b4f40), _137824)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _136890=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _127594=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (225) [system] _118298=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (224) [system] _109002=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (223) [system] _99706=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (222) [system] _90410=[c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (221) [system] _81114=[u, c, t, i, o, n]
   Exit: (221) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (220) [system] _71818=[d, u, c, t, i, o, n]
   Exit: (220) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (219) [system] _62522=[o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (218) [system] _53226=[r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _43930=[t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _34634=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _25338=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _16042=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _6746=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4138=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4134=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4130=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _4126=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _4122=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _4118=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _4114=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (205) [system] _4110=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (205) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (204) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4106)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_208602, _208604), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4106), _208578, fail)), '$restore_trace'(_208602, _208604))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_208602, _208604))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4106), _208578, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(_4106)
   Call: (205) [system] atom_chars(_4106, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (205) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (204) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _217054)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _218912)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _225722)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _228426)
   Exit: (205) [system] peek_char((0x56051b6b4f40), a)
   Call: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _237818)
   Exit: (203) [system] peek_char((0x56051b6b4f40), a)
   Call: (203) [system] a=')'
   Call: (203) [system] a=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _241532)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _243390)
   Exit: (205) [system] peek_char((0x56051b6b4f40), a)
   Call: (205) [system] a=(;)
^  Call: (205) [user] is_like_space(a)
   Call: (206) [system] char_type(a, 'white')
   Call: (206) [system] char_type(a, end_of_line)
   Call: (206) [system] char_type(a, space)
   Call: (206) [system] char_type(a, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _251858)
   Exit: (204) [system] get_char((0x56051b6b4f40), a)
   Call: (204) [system] a='('
   Call: (204) [system] a='['
   Call: (204) [system] a='{'
   Call: (204) [system] a='"'
   Call: (204) [system] a=!
   Call: (204) [system] a='\''
   Call: (204) [system] a='`'
   Call: (204) [system] a=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), a, _241532)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _262076)
   Call: (206) [system] peek_char((0x56051b6b4f40), _263010)
   Exit: (206) [system] peek_char((0x56051b6b4f40), b)
^  Call: (206) [user] is_delimiter(b)
   Call: (207) [system] char_type(b, space)
   Call: (207) [system] arg(_266802, v('(', ')', end_of_file), b)
   Call: (206) [system] ')'==b
   Call: (206) [system] get_char((0x56051b6b4f40), b)
   Exit: (206) [system] get_char((0x56051b6b4f40), b)
   Call: (206) [system] b=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _271372)
   Call: (207) [system] peek_char((0x56051b6b4f40), _272306)
   Exit: (207) [system] peek_char((0x56051b6b4f40), c)
^  Call: (207) [user] is_delimiter(c)
   Call: (208) [system] char_type(c, space)
   Call: (208) [system] arg(_276098, v('(', ')', end_of_file), c)
   Call: (207) [system] ')'==c
   Call: (207) [system] get_char((0x56051b6b4f40), c)
   Exit: (207) [system] get_char((0x56051b6b4f40), c)
   Call: (207) [system] c=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _280668)
   Call: (208) [system] peek_char((0x56051b6b4f40), _281602)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _280668=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (207) [system] _271372=[c]
   Exit: (207) [system] [c]=[c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (206) [system] _262076=[b, c]
   Exit: (206) [system] [b, c]=[b, c]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (205) [user] classify_and_convert_charseq(a, [b, c], _241532)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_296500, _296502), once(user:catch(read_from_chars([a, b, c], _241532), _296476, fail)), '$restore_trace'(_296500, _296502))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_296500, _296502))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _296476, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(abc)
   Exit: (206) [system] atomic(abc)
^  Exit: (205) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _304000)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _305858)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _312668)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _315372)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _324764)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _328478)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _330336)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _338804)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _328478)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _344374)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (207) [system] 'D'=(;)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _352842)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (206) [system] 'D'=')'
   Call: (206) [system] 'D'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _356556)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _358414)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (208) [system] 'D'=(;)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _366882)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'D')
   Call: (207) [system] 'D'='('
   Call: (207) [system] 'D'='['
   Call: (207) [system] 'D'='{'
   Call: (207) [system] 'D'='"'
   Call: (207) [system] 'D'=!
   Call: (207) [system] 'D'='\''
   Call: (207) [system] 'D'='`'
   Call: (207) [system] 'D'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _356556)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _377100)
   Call: (209) [system] peek_char((0x56051b6b4f40), _378034)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_381826, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _386396)
   Call: (210) [system] peek_char((0x56051b6b4f40), _387330)
   Exit: (210) [system] peek_char((0x56051b6b4f40), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_391122, v('(', ')', end_of_file), s)
   Call: (210) [system] ')'==s
   Call: (210) [system] get_char((0x56051b6b4f40), s)
   Exit: (210) [system] get_char((0x56051b6b4f40), s)
   Call: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _395692)
   Call: (211) [system] peek_char((0x56051b6b4f40), _396626)
   Exit: (211) [system] peek_char((0x56051b6b4f40), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_400418, v('(', ')', end_of_file), j)
   Call: (211) [system] ')'==j
   Call: (211) [system] get_char((0x56051b6b4f40), j)
   Exit: (211) [system] get_char((0x56051b6b4f40), j)
   Call: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _404988)
   Call: (212) [system] peek_char((0x56051b6b4f40), _405922)
   Exit: (212) [system] peek_char((0x56051b6b4f40), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_409714, v('(', ')', end_of_file), u)
   Call: (212) [system] ')'==u
   Call: (212) [system] get_char((0x56051b6b4f40), u)
   Exit: (212) [system] get_char((0x56051b6b4f40), u)
   Call: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _414284)
   Call: (213) [system] peek_char((0x56051b6b4f40), _415218)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_419010, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _423580)
   Call: (214) [system] peek_char((0x56051b6b4f40), _424514)
   Exit: (214) [system] peek_char((0x56051b6b4f40), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_428306, v('(', ')', end_of_file), c)
   Call: (214) [system] ')'==c
   Call: (214) [system] get_char((0x56051b6b4f40), c)
   Exit: (214) [system] get_char((0x56051b6b4f40), c)
   Call: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _432876)
   Call: (215) [system] peek_char((0x56051b6b4f40), _433810)
   Exit: (215) [system] peek_char((0x56051b6b4f40), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_437602, v('(', ')', end_of_file), t)
   Call: (215) [system] ')'==t
   Call: (215) [system] get_char((0x56051b6b4f40), t)
   Exit: (215) [system] get_char((0x56051b6b4f40), t)
   Call: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _442172)
   Call: (216) [system] peek_char((0x56051b6b4f40), _443106)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_446898, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _451468)
   Call: (217) [system] peek_char((0x56051b6b4f40), _452402)
   Exit: (217) [system] peek_char((0x56051b6b4f40), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_456194, v('(', ')', end_of_file), o)
   Call: (217) [system] ')'==o
   Call: (217) [system] get_char((0x56051b6b4f40), o)
   Exit: (217) [system] get_char((0x56051b6b4f40), o)
   Call: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _460764)
   Call: (218) [system] peek_char((0x56051b6b4f40), _461698)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_465490, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _470060)
   Call: (219) [system] peek_char((0x56051b6b4f40), _470994)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_474786, v('(', ')', end_of_file), 'I')
   Call: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _479356)
   Call: (220) [system] peek_char((0x56051b6b4f40), _480290)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_484082, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _488652)
   Call: (221) [system] peek_char((0x56051b6b4f40), _489586)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_493378, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _497948)
   Call: (222) [system] peek_char((0x56051b6b4f40), _498882)
   Exit: (222) [system] peek_char((0x56051b6b4f40), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_502674, v('(', ')', end_of_file), r)
   Call: (222) [system] ')'==r
   Call: (222) [system] get_char((0x56051b6b4f40), r)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _507244)
   Call: (223) [system] peek_char((0x56051b6b4f40), _508178)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_511970, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _516540)
   Call: (224) [system] peek_char((0x56051b6b4f40), _517474)
   Exit: (224) [system] peek_char((0x56051b6b4f40), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_521266, v('(', ')', end_of_file), d)
   Call: (224) [system] ')'==d
   Call: (224) [system] get_char((0x56051b6b4f40), d)
   Exit: (224) [system] get_char((0x56051b6b4f40), d)
   Call: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _525836)
   Call: (225) [system] peek_char((0x56051b6b4f40), _526770)
   Exit: (225) [system] peek_char((0x56051b6b4f40), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_530562, v('(', ')', end_of_file), u)
   Call: (225) [system] ')'==u
   Call: (225) [system] get_char((0x56051b6b4f40), u)
   Exit: (225) [system] get_char((0x56051b6b4f40), u)
   Call: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _535132)
   Call: (226) [system] peek_char((0x56051b6b4f40), _536066)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_539858, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _544428)
   Call: (227) [system] peek_char((0x56051b6b4f40), _545362)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_549154, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _553724)
   Call: (228) [system] peek_char((0x56051b6b4f40), _554658)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_558450, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _563020)
   Call: (229) [system] peek_char((0x56051b6b4f40), _563954)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_567746, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _572316)
   Call: (230) [system] peek_char((0x56051b6b4f40), _573250)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_577042, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _581612)
   Call: (231) [system] peek_char((0x56051b6b4f40), _582546)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _581612=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _572316=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (229) [system] _563020=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (228) [system] _553724=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (227) [system] _544428=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (226) [system] _535132=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (225) [system] _525836=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (224) [system] _516540=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (223) [system] _507244=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _497948=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _488652=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _479356=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _470060=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _460764=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _451468=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _442172=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _432876=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _423580=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _414284=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _404988=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _395692=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _386396=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _377100=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _356556)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_653324, _653326), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _356556), _653300, fail)), '$restore_trace'(_653324, _653326))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_653324, _653326))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _356556), _653300, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_356556)
   Call: (209) [system] atom_chars(_356556, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _661776)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _663634)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _670444)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _673148)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _682540)
   Exit: (207) [system] peek_char((0x56051b6b4f40), a)
   Call: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _686254)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _688112)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _696580)
   Exit: (208) [system] get_char((0x56051b6b4f40), a)
   Call: (208) [system] a='('
   Call: (208) [system] a='['
   Call: (208) [system] a='{'
   Call: (208) [system] a='"'
   Call: (208) [system] a=!
   Call: (208) [system] a='\''
   Call: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), a, _686254)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _706798)
   Call: (210) [system] peek_char((0x56051b6b4f40), _707732)
   Exit: (210) [system] peek_char((0x56051b6b4f40), b)
^  Call: (210) [user] is_delimiter(b)
   Call: (211) [system] char_type(b, space)
   Call: (211) [system] arg(_711524, v('(', ')', end_of_file), b)
   Call: (210) [system] ')'==b
   Call: (210) [system] get_char((0x56051b6b4f40), b)
   Exit: (210) [system] get_char((0x56051b6b4f40), b)
   Call: (210) [system] b=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _716094)
   Call: (211) [system] peek_char((0x56051b6b4f40), _717028)
   Exit: (211) [system] peek_char((0x56051b6b4f40), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_720820, v('(', ')', end_of_file), c)
   Call: (211) [system] ')'==c
   Call: (211) [system] get_char((0x56051b6b4f40), c)
   Exit: (211) [system] get_char((0x56051b6b4f40), c)
   Call: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _725390)
   Call: (212) [system] peek_char((0x56051b6b4f40), _726324)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _725390=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _716094=[c]
   Exit: (211) [system] [c]=[c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (210) [system] _706798=[b, c]
   Exit: (210) [system] [b, c]=[b, c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (209) [user] classify_and_convert_charseq(a, [b, c], _686254)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_741222, _741224), once(user:catch(read_from_chars([a, b, c], _686254), _741198, fail)), '$restore_trace'(_741222, _741224))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_741222, _741224))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _741198, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(abc)
   Exit: (210) [system] atomic(abc)
^  Exit: (209) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _748722)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _750580)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _757390)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _760094)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _769486)
   Exit: (208) [system] peek_char((0x56051b6b4f40), a)
   Call: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _773200)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _775058)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _783526)
   Exit: (209) [system] get_char((0x56051b6b4f40), a)
   Call: (209) [system] a='('
   Call: (209) [system] a='['
   Call: (209) [system] a='{'
   Call: (209) [system] a='"'
   Call: (209) [system] a=!
   Call: (209) [system] a='\''
   Call: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), a, _773200)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _793744)
   Call: (211) [system] peek_char((0x56051b6b4f40), _794678)
   Exit: (211) [system] peek_char((0x56051b6b4f40), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_798470, v('(', ')', end_of_file), b)
   Call: (211) [system] ')'==b
   Call: (211) [system] get_char((0x56051b6b4f40), b)
   Exit: (211) [system] get_char((0x56051b6b4f40), b)
   Call: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _803040)
   Call: (212) [system] peek_char((0x56051b6b4f40), _803974)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_807766, v('(', ')', end_of_file), c)
   Call: (212) [system] ')'==c
   Call: (212) [system] get_char((0x56051b6b4f40), c)
   Exit: (212) [system] get_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _812336)
   Call: (213) [system] peek_char((0x56051b6b4f40), _813270)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_817062, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _812336=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _803040=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (211) [system] _793744=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (210) [user] classify_and_convert_charseq(a, [b, c], _773200)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_829112, _829114), once(user:catch(read_from_chars([a, b, c], _773200), _829088, fail)), '$restore_trace'(_829112, _829114))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_829112, _829114))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _829088, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _836612)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _838470)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _846938)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _850728)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _836612=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _748722=[abc]
   Exit: (208) [system] [abc]=[abc]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (207) [system] _661776=[abc, abc]
   Exit: (207) [system] [abc, abc]=[abc, abc]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [abc, abc])
   Call: (206) [system] _328478=['DisjunctionIntroduction', abc, abc]
   Exit: (206) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, abc])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, abc])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _864610)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _866468)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _874936)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _878726)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _864610=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _304000=[['DisjunctionIntroduction', abc, abc]]
   Exit: (204) [system] [['DisjunctionIntroduction', abc, abc]]=[['DisjunctionIntroduction', abc, abc]]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, abc]])
   Call: (203) [system] _217054=[abc, ['DisjunctionIntroduction', abc, abc]]
   Exit: (203) [system] [abc, ['DisjunctionIntroduction', abc, abc]]=[abc, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', abc, abc]])
   Call: (202) [system] _4100=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]
   Exit: (202) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]])
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]])
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _892608)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _894466)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _901276)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _903980)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _913372)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _917086)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _918944)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _927412)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _917086)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _932982)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (204) [system] 'O'=(;)
^  Call: (204) [user] is_like_space('O')
   Call: (205) [system] char_type('O', 'white')
   Call: (205) [system] char_type('O', end_of_line)
   Call: (205) [system] char_type('O', space)
   Call: (205) [system] char_type('O', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _941450)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (203) [system] 'O'=')'
   Call: (203) [system] 'O'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _945164)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _947022)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (205) [system] 'O'=(;)
^  Call: (205) [user] is_like_space('O')
   Call: (206) [system] char_type('O', 'white')
   Call: (206) [system] char_type('O', end_of_line)
   Call: (206) [system] char_type('O', space)
   Call: (206) [system] char_type('O', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _955490)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'O')
   Call: (204) [system] 'O'='('
   Call: (204) [system] 'O'='['
   Call: (204) [system] 'O'='{'
   Call: (204) [system] 'O'='"'
   Call: (204) [system] 'O'=!
   Call: (204) [system] 'O'='\''
   Call: (204) [system] 'O'='`'
   Call: (204) [system] 'O'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _945164)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _965708)
   Call: (206) [system] peek_char((0x56051b6b4f40), _966642)
   Exit: (206) [system] peek_char((0x56051b6b4f40), r)
^  Call: (206) [user] is_delimiter(r)
   Call: (207) [system] char_type(r, space)
   Call: (207) [system] arg(_970434, v('(', ')', end_of_file), r)
   Call: (206) [system] ')'==r
   Call: (206) [system] get_char((0x56051b6b4f40), r)
   Exit: (206) [system] get_char((0x56051b6b4f40), r)
   Call: (206) [system] r=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _975004)
   Call: (207) [system] peek_char((0x56051b6b4f40), _975938)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (207) [user] is_delimiter('L')
   Call: (208) [system] char_type('L', space)
   Call: (208) [system] arg(_979730, v('(', ')', end_of_file), 'L')
   Call: (207) [system] ')'=='L'
   Call: (207) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (207) [system] get_char((0x56051b6b4f40), 'L')
   Call: (207) [system] 'L'=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _984300)
   Call: (208) [system] peek_char((0x56051b6b4f40), _985234)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_989026, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _993596)
   Call: (209) [system] peek_char((0x56051b6b4f40), _994530)
   Exit: (209) [system] peek_char((0x56051b6b4f40), n)
^  Call: (209) [user] is_delimiter(n)
   Call: (210) [system] char_type(n, space)
   Call: (210) [system] arg(_998322, v('(', ')', end_of_file), n)
   Call: (209) [system] ')'==n
   Call: (209) [system] get_char((0x56051b6b4f40), n)
   Exit: (209) [system] get_char((0x56051b6b4f40), n)
   Call: (209) [system] n=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1002892)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1003826)
   Exit: (210) [system] peek_char((0x56051b6b4f40), k)
^  Call: (210) [user] is_delimiter(k)
   Call: (211) [system] char_type(k, space)
   Call: (211) [system] arg(_1007618, v('(', ')', end_of_file), k)
   Call: (210) [system] ')'==k
   Call: (210) [system] get_char((0x56051b6b4f40), k)
   Exit: (210) [system] get_char((0x56051b6b4f40), k)
   Call: (210) [system] k=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1012188)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1013122)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1012188=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1002892=[k]
   Exit: (210) [system] [k]=[k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (209) [system] _993596=[n, k]
   Exit: (209) [system] [n, k]=[n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (208) [system] _984300=[i, n, k]
   Exit: (208) [system] [i, n, k]=[i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (207) [system] _975004=['L', i, n, k]
   Exit: (207) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (206) [system] _965708=[r, 'L', i, n, k]
   Exit: (206) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (205) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _945164)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1036402, _1036404), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _945164), _1036378, fail)), '$restore_trace'(_1036402, _1036404))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1036402, _1036404))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _945164), _1036378, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_945164)
   Call: (206) [system] atom_chars(_945164, ['O', r, 'L', i, n, k])
   Exit: (206) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (205) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1044854)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1046712)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1053522)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1056226)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1065618)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1069332)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1071190)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1079658)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1069332)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1085228)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (207) [system] 'I'=(;)
^  Call: (207) [user] is_like_space('I')
   Call: (208) [system] char_type('I', 'white')
   Call: (208) [system] char_type('I', end_of_line)
   Call: (208) [system] char_type('I', space)
   Call: (208) [system] char_type('I', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1093696)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (206) [system] 'I'=')'
   Call: (206) [system] 'I'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1097410)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1099268)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'=(;)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1107736)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'I')
   Call: (207) [system] 'I'='('
   Call: (207) [system] 'I'='['
   Call: (207) [system] 'I'='{'
   Call: (207) [system] 'I'='"'
   Call: (207) [system] 'I'=!
   Call: (207) [system] 'I'='\''
   Call: (207) [system] 'I'='`'
   Call: (207) [system] 'I'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1097410)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1117954)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1118888)
   Exit: (209) [system] peek_char((0x56051b6b4f40), m)
^  Call: (209) [user] is_delimiter(m)
   Call: (210) [system] char_type(m, space)
   Call: (210) [system] arg(_1122680, v('(', ')', end_of_file), m)
   Call: (209) [system] ')'==m
   Call: (209) [system] get_char((0x56051b6b4f40), m)
   Exit: (209) [system] get_char((0x56051b6b4f40), m)
   Call: (209) [system] m=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1127250)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1128184)
   Exit: (210) [system] peek_char((0x56051b6b4f40), p)
^  Call: (210) [user] is_delimiter(p)
   Call: (211) [system] char_type(p, space)
   Call: (211) [system] arg(_1131976, v('(', ')', end_of_file), p)
   Call: (210) [system] ')'==p
   Call: (210) [system] get_char((0x56051b6b4f40), p)
   Exit: (210) [system] get_char((0x56051b6b4f40), p)
   Call: (210) [system] p=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1136546)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1137480)
   Exit: (211) [system] peek_char((0x56051b6b4f40), l)
^  Call: (211) [user] is_delimiter(l)
   Call: (212) [system] char_type(l, space)
   Call: (212) [system] arg(_1141272, v('(', ')', end_of_file), l)
   Call: (211) [system] ')'==l
   Call: (211) [system] get_char((0x56051b6b4f40), l)
   Exit: (211) [system] get_char((0x56051b6b4f40), l)
   Call: (211) [system] l=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1145842)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1146776)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1150568, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1155138)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1156072)
   Exit: (213) [system] peek_char((0x56051b6b4f40), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1159864, v('(', ')', end_of_file), c)
   Call: (213) [system] ')'==c
   Call: (213) [system] get_char((0x56051b6b4f40), c)
   Exit: (213) [system] get_char((0x56051b6b4f40), c)
   Call: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1164434)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1165368)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
^  Call: (214) [user] is_delimiter(a)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] arg(_1169160, v('(', ')', end_of_file), a)
   Call: (214) [system] ')'==a
   Call: (214) [system] get_char((0x56051b6b4f40), a)
   Exit: (214) [system] get_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1173730)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1174664)
   Exit: (215) [system] peek_char((0x56051b6b4f40), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1178456, v('(', ')', end_of_file), t)
   Call: (215) [system] ')'==t
   Call: (215) [system] get_char((0x56051b6b4f40), t)
   Exit: (215) [system] get_char((0x56051b6b4f40), t)
   Call: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1183026)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1183960)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1187752, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1192322)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1193256)
   Exit: (217) [system] peek_char((0x56051b6b4f40), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1197048, v('(', ')', end_of_file), o)
   Call: (217) [system] ')'==o
   Call: (217) [system] get_char((0x56051b6b4f40), o)
   Exit: (217) [system] get_char((0x56051b6b4f40), o)
   Call: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1201618)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1202552)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1206344, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1210914)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1211848)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1210914=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _1201618=[n]
   Exit: (218) [system] [n]=[n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (217) [system] _1192322=[o, n]
   Exit: (217) [system] [o, n]=[o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (216) [system] _1183026=[i, o, n]
   Exit: (216) [system] [i, o, n]=[i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (215) [system] _1173730=[t, i, o, n]
   Exit: (215) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (214) [system] _1164434=[a, t, i, o, n]
   Exit: (214) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (213) [system] _1155138=[c, a, t, i, o, n]
   Exit: (213) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (212) [system] _1145842=[i, c, a, t, i, o, n]
   Exit: (212) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (211) [system] _1136546=[l, i, c, a, t, i, o, n]
   Exit: (211) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (210) [system] _1127250=[p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (209) [system] _1117954=[m, p, l, i, c, a, t, i, o, n]
   Exit: (209) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1097410)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1249098, _1249100), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1097410), _1249074, fail)), '$restore_trace'(_1249098, _1249100))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1249098, _1249100))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1097410), _1249074, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_1097410)
   Call: (209) [system] atom_chars(_1097410, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (209) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1257550)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1259408)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1266218)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1268922)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1278314)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1282028)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1283886)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1292354)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1282028)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1297924)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=(;)
^  Call: (210) [user] is_like_space('A')
   Call: (211) [system] char_type('A', 'white')
   Call: (211) [system] char_type('A', end_of_line)
   Call: (211) [system] char_type('A', space)
   Call: (211) [system] char_type('A', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1306392)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (209) [system] 'A'=')'
   Call: (209) [system] 'A'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1310106)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1311964)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1320432)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'='('
   Call: (210) [system] 'A'='['
   Call: (210) [system] 'A'='{'
   Call: (210) [system] 'A'='"'
   Call: (210) [system] 'A'=!
   Call: (210) [system] 'A'='\''
   Call: (210) [system] 'A'='`'
   Call: (210) [system] 'A'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1310106)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1330650)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1331584)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1335376, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1339946)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1340880)
   Exit: (213) [system] peek_char((0x56051b6b4f40), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_1344672, v('(', ')', end_of_file), d)
   Call: (213) [system] ')'==d
   Call: (213) [system] get_char((0x56051b6b4f40), d)
   Exit: (213) [system] get_char((0x56051b6b4f40), d)
   Call: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1349242)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1350176)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_1353968, v('(', ')', end_of_file), 'L')
   Call: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (214) [system] get_char((0x56051b6b4f40), 'L')
   Call: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1358538)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1359472)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1363264, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1367834)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1368768)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1372560, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1377130)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1378064)
   Exit: (217) [system] peek_char((0x56051b6b4f40), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_1381856, v('(', ')', end_of_file), k)
   Call: (217) [system] ')'==k
   Call: (217) [system] get_char((0x56051b6b4f40), k)
   Exit: (217) [system] get_char((0x56051b6b4f40), k)
   Call: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1386426)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1387360)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1386426=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (217) [system] _1377130=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (216) [system] _1367834=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (215) [system] _1358538=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (214) [system] _1349242=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (213) [system] _1339946=[d, 'L', i, n, k]
   Exit: (213) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (212) [system] _1330650=[n, d, 'L', i, n, k]
   Exit: (212) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1310106)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1413434, _1413436), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1310106), _1413410, fail)), '$restore_trace'(_1413434, _1413436))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1413434, _1413436))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1310106), _1413410, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1310106)
   Call: (212) [system] atom_chars(_1310106, ['A', n, d, 'L', i, n, k])
   Exit: (212) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1421886)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1423744)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1430554)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1433258)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1442650)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1446364)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1448222)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1456690)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1446364)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1466908)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1467842)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _1466908=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq('A', [], _1446364)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1477152, _1477154), once(user:catch(read_from_chars(['A'], _1446364), _1477128, fail)), '$restore_trace'(_1477152, _1477154))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1477152, _1477154))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1446364), _1477128, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1446364)
   Call: (213) [system] atom_chars(_1446364, ['A'])
   Exit: (213) [system] atom_chars('A', ['A'])
^  Exit: (212) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1485604)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1487462)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1494272)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1496976)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (213) [system] 'B'=(;)
^  Call: (213) [user] is_like_space('B')
   Call: (214) [system] char_type('B', 'white')
   Call: (214) [system] char_type('B', end_of_line)
   Call: (214) [system] char_type('B', space)
   Call: (214) [system] char_type('B', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1506368)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (211) [system] 'B'=')'
   Call: (211) [system] 'B'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1510082)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1511940)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (213) [system] 'B'=(;)
^  Call: (213) [user] is_like_space('B')
   Call: (214) [system] char_type('B', 'white')
   Call: (214) [system] char_type('B', end_of_line)
   Call: (214) [system] char_type('B', space)
   Call: (214) [system] char_type('B', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1520408)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'='('
   Call: (212) [system] 'B'='['
   Call: (212) [system] 'B'='{'
   Call: (212) [system] 'B'='"'
   Call: (212) [system] 'B'=!
   Call: (212) [system] 'B'='\''
   Call: (212) [system] 'B'='`'
   Call: (212) [system] 'B'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1510082)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1530626)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1531560)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_1535352, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _1530626=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq('B', [], _1510082)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1541814, _1541816), once(user:catch(read_from_chars(['B'], _1510082), _1541790, fail)), '$restore_trace'(_1541814, _1541816))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1541814, _1541816))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1510082), _1541790, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1510082)
   Call: (214) [system] atom_chars(_1510082, ['B'])
   Exit: (214) [system] atom_chars('B', ['B'])
^  Exit: (213) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1550266)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1552124)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1560592)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _1564382)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _1550266=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _1485604=['B']
   Exit: (211) [system] ['B']=['B']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (210) [system] _1421886=['A', 'B']
   Exit: (210) [system] ['A', 'B']=['A', 'B']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (209) [system] _1282028=['AndLink', 'A', 'B']
   Exit: (209) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1578264)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1580122)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1586932)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1589636)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1599028)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (208) [system] 'C'=')'
   Call: (208) [system] 'C'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1602742)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1604600)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'=(;)
^  Call: (210) [user] is_like_space('C')
   Call: (211) [system] char_type('C', 'white')
   Call: (211) [system] char_type('C', end_of_line)
   Call: (211) [system] char_type('C', space)
   Call: (211) [system] char_type('C', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1613068)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'='('
   Call: (209) [system] 'C'='['
   Call: (209) [system] 'C'='{'
   Call: (209) [system] 'C'='"'
   Call: (209) [system] 'C'=!
   Call: (209) [system] 'C'='\''
   Call: (209) [system] 'C'='`'
   Call: (209) [system] 'C'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1602742)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1623286)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1624220)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (211) [user] is_delimiter(')')
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] arg(_1628012, v('(', ')', end_of_file), ')')
   Exit: (212) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (211) [user] is_delimiter(')')
   Call: (211) [system] _1623286=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq('C', [], _1602742)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1634474, _1634476), once(user:catch(read_from_chars(['C'], _1602742), _1634450, fail)), '$restore_trace'(_1634474, _1634476))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1634474, _1634476))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1602742), _1634450, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1602742)
   Call: (211) [system] atom_chars(_1602742, ['C'])
   Exit: (211) [system] atom_chars('C', ['C'])
^  Exit: (210) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1642926)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1644784)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1653252)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _1657042)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _1642926=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1578264=['C']
   Exit: (208) [system] ['C']=['C']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (207) [system] _1257550=[['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (206) [system] _1069332=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (206) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1670924)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1672782)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _1679592)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1682296)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1691688)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1695402)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1697260)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1705728)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1695402)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1711298)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (208) [system] 'O'=(;)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1719766)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1723480)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1725338)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1733806)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'O')
   Call: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1723480)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1744024)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1744958)
   Exit: (210) [system] peek_char((0x56051b6b4f40), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_1748750, v('(', ')', end_of_file), r)
   Call: (210) [system] ')'==r
   Call: (210) [system] get_char((0x56051b6b4f40), r)
   Exit: (210) [system] get_char((0x56051b6b4f40), r)
   Call: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1753320)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1754254)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_1758046, v('(', ')', end_of_file), 'L')
   Call: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'L')
   Call: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1762616)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1763550)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1767342, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1771912)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1772846)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1776638, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1781208)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1782142)
   Exit: (214) [system] peek_char((0x56051b6b4f40), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_1785934, v('(', ')', end_of_file), k)
   Call: (214) [system] ')'==k
   Call: (214) [system] get_char((0x56051b6b4f40), k)
   Exit: (214) [system] get_char((0x56051b6b4f40), k)
   Call: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1790504)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1791438)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1790504=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1781208=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (213) [system] _1771912=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (212) [system] _1762616=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (211) [system] _1753320=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (210) [system] _1744024=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1723480)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1814718, _1814720), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1723480), _1814694, fail)), '$restore_trace'(_1814718, _1814720))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1814718, _1814720))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1723480), _1814694, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1723480)
   Call: (210) [system] atom_chars(_1723480, ['O', r, 'L', i, n, k])
   Exit: (210) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1823170)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1825028)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1831838)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1834542)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1843934)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1847648)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1849506)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1857974)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1847648)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1863544)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'=(;)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1872012)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (210) [system] 'I'=')'
   Call: (210) [system] 'I'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1875726)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1877584)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1886052)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'='('
   Call: (211) [system] 'I'='['
   Call: (211) [system] 'I'='{'
   Call: (211) [system] 'I'='"'
   Call: (211) [system] 'I'=!
   Call: (211) [system] 'I'='\''
   Call: (211) [system] 'I'='`'
   Call: (211) [system] 'I'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1875726)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1896270)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1897204)
   Exit: (213) [system] peek_char((0x56051b6b4f40), m)
^  Call: (213) [user] is_delimiter(m)
   Call: (214) [system] char_type(m, space)
   Call: (214) [system] arg(_1900996, v('(', ')', end_of_file), m)
   Call: (213) [system] ')'==m
   Call: (213) [system] get_char((0x56051b6b4f40), m)
   Exit: (213) [system] get_char((0x56051b6b4f40), m)
   Call: (213) [system] m=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1905566)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1906500)
   Exit: (214) [system] peek_char((0x56051b6b4f40), p)
^  Call: (214) [user] is_delimiter(p)
   Call: (215) [system] char_type(p, space)
   Call: (215) [system] arg(_1910292, v('(', ')', end_of_file), p)
   Call: (214) [system] ')'==p
   Call: (214) [system] get_char((0x56051b6b4f40), p)
   Exit: (214) [system] get_char((0x56051b6b4f40), p)
   Call: (214) [system] p=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1914862)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1915796)
   Exit: (215) [system] peek_char((0x56051b6b4f40), l)
^  Call: (215) [user] is_delimiter(l)
   Call: (216) [system] char_type(l, space)
   Call: (216) [system] arg(_1919588, v('(', ')', end_of_file), l)
   Call: (215) [system] ')'==l
   Call: (215) [system] get_char((0x56051b6b4f40), l)
   Exit: (215) [system] get_char((0x56051b6b4f40), l)
   Call: (215) [system] l=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1924158)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1925092)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1928884, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1933454)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1934388)
   Exit: (217) [system] peek_char((0x56051b6b4f40), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1938180, v('(', ')', end_of_file), c)
   Call: (217) [system] ')'==c
   Call: (217) [system] get_char((0x56051b6b4f40), c)
   Exit: (217) [system] get_char((0x56051b6b4f40), c)
   Call: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1942750)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1943684)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
^  Call: (218) [user] is_delimiter(a)
   Call: (219) [system] char_type(a, space)
   Call: (219) [system] arg(_1947476, v('(', ')', end_of_file), a)
   Call: (218) [system] ')'==a
   Call: (218) [system] get_char((0x56051b6b4f40), a)
   Exit: (218) [system] get_char((0x56051b6b4f40), a)
   Call: (218) [system] a=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1952046)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1952980)
   Exit: (219) [system] peek_char((0x56051b6b4f40), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1956772, v('(', ')', end_of_file), t)
   Call: (219) [system] ')'==t
   Call: (219) [system] get_char((0x56051b6b4f40), t)
   Exit: (219) [system] get_char((0x56051b6b4f40), t)
   Call: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1961342)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1962276)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1966068, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1970638)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1971572)
   Exit: (221) [system] peek_char((0x56051b6b4f40), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1975364, v('(', ')', end_of_file), o)
   Call: (221) [system] ')'==o
   Call: (221) [system] get_char((0x56051b6b4f40), o)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1979934)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1980868)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1984660, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1989230)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1990164)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1989230=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1979934=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (221) [system] _1970638=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (220) [system] _1961342=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (219) [system] _1952046=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (218) [system] _1942750=[a, t, i, o, n]
   Exit: (218) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (217) [system] _1933454=[c, a, t, i, o, n]
   Exit: (217) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (216) [system] _1924158=[i, c, a, t, i, o, n]
   Exit: (216) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (215) [system] _1914862=[l, i, c, a, t, i, o, n]
   Exit: (215) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (214) [system] _1905566=[p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (213) [system] _1896270=[m, p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1875726)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_2027414, _2027416), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1875726), _2027390, fail)), '$restore_trace'(_2027414, _2027416))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_2027414, _2027416))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1875726), _2027390, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1875726)
   Call: (213) [system] atom_chars(_1875726, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _2035866)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _2037724)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _2044534)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _2047238)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _2056630)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _2060344)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _2062202)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _2070670)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _2060344)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _2076240)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _2084708)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _2088422)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2090280)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _6030)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _4226)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _16248)
   Call: (216) [system] peek_char((0x56051b6b4f40), _17182)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_20974, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _25544)
   Call: (217) [system] peek_char((0x56051b6b4f40), _26478)
   Exit: (217) [system] peek_char((0x56051b6b4f40), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_30270, v('(', ')', end_of_file), d)
   Call: (217) [system] ')'==d
   Call: (217) [system] get_char((0x56051b6b4f40), d)
   Exit: (217) [system] get_char((0x56051b6b4f40), d)
   Call: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _34840)
   Call: (218) [system] peek_char((0x56051b6b4f40), _35774)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_39566, v('(', ')', end_of_file), 'L')
   Call: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (218) [system] get_char((0x56051b6b4f40), 'L')
   Call: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _44136)
   Call: (219) [system] peek_char((0x56051b6b4f40), _45070)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_48862, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _53432)
   Call: (220) [system] peek_char((0x56051b6b4f40), _54366)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_58158, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _62728)
   Call: (221) [system] peek_char((0x56051b6b4f40), _63662)
   Exit: (221) [system] peek_char((0x56051b6b4f40), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_67454, v('(', ')', end_of_file), k)
   Call: (221) [system] ')'==k
   Call: (221) [system] get_char((0x56051b6b4f40), k)
   Exit: (221) [system] get_char((0x56051b6b4f40), k)
   Call: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _72024)
   Call: (222) [system] peek_char((0x56051b6b4f40), _72958)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _72024=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _62728=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (220) [system] _53432=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (219) [system] _44136=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (218) [system] _34840=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (217) [system] _25544=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (216) [system] _16248=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _4226)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_99032, _99034), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4226), _99008, fail)), '$restore_trace'(_99032, _99034))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_99032, _99034))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4226), _99008, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_4226)
   Call: (216) [system] atom_chars(_4226, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _107484)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _109342)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _116152)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _118856)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _128248)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _131962)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _133820)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _142288)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _131962)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _152506)
   Call: (217) [system] peek_char((0x56051b6b4f40), _153440)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _152506=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq('A', [], _131962)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_162750, _162752), once(user:catch(read_from_chars(['A'], _131962), _162726, fail)), '$restore_trace'(_162750, _162752))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_162750, _162752))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _131962), _162726, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_131962)
   Call: (217) [system] atom_chars(_131962, ['A'])
   Exit: (217) [system] atom_chars('A', ['A'])
^  Exit: (216) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _171202)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _173060)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _179870)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _182574)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _191966)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _195680)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _197538)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _206006)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _195680)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _216224)
   Call: (218) [system] peek_char((0x56051b6b4f40), _217158)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_220950, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _216224=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('B', [], _195680)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_227412, _227414), once(user:catch(read_from_chars(['B'], _195680), _227388, fail)), '$restore_trace'(_227412, _227414))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_227412, _227414))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _195680), _227388, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_195680)
   Call: (218) [system] atom_chars(_195680, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _235864)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _237722)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _246190)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _249980)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _235864=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _171202=['B']
   Exit: (215) [system] ['B']=['B']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (214) [system] _107484=['A', 'B']
   Exit: (214) [system] ['A', 'B']=['A', 'B']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (213) [system] _4220=['AndLink', 'A', 'B']
   Exit: (213) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _263862)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _265720)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _272530)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _275234)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _284626)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _288340)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _290198)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _298666)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _288340)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _308884)
   Call: (215) [system] peek_char((0x56051b6b4f40), _309818)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_313610, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _308884=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('C', [], _288340)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_320072, _320074), once(user:catch(read_from_chars(['C'], _288340), _320048, fail)), '$restore_trace'(_320072, _320074))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_320072, _320074))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _288340), _320048, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_288340)
   Call: (215) [system] atom_chars(_288340, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _328524)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _330382)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _338850)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _342640)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _328524=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _263862=['C']
   Exit: (212) [system] ['C']=['C']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (211) [system] _4216=[['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (210) [system] _4208=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _356522)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _358380)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _365190)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _367894)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _377286)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _381000)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _382858)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _391326)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _381000)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _396896)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _405364)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _409078)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _410936)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _419404)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _409078)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _429622)
   Call: (214) [system] peek_char((0x56051b6b4f40), _430556)
   Exit: (214) [system] peek_char((0x56051b6b4f40), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_434348, v('(', ')', end_of_file), m)
   Call: (214) [system] ')'==m
   Call: (214) [system] get_char((0x56051b6b4f40), m)
   Exit: (214) [system] get_char((0x56051b6b4f40), m)
   Call: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _438918)
   Call: (215) [system] peek_char((0x56051b6b4f40), _439852)
   Exit: (215) [system] peek_char((0x56051b6b4f40), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_443644, v('(', ')', end_of_file), p)
   Call: (215) [system] ')'==p
   Call: (215) [system] get_char((0x56051b6b4f40), p)
   Exit: (215) [system] get_char((0x56051b6b4f40), p)
   Call: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _448214)
   Call: (216) [system] peek_char((0x56051b6b4f40), _449148)
   Exit: (216) [system] peek_char((0x56051b6b4f40), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_452940, v('(', ')', end_of_file), l)
   Call: (216) [system] ')'==l
   Call: (216) [system] get_char((0x56051b6b4f40), l)
   Exit: (216) [system] get_char((0x56051b6b4f40), l)
   Call: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _457510)
   Call: (217) [system] peek_char((0x56051b6b4f40), _458444)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_462236, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _466806)
   Call: (218) [system] peek_char((0x56051b6b4f40), _467740)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_471532, v('(', ')', end_of_file), c)
   Call: (218) [system] ')'==c
   Call: (218) [system] get_char((0x56051b6b4f40), c)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _476102)
   Call: (219) [system] peek_char((0x56051b6b4f40), _477036)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_480828, v('(', ')', end_of_file), a)
   Call: (219) [system] ')'==a
   Call: (219) [system] get_char((0x56051b6b4f40), a)
   Exit: (219) [system] get_char((0x56051b6b4f40), a)
   Call: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _485398)
   Call: (220) [system] peek_char((0x56051b6b4f40), _486332)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_490124, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _494694)
   Call: (221) [system] peek_char((0x56051b6b4f40), _495628)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_499420, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _503990)
   Call: (222) [system] peek_char((0x56051b6b4f40), _504924)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_508716, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _513286)
   Call: (223) [system] peek_char((0x56051b6b4f40), _514220)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_518012, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _522582)
   Call: (224) [system] peek_char((0x56051b6b4f40), _523516)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _522582=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _513286=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (222) [system] _503990=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (221) [system] _494694=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (220) [system] _485398=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (219) [system] _476102=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (218) [system] _466806=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (217) [system] _457510=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (216) [system] _448214=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _438918=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _429622=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _409078)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_560766, _560768), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _409078), _560742, fail)), '$restore_trace'(_560766, _560768))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_560766, _560768))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _409078), _560742, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_409078)
   Call: (214) [system] atom_chars(_409078, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _569218)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _571076)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _577886)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _580590)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _589982)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _593696)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _595554)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _604022)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _593696)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _609592)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _618060)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _621774)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _623632)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _632100)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _621774)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _642318)
   Call: (217) [system] peek_char((0x56051b6b4f40), _643252)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_647044, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _651614)
   Call: (218) [system] peek_char((0x56051b6b4f40), _652548)
   Exit: (218) [system] peek_char((0x56051b6b4f40), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_656340, v('(', ')', end_of_file), d)
   Call: (218) [system] ')'==d
   Call: (218) [system] get_char((0x56051b6b4f40), d)
   Exit: (218) [system] get_char((0x56051b6b4f40), d)
   Call: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _660910)
   Call: (219) [system] peek_char((0x56051b6b4f40), _661844)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_665636, v('(', ')', end_of_file), 'L')
   Call: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'L')
   Call: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _670206)
   Call: (220) [system] peek_char((0x56051b6b4f40), _671140)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_674932, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _679502)
   Call: (221) [system] peek_char((0x56051b6b4f40), _680436)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_684228, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _688798)
   Call: (222) [system] peek_char((0x56051b6b4f40), _689732)
   Exit: (222) [system] peek_char((0x56051b6b4f40), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_693524, v('(', ')', end_of_file), k)
   Call: (222) [system] ')'==k
   Call: (222) [system] get_char((0x56051b6b4f40), k)
   Exit: (222) [system] get_char((0x56051b6b4f40), k)
   Call: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _698094)
   Call: (223) [system] peek_char((0x56051b6b4f40), _699028)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _698094=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _688798=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (221) [system] _679502=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (220) [system] _670206=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (219) [system] _660910=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (218) [system] _651614=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (217) [system] _642318=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _621774)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_725102, _725104), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _621774), _725078, fail)), '$restore_trace'(_725102, _725104))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_725102, _725104))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _621774), _725078, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_621774)
   Call: (217) [system] atom_chars(_621774, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _733554)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _735412)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _742222)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _744926)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _754318)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _758032)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _759890)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _768358)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _758032)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _778576)
   Call: (218) [system] peek_char((0x56051b6b4f40), _779510)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _778576=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('A', [], _758032)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_788820, _788822), once(user:catch(read_from_chars(['A'], _758032), _788796, fail)), '$restore_trace'(_788820, _788822))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_788820, _788822))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _758032), _788796, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_758032)
   Call: (218) [system] atom_chars(_758032, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _797272)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _799130)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _805940)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _808644)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _818036)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _821750)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _823608)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _832076)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _821750)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _842294)
   Call: (219) [system] peek_char((0x56051b6b4f40), _843228)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_847020, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _842294=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq('B', [], _821750)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_853482, _853484), once(user:catch(read_from_chars(['B'], _821750), _853458, fail)), '$restore_trace'(_853482, _853484))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_853482, _853484))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _821750), _853458, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_821750)
   Call: (219) [system] atom_chars(_821750, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _861934)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _863792)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _872260)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _876050)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _861934=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _797272=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (215) [system] _733554=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (214) [system] _593696=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _889932)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _891790)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _898600)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _901304)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _910696)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _914410)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _916268)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _924736)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _914410)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _934954)
   Call: (216) [system] peek_char((0x56051b6b4f40), _935888)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_939680, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _934954=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('C', [], _914410)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_946142, _946144), once(user:catch(read_from_chars(['C'], _914410), _946118, fail)), '$restore_trace'(_946142, _946144))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_946142, _946144))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _914410), _946118, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_914410)
   Call: (216) [system] atom_chars(_914410, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _954594)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _956452)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _964920)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _968710)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _954594=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _889932=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (212) [system] _569218=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _381000=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _982592)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _984450)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _992918)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _996708)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _982592=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _356522=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (208) [system] _4204=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (208) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (207) [system] _4196=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (207) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1010590)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1012448)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1020916)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _1024706)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _1010590=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _4192=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (205) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (204) [system] _4150=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (204) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (203) [system] _4142=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (203) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1038588)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1040446)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=(;)
^  Call: (203) [user] is_like_space(')')
   Call: (204) [system] char_type(')', 'white')
   Call: (204) [system] char_type(')', end_of_line)
   Call: (204) [system] char_type(')', space)
   Call: (204) [system] char_type(')', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1048914)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ')')
   Call: (202) [system] ')'=')'
   Exit: (202) [system] ')'=')'
   Call: (202) [system] get_char((0x56051b6b4f40), _1052704)
   Exit: (202) [system] get_char((0x56051b6b4f40), ')')
   Call: (202) [system] _1038588=[]
   Exit: (202) [system] []=[]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (201) [system] _4138=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (201) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (200) [system] _4096=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (200) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (199) [system] _4088=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (199) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (198) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (197) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (197) [user] read_list(')', (0x56051b6b4f40), _1066586)
^  Call: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1068444)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (199) [system] '\n'=(;)
^  Call: (199) [user] is_like_space('\n')
   Call: (200) [system] char_type('\n', 'white')
   Call: (200) [system] char_type('\n', end_of_line)
   Exit: (200) [system] char_type('\n', end_of_line)
^  Exit: (199) [user] is_like_space('\n')
   Call: (199) [system] get_char((0x56051b6b4f40), _1076060)
   Exit: (199) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1078764)
   Exit: (200) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (200) [system] ' '=(;)
^  Call: (200) [user] is_like_space(' ')
   Call: (201) [system] char_type(' ', 'white')
   Exit: (201) [system] char_type(' ', 'white')
^  Exit: (200) [user] is_like_space(' ')
   Call: (200) [system] get_char((0x56051b6b4f40), _1085574)
   Exit: (200) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1088278)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (198) [user] skip_spaces((0x56051b6b4f40))
   Call: (198) [system] peek_char((0x56051b6b4f40), _1098594)
   Exit: (198) [system] peek_char((0x56051b6b4f40), '(')
   Call: (198) [system] '('=')'
   Call: (198) [system] '('=end_of_file
^  Call: (198) [user] cont_sexpr(')', (0x56051b6b4f40), _1102308)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1104166)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=(;)
^  Call: (200) [user] is_like_space('(')
   Call: (201) [system] char_type('(', 'white')
   Call: (201) [system] char_type('(', end_of_line)
   Call: (201) [system] char_type('(', space)
   Call: (201) [system] char_type('(', cntrl)
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] get_char((0x56051b6b4f40), _1112634)
   Exit: (199) [system] get_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('='('
   Exit: (199) [system] '('='('
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _1102308)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1118204)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=(;)
^  Call: (201) [user] is_like_space(:)
   Call: (202) [system] char_type(:, 'white')
   Call: (202) [system] char_type(:, end_of_line)
   Call: (202) [system] char_type(:, space)
   Call: (202) [system] char_type(:, cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1126672)
   Exit: (200) [system] peek_char((0x56051b6b4f40), :)
   Call: (200) [system] (:)=')'
   Call: (200) [system] (:)=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1130386)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1132244)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1140712)
   Exit: (201) [system] get_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)='('
   Call: (201) [system] (:)='['
   Call: (201) [system] (:)='{'
   Call: (201) [system] (:)='"'
   Call: (201) [system] (:)=!
   Call: (201) [system] (:)='\''
   Call: (201) [system] (:)='`'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, _1130386)
^  Call: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1150930)
   Call: (203) [system] peek_char((0x56051b6b4f40), _1151864)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] is_delimiter(' ')
   Call: (204) [system] char_type(' ', space)
   Exit: (204) [system] char_type(' ', space)
^  Exit: (203) [user] is_delimiter(' ')
   Call: (203) [system] _1150930=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (202) [user] classify_and_convert_charseq(:, [], _1130386)
^  Call: (204) [system] setup_call_cleanup('$notrace'(_1161174, _1161176), once(user:catch(read_from_chars([:], _1130386), _1161150, fail)), '$restore_trace'(_1161174, _1161176))
^  Call: (205) [system] sig_atomic(system:'$notrace'(_1161174, _1161176))
^  Exit: (204) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1161150, fail)), system:'$restore_trace'(3, -1))
   Call: (203) [system] atomic(:)
   Exit: (203) [system] atomic(:)
^  Exit: (202) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (201) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1168674)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1170532)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1177342)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1180046)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1189438)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1193152)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1195010)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1203478)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1193152)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1209048)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (204) [system] 'D'=(;)
^  Call: (204) [user] is_like_space('D')
   Call: (205) [system] char_type('D', 'white')
   Call: (205) [system] char_type('D', end_of_line)
   Call: (205) [system] char_type('D', space)
   Call: (205) [system] char_type('D', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1217516)
   Exit: (203) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (203) [system] 'D'=')'
   Call: (203) [system] 'D'=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1221230)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1223088)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1231556)
   Exit: (204) [system] get_char((0x56051b6b4f40), 'D')
   Call: (204) [system] 'D'='('
   Call: (204) [system] 'D'='['
   Call: (204) [system] 'D'='{'
   Call: (204) [system] 'D'='"'
   Call: (204) [system] 'D'=!
   Call: (204) [system] 'D'='\''
   Call: (204) [system] 'D'='`'
   Call: (204) [system] 'D'=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1221230)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1241774)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1242708)
   Exit: (206) [system] peek_char((0x56051b6b4f40), i)
^  Call: (206) [user] is_delimiter(i)
   Call: (207) [system] char_type(i, space)
   Call: (207) [system] arg(_1246500, v('(', ')', end_of_file), i)
   Call: (206) [system] ')'==i
   Call: (206) [system] get_char((0x56051b6b4f40), i)
   Exit: (206) [system] get_char((0x56051b6b4f40), i)
   Call: (206) [system] i=(\)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1251070)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1252004)
   Exit: (207) [system] peek_char((0x56051b6b4f40), s)
^  Call: (207) [user] is_delimiter(s)
   Call: (208) [system] char_type(s, space)
   Call: (208) [system] arg(_1255796, v('(', ')', end_of_file), s)
   Call: (207) [system] ')'==s
   Call: (207) [system] get_char((0x56051b6b4f40), s)
   Exit: (207) [system] get_char((0x56051b6b4f40), s)
   Call: (207) [system] s=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1260366)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1261300)
   Exit: (208) [system] peek_char((0x56051b6b4f40), j)
^  Call: (208) [user] is_delimiter(j)
   Call: (209) [system] char_type(j, space)
   Call: (209) [system] arg(_1265092, v('(', ')', end_of_file), j)
   Call: (208) [system] ')'==j
   Call: (208) [system] get_char((0x56051b6b4f40), j)
   Exit: (208) [system] get_char((0x56051b6b4f40), j)
   Call: (208) [system] j=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1269662)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1270596)
   Exit: (209) [system] peek_char((0x56051b6b4f40), u)
^  Call: (209) [user] is_delimiter(u)
   Call: (210) [system] char_type(u, space)
   Call: (210) [system] arg(_1274388, v('(', ')', end_of_file), u)
   Call: (209) [system] ')'==u
   Call: (209) [system] get_char((0x56051b6b4f40), u)
   Exit: (209) [system] get_char((0x56051b6b4f40), u)
   Call: (209) [system] u=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1278958)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1279892)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_1283684, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1288254)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1289188)
   Exit: (211) [system] peek_char((0x56051b6b4f40), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_1292980, v('(', ')', end_of_file), c)
   Call: (211) [system] ')'==c
   Call: (211) [system] get_char((0x56051b6b4f40), c)
   Exit: (211) [system] get_char((0x56051b6b4f40), c)
   Call: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1297550)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1298484)
   Exit: (212) [system] peek_char((0x56051b6b4f40), t)
^  Call: (212) [user] is_delimiter(t)
   Call: (213) [system] char_type(t, space)
   Call: (213) [system] arg(_1302276, v('(', ')', end_of_file), t)
   Call: (212) [system] ')'==t
   Call: (212) [system] get_char((0x56051b6b4f40), t)
   Exit: (212) [system] get_char((0x56051b6b4f40), t)
   Call: (212) [system] t=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1306846)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1307780)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1311572, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1316142)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1317076)
   Exit: (214) [system] peek_char((0x56051b6b4f40), o)
^  Call: (214) [user] is_delimiter(o)
   Call: (215) [system] char_type(o, space)
   Call: (215) [system] arg(_1320868, v('(', ')', end_of_file), o)
   Call: (214) [system] ')'==o
   Call: (214) [system] get_char((0x56051b6b4f40), o)
   Exit: (214) [system] get_char((0x56051b6b4f40), o)
   Call: (214) [system] o=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1325438)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1326372)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1330164, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1334734)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1335668)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (216) [user] is_delimiter('I')
   Call: (217) [system] char_type('I', space)
   Call: (217) [system] arg(_1339460, v('(', ')', end_of_file), 'I')
   Call: (216) [system] ')'=='I'
   Call: (216) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (216) [system] get_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1344030)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1344964)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1348756, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1353326)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1354260)
   Exit: (218) [system] peek_char((0x56051b6b4f40), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1358052, v('(', ')', end_of_file), t)
   Call: (218) [system] ')'==t
   Call: (218) [system] get_char((0x56051b6b4f40), t)
   Exit: (218) [system] get_char((0x56051b6b4f40), t)
   Call: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1362622)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1363556)
   Exit: (219) [system] peek_char((0x56051b6b4f40), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_1367348, v('(', ')', end_of_file), r)
   Call: (219) [system] ')'==r
   Call: (219) [system] get_char((0x56051b6b4f40), r)
   Exit: (219) [system] get_char((0x56051b6b4f40), r)
   Call: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1371918)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1372852)
   Exit: (220) [system] peek_char((0x56051b6b4f40), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1376644, v('(', ')', end_of_file), o)
   Call: (220) [system] ')'==o
   Call: (220) [system] get_char((0x56051b6b4f40), o)
   Exit: (220) [system] get_char((0x56051b6b4f40), o)
   Call: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1381214)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1382148)
   Exit: (221) [system] peek_char((0x56051b6b4f40), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1385940, v('(', ')', end_of_file), d)
   Call: (221) [system] ')'==d
   Call: (221) [system] get_char((0x56051b6b4f40), d)
   Exit: (221) [system] get_char((0x56051b6b4f40), d)
   Call: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1390510)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1391444)
   Exit: (222) [system] peek_char((0x56051b6b4f40), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_1395236, v('(', ')', end_of_file), u)
   Call: (222) [system] ')'==u
   Call: (222) [system] get_char((0x56051b6b4f40), u)
   Exit: (222) [system] get_char((0x56051b6b4f40), u)
   Call: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1399806)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1400740)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1404532, v('(', ')', end_of_file), c)
   Call: (223) [system] ')'==c
   Call: (223) [system] get_char((0x56051b6b4f40), c)
   Exit: (223) [system] get_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1409102)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1410036)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1413828, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1418398)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1419332)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1423124, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1427694)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1428628)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1432420, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1436990)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1437924)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1441716, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1446286)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1447220)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1446286=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1436990=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (226) [system] _1427694=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (225) [system] _1418398=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (224) [system] _1409102=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (223) [system] _1399806=[c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (222) [system] _1390510=[u, c, t, i, o, n]
   Exit: (222) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (221) [system] _1381214=[d, u, c, t, i, o, n]
   Exit: (221) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (220) [system] _1371918=[o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (219) [system] _1362622=[r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1353326=[t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1344030=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1334734=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1325438=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1316142=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1306846=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1297550=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1288254=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1278958=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1269662=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1260366=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _1251070=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (206) [system] _1241774=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (206) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (205) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1221230)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1517998, _1518000), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1221230), _1517974, fail)), '$restore_trace'(_1517998, _1518000))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1517998, _1518000))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1221230), _1517974, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(_1221230)
   Call: (206) [system] atom_chars(_1221230, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (206) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (205) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1526450)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1528308)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1535118)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1537822)
   Exit: (206) [system] peek_char((0x56051b6b4f40), a)
   Call: (206) [system] a=(;)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1547214)
   Exit: (204) [system] peek_char((0x56051b6b4f40), a)
   Call: (204) [system] a=')'
   Call: (204) [system] a=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1550928)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1552786)
   Exit: (206) [system] peek_char((0x56051b6b4f40), a)
   Call: (206) [system] a=(;)
^  Call: (206) [user] is_like_space(a)
   Call: (207) [system] char_type(a, 'white')
   Call: (207) [system] char_type(a, end_of_line)
   Call: (207) [system] char_type(a, space)
   Call: (207) [system] char_type(a, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1561254)
   Exit: (205) [system] get_char((0x56051b6b4f40), a)
   Call: (205) [system] a='('
   Call: (205) [system] a='['
   Call: (205) [system] a='{'
   Call: (205) [system] a='"'
   Call: (205) [system] a=!
   Call: (205) [system] a='\''
   Call: (205) [system] a='`'
   Call: (205) [system] a=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), a, _1550928)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1571472)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1572406)
   Exit: (207) [system] peek_char((0x56051b6b4f40), b)
^  Call: (207) [user] is_delimiter(b)
   Call: (208) [system] char_type(b, space)
   Call: (208) [system] arg(_1576198, v('(', ')', end_of_file), b)
   Call: (207) [system] ')'==b
   Call: (207) [system] get_char((0x56051b6b4f40), b)
   Exit: (207) [system] get_char((0x56051b6b4f40), b)
   Call: (207) [system] b=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1580768)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1581702)
   Exit: (208) [system] peek_char((0x56051b6b4f40), c)
^  Call: (208) [user] is_delimiter(c)
   Call: (209) [system] char_type(c, space)
   Call: (209) [system] arg(_1585494, v('(', ')', end_of_file), c)
   Call: (208) [system] ')'==c
   Call: (208) [system] get_char((0x56051b6b4f40), c)
   Exit: (208) [system] get_char((0x56051b6b4f40), c)
   Call: (208) [system] c=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1590064)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1590998)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1590064=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (208) [system] _1580768=[c]
   Exit: (208) [system] [c]=[c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (207) [system] _1571472=[b, c]
   Exit: (207) [system] [b, c]=[b, c]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (206) [user] classify_and_convert_charseq(a, [b, c], _1550928)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_1605896, _1605898), once(user:catch(read_from_chars([a, b, c], _1550928), _1605872, fail)), '$restore_trace'(_1605896, _1605898))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_1605896, _1605898))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1605872, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(abc)
   Exit: (207) [system] atomic(abc)
^  Exit: (206) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1613396)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1615254)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _1622064)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1624768)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1634160)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1637874)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1639732)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1648200)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1637874)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1653770)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (208) [system] 'D'=(;)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1662238)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (207) [system] 'D'=')'
   Call: (207) [system] 'D'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1665952)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1667810)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (209) [system] 'D'=(;)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1676278)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'D')
   Call: (208) [system] 'D'='('
   Call: (208) [system] 'D'='['
   Call: (208) [system] 'D'='{'
   Call: (208) [system] 'D'='"'
   Call: (208) [system] 'D'=!
   Call: (208) [system] 'D'='\''
   Call: (208) [system] 'D'='`'
   Call: (208) [system] 'D'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1665952)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1686496)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1687430)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_1691222, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1695792)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1696726)
   Exit: (211) [system] peek_char((0x56051b6b4f40), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_1700518, v('(', ')', end_of_file), s)
   Call: (211) [system] ')'==s
   Call: (211) [system] get_char((0x56051b6b4f40), s)
   Exit: (211) [system] get_char((0x56051b6b4f40), s)
   Call: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1705088)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1706022)
   Exit: (212) [system] peek_char((0x56051b6b4f40), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_1709814, v('(', ')', end_of_file), j)
   Call: (212) [system] ')'==j
   Call: (212) [system] get_char((0x56051b6b4f40), j)
   Exit: (212) [system] get_char((0x56051b6b4f40), j)
   Call: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1714384)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1715318)
   Exit: (213) [system] peek_char((0x56051b6b4f40), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_1719110, v('(', ')', end_of_file), u)
   Call: (213) [system] ')'==u
   Call: (213) [system] get_char((0x56051b6b4f40), u)
   Exit: (213) [system] get_char((0x56051b6b4f40), u)
   Call: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1723680)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1724614)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1728406, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1732976)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1733910)
   Exit: (215) [system] peek_char((0x56051b6b4f40), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1737702, v('(', ')', end_of_file), c)
   Call: (215) [system] ')'==c
   Call: (215) [system] get_char((0x56051b6b4f40), c)
   Exit: (215) [system] get_char((0x56051b6b4f40), c)
   Call: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1742272)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1743206)
   Exit: (216) [system] peek_char((0x56051b6b4f40), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_1746998, v('(', ')', end_of_file), t)
   Call: (216) [system] ')'==t
   Call: (216) [system] get_char((0x56051b6b4f40), t)
   Exit: (216) [system] get_char((0x56051b6b4f40), t)
   Call: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1751568)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1752502)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1756294, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1760864)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1761798)
   Exit: (218) [system] peek_char((0x56051b6b4f40), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_1765590, v('(', ')', end_of_file), o)
   Call: (218) [system] ')'==o
   Call: (218) [system] get_char((0x56051b6b4f40), o)
   Exit: (218) [system] get_char((0x56051b6b4f40), o)
   Call: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1770160)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1771094)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1774886, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1779456)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1780390)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_1784182, v('(', ')', end_of_file), 'I')
   Call: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (220) [system] get_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1788752)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1789686)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1793478, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1798048)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1798982)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1802774, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1807344)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1808278)
   Exit: (223) [system] peek_char((0x56051b6b4f40), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1812070, v('(', ')', end_of_file), r)
   Call: (223) [system] ')'==r
   Call: (223) [system] get_char((0x56051b6b4f40), r)
   Exit: (223) [system] get_char((0x56051b6b4f40), r)
   Call: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1816640)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1817574)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1821366, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1825936)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1826870)
   Exit: (225) [system] peek_char((0x56051b6b4f40), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_1830662, v('(', ')', end_of_file), d)
   Call: (225) [system] ')'==d
   Call: (225) [system] get_char((0x56051b6b4f40), d)
   Exit: (225) [system] get_char((0x56051b6b4f40), d)
   Call: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1835232)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1836166)
   Exit: (226) [system] peek_char((0x56051b6b4f40), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_1839958, v('(', ')', end_of_file), u)
   Call: (226) [system] ')'==u
   Call: (226) [system] get_char((0x56051b6b4f40), u)
   Exit: (226) [system] get_char((0x56051b6b4f40), u)
   Call: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1844528)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1845462)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1849254, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1853824)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1854758)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1858550, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1863120)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1864054)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1867846, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1872416)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1873350)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1877142, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1881712)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1882646)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1886438, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1891008)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1891942)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1891008=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _1881712=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (230) [system] _1872416=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (229) [system] _1863120=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (228) [system] _1853824=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (227) [system] _1844528=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (226) [system] _1835232=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (225) [system] _1825936=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (224) [system] _1816640=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _1807344=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1798048=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1788752=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1779456=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1770160=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1760864=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1751568=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1742272=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1732976=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1723680=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1714384=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1705088=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1695792=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1686496=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1665952)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1962720, _1962722), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1665952), _1962696, fail)), '$restore_trace'(_1962720, _1962722))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1962720, _1962722))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1665952), _1962696, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_1665952)
   Call: (210) [system] atom_chars(_1665952, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1971172)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1973030)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1979840)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1982544)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1991936)
   Exit: (208) [system] peek_char((0x56051b6b4f40), a)
   Call: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1995650)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1997508)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _2005976)
   Exit: (209) [system] get_char((0x56051b6b4f40), a)
   Call: (209) [system] a='('
   Call: (209) [system] a='['
   Call: (209) [system] a='{'
   Call: (209) [system] a='"'
   Call: (209) [system] a=!
   Call: (209) [system] a='\''
   Call: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), a, _1995650)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2016194)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2017128)
   Exit: (211) [system] peek_char((0x56051b6b4f40), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_2020920, v('(', ')', end_of_file), b)
   Call: (211) [system] ')'==b
   Call: (211) [system] get_char((0x56051b6b4f40), b)
   Exit: (211) [system] get_char((0x56051b6b4f40), b)
   Call: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2025490)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2026424)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_2030216, v('(', ')', end_of_file), c)
   Call: (212) [system] ')'==c
   Call: (212) [system] get_char((0x56051b6b4f40), c)
   Exit: (212) [system] get_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2034786)
   Call: (213) [system] peek_char((0x56051b6b4f40), _2035720)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _2034786=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _2025490=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (211) [system] _2016194=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (210) [user] classify_and_convert_charseq(a, [b, c], _1995650)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_2050618, _2050620), once(user:catch(read_from_chars([a, b, c], _1995650), _2050594, fail)), '$restore_trace'(_2050618, _2050620))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_2050618, _2050620))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _2050594, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _2058118)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _2059976)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _2066786)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _2069490)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _2078882)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _2082596)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _2084454)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _2092922)
   Exit: (210) [system] get_char((0x56051b6b4f40), a)
   Call: (210) [system] a='('
   Call: (210) [system] a='['
   Call: (210) [system] a='{'
   Call: (210) [system] a='"'
   Call: (210) [system] a=!
   Call: (210) [system] a='\''
   Call: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), a, _4340)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _10668)
   Call: (212) [system] peek_char((0x56051b6b4f40), _11602)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_15394, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _10668=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq(a, [], _4340)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_21856, _21858), once(user:catch(read_from_chars([a], _4340), _21832, fail)), '$restore_trace'(_21856, _21858))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_21856, _21858))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _21832, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(a)
   Exit: (212) [system] atomic(a)
^  Exit: (211) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _29356)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _31214)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _39682)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _43472)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _29356=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _4336=[a]
   Exit: (209) [system] [a]=[a]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (208) [system] _4330=[abc, a]
   Exit: (208) [system] [abc, a]=[abc, a]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (207) [system] _4322=['DisjunctionIntroduction', abc, a]
   Exit: (207) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _57354)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _59212)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _67680)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _71470)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _57354=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _4318=[['DisjunctionIntroduction', abc, a]]
   Exit: (205) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, a]])
   Call: (204) [system] _4312=[abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (204) [system] [abc, ['DisjunctionIntroduction', abc, a]]=[abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', abc, a]])
   Call: (203) [system] _4304=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (203) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _85352)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _87210)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _94020)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _96724)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _106116)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _109830)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _111688)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _120156)
   Exit: (203) [system] get_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _109830)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _125726)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (205) [system] 'O'=(;)
^  Call: (205) [user] is_like_space('O')
   Call: (206) [system] char_type('O', 'white')
   Call: (206) [system] char_type('O', end_of_line)
   Call: (206) [system] char_type('O', space)
   Call: (206) [system] char_type('O', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _134194)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (204) [system] 'O'=')'
   Call: (204) [system] 'O'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _137908)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _139766)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (206) [system] 'O'=(;)
^  Call: (206) [user] is_like_space('O')
   Call: (207) [system] char_type('O', 'white')
   Call: (207) [system] char_type('O', end_of_line)
   Call: (207) [system] char_type('O', space)
   Call: (207) [system] char_type('O', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _148234)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'O')
   Call: (205) [system] 'O'='('
   Call: (205) [system] 'O'='['
   Call: (205) [system] 'O'='{'
   Call: (205) [system] 'O'='"'
   Call: (205) [system] 'O'=!
   Call: (205) [system] 'O'='\''
   Call: (205) [system] 'O'='`'
   Call: (205) [system] 'O'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _137908)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _158452)
   Call: (207) [system] peek_char((0x56051b6b4f40), _159386)
   Exit: (207) [system] peek_char((0x56051b6b4f40), r)
^  Call: (207) [user] is_delimiter(r)
   Call: (208) [system] char_type(r, space)
   Call: (208) [system] arg(_163178, v('(', ')', end_of_file), r)
   Call: (207) [system] ')'==r
   Call: (207) [system] get_char((0x56051b6b4f40), r)
   Exit: (207) [system] get_char((0x56051b6b4f40), r)
   Call: (207) [system] r=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _167748)
   Call: (208) [system] peek_char((0x56051b6b4f40), _168682)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (208) [user] is_delimiter('L')
   Call: (209) [system] char_type('L', space)
   Call: (209) [system] arg(_172474, v('(', ')', end_of_file), 'L')
   Call: (208) [system] ')'=='L'
   Call: (208) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (208) [system] get_char((0x56051b6b4f40), 'L')
   Call: (208) [system] 'L'=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _177044)
   Call: (209) [system] peek_char((0x56051b6b4f40), _177978)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_181770, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _186340)
   Call: (210) [system] peek_char((0x56051b6b4f40), _187274)
   Exit: (210) [system] peek_char((0x56051b6b4f40), n)
^  Call: (210) [user] is_delimiter(n)
   Call: (211) [system] char_type(n, space)
   Call: (211) [system] arg(_191066, v('(', ')', end_of_file), n)
   Call: (210) [system] ')'==n
   Call: (210) [system] get_char((0x56051b6b4f40), n)
   Exit: (210) [system] get_char((0x56051b6b4f40), n)
   Call: (210) [system] n=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _195636)
   Call: (211) [system] peek_char((0x56051b6b4f40), _196570)
   Exit: (211) [system] peek_char((0x56051b6b4f40), k)
^  Call: (211) [user] is_delimiter(k)
   Call: (212) [system] char_type(k, space)
   Call: (212) [system] arg(_200362, v('(', ')', end_of_file), k)
   Call: (211) [system] ')'==k
   Call: (211) [system] get_char((0x56051b6b4f40), k)
   Exit: (211) [system] get_char((0x56051b6b4f40), k)
   Call: (211) [system] k=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _204932)
   Call: (212) [system] peek_char((0x56051b6b4f40), _205866)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _204932=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _195636=[k]
   Exit: (211) [system] [k]=[k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (210) [system] _186340=[n, k]
   Exit: (210) [system] [n, k]=[n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (209) [system] _177044=[i, n, k]
   Exit: (209) [system] [i, n, k]=[i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (208) [system] _167748=['L', i, n, k]
   Exit: (208) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (207) [system] _158452=[r, 'L', i, n, k]
   Exit: (207) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (206) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _137908)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_229146, _229148), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _137908), _229122, fail)), '$restore_trace'(_229146, _229148))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_229146, _229148))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _137908), _229122, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_137908)
   Call: (207) [system] atom_chars(_137908, ['O', r, 'L', i, n, k])
   Exit: (207) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (206) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _237598)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _239456)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _246266)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _248970)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _258362)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _262076)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _263934)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _272402)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _262076)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _277972)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'=(;)
^  Call: (208) [user] is_like_space('I')
   Call: (209) [system] char_type('I', 'white')
   Call: (209) [system] char_type('I', end_of_line)
   Call: (209) [system] char_type('I', space)
   Call: (209) [system] char_type('I', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _286440)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (207) [system] 'I'=')'
   Call: (207) [system] 'I'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _290154)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _292012)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _300480)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'='('
   Call: (208) [system] 'I'='['
   Call: (208) [system] 'I'='{'
   Call: (208) [system] 'I'='"'
   Call: (208) [system] 'I'=!
   Call: (208) [system] 'I'='\''
   Call: (208) [system] 'I'='`'
   Call: (208) [system] 'I'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _290154)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _310698)
   Call: (210) [system] peek_char((0x56051b6b4f40), _311632)
   Exit: (210) [system] peek_char((0x56051b6b4f40), m)
^  Call: (210) [user] is_delimiter(m)
   Call: (211) [system] char_type(m, space)
   Call: (211) [system] arg(_315424, v('(', ')', end_of_file), m)
   Call: (210) [system] ')'==m
   Call: (210) [system] get_char((0x56051b6b4f40), m)
   Exit: (210) [system] get_char((0x56051b6b4f40), m)
   Call: (210) [system] m=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _319994)
   Call: (211) [system] peek_char((0x56051b6b4f40), _320928)
   Exit: (211) [system] peek_char((0x56051b6b4f40), p)
^  Call: (211) [user] is_delimiter(p)
   Call: (212) [system] char_type(p, space)
   Call: (212) [system] arg(_324720, v('(', ')', end_of_file), p)
   Call: (211) [system] ')'==p
   Call: (211) [system] get_char((0x56051b6b4f40), p)
   Exit: (211) [system] get_char((0x56051b6b4f40), p)
   Call: (211) [system] p=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _329290)
   Call: (212) [system] peek_char((0x56051b6b4f40), _330224)
   Exit: (212) [system] peek_char((0x56051b6b4f40), l)
^  Call: (212) [user] is_delimiter(l)
   Call: (213) [system] char_type(l, space)
   Call: (213) [system] arg(_334016, v('(', ')', end_of_file), l)
   Call: (212) [system] ')'==l
   Call: (212) [system] get_char((0x56051b6b4f40), l)
   Exit: (212) [system] get_char((0x56051b6b4f40), l)
   Call: (212) [system] l=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _338586)
   Call: (213) [system] peek_char((0x56051b6b4f40), _339520)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_343312, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _347882)
   Call: (214) [system] peek_char((0x56051b6b4f40), _348816)
   Exit: (214) [system] peek_char((0x56051b6b4f40), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_352608, v('(', ')', end_of_file), c)
   Call: (214) [system] ')'==c
   Call: (214) [system] get_char((0x56051b6b4f40), c)
   Exit: (214) [system] get_char((0x56051b6b4f40), c)
   Call: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _357178)
   Call: (215) [system] peek_char((0x56051b6b4f40), _358112)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
^  Call: (215) [user] is_delimiter(a)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] arg(_361904, v('(', ')', end_of_file), a)
   Call: (215) [system] ')'==a
   Call: (215) [system] get_char((0x56051b6b4f40), a)
   Exit: (215) [system] get_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _366474)
   Call: (216) [system] peek_char((0x56051b6b4f40), _367408)
   Exit: (216) [system] peek_char((0x56051b6b4f40), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_371200, v('(', ')', end_of_file), t)
   Call: (216) [system] ')'==t
   Call: (216) [system] get_char((0x56051b6b4f40), t)
   Exit: (216) [system] get_char((0x56051b6b4f40), t)
   Call: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _375770)
   Call: (217) [system] peek_char((0x56051b6b4f40), _376704)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_380496, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _385066)
   Call: (218) [system] peek_char((0x56051b6b4f40), _386000)
   Exit: (218) [system] peek_char((0x56051b6b4f40), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_389792, v('(', ')', end_of_file), o)
   Call: (218) [system] ')'==o
   Call: (218) [system] get_char((0x56051b6b4f40), o)
   Exit: (218) [system] get_char((0x56051b6b4f40), o)
   Call: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _394362)
   Call: (219) [system] peek_char((0x56051b6b4f40), _395296)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_399088, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _403658)
   Call: (220) [system] peek_char((0x56051b6b4f40), _404592)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _403658=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _394362=[n]
   Exit: (219) [system] [n]=[n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (218) [system] _385066=[o, n]
   Exit: (218) [system] [o, n]=[o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (217) [system] _375770=[i, o, n]
   Exit: (217) [system] [i, o, n]=[i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (216) [system] _366474=[t, i, o, n]
   Exit: (216) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (215) [system] _357178=[a, t, i, o, n]
   Exit: (215) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (214) [system] _347882=[c, a, t, i, o, n]
   Exit: (214) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (213) [system] _338586=[i, c, a, t, i, o, n]
   Exit: (213) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (212) [system] _329290=[l, i, c, a, t, i, o, n]
   Exit: (212) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (211) [system] _319994=[p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (210) [system] _310698=[m, p, l, i, c, a, t, i, o, n]
   Exit: (210) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _290154)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_441842, _441844), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _290154), _441818, fail)), '$restore_trace'(_441842, _441844))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_441842, _441844))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _290154), _441818, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_290154)
   Call: (210) [system] atom_chars(_290154, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (210) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _450294)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _452152)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _458962)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _461666)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _471058)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _474772)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _476630)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _485098)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _474772)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _490668)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=(;)
^  Call: (211) [user] is_like_space('A')
   Call: (212) [system] char_type('A', 'white')
   Call: (212) [system] char_type('A', end_of_line)
   Call: (212) [system] char_type('A', space)
   Call: (212) [system] char_type('A', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _499136)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (210) [system] 'A'=')'
   Call: (210) [system] 'A'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _502850)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _504708)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _513176)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'='('
   Call: (211) [system] 'A'='['
   Call: (211) [system] 'A'='{'
   Call: (211) [system] 'A'='"'
   Call: (211) [system] 'A'=!
   Call: (211) [system] 'A'='\''
   Call: (211) [system] 'A'='`'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _502850)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _523394)
   Call: (213) [system] peek_char((0x56051b6b4f40), _524328)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_528120, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _532690)
   Call: (214) [system] peek_char((0x56051b6b4f40), _533624)
   Exit: (214) [system] peek_char((0x56051b6b4f40), d)
^  Call: (214) [user] is_delimiter(d)
   Call: (215) [system] char_type(d, space)
   Call: (215) [system] arg(_537416, v('(', ')', end_of_file), d)
   Call: (214) [system] ')'==d
   Call: (214) [system] get_char((0x56051b6b4f40), d)
   Exit: (214) [system] get_char((0x56051b6b4f40), d)
   Call: (214) [system] d=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _541986)
   Call: (215) [system] peek_char((0x56051b6b4f40), _542920)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_546712, v('(', ')', end_of_file), 'L')
   Call: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (215) [system] get_char((0x56051b6b4f40), 'L')
   Call: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _551282)
   Call: (216) [system] peek_char((0x56051b6b4f40), _552216)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_556008, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _560578)
   Call: (217) [system] peek_char((0x56051b6b4f40), _561512)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_565304, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _569874)
   Call: (218) [system] peek_char((0x56051b6b4f40), _570808)
   Exit: (218) [system] peek_char((0x56051b6b4f40), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_574600, v('(', ')', end_of_file), k)
   Call: (218) [system] ')'==k
   Call: (218) [system] get_char((0x56051b6b4f40), k)
   Exit: (218) [system] get_char((0x56051b6b4f40), k)
   Call: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _579170)
   Call: (219) [system] peek_char((0x56051b6b4f40), _580104)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _579170=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _569874=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (217) [system] _560578=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (216) [system] _551282=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (215) [system] _541986=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (214) [system] _532690=[d, 'L', i, n, k]
   Exit: (214) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (213) [system] _523394=[n, d, 'L', i, n, k]
   Exit: (213) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _502850)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_606178, _606180), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _502850), _606154, fail)), '$restore_trace'(_606178, _606180))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_606178, _606180))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _502850), _606154, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_502850)
   Call: (213) [system] atom_chars(_502850, ['A', n, d, 'L', i, n, k])
   Exit: (213) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _614630)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _616488)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _623298)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _626002)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _635394)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _639108)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _640966)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _649434)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _639108)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _659652)
   Call: (214) [system] peek_char((0x56051b6b4f40), _660586)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _659652=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq('A', [], _639108)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_669896, _669898), once(user:catch(read_from_chars(['A'], _639108), _669872, fail)), '$restore_trace'(_669896, _669898))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_669896, _669898))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _639108), _669872, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_639108)
   Call: (214) [system] atom_chars(_639108, ['A'])
   Exit: (214) [system] atom_chars('A', ['A'])
^  Exit: (213) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _678348)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _680206)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _687016)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _689720)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _699112)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _702826)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _704684)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _713152)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'B')
   Call: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _702826)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _723370)
   Call: (215) [system] peek_char((0x56051b6b4f40), _724304)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_728096, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _723370=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('B', [], _702826)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_734558, _734560), once(user:catch(read_from_chars(['B'], _702826), _734534, fail)), '$restore_trace'(_734558, _734560))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_734558, _734560))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _702826), _734534, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_702826)
   Call: (215) [system] atom_chars(_702826, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _743010)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _744868)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _753336)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _757126)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _743010=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _678348=['B']
   Exit: (212) [system] ['B']=['B']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (211) [system] _614630=['A', 'B']
   Exit: (211) [system] ['A', 'B']=['A', 'B']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (210) [system] _474772=['AndLink', 'A', 'B']
   Exit: (210) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _771008)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _772866)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _779676)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _782380)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _791772)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (209) [system] 'C'=')'
   Call: (209) [system] 'C'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _795486)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _797344)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=(;)
^  Call: (211) [user] is_like_space('C')
   Call: (212) [system] char_type('C', 'white')
   Call: (212) [system] char_type('C', end_of_line)
   Call: (212) [system] char_type('C', space)
   Call: (212) [system] char_type('C', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _805812)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'='('
   Call: (210) [system] 'C'='['
   Call: (210) [system] 'C'='{'
   Call: (210) [system] 'C'='"'
   Call: (210) [system] 'C'=!
   Call: (210) [system] 'C'='\''
   Call: (210) [system] 'C'='`'
   Call: (210) [system] 'C'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _795486)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _816030)
   Call: (212) [system] peek_char((0x56051b6b4f40), _816964)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (212) [user] is_delimiter(')')
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] arg(_820756, v('(', ')', end_of_file), ')')
   Exit: (213) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (212) [user] is_delimiter(')')
   Call: (212) [system] _816030=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq('C', [], _795486)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_827218, _827220), once(user:catch(read_from_chars(['C'], _795486), _827194, fail)), '$restore_trace'(_827218, _827220))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_827218, _827220))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _795486), _827194, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_795486)
   Call: (212) [system] atom_chars(_795486, ['C'])
   Exit: (212) [system] atom_chars('C', ['C'])
^  Exit: (211) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _835670)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _837528)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _845996)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _849786)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _835670=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _771008=['C']
   Exit: (209) [system] ['C']=['C']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (208) [system] _450294=[['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (207) [system] _262076=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (207) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _863668)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _865526)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _872336)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _875040)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _884432)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _888146)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _890004)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _898472)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _888146)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _904042)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _912510)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _916224)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _918082)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _926550)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _916224)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _936768)
   Call: (211) [system] peek_char((0x56051b6b4f40), _937702)
   Exit: (211) [system] peek_char((0x56051b6b4f40), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_941494, v('(', ')', end_of_file), r)
   Call: (211) [system] ')'==r
   Call: (211) [system] get_char((0x56051b6b4f40), r)
   Exit: (211) [system] get_char((0x56051b6b4f40), r)
   Call: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _946064)
   Call: (212) [system] peek_char((0x56051b6b4f40), _946998)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_950790, v('(', ')', end_of_file), 'L')
   Call: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (212) [system] get_char((0x56051b6b4f40), 'L')
   Call: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _955360)
   Call: (213) [system] peek_char((0x56051b6b4f40), _956294)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_960086, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _964656)
   Call: (214) [system] peek_char((0x56051b6b4f40), _965590)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_969382, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _973952)
   Call: (215) [system] peek_char((0x56051b6b4f40), _974886)
   Exit: (215) [system] peek_char((0x56051b6b4f40), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_978678, v('(', ')', end_of_file), k)
   Call: (215) [system] ')'==k
   Call: (215) [system] get_char((0x56051b6b4f40), k)
   Exit: (215) [system] get_char((0x56051b6b4f40), k)
   Call: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _983248)
   Call: (216) [system] peek_char((0x56051b6b4f40), _984182)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _983248=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _973952=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (214) [system] _964656=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (213) [system] _955360=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (212) [system] _946064=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (211) [system] _936768=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _916224)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1007462, _1007464), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _916224), _1007438, fail)), '$restore_trace'(_1007462, _1007464))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1007462, _1007464))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _916224), _1007438, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_916224)
   Call: (211) [system] atom_chars(_916224, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1015914)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1017772)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1024582)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1027286)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1036678)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1040392)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1042250)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1050718)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1040392)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1056288)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1064756)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1068470)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1070328)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1078796)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1068470)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1089014)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1089948)
   Exit: (214) [system] peek_char((0x56051b6b4f40), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1093740, v('(', ')', end_of_file), m)
   Call: (214) [system] ')'==m
   Call: (214) [system] get_char((0x56051b6b4f40), m)
   Exit: (214) [system] get_char((0x56051b6b4f40), m)
   Call: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1098310)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1099244)
   Exit: (215) [system] peek_char((0x56051b6b4f40), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1103036, v('(', ')', end_of_file), p)
   Call: (215) [system] ')'==p
   Call: (215) [system] get_char((0x56051b6b4f40), p)
   Exit: (215) [system] get_char((0x56051b6b4f40), p)
   Call: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1107606)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1108540)
   Exit: (216) [system] peek_char((0x56051b6b4f40), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1112332, v('(', ')', end_of_file), l)
   Call: (216) [system] ')'==l
   Call: (216) [system] get_char((0x56051b6b4f40), l)
   Exit: (216) [system] get_char((0x56051b6b4f40), l)
   Call: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1116902)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1117836)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1121628, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1126198)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1127132)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1130924, v('(', ')', end_of_file), c)
   Call: (218) [system] ')'==c
   Call: (218) [system] get_char((0x56051b6b4f40), c)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1135494)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1136428)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1140220, v('(', ')', end_of_file), a)
   Call: (219) [system] ')'==a
   Call: (219) [system] get_char((0x56051b6b4f40), a)
   Exit: (219) [system] get_char((0x56051b6b4f40), a)
   Call: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1144790)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1145724)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1149516, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1154086)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1155020)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1158812, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1163382)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1164316)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1168108, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1172678)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1173612)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1177404, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1181974)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1182908)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1181974=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1172678=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (222) [system] _1163382=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (221) [system] _1154086=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (220) [system] _1144790=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (219) [system] _1135494=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (218) [system] _1126198=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (217) [system] _1116902=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (216) [system] _1107606=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1098310=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1089014=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1068470)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1220158, _1220160), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1068470), _1220134, fail)), '$restore_trace'(_1220158, _1220160))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1220158, _1220160))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1068470), _1220134, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1068470)
   Call: (214) [system] atom_chars(_1068470, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1228610)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1230468)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1237278)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1239982)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1249374)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1253088)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1254946)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1263414)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1253088)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1268984)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1277452)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1281166)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1283024)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1291492)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1281166)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1301710)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1302644)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1306436, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1311006)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1311940)
   Exit: (218) [system] peek_char((0x56051b6b4f40), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1315732, v('(', ')', end_of_file), d)
   Call: (218) [system] ')'==d
   Call: (218) [system] get_char((0x56051b6b4f40), d)
   Exit: (218) [system] get_char((0x56051b6b4f40), d)
   Call: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1320302)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1321236)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1325028, v('(', ')', end_of_file), 'L')
   Call: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'L')
   Call: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1329598)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1330532)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1334324, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1338894)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1339828)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1343620, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1348190)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1349124)
   Exit: (222) [system] peek_char((0x56051b6b4f40), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1352916, v('(', ')', end_of_file), k)
   Call: (222) [system] ')'==k
   Call: (222) [system] get_char((0x56051b6b4f40), k)
   Exit: (222) [system] get_char((0x56051b6b4f40), k)
   Call: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1357486)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1358420)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1357486=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1348190=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (221) [system] _1338894=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (220) [system] _1329598=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (219) [system] _1320302=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (218) [system] _1311006=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (217) [system] _1301710=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1281166)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1384494, _1384496), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1281166), _1384470, fail)), '$restore_trace'(_1384494, _1384496))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1384494, _1384496))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1281166), _1384470, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1281166)
   Call: (217) [system] atom_chars(_1281166, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1392946)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1394804)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1401614)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1404318)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1413710)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1417424)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1419282)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1427750)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1417424)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1437968)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1438902)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1437968=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('A', [], _1417424)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1448212, _1448214), once(user:catch(read_from_chars(['A'], _1417424), _1448188, fail)), '$restore_trace'(_1448212, _1448214))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1448212, _1448214))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1417424), _1448188, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1417424)
   Call: (218) [system] atom_chars(_1417424, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1456664)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1458522)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1465332)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1468036)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1477428)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1481142)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1483000)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1491468)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1481142)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1501686)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1502620)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1506412, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1501686=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq('B', [], _1481142)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1512874, _1512876), once(user:catch(read_from_chars(['B'], _1481142), _1512850, fail)), '$restore_trace'(_1512874, _1512876))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1512874, _1512876))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1481142), _1512850, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1481142)
   Call: (219) [system] atom_chars(_1481142, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1521326)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1523184)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1531652)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _1535442)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _1521326=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1456664=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (215) [system] _1392946=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (214) [system] _1253088=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1549324)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1551182)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1557992)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1560696)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1570088)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1573802)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1575660)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1584128)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1573802)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1594346)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1595280)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1599072, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1594346=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('C', [], _1573802)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1605534, _1605536), once(user:catch(read_from_chars(['C'], _1573802), _1605510, fail)), '$restore_trace'(_1605534, _1605536))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1605534, _1605536))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1573802), _1605510, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1573802)
   Call: (216) [system] atom_chars(_1573802, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1613986)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1615844)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1624312)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _1628102)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _1613986=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _1549324=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (212) [system] _1228610=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _1040392=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1641984)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1643842)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1650652)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1653356)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1662748)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (210) [system] 'B'=')'
   Call: (210) [system] 'B'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1666462)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1668320)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=(;)
^  Call: (212) [user] is_like_space('B')
   Call: (213) [system] char_type('B', 'white')
   Call: (213) [system] char_type('B', end_of_line)
   Call: (213) [system] char_type('B', space)
   Call: (213) [system] char_type('B', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1676788)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'B')
   Call: (211) [system] 'B'='('
   Call: (211) [system] 'B'='['
   Call: (211) [system] 'B'='{'
   Call: (211) [system] 'B'='"'
   Call: (211) [system] 'B'=!
   Call: (211) [system] 'B'='\''
   Call: (211) [system] 'B'='`'
   Call: (211) [system] 'B'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1666462)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1687006)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1687940)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1691732, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1687006=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq('B', [], _1666462)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1698194, _1698196), once(user:catch(read_from_chars(['B'], _1666462), _1698170, fail)), '$restore_trace'(_1698194, _1698196))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1698194, _1698196))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1666462), _1698170, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1666462)
   Call: (213) [system] atom_chars(_1666462, ['B'])
   Exit: (213) [system] atom_chars('B', ['B'])
^  Exit: (212) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1706646)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1708504)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1716972)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _1720762)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _1706646=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1641984=['B']
   Exit: (210) [system] ['B']=['B']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (209) [system] _1015914=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (208) [system] _888146=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (208) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1734644)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1736502)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1744970)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x56051b6b4f40), _1748760)
   Exit: (207) [system] get_char((0x56051b6b4f40), ')')
   Call: (207) [system] _1734644=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (206) [system] _863668=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (206) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (205) [system] _237598=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (205) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (204) [system] _109830=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (204) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1762642)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1764500)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=(;)
^  Call: (204) [user] is_like_space(')')
   Call: (205) [system] char_type(')', 'white')
   Call: (205) [system] char_type(')', end_of_line)
   Call: (205) [system] char_type(')', space)
   Call: (205) [system] char_type(')', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1772968)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ')')
   Call: (203) [system] ')'=')'
   Exit: (203) [system] ')'=')'
   Call: (203) [system] get_char((0x56051b6b4f40), _1776758)
   Exit: (203) [system] get_char((0x56051b6b4f40), ')')
   Call: (203) [system] _1762642=[]
   Exit: (203) [system] []=[]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (202) [system] _85352=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (202) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (201) [system] _4300=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (201) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (200) [system] _4292=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (200) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (199) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Exit: (198) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Call: (198) [user] read_list(')', (0x56051b6b4f40), _1790640)
^  Call: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1792498)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (200) [system] '\n'=(;)
^  Call: (200) [user] is_like_space('\n')
   Call: (201) [system] char_type('\n', 'white')
   Call: (201) [system] char_type('\n', end_of_line)
   Exit: (201) [system] char_type('\n', end_of_line)
^  Exit: (200) [user] is_like_space('\n')
   Call: (200) [system] get_char((0x56051b6b4f40), _1800114)
   Exit: (200) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1802818)
   Exit: (201) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (201) [system] ' '=(;)
^  Call: (201) [user] is_like_space(' ')
   Call: (202) [system] char_type(' ', 'white')
   Exit: (202) [system] char_type(' ', 'white')
^  Exit: (201) [user] is_like_space(' ')
   Call: (201) [system] get_char((0x56051b6b4f40), _1809628)
   Exit: (201) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1812332)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (199) [user] skip_spaces((0x56051b6b4f40))
   Call: (199) [system] peek_char((0x56051b6b4f40), _1822648)
   Exit: (199) [system] peek_char((0x56051b6b4f40), '(')
   Call: (199) [system] '('=')'
   Call: (199) [system] '('=end_of_file
^  Call: (199) [user] cont_sexpr(')', (0x56051b6b4f40), _1826362)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1828220)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=(;)
^  Call: (201) [user] is_like_space('(')
   Call: (202) [system] char_type('(', 'white')
   Call: (202) [system] char_type('(', end_of_line)
   Call: (202) [system] char_type('(', space)
   Call: (202) [system] char_type('(', cntrl)
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] get_char((0x56051b6b4f40), _1836688)
   Exit: (200) [system] get_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('='('
   Exit: (200) [system] '('='('
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1826362)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1842258)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=(;)
^  Call: (202) [user] is_like_space(:)
   Call: (203) [system] char_type(:, 'white')
   Call: (203) [system] char_type(:, end_of_line)
   Call: (203) [system] char_type(:, space)
   Call: (203) [system] char_type(:, cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1850726)
   Exit: (201) [system] peek_char((0x56051b6b4f40), :)
   Call: (201) [system] (:)=')'
   Call: (201) [system] (:)=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1854440)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1856298)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1864766)
   Exit: (202) [system] get_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)='('
   Call: (202) [system] (:)='['
   Call: (202) [system] (:)='{'
   Call: (202) [system] (:)='"'
   Call: (202) [system] (:)=!
   Call: (202) [system] (:)='\''
   Call: (202) [system] (:)='`'
   Call: (202) [system] (:)=end_of_file
^  Call: (202) [user] read_symbolic(')', (0x56051b6b4f40), :, _1854440)
^  Call: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1874984)
   Call: (204) [system] peek_char((0x56051b6b4f40), _1875918)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] is_delimiter(' ')
   Call: (205) [system] char_type(' ', space)
   Exit: (205) [system] char_type(' ', space)
^  Exit: (204) [user] is_delimiter(' ')
   Call: (204) [system] _1874984=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (203) [user] classify_and_convert_charseq(:, [], _1854440)
^  Call: (205) [system] setup_call_cleanup('$notrace'(_1885228, _1885230), once(user:catch(read_from_chars([:], _1854440), _1885204, fail)), '$restore_trace'(_1885228, _1885230))
^  Call: (206) [system] sig_atomic(system:'$notrace'(_1885228, _1885230))
^  Exit: (205) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1885204, fail)), system:'$restore_trace'(3, -1))
   Call: (204) [system] atomic(:)
   Exit: (204) [system] atomic(:)
^  Exit: (203) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (202) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1892728)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1894586)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1901396)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1904100)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1913492)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1917206)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1919064)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1927532)
   Exit: (203) [system] get_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1917206)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1933102)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (205) [system] 'D'=(;)
^  Call: (205) [user] is_like_space('D')
   Call: (206) [system] char_type('D', 'white')
   Call: (206) [system] char_type('D', end_of_line)
   Call: (206) [system] char_type('D', space)
   Call: (206) [system] char_type('D', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1941570)
   Exit: (204) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (204) [system] 'D'=')'
   Call: (204) [system] 'D'=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1945284)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1947142)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (206) [system] 'D'=(;)
^  Call: (206) [user] is_like_space('D')
   Call: (207) [system] char_type('D', 'white')
   Call: (207) [system] char_type('D', end_of_line)
   Call: (207) [system] char_type('D', space)
   Call: (207) [system] char_type('D', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1955610)
   Exit: (205) [system] get_char((0x56051b6b4f40), 'D')
   Call: (205) [system] 'D'='('
   Call: (205) [system] 'D'='['
   Call: (205) [system] 'D'='{'
   Call: (205) [system] 'D'='"'
   Call: (205) [system] 'D'=!
   Call: (205) [system] 'D'='\''
   Call: (205) [system] 'D'='`'
   Call: (205) [system] 'D'=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1945284)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1965828)
   Call: (207) [system] peek_char((0x56051b6b4f40), _1966762)
   Exit: (207) [system] peek_char((0x56051b6b4f40), i)
^  Call: (207) [user] is_delimiter(i)
   Call: (208) [system] char_type(i, space)
   Call: (208) [system] arg(_1970554, v('(', ')', end_of_file), i)
   Call: (207) [system] ')'==i
   Call: (207) [system] get_char((0x56051b6b4f40), i)
   Exit: (207) [system] get_char((0x56051b6b4f40), i)
   Call: (207) [system] i=(\)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1975124)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1976058)
   Exit: (208) [system] peek_char((0x56051b6b4f40), s)
^  Call: (208) [user] is_delimiter(s)
   Call: (209) [system] char_type(s, space)
   Call: (209) [system] arg(_1979850, v('(', ')', end_of_file), s)
   Call: (208) [system] ')'==s
   Call: (208) [system] get_char((0x56051b6b4f40), s)
   Exit: (208) [system] get_char((0x56051b6b4f40), s)
   Call: (208) [system] s=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1984420)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1985354)
   Exit: (209) [system] peek_char((0x56051b6b4f40), j)
^  Call: (209) [user] is_delimiter(j)
   Call: (210) [system] char_type(j, space)
   Call: (210) [system] arg(_1989146, v('(', ')', end_of_file), j)
   Call: (209) [system] ')'==j
   Call: (209) [system] get_char((0x56051b6b4f40), j)
   Exit: (209) [system] get_char((0x56051b6b4f40), j)
   Call: (209) [system] j=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1993716)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1994650)
   Exit: (210) [system] peek_char((0x56051b6b4f40), u)
^  Call: (210) [user] is_delimiter(u)
   Call: (211) [system] char_type(u, space)
   Call: (211) [system] arg(_1998442, v('(', ')', end_of_file), u)
   Call: (210) [system] ')'==u
   Call: (210) [system] get_char((0x56051b6b4f40), u)
   Exit: (210) [system] get_char((0x56051b6b4f40), u)
   Call: (210) [system] u=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2003012)
   Call: (211) [system] peek_char((0x56051b6b4f40), _2003946)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_2007738, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2012308)
   Call: (212) [system] peek_char((0x56051b6b4f40), _2013242)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_2017034, v('(', ')', end_of_file), c)
   Call: (212) [system] ')'==c
   Call: (212) [system] get_char((0x56051b6b4f40), c)
   Exit: (212) [system] get_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2021604)
   Call: (213) [system] peek_char((0x56051b6b4f40), _2022538)
   Exit: (213) [system] peek_char((0x56051b6b4f40), t)
^  Call: (213) [user] is_delimiter(t)
   Call: (214) [system] char_type(t, space)
   Call: (214) [system] arg(_2026330, v('(', ')', end_of_file), t)
   Call: (213) [system] ')'==t
   Call: (213) [system] get_char((0x56051b6b4f40), t)
   Exit: (213) [system] get_char((0x56051b6b4f40), t)
   Call: (213) [system] t=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2030900)
   Call: (214) [system] peek_char((0x56051b6b4f40), _2031834)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_2035626, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2040196)
   Call: (215) [system] peek_char((0x56051b6b4f40), _2041130)
   Exit: (215) [system] peek_char((0x56051b6b4f40), o)
^  Call: (215) [user] is_delimiter(o)
   Call: (216) [system] char_type(o, space)
   Call: (216) [system] arg(_2044922, v('(', ')', end_of_file), o)
   Call: (215) [system] ')'==o
   Call: (215) [system] get_char((0x56051b6b4f40), o)
   Exit: (215) [system] get_char((0x56051b6b4f40), o)
   Call: (215) [system] o=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2049492)
   Call: (216) [system] peek_char((0x56051b6b4f40), _2050426)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_2054218, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2058788)
   Call: (217) [system] peek_char((0x56051b6b4f40), _2059722)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (217) [user] is_delimiter('I')
   Call: (218) [system] char_type('I', space)
   Call: (218) [system] arg(_2063514, v('(', ')', end_of_file), 'I')
   Call: (217) [system] ')'=='I'
   Call: (217) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (217) [system] get_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2068084)
   Call: (218) [system] peek_char((0x56051b6b4f40), _2069018)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_2072810, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2077380)
   Call: (219) [system] peek_char((0x56051b6b4f40), _2078314)
   Exit: (219) [system] peek_char((0x56051b6b4f40), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_2082106, v('(', ')', end_of_file), t)
   Call: (219) [system] ')'==t
   Call: (219) [system] get_char((0x56051b6b4f40), t)
   Exit: (219) [system] get_char((0x56051b6b4f40), t)
   Call: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2086676)
   Call: (220) [system] peek_char((0x56051b6b4f40), _2087610)
   Exit: (220) [system] peek_char((0x56051b6b4f40), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_2091402, v('(', ')', end_of_file), r)
   Call: (220) [system] ')'==r
   Call: (220) [system] get_char((0x56051b6b4f40), r)
   Exit: (220) [system] get_char((0x56051b6b4f40), r)
   Call: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2095972)
   Call: (221) [system] peek_char((0x56051b6b4f40), _4542)
   Exit: (221) [system] peek_char((0x56051b6b4f40), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_8280, v('(', ')', end_of_file), o)
   Call: (221) [system] ')'==o
   Call: (221) [system] get_char((0x56051b6b4f40), o)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _12850)
   Call: (222) [system] peek_char((0x56051b6b4f40), _13784)
   Exit: (222) [system] peek_char((0x56051b6b4f40), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_17576, v('(', ')', end_of_file), d)
   Call: (222) [system] ')'==d
   Call: (222) [system] get_char((0x56051b6b4f40), d)
   Exit: (222) [system] get_char((0x56051b6b4f40), d)
   Call: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _22146)
   Call: (223) [system] peek_char((0x56051b6b4f40), _23080)
   Exit: (223) [system] peek_char((0x56051b6b4f40), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_26872, v('(', ')', end_of_file), u)
   Call: (223) [system] ')'==u
   Call: (223) [system] get_char((0x56051b6b4f40), u)
   Exit: (223) [system] get_char((0x56051b6b4f40), u)
   Call: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _31442)
   Call: (224) [system] peek_char((0x56051b6b4f40), _32376)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_36168, v('(', ')', end_of_file), c)
   Call: (224) [system] ')'==c
   Call: (224) [system] get_char((0x56051b6b4f40), c)
   Exit: (224) [system] get_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _40738)
   Call: (225) [system] peek_char((0x56051b6b4f40), _41672)
   Exit: (225) [system] peek_char((0x56051b6b4f40), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_45464, v('(', ')', end_of_file), t)
   Call: (225) [system] ')'==t
   Call: (225) [system] get_char((0x56051b6b4f40), t)
   Exit: (225) [system] get_char((0x56051b6b4f40), t)
   Call: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _50034)
   Call: (226) [system] peek_char((0x56051b6b4f40), _50968)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_54760, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _59330)
   Call: (227) [system] peek_char((0x56051b6b4f40), _60264)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_64056, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _68626)
   Call: (228) [system] peek_char((0x56051b6b4f40), _69560)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_73352, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _77922)
   Call: (229) [system] peek_char((0x56051b6b4f40), _78856)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _77922=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _68626=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (227) [system] _59330=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (226) [system] _50034=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (225) [system] _40738=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (224) [system] _31442=[c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (223) [system] _22146=[u, c, t, i, o, n]
   Exit: (223) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (222) [system] _12850=[d, u, c, t, i, o, n]
   Exit: (222) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (221) [system] _4538=[o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (220) [system] _4534=[r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4530=[t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4526=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4522=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4518=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4514=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4510=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4506=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4502=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4498=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4494=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _4490=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _4486=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (207) [system] _4482=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (207) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (206) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4478)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_149634, _149636), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4478), _149610, fail)), '$restore_trace'(_149634, _149636))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_149634, _149636))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4478), _149610, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(_4478)
   Call: (207) [system] atom_chars(_4478, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (207) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (206) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _158086)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _159944)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _166754)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _169458)
   Exit: (207) [system] peek_char((0x56051b6b4f40), a)
   Call: (207) [system] a=(;)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _178850)
   Exit: (205) [system] peek_char((0x56051b6b4f40), a)
   Call: (205) [system] a=')'
   Call: (205) [system] a=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _182564)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _184422)
   Exit: (207) [system] peek_char((0x56051b6b4f40), a)
   Call: (207) [system] a=(;)
^  Call: (207) [user] is_like_space(a)
   Call: (208) [system] char_type(a, 'white')
   Call: (208) [system] char_type(a, end_of_line)
   Call: (208) [system] char_type(a, space)
   Call: (208) [system] char_type(a, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _192890)
   Exit: (206) [system] get_char((0x56051b6b4f40), a)
   Call: (206) [system] a='('
   Call: (206) [system] a='['
   Call: (206) [system] a='{'
   Call: (206) [system] a='"'
   Call: (206) [system] a=!
   Call: (206) [system] a='\''
   Call: (206) [system] a='`'
   Call: (206) [system] a=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), a, _182564)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _203108)
   Call: (208) [system] peek_char((0x56051b6b4f40), _204042)
   Exit: (208) [system] peek_char((0x56051b6b4f40), b)
^  Call: (208) [user] is_delimiter(b)
   Call: (209) [system] char_type(b, space)
   Call: (209) [system] arg(_207834, v('(', ')', end_of_file), b)
   Call: (208) [system] ')'==b
   Call: (208) [system] get_char((0x56051b6b4f40), b)
   Exit: (208) [system] get_char((0x56051b6b4f40), b)
   Call: (208) [system] b=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _212404)
   Call: (209) [system] peek_char((0x56051b6b4f40), _213338)
   Exit: (209) [system] peek_char((0x56051b6b4f40), c)
^  Call: (209) [user] is_delimiter(c)
   Call: (210) [system] char_type(c, space)
   Call: (210) [system] arg(_217130, v('(', ')', end_of_file), c)
   Call: (209) [system] ')'==c
   Call: (209) [system] get_char((0x56051b6b4f40), c)
   Exit: (209) [system] get_char((0x56051b6b4f40), c)
   Call: (209) [system] c=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _221700)
   Call: (210) [system] peek_char((0x56051b6b4f40), _222634)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _221700=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (209) [system] _212404=[c]
   Exit: (209) [system] [c]=[c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (208) [system] _203108=[b, c]
   Exit: (208) [system] [b, c]=[b, c]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (207) [user] classify_and_convert_charseq(a, [b, c], _182564)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_237532, _237534), once(user:catch(read_from_chars([a, b, c], _182564), _237508, fail)), '$restore_trace'(_237532, _237534))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_237532, _237534))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _237508, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(abc)
   Exit: (208) [system] atomic(abc)
^  Exit: (207) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _245032)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _246890)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _253700)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _256404)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _265796)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _269510)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _271368)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _279836)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _269510)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _285406)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (209) [system] 'D'=(;)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _293874)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (208) [system] 'D'=')'
   Call: (208) [system] 'D'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _297588)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _299446)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (210) [system] 'D'=(;)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _307914)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'D')
   Call: (209) [system] 'D'='('
   Call: (209) [system] 'D'='['
   Call: (209) [system] 'D'='{'
   Call: (209) [system] 'D'='"'
   Call: (209) [system] 'D'=!
   Call: (209) [system] 'D'='\''
   Call: (209) [system] 'D'='`'
   Call: (209) [system] 'D'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _297588)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _318132)
   Call: (211) [system] peek_char((0x56051b6b4f40), _319066)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_322858, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _327428)
   Call: (212) [system] peek_char((0x56051b6b4f40), _328362)
   Exit: (212) [system] peek_char((0x56051b6b4f40), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_332154, v('(', ')', end_of_file), s)
   Call: (212) [system] ')'==s
   Call: (212) [system] get_char((0x56051b6b4f40), s)
   Exit: (212) [system] get_char((0x56051b6b4f40), s)
   Call: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _336724)
   Call: (213) [system] peek_char((0x56051b6b4f40), _337658)
   Exit: (213) [system] peek_char((0x56051b6b4f40), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_341450, v('(', ')', end_of_file), j)
   Call: (213) [system] ')'==j
   Call: (213) [system] get_char((0x56051b6b4f40), j)
   Exit: (213) [system] get_char((0x56051b6b4f40), j)
   Call: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _346020)
   Call: (214) [system] peek_char((0x56051b6b4f40), _346954)
   Exit: (214) [system] peek_char((0x56051b6b4f40), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_350746, v('(', ')', end_of_file), u)
   Call: (214) [system] ')'==u
   Call: (214) [system] get_char((0x56051b6b4f40), u)
   Exit: (214) [system] get_char((0x56051b6b4f40), u)
   Call: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _355316)
   Call: (215) [system] peek_char((0x56051b6b4f40), _356250)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_360042, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _364612)
   Call: (216) [system] peek_char((0x56051b6b4f40), _365546)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_369338, v('(', ')', end_of_file), c)
   Call: (216) [system] ')'==c
   Call: (216) [system] get_char((0x56051b6b4f40), c)
   Exit: (216) [system] get_char((0x56051b6b4f40), c)
   Call: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _373908)
   Call: (217) [system] peek_char((0x56051b6b4f40), _374842)
   Exit: (217) [system] peek_char((0x56051b6b4f40), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_378634, v('(', ')', end_of_file), t)
   Call: (217) [system] ')'==t
   Call: (217) [system] get_char((0x56051b6b4f40), t)
   Exit: (217) [system] get_char((0x56051b6b4f40), t)
   Call: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _383204)
   Call: (218) [system] peek_char((0x56051b6b4f40), _384138)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_387930, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _392500)
   Call: (219) [system] peek_char((0x56051b6b4f40), _393434)
   Exit: (219) [system] peek_char((0x56051b6b4f40), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_397226, v('(', ')', end_of_file), o)
   Call: (219) [system] ')'==o
   Call: (219) [system] get_char((0x56051b6b4f40), o)
   Exit: (219) [system] get_char((0x56051b6b4f40), o)
   Call: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _401796)
   Call: (220) [system] peek_char((0x56051b6b4f40), _402730)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_406522, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _411092)
   Call: (221) [system] peek_char((0x56051b6b4f40), _412026)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_415818, v('(', ')', end_of_file), 'I')
   Call: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (221) [system] get_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _420388)
   Call: (222) [system] peek_char((0x56051b6b4f40), _421322)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_425114, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _429684)
   Call: (223) [system] peek_char((0x56051b6b4f40), _430618)
   Exit: (223) [system] peek_char((0x56051b6b4f40), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_434410, v('(', ')', end_of_file), t)
   Call: (223) [system] ')'==t
   Call: (223) [system] get_char((0x56051b6b4f40), t)
   Exit: (223) [system] get_char((0x56051b6b4f40), t)
   Call: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _438980)
   Call: (224) [system] peek_char((0x56051b6b4f40), _439914)
   Exit: (224) [system] peek_char((0x56051b6b4f40), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_443706, v('(', ')', end_of_file), r)
   Call: (224) [system] ')'==r
   Call: (224) [system] get_char((0x56051b6b4f40), r)
   Exit: (224) [system] get_char((0x56051b6b4f40), r)
   Call: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _448276)
   Call: (225) [system] peek_char((0x56051b6b4f40), _449210)
   Exit: (225) [system] peek_char((0x56051b6b4f40), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_453002, v('(', ')', end_of_file), o)
   Call: (225) [system] ')'==o
   Call: (225) [system] get_char((0x56051b6b4f40), o)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _457572)
   Call: (226) [system] peek_char((0x56051b6b4f40), _458506)
   Exit: (226) [system] peek_char((0x56051b6b4f40), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_462298, v('(', ')', end_of_file), d)
   Call: (226) [system] ')'==d
   Call: (226) [system] get_char((0x56051b6b4f40), d)
   Exit: (226) [system] get_char((0x56051b6b4f40), d)
   Call: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _466868)
   Call: (227) [system] peek_char((0x56051b6b4f40), _467802)
   Exit: (227) [system] peek_char((0x56051b6b4f40), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_471594, v('(', ')', end_of_file), u)
   Call: (227) [system] ')'==u
   Call: (227) [system] get_char((0x56051b6b4f40), u)
   Exit: (227) [system] get_char((0x56051b6b4f40), u)
   Call: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _476164)
   Call: (228) [system] peek_char((0x56051b6b4f40), _477098)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_480890, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _485460)
   Call: (229) [system] peek_char((0x56051b6b4f40), _486394)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_490186, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _494756)
   Call: (230) [system] peek_char((0x56051b6b4f40), _495690)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_499482, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _504052)
   Call: (231) [system] peek_char((0x56051b6b4f40), _504986)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_508778, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _513348)
   Call: (232) [system] peek_char((0x56051b6b4f40), _514282)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_518074, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _522644)
   Call: (233) [system] peek_char((0x56051b6b4f40), _523578)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _522644=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _513348=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (231) [system] _504052=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (230) [system] _494756=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (229) [system] _485460=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (228) [system] _476164=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (227) [system] _466868=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (226) [system] _457572=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (225) [system] _448276=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _438980=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _429684=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _420388=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _411092=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _401796=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _392500=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _383204=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _373908=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _364612=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _355316=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _346020=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _336724=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _327428=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _318132=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _297588)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_594356, _594358), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _297588), _594332, fail)), '$restore_trace'(_594356, _594358))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_594356, _594358))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _297588), _594332, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_297588)
   Call: (211) [system] atom_chars(_297588, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _602808)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _604666)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _611476)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _614180)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _623572)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _627286)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _629144)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _637612)
   Exit: (210) [system] get_char((0x56051b6b4f40), a)
   Call: (210) [system] a='('
   Call: (210) [system] a='['
   Call: (210) [system] a='{'
   Call: (210) [system] a='"'
   Call: (210) [system] a=!
   Call: (210) [system] a='\''
   Call: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), a, _627286)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _647830)
   Call: (212) [system] peek_char((0x56051b6b4f40), _648764)
   Exit: (212) [system] peek_char((0x56051b6b4f40), b)
^  Call: (212) [user] is_delimiter(b)
   Call: (213) [system] char_type(b, space)
   Call: (213) [system] arg(_652556, v('(', ')', end_of_file), b)
   Call: (212) [system] ')'==b
   Call: (212) [system] get_char((0x56051b6b4f40), b)
   Exit: (212) [system] get_char((0x56051b6b4f40), b)
   Call: (212) [system] b=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657126)
   Call: (213) [system] peek_char((0x56051b6b4f40), _658060)
   Exit: (213) [system] peek_char((0x56051b6b4f40), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_661852, v('(', ')', end_of_file), c)
   Call: (213) [system] ')'==c
   Call: (213) [system] get_char((0x56051b6b4f40), c)
   Exit: (213) [system] get_char((0x56051b6b4f40), c)
   Call: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666422)
   Call: (214) [system] peek_char((0x56051b6b4f40), _667356)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _666422=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _657126=[c]
   Exit: (213) [system] [c]=[c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (212) [system] _647830=[b, c]
   Exit: (212) [system] [b, c]=[b, c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (211) [user] classify_and_convert_charseq(a, [b, c], _627286)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_682254, _682256), once(user:catch(read_from_chars([a, b, c], _627286), _682230, fail)), '$restore_trace'(_682254, _682256))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_682254, _682256))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _682230, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _689754)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _691612)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _698422)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _701126)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(;)
^  Call: (212) [user] is_like_space(c)
   Call: (213) [system] char_type(c, 'white')
   Call: (213) [system] char_type(c, end_of_line)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] char_type(c, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _710518)
   Exit: (210) [system] peek_char((0x56051b6b4f40), c)
   Call: (210) [system] c=')'
   Call: (210) [system] c=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _714232)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _716090)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(;)
^  Call: (212) [user] is_like_space(c)
   Call: (213) [system] char_type(c, 'white')
   Call: (213) [system] char_type(c, end_of_line)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] char_type(c, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _724558)
   Exit: (211) [system] get_char((0x56051b6b4f40), c)
   Call: (211) [system] c='('
   Call: (211) [system] c='['
   Call: (211) [system] c='{'
   Call: (211) [system] c='"'
   Call: (211) [system] c=!
   Call: (211) [system] c='\''
   Call: (211) [system] c='`'
   Call: (211) [system] c=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), c, _714232)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _734776)
   Call: (213) [system] peek_char((0x56051b6b4f40), _735710)
   Exit: (213) [system] peek_char((0x56051b6b4f40), d)
^  Call: (213) [user] is_delimiter(d)
   Call: (214) [system] char_type(d, space)
   Call: (214) [system] arg(_739502, v('(', ')', end_of_file), d)
   Call: (213) [system] ')'==d
   Call: (213) [system] get_char((0x56051b6b4f40), d)
   Exit: (213) [system] get_char((0x56051b6b4f40), d)
   Call: (213) [system] d=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _744072)
   Call: (214) [system] peek_char((0x56051b6b4f40), _745006)
   Exit: (214) [system] peek_char((0x56051b6b4f40), e)
^  Call: (214) [user] is_delimiter(e)
   Call: (215) [system] char_type(e, space)
   Call: (215) [system] arg(_748798, v('(', ')', end_of_file), e)
   Call: (214) [system] ')'==e
   Call: (214) [system] get_char((0x56051b6b4f40), e)
   Exit: (214) [system] get_char((0x56051b6b4f40), e)
   Call: (214) [system] e=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _753368)
   Call: (215) [system] peek_char((0x56051b6b4f40), _754302)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_758094, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _753368=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _744072=[e]
   Exit: (214) [system] [e]=[e]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (213) [system] _734776=[d, e]
   Exit: (213) [system] [d, e]=[d, e]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (212) [user] classify_and_convert_charseq(c, [d, e], _714232)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_770144, _770146), once(user:catch(read_from_chars([c, d, e], _714232), _770120, fail)), '$restore_trace'(_770144, _770146))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_770144, _770146))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _770120, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(cde)
   Exit: (213) [system] atomic(cde)
^  Exit: (212) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _777644)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _779502)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _787970)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _791760)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _777644=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _689754=[cde]
   Exit: (210) [system] [cde]=[cde]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (209) [system] _602808=[abc, cde]
   Exit: (209) [system] [abc, cde]=[abc, cde]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [abc, cde])
   Call: (208) [system] _269510=['DisjunctionIntroduction', abc, cde]
   Exit: (208) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, cde])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, cde])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _805642)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _807500)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _815968)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x56051b6b4f40), _819758)
   Exit: (207) [system] get_char((0x56051b6b4f40), ')')
   Call: (207) [system] _805642=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (206) [system] _245032=[['DisjunctionIntroduction', abc, cde]]
   Exit: (206) [system] [['DisjunctionIntroduction', abc, cde]]=[['DisjunctionIntroduction', abc, cde]]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, cde]])
   Call: (205) [system] _158086=[abc, ['DisjunctionIntroduction', abc, cde]]
   Exit: (205) [system] [abc, ['DisjunctionIntroduction', abc, cde]]=[abc, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', abc, cde]])
   Call: (204) [system] _4472=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]
   Exit: (204) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]])
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]])
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _833640)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _835498)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _842308)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _845012)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _854404)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _858118)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _859976)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _868444)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _858118)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _874014)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (206) [system] 'O'=(;)
^  Call: (206) [user] is_like_space('O')
   Call: (207) [system] char_type('O', 'white')
   Call: (207) [system] char_type('O', end_of_line)
   Call: (207) [system] char_type('O', space)
   Call: (207) [system] char_type('O', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _882482)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (205) [system] 'O'=')'
   Call: (205) [system] 'O'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _886196)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _888054)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (207) [system] 'O'=(;)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _896522)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'O')
   Call: (206) [system] 'O'='('
   Call: (206) [system] 'O'='['
   Call: (206) [system] 'O'='{'
   Call: (206) [system] 'O'='"'
   Call: (206) [system] 'O'=!
   Call: (206) [system] 'O'='\''
   Call: (206) [system] 'O'='`'
   Call: (206) [system] 'O'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _886196)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _906740)
   Call: (208) [system] peek_char((0x56051b6b4f40), _907674)
   Exit: (208) [system] peek_char((0x56051b6b4f40), r)
^  Call: (208) [user] is_delimiter(r)
   Call: (209) [system] char_type(r, space)
   Call: (209) [system] arg(_911466, v('(', ')', end_of_file), r)
   Call: (208) [system] ')'==r
   Call: (208) [system] get_char((0x56051b6b4f40), r)
   Exit: (208) [system] get_char((0x56051b6b4f40), r)
   Call: (208) [system] r=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _916036)
   Call: (209) [system] peek_char((0x56051b6b4f40), _916970)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (209) [user] is_delimiter('L')
   Call: (210) [system] char_type('L', space)
   Call: (210) [system] arg(_920762, v('(', ')', end_of_file), 'L')
   Call: (209) [system] ')'=='L'
   Call: (209) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (209) [system] get_char((0x56051b6b4f40), 'L')
   Call: (209) [system] 'L'=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _925332)
   Call: (210) [system] peek_char((0x56051b6b4f40), _926266)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_930058, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _934628)
   Call: (211) [system] peek_char((0x56051b6b4f40), _935562)
   Exit: (211) [system] peek_char((0x56051b6b4f40), n)
^  Call: (211) [user] is_delimiter(n)
   Call: (212) [system] char_type(n, space)
   Call: (212) [system] arg(_939354, v('(', ')', end_of_file), n)
   Call: (211) [system] ')'==n
   Call: (211) [system] get_char((0x56051b6b4f40), n)
   Exit: (211) [system] get_char((0x56051b6b4f40), n)
   Call: (211) [system] n=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _943924)
   Call: (212) [system] peek_char((0x56051b6b4f40), _944858)
   Exit: (212) [system] peek_char((0x56051b6b4f40), k)
^  Call: (212) [user] is_delimiter(k)
   Call: (213) [system] char_type(k, space)
   Call: (213) [system] arg(_948650, v('(', ')', end_of_file), k)
   Call: (212) [system] ')'==k
   Call: (212) [system] get_char((0x56051b6b4f40), k)
   Exit: (212) [system] get_char((0x56051b6b4f40), k)
   Call: (212) [system] k=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _953220)
   Call: (213) [system] peek_char((0x56051b6b4f40), _954154)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _953220=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _943924=[k]
   Exit: (212) [system] [k]=[k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (211) [system] _934628=[n, k]
   Exit: (211) [system] [n, k]=[n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (210) [system] _925332=[i, n, k]
   Exit: (210) [system] [i, n, k]=[i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (209) [system] _916036=['L', i, n, k]
   Exit: (209) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (208) [system] _906740=[r, 'L', i, n, k]
   Exit: (208) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (207) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _886196)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_977434, _977436), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _886196), _977410, fail)), '$restore_trace'(_977434, _977436))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_977434, _977436))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _886196), _977410, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_886196)
   Call: (208) [system] atom_chars(_886196, ['O', r, 'L', i, n, k])
   Exit: (208) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (207) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _985886)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _987744)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _994554)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _997258)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1006650)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1010364)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1012222)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1020690)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1010364)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1026260)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'=(;)
^  Call: (209) [user] is_like_space('I')
   Call: (210) [system] char_type('I', 'white')
   Call: (210) [system] char_type('I', end_of_line)
   Call: (210) [system] char_type('I', space)
   Call: (210) [system] char_type('I', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1034728)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (208) [system] 'I'=')'
   Call: (208) [system] 'I'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1038442)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1040300)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (210) [system] 'I'=(;)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1048768)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'='('
   Call: (209) [system] 'I'='['
   Call: (209) [system] 'I'='{'
   Call: (209) [system] 'I'='"'
   Call: (209) [system] 'I'=!
   Call: (209) [system] 'I'='\''
   Call: (209) [system] 'I'='`'
   Call: (209) [system] 'I'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1038442)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1058986)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1059920)
   Exit: (211) [system] peek_char((0x56051b6b4f40), m)
^  Call: (211) [user] is_delimiter(m)
   Call: (212) [system] char_type(m, space)
   Call: (212) [system] arg(_1063712, v('(', ')', end_of_file), m)
   Call: (211) [system] ')'==m
   Call: (211) [system] get_char((0x56051b6b4f40), m)
   Exit: (211) [system] get_char((0x56051b6b4f40), m)
   Call: (211) [system] m=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1068282)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1069216)
   Exit: (212) [system] peek_char((0x56051b6b4f40), p)
^  Call: (212) [user] is_delimiter(p)
   Call: (213) [system] char_type(p, space)
   Call: (213) [system] arg(_1073008, v('(', ')', end_of_file), p)
   Call: (212) [system] ')'==p
   Call: (212) [system] get_char((0x56051b6b4f40), p)
   Exit: (212) [system] get_char((0x56051b6b4f40), p)
   Call: (212) [system] p=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1077578)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1078512)
   Exit: (213) [system] peek_char((0x56051b6b4f40), l)
^  Call: (213) [user] is_delimiter(l)
   Call: (214) [system] char_type(l, space)
   Call: (214) [system] arg(_1082304, v('(', ')', end_of_file), l)
   Call: (213) [system] ')'==l
   Call: (213) [system] get_char((0x56051b6b4f40), l)
   Exit: (213) [system] get_char((0x56051b6b4f40), l)
   Call: (213) [system] l=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1086874)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1087808)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1091600, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1096170)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1097104)
   Exit: (215) [system] peek_char((0x56051b6b4f40), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1100896, v('(', ')', end_of_file), c)
   Call: (215) [system] ')'==c
   Call: (215) [system] get_char((0x56051b6b4f40), c)
   Exit: (215) [system] get_char((0x56051b6b4f40), c)
   Call: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1105466)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1106400)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
^  Call: (216) [user] is_delimiter(a)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] arg(_1110192, v('(', ')', end_of_file), a)
   Call: (216) [system] ')'==a
   Call: (216) [system] get_char((0x56051b6b4f40), a)
   Exit: (216) [system] get_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1114762)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1115696)
   Exit: (217) [system] peek_char((0x56051b6b4f40), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_1119488, v('(', ')', end_of_file), t)
   Call: (217) [system] ')'==t
   Call: (217) [system] get_char((0x56051b6b4f40), t)
   Exit: (217) [system] get_char((0x56051b6b4f40), t)
   Call: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1124058)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1124992)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1128784, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1133354)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1134288)
   Exit: (219) [system] peek_char((0x56051b6b4f40), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_1138080, v('(', ')', end_of_file), o)
   Call: (219) [system] ')'==o
   Call: (219) [system] get_char((0x56051b6b4f40), o)
   Exit: (219) [system] get_char((0x56051b6b4f40), o)
   Call: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1142650)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1143584)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1147376, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1151946)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1152880)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1151946=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1142650=[n]
   Exit: (220) [system] [n]=[n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (219) [system] _1133354=[o, n]
   Exit: (219) [system] [o, n]=[o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (218) [system] _1124058=[i, o, n]
   Exit: (218) [system] [i, o, n]=[i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (217) [system] _1114762=[t, i, o, n]
   Exit: (217) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (216) [system] _1105466=[a, t, i, o, n]
   Exit: (216) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (215) [system] _1096170=[c, a, t, i, o, n]
   Exit: (215) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (214) [system] _1086874=[i, c, a, t, i, o, n]
   Exit: (214) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (213) [system] _1077578=[l, i, c, a, t, i, o, n]
   Exit: (213) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (212) [system] _1068282=[p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (211) [system] _1058986=[m, p, l, i, c, a, t, i, o, n]
   Exit: (211) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1038442)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1190130, _1190132), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1038442), _1190106, fail)), '$restore_trace'(_1190130, _1190132))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1190130, _1190132))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1038442), _1190106, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1038442)
   Call: (211) [system] atom_chars(_1038442, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (211) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1198582)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1200440)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1207250)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1209954)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1219346)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1223060)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1224918)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1233386)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1223060)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1238956)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=(;)
^  Call: (212) [user] is_like_space('A')
   Call: (213) [system] char_type('A', 'white')
   Call: (213) [system] char_type('A', end_of_line)
   Call: (213) [system] char_type('A', space)
   Call: (213) [system] char_type('A', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1247424)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (211) [system] 'A'=')'
   Call: (211) [system] 'A'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1251138)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1252996)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1261464)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'='('
   Call: (212) [system] 'A'='['
   Call: (212) [system] 'A'='{'
   Call: (212) [system] 'A'='"'
   Call: (212) [system] 'A'=!
   Call: (212) [system] 'A'='\''
   Call: (212) [system] 'A'='`'
   Call: (212) [system] 'A'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1251138)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1271682)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1272616)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1276408, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1280978)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1281912)
   Exit: (215) [system] peek_char((0x56051b6b4f40), d)
^  Call: (215) [user] is_delimiter(d)
   Call: (216) [system] char_type(d, space)
   Call: (216) [system] arg(_1285704, v('(', ')', end_of_file), d)
   Call: (215) [system] ')'==d
   Call: (215) [system] get_char((0x56051b6b4f40), d)
   Exit: (215) [system] get_char((0x56051b6b4f40), d)
   Call: (215) [system] d=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1290274)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1291208)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1295000, v('(', ')', end_of_file), 'L')
   Call: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (216) [system] get_char((0x56051b6b4f40), 'L')
   Call: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1299570)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1300504)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1304296, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1308866)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1309800)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1313592, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1318162)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1319096)
   Exit: (219) [system] peek_char((0x56051b6b4f40), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1322888, v('(', ')', end_of_file), k)
   Call: (219) [system] ')'==k
   Call: (219) [system] get_char((0x56051b6b4f40), k)
   Exit: (219) [system] get_char((0x56051b6b4f40), k)
   Call: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1327458)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1328392)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1327458=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _1318162=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (218) [system] _1308866=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (217) [system] _1299570=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (216) [system] _1290274=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (215) [system] _1280978=[d, 'L', i, n, k]
   Exit: (215) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (214) [system] _1271682=[n, d, 'L', i, n, k]
   Exit: (214) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1251138)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1354466, _1354468), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1251138), _1354442, fail)), '$restore_trace'(_1354466, _1354468))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1354466, _1354468))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1251138), _1354442, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1251138)
   Call: (214) [system] atom_chars(_1251138, ['A', n, d, 'L', i, n, k])
   Exit: (214) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1362918)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1364776)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1371586)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1374290)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1383682)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1387396)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1389254)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1397722)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1387396)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1407940)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1408874)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1407940=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('A', [], _1387396)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1418184, _1418186), once(user:catch(read_from_chars(['A'], _1387396), _1418160, fail)), '$restore_trace'(_1418184, _1418186))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1418184, _1418186))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1387396), _1418160, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1387396)
   Call: (215) [system] atom_chars(_1387396, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1426636)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1428494)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1435304)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1438008)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1447400)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1451114)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1452972)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1461440)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1451114)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1471658)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1472592)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1476384, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1471658=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('B', [], _1451114)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1482846, _1482848), once(user:catch(read_from_chars(['B'], _1451114), _1482822, fail)), '$restore_trace'(_1482846, _1482848))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1482846, _1482848))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1451114), _1482822, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1451114)
   Call: (216) [system] atom_chars(_1451114, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1491298)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1493156)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1501624)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _1505414)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _1491298=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _1426636=['B']
   Exit: (213) [system] ['B']=['B']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (212) [system] _1362918=['A', 'B']
   Exit: (212) [system] ['A', 'B']=['A', 'B']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (211) [system] _1223060=['AndLink', 'A', 'B']
   Exit: (211) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1519296)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1521154)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1527964)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1530668)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1540060)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (210) [system] 'C'=')'
   Call: (210) [system] 'C'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1543774)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1545632)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=(;)
^  Call: (212) [user] is_like_space('C')
   Call: (213) [system] char_type('C', 'white')
   Call: (213) [system] char_type('C', end_of_line)
   Call: (213) [system] char_type('C', space)
   Call: (213) [system] char_type('C', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1554100)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'='('
   Call: (211) [system] 'C'='['
   Call: (211) [system] 'C'='{'
   Call: (211) [system] 'C'='"'
   Call: (211) [system] 'C'=!
   Call: (211) [system] 'C'='\''
   Call: (211) [system] 'C'='`'
   Call: (211) [system] 'C'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1543774)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1564318)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1565252)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (213) [user] is_delimiter(')')
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] arg(_1569044, v('(', ')', end_of_file), ')')
   Exit: (214) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (213) [user] is_delimiter(')')
   Call: (213) [system] _1564318=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq('C', [], _1543774)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1575506, _1575508), once(user:catch(read_from_chars(['C'], _1543774), _1575482, fail)), '$restore_trace'(_1575506, _1575508))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1575506, _1575508))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1543774), _1575482, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1543774)
   Call: (213) [system] atom_chars(_1543774, ['C'])
   Exit: (213) [system] atom_chars('C', ['C'])
^  Exit: (212) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1583958)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1585816)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1594284)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _1598074)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _1583958=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1519296=['C']
   Exit: (210) [system] ['C']=['C']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (209) [system] _1198582=[['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (208) [system] _1010364=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (208) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1611956)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1613814)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1620624)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1623328)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1632720)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1636434)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1638292)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1646760)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1636434)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1652330)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1660798)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1664512)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1666370)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1674838)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1664512)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1685056)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1685990)
   Exit: (212) [system] peek_char((0x56051b6b4f40), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_1689782, v('(', ')', end_of_file), r)
   Call: (212) [system] ')'==r
   Call: (212) [system] get_char((0x56051b6b4f40), r)
   Exit: (212) [system] get_char((0x56051b6b4f40), r)
   Call: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1694352)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1695286)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1699078, v('(', ')', end_of_file), 'L')
   Call: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (213) [system] get_char((0x56051b6b4f40), 'L')
   Call: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1703648)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1704582)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1708374, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1712944)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1713878)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1717670, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1722240)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1723174)
   Exit: (216) [system] peek_char((0x56051b6b4f40), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1726966, v('(', ')', end_of_file), k)
   Call: (216) [system] ')'==k
   Call: (216) [system] get_char((0x56051b6b4f40), k)
   Exit: (216) [system] get_char((0x56051b6b4f40), k)
   Call: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1731536)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1732470)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1731536=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1722240=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (215) [system] _1712944=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (214) [system] _1703648=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (213) [system] _1694352=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (212) [system] _1685056=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1664512)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1755750, _1755752), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1664512), _1755726, fail)), '$restore_trace'(_1755750, _1755752))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1755750, _1755752))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1664512), _1755726, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1664512)
   Call: (212) [system] atom_chars(_1664512, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1764202)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1766060)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1772870)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1775574)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1784966)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1788680)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1790538)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1799006)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1788680)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1804576)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1813044)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1816758)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1818616)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1827084)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1816758)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1837302)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1838236)
   Exit: (215) [system] peek_char((0x56051b6b4f40), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_1842028, v('(', ')', end_of_file), m)
   Call: (215) [system] ')'==m
   Call: (215) [system] get_char((0x56051b6b4f40), m)
   Exit: (215) [system] get_char((0x56051b6b4f40), m)
   Call: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1846598)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1847532)
   Exit: (216) [system] peek_char((0x56051b6b4f40), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_1851324, v('(', ')', end_of_file), p)
   Call: (216) [system] ')'==p
   Call: (216) [system] get_char((0x56051b6b4f40), p)
   Exit: (216) [system] get_char((0x56051b6b4f40), p)
   Call: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1855894)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1856828)
   Exit: (217) [system] peek_char((0x56051b6b4f40), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_1860620, v('(', ')', end_of_file), l)
   Call: (217) [system] ')'==l
   Call: (217) [system] get_char((0x56051b6b4f40), l)
   Exit: (217) [system] get_char((0x56051b6b4f40), l)
   Call: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1865190)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1866124)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1869916, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1874486)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1875420)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1879212, v('(', ')', end_of_file), c)
   Call: (219) [system] ')'==c
   Call: (219) [system] get_char((0x56051b6b4f40), c)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1883782)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1884716)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_1888508, v('(', ')', end_of_file), a)
   Call: (220) [system] ')'==a
   Call: (220) [system] get_char((0x56051b6b4f40), a)
   Exit: (220) [system] get_char((0x56051b6b4f40), a)
   Call: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1893078)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1894012)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1897804, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1902374)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1903308)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1907100, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1911670)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1912604)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1916396, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1920966)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1921900)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1925692, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1930262)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1931196)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1930262=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1920966=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (223) [system] _1911670=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (222) [system] _1902374=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (221) [system] _1893078=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (220) [system] _1883782=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (219) [system] _1874486=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (218) [system] _1865190=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (217) [system] _1855894=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _1846598=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _1837302=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1816758)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1968446, _1968448), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1816758), _1968422, fail)), '$restore_trace'(_1968446, _1968448))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1968446, _1968448))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1816758), _1968422, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1816758)
   Call: (215) [system] atom_chars(_1816758, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1976898)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1978756)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1985566)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1988270)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1997662)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _2001376)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2003234)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _2011702)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _2001376)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _2017272)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2025740)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _2029454)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _2031312)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _2039780)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _2029454)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2049998)
   Call: (218) [system] peek_char((0x56051b6b4f40), _2050932)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_2054724, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2059294)
   Call: (219) [system] peek_char((0x56051b6b4f40), _2060228)
   Exit: (219) [system] peek_char((0x56051b6b4f40), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_2064020, v('(', ')', end_of_file), d)
   Call: (219) [system] ')'==d
   Call: (219) [system] get_char((0x56051b6b4f40), d)
   Exit: (219) [system] get_char((0x56051b6b4f40), d)
   Call: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2068590)
   Call: (220) [system] peek_char((0x56051b6b4f40), _2069524)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_2073316, v('(', ')', end_of_file), 'L')
   Call: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (220) [system] get_char((0x56051b6b4f40), 'L')
   Call: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2077886)
   Call: (221) [system] peek_char((0x56051b6b4f40), _2078820)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_2082612, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2087182)
   Call: (222) [system] peek_char((0x56051b6b4f40), _2088116)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_2091908, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _4624)
   Call: (223) [system] peek_char((0x56051b6b4f40), _5226)
   Exit: (223) [system] peek_char((0x56051b6b4f40), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_9018, v('(', ')', end_of_file), k)
   Call: (223) [system] ')'==k
   Call: (223) [system] get_char((0x56051b6b4f40), k)
   Exit: (223) [system] get_char((0x56051b6b4f40), k)
   Call: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _13588)
   Call: (224) [system] peek_char((0x56051b6b4f40), _14522)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _13588=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _4624=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (222) [system] _4618=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (221) [system] _4614=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (220) [system] _4610=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (219) [system] _4606=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (218) [system] _4602=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _4598)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_40596, _40598), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4598), _40572, fail)), '$restore_trace'(_40596, _40598))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_40596, _40598))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4598), _40572, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_4598)
   Call: (218) [system] atom_chars(_4598, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _49048)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _50906)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _57716)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _60420)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _69812)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _73526)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _75384)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _83852)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _73526)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _94070)
   Call: (219) [system] peek_char((0x56051b6b4f40), _95004)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _94070=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq('A', [], _73526)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_104314, _104316), once(user:catch(read_from_chars(['A'], _73526), _104290, fail)), '$restore_trace'(_104314, _104316))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_104314, _104316))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _73526), _104290, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_73526)
   Call: (219) [system] atom_chars(_73526, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _112766)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _114624)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _121434)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _124138)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (219) [system] 'B'=(;)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _133530)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _137244)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _139102)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (219) [system] 'B'=(;)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _147570)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _137244)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _157788)
   Call: (220) [system] peek_char((0x56051b6b4f40), _158722)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_162514, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _157788=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq('B', [], _137244)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_168976, _168978), once(user:catch(read_from_chars(['B'], _137244), _168952, fail)), '$restore_trace'(_168976, _168978))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_168976, _168978))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _137244), _168952, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_137244)
   Call: (220) [system] atom_chars(_137244, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _177428)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _179286)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _187754)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _191544)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _177428=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _112766=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (216) [system] _49048=['A', 'B']
   Exit: (216) [system] ['A', 'B']=['A', 'B']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (215) [system] _4592=['AndLink', 'A', 'B']
   Exit: (215) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _205426)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _207284)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _214094)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _216798)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (216) [system] 'C'=(;)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _226190)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _229904)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _231762)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (216) [system] 'C'=(;)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _240230)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _229904)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _250448)
   Call: (217) [system] peek_char((0x56051b6b4f40), _251382)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_255174, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _250448=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq('C', [], _229904)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_261636, _261638), once(user:catch(read_from_chars(['C'], _229904), _261612, fail)), '$restore_trace'(_261636, _261638))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_261636, _261638))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _229904), _261612, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_229904)
   Call: (217) [system] atom_chars(_229904, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _270088)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _271946)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _280414)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _284204)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _270088=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _205426=['C']
   Exit: (214) [system] ['C']=['C']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (213) [system] _4588=[['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (212) [system] _4580=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _298086)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _299944)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _306754)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _309458)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _318850)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _322564)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _324422)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _332890)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _322564)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _338460)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _346928)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _350642)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _352500)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (215) [system] 'I'=(;)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _360968)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _350642)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _371186)
   Call: (216) [system] peek_char((0x56051b6b4f40), _372120)
   Exit: (216) [system] peek_char((0x56051b6b4f40), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_375912, v('(', ')', end_of_file), m)
   Call: (216) [system] ')'==m
   Call: (216) [system] get_char((0x56051b6b4f40), m)
   Exit: (216) [system] get_char((0x56051b6b4f40), m)
   Call: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _380482)
   Call: (217) [system] peek_char((0x56051b6b4f40), _381416)
   Exit: (217) [system] peek_char((0x56051b6b4f40), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_385208, v('(', ')', end_of_file), p)
   Call: (217) [system] ')'==p
   Call: (217) [system] get_char((0x56051b6b4f40), p)
   Exit: (217) [system] get_char((0x56051b6b4f40), p)
   Call: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _389778)
   Call: (218) [system] peek_char((0x56051b6b4f40), _390712)
   Exit: (218) [system] peek_char((0x56051b6b4f40), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_394504, v('(', ')', end_of_file), l)
   Call: (218) [system] ')'==l
   Call: (218) [system] get_char((0x56051b6b4f40), l)
   Exit: (218) [system] get_char((0x56051b6b4f40), l)
   Call: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _399074)
   Call: (219) [system] peek_char((0x56051b6b4f40), _400008)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_403800, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _408370)
   Call: (220) [system] peek_char((0x56051b6b4f40), _409304)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_413096, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _417666)
   Call: (221) [system] peek_char((0x56051b6b4f40), _418600)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_422392, v('(', ')', end_of_file), a)
   Call: (221) [system] ')'==a
   Call: (221) [system] get_char((0x56051b6b4f40), a)
   Exit: (221) [system] get_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _426962)
   Call: (222) [system] peek_char((0x56051b6b4f40), _427896)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_431688, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _436258)
   Call: (223) [system] peek_char((0x56051b6b4f40), _437192)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_440984, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _445554)
   Call: (224) [system] peek_char((0x56051b6b4f40), _446488)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_450280, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454850)
   Call: (225) [system] peek_char((0x56051b6b4f40), _455784)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_459576, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _464146)
   Call: (226) [system] peek_char((0x56051b6b4f40), _465080)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _464146=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _454850=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (224) [system] _445554=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (223) [system] _436258=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (222) [system] _426962=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (221) [system] _417666=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (220) [system] _408370=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (219) [system] _399074=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (218) [system] _389778=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _380482=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _371186=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _350642)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_502330, _502332), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _350642), _502306, fail)), '$restore_trace'(_502330, _502332))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_502330, _502332))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _350642), _502306, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_350642)
   Call: (216) [system] atom_chars(_350642, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _510782)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _512640)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _519450)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _522154)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _531546)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _535260)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _537118)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _545586)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _535260)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _551156)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _559624)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _563338)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _565196)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _573664)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _563338)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _583882)
   Call: (219) [system] peek_char((0x56051b6b4f40), _584816)
   Exit: (219) [system] peek_char((0x56051b6b4f40), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_588608, v('(', ')', end_of_file), r)
   Call: (219) [system] ')'==r
   Call: (219) [system] get_char((0x56051b6b4f40), r)
   Exit: (219) [system] get_char((0x56051b6b4f40), r)
   Call: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _593178)
   Call: (220) [system] peek_char((0x56051b6b4f40), _594112)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_597904, v('(', ')', end_of_file), 'L')
   Call: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (220) [system] get_char((0x56051b6b4f40), 'L')
   Call: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _602474)
   Call: (221) [system] peek_char((0x56051b6b4f40), _603408)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_607200, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _611770)
   Call: (222) [system] peek_char((0x56051b6b4f40), _612704)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_616496, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _621066)
   Call: (223) [system] peek_char((0x56051b6b4f40), _622000)
   Exit: (223) [system] peek_char((0x56051b6b4f40), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_625792, v('(', ')', end_of_file), k)
   Call: (223) [system] ')'==k
   Call: (223) [system] get_char((0x56051b6b4f40), k)
   Exit: (223) [system] get_char((0x56051b6b4f40), k)
   Call: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _630362)
   Call: (224) [system] peek_char((0x56051b6b4f40), _631296)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _630362=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _621066=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (222) [system] _611770=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (221) [system] _602474=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (220) [system] _593178=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (219) [system] _583882=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _563338)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_654576, _654578), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _563338), _654552, fail)), '$restore_trace'(_654576, _654578))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_654576, _654578))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _563338), _654552, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_563338)
   Call: (219) [system] atom_chars(_563338, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _663028)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _664886)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _671696)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _674400)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _683792)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _687506)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _689364)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _697832)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'C')
   Call: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _687506)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _708050)
   Call: (220) [system] peek_char((0x56051b6b4f40), _708984)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _708050=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq('C', [], _687506)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_718294, _718296), once(user:catch(read_from_chars(['C'], _687506), _718270, fail)), '$restore_trace'(_718294, _718296))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_718294, _718296))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _687506), _718270, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_687506)
   Call: (220) [system] atom_chars(_687506, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _726746)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _728604)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _735414)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _738118)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _747510)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _751224)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _753082)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _761550)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _751224)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _771768)
   Call: (221) [system] peek_char((0x56051b6b4f40), _772702)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_776494, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _771768=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (220) [user] classify_and_convert_charseq('D', [], _751224)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_782956, _782958), once(user:catch(read_from_chars(['D'], _751224), _782932, fail)), '$restore_trace'(_782956, _782958))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_782956, _782958))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _751224), _782932, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_751224)
   Call: (221) [system] atom_chars(_751224, ['D'])
   Exit: (221) [system] atom_chars('D', ['D'])
^  Exit: (220) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _791408)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _793266)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _801734)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _805524)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _791408=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _726746=['D']
   Exit: (218) [system] ['D']=['D']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (217) [system] _663028=['C', 'D']
   Exit: (217) [system] ['C', 'D']=['C', 'D']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (216) [system] _535260=['OrLink', 'C', 'D']
   Exit: (216) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _819406)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _821264)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _828074)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _830778)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (217) [system] 'E'=(;)
^  Call: (217) [user] is_like_space('E')
   Call: (218) [system] char_type('E', 'white')
   Call: (218) [system] char_type('E', end_of_line)
   Call: (218) [system] char_type('E', space)
   Call: (218) [system] char_type('E', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _840170)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (215) [system] 'E'=')'
   Call: (215) [system] 'E'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _843884)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _845742)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (217) [system] 'E'=(;)
^  Call: (217) [user] is_like_space('E')
   Call: (218) [system] char_type('E', 'white')
   Call: (218) [system] char_type('E', end_of_line)
   Call: (218) [system] char_type('E', space)
   Call: (218) [system] char_type('E', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _854210)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'E')
   Call: (216) [system] 'E'='('
   Call: (216) [system] 'E'='['
   Call: (216) [system] 'E'='{'
   Call: (216) [system] 'E'='"'
   Call: (216) [system] 'E'=!
   Call: (216) [system] 'E'='\''
   Call: (216) [system] 'E'='`'
   Call: (216) [system] 'E'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _843884)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _864428)
   Call: (218) [system] peek_char((0x56051b6b4f40), _865362)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_869154, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _864428=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('E', [], _843884)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_875616, _875618), once(user:catch(read_from_chars(['E'], _843884), _875592, fail)), '$restore_trace'(_875616, _875618))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_875616, _875618))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _843884), _875592, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_843884)
   Call: (218) [system] atom_chars(_843884, ['E'])
   Exit: (218) [system] atom_chars('E', ['E'])
^  Exit: (217) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _884068)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _885926)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _894394)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _898184)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _884068=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _819406=['E']
   Exit: (215) [system] ['E']=['E']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (214) [system] _510782=[['OrLink', 'C', 'D'], 'E']
   Exit: (214) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (213) [system] _322564=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (213) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _912066)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _913924)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _922392)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _926182)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _912066=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _298086=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (211) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (210) [system] _4576=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (210) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (209) [system] _4568=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (209) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _940064)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _941922)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _950390)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _954180)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _940064=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _4564=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (207) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (206) [system] _4522=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (206) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (205) [system] _4514=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (205) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _968062)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _969920)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=(;)
^  Call: (205) [user] is_like_space(')')
   Call: (206) [system] char_type(')', 'white')
   Call: (206) [system] char_type(')', end_of_line)
   Call: (206) [system] char_type(')', space)
   Call: (206) [system] char_type(')', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _978388)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ')')
   Call: (204) [system] ')'=')'
   Exit: (204) [system] ')'=')'
   Call: (204) [system] get_char((0x56051b6b4f40), _982178)
   Exit: (204) [system] get_char((0x56051b6b4f40), ')')
   Call: (204) [system] _968062=[]
   Exit: (204) [system] []=[]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (203) [system] _4510=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (203) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (202) [system] _4468=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (202) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (201) [system] _4460=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (201) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (200) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (199) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (199) [user] read_list(')', (0x56051b6b4f40), _996060)
^  Call: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _997918)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (201) [system] '\n'=(;)
^  Call: (201) [user] is_like_space('\n')
   Call: (202) [system] char_type('\n', 'white')
   Call: (202) [system] char_type('\n', end_of_line)
   Exit: (202) [system] char_type('\n', end_of_line)
^  Exit: (201) [user] is_like_space('\n')
   Call: (201) [system] get_char((0x56051b6b4f40), _1005534)
   Exit: (201) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1008238)
   Exit: (202) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (202) [system] ' '=(;)
^  Call: (202) [user] is_like_space(' ')
   Call: (203) [system] char_type(' ', 'white')
   Exit: (203) [system] char_type(' ', 'white')
^  Exit: (202) [user] is_like_space(' ')
   Call: (202) [system] get_char((0x56051b6b4f40), _1015048)
   Exit: (202) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1017752)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (200) [user] skip_spaces((0x56051b6b4f40))
   Call: (200) [system] peek_char((0x56051b6b4f40), _1028068)
   Exit: (200) [system] peek_char((0x56051b6b4f40), '(')
   Call: (200) [system] '('=')'
   Call: (200) [system] '('=end_of_file
^  Call: (200) [user] cont_sexpr(')', (0x56051b6b4f40), _1031782)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1033640)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=(;)
^  Call: (202) [user] is_like_space('(')
   Call: (203) [system] char_type('(', 'white')
   Call: (203) [system] char_type('(', end_of_line)
   Call: (203) [system] char_type('(', space)
   Call: (203) [system] char_type('(', cntrl)
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] get_char((0x56051b6b4f40), _1042108)
   Exit: (201) [system] get_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('='('
   Exit: (201) [system] '('='('
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _1031782)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1047678)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=(;)
^  Call: (203) [user] is_like_space(:)
   Call: (204) [system] char_type(:, 'white')
   Call: (204) [system] char_type(:, end_of_line)
   Call: (204) [system] char_type(:, space)
   Call: (204) [system] char_type(:, cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1056146)
   Exit: (202) [system] peek_char((0x56051b6b4f40), :)
   Call: (202) [system] (:)=')'
   Call: (202) [system] (:)=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _1059860)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1061718)
   Exit: (204) [system] peek_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _1070186)
   Exit: (203) [system] get_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)='('
   Call: (203) [system] (:)='['
   Call: (203) [system] (:)='{'
   Call: (203) [system] (:)='"'
   Call: (203) [system] (:)=!
   Call: (203) [system] (:)='\''
   Call: (203) [system] (:)='`'
   Call: (203) [system] (:)=end_of_file
^  Call: (203) [user] read_symbolic(')', (0x56051b6b4f40), :, _1059860)
^  Call: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1080404)
   Call: (205) [system] peek_char((0x56051b6b4f40), _1081338)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] is_delimiter(' ')
   Call: (206) [system] char_type(' ', space)
   Exit: (206) [system] char_type(' ', space)
^  Exit: (205) [user] is_delimiter(' ')
   Call: (205) [system] _1080404=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (204) [user] classify_and_convert_charseq(:, [], _1059860)
^  Call: (206) [system] setup_call_cleanup('$notrace'(_1090648, _1090650), once(user:catch(read_from_chars([:], _1059860), _1090624, fail)), '$restore_trace'(_1090648, _1090650))
^  Call: (207) [system] sig_atomic(system:'$notrace'(_1090648, _1090650))
^  Exit: (206) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1090624, fail)), system:'$restore_trace'(3, -1))
   Call: (205) [system] atomic(:)
   Exit: (205) [system] atomic(:)
^  Exit: (204) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (203) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1098148)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1100006)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _1106816)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1109520)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1118912)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1122626)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1124484)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1132952)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1122626)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1138522)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (206) [system] 'D'=(;)
^  Call: (206) [user] is_like_space('D')
   Call: (207) [system] char_type('D', 'white')
   Call: (207) [system] char_type('D', end_of_line)
   Call: (207) [system] char_type('D', space)
   Call: (207) [system] char_type('D', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1146990)
   Exit: (205) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (205) [system] 'D'=')'
   Call: (205) [system] 'D'=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1150704)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1152562)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (207) [system] 'D'=(;)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1161030)
   Exit: (206) [system] get_char((0x56051b6b4f40), 'D')
   Call: (206) [system] 'D'='('
   Call: (206) [system] 'D'='['
   Call: (206) [system] 'D'='{'
   Call: (206) [system] 'D'='"'
   Call: (206) [system] 'D'=!
   Call: (206) [system] 'D'='\''
   Call: (206) [system] 'D'='`'
   Call: (206) [system] 'D'=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1150704)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1171248)
   Call: (208) [system] peek_char((0x56051b6b4f40), _1172182)
   Exit: (208) [system] peek_char((0x56051b6b4f40), i)
^  Call: (208) [user] is_delimiter(i)
   Call: (209) [system] char_type(i, space)
   Call: (209) [system] arg(_1175974, v('(', ')', end_of_file), i)
   Call: (208) [system] ')'==i
   Call: (208) [system] get_char((0x56051b6b4f40), i)
   Exit: (208) [system] get_char((0x56051b6b4f40), i)
   Call: (208) [system] i=(\)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1180544)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1181478)
   Exit: (209) [system] peek_char((0x56051b6b4f40), s)
^  Call: (209) [user] is_delimiter(s)
   Call: (210) [system] char_type(s, space)
   Call: (210) [system] arg(_1185270, v('(', ')', end_of_file), s)
   Call: (209) [system] ')'==s
   Call: (209) [system] get_char((0x56051b6b4f40), s)
   Exit: (209) [system] get_char((0x56051b6b4f40), s)
   Call: (209) [system] s=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1189840)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1190774)
   Exit: (210) [system] peek_char((0x56051b6b4f40), j)
^  Call: (210) [user] is_delimiter(j)
   Call: (211) [system] char_type(j, space)
   Call: (211) [system] arg(_1194566, v('(', ')', end_of_file), j)
   Call: (210) [system] ')'==j
   Call: (210) [system] get_char((0x56051b6b4f40), j)
   Exit: (210) [system] get_char((0x56051b6b4f40), j)
   Call: (210) [system] j=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1199136)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1200070)
   Exit: (211) [system] peek_char((0x56051b6b4f40), u)
^  Call: (211) [user] is_delimiter(u)
   Call: (212) [system] char_type(u, space)
   Call: (212) [system] arg(_1203862, v('(', ')', end_of_file), u)
   Call: (211) [system] ')'==u
   Call: (211) [system] get_char((0x56051b6b4f40), u)
   Exit: (211) [system] get_char((0x56051b6b4f40), u)
   Call: (211) [system] u=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1208432)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1209366)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_1213158, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1217728)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1218662)
   Exit: (213) [system] peek_char((0x56051b6b4f40), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1222454, v('(', ')', end_of_file), c)
   Call: (213) [system] ')'==c
   Call: (213) [system] get_char((0x56051b6b4f40), c)
   Exit: (213) [system] get_char((0x56051b6b4f40), c)
   Call: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1227024)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1227958)
   Exit: (214) [system] peek_char((0x56051b6b4f40), t)
^  Call: (214) [user] is_delimiter(t)
   Call: (215) [system] char_type(t, space)
   Call: (215) [system] arg(_1231750, v('(', ')', end_of_file), t)
   Call: (214) [system] ')'==t
   Call: (214) [system] get_char((0x56051b6b4f40), t)
   Exit: (214) [system] get_char((0x56051b6b4f40), t)
   Call: (214) [system] t=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1236320)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1237254)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1241046, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1245616)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1246550)
   Exit: (216) [system] peek_char((0x56051b6b4f40), o)
^  Call: (216) [user] is_delimiter(o)
   Call: (217) [system] char_type(o, space)
   Call: (217) [system] arg(_1250342, v('(', ')', end_of_file), o)
   Call: (216) [system] ')'==o
   Call: (216) [system] get_char((0x56051b6b4f40), o)
   Exit: (216) [system] get_char((0x56051b6b4f40), o)
   Call: (216) [system] o=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1254912)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1255846)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1259638, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1264208)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1265142)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (218) [user] is_delimiter('I')
   Call: (219) [system] char_type('I', space)
   Call: (219) [system] arg(_1268934, v('(', ')', end_of_file), 'I')
   Call: (218) [system] ')'=='I'
   Call: (218) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (218) [system] get_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1273504)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1274438)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1278230, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1282800)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1283734)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1287526, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1292096)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1293030)
   Exit: (221) [system] peek_char((0x56051b6b4f40), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1296822, v('(', ')', end_of_file), r)
   Call: (221) [system] ')'==r
   Call: (221) [system] get_char((0x56051b6b4f40), r)
   Exit: (221) [system] get_char((0x56051b6b4f40), r)
   Call: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1301392)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1302326)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1306118, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1310688)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1311622)
   Exit: (223) [system] peek_char((0x56051b6b4f40), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_1315414, v('(', ')', end_of_file), d)
   Call: (223) [system] ')'==d
   Call: (223) [system] get_char((0x56051b6b4f40), d)
   Exit: (223) [system] get_char((0x56051b6b4f40), d)
   Call: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1319984)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1320918)
   Exit: (224) [system] peek_char((0x56051b6b4f40), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1324710, v('(', ')', end_of_file), u)
   Call: (224) [system] ')'==u
   Call: (224) [system] get_char((0x56051b6b4f40), u)
   Exit: (224) [system] get_char((0x56051b6b4f40), u)
   Call: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1329280)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1330214)
   Exit: (225) [system] peek_char((0x56051b6b4f40), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1334006, v('(', ')', end_of_file), c)
   Call: (225) [system] ')'==c
   Call: (225) [system] get_char((0x56051b6b4f40), c)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1338576)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1339510)
   Exit: (226) [system] peek_char((0x56051b6b4f40), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1343302, v('(', ')', end_of_file), t)
   Call: (226) [system] ')'==t
   Call: (226) [system] get_char((0x56051b6b4f40), t)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1347872)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1348806)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1352598, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1357168)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1358102)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1361894, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1366464)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1367398)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1371190, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1375760)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1376694)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1375760=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1366464=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (228) [system] _1357168=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (227) [system] _1347872=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (226) [system] _1338576=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (225) [system] _1329280=[c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (224) [system] _1319984=[u, c, t, i, o, n]
   Exit: (224) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (223) [system] _1310688=[d, u, c, t, i, o, n]
   Exit: (223) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (222) [system] _1301392=[o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (221) [system] _1292096=[r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1282800=[t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1273504=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1264208=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1254912=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1245616=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1236320=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1227024=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1217728=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1208432=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _1199136=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _1189840=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _1180544=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (208) [system] _1171248=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (208) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (207) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1150704)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_1447472, _1447474), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1150704), _1447448, fail)), '$restore_trace'(_1447472, _1447474))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_1447472, _1447474))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1150704), _1447448, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(_1150704)
   Call: (208) [system] atom_chars(_1150704, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (208) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (207) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1455924)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1457782)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1464592)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1467296)
   Exit: (208) [system] peek_char((0x56051b6b4f40), a)
   Call: (208) [system] a=(;)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1476688)
   Exit: (206) [system] peek_char((0x56051b6b4f40), a)
   Call: (206) [system] a=')'
   Call: (206) [system] a=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1480402)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1482260)
   Exit: (208) [system] peek_char((0x56051b6b4f40), a)
   Call: (208) [system] a=(;)
^  Call: (208) [user] is_like_space(a)
   Call: (209) [system] char_type(a, 'white')
   Call: (209) [system] char_type(a, end_of_line)
   Call: (209) [system] char_type(a, space)
   Call: (209) [system] char_type(a, cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1490728)
   Exit: (207) [system] get_char((0x56051b6b4f40), a)
   Call: (207) [system] a='('
   Call: (207) [system] a='['
   Call: (207) [system] a='{'
   Call: (207) [system] a='"'
   Call: (207) [system] a=!
   Call: (207) [system] a='\''
   Call: (207) [system] a='`'
   Call: (207) [system] a=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), a, _1480402)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1500946)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1501880)
   Exit: (209) [system] peek_char((0x56051b6b4f40), b)
^  Call: (209) [user] is_delimiter(b)
   Call: (210) [system] char_type(b, space)
   Call: (210) [system] arg(_1505672, v('(', ')', end_of_file), b)
   Call: (209) [system] ')'==b
   Call: (209) [system] get_char((0x56051b6b4f40), b)
   Exit: (209) [system] get_char((0x56051b6b4f40), b)
   Call: (209) [system] b=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1510242)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1511176)
   Exit: (210) [system] peek_char((0x56051b6b4f40), c)
^  Call: (210) [user] is_delimiter(c)
   Call: (211) [system] char_type(c, space)
   Call: (211) [system] arg(_1514968, v('(', ')', end_of_file), c)
   Call: (210) [system] ')'==c
   Call: (210) [system] get_char((0x56051b6b4f40), c)
   Exit: (210) [system] get_char((0x56051b6b4f40), c)
   Call: (210) [system] c=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1519538)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1520472)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _1519538=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1510242=[c]
   Exit: (210) [system] [c]=[c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (209) [system] _1500946=[b, c]
   Exit: (209) [system] [b, c]=[b, c]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (208) [user] classify_and_convert_charseq(a, [b, c], _1480402)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1535370, _1535372), once(user:catch(read_from_chars([a, b, c], _1480402), _1535346, fail)), '$restore_trace'(_1535370, _1535372))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1535370, _1535372))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1535346, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(abc)
   Exit: (209) [system] atomic(abc)
^  Exit: (208) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1542870)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1544728)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1551538)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1554242)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1563634)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1567348)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1569206)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1577674)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1567348)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1583244)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (210) [system] 'D'=(;)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1591712)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1595426)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1597284)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1605752)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'D')
   Call: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1595426)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1615970)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1616904)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1620696, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1625266)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1626200)
   Exit: (213) [system] peek_char((0x56051b6b4f40), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_1629992, v('(', ')', end_of_file), s)
   Call: (213) [system] ')'==s
   Call: (213) [system] get_char((0x56051b6b4f40), s)
   Exit: (213) [system] get_char((0x56051b6b4f40), s)
   Call: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1634562)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1635496)
   Exit: (214) [system] peek_char((0x56051b6b4f40), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_1639288, v('(', ')', end_of_file), j)
   Call: (214) [system] ')'==j
   Call: (214) [system] get_char((0x56051b6b4f40), j)
   Exit: (214) [system] get_char((0x56051b6b4f40), j)
   Call: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1643858)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1644792)
   Exit: (215) [system] peek_char((0x56051b6b4f40), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_1648584, v('(', ')', end_of_file), u)
   Call: (215) [system] ')'==u
   Call: (215) [system] get_char((0x56051b6b4f40), u)
   Exit: (215) [system] get_char((0x56051b6b4f40), u)
   Call: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1653154)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1654088)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1657880, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1662450)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1663384)
   Exit: (217) [system] peek_char((0x56051b6b4f40), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1667176, v('(', ')', end_of_file), c)
   Call: (217) [system] ')'==c
   Call: (217) [system] get_char((0x56051b6b4f40), c)
   Exit: (217) [system] get_char((0x56051b6b4f40), c)
   Call: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1671746)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1672680)
   Exit: (218) [system] peek_char((0x56051b6b4f40), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1676472, v('(', ')', end_of_file), t)
   Call: (218) [system] ')'==t
   Call: (218) [system] get_char((0x56051b6b4f40), t)
   Exit: (218) [system] get_char((0x56051b6b4f40), t)
   Call: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1681042)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1681976)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1685768, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1690338)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1691272)
   Exit: (220) [system] peek_char((0x56051b6b4f40), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1695064, v('(', ')', end_of_file), o)
   Call: (220) [system] ')'==o
   Call: (220) [system] get_char((0x56051b6b4f40), o)
   Exit: (220) [system] get_char((0x56051b6b4f40), o)
   Call: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1699634)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1700568)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1704360, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1708930)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1709864)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_1713656, v('(', ')', end_of_file), 'I')
   Call: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (222) [system] get_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1718226)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1719160)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1722952, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1727522)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1728456)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1732248, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1736818)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1737752)
   Exit: (225) [system] peek_char((0x56051b6b4f40), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1741544, v('(', ')', end_of_file), r)
   Call: (225) [system] ')'==r
   Call: (225) [system] get_char((0x56051b6b4f40), r)
   Exit: (225) [system] get_char((0x56051b6b4f40), r)
   Call: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1746114)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1747048)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1750840, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1755410)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1756344)
   Exit: (227) [system] peek_char((0x56051b6b4f40), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1760136, v('(', ')', end_of_file), d)
   Call: (227) [system] ')'==d
   Call: (227) [system] get_char((0x56051b6b4f40), d)
   Exit: (227) [system] get_char((0x56051b6b4f40), d)
   Call: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1764706)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1765640)
   Exit: (228) [system] peek_char((0x56051b6b4f40), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1769432, v('(', ')', end_of_file), u)
   Call: (228) [system] ')'==u
   Call: (228) [system] get_char((0x56051b6b4f40), u)
   Exit: (228) [system] get_char((0x56051b6b4f40), u)
   Call: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1774002)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1774936)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1778728, v('(', ')', end_of_file), c)
   Call: (229) [system] ')'==c
   Call: (229) [system] get_char((0x56051b6b4f40), c)
   Exit: (229) [system] get_char((0x56051b6b4f40), c)
   Call: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1783298)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1784232)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1788024, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1792594)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1793528)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1797320, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1801890)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1802824)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1806616, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1811186)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1812120)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1815912, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1820482)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1821416)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1820482=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1811186=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (232) [system] _1801890=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (231) [system] _1792594=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (230) [system] _1783298=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (229) [system] _1774002=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (228) [system] _1764706=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (227) [system] _1755410=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (226) [system] _1746114=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _1736818=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1727522=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1718226=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1708930=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1699634=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1690338=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1681042=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1671746=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1662450=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1653154=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1643858=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1634562=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1625266=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1615970=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1595426)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1892194, _1892196), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1595426), _1892170, fail)), '$restore_trace'(_1892194, _1892196))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1892194, _1892196))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1595426), _1892170, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1595426)
   Call: (212) [system] atom_chars(_1595426, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1900646)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1902504)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1909314)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1912018)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1921410)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1925124)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1926982)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1935450)
   Exit: (211) [system] get_char((0x56051b6b4f40), a)
   Call: (211) [system] a='('
   Call: (211) [system] a='['
   Call: (211) [system] a='{'
   Call: (211) [system] a='"'
   Call: (211) [system] a=!
   Call: (211) [system] a='\''
   Call: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), a, _1925124)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1945668)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1946602)
   Exit: (213) [system] peek_char((0x56051b6b4f40), b)
^  Call: (213) [user] is_delimiter(b)
   Call: (214) [system] char_type(b, space)
   Call: (214) [system] arg(_1950394, v('(', ')', end_of_file), b)
   Call: (213) [system] ')'==b
   Call: (213) [system] get_char((0x56051b6b4f40), b)
   Exit: (213) [system] get_char((0x56051b6b4f40), b)
   Call: (213) [system] b=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1954964)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1955898)
   Exit: (214) [system] peek_char((0x56051b6b4f40), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1959690, v('(', ')', end_of_file), c)
   Call: (214) [system] ')'==c
   Call: (214) [system] get_char((0x56051b6b4f40), c)
   Exit: (214) [system] get_char((0x56051b6b4f40), c)
   Call: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1964260)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1965194)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1964260=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1954964=[c]
   Exit: (214) [system] [c]=[c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (213) [system] _1945668=[b, c]
   Exit: (213) [system] [b, c]=[b, c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (212) [user] classify_and_convert_charseq(a, [b, c], _1925124)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1980092, _1980094), once(user:catch(read_from_chars([a, b, c], _1925124), _1980068, fail)), '$restore_trace'(_1980092, _1980094))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1980092, _1980094))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1980068, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(abc)
   Exit: (213) [system] atomic(abc)
^  Exit: (212) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1987592)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1989450)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1996260)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1998964)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _2008356)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _2012070)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _2013928)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _2022396)
   Exit: (212) [system] get_char((0x56051b6b4f40), a)
   Call: (212) [system] a='('
   Call: (212) [system] a='['
   Call: (212) [system] a='{'
   Call: (212) [system] a='"'
   Call: (212) [system] a=!
   Call: (212) [system] a='\''
   Call: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), a, _2012070)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2032614)
   Call: (214) [system] peek_char((0x56051b6b4f40), _2033548)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_2037340, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _2032614=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq(a, [], _2012070)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_2043802, _2043804), once(user:catch(read_from_chars([a], _2012070), _2043778, fail)), '$restore_trace'(_2043802, _2043804))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_2043802, _2043804))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2043778, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _2051302)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _2053160)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _2061628)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _2065418)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _2051302=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _1987592=[a]
   Exit: (211) [system] [a]=[a]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (210) [system] _1900646=[abc, a]
   Exit: (210) [system] [abc, a]=[abc, a]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (209) [system] _1567348=['DisjunctionIntroduction', abc, a]
   Exit: (209) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _2079300)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _2081158)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _2089626)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _2093416)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _2079300=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _4690=[['DisjunctionIntroduction', abc, a]]
   Exit: (207) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, a]])
   Call: (206) [system] _4684=[abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (206) [system] [abc, ['DisjunctionIntroduction', abc, a]]=[abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', abc, a]])
   Call: (205) [system] _4676=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
   Exit: (205) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _14960)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _16818)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _23628)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _26332)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _35724)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _39438)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _41296)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _49764)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _39438)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _55334)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (207) [system] 'O'=(;)
^  Call: (207) [user] is_like_space('O')
   Call: (208) [system] char_type('O', 'white')
   Call: (208) [system] char_type('O', end_of_line)
   Call: (208) [system] char_type('O', space)
   Call: (208) [system] char_type('O', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _63802)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (206) [system] 'O'=')'
   Call: (206) [system] 'O'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _67516)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _69374)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (208) [system] 'O'=(;)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _77842)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'O')
   Call: (207) [system] 'O'='('
   Call: (207) [system] 'O'='['
   Call: (207) [system] 'O'='{'
   Call: (207) [system] 'O'='"'
   Call: (207) [system] 'O'=!
   Call: (207) [system] 'O'='\''
   Call: (207) [system] 'O'='`'
   Call: (207) [system] 'O'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _67516)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _88060)
   Call: (209) [system] peek_char((0x56051b6b4f40), _88994)
   Exit: (209) [system] peek_char((0x56051b6b4f40), r)
^  Call: (209) [user] is_delimiter(r)
   Call: (210) [system] char_type(r, space)
   Call: (210) [system] arg(_92786, v('(', ')', end_of_file), r)
   Call: (209) [system] ')'==r
   Call: (209) [system] get_char((0x56051b6b4f40), r)
   Exit: (209) [system] get_char((0x56051b6b4f40), r)
   Call: (209) [system] r=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _97356)
   Call: (210) [system] peek_char((0x56051b6b4f40), _98290)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (210) [user] is_delimiter('L')
   Call: (211) [system] char_type('L', space)
   Call: (211) [system] arg(_102082, v('(', ')', end_of_file), 'L')
   Call: (210) [system] ')'=='L'
   Call: (210) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (210) [system] get_char((0x56051b6b4f40), 'L')
   Call: (210) [system] 'L'=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _106652)
   Call: (211) [system] peek_char((0x56051b6b4f40), _107586)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_111378, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _115948)
   Call: (212) [system] peek_char((0x56051b6b4f40), _116882)
   Exit: (212) [system] peek_char((0x56051b6b4f40), n)
^  Call: (212) [user] is_delimiter(n)
   Call: (213) [system] char_type(n, space)
   Call: (213) [system] arg(_120674, v('(', ')', end_of_file), n)
   Call: (212) [system] ')'==n
   Call: (212) [system] get_char((0x56051b6b4f40), n)
   Exit: (212) [system] get_char((0x56051b6b4f40), n)
   Call: (212) [system] n=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _125244)
   Call: (213) [system] peek_char((0x56051b6b4f40), _126178)
   Exit: (213) [system] peek_char((0x56051b6b4f40), k)
^  Call: (213) [user] is_delimiter(k)
   Call: (214) [system] char_type(k, space)
   Call: (214) [system] arg(_129970, v('(', ')', end_of_file), k)
   Call: (213) [system] ')'==k
   Call: (213) [system] get_char((0x56051b6b4f40), k)
   Exit: (213) [system] get_char((0x56051b6b4f40), k)
   Call: (213) [system] k=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _134540)
   Call: (214) [system] peek_char((0x56051b6b4f40), _135474)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _134540=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _125244=[k]
   Exit: (213) [system] [k]=[k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (212) [system] _115948=[n, k]
   Exit: (212) [system] [n, k]=[n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (211) [system] _106652=[i, n, k]
   Exit: (211) [system] [i, n, k]=[i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (210) [system] _97356=['L', i, n, k]
   Exit: (210) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (209) [system] _88060=[r, 'L', i, n, k]
   Exit: (209) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (208) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _67516)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_158754, _158756), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _67516), _158730, fail)), '$restore_trace'(_158754, _158756))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_158754, _158756))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _67516), _158730, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_67516)
   Call: (209) [system] atom_chars(_67516, ['O', r, 'L', i, n, k])
   Exit: (209) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (208) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _167206)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _169064)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _175874)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _178578)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _187970)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _191684)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _193542)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _202010)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _191684)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _207580)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (210) [system] 'I'=(;)
^  Call: (210) [user] is_like_space('I')
   Call: (211) [system] char_type('I', 'white')
   Call: (211) [system] char_type('I', end_of_line)
   Call: (211) [system] char_type('I', space)
   Call: (211) [system] char_type('I', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _216048)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (209) [system] 'I'=')'
   Call: (209) [system] 'I'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _219762)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _221620)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'=(;)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _230088)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'I')
   Call: (210) [system] 'I'='('
   Call: (210) [system] 'I'='['
   Call: (210) [system] 'I'='{'
   Call: (210) [system] 'I'='"'
   Call: (210) [system] 'I'=!
   Call: (210) [system] 'I'='\''
   Call: (210) [system] 'I'='`'
   Call: (210) [system] 'I'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _219762)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _240306)
   Call: (212) [system] peek_char((0x56051b6b4f40), _241240)
   Exit: (212) [system] peek_char((0x56051b6b4f40), m)
^  Call: (212) [user] is_delimiter(m)
   Call: (213) [system] char_type(m, space)
   Call: (213) [system] arg(_245032, v('(', ')', end_of_file), m)
   Call: (212) [system] ')'==m
   Call: (212) [system] get_char((0x56051b6b4f40), m)
   Exit: (212) [system] get_char((0x56051b6b4f40), m)
   Call: (212) [system] m=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _249602)
   Call: (213) [system] peek_char((0x56051b6b4f40), _250536)
   Exit: (213) [system] peek_char((0x56051b6b4f40), p)
^  Call: (213) [user] is_delimiter(p)
   Call: (214) [system] char_type(p, space)
   Call: (214) [system] arg(_254328, v('(', ')', end_of_file), p)
   Call: (213) [system] ')'==p
   Call: (213) [system] get_char((0x56051b6b4f40), p)
   Exit: (213) [system] get_char((0x56051b6b4f40), p)
   Call: (213) [system] p=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _258898)
   Call: (214) [system] peek_char((0x56051b6b4f40), _259832)
   Exit: (214) [system] peek_char((0x56051b6b4f40), l)
^  Call: (214) [user] is_delimiter(l)
   Call: (215) [system] char_type(l, space)
   Call: (215) [system] arg(_263624, v('(', ')', end_of_file), l)
   Call: (214) [system] ')'==l
   Call: (214) [system] get_char((0x56051b6b4f40), l)
   Exit: (214) [system] get_char((0x56051b6b4f40), l)
   Call: (214) [system] l=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _268194)
   Call: (215) [system] peek_char((0x56051b6b4f40), _269128)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_272920, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _277490)
   Call: (216) [system] peek_char((0x56051b6b4f40), _278424)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_282216, v('(', ')', end_of_file), c)
   Call: (216) [system] ')'==c
   Call: (216) [system] get_char((0x56051b6b4f40), c)
   Exit: (216) [system] get_char((0x56051b6b4f40), c)
   Call: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _286786)
   Call: (217) [system] peek_char((0x56051b6b4f40), _287720)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
^  Call: (217) [user] is_delimiter(a)
   Call: (218) [system] char_type(a, space)
   Call: (218) [system] arg(_291512, v('(', ')', end_of_file), a)
   Call: (217) [system] ')'==a
   Call: (217) [system] get_char((0x56051b6b4f40), a)
   Exit: (217) [system] get_char((0x56051b6b4f40), a)
   Call: (217) [system] a=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _296082)
   Call: (218) [system] peek_char((0x56051b6b4f40), _297016)
   Exit: (218) [system] peek_char((0x56051b6b4f40), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_300808, v('(', ')', end_of_file), t)
   Call: (218) [system] ')'==t
   Call: (218) [system] get_char((0x56051b6b4f40), t)
   Exit: (218) [system] get_char((0x56051b6b4f40), t)
   Call: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _305378)
   Call: (219) [system] peek_char((0x56051b6b4f40), _306312)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_310104, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _314674)
   Call: (220) [system] peek_char((0x56051b6b4f40), _315608)
   Exit: (220) [system] peek_char((0x56051b6b4f40), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_319400, v('(', ')', end_of_file), o)
   Call: (220) [system] ')'==o
   Call: (220) [system] get_char((0x56051b6b4f40), o)
   Exit: (220) [system] get_char((0x56051b6b4f40), o)
   Call: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _323970)
   Call: (221) [system] peek_char((0x56051b6b4f40), _324904)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_328696, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _333266)
   Call: (222) [system] peek_char((0x56051b6b4f40), _334200)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _333266=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _323970=[n]
   Exit: (221) [system] [n]=[n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (220) [system] _314674=[o, n]
   Exit: (220) [system] [o, n]=[o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (219) [system] _305378=[i, o, n]
   Exit: (219) [system] [i, o, n]=[i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (218) [system] _296082=[t, i, o, n]
   Exit: (218) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (217) [system] _286786=[a, t, i, o, n]
   Exit: (217) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (216) [system] _277490=[c, a, t, i, o, n]
   Exit: (216) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (215) [system] _268194=[i, c, a, t, i, o, n]
   Exit: (215) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (214) [system] _258898=[l, i, c, a, t, i, o, n]
   Exit: (214) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (213) [system] _249602=[p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (212) [system] _240306=[m, p, l, i, c, a, t, i, o, n]
   Exit: (212) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _219762)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_371450, _371452), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _219762), _371426, fail)), '$restore_trace'(_371450, _371452))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_371450, _371452))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _219762), _371426, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_219762)
   Call: (212) [system] atom_chars(_219762, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (212) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _379902)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _381760)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _388570)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _391274)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _400666)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _404380)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _406238)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _414706)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _404380)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _420276)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=(;)
^  Call: (213) [user] is_like_space('A')
   Call: (214) [system] char_type('A', 'white')
   Call: (214) [system] char_type('A', end_of_line)
   Call: (214) [system] char_type('A', space)
   Call: (214) [system] char_type('A', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _428744)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _432458)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _434316)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _442784)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _432458)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _453002)
   Call: (215) [system] peek_char((0x56051b6b4f40), _453936)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_457728, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _462298)
   Call: (216) [system] peek_char((0x56051b6b4f40), _463232)
   Exit: (216) [system] peek_char((0x56051b6b4f40), d)
^  Call: (216) [user] is_delimiter(d)
   Call: (217) [system] char_type(d, space)
   Call: (217) [system] arg(_467024, v('(', ')', end_of_file), d)
   Call: (216) [system] ')'==d
   Call: (216) [system] get_char((0x56051b6b4f40), d)
   Exit: (216) [system] get_char((0x56051b6b4f40), d)
   Call: (216) [system] d=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _471594)
   Call: (217) [system] peek_char((0x56051b6b4f40), _472528)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_476320, v('(', ')', end_of_file), 'L')
   Call: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (217) [system] get_char((0x56051b6b4f40), 'L')
   Call: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _480890)
   Call: (218) [system] peek_char((0x56051b6b4f40), _481824)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_485616, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _490186)
   Call: (219) [system] peek_char((0x56051b6b4f40), _491120)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_494912, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _499482)
   Call: (220) [system] peek_char((0x56051b6b4f40), _500416)
   Exit: (220) [system] peek_char((0x56051b6b4f40), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_504208, v('(', ')', end_of_file), k)
   Call: (220) [system] ')'==k
   Call: (220) [system] get_char((0x56051b6b4f40), k)
   Exit: (220) [system] get_char((0x56051b6b4f40), k)
   Call: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _508778)
   Call: (221) [system] peek_char((0x56051b6b4f40), _509712)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _508778=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _499482=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (219) [system] _490186=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (218) [system] _480890=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (217) [system] _471594=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (216) [system] _462298=[d, 'L', i, n, k]
   Exit: (216) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (215) [system] _453002=[n, d, 'L', i, n, k]
   Exit: (215) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _432458)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_535786, _535788), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _432458), _535762, fail)), '$restore_trace'(_535786, _535788))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_535786, _535788))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _432458), _535762, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_432458)
   Call: (215) [system] atom_chars(_432458, ['A', n, d, 'L', i, n, k])
   Exit: (215) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _544238)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _546096)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _552906)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _555610)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _565002)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _568716)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _570574)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _579042)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _568716)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _589260)
   Call: (216) [system] peek_char((0x56051b6b4f40), _590194)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _589260=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('A', [], _568716)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_599504, _599506), once(user:catch(read_from_chars(['A'], _568716), _599480, fail)), '$restore_trace'(_599504, _599506))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_599504, _599506))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _568716), _599480, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_568716)
   Call: (216) [system] atom_chars(_568716, ['A'])
   Exit: (216) [system] atom_chars('A', ['A'])
^  Exit: (215) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _607956)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _609814)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _616624)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _619328)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _628720)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _632434)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _634292)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _642760)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _632434)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _652978)
   Call: (217) [system] peek_char((0x56051b6b4f40), _653912)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_657704, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _652978=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq('B', [], _632434)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_664166, _664168), once(user:catch(read_from_chars(['B'], _632434), _664142, fail)), '$restore_trace'(_664166, _664168))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_664166, _664168))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _632434), _664142, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_632434)
   Call: (217) [system] atom_chars(_632434, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _672618)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _674476)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _682944)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _686734)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _672618=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _607956=['B']
   Exit: (214) [system] ['B']=['B']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (213) [system] _544238=['A', 'B']
   Exit: (213) [system] ['A', 'B']=['A', 'B']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (212) [system] _404380=['AndLink', 'A', 'B']
   Exit: (212) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _700616)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _702474)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _709284)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _711988)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _721380)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (211) [system] 'C'=')'
   Call: (211) [system] 'C'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _725094)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _726952)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=(;)
^  Call: (213) [user] is_like_space('C')
   Call: (214) [system] char_type('C', 'white')
   Call: (214) [system] char_type('C', end_of_line)
   Call: (214) [system] char_type('C', space)
   Call: (214) [system] char_type('C', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _735420)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'='('
   Call: (212) [system] 'C'='['
   Call: (212) [system] 'C'='{'
   Call: (212) [system] 'C'='"'
   Call: (212) [system] 'C'=!
   Call: (212) [system] 'C'='\''
   Call: (212) [system] 'C'='`'
   Call: (212) [system] 'C'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _725094)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _745638)
   Call: (214) [system] peek_char((0x56051b6b4f40), _746572)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (214) [user] is_delimiter(')')
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] arg(_750364, v('(', ')', end_of_file), ')')
   Exit: (215) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (214) [user] is_delimiter(')')
   Call: (214) [system] _745638=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq('C', [], _725094)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_756826, _756828), once(user:catch(read_from_chars(['C'], _725094), _756802, fail)), '$restore_trace'(_756826, _756828))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_756826, _756828))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _725094), _756802, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_725094)
   Call: (214) [system] atom_chars(_725094, ['C'])
   Exit: (214) [system] atom_chars('C', ['C'])
^  Exit: (213) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _765278)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _767136)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _775604)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _779394)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _765278=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _700616=['C']
   Exit: (211) [system] ['C']=['C']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (210) [system] _379902=[['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (209) [system] _191684=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (209) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _793276)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _795134)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _801944)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _804648)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _814040)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _817754)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _819612)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _828080)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _817754)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _833650)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _842118)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _845832)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _847690)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _856158)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _845832)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _866376)
   Call: (213) [system] peek_char((0x56051b6b4f40), _867310)
   Exit: (213) [system] peek_char((0x56051b6b4f40), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_871102, v('(', ')', end_of_file), r)
   Call: (213) [system] ')'==r
   Call: (213) [system] get_char((0x56051b6b4f40), r)
   Exit: (213) [system] get_char((0x56051b6b4f40), r)
   Call: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _875672)
   Call: (214) [system] peek_char((0x56051b6b4f40), _876606)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_880398, v('(', ')', end_of_file), 'L')
   Call: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (214) [system] get_char((0x56051b6b4f40), 'L')
   Call: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _884968)
   Call: (215) [system] peek_char((0x56051b6b4f40), _885902)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_889694, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _894264)
   Call: (216) [system] peek_char((0x56051b6b4f40), _895198)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_898990, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _903560)
   Call: (217) [system] peek_char((0x56051b6b4f40), _904494)
   Exit: (217) [system] peek_char((0x56051b6b4f40), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_908286, v('(', ')', end_of_file), k)
   Call: (217) [system] ')'==k
   Call: (217) [system] get_char((0x56051b6b4f40), k)
   Exit: (217) [system] get_char((0x56051b6b4f40), k)
   Call: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _912856)
   Call: (218) [system] peek_char((0x56051b6b4f40), _913790)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _912856=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (217) [system] _903560=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (216) [system] _894264=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (215) [system] _884968=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (214) [system] _875672=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (213) [system] _866376=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _845832)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_937070, _937072), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _845832), _937046, fail)), '$restore_trace'(_937070, _937072))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_937070, _937072))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _845832), _937046, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_845832)
   Call: (213) [system] atom_chars(_845832, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _945522)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _947380)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _954190)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _956894)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _966286)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _970000)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _971858)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _980326)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _970000)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _985896)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _994364)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _998078)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _999936)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (215) [system] 'I'=(;)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1008404)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _998078)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1018622)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1019556)
   Exit: (216) [system] peek_char((0x56051b6b4f40), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_1023348, v('(', ')', end_of_file), m)
   Call: (216) [system] ')'==m
   Call: (216) [system] get_char((0x56051b6b4f40), m)
   Exit: (216) [system] get_char((0x56051b6b4f40), m)
   Call: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1027918)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1028852)
   Exit: (217) [system] peek_char((0x56051b6b4f40), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_1032644, v('(', ')', end_of_file), p)
   Call: (217) [system] ')'==p
   Call: (217) [system] get_char((0x56051b6b4f40), p)
   Exit: (217) [system] get_char((0x56051b6b4f40), p)
   Call: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1037214)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1038148)
   Exit: (218) [system] peek_char((0x56051b6b4f40), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_1041940, v('(', ')', end_of_file), l)
   Call: (218) [system] ')'==l
   Call: (218) [system] get_char((0x56051b6b4f40), l)
   Exit: (218) [system] get_char((0x56051b6b4f40), l)
   Call: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1046510)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1047444)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1051236, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1055806)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1056740)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1060532, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1065102)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1066036)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_1069828, v('(', ')', end_of_file), a)
   Call: (221) [system] ')'==a
   Call: (221) [system] get_char((0x56051b6b4f40), a)
   Exit: (221) [system] get_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1074398)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1075332)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1079124, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1083694)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1084628)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1088420, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1092990)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1093924)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1097716, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1102286)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1103220)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1107012, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1111582)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1112516)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1111582=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1102286=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (224) [system] _1092990=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (223) [system] _1083694=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (222) [system] _1074398=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (221) [system] _1065102=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (220) [system] _1055806=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (219) [system] _1046510=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (218) [system] _1037214=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _1027918=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _1018622=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _998078)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1149766, _1149768), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _998078), _1149742, fail)), '$restore_trace'(_1149766, _1149768))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1149766, _1149768))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _998078), _1149742, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_998078)
   Call: (216) [system] atom_chars(_998078, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1158218)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1160076)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _1166886)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1169590)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1178982)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1182696)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1184554)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1193022)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1182696)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1198592)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1207060)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1210774)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1212632)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1221100)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1210774)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1231318)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1232252)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1236044, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1240614)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1241548)
   Exit: (220) [system] peek_char((0x56051b6b4f40), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_1245340, v('(', ')', end_of_file), d)
   Call: (220) [system] ')'==d
   Call: (220) [system] get_char((0x56051b6b4f40), d)
   Exit: (220) [system] get_char((0x56051b6b4f40), d)
   Call: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1249910)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1250844)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_1254636, v('(', ')', end_of_file), 'L')
   Call: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (221) [system] get_char((0x56051b6b4f40), 'L')
   Call: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1259206)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1260140)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1263932, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1268502)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1269436)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1273228, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1277798)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1278732)
   Exit: (224) [system] peek_char((0x56051b6b4f40), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_1282524, v('(', ')', end_of_file), k)
   Call: (224) [system] ')'==k
   Call: (224) [system] get_char((0x56051b6b4f40), k)
   Exit: (224) [system] get_char((0x56051b6b4f40), k)
   Call: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1287094)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1288028)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1287094=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1277798=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (223) [system] _1268502=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (222) [system] _1259206=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (221) [system] _1249910=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (220) [system] _1240614=[d, 'L', i, n, k]
   Exit: (220) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (219) [system] _1231318=[n, d, 'L', i, n, k]
   Exit: (219) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1210774)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1314102, _1314104), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1210774), _1314078, fail)), '$restore_trace'(_1314102, _1314104))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1314102, _1314104))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1210774), _1314078, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1210774)
   Call: (219) [system] atom_chars(_1210774, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1322554)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1324412)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1331222)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1333926)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1343318)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1347032)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1348890)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1357358)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1347032)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1367576)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1368510)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1367576=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq('A', [], _1347032)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1377820, _1377822), once(user:catch(read_from_chars(['A'], _1347032), _1377796, fail)), '$restore_trace'(_1377820, _1377822))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1377820, _1377822))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1347032), _1377796, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1347032)
   Call: (220) [system] atom_chars(_1347032, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1386272)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1388130)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1394940)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1397644)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1407036)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1410750)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1412608)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1421076)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'B')
   Call: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1410750)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1431294)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1432228)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1436020, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1431294=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (220) [user] classify_and_convert_charseq('B', [], _1410750)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1442482, _1442484), once(user:catch(read_from_chars(['B'], _1410750), _1442458, fail)), '$restore_trace'(_1442482, _1442484))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1442482, _1442484))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1410750), _1442458, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1410750)
   Call: (221) [system] atom_chars(_1410750, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1450934)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1452792)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1461260)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _1465050)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _1450934=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _1386272=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (217) [system] _1322554=['A', 'B']
   Exit: (217) [system] ['A', 'B']=['A', 'B']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (216) [system] _1182696=['AndLink', 'A', 'B']
   Exit: (216) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1478932)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1480790)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1487600)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1490304)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (217) [system] 'C'=(;)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1499696)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=')'
   Call: (215) [system] 'C'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1503410)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1505268)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (217) [system] 'C'=(;)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1513736)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'C')
   Call: (216) [system] 'C'='('
   Call: (216) [system] 'C'='['
   Call: (216) [system] 'C'='{'
   Call: (216) [system] 'C'='"'
   Call: (216) [system] 'C'=!
   Call: (216) [system] 'C'='\''
   Call: (216) [system] 'C'='`'
   Call: (216) [system] 'C'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1503410)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1523954)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1524888)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1528680, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1523954=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('C', [], _1503410)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1535142, _1535144), once(user:catch(read_from_chars(['C'], _1503410), _1535118, fail)), '$restore_trace'(_1535142, _1535144))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1535142, _1535144))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1503410), _1535118, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1503410)
   Call: (218) [system] atom_chars(_1503410, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1543594)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1545452)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1553920)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _1557710)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _1543594=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1478932=['C']
   Exit: (215) [system] ['C']=['C']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (214) [system] _1158218=[['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (213) [system] _970000=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1571592)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1573450)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1580260)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1582964)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1592356)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (212) [system] 'A'=')'
   Call: (212) [system] 'A'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1596070)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1597928)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1606396)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'='('
   Call: (213) [system] 'A'='['
   Call: (213) [system] 'A'='{'
   Call: (213) [system] 'A'='"'
   Call: (213) [system] 'A'=!
   Call: (213) [system] 'A'='\''
   Call: (213) [system] 'A'='`'
   Call: (213) [system] 'A'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1596070)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1616614)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1617548)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1621340, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1616614=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('A', [], _1596070)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1627802, _1627804), once(user:catch(read_from_chars(['A'], _1596070), _1627778, fail)), '$restore_trace'(_1627802, _1627804))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1627802, _1627804))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1596070), _1627778, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1596070)
   Call: (215) [system] atom_chars(_1596070, ['A'])
   Exit: (215) [system] atom_chars('A', ['A'])
^  Exit: (214) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1636254)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1638112)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1646580)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _1650370)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _1636254=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _1571592=['A']
   Exit: (212) [system] ['A']=['A']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (211) [system] _945522=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (211) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (210) [system] _817754=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (210) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1664252)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1666110)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1674578)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _1678368)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _1664252=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _793276=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (208) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (207) [system] _167206=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (207) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (206) [system] _39438=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (206) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1692250)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1694108)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=(;)
^  Call: (206) [user] is_like_space(')')
   Call: (207) [system] char_type(')', 'white')
   Call: (207) [system] char_type(')', end_of_line)
   Call: (207) [system] char_type(')', space)
   Call: (207) [system] char_type(')', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1702576)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ')')
   Call: (205) [system] ')'=')'
   Exit: (205) [system] ')'=')'
   Call: (205) [system] get_char((0x56051b6b4f40), _1706366)
   Exit: (205) [system] get_char((0x56051b6b4f40), ')')
   Call: (205) [system] _1692250=[]
   Exit: (205) [system] []=[]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (204) [system] _14960=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (204) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (203) [system] _4672=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (203) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (202) [system] _4664=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (202) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (201) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Exit: (200) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Call: (200) [user] read_list(')', (0x56051b6b4f40), _1720248)
^  Call: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _1722106)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (202) [system] '\n'=(;)
^  Call: (202) [user] is_like_space('\n')
   Call: (203) [system] char_type('\n', 'white')
   Call: (203) [system] char_type('\n', end_of_line)
   Exit: (203) [system] char_type('\n', end_of_line)
^  Exit: (202) [user] is_like_space('\n')
   Call: (202) [system] get_char((0x56051b6b4f40), _1729722)
   Exit: (202) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1732426)
   Exit: (203) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (203) [system] ' '=(;)
^  Call: (203) [user] is_like_space(' ')
   Call: (204) [system] char_type(' ', 'white')
   Exit: (204) [system] char_type(' ', 'white')
^  Exit: (203) [user] is_like_space(' ')
   Call: (203) [system] get_char((0x56051b6b4f40), _1739236)
   Exit: (203) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1741940)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (201) [user] skip_spaces((0x56051b6b4f40))
   Call: (201) [system] peek_char((0x56051b6b4f40), _1752256)
   Exit: (201) [system] peek_char((0x56051b6b4f40), '(')
   Call: (201) [system] '('=')'
   Call: (201) [system] '('=end_of_file
^  Call: (201) [user] cont_sexpr(')', (0x56051b6b4f40), _1755970)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1757828)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=(;)
^  Call: (203) [user] is_like_space('(')
   Call: (204) [system] char_type('(', 'white')
   Call: (204) [system] char_type('(', end_of_line)
   Call: (204) [system] char_type('(', space)
   Call: (204) [system] char_type('(', cntrl)
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] get_char((0x56051b6b4f40), _1766296)
   Exit: (202) [system] get_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('='('
   Exit: (202) [system] '('='('
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _1755970)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1771866)
   Exit: (204) [system] peek_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)=(;)
^  Call: (204) [user] is_like_space(:)
   Call: (205) [system] char_type(:, 'white')
   Call: (205) [system] char_type(:, end_of_line)
   Call: (205) [system] char_type(:, space)
   Call: (205) [system] char_type(:, cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _1780334)
   Exit: (203) [system] peek_char((0x56051b6b4f40), :)
   Call: (203) [system] (:)=')'
   Call: (203) [system] (:)=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _1784048)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1785906)
   Exit: (205) [system] peek_char((0x56051b6b4f40), :)
   Call: (205) [system] (:)=(;)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _1794374)
   Exit: (204) [system] get_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)='('
   Call: (204) [system] (:)='['
   Call: (204) [system] (:)='{'
   Call: (204) [system] (:)='"'
   Call: (204) [system] (:)=!
   Call: (204) [system] (:)='\''
   Call: (204) [system] (:)='`'
   Call: (204) [system] (:)=end_of_file
^  Call: (204) [user] read_symbolic(')', (0x56051b6b4f40), :, _1784048)
^  Call: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1804592)
   Call: (206) [system] peek_char((0x56051b6b4f40), _1805526)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] is_delimiter(' ')
   Call: (207) [system] char_type(' ', space)
   Exit: (207) [system] char_type(' ', space)
^  Exit: (206) [user] is_delimiter(' ')
   Call: (206) [system] _1804592=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (205) [user] classify_and_convert_charseq(:, [], _1784048)
^  Call: (207) [system] setup_call_cleanup('$notrace'(_1814836, _1814838), once(user:catch(read_from_chars([:], _1784048), _1814812, fail)), '$restore_trace'(_1814836, _1814838))
^  Call: (208) [system] sig_atomic(system:'$notrace'(_1814836, _1814838))
^  Exit: (207) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1814812, fail)), system:'$restore_trace'(3, -1))
   Call: (206) [system] atomic(:)
   Exit: (206) [system] atomic(:)
^  Exit: (205) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (204) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1822336)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1824194)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _1831004)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1833708)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1843100)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1846814)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1848672)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1857140)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1846814)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1862710)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (207) [system] 'D'=(;)
^  Call: (207) [user] is_like_space('D')
   Call: (208) [system] char_type('D', 'white')
   Call: (208) [system] char_type('D', end_of_line)
   Call: (208) [system] char_type('D', space)
   Call: (208) [system] char_type('D', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1871178)
   Exit: (206) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (206) [system] 'D'=')'
   Call: (206) [system] 'D'=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1874892)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1876750)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (208) [system] 'D'=(;)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1885218)
   Exit: (207) [system] get_char((0x56051b6b4f40), 'D')
   Call: (207) [system] 'D'='('
   Call: (207) [system] 'D'='['
   Call: (207) [system] 'D'='{'
   Call: (207) [system] 'D'='"'
   Call: (207) [system] 'D'=!
   Call: (207) [system] 'D'='\''
   Call: (207) [system] 'D'='`'
   Call: (207) [system] 'D'=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1874892)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1895436)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1896370)
   Exit: (209) [system] peek_char((0x56051b6b4f40), i)
^  Call: (209) [user] is_delimiter(i)
   Call: (210) [system] char_type(i, space)
   Call: (210) [system] arg(_1900162, v('(', ')', end_of_file), i)
   Call: (209) [system] ')'==i
   Call: (209) [system] get_char((0x56051b6b4f40), i)
   Exit: (209) [system] get_char((0x56051b6b4f40), i)
   Call: (209) [system] i=(\)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1904732)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1905666)
   Exit: (210) [system] peek_char((0x56051b6b4f40), s)
^  Call: (210) [user] is_delimiter(s)
   Call: (211) [system] char_type(s, space)
   Call: (211) [system] arg(_1909458, v('(', ')', end_of_file), s)
   Call: (210) [system] ')'==s
   Call: (210) [system] get_char((0x56051b6b4f40), s)
   Exit: (210) [system] get_char((0x56051b6b4f40), s)
   Call: (210) [system] s=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1914028)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1914962)
   Exit: (211) [system] peek_char((0x56051b6b4f40), j)
^  Call: (211) [user] is_delimiter(j)
   Call: (212) [system] char_type(j, space)
   Call: (212) [system] arg(_1918754, v('(', ')', end_of_file), j)
   Call: (211) [system] ')'==j
   Call: (211) [system] get_char((0x56051b6b4f40), j)
   Exit: (211) [system] get_char((0x56051b6b4f40), j)
   Call: (211) [system] j=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1923324)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1924258)
   Exit: (212) [system] peek_char((0x56051b6b4f40), u)
^  Call: (212) [user] is_delimiter(u)
   Call: (213) [system] char_type(u, space)
   Call: (213) [system] arg(_1928050, v('(', ')', end_of_file), u)
   Call: (212) [system] ')'==u
   Call: (212) [system] get_char((0x56051b6b4f40), u)
   Exit: (212) [system] get_char((0x56051b6b4f40), u)
   Call: (212) [system] u=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1932620)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1933554)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_1937346, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1941916)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1942850)
   Exit: (214) [system] peek_char((0x56051b6b4f40), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1946642, v('(', ')', end_of_file), c)
   Call: (214) [system] ')'==c
   Call: (214) [system] get_char((0x56051b6b4f40), c)
   Exit: (214) [system] get_char((0x56051b6b4f40), c)
   Call: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1951212)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1952146)
   Exit: (215) [system] peek_char((0x56051b6b4f40), t)
^  Call: (215) [user] is_delimiter(t)
   Call: (216) [system] char_type(t, space)
   Call: (216) [system] arg(_1955938, v('(', ')', end_of_file), t)
   Call: (215) [system] ')'==t
   Call: (215) [system] get_char((0x56051b6b4f40), t)
   Exit: (215) [system] get_char((0x56051b6b4f40), t)
   Call: (215) [system] t=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1960508)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1961442)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1965234, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1969804)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1970738)
   Exit: (217) [system] peek_char((0x56051b6b4f40), o)
^  Call: (217) [user] is_delimiter(o)
   Call: (218) [system] char_type(o, space)
   Call: (218) [system] arg(_1974530, v('(', ')', end_of_file), o)
   Call: (217) [system] ')'==o
   Call: (217) [system] get_char((0x56051b6b4f40), o)
   Exit: (217) [system] get_char((0x56051b6b4f40), o)
   Call: (217) [system] o=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1979100)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1980034)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1983826, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1988396)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1989330)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (219) [user] is_delimiter('I')
   Call: (220) [system] char_type('I', space)
   Call: (220) [system] arg(_1993122, v('(', ')', end_of_file), 'I')
   Call: (219) [system] ')'=='I'
   Call: (219) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1997692)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1998626)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_2002418, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2006988)
   Call: (221) [system] peek_char((0x56051b6b4f40), _2007922)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_2011714, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2016284)
   Call: (222) [system] peek_char((0x56051b6b4f40), _2017218)
   Exit: (222) [system] peek_char((0x56051b6b4f40), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_2021010, v('(', ')', end_of_file), r)
   Call: (222) [system] ')'==r
   Call: (222) [system] get_char((0x56051b6b4f40), r)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2025580)
   Call: (223) [system] peek_char((0x56051b6b4f40), _2026514)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_2030306, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2034876)
   Call: (224) [system] peek_char((0x56051b6b4f40), _2035810)
   Exit: (224) [system] peek_char((0x56051b6b4f40), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_2039602, v('(', ')', end_of_file), d)
   Call: (224) [system] ')'==d
   Call: (224) [system] get_char((0x56051b6b4f40), d)
   Exit: (224) [system] get_char((0x56051b6b4f40), d)
   Call: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2044172)
   Call: (225) [system] peek_char((0x56051b6b4f40), _2045106)
   Exit: (225) [system] peek_char((0x56051b6b4f40), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_2048898, v('(', ')', end_of_file), u)
   Call: (225) [system] ')'==u
   Call: (225) [system] get_char((0x56051b6b4f40), u)
   Exit: (225) [system] get_char((0x56051b6b4f40), u)
   Call: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2053468)
   Call: (226) [system] peek_char((0x56051b6b4f40), _2054402)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_2058194, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2062764)
   Call: (227) [system] peek_char((0x56051b6b4f40), _2063698)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_2067490, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2072060)
   Call: (228) [system] peek_char((0x56051b6b4f40), _2072994)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_2076786, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2081356)
   Call: (229) [system] peek_char((0x56051b6b4f40), _2082290)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_2086082, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2090652)
   Call: (230) [system] peek_char((0x56051b6b4f40), _2091586)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_2095378, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _8080)
   Call: (231) [system] peek_char((0x56051b6b4f40), _9014)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _8080=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _4938=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (229) [system] _4934=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (228) [system] _4930=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (227) [system] _4926=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (226) [system] _4922=[c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (225) [system] _4918=[u, c, t, i, o, n]
   Exit: (225) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (224) [system] _4914=[d, u, c, t, i, o, n]
   Exit: (224) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (223) [system] _4910=[o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (222) [system] _4906=[r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _4902=[t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _4898=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _4894=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _4890=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _4886=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _4882=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _4878=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _4874=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _4870=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _4866=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _4862=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _4858=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (209) [system] _4854=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (209) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (208) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4850)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_79792, _79794), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4850), _79768, fail)), '$restore_trace'(_79792, _79794))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_79792, _79794))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _4850), _79768, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(_4850)
   Call: (209) [system] atom_chars(_4850, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (209) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (208) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _88244)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _90102)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _96912)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _99616)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _109008)
   Exit: (207) [system] peek_char((0x56051b6b4f40), a)
   Call: (207) [system] a=')'
   Call: (207) [system] a=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _112722)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _114580)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=(;)
^  Call: (209) [user] is_like_space(a)
   Call: (210) [system] char_type(a, 'white')
   Call: (210) [system] char_type(a, end_of_line)
   Call: (210) [system] char_type(a, space)
   Call: (210) [system] char_type(a, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _123048)
   Exit: (208) [system] get_char((0x56051b6b4f40), a)
   Call: (208) [system] a='('
   Call: (208) [system] a='['
   Call: (208) [system] a='{'
   Call: (208) [system] a='"'
   Call: (208) [system] a=!
   Call: (208) [system] a='\''
   Call: (208) [system] a='`'
   Call: (208) [system] a=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), a, _112722)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _133266)
   Call: (210) [system] peek_char((0x56051b6b4f40), _134200)
   Exit: (210) [system] peek_char((0x56051b6b4f40), b)
^  Call: (210) [user] is_delimiter(b)
   Call: (211) [system] char_type(b, space)
   Call: (211) [system] arg(_137992, v('(', ')', end_of_file), b)
   Call: (210) [system] ')'==b
   Call: (210) [system] get_char((0x56051b6b4f40), b)
   Exit: (210) [system] get_char((0x56051b6b4f40), b)
   Call: (210) [system] b=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _142562)
   Call: (211) [system] peek_char((0x56051b6b4f40), _143496)
   Exit: (211) [system] peek_char((0x56051b6b4f40), c)
^  Call: (211) [user] is_delimiter(c)
   Call: (212) [system] char_type(c, space)
   Call: (212) [system] arg(_147288, v('(', ')', end_of_file), c)
   Call: (211) [system] ')'==c
   Call: (211) [system] get_char((0x56051b6b4f40), c)
   Exit: (211) [system] get_char((0x56051b6b4f40), c)
   Call: (211) [system] c=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _151858)
   Call: (212) [system] peek_char((0x56051b6b4f40), _152792)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _151858=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (211) [system] _142562=[c]
   Exit: (211) [system] [c]=[c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (210) [system] _133266=[b, c]
   Exit: (210) [system] [b, c]=[b, c]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (209) [user] classify_and_convert_charseq(a, [b, c], _112722)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_167690, _167692), once(user:catch(read_from_chars([a, b, c], _112722), _167666, fail)), '$restore_trace'(_167690, _167692))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_167690, _167692))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _167666, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(abc)
   Exit: (210) [system] atomic(abc)
^  Exit: (209) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _175190)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _177048)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _183858)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _186562)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _195954)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _199668)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _201526)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _209994)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _199668)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _215564)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _224032)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _227746)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _229604)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _238072)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _227746)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _248290)
   Call: (213) [system] peek_char((0x56051b6b4f40), _249224)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_253016, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _257586)
   Call: (214) [system] peek_char((0x56051b6b4f40), _258520)
   Exit: (214) [system] peek_char((0x56051b6b4f40), s)
^  Call: (214) [user] is_delimiter(s)
   Call: (215) [system] char_type(s, space)
   Call: (215) [system] arg(_262312, v('(', ')', end_of_file), s)
   Call: (214) [system] ')'==s
   Call: (214) [system] get_char((0x56051b6b4f40), s)
   Exit: (214) [system] get_char((0x56051b6b4f40), s)
   Call: (214) [system] s=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _266882)
   Call: (215) [system] peek_char((0x56051b6b4f40), _267816)
   Exit: (215) [system] peek_char((0x56051b6b4f40), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_271608, v('(', ')', end_of_file), j)
   Call: (215) [system] ')'==j
   Call: (215) [system] get_char((0x56051b6b4f40), j)
   Exit: (215) [system] get_char((0x56051b6b4f40), j)
   Call: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _276178)
   Call: (216) [system] peek_char((0x56051b6b4f40), _277112)
   Exit: (216) [system] peek_char((0x56051b6b4f40), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_280904, v('(', ')', end_of_file), u)
   Call: (216) [system] ')'==u
   Call: (216) [system] get_char((0x56051b6b4f40), u)
   Exit: (216) [system] get_char((0x56051b6b4f40), u)
   Call: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _285474)
   Call: (217) [system] peek_char((0x56051b6b4f40), _286408)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_290200, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _294770)
   Call: (218) [system] peek_char((0x56051b6b4f40), _295704)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_299496, v('(', ')', end_of_file), c)
   Call: (218) [system] ')'==c
   Call: (218) [system] get_char((0x56051b6b4f40), c)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _304066)
   Call: (219) [system] peek_char((0x56051b6b4f40), _305000)
   Exit: (219) [system] peek_char((0x56051b6b4f40), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_308792, v('(', ')', end_of_file), t)
   Call: (219) [system] ')'==t
   Call: (219) [system] get_char((0x56051b6b4f40), t)
   Exit: (219) [system] get_char((0x56051b6b4f40), t)
   Call: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _313362)
   Call: (220) [system] peek_char((0x56051b6b4f40), _314296)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_318088, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _322658)
   Call: (221) [system] peek_char((0x56051b6b4f40), _323592)
   Exit: (221) [system] peek_char((0x56051b6b4f40), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_327384, v('(', ')', end_of_file), o)
   Call: (221) [system] ')'==o
   Call: (221) [system] get_char((0x56051b6b4f40), o)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _331954)
   Call: (222) [system] peek_char((0x56051b6b4f40), _332888)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_336680, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _341250)
   Call: (223) [system] peek_char((0x56051b6b4f40), _342184)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_345976, v('(', ')', end_of_file), 'I')
   Call: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (223) [system] get_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _350546)
   Call: (224) [system] peek_char((0x56051b6b4f40), _351480)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_355272, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _359842)
   Call: (225) [system] peek_char((0x56051b6b4f40), _360776)
   Exit: (225) [system] peek_char((0x56051b6b4f40), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_364568, v('(', ')', end_of_file), t)
   Call: (225) [system] ')'==t
   Call: (225) [system] get_char((0x56051b6b4f40), t)
   Exit: (225) [system] get_char((0x56051b6b4f40), t)
   Call: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _369138)
   Call: (226) [system] peek_char((0x56051b6b4f40), _370072)
   Exit: (226) [system] peek_char((0x56051b6b4f40), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_373864, v('(', ')', end_of_file), r)
   Call: (226) [system] ')'==r
   Call: (226) [system] get_char((0x56051b6b4f40), r)
   Exit: (226) [system] get_char((0x56051b6b4f40), r)
   Call: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _378434)
   Call: (227) [system] peek_char((0x56051b6b4f40), _379368)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_383160, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _387730)
   Call: (228) [system] peek_char((0x56051b6b4f40), _388664)
   Exit: (228) [system] peek_char((0x56051b6b4f40), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_392456, v('(', ')', end_of_file), d)
   Call: (228) [system] ')'==d
   Call: (228) [system] get_char((0x56051b6b4f40), d)
   Exit: (228) [system] get_char((0x56051b6b4f40), d)
   Call: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _397026)
   Call: (229) [system] peek_char((0x56051b6b4f40), _397960)
   Exit: (229) [system] peek_char((0x56051b6b4f40), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_401752, v('(', ')', end_of_file), u)
   Call: (229) [system] ')'==u
   Call: (229) [system] get_char((0x56051b6b4f40), u)
   Exit: (229) [system] get_char((0x56051b6b4f40), u)
   Call: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _406322)
   Call: (230) [system] peek_char((0x56051b6b4f40), _407256)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_411048, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _415618)
   Call: (231) [system] peek_char((0x56051b6b4f40), _416552)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_420344, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _424914)
   Call: (232) [system] peek_char((0x56051b6b4f40), _425848)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_429640, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _434210)
   Call: (233) [system] peek_char((0x56051b6b4f40), _435144)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_438936, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _443506)
   Call: (234) [system] peek_char((0x56051b6b4f40), _444440)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_448232, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _452802)
   Call: (235) [system] peek_char((0x56051b6b4f40), _453736)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _452802=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _443506=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (233) [system] _434210=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (232) [system] _424914=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (231) [system] _415618=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (230) [system] _406322=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (229) [system] _397026=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (228) [system] _387730=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (227) [system] _378434=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _369138=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _359842=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _350546=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _341250=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _331954=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _322658=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _313362=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _304066=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _294770=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _285474=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _276178=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _266882=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _257586=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _248290=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _227746)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_524514, _524516), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _227746), _524490, fail)), '$restore_trace'(_524514, _524516))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_524514, _524516))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _227746), _524490, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_227746)
   Call: (213) [system] atom_chars(_227746, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _532966)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _534824)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _541634)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _544338)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _553730)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _557444)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _559302)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _567770)
   Exit: (212) [system] get_char((0x56051b6b4f40), a)
   Call: (212) [system] a='('
   Call: (212) [system] a='['
   Call: (212) [system] a='{'
   Call: (212) [system] a='"'
   Call: (212) [system] a=!
   Call: (212) [system] a='\''
   Call: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), a, _557444)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _577988)
   Call: (214) [system] peek_char((0x56051b6b4f40), _578922)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _577988=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq(a, [], _557444)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_588232, _588234), once(user:catch(read_from_chars([a], _557444), _588208, fail)), '$restore_trace'(_588232, _588234))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_588232, _588234))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _588208, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(a)
   Exit: (214) [system] atomic(a)
^  Exit: (213) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _595732)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _597590)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _604400)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _607104)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _616496)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _620210)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _622068)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _630536)
   Exit: (213) [system] get_char((0x56051b6b4f40), a)
   Call: (213) [system] a='('
   Call: (213) [system] a='['
   Call: (213) [system] a='{'
   Call: (213) [system] a='"'
   Call: (213) [system] a=!
   Call: (213) [system] a='\''
   Call: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), a, _620210)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _640754)
   Call: (215) [system] peek_char((0x56051b6b4f40), _641688)
   Exit: (215) [system] peek_char((0x56051b6b4f40), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_645480, v('(', ')', end_of_file), b)
   Call: (215) [system] ')'==b
   Call: (215) [system] get_char((0x56051b6b4f40), b)
   Exit: (215) [system] get_char((0x56051b6b4f40), b)
   Call: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _650050)
   Call: (216) [system] peek_char((0x56051b6b4f40), _650984)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_654776, v('(', ')', end_of_file), c)
   Call: (216) [system] ')'==c
   Call: (216) [system] get_char((0x56051b6b4f40), c)
   Exit: (216) [system] get_char((0x56051b6b4f40), c)
   Call: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _659346)
   Call: (217) [system] peek_char((0x56051b6b4f40), _660280)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_664072, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _659346=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _650050=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (215) [system] _640754=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (214) [user] classify_and_convert_charseq(a, [b, c], _620210)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_676122, _676124), once(user:catch(read_from_chars([a, b, c], _620210), _676098, fail)), '$restore_trace'(_676122, _676124))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_676122, _676124))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _676098, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(abc)
   Exit: (215) [system] atomic(abc)
^  Exit: (214) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _683622)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _685480)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _693948)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _697738)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _683622=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _595732=[abc]
   Exit: (212) [system] [abc]=[abc]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (211) [system] _532966=[a, abc]
   Exit: (211) [system] [a, abc]=[a, abc]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [a, abc])
   Call: (210) [system] _199668=['DisjunctionIntroduction', a, abc]
   Exit: (210) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _711620)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _713478)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _721946)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _725736)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _711620=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _175190=[['DisjunctionIntroduction', a, abc]]
   Exit: (208) [system] [['DisjunctionIntroduction', a, abc]]=[['DisjunctionIntroduction', a, abc]]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, abc]])
   Call: (207) [system] _88244=[abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (207) [system] [abc, ['DisjunctionIntroduction', a, abc]]=[abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', a, abc]])
   Call: (206) [system] _4844=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (206) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _739618)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _741476)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _748286)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _750990)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _760382)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _764096)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _765954)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _774422)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _764096)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _779992)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (208) [system] 'O'=(;)
^  Call: (208) [user] is_like_space('O')
   Call: (209) [system] char_type('O', 'white')
   Call: (209) [system] char_type('O', end_of_line)
   Call: (209) [system] char_type('O', space)
   Call: (209) [system] char_type('O', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _788460)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (207) [system] 'O'=')'
   Call: (207) [system] 'O'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _792174)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _794032)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _802500)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'O')
   Call: (208) [system] 'O'='('
   Call: (208) [system] 'O'='['
   Call: (208) [system] 'O'='{'
   Call: (208) [system] 'O'='"'
   Call: (208) [system] 'O'=!
   Call: (208) [system] 'O'='\''
   Call: (208) [system] 'O'='`'
   Call: (208) [system] 'O'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _792174)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _812718)
   Call: (210) [system] peek_char((0x56051b6b4f40), _813652)
   Exit: (210) [system] peek_char((0x56051b6b4f40), r)
^  Call: (210) [user] is_delimiter(r)
   Call: (211) [system] char_type(r, space)
   Call: (211) [system] arg(_817444, v('(', ')', end_of_file), r)
   Call: (210) [system] ')'==r
   Call: (210) [system] get_char((0x56051b6b4f40), r)
   Exit: (210) [system] get_char((0x56051b6b4f40), r)
   Call: (210) [system] r=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _822014)
   Call: (211) [system] peek_char((0x56051b6b4f40), _822948)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (211) [user] is_delimiter('L')
   Call: (212) [system] char_type('L', space)
   Call: (212) [system] arg(_826740, v('(', ')', end_of_file), 'L')
   Call: (211) [system] ')'=='L'
   Call: (211) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (211) [system] get_char((0x56051b6b4f40), 'L')
   Call: (211) [system] 'L'=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _831310)
   Call: (212) [system] peek_char((0x56051b6b4f40), _832244)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_836036, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _840606)
   Call: (213) [system] peek_char((0x56051b6b4f40), _841540)
   Exit: (213) [system] peek_char((0x56051b6b4f40), n)
^  Call: (213) [user] is_delimiter(n)
   Call: (214) [system] char_type(n, space)
   Call: (214) [system] arg(_845332, v('(', ')', end_of_file), n)
   Call: (213) [system] ')'==n
   Call: (213) [system] get_char((0x56051b6b4f40), n)
   Exit: (213) [system] get_char((0x56051b6b4f40), n)
   Call: (213) [system] n=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _849902)
   Call: (214) [system] peek_char((0x56051b6b4f40), _850836)
   Exit: (214) [system] peek_char((0x56051b6b4f40), k)
^  Call: (214) [user] is_delimiter(k)
   Call: (215) [system] char_type(k, space)
   Call: (215) [system] arg(_854628, v('(', ')', end_of_file), k)
   Call: (214) [system] ')'==k
   Call: (214) [system] get_char((0x56051b6b4f40), k)
   Exit: (214) [system] get_char((0x56051b6b4f40), k)
   Call: (214) [system] k=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _859198)
   Call: (215) [system] peek_char((0x56051b6b4f40), _860132)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _859198=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _849902=[k]
   Exit: (214) [system] [k]=[k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (213) [system] _840606=[n, k]
   Exit: (213) [system] [n, k]=[n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (212) [system] _831310=[i, n, k]
   Exit: (212) [system] [i, n, k]=[i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (211) [system] _822014=['L', i, n, k]
   Exit: (211) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (210) [system] _812718=[r, 'L', i, n, k]
   Exit: (210) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _792174)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_883412, _883414), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _792174), _883388, fail)), '$restore_trace'(_883412, _883414))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_883412, _883414))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _792174), _883388, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_792174)
   Call: (210) [system] atom_chars(_792174, ['O', r, 'L', i, n, k])
   Exit: (210) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (209) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _891864)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _893722)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _900532)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _903236)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _912628)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _916342)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _918200)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _926668)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _916342)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _932238)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'=(;)
^  Call: (211) [user] is_like_space('I')
   Call: (212) [system] char_type('I', 'white')
   Call: (212) [system] char_type('I', end_of_line)
   Call: (212) [system] char_type('I', space)
   Call: (212) [system] char_type('I', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _940706)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (210) [system] 'I'=')'
   Call: (210) [system] 'I'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _944420)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _946278)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _954746)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'='('
   Call: (211) [system] 'I'='['
   Call: (211) [system] 'I'='{'
   Call: (211) [system] 'I'='"'
   Call: (211) [system] 'I'=!
   Call: (211) [system] 'I'='\''
   Call: (211) [system] 'I'='`'
   Call: (211) [system] 'I'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _944420)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _964964)
   Call: (213) [system] peek_char((0x56051b6b4f40), _965898)
   Exit: (213) [system] peek_char((0x56051b6b4f40), m)
^  Call: (213) [user] is_delimiter(m)
   Call: (214) [system] char_type(m, space)
   Call: (214) [system] arg(_969690, v('(', ')', end_of_file), m)
   Call: (213) [system] ')'==m
   Call: (213) [system] get_char((0x56051b6b4f40), m)
   Exit: (213) [system] get_char((0x56051b6b4f40), m)
   Call: (213) [system] m=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _974260)
   Call: (214) [system] peek_char((0x56051b6b4f40), _975194)
   Exit: (214) [system] peek_char((0x56051b6b4f40), p)
^  Call: (214) [user] is_delimiter(p)
   Call: (215) [system] char_type(p, space)
   Call: (215) [system] arg(_978986, v('(', ')', end_of_file), p)
   Call: (214) [system] ')'==p
   Call: (214) [system] get_char((0x56051b6b4f40), p)
   Exit: (214) [system] get_char((0x56051b6b4f40), p)
   Call: (214) [system] p=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _983556)
   Call: (215) [system] peek_char((0x56051b6b4f40), _984490)
   Exit: (215) [system] peek_char((0x56051b6b4f40), l)
^  Call: (215) [user] is_delimiter(l)
   Call: (216) [system] char_type(l, space)
   Call: (216) [system] arg(_988282, v('(', ')', end_of_file), l)
   Call: (215) [system] ')'==l
   Call: (215) [system] get_char((0x56051b6b4f40), l)
   Exit: (215) [system] get_char((0x56051b6b4f40), l)
   Call: (215) [system] l=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _992852)
   Call: (216) [system] peek_char((0x56051b6b4f40), _993786)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_997578, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1002148)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1003082)
   Exit: (217) [system] peek_char((0x56051b6b4f40), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1006874, v('(', ')', end_of_file), c)
   Call: (217) [system] ')'==c
   Call: (217) [system] get_char((0x56051b6b4f40), c)
   Exit: (217) [system] get_char((0x56051b6b4f40), c)
   Call: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1011444)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1012378)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
^  Call: (218) [user] is_delimiter(a)
   Call: (219) [system] char_type(a, space)
   Call: (219) [system] arg(_1016170, v('(', ')', end_of_file), a)
   Call: (218) [system] ')'==a
   Call: (218) [system] get_char((0x56051b6b4f40), a)
   Exit: (218) [system] get_char((0x56051b6b4f40), a)
   Call: (218) [system] a=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1020740)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1021674)
   Exit: (219) [system] peek_char((0x56051b6b4f40), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1025466, v('(', ')', end_of_file), t)
   Call: (219) [system] ')'==t
   Call: (219) [system] get_char((0x56051b6b4f40), t)
   Exit: (219) [system] get_char((0x56051b6b4f40), t)
   Call: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1030036)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1030970)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1034762, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1039332)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1040266)
   Exit: (221) [system] peek_char((0x56051b6b4f40), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1044058, v('(', ')', end_of_file), o)
   Call: (221) [system] ')'==o
   Call: (221) [system] get_char((0x56051b6b4f40), o)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1048628)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1049562)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1053354, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1057924)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1058858)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1057924=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1048628=[n]
   Exit: (222) [system] [n]=[n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (221) [system] _1039332=[o, n]
   Exit: (221) [system] [o, n]=[o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (220) [system] _1030036=[i, o, n]
   Exit: (220) [system] [i, o, n]=[i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (219) [system] _1020740=[t, i, o, n]
   Exit: (219) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (218) [system] _1011444=[a, t, i, o, n]
   Exit: (218) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (217) [system] _1002148=[c, a, t, i, o, n]
   Exit: (217) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (216) [system] _992852=[i, c, a, t, i, o, n]
   Exit: (216) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (215) [system] _983556=[l, i, c, a, t, i, o, n]
   Exit: (215) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (214) [system] _974260=[p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (213) [system] _964964=[m, p, l, i, c, a, t, i, o, n]
   Exit: (213) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _944420)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1096108, _1096110), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _944420), _1096084, fail)), '$restore_trace'(_1096108, _1096110))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1096108, _1096110))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _944420), _1096084, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_944420)
   Call: (213) [system] atom_chars(_944420, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (213) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1104560)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1106418)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1113228)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1115932)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1125324)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1129038)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1130896)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1139364)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1129038)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1144934)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=(;)
^  Call: (214) [user] is_like_space('A')
   Call: (215) [system] char_type('A', 'white')
   Call: (215) [system] char_type('A', end_of_line)
   Call: (215) [system] char_type('A', space)
   Call: (215) [system] char_type('A', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1153402)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (213) [system] 'A'=')'
   Call: (213) [system] 'A'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1157116)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1158974)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1167442)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'='('
   Call: (214) [system] 'A'='['
   Call: (214) [system] 'A'='{'
   Call: (214) [system] 'A'='"'
   Call: (214) [system] 'A'=!
   Call: (214) [system] 'A'='\''
   Call: (214) [system] 'A'='`'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1157116)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1177660)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1178594)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1182386, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1186956)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1187890)
   Exit: (217) [system] peek_char((0x56051b6b4f40), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1191682, v('(', ')', end_of_file), d)
   Call: (217) [system] ')'==d
   Call: (217) [system] get_char((0x56051b6b4f40), d)
   Exit: (217) [system] get_char((0x56051b6b4f40), d)
   Call: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1196252)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1197186)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1200978, v('(', ')', end_of_file), 'L')
   Call: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (218) [system] get_char((0x56051b6b4f40), 'L')
   Call: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1205548)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1206482)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1210274, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1214844)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1215778)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1219570, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1224140)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1225074)
   Exit: (221) [system] peek_char((0x56051b6b4f40), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1228866, v('(', ')', end_of_file), k)
   Call: (221) [system] ')'==k
   Call: (221) [system] get_char((0x56051b6b4f40), k)
   Exit: (221) [system] get_char((0x56051b6b4f40), k)
   Call: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1233436)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1234370)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1233436=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _1224140=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (220) [system] _1214844=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (219) [system] _1205548=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (218) [system] _1196252=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (217) [system] _1186956=[d, 'L', i, n, k]
   Exit: (217) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (216) [system] _1177660=[n, d, 'L', i, n, k]
   Exit: (216) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1157116)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1260444, _1260446), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1157116), _1260420, fail)), '$restore_trace'(_1260444, _1260446))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1260444, _1260446))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1157116), _1260420, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_1157116)
   Call: (216) [system] atom_chars(_1157116, ['A', n, d, 'L', i, n, k])
   Exit: (216) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1268896)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1270754)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _1277564)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1280268)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1289660)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1293374)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1295232)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1303700)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1293374)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1313918)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1314852)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1313918=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq('A', [], _1293374)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1324162, _1324164), once(user:catch(read_from_chars(['A'], _1293374), _1324138, fail)), '$restore_trace'(_1324162, _1324164))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1324162, _1324164))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1293374), _1324138, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1293374)
   Call: (217) [system] atom_chars(_1293374, ['A'])
   Exit: (217) [system] atom_chars('A', ['A'])
^  Exit: (216) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1332614)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1334472)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1341282)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1343986)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1353378)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1357092)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1358950)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1367418)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1357092)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1377636)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1378570)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_1382362, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _1377636=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('B', [], _1357092)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1388824, _1388826), once(user:catch(read_from_chars(['B'], _1357092), _1388800, fail)), '$restore_trace'(_1388824, _1388826))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1388824, _1388826))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1357092), _1388800, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1357092)
   Call: (218) [system] atom_chars(_1357092, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1397276)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1399134)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1407602)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _1411392)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _1397276=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1332614=['B']
   Exit: (215) [system] ['B']=['B']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (214) [system] _1268896=['A', 'B']
   Exit: (214) [system] ['A', 'B']=['A', 'B']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (213) [system] _1129038=['AndLink', 'A', 'B']
   Exit: (213) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1425274)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1427132)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1433942)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1436646)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1446038)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (212) [system] 'C'=')'
   Call: (212) [system] 'C'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1449752)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1451610)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=(;)
^  Call: (214) [user] is_like_space('C')
   Call: (215) [system] char_type('C', 'white')
   Call: (215) [system] char_type('C', end_of_line)
   Call: (215) [system] char_type('C', space)
   Call: (215) [system] char_type('C', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1460078)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'='('
   Call: (213) [system] 'C'='['
   Call: (213) [system] 'C'='{'
   Call: (213) [system] 'C'='"'
   Call: (213) [system] 'C'=!
   Call: (213) [system] 'C'='\''
   Call: (213) [system] 'C'='`'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1449752)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1470296)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1471230)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (215) [user] is_delimiter(')')
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] arg(_1475022, v('(', ')', end_of_file), ')')
   Exit: (216) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (215) [user] is_delimiter(')')
   Call: (215) [system] _1470296=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('C', [], _1449752)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1481484, _1481486), once(user:catch(read_from_chars(['C'], _1449752), _1481460, fail)), '$restore_trace'(_1481484, _1481486))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1481484, _1481486))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1449752), _1481460, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1449752)
   Call: (215) [system] atom_chars(_1449752, ['C'])
   Exit: (215) [system] atom_chars('C', ['C'])
^  Exit: (214) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1489936)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1491794)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1500262)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _1504052)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _1489936=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _1425274=['C']
   Exit: (212) [system] ['C']=['C']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (211) [system] _1104560=[['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (210) [system] _916342=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (210) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1517934)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1519792)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1526602)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1529306)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1538698)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1542412)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1544270)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1552738)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1542412)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1558308)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1566776)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1570490)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1572348)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1580816)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1570490)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1591034)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1591968)
   Exit: (214) [system] peek_char((0x56051b6b4f40), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_1595760, v('(', ')', end_of_file), r)
   Call: (214) [system] ')'==r
   Call: (214) [system] get_char((0x56051b6b4f40), r)
   Exit: (214) [system] get_char((0x56051b6b4f40), r)
   Call: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1600330)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1601264)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_1605056, v('(', ')', end_of_file), 'L')
   Call: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (215) [system] get_char((0x56051b6b4f40), 'L')
   Call: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1609626)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1610560)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1614352, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1618922)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1619856)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1623648, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1628218)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1629152)
   Exit: (218) [system] peek_char((0x56051b6b4f40), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_1632944, v('(', ')', end_of_file), k)
   Call: (218) [system] ')'==k
   Call: (218) [system] get_char((0x56051b6b4f40), k)
   Exit: (218) [system] get_char((0x56051b6b4f40), k)
   Call: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1637514)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1638448)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _1637514=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _1628218=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (217) [system] _1618922=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (216) [system] _1609626=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (215) [system] _1600330=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (214) [system] _1591034=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1570490)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1661728, _1661730), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1570490), _1661704, fail)), '$restore_trace'(_1661728, _1661730))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1661728, _1661730))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1570490), _1661704, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1570490)
   Call: (214) [system] atom_chars(_1570490, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1670180)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1672038)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1678848)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1681552)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1690944)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (212) [system] 'B'=')'
   Call: (212) [system] 'B'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1694658)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1696516)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=(;)
^  Call: (214) [user] is_like_space('B')
   Call: (215) [system] char_type('B', 'white')
   Call: (215) [system] char_type('B', end_of_line)
   Call: (215) [system] char_type('B', space)
   Call: (215) [system] char_type('B', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1704984)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'B')
   Call: (213) [system] 'B'='('
   Call: (213) [system] 'B'='['
   Call: (213) [system] 'B'='{'
   Call: (213) [system] 'B'='"'
   Call: (213) [system] 'B'=!
   Call: (213) [system] 'B'='\''
   Call: (213) [system] 'B'='`'
   Call: (213) [system] 'B'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1694658)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1715202)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1716136)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1715202=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq('B', [], _1694658)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1725446, _1725448), once(user:catch(read_from_chars(['B'], _1694658), _1725422, fail)), '$restore_trace'(_1725446, _1725448))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1725446, _1725448))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1694658), _1725422, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1694658)
   Call: (215) [system] atom_chars(_1694658, ['B'])
   Exit: (215) [system] atom_chars('B', ['B'])
^  Exit: (214) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1733898)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1735756)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1742566)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1745270)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1754662)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1758376)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1760234)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1768702)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1758376)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1774272)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'=(;)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1782740)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1786454)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1788312)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'=(;)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1796780)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1786454)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1806998)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1807932)
   Exit: (218) [system] peek_char((0x56051b6b4f40), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_1811724, v('(', ')', end_of_file), m)
   Call: (218) [system] ')'==m
   Call: (218) [system] get_char((0x56051b6b4f40), m)
   Exit: (218) [system] get_char((0x56051b6b4f40), m)
   Call: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1816294)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1817228)
   Exit: (219) [system] peek_char((0x56051b6b4f40), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_1821020, v('(', ')', end_of_file), p)
   Call: (219) [system] ')'==p
   Call: (219) [system] get_char((0x56051b6b4f40), p)
   Exit: (219) [system] get_char((0x56051b6b4f40), p)
   Call: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1825590)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1826524)
   Exit: (220) [system] peek_char((0x56051b6b4f40), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_1830316, v('(', ')', end_of_file), l)
   Call: (220) [system] ')'==l
   Call: (220) [system] get_char((0x56051b6b4f40), l)
   Exit: (220) [system] get_char((0x56051b6b4f40), l)
   Call: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1834886)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1835820)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1839612, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1844182)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1845116)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1848908, v('(', ')', end_of_file), c)
   Call: (222) [system] ')'==c
   Call: (222) [system] get_char((0x56051b6b4f40), c)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1853478)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1854412)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_1858204, v('(', ')', end_of_file), a)
   Call: (223) [system] ')'==a
   Call: (223) [system] get_char((0x56051b6b4f40), a)
   Exit: (223) [system] get_char((0x56051b6b4f40), a)
   Call: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1862774)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1863708)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1867500, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1872070)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1873004)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1876796, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1881366)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1882300)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1886092, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1890662)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1891596)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1895388, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1899958)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1900892)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1899958=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1890662=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (226) [system] _1881366=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (225) [system] _1872070=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (224) [system] _1862774=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (223) [system] _1853478=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (222) [system] _1844182=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (221) [system] _1834886=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (220) [system] _1825590=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _1816294=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _1806998=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1786454)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1938142, _1938144), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1786454), _1938118, fail)), '$restore_trace'(_1938142, _1938144))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1938142, _1938144))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1786454), _1938118, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1786454)
   Call: (218) [system] atom_chars(_1786454, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (218) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1946594)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1948452)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1955262)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1957966)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1967358)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1971072)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1972930)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1981398)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1971072)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1986968)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1995436)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1999150)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _2001008)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _2009476)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1999150)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2019694)
   Call: (221) [system] peek_char((0x56051b6b4f40), _2020628)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_2024420, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2028990)
   Call: (222) [system] peek_char((0x56051b6b4f40), _2029924)
   Exit: (222) [system] peek_char((0x56051b6b4f40), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_2033716, v('(', ')', end_of_file), d)
   Call: (222) [system] ')'==d
   Call: (222) [system] get_char((0x56051b6b4f40), d)
   Exit: (222) [system] get_char((0x56051b6b4f40), d)
   Call: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2038286)
   Call: (223) [system] peek_char((0x56051b6b4f40), _2039220)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_2043012, v('(', ')', end_of_file), 'L')
   Call: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (223) [system] get_char((0x56051b6b4f40), 'L')
   Call: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2047582)
   Call: (224) [system] peek_char((0x56051b6b4f40), _2048516)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_2052308, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2056878)
   Call: (225) [system] peek_char((0x56051b6b4f40), _2057812)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_2061604, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2066174)
   Call: (226) [system] peek_char((0x56051b6b4f40), _2067108)
   Exit: (226) [system] peek_char((0x56051b6b4f40), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_2070900, v('(', ')', end_of_file), k)
   Call: (226) [system] ')'==k
   Call: (226) [system] get_char((0x56051b6b4f40), k)
   Exit: (226) [system] get_char((0x56051b6b4f40), k)
   Call: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2075470)
   Call: (227) [system] peek_char((0x56051b6b4f40), _2076404)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _2075470=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _2066174=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (225) [system] _2056878=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (224) [system] _2047582=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (223) [system] _2038286=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (222) [system] _2028990=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (221) [system] _4980=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _4976)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_10582, _10584), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4976), _10558, fail)), '$restore_trace'(_10582, _10584))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_10582, _10584))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _4976), _10558, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_4976)
   Call: (221) [system] atom_chars(_4976, ['A', n, d, 'L', i, n, k])
   Exit: (221) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _19034)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _20892)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _27702)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _30406)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _39798)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _43512)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _45370)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _53838)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _43512)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _64056)
   Call: (222) [system] peek_char((0x56051b6b4f40), _64990)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _64056=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq('A', [], _43512)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_74300, _74302), once(user:catch(read_from_chars(['A'], _43512), _74276, fail)), '$restore_trace'(_74300, _74302))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_74300, _74302))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _43512), _74276, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_43512)
   Call: (222) [system] atom_chars(_43512, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _82752)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _84610)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _91420)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _94124)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _103516)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _107230)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _109088)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _117556)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'B')
   Call: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _107230)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _127774)
   Call: (223) [system] peek_char((0x56051b6b4f40), _128708)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_132500, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _127774=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('B', [], _107230)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_138962, _138964), once(user:catch(read_from_chars(['B'], _107230), _138938, fail)), '$restore_trace'(_138962, _138964))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_138962, _138964))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _107230), _138938, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_107230)
   Call: (223) [system] atom_chars(_107230, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _147414)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _149272)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _157740)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _161530)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _147414=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _82752=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (219) [system] _19034=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (218) [system] _4970=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _175412)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _177270)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _184080)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _186784)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _196176)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _199890)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _201748)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _210216)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'C')
   Call: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _199890)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _220434)
   Call: (220) [system] peek_char((0x56051b6b4f40), _221368)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_225160, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _220434=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq('C', [], _199890)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_231622, _231624), once(user:catch(read_from_chars(['C'], _199890), _231598, fail)), '$restore_trace'(_231622, _231624))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_231622, _231624))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _199890), _231598, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_199890)
   Call: (220) [system] atom_chars(_199890, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _240074)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _241932)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _250400)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _254190)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _240074=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _175412=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (216) [system] _4966=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _4958=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _268072)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _269930)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _278398)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _282188)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _268072=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _4954=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (212) [system] _4948=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (212) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (211) [system] _4940=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (211) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _296070)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _297928)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _306396)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _310186)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _296070=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _4936=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (209) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (208) [system] _4894=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (208) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (207) [system] _4886=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (207) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _324068)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _325926)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=(;)
^  Call: (207) [user] is_like_space(')')
   Call: (208) [system] char_type(')', 'white')
   Call: (208) [system] char_type(')', end_of_line)
   Call: (208) [system] char_type(')', space)
   Call: (208) [system] char_type(')', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _334394)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ')')
   Call: (206) [system] ')'=')'
   Exit: (206) [system] ')'=')'
   Call: (206) [system] get_char((0x56051b6b4f40), _338184)
   Exit: (206) [system] get_char((0x56051b6b4f40), ')')
   Call: (206) [system] _324068=[]
   Exit: (206) [system] []=[]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (205) [system] _4882=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (205) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (204) [system] _4840=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (204) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (203) [system] _4832=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (203) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (202) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (201) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (201) [user] read_list(')', (0x56051b6b4f40), _352066)
^  Call: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _353924)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (203) [system] '\n'=(;)
^  Call: (203) [user] is_like_space('\n')
   Call: (204) [system] char_type('\n', 'white')
   Call: (204) [system] char_type('\n', end_of_line)
   Exit: (204) [system] char_type('\n', end_of_line)
^  Exit: (203) [user] is_like_space('\n')
   Call: (203) [system] get_char((0x56051b6b4f40), _361540)
   Exit: (203) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _364244)
   Exit: (204) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (204) [system] ' '=(;)
^  Call: (204) [user] is_like_space(' ')
   Call: (205) [system] char_type(' ', 'white')
   Exit: (205) [system] char_type(' ', 'white')
^  Exit: (204) [user] is_like_space(' ')
   Call: (204) [system] get_char((0x56051b6b4f40), _371054)
   Exit: (204) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _373758)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (202) [user] skip_spaces((0x56051b6b4f40))
   Call: (202) [system] peek_char((0x56051b6b4f40), _384074)
   Exit: (202) [system] peek_char((0x56051b6b4f40), '(')
   Call: (202) [system] '('=')'
   Call: (202) [system] '('=end_of_file
^  Call: (202) [user] cont_sexpr(')', (0x56051b6b4f40), _387788)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _389646)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=(;)
^  Call: (204) [user] is_like_space('(')
   Call: (205) [system] char_type('(', 'white')
   Call: (205) [system] char_type('(', end_of_line)
   Call: (205) [system] char_type('(', space)
   Call: (205) [system] char_type('(', cntrl)
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] get_char((0x56051b6b4f40), _398114)
   Exit: (203) [system] get_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('='('
   Exit: (203) [system] '('='('
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _387788)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _403684)
   Exit: (205) [system] peek_char((0x56051b6b4f40), :)
   Call: (205) [system] (:)=(;)
^  Call: (205) [user] is_like_space(:)
   Call: (206) [system] char_type(:, 'white')
   Call: (206) [system] char_type(:, end_of_line)
   Call: (206) [system] char_type(:, space)
   Call: (206) [system] char_type(:, cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _412152)
   Exit: (204) [system] peek_char((0x56051b6b4f40), :)
   Call: (204) [system] (:)=')'
   Call: (204) [system] (:)=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _415866)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _417724)
   Exit: (206) [system] peek_char((0x56051b6b4f40), :)
   Call: (206) [system] (:)=(;)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _426192)
   Exit: (205) [system] get_char((0x56051b6b4f40), :)
   Call: (205) [system] (:)='('
   Call: (205) [system] (:)='['
   Call: (205) [system] (:)='{'
   Call: (205) [system] (:)='"'
   Call: (205) [system] (:)=!
   Call: (205) [system] (:)='\''
   Call: (205) [system] (:)='`'
   Call: (205) [system] (:)=end_of_file
^  Call: (205) [user] read_symbolic(')', (0x56051b6b4f40), :, _415866)
^  Call: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), _436410)
   Call: (207) [system] peek_char((0x56051b6b4f40), _437344)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] is_delimiter(' ')
   Call: (208) [system] char_type(' ', space)
   Exit: (208) [system] char_type(' ', space)
^  Exit: (207) [user] is_delimiter(' ')
   Call: (207) [system] _436410=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (206) [user] classify_and_convert_charseq(:, [], _415866)
^  Call: (208) [system] setup_call_cleanup('$notrace'(_446654, _446656), once(user:catch(read_from_chars([:], _415866), _446630, fail)), '$restore_trace'(_446654, _446656))
^  Call: (209) [system] sig_atomic(system:'$notrace'(_446654, _446656))
^  Exit: (208) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _446630, fail)), system:'$restore_trace'(3, -1))
   Call: (207) [system] atomic(:)
   Exit: (207) [system] atomic(:)
^  Exit: (206) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (205) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _454154)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _456012)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _462822)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _465526)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _474918)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _478632)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _480490)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _488958)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _478632)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _494528)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (208) [system] 'D'=(;)
^  Call: (208) [user] is_like_space('D')
   Call: (209) [system] char_type('D', 'white')
   Call: (209) [system] char_type('D', end_of_line)
   Call: (209) [system] char_type('D', space)
   Call: (209) [system] char_type('D', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _502996)
   Exit: (207) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (207) [system] 'D'=')'
   Call: (207) [system] 'D'=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _506710)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _508568)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (209) [system] 'D'=(;)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _517036)
   Exit: (208) [system] get_char((0x56051b6b4f40), 'D')
   Call: (208) [system] 'D'='('
   Call: (208) [system] 'D'='['
   Call: (208) [system] 'D'='{'
   Call: (208) [system] 'D'='"'
   Call: (208) [system] 'D'=!
   Call: (208) [system] 'D'='\''
   Call: (208) [system] 'D'='`'
   Call: (208) [system] 'D'=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _506710)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _527254)
   Call: (210) [system] peek_char((0x56051b6b4f40), _528188)
   Exit: (210) [system] peek_char((0x56051b6b4f40), i)
^  Call: (210) [user] is_delimiter(i)
   Call: (211) [system] char_type(i, space)
   Call: (211) [system] arg(_531980, v('(', ')', end_of_file), i)
   Call: (210) [system] ')'==i
   Call: (210) [system] get_char((0x56051b6b4f40), i)
   Exit: (210) [system] get_char((0x56051b6b4f40), i)
   Call: (210) [system] i=(\)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _536550)
   Call: (211) [system] peek_char((0x56051b6b4f40), _537484)
   Exit: (211) [system] peek_char((0x56051b6b4f40), s)
^  Call: (211) [user] is_delimiter(s)
   Call: (212) [system] char_type(s, space)
   Call: (212) [system] arg(_541276, v('(', ')', end_of_file), s)
   Call: (211) [system] ')'==s
   Call: (211) [system] get_char((0x56051b6b4f40), s)
   Exit: (211) [system] get_char((0x56051b6b4f40), s)
   Call: (211) [system] s=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _545846)
   Call: (212) [system] peek_char((0x56051b6b4f40), _546780)
   Exit: (212) [system] peek_char((0x56051b6b4f40), j)
^  Call: (212) [user] is_delimiter(j)
   Call: (213) [system] char_type(j, space)
   Call: (213) [system] arg(_550572, v('(', ')', end_of_file), j)
   Call: (212) [system] ')'==j
   Call: (212) [system] get_char((0x56051b6b4f40), j)
   Exit: (212) [system] get_char((0x56051b6b4f40), j)
   Call: (212) [system] j=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _555142)
   Call: (213) [system] peek_char((0x56051b6b4f40), _556076)
   Exit: (213) [system] peek_char((0x56051b6b4f40), u)
^  Call: (213) [user] is_delimiter(u)
   Call: (214) [system] char_type(u, space)
   Call: (214) [system] arg(_559868, v('(', ')', end_of_file), u)
   Call: (213) [system] ')'==u
   Call: (213) [system] get_char((0x56051b6b4f40), u)
   Exit: (213) [system] get_char((0x56051b6b4f40), u)
   Call: (213) [system] u=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _564438)
   Call: (214) [system] peek_char((0x56051b6b4f40), _565372)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_569164, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _573734)
   Call: (215) [system] peek_char((0x56051b6b4f40), _574668)
   Exit: (215) [system] peek_char((0x56051b6b4f40), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_578460, v('(', ')', end_of_file), c)
   Call: (215) [system] ')'==c
   Call: (215) [system] get_char((0x56051b6b4f40), c)
   Exit: (215) [system] get_char((0x56051b6b4f40), c)
   Call: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _583030)
   Call: (216) [system] peek_char((0x56051b6b4f40), _583964)
   Exit: (216) [system] peek_char((0x56051b6b4f40), t)
^  Call: (216) [user] is_delimiter(t)
   Call: (217) [system] char_type(t, space)
   Call: (217) [system] arg(_587756, v('(', ')', end_of_file), t)
   Call: (216) [system] ')'==t
   Call: (216) [system] get_char((0x56051b6b4f40), t)
   Exit: (216) [system] get_char((0x56051b6b4f40), t)
   Call: (216) [system] t=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592326)
   Call: (217) [system] peek_char((0x56051b6b4f40), _593260)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_597052, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _601622)
   Call: (218) [system] peek_char((0x56051b6b4f40), _602556)
   Exit: (218) [system] peek_char((0x56051b6b4f40), o)
^  Call: (218) [user] is_delimiter(o)
   Call: (219) [system] char_type(o, space)
   Call: (219) [system] arg(_606348, v('(', ')', end_of_file), o)
   Call: (218) [system] ')'==o
   Call: (218) [system] get_char((0x56051b6b4f40), o)
   Exit: (218) [system] get_char((0x56051b6b4f40), o)
   Call: (218) [system] o=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _610918)
   Call: (219) [system] peek_char((0x56051b6b4f40), _611852)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_615644, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620214)
   Call: (220) [system] peek_char((0x56051b6b4f40), _621148)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (220) [user] is_delimiter('I')
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] arg(_624940, v('(', ')', end_of_file), 'I')
   Call: (220) [system] ')'=='I'
   Call: (220) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (220) [system] get_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _629510)
   Call: (221) [system] peek_char((0x56051b6b4f40), _630444)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_634236, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638806)
   Call: (222) [system] peek_char((0x56051b6b4f40), _639740)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_643532, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _648102)
   Call: (223) [system] peek_char((0x56051b6b4f40), _649036)
   Exit: (223) [system] peek_char((0x56051b6b4f40), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_652828, v('(', ')', end_of_file), r)
   Call: (223) [system] ')'==r
   Call: (223) [system] get_char((0x56051b6b4f40), r)
   Exit: (223) [system] get_char((0x56051b6b4f40), r)
   Call: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657398)
   Call: (224) [system] peek_char((0x56051b6b4f40), _658332)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_662124, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666694)
   Call: (225) [system] peek_char((0x56051b6b4f40), _667628)
   Exit: (225) [system] peek_char((0x56051b6b4f40), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_671420, v('(', ')', end_of_file), d)
   Call: (225) [system] ')'==d
   Call: (225) [system] get_char((0x56051b6b4f40), d)
   Exit: (225) [system] get_char((0x56051b6b4f40), d)
   Call: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _675990)
   Call: (226) [system] peek_char((0x56051b6b4f40), _676924)
   Exit: (226) [system] peek_char((0x56051b6b4f40), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_680716, v('(', ')', end_of_file), u)
   Call: (226) [system] ')'==u
   Call: (226) [system] get_char((0x56051b6b4f40), u)
   Exit: (226) [system] get_char((0x56051b6b4f40), u)
   Call: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _685286)
   Call: (227) [system] peek_char((0x56051b6b4f40), _686220)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_690012, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _694582)
   Call: (228) [system] peek_char((0x56051b6b4f40), _695516)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_699308, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _703878)
   Call: (229) [system] peek_char((0x56051b6b4f40), _704812)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_708604, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _713174)
   Call: (230) [system] peek_char((0x56051b6b4f40), _714108)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_717900, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _722470)
   Call: (231) [system] peek_char((0x56051b6b4f40), _723404)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_727196, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _731766)
   Call: (232) [system] peek_char((0x56051b6b4f40), _732700)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _731766=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _722470=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (230) [system] _713174=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (229) [system] _703878=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (228) [system] _694582=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (227) [system] _685286=[c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (226) [system] _675990=[u, c, t, i, o, n]
   Exit: (226) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (225) [system] _666694=[d, u, c, t, i, o, n]
   Exit: (225) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (224) [system] _657398=[o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (223) [system] _648102=[r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _638806=[t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _629510=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _620214=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _610918=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _601622=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _592326=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _583030=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _573734=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _564438=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _555142=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _545846=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _536550=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (210) [system] _527254=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (210) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (209) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _506710)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_803478, _803480), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _506710), _803454, fail)), '$restore_trace'(_803478, _803480))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_803478, _803480))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _506710), _803454, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(_506710)
   Call: (210) [system] atom_chars(_506710, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (210) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (209) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _811930)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _813788)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _820598)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _823302)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _832694)
   Exit: (208) [system] peek_char((0x56051b6b4f40), a)
   Call: (208) [system] a=')'
   Call: (208) [system] a=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _836408)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _838266)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=(;)
^  Call: (210) [user] is_like_space(a)
   Call: (211) [system] char_type(a, 'white')
   Call: (211) [system] char_type(a, end_of_line)
   Call: (211) [system] char_type(a, space)
   Call: (211) [system] char_type(a, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _846734)
   Exit: (209) [system] get_char((0x56051b6b4f40), a)
   Call: (209) [system] a='('
   Call: (209) [system] a='['
   Call: (209) [system] a='{'
   Call: (209) [system] a='"'
   Call: (209) [system] a=!
   Call: (209) [system] a='\''
   Call: (209) [system] a='`'
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), a, _836408)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _856952)
   Call: (211) [system] peek_char((0x56051b6b4f40), _857886)
   Exit: (211) [system] peek_char((0x56051b6b4f40), b)
^  Call: (211) [user] is_delimiter(b)
   Call: (212) [system] char_type(b, space)
   Call: (212) [system] arg(_861678, v('(', ')', end_of_file), b)
   Call: (211) [system] ')'==b
   Call: (211) [system] get_char((0x56051b6b4f40), b)
   Exit: (211) [system] get_char((0x56051b6b4f40), b)
   Call: (211) [system] b=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _866248)
   Call: (212) [system] peek_char((0x56051b6b4f40), _867182)
   Exit: (212) [system] peek_char((0x56051b6b4f40), c)
^  Call: (212) [user] is_delimiter(c)
   Call: (213) [system] char_type(c, space)
   Call: (213) [system] arg(_870974, v('(', ')', end_of_file), c)
   Call: (212) [system] ')'==c
   Call: (212) [system] get_char((0x56051b6b4f40), c)
   Exit: (212) [system] get_char((0x56051b6b4f40), c)
   Call: (212) [system] c=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _875544)
   Call: (213) [system] peek_char((0x56051b6b4f40), _876478)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _875544=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (212) [system] _866248=[c]
   Exit: (212) [system] [c]=[c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (211) [system] _856952=[b, c]
   Exit: (211) [system] [b, c]=[b, c]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (210) [user] classify_and_convert_charseq(a, [b, c], _836408)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_891376, _891378), once(user:catch(read_from_chars([a, b, c], _836408), _891352, fail)), '$restore_trace'(_891376, _891378))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_891376, _891378))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _891352, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(abc)
   Exit: (211) [system] atomic(abc)
^  Exit: (210) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _898876)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _900734)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _907544)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _910248)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _919640)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _923354)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _925212)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _933680)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _923354)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _939250)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _947718)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _951432)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _953290)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _961758)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _951432)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _971976)
   Call: (214) [system] peek_char((0x56051b6b4f40), _972910)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_976702, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _981272)
   Call: (215) [system] peek_char((0x56051b6b4f40), _982206)
   Exit: (215) [system] peek_char((0x56051b6b4f40), s)
^  Call: (215) [user] is_delimiter(s)
   Call: (216) [system] char_type(s, space)
   Call: (216) [system] arg(_985998, v('(', ')', end_of_file), s)
   Call: (215) [system] ')'==s
   Call: (215) [system] get_char((0x56051b6b4f40), s)
   Exit: (215) [system] get_char((0x56051b6b4f40), s)
   Call: (215) [system] s=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _990568)
   Call: (216) [system] peek_char((0x56051b6b4f40), _991502)
   Exit: (216) [system] peek_char((0x56051b6b4f40), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_995294, v('(', ')', end_of_file), j)
   Call: (216) [system] ')'==j
   Call: (216) [system] get_char((0x56051b6b4f40), j)
   Exit: (216) [system] get_char((0x56051b6b4f40), j)
   Call: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _999864)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1000798)
   Exit: (217) [system] peek_char((0x56051b6b4f40), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_1004590, v('(', ')', end_of_file), u)
   Call: (217) [system] ')'==u
   Call: (217) [system] get_char((0x56051b6b4f40), u)
   Exit: (217) [system] get_char((0x56051b6b4f40), u)
   Call: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1009160)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1010094)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1013886, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1018456)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1019390)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1023182, v('(', ')', end_of_file), c)
   Call: (219) [system] ')'==c
   Call: (219) [system] get_char((0x56051b6b4f40), c)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1027752)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1028686)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1032478, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1037048)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1037982)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1041774, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1046344)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1047278)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1051070, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1055640)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1056574)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1060366, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1064936)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1065870)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_1069662, v('(', ')', end_of_file), 'I')
   Call: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (224) [system] get_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1074232)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1075166)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1078958, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1083528)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1084462)
   Exit: (226) [system] peek_char((0x56051b6b4f40), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1088254, v('(', ')', end_of_file), t)
   Call: (226) [system] ')'==t
   Call: (226) [system] get_char((0x56051b6b4f40), t)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1092824)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1093758)
   Exit: (227) [system] peek_char((0x56051b6b4f40), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_1097550, v('(', ')', end_of_file), r)
   Call: (227) [system] ')'==r
   Call: (227) [system] get_char((0x56051b6b4f40), r)
   Exit: (227) [system] get_char((0x56051b6b4f40), r)
   Call: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1102120)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1103054)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1106846, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1111416)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1112350)
   Exit: (229) [system] peek_char((0x56051b6b4f40), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_1116142, v('(', ')', end_of_file), d)
   Call: (229) [system] ')'==d
   Call: (229) [system] get_char((0x56051b6b4f40), d)
   Exit: (229) [system] get_char((0x56051b6b4f40), d)
   Call: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1120712)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1121646)
   Exit: (230) [system] peek_char((0x56051b6b4f40), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1125438, v('(', ')', end_of_file), u)
   Call: (230) [system] ')'==u
   Call: (230) [system] get_char((0x56051b6b4f40), u)
   Exit: (230) [system] get_char((0x56051b6b4f40), u)
   Call: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1130008)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1130942)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1134734, v('(', ')', end_of_file), c)
   Call: (231) [system] ')'==c
   Call: (231) [system] get_char((0x56051b6b4f40), c)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1139304)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1140238)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1144030, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1148600)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1149534)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1153326, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1157896)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1158830)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1162622, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1167192)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1168126)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1171918, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1176488)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1177422)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1176488=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _1167192=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (234) [system] _1157896=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (233) [system] _1148600=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (232) [system] _1139304=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (231) [system] _1130008=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (230) [system] _1120712=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (229) [system] _1111416=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (228) [system] _1102120=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _1092824=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1083528=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1074232=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1064936=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1055640=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1046344=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1037048=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1027752=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1018456=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1009160=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _999864=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _990568=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _981272=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _971976=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _951432)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1248200, _1248202), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _951432), _1248176, fail)), '$restore_trace'(_1248200, _1248202))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1248200, _1248202))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _951432), _1248176, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_951432)
   Call: (214) [system] atom_chars(_951432, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1256652)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1258510)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1265320)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1268024)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1277416)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1281130)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1282988)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1291456)
   Exit: (213) [system] get_char((0x56051b6b4f40), a)
   Call: (213) [system] a='('
   Call: (213) [system] a='['
   Call: (213) [system] a='{'
   Call: (213) [system] a='"'
   Call: (213) [system] a=!
   Call: (213) [system] a='\''
   Call: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), a, _1281130)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1301674)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1302608)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1301674=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq(a, [], _1281130)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1311918, _1311920), once(user:catch(read_from_chars([a], _1281130), _1311894, fail)), '$restore_trace'(_1311918, _1311920))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1311918, _1311920))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1311894, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(a)
   Exit: (215) [system] atomic(a)
^  Exit: (214) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1319418)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1321276)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1328086)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1330790)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1340182)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1343896)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1345754)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1354222)
   Exit: (214) [system] get_char((0x56051b6b4f40), a)
   Call: (214) [system] a='('
   Call: (214) [system] a='['
   Call: (214) [system] a='{'
   Call: (214) [system] a='"'
   Call: (214) [system] a=!
   Call: (214) [system] a='\''
   Call: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), a, _1343896)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1364440)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1365374)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_1369166, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _1364440=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq(a, [], _1343896)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1375628, _1375630), once(user:catch(read_from_chars([a], _1343896), _1375604, fail)), '$restore_trace'(_1375628, _1375630))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1375628, _1375630))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1375604, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1383128)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1384986)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1393454)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _1397244)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _1383128=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _1319418=[a]
   Exit: (213) [system] [a]=[a]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (212) [system] _1256652=[a, a]
   Exit: (212) [system] [a, a]=[a, a]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (211) [system] _923354=['DisjunctionIntroduction', a, a]
   Exit: (211) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1411126)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1412984)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1421452)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _1425242)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _1411126=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _898876=[['DisjunctionIntroduction', a, a]]
   Exit: (209) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a]])
   Call: (208) [system] _811930=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (208) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (207) [system] _478632=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (207) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1439124)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1440982)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1447792)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1450496)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1459888)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1463602)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1465460)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1473928)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1463602)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1479498)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'=(;)
^  Call: (209) [user] is_like_space('O')
   Call: (210) [system] char_type('O', 'white')
   Call: (210) [system] char_type('O', end_of_line)
   Call: (210) [system] char_type('O', space)
   Call: (210) [system] char_type('O', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1487966)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (208) [system] 'O'=')'
   Call: (208) [system] 'O'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1491680)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1493538)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1502006)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'='('
   Call: (209) [system] 'O'='['
   Call: (209) [system] 'O'='{'
   Call: (209) [system] 'O'='"'
   Call: (209) [system] 'O'=!
   Call: (209) [system] 'O'='\''
   Call: (209) [system] 'O'='`'
   Call: (209) [system] 'O'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1491680)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1512224)
   Call: (211) [system] peek_char((0x56051b6b4f40), _1513158)
   Exit: (211) [system] peek_char((0x56051b6b4f40), r)
^  Call: (211) [user] is_delimiter(r)
   Call: (212) [system] char_type(r, space)
   Call: (212) [system] arg(_1516950, v('(', ')', end_of_file), r)
   Call: (211) [system] ')'==r
   Call: (211) [system] get_char((0x56051b6b4f40), r)
   Exit: (211) [system] get_char((0x56051b6b4f40), r)
   Call: (211) [system] r=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1521520)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1522454)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (212) [user] is_delimiter('L')
   Call: (213) [system] char_type('L', space)
   Call: (213) [system] arg(_1526246, v('(', ')', end_of_file), 'L')
   Call: (212) [system] ')'=='L'
   Call: (212) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (212) [system] get_char((0x56051b6b4f40), 'L')
   Call: (212) [system] 'L'=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1530816)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1531750)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1535542, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1540112)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1541046)
   Exit: (214) [system] peek_char((0x56051b6b4f40), n)
^  Call: (214) [user] is_delimiter(n)
   Call: (215) [system] char_type(n, space)
   Call: (215) [system] arg(_1544838, v('(', ')', end_of_file), n)
   Call: (214) [system] ')'==n
   Call: (214) [system] get_char((0x56051b6b4f40), n)
   Exit: (214) [system] get_char((0x56051b6b4f40), n)
   Call: (214) [system] n=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1549408)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1550342)
   Exit: (215) [system] peek_char((0x56051b6b4f40), k)
^  Call: (215) [user] is_delimiter(k)
   Call: (216) [system] char_type(k, space)
   Call: (216) [system] arg(_1554134, v('(', ')', end_of_file), k)
   Call: (215) [system] ')'==k
   Call: (215) [system] get_char((0x56051b6b4f40), k)
   Exit: (215) [system] get_char((0x56051b6b4f40), k)
   Call: (215) [system] k=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1558704)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1559638)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1558704=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1549408=[k]
   Exit: (215) [system] [k]=[k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (214) [system] _1540112=[n, k]
   Exit: (214) [system] [n, k]=[n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (213) [system] _1530816=[i, n, k]
   Exit: (213) [system] [i, n, k]=[i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (212) [system] _1521520=['L', i, n, k]
   Exit: (212) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (211) [system] _1512224=[r, 'L', i, n, k]
   Exit: (211) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1491680)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_1582918, _1582920), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1491680), _1582894, fail)), '$restore_trace'(_1582918, _1582920))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_1582918, _1582920))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1491680), _1582894, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_1491680)
   Call: (211) [system] atom_chars(_1491680, ['O', r, 'L', i, n, k])
   Exit: (211) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (210) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1591370)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1593228)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _1600038)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1602742)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1612134)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1615848)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1617706)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1626174)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1615848)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1631744)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=(;)
^  Call: (212) [user] is_like_space('I')
   Call: (213) [system] char_type('I', 'white')
   Call: (213) [system] char_type('I', end_of_line)
   Call: (213) [system] char_type('I', space)
   Call: (213) [system] char_type('I', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1640212)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (211) [system] 'I'=')'
   Call: (211) [system] 'I'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1643926)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1645784)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1654252)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'='('
   Call: (212) [system] 'I'='['
   Call: (212) [system] 'I'='{'
   Call: (212) [system] 'I'='"'
   Call: (212) [system] 'I'=!
   Call: (212) [system] 'I'='\''
   Call: (212) [system] 'I'='`'
   Call: (212) [system] 'I'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1643926)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1664470)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1665404)
   Exit: (214) [system] peek_char((0x56051b6b4f40), m)
^  Call: (214) [user] is_delimiter(m)
   Call: (215) [system] char_type(m, space)
   Call: (215) [system] arg(_1669196, v('(', ')', end_of_file), m)
   Call: (214) [system] ')'==m
   Call: (214) [system] get_char((0x56051b6b4f40), m)
   Exit: (214) [system] get_char((0x56051b6b4f40), m)
   Call: (214) [system] m=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1673766)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1674700)
   Exit: (215) [system] peek_char((0x56051b6b4f40), p)
^  Call: (215) [user] is_delimiter(p)
   Call: (216) [system] char_type(p, space)
   Call: (216) [system] arg(_1678492, v('(', ')', end_of_file), p)
   Call: (215) [system] ')'==p
   Call: (215) [system] get_char((0x56051b6b4f40), p)
   Exit: (215) [system] get_char((0x56051b6b4f40), p)
   Call: (215) [system] p=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1683062)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1683996)
   Exit: (216) [system] peek_char((0x56051b6b4f40), l)
^  Call: (216) [user] is_delimiter(l)
   Call: (217) [system] char_type(l, space)
   Call: (217) [system] arg(_1687788, v('(', ')', end_of_file), l)
   Call: (216) [system] ')'==l
   Call: (216) [system] get_char((0x56051b6b4f40), l)
   Exit: (216) [system] get_char((0x56051b6b4f40), l)
   Call: (216) [system] l=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1692358)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1693292)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1697084, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1701654)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1702588)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1706380, v('(', ')', end_of_file), c)
   Call: (218) [system] ')'==c
   Call: (218) [system] get_char((0x56051b6b4f40), c)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1710950)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1711884)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
^  Call: (219) [user] is_delimiter(a)
   Call: (220) [system] char_type(a, space)
   Call: (220) [system] arg(_1715676, v('(', ')', end_of_file), a)
   Call: (219) [system] ')'==a
   Call: (219) [system] get_char((0x56051b6b4f40), a)
   Exit: (219) [system] get_char((0x56051b6b4f40), a)
   Call: (219) [system] a=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1720246)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1721180)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_1724972, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1729542)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1730476)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1734268, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1738838)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1739772)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_1743564, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1748134)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1749068)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1752860, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1757430)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1758364)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1757430=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1748134=[n]
   Exit: (223) [system] [n]=[n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (222) [system] _1738838=[o, n]
   Exit: (222) [system] [o, n]=[o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (221) [system] _1729542=[i, o, n]
   Exit: (221) [system] [i, o, n]=[i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (220) [system] _1720246=[t, i, o, n]
   Exit: (220) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (219) [system] _1710950=[a, t, i, o, n]
   Exit: (219) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (218) [system] _1701654=[c, a, t, i, o, n]
   Exit: (218) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (217) [system] _1692358=[i, c, a, t, i, o, n]
   Exit: (217) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (216) [system] _1683062=[l, i, c, a, t, i, o, n]
   Exit: (216) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (215) [system] _1673766=[p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (214) [system] _1664470=[m, p, l, i, c, a, t, i, o, n]
   Exit: (214) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1643926)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1795614, _1795616), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1643926), _1795590, fail)), '$restore_trace'(_1795614, _1795616))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1795614, _1795616))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1643926), _1795590, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_1643926)
   Call: (214) [system] atom_chars(_1643926, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (214) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1804066)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1805924)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1812734)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1815438)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1824830)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1828544)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1830402)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1838870)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1828544)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1844440)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=(;)
^  Call: (215) [user] is_like_space('A')
   Call: (216) [system] char_type('A', 'white')
   Call: (216) [system] char_type('A', end_of_line)
   Call: (216) [system] char_type('A', space)
   Call: (216) [system] char_type('A', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1852908)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (214) [system] 'A'=')'
   Call: (214) [system] 'A'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1856622)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1858480)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1866948)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'='('
   Call: (215) [system] 'A'='['
   Call: (215) [system] 'A'='{'
   Call: (215) [system] 'A'='"'
   Call: (215) [system] 'A'=!
   Call: (215) [system] 'A'='\''
   Call: (215) [system] 'A'='`'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1856622)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1877166)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1878100)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1881892, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1886462)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1887396)
   Exit: (218) [system] peek_char((0x56051b6b4f40), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_1891188, v('(', ')', end_of_file), d)
   Call: (218) [system] ')'==d
   Call: (218) [system] get_char((0x56051b6b4f40), d)
   Exit: (218) [system] get_char((0x56051b6b4f40), d)
   Call: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1895758)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1896692)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1900484, v('(', ')', end_of_file), 'L')
   Call: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'L')
   Call: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1905054)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1905988)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1909780, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1914350)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1915284)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1919076, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1923646)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1924580)
   Exit: (222) [system] peek_char((0x56051b6b4f40), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1928372, v('(', ')', end_of_file), k)
   Call: (222) [system] ')'==k
   Call: (222) [system] get_char((0x56051b6b4f40), k)
   Exit: (222) [system] get_char((0x56051b6b4f40), k)
   Call: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1932942)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1933876)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1932942=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1923646=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (221) [system] _1914350=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (220) [system] _1905054=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (219) [system] _1895758=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (218) [system] _1886462=[d, 'L', i, n, k]
   Exit: (218) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (217) [system] _1877166=[n, d, 'L', i, n, k]
   Exit: (217) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1856622)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1959950, _1959952), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1856622), _1959926, fail)), '$restore_trace'(_1959950, _1959952))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1959950, _1959952))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1856622), _1959926, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1856622)
   Call: (217) [system] atom_chars(_1856622, ['A', n, d, 'L', i, n, k])
   Exit: (217) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1968402)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1970260)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1977070)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1979774)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1989166)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1992880)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1994738)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _2003206)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1992880)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2013424)
   Call: (218) [system] peek_char((0x56051b6b4f40), _2014358)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _2013424=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('A', [], _1992880)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_2023668, _2023670), once(user:catch(read_from_chars(['A'], _1992880), _2023644, fail)), '$restore_trace'(_2023668, _2023670))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_2023668, _2023670))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1992880), _2023644, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1992880)
   Call: (218) [system] atom_chars(_1992880, ['A'])
   Exit: (218) [system] atom_chars('A', ['A'])
^  Exit: (217) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _2032120)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _2033978)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _2040788)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _2043492)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _2052884)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=')'
   Call: (216) [system] 'B'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _2056598)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _2058456)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=(;)
^  Call: (218) [user] is_like_space('B')
   Call: (219) [system] char_type('B', 'white')
   Call: (219) [system] char_type('B', end_of_line)
   Call: (219) [system] char_type('B', space)
   Call: (219) [system] char_type('B', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _2066924)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'='('
   Call: (217) [system] 'B'='['
   Call: (217) [system] 'B'='{'
   Call: (217) [system] 'B'='"'
   Call: (217) [system] 'B'=!
   Call: (217) [system] 'B'='\''
   Call: (217) [system] 'B'='`'
   Call: (217) [system] 'B'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _2056598)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2077142)
   Call: (219) [system] peek_char((0x56051b6b4f40), _2078076)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_2081868, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _2077142=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq('B', [], _2056598)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_2088330, _2088332), once(user:catch(read_from_chars(['B'], _2056598), _2088306, fail)), '$restore_trace'(_2088330, _2088332))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_2088330, _2088332))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2056598), _2088306, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_2056598)
   Call: (219) [system] atom_chars(_2056598, ['B'])
   Exit: (219) [system] atom_chars('B', ['B'])
^  Exit: (218) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _5100)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _6896)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _15364)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _19154)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _5100=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _5092=['B']
   Exit: (216) [system] ['B']=['B']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (215) [system] _5086=['A', 'B']
   Exit: (215) [system] ['A', 'B']=['A', 'B']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (214) [system] _5078=['AndLink', 'A', 'B']
   Exit: (214) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _33036)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _34894)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _41704)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _44408)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _53800)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (213) [system] 'C'=')'
   Call: (213) [system] 'C'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _57514)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _59372)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=(;)
^  Call: (215) [user] is_like_space('C')
   Call: (216) [system] char_type('C', 'white')
   Call: (216) [system] char_type('C', end_of_line)
   Call: (216) [system] char_type('C', space)
   Call: (216) [system] char_type('C', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _67840)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'='('
   Call: (214) [system] 'C'='['
   Call: (214) [system] 'C'='{'
   Call: (214) [system] 'C'='"'
   Call: (214) [system] 'C'=!
   Call: (214) [system] 'C'='\''
   Call: (214) [system] 'C'='`'
   Call: (214) [system] 'C'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _57514)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _78058)
   Call: (216) [system] peek_char((0x56051b6b4f40), _78992)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (216) [user] is_delimiter(')')
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] arg(_82784, v('(', ')', end_of_file), ')')
   Exit: (217) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (216) [user] is_delimiter(')')
   Call: (216) [system] _78058=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('C', [], _57514)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_89246, _89248), once(user:catch(read_from_chars(['C'], _57514), _89222, fail)), '$restore_trace'(_89246, _89248))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_89246, _89248))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _57514), _89222, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_57514)
   Call: (216) [system] atom_chars(_57514, ['C'])
   Exit: (216) [system] atom_chars('C', ['C'])
^  Exit: (215) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _97698)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _99556)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _108024)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _111814)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _97698=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _33036=['C']
   Exit: (213) [system] ['C']=['C']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (212) [system] _5074=[['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (211) [system] _5066=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (211) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _125696)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _127554)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _134364)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _137068)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _146460)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _150174)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _152032)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _160500)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _150174)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _166070)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _174538)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _178252)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _180110)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (214) [system] 'O'=(;)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _188578)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _178252)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _198796)
   Call: (215) [system] peek_char((0x56051b6b4f40), _199730)
   Exit: (215) [system] peek_char((0x56051b6b4f40), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_203522, v('(', ')', end_of_file), r)
   Call: (215) [system] ')'==r
   Call: (215) [system] get_char((0x56051b6b4f40), r)
   Exit: (215) [system] get_char((0x56051b6b4f40), r)
   Call: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _208092)
   Call: (216) [system] peek_char((0x56051b6b4f40), _209026)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_212818, v('(', ')', end_of_file), 'L')
   Call: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (216) [system] get_char((0x56051b6b4f40), 'L')
   Call: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _217388)
   Call: (217) [system] peek_char((0x56051b6b4f40), _218322)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_222114, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _226684)
   Call: (218) [system] peek_char((0x56051b6b4f40), _227618)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_231410, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _235980)
   Call: (219) [system] peek_char((0x56051b6b4f40), _236914)
   Exit: (219) [system] peek_char((0x56051b6b4f40), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_240706, v('(', ')', end_of_file), k)
   Call: (219) [system] ')'==k
   Call: (219) [system] get_char((0x56051b6b4f40), k)
   Exit: (219) [system] get_char((0x56051b6b4f40), k)
   Call: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _245276)
   Call: (220) [system] peek_char((0x56051b6b4f40), _246210)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _245276=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _235980=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (218) [system] _226684=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (217) [system] _217388=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (216) [system] _208092=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (215) [system] _198796=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _178252)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_269490, _269492), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _178252), _269466, fail)), '$restore_trace'(_269490, _269492))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_269490, _269492))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _178252), _269466, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_178252)
   Call: (215) [system] atom_chars(_178252, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _277942)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _279800)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _286610)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _289314)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _298706)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (213) [system] 'B'=')'
   Call: (213) [system] 'B'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _302420)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _304278)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'=(;)
^  Call: (215) [user] is_like_space('B')
   Call: (216) [system] char_type('B', 'white')
   Call: (216) [system] char_type('B', end_of_line)
   Call: (216) [system] char_type('B', space)
   Call: (216) [system] char_type('B', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _312746)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'='('
   Call: (214) [system] 'B'='['
   Call: (214) [system] 'B'='{'
   Call: (214) [system] 'B'='"'
   Call: (214) [system] 'B'=!
   Call: (214) [system] 'B'='\''
   Call: (214) [system] 'B'='`'
   Call: (214) [system] 'B'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _302420)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _322964)
   Call: (216) [system] peek_char((0x56051b6b4f40), _323898)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _322964=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq('B', [], _302420)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_333208, _333210), once(user:catch(read_from_chars(['B'], _302420), _333184, fail)), '$restore_trace'(_333208, _333210))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_333208, _333210))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _302420), _333184, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_302420)
   Call: (216) [system] atom_chars(_302420, ['B'])
   Exit: (216) [system] atom_chars('B', ['B'])
^  Exit: (215) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _341660)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _343518)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _350328)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _353032)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _362424)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _366138)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _367996)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _376464)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _366138)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _386682)
   Call: (217) [system] peek_char((0x56051b6b4f40), _387616)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_391408, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _386682=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq('B', [], _366138)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_397870, _397872), once(user:catch(read_from_chars(['B'], _366138), _397846, fail)), '$restore_trace'(_397870, _397872))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_397870, _397872))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _366138), _397846, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_366138)
   Call: (217) [system] atom_chars(_366138, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _406322)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _408180)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _416648)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _420438)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _406322=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _341660=['B']
   Exit: (214) [system] ['B']=['B']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (213) [system] _277942=['B', 'B']
   Exit: (213) [system] ['B', 'B']=['B', 'B']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['B', 'B'])
   Call: (212) [system] _150174=['OrLink', 'B', 'B']
   Exit: (212) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', 'B'])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', 'B'])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _434320)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _436178)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _444646)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _448436)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _434320=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _125696=[['OrLink', 'B', 'B']]
   Exit: (210) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', 'B']])
   Call: (209) [system] _5062=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
   Exit: (209) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
   Call: (208) [system] _5054=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
   Exit: (208) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _462318)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _464176)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=(;)
^  Call: (208) [user] is_like_space(')')
   Call: (209) [system] char_type(')', 'white')
   Call: (209) [system] char_type(')', end_of_line)
   Call: (209) [system] char_type(')', space)
   Call: (209) [system] char_type(')', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _472644)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ')')
   Call: (207) [system] ')'=')'
   Exit: (207) [system] ')'=')'
   Call: (207) [system] get_char((0x56051b6b4f40), _476434)
   Exit: (207) [system] get_char((0x56051b6b4f40), ')')
   Call: (207) [system] _462318=[]
   Exit: (207) [system] []=[]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (206) [system] _5050=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (206) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
   Call: (205) [system] _5008=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (205) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
   Call: (204) [system] _5000=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
   Exit: (204) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]]
^  Exit: (203) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
^  Exit: (202) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'B']]])
^  Call: (202) [user] read_list(')', (0x56051b6b4f40), _490316)
^  Call: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _492174)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (204) [system] '\n'=(;)
^  Call: (204) [user] is_like_space('\n')
   Call: (205) [system] char_type('\n', 'white')
   Call: (205) [system] char_type('\n', end_of_line)
   Exit: (205) [system] char_type('\n', end_of_line)
^  Exit: (204) [user] is_like_space('\n')
   Call: (204) [system] get_char((0x56051b6b4f40), _499790)
   Exit: (204) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _502494)
   Exit: (205) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (205) [system] ' '=(;)
^  Call: (205) [user] is_like_space(' ')
   Call: (206) [system] char_type(' ', 'white')
   Exit: (206) [system] char_type(' ', 'white')
^  Exit: (205) [user] is_like_space(' ')
   Call: (205) [system] get_char((0x56051b6b4f40), _509304)
   Exit: (205) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _512008)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (203) [user] skip_spaces((0x56051b6b4f40))
   Call: (203) [system] peek_char((0x56051b6b4f40), _522324)
   Exit: (203) [system] peek_char((0x56051b6b4f40), '(')
   Call: (203) [system] '('=')'
   Call: (203) [system] '('=end_of_file
^  Call: (203) [user] cont_sexpr(')', (0x56051b6b4f40), _526038)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _527896)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=(;)
^  Call: (205) [user] is_like_space('(')
   Call: (206) [system] char_type('(', 'white')
   Call: (206) [system] char_type('(', end_of_line)
   Call: (206) [system] char_type('(', space)
   Call: (206) [system] char_type('(', cntrl)
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] get_char((0x56051b6b4f40), _536364)
   Exit: (204) [system] get_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('='('
   Exit: (204) [system] '('='('
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _526038)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _541934)
   Exit: (206) [system] peek_char((0x56051b6b4f40), :)
   Call: (206) [system] (:)=(;)
^  Call: (206) [user] is_like_space(:)
   Call: (207) [system] char_type(:, 'white')
   Call: (207) [system] char_type(:, end_of_line)
   Call: (207) [system] char_type(:, space)
   Call: (207) [system] char_type(:, cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _550402)
   Exit: (205) [system] peek_char((0x56051b6b4f40), :)
   Call: (205) [system] (:)=')'
   Call: (205) [system] (:)=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _554116)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _555974)
   Exit: (207) [system] peek_char((0x56051b6b4f40), :)
   Call: (207) [system] (:)=(;)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _564442)
   Exit: (206) [system] get_char((0x56051b6b4f40), :)
   Call: (206) [system] (:)='('
   Call: (206) [system] (:)='['
   Call: (206) [system] (:)='{'
   Call: (206) [system] (:)='"'
   Call: (206) [system] (:)=!
   Call: (206) [system] (:)='\''
   Call: (206) [system] (:)='`'
   Call: (206) [system] (:)=end_of_file
^  Call: (206) [user] read_symbolic(')', (0x56051b6b4f40), :, _554116)
^  Call: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), _574660)
   Call: (208) [system] peek_char((0x56051b6b4f40), _575594)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] is_delimiter(' ')
   Call: (209) [system] char_type(' ', space)
   Exit: (209) [system] char_type(' ', space)
^  Exit: (208) [user] is_delimiter(' ')
   Call: (208) [system] _574660=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (207) [user] classify_and_convert_charseq(:, [], _554116)
^  Call: (209) [system] setup_call_cleanup('$notrace'(_584904, _584906), once(user:catch(read_from_chars([:], _554116), _584880, fail)), '$restore_trace'(_584904, _584906))
^  Call: (210) [system] sig_atomic(system:'$notrace'(_584904, _584906))
^  Exit: (209) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _584880, fail)), system:'$restore_trace'(3, -1))
   Call: (208) [system] atomic(:)
   Exit: (208) [system] atomic(:)
^  Exit: (207) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (206) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _592404)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _594262)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _601072)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _603776)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _613168)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _616882)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _618740)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _627208)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _616882)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _632778)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (209) [system] 'D'=(;)
^  Call: (209) [user] is_like_space('D')
   Call: (210) [system] char_type('D', 'white')
   Call: (210) [system] char_type('D', end_of_line)
   Call: (210) [system] char_type('D', space)
   Call: (210) [system] char_type('D', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _641246)
   Exit: (208) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (208) [system] 'D'=')'
   Call: (208) [system] 'D'=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _644960)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _646818)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (210) [system] 'D'=(;)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _655286)
   Exit: (209) [system] get_char((0x56051b6b4f40), 'D')
   Call: (209) [system] 'D'='('
   Call: (209) [system] 'D'='['
   Call: (209) [system] 'D'='{'
   Call: (209) [system] 'D'='"'
   Call: (209) [system] 'D'=!
   Call: (209) [system] 'D'='\''
   Call: (209) [system] 'D'='`'
   Call: (209) [system] 'D'=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _644960)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _665504)
   Call: (211) [system] peek_char((0x56051b6b4f40), _666438)
   Exit: (211) [system] peek_char((0x56051b6b4f40), i)
^  Call: (211) [user] is_delimiter(i)
   Call: (212) [system] char_type(i, space)
   Call: (212) [system] arg(_670230, v('(', ')', end_of_file), i)
   Call: (211) [system] ')'==i
   Call: (211) [system] get_char((0x56051b6b4f40), i)
   Exit: (211) [system] get_char((0x56051b6b4f40), i)
   Call: (211) [system] i=(\)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _674800)
   Call: (212) [system] peek_char((0x56051b6b4f40), _675734)
   Exit: (212) [system] peek_char((0x56051b6b4f40), s)
^  Call: (212) [user] is_delimiter(s)
   Call: (213) [system] char_type(s, space)
   Call: (213) [system] arg(_679526, v('(', ')', end_of_file), s)
   Call: (212) [system] ')'==s
   Call: (212) [system] get_char((0x56051b6b4f40), s)
   Exit: (212) [system] get_char((0x56051b6b4f40), s)
   Call: (212) [system] s=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _684096)
   Call: (213) [system] peek_char((0x56051b6b4f40), _685030)
   Exit: (213) [system] peek_char((0x56051b6b4f40), j)
^  Call: (213) [user] is_delimiter(j)
   Call: (214) [system] char_type(j, space)
   Call: (214) [system] arg(_688822, v('(', ')', end_of_file), j)
   Call: (213) [system] ')'==j
   Call: (213) [system] get_char((0x56051b6b4f40), j)
   Exit: (213) [system] get_char((0x56051b6b4f40), j)
   Call: (213) [system] j=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _693392)
   Call: (214) [system] peek_char((0x56051b6b4f40), _694326)
   Exit: (214) [system] peek_char((0x56051b6b4f40), u)
^  Call: (214) [user] is_delimiter(u)
   Call: (215) [system] char_type(u, space)
   Call: (215) [system] arg(_698118, v('(', ')', end_of_file), u)
   Call: (214) [system] ')'==u
   Call: (214) [system] get_char((0x56051b6b4f40), u)
   Exit: (214) [system] get_char((0x56051b6b4f40), u)
   Call: (214) [system] u=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _702688)
   Call: (215) [system] peek_char((0x56051b6b4f40), _703622)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_707414, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _711984)
   Call: (216) [system] peek_char((0x56051b6b4f40), _712918)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_716710, v('(', ')', end_of_file), c)
   Call: (216) [system] ')'==c
   Call: (216) [system] get_char((0x56051b6b4f40), c)
   Exit: (216) [system] get_char((0x56051b6b4f40), c)
   Call: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _721280)
   Call: (217) [system] peek_char((0x56051b6b4f40), _722214)
   Exit: (217) [system] peek_char((0x56051b6b4f40), t)
^  Call: (217) [user] is_delimiter(t)
   Call: (218) [system] char_type(t, space)
   Call: (218) [system] arg(_726006, v('(', ')', end_of_file), t)
   Call: (217) [system] ')'==t
   Call: (217) [system] get_char((0x56051b6b4f40), t)
   Exit: (217) [system] get_char((0x56051b6b4f40), t)
   Call: (217) [system] t=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _730576)
   Call: (218) [system] peek_char((0x56051b6b4f40), _731510)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_735302, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _739872)
   Call: (219) [system] peek_char((0x56051b6b4f40), _740806)
   Exit: (219) [system] peek_char((0x56051b6b4f40), o)
^  Call: (219) [user] is_delimiter(o)
   Call: (220) [system] char_type(o, space)
   Call: (220) [system] arg(_744598, v('(', ')', end_of_file), o)
   Call: (219) [system] ')'==o
   Call: (219) [system] get_char((0x56051b6b4f40), o)
   Exit: (219) [system] get_char((0x56051b6b4f40), o)
   Call: (219) [system] o=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _749168)
   Call: (220) [system] peek_char((0x56051b6b4f40), _750102)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_753894, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _758464)
   Call: (221) [system] peek_char((0x56051b6b4f40), _759398)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (221) [user] is_delimiter('I')
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] arg(_763190, v('(', ')', end_of_file), 'I')
   Call: (221) [system] ')'=='I'
   Call: (221) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (221) [system] get_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _767760)
   Call: (222) [system] peek_char((0x56051b6b4f40), _768694)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_772486, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _777056)
   Call: (223) [system] peek_char((0x56051b6b4f40), _777990)
   Exit: (223) [system] peek_char((0x56051b6b4f40), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_781782, v('(', ')', end_of_file), t)
   Call: (223) [system] ')'==t
   Call: (223) [system] get_char((0x56051b6b4f40), t)
   Exit: (223) [system] get_char((0x56051b6b4f40), t)
   Call: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _786352)
   Call: (224) [system] peek_char((0x56051b6b4f40), _787286)
   Exit: (224) [system] peek_char((0x56051b6b4f40), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_791078, v('(', ')', end_of_file), r)
   Call: (224) [system] ')'==r
   Call: (224) [system] get_char((0x56051b6b4f40), r)
   Exit: (224) [system] get_char((0x56051b6b4f40), r)
   Call: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _795648)
   Call: (225) [system] peek_char((0x56051b6b4f40), _796582)
   Exit: (225) [system] peek_char((0x56051b6b4f40), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_800374, v('(', ')', end_of_file), o)
   Call: (225) [system] ')'==o
   Call: (225) [system] get_char((0x56051b6b4f40), o)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _804944)
   Call: (226) [system] peek_char((0x56051b6b4f40), _805878)
   Exit: (226) [system] peek_char((0x56051b6b4f40), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_809670, v('(', ')', end_of_file), d)
   Call: (226) [system] ')'==d
   Call: (226) [system] get_char((0x56051b6b4f40), d)
   Exit: (226) [system] get_char((0x56051b6b4f40), d)
   Call: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _814240)
   Call: (227) [system] peek_char((0x56051b6b4f40), _815174)
   Exit: (227) [system] peek_char((0x56051b6b4f40), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_818966, v('(', ')', end_of_file), u)
   Call: (227) [system] ')'==u
   Call: (227) [system] get_char((0x56051b6b4f40), u)
   Exit: (227) [system] get_char((0x56051b6b4f40), u)
   Call: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _823536)
   Call: (228) [system] peek_char((0x56051b6b4f40), _824470)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_828262, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _832832)
   Call: (229) [system] peek_char((0x56051b6b4f40), _833766)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_837558, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _842128)
   Call: (230) [system] peek_char((0x56051b6b4f40), _843062)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_846854, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _851424)
   Call: (231) [system] peek_char((0x56051b6b4f40), _852358)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_856150, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _860720)
   Call: (232) [system] peek_char((0x56051b6b4f40), _861654)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_865446, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _870016)
   Call: (233) [system] peek_char((0x56051b6b4f40), _870950)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _870016=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _860720=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (231) [system] _851424=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (230) [system] _842128=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (229) [system] _832832=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (228) [system] _823536=[c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (227) [system] _814240=[u, c, t, i, o, n]
   Exit: (227) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (226) [system] _804944=[d, u, c, t, i, o, n]
   Exit: (226) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (225) [system] _795648=[o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (224) [system] _786352=[r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _777056=[t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _767760=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _758464=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _749168=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _739872=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _730576=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _721280=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _711984=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _702688=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _693392=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _684096=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _674800=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (211) [system] _665504=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (211) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (210) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _644960)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_941728, _941730), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _644960), _941704, fail)), '$restore_trace'(_941728, _941730))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_941728, _941730))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _644960), _941704, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(_644960)
   Call: (211) [system] atom_chars(_644960, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (211) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (210) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _950180)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _952038)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _958848)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _961552)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _970944)
   Exit: (209) [system] peek_char((0x56051b6b4f40), a)
   Call: (209) [system] a=')'
   Call: (209) [system] a=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _974658)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _976516)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=(;)
^  Call: (211) [user] is_like_space(a)
   Call: (212) [system] char_type(a, 'white')
   Call: (212) [system] char_type(a, end_of_line)
   Call: (212) [system] char_type(a, space)
   Call: (212) [system] char_type(a, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _984984)
   Exit: (210) [system] get_char((0x56051b6b4f40), a)
   Call: (210) [system] a='('
   Call: (210) [system] a='['
   Call: (210) [system] a='{'
   Call: (210) [system] a='"'
   Call: (210) [system] a=!
   Call: (210) [system] a='\''
   Call: (210) [system] a='`'
   Call: (210) [system] a=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), a, _974658)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _995202)
   Call: (212) [system] peek_char((0x56051b6b4f40), _996136)
   Exit: (212) [system] peek_char((0x56051b6b4f40), b)
^  Call: (212) [user] is_delimiter(b)
   Call: (213) [system] char_type(b, space)
   Call: (213) [system] arg(_999928, v('(', ')', end_of_file), b)
   Call: (212) [system] ')'==b
   Call: (212) [system] get_char((0x56051b6b4f40), b)
   Exit: (212) [system] get_char((0x56051b6b4f40), b)
   Call: (212) [system] b=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1004498)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1005432)
   Exit: (213) [system] peek_char((0x56051b6b4f40), c)
^  Call: (213) [user] is_delimiter(c)
   Call: (214) [system] char_type(c, space)
   Call: (214) [system] arg(_1009224, v('(', ')', end_of_file), c)
   Call: (213) [system] ')'==c
   Call: (213) [system] get_char((0x56051b6b4f40), c)
   Exit: (213) [system] get_char((0x56051b6b4f40), c)
   Call: (213) [system] c=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1013794)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1014728)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1013794=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (213) [system] _1004498=[c]
   Exit: (213) [system] [c]=[c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (212) [system] _995202=[b, c]
   Exit: (212) [system] [b, c]=[b, c]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (211) [user] classify_and_convert_charseq(a, [b, c], _974658)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1029626, _1029628), once(user:catch(read_from_chars([a, b, c], _974658), _1029602, fail)), '$restore_trace'(_1029626, _1029628))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1029626, _1029628))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1029602, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(abc)
   Exit: (212) [system] atomic(abc)
^  Exit: (211) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1037126)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1038984)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1045794)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1048498)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1057890)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1061604)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1063462)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1071930)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1061604)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1077500)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1085968)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1089682)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1091540)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1100008)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1089682)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1110226)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1111160)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1114952, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1119522)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1120456)
   Exit: (216) [system] peek_char((0x56051b6b4f40), s)
^  Call: (216) [user] is_delimiter(s)
   Call: (217) [system] char_type(s, space)
   Call: (217) [system] arg(_1124248, v('(', ')', end_of_file), s)
   Call: (216) [system] ')'==s
   Call: (216) [system] get_char((0x56051b6b4f40), s)
   Exit: (216) [system] get_char((0x56051b6b4f40), s)
   Call: (216) [system] s=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1128818)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1129752)
   Exit: (217) [system] peek_char((0x56051b6b4f40), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_1133544, v('(', ')', end_of_file), j)
   Call: (217) [system] ')'==j
   Call: (217) [system] get_char((0x56051b6b4f40), j)
   Exit: (217) [system] get_char((0x56051b6b4f40), j)
   Call: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1138114)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1139048)
   Exit: (218) [system] peek_char((0x56051b6b4f40), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_1142840, v('(', ')', end_of_file), u)
   Call: (218) [system] ')'==u
   Call: (218) [system] get_char((0x56051b6b4f40), u)
   Exit: (218) [system] get_char((0x56051b6b4f40), u)
   Call: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1147410)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1148344)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1152136, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1156706)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1157640)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1161432, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1166002)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1166936)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1170728, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1175298)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1176232)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1180024, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1184594)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1185528)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1189320, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1193890)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1194824)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1198616, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1203186)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1204120)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_1207912, v('(', ')', end_of_file), 'I')
   Call: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (225) [system] get_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1212482)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1213416)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1217208, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1221778)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1222712)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1226504, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1231074)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1232008)
   Exit: (228) [system] peek_char((0x56051b6b4f40), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1235800, v('(', ')', end_of_file), r)
   Call: (228) [system] ')'==r
   Call: (228) [system] get_char((0x56051b6b4f40), r)
   Exit: (228) [system] get_char((0x56051b6b4f40), r)
   Call: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1240370)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1241304)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1245096, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1249666)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1250600)
   Exit: (230) [system] peek_char((0x56051b6b4f40), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1254392, v('(', ')', end_of_file), d)
   Call: (230) [system] ')'==d
   Call: (230) [system] get_char((0x56051b6b4f40), d)
   Exit: (230) [system] get_char((0x56051b6b4f40), d)
   Call: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1258962)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1259896)
   Exit: (231) [system] peek_char((0x56051b6b4f40), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1263688, v('(', ')', end_of_file), u)
   Call: (231) [system] ')'==u
   Call: (231) [system] get_char((0x56051b6b4f40), u)
   Exit: (231) [system] get_char((0x56051b6b4f40), u)
   Call: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1268258)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1269192)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1272984, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1277554)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1278488)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1282280, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1286850)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1287784)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1291576, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1296146)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1297080)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1300872, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1305442)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1306376)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1310168, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1314738)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1315672)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1314738=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1305442=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (235) [system] _1296146=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (234) [system] _1286850=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (233) [system] _1277554=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (232) [system] _1268258=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (231) [system] _1258962=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (230) [system] _1249666=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (229) [system] _1240370=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _1231074=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1221778=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1212482=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1203186=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1193890=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1184594=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1175298=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1166002=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1156706=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1147410=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1138114=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1128818=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1119522=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1110226=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1089682)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1386450, _1386452), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1089682), _1386426, fail)), '$restore_trace'(_1386450, _1386452))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1386450, _1386452))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1089682), _1386426, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1089682)
   Call: (215) [system] atom_chars(_1089682, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1394902)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1396760)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1403570)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1406274)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1415666)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1419380)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1421238)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1429706)
   Exit: (214) [system] get_char((0x56051b6b4f40), a)
   Call: (214) [system] a='('
   Call: (214) [system] a='['
   Call: (214) [system] a='{'
   Call: (214) [system] a='"'
   Call: (214) [system] a=!
   Call: (214) [system] a='\''
   Call: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), a, _1419380)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1439924)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1440858)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1439924=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq(a, [], _1419380)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1450168, _1450170), once(user:catch(read_from_chars([a], _1419380), _1450144, fail)), '$restore_trace'(_1450168, _1450170))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1450168, _1450170))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1450144, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(a)
   Exit: (216) [system] atomic(a)
^  Exit: (215) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1457668)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1459526)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _1466336)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1469040)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
   Call: (216) [system] c=(;)
^  Call: (216) [user] is_like_space(c)
   Call: (217) [system] char_type(c, 'white')
   Call: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] char_type(c, space)
   Call: (217) [system] char_type(c, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1478432)
   Exit: (214) [system] peek_char((0x56051b6b4f40), c)
   Call: (214) [system] c=')'
   Call: (214) [system] c=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1482146)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1484004)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
   Call: (216) [system] c=(;)
^  Call: (216) [user] is_like_space(c)
   Call: (217) [system] char_type(c, 'white')
   Call: (217) [system] char_type(c, end_of_line)
   Call: (217) [system] char_type(c, space)
   Call: (217) [system] char_type(c, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1492472)
   Exit: (215) [system] get_char((0x56051b6b4f40), c)
   Call: (215) [system] c='('
   Call: (215) [system] c='['
   Call: (215) [system] c='{'
   Call: (215) [system] c='"'
   Call: (215) [system] c=!
   Call: (215) [system] c='\''
   Call: (215) [system] c='`'
   Call: (215) [system] c=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), c, _1482146)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1502690)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1503624)
   Exit: (217) [system] peek_char((0x56051b6b4f40), d)
^  Call: (217) [user] is_delimiter(d)
   Call: (218) [system] char_type(d, space)
   Call: (218) [system] arg(_1507416, v('(', ')', end_of_file), d)
   Call: (217) [system] ')'==d
   Call: (217) [system] get_char((0x56051b6b4f40), d)
   Exit: (217) [system] get_char((0x56051b6b4f40), d)
   Call: (217) [system] d=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1511986)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1512920)
   Exit: (218) [system] peek_char((0x56051b6b4f40), e)
^  Call: (218) [user] is_delimiter(e)
   Call: (219) [system] char_type(e, space)
   Call: (219) [system] arg(_1516712, v('(', ')', end_of_file), e)
   Call: (218) [system] ')'==e
   Call: (218) [system] get_char((0x56051b6b4f40), e)
   Exit: (218) [system] get_char((0x56051b6b4f40), e)
   Call: (218) [system] e=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1521282)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1522216)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1526008, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1521282=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _1511986=[e]
   Exit: (218) [system] [e]=[e]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (217) [system] _1502690=[d, e]
   Exit: (217) [system] [d, e]=[d, e]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (216) [user] classify_and_convert_charseq(c, [d, e], _1482146)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1538058, _1538060), once(user:catch(read_from_chars([c, d, e], _1482146), _1538034, fail)), '$restore_trace'(_1538058, _1538060))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1538058, _1538060))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1538034, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(cde)
   Exit: (217) [system] atomic(cde)
^  Exit: (216) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1545558)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1547416)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1555884)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _1559674)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _1545558=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1457668=[cde]
   Exit: (214) [system] [cde]=[cde]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (213) [system] _1394902=[a, cde]
   Exit: (213) [system] [a, cde]=[a, cde]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [a, cde])
   Call: (212) [system] _1061604=['DisjunctionIntroduction', a, cde]
   Exit: (212) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1573556)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1575414)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1583882)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _1587672)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _1573556=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _1037126=[['DisjunctionIntroduction', a, cde]]
   Exit: (210) [system] [['DisjunctionIntroduction', a, cde]]=[['DisjunctionIntroduction', a, cde]]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, cde]])
   Call: (209) [system] _950180=[abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (209) [system] [abc, ['DisjunctionIntroduction', a, cde]]=[abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', a, cde]])
   Call: (208) [system] _616882=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (208) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1601554)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1603412)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1610222)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1612926)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1622318)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1626032)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1627890)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1636358)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1626032)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1641928)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'=(;)
^  Call: (210) [user] is_like_space('O')
   Call: (211) [system] char_type('O', 'white')
   Call: (211) [system] char_type('O', end_of_line)
   Call: (211) [system] char_type('O', space)
   Call: (211) [system] char_type('O', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1650396)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (209) [system] 'O'=')'
   Call: (209) [system] 'O'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1654110)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1655968)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1664436)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'='('
   Call: (210) [system] 'O'='['
   Call: (210) [system] 'O'='{'
   Call: (210) [system] 'O'='"'
   Call: (210) [system] 'O'=!
   Call: (210) [system] 'O'='\''
   Call: (210) [system] 'O'='`'
   Call: (210) [system] 'O'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1654110)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1674654)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1675588)
   Exit: (212) [system] peek_char((0x56051b6b4f40), r)
^  Call: (212) [user] is_delimiter(r)
   Call: (213) [system] char_type(r, space)
   Call: (213) [system] arg(_1679380, v('(', ')', end_of_file), r)
   Call: (212) [system] ')'==r
   Call: (212) [system] get_char((0x56051b6b4f40), r)
   Exit: (212) [system] get_char((0x56051b6b4f40), r)
   Call: (212) [system] r=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1683950)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1684884)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (213) [user] is_delimiter('L')
   Call: (214) [system] char_type('L', space)
   Call: (214) [system] arg(_1688676, v('(', ')', end_of_file), 'L')
   Call: (213) [system] ')'=='L'
   Call: (213) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (213) [system] get_char((0x56051b6b4f40), 'L')
   Call: (213) [system] 'L'=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1693246)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1694180)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_1697972, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1702542)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1703476)
   Exit: (215) [system] peek_char((0x56051b6b4f40), n)
^  Call: (215) [user] is_delimiter(n)
   Call: (216) [system] char_type(n, space)
   Call: (216) [system] arg(_1707268, v('(', ')', end_of_file), n)
   Call: (215) [system] ')'==n
   Call: (215) [system] get_char((0x56051b6b4f40), n)
   Exit: (215) [system] get_char((0x56051b6b4f40), n)
   Call: (215) [system] n=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1711838)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1712772)
   Exit: (216) [system] peek_char((0x56051b6b4f40), k)
^  Call: (216) [user] is_delimiter(k)
   Call: (217) [system] char_type(k, space)
   Call: (217) [system] arg(_1716564, v('(', ')', end_of_file), k)
   Call: (216) [system] ')'==k
   Call: (216) [system] get_char((0x56051b6b4f40), k)
   Exit: (216) [system] get_char((0x56051b6b4f40), k)
   Call: (216) [system] k=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1721134)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1722068)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1721134=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1711838=[k]
   Exit: (216) [system] [k]=[k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (215) [system] _1702542=[n, k]
   Exit: (215) [system] [n, k]=[n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (214) [system] _1693246=[i, n, k]
   Exit: (214) [system] [i, n, k]=[i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (213) [system] _1683950=['L', i, n, k]
   Exit: (213) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (212) [system] _1674654=[r, 'L', i, n, k]
   Exit: (212) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1654110)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1745348, _1745350), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1654110), _1745324, fail)), '$restore_trace'(_1745348, _1745350))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1745348, _1745350))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1654110), _1745324, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1654110)
   Call: (212) [system] atom_chars(_1654110, ['O', r, 'L', i, n, k])
   Exit: (212) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (211) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1753800)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1755658)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1762468)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1765172)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1774564)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1778278)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1780136)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1788604)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1778278)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1794174)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=(;)
^  Call: (213) [user] is_like_space('I')
   Call: (214) [system] char_type('I', 'white')
   Call: (214) [system] char_type('I', end_of_line)
   Call: (214) [system] char_type('I', space)
   Call: (214) [system] char_type('I', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1802642)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (212) [system] 'I'=')'
   Call: (212) [system] 'I'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1806356)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1808214)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1816682)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'='('
   Call: (213) [system] 'I'='['
   Call: (213) [system] 'I'='{'
   Call: (213) [system] 'I'='"'
   Call: (213) [system] 'I'=!
   Call: (213) [system] 'I'='\''
   Call: (213) [system] 'I'='`'
   Call: (213) [system] 'I'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1806356)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1826900)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1827834)
   Exit: (215) [system] peek_char((0x56051b6b4f40), m)
^  Call: (215) [user] is_delimiter(m)
   Call: (216) [system] char_type(m, space)
   Call: (216) [system] arg(_1831626, v('(', ')', end_of_file), m)
   Call: (215) [system] ')'==m
   Call: (215) [system] get_char((0x56051b6b4f40), m)
   Exit: (215) [system] get_char((0x56051b6b4f40), m)
   Call: (215) [system] m=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1836196)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1837130)
   Exit: (216) [system] peek_char((0x56051b6b4f40), p)
^  Call: (216) [user] is_delimiter(p)
   Call: (217) [system] char_type(p, space)
   Call: (217) [system] arg(_1840922, v('(', ')', end_of_file), p)
   Call: (216) [system] ')'==p
   Call: (216) [system] get_char((0x56051b6b4f40), p)
   Exit: (216) [system] get_char((0x56051b6b4f40), p)
   Call: (216) [system] p=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1845492)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1846426)
   Exit: (217) [system] peek_char((0x56051b6b4f40), l)
^  Call: (217) [user] is_delimiter(l)
   Call: (218) [system] char_type(l, space)
   Call: (218) [system] arg(_1850218, v('(', ')', end_of_file), l)
   Call: (217) [system] ')'==l
   Call: (217) [system] get_char((0x56051b6b4f40), l)
   Exit: (217) [system] get_char((0x56051b6b4f40), l)
   Call: (217) [system] l=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1854788)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1855722)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1859514, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1864084)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1865018)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1868810, v('(', ')', end_of_file), c)
   Call: (219) [system] ')'==c
   Call: (219) [system] get_char((0x56051b6b4f40), c)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1873380)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1874314)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
^  Call: (220) [user] is_delimiter(a)
   Call: (221) [system] char_type(a, space)
   Call: (221) [system] arg(_1878106, v('(', ')', end_of_file), a)
   Call: (220) [system] ')'==a
   Call: (220) [system] get_char((0x56051b6b4f40), a)
   Exit: (220) [system] get_char((0x56051b6b4f40), a)
   Call: (220) [system] a=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1882676)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1883610)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1887402, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1891972)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1892906)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1896698, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1901268)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1902202)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1905994, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1910564)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1911498)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1915290, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1919860)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1920794)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1919860=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1910564=[n]
   Exit: (224) [system] [n]=[n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (223) [system] _1901268=[o, n]
   Exit: (223) [system] [o, n]=[o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (222) [system] _1891972=[i, o, n]
   Exit: (222) [system] [i, o, n]=[i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (221) [system] _1882676=[t, i, o, n]
   Exit: (221) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (220) [system] _1873380=[a, t, i, o, n]
   Exit: (220) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (219) [system] _1864084=[c, a, t, i, o, n]
   Exit: (219) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (218) [system] _1854788=[i, c, a, t, i, o, n]
   Exit: (218) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (217) [system] _1845492=[l, i, c, a, t, i, o, n]
   Exit: (217) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (216) [system] _1836196=[p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (215) [system] _1826900=[m, p, l, i, c, a, t, i, o, n]
   Exit: (215) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1806356)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1958044, _1958046), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1806356), _1958020, fail)), '$restore_trace'(_1958044, _1958046))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1958044, _1958046))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1806356), _1958020, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1806356)
   Call: (215) [system] atom_chars(_1806356, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (215) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1966496)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1968354)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1975164)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1977868)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1987260)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1990974)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1992832)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _2001300)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1990974)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _2006870)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=(;)
^  Call: (216) [user] is_like_space('A')
   Call: (217) [system] char_type('A', 'white')
   Call: (217) [system] char_type('A', end_of_line)
   Call: (217) [system] char_type('A', space)
   Call: (217) [system] char_type('A', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2015338)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (215) [system] 'A'=')'
   Call: (215) [system] 'A'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _2019052)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _2020910)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _2029378)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'='('
   Call: (216) [system] 'A'='['
   Call: (216) [system] 'A'='{'
   Call: (216) [system] 'A'='"'
   Call: (216) [system] 'A'=!
   Call: (216) [system] 'A'='\''
   Call: (216) [system] 'A'='`'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _2019052)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2039596)
   Call: (218) [system] peek_char((0x56051b6b4f40), _2040530)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_2044322, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2048892)
   Call: (219) [system] peek_char((0x56051b6b4f40), _2049826)
   Exit: (219) [system] peek_char((0x56051b6b4f40), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_2053618, v('(', ')', end_of_file), d)
   Call: (219) [system] ')'==d
   Call: (219) [system] get_char((0x56051b6b4f40), d)
   Exit: (219) [system] get_char((0x56051b6b4f40), d)
   Call: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2058188)
   Call: (220) [system] peek_char((0x56051b6b4f40), _2059122)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_2062914, v('(', ')', end_of_file), 'L')
   Call: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (220) [system] get_char((0x56051b6b4f40), 'L')
   Call: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2067484)
   Call: (221) [system] peek_char((0x56051b6b4f40), _2068418)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_2072210, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2076780)
   Call: (222) [system] peek_char((0x56051b6b4f40), _2077714)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_2081506, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2086076)
   Call: (223) [system] peek_char((0x56051b6b4f40), _2087010)
   Exit: (223) [system] peek_char((0x56051b6b4f40), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_2090802, v('(', ')', end_of_file), k)
   Call: (223) [system] ')'==k
   Call: (223) [system] get_char((0x56051b6b4f40), k)
   Exit: (223) [system] get_char((0x56051b6b4f40), k)
   Call: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2095372)
   Call: (224) [system] peek_char((0x56051b6b4f40), _5248)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _5244=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _5240=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (222) [system] _5236=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (221) [system] _5232=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (220) [system] _5228=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (219) [system] _5224=[d, 'L', i, n, k]
   Exit: (219) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (218) [system] _5220=[n, d, 'L', i, n, k]
   Exit: (218) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _5216)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_30822, _30824), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _5216), _30798, fail)), '$restore_trace'(_30822, _30824))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_30822, _30824))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _5216), _30798, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_5216)
   Call: (218) [system] atom_chars(_5216, ['A', n, d, 'L', i, n, k])
   Exit: (218) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _39274)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _41132)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _47942)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _50646)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _60038)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _63752)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _65610)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _74078)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _63752)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _84296)
   Call: (219) [system] peek_char((0x56051b6b4f40), _85230)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _84296=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq('A', [], _63752)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_94540, _94542), once(user:catch(read_from_chars(['A'], _63752), _94516, fail)), '$restore_trace'(_94540, _94542))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_94540, _94542))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _63752), _94516, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_63752)
   Call: (219) [system] atom_chars(_63752, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _102992)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _104850)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _111660)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _114364)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (219) [system] 'B'=(;)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _123756)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'=')'
   Call: (217) [system] 'B'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _127470)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _129328)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (219) [system] 'B'=(;)
^  Call: (219) [user] is_like_space('B')
   Call: (220) [system] char_type('B', 'white')
   Call: (220) [system] char_type('B', end_of_line)
   Call: (220) [system] char_type('B', space)
   Call: (220) [system] char_type('B', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _137796)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'='('
   Call: (218) [system] 'B'='['
   Call: (218) [system] 'B'='{'
   Call: (218) [system] 'B'='"'
   Call: (218) [system] 'B'=!
   Call: (218) [system] 'B'='\''
   Call: (218) [system] 'B'='`'
   Call: (218) [system] 'B'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _127470)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _148014)
   Call: (220) [system] peek_char((0x56051b6b4f40), _148948)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_152740, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _148014=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq('B', [], _127470)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_159202, _159204), once(user:catch(read_from_chars(['B'], _127470), _159178, fail)), '$restore_trace'(_159202, _159204))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_159202, _159204))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _127470), _159178, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_127470)
   Call: (220) [system] atom_chars(_127470, ['B'])
   Exit: (220) [system] atom_chars('B', ['B'])
^  Exit: (219) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _167654)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _169512)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _177980)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _181770)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _167654=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _102992=['B']
   Exit: (217) [system] ['B']=['B']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (216) [system] _39274=['A', 'B']
   Exit: (216) [system] ['A', 'B']=['A', 'B']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (215) [system] _5210=['AndLink', 'A', 'B']
   Exit: (215) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _195652)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _197510)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _204320)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _207024)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (216) [system] 'C'=(;)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _216416)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (214) [system] 'C'=')'
   Call: (214) [system] 'C'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _220130)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _221988)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (216) [system] 'C'=(;)
^  Call: (216) [user] is_like_space('C')
   Call: (217) [system] char_type('C', 'white')
   Call: (217) [system] char_type('C', end_of_line)
   Call: (217) [system] char_type('C', space)
   Call: (217) [system] char_type('C', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _230456)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'='('
   Call: (215) [system] 'C'='['
   Call: (215) [system] 'C'='{'
   Call: (215) [system] 'C'='"'
   Call: (215) [system] 'C'=!
   Call: (215) [system] 'C'='\''
   Call: (215) [system] 'C'='`'
   Call: (215) [system] 'C'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _220130)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _240674)
   Call: (217) [system] peek_char((0x56051b6b4f40), _241608)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (217) [user] is_delimiter(')')
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] arg(_245400, v('(', ')', end_of_file), ')')
   Exit: (218) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (217) [user] is_delimiter(')')
   Call: (217) [system] _240674=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq('C', [], _220130)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_251862, _251864), once(user:catch(read_from_chars(['C'], _220130), _251838, fail)), '$restore_trace'(_251862, _251864))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_251862, _251864))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _220130), _251838, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_220130)
   Call: (217) [system] atom_chars(_220130, ['C'])
   Exit: (217) [system] atom_chars('C', ['C'])
^  Exit: (216) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _260314)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _262172)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _270640)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _274430)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _260314=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _195652=['C']
   Exit: (214) [system] ['C']=['C']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (213) [system] _5206=[['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (212) [system] _5198=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (212) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _288312)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _290170)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _296980)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _299684)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _309076)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _312790)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _314648)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _323116)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _312790)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _328686)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (214) [system] 'O'=(;)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _337154)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _340868)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _342726)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (215) [system] 'O'=(;)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _351194)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'O')
   Call: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _340868)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _361412)
   Call: (216) [system] peek_char((0x56051b6b4f40), _362346)
   Exit: (216) [system] peek_char((0x56051b6b4f40), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_366138, v('(', ')', end_of_file), r)
   Call: (216) [system] ')'==r
   Call: (216) [system] get_char((0x56051b6b4f40), r)
   Exit: (216) [system] get_char((0x56051b6b4f40), r)
   Call: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _370708)
   Call: (217) [system] peek_char((0x56051b6b4f40), _371642)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_375434, v('(', ')', end_of_file), 'L')
   Call: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (217) [system] get_char((0x56051b6b4f40), 'L')
   Call: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _380004)
   Call: (218) [system] peek_char((0x56051b6b4f40), _380938)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_384730, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _389300)
   Call: (219) [system] peek_char((0x56051b6b4f40), _390234)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_394026, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _398596)
   Call: (220) [system] peek_char((0x56051b6b4f40), _399530)
   Exit: (220) [system] peek_char((0x56051b6b4f40), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_403322, v('(', ')', end_of_file), k)
   Call: (220) [system] ')'==k
   Call: (220) [system] get_char((0x56051b6b4f40), k)
   Exit: (220) [system] get_char((0x56051b6b4f40), k)
   Call: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _407892)
   Call: (221) [system] peek_char((0x56051b6b4f40), _408826)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _407892=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _398596=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (219) [system] _389300=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (218) [system] _380004=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (217) [system] _370708=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (216) [system] _361412=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _340868)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_432106, _432108), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _340868), _432082, fail)), '$restore_trace'(_432106, _432108))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_432106, _432108))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _340868), _432082, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_340868)
   Call: (216) [system] atom_chars(_340868, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _440558)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _442416)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _449226)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _451930)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _461322)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (214) [system] 'B'=')'
   Call: (214) [system] 'B'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _465036)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _466894)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'=(;)
^  Call: (216) [user] is_like_space('B')
   Call: (217) [system] char_type('B', 'white')
   Call: (217) [system] char_type('B', end_of_line)
   Call: (217) [system] char_type('B', space)
   Call: (217) [system] char_type('B', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _475362)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'='('
   Call: (215) [system] 'B'='['
   Call: (215) [system] 'B'='{'
   Call: (215) [system] 'B'='"'
   Call: (215) [system] 'B'=!
   Call: (215) [system] 'B'='\''
   Call: (215) [system] 'B'='`'
   Call: (215) [system] 'B'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _465036)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _485580)
   Call: (217) [system] peek_char((0x56051b6b4f40), _486514)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _485580=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq('B', [], _465036)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_495824, _495826), once(user:catch(read_from_chars(['B'], _465036), _495800, fail)), '$restore_trace'(_495824, _495826))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_495824, _495826))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _465036), _495800, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_465036)
   Call: (217) [system] atom_chars(_465036, ['B'])
   Exit: (217) [system] atom_chars('B', ['B'])
^  Exit: (216) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _504276)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _506134)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _512944)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _515648)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _525040)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _528754)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _530612)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _539080)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _528754)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _544650)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'=(;)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _553118)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _556832)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _558690)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=(;)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _567158)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _556832)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _577376)
   Call: (220) [system] peek_char((0x56051b6b4f40), _578310)
   Exit: (220) [system] peek_char((0x56051b6b4f40), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_582102, v('(', ')', end_of_file), m)
   Call: (220) [system] ')'==m
   Call: (220) [system] get_char((0x56051b6b4f40), m)
   Exit: (220) [system] get_char((0x56051b6b4f40), m)
   Call: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _586672)
   Call: (221) [system] peek_char((0x56051b6b4f40), _587606)
   Exit: (221) [system] peek_char((0x56051b6b4f40), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_591398, v('(', ')', end_of_file), p)
   Call: (221) [system] ')'==p
   Call: (221) [system] get_char((0x56051b6b4f40), p)
   Exit: (221) [system] get_char((0x56051b6b4f40), p)
   Call: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _595968)
   Call: (222) [system] peek_char((0x56051b6b4f40), _596902)
   Exit: (222) [system] peek_char((0x56051b6b4f40), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_600694, v('(', ')', end_of_file), l)
   Call: (222) [system] ')'==l
   Call: (222) [system] get_char((0x56051b6b4f40), l)
   Exit: (222) [system] get_char((0x56051b6b4f40), l)
   Call: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _605264)
   Call: (223) [system] peek_char((0x56051b6b4f40), _606198)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_609990, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _614560)
   Call: (224) [system] peek_char((0x56051b6b4f40), _615494)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_619286, v('(', ')', end_of_file), c)
   Call: (224) [system] ')'==c
   Call: (224) [system] get_char((0x56051b6b4f40), c)
   Exit: (224) [system] get_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _623856)
   Call: (225) [system] peek_char((0x56051b6b4f40), _624790)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_628582, v('(', ')', end_of_file), a)
   Call: (225) [system] ')'==a
   Call: (225) [system] get_char((0x56051b6b4f40), a)
   Exit: (225) [system] get_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _633152)
   Call: (226) [system] peek_char((0x56051b6b4f40), _634086)
   Exit: (226) [system] peek_char((0x56051b6b4f40), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_637878, v('(', ')', end_of_file), t)
   Call: (226) [system] ')'==t
   Call: (226) [system] get_char((0x56051b6b4f40), t)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _642448)
   Call: (227) [system] peek_char((0x56051b6b4f40), _643382)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_647174, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _651744)
   Call: (228) [system] peek_char((0x56051b6b4f40), _652678)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_656470, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _661040)
   Call: (229) [system] peek_char((0x56051b6b4f40), _661974)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_665766, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _670336)
   Call: (230) [system] peek_char((0x56051b6b4f40), _671270)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _670336=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _661040=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (228) [system] _651744=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (227) [system] _642448=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (226) [system] _633152=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (225) [system] _623856=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (224) [system] _614560=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (223) [system] _605264=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (222) [system] _595968=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _586672=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _577376=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _556832)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_708520, _708522), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _556832), _708496, fail)), '$restore_trace'(_708520, _708522))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_708520, _708522))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _556832), _708496, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_556832)
   Call: (220) [system] atom_chars(_556832, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _716972)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _718830)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _725640)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _728344)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _737736)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _741450)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _743308)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _751776)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _741450)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _757346)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _765814)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _769528)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _771386)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _779854)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _769528)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _790072)
   Call: (223) [system] peek_char((0x56051b6b4f40), _791006)
   Exit: (223) [system] peek_char((0x56051b6b4f40), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_794798, v('(', ')', end_of_file), r)
   Call: (223) [system] ')'==r
   Call: (223) [system] get_char((0x56051b6b4f40), r)
   Exit: (223) [system] get_char((0x56051b6b4f40), r)
   Call: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _799368)
   Call: (224) [system] peek_char((0x56051b6b4f40), _800302)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_804094, v('(', ')', end_of_file), 'L')
   Call: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (224) [system] get_char((0x56051b6b4f40), 'L')
   Call: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _808664)
   Call: (225) [system] peek_char((0x56051b6b4f40), _809598)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_813390, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _817960)
   Call: (226) [system] peek_char((0x56051b6b4f40), _818894)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_822686, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _827256)
   Call: (227) [system] peek_char((0x56051b6b4f40), _828190)
   Exit: (227) [system] peek_char((0x56051b6b4f40), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_831982, v('(', ')', end_of_file), k)
   Call: (227) [system] ')'==k
   Call: (227) [system] get_char((0x56051b6b4f40), k)
   Exit: (227) [system] get_char((0x56051b6b4f40), k)
   Call: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _836552)
   Call: (228) [system] peek_char((0x56051b6b4f40), _837486)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _836552=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _827256=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (226) [system] _817960=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (225) [system] _808664=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (224) [system] _799368=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (223) [system] _790072=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _769528)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_860766, _860768), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _769528), _860742, fail)), '$restore_trace'(_860766, _860768))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_860766, _860768))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _769528), _860742, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_769528)
   Call: (223) [system] atom_chars(_769528, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _869218)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _871076)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _877886)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _880590)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _889982)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _893696)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _895554)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _904022)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _893696)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _914240)
   Call: (224) [system] peek_char((0x56051b6b4f40), _915174)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _914240=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq('C', [], _893696)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_924484, _924486), once(user:catch(read_from_chars(['C'], _893696), _924460, fail)), '$restore_trace'(_924484, _924486))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_924484, _924486))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _893696), _924460, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_893696)
   Call: (224) [system] atom_chars(_893696, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _932936)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _934794)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _941604)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _944308)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'=(;)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _953700)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _957414)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _959272)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'=(;)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _967740)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _957414)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _977958)
   Call: (225) [system] peek_char((0x56051b6b4f40), _978892)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_982684, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _977958=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('D', [], _957414)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_989146, _989148), once(user:catch(read_from_chars(['D'], _957414), _989122, fail)), '$restore_trace'(_989146, _989148))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_989146, _989148))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _957414), _989122, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_957414)
   Call: (225) [system] atom_chars(_957414, ['D'])
   Exit: (225) [system] atom_chars('D', ['D'])
^  Exit: (224) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _997598)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _999456)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1007924)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _1011714)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _997598=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _932936=['D']
   Exit: (222) [system] ['D']=['D']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (221) [system] _869218=['C', 'D']
   Exit: (221) [system] ['C', 'D']=['C', 'D']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (220) [system] _741450=['OrLink', 'C', 'D']
   Exit: (220) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1025596)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1027454)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1034264)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1036968)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (221) [system] 'E'=(;)
^  Call: (221) [user] is_like_space('E')
   Call: (222) [system] char_type('E', 'white')
   Call: (222) [system] char_type('E', end_of_line)
   Call: (222) [system] char_type('E', space)
   Call: (222) [system] char_type('E', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1046360)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (219) [system] 'E'=')'
   Call: (219) [system] 'E'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1050074)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1051932)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (221) [system] 'E'=(;)
^  Call: (221) [user] is_like_space('E')
   Call: (222) [system] char_type('E', 'white')
   Call: (222) [system] char_type('E', end_of_line)
   Call: (222) [system] char_type('E', space)
   Call: (222) [system] char_type('E', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1060400)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'E')
   Call: (220) [system] 'E'='('
   Call: (220) [system] 'E'='['
   Call: (220) [system] 'E'='{'
   Call: (220) [system] 'E'='"'
   Call: (220) [system] 'E'=!
   Call: (220) [system] 'E'='\''
   Call: (220) [system] 'E'='`'
   Call: (220) [system] 'E'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1050074)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1070618)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1071552)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1075344, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1070618=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq('E', [], _1050074)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1081806, _1081808), once(user:catch(read_from_chars(['E'], _1050074), _1081782, fail)), '$restore_trace'(_1081806, _1081808))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1081806, _1081808))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1050074), _1081782, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1050074)
   Call: (222) [system] atom_chars(_1050074, ['E'])
   Exit: (222) [system] atom_chars('E', ['E'])
^  Exit: (221) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1090258)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1092116)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1100584)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _1104374)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _1090258=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _1025596=['E']
   Exit: (219) [system] ['E']=['E']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (218) [system] _716972=[['OrLink', 'C', 'D'], 'E']
   Exit: (218) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (217) [system] _528754=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (217) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1118256)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1120114)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1128582)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _1132372)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _1118256=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _504276=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (215) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (214) [system] _440558=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (214) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (213) [system] _312790=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (213) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1146254)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1148112)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1156580)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _1160370)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _1146254=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _288312=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (211) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (210) [system] _5194=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (210) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (209) [system] _5186=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (209) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1174252)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1176110)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=(;)
^  Call: (209) [user] is_like_space(')')
   Call: (210) [system] char_type(')', 'white')
   Call: (210) [system] char_type(')', end_of_line)
   Call: (210) [system] char_type(')', space)
   Call: (210) [system] char_type(')', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1184578)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ')')
   Call: (208) [system] ')'=')'
   Exit: (208) [system] ')'=')'
   Call: (208) [system] get_char((0x56051b6b4f40), _1188368)
   Exit: (208) [system] get_char((0x56051b6b4f40), ')')
   Call: (208) [system] _1174252=[]
   Exit: (208) [system] []=[]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (207) [system] _5182=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (207) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (206) [system] _5140=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (206) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (205) [system] _5132=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (205) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (204) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (203) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (203) [user] read_list(')', (0x56051b6b4f40), _1202250)
^  Call: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1204108)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (205) [system] '\n'=(;)
^  Call: (205) [user] is_like_space('\n')
   Call: (206) [system] char_type('\n', 'white')
   Call: (206) [system] char_type('\n', end_of_line)
   Exit: (206) [system] char_type('\n', end_of_line)
^  Exit: (205) [user] is_like_space('\n')
   Call: (205) [system] get_char((0x56051b6b4f40), _1211724)
   Exit: (205) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1214428)
   Exit: (206) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (206) [system] ' '=(;)
^  Call: (206) [user] is_like_space(' ')
   Call: (207) [system] char_type(' ', 'white')
   Exit: (207) [system] char_type(' ', 'white')
^  Exit: (206) [user] is_like_space(' ')
   Call: (206) [system] get_char((0x56051b6b4f40), _1221238)
   Exit: (206) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1223942)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (204) [user] skip_spaces((0x56051b6b4f40))
   Call: (204) [system] peek_char((0x56051b6b4f40), _1234258)
   Exit: (204) [system] peek_char((0x56051b6b4f40), '(')
   Call: (204) [system] '('=')'
   Call: (204) [system] '('=end_of_file
^  Call: (204) [user] cont_sexpr(')', (0x56051b6b4f40), _1237972)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1239830)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=(;)
^  Call: (206) [user] is_like_space('(')
   Call: (207) [system] char_type('(', 'white')
   Call: (207) [system] char_type('(', end_of_line)
   Call: (207) [system] char_type('(', space)
   Call: (207) [system] char_type('(', cntrl)
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] get_char((0x56051b6b4f40), _1248298)
   Exit: (205) [system] get_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('='('
   Exit: (205) [system] '('='('
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _1237972)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1253868)
   Exit: (207) [system] peek_char((0x56051b6b4f40), :)
   Call: (207) [system] (:)=(;)
^  Call: (207) [user] is_like_space(:)
   Call: (208) [system] char_type(:, 'white')
   Call: (208) [system] char_type(:, end_of_line)
   Call: (208) [system] char_type(:, space)
   Call: (208) [system] char_type(:, cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1262336)
   Exit: (206) [system] peek_char((0x56051b6b4f40), :)
   Call: (206) [system] (:)=')'
   Call: (206) [system] (:)=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _1266050)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1267908)
   Exit: (208) [system] peek_char((0x56051b6b4f40), :)
   Call: (208) [system] (:)=(;)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _1276376)
   Exit: (207) [system] get_char((0x56051b6b4f40), :)
   Call: (207) [system] (:)='('
   Call: (207) [system] (:)='['
   Call: (207) [system] (:)='{'
   Call: (207) [system] (:)='"'
   Call: (207) [system] (:)=!
   Call: (207) [system] (:)='\''
   Call: (207) [system] (:)='`'
   Call: (207) [system] (:)=end_of_file
^  Call: (207) [user] read_symbolic(')', (0x56051b6b4f40), :, _1266050)
^  Call: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1286594)
   Call: (209) [system] peek_char((0x56051b6b4f40), _1287528)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] is_delimiter(' ')
   Call: (210) [system] char_type(' ', space)
   Exit: (210) [system] char_type(' ', space)
^  Exit: (209) [user] is_delimiter(' ')
   Call: (209) [system] _1286594=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (208) [user] classify_and_convert_charseq(:, [], _1266050)
^  Call: (210) [system] setup_call_cleanup('$notrace'(_1296838, _1296840), once(user:catch(read_from_chars([:], _1266050), _1296814, fail)), '$restore_trace'(_1296838, _1296840))
^  Call: (211) [system] sig_atomic(system:'$notrace'(_1296838, _1296840))
^  Exit: (210) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1296814, fail)), system:'$restore_trace'(3, -1))
   Call: (209) [system] atomic(:)
   Exit: (209) [system] atomic(:)
^  Exit: (208) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (207) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1304338)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1306196)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _1313006)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1315710)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1325102)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1328816)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1330674)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1339142)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1328816)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1344712)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (210) [system] 'D'=(;)
^  Call: (210) [user] is_like_space('D')
   Call: (211) [system] char_type('D', 'white')
   Call: (211) [system] char_type('D', end_of_line)
   Call: (211) [system] char_type('D', space)
   Call: (211) [system] char_type('D', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1353180)
   Exit: (209) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (209) [system] 'D'=')'
   Call: (209) [system] 'D'=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1356894)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1358752)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1367220)
   Exit: (210) [system] get_char((0x56051b6b4f40), 'D')
   Call: (210) [system] 'D'='('
   Call: (210) [system] 'D'='['
   Call: (210) [system] 'D'='{'
   Call: (210) [system] 'D'='"'
   Call: (210) [system] 'D'=!
   Call: (210) [system] 'D'='\''
   Call: (210) [system] 'D'='`'
   Call: (210) [system] 'D'=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1356894)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1377438)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1378372)
   Exit: (212) [system] peek_char((0x56051b6b4f40), i)
^  Call: (212) [user] is_delimiter(i)
   Call: (213) [system] char_type(i, space)
   Call: (213) [system] arg(_1382164, v('(', ')', end_of_file), i)
   Call: (212) [system] ')'==i
   Call: (212) [system] get_char((0x56051b6b4f40), i)
   Exit: (212) [system] get_char((0x56051b6b4f40), i)
   Call: (212) [system] i=(\)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1386734)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1387668)
   Exit: (213) [system] peek_char((0x56051b6b4f40), s)
^  Call: (213) [user] is_delimiter(s)
   Call: (214) [system] char_type(s, space)
   Call: (214) [system] arg(_1391460, v('(', ')', end_of_file), s)
   Call: (213) [system] ')'==s
   Call: (213) [system] get_char((0x56051b6b4f40), s)
   Exit: (213) [system] get_char((0x56051b6b4f40), s)
   Call: (213) [system] s=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1396030)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1396964)
   Exit: (214) [system] peek_char((0x56051b6b4f40), j)
^  Call: (214) [user] is_delimiter(j)
   Call: (215) [system] char_type(j, space)
   Call: (215) [system] arg(_1400756, v('(', ')', end_of_file), j)
   Call: (214) [system] ')'==j
   Call: (214) [system] get_char((0x56051b6b4f40), j)
   Exit: (214) [system] get_char((0x56051b6b4f40), j)
   Call: (214) [system] j=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1405326)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1406260)
   Exit: (215) [system] peek_char((0x56051b6b4f40), u)
^  Call: (215) [user] is_delimiter(u)
   Call: (216) [system] char_type(u, space)
   Call: (216) [system] arg(_1410052, v('(', ')', end_of_file), u)
   Call: (215) [system] ')'==u
   Call: (215) [system] get_char((0x56051b6b4f40), u)
   Exit: (215) [system] get_char((0x56051b6b4f40), u)
   Call: (215) [system] u=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1414622)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1415556)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_1419348, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1423918)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1424852)
   Exit: (217) [system] peek_char((0x56051b6b4f40), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1428644, v('(', ')', end_of_file), c)
   Call: (217) [system] ')'==c
   Call: (217) [system] get_char((0x56051b6b4f40), c)
   Exit: (217) [system] get_char((0x56051b6b4f40), c)
   Call: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1433214)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1434148)
   Exit: (218) [system] peek_char((0x56051b6b4f40), t)
^  Call: (218) [user] is_delimiter(t)
   Call: (219) [system] char_type(t, space)
   Call: (219) [system] arg(_1437940, v('(', ')', end_of_file), t)
   Call: (218) [system] ')'==t
   Call: (218) [system] get_char((0x56051b6b4f40), t)
   Exit: (218) [system] get_char((0x56051b6b4f40), t)
   Call: (218) [system] t=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1442510)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1443444)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1447236, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1451806)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1452740)
   Exit: (220) [system] peek_char((0x56051b6b4f40), o)
^  Call: (220) [user] is_delimiter(o)
   Call: (221) [system] char_type(o, space)
   Call: (221) [system] arg(_1456532, v('(', ')', end_of_file), o)
   Call: (220) [system] ')'==o
   Call: (220) [system] get_char((0x56051b6b4f40), o)
   Exit: (220) [system] get_char((0x56051b6b4f40), o)
   Call: (220) [system] o=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1461102)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1462036)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1465828, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1470398)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1471332)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (222) [user] is_delimiter('I')
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] arg(_1475124, v('(', ')', end_of_file), 'I')
   Call: (222) [system] ')'=='I'
   Call: (222) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (222) [system] get_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1479694)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1480628)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1484420, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1488990)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1489924)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1493716, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1498286)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1499220)
   Exit: (225) [system] peek_char((0x56051b6b4f40), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1503012, v('(', ')', end_of_file), r)
   Call: (225) [system] ')'==r
   Call: (225) [system] get_char((0x56051b6b4f40), r)
   Exit: (225) [system] get_char((0x56051b6b4f40), r)
   Call: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1507582)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1508516)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1512308, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1516878)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1517812)
   Exit: (227) [system] peek_char((0x56051b6b4f40), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1521604, v('(', ')', end_of_file), d)
   Call: (227) [system] ')'==d
   Call: (227) [system] get_char((0x56051b6b4f40), d)
   Exit: (227) [system] get_char((0x56051b6b4f40), d)
   Call: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1526174)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1527108)
   Exit: (228) [system] peek_char((0x56051b6b4f40), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1530900, v('(', ')', end_of_file), u)
   Call: (228) [system] ')'==u
   Call: (228) [system] get_char((0x56051b6b4f40), u)
   Exit: (228) [system] get_char((0x56051b6b4f40), u)
   Call: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1535470)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1536404)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1540196, v('(', ')', end_of_file), c)
   Call: (229) [system] ')'==c
   Call: (229) [system] get_char((0x56051b6b4f40), c)
   Exit: (229) [system] get_char((0x56051b6b4f40), c)
   Call: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1544766)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1545700)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1549492, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1554062)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1554996)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1558788, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1563358)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1564292)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1568084, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1572654)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1573588)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1577380, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1581950)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1582884)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1581950=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1572654=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (232) [system] _1563358=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (231) [system] _1554062=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (230) [system] _1544766=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (229) [system] _1535470=[c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (228) [system] _1526174=[u, c, t, i, o, n]
   Exit: (228) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (227) [system] _1516878=[d, u, c, t, i, o, n]
   Exit: (227) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (226) [system] _1507582=[o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (225) [system] _1498286=[r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1488990=[t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1479694=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1470398=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1461102=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1451806=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1442510=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1433214=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1423918=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1414622=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1405326=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1396030=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1386734=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (212) [system] _1377438=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (212) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (211) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1356894)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1653662, _1653664), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1356894), _1653638, fail)), '$restore_trace'(_1653662, _1653664))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1653662, _1653664))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1356894), _1653638, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(_1356894)
   Call: (212) [system] atom_chars(_1356894, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (212) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (211) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1662114)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1663972)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1670782)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1673486)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1682878)
   Exit: (210) [system] peek_char((0x56051b6b4f40), a)
   Call: (210) [system] a=')'
   Call: (210) [system] a=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1686592)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1688450)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=(;)
^  Call: (212) [user] is_like_space(a)
   Call: (213) [system] char_type(a, 'white')
   Call: (213) [system] char_type(a, end_of_line)
   Call: (213) [system] char_type(a, space)
   Call: (213) [system] char_type(a, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1696918)
   Exit: (211) [system] get_char((0x56051b6b4f40), a)
   Call: (211) [system] a='('
   Call: (211) [system] a='['
   Call: (211) [system] a='{'
   Call: (211) [system] a='"'
   Call: (211) [system] a=!
   Call: (211) [system] a='\''
   Call: (211) [system] a='`'
   Call: (211) [system] a=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), a, _1686592)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1707136)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1708070)
   Exit: (213) [system] peek_char((0x56051b6b4f40), b)
^  Call: (213) [user] is_delimiter(b)
   Call: (214) [system] char_type(b, space)
   Call: (214) [system] arg(_1711862, v('(', ')', end_of_file), b)
   Call: (213) [system] ')'==b
   Call: (213) [system] get_char((0x56051b6b4f40), b)
   Exit: (213) [system] get_char((0x56051b6b4f40), b)
   Call: (213) [system] b=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1716432)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1717366)
   Exit: (214) [system] peek_char((0x56051b6b4f40), c)
^  Call: (214) [user] is_delimiter(c)
   Call: (215) [system] char_type(c, space)
   Call: (215) [system] arg(_1721158, v('(', ')', end_of_file), c)
   Call: (214) [system] ')'==c
   Call: (214) [system] get_char((0x56051b6b4f40), c)
   Exit: (214) [system] get_char((0x56051b6b4f40), c)
   Call: (214) [system] c=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1725728)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1726662)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1725728=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (214) [system] _1716432=[c]
   Exit: (214) [system] [c]=[c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (213) [system] _1707136=[b, c]
   Exit: (213) [system] [b, c]=[b, c]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (212) [user] classify_and_convert_charseq(a, [b, c], _1686592)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1741560, _1741562), once(user:catch(read_from_chars([a, b, c], _1686592), _1741536, fail)), '$restore_trace'(_1741560, _1741562))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1741560, _1741562))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1741536, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(abc)
   Exit: (213) [system] atomic(abc)
^  Exit: (212) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1749060)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1750918)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1757728)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1760432)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1769824)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1773538)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1775396)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1783864)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1773538)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1789434)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1797902)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1801616)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1803474)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1811942)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1801616)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1822160)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1823094)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_1826886, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1831456)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1832390)
   Exit: (217) [system] peek_char((0x56051b6b4f40), s)
^  Call: (217) [user] is_delimiter(s)
   Call: (218) [system] char_type(s, space)
   Call: (218) [system] arg(_1836182, v('(', ')', end_of_file), s)
   Call: (217) [system] ')'==s
   Call: (217) [system] get_char((0x56051b6b4f40), s)
   Exit: (217) [system] get_char((0x56051b6b4f40), s)
   Call: (217) [system] s=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1840752)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1841686)
   Exit: (218) [system] peek_char((0x56051b6b4f40), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_1845478, v('(', ')', end_of_file), j)
   Call: (218) [system] ')'==j
   Call: (218) [system] get_char((0x56051b6b4f40), j)
   Exit: (218) [system] get_char((0x56051b6b4f40), j)
   Call: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1850048)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1850982)
   Exit: (219) [system] peek_char((0x56051b6b4f40), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_1854774, v('(', ')', end_of_file), u)
   Call: (219) [system] ')'==u
   Call: (219) [system] get_char((0x56051b6b4f40), u)
   Exit: (219) [system] get_char((0x56051b6b4f40), u)
   Call: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1859344)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1860278)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1864070, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1868640)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1869574)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_1873366, v('(', ')', end_of_file), c)
   Call: (221) [system] ')'==c
   Call: (221) [system] get_char((0x56051b6b4f40), c)
   Exit: (221) [system] get_char((0x56051b6b4f40), c)
   Call: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1877936)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1878870)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_1882662, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1887232)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1888166)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1891958, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1896528)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1897462)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_1901254, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1905824)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1906758)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1910550, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1915120)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1916054)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_1919846, v('(', ')', end_of_file), 'I')
   Call: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (226) [system] get_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1924416)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1925350)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1929142, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1933712)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1934646)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1938438, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1943008)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1943942)
   Exit: (229) [system] peek_char((0x56051b6b4f40), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1947734, v('(', ')', end_of_file), r)
   Call: (229) [system] ')'==r
   Call: (229) [system] get_char((0x56051b6b4f40), r)
   Exit: (229) [system] get_char((0x56051b6b4f40), r)
   Call: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1952304)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1953238)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1957030, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1961600)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1962534)
   Exit: (231) [system] peek_char((0x56051b6b4f40), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_1966326, v('(', ')', end_of_file), d)
   Call: (231) [system] ')'==d
   Call: (231) [system] get_char((0x56051b6b4f40), d)
   Exit: (231) [system] get_char((0x56051b6b4f40), d)
   Call: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1970896)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1971830)
   Exit: (232) [system] peek_char((0x56051b6b4f40), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1975622, v('(', ')', end_of_file), u)
   Call: (232) [system] ')'==u
   Call: (232) [system] get_char((0x56051b6b4f40), u)
   Exit: (232) [system] get_char((0x56051b6b4f40), u)
   Call: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1980192)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1981126)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_1984918, v('(', ')', end_of_file), c)
   Call: (233) [system] ')'==c
   Call: (233) [system] get_char((0x56051b6b4f40), c)
   Exit: (233) [system] get_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1989488)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1990422)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1994214, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1998784)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1999718)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_2003510, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2008080)
   Call: (236) [system] peek_char((0x56051b6b4f40), _2009014)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_2012806, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2017376)
   Call: (237) [system] peek_char((0x56051b6b4f40), _2018310)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_2022102, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2026672)
   Call: (238) [system] peek_char((0x56051b6b4f40), _2027606)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _2026672=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _2017376=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (236) [system] _2008080=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (235) [system] _1998784=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (234) [system] _1989488=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (233) [system] _1980192=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (232) [system] _1970896=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (231) [system] _1961600=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (230) [system] _1952304=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _1943008=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1933712=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1924416=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1915120=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1905824=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1896528=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1887232=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1877936=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1868640=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1859344=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1850048=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1840752=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1831456=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1822160=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5336)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_7066, _7068), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5336), _7042, fail)), '$restore_trace'(_7066, _7068))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_7066, _7068))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5336), _7042, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_5336)
   Call: (216) [system] atom_chars(_5336, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _15518)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _17376)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _24186)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _26890)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _36282)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _39996)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _41854)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _50322)
   Exit: (215) [system] get_char((0x56051b6b4f40), a)
   Call: (215) [system] a='('
   Call: (215) [system] a='['
   Call: (215) [system] a='{'
   Call: (215) [system] a='"'
   Call: (215) [system] a=!
   Call: (215) [system] a='\''
   Call: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), a, _39996)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _60540)
   Call: (217) [system] peek_char((0x56051b6b4f40), _61474)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _60540=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq(a, [], _39996)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_70784, _70786), once(user:catch(read_from_chars([a], _39996), _70760, fail)), '$restore_trace'(_70784, _70786))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_70784, _70786))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _70760, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(a)
   Exit: (217) [system] atomic(a)
^  Exit: (216) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _78284)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _80142)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _86952)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _89656)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _99048)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _102762)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _104620)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _113088)
   Exit: (216) [system] get_char((0x56051b6b4f40), a)
   Call: (216) [system] a='('
   Call: (216) [system] a='['
   Call: (216) [system] a='{'
   Call: (216) [system] a='"'
   Call: (216) [system] a=!
   Call: (216) [system] a='\''
   Call: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), a, _102762)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _123306)
   Call: (218) [system] peek_char((0x56051b6b4f40), _124240)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_128032, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _123306=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq(a, [], _102762)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_134494, _134496), once(user:catch(read_from_chars([a], _102762), _134470, fail)), '$restore_trace'(_134494, _134496))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_134494, _134496))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _134470, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(a)
   Exit: (218) [system] atomic(a)
^  Exit: (217) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _141994)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _143852)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _152320)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _156110)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _141994=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _78284=[a]
   Exit: (215) [system] [a]=[a]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (214) [system] _15518=[a, a]
   Exit: (214) [system] [a, a]=[a, a]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (213) [system] _5330=['DisjunctionIntroduction', a, a]
   Exit: (213) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _169992)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _171850)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _180318)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _184108)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _169992=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _5326=[['DisjunctionIntroduction', a, a]]
   Exit: (211) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a]])
   Call: (210) [system] _5320=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (210) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (209) [system] _5312=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (209) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _197990)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _199848)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _206658)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _209362)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _218754)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _222468)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _224326)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _232794)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _222468)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _238364)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'=(;)
^  Call: (211) [user] is_like_space('O')
   Call: (212) [system] char_type('O', 'white')
   Call: (212) [system] char_type('O', end_of_line)
   Call: (212) [system] char_type('O', space)
   Call: (212) [system] char_type('O', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _246832)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (210) [system] 'O'=')'
   Call: (210) [system] 'O'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _250546)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _252404)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _260872)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'='('
   Call: (211) [system] 'O'='['
   Call: (211) [system] 'O'='{'
   Call: (211) [system] 'O'='"'
   Call: (211) [system] 'O'=!
   Call: (211) [system] 'O'='\''
   Call: (211) [system] 'O'='`'
   Call: (211) [system] 'O'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _250546)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _271090)
   Call: (213) [system] peek_char((0x56051b6b4f40), _272024)
   Exit: (213) [system] peek_char((0x56051b6b4f40), r)
^  Call: (213) [user] is_delimiter(r)
   Call: (214) [system] char_type(r, space)
   Call: (214) [system] arg(_275816, v('(', ')', end_of_file), r)
   Call: (213) [system] ')'==r
   Call: (213) [system] get_char((0x56051b6b4f40), r)
   Exit: (213) [system] get_char((0x56051b6b4f40), r)
   Call: (213) [system] r=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _280386)
   Call: (214) [system] peek_char((0x56051b6b4f40), _281320)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (214) [user] is_delimiter('L')
   Call: (215) [system] char_type('L', space)
   Call: (215) [system] arg(_285112, v('(', ')', end_of_file), 'L')
   Call: (214) [system] ')'=='L'
   Call: (214) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (214) [system] get_char((0x56051b6b4f40), 'L')
   Call: (214) [system] 'L'=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _289682)
   Call: (215) [system] peek_char((0x56051b6b4f40), _290616)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_294408, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _298978)
   Call: (216) [system] peek_char((0x56051b6b4f40), _299912)
   Exit: (216) [system] peek_char((0x56051b6b4f40), n)
^  Call: (216) [user] is_delimiter(n)
   Call: (217) [system] char_type(n, space)
   Call: (217) [system] arg(_303704, v('(', ')', end_of_file), n)
   Call: (216) [system] ')'==n
   Call: (216) [system] get_char((0x56051b6b4f40), n)
   Exit: (216) [system] get_char((0x56051b6b4f40), n)
   Call: (216) [system] n=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _308274)
   Call: (217) [system] peek_char((0x56051b6b4f40), _309208)
   Exit: (217) [system] peek_char((0x56051b6b4f40), k)
^  Call: (217) [user] is_delimiter(k)
   Call: (218) [system] char_type(k, space)
   Call: (218) [system] arg(_313000, v('(', ')', end_of_file), k)
   Call: (217) [system] ')'==k
   Call: (217) [system] get_char((0x56051b6b4f40), k)
   Exit: (217) [system] get_char((0x56051b6b4f40), k)
   Call: (217) [system] k=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _317570)
   Call: (218) [system] peek_char((0x56051b6b4f40), _318504)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _317570=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (217) [system] _308274=[k]
   Exit: (217) [system] [k]=[k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (216) [system] _298978=[n, k]
   Exit: (216) [system] [n, k]=[n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (215) [system] _289682=[i, n, k]
   Exit: (215) [system] [i, n, k]=[i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (214) [system] _280386=['L', i, n, k]
   Exit: (214) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (213) [system] _271090=[r, 'L', i, n, k]
   Exit: (213) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _250546)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_341784, _341786), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _250546), _341760, fail)), '$restore_trace'(_341784, _341786))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_341784, _341786))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _250546), _341760, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_250546)
   Call: (213) [system] atom_chars(_250546, ['O', r, 'L', i, n, k])
   Exit: (213) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (212) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _350236)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _352094)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _358904)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _361608)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _371000)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _374714)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _376572)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _385040)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _374714)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _390610)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'=(;)
^  Call: (214) [user] is_like_space('I')
   Call: (215) [system] char_type('I', 'white')
   Call: (215) [system] char_type('I', end_of_line)
   Call: (215) [system] char_type('I', space)
   Call: (215) [system] char_type('I', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _399078)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (213) [system] 'I'=')'
   Call: (213) [system] 'I'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _402792)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _404650)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (215) [system] 'I'=(;)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _413118)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'='('
   Call: (214) [system] 'I'='['
   Call: (214) [system] 'I'='{'
   Call: (214) [system] 'I'='"'
   Call: (214) [system] 'I'=!
   Call: (214) [system] 'I'='\''
   Call: (214) [system] 'I'='`'
   Call: (214) [system] 'I'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _402792)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _423336)
   Call: (216) [system] peek_char((0x56051b6b4f40), _424270)
   Exit: (216) [system] peek_char((0x56051b6b4f40), m)
^  Call: (216) [user] is_delimiter(m)
   Call: (217) [system] char_type(m, space)
   Call: (217) [system] arg(_428062, v('(', ')', end_of_file), m)
   Call: (216) [system] ')'==m
   Call: (216) [system] get_char((0x56051b6b4f40), m)
   Exit: (216) [system] get_char((0x56051b6b4f40), m)
   Call: (216) [system] m=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _432632)
   Call: (217) [system] peek_char((0x56051b6b4f40), _433566)
   Exit: (217) [system] peek_char((0x56051b6b4f40), p)
^  Call: (217) [user] is_delimiter(p)
   Call: (218) [system] char_type(p, space)
   Call: (218) [system] arg(_437358, v('(', ')', end_of_file), p)
   Call: (217) [system] ')'==p
   Call: (217) [system] get_char((0x56051b6b4f40), p)
   Exit: (217) [system] get_char((0x56051b6b4f40), p)
   Call: (217) [system] p=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _441928)
   Call: (218) [system] peek_char((0x56051b6b4f40), _442862)
   Exit: (218) [system] peek_char((0x56051b6b4f40), l)
^  Call: (218) [user] is_delimiter(l)
   Call: (219) [system] char_type(l, space)
   Call: (219) [system] arg(_446654, v('(', ')', end_of_file), l)
   Call: (218) [system] ')'==l
   Call: (218) [system] get_char((0x56051b6b4f40), l)
   Exit: (218) [system] get_char((0x56051b6b4f40), l)
   Call: (218) [system] l=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _451224)
   Call: (219) [system] peek_char((0x56051b6b4f40), _452158)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_455950, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _460520)
   Call: (220) [system] peek_char((0x56051b6b4f40), _461454)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_465246, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _469816)
   Call: (221) [system] peek_char((0x56051b6b4f40), _470750)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
^  Call: (221) [user] is_delimiter(a)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] arg(_474542, v('(', ')', end_of_file), a)
   Call: (221) [system] ')'==a
   Call: (221) [system] get_char((0x56051b6b4f40), a)
   Exit: (221) [system] get_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _479112)
   Call: (222) [system] peek_char((0x56051b6b4f40), _480046)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_483838, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _488408)
   Call: (223) [system] peek_char((0x56051b6b4f40), _489342)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_493134, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _497704)
   Call: (224) [system] peek_char((0x56051b6b4f40), _498638)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_502430, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _507000)
   Call: (225) [system] peek_char((0x56051b6b4f40), _507934)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_511726, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _516296)
   Call: (226) [system] peek_char((0x56051b6b4f40), _517230)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _516296=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _507000=[n]
   Exit: (225) [system] [n]=[n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (224) [system] _497704=[o, n]
   Exit: (224) [system] [o, n]=[o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (223) [system] _488408=[i, o, n]
   Exit: (223) [system] [i, o, n]=[i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (222) [system] _479112=[t, i, o, n]
   Exit: (222) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (221) [system] _469816=[a, t, i, o, n]
   Exit: (221) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (220) [system] _460520=[c, a, t, i, o, n]
   Exit: (220) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (219) [system] _451224=[i, c, a, t, i, o, n]
   Exit: (219) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (218) [system] _441928=[l, i, c, a, t, i, o, n]
   Exit: (218) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (217) [system] _432632=[p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (216) [system] _423336=[m, p, l, i, c, a, t, i, o, n]
   Exit: (216) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _402792)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_554480, _554482), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _402792), _554456, fail)), '$restore_trace'(_554480, _554482))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_554480, _554482))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _402792), _554456, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_402792)
   Call: (216) [system] atom_chars(_402792, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (216) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _562932)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _564790)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _571600)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _574304)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _583696)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _587410)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _589268)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _597736)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _587410)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _603306)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=(;)
^  Call: (217) [user] is_like_space('A')
   Call: (218) [system] char_type('A', 'white')
   Call: (218) [system] char_type('A', end_of_line)
   Call: (218) [system] char_type('A', space)
   Call: (218) [system] char_type('A', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _611774)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _615488)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _617346)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _625814)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _615488)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _636032)
   Call: (219) [system] peek_char((0x56051b6b4f40), _636966)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_640758, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _645328)
   Call: (220) [system] peek_char((0x56051b6b4f40), _646262)
   Exit: (220) [system] peek_char((0x56051b6b4f40), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_650054, v('(', ')', end_of_file), d)
   Call: (220) [system] ')'==d
   Call: (220) [system] get_char((0x56051b6b4f40), d)
   Exit: (220) [system] get_char((0x56051b6b4f40), d)
   Call: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _654624)
   Call: (221) [system] peek_char((0x56051b6b4f40), _655558)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_659350, v('(', ')', end_of_file), 'L')
   Call: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (221) [system] get_char((0x56051b6b4f40), 'L')
   Call: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _663920)
   Call: (222) [system] peek_char((0x56051b6b4f40), _664854)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_668646, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _673216)
   Call: (223) [system] peek_char((0x56051b6b4f40), _674150)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_677942, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _682512)
   Call: (224) [system] peek_char((0x56051b6b4f40), _683446)
   Exit: (224) [system] peek_char((0x56051b6b4f40), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_687238, v('(', ')', end_of_file), k)
   Call: (224) [system] ')'==k
   Call: (224) [system] get_char((0x56051b6b4f40), k)
   Exit: (224) [system] get_char((0x56051b6b4f40), k)
   Call: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _691808)
   Call: (225) [system] peek_char((0x56051b6b4f40), _692742)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _691808=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _682512=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (223) [system] _673216=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (222) [system] _663920=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (221) [system] _654624=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (220) [system] _645328=[d, 'L', i, n, k]
   Exit: (220) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (219) [system] _636032=[n, d, 'L', i, n, k]
   Exit: (219) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _615488)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_718816, _718818), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _615488), _718792, fail)), '$restore_trace'(_718816, _718818))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_718816, _718818))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _615488), _718792, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_615488)
   Call: (219) [system] atom_chars(_615488, ['A', n, d, 'L', i, n, k])
   Exit: (219) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _727268)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _729126)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _735936)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _738640)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _748032)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _751746)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _753604)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _762072)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _751746)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _772290)
   Call: (220) [system] peek_char((0x56051b6b4f40), _773224)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _772290=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq('A', [], _751746)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_782534, _782536), once(user:catch(read_from_chars(['A'], _751746), _782510, fail)), '$restore_trace'(_782534, _782536))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_782534, _782536))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _751746), _782510, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_751746)
   Call: (220) [system] atom_chars(_751746, ['A'])
   Exit: (220) [system] atom_chars('A', ['A'])
^  Exit: (219) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _790986)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _792844)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _799654)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _802358)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _811750)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _815464)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _817322)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _825790)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'B')
   Call: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _815464)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _836008)
   Call: (221) [system] peek_char((0x56051b6b4f40), _836942)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_840734, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _836008=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (220) [user] classify_and_convert_charseq('B', [], _815464)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_847196, _847198), once(user:catch(read_from_chars(['B'], _815464), _847172, fail)), '$restore_trace'(_847196, _847198))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_847196, _847198))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _815464), _847172, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_815464)
   Call: (221) [system] atom_chars(_815464, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _855648)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _857506)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _865974)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _869764)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _855648=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _790986=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (217) [system] _727268=['A', 'B']
   Exit: (217) [system] ['A', 'B']=['A', 'B']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (216) [system] _587410=['AndLink', 'A', 'B']
   Exit: (216) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _883646)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _885504)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _892314)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _895018)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (217) [system] 'C'=(;)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _904410)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (215) [system] 'C'=')'
   Call: (215) [system] 'C'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _908124)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _909982)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (217) [system] 'C'=(;)
^  Call: (217) [user] is_like_space('C')
   Call: (218) [system] char_type('C', 'white')
   Call: (218) [system] char_type('C', end_of_line)
   Call: (218) [system] char_type('C', space)
   Call: (218) [system] char_type('C', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _918450)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'C')
   Call: (216) [system] 'C'='('
   Call: (216) [system] 'C'='['
   Call: (216) [system] 'C'='{'
   Call: (216) [system] 'C'='"'
   Call: (216) [system] 'C'=!
   Call: (216) [system] 'C'='\''
   Call: (216) [system] 'C'='`'
   Call: (216) [system] 'C'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _908124)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _928668)
   Call: (218) [system] peek_char((0x56051b6b4f40), _929602)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (218) [user] is_delimiter(')')
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] arg(_933394, v('(', ')', end_of_file), ')')
   Exit: (219) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (218) [user] is_delimiter(')')
   Call: (218) [system] _928668=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('C', [], _908124)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_939856, _939858), once(user:catch(read_from_chars(['C'], _908124), _939832, fail)), '$restore_trace'(_939856, _939858))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_939856, _939858))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _908124), _939832, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_908124)
   Call: (218) [system] atom_chars(_908124, ['C'])
   Exit: (218) [system] atom_chars('C', ['C'])
^  Exit: (217) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _948308)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _950166)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _958634)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _962424)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _948308=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _883646=['C']
   Exit: (215) [system] ['C']=['C']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (214) [system] _562932=[['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (213) [system] _374714=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (213) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _976306)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _978164)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _984974)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _987678)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _997070)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1000784)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1002642)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1011110)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1000784)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1016680)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (215) [system] 'O'=(;)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1025148)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1028862)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1030720)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1039188)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'O')
   Call: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1028862)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1049406)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1050340)
   Exit: (217) [system] peek_char((0x56051b6b4f40), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_1054132, v('(', ')', end_of_file), r)
   Call: (217) [system] ')'==r
   Call: (217) [system] get_char((0x56051b6b4f40), r)
   Exit: (217) [system] get_char((0x56051b6b4f40), r)
   Call: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1058702)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1059636)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1063428, v('(', ')', end_of_file), 'L')
   Call: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (218) [system] get_char((0x56051b6b4f40), 'L')
   Call: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1067998)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1068932)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1072724, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1077294)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1078228)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1082020, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1086590)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1087524)
   Exit: (221) [system] peek_char((0x56051b6b4f40), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1091316, v('(', ')', end_of_file), k)
   Call: (221) [system] ')'==k
   Call: (221) [system] get_char((0x56051b6b4f40), k)
   Exit: (221) [system] get_char((0x56051b6b4f40), k)
   Call: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1095886)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1096820)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1095886=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _1086590=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (220) [system] _1077294=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (219) [system] _1067998=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (218) [system] _1058702=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (217) [system] _1049406=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1028862)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1120100, _1120102), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1028862), _1120076, fail)), '$restore_trace'(_1120100, _1120102))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1120100, _1120102))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1028862), _1120076, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1028862)
   Call: (217) [system] atom_chars(_1028862, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1128552)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1130410)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1137220)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1139924)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1149316)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (215) [system] 'B'=')'
   Call: (215) [system] 'B'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1153030)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1154888)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (217) [system] 'B'=(;)
^  Call: (217) [user] is_like_space('B')
   Call: (218) [system] char_type('B', 'white')
   Call: (218) [system] char_type('B', end_of_line)
   Call: (218) [system] char_type('B', space)
   Call: (218) [system] char_type('B', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1163356)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'B')
   Call: (216) [system] 'B'='('
   Call: (216) [system] 'B'='['
   Call: (216) [system] 'B'='{'
   Call: (216) [system] 'B'='"'
   Call: (216) [system] 'B'=!
   Call: (216) [system] 'B'='\''
   Call: (216) [system] 'B'='`'
   Call: (216) [system] 'B'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1153030)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1173574)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1174508)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1173574=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq('B', [], _1153030)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1183818, _1183820), once(user:catch(read_from_chars(['B'], _1153030), _1183794, fail)), '$restore_trace'(_1183818, _1183820))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1183818, _1183820))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1153030), _1183794, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1153030)
   Call: (218) [system] atom_chars(_1153030, ['B'])
   Exit: (218) [system] atom_chars('B', ['B'])
^  Exit: (217) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1192270)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1194128)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1200938)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1203642)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1213034)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (216) [system] 'A'=')'
   Call: (216) [system] 'A'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1216748)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1218606)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1227074)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'='('
   Call: (217) [system] 'A'='['
   Call: (217) [system] 'A'='{'
   Call: (217) [system] 'A'='"'
   Call: (217) [system] 'A'=!
   Call: (217) [system] 'A'='\''
   Call: (217) [system] 'A'='`'
   Call: (217) [system] 'A'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1216748)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1237292)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1238226)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1242018, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1237292=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq('A', [], _1216748)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1248480, _1248482), once(user:catch(read_from_chars(['A'], _1216748), _1248456, fail)), '$restore_trace'(_1248480, _1248482))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1248480, _1248482))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1216748), _1248456, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1216748)
   Call: (219) [system] atom_chars(_1216748, ['A'])
   Exit: (219) [system] atom_chars('A', ['A'])
^  Exit: (218) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1256932)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1258790)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1267258)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _1271048)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _1256932=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1192270=['A']
   Exit: (216) [system] ['A']=['A']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (215) [system] _1128552=['B', 'A']
   Exit: (215) [system] ['B', 'A']=['B', 'A']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['B', 'A'])
   Call: (214) [system] _1000784=['OrLink', 'B', 'A']
   Exit: (214) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', 'A'])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', 'A'])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1284930)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1286788)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1295256)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _1299046)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _1284930=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _976306=[['OrLink', 'B', 'A']]
   Exit: (212) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', 'A']])
   Call: (211) [system] _350236=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
   Exit: (211) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
   Call: (210) [system] _222468=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
   Exit: (210) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1312928)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1314786)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=(;)
^  Call: (210) [user] is_like_space(')')
   Call: (211) [system] char_type(')', 'white')
   Call: (211) [system] char_type(')', end_of_line)
   Call: (211) [system] char_type(')', space)
   Call: (211) [system] char_type(')', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1323254)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ')')
   Call: (209) [system] ')'=')'
   Exit: (209) [system] ')'=')'
   Call: (209) [system] get_char((0x56051b6b4f40), _1327044)
   Exit: (209) [system] get_char((0x56051b6b4f40), ')')
   Call: (209) [system] _1312928=[]
   Exit: (209) [system] []=[]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (208) [system] _197990=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (208) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
   Call: (207) [system] _5308=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (207) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
   Call: (206) [system] _5300=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
   Exit: (206) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]]
^  Exit: (205) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
^  Exit: (204) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'B', 'A']]])
^  Call: (204) [user] read_list(')', (0x56051b6b4f40), _1340926)
^  Call: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _1342784)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (206) [system] '\n'=(;)
^  Call: (206) [user] is_like_space('\n')
   Call: (207) [system] char_type('\n', 'white')
   Call: (207) [system] char_type('\n', end_of_line)
   Exit: (207) [system] char_type('\n', end_of_line)
^  Exit: (206) [user] is_like_space('\n')
   Call: (206) [system] get_char((0x56051b6b4f40), _1350400)
   Exit: (206) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1353104)
   Exit: (207) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (207) [system] ' '=(;)
^  Call: (207) [user] is_like_space(' ')
   Call: (208) [system] char_type(' ', 'white')
   Exit: (208) [system] char_type(' ', 'white')
^  Exit: (207) [user] is_like_space(' ')
   Call: (207) [system] get_char((0x56051b6b4f40), _1359914)
   Exit: (207) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1362618)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (205) [user] skip_spaces((0x56051b6b4f40))
   Call: (205) [system] peek_char((0x56051b6b4f40), _1372934)
   Exit: (205) [system] peek_char((0x56051b6b4f40), '(')
   Call: (205) [system] '('=')'
   Call: (205) [system] '('=end_of_file
^  Call: (205) [user] cont_sexpr(')', (0x56051b6b4f40), _1376648)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1378506)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=(;)
^  Call: (207) [user] is_like_space('(')
   Call: (208) [system] char_type('(', 'white')
   Call: (208) [system] char_type('(', end_of_line)
   Call: (208) [system] char_type('(', space)
   Call: (208) [system] char_type('(', cntrl)
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] get_char((0x56051b6b4f40), _1386974)
   Exit: (206) [system] get_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('='('
   Exit: (206) [system] '('='('
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1376648)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1392544)
   Exit: (208) [system] peek_char((0x56051b6b4f40), :)
   Call: (208) [system] (:)=(;)
^  Call: (208) [user] is_like_space(:)
   Call: (209) [system] char_type(:, 'white')
   Call: (209) [system] char_type(:, end_of_line)
   Call: (209) [system] char_type(:, space)
   Call: (209) [system] char_type(:, cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1401012)
   Exit: (207) [system] peek_char((0x56051b6b4f40), :)
   Call: (207) [system] (:)=')'
   Call: (207) [system] (:)=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1404726)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1406584)
   Exit: (209) [system] peek_char((0x56051b6b4f40), :)
   Call: (209) [system] (:)=(;)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1415052)
   Exit: (208) [system] get_char((0x56051b6b4f40), :)
   Call: (208) [system] (:)='('
   Call: (208) [system] (:)='['
   Call: (208) [system] (:)='{'
   Call: (208) [system] (:)='"'
   Call: (208) [system] (:)=!
   Call: (208) [system] (:)='\''
   Call: (208) [system] (:)='`'
   Call: (208) [system] (:)=end_of_file
^  Call: (208) [user] read_symbolic(')', (0x56051b6b4f40), :, _1404726)
^  Call: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1425270)
   Call: (210) [system] peek_char((0x56051b6b4f40), _1426204)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] is_delimiter(' ')
   Call: (211) [system] char_type(' ', space)
   Exit: (211) [system] char_type(' ', space)
^  Exit: (210) [user] is_delimiter(' ')
   Call: (210) [system] _1425270=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (209) [user] classify_and_convert_charseq(:, [], _1404726)
^  Call: (211) [system] setup_call_cleanup('$notrace'(_1435514, _1435516), once(user:catch(read_from_chars([:], _1404726), _1435490, fail)), '$restore_trace'(_1435514, _1435516))
^  Call: (212) [system] sig_atomic(system:'$notrace'(_1435514, _1435516))
^  Exit: (211) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1435490, fail)), system:'$restore_trace'(3, -1))
   Call: (210) [system] atomic(:)
   Exit: (210) [system] atomic(:)
^  Exit: (209) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (208) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _1443014)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1444872)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1451682)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1454386)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1463778)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _1467492)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1469350)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _1477818)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1467492)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1483388)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'=(;)
^  Call: (211) [user] is_like_space('D')
   Call: (212) [system] char_type('D', 'white')
   Call: (212) [system] char_type('D', end_of_line)
   Call: (212) [system] char_type('D', space)
   Call: (212) [system] char_type('D', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1491856)
   Exit: (210) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (210) [system] 'D'=')'
   Call: (210) [system] 'D'=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1495570)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1497428)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1505896)
   Exit: (211) [system] get_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'='('
   Call: (211) [system] 'D'='['
   Call: (211) [system] 'D'='{'
   Call: (211) [system] 'D'='"'
   Call: (211) [system] 'D'=!
   Call: (211) [system] 'D'='\''
   Call: (211) [system] 'D'='`'
   Call: (211) [system] 'D'=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1495570)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1516114)
   Call: (213) [system] peek_char((0x56051b6b4f40), _1517048)
   Exit: (213) [system] peek_char((0x56051b6b4f40), i)
^  Call: (213) [user] is_delimiter(i)
   Call: (214) [system] char_type(i, space)
   Call: (214) [system] arg(_1520840, v('(', ')', end_of_file), i)
   Call: (213) [system] ')'==i
   Call: (213) [system] get_char((0x56051b6b4f40), i)
   Exit: (213) [system] get_char((0x56051b6b4f40), i)
   Call: (213) [system] i=(\)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1525410)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1526344)
   Exit: (214) [system] peek_char((0x56051b6b4f40), s)
^  Call: (214) [user] is_delimiter(s)
   Call: (215) [system] char_type(s, space)
   Call: (215) [system] arg(_1530136, v('(', ')', end_of_file), s)
   Call: (214) [system] ')'==s
   Call: (214) [system] get_char((0x56051b6b4f40), s)
   Exit: (214) [system] get_char((0x56051b6b4f40), s)
   Call: (214) [system] s=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1534706)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1535640)
   Exit: (215) [system] peek_char((0x56051b6b4f40), j)
^  Call: (215) [user] is_delimiter(j)
   Call: (216) [system] char_type(j, space)
   Call: (216) [system] arg(_1539432, v('(', ')', end_of_file), j)
   Call: (215) [system] ')'==j
   Call: (215) [system] get_char((0x56051b6b4f40), j)
   Exit: (215) [system] get_char((0x56051b6b4f40), j)
   Call: (215) [system] j=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1544002)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1544936)
   Exit: (216) [system] peek_char((0x56051b6b4f40), u)
^  Call: (216) [user] is_delimiter(u)
   Call: (217) [system] char_type(u, space)
   Call: (217) [system] arg(_1548728, v('(', ')', end_of_file), u)
   Call: (216) [system] ')'==u
   Call: (216) [system] get_char((0x56051b6b4f40), u)
   Exit: (216) [system] get_char((0x56051b6b4f40), u)
   Call: (216) [system] u=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1553298)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1554232)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_1558024, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1562594)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1563528)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_1567320, v('(', ')', end_of_file), c)
   Call: (218) [system] ')'==c
   Call: (218) [system] get_char((0x56051b6b4f40), c)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1571890)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1572824)
   Exit: (219) [system] peek_char((0x56051b6b4f40), t)
^  Call: (219) [user] is_delimiter(t)
   Call: (220) [system] char_type(t, space)
   Call: (220) [system] arg(_1576616, v('(', ')', end_of_file), t)
   Call: (219) [system] ')'==t
   Call: (219) [system] get_char((0x56051b6b4f40), t)
   Exit: (219) [system] get_char((0x56051b6b4f40), t)
   Call: (219) [system] t=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1581186)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1582120)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1585912, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1590482)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1591416)
   Exit: (221) [system] peek_char((0x56051b6b4f40), o)
^  Call: (221) [user] is_delimiter(o)
   Call: (222) [system] char_type(o, space)
   Call: (222) [system] arg(_1595208, v('(', ')', end_of_file), o)
   Call: (221) [system] ')'==o
   Call: (221) [system] get_char((0x56051b6b4f40), o)
   Exit: (221) [system] get_char((0x56051b6b4f40), o)
   Call: (221) [system] o=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1599778)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1600712)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1604504, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1609074)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1610008)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (223) [user] is_delimiter('I')
   Call: (224) [system] char_type('I', space)
   Call: (224) [system] arg(_1613800, v('(', ')', end_of_file), 'I')
   Call: (223) [system] ')'=='I'
   Call: (223) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (223) [system] get_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1618370)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1619304)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1623096, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1627666)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1628600)
   Exit: (225) [system] peek_char((0x56051b6b4f40), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1632392, v('(', ')', end_of_file), t)
   Call: (225) [system] ')'==t
   Call: (225) [system] get_char((0x56051b6b4f40), t)
   Exit: (225) [system] get_char((0x56051b6b4f40), t)
   Call: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1636962)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1637896)
   Exit: (226) [system] peek_char((0x56051b6b4f40), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1641688, v('(', ')', end_of_file), r)
   Call: (226) [system] ')'==r
   Call: (226) [system] get_char((0x56051b6b4f40), r)
   Exit: (226) [system] get_char((0x56051b6b4f40), r)
   Call: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1646258)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1647192)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1650984, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1655554)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1656488)
   Exit: (228) [system] peek_char((0x56051b6b4f40), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_1660280, v('(', ')', end_of_file), d)
   Call: (228) [system] ')'==d
   Call: (228) [system] get_char((0x56051b6b4f40), d)
   Exit: (228) [system] get_char((0x56051b6b4f40), d)
   Call: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1664850)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1665784)
   Exit: (229) [system] peek_char((0x56051b6b4f40), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_1669576, v('(', ')', end_of_file), u)
   Call: (229) [system] ')'==u
   Call: (229) [system] get_char((0x56051b6b4f40), u)
   Exit: (229) [system] get_char((0x56051b6b4f40), u)
   Call: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1674146)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1675080)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1678872, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1683442)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1684376)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1688168, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1692738)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1693672)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1697464, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1702034)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1702968)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1706760, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1711330)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1712264)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1716056, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1720626)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1721560)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1720626=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _1711330=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (233) [system] _1702034=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (232) [system] _1692738=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (231) [system] _1683442=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (230) [system] _1674146=[c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (229) [system] _1664850=[u, c, t, i, o, n]
   Exit: (229) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (228) [system] _1655554=[d, u, c, t, i, o, n]
   Exit: (228) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (227) [system] _1646258=[o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (226) [system] _1636962=[r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1627666=[t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1618370=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1609074=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1599778=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1590482=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1581186=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1571890=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1562594=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1553298=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1544002=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1534706=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _1525410=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (213) [system] _1516114=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (213) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (212) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1495570)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_1792338, _1792340), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1495570), _1792314, fail)), '$restore_trace'(_1792338, _1792340))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_1792338, _1792340))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1495570), _1792314, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(_1495570)
   Call: (213) [system] atom_chars(_1495570, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (213) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (212) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1800790)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1802648)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1809458)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1812162)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1821554)
   Exit: (211) [system] peek_char((0x56051b6b4f40), a)
   Call: (211) [system] a=')'
   Call: (211) [system] a=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1825268)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1827126)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=(;)
^  Call: (213) [user] is_like_space(a)
   Call: (214) [system] char_type(a, 'white')
   Call: (214) [system] char_type(a, end_of_line)
   Call: (214) [system] char_type(a, space)
   Call: (214) [system] char_type(a, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1835594)
   Exit: (212) [system] get_char((0x56051b6b4f40), a)
   Call: (212) [system] a='('
   Call: (212) [system] a='['
   Call: (212) [system] a='{'
   Call: (212) [system] a='"'
   Call: (212) [system] a=!
   Call: (212) [system] a='\''
   Call: (212) [system] a='`'
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), a, _1825268)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1845812)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1846746)
   Exit: (214) [system] peek_char((0x56051b6b4f40), b)
^  Call: (214) [user] is_delimiter(b)
   Call: (215) [system] char_type(b, space)
   Call: (215) [system] arg(_1850538, v('(', ')', end_of_file), b)
   Call: (214) [system] ')'==b
   Call: (214) [system] get_char((0x56051b6b4f40), b)
   Exit: (214) [system] get_char((0x56051b6b4f40), b)
   Call: (214) [system] b=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1855108)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1856042)
   Exit: (215) [system] peek_char((0x56051b6b4f40), c)
^  Call: (215) [user] is_delimiter(c)
   Call: (216) [system] char_type(c, space)
   Call: (216) [system] arg(_1859834, v('(', ')', end_of_file), c)
   Call: (215) [system] ')'==c
   Call: (215) [system] get_char((0x56051b6b4f40), c)
   Exit: (215) [system] get_char((0x56051b6b4f40), c)
   Call: (215) [system] c=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1864404)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1865338)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _1864404=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1855108=[c]
   Exit: (215) [system] [c]=[c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (214) [system] _1845812=[b, c]
   Exit: (214) [system] [b, c]=[b, c]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (213) [user] classify_and_convert_charseq(a, [b, c], _1825268)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1880236, _1880238), once(user:catch(read_from_chars([a, b, c], _1825268), _1880212, fail)), '$restore_trace'(_1880236, _1880238))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1880236, _1880238))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1880212, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(abc)
   Exit: (214) [system] atomic(abc)
^  Exit: (213) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1887736)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1889594)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1896404)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1899108)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1908500)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1912214)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1914072)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1922540)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1912214)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1928110)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1936578)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1940292)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1942150)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1950618)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1940292)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1960836)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1961770)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1965562, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1970132)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1971066)
   Exit: (218) [system] peek_char((0x56051b6b4f40), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_1974858, v('(', ')', end_of_file), s)
   Call: (218) [system] ')'==s
   Call: (218) [system] get_char((0x56051b6b4f40), s)
   Exit: (218) [system] get_char((0x56051b6b4f40), s)
   Call: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1979428)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1980362)
   Exit: (219) [system] peek_char((0x56051b6b4f40), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_1984154, v('(', ')', end_of_file), j)
   Call: (219) [system] ')'==j
   Call: (219) [system] get_char((0x56051b6b4f40), j)
   Exit: (219) [system] get_char((0x56051b6b4f40), j)
   Call: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1988724)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1989658)
   Exit: (220) [system] peek_char((0x56051b6b4f40), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_1993450, v('(', ')', end_of_file), u)
   Call: (220) [system] ')'==u
   Call: (220) [system] get_char((0x56051b6b4f40), u)
   Exit: (220) [system] get_char((0x56051b6b4f40), u)
   Call: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1998020)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1998954)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_2002746, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2007316)
   Call: (222) [system] peek_char((0x56051b6b4f40), _2008250)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_2012042, v('(', ')', end_of_file), c)
   Call: (222) [system] ')'==c
   Call: (222) [system] get_char((0x56051b6b4f40), c)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2016612)
   Call: (223) [system] peek_char((0x56051b6b4f40), _2017546)
   Exit: (223) [system] peek_char((0x56051b6b4f40), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_2021338, v('(', ')', end_of_file), t)
   Call: (223) [system] ')'==t
   Call: (223) [system] get_char((0x56051b6b4f40), t)
   Exit: (223) [system] get_char((0x56051b6b4f40), t)
   Call: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2025908)
   Call: (224) [system] peek_char((0x56051b6b4f40), _2026842)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_2030634, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2035204)
   Call: (225) [system] peek_char((0x56051b6b4f40), _2036138)
   Exit: (225) [system] peek_char((0x56051b6b4f40), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_2039930, v('(', ')', end_of_file), o)
   Call: (225) [system] ')'==o
   Call: (225) [system] get_char((0x56051b6b4f40), o)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2044500)
   Call: (226) [system] peek_char((0x56051b6b4f40), _2045434)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_2049226, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2053796)
   Call: (227) [system] peek_char((0x56051b6b4f40), _2054730)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_2058522, v('(', ')', end_of_file), 'I')
   Call: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2063092)
   Call: (228) [system] peek_char((0x56051b6b4f40), _2064026)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_2067818, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2072388)
   Call: (229) [system] peek_char((0x56051b6b4f40), _2073322)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_2077114, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2081684)
   Call: (230) [system] peek_char((0x56051b6b4f40), _2082618)
   Exit: (230) [system] peek_char((0x56051b6b4f40), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_2086410, v('(', ')', end_of_file), r)
   Call: (230) [system] ')'==r
   Call: (230) [system] get_char((0x56051b6b4f40), r)
   Exit: (230) [system] get_char((0x56051b6b4f40), r)
   Call: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2090980)
   Call: (231) [system] peek_char((0x56051b6b4f40), _2091914)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_2095706, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _9024)
   Call: (232) [system] peek_char((0x56051b6b4f40), _9958)
   Exit: (232) [system] peek_char((0x56051b6b4f40), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_13750, v('(', ')', end_of_file), d)
   Call: (232) [system] ')'==d
   Call: (232) [system] get_char((0x56051b6b4f40), d)
   Exit: (232) [system] get_char((0x56051b6b4f40), d)
   Call: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _18320)
   Call: (233) [system] peek_char((0x56051b6b4f40), _19254)
   Exit: (233) [system] peek_char((0x56051b6b4f40), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_23046, v('(', ')', end_of_file), u)
   Call: (233) [system] ')'==u
   Call: (233) [system] get_char((0x56051b6b4f40), u)
   Exit: (233) [system] get_char((0x56051b6b4f40), u)
   Call: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _27616)
   Call: (234) [system] peek_char((0x56051b6b4f40), _28550)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_32342, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _36912)
   Call: (235) [system] peek_char((0x56051b6b4f40), _37846)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_41638, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _46208)
   Call: (236) [system] peek_char((0x56051b6b4f40), _47142)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_50934, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _55504)
   Call: (237) [system] peek_char((0x56051b6b4f40), _56438)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_60230, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _64800)
   Call: (238) [system] peek_char((0x56051b6b4f40), _65734)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_69526, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _74096)
   Call: (239) [system] peek_char((0x56051b6b4f40), _75030)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _74096=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _64800=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (237) [system] _55504=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (236) [system] _46208=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (235) [system] _36912=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (234) [system] _27616=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (233) [system] _18320=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (232) [system] _9024=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (231) [system] _5528=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _5524=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5520=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5516=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5512=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5508=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5504=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5500=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5496=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5492=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5488=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5484=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5480=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _5476=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _5472=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5468)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_145808, _145810), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5468), _145784, fail)), '$restore_trace'(_145808, _145810))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_145808, _145810))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5468), _145784, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_5468)
   Call: (217) [system] atom_chars(_5468, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _154260)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _156118)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _162928)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _165632)
   Exit: (217) [system] peek_char((0x56051b6b4f40), c)
   Call: (217) [system] c=(;)
^  Call: (217) [user] is_like_space(c)
   Call: (218) [system] char_type(c, 'white')
   Call: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] char_type(c, space)
   Call: (218) [system] char_type(c, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _175024)
   Exit: (215) [system] peek_char((0x56051b6b4f40), c)
   Call: (215) [system] c=')'
   Call: (215) [system] c=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _178738)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _180596)
   Exit: (217) [system] peek_char((0x56051b6b4f40), c)
   Call: (217) [system] c=(;)
^  Call: (217) [user] is_like_space(c)
   Call: (218) [system] char_type(c, 'white')
   Call: (218) [system] char_type(c, end_of_line)
   Call: (218) [system] char_type(c, space)
   Call: (218) [system] char_type(c, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _189064)
   Exit: (216) [system] get_char((0x56051b6b4f40), c)
   Call: (216) [system] c='('
   Call: (216) [system] c='['
   Call: (216) [system] c='{'
   Call: (216) [system] c='"'
   Call: (216) [system] c=!
   Call: (216) [system] c='\''
   Call: (216) [system] c='`'
   Call: (216) [system] c=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), c, _178738)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _199282)
   Call: (218) [system] peek_char((0x56051b6b4f40), _200216)
   Exit: (218) [system] peek_char((0x56051b6b4f40), d)
^  Call: (218) [user] is_delimiter(d)
   Call: (219) [system] char_type(d, space)
   Call: (219) [system] arg(_204008, v('(', ')', end_of_file), d)
   Call: (218) [system] ')'==d
   Call: (218) [system] get_char((0x56051b6b4f40), d)
   Exit: (218) [system] get_char((0x56051b6b4f40), d)
   Call: (218) [system] d=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _208578)
   Call: (219) [system] peek_char((0x56051b6b4f40), _209512)
   Exit: (219) [system] peek_char((0x56051b6b4f40), e)
^  Call: (219) [user] is_delimiter(e)
   Call: (220) [system] char_type(e, space)
   Call: (220) [system] arg(_213304, v('(', ')', end_of_file), e)
   Call: (219) [system] ')'==e
   Call: (219) [system] get_char((0x56051b6b4f40), e)
   Exit: (219) [system] get_char((0x56051b6b4f40), e)
   Call: (219) [system] e=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _217874)
   Call: (220) [system] peek_char((0x56051b6b4f40), _218808)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _217874=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _208578=[e]
   Exit: (219) [system] [e]=[e]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (218) [system] _199282=[d, e]
   Exit: (218) [system] [d, e]=[d, e]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (217) [user] classify_and_convert_charseq(c, [d, e], _178738)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_233706, _233708), once(user:catch(read_from_chars([c, d, e], _178738), _233682, fail)), '$restore_trace'(_233706, _233708))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_233706, _233708))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _233682, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(cde)
   Exit: (218) [system] atomic(cde)
^  Exit: (217) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _241206)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _243064)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _249874)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _252578)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _261970)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _265684)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _267542)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _276010)
   Exit: (217) [system] get_char((0x56051b6b4f40), a)
   Call: (217) [system] a='('
   Call: (217) [system] a='['
   Call: (217) [system] a='{'
   Call: (217) [system] a='"'
   Call: (217) [system] a=!
   Call: (217) [system] a='\''
   Call: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), a, _265684)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _286228)
   Call: (219) [system] peek_char((0x56051b6b4f40), _287162)
   Exit: (219) [system] peek_char((0x56051b6b4f40), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_290954, v('(', ')', end_of_file), b)
   Call: (219) [system] ')'==b
   Call: (219) [system] get_char((0x56051b6b4f40), b)
   Exit: (219) [system] get_char((0x56051b6b4f40), b)
   Call: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _295524)
   Call: (220) [system] peek_char((0x56051b6b4f40), _296458)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_300250, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _304820)
   Call: (221) [system] peek_char((0x56051b6b4f40), _305754)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_309546, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _304820=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _295524=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (219) [system] _286228=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (218) [user] classify_and_convert_charseq(a, [b, c], _265684)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_321596, _321598), once(user:catch(read_from_chars([a, b, c], _265684), _321572, fail)), '$restore_trace'(_321596, _321598))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_321596, _321598))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _321572, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _329096)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _330954)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _339422)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _343212)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _329096=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _241206=[abc]
   Exit: (216) [system] [abc]=[abc]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (215) [system] _154260=[cde, abc]
   Exit: (215) [system] [cde, abc]=[cde, abc]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [cde, abc])
   Call: (214) [system] _5462=['DisjunctionIntroduction', cde, abc]
   Exit: (214) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, abc])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, abc])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _357094)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _358952)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _367420)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _371210)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _357094=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _5458=[['DisjunctionIntroduction', cde, abc]]
   Exit: (212) [system] [['DisjunctionIntroduction', cde, abc]]=[['DisjunctionIntroduction', cde, abc]]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', cde, abc]])
   Call: (211) [system] _5452=[abc, ['DisjunctionIntroduction', cde, abc]]
   Exit: (211) [system] [abc, ['DisjunctionIntroduction', cde, abc]]=[abc, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', cde, abc]])
   Call: (210) [system] _5444=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]
   Exit: (210) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _385092)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _386950)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _393760)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _396464)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _405856)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _409570)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _411428)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _419896)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _409570)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _425466)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'=(;)
^  Call: (212) [user] is_like_space('O')
   Call: (213) [system] char_type('O', 'white')
   Call: (213) [system] char_type('O', end_of_line)
   Call: (213) [system] char_type('O', space)
   Call: (213) [system] char_type('O', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _433934)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (211) [system] 'O'=')'
   Call: (211) [system] 'O'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _437648)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _439506)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _447974)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'='('
   Call: (212) [system] 'O'='['
   Call: (212) [system] 'O'='{'
   Call: (212) [system] 'O'='"'
   Call: (212) [system] 'O'=!
   Call: (212) [system] 'O'='\''
   Call: (212) [system] 'O'='`'
   Call: (212) [system] 'O'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _437648)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _458192)
   Call: (214) [system] peek_char((0x56051b6b4f40), _459126)
   Exit: (214) [system] peek_char((0x56051b6b4f40), r)
^  Call: (214) [user] is_delimiter(r)
   Call: (215) [system] char_type(r, space)
   Call: (215) [system] arg(_462918, v('(', ')', end_of_file), r)
   Call: (214) [system] ')'==r
   Call: (214) [system] get_char((0x56051b6b4f40), r)
   Exit: (214) [system] get_char((0x56051b6b4f40), r)
   Call: (214) [system] r=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _467488)
   Call: (215) [system] peek_char((0x56051b6b4f40), _468422)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (215) [user] is_delimiter('L')
   Call: (216) [system] char_type('L', space)
   Call: (216) [system] arg(_472214, v('(', ')', end_of_file), 'L')
   Call: (215) [system] ')'=='L'
   Call: (215) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (215) [system] get_char((0x56051b6b4f40), 'L')
   Call: (215) [system] 'L'=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _476784)
   Call: (216) [system] peek_char((0x56051b6b4f40), _477718)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_481510, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _486080)
   Call: (217) [system] peek_char((0x56051b6b4f40), _487014)
   Exit: (217) [system] peek_char((0x56051b6b4f40), n)
^  Call: (217) [user] is_delimiter(n)
   Call: (218) [system] char_type(n, space)
   Call: (218) [system] arg(_490806, v('(', ')', end_of_file), n)
   Call: (217) [system] ')'==n
   Call: (217) [system] get_char((0x56051b6b4f40), n)
   Exit: (217) [system] get_char((0x56051b6b4f40), n)
   Call: (217) [system] n=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _495376)
   Call: (218) [system] peek_char((0x56051b6b4f40), _496310)
   Exit: (218) [system] peek_char((0x56051b6b4f40), k)
^  Call: (218) [user] is_delimiter(k)
   Call: (219) [system] char_type(k, space)
   Call: (219) [system] arg(_500102, v('(', ')', end_of_file), k)
   Call: (218) [system] ')'==k
   Call: (218) [system] get_char((0x56051b6b4f40), k)
   Exit: (218) [system] get_char((0x56051b6b4f40), k)
   Call: (218) [system] k=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _504672)
   Call: (219) [system] peek_char((0x56051b6b4f40), _505606)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _504672=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _495376=[k]
   Exit: (218) [system] [k]=[k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (217) [system] _486080=[n, k]
   Exit: (217) [system] [n, k]=[n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (216) [system] _476784=[i, n, k]
   Exit: (216) [system] [i, n, k]=[i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (215) [system] _467488=['L', i, n, k]
   Exit: (215) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (214) [system] _458192=[r, 'L', i, n, k]
   Exit: (214) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _437648)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_528886, _528888), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _437648), _528862, fail)), '$restore_trace'(_528886, _528888))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_528886, _528888))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _437648), _528862, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_437648)
   Call: (214) [system] atom_chars(_437648, ['O', r, 'L', i, n, k])
   Exit: (214) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (213) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _537338)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _539196)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _546006)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _548710)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _558102)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _561816)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _563674)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _572142)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _561816)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _577712)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (215) [system] 'I'=(;)
^  Call: (215) [user] is_like_space('I')
   Call: (216) [system] char_type('I', 'white')
   Call: (216) [system] char_type('I', end_of_line)
   Call: (216) [system] char_type('I', space)
   Call: (216) [system] char_type('I', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _586180)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (214) [system] 'I'=')'
   Call: (214) [system] 'I'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _589894)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _591752)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'=(;)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _600220)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'I')
   Call: (215) [system] 'I'='('
   Call: (215) [system] 'I'='['
   Call: (215) [system] 'I'='{'
   Call: (215) [system] 'I'='"'
   Call: (215) [system] 'I'=!
   Call: (215) [system] 'I'='\''
   Call: (215) [system] 'I'='`'
   Call: (215) [system] 'I'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _589894)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _610438)
   Call: (217) [system] peek_char((0x56051b6b4f40), _611372)
   Exit: (217) [system] peek_char((0x56051b6b4f40), m)
^  Call: (217) [user] is_delimiter(m)
   Call: (218) [system] char_type(m, space)
   Call: (218) [system] arg(_615164, v('(', ')', end_of_file), m)
   Call: (217) [system] ')'==m
   Call: (217) [system] get_char((0x56051b6b4f40), m)
   Exit: (217) [system] get_char((0x56051b6b4f40), m)
   Call: (217) [system] m=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _619734)
   Call: (218) [system] peek_char((0x56051b6b4f40), _620668)
   Exit: (218) [system] peek_char((0x56051b6b4f40), p)
^  Call: (218) [user] is_delimiter(p)
   Call: (219) [system] char_type(p, space)
   Call: (219) [system] arg(_624460, v('(', ')', end_of_file), p)
   Call: (218) [system] ')'==p
   Call: (218) [system] get_char((0x56051b6b4f40), p)
   Exit: (218) [system] get_char((0x56051b6b4f40), p)
   Call: (218) [system] p=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _629030)
   Call: (219) [system] peek_char((0x56051b6b4f40), _629964)
   Exit: (219) [system] peek_char((0x56051b6b4f40), l)
^  Call: (219) [user] is_delimiter(l)
   Call: (220) [system] char_type(l, space)
   Call: (220) [system] arg(_633756, v('(', ')', end_of_file), l)
   Call: (219) [system] ')'==l
   Call: (219) [system] get_char((0x56051b6b4f40), l)
   Exit: (219) [system] get_char((0x56051b6b4f40), l)
   Call: (219) [system] l=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638326)
   Call: (220) [system] peek_char((0x56051b6b4f40), _639260)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_643052, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _647622)
   Call: (221) [system] peek_char((0x56051b6b4f40), _648556)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_652348, v('(', ')', end_of_file), c)
   Call: (221) [system] ')'==c
   Call: (221) [system] get_char((0x56051b6b4f40), c)
   Exit: (221) [system] get_char((0x56051b6b4f40), c)
   Call: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _656918)
   Call: (222) [system] peek_char((0x56051b6b4f40), _657852)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
^  Call: (222) [user] is_delimiter(a)
   Call: (223) [system] char_type(a, space)
   Call: (223) [system] arg(_661644, v('(', ')', end_of_file), a)
   Call: (222) [system] ')'==a
   Call: (222) [system] get_char((0x56051b6b4f40), a)
   Exit: (222) [system] get_char((0x56051b6b4f40), a)
   Call: (222) [system] a=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666214)
   Call: (223) [system] peek_char((0x56051b6b4f40), _667148)
   Exit: (223) [system] peek_char((0x56051b6b4f40), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_670940, v('(', ')', end_of_file), t)
   Call: (223) [system] ')'==t
   Call: (223) [system] get_char((0x56051b6b4f40), t)
   Exit: (223) [system] get_char((0x56051b6b4f40), t)
   Call: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _675510)
   Call: (224) [system] peek_char((0x56051b6b4f40), _676444)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_680236, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _684806)
   Call: (225) [system] peek_char((0x56051b6b4f40), _685740)
   Exit: (225) [system] peek_char((0x56051b6b4f40), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_689532, v('(', ')', end_of_file), o)
   Call: (225) [system] ')'==o
   Call: (225) [system] get_char((0x56051b6b4f40), o)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _694102)
   Call: (226) [system] peek_char((0x56051b6b4f40), _695036)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_698828, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _703398)
   Call: (227) [system] peek_char((0x56051b6b4f40), _704332)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _703398=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _694102=[n]
   Exit: (226) [system] [n]=[n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (225) [system] _684806=[o, n]
   Exit: (225) [system] [o, n]=[o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (224) [system] _675510=[i, o, n]
   Exit: (224) [system] [i, o, n]=[i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (223) [system] _666214=[t, i, o, n]
   Exit: (223) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (222) [system] _656918=[a, t, i, o, n]
   Exit: (222) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (221) [system] _647622=[c, a, t, i, o, n]
   Exit: (221) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (220) [system] _638326=[i, c, a, t, i, o, n]
   Exit: (220) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (219) [system] _629030=[l, i, c, a, t, i, o, n]
   Exit: (219) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (218) [system] _619734=[p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (217) [system] _610438=[m, p, l, i, c, a, t, i, o, n]
   Exit: (217) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _589894)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_741582, _741584), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _589894), _741558, fail)), '$restore_trace'(_741582, _741584))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_741582, _741584))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _589894), _741558, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_589894)
   Call: (217) [system] atom_chars(_589894, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (217) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _750034)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _751892)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _758702)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _761406)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _770798)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _774512)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _776370)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _784838)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _774512)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _790408)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=(;)
^  Call: (218) [user] is_like_space('A')
   Call: (219) [system] char_type('A', 'white')
   Call: (219) [system] char_type('A', end_of_line)
   Call: (219) [system] char_type('A', space)
   Call: (219) [system] char_type('A', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _798876)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (217) [system] 'A'=')'
   Call: (217) [system] 'A'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _802590)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _804448)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _812916)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'='('
   Call: (218) [system] 'A'='['
   Call: (218) [system] 'A'='{'
   Call: (218) [system] 'A'='"'
   Call: (218) [system] 'A'=!
   Call: (218) [system] 'A'='\''
   Call: (218) [system] 'A'='`'
   Call: (218) [system] 'A'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _802590)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _823134)
   Call: (220) [system] peek_char((0x56051b6b4f40), _824068)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_827860, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _832430)
   Call: (221) [system] peek_char((0x56051b6b4f40), _833364)
   Exit: (221) [system] peek_char((0x56051b6b4f40), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_837156, v('(', ')', end_of_file), d)
   Call: (221) [system] ')'==d
   Call: (221) [system] get_char((0x56051b6b4f40), d)
   Exit: (221) [system] get_char((0x56051b6b4f40), d)
   Call: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _841726)
   Call: (222) [system] peek_char((0x56051b6b4f40), _842660)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_846452, v('(', ')', end_of_file), 'L')
   Call: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (222) [system] get_char((0x56051b6b4f40), 'L')
   Call: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _851022)
   Call: (223) [system] peek_char((0x56051b6b4f40), _851956)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_855748, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _860318)
   Call: (224) [system] peek_char((0x56051b6b4f40), _861252)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_865044, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _869614)
   Call: (225) [system] peek_char((0x56051b6b4f40), _870548)
   Exit: (225) [system] peek_char((0x56051b6b4f40), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_874340, v('(', ')', end_of_file), k)
   Call: (225) [system] ')'==k
   Call: (225) [system] get_char((0x56051b6b4f40), k)
   Exit: (225) [system] get_char((0x56051b6b4f40), k)
   Call: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _878910)
   Call: (226) [system] peek_char((0x56051b6b4f40), _879844)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _878910=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _869614=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (224) [system] _860318=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (223) [system] _851022=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (222) [system] _841726=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (221) [system] _832430=[d, 'L', i, n, k]
   Exit: (221) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (220) [system] _823134=[n, d, 'L', i, n, k]
   Exit: (220) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _802590)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_905918, _905920), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _802590), _905894, fail)), '$restore_trace'(_905918, _905920))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_905918, _905920))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _802590), _905894, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_802590)
   Call: (220) [system] atom_chars(_802590, ['A', n, d, 'L', i, n, k])
   Exit: (220) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _914370)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _916228)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _923038)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _925742)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _935134)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _938848)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _940706)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _949174)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _938848)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _959392)
   Call: (221) [system] peek_char((0x56051b6b4f40), _960326)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _959392=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (220) [user] classify_and_convert_charseq('A', [], _938848)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_969636, _969638), once(user:catch(read_from_chars(['A'], _938848), _969612, fail)), '$restore_trace'(_969636, _969638))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_969636, _969638))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _938848), _969612, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_938848)
   Call: (221) [system] atom_chars(_938848, ['A'])
   Exit: (221) [system] atom_chars('A', ['A'])
^  Exit: (220) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _978088)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _979946)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _986756)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _989460)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (221) [system] 'B'=(;)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _998852)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (219) [system] 'B'=')'
   Call: (219) [system] 'B'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1002566)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1004424)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (221) [system] 'B'=(;)
^  Call: (221) [user] is_like_space('B')
   Call: (222) [system] char_type('B', 'white')
   Call: (222) [system] char_type('B', end_of_line)
   Call: (222) [system] char_type('B', space)
   Call: (222) [system] char_type('B', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1012892)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'='('
   Call: (220) [system] 'B'='['
   Call: (220) [system] 'B'='{'
   Call: (220) [system] 'B'='"'
   Call: (220) [system] 'B'=!
   Call: (220) [system] 'B'='\''
   Call: (220) [system] 'B'='`'
   Call: (220) [system] 'B'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1002566)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1023110)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1024044)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1027836, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1023110=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq('B', [], _1002566)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1034298, _1034300), once(user:catch(read_from_chars(['B'], _1002566), _1034274, fail)), '$restore_trace'(_1034298, _1034300))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1034298, _1034300))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1002566), _1034274, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1002566)
   Call: (222) [system] atom_chars(_1002566, ['B'])
   Exit: (222) [system] atom_chars('B', ['B'])
^  Exit: (221) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1042750)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1044608)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1053076)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _1056866)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _1042750=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _978088=['B']
   Exit: (219) [system] ['B']=['B']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (218) [system] _914370=['A', 'B']
   Exit: (218) [system] ['A', 'B']=['A', 'B']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (217) [system] _774512=['AndLink', 'A', 'B']
   Exit: (217) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1070748)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1072606)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1079416)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1082120)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (218) [system] 'C'=(;)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1091512)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (216) [system] 'C'=')'
   Call: (216) [system] 'C'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1095226)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1097084)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (218) [system] 'C'=(;)
^  Call: (218) [user] is_like_space('C')
   Call: (219) [system] char_type('C', 'white')
   Call: (219) [system] char_type('C', end_of_line)
   Call: (219) [system] char_type('C', space)
   Call: (219) [system] char_type('C', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1105552)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'C')
   Call: (217) [system] 'C'='('
   Call: (217) [system] 'C'='['
   Call: (217) [system] 'C'='{'
   Call: (217) [system] 'C'='"'
   Call: (217) [system] 'C'=!
   Call: (217) [system] 'C'='\''
   Call: (217) [system] 'C'='`'
   Call: (217) [system] 'C'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1095226)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1115770)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1116704)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (219) [user] is_delimiter(')')
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] arg(_1120496, v('(', ')', end_of_file), ')')
   Exit: (220) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (219) [user] is_delimiter(')')
   Call: (219) [system] _1115770=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq('C', [], _1095226)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1126958, _1126960), once(user:catch(read_from_chars(['C'], _1095226), _1126934, fail)), '$restore_trace'(_1126958, _1126960))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1126958, _1126960))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1095226), _1126934, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_1095226)
   Call: (219) [system] atom_chars(_1095226, ['C'])
   Exit: (219) [system] atom_chars('C', ['C'])
^  Exit: (218) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1135410)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1137268)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1145736)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _1149526)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _1135410=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1070748=['C']
   Exit: (216) [system] ['C']=['C']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (215) [system] _750034=[['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (214) [system] _561816=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (214) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1163408)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1165266)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1172076)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1174780)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1184172)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1187886)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1189744)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1198212)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1187886)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1203782)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1212250)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1215964)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1217822)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1226290)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1215964)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1236508)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1237442)
   Exit: (218) [system] peek_char((0x56051b6b4f40), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_1241234, v('(', ')', end_of_file), r)
   Call: (218) [system] ')'==r
   Call: (218) [system] get_char((0x56051b6b4f40), r)
   Exit: (218) [system] get_char((0x56051b6b4f40), r)
   Call: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1245804)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1246738)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_1250530, v('(', ')', end_of_file), 'L')
   Call: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'L')
   Call: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1255100)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1256034)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1259826, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1264396)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1265330)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1269122, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1273692)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1274626)
   Exit: (222) [system] peek_char((0x56051b6b4f40), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_1278418, v('(', ')', end_of_file), k)
   Call: (222) [system] ')'==k
   Call: (222) [system] get_char((0x56051b6b4f40), k)
   Exit: (222) [system] get_char((0x56051b6b4f40), k)
   Call: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1282988)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1283922)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1282988=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1273692=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (221) [system] _1264396=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (220) [system] _1255100=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (219) [system] _1245804=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (218) [system] _1236508=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1215964)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1307202, _1307204), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1215964), _1307178, fail)), '$restore_trace'(_1307202, _1307204))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1307202, _1307204))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1215964), _1307178, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1215964)
   Call: (218) [system] atom_chars(_1215964, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1315654)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1317512)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1324322)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1327026)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1336418)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1340132)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1341990)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1350458)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1340132)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1356028)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=(;)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1364496)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1368210)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1370068)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1378536)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1368210)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1388754)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1389688)
   Exit: (221) [system] peek_char((0x56051b6b4f40), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_1393480, v('(', ')', end_of_file), m)
   Call: (221) [system] ')'==m
   Call: (221) [system] get_char((0x56051b6b4f40), m)
   Exit: (221) [system] get_char((0x56051b6b4f40), m)
   Call: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1398050)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1398984)
   Exit: (222) [system] peek_char((0x56051b6b4f40), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_1402776, v('(', ')', end_of_file), p)
   Call: (222) [system] ')'==p
   Call: (222) [system] get_char((0x56051b6b4f40), p)
   Exit: (222) [system] get_char((0x56051b6b4f40), p)
   Call: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1407346)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1408280)
   Exit: (223) [system] peek_char((0x56051b6b4f40), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_1412072, v('(', ')', end_of_file), l)
   Call: (223) [system] ')'==l
   Call: (223) [system] get_char((0x56051b6b4f40), l)
   Exit: (223) [system] get_char((0x56051b6b4f40), l)
   Call: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1416642)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1417576)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1421368, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1425938)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1426872)
   Exit: (225) [system] peek_char((0x56051b6b4f40), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1430664, v('(', ')', end_of_file), c)
   Call: (225) [system] ')'==c
   Call: (225) [system] get_char((0x56051b6b4f40), c)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1435234)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1436168)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_1439960, v('(', ')', end_of_file), a)
   Call: (226) [system] ')'==a
   Call: (226) [system] get_char((0x56051b6b4f40), a)
   Exit: (226) [system] get_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1444530)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1445464)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1449256, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1453826)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1454760)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1458552, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1463122)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1464056)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1467848, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1472418)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1473352)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1477144, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1481714)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1482648)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1481714=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1472418=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (229) [system] _1463122=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (228) [system] _1453826=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (227) [system] _1444530=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (226) [system] _1435234=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (225) [system] _1425938=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (224) [system] _1416642=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (223) [system] _1407346=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _1398050=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _1388754=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1368210)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1519898, _1519900), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1368210), _1519874, fail)), '$restore_trace'(_1519898, _1519900))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1519898, _1519900))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1368210), _1519874, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1368210)
   Call: (221) [system] atom_chars(_1368210, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1528350)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1530208)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1537018)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1539722)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1549114)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1552828)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1554686)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1563154)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1552828)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1568724)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1577192)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1580906)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1582764)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1591232)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1580906)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1601450)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1602384)
   Exit: (224) [system] peek_char((0x56051b6b4f40), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1606176, v('(', ')', end_of_file), r)
   Call: (224) [system] ')'==r
   Call: (224) [system] get_char((0x56051b6b4f40), r)
   Exit: (224) [system] get_char((0x56051b6b4f40), r)
   Call: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1610746)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1611680)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_1615472, v('(', ')', end_of_file), 'L')
   Call: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (225) [system] get_char((0x56051b6b4f40), 'L')
   Call: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1620042)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1620976)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1624768, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1629338)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1630272)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1634064, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1638634)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1639568)
   Exit: (228) [system] peek_char((0x56051b6b4f40), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_1643360, v('(', ')', end_of_file), k)
   Call: (228) [system] ')'==k
   Call: (228) [system] get_char((0x56051b6b4f40), k)
   Exit: (228) [system] get_char((0x56051b6b4f40), k)
   Call: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1647930)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1648864)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1647930=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1638634=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (227) [system] _1629338=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (226) [system] _1620042=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (225) [system] _1610746=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (224) [system] _1601450=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1580906)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1672144, _1672146), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1580906), _1672120, fail)), '$restore_trace'(_1672144, _1672146))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1672144, _1672146))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1580906), _1672120, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1580906)
   Call: (224) [system] atom_chars(_1580906, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1680596)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1682454)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1689264)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1691968)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1701360)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1705074)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1706932)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1715400)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1705074)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1725618)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1726552)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1725618=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('C', [], _1705074)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1735862, _1735864), once(user:catch(read_from_chars(['C'], _1705074), _1735838, fail)), '$restore_trace'(_1735862, _1735864))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1735862, _1735864))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1705074), _1735838, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1705074)
   Call: (225) [system] atom_chars(_1705074, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1744314)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1746172)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1752982)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1755686)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'=(;)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1765078)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1768792)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1770650)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'=(;)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1779118)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1768792)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1789336)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1790270)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1794062, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1789336=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('D', [], _1768792)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1800524, _1800526), once(user:catch(read_from_chars(['D'], _1768792), _1800500, fail)), '$restore_trace'(_1800524, _1800526))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1800524, _1800526))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1768792), _1800500, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1768792)
   Call: (226) [system] atom_chars(_1768792, ['D'])
   Exit: (226) [system] atom_chars('D', ['D'])
^  Exit: (225) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1808976)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1810834)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1819302)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _1823092)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _1808976=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1744314=['D']
   Exit: (223) [system] ['D']=['D']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (222) [system] _1680596=['C', 'D']
   Exit: (222) [system] ['C', 'D']=['C', 'D']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (221) [system] _1552828=['OrLink', 'C', 'D']
   Exit: (221) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1836974)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1838832)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1845642)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1848346)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (222) [system] 'E'=(;)
^  Call: (222) [user] is_like_space('E')
   Call: (223) [system] char_type('E', 'white')
   Call: (223) [system] char_type('E', end_of_line)
   Call: (223) [system] char_type('E', space)
   Call: (223) [system] char_type('E', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1857738)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (220) [system] 'E'=')'
   Call: (220) [system] 'E'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1861452)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1863310)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (222) [system] 'E'=(;)
^  Call: (222) [user] is_like_space('E')
   Call: (223) [system] char_type('E', 'white')
   Call: (223) [system] char_type('E', end_of_line)
   Call: (223) [system] char_type('E', space)
   Call: (223) [system] char_type('E', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1871778)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'E')
   Call: (221) [system] 'E'='('
   Call: (221) [system] 'E'='['
   Call: (221) [system] 'E'='{'
   Call: (221) [system] 'E'='"'
   Call: (221) [system] 'E'=!
   Call: (221) [system] 'E'='\''
   Call: (221) [system] 'E'='`'
   Call: (221) [system] 'E'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1861452)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1881996)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1882930)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1886722, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1881996=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('E', [], _1861452)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1893184, _1893186), once(user:catch(read_from_chars(['E'], _1861452), _1893160, fail)), '$restore_trace'(_1893184, _1893186))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1893184, _1893186))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1861452), _1893160, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1861452)
   Call: (223) [system] atom_chars(_1861452, ['E'])
   Exit: (223) [system] atom_chars('E', ['E'])
^  Exit: (222) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1901636)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1903494)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1911962)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _1915752)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _1901636=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1836974=['E']
   Exit: (220) [system] ['E']=['E']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (219) [system] _1528350=[['OrLink', 'C', 'D'], 'E']
   Exit: (219) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (218) [system] _1340132=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (218) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1929634)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1931492)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1938302)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1941006)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1950398)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1954112)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1955970)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1964438)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1954112)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1970008)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1978476)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1982190)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1984048)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1992516)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1982190)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2002734)
   Call: (222) [system] peek_char((0x56051b6b4f40), _2003668)
   Exit: (222) [system] peek_char((0x56051b6b4f40), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_2007460, v('(', ')', end_of_file), m)
   Call: (222) [system] ')'==m
   Call: (222) [system] get_char((0x56051b6b4f40), m)
   Exit: (222) [system] get_char((0x56051b6b4f40), m)
   Call: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2012030)
   Call: (223) [system] peek_char((0x56051b6b4f40), _2012964)
   Exit: (223) [system] peek_char((0x56051b6b4f40), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_2016756, v('(', ')', end_of_file), p)
   Call: (223) [system] ')'==p
   Call: (223) [system] get_char((0x56051b6b4f40), p)
   Exit: (223) [system] get_char((0x56051b6b4f40), p)
   Call: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2021326)
   Call: (224) [system] peek_char((0x56051b6b4f40), _2022260)
   Exit: (224) [system] peek_char((0x56051b6b4f40), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_2026052, v('(', ')', end_of_file), l)
   Call: (224) [system] ')'==l
   Call: (224) [system] get_char((0x56051b6b4f40), l)
   Exit: (224) [system] get_char((0x56051b6b4f40), l)
   Call: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2030622)
   Call: (225) [system] peek_char((0x56051b6b4f40), _2031556)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_2035348, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2039918)
   Call: (226) [system] peek_char((0x56051b6b4f40), _2040852)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_2044644, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2049214)
   Call: (227) [system] peek_char((0x56051b6b4f40), _2050148)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_2053940, v('(', ')', end_of_file), a)
   Call: (227) [system] ')'==a
   Call: (227) [system] get_char((0x56051b6b4f40), a)
   Exit: (227) [system] get_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2058510)
   Call: (228) [system] peek_char((0x56051b6b4f40), _2059444)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_2063236, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2067806)
   Call: (229) [system] peek_char((0x56051b6b4f40), _2068740)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_2072532, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2077102)
   Call: (230) [system] peek_char((0x56051b6b4f40), _2078036)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_2081828, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2086398)
   Call: (231) [system] peek_char((0x56051b6b4f40), _2087332)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_2091124, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2095694)
   Call: (232) [system] peek_char((0x56051b6b4f40), _5648)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _5644=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _5640=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (230) [system] _5636=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (229) [system] _5632=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (228) [system] _5628=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (227) [system] _5624=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (226) [system] _5620=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (225) [system] _5616=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (224) [system] _5612=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _5608=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _5604=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _5600)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_42716, _42718), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _5600), _42692, fail)), '$restore_trace'(_42716, _42718))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_42716, _42718))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _5600), _42692, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_5600)
   Call: (222) [system] atom_chars(_5600, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _51168)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _53026)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _59836)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _62540)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _71932)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _75646)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _77504)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _85972)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _75646)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _91542)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _100010)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _103724)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _105582)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _114050)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _103724)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _124268)
   Call: (225) [system] peek_char((0x56051b6b4f40), _125202)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_128994, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _133564)
   Call: (226) [system] peek_char((0x56051b6b4f40), _134498)
   Exit: (226) [system] peek_char((0x56051b6b4f40), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_138290, v('(', ')', end_of_file), d)
   Call: (226) [system] ')'==d
   Call: (226) [system] get_char((0x56051b6b4f40), d)
   Exit: (226) [system] get_char((0x56051b6b4f40), d)
   Call: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _142860)
   Call: (227) [system] peek_char((0x56051b6b4f40), _143794)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_147586, v('(', ')', end_of_file), 'L')
   Call: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'L')
   Call: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _152156)
   Call: (228) [system] peek_char((0x56051b6b4f40), _153090)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_156882, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _161452)
   Call: (229) [system] peek_char((0x56051b6b4f40), _162386)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_166178, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _170748)
   Call: (230) [system] peek_char((0x56051b6b4f40), _171682)
   Exit: (230) [system] peek_char((0x56051b6b4f40), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_175474, v('(', ')', end_of_file), k)
   Call: (230) [system] ')'==k
   Call: (230) [system] get_char((0x56051b6b4f40), k)
   Exit: (230) [system] get_char((0x56051b6b4f40), k)
   Call: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _180044)
   Call: (231) [system] peek_char((0x56051b6b4f40), _180978)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _180044=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _170748=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (229) [system] _161452=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (228) [system] _152156=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (227) [system] _142860=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (226) [system] _133564=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (225) [system] _124268=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _103724)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_207052, _207054), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _103724), _207028, fail)), '$restore_trace'(_207052, _207054))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_207052, _207054))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _103724), _207028, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_103724)
   Call: (225) [system] atom_chars(_103724, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _215504)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _217362)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _224172)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _226876)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _236268)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _239982)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _241840)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _250308)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _239982)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _260526)
   Call: (226) [system] peek_char((0x56051b6b4f40), _261460)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _260526=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _239982)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_270770, _270772), once(user:catch(read_from_chars(['A'], _239982), _270746, fail)), '$restore_trace'(_270770, _270772))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_270770, _270772))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _239982), _270746, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_239982)
   Call: (226) [system] atom_chars(_239982, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _279222)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _281080)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _287890)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _290594)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _299986)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _303700)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _305558)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _314026)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _303700)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _324244)
   Call: (227) [system] peek_char((0x56051b6b4f40), _325178)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_328970, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _324244=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('B', [], _303700)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_335432, _335434), once(user:catch(read_from_chars(['B'], _303700), _335408, fail)), '$restore_trace'(_335432, _335434))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_335432, _335434))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _303700), _335408, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_303700)
   Call: (227) [system] atom_chars(_303700, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _343884)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _345742)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _354210)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _358000)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _343884=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _279222=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (223) [system] _215504=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (222) [system] _75646=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _371882)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _373740)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _380550)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _383254)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _392646)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _396360)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _398218)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _406686)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _396360)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _416904)
   Call: (224) [system] peek_char((0x56051b6b4f40), _417838)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_421630, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _416904=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq('C', [], _396360)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_428092, _428094), once(user:catch(read_from_chars(['C'], _396360), _428068, fail)), '$restore_trace'(_428092, _428094))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_428092, _428094))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _396360), _428068, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_396360)
   Call: (224) [system] atom_chars(_396360, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _436544)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _438402)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _446870)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _450660)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _436544=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _371882=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (220) [system] _51168=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _5594=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _464542)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _466400)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _474868)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _478658)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _464542=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _5590=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (216) [system] _5548=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (216) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (215) [system] _5540=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (215) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _492540)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _494398)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _502866)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _506656)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _492540=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _5536=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (213) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (212) [system] _5494=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (212) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (211) [system] _5486=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (211) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _520538)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _522396)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=(;)
^  Call: (211) [user] is_like_space(')')
   Call: (212) [system] char_type(')', 'white')
   Call: (212) [system] char_type(')', end_of_line)
   Call: (212) [system] char_type(')', space)
   Call: (212) [system] char_type(')', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _530864)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ')')
   Call: (210) [system] ')'=')'
   Exit: (210) [system] ')'=')'
   Call: (210) [system] get_char((0x56051b6b4f40), _534654)
   Exit: (210) [system] get_char((0x56051b6b4f40), ')')
   Call: (210) [system] _520538=[]
   Exit: (210) [system] []=[]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (209) [system] _5482=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (209) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (208) [system] _5440=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (208) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (207) [system] _5432=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (207) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (206) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (205) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (205) [user] read_list(')', (0x56051b6b4f40), _548536)
^  Call: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _550394)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (207) [system] '\n'=(;)
^  Call: (207) [user] is_like_space('\n')
   Call: (208) [system] char_type('\n', 'white')
   Call: (208) [system] char_type('\n', end_of_line)
   Exit: (208) [system] char_type('\n', end_of_line)
^  Exit: (207) [user] is_like_space('\n')
   Call: (207) [system] get_char((0x56051b6b4f40), _558010)
   Exit: (207) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _560714)
   Exit: (208) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (208) [system] ' '=(;)
^  Call: (208) [user] is_like_space(' ')
   Call: (209) [system] char_type(' ', 'white')
   Exit: (209) [system] char_type(' ', 'white')
^  Exit: (208) [user] is_like_space(' ')
   Call: (208) [system] get_char((0x56051b6b4f40), _567524)
   Exit: (208) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _570228)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (206) [user] skip_spaces((0x56051b6b4f40))
   Call: (206) [system] peek_char((0x56051b6b4f40), _580544)
   Exit: (206) [system] peek_char((0x56051b6b4f40), '(')
   Call: (206) [system] '('=')'
   Call: (206) [system] '('=end_of_file
^  Call: (206) [user] cont_sexpr(')', (0x56051b6b4f40), _584258)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _586116)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=(;)
^  Call: (208) [user] is_like_space('(')
   Call: (209) [system] char_type('(', 'white')
   Call: (209) [system] char_type('(', end_of_line)
   Call: (209) [system] char_type('(', space)
   Call: (209) [system] char_type('(', cntrl)
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] get_char((0x56051b6b4f40), _594584)
   Exit: (207) [system] get_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('='('
   Exit: (207) [system] '('='('
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _584258)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _600154)
   Exit: (209) [system] peek_char((0x56051b6b4f40), :)
   Call: (209) [system] (:)=(;)
^  Call: (209) [user] is_like_space(:)
   Call: (210) [system] char_type(:, 'white')
   Call: (210) [system] char_type(:, end_of_line)
   Call: (210) [system] char_type(:, space)
   Call: (210) [system] char_type(:, cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _608622)
   Exit: (208) [system] peek_char((0x56051b6b4f40), :)
   Call: (208) [system] (:)=')'
   Call: (208) [system] (:)=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _612336)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _614194)
   Exit: (210) [system] peek_char((0x56051b6b4f40), :)
   Call: (210) [system] (:)=(;)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _622662)
   Exit: (209) [system] get_char((0x56051b6b4f40), :)
   Call: (209) [system] (:)='('
   Call: (209) [system] (:)='['
   Call: (209) [system] (:)='{'
   Call: (209) [system] (:)='"'
   Call: (209) [system] (:)=!
   Call: (209) [system] (:)='\''
   Call: (209) [system] (:)='`'
   Call: (209) [system] (:)=end_of_file
^  Call: (209) [user] read_symbolic(')', (0x56051b6b4f40), :, _612336)
^  Call: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), _632880)
   Call: (211) [system] peek_char((0x56051b6b4f40), _633814)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] is_delimiter(' ')
   Call: (212) [system] char_type(' ', space)
   Exit: (212) [system] char_type(' ', space)
^  Exit: (211) [user] is_delimiter(' ')
   Call: (211) [system] _632880=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (210) [user] classify_and_convert_charseq(:, [], _612336)
^  Call: (212) [system] setup_call_cleanup('$notrace'(_643124, _643126), once(user:catch(read_from_chars([:], _612336), _643100, fail)), '$restore_trace'(_643124, _643126))
^  Call: (213) [system] sig_atomic(system:'$notrace'(_643124, _643126))
^  Exit: (212) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _643100, fail)), system:'$restore_trace'(3, -1))
   Call: (211) [system] atomic(:)
   Exit: (211) [system] atomic(:)
^  Exit: (210) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (209) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _650624)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _652482)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _659292)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _661996)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _671388)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _675102)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _676960)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _685428)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _675102)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _690998)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'=(;)
^  Call: (212) [user] is_like_space('D')
   Call: (213) [system] char_type('D', 'white')
   Call: (213) [system] char_type('D', end_of_line)
   Call: (213) [system] char_type('D', space)
   Call: (213) [system] char_type('D', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _699466)
   Exit: (211) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (211) [system] 'D'=')'
   Call: (211) [system] 'D'=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _703180)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _705038)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _713506)
   Exit: (212) [system] get_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'='('
   Call: (212) [system] 'D'='['
   Call: (212) [system] 'D'='{'
   Call: (212) [system] 'D'='"'
   Call: (212) [system] 'D'=!
   Call: (212) [system] 'D'='\''
   Call: (212) [system] 'D'='`'
   Call: (212) [system] 'D'=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _703180)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _723724)
   Call: (214) [system] peek_char((0x56051b6b4f40), _724658)
   Exit: (214) [system] peek_char((0x56051b6b4f40), i)
^  Call: (214) [user] is_delimiter(i)
   Call: (215) [system] char_type(i, space)
   Call: (215) [system] arg(_728450, v('(', ')', end_of_file), i)
   Call: (214) [system] ')'==i
   Call: (214) [system] get_char((0x56051b6b4f40), i)
   Exit: (214) [system] get_char((0x56051b6b4f40), i)
   Call: (214) [system] i=(\)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _733020)
   Call: (215) [system] peek_char((0x56051b6b4f40), _733954)
   Exit: (215) [system] peek_char((0x56051b6b4f40), s)
^  Call: (215) [user] is_delimiter(s)
   Call: (216) [system] char_type(s, space)
   Call: (216) [system] arg(_737746, v('(', ')', end_of_file), s)
   Call: (215) [system] ')'==s
   Call: (215) [system] get_char((0x56051b6b4f40), s)
   Exit: (215) [system] get_char((0x56051b6b4f40), s)
   Call: (215) [system] s=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _742316)
   Call: (216) [system] peek_char((0x56051b6b4f40), _743250)
   Exit: (216) [system] peek_char((0x56051b6b4f40), j)
^  Call: (216) [user] is_delimiter(j)
   Call: (217) [system] char_type(j, space)
   Call: (217) [system] arg(_747042, v('(', ')', end_of_file), j)
   Call: (216) [system] ')'==j
   Call: (216) [system] get_char((0x56051b6b4f40), j)
   Exit: (216) [system] get_char((0x56051b6b4f40), j)
   Call: (216) [system] j=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _751612)
   Call: (217) [system] peek_char((0x56051b6b4f40), _752546)
   Exit: (217) [system] peek_char((0x56051b6b4f40), u)
^  Call: (217) [user] is_delimiter(u)
   Call: (218) [system] char_type(u, space)
   Call: (218) [system] arg(_756338, v('(', ')', end_of_file), u)
   Call: (217) [system] ')'==u
   Call: (217) [system] get_char((0x56051b6b4f40), u)
   Exit: (217) [system] get_char((0x56051b6b4f40), u)
   Call: (217) [system] u=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _760908)
   Call: (218) [system] peek_char((0x56051b6b4f40), _761842)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_765634, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _770204)
   Call: (219) [system] peek_char((0x56051b6b4f40), _771138)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_774930, v('(', ')', end_of_file), c)
   Call: (219) [system] ')'==c
   Call: (219) [system] get_char((0x56051b6b4f40), c)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _779500)
   Call: (220) [system] peek_char((0x56051b6b4f40), _780434)
   Exit: (220) [system] peek_char((0x56051b6b4f40), t)
^  Call: (220) [user] is_delimiter(t)
   Call: (221) [system] char_type(t, space)
   Call: (221) [system] arg(_784226, v('(', ')', end_of_file), t)
   Call: (220) [system] ')'==t
   Call: (220) [system] get_char((0x56051b6b4f40), t)
   Exit: (220) [system] get_char((0x56051b6b4f40), t)
   Call: (220) [system] t=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _788796)
   Call: (221) [system] peek_char((0x56051b6b4f40), _789730)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_793522, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _798092)
   Call: (222) [system] peek_char((0x56051b6b4f40), _799026)
   Exit: (222) [system] peek_char((0x56051b6b4f40), o)
^  Call: (222) [user] is_delimiter(o)
   Call: (223) [system] char_type(o, space)
   Call: (223) [system] arg(_802818, v('(', ')', end_of_file), o)
   Call: (222) [system] ')'==o
   Call: (222) [system] get_char((0x56051b6b4f40), o)
   Exit: (222) [system] get_char((0x56051b6b4f40), o)
   Call: (222) [system] o=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _807388)
   Call: (223) [system] peek_char((0x56051b6b4f40), _808322)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_812114, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _816684)
   Call: (224) [system] peek_char((0x56051b6b4f40), _817618)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (224) [user] is_delimiter('I')
   Call: (225) [system] char_type('I', space)
   Call: (225) [system] arg(_821410, v('(', ')', end_of_file), 'I')
   Call: (224) [system] ')'=='I'
   Call: (224) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (224) [system] get_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _825980)
   Call: (225) [system] peek_char((0x56051b6b4f40), _826914)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_830706, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _835276)
   Call: (226) [system] peek_char((0x56051b6b4f40), _836210)
   Exit: (226) [system] peek_char((0x56051b6b4f40), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_840002, v('(', ')', end_of_file), t)
   Call: (226) [system] ')'==t
   Call: (226) [system] get_char((0x56051b6b4f40), t)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _844572)
   Call: (227) [system] peek_char((0x56051b6b4f40), _845506)
   Exit: (227) [system] peek_char((0x56051b6b4f40), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_849298, v('(', ')', end_of_file), r)
   Call: (227) [system] ')'==r
   Call: (227) [system] get_char((0x56051b6b4f40), r)
   Exit: (227) [system] get_char((0x56051b6b4f40), r)
   Call: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _853868)
   Call: (228) [system] peek_char((0x56051b6b4f40), _854802)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_858594, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _863164)
   Call: (229) [system] peek_char((0x56051b6b4f40), _864098)
   Exit: (229) [system] peek_char((0x56051b6b4f40), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_867890, v('(', ')', end_of_file), d)
   Call: (229) [system] ')'==d
   Call: (229) [system] get_char((0x56051b6b4f40), d)
   Exit: (229) [system] get_char((0x56051b6b4f40), d)
   Call: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _872460)
   Call: (230) [system] peek_char((0x56051b6b4f40), _873394)
   Exit: (230) [system] peek_char((0x56051b6b4f40), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_877186, v('(', ')', end_of_file), u)
   Call: (230) [system] ')'==u
   Call: (230) [system] get_char((0x56051b6b4f40), u)
   Exit: (230) [system] get_char((0x56051b6b4f40), u)
   Call: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _881756)
   Call: (231) [system] peek_char((0x56051b6b4f40), _882690)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_886482, v('(', ')', end_of_file), c)
   Call: (231) [system] ')'==c
   Call: (231) [system] get_char((0x56051b6b4f40), c)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _891052)
   Call: (232) [system] peek_char((0x56051b6b4f40), _891986)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_895778, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _900348)
   Call: (233) [system] peek_char((0x56051b6b4f40), _901282)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_905074, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _909644)
   Call: (234) [system] peek_char((0x56051b6b4f40), _910578)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_914370, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _918940)
   Call: (235) [system] peek_char((0x56051b6b4f40), _919874)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_923666, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _928236)
   Call: (236) [system] peek_char((0x56051b6b4f40), _929170)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _928236=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _918940=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (234) [system] _909644=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (233) [system] _900348=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (232) [system] _891052=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (231) [system] _881756=[c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (230) [system] _872460=[u, c, t, i, o, n]
   Exit: (230) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (229) [system] _863164=[d, u, c, t, i, o, n]
   Exit: (229) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (228) [system] _853868=[o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (227) [system] _844572=[r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _835276=[t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _825980=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _816684=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _807388=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _798092=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _788796=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _779500=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _770204=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _760908=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _751612=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _742316=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _733020=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (214) [system] _723724=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (214) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (213) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _703180)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_999948, _999950), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _703180), _999924, fail)), '$restore_trace'(_999948, _999950))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_999948, _999950))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _703180), _999924, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(_703180)
   Call: (214) [system] atom_chars(_703180, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (214) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (213) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1008400)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1010258)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1017068)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1019772)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1029164)
   Exit: (212) [system] peek_char((0x56051b6b4f40), a)
   Call: (212) [system] a=')'
   Call: (212) [system] a=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1032878)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1034736)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=(;)
^  Call: (214) [user] is_like_space(a)
   Call: (215) [system] char_type(a, 'white')
   Call: (215) [system] char_type(a, end_of_line)
   Call: (215) [system] char_type(a, space)
   Call: (215) [system] char_type(a, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1043204)
   Exit: (213) [system] get_char((0x56051b6b4f40), a)
   Call: (213) [system] a='('
   Call: (213) [system] a='['
   Call: (213) [system] a='{'
   Call: (213) [system] a='"'
   Call: (213) [system] a=!
   Call: (213) [system] a='\''
   Call: (213) [system] a='`'
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), a, _1032878)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1053422)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1054356)
   Exit: (215) [system] peek_char((0x56051b6b4f40), b)
^  Call: (215) [user] is_delimiter(b)
   Call: (216) [system] char_type(b, space)
   Call: (216) [system] arg(_1058148, v('(', ')', end_of_file), b)
   Call: (215) [system] ')'==b
   Call: (215) [system] get_char((0x56051b6b4f40), b)
   Exit: (215) [system] get_char((0x56051b6b4f40), b)
   Call: (215) [system] b=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1062718)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1063652)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
^  Call: (216) [user] is_delimiter(c)
   Call: (217) [system] char_type(c, space)
   Call: (217) [system] arg(_1067444, v('(', ')', end_of_file), c)
   Call: (216) [system] ')'==c
   Call: (216) [system] get_char((0x56051b6b4f40), c)
   Exit: (216) [system] get_char((0x56051b6b4f40), c)
   Call: (216) [system] c=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1072014)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1072948)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _1072014=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (216) [system] _1062718=[c]
   Exit: (216) [system] [c]=[c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (215) [system] _1053422=[b, c]
   Exit: (215) [system] [b, c]=[b, c]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (214) [user] classify_and_convert_charseq(a, [b, c], _1032878)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1087846, _1087848), once(user:catch(read_from_chars([a, b, c], _1032878), _1087822, fail)), '$restore_trace'(_1087846, _1087848))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1087846, _1087848))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1087822, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(abc)
   Exit: (215) [system] atomic(abc)
^  Exit: (214) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1095346)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1097204)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1104014)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1106718)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1116110)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1119824)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1121682)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1130150)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1119824)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1135720)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1144188)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1147902)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1149760)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1158228)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1147902)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1168446)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1169380)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_1173172, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1177742)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1178676)
   Exit: (219) [system] peek_char((0x56051b6b4f40), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_1182468, v('(', ')', end_of_file), s)
   Call: (219) [system] ')'==s
   Call: (219) [system] get_char((0x56051b6b4f40), s)
   Exit: (219) [system] get_char((0x56051b6b4f40), s)
   Call: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1187038)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1187972)
   Exit: (220) [system] peek_char((0x56051b6b4f40), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_1191764, v('(', ')', end_of_file), j)
   Call: (220) [system] ')'==j
   Call: (220) [system] get_char((0x56051b6b4f40), j)
   Exit: (220) [system] get_char((0x56051b6b4f40), j)
   Call: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1196334)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1197268)
   Exit: (221) [system] peek_char((0x56051b6b4f40), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_1201060, v('(', ')', end_of_file), u)
   Call: (221) [system] ')'==u
   Call: (221) [system] get_char((0x56051b6b4f40), u)
   Exit: (221) [system] get_char((0x56051b6b4f40), u)
   Call: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1205630)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1206564)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_1210356, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1214926)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1215860)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1219652, v('(', ')', end_of_file), c)
   Call: (223) [system] ')'==c
   Call: (223) [system] get_char((0x56051b6b4f40), c)
   Exit: (223) [system] get_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1224222)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1225156)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1228948, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1233518)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1234452)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1238244, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1242814)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1243748)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1247540, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1252110)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1253044)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1256836, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1261406)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1262340)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_1266132, v('(', ')', end_of_file), 'I')
   Call: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (228) [system] get_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1270702)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1271636)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1275428, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1279998)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1280932)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1284724, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1289294)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1290228)
   Exit: (231) [system] peek_char((0x56051b6b4f40), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_1294020, v('(', ')', end_of_file), r)
   Call: (231) [system] ')'==r
   Call: (231) [system] get_char((0x56051b6b4f40), r)
   Exit: (231) [system] get_char((0x56051b6b4f40), r)
   Call: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1298590)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1299524)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1303316, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1307886)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1308820)
   Exit: (233) [system] peek_char((0x56051b6b4f40), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_1312612, v('(', ')', end_of_file), d)
   Call: (233) [system] ')'==d
   Call: (233) [system] get_char((0x56051b6b4f40), d)
   Exit: (233) [system] get_char((0x56051b6b4f40), d)
   Call: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1317182)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1318116)
   Exit: (234) [system] peek_char((0x56051b6b4f40), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_1321908, v('(', ')', end_of_file), u)
   Call: (234) [system] ')'==u
   Call: (234) [system] get_char((0x56051b6b4f40), u)
   Exit: (234) [system] get_char((0x56051b6b4f40), u)
   Call: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1326478)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1327412)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1331204, v('(', ')', end_of_file), c)
   Call: (235) [system] ')'==c
   Call: (235) [system] get_char((0x56051b6b4f40), c)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1335774)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1336708)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1340500, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1345070)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1346004)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1349796, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1354366)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1355300)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1359092, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1363662)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1364596)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1368388, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1372958)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1373892)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1372958=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _1363662=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (238) [system] _1354366=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (237) [system] _1345070=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (236) [system] _1335774=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (235) [system] _1326478=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (234) [system] _1317182=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (233) [system] _1307886=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (232) [system] _1298590=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _1289294=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1279998=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1270702=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1261406=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1252110=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1242814=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1233518=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1224222=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1214926=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1205630=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1196334=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1187038=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1177742=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1168446=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1147902)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1444670, _1444672), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1147902), _1444646, fail)), '$restore_trace'(_1444670, _1444672))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1444670, _1444672))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1147902), _1444646, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1147902)
   Call: (218) [system] atom_chars(_1147902, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1453122)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1454980)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1461790)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1464494)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(;)
^  Call: (218) [user] is_like_space(c)
   Call: (219) [system] char_type(c, 'white')
   Call: (219) [system] char_type(c, end_of_line)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] char_type(c, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1473886)
   Exit: (216) [system] peek_char((0x56051b6b4f40), c)
   Call: (216) [system] c=')'
   Call: (216) [system] c=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1477600)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1479458)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(;)
^  Call: (218) [user] is_like_space(c)
   Call: (219) [system] char_type(c, 'white')
   Call: (219) [system] char_type(c, end_of_line)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] char_type(c, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1487926)
   Exit: (217) [system] get_char((0x56051b6b4f40), c)
   Call: (217) [system] c='('
   Call: (217) [system] c='['
   Call: (217) [system] c='{'
   Call: (217) [system] c='"'
   Call: (217) [system] c=!
   Call: (217) [system] c='\''
   Call: (217) [system] c='`'
   Call: (217) [system] c=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), c, _1477600)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1498144)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1499078)
   Exit: (219) [system] peek_char((0x56051b6b4f40), d)
^  Call: (219) [user] is_delimiter(d)
   Call: (220) [system] char_type(d, space)
   Call: (220) [system] arg(_1502870, v('(', ')', end_of_file), d)
   Call: (219) [system] ')'==d
   Call: (219) [system] get_char((0x56051b6b4f40), d)
   Exit: (219) [system] get_char((0x56051b6b4f40), d)
   Call: (219) [system] d=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1507440)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1508374)
   Exit: (220) [system] peek_char((0x56051b6b4f40), e)
^  Call: (220) [user] is_delimiter(e)
   Call: (221) [system] char_type(e, space)
   Call: (221) [system] arg(_1512166, v('(', ')', end_of_file), e)
   Call: (220) [system] ')'==e
   Call: (220) [system] get_char((0x56051b6b4f40), e)
   Exit: (220) [system] get_char((0x56051b6b4f40), e)
   Call: (220) [system] e=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1516736)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1517670)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _1516736=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1507440=[e]
   Exit: (220) [system] [e]=[e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (219) [system] _1498144=[d, e]
   Exit: (219) [system] [d, e]=[d, e]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (218) [user] classify_and_convert_charseq(c, [d, e], _1477600)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1532568, _1532570), once(user:catch(read_from_chars([c, d, e], _1477600), _1532544, fail)), '$restore_trace'(_1532568, _1532570))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1532568, _1532570))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1532544, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(cde)
   Exit: (219) [system] atomic(cde)
^  Exit: (218) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1540068)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1541926)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1548736)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1551440)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
   Call: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1560832)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1564546)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1566404)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
   Call: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1574872)
   Exit: (218) [system] get_char((0x56051b6b4f40), a)
   Call: (218) [system] a='('
   Call: (218) [system] a='['
   Call: (218) [system] a='{'
   Call: (218) [system] a='"'
   Call: (218) [system] a=!
   Call: (218) [system] a='\''
   Call: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), a, _1564546)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1585090)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1586024)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_1589816, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _1585090=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq(a, [], _1564546)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1596278, _1596280), once(user:catch(read_from_chars([a], _1564546), _1596254, fail)), '$restore_trace'(_1596278, _1596280))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1596278, _1596280))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1596254, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(a)
   Exit: (220) [system] atomic(a)
^  Exit: (219) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1603778)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1605636)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1614104)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _1617894)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _1603778=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _1540068=[a]
   Exit: (217) [system] [a]=[a]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (216) [system] _1453122=[cde, a]
   Exit: (216) [system] [cde, a]=[cde, a]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [cde, a])
   Call: (215) [system] _1119824=['DisjunctionIntroduction', cde, a]
   Exit: (215) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, a])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, a])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1631776)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1633634)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1642102)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _1645892)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _1631776=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _1095346=[['DisjunctionIntroduction', cde, a]]
   Exit: (213) [system] [['DisjunctionIntroduction', cde, a]]=[['DisjunctionIntroduction', cde, a]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', cde, a]])
   Call: (212) [system] _1008400=[abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (212) [system] [abc, ['DisjunctionIntroduction', cde, a]]=[abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', cde, a]])
   Call: (211) [system] _675102=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (211) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1659774)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1661632)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1668442)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1671146)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1680538)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1684252)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1686110)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1694578)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1684252)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1700148)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'=(;)
^  Call: (213) [user] is_like_space('O')
   Call: (214) [system] char_type('O', 'white')
   Call: (214) [system] char_type('O', end_of_line)
   Call: (214) [system] char_type('O', space)
   Call: (214) [system] char_type('O', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1708616)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (212) [system] 'O'=')'
   Call: (212) [system] 'O'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1712330)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1714188)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (214) [system] 'O'=(;)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1722656)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'='('
   Call: (213) [system] 'O'='['
   Call: (213) [system] 'O'='{'
   Call: (213) [system] 'O'='"'
   Call: (213) [system] 'O'=!
   Call: (213) [system] 'O'='\''
   Call: (213) [system] 'O'='`'
   Call: (213) [system] 'O'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1712330)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1732874)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1733808)
   Exit: (215) [system] peek_char((0x56051b6b4f40), r)
^  Call: (215) [user] is_delimiter(r)
   Call: (216) [system] char_type(r, space)
   Call: (216) [system] arg(_1737600, v('(', ')', end_of_file), r)
   Call: (215) [system] ')'==r
   Call: (215) [system] get_char((0x56051b6b4f40), r)
   Exit: (215) [system] get_char((0x56051b6b4f40), r)
   Call: (215) [system] r=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1742170)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1743104)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (216) [user] is_delimiter('L')
   Call: (217) [system] char_type('L', space)
   Call: (217) [system] arg(_1746896, v('(', ')', end_of_file), 'L')
   Call: (216) [system] ')'=='L'
   Call: (216) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (216) [system] get_char((0x56051b6b4f40), 'L')
   Call: (216) [system] 'L'=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1751466)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1752400)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1756192, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1760762)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1761696)
   Exit: (218) [system] peek_char((0x56051b6b4f40), n)
^  Call: (218) [user] is_delimiter(n)
   Call: (219) [system] char_type(n, space)
   Call: (219) [system] arg(_1765488, v('(', ')', end_of_file), n)
   Call: (218) [system] ')'==n
   Call: (218) [system] get_char((0x56051b6b4f40), n)
   Exit: (218) [system] get_char((0x56051b6b4f40), n)
   Call: (218) [system] n=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1770058)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1770992)
   Exit: (219) [system] peek_char((0x56051b6b4f40), k)
^  Call: (219) [user] is_delimiter(k)
   Call: (220) [system] char_type(k, space)
   Call: (220) [system] arg(_1774784, v('(', ')', end_of_file), k)
   Call: (219) [system] ')'==k
   Call: (219) [system] get_char((0x56051b6b4f40), k)
   Exit: (219) [system] get_char((0x56051b6b4f40), k)
   Call: (219) [system] k=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1779354)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1780288)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1779354=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _1770058=[k]
   Exit: (219) [system] [k]=[k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (218) [system] _1760762=[n, k]
   Exit: (218) [system] [n, k]=[n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (217) [system] _1751466=[i, n, k]
   Exit: (217) [system] [i, n, k]=[i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (216) [system] _1742170=['L', i, n, k]
   Exit: (216) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (215) [system] _1732874=[r, 'L', i, n, k]
   Exit: (215) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1712330)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1803568, _1803570), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1712330), _1803544, fail)), '$restore_trace'(_1803568, _1803570))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1803568, _1803570))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1712330), _1803544, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1712330)
   Call: (215) [system] atom_chars(_1712330, ['O', r, 'L', i, n, k])
   Exit: (215) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (214) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1812020)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1813878)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1820688)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1823392)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1832784)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1836498)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1838356)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1846824)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1836498)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1852394)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'=(;)
^  Call: (216) [user] is_like_space('I')
   Call: (217) [system] char_type('I', 'white')
   Call: (217) [system] char_type('I', end_of_line)
   Call: (217) [system] char_type('I', space)
   Call: (217) [system] char_type('I', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1860862)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (215) [system] 'I'=')'
   Call: (215) [system] 'I'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1864576)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1866434)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'=(;)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1874902)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'='('
   Call: (216) [system] 'I'='['
   Call: (216) [system] 'I'='{'
   Call: (216) [system] 'I'='"'
   Call: (216) [system] 'I'=!
   Call: (216) [system] 'I'='\''
   Call: (216) [system] 'I'='`'
   Call: (216) [system] 'I'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1864576)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1885120)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1886054)
   Exit: (218) [system] peek_char((0x56051b6b4f40), m)
^  Call: (218) [user] is_delimiter(m)
   Call: (219) [system] char_type(m, space)
   Call: (219) [system] arg(_1889846, v('(', ')', end_of_file), m)
   Call: (218) [system] ')'==m
   Call: (218) [system] get_char((0x56051b6b4f40), m)
   Exit: (218) [system] get_char((0x56051b6b4f40), m)
   Call: (218) [system] m=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1894416)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1895350)
   Exit: (219) [system] peek_char((0x56051b6b4f40), p)
^  Call: (219) [user] is_delimiter(p)
   Call: (220) [system] char_type(p, space)
   Call: (220) [system] arg(_1899142, v('(', ')', end_of_file), p)
   Call: (219) [system] ')'==p
   Call: (219) [system] get_char((0x56051b6b4f40), p)
   Exit: (219) [system] get_char((0x56051b6b4f40), p)
   Call: (219) [system] p=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1903712)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1904646)
   Exit: (220) [system] peek_char((0x56051b6b4f40), l)
^  Call: (220) [user] is_delimiter(l)
   Call: (221) [system] char_type(l, space)
   Call: (221) [system] arg(_1908438, v('(', ')', end_of_file), l)
   Call: (220) [system] ')'==l
   Call: (220) [system] get_char((0x56051b6b4f40), l)
   Exit: (220) [system] get_char((0x56051b6b4f40), l)
   Call: (220) [system] l=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1913008)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1913942)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1917734, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1922304)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1923238)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1927030, v('(', ')', end_of_file), c)
   Call: (222) [system] ')'==c
   Call: (222) [system] get_char((0x56051b6b4f40), c)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1931600)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1932534)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
^  Call: (223) [user] is_delimiter(a)
   Call: (224) [system] char_type(a, space)
   Call: (224) [system] arg(_1936326, v('(', ')', end_of_file), a)
   Call: (223) [system] ')'==a
   Call: (223) [system] get_char((0x56051b6b4f40), a)
   Exit: (223) [system] get_char((0x56051b6b4f40), a)
   Call: (223) [system] a=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1940896)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1941830)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_1945622, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1950192)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1951126)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1954918, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959488)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1960422)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_1964214, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1968784)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1969718)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1973510, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1978080)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1979014)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1978080=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1968784=[n]
   Exit: (227) [system] [n]=[n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (226) [system] _1959488=[o, n]
   Exit: (226) [system] [o, n]=[o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (225) [system] _1950192=[i, o, n]
   Exit: (225) [system] [i, o, n]=[i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (224) [system] _1940896=[t, i, o, n]
   Exit: (224) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (223) [system] _1931600=[a, t, i, o, n]
   Exit: (223) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (222) [system] _1922304=[c, a, t, i, o, n]
   Exit: (222) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (221) [system] _1913008=[i, c, a, t, i, o, n]
   Exit: (221) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (220) [system] _1903712=[l, i, c, a, t, i, o, n]
   Exit: (220) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (219) [system] _1894416=[p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (218) [system] _1885120=[m, p, l, i, c, a, t, i, o, n]
   Exit: (218) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1864576)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_2016264, _2016266), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1864576), _2016240, fail)), '$restore_trace'(_2016264, _2016266))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_2016264, _2016266))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1864576), _2016240, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_1864576)
   Call: (218) [system] atom_chars(_1864576, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (218) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _2024716)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _2026574)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _2033384)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _2036088)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _2045480)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _2049194)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _2051052)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _2059520)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _2049194)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _2065090)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=(;)
^  Call: (219) [user] is_like_space('A')
   Call: (220) [system] char_type('A', 'white')
   Call: (220) [system] char_type('A', end_of_line)
   Call: (220) [system] char_type('A', space)
   Call: (220) [system] char_type('A', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _2073558)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (218) [system] 'A'=')'
   Call: (218) [system] 'A'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _2077272)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _2079130)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _2087598)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'='('
   Call: (219) [system] 'A'='['
   Call: (219) [system] 'A'='{'
   Call: (219) [system] 'A'='"'
   Call: (219) [system] 'A'=!
   Call: (219) [system] 'A'='\''
   Call: (219) [system] 'A'='`'
   Call: (219) [system] 'A'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _5720)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _6604)
   Call: (221) [system] peek_char((0x56051b6b4f40), _7538)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_11330, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _15900)
   Call: (222) [system] peek_char((0x56051b6b4f40), _16834)
   Exit: (222) [system] peek_char((0x56051b6b4f40), d)
^  Call: (222) [user] is_delimiter(d)
   Call: (223) [system] char_type(d, space)
   Call: (223) [system] arg(_20626, v('(', ')', end_of_file), d)
   Call: (222) [system] ')'==d
   Call: (222) [system] get_char((0x56051b6b4f40), d)
   Exit: (222) [system] get_char((0x56051b6b4f40), d)
   Call: (222) [system] d=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _25196)
   Call: (223) [system] peek_char((0x56051b6b4f40), _26130)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_29922, v('(', ')', end_of_file), 'L')
   Call: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (223) [system] get_char((0x56051b6b4f40), 'L')
   Call: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _34492)
   Call: (224) [system] peek_char((0x56051b6b4f40), _35426)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_39218, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _43788)
   Call: (225) [system] peek_char((0x56051b6b4f40), _44722)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_48514, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _53084)
   Call: (226) [system] peek_char((0x56051b6b4f40), _54018)
   Exit: (226) [system] peek_char((0x56051b6b4f40), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_57810, v('(', ')', end_of_file), k)
   Call: (226) [system] ')'==k
   Call: (226) [system] get_char((0x56051b6b4f40), k)
   Exit: (226) [system] get_char((0x56051b6b4f40), k)
   Call: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _62380)
   Call: (227) [system] peek_char((0x56051b6b4f40), _63314)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _62380=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _53084=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (225) [system] _43788=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (224) [system] _34492=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (223) [system] _25196=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (222) [system] _15900=[d, 'L', i, n, k]
   Exit: (222) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (221) [system] _6604=[n, d, 'L', i, n, k]
   Exit: (221) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _5720)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_89388, _89390), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _5720), _89364, fail)), '$restore_trace'(_89388, _89390))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_89388, _89390))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _5720), _89364, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_5720)
   Call: (221) [system] atom_chars(_5720, ['A', n, d, 'L', i, n, k])
   Exit: (221) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _97840)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _99698)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _106508)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _109212)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _118604)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _122318)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _124176)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _132644)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _122318)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _142862)
   Call: (222) [system] peek_char((0x56051b6b4f40), _143796)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _142862=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq('A', [], _122318)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_153106, _153108), once(user:catch(read_from_chars(['A'], _122318), _153082, fail)), '$restore_trace'(_153106, _153108))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_153106, _153108))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _122318), _153082, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_122318)
   Call: (222) [system] atom_chars(_122318, ['A'])
   Exit: (222) [system] atom_chars('A', ['A'])
^  Exit: (221) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _161558)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _163416)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _170226)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _172930)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _182322)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'=')'
   Call: (220) [system] 'B'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _186036)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _187894)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'=(;)
^  Call: (222) [user] is_like_space('B')
   Call: (223) [system] char_type('B', 'white')
   Call: (223) [system] char_type('B', end_of_line)
   Call: (223) [system] char_type('B', space)
   Call: (223) [system] char_type('B', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _196362)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'B')
   Call: (221) [system] 'B'='('
   Call: (221) [system] 'B'='['
   Call: (221) [system] 'B'='{'
   Call: (221) [system] 'B'='"'
   Call: (221) [system] 'B'=!
   Call: (221) [system] 'B'='\''
   Call: (221) [system] 'B'='`'
   Call: (221) [system] 'B'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _186036)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _206580)
   Call: (223) [system] peek_char((0x56051b6b4f40), _207514)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_211306, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _206580=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('B', [], _186036)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_217768, _217770), once(user:catch(read_from_chars(['B'], _186036), _217744, fail)), '$restore_trace'(_217768, _217770))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_217768, _217770))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _186036), _217744, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_186036)
   Call: (223) [system] atom_chars(_186036, ['B'])
   Exit: (223) [system] atom_chars('B', ['B'])
^  Exit: (222) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _226220)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _228078)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _236546)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _240336)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _226220=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _161558=['B']
   Exit: (220) [system] ['B']=['B']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (219) [system] _97840=['A', 'B']
   Exit: (219) [system] ['A', 'B']=['A', 'B']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (218) [system] _5714=['AndLink', 'A', 'B']
   Exit: (218) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _254218)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _256076)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _262886)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _265590)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _274982)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (217) [system] 'C'=')'
   Call: (217) [system] 'C'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _278696)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _280554)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (219) [system] 'C'=(;)
^  Call: (219) [user] is_like_space('C')
   Call: (220) [system] char_type('C', 'white')
   Call: (220) [system] char_type('C', end_of_line)
   Call: (220) [system] char_type('C', space)
   Call: (220) [system] char_type('C', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _289022)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'C')
   Call: (218) [system] 'C'='('
   Call: (218) [system] 'C'='['
   Call: (218) [system] 'C'='{'
   Call: (218) [system] 'C'='"'
   Call: (218) [system] 'C'=!
   Call: (218) [system] 'C'='\''
   Call: (218) [system] 'C'='`'
   Call: (218) [system] 'C'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _278696)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _299240)
   Call: (220) [system] peek_char((0x56051b6b4f40), _300174)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (220) [user] is_delimiter(')')
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] arg(_303966, v('(', ')', end_of_file), ')')
   Exit: (221) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (220) [user] is_delimiter(')')
   Call: (220) [system] _299240=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq('C', [], _278696)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_310428, _310430), once(user:catch(read_from_chars(['C'], _278696), _310404, fail)), '$restore_trace'(_310428, _310430))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_310428, _310430))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _278696), _310404, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_278696)
   Call: (220) [system] atom_chars(_278696, ['C'])
   Exit: (220) [system] atom_chars('C', ['C'])
^  Exit: (219) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _318880)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _320738)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _329206)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _332996)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _318880=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _254218=['C']
   Exit: (217) [system] ['C']=['C']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (216) [system] _5710=[['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (215) [system] _5702=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (215) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _346878)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _348736)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _355546)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _358250)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _367642)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _371356)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _373214)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _381682)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _371356)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _387252)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _395720)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _399434)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _401292)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _409760)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _399434)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _419978)
   Call: (219) [system] peek_char((0x56051b6b4f40), _420912)
   Exit: (219) [system] peek_char((0x56051b6b4f40), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_424704, v('(', ')', end_of_file), r)
   Call: (219) [system] ')'==r
   Call: (219) [system] get_char((0x56051b6b4f40), r)
   Exit: (219) [system] get_char((0x56051b6b4f40), r)
   Call: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _429274)
   Call: (220) [system] peek_char((0x56051b6b4f40), _430208)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_434000, v('(', ')', end_of_file), 'L')
   Call: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (220) [system] get_char((0x56051b6b4f40), 'L')
   Call: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _438570)
   Call: (221) [system] peek_char((0x56051b6b4f40), _439504)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_443296, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _447866)
   Call: (222) [system] peek_char((0x56051b6b4f40), _448800)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_452592, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _457162)
   Call: (223) [system] peek_char((0x56051b6b4f40), _458096)
   Exit: (223) [system] peek_char((0x56051b6b4f40), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_461888, v('(', ')', end_of_file), k)
   Call: (223) [system] ')'==k
   Call: (223) [system] get_char((0x56051b6b4f40), k)
   Exit: (223) [system] get_char((0x56051b6b4f40), k)
   Call: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _466458)
   Call: (224) [system] peek_char((0x56051b6b4f40), _467392)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _466458=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _457162=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (222) [system] _447866=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (221) [system] _438570=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (220) [system] _429274=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (219) [system] _419978=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _399434)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_490672, _490674), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _399434), _490648, fail)), '$restore_trace'(_490672, _490674))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_490672, _490674))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _399434), _490648, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_399434)
   Call: (219) [system] atom_chars(_399434, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _499124)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _500982)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _507792)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _510496)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _519888)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _523602)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _525460)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _533928)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _523602)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _539498)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _547966)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _551680)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _553538)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _562006)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _551680)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _572224)
   Call: (222) [system] peek_char((0x56051b6b4f40), _573158)
   Exit: (222) [system] peek_char((0x56051b6b4f40), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_576950, v('(', ')', end_of_file), m)
   Call: (222) [system] ')'==m
   Call: (222) [system] get_char((0x56051b6b4f40), m)
   Exit: (222) [system] get_char((0x56051b6b4f40), m)
   Call: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _581520)
   Call: (223) [system] peek_char((0x56051b6b4f40), _582454)
   Exit: (223) [system] peek_char((0x56051b6b4f40), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_586246, v('(', ')', end_of_file), p)
   Call: (223) [system] ')'==p
   Call: (223) [system] get_char((0x56051b6b4f40), p)
   Exit: (223) [system] get_char((0x56051b6b4f40), p)
   Call: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _590816)
   Call: (224) [system] peek_char((0x56051b6b4f40), _591750)
   Exit: (224) [system] peek_char((0x56051b6b4f40), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_595542, v('(', ')', end_of_file), l)
   Call: (224) [system] ')'==l
   Call: (224) [system] get_char((0x56051b6b4f40), l)
   Exit: (224) [system] get_char((0x56051b6b4f40), l)
   Call: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _600112)
   Call: (225) [system] peek_char((0x56051b6b4f40), _601046)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_604838, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _609408)
   Call: (226) [system] peek_char((0x56051b6b4f40), _610342)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_614134, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _618704)
   Call: (227) [system] peek_char((0x56051b6b4f40), _619638)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_623430, v('(', ')', end_of_file), a)
   Call: (227) [system] ')'==a
   Call: (227) [system] get_char((0x56051b6b4f40), a)
   Exit: (227) [system] get_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _628000)
   Call: (228) [system] peek_char((0x56051b6b4f40), _628934)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_632726, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _637296)
   Call: (229) [system] peek_char((0x56051b6b4f40), _638230)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_642022, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _646592)
   Call: (230) [system] peek_char((0x56051b6b4f40), _647526)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_651318, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _655888)
   Call: (231) [system] peek_char((0x56051b6b4f40), _656822)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_660614, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _665184)
   Call: (232) [system] peek_char((0x56051b6b4f40), _666118)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _665184=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _655888=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (230) [system] _646592=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (229) [system] _637296=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (228) [system] _628000=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (227) [system] _618704=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (226) [system] _609408=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (225) [system] _600112=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (224) [system] _590816=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _581520=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _572224=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _551680)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_703368, _703370), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _551680), _703344, fail)), '$restore_trace'(_703368, _703370))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_703368, _703370))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _551680), _703344, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_551680)
   Call: (222) [system] atom_chars(_551680, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _711820)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _713678)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _720488)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _723192)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _732584)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _736298)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _738156)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _746624)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _736298)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _752194)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _760662)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _764376)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _766234)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _774702)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _764376)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _784920)
   Call: (225) [system] peek_char((0x56051b6b4f40), _785854)
   Exit: (225) [system] peek_char((0x56051b6b4f40), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_789646, v('(', ')', end_of_file), r)
   Call: (225) [system] ')'==r
   Call: (225) [system] get_char((0x56051b6b4f40), r)
   Exit: (225) [system] get_char((0x56051b6b4f40), r)
   Call: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _794216)
   Call: (226) [system] peek_char((0x56051b6b4f40), _795150)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_798942, v('(', ')', end_of_file), 'L')
   Call: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (226) [system] get_char((0x56051b6b4f40), 'L')
   Call: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _803512)
   Call: (227) [system] peek_char((0x56051b6b4f40), _804446)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_808238, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _812808)
   Call: (228) [system] peek_char((0x56051b6b4f40), _813742)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_817534, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _822104)
   Call: (229) [system] peek_char((0x56051b6b4f40), _823038)
   Exit: (229) [system] peek_char((0x56051b6b4f40), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_826830, v('(', ')', end_of_file), k)
   Call: (229) [system] ')'==k
   Call: (229) [system] get_char((0x56051b6b4f40), k)
   Exit: (229) [system] get_char((0x56051b6b4f40), k)
   Call: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _831400)
   Call: (230) [system] peek_char((0x56051b6b4f40), _832334)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _831400=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _822104=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (228) [system] _812808=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (227) [system] _803512=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (226) [system] _794216=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (225) [system] _784920=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _764376)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_855614, _855616), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _764376), _855590, fail)), '$restore_trace'(_855614, _855616))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_855614, _855616))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _764376), _855590, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_764376)
   Call: (225) [system] atom_chars(_764376, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _864066)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _865924)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _872734)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _875438)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _884830)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _888544)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _890402)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _898870)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _888544)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _909088)
   Call: (226) [system] peek_char((0x56051b6b4f40), _910022)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _909088=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('C', [], _888544)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_919332, _919334), once(user:catch(read_from_chars(['C'], _888544), _919308, fail)), '$restore_trace'(_919332, _919334))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_919332, _919334))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _888544), _919308, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_888544)
   Call: (226) [system] atom_chars(_888544, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _927784)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _929642)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _936452)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _939156)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'=(;)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _948548)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _952262)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _954120)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'=(;)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _962588)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _952262)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _972806)
   Call: (227) [system] peek_char((0x56051b6b4f40), _973740)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_977532, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _972806=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('D', [], _952262)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_983994, _983996), once(user:catch(read_from_chars(['D'], _952262), _983970, fail)), '$restore_trace'(_983994, _983996))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_983994, _983996))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _952262), _983970, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_952262)
   Call: (227) [system] atom_chars(_952262, ['D'])
   Exit: (227) [system] atom_chars('D', ['D'])
^  Exit: (226) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _992446)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _994304)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1002772)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _1006562)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _992446=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _927784=['D']
   Exit: (224) [system] ['D']=['D']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (223) [system] _864066=['C', 'D']
   Exit: (223) [system] ['C', 'D']=['C', 'D']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (222) [system] _736298=['OrLink', 'C', 'D']
   Exit: (222) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1020444)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1022302)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1029112)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1031816)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (223) [system] 'E'=(;)
^  Call: (223) [user] is_like_space('E')
   Call: (224) [system] char_type('E', 'white')
   Call: (224) [system] char_type('E', end_of_line)
   Call: (224) [system] char_type('E', space)
   Call: (224) [system] char_type('E', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1041208)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (221) [system] 'E'=')'
   Call: (221) [system] 'E'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1044922)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1046780)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (223) [system] 'E'=(;)
^  Call: (223) [user] is_like_space('E')
   Call: (224) [system] char_type('E', 'white')
   Call: (224) [system] char_type('E', end_of_line)
   Call: (224) [system] char_type('E', space)
   Call: (224) [system] char_type('E', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1055248)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'E')
   Call: (222) [system] 'E'='('
   Call: (222) [system] 'E'='['
   Call: (222) [system] 'E'='{'
   Call: (222) [system] 'E'='"'
   Call: (222) [system] 'E'=!
   Call: (222) [system] 'E'='\''
   Call: (222) [system] 'E'='`'
   Call: (222) [system] 'E'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1044922)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1065466)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1066400)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1070192, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1065466=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq('E', [], _1044922)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1076654, _1076656), once(user:catch(read_from_chars(['E'], _1044922), _1076630, fail)), '$restore_trace'(_1076654, _1076656))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1076654, _1076656))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1044922), _1076630, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1044922)
   Call: (224) [system] atom_chars(_1044922, ['E'])
   Exit: (224) [system] atom_chars('E', ['E'])
^  Exit: (223) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1085106)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1086964)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1095432)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _1099222)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _1085106=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _1020444=['E']
   Exit: (221) [system] ['E']=['E']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (220) [system] _711820=[['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (219) [system] _523602=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (219) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1113104)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1114962)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1121772)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1124476)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1133868)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (218) [system] 'B'=')'
   Call: (218) [system] 'B'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1137582)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1139440)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (220) [system] 'B'=(;)
^  Call: (220) [user] is_like_space('B')
   Call: (221) [system] char_type('B', 'white')
   Call: (221) [system] char_type('B', end_of_line)
   Call: (221) [system] char_type('B', space)
   Call: (221) [system] char_type('B', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1147908)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'B')
   Call: (219) [system] 'B'='('
   Call: (219) [system] 'B'='['
   Call: (219) [system] 'B'='{'
   Call: (219) [system] 'B'='"'
   Call: (219) [system] 'B'=!
   Call: (219) [system] 'B'='\''
   Call: (219) [system] 'B'='`'
   Call: (219) [system] 'B'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1137582)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1158126)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1159060)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1162852, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1158126=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (220) [user] classify_and_convert_charseq('B', [], _1137582)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1169314, _1169316), once(user:catch(read_from_chars(['B'], _1137582), _1169290, fail)), '$restore_trace'(_1169314, _1169316))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1169314, _1169316))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1137582), _1169290, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1137582)
   Call: (221) [system] atom_chars(_1137582, ['B'])
   Exit: (221) [system] atom_chars('B', ['B'])
^  Exit: (220) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1177766)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1179624)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1188092)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _1191882)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _1177766=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _1113104=['B']
   Exit: (218) [system] ['B']=['B']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (217) [system] _499124=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (217) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (216) [system] _371356=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (216) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1205764)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1207622)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1216090)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _1219880)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _1205764=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _346878=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (214) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (213) [system] _5698=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (213) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (212) [system] _5690=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (212) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1233762)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1235620)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=(;)
^  Call: (212) [user] is_like_space(')')
   Call: (213) [system] char_type(')', 'white')
   Call: (213) [system] char_type(')', end_of_line)
   Call: (213) [system] char_type(')', space)
   Call: (213) [system] char_type(')', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1244088)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ')')
   Call: (211) [system] ')'=')'
   Exit: (211) [system] ')'=')'
   Call: (211) [system] get_char((0x56051b6b4f40), _1247878)
   Exit: (211) [system] get_char((0x56051b6b4f40), ')')
   Call: (211) [system] _1233762=[]
   Exit: (211) [system] []=[]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (210) [system] _5686=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (210) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (209) [system] _5644=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (209) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (208) [system] _5636=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (208) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (207) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Exit: (206) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Call: (206) [user] read_list(')', (0x56051b6b4f40), _1261760)
^  Call: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _1263618)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (208) [system] '\n'=(;)
^  Call: (208) [user] is_like_space('\n')
   Call: (209) [system] char_type('\n', 'white')
   Call: (209) [system] char_type('\n', end_of_line)
   Exit: (209) [system] char_type('\n', end_of_line)
^  Exit: (208) [user] is_like_space('\n')
   Call: (208) [system] get_char((0x56051b6b4f40), _1271234)
   Exit: (208) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1273938)
   Exit: (209) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (209) [system] ' '=(;)
^  Call: (209) [user] is_like_space(' ')
   Call: (210) [system] char_type(' ', 'white')
   Exit: (210) [system] char_type(' ', 'white')
^  Exit: (209) [user] is_like_space(' ')
   Call: (209) [system] get_char((0x56051b6b4f40), _1280748)
   Exit: (209) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1283452)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (207) [user] skip_spaces((0x56051b6b4f40))
   Call: (207) [system] peek_char((0x56051b6b4f40), _1293768)
   Exit: (207) [system] peek_char((0x56051b6b4f40), '(')
   Call: (207) [system] '('=')'
   Call: (207) [system] '('=end_of_file
^  Call: (207) [user] cont_sexpr(')', (0x56051b6b4f40), _1297482)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1299340)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=(;)
^  Call: (209) [user] is_like_space('(')
   Call: (210) [system] char_type('(', 'white')
   Call: (210) [system] char_type('(', end_of_line)
   Call: (210) [system] char_type('(', space)
   Call: (210) [system] char_type('(', cntrl)
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] get_char((0x56051b6b4f40), _1307808)
   Exit: (208) [system] get_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('='('
   Exit: (208) [system] '('='('
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1297482)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1313378)
   Exit: (210) [system] peek_char((0x56051b6b4f40), :)
   Call: (210) [system] (:)=(;)
^  Call: (210) [user] is_like_space(:)
   Call: (211) [system] char_type(:, 'white')
   Call: (211) [system] char_type(:, end_of_line)
   Call: (211) [system] char_type(:, space)
   Call: (211) [system] char_type(:, cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1321846)
   Exit: (209) [system] peek_char((0x56051b6b4f40), :)
   Call: (209) [system] (:)=')'
   Call: (209) [system] (:)=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1325560)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1327418)
   Exit: (211) [system] peek_char((0x56051b6b4f40), :)
   Call: (211) [system] (:)=(;)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1335886)
   Exit: (210) [system] get_char((0x56051b6b4f40), :)
   Call: (210) [system] (:)='('
   Call: (210) [system] (:)='['
   Call: (210) [system] (:)='{'
   Call: (210) [system] (:)='"'
   Call: (210) [system] (:)=!
   Call: (210) [system] (:)='\''
   Call: (210) [system] (:)='`'
   Call: (210) [system] (:)=end_of_file
^  Call: (210) [user] read_symbolic(')', (0x56051b6b4f40), :, _1325560)
^  Call: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1346104)
   Call: (212) [system] peek_char((0x56051b6b4f40), _1347038)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] is_delimiter(' ')
   Call: (213) [system] char_type(' ', space)
   Exit: (213) [system] char_type(' ', space)
^  Exit: (212) [user] is_delimiter(' ')
   Call: (212) [system] _1346104=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (211) [user] classify_and_convert_charseq(:, [], _1325560)
^  Call: (213) [system] setup_call_cleanup('$notrace'(_1356348, _1356350), once(user:catch(read_from_chars([:], _1325560), _1356324, fail)), '$restore_trace'(_1356348, _1356350))
^  Call: (214) [system] sig_atomic(system:'$notrace'(_1356348, _1356350))
^  Exit: (213) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1356324, fail)), system:'$restore_trace'(3, -1))
   Call: (212) [system] atomic(:)
   Exit: (212) [system] atomic(:)
^  Exit: (211) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (210) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1363848)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1365706)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1372516)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1375220)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1384612)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1388326)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1390184)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1398652)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1388326)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1404222)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'=(;)
^  Call: (213) [user] is_like_space('D')
   Call: (214) [system] char_type('D', 'white')
   Call: (214) [system] char_type('D', end_of_line)
   Call: (214) [system] char_type('D', space)
   Call: (214) [system] char_type('D', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1412690)
   Exit: (212) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (212) [system] 'D'=')'
   Call: (212) [system] 'D'=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1416404)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1418262)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1426730)
   Exit: (213) [system] get_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'='('
   Call: (213) [system] 'D'='['
   Call: (213) [system] 'D'='{'
   Call: (213) [system] 'D'='"'
   Call: (213) [system] 'D'=!
   Call: (213) [system] 'D'='\''
   Call: (213) [system] 'D'='`'
   Call: (213) [system] 'D'=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1416404)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1436948)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1437882)
   Exit: (215) [system] peek_char((0x56051b6b4f40), i)
^  Call: (215) [user] is_delimiter(i)
   Call: (216) [system] char_type(i, space)
   Call: (216) [system] arg(_1441674, v('(', ')', end_of_file), i)
   Call: (215) [system] ')'==i
   Call: (215) [system] get_char((0x56051b6b4f40), i)
   Exit: (215) [system] get_char((0x56051b6b4f40), i)
   Call: (215) [system] i=(\)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1446244)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1447178)
   Exit: (216) [system] peek_char((0x56051b6b4f40), s)
^  Call: (216) [user] is_delimiter(s)
   Call: (217) [system] char_type(s, space)
   Call: (217) [system] arg(_1450970, v('(', ')', end_of_file), s)
   Call: (216) [system] ')'==s
   Call: (216) [system] get_char((0x56051b6b4f40), s)
   Exit: (216) [system] get_char((0x56051b6b4f40), s)
   Call: (216) [system] s=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1455540)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1456474)
   Exit: (217) [system] peek_char((0x56051b6b4f40), j)
^  Call: (217) [user] is_delimiter(j)
   Call: (218) [system] char_type(j, space)
   Call: (218) [system] arg(_1460266, v('(', ')', end_of_file), j)
   Call: (217) [system] ')'==j
   Call: (217) [system] get_char((0x56051b6b4f40), j)
   Exit: (217) [system] get_char((0x56051b6b4f40), j)
   Call: (217) [system] j=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1464836)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1465770)
   Exit: (218) [system] peek_char((0x56051b6b4f40), u)
^  Call: (218) [user] is_delimiter(u)
   Call: (219) [system] char_type(u, space)
   Call: (219) [system] arg(_1469562, v('(', ')', end_of_file), u)
   Call: (218) [system] ')'==u
   Call: (218) [system] get_char((0x56051b6b4f40), u)
   Exit: (218) [system] get_char((0x56051b6b4f40), u)
   Call: (218) [system] u=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1474132)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1475066)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_1478858, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1483428)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1484362)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_1488154, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1492724)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1493658)
   Exit: (221) [system] peek_char((0x56051b6b4f40), t)
^  Call: (221) [user] is_delimiter(t)
   Call: (222) [system] char_type(t, space)
   Call: (222) [system] arg(_1497450, v('(', ')', end_of_file), t)
   Call: (221) [system] ')'==t
   Call: (221) [system] get_char((0x56051b6b4f40), t)
   Exit: (221) [system] get_char((0x56051b6b4f40), t)
   Call: (221) [system] t=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1502020)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1502954)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1506746, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1511316)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1512250)
   Exit: (223) [system] peek_char((0x56051b6b4f40), o)
^  Call: (223) [user] is_delimiter(o)
   Call: (224) [system] char_type(o, space)
   Call: (224) [system] arg(_1516042, v('(', ')', end_of_file), o)
   Call: (223) [system] ')'==o
   Call: (223) [system] get_char((0x56051b6b4f40), o)
   Exit: (223) [system] get_char((0x56051b6b4f40), o)
   Call: (223) [system] o=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1520612)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1521546)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1525338, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1529908)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1530842)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (225) [user] is_delimiter('I')
   Call: (226) [system] char_type('I', space)
   Call: (226) [system] arg(_1534634, v('(', ')', end_of_file), 'I')
   Call: (225) [system] ')'=='I'
   Call: (225) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (225) [system] get_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1539204)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1540138)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1543930, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1548500)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1549434)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1553226, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1557796)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1558730)
   Exit: (228) [system] peek_char((0x56051b6b4f40), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_1562522, v('(', ')', end_of_file), r)
   Call: (228) [system] ')'==r
   Call: (228) [system] get_char((0x56051b6b4f40), r)
   Exit: (228) [system] get_char((0x56051b6b4f40), r)
   Call: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1567092)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1568026)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1571818, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1576388)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1577322)
   Exit: (230) [system] peek_char((0x56051b6b4f40), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1581114, v('(', ')', end_of_file), d)
   Call: (230) [system] ')'==d
   Call: (230) [system] get_char((0x56051b6b4f40), d)
   Exit: (230) [system] get_char((0x56051b6b4f40), d)
   Call: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1585684)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1586618)
   Exit: (231) [system] peek_char((0x56051b6b4f40), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_1590410, v('(', ')', end_of_file), u)
   Call: (231) [system] ')'==u
   Call: (231) [system] get_char((0x56051b6b4f40), u)
   Exit: (231) [system] get_char((0x56051b6b4f40), u)
   Call: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1594980)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1595914)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1599706, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1604276)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1605210)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1609002, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1613572)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1614506)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1618298, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1622868)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1623802)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1627594, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1632164)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1633098)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1636890, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1641460)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1642394)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1641460=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1632164=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (235) [system] _1622868=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (234) [system] _1613572=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (233) [system] _1604276=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (232) [system] _1594980=[c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (231) [system] _1585684=[u, c, t, i, o, n]
   Exit: (231) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (230) [system] _1576388=[d, u, c, t, i, o, n]
   Exit: (230) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (229) [system] _1567092=[o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (228) [system] _1557796=[r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1548500=[t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1539204=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1529908=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1520612=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1511316=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1502020=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1492724=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1483428=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1474132=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1464836=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1455540=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _1446244=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (215) [system] _1436948=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (215) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (214) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1416404)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1713172, _1713174), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1416404), _1713148, fail)), '$restore_trace'(_1713172, _1713174))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1713172, _1713174))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1416404), _1713148, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(_1416404)
   Call: (215) [system] atom_chars(_1416404, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (215) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (214) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1721624)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1723482)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _1730292)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1732996)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1742388)
   Exit: (213) [system] peek_char((0x56051b6b4f40), a)
   Call: (213) [system] a=')'
   Call: (213) [system] a=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _1746102)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1747960)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=(;)
^  Call: (215) [user] is_like_space(a)
   Call: (216) [system] char_type(a, 'white')
   Call: (216) [system] char_type(a, end_of_line)
   Call: (216) [system] char_type(a, space)
   Call: (216) [system] char_type(a, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _1756428)
   Exit: (214) [system] get_char((0x56051b6b4f40), a)
   Call: (214) [system] a='('
   Call: (214) [system] a='['
   Call: (214) [system] a='{'
   Call: (214) [system] a='"'
   Call: (214) [system] a=!
   Call: (214) [system] a='\''
   Call: (214) [system] a='`'
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), a, _1746102)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1766646)
   Call: (216) [system] peek_char((0x56051b6b4f40), _1767580)
   Exit: (216) [system] peek_char((0x56051b6b4f40), b)
^  Call: (216) [user] is_delimiter(b)
   Call: (217) [system] char_type(b, space)
   Call: (217) [system] arg(_1771372, v('(', ')', end_of_file), b)
   Call: (216) [system] ')'==b
   Call: (216) [system] get_char((0x56051b6b4f40), b)
   Exit: (216) [system] get_char((0x56051b6b4f40), b)
   Call: (216) [system] b=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1775942)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1776876)
   Exit: (217) [system] peek_char((0x56051b6b4f40), c)
^  Call: (217) [user] is_delimiter(c)
   Call: (218) [system] char_type(c, space)
   Call: (218) [system] arg(_1780668, v('(', ')', end_of_file), c)
   Call: (217) [system] ')'==c
   Call: (217) [system] get_char((0x56051b6b4f40), c)
   Exit: (217) [system] get_char((0x56051b6b4f40), c)
   Call: (217) [system] c=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1785238)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1786172)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _1785238=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (217) [system] _1775942=[c]
   Exit: (217) [system] [c]=[c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (216) [system] _1766646=[b, c]
   Exit: (216) [system] [b, c]=[b, c]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (215) [user] classify_and_convert_charseq(a, [b, c], _1746102)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_1801070, _1801072), once(user:catch(read_from_chars([a, b, c], _1746102), _1801046, fail)), '$restore_trace'(_1801070, _1801072))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_1801070, _1801072))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1801046, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(abc)
   Exit: (216) [system] atomic(abc)
^  Exit: (215) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1808570)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1810428)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _1817238)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1819942)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1829334)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1833048)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1834906)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1843374)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1833048)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1848944)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1857412)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1861126)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1862984)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1871452)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1861126)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1881670)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1882604)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1886396, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1890966)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1891900)
   Exit: (220) [system] peek_char((0x56051b6b4f40), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_1895692, v('(', ')', end_of_file), s)
   Call: (220) [system] ')'==s
   Call: (220) [system] get_char((0x56051b6b4f40), s)
   Exit: (220) [system] get_char((0x56051b6b4f40), s)
   Call: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1900262)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1901196)
   Exit: (221) [system] peek_char((0x56051b6b4f40), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_1904988, v('(', ')', end_of_file), j)
   Call: (221) [system] ')'==j
   Call: (221) [system] get_char((0x56051b6b4f40), j)
   Exit: (221) [system] get_char((0x56051b6b4f40), j)
   Call: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1909558)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1910492)
   Exit: (222) [system] peek_char((0x56051b6b4f40), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_1914284, v('(', ')', end_of_file), u)
   Call: (222) [system] ')'==u
   Call: (222) [system] get_char((0x56051b6b4f40), u)
   Exit: (222) [system] get_char((0x56051b6b4f40), u)
   Call: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1918854)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1919788)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1923580, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1928150)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1929084)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1932876, v('(', ')', end_of_file), c)
   Call: (224) [system] ')'==c
   Call: (224) [system] get_char((0x56051b6b4f40), c)
   Exit: (224) [system] get_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1937446)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1938380)
   Exit: (225) [system] peek_char((0x56051b6b4f40), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_1942172, v('(', ')', end_of_file), t)
   Call: (225) [system] ')'==t
   Call: (225) [system] get_char((0x56051b6b4f40), t)
   Exit: (225) [system] get_char((0x56051b6b4f40), t)
   Call: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1946742)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1947676)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1951468, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1956038)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1956972)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1960764, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1965334)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1966268)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1970060, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1974630)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1975564)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_1979356, v('(', ')', end_of_file), 'I')
   Call: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (229) [system] get_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1983926)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1984860)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1988652, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1993222)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1994156)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1997948, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2002518)
   Call: (232) [system] peek_char((0x56051b6b4f40), _2003452)
   Exit: (232) [system] peek_char((0x56051b6b4f40), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_2007244, v('(', ')', end_of_file), r)
   Call: (232) [system] ')'==r
   Call: (232) [system] get_char((0x56051b6b4f40), r)
   Exit: (232) [system] get_char((0x56051b6b4f40), r)
   Call: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2011814)
   Call: (233) [system] peek_char((0x56051b6b4f40), _2012748)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_2016540, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2021110)
   Call: (234) [system] peek_char((0x56051b6b4f40), _2022044)
   Exit: (234) [system] peek_char((0x56051b6b4f40), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_2025836, v('(', ')', end_of_file), d)
   Call: (234) [system] ')'==d
   Call: (234) [system] get_char((0x56051b6b4f40), d)
   Exit: (234) [system] get_char((0x56051b6b4f40), d)
   Call: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2030406)
   Call: (235) [system] peek_char((0x56051b6b4f40), _2031340)
   Exit: (235) [system] peek_char((0x56051b6b4f40), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_2035132, v('(', ')', end_of_file), u)
   Call: (235) [system] ')'==u
   Call: (235) [system] get_char((0x56051b6b4f40), u)
   Exit: (235) [system] get_char((0x56051b6b4f40), u)
   Call: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2039702)
   Call: (236) [system] peek_char((0x56051b6b4f40), _2040636)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_2044428, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2048998)
   Call: (237) [system] peek_char((0x56051b6b4f40), _2049932)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_2053724, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2058294)
   Call: (238) [system] peek_char((0x56051b6b4f40), _2059228)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_2063020, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2067590)
   Call: (239) [system] peek_char((0x56051b6b4f40), _2068524)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_2072316, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2076886)
   Call: (240) [system] peek_char((0x56051b6b4f40), _2077820)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_2081612, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2086182)
   Call: (241) [system] peek_char((0x56051b6b4f40), _2087116)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _2086182=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _2076886=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (239) [system] _5924=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (238) [system] _5920=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (237) [system] _5916=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (236) [system] _5912=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (235) [system] _5908=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (234) [system] _5904=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (233) [system] _5900=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _5896=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _5892=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _5888=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _5884=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _5880=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _5876=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _5872=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _5868=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _5864=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _5860=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _5856=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _5852=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _5848=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _5844=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5840)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_67084, _67086), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5840), _67060, fail)), '$restore_trace'(_67084, _67086))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_67084, _67086))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _5840), _67060, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_5840)
   Call: (219) [system] atom_chars(_5840, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _75536)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _77394)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _84204)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _86908)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(;)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _96300)
   Exit: (217) [system] peek_char((0x56051b6b4f40), c)
   Call: (217) [system] c=')'
   Call: (217) [system] c=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _100014)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _101872)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(;)
^  Call: (219) [user] is_like_space(c)
   Call: (220) [system] char_type(c, 'white')
   Call: (220) [system] char_type(c, end_of_line)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] char_type(c, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _110340)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c='('
   Call: (218) [system] c='['
   Call: (218) [system] c='{'
   Call: (218) [system] c='"'
   Call: (218) [system] c=!
   Call: (218) [system] c='\''
   Call: (218) [system] c='`'
   Call: (218) [system] c=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), c, _100014)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _120558)
   Call: (220) [system] peek_char((0x56051b6b4f40), _121492)
   Exit: (220) [system] peek_char((0x56051b6b4f40), d)
^  Call: (220) [user] is_delimiter(d)
   Call: (221) [system] char_type(d, space)
   Call: (221) [system] arg(_125284, v('(', ')', end_of_file), d)
   Call: (220) [system] ')'==d
   Call: (220) [system] get_char((0x56051b6b4f40), d)
   Exit: (220) [system] get_char((0x56051b6b4f40), d)
   Call: (220) [system] d=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _129854)
   Call: (221) [system] peek_char((0x56051b6b4f40), _130788)
   Exit: (221) [system] peek_char((0x56051b6b4f40), e)
^  Call: (221) [user] is_delimiter(e)
   Call: (222) [system] char_type(e, space)
   Call: (222) [system] arg(_134580, v('(', ')', end_of_file), e)
   Call: (221) [system] ')'==e
   Call: (221) [system] get_char((0x56051b6b4f40), e)
   Exit: (221) [system] get_char((0x56051b6b4f40), e)
   Call: (221) [system] e=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _139150)
   Call: (222) [system] peek_char((0x56051b6b4f40), _140084)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _139150=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _129854=[e]
   Exit: (221) [system] [e]=[e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (220) [system] _120558=[d, e]
   Exit: (220) [system] [d, e]=[d, e]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (219) [user] classify_and_convert_charseq(c, [d, e], _100014)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_154982, _154984), once(user:catch(read_from_chars([c, d, e], _100014), _154958, fail)), '$restore_trace'(_154982, _154984))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_154982, _154984))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _154958, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(cde)
   Exit: (220) [system] atomic(cde)
^  Exit: (219) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _162482)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _164340)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _171150)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _173854)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(;)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _183246)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
   Call: (218) [system] c=')'
   Call: (218) [system] c=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _186960)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _188818)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(;)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _197286)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c='('
   Call: (219) [system] c='['
   Call: (219) [system] c='{'
   Call: (219) [system] c='"'
   Call: (219) [system] c=!
   Call: (219) [system] c='\''
   Call: (219) [system] c='`'
   Call: (219) [system] c=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), c, _186960)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _207504)
   Call: (221) [system] peek_char((0x56051b6b4f40), _208438)
   Exit: (221) [system] peek_char((0x56051b6b4f40), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_212230, v('(', ')', end_of_file), d)
   Call: (221) [system] ')'==d
   Call: (221) [system] get_char((0x56051b6b4f40), d)
   Exit: (221) [system] get_char((0x56051b6b4f40), d)
   Call: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _216800)
   Call: (222) [system] peek_char((0x56051b6b4f40), _217734)
   Exit: (222) [system] peek_char((0x56051b6b4f40), e)
^  Call: (222) [user] is_delimiter(e)
   Call: (223) [system] char_type(e, space)
   Call: (223) [system] arg(_221526, v('(', ')', end_of_file), e)
   Call: (222) [system] ')'==e
   Call: (222) [system] get_char((0x56051b6b4f40), e)
   Exit: (222) [system] get_char((0x56051b6b4f40), e)
   Call: (222) [system] e=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _226096)
   Call: (223) [system] peek_char((0x56051b6b4f40), _227030)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_230822, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _226096=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _216800=[e]
   Exit: (222) [system] [e]=[e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (221) [system] _207504=[d, e]
   Exit: (221) [system] [d, e]=[d, e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (220) [user] classify_and_convert_charseq(c, [d, e], _186960)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_242872, _242874), once(user:catch(read_from_chars([c, d, e], _186960), _242848, fail)), '$restore_trace'(_242872, _242874))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_242872, _242874))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _242848, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(cde)
   Exit: (221) [system] atomic(cde)
^  Exit: (220) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _250372)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _252230)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _260698)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _264488)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _250372=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _162482=[cde]
   Exit: (218) [system] [cde]=[cde]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (217) [system] _75536=[cde, cde]
   Exit: (217) [system] [cde, cde]=[cde, cde]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [cde, cde])
   Call: (216) [system] _5834=['DisjunctionIntroduction', cde, cde]
   Exit: (216) [system] ['DisjunctionIntroduction', cde, cde]=['DisjunctionIntroduction', cde, cde]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, cde])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, cde])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _278370)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _280228)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _288696)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _292486)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _278370=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _5830=[['DisjunctionIntroduction', cde, cde]]
   Exit: (214) [system] [['DisjunctionIntroduction', cde, cde]]=[['DisjunctionIntroduction', cde, cde]]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', cde, cde]])
   Call: (213) [system] _5824=[abc, ['DisjunctionIntroduction', cde, cde]]
   Exit: (213) [system] [abc, ['DisjunctionIntroduction', cde, cde]]=[abc, ['DisjunctionIntroduction', cde, cde]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', cde, cde]])
   Call: (212) [system] _5816=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]
   Exit: (212) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _306368)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _308226)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _315036)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _317740)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _327132)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _330846)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _332704)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _341172)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _330846)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _346742)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (214) [system] 'O'=(;)
^  Call: (214) [user] is_like_space('O')
   Call: (215) [system] char_type('O', 'white')
   Call: (215) [system] char_type('O', end_of_line)
   Call: (215) [system] char_type('O', space)
   Call: (215) [system] char_type('O', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _355210)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (213) [system] 'O'=')'
   Call: (213) [system] 'O'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _358924)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _360782)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (215) [system] 'O'=(;)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _369250)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'O')
   Call: (214) [system] 'O'='('
   Call: (214) [system] 'O'='['
   Call: (214) [system] 'O'='{'
   Call: (214) [system] 'O'='"'
   Call: (214) [system] 'O'=!
   Call: (214) [system] 'O'='\''
   Call: (214) [system] 'O'='`'
   Call: (214) [system] 'O'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _358924)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _379468)
   Call: (216) [system] peek_char((0x56051b6b4f40), _380402)
   Exit: (216) [system] peek_char((0x56051b6b4f40), r)
^  Call: (216) [user] is_delimiter(r)
   Call: (217) [system] char_type(r, space)
   Call: (217) [system] arg(_384194, v('(', ')', end_of_file), r)
   Call: (216) [system] ')'==r
   Call: (216) [system] get_char((0x56051b6b4f40), r)
   Exit: (216) [system] get_char((0x56051b6b4f40), r)
   Call: (216) [system] r=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _388764)
   Call: (217) [system] peek_char((0x56051b6b4f40), _389698)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (217) [user] is_delimiter('L')
   Call: (218) [system] char_type('L', space)
   Call: (218) [system] arg(_393490, v('(', ')', end_of_file), 'L')
   Call: (217) [system] ')'=='L'
   Call: (217) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (217) [system] get_char((0x56051b6b4f40), 'L')
   Call: (217) [system] 'L'=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _398060)
   Call: (218) [system] peek_char((0x56051b6b4f40), _398994)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_402786, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _407356)
   Call: (219) [system] peek_char((0x56051b6b4f40), _408290)
   Exit: (219) [system] peek_char((0x56051b6b4f40), n)
^  Call: (219) [user] is_delimiter(n)
   Call: (220) [system] char_type(n, space)
   Call: (220) [system] arg(_412082, v('(', ')', end_of_file), n)
   Call: (219) [system] ')'==n
   Call: (219) [system] get_char((0x56051b6b4f40), n)
   Exit: (219) [system] get_char((0x56051b6b4f40), n)
   Call: (219) [system] n=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _416652)
   Call: (220) [system] peek_char((0x56051b6b4f40), _417586)
   Exit: (220) [system] peek_char((0x56051b6b4f40), k)
^  Call: (220) [user] is_delimiter(k)
   Call: (221) [system] char_type(k, space)
   Call: (221) [system] arg(_421378, v('(', ')', end_of_file), k)
   Call: (220) [system] ')'==k
   Call: (220) [system] get_char((0x56051b6b4f40), k)
   Exit: (220) [system] get_char((0x56051b6b4f40), k)
   Call: (220) [system] k=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _425948)
   Call: (221) [system] peek_char((0x56051b6b4f40), _426882)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _425948=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _416652=[k]
   Exit: (220) [system] [k]=[k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (219) [system] _407356=[n, k]
   Exit: (219) [system] [n, k]=[n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (218) [system] _398060=[i, n, k]
   Exit: (218) [system] [i, n, k]=[i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (217) [system] _388764=['L', i, n, k]
   Exit: (217) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (216) [system] _379468=[r, 'L', i, n, k]
   Exit: (216) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (215) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _358924)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_450162, _450164), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _358924), _450138, fail)), '$restore_trace'(_450162, _450164))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_450162, _450164))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _358924), _450138, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_358924)
   Call: (216) [system] atom_chars(_358924, ['O', r, 'L', i, n, k])
   Exit: (216) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (215) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _458614)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _460472)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _467282)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _469986)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _479378)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _483092)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _484950)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _493418)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _483092)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _498988)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'=(;)
^  Call: (217) [user] is_like_space('I')
   Call: (218) [system] char_type('I', 'white')
   Call: (218) [system] char_type('I', end_of_line)
   Call: (218) [system] char_type('I', space)
   Call: (218) [system] char_type('I', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _507456)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (216) [system] 'I'=')'
   Call: (216) [system] 'I'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _511170)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _513028)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'=(;)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _521496)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'='('
   Call: (217) [system] 'I'='['
   Call: (217) [system] 'I'='{'
   Call: (217) [system] 'I'='"'
   Call: (217) [system] 'I'=!
   Call: (217) [system] 'I'='\''
   Call: (217) [system] 'I'='`'
   Call: (217) [system] 'I'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _511170)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _531714)
   Call: (219) [system] peek_char((0x56051b6b4f40), _532648)
   Exit: (219) [system] peek_char((0x56051b6b4f40), m)
^  Call: (219) [user] is_delimiter(m)
   Call: (220) [system] char_type(m, space)
   Call: (220) [system] arg(_536440, v('(', ')', end_of_file), m)
   Call: (219) [system] ')'==m
   Call: (219) [system] get_char((0x56051b6b4f40), m)
   Exit: (219) [system] get_char((0x56051b6b4f40), m)
   Call: (219) [system] m=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _541010)
   Call: (220) [system] peek_char((0x56051b6b4f40), _541944)
   Exit: (220) [system] peek_char((0x56051b6b4f40), p)
^  Call: (220) [user] is_delimiter(p)
   Call: (221) [system] char_type(p, space)
   Call: (221) [system] arg(_545736, v('(', ')', end_of_file), p)
   Call: (220) [system] ')'==p
   Call: (220) [system] get_char((0x56051b6b4f40), p)
   Exit: (220) [system] get_char((0x56051b6b4f40), p)
   Call: (220) [system] p=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _550306)
   Call: (221) [system] peek_char((0x56051b6b4f40), _551240)
   Exit: (221) [system] peek_char((0x56051b6b4f40), l)
^  Call: (221) [user] is_delimiter(l)
   Call: (222) [system] char_type(l, space)
   Call: (222) [system] arg(_555032, v('(', ')', end_of_file), l)
   Call: (221) [system] ')'==l
   Call: (221) [system] get_char((0x56051b6b4f40), l)
   Exit: (221) [system] get_char((0x56051b6b4f40), l)
   Call: (221) [system] l=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _559602)
   Call: (222) [system] peek_char((0x56051b6b4f40), _560536)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_564328, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _568898)
   Call: (223) [system] peek_char((0x56051b6b4f40), _569832)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_573624, v('(', ')', end_of_file), c)
   Call: (223) [system] ')'==c
   Call: (223) [system] get_char((0x56051b6b4f40), c)
   Exit: (223) [system] get_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _578194)
   Call: (224) [system] peek_char((0x56051b6b4f40), _579128)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
^  Call: (224) [user] is_delimiter(a)
   Call: (225) [system] char_type(a, space)
   Call: (225) [system] arg(_582920, v('(', ')', end_of_file), a)
   Call: (224) [system] ')'==a
   Call: (224) [system] get_char((0x56051b6b4f40), a)
   Exit: (224) [system] get_char((0x56051b6b4f40), a)
   Call: (224) [system] a=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _587490)
   Call: (225) [system] peek_char((0x56051b6b4f40), _588424)
   Exit: (225) [system] peek_char((0x56051b6b4f40), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_592216, v('(', ')', end_of_file), t)
   Call: (225) [system] ')'==t
   Call: (225) [system] get_char((0x56051b6b4f40), t)
   Exit: (225) [system] get_char((0x56051b6b4f40), t)
   Call: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _596786)
   Call: (226) [system] peek_char((0x56051b6b4f40), _597720)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_601512, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _606082)
   Call: (227) [system] peek_char((0x56051b6b4f40), _607016)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_610808, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _615378)
   Call: (228) [system] peek_char((0x56051b6b4f40), _616312)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_620104, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _624674)
   Call: (229) [system] peek_char((0x56051b6b4f40), _625608)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _624674=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _615378=[n]
   Exit: (228) [system] [n]=[n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (227) [system] _606082=[o, n]
   Exit: (227) [system] [o, n]=[o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (226) [system] _596786=[i, o, n]
   Exit: (226) [system] [i, o, n]=[i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (225) [system] _587490=[t, i, o, n]
   Exit: (225) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (224) [system] _578194=[a, t, i, o, n]
   Exit: (224) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (223) [system] _568898=[c, a, t, i, o, n]
   Exit: (223) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (222) [system] _559602=[i, c, a, t, i, o, n]
   Exit: (222) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (221) [system] _550306=[l, i, c, a, t, i, o, n]
   Exit: (221) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (220) [system] _541010=[p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (219) [system] _531714=[m, p, l, i, c, a, t, i, o, n]
   Exit: (219) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _511170)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_662858, _662860), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _511170), _662834, fail)), '$restore_trace'(_662858, _662860))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_662858, _662860))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _511170), _662834, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_511170)
   Call: (219) [system] atom_chars(_511170, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (219) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _671310)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _673168)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _679978)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _682682)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _692074)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _695788)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _697646)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _706114)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _695788)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _711684)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'=(;)
^  Call: (220) [user] is_like_space('A')
   Call: (221) [system] char_type('A', 'white')
   Call: (221) [system] char_type('A', end_of_line)
   Call: (221) [system] char_type('A', space)
   Call: (221) [system] char_type('A', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _720152)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (219) [system] 'A'=')'
   Call: (219) [system] 'A'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _723866)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _725724)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _734192)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'='('
   Call: (220) [system] 'A'='['
   Call: (220) [system] 'A'='{'
   Call: (220) [system] 'A'='"'
   Call: (220) [system] 'A'=!
   Call: (220) [system] 'A'='\''
   Call: (220) [system] 'A'='`'
   Call: (220) [system] 'A'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _723866)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _744410)
   Call: (222) [system] peek_char((0x56051b6b4f40), _745344)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_749136, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _753706)
   Call: (223) [system] peek_char((0x56051b6b4f40), _754640)
   Exit: (223) [system] peek_char((0x56051b6b4f40), d)
^  Call: (223) [user] is_delimiter(d)
   Call: (224) [system] char_type(d, space)
   Call: (224) [system] arg(_758432, v('(', ')', end_of_file), d)
   Call: (223) [system] ')'==d
   Call: (223) [system] get_char((0x56051b6b4f40), d)
   Exit: (223) [system] get_char((0x56051b6b4f40), d)
   Call: (223) [system] d=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _763002)
   Call: (224) [system] peek_char((0x56051b6b4f40), _763936)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_767728, v('(', ')', end_of_file), 'L')
   Call: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (224) [system] get_char((0x56051b6b4f40), 'L')
   Call: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _772298)
   Call: (225) [system] peek_char((0x56051b6b4f40), _773232)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_777024, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _781594)
   Call: (226) [system] peek_char((0x56051b6b4f40), _782528)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_786320, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _790890)
   Call: (227) [system] peek_char((0x56051b6b4f40), _791824)
   Exit: (227) [system] peek_char((0x56051b6b4f40), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_795616, v('(', ')', end_of_file), k)
   Call: (227) [system] ')'==k
   Call: (227) [system] get_char((0x56051b6b4f40), k)
   Exit: (227) [system] get_char((0x56051b6b4f40), k)
   Call: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _800186)
   Call: (228) [system] peek_char((0x56051b6b4f40), _801120)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _800186=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _790890=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (226) [system] _781594=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (225) [system] _772298=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (224) [system] _763002=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (223) [system] _753706=[d, 'L', i, n, k]
   Exit: (223) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (222) [system] _744410=[n, d, 'L', i, n, k]
   Exit: (222) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _723866)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_827194, _827196), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _723866), _827170, fail)), '$restore_trace'(_827194, _827196))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_827194, _827196))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _723866), _827170, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_723866)
   Call: (222) [system] atom_chars(_723866, ['A', n, d, 'L', i, n, k])
   Exit: (222) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _835646)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _837504)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _844314)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _847018)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _856410)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _860124)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _861982)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _870450)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _860124)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _880668)
   Call: (223) [system] peek_char((0x56051b6b4f40), _881602)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _880668=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('A', [], _860124)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_890912, _890914), once(user:catch(read_from_chars(['A'], _860124), _890888, fail)), '$restore_trace'(_890912, _890914))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_890912, _890914))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _860124), _890888, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_860124)
   Call: (223) [system] atom_chars(_860124, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _899364)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _901222)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _908032)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _910736)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (223) [system] 'B'=(;)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _920128)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (221) [system] 'B'=')'
   Call: (221) [system] 'B'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _923842)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _925700)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (223) [system] 'B'=(;)
^  Call: (223) [user] is_like_space('B')
   Call: (224) [system] char_type('B', 'white')
   Call: (224) [system] char_type('B', end_of_line)
   Call: (224) [system] char_type('B', space)
   Call: (224) [system] char_type('B', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _934168)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'='('
   Call: (222) [system] 'B'='['
   Call: (222) [system] 'B'='{'
   Call: (222) [system] 'B'='"'
   Call: (222) [system] 'B'=!
   Call: (222) [system] 'B'='\''
   Call: (222) [system] 'B'='`'
   Call: (222) [system] 'B'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _923842)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _944386)
   Call: (224) [system] peek_char((0x56051b6b4f40), _945320)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_949112, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _944386=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq('B', [], _923842)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_955574, _955576), once(user:catch(read_from_chars(['B'], _923842), _955550, fail)), '$restore_trace'(_955574, _955576))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_955574, _955576))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _923842), _955550, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_923842)
   Call: (224) [system] atom_chars(_923842, ['B'])
   Exit: (224) [system] atom_chars('B', ['B'])
^  Exit: (223) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _964026)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _965884)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _974352)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _978142)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _964026=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _899364=['B']
   Exit: (221) [system] ['B']=['B']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (220) [system] _835646=['A', 'B']
   Exit: (220) [system] ['A', 'B']=['A', 'B']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (219) [system] _695788=['AndLink', 'A', 'B']
   Exit: (219) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _992024)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _993882)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1000692)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1003396)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (220) [system] 'C'=(;)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1012788)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (218) [system] 'C'=')'
   Call: (218) [system] 'C'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1016502)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1018360)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (220) [system] 'C'=(;)
^  Call: (220) [user] is_like_space('C')
   Call: (221) [system] char_type('C', 'white')
   Call: (221) [system] char_type('C', end_of_line)
   Call: (221) [system] char_type('C', space)
   Call: (221) [system] char_type('C', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1026828)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'C')
   Call: (219) [system] 'C'='('
   Call: (219) [system] 'C'='['
   Call: (219) [system] 'C'='{'
   Call: (219) [system] 'C'='"'
   Call: (219) [system] 'C'=!
   Call: (219) [system] 'C'='\''
   Call: (219) [system] 'C'='`'
   Call: (219) [system] 'C'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1016502)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1037046)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1037980)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (221) [user] is_delimiter(')')
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] arg(_1041772, v('(', ')', end_of_file), ')')
   Exit: (222) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (221) [user] is_delimiter(')')
   Call: (221) [system] _1037046=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (220) [user] classify_and_convert_charseq('C', [], _1016502)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1048234, _1048236), once(user:catch(read_from_chars(['C'], _1016502), _1048210, fail)), '$restore_trace'(_1048234, _1048236))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1048234, _1048236))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1016502), _1048210, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1016502)
   Call: (221) [system] atom_chars(_1016502, ['C'])
   Exit: (221) [system] atom_chars('C', ['C'])
^  Exit: (220) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1056686)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1058544)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1067012)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _1070802)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _1056686=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _992024=['C']
   Exit: (218) [system] ['C']=['C']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (217) [system] _671310=[['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (216) [system] _483092=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (216) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1084684)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1086542)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1093352)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1096056)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1105448)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1109162)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1111020)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1119488)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1109162)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1125058)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1133526)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1137240)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1139098)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1147566)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1137240)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1157784)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1158718)
   Exit: (220) [system] peek_char((0x56051b6b4f40), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_1162510, v('(', ')', end_of_file), r)
   Call: (220) [system] ')'==r
   Call: (220) [system] get_char((0x56051b6b4f40), r)
   Exit: (220) [system] get_char((0x56051b6b4f40), r)
   Call: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1167080)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1168014)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_1171806, v('(', ')', end_of_file), 'L')
   Call: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (221) [system] get_char((0x56051b6b4f40), 'L')
   Call: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1176376)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1177310)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1181102, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1185672)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1186606)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1190398, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1194968)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1195902)
   Exit: (224) [system] peek_char((0x56051b6b4f40), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_1199694, v('(', ')', end_of_file), k)
   Call: (224) [system] ')'==k
   Call: (224) [system] get_char((0x56051b6b4f40), k)
   Exit: (224) [system] get_char((0x56051b6b4f40), k)
   Call: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1204264)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1205198)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1204264=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1194968=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (223) [system] _1185672=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (222) [system] _1176376=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (221) [system] _1167080=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (220) [system] _1157784=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1137240)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1228478, _1228480), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1137240), _1228454, fail)), '$restore_trace'(_1228478, _1228480))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1228478, _1228480))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1137240), _1228454, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1137240)
   Call: (220) [system] atom_chars(_1137240, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1236930)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1238788)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1245598)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1248302)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1257694)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1261408)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1263266)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1271734)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1261408)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1277304)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1285772)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1289486)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1291344)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1299812)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1289486)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1310030)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1310964)
   Exit: (223) [system] peek_char((0x56051b6b4f40), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_1314756, v('(', ')', end_of_file), m)
   Call: (223) [system] ')'==m
   Call: (223) [system] get_char((0x56051b6b4f40), m)
   Exit: (223) [system] get_char((0x56051b6b4f40), m)
   Call: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1319326)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1320260)
   Exit: (224) [system] peek_char((0x56051b6b4f40), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_1324052, v('(', ')', end_of_file), p)
   Call: (224) [system] ')'==p
   Call: (224) [system] get_char((0x56051b6b4f40), p)
   Exit: (224) [system] get_char((0x56051b6b4f40), p)
   Call: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1328622)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1329556)
   Exit: (225) [system] peek_char((0x56051b6b4f40), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_1333348, v('(', ')', end_of_file), l)
   Call: (225) [system] ')'==l
   Call: (225) [system] get_char((0x56051b6b4f40), l)
   Exit: (225) [system] get_char((0x56051b6b4f40), l)
   Call: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1337918)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1338852)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1342644, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1347214)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1348148)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1351940, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1356510)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1357444)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_1361236, v('(', ')', end_of_file), a)
   Call: (228) [system] ')'==a
   Call: (228) [system] get_char((0x56051b6b4f40), a)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1365806)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1366740)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1370532, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1375102)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1376036)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1379828, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1384398)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1385332)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1389124, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1393694)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1394628)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1398420, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1402990)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1403924)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1402990=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _1393694=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (231) [system] _1384398=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (230) [system] _1375102=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (229) [system] _1365806=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (228) [system] _1356510=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (227) [system] _1347214=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (226) [system] _1337918=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (225) [system] _1328622=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _1319326=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _1310030=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1289486)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1441174, _1441176), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1289486), _1441150, fail)), '$restore_trace'(_1441174, _1441176))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1441174, _1441176))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1289486), _1441150, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1289486)
   Call: (223) [system] atom_chars(_1289486, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1449626)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1451484)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1458294)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1460998)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1470390)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1474104)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1475962)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1484430)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1474104)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1490000)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1498468)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1502182)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1504040)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1512508)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1502182)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1522726)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1523660)
   Exit: (226) [system] peek_char((0x56051b6b4f40), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1527452, v('(', ')', end_of_file), r)
   Call: (226) [system] ')'==r
   Call: (226) [system] get_char((0x56051b6b4f40), r)
   Exit: (226) [system] get_char((0x56051b6b4f40), r)
   Call: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1532022)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1532956)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1536748, v('(', ')', end_of_file), 'L')
   Call: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'L')
   Call: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1541318)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1542252)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1546044, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1550614)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1551548)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1555340, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1559910)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1560844)
   Exit: (230) [system] peek_char((0x56051b6b4f40), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1564636, v('(', ')', end_of_file), k)
   Call: (230) [system] ')'==k
   Call: (230) [system] get_char((0x56051b6b4f40), k)
   Exit: (230) [system] get_char((0x56051b6b4f40), k)
   Call: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1569206)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1570140)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1569206=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1559910=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (229) [system] _1550614=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (228) [system] _1541318=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (227) [system] _1532022=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (226) [system] _1522726=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1502182)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1593420, _1593422), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1502182), _1593396, fail)), '$restore_trace'(_1593420, _1593422))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1593420, _1593422))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1502182), _1593396, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1502182)
   Call: (226) [system] atom_chars(_1502182, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1601872)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1603730)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1610540)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1613244)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1622636)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1626350)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1628208)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1636676)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1626350)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1646894)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1647828)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1646894=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('C', [], _1626350)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1657138, _1657140), once(user:catch(read_from_chars(['C'], _1626350), _1657114, fail)), '$restore_trace'(_1657138, _1657140))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1657138, _1657140))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1626350), _1657114, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1626350)
   Call: (227) [system] atom_chars(_1626350, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1665590)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1667448)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1674258)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1676962)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1686354)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1690068)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1691926)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1700394)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1690068)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1710612)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1711546)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1715338, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1710612=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('D', [], _1690068)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1721800, _1721802), once(user:catch(read_from_chars(['D'], _1690068), _1721776, fail)), '$restore_trace'(_1721800, _1721802))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1721800, _1721802))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1690068), _1721776, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1690068)
   Call: (228) [system] atom_chars(_1690068, ['D'])
   Exit: (228) [system] atom_chars('D', ['D'])
^  Exit: (227) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1730252)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1732110)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1740578)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _1744368)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _1730252=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1665590=['D']
   Exit: (225) [system] ['D']=['D']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (224) [system] _1601872=['C', 'D']
   Exit: (224) [system] ['C', 'D']=['C', 'D']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (223) [system] _1474104=['OrLink', 'C', 'D']
   Exit: (223) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1758250)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1760108)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1766918)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1769622)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (224) [system] 'E'=(;)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1779014)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (222) [system] 'E'=')'
   Call: (222) [system] 'E'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1782728)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1784586)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (224) [system] 'E'=(;)
^  Call: (224) [user] is_like_space('E')
   Call: (225) [system] char_type('E', 'white')
   Call: (225) [system] char_type('E', end_of_line)
   Call: (225) [system] char_type('E', space)
   Call: (225) [system] char_type('E', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1793054)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'E')
   Call: (223) [system] 'E'='('
   Call: (223) [system] 'E'='['
   Call: (223) [system] 'E'='{'
   Call: (223) [system] 'E'='"'
   Call: (223) [system] 'E'=!
   Call: (223) [system] 'E'='\''
   Call: (223) [system] 'E'='`'
   Call: (223) [system] 'E'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1782728)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1803272)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1804206)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1807998, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1803272=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('E', [], _1782728)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1814460, _1814462), once(user:catch(read_from_chars(['E'], _1782728), _1814436, fail)), '$restore_trace'(_1814460, _1814462))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1814460, _1814462))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1782728), _1814436, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1782728)
   Call: (225) [system] atom_chars(_1782728, ['E'])
   Exit: (225) [system] atom_chars('E', ['E'])
^  Exit: (224) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1822912)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1824770)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1833238)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _1837028)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _1822912=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1758250=['E']
   Exit: (222) [system] ['E']=['E']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (221) [system] _1449626=[['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (220) [system] _1261408=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (220) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1850910)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1852768)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1859578)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1862282)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1871674)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1875388)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1877246)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1885714)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1875388)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1891284)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1899752)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1903466)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1905324)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1913792)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1903466)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1924010)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1924944)
   Exit: (224) [system] peek_char((0x56051b6b4f40), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_1928736, v('(', ')', end_of_file), m)
   Call: (224) [system] ')'==m
   Call: (224) [system] get_char((0x56051b6b4f40), m)
   Exit: (224) [system] get_char((0x56051b6b4f40), m)
   Call: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1933306)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1934240)
   Exit: (225) [system] peek_char((0x56051b6b4f40), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_1938032, v('(', ')', end_of_file), p)
   Call: (225) [system] ')'==p
   Call: (225) [system] get_char((0x56051b6b4f40), p)
   Exit: (225) [system] get_char((0x56051b6b4f40), p)
   Call: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1942602)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1943536)
   Exit: (226) [system] peek_char((0x56051b6b4f40), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_1947328, v('(', ')', end_of_file), l)
   Call: (226) [system] ')'==l
   Call: (226) [system] get_char((0x56051b6b4f40), l)
   Exit: (226) [system] get_char((0x56051b6b4f40), l)
   Call: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1951898)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1952832)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1956624, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1961194)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1962128)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1965920, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1970490)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1971424)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_1975216, v('(', ')', end_of_file), a)
   Call: (229) [system] ')'==a
   Call: (229) [system] get_char((0x56051b6b4f40), a)
   Exit: (229) [system] get_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1979786)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1980720)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1984512, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1989082)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1990016)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1993808, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1998378)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1999312)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_2003104, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2007674)
   Call: (233) [system] peek_char((0x56051b6b4f40), _2008608)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_2012400, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2016970)
   Call: (234) [system] peek_char((0x56051b6b4f40), _2017904)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _2016970=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _2007674=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (232) [system] _1998378=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (231) [system] _1989082=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (230) [system] _1979786=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (229) [system] _1970490=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (228) [system] _1961194=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (227) [system] _1951898=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (226) [system] _1942602=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _1933306=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _1924010=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1903466)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_2055154, _2055156), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1903466), _2055130, fail)), '$restore_trace'(_2055154, _2055156))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_2055154, _2055156))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1903466), _2055130, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1903466)
   Call: (224) [system] atom_chars(_1903466, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _2063606)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _2065464)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _2072274)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _2074978)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _2084370)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _2088084)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _2089942)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _7578)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _5978)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _13148)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _21616)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _25330)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _27188)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _35656)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _25330)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _45874)
   Call: (227) [system] peek_char((0x56051b6b4f40), _46808)
   Exit: (227) [system] peek_char((0x56051b6b4f40), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_50600, v('(', ')', end_of_file), r)
   Call: (227) [system] ')'==r
   Call: (227) [system] get_char((0x56051b6b4f40), r)
   Exit: (227) [system] get_char((0x56051b6b4f40), r)
   Call: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _55170)
   Call: (228) [system] peek_char((0x56051b6b4f40), _56104)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_59896, v('(', ')', end_of_file), 'L')
   Call: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (228) [system] get_char((0x56051b6b4f40), 'L')
   Call: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _64466)
   Call: (229) [system] peek_char((0x56051b6b4f40), _65400)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_69192, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _73762)
   Call: (230) [system] peek_char((0x56051b6b4f40), _74696)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_78488, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _83058)
   Call: (231) [system] peek_char((0x56051b6b4f40), _83992)
   Exit: (231) [system] peek_char((0x56051b6b4f40), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_87784, v('(', ')', end_of_file), k)
   Call: (231) [system] ')'==k
   Call: (231) [system] get_char((0x56051b6b4f40), k)
   Exit: (231) [system] get_char((0x56051b6b4f40), k)
   Call: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _92354)
   Call: (232) [system] peek_char((0x56051b6b4f40), _93288)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _92354=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _83058=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (230) [system] _73762=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (229) [system] _64466=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (228) [system] _55170=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (227) [system] _45874=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _25330)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_116568, _116570), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _25330), _116544, fail)), '$restore_trace'(_116568, _116570))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_116568, _116570))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _25330), _116544, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_25330)
   Call: (227) [system] atom_chars(_25330, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _125020)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _126878)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _133688)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _136392)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _145784)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _149498)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _151356)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _159824)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _149498)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _170042)
   Call: (228) [system] peek_char((0x56051b6b4f40), _170976)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _170042=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('C', [], _149498)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_180286, _180288), once(user:catch(read_from_chars(['C'], _149498), _180262, fail)), '$restore_trace'(_180286, _180288))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_180286, _180288))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _149498), _180262, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_149498)
   Call: (228) [system] atom_chars(_149498, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _188738)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _190596)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _197406)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _200110)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _209502)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _213216)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _215074)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _223542)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _213216)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _233760)
   Call: (229) [system] peek_char((0x56051b6b4f40), _234694)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_238486, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _233760=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('D', [], _213216)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_244948, _244950), once(user:catch(read_from_chars(['D'], _213216), _244924, fail)), '$restore_trace'(_244948, _244950))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_244948, _244950))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _213216), _244924, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_213216)
   Call: (229) [system] atom_chars(_213216, ['D'])
   Exit: (229) [system] atom_chars('D', ['D'])
^  Exit: (228) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _253400)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _255258)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _263726)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _267516)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _253400=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _188738=['D']
   Exit: (226) [system] ['D']=['D']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (225) [system] _125020=['C', 'D']
   Exit: (225) [system] ['C', 'D']=['C', 'D']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (224) [system] _5978=['OrLink', 'C', 'D']
   Exit: (224) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _281398)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _283256)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _290066)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _292770)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (225) [system] 'E'=(;)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _302162)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (223) [system] 'E'=')'
   Call: (223) [system] 'E'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _305876)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _307734)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (225) [system] 'E'=(;)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _316202)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'E')
   Call: (224) [system] 'E'='('
   Call: (224) [system] 'E'='['
   Call: (224) [system] 'E'='{'
   Call: (224) [system] 'E'='"'
   Call: (224) [system] 'E'=!
   Call: (224) [system] 'E'='\''
   Call: (224) [system] 'E'='`'
   Call: (224) [system] 'E'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _305876)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _326420)
   Call: (226) [system] peek_char((0x56051b6b4f40), _327354)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_331146, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _326420=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('E', [], _305876)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_337608, _337610), once(user:catch(read_from_chars(['E'], _305876), _337584, fail)), '$restore_trace'(_337608, _337610))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_337608, _337610))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _305876), _337584, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_305876)
   Call: (226) [system] atom_chars(_305876, ['E'])
   Exit: (226) [system] atom_chars('E', ['E'])
^  Exit: (225) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _346060)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _347918)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _356386)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _360176)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _346060=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _281398=['E']
   Exit: (223) [system] ['E']=['E']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (222) [system] _5974=[['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (221) [system] _5966=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _374058)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _375916)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _384384)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _388174)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _374058=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _5962=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (219) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (218) [system] _5920=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (218) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (217) [system] _5912=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (217) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _402056)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _403914)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _412382)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _416172)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _402056=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _5908=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (215) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (214) [system] _5866=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (214) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (213) [system] _5858=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (213) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _430054)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _431912)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=(;)
^  Call: (213) [user] is_like_space(')')
   Call: (214) [system] char_type(')', 'white')
   Call: (214) [system] char_type(')', end_of_line)
   Call: (214) [system] char_type(')', space)
   Call: (214) [system] char_type(')', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _440380)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ')')
   Call: (212) [system] ')'=')'
   Exit: (212) [system] ')'=')'
   Call: (212) [system] get_char((0x56051b6b4f40), _444170)
   Exit: (212) [system] get_char((0x56051b6b4f40), ')')
   Call: (212) [system] _430054=[]
   Exit: (212) [system] []=[]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (211) [system] _5854=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (211) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (210) [system] _5812=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (210) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (209) [system] _5804=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (209) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (208) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (207) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (207) [user] read_list(')', (0x56051b6b4f40), _458052)
^  Call: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _459910)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (209) [system] '\n'=(;)
^  Call: (209) [user] is_like_space('\n')
   Call: (210) [system] char_type('\n', 'white')
   Call: (210) [system] char_type('\n', end_of_line)
   Exit: (210) [system] char_type('\n', end_of_line)
^  Exit: (209) [user] is_like_space('\n')
   Call: (209) [system] get_char((0x56051b6b4f40), _467526)
   Exit: (209) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _470230)
   Exit: (210) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (210) [system] ' '=(;)
^  Call: (210) [user] is_like_space(' ')
   Call: (211) [system] char_type(' ', 'white')
   Exit: (211) [system] char_type(' ', 'white')
^  Exit: (210) [user] is_like_space(' ')
   Call: (210) [system] get_char((0x56051b6b4f40), _477040)
   Exit: (210) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _479744)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (208) [user] skip_spaces((0x56051b6b4f40))
   Call: (208) [system] peek_char((0x56051b6b4f40), _490060)
   Exit: (208) [system] peek_char((0x56051b6b4f40), '(')
   Call: (208) [system] '('=')'
   Call: (208) [system] '('=end_of_file
^  Call: (208) [user] cont_sexpr(')', (0x56051b6b4f40), _493774)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _495632)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=(;)
^  Call: (210) [user] is_like_space('(')
   Call: (211) [system] char_type('(', 'white')
   Call: (211) [system] char_type('(', end_of_line)
   Call: (211) [system] char_type('(', space)
   Call: (211) [system] char_type('(', cntrl)
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] get_char((0x56051b6b4f40), _504100)
   Exit: (209) [system] get_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('='('
   Exit: (209) [system] '('='('
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _493774)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _509670)
   Exit: (211) [system] peek_char((0x56051b6b4f40), :)
   Call: (211) [system] (:)=(;)
^  Call: (211) [user] is_like_space(:)
   Call: (212) [system] char_type(:, 'white')
   Call: (212) [system] char_type(:, end_of_line)
   Call: (212) [system] char_type(:, space)
   Call: (212) [system] char_type(:, cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _518138)
   Exit: (210) [system] peek_char((0x56051b6b4f40), :)
   Call: (210) [system] (:)=')'
   Call: (210) [system] (:)=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _521852)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _523710)
   Exit: (212) [system] peek_char((0x56051b6b4f40), :)
   Call: (212) [system] (:)=(;)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _532178)
   Exit: (211) [system] get_char((0x56051b6b4f40), :)
   Call: (211) [system] (:)='('
   Call: (211) [system] (:)='['
   Call: (211) [system] (:)='{'
   Call: (211) [system] (:)='"'
   Call: (211) [system] (:)=!
   Call: (211) [system] (:)='\''
   Call: (211) [system] (:)='`'
   Call: (211) [system] (:)=end_of_file
^  Call: (211) [user] read_symbolic(')', (0x56051b6b4f40), :, _521852)
^  Call: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), _542396)
   Call: (213) [system] peek_char((0x56051b6b4f40), _543330)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] is_delimiter(' ')
   Call: (214) [system] char_type(' ', space)
   Exit: (214) [system] char_type(' ', space)
^  Exit: (213) [user] is_delimiter(' ')
   Call: (213) [system] _542396=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (212) [user] classify_and_convert_charseq(:, [], _521852)
^  Call: (214) [system] setup_call_cleanup('$notrace'(_552640, _552642), once(user:catch(read_from_chars([:], _521852), _552616, fail)), '$restore_trace'(_552640, _552642))
^  Call: (215) [system] sig_atomic(system:'$notrace'(_552640, _552642))
^  Exit: (214) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _552616, fail)), system:'$restore_trace'(3, -1))
   Call: (213) [system] atomic(:)
   Exit: (213) [system] atomic(:)
^  Exit: (212) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (211) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _560140)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _561998)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _568808)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _571512)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _580904)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _584618)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _586476)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _594944)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _584618)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _600514)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'=(;)
^  Call: (214) [user] is_like_space('D')
   Call: (215) [system] char_type('D', 'white')
   Call: (215) [system] char_type('D', end_of_line)
   Call: (215) [system] char_type('D', space)
   Call: (215) [system] char_type('D', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _608982)
   Exit: (213) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (213) [system] 'D'=')'
   Call: (213) [system] 'D'=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _612696)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _614554)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _623022)
   Exit: (214) [system] get_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'='('
   Call: (214) [system] 'D'='['
   Call: (214) [system] 'D'='{'
   Call: (214) [system] 'D'='"'
   Call: (214) [system] 'D'=!
   Call: (214) [system] 'D'='\''
   Call: (214) [system] 'D'='`'
   Call: (214) [system] 'D'=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _612696)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _633240)
   Call: (216) [system] peek_char((0x56051b6b4f40), _634174)
   Exit: (216) [system] peek_char((0x56051b6b4f40), i)
^  Call: (216) [user] is_delimiter(i)
   Call: (217) [system] char_type(i, space)
   Call: (217) [system] arg(_637966, v('(', ')', end_of_file), i)
   Call: (216) [system] ')'==i
   Call: (216) [system] get_char((0x56051b6b4f40), i)
   Exit: (216) [system] get_char((0x56051b6b4f40), i)
   Call: (216) [system] i=(\)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _642536)
   Call: (217) [system] peek_char((0x56051b6b4f40), _643470)
   Exit: (217) [system] peek_char((0x56051b6b4f40), s)
^  Call: (217) [user] is_delimiter(s)
   Call: (218) [system] char_type(s, space)
   Call: (218) [system] arg(_647262, v('(', ')', end_of_file), s)
   Call: (217) [system] ')'==s
   Call: (217) [system] get_char((0x56051b6b4f40), s)
   Exit: (217) [system] get_char((0x56051b6b4f40), s)
   Call: (217) [system] s=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _651832)
   Call: (218) [system] peek_char((0x56051b6b4f40), _652766)
   Exit: (218) [system] peek_char((0x56051b6b4f40), j)
^  Call: (218) [user] is_delimiter(j)
   Call: (219) [system] char_type(j, space)
   Call: (219) [system] arg(_656558, v('(', ')', end_of_file), j)
   Call: (218) [system] ')'==j
   Call: (218) [system] get_char((0x56051b6b4f40), j)
   Exit: (218) [system] get_char((0x56051b6b4f40), j)
   Call: (218) [system] j=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _661128)
   Call: (219) [system] peek_char((0x56051b6b4f40), _662062)
   Exit: (219) [system] peek_char((0x56051b6b4f40), u)
^  Call: (219) [user] is_delimiter(u)
   Call: (220) [system] char_type(u, space)
   Call: (220) [system] arg(_665854, v('(', ')', end_of_file), u)
   Call: (219) [system] ')'==u
   Call: (219) [system] get_char((0x56051b6b4f40), u)
   Exit: (219) [system] get_char((0x56051b6b4f40), u)
   Call: (219) [system] u=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _670424)
   Call: (220) [system] peek_char((0x56051b6b4f40), _671358)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_675150, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _679720)
   Call: (221) [system] peek_char((0x56051b6b4f40), _680654)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_684446, v('(', ')', end_of_file), c)
   Call: (221) [system] ')'==c
   Call: (221) [system] get_char((0x56051b6b4f40), c)
   Exit: (221) [system] get_char((0x56051b6b4f40), c)
   Call: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _689016)
   Call: (222) [system] peek_char((0x56051b6b4f40), _689950)
   Exit: (222) [system] peek_char((0x56051b6b4f40), t)
^  Call: (222) [user] is_delimiter(t)
   Call: (223) [system] char_type(t, space)
   Call: (223) [system] arg(_693742, v('(', ')', end_of_file), t)
   Call: (222) [system] ')'==t
   Call: (222) [system] get_char((0x56051b6b4f40), t)
   Exit: (222) [system] get_char((0x56051b6b4f40), t)
   Call: (222) [system] t=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _698312)
   Call: (223) [system] peek_char((0x56051b6b4f40), _699246)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_703038, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _707608)
   Call: (224) [system] peek_char((0x56051b6b4f40), _708542)
   Exit: (224) [system] peek_char((0x56051b6b4f40), o)
^  Call: (224) [user] is_delimiter(o)
   Call: (225) [system] char_type(o, space)
   Call: (225) [system] arg(_712334, v('(', ')', end_of_file), o)
   Call: (224) [system] ')'==o
   Call: (224) [system] get_char((0x56051b6b4f40), o)
   Exit: (224) [system] get_char((0x56051b6b4f40), o)
   Call: (224) [system] o=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _716904)
   Call: (225) [system] peek_char((0x56051b6b4f40), _717838)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_721630, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _726200)
   Call: (226) [system] peek_char((0x56051b6b4f40), _727134)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (226) [user] is_delimiter('I')
   Call: (227) [system] char_type('I', space)
   Call: (227) [system] arg(_730926, v('(', ')', end_of_file), 'I')
   Call: (226) [system] ')'=='I'
   Call: (226) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (226) [system] get_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _735496)
   Call: (227) [system] peek_char((0x56051b6b4f40), _736430)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_740222, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _744792)
   Call: (228) [system] peek_char((0x56051b6b4f40), _745726)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_749518, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _754088)
   Call: (229) [system] peek_char((0x56051b6b4f40), _755022)
   Exit: (229) [system] peek_char((0x56051b6b4f40), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_758814, v('(', ')', end_of_file), r)
   Call: (229) [system] ')'==r
   Call: (229) [system] get_char((0x56051b6b4f40), r)
   Exit: (229) [system] get_char((0x56051b6b4f40), r)
   Call: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _763384)
   Call: (230) [system] peek_char((0x56051b6b4f40), _764318)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_768110, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _772680)
   Call: (231) [system] peek_char((0x56051b6b4f40), _773614)
   Exit: (231) [system] peek_char((0x56051b6b4f40), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_777406, v('(', ')', end_of_file), d)
   Call: (231) [system] ')'==d
   Call: (231) [system] get_char((0x56051b6b4f40), d)
   Exit: (231) [system] get_char((0x56051b6b4f40), d)
   Call: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _781976)
   Call: (232) [system] peek_char((0x56051b6b4f40), _782910)
   Exit: (232) [system] peek_char((0x56051b6b4f40), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_786702, v('(', ')', end_of_file), u)
   Call: (232) [system] ')'==u
   Call: (232) [system] get_char((0x56051b6b4f40), u)
   Exit: (232) [system] get_char((0x56051b6b4f40), u)
   Call: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _791272)
   Call: (233) [system] peek_char((0x56051b6b4f40), _792206)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_795998, v('(', ')', end_of_file), c)
   Call: (233) [system] ')'==c
   Call: (233) [system] get_char((0x56051b6b4f40), c)
   Exit: (233) [system] get_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _800568)
   Call: (234) [system] peek_char((0x56051b6b4f40), _801502)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_805294, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _809864)
   Call: (235) [system] peek_char((0x56051b6b4f40), _810798)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_814590, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _819160)
   Call: (236) [system] peek_char((0x56051b6b4f40), _820094)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_823886, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _828456)
   Call: (237) [system] peek_char((0x56051b6b4f40), _829390)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_833182, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _837752)
   Call: (238) [system] peek_char((0x56051b6b4f40), _838686)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _837752=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _828456=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (236) [system] _819160=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (235) [system] _809864=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (234) [system] _800568=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (233) [system] _791272=[c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (232) [system] _781976=[u, c, t, i, o, n]
   Exit: (232) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (231) [system] _772680=[d, u, c, t, i, o, n]
   Exit: (231) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (230) [system] _763384=[o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (229) [system] _754088=[r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _744792=[t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _735496=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _726200=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _716904=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _707608=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _698312=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _689016=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _679720=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _670424=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _661128=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _651832=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _642536=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (216) [system] _633240=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (216) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (215) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _612696)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_909464, _909466), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _612696), _909440, fail)), '$restore_trace'(_909464, _909466))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_909464, _909466))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _612696), _909440, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(_612696)
   Call: (216) [system] atom_chars(_612696, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (216) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (215) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _917916)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _919774)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _926584)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _929288)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _938680)
   Exit: (214) [system] peek_char((0x56051b6b4f40), a)
   Call: (214) [system] a=')'
   Call: (214) [system] a=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _942394)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _944252)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=(;)
^  Call: (216) [user] is_like_space(a)
   Call: (217) [system] char_type(a, 'white')
   Call: (217) [system] char_type(a, end_of_line)
   Call: (217) [system] char_type(a, space)
   Call: (217) [system] char_type(a, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _952720)
   Exit: (215) [system] get_char((0x56051b6b4f40), a)
   Call: (215) [system] a='('
   Call: (215) [system] a='['
   Call: (215) [system] a='{'
   Call: (215) [system] a='"'
   Call: (215) [system] a=!
   Call: (215) [system] a='\''
   Call: (215) [system] a='`'
   Call: (215) [system] a=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), a, _942394)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _962938)
   Call: (217) [system] peek_char((0x56051b6b4f40), _963872)
   Exit: (217) [system] peek_char((0x56051b6b4f40), b)
^  Call: (217) [user] is_delimiter(b)
   Call: (218) [system] char_type(b, space)
   Call: (218) [system] arg(_967664, v('(', ')', end_of_file), b)
   Call: (217) [system] ')'==b
   Call: (217) [system] get_char((0x56051b6b4f40), b)
   Exit: (217) [system] get_char((0x56051b6b4f40), b)
   Call: (217) [system] b=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _972234)
   Call: (218) [system] peek_char((0x56051b6b4f40), _973168)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
^  Call: (218) [user] is_delimiter(c)
   Call: (219) [system] char_type(c, space)
   Call: (219) [system] arg(_976960, v('(', ')', end_of_file), c)
   Call: (218) [system] ')'==c
   Call: (218) [system] get_char((0x56051b6b4f40), c)
   Exit: (218) [system] get_char((0x56051b6b4f40), c)
   Call: (218) [system] c=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _981530)
   Call: (219) [system] peek_char((0x56051b6b4f40), _982464)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _981530=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (218) [system] _972234=[c]
   Exit: (218) [system] [c]=[c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (217) [system] _962938=[b, c]
   Exit: (217) [system] [b, c]=[b, c]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (216) [user] classify_and_convert_charseq(a, [b, c], _942394)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_997362, _997364), once(user:catch(read_from_chars([a, b, c], _942394), _997338, fail)), '$restore_trace'(_997362, _997364))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_997362, _997364))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _997338, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(abc)
   Exit: (217) [system] atomic(abc)
^  Exit: (216) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1004862)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1006720)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1013530)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1016234)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1025626)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1029340)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1031198)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1039666)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1029340)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1045236)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1053704)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1057418)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1059276)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1067744)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1057418)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1077962)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1078896)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_1082688, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1087258)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1088192)
   Exit: (221) [system] peek_char((0x56051b6b4f40), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_1091984, v('(', ')', end_of_file), s)
   Call: (221) [system] ')'==s
   Call: (221) [system] get_char((0x56051b6b4f40), s)
   Exit: (221) [system] get_char((0x56051b6b4f40), s)
   Call: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1096554)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1097488)
   Exit: (222) [system] peek_char((0x56051b6b4f40), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_1101280, v('(', ')', end_of_file), j)
   Call: (222) [system] ')'==j
   Call: (222) [system] get_char((0x56051b6b4f40), j)
   Exit: (222) [system] get_char((0x56051b6b4f40), j)
   Call: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1105850)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1106784)
   Exit: (223) [system] peek_char((0x56051b6b4f40), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_1110576, v('(', ')', end_of_file), u)
   Call: (223) [system] ')'==u
   Call: (223) [system] get_char((0x56051b6b4f40), u)
   Exit: (223) [system] get_char((0x56051b6b4f40), u)
   Call: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1115146)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1116080)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1119872, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1124442)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1125376)
   Exit: (225) [system] peek_char((0x56051b6b4f40), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1129168, v('(', ')', end_of_file), c)
   Call: (225) [system] ')'==c
   Call: (225) [system] get_char((0x56051b6b4f40), c)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1133738)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1134672)
   Exit: (226) [system] peek_char((0x56051b6b4f40), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1138464, v('(', ')', end_of_file), t)
   Call: (226) [system] ')'==t
   Call: (226) [system] get_char((0x56051b6b4f40), t)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1143034)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1143968)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1147760, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1152330)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1153264)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1157056, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1161626)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1162560)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1166352, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1170922)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1171856)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_1175648, v('(', ')', end_of_file), 'I')
   Call: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (230) [system] get_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1180218)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1181152)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1184944, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1189514)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1190448)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1194240, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1198810)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1199744)
   Exit: (233) [system] peek_char((0x56051b6b4f40), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_1203536, v('(', ')', end_of_file), r)
   Call: (233) [system] ')'==r
   Call: (233) [system] get_char((0x56051b6b4f40), r)
   Exit: (233) [system] get_char((0x56051b6b4f40), r)
   Call: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1208106)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1209040)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1212832, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1217402)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1218336)
   Exit: (235) [system] peek_char((0x56051b6b4f40), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_1222128, v('(', ')', end_of_file), d)
   Call: (235) [system] ')'==d
   Call: (235) [system] get_char((0x56051b6b4f40), d)
   Exit: (235) [system] get_char((0x56051b6b4f40), d)
   Call: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1226698)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1227632)
   Exit: (236) [system] peek_char((0x56051b6b4f40), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_1231424, v('(', ')', end_of_file), u)
   Call: (236) [system] ')'==u
   Call: (236) [system] get_char((0x56051b6b4f40), u)
   Exit: (236) [system] get_char((0x56051b6b4f40), u)
   Call: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1235994)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1236928)
   Exit: (237) [system] peek_char((0x56051b6b4f40), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1240720, v('(', ')', end_of_file), c)
   Call: (237) [system] ')'==c
   Call: (237) [system] get_char((0x56051b6b4f40), c)
   Exit: (237) [system] get_char((0x56051b6b4f40), c)
   Call: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1245290)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1246224)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1250016, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1254586)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1255520)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1259312, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1263882)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1264816)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1268608, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1273178)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1274112)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1277904, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1282474)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1283408)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1282474=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (241) [system] _1273178=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (240) [system] _1263882=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (239) [system] _1254586=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (238) [system] _1245290=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (237) [system] _1235994=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (236) [system] _1226698=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (235) [system] _1217402=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (234) [system] _1208106=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _1198810=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1189514=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1180218=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1170922=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1161626=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1152330=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1143034=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1133738=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1124442=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1115146=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1105850=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1096554=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1087258=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1077962=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1057418)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1354186, _1354188), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1057418), _1354162, fail)), '$restore_trace'(_1354186, _1354188))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1354186, _1354188))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1057418), _1354162, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1057418)
   Call: (220) [system] atom_chars(_1057418, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1362638)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1364496)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1371306)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1374010)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(;)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1383402)
   Exit: (218) [system] peek_char((0x56051b6b4f40), c)
   Call: (218) [system] c=')'
   Call: (218) [system] c=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1387116)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1388974)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(;)
^  Call: (220) [user] is_like_space(c)
   Call: (221) [system] char_type(c, 'white')
   Call: (221) [system] char_type(c, end_of_line)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] char_type(c, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1397442)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c='('
   Call: (219) [system] c='['
   Call: (219) [system] c='{'
   Call: (219) [system] c='"'
   Call: (219) [system] c=!
   Call: (219) [system] c='\''
   Call: (219) [system] c='`'
   Call: (219) [system] c=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), c, _1387116)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1407660)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1408594)
   Exit: (221) [system] peek_char((0x56051b6b4f40), d)
^  Call: (221) [user] is_delimiter(d)
   Call: (222) [system] char_type(d, space)
   Call: (222) [system] arg(_1412386, v('(', ')', end_of_file), d)
   Call: (221) [system] ')'==d
   Call: (221) [system] get_char((0x56051b6b4f40), d)
   Exit: (221) [system] get_char((0x56051b6b4f40), d)
   Call: (221) [system] d=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1416956)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1417890)
   Exit: (222) [system] peek_char((0x56051b6b4f40), e)
^  Call: (222) [user] is_delimiter(e)
   Call: (223) [system] char_type(e, space)
   Call: (223) [system] arg(_1421682, v('(', ')', end_of_file), e)
   Call: (222) [system] ')'==e
   Call: (222) [system] get_char((0x56051b6b4f40), e)
   Exit: (222) [system] get_char((0x56051b6b4f40), e)
   Call: (222) [system] e=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1426252)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1427186)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1426252=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1416956=[e]
   Exit: (222) [system] [e]=[e]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (221) [system] _1407660=[d, e]
   Exit: (221) [system] [d, e]=[d, e]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (220) [user] classify_and_convert_charseq(c, [d, e], _1387116)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1442084, _1442086), once(user:catch(read_from_chars([c, d, e], _1387116), _1442060, fail)), '$restore_trace'(_1442084, _1442086))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1442084, _1442086))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1442060, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(cde)
   Exit: (221) [system] atomic(cde)
^  Exit: (220) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1449584)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1451442)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1458252)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1460956)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1470348)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
   Call: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1474062)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1475920)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1484388)
   Exit: (220) [system] get_char((0x56051b6b4f40), a)
   Call: (220) [system] a='('
   Call: (220) [system] a='['
   Call: (220) [system] a='{'
   Call: (220) [system] a='"'
   Call: (220) [system] a=!
   Call: (220) [system] a='\''
   Call: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), a, _1474062)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1494606)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1495540)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_1499332, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _1494606=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq(a, [], _1474062)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1505794, _1505796), once(user:catch(read_from_chars([a], _1474062), _1505770, fail)), '$restore_trace'(_1505794, _1505796))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1505794, _1505796))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1505770, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(a)
   Exit: (222) [system] atomic(a)
^  Exit: (221) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1513294)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1515152)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1523620)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _1527410)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _1513294=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _1449584=[a]
   Exit: (219) [system] [a]=[a]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (218) [system] _1362638=[cde, a]
   Exit: (218) [system] [cde, a]=[cde, a]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [cde, a])
   Call: (217) [system] _1029340=['DisjunctionIntroduction', cde, a]
   Exit: (217) [system] ['DisjunctionIntroduction', cde, a]=['DisjunctionIntroduction', cde, a]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, a])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, a])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1541292)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1543150)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1551618)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _1555408)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _1541292=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _1004862=[['DisjunctionIntroduction', cde, a]]
   Exit: (215) [system] [['DisjunctionIntroduction', cde, a]]=[['DisjunctionIntroduction', cde, a]]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', cde, a]])
   Call: (214) [system] _917916=[abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (214) [system] [abc, ['DisjunctionIntroduction', cde, a]]=[abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', cde, a]])
   Call: (213) [system] _584618=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
   Exit: (213) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1569290)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1571148)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1577958)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1580662)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1590054)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1593768)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1595626)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1604094)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1593768)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1609664)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (215) [system] 'O'=(;)
^  Call: (215) [user] is_like_space('O')
   Call: (216) [system] char_type('O', 'white')
   Call: (216) [system] char_type('O', end_of_line)
   Call: (216) [system] char_type('O', space)
   Call: (216) [system] char_type('O', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1618132)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (214) [system] 'O'=')'
   Call: (214) [system] 'O'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1621846)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1623704)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1632172)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'O')
   Call: (215) [system] 'O'='('
   Call: (215) [system] 'O'='['
   Call: (215) [system] 'O'='{'
   Call: (215) [system] 'O'='"'
   Call: (215) [system] 'O'=!
   Call: (215) [system] 'O'='\''
   Call: (215) [system] 'O'='`'
   Call: (215) [system] 'O'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1621846)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1642390)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1643324)
   Exit: (217) [system] peek_char((0x56051b6b4f40), r)
^  Call: (217) [user] is_delimiter(r)
   Call: (218) [system] char_type(r, space)
   Call: (218) [system] arg(_1647116, v('(', ')', end_of_file), r)
   Call: (217) [system] ')'==r
   Call: (217) [system] get_char((0x56051b6b4f40), r)
   Exit: (217) [system] get_char((0x56051b6b4f40), r)
   Call: (217) [system] r=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1651686)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1652620)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (218) [user] is_delimiter('L')
   Call: (219) [system] char_type('L', space)
   Call: (219) [system] arg(_1656412, v('(', ')', end_of_file), 'L')
   Call: (218) [system] ')'=='L'
   Call: (218) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (218) [system] get_char((0x56051b6b4f40), 'L')
   Call: (218) [system] 'L'=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1660982)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1661916)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_1665708, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1670278)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1671212)
   Exit: (220) [system] peek_char((0x56051b6b4f40), n)
^  Call: (220) [user] is_delimiter(n)
   Call: (221) [system] char_type(n, space)
   Call: (221) [system] arg(_1675004, v('(', ')', end_of_file), n)
   Call: (220) [system] ')'==n
   Call: (220) [system] get_char((0x56051b6b4f40), n)
   Exit: (220) [system] get_char((0x56051b6b4f40), n)
   Call: (220) [system] n=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1679574)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1680508)
   Exit: (221) [system] peek_char((0x56051b6b4f40), k)
^  Call: (221) [user] is_delimiter(k)
   Call: (222) [system] char_type(k, space)
   Call: (222) [system] arg(_1684300, v('(', ')', end_of_file), k)
   Call: (221) [system] ')'==k
   Call: (221) [system] get_char((0x56051b6b4f40), k)
   Exit: (221) [system] get_char((0x56051b6b4f40), k)
   Call: (221) [system] k=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1688870)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1689804)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _1688870=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _1679574=[k]
   Exit: (221) [system] [k]=[k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (220) [system] _1670278=[n, k]
   Exit: (220) [system] [n, k]=[n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (219) [system] _1660982=[i, n, k]
   Exit: (219) [system] [i, n, k]=[i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (218) [system] _1651686=['L', i, n, k]
   Exit: (218) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (217) [system] _1642390=[r, 'L', i, n, k]
   Exit: (217) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (216) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1621846)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1713084, _1713086), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1621846), _1713060, fail)), '$restore_trace'(_1713084, _1713086))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1713084, _1713086))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1621846), _1713060, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1621846)
   Call: (217) [system] atom_chars(_1621846, ['O', r, 'L', i, n, k])
   Exit: (217) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (216) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1721536)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1723394)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1730204)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1732908)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1742300)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1746014)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1747872)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1756340)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1746014)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1761910)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'=(;)
^  Call: (218) [user] is_like_space('I')
   Call: (219) [system] char_type('I', 'white')
   Call: (219) [system] char_type('I', end_of_line)
   Call: (219) [system] char_type('I', space)
   Call: (219) [system] char_type('I', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1770378)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (217) [system] 'I'=')'
   Call: (217) [system] 'I'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1774092)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1775950)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=(;)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1784418)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'='('
   Call: (218) [system] 'I'='['
   Call: (218) [system] 'I'='{'
   Call: (218) [system] 'I'='"'
   Call: (218) [system] 'I'=!
   Call: (218) [system] 'I'='\''
   Call: (218) [system] 'I'='`'
   Call: (218) [system] 'I'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1774092)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1794636)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1795570)
   Exit: (220) [system] peek_char((0x56051b6b4f40), m)
^  Call: (220) [user] is_delimiter(m)
   Call: (221) [system] char_type(m, space)
   Call: (221) [system] arg(_1799362, v('(', ')', end_of_file), m)
   Call: (220) [system] ')'==m
   Call: (220) [system] get_char((0x56051b6b4f40), m)
   Exit: (220) [system] get_char((0x56051b6b4f40), m)
   Call: (220) [system] m=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1803932)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1804866)
   Exit: (221) [system] peek_char((0x56051b6b4f40), p)
^  Call: (221) [user] is_delimiter(p)
   Call: (222) [system] char_type(p, space)
   Call: (222) [system] arg(_1808658, v('(', ')', end_of_file), p)
   Call: (221) [system] ')'==p
   Call: (221) [system] get_char((0x56051b6b4f40), p)
   Exit: (221) [system] get_char((0x56051b6b4f40), p)
   Call: (221) [system] p=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1813228)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1814162)
   Exit: (222) [system] peek_char((0x56051b6b4f40), l)
^  Call: (222) [user] is_delimiter(l)
   Call: (223) [system] char_type(l, space)
   Call: (223) [system] arg(_1817954, v('(', ')', end_of_file), l)
   Call: (222) [system] ')'==l
   Call: (222) [system] get_char((0x56051b6b4f40), l)
   Exit: (222) [system] get_char((0x56051b6b4f40), l)
   Call: (222) [system] l=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1822524)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1823458)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1827250, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1831820)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1832754)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_1836546, v('(', ')', end_of_file), c)
   Call: (224) [system] ')'==c
   Call: (224) [system] get_char((0x56051b6b4f40), c)
   Exit: (224) [system] get_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1841116)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1842050)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
^  Call: (225) [user] is_delimiter(a)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] arg(_1845842, v('(', ')', end_of_file), a)
   Call: (225) [system] ')'==a
   Call: (225) [system] get_char((0x56051b6b4f40), a)
   Exit: (225) [system] get_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1850412)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1851346)
   Exit: (226) [system] peek_char((0x56051b6b4f40), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_1855138, v('(', ')', end_of_file), t)
   Call: (226) [system] ')'==t
   Call: (226) [system] get_char((0x56051b6b4f40), t)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1859708)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1860642)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1864434, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1869004)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1869938)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_1873730, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1878300)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1879234)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1883026, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1887596)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1888530)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1887596=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1878300=[n]
   Exit: (229) [system] [n]=[n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (228) [system] _1869004=[o, n]
   Exit: (228) [system] [o, n]=[o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (227) [system] _1859708=[i, o, n]
   Exit: (227) [system] [i, o, n]=[i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (226) [system] _1850412=[t, i, o, n]
   Exit: (226) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (225) [system] _1841116=[a, t, i, o, n]
   Exit: (225) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (224) [system] _1831820=[c, a, t, i, o, n]
   Exit: (224) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (223) [system] _1822524=[i, c, a, t, i, o, n]
   Exit: (223) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (222) [system] _1813228=[l, i, c, a, t, i, o, n]
   Exit: (222) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (221) [system] _1803932=[p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (220) [system] _1794636=[m, p, l, i, c, a, t, i, o, n]
   Exit: (220) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1774092)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1925780, _1925782), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1774092), _1925756, fail)), '$restore_trace'(_1925780, _1925782))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1925780, _1925782))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1774092), _1925756, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1774092)
   Call: (220) [system] atom_chars(_1774092, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (220) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1934232)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1936090)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1942900)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1945604)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1954996)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1958710)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1960568)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1969036)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1958710)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1974606)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=(;)
^  Call: (221) [user] is_like_space('A')
   Call: (222) [system] char_type('A', 'white')
   Call: (222) [system] char_type('A', end_of_line)
   Call: (222) [system] char_type('A', space)
   Call: (222) [system] char_type('A', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1983074)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1986788)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1988646)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1997114)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1986788)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2007332)
   Call: (223) [system] peek_char((0x56051b6b4f40), _2008266)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_2012058, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2016628)
   Call: (224) [system] peek_char((0x56051b6b4f40), _2017562)
   Exit: (224) [system] peek_char((0x56051b6b4f40), d)
^  Call: (224) [user] is_delimiter(d)
   Call: (225) [system] char_type(d, space)
   Call: (225) [system] arg(_2021354, v('(', ')', end_of_file), d)
   Call: (224) [system] ')'==d
   Call: (224) [system] get_char((0x56051b6b4f40), d)
   Exit: (224) [system] get_char((0x56051b6b4f40), d)
   Call: (224) [system] d=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2025924)
   Call: (225) [system] peek_char((0x56051b6b4f40), _2026858)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_2030650, v('(', ')', end_of_file), 'L')
   Call: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (225) [system] get_char((0x56051b6b4f40), 'L')
   Call: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2035220)
   Call: (226) [system] peek_char((0x56051b6b4f40), _2036154)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_2039946, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2044516)
   Call: (227) [system] peek_char((0x56051b6b4f40), _2045450)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_2049242, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2053812)
   Call: (228) [system] peek_char((0x56051b6b4f40), _2054746)
   Exit: (228) [system] peek_char((0x56051b6b4f40), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_2058538, v('(', ')', end_of_file), k)
   Call: (228) [system] ')'==k
   Call: (228) [system] get_char((0x56051b6b4f40), k)
   Exit: (228) [system] get_char((0x56051b6b4f40), k)
   Call: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2063108)
   Call: (229) [system] peek_char((0x56051b6b4f40), _2064042)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _2063108=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _2053812=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (227) [system] _2044516=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (226) [system] _2035220=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (225) [system] _2025924=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (224) [system] _2016628=[d, 'L', i, n, k]
   Exit: (224) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (223) [system] _2007332=[n, d, 'L', i, n, k]
   Exit: (223) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1986788)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_2090116, _2090118), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1986788), _2090092, fail)), '$restore_trace'(_2090116, _2090118))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_2090116, _2090118))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1986788), _2090092, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1986788)
   Call: (223) [system] atom_chars(_1986788, ['A', n, d, 'L', i, n, k])
   Exit: (223) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _7838)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _9696)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _16506)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _19210)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _28602)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _32316)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _34174)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _42642)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _32316)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _52860)
   Call: (224) [system] peek_char((0x56051b6b4f40), _53794)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _52860=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq('A', [], _32316)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_63104, _63106), once(user:catch(read_from_chars(['A'], _32316), _63080, fail)), '$restore_trace'(_63104, _63106))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_63104, _63106))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _32316), _63080, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_32316)
   Call: (224) [system] atom_chars(_32316, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _71556)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _73414)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _80224)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _82928)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'=(;)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _92320)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'=')'
   Call: (222) [system] 'B'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _96034)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _97892)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'=(;)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _106360)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'B')
   Call: (223) [system] 'B'='('
   Call: (223) [system] 'B'='['
   Call: (223) [system] 'B'='{'
   Call: (223) [system] 'B'='"'
   Call: (223) [system] 'B'=!
   Call: (223) [system] 'B'='\''
   Call: (223) [system] 'B'='`'
   Call: (223) [system] 'B'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _96034)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _116578)
   Call: (225) [system] peek_char((0x56051b6b4f40), _117512)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_121304, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _116578=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('B', [], _96034)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_127766, _127768), once(user:catch(read_from_chars(['B'], _96034), _127742, fail)), '$restore_trace'(_127766, _127768))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_127766, _127768))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _96034), _127742, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_96034)
   Call: (225) [system] atom_chars(_96034, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _136218)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _138076)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _146544)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _150334)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _136218=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _71556=['B']
   Exit: (222) [system] ['B']=['B']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (221) [system] _7838=['A', 'B']
   Exit: (221) [system] ['A', 'B']=['A', 'B']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (220) [system] _6086=['AndLink', 'A', 'B']
   Exit: (220) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _164216)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _166074)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _172884)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _175588)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (221) [system] 'C'=(;)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _184980)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (219) [system] 'C'=')'
   Call: (219) [system] 'C'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _188694)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _190552)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (221) [system] 'C'=(;)
^  Call: (221) [user] is_like_space('C')
   Call: (222) [system] char_type('C', 'white')
   Call: (222) [system] char_type('C', end_of_line)
   Call: (222) [system] char_type('C', space)
   Call: (222) [system] char_type('C', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _199020)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'C')
   Call: (220) [system] 'C'='('
   Call: (220) [system] 'C'='['
   Call: (220) [system] 'C'='{'
   Call: (220) [system] 'C'='"'
   Call: (220) [system] 'C'=!
   Call: (220) [system] 'C'='\''
   Call: (220) [system] 'C'='`'
   Call: (220) [system] 'C'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _188694)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _209238)
   Call: (222) [system] peek_char((0x56051b6b4f40), _210172)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (222) [user] is_delimiter(')')
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] arg(_213964, v('(', ')', end_of_file), ')')
   Exit: (223) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (222) [user] is_delimiter(')')
   Call: (222) [system] _209238=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq('C', [], _188694)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_220426, _220428), once(user:catch(read_from_chars(['C'], _188694), _220402, fail)), '$restore_trace'(_220426, _220428))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_220426, _220428))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _188694), _220402, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_188694)
   Call: (222) [system] atom_chars(_188694, ['C'])
   Exit: (222) [system] atom_chars('C', ['C'])
^  Exit: (221) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _228878)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _230736)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _239204)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _242994)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _228878=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _164216=['C']
   Exit: (219) [system] ['C']=['C']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (218) [system] _6082=[['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (217) [system] _6074=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (217) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _256876)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _258734)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _265544)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _268248)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _277640)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _281354)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _283212)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _291680)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _281354)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _297250)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _305718)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _309432)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _311290)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _319758)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _309432)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _329976)
   Call: (221) [system] peek_char((0x56051b6b4f40), _330910)
   Exit: (221) [system] peek_char((0x56051b6b4f40), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_334702, v('(', ')', end_of_file), r)
   Call: (221) [system] ')'==r
   Call: (221) [system] get_char((0x56051b6b4f40), r)
   Exit: (221) [system] get_char((0x56051b6b4f40), r)
   Call: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _339272)
   Call: (222) [system] peek_char((0x56051b6b4f40), _340206)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_343998, v('(', ')', end_of_file), 'L')
   Call: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (222) [system] get_char((0x56051b6b4f40), 'L')
   Call: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _348568)
   Call: (223) [system] peek_char((0x56051b6b4f40), _349502)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_353294, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _357864)
   Call: (224) [system] peek_char((0x56051b6b4f40), _358798)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_362590, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _367160)
   Call: (225) [system] peek_char((0x56051b6b4f40), _368094)
   Exit: (225) [system] peek_char((0x56051b6b4f40), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_371886, v('(', ')', end_of_file), k)
   Call: (225) [system] ')'==k
   Call: (225) [system] get_char((0x56051b6b4f40), k)
   Exit: (225) [system] get_char((0x56051b6b4f40), k)
   Call: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _376456)
   Call: (226) [system] peek_char((0x56051b6b4f40), _377390)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _376456=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _367160=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (224) [system] _357864=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (223) [system] _348568=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (222) [system] _339272=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (221) [system] _329976=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _309432)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_400670, _400672), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _309432), _400646, fail)), '$restore_trace'(_400670, _400672))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_400670, _400672))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _309432), _400646, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_309432)
   Call: (221) [system] atom_chars(_309432, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _409122)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _410980)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _417790)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _420494)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _429886)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _433600)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _435458)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _443926)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _433600)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _449496)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _457964)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _461678)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _463536)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _472004)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _461678)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _482222)
   Call: (224) [system] peek_char((0x56051b6b4f40), _483156)
   Exit: (224) [system] peek_char((0x56051b6b4f40), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_486948, v('(', ')', end_of_file), m)
   Call: (224) [system] ')'==m
   Call: (224) [system] get_char((0x56051b6b4f40), m)
   Exit: (224) [system] get_char((0x56051b6b4f40), m)
   Call: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _491518)
   Call: (225) [system] peek_char((0x56051b6b4f40), _492452)
   Exit: (225) [system] peek_char((0x56051b6b4f40), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_496244, v('(', ')', end_of_file), p)
   Call: (225) [system] ')'==p
   Call: (225) [system] get_char((0x56051b6b4f40), p)
   Exit: (225) [system] get_char((0x56051b6b4f40), p)
   Call: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _500814)
   Call: (226) [system] peek_char((0x56051b6b4f40), _501748)
   Exit: (226) [system] peek_char((0x56051b6b4f40), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_505540, v('(', ')', end_of_file), l)
   Call: (226) [system] ')'==l
   Call: (226) [system] get_char((0x56051b6b4f40), l)
   Exit: (226) [system] get_char((0x56051b6b4f40), l)
   Call: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _510110)
   Call: (227) [system] peek_char((0x56051b6b4f40), _511044)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_514836, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _519406)
   Call: (228) [system] peek_char((0x56051b6b4f40), _520340)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_524132, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _528702)
   Call: (229) [system] peek_char((0x56051b6b4f40), _529636)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_533428, v('(', ')', end_of_file), a)
   Call: (229) [system] ')'==a
   Call: (229) [system] get_char((0x56051b6b4f40), a)
   Exit: (229) [system] get_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _537998)
   Call: (230) [system] peek_char((0x56051b6b4f40), _538932)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_542724, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _547294)
   Call: (231) [system] peek_char((0x56051b6b4f40), _548228)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_552020, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _556590)
   Call: (232) [system] peek_char((0x56051b6b4f40), _557524)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_561316, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _565886)
   Call: (233) [system] peek_char((0x56051b6b4f40), _566820)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_570612, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _575182)
   Call: (234) [system] peek_char((0x56051b6b4f40), _576116)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _575182=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _565886=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (232) [system] _556590=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (231) [system] _547294=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (230) [system] _537998=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (229) [system] _528702=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (228) [system] _519406=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (227) [system] _510110=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (226) [system] _500814=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _491518=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _482222=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _461678)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_613366, _613368), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _461678), _613342, fail)), '$restore_trace'(_613366, _613368))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_613366, _613368))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _461678), _613342, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_461678)
   Call: (224) [system] atom_chars(_461678, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _621818)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _623676)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _630486)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _633190)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _642582)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _646296)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _648154)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _656622)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _646296)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _662192)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _670660)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _674374)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _676232)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _684700)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _674374)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _694918)
   Call: (227) [system] peek_char((0x56051b6b4f40), _695852)
   Exit: (227) [system] peek_char((0x56051b6b4f40), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_699644, v('(', ')', end_of_file), r)
   Call: (227) [system] ')'==r
   Call: (227) [system] get_char((0x56051b6b4f40), r)
   Exit: (227) [system] get_char((0x56051b6b4f40), r)
   Call: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _704214)
   Call: (228) [system] peek_char((0x56051b6b4f40), _705148)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_708940, v('(', ')', end_of_file), 'L')
   Call: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (228) [system] get_char((0x56051b6b4f40), 'L')
   Call: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _713510)
   Call: (229) [system] peek_char((0x56051b6b4f40), _714444)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_718236, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _722806)
   Call: (230) [system] peek_char((0x56051b6b4f40), _723740)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_727532, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _732102)
   Call: (231) [system] peek_char((0x56051b6b4f40), _733036)
   Exit: (231) [system] peek_char((0x56051b6b4f40), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_736828, v('(', ')', end_of_file), k)
   Call: (231) [system] ')'==k
   Call: (231) [system] get_char((0x56051b6b4f40), k)
   Exit: (231) [system] get_char((0x56051b6b4f40), k)
   Call: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _741398)
   Call: (232) [system] peek_char((0x56051b6b4f40), _742332)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _741398=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _732102=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (230) [system] _722806=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (229) [system] _713510=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (228) [system] _704214=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (227) [system] _694918=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _674374)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_765612, _765614), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _674374), _765588, fail)), '$restore_trace'(_765612, _765614))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_765612, _765614))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _674374), _765588, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_674374)
   Call: (227) [system] atom_chars(_674374, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _774064)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _775922)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _782732)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _785436)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _794828)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _798542)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _800400)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _808868)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _798542)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _819086)
   Call: (228) [system] peek_char((0x56051b6b4f40), _820020)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _819086=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('C', [], _798542)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_829330, _829332), once(user:catch(read_from_chars(['C'], _798542), _829306, fail)), '$restore_trace'(_829330, _829332))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_829330, _829332))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _798542), _829306, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_798542)
   Call: (228) [system] atom_chars(_798542, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _837782)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _839640)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _846450)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _849154)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _858546)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _862260)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _864118)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _872586)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _862260)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _882804)
   Call: (229) [system] peek_char((0x56051b6b4f40), _883738)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_887530, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _882804=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('D', [], _862260)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_893992, _893994), once(user:catch(read_from_chars(['D'], _862260), _893968, fail)), '$restore_trace'(_893992, _893994))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_893992, _893994))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _862260), _893968, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_862260)
   Call: (229) [system] atom_chars(_862260, ['D'])
   Exit: (229) [system] atom_chars('D', ['D'])
^  Exit: (228) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _902444)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _904302)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _912770)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _916560)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _902444=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _837782=['D']
   Exit: (226) [system] ['D']=['D']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (225) [system] _774064=['C', 'D']
   Exit: (225) [system] ['C', 'D']=['C', 'D']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (224) [system] _646296=['OrLink', 'C', 'D']
   Exit: (224) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _930442)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _932300)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _939110)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _941814)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (225) [system] 'E'=(;)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _951206)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (223) [system] 'E'=')'
   Call: (223) [system] 'E'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _954920)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _956778)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (225) [system] 'E'=(;)
^  Call: (225) [user] is_like_space('E')
   Call: (226) [system] char_type('E', 'white')
   Call: (226) [system] char_type('E', end_of_line)
   Call: (226) [system] char_type('E', space)
   Call: (226) [system] char_type('E', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _965246)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'E')
   Call: (224) [system] 'E'='('
   Call: (224) [system] 'E'='['
   Call: (224) [system] 'E'='{'
   Call: (224) [system] 'E'='"'
   Call: (224) [system] 'E'=!
   Call: (224) [system] 'E'='\''
   Call: (224) [system] 'E'='`'
   Call: (224) [system] 'E'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _954920)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _975464)
   Call: (226) [system] peek_char((0x56051b6b4f40), _976398)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_980190, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _975464=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('E', [], _954920)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_986652, _986654), once(user:catch(read_from_chars(['E'], _954920), _986628, fail)), '$restore_trace'(_986652, _986654))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_986652, _986654))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _954920), _986628, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_954920)
   Call: (226) [system] atom_chars(_954920, ['E'])
   Exit: (226) [system] atom_chars('E', ['E'])
^  Exit: (225) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _995104)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _996962)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1005430)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _1009220)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _995104=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _930442=['E']
   Exit: (223) [system] ['E']=['E']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (222) [system] _621818=[['OrLink', 'C', 'D'], 'E']
   Exit: (222) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (221) [system] _433600=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (221) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1023102)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1024960)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1031770)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1034474)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1043866)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1047580)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1049438)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1057906)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1047580)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1068124)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1069058)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_1072850, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _1068124=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('A', [], _1047580)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1079312, _1079314), once(user:catch(read_from_chars(['A'], _1047580), _1079288, fail)), '$restore_trace'(_1079312, _1079314))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1079312, _1079314))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1047580), _1079288, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1047580)
   Call: (223) [system] atom_chars(_1047580, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1087764)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1089622)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1098090)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _1101880)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _1087764=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1023102=['A']
   Exit: (220) [system] ['A']=['A']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (219) [system] _409122=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (219) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (218) [system] _281354=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (218) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1115762)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1117620)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1126088)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _1129878)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _1115762=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _256876=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (216) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (215) [system] _6070=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (215) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (214) [system] _6062=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (214) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1143760)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1145618)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=(;)
^  Call: (214) [user] is_like_space(')')
   Call: (215) [system] char_type(')', 'white')
   Call: (215) [system] char_type(')', end_of_line)
   Call: (215) [system] char_type(')', space)
   Call: (215) [system] char_type(')', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1154086)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ')')
   Call: (213) [system] ')'=')'
   Exit: (213) [system] ')'=')'
   Call: (213) [system] get_char((0x56051b6b4f40), _1157876)
   Exit: (213) [system] get_char((0x56051b6b4f40), ')')
   Call: (213) [system] _1143760=[]
   Exit: (213) [system] []=[]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (212) [system] _6058=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (212) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (211) [system] _6016=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (211) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (210) [system] _6008=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (210) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (209) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Exit: (208) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Call: (208) [user] read_list(')', (0x56051b6b4f40), _1171758)
^  Call: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1173616)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (210) [system] '\n'=(;)
^  Call: (210) [user] is_like_space('\n')
   Call: (211) [system] char_type('\n', 'white')
   Call: (211) [system] char_type('\n', end_of_line)
   Exit: (211) [system] char_type('\n', end_of_line)
^  Exit: (210) [user] is_like_space('\n')
   Call: (210) [system] get_char((0x56051b6b4f40), _1181232)
   Exit: (210) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1183936)
   Exit: (211) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (211) [system] ' '=(;)
^  Call: (211) [user] is_like_space(' ')
   Call: (212) [system] char_type(' ', 'white')
   Exit: (212) [system] char_type(' ', 'white')
^  Exit: (211) [user] is_like_space(' ')
   Call: (211) [system] get_char((0x56051b6b4f40), _1190746)
   Exit: (211) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1193450)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (209) [user] skip_spaces((0x56051b6b4f40))
   Call: (209) [system] peek_char((0x56051b6b4f40), _1203766)
   Exit: (209) [system] peek_char((0x56051b6b4f40), '(')
   Call: (209) [system] '('=')'
   Call: (209) [system] '('=end_of_file
^  Call: (209) [user] cont_sexpr(')', (0x56051b6b4f40), _1207480)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1209338)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=(;)
^  Call: (211) [user] is_like_space('(')
   Call: (212) [system] char_type('(', 'white')
   Call: (212) [system] char_type('(', end_of_line)
   Call: (212) [system] char_type('(', space)
   Call: (212) [system] char_type('(', cntrl)
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] get_char((0x56051b6b4f40), _1217806)
   Exit: (210) [system] get_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('='('
   Exit: (210) [system] '('='('
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _1207480)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1223376)
   Exit: (212) [system] peek_char((0x56051b6b4f40), :)
   Call: (212) [system] (:)=(;)
^  Call: (212) [user] is_like_space(:)
   Call: (213) [system] char_type(:, 'white')
   Call: (213) [system] char_type(:, end_of_line)
   Call: (213) [system] char_type(:, space)
   Call: (213) [system] char_type(:, cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1231844)
   Exit: (211) [system] peek_char((0x56051b6b4f40), :)
   Call: (211) [system] (:)=')'
   Call: (211) [system] (:)=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _1235558)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1237416)
   Exit: (213) [system] peek_char((0x56051b6b4f40), :)
   Call: (213) [system] (:)=(;)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _1245884)
   Exit: (212) [system] get_char((0x56051b6b4f40), :)
   Call: (212) [system] (:)='('
   Call: (212) [system] (:)='['
   Call: (212) [system] (:)='{'
   Call: (212) [system] (:)='"'
   Call: (212) [system] (:)=!
   Call: (212) [system] (:)='\''
   Call: (212) [system] (:)='`'
   Call: (212) [system] (:)=end_of_file
^  Call: (212) [user] read_symbolic(')', (0x56051b6b4f40), :, _1235558)
^  Call: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1256102)
   Call: (214) [system] peek_char((0x56051b6b4f40), _1257036)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] is_delimiter(' ')
   Call: (215) [system] char_type(' ', space)
   Exit: (215) [system] char_type(' ', space)
^  Exit: (214) [user] is_delimiter(' ')
   Call: (214) [system] _1256102=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (213) [user] classify_and_convert_charseq(:, [], _1235558)
^  Call: (215) [system] setup_call_cleanup('$notrace'(_1266346, _1266348), once(user:catch(read_from_chars([:], _1235558), _1266322, fail)), '$restore_trace'(_1266346, _1266348))
^  Call: (216) [system] sig_atomic(system:'$notrace'(_1266346, _1266348))
^  Exit: (215) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1266322, fail)), system:'$restore_trace'(3, -1))
   Call: (214) [system] atomic(:)
   Exit: (214) [system] atomic(:)
^  Exit: (213) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (212) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1273846)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1275704)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _1282514)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1285218)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1294610)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1298324)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1300182)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1308650)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1298324)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1314220)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=(;)
^  Call: (215) [user] is_like_space('D')
   Call: (216) [system] char_type('D', 'white')
   Call: (216) [system] char_type('D', end_of_line)
   Call: (216) [system] char_type('D', space)
   Call: (216) [system] char_type('D', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1322688)
   Exit: (214) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (214) [system] 'D'=')'
   Call: (214) [system] 'D'=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _1326402)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1328260)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _1336728)
   Exit: (215) [system] get_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'='('
   Call: (215) [system] 'D'='['
   Call: (215) [system] 'D'='{'
   Call: (215) [system] 'D'='"'
   Call: (215) [system] 'D'=!
   Call: (215) [system] 'D'='\''
   Call: (215) [system] 'D'='`'
   Call: (215) [system] 'D'=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1326402)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1346946)
   Call: (217) [system] peek_char((0x56051b6b4f40), _1347880)
   Exit: (217) [system] peek_char((0x56051b6b4f40), i)
^  Call: (217) [user] is_delimiter(i)
   Call: (218) [system] char_type(i, space)
   Call: (218) [system] arg(_1351672, v('(', ')', end_of_file), i)
   Call: (217) [system] ')'==i
   Call: (217) [system] get_char((0x56051b6b4f40), i)
   Exit: (217) [system] get_char((0x56051b6b4f40), i)
   Call: (217) [system] i=(\)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1356242)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1357176)
   Exit: (218) [system] peek_char((0x56051b6b4f40), s)
^  Call: (218) [user] is_delimiter(s)
   Call: (219) [system] char_type(s, space)
   Call: (219) [system] arg(_1360968, v('(', ')', end_of_file), s)
   Call: (218) [system] ')'==s
   Call: (218) [system] get_char((0x56051b6b4f40), s)
   Exit: (218) [system] get_char((0x56051b6b4f40), s)
   Call: (218) [system] s=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1365538)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1366472)
   Exit: (219) [system] peek_char((0x56051b6b4f40), j)
^  Call: (219) [user] is_delimiter(j)
   Call: (220) [system] char_type(j, space)
   Call: (220) [system] arg(_1370264, v('(', ')', end_of_file), j)
   Call: (219) [system] ')'==j
   Call: (219) [system] get_char((0x56051b6b4f40), j)
   Exit: (219) [system] get_char((0x56051b6b4f40), j)
   Call: (219) [system] j=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1374834)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1375768)
   Exit: (220) [system] peek_char((0x56051b6b4f40), u)
^  Call: (220) [user] is_delimiter(u)
   Call: (221) [system] char_type(u, space)
   Call: (221) [system] arg(_1379560, v('(', ')', end_of_file), u)
   Call: (220) [system] ')'==u
   Call: (220) [system] get_char((0x56051b6b4f40), u)
   Exit: (220) [system] get_char((0x56051b6b4f40), u)
   Call: (220) [system] u=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1384130)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1385064)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_1388856, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1393426)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1394360)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1398152, v('(', ')', end_of_file), c)
   Call: (222) [system] ')'==c
   Call: (222) [system] get_char((0x56051b6b4f40), c)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1402722)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1403656)
   Exit: (223) [system] peek_char((0x56051b6b4f40), t)
^  Call: (223) [user] is_delimiter(t)
   Call: (224) [system] char_type(t, space)
   Call: (224) [system] arg(_1407448, v('(', ')', end_of_file), t)
   Call: (223) [system] ')'==t
   Call: (223) [system] get_char((0x56051b6b4f40), t)
   Exit: (223) [system] get_char((0x56051b6b4f40), t)
   Call: (223) [system] t=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1412018)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1412952)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1416744, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1421314)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1422248)
   Exit: (225) [system] peek_char((0x56051b6b4f40), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1426040, v('(', ')', end_of_file), o)
   Call: (225) [system] ')'==o
   Call: (225) [system] get_char((0x56051b6b4f40), o)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1430610)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1431544)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1435336, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1439906)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1440840)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (227) [user] is_delimiter('I')
   Call: (228) [system] char_type('I', space)
   Call: (228) [system] arg(_1444632, v('(', ')', end_of_file), 'I')
   Call: (227) [system] ')'=='I'
   Call: (227) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1449202)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1450136)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1453928, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1458498)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1459432)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1463224, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1467794)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1468728)
   Exit: (230) [system] peek_char((0x56051b6b4f40), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_1472520, v('(', ')', end_of_file), r)
   Call: (230) [system] ')'==r
   Call: (230) [system] get_char((0x56051b6b4f40), r)
   Exit: (230) [system] get_char((0x56051b6b4f40), r)
   Call: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1477090)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1478024)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1481816, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1486386)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1487320)
   Exit: (232) [system] peek_char((0x56051b6b4f40), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_1491112, v('(', ')', end_of_file), d)
   Call: (232) [system] ')'==d
   Call: (232) [system] get_char((0x56051b6b4f40), d)
   Exit: (232) [system] get_char((0x56051b6b4f40), d)
   Call: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1495682)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1496616)
   Exit: (233) [system] peek_char((0x56051b6b4f40), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_1500408, v('(', ')', end_of_file), u)
   Call: (233) [system] ')'==u
   Call: (233) [system] get_char((0x56051b6b4f40), u)
   Exit: (233) [system] get_char((0x56051b6b4f40), u)
   Call: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1504978)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1505912)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1509704, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1514274)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1515208)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1519000, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1523570)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1524504)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1528296, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1532866)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1533800)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1537592, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1542162)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1543096)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1546888, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1551458)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1552392)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1551458=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _1542162=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (237) [system] _1532866=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (236) [system] _1523570=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (235) [system] _1514274=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (234) [system] _1504978=[c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (233) [system] _1495682=[u, c, t, i, o, n]
   Exit: (233) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (232) [system] _1486386=[d, u, c, t, i, o, n]
   Exit: (232) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (231) [system] _1477090=[o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (230) [system] _1467794=[r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1458498=[t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1449202=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1439906=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1430610=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1421314=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1412018=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1402722=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1393426=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1384130=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _1374834=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _1365538=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _1356242=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (217) [system] _1346946=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (217) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1326402)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_1623170, _1623172), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1326402), _1623146, fail)), '$restore_trace'(_1623170, _1623172))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_1623170, _1623172))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1326402), _1623146, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(_1326402)
   Call: (217) [system] atom_chars(_1326402, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (217) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (216) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1631622)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1633480)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1640290)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1642994)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1652386)
   Exit: (215) [system] peek_char((0x56051b6b4f40), a)
   Call: (215) [system] a=')'
   Call: (215) [system] a=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1656100)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1657958)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=(;)
^  Call: (217) [user] is_like_space(a)
   Call: (218) [system] char_type(a, 'white')
   Call: (218) [system] char_type(a, end_of_line)
   Call: (218) [system] char_type(a, space)
   Call: (218) [system] char_type(a, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1666426)
   Exit: (216) [system] get_char((0x56051b6b4f40), a)
   Call: (216) [system] a='('
   Call: (216) [system] a='['
   Call: (216) [system] a='{'
   Call: (216) [system] a='"'
   Call: (216) [system] a=!
   Call: (216) [system] a='\''
   Call: (216) [system] a='`'
   Call: (216) [system] a=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), a, _1656100)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1676644)
   Call: (218) [system] peek_char((0x56051b6b4f40), _1677578)
   Exit: (218) [system] peek_char((0x56051b6b4f40), b)
^  Call: (218) [user] is_delimiter(b)
   Call: (219) [system] char_type(b, space)
   Call: (219) [system] arg(_1681370, v('(', ')', end_of_file), b)
   Call: (218) [system] ')'==b
   Call: (218) [system] get_char((0x56051b6b4f40), b)
   Exit: (218) [system] get_char((0x56051b6b4f40), b)
   Call: (218) [system] b=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1685940)
   Call: (219) [system] peek_char((0x56051b6b4f40), _1686874)
   Exit: (219) [system] peek_char((0x56051b6b4f40), c)
^  Call: (219) [user] is_delimiter(c)
   Call: (220) [system] char_type(c, space)
   Call: (220) [system] arg(_1690666, v('(', ')', end_of_file), c)
   Call: (219) [system] ')'==c
   Call: (219) [system] get_char((0x56051b6b4f40), c)
   Exit: (219) [system] get_char((0x56051b6b4f40), c)
   Call: (219) [system] c=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1695236)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1696170)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _1695236=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (219) [system] _1685940=[c]
   Exit: (219) [system] [c]=[c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (218) [system] _1676644=[b, c]
   Exit: (218) [system] [b, c]=[b, c]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (217) [user] classify_and_convert_charseq(a, [b, c], _1656100)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_1711068, _1711070), once(user:catch(read_from_chars([a, b, c], _1656100), _1711044, fail)), '$restore_trace'(_1711068, _1711070))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_1711068, _1711070))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1711044, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(abc)
   Exit: (218) [system] atomic(abc)
^  Exit: (217) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1718568)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1720426)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1727236)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1729940)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1739332)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1743046)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1744904)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1753372)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1743046)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1758942)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1767410)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1771124)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1772982)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1781450)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1771124)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1791668)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1792602)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_1796394, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1800964)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1801898)
   Exit: (222) [system] peek_char((0x56051b6b4f40), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_1805690, v('(', ')', end_of_file), s)
   Call: (222) [system] ')'==s
   Call: (222) [system] get_char((0x56051b6b4f40), s)
   Exit: (222) [system] get_char((0x56051b6b4f40), s)
   Call: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1810260)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1811194)
   Exit: (223) [system] peek_char((0x56051b6b4f40), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_1814986, v('(', ')', end_of_file), j)
   Call: (223) [system] ')'==j
   Call: (223) [system] get_char((0x56051b6b4f40), j)
   Exit: (223) [system] get_char((0x56051b6b4f40), j)
   Call: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1819556)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1820490)
   Exit: (224) [system] peek_char((0x56051b6b4f40), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1824282, v('(', ')', end_of_file), u)
   Call: (224) [system] ')'==u
   Call: (224) [system] get_char((0x56051b6b4f40), u)
   Exit: (224) [system] get_char((0x56051b6b4f40), u)
   Call: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1828852)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1829786)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1833578, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1838148)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1839082)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1842874, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1847444)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1848378)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1852170, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1856740)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1857674)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1861466, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1866036)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1866970)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1870762, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1875332)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1876266)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1880058, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1884628)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1885562)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_1889354, v('(', ')', end_of_file), 'I')
   Call: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1893924)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1894858)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1898650, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1903220)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1904154)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1907946, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1912516)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1913450)
   Exit: (234) [system] peek_char((0x56051b6b4f40), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1917242, v('(', ')', end_of_file), r)
   Call: (234) [system] ')'==r
   Call: (234) [system] get_char((0x56051b6b4f40), r)
   Exit: (234) [system] get_char((0x56051b6b4f40), r)
   Call: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1921812)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1922746)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1926538, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1931108)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1932042)
   Exit: (236) [system] peek_char((0x56051b6b4f40), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_1935834, v('(', ')', end_of_file), d)
   Call: (236) [system] ')'==d
   Call: (236) [system] get_char((0x56051b6b4f40), d)
   Exit: (236) [system] get_char((0x56051b6b4f40), d)
   Call: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1940404)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1941338)
   Exit: (237) [system] peek_char((0x56051b6b4f40), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_1945130, v('(', ')', end_of_file), u)
   Call: (237) [system] ')'==u
   Call: (237) [system] get_char((0x56051b6b4f40), u)
   Exit: (237) [system] get_char((0x56051b6b4f40), u)
   Call: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1949700)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1950634)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_1954426, v('(', ')', end_of_file), c)
   Call: (238) [system] ')'==c
   Call: (238) [system] get_char((0x56051b6b4f40), c)
   Exit: (238) [system] get_char((0x56051b6b4f40), c)
   Call: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1958996)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1959930)
   Exit: (239) [system] peek_char((0x56051b6b4f40), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1963722, v('(', ')', end_of_file), t)
   Call: (239) [system] ')'==t
   Call: (239) [system] get_char((0x56051b6b4f40), t)
   Exit: (239) [system] get_char((0x56051b6b4f40), t)
   Call: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1968292)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1969226)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1973018, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1977588)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1978522)
   Exit: (241) [system] peek_char((0x56051b6b4f40), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1982314, v('(', ')', end_of_file), o)
   Call: (241) [system] ')'==o
   Call: (241) [system] get_char((0x56051b6b4f40), o)
   Exit: (241) [system] get_char((0x56051b6b4f40), o)
   Call: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1986884)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1987818)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1991610, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1996180)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1997114)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1996180=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _1986884=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (241) [system] _1977588=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (240) [system] _1968292=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (239) [system] _1958996=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (238) [system] _1949700=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (237) [system] _1940404=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (236) [system] _1931108=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (235) [system] _1921812=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _1912516=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1903220=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1893924=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1884628=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1875332=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1866036=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1856740=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1847444=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1838148=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1828852=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1819556=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _1810260=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _1800964=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _1791668=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1771124)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_2067892, _2067894), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1771124), _2067868, fail)), '$restore_trace'(_2067892, _2067894))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_2067892, _2067894))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1771124), _2067868, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1771124)
   Call: (221) [system] atom_chars(_1771124, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _2076344)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _2078202)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _2085012)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _2087716)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _6568)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
   Call: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _10282)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _12140)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _20608)
   Exit: (220) [system] get_char((0x56051b6b4f40), a)
   Call: (220) [system] a='('
   Call: (220) [system] a='['
   Call: (220) [system] a='{'
   Call: (220) [system] a='"'
   Call: (220) [system] a=!
   Call: (220) [system] a='\''
   Call: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), a, _10282)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _30826)
   Call: (222) [system] peek_char((0x56051b6b4f40), _31760)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _30826=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq(a, [], _10282)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_41070, _41072), once(user:catch(read_from_chars([a], _10282), _41046, fail)), '$restore_trace'(_41070, _41072))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_41070, _41072))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _41046, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(a)
   Exit: (222) [system] atomic(a)
^  Exit: (221) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _48570)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _50428)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _57238)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _59942)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _69334)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
   Call: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _73048)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _74906)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _83374)
   Exit: (221) [system] get_char((0x56051b6b4f40), a)
   Call: (221) [system] a='('
   Call: (221) [system] a='['
   Call: (221) [system] a='{'
   Call: (221) [system] a='"'
   Call: (221) [system] a=!
   Call: (221) [system] a='\''
   Call: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), a, _73048)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _93592)
   Call: (223) [system] peek_char((0x56051b6b4f40), _94526)
   Exit: (223) [system] peek_char((0x56051b6b4f40), b)
^  Call: (223) [user] is_delimiter(b)
   Call: (224) [system] char_type(b, space)
   Call: (224) [system] arg(_98318, v('(', ')', end_of_file), b)
   Call: (223) [system] ')'==b
   Call: (223) [system] get_char((0x56051b6b4f40), b)
   Exit: (223) [system] get_char((0x56051b6b4f40), b)
   Call: (223) [system] b=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _102888)
   Call: (224) [system] peek_char((0x56051b6b4f40), _103822)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_107614, v('(', ')', end_of_file), c)
   Call: (224) [system] ')'==c
   Call: (224) [system] get_char((0x56051b6b4f40), c)
   Exit: (224) [system] get_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _112184)
   Call: (225) [system] peek_char((0x56051b6b4f40), _113118)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_116910, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _112184=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _102888=[c]
   Exit: (224) [system] [c]=[c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (223) [system] _93592=[b, c]
   Exit: (223) [system] [b, c]=[b, c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (222) [user] classify_and_convert_charseq(a, [b, c], _73048)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_128960, _128962), once(user:catch(read_from_chars([a, b, c], _73048), _128936, fail)), '$restore_trace'(_128960, _128962))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_128960, _128962))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _128936, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(abc)
   Exit: (223) [system] atomic(abc)
^  Exit: (222) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _136460)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _138318)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _146786)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _150576)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _136460=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _48570=[abc]
   Exit: (220) [system] [abc]=[abc]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (219) [system] _6214=[a, abc]
   Exit: (219) [system] [a, abc]=[a, abc]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [a, abc])
   Call: (218) [system] _6206=['DisjunctionIntroduction', a, abc]
   Exit: (218) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _164458)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _166316)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _174784)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _178574)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _164458=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _6202=[['DisjunctionIntroduction', a, abc]]
   Exit: (216) [system] [['DisjunctionIntroduction', a, abc]]=[['DisjunctionIntroduction', a, abc]]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, abc]])
   Call: (215) [system] _6196=[abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (215) [system] [abc, ['DisjunctionIntroduction', a, abc]]=[abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', a, abc]])
   Call: (214) [system] _6188=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
   Exit: (214) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _192456)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _194314)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _201124)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _203828)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _213220)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _216934)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _218792)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _227260)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _216934)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _232830)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'=(;)
^  Call: (216) [user] is_like_space('O')
   Call: (217) [system] char_type('O', 'white')
   Call: (217) [system] char_type('O', end_of_line)
   Call: (217) [system] char_type('O', space)
   Call: (217) [system] char_type('O', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _241298)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (215) [system] 'O'=')'
   Call: (215) [system] 'O'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _245012)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _246870)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _255338)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'='('
   Call: (216) [system] 'O'='['
   Call: (216) [system] 'O'='{'
   Call: (216) [system] 'O'='"'
   Call: (216) [system] 'O'=!
   Call: (216) [system] 'O'='\''
   Call: (216) [system] 'O'='`'
   Call: (216) [system] 'O'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _245012)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _265556)
   Call: (218) [system] peek_char((0x56051b6b4f40), _266490)
   Exit: (218) [system] peek_char((0x56051b6b4f40), r)
^  Call: (218) [user] is_delimiter(r)
   Call: (219) [system] char_type(r, space)
   Call: (219) [system] arg(_270282, v('(', ')', end_of_file), r)
   Call: (218) [system] ')'==r
   Call: (218) [system] get_char((0x56051b6b4f40), r)
   Exit: (218) [system] get_char((0x56051b6b4f40), r)
   Call: (218) [system] r=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _274852)
   Call: (219) [system] peek_char((0x56051b6b4f40), _275786)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (219) [user] is_delimiter('L')
   Call: (220) [system] char_type('L', space)
   Call: (220) [system] arg(_279578, v('(', ')', end_of_file), 'L')
   Call: (219) [system] ')'=='L'
   Call: (219) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (219) [system] get_char((0x56051b6b4f40), 'L')
   Call: (219) [system] 'L'=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _284148)
   Call: (220) [system] peek_char((0x56051b6b4f40), _285082)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_288874, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293444)
   Call: (221) [system] peek_char((0x56051b6b4f40), _294378)
   Exit: (221) [system] peek_char((0x56051b6b4f40), n)
^  Call: (221) [user] is_delimiter(n)
   Call: (222) [system] char_type(n, space)
   Call: (222) [system] arg(_298170, v('(', ')', end_of_file), n)
   Call: (221) [system] ')'==n
   Call: (221) [system] get_char((0x56051b6b4f40), n)
   Exit: (221) [system] get_char((0x56051b6b4f40), n)
   Call: (221) [system] n=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _302740)
   Call: (222) [system] peek_char((0x56051b6b4f40), _303674)
   Exit: (222) [system] peek_char((0x56051b6b4f40), k)
^  Call: (222) [user] is_delimiter(k)
   Call: (223) [system] char_type(k, space)
   Call: (223) [system] arg(_307466, v('(', ')', end_of_file), k)
   Call: (222) [system] ')'==k
   Call: (222) [system] get_char((0x56051b6b4f40), k)
   Exit: (222) [system] get_char((0x56051b6b4f40), k)
   Call: (222) [system] k=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _312036)
   Call: (223) [system] peek_char((0x56051b6b4f40), _312970)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _312036=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _302740=[k]
   Exit: (222) [system] [k]=[k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (221) [system] _293444=[n, k]
   Exit: (221) [system] [n, k]=[n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (220) [system] _284148=[i, n, k]
   Exit: (220) [system] [i, n, k]=[i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (219) [system] _274852=['L', i, n, k]
   Exit: (219) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (218) [system] _265556=[r, 'L', i, n, k]
   Exit: (218) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _245012)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_336250, _336252), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _245012), _336226, fail)), '$restore_trace'(_336250, _336252))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_336250, _336252))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _245012), _336226, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_245012)
   Call: (218) [system] atom_chars(_245012, ['O', r, 'L', i, n, k])
   Exit: (218) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (217) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _344702)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _346560)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _353370)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _356074)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _365466)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _369180)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _371038)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _379506)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _369180)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _385076)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=(;)
^  Call: (219) [user] is_like_space('I')
   Call: (220) [system] char_type('I', 'white')
   Call: (220) [system] char_type('I', end_of_line)
   Call: (220) [system] char_type('I', space)
   Call: (220) [system] char_type('I', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _393544)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (218) [system] 'I'=')'
   Call: (218) [system] 'I'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _397258)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _399116)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _407584)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'='('
   Call: (219) [system] 'I'='['
   Call: (219) [system] 'I'='{'
   Call: (219) [system] 'I'='"'
   Call: (219) [system] 'I'=!
   Call: (219) [system] 'I'='\''
   Call: (219) [system] 'I'='`'
   Call: (219) [system] 'I'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _397258)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _417802)
   Call: (221) [system] peek_char((0x56051b6b4f40), _418736)
   Exit: (221) [system] peek_char((0x56051b6b4f40), m)
^  Call: (221) [user] is_delimiter(m)
   Call: (222) [system] char_type(m, space)
   Call: (222) [system] arg(_422528, v('(', ')', end_of_file), m)
   Call: (221) [system] ')'==m
   Call: (221) [system] get_char((0x56051b6b4f40), m)
   Exit: (221) [system] get_char((0x56051b6b4f40), m)
   Call: (221) [system] m=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _427098)
   Call: (222) [system] peek_char((0x56051b6b4f40), _428032)
   Exit: (222) [system] peek_char((0x56051b6b4f40), p)
^  Call: (222) [user] is_delimiter(p)
   Call: (223) [system] char_type(p, space)
   Call: (223) [system] arg(_431824, v('(', ')', end_of_file), p)
   Call: (222) [system] ')'==p
   Call: (222) [system] get_char((0x56051b6b4f40), p)
   Exit: (222) [system] get_char((0x56051b6b4f40), p)
   Call: (222) [system] p=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _436394)
   Call: (223) [system] peek_char((0x56051b6b4f40), _437328)
   Exit: (223) [system] peek_char((0x56051b6b4f40), l)
^  Call: (223) [user] is_delimiter(l)
   Call: (224) [system] char_type(l, space)
   Call: (224) [system] arg(_441120, v('(', ')', end_of_file), l)
   Call: (223) [system] ')'==l
   Call: (223) [system] get_char((0x56051b6b4f40), l)
   Exit: (223) [system] get_char((0x56051b6b4f40), l)
   Call: (223) [system] l=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _445690)
   Call: (224) [system] peek_char((0x56051b6b4f40), _446624)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_450416, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454986)
   Call: (225) [system] peek_char((0x56051b6b4f40), _455920)
   Exit: (225) [system] peek_char((0x56051b6b4f40), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_459712, v('(', ')', end_of_file), c)
   Call: (225) [system] ')'==c
   Call: (225) [system] get_char((0x56051b6b4f40), c)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _464282)
   Call: (226) [system] peek_char((0x56051b6b4f40), _465216)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
^  Call: (226) [user] is_delimiter(a)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] arg(_469008, v('(', ')', end_of_file), a)
   Call: (226) [system] ')'==a
   Call: (226) [system] get_char((0x56051b6b4f40), a)
   Exit: (226) [system] get_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _473578)
   Call: (227) [system] peek_char((0x56051b6b4f40), _474512)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_478304, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _482874)
   Call: (228) [system] peek_char((0x56051b6b4f40), _483808)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_487600, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _492170)
   Call: (229) [system] peek_char((0x56051b6b4f40), _493104)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_496896, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _501466)
   Call: (230) [system] peek_char((0x56051b6b4f40), _502400)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_506192, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _510762)
   Call: (231) [system] peek_char((0x56051b6b4f40), _511696)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _510762=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _501466=[n]
   Exit: (230) [system] [n]=[n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (229) [system] _492170=[o, n]
   Exit: (229) [system] [o, n]=[o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (228) [system] _482874=[i, o, n]
   Exit: (228) [system] [i, o, n]=[i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (227) [system] _473578=[t, i, o, n]
   Exit: (227) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (226) [system] _464282=[a, t, i, o, n]
   Exit: (226) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (225) [system] _454986=[c, a, t, i, o, n]
   Exit: (225) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (224) [system] _445690=[i, c, a, t, i, o, n]
   Exit: (224) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (223) [system] _436394=[l, i, c, a, t, i, o, n]
   Exit: (223) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (222) [system] _427098=[p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (221) [system] _417802=[m, p, l, i, c, a, t, i, o, n]
   Exit: (221) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _397258)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_548946, _548948), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _397258), _548922, fail)), '$restore_trace'(_548946, _548948))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_548946, _548948))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _397258), _548922, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_397258)
   Call: (221) [system] atom_chars(_397258, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (221) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _557398)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _559256)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _566066)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _568770)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _578162)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _581876)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _583734)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _592202)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _581876)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _597772)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _606240)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _609954)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _611812)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _620280)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _609954)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _630498)
   Call: (224) [system] peek_char((0x56051b6b4f40), _631432)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_635224, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _639794)
   Call: (225) [system] peek_char((0x56051b6b4f40), _640728)
   Exit: (225) [system] peek_char((0x56051b6b4f40), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_644520, v('(', ')', end_of_file), d)
   Call: (225) [system] ')'==d
   Call: (225) [system] get_char((0x56051b6b4f40), d)
   Exit: (225) [system] get_char((0x56051b6b4f40), d)
   Call: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _649090)
   Call: (226) [system] peek_char((0x56051b6b4f40), _650024)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_653816, v('(', ')', end_of_file), 'L')
   Call: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (226) [system] get_char((0x56051b6b4f40), 'L')
   Call: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _658386)
   Call: (227) [system] peek_char((0x56051b6b4f40), _659320)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_663112, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _667682)
   Call: (228) [system] peek_char((0x56051b6b4f40), _668616)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_672408, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _676978)
   Call: (229) [system] peek_char((0x56051b6b4f40), _677912)
   Exit: (229) [system] peek_char((0x56051b6b4f40), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_681704, v('(', ')', end_of_file), k)
   Call: (229) [system] ')'==k
   Call: (229) [system] get_char((0x56051b6b4f40), k)
   Exit: (229) [system] get_char((0x56051b6b4f40), k)
   Call: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _686274)
   Call: (230) [system] peek_char((0x56051b6b4f40), _687208)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _686274=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _676978=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (228) [system] _667682=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (227) [system] _658386=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (226) [system] _649090=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (225) [system] _639794=[d, 'L', i, n, k]
   Exit: (225) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (224) [system] _630498=[n, d, 'L', i, n, k]
   Exit: (224) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _609954)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_713282, _713284), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _609954), _713258, fail)), '$restore_trace'(_713282, _713284))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_713282, _713284))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _609954), _713258, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_609954)
   Call: (224) [system] atom_chars(_609954, ['A', n, d, 'L', i, n, k])
   Exit: (224) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _721734)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _723592)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _730402)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _733106)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _742498)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _746212)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _748070)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _756538)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _746212)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _766756)
   Call: (225) [system] peek_char((0x56051b6b4f40), _767690)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _766756=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('A', [], _746212)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_777000, _777002), once(user:catch(read_from_chars(['A'], _746212), _776976, fail)), '$restore_trace'(_777000, _777002))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_777000, _777002))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _746212), _776976, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_746212)
   Call: (225) [system] atom_chars(_746212, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _785452)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _787310)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _794120)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _796824)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'=(;)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _806216)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (223) [system] 'B'=')'
   Call: (223) [system] 'B'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _809930)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _811788)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'=(;)
^  Call: (225) [user] is_like_space('B')
   Call: (226) [system] char_type('B', 'white')
   Call: (226) [system] char_type('B', end_of_line)
   Call: (226) [system] char_type('B', space)
   Call: (226) [system] char_type('B', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _820256)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'='('
   Call: (224) [system] 'B'='['
   Call: (224) [system] 'B'='{'
   Call: (224) [system] 'B'='"'
   Call: (224) [system] 'B'=!
   Call: (224) [system] 'B'='\''
   Call: (224) [system] 'B'='`'
   Call: (224) [system] 'B'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _809930)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _830474)
   Call: (226) [system] peek_char((0x56051b6b4f40), _831408)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_835200, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _830474=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('B', [], _809930)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_841662, _841664), once(user:catch(read_from_chars(['B'], _809930), _841638, fail)), '$restore_trace'(_841662, _841664))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_841662, _841664))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _809930), _841638, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_809930)
   Call: (226) [system] atom_chars(_809930, ['B'])
   Exit: (226) [system] atom_chars('B', ['B'])
^  Exit: (225) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _850114)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _851972)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _860440)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _864230)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _850114=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _785452=['B']
   Exit: (223) [system] ['B']=['B']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (222) [system] _721734=['A', 'B']
   Exit: (222) [system] ['A', 'B']=['A', 'B']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (221) [system] _581876=['AndLink', 'A', 'B']
   Exit: (221) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _878112)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _879970)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _886780)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _889484)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _898876)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (220) [system] 'C'=')'
   Call: (220) [system] 'C'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _902590)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _904448)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'=(;)
^  Call: (222) [user] is_like_space('C')
   Call: (223) [system] char_type('C', 'white')
   Call: (223) [system] char_type('C', end_of_line)
   Call: (223) [system] char_type('C', space)
   Call: (223) [system] char_type('C', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _912916)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'C')
   Call: (221) [system] 'C'='('
   Call: (221) [system] 'C'='['
   Call: (221) [system] 'C'='{'
   Call: (221) [system] 'C'='"'
   Call: (221) [system] 'C'=!
   Call: (221) [system] 'C'='\''
   Call: (221) [system] 'C'='`'
   Call: (221) [system] 'C'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _902590)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _923134)
   Call: (223) [system] peek_char((0x56051b6b4f40), _924068)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (223) [user] is_delimiter(')')
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] arg(_927860, v('(', ')', end_of_file), ')')
   Exit: (224) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (223) [user] is_delimiter(')')
   Call: (223) [system] _923134=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('C', [], _902590)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_934322, _934324), once(user:catch(read_from_chars(['C'], _902590), _934298, fail)), '$restore_trace'(_934322, _934324))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_934322, _934324))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _902590), _934298, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_902590)
   Call: (223) [system] atom_chars(_902590, ['C'])
   Exit: (223) [system] atom_chars('C', ['C'])
^  Exit: (222) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _942774)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _944632)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _953100)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _956890)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _942774=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _878112=['C']
   Exit: (220) [system] ['C']=['C']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (219) [system] _557398=[['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (218) [system] _369180=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (218) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _970772)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _972630)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _979440)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _982144)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _991536)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _995250)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _997108)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1005576)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _995250)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1011146)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1019614)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1023328)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1025186)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1033654)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1023328)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1043872)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1044806)
   Exit: (222) [system] peek_char((0x56051b6b4f40), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_1048598, v('(', ')', end_of_file), r)
   Call: (222) [system] ')'==r
   Call: (222) [system] get_char((0x56051b6b4f40), r)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1053168)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1054102)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_1057894, v('(', ')', end_of_file), 'L')
   Call: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (223) [system] get_char((0x56051b6b4f40), 'L')
   Call: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1062464)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1063398)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1067190, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1071760)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1072694)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1076486, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1081056)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1081990)
   Exit: (226) [system] peek_char((0x56051b6b4f40), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_1085782, v('(', ')', end_of_file), k)
   Call: (226) [system] ')'==k
   Call: (226) [system] get_char((0x56051b6b4f40), k)
   Exit: (226) [system] get_char((0x56051b6b4f40), k)
   Call: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1090352)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1091286)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1090352=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _1081056=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (225) [system] _1071760=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (224) [system] _1062464=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (223) [system] _1053168=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (222) [system] _1043872=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1023328)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1114566, _1114568), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1023328), _1114542, fail)), '$restore_trace'(_1114566, _1114568))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1114566, _1114568))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1023328), _1114542, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1023328)
   Call: (222) [system] atom_chars(_1023328, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1123018)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1124876)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1131686)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1134390)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1143782)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (220) [system] 'A'=')'
   Call: (220) [system] 'A'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1147496)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1149354)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=(;)
^  Call: (222) [user] is_like_space('A')
   Call: (223) [system] char_type('A', 'white')
   Call: (223) [system] char_type('A', end_of_line)
   Call: (223) [system] char_type('A', space)
   Call: (223) [system] char_type('A', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1157822)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'='('
   Call: (221) [system] 'A'='['
   Call: (221) [system] 'A'='{'
   Call: (221) [system] 'A'='"'
   Call: (221) [system] 'A'=!
   Call: (221) [system] 'A'='\''
   Call: (221) [system] 'A'='`'
   Call: (221) [system] 'A'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1147496)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1168040)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1168974)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1168040=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq('A', [], _1147496)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1178284, _1178286), once(user:catch(read_from_chars(['A'], _1147496), _1178260, fail)), '$restore_trace'(_1178284, _1178286))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1178284, _1178286))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1147496), _1178260, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1147496)
   Call: (223) [system] atom_chars(_1147496, ['A'])
   Exit: (223) [system] atom_chars('A', ['A'])
^  Exit: (222) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1186736)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1188594)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1195404)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1198108)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1207500)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1211214)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1213072)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1221540)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1211214)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1227110)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=(;)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1235578)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1239292)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1241150)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1249618)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1239292)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1259836)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1260770)
   Exit: (226) [system] peek_char((0x56051b6b4f40), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_1264562, v('(', ')', end_of_file), m)
   Call: (226) [system] ')'==m
   Call: (226) [system] get_char((0x56051b6b4f40), m)
   Exit: (226) [system] get_char((0x56051b6b4f40), m)
   Call: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1269132)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1270066)
   Exit: (227) [system] peek_char((0x56051b6b4f40), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_1273858, v('(', ')', end_of_file), p)
   Call: (227) [system] ')'==p
   Call: (227) [system] get_char((0x56051b6b4f40), p)
   Exit: (227) [system] get_char((0x56051b6b4f40), p)
   Call: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1278428)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1279362)
   Exit: (228) [system] peek_char((0x56051b6b4f40), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_1283154, v('(', ')', end_of_file), l)
   Call: (228) [system] ')'==l
   Call: (228) [system] get_char((0x56051b6b4f40), l)
   Exit: (228) [system] get_char((0x56051b6b4f40), l)
   Call: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1287724)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1288658)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1292450, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1297020)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1297954)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1301746, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1306316)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1307250)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_1311042, v('(', ')', end_of_file), a)
   Call: (231) [system] ')'==a
   Call: (231) [system] get_char((0x56051b6b4f40), a)
   Exit: (231) [system] get_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1315612)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1316546)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1320338, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1324908)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1325842)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1329634, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1334204)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1335138)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1338930, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1343500)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1344434)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1348226, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1352796)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1353730)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1352796=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _1343500=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (234) [system] _1334204=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (233) [system] _1324908=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (232) [system] _1315612=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (231) [system] _1306316=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (230) [system] _1297020=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (229) [system] _1287724=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (228) [system] _1278428=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _1269132=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _1259836=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1239292)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1390980, _1390982), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1239292), _1390956, fail)), '$restore_trace'(_1390980, _1390982))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1390980, _1390982))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1239292), _1390956, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1239292)
   Call: (226) [system] atom_chars(_1239292, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1399432)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1401290)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1408100)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1410804)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1420196)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1423910)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1425768)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1434236)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1423910)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1439806)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1448274)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1451988)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1453846)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1462314)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1451988)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1472532)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1473466)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1477258, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1481828)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1482762)
   Exit: (230) [system] peek_char((0x56051b6b4f40), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1486554, v('(', ')', end_of_file), d)
   Call: (230) [system] ')'==d
   Call: (230) [system] get_char((0x56051b6b4f40), d)
   Exit: (230) [system] get_char((0x56051b6b4f40), d)
   Call: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1491124)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1492058)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1495850, v('(', ')', end_of_file), 'L')
   Call: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'L')
   Call: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1500420)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1501354)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1505146, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1509716)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1510650)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1514442, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1519012)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1519946)
   Exit: (234) [system] peek_char((0x56051b6b4f40), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1523738, v('(', ')', end_of_file), k)
   Call: (234) [system] ')'==k
   Call: (234) [system] get_char((0x56051b6b4f40), k)
   Exit: (234) [system] get_char((0x56051b6b4f40), k)
   Call: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1528308)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1529242)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1528308=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _1519012=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (233) [system] _1509716=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (232) [system] _1500420=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (231) [system] _1491124=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (230) [system] _1481828=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (229) [system] _1472532=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1451988)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1555316, _1555318), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1451988), _1555292, fail)), '$restore_trace'(_1555316, _1555318))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1555316, _1555318))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1451988), _1555292, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1451988)
   Call: (229) [system] atom_chars(_1451988, ['A', n, d, 'L', i, n, k])
   Exit: (229) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1563768)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1565626)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1572436)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1575140)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1584532)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1588246)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1590104)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1598572)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1588246)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1608790)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1609724)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1608790=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('A', [], _1588246)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1619034, _1619036), once(user:catch(read_from_chars(['A'], _1588246), _1619010, fail)), '$restore_trace'(_1619034, _1619036))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1619034, _1619036))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1588246), _1619010, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1588246)
   Call: (230) [system] atom_chars(_1588246, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1627486)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1629344)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1636154)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1638858)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1648250)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1651964)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1653822)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1662290)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1651964)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1672508)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1673442)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1677234, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1672508=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('B', [], _1651964)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1683696, _1683698), once(user:catch(read_from_chars(['B'], _1651964), _1683672, fail)), '$restore_trace'(_1683696, _1683698))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1683696, _1683698))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1651964), _1683672, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1651964)
   Call: (231) [system] atom_chars(_1651964, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1692148)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1694006)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1702474)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _1706264)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _1692148=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1627486=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (227) [system] _1563768=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (226) [system] _1423910=['AndLink', 'A', 'B']
   Exit: (226) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1720146)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1722004)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1728814)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1731518)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1740910)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1744624)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1746482)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1754950)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1744624)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1765168)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1766102)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1769894, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1765168=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('C', [], _1744624)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1776356, _1776358), once(user:catch(read_from_chars(['C'], _1744624), _1776332, fail)), '$restore_trace'(_1776356, _1776358))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1776356, _1776358))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1744624), _1776332, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1744624)
   Call: (228) [system] atom_chars(_1744624, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1784808)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1786666)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1795134)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _1798924)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _1784808=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1720146=['C']
   Exit: (225) [system] ['C']=['C']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (224) [system] _1399432=[['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (223) [system] _1211214=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1812806)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1814664)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1823132)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _1826922)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _1812806=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _1186736=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (221) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (220) [system] _1123018=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (220) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (219) [system] _995250=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (219) [system] ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1840804)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1842662)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1851130)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _1854920)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _1840804=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _970772=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (217) [system] [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (216) [system] _344702=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (216) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (215) [system] _216934=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (215) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _1868802)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1870660)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=(;)
^  Call: (215) [user] is_like_space(')')
   Call: (216) [system] char_type(')', 'white')
   Call: (216) [system] char_type(')', end_of_line)
   Call: (216) [system] char_type(')', space)
   Call: (216) [system] char_type(')', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1879128)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ')')
   Call: (214) [system] ')'=')'
   Exit: (214) [system] ')'=')'
   Call: (214) [system] get_char((0x56051b6b4f40), _1882918)
   Exit: (214) [system] get_char((0x56051b6b4f40), ')')
   Call: (214) [system] _1868802=[]
   Exit: (214) [system] []=[]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (213) [system] _192456=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (213) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (212) [system] _6184=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (212) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (211) [system] _6176=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (211) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (210) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (209) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (209) [user] read_list(')', (0x56051b6b4f40), _1896800)
^  Call: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _1898658)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (211) [system] '\n'=(;)
^  Call: (211) [user] is_like_space('\n')
   Call: (212) [system] char_type('\n', 'white')
   Call: (212) [system] char_type('\n', end_of_line)
   Exit: (212) [system] char_type('\n', end_of_line)
^  Exit: (211) [user] is_like_space('\n')
   Call: (211) [system] get_char((0x56051b6b4f40), _1906274)
   Exit: (211) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1908978)
   Exit: (212) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (212) [system] ' '=(;)
^  Call: (212) [user] is_like_space(' ')
   Call: (213) [system] char_type(' ', 'white')
   Exit: (213) [system] char_type(' ', 'white')
^  Exit: (212) [user] is_like_space(' ')
   Call: (212) [system] get_char((0x56051b6b4f40), _1915788)
   Exit: (212) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1918492)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (210) [user] skip_spaces((0x56051b6b4f40))
   Call: (210) [system] peek_char((0x56051b6b4f40), _1928808)
   Exit: (210) [system] peek_char((0x56051b6b4f40), '(')
   Call: (210) [system] '('=')'
   Call: (210) [system] '('=end_of_file
^  Call: (210) [user] cont_sexpr(')', (0x56051b6b4f40), _1932522)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1934380)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=(;)
^  Call: (212) [user] is_like_space('(')
   Call: (213) [system] char_type('(', 'white')
   Call: (213) [system] char_type('(', end_of_line)
   Call: (213) [system] char_type('(', space)
   Call: (213) [system] char_type('(', cntrl)
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] get_char((0x56051b6b4f40), _1942848)
   Exit: (211) [system] get_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('='('
   Exit: (211) [system] '('='('
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _1932522)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _1948418)
   Exit: (213) [system] peek_char((0x56051b6b4f40), :)
   Call: (213) [system] (:)=(;)
^  Call: (213) [user] is_like_space(:)
   Call: (214) [system] char_type(:, 'white')
   Call: (214) [system] char_type(:, end_of_line)
   Call: (214) [system] char_type(:, space)
   Call: (214) [system] char_type(:, cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _1956886)
   Exit: (212) [system] peek_char((0x56051b6b4f40), :)
   Call: (212) [system] (:)=')'
   Call: (212) [system] (:)=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _1960600)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _1962458)
   Exit: (214) [system] peek_char((0x56051b6b4f40), :)
   Call: (214) [system] (:)=(;)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _1970926)
   Exit: (213) [system] get_char((0x56051b6b4f40), :)
   Call: (213) [system] (:)='('
   Call: (213) [system] (:)='['
   Call: (213) [system] (:)='{'
   Call: (213) [system] (:)='"'
   Call: (213) [system] (:)=!
   Call: (213) [system] (:)='\''
   Call: (213) [system] (:)='`'
   Call: (213) [system] (:)=end_of_file
^  Call: (213) [user] read_symbolic(')', (0x56051b6b4f40), :, _1960600)
^  Call: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1981144)
   Call: (215) [system] peek_char((0x56051b6b4f40), _1982078)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] is_delimiter(' ')
   Call: (216) [system] char_type(' ', space)
   Exit: (216) [system] char_type(' ', space)
^  Exit: (215) [user] is_delimiter(' ')
   Call: (215) [system] _1981144=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (214) [user] classify_and_convert_charseq(:, [], _1960600)
^  Call: (216) [system] setup_call_cleanup('$notrace'(_1991388, _1991390), once(user:catch(read_from_chars([:], _1960600), _1991364, fail)), '$restore_trace'(_1991388, _1991390))
^  Call: (217) [system] sig_atomic(system:'$notrace'(_1991388, _1991390))
^  Exit: (216) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1991364, fail)), system:'$restore_trace'(3, -1))
   Call: (215) [system] atomic(:)
   Exit: (215) [system] atomic(:)
^  Exit: (214) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (213) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _1998888)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _2000746)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _2007556)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2010260)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _2019652)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _2023366)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2025224)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _2033692)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _2023366)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _2039262)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=(;)
^  Call: (216) [user] is_like_space('D')
   Call: (217) [system] char_type('D', 'white')
   Call: (217) [system] char_type('D', end_of_line)
   Call: (217) [system] char_type('D', space)
   Call: (217) [system] char_type('D', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2047730)
   Exit: (215) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (215) [system] 'D'=')'
   Call: (215) [system] 'D'=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _2051444)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _2053302)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _2061770)
   Exit: (216) [system] get_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'='('
   Call: (216) [system] 'D'='['
   Call: (216) [system] 'D'='{'
   Call: (216) [system] 'D'='"'
   Call: (216) [system] 'D'=!
   Call: (216) [system] 'D'='\''
   Call: (216) [system] 'D'='`'
   Call: (216) [system] 'D'=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _2051444)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2071988)
   Call: (218) [system] peek_char((0x56051b6b4f40), _2072922)
   Exit: (218) [system] peek_char((0x56051b6b4f40), i)
^  Call: (218) [user] is_delimiter(i)
   Call: (219) [system] char_type(i, space)
   Call: (219) [system] arg(_2076714, v('(', ')', end_of_file), i)
   Call: (218) [system] ')'==i
   Call: (218) [system] get_char((0x56051b6b4f40), i)
   Exit: (218) [system] get_char((0x56051b6b4f40), i)
   Call: (218) [system] i=(\)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2081284)
   Call: (219) [system] peek_char((0x56051b6b4f40), _2082218)
   Exit: (219) [system] peek_char((0x56051b6b4f40), s)
^  Call: (219) [user] is_delimiter(s)
   Call: (220) [system] char_type(s, space)
   Call: (220) [system] arg(_2086010, v('(', ')', end_of_file), s)
   Call: (219) [system] ')'==s
   Call: (219) [system] get_char((0x56051b6b4f40), s)
   Exit: (219) [system] get_char((0x56051b6b4f40), s)
   Call: (219) [system] s=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2090580)
   Call: (220) [system] peek_char((0x56051b6b4f40), _2091514)
   Exit: (220) [system] peek_char((0x56051b6b4f40), j)
^  Call: (220) [user] is_delimiter(j)
   Call: (221) [system] char_type(j, space)
   Call: (221) [system] arg(_2095306, v('(', ')', end_of_file), j)
   Call: (220) [system] ')'==j
   Call: (220) [system] get_char((0x56051b6b4f40), j)
   Exit: (220) [system] get_char((0x56051b6b4f40), j)
   Call: (220) [system] j=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _9514)
   Call: (221) [system] peek_char((0x56051b6b4f40), _10448)
   Exit: (221) [system] peek_char((0x56051b6b4f40), u)
^  Call: (221) [user] is_delimiter(u)
   Call: (222) [system] char_type(u, space)
   Call: (222) [system] arg(_14240, v('(', ')', end_of_file), u)
   Call: (221) [system] ')'==u
   Call: (221) [system] get_char((0x56051b6b4f40), u)
   Exit: (221) [system] get_char((0x56051b6b4f40), u)
   Call: (221) [system] u=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _18810)
   Call: (222) [system] peek_char((0x56051b6b4f40), _19744)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_23536, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _28106)
   Call: (223) [system] peek_char((0x56051b6b4f40), _29040)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_32832, v('(', ')', end_of_file), c)
   Call: (223) [system] ')'==c
   Call: (223) [system] get_char((0x56051b6b4f40), c)
   Exit: (223) [system] get_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _37402)
   Call: (224) [system] peek_char((0x56051b6b4f40), _38336)
   Exit: (224) [system] peek_char((0x56051b6b4f40), t)
^  Call: (224) [user] is_delimiter(t)
   Call: (225) [system] char_type(t, space)
   Call: (225) [system] arg(_42128, v('(', ')', end_of_file), t)
   Call: (224) [system] ')'==t
   Call: (224) [system] get_char((0x56051b6b4f40), t)
   Exit: (224) [system] get_char((0x56051b6b4f40), t)
   Call: (224) [system] t=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _46698)
   Call: (225) [system] peek_char((0x56051b6b4f40), _47632)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_51424, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _55994)
   Call: (226) [system] peek_char((0x56051b6b4f40), _56928)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_60720, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _65290)
   Call: (227) [system] peek_char((0x56051b6b4f40), _66224)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_70016, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _74586)
   Call: (228) [system] peek_char((0x56051b6b4f40), _75520)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (228) [user] is_delimiter('I')
   Call: (229) [system] char_type('I', space)
   Call: (229) [system] arg(_79312, v('(', ')', end_of_file), 'I')
   Call: (228) [system] ')'=='I'
   Call: (228) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (228) [system] get_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _83882)
   Call: (229) [system] peek_char((0x56051b6b4f40), _84816)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_88608, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _93178)
   Call: (230) [system] peek_char((0x56051b6b4f40), _94112)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_97904, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _102474)
   Call: (231) [system] peek_char((0x56051b6b4f40), _103408)
   Exit: (231) [system] peek_char((0x56051b6b4f40), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_107200, v('(', ')', end_of_file), r)
   Call: (231) [system] ')'==r
   Call: (231) [system] get_char((0x56051b6b4f40), r)
   Exit: (231) [system] get_char((0x56051b6b4f40), r)
   Call: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _111770)
   Call: (232) [system] peek_char((0x56051b6b4f40), _112704)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_116496, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _121066)
   Call: (233) [system] peek_char((0x56051b6b4f40), _122000)
   Exit: (233) [system] peek_char((0x56051b6b4f40), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_125792, v('(', ')', end_of_file), d)
   Call: (233) [system] ')'==d
   Call: (233) [system] get_char((0x56051b6b4f40), d)
   Exit: (233) [system] get_char((0x56051b6b4f40), d)
   Call: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _130362)
   Call: (234) [system] peek_char((0x56051b6b4f40), _131296)
   Exit: (234) [system] peek_char((0x56051b6b4f40), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_135088, v('(', ')', end_of_file), u)
   Call: (234) [system] ')'==u
   Call: (234) [system] get_char((0x56051b6b4f40), u)
   Exit: (234) [system] get_char((0x56051b6b4f40), u)
   Call: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _139658)
   Call: (235) [system] peek_char((0x56051b6b4f40), _140592)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_144384, v('(', ')', end_of_file), c)
   Call: (235) [system] ')'==c
   Call: (235) [system] get_char((0x56051b6b4f40), c)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _148954)
   Call: (236) [system] peek_char((0x56051b6b4f40), _149888)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_153680, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _158250)
   Call: (237) [system] peek_char((0x56051b6b4f40), _159184)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_162976, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _167546)
   Call: (238) [system] peek_char((0x56051b6b4f40), _168480)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_172272, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _176842)
   Call: (239) [system] peek_char((0x56051b6b4f40), _177776)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_181568, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _186138)
   Call: (240) [system] peek_char((0x56051b6b4f40), _187072)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _186138=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _176842=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (238) [system] _167546=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (237) [system] _158250=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (236) [system] _148954=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (235) [system] _139658=[c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (234) [system] _130362=[u, c, t, i, o, n]
   Exit: (234) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (233) [system] _121066=[d, u, c, t, i, o, n]
   Exit: (233) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (232) [system] _111770=[o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (231) [system] _102474=[r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _93178=[t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _83882=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _74586=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _65290=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _55994=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _46698=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _37402=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _28106=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _18810=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _9514=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _6374=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _6370=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (218) [system] _6366=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (218) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6362)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_257850, _257852), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6362), _257826, fail)), '$restore_trace'(_257850, _257852))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_257850, _257852))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _6362), _257826, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(_6362)
   Call: (218) [system] atom_chars(_6362, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (218) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (217) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _266302)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _268160)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _274970)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _277674)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _287066)
   Exit: (216) [system] peek_char((0x56051b6b4f40), a)
   Call: (216) [system] a=')'
   Call: (216) [system] a=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _290780)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _292638)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=(;)
^  Call: (218) [user] is_like_space(a)
   Call: (219) [system] char_type(a, 'white')
   Call: (219) [system] char_type(a, end_of_line)
   Call: (219) [system] char_type(a, space)
   Call: (219) [system] char_type(a, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _301106)
   Exit: (217) [system] get_char((0x56051b6b4f40), a)
   Call: (217) [system] a='('
   Call: (217) [system] a='['
   Call: (217) [system] a='{'
   Call: (217) [system] a='"'
   Call: (217) [system] a=!
   Call: (217) [system] a='\''
   Call: (217) [system] a='`'
   Call: (217) [system] a=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), a, _290780)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _311324)
   Call: (219) [system] peek_char((0x56051b6b4f40), _312258)
   Exit: (219) [system] peek_char((0x56051b6b4f40), b)
^  Call: (219) [user] is_delimiter(b)
   Call: (220) [system] char_type(b, space)
   Call: (220) [system] arg(_316050, v('(', ')', end_of_file), b)
   Call: (219) [system] ')'==b
   Call: (219) [system] get_char((0x56051b6b4f40), b)
   Exit: (219) [system] get_char((0x56051b6b4f40), b)
   Call: (219) [system] b=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _320620)
   Call: (220) [system] peek_char((0x56051b6b4f40), _321554)
   Exit: (220) [system] peek_char((0x56051b6b4f40), c)
^  Call: (220) [user] is_delimiter(c)
   Call: (221) [system] char_type(c, space)
   Call: (221) [system] arg(_325346, v('(', ')', end_of_file), c)
   Call: (220) [system] ')'==c
   Call: (220) [system] get_char((0x56051b6b4f40), c)
   Exit: (220) [system] get_char((0x56051b6b4f40), c)
   Call: (220) [system] c=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _329916)
   Call: (221) [system] peek_char((0x56051b6b4f40), _330850)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _329916=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (220) [system] _320620=[c]
   Exit: (220) [system] [c]=[c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (219) [system] _311324=[b, c]
   Exit: (219) [system] [b, c]=[b, c]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (218) [user] classify_and_convert_charseq(a, [b, c], _290780)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_345748, _345750), once(user:catch(read_from_chars([a, b, c], _290780), _345724, fail)), '$restore_trace'(_345748, _345750))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_345748, _345750))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _345724, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(abc)
   Exit: (219) [system] atomic(abc)
^  Exit: (218) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _353248)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _355106)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _361916)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _364620)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _374012)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _377726)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _379584)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _388052)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _377726)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _393622)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _402090)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _405804)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _407662)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'=(;)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _416130)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _405804)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _426348)
   Call: (222) [system] peek_char((0x56051b6b4f40), _427282)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_431074, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _435644)
   Call: (223) [system] peek_char((0x56051b6b4f40), _436578)
   Exit: (223) [system] peek_char((0x56051b6b4f40), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_440370, v('(', ')', end_of_file), s)
   Call: (223) [system] ')'==s
   Call: (223) [system] get_char((0x56051b6b4f40), s)
   Exit: (223) [system] get_char((0x56051b6b4f40), s)
   Call: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _444940)
   Call: (224) [system] peek_char((0x56051b6b4f40), _445874)
   Exit: (224) [system] peek_char((0x56051b6b4f40), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_449666, v('(', ')', end_of_file), j)
   Call: (224) [system] ')'==j
   Call: (224) [system] get_char((0x56051b6b4f40), j)
   Exit: (224) [system] get_char((0x56051b6b4f40), j)
   Call: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454236)
   Call: (225) [system] peek_char((0x56051b6b4f40), _455170)
   Exit: (225) [system] peek_char((0x56051b6b4f40), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_458962, v('(', ')', end_of_file), u)
   Call: (225) [system] ')'==u
   Call: (225) [system] get_char((0x56051b6b4f40), u)
   Exit: (225) [system] get_char((0x56051b6b4f40), u)
   Call: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _463532)
   Call: (226) [system] peek_char((0x56051b6b4f40), _464466)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_468258, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _472828)
   Call: (227) [system] peek_char((0x56051b6b4f40), _473762)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_477554, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _482124)
   Call: (228) [system] peek_char((0x56051b6b4f40), _483058)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_486850, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _491420)
   Call: (229) [system] peek_char((0x56051b6b4f40), _492354)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_496146, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _500716)
   Call: (230) [system] peek_char((0x56051b6b4f40), _501650)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_505442, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _510012)
   Call: (231) [system] peek_char((0x56051b6b4f40), _510946)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_514738, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _519308)
   Call: (232) [system] peek_char((0x56051b6b4f40), _520242)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_524034, v('(', ')', end_of_file), 'I')
   Call: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (232) [system] get_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _528604)
   Call: (233) [system] peek_char((0x56051b6b4f40), _529538)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_533330, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _537900)
   Call: (234) [system] peek_char((0x56051b6b4f40), _538834)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_542626, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _547196)
   Call: (235) [system] peek_char((0x56051b6b4f40), _548130)
   Exit: (235) [system] peek_char((0x56051b6b4f40), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_551922, v('(', ')', end_of_file), r)
   Call: (235) [system] ')'==r
   Call: (235) [system] get_char((0x56051b6b4f40), r)
   Exit: (235) [system] get_char((0x56051b6b4f40), r)
   Call: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _556492)
   Call: (236) [system] peek_char((0x56051b6b4f40), _557426)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_561218, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _565788)
   Call: (237) [system] peek_char((0x56051b6b4f40), _566722)
   Exit: (237) [system] peek_char((0x56051b6b4f40), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_570514, v('(', ')', end_of_file), d)
   Call: (237) [system] ')'==d
   Call: (237) [system] get_char((0x56051b6b4f40), d)
   Exit: (237) [system] get_char((0x56051b6b4f40), d)
   Call: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _575084)
   Call: (238) [system] peek_char((0x56051b6b4f40), _576018)
   Exit: (238) [system] peek_char((0x56051b6b4f40), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_579810, v('(', ')', end_of_file), u)
   Call: (238) [system] ')'==u
   Call: (238) [system] get_char((0x56051b6b4f40), u)
   Exit: (238) [system] get_char((0x56051b6b4f40), u)
   Call: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _584380)
   Call: (239) [system] peek_char((0x56051b6b4f40), _585314)
   Exit: (239) [system] peek_char((0x56051b6b4f40), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_589106, v('(', ')', end_of_file), c)
   Call: (239) [system] ')'==c
   Call: (239) [system] get_char((0x56051b6b4f40), c)
   Exit: (239) [system] get_char((0x56051b6b4f40), c)
   Call: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _593676)
   Call: (240) [system] peek_char((0x56051b6b4f40), _594610)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_598402, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _602972)
   Call: (241) [system] peek_char((0x56051b6b4f40), _603906)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_607698, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _612268)
   Call: (242) [system] peek_char((0x56051b6b4f40), _613202)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_616994, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _621564)
   Call: (243) [system] peek_char((0x56051b6b4f40), _622498)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_626290, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _630860)
   Call: (244) [system] peek_char((0x56051b6b4f40), _631794)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _630860=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (243) [system] _621564=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (242) [system] _612268=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (241) [system] _602972=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (240) [system] _593676=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (239) [system] _584380=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (238) [system] _575084=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (237) [system] _565788=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (236) [system] _556492=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _547196=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _537900=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _528604=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _519308=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _510012=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _500716=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _491420=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _482124=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _472828=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _463532=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _454236=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _444940=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _435644=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _426348=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _405804)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_702572, _702574), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _405804), _702548, fail)), '$restore_trace'(_702572, _702574))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_702572, _702574))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _405804), _702548, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_405804)
   Call: (222) [system] atom_chars(_405804, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _711024)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _712882)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _719692)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _722396)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _731788)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
   Call: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _735502)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _737360)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _745828)
   Exit: (221) [system] get_char((0x56051b6b4f40), a)
   Call: (221) [system] a='('
   Call: (221) [system] a='['
   Call: (221) [system] a='{'
   Call: (221) [system] a='"'
   Call: (221) [system] a=!
   Call: (221) [system] a='\''
   Call: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), a, _735502)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _756046)
   Call: (223) [system] peek_char((0x56051b6b4f40), _756980)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _756046=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq(a, [], _735502)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_766290, _766292), once(user:catch(read_from_chars([a], _735502), _766266, fail)), '$restore_trace'(_766290, _766292))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_766290, _766292))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _766266, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(a)
   Exit: (223) [system] atomic(a)
^  Exit: (222) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _773790)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _775648)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _782458)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _785162)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=(;)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _794554)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=')'
   Call: (221) [system] a=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _798268)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _800126)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=(;)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _808594)
   Exit: (222) [system] get_char((0x56051b6b4f40), a)
   Call: (222) [system] a='('
   Call: (222) [system] a='['
   Call: (222) [system] a='{'
   Call: (222) [system] a='"'
   Call: (222) [system] a=!
   Call: (222) [system] a='\''
   Call: (222) [system] a='`'
   Call: (222) [system] a=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), a, _798268)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _818812)
   Call: (224) [system] peek_char((0x56051b6b4f40), _819746)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_823538, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _818812=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq(a, [], _798268)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_830000, _830002), once(user:catch(read_from_chars([a], _798268), _829976, fail)), '$restore_trace'(_830000, _830002))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_830000, _830002))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _829976, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(a)
   Exit: (224) [system] atomic(a)
^  Exit: (223) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _837500)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _839358)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _847826)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _851616)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _837500=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _773790=[a]
   Exit: (221) [system] [a]=[a]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (220) [system] _711024=[a, a]
   Exit: (220) [system] [a, a]=[a, a]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (219) [system] _377726=['DisjunctionIntroduction', a, a]
   Exit: (219) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _865498)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _867356)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _875824)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _879614)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _865498=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _353248=[['DisjunctionIntroduction', a, a]]
   Exit: (217) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a]])
   Call: (216) [system] _266302=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (216) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (215) [system] _6356=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (215) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _893496)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _895354)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _902164)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _904868)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _914260)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _917974)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _919832)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _928300)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _917974)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _933870)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=(;)
^  Call: (217) [user] is_like_space('O')
   Call: (218) [system] char_type('O', 'white')
   Call: (218) [system] char_type('O', end_of_line)
   Call: (218) [system] char_type('O', space)
   Call: (218) [system] char_type('O', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _942338)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (216) [system] 'O'=')'
   Call: (216) [system] 'O'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _946052)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _947910)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _956378)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'='('
   Call: (217) [system] 'O'='['
   Call: (217) [system] 'O'='{'
   Call: (217) [system] 'O'='"'
   Call: (217) [system] 'O'=!
   Call: (217) [system] 'O'='\''
   Call: (217) [system] 'O'='`'
   Call: (217) [system] 'O'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _946052)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _966596)
   Call: (219) [system] peek_char((0x56051b6b4f40), _967530)
   Exit: (219) [system] peek_char((0x56051b6b4f40), r)
^  Call: (219) [user] is_delimiter(r)
   Call: (220) [system] char_type(r, space)
   Call: (220) [system] arg(_971322, v('(', ')', end_of_file), r)
   Call: (219) [system] ')'==r
   Call: (219) [system] get_char((0x56051b6b4f40), r)
   Exit: (219) [system] get_char((0x56051b6b4f40), r)
   Call: (219) [system] r=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _975892)
   Call: (220) [system] peek_char((0x56051b6b4f40), _976826)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (220) [user] is_delimiter('L')
   Call: (221) [system] char_type('L', space)
   Call: (221) [system] arg(_980618, v('(', ')', end_of_file), 'L')
   Call: (220) [system] ')'=='L'
   Call: (220) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (220) [system] get_char((0x56051b6b4f40), 'L')
   Call: (220) [system] 'L'=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _985188)
   Call: (221) [system] peek_char((0x56051b6b4f40), _986122)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_989914, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _994484)
   Call: (222) [system] peek_char((0x56051b6b4f40), _995418)
   Exit: (222) [system] peek_char((0x56051b6b4f40), n)
^  Call: (222) [user] is_delimiter(n)
   Call: (223) [system] char_type(n, space)
   Call: (223) [system] arg(_999210, v('(', ')', end_of_file), n)
   Call: (222) [system] ')'==n
   Call: (222) [system] get_char((0x56051b6b4f40), n)
   Exit: (222) [system] get_char((0x56051b6b4f40), n)
   Call: (222) [system] n=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1003780)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1004714)
   Exit: (223) [system] peek_char((0x56051b6b4f40), k)
^  Call: (223) [user] is_delimiter(k)
   Call: (224) [system] char_type(k, space)
   Call: (224) [system] arg(_1008506, v('(', ')', end_of_file), k)
   Call: (223) [system] ')'==k
   Call: (223) [system] get_char((0x56051b6b4f40), k)
   Exit: (223) [system] get_char((0x56051b6b4f40), k)
   Call: (223) [system] k=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1013076)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1014010)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1013076=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1003780=[k]
   Exit: (223) [system] [k]=[k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (222) [system] _994484=[n, k]
   Exit: (222) [system] [n, k]=[n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (221) [system] _985188=[i, n, k]
   Exit: (221) [system] [i, n, k]=[i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (220) [system] _975892=['L', i, n, k]
   Exit: (220) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (219) [system] _966596=[r, 'L', i, n, k]
   Exit: (219) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _946052)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_1037290, _1037292), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _946052), _1037266, fail)), '$restore_trace'(_1037290, _1037292))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_1037290, _1037292))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _946052), _1037266, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_946052)
   Call: (219) [system] atom_chars(_946052, ['O', r, 'L', i, n, k])
   Exit: (219) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (218) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1045742)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1047600)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1054410)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1057114)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1066506)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1070220)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1072078)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1080546)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1070220)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1086116)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=(;)
^  Call: (220) [user] is_like_space('I')
   Call: (221) [system] char_type('I', 'white')
   Call: (221) [system] char_type('I', end_of_line)
   Call: (221) [system] char_type('I', space)
   Call: (221) [system] char_type('I', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1094584)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (219) [system] 'I'=')'
   Call: (219) [system] 'I'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1098298)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1100156)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1108624)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'='('
   Call: (220) [system] 'I'='['
   Call: (220) [system] 'I'='{'
   Call: (220) [system] 'I'='"'
   Call: (220) [system] 'I'=!
   Call: (220) [system] 'I'='\''
   Call: (220) [system] 'I'='`'
   Call: (220) [system] 'I'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1098298)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1118842)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1119776)
   Exit: (222) [system] peek_char((0x56051b6b4f40), m)
^  Call: (222) [user] is_delimiter(m)
   Call: (223) [system] char_type(m, space)
   Call: (223) [system] arg(_1123568, v('(', ')', end_of_file), m)
   Call: (222) [system] ')'==m
   Call: (222) [system] get_char((0x56051b6b4f40), m)
   Exit: (222) [system] get_char((0x56051b6b4f40), m)
   Call: (222) [system] m=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1128138)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1129072)
   Exit: (223) [system] peek_char((0x56051b6b4f40), p)
^  Call: (223) [user] is_delimiter(p)
   Call: (224) [system] char_type(p, space)
   Call: (224) [system] arg(_1132864, v('(', ')', end_of_file), p)
   Call: (223) [system] ')'==p
   Call: (223) [system] get_char((0x56051b6b4f40), p)
   Exit: (223) [system] get_char((0x56051b6b4f40), p)
   Call: (223) [system] p=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1137434)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1138368)
   Exit: (224) [system] peek_char((0x56051b6b4f40), l)
^  Call: (224) [user] is_delimiter(l)
   Call: (225) [system] char_type(l, space)
   Call: (225) [system] arg(_1142160, v('(', ')', end_of_file), l)
   Call: (224) [system] ')'==l
   Call: (224) [system] get_char((0x56051b6b4f40), l)
   Exit: (224) [system] get_char((0x56051b6b4f40), l)
   Call: (224) [system] l=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1146730)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1147664)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1151456, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1156026)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1156960)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1160752, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1165322)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1166256)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
^  Call: (227) [user] is_delimiter(a)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] arg(_1170048, v('(', ')', end_of_file), a)
   Call: (227) [system] ')'==a
   Call: (227) [system] get_char((0x56051b6b4f40), a)
   Exit: (227) [system] get_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1174618)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1175552)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_1179344, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1183914)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1184848)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1188640, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1193210)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1194144)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_1197936, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1202506)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1203440)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1207232, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1211802)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1212736)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1211802=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _1202506=[n]
   Exit: (231) [system] [n]=[n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (230) [system] _1193210=[o, n]
   Exit: (230) [system] [o, n]=[o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (229) [system] _1183914=[i, o, n]
   Exit: (229) [system] [i, o, n]=[i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (228) [system] _1174618=[t, i, o, n]
   Exit: (228) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (227) [system] _1165322=[a, t, i, o, n]
   Exit: (227) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (226) [system] _1156026=[c, a, t, i, o, n]
   Exit: (226) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (225) [system] _1146730=[i, c, a, t, i, o, n]
   Exit: (225) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (224) [system] _1137434=[l, i, c, a, t, i, o, n]
   Exit: (224) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (223) [system] _1128138=[p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (222) [system] _1118842=[m, p, l, i, c, a, t, i, o, n]
   Exit: (222) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1098298)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1249986, _1249988), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1098298), _1249962, fail)), '$restore_trace'(_1249986, _1249988))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1249986, _1249988))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1098298), _1249962, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1098298)
   Call: (222) [system] atom_chars(_1098298, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (222) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1258438)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1260296)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1267106)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1269810)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1279202)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1282916)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1284774)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1293242)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1282916)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1298812)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1307280)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1310994)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1312852)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1321320)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1310994)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1331538)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1332472)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1336264, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1340834)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1341768)
   Exit: (226) [system] peek_char((0x56051b6b4f40), d)
^  Call: (226) [user] is_delimiter(d)
   Call: (227) [system] char_type(d, space)
   Call: (227) [system] arg(_1345560, v('(', ')', end_of_file), d)
   Call: (226) [system] ')'==d
   Call: (226) [system] get_char((0x56051b6b4f40), d)
   Exit: (226) [system] get_char((0x56051b6b4f40), d)
   Call: (226) [system] d=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1350130)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1351064)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1354856, v('(', ')', end_of_file), 'L')
   Call: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'L')
   Call: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1359426)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1360360)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1364152, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1368722)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1369656)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1373448, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1378018)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1378952)
   Exit: (230) [system] peek_char((0x56051b6b4f40), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1382744, v('(', ')', end_of_file), k)
   Call: (230) [system] ')'==k
   Call: (230) [system] get_char((0x56051b6b4f40), k)
   Exit: (230) [system] get_char((0x56051b6b4f40), k)
   Call: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1387314)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1388248)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1387314=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1378018=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (229) [system] _1368722=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (228) [system] _1359426=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (227) [system] _1350130=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (226) [system] _1340834=[d, 'L', i, n, k]
   Exit: (226) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (225) [system] _1331538=[n, d, 'L', i, n, k]
   Exit: (225) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1310994)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1414322, _1414324), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1310994), _1414298, fail)), '$restore_trace'(_1414322, _1414324))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1414322, _1414324))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1310994), _1414298, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1310994)
   Call: (225) [system] atom_chars(_1310994, ['A', n, d, 'L', i, n, k])
   Exit: (225) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1422774)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1424632)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1431442)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1434146)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1443538)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1447252)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1449110)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1457578)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1447252)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1467796)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1468730)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1467796=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _1447252)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1478040, _1478042), once(user:catch(read_from_chars(['A'], _1447252), _1478016, fail)), '$restore_trace'(_1478040, _1478042))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1478040, _1478042))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1447252), _1478016, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1447252)
   Call: (226) [system] atom_chars(_1447252, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1486492)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1488350)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1495160)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1497864)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1507256)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'=')'
   Call: (224) [system] 'B'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1510970)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1512828)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=(;)
^  Call: (226) [user] is_like_space('B')
   Call: (227) [system] char_type('B', 'white')
   Call: (227) [system] char_type('B', end_of_line)
   Call: (227) [system] char_type('B', space)
   Call: (227) [system] char_type('B', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1521296)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'='('
   Call: (225) [system] 'B'='['
   Call: (225) [system] 'B'='{'
   Call: (225) [system] 'B'='"'
   Call: (225) [system] 'B'=!
   Call: (225) [system] 'B'='\''
   Call: (225) [system] 'B'='`'
   Call: (225) [system] 'B'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1510970)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1531514)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1532448)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_1536240, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _1531514=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('B', [], _1510970)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1542702, _1542704), once(user:catch(read_from_chars(['B'], _1510970), _1542678, fail)), '$restore_trace'(_1542702, _1542704))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1542702, _1542704))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1510970), _1542678, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1510970)
   Call: (227) [system] atom_chars(_1510970, ['B'])
   Exit: (227) [system] atom_chars('B', ['B'])
^  Exit: (226) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1551154)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1553012)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1561480)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _1565270)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _1551154=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1486492=['B']
   Exit: (224) [system] ['B']=['B']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (223) [system] _1422774=['A', 'B']
   Exit: (223) [system] ['A', 'B']=['A', 'B']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (222) [system] _1282916=['AndLink', 'A', 'B']
   Exit: (222) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1579152)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1581010)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1587820)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1590524)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1599916)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (221) [system] 'C'=')'
   Call: (221) [system] 'C'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1603630)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1605488)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1613956)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'='('
   Call: (222) [system] 'C'='['
   Call: (222) [system] 'C'='{'
   Call: (222) [system] 'C'='"'
   Call: (222) [system] 'C'=!
   Call: (222) [system] 'C'='\''
   Call: (222) [system] 'C'='`'
   Call: (222) [system] 'C'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1603630)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1624174)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1625108)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (224) [user] is_delimiter(')')
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] arg(_1628900, v('(', ')', end_of_file), ')')
   Exit: (225) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (224) [user] is_delimiter(')')
   Call: (224) [system] _1624174=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq('C', [], _1603630)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1635362, _1635364), once(user:catch(read_from_chars(['C'], _1603630), _1635338, fail)), '$restore_trace'(_1635362, _1635364))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1635362, _1635364))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1603630), _1635338, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1603630)
   Call: (224) [system] atom_chars(_1603630, ['C'])
   Exit: (224) [system] atom_chars('C', ['C'])
^  Exit: (223) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1643814)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1645672)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1654140)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _1657930)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _1643814=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _1579152=['C']
   Exit: (221) [system] ['C']=['C']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (220) [system] _1258438=[['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (219) [system] _1070220=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (219) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1671812)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1673670)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1680480)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1683184)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1692576)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1696290)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1698148)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1706616)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1696290)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1712186)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1720654)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1724368)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1726226)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1734694)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1724368)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1744912)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1745846)
   Exit: (223) [system] peek_char((0x56051b6b4f40), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1749638, v('(', ')', end_of_file), r)
   Call: (223) [system] ')'==r
   Call: (223) [system] get_char((0x56051b6b4f40), r)
   Exit: (223) [system] get_char((0x56051b6b4f40), r)
   Call: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1754208)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1755142)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1758934, v('(', ')', end_of_file), 'L')
   Call: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (224) [system] get_char((0x56051b6b4f40), 'L')
   Call: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1763504)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1764438)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1768230, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1772800)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1773734)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1777526, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1782096)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1783030)
   Exit: (227) [system] peek_char((0x56051b6b4f40), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1786822, v('(', ')', end_of_file), k)
   Call: (227) [system] ')'==k
   Call: (227) [system] get_char((0x56051b6b4f40), k)
   Exit: (227) [system] get_char((0x56051b6b4f40), k)
   Call: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1791392)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1792326)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1791392=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1782096=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (226) [system] _1772800=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (225) [system] _1763504=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (224) [system] _1754208=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (223) [system] _1744912=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1724368)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1815606, _1815608), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1724368), _1815582, fail)), '$restore_trace'(_1815606, _1815608))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1815606, _1815608))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1724368), _1815582, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1724368)
   Call: (223) [system] atom_chars(_1724368, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1824058)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1825916)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1832726)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1835430)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1844822)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (221) [system] 'A'=')'
   Call: (221) [system] 'A'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1848536)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1850394)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=(;)
^  Call: (223) [user] is_like_space('A')
   Call: (224) [system] char_type('A', 'white')
   Call: (224) [system] char_type('A', end_of_line)
   Call: (224) [system] char_type('A', space)
   Call: (224) [system] char_type('A', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1858862)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'='('
   Call: (222) [system] 'A'='['
   Call: (222) [system] 'A'='{'
   Call: (222) [system] 'A'='"'
   Call: (222) [system] 'A'=!
   Call: (222) [system] 'A'='\''
   Call: (222) [system] 'A'='`'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1848536)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1869080)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1870014)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1869080=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq('A', [], _1848536)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1879324, _1879326), once(user:catch(read_from_chars(['A'], _1848536), _1879300, fail)), '$restore_trace'(_1879324, _1879326))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1879324, _1879326))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1848536), _1879300, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1848536)
   Call: (224) [system] atom_chars(_1848536, ['A'])
   Exit: (224) [system] atom_chars('A', ['A'])
^  Exit: (223) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1887776)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1889634)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1896444)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1899148)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'=(;)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1908540)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (222) [system] 'B'=')'
   Call: (222) [system] 'B'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1912254)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1914112)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (224) [system] 'B'=(;)
^  Call: (224) [user] is_like_space('B')
   Call: (225) [system] char_type('B', 'white')
   Call: (225) [system] char_type('B', end_of_line)
   Call: (225) [system] char_type('B', space)
   Call: (225) [system] char_type('B', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1922580)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'B')
   Call: (223) [system] 'B'='('
   Call: (223) [system] 'B'='['
   Call: (223) [system] 'B'='{'
   Call: (223) [system] 'B'='"'
   Call: (223) [system] 'B'=!
   Call: (223) [system] 'B'='\''
   Call: (223) [system] 'B'='`'
   Call: (223) [system] 'B'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1912254)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1932798)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1933732)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1937524, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1932798=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('B', [], _1912254)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1943986, _1943988), once(user:catch(read_from_chars(['B'], _1912254), _1943962, fail)), '$restore_trace'(_1943986, _1943988))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1943986, _1943988))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1912254), _1943962, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1912254)
   Call: (225) [system] atom_chars(_1912254, ['B'])
   Exit: (225) [system] atom_chars('B', ['B'])
^  Exit: (224) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1952438)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1954296)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1962764)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _1966554)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _1952438=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1887776=['B']
   Exit: (222) [system] ['B']=['B']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (221) [system] _1824058=['A', 'B']
   Exit: (221) [system] ['A', 'B']=['A', 'B']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (220) [system] _1696290=['OrLink', 'A', 'B']
   Exit: (220) [system] ['OrLink', 'A', 'B']=['OrLink', 'A', 'B']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'A', 'B'])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'A', 'B'])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1980436)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1982294)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1990762)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _1994552)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _1980436=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _1671812=[['OrLink', 'A', 'B']]
   Exit: (218) [system] [['OrLink', 'A', 'B']]=[['OrLink', 'A', 'B']]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'A', 'B']])
   Call: (217) [system] _1045742=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
   Exit: (217) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']])
   Call: (216) [system] _917974=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
   Exit: (216) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _2008434)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _2010292)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=(;)
^  Call: (216) [user] is_like_space(')')
   Call: (217) [system] char_type(')', 'white')
   Call: (217) [system] char_type(')', end_of_line)
   Call: (217) [system] char_type(')', space)
   Call: (217) [system] char_type(')', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _2018760)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ')')
   Call: (215) [system] ')'=')'
   Exit: (215) [system] ')'=')'
   Call: (215) [system] get_char((0x56051b6b4f40), _2022550)
   Exit: (215) [system] get_char((0x56051b6b4f40), ')')
   Call: (215) [system] _2008434=[]
   Exit: (215) [system] []=[]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (214) [system] _893496=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
   Exit: (214) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
   Call: (213) [system] _6352=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
   Exit: (213) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
   Call: (212) [system] _6344=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
   Exit: (212) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]]
^  Exit: (211) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
^  Exit: (210) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'B']]])
^  Call: (210) [user] read_list(')', (0x56051b6b4f40), _2036432)
^  Call: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _2038290)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (212) [system] '\n'=(;)
^  Call: (212) [user] is_like_space('\n')
   Call: (213) [system] char_type('\n', 'white')
   Call: (213) [system] char_type('\n', end_of_line)
   Exit: (213) [system] char_type('\n', end_of_line)
^  Exit: (212) [user] is_like_space('\n')
   Call: (212) [system] get_char((0x56051b6b4f40), _2045906)
   Exit: (212) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _2048610)
   Exit: (213) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (213) [system] ' '=(;)
^  Call: (213) [user] is_like_space(' ')
   Call: (214) [system] char_type(' ', 'white')
   Exit: (214) [system] char_type(' ', 'white')
^  Exit: (213) [user] is_like_space(' ')
   Call: (213) [system] get_char((0x56051b6b4f40), _2055420)
   Exit: (213) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _2058124)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (211) [user] skip_spaces((0x56051b6b4f40))
   Call: (211) [system] peek_char((0x56051b6b4f40), _2068440)
   Exit: (211) [system] peek_char((0x56051b6b4f40), '(')
   Call: (211) [system] '('=')'
   Call: (211) [system] '('=end_of_file
^  Call: (211) [user] cont_sexpr(')', (0x56051b6b4f40), _2072154)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _2074012)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=(;)
^  Call: (213) [user] is_like_space('(')
   Call: (214) [system] char_type('(', 'white')
   Call: (214) [system] char_type('(', end_of_line)
   Call: (214) [system] char_type('(', space)
   Call: (214) [system] char_type('(', cntrl)
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] get_char((0x56051b6b4f40), _2082480)
   Exit: (212) [system] get_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('='('
   Exit: (212) [system] '('='('
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _2072154)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _2088050)
   Exit: (214) [system] peek_char((0x56051b6b4f40), :)
   Call: (214) [system] (:)=(;)
^  Call: (214) [user] is_like_space(:)
   Call: (215) [system] char_type(:, 'white')
   Call: (215) [system] char_type(:, end_of_line)
   Call: (215) [system] char_type(:, space)
   Call: (215) [system] char_type(:, cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _6482)
   Exit: (213) [system] peek_char((0x56051b6b4f40), :)
   Call: (213) [system] (:)=')'
   Call: (213) [system] (:)=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _9912)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _11770)
   Exit: (215) [system] peek_char((0x56051b6b4f40), :)
   Call: (215) [system] (:)=(;)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _20238)
   Exit: (214) [system] get_char((0x56051b6b4f40), :)
   Call: (214) [system] (:)='('
   Call: (214) [system] (:)='['
   Call: (214) [system] (:)='{'
   Call: (214) [system] (:)='"'
   Call: (214) [system] (:)=!
   Call: (214) [system] (:)='\''
   Call: (214) [system] (:)='`'
   Call: (214) [system] (:)=end_of_file
^  Call: (214) [user] read_symbolic(')', (0x56051b6b4f40), :, _9912)
^  Call: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), _30456)
   Call: (216) [system] peek_char((0x56051b6b4f40), _31390)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] is_delimiter(' ')
   Call: (217) [system] char_type(' ', space)
   Exit: (217) [system] char_type(' ', space)
^  Exit: (216) [user] is_delimiter(' ')
   Call: (216) [system] _30456=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (215) [user] classify_and_convert_charseq(:, [], _9912)
^  Call: (217) [system] setup_call_cleanup('$notrace'(_40700, _40702), once(user:catch(read_from_chars([:], _9912), _40676, fail)), '$restore_trace'(_40700, _40702))
^  Call: (218) [system] sig_atomic(system:'$notrace'(_40700, _40702))
^  Exit: (217) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _40676, fail)), system:'$restore_trace'(3, -1))
   Call: (216) [system] atomic(:)
   Exit: (216) [system] atomic(:)
^  Exit: (215) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (214) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _48200)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _50058)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _56868)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _59572)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _68964)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _72678)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _74536)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _83004)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _72678)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _88574)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'=(;)
^  Call: (217) [user] is_like_space('D')
   Call: (218) [system] char_type('D', 'white')
   Call: (218) [system] char_type('D', end_of_line)
   Call: (218) [system] char_type('D', space)
   Call: (218) [system] char_type('D', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _97042)
   Exit: (216) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (216) [system] 'D'=')'
   Call: (216) [system] 'D'=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _100756)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _102614)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _111082)
   Exit: (217) [system] get_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'='('
   Call: (217) [system] 'D'='['
   Call: (217) [system] 'D'='{'
   Call: (217) [system] 'D'='"'
   Call: (217) [system] 'D'=!
   Call: (217) [system] 'D'='\''
   Call: (217) [system] 'D'='`'
   Call: (217) [system] 'D'=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _100756)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _121300)
   Call: (219) [system] peek_char((0x56051b6b4f40), _122234)
   Exit: (219) [system] peek_char((0x56051b6b4f40), i)
^  Call: (219) [user] is_delimiter(i)
   Call: (220) [system] char_type(i, space)
   Call: (220) [system] arg(_126026, v('(', ')', end_of_file), i)
   Call: (219) [system] ')'==i
   Call: (219) [system] get_char((0x56051b6b4f40), i)
   Exit: (219) [system] get_char((0x56051b6b4f40), i)
   Call: (219) [system] i=(\)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _130596)
   Call: (220) [system] peek_char((0x56051b6b4f40), _131530)
   Exit: (220) [system] peek_char((0x56051b6b4f40), s)
^  Call: (220) [user] is_delimiter(s)
   Call: (221) [system] char_type(s, space)
   Call: (221) [system] arg(_135322, v('(', ')', end_of_file), s)
   Call: (220) [system] ')'==s
   Call: (220) [system] get_char((0x56051b6b4f40), s)
   Exit: (220) [system] get_char((0x56051b6b4f40), s)
   Call: (220) [system] s=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _139892)
   Call: (221) [system] peek_char((0x56051b6b4f40), _140826)
   Exit: (221) [system] peek_char((0x56051b6b4f40), j)
^  Call: (221) [user] is_delimiter(j)
   Call: (222) [system] char_type(j, space)
   Call: (222) [system] arg(_144618, v('(', ')', end_of_file), j)
   Call: (221) [system] ')'==j
   Call: (221) [system] get_char((0x56051b6b4f40), j)
   Exit: (221) [system] get_char((0x56051b6b4f40), j)
   Call: (221) [system] j=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _149188)
   Call: (222) [system] peek_char((0x56051b6b4f40), _150122)
   Exit: (222) [system] peek_char((0x56051b6b4f40), u)
^  Call: (222) [user] is_delimiter(u)
   Call: (223) [system] char_type(u, space)
   Call: (223) [system] arg(_153914, v('(', ')', end_of_file), u)
   Call: (222) [system] ')'==u
   Call: (222) [system] get_char((0x56051b6b4f40), u)
   Exit: (222) [system] get_char((0x56051b6b4f40), u)
   Call: (222) [system] u=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _158484)
   Call: (223) [system] peek_char((0x56051b6b4f40), _159418)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_163210, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _167780)
   Call: (224) [system] peek_char((0x56051b6b4f40), _168714)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_172506, v('(', ')', end_of_file), c)
   Call: (224) [system] ')'==c
   Call: (224) [system] get_char((0x56051b6b4f40), c)
   Exit: (224) [system] get_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _177076)
   Call: (225) [system] peek_char((0x56051b6b4f40), _178010)
   Exit: (225) [system] peek_char((0x56051b6b4f40), t)
^  Call: (225) [user] is_delimiter(t)
   Call: (226) [system] char_type(t, space)
   Call: (226) [system] arg(_181802, v('(', ')', end_of_file), t)
   Call: (225) [system] ')'==t
   Call: (225) [system] get_char((0x56051b6b4f40), t)
   Exit: (225) [system] get_char((0x56051b6b4f40), t)
   Call: (225) [system] t=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _186372)
   Call: (226) [system] peek_char((0x56051b6b4f40), _187306)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_191098, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _195668)
   Call: (227) [system] peek_char((0x56051b6b4f40), _196602)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_200394, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _204964)
   Call: (228) [system] peek_char((0x56051b6b4f40), _205898)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_209690, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _214260)
   Call: (229) [system] peek_char((0x56051b6b4f40), _215194)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (229) [user] is_delimiter('I')
   Call: (230) [system] char_type('I', space)
   Call: (230) [system] arg(_218986, v('(', ')', end_of_file), 'I')
   Call: (229) [system] ')'=='I'
   Call: (229) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (229) [system] get_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _223556)
   Call: (230) [system] peek_char((0x56051b6b4f40), _224490)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_228282, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _232852)
   Call: (231) [system] peek_char((0x56051b6b4f40), _233786)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_237578, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _242148)
   Call: (232) [system] peek_char((0x56051b6b4f40), _243082)
   Exit: (232) [system] peek_char((0x56051b6b4f40), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_246874, v('(', ')', end_of_file), r)
   Call: (232) [system] ')'==r
   Call: (232) [system] get_char((0x56051b6b4f40), r)
   Exit: (232) [system] get_char((0x56051b6b4f40), r)
   Call: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _251444)
   Call: (233) [system] peek_char((0x56051b6b4f40), _252378)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_256170, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _260740)
   Call: (234) [system] peek_char((0x56051b6b4f40), _261674)
   Exit: (234) [system] peek_char((0x56051b6b4f40), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_265466, v('(', ')', end_of_file), d)
   Call: (234) [system] ')'==d
   Call: (234) [system] get_char((0x56051b6b4f40), d)
   Exit: (234) [system] get_char((0x56051b6b4f40), d)
   Call: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _270036)
   Call: (235) [system] peek_char((0x56051b6b4f40), _270970)
   Exit: (235) [system] peek_char((0x56051b6b4f40), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_274762, v('(', ')', end_of_file), u)
   Call: (235) [system] ')'==u
   Call: (235) [system] get_char((0x56051b6b4f40), u)
   Exit: (235) [system] get_char((0x56051b6b4f40), u)
   Call: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _279332)
   Call: (236) [system] peek_char((0x56051b6b4f40), _280266)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_284058, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _288628)
   Call: (237) [system] peek_char((0x56051b6b4f40), _289562)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_293354, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _297924)
   Call: (238) [system] peek_char((0x56051b6b4f40), _298858)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_302650, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _307220)
   Call: (239) [system] peek_char((0x56051b6b4f40), _308154)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_311946, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _316516)
   Call: (240) [system] peek_char((0x56051b6b4f40), _317450)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_321242, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _325812)
   Call: (241) [system] peek_char((0x56051b6b4f40), _326746)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _325812=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _316516=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (239) [system] _307220=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (238) [system] _297924=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (237) [system] _288628=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (236) [system] _279332=[c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (235) [system] _270036=[u, c, t, i, o, n]
   Exit: (235) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (234) [system] _260740=[d, u, c, t, i, o, n]
   Exit: (234) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (233) [system] _251444=[o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (232) [system] _242148=[r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _232852=[t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _223556=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _214260=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _204964=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _195668=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _186372=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _177076=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _167780=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _158484=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _149188=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _139892=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _130596=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (219) [system] _121300=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (219) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _100756)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_397524, _397526), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _100756), _397500, fail)), '$restore_trace'(_397524, _397526))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_397524, _397526))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _100756), _397500, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(_100756)
   Call: (219) [system] atom_chars(_100756, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (219) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (218) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _405976)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _407834)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _414644)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _417348)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
   Call: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _426740)
   Exit: (217) [system] peek_char((0x56051b6b4f40), a)
   Call: (217) [system] a=')'
   Call: (217) [system] a=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _430454)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _432312)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
   Call: (219) [system] a=(;)
^  Call: (219) [user] is_like_space(a)
   Call: (220) [system] char_type(a, 'white')
   Call: (220) [system] char_type(a, end_of_line)
   Call: (220) [system] char_type(a, space)
   Call: (220) [system] char_type(a, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _440780)
   Exit: (218) [system] get_char((0x56051b6b4f40), a)
   Call: (218) [system] a='('
   Call: (218) [system] a='['
   Call: (218) [system] a='{'
   Call: (218) [system] a='"'
   Call: (218) [system] a=!
   Call: (218) [system] a='\''
   Call: (218) [system] a='`'
   Call: (218) [system] a=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), a, _430454)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _450998)
   Call: (220) [system] peek_char((0x56051b6b4f40), _451932)
   Exit: (220) [system] peek_char((0x56051b6b4f40), b)
^  Call: (220) [user] is_delimiter(b)
   Call: (221) [system] char_type(b, space)
   Call: (221) [system] arg(_455724, v('(', ')', end_of_file), b)
   Call: (220) [system] ')'==b
   Call: (220) [system] get_char((0x56051b6b4f40), b)
   Exit: (220) [system] get_char((0x56051b6b4f40), b)
   Call: (220) [system] b=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _460294)
   Call: (221) [system] peek_char((0x56051b6b4f40), _461228)
   Exit: (221) [system] peek_char((0x56051b6b4f40), c)
^  Call: (221) [user] is_delimiter(c)
   Call: (222) [system] char_type(c, space)
   Call: (222) [system] arg(_465020, v('(', ')', end_of_file), c)
   Call: (221) [system] ')'==c
   Call: (221) [system] get_char((0x56051b6b4f40), c)
   Exit: (221) [system] get_char((0x56051b6b4f40), c)
   Call: (221) [system] c=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _469590)
   Call: (222) [system] peek_char((0x56051b6b4f40), _470524)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _469590=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (221) [system] _460294=[c]
   Exit: (221) [system] [c]=[c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (220) [system] _450998=[b, c]
   Exit: (220) [system] [b, c]=[b, c]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (219) [user] classify_and_convert_charseq(a, [b, c], _430454)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_485422, _485424), once(user:catch(read_from_chars([a, b, c], _430454), _485398, fail)), '$restore_trace'(_485422, _485424))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_485422, _485424))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _485398, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(abc)
   Exit: (220) [system] atomic(abc)
^  Exit: (219) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _492922)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _494780)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _501590)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _504294)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _513686)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _517400)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _519258)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _527726)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _517400)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _533296)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'=(;)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _541764)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _545478)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _547336)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'=(;)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _555804)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _545478)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _566022)
   Call: (223) [system] peek_char((0x56051b6b4f40), _566956)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_570748, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _575318)
   Call: (224) [system] peek_char((0x56051b6b4f40), _576252)
   Exit: (224) [system] peek_char((0x56051b6b4f40), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_580044, v('(', ')', end_of_file), s)
   Call: (224) [system] ')'==s
   Call: (224) [system] get_char((0x56051b6b4f40), s)
   Exit: (224) [system] get_char((0x56051b6b4f40), s)
   Call: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _584614)
   Call: (225) [system] peek_char((0x56051b6b4f40), _585548)
   Exit: (225) [system] peek_char((0x56051b6b4f40), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_589340, v('(', ')', end_of_file), j)
   Call: (225) [system] ')'==j
   Call: (225) [system] get_char((0x56051b6b4f40), j)
   Exit: (225) [system] get_char((0x56051b6b4f40), j)
   Call: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _593910)
   Call: (226) [system] peek_char((0x56051b6b4f40), _594844)
   Exit: (226) [system] peek_char((0x56051b6b4f40), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_598636, v('(', ')', end_of_file), u)
   Call: (226) [system] ')'==u
   Call: (226) [system] get_char((0x56051b6b4f40), u)
   Exit: (226) [system] get_char((0x56051b6b4f40), u)
   Call: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _603206)
   Call: (227) [system] peek_char((0x56051b6b4f40), _604140)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_607932, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _612502)
   Call: (228) [system] peek_char((0x56051b6b4f40), _613436)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_617228, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _621798)
   Call: (229) [system] peek_char((0x56051b6b4f40), _622732)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_626524, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _631094)
   Call: (230) [system] peek_char((0x56051b6b4f40), _632028)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_635820, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _640390)
   Call: (231) [system] peek_char((0x56051b6b4f40), _641324)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_645116, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _649686)
   Call: (232) [system] peek_char((0x56051b6b4f40), _650620)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_654412, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _658982)
   Call: (233) [system] peek_char((0x56051b6b4f40), _659916)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_663708, v('(', ')', end_of_file), 'I')
   Call: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (233) [system] get_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _668278)
   Call: (234) [system] peek_char((0x56051b6b4f40), _669212)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_673004, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _677574)
   Call: (235) [system] peek_char((0x56051b6b4f40), _678508)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_682300, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _686870)
   Call: (236) [system] peek_char((0x56051b6b4f40), _687804)
   Exit: (236) [system] peek_char((0x56051b6b4f40), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_691596, v('(', ')', end_of_file), r)
   Call: (236) [system] ')'==r
   Call: (236) [system] get_char((0x56051b6b4f40), r)
   Exit: (236) [system] get_char((0x56051b6b4f40), r)
   Call: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _696166)
   Call: (237) [system] peek_char((0x56051b6b4f40), _697100)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_700892, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _705462)
   Call: (238) [system] peek_char((0x56051b6b4f40), _706396)
   Exit: (238) [system] peek_char((0x56051b6b4f40), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_710188, v('(', ')', end_of_file), d)
   Call: (238) [system] ')'==d
   Call: (238) [system] get_char((0x56051b6b4f40), d)
   Exit: (238) [system] get_char((0x56051b6b4f40), d)
   Call: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _714758)
   Call: (239) [system] peek_char((0x56051b6b4f40), _715692)
   Exit: (239) [system] peek_char((0x56051b6b4f40), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_719484, v('(', ')', end_of_file), u)
   Call: (239) [system] ')'==u
   Call: (239) [system] get_char((0x56051b6b4f40), u)
   Exit: (239) [system] get_char((0x56051b6b4f40), u)
   Call: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _724054)
   Call: (240) [system] peek_char((0x56051b6b4f40), _724988)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_728780, v('(', ')', end_of_file), c)
   Call: (240) [system] ')'==c
   Call: (240) [system] get_char((0x56051b6b4f40), c)
   Exit: (240) [system] get_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _733350)
   Call: (241) [system] peek_char((0x56051b6b4f40), _734284)
   Exit: (241) [system] peek_char((0x56051b6b4f40), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_738076, v('(', ')', end_of_file), t)
   Call: (241) [system] ')'==t
   Call: (241) [system] get_char((0x56051b6b4f40), t)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _742646)
   Call: (242) [system] peek_char((0x56051b6b4f40), _743580)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_747372, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _751942)
   Call: (243) [system] peek_char((0x56051b6b4f40), _752876)
   Exit: (243) [system] peek_char((0x56051b6b4f40), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_756668, v('(', ')', end_of_file), o)
   Call: (243) [system] ')'==o
   Call: (243) [system] get_char((0x56051b6b4f40), o)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _761238)
   Call: (244) [system] peek_char((0x56051b6b4f40), _762172)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_765964, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _770534)
   Call: (245) [system] peek_char((0x56051b6b4f40), _771468)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _770534=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (244) [system] _761238=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (243) [system] _751942=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (242) [system] _742646=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (241) [system] _733350=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (240) [system] _724054=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (239) [system] _714758=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (238) [system] _705462=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (237) [system] _696166=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _686870=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _677574=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _668278=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _658982=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _649686=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _640390=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _631094=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _621798=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _612502=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _603206=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _593910=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _584614=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _575318=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _566022=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _545478)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_842246, _842248), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _545478), _842222, fail)), '$restore_trace'(_842246, _842248))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_842246, _842248))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _545478), _842222, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_545478)
   Call: (223) [system] atom_chars(_545478, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _850698)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _852556)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _859366)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _862070)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=(;)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _871462)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=')'
   Call: (221) [system] a=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _875176)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _877034)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=(;)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _885502)
   Exit: (222) [system] get_char((0x56051b6b4f40), a)
   Call: (222) [system] a='('
   Call: (222) [system] a='['
   Call: (222) [system] a='{'
   Call: (222) [system] a='"'
   Call: (222) [system] a=!
   Call: (222) [system] a='\''
   Call: (222) [system] a='`'
   Call: (222) [system] a=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), a, _875176)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _895720)
   Call: (224) [system] peek_char((0x56051b6b4f40), _896654)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _895720=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq(a, [], _875176)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_905964, _905966), once(user:catch(read_from_chars([a], _875176), _905940, fail)), '$restore_trace'(_905964, _905966))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_905964, _905966))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _905940, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(a)
   Exit: (224) [system] atomic(a)
^  Exit: (223) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _913464)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _915322)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _922132)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _924836)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(;)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _934228)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
   Call: (222) [system] c=')'
   Call: (222) [system] c=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _937942)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _939800)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(;)
^  Call: (224) [user] is_like_space(c)
   Call: (225) [system] char_type(c, 'white')
   Call: (225) [system] char_type(c, end_of_line)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] char_type(c, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _948268)
   Exit: (223) [system] get_char((0x56051b6b4f40), c)
   Call: (223) [system] c='('
   Call: (223) [system] c='['
   Call: (223) [system] c='{'
   Call: (223) [system] c='"'
   Call: (223) [system] c=!
   Call: (223) [system] c='\''
   Call: (223) [system] c='`'
   Call: (223) [system] c=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), c, _937942)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _958486)
   Call: (225) [system] peek_char((0x56051b6b4f40), _959420)
   Exit: (225) [system] peek_char((0x56051b6b4f40), d)
^  Call: (225) [user] is_delimiter(d)
   Call: (226) [system] char_type(d, space)
   Call: (226) [system] arg(_963212, v('(', ')', end_of_file), d)
   Call: (225) [system] ')'==d
   Call: (225) [system] get_char((0x56051b6b4f40), d)
   Exit: (225) [system] get_char((0x56051b6b4f40), d)
   Call: (225) [system] d=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _967782)
   Call: (226) [system] peek_char((0x56051b6b4f40), _968716)
   Exit: (226) [system] peek_char((0x56051b6b4f40), e)
^  Call: (226) [user] is_delimiter(e)
   Call: (227) [system] char_type(e, space)
   Call: (227) [system] arg(_972508, v('(', ')', end_of_file), e)
   Call: (226) [system] ')'==e
   Call: (226) [system] get_char((0x56051b6b4f40), e)
   Exit: (226) [system] get_char((0x56051b6b4f40), e)
   Call: (226) [system] e=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _977078)
   Call: (227) [system] peek_char((0x56051b6b4f40), _978012)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_981804, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _977078=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _967782=[e]
   Exit: (226) [system] [e]=[e]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (225) [system] _958486=[d, e]
   Exit: (225) [system] [d, e]=[d, e]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (224) [user] classify_and_convert_charseq(c, [d, e], _937942)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_993854, _993856), once(user:catch(read_from_chars([c, d, e], _937942), _993830, fail)), '$restore_trace'(_993854, _993856))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_993854, _993856))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _993830, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(cde)
   Exit: (225) [system] atomic(cde)
^  Exit: (224) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1001354)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1003212)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1011680)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _1015470)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _1001354=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _913464=[cde]
   Exit: (222) [system] [cde]=[cde]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (221) [system] _850698=[a, cde]
   Exit: (221) [system] [a, cde]=[a, cde]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [a, cde])
   Call: (220) [system] _517400=['DisjunctionIntroduction', a, cde]
   Exit: (220) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1029352)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1031210)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1039678)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _1043468)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _1029352=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _492922=[['DisjunctionIntroduction', a, cde]]
   Exit: (218) [system] [['DisjunctionIntroduction', a, cde]]=[['DisjunctionIntroduction', a, cde]]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, cde]])
   Call: (217) [system] _405976=[abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (217) [system] [abc, ['DisjunctionIntroduction', a, cde]]=[abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', a, cde]])
   Call: (216) [system] _72678=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
   Exit: (216) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _1057350)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1059208)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _1066018)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1068722)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _1078114)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _1081828)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1083686)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _1092154)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1081828)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1097724)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'=(;)
^  Call: (218) [user] is_like_space('O')
   Call: (219) [system] char_type('O', 'white')
   Call: (219) [system] char_type('O', end_of_line)
   Call: (219) [system] char_type('O', space)
   Call: (219) [system] char_type('O', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1106192)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (217) [system] 'O'=')'
   Call: (217) [system] 'O'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1109906)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1111764)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1120232)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'='('
   Call: (218) [system] 'O'='['
   Call: (218) [system] 'O'='{'
   Call: (218) [system] 'O'='"'
   Call: (218) [system] 'O'=!
   Call: (218) [system] 'O'='\''
   Call: (218) [system] 'O'='`'
   Call: (218) [system] 'O'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1109906)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1130450)
   Call: (220) [system] peek_char((0x56051b6b4f40), _1131384)
   Exit: (220) [system] peek_char((0x56051b6b4f40), r)
^  Call: (220) [user] is_delimiter(r)
   Call: (221) [system] char_type(r, space)
   Call: (221) [system] arg(_1135176, v('(', ')', end_of_file), r)
   Call: (220) [system] ')'==r
   Call: (220) [system] get_char((0x56051b6b4f40), r)
   Exit: (220) [system] get_char((0x56051b6b4f40), r)
   Call: (220) [system] r=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1139746)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1140680)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (221) [user] is_delimiter('L')
   Call: (222) [system] char_type('L', space)
   Call: (222) [system] arg(_1144472, v('(', ')', end_of_file), 'L')
   Call: (221) [system] ')'=='L'
   Call: (221) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (221) [system] get_char((0x56051b6b4f40), 'L')
   Call: (221) [system] 'L'=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1149042)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1149976)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_1153768, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1158338)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1159272)
   Exit: (223) [system] peek_char((0x56051b6b4f40), n)
^  Call: (223) [user] is_delimiter(n)
   Call: (224) [system] char_type(n, space)
   Call: (224) [system] arg(_1163064, v('(', ')', end_of_file), n)
   Call: (223) [system] ')'==n
   Call: (223) [system] get_char((0x56051b6b4f40), n)
   Exit: (223) [system] get_char((0x56051b6b4f40), n)
   Call: (223) [system] n=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1167634)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1168568)
   Exit: (224) [system] peek_char((0x56051b6b4f40), k)
^  Call: (224) [user] is_delimiter(k)
   Call: (225) [system] char_type(k, space)
   Call: (225) [system] arg(_1172360, v('(', ')', end_of_file), k)
   Call: (224) [system] ')'==k
   Call: (224) [system] get_char((0x56051b6b4f40), k)
   Exit: (224) [system] get_char((0x56051b6b4f40), k)
   Call: (224) [system] k=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1176930)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1177864)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1176930=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1167634=[k]
   Exit: (224) [system] [k]=[k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (223) [system] _1158338=[n, k]
   Exit: (223) [system] [n, k]=[n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (222) [system] _1149042=[i, n, k]
   Exit: (222) [system] [i, n, k]=[i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (221) [system] _1139746=['L', i, n, k]
   Exit: (221) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (220) [system] _1130450=[r, 'L', i, n, k]
   Exit: (220) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1109906)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1201144, _1201146), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1109906), _1201120, fail)), '$restore_trace'(_1201144, _1201146))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1201144, _1201146))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1109906), _1201120, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_1109906)
   Call: (220) [system] atom_chars(_1109906, ['O', r, 'L', i, n, k])
   Exit: (220) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (219) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1209596)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1211454)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1218264)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1220968)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1230360)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1234074)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1235932)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1244400)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1234074)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1249970)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=(;)
^  Call: (221) [user] is_like_space('I')
   Call: (222) [system] char_type('I', 'white')
   Call: (222) [system] char_type('I', end_of_line)
   Call: (222) [system] char_type('I', space)
   Call: (222) [system] char_type('I', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1258438)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (220) [system] 'I'=')'
   Call: (220) [system] 'I'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1262152)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1264010)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1272478)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'='('
   Call: (221) [system] 'I'='['
   Call: (221) [system] 'I'='{'
   Call: (221) [system] 'I'='"'
   Call: (221) [system] 'I'=!
   Call: (221) [system] 'I'='\''
   Call: (221) [system] 'I'='`'
   Call: (221) [system] 'I'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1262152)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1282696)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1283630)
   Exit: (223) [system] peek_char((0x56051b6b4f40), m)
^  Call: (223) [user] is_delimiter(m)
   Call: (224) [system] char_type(m, space)
   Call: (224) [system] arg(_1287422, v('(', ')', end_of_file), m)
   Call: (223) [system] ')'==m
   Call: (223) [system] get_char((0x56051b6b4f40), m)
   Exit: (223) [system] get_char((0x56051b6b4f40), m)
   Call: (223) [system] m=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1291992)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1292926)
   Exit: (224) [system] peek_char((0x56051b6b4f40), p)
^  Call: (224) [user] is_delimiter(p)
   Call: (225) [system] char_type(p, space)
   Call: (225) [system] arg(_1296718, v('(', ')', end_of_file), p)
   Call: (224) [system] ')'==p
   Call: (224) [system] get_char((0x56051b6b4f40), p)
   Exit: (224) [system] get_char((0x56051b6b4f40), p)
   Call: (224) [system] p=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1301288)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1302222)
   Exit: (225) [system] peek_char((0x56051b6b4f40), l)
^  Call: (225) [user] is_delimiter(l)
   Call: (226) [system] char_type(l, space)
   Call: (226) [system] arg(_1306014, v('(', ')', end_of_file), l)
   Call: (225) [system] ')'==l
   Call: (225) [system] get_char((0x56051b6b4f40), l)
   Exit: (225) [system] get_char((0x56051b6b4f40), l)
   Call: (225) [system] l=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1310584)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1311518)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1315310, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1319880)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1320814)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1324606, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1329176)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1330110)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
^  Call: (228) [user] is_delimiter(a)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] arg(_1333902, v('(', ')', end_of_file), a)
   Call: (228) [system] ')'==a
   Call: (228) [system] get_char((0x56051b6b4f40), a)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1338472)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1339406)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1343198, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1347768)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1348702)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1352494, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1357064)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1357998)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1361790, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1366360)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1367294)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1371086, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1375656)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1376590)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1375656=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _1366360=[n]
   Exit: (232) [system] [n]=[n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (231) [system] _1357064=[o, n]
   Exit: (231) [system] [o, n]=[o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (230) [system] _1347768=[i, o, n]
   Exit: (230) [system] [i, o, n]=[i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (229) [system] _1338472=[t, i, o, n]
   Exit: (229) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (228) [system] _1329176=[a, t, i, o, n]
   Exit: (228) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (227) [system] _1319880=[c, a, t, i, o, n]
   Exit: (227) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (226) [system] _1310584=[i, c, a, t, i, o, n]
   Exit: (226) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (225) [system] _1301288=[l, i, c, a, t, i, o, n]
   Exit: (225) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (224) [system] _1291992=[p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (223) [system] _1282696=[m, p, l, i, c, a, t, i, o, n]
   Exit: (223) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1262152)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1413840, _1413842), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1262152), _1413816, fail)), '$restore_trace'(_1413840, _1413842))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1413840, _1413842))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1262152), _1413816, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1262152)
   Call: (223) [system] atom_chars(_1262152, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (223) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1422292)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1424150)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1430960)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1433664)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1443056)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1446770)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1448628)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1457096)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1446770)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1462666)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1471134)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1474848)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1476706)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1485174)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1474848)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1495392)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1496326)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1500118, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1504688)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1505622)
   Exit: (227) [system] peek_char((0x56051b6b4f40), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_1509414, v('(', ')', end_of_file), d)
   Call: (227) [system] ')'==d
   Call: (227) [system] get_char((0x56051b6b4f40), d)
   Exit: (227) [system] get_char((0x56051b6b4f40), d)
   Call: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1513984)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1514918)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_1518710, v('(', ')', end_of_file), 'L')
   Call: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (228) [system] get_char((0x56051b6b4f40), 'L')
   Call: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1523280)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1524214)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1528006, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1532576)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1533510)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1537302, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1541872)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1542806)
   Exit: (231) [system] peek_char((0x56051b6b4f40), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_1546598, v('(', ')', end_of_file), k)
   Call: (231) [system] ')'==k
   Call: (231) [system] get_char((0x56051b6b4f40), k)
   Exit: (231) [system] get_char((0x56051b6b4f40), k)
   Call: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1551168)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1552102)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1551168=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _1541872=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (230) [system] _1532576=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (229) [system] _1523280=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (228) [system] _1513984=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (227) [system] _1504688=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (226) [system] _1495392=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1474848)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1578176, _1578178), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1474848), _1578152, fail)), '$restore_trace'(_1578176, _1578178))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1578176, _1578178))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1474848), _1578152, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1474848)
   Call: (226) [system] atom_chars(_1474848, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1586628)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1588486)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1595296)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1598000)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1607392)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1611106)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1612964)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1621432)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1611106)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1631650)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1632584)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1631650=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('A', [], _1611106)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1641894, _1641896), once(user:catch(read_from_chars(['A'], _1611106), _1641870, fail)), '$restore_trace'(_1641894, _1641896))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1641894, _1641896))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1611106), _1641870, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1611106)
   Call: (227) [system] atom_chars(_1611106, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1650346)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1652204)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1659014)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1661718)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (227) [system] 'B'=(;)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1671110)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (225) [system] 'B'=')'
   Call: (225) [system] 'B'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1674824)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1676682)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (227) [system] 'B'=(;)
^  Call: (227) [user] is_like_space('B')
   Call: (228) [system] char_type('B', 'white')
   Call: (228) [system] char_type('B', end_of_line)
   Call: (228) [system] char_type('B', space)
   Call: (228) [system] char_type('B', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1685150)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'='('
   Call: (226) [system] 'B'='['
   Call: (226) [system] 'B'='{'
   Call: (226) [system] 'B'='"'
   Call: (226) [system] 'B'=!
   Call: (226) [system] 'B'='\''
   Call: (226) [system] 'B'='`'
   Call: (226) [system] 'B'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1674824)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1695368)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1696302)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1700094, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1695368=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('B', [], _1674824)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1706556, _1706558), once(user:catch(read_from_chars(['B'], _1674824), _1706532, fail)), '$restore_trace'(_1706556, _1706558))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1706556, _1706558))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1674824), _1706532, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1674824)
   Call: (228) [system] atom_chars(_1674824, ['B'])
   Exit: (228) [system] atom_chars('B', ['B'])
^  Exit: (227) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1715008)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1716866)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1725334)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _1729124)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _1715008=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1650346=['B']
   Exit: (225) [system] ['B']=['B']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (224) [system] _1586628=['A', 'B']
   Exit: (224) [system] ['A', 'B']=['A', 'B']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (223) [system] _1446770=['AndLink', 'A', 'B']
   Exit: (223) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1743006)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1744864)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1751674)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1754378)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1763770)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1767484)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1769342)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1777810)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1767484)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1788028)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1788962)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (225) [user] is_delimiter(')')
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] arg(_1792754, v('(', ')', end_of_file), ')')
   Exit: (226) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (225) [user] is_delimiter(')')
   Call: (225) [system] _1788028=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('C', [], _1767484)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1799216, _1799218), once(user:catch(read_from_chars(['C'], _1767484), _1799192, fail)), '$restore_trace'(_1799216, _1799218))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1799216, _1799218))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1767484), _1799192, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1767484)
   Call: (225) [system] atom_chars(_1767484, ['C'])
   Exit: (225) [system] atom_chars('C', ['C'])
^  Exit: (224) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1807668)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1809526)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1817994)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _1821784)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _1807668=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1743006=['C']
   Exit: (222) [system] ['C']=['C']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (221) [system] _1422292=[['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (220) [system] _1234074=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (220) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1835666)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1837524)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1844334)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1847038)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1856430)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1860144)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1862002)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1870470)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1860144)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1876040)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1884508)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1888222)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1890080)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1898548)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1888222)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1908766)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1909700)
   Exit: (224) [system] peek_char((0x56051b6b4f40), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1913492, v('(', ')', end_of_file), r)
   Call: (224) [system] ')'==r
   Call: (224) [system] get_char((0x56051b6b4f40), r)
   Exit: (224) [system] get_char((0x56051b6b4f40), r)
   Call: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1918062)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1918996)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_1922788, v('(', ')', end_of_file), 'L')
   Call: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (225) [system] get_char((0x56051b6b4f40), 'L')
   Call: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1927358)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1928292)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1932084, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1936654)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1937588)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_1941380, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1945950)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1946884)
   Exit: (228) [system] peek_char((0x56051b6b4f40), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_1950676, v('(', ')', end_of_file), k)
   Call: (228) [system] ')'==k
   Call: (228) [system] get_char((0x56051b6b4f40), k)
   Exit: (228) [system] get_char((0x56051b6b4f40), k)
   Call: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1955246)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1956180)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1955246=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1945950=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (227) [system] _1936654=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (226) [system] _1927358=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (225) [system] _1918062=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (224) [system] _1908766=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1888222)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1979460, _1979462), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1888222), _1979436, fail)), '$restore_trace'(_1979460, _1979462))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1979460, _1979462))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1888222), _1979436, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1888222)
   Call: (224) [system] atom_chars(_1888222, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1987912)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1989770)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1996580)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1999284)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _2008676)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (222) [system] 'A'=')'
   Call: (222) [system] 'A'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _2012390)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _2014248)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _2022716)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'='('
   Call: (223) [system] 'A'='['
   Call: (223) [system] 'A'='{'
   Call: (223) [system] 'A'='"'
   Call: (223) [system] 'A'=!
   Call: (223) [system] 'A'='\''
   Call: (223) [system] 'A'='`'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _2012390)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2032934)
   Call: (225) [system] peek_char((0x56051b6b4f40), _2033868)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _2032934=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq('A', [], _2012390)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_2043178, _2043180), once(user:catch(read_from_chars(['A'], _2012390), _2043154, fail)), '$restore_trace'(_2043178, _2043180))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_2043178, _2043180))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _2012390), _2043154, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_2012390)
   Call: (225) [system] atom_chars(_2012390, ['A'])
   Exit: (225) [system] atom_chars('A', ['A'])
^  Exit: (224) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _2051630)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _2053488)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _2060298)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _2063002)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _2072394)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _2076108)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _2077966)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _2086434)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _2076108)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _2092004)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=(;)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _10746)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _14460)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _16318)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=(;)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _24786)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _14460)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _35004)
   Call: (228) [system] peek_char((0x56051b6b4f40), _35938)
   Exit: (228) [system] peek_char((0x56051b6b4f40), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_39730, v('(', ')', end_of_file), m)
   Call: (228) [system] ')'==m
   Call: (228) [system] get_char((0x56051b6b4f40), m)
   Exit: (228) [system] get_char((0x56051b6b4f40), m)
   Call: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _44300)
   Call: (229) [system] peek_char((0x56051b6b4f40), _45234)
   Exit: (229) [system] peek_char((0x56051b6b4f40), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_49026, v('(', ')', end_of_file), p)
   Call: (229) [system] ')'==p
   Call: (229) [system] get_char((0x56051b6b4f40), p)
   Exit: (229) [system] get_char((0x56051b6b4f40), p)
   Call: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _53596)
   Call: (230) [system] peek_char((0x56051b6b4f40), _54530)
   Exit: (230) [system] peek_char((0x56051b6b4f40), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_58322, v('(', ')', end_of_file), l)
   Call: (230) [system] ')'==l
   Call: (230) [system] get_char((0x56051b6b4f40), l)
   Exit: (230) [system] get_char((0x56051b6b4f40), l)
   Call: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _62892)
   Call: (231) [system] peek_char((0x56051b6b4f40), _63826)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_67618, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _72188)
   Call: (232) [system] peek_char((0x56051b6b4f40), _73122)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_76914, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _81484)
   Call: (233) [system] peek_char((0x56051b6b4f40), _82418)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_86210, v('(', ')', end_of_file), a)
   Call: (233) [system] ')'==a
   Call: (233) [system] get_char((0x56051b6b4f40), a)
   Exit: (233) [system] get_char((0x56051b6b4f40), a)
   Call: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _90780)
   Call: (234) [system] peek_char((0x56051b6b4f40), _91714)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_95506, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _100076)
   Call: (235) [system] peek_char((0x56051b6b4f40), _101010)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_104802, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _109372)
   Call: (236) [system] peek_char((0x56051b6b4f40), _110306)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_114098, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _118668)
   Call: (237) [system] peek_char((0x56051b6b4f40), _119602)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_123394, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _127964)
   Call: (238) [system] peek_char((0x56051b6b4f40), _128898)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _127964=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _118668=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (236) [system] _109372=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (235) [system] _100076=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (234) [system] _90780=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (233) [system] _81484=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (232) [system] _72188=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (231) [system] _62892=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (230) [system] _53596=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _44300=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _35004=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _14460)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_166148, _166150), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _14460), _166124, fail)), '$restore_trace'(_166148, _166150))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_166148, _166150))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _14460), _166124, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_14460)
   Call: (228) [system] atom_chars(_14460, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _174600)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _176458)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _183268)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _185972)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _195364)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _199078)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _200936)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _209404)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _199078)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _214974)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _223442)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _227156)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _229014)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (230) [system] 'O'=(;)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _237482)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _227156)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _247700)
   Call: (231) [system] peek_char((0x56051b6b4f40), _248634)
   Exit: (231) [system] peek_char((0x56051b6b4f40), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_252426, v('(', ')', end_of_file), r)
   Call: (231) [system] ')'==r
   Call: (231) [system] get_char((0x56051b6b4f40), r)
   Exit: (231) [system] get_char((0x56051b6b4f40), r)
   Call: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256996)
   Call: (232) [system] peek_char((0x56051b6b4f40), _257930)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_261722, v('(', ')', end_of_file), 'L')
   Call: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (232) [system] get_char((0x56051b6b4f40), 'L')
   Call: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _266292)
   Call: (233) [system] peek_char((0x56051b6b4f40), _267226)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_271018, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _275588)
   Call: (234) [system] peek_char((0x56051b6b4f40), _276522)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_280314, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _284884)
   Call: (235) [system] peek_char((0x56051b6b4f40), _285818)
   Exit: (235) [system] peek_char((0x56051b6b4f40), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_289610, v('(', ')', end_of_file), k)
   Call: (235) [system] ')'==k
   Call: (235) [system] get_char((0x56051b6b4f40), k)
   Exit: (235) [system] get_char((0x56051b6b4f40), k)
   Call: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _294180)
   Call: (236) [system] peek_char((0x56051b6b4f40), _295114)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _294180=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _284884=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (234) [system] _275588=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (233) [system] _266292=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (232) [system] _256996=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (231) [system] _247700=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _227156)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_318394, _318396), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _227156), _318370, fail)), '$restore_trace'(_318394, _318396))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_318394, _318396))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _227156), _318370, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_227156)
   Call: (231) [system] atom_chars(_227156, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _326846)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _328704)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _335514)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _338218)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _347610)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _351324)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _353182)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _361650)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _351324)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _371868)
   Call: (232) [system] peek_char((0x56051b6b4f40), _372802)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _371868=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('C', [], _351324)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_382112, _382114), once(user:catch(read_from_chars(['C'], _351324), _382088, fail)), '$restore_trace'(_382112, _382114))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_382112, _382114))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _351324), _382088, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_351324)
   Call: (232) [system] atom_chars(_351324, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _390564)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _392422)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _399232)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _401936)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (232) [system] 'D'=(;)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _411328)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _415042)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _416900)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (232) [system] 'D'=(;)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _425368)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _415042)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _435586)
   Call: (233) [system] peek_char((0x56051b6b4f40), _436520)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_440312, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _435586=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('D', [], _415042)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_446774, _446776), once(user:catch(read_from_chars(['D'], _415042), _446750, fail)), '$restore_trace'(_446774, _446776))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_446774, _446776))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _415042), _446750, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_415042)
   Call: (233) [system] atom_chars(_415042, ['D'])
   Exit: (233) [system] atom_chars('D', ['D'])
^  Exit: (232) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _455226)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _457084)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _465552)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _469342)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _455226=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _390564=['D']
   Exit: (230) [system] ['D']=['D']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (229) [system] _326846=['C', 'D']
   Exit: (229) [system] ['C', 'D']=['C', 'D']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (228) [system] _199078=['OrLink', 'C', 'D']
   Exit: (228) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _483224)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _485082)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _491892)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _494596)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (229) [system] 'E'=(;)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _503988)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (227) [system] 'E'=')'
   Call: (227) [system] 'E'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _507702)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _509560)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (229) [system] 'E'=(;)
^  Call: (229) [user] is_like_space('E')
   Call: (230) [system] char_type('E', 'white')
   Call: (230) [system] char_type('E', end_of_line)
   Call: (230) [system] char_type('E', space)
   Call: (230) [system] char_type('E', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _518028)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'E')
   Call: (228) [system] 'E'='('
   Call: (228) [system] 'E'='['
   Call: (228) [system] 'E'='{'
   Call: (228) [system] 'E'='"'
   Call: (228) [system] 'E'=!
   Call: (228) [system] 'E'='\''
   Call: (228) [system] 'E'='`'
   Call: (228) [system] 'E'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _507702)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _528246)
   Call: (230) [system] peek_char((0x56051b6b4f40), _529180)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_532972, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _528246=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('E', [], _507702)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_539434, _539436), once(user:catch(read_from_chars(['E'], _507702), _539410, fail)), '$restore_trace'(_539434, _539436))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_539434, _539436))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _507702), _539410, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_507702)
   Call: (230) [system] atom_chars(_507702, ['E'])
   Exit: (230) [system] atom_chars('E', ['E'])
^  Exit: (229) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _547886)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _549744)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _558212)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _562002)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _547886=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _483224=['E']
   Exit: (227) [system] ['E']=['E']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (226) [system] _174600=[['OrLink', 'C', 'D'], 'E']
   Exit: (226) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (225) [system] _6602=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (225) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _575884)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _577742)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _586210)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _590000)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _575884=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _6598=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (223) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (222) [system] _6592=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (222) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (221) [system] _6584=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (221) [system] ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _603882)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _605740)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _614208)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _617998)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _603882=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _6580=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (219) [system] [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (218) [system] _6538=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (218) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (217) [system] _6530=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (217) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _631880)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _633738)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=(;)
^  Call: (217) [user] is_like_space(')')
   Call: (218) [system] char_type(')', 'white')
   Call: (218) [system] char_type(')', end_of_line)
   Call: (218) [system] char_type(')', space)
   Call: (218) [system] char_type(')', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _642206)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ')')
   Call: (216) [system] ')'=')'
   Exit: (216) [system] ')'=')'
   Call: (216) [system] get_char((0x56051b6b4f40), _645996)
   Exit: (216) [system] get_char((0x56051b6b4f40), ')')
   Call: (216) [system] _631880=[]
   Exit: (216) [system] []=[]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (215) [system] _6526=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (215) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (214) [system] _6484=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (214) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (213) [system] _6476=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (213) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (212) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (211) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (211) [user] read_list(')', (0x56051b6b4f40), _659878)
^  Call: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _661736)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (213) [system] '\n'=(;)
^  Call: (213) [user] is_like_space('\n')
   Call: (214) [system] char_type('\n', 'white')
   Call: (214) [system] char_type('\n', end_of_line)
   Exit: (214) [system] char_type('\n', end_of_line)
^  Exit: (213) [user] is_like_space('\n')
   Call: (213) [system] get_char((0x56051b6b4f40), _669352)
   Exit: (213) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _672056)
   Exit: (214) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (214) [system] ' '=(;)
^  Call: (214) [user] is_like_space(' ')
   Call: (215) [system] char_type(' ', 'white')
   Exit: (215) [system] char_type(' ', 'white')
^  Exit: (214) [user] is_like_space(' ')
   Call: (214) [system] get_char((0x56051b6b4f40), _678866)
   Exit: (214) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _681570)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (212) [user] skip_spaces((0x56051b6b4f40))
   Call: (212) [system] peek_char((0x56051b6b4f40), _691886)
   Exit: (212) [system] peek_char((0x56051b6b4f40), '(')
   Call: (212) [system] '('=')'
   Call: (212) [system] '('=end_of_file
^  Call: (212) [user] cont_sexpr(')', (0x56051b6b4f40), _695600)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _697458)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=(;)
^  Call: (214) [user] is_like_space('(')
   Call: (215) [system] char_type('(', 'white')
   Call: (215) [system] char_type('(', end_of_line)
   Call: (215) [system] char_type('(', space)
   Call: (215) [system] char_type('(', cntrl)
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] get_char((0x56051b6b4f40), _705926)
   Exit: (213) [system] get_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('='('
   Exit: (213) [system] '('='('
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _695600)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _711496)
   Exit: (215) [system] peek_char((0x56051b6b4f40), :)
   Call: (215) [system] (:)=(;)
^  Call: (215) [user] is_like_space(:)
   Call: (216) [system] char_type(:, 'white')
   Call: (216) [system] char_type(:, end_of_line)
   Call: (216) [system] char_type(:, space)
   Call: (216) [system] char_type(:, cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _719964)
   Exit: (214) [system] peek_char((0x56051b6b4f40), :)
   Call: (214) [system] (:)=')'
   Call: (214) [system] (:)=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _723678)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _725536)
   Exit: (216) [system] peek_char((0x56051b6b4f40), :)
   Call: (216) [system] (:)=(;)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _734004)
   Exit: (215) [system] get_char((0x56051b6b4f40), :)
   Call: (215) [system] (:)='('
   Call: (215) [system] (:)='['
   Call: (215) [system] (:)='{'
   Call: (215) [system] (:)='"'
   Call: (215) [system] (:)=!
   Call: (215) [system] (:)='\''
   Call: (215) [system] (:)='`'
   Call: (215) [system] (:)=end_of_file
^  Call: (215) [user] read_symbolic(')', (0x56051b6b4f40), :, _723678)
^  Call: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), _744222)
   Call: (217) [system] peek_char((0x56051b6b4f40), _745156)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] is_delimiter(' ')
   Call: (218) [system] char_type(' ', space)
   Exit: (218) [system] char_type(' ', space)
^  Exit: (217) [user] is_delimiter(' ')
   Call: (217) [system] _744222=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (216) [user] classify_and_convert_charseq(:, [], _723678)
^  Call: (218) [system] setup_call_cleanup('$notrace'(_754466, _754468), once(user:catch(read_from_chars([:], _723678), _754442, fail)), '$restore_trace'(_754466, _754468))
^  Call: (219) [system] sig_atomic(system:'$notrace'(_754466, _754468))
^  Exit: (218) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _754442, fail)), system:'$restore_trace'(3, -1))
   Call: (217) [system] atomic(:)
   Exit: (217) [system] atomic(:)
^  Exit: (216) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (215) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _761966)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _763824)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _770634)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _773338)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _782730)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _786444)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _788302)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _796770)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _786444)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _802340)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'=(;)
^  Call: (218) [user] is_like_space('D')
   Call: (219) [system] char_type('D', 'white')
   Call: (219) [system] char_type('D', end_of_line)
   Call: (219) [system] char_type('D', space)
   Call: (219) [system] char_type('D', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _810808)
   Exit: (217) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (217) [system] 'D'=')'
   Call: (217) [system] 'D'=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _814522)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _816380)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _824848)
   Exit: (218) [system] get_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'='('
   Call: (218) [system] 'D'='['
   Call: (218) [system] 'D'='{'
   Call: (218) [system] 'D'='"'
   Call: (218) [system] 'D'=!
   Call: (218) [system] 'D'='\''
   Call: (218) [system] 'D'='`'
   Call: (218) [system] 'D'=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _814522)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _835066)
   Call: (220) [system] peek_char((0x56051b6b4f40), _836000)
   Exit: (220) [system] peek_char((0x56051b6b4f40), i)
^  Call: (220) [user] is_delimiter(i)
   Call: (221) [system] char_type(i, space)
   Call: (221) [system] arg(_839792, v('(', ')', end_of_file), i)
   Call: (220) [system] ')'==i
   Call: (220) [system] get_char((0x56051b6b4f40), i)
   Exit: (220) [system] get_char((0x56051b6b4f40), i)
   Call: (220) [system] i=(\)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _844362)
   Call: (221) [system] peek_char((0x56051b6b4f40), _845296)
   Exit: (221) [system] peek_char((0x56051b6b4f40), s)
^  Call: (221) [user] is_delimiter(s)
   Call: (222) [system] char_type(s, space)
   Call: (222) [system] arg(_849088, v('(', ')', end_of_file), s)
   Call: (221) [system] ')'==s
   Call: (221) [system] get_char((0x56051b6b4f40), s)
   Exit: (221) [system] get_char((0x56051b6b4f40), s)
   Call: (221) [system] s=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _853658)
   Call: (222) [system] peek_char((0x56051b6b4f40), _854592)
   Exit: (222) [system] peek_char((0x56051b6b4f40), j)
^  Call: (222) [user] is_delimiter(j)
   Call: (223) [system] char_type(j, space)
   Call: (223) [system] arg(_858384, v('(', ')', end_of_file), j)
   Call: (222) [system] ')'==j
   Call: (222) [system] get_char((0x56051b6b4f40), j)
   Exit: (222) [system] get_char((0x56051b6b4f40), j)
   Call: (222) [system] j=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _862954)
   Call: (223) [system] peek_char((0x56051b6b4f40), _863888)
   Exit: (223) [system] peek_char((0x56051b6b4f40), u)
^  Call: (223) [user] is_delimiter(u)
   Call: (224) [system] char_type(u, space)
   Call: (224) [system] arg(_867680, v('(', ')', end_of_file), u)
   Call: (223) [system] ')'==u
   Call: (223) [system] get_char((0x56051b6b4f40), u)
   Exit: (223) [system] get_char((0x56051b6b4f40), u)
   Call: (223) [system] u=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _872250)
   Call: (224) [system] peek_char((0x56051b6b4f40), _873184)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_876976, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _881546)
   Call: (225) [system] peek_char((0x56051b6b4f40), _882480)
   Exit: (225) [system] peek_char((0x56051b6b4f40), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_886272, v('(', ')', end_of_file), c)
   Call: (225) [system] ')'==c
   Call: (225) [system] get_char((0x56051b6b4f40), c)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _890842)
   Call: (226) [system] peek_char((0x56051b6b4f40), _891776)
   Exit: (226) [system] peek_char((0x56051b6b4f40), t)
^  Call: (226) [user] is_delimiter(t)
   Call: (227) [system] char_type(t, space)
   Call: (227) [system] arg(_895568, v('(', ')', end_of_file), t)
   Call: (226) [system] ')'==t
   Call: (226) [system] get_char((0x56051b6b4f40), t)
   Exit: (226) [system] get_char((0x56051b6b4f40), t)
   Call: (226) [system] t=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _900138)
   Call: (227) [system] peek_char((0x56051b6b4f40), _901072)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_904864, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _909434)
   Call: (228) [system] peek_char((0x56051b6b4f40), _910368)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_914160, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _918730)
   Call: (229) [system] peek_char((0x56051b6b4f40), _919664)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_923456, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _928026)
   Call: (230) [system] peek_char((0x56051b6b4f40), _928960)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (230) [user] is_delimiter('I')
   Call: (231) [system] char_type('I', space)
   Call: (231) [system] arg(_932752, v('(', ')', end_of_file), 'I')
   Call: (230) [system] ')'=='I'
   Call: (230) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (230) [system] get_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _937322)
   Call: (231) [system] peek_char((0x56051b6b4f40), _938256)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_942048, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _946618)
   Call: (232) [system] peek_char((0x56051b6b4f40), _947552)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_951344, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _955914)
   Call: (233) [system] peek_char((0x56051b6b4f40), _956848)
   Exit: (233) [system] peek_char((0x56051b6b4f40), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_960640, v('(', ')', end_of_file), r)
   Call: (233) [system] ')'==r
   Call: (233) [system] get_char((0x56051b6b4f40), r)
   Exit: (233) [system] get_char((0x56051b6b4f40), r)
   Call: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _965210)
   Call: (234) [system] peek_char((0x56051b6b4f40), _966144)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_969936, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _974506)
   Call: (235) [system] peek_char((0x56051b6b4f40), _975440)
   Exit: (235) [system] peek_char((0x56051b6b4f40), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_979232, v('(', ')', end_of_file), d)
   Call: (235) [system] ')'==d
   Call: (235) [system] get_char((0x56051b6b4f40), d)
   Exit: (235) [system] get_char((0x56051b6b4f40), d)
   Call: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _983802)
   Call: (236) [system] peek_char((0x56051b6b4f40), _984736)
   Exit: (236) [system] peek_char((0x56051b6b4f40), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_988528, v('(', ')', end_of_file), u)
   Call: (236) [system] ')'==u
   Call: (236) [system] get_char((0x56051b6b4f40), u)
   Exit: (236) [system] get_char((0x56051b6b4f40), u)
   Call: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _993098)
   Call: (237) [system] peek_char((0x56051b6b4f40), _994032)
   Exit: (237) [system] peek_char((0x56051b6b4f40), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_997824, v('(', ')', end_of_file), c)
   Call: (237) [system] ')'==c
   Call: (237) [system] get_char((0x56051b6b4f40), c)
   Exit: (237) [system] get_char((0x56051b6b4f40), c)
   Call: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1002394)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1003328)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1007120, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1011690)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1012624)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1016416, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1020986)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1021920)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1025712, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1030282)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1031216)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1035008, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1039578)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1040512)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1039578=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (241) [system] _1030282=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (240) [system] _1020986=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (239) [system] _1011690=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (238) [system] _1002394=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (237) [system] _993098=[c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (236) [system] _983802=[u, c, t, i, o, n]
   Exit: (236) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (235) [system] _974506=[d, u, c, t, i, o, n]
   Exit: (235) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (234) [system] _965210=[o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (233) [system] _955914=[r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _946618=[t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _937322=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _928026=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _918730=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _909434=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _900138=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _890842=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _881546=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _872250=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _862954=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _853658=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _844362=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (220) [system] _835066=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (220) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _814522)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_1111290, _1111292), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _814522), _1111266, fail)), '$restore_trace'(_1111290, _1111292))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_1111290, _1111292))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _814522), _1111266, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(_814522)
   Call: (220) [system] atom_chars(_814522, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (220) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (219) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1119742)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1121600)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1128410)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1131114)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
   Call: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1140506)
   Exit: (218) [system] peek_char((0x56051b6b4f40), a)
   Call: (218) [system] a=')'
   Call: (218) [system] a=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1144220)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1146078)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
   Call: (220) [system] a=(;)
^  Call: (220) [user] is_like_space(a)
   Call: (221) [system] char_type(a, 'white')
   Call: (221) [system] char_type(a, end_of_line)
   Call: (221) [system] char_type(a, space)
   Call: (221) [system] char_type(a, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1154546)
   Exit: (219) [system] get_char((0x56051b6b4f40), a)
   Call: (219) [system] a='('
   Call: (219) [system] a='['
   Call: (219) [system] a='{'
   Call: (219) [system] a='"'
   Call: (219) [system] a=!
   Call: (219) [system] a='\''
   Call: (219) [system] a='`'
   Call: (219) [system] a=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), a, _1144220)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1164764)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1165698)
   Exit: (221) [system] peek_char((0x56051b6b4f40), b)
^  Call: (221) [user] is_delimiter(b)
   Call: (222) [system] char_type(b, space)
   Call: (222) [system] arg(_1169490, v('(', ')', end_of_file), b)
   Call: (221) [system] ')'==b
   Call: (221) [system] get_char((0x56051b6b4f40), b)
   Exit: (221) [system] get_char((0x56051b6b4f40), b)
   Call: (221) [system] b=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1174060)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1174994)
   Exit: (222) [system] peek_char((0x56051b6b4f40), c)
^  Call: (222) [user] is_delimiter(c)
   Call: (223) [system] char_type(c, space)
   Call: (223) [system] arg(_1178786, v('(', ')', end_of_file), c)
   Call: (222) [system] ')'==c
   Call: (222) [system] get_char((0x56051b6b4f40), c)
   Exit: (222) [system] get_char((0x56051b6b4f40), c)
   Call: (222) [system] c=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1183356)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1184290)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1183356=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1174060=[c]
   Exit: (222) [system] [c]=[c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (221) [system] _1164764=[b, c]
   Exit: (221) [system] [b, c]=[b, c]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (220) [user] classify_and_convert_charseq(a, [b, c], _1144220)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1199188, _1199190), once(user:catch(read_from_chars([a, b, c], _1144220), _1199164, fail)), '$restore_trace'(_1199188, _1199190))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1199188, _1199190))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1199164, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(abc)
   Exit: (221) [system] atomic(abc)
^  Exit: (220) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1206688)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1208546)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1215356)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1218060)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1227452)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1231166)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1233024)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1241492)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1231166)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1247062)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'=(;)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1255530)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1259244)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1261102)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1269570)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1259244)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1279788)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1280722)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_1284514, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1289084)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1290018)
   Exit: (225) [system] peek_char((0x56051b6b4f40), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_1293810, v('(', ')', end_of_file), s)
   Call: (225) [system] ')'==s
   Call: (225) [system] get_char((0x56051b6b4f40), s)
   Exit: (225) [system] get_char((0x56051b6b4f40), s)
   Call: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1298380)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1299314)
   Exit: (226) [system] peek_char((0x56051b6b4f40), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_1303106, v('(', ')', end_of_file), j)
   Call: (226) [system] ')'==j
   Call: (226) [system] get_char((0x56051b6b4f40), j)
   Exit: (226) [system] get_char((0x56051b6b4f40), j)
   Call: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1307676)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1308610)
   Exit: (227) [system] peek_char((0x56051b6b4f40), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_1312402, v('(', ')', end_of_file), u)
   Call: (227) [system] ')'==u
   Call: (227) [system] get_char((0x56051b6b4f40), u)
   Exit: (227) [system] get_char((0x56051b6b4f40), u)
   Call: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1316972)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1317906)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1321698, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1326268)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1327202)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1330994, v('(', ')', end_of_file), c)
   Call: (229) [system] ')'==c
   Call: (229) [system] get_char((0x56051b6b4f40), c)
   Exit: (229) [system] get_char((0x56051b6b4f40), c)
   Call: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1335564)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1336498)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_1340290, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1344860)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1345794)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1349586, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1354156)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1355090)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_1358882, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1363452)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1364386)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1368178, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1372748)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1373682)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_1377474, v('(', ')', end_of_file), 'I')
   Call: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (234) [system] get_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1382044)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1382978)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1386770, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1391340)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1392274)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1396066, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1400636)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1401570)
   Exit: (237) [system] peek_char((0x56051b6b4f40), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_1405362, v('(', ')', end_of_file), r)
   Call: (237) [system] ')'==r
   Call: (237) [system] get_char((0x56051b6b4f40), r)
   Exit: (237) [system] get_char((0x56051b6b4f40), r)
   Call: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1409932)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1410866)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1414658, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1419228)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1420162)
   Exit: (239) [system] peek_char((0x56051b6b4f40), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_1423954, v('(', ')', end_of_file), d)
   Call: (239) [system] ')'==d
   Call: (239) [system] get_char((0x56051b6b4f40), d)
   Exit: (239) [system] get_char((0x56051b6b4f40), d)
   Call: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1428524)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1429458)
   Exit: (240) [system] peek_char((0x56051b6b4f40), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_1433250, v('(', ')', end_of_file), u)
   Call: (240) [system] ')'==u
   Call: (240) [system] get_char((0x56051b6b4f40), u)
   Exit: (240) [system] get_char((0x56051b6b4f40), u)
   Call: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1437820)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1438754)
   Exit: (241) [system] peek_char((0x56051b6b4f40), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_1442546, v('(', ')', end_of_file), c)
   Call: (241) [system] ')'==c
   Call: (241) [system] get_char((0x56051b6b4f40), c)
   Exit: (241) [system] get_char((0x56051b6b4f40), c)
   Call: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1447116)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1448050)
   Exit: (242) [system] peek_char((0x56051b6b4f40), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1451842, v('(', ')', end_of_file), t)
   Call: (242) [system] ')'==t
   Call: (242) [system] get_char((0x56051b6b4f40), t)
   Exit: (242) [system] get_char((0x56051b6b4f40), t)
   Call: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1456412)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1457346)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1461138, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1465708)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1466642)
   Exit: (244) [system] peek_char((0x56051b6b4f40), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1470434, v('(', ')', end_of_file), o)
   Call: (244) [system] ')'==o
   Call: (244) [system] get_char((0x56051b6b4f40), o)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1475004)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1475938)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1479730, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1484300)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1485234)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1484300=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (245) [system] _1475004=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (244) [system] _1465708=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (243) [system] _1456412=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (242) [system] _1447116=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (241) [system] _1437820=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (240) [system] _1428524=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (239) [system] _1419228=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (238) [system] _1409932=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _1400636=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1391340=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1382044=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1372748=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1363452=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1354156=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1344860=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1335564=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1326268=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1316972=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1307676=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1298380=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1289084=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1279788=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1259244)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1556012, _1556014), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1259244), _1555988, fail)), '$restore_trace'(_1556012, _1556014))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1556012, _1556014))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1259244), _1555988, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1259244)
   Call: (224) [system] atom_chars(_1259244, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1564464)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1566322)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1573132)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1575836)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=(;)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1585228)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=')'
   Call: (222) [system] a=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1588942)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1590800)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=(;)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1599268)
   Exit: (223) [system] get_char((0x56051b6b4f40), a)
   Call: (223) [system] a='('
   Call: (223) [system] a='['
   Call: (223) [system] a='{'
   Call: (223) [system] a='"'
   Call: (223) [system] a=!
   Call: (223) [system] a='\''
   Call: (223) [system] a='`'
   Call: (223) [system] a=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), a, _1588942)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1609486)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1610420)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _1609486=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq(a, [], _1588942)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1619730, _1619732), once(user:catch(read_from_chars([a], _1588942), _1619706, fail)), '$restore_trace'(_1619730, _1619732))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1619730, _1619732))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1619706, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(a)
   Exit: (225) [system] atomic(a)
^  Exit: (224) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1627230)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1629088)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1635898)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1638602)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1647994)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1651708)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1653566)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1662034)
   Exit: (224) [system] get_char((0x56051b6b4f40), a)
   Call: (224) [system] a='('
   Call: (224) [system] a='['
   Call: (224) [system] a='{'
   Call: (224) [system] a='"'
   Call: (224) [system] a=!
   Call: (224) [system] a='\''
   Call: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), a, _1651708)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1672252)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1673186)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_1676978, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _1672252=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq(a, [], _1651708)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1683440, _1683442), once(user:catch(read_from_chars([a], _1651708), _1683416, fail)), '$restore_trace'(_1683440, _1683442))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1683440, _1683442))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1683416, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(a)
   Exit: (226) [system] atomic(a)
^  Exit: (225) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1690940)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1692798)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1701266)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _1705056)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _1690940=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1627230=[a]
   Exit: (223) [system] [a]=[a]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (222) [system] _1564464=[a, a]
   Exit: (222) [system] [a, a]=[a, a]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (221) [system] _1231166=['DisjunctionIntroduction', a, a]
   Exit: (221) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1718938)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1720796)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1729264)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _1733054)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _1718938=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _1206688=[['DisjunctionIntroduction', a, a]]
   Exit: (219) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a]])
   Call: (218) [system] _1119742=[abc, ['DisjunctionIntroduction', a, a]]
   Exit: (218) [system] [abc, ['DisjunctionIntroduction', a, a]]=[abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [abc, ['DisjunctionIntroduction', a, a]])
   Call: (217) [system] _786444=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
   Exit: (217) [system] ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _1746936)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1748794)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _1755604)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1758308)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _1767700)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _1771414)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1773272)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _1781740)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1771414)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1787310)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'=(;)
^  Call: (219) [user] is_like_space('O')
   Call: (220) [system] char_type('O', 'white')
   Call: (220) [system] char_type('O', end_of_line)
   Call: (220) [system] char_type('O', space)
   Call: (220) [system] char_type('O', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1795778)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (218) [system] 'O'=')'
   Call: (218) [system] 'O'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1799492)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1801350)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1809818)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'='('
   Call: (219) [system] 'O'='['
   Call: (219) [system] 'O'='{'
   Call: (219) [system] 'O'='"'
   Call: (219) [system] 'O'=!
   Call: (219) [system] 'O'='\''
   Call: (219) [system] 'O'='`'
   Call: (219) [system] 'O'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1799492)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1820036)
   Call: (221) [system] peek_char((0x56051b6b4f40), _1820970)
   Exit: (221) [system] peek_char((0x56051b6b4f40), r)
^  Call: (221) [user] is_delimiter(r)
   Call: (222) [system] char_type(r, space)
   Call: (222) [system] arg(_1824762, v('(', ')', end_of_file), r)
   Call: (221) [system] ')'==r
   Call: (221) [system] get_char((0x56051b6b4f40), r)
   Exit: (221) [system] get_char((0x56051b6b4f40), r)
   Call: (221) [system] r=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1829332)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1830266)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (222) [user] is_delimiter('L')
   Call: (223) [system] char_type('L', space)
   Call: (223) [system] arg(_1834058, v('(', ')', end_of_file), 'L')
   Call: (222) [system] ')'=='L'
   Call: (222) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (222) [system] get_char((0x56051b6b4f40), 'L')
   Call: (222) [system] 'L'=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1838628)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1839562)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_1843354, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1847924)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1848858)
   Exit: (224) [system] peek_char((0x56051b6b4f40), n)
^  Call: (224) [user] is_delimiter(n)
   Call: (225) [system] char_type(n, space)
   Call: (225) [system] arg(_1852650, v('(', ')', end_of_file), n)
   Call: (224) [system] ')'==n
   Call: (224) [system] get_char((0x56051b6b4f40), n)
   Exit: (224) [system] get_char((0x56051b6b4f40), n)
   Call: (224) [system] n=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1857220)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1858154)
   Exit: (225) [system] peek_char((0x56051b6b4f40), k)
^  Call: (225) [user] is_delimiter(k)
   Call: (226) [system] char_type(k, space)
   Call: (226) [system] arg(_1861946, v('(', ')', end_of_file), k)
   Call: (225) [system] ')'==k
   Call: (225) [system] get_char((0x56051b6b4f40), k)
   Exit: (225) [system] get_char((0x56051b6b4f40), k)
   Call: (225) [system] k=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1866516)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1867450)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1866516=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1857220=[k]
   Exit: (225) [system] [k]=[k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (224) [system] _1847924=[n, k]
   Exit: (224) [system] [n, k]=[n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (223) [system] _1838628=[i, n, k]
   Exit: (223) [system] [i, n, k]=[i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (222) [system] _1829332=['L', i, n, k]
   Exit: (222) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (221) [system] _1820036=[r, 'L', i, n, k]
   Exit: (221) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1799492)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1890730, _1890732), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1799492), _1890706, fail)), '$restore_trace'(_1890730, _1890732))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1890730, _1890732))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1799492), _1890706, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_1799492)
   Call: (221) [system] atom_chars(_1799492, ['O', r, 'L', i, n, k])
   Exit: (221) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (220) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1899182)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1901040)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1907850)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1910554)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1919946)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1923660)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1925518)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1933986)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1923660)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1939556)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=(;)
^  Call: (222) [user] is_like_space('I')
   Call: (223) [system] char_type('I', 'white')
   Call: (223) [system] char_type('I', end_of_line)
   Call: (223) [system] char_type('I', space)
   Call: (223) [system] char_type('I', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1948024)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (221) [system] 'I'=')'
   Call: (221) [system] 'I'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1951738)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1953596)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1962064)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'='('
   Call: (222) [system] 'I'='['
   Call: (222) [system] 'I'='{'
   Call: (222) [system] 'I'='"'
   Call: (222) [system] 'I'=!
   Call: (222) [system] 'I'='\''
   Call: (222) [system] 'I'='`'
   Call: (222) [system] 'I'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1951738)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1972282)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1973216)
   Exit: (224) [system] peek_char((0x56051b6b4f40), m)
^  Call: (224) [user] is_delimiter(m)
   Call: (225) [system] char_type(m, space)
   Call: (225) [system] arg(_1977008, v('(', ')', end_of_file), m)
   Call: (224) [system] ')'==m
   Call: (224) [system] get_char((0x56051b6b4f40), m)
   Exit: (224) [system] get_char((0x56051b6b4f40), m)
   Call: (224) [system] m=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1981578)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1982512)
   Exit: (225) [system] peek_char((0x56051b6b4f40), p)
^  Call: (225) [user] is_delimiter(p)
   Call: (226) [system] char_type(p, space)
   Call: (226) [system] arg(_1986304, v('(', ')', end_of_file), p)
   Call: (225) [system] ')'==p
   Call: (225) [system] get_char((0x56051b6b4f40), p)
   Exit: (225) [system] get_char((0x56051b6b4f40), p)
   Call: (225) [system] p=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1990874)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1991808)
   Exit: (226) [system] peek_char((0x56051b6b4f40), l)
^  Call: (226) [user] is_delimiter(l)
   Call: (227) [system] char_type(l, space)
   Call: (227) [system] arg(_1995600, v('(', ')', end_of_file), l)
   Call: (226) [system] ')'==l
   Call: (226) [system] get_char((0x56051b6b4f40), l)
   Exit: (226) [system] get_char((0x56051b6b4f40), l)
   Call: (226) [system] l=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2000170)
   Call: (227) [system] peek_char((0x56051b6b4f40), _2001104)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_2004896, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2009466)
   Call: (228) [system] peek_char((0x56051b6b4f40), _2010400)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_2014192, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2018762)
   Call: (229) [system] peek_char((0x56051b6b4f40), _2019696)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
^  Call: (229) [user] is_delimiter(a)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] arg(_2023488, v('(', ')', end_of_file), a)
   Call: (229) [system] ')'==a
   Call: (229) [system] get_char((0x56051b6b4f40), a)
   Exit: (229) [system] get_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2028058)
   Call: (230) [system] peek_char((0x56051b6b4f40), _2028992)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_2032784, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2037354)
   Call: (231) [system] peek_char((0x56051b6b4f40), _2038288)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_2042080, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2046650)
   Call: (232) [system] peek_char((0x56051b6b4f40), _2047584)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_2051376, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2055946)
   Call: (233) [system] peek_char((0x56051b6b4f40), _2056880)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_2060672, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2065242)
   Call: (234) [system] peek_char((0x56051b6b4f40), _2066176)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _2065242=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _2055946=[n]
   Exit: (233) [system] [n]=[n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (232) [system] _2046650=[o, n]
   Exit: (232) [system] [o, n]=[o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (231) [system] _2037354=[i, o, n]
   Exit: (231) [system] [i, o, n]=[i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (230) [system] _2028058=[t, i, o, n]
   Exit: (230) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (229) [system] _2018762=[a, t, i, o, n]
   Exit: (229) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (228) [system] _2009466=[c, a, t, i, o, n]
   Exit: (228) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (227) [system] _2000170=[i, c, a, t, i, o, n]
   Exit: (227) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (226) [system] _1990874=[l, i, c, a, t, i, o, n]
   Exit: (226) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (225) [system] _6724=[p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (224) [system] _6720=[m, p, l, i, c, a, t, i, o, n]
   Exit: (224) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _6716)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_13274, _13276), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _6716), _13250, fail)), '$restore_trace'(_13274, _13276))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_13274, _13276))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _6716), _13250, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_6716)
   Call: (224) [system] atom_chars(_6716, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (224) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _21726)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _23584)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _30394)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _33098)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _42490)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _46204)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _48062)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _56530)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _46204)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _62100)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _70568)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _74282)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _76140)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _84608)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _74282)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _94826)
   Call: (227) [system] peek_char((0x56051b6b4f40), _95760)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_99552, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _104122)
   Call: (228) [system] peek_char((0x56051b6b4f40), _105056)
   Exit: (228) [system] peek_char((0x56051b6b4f40), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_108848, v('(', ')', end_of_file), d)
   Call: (228) [system] ')'==d
   Call: (228) [system] get_char((0x56051b6b4f40), d)
   Exit: (228) [system] get_char((0x56051b6b4f40), d)
   Call: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _113418)
   Call: (229) [system] peek_char((0x56051b6b4f40), _114352)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_118144, v('(', ')', end_of_file), 'L')
   Call: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (229) [system] get_char((0x56051b6b4f40), 'L')
   Call: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _122714)
   Call: (230) [system] peek_char((0x56051b6b4f40), _123648)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_127440, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _132010)
   Call: (231) [system] peek_char((0x56051b6b4f40), _132944)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_136736, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _141306)
   Call: (232) [system] peek_char((0x56051b6b4f40), _142240)
   Exit: (232) [system] peek_char((0x56051b6b4f40), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_146032, v('(', ')', end_of_file), k)
   Call: (232) [system] ')'==k
   Call: (232) [system] get_char((0x56051b6b4f40), k)
   Exit: (232) [system] get_char((0x56051b6b4f40), k)
   Call: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _150602)
   Call: (233) [system] peek_char((0x56051b6b4f40), _151536)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _150602=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _141306=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (231) [system] _132010=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (230) [system] _122714=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (229) [system] _113418=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (228) [system] _104122=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (227) [system] _94826=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _74282)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_177610, _177612), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _74282), _177586, fail)), '$restore_trace'(_177610, _177612))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_177610, _177612))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _74282), _177586, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_74282)
   Call: (227) [system] atom_chars(_74282, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _186062)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _187920)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _194730)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _197434)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _206826)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _210540)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _212398)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _220866)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _210540)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _231084)
   Call: (228) [system] peek_char((0x56051b6b4f40), _232018)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _231084=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('A', [], _210540)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_241328, _241330), once(user:catch(read_from_chars(['A'], _210540), _241304, fail)), '$restore_trace'(_241328, _241330))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_241328, _241330))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _210540), _241304, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_210540)
   Call: (228) [system] atom_chars(_210540, ['A'])
   Exit: (228) [system] atom_chars('A', ['A'])
^  Exit: (227) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _249780)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _251638)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _258448)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _261152)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=(;)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _270544)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _274258)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _276116)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=(;)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _284584)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'B')
   Call: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _274258)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _294802)
   Call: (229) [system] peek_char((0x56051b6b4f40), _295736)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_299528, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _294802=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('B', [], _274258)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_305990, _305992), once(user:catch(read_from_chars(['B'], _274258), _305966, fail)), '$restore_trace'(_305990, _305992))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_305990, _305992))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _274258), _305966, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_274258)
   Call: (229) [system] atom_chars(_274258, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _314442)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _316300)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _324768)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _328558)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _314442=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _249780=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (225) [system] _186062=['A', 'B']
   Exit: (225) [system] ['A', 'B']=['A', 'B']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (224) [system] _46204=['AndLink', 'A', 'B']
   Exit: (224) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _342440)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _344298)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _351108)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _353812)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _363204)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _366918)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _368776)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _377244)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _366918)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _387462)
   Call: (226) [system] peek_char((0x56051b6b4f40), _388396)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (226) [user] is_delimiter(')')
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] arg(_392188, v('(', ')', end_of_file), ')')
   Exit: (227) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (226) [user] is_delimiter(')')
   Call: (226) [system] _387462=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('C', [], _366918)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_398650, _398652), once(user:catch(read_from_chars(['C'], _366918), _398626, fail)), '$restore_trace'(_398650, _398652))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_398650, _398652))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _366918), _398626, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_366918)
   Call: (226) [system] atom_chars(_366918, ['C'])
   Exit: (226) [system] atom_chars('C', ['C'])
^  Exit: (225) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _407102)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _408960)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _417428)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _421218)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _407102=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _342440=['C']
   Exit: (223) [system] ['C']=['C']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (222) [system] _21726=[['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (221) [system] _6710=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (221) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _435100)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _436958)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _443768)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _446472)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _455864)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _459578)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _461436)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _469904)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _459578)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _475474)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _483942)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _487656)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _489514)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _497982)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _487656)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _508200)
   Call: (225) [system] peek_char((0x56051b6b4f40), _509134)
   Exit: (225) [system] peek_char((0x56051b6b4f40), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_512926, v('(', ')', end_of_file), r)
   Call: (225) [system] ')'==r
   Call: (225) [system] get_char((0x56051b6b4f40), r)
   Exit: (225) [system] get_char((0x56051b6b4f40), r)
   Call: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _517496)
   Call: (226) [system] peek_char((0x56051b6b4f40), _518430)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_522222, v('(', ')', end_of_file), 'L')
   Call: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (226) [system] get_char((0x56051b6b4f40), 'L')
   Call: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _526792)
   Call: (227) [system] peek_char((0x56051b6b4f40), _527726)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_531518, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _536088)
   Call: (228) [system] peek_char((0x56051b6b4f40), _537022)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_540814, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _545384)
   Call: (229) [system] peek_char((0x56051b6b4f40), _546318)
   Exit: (229) [system] peek_char((0x56051b6b4f40), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_550110, v('(', ')', end_of_file), k)
   Call: (229) [system] ')'==k
   Call: (229) [system] get_char((0x56051b6b4f40), k)
   Exit: (229) [system] get_char((0x56051b6b4f40), k)
   Call: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _554680)
   Call: (230) [system] peek_char((0x56051b6b4f40), _555614)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _554680=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _545384=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (228) [system] _536088=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (227) [system] _526792=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (226) [system] _517496=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (225) [system] _508200=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _487656)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_578894, _578896), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _487656), _578870, fail)), '$restore_trace'(_578894, _578896))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_578894, _578896))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _487656), _578870, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_487656)
   Call: (225) [system] atom_chars(_487656, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _587346)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _589204)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _596014)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _598718)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _608110)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _611824)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _613682)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _622150)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _611824)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _632368)
   Call: (226) [system] peek_char((0x56051b6b4f40), _633302)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _632368=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq('A', [], _611824)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_642612, _642614), once(user:catch(read_from_chars(['A'], _611824), _642588, fail)), '$restore_trace'(_642612, _642614))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_642612, _642614))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _611824), _642588, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_611824)
   Call: (226) [system] atom_chars(_611824, ['A'])
   Exit: (226) [system] atom_chars('A', ['A'])
^  Exit: (225) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _651064)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _652922)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _659732)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _662436)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _671828)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _675542)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _677400)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _685868)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _675542)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _696086)
   Call: (227) [system] peek_char((0x56051b6b4f40), _697020)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_700812, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _696086=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('A', [], _675542)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_707274, _707276), once(user:catch(read_from_chars(['A'], _675542), _707250, fail)), '$restore_trace'(_707274, _707276))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_707274, _707276))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _675542), _707250, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_675542)
   Call: (227) [system] atom_chars(_675542, ['A'])
   Exit: (227) [system] atom_chars('A', ['A'])
^  Exit: (226) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _715726)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _717584)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _726052)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _729842)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _715726=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _651064=['A']
   Exit: (224) [system] ['A']=['A']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (223) [system] _587346=['A', 'A']
   Exit: (223) [system] ['A', 'A']=['A', 'A']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['A', 'A'])
   Call: (222) [system] _459578=['OrLink', 'A', 'A']
   Exit: (222) [system] ['OrLink', 'A', 'A']=['OrLink', 'A', 'A']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'A', 'A'])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'A', 'A'])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _743724)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _745582)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _754050)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _757840)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _743724=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _435100=[['OrLink', 'A', 'A']]
   Exit: (220) [system] [['OrLink', 'A', 'A']]=[['OrLink', 'A', 'A']]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'A', 'A']])
   Call: (219) [system] _6706=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
   Exit: (219) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']])
   Call: (218) [system] _6698=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
   Exit: (218) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _771722)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _773580)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=(;)
^  Call: (218) [user] is_like_space(')')
   Call: (219) [system] char_type(')', 'white')
   Call: (219) [system] char_type(')', end_of_line)
   Call: (219) [system] char_type(')', space)
   Call: (219) [system] char_type(')', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _782048)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ')')
   Call: (217) [system] ')'=')'
   Exit: (217) [system] ')'=')'
   Call: (217) [system] get_char((0x56051b6b4f40), _785838)
   Exit: (217) [system] get_char((0x56051b6b4f40), ')')
   Call: (217) [system] _771722=[]
   Exit: (217) [system] []=[]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (216) [system] _6694=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
   Exit: (216) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
   Call: (215) [system] _6652=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
   Exit: (215) [system] [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]=[['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
   Call: (214) [system] _6644=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
   Exit: (214) [system] [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]=[:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]]
^  Exit: (213) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
^  Exit: (212) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['DisjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['OrLink', 'A', 'A']]])
^  Call: (212) [user] read_list(')', (0x56051b6b4f40), _799720)
^  Call: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _801578)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (214) [system] '\n'=(;)
^  Call: (214) [user] is_like_space('\n')
   Call: (215) [system] char_type('\n', 'white')
   Call: (215) [system] char_type('\n', end_of_line)
   Exit: (215) [system] char_type('\n', end_of_line)
^  Exit: (214) [user] is_like_space('\n')
   Call: (214) [system] get_char((0x56051b6b4f40), _809194)
   Exit: (214) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _811898)
   Exit: (215) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (215) [system] ' '=(;)
^  Call: (215) [user] is_like_space(' ')
   Call: (216) [system] char_type(' ', 'white')
   Exit: (216) [system] char_type(' ', 'white')
^  Exit: (215) [user] is_like_space(' ')
   Call: (215) [system] get_char((0x56051b6b4f40), _818708)
   Exit: (215) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _821412)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (213) [user] skip_spaces((0x56051b6b4f40))
   Call: (213) [system] peek_char((0x56051b6b4f40), _831728)
   Exit: (213) [system] peek_char((0x56051b6b4f40), '(')
   Call: (213) [system] '('=')'
   Call: (213) [system] '('=end_of_file
^  Call: (213) [user] cont_sexpr(')', (0x56051b6b4f40), _835442)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _837300)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=(;)
^  Call: (215) [user] is_like_space('(')
   Call: (216) [system] char_type('(', 'white')
   Call: (216) [system] char_type('(', end_of_line)
   Call: (216) [system] char_type('(', space)
   Call: (216) [system] char_type('(', cntrl)
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] get_char((0x56051b6b4f40), _845768)
   Exit: (214) [system] get_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('='('
   Exit: (214) [system] '('='('
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _835442)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _851338)
   Exit: (216) [system] peek_char((0x56051b6b4f40), :)
   Call: (216) [system] (:)=(;)
^  Call: (216) [user] is_like_space(:)
   Call: (217) [system] char_type(:, 'white')
   Call: (217) [system] char_type(:, end_of_line)
   Call: (217) [system] char_type(:, space)
   Call: (217) [system] char_type(:, cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _859806)
   Exit: (215) [system] peek_char((0x56051b6b4f40), :)
   Call: (215) [system] (:)=')'
   Call: (215) [system] (:)=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _863520)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _865378)
   Exit: (217) [system] peek_char((0x56051b6b4f40), :)
   Call: (217) [system] (:)=(;)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _873846)
   Exit: (216) [system] get_char((0x56051b6b4f40), :)
   Call: (216) [system] (:)='('
   Call: (216) [system] (:)='['
   Call: (216) [system] (:)='{'
   Call: (216) [system] (:)='"'
   Call: (216) [system] (:)=!
   Call: (216) [system] (:)='\''
   Call: (216) [system] (:)='`'
   Call: (216) [system] (:)=end_of_file
^  Call: (216) [user] read_symbolic(')', (0x56051b6b4f40), :, _863520)
^  Call: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), _884064)
   Call: (218) [system] peek_char((0x56051b6b4f40), _884998)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] is_delimiter(' ')
   Call: (219) [system] char_type(' ', space)
   Exit: (219) [system] char_type(' ', space)
^  Exit: (218) [user] is_delimiter(' ')
   Call: (218) [system] _884064=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (217) [user] classify_and_convert_charseq(:, [], _863520)
^  Call: (219) [system] setup_call_cleanup('$notrace'(_894308, _894310), once(user:catch(read_from_chars([:], _863520), _894284, fail)), '$restore_trace'(_894308, _894310))
^  Call: (220) [system] sig_atomic(system:'$notrace'(_894308, _894310))
^  Exit: (219) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _894284, fail)), system:'$restore_trace'(3, -1))
   Call: (218) [system] atomic(:)
   Exit: (218) [system] atomic(:)
^  Exit: (217) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (216) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _901808)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _903666)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _910476)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _913180)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _922572)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _926286)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _928144)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _936612)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _926286)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _942182)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=(;)
^  Call: (219) [user] is_like_space('D')
   Call: (220) [system] char_type('D', 'white')
   Call: (220) [system] char_type('D', end_of_line)
   Call: (220) [system] char_type('D', space)
   Call: (220) [system] char_type('D', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _950650)
   Exit: (218) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (218) [system] 'D'=')'
   Call: (218) [system] 'D'=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _954364)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _956222)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _964690)
   Exit: (219) [system] get_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'='('
   Call: (219) [system] 'D'='['
   Call: (219) [system] 'D'='{'
   Call: (219) [system] 'D'='"'
   Call: (219) [system] 'D'=!
   Call: (219) [system] 'D'='\''
   Call: (219) [system] 'D'='`'
   Call: (219) [system] 'D'=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _954364)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _974908)
   Call: (221) [system] peek_char((0x56051b6b4f40), _975842)
   Exit: (221) [system] peek_char((0x56051b6b4f40), i)
^  Call: (221) [user] is_delimiter(i)
   Call: (222) [system] char_type(i, space)
   Call: (222) [system] arg(_979634, v('(', ')', end_of_file), i)
   Call: (221) [system] ')'==i
   Call: (221) [system] get_char((0x56051b6b4f40), i)
   Exit: (221) [system] get_char((0x56051b6b4f40), i)
   Call: (221) [system] i=(\)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _984204)
   Call: (222) [system] peek_char((0x56051b6b4f40), _985138)
   Exit: (222) [system] peek_char((0x56051b6b4f40), s)
^  Call: (222) [user] is_delimiter(s)
   Call: (223) [system] char_type(s, space)
   Call: (223) [system] arg(_988930, v('(', ')', end_of_file), s)
   Call: (222) [system] ')'==s
   Call: (222) [system] get_char((0x56051b6b4f40), s)
   Exit: (222) [system] get_char((0x56051b6b4f40), s)
   Call: (222) [system] s=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _993500)
   Call: (223) [system] peek_char((0x56051b6b4f40), _994434)
   Exit: (223) [system] peek_char((0x56051b6b4f40), j)
^  Call: (223) [user] is_delimiter(j)
   Call: (224) [system] char_type(j, space)
   Call: (224) [system] arg(_998226, v('(', ')', end_of_file), j)
   Call: (223) [system] ')'==j
   Call: (223) [system] get_char((0x56051b6b4f40), j)
   Exit: (223) [system] get_char((0x56051b6b4f40), j)
   Call: (223) [system] j=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1002796)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1003730)
   Exit: (224) [system] peek_char((0x56051b6b4f40), u)
^  Call: (224) [user] is_delimiter(u)
   Call: (225) [system] char_type(u, space)
   Call: (225) [system] arg(_1007522, v('(', ')', end_of_file), u)
   Call: (224) [system] ')'==u
   Call: (224) [system] get_char((0x56051b6b4f40), u)
   Exit: (224) [system] get_char((0x56051b6b4f40), u)
   Call: (224) [system] u=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1012092)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1013026)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_1016818, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1021388)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1022322)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_1026114, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1030684)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1031618)
   Exit: (227) [system] peek_char((0x56051b6b4f40), t)
^  Call: (227) [user] is_delimiter(t)
   Call: (228) [system] char_type(t, space)
   Call: (228) [system] arg(_1035410, v('(', ')', end_of_file), t)
   Call: (227) [system] ')'==t
   Call: (227) [system] get_char((0x56051b6b4f40), t)
   Exit: (227) [system] get_char((0x56051b6b4f40), t)
   Call: (227) [system] t=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1039980)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1040914)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1044706, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1049276)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1050210)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1054002, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1058572)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1059506)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1063298, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1067868)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1068802)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (231) [user] is_delimiter('I')
   Call: (232) [system] char_type('I', space)
   Call: (232) [system] arg(_1072594, v('(', ')', end_of_file), 'I')
   Call: (231) [system] ')'=='I'
   Call: (231) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1077164)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1078098)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1081890, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1086460)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1087394)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1091186, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1095756)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1096690)
   Exit: (234) [system] peek_char((0x56051b6b4f40), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1100482, v('(', ')', end_of_file), r)
   Call: (234) [system] ')'==r
   Call: (234) [system] get_char((0x56051b6b4f40), r)
   Exit: (234) [system] get_char((0x56051b6b4f40), r)
   Call: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1105052)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1105986)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1109778, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1114348)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1115282)
   Exit: (236) [system] peek_char((0x56051b6b4f40), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_1119074, v('(', ')', end_of_file), d)
   Call: (236) [system] ')'==d
   Call: (236) [system] get_char((0x56051b6b4f40), d)
   Exit: (236) [system] get_char((0x56051b6b4f40), d)
   Call: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1123644)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1124578)
   Exit: (237) [system] peek_char((0x56051b6b4f40), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_1128370, v('(', ')', end_of_file), u)
   Call: (237) [system] ')'==u
   Call: (237) [system] get_char((0x56051b6b4f40), u)
   Exit: (237) [system] get_char((0x56051b6b4f40), u)
   Call: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1132940)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1133874)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_1137666, v('(', ')', end_of_file), c)
   Call: (238) [system] ')'==c
   Call: (238) [system] get_char((0x56051b6b4f40), c)
   Exit: (238) [system] get_char((0x56051b6b4f40), c)
   Call: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1142236)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1143170)
   Exit: (239) [system] peek_char((0x56051b6b4f40), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1146962, v('(', ')', end_of_file), t)
   Call: (239) [system] ')'==t
   Call: (239) [system] get_char((0x56051b6b4f40), t)
   Exit: (239) [system] get_char((0x56051b6b4f40), t)
   Call: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1151532)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1152466)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1156258, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1160828)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1161762)
   Exit: (241) [system] peek_char((0x56051b6b4f40), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1165554, v('(', ')', end_of_file), o)
   Call: (241) [system] ')'==o
   Call: (241) [system] get_char((0x56051b6b4f40), o)
   Exit: (241) [system] get_char((0x56051b6b4f40), o)
   Call: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1170124)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1171058)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1174850, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1179420)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1180354)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1179420=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _1170124=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (241) [system] _1160828=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (240) [system] _1151532=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (239) [system] _1142236=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (238) [system] _1132940=[c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (237) [system] _1123644=[u, c, t, i, o, n]
   Exit: (237) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (236) [system] _1114348=[d, u, c, t, i, o, n]
   Exit: (236) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (235) [system] _1105052=[o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (234) [system] _1095756=[r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1086460=[t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1077164=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1067868=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1058572=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1049276=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1039980=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1030684=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1021388=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1012092=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _1002796=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _993500=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _984204=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (221) [system] _974908=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (221) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _954364)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_1251132, _1251134), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _954364), _1251108, fail)), '$restore_trace'(_1251132, _1251134))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_1251132, _1251134))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _954364), _1251108, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(_954364)
   Call: (221) [system] atom_chars(_954364, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (221) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (220) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1259584)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1261442)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1268252)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1270956)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1280348)
   Exit: (219) [system] peek_char((0x56051b6b4f40), a)
   Call: (219) [system] a=')'
   Call: (219) [system] a=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1284062)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1285920)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=(;)
^  Call: (221) [user] is_like_space(a)
   Call: (222) [system] char_type(a, 'white')
   Call: (222) [system] char_type(a, end_of_line)
   Call: (222) [system] char_type(a, space)
   Call: (222) [system] char_type(a, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1294388)
   Exit: (220) [system] get_char((0x56051b6b4f40), a)
   Call: (220) [system] a='('
   Call: (220) [system] a='['
   Call: (220) [system] a='{'
   Call: (220) [system] a='"'
   Call: (220) [system] a=!
   Call: (220) [system] a='\''
   Call: (220) [system] a='`'
   Call: (220) [system] a=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), a, _1284062)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1304606)
   Call: (222) [system] peek_char((0x56051b6b4f40), _1305540)
   Exit: (222) [system] peek_char((0x56051b6b4f40), b)
^  Call: (222) [user] is_delimiter(b)
   Call: (223) [system] char_type(b, space)
   Call: (223) [system] arg(_1309332, v('(', ')', end_of_file), b)
   Call: (222) [system] ')'==b
   Call: (222) [system] get_char((0x56051b6b4f40), b)
   Exit: (222) [system] get_char((0x56051b6b4f40), b)
   Call: (222) [system] b=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1313902)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1314836)
   Exit: (223) [system] peek_char((0x56051b6b4f40), c)
^  Call: (223) [user] is_delimiter(c)
   Call: (224) [system] char_type(c, space)
   Call: (224) [system] arg(_1318628, v('(', ')', end_of_file), c)
   Call: (223) [system] ')'==c
   Call: (223) [system] get_char((0x56051b6b4f40), c)
   Exit: (223) [system] get_char((0x56051b6b4f40), c)
   Call: (223) [system] c=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1323198)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1324132)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1323198=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (223) [system] _1313902=[c]
   Exit: (223) [system] [c]=[c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (222) [system] _1304606=[b, c]
   Exit: (222) [system] [b, c]=[b, c]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (221) [user] classify_and_convert_charseq(a, [b, c], _1284062)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_1339030, _1339032), once(user:catch(read_from_chars([a, b, c], _1284062), _1339006, fail)), '$restore_trace'(_1339030, _1339032))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_1339030, _1339032))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1339006, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(abc)
   Exit: (222) [system] atomic(abc)
^  Exit: (221) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1346530)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1348388)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1355198)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1357902)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1367294)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1371008)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1372866)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1381334)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1371008)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1386904)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=(;)
^  Call: (223) [user] is_like_space('C')
   Call: (224) [system] char_type('C', 'white')
   Call: (224) [system] char_type('C', end_of_line)
   Call: (224) [system] char_type('C', space)
   Call: (224) [system] char_type('C', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1395372)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (222) [system] 'C'=')'
   Call: (222) [system] 'C'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1399086)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1400944)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1409412)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'='('
   Call: (223) [system] 'C'='['
   Call: (223) [system] 'C'='{'
   Call: (223) [system] 'C'='"'
   Call: (223) [system] 'C'=!
   Call: (223) [system] 'C'='\''
   Call: (223) [system] 'C'='`'
   Call: (223) [system] 'C'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1399086)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1419630)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1420564)
   Exit: (225) [system] peek_char((0x56051b6b4f40), o)
^  Call: (225) [user] is_delimiter(o)
   Call: (226) [system] char_type(o, space)
   Call: (226) [system] arg(_1424356, v('(', ')', end_of_file), o)
   Call: (225) [system] ')'==o
   Call: (225) [system] get_char((0x56051b6b4f40), o)
   Exit: (225) [system] get_char((0x56051b6b4f40), o)
   Call: (225) [system] o=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1428926)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1429860)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1433652, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1438222)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1439156)
   Exit: (227) [system] peek_char((0x56051b6b4f40), j)
^  Call: (227) [user] is_delimiter(j)
   Call: (228) [system] char_type(j, space)
   Call: (228) [system] arg(_1442948, v('(', ')', end_of_file), j)
   Call: (227) [system] ')'==j
   Call: (227) [system] get_char((0x56051b6b4f40), j)
   Exit: (227) [system] get_char((0x56051b6b4f40), j)
   Call: (227) [system] j=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1447518)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1448452)
   Exit: (228) [system] peek_char((0x56051b6b4f40), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_1452244, v('(', ')', end_of_file), u)
   Call: (228) [system] ')'==u
   Call: (228) [system] get_char((0x56051b6b4f40), u)
   Exit: (228) [system] get_char((0x56051b6b4f40), u)
   Call: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1456814)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1457748)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1461540, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1466110)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1467044)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1470836, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1475406)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1476340)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_1480132, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1484702)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1485636)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1489428, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1493998)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1494932)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1498724, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1503294)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1504228)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1508020, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1512590)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1513524)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (235) [user] is_delimiter('I')
   Call: (236) [system] char_type('I', space)
   Call: (236) [system] arg(_1517316, v('(', ')', end_of_file), 'I')
   Call: (235) [system] ')'=='I'
   Call: (235) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (235) [system] get_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1521886)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1522820)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1526612, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1531182)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1532116)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1535908, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1540478)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1541412)
   Exit: (238) [system] peek_char((0x56051b6b4f40), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_1545204, v('(', ')', end_of_file), r)
   Call: (238) [system] ')'==r
   Call: (238) [system] get_char((0x56051b6b4f40), r)
   Exit: (238) [system] get_char((0x56051b6b4f40), r)
   Call: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1549774)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1550708)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1554500, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1559070)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1560004)
   Exit: (240) [system] peek_char((0x56051b6b4f40), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_1563796, v('(', ')', end_of_file), d)
   Call: (240) [system] ')'==d
   Call: (240) [system] get_char((0x56051b6b4f40), d)
   Exit: (240) [system] get_char((0x56051b6b4f40), d)
   Call: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1568366)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1569300)
   Exit: (241) [system] peek_char((0x56051b6b4f40), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_1573092, v('(', ')', end_of_file), u)
   Call: (241) [system] ')'==u
   Call: (241) [system] get_char((0x56051b6b4f40), u)
   Exit: (241) [system] get_char((0x56051b6b4f40), u)
   Call: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1577662)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1578596)
   Exit: (242) [system] peek_char((0x56051b6b4f40), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_1582388, v('(', ')', end_of_file), c)
   Call: (242) [system] ')'==c
   Call: (242) [system] get_char((0x56051b6b4f40), c)
   Exit: (242) [system] get_char((0x56051b6b4f40), c)
   Call: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1586958)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1587892)
   Exit: (243) [system] peek_char((0x56051b6b4f40), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_1591684, v('(', ')', end_of_file), t)
   Call: (243) [system] ')'==t
   Call: (243) [system] get_char((0x56051b6b4f40), t)
   Exit: (243) [system] get_char((0x56051b6b4f40), t)
   Call: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1596254)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1597188)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_1600980, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1605550)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1606484)
   Exit: (245) [system] peek_char((0x56051b6b4f40), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1610276, v('(', ')', end_of_file), o)
   Call: (245) [system] ')'==o
   Call: (245) [system] get_char((0x56051b6b4f40), o)
   Exit: (245) [system] get_char((0x56051b6b4f40), o)
   Call: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1614846)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1615780)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1619572, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1624142)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1625076)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1624142=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (246) [system] _1614846=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (245) [system] _1605550=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (244) [system] _1596254=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (243) [system] _1586958=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (242) [system] _1577662=[c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (241) [system] _1568366=[u, c, t, i, o, n]
   Exit: (241) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (240) [system] _1559070=[d, u, c, t, i, o, n]
   Exit: (240) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (239) [system] _1549774=[o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (238) [system] _1540478=[r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1531182=[t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1521886=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1512590=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1503294=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1493998=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1484702=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1475406=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1466110=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1456814=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1447518=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1438222=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1428926=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _1419630=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1399086)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1695854, _1695856), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1399086), _1695830, fail)), '$restore_trace'(_1695854, _1695856))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1695854, _1695856))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1399086), _1695830, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1399086)
   Call: (225) [system] atom_chars(_1399086, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1704306)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1706164)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1712974)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1715678)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1725070)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1728784)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1730642)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1739110)
   Exit: (224) [system] get_char((0x56051b6b4f40), a)
   Call: (224) [system] a='('
   Call: (224) [system] a='['
   Call: (224) [system] a='{'
   Call: (224) [system] a='"'
   Call: (224) [system] a=!
   Call: (224) [system] a='\''
   Call: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), a, _1728784)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1749328)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1750262)
   Exit: (226) [system] peek_char((0x56051b6b4f40), b)
^  Call: (226) [user] is_delimiter(b)
   Call: (227) [system] char_type(b, space)
   Call: (227) [system] arg(_1754054, v('(', ')', end_of_file), b)
   Call: (226) [system] ')'==b
   Call: (226) [system] get_char((0x56051b6b4f40), b)
   Exit: (226) [system] get_char((0x56051b6b4f40), b)
   Call: (226) [system] b=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1758624)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1759558)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1763350, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1767920)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1768854)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1767920=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1758624=[c]
   Exit: (227) [system] [c]=[c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (226) [system] _1749328=[b, c]
   Exit: (226) [system] [b, c]=[b, c]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (225) [user] classify_and_convert_charseq(a, [b, c], _1728784)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1783752, _1783754), once(user:catch(read_from_chars([a, b, c], _1728784), _1783728, fail)), '$restore_trace'(_1783752, _1783754))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1783752, _1783754))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1783728, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(abc)
   Exit: (226) [system] atomic(abc)
^  Exit: (225) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1791252)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1793110)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1799920)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1802624)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1812016)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1815730)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1817588)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1826056)
   Exit: (225) [system] get_char((0x56051b6b4f40), a)
   Call: (225) [system] a='('
   Call: (225) [system] a='['
   Call: (225) [system] a='{'
   Call: (225) [system] a='"'
   Call: (225) [system] a=!
   Call: (225) [system] a='\''
   Call: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), a, _1815730)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1836274)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1837208)
   Exit: (227) [system] peek_char((0x56051b6b4f40), b)
^  Call: (227) [user] is_delimiter(b)
   Call: (228) [system] char_type(b, space)
   Call: (228) [system] arg(_1841000, v('(', ')', end_of_file), b)
   Call: (227) [system] ')'==b
   Call: (227) [system] get_char((0x56051b6b4f40), b)
   Exit: (227) [system] get_char((0x56051b6b4f40), b)
   Call: (227) [system] b=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1845570)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1846504)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1850296, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1854866)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1855800)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_1859592, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _1854866=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1845570=[c]
   Exit: (228) [system] [c]=[c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (227) [system] _1836274=[b, c]
   Exit: (227) [system] [b, c]=[b, c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (226) [user] classify_and_convert_charseq(a, [b, c], _1815730)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1871642, _1871644), once(user:catch(read_from_chars([a, b, c], _1815730), _1871618, fail)), '$restore_trace'(_1871642, _1871644))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1871642, _1871644))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1871618, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(abc)
   Exit: (227) [system] atomic(abc)
^  Exit: (226) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1879142)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1881000)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1889468)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _1893258)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _1879142=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1791252=[abc]
   Exit: (224) [system] [abc]=[abc]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (223) [system] _1704306=[abc, abc]
   Exit: (223) [system] [abc, abc]=[abc, abc]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [abc, abc])
   Call: (222) [system] _1371008=['ConjunctionIntroduction', abc, abc]
   Exit: (222) [system] ['ConjunctionIntroduction', abc, abc]=['ConjunctionIntroduction', abc, abc]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, abc])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, abc])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1907140)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1908998)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1917466)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _1921256)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _1907140=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _1346530=[['ConjunctionIntroduction', abc, abc]]
   Exit: (220) [system] [['ConjunctionIntroduction', abc, abc]]=[['ConjunctionIntroduction', abc, abc]]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', abc, abc]])
   Call: (219) [system] _1259584=[abc, ['ConjunctionIntroduction', abc, abc]]
   Exit: (219) [system] [abc, ['ConjunctionIntroduction', abc, abc]]=[abc, ['ConjunctionIntroduction', abc, abc]]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', abc, abc]])
   Call: (218) [system] _926286=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]]
   Exit: (218) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _1935138)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1936996)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _1943806)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1946510)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _1955902)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _1959616)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1961474)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _1969942)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1959616)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1975512)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=(;)
^  Call: (220) [user] is_like_space('O')
   Call: (221) [system] char_type('O', 'white')
   Call: (221) [system] char_type('O', end_of_line)
   Call: (221) [system] char_type('O', space)
   Call: (221) [system] char_type('O', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1983980)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (219) [system] 'O'=')'
   Call: (219) [system] 'O'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1987694)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1989552)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1998020)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'='('
   Call: (220) [system] 'O'='['
   Call: (220) [system] 'O'='{'
   Call: (220) [system] 'O'='"'
   Call: (220) [system] 'O'=!
   Call: (220) [system] 'O'='\''
   Call: (220) [system] 'O'='`'
   Call: (220) [system] 'O'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1987694)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2008238)
   Call: (222) [system] peek_char((0x56051b6b4f40), _2009172)
   Exit: (222) [system] peek_char((0x56051b6b4f40), r)
^  Call: (222) [user] is_delimiter(r)
   Call: (223) [system] char_type(r, space)
   Call: (223) [system] arg(_2012964, v('(', ')', end_of_file), r)
   Call: (222) [system] ')'==r
   Call: (222) [system] get_char((0x56051b6b4f40), r)
   Exit: (222) [system] get_char((0x56051b6b4f40), r)
   Call: (222) [system] r=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2017534)
   Call: (223) [system] peek_char((0x56051b6b4f40), _2018468)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (223) [user] is_delimiter('L')
   Call: (224) [system] char_type('L', space)
   Call: (224) [system] arg(_2022260, v('(', ')', end_of_file), 'L')
   Call: (223) [system] ')'=='L'
   Call: (223) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (223) [system] get_char((0x56051b6b4f40), 'L')
   Call: (223) [system] 'L'=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2026830)
   Call: (224) [system] peek_char((0x56051b6b4f40), _2027764)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_2031556, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2036126)
   Call: (225) [system] peek_char((0x56051b6b4f40), _2037060)
   Exit: (225) [system] peek_char((0x56051b6b4f40), n)
^  Call: (225) [user] is_delimiter(n)
   Call: (226) [system] char_type(n, space)
   Call: (226) [system] arg(_2040852, v('(', ')', end_of_file), n)
   Call: (225) [system] ')'==n
   Call: (225) [system] get_char((0x56051b6b4f40), n)
   Exit: (225) [system] get_char((0x56051b6b4f40), n)
   Call: (225) [system] n=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2045422)
   Call: (226) [system] peek_char((0x56051b6b4f40), _2046356)
   Exit: (226) [system] peek_char((0x56051b6b4f40), k)
^  Call: (226) [user] is_delimiter(k)
   Call: (227) [system] char_type(k, space)
   Call: (227) [system] arg(_2050148, v('(', ')', end_of_file), k)
   Call: (226) [system] ')'==k
   Call: (226) [system] get_char((0x56051b6b4f40), k)
   Exit: (226) [system] get_char((0x56051b6b4f40), k)
   Call: (226) [system] k=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2054718)
   Call: (227) [system] peek_char((0x56051b6b4f40), _2055652)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _2054718=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _2045422=[k]
   Exit: (226) [system] [k]=[k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (225) [system] _2036126=[n, k]
   Exit: (225) [system] [n, k]=[n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (224) [system] _2026830=[i, n, k]
   Exit: (224) [system] [i, n, k]=[i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (223) [system] _2017534=['L', i, n, k]
   Exit: (223) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (222) [system] _2008238=[r, 'L', i, n, k]
   Exit: (222) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1987694)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_2078932, _2078934), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1987694), _2078908, fail)), '$restore_trace'(_2078932, _2078934))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_2078932, _2078934))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1987694), _2078908, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_1987694)
   Call: (222) [system] atom_chars(_1987694, ['O', r, 'L', i, n, k])
   Exit: (222) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (221) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _2087384)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _2089242)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _2096052)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _8642)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _18034)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _21748)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _23606)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _32074)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _21748)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _37644)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=(;)
^  Call: (223) [user] is_like_space('I')
   Call: (224) [system] char_type('I', 'white')
   Call: (224) [system] char_type('I', end_of_line)
   Call: (224) [system] char_type('I', space)
   Call: (224) [system] char_type('I', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _46112)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (222) [system] 'I'=')'
   Call: (222) [system] 'I'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _49826)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _51684)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=(;)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _60152)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'='('
   Call: (223) [system] 'I'='['
   Call: (223) [system] 'I'='{'
   Call: (223) [system] 'I'='"'
   Call: (223) [system] 'I'=!
   Call: (223) [system] 'I'='\''
   Call: (223) [system] 'I'='`'
   Call: (223) [system] 'I'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _49826)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _70370)
   Call: (225) [system] peek_char((0x56051b6b4f40), _71304)
   Exit: (225) [system] peek_char((0x56051b6b4f40), m)
^  Call: (225) [user] is_delimiter(m)
   Call: (226) [system] char_type(m, space)
   Call: (226) [system] arg(_75096, v('(', ')', end_of_file), m)
   Call: (225) [system] ')'==m
   Call: (225) [system] get_char((0x56051b6b4f40), m)
   Exit: (225) [system] get_char((0x56051b6b4f40), m)
   Call: (225) [system] m=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _79666)
   Call: (226) [system] peek_char((0x56051b6b4f40), _80600)
   Exit: (226) [system] peek_char((0x56051b6b4f40), p)
^  Call: (226) [user] is_delimiter(p)
   Call: (227) [system] char_type(p, space)
   Call: (227) [system] arg(_84392, v('(', ')', end_of_file), p)
   Call: (226) [system] ')'==p
   Call: (226) [system] get_char((0x56051b6b4f40), p)
   Exit: (226) [system] get_char((0x56051b6b4f40), p)
   Call: (226) [system] p=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _88962)
   Call: (227) [system] peek_char((0x56051b6b4f40), _89896)
   Exit: (227) [system] peek_char((0x56051b6b4f40), l)
^  Call: (227) [user] is_delimiter(l)
   Call: (228) [system] char_type(l, space)
   Call: (228) [system] arg(_93688, v('(', ')', end_of_file), l)
   Call: (227) [system] ')'==l
   Call: (227) [system] get_char((0x56051b6b4f40), l)
   Exit: (227) [system] get_char((0x56051b6b4f40), l)
   Call: (227) [system] l=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _98258)
   Call: (228) [system] peek_char((0x56051b6b4f40), _99192)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_102984, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _107554)
   Call: (229) [system] peek_char((0x56051b6b4f40), _108488)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_112280, v('(', ')', end_of_file), c)
   Call: (229) [system] ')'==c
   Call: (229) [system] get_char((0x56051b6b4f40), c)
   Exit: (229) [system] get_char((0x56051b6b4f40), c)
   Call: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _116850)
   Call: (230) [system] peek_char((0x56051b6b4f40), _117784)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
^  Call: (230) [user] is_delimiter(a)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] arg(_121576, v('(', ')', end_of_file), a)
   Call: (230) [system] ')'==a
   Call: (230) [system] get_char((0x56051b6b4f40), a)
   Exit: (230) [system] get_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _126146)
   Call: (231) [system] peek_char((0x56051b6b4f40), _127080)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_130872, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _135442)
   Call: (232) [system] peek_char((0x56051b6b4f40), _136376)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_140168, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _144738)
   Call: (233) [system] peek_char((0x56051b6b4f40), _145672)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_149464, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _154034)
   Call: (234) [system] peek_char((0x56051b6b4f40), _154968)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_158760, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _163330)
   Call: (235) [system] peek_char((0x56051b6b4f40), _164264)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _163330=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _154034=[n]
   Exit: (234) [system] [n]=[n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (233) [system] _144738=[o, n]
   Exit: (233) [system] [o, n]=[o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (232) [system] _135442=[i, o, n]
   Exit: (232) [system] [i, o, n]=[i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (231) [system] _126146=[t, i, o, n]
   Exit: (231) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (230) [system] _116850=[a, t, i, o, n]
   Exit: (230) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (229) [system] _107554=[c, a, t, i, o, n]
   Exit: (229) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (228) [system] _98258=[i, c, a, t, i, o, n]
   Exit: (228) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (227) [system] _88962=[l, i, c, a, t, i, o, n]
   Exit: (227) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (226) [system] _79666=[p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (225) [system] _70370=[m, p, l, i, c, a, t, i, o, n]
   Exit: (225) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _49826)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_201514, _201516), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _49826), _201490, fail)), '$restore_trace'(_201514, _201516))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_201514, _201516))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _49826), _201490, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_49826)
   Call: (225) [system] atom_chars(_49826, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (225) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _209966)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _211824)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _218634)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _221338)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _230730)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _234444)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _236302)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _244770)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _234444)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _250340)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _258808)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _262522)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _264380)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _272848)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _262522)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _283066)
   Call: (228) [system] peek_char((0x56051b6b4f40), _284000)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_287792, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _292362)
   Call: (229) [system] peek_char((0x56051b6b4f40), _293296)
   Exit: (229) [system] peek_char((0x56051b6b4f40), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_297088, v('(', ')', end_of_file), d)
   Call: (229) [system] ')'==d
   Call: (229) [system] get_char((0x56051b6b4f40), d)
   Exit: (229) [system] get_char((0x56051b6b4f40), d)
   Call: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _301658)
   Call: (230) [system] peek_char((0x56051b6b4f40), _302592)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_306384, v('(', ')', end_of_file), 'L')
   Call: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (230) [system] get_char((0x56051b6b4f40), 'L')
   Call: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _310954)
   Call: (231) [system] peek_char((0x56051b6b4f40), _311888)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_315680, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _320250)
   Call: (232) [system] peek_char((0x56051b6b4f40), _321184)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_324976, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _329546)
   Call: (233) [system] peek_char((0x56051b6b4f40), _330480)
   Exit: (233) [system] peek_char((0x56051b6b4f40), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_334272, v('(', ')', end_of_file), k)
   Call: (233) [system] ')'==k
   Call: (233) [system] get_char((0x56051b6b4f40), k)
   Exit: (233) [system] get_char((0x56051b6b4f40), k)
   Call: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _338842)
   Call: (234) [system] peek_char((0x56051b6b4f40), _339776)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _338842=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _329546=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (232) [system] _320250=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (231) [system] _310954=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (230) [system] _301658=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (229) [system] _292362=[d, 'L', i, n, k]
   Exit: (229) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (228) [system] _283066=[n, d, 'L', i, n, k]
   Exit: (228) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _262522)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_365850, _365852), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _262522), _365826, fail)), '$restore_trace'(_365850, _365852))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_365850, _365852))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _262522), _365826, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_262522)
   Call: (228) [system] atom_chars(_262522, ['A', n, d, 'L', i, n, k])
   Exit: (228) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _374302)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _376160)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _382970)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _385674)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _395066)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _398780)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _400638)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _409106)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _398780)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _419324)
   Call: (229) [system] peek_char((0x56051b6b4f40), _420258)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _419324=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('A', [], _398780)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_429568, _429570), once(user:catch(read_from_chars(['A'], _398780), _429544, fail)), '$restore_trace'(_429568, _429570))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_429568, _429570))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _398780), _429544, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_398780)
   Call: (229) [system] atom_chars(_398780, ['A'])
   Exit: (229) [system] atom_chars('A', ['A'])
^  Exit: (228) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _438020)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _439878)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _446688)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _449392)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'=(;)
^  Call: (229) [user] is_like_space('B')
   Call: (230) [system] char_type('B', 'white')
   Call: (230) [system] char_type('B', end_of_line)
   Call: (230) [system] char_type('B', space)
   Call: (230) [system] char_type('B', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _458784)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (227) [system] 'B'=')'
   Call: (227) [system] 'B'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _462498)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _464356)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'=(;)
^  Call: (229) [user] is_like_space('B')
   Call: (230) [system] char_type('B', 'white')
   Call: (230) [system] char_type('B', end_of_line)
   Call: (230) [system] char_type('B', space)
   Call: (230) [system] char_type('B', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _472824)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'='('
   Call: (228) [system] 'B'='['
   Call: (228) [system] 'B'='{'
   Call: (228) [system] 'B'='"'
   Call: (228) [system] 'B'=!
   Call: (228) [system] 'B'='\''
   Call: (228) [system] 'B'='`'
   Call: (228) [system] 'B'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _462498)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _483042)
   Call: (230) [system] peek_char((0x56051b6b4f40), _483976)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_487768, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _483042=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('B', [], _462498)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_494230, _494232), once(user:catch(read_from_chars(['B'], _462498), _494206, fail)), '$restore_trace'(_494230, _494232))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_494230, _494232))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _462498), _494206, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_462498)
   Call: (230) [system] atom_chars(_462498, ['B'])
   Exit: (230) [system] atom_chars('B', ['B'])
^  Exit: (229) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _502682)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _504540)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _513008)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _516798)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _502682=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _438020=['B']
   Exit: (227) [system] ['B']=['B']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (226) [system] _374302=['A', 'B']
   Exit: (226) [system] ['A', 'B']=['A', 'B']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (225) [system] _234444=['AndLink', 'A', 'B']
   Exit: (225) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _530680)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _532538)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _539348)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _542052)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _551444)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _555158)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _557016)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _565484)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _555158)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _575702)
   Call: (227) [system] peek_char((0x56051b6b4f40), _576636)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (227) [user] is_delimiter(')')
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] arg(_580428, v('(', ')', end_of_file), ')')
   Exit: (228) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (227) [user] is_delimiter(')')
   Call: (227) [system] _575702=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq('C', [], _555158)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_586890, _586892), once(user:catch(read_from_chars(['C'], _555158), _586866, fail)), '$restore_trace'(_586890, _586892))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_586890, _586892))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _555158), _586866, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_555158)
   Call: (227) [system] atom_chars(_555158, ['C'])
   Exit: (227) [system] atom_chars('C', ['C'])
^  Exit: (226) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _595342)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _597200)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _605668)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _609458)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _595342=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _530680=['C']
   Exit: (224) [system] ['C']=['C']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (223) [system] _209966=[['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (222) [system] _21748=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (222) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _623340)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _625198)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _632008)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _634712)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _644104)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _647818)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _649676)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _658144)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _647818)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _663714)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=(;)
^  Call: (224) [user] is_like_space('A')
   Call: (225) [system] char_type('A', 'white')
   Call: (225) [system] char_type('A', end_of_line)
   Call: (225) [system] char_type('A', space)
   Call: (225) [system] char_type('A', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _672182)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (223) [system] 'A'=')'
   Call: (223) [system] 'A'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _675896)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _677754)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _686222)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'='('
   Call: (224) [system] 'A'='['
   Call: (224) [system] 'A'='{'
   Call: (224) [system] 'A'='"'
   Call: (224) [system] 'A'=!
   Call: (224) [system] 'A'='\''
   Call: (224) [system] 'A'='`'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _675896)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _696440)
   Call: (226) [system] peek_char((0x56051b6b4f40), _697374)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_701166, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _705736)
   Call: (227) [system] peek_char((0x56051b6b4f40), _706670)
   Exit: (227) [system] peek_char((0x56051b6b4f40), d)
^  Call: (227) [user] is_delimiter(d)
   Call: (228) [system] char_type(d, space)
   Call: (228) [system] arg(_710462, v('(', ')', end_of_file), d)
   Call: (227) [system] ')'==d
   Call: (227) [system] get_char((0x56051b6b4f40), d)
   Exit: (227) [system] get_char((0x56051b6b4f40), d)
   Call: (227) [system] d=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _715032)
   Call: (228) [system] peek_char((0x56051b6b4f40), _715966)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_719758, v('(', ')', end_of_file), 'L')
   Call: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (228) [system] get_char((0x56051b6b4f40), 'L')
   Call: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _724328)
   Call: (229) [system] peek_char((0x56051b6b4f40), _725262)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_729054, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _733624)
   Call: (230) [system] peek_char((0x56051b6b4f40), _734558)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_738350, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _742920)
   Call: (231) [system] peek_char((0x56051b6b4f40), _743854)
   Exit: (231) [system] peek_char((0x56051b6b4f40), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_747646, v('(', ')', end_of_file), k)
   Call: (231) [system] ')'==k
   Call: (231) [system] get_char((0x56051b6b4f40), k)
   Exit: (231) [system] get_char((0x56051b6b4f40), k)
   Call: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _752216)
   Call: (232) [system] peek_char((0x56051b6b4f40), _753150)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _752216=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _742920=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (230) [system] _733624=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (229) [system] _724328=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (228) [system] _715032=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (227) [system] _705736=[d, 'L', i, n, k]
   Exit: (227) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (226) [system] _696440=[n, d, 'L', i, n, k]
   Exit: (226) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _675896)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_779224, _779226), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _675896), _779200, fail)), '$restore_trace'(_779224, _779226))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_779224, _779226))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _675896), _779200, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_675896)
   Call: (226) [system] atom_chars(_675896, ['A', n, d, 'L', i, n, k])
   Exit: (226) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _787676)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _789534)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _796344)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _799048)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _808440)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _812154)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _814012)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _822480)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _812154)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _828050)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=(;)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _836518)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=')'
   Call: (226) [system] 'I'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _840232)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _842090)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=(;)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _850558)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'='('
   Call: (227) [system] 'I'='['
   Call: (227) [system] 'I'='{'
   Call: (227) [system] 'I'='"'
   Call: (227) [system] 'I'=!
   Call: (227) [system] 'I'='\''
   Call: (227) [system] 'I'='`'
   Call: (227) [system] 'I'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _840232)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _860776)
   Call: (229) [system] peek_char((0x56051b6b4f40), _861710)
   Exit: (229) [system] peek_char((0x56051b6b4f40), m)
^  Call: (229) [user] is_delimiter(m)
   Call: (230) [system] char_type(m, space)
   Call: (230) [system] arg(_865502, v('(', ')', end_of_file), m)
   Call: (229) [system] ')'==m
   Call: (229) [system] get_char((0x56051b6b4f40), m)
   Exit: (229) [system] get_char((0x56051b6b4f40), m)
   Call: (229) [system] m=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _870072)
   Call: (230) [system] peek_char((0x56051b6b4f40), _871006)
   Exit: (230) [system] peek_char((0x56051b6b4f40), p)
^  Call: (230) [user] is_delimiter(p)
   Call: (231) [system] char_type(p, space)
   Call: (231) [system] arg(_874798, v('(', ')', end_of_file), p)
   Call: (230) [system] ')'==p
   Call: (230) [system] get_char((0x56051b6b4f40), p)
   Exit: (230) [system] get_char((0x56051b6b4f40), p)
   Call: (230) [system] p=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _879368)
   Call: (231) [system] peek_char((0x56051b6b4f40), _880302)
   Exit: (231) [system] peek_char((0x56051b6b4f40), l)
^  Call: (231) [user] is_delimiter(l)
   Call: (232) [system] char_type(l, space)
   Call: (232) [system] arg(_884094, v('(', ')', end_of_file), l)
   Call: (231) [system] ')'==l
   Call: (231) [system] get_char((0x56051b6b4f40), l)
   Exit: (231) [system] get_char((0x56051b6b4f40), l)
   Call: (231) [system] l=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _888664)
   Call: (232) [system] peek_char((0x56051b6b4f40), _889598)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_893390, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _897960)
   Call: (233) [system] peek_char((0x56051b6b4f40), _898894)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_902686, v('(', ')', end_of_file), c)
   Call: (233) [system] ')'==c
   Call: (233) [system] get_char((0x56051b6b4f40), c)
   Exit: (233) [system] get_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _907256)
   Call: (234) [system] peek_char((0x56051b6b4f40), _908190)
   Exit: (234) [system] peek_char((0x56051b6b4f40), a)
^  Call: (234) [user] is_delimiter(a)
   Call: (235) [system] char_type(a, space)
   Call: (235) [system] arg(_911982, v('(', ')', end_of_file), a)
   Call: (234) [system] ')'==a
   Call: (234) [system] get_char((0x56051b6b4f40), a)
   Exit: (234) [system] get_char((0x56051b6b4f40), a)
   Call: (234) [system] a=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _916552)
   Call: (235) [system] peek_char((0x56051b6b4f40), _917486)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_921278, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _925848)
   Call: (236) [system] peek_char((0x56051b6b4f40), _926782)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_930574, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _935144)
   Call: (237) [system] peek_char((0x56051b6b4f40), _936078)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_939870, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _944440)
   Call: (238) [system] peek_char((0x56051b6b4f40), _945374)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_949166, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _953736)
   Call: (239) [system] peek_char((0x56051b6b4f40), _954670)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _953736=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _944440=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (237) [system] _935144=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (236) [system] _925848=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (235) [system] _916552=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (234) [system] _907256=[a, t, i, o, n]
   Exit: (234) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (233) [system] _897960=[c, a, t, i, o, n]
   Exit: (233) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (232) [system] _888664=[i, c, a, t, i, o, n]
   Exit: (232) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (231) [system] _879368=[l, i, c, a, t, i, o, n]
   Exit: (231) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (230) [system] _870072=[p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (229) [system] _860776=[m, p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _840232)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_991920, _991922), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _840232), _991896, fail)), '$restore_trace'(_991920, _991922))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_991920, _991922))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _840232), _991896, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_840232)
   Call: (229) [system] atom_chars(_840232, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (229) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1000372)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1002230)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1009040)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1011744)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1021136)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1024850)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1026708)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1035176)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1024850)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1040746)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=(;)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1049214)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=')'
   Call: (229) [system] 'A'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1052928)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1054786)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1063254)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'='('
   Call: (230) [system] 'A'='['
   Call: (230) [system] 'A'='{'
   Call: (230) [system] 'A'='"'
   Call: (230) [system] 'A'=!
   Call: (230) [system] 'A'='\''
   Call: (230) [system] 'A'='`'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1052928)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1073472)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1074406)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1078198, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1082768)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1083702)
   Exit: (233) [system] peek_char((0x56051b6b4f40), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_1087494, v('(', ')', end_of_file), d)
   Call: (233) [system] ')'==d
   Call: (233) [system] get_char((0x56051b6b4f40), d)
   Exit: (233) [system] get_char((0x56051b6b4f40), d)
   Call: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1092064)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1092998)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_1096790, v('(', ')', end_of_file), 'L')
   Call: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (234) [system] get_char((0x56051b6b4f40), 'L')
   Call: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1101360)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1102294)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1106086, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1110656)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1111590)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1115382, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1119952)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1120886)
   Exit: (237) [system] peek_char((0x56051b6b4f40), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_1124678, v('(', ')', end_of_file), k)
   Call: (237) [system] ')'==k
   Call: (237) [system] get_char((0x56051b6b4f40), k)
   Exit: (237) [system] get_char((0x56051b6b4f40), k)
   Call: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1129248)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1130182)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1129248=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _1119952=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (236) [system] _1110656=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (235) [system] _1101360=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (234) [system] _1092064=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (233) [system] _1082768=[d, 'L', i, n, k]
   Exit: (233) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (232) [system] _1073472=[n, d, 'L', i, n, k]
   Exit: (232) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1052928)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1156256, _1156258), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1052928), _1156232, fail)), '$restore_trace'(_1156256, _1156258))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1156256, _1156258))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1052928), _1156232, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1052928)
   Call: (232) [system] atom_chars(_1052928, ['A', n, d, 'L', i, n, k])
   Exit: (232) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1164708)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1166566)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1173376)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1176080)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1185472)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1189186)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1191044)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1199512)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1189186)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1209730)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1210664)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1209730=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('A', [], _1189186)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1219974, _1219976), once(user:catch(read_from_chars(['A'], _1189186), _1219950, fail)), '$restore_trace'(_1219974, _1219976))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1219974, _1219976))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1189186), _1219950, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1189186)
   Call: (233) [system] atom_chars(_1189186, ['A'])
   Exit: (233) [system] atom_chars('A', ['A'])
^  Exit: (232) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1228426)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1230284)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1237094)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1239798)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'=(;)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1249190)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'=')'
   Call: (231) [system] 'B'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1252904)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1254762)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'=(;)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1263230)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'='('
   Call: (232) [system] 'B'='['
   Call: (232) [system] 'B'='{'
   Call: (232) [system] 'B'='"'
   Call: (232) [system] 'B'=!
   Call: (232) [system] 'B'='\''
   Call: (232) [system] 'B'='`'
   Call: (232) [system] 'B'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1252904)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1273448)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1274382)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1278174, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1273448=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('B', [], _1252904)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1284636, _1284638), once(user:catch(read_from_chars(['B'], _1252904), _1284612, fail)), '$restore_trace'(_1284636, _1284638))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1284636, _1284638))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1252904), _1284612, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1252904)
   Call: (234) [system] atom_chars(_1252904, ['B'])
   Exit: (234) [system] atom_chars('B', ['B'])
^  Exit: (233) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1293088)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1294946)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1303414)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _1307204)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _1293088=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _1228426=['B']
   Exit: (231) [system] ['B']=['B']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (230) [system] _1164708=['A', 'B']
   Exit: (230) [system] ['A', 'B']=['A', 'B']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (229) [system] _1024850=['AndLink', 'A', 'B']
   Exit: (229) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1321086)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1322944)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1329754)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1332458)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1341850)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1345564)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1347422)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1355890)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1345564)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1366108)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1367042)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1370834, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1366108=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('C', [], _1345564)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1377296, _1377298), once(user:catch(read_from_chars(['C'], _1345564), _1377272, fail)), '$restore_trace'(_1377296, _1377298))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1377296, _1377298))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1345564), _1377272, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1345564)
   Call: (231) [system] atom_chars(_1345564, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1385748)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1387606)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1396074)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _1399864)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _1385748=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1321086=['C']
   Exit: (228) [system] ['C']=['C']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (227) [system] _1000372=[['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (226) [system] _812154=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (226) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1413746)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1415604)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1422414)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1425118)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1434510)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1438224)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1440082)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1448550)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1438224)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1454120)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=(;)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1462588)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1466302)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1468160)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=(;)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1476628)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1466302)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1486846)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1487780)
   Exit: (230) [system] peek_char((0x56051b6b4f40), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_1491572, v('(', ')', end_of_file), m)
   Call: (230) [system] ')'==m
   Call: (230) [system] get_char((0x56051b6b4f40), m)
   Exit: (230) [system] get_char((0x56051b6b4f40), m)
   Call: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1496142)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1497076)
   Exit: (231) [system] peek_char((0x56051b6b4f40), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_1500868, v('(', ')', end_of_file), p)
   Call: (231) [system] ')'==p
   Call: (231) [system] get_char((0x56051b6b4f40), p)
   Exit: (231) [system] get_char((0x56051b6b4f40), p)
   Call: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1505438)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1506372)
   Exit: (232) [system] peek_char((0x56051b6b4f40), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_1510164, v('(', ')', end_of_file), l)
   Call: (232) [system] ')'==l
   Call: (232) [system] get_char((0x56051b6b4f40), l)
   Exit: (232) [system] get_char((0x56051b6b4f40), l)
   Call: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1514734)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1515668)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1519460, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1524030)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1524964)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1528756, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1533326)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1534260)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_1538052, v('(', ')', end_of_file), a)
   Call: (235) [system] ')'==a
   Call: (235) [system] get_char((0x56051b6b4f40), a)
   Exit: (235) [system] get_char((0x56051b6b4f40), a)
   Call: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1542622)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1543556)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1547348, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1551918)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1552852)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1556644, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1561214)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1562148)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1565940, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1570510)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1571444)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1575236, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1579806)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1580740)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1579806=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _1570510=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (238) [system] _1561214=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (237) [system] _1551918=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (236) [system] _1542622=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (235) [system] _1533326=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (234) [system] _1524030=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (233) [system] _1514734=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (232) [system] _1505438=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _1496142=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _1486846=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1466302)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1617990, _1617992), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1466302), _1617966, fail)), '$restore_trace'(_1617990, _1617992))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1617990, _1617992))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1466302), _1617966, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1466302)
   Call: (230) [system] atom_chars(_1466302, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (230) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1626442)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1628300)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1635110)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1637814)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1647206)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1650920)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1652778)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1661246)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1650920)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1666816)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1675284)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1678998)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1680856)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1689324)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1678998)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1699542)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1700476)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1704268, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1708838)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1709772)
   Exit: (234) [system] peek_char((0x56051b6b4f40), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_1713564, v('(', ')', end_of_file), d)
   Call: (234) [system] ')'==d
   Call: (234) [system] get_char((0x56051b6b4f40), d)
   Exit: (234) [system] get_char((0x56051b6b4f40), d)
   Call: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1718134)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1719068)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_1722860, v('(', ')', end_of_file), 'L')
   Call: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (235) [system] get_char((0x56051b6b4f40), 'L')
   Call: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1727430)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1728364)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1732156, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1736726)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1737660)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1741452, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1746022)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1746956)
   Exit: (238) [system] peek_char((0x56051b6b4f40), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_1750748, v('(', ')', end_of_file), k)
   Call: (238) [system] ')'==k
   Call: (238) [system] get_char((0x56051b6b4f40), k)
   Exit: (238) [system] get_char((0x56051b6b4f40), k)
   Call: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1755318)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1756252)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1755318=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _1746022=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (237) [system] _1736726=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (236) [system] _1727430=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (235) [system] _1718134=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (234) [system] _1708838=[d, 'L', i, n, k]
   Exit: (234) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (233) [system] _1699542=[n, d, 'L', i, n, k]
   Exit: (233) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1678998)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1782326, _1782328), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1678998), _1782302, fail)), '$restore_trace'(_1782326, _1782328))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1782326, _1782328))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1678998), _1782302, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1678998)
   Call: (233) [system] atom_chars(_1678998, ['A', n, d, 'L', i, n, k])
   Exit: (233) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1790778)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1792636)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1799446)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1802150)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1811542)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1815256)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1817114)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1825582)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1815256)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1835800)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1836734)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1835800=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('A', [], _1815256)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1846044, _1846046), once(user:catch(read_from_chars(['A'], _1815256), _1846020, fail)), '$restore_trace'(_1846044, _1846046))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1846044, _1846046))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1815256), _1846020, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1815256)
   Call: (234) [system] atom_chars(_1815256, ['A'])
   Exit: (234) [system] atom_chars('A', ['A'])
^  Exit: (233) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1854496)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1856354)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1863164)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1865868)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1875260)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1878974)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1880832)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1889300)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1878974)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1899518)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1900452)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_1904244, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _1899518=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq('B', [], _1878974)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1910706, _1910708), once(user:catch(read_from_chars(['B'], _1878974), _1910682, fail)), '$restore_trace'(_1910706, _1910708))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1910706, _1910708))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1878974), _1910682, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1878974)
   Call: (235) [system] atom_chars(_1878974, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1919158)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1921016)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1929484)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _1933274)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _1919158=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _1854496=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (231) [system] _1790778=['A', 'B']
   Exit: (231) [system] ['A', 'B']=['A', 'B']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (230) [system] _1650920=['AndLink', 'A', 'B']
   Exit: (230) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1947156)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1949014)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1955824)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1958528)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1967920)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1971634)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1973492)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1981960)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1971634)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1992178)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1993112)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_1996904, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _1992178=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('C', [], _1971634)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_2003366, _2003368), once(user:catch(read_from_chars(['C'], _1971634), _2003342, fail)), '$restore_trace'(_2003366, _2003368))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_2003366, _2003368))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1971634), _2003342, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1971634)
   Call: (232) [system] atom_chars(_1971634, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _2011818)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _2013676)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _2022144)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _2025934)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _2011818=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1947156=['C']
   Exit: (229) [system] ['C']=['C']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (228) [system] _1626442=[['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (227) [system] _1438224=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _2039816)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _2041674)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _2050142)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _2053932)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _2039816=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1413746=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (225) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (224) [system] _787676=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (224) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (223) [system] _647818=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (223) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _2067814)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _2069672)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _2078140)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _2081930)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _2067814=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _623340=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (221) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (220) [system] _6838=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (220) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (219) [system] _6830=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (219) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _2095812)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _7774)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=(;)
^  Call: (219) [user] is_like_space(')')
   Call: (220) [system] char_type(')', 'white')
   Call: (220) [system] char_type(')', end_of_line)
   Call: (220) [system] char_type(')', space)
   Call: (220) [system] char_type(')', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _16242)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ')')
   Call: (218) [system] ')'=')'
   Exit: (218) [system] ')'=')'
   Call: (218) [system] get_char((0x56051b6b4f40), _20032)
   Exit: (218) [system] get_char((0x56051b6b4f40), ')')
   Call: (218) [system] _6976=[]
   Exit: (218) [system] []=[]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (217) [system] _6826=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (217) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (216) [system] _6784=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (216) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (215) [system] _6776=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (215) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (214) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (213) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (213) [user] read_list(')', (0x56051b6b4f40), _33914)
^  Call: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _35772)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (215) [system] '\n'=(;)
^  Call: (215) [user] is_like_space('\n')
   Call: (216) [system] char_type('\n', 'white')
   Call: (216) [system] char_type('\n', end_of_line)
   Exit: (216) [system] char_type('\n', end_of_line)
^  Exit: (215) [user] is_like_space('\n')
   Call: (215) [system] get_char((0x56051b6b4f40), _43388)
   Exit: (215) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _46092)
   Exit: (216) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (216) [system] ' '=(;)
^  Call: (216) [user] is_like_space(' ')
   Call: (217) [system] char_type(' ', 'white')
   Exit: (217) [system] char_type(' ', 'white')
^  Exit: (216) [user] is_like_space(' ')
   Call: (216) [system] get_char((0x56051b6b4f40), _52902)
   Exit: (216) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _55606)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (214) [user] skip_spaces((0x56051b6b4f40))
   Call: (214) [system] peek_char((0x56051b6b4f40), _65922)
   Exit: (214) [system] peek_char((0x56051b6b4f40), '(')
   Call: (214) [system] '('=')'
   Call: (214) [system] '('=end_of_file
^  Call: (214) [user] cont_sexpr(')', (0x56051b6b4f40), _69636)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _71494)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=(;)
^  Call: (216) [user] is_like_space('(')
   Call: (217) [system] char_type('(', 'white')
   Call: (217) [system] char_type('(', end_of_line)
   Call: (217) [system] char_type('(', space)
   Call: (217) [system] char_type('(', cntrl)
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] get_char((0x56051b6b4f40), _79962)
   Exit: (215) [system] get_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('='('
   Exit: (215) [system] '('='('
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _69636)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _85532)
   Exit: (217) [system] peek_char((0x56051b6b4f40), :)
   Call: (217) [system] (:)=(;)
^  Call: (217) [user] is_like_space(:)
   Call: (218) [system] char_type(:, 'white')
   Call: (218) [system] char_type(:, end_of_line)
   Call: (218) [system] char_type(:, space)
   Call: (218) [system] char_type(:, cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _94000)
   Exit: (216) [system] peek_char((0x56051b6b4f40), :)
   Call: (216) [system] (:)=')'
   Call: (216) [system] (:)=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _97714)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _99572)
   Exit: (218) [system] peek_char((0x56051b6b4f40), :)
   Call: (218) [system] (:)=(;)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _108040)
   Exit: (217) [system] get_char((0x56051b6b4f40), :)
   Call: (217) [system] (:)='('
   Call: (217) [system] (:)='['
   Call: (217) [system] (:)='{'
   Call: (217) [system] (:)='"'
   Call: (217) [system] (:)=!
   Call: (217) [system] (:)='\''
   Call: (217) [system] (:)='`'
   Call: (217) [system] (:)=end_of_file
^  Call: (217) [user] read_symbolic(')', (0x56051b6b4f40), :, _97714)
^  Call: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), _118258)
   Call: (219) [system] peek_char((0x56051b6b4f40), _119192)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] is_delimiter(' ')
   Call: (220) [system] char_type(' ', space)
   Exit: (220) [system] char_type(' ', space)
^  Exit: (219) [user] is_delimiter(' ')
   Call: (219) [system] _118258=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (218) [user] classify_and_convert_charseq(:, [], _97714)
^  Call: (220) [system] setup_call_cleanup('$notrace'(_128502, _128504), once(user:catch(read_from_chars([:], _97714), _128478, fail)), '$restore_trace'(_128502, _128504))
^  Call: (221) [system] sig_atomic(system:'$notrace'(_128502, _128504))
^  Exit: (220) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _128478, fail)), system:'$restore_trace'(3, -1))
   Call: (219) [system] atomic(:)
   Exit: (219) [system] atomic(:)
^  Exit: (218) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (217) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _136002)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _137860)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _144670)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _147374)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _156766)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _160480)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _162338)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _170806)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _160480)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _176376)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=(;)
^  Call: (220) [user] is_like_space('D')
   Call: (221) [system] char_type('D', 'white')
   Call: (221) [system] char_type('D', end_of_line)
   Call: (221) [system] char_type('D', space)
   Call: (221) [system] char_type('D', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _184844)
   Exit: (219) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (219) [system] 'D'=')'
   Call: (219) [system] 'D'=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _188558)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _190416)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'=(;)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _198884)
   Exit: (220) [system] get_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'='('
   Call: (220) [system] 'D'='['
   Call: (220) [system] 'D'='{'
   Call: (220) [system] 'D'='"'
   Call: (220) [system] 'D'=!
   Call: (220) [system] 'D'='\''
   Call: (220) [system] 'D'='`'
   Call: (220) [system] 'D'=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _188558)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _209102)
   Call: (222) [system] peek_char((0x56051b6b4f40), _210036)
   Exit: (222) [system] peek_char((0x56051b6b4f40), i)
^  Call: (222) [user] is_delimiter(i)
   Call: (223) [system] char_type(i, space)
   Call: (223) [system] arg(_213828, v('(', ')', end_of_file), i)
   Call: (222) [system] ')'==i
   Call: (222) [system] get_char((0x56051b6b4f40), i)
   Exit: (222) [system] get_char((0x56051b6b4f40), i)
   Call: (222) [system] i=(\)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _218398)
   Call: (223) [system] peek_char((0x56051b6b4f40), _219332)
   Exit: (223) [system] peek_char((0x56051b6b4f40), s)
^  Call: (223) [user] is_delimiter(s)
   Call: (224) [system] char_type(s, space)
   Call: (224) [system] arg(_223124, v('(', ')', end_of_file), s)
   Call: (223) [system] ')'==s
   Call: (223) [system] get_char((0x56051b6b4f40), s)
   Exit: (223) [system] get_char((0x56051b6b4f40), s)
   Call: (223) [system] s=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _227694)
   Call: (224) [system] peek_char((0x56051b6b4f40), _228628)
   Exit: (224) [system] peek_char((0x56051b6b4f40), j)
^  Call: (224) [user] is_delimiter(j)
   Call: (225) [system] char_type(j, space)
   Call: (225) [system] arg(_232420, v('(', ')', end_of_file), j)
   Call: (224) [system] ')'==j
   Call: (224) [system] get_char((0x56051b6b4f40), j)
   Exit: (224) [system] get_char((0x56051b6b4f40), j)
   Call: (224) [system] j=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _236990)
   Call: (225) [system] peek_char((0x56051b6b4f40), _237924)
   Exit: (225) [system] peek_char((0x56051b6b4f40), u)
^  Call: (225) [user] is_delimiter(u)
   Call: (226) [system] char_type(u, space)
   Call: (226) [system] arg(_241716, v('(', ')', end_of_file), u)
   Call: (225) [system] ')'==u
   Call: (225) [system] get_char((0x56051b6b4f40), u)
   Exit: (225) [system] get_char((0x56051b6b4f40), u)
   Call: (225) [system] u=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _246286)
   Call: (226) [system] peek_char((0x56051b6b4f40), _247220)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_251012, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _255582)
   Call: (227) [system] peek_char((0x56051b6b4f40), _256516)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_260308, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _264878)
   Call: (228) [system] peek_char((0x56051b6b4f40), _265812)
   Exit: (228) [system] peek_char((0x56051b6b4f40), t)
^  Call: (228) [user] is_delimiter(t)
   Call: (229) [system] char_type(t, space)
   Call: (229) [system] arg(_269604, v('(', ')', end_of_file), t)
   Call: (228) [system] ')'==t
   Call: (228) [system] get_char((0x56051b6b4f40), t)
   Exit: (228) [system] get_char((0x56051b6b4f40), t)
   Call: (228) [system] t=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _274174)
   Call: (229) [system] peek_char((0x56051b6b4f40), _275108)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_278900, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _283470)
   Call: (230) [system] peek_char((0x56051b6b4f40), _284404)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_288196, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _292766)
   Call: (231) [system] peek_char((0x56051b6b4f40), _293700)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_297492, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _302062)
   Call: (232) [system] peek_char((0x56051b6b4f40), _302996)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (232) [user] is_delimiter('I')
   Call: (233) [system] char_type('I', space)
   Call: (233) [system] arg(_306788, v('(', ')', end_of_file), 'I')
   Call: (232) [system] ')'=='I'
   Call: (232) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (232) [system] get_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _311358)
   Call: (233) [system] peek_char((0x56051b6b4f40), _312292)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_316084, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _320654)
   Call: (234) [system] peek_char((0x56051b6b4f40), _321588)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_325380, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _329950)
   Call: (235) [system] peek_char((0x56051b6b4f40), _330884)
   Exit: (235) [system] peek_char((0x56051b6b4f40), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_334676, v('(', ')', end_of_file), r)
   Call: (235) [system] ')'==r
   Call: (235) [system] get_char((0x56051b6b4f40), r)
   Exit: (235) [system] get_char((0x56051b6b4f40), r)
   Call: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _339246)
   Call: (236) [system] peek_char((0x56051b6b4f40), _340180)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_343972, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _348542)
   Call: (237) [system] peek_char((0x56051b6b4f40), _349476)
   Exit: (237) [system] peek_char((0x56051b6b4f40), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_353268, v('(', ')', end_of_file), d)
   Call: (237) [system] ')'==d
   Call: (237) [system] get_char((0x56051b6b4f40), d)
   Exit: (237) [system] get_char((0x56051b6b4f40), d)
   Call: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _357838)
   Call: (238) [system] peek_char((0x56051b6b4f40), _358772)
   Exit: (238) [system] peek_char((0x56051b6b4f40), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_362564, v('(', ')', end_of_file), u)
   Call: (238) [system] ')'==u
   Call: (238) [system] get_char((0x56051b6b4f40), u)
   Exit: (238) [system] get_char((0x56051b6b4f40), u)
   Call: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _367134)
   Call: (239) [system] peek_char((0x56051b6b4f40), _368068)
   Exit: (239) [system] peek_char((0x56051b6b4f40), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_371860, v('(', ')', end_of_file), c)
   Call: (239) [system] ')'==c
   Call: (239) [system] get_char((0x56051b6b4f40), c)
   Exit: (239) [system] get_char((0x56051b6b4f40), c)
   Call: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _376430)
   Call: (240) [system] peek_char((0x56051b6b4f40), _377364)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_381156, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _385726)
   Call: (241) [system] peek_char((0x56051b6b4f40), _386660)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_390452, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _395022)
   Call: (242) [system] peek_char((0x56051b6b4f40), _395956)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_399748, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _404318)
   Call: (243) [system] peek_char((0x56051b6b4f40), _405252)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_409044, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _413614)
   Call: (244) [system] peek_char((0x56051b6b4f40), _414548)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _413614=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (243) [system] _404318=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (242) [system] _395022=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (241) [system] _385726=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (240) [system] _376430=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (239) [system] _367134=[c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (238) [system] _357838=[u, c, t, i, o, n]
   Exit: (238) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (237) [system] _348542=[d, u, c, t, i, o, n]
   Exit: (237) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (236) [system] _339246=[o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (235) [system] _329950=[r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _320654=[t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _311358=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _302062=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _292766=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _283470=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _274174=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _264878=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _255582=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _246286=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _236990=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _227694=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _218398=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (222) [system] _209102=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (222) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (221) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _188558)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_485326, _485328), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _188558), _485302, fail)), '$restore_trace'(_485326, _485328))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_485326, _485328))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _188558), _485302, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(_188558)
   Call: (222) [system] atom_chars(_188558, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (222) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (221) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _493778)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _495636)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _502446)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _505150)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _514542)
   Exit: (220) [system] peek_char((0x56051b6b4f40), a)
   Call: (220) [system] a=')'
   Call: (220) [system] a=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _518256)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _520114)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=(;)
^  Call: (222) [user] is_like_space(a)
   Call: (223) [system] char_type(a, 'white')
   Call: (223) [system] char_type(a, end_of_line)
   Call: (223) [system] char_type(a, space)
   Call: (223) [system] char_type(a, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _528582)
   Exit: (221) [system] get_char((0x56051b6b4f40), a)
   Call: (221) [system] a='('
   Call: (221) [system] a='['
   Call: (221) [system] a='{'
   Call: (221) [system] a='"'
   Call: (221) [system] a=!
   Call: (221) [system] a='\''
   Call: (221) [system] a='`'
   Call: (221) [system] a=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), a, _518256)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _538800)
   Call: (223) [system] peek_char((0x56051b6b4f40), _539734)
   Exit: (223) [system] peek_char((0x56051b6b4f40), b)
^  Call: (223) [user] is_delimiter(b)
   Call: (224) [system] char_type(b, space)
   Call: (224) [system] arg(_543526, v('(', ')', end_of_file), b)
   Call: (223) [system] ')'==b
   Call: (223) [system] get_char((0x56051b6b4f40), b)
   Exit: (223) [system] get_char((0x56051b6b4f40), b)
   Call: (223) [system] b=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _548096)
   Call: (224) [system] peek_char((0x56051b6b4f40), _549030)
   Exit: (224) [system] peek_char((0x56051b6b4f40), c)
^  Call: (224) [user] is_delimiter(c)
   Call: (225) [system] char_type(c, space)
   Call: (225) [system] arg(_552822, v('(', ')', end_of_file), c)
   Call: (224) [system] ')'==c
   Call: (224) [system] get_char((0x56051b6b4f40), c)
   Exit: (224) [system] get_char((0x56051b6b4f40), c)
   Call: (224) [system] c=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _557392)
   Call: (225) [system] peek_char((0x56051b6b4f40), _558326)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _557392=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (224) [system] _548096=[c]
   Exit: (224) [system] [c]=[c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (223) [system] _538800=[b, c]
   Exit: (223) [system] [b, c]=[b, c]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (222) [user] classify_and_convert_charseq(a, [b, c], _518256)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_573224, _573226), once(user:catch(read_from_chars([a, b, c], _518256), _573200, fail)), '$restore_trace'(_573224, _573226))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_573224, _573226))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _573200, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(abc)
   Exit: (223) [system] atomic(abc)
^  Exit: (222) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _580724)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _582582)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _589392)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _592096)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _601488)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _605202)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _607060)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _615528)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _605202)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _621098)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=(;)
^  Call: (224) [user] is_like_space('C')
   Call: (225) [system] char_type('C', 'white')
   Call: (225) [system] char_type('C', end_of_line)
   Call: (225) [system] char_type('C', space)
   Call: (225) [system] char_type('C', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _629566)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (223) [system] 'C'=')'
   Call: (223) [system] 'C'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _633280)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _635138)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _643606)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'='('
   Call: (224) [system] 'C'='['
   Call: (224) [system] 'C'='{'
   Call: (224) [system] 'C'='"'
   Call: (224) [system] 'C'=!
   Call: (224) [system] 'C'='\''
   Call: (224) [system] 'C'='`'
   Call: (224) [system] 'C'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _633280)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _653824)
   Call: (226) [system] peek_char((0x56051b6b4f40), _654758)
   Exit: (226) [system] peek_char((0x56051b6b4f40), o)
^  Call: (226) [user] is_delimiter(o)
   Call: (227) [system] char_type(o, space)
   Call: (227) [system] arg(_658550, v('(', ')', end_of_file), o)
   Call: (226) [system] ')'==o
   Call: (226) [system] get_char((0x56051b6b4f40), o)
   Exit: (226) [system] get_char((0x56051b6b4f40), o)
   Call: (226) [system] o=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _663120)
   Call: (227) [system] peek_char((0x56051b6b4f40), _664054)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_667846, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _672416)
   Call: (228) [system] peek_char((0x56051b6b4f40), _673350)
   Exit: (228) [system] peek_char((0x56051b6b4f40), j)
^  Call: (228) [user] is_delimiter(j)
   Call: (229) [system] char_type(j, space)
   Call: (229) [system] arg(_677142, v('(', ')', end_of_file), j)
   Call: (228) [system] ')'==j
   Call: (228) [system] get_char((0x56051b6b4f40), j)
   Exit: (228) [system] get_char((0x56051b6b4f40), j)
   Call: (228) [system] j=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _681712)
   Call: (229) [system] peek_char((0x56051b6b4f40), _682646)
   Exit: (229) [system] peek_char((0x56051b6b4f40), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_686438, v('(', ')', end_of_file), u)
   Call: (229) [system] ')'==u
   Call: (229) [system] get_char((0x56051b6b4f40), u)
   Exit: (229) [system] get_char((0x56051b6b4f40), u)
   Call: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _691008)
   Call: (230) [system] peek_char((0x56051b6b4f40), _691942)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_695734, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _700304)
   Call: (231) [system] peek_char((0x56051b6b4f40), _701238)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_705030, v('(', ')', end_of_file), c)
   Call: (231) [system] ')'==c
   Call: (231) [system] get_char((0x56051b6b4f40), c)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _709600)
   Call: (232) [system] peek_char((0x56051b6b4f40), _710534)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_714326, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _718896)
   Call: (233) [system] peek_char((0x56051b6b4f40), _719830)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_723622, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _728192)
   Call: (234) [system] peek_char((0x56051b6b4f40), _729126)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_732918, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _737488)
   Call: (235) [system] peek_char((0x56051b6b4f40), _738422)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_742214, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _746784)
   Call: (236) [system] peek_char((0x56051b6b4f40), _747718)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (236) [user] is_delimiter('I')
   Call: (237) [system] char_type('I', space)
   Call: (237) [system] arg(_751510, v('(', ')', end_of_file), 'I')
   Call: (236) [system] ')'=='I'
   Call: (236) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (236) [system] get_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _756080)
   Call: (237) [system] peek_char((0x56051b6b4f40), _757014)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_760806, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _765376)
   Call: (238) [system] peek_char((0x56051b6b4f40), _766310)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_770102, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _774672)
   Call: (239) [system] peek_char((0x56051b6b4f40), _775606)
   Exit: (239) [system] peek_char((0x56051b6b4f40), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_779398, v('(', ')', end_of_file), r)
   Call: (239) [system] ')'==r
   Call: (239) [system] get_char((0x56051b6b4f40), r)
   Exit: (239) [system] get_char((0x56051b6b4f40), r)
   Call: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _783968)
   Call: (240) [system] peek_char((0x56051b6b4f40), _784902)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_788694, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _793264)
   Call: (241) [system] peek_char((0x56051b6b4f40), _794198)
   Exit: (241) [system] peek_char((0x56051b6b4f40), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_797990, v('(', ')', end_of_file), d)
   Call: (241) [system] ')'==d
   Call: (241) [system] get_char((0x56051b6b4f40), d)
   Exit: (241) [system] get_char((0x56051b6b4f40), d)
   Call: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _802560)
   Call: (242) [system] peek_char((0x56051b6b4f40), _803494)
   Exit: (242) [system] peek_char((0x56051b6b4f40), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_807286, v('(', ')', end_of_file), u)
   Call: (242) [system] ')'==u
   Call: (242) [system] get_char((0x56051b6b4f40), u)
   Exit: (242) [system] get_char((0x56051b6b4f40), u)
   Call: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _811856)
   Call: (243) [system] peek_char((0x56051b6b4f40), _812790)
   Exit: (243) [system] peek_char((0x56051b6b4f40), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_816582, v('(', ')', end_of_file), c)
   Call: (243) [system] ')'==c
   Call: (243) [system] get_char((0x56051b6b4f40), c)
   Exit: (243) [system] get_char((0x56051b6b4f40), c)
   Call: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _821152)
   Call: (244) [system] peek_char((0x56051b6b4f40), _822086)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_825878, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _830448)
   Call: (245) [system] peek_char((0x56051b6b4f40), _831382)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_835174, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _839744)
   Call: (246) [system] peek_char((0x56051b6b4f40), _840678)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_844470, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _849040)
   Call: (247) [system] peek_char((0x56051b6b4f40), _849974)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_853766, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _858336)
   Call: (248) [system] peek_char((0x56051b6b4f40), _859270)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _858336=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _849040=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (246) [system] _839744=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (245) [system] _830448=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (244) [system] _821152=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (243) [system] _811856=[c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (242) [system] _802560=[u, c, t, i, o, n]
   Exit: (242) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (241) [system] _793264=[d, u, c, t, i, o, n]
   Exit: (241) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (240) [system] _783968=[o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (239) [system] _774672=[r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _765376=[t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _756080=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _746784=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _737488=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _728192=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _718896=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _709600=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _700304=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _691008=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _681712=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _672416=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _663120=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _653824=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _633280)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_930048, _930050), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _633280), _930024, fail)), '$restore_trace'(_930048, _930050))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_930048, _930050))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _633280), _930024, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_633280)
   Call: (226) [system] atom_chars(_633280, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (226) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _938500)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _940358)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _947168)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _949872)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _959264)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _962978)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _964836)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _973304)
   Exit: (225) [system] get_char((0x56051b6b4f40), a)
   Call: (225) [system] a='('
   Call: (225) [system] a='['
   Call: (225) [system] a='{'
   Call: (225) [system] a='"'
   Call: (225) [system] a=!
   Call: (225) [system] a='\''
   Call: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), a, _962978)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _983522)
   Call: (227) [system] peek_char((0x56051b6b4f40), _984456)
   Exit: (227) [system] peek_char((0x56051b6b4f40), b)
^  Call: (227) [user] is_delimiter(b)
   Call: (228) [system] char_type(b, space)
   Call: (228) [system] arg(_988248, v('(', ')', end_of_file), b)
   Call: (227) [system] ')'==b
   Call: (227) [system] get_char((0x56051b6b4f40), b)
   Exit: (227) [system] get_char((0x56051b6b4f40), b)
   Call: (227) [system] b=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _992818)
   Call: (228) [system] peek_char((0x56051b6b4f40), _993752)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_997544, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1002114)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1003048)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1002114=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _992818=[c]
   Exit: (228) [system] [c]=[c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (227) [system] _983522=[b, c]
   Exit: (227) [system] [b, c]=[b, c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (226) [user] classify_and_convert_charseq(a, [b, c], _962978)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1017946, _1017948), once(user:catch(read_from_chars([a, b, c], _962978), _1017922, fail)), '$restore_trace'(_1017946, _1017948))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1017946, _1017948))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1017922, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(abc)
   Exit: (227) [system] atomic(abc)
^  Exit: (226) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1025446)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1027304)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1034114)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1036818)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(;)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1046210)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1049924)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1051782)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(;)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1060250)
   Exit: (226) [system] get_char((0x56051b6b4f40), a)
   Call: (226) [system] a='('
   Call: (226) [system] a='['
   Call: (226) [system] a='{'
   Call: (226) [system] a='"'
   Call: (226) [system] a=!
   Call: (226) [system] a='\''
   Call: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), a, _1049924)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1070468)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1071402)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1075194, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1070468=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq(a, [], _1049924)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1081656, _1081658), once(user:catch(read_from_chars([a], _1049924), _1081632, fail)), '$restore_trace'(_1081656, _1081658))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1081656, _1081658))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1081632, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(a)
   Exit: (228) [system] atomic(a)
^  Exit: (227) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1089156)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1091014)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1099482)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _1103272)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _1089156=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1025446=[a]
   Exit: (225) [system] [a]=[a]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (224) [system] _938500=[abc, a]
   Exit: (224) [system] [abc, a]=[abc, a]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (223) [system] _605202=['ConjunctionIntroduction', abc, a]
   Exit: (223) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, a])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, a])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1117154)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1119012)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1127480)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _1131270)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _1117154=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _580724=[['ConjunctionIntroduction', abc, a]]
   Exit: (221) [system] [['ConjunctionIntroduction', abc, a]]=[['ConjunctionIntroduction', abc, a]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', abc, a]])
   Call: (220) [system] _493778=[abc, ['ConjunctionIntroduction', abc, a]]
   Exit: (220) [system] [abc, ['ConjunctionIntroduction', abc, a]]=[abc, ['ConjunctionIntroduction', abc, a]]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', abc, a]])
   Call: (219) [system] _160480=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]]
   Exit: (219) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1145152)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1147010)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _1153820)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1156524)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1165916)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1169630)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1171488)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1179956)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1169630)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1185526)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=(;)
^  Call: (221) [user] is_like_space('O')
   Call: (222) [system] char_type('O', 'white')
   Call: (222) [system] char_type('O', end_of_line)
   Call: (222) [system] char_type('O', space)
   Call: (222) [system] char_type('O', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1193994)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (220) [system] 'O'=')'
   Call: (220) [system] 'O'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1197708)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1199566)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1208034)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'='('
   Call: (221) [system] 'O'='['
   Call: (221) [system] 'O'='{'
   Call: (221) [system] 'O'='"'
   Call: (221) [system] 'O'=!
   Call: (221) [system] 'O'='\''
   Call: (221) [system] 'O'='`'
   Call: (221) [system] 'O'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1197708)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1218252)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1219186)
   Exit: (223) [system] peek_char((0x56051b6b4f40), r)
^  Call: (223) [user] is_delimiter(r)
   Call: (224) [system] char_type(r, space)
   Call: (224) [system] arg(_1222978, v('(', ')', end_of_file), r)
   Call: (223) [system] ')'==r
   Call: (223) [system] get_char((0x56051b6b4f40), r)
   Exit: (223) [system] get_char((0x56051b6b4f40), r)
   Call: (223) [system] r=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1227548)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1228482)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (224) [user] is_delimiter('L')
   Call: (225) [system] char_type('L', space)
   Call: (225) [system] arg(_1232274, v('(', ')', end_of_file), 'L')
   Call: (224) [system] ')'=='L'
   Call: (224) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (224) [system] get_char((0x56051b6b4f40), 'L')
   Call: (224) [system] 'L'=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1236844)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1237778)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_1241570, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1246140)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1247074)
   Exit: (226) [system] peek_char((0x56051b6b4f40), n)
^  Call: (226) [user] is_delimiter(n)
   Call: (227) [system] char_type(n, space)
   Call: (227) [system] arg(_1250866, v('(', ')', end_of_file), n)
   Call: (226) [system] ')'==n
   Call: (226) [system] get_char((0x56051b6b4f40), n)
   Exit: (226) [system] get_char((0x56051b6b4f40), n)
   Call: (226) [system] n=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1255436)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1256370)
   Exit: (227) [system] peek_char((0x56051b6b4f40), k)
^  Call: (227) [user] is_delimiter(k)
   Call: (228) [system] char_type(k, space)
   Call: (228) [system] arg(_1260162, v('(', ')', end_of_file), k)
   Call: (227) [system] ')'==k
   Call: (227) [system] get_char((0x56051b6b4f40), k)
   Exit: (227) [system] get_char((0x56051b6b4f40), k)
   Call: (227) [system] k=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1264732)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1265666)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1264732=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1255436=[k]
   Exit: (227) [system] [k]=[k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (226) [system] _1246140=[n, k]
   Exit: (226) [system] [n, k]=[n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (225) [system] _1236844=[i, n, k]
   Exit: (225) [system] [i, n, k]=[i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (224) [system] _1227548=['L', i, n, k]
   Exit: (224) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (223) [system] _1218252=[r, 'L', i, n, k]
   Exit: (223) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1197708)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1288946, _1288948), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1197708), _1288922, fail)), '$restore_trace'(_1288946, _1288948))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1288946, _1288948))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1197708), _1288922, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_1197708)
   Call: (223) [system] atom_chars(_1197708, ['O', r, 'L', i, n, k])
   Exit: (223) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (222) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1297398)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1299256)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1306066)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1308770)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1318162)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1321876)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1323734)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1332202)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1321876)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1337772)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=(;)
^  Call: (224) [user] is_like_space('I')
   Call: (225) [system] char_type('I', 'white')
   Call: (225) [system] char_type('I', end_of_line)
   Call: (225) [system] char_type('I', space)
   Call: (225) [system] char_type('I', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1346240)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (223) [system] 'I'=')'
   Call: (223) [system] 'I'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1349954)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1351812)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1360280)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'='('
   Call: (224) [system] 'I'='['
   Call: (224) [system] 'I'='{'
   Call: (224) [system] 'I'='"'
   Call: (224) [system] 'I'=!
   Call: (224) [system] 'I'='\''
   Call: (224) [system] 'I'='`'
   Call: (224) [system] 'I'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1349954)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1370498)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1371432)
   Exit: (226) [system] peek_char((0x56051b6b4f40), m)
^  Call: (226) [user] is_delimiter(m)
   Call: (227) [system] char_type(m, space)
   Call: (227) [system] arg(_1375224, v('(', ')', end_of_file), m)
   Call: (226) [system] ')'==m
   Call: (226) [system] get_char((0x56051b6b4f40), m)
   Exit: (226) [system] get_char((0x56051b6b4f40), m)
   Call: (226) [system] m=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1379794)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1380728)
   Exit: (227) [system] peek_char((0x56051b6b4f40), p)
^  Call: (227) [user] is_delimiter(p)
   Call: (228) [system] char_type(p, space)
   Call: (228) [system] arg(_1384520, v('(', ')', end_of_file), p)
   Call: (227) [system] ')'==p
   Call: (227) [system] get_char((0x56051b6b4f40), p)
   Exit: (227) [system] get_char((0x56051b6b4f40), p)
   Call: (227) [system] p=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1389090)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1390024)
   Exit: (228) [system] peek_char((0x56051b6b4f40), l)
^  Call: (228) [user] is_delimiter(l)
   Call: (229) [system] char_type(l, space)
   Call: (229) [system] arg(_1393816, v('(', ')', end_of_file), l)
   Call: (228) [system] ')'==l
   Call: (228) [system] get_char((0x56051b6b4f40), l)
   Exit: (228) [system] get_char((0x56051b6b4f40), l)
   Call: (228) [system] l=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1398386)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1399320)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_1403112, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1407682)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1408616)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_1412408, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1416978)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1417912)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
^  Call: (231) [user] is_delimiter(a)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] arg(_1421704, v('(', ')', end_of_file), a)
   Call: (231) [system] ')'==a
   Call: (231) [system] get_char((0x56051b6b4f40), a)
   Exit: (231) [system] get_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1426274)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1427208)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1431000, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1435570)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1436504)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1440296, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1444866)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1445800)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1449592, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1454162)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1455096)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1458888, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1463458)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1464392)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1463458=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _1454162=[n]
   Exit: (235) [system] [n]=[n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (234) [system] _1444866=[o, n]
   Exit: (234) [system] [o, n]=[o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (233) [system] _1435570=[i, o, n]
   Exit: (233) [system] [i, o, n]=[i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (232) [system] _1426274=[t, i, o, n]
   Exit: (232) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (231) [system] _1416978=[a, t, i, o, n]
   Exit: (231) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (230) [system] _1407682=[c, a, t, i, o, n]
   Exit: (230) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (229) [system] _1398386=[i, c, a, t, i, o, n]
   Exit: (229) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (228) [system] _1389090=[l, i, c, a, t, i, o, n]
   Exit: (228) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (227) [system] _1379794=[p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (226) [system] _1370498=[m, p, l, i, c, a, t, i, o, n]
   Exit: (226) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1349954)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1501642, _1501644), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1349954), _1501618, fail)), '$restore_trace'(_1501642, _1501644))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1501642, _1501644))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1349954), _1501618, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1349954)
   Call: (226) [system] atom_chars(_1349954, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (226) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1510094)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1511952)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1518762)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1521466)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1530858)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1534572)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1536430)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1544898)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1534572)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1550468)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1558936)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1562650)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1564508)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1572976)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1562650)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1583194)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1584128)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1587920, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1592490)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1593424)
   Exit: (230) [system] peek_char((0x56051b6b4f40), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1597216, v('(', ')', end_of_file), d)
   Call: (230) [system] ')'==d
   Call: (230) [system] get_char((0x56051b6b4f40), d)
   Exit: (230) [system] get_char((0x56051b6b4f40), d)
   Call: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1601786)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1602720)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1606512, v('(', ')', end_of_file), 'L')
   Call: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'L')
   Call: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1611082)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1612016)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1615808, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1620378)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1621312)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1625104, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1629674)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1630608)
   Exit: (234) [system] peek_char((0x56051b6b4f40), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1634400, v('(', ')', end_of_file), k)
   Call: (234) [system] ')'==k
   Call: (234) [system] get_char((0x56051b6b4f40), k)
   Exit: (234) [system] get_char((0x56051b6b4f40), k)
   Call: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1638970)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1639904)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1638970=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _1629674=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (233) [system] _1620378=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (232) [system] _1611082=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (231) [system] _1601786=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (230) [system] _1592490=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (229) [system] _1583194=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1562650)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1665978, _1665980), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1562650), _1665954, fail)), '$restore_trace'(_1665978, _1665980))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1665978, _1665980))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1562650), _1665954, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1562650)
   Call: (229) [system] atom_chars(_1562650, ['A', n, d, 'L', i, n, k])
   Exit: (229) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1674430)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1676288)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1683098)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1685802)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1695194)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1698908)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1700766)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1709234)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1698908)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1719452)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1720386)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1719452=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('A', [], _1698908)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1729696, _1729698), once(user:catch(read_from_chars(['A'], _1698908), _1729672, fail)), '$restore_trace'(_1729696, _1729698))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1729696, _1729698))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1698908), _1729672, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1698908)
   Call: (230) [system] atom_chars(_1698908, ['A'])
   Exit: (230) [system] atom_chars('A', ['A'])
^  Exit: (229) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1738148)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1740006)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1746816)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1749520)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1758912)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1762626)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1764484)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1772952)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1762626)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1783170)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1784104)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1787896, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1783170=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('B', [], _1762626)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1794358, _1794360), once(user:catch(read_from_chars(['B'], _1762626), _1794334, fail)), '$restore_trace'(_1794358, _1794360))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1794358, _1794360))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1762626), _1794334, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1762626)
   Call: (231) [system] atom_chars(_1762626, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1802810)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1804668)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1813136)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _1816926)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _1802810=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1738148=['B']
   Exit: (228) [system] ['B']=['B']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (227) [system] _1674430=['A', 'B']
   Exit: (227) [system] ['A', 'B']=['A', 'B']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (226) [system] _1534572=['AndLink', 'A', 'B']
   Exit: (226) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1830808)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1832666)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1839476)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1842180)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1851572)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1855286)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1857144)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1865612)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1855286)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1875830)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1876764)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (228) [user] is_delimiter(')')
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] arg(_1880556, v('(', ')', end_of_file), ')')
   Exit: (229) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (228) [user] is_delimiter(')')
   Call: (228) [system] _1875830=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq('C', [], _1855286)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1887018, _1887020), once(user:catch(read_from_chars(['C'], _1855286), _1886994, fail)), '$restore_trace'(_1887018, _1887020))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1887018, _1887020))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1855286), _1886994, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1855286)
   Call: (228) [system] atom_chars(_1855286, ['C'])
   Exit: (228) [system] atom_chars('C', ['C'])
^  Exit: (227) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1895470)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1897328)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1905796)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _1909586)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _1895470=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1830808=['C']
   Exit: (225) [system] ['C']=['C']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (224) [system] _1510094=[['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (223) [system] _1321876=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (223) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1923468)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1925326)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1932136)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1934840)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1944232)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1947946)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1949804)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1958272)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1947946)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1963842)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=(;)
^  Call: (225) [user] is_like_space('A')
   Call: (226) [system] char_type('A', 'white')
   Call: (226) [system] char_type('A', end_of_line)
   Call: (226) [system] char_type('A', space)
   Call: (226) [system] char_type('A', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1972310)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (224) [system] 'A'=')'
   Call: (224) [system] 'A'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1976024)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1977882)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1986350)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'='('
   Call: (225) [system] 'A'='['
   Call: (225) [system] 'A'='{'
   Call: (225) [system] 'A'='"'
   Call: (225) [system] 'A'=!
   Call: (225) [system] 'A'='\''
   Call: (225) [system] 'A'='`'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1976024)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1996568)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1997502)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_2001294, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2005864)
   Call: (228) [system] peek_char((0x56051b6b4f40), _2006798)
   Exit: (228) [system] peek_char((0x56051b6b4f40), d)
^  Call: (228) [user] is_delimiter(d)
   Call: (229) [system] char_type(d, space)
   Call: (229) [system] arg(_2010590, v('(', ')', end_of_file), d)
   Call: (228) [system] ')'==d
   Call: (228) [system] get_char((0x56051b6b4f40), d)
   Exit: (228) [system] get_char((0x56051b6b4f40), d)
   Call: (228) [system] d=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2015160)
   Call: (229) [system] peek_char((0x56051b6b4f40), _2016094)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_2019886, v('(', ')', end_of_file), 'L')
   Call: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (229) [system] get_char((0x56051b6b4f40), 'L')
   Call: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2024456)
   Call: (230) [system] peek_char((0x56051b6b4f40), _2025390)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_2029182, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2033752)
   Call: (231) [system] peek_char((0x56051b6b4f40), _2034686)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_2038478, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2043048)
   Call: (232) [system] peek_char((0x56051b6b4f40), _2043982)
   Exit: (232) [system] peek_char((0x56051b6b4f40), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_2047774, v('(', ')', end_of_file), k)
   Call: (232) [system] ')'==k
   Call: (232) [system] get_char((0x56051b6b4f40), k)
   Exit: (232) [system] get_char((0x56051b6b4f40), k)
   Call: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2052344)
   Call: (233) [system] peek_char((0x56051b6b4f40), _2053278)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _2052344=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _2043048=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (231) [system] _2033752=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (230) [system] _2024456=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (229) [system] _2015160=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (228) [system] _2005864=[d, 'L', i, n, k]
   Exit: (228) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (227) [system] _1996568=[n, d, 'L', i, n, k]
   Exit: (227) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1976024)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_2079352, _2079354), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1976024), _2079328, fail)), '$restore_trace'(_2079352, _2079354))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_2079352, _2079354))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1976024), _2079328, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1976024)
   Call: (227) [system] atom_chars(_1976024, ['A', n, d, 'L', i, n, k])
   Exit: (227) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _2087804)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _2089662)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _7158)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _9532)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _18924)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _22638)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _24496)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _32964)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _22638)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _38534)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=(;)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _47002)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _50716)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _52574)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=(;)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _61042)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _50716)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _71260)
   Call: (230) [system] peek_char((0x56051b6b4f40), _72194)
   Exit: (230) [system] peek_char((0x56051b6b4f40), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_75986, v('(', ')', end_of_file), m)
   Call: (230) [system] ')'==m
   Call: (230) [system] get_char((0x56051b6b4f40), m)
   Exit: (230) [system] get_char((0x56051b6b4f40), m)
   Call: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _80556)
   Call: (231) [system] peek_char((0x56051b6b4f40), _81490)
   Exit: (231) [system] peek_char((0x56051b6b4f40), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_85282, v('(', ')', end_of_file), p)
   Call: (231) [system] ')'==p
   Call: (231) [system] get_char((0x56051b6b4f40), p)
   Exit: (231) [system] get_char((0x56051b6b4f40), p)
   Call: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _89852)
   Call: (232) [system] peek_char((0x56051b6b4f40), _90786)
   Exit: (232) [system] peek_char((0x56051b6b4f40), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_94578, v('(', ')', end_of_file), l)
   Call: (232) [system] ')'==l
   Call: (232) [system] get_char((0x56051b6b4f40), l)
   Exit: (232) [system] get_char((0x56051b6b4f40), l)
   Call: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _99148)
   Call: (233) [system] peek_char((0x56051b6b4f40), _100082)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_103874, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _108444)
   Call: (234) [system] peek_char((0x56051b6b4f40), _109378)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_113170, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _117740)
   Call: (235) [system] peek_char((0x56051b6b4f40), _118674)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_122466, v('(', ')', end_of_file), a)
   Call: (235) [system] ')'==a
   Call: (235) [system] get_char((0x56051b6b4f40), a)
   Exit: (235) [system] get_char((0x56051b6b4f40), a)
   Call: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _127036)
   Call: (236) [system] peek_char((0x56051b6b4f40), _127970)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_131762, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _136332)
   Call: (237) [system] peek_char((0x56051b6b4f40), _137266)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_141058, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _145628)
   Call: (238) [system] peek_char((0x56051b6b4f40), _146562)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_150354, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _154924)
   Call: (239) [system] peek_char((0x56051b6b4f40), _155858)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_159650, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _164220)
   Call: (240) [system] peek_char((0x56051b6b4f40), _165154)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _164220=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _154924=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (238) [system] _145628=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (237) [system] _136332=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (236) [system] _127036=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (235) [system] _117740=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (234) [system] _108444=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (233) [system] _99148=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (232) [system] _89852=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _80556=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _71260=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _50716)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_202404, _202406), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _50716), _202380, fail)), '$restore_trace'(_202404, _202406))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_202404, _202406))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _50716), _202380, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_50716)
   Call: (230) [system] atom_chars(_50716, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (230) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _210856)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _212714)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _219524)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _222228)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _231620)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _235334)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _237192)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _245660)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _235334)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _251230)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _259698)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _263412)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _265270)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _273738)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _263412)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _283956)
   Call: (233) [system] peek_char((0x56051b6b4f40), _284890)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_288682, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293252)
   Call: (234) [system] peek_char((0x56051b6b4f40), _294186)
   Exit: (234) [system] peek_char((0x56051b6b4f40), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_297978, v('(', ')', end_of_file), d)
   Call: (234) [system] ')'==d
   Call: (234) [system] get_char((0x56051b6b4f40), d)
   Exit: (234) [system] get_char((0x56051b6b4f40), d)
   Call: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _302548)
   Call: (235) [system] peek_char((0x56051b6b4f40), _303482)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_307274, v('(', ')', end_of_file), 'L')
   Call: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (235) [system] get_char((0x56051b6b4f40), 'L')
   Call: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _311844)
   Call: (236) [system] peek_char((0x56051b6b4f40), _312778)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_316570, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _321140)
   Call: (237) [system] peek_char((0x56051b6b4f40), _322074)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_325866, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _330436)
   Call: (238) [system] peek_char((0x56051b6b4f40), _331370)
   Exit: (238) [system] peek_char((0x56051b6b4f40), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_335162, v('(', ')', end_of_file), k)
   Call: (238) [system] ')'==k
   Call: (238) [system] get_char((0x56051b6b4f40), k)
   Exit: (238) [system] get_char((0x56051b6b4f40), k)
   Call: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _339732)
   Call: (239) [system] peek_char((0x56051b6b4f40), _340666)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _339732=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _330436=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (237) [system] _321140=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (236) [system] _311844=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (235) [system] _302548=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (234) [system] _293252=[d, 'L', i, n, k]
   Exit: (234) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (233) [system] _283956=[n, d, 'L', i, n, k]
   Exit: (233) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _263412)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_366740, _366742), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _263412), _366716, fail)), '$restore_trace'(_366740, _366742))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_366740, _366742))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _263412), _366716, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_263412)
   Call: (233) [system] atom_chars(_263412, ['A', n, d, 'L', i, n, k])
   Exit: (233) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _375192)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _377050)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _383860)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _386564)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _395956)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _399670)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _401528)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _409996)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _399670)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _420214)
   Call: (234) [system] peek_char((0x56051b6b4f40), _421148)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _420214=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('A', [], _399670)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_430458, _430460), once(user:catch(read_from_chars(['A'], _399670), _430434, fail)), '$restore_trace'(_430458, _430460))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_430458, _430460))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _399670), _430434, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_399670)
   Call: (234) [system] atom_chars(_399670, ['A'])
   Exit: (234) [system] atom_chars('A', ['A'])
^  Exit: (233) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _438910)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _440768)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _447578)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _450282)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _459674)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _463388)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _465246)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _473714)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _463388)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _483932)
   Call: (235) [system] peek_char((0x56051b6b4f40), _484866)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_488658, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _483932=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq('B', [], _463388)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_495120, _495122), once(user:catch(read_from_chars(['B'], _463388), _495096, fail)), '$restore_trace'(_495120, _495122))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_495120, _495122))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _463388), _495096, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_463388)
   Call: (235) [system] atom_chars(_463388, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _503572)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _505430)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _513898)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _517688)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _503572=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _438910=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (231) [system] _375192=['A', 'B']
   Exit: (231) [system] ['A', 'B']=['A', 'B']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (230) [system] _235334=['AndLink', 'A', 'B']
   Exit: (230) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _531570)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _533428)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _540238)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _542942)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _552334)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _556048)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _557906)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _566374)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _556048)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _576592)
   Call: (232) [system] peek_char((0x56051b6b4f40), _577526)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_581318, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _576592=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('C', [], _556048)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_587780, _587782), once(user:catch(read_from_chars(['C'], _556048), _587756, fail)), '$restore_trace'(_587780, _587782))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_587780, _587782))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _556048), _587756, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_556048)
   Call: (232) [system] atom_chars(_556048, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _596232)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _598090)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _606558)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _610348)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _596232=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _531570=['C']
   Exit: (229) [system] ['C']=['C']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (228) [system] _210856=[['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (227) [system] _22638=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _624230)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _626088)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _632898)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _635602)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=(;)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _644994)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (226) [system] 'B'=')'
   Call: (226) [system] 'B'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _648708)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _650566)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=(;)
^  Call: (228) [user] is_like_space('B')
   Call: (229) [system] char_type('B', 'white')
   Call: (229) [system] char_type('B', end_of_line)
   Call: (229) [system] char_type('B', space)
   Call: (229) [system] char_type('B', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _659034)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'B')
   Call: (227) [system] 'B'='('
   Call: (227) [system] 'B'='['
   Call: (227) [system] 'B'='{'
   Call: (227) [system] 'B'='"'
   Call: (227) [system] 'B'=!
   Call: (227) [system] 'B'='\''
   Call: (227) [system] 'B'='`'
   Call: (227) [system] 'B'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _648708)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _669252)
   Call: (229) [system] peek_char((0x56051b6b4f40), _670186)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_673978, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _669252=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('B', [], _648708)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_680440, _680442), once(user:catch(read_from_chars(['B'], _648708), _680416, fail)), '$restore_trace'(_680440, _680442))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_680440, _680442))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _648708), _680416, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_648708)
   Call: (229) [system] atom_chars(_648708, ['B'])
   Exit: (229) [system] atom_chars('B', ['B'])
^  Exit: (228) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _688892)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _690750)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _699218)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _703008)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _688892=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _624230=['B']
   Exit: (226) [system] ['B']=['B']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (225) [system] _7096=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (225) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (224) [system] _7088=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (224) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _716890)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _718748)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _727216)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _731006)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _716890=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _7084=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (222) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (221) [system] _7042=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (221) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (220) [system] _7034=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (220) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _744888)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _746746)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=(;)
^  Call: (220) [user] is_like_space(')')
   Call: (221) [system] char_type(')', 'white')
   Call: (221) [system] char_type(')', end_of_line)
   Call: (221) [system] char_type(')', space)
   Call: (221) [system] char_type(')', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _755214)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ')')
   Call: (219) [system] ')'=')'
   Exit: (219) [system] ')'=')'
   Call: (219) [system] get_char((0x56051b6b4f40), _759004)
   Exit: (219) [system] get_char((0x56051b6b4f40), ')')
   Call: (219) [system] _744888=[]
   Exit: (219) [system] []=[]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (218) [system] _7030=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (218) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (217) [system] _6988=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (217) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (216) [system] _6980=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (216) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (215) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Exit: (214) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Call: (214) [user] read_list(')', (0x56051b6b4f40), _772886)
^  Call: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _774744)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (216) [system] '\n'=(;)
^  Call: (216) [user] is_like_space('\n')
   Call: (217) [system] char_type('\n', 'white')
   Call: (217) [system] char_type('\n', end_of_line)
   Exit: (217) [system] char_type('\n', end_of_line)
^  Exit: (216) [user] is_like_space('\n')
   Call: (216) [system] get_char((0x56051b6b4f40), _782360)
   Exit: (216) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _785064)
   Exit: (217) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (217) [system] ' '=(;)
^  Call: (217) [user] is_like_space(' ')
   Call: (218) [system] char_type(' ', 'white')
   Exit: (218) [system] char_type(' ', 'white')
^  Exit: (217) [user] is_like_space(' ')
   Call: (217) [system] get_char((0x56051b6b4f40), _791874)
   Exit: (217) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _794578)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (215) [user] skip_spaces((0x56051b6b4f40))
   Call: (215) [system] peek_char((0x56051b6b4f40), _804894)
   Exit: (215) [system] peek_char((0x56051b6b4f40), '(')
   Call: (215) [system] '('=')'
   Call: (215) [system] '('=end_of_file
^  Call: (215) [user] cont_sexpr(')', (0x56051b6b4f40), _808608)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _810466)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=(;)
^  Call: (217) [user] is_like_space('(')
   Call: (218) [system] char_type('(', 'white')
   Call: (218) [system] char_type('(', end_of_line)
   Call: (218) [system] char_type('(', space)
   Call: (218) [system] char_type('(', cntrl)
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] get_char((0x56051b6b4f40), _818934)
   Exit: (216) [system] get_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('='('
   Exit: (216) [system] '('='('
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _808608)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _824504)
   Exit: (218) [system] peek_char((0x56051b6b4f40), :)
   Call: (218) [system] (:)=(;)
^  Call: (218) [user] is_like_space(:)
   Call: (219) [system] char_type(:, 'white')
   Call: (219) [system] char_type(:, end_of_line)
   Call: (219) [system] char_type(:, space)
   Call: (219) [system] char_type(:, cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _832972)
   Exit: (217) [system] peek_char((0x56051b6b4f40), :)
   Call: (217) [system] (:)=')'
   Call: (217) [system] (:)=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _836686)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _838544)
   Exit: (219) [system] peek_char((0x56051b6b4f40), :)
   Call: (219) [system] (:)=(;)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _847012)
   Exit: (218) [system] get_char((0x56051b6b4f40), :)
   Call: (218) [system] (:)='('
   Call: (218) [system] (:)='['
   Call: (218) [system] (:)='{'
   Call: (218) [system] (:)='"'
   Call: (218) [system] (:)=!
   Call: (218) [system] (:)='\''
   Call: (218) [system] (:)='`'
   Call: (218) [system] (:)=end_of_file
^  Call: (218) [user] read_symbolic(')', (0x56051b6b4f40), :, _836686)
^  Call: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), _857230)
   Call: (220) [system] peek_char((0x56051b6b4f40), _858164)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] is_delimiter(' ')
   Call: (221) [system] char_type(' ', space)
   Exit: (221) [system] char_type(' ', space)
^  Exit: (220) [user] is_delimiter(' ')
   Call: (220) [system] _857230=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (219) [user] classify_and_convert_charseq(:, [], _836686)
^  Call: (221) [system] setup_call_cleanup('$notrace'(_867474, _867476), once(user:catch(read_from_chars([:], _836686), _867450, fail)), '$restore_trace'(_867474, _867476))
^  Call: (222) [system] sig_atomic(system:'$notrace'(_867474, _867476))
^  Exit: (221) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _867450, fail)), system:'$restore_trace'(3, -1))
   Call: (220) [system] atomic(:)
   Exit: (220) [system] atomic(:)
^  Exit: (219) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (218) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _874974)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _876832)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _883642)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _886346)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _895738)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _899452)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _901310)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _909778)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _899452)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _915348)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'=(;)
^  Call: (221) [user] is_like_space('D')
   Call: (222) [system] char_type('D', 'white')
   Call: (222) [system] char_type('D', end_of_line)
   Call: (222) [system] char_type('D', space)
   Call: (222) [system] char_type('D', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _923816)
   Exit: (220) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (220) [system] 'D'=')'
   Call: (220) [system] 'D'=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _927530)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _929388)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'=(;)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _937856)
   Exit: (221) [system] get_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'='('
   Call: (221) [system] 'D'='['
   Call: (221) [system] 'D'='{'
   Call: (221) [system] 'D'='"'
   Call: (221) [system] 'D'=!
   Call: (221) [system] 'D'='\''
   Call: (221) [system] 'D'='`'
   Call: (221) [system] 'D'=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _927530)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _948074)
   Call: (223) [system] peek_char((0x56051b6b4f40), _949008)
   Exit: (223) [system] peek_char((0x56051b6b4f40), i)
^  Call: (223) [user] is_delimiter(i)
   Call: (224) [system] char_type(i, space)
   Call: (224) [system] arg(_952800, v('(', ')', end_of_file), i)
   Call: (223) [system] ')'==i
   Call: (223) [system] get_char((0x56051b6b4f40), i)
   Exit: (223) [system] get_char((0x56051b6b4f40), i)
   Call: (223) [system] i=(\)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _957370)
   Call: (224) [system] peek_char((0x56051b6b4f40), _958304)
   Exit: (224) [system] peek_char((0x56051b6b4f40), s)
^  Call: (224) [user] is_delimiter(s)
   Call: (225) [system] char_type(s, space)
   Call: (225) [system] arg(_962096, v('(', ')', end_of_file), s)
   Call: (224) [system] ')'==s
   Call: (224) [system] get_char((0x56051b6b4f40), s)
   Exit: (224) [system] get_char((0x56051b6b4f40), s)
   Call: (224) [system] s=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _966666)
   Call: (225) [system] peek_char((0x56051b6b4f40), _967600)
   Exit: (225) [system] peek_char((0x56051b6b4f40), j)
^  Call: (225) [user] is_delimiter(j)
   Call: (226) [system] char_type(j, space)
   Call: (226) [system] arg(_971392, v('(', ')', end_of_file), j)
   Call: (225) [system] ')'==j
   Call: (225) [system] get_char((0x56051b6b4f40), j)
   Exit: (225) [system] get_char((0x56051b6b4f40), j)
   Call: (225) [system] j=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _975962)
   Call: (226) [system] peek_char((0x56051b6b4f40), _976896)
   Exit: (226) [system] peek_char((0x56051b6b4f40), u)
^  Call: (226) [user] is_delimiter(u)
   Call: (227) [system] char_type(u, space)
   Call: (227) [system] arg(_980688, v('(', ')', end_of_file), u)
   Call: (226) [system] ')'==u
   Call: (226) [system] get_char((0x56051b6b4f40), u)
   Exit: (226) [system] get_char((0x56051b6b4f40), u)
   Call: (226) [system] u=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _985258)
   Call: (227) [system] peek_char((0x56051b6b4f40), _986192)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_989984, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _994554)
   Call: (228) [system] peek_char((0x56051b6b4f40), _995488)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_999280, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1003850)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1004784)
   Exit: (229) [system] peek_char((0x56051b6b4f40), t)
^  Call: (229) [user] is_delimiter(t)
   Call: (230) [system] char_type(t, space)
   Call: (230) [system] arg(_1008576, v('(', ')', end_of_file), t)
   Call: (229) [system] ')'==t
   Call: (229) [system] get_char((0x56051b6b4f40), t)
   Exit: (229) [system] get_char((0x56051b6b4f40), t)
   Call: (229) [system] t=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1013146)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1014080)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1017872, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1022442)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1023376)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_1027168, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1031738)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1032672)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1036464, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1041034)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1041968)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (233) [user] is_delimiter('I')
   Call: (234) [system] char_type('I', space)
   Call: (234) [system] arg(_1045760, v('(', ')', end_of_file), 'I')
   Call: (233) [system] ')'=='I'
   Call: (233) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (233) [system] get_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1050330)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1051264)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1055056, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1059626)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1060560)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1064352, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1068922)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1069856)
   Exit: (236) [system] peek_char((0x56051b6b4f40), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_1073648, v('(', ')', end_of_file), r)
   Call: (236) [system] ')'==r
   Call: (236) [system] get_char((0x56051b6b4f40), r)
   Exit: (236) [system] get_char((0x56051b6b4f40), r)
   Call: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1078218)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1079152)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1082944, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1087514)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1088448)
   Exit: (238) [system] peek_char((0x56051b6b4f40), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_1092240, v('(', ')', end_of_file), d)
   Call: (238) [system] ')'==d
   Call: (238) [system] get_char((0x56051b6b4f40), d)
   Exit: (238) [system] get_char((0x56051b6b4f40), d)
   Call: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1096810)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1097744)
   Exit: (239) [system] peek_char((0x56051b6b4f40), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_1101536, v('(', ')', end_of_file), u)
   Call: (239) [system] ')'==u
   Call: (239) [system] get_char((0x56051b6b4f40), u)
   Exit: (239) [system] get_char((0x56051b6b4f40), u)
   Call: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1106106)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1107040)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_1110832, v('(', ')', end_of_file), c)
   Call: (240) [system] ')'==c
   Call: (240) [system] get_char((0x56051b6b4f40), c)
   Exit: (240) [system] get_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1115402)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1116336)
   Exit: (241) [system] peek_char((0x56051b6b4f40), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1120128, v('(', ')', end_of_file), t)
   Call: (241) [system] ')'==t
   Call: (241) [system] get_char((0x56051b6b4f40), t)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1124698)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1125632)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1129424, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1133994)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1134928)
   Exit: (243) [system] peek_char((0x56051b6b4f40), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1138720, v('(', ')', end_of_file), o)
   Call: (243) [system] ')'==o
   Call: (243) [system] get_char((0x56051b6b4f40), o)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1143290)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1144224)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1148016, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1152586)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1153520)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _1152586=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (244) [system] _1143290=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (243) [system] _1133994=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (242) [system] _1124698=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (241) [system] _1115402=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (240) [system] _1106106=[c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (239) [system] _1096810=[u, c, t, i, o, n]
   Exit: (239) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (238) [system] _1087514=[d, u, c, t, i, o, n]
   Exit: (238) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (237) [system] _1078218=[o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (236) [system] _1068922=[r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1059626=[t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1050330=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1041034=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1031738=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1022442=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1013146=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1003850=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _994554=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _985258=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _975962=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _966666=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _957370=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (223) [system] _948074=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (223) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (222) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _927530)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1224298, _1224300), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _927530), _1224274, fail)), '$restore_trace'(_1224298, _1224300))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1224298, _1224300))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _927530), _1224274, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(_927530)
   Call: (223) [system] atom_chars(_927530, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (223) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (222) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1232750)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1234608)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1241418)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1244122)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=(;)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1253514)
   Exit: (221) [system] peek_char((0x56051b6b4f40), a)
   Call: (221) [system] a=')'
   Call: (221) [system] a=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1257228)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1259086)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=(;)
^  Call: (223) [user] is_like_space(a)
   Call: (224) [system] char_type(a, 'white')
   Call: (224) [system] char_type(a, end_of_line)
   Call: (224) [system] char_type(a, space)
   Call: (224) [system] char_type(a, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1267554)
   Exit: (222) [system] get_char((0x56051b6b4f40), a)
   Call: (222) [system] a='('
   Call: (222) [system] a='['
   Call: (222) [system] a='{'
   Call: (222) [system] a='"'
   Call: (222) [system] a=!
   Call: (222) [system] a='\''
   Call: (222) [system] a='`'
   Call: (222) [system] a=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), a, _1257228)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1277772)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1278706)
   Exit: (224) [system] peek_char((0x56051b6b4f40), b)
^  Call: (224) [user] is_delimiter(b)
   Call: (225) [system] char_type(b, space)
   Call: (225) [system] arg(_1282498, v('(', ')', end_of_file), b)
   Call: (224) [system] ')'==b
   Call: (224) [system] get_char((0x56051b6b4f40), b)
   Exit: (224) [system] get_char((0x56051b6b4f40), b)
   Call: (224) [system] b=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1287068)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1288002)
   Exit: (225) [system] peek_char((0x56051b6b4f40), c)
^  Call: (225) [user] is_delimiter(c)
   Call: (226) [system] char_type(c, space)
   Call: (226) [system] arg(_1291794, v('(', ')', end_of_file), c)
   Call: (225) [system] ')'==c
   Call: (225) [system] get_char((0x56051b6b4f40), c)
   Exit: (225) [system] get_char((0x56051b6b4f40), c)
   Call: (225) [system] c=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1296364)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1297298)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _1296364=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (225) [system] _1287068=[c]
   Exit: (225) [system] [c]=[c]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (224) [system] _1277772=[b, c]
   Exit: (224) [system] [b, c]=[b, c]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (223) [user] classify_and_convert_charseq(a, [b, c], _1257228)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1312196, _1312198), once(user:catch(read_from_chars([a, b, c], _1257228), _1312172, fail)), '$restore_trace'(_1312196, _1312198))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1312196, _1312198))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1312172, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(abc)
   Exit: (224) [system] atomic(abc)
^  Exit: (223) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1319696)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1321554)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1328364)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1331068)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1340460)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1344174)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1346032)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1354500)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1344174)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1360070)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=(;)
^  Call: (225) [user] is_like_space('C')
   Call: (226) [system] char_type('C', 'white')
   Call: (226) [system] char_type('C', end_of_line)
   Call: (226) [system] char_type('C', space)
   Call: (226) [system] char_type('C', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1368538)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (224) [system] 'C'=')'
   Call: (224) [system] 'C'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1372252)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1374110)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1382578)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'='('
   Call: (225) [system] 'C'='['
   Call: (225) [system] 'C'='{'
   Call: (225) [system] 'C'='"'
   Call: (225) [system] 'C'=!
   Call: (225) [system] 'C'='\''
   Call: (225) [system] 'C'='`'
   Call: (225) [system] 'C'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1372252)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1392796)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1393730)
   Exit: (227) [system] peek_char((0x56051b6b4f40), o)
^  Call: (227) [user] is_delimiter(o)
   Call: (228) [system] char_type(o, space)
   Call: (228) [system] arg(_1397522, v('(', ')', end_of_file), o)
   Call: (227) [system] ')'==o
   Call: (227) [system] get_char((0x56051b6b4f40), o)
   Exit: (227) [system] get_char((0x56051b6b4f40), o)
   Call: (227) [system] o=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1402092)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1403026)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1406818, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1411388)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1412322)
   Exit: (229) [system] peek_char((0x56051b6b4f40), j)
^  Call: (229) [user] is_delimiter(j)
   Call: (230) [system] char_type(j, space)
   Call: (230) [system] arg(_1416114, v('(', ')', end_of_file), j)
   Call: (229) [system] ')'==j
   Call: (229) [system] get_char((0x56051b6b4f40), j)
   Exit: (229) [system] get_char((0x56051b6b4f40), j)
   Call: (229) [system] j=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1420684)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1421618)
   Exit: (230) [system] peek_char((0x56051b6b4f40), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1425410, v('(', ')', end_of_file), u)
   Call: (230) [system] ')'==u
   Call: (230) [system] get_char((0x56051b6b4f40), u)
   Exit: (230) [system] get_char((0x56051b6b4f40), u)
   Call: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1429980)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1430914)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1434706, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1439276)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1440210)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1444002, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1448572)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1449506)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1453298, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1457868)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1458802)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1462594, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1467164)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1468098)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1471890, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1476460)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1477394)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1481186, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1485756)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1486690)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (237) [user] is_delimiter('I')
   Call: (238) [system] char_type('I', space)
   Call: (238) [system] arg(_1490482, v('(', ')', end_of_file), 'I')
   Call: (237) [system] ')'=='I'
   Call: (237) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (237) [system] get_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1495052)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1495986)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1499778, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1504348)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1505282)
   Exit: (239) [system] peek_char((0x56051b6b4f40), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1509074, v('(', ')', end_of_file), t)
   Call: (239) [system] ')'==t
   Call: (239) [system] get_char((0x56051b6b4f40), t)
   Exit: (239) [system] get_char((0x56051b6b4f40), t)
   Call: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1513644)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1514578)
   Exit: (240) [system] peek_char((0x56051b6b4f40), r)
^  Call: (240) [user] is_delimiter(r)
   Call: (241) [system] char_type(r, space)
   Call: (241) [system] arg(_1518370, v('(', ')', end_of_file), r)
   Call: (240) [system] ')'==r
   Call: (240) [system] get_char((0x56051b6b4f40), r)
   Exit: (240) [system] get_char((0x56051b6b4f40), r)
   Call: (240) [system] r=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1522940)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1523874)
   Exit: (241) [system] peek_char((0x56051b6b4f40), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1527666, v('(', ')', end_of_file), o)
   Call: (241) [system] ')'==o
   Call: (241) [system] get_char((0x56051b6b4f40), o)
   Exit: (241) [system] get_char((0x56051b6b4f40), o)
   Call: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1532236)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1533170)
   Exit: (242) [system] peek_char((0x56051b6b4f40), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_1536962, v('(', ')', end_of_file), d)
   Call: (242) [system] ')'==d
   Call: (242) [system] get_char((0x56051b6b4f40), d)
   Exit: (242) [system] get_char((0x56051b6b4f40), d)
   Call: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1541532)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1542466)
   Exit: (243) [system] peek_char((0x56051b6b4f40), u)
^  Call: (243) [user] is_delimiter(u)
   Call: (244) [system] char_type(u, space)
   Call: (244) [system] arg(_1546258, v('(', ')', end_of_file), u)
   Call: (243) [system] ')'==u
   Call: (243) [system] get_char((0x56051b6b4f40), u)
   Exit: (243) [system] get_char((0x56051b6b4f40), u)
   Call: (243) [system] u=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1550828)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1551762)
   Exit: (244) [system] peek_char((0x56051b6b4f40), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_1555554, v('(', ')', end_of_file), c)
   Call: (244) [system] ')'==c
   Call: (244) [system] get_char((0x56051b6b4f40), c)
   Exit: (244) [system] get_char((0x56051b6b4f40), c)
   Call: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1560124)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1561058)
   Exit: (245) [system] peek_char((0x56051b6b4f40), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_1564850, v('(', ')', end_of_file), t)
   Call: (245) [system] ')'==t
   Call: (245) [system] get_char((0x56051b6b4f40), t)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1569420)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1570354)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_1574146, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1578716)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1579650)
   Exit: (247) [system] peek_char((0x56051b6b4f40), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_1583442, v('(', ')', end_of_file), o)
   Call: (247) [system] ')'==o
   Call: (247) [system] get_char((0x56051b6b4f40), o)
   Exit: (247) [system] get_char((0x56051b6b4f40), o)
   Call: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1588012)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1588946)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_1592738, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1597308)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1598242)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _1597308=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (248) [system] _1588012=[n]
   Exit: (248) [system] [n]=[n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (247) [system] _1578716=[o, n]
   Exit: (247) [system] [o, n]=[o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (246) [system] _1569420=[i, o, n]
   Exit: (246) [system] [i, o, n]=[i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (245) [system] _1560124=[t, i, o, n]
   Exit: (245) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (244) [system] _1550828=[c, t, i, o, n]
   Exit: (244) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (243) [system] _1541532=[u, c, t, i, o, n]
   Exit: (243) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (242) [system] _1532236=[d, u, c, t, i, o, n]
   Exit: (242) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (241) [system] _1522940=[o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (240) [system] _1513644=[r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1504348=[t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1495052=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1485756=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1476460=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1467164=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1457868=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1448572=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1439276=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1429980=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1420684=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1411388=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1402092=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1392796=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1372252)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1669020, _1669022), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1372252), _1668996, fail)), '$restore_trace'(_1669020, _1669022))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1669020, _1669022))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1372252), _1668996, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1372252)
   Call: (227) [system] atom_chars(_1372252, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (227) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1677472)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1679330)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1686140)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1688844)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(;)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1698236)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1701950)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1703808)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(;)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1712276)
   Exit: (226) [system] get_char((0x56051b6b4f40), a)
   Call: (226) [system] a='('
   Call: (226) [system] a='['
   Call: (226) [system] a='{'
   Call: (226) [system] a='"'
   Call: (226) [system] a=!
   Call: (226) [system] a='\''
   Call: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), a, _1701950)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1722494)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1723428)
   Exit: (228) [system] peek_char((0x56051b6b4f40), b)
^  Call: (228) [user] is_delimiter(b)
   Call: (229) [system] char_type(b, space)
   Call: (229) [system] arg(_1727220, v('(', ')', end_of_file), b)
   Call: (228) [system] ')'==b
   Call: (228) [system] get_char((0x56051b6b4f40), b)
   Exit: (228) [system] get_char((0x56051b6b4f40), b)
   Call: (228) [system] b=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1731790)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1732724)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_1736516, v('(', ')', end_of_file), c)
   Call: (229) [system] ')'==c
   Call: (229) [system] get_char((0x56051b6b4f40), c)
   Exit: (229) [system] get_char((0x56051b6b4f40), c)
   Call: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1741086)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1742020)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1741086=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1731790=[c]
   Exit: (229) [system] [c]=[c]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (228) [system] _1722494=[b, c]
   Exit: (228) [system] [b, c]=[b, c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (227) [user] classify_and_convert_charseq(a, [b, c], _1701950)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1756918, _1756920), once(user:catch(read_from_chars([a, b, c], _1701950), _1756894, fail)), '$restore_trace'(_1756918, _1756920))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1756918, _1756920))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1756894, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(abc)
   Exit: (228) [system] atomic(abc)
^  Exit: (227) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1764418)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1766276)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _1773086)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1775790)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(;)
^  Call: (228) [user] is_like_space(c)
   Call: (229) [system] char_type(c, 'white')
   Call: (229) [system] char_type(c, end_of_line)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] char_type(c, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1785182)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
   Call: (226) [system] c=')'
   Call: (226) [system] c=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1788896)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1790754)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(;)
^  Call: (228) [user] is_like_space(c)
   Call: (229) [system] char_type(c, 'white')
   Call: (229) [system] char_type(c, end_of_line)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] char_type(c, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1799222)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c='('
   Call: (227) [system] c='['
   Call: (227) [system] c='{'
   Call: (227) [system] c='"'
   Call: (227) [system] c=!
   Call: (227) [system] c='\''
   Call: (227) [system] c='`'
   Call: (227) [system] c=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), c, _1788896)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1809440)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1810374)
   Exit: (229) [system] peek_char((0x56051b6b4f40), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_1814166, v('(', ')', end_of_file), d)
   Call: (229) [system] ')'==d
   Call: (229) [system] get_char((0x56051b6b4f40), d)
   Exit: (229) [system] get_char((0x56051b6b4f40), d)
   Call: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1818736)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1819670)
   Exit: (230) [system] peek_char((0x56051b6b4f40), e)
^  Call: (230) [user] is_delimiter(e)
   Call: (231) [system] char_type(e, space)
   Call: (231) [system] arg(_1823462, v('(', ')', end_of_file), e)
   Call: (230) [system] ')'==e
   Call: (230) [system] get_char((0x56051b6b4f40), e)
   Exit: (230) [system] get_char((0x56051b6b4f40), e)
   Call: (230) [system] e=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1828032)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1828966)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_1832758, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _1828032=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1818736=[e]
   Exit: (230) [system] [e]=[e]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (229) [system] _1809440=[d, e]
   Exit: (229) [system] [d, e]=[d, e]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (228) [user] classify_and_convert_charseq(c, [d, e], _1788896)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1844808, _1844810), once(user:catch(read_from_chars([c, d, e], _1788896), _1844784, fail)), '$restore_trace'(_1844808, _1844810))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1844808, _1844810))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1844784, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(cde)
   Exit: (229) [system] atomic(cde)
^  Exit: (228) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1852308)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1854166)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1862634)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _1866424)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _1852308=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _1764418=[cde]
   Exit: (226) [system] [cde]=[cde]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (225) [system] _1677472=[abc, cde]
   Exit: (225) [system] [abc, cde]=[abc, cde]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [abc, cde])
   Call: (224) [system] _1344174=['ConjunctionIntroduction', abc, cde]
   Exit: (224) [system] ['ConjunctionIntroduction', abc, cde]=['ConjunctionIntroduction', abc, cde]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, cde])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, cde])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1880306)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1882164)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1890632)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _1894422)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _1880306=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _1319696=[['ConjunctionIntroduction', abc, cde]]
   Exit: (222) [system] [['ConjunctionIntroduction', abc, cde]]=[['ConjunctionIntroduction', abc, cde]]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', abc, cde]])
   Call: (221) [system] _1232750=[abc, ['ConjunctionIntroduction', abc, cde]]
   Exit: (221) [system] [abc, ['ConjunctionIntroduction', abc, cde]]=[abc, ['ConjunctionIntroduction', abc, cde]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', abc, cde]])
   Call: (220) [system] _899452=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]]
   Exit: (220) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1908304)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1910162)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1916972)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1919676)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1929068)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1932782)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1934640)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1943108)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1932782)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1948678)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=(;)
^  Call: (222) [user] is_like_space('O')
   Call: (223) [system] char_type('O', 'white')
   Call: (223) [system] char_type('O', end_of_line)
   Call: (223) [system] char_type('O', space)
   Call: (223) [system] char_type('O', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1957146)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (221) [system] 'O'=')'
   Call: (221) [system] 'O'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1960860)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1962718)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1971186)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'='('
   Call: (222) [system] 'O'='['
   Call: (222) [system] 'O'='{'
   Call: (222) [system] 'O'='"'
   Call: (222) [system] 'O'=!
   Call: (222) [system] 'O'='\''
   Call: (222) [system] 'O'='`'
   Call: (222) [system] 'O'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1960860)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1981404)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1982338)
   Exit: (224) [system] peek_char((0x56051b6b4f40), r)
^  Call: (224) [user] is_delimiter(r)
   Call: (225) [system] char_type(r, space)
   Call: (225) [system] arg(_1986130, v('(', ')', end_of_file), r)
   Call: (224) [system] ')'==r
   Call: (224) [system] get_char((0x56051b6b4f40), r)
   Exit: (224) [system] get_char((0x56051b6b4f40), r)
   Call: (224) [system] r=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1990700)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1991634)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (225) [user] is_delimiter('L')
   Call: (226) [system] char_type('L', space)
   Call: (226) [system] arg(_1995426, v('(', ')', end_of_file), 'L')
   Call: (225) [system] ')'=='L'
   Call: (225) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (225) [system] get_char((0x56051b6b4f40), 'L')
   Call: (225) [system] 'L'=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1999996)
   Call: (226) [system] peek_char((0x56051b6b4f40), _2000930)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_2004722, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2009292)
   Call: (227) [system] peek_char((0x56051b6b4f40), _2010226)
   Exit: (227) [system] peek_char((0x56051b6b4f40), n)
^  Call: (227) [user] is_delimiter(n)
   Call: (228) [system] char_type(n, space)
   Call: (228) [system] arg(_2014018, v('(', ')', end_of_file), n)
   Call: (227) [system] ')'==n
   Call: (227) [system] get_char((0x56051b6b4f40), n)
   Exit: (227) [system] get_char((0x56051b6b4f40), n)
   Call: (227) [system] n=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2018588)
   Call: (228) [system] peek_char((0x56051b6b4f40), _2019522)
   Exit: (228) [system] peek_char((0x56051b6b4f40), k)
^  Call: (228) [user] is_delimiter(k)
   Call: (229) [system] char_type(k, space)
   Call: (229) [system] arg(_2023314, v('(', ')', end_of_file), k)
   Call: (228) [system] ')'==k
   Call: (228) [system] get_char((0x56051b6b4f40), k)
   Exit: (228) [system] get_char((0x56051b6b4f40), k)
   Call: (228) [system] k=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2027884)
   Call: (229) [system] peek_char((0x56051b6b4f40), _2028818)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _2027884=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _2018588=[k]
   Exit: (228) [system] [k]=[k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (227) [system] _2009292=[n, k]
   Exit: (227) [system] [n, k]=[n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (226) [system] _1999996=[i, n, k]
   Exit: (226) [system] [i, n, k]=[i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (225) [system] _1990700=['L', i, n, k]
   Exit: (225) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (224) [system] _1981404=[r, 'L', i, n, k]
   Exit: (224) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1960860)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_2052098, _2052100), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1960860), _2052074, fail)), '$restore_trace'(_2052098, _2052100))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_2052098, _2052100))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1960860), _2052074, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_1960860)
   Call: (224) [system] atom_chars(_1960860, ['O', r, 'L', i, n, k])
   Exit: (224) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (223) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _2060550)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _2062408)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _2069218)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _2071922)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _2081314)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _2085028)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _2086886)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _2095354)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _7214)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _11358)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=(;)
^  Call: (225) [user] is_like_space('I')
   Call: (226) [system] char_type('I', 'white')
   Call: (226) [system] char_type('I', end_of_line)
   Call: (226) [system] char_type('I', space)
   Call: (226) [system] char_type('I', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _19826)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (224) [system] 'I'=')'
   Call: (224) [system] 'I'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _23540)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _25398)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=(;)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _33866)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'='('
   Call: (225) [system] 'I'='['
   Call: (225) [system] 'I'='{'
   Call: (225) [system] 'I'='"'
   Call: (225) [system] 'I'=!
   Call: (225) [system] 'I'='\''
   Call: (225) [system] 'I'='`'
   Call: (225) [system] 'I'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _23540)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _44084)
   Call: (227) [system] peek_char((0x56051b6b4f40), _45018)
   Exit: (227) [system] peek_char((0x56051b6b4f40), m)
^  Call: (227) [user] is_delimiter(m)
   Call: (228) [system] char_type(m, space)
   Call: (228) [system] arg(_48810, v('(', ')', end_of_file), m)
   Call: (227) [system] ')'==m
   Call: (227) [system] get_char((0x56051b6b4f40), m)
   Exit: (227) [system] get_char((0x56051b6b4f40), m)
   Call: (227) [system] m=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _53380)
   Call: (228) [system] peek_char((0x56051b6b4f40), _54314)
   Exit: (228) [system] peek_char((0x56051b6b4f40), p)
^  Call: (228) [user] is_delimiter(p)
   Call: (229) [system] char_type(p, space)
   Call: (229) [system] arg(_58106, v('(', ')', end_of_file), p)
   Call: (228) [system] ')'==p
   Call: (228) [system] get_char((0x56051b6b4f40), p)
   Exit: (228) [system] get_char((0x56051b6b4f40), p)
   Call: (228) [system] p=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _62676)
   Call: (229) [system] peek_char((0x56051b6b4f40), _63610)
   Exit: (229) [system] peek_char((0x56051b6b4f40), l)
^  Call: (229) [user] is_delimiter(l)
   Call: (230) [system] char_type(l, space)
   Call: (230) [system] arg(_67402, v('(', ')', end_of_file), l)
   Call: (229) [system] ')'==l
   Call: (229) [system] get_char((0x56051b6b4f40), l)
   Exit: (229) [system] get_char((0x56051b6b4f40), l)
   Call: (229) [system] l=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _71972)
   Call: (230) [system] peek_char((0x56051b6b4f40), _72906)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_76698, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _81268)
   Call: (231) [system] peek_char((0x56051b6b4f40), _82202)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_85994, v('(', ')', end_of_file), c)
   Call: (231) [system] ')'==c
   Call: (231) [system] get_char((0x56051b6b4f40), c)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _90564)
   Call: (232) [system] peek_char((0x56051b6b4f40), _91498)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
^  Call: (232) [user] is_delimiter(a)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] arg(_95290, v('(', ')', end_of_file), a)
   Call: (232) [system] ')'==a
   Call: (232) [system] get_char((0x56051b6b4f40), a)
   Exit: (232) [system] get_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _99860)
   Call: (233) [system] peek_char((0x56051b6b4f40), _100794)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_104586, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _109156)
   Call: (234) [system] peek_char((0x56051b6b4f40), _110090)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_113882, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _118452)
   Call: (235) [system] peek_char((0x56051b6b4f40), _119386)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_123178, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _127748)
   Call: (236) [system] peek_char((0x56051b6b4f40), _128682)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_132474, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _137044)
   Call: (237) [system] peek_char((0x56051b6b4f40), _137978)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _137044=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _127748=[n]
   Exit: (236) [system] [n]=[n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (235) [system] _118452=[o, n]
   Exit: (235) [system] [o, n]=[o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (234) [system] _109156=[i, o, n]
   Exit: (234) [system] [i, o, n]=[i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (233) [system] _99860=[t, i, o, n]
   Exit: (233) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (232) [system] _90564=[a, t, i, o, n]
   Exit: (232) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (231) [system] _81268=[c, a, t, i, o, n]
   Exit: (231) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (230) [system] _71972=[i, c, a, t, i, o, n]
   Exit: (230) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (229) [system] _62676=[l, i, c, a, t, i, o, n]
   Exit: (229) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (228) [system] _53380=[p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (227) [system] _44084=[m, p, l, i, c, a, t, i, o, n]
   Exit: (227) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _23540)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_175228, _175230), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _23540), _175204, fail)), '$restore_trace'(_175228, _175230))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_175228, _175230))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _23540), _175204, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_23540)
   Call: (227) [system] atom_chars(_23540, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (227) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _183680)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _185538)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _192348)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _195052)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _204444)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _208158)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _210016)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _218484)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _208158)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _224054)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _232522)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _236236)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _238094)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _246562)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _236236)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256780)
   Call: (230) [system] peek_char((0x56051b6b4f40), _257714)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_261506, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _266076)
   Call: (231) [system] peek_char((0x56051b6b4f40), _267010)
   Exit: (231) [system] peek_char((0x56051b6b4f40), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_270802, v('(', ')', end_of_file), d)
   Call: (231) [system] ')'==d
   Call: (231) [system] get_char((0x56051b6b4f40), d)
   Exit: (231) [system] get_char((0x56051b6b4f40), d)
   Call: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _275372)
   Call: (232) [system] peek_char((0x56051b6b4f40), _276306)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_280098, v('(', ')', end_of_file), 'L')
   Call: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (232) [system] get_char((0x56051b6b4f40), 'L')
   Call: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _284668)
   Call: (233) [system] peek_char((0x56051b6b4f40), _285602)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_289394, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293964)
   Call: (234) [system] peek_char((0x56051b6b4f40), _294898)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_298690, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _303260)
   Call: (235) [system] peek_char((0x56051b6b4f40), _304194)
   Exit: (235) [system] peek_char((0x56051b6b4f40), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_307986, v('(', ')', end_of_file), k)
   Call: (235) [system] ')'==k
   Call: (235) [system] get_char((0x56051b6b4f40), k)
   Exit: (235) [system] get_char((0x56051b6b4f40), k)
   Call: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _312556)
   Call: (236) [system] peek_char((0x56051b6b4f40), _313490)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _312556=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _303260=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (234) [system] _293964=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (233) [system] _284668=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (232) [system] _275372=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (231) [system] _266076=[d, 'L', i, n, k]
   Exit: (231) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (230) [system] _256780=[n, d, 'L', i, n, k]
   Exit: (230) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _236236)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_339564, _339566), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _236236), _339540, fail)), '$restore_trace'(_339564, _339566))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_339564, _339566))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _236236), _339540, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_236236)
   Call: (230) [system] atom_chars(_236236, ['A', n, d, 'L', i, n, k])
   Exit: (230) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _348016)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _349874)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _356684)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _359388)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=(;)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _368780)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=')'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _372494)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _374352)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=(;)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _382820)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'='('
   Call: (229) [system] 'A'='['
   Call: (229) [system] 'A'='{'
   Call: (229) [system] 'A'='"'
   Call: (229) [system] 'A'=!
   Call: (229) [system] 'A'='\''
   Call: (229) [system] 'A'='`'
   Call: (229) [system] 'A'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _372494)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _393038)
   Call: (231) [system] peek_char((0x56051b6b4f40), _393972)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _393038=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('A', [], _372494)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_403282, _403284), once(user:catch(read_from_chars(['A'], _372494), _403258, fail)), '$restore_trace'(_403282, _403284))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_403282, _403284))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _372494), _403258, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_372494)
   Call: (231) [system] atom_chars(_372494, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _411734)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _413592)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _420402)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _423106)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'=(;)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _432498)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'=')'
   Call: (229) [system] 'B'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _436212)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _438070)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'=(;)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _446538)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'='('
   Call: (230) [system] 'B'='['
   Call: (230) [system] 'B'='{'
   Call: (230) [system] 'B'='"'
   Call: (230) [system] 'B'=!
   Call: (230) [system] 'B'='\''
   Call: (230) [system] 'B'='`'
   Call: (230) [system] 'B'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _436212)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _456756)
   Call: (232) [system] peek_char((0x56051b6b4f40), _457690)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_461482, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _456756=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('B', [], _436212)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_467944, _467946), once(user:catch(read_from_chars(['B'], _436212), _467920, fail)), '$restore_trace'(_467944, _467946))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_467944, _467946))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _436212), _467920, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_436212)
   Call: (232) [system] atom_chars(_436212, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _476396)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _478254)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _486722)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _490512)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _476396=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _411734=['B']
   Exit: (229) [system] ['B']=['B']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (228) [system] _348016=['A', 'B']
   Exit: (228) [system] ['A', 'B']=['A', 'B']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (227) [system] _208158=['AndLink', 'A', 'B']
   Exit: (227) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _504394)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _506252)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _513062)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _515766)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=(;)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _525158)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=')'
   Call: (226) [system] 'C'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _528872)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _530730)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=(;)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _539198)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'='('
   Call: (227) [system] 'C'='['
   Call: (227) [system] 'C'='{'
   Call: (227) [system] 'C'='"'
   Call: (227) [system] 'C'=!
   Call: (227) [system] 'C'='\''
   Call: (227) [system] 'C'='`'
   Call: (227) [system] 'C'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _528872)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _549416)
   Call: (229) [system] peek_char((0x56051b6b4f40), _550350)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (229) [user] is_delimiter(')')
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] arg(_554142, v('(', ')', end_of_file), ')')
   Exit: (230) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (229) [user] is_delimiter(')')
   Call: (229) [system] _549416=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq('C', [], _528872)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_560604, _560606), once(user:catch(read_from_chars(['C'], _528872), _560580, fail)), '$restore_trace'(_560604, _560606))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_560604, _560606))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _528872), _560580, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_528872)
   Call: (229) [system] atom_chars(_528872, ['C'])
   Exit: (229) [system] atom_chars('C', ['C'])
^  Exit: (228) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _569056)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _570914)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _579382)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _583172)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _569056=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _504394=['C']
   Exit: (226) [system] ['C']=['C']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (225) [system] _183680=[['AndLink', 'A', 'B'], 'C']
   Exit: (225) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (224) [system] _7214=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (224) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _597054)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _598912)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _605722)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _608426)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _617818)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _621532)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _623390)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _631858)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _621532)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _637428)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=(;)
^  Call: (226) [user] is_like_space('A')
   Call: (227) [system] char_type('A', 'white')
   Call: (227) [system] char_type('A', end_of_line)
   Call: (227) [system] char_type('A', space)
   Call: (227) [system] char_type('A', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _645896)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (225) [system] 'A'=')'
   Call: (225) [system] 'A'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _649610)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _651468)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _659936)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'='('
   Call: (226) [system] 'A'='['
   Call: (226) [system] 'A'='{'
   Call: (226) [system] 'A'='"'
   Call: (226) [system] 'A'=!
   Call: (226) [system] 'A'='\''
   Call: (226) [system] 'A'='`'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _649610)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _670154)
   Call: (228) [system] peek_char((0x56051b6b4f40), _671088)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_674880, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _679450)
   Call: (229) [system] peek_char((0x56051b6b4f40), _680384)
   Exit: (229) [system] peek_char((0x56051b6b4f40), d)
^  Call: (229) [user] is_delimiter(d)
   Call: (230) [system] char_type(d, space)
   Call: (230) [system] arg(_684176, v('(', ')', end_of_file), d)
   Call: (229) [system] ')'==d
   Call: (229) [system] get_char((0x56051b6b4f40), d)
   Exit: (229) [system] get_char((0x56051b6b4f40), d)
   Call: (229) [system] d=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _688746)
   Call: (230) [system] peek_char((0x56051b6b4f40), _689680)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_693472, v('(', ')', end_of_file), 'L')
   Call: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (230) [system] get_char((0x56051b6b4f40), 'L')
   Call: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _698042)
   Call: (231) [system] peek_char((0x56051b6b4f40), _698976)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_702768, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _707338)
   Call: (232) [system] peek_char((0x56051b6b4f40), _708272)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_712064, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _716634)
   Call: (233) [system] peek_char((0x56051b6b4f40), _717568)
   Exit: (233) [system] peek_char((0x56051b6b4f40), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_721360, v('(', ')', end_of_file), k)
   Call: (233) [system] ')'==k
   Call: (233) [system] get_char((0x56051b6b4f40), k)
   Exit: (233) [system] get_char((0x56051b6b4f40), k)
   Call: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _725930)
   Call: (234) [system] peek_char((0x56051b6b4f40), _726864)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _725930=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _716634=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (232) [system] _707338=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (231) [system] _698042=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (230) [system] _688746=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (229) [system] _679450=[d, 'L', i, n, k]
   Exit: (229) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (228) [system] _670154=[n, d, 'L', i, n, k]
   Exit: (228) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _649610)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_752938, _752940), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _649610), _752914, fail)), '$restore_trace'(_752938, _752940))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_752938, _752940))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _649610), _752914, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_649610)
   Call: (228) [system] atom_chars(_649610, ['A', n, d, 'L', i, n, k])
   Exit: (228) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _761390)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _763248)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _770058)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _772762)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _782154)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _785868)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _787726)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _796194)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _785868)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _801764)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=(;)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _810232)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=')'
   Call: (228) [system] 'I'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _813946)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _815804)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'=(;)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _824272)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'='('
   Call: (229) [system] 'I'='['
   Call: (229) [system] 'I'='{'
   Call: (229) [system] 'I'='"'
   Call: (229) [system] 'I'=!
   Call: (229) [system] 'I'='\''
   Call: (229) [system] 'I'='`'
   Call: (229) [system] 'I'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _813946)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _834490)
   Call: (231) [system] peek_char((0x56051b6b4f40), _835424)
   Exit: (231) [system] peek_char((0x56051b6b4f40), m)
^  Call: (231) [user] is_delimiter(m)
   Call: (232) [system] char_type(m, space)
   Call: (232) [system] arg(_839216, v('(', ')', end_of_file), m)
   Call: (231) [system] ')'==m
   Call: (231) [system] get_char((0x56051b6b4f40), m)
   Exit: (231) [system] get_char((0x56051b6b4f40), m)
   Call: (231) [system] m=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _843786)
   Call: (232) [system] peek_char((0x56051b6b4f40), _844720)
   Exit: (232) [system] peek_char((0x56051b6b4f40), p)
^  Call: (232) [user] is_delimiter(p)
   Call: (233) [system] char_type(p, space)
   Call: (233) [system] arg(_848512, v('(', ')', end_of_file), p)
   Call: (232) [system] ')'==p
   Call: (232) [system] get_char((0x56051b6b4f40), p)
   Exit: (232) [system] get_char((0x56051b6b4f40), p)
   Call: (232) [system] p=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _853082)
   Call: (233) [system] peek_char((0x56051b6b4f40), _854016)
   Exit: (233) [system] peek_char((0x56051b6b4f40), l)
^  Call: (233) [user] is_delimiter(l)
   Call: (234) [system] char_type(l, space)
   Call: (234) [system] arg(_857808, v('(', ')', end_of_file), l)
   Call: (233) [system] ')'==l
   Call: (233) [system] get_char((0x56051b6b4f40), l)
   Exit: (233) [system] get_char((0x56051b6b4f40), l)
   Call: (233) [system] l=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _862378)
   Call: (234) [system] peek_char((0x56051b6b4f40), _863312)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_867104, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _871674)
   Call: (235) [system] peek_char((0x56051b6b4f40), _872608)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_876400, v('(', ')', end_of_file), c)
   Call: (235) [system] ')'==c
   Call: (235) [system] get_char((0x56051b6b4f40), c)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _880970)
   Call: (236) [system] peek_char((0x56051b6b4f40), _881904)
   Exit: (236) [system] peek_char((0x56051b6b4f40), a)
^  Call: (236) [user] is_delimiter(a)
   Call: (237) [system] char_type(a, space)
   Call: (237) [system] arg(_885696, v('(', ')', end_of_file), a)
   Call: (236) [system] ')'==a
   Call: (236) [system] get_char((0x56051b6b4f40), a)
   Exit: (236) [system] get_char((0x56051b6b4f40), a)
   Call: (236) [system] a=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _890266)
   Call: (237) [system] peek_char((0x56051b6b4f40), _891200)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_894992, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _899562)
   Call: (238) [system] peek_char((0x56051b6b4f40), _900496)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_904288, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _908858)
   Call: (239) [system] peek_char((0x56051b6b4f40), _909792)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_913584, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _918154)
   Call: (240) [system] peek_char((0x56051b6b4f40), _919088)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_922880, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _927450)
   Call: (241) [system] peek_char((0x56051b6b4f40), _928384)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _927450=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _918154=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (239) [system] _908858=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (238) [system] _899562=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (237) [system] _890266=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (236) [system] _880970=[a, t, i, o, n]
   Exit: (236) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (235) [system] _871674=[c, a, t, i, o, n]
   Exit: (235) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (234) [system] _862378=[i, c, a, t, i, o, n]
   Exit: (234) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (233) [system] _853082=[l, i, c, a, t, i, o, n]
   Exit: (233) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (232) [system] _843786=[p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (231) [system] _834490=[m, p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _813946)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_965634, _965636), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _813946), _965610, fail)), '$restore_trace'(_965634, _965636))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_965634, _965636))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _813946), _965610, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_813946)
   Call: (231) [system] atom_chars(_813946, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (231) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _974086)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _975944)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _982754)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _985458)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _994850)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _998564)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1000422)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1008890)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _998564)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1014460)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1022928)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1026642)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1028500)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1036968)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1026642)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1047186)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1048120)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1051912, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1056482)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1057416)
   Exit: (235) [system] peek_char((0x56051b6b4f40), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_1061208, v('(', ')', end_of_file), d)
   Call: (235) [system] ')'==d
   Call: (235) [system] get_char((0x56051b6b4f40), d)
   Exit: (235) [system] get_char((0x56051b6b4f40), d)
   Call: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1065778)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1066712)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (236) [user] is_delimiter('L')
   Call: (237) [system] char_type('L', space)
   Call: (237) [system] arg(_1070504, v('(', ')', end_of_file), 'L')
   Call: (236) [system] ')'=='L'
   Call: (236) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (236) [system] get_char((0x56051b6b4f40), 'L')
   Call: (236) [system] 'L'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1075074)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1076008)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1079800, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1084370)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1085304)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1089096, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1093666)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1094600)
   Exit: (239) [system] peek_char((0x56051b6b4f40), k)
^  Call: (239) [user] is_delimiter(k)
   Call: (240) [system] char_type(k, space)
   Call: (240) [system] arg(_1098392, v('(', ')', end_of_file), k)
   Call: (239) [system] ')'==k
   Call: (239) [system] get_char((0x56051b6b4f40), k)
   Exit: (239) [system] get_char((0x56051b6b4f40), k)
   Call: (239) [system] k=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1102962)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1103896)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1102962=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _1093666=[k]
   Exit: (239) [system] [k]=[k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (238) [system] _1084370=[n, k]
   Exit: (238) [system] [n, k]=[n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (237) [system] _1075074=[i, n, k]
   Exit: (237) [system] [i, n, k]=[i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (236) [system] _1065778=['L', i, n, k]
   Exit: (236) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (235) [system] _1056482=[d, 'L', i, n, k]
   Exit: (235) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (234) [system] _1047186=[n, d, 'L', i, n, k]
   Exit: (234) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (233) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1026642)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1129970, _1129972), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1026642), _1129946, fail)), '$restore_trace'(_1129970, _1129972))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1129970, _1129972))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1026642), _1129946, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1026642)
   Call: (234) [system] atom_chars(_1026642, ['A', n, d, 'L', i, n, k])
   Exit: (234) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1138422)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1140280)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1147090)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1149794)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1159186)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=')'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1162900)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1164758)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1173226)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'='('
   Call: (233) [system] 'A'='['
   Call: (233) [system] 'A'='{'
   Call: (233) [system] 'A'='"'
   Call: (233) [system] 'A'=!
   Call: (233) [system] 'A'='\''
   Call: (233) [system] 'A'='`'
   Call: (233) [system] 'A'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1162900)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1183444)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1184378)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1183444=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq('A', [], _1162900)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1193688, _1193690), once(user:catch(read_from_chars(['A'], _1162900), _1193664, fail)), '$restore_trace'(_1193688, _1193690))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1193688, _1193690))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1162900), _1193664, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1162900)
   Call: (235) [system] atom_chars(_1162900, ['A'])
   Exit: (235) [system] atom_chars('A', ['A'])
^  Exit: (234) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1202140)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1203998)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1210808)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1213512)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (235) [system] 'B'=(;)
^  Call: (235) [user] is_like_space('B')
   Call: (236) [system] char_type('B', 'white')
   Call: (236) [system] char_type('B', end_of_line)
   Call: (236) [system] char_type('B', space)
   Call: (236) [system] char_type('B', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1222904)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'=')'
   Call: (233) [system] 'B'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1226618)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1228476)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (235) [system] 'B'=(;)
^  Call: (235) [user] is_like_space('B')
   Call: (236) [system] char_type('B', 'white')
   Call: (236) [system] char_type('B', end_of_line)
   Call: (236) [system] char_type('B', space)
   Call: (236) [system] char_type('B', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1236944)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'='('
   Call: (234) [system] 'B'='['
   Call: (234) [system] 'B'='{'
   Call: (234) [system] 'B'='"'
   Call: (234) [system] 'B'=!
   Call: (234) [system] 'B'='\''
   Call: (234) [system] 'B'='`'
   Call: (234) [system] 'B'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1226618)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1247162)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1248096)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_1251888, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _1247162=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq('B', [], _1226618)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1258350, _1258352), once(user:catch(read_from_chars(['B'], _1226618), _1258326, fail)), '$restore_trace'(_1258350, _1258352))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1258350, _1258352))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1226618), _1258326, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1226618)
   Call: (236) [system] atom_chars(_1226618, ['B'])
   Exit: (236) [system] atom_chars('B', ['B'])
^  Exit: (235) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1266802)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1268660)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1277128)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _1280918)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _1266802=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1202140=['B']
   Exit: (233) [system] ['B']=['B']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (232) [system] _1138422=['A', 'B']
   Exit: (232) [system] ['A', 'B']=['A', 'B']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (231) [system] _998564=['AndLink', 'A', 'B']
   Exit: (231) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1294800)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1296658)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1303468)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1306172)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'=(;)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1315564)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=')'
   Call: (230) [system] 'C'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1319278)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1321136)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'=(;)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1329604)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'='('
   Call: (231) [system] 'C'='['
   Call: (231) [system] 'C'='{'
   Call: (231) [system] 'C'='"'
   Call: (231) [system] 'C'=!
   Call: (231) [system] 'C'='\''
   Call: (231) [system] 'C'='`'
   Call: (231) [system] 'C'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1319278)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1339822)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1340756)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1344548, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1339822=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('C', [], _1319278)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1351010, _1351012), once(user:catch(read_from_chars(['C'], _1319278), _1350986, fail)), '$restore_trace'(_1351010, _1351012))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1351010, _1351012))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1319278), _1350986, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1319278)
   Call: (233) [system] atom_chars(_1319278, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1359462)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1361320)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1369788)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _1373578)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _1359462=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1294800=['C']
   Exit: (230) [system] ['C']=['C']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (229) [system] _974086=[['AndLink', 'A', 'B'], 'C']
   Exit: (229) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (228) [system] _785868=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1387460)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1389318)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1396128)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1398832)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1408224)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1411938)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1413796)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1422264)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1411938)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1427834)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'=(;)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1436302)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=')'
   Call: (229) [system] 'I'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1440016)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1441874)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'=(;)
^  Call: (231) [user] is_like_space('I')
   Call: (232) [system] char_type('I', 'white')
   Call: (232) [system] char_type('I', end_of_line)
   Call: (232) [system] char_type('I', space)
   Call: (232) [system] char_type('I', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1450342)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'='('
   Call: (230) [system] 'I'='['
   Call: (230) [system] 'I'='{'
   Call: (230) [system] 'I'='"'
   Call: (230) [system] 'I'=!
   Call: (230) [system] 'I'='\''
   Call: (230) [system] 'I'='`'
   Call: (230) [system] 'I'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1440016)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1460560)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1461494)
   Exit: (232) [system] peek_char((0x56051b6b4f40), m)
^  Call: (232) [user] is_delimiter(m)
   Call: (233) [system] char_type(m, space)
   Call: (233) [system] arg(_1465286, v('(', ')', end_of_file), m)
   Call: (232) [system] ')'==m
   Call: (232) [system] get_char((0x56051b6b4f40), m)
   Exit: (232) [system] get_char((0x56051b6b4f40), m)
   Call: (232) [system] m=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1469856)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1470790)
   Exit: (233) [system] peek_char((0x56051b6b4f40), p)
^  Call: (233) [user] is_delimiter(p)
   Call: (234) [system] char_type(p, space)
   Call: (234) [system] arg(_1474582, v('(', ')', end_of_file), p)
   Call: (233) [system] ')'==p
   Call: (233) [system] get_char((0x56051b6b4f40), p)
   Exit: (233) [system] get_char((0x56051b6b4f40), p)
   Call: (233) [system] p=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1479152)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1480086)
   Exit: (234) [system] peek_char((0x56051b6b4f40), l)
^  Call: (234) [user] is_delimiter(l)
   Call: (235) [system] char_type(l, space)
   Call: (235) [system] arg(_1483878, v('(', ')', end_of_file), l)
   Call: (234) [system] ')'==l
   Call: (234) [system] get_char((0x56051b6b4f40), l)
   Exit: (234) [system] get_char((0x56051b6b4f40), l)
   Call: (234) [system] l=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1488448)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1489382)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1493174, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1497744)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1498678)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1502470, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1507040)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1507974)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
^  Call: (237) [user] is_delimiter(a)
   Call: (238) [system] char_type(a, space)
   Call: (238) [system] arg(_1511766, v('(', ')', end_of_file), a)
   Call: (237) [system] ')'==a
   Call: (237) [system] get_char((0x56051b6b4f40), a)
   Exit: (237) [system] get_char((0x56051b6b4f40), a)
   Call: (237) [system] a=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1516336)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1517270)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1521062, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1525632)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1526566)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1530358, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1534928)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1535862)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1539654, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1544224)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1545158)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1548950, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1553520)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1554454)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1553520=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (241) [system] _1544224=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (240) [system] _1534928=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (239) [system] _1525632=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (238) [system] _1516336=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (237) [system] _1507040=[a, t, i, o, n]
   Exit: (237) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (236) [system] _1497744=[c, a, t, i, o, n]
   Exit: (236) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (235) [system] _1488448=[i, c, a, t, i, o, n]
   Exit: (235) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (234) [system] _1479152=[l, i, c, a, t, i, o, n]
   Exit: (234) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (233) [system] _1469856=[p, l, i, c, a, t, i, o, n]
   Exit: (233) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (232) [system] _1460560=[m, p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1440016)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1591704, _1591706), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1440016), _1591680, fail)), '$restore_trace'(_1591704, _1591706))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1591704, _1591706))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1440016), _1591680, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1440016)
   Call: (232) [system] atom_chars(_1440016, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (232) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1600156)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1602014)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1608824)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1611528)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1620920)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1624634)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1626492)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1634960)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1624634)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1640530)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (233) [system] 'O'=(;)
^  Call: (233) [user] is_like_space('O')
   Call: (234) [system] char_type('O', 'white')
   Call: (234) [system] char_type('O', end_of_line)
   Call: (234) [system] char_type('O', space)
   Call: (234) [system] char_type('O', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1648998)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (232) [system] 'O'=')'
   Call: (232) [system] 'O'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1652712)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1654570)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (234) [system] 'O'=(;)
^  Call: (234) [user] is_like_space('O')
   Call: (235) [system] char_type('O', 'white')
   Call: (235) [system] char_type('O', end_of_line)
   Call: (235) [system] char_type('O', space)
   Call: (235) [system] char_type('O', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1663038)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'O')
   Call: (233) [system] 'O'='('
   Call: (233) [system] 'O'='['
   Call: (233) [system] 'O'='{'
   Call: (233) [system] 'O'='"'
   Call: (233) [system] 'O'=!
   Call: (233) [system] 'O'='\''
   Call: (233) [system] 'O'='`'
   Call: (233) [system] 'O'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1652712)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1673256)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1674190)
   Exit: (235) [system] peek_char((0x56051b6b4f40), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_1677982, v('(', ')', end_of_file), r)
   Call: (235) [system] ')'==r
   Call: (235) [system] get_char((0x56051b6b4f40), r)
   Exit: (235) [system] get_char((0x56051b6b4f40), r)
   Call: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1682552)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1683486)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (236) [user] is_delimiter('L')
   Call: (237) [system] char_type('L', space)
   Call: (237) [system] arg(_1687278, v('(', ')', end_of_file), 'L')
   Call: (236) [system] ')'=='L'
   Call: (236) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (236) [system] get_char((0x56051b6b4f40), 'L')
   Call: (236) [system] 'L'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1691848)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1692782)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1696574, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1701144)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1702078)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1705870, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1710440)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1711374)
   Exit: (239) [system] peek_char((0x56051b6b4f40), k)
^  Call: (239) [user] is_delimiter(k)
   Call: (240) [system] char_type(k, space)
   Call: (240) [system] arg(_1715166, v('(', ')', end_of_file), k)
   Call: (239) [system] ')'==k
   Call: (239) [system] get_char((0x56051b6b4f40), k)
   Exit: (239) [system] get_char((0x56051b6b4f40), k)
   Call: (239) [system] k=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1719736)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1720670)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1719736=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _1710440=[k]
   Exit: (239) [system] [k]=[k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (238) [system] _1701144=[n, k]
   Exit: (238) [system] [n, k]=[n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (237) [system] _1691848=[i, n, k]
   Exit: (237) [system] [i, n, k]=[i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (236) [system] _1682552=['L', i, n, k]
   Exit: (236) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (235) [system] _1673256=[r, 'L', i, n, k]
   Exit: (235) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (234) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1652712)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1743950, _1743952), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1652712), _1743926, fail)), '$restore_trace'(_1743950, _1743952))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1743950, _1743952))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1652712), _1743926, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1652712)
   Call: (235) [system] atom_chars(_1652712, ['O', r, 'L', i, n, k])
   Exit: (235) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (234) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1752402)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1754260)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1761070)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1763774)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1773166)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=')'
   Call: (233) [system] 'C'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1776880)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1778738)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1787206)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'='('
   Call: (234) [system] 'C'='['
   Call: (234) [system] 'C'='{'
   Call: (234) [system] 'C'='"'
   Call: (234) [system] 'C'=!
   Call: (234) [system] 'C'='\''
   Call: (234) [system] 'C'='`'
   Call: (234) [system] 'C'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1776880)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1797424)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1798358)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1797424=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq('C', [], _1776880)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1807668, _1807670), once(user:catch(read_from_chars(['C'], _1776880), _1807644, fail)), '$restore_trace'(_1807668, _1807670))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1807668, _1807670))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1776880), _1807644, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1776880)
   Call: (236) [system] atom_chars(_1776880, ['C'])
   Exit: (236) [system] atom_chars('C', ['C'])
^  Exit: (235) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1816120)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1817978)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _1824788)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1827492)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (236) [system] 'D'=(;)
^  Call: (236) [user] is_like_space('D')
   Call: (237) [system] char_type('D', 'white')
   Call: (237) [system] char_type('D', end_of_line)
   Call: (237) [system] char_type('D', space)
   Call: (237) [system] char_type('D', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1836884)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (234) [system] 'D'=')'
   Call: (234) [system] 'D'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1840598)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1842456)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (236) [system] 'D'=(;)
^  Call: (236) [user] is_like_space('D')
   Call: (237) [system] char_type('D', 'white')
   Call: (237) [system] char_type('D', end_of_line)
   Call: (237) [system] char_type('D', space)
   Call: (237) [system] char_type('D', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1850924)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'D')
   Call: (235) [system] 'D'='('
   Call: (235) [system] 'D'='['
   Call: (235) [system] 'D'='{'
   Call: (235) [system] 'D'='"'
   Call: (235) [system] 'D'=!
   Call: (235) [system] 'D'='\''
   Call: (235) [system] 'D'='`'
   Call: (235) [system] 'D'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1840598)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1861142)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1862076)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_1865868, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _1861142=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (236) [user] classify_and_convert_charseq('D', [], _1840598)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1872330, _1872332), once(user:catch(read_from_chars(['D'], _1840598), _1872306, fail)), '$restore_trace'(_1872330, _1872332))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1872330, _1872332))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1840598), _1872306, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_1840598)
   Call: (237) [system] atom_chars(_1840598, ['D'])
   Exit: (237) [system] atom_chars('D', ['D'])
^  Exit: (236) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1880782)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1882640)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1891108)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x56051b6b4f40), _1894898)
   Exit: (235) [system] get_char((0x56051b6b4f40), ')')
   Call: (235) [system] _1880782=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (234) [system] _1816120=['D']
   Exit: (234) [system] ['D']=['D']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (233) [system] _1752402=['C', 'D']
   Exit: (233) [system] ['C', 'D']=['C', 'D']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (232) [system] _1624634=['OrLink', 'C', 'D']
   Exit: (232) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1908780)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1910638)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1917448)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1920152)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (233) [system] 'E'=(;)
^  Call: (233) [user] is_like_space('E')
   Call: (234) [system] char_type('E', 'white')
   Call: (234) [system] char_type('E', end_of_line)
   Call: (234) [system] char_type('E', space)
   Call: (234) [system] char_type('E', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1929544)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (231) [system] 'E'=')'
   Call: (231) [system] 'E'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1933258)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1935116)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (233) [system] 'E'=(;)
^  Call: (233) [user] is_like_space('E')
   Call: (234) [system] char_type('E', 'white')
   Call: (234) [system] char_type('E', end_of_line)
   Call: (234) [system] char_type('E', space)
   Call: (234) [system] char_type('E', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1943584)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'E')
   Call: (232) [system] 'E'='('
   Call: (232) [system] 'E'='['
   Call: (232) [system] 'E'='{'
   Call: (232) [system] 'E'='"'
   Call: (232) [system] 'E'=!
   Call: (232) [system] 'E'='\''
   Call: (232) [system] 'E'='`'
   Call: (232) [system] 'E'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1933258)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1953802)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1954736)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1958528, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1953802=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('E', [], _1933258)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1964990, _1964992), once(user:catch(read_from_chars(['E'], _1933258), _1964966, fail)), '$restore_trace'(_1964990, _1964992))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1964990, _1964992))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1933258), _1964966, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1933258)
   Call: (234) [system] atom_chars(_1933258, ['E'])
   Exit: (234) [system] atom_chars('E', ['E'])
^  Exit: (233) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1973442)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1975300)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1983768)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _1987558)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _1973442=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _1908780=['E']
   Exit: (231) [system] ['E']=['E']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (230) [system] _1600156=[['OrLink', 'C', 'D'], 'E']
   Exit: (230) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (229) [system] _1411938=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (229) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _2001440)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _2003298)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _2011766)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _2015556)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _2001440=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1387460=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (227) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (226) [system] _761390=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (226) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (225) [system] _621532=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (225) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _2029438)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _2031296)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _2039764)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _2043554)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _2029438=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _597054=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (223) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (222) [system] _7210=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (222) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (221) [system] _7202=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (221) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _2057436)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _2059294)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=(;)
^  Call: (221) [user] is_like_space(')')
   Call: (222) [system] char_type(')', 'white')
   Call: (222) [system] char_type(')', end_of_line)
   Call: (222) [system] char_type(')', space)
   Call: (222) [system] char_type(')', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _2067762)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ')')
   Call: (220) [system] ')'=')'
   Exit: (220) [system] ')'=')'
   Call: (220) [system] get_char((0x56051b6b4f40), _2071552)
   Exit: (220) [system] get_char((0x56051b6b4f40), ')')
   Call: (220) [system] _2057436=[]
   Exit: (220) [system] []=[]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (219) [system] _7198=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (219) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (218) [system] _7156=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (218) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (217) [system] _7148=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (217) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (216) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (215) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (215) [user] read_list(')', (0x56051b6b4f40), _2085434)
^  Call: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _2087292)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (217) [system] '\n'=(;)
^  Call: (217) [user] is_like_space('\n')
   Call: (218) [system] char_type('\n', 'white')
   Call: (218) [system] char_type('\n', end_of_line)
   Exit: (218) [system] char_type('\n', end_of_line)
^  Exit: (217) [user] is_like_space('\n')
   Call: (217) [system] get_char((0x56051b6b4f40), _2094908)
   Exit: (217) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _8098)
   Exit: (218) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (218) [system] ' '=(;)
^  Call: (218) [user] is_like_space(' ')
   Call: (219) [system] char_type(' ', 'white')
   Exit: (219) [system] char_type(' ', 'white')
^  Exit: (218) [user] is_like_space(' ')
   Call: (218) [system] get_char((0x56051b6b4f40), _14908)
   Exit: (218) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _17612)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (216) [user] skip_spaces((0x56051b6b4f40))
   Call: (216) [system] peek_char((0x56051b6b4f40), _27928)
   Exit: (216) [system] peek_char((0x56051b6b4f40), '(')
   Call: (216) [system] '('=')'
   Call: (216) [system] '('=end_of_file
^  Call: (216) [user] cont_sexpr(')', (0x56051b6b4f40), _31642)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _33500)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=(;)
^  Call: (218) [user] is_like_space('(')
   Call: (219) [system] char_type('(', 'white')
   Call: (219) [system] char_type('(', end_of_line)
   Call: (219) [system] char_type('(', space)
   Call: (219) [system] char_type('(', cntrl)
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] get_char((0x56051b6b4f40), _41968)
   Exit: (217) [system] get_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('='('
   Exit: (217) [system] '('='('
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _31642)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _47538)
   Exit: (219) [system] peek_char((0x56051b6b4f40), :)
   Call: (219) [system] (:)=(;)
^  Call: (219) [user] is_like_space(:)
   Call: (220) [system] char_type(:, 'white')
   Call: (220) [system] char_type(:, end_of_line)
   Call: (220) [system] char_type(:, space)
   Call: (220) [system] char_type(:, cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _56006)
   Exit: (218) [system] peek_char((0x56051b6b4f40), :)
   Call: (218) [system] (:)=')'
   Call: (218) [system] (:)=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _59720)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _61578)
   Exit: (220) [system] peek_char((0x56051b6b4f40), :)
   Call: (220) [system] (:)=(;)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _70046)
   Exit: (219) [system] get_char((0x56051b6b4f40), :)
   Call: (219) [system] (:)='('
   Call: (219) [system] (:)='['
   Call: (219) [system] (:)='{'
   Call: (219) [system] (:)='"'
   Call: (219) [system] (:)=!
   Call: (219) [system] (:)='\''
   Call: (219) [system] (:)='`'
   Call: (219) [system] (:)=end_of_file
^  Call: (219) [user] read_symbolic(')', (0x56051b6b4f40), :, _59720)
^  Call: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), _80264)
   Call: (221) [system] peek_char((0x56051b6b4f40), _81198)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] is_delimiter(' ')
   Call: (222) [system] char_type(' ', space)
   Exit: (222) [system] char_type(' ', space)
^  Exit: (221) [user] is_delimiter(' ')
   Call: (221) [system] _80264=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (220) [user] classify_and_convert_charseq(:, [], _59720)
^  Call: (222) [system] setup_call_cleanup('$notrace'(_90508, _90510), once(user:catch(read_from_chars([:], _59720), _90484, fail)), '$restore_trace'(_90508, _90510))
^  Call: (223) [system] sig_atomic(system:'$notrace'(_90508, _90510))
^  Exit: (222) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _90484, fail)), system:'$restore_trace'(3, -1))
   Call: (221) [system] atomic(:)
   Exit: (221) [system] atomic(:)
^  Exit: (220) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (219) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _98008)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _99866)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _106676)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _109380)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _118772)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _122486)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _124344)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _132812)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _122486)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _138382)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'=(;)
^  Call: (222) [user] is_like_space('D')
   Call: (223) [system] char_type('D', 'white')
   Call: (223) [system] char_type('D', end_of_line)
   Call: (223) [system] char_type('D', space)
   Call: (223) [system] char_type('D', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _146850)
   Exit: (221) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (221) [system] 'D'=')'
   Call: (221) [system] 'D'=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _150564)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _152422)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _160890)
   Exit: (222) [system] get_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'='('
   Call: (222) [system] 'D'='['
   Call: (222) [system] 'D'='{'
   Call: (222) [system] 'D'='"'
   Call: (222) [system] 'D'=!
   Call: (222) [system] 'D'='\''
   Call: (222) [system] 'D'='`'
   Call: (222) [system] 'D'=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _150564)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _171108)
   Call: (224) [system] peek_char((0x56051b6b4f40), _172042)
   Exit: (224) [system] peek_char((0x56051b6b4f40), i)
^  Call: (224) [user] is_delimiter(i)
   Call: (225) [system] char_type(i, space)
   Call: (225) [system] arg(_175834, v('(', ')', end_of_file), i)
   Call: (224) [system] ')'==i
   Call: (224) [system] get_char((0x56051b6b4f40), i)
   Exit: (224) [system] get_char((0x56051b6b4f40), i)
   Call: (224) [system] i=(\)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _180404)
   Call: (225) [system] peek_char((0x56051b6b4f40), _181338)
   Exit: (225) [system] peek_char((0x56051b6b4f40), s)
^  Call: (225) [user] is_delimiter(s)
   Call: (226) [system] char_type(s, space)
   Call: (226) [system] arg(_185130, v('(', ')', end_of_file), s)
   Call: (225) [system] ')'==s
   Call: (225) [system] get_char((0x56051b6b4f40), s)
   Exit: (225) [system] get_char((0x56051b6b4f40), s)
   Call: (225) [system] s=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _189700)
   Call: (226) [system] peek_char((0x56051b6b4f40), _190634)
   Exit: (226) [system] peek_char((0x56051b6b4f40), j)
^  Call: (226) [user] is_delimiter(j)
   Call: (227) [system] char_type(j, space)
   Call: (227) [system] arg(_194426, v('(', ')', end_of_file), j)
   Call: (226) [system] ')'==j
   Call: (226) [system] get_char((0x56051b6b4f40), j)
   Exit: (226) [system] get_char((0x56051b6b4f40), j)
   Call: (226) [system] j=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _198996)
   Call: (227) [system] peek_char((0x56051b6b4f40), _199930)
   Exit: (227) [system] peek_char((0x56051b6b4f40), u)
^  Call: (227) [user] is_delimiter(u)
   Call: (228) [system] char_type(u, space)
   Call: (228) [system] arg(_203722, v('(', ')', end_of_file), u)
   Call: (227) [system] ')'==u
   Call: (227) [system] get_char((0x56051b6b4f40), u)
   Exit: (227) [system] get_char((0x56051b6b4f40), u)
   Call: (227) [system] u=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _208292)
   Call: (228) [system] peek_char((0x56051b6b4f40), _209226)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_213018, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _217588)
   Call: (229) [system] peek_char((0x56051b6b4f40), _218522)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_222314, v('(', ')', end_of_file), c)
   Call: (229) [system] ')'==c
   Call: (229) [system] get_char((0x56051b6b4f40), c)
   Exit: (229) [system] get_char((0x56051b6b4f40), c)
   Call: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _226884)
   Call: (230) [system] peek_char((0x56051b6b4f40), _227818)
   Exit: (230) [system] peek_char((0x56051b6b4f40), t)
^  Call: (230) [user] is_delimiter(t)
   Call: (231) [system] char_type(t, space)
   Call: (231) [system] arg(_231610, v('(', ')', end_of_file), t)
   Call: (230) [system] ')'==t
   Call: (230) [system] get_char((0x56051b6b4f40), t)
   Exit: (230) [system] get_char((0x56051b6b4f40), t)
   Call: (230) [system] t=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _236180)
   Call: (231) [system] peek_char((0x56051b6b4f40), _237114)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_240906, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _245476)
   Call: (232) [system] peek_char((0x56051b6b4f40), _246410)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_250202, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _254772)
   Call: (233) [system] peek_char((0x56051b6b4f40), _255706)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_259498, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _264068)
   Call: (234) [system] peek_char((0x56051b6b4f40), _265002)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (234) [user] is_delimiter('I')
   Call: (235) [system] char_type('I', space)
   Call: (235) [system] arg(_268794, v('(', ')', end_of_file), 'I')
   Call: (234) [system] ')'=='I'
   Call: (234) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (234) [system] get_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _273364)
   Call: (235) [system] peek_char((0x56051b6b4f40), _274298)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_278090, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _282660)
   Call: (236) [system] peek_char((0x56051b6b4f40), _283594)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_287386, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _291956)
   Call: (237) [system] peek_char((0x56051b6b4f40), _292890)
   Exit: (237) [system] peek_char((0x56051b6b4f40), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_296682, v('(', ')', end_of_file), r)
   Call: (237) [system] ')'==r
   Call: (237) [system] get_char((0x56051b6b4f40), r)
   Exit: (237) [system] get_char((0x56051b6b4f40), r)
   Call: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _301252)
   Call: (238) [system] peek_char((0x56051b6b4f40), _302186)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_305978, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _310548)
   Call: (239) [system] peek_char((0x56051b6b4f40), _311482)
   Exit: (239) [system] peek_char((0x56051b6b4f40), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_315274, v('(', ')', end_of_file), d)
   Call: (239) [system] ')'==d
   Call: (239) [system] get_char((0x56051b6b4f40), d)
   Exit: (239) [system] get_char((0x56051b6b4f40), d)
   Call: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _319844)
   Call: (240) [system] peek_char((0x56051b6b4f40), _320778)
   Exit: (240) [system] peek_char((0x56051b6b4f40), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_324570, v('(', ')', end_of_file), u)
   Call: (240) [system] ')'==u
   Call: (240) [system] get_char((0x56051b6b4f40), u)
   Exit: (240) [system] get_char((0x56051b6b4f40), u)
   Call: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _329140)
   Call: (241) [system] peek_char((0x56051b6b4f40), _330074)
   Exit: (241) [system] peek_char((0x56051b6b4f40), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_333866, v('(', ')', end_of_file), c)
   Call: (241) [system] ')'==c
   Call: (241) [system] get_char((0x56051b6b4f40), c)
   Exit: (241) [system] get_char((0x56051b6b4f40), c)
   Call: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _338436)
   Call: (242) [system] peek_char((0x56051b6b4f40), _339370)
   Exit: (242) [system] peek_char((0x56051b6b4f40), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_343162, v('(', ')', end_of_file), t)
   Call: (242) [system] ')'==t
   Call: (242) [system] get_char((0x56051b6b4f40), t)
   Exit: (242) [system] get_char((0x56051b6b4f40), t)
   Call: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _347732)
   Call: (243) [system] peek_char((0x56051b6b4f40), _348666)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_352458, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _357028)
   Call: (244) [system] peek_char((0x56051b6b4f40), _357962)
   Exit: (244) [system] peek_char((0x56051b6b4f40), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_361754, v('(', ')', end_of_file), o)
   Call: (244) [system] ')'==o
   Call: (244) [system] get_char((0x56051b6b4f40), o)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _366324)
   Call: (245) [system] peek_char((0x56051b6b4f40), _367258)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_371050, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _375620)
   Call: (246) [system] peek_char((0x56051b6b4f40), _376554)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _375620=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (245) [system] _366324=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (244) [system] _357028=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (243) [system] _347732=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (242) [system] _338436=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (241) [system] _329140=[c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (240) [system] _319844=[u, c, t, i, o, n]
   Exit: (240) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (239) [system] _310548=[d, u, c, t, i, o, n]
   Exit: (239) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (238) [system] _301252=[o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (237) [system] _291956=[r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _282660=[t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _273364=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _264068=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _254772=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _245476=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _236180=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _226884=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _217588=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _208292=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _198996=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _189700=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _180404=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (224) [system] _171108=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (224) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (223) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _150564)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_447332, _447334), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _150564), _447308, fail)), '$restore_trace'(_447332, _447334))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_447332, _447334))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _150564), _447308, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(_150564)
   Call: (224) [system] atom_chars(_150564, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (224) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (223) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _455784)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _457642)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _464452)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _467156)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=(;)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _476548)
   Exit: (222) [system] peek_char((0x56051b6b4f40), a)
   Call: (222) [system] a=')'
   Call: (222) [system] a=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _480262)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _482120)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=(;)
^  Call: (224) [user] is_like_space(a)
   Call: (225) [system] char_type(a, 'white')
   Call: (225) [system] char_type(a, end_of_line)
   Call: (225) [system] char_type(a, space)
   Call: (225) [system] char_type(a, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _490588)
   Exit: (223) [system] get_char((0x56051b6b4f40), a)
   Call: (223) [system] a='('
   Call: (223) [system] a='['
   Call: (223) [system] a='{'
   Call: (223) [system] a='"'
   Call: (223) [system] a=!
   Call: (223) [system] a='\''
   Call: (223) [system] a='`'
   Call: (223) [system] a=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), a, _480262)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _500806)
   Call: (225) [system] peek_char((0x56051b6b4f40), _501740)
   Exit: (225) [system] peek_char((0x56051b6b4f40), b)
^  Call: (225) [user] is_delimiter(b)
   Call: (226) [system] char_type(b, space)
   Call: (226) [system] arg(_505532, v('(', ')', end_of_file), b)
   Call: (225) [system] ')'==b
   Call: (225) [system] get_char((0x56051b6b4f40), b)
   Exit: (225) [system] get_char((0x56051b6b4f40), b)
   Call: (225) [system] b=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _510102)
   Call: (226) [system] peek_char((0x56051b6b4f40), _511036)
   Exit: (226) [system] peek_char((0x56051b6b4f40), c)
^  Call: (226) [user] is_delimiter(c)
   Call: (227) [system] char_type(c, space)
   Call: (227) [system] arg(_514828, v('(', ')', end_of_file), c)
   Call: (226) [system] ')'==c
   Call: (226) [system] get_char((0x56051b6b4f40), c)
   Exit: (226) [system] get_char((0x56051b6b4f40), c)
   Call: (226) [system] c=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _519398)
   Call: (227) [system] peek_char((0x56051b6b4f40), _520332)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _519398=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (226) [system] _510102=[c]
   Exit: (226) [system] [c]=[c]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (225) [system] _500806=[b, c]
   Exit: (225) [system] [b, c]=[b, c]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (224) [user] classify_and_convert_charseq(a, [b, c], _480262)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_535230, _535232), once(user:catch(read_from_chars([a, b, c], _480262), _535206, fail)), '$restore_trace'(_535230, _535232))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_535230, _535232))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _535206, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(abc)
   Exit: (225) [system] atomic(abc)
^  Exit: (224) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _542730)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _544588)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _551398)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _554102)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _563494)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _567208)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _569066)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _577534)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _567208)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _583104)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=(;)
^  Call: (226) [user] is_like_space('C')
   Call: (227) [system] char_type('C', 'white')
   Call: (227) [system] char_type('C', end_of_line)
   Call: (227) [system] char_type('C', space)
   Call: (227) [system] char_type('C', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _591572)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (225) [system] 'C'=')'
   Call: (225) [system] 'C'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _595286)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _597144)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _605612)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'='('
   Call: (226) [system] 'C'='['
   Call: (226) [system] 'C'='{'
   Call: (226) [system] 'C'='"'
   Call: (226) [system] 'C'=!
   Call: (226) [system] 'C'='\''
   Call: (226) [system] 'C'='`'
   Call: (226) [system] 'C'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _595286)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _615830)
   Call: (228) [system] peek_char((0x56051b6b4f40), _616764)
   Exit: (228) [system] peek_char((0x56051b6b4f40), o)
^  Call: (228) [user] is_delimiter(o)
   Call: (229) [system] char_type(o, space)
   Call: (229) [system] arg(_620556, v('(', ')', end_of_file), o)
   Call: (228) [system] ')'==o
   Call: (228) [system] get_char((0x56051b6b4f40), o)
   Exit: (228) [system] get_char((0x56051b6b4f40), o)
   Call: (228) [system] o=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _625126)
   Call: (229) [system] peek_char((0x56051b6b4f40), _626060)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_629852, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _634422)
   Call: (230) [system] peek_char((0x56051b6b4f40), _635356)
   Exit: (230) [system] peek_char((0x56051b6b4f40), j)
^  Call: (230) [user] is_delimiter(j)
   Call: (231) [system] char_type(j, space)
   Call: (231) [system] arg(_639148, v('(', ')', end_of_file), j)
   Call: (230) [system] ')'==j
   Call: (230) [system] get_char((0x56051b6b4f40), j)
   Exit: (230) [system] get_char((0x56051b6b4f40), j)
   Call: (230) [system] j=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _643718)
   Call: (231) [system] peek_char((0x56051b6b4f40), _644652)
   Exit: (231) [system] peek_char((0x56051b6b4f40), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_648444, v('(', ')', end_of_file), u)
   Call: (231) [system] ')'==u
   Call: (231) [system] get_char((0x56051b6b4f40), u)
   Exit: (231) [system] get_char((0x56051b6b4f40), u)
   Call: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _653014)
   Call: (232) [system] peek_char((0x56051b6b4f40), _653948)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_657740, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _662310)
   Call: (233) [system] peek_char((0x56051b6b4f40), _663244)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_667036, v('(', ')', end_of_file), c)
   Call: (233) [system] ')'==c
   Call: (233) [system] get_char((0x56051b6b4f40), c)
   Exit: (233) [system] get_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _671606)
   Call: (234) [system] peek_char((0x56051b6b4f40), _672540)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_676332, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _680902)
   Call: (235) [system] peek_char((0x56051b6b4f40), _681836)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_685628, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _690198)
   Call: (236) [system] peek_char((0x56051b6b4f40), _691132)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_694924, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _699494)
   Call: (237) [system] peek_char((0x56051b6b4f40), _700428)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_704220, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _708790)
   Call: (238) [system] peek_char((0x56051b6b4f40), _709724)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (238) [user] is_delimiter('I')
   Call: (239) [system] char_type('I', space)
   Call: (239) [system] arg(_713516, v('(', ')', end_of_file), 'I')
   Call: (238) [system] ')'=='I'
   Call: (238) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (238) [system] get_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _718086)
   Call: (239) [system] peek_char((0x56051b6b4f40), _719020)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_722812, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _727382)
   Call: (240) [system] peek_char((0x56051b6b4f40), _728316)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_732108, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _736678)
   Call: (241) [system] peek_char((0x56051b6b4f40), _737612)
   Exit: (241) [system] peek_char((0x56051b6b4f40), r)
^  Call: (241) [user] is_delimiter(r)
   Call: (242) [system] char_type(r, space)
   Call: (242) [system] arg(_741404, v('(', ')', end_of_file), r)
   Call: (241) [system] ')'==r
   Call: (241) [system] get_char((0x56051b6b4f40), r)
   Exit: (241) [system] get_char((0x56051b6b4f40), r)
   Call: (241) [system] r=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _745974)
   Call: (242) [system] peek_char((0x56051b6b4f40), _746908)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_750700, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _755270)
   Call: (243) [system] peek_char((0x56051b6b4f40), _756204)
   Exit: (243) [system] peek_char((0x56051b6b4f40), d)
^  Call: (243) [user] is_delimiter(d)
   Call: (244) [system] char_type(d, space)
   Call: (244) [system] arg(_759996, v('(', ')', end_of_file), d)
   Call: (243) [system] ')'==d
   Call: (243) [system] get_char((0x56051b6b4f40), d)
   Exit: (243) [system] get_char((0x56051b6b4f40), d)
   Call: (243) [system] d=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _764566)
   Call: (244) [system] peek_char((0x56051b6b4f40), _765500)
   Exit: (244) [system] peek_char((0x56051b6b4f40), u)
^  Call: (244) [user] is_delimiter(u)
   Call: (245) [system] char_type(u, space)
   Call: (245) [system] arg(_769292, v('(', ')', end_of_file), u)
   Call: (244) [system] ')'==u
   Call: (244) [system] get_char((0x56051b6b4f40), u)
   Exit: (244) [system] get_char((0x56051b6b4f40), u)
   Call: (244) [system] u=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _773862)
   Call: (245) [system] peek_char((0x56051b6b4f40), _774796)
   Exit: (245) [system] peek_char((0x56051b6b4f40), c)
^  Call: (245) [user] is_delimiter(c)
   Call: (246) [system] char_type(c, space)
   Call: (246) [system] arg(_778588, v('(', ')', end_of_file), c)
   Call: (245) [system] ')'==c
   Call: (245) [system] get_char((0x56051b6b4f40), c)
   Exit: (245) [system] get_char((0x56051b6b4f40), c)
   Call: (245) [system] c=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _783158)
   Call: (246) [system] peek_char((0x56051b6b4f40), _784092)
   Exit: (246) [system] peek_char((0x56051b6b4f40), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_787884, v('(', ')', end_of_file), t)
   Call: (246) [system] ')'==t
   Call: (246) [system] get_char((0x56051b6b4f40), t)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _792454)
   Call: (247) [system] peek_char((0x56051b6b4f40), _793388)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_797180, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _801750)
   Call: (248) [system] peek_char((0x56051b6b4f40), _802684)
   Exit: (248) [system] peek_char((0x56051b6b4f40), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_806476, v('(', ')', end_of_file), o)
   Call: (248) [system] ')'==o
   Call: (248) [system] get_char((0x56051b6b4f40), o)
   Exit: (248) [system] get_char((0x56051b6b4f40), o)
   Call: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _811046)
   Call: (249) [system] peek_char((0x56051b6b4f40), _811980)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_815772, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _820342)
   Call: (250) [system] peek_char((0x56051b6b4f40), _821276)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _820342=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (249) [system] _811046=[n]
   Exit: (249) [system] [n]=[n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (248) [system] _801750=[o, n]
   Exit: (248) [system] [o, n]=[o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (247) [system] _792454=[i, o, n]
   Exit: (247) [system] [i, o, n]=[i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (246) [system] _783158=[t, i, o, n]
   Exit: (246) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (245) [system] _773862=[c, t, i, o, n]
   Exit: (245) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (244) [system] _764566=[u, c, t, i, o, n]
   Exit: (244) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (243) [system] _755270=[d, u, c, t, i, o, n]
   Exit: (243) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (242) [system] _745974=[o, d, u, c, t, i, o, n]
   Exit: (242) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (241) [system] _736678=[r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _727382=[t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _718086=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _708790=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _699494=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _690198=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _680902=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _671606=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _662310=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _653014=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _643718=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _634422=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _625126=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _615830=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _595286)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_892054, _892056), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _595286), _892030, fail)), '$restore_trace'(_892054, _892056))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_892054, _892056))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _595286), _892030, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_595286)
   Call: (228) [system] atom_chars(_595286, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (228) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _900506)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _902364)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _909174)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _911878)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _921270)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _924984)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _926842)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _935310)
   Exit: (227) [system] get_char((0x56051b6b4f40), a)
   Call: (227) [system] a='('
   Call: (227) [system] a='['
   Call: (227) [system] a='{'
   Call: (227) [system] a='"'
   Call: (227) [system] a=!
   Call: (227) [system] a='\''
   Call: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), a, _924984)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _945528)
   Call: (229) [system] peek_char((0x56051b6b4f40), _946462)
   Exit: (229) [system] peek_char((0x56051b6b4f40), b)
^  Call: (229) [user] is_delimiter(b)
   Call: (230) [system] char_type(b, space)
   Call: (230) [system] arg(_950254, v('(', ')', end_of_file), b)
   Call: (229) [system] ')'==b
   Call: (229) [system] get_char((0x56051b6b4f40), b)
   Exit: (229) [system] get_char((0x56051b6b4f40), b)
   Call: (229) [system] b=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _954824)
   Call: (230) [system] peek_char((0x56051b6b4f40), _955758)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_959550, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _964120)
   Call: (231) [system] peek_char((0x56051b6b4f40), _965054)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _964120=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _954824=[c]
   Exit: (230) [system] [c]=[c]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (229) [system] _945528=[b, c]
   Exit: (229) [system] [b, c]=[b, c]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (228) [user] classify_and_convert_charseq(a, [b, c], _924984)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_979952, _979954), once(user:catch(read_from_chars([a, b, c], _924984), _979928, fail)), '$restore_trace'(_979952, _979954))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_979952, _979954))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _979928, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(abc)
   Exit: (229) [system] atomic(abc)
^  Exit: (228) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _987452)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _989310)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _996120)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _998824)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1008216)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1011930)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1013788)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1022256)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] a='('
   Call: (228) [system] a='['
   Call: (228) [system] a='{'
   Call: (228) [system] a='"'
   Call: (228) [system] a=!
   Call: (228) [system] a='\''
   Call: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), a, _1011930)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1032474)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1033408)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1037200, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1032474=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq(a, [], _1011930)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1043662, _1043664), once(user:catch(read_from_chars([a], _1011930), _1043638, fail)), '$restore_trace'(_1043662, _1043664))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1043662, _1043664))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1043638, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1051162)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1053020)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1061488)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _1065278)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _1051162=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _987452=[a]
   Exit: (227) [system] [a]=[a]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (226) [system] _900506=[abc, a]
   Exit: (226) [system] [abc, a]=[abc, a]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (225) [system] _567208=['ConjunctionIntroduction', abc, a]
   Exit: (225) [system] ['ConjunctionIntroduction', abc, a]=['ConjunctionIntroduction', abc, a]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, a])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', abc, a])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1079160)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1081018)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1089486)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _1093276)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _1079160=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _542730=[['ConjunctionIntroduction', abc, a]]
   Exit: (223) [system] [['ConjunctionIntroduction', abc, a]]=[['ConjunctionIntroduction', abc, a]]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', abc, a]])
   Call: (222) [system] _455784=[abc, ['ConjunctionIntroduction', abc, a]]
   Exit: (222) [system] [abc, ['ConjunctionIntroduction', abc, a]]=[abc, ['ConjunctionIntroduction', abc, a]]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', abc, a]])
   Call: (221) [system] _122486=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]]
   Exit: (221) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1107158)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1109016)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1115826)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1118530)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1127922)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1131636)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1133494)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1141962)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1131636)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1147532)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=(;)
^  Call: (223) [user] is_like_space('O')
   Call: (224) [system] char_type('O', 'white')
   Call: (224) [system] char_type('O', end_of_line)
   Call: (224) [system] char_type('O', space)
   Call: (224) [system] char_type('O', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1156000)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (222) [system] 'O'=')'
   Call: (222) [system] 'O'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1159714)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1161572)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1170040)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'='('
   Call: (223) [system] 'O'='['
   Call: (223) [system] 'O'='{'
   Call: (223) [system] 'O'='"'
   Call: (223) [system] 'O'=!
   Call: (223) [system] 'O'='\''
   Call: (223) [system] 'O'='`'
   Call: (223) [system] 'O'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1159714)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1180258)
   Call: (225) [system] peek_char((0x56051b6b4f40), _1181192)
   Exit: (225) [system] peek_char((0x56051b6b4f40), r)
^  Call: (225) [user] is_delimiter(r)
   Call: (226) [system] char_type(r, space)
   Call: (226) [system] arg(_1184984, v('(', ')', end_of_file), r)
   Call: (225) [system] ')'==r
   Call: (225) [system] get_char((0x56051b6b4f40), r)
   Exit: (225) [system] get_char((0x56051b6b4f40), r)
   Call: (225) [system] r=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1189554)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1190488)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (226) [user] is_delimiter('L')
   Call: (227) [system] char_type('L', space)
   Call: (227) [system] arg(_1194280, v('(', ')', end_of_file), 'L')
   Call: (226) [system] ')'=='L'
   Call: (226) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (226) [system] get_char((0x56051b6b4f40), 'L')
   Call: (226) [system] 'L'=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1198850)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1199784)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1203576, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1208146)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1209080)
   Exit: (228) [system] peek_char((0x56051b6b4f40), n)
^  Call: (228) [user] is_delimiter(n)
   Call: (229) [system] char_type(n, space)
   Call: (229) [system] arg(_1212872, v('(', ')', end_of_file), n)
   Call: (228) [system] ')'==n
   Call: (228) [system] get_char((0x56051b6b4f40), n)
   Exit: (228) [system] get_char((0x56051b6b4f40), n)
   Call: (228) [system] n=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1217442)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1218376)
   Exit: (229) [system] peek_char((0x56051b6b4f40), k)
^  Call: (229) [user] is_delimiter(k)
   Call: (230) [system] char_type(k, space)
   Call: (230) [system] arg(_1222168, v('(', ')', end_of_file), k)
   Call: (229) [system] ')'==k
   Call: (229) [system] get_char((0x56051b6b4f40), k)
   Exit: (229) [system] get_char((0x56051b6b4f40), k)
   Call: (229) [system] k=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1226738)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1227672)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1226738=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1217442=[k]
   Exit: (229) [system] [k]=[k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (228) [system] _1208146=[n, k]
   Exit: (228) [system] [n, k]=[n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (227) [system] _1198850=[i, n, k]
   Exit: (227) [system] [i, n, k]=[i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (226) [system] _1189554=['L', i, n, k]
   Exit: (226) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (225) [system] _1180258=[r, 'L', i, n, k]
   Exit: (225) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1159714)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1250952, _1250954), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1159714), _1250928, fail)), '$restore_trace'(_1250952, _1250954))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1250952, _1250954))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1159714), _1250928, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_1159714)
   Call: (225) [system] atom_chars(_1159714, ['O', r, 'L', i, n, k])
   Exit: (225) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (224) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1259404)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1261262)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1268072)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1270776)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1280168)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1283882)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1285740)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1294208)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1283882)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1299778)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=(;)
^  Call: (226) [user] is_like_space('I')
   Call: (227) [system] char_type('I', 'white')
   Call: (227) [system] char_type('I', end_of_line)
   Call: (227) [system] char_type('I', space)
   Call: (227) [system] char_type('I', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1308246)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (225) [system] 'I'=')'
   Call: (225) [system] 'I'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1311960)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1313818)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=(;)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1322286)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'='('
   Call: (226) [system] 'I'='['
   Call: (226) [system] 'I'='{'
   Call: (226) [system] 'I'='"'
   Call: (226) [system] 'I'=!
   Call: (226) [system] 'I'='\''
   Call: (226) [system] 'I'='`'
   Call: (226) [system] 'I'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1311960)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1332504)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1333438)
   Exit: (228) [system] peek_char((0x56051b6b4f40), m)
^  Call: (228) [user] is_delimiter(m)
   Call: (229) [system] char_type(m, space)
   Call: (229) [system] arg(_1337230, v('(', ')', end_of_file), m)
   Call: (228) [system] ')'==m
   Call: (228) [system] get_char((0x56051b6b4f40), m)
   Exit: (228) [system] get_char((0x56051b6b4f40), m)
   Call: (228) [system] m=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1341800)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1342734)
   Exit: (229) [system] peek_char((0x56051b6b4f40), p)
^  Call: (229) [user] is_delimiter(p)
   Call: (230) [system] char_type(p, space)
   Call: (230) [system] arg(_1346526, v('(', ')', end_of_file), p)
   Call: (229) [system] ')'==p
   Call: (229) [system] get_char((0x56051b6b4f40), p)
   Exit: (229) [system] get_char((0x56051b6b4f40), p)
   Call: (229) [system] p=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1351096)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1352030)
   Exit: (230) [system] peek_char((0x56051b6b4f40), l)
^  Call: (230) [user] is_delimiter(l)
   Call: (231) [system] char_type(l, space)
   Call: (231) [system] arg(_1355822, v('(', ')', end_of_file), l)
   Call: (230) [system] ')'==l
   Call: (230) [system] get_char((0x56051b6b4f40), l)
   Exit: (230) [system] get_char((0x56051b6b4f40), l)
   Call: (230) [system] l=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1360392)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1361326)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1365118, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1369688)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1370622)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1374414, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1378984)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1379918)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
^  Call: (233) [user] is_delimiter(a)
   Call: (234) [system] char_type(a, space)
   Call: (234) [system] arg(_1383710, v('(', ')', end_of_file), a)
   Call: (233) [system] ')'==a
   Call: (233) [system] get_char((0x56051b6b4f40), a)
   Exit: (233) [system] get_char((0x56051b6b4f40), a)
   Call: (233) [system] a=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1388280)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1389214)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_1393006, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1397576)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1398510)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1402302, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1406872)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1407806)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_1411598, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1416168)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1417102)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1420894, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1425464)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1426398)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1425464=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _1416168=[n]
   Exit: (237) [system] [n]=[n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (236) [system] _1406872=[o, n]
   Exit: (236) [system] [o, n]=[o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (235) [system] _1397576=[i, o, n]
   Exit: (235) [system] [i, o, n]=[i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (234) [system] _1388280=[t, i, o, n]
   Exit: (234) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (233) [system] _1378984=[a, t, i, o, n]
   Exit: (233) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (232) [system] _1369688=[c, a, t, i, o, n]
   Exit: (232) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (231) [system] _1360392=[i, c, a, t, i, o, n]
   Exit: (231) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (230) [system] _1351096=[l, i, c, a, t, i, o, n]
   Exit: (230) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (229) [system] _1341800=[p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (228) [system] _1332504=[m, p, l, i, c, a, t, i, o, n]
   Exit: (228) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1311960)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_1463648, _1463650), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1311960), _1463624, fail)), '$restore_trace'(_1463648, _1463650))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_1463648, _1463650))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1311960), _1463624, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_1311960)
   Call: (228) [system] atom_chars(_1311960, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (228) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1472100)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1473958)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _1480768)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1483472)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1492864)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1496578)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1498436)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1506904)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1496578)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1512474)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1520942)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=')'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1524656)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1526514)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=(;)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1534982)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'='('
   Call: (229) [system] 'A'='['
   Call: (229) [system] 'A'='{'
   Call: (229) [system] 'A'='"'
   Call: (229) [system] 'A'=!
   Call: (229) [system] 'A'='\''
   Call: (229) [system] 'A'='`'
   Call: (229) [system] 'A'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1524656)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1545200)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1546134)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1549926, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1554496)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1555430)
   Exit: (232) [system] peek_char((0x56051b6b4f40), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_1559222, v('(', ')', end_of_file), d)
   Call: (232) [system] ')'==d
   Call: (232) [system] get_char((0x56051b6b4f40), d)
   Exit: (232) [system] get_char((0x56051b6b4f40), d)
   Call: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1563792)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1564726)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_1568518, v('(', ')', end_of_file), 'L')
   Call: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (233) [system] get_char((0x56051b6b4f40), 'L')
   Call: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1573088)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1574022)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1577814, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1582384)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1583318)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1587110, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1591680)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1592614)
   Exit: (236) [system] peek_char((0x56051b6b4f40), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_1596406, v('(', ')', end_of_file), k)
   Call: (236) [system] ')'==k
   Call: (236) [system] get_char((0x56051b6b4f40), k)
   Exit: (236) [system] get_char((0x56051b6b4f40), k)
   Call: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1600976)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1601910)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1600976=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1591680=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (235) [system] _1582384=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (234) [system] _1573088=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (233) [system] _1563792=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (232) [system] _1554496=[d, 'L', i, n, k]
   Exit: (232) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (231) [system] _1545200=[n, d, 'L', i, n, k]
   Exit: (231) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1524656)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1627984, _1627986), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1524656), _1627960, fail)), '$restore_trace'(_1627984, _1627986))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1627984, _1627986))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1524656), _1627960, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1524656)
   Call: (231) [system] atom_chars(_1524656, ['A', n, d, 'L', i, n, k])
   Exit: (231) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1636436)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1638294)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1645104)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1647808)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1657200)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=')'
   Call: (229) [system] 'A'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1660914)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1662772)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1671240)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'='('
   Call: (230) [system] 'A'='['
   Call: (230) [system] 'A'='{'
   Call: (230) [system] 'A'='"'
   Call: (230) [system] 'A'=!
   Call: (230) [system] 'A'='\''
   Call: (230) [system] 'A'='`'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1660914)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1681458)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1682392)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1681458=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('A', [], _1660914)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1691702, _1691704), once(user:catch(read_from_chars(['A'], _1660914), _1691678, fail)), '$restore_trace'(_1691702, _1691704))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1691702, _1691704))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1660914), _1691678, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1660914)
   Call: (232) [system] atom_chars(_1660914, ['A'])
   Exit: (232) [system] atom_chars('A', ['A'])
^  Exit: (231) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1700154)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1702012)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1708822)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1711526)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=(;)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1720918)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=')'
   Call: (230) [system] 'B'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1724632)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1726490)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=(;)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1734958)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'='('
   Call: (231) [system] 'B'='['
   Call: (231) [system] 'B'='{'
   Call: (231) [system] 'B'='"'
   Call: (231) [system] 'B'=!
   Call: (231) [system] 'B'='\''
   Call: (231) [system] 'B'='`'
   Call: (231) [system] 'B'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1724632)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1745176)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1746110)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1749902, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1745176=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('B', [], _1724632)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1756364, _1756366), once(user:catch(read_from_chars(['B'], _1724632), _1756340, fail)), '$restore_trace'(_1756364, _1756366))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1756364, _1756366))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1724632), _1756340, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1724632)
   Call: (233) [system] atom_chars(_1724632, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1764816)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1766674)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1775142)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _1778932)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _1764816=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1700154=['B']
   Exit: (230) [system] ['B']=['B']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (229) [system] _1636436=['A', 'B']
   Exit: (229) [system] ['A', 'B']=['A', 'B']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (228) [system] _1496578=['AndLink', 'A', 'B']
   Exit: (228) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1792814)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1794672)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1801482)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1804186)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=(;)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1813578)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=')'
   Call: (227) [system] 'C'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1817292)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1819150)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=(;)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1827618)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'='('
   Call: (228) [system] 'C'='['
   Call: (228) [system] 'C'='{'
   Call: (228) [system] 'C'='"'
   Call: (228) [system] 'C'=!
   Call: (228) [system] 'C'='\''
   Call: (228) [system] 'C'='`'
   Call: (228) [system] 'C'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1817292)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1837836)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1838770)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (230) [user] is_delimiter(')')
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] arg(_1842562, v('(', ')', end_of_file), ')')
   Exit: (231) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (230) [user] is_delimiter(')')
   Call: (230) [system] _1837836=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq('C', [], _1817292)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1849024, _1849026), once(user:catch(read_from_chars(['C'], _1817292), _1849000, fail)), '$restore_trace'(_1849024, _1849026))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1849024, _1849026))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1817292), _1849000, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1817292)
   Call: (230) [system] atom_chars(_1817292, ['C'])
   Exit: (230) [system] atom_chars('C', ['C'])
^  Exit: (229) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1857476)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1859334)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1867802)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _1871592)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _1857476=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1792814=['C']
   Exit: (227) [system] ['C']=['C']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (226) [system] _1472100=[['AndLink', 'A', 'B'], 'C']
   Exit: (226) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (225) [system] _1283882=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (225) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1885474)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1887332)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1894142)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1896846)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1906238)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1909952)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1911810)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1920278)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1909952)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1925848)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=(;)
^  Call: (227) [user] is_like_space('A')
   Call: (228) [system] char_type('A', 'white')
   Call: (228) [system] char_type('A', end_of_line)
   Call: (228) [system] char_type('A', space)
   Call: (228) [system] char_type('A', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1934316)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (226) [system] 'A'=')'
   Call: (226) [system] 'A'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1938030)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1939888)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1948356)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'='('
   Call: (227) [system] 'A'='['
   Call: (227) [system] 'A'='{'
   Call: (227) [system] 'A'='"'
   Call: (227) [system] 'A'=!
   Call: (227) [system] 'A'='\''
   Call: (227) [system] 'A'='`'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1938030)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1958574)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1959508)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1963300, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1967870)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1968804)
   Exit: (230) [system] peek_char((0x56051b6b4f40), d)
^  Call: (230) [user] is_delimiter(d)
   Call: (231) [system] char_type(d, space)
   Call: (231) [system] arg(_1972596, v('(', ')', end_of_file), d)
   Call: (230) [system] ')'==d
   Call: (230) [system] get_char((0x56051b6b4f40), d)
   Exit: (230) [system] get_char((0x56051b6b4f40), d)
   Call: (230) [system] d=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1977166)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1978100)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1981892, v('(', ')', end_of_file), 'L')
   Call: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'L')
   Call: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1986462)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1987396)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1991188, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1995758)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1996692)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_2000484, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2005054)
   Call: (234) [system] peek_char((0x56051b6b4f40), _2005988)
   Exit: (234) [system] peek_char((0x56051b6b4f40), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_2009780, v('(', ')', end_of_file), k)
   Call: (234) [system] ')'==k
   Call: (234) [system] get_char((0x56051b6b4f40), k)
   Exit: (234) [system] get_char((0x56051b6b4f40), k)
   Call: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2014350)
   Call: (235) [system] peek_char((0x56051b6b4f40), _2015284)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _2014350=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _2005054=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (233) [system] _1995758=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (232) [system] _1986462=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (231) [system] _1977166=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (230) [system] _1967870=[d, 'L', i, n, k]
   Exit: (230) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (229) [system] _1958574=[n, d, 'L', i, n, k]
   Exit: (229) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1938030)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_2041358, _2041360), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1938030), _2041334, fail)), '$restore_trace'(_2041358, _2041360))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_2041358, _2041360))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1938030), _2041334, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1938030)
   Call: (229) [system] atom_chars(_1938030, ['A', n, d, 'L', i, n, k])
   Exit: (229) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _2049810)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _2051668)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _2058478)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _2061182)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _2070574)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _2074288)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _2076146)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _2084614)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _2074288)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _2090184)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'=(;)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _9272)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=')'
   Call: (229) [system] 'I'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _12986)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _14844)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'=(;)
^  Call: (231) [user] is_like_space('I')
   Call: (232) [system] char_type('I', 'white')
   Call: (232) [system] char_type('I', end_of_line)
   Call: (232) [system] char_type('I', space)
   Call: (232) [system] char_type('I', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _23312)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'='('
   Call: (230) [system] 'I'='['
   Call: (230) [system] 'I'='{'
   Call: (230) [system] 'I'='"'
   Call: (230) [system] 'I'=!
   Call: (230) [system] 'I'='\''
   Call: (230) [system] 'I'='`'
   Call: (230) [system] 'I'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _12986)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _33530)
   Call: (232) [system] peek_char((0x56051b6b4f40), _34464)
   Exit: (232) [system] peek_char((0x56051b6b4f40), m)
^  Call: (232) [user] is_delimiter(m)
   Call: (233) [system] char_type(m, space)
   Call: (233) [system] arg(_38256, v('(', ')', end_of_file), m)
   Call: (232) [system] ')'==m
   Call: (232) [system] get_char((0x56051b6b4f40), m)
   Exit: (232) [system] get_char((0x56051b6b4f40), m)
   Call: (232) [system] m=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _42826)
   Call: (233) [system] peek_char((0x56051b6b4f40), _43760)
   Exit: (233) [system] peek_char((0x56051b6b4f40), p)
^  Call: (233) [user] is_delimiter(p)
   Call: (234) [system] char_type(p, space)
   Call: (234) [system] arg(_47552, v('(', ')', end_of_file), p)
   Call: (233) [system] ')'==p
   Call: (233) [system] get_char((0x56051b6b4f40), p)
   Exit: (233) [system] get_char((0x56051b6b4f40), p)
   Call: (233) [system] p=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _52122)
   Call: (234) [system] peek_char((0x56051b6b4f40), _53056)
   Exit: (234) [system] peek_char((0x56051b6b4f40), l)
^  Call: (234) [user] is_delimiter(l)
   Call: (235) [system] char_type(l, space)
   Call: (235) [system] arg(_56848, v('(', ')', end_of_file), l)
   Call: (234) [system] ')'==l
   Call: (234) [system] get_char((0x56051b6b4f40), l)
   Exit: (234) [system] get_char((0x56051b6b4f40), l)
   Call: (234) [system] l=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _61418)
   Call: (235) [system] peek_char((0x56051b6b4f40), _62352)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_66144, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _70714)
   Call: (236) [system] peek_char((0x56051b6b4f40), _71648)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_75440, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _80010)
   Call: (237) [system] peek_char((0x56051b6b4f40), _80944)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
^  Call: (237) [user] is_delimiter(a)
   Call: (238) [system] char_type(a, space)
   Call: (238) [system] arg(_84736, v('(', ')', end_of_file), a)
   Call: (237) [system] ')'==a
   Call: (237) [system] get_char((0x56051b6b4f40), a)
   Exit: (237) [system] get_char((0x56051b6b4f40), a)
   Call: (237) [system] a=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _89306)
   Call: (238) [system] peek_char((0x56051b6b4f40), _90240)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_94032, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _98602)
   Call: (239) [system] peek_char((0x56051b6b4f40), _99536)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_103328, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _107898)
   Call: (240) [system] peek_char((0x56051b6b4f40), _108832)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_112624, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _117194)
   Call: (241) [system] peek_char((0x56051b6b4f40), _118128)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_121920, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _126490)
   Call: (242) [system] peek_char((0x56051b6b4f40), _127424)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _126490=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (241) [system] _117194=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (240) [system] _107898=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (239) [system] _98602=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (238) [system] _89306=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (237) [system] _80010=[a, t, i, o, n]
   Exit: (237) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (236) [system] _70714=[c, a, t, i, o, n]
   Exit: (236) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (235) [system] _61418=[i, c, a, t, i, o, n]
   Exit: (235) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (234) [system] _52122=[l, i, c, a, t, i, o, n]
   Exit: (234) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (233) [system] _42826=[p, l, i, c, a, t, i, o, n]
   Exit: (233) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (232) [system] _33530=[m, p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _12986)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_164674, _164676), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _12986), _164650, fail)), '$restore_trace'(_164674, _164676))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_164674, _164676))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _12986), _164650, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_12986)
   Call: (232) [system] atom_chars(_12986, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (232) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _173126)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _174984)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _181794)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _184498)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _193890)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _197604)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _199462)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _207930)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _197604)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _213500)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _221968)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=')'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _225682)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _227540)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _236008)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'='('
   Call: (233) [system] 'A'='['
   Call: (233) [system] 'A'='{'
   Call: (233) [system] 'A'='"'
   Call: (233) [system] 'A'=!
   Call: (233) [system] 'A'='\''
   Call: (233) [system] 'A'='`'
   Call: (233) [system] 'A'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _225682)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _246226)
   Call: (235) [system] peek_char((0x56051b6b4f40), _247160)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_250952, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _255522)
   Call: (236) [system] peek_char((0x56051b6b4f40), _256456)
   Exit: (236) [system] peek_char((0x56051b6b4f40), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_260248, v('(', ')', end_of_file), d)
   Call: (236) [system] ')'==d
   Call: (236) [system] get_char((0x56051b6b4f40), d)
   Exit: (236) [system] get_char((0x56051b6b4f40), d)
   Call: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _264818)
   Call: (237) [system] peek_char((0x56051b6b4f40), _265752)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (237) [user] is_delimiter('L')
   Call: (238) [system] char_type('L', space)
   Call: (238) [system] arg(_269544, v('(', ')', end_of_file), 'L')
   Call: (237) [system] ')'=='L'
   Call: (237) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (237) [system] get_char((0x56051b6b4f40), 'L')
   Call: (237) [system] 'L'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _274114)
   Call: (238) [system] peek_char((0x56051b6b4f40), _275048)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_278840, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _283410)
   Call: (239) [system] peek_char((0x56051b6b4f40), _284344)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_288136, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _292706)
   Call: (240) [system] peek_char((0x56051b6b4f40), _293640)
   Exit: (240) [system] peek_char((0x56051b6b4f40), k)
^  Call: (240) [user] is_delimiter(k)
   Call: (241) [system] char_type(k, space)
   Call: (241) [system] arg(_297432, v('(', ')', end_of_file), k)
   Call: (240) [system] ')'==k
   Call: (240) [system] get_char((0x56051b6b4f40), k)
   Exit: (240) [system] get_char((0x56051b6b4f40), k)
   Call: (240) [system] k=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _302002)
   Call: (241) [system] peek_char((0x56051b6b4f40), _302936)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _302002=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _292706=[k]
   Exit: (240) [system] [k]=[k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (239) [system] _283410=[n, k]
   Exit: (239) [system] [n, k]=[n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (238) [system] _274114=[i, n, k]
   Exit: (238) [system] [i, n, k]=[i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (237) [system] _264818=['L', i, n, k]
   Exit: (237) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (236) [system] _255522=[d, 'L', i, n, k]
   Exit: (236) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (235) [system] _246226=[n, d, 'L', i, n, k]
   Exit: (235) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (234) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _225682)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_329010, _329012), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _225682), _328986, fail)), '$restore_trace'(_329010, _329012))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_329010, _329012))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _225682), _328986, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_225682)
   Call: (235) [system] atom_chars(_225682, ['A', n, d, 'L', i, n, k])
   Exit: (235) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (234) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _337462)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _339320)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _346130)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _348834)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _358226)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=')'
   Call: (233) [system] 'A'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _361940)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _363798)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _372266)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'='('
   Call: (234) [system] 'A'='['
   Call: (234) [system] 'A'='{'
   Call: (234) [system] 'A'='"'
   Call: (234) [system] 'A'=!
   Call: (234) [system] 'A'='\''
   Call: (234) [system] 'A'='`'
   Call: (234) [system] 'A'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _361940)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _382484)
   Call: (236) [system] peek_char((0x56051b6b4f40), _383418)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _382484=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq('A', [], _361940)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_392728, _392730), once(user:catch(read_from_chars(['A'], _361940), _392704, fail)), '$restore_trace'(_392728, _392730))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_392728, _392730))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _361940), _392704, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_361940)
   Call: (236) [system] atom_chars(_361940, ['A'])
   Exit: (236) [system] atom_chars('A', ['A'])
^  Exit: (235) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _401180)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _403038)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _409848)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _412552)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'=(;)
^  Call: (236) [user] is_like_space('B')
   Call: (237) [system] char_type('B', 'white')
   Call: (237) [system] char_type('B', end_of_line)
   Call: (237) [system] char_type('B', space)
   Call: (237) [system] char_type('B', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _421944)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=')'
   Call: (234) [system] 'B'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _425658)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _427516)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'=(;)
^  Call: (236) [user] is_like_space('B')
   Call: (237) [system] char_type('B', 'white')
   Call: (237) [system] char_type('B', end_of_line)
   Call: (237) [system] char_type('B', space)
   Call: (237) [system] char_type('B', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _435984)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'B')
   Call: (235) [system] 'B'='('
   Call: (235) [system] 'B'='['
   Call: (235) [system] 'B'='{'
   Call: (235) [system] 'B'='"'
   Call: (235) [system] 'B'=!
   Call: (235) [system] 'B'='\''
   Call: (235) [system] 'B'='`'
   Call: (235) [system] 'B'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _425658)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _446202)
   Call: (237) [system] peek_char((0x56051b6b4f40), _447136)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_450928, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _446202=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (236) [user] classify_and_convert_charseq('B', [], _425658)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_457390, _457392), once(user:catch(read_from_chars(['B'], _425658), _457366, fail)), '$restore_trace'(_457390, _457392))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_457390, _457392))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _425658), _457366, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_425658)
   Call: (237) [system] atom_chars(_425658, ['B'])
   Exit: (237) [system] atom_chars('B', ['B'])
^  Exit: (236) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _465842)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _467700)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _476168)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x56051b6b4f40), _479958)
   Exit: (235) [system] get_char((0x56051b6b4f40), ')')
   Call: (235) [system] _465842=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (234) [system] _401180=['B']
   Exit: (234) [system] ['B']=['B']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (233) [system] _337462=['A', 'B']
   Exit: (233) [system] ['A', 'B']=['A', 'B']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (232) [system] _197604=['AndLink', 'A', 'B']
   Exit: (232) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _493840)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _495698)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _502508)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _505212)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=(;)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _514604)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=')'
   Call: (231) [system] 'C'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _518318)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _520176)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=(;)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _528644)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'='('
   Call: (232) [system] 'C'='['
   Call: (232) [system] 'C'='{'
   Call: (232) [system] 'C'='"'
   Call: (232) [system] 'C'=!
   Call: (232) [system] 'C'='\''
   Call: (232) [system] 'C'='`'
   Call: (232) [system] 'C'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _518318)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _538862)
   Call: (234) [system] peek_char((0x56051b6b4f40), _539796)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_543588, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _538862=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('C', [], _518318)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_550050, _550052), once(user:catch(read_from_chars(['C'], _518318), _550026, fail)), '$restore_trace'(_550050, _550052))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_550050, _550052))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _518318), _550026, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_518318)
   Call: (234) [system] atom_chars(_518318, ['C'])
   Exit: (234) [system] atom_chars('C', ['C'])
^  Exit: (233) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _558502)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _560360)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _568828)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _572618)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _558502=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _493840=['C']
   Exit: (231) [system] ['C']=['C']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (230) [system] _173126=[['AndLink', 'A', 'B'], 'C']
   Exit: (230) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (229) [system] _7472=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (229) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _586500)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _588358)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _595168)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _597872)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=(;)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _607264)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=')'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _610978)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _612836)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=(;)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _621304)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'='('
   Call: (229) [system] 'A'='['
   Call: (229) [system] 'A'='{'
   Call: (229) [system] 'A'='"'
   Call: (229) [system] 'A'=!
   Call: (229) [system] 'A'='\''
   Call: (229) [system] 'A'='`'
   Call: (229) [system] 'A'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _610978)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _631522)
   Call: (231) [system] peek_char((0x56051b6b4f40), _632456)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_636248, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _631522=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('A', [], _610978)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_642710, _642712), once(user:catch(read_from_chars(['A'], _610978), _642686, fail)), '$restore_trace'(_642710, _642712))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_642710, _642712))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _610978), _642686, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_610978)
   Call: (231) [system] atom_chars(_610978, ['A'])
   Exit: (231) [system] atom_chars('A', ['A'])
^  Exit: (230) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _651162)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _653020)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _661488)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _665278)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _651162=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _586500=['A']
   Exit: (228) [system] ['A']=['A']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (227) [system] _7468=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (227) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (226) [system] _7460=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (226) [system] ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _679160)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _681018)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _689486)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _693276)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _679160=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _7456=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (224) [system] [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (223) [system] _7414=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (223) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (222) [system] _7406=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (222) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _707158)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _709016)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=(;)
^  Call: (222) [user] is_like_space(')')
   Call: (223) [system] char_type(')', 'white')
   Call: (223) [system] char_type(')', end_of_line)
   Call: (223) [system] char_type(')', space)
   Call: (223) [system] char_type(')', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _717484)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ')')
   Call: (221) [system] ')'=')'
   Exit: (221) [system] ')'=')'
   Call: (221) [system] get_char((0x56051b6b4f40), _721274)
   Exit: (221) [system] get_char((0x56051b6b4f40), ')')
   Call: (221) [system] _707158=[]
   Exit: (221) [system] []=[]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (220) [system] _7402=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (220) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (219) [system] _7360=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (219) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (218) [system] _7352=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (218) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (217) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Exit: (216) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', abc, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Call: (216) [user] read_list(')', (0x56051b6b4f40), _735156)
^  Call: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _737014)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (218) [system] '\n'=(;)
^  Call: (218) [user] is_like_space('\n')
   Call: (219) [system] char_type('\n', 'white')
   Call: (219) [system] char_type('\n', end_of_line)
   Exit: (219) [system] char_type('\n', end_of_line)
^  Exit: (218) [user] is_like_space('\n')
   Call: (218) [system] get_char((0x56051b6b4f40), _744630)
   Exit: (218) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _747334)
   Exit: (219) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (219) [system] ' '=(;)
^  Call: (219) [user] is_like_space(' ')
   Call: (220) [system] char_type(' ', 'white')
   Exit: (220) [system] char_type(' ', 'white')
^  Exit: (219) [user] is_like_space(' ')
   Call: (219) [system] get_char((0x56051b6b4f40), _754144)
   Exit: (219) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _756848)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (217) [user] skip_spaces((0x56051b6b4f40))
   Call: (217) [system] peek_char((0x56051b6b4f40), _767164)
   Exit: (217) [system] peek_char((0x56051b6b4f40), '(')
   Call: (217) [system] '('=')'
   Call: (217) [system] '('=end_of_file
^  Call: (217) [user] cont_sexpr(')', (0x56051b6b4f40), _770878)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _772736)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=(;)
^  Call: (219) [user] is_like_space('(')
   Call: (220) [system] char_type('(', 'white')
   Call: (220) [system] char_type('(', end_of_line)
   Call: (220) [system] char_type('(', space)
   Call: (220) [system] char_type('(', cntrl)
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] get_char((0x56051b6b4f40), _781204)
   Exit: (218) [system] get_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('='('
   Exit: (218) [system] '('='('
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _770878)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _786774)
   Exit: (220) [system] peek_char((0x56051b6b4f40), :)
   Call: (220) [system] (:)=(;)
^  Call: (220) [user] is_like_space(:)
   Call: (221) [system] char_type(:, 'white')
   Call: (221) [system] char_type(:, end_of_line)
   Call: (221) [system] char_type(:, space)
   Call: (221) [system] char_type(:, cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _795242)
   Exit: (219) [system] peek_char((0x56051b6b4f40), :)
   Call: (219) [system] (:)=')'
   Call: (219) [system] (:)=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _798956)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _800814)
   Exit: (221) [system] peek_char((0x56051b6b4f40), :)
   Call: (221) [system] (:)=(;)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _809282)
   Exit: (220) [system] get_char((0x56051b6b4f40), :)
   Call: (220) [system] (:)='('
   Call: (220) [system] (:)='['
   Call: (220) [system] (:)='{'
   Call: (220) [system] (:)='"'
   Call: (220) [system] (:)=!
   Call: (220) [system] (:)='\''
   Call: (220) [system] (:)='`'
   Call: (220) [system] (:)=end_of_file
^  Call: (220) [user] read_symbolic(')', (0x56051b6b4f40), :, _798956)
^  Call: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), _819500)
   Call: (222) [system] peek_char((0x56051b6b4f40), _820434)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] is_delimiter(' ')
   Call: (223) [system] char_type(' ', space)
   Exit: (223) [system] char_type(' ', space)
^  Exit: (222) [user] is_delimiter(' ')
   Call: (222) [system] _819500=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (221) [user] classify_and_convert_charseq(:, [], _798956)
^  Call: (223) [system] setup_call_cleanup('$notrace'(_829744, _829746), once(user:catch(read_from_chars([:], _798956), _829720, fail)), '$restore_trace'(_829744, _829746))
^  Call: (224) [system] sig_atomic(system:'$notrace'(_829744, _829746))
^  Exit: (223) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _829720, fail)), system:'$restore_trace'(3, -1))
   Call: (222) [system] atomic(:)
   Exit: (222) [system] atomic(:)
^  Exit: (221) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (220) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _837244)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _839102)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _845912)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _848616)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _858008)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _861722)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _863580)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _872048)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _861722)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _877618)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'=(;)
^  Call: (223) [user] is_like_space('D')
   Call: (224) [system] char_type('D', 'white')
   Call: (224) [system] char_type('D', end_of_line)
   Call: (224) [system] char_type('D', space)
   Call: (224) [system] char_type('D', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _886086)
   Exit: (222) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (222) [system] 'D'=')'
   Call: (222) [system] 'D'=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _889800)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _891658)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'=(;)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _900126)
   Exit: (223) [system] get_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'='('
   Call: (223) [system] 'D'='['
   Call: (223) [system] 'D'='{'
   Call: (223) [system] 'D'='"'
   Call: (223) [system] 'D'=!
   Call: (223) [system] 'D'='\''
   Call: (223) [system] 'D'='`'
   Call: (223) [system] 'D'=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _889800)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _910344)
   Call: (225) [system] peek_char((0x56051b6b4f40), _911278)
   Exit: (225) [system] peek_char((0x56051b6b4f40), i)
^  Call: (225) [user] is_delimiter(i)
   Call: (226) [system] char_type(i, space)
   Call: (226) [system] arg(_915070, v('(', ')', end_of_file), i)
   Call: (225) [system] ')'==i
   Call: (225) [system] get_char((0x56051b6b4f40), i)
   Exit: (225) [system] get_char((0x56051b6b4f40), i)
   Call: (225) [system] i=(\)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _919640)
   Call: (226) [system] peek_char((0x56051b6b4f40), _920574)
   Exit: (226) [system] peek_char((0x56051b6b4f40), s)
^  Call: (226) [user] is_delimiter(s)
   Call: (227) [system] char_type(s, space)
   Call: (227) [system] arg(_924366, v('(', ')', end_of_file), s)
   Call: (226) [system] ')'==s
   Call: (226) [system] get_char((0x56051b6b4f40), s)
   Exit: (226) [system] get_char((0x56051b6b4f40), s)
   Call: (226) [system] s=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _928936)
   Call: (227) [system] peek_char((0x56051b6b4f40), _929870)
   Exit: (227) [system] peek_char((0x56051b6b4f40), j)
^  Call: (227) [user] is_delimiter(j)
   Call: (228) [system] char_type(j, space)
   Call: (228) [system] arg(_933662, v('(', ')', end_of_file), j)
   Call: (227) [system] ')'==j
   Call: (227) [system] get_char((0x56051b6b4f40), j)
   Exit: (227) [system] get_char((0x56051b6b4f40), j)
   Call: (227) [system] j=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _938232)
   Call: (228) [system] peek_char((0x56051b6b4f40), _939166)
   Exit: (228) [system] peek_char((0x56051b6b4f40), u)
^  Call: (228) [user] is_delimiter(u)
   Call: (229) [system] char_type(u, space)
   Call: (229) [system] arg(_942958, v('(', ')', end_of_file), u)
   Call: (228) [system] ')'==u
   Call: (228) [system] get_char((0x56051b6b4f40), u)
   Exit: (228) [system] get_char((0x56051b6b4f40), u)
   Call: (228) [system] u=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _947528)
   Call: (229) [system] peek_char((0x56051b6b4f40), _948462)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_952254, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _956824)
   Call: (230) [system] peek_char((0x56051b6b4f40), _957758)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_961550, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _966120)
   Call: (231) [system] peek_char((0x56051b6b4f40), _967054)
   Exit: (231) [system] peek_char((0x56051b6b4f40), t)
^  Call: (231) [user] is_delimiter(t)
   Call: (232) [system] char_type(t, space)
   Call: (232) [system] arg(_970846, v('(', ')', end_of_file), t)
   Call: (231) [system] ')'==t
   Call: (231) [system] get_char((0x56051b6b4f40), t)
   Exit: (231) [system] get_char((0x56051b6b4f40), t)
   Call: (231) [system] t=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _975416)
   Call: (232) [system] peek_char((0x56051b6b4f40), _976350)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_980142, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _984712)
   Call: (233) [system] peek_char((0x56051b6b4f40), _985646)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_989438, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _994008)
   Call: (234) [system] peek_char((0x56051b6b4f40), _994942)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_998734, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1003304)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1004238)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (235) [user] is_delimiter('I')
   Call: (236) [system] char_type('I', space)
   Call: (236) [system] arg(_1008030, v('(', ')', end_of_file), 'I')
   Call: (235) [system] ')'=='I'
   Call: (235) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (235) [system] get_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1012600)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1013534)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1017326, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1021896)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1022830)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_1026622, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1031192)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1032126)
   Exit: (238) [system] peek_char((0x56051b6b4f40), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_1035918, v('(', ')', end_of_file), r)
   Call: (238) [system] ')'==r
   Call: (238) [system] get_char((0x56051b6b4f40), r)
   Exit: (238) [system] get_char((0x56051b6b4f40), r)
   Call: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1040488)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1041422)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1045214, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1049784)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1050718)
   Exit: (240) [system] peek_char((0x56051b6b4f40), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_1054510, v('(', ')', end_of_file), d)
   Call: (240) [system] ')'==d
   Call: (240) [system] get_char((0x56051b6b4f40), d)
   Exit: (240) [system] get_char((0x56051b6b4f40), d)
   Call: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1059080)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1060014)
   Exit: (241) [system] peek_char((0x56051b6b4f40), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_1063806, v('(', ')', end_of_file), u)
   Call: (241) [system] ')'==u
   Call: (241) [system] get_char((0x56051b6b4f40), u)
   Exit: (241) [system] get_char((0x56051b6b4f40), u)
   Call: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1068376)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1069310)
   Exit: (242) [system] peek_char((0x56051b6b4f40), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_1073102, v('(', ')', end_of_file), c)
   Call: (242) [system] ')'==c
   Call: (242) [system] get_char((0x56051b6b4f40), c)
   Exit: (242) [system] get_char((0x56051b6b4f40), c)
   Call: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1077672)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1078606)
   Exit: (243) [system] peek_char((0x56051b6b4f40), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_1082398, v('(', ')', end_of_file), t)
   Call: (243) [system] ')'==t
   Call: (243) [system] get_char((0x56051b6b4f40), t)
   Exit: (243) [system] get_char((0x56051b6b4f40), t)
   Call: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1086968)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1087902)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_1091694, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1096264)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1097198)
   Exit: (245) [system] peek_char((0x56051b6b4f40), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1100990, v('(', ')', end_of_file), o)
   Call: (245) [system] ')'==o
   Call: (245) [system] get_char((0x56051b6b4f40), o)
   Exit: (245) [system] get_char((0x56051b6b4f40), o)
   Call: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1105560)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1106494)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1110286, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1114856)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1115790)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1114856=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (246) [system] _1105560=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (245) [system] _1096264=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (244) [system] _1086968=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (243) [system] _1077672=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (242) [system] _1068376=[c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (241) [system] _1059080=[u, c, t, i, o, n]
   Exit: (241) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (240) [system] _1049784=[d, u, c, t, i, o, n]
   Exit: (240) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (239) [system] _1040488=[o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (238) [system] _1031192=[r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1021896=[t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1012600=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1003304=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _994008=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _984712=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _975416=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _966120=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _956824=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _947528=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _938232=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _928936=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _919640=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (225) [system] _910344=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (225) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (224) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _889800)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_1186568, _1186570), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _889800), _1186544, fail)), '$restore_trace'(_1186568, _1186570))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_1186568, _1186570))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _889800), _1186544, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(_889800)
   Call: (225) [system] atom_chars(_889800, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (225) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (224) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1195020)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1196878)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1203688)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1206392)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1215784)
   Exit: (223) [system] peek_char((0x56051b6b4f40), a)
   Call: (223) [system] a=')'
   Call: (223) [system] a=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1219498)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1221356)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=(;)
^  Call: (225) [user] is_like_space(a)
   Call: (226) [system] char_type(a, 'white')
   Call: (226) [system] char_type(a, end_of_line)
   Call: (226) [system] char_type(a, space)
   Call: (226) [system] char_type(a, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1229824)
   Exit: (224) [system] get_char((0x56051b6b4f40), a)
   Call: (224) [system] a='('
   Call: (224) [system] a='['
   Call: (224) [system] a='{'
   Call: (224) [system] a='"'
   Call: (224) [system] a=!
   Call: (224) [system] a='\''
   Call: (224) [system] a='`'
   Call: (224) [system] a=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), a, _1219498)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1240042)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1240976)
   Exit: (226) [system] peek_char((0x56051b6b4f40), b)
^  Call: (226) [user] is_delimiter(b)
   Call: (227) [system] char_type(b, space)
   Call: (227) [system] arg(_1244768, v('(', ')', end_of_file), b)
   Call: (226) [system] ')'==b
   Call: (226) [system] get_char((0x56051b6b4f40), b)
   Exit: (226) [system] get_char((0x56051b6b4f40), b)
   Call: (226) [system] b=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1249338)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1250272)
   Exit: (227) [system] peek_char((0x56051b6b4f40), c)
^  Call: (227) [user] is_delimiter(c)
   Call: (228) [system] char_type(c, space)
   Call: (228) [system] arg(_1254064, v('(', ')', end_of_file), c)
   Call: (227) [system] ')'==c
   Call: (227) [system] get_char((0x56051b6b4f40), c)
   Exit: (227) [system] get_char((0x56051b6b4f40), c)
   Call: (227) [system] c=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1258634)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1259568)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _1258634=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (227) [system] _1249338=[c]
   Exit: (227) [system] [c]=[c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (226) [system] _1240042=[b, c]
   Exit: (226) [system] [b, c]=[b, c]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (225) [user] classify_and_convert_charseq(a, [b, c], _1219498)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1274466, _1274468), once(user:catch(read_from_chars([a, b, c], _1219498), _1274442, fail)), '$restore_trace'(_1274466, _1274468))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1274466, _1274468))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1274442, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(abc)
   Exit: (226) [system] atomic(abc)
^  Exit: (225) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1281966)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1283824)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1290634)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1293338)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1302730)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1306444)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1308302)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1316770)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1306444)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1322340)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=(;)
^  Call: (227) [user] is_like_space('C')
   Call: (228) [system] char_type('C', 'white')
   Call: (228) [system] char_type('C', end_of_line)
   Call: (228) [system] char_type('C', space)
   Call: (228) [system] char_type('C', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1330808)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (226) [system] 'C'=')'
   Call: (226) [system] 'C'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1334522)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1336380)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=(;)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1344848)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'='('
   Call: (227) [system] 'C'='['
   Call: (227) [system] 'C'='{'
   Call: (227) [system] 'C'='"'
   Call: (227) [system] 'C'=!
   Call: (227) [system] 'C'='\''
   Call: (227) [system] 'C'='`'
   Call: (227) [system] 'C'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1334522)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1355066)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1356000)
   Exit: (229) [system] peek_char((0x56051b6b4f40), o)
^  Call: (229) [user] is_delimiter(o)
   Call: (230) [system] char_type(o, space)
   Call: (230) [system] arg(_1359792, v('(', ')', end_of_file), o)
   Call: (229) [system] ')'==o
   Call: (229) [system] get_char((0x56051b6b4f40), o)
   Exit: (229) [system] get_char((0x56051b6b4f40), o)
   Call: (229) [system] o=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1364362)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1365296)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1369088, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1373658)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1374592)
   Exit: (231) [system] peek_char((0x56051b6b4f40), j)
^  Call: (231) [user] is_delimiter(j)
   Call: (232) [system] char_type(j, space)
   Call: (232) [system] arg(_1378384, v('(', ')', end_of_file), j)
   Call: (231) [system] ')'==j
   Call: (231) [system] get_char((0x56051b6b4f40), j)
   Exit: (231) [system] get_char((0x56051b6b4f40), j)
   Call: (231) [system] j=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1382954)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1383888)
   Exit: (232) [system] peek_char((0x56051b6b4f40), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_1387680, v('(', ')', end_of_file), u)
   Call: (232) [system] ')'==u
   Call: (232) [system] get_char((0x56051b6b4f40), u)
   Exit: (232) [system] get_char((0x56051b6b4f40), u)
   Call: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1392250)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1393184)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1396976, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1401546)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1402480)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_1406272, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1410842)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1411776)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_1415568, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1420138)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1421072)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1424864, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1429434)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1430368)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_1434160, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1438730)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1439664)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1443456, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1448026)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1448960)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (239) [user] is_delimiter('I')
   Call: (240) [system] char_type('I', space)
   Call: (240) [system] arg(_1452752, v('(', ')', end_of_file), 'I')
   Call: (239) [system] ')'=='I'
   Call: (239) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (239) [system] get_char((0x56051b6b4f40), 'I')
   Call: (239) [system] 'I'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1457322)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1458256)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1462048, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1466618)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1467552)
   Exit: (241) [system] peek_char((0x56051b6b4f40), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1471344, v('(', ')', end_of_file), t)
   Call: (241) [system] ')'==t
   Call: (241) [system] get_char((0x56051b6b4f40), t)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1475914)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1476848)
   Exit: (242) [system] peek_char((0x56051b6b4f40), r)
^  Call: (242) [user] is_delimiter(r)
   Call: (243) [system] char_type(r, space)
   Call: (243) [system] arg(_1480640, v('(', ')', end_of_file), r)
   Call: (242) [system] ')'==r
   Call: (242) [system] get_char((0x56051b6b4f40), r)
   Exit: (242) [system] get_char((0x56051b6b4f40), r)
   Call: (242) [system] r=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1485210)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1486144)
   Exit: (243) [system] peek_char((0x56051b6b4f40), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1489936, v('(', ')', end_of_file), o)
   Call: (243) [system] ')'==o
   Call: (243) [system] get_char((0x56051b6b4f40), o)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1494506)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1495440)
   Exit: (244) [system] peek_char((0x56051b6b4f40), d)
^  Call: (244) [user] is_delimiter(d)
   Call: (245) [system] char_type(d, space)
   Call: (245) [system] arg(_1499232, v('(', ')', end_of_file), d)
   Call: (244) [system] ')'==d
   Call: (244) [system] get_char((0x56051b6b4f40), d)
   Exit: (244) [system] get_char((0x56051b6b4f40), d)
   Call: (244) [system] d=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1503802)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1504736)
   Exit: (245) [system] peek_char((0x56051b6b4f40), u)
^  Call: (245) [user] is_delimiter(u)
   Call: (246) [system] char_type(u, space)
   Call: (246) [system] arg(_1508528, v('(', ')', end_of_file), u)
   Call: (245) [system] ')'==u
   Call: (245) [system] get_char((0x56051b6b4f40), u)
   Exit: (245) [system] get_char((0x56051b6b4f40), u)
   Call: (245) [system] u=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1513098)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1514032)
   Exit: (246) [system] peek_char((0x56051b6b4f40), c)
^  Call: (246) [user] is_delimiter(c)
   Call: (247) [system] char_type(c, space)
   Call: (247) [system] arg(_1517824, v('(', ')', end_of_file), c)
   Call: (246) [system] ')'==c
   Call: (246) [system] get_char((0x56051b6b4f40), c)
   Exit: (246) [system] get_char((0x56051b6b4f40), c)
   Call: (246) [system] c=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1522394)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1523328)
   Exit: (247) [system] peek_char((0x56051b6b4f40), t)
^  Call: (247) [user] is_delimiter(t)
   Call: (248) [system] char_type(t, space)
   Call: (248) [system] arg(_1527120, v('(', ')', end_of_file), t)
   Call: (247) [system] ')'==t
   Call: (247) [system] get_char((0x56051b6b4f40), t)
   Exit: (247) [system] get_char((0x56051b6b4f40), t)
   Call: (247) [system] t=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1531690)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1532624)
   Exit: (248) [system] peek_char((0x56051b6b4f40), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_1536416, v('(', ')', end_of_file), i)
   Call: (248) [system] ')'==i
   Call: (248) [system] get_char((0x56051b6b4f40), i)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1540986)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1541920)
   Exit: (249) [system] peek_char((0x56051b6b4f40), o)
^  Call: (249) [user] is_delimiter(o)
   Call: (250) [system] char_type(o, space)
   Call: (250) [system] arg(_1545712, v('(', ')', end_of_file), o)
   Call: (249) [system] ')'==o
   Call: (249) [system] get_char((0x56051b6b4f40), o)
   Exit: (249) [system] get_char((0x56051b6b4f40), o)
   Call: (249) [system] o=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1550282)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1551216)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_1555008, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1559578)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1560512)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _1559578=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (250) [system] _1550282=[n]
   Exit: (250) [system] [n]=[n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (249) [system] _1540986=[o, n]
   Exit: (249) [system] [o, n]=[o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (248) [system] _1531690=[i, o, n]
   Exit: (248) [system] [i, o, n]=[i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (247) [system] _1522394=[t, i, o, n]
   Exit: (247) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (246) [system] _1513098=[c, t, i, o, n]
   Exit: (246) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (245) [system] _1503802=[u, c, t, i, o, n]
   Exit: (245) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (244) [system] _1494506=[d, u, c, t, i, o, n]
   Exit: (244) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (243) [system] _1485210=[o, d, u, c, t, i, o, n]
   Exit: (243) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (242) [system] _1475914=[r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1466618=[t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1457322=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1448026=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1438730=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1429434=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1420138=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1410842=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1401546=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1392250=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1382954=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1373658=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1364362=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1355066=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1334522)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1631290, _1631292), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1334522), _1631266, fail)), '$restore_trace'(_1631290, _1631292))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1631290, _1631292))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1334522), _1631266, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1334522)
   Call: (229) [system] atom_chars(_1334522, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (229) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1639742)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1641600)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1648410)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1651114)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1660506)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1664220)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1666078)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1674546)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] a='('
   Call: (228) [system] a='['
   Call: (228) [system] a='{'
   Call: (228) [system] a='"'
   Call: (228) [system] a=!
   Call: (228) [system] a='\''
   Call: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), a, _1664220)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1684764)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1685698)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _1684764=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq(a, [], _1664220)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1695008, _1695010), once(user:catch(read_from_chars([a], _1664220), _1694984, fail)), '$restore_trace'(_1695008, _1695010))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1695008, _1695010))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1694984, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(a)
   Exit: (230) [system] atomic(a)
^  Exit: (229) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1702508)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1704366)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1711176)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1713880)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1723272)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1726986)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1728844)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1737312)
   Exit: (229) [system] get_char((0x56051b6b4f40), a)
   Call: (229) [system] a='('
   Call: (229) [system] a='['
   Call: (229) [system] a='{'
   Call: (229) [system] a='"'
   Call: (229) [system] a=!
   Call: (229) [system] a='\''
   Call: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), a, _1726986)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1747530)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1748464)
   Exit: (231) [system] peek_char((0x56051b6b4f40), b)
^  Call: (231) [user] is_delimiter(b)
   Call: (232) [system] char_type(b, space)
   Call: (232) [system] arg(_1752256, v('(', ')', end_of_file), b)
   Call: (231) [system] ')'==b
   Call: (231) [system] get_char((0x56051b6b4f40), b)
   Exit: (231) [system] get_char((0x56051b6b4f40), b)
   Call: (231) [system] b=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1756826)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1757760)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1761552, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1766122)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1767056)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1770848, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1766122=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _1756826=[c]
   Exit: (232) [system] [c]=[c]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (231) [system] _1747530=[b, c]
   Exit: (231) [system] [b, c]=[b, c]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (230) [user] classify_and_convert_charseq(a, [b, c], _1726986)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1782898, _1782900), once(user:catch(read_from_chars([a, b, c], _1726986), _1782874, fail)), '$restore_trace'(_1782898, _1782900))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1782898, _1782900))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1782874, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(abc)
   Exit: (231) [system] atomic(abc)
^  Exit: (230) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1790398)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1792256)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1800724)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _1804514)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _1790398=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1702508=[abc]
   Exit: (228) [system] [abc]=[abc]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (227) [system] _1639742=[a, abc]
   Exit: (227) [system] [a, abc]=[a, abc]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [a, abc])
   Call: (226) [system] _1306444=['ConjunctionIntroduction', a, abc]
   Exit: (226) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, abc])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, abc])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1818396)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1820254)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1828722)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _1832512)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _1818396=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _1281966=[['ConjunctionIntroduction', a, abc]]
   Exit: (224) [system] [['ConjunctionIntroduction', a, abc]]=[['ConjunctionIntroduction', a, abc]]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, abc]])
   Call: (223) [system] _1195020=[abc, ['ConjunctionIntroduction', a, abc]]
   Exit: (223) [system] [abc, ['ConjunctionIntroduction', a, abc]]=[abc, ['ConjunctionIntroduction', a, abc]]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', a, abc]])
   Call: (222) [system] _861722=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]]
   Exit: (222) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1846394)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1848252)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1855062)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1857766)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1867158)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1870872)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1872730)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1881198)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1870872)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1886768)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=(;)
^  Call: (224) [user] is_like_space('O')
   Call: (225) [system] char_type('O', 'white')
   Call: (225) [system] char_type('O', end_of_line)
   Call: (225) [system] char_type('O', space)
   Call: (225) [system] char_type('O', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1895236)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (223) [system] 'O'=')'
   Call: (223) [system] 'O'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1898950)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1900808)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1909276)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'='('
   Call: (224) [system] 'O'='['
   Call: (224) [system] 'O'='{'
   Call: (224) [system] 'O'='"'
   Call: (224) [system] 'O'=!
   Call: (224) [system] 'O'='\''
   Call: (224) [system] 'O'='`'
   Call: (224) [system] 'O'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1898950)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1919494)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1920428)
   Exit: (226) [system] peek_char((0x56051b6b4f40), r)
^  Call: (226) [user] is_delimiter(r)
   Call: (227) [system] char_type(r, space)
   Call: (227) [system] arg(_1924220, v('(', ')', end_of_file), r)
   Call: (226) [system] ')'==r
   Call: (226) [system] get_char((0x56051b6b4f40), r)
   Exit: (226) [system] get_char((0x56051b6b4f40), r)
   Call: (226) [system] r=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1928790)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1929724)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (227) [user] is_delimiter('L')
   Call: (228) [system] char_type('L', space)
   Call: (228) [system] arg(_1933516, v('(', ')', end_of_file), 'L')
   Call: (227) [system] ')'=='L'
   Call: (227) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (227) [system] get_char((0x56051b6b4f40), 'L')
   Call: (227) [system] 'L'=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1938086)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1939020)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_1942812, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1947382)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1948316)
   Exit: (229) [system] peek_char((0x56051b6b4f40), n)
^  Call: (229) [user] is_delimiter(n)
   Call: (230) [system] char_type(n, space)
   Call: (230) [system] arg(_1952108, v('(', ')', end_of_file), n)
   Call: (229) [system] ')'==n
   Call: (229) [system] get_char((0x56051b6b4f40), n)
   Exit: (229) [system] get_char((0x56051b6b4f40), n)
   Call: (229) [system] n=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1956678)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1957612)
   Exit: (230) [system] peek_char((0x56051b6b4f40), k)
^  Call: (230) [user] is_delimiter(k)
   Call: (231) [system] char_type(k, space)
   Call: (231) [system] arg(_1961404, v('(', ')', end_of_file), k)
   Call: (230) [system] ')'==k
   Call: (230) [system] get_char((0x56051b6b4f40), k)
   Exit: (230) [system] get_char((0x56051b6b4f40), k)
   Call: (230) [system] k=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1965974)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1966908)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1965974=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1956678=[k]
   Exit: (230) [system] [k]=[k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (229) [system] _1947382=[n, k]
   Exit: (229) [system] [n, k]=[n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (228) [system] _1938086=[i, n, k]
   Exit: (228) [system] [i, n, k]=[i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (227) [system] _1928790=['L', i, n, k]
   Exit: (227) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (226) [system] _1919494=[r, 'L', i, n, k]
   Exit: (226) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1898950)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1990188, _1990190), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1898950), _1990164, fail)), '$restore_trace'(_1990188, _1990190))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1990188, _1990190))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1898950), _1990164, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1898950)
   Call: (226) [system] atom_chars(_1898950, ['O', r, 'L', i, n, k])
   Exit: (226) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (225) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1998640)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _2000498)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _2007308)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _2010012)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _2019404)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _2023118)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _2024976)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _2033444)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _2023118)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _2039014)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=(;)
^  Call: (227) [user] is_like_space('I')
   Call: (228) [system] char_type('I', 'white')
   Call: (228) [system] char_type('I', end_of_line)
   Call: (228) [system] char_type('I', space)
   Call: (228) [system] char_type('I', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _2047482)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (226) [system] 'I'=')'
   Call: (226) [system] 'I'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _2051196)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _2053054)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=(;)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _2061522)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'='('
   Call: (227) [system] 'I'='['
   Call: (227) [system] 'I'='{'
   Call: (227) [system] 'I'='"'
   Call: (227) [system] 'I'=!
   Call: (227) [system] 'I'='\''
   Call: (227) [system] 'I'='`'
   Call: (227) [system] 'I'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _2051196)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2071740)
   Call: (229) [system] peek_char((0x56051b6b4f40), _2072674)
   Exit: (229) [system] peek_char((0x56051b6b4f40), m)
^  Call: (229) [user] is_delimiter(m)
   Call: (230) [system] char_type(m, space)
   Call: (230) [system] arg(_2076466, v('(', ')', end_of_file), m)
   Call: (229) [system] ')'==m
   Call: (229) [system] get_char((0x56051b6b4f40), m)
   Exit: (229) [system] get_char((0x56051b6b4f40), m)
   Call: (229) [system] m=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2081036)
   Call: (230) [system] peek_char((0x56051b6b4f40), _2081970)
   Exit: (230) [system] peek_char((0x56051b6b4f40), p)
^  Call: (230) [user] is_delimiter(p)
   Call: (231) [system] char_type(p, space)
   Call: (231) [system] arg(_2085762, v('(', ')', end_of_file), p)
   Call: (230) [system] ')'==p
   Call: (230) [system] get_char((0x56051b6b4f40), p)
   Exit: (230) [system] get_char((0x56051b6b4f40), p)
   Call: (230) [system] p=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2090332)
   Call: (231) [system] peek_char((0x56051b6b4f40), _2091266)
   Exit: (231) [system] peek_char((0x56051b6b4f40), l)
^  Call: (231) [user] is_delimiter(l)
   Call: (232) [system] char_type(l, space)
   Call: (232) [system] arg(_2095058, v('(', ')', end_of_file), l)
   Call: (231) [system] ')'==l
   Call: (231) [system] get_char((0x56051b6b4f40), l)
   Exit: (231) [system] get_char((0x56051b6b4f40), l)
   Call: (231) [system] l=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _10340)
   Call: (232) [system] peek_char((0x56051b6b4f40), _11274)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_15066, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _19636)
   Call: (233) [system] peek_char((0x56051b6b4f40), _20570)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_24362, v('(', ')', end_of_file), c)
   Call: (233) [system] ')'==c
   Call: (233) [system] get_char((0x56051b6b4f40), c)
   Exit: (233) [system] get_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _28932)
   Call: (234) [system] peek_char((0x56051b6b4f40), _29866)
   Exit: (234) [system] peek_char((0x56051b6b4f40), a)
^  Call: (234) [user] is_delimiter(a)
   Call: (235) [system] char_type(a, space)
   Call: (235) [system] arg(_33658, v('(', ')', end_of_file), a)
   Call: (234) [system] ')'==a
   Call: (234) [system] get_char((0x56051b6b4f40), a)
   Exit: (234) [system] get_char((0x56051b6b4f40), a)
   Call: (234) [system] a=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _38228)
   Call: (235) [system] peek_char((0x56051b6b4f40), _39162)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_42954, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _47524)
   Call: (236) [system] peek_char((0x56051b6b4f40), _48458)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_52250, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _56820)
   Call: (237) [system] peek_char((0x56051b6b4f40), _57754)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_61546, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _66116)
   Call: (238) [system] peek_char((0x56051b6b4f40), _67050)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_70842, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _75412)
   Call: (239) [system] peek_char((0x56051b6b4f40), _76346)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _75412=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _66116=[n]
   Exit: (238) [system] [n]=[n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (237) [system] _56820=[o, n]
   Exit: (237) [system] [o, n]=[o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (236) [system] _47524=[i, o, n]
   Exit: (236) [system] [i, o, n]=[i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (235) [system] _38228=[t, i, o, n]
   Exit: (235) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (234) [system] _28932=[a, t, i, o, n]
   Exit: (234) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (233) [system] _19636=[c, a, t, i, o, n]
   Exit: (233) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (232) [system] _10340=[i, c, a, t, i, o, n]
   Exit: (232) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (231) [system] _7604=[l, i, c, a, t, i, o, n]
   Exit: (231) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (230) [system] _7600=[p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (229) [system] _7596=[m, p, l, i, c, a, t, i, o, n]
   Exit: (229) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _7592)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_113596, _113598), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _7592), _113572, fail)), '$restore_trace'(_113596, _113598))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_113596, _113598))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _7592), _113572, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_7592)
   Call: (229) [system] atom_chars(_7592, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (229) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _122048)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _123906)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _130716)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _133420)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _142812)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _146526)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _148384)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _156852)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _146526)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _162422)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=(;)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _170890)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=')'
   Call: (229) [system] 'A'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _174604)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _176462)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _184930)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'='('
   Call: (230) [system] 'A'='['
   Call: (230) [system] 'A'='{'
   Call: (230) [system] 'A'='"'
   Call: (230) [system] 'A'=!
   Call: (230) [system] 'A'='\''
   Call: (230) [system] 'A'='`'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _174604)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _195148)
   Call: (232) [system] peek_char((0x56051b6b4f40), _196082)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_199874, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _204444)
   Call: (233) [system] peek_char((0x56051b6b4f40), _205378)
   Exit: (233) [system] peek_char((0x56051b6b4f40), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_209170, v('(', ')', end_of_file), d)
   Call: (233) [system] ')'==d
   Call: (233) [system] get_char((0x56051b6b4f40), d)
   Exit: (233) [system] get_char((0x56051b6b4f40), d)
   Call: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _213740)
   Call: (234) [system] peek_char((0x56051b6b4f40), _214674)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_218466, v('(', ')', end_of_file), 'L')
   Call: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (234) [system] get_char((0x56051b6b4f40), 'L')
   Call: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _223036)
   Call: (235) [system] peek_char((0x56051b6b4f40), _223970)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_227762, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _232332)
   Call: (236) [system] peek_char((0x56051b6b4f40), _233266)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_237058, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _241628)
   Call: (237) [system] peek_char((0x56051b6b4f40), _242562)
   Exit: (237) [system] peek_char((0x56051b6b4f40), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_246354, v('(', ')', end_of_file), k)
   Call: (237) [system] ')'==k
   Call: (237) [system] get_char((0x56051b6b4f40), k)
   Exit: (237) [system] get_char((0x56051b6b4f40), k)
   Call: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _250924)
   Call: (238) [system] peek_char((0x56051b6b4f40), _251858)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _250924=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _241628=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (236) [system] _232332=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (235) [system] _223036=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (234) [system] _213740=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (233) [system] _204444=[d, 'L', i, n, k]
   Exit: (233) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (232) [system] _195148=[n, d, 'L', i, n, k]
   Exit: (232) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _174604)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_277932, _277934), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _174604), _277908, fail)), '$restore_trace'(_277932, _277934))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_277932, _277934))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _174604), _277908, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_174604)
   Call: (232) [system] atom_chars(_174604, ['A', n, d, 'L', i, n, k])
   Exit: (232) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _286384)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _288242)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _295052)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _297756)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _307148)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _310862)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _312720)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _321188)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _310862)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _331406)
   Call: (233) [system] peek_char((0x56051b6b4f40), _332340)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _331406=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('A', [], _310862)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_341650, _341652), once(user:catch(read_from_chars(['A'], _310862), _341626, fail)), '$restore_trace'(_341650, _341652))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_341650, _341652))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _310862), _341626, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_310862)
   Call: (233) [system] atom_chars(_310862, ['A'])
   Exit: (233) [system] atom_chars('A', ['A'])
^  Exit: (232) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _350102)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _351960)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _358770)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _361474)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'=(;)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _370866)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'=')'
   Call: (231) [system] 'B'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _374580)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _376438)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'=(;)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _384906)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'='('
   Call: (232) [system] 'B'='['
   Call: (232) [system] 'B'='{'
   Call: (232) [system] 'B'='"'
   Call: (232) [system] 'B'=!
   Call: (232) [system] 'B'='\''
   Call: (232) [system] 'B'='`'
   Call: (232) [system] 'B'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _374580)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _395124)
   Call: (234) [system] peek_char((0x56051b6b4f40), _396058)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_399850, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _395124=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('B', [], _374580)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_406312, _406314), once(user:catch(read_from_chars(['B'], _374580), _406288, fail)), '$restore_trace'(_406312, _406314))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_406312, _406314))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _374580), _406288, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_374580)
   Call: (234) [system] atom_chars(_374580, ['B'])
   Exit: (234) [system] atom_chars('B', ['B'])
^  Exit: (233) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _414764)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _416622)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _425090)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _428880)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _414764=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _350102=['B']
   Exit: (231) [system] ['B']=['B']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (230) [system] _286384=['A', 'B']
   Exit: (230) [system] ['A', 'B']=['A', 'B']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (229) [system] _146526=['AndLink', 'A', 'B']
   Exit: (229) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _442762)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _444620)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _451430)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _454134)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _463526)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _467240)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _469098)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _477566)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _467240)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _487784)
   Call: (231) [system] peek_char((0x56051b6b4f40), _488718)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (231) [user] is_delimiter(')')
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] arg(_492510, v('(', ')', end_of_file), ')')
   Exit: (232) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (231) [user] is_delimiter(')')
   Call: (231) [system] _487784=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('C', [], _467240)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_498972, _498974), once(user:catch(read_from_chars(['C'], _467240), _498948, fail)), '$restore_trace'(_498972, _498974))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_498972, _498974))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _467240), _498948, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_467240)
   Call: (231) [system] atom_chars(_467240, ['C'])
   Exit: (231) [system] atom_chars('C', ['C'])
^  Exit: (230) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _507424)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _509282)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _517750)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _521540)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _507424=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _442762=['C']
   Exit: (228) [system] ['C']=['C']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (227) [system] _122048=[['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (226) [system] _7586=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (226) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _535422)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _537280)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _544090)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _546794)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _556186)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _559900)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _561758)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _570226)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _559900)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _575796)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=(;)
^  Call: (228) [user] is_like_space('A')
   Call: (229) [system] char_type('A', 'white')
   Call: (229) [system] char_type('A', end_of_line)
   Call: (229) [system] char_type('A', space)
   Call: (229) [system] char_type('A', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _584264)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (227) [system] 'A'=')'
   Call: (227) [system] 'A'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _587978)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _589836)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _598304)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'='('
   Call: (228) [system] 'A'='['
   Call: (228) [system] 'A'='{'
   Call: (228) [system] 'A'='"'
   Call: (228) [system] 'A'=!
   Call: (228) [system] 'A'='\''
   Call: (228) [system] 'A'='`'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _587978)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _608522)
   Call: (230) [system] peek_char((0x56051b6b4f40), _609456)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_613248, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _617818)
   Call: (231) [system] peek_char((0x56051b6b4f40), _618752)
   Exit: (231) [system] peek_char((0x56051b6b4f40), d)
^  Call: (231) [user] is_delimiter(d)
   Call: (232) [system] char_type(d, space)
   Call: (232) [system] arg(_622544, v('(', ')', end_of_file), d)
   Call: (231) [system] ')'==d
   Call: (231) [system] get_char((0x56051b6b4f40), d)
   Exit: (231) [system] get_char((0x56051b6b4f40), d)
   Call: (231) [system] d=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _627114)
   Call: (232) [system] peek_char((0x56051b6b4f40), _628048)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_631840, v('(', ')', end_of_file), 'L')
   Call: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (232) [system] get_char((0x56051b6b4f40), 'L')
   Call: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _636410)
   Call: (233) [system] peek_char((0x56051b6b4f40), _637344)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_641136, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _645706)
   Call: (234) [system] peek_char((0x56051b6b4f40), _646640)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_650432, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _655002)
   Call: (235) [system] peek_char((0x56051b6b4f40), _655936)
   Exit: (235) [system] peek_char((0x56051b6b4f40), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_659728, v('(', ')', end_of_file), k)
   Call: (235) [system] ')'==k
   Call: (235) [system] get_char((0x56051b6b4f40), k)
   Exit: (235) [system] get_char((0x56051b6b4f40), k)
   Call: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _664298)
   Call: (236) [system] peek_char((0x56051b6b4f40), _665232)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _664298=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _655002=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (234) [system] _645706=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (233) [system] _636410=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (232) [system] _627114=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (231) [system] _617818=[d, 'L', i, n, k]
   Exit: (231) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (230) [system] _608522=[n, d, 'L', i, n, k]
   Exit: (230) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _587978)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_691306, _691308), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _587978), _691282, fail)), '$restore_trace'(_691306, _691308))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_691306, _691308))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _587978), _691282, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_587978)
   Call: (230) [system] atom_chars(_587978, ['A', n, d, 'L', i, n, k])
   Exit: (230) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _699758)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _701616)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _708426)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _711130)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _720522)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (228) [system] 'B'=')'
   Call: (228) [system] 'B'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _724236)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _726094)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=(;)
^  Call: (230) [user] is_like_space('B')
   Call: (231) [system] char_type('B', 'white')
   Call: (231) [system] char_type('B', end_of_line)
   Call: (231) [system] char_type('B', space)
   Call: (231) [system] char_type('B', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _734562)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'='('
   Call: (229) [system] 'B'='['
   Call: (229) [system] 'B'='{'
   Call: (229) [system] 'B'='"'
   Call: (229) [system] 'B'=!
   Call: (229) [system] 'B'='\''
   Call: (229) [system] 'B'='`'
   Call: (229) [system] 'B'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _724236)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _744780)
   Call: (231) [system] peek_char((0x56051b6b4f40), _745714)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _744780=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq('B', [], _724236)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_755024, _755026), once(user:catch(read_from_chars(['B'], _724236), _755000, fail)), '$restore_trace'(_755024, _755026))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_755024, _755026))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _724236), _755000, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_724236)
   Call: (231) [system] atom_chars(_724236, ['B'])
   Exit: (231) [system] atom_chars('B', ['B'])
^  Exit: (230) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _763476)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _765334)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _772144)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _774848)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _784240)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _787954)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _789812)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _798280)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _787954)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _803850)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'=(;)
^  Call: (232) [user] is_like_space('I')
   Call: (233) [system] char_type('I', 'white')
   Call: (233) [system] char_type('I', end_of_line)
   Call: (233) [system] char_type('I', space)
   Call: (233) [system] char_type('I', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _812318)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'=')'
   Call: (231) [system] 'I'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _816032)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _817890)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'=(;)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _826358)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'='('
   Call: (232) [system] 'I'='['
   Call: (232) [system] 'I'='{'
   Call: (232) [system] 'I'='"'
   Call: (232) [system] 'I'=!
   Call: (232) [system] 'I'='\''
   Call: (232) [system] 'I'='`'
   Call: (232) [system] 'I'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _816032)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _836576)
   Call: (234) [system] peek_char((0x56051b6b4f40), _837510)
   Exit: (234) [system] peek_char((0x56051b6b4f40), m)
^  Call: (234) [user] is_delimiter(m)
   Call: (235) [system] char_type(m, space)
   Call: (235) [system] arg(_841302, v('(', ')', end_of_file), m)
   Call: (234) [system] ')'==m
   Call: (234) [system] get_char((0x56051b6b4f40), m)
   Exit: (234) [system] get_char((0x56051b6b4f40), m)
   Call: (234) [system] m=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _845872)
   Call: (235) [system] peek_char((0x56051b6b4f40), _846806)
   Exit: (235) [system] peek_char((0x56051b6b4f40), p)
^  Call: (235) [user] is_delimiter(p)
   Call: (236) [system] char_type(p, space)
   Call: (236) [system] arg(_850598, v('(', ')', end_of_file), p)
   Call: (235) [system] ')'==p
   Call: (235) [system] get_char((0x56051b6b4f40), p)
   Exit: (235) [system] get_char((0x56051b6b4f40), p)
   Call: (235) [system] p=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _855168)
   Call: (236) [system] peek_char((0x56051b6b4f40), _856102)
   Exit: (236) [system] peek_char((0x56051b6b4f40), l)
^  Call: (236) [user] is_delimiter(l)
   Call: (237) [system] char_type(l, space)
   Call: (237) [system] arg(_859894, v('(', ')', end_of_file), l)
   Call: (236) [system] ')'==l
   Call: (236) [system] get_char((0x56051b6b4f40), l)
   Exit: (236) [system] get_char((0x56051b6b4f40), l)
   Call: (236) [system] l=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _864464)
   Call: (237) [system] peek_char((0x56051b6b4f40), _865398)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_869190, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _873760)
   Call: (238) [system] peek_char((0x56051b6b4f40), _874694)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_878486, v('(', ')', end_of_file), c)
   Call: (238) [system] ')'==c
   Call: (238) [system] get_char((0x56051b6b4f40), c)
   Exit: (238) [system] get_char((0x56051b6b4f40), c)
   Call: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _883056)
   Call: (239) [system] peek_char((0x56051b6b4f40), _883990)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
^  Call: (239) [user] is_delimiter(a)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] arg(_887782, v('(', ')', end_of_file), a)
   Call: (239) [system] ')'==a
   Call: (239) [system] get_char((0x56051b6b4f40), a)
   Exit: (239) [system] get_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _892352)
   Call: (240) [system] peek_char((0x56051b6b4f40), _893286)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_897078, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _901648)
   Call: (241) [system] peek_char((0x56051b6b4f40), _902582)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_906374, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _910944)
   Call: (242) [system] peek_char((0x56051b6b4f40), _911878)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_915670, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _920240)
   Call: (243) [system] peek_char((0x56051b6b4f40), _921174)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_924966, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _929536)
   Call: (244) [system] peek_char((0x56051b6b4f40), _930470)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _929536=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (243) [system] _920240=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (242) [system] _910944=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (241) [system] _901648=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (240) [system] _892352=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (239) [system] _883056=[a, t, i, o, n]
   Exit: (239) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (238) [system] _873760=[c, a, t, i, o, n]
   Exit: (238) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (237) [system] _864464=[i, c, a, t, i, o, n]
   Exit: (237) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (236) [system] _855168=[l, i, c, a, t, i, o, n]
   Exit: (236) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (235) [system] _845872=[p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (234) [system] _836576=[m, p, l, i, c, a, t, i, o, n]
   Exit: (234) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (233) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _816032)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_967720, _967722), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _816032), _967696, fail)), '$restore_trace'(_967720, _967722))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_967720, _967722))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _816032), _967696, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_816032)
   Call: (234) [system] atom_chars(_816032, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (234) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (233) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _976172)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _978030)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _984840)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _987544)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _996936)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1000650)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1002508)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1010976)
   Exit: (233) [system] get_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1000650)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1016546)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1025014)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=')'
   Call: (234) [system] 'A'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1028728)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1030586)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=(;)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1039054)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'='('
   Call: (235) [system] 'A'='['
   Call: (235) [system] 'A'='{'
   Call: (235) [system] 'A'='"'
   Call: (235) [system] 'A'=!
   Call: (235) [system] 'A'='\''
   Call: (235) [system] 'A'='`'
   Call: (235) [system] 'A'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1028728)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1049272)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1050206)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1053998, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1058568)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1059502)
   Exit: (238) [system] peek_char((0x56051b6b4f40), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_1063294, v('(', ')', end_of_file), d)
   Call: (238) [system] ')'==d
   Call: (238) [system] get_char((0x56051b6b4f40), d)
   Exit: (238) [system] get_char((0x56051b6b4f40), d)
   Call: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1067864)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1068798)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_1072590, v('(', ')', end_of_file), 'L')
   Call: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (239) [system] get_char((0x56051b6b4f40), 'L')
   Call: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1077160)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1078094)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1081886, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1086456)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1087390)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1091182, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1095752)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1096686)
   Exit: (242) [system] peek_char((0x56051b6b4f40), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_1100478, v('(', ')', end_of_file), k)
   Call: (242) [system] ')'==k
   Call: (242) [system] get_char((0x56051b6b4f40), k)
   Exit: (242) [system] get_char((0x56051b6b4f40), k)
   Call: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1105048)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1105982)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1105048=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _1095752=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (241) [system] _1086456=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (240) [system] _1077160=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (239) [system] _1067864=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (238) [system] _1058568=[d, 'L', i, n, k]
   Exit: (238) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (237) [system] _1049272=[n, d, 'L', i, n, k]
   Exit: (237) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (236) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1028728)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1132056, _1132058), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1028728), _1132032, fail)), '$restore_trace'(_1132056, _1132058))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1132056, _1132058))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1028728), _1132032, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_1028728)
   Call: (237) [system] atom_chars(_1028728, ['A', n, d, 'L', i, n, k])
   Exit: (237) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (236) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1140508)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1142366)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _1149176)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1151880)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1161272)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=')'
   Call: (235) [system] 'A'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1164986)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1166844)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1175312)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'='('
   Call: (236) [system] 'A'='['
   Call: (236) [system] 'A'='{'
   Call: (236) [system] 'A'='"'
   Call: (236) [system] 'A'=!
   Call: (236) [system] 'A'='\''
   Call: (236) [system] 'A'='`'
   Call: (236) [system] 'A'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1164986)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1185530)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1186464)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1185530=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (237) [user] classify_and_convert_charseq('A', [], _1164986)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1195774, _1195776), once(user:catch(read_from_chars(['A'], _1164986), _1195750, fail)), '$restore_trace'(_1195774, _1195776))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1195774, _1195776))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1164986), _1195750, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1164986)
   Call: (238) [system] atom_chars(_1164986, ['A'])
   Exit: (238) [system] atom_chars('A', ['A'])
^  Exit: (237) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1204226)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1206084)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _1212894)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1215598)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=(;)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1224990)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'=')'
   Call: (236) [system] 'B'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1228704)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1230562)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=(;)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1239030)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'B')
   Call: (237) [system] 'B'='('
   Call: (237) [system] 'B'='['
   Call: (237) [system] 'B'='{'
   Call: (237) [system] 'B'='"'
   Call: (237) [system] 'B'=!
   Call: (237) [system] 'B'='\''
   Call: (237) [system] 'B'='`'
   Call: (237) [system] 'B'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1228704)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1249248)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1250182)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (239) [user] is_delimiter(')')
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] arg(_1253974, v('(', ')', end_of_file), ')')
   Exit: (240) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (239) [user] is_delimiter(')')
   Call: (239) [system] _1249248=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq('B', [], _1228704)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_1260436, _1260438), once(user:catch(read_from_chars(['B'], _1228704), _1260412, fail)), '$restore_trace'(_1260436, _1260438))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_1260436, _1260438))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1228704), _1260412, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_1228704)
   Call: (239) [system] atom_chars(_1228704, ['B'])
   Exit: (239) [system] atom_chars('B', ['B'])
^  Exit: (238) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1268888)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1270746)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1279214)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x56051b6b4f40), _1283004)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] _1268888=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1204226=['B']
   Exit: (236) [system] ['B']=['B']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (235) [system] _1140508=['A', 'B']
   Exit: (235) [system] ['A', 'B']=['A', 'B']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (234) [system] _1000650=['AndLink', 'A', 'B']
   Exit: (234) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1296886)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1298744)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1305554)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1308258)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1317650)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=')'
   Call: (233) [system] 'C'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1321364)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1323222)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1331690)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'='('
   Call: (234) [system] 'C'='['
   Call: (234) [system] 'C'='{'
   Call: (234) [system] 'C'='"'
   Call: (234) [system] 'C'=!
   Call: (234) [system] 'C'='\''
   Call: (234) [system] 'C'='`'
   Call: (234) [system] 'C'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1321364)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1341908)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1342842)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_1346634, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _1341908=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq('C', [], _1321364)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1353096, _1353098), once(user:catch(read_from_chars(['C'], _1321364), _1353072, fail)), '$restore_trace'(_1353096, _1353098))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1353096, _1353098))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1321364), _1353072, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1321364)
   Call: (236) [system] atom_chars(_1321364, ['C'])
   Exit: (236) [system] atom_chars('C', ['C'])
^  Exit: (235) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1361548)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1363406)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1371874)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _1375664)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _1361548=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1296886=['C']
   Exit: (233) [system] ['C']=['C']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (232) [system] _976172=[['AndLink', 'A', 'B'], 'C']
   Exit: (232) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (231) [system] _787954=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (231) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1389546)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1391404)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1399872)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _1403662)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _1389546=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _763476=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (229) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (228) [system] _699758=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (228) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (227) [system] _559900=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (227) [system] ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1417544)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1419402)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1427870)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _1431660)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _1417544=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _535422=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (225) [system] [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (224) [system] _7582=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (224) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (223) [system] _7574=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (223) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1445542)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1447400)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=(;)
^  Call: (223) [user] is_like_space(')')
   Call: (224) [system] char_type(')', 'white')
   Call: (224) [system] char_type(')', end_of_line)
   Call: (224) [system] char_type(')', space)
   Call: (224) [system] char_type(')', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1455868)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ')')
   Call: (222) [system] ')'=')'
   Exit: (222) [system] ')'=')'
   Call: (222) [system] get_char((0x56051b6b4f40), _1459658)
   Exit: (222) [system] get_char((0x56051b6b4f40), ')')
   Call: (222) [system] _1445542=[]
   Exit: (222) [system] []=[]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (221) [system] _7570=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (221) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (220) [system] _7528=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (220) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (219) [system] _7520=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (219) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (218) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (217) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (217) [user] read_list(')', (0x56051b6b4f40), _1473540)
^  Call: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1475398)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (219) [system] '\n'=(;)
^  Call: (219) [user] is_like_space('\n')
   Call: (220) [system] char_type('\n', 'white')
   Call: (220) [system] char_type('\n', end_of_line)
   Exit: (220) [system] char_type('\n', end_of_line)
^  Exit: (219) [user] is_like_space('\n')
   Call: (219) [system] get_char((0x56051b6b4f40), _1483014)
   Exit: (219) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1485718)
   Exit: (220) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (220) [system] ' '=(;)
^  Call: (220) [user] is_like_space(' ')
   Call: (221) [system] char_type(' ', 'white')
   Exit: (221) [system] char_type(' ', 'white')
^  Exit: (220) [user] is_like_space(' ')
   Call: (220) [system] get_char((0x56051b6b4f40), _1492528)
   Exit: (220) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1495232)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (218) [user] skip_spaces((0x56051b6b4f40))
   Call: (218) [system] peek_char((0x56051b6b4f40), _1505548)
   Exit: (218) [system] peek_char((0x56051b6b4f40), '(')
   Call: (218) [system] '('=')'
   Call: (218) [system] '('=end_of_file
^  Call: (218) [user] cont_sexpr(')', (0x56051b6b4f40), _1509262)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1511120)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=(;)
^  Call: (220) [user] is_like_space('(')
   Call: (221) [system] char_type('(', 'white')
   Call: (221) [system] char_type('(', end_of_line)
   Call: (221) [system] char_type('(', space)
   Call: (221) [system] char_type('(', cntrl)
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] get_char((0x56051b6b4f40), _1519588)
   Exit: (219) [system] get_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('='('
   Exit: (219) [system] '('='('
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _1509262)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1525158)
   Exit: (221) [system] peek_char((0x56051b6b4f40), :)
   Call: (221) [system] (:)=(;)
^  Call: (221) [user] is_like_space(:)
   Call: (222) [system] char_type(:, 'white')
   Call: (222) [system] char_type(:, end_of_line)
   Call: (222) [system] char_type(:, space)
   Call: (222) [system] char_type(:, cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1533626)
   Exit: (220) [system] peek_char((0x56051b6b4f40), :)
   Call: (220) [system] (:)=')'
   Call: (220) [system] (:)=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _1537340)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1539198)
   Exit: (222) [system] peek_char((0x56051b6b4f40), :)
   Call: (222) [system] (:)=(;)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _1547666)
   Exit: (221) [system] get_char((0x56051b6b4f40), :)
   Call: (221) [system] (:)='('
   Call: (221) [system] (:)='['
   Call: (221) [system] (:)='{'
   Call: (221) [system] (:)='"'
   Call: (221) [system] (:)=!
   Call: (221) [system] (:)='\''
   Call: (221) [system] (:)='`'
   Call: (221) [system] (:)=end_of_file
^  Call: (221) [user] read_symbolic(')', (0x56051b6b4f40), :, _1537340)
^  Call: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1557884)
   Call: (223) [system] peek_char((0x56051b6b4f40), _1558818)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] is_delimiter(' ')
   Call: (224) [system] char_type(' ', space)
   Exit: (224) [system] char_type(' ', space)
^  Exit: (223) [user] is_delimiter(' ')
   Call: (223) [system] _1557884=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (222) [user] classify_and_convert_charseq(:, [], _1537340)
^  Call: (224) [system] setup_call_cleanup('$notrace'(_1568128, _1568130), once(user:catch(read_from_chars([:], _1537340), _1568104, fail)), '$restore_trace'(_1568128, _1568130))
^  Call: (225) [system] sig_atomic(system:'$notrace'(_1568128, _1568130))
^  Exit: (224) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1568104, fail)), system:'$restore_trace'(3, -1))
   Call: (223) [system] atomic(:)
   Exit: (223) [system] atomic(:)
^  Exit: (222) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (221) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1575628)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1577486)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _1584296)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1587000)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1596392)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1600106)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1601964)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1610432)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1600106)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1616002)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'=(;)
^  Call: (224) [user] is_like_space('D')
   Call: (225) [system] char_type('D', 'white')
   Call: (225) [system] char_type('D', end_of_line)
   Call: (225) [system] char_type('D', space)
   Call: (225) [system] char_type('D', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1624470)
   Exit: (223) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (223) [system] 'D'=')'
   Call: (223) [system] 'D'=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _1628184)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1630042)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'=(;)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _1638510)
   Exit: (224) [system] get_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'='('
   Call: (224) [system] 'D'='['
   Call: (224) [system] 'D'='{'
   Call: (224) [system] 'D'='"'
   Call: (224) [system] 'D'=!
   Call: (224) [system] 'D'='\''
   Call: (224) [system] 'D'='`'
   Call: (224) [system] 'D'=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1628184)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1648728)
   Call: (226) [system] peek_char((0x56051b6b4f40), _1649662)
   Exit: (226) [system] peek_char((0x56051b6b4f40), i)
^  Call: (226) [user] is_delimiter(i)
   Call: (227) [system] char_type(i, space)
   Call: (227) [system] arg(_1653454, v('(', ')', end_of_file), i)
   Call: (226) [system] ')'==i
   Call: (226) [system] get_char((0x56051b6b4f40), i)
   Exit: (226) [system] get_char((0x56051b6b4f40), i)
   Call: (226) [system] i=(\)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1658024)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1658958)
   Exit: (227) [system] peek_char((0x56051b6b4f40), s)
^  Call: (227) [user] is_delimiter(s)
   Call: (228) [system] char_type(s, space)
   Call: (228) [system] arg(_1662750, v('(', ')', end_of_file), s)
   Call: (227) [system] ')'==s
   Call: (227) [system] get_char((0x56051b6b4f40), s)
   Exit: (227) [system] get_char((0x56051b6b4f40), s)
   Call: (227) [system] s=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1667320)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1668254)
   Exit: (228) [system] peek_char((0x56051b6b4f40), j)
^  Call: (228) [user] is_delimiter(j)
   Call: (229) [system] char_type(j, space)
   Call: (229) [system] arg(_1672046, v('(', ')', end_of_file), j)
   Call: (228) [system] ')'==j
   Call: (228) [system] get_char((0x56051b6b4f40), j)
   Exit: (228) [system] get_char((0x56051b6b4f40), j)
   Call: (228) [system] j=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1676616)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1677550)
   Exit: (229) [system] peek_char((0x56051b6b4f40), u)
^  Call: (229) [user] is_delimiter(u)
   Call: (230) [system] char_type(u, space)
   Call: (230) [system] arg(_1681342, v('(', ')', end_of_file), u)
   Call: (229) [system] ')'==u
   Call: (229) [system] get_char((0x56051b6b4f40), u)
   Exit: (229) [system] get_char((0x56051b6b4f40), u)
   Call: (229) [system] u=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1685912)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1686846)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_1690638, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1695208)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1696142)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_1699934, v('(', ')', end_of_file), c)
   Call: (231) [system] ')'==c
   Call: (231) [system] get_char((0x56051b6b4f40), c)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1704504)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1705438)
   Exit: (232) [system] peek_char((0x56051b6b4f40), t)
^  Call: (232) [user] is_delimiter(t)
   Call: (233) [system] char_type(t, space)
   Call: (233) [system] arg(_1709230, v('(', ')', end_of_file), t)
   Call: (232) [system] ')'==t
   Call: (232) [system] get_char((0x56051b6b4f40), t)
   Exit: (232) [system] get_char((0x56051b6b4f40), t)
   Call: (232) [system] t=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1713800)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1714734)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_1718526, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1723096)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1724030)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_1727822, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1732392)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1733326)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1737118, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1741688)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1742622)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (236) [user] is_delimiter('I')
   Call: (237) [system] char_type('I', space)
   Call: (237) [system] arg(_1746414, v('(', ')', end_of_file), 'I')
   Call: (236) [system] ')'=='I'
   Call: (236) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (236) [system] get_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1750984)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1751918)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1755710, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1760280)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1761214)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1765006, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1769576)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1770510)
   Exit: (239) [system] peek_char((0x56051b6b4f40), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_1774302, v('(', ')', end_of_file), r)
   Call: (239) [system] ')'==r
   Call: (239) [system] get_char((0x56051b6b4f40), r)
   Exit: (239) [system] get_char((0x56051b6b4f40), r)
   Call: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1778872)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1779806)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1783598, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1788168)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1789102)
   Exit: (241) [system] peek_char((0x56051b6b4f40), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_1792894, v('(', ')', end_of_file), d)
   Call: (241) [system] ')'==d
   Call: (241) [system] get_char((0x56051b6b4f40), d)
   Exit: (241) [system] get_char((0x56051b6b4f40), d)
   Call: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1797464)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1798398)
   Exit: (242) [system] peek_char((0x56051b6b4f40), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_1802190, v('(', ')', end_of_file), u)
   Call: (242) [system] ')'==u
   Call: (242) [system] get_char((0x56051b6b4f40), u)
   Exit: (242) [system] get_char((0x56051b6b4f40), u)
   Call: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1806760)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1807694)
   Exit: (243) [system] peek_char((0x56051b6b4f40), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_1811486, v('(', ')', end_of_file), c)
   Call: (243) [system] ')'==c
   Call: (243) [system] get_char((0x56051b6b4f40), c)
   Exit: (243) [system] get_char((0x56051b6b4f40), c)
   Call: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1816056)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1816990)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1820782, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1825352)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1826286)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_1830078, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1834648)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1835582)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1839374, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1843944)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1844878)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_1848670, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1853240)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1854174)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1853240=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _1843944=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (246) [system] _1834648=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (245) [system] _1825352=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (244) [system] _1816056=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (243) [system] _1806760=[c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (242) [system] _1797464=[u, c, t, i, o, n]
   Exit: (242) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (241) [system] _1788168=[d, u, c, t, i, o, n]
   Exit: (241) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (240) [system] _1778872=[o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (239) [system] _1769576=[r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1760280=[t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1750984=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1741688=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1732392=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1723096=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1713800=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1704504=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1695208=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1685912=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1676616=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1667320=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1658024=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (226) [system] _1648728=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (226) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (225) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1628184)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_1924952, _1924954), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1628184), _1924928, fail)), '$restore_trace'(_1924952, _1924954))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_1924952, _1924954))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1628184), _1924928, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(_1628184)
   Call: (226) [system] atom_chars(_1628184, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (226) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (225) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1933404)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1935262)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1942072)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1944776)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1954168)
   Exit: (224) [system] peek_char((0x56051b6b4f40), a)
   Call: (224) [system] a=')'
   Call: (224) [system] a=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1957882)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1959740)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=(;)
^  Call: (226) [user] is_like_space(a)
   Call: (227) [system] char_type(a, 'white')
   Call: (227) [system] char_type(a, end_of_line)
   Call: (227) [system] char_type(a, space)
   Call: (227) [system] char_type(a, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1968208)
   Exit: (225) [system] get_char((0x56051b6b4f40), a)
   Call: (225) [system] a='('
   Call: (225) [system] a='['
   Call: (225) [system] a='{'
   Call: (225) [system] a='"'
   Call: (225) [system] a=!
   Call: (225) [system] a='\''
   Call: (225) [system] a='`'
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), a, _1957882)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1978426)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1979360)
   Exit: (227) [system] peek_char((0x56051b6b4f40), b)
^  Call: (227) [user] is_delimiter(b)
   Call: (228) [system] char_type(b, space)
   Call: (228) [system] arg(_1983152, v('(', ')', end_of_file), b)
   Call: (227) [system] ')'==b
   Call: (227) [system] get_char((0x56051b6b4f40), b)
   Exit: (227) [system] get_char((0x56051b6b4f40), b)
   Call: (227) [system] b=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1987722)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1988656)
   Exit: (228) [system] peek_char((0x56051b6b4f40), c)
^  Call: (228) [user] is_delimiter(c)
   Call: (229) [system] char_type(c, space)
   Call: (229) [system] arg(_1992448, v('(', ')', end_of_file), c)
   Call: (228) [system] ')'==c
   Call: (228) [system] get_char((0x56051b6b4f40), c)
   Exit: (228) [system] get_char((0x56051b6b4f40), c)
   Call: (228) [system] c=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1997018)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1997952)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1997018=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (228) [system] _1987722=[c]
   Exit: (228) [system] [c]=[c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (227) [system] _1978426=[b, c]
   Exit: (227) [system] [b, c]=[b, c]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (226) [user] classify_and_convert_charseq(a, [b, c], _1957882)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_2012850, _2012852), once(user:catch(read_from_chars([a, b, c], _1957882), _2012826, fail)), '$restore_trace'(_2012850, _2012852))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_2012850, _2012852))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _2012826, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(abc)
   Exit: (227) [system] atomic(abc)
^  Exit: (226) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _2020350)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _2022208)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _2029018)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _2031722)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _2041114)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _2044828)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _2046686)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _2055154)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _2044828)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _2060724)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=(;)
^  Call: (228) [user] is_like_space('C')
   Call: (229) [system] char_type('C', 'white')
   Call: (229) [system] char_type('C', end_of_line)
   Call: (229) [system] char_type('C', space)
   Call: (229) [system] char_type('C', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _2069192)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (227) [system] 'C'=')'
   Call: (227) [system] 'C'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _2072906)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _2074764)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=(;)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _2083232)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'='('
   Call: (228) [system] 'C'='['
   Call: (228) [system] 'C'='{'
   Call: (228) [system] 'C'='"'
   Call: (228) [system] 'C'=!
   Call: (228) [system] 'C'='\''
   Call: (228) [system] 'C'='`'
   Call: (228) [system] 'C'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2072906)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2093450)
   Call: (230) [system] peek_char((0x56051b6b4f40), _2094384)
   Exit: (230) [system] peek_char((0x56051b6b4f40), o)
^  Call: (230) [user] is_delimiter(o)
   Call: (231) [system] char_type(o, space)
   Call: (231) [system] arg(_9094, v('(', ')', end_of_file), o)
   Call: (230) [system] ')'==o
   Call: (230) [system] get_char((0x56051b6b4f40), o)
   Exit: (230) [system] get_char((0x56051b6b4f40), o)
   Call: (230) [system] o=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _13664)
   Call: (231) [system] peek_char((0x56051b6b4f40), _14598)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_18390, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _22960)
   Call: (232) [system] peek_char((0x56051b6b4f40), _23894)
   Exit: (232) [system] peek_char((0x56051b6b4f40), j)
^  Call: (232) [user] is_delimiter(j)
   Call: (233) [system] char_type(j, space)
   Call: (233) [system] arg(_27686, v('(', ')', end_of_file), j)
   Call: (232) [system] ')'==j
   Call: (232) [system] get_char((0x56051b6b4f40), j)
   Exit: (232) [system] get_char((0x56051b6b4f40), j)
   Call: (232) [system] j=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _32256)
   Call: (233) [system] peek_char((0x56051b6b4f40), _33190)
   Exit: (233) [system] peek_char((0x56051b6b4f40), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_36982, v('(', ')', end_of_file), u)
   Call: (233) [system] ')'==u
   Call: (233) [system] get_char((0x56051b6b4f40), u)
   Exit: (233) [system] get_char((0x56051b6b4f40), u)
   Call: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _41552)
   Call: (234) [system] peek_char((0x56051b6b4f40), _42486)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_46278, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _50848)
   Call: (235) [system] peek_char((0x56051b6b4f40), _51782)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_55574, v('(', ')', end_of_file), c)
   Call: (235) [system] ')'==c
   Call: (235) [system] get_char((0x56051b6b4f40), c)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _60144)
   Call: (236) [system] peek_char((0x56051b6b4f40), _61078)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_64870, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _69440)
   Call: (237) [system] peek_char((0x56051b6b4f40), _70374)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_74166, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _78736)
   Call: (238) [system] peek_char((0x56051b6b4f40), _79670)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_83462, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _88032)
   Call: (239) [system] peek_char((0x56051b6b4f40), _88966)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_92758, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _97328)
   Call: (240) [system] peek_char((0x56051b6b4f40), _98262)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (240) [user] is_delimiter('I')
   Call: (241) [system] char_type('I', space)
   Call: (241) [system] arg(_102054, v('(', ')', end_of_file), 'I')
   Call: (240) [system] ')'=='I'
   Call: (240) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (240) [system] get_char((0x56051b6b4f40), 'I')
   Call: (240) [system] 'I'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _106624)
   Call: (241) [system] peek_char((0x56051b6b4f40), _107558)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_111350, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _115920)
   Call: (242) [system] peek_char((0x56051b6b4f40), _116854)
   Exit: (242) [system] peek_char((0x56051b6b4f40), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_120646, v('(', ')', end_of_file), t)
   Call: (242) [system] ')'==t
   Call: (242) [system] get_char((0x56051b6b4f40), t)
   Exit: (242) [system] get_char((0x56051b6b4f40), t)
   Call: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _125216)
   Call: (243) [system] peek_char((0x56051b6b4f40), _126150)
   Exit: (243) [system] peek_char((0x56051b6b4f40), r)
^  Call: (243) [user] is_delimiter(r)
   Call: (244) [system] char_type(r, space)
   Call: (244) [system] arg(_129942, v('(', ')', end_of_file), r)
   Call: (243) [system] ')'==r
   Call: (243) [system] get_char((0x56051b6b4f40), r)
   Exit: (243) [system] get_char((0x56051b6b4f40), r)
   Call: (243) [system] r=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _134512)
   Call: (244) [system] peek_char((0x56051b6b4f40), _135446)
   Exit: (244) [system] peek_char((0x56051b6b4f40), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_139238, v('(', ')', end_of_file), o)
   Call: (244) [system] ')'==o
   Call: (244) [system] get_char((0x56051b6b4f40), o)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _143808)
   Call: (245) [system] peek_char((0x56051b6b4f40), _144742)
   Exit: (245) [system] peek_char((0x56051b6b4f40), d)
^  Call: (245) [user] is_delimiter(d)
   Call: (246) [system] char_type(d, space)
   Call: (246) [system] arg(_148534, v('(', ')', end_of_file), d)
   Call: (245) [system] ')'==d
   Call: (245) [system] get_char((0x56051b6b4f40), d)
   Exit: (245) [system] get_char((0x56051b6b4f40), d)
   Call: (245) [system] d=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _153104)
   Call: (246) [system] peek_char((0x56051b6b4f40), _154038)
   Exit: (246) [system] peek_char((0x56051b6b4f40), u)
^  Call: (246) [user] is_delimiter(u)
   Call: (247) [system] char_type(u, space)
   Call: (247) [system] arg(_157830, v('(', ')', end_of_file), u)
   Call: (246) [system] ')'==u
   Call: (246) [system] get_char((0x56051b6b4f40), u)
   Exit: (246) [system] get_char((0x56051b6b4f40), u)
   Call: (246) [system] u=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _162400)
   Call: (247) [system] peek_char((0x56051b6b4f40), _163334)
   Exit: (247) [system] peek_char((0x56051b6b4f40), c)
^  Call: (247) [user] is_delimiter(c)
   Call: (248) [system] char_type(c, space)
   Call: (248) [system] arg(_167126, v('(', ')', end_of_file), c)
   Call: (247) [system] ')'==c
   Call: (247) [system] get_char((0x56051b6b4f40), c)
   Exit: (247) [system] get_char((0x56051b6b4f40), c)
   Call: (247) [system] c=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _171696)
   Call: (248) [system] peek_char((0x56051b6b4f40), _172630)
   Exit: (248) [system] peek_char((0x56051b6b4f40), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_176422, v('(', ')', end_of_file), t)
   Call: (248) [system] ')'==t
   Call: (248) [system] get_char((0x56051b6b4f40), t)
   Exit: (248) [system] get_char((0x56051b6b4f40), t)
   Call: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _180992)
   Call: (249) [system] peek_char((0x56051b6b4f40), _181926)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_185718, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _190288)
   Call: (250) [system] peek_char((0x56051b6b4f40), _191222)
   Exit: (250) [system] peek_char((0x56051b6b4f40), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_195014, v('(', ')', end_of_file), o)
   Call: (250) [system] ')'==o
   Call: (250) [system] get_char((0x56051b6b4f40), o)
   Exit: (250) [system] get_char((0x56051b6b4f40), o)
   Call: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _199584)
   Call: (251) [system] peek_char((0x56051b6b4f40), _200518)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_204310, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _208880)
   Call: (252) [system] peek_char((0x56051b6b4f40), _209814)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _208880=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (251) [system] _199584=[n]
   Exit: (251) [system] [n]=[n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (250) [system] _190288=[o, n]
   Exit: (250) [system] [o, n]=[o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (249) [system] _180992=[i, o, n]
   Exit: (249) [system] [i, o, n]=[i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (248) [system] _171696=[t, i, o, n]
   Exit: (248) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (247) [system] _162400=[c, t, i, o, n]
   Exit: (247) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (246) [system] _153104=[u, c, t, i, o, n]
   Exit: (246) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (245) [system] _143808=[d, u, c, t, i, o, n]
   Exit: (245) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (244) [system] _134512=[o, d, u, c, t, i, o, n]
   Exit: (244) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (243) [system] _125216=[r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _115920=[t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _106624=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _97328=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _88032=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _78736=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _69440=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _60144=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _50848=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _41552=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _32256=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _22960=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _13664=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _7728=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _7724)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_280592, _280594), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _7724), _280568, fail)), '$restore_trace'(_280592, _280594))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_280592, _280594))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _7724), _280568, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_7724)
   Call: (230) [system] atom_chars(_7724, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (230) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _289044)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _290902)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _297712)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _300416)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _309808)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _313522)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _315380)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _323848)
   Exit: (229) [system] get_char((0x56051b6b4f40), a)
   Call: (229) [system] a='('
   Call: (229) [system] a='['
   Call: (229) [system] a='{'
   Call: (229) [system] a='"'
   Call: (229) [system] a=!
   Call: (229) [system] a='\''
   Call: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), a, _313522)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _334066)
   Call: (231) [system] peek_char((0x56051b6b4f40), _335000)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _334066=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq(a, [], _313522)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_344310, _344312), once(user:catch(read_from_chars([a], _313522), _344286, fail)), '$restore_trace'(_344310, _344312))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_344310, _344312))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _344286, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(a)
   Exit: (231) [system] atomic(a)
^  Exit: (230) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _351810)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _353668)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _360478)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _363182)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(;)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _372574)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=')'
   Call: (229) [system] a=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _376288)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _378146)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(;)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _386614)
   Exit: (230) [system] get_char((0x56051b6b4f40), a)
   Call: (230) [system] a='('
   Call: (230) [system] a='['
   Call: (230) [system] a='{'
   Call: (230) [system] a='"'
   Call: (230) [system] a=!
   Call: (230) [system] a='\''
   Call: (230) [system] a='`'
   Call: (230) [system] a=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), a, _376288)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _396832)
   Call: (232) [system] peek_char((0x56051b6b4f40), _397766)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_401558, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _396832=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq(a, [], _376288)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_408020, _408022), once(user:catch(read_from_chars([a], _376288), _407996, fail)), '$restore_trace'(_408020, _408022))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_408020, _408022))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _407996, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(a)
   Exit: (232) [system] atomic(a)
^  Exit: (231) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _415520)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _417378)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _425846)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _429636)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _415520=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _351810=[a]
   Exit: (229) [system] [a]=[a]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (228) [system] _289044=[a, a]
   Exit: (228) [system] [a, a]=[a, a]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (227) [system] _7718=['ConjunctionIntroduction', a, a]
   Exit: (227) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _443518)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _445376)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _453844)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _457634)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _443518=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _7714=[['ConjunctionIntroduction', a, a]]
   Exit: (225) [system] [['ConjunctionIntroduction', a, a]]=[['ConjunctionIntroduction', a, a]]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, a]])
   Call: (224) [system] _7708=[abc, ['ConjunctionIntroduction', a, a]]
   Exit: (224) [system] [abc, ['ConjunctionIntroduction', a, a]]=[abc, ['ConjunctionIntroduction', a, a]]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', a, a]])
   Call: (223) [system] _7700=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]
   Exit: (223) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _471516)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _473374)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _480184)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _482888)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _492280)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _495994)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _497852)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _506320)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _495994)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _511890)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=(;)
^  Call: (225) [user] is_like_space('O')
   Call: (226) [system] char_type('O', 'white')
   Call: (226) [system] char_type('O', end_of_line)
   Call: (226) [system] char_type('O', space)
   Call: (226) [system] char_type('O', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _520358)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (224) [system] 'O'=')'
   Call: (224) [system] 'O'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _524072)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _525930)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _534398)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'='('
   Call: (225) [system] 'O'='['
   Call: (225) [system] 'O'='{'
   Call: (225) [system] 'O'='"'
   Call: (225) [system] 'O'=!
   Call: (225) [system] 'O'='\''
   Call: (225) [system] 'O'='`'
   Call: (225) [system] 'O'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _524072)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _544616)
   Call: (227) [system] peek_char((0x56051b6b4f40), _545550)
   Exit: (227) [system] peek_char((0x56051b6b4f40), r)
^  Call: (227) [user] is_delimiter(r)
   Call: (228) [system] char_type(r, space)
   Call: (228) [system] arg(_549342, v('(', ')', end_of_file), r)
   Call: (227) [system] ')'==r
   Call: (227) [system] get_char((0x56051b6b4f40), r)
   Exit: (227) [system] get_char((0x56051b6b4f40), r)
   Call: (227) [system] r=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _553912)
   Call: (228) [system] peek_char((0x56051b6b4f40), _554846)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (228) [user] is_delimiter('L')
   Call: (229) [system] char_type('L', space)
   Call: (229) [system] arg(_558638, v('(', ')', end_of_file), 'L')
   Call: (228) [system] ')'=='L'
   Call: (228) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (228) [system] get_char((0x56051b6b4f40), 'L')
   Call: (228) [system] 'L'=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _563208)
   Call: (229) [system] peek_char((0x56051b6b4f40), _564142)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_567934, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _572504)
   Call: (230) [system] peek_char((0x56051b6b4f40), _573438)
   Exit: (230) [system] peek_char((0x56051b6b4f40), n)
^  Call: (230) [user] is_delimiter(n)
   Call: (231) [system] char_type(n, space)
   Call: (231) [system] arg(_577230, v('(', ')', end_of_file), n)
   Call: (230) [system] ')'==n
   Call: (230) [system] get_char((0x56051b6b4f40), n)
   Exit: (230) [system] get_char((0x56051b6b4f40), n)
   Call: (230) [system] n=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _581800)
   Call: (231) [system] peek_char((0x56051b6b4f40), _582734)
   Exit: (231) [system] peek_char((0x56051b6b4f40), k)
^  Call: (231) [user] is_delimiter(k)
   Call: (232) [system] char_type(k, space)
   Call: (232) [system] arg(_586526, v('(', ')', end_of_file), k)
   Call: (231) [system] ')'==k
   Call: (231) [system] get_char((0x56051b6b4f40), k)
   Exit: (231) [system] get_char((0x56051b6b4f40), k)
   Call: (231) [system] k=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _591096)
   Call: (232) [system] peek_char((0x56051b6b4f40), _592030)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _591096=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _581800=[k]
   Exit: (231) [system] [k]=[k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (230) [system] _572504=[n, k]
   Exit: (230) [system] [n, k]=[n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (229) [system] _563208=[i, n, k]
   Exit: (229) [system] [i, n, k]=[i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (228) [system] _553912=['L', i, n, k]
   Exit: (228) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (227) [system] _544616=[r, 'L', i, n, k]
   Exit: (227) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _524072)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_615310, _615312), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _524072), _615286, fail)), '$restore_trace'(_615310, _615312))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_615310, _615312))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _524072), _615286, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_524072)
   Call: (227) [system] atom_chars(_524072, ['O', r, 'L', i, n, k])
   Exit: (227) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (226) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _623762)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _625620)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _632430)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _635134)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _644526)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _648240)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _650098)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _658566)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _648240)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _664136)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=(;)
^  Call: (228) [user] is_like_space('I')
   Call: (229) [system] char_type('I', 'white')
   Call: (229) [system] char_type('I', end_of_line)
   Call: (229) [system] char_type('I', space)
   Call: (229) [system] char_type('I', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _672604)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (227) [system] 'I'=')'
   Call: (227) [system] 'I'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _676318)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _678176)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=(;)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _686644)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'='('
   Call: (228) [system] 'I'='['
   Call: (228) [system] 'I'='{'
   Call: (228) [system] 'I'='"'
   Call: (228) [system] 'I'=!
   Call: (228) [system] 'I'='\''
   Call: (228) [system] 'I'='`'
   Call: (228) [system] 'I'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _676318)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _696862)
   Call: (230) [system] peek_char((0x56051b6b4f40), _697796)
   Exit: (230) [system] peek_char((0x56051b6b4f40), m)
^  Call: (230) [user] is_delimiter(m)
   Call: (231) [system] char_type(m, space)
   Call: (231) [system] arg(_701588, v('(', ')', end_of_file), m)
   Call: (230) [system] ')'==m
   Call: (230) [system] get_char((0x56051b6b4f40), m)
   Exit: (230) [system] get_char((0x56051b6b4f40), m)
   Call: (230) [system] m=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _706158)
   Call: (231) [system] peek_char((0x56051b6b4f40), _707092)
   Exit: (231) [system] peek_char((0x56051b6b4f40), p)
^  Call: (231) [user] is_delimiter(p)
   Call: (232) [system] char_type(p, space)
   Call: (232) [system] arg(_710884, v('(', ')', end_of_file), p)
   Call: (231) [system] ')'==p
   Call: (231) [system] get_char((0x56051b6b4f40), p)
   Exit: (231) [system] get_char((0x56051b6b4f40), p)
   Call: (231) [system] p=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _715454)
   Call: (232) [system] peek_char((0x56051b6b4f40), _716388)
   Exit: (232) [system] peek_char((0x56051b6b4f40), l)
^  Call: (232) [user] is_delimiter(l)
   Call: (233) [system] char_type(l, space)
   Call: (233) [system] arg(_720180, v('(', ')', end_of_file), l)
   Call: (232) [system] ')'==l
   Call: (232) [system] get_char((0x56051b6b4f40), l)
   Exit: (232) [system] get_char((0x56051b6b4f40), l)
   Call: (232) [system] l=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _724750)
   Call: (233) [system] peek_char((0x56051b6b4f40), _725684)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_729476, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _734046)
   Call: (234) [system] peek_char((0x56051b6b4f40), _734980)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_738772, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _743342)
   Call: (235) [system] peek_char((0x56051b6b4f40), _744276)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
^  Call: (235) [user] is_delimiter(a)
   Call: (236) [system] char_type(a, space)
   Call: (236) [system] arg(_748068, v('(', ')', end_of_file), a)
   Call: (235) [system] ')'==a
   Call: (235) [system] get_char((0x56051b6b4f40), a)
   Exit: (235) [system] get_char((0x56051b6b4f40), a)
   Call: (235) [system] a=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _752638)
   Call: (236) [system] peek_char((0x56051b6b4f40), _753572)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_757364, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _761934)
   Call: (237) [system] peek_char((0x56051b6b4f40), _762868)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_766660, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _771230)
   Call: (238) [system] peek_char((0x56051b6b4f40), _772164)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_775956, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _780526)
   Call: (239) [system] peek_char((0x56051b6b4f40), _781460)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_785252, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _789822)
   Call: (240) [system] peek_char((0x56051b6b4f40), _790756)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _789822=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _780526=[n]
   Exit: (239) [system] [n]=[n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (238) [system] _771230=[o, n]
   Exit: (238) [system] [o, n]=[o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (237) [system] _761934=[i, o, n]
   Exit: (237) [system] [i, o, n]=[i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (236) [system] _752638=[t, i, o, n]
   Exit: (236) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (235) [system] _743342=[a, t, i, o, n]
   Exit: (235) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (234) [system] _734046=[c, a, t, i, o, n]
   Exit: (234) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (233) [system] _724750=[i, c, a, t, i, o, n]
   Exit: (233) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (232) [system] _715454=[l, i, c, a, t, i, o, n]
   Exit: (232) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (231) [system] _706158=[p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (230) [system] _696862=[m, p, l, i, c, a, t, i, o, n]
   Exit: (230) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _676318)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_828006, _828008), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _676318), _827982, fail)), '$restore_trace'(_828006, _828008))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_828006, _828008))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _676318), _827982, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_676318)
   Call: (230) [system] atom_chars(_676318, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (230) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _836458)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _838316)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _845126)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _847830)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _857222)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _860936)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _862794)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _871262)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _860936)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _876832)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _885300)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _889014)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _890872)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _899340)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _889014)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _909558)
   Call: (233) [system] peek_char((0x56051b6b4f40), _910492)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_914284, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _918854)
   Call: (234) [system] peek_char((0x56051b6b4f40), _919788)
   Exit: (234) [system] peek_char((0x56051b6b4f40), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_923580, v('(', ')', end_of_file), d)
   Call: (234) [system] ')'==d
   Call: (234) [system] get_char((0x56051b6b4f40), d)
   Exit: (234) [system] get_char((0x56051b6b4f40), d)
   Call: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _928150)
   Call: (235) [system] peek_char((0x56051b6b4f40), _929084)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_932876, v('(', ')', end_of_file), 'L')
   Call: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (235) [system] get_char((0x56051b6b4f40), 'L')
   Call: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _937446)
   Call: (236) [system] peek_char((0x56051b6b4f40), _938380)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_942172, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _946742)
   Call: (237) [system] peek_char((0x56051b6b4f40), _947676)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_951468, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _956038)
   Call: (238) [system] peek_char((0x56051b6b4f40), _956972)
   Exit: (238) [system] peek_char((0x56051b6b4f40), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_960764, v('(', ')', end_of_file), k)
   Call: (238) [system] ')'==k
   Call: (238) [system] get_char((0x56051b6b4f40), k)
   Exit: (238) [system] get_char((0x56051b6b4f40), k)
   Call: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _965334)
   Call: (239) [system] peek_char((0x56051b6b4f40), _966268)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _965334=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _956038=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (237) [system] _946742=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (236) [system] _937446=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (235) [system] _928150=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (234) [system] _918854=[d, 'L', i, n, k]
   Exit: (234) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (233) [system] _909558=[n, d, 'L', i, n, k]
   Exit: (233) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _889014)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_992342, _992344), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _889014), _992318, fail)), '$restore_trace'(_992342, _992344))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_992342, _992344))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _889014), _992318, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_889014)
   Call: (233) [system] atom_chars(_889014, ['A', n, d, 'L', i, n, k])
   Exit: (233) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1000794)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1002652)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1009462)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1012166)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1021558)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1025272)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1027130)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1035598)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1025272)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1045816)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1046750)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1045816=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('A', [], _1025272)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1056060, _1056062), once(user:catch(read_from_chars(['A'], _1025272), _1056036, fail)), '$restore_trace'(_1056060, _1056062))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1056060, _1056062))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1025272), _1056036, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1025272)
   Call: (234) [system] atom_chars(_1025272, ['A'])
   Exit: (234) [system] atom_chars('A', ['A'])
^  Exit: (233) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1064512)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1066370)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1073180)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1075884)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1085276)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=')'
   Call: (232) [system] 'B'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1088990)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1090848)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=(;)
^  Call: (234) [user] is_like_space('B')
   Call: (235) [system] char_type('B', 'white')
   Call: (235) [system] char_type('B', end_of_line)
   Call: (235) [system] char_type('B', space)
   Call: (235) [system] char_type('B', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1099316)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'='('
   Call: (233) [system] 'B'='['
   Call: (233) [system] 'B'='{'
   Call: (233) [system] 'B'='"'
   Call: (233) [system] 'B'=!
   Call: (233) [system] 'B'='\''
   Call: (233) [system] 'B'='`'
   Call: (233) [system] 'B'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1088990)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1109534)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1110468)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_1114260, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _1109534=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq('B', [], _1088990)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1120722, _1120724), once(user:catch(read_from_chars(['B'], _1088990), _1120698, fail)), '$restore_trace'(_1120722, _1120724))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1120722, _1120724))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1088990), _1120698, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1088990)
   Call: (235) [system] atom_chars(_1088990, ['B'])
   Exit: (235) [system] atom_chars('B', ['B'])
^  Exit: (234) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1129174)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1131032)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1139500)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _1143290)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _1129174=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _1064512=['B']
   Exit: (232) [system] ['B']=['B']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (231) [system] _1000794=['A', 'B']
   Exit: (231) [system] ['A', 'B']=['A', 'B']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (230) [system] _860936=['AndLink', 'A', 'B']
   Exit: (230) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1157172)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1159030)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1165840)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1168544)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1177936)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1181650)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1183508)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1191976)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1181650)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1202194)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1203128)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (232) [user] is_delimiter(')')
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] arg(_1206920, v('(', ')', end_of_file), ')')
   Exit: (233) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (232) [user] is_delimiter(')')
   Call: (232) [system] _1202194=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('C', [], _1181650)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1213382, _1213384), once(user:catch(read_from_chars(['C'], _1181650), _1213358, fail)), '$restore_trace'(_1213382, _1213384))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1213382, _1213384))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1181650), _1213358, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1181650)
   Call: (232) [system] atom_chars(_1181650, ['C'])
   Exit: (232) [system] atom_chars('C', ['C'])
^  Exit: (231) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1221834)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1223692)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1232160)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _1235950)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _1221834=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _1157172=['C']
   Exit: (229) [system] ['C']=['C']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (228) [system] _836458=[['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (227) [system] _648240=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (227) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1249832)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1251690)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _1258500)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1261204)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1270596)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1274310)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1276168)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1284636)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1274310)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1290206)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=(;)
^  Call: (229) [user] is_like_space('A')
   Call: (230) [system] char_type('A', 'white')
   Call: (230) [system] char_type('A', end_of_line)
   Call: (230) [system] char_type('A', space)
   Call: (230) [system] char_type('A', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1298674)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (228) [system] 'A'=')'
   Call: (228) [system] 'A'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1302388)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1304246)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=(;)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1312714)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'='('
   Call: (229) [system] 'A'='['
   Call: (229) [system] 'A'='{'
   Call: (229) [system] 'A'='"'
   Call: (229) [system] 'A'=!
   Call: (229) [system] 'A'='\''
   Call: (229) [system] 'A'='`'
   Call: (229) [system] 'A'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1302388)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1322932)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1323866)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1327658, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1332228)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1333162)
   Exit: (232) [system] peek_char((0x56051b6b4f40), d)
^  Call: (232) [user] is_delimiter(d)
   Call: (233) [system] char_type(d, space)
   Call: (233) [system] arg(_1336954, v('(', ')', end_of_file), d)
   Call: (232) [system] ')'==d
   Call: (232) [system] get_char((0x56051b6b4f40), d)
   Exit: (232) [system] get_char((0x56051b6b4f40), d)
   Call: (232) [system] d=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1341524)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1342458)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_1346250, v('(', ')', end_of_file), 'L')
   Call: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (233) [system] get_char((0x56051b6b4f40), 'L')
   Call: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1350820)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1351754)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1355546, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1360116)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1361050)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1364842, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1369412)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1370346)
   Exit: (236) [system] peek_char((0x56051b6b4f40), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_1374138, v('(', ')', end_of_file), k)
   Call: (236) [system] ')'==k
   Call: (236) [system] get_char((0x56051b6b4f40), k)
   Exit: (236) [system] get_char((0x56051b6b4f40), k)
   Call: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1378708)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1379642)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1378708=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1369412=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (235) [system] _1360116=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (234) [system] _1350820=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (233) [system] _1341524=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (232) [system] _1332228=[d, 'L', i, n, k]
   Exit: (232) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (231) [system] _1322932=[n, d, 'L', i, n, k]
   Exit: (231) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1302388)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1405716, _1405718), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1302388), _1405692, fail)), '$restore_trace'(_1405716, _1405718))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1405716, _1405718))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1302388), _1405692, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_1302388)
   Call: (231) [system] atom_chars(_1302388, ['A', n, d, 'L', i, n, k])
   Exit: (231) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1414168)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1416026)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1422836)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1425540)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'=(;)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1434932)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (229) [system] 'B'=')'
   Call: (229) [system] 'B'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1438646)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1440504)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'=(;)
^  Call: (231) [user] is_like_space('B')
   Call: (232) [system] char_type('B', 'white')
   Call: (232) [system] char_type('B', end_of_line)
   Call: (232) [system] char_type('B', space)
   Call: (232) [system] char_type('B', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1448972)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'='('
   Call: (230) [system] 'B'='['
   Call: (230) [system] 'B'='{'
   Call: (230) [system] 'B'='"'
   Call: (230) [system] 'B'=!
   Call: (230) [system] 'B'='\''
   Call: (230) [system] 'B'='`'
   Call: (230) [system] 'B'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1438646)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1459190)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1460124)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1459190=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq('B', [], _1438646)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1469434, _1469436), once(user:catch(read_from_chars(['B'], _1438646), _1469410, fail)), '$restore_trace'(_1469434, _1469436))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1469434, _1469436))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1438646), _1469410, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1438646)
   Call: (232) [system] atom_chars(_1438646, ['B'])
   Exit: (232) [system] atom_chars('B', ['B'])
^  Exit: (231) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1477886)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1479744)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1486554)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1489258)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=(;)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1498650)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=')'
   Call: (230) [system] 'B'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1502364)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1504222)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=(;)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1512690)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'='('
   Call: (231) [system] 'B'='['
   Call: (231) [system] 'B'='{'
   Call: (231) [system] 'B'='"'
   Call: (231) [system] 'B'=!
   Call: (231) [system] 'B'='\''
   Call: (231) [system] 'B'='`'
   Call: (231) [system] 'B'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1502364)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1522908)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1523842)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1527634, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1522908=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('B', [], _1502364)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1534096, _1534098), once(user:catch(read_from_chars(['B'], _1502364), _1534072, fail)), '$restore_trace'(_1534096, _1534098))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1534096, _1534098))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1502364), _1534072, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1502364)
   Call: (233) [system] atom_chars(_1502364, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1542548)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1544406)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1552874)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _1556664)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _1542548=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1477886=['B']
   Exit: (230) [system] ['B']=['B']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (229) [system] _1414168=['B', 'B']
   Exit: (229) [system] ['B', 'B']=['B', 'B']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['B', 'B'])
   Call: (228) [system] _1274310=['AndLink', 'B', 'B']
   Exit: (228) [system] ['AndLink', 'B', 'B']=['AndLink', 'B', 'B']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'B', 'B'])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'B', 'B'])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1570546)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1572404)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1580872)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _1584662)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _1570546=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _1249832=[['AndLink', 'B', 'B']]
   Exit: (226) [system] [['AndLink', 'B', 'B']]=[['AndLink', 'B', 'B']]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'B', 'B']])
   Call: (225) [system] _623762=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]
   Exit: (225) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']])
   Call: (224) [system] _495994=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]
   Exit: (224) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _1598544)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1600402)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=(;)
^  Call: (224) [user] is_like_space(')')
   Call: (225) [system] char_type(')', 'white')
   Call: (225) [system] char_type(')', end_of_line)
   Call: (225) [system] char_type(')', space)
   Call: (225) [system] char_type(')', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1608870)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ')')
   Call: (223) [system] ')'=')'
   Exit: (223) [system] ')'=')'
   Call: (223) [system] get_char((0x56051b6b4f40), _1612660)
   Exit: (223) [system] get_char((0x56051b6b4f40), ')')
   Call: (223) [system] _1598544=[]
   Exit: (223) [system] []=[]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (222) [system] _471516=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]]
   Exit: (222) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]])
   Call: (221) [system] _7696=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]]
   Exit: (221) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]])
   Call: (220) [system] _7688=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]]
   Exit: (220) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]]
^  Exit: (219) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]])
^  Exit: (218) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'B']]])
^  Call: (218) [user] read_list(')', (0x56051b6b4f40), _1626542)
^  Call: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _1628400)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (220) [system] '\n'=(;)
^  Call: (220) [user] is_like_space('\n')
   Call: (221) [system] char_type('\n', 'white')
   Call: (221) [system] char_type('\n', end_of_line)
   Exit: (221) [system] char_type('\n', end_of_line)
^  Exit: (220) [user] is_like_space('\n')
   Call: (220) [system] get_char((0x56051b6b4f40), _1636016)
   Exit: (220) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1638720)
   Exit: (221) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (221) [system] ' '=(;)
^  Call: (221) [user] is_like_space(' ')
   Call: (222) [system] char_type(' ', 'white')
   Exit: (222) [system] char_type(' ', 'white')
^  Exit: (221) [user] is_like_space(' ')
   Call: (221) [system] get_char((0x56051b6b4f40), _1645530)
   Exit: (221) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1648234)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (219) [user] skip_spaces((0x56051b6b4f40))
   Call: (219) [system] peek_char((0x56051b6b4f40), _1658550)
   Exit: (219) [system] peek_char((0x56051b6b4f40), '(')
   Call: (219) [system] '('=')'
   Call: (219) [system] '('=end_of_file
^  Call: (219) [user] cont_sexpr(')', (0x56051b6b4f40), _1662264)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1664122)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=(;)
^  Call: (221) [user] is_like_space('(')
   Call: (222) [system] char_type('(', 'white')
   Call: (222) [system] char_type('(', end_of_line)
   Call: (222) [system] char_type('(', space)
   Call: (222) [system] char_type('(', cntrl)
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] get_char((0x56051b6b4f40), _1672590)
   Exit: (220) [system] get_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('='('
   Exit: (220) [system] '('='('
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _1662264)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1678160)
   Exit: (222) [system] peek_char((0x56051b6b4f40), :)
   Call: (222) [system] (:)=(;)
^  Call: (222) [user] is_like_space(:)
   Call: (223) [system] char_type(:, 'white')
   Call: (223) [system] char_type(:, end_of_line)
   Call: (223) [system] char_type(:, space)
   Call: (223) [system] char_type(:, cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _1686628)
   Exit: (221) [system] peek_char((0x56051b6b4f40), :)
   Call: (221) [system] (:)=')'
   Call: (221) [system] (:)=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _1690342)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1692200)
   Exit: (223) [system] peek_char((0x56051b6b4f40), :)
   Call: (223) [system] (:)=(;)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _1700668)
   Exit: (222) [system] get_char((0x56051b6b4f40), :)
   Call: (222) [system] (:)='('
   Call: (222) [system] (:)='['
   Call: (222) [system] (:)='{'
   Call: (222) [system] (:)='"'
   Call: (222) [system] (:)=!
   Call: (222) [system] (:)='\''
   Call: (222) [system] (:)='`'
   Call: (222) [system] (:)=end_of_file
^  Call: (222) [user] read_symbolic(')', (0x56051b6b4f40), :, _1690342)
^  Call: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1710886)
   Call: (224) [system] peek_char((0x56051b6b4f40), _1711820)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] is_delimiter(' ')
   Call: (225) [system] char_type(' ', space)
   Exit: (225) [system] char_type(' ', space)
^  Exit: (224) [user] is_delimiter(' ')
   Call: (224) [system] _1710886=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (223) [user] classify_and_convert_charseq(:, [], _1690342)
^  Call: (225) [system] setup_call_cleanup('$notrace'(_1721130, _1721132), once(user:catch(read_from_chars([:], _1690342), _1721106, fail)), '$restore_trace'(_1721130, _1721132))
^  Call: (226) [system] sig_atomic(system:'$notrace'(_1721130, _1721132))
^  Exit: (225) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1721106, fail)), system:'$restore_trace'(3, -1))
   Call: (224) [system] atomic(:)
   Exit: (224) [system] atomic(:)
^  Exit: (223) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (222) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1728630)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1730488)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _1737298)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1740002)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1749394)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1753108)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1754966)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1763434)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1753108)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1769004)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'=(;)
^  Call: (225) [user] is_like_space('D')
   Call: (226) [system] char_type('D', 'white')
   Call: (226) [system] char_type('D', end_of_line)
   Call: (226) [system] char_type('D', space)
   Call: (226) [system] char_type('D', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1777472)
   Exit: (224) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (224) [system] 'D'=')'
   Call: (224) [system] 'D'=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1781186)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1783044)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'=(;)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1791512)
   Exit: (225) [system] get_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'='('
   Call: (225) [system] 'D'='['
   Call: (225) [system] 'D'='{'
   Call: (225) [system] 'D'='"'
   Call: (225) [system] 'D'=!
   Call: (225) [system] 'D'='\''
   Call: (225) [system] 'D'='`'
   Call: (225) [system] 'D'=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1781186)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1801730)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1802664)
   Exit: (227) [system] peek_char((0x56051b6b4f40), i)
^  Call: (227) [user] is_delimiter(i)
   Call: (228) [system] char_type(i, space)
   Call: (228) [system] arg(_1806456, v('(', ')', end_of_file), i)
   Call: (227) [system] ')'==i
   Call: (227) [system] get_char((0x56051b6b4f40), i)
   Exit: (227) [system] get_char((0x56051b6b4f40), i)
   Call: (227) [system] i=(\)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1811026)
   Call: (228) [system] peek_char((0x56051b6b4f40), _1811960)
   Exit: (228) [system] peek_char((0x56051b6b4f40), s)
^  Call: (228) [user] is_delimiter(s)
   Call: (229) [system] char_type(s, space)
   Call: (229) [system] arg(_1815752, v('(', ')', end_of_file), s)
   Call: (228) [system] ')'==s
   Call: (228) [system] get_char((0x56051b6b4f40), s)
   Exit: (228) [system] get_char((0x56051b6b4f40), s)
   Call: (228) [system] s=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1820322)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1821256)
   Exit: (229) [system] peek_char((0x56051b6b4f40), j)
^  Call: (229) [user] is_delimiter(j)
   Call: (230) [system] char_type(j, space)
   Call: (230) [system] arg(_1825048, v('(', ')', end_of_file), j)
   Call: (229) [system] ')'==j
   Call: (229) [system] get_char((0x56051b6b4f40), j)
   Exit: (229) [system] get_char((0x56051b6b4f40), j)
   Call: (229) [system] j=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1829618)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1830552)
   Exit: (230) [system] peek_char((0x56051b6b4f40), u)
^  Call: (230) [user] is_delimiter(u)
   Call: (231) [system] char_type(u, space)
   Call: (231) [system] arg(_1834344, v('(', ')', end_of_file), u)
   Call: (230) [system] ')'==u
   Call: (230) [system] get_char((0x56051b6b4f40), u)
   Exit: (230) [system] get_char((0x56051b6b4f40), u)
   Call: (230) [system] u=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1838914)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1839848)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_1843640, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1848210)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1849144)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_1852936, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1857506)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1858440)
   Exit: (233) [system] peek_char((0x56051b6b4f40), t)
^  Call: (233) [user] is_delimiter(t)
   Call: (234) [system] char_type(t, space)
   Call: (234) [system] arg(_1862232, v('(', ')', end_of_file), t)
   Call: (233) [system] ')'==t
   Call: (233) [system] get_char((0x56051b6b4f40), t)
   Exit: (233) [system] get_char((0x56051b6b4f40), t)
   Call: (233) [system] t=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1866802)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1867736)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1871528, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1876098)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1877032)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_1880824, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1885394)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1886328)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1890120, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1894690)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1895624)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (237) [user] is_delimiter('I')
   Call: (238) [system] char_type('I', space)
   Call: (238) [system] arg(_1899416, v('(', ')', end_of_file), 'I')
   Call: (237) [system] ')'=='I'
   Call: (237) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (237) [system] get_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1903986)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1904920)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1908712, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1913282)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1914216)
   Exit: (239) [system] peek_char((0x56051b6b4f40), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1918008, v('(', ')', end_of_file), t)
   Call: (239) [system] ')'==t
   Call: (239) [system] get_char((0x56051b6b4f40), t)
   Exit: (239) [system] get_char((0x56051b6b4f40), t)
   Call: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1922578)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1923512)
   Exit: (240) [system] peek_char((0x56051b6b4f40), r)
^  Call: (240) [user] is_delimiter(r)
   Call: (241) [system] char_type(r, space)
   Call: (241) [system] arg(_1927304, v('(', ')', end_of_file), r)
   Call: (240) [system] ')'==r
   Call: (240) [system] get_char((0x56051b6b4f40), r)
   Exit: (240) [system] get_char((0x56051b6b4f40), r)
   Call: (240) [system] r=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1931874)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1932808)
   Exit: (241) [system] peek_char((0x56051b6b4f40), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1936600, v('(', ')', end_of_file), o)
   Call: (241) [system] ')'==o
   Call: (241) [system] get_char((0x56051b6b4f40), o)
   Exit: (241) [system] get_char((0x56051b6b4f40), o)
   Call: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1941170)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1942104)
   Exit: (242) [system] peek_char((0x56051b6b4f40), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_1945896, v('(', ')', end_of_file), d)
   Call: (242) [system] ')'==d
   Call: (242) [system] get_char((0x56051b6b4f40), d)
   Exit: (242) [system] get_char((0x56051b6b4f40), d)
   Call: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1950466)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1951400)
   Exit: (243) [system] peek_char((0x56051b6b4f40), u)
^  Call: (243) [user] is_delimiter(u)
   Call: (244) [system] char_type(u, space)
   Call: (244) [system] arg(_1955192, v('(', ')', end_of_file), u)
   Call: (243) [system] ')'==u
   Call: (243) [system] get_char((0x56051b6b4f40), u)
   Exit: (243) [system] get_char((0x56051b6b4f40), u)
   Call: (243) [system] u=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959762)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1960696)
   Exit: (244) [system] peek_char((0x56051b6b4f40), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_1964488, v('(', ')', end_of_file), c)
   Call: (244) [system] ')'==c
   Call: (244) [system] get_char((0x56051b6b4f40), c)
   Exit: (244) [system] get_char((0x56051b6b4f40), c)
   Call: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1969058)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1969992)
   Exit: (245) [system] peek_char((0x56051b6b4f40), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_1973784, v('(', ')', end_of_file), t)
   Call: (245) [system] ')'==t
   Call: (245) [system] get_char((0x56051b6b4f40), t)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1978354)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1979288)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_1983080, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1987650)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1988584)
   Exit: (247) [system] peek_char((0x56051b6b4f40), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_1992376, v('(', ')', end_of_file), o)
   Call: (247) [system] ')'==o
   Call: (247) [system] get_char((0x56051b6b4f40), o)
   Exit: (247) [system] get_char((0x56051b6b4f40), o)
   Call: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1996946)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1997880)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_2001672, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2006242)
   Call: (249) [system] peek_char((0x56051b6b4f40), _2007176)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _2006242=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (248) [system] _1996946=[n]
   Exit: (248) [system] [n]=[n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (247) [system] _1987650=[o, n]
   Exit: (247) [system] [o, n]=[o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (246) [system] _1978354=[i, o, n]
   Exit: (246) [system] [i, o, n]=[i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (245) [system] _1969058=[t, i, o, n]
   Exit: (245) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (244) [system] _1959762=[c, t, i, o, n]
   Exit: (244) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (243) [system] _1950466=[u, c, t, i, o, n]
   Exit: (243) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (242) [system] _1941170=[d, u, c, t, i, o, n]
   Exit: (242) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (241) [system] _1931874=[o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (240) [system] _1922578=[r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1913282=[t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1903986=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1894690=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1885394=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1876098=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1866802=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1857506=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _1848210=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _1838914=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _1829618=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _1820322=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _1811026=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (227) [system] _1801730=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (227) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (226) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1781186)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_2077954, _2077956), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1781186), _2077930, fail)), '$restore_trace'(_2077954, _2077956))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_2077954, _2077956))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1781186), _2077930, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(_1781186)
   Call: (227) [system] atom_chars(_1781186, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (227) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (226) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _2086406)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _2088264)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _2095074)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _8718)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(;)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _18110)
   Exit: (225) [system] peek_char((0x56051b6b4f40), a)
   Call: (225) [system] a=')'
   Call: (225) [system] a=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _21824)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _23682)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=(;)
^  Call: (227) [user] is_like_space(a)
   Call: (228) [system] char_type(a, 'white')
   Call: (228) [system] char_type(a, end_of_line)
   Call: (228) [system] char_type(a, space)
   Call: (228) [system] char_type(a, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _32150)
   Exit: (226) [system] get_char((0x56051b6b4f40), a)
   Call: (226) [system] a='('
   Call: (226) [system] a='['
   Call: (226) [system] a='{'
   Call: (226) [system] a='"'
   Call: (226) [system] a=!
   Call: (226) [system] a='\''
   Call: (226) [system] a='`'
   Call: (226) [system] a=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), a, _21824)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _42368)
   Call: (228) [system] peek_char((0x56051b6b4f40), _43302)
   Exit: (228) [system] peek_char((0x56051b6b4f40), b)
^  Call: (228) [user] is_delimiter(b)
   Call: (229) [system] char_type(b, space)
   Call: (229) [system] arg(_47094, v('(', ')', end_of_file), b)
   Call: (228) [system] ')'==b
   Call: (228) [system] get_char((0x56051b6b4f40), b)
   Exit: (228) [system] get_char((0x56051b6b4f40), b)
   Call: (228) [system] b=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _51664)
   Call: (229) [system] peek_char((0x56051b6b4f40), _52598)
   Exit: (229) [system] peek_char((0x56051b6b4f40), c)
^  Call: (229) [user] is_delimiter(c)
   Call: (230) [system] char_type(c, space)
   Call: (230) [system] arg(_56390, v('(', ')', end_of_file), c)
   Call: (229) [system] ')'==c
   Call: (229) [system] get_char((0x56051b6b4f40), c)
   Exit: (229) [system] get_char((0x56051b6b4f40), c)
   Call: (229) [system] c=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _60960)
   Call: (230) [system] peek_char((0x56051b6b4f40), _61894)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _60960=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (229) [system] _51664=[c]
   Exit: (229) [system] [c]=[c]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (228) [system] _42368=[b, c]
   Exit: (228) [system] [b, c]=[b, c]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (227) [user] classify_and_convert_charseq(a, [b, c], _21824)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_76792, _76794), once(user:catch(read_from_chars([a, b, c], _21824), _76768, fail)), '$restore_trace'(_76792, _76794))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_76792, _76794))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _76768, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(abc)
   Exit: (228) [system] atomic(abc)
^  Exit: (227) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _84292)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _86150)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _92960)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _95664)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _105056)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _108770)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _110628)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _119096)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _108770)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _124666)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=(;)
^  Call: (229) [user] is_like_space('C')
   Call: (230) [system] char_type('C', 'white')
   Call: (230) [system] char_type('C', end_of_line)
   Call: (230) [system] char_type('C', space)
   Call: (230) [system] char_type('C', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _133134)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (228) [system] 'C'=')'
   Call: (228) [system] 'C'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _136848)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _138706)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _147174)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'='('
   Call: (229) [system] 'C'='['
   Call: (229) [system] 'C'='{'
   Call: (229) [system] 'C'='"'
   Call: (229) [system] 'C'=!
   Call: (229) [system] 'C'='\''
   Call: (229) [system] 'C'='`'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _136848)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _157392)
   Call: (231) [system] peek_char((0x56051b6b4f40), _158326)
   Exit: (231) [system] peek_char((0x56051b6b4f40), o)
^  Call: (231) [user] is_delimiter(o)
   Call: (232) [system] char_type(o, space)
   Call: (232) [system] arg(_162118, v('(', ')', end_of_file), o)
   Call: (231) [system] ')'==o
   Call: (231) [system] get_char((0x56051b6b4f40), o)
   Exit: (231) [system] get_char((0x56051b6b4f40), o)
   Call: (231) [system] o=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _166688)
   Call: (232) [system] peek_char((0x56051b6b4f40), _167622)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_171414, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _175984)
   Call: (233) [system] peek_char((0x56051b6b4f40), _176918)
   Exit: (233) [system] peek_char((0x56051b6b4f40), j)
^  Call: (233) [user] is_delimiter(j)
   Call: (234) [system] char_type(j, space)
   Call: (234) [system] arg(_180710, v('(', ')', end_of_file), j)
   Call: (233) [system] ')'==j
   Call: (233) [system] get_char((0x56051b6b4f40), j)
   Exit: (233) [system] get_char((0x56051b6b4f40), j)
   Call: (233) [system] j=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _185280)
   Call: (234) [system] peek_char((0x56051b6b4f40), _186214)
   Exit: (234) [system] peek_char((0x56051b6b4f40), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_190006, v('(', ')', end_of_file), u)
   Call: (234) [system] ')'==u
   Call: (234) [system] get_char((0x56051b6b4f40), u)
   Exit: (234) [system] get_char((0x56051b6b4f40), u)
   Call: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _194576)
   Call: (235) [system] peek_char((0x56051b6b4f40), _195510)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_199302, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _203872)
   Call: (236) [system] peek_char((0x56051b6b4f40), _204806)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_208598, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _213168)
   Call: (237) [system] peek_char((0x56051b6b4f40), _214102)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_217894, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _222464)
   Call: (238) [system] peek_char((0x56051b6b4f40), _223398)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_227190, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _231760)
   Call: (239) [system] peek_char((0x56051b6b4f40), _232694)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_236486, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _241056)
   Call: (240) [system] peek_char((0x56051b6b4f40), _241990)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_245782, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _250352)
   Call: (241) [system] peek_char((0x56051b6b4f40), _251286)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (241) [user] is_delimiter('I')
   Call: (242) [system] char_type('I', space)
   Call: (242) [system] arg(_255078, v('(', ')', end_of_file), 'I')
   Call: (241) [system] ')'=='I'
   Call: (241) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (241) [system] get_char((0x56051b6b4f40), 'I')
   Call: (241) [system] 'I'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _259648)
   Call: (242) [system] peek_char((0x56051b6b4f40), _260582)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_264374, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _268944)
   Call: (243) [system] peek_char((0x56051b6b4f40), _269878)
   Exit: (243) [system] peek_char((0x56051b6b4f40), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_273670, v('(', ')', end_of_file), t)
   Call: (243) [system] ')'==t
   Call: (243) [system] get_char((0x56051b6b4f40), t)
   Exit: (243) [system] get_char((0x56051b6b4f40), t)
   Call: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _278240)
   Call: (244) [system] peek_char((0x56051b6b4f40), _279174)
   Exit: (244) [system] peek_char((0x56051b6b4f40), r)
^  Call: (244) [user] is_delimiter(r)
   Call: (245) [system] char_type(r, space)
   Call: (245) [system] arg(_282966, v('(', ')', end_of_file), r)
   Call: (244) [system] ')'==r
   Call: (244) [system] get_char((0x56051b6b4f40), r)
   Exit: (244) [system] get_char((0x56051b6b4f40), r)
   Call: (244) [system] r=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _287536)
   Call: (245) [system] peek_char((0x56051b6b4f40), _288470)
   Exit: (245) [system] peek_char((0x56051b6b4f40), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_292262, v('(', ')', end_of_file), o)
   Call: (245) [system] ')'==o
   Call: (245) [system] get_char((0x56051b6b4f40), o)
   Exit: (245) [system] get_char((0x56051b6b4f40), o)
   Call: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _296832)
   Call: (246) [system] peek_char((0x56051b6b4f40), _297766)
   Exit: (246) [system] peek_char((0x56051b6b4f40), d)
^  Call: (246) [user] is_delimiter(d)
   Call: (247) [system] char_type(d, space)
   Call: (247) [system] arg(_301558, v('(', ')', end_of_file), d)
   Call: (246) [system] ')'==d
   Call: (246) [system] get_char((0x56051b6b4f40), d)
   Exit: (246) [system] get_char((0x56051b6b4f40), d)
   Call: (246) [system] d=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _306128)
   Call: (247) [system] peek_char((0x56051b6b4f40), _307062)
   Exit: (247) [system] peek_char((0x56051b6b4f40), u)
^  Call: (247) [user] is_delimiter(u)
   Call: (248) [system] char_type(u, space)
   Call: (248) [system] arg(_310854, v('(', ')', end_of_file), u)
   Call: (247) [system] ')'==u
   Call: (247) [system] get_char((0x56051b6b4f40), u)
   Exit: (247) [system] get_char((0x56051b6b4f40), u)
   Call: (247) [system] u=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _315424)
   Call: (248) [system] peek_char((0x56051b6b4f40), _316358)
   Exit: (248) [system] peek_char((0x56051b6b4f40), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_320150, v('(', ')', end_of_file), c)
   Call: (248) [system] ')'==c
   Call: (248) [system] get_char((0x56051b6b4f40), c)
   Exit: (248) [system] get_char((0x56051b6b4f40), c)
   Call: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _324720)
   Call: (249) [system] peek_char((0x56051b6b4f40), _325654)
   Exit: (249) [system] peek_char((0x56051b6b4f40), t)
^  Call: (249) [user] is_delimiter(t)
   Call: (250) [system] char_type(t, space)
   Call: (250) [system] arg(_329446, v('(', ')', end_of_file), t)
   Call: (249) [system] ')'==t
   Call: (249) [system] get_char((0x56051b6b4f40), t)
   Exit: (249) [system] get_char((0x56051b6b4f40), t)
   Call: (249) [system] t=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _334016)
   Call: (250) [system] peek_char((0x56051b6b4f40), _334950)
   Exit: (250) [system] peek_char((0x56051b6b4f40), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_338742, v('(', ')', end_of_file), i)
   Call: (250) [system] ')'==i
   Call: (250) [system] get_char((0x56051b6b4f40), i)
   Exit: (250) [system] get_char((0x56051b6b4f40), i)
   Call: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _343312)
   Call: (251) [system] peek_char((0x56051b6b4f40), _344246)
   Exit: (251) [system] peek_char((0x56051b6b4f40), o)
^  Call: (251) [user] is_delimiter(o)
   Call: (252) [system] char_type(o, space)
   Call: (252) [system] arg(_348038, v('(', ')', end_of_file), o)
   Call: (251) [system] ')'==o
   Call: (251) [system] get_char((0x56051b6b4f40), o)
   Exit: (251) [system] get_char((0x56051b6b4f40), o)
   Call: (251) [system] o=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _352608)
   Call: (252) [system] peek_char((0x56051b6b4f40), _353542)
   Exit: (252) [system] peek_char((0x56051b6b4f40), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_357334, v('(', ')', end_of_file), n)
   Call: (252) [system] ')'==n
   Call: (252) [system] get_char((0x56051b6b4f40), n)
   Exit: (252) [system] get_char((0x56051b6b4f40), n)
   Call: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _361904)
   Call: (253) [system] peek_char((0x56051b6b4f40), _362838)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _361904=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (252) [system] _352608=[n]
   Exit: (252) [system] [n]=[n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (251) [system] _343312=[o, n]
   Exit: (251) [system] [o, n]=[o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (250) [system] _334016=[i, o, n]
   Exit: (250) [system] [i, o, n]=[i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (249) [system] _324720=[t, i, o, n]
   Exit: (249) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (248) [system] _315424=[c, t, i, o, n]
   Exit: (248) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (247) [system] _306128=[u, c, t, i, o, n]
   Exit: (247) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (246) [system] _296832=[d, u, c, t, i, o, n]
   Exit: (246) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (245) [system] _287536=[o, d, u, c, t, i, o, n]
   Exit: (245) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (244) [system] _278240=[r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _268944=[t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _259648=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _250352=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _241056=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _231760=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _222464=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _213168=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _203872=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _194576=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _185280=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _175984=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _166688=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _157392=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _136848)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_433616, _433618), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _136848), _433592, fail)), '$restore_trace'(_433616, _433618))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_433616, _433618))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _136848), _433592, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_136848)
   Call: (231) [system] atom_chars(_136848, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (231) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _442068)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _443926)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _450736)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _453440)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(;)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _462832)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=')'
   Call: (229) [system] a=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _466546)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _468404)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(;)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _476872)
   Exit: (230) [system] get_char((0x56051b6b4f40), a)
   Call: (230) [system] a='('
   Call: (230) [system] a='['
   Call: (230) [system] a='{'
   Call: (230) [system] a='"'
   Call: (230) [system] a=!
   Call: (230) [system] a='\''
   Call: (230) [system] a='`'
   Call: (230) [system] a=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), a, _466546)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _487090)
   Call: (232) [system] peek_char((0x56051b6b4f40), _488024)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _487090=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq(a, [], _466546)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_497334, _497336), once(user:catch(read_from_chars([a], _466546), _497310, fail)), '$restore_trace'(_497334, _497336))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_497334, _497336))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _497310, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(a)
   Exit: (232) [system] atomic(a)
^  Exit: (231) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _504834)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _506692)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _513502)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _516206)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(;)
^  Call: (232) [user] is_like_space(c)
   Call: (233) [system] char_type(c, 'white')
   Call: (233) [system] char_type(c, end_of_line)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] char_type(c, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _525598)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
   Call: (230) [system] c=')'
   Call: (230) [system] c=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _529312)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _531170)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(;)
^  Call: (232) [user] is_like_space(c)
   Call: (233) [system] char_type(c, 'white')
   Call: (233) [system] char_type(c, end_of_line)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] char_type(c, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _539638)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c='('
   Call: (231) [system] c='['
   Call: (231) [system] c='{'
   Call: (231) [system] c='"'
   Call: (231) [system] c=!
   Call: (231) [system] c='\''
   Call: (231) [system] c='`'
   Call: (231) [system] c=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), c, _529312)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _549856)
   Call: (233) [system] peek_char((0x56051b6b4f40), _550790)
   Exit: (233) [system] peek_char((0x56051b6b4f40), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_554582, v('(', ')', end_of_file), d)
   Call: (233) [system] ')'==d
   Call: (233) [system] get_char((0x56051b6b4f40), d)
   Exit: (233) [system] get_char((0x56051b6b4f40), d)
   Call: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _559152)
   Call: (234) [system] peek_char((0x56051b6b4f40), _560086)
   Exit: (234) [system] peek_char((0x56051b6b4f40), e)
^  Call: (234) [user] is_delimiter(e)
   Call: (235) [system] char_type(e, space)
   Call: (235) [system] arg(_563878, v('(', ')', end_of_file), e)
   Call: (234) [system] ')'==e
   Call: (234) [system] get_char((0x56051b6b4f40), e)
   Exit: (234) [system] get_char((0x56051b6b4f40), e)
   Call: (234) [system] e=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _568448)
   Call: (235) [system] peek_char((0x56051b6b4f40), _569382)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_573174, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _568448=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _559152=[e]
   Exit: (234) [system] [e]=[e]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (233) [system] _549856=[d, e]
   Exit: (233) [system] [d, e]=[d, e]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (232) [user] classify_and_convert_charseq(c, [d, e], _529312)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_585224, _585226), once(user:catch(read_from_chars([c, d, e], _529312), _585200, fail)), '$restore_trace'(_585224, _585226))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_585224, _585226))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _585200, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(cde)
   Exit: (233) [system] atomic(cde)
^  Exit: (232) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _592724)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _594582)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _603050)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _606840)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _592724=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _504834=[cde]
   Exit: (230) [system] [cde]=[cde]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (229) [system] _442068=[a, cde]
   Exit: (229) [system] [a, cde]=[a, cde]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [a, cde])
   Call: (228) [system] _108770=['ConjunctionIntroduction', a, cde]
   Exit: (228) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, cde])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, cde])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _620722)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _622580)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _631048)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _634838)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _620722=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _84292=[['ConjunctionIntroduction', a, cde]]
   Exit: (226) [system] [['ConjunctionIntroduction', a, cde]]=[['ConjunctionIntroduction', a, cde]]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, cde]])
   Call: (225) [system] _7840=[abc, ['ConjunctionIntroduction', a, cde]]
   Exit: (225) [system] [abc, ['ConjunctionIntroduction', a, cde]]=[abc, ['ConjunctionIntroduction', a, cde]]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', a, cde]])
   Call: (224) [system] _7832=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]]
   Exit: (224) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _648720)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _650578)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _657388)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _660092)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _669484)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _673198)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _675056)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _683524)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _673198)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _689094)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'=(;)
^  Call: (226) [user] is_like_space('O')
   Call: (227) [system] char_type('O', 'white')
   Call: (227) [system] char_type('O', end_of_line)
   Call: (227) [system] char_type('O', space)
   Call: (227) [system] char_type('O', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _697562)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (225) [system] 'O'=')'
   Call: (225) [system] 'O'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _701276)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _703134)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'=(;)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _711602)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'='('
   Call: (226) [system] 'O'='['
   Call: (226) [system] 'O'='{'
   Call: (226) [system] 'O'='"'
   Call: (226) [system] 'O'=!
   Call: (226) [system] 'O'='\''
   Call: (226) [system] 'O'='`'
   Call: (226) [system] 'O'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _701276)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _721820)
   Call: (228) [system] peek_char((0x56051b6b4f40), _722754)
   Exit: (228) [system] peek_char((0x56051b6b4f40), r)
^  Call: (228) [user] is_delimiter(r)
   Call: (229) [system] char_type(r, space)
   Call: (229) [system] arg(_726546, v('(', ')', end_of_file), r)
   Call: (228) [system] ')'==r
   Call: (228) [system] get_char((0x56051b6b4f40), r)
   Exit: (228) [system] get_char((0x56051b6b4f40), r)
   Call: (228) [system] r=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _731116)
   Call: (229) [system] peek_char((0x56051b6b4f40), _732050)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (229) [user] is_delimiter('L')
   Call: (230) [system] char_type('L', space)
   Call: (230) [system] arg(_735842, v('(', ')', end_of_file), 'L')
   Call: (229) [system] ')'=='L'
   Call: (229) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (229) [system] get_char((0x56051b6b4f40), 'L')
   Call: (229) [system] 'L'=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _740412)
   Call: (230) [system] peek_char((0x56051b6b4f40), _741346)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_745138, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _749708)
   Call: (231) [system] peek_char((0x56051b6b4f40), _750642)
   Exit: (231) [system] peek_char((0x56051b6b4f40), n)
^  Call: (231) [user] is_delimiter(n)
   Call: (232) [system] char_type(n, space)
   Call: (232) [system] arg(_754434, v('(', ')', end_of_file), n)
   Call: (231) [system] ')'==n
   Call: (231) [system] get_char((0x56051b6b4f40), n)
   Exit: (231) [system] get_char((0x56051b6b4f40), n)
   Call: (231) [system] n=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _759004)
   Call: (232) [system] peek_char((0x56051b6b4f40), _759938)
   Exit: (232) [system] peek_char((0x56051b6b4f40), k)
^  Call: (232) [user] is_delimiter(k)
   Call: (233) [system] char_type(k, space)
   Call: (233) [system] arg(_763730, v('(', ')', end_of_file), k)
   Call: (232) [system] ')'==k
   Call: (232) [system] get_char((0x56051b6b4f40), k)
   Exit: (232) [system] get_char((0x56051b6b4f40), k)
   Call: (232) [system] k=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _768300)
   Call: (233) [system] peek_char((0x56051b6b4f40), _769234)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _768300=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _759004=[k]
   Exit: (232) [system] [k]=[k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (231) [system] _749708=[n, k]
   Exit: (231) [system] [n, k]=[n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (230) [system] _740412=[i, n, k]
   Exit: (230) [system] [i, n, k]=[i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (229) [system] _731116=['L', i, n, k]
   Exit: (229) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (228) [system] _721820=[r, 'L', i, n, k]
   Exit: (228) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (227) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _701276)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_792514, _792516), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _701276), _792490, fail)), '$restore_trace'(_792514, _792516))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_792514, _792516))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _701276), _792490, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_701276)
   Call: (228) [system] atom_chars(_701276, ['O', r, 'L', i, n, k])
   Exit: (228) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (227) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _800966)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _802824)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _809634)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _812338)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _821730)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _825444)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _827302)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _835770)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _825444)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _841340)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=(;)
^  Call: (229) [user] is_like_space('I')
   Call: (230) [system] char_type('I', 'white')
   Call: (230) [system] char_type('I', end_of_line)
   Call: (230) [system] char_type('I', space)
   Call: (230) [system] char_type('I', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _849808)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (228) [system] 'I'=')'
   Call: (228) [system] 'I'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _853522)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _855380)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'=(;)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _863848)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'='('
   Call: (229) [system] 'I'='['
   Call: (229) [system] 'I'='{'
   Call: (229) [system] 'I'='"'
   Call: (229) [system] 'I'=!
   Call: (229) [system] 'I'='\''
   Call: (229) [system] 'I'='`'
   Call: (229) [system] 'I'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _853522)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _874066)
   Call: (231) [system] peek_char((0x56051b6b4f40), _875000)
   Exit: (231) [system] peek_char((0x56051b6b4f40), m)
^  Call: (231) [user] is_delimiter(m)
   Call: (232) [system] char_type(m, space)
   Call: (232) [system] arg(_878792, v('(', ')', end_of_file), m)
   Call: (231) [system] ')'==m
   Call: (231) [system] get_char((0x56051b6b4f40), m)
   Exit: (231) [system] get_char((0x56051b6b4f40), m)
   Call: (231) [system] m=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _883362)
   Call: (232) [system] peek_char((0x56051b6b4f40), _884296)
   Exit: (232) [system] peek_char((0x56051b6b4f40), p)
^  Call: (232) [user] is_delimiter(p)
   Call: (233) [system] char_type(p, space)
   Call: (233) [system] arg(_888088, v('(', ')', end_of_file), p)
   Call: (232) [system] ')'==p
   Call: (232) [system] get_char((0x56051b6b4f40), p)
   Exit: (232) [system] get_char((0x56051b6b4f40), p)
   Call: (232) [system] p=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _892658)
   Call: (233) [system] peek_char((0x56051b6b4f40), _893592)
   Exit: (233) [system] peek_char((0x56051b6b4f40), l)
^  Call: (233) [user] is_delimiter(l)
   Call: (234) [system] char_type(l, space)
   Call: (234) [system] arg(_897384, v('(', ')', end_of_file), l)
   Call: (233) [system] ')'==l
   Call: (233) [system] get_char((0x56051b6b4f40), l)
   Exit: (233) [system] get_char((0x56051b6b4f40), l)
   Call: (233) [system] l=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _901954)
   Call: (234) [system] peek_char((0x56051b6b4f40), _902888)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_906680, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _911250)
   Call: (235) [system] peek_char((0x56051b6b4f40), _912184)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_915976, v('(', ')', end_of_file), c)
   Call: (235) [system] ')'==c
   Call: (235) [system] get_char((0x56051b6b4f40), c)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _920546)
   Call: (236) [system] peek_char((0x56051b6b4f40), _921480)
   Exit: (236) [system] peek_char((0x56051b6b4f40), a)
^  Call: (236) [user] is_delimiter(a)
   Call: (237) [system] char_type(a, space)
   Call: (237) [system] arg(_925272, v('(', ')', end_of_file), a)
   Call: (236) [system] ')'==a
   Call: (236) [system] get_char((0x56051b6b4f40), a)
   Exit: (236) [system] get_char((0x56051b6b4f40), a)
   Call: (236) [system] a=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _929842)
   Call: (237) [system] peek_char((0x56051b6b4f40), _930776)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_934568, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _939138)
   Call: (238) [system] peek_char((0x56051b6b4f40), _940072)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_943864, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _948434)
   Call: (239) [system] peek_char((0x56051b6b4f40), _949368)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_953160, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _957730)
   Call: (240) [system] peek_char((0x56051b6b4f40), _958664)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_962456, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _967026)
   Call: (241) [system] peek_char((0x56051b6b4f40), _967960)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _967026=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _957730=[n]
   Exit: (240) [system] [n]=[n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (239) [system] _948434=[o, n]
   Exit: (239) [system] [o, n]=[o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (238) [system] _939138=[i, o, n]
   Exit: (238) [system] [i, o, n]=[i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (237) [system] _929842=[t, i, o, n]
   Exit: (237) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (236) [system] _920546=[a, t, i, o, n]
   Exit: (236) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (235) [system] _911250=[c, a, t, i, o, n]
   Exit: (235) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (234) [system] _901954=[i, c, a, t, i, o, n]
   Exit: (234) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (233) [system] _892658=[l, i, c, a, t, i, o, n]
   Exit: (233) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (232) [system] _883362=[p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (231) [system] _874066=[m, p, l, i, c, a, t, i, o, n]
   Exit: (231) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _853522)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1005210, _1005212), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _853522), _1005186, fail)), '$restore_trace'(_1005210, _1005212))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1005210, _1005212))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _853522), _1005186, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_853522)
   Call: (231) [system] atom_chars(_853522, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (231) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1013662)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1015520)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1022330)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1025034)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1034426)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1038140)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1039998)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1048466)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1038140)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1054036)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1062504)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1066218)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1068076)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1076544)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1066218)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1086762)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1087696)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1091488, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1096058)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1096992)
   Exit: (235) [system] peek_char((0x56051b6b4f40), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_1100784, v('(', ')', end_of_file), d)
   Call: (235) [system] ')'==d
   Call: (235) [system] get_char((0x56051b6b4f40), d)
   Exit: (235) [system] get_char((0x56051b6b4f40), d)
   Call: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1105354)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1106288)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (236) [user] is_delimiter('L')
   Call: (237) [system] char_type('L', space)
   Call: (237) [system] arg(_1110080, v('(', ')', end_of_file), 'L')
   Call: (236) [system] ')'=='L'
   Call: (236) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (236) [system] get_char((0x56051b6b4f40), 'L')
   Call: (236) [system] 'L'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1114650)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1115584)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1119376, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1123946)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1124880)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1128672, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1133242)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1134176)
   Exit: (239) [system] peek_char((0x56051b6b4f40), k)
^  Call: (239) [user] is_delimiter(k)
   Call: (240) [system] char_type(k, space)
   Call: (240) [system] arg(_1137968, v('(', ')', end_of_file), k)
   Call: (239) [system] ')'==k
   Call: (239) [system] get_char((0x56051b6b4f40), k)
   Exit: (239) [system] get_char((0x56051b6b4f40), k)
   Call: (239) [system] k=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1142538)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1143472)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1142538=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _1133242=[k]
   Exit: (239) [system] [k]=[k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (238) [system] _1123946=[n, k]
   Exit: (238) [system] [n, k]=[n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (237) [system] _1114650=[i, n, k]
   Exit: (237) [system] [i, n, k]=[i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (236) [system] _1105354=['L', i, n, k]
   Exit: (236) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (235) [system] _1096058=[d, 'L', i, n, k]
   Exit: (235) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (234) [system] _1086762=[n, d, 'L', i, n, k]
   Exit: (234) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (233) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1066218)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1169546, _1169548), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1066218), _1169522, fail)), '$restore_trace'(_1169546, _1169548))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1169546, _1169548))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1066218), _1169522, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1066218)
   Call: (234) [system] atom_chars(_1066218, ['A', n, d, 'L', i, n, k])
   Exit: (234) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1177998)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1179856)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1186666)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1189370)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1198762)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=')'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1202476)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1204334)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1212802)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'='('
   Call: (233) [system] 'A'='['
   Call: (233) [system] 'A'='{'
   Call: (233) [system] 'A'='"'
   Call: (233) [system] 'A'=!
   Call: (233) [system] 'A'='\''
   Call: (233) [system] 'A'='`'
   Call: (233) [system] 'A'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1202476)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1223020)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1223954)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1223020=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq('A', [], _1202476)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1233264, _1233266), once(user:catch(read_from_chars(['A'], _1202476), _1233240, fail)), '$restore_trace'(_1233264, _1233266))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1233264, _1233266))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1202476), _1233240, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1202476)
   Call: (235) [system] atom_chars(_1202476, ['A'])
   Exit: (235) [system] atom_chars('A', ['A'])
^  Exit: (234) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1241716)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1243574)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1250384)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1253088)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (235) [system] 'B'=(;)
^  Call: (235) [user] is_like_space('B')
   Call: (236) [system] char_type('B', 'white')
   Call: (236) [system] char_type('B', end_of_line)
   Call: (236) [system] char_type('B', space)
   Call: (236) [system] char_type('B', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1262480)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'=')'
   Call: (233) [system] 'B'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1266194)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1268052)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (235) [system] 'B'=(;)
^  Call: (235) [user] is_like_space('B')
   Call: (236) [system] char_type('B', 'white')
   Call: (236) [system] char_type('B', end_of_line)
   Call: (236) [system] char_type('B', space)
   Call: (236) [system] char_type('B', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1276520)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'='('
   Call: (234) [system] 'B'='['
   Call: (234) [system] 'B'='{'
   Call: (234) [system] 'B'='"'
   Call: (234) [system] 'B'=!
   Call: (234) [system] 'B'='\''
   Call: (234) [system] 'B'='`'
   Call: (234) [system] 'B'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1266194)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1286738)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1287672)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_1291464, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _1286738=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq('B', [], _1266194)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1297926, _1297928), once(user:catch(read_from_chars(['B'], _1266194), _1297902, fail)), '$restore_trace'(_1297926, _1297928))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1297926, _1297928))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1266194), _1297902, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1266194)
   Call: (236) [system] atom_chars(_1266194, ['B'])
   Exit: (236) [system] atom_chars('B', ['B'])
^  Exit: (235) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1306378)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1308236)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1316704)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _1320494)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _1306378=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1241716=['B']
   Exit: (233) [system] ['B']=['B']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (232) [system] _1177998=['A', 'B']
   Exit: (232) [system] ['A', 'B']=['A', 'B']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (231) [system] _1038140=['AndLink', 'A', 'B']
   Exit: (231) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1334376)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1336234)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1343044)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1345748)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'=(;)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1355140)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=')'
   Call: (230) [system] 'C'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1358854)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1360712)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'=(;)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1369180)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'='('
   Call: (231) [system] 'C'='['
   Call: (231) [system] 'C'='{'
   Call: (231) [system] 'C'='"'
   Call: (231) [system] 'C'=!
   Call: (231) [system] 'C'='\''
   Call: (231) [system] 'C'='`'
   Call: (231) [system] 'C'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1358854)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1379398)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1380332)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (233) [user] is_delimiter(')')
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] arg(_1384124, v('(', ')', end_of_file), ')')
   Exit: (234) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (233) [user] is_delimiter(')')
   Call: (233) [system] _1379398=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('C', [], _1358854)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1390586, _1390588), once(user:catch(read_from_chars(['C'], _1358854), _1390562, fail)), '$restore_trace'(_1390586, _1390588))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1390586, _1390588))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1358854), _1390562, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1358854)
   Call: (233) [system] atom_chars(_1358854, ['C'])
   Exit: (233) [system] atom_chars('C', ['C'])
^  Exit: (232) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1399038)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1400896)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1409364)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _1413154)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _1399038=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _1334376=['C']
   Exit: (230) [system] ['C']=['C']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (229) [system] _1013662=[['AndLink', 'A', 'B'], 'C']
   Exit: (229) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (228) [system] _825444=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (228) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1427036)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1428894)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1435704)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1438408)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1447800)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1451514)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1453372)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1461840)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1451514)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1467410)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=(;)
^  Call: (230) [user] is_like_space('A')
   Call: (231) [system] char_type('A', 'white')
   Call: (231) [system] char_type('A', end_of_line)
   Call: (231) [system] char_type('A', space)
   Call: (231) [system] char_type('A', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1475878)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (229) [system] 'A'=')'
   Call: (229) [system] 'A'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1479592)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1481450)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1489918)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'='('
   Call: (230) [system] 'A'='['
   Call: (230) [system] 'A'='{'
   Call: (230) [system] 'A'='"'
   Call: (230) [system] 'A'=!
   Call: (230) [system] 'A'='\''
   Call: (230) [system] 'A'='`'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1479592)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1500136)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1501070)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1504862, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1509432)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1510366)
   Exit: (233) [system] peek_char((0x56051b6b4f40), d)
^  Call: (233) [user] is_delimiter(d)
   Call: (234) [system] char_type(d, space)
   Call: (234) [system] arg(_1514158, v('(', ')', end_of_file), d)
   Call: (233) [system] ')'==d
   Call: (233) [system] get_char((0x56051b6b4f40), d)
   Exit: (233) [system] get_char((0x56051b6b4f40), d)
   Call: (233) [system] d=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1518728)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1519662)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_1523454, v('(', ')', end_of_file), 'L')
   Call: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (234) [system] get_char((0x56051b6b4f40), 'L')
   Call: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1528024)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1528958)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1532750, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1537320)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1538254)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1542046, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1546616)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1547550)
   Exit: (237) [system] peek_char((0x56051b6b4f40), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_1551342, v('(', ')', end_of_file), k)
   Call: (237) [system] ')'==k
   Call: (237) [system] get_char((0x56051b6b4f40), k)
   Exit: (237) [system] get_char((0x56051b6b4f40), k)
   Call: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1555912)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1556846)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1555912=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _1546616=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (236) [system] _1537320=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (235) [system] _1528024=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (234) [system] _1518728=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (233) [system] _1509432=[d, 'L', i, n, k]
   Exit: (233) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (232) [system] _1500136=[n, d, 'L', i, n, k]
   Exit: (232) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1479592)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1582920, _1582922), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1479592), _1582896, fail)), '$restore_trace'(_1582920, _1582922))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1582920, _1582922))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1479592), _1582896, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1479592)
   Call: (232) [system] atom_chars(_1479592, ['A', n, d, 'L', i, n, k])
   Exit: (232) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1591372)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1593230)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1600040)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1602744)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=(;)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1612136)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (230) [system] 'B'=')'
   Call: (230) [system] 'B'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1615850)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1617708)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'=(;)
^  Call: (232) [user] is_like_space('B')
   Call: (233) [system] char_type('B', 'white')
   Call: (233) [system] char_type('B', end_of_line)
   Call: (233) [system] char_type('B', space)
   Call: (233) [system] char_type('B', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1626176)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'='('
   Call: (231) [system] 'B'='['
   Call: (231) [system] 'B'='{'
   Call: (231) [system] 'B'='"'
   Call: (231) [system] 'B'=!
   Call: (231) [system] 'B'='\''
   Call: (231) [system] 'B'='`'
   Call: (231) [system] 'B'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1615850)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1636394)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1637328)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1636394=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq('B', [], _1615850)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1646638, _1646640), once(user:catch(read_from_chars(['B'], _1615850), _1646614, fail)), '$restore_trace'(_1646638, _1646640))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1646638, _1646640))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1615850), _1646614, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1615850)
   Call: (233) [system] atom_chars(_1615850, ['B'])
   Exit: (233) [system] atom_chars('B', ['B'])
^  Exit: (232) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1655090)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1656948)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1663758)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1666462)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1675854)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=')'
   Call: (231) [system] '('=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1679568)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1681426)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1689894)
   Exit: (232) [system] get_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('='('
   Exit: (232) [system] '('='('
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1679568)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1695464)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'=(;)
^  Call: (234) [user] is_like_space('I')
   Call: (235) [system] char_type('I', 'white')
   Call: (235) [system] char_type('I', end_of_line)
   Call: (235) [system] char_type('I', space)
   Call: (235) [system] char_type('I', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1703932)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'=')'
   Call: (233) [system] 'I'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1707646)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1709504)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'=(;)
^  Call: (235) [user] is_like_space('I')
   Call: (236) [system] char_type('I', 'white')
   Call: (236) [system] char_type('I', end_of_line)
   Call: (236) [system] char_type('I', space)
   Call: (236) [system] char_type('I', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1717972)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'='('
   Call: (234) [system] 'I'='['
   Call: (234) [system] 'I'='{'
   Call: (234) [system] 'I'='"'
   Call: (234) [system] 'I'=!
   Call: (234) [system] 'I'='\''
   Call: (234) [system] 'I'='`'
   Call: (234) [system] 'I'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1707646)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1728190)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1729124)
   Exit: (236) [system] peek_char((0x56051b6b4f40), m)
^  Call: (236) [user] is_delimiter(m)
   Call: (237) [system] char_type(m, space)
   Call: (237) [system] arg(_1732916, v('(', ')', end_of_file), m)
   Call: (236) [system] ')'==m
   Call: (236) [system] get_char((0x56051b6b4f40), m)
   Exit: (236) [system] get_char((0x56051b6b4f40), m)
   Call: (236) [system] m=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1737486)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1738420)
   Exit: (237) [system] peek_char((0x56051b6b4f40), p)
^  Call: (237) [user] is_delimiter(p)
   Call: (238) [system] char_type(p, space)
   Call: (238) [system] arg(_1742212, v('(', ')', end_of_file), p)
   Call: (237) [system] ')'==p
   Call: (237) [system] get_char((0x56051b6b4f40), p)
   Exit: (237) [system] get_char((0x56051b6b4f40), p)
   Call: (237) [system] p=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1746782)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1747716)
   Exit: (238) [system] peek_char((0x56051b6b4f40), l)
^  Call: (238) [user] is_delimiter(l)
   Call: (239) [system] char_type(l, space)
   Call: (239) [system] arg(_1751508, v('(', ')', end_of_file), l)
   Call: (238) [system] ')'==l
   Call: (238) [system] get_char((0x56051b6b4f40), l)
   Exit: (238) [system] get_char((0x56051b6b4f40), l)
   Call: (238) [system] l=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1756078)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1757012)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1760804, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1765374)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1766308)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_1770100, v('(', ')', end_of_file), c)
   Call: (240) [system] ')'==c
   Call: (240) [system] get_char((0x56051b6b4f40), c)
   Exit: (240) [system] get_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1774670)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1775604)
   Exit: (241) [system] peek_char((0x56051b6b4f40), a)
^  Call: (241) [user] is_delimiter(a)
   Call: (242) [system] char_type(a, space)
   Call: (242) [system] arg(_1779396, v('(', ')', end_of_file), a)
   Call: (241) [system] ')'==a
   Call: (241) [system] get_char((0x56051b6b4f40), a)
   Exit: (241) [system] get_char((0x56051b6b4f40), a)
   Call: (241) [system] a=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1783966)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1784900)
   Exit: (242) [system] peek_char((0x56051b6b4f40), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_1788692, v('(', ')', end_of_file), t)
   Call: (242) [system] ')'==t
   Call: (242) [system] get_char((0x56051b6b4f40), t)
   Exit: (242) [system] get_char((0x56051b6b4f40), t)
   Call: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1793262)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1794196)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1797988, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1802558)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1803492)
   Exit: (244) [system] peek_char((0x56051b6b4f40), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_1807284, v('(', ')', end_of_file), o)
   Call: (244) [system] ')'==o
   Call: (244) [system] get_char((0x56051b6b4f40), o)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1811854)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1812788)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1816580, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1821150)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1822084)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1821150=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (245) [system] _1811854=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (244) [system] _1802558=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (243) [system] _1793262=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (242) [system] _1783966=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (241) [system] _1774670=[a, t, i, o, n]
   Exit: (241) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (240) [system] _1765374=[c, a, t, i, o, n]
   Exit: (240) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (239) [system] _1756078=[i, c, a, t, i, o, n]
   Exit: (239) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (238) [system] _1746782=[l, i, c, a, t, i, o, n]
   Exit: (238) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (237) [system] _1737486=[p, l, i, c, a, t, i, o, n]
   Exit: (237) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (236) [system] _1728190=[m, p, l, i, c, a, t, i, o, n]
   Exit: (236) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (235) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1707646)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1859334, _1859336), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1707646), _1859310, fail)), '$restore_trace'(_1859334, _1859336))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1859334, _1859336))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1707646), _1859310, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1707646)
   Call: (236) [system] atom_chars(_1707646, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (236) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (235) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1867786)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1869644)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _1876454)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1879158)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1888550)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=')'
   Call: (234) [system] '('=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1892264)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1894122)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1902590)
   Exit: (235) [system] get_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('='('
   Exit: (235) [system] '('='('
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1892264)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1908160)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (237) [system] 'O'=(;)
^  Call: (237) [user] is_like_space('O')
   Call: (238) [system] char_type('O', 'white')
   Call: (238) [system] char_type('O', end_of_line)
   Call: (238) [system] char_type('O', space)
   Call: (238) [system] char_type('O', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1916628)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (236) [system] 'O'=')'
   Call: (236) [system] 'O'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1920342)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1922200)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (238) [system] 'O'=(;)
^  Call: (238) [user] is_like_space('O')
   Call: (239) [system] char_type('O', 'white')
   Call: (239) [system] char_type('O', end_of_line)
   Call: (239) [system] char_type('O', space)
   Call: (239) [system] char_type('O', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1930668)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'O')
   Call: (237) [system] 'O'='('
   Call: (237) [system] 'O'='['
   Call: (237) [system] 'O'='{'
   Call: (237) [system] 'O'='"'
   Call: (237) [system] 'O'=!
   Call: (237) [system] 'O'='\''
   Call: (237) [system] 'O'='`'
   Call: (237) [system] 'O'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1920342)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1940886)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1941820)
   Exit: (239) [system] peek_char((0x56051b6b4f40), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_1945612, v('(', ')', end_of_file), r)
   Call: (239) [system] ')'==r
   Call: (239) [system] get_char((0x56051b6b4f40), r)
   Exit: (239) [system] get_char((0x56051b6b4f40), r)
   Call: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1950182)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1951116)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (240) [user] is_delimiter('L')
   Call: (241) [system] char_type('L', space)
   Call: (241) [system] arg(_1954908, v('(', ')', end_of_file), 'L')
   Call: (240) [system] ')'=='L'
   Call: (240) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (240) [system] get_char((0x56051b6b4f40), 'L')
   Call: (240) [system] 'L'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959478)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1960412)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1964204, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1968774)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1969708)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1973500, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1978070)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1979004)
   Exit: (243) [system] peek_char((0x56051b6b4f40), k)
^  Call: (243) [user] is_delimiter(k)
   Call: (244) [system] char_type(k, space)
   Call: (244) [system] arg(_1982796, v('(', ')', end_of_file), k)
   Call: (243) [system] ')'==k
   Call: (243) [system] get_char((0x56051b6b4f40), k)
   Exit: (243) [system] get_char((0x56051b6b4f40), k)
   Call: (243) [system] k=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1987366)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1988300)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1987366=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (243) [system] _1978070=[k]
   Exit: (243) [system] [k]=[k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (242) [system] _1968774=[n, k]
   Exit: (242) [system] [n, k]=[n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (241) [system] _1959478=[i, n, k]
   Exit: (241) [system] [i, n, k]=[i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (240) [system] _1950182=['L', i, n, k]
   Exit: (240) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (239) [system] _1940886=[r, 'L', i, n, k]
   Exit: (239) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (238) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1920342)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_2011580, _2011582), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1920342), _2011556, fail)), '$restore_trace'(_2011580, _2011582))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_2011580, _2011582))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1920342), _2011556, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_1920342)
   Call: (239) [system] atom_chars(_1920342, ['O', r, 'L', i, n, k])
   Exit: (239) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (238) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _2020032)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _2021890)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _2028700)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2031404)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'=(;)
^  Call: (239) [user] is_like_space('C')
   Call: (240) [system] char_type('C', 'white')
   Call: (240) [system] char_type('C', end_of_line)
   Call: (240) [system] char_type('C', space)
   Call: (240) [system] char_type('C', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _2040796)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'=')'
   Call: (237) [system] 'C'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _2044510)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2046368)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'=(;)
^  Call: (239) [user] is_like_space('C')
   Call: (240) [system] char_type('C', 'white')
   Call: (240) [system] char_type('C', end_of_line)
   Call: (240) [system] char_type('C', space)
   Call: (240) [system] char_type('C', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _2054836)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'='('
   Call: (238) [system] 'C'='['
   Call: (238) [system] 'C'='{'
   Call: (238) [system] 'C'='"'
   Call: (238) [system] 'C'=!
   Call: (238) [system] 'C'='\''
   Call: (238) [system] 'C'='`'
   Call: (238) [system] 'C'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2044510)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2065054)
   Call: (240) [system] peek_char((0x56051b6b4f40), _2065988)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _2065054=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq('C', [], _2044510)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_2075298, _2075300), once(user:catch(read_from_chars(['C'], _2044510), _2075274, fail)), '$restore_trace'(_2075298, _2075300))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_2075298, _2075300))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2044510), _2075274, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_2044510)
   Call: (240) [system] atom_chars(_2044510, ['C'])
   Exit: (240) [system] atom_chars('C', ['C'])
^  Exit: (239) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _2083750)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2085608)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _2092418)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _2095122)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (240) [system] 'D'=(;)
^  Call: (240) [user] is_like_space('D')
   Call: (241) [system] char_type('D', 'white')
   Call: (241) [system] char_type('D', end_of_line)
   Call: (241) [system] char_type('D', space)
   Call: (241) [system] char_type('D', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _15480)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (238) [system] 'D'=')'
   Call: (238) [system] 'D'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _19194)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _21052)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (240) [system] 'D'=(;)
^  Call: (240) [user] is_like_space('D')
   Call: (241) [system] char_type('D', 'white')
   Call: (241) [system] char_type('D', end_of_line)
   Call: (241) [system] char_type('D', space)
   Call: (241) [system] char_type('D', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _29520)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'D')
   Call: (239) [system] 'D'='('
   Call: (239) [system] 'D'='['
   Call: (239) [system] 'D'='{'
   Call: (239) [system] 'D'='"'
   Call: (239) [system] 'D'=!
   Call: (239) [system] 'D'='\''
   Call: (239) [system] 'D'='`'
   Call: (239) [system] 'D'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _19194)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _39738)
   Call: (241) [system] peek_char((0x56051b6b4f40), _40672)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (241) [user] is_delimiter(')')
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] arg(_44464, v('(', ')', end_of_file), ')')
   Exit: (242) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (241) [user] is_delimiter(')')
   Call: (241) [system] _39738=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq('D', [], _19194)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_50926, _50928), once(user:catch(read_from_chars(['D'], _19194), _50902, fail)), '$restore_trace'(_50926, _50928))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_50926, _50928))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _19194), _50902, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_19194)
   Call: (241) [system] atom_chars(_19194, ['D'])
   Exit: (241) [system] atom_chars('D', ['D'])
^  Exit: (240) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _59378)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _61236)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=(;)
^  Call: (240) [user] is_like_space(')')
   Call: (241) [system] char_type(')', 'white')
   Call: (241) [system] char_type(')', end_of_line)
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] char_type(')', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _69704)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=')'
   Exit: (239) [system] ')'=')'
   Call: (239) [system] get_char((0x56051b6b4f40), _73494)
   Exit: (239) [system] get_char((0x56051b6b4f40), ')')
   Call: (239) [system] _59378=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (238) [system] _7972=['D']
   Exit: (238) [system] ['D']=['D']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (237) [system] _7966=['C', 'D']
   Exit: (237) [system] ['C', 'D']=['C', 'D']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (236) [system] _7958=['OrLink', 'C', 'D']
   Exit: (236) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _87376)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _89234)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _96044)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _98748)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (237) [system] 'E'=(;)
^  Call: (237) [user] is_like_space('E')
   Call: (238) [system] char_type('E', 'white')
   Call: (238) [system] char_type('E', end_of_line)
   Call: (238) [system] char_type('E', space)
   Call: (238) [system] char_type('E', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _108140)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (235) [system] 'E'=')'
   Call: (235) [system] 'E'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _111854)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _113712)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (237) [system] 'E'=(;)
^  Call: (237) [user] is_like_space('E')
   Call: (238) [system] char_type('E', 'white')
   Call: (238) [system] char_type('E', end_of_line)
   Call: (238) [system] char_type('E', space)
   Call: (238) [system] char_type('E', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _122180)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'E')
   Call: (236) [system] 'E'='('
   Call: (236) [system] 'E'='['
   Call: (236) [system] 'E'='{'
   Call: (236) [system] 'E'='"'
   Call: (236) [system] 'E'=!
   Call: (236) [system] 'E'='\''
   Call: (236) [system] 'E'='`'
   Call: (236) [system] 'E'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _111854)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _132398)
   Call: (238) [system] peek_char((0x56051b6b4f40), _133332)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (238) [user] is_delimiter(')')
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] arg(_137124, v('(', ')', end_of_file), ')')
   Exit: (239) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (238) [user] is_delimiter(')')
   Call: (238) [system] _132398=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (237) [user] classify_and_convert_charseq('E', [], _111854)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_143586, _143588), once(user:catch(read_from_chars(['E'], _111854), _143562, fail)), '$restore_trace'(_143586, _143588))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_143586, _143588))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _111854), _143562, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_111854)
   Call: (238) [system] atom_chars(_111854, ['E'])
   Exit: (238) [system] atom_chars('E', ['E'])
^  Exit: (237) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _152038)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _153896)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=(;)
^  Call: (237) [user] is_like_space(')')
   Call: (238) [system] char_type(')', 'white')
   Call: (238) [system] char_type(')', end_of_line)
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] char_type(')', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _162364)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=')'
   Exit: (236) [system] ')'=')'
   Call: (236) [system] get_char((0x56051b6b4f40), _166154)
   Exit: (236) [system] get_char((0x56051b6b4f40), ')')
   Call: (236) [system] _152038=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (235) [system] _87376=['E']
   Exit: (235) [system] ['E']=['E']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (234) [system] _7954=[['OrLink', 'C', 'D'], 'E']
   Exit: (234) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (233) [system] _7946=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (233) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _180036)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _181894)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _190362)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _194152)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _180036=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _7942=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (231) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (230) [system] _7936=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (230) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (229) [system] _7928=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (229) [system] ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _208034)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _209892)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _218360)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _222150)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _208034=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _7924=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (227) [system] [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (226) [system] _7882=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (226) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (225) [system] _7874=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (225) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _236032)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _237890)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=(;)
^  Call: (225) [user] is_like_space(')')
   Call: (226) [system] char_type(')', 'white')
   Call: (226) [system] char_type(')', end_of_line)
   Call: (226) [system] char_type(')', space)
   Call: (226) [system] char_type(')', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _246358)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ')')
   Call: (224) [system] ')'=')'
   Exit: (224) [system] ')'=')'
   Call: (224) [system] get_char((0x56051b6b4f40), _250148)
   Exit: (224) [system] get_char((0x56051b6b4f40), ')')
   Call: (224) [system] _236032=[]
   Exit: (224) [system] []=[]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (223) [system] _7870=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (223) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (222) [system] _7828=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (222) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (221) [system] _7820=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (221) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (220) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (219) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (219) [user] read_list(')', (0x56051b6b4f40), _264030)
^  Call: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _265888)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (221) [system] '\n'=(;)
^  Call: (221) [user] is_like_space('\n')
   Call: (222) [system] char_type('\n', 'white')
   Call: (222) [system] char_type('\n', end_of_line)
   Exit: (222) [system] char_type('\n', end_of_line)
^  Exit: (221) [user] is_like_space('\n')
   Call: (221) [system] get_char((0x56051b6b4f40), _273504)
   Exit: (221) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _276208)
   Exit: (222) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (222) [system] ' '=(;)
^  Call: (222) [user] is_like_space(' ')
   Call: (223) [system] char_type(' ', 'white')
   Exit: (223) [system] char_type(' ', 'white')
^  Exit: (222) [user] is_like_space(' ')
   Call: (222) [system] get_char((0x56051b6b4f40), _283018)
   Exit: (222) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _285722)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (220) [user] skip_spaces((0x56051b6b4f40))
   Call: (220) [system] peek_char((0x56051b6b4f40), _296038)
   Exit: (220) [system] peek_char((0x56051b6b4f40), '(')
   Call: (220) [system] '('=')'
   Call: (220) [system] '('=end_of_file
^  Call: (220) [user] cont_sexpr(')', (0x56051b6b4f40), _299752)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _301610)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=(;)
^  Call: (222) [user] is_like_space('(')
   Call: (223) [system] char_type('(', 'white')
   Call: (223) [system] char_type('(', end_of_line)
   Call: (223) [system] char_type('(', space)
   Call: (223) [system] char_type('(', cntrl)
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] get_char((0x56051b6b4f40), _310078)
   Exit: (221) [system] get_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('='('
   Exit: (221) [system] '('='('
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _299752)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _315648)
   Exit: (223) [system] peek_char((0x56051b6b4f40), :)
   Call: (223) [system] (:)=(;)
^  Call: (223) [user] is_like_space(:)
   Call: (224) [system] char_type(:, 'white')
   Call: (224) [system] char_type(:, end_of_line)
   Call: (224) [system] char_type(:, space)
   Call: (224) [system] char_type(:, cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _324116)
   Exit: (222) [system] peek_char((0x56051b6b4f40), :)
   Call: (222) [system] (:)=')'
   Call: (222) [system] (:)=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _327830)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _329688)
   Exit: (224) [system] peek_char((0x56051b6b4f40), :)
   Call: (224) [system] (:)=(;)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _338156)
   Exit: (223) [system] get_char((0x56051b6b4f40), :)
   Call: (223) [system] (:)='('
   Call: (223) [system] (:)='['
   Call: (223) [system] (:)='{'
   Call: (223) [system] (:)='"'
   Call: (223) [system] (:)=!
   Call: (223) [system] (:)='\''
   Call: (223) [system] (:)='`'
   Call: (223) [system] (:)=end_of_file
^  Call: (223) [user] read_symbolic(')', (0x56051b6b4f40), :, _327830)
^  Call: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), _348374)
   Call: (225) [system] peek_char((0x56051b6b4f40), _349308)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] is_delimiter(' ')
   Call: (226) [system] char_type(' ', space)
   Exit: (226) [system] char_type(' ', space)
^  Exit: (225) [user] is_delimiter(' ')
   Call: (225) [system] _348374=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (224) [user] classify_and_convert_charseq(:, [], _327830)
^  Call: (226) [system] setup_call_cleanup('$notrace'(_358618, _358620), once(user:catch(read_from_chars([:], _327830), _358594, fail)), '$restore_trace'(_358618, _358620))
^  Call: (227) [system] sig_atomic(system:'$notrace'(_358618, _358620))
^  Exit: (226) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _358594, fail)), system:'$restore_trace'(3, -1))
   Call: (225) [system] atomic(:)
   Exit: (225) [system] atomic(:)
^  Exit: (224) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (223) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _366118)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _367976)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _374786)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _377490)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _386882)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _390596)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _392454)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _400922)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _390596)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _406492)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'=(;)
^  Call: (226) [user] is_like_space('D')
   Call: (227) [system] char_type('D', 'white')
   Call: (227) [system] char_type('D', end_of_line)
   Call: (227) [system] char_type('D', space)
   Call: (227) [system] char_type('D', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _414960)
   Exit: (225) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (225) [system] 'D'=')'
   Call: (225) [system] 'D'=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _418674)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _420532)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _429000)
   Exit: (226) [system] get_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'='('
   Call: (226) [system] 'D'='['
   Call: (226) [system] 'D'='{'
   Call: (226) [system] 'D'='"'
   Call: (226) [system] 'D'=!
   Call: (226) [system] 'D'='\''
   Call: (226) [system] 'D'='`'
   Call: (226) [system] 'D'=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _418674)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _439218)
   Call: (228) [system] peek_char((0x56051b6b4f40), _440152)
   Exit: (228) [system] peek_char((0x56051b6b4f40), i)
^  Call: (228) [user] is_delimiter(i)
   Call: (229) [system] char_type(i, space)
   Call: (229) [system] arg(_443944, v('(', ')', end_of_file), i)
   Call: (228) [system] ')'==i
   Call: (228) [system] get_char((0x56051b6b4f40), i)
   Exit: (228) [system] get_char((0x56051b6b4f40), i)
   Call: (228) [system] i=(\)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _448514)
   Call: (229) [system] peek_char((0x56051b6b4f40), _449448)
   Exit: (229) [system] peek_char((0x56051b6b4f40), s)
^  Call: (229) [user] is_delimiter(s)
   Call: (230) [system] char_type(s, space)
   Call: (230) [system] arg(_453240, v('(', ')', end_of_file), s)
   Call: (229) [system] ')'==s
   Call: (229) [system] get_char((0x56051b6b4f40), s)
   Exit: (229) [system] get_char((0x56051b6b4f40), s)
   Call: (229) [system] s=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _457810)
   Call: (230) [system] peek_char((0x56051b6b4f40), _458744)
   Exit: (230) [system] peek_char((0x56051b6b4f40), j)
^  Call: (230) [user] is_delimiter(j)
   Call: (231) [system] char_type(j, space)
   Call: (231) [system] arg(_462536, v('(', ')', end_of_file), j)
   Call: (230) [system] ')'==j
   Call: (230) [system] get_char((0x56051b6b4f40), j)
   Exit: (230) [system] get_char((0x56051b6b4f40), j)
   Call: (230) [system] j=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _467106)
   Call: (231) [system] peek_char((0x56051b6b4f40), _468040)
   Exit: (231) [system] peek_char((0x56051b6b4f40), u)
^  Call: (231) [user] is_delimiter(u)
   Call: (232) [system] char_type(u, space)
   Call: (232) [system] arg(_471832, v('(', ')', end_of_file), u)
   Call: (231) [system] ')'==u
   Call: (231) [system] get_char((0x56051b6b4f40), u)
   Exit: (231) [system] get_char((0x56051b6b4f40), u)
   Call: (231) [system] u=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _476402)
   Call: (232) [system] peek_char((0x56051b6b4f40), _477336)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_481128, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _485698)
   Call: (233) [system] peek_char((0x56051b6b4f40), _486632)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_490424, v('(', ')', end_of_file), c)
   Call: (233) [system] ')'==c
   Call: (233) [system] get_char((0x56051b6b4f40), c)
   Exit: (233) [system] get_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _494994)
   Call: (234) [system] peek_char((0x56051b6b4f40), _495928)
   Exit: (234) [system] peek_char((0x56051b6b4f40), t)
^  Call: (234) [user] is_delimiter(t)
   Call: (235) [system] char_type(t, space)
   Call: (235) [system] arg(_499720, v('(', ')', end_of_file), t)
   Call: (234) [system] ')'==t
   Call: (234) [system] get_char((0x56051b6b4f40), t)
   Exit: (234) [system] get_char((0x56051b6b4f40), t)
   Call: (234) [system] t=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _504290)
   Call: (235) [system] peek_char((0x56051b6b4f40), _505224)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_509016, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _513586)
   Call: (236) [system] peek_char((0x56051b6b4f40), _514520)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_518312, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _522882)
   Call: (237) [system] peek_char((0x56051b6b4f40), _523816)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_527608, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _532178)
   Call: (238) [system] peek_char((0x56051b6b4f40), _533112)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (238) [user] is_delimiter('I')
   Call: (239) [system] char_type('I', space)
   Call: (239) [system] arg(_536904, v('(', ')', end_of_file), 'I')
   Call: (238) [system] ')'=='I'
   Call: (238) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (238) [system] get_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _541474)
   Call: (239) [system] peek_char((0x56051b6b4f40), _542408)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_546200, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _550770)
   Call: (240) [system] peek_char((0x56051b6b4f40), _551704)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_555496, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _560066)
   Call: (241) [system] peek_char((0x56051b6b4f40), _561000)
   Exit: (241) [system] peek_char((0x56051b6b4f40), r)
^  Call: (241) [user] is_delimiter(r)
   Call: (242) [system] char_type(r, space)
   Call: (242) [system] arg(_564792, v('(', ')', end_of_file), r)
   Call: (241) [system] ')'==r
   Call: (241) [system] get_char((0x56051b6b4f40), r)
   Exit: (241) [system] get_char((0x56051b6b4f40), r)
   Call: (241) [system] r=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _569362)
   Call: (242) [system] peek_char((0x56051b6b4f40), _570296)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_574088, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _578658)
   Call: (243) [system] peek_char((0x56051b6b4f40), _579592)
   Exit: (243) [system] peek_char((0x56051b6b4f40), d)
^  Call: (243) [user] is_delimiter(d)
   Call: (244) [system] char_type(d, space)
   Call: (244) [system] arg(_583384, v('(', ')', end_of_file), d)
   Call: (243) [system] ')'==d
   Call: (243) [system] get_char((0x56051b6b4f40), d)
   Exit: (243) [system] get_char((0x56051b6b4f40), d)
   Call: (243) [system] d=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _587954)
   Call: (244) [system] peek_char((0x56051b6b4f40), _588888)
   Exit: (244) [system] peek_char((0x56051b6b4f40), u)
^  Call: (244) [user] is_delimiter(u)
   Call: (245) [system] char_type(u, space)
   Call: (245) [system] arg(_592680, v('(', ')', end_of_file), u)
   Call: (244) [system] ')'==u
   Call: (244) [system] get_char((0x56051b6b4f40), u)
   Exit: (244) [system] get_char((0x56051b6b4f40), u)
   Call: (244) [system] u=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _597250)
   Call: (245) [system] peek_char((0x56051b6b4f40), _598184)
   Exit: (245) [system] peek_char((0x56051b6b4f40), c)
^  Call: (245) [user] is_delimiter(c)
   Call: (246) [system] char_type(c, space)
   Call: (246) [system] arg(_601976, v('(', ')', end_of_file), c)
   Call: (245) [system] ')'==c
   Call: (245) [system] get_char((0x56051b6b4f40), c)
   Exit: (245) [system] get_char((0x56051b6b4f40), c)
   Call: (245) [system] c=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _606546)
   Call: (246) [system] peek_char((0x56051b6b4f40), _607480)
   Exit: (246) [system] peek_char((0x56051b6b4f40), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_611272, v('(', ')', end_of_file), t)
   Call: (246) [system] ')'==t
   Call: (246) [system] get_char((0x56051b6b4f40), t)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _615842)
   Call: (247) [system] peek_char((0x56051b6b4f40), _616776)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_620568, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _625138)
   Call: (248) [system] peek_char((0x56051b6b4f40), _626072)
   Exit: (248) [system] peek_char((0x56051b6b4f40), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_629864, v('(', ')', end_of_file), o)
   Call: (248) [system] ')'==o
   Call: (248) [system] get_char((0x56051b6b4f40), o)
   Exit: (248) [system] get_char((0x56051b6b4f40), o)
   Call: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _634434)
   Call: (249) [system] peek_char((0x56051b6b4f40), _635368)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_639160, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _643730)
   Call: (250) [system] peek_char((0x56051b6b4f40), _644664)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _643730=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (249) [system] _634434=[n]
   Exit: (249) [system] [n]=[n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (248) [system] _625138=[o, n]
   Exit: (248) [system] [o, n]=[o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (247) [system] _615842=[i, o, n]
   Exit: (247) [system] [i, o, n]=[i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (246) [system] _606546=[t, i, o, n]
   Exit: (246) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (245) [system] _597250=[c, t, i, o, n]
   Exit: (245) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (244) [system] _587954=[u, c, t, i, o, n]
   Exit: (244) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (243) [system] _578658=[d, u, c, t, i, o, n]
   Exit: (243) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (242) [system] _569362=[o, d, u, c, t, i, o, n]
   Exit: (242) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (241) [system] _560066=[r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _550770=[t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _541474=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _532178=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _522882=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _513586=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _504290=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _494994=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _485698=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _476402=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _467106=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _457810=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _448514=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (228) [system] _439218=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (228) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (227) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _418674)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_715442, _715444), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _418674), _715418, fail)), '$restore_trace'(_715442, _715444))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_715442, _715444))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _418674), _715418, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(_418674)
   Call: (228) [system] atom_chars(_418674, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (228) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (227) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _723894)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _725752)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _732562)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _735266)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _744658)
   Exit: (226) [system] peek_char((0x56051b6b4f40), a)
   Call: (226) [system] a=')'
   Call: (226) [system] a=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _748372)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _750230)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=(;)
^  Call: (228) [user] is_like_space(a)
   Call: (229) [system] char_type(a, 'white')
   Call: (229) [system] char_type(a, end_of_line)
   Call: (229) [system] char_type(a, space)
   Call: (229) [system] char_type(a, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _758698)
   Exit: (227) [system] get_char((0x56051b6b4f40), a)
   Call: (227) [system] a='('
   Call: (227) [system] a='['
   Call: (227) [system] a='{'
   Call: (227) [system] a='"'
   Call: (227) [system] a=!
   Call: (227) [system] a='\''
   Call: (227) [system] a='`'
   Call: (227) [system] a=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), a, _748372)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _768916)
   Call: (229) [system] peek_char((0x56051b6b4f40), _769850)
   Exit: (229) [system] peek_char((0x56051b6b4f40), b)
^  Call: (229) [user] is_delimiter(b)
   Call: (230) [system] char_type(b, space)
   Call: (230) [system] arg(_773642, v('(', ')', end_of_file), b)
   Call: (229) [system] ')'==b
   Call: (229) [system] get_char((0x56051b6b4f40), b)
   Exit: (229) [system] get_char((0x56051b6b4f40), b)
   Call: (229) [system] b=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _778212)
   Call: (230) [system] peek_char((0x56051b6b4f40), _779146)
   Exit: (230) [system] peek_char((0x56051b6b4f40), c)
^  Call: (230) [user] is_delimiter(c)
   Call: (231) [system] char_type(c, space)
   Call: (231) [system] arg(_782938, v('(', ')', end_of_file), c)
   Call: (230) [system] ')'==c
   Call: (230) [system] get_char((0x56051b6b4f40), c)
   Exit: (230) [system] get_char((0x56051b6b4f40), c)
   Call: (230) [system] c=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _787508)
   Call: (231) [system] peek_char((0x56051b6b4f40), _788442)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _787508=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (230) [system] _778212=[c]
   Exit: (230) [system] [c]=[c]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (229) [system] _768916=[b, c]
   Exit: (229) [system] [b, c]=[b, c]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (228) [user] classify_and_convert_charseq(a, [b, c], _748372)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_803340, _803342), once(user:catch(read_from_chars([a, b, c], _748372), _803316, fail)), '$restore_trace'(_803340, _803342))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_803340, _803342))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _803316, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(abc)
   Exit: (229) [system] atomic(abc)
^  Exit: (228) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _810840)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _812698)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _819508)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _822212)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _831604)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _835318)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _837176)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _845644)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _835318)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _851214)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=(;)
^  Call: (230) [user] is_like_space('C')
   Call: (231) [system] char_type('C', 'white')
   Call: (231) [system] char_type('C', end_of_line)
   Call: (231) [system] char_type('C', space)
   Call: (231) [system] char_type('C', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _859682)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (229) [system] 'C'=')'
   Call: (229) [system] 'C'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _863396)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _865254)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _873722)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'='('
   Call: (230) [system] 'C'='['
   Call: (230) [system] 'C'='{'
   Call: (230) [system] 'C'='"'
   Call: (230) [system] 'C'=!
   Call: (230) [system] 'C'='\''
   Call: (230) [system] 'C'='`'
   Call: (230) [system] 'C'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _863396)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _883940)
   Call: (232) [system] peek_char((0x56051b6b4f40), _884874)
   Exit: (232) [system] peek_char((0x56051b6b4f40), o)
^  Call: (232) [user] is_delimiter(o)
   Call: (233) [system] char_type(o, space)
   Call: (233) [system] arg(_888666, v('(', ')', end_of_file), o)
   Call: (232) [system] ')'==o
   Call: (232) [system] get_char((0x56051b6b4f40), o)
   Exit: (232) [system] get_char((0x56051b6b4f40), o)
   Call: (232) [system] o=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _893236)
   Call: (233) [system] peek_char((0x56051b6b4f40), _894170)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_897962, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _902532)
   Call: (234) [system] peek_char((0x56051b6b4f40), _903466)
   Exit: (234) [system] peek_char((0x56051b6b4f40), j)
^  Call: (234) [user] is_delimiter(j)
   Call: (235) [system] char_type(j, space)
   Call: (235) [system] arg(_907258, v('(', ')', end_of_file), j)
   Call: (234) [system] ')'==j
   Call: (234) [system] get_char((0x56051b6b4f40), j)
   Exit: (234) [system] get_char((0x56051b6b4f40), j)
   Call: (234) [system] j=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _911828)
   Call: (235) [system] peek_char((0x56051b6b4f40), _912762)
   Exit: (235) [system] peek_char((0x56051b6b4f40), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_916554, v('(', ')', end_of_file), u)
   Call: (235) [system] ')'==u
   Call: (235) [system] get_char((0x56051b6b4f40), u)
   Exit: (235) [system] get_char((0x56051b6b4f40), u)
   Call: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _921124)
   Call: (236) [system] peek_char((0x56051b6b4f40), _922058)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_925850, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _930420)
   Call: (237) [system] peek_char((0x56051b6b4f40), _931354)
   Exit: (237) [system] peek_char((0x56051b6b4f40), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_935146, v('(', ')', end_of_file), c)
   Call: (237) [system] ')'==c
   Call: (237) [system] get_char((0x56051b6b4f40), c)
   Exit: (237) [system] get_char((0x56051b6b4f40), c)
   Call: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _939716)
   Call: (238) [system] peek_char((0x56051b6b4f40), _940650)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_944442, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _949012)
   Call: (239) [system] peek_char((0x56051b6b4f40), _949946)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_953738, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _958308)
   Call: (240) [system] peek_char((0x56051b6b4f40), _959242)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_963034, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _967604)
   Call: (241) [system] peek_char((0x56051b6b4f40), _968538)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_972330, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _976900)
   Call: (242) [system] peek_char((0x56051b6b4f40), _977834)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (242) [user] is_delimiter('I')
   Call: (243) [system] char_type('I', space)
   Call: (243) [system] arg(_981626, v('(', ')', end_of_file), 'I')
   Call: (242) [system] ')'=='I'
   Call: (242) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (242) [system] get_char((0x56051b6b4f40), 'I')
   Call: (242) [system] 'I'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _986196)
   Call: (243) [system] peek_char((0x56051b6b4f40), _987130)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_990922, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _995492)
   Call: (244) [system] peek_char((0x56051b6b4f40), _996426)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1000218, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1004788)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1005722)
   Exit: (245) [system] peek_char((0x56051b6b4f40), r)
^  Call: (245) [user] is_delimiter(r)
   Call: (246) [system] char_type(r, space)
   Call: (246) [system] arg(_1009514, v('(', ')', end_of_file), r)
   Call: (245) [system] ')'==r
   Call: (245) [system] get_char((0x56051b6b4f40), r)
   Exit: (245) [system] get_char((0x56051b6b4f40), r)
   Call: (245) [system] r=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1014084)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1015018)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1018810, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1023380)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1024314)
   Exit: (247) [system] peek_char((0x56051b6b4f40), d)
^  Call: (247) [user] is_delimiter(d)
   Call: (248) [system] char_type(d, space)
   Call: (248) [system] arg(_1028106, v('(', ')', end_of_file), d)
   Call: (247) [system] ')'==d
   Call: (247) [system] get_char((0x56051b6b4f40), d)
   Exit: (247) [system] get_char((0x56051b6b4f40), d)
   Call: (247) [system] d=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1032676)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1033610)
   Exit: (248) [system] peek_char((0x56051b6b4f40), u)
^  Call: (248) [user] is_delimiter(u)
   Call: (249) [system] char_type(u, space)
   Call: (249) [system] arg(_1037402, v('(', ')', end_of_file), u)
   Call: (248) [system] ')'==u
   Call: (248) [system] get_char((0x56051b6b4f40), u)
   Exit: (248) [system] get_char((0x56051b6b4f40), u)
   Call: (248) [system] u=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1041972)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1042906)
   Exit: (249) [system] peek_char((0x56051b6b4f40), c)
^  Call: (249) [user] is_delimiter(c)
   Call: (250) [system] char_type(c, space)
   Call: (250) [system] arg(_1046698, v('(', ')', end_of_file), c)
   Call: (249) [system] ')'==c
   Call: (249) [system] get_char((0x56051b6b4f40), c)
   Exit: (249) [system] get_char((0x56051b6b4f40), c)
   Call: (249) [system] c=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1051268)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1052202)
   Exit: (250) [system] peek_char((0x56051b6b4f40), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_1055994, v('(', ')', end_of_file), t)
   Call: (250) [system] ')'==t
   Call: (250) [system] get_char((0x56051b6b4f40), t)
   Exit: (250) [system] get_char((0x56051b6b4f40), t)
   Call: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1060564)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1061498)
   Exit: (251) [system] peek_char((0x56051b6b4f40), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_1065290, v('(', ')', end_of_file), i)
   Call: (251) [system] ')'==i
   Call: (251) [system] get_char((0x56051b6b4f40), i)
   Exit: (251) [system] get_char((0x56051b6b4f40), i)
   Call: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1069860)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1070794)
   Exit: (252) [system] peek_char((0x56051b6b4f40), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_1074586, v('(', ')', end_of_file), o)
   Call: (252) [system] ')'==o
   Call: (252) [system] get_char((0x56051b6b4f40), o)
   Exit: (252) [system] get_char((0x56051b6b4f40), o)
   Call: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1079156)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1080090)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1083882, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1088452)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1089386)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1088452=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (253) [system] _1079156=[n]
   Exit: (253) [system] [n]=[n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (252) [system] _1069860=[o, n]
   Exit: (252) [system] [o, n]=[o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (251) [system] _1060564=[i, o, n]
   Exit: (251) [system] [i, o, n]=[i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (250) [system] _1051268=[t, i, o, n]
   Exit: (250) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (249) [system] _1041972=[c, t, i, o, n]
   Exit: (249) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (248) [system] _1032676=[u, c, t, i, o, n]
   Exit: (248) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (247) [system] _1023380=[d, u, c, t, i, o, n]
   Exit: (247) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (246) [system] _1014084=[o, d, u, c, t, i, o, n]
   Exit: (246) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (245) [system] _1004788=[r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _995492=[t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _986196=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _976900=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _967604=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _958308=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _949012=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _939716=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _930420=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _921124=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _911828=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _902532=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _893236=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _883940=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _863396)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1160164, _1160166), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _863396), _1160140, fail)), '$restore_trace'(_1160164, _1160166))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1160164, _1160166))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _863396), _1160140, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_863396)
   Call: (232) [system] atom_chars(_863396, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (232) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1168616)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1170474)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1177284)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1179988)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1189380)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1193094)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1194952)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1203420)
   Exit: (231) [system] get_char((0x56051b6b4f40), a)
   Call: (231) [system] a='('
   Call: (231) [system] a='['
   Call: (231) [system] a='{'
   Call: (231) [system] a='"'
   Call: (231) [system] a=!
   Call: (231) [system] a='\''
   Call: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), a, _1193094)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1213638)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1214572)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _1213638=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq(a, [], _1193094)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1223882, _1223884), once(user:catch(read_from_chars([a], _1193094), _1223858, fail)), '$restore_trace'(_1223882, _1223884))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1223882, _1223884))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1223858, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(a)
   Exit: (233) [system] atomic(a)
^  Exit: (232) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1231382)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1233240)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1240050)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1242754)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
   Call: (233) [system] a=(;)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1252146)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=')'
   Call: (231) [system] a=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1255860)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1257718)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
   Call: (233) [system] a=(;)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1266186)
   Exit: (232) [system] get_char((0x56051b6b4f40), a)
   Call: (232) [system] a='('
   Call: (232) [system] a='['
   Call: (232) [system] a='{'
   Call: (232) [system] a='"'
   Call: (232) [system] a=!
   Call: (232) [system] a='\''
   Call: (232) [system] a='`'
   Call: (232) [system] a=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), a, _1255860)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1276404)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1277338)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_1281130, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _1276404=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq(a, [], _1255860)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1287592, _1287594), once(user:catch(read_from_chars([a], _1255860), _1287568, fail)), '$restore_trace'(_1287592, _1287594))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1287592, _1287594))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1287568, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(a)
   Exit: (234) [system] atomic(a)
^  Exit: (233) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1295092)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1296950)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1305418)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _1309208)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _1295092=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _1231382=[a]
   Exit: (231) [system] [a]=[a]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (230) [system] _1168616=[a, a]
   Exit: (230) [system] [a, a]=[a, a]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (229) [system] _835318=['ConjunctionIntroduction', a, a]
   Exit: (229) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1323090)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1324948)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1333416)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _1337206)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _1323090=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _810840=[['ConjunctionIntroduction', a, a]]
   Exit: (227) [system] [['ConjunctionIntroduction', a, a]]=[['ConjunctionIntroduction', a, a]]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, a]])
   Call: (226) [system] _723894=[abc, ['ConjunctionIntroduction', a, a]]
   Exit: (226) [system] [abc, ['ConjunctionIntroduction', a, a]]=[abc, ['ConjunctionIntroduction', a, a]]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', a, a]])
   Call: (225) [system] _390596=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]
   Exit: (225) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1351088)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1352946)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _1359756)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1362460)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1371852)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1375566)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1377424)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1385892)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1375566)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1391462)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'=(;)
^  Call: (227) [user] is_like_space('O')
   Call: (228) [system] char_type('O', 'white')
   Call: (228) [system] char_type('O', end_of_line)
   Call: (228) [system] char_type('O', space)
   Call: (228) [system] char_type('O', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1399930)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (226) [system] 'O'=')'
   Call: (226) [system] 'O'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1403644)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1405502)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1413970)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'='('
   Call: (227) [system] 'O'='['
   Call: (227) [system] 'O'='{'
   Call: (227) [system] 'O'='"'
   Call: (227) [system] 'O'=!
   Call: (227) [system] 'O'='\''
   Call: (227) [system] 'O'='`'
   Call: (227) [system] 'O'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1403644)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1424188)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1425122)
   Exit: (229) [system] peek_char((0x56051b6b4f40), r)
^  Call: (229) [user] is_delimiter(r)
   Call: (230) [system] char_type(r, space)
   Call: (230) [system] arg(_1428914, v('(', ')', end_of_file), r)
   Call: (229) [system] ')'==r
   Call: (229) [system] get_char((0x56051b6b4f40), r)
   Exit: (229) [system] get_char((0x56051b6b4f40), r)
   Call: (229) [system] r=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1433484)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1434418)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (230) [user] is_delimiter('L')
   Call: (231) [system] char_type('L', space)
   Call: (231) [system] arg(_1438210, v('(', ')', end_of_file), 'L')
   Call: (230) [system] ')'=='L'
   Call: (230) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (230) [system] get_char((0x56051b6b4f40), 'L')
   Call: (230) [system] 'L'=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1442780)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1443714)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_1447506, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1452076)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1453010)
   Exit: (232) [system] peek_char((0x56051b6b4f40), n)
^  Call: (232) [user] is_delimiter(n)
   Call: (233) [system] char_type(n, space)
   Call: (233) [system] arg(_1456802, v('(', ')', end_of_file), n)
   Call: (232) [system] ')'==n
   Call: (232) [system] get_char((0x56051b6b4f40), n)
   Exit: (232) [system] get_char((0x56051b6b4f40), n)
   Call: (232) [system] n=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1461372)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1462306)
   Exit: (233) [system] peek_char((0x56051b6b4f40), k)
^  Call: (233) [user] is_delimiter(k)
   Call: (234) [system] char_type(k, space)
   Call: (234) [system] arg(_1466098, v('(', ')', end_of_file), k)
   Call: (233) [system] ')'==k
   Call: (233) [system] get_char((0x56051b6b4f40), k)
   Exit: (233) [system] get_char((0x56051b6b4f40), k)
   Call: (233) [system] k=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1470668)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1471602)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _1470668=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1461372=[k]
   Exit: (233) [system] [k]=[k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (232) [system] _1452076=[n, k]
   Exit: (232) [system] [n, k]=[n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (231) [system] _1442780=[i, n, k]
   Exit: (231) [system] [i, n, k]=[i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (230) [system] _1433484=['L', i, n, k]
   Exit: (230) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (229) [system] _1424188=[r, 'L', i, n, k]
   Exit: (229) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (228) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1403644)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1494882, _1494884), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1403644), _1494858, fail)), '$restore_trace'(_1494882, _1494884))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1494882, _1494884))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1403644), _1494858, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_1403644)
   Call: (229) [system] atom_chars(_1403644, ['O', r, 'L', i, n, k])
   Exit: (229) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (228) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1503334)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1505192)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1512002)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1514706)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1524098)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1527812)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1529670)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1538138)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1527812)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1543708)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'=(;)
^  Call: (230) [user] is_like_space('I')
   Call: (231) [system] char_type('I', 'white')
   Call: (231) [system] char_type('I', end_of_line)
   Call: (231) [system] char_type('I', space)
   Call: (231) [system] char_type('I', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1552176)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (229) [system] 'I'=')'
   Call: (229) [system] 'I'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1555890)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1557748)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'=(;)
^  Call: (231) [user] is_like_space('I')
   Call: (232) [system] char_type('I', 'white')
   Call: (232) [system] char_type('I', end_of_line)
   Call: (232) [system] char_type('I', space)
   Call: (232) [system] char_type('I', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1566216)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'='('
   Call: (230) [system] 'I'='['
   Call: (230) [system] 'I'='{'
   Call: (230) [system] 'I'='"'
   Call: (230) [system] 'I'=!
   Call: (230) [system] 'I'='\''
   Call: (230) [system] 'I'='`'
   Call: (230) [system] 'I'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1555890)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1576434)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1577368)
   Exit: (232) [system] peek_char((0x56051b6b4f40), m)
^  Call: (232) [user] is_delimiter(m)
   Call: (233) [system] char_type(m, space)
   Call: (233) [system] arg(_1581160, v('(', ')', end_of_file), m)
   Call: (232) [system] ')'==m
   Call: (232) [system] get_char((0x56051b6b4f40), m)
   Exit: (232) [system] get_char((0x56051b6b4f40), m)
   Call: (232) [system] m=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1585730)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1586664)
   Exit: (233) [system] peek_char((0x56051b6b4f40), p)
^  Call: (233) [user] is_delimiter(p)
   Call: (234) [system] char_type(p, space)
   Call: (234) [system] arg(_1590456, v('(', ')', end_of_file), p)
   Call: (233) [system] ')'==p
   Call: (233) [system] get_char((0x56051b6b4f40), p)
   Exit: (233) [system] get_char((0x56051b6b4f40), p)
   Call: (233) [system] p=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1595026)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1595960)
   Exit: (234) [system] peek_char((0x56051b6b4f40), l)
^  Call: (234) [user] is_delimiter(l)
   Call: (235) [system] char_type(l, space)
   Call: (235) [system] arg(_1599752, v('(', ')', end_of_file), l)
   Call: (234) [system] ')'==l
   Call: (234) [system] get_char((0x56051b6b4f40), l)
   Exit: (234) [system] get_char((0x56051b6b4f40), l)
   Call: (234) [system] l=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1604322)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1605256)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1609048, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1613618)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1614552)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1618344, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1622914)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1623848)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
^  Call: (237) [user] is_delimiter(a)
   Call: (238) [system] char_type(a, space)
   Call: (238) [system] arg(_1627640, v('(', ')', end_of_file), a)
   Call: (237) [system] ')'==a
   Call: (237) [system] get_char((0x56051b6b4f40), a)
   Exit: (237) [system] get_char((0x56051b6b4f40), a)
   Call: (237) [system] a=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1632210)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1633144)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1636936, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1641506)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1642440)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1646232, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1650802)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1651736)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1655528, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1660098)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1661032)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1664824, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1669394)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1670328)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1669394=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (241) [system] _1660098=[n]
   Exit: (241) [system] [n]=[n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (240) [system] _1650802=[o, n]
   Exit: (240) [system] [o, n]=[o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (239) [system] _1641506=[i, o, n]
   Exit: (239) [system] [i, o, n]=[i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (238) [system] _1632210=[t, i, o, n]
   Exit: (238) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (237) [system] _1622914=[a, t, i, o, n]
   Exit: (237) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (236) [system] _1613618=[c, a, t, i, o, n]
   Exit: (236) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (235) [system] _1604322=[i, c, a, t, i, o, n]
   Exit: (235) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (234) [system] _1595026=[l, i, c, a, t, i, o, n]
   Exit: (234) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (233) [system] _1585730=[p, l, i, c, a, t, i, o, n]
   Exit: (233) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (232) [system] _1576434=[m, p, l, i, c, a, t, i, o, n]
   Exit: (232) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1555890)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1707578, _1707580), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1555890), _1707554, fail)), '$restore_trace'(_1707578, _1707580))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1707578, _1707580))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1555890), _1707554, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1555890)
   Call: (232) [system] atom_chars(_1555890, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (232) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1716030)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1717888)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1724698)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1727402)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1736794)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1740508)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1742366)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1750834)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1740508)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1756404)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1764872)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=')'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1768586)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1770444)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1778912)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'='('
   Call: (233) [system] 'A'='['
   Call: (233) [system] 'A'='{'
   Call: (233) [system] 'A'='"'
   Call: (233) [system] 'A'=!
   Call: (233) [system] 'A'='\''
   Call: (233) [system] 'A'='`'
   Call: (233) [system] 'A'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1768586)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1789130)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1790064)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1793856, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1798426)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1799360)
   Exit: (236) [system] peek_char((0x56051b6b4f40), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_1803152, v('(', ')', end_of_file), d)
   Call: (236) [system] ')'==d
   Call: (236) [system] get_char((0x56051b6b4f40), d)
   Exit: (236) [system] get_char((0x56051b6b4f40), d)
   Call: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1807722)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1808656)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (237) [user] is_delimiter('L')
   Call: (238) [system] char_type('L', space)
   Call: (238) [system] arg(_1812448, v('(', ')', end_of_file), 'L')
   Call: (237) [system] ')'=='L'
   Call: (237) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (237) [system] get_char((0x56051b6b4f40), 'L')
   Call: (237) [system] 'L'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1817018)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1817952)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1821744, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1826314)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1827248)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1831040, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1835610)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1836544)
   Exit: (240) [system] peek_char((0x56051b6b4f40), k)
^  Call: (240) [user] is_delimiter(k)
   Call: (241) [system] char_type(k, space)
   Call: (241) [system] arg(_1840336, v('(', ')', end_of_file), k)
   Call: (240) [system] ')'==k
   Call: (240) [system] get_char((0x56051b6b4f40), k)
   Exit: (240) [system] get_char((0x56051b6b4f40), k)
   Call: (240) [system] k=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1844906)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1845840)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1844906=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _1835610=[k]
   Exit: (240) [system] [k]=[k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (239) [system] _1826314=[n, k]
   Exit: (239) [system] [n, k]=[n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (238) [system] _1817018=[i, n, k]
   Exit: (238) [system] [i, n, k]=[i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (237) [system] _1807722=['L', i, n, k]
   Exit: (237) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (236) [system] _1798426=[d, 'L', i, n, k]
   Exit: (236) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (235) [system] _1789130=[n, d, 'L', i, n, k]
   Exit: (235) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (234) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1768586)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1871914, _1871916), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1768586), _1871890, fail)), '$restore_trace'(_1871914, _1871916))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1871914, _1871916))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1768586), _1871890, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1768586)
   Call: (235) [system] atom_chars(_1768586, ['A', n, d, 'L', i, n, k])
   Exit: (235) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (234) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1880366)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1882224)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1889034)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1891738)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1901130)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=')'
   Call: (233) [system] 'A'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1904844)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1906702)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1915170)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'='('
   Call: (234) [system] 'A'='['
   Call: (234) [system] 'A'='{'
   Call: (234) [system] 'A'='"'
   Call: (234) [system] 'A'=!
   Call: (234) [system] 'A'='\''
   Call: (234) [system] 'A'='`'
   Call: (234) [system] 'A'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1904844)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1925388)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1926322)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1925388=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq('A', [], _1904844)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1935632, _1935634), once(user:catch(read_from_chars(['A'], _1904844), _1935608, fail)), '$restore_trace'(_1935632, _1935634))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1935632, _1935634))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1904844), _1935608, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1904844)
   Call: (236) [system] atom_chars(_1904844, ['A'])
   Exit: (236) [system] atom_chars('A', ['A'])
^  Exit: (235) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1944084)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1945942)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _1952752)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1955456)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'=(;)
^  Call: (236) [user] is_like_space('B')
   Call: (237) [system] char_type('B', 'white')
   Call: (237) [system] char_type('B', end_of_line)
   Call: (237) [system] char_type('B', space)
   Call: (237) [system] char_type('B', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1964848)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=')'
   Call: (234) [system] 'B'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1968562)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1970420)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'=(;)
^  Call: (236) [user] is_like_space('B')
   Call: (237) [system] char_type('B', 'white')
   Call: (237) [system] char_type('B', end_of_line)
   Call: (237) [system] char_type('B', space)
   Call: (237) [system] char_type('B', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1978888)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'B')
   Call: (235) [system] 'B'='('
   Call: (235) [system] 'B'='['
   Call: (235) [system] 'B'='{'
   Call: (235) [system] 'B'='"'
   Call: (235) [system] 'B'=!
   Call: (235) [system] 'B'='\''
   Call: (235) [system] 'B'='`'
   Call: (235) [system] 'B'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1968562)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1989106)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1990040)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_1993832, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _1989106=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (236) [user] classify_and_convert_charseq('B', [], _1968562)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_2000294, _2000296), once(user:catch(read_from_chars(['B'], _1968562), _2000270, fail)), '$restore_trace'(_2000294, _2000296))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_2000294, _2000296))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1968562), _2000270, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_1968562)
   Call: (237) [system] atom_chars(_1968562, ['B'])
   Exit: (237) [system] atom_chars('B', ['B'])
^  Exit: (236) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _2008746)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _2010604)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _2019072)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x56051b6b4f40), _2022862)
   Exit: (235) [system] get_char((0x56051b6b4f40), ')')
   Call: (235) [system] _2008746=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (234) [system] _1944084=['B']
   Exit: (234) [system] ['B']=['B']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (233) [system] _1880366=['A', 'B']
   Exit: (233) [system] ['A', 'B']=['A', 'B']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (232) [system] _1740508=['AndLink', 'A', 'B']
   Exit: (232) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _2036744)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _2038602)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _2045412)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _2048116)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=(;)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _2057508)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=')'
   Call: (231) [system] 'C'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _2061222)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _2063080)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=(;)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _2071548)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'='('
   Call: (232) [system] 'C'='['
   Call: (232) [system] 'C'='{'
   Call: (232) [system] 'C'='"'
   Call: (232) [system] 'C'=!
   Call: (232) [system] 'C'='\''
   Call: (232) [system] 'C'='`'
   Call: (232) [system] 'C'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2061222)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2081766)
   Call: (234) [system] peek_char((0x56051b6b4f40), _2082700)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (234) [user] is_delimiter(')')
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] arg(_2086492, v('(', ')', end_of_file), ')')
   Exit: (235) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (234) [user] is_delimiter(')')
   Call: (234) [system] _2081766=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('C', [], _2061222)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_2092954, _2092956), once(user:catch(read_from_chars(['C'], _2061222), _2092930, fail)), '$restore_trace'(_2092954, _2092956))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_2092954, _2092956))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2061222), _2092930, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_2061222)
   Call: (234) [system] atom_chars(_8090, ['C'])
   Exit: (234) [system] atom_chars('C', ['C'])
^  Exit: (233) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _12630)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _14488)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _22956)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _26746)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _12630=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _8086=['C']
   Exit: (231) [system] ['C']=['C']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (230) [system] _8062=[['AndLink', 'A', 'B'], 'C']
   Exit: (230) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (229) [system] _8054=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (229) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _40628)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _42486)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _49296)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _52000)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _61392)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _65106)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _66964)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _75432)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _65106)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _81002)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=(;)
^  Call: (231) [user] is_like_space('A')
   Call: (232) [system] char_type('A', 'white')
   Call: (232) [system] char_type('A', end_of_line)
   Call: (232) [system] char_type('A', space)
   Call: (232) [system] char_type('A', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _89470)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (230) [system] 'A'=')'
   Call: (230) [system] 'A'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _93184)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _95042)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _103510)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'='('
   Call: (231) [system] 'A'='['
   Call: (231) [system] 'A'='{'
   Call: (231) [system] 'A'='"'
   Call: (231) [system] 'A'=!
   Call: (231) [system] 'A'='\''
   Call: (231) [system] 'A'='`'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _93184)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _113728)
   Call: (233) [system] peek_char((0x56051b6b4f40), _114662)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_118454, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _123024)
   Call: (234) [system] peek_char((0x56051b6b4f40), _123958)
   Exit: (234) [system] peek_char((0x56051b6b4f40), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_127750, v('(', ')', end_of_file), d)
   Call: (234) [system] ')'==d
   Call: (234) [system] get_char((0x56051b6b4f40), d)
   Exit: (234) [system] get_char((0x56051b6b4f40), d)
   Call: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _132320)
   Call: (235) [system] peek_char((0x56051b6b4f40), _133254)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_137046, v('(', ')', end_of_file), 'L')
   Call: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (235) [system] get_char((0x56051b6b4f40), 'L')
   Call: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _141616)
   Call: (236) [system] peek_char((0x56051b6b4f40), _142550)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_146342, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _150912)
   Call: (237) [system] peek_char((0x56051b6b4f40), _151846)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_155638, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _160208)
   Call: (238) [system] peek_char((0x56051b6b4f40), _161142)
   Exit: (238) [system] peek_char((0x56051b6b4f40), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_164934, v('(', ')', end_of_file), k)
   Call: (238) [system] ')'==k
   Call: (238) [system] get_char((0x56051b6b4f40), k)
   Exit: (238) [system] get_char((0x56051b6b4f40), k)
   Call: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _169504)
   Call: (239) [system] peek_char((0x56051b6b4f40), _170438)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _169504=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _160208=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (237) [system] _150912=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (236) [system] _141616=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (235) [system] _132320=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (234) [system] _123024=[d, 'L', i, n, k]
   Exit: (234) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (233) [system] _113728=[n, d, 'L', i, n, k]
   Exit: (233) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _93184)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_196512, _196514), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _93184), _196488, fail)), '$restore_trace'(_196512, _196514))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_196512, _196514))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _93184), _196488, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_93184)
   Call: (233) [system] atom_chars(_93184, ['A', n, d, 'L', i, n, k])
   Exit: (233) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _204964)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _206822)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _213632)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _216336)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'=(;)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _225728)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (231) [system] 'B'=')'
   Call: (231) [system] 'B'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _229442)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _231300)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (233) [system] 'B'=(;)
^  Call: (233) [user] is_like_space('B')
   Call: (234) [system] char_type('B', 'white')
   Call: (234) [system] char_type('B', end_of_line)
   Call: (234) [system] char_type('B', space)
   Call: (234) [system] char_type('B', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _239768)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'B')
   Call: (232) [system] 'B'='('
   Call: (232) [system] 'B'='['
   Call: (232) [system] 'B'='{'
   Call: (232) [system] 'B'='"'
   Call: (232) [system] 'B'=!
   Call: (232) [system] 'B'='\''
   Call: (232) [system] 'B'='`'
   Call: (232) [system] 'B'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _229442)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _249986)
   Call: (234) [system] peek_char((0x56051b6b4f40), _250920)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _249986=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq('B', [], _229442)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_260230, _260232), once(user:catch(read_from_chars(['B'], _229442), _260206, fail)), '$restore_trace'(_260230, _260232))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_260230, _260232))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _229442), _260206, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_229442)
   Call: (234) [system] atom_chars(_229442, ['B'])
   Exit: (234) [system] atom_chars('B', ['B'])
^  Exit: (233) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _268682)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _270540)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _277350)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _280054)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _289446)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=')'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _293160)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _295018)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _303486)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'='('
   Call: (233) [system] 'A'='['
   Call: (233) [system] 'A'='{'
   Call: (233) [system] 'A'='"'
   Call: (233) [system] 'A'=!
   Call: (233) [system] 'A'='\''
   Call: (233) [system] 'A'='`'
   Call: (233) [system] 'A'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _293160)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _313704)
   Call: (235) [system] peek_char((0x56051b6b4f40), _314638)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_318430, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _313704=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq('A', [], _293160)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_324892, _324894), once(user:catch(read_from_chars(['A'], _293160), _324868, fail)), '$restore_trace'(_324892, _324894))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_324892, _324894))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _293160), _324868, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_293160)
   Call: (235) [system] atom_chars(_293160, ['A'])
   Exit: (235) [system] atom_chars('A', ['A'])
^  Exit: (234) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _333344)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _335202)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _343670)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _347460)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _333344=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _268682=['A']
   Exit: (232) [system] ['A']=['A']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (231) [system] _204964=['B', 'A']
   Exit: (231) [system] ['B', 'A']=['B', 'A']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['B', 'A'])
   Call: (230) [system] _65106=['AndLink', 'B', 'A']
   Exit: (230) [system] ['AndLink', 'B', 'A']=['AndLink', 'B', 'A']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'B', 'A'])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'B', 'A'])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _361342)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _363200)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _371668)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _375458)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _361342=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _40628=[['AndLink', 'B', 'A']]
   Exit: (228) [system] [['AndLink', 'B', 'A']]=[['AndLink', 'B', 'A']]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'B', 'A']])
   Call: (227) [system] _8050=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]
   Exit: (227) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']])
   Call: (226) [system] _8042=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]
   Exit: (226) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _389340)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _391198)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=(;)
^  Call: (226) [user] is_like_space(')')
   Call: (227) [system] char_type(')', 'white')
   Call: (227) [system] char_type(')', end_of_line)
   Call: (227) [system] char_type(')', space)
   Call: (227) [system] char_type(')', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _399666)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ')')
   Call: (225) [system] ')'=')'
   Exit: (225) [system] ')'=')'
   Call: (225) [system] get_char((0x56051b6b4f40), _403456)
   Exit: (225) [system] get_char((0x56051b6b4f40), ')')
   Call: (225) [system] _389340=[]
   Exit: (225) [system] []=[]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (224) [system] _8038=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]]
   Exit: (224) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]])
   Call: (223) [system] _7996=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]]
   Exit: (223) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]])
   Call: (222) [system] _7988=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]]
   Exit: (222) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]]
^  Exit: (221) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]])
^  Exit: (220) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'B', 'A']]])
^  Call: (220) [user] read_list(')', (0x56051b6b4f40), _417338)
^  Call: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _419196)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (222) [system] '\n'=(;)
^  Call: (222) [user] is_like_space('\n')
   Call: (223) [system] char_type('\n', 'white')
   Call: (223) [system] char_type('\n', end_of_line)
   Exit: (223) [system] char_type('\n', end_of_line)
^  Exit: (222) [user] is_like_space('\n')
   Call: (222) [system] get_char((0x56051b6b4f40), _426812)
   Exit: (222) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _429516)
   Exit: (223) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (223) [system] ' '=(;)
^  Call: (223) [user] is_like_space(' ')
   Call: (224) [system] char_type(' ', 'white')
   Exit: (224) [system] char_type(' ', 'white')
^  Exit: (223) [user] is_like_space(' ')
   Call: (223) [system] get_char((0x56051b6b4f40), _436326)
   Exit: (223) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _439030)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (221) [user] skip_spaces((0x56051b6b4f40))
   Call: (221) [system] peek_char((0x56051b6b4f40), _449346)
   Exit: (221) [system] peek_char((0x56051b6b4f40), '(')
   Call: (221) [system] '('=')'
   Call: (221) [system] '('=end_of_file
^  Call: (221) [user] cont_sexpr(')', (0x56051b6b4f40), _453060)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _454918)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=(;)
^  Call: (223) [user] is_like_space('(')
   Call: (224) [system] char_type('(', 'white')
   Call: (224) [system] char_type('(', end_of_line)
   Call: (224) [system] char_type('(', space)
   Call: (224) [system] char_type('(', cntrl)
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] get_char((0x56051b6b4f40), _463386)
   Exit: (222) [system] get_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('='('
   Exit: (222) [system] '('='('
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _453060)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _468956)
   Exit: (224) [system] peek_char((0x56051b6b4f40), :)
   Call: (224) [system] (:)=(;)
^  Call: (224) [user] is_like_space(:)
   Call: (225) [system] char_type(:, 'white')
   Call: (225) [system] char_type(:, end_of_line)
   Call: (225) [system] char_type(:, space)
   Call: (225) [system] char_type(:, cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _477424)
   Exit: (223) [system] peek_char((0x56051b6b4f40), :)
   Call: (223) [system] (:)=')'
   Call: (223) [system] (:)=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _481138)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _482996)
   Exit: (225) [system] peek_char((0x56051b6b4f40), :)
   Call: (225) [system] (:)=(;)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _491464)
   Exit: (224) [system] get_char((0x56051b6b4f40), :)
   Call: (224) [system] (:)='('
   Call: (224) [system] (:)='['
   Call: (224) [system] (:)='{'
   Call: (224) [system] (:)='"'
   Call: (224) [system] (:)=!
   Call: (224) [system] (:)='\''
   Call: (224) [system] (:)='`'
   Call: (224) [system] (:)=end_of_file
^  Call: (224) [user] read_symbolic(')', (0x56051b6b4f40), :, _481138)
^  Call: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), _501682)
   Call: (226) [system] peek_char((0x56051b6b4f40), _502616)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] is_delimiter(' ')
   Call: (227) [system] char_type(' ', space)
   Exit: (227) [system] char_type(' ', space)
^  Exit: (226) [user] is_delimiter(' ')
   Call: (226) [system] _501682=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (225) [user] classify_and_convert_charseq(:, [], _481138)
^  Call: (227) [system] setup_call_cleanup('$notrace'(_511926, _511928), once(user:catch(read_from_chars([:], _481138), _511902, fail)), '$restore_trace'(_511926, _511928))
^  Call: (228) [system] sig_atomic(system:'$notrace'(_511926, _511928))
^  Exit: (227) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _511902, fail)), system:'$restore_trace'(3, -1))
   Call: (226) [system] atomic(:)
   Exit: (226) [system] atomic(:)
^  Exit: (225) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (224) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _519426)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _521284)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _528094)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _530798)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _540190)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _543904)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _545762)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _554230)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _543904)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _559800)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=(;)
^  Call: (227) [user] is_like_space('D')
   Call: (228) [system] char_type('D', 'white')
   Call: (228) [system] char_type('D', end_of_line)
   Call: (228) [system] char_type('D', space)
   Call: (228) [system] char_type('D', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _568268)
   Exit: (226) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (226) [system] 'D'=')'
   Call: (226) [system] 'D'=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _571982)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _573840)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _582308)
   Exit: (227) [system] get_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'='('
   Call: (227) [system] 'D'='['
   Call: (227) [system] 'D'='{'
   Call: (227) [system] 'D'='"'
   Call: (227) [system] 'D'=!
   Call: (227) [system] 'D'='\''
   Call: (227) [system] 'D'='`'
   Call: (227) [system] 'D'=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _571982)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592526)
   Call: (229) [system] peek_char((0x56051b6b4f40), _593460)
   Exit: (229) [system] peek_char((0x56051b6b4f40), i)
^  Call: (229) [user] is_delimiter(i)
   Call: (230) [system] char_type(i, space)
   Call: (230) [system] arg(_597252, v('(', ')', end_of_file), i)
   Call: (229) [system] ')'==i
   Call: (229) [system] get_char((0x56051b6b4f40), i)
   Exit: (229) [system] get_char((0x56051b6b4f40), i)
   Call: (229) [system] i=(\)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _601822)
   Call: (230) [system] peek_char((0x56051b6b4f40), _602756)
   Exit: (230) [system] peek_char((0x56051b6b4f40), s)
^  Call: (230) [user] is_delimiter(s)
   Call: (231) [system] char_type(s, space)
   Call: (231) [system] arg(_606548, v('(', ')', end_of_file), s)
   Call: (230) [system] ')'==s
   Call: (230) [system] get_char((0x56051b6b4f40), s)
   Exit: (230) [system] get_char((0x56051b6b4f40), s)
   Call: (230) [system] s=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _611118)
   Call: (231) [system] peek_char((0x56051b6b4f40), _612052)
   Exit: (231) [system] peek_char((0x56051b6b4f40), j)
^  Call: (231) [user] is_delimiter(j)
   Call: (232) [system] char_type(j, space)
   Call: (232) [system] arg(_615844, v('(', ')', end_of_file), j)
   Call: (231) [system] ')'==j
   Call: (231) [system] get_char((0x56051b6b4f40), j)
   Exit: (231) [system] get_char((0x56051b6b4f40), j)
   Call: (231) [system] j=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620414)
   Call: (232) [system] peek_char((0x56051b6b4f40), _621348)
   Exit: (232) [system] peek_char((0x56051b6b4f40), u)
^  Call: (232) [user] is_delimiter(u)
   Call: (233) [system] char_type(u, space)
   Call: (233) [system] arg(_625140, v('(', ')', end_of_file), u)
   Call: (232) [system] ')'==u
   Call: (232) [system] get_char((0x56051b6b4f40), u)
   Exit: (232) [system] get_char((0x56051b6b4f40), u)
   Call: (232) [system] u=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _629710)
   Call: (233) [system] peek_char((0x56051b6b4f40), _630644)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_634436, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _639006)
   Call: (234) [system] peek_char((0x56051b6b4f40), _639940)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_643732, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _648302)
   Call: (235) [system] peek_char((0x56051b6b4f40), _649236)
   Exit: (235) [system] peek_char((0x56051b6b4f40), t)
^  Call: (235) [user] is_delimiter(t)
   Call: (236) [system] char_type(t, space)
   Call: (236) [system] arg(_653028, v('(', ')', end_of_file), t)
   Call: (235) [system] ')'==t
   Call: (235) [system] get_char((0x56051b6b4f40), t)
   Exit: (235) [system] get_char((0x56051b6b4f40), t)
   Call: (235) [system] t=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657598)
   Call: (236) [system] peek_char((0x56051b6b4f40), _658532)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_662324, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666894)
   Call: (237) [system] peek_char((0x56051b6b4f40), _667828)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_671620, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _676190)
   Call: (238) [system] peek_char((0x56051b6b4f40), _677124)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_680916, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _685486)
   Call: (239) [system] peek_char((0x56051b6b4f40), _686420)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (239) [user] is_delimiter('I')
   Call: (240) [system] char_type('I', space)
   Call: (240) [system] arg(_690212, v('(', ')', end_of_file), 'I')
   Call: (239) [system] ')'=='I'
   Call: (239) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (239) [system] get_char((0x56051b6b4f40), 'I')
   Call: (239) [system] 'I'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _694782)
   Call: (240) [system] peek_char((0x56051b6b4f40), _695716)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_699508, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _704078)
   Call: (241) [system] peek_char((0x56051b6b4f40), _705012)
   Exit: (241) [system] peek_char((0x56051b6b4f40), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_708804, v('(', ')', end_of_file), t)
   Call: (241) [system] ')'==t
   Call: (241) [system] get_char((0x56051b6b4f40), t)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _713374)
   Call: (242) [system] peek_char((0x56051b6b4f40), _714308)
   Exit: (242) [system] peek_char((0x56051b6b4f40), r)
^  Call: (242) [user] is_delimiter(r)
   Call: (243) [system] char_type(r, space)
   Call: (243) [system] arg(_718100, v('(', ')', end_of_file), r)
   Call: (242) [system] ')'==r
   Call: (242) [system] get_char((0x56051b6b4f40), r)
   Exit: (242) [system] get_char((0x56051b6b4f40), r)
   Call: (242) [system] r=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _722670)
   Call: (243) [system] peek_char((0x56051b6b4f40), _723604)
   Exit: (243) [system] peek_char((0x56051b6b4f40), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_727396, v('(', ')', end_of_file), o)
   Call: (243) [system] ')'==o
   Call: (243) [system] get_char((0x56051b6b4f40), o)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _731966)
   Call: (244) [system] peek_char((0x56051b6b4f40), _732900)
   Exit: (244) [system] peek_char((0x56051b6b4f40), d)
^  Call: (244) [user] is_delimiter(d)
   Call: (245) [system] char_type(d, space)
   Call: (245) [system] arg(_736692, v('(', ')', end_of_file), d)
   Call: (244) [system] ')'==d
   Call: (244) [system] get_char((0x56051b6b4f40), d)
   Exit: (244) [system] get_char((0x56051b6b4f40), d)
   Call: (244) [system] d=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _741262)
   Call: (245) [system] peek_char((0x56051b6b4f40), _742196)
   Exit: (245) [system] peek_char((0x56051b6b4f40), u)
^  Call: (245) [user] is_delimiter(u)
   Call: (246) [system] char_type(u, space)
   Call: (246) [system] arg(_745988, v('(', ')', end_of_file), u)
   Call: (245) [system] ')'==u
   Call: (245) [system] get_char((0x56051b6b4f40), u)
   Exit: (245) [system] get_char((0x56051b6b4f40), u)
   Call: (245) [system] u=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _750558)
   Call: (246) [system] peek_char((0x56051b6b4f40), _751492)
   Exit: (246) [system] peek_char((0x56051b6b4f40), c)
^  Call: (246) [user] is_delimiter(c)
   Call: (247) [system] char_type(c, space)
   Call: (247) [system] arg(_755284, v('(', ')', end_of_file), c)
   Call: (246) [system] ')'==c
   Call: (246) [system] get_char((0x56051b6b4f40), c)
   Exit: (246) [system] get_char((0x56051b6b4f40), c)
   Call: (246) [system] c=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _759854)
   Call: (247) [system] peek_char((0x56051b6b4f40), _760788)
   Exit: (247) [system] peek_char((0x56051b6b4f40), t)
^  Call: (247) [user] is_delimiter(t)
   Call: (248) [system] char_type(t, space)
   Call: (248) [system] arg(_764580, v('(', ')', end_of_file), t)
   Call: (247) [system] ')'==t
   Call: (247) [system] get_char((0x56051b6b4f40), t)
   Exit: (247) [system] get_char((0x56051b6b4f40), t)
   Call: (247) [system] t=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _769150)
   Call: (248) [system] peek_char((0x56051b6b4f40), _770084)
   Exit: (248) [system] peek_char((0x56051b6b4f40), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_773876, v('(', ')', end_of_file), i)
   Call: (248) [system] ')'==i
   Call: (248) [system] get_char((0x56051b6b4f40), i)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _778446)
   Call: (249) [system] peek_char((0x56051b6b4f40), _779380)
   Exit: (249) [system] peek_char((0x56051b6b4f40), o)
^  Call: (249) [user] is_delimiter(o)
   Call: (250) [system] char_type(o, space)
   Call: (250) [system] arg(_783172, v('(', ')', end_of_file), o)
   Call: (249) [system] ')'==o
   Call: (249) [system] get_char((0x56051b6b4f40), o)
   Exit: (249) [system] get_char((0x56051b6b4f40), o)
   Call: (249) [system] o=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _787742)
   Call: (250) [system] peek_char((0x56051b6b4f40), _788676)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_792468, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _797038)
   Call: (251) [system] peek_char((0x56051b6b4f40), _797972)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _797038=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (250) [system] _787742=[n]
   Exit: (250) [system] [n]=[n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (249) [system] _778446=[o, n]
   Exit: (249) [system] [o, n]=[o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (248) [system] _769150=[i, o, n]
   Exit: (248) [system] [i, o, n]=[i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (247) [system] _759854=[t, i, o, n]
   Exit: (247) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (246) [system] _750558=[c, t, i, o, n]
   Exit: (246) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (245) [system] _741262=[u, c, t, i, o, n]
   Exit: (245) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (244) [system] _731966=[d, u, c, t, i, o, n]
   Exit: (244) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (243) [system] _722670=[o, d, u, c, t, i, o, n]
   Exit: (243) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (242) [system] _713374=[r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _704078=[t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _694782=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _685486=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _676190=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _666894=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _657598=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _648302=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _639006=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _629710=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _620414=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _611118=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _601822=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (229) [system] _592526=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (229) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (228) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _571982)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_868750, _868752), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _571982), _868726, fail)), '$restore_trace'(_868750, _868752))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_868750, _868752))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _571982), _868726, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(_571982)
   Call: (229) [system] atom_chars(_571982, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (229) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (228) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _877202)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _879060)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _885870)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _888574)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _897966)
   Exit: (227) [system] peek_char((0x56051b6b4f40), a)
   Call: (227) [system] a=')'
   Call: (227) [system] a=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _901680)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _903538)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=(;)
^  Call: (229) [user] is_like_space(a)
   Call: (230) [system] char_type(a, 'white')
   Call: (230) [system] char_type(a, end_of_line)
   Call: (230) [system] char_type(a, space)
   Call: (230) [system] char_type(a, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _912006)
   Exit: (228) [system] get_char((0x56051b6b4f40), a)
   Call: (228) [system] a='('
   Call: (228) [system] a='['
   Call: (228) [system] a='{'
   Call: (228) [system] a='"'
   Call: (228) [system] a=!
   Call: (228) [system] a='\''
   Call: (228) [system] a='`'
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), a, _901680)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _922224)
   Call: (230) [system] peek_char((0x56051b6b4f40), _923158)
   Exit: (230) [system] peek_char((0x56051b6b4f40), b)
^  Call: (230) [user] is_delimiter(b)
   Call: (231) [system] char_type(b, space)
   Call: (231) [system] arg(_926950, v('(', ')', end_of_file), b)
   Call: (230) [system] ')'==b
   Call: (230) [system] get_char((0x56051b6b4f40), b)
   Exit: (230) [system] get_char((0x56051b6b4f40), b)
   Call: (230) [system] b=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _931520)
   Call: (231) [system] peek_char((0x56051b6b4f40), _932454)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
^  Call: (231) [user] is_delimiter(c)
   Call: (232) [system] char_type(c, space)
   Call: (232) [system] arg(_936246, v('(', ')', end_of_file), c)
   Call: (231) [system] ')'==c
   Call: (231) [system] get_char((0x56051b6b4f40), c)
   Exit: (231) [system] get_char((0x56051b6b4f40), c)
   Call: (231) [system] c=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _940816)
   Call: (232) [system] peek_char((0x56051b6b4f40), _941750)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _940816=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (231) [system] _931520=[c]
   Exit: (231) [system] [c]=[c]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (230) [system] _922224=[b, c]
   Exit: (230) [system] [b, c]=[b, c]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (229) [user] classify_and_convert_charseq(a, [b, c], _901680)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_956648, _956650), once(user:catch(read_from_chars([a, b, c], _901680), _956624, fail)), '$restore_trace'(_956648, _956650))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_956648, _956650))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _956624, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(abc)
   Exit: (230) [system] atomic(abc)
^  Exit: (229) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _964148)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _966006)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _972816)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _975520)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _984912)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _988626)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _990484)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _998952)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _988626)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1004522)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=(;)
^  Call: (231) [user] is_like_space('C')
   Call: (232) [system] char_type('C', 'white')
   Call: (232) [system] char_type('C', end_of_line)
   Call: (232) [system] char_type('C', space)
   Call: (232) [system] char_type('C', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1012990)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (230) [system] 'C'=')'
   Call: (230) [system] 'C'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1016704)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1018562)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'=(;)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1027030)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'='('
   Call: (231) [system] 'C'='['
   Call: (231) [system] 'C'='{'
   Call: (231) [system] 'C'='"'
   Call: (231) [system] 'C'=!
   Call: (231) [system] 'C'='\''
   Call: (231) [system] 'C'='`'
   Call: (231) [system] 'C'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1016704)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1037248)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1038182)
   Exit: (233) [system] peek_char((0x56051b6b4f40), o)
^  Call: (233) [user] is_delimiter(o)
   Call: (234) [system] char_type(o, space)
   Call: (234) [system] arg(_1041974, v('(', ')', end_of_file), o)
   Call: (233) [system] ')'==o
   Call: (233) [system] get_char((0x56051b6b4f40), o)
   Exit: (233) [system] get_char((0x56051b6b4f40), o)
   Call: (233) [system] o=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1046544)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1047478)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1051270, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1055840)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1056774)
   Exit: (235) [system] peek_char((0x56051b6b4f40), j)
^  Call: (235) [user] is_delimiter(j)
   Call: (236) [system] char_type(j, space)
   Call: (236) [system] arg(_1060566, v('(', ')', end_of_file), j)
   Call: (235) [system] ')'==j
   Call: (235) [system] get_char((0x56051b6b4f40), j)
   Exit: (235) [system] get_char((0x56051b6b4f40), j)
   Call: (235) [system] j=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1065136)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1066070)
   Exit: (236) [system] peek_char((0x56051b6b4f40), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_1069862, v('(', ')', end_of_file), u)
   Call: (236) [system] ')'==u
   Call: (236) [system] get_char((0x56051b6b4f40), u)
   Exit: (236) [system] get_char((0x56051b6b4f40), u)
   Call: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1074432)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1075366)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1079158, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1083728)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1084662)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_1088454, v('(', ')', end_of_file), c)
   Call: (238) [system] ')'==c
   Call: (238) [system] get_char((0x56051b6b4f40), c)
   Exit: (238) [system] get_char((0x56051b6b4f40), c)
   Call: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1093024)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1093958)
   Exit: (239) [system] peek_char((0x56051b6b4f40), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1097750, v('(', ')', end_of_file), t)
   Call: (239) [system] ')'==t
   Call: (239) [system] get_char((0x56051b6b4f40), t)
   Exit: (239) [system] get_char((0x56051b6b4f40), t)
   Call: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1102320)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1103254)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1107046, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1111616)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1112550)
   Exit: (241) [system] peek_char((0x56051b6b4f40), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1116342, v('(', ')', end_of_file), o)
   Call: (241) [system] ')'==o
   Call: (241) [system] get_char((0x56051b6b4f40), o)
   Exit: (241) [system] get_char((0x56051b6b4f40), o)
   Call: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1120912)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1121846)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1125638, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1130208)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1131142)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (243) [user] is_delimiter('I')
   Call: (244) [system] char_type('I', space)
   Call: (244) [system] arg(_1134934, v('(', ')', end_of_file), 'I')
   Call: (243) [system] ')'=='I'
   Call: (243) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (243) [system] get_char((0x56051b6b4f40), 'I')
   Call: (243) [system] 'I'=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1139504)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1140438)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1144230, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1148800)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1149734)
   Exit: (245) [system] peek_char((0x56051b6b4f40), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_1153526, v('(', ')', end_of_file), t)
   Call: (245) [system] ')'==t
   Call: (245) [system] get_char((0x56051b6b4f40), t)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1158096)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1159030)
   Exit: (246) [system] peek_char((0x56051b6b4f40), r)
^  Call: (246) [user] is_delimiter(r)
   Call: (247) [system] char_type(r, space)
   Call: (247) [system] arg(_1162822, v('(', ')', end_of_file), r)
   Call: (246) [system] ')'==r
   Call: (246) [system] get_char((0x56051b6b4f40), r)
   Exit: (246) [system] get_char((0x56051b6b4f40), r)
   Call: (246) [system] r=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1167392)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1168326)
   Exit: (247) [system] peek_char((0x56051b6b4f40), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_1172118, v('(', ')', end_of_file), o)
   Call: (247) [system] ')'==o
   Call: (247) [system] get_char((0x56051b6b4f40), o)
   Exit: (247) [system] get_char((0x56051b6b4f40), o)
   Call: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1176688)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1177622)
   Exit: (248) [system] peek_char((0x56051b6b4f40), d)
^  Call: (248) [user] is_delimiter(d)
   Call: (249) [system] char_type(d, space)
   Call: (249) [system] arg(_1181414, v('(', ')', end_of_file), d)
   Call: (248) [system] ')'==d
   Call: (248) [system] get_char((0x56051b6b4f40), d)
   Exit: (248) [system] get_char((0x56051b6b4f40), d)
   Call: (248) [system] d=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1185984)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1186918)
   Exit: (249) [system] peek_char((0x56051b6b4f40), u)
^  Call: (249) [user] is_delimiter(u)
   Call: (250) [system] char_type(u, space)
   Call: (250) [system] arg(_1190710, v('(', ')', end_of_file), u)
   Call: (249) [system] ')'==u
   Call: (249) [system] get_char((0x56051b6b4f40), u)
   Exit: (249) [system] get_char((0x56051b6b4f40), u)
   Call: (249) [system] u=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1195280)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1196214)
   Exit: (250) [system] peek_char((0x56051b6b4f40), c)
^  Call: (250) [user] is_delimiter(c)
   Call: (251) [system] char_type(c, space)
   Call: (251) [system] arg(_1200006, v('(', ')', end_of_file), c)
   Call: (250) [system] ')'==c
   Call: (250) [system] get_char((0x56051b6b4f40), c)
   Exit: (250) [system] get_char((0x56051b6b4f40), c)
   Call: (250) [system] c=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1204576)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1205510)
   Exit: (251) [system] peek_char((0x56051b6b4f40), t)
^  Call: (251) [user] is_delimiter(t)
   Call: (252) [system] char_type(t, space)
   Call: (252) [system] arg(_1209302, v('(', ')', end_of_file), t)
   Call: (251) [system] ')'==t
   Call: (251) [system] get_char((0x56051b6b4f40), t)
   Exit: (251) [system] get_char((0x56051b6b4f40), t)
   Call: (251) [system] t=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1213872)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1214806)
   Exit: (252) [system] peek_char((0x56051b6b4f40), i)
^  Call: (252) [user] is_delimiter(i)
   Call: (253) [system] char_type(i, space)
   Call: (253) [system] arg(_1218598, v('(', ')', end_of_file), i)
   Call: (252) [system] ')'==i
   Call: (252) [system] get_char((0x56051b6b4f40), i)
   Exit: (252) [system] get_char((0x56051b6b4f40), i)
   Call: (252) [system] i=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1223168)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1224102)
   Exit: (253) [system] peek_char((0x56051b6b4f40), o)
^  Call: (253) [user] is_delimiter(o)
   Call: (254) [system] char_type(o, space)
   Call: (254) [system] arg(_1227894, v('(', ')', end_of_file), o)
   Call: (253) [system] ')'==o
   Call: (253) [system] get_char((0x56051b6b4f40), o)
   Exit: (253) [system] get_char((0x56051b6b4f40), o)
   Call: (253) [system] o=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1232464)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1233398)
   Exit: (254) [system] peek_char((0x56051b6b4f40), n)
^  Call: (254) [user] is_delimiter(n)
   Call: (255) [system] char_type(n, space)
   Call: (255) [system] arg(_1237190, v('(', ')', end_of_file), n)
   Call: (254) [system] ')'==n
   Call: (254) [system] get_char((0x56051b6b4f40), n)
   Exit: (254) [system] get_char((0x56051b6b4f40), n)
   Call: (254) [system] n=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1241760)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1242694)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (255) [user] is_delimiter(' ')
   Call: (256) [system] char_type(' ', space)
   Exit: (256) [system] char_type(' ', space)
^  Exit: (255) [user] is_delimiter(' ')
   Call: (255) [system] _1241760=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (254) [system] _1232464=[n]
   Exit: (254) [system] [n]=[n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (253) [system] _1223168=[o, n]
   Exit: (253) [system] [o, n]=[o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (252) [system] _1213872=[i, o, n]
   Exit: (252) [system] [i, o, n]=[i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (251) [system] _1204576=[t, i, o, n]
   Exit: (251) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (250) [system] _1195280=[c, t, i, o, n]
   Exit: (250) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (249) [system] _1185984=[u, c, t, i, o, n]
   Exit: (249) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (248) [system] _1176688=[d, u, c, t, i, o, n]
   Exit: (248) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (247) [system] _1167392=[o, d, u, c, t, i, o, n]
   Exit: (247) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (246) [system] _1158096=[r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1148800=[t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1139504=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1130208=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1120912=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1111616=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1102320=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1093024=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1083728=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1074432=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1065136=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1055840=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1046544=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _1037248=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (232) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1016704)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1313472, _1313474), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1016704), _1313448, fail)), '$restore_trace'(_1313472, _1313474))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1313472, _1313474))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1016704), _1313448, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1016704)
   Call: (233) [system] atom_chars(_1016704, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (233) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (232) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1321924)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1323782)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1330592)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1333296)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(;)
^  Call: (233) [user] is_like_space(c)
   Call: (234) [system] char_type(c, 'white')
   Call: (234) [system] char_type(c, end_of_line)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] char_type(c, cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1342688)
   Exit: (231) [system] peek_char((0x56051b6b4f40), c)
   Call: (231) [system] c=')'
   Call: (231) [system] c=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1346402)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1348260)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(;)
^  Call: (233) [user] is_like_space(c)
   Call: (234) [system] char_type(c, 'white')
   Call: (234) [system] char_type(c, end_of_line)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] char_type(c, cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1356728)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c='('
   Call: (232) [system] c='['
   Call: (232) [system] c='{'
   Call: (232) [system] c='"'
   Call: (232) [system] c=!
   Call: (232) [system] c='\''
   Call: (232) [system] c='`'
   Call: (232) [system] c=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), c, _1346402)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1366946)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1367880)
   Exit: (234) [system] peek_char((0x56051b6b4f40), d)
^  Call: (234) [user] is_delimiter(d)
   Call: (235) [system] char_type(d, space)
   Call: (235) [system] arg(_1371672, v('(', ')', end_of_file), d)
   Call: (234) [system] ')'==d
   Call: (234) [system] get_char((0x56051b6b4f40), d)
   Exit: (234) [system] get_char((0x56051b6b4f40), d)
   Call: (234) [system] d=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1376242)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1377176)
   Exit: (235) [system] peek_char((0x56051b6b4f40), e)
^  Call: (235) [user] is_delimiter(e)
   Call: (236) [system] char_type(e, space)
   Call: (236) [system] arg(_1380968, v('(', ')', end_of_file), e)
   Call: (235) [system] ')'==e
   Call: (235) [system] get_char((0x56051b6b4f40), e)
   Exit: (235) [system] get_char((0x56051b6b4f40), e)
   Call: (235) [system] e=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1385538)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1386472)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _1385538=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _1376242=[e]
   Exit: (235) [system] [e]=[e]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (234) [system] _1366946=[d, e]
   Exit: (234) [system] [d, e]=[d, e]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (233) [user] classify_and_convert_charseq(c, [d, e], _1346402)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1401370, _1401372), once(user:catch(read_from_chars([c, d, e], _1346402), _1401346, fail)), '$restore_trace'(_1401370, _1401372))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1401370, _1401372))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1401346, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(cde)
   Exit: (234) [system] atomic(cde)
^  Exit: (233) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1408870)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1410728)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1417538)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1420242)
   Exit: (234) [system] peek_char((0x56051b6b4f40), a)
   Call: (234) [system] a=(;)
^  Call: (234) [user] is_like_space(a)
   Call: (235) [system] char_type(a, 'white')
   Call: (235) [system] char_type(a, end_of_line)
   Call: (235) [system] char_type(a, space)
   Call: (235) [system] char_type(a, cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1429634)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
   Call: (232) [system] a=')'
   Call: (232) [system] a=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1433348)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1435206)
   Exit: (234) [system] peek_char((0x56051b6b4f40), a)
   Call: (234) [system] a=(;)
^  Call: (234) [user] is_like_space(a)
   Call: (235) [system] char_type(a, 'white')
   Call: (235) [system] char_type(a, end_of_line)
   Call: (235) [system] char_type(a, space)
   Call: (235) [system] char_type(a, cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1443674)
   Exit: (233) [system] get_char((0x56051b6b4f40), a)
   Call: (233) [system] a='('
   Call: (233) [system] a='['
   Call: (233) [system] a='{'
   Call: (233) [system] a='"'
   Call: (233) [system] a=!
   Call: (233) [system] a='\''
   Call: (233) [system] a='`'
   Call: (233) [system] a=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), a, _1433348)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1453892)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1454826)
   Exit: (235) [system] peek_char((0x56051b6b4f40), b)
^  Call: (235) [user] is_delimiter(b)
   Call: (236) [system] char_type(b, space)
   Call: (236) [system] arg(_1458618, v('(', ')', end_of_file), b)
   Call: (235) [system] ')'==b
   Call: (235) [system] get_char((0x56051b6b4f40), b)
   Exit: (235) [system] get_char((0x56051b6b4f40), b)
   Call: (235) [system] b=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1463188)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1464122)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1467914, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1472484)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1473418)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_1477210, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _1472484=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1463188=[c]
   Exit: (236) [system] [c]=[c]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (235) [system] _1453892=[b, c]
   Exit: (235) [system] [b, c]=[b, c]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (234) [user] classify_and_convert_charseq(a, [b, c], _1433348)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1489260, _1489262), once(user:catch(read_from_chars([a, b, c], _1433348), _1489236, fail)), '$restore_trace'(_1489260, _1489262))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1489260, _1489262))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1489236, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(abc)
   Exit: (235) [system] atomic(abc)
^  Exit: (234) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1496760)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1498618)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1507086)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _1510876)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _1496760=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _1408870=[abc]
   Exit: (232) [system] [abc]=[abc]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (231) [system] _1321924=[cde, abc]
   Exit: (231) [system] [cde, abc]=[cde, abc]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [cde, abc])
   Call: (230) [system] _988626=['ConjunctionIntroduction', cde, abc]
   Exit: (230) [system] ['ConjunctionIntroduction', cde, abc]=['ConjunctionIntroduction', cde, abc]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, abc])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, abc])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1524758)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1526616)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1535084)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _1538874)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _1524758=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _964148=[['ConjunctionIntroduction', cde, abc]]
   Exit: (228) [system] [['ConjunctionIntroduction', cde, abc]]=[['ConjunctionIntroduction', cde, abc]]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', cde, abc]])
   Call: (227) [system] _877202=[abc, ['ConjunctionIntroduction', cde, abc]]
   Exit: (227) [system] [abc, ['ConjunctionIntroduction', cde, abc]]=[abc, ['ConjunctionIntroduction', cde, abc]]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', cde, abc]])
   Call: (226) [system] _543904=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]]
   Exit: (226) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1552756)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1554614)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1561424)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1564128)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1573520)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1577234)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1579092)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1587560)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1577234)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1593130)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=(;)
^  Call: (228) [user] is_like_space('O')
   Call: (229) [system] char_type('O', 'white')
   Call: (229) [system] char_type('O', end_of_line)
   Call: (229) [system] char_type('O', space)
   Call: (229) [system] char_type('O', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1601598)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (227) [system] 'O'=')'
   Call: (227) [system] 'O'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1605312)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1607170)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1615638)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'='('
   Call: (228) [system] 'O'='['
   Call: (228) [system] 'O'='{'
   Call: (228) [system] 'O'='"'
   Call: (228) [system] 'O'=!
   Call: (228) [system] 'O'='\''
   Call: (228) [system] 'O'='`'
   Call: (228) [system] 'O'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1605312)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1625856)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1626790)
   Exit: (230) [system] peek_char((0x56051b6b4f40), r)
^  Call: (230) [user] is_delimiter(r)
   Call: (231) [system] char_type(r, space)
   Call: (231) [system] arg(_1630582, v('(', ')', end_of_file), r)
   Call: (230) [system] ')'==r
   Call: (230) [system] get_char((0x56051b6b4f40), r)
   Exit: (230) [system] get_char((0x56051b6b4f40), r)
   Call: (230) [system] r=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1635152)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1636086)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (231) [user] is_delimiter('L')
   Call: (232) [system] char_type('L', space)
   Call: (232) [system] arg(_1639878, v('(', ')', end_of_file), 'L')
   Call: (231) [system] ')'=='L'
   Call: (231) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (231) [system] get_char((0x56051b6b4f40), 'L')
   Call: (231) [system] 'L'=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1644448)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1645382)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1649174, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1653744)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1654678)
   Exit: (233) [system] peek_char((0x56051b6b4f40), n)
^  Call: (233) [user] is_delimiter(n)
   Call: (234) [system] char_type(n, space)
   Call: (234) [system] arg(_1658470, v('(', ')', end_of_file), n)
   Call: (233) [system] ')'==n
   Call: (233) [system] get_char((0x56051b6b4f40), n)
   Exit: (233) [system] get_char((0x56051b6b4f40), n)
   Call: (233) [system] n=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1663040)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1663974)
   Exit: (234) [system] peek_char((0x56051b6b4f40), k)
^  Call: (234) [user] is_delimiter(k)
   Call: (235) [system] char_type(k, space)
   Call: (235) [system] arg(_1667766, v('(', ')', end_of_file), k)
   Call: (234) [system] ')'==k
   Call: (234) [system] get_char((0x56051b6b4f40), k)
   Exit: (234) [system] get_char((0x56051b6b4f40), k)
   Call: (234) [system] k=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1672336)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1673270)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1672336=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _1663040=[k]
   Exit: (234) [system] [k]=[k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (233) [system] _1653744=[n, k]
   Exit: (233) [system] [n, k]=[n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (232) [system] _1644448=[i, n, k]
   Exit: (232) [system] [i, n, k]=[i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (231) [system] _1635152=['L', i, n, k]
   Exit: (231) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (230) [system] _1625856=[r, 'L', i, n, k]
   Exit: (230) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1605312)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_1696550, _1696552), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1605312), _1696526, fail)), '$restore_trace'(_1696550, _1696552))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_1696550, _1696552))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1605312), _1696526, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_1605312)
   Call: (230) [system] atom_chars(_1605312, ['O', r, 'L', i, n, k])
   Exit: (230) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (229) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1705002)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1706860)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1713670)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1716374)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1725766)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1729480)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1731338)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1739806)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1729480)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1745376)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'=(;)
^  Call: (231) [user] is_like_space('I')
   Call: (232) [system] char_type('I', 'white')
   Call: (232) [system] char_type('I', end_of_line)
   Call: (232) [system] char_type('I', space)
   Call: (232) [system] char_type('I', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1753844)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (230) [system] 'I'=')'
   Call: (230) [system] 'I'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1757558)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1759416)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'=(;)
^  Call: (232) [user] is_like_space('I')
   Call: (233) [system] char_type('I', 'white')
   Call: (233) [system] char_type('I', end_of_line)
   Call: (233) [system] char_type('I', space)
   Call: (233) [system] char_type('I', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1767884)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'='('
   Call: (231) [system] 'I'='['
   Call: (231) [system] 'I'='{'
   Call: (231) [system] 'I'='"'
   Call: (231) [system] 'I'=!
   Call: (231) [system] 'I'='\''
   Call: (231) [system] 'I'='`'
   Call: (231) [system] 'I'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1757558)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1778102)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1779036)
   Exit: (233) [system] peek_char((0x56051b6b4f40), m)
^  Call: (233) [user] is_delimiter(m)
   Call: (234) [system] char_type(m, space)
   Call: (234) [system] arg(_1782828, v('(', ')', end_of_file), m)
   Call: (233) [system] ')'==m
   Call: (233) [system] get_char((0x56051b6b4f40), m)
   Exit: (233) [system] get_char((0x56051b6b4f40), m)
   Call: (233) [system] m=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1787398)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1788332)
   Exit: (234) [system] peek_char((0x56051b6b4f40), p)
^  Call: (234) [user] is_delimiter(p)
   Call: (235) [system] char_type(p, space)
   Call: (235) [system] arg(_1792124, v('(', ')', end_of_file), p)
   Call: (234) [system] ')'==p
   Call: (234) [system] get_char((0x56051b6b4f40), p)
   Exit: (234) [system] get_char((0x56051b6b4f40), p)
   Call: (234) [system] p=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1796694)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1797628)
   Exit: (235) [system] peek_char((0x56051b6b4f40), l)
^  Call: (235) [user] is_delimiter(l)
   Call: (236) [system] char_type(l, space)
   Call: (236) [system] arg(_1801420, v('(', ')', end_of_file), l)
   Call: (235) [system] ')'==l
   Call: (235) [system] get_char((0x56051b6b4f40), l)
   Exit: (235) [system] get_char((0x56051b6b4f40), l)
   Call: (235) [system] l=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1805990)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1806924)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1810716, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1815286)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1816220)
   Exit: (237) [system] peek_char((0x56051b6b4f40), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1820012, v('(', ')', end_of_file), c)
   Call: (237) [system] ')'==c
   Call: (237) [system] get_char((0x56051b6b4f40), c)
   Exit: (237) [system] get_char((0x56051b6b4f40), c)
   Call: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1824582)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1825516)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
^  Call: (238) [user] is_delimiter(a)
   Call: (239) [system] char_type(a, space)
   Call: (239) [system] arg(_1829308, v('(', ')', end_of_file), a)
   Call: (238) [system] ')'==a
   Call: (238) [system] get_char((0x56051b6b4f40), a)
   Exit: (238) [system] get_char((0x56051b6b4f40), a)
   Call: (238) [system] a=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1833878)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1834812)
   Exit: (239) [system] peek_char((0x56051b6b4f40), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_1838604, v('(', ')', end_of_file), t)
   Call: (239) [system] ')'==t
   Call: (239) [system] get_char((0x56051b6b4f40), t)
   Exit: (239) [system] get_char((0x56051b6b4f40), t)
   Call: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1843174)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1844108)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1847900, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1852470)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1853404)
   Exit: (241) [system] peek_char((0x56051b6b4f40), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_1857196, v('(', ')', end_of_file), o)
   Call: (241) [system] ')'==o
   Call: (241) [system] get_char((0x56051b6b4f40), o)
   Exit: (241) [system] get_char((0x56051b6b4f40), o)
   Call: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1861766)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1862700)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1866492, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1871062)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1871996)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1871062=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _1861766=[n]
   Exit: (242) [system] [n]=[n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (241) [system] _1852470=[o, n]
   Exit: (241) [system] [o, n]=[o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (240) [system] _1843174=[i, o, n]
   Exit: (240) [system] [i, o, n]=[i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (239) [system] _1833878=[t, i, o, n]
   Exit: (239) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (238) [system] _1824582=[a, t, i, o, n]
   Exit: (238) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (237) [system] _1815286=[c, a, t, i, o, n]
   Exit: (237) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (236) [system] _1805990=[i, c, a, t, i, o, n]
   Exit: (236) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (235) [system] _1796694=[l, i, c, a, t, i, o, n]
   Exit: (235) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (234) [system] _1787398=[p, l, i, c, a, t, i, o, n]
   Exit: (234) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (233) [system] _1778102=[m, p, l, i, c, a, t, i, o, n]
   Exit: (233) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (232) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1757558)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_1909246, _1909248), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1757558), _1909222, fail)), '$restore_trace'(_1909246, _1909248))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_1909246, _1909248))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1757558), _1909222, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_1757558)
   Call: (233) [system] atom_chars(_1757558, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (233) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (232) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1917698)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1919556)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1926366)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1929070)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1938462)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=')'
   Call: (231) [system] '('=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1942176)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1944034)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1952502)
   Exit: (232) [system] get_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('='('
   Exit: (232) [system] '('='('
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1942176)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1958072)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1966540)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=')'
   Call: (233) [system] 'A'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1970254)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1972112)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1980580)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'='('
   Call: (234) [system] 'A'='['
   Call: (234) [system] 'A'='{'
   Call: (234) [system] 'A'='"'
   Call: (234) [system] 'A'=!
   Call: (234) [system] 'A'='\''
   Call: (234) [system] 'A'='`'
   Call: (234) [system] 'A'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1970254)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1990798)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1991732)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1995524, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2000094)
   Call: (237) [system] peek_char((0x56051b6b4f40), _2001028)
   Exit: (237) [system] peek_char((0x56051b6b4f40), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_2004820, v('(', ')', end_of_file), d)
   Call: (237) [system] ')'==d
   Call: (237) [system] get_char((0x56051b6b4f40), d)
   Exit: (237) [system] get_char((0x56051b6b4f40), d)
   Call: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2009390)
   Call: (238) [system] peek_char((0x56051b6b4f40), _2010324)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (238) [user] is_delimiter('L')
   Call: (239) [system] char_type('L', space)
   Call: (239) [system] arg(_2014116, v('(', ')', end_of_file), 'L')
   Call: (238) [system] ')'=='L'
   Call: (238) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (238) [system] get_char((0x56051b6b4f40), 'L')
   Call: (238) [system] 'L'=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2018686)
   Call: (239) [system] peek_char((0x56051b6b4f40), _2019620)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_2023412, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2027982)
   Call: (240) [system] peek_char((0x56051b6b4f40), _2028916)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_2032708, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2037278)
   Call: (241) [system] peek_char((0x56051b6b4f40), _2038212)
   Exit: (241) [system] peek_char((0x56051b6b4f40), k)
^  Call: (241) [user] is_delimiter(k)
   Call: (242) [system] char_type(k, space)
   Call: (242) [system] arg(_2042004, v('(', ')', end_of_file), k)
   Call: (241) [system] ')'==k
   Call: (241) [system] get_char((0x56051b6b4f40), k)
   Exit: (241) [system] get_char((0x56051b6b4f40), k)
   Call: (241) [system] k=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2046574)
   Call: (242) [system] peek_char((0x56051b6b4f40), _2047508)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _2046574=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (241) [system] _2037278=[k]
   Exit: (241) [system] [k]=[k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (240) [system] _2027982=[n, k]
   Exit: (240) [system] [n, k]=[n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (239) [system] _2018686=[i, n, k]
   Exit: (239) [system] [i, n, k]=[i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (238) [system] _2009390=['L', i, n, k]
   Exit: (238) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (237) [system] _2000094=[d, 'L', i, n, k]
   Exit: (237) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (236) [system] _1990798=[n, d, 'L', i, n, k]
   Exit: (236) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (235) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1970254)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_2073582, _2073584), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1970254), _2073558, fail)), '$restore_trace'(_2073582, _2073584))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_2073582, _2073584))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1970254), _2073558, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1970254)
   Call: (236) [system] atom_chars(_1970254, ['A', n, d, 'L', i, n, k])
   Exit: (236) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (235) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _2082034)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _2083892)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _2090702)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _2093406)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=(;)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _14244)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=')'
   Call: (234) [system] 'A'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _17958)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _19816)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=(;)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _28284)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'='('
   Call: (235) [system] 'A'='['
   Call: (235) [system] 'A'='{'
   Call: (235) [system] 'A'='"'
   Call: (235) [system] 'A'=!
   Call: (235) [system] 'A'='\''
   Call: (235) [system] 'A'='`'
   Call: (235) [system] 'A'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _17958)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _38502)
   Call: (237) [system] peek_char((0x56051b6b4f40), _39436)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _38502=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (236) [user] classify_and_convert_charseq('A', [], _17958)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_48746, _48748), once(user:catch(read_from_chars(['A'], _17958), _48722, fail)), '$restore_trace'(_48746, _48748))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_48746, _48748))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _17958), _48722, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_17958)
   Call: (237) [system] atom_chars(_17958, ['A'])
   Exit: (237) [system] atom_chars('A', ['A'])
^  Exit: (236) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _57198)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _59056)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _65866)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _68570)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (237) [system] 'B'=(;)
^  Call: (237) [user] is_like_space('B')
   Call: (238) [system] char_type('B', 'white')
   Call: (238) [system] char_type('B', end_of_line)
   Call: (238) [system] char_type('B', space)
   Call: (238) [system] char_type('B', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _77962)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (235) [system] 'B'=')'
   Call: (235) [system] 'B'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _81676)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _83534)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (237) [system] 'B'=(;)
^  Call: (237) [user] is_like_space('B')
   Call: (238) [system] char_type('B', 'white')
   Call: (238) [system] char_type('B', end_of_line)
   Call: (238) [system] char_type('B', space)
   Call: (238) [system] char_type('B', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _92002)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'='('
   Call: (236) [system] 'B'='['
   Call: (236) [system] 'B'='{'
   Call: (236) [system] 'B'='"'
   Call: (236) [system] 'B'=!
   Call: (236) [system] 'B'='\''
   Call: (236) [system] 'B'='`'
   Call: (236) [system] 'B'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _81676)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _102220)
   Call: (238) [system] peek_char((0x56051b6b4f40), _103154)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (238) [user] is_delimiter(')')
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] arg(_106946, v('(', ')', end_of_file), ')')
   Exit: (239) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (238) [user] is_delimiter(')')
   Call: (238) [system] _102220=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (237) [user] classify_and_convert_charseq('B', [], _81676)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_113408, _113410), once(user:catch(read_from_chars(['B'], _81676), _113384, fail)), '$restore_trace'(_113408, _113410))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_113408, _113410))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _81676), _113384, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_81676)
   Call: (238) [system] atom_chars(_81676, ['B'])
   Exit: (238) [system] atom_chars('B', ['B'])
^  Exit: (237) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _121860)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _123718)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=(;)
^  Call: (237) [user] is_like_space(')')
   Call: (238) [system] char_type(')', 'white')
   Call: (238) [system] char_type(')', end_of_line)
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] char_type(')', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _132186)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=')'
   Exit: (236) [system] ')'=')'
   Call: (236) [system] get_char((0x56051b6b4f40), _135976)
   Exit: (236) [system] get_char((0x56051b6b4f40), ')')
   Call: (236) [system] _121860=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (235) [system] _57198=['B']
   Exit: (235) [system] ['B']=['B']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (234) [system] _8206=['A', 'B']
   Exit: (234) [system] ['A', 'B']=['A', 'B']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (233) [system] _8198=['AndLink', 'A', 'B']
   Exit: (233) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _149858)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _151716)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _158526)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _161230)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'=(;)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _170622)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'=')'
   Call: (232) [system] 'C'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _174336)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _176194)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'=(;)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _184662)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'='('
   Call: (233) [system] 'C'='['
   Call: (233) [system] 'C'='{'
   Call: (233) [system] 'C'='"'
   Call: (233) [system] 'C'=!
   Call: (233) [system] 'C'='\''
   Call: (233) [system] 'C'='`'
   Call: (233) [system] 'C'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _174336)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _194880)
   Call: (235) [system] peek_char((0x56051b6b4f40), _195814)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (235) [user] is_delimiter(')')
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] arg(_199606, v('(', ')', end_of_file), ')')
   Exit: (236) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (235) [user] is_delimiter(')')
   Call: (235) [system] _194880=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq('C', [], _174336)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_206068, _206070), once(user:catch(read_from_chars(['C'], _174336), _206044, fail)), '$restore_trace'(_206068, _206070))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_206068, _206070))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _174336), _206044, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_174336)
   Call: (235) [system] atom_chars(_174336, ['C'])
   Exit: (235) [system] atom_chars('C', ['C'])
^  Exit: (234) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _214520)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _216378)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _224846)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _228636)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _214520=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _149858=['C']
   Exit: (232) [system] ['C']=['C']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (231) [system] _8194=[['AndLink', 'A', 'B'], 'C']
   Exit: (231) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (230) [system] _8186=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (230) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _242518)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _244376)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _251186)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _253890)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _263282)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _266996)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _268854)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _277322)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _266996)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _282892)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=(;)
^  Call: (232) [user] is_like_space('A')
   Call: (233) [system] char_type('A', 'white')
   Call: (233) [system] char_type('A', end_of_line)
   Call: (233) [system] char_type('A', space)
   Call: (233) [system] char_type('A', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _291360)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (231) [system] 'A'=')'
   Call: (231) [system] 'A'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _295074)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _296932)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _305400)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'='('
   Call: (232) [system] 'A'='['
   Call: (232) [system] 'A'='{'
   Call: (232) [system] 'A'='"'
   Call: (232) [system] 'A'=!
   Call: (232) [system] 'A'='\''
   Call: (232) [system] 'A'='`'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _295074)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _315618)
   Call: (234) [system] peek_char((0x56051b6b4f40), _316552)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_320344, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _324914)
   Call: (235) [system] peek_char((0x56051b6b4f40), _325848)
   Exit: (235) [system] peek_char((0x56051b6b4f40), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_329640, v('(', ')', end_of_file), d)
   Call: (235) [system] ')'==d
   Call: (235) [system] get_char((0x56051b6b4f40), d)
   Exit: (235) [system] get_char((0x56051b6b4f40), d)
   Call: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _334210)
   Call: (236) [system] peek_char((0x56051b6b4f40), _335144)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (236) [user] is_delimiter('L')
   Call: (237) [system] char_type('L', space)
   Call: (237) [system] arg(_338936, v('(', ')', end_of_file), 'L')
   Call: (236) [system] ')'=='L'
   Call: (236) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (236) [system] get_char((0x56051b6b4f40), 'L')
   Call: (236) [system] 'L'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _343506)
   Call: (237) [system] peek_char((0x56051b6b4f40), _344440)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_348232, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _352802)
   Call: (238) [system] peek_char((0x56051b6b4f40), _353736)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_357528, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _362098)
   Call: (239) [system] peek_char((0x56051b6b4f40), _363032)
   Exit: (239) [system] peek_char((0x56051b6b4f40), k)
^  Call: (239) [user] is_delimiter(k)
   Call: (240) [system] char_type(k, space)
   Call: (240) [system] arg(_366824, v('(', ')', end_of_file), k)
   Call: (239) [system] ')'==k
   Call: (239) [system] get_char((0x56051b6b4f40), k)
   Exit: (239) [system] get_char((0x56051b6b4f40), k)
   Call: (239) [system] k=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _371394)
   Call: (240) [system] peek_char((0x56051b6b4f40), _372328)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _371394=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _362098=[k]
   Exit: (239) [system] [k]=[k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (238) [system] _352802=[n, k]
   Exit: (238) [system] [n, k]=[n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (237) [system] _343506=[i, n, k]
   Exit: (237) [system] [i, n, k]=[i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (236) [system] _334210=['L', i, n, k]
   Exit: (236) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (235) [system] _324914=[d, 'L', i, n, k]
   Exit: (235) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (234) [system] _315618=[n, d, 'L', i, n, k]
   Exit: (234) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (233) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _295074)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_398402, _398404), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _295074), _398378, fail)), '$restore_trace'(_398402, _398404))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_398402, _398404))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _295074), _398378, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_295074)
   Call: (234) [system] atom_chars(_295074, ['A', n, d, 'L', i, n, k])
   Exit: (234) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _406854)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _408712)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _415522)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _418226)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _427618)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _431332)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _433190)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _441658)
   Exit: (233) [system] get_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _431332)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _447228)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'=(;)
^  Call: (235) [user] is_like_space('I')
   Call: (236) [system] char_type('I', 'white')
   Call: (236) [system] char_type('I', end_of_line)
   Call: (236) [system] char_type('I', space)
   Call: (236) [system] char_type('I', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _455696)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'=')'
   Call: (234) [system] 'I'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _459410)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _461268)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'=(;)
^  Call: (236) [user] is_like_space('I')
   Call: (237) [system] char_type('I', 'white')
   Call: (237) [system] char_type('I', end_of_line)
   Call: (237) [system] char_type('I', space)
   Call: (237) [system] char_type('I', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _469736)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'='('
   Call: (235) [system] 'I'='['
   Call: (235) [system] 'I'='{'
   Call: (235) [system] 'I'='"'
   Call: (235) [system] 'I'=!
   Call: (235) [system] 'I'='\''
   Call: (235) [system] 'I'='`'
   Call: (235) [system] 'I'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _459410)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _479954)
   Call: (237) [system] peek_char((0x56051b6b4f40), _480888)
   Exit: (237) [system] peek_char((0x56051b6b4f40), m)
^  Call: (237) [user] is_delimiter(m)
   Call: (238) [system] char_type(m, space)
   Call: (238) [system] arg(_484680, v('(', ')', end_of_file), m)
   Call: (237) [system] ')'==m
   Call: (237) [system] get_char((0x56051b6b4f40), m)
   Exit: (237) [system] get_char((0x56051b6b4f40), m)
   Call: (237) [system] m=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _489250)
   Call: (238) [system] peek_char((0x56051b6b4f40), _490184)
   Exit: (238) [system] peek_char((0x56051b6b4f40), p)
^  Call: (238) [user] is_delimiter(p)
   Call: (239) [system] char_type(p, space)
   Call: (239) [system] arg(_493976, v('(', ')', end_of_file), p)
   Call: (238) [system] ')'==p
   Call: (238) [system] get_char((0x56051b6b4f40), p)
   Exit: (238) [system] get_char((0x56051b6b4f40), p)
   Call: (238) [system] p=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _498546)
   Call: (239) [system] peek_char((0x56051b6b4f40), _499480)
   Exit: (239) [system] peek_char((0x56051b6b4f40), l)
^  Call: (239) [user] is_delimiter(l)
   Call: (240) [system] char_type(l, space)
   Call: (240) [system] arg(_503272, v('(', ')', end_of_file), l)
   Call: (239) [system] ')'==l
   Call: (239) [system] get_char((0x56051b6b4f40), l)
   Exit: (239) [system] get_char((0x56051b6b4f40), l)
   Call: (239) [system] l=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _507842)
   Call: (240) [system] peek_char((0x56051b6b4f40), _508776)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_512568, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _517138)
   Call: (241) [system] peek_char((0x56051b6b4f40), _518072)
   Exit: (241) [system] peek_char((0x56051b6b4f40), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_521864, v('(', ')', end_of_file), c)
   Call: (241) [system] ')'==c
   Call: (241) [system] get_char((0x56051b6b4f40), c)
   Exit: (241) [system] get_char((0x56051b6b4f40), c)
   Call: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _526434)
   Call: (242) [system] peek_char((0x56051b6b4f40), _527368)
   Exit: (242) [system] peek_char((0x56051b6b4f40), a)
^  Call: (242) [user] is_delimiter(a)
   Call: (243) [system] char_type(a, space)
   Call: (243) [system] arg(_531160, v('(', ')', end_of_file), a)
   Call: (242) [system] ')'==a
   Call: (242) [system] get_char((0x56051b6b4f40), a)
   Exit: (242) [system] get_char((0x56051b6b4f40), a)
   Call: (242) [system] a=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _535730)
   Call: (243) [system] peek_char((0x56051b6b4f40), _536664)
   Exit: (243) [system] peek_char((0x56051b6b4f40), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_540456, v('(', ')', end_of_file), t)
   Call: (243) [system] ')'==t
   Call: (243) [system] get_char((0x56051b6b4f40), t)
   Exit: (243) [system] get_char((0x56051b6b4f40), t)
   Call: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _545026)
   Call: (244) [system] peek_char((0x56051b6b4f40), _545960)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_549752, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _554322)
   Call: (245) [system] peek_char((0x56051b6b4f40), _555256)
   Exit: (245) [system] peek_char((0x56051b6b4f40), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_559048, v('(', ')', end_of_file), o)
   Call: (245) [system] ')'==o
   Call: (245) [system] get_char((0x56051b6b4f40), o)
   Exit: (245) [system] get_char((0x56051b6b4f40), o)
   Call: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _563618)
   Call: (246) [system] peek_char((0x56051b6b4f40), _564552)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_568344, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _572914)
   Call: (247) [system] peek_char((0x56051b6b4f40), _573848)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _572914=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (246) [system] _563618=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (245) [system] _554322=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (244) [system] _545026=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (243) [system] _535730=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (242) [system] _526434=[a, t, i, o, n]
   Exit: (242) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (241) [system] _517138=[c, a, t, i, o, n]
   Exit: (241) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (240) [system] _507842=[i, c, a, t, i, o, n]
   Exit: (240) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (239) [system] _498546=[l, i, c, a, t, i, o, n]
   Exit: (239) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (238) [system] _489250=[p, l, i, c, a, t, i, o, n]
   Exit: (238) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (237) [system] _479954=[m, p, l, i, c, a, t, i, o, n]
   Exit: (237) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (236) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _459410)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_611098, _611100), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _459410), _611074, fail)), '$restore_trace'(_611098, _611100))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_611098, _611100))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _459410), _611074, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_459410)
   Call: (237) [system] atom_chars(_459410, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (237) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (236) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _619550)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _621408)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _628218)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _630922)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _640314)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=')'
   Call: (235) [system] '('=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _644028)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _645886)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _654354)
   Exit: (236) [system] get_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('='('
   Exit: (236) [system] '('='('
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _644028)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _659924)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (238) [system] 'O'=(;)
^  Call: (238) [user] is_like_space('O')
   Call: (239) [system] char_type('O', 'white')
   Call: (239) [system] char_type('O', end_of_line)
   Call: (239) [system] char_type('O', space)
   Call: (239) [system] char_type('O', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _668392)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (237) [system] 'O'=')'
   Call: (237) [system] 'O'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _672106)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _673964)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (239) [system] 'O'=(;)
^  Call: (239) [user] is_like_space('O')
   Call: (240) [system] char_type('O', 'white')
   Call: (240) [system] char_type('O', end_of_line)
   Call: (240) [system] char_type('O', space)
   Call: (240) [system] char_type('O', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _682432)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'O')
   Call: (238) [system] 'O'='('
   Call: (238) [system] 'O'='['
   Call: (238) [system] 'O'='{'
   Call: (238) [system] 'O'='"'
   Call: (238) [system] 'O'=!
   Call: (238) [system] 'O'='\''
   Call: (238) [system] 'O'='`'
   Call: (238) [system] 'O'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _672106)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _692650)
   Call: (240) [system] peek_char((0x56051b6b4f40), _693584)
   Exit: (240) [system] peek_char((0x56051b6b4f40), r)
^  Call: (240) [user] is_delimiter(r)
   Call: (241) [system] char_type(r, space)
   Call: (241) [system] arg(_697376, v('(', ')', end_of_file), r)
   Call: (240) [system] ')'==r
   Call: (240) [system] get_char((0x56051b6b4f40), r)
   Exit: (240) [system] get_char((0x56051b6b4f40), r)
   Call: (240) [system] r=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _701946)
   Call: (241) [system] peek_char((0x56051b6b4f40), _702880)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (241) [user] is_delimiter('L')
   Call: (242) [system] char_type('L', space)
   Call: (242) [system] arg(_706672, v('(', ')', end_of_file), 'L')
   Call: (241) [system] ')'=='L'
   Call: (241) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (241) [system] get_char((0x56051b6b4f40), 'L')
   Call: (241) [system] 'L'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _711242)
   Call: (242) [system] peek_char((0x56051b6b4f40), _712176)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_715968, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _720538)
   Call: (243) [system] peek_char((0x56051b6b4f40), _721472)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_725264, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _729834)
   Call: (244) [system] peek_char((0x56051b6b4f40), _730768)
   Exit: (244) [system] peek_char((0x56051b6b4f40), k)
^  Call: (244) [user] is_delimiter(k)
   Call: (245) [system] char_type(k, space)
   Call: (245) [system] arg(_734560, v('(', ')', end_of_file), k)
   Call: (244) [system] ')'==k
   Call: (244) [system] get_char((0x56051b6b4f40), k)
   Exit: (244) [system] get_char((0x56051b6b4f40), k)
   Call: (244) [system] k=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _739130)
   Call: (245) [system] peek_char((0x56051b6b4f40), _740064)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _739130=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (244) [system] _729834=[k]
   Exit: (244) [system] [k]=[k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (243) [system] _720538=[n, k]
   Exit: (243) [system] [n, k]=[n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (242) [system] _711242=[i, n, k]
   Exit: (242) [system] [i, n, k]=[i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (241) [system] _701946=['L', i, n, k]
   Exit: (241) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (240) [system] _692650=[r, 'L', i, n, k]
   Exit: (240) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (239) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _672106)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_763344, _763346), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _672106), _763320, fail)), '$restore_trace'(_763344, _763346))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_763344, _763346))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _672106), _763320, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_672106)
   Call: (240) [system] atom_chars(_672106, ['O', r, 'L', i, n, k])
   Exit: (240) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (239) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _771796)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _773654)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _780464)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _783168)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (240) [system] 'C'=(;)
^  Call: (240) [user] is_like_space('C')
   Call: (241) [system] char_type('C', 'white')
   Call: (241) [system] char_type('C', end_of_line)
   Call: (241) [system] char_type('C', space)
   Call: (241) [system] char_type('C', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _792560)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'=')'
   Call: (238) [system] 'C'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _796274)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _798132)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (240) [system] 'C'=(;)
^  Call: (240) [user] is_like_space('C')
   Call: (241) [system] char_type('C', 'white')
   Call: (241) [system] char_type('C', end_of_line)
   Call: (241) [system] char_type('C', space)
   Call: (241) [system] char_type('C', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _806600)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'='('
   Call: (239) [system] 'C'='['
   Call: (239) [system] 'C'='{'
   Call: (239) [system] 'C'='"'
   Call: (239) [system] 'C'=!
   Call: (239) [system] 'C'='\''
   Call: (239) [system] 'C'='`'
   Call: (239) [system] 'C'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _796274)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _816818)
   Call: (241) [system] peek_char((0x56051b6b4f40), _817752)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _816818=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq('C', [], _796274)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_827062, _827064), once(user:catch(read_from_chars(['C'], _796274), _827038, fail)), '$restore_trace'(_827062, _827064))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_827062, _827064))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _796274), _827038, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_796274)
   Call: (241) [system] atom_chars(_796274, ['C'])
   Exit: (241) [system] atom_chars('C', ['C'])
^  Exit: (240) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _835514)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _837372)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _844182)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _846886)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (241) [system] 'D'=(;)
^  Call: (241) [user] is_like_space('D')
   Call: (242) [system] char_type('D', 'white')
   Call: (242) [system] char_type('D', end_of_line)
   Call: (242) [system] char_type('D', space)
   Call: (242) [system] char_type('D', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _856278)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (239) [system] 'D'=')'
   Call: (239) [system] 'D'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _859992)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _861850)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (241) [system] 'D'=(;)
^  Call: (241) [user] is_like_space('D')
   Call: (242) [system] char_type('D', 'white')
   Call: (242) [system] char_type('D', end_of_line)
   Call: (242) [system] char_type('D', space)
   Call: (242) [system] char_type('D', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _870318)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'D')
   Call: (240) [system] 'D'='('
   Call: (240) [system] 'D'='['
   Call: (240) [system] 'D'='{'
   Call: (240) [system] 'D'='"'
   Call: (240) [system] 'D'=!
   Call: (240) [system] 'D'='\''
   Call: (240) [system] 'D'='`'
   Call: (240) [system] 'D'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _859992)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _880536)
   Call: (242) [system] peek_char((0x56051b6b4f40), _881470)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (242) [user] is_delimiter(')')
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] arg(_885262, v('(', ')', end_of_file), ')')
   Exit: (243) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (242) [user] is_delimiter(')')
   Call: (242) [system] _880536=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq('D', [], _859992)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_891724, _891726), once(user:catch(read_from_chars(['D'], _859992), _891700, fail)), '$restore_trace'(_891724, _891726))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_891724, _891726))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _859992), _891700, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_859992)
   Call: (242) [system] atom_chars(_859992, ['D'])
   Exit: (242) [system] atom_chars('D', ['D'])
^  Exit: (241) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _900176)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _902034)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=(;)
^  Call: (241) [user] is_like_space(')')
   Call: (242) [system] char_type(')', 'white')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] char_type(')', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _910502)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=')'
   Exit: (240) [system] ')'=')'
   Call: (240) [system] get_char((0x56051b6b4f40), _914292)
   Exit: (240) [system] get_char((0x56051b6b4f40), ')')
   Call: (240) [system] _900176=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (239) [system] _835514=['D']
   Exit: (239) [system] ['D']=['D']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (238) [system] _771796=['C', 'D']
   Exit: (238) [system] ['C', 'D']=['C', 'D']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (237) [system] _644028=['OrLink', 'C', 'D']
   Exit: (237) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _928174)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _930032)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _936842)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _939546)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (238) [system] 'E'=(;)
^  Call: (238) [user] is_like_space('E')
   Call: (239) [system] char_type('E', 'white')
   Call: (239) [system] char_type('E', end_of_line)
   Call: (239) [system] char_type('E', space)
   Call: (239) [system] char_type('E', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _948938)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (236) [system] 'E'=')'
   Call: (236) [system] 'E'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _952652)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _954510)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (238) [system] 'E'=(;)
^  Call: (238) [user] is_like_space('E')
   Call: (239) [system] char_type('E', 'white')
   Call: (239) [system] char_type('E', end_of_line)
   Call: (239) [system] char_type('E', space)
   Call: (239) [system] char_type('E', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _962978)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'E')
   Call: (237) [system] 'E'='('
   Call: (237) [system] 'E'='['
   Call: (237) [system] 'E'='{'
   Call: (237) [system] 'E'='"'
   Call: (237) [system] 'E'=!
   Call: (237) [system] 'E'='\''
   Call: (237) [system] 'E'='`'
   Call: (237) [system] 'E'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _952652)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _973196)
   Call: (239) [system] peek_char((0x56051b6b4f40), _974130)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (239) [user] is_delimiter(')')
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] arg(_977922, v('(', ')', end_of_file), ')')
   Exit: (240) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (239) [user] is_delimiter(')')
   Call: (239) [system] _973196=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq('E', [], _952652)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_984384, _984386), once(user:catch(read_from_chars(['E'], _952652), _984360, fail)), '$restore_trace'(_984384, _984386))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_984384, _984386))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _952652), _984360, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_952652)
   Call: (239) [system] atom_chars(_952652, ['E'])
   Exit: (239) [system] atom_chars('E', ['E'])
^  Exit: (238) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _992836)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _994694)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1003162)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x56051b6b4f40), _1006952)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] _992836=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (236) [system] _928174=['E']
   Exit: (236) [system] ['E']=['E']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (235) [system] _619550=[['OrLink', 'C', 'D'], 'E']
   Exit: (235) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (234) [system] _431332=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (234) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1020834)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1022692)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1029502)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1032206)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1041598)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1045312)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1047170)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1055638)
   Exit: (234) [system] get_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1045312)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1061208)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'=(;)
^  Call: (236) [user] is_like_space('I')
   Call: (237) [system] char_type('I', 'white')
   Call: (237) [system] char_type('I', end_of_line)
   Call: (237) [system] char_type('I', space)
   Call: (237) [system] char_type('I', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1069676)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'=')'
   Call: (235) [system] 'I'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1073390)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1075248)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=(;)
^  Call: (237) [user] is_like_space('I')
   Call: (238) [system] char_type('I', 'white')
   Call: (238) [system] char_type('I', end_of_line)
   Call: (238) [system] char_type('I', space)
   Call: (238) [system] char_type('I', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1083716)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'='('
   Call: (236) [system] 'I'='['
   Call: (236) [system] 'I'='{'
   Call: (236) [system] 'I'='"'
   Call: (236) [system] 'I'=!
   Call: (236) [system] 'I'='\''
   Call: (236) [system] 'I'='`'
   Call: (236) [system] 'I'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1073390)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1093934)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1094868)
   Exit: (238) [system] peek_char((0x56051b6b4f40), m)
^  Call: (238) [user] is_delimiter(m)
   Call: (239) [system] char_type(m, space)
   Call: (239) [system] arg(_1098660, v('(', ')', end_of_file), m)
   Call: (238) [system] ')'==m
   Call: (238) [system] get_char((0x56051b6b4f40), m)
   Exit: (238) [system] get_char((0x56051b6b4f40), m)
   Call: (238) [system] m=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1103230)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1104164)
   Exit: (239) [system] peek_char((0x56051b6b4f40), p)
^  Call: (239) [user] is_delimiter(p)
   Call: (240) [system] char_type(p, space)
   Call: (240) [system] arg(_1107956, v('(', ')', end_of_file), p)
   Call: (239) [system] ')'==p
   Call: (239) [system] get_char((0x56051b6b4f40), p)
   Exit: (239) [system] get_char((0x56051b6b4f40), p)
   Call: (239) [system] p=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1112526)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1113460)
   Exit: (240) [system] peek_char((0x56051b6b4f40), l)
^  Call: (240) [user] is_delimiter(l)
   Call: (241) [system] char_type(l, space)
   Call: (241) [system] arg(_1117252, v('(', ')', end_of_file), l)
   Call: (240) [system] ')'==l
   Call: (240) [system] get_char((0x56051b6b4f40), l)
   Exit: (240) [system] get_char((0x56051b6b4f40), l)
   Call: (240) [system] l=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1121822)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1122756)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1126548, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1131118)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1132052)
   Exit: (242) [system] peek_char((0x56051b6b4f40), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_1135844, v('(', ')', end_of_file), c)
   Call: (242) [system] ')'==c
   Call: (242) [system] get_char((0x56051b6b4f40), c)
   Exit: (242) [system] get_char((0x56051b6b4f40), c)
   Call: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1140414)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1141348)
   Exit: (243) [system] peek_char((0x56051b6b4f40), a)
^  Call: (243) [user] is_delimiter(a)
   Call: (244) [system] char_type(a, space)
   Call: (244) [system] arg(_1145140, v('(', ')', end_of_file), a)
   Call: (243) [system] ')'==a
   Call: (243) [system] get_char((0x56051b6b4f40), a)
   Exit: (243) [system] get_char((0x56051b6b4f40), a)
   Call: (243) [system] a=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1149710)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1150644)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1154436, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1159006)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1159940)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_1163732, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1168302)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1169236)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1173028, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1177598)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1178532)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_1182324, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1186894)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1187828)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1186894=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _1177598=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (246) [system] _1168302=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (245) [system] _1159006=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (244) [system] _1149710=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (243) [system] _1140414=[a, t, i, o, n]
   Exit: (243) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (242) [system] _1131118=[c, a, t, i, o, n]
   Exit: (242) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (241) [system] _1121822=[i, c, a, t, i, o, n]
   Exit: (241) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (240) [system] _1112526=[l, i, c, a, t, i, o, n]
   Exit: (240) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (239) [system] _1103230=[p, l, i, c, a, t, i, o, n]
   Exit: (239) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (238) [system] _1093934=[m, p, l, i, c, a, t, i, o, n]
   Exit: (238) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (237) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1073390)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1225078, _1225080), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1073390), _1225054, fail)), '$restore_trace'(_1225078, _1225080))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1225078, _1225080))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1073390), _1225054, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1073390)
   Call: (238) [system] atom_chars(_1073390, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (238) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (237) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1233530)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1235388)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _1242198)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1244902)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1254294)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=')'
   Call: (236) [system] '('=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1258008)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1259866)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1268334)
   Exit: (237) [system] get_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('='('
   Exit: (237) [system] '('='('
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1258008)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1273904)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=(;)
^  Call: (239) [user] is_like_space('A')
   Call: (240) [system] char_type('A', 'white')
   Call: (240) [system] char_type('A', end_of_line)
   Call: (240) [system] char_type('A', space)
   Call: (240) [system] char_type('A', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1282372)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=')'
   Call: (238) [system] 'A'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1286086)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1287944)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=(;)
^  Call: (240) [user] is_like_space('A')
   Call: (241) [system] char_type('A', 'white')
   Call: (241) [system] char_type('A', end_of_line)
   Call: (241) [system] char_type('A', space)
   Call: (241) [system] char_type('A', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1296412)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'='('
   Call: (239) [system] 'A'='['
   Call: (239) [system] 'A'='{'
   Call: (239) [system] 'A'='"'
   Call: (239) [system] 'A'=!
   Call: (239) [system] 'A'='\''
   Call: (239) [system] 'A'='`'
   Call: (239) [system] 'A'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1286086)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1306630)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1307564)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1311356, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1315926)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1316860)
   Exit: (242) [system] peek_char((0x56051b6b4f40), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_1320652, v('(', ')', end_of_file), d)
   Call: (242) [system] ')'==d
   Call: (242) [system] get_char((0x56051b6b4f40), d)
   Exit: (242) [system] get_char((0x56051b6b4f40), d)
   Call: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1325222)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1326156)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (243) [user] is_delimiter('L')
   Call: (244) [system] char_type('L', space)
   Call: (244) [system] arg(_1329948, v('(', ')', end_of_file), 'L')
   Call: (243) [system] ')'=='L'
   Call: (243) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (243) [system] get_char((0x56051b6b4f40), 'L')
   Call: (243) [system] 'L'=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1334518)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1335452)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_1339244, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1343814)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1344748)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1348540, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1353110)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1354044)
   Exit: (246) [system] peek_char((0x56051b6b4f40), k)
^  Call: (246) [user] is_delimiter(k)
   Call: (247) [system] char_type(k, space)
   Call: (247) [system] arg(_1357836, v('(', ')', end_of_file), k)
   Call: (246) [system] ')'==k
   Call: (246) [system] get_char((0x56051b6b4f40), k)
   Exit: (246) [system] get_char((0x56051b6b4f40), k)
   Call: (246) [system] k=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1362406)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1363340)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1362406=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (246) [system] _1353110=[k]
   Exit: (246) [system] [k]=[k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (245) [system] _1343814=[n, k]
   Exit: (245) [system] [n, k]=[n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (244) [system] _1334518=[i, n, k]
   Exit: (244) [system] [i, n, k]=[i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (243) [system] _1325222=['L', i, n, k]
   Exit: (243) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (242) [system] _1315926=[d, 'L', i, n, k]
   Exit: (242) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (241) [system] _1306630=[n, d, 'L', i, n, k]
   Exit: (241) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (240) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1286086)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1389414, _1389416), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1286086), _1389390, fail)), '$restore_trace'(_1389414, _1389416))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1389414, _1389416))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1286086), _1389390, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1286086)
   Call: (241) [system] atom_chars(_1286086, ['A', n, d, 'L', i, n, k])
   Exit: (241) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (240) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1397866)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1399724)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _1406534)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1409238)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'=(;)
^  Call: (241) [user] is_like_space('A')
   Call: (242) [system] char_type('A', 'white')
   Call: (242) [system] char_type('A', end_of_line)
   Call: (242) [system] char_type('A', space)
   Call: (242) [system] char_type('A', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1418630)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=')'
   Call: (239) [system] 'A'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _1422344)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1424202)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'=(;)
^  Call: (241) [user] is_like_space('A')
   Call: (242) [system] char_type('A', 'white')
   Call: (242) [system] char_type('A', end_of_line)
   Call: (242) [system] char_type('A', space)
   Call: (242) [system] char_type('A', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _1432670)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'='('
   Call: (240) [system] 'A'='['
   Call: (240) [system] 'A'='{'
   Call: (240) [system] 'A'='"'
   Call: (240) [system] 'A'=!
   Call: (240) [system] 'A'='\''
   Call: (240) [system] 'A'='`'
   Call: (240) [system] 'A'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1422344)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1442888)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1443822)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1442888=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq('A', [], _1422344)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_1453132, _1453134), once(user:catch(read_from_chars(['A'], _1422344), _1453108, fail)), '$restore_trace'(_1453132, _1453134))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_1453132, _1453134))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1422344), _1453108, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_1422344)
   Call: (242) [system] atom_chars(_1422344, ['A'])
   Exit: (242) [system] atom_chars('A', ['A'])
^  Exit: (241) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1461584)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1463442)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _1470252)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1472956)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (242) [system] 'B'=(;)
^  Call: (242) [user] is_like_space('B')
   Call: (243) [system] char_type('B', 'white')
   Call: (243) [system] char_type('B', end_of_line)
   Call: (243) [system] char_type('B', space)
   Call: (243) [system] char_type('B', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1482348)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=')'
   Call: (240) [system] 'B'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _1486062)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1487920)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (242) [system] 'B'=(;)
^  Call: (242) [user] is_like_space('B')
   Call: (243) [system] char_type('B', 'white')
   Call: (243) [system] char_type('B', end_of_line)
   Call: (243) [system] char_type('B', space)
   Call: (243) [system] char_type('B', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _1496388)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'B')
   Call: (241) [system] 'B'='('
   Call: (241) [system] 'B'='['
   Call: (241) [system] 'B'='{'
   Call: (241) [system] 'B'='"'
   Call: (241) [system] 'B'=!
   Call: (241) [system] 'B'='\''
   Call: (241) [system] 'B'='`'
   Call: (241) [system] 'B'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1486062)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1506606)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1507540)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (243) [user] is_delimiter(')')
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] arg(_1511332, v('(', ')', end_of_file), ')')
   Exit: (244) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (243) [user] is_delimiter(')')
   Call: (243) [system] _1506606=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (242) [user] classify_and_convert_charseq('B', [], _1486062)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_1517794, _1517796), once(user:catch(read_from_chars(['B'], _1486062), _1517770, fail)), '$restore_trace'(_1517794, _1517796))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_1517794, _1517796))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1486062), _1517770, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_1486062)
   Call: (243) [system] atom_chars(_1486062, ['B'])
   Exit: (243) [system] atom_chars('B', ['B'])
^  Exit: (242) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _1526246)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1528104)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=(;)
^  Call: (242) [user] is_like_space(')')
   Call: (243) [system] char_type(')', 'white')
   Call: (243) [system] char_type(')', end_of_line)
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] char_type(')', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1536572)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=')'
   Exit: (241) [system] ')'=')'
   Call: (241) [system] get_char((0x56051b6b4f40), _1540362)
   Exit: (241) [system] get_char((0x56051b6b4f40), ')')
   Call: (241) [system] _1526246=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (240) [system] _1461584=['B']
   Exit: (240) [system] ['B']=['B']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (239) [system] _1397866=['A', 'B']
   Exit: (239) [system] ['A', 'B']=['A', 'B']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (238) [system] _1258008=['AndLink', 'A', 'B']
   Exit: (238) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1554244)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1556102)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _1562912)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1565616)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'=(;)
^  Call: (239) [user] is_like_space('C')
   Call: (240) [system] char_type('C', 'white')
   Call: (240) [system] char_type('C', end_of_line)
   Call: (240) [system] char_type('C', space)
   Call: (240) [system] char_type('C', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1575008)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'=')'
   Call: (237) [system] 'C'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1578722)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1580580)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'=(;)
^  Call: (239) [user] is_like_space('C')
   Call: (240) [system] char_type('C', 'white')
   Call: (240) [system] char_type('C', end_of_line)
   Call: (240) [system] char_type('C', space)
   Call: (240) [system] char_type('C', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1589048)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'='('
   Call: (238) [system] 'C'='['
   Call: (238) [system] 'C'='{'
   Call: (238) [system] 'C'='"'
   Call: (238) [system] 'C'=!
   Call: (238) [system] 'C'='\''
   Call: (238) [system] 'C'='`'
   Call: (238) [system] 'C'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1578722)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1599266)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1600200)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_1603992, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _1599266=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq('C', [], _1578722)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1610454, _1610456), once(user:catch(read_from_chars(['C'], _1578722), _1610430, fail)), '$restore_trace'(_1610454, _1610456))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1610454, _1610456))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1578722), _1610430, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1578722)
   Call: (240) [system] atom_chars(_1578722, ['C'])
   Exit: (240) [system] atom_chars('C', ['C'])
^  Exit: (239) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1618906)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1620764)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1629232)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x56051b6b4f40), _1633022)
   Exit: (238) [system] get_char((0x56051b6b4f40), ')')
   Call: (238) [system] _1618906=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (237) [system] _1554244=['C']
   Exit: (237) [system] ['C']=['C']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (236) [system] _1233530=[['AndLink', 'A', 'B'], 'C']
   Exit: (236) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (235) [system] _1045312=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (235) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1646904)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1648762)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1657230)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _1661020)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _1646904=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1020834=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (233) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (232) [system] _406854=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (232) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (231) [system] _266996=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (231) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1674902)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1676760)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1685228)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _1689018)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _1674902=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _242518=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (229) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (228) [system] _8182=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (228) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (227) [system] _8174=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (227) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1702900)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1704758)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=(;)
^  Call: (227) [user] is_like_space(')')
   Call: (228) [system] char_type(')', 'white')
   Call: (228) [system] char_type(')', end_of_line)
   Call: (228) [system] char_type(')', space)
   Call: (228) [system] char_type(')', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1713226)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ')')
   Call: (226) [system] ')'=')'
   Exit: (226) [system] ')'=')'
   Call: (226) [system] get_char((0x56051b6b4f40), _1717016)
   Exit: (226) [system] get_char((0x56051b6b4f40), ')')
   Call: (226) [system] _1702900=[]
   Exit: (226) [system] []=[]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (225) [system] _8170=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (225) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (224) [system] _8128=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (224) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (223) [system] _8120=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (223) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (222) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (221) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (221) [user] read_list(')', (0x56051b6b4f40), _1730898)
^  Call: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _1732756)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (223) [system] '\n'=(;)
^  Call: (223) [user] is_like_space('\n')
   Call: (224) [system] char_type('\n', 'white')
   Call: (224) [system] char_type('\n', end_of_line)
   Exit: (224) [system] char_type('\n', end_of_line)
^  Exit: (223) [user] is_like_space('\n')
   Call: (223) [system] get_char((0x56051b6b4f40), _1740372)
   Exit: (223) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1743076)
   Exit: (224) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (224) [system] ' '=(;)
^  Call: (224) [user] is_like_space(' ')
   Call: (225) [system] char_type(' ', 'white')
   Exit: (225) [system] char_type(' ', 'white')
^  Exit: (224) [user] is_like_space(' ')
   Call: (224) [system] get_char((0x56051b6b4f40), _1749886)
   Exit: (224) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1752590)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (222) [user] skip_spaces((0x56051b6b4f40))
   Call: (222) [system] peek_char((0x56051b6b4f40), _1762906)
   Exit: (222) [system] peek_char((0x56051b6b4f40), '(')
   Call: (222) [system] '('=')'
   Call: (222) [system] '('=end_of_file
^  Call: (222) [user] cont_sexpr(')', (0x56051b6b4f40), _1766620)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1768478)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=(;)
^  Call: (224) [user] is_like_space('(')
   Call: (225) [system] char_type('(', 'white')
   Call: (225) [system] char_type('(', end_of_line)
   Call: (225) [system] char_type('(', space)
   Call: (225) [system] char_type('(', cntrl)
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] get_char((0x56051b6b4f40), _1776946)
   Exit: (223) [system] get_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('='('
   Exit: (223) [system] '('='('
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1766620)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1782516)
   Exit: (225) [system] peek_char((0x56051b6b4f40), :)
   Call: (225) [system] (:)=(;)
^  Call: (225) [user] is_like_space(:)
   Call: (226) [system] char_type(:, 'white')
   Call: (226) [system] char_type(:, end_of_line)
   Call: (226) [system] char_type(:, space)
   Call: (226) [system] char_type(:, cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1790984)
   Exit: (224) [system] peek_char((0x56051b6b4f40), :)
   Call: (224) [system] (:)=')'
   Call: (224) [system] (:)=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1794698)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1796556)
   Exit: (226) [system] peek_char((0x56051b6b4f40), :)
   Call: (226) [system] (:)=(;)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1805024)
   Exit: (225) [system] get_char((0x56051b6b4f40), :)
   Call: (225) [system] (:)='('
   Call: (225) [system] (:)='['
   Call: (225) [system] (:)='{'
   Call: (225) [system] (:)='"'
   Call: (225) [system] (:)=!
   Call: (225) [system] (:)='\''
   Call: (225) [system] (:)='`'
   Call: (225) [system] (:)=end_of_file
^  Call: (225) [user] read_symbolic(')', (0x56051b6b4f40), :, _1794698)
^  Call: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1815242)
   Call: (227) [system] peek_char((0x56051b6b4f40), _1816176)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] is_delimiter(' ')
   Call: (228) [system] char_type(' ', space)
   Exit: (228) [system] char_type(' ', space)
^  Exit: (227) [user] is_delimiter(' ')
   Call: (227) [system] _1815242=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (226) [user] classify_and_convert_charseq(:, [], _1794698)
^  Call: (228) [system] setup_call_cleanup('$notrace'(_1825486, _1825488), once(user:catch(read_from_chars([:], _1794698), _1825462, fail)), '$restore_trace'(_1825486, _1825488))
^  Call: (229) [system] sig_atomic(system:'$notrace'(_1825486, _1825488))
^  Exit: (228) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1825462, fail)), system:'$restore_trace'(3, -1))
   Call: (227) [system] atomic(:)
   Exit: (227) [system] atomic(:)
^  Exit: (226) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (225) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _1832986)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1834844)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1841654)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1844358)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1853750)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _1857464)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1859322)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _1867790)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1857464)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1873360)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=(;)
^  Call: (228) [user] is_like_space('D')
   Call: (229) [system] char_type('D', 'white')
   Call: (229) [system] char_type('D', end_of_line)
   Call: (229) [system] char_type('D', space)
   Call: (229) [system] char_type('D', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1881828)
   Exit: (227) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (227) [system] 'D'=')'
   Call: (227) [system] 'D'=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1885542)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1887400)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'=(;)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1895868)
   Exit: (228) [system] get_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'='('
   Call: (228) [system] 'D'='['
   Call: (228) [system] 'D'='{'
   Call: (228) [system] 'D'='"'
   Call: (228) [system] 'D'=!
   Call: (228) [system] 'D'='\''
   Call: (228) [system] 'D'='`'
   Call: (228) [system] 'D'=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1885542)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1906086)
   Call: (230) [system] peek_char((0x56051b6b4f40), _1907020)
   Exit: (230) [system] peek_char((0x56051b6b4f40), i)
^  Call: (230) [user] is_delimiter(i)
   Call: (231) [system] char_type(i, space)
   Call: (231) [system] arg(_1910812, v('(', ')', end_of_file), i)
   Call: (230) [system] ')'==i
   Call: (230) [system] get_char((0x56051b6b4f40), i)
   Exit: (230) [system] get_char((0x56051b6b4f40), i)
   Call: (230) [system] i=(\)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1915382)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1916316)
   Exit: (231) [system] peek_char((0x56051b6b4f40), s)
^  Call: (231) [user] is_delimiter(s)
   Call: (232) [system] char_type(s, space)
   Call: (232) [system] arg(_1920108, v('(', ')', end_of_file), s)
   Call: (231) [system] ')'==s
   Call: (231) [system] get_char((0x56051b6b4f40), s)
   Exit: (231) [system] get_char((0x56051b6b4f40), s)
   Call: (231) [system] s=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1924678)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1925612)
   Exit: (232) [system] peek_char((0x56051b6b4f40), j)
^  Call: (232) [user] is_delimiter(j)
   Call: (233) [system] char_type(j, space)
   Call: (233) [system] arg(_1929404, v('(', ')', end_of_file), j)
   Call: (232) [system] ')'==j
   Call: (232) [system] get_char((0x56051b6b4f40), j)
   Exit: (232) [system] get_char((0x56051b6b4f40), j)
   Call: (232) [system] j=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1933974)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1934908)
   Exit: (233) [system] peek_char((0x56051b6b4f40), u)
^  Call: (233) [user] is_delimiter(u)
   Call: (234) [system] char_type(u, space)
   Call: (234) [system] arg(_1938700, v('(', ')', end_of_file), u)
   Call: (233) [system] ')'==u
   Call: (233) [system] get_char((0x56051b6b4f40), u)
   Exit: (233) [system] get_char((0x56051b6b4f40), u)
   Call: (233) [system] u=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1943270)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1944204)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_1947996, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1952566)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1953500)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_1957292, v('(', ')', end_of_file), c)
   Call: (235) [system] ')'==c
   Call: (235) [system] get_char((0x56051b6b4f40), c)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1961862)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1962796)
   Exit: (236) [system] peek_char((0x56051b6b4f40), t)
^  Call: (236) [user] is_delimiter(t)
   Call: (237) [system] char_type(t, space)
   Call: (237) [system] arg(_1966588, v('(', ')', end_of_file), t)
   Call: (236) [system] ')'==t
   Call: (236) [system] get_char((0x56051b6b4f40), t)
   Exit: (236) [system] get_char((0x56051b6b4f40), t)
   Call: (236) [system] t=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1971158)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1972092)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1975884, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1980454)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1981388)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1985180, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1989750)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1990684)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1994476, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1999046)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1999980)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (240) [user] is_delimiter('I')
   Call: (241) [system] char_type('I', space)
   Call: (241) [system] arg(_2003772, v('(', ')', end_of_file), 'I')
   Call: (240) [system] ')'=='I'
   Call: (240) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (240) [system] get_char((0x56051b6b4f40), 'I')
   Call: (240) [system] 'I'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2008342)
   Call: (241) [system] peek_char((0x56051b6b4f40), _2009276)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_2013068, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2017638)
   Call: (242) [system] peek_char((0x56051b6b4f40), _2018572)
   Exit: (242) [system] peek_char((0x56051b6b4f40), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_2022364, v('(', ')', end_of_file), t)
   Call: (242) [system] ')'==t
   Call: (242) [system] get_char((0x56051b6b4f40), t)
   Exit: (242) [system] get_char((0x56051b6b4f40), t)
   Call: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2026934)
   Call: (243) [system] peek_char((0x56051b6b4f40), _2027868)
   Exit: (243) [system] peek_char((0x56051b6b4f40), r)
^  Call: (243) [user] is_delimiter(r)
   Call: (244) [system] char_type(r, space)
   Call: (244) [system] arg(_2031660, v('(', ')', end_of_file), r)
   Call: (243) [system] ')'==r
   Call: (243) [system] get_char((0x56051b6b4f40), r)
   Exit: (243) [system] get_char((0x56051b6b4f40), r)
   Call: (243) [system] r=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2036230)
   Call: (244) [system] peek_char((0x56051b6b4f40), _2037164)
   Exit: (244) [system] peek_char((0x56051b6b4f40), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_2040956, v('(', ')', end_of_file), o)
   Call: (244) [system] ')'==o
   Call: (244) [system] get_char((0x56051b6b4f40), o)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2045526)
   Call: (245) [system] peek_char((0x56051b6b4f40), _2046460)
   Exit: (245) [system] peek_char((0x56051b6b4f40), d)
^  Call: (245) [user] is_delimiter(d)
   Call: (246) [system] char_type(d, space)
   Call: (246) [system] arg(_2050252, v('(', ')', end_of_file), d)
   Call: (245) [system] ')'==d
   Call: (245) [system] get_char((0x56051b6b4f40), d)
   Exit: (245) [system] get_char((0x56051b6b4f40), d)
   Call: (245) [system] d=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2054822)
   Call: (246) [system] peek_char((0x56051b6b4f40), _2055756)
   Exit: (246) [system] peek_char((0x56051b6b4f40), u)
^  Call: (246) [user] is_delimiter(u)
   Call: (247) [system] char_type(u, space)
   Call: (247) [system] arg(_2059548, v('(', ')', end_of_file), u)
   Call: (246) [system] ')'==u
   Call: (246) [system] get_char((0x56051b6b4f40), u)
   Exit: (246) [system] get_char((0x56051b6b4f40), u)
   Call: (246) [system] u=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2064118)
   Call: (247) [system] peek_char((0x56051b6b4f40), _2065052)
   Exit: (247) [system] peek_char((0x56051b6b4f40), c)
^  Call: (247) [user] is_delimiter(c)
   Call: (248) [system] char_type(c, space)
   Call: (248) [system] arg(_2068844, v('(', ')', end_of_file), c)
   Call: (247) [system] ')'==c
   Call: (247) [system] get_char((0x56051b6b4f40), c)
   Exit: (247) [system] get_char((0x56051b6b4f40), c)
   Call: (247) [system] c=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2073414)
   Call: (248) [system] peek_char((0x56051b6b4f40), _2074348)
   Exit: (248) [system] peek_char((0x56051b6b4f40), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_2078140, v('(', ')', end_of_file), t)
   Call: (248) [system] ')'==t
   Call: (248) [system] get_char((0x56051b6b4f40), t)
   Exit: (248) [system] get_char((0x56051b6b4f40), t)
   Call: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2082710)
   Call: (249) [system] peek_char((0x56051b6b4f40), _2083644)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_2087436, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2092006)
   Call: (250) [system] peek_char((0x56051b6b4f40), _2092940)
   Exit: (250) [system] peek_char((0x56051b6b4f40), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_8496, v('(', ')', end_of_file), o)
   Call: (250) [system] ')'==o
   Call: (250) [system] get_char((0x56051b6b4f40), o)
   Exit: (250) [system] get_char((0x56051b6b4f40), o)
   Call: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _12902)
   Call: (251) [system] peek_char((0x56051b6b4f40), _13836)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_17628, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _22198)
   Call: (252) [system] peek_char((0x56051b6b4f40), _23132)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _22198=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (251) [system] _12902=[n]
   Exit: (251) [system] [n]=[n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (250) [system] _8426=[o, n]
   Exit: (250) [system] [o, n]=[o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (249) [system] _8422=[i, o, n]
   Exit: (249) [system] [i, o, n]=[i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (248) [system] _8418=[t, i, o, n]
   Exit: (248) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (247) [system] _8414=[c, t, i, o, n]
   Exit: (247) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (246) [system] _8410=[u, c, t, i, o, n]
   Exit: (246) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (245) [system] _8406=[d, u, c, t, i, o, n]
   Exit: (245) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (244) [system] _8402=[o, d, u, c, t, i, o, n]
   Exit: (244) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (243) [system] _8398=[r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _8394=[t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _8390=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _8386=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _8382=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _8378=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _8374=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _8370=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _8366=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _8362=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _8358=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _8354=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _8350=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (230) [system] _8346=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (230) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (229) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _8342)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_93910, _93912), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _8342), _93886, fail)), '$restore_trace'(_93910, _93912))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_93910, _93912))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _8342), _93886, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(_8342)
   Call: (230) [system] atom_chars(_8342, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (230) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (229) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _102362)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _104220)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _111030)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _113734)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _123126)
   Exit: (228) [system] peek_char((0x56051b6b4f40), a)
   Call: (228) [system] a=')'
   Call: (228) [system] a=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _126840)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _128698)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=(;)
^  Call: (230) [user] is_like_space(a)
   Call: (231) [system] char_type(a, 'white')
   Call: (231) [system] char_type(a, end_of_line)
   Call: (231) [system] char_type(a, space)
   Call: (231) [system] char_type(a, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _137166)
   Exit: (229) [system] get_char((0x56051b6b4f40), a)
   Call: (229) [system] a='('
   Call: (229) [system] a='['
   Call: (229) [system] a='{'
   Call: (229) [system] a='"'
   Call: (229) [system] a=!
   Call: (229) [system] a='\''
   Call: (229) [system] a='`'
   Call: (229) [system] a=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), a, _126840)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _147384)
   Call: (231) [system] peek_char((0x56051b6b4f40), _148318)
   Exit: (231) [system] peek_char((0x56051b6b4f40), b)
^  Call: (231) [user] is_delimiter(b)
   Call: (232) [system] char_type(b, space)
   Call: (232) [system] arg(_152110, v('(', ')', end_of_file), b)
   Call: (231) [system] ')'==b
   Call: (231) [system] get_char((0x56051b6b4f40), b)
   Exit: (231) [system] get_char((0x56051b6b4f40), b)
   Call: (231) [system] b=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _156680)
   Call: (232) [system] peek_char((0x56051b6b4f40), _157614)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
^  Call: (232) [user] is_delimiter(c)
   Call: (233) [system] char_type(c, space)
   Call: (233) [system] arg(_161406, v('(', ')', end_of_file), c)
   Call: (232) [system] ')'==c
   Call: (232) [system] get_char((0x56051b6b4f40), c)
   Exit: (232) [system] get_char((0x56051b6b4f40), c)
   Call: (232) [system] c=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _165976)
   Call: (233) [system] peek_char((0x56051b6b4f40), _166910)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _165976=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (232) [system] _156680=[c]
   Exit: (232) [system] [c]=[c]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (231) [system] _147384=[b, c]
   Exit: (231) [system] [b, c]=[b, c]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (230) [user] classify_and_convert_charseq(a, [b, c], _126840)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_181808, _181810), once(user:catch(read_from_chars([a, b, c], _126840), _181784, fail)), '$restore_trace'(_181808, _181810))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_181808, _181810))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _181784, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(abc)
   Exit: (231) [system] atomic(abc)
^  Exit: (230) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _189308)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _191166)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _197976)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _200680)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _210072)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _213786)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _215644)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _224112)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _213786)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _229682)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'=(;)
^  Call: (232) [user] is_like_space('C')
   Call: (233) [system] char_type('C', 'white')
   Call: (233) [system] char_type('C', end_of_line)
   Call: (233) [system] char_type('C', space)
   Call: (233) [system] char_type('C', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _238150)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (231) [system] 'C'=')'
   Call: (231) [system] 'C'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _241864)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _243722)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=(;)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _252190)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'='('
   Call: (232) [system] 'C'='['
   Call: (232) [system] 'C'='{'
   Call: (232) [system] 'C'='"'
   Call: (232) [system] 'C'=!
   Call: (232) [system] 'C'='\''
   Call: (232) [system] 'C'='`'
   Call: (232) [system] 'C'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _241864)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _262408)
   Call: (234) [system] peek_char((0x56051b6b4f40), _263342)
   Exit: (234) [system] peek_char((0x56051b6b4f40), o)
^  Call: (234) [user] is_delimiter(o)
   Call: (235) [system] char_type(o, space)
   Call: (235) [system] arg(_267134, v('(', ')', end_of_file), o)
   Call: (234) [system] ')'==o
   Call: (234) [system] get_char((0x56051b6b4f40), o)
   Exit: (234) [system] get_char((0x56051b6b4f40), o)
   Call: (234) [system] o=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _271704)
   Call: (235) [system] peek_char((0x56051b6b4f40), _272638)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_276430, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _281000)
   Call: (236) [system] peek_char((0x56051b6b4f40), _281934)
   Exit: (236) [system] peek_char((0x56051b6b4f40), j)
^  Call: (236) [user] is_delimiter(j)
   Call: (237) [system] char_type(j, space)
   Call: (237) [system] arg(_285726, v('(', ')', end_of_file), j)
   Call: (236) [system] ')'==j
   Call: (236) [system] get_char((0x56051b6b4f40), j)
   Exit: (236) [system] get_char((0x56051b6b4f40), j)
   Call: (236) [system] j=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _290296)
   Call: (237) [system] peek_char((0x56051b6b4f40), _291230)
   Exit: (237) [system] peek_char((0x56051b6b4f40), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_295022, v('(', ')', end_of_file), u)
   Call: (237) [system] ')'==u
   Call: (237) [system] get_char((0x56051b6b4f40), u)
   Exit: (237) [system] get_char((0x56051b6b4f40), u)
   Call: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _299592)
   Call: (238) [system] peek_char((0x56051b6b4f40), _300526)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_304318, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _308888)
   Call: (239) [system] peek_char((0x56051b6b4f40), _309822)
   Exit: (239) [system] peek_char((0x56051b6b4f40), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_313614, v('(', ')', end_of_file), c)
   Call: (239) [system] ')'==c
   Call: (239) [system] get_char((0x56051b6b4f40), c)
   Exit: (239) [system] get_char((0x56051b6b4f40), c)
   Call: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _318184)
   Call: (240) [system] peek_char((0x56051b6b4f40), _319118)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_322910, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _327480)
   Call: (241) [system] peek_char((0x56051b6b4f40), _328414)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_332206, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _336776)
   Call: (242) [system] peek_char((0x56051b6b4f40), _337710)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_341502, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _346072)
   Call: (243) [system] peek_char((0x56051b6b4f40), _347006)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_350798, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _355368)
   Call: (244) [system] peek_char((0x56051b6b4f40), _356302)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (244) [user] is_delimiter('I')
   Call: (245) [system] char_type('I', space)
   Call: (245) [system] arg(_360094, v('(', ')', end_of_file), 'I')
   Call: (244) [system] ')'=='I'
   Call: (244) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (244) [system] get_char((0x56051b6b4f40), 'I')
   Call: (244) [system] 'I'=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _364664)
   Call: (245) [system] peek_char((0x56051b6b4f40), _365598)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_369390, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _373960)
   Call: (246) [system] peek_char((0x56051b6b4f40), _374894)
   Exit: (246) [system] peek_char((0x56051b6b4f40), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_378686, v('(', ')', end_of_file), t)
   Call: (246) [system] ')'==t
   Call: (246) [system] get_char((0x56051b6b4f40), t)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _383256)
   Call: (247) [system] peek_char((0x56051b6b4f40), _384190)
   Exit: (247) [system] peek_char((0x56051b6b4f40), r)
^  Call: (247) [user] is_delimiter(r)
   Call: (248) [system] char_type(r, space)
   Call: (248) [system] arg(_387982, v('(', ')', end_of_file), r)
   Call: (247) [system] ')'==r
   Call: (247) [system] get_char((0x56051b6b4f40), r)
   Exit: (247) [system] get_char((0x56051b6b4f40), r)
   Call: (247) [system] r=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _392552)
   Call: (248) [system] peek_char((0x56051b6b4f40), _393486)
   Exit: (248) [system] peek_char((0x56051b6b4f40), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_397278, v('(', ')', end_of_file), o)
   Call: (248) [system] ')'==o
   Call: (248) [system] get_char((0x56051b6b4f40), o)
   Exit: (248) [system] get_char((0x56051b6b4f40), o)
   Call: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _401848)
   Call: (249) [system] peek_char((0x56051b6b4f40), _402782)
   Exit: (249) [system] peek_char((0x56051b6b4f40), d)
^  Call: (249) [user] is_delimiter(d)
   Call: (250) [system] char_type(d, space)
   Call: (250) [system] arg(_406574, v('(', ')', end_of_file), d)
   Call: (249) [system] ')'==d
   Call: (249) [system] get_char((0x56051b6b4f40), d)
   Exit: (249) [system] get_char((0x56051b6b4f40), d)
   Call: (249) [system] d=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _411144)
   Call: (250) [system] peek_char((0x56051b6b4f40), _412078)
   Exit: (250) [system] peek_char((0x56051b6b4f40), u)
^  Call: (250) [user] is_delimiter(u)
   Call: (251) [system] char_type(u, space)
   Call: (251) [system] arg(_415870, v('(', ')', end_of_file), u)
   Call: (250) [system] ')'==u
   Call: (250) [system] get_char((0x56051b6b4f40), u)
   Exit: (250) [system] get_char((0x56051b6b4f40), u)
   Call: (250) [system] u=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _420440)
   Call: (251) [system] peek_char((0x56051b6b4f40), _421374)
   Exit: (251) [system] peek_char((0x56051b6b4f40), c)
^  Call: (251) [user] is_delimiter(c)
   Call: (252) [system] char_type(c, space)
   Call: (252) [system] arg(_425166, v('(', ')', end_of_file), c)
   Call: (251) [system] ')'==c
   Call: (251) [system] get_char((0x56051b6b4f40), c)
   Exit: (251) [system] get_char((0x56051b6b4f40), c)
   Call: (251) [system] c=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _429736)
   Call: (252) [system] peek_char((0x56051b6b4f40), _430670)
   Exit: (252) [system] peek_char((0x56051b6b4f40), t)
^  Call: (252) [user] is_delimiter(t)
   Call: (253) [system] char_type(t, space)
   Call: (253) [system] arg(_434462, v('(', ')', end_of_file), t)
   Call: (252) [system] ')'==t
   Call: (252) [system] get_char((0x56051b6b4f40), t)
   Exit: (252) [system] get_char((0x56051b6b4f40), t)
   Call: (252) [system] t=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _439032)
   Call: (253) [system] peek_char((0x56051b6b4f40), _439966)
   Exit: (253) [system] peek_char((0x56051b6b4f40), i)
^  Call: (253) [user] is_delimiter(i)
   Call: (254) [system] char_type(i, space)
   Call: (254) [system] arg(_443758, v('(', ')', end_of_file), i)
   Call: (253) [system] ')'==i
   Call: (253) [system] get_char((0x56051b6b4f40), i)
   Exit: (253) [system] get_char((0x56051b6b4f40), i)
   Call: (253) [system] i=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _448328)
   Call: (254) [system] peek_char((0x56051b6b4f40), _449262)
   Exit: (254) [system] peek_char((0x56051b6b4f40), o)
^  Call: (254) [user] is_delimiter(o)
   Call: (255) [system] char_type(o, space)
   Call: (255) [system] arg(_453054, v('(', ')', end_of_file), o)
   Call: (254) [system] ')'==o
   Call: (254) [system] get_char((0x56051b6b4f40), o)
   Exit: (254) [system] get_char((0x56051b6b4f40), o)
   Call: (254) [system] o=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _457624)
   Call: (255) [system] peek_char((0x56051b6b4f40), _458558)
   Exit: (255) [system] peek_char((0x56051b6b4f40), n)
^  Call: (255) [user] is_delimiter(n)
   Call: (256) [system] char_type(n, space)
   Call: (256) [system] arg(_462350, v('(', ')', end_of_file), n)
   Call: (255) [system] ')'==n
   Call: (255) [system] get_char((0x56051b6b4f40), n)
   Exit: (255) [system] get_char((0x56051b6b4f40), n)
   Call: (255) [system] n=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _466920)
   Call: (256) [system] peek_char((0x56051b6b4f40), _467854)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (256) [user] is_delimiter(' ')
   Call: (257) [system] char_type(' ', space)
   Exit: (257) [system] char_type(' ', space)
^  Exit: (256) [user] is_delimiter(' ')
   Call: (256) [system] _466920=[]
   Exit: (256) [system] []=[]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (255) [system] _457624=[n]
   Exit: (255) [system] [n]=[n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (254) [system] _448328=[o, n]
   Exit: (254) [system] [o, n]=[o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (253) [system] _439032=[i, o, n]
   Exit: (253) [system] [i, o, n]=[i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (252) [system] _429736=[t, i, o, n]
   Exit: (252) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (251) [system] _420440=[c, t, i, o, n]
   Exit: (251) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (250) [system] _411144=[u, c, t, i, o, n]
   Exit: (250) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (249) [system] _401848=[d, u, c, t, i, o, n]
   Exit: (249) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (248) [system] _392552=[o, d, u, c, t, i, o, n]
   Exit: (248) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (247) [system] _383256=[r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _373960=[t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _364664=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _355368=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _346072=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _336776=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _327480=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _318184=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _308888=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _299592=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _290296=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _281000=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _271704=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _262408=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (233) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _241864)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_538632, _538634), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _241864), _538608, fail)), '$restore_trace'(_538632, _538634))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_538632, _538634))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _241864), _538608, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_241864)
   Call: (234) [system] atom_chars(_241864, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (234) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (233) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _547084)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _548942)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _555752)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _558456)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(;)
^  Call: (234) [user] is_like_space(c)
   Call: (235) [system] char_type(c, 'white')
   Call: (235) [system] char_type(c, end_of_line)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] char_type(c, cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _567848)
   Exit: (232) [system] peek_char((0x56051b6b4f40), c)
   Call: (232) [system] c=')'
   Call: (232) [system] c=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _571562)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _573420)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(;)
^  Call: (234) [user] is_like_space(c)
   Call: (235) [system] char_type(c, 'white')
   Call: (235) [system] char_type(c, end_of_line)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] char_type(c, cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _581888)
   Exit: (233) [system] get_char((0x56051b6b4f40), c)
   Call: (233) [system] c='('
   Call: (233) [system] c='['
   Call: (233) [system] c='{'
   Call: (233) [system] c='"'
   Call: (233) [system] c=!
   Call: (233) [system] c='\''
   Call: (233) [system] c='`'
   Call: (233) [system] c=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), c, _571562)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592106)
   Call: (235) [system] peek_char((0x56051b6b4f40), _593040)
   Exit: (235) [system] peek_char((0x56051b6b4f40), d)
^  Call: (235) [user] is_delimiter(d)
   Call: (236) [system] char_type(d, space)
   Call: (236) [system] arg(_596832, v('(', ')', end_of_file), d)
   Call: (235) [system] ')'==d
   Call: (235) [system] get_char((0x56051b6b4f40), d)
   Exit: (235) [system] get_char((0x56051b6b4f40), d)
   Call: (235) [system] d=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _601402)
   Call: (236) [system] peek_char((0x56051b6b4f40), _602336)
   Exit: (236) [system] peek_char((0x56051b6b4f40), e)
^  Call: (236) [user] is_delimiter(e)
   Call: (237) [system] char_type(e, space)
   Call: (237) [system] arg(_606128, v('(', ')', end_of_file), e)
   Call: (236) [system] ')'==e
   Call: (236) [system] get_char((0x56051b6b4f40), e)
   Exit: (236) [system] get_char((0x56051b6b4f40), e)
   Call: (236) [system] e=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _610698)
   Call: (237) [system] peek_char((0x56051b6b4f40), _611632)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _610698=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _601402=[e]
   Exit: (236) [system] [e]=[e]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (235) [system] _592106=[d, e]
   Exit: (235) [system] [d, e]=[d, e]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (234) [user] classify_and_convert_charseq(c, [d, e], _571562)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_626530, _626532), once(user:catch(read_from_chars([c, d, e], _571562), _626506, fail)), '$restore_trace'(_626530, _626532))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_626530, _626532))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _626506, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(cde)
   Exit: (235) [system] atomic(cde)
^  Exit: (234) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _634030)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _635888)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _642698)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _645402)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
   Call: (235) [system] a=(;)
^  Call: (235) [user] is_like_space(a)
   Call: (236) [system] char_type(a, 'white')
   Call: (236) [system] char_type(a, end_of_line)
   Call: (236) [system] char_type(a, space)
   Call: (236) [system] char_type(a, cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _654794)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
   Call: (233) [system] a=')'
   Call: (233) [system] a=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _658508)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _660366)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
   Call: (235) [system] a=(;)
^  Call: (235) [user] is_like_space(a)
   Call: (236) [system] char_type(a, 'white')
   Call: (236) [system] char_type(a, end_of_line)
   Call: (236) [system] char_type(a, space)
   Call: (236) [system] char_type(a, cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _668834)
   Exit: (234) [system] get_char((0x56051b6b4f40), a)
   Call: (234) [system] a='('
   Call: (234) [system] a='['
   Call: (234) [system] a='{'
   Call: (234) [system] a='"'
   Call: (234) [system] a=!
   Call: (234) [system] a='\''
   Call: (234) [system] a='`'
   Call: (234) [system] a=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), a, _658508)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _679052)
   Call: (236) [system] peek_char((0x56051b6b4f40), _679986)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_683778, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _679052=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq(a, [], _658508)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_690240, _690242), once(user:catch(read_from_chars([a], _658508), _690216, fail)), '$restore_trace'(_690240, _690242))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_690240, _690242))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _690216, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(a)
   Exit: (236) [system] atomic(a)
^  Exit: (235) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _697740)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _699598)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _708066)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _711856)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _697740=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _634030=[a]
   Exit: (233) [system] [a]=[a]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (232) [system] _547084=[cde, a]
   Exit: (232) [system] [cde, a]=[cde, a]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [cde, a])
   Call: (231) [system] _213786=['ConjunctionIntroduction', cde, a]
   Exit: (231) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, a])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, a])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _725738)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _727596)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _736064)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _739854)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _725738=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _189308=[['ConjunctionIntroduction', cde, a]]
   Exit: (229) [system] [['ConjunctionIntroduction', cde, a]]=[['ConjunctionIntroduction', cde, a]]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', cde, a]])
   Call: (228) [system] _102362=[abc, ['ConjunctionIntroduction', cde, a]]
   Exit: (228) [system] [abc, ['ConjunctionIntroduction', cde, a]]=[abc, ['ConjunctionIntroduction', cde, a]]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', cde, a]])
   Call: (227) [system] _8336=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]]
   Exit: (227) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _753736)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _755594)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _762404)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _765108)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _774500)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _778214)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _780072)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _788540)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _778214)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _794110)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'=(;)
^  Call: (229) [user] is_like_space('O')
   Call: (230) [system] char_type('O', 'white')
   Call: (230) [system] char_type('O', end_of_line)
   Call: (230) [system] char_type('O', space)
   Call: (230) [system] char_type('O', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _802578)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (228) [system] 'O'=')'
   Call: (228) [system] 'O'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _806292)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _808150)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (230) [system] 'O'=(;)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _816618)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'='('
   Call: (229) [system] 'O'='['
   Call: (229) [system] 'O'='{'
   Call: (229) [system] 'O'='"'
   Call: (229) [system] 'O'=!
   Call: (229) [system] 'O'='\''
   Call: (229) [system] 'O'='`'
   Call: (229) [system] 'O'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _806292)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _826836)
   Call: (231) [system] peek_char((0x56051b6b4f40), _827770)
   Exit: (231) [system] peek_char((0x56051b6b4f40), r)
^  Call: (231) [user] is_delimiter(r)
   Call: (232) [system] char_type(r, space)
   Call: (232) [system] arg(_831562, v('(', ')', end_of_file), r)
   Call: (231) [system] ')'==r
   Call: (231) [system] get_char((0x56051b6b4f40), r)
   Exit: (231) [system] get_char((0x56051b6b4f40), r)
   Call: (231) [system] r=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _836132)
   Call: (232) [system] peek_char((0x56051b6b4f40), _837066)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (232) [user] is_delimiter('L')
   Call: (233) [system] char_type('L', space)
   Call: (233) [system] arg(_840858, v('(', ')', end_of_file), 'L')
   Call: (232) [system] ')'=='L'
   Call: (232) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (232) [system] get_char((0x56051b6b4f40), 'L')
   Call: (232) [system] 'L'=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _845428)
   Call: (233) [system] peek_char((0x56051b6b4f40), _846362)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_850154, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _854724)
   Call: (234) [system] peek_char((0x56051b6b4f40), _855658)
   Exit: (234) [system] peek_char((0x56051b6b4f40), n)
^  Call: (234) [user] is_delimiter(n)
   Call: (235) [system] char_type(n, space)
   Call: (235) [system] arg(_859450, v('(', ')', end_of_file), n)
   Call: (234) [system] ')'==n
   Call: (234) [system] get_char((0x56051b6b4f40), n)
   Exit: (234) [system] get_char((0x56051b6b4f40), n)
   Call: (234) [system] n=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _864020)
   Call: (235) [system] peek_char((0x56051b6b4f40), _864954)
   Exit: (235) [system] peek_char((0x56051b6b4f40), k)
^  Call: (235) [user] is_delimiter(k)
   Call: (236) [system] char_type(k, space)
   Call: (236) [system] arg(_868746, v('(', ')', end_of_file), k)
   Call: (235) [system] ')'==k
   Call: (235) [system] get_char((0x56051b6b4f40), k)
   Exit: (235) [system] get_char((0x56051b6b4f40), k)
   Call: (235) [system] k=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _873316)
   Call: (236) [system] peek_char((0x56051b6b4f40), _874250)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _873316=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _864020=[k]
   Exit: (235) [system] [k]=[k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (234) [system] _854724=[n, k]
   Exit: (234) [system] [n, k]=[n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (233) [system] _845428=[i, n, k]
   Exit: (233) [system] [i, n, k]=[i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (232) [system] _836132=['L', i, n, k]
   Exit: (232) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (231) [system] _826836=[r, 'L', i, n, k]
   Exit: (231) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _806292)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_897530, _897532), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _806292), _897506, fail)), '$restore_trace'(_897530, _897532))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_897530, _897532))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _806292), _897506, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_806292)
   Call: (231) [system] atom_chars(_806292, ['O', r, 'L', i, n, k])
   Exit: (231) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (230) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _905982)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _907840)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _914650)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _917354)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _926746)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _930460)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _932318)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _940786)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _930460)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _946356)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'=(;)
^  Call: (232) [user] is_like_space('I')
   Call: (233) [system] char_type('I', 'white')
   Call: (233) [system] char_type('I', end_of_line)
   Call: (233) [system] char_type('I', space)
   Call: (233) [system] char_type('I', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _954824)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (231) [system] 'I'=')'
   Call: (231) [system] 'I'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _958538)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _960396)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'=(;)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _968864)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'='('
   Call: (232) [system] 'I'='['
   Call: (232) [system] 'I'='{'
   Call: (232) [system] 'I'='"'
   Call: (232) [system] 'I'=!
   Call: (232) [system] 'I'='\''
   Call: (232) [system] 'I'='`'
   Call: (232) [system] 'I'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _958538)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _979082)
   Call: (234) [system] peek_char((0x56051b6b4f40), _980016)
   Exit: (234) [system] peek_char((0x56051b6b4f40), m)
^  Call: (234) [user] is_delimiter(m)
   Call: (235) [system] char_type(m, space)
   Call: (235) [system] arg(_983808, v('(', ')', end_of_file), m)
   Call: (234) [system] ')'==m
   Call: (234) [system] get_char((0x56051b6b4f40), m)
   Exit: (234) [system] get_char((0x56051b6b4f40), m)
   Call: (234) [system] m=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _988378)
   Call: (235) [system] peek_char((0x56051b6b4f40), _989312)
   Exit: (235) [system] peek_char((0x56051b6b4f40), p)
^  Call: (235) [user] is_delimiter(p)
   Call: (236) [system] char_type(p, space)
   Call: (236) [system] arg(_993104, v('(', ')', end_of_file), p)
   Call: (235) [system] ')'==p
   Call: (235) [system] get_char((0x56051b6b4f40), p)
   Exit: (235) [system] get_char((0x56051b6b4f40), p)
   Call: (235) [system] p=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _997674)
   Call: (236) [system] peek_char((0x56051b6b4f40), _998608)
   Exit: (236) [system] peek_char((0x56051b6b4f40), l)
^  Call: (236) [user] is_delimiter(l)
   Call: (237) [system] char_type(l, space)
   Call: (237) [system] arg(_1002400, v('(', ')', end_of_file), l)
   Call: (236) [system] ')'==l
   Call: (236) [system] get_char((0x56051b6b4f40), l)
   Exit: (236) [system] get_char((0x56051b6b4f40), l)
   Call: (236) [system] l=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1006970)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1007904)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_1011696, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1016266)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1017200)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_1020992, v('(', ')', end_of_file), c)
   Call: (238) [system] ')'==c
   Call: (238) [system] get_char((0x56051b6b4f40), c)
   Exit: (238) [system] get_char((0x56051b6b4f40), c)
   Call: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1025562)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1026496)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
^  Call: (239) [user] is_delimiter(a)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] arg(_1030288, v('(', ')', end_of_file), a)
   Call: (239) [system] ')'==a
   Call: (239) [system] get_char((0x56051b6b4f40), a)
   Exit: (239) [system] get_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1034858)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1035792)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_1039584, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1044154)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1045088)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1048880, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1053450)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1054384)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_1058176, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1062746)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1063680)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1067472, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1072042)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1072976)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1072042=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (243) [system] _1062746=[n]
   Exit: (243) [system] [n]=[n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (242) [system] _1053450=[o, n]
   Exit: (242) [system] [o, n]=[o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (241) [system] _1044154=[i, o, n]
   Exit: (241) [system] [i, o, n]=[i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (240) [system] _1034858=[t, i, o, n]
   Exit: (240) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (239) [system] _1025562=[a, t, i, o, n]
   Exit: (239) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (238) [system] _1016266=[c, a, t, i, o, n]
   Exit: (238) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (237) [system] _1006970=[i, c, a, t, i, o, n]
   Exit: (237) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (236) [system] _997674=[l, i, c, a, t, i, o, n]
   Exit: (236) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (235) [system] _988378=[p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (234) [system] _979082=[m, p, l, i, c, a, t, i, o, n]
   Exit: (234) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (233) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _958538)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1110226, _1110228), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _958538), _1110202, fail)), '$restore_trace'(_1110226, _1110228))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1110226, _1110228))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _958538), _1110202, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_958538)
   Call: (234) [system] atom_chars(_958538, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (234) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (233) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1118678)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1120536)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1127346)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1130050)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1139442)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1143156)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1145014)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1153482)
   Exit: (233) [system] get_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1143156)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1159052)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1167520)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=')'
   Call: (234) [system] 'A'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1171234)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1173092)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=(;)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1181560)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'='('
   Call: (235) [system] 'A'='['
   Call: (235) [system] 'A'='{'
   Call: (235) [system] 'A'='"'
   Call: (235) [system] 'A'=!
   Call: (235) [system] 'A'='\''
   Call: (235) [system] 'A'='`'
   Call: (235) [system] 'A'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1171234)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1191778)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1192712)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1196504, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1201074)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1202008)
   Exit: (238) [system] peek_char((0x56051b6b4f40), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_1205800, v('(', ')', end_of_file), d)
   Call: (238) [system] ')'==d
   Call: (238) [system] get_char((0x56051b6b4f40), d)
   Exit: (238) [system] get_char((0x56051b6b4f40), d)
   Call: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1210370)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1211304)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_1215096, v('(', ')', end_of_file), 'L')
   Call: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (239) [system] get_char((0x56051b6b4f40), 'L')
   Call: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1219666)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1220600)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1224392, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1228962)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1229896)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1233688, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1238258)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1239192)
   Exit: (242) [system] peek_char((0x56051b6b4f40), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_1242984, v('(', ')', end_of_file), k)
   Call: (242) [system] ')'==k
   Call: (242) [system] get_char((0x56051b6b4f40), k)
   Exit: (242) [system] get_char((0x56051b6b4f40), k)
   Call: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1247554)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1248488)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1247554=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _1238258=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (241) [system] _1228962=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (240) [system] _1219666=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (239) [system] _1210370=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (238) [system] _1201074=[d, 'L', i, n, k]
   Exit: (238) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (237) [system] _1191778=[n, d, 'L', i, n, k]
   Exit: (237) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (236) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1171234)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1274562, _1274564), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1171234), _1274538, fail)), '$restore_trace'(_1274562, _1274564))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1274562, _1274564))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1171234), _1274538, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_1171234)
   Call: (237) [system] atom_chars(_1171234, ['A', n, d, 'L', i, n, k])
   Exit: (237) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (236) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1283014)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1284872)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _1291682)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1294386)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1303778)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=')'
   Call: (235) [system] 'A'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1307492)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1309350)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1317818)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'='('
   Call: (236) [system] 'A'='['
   Call: (236) [system] 'A'='{'
   Call: (236) [system] 'A'='"'
   Call: (236) [system] 'A'=!
   Call: (236) [system] 'A'='\''
   Call: (236) [system] 'A'='`'
   Call: (236) [system] 'A'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1307492)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1328036)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1328970)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1328036=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (237) [user] classify_and_convert_charseq('A', [], _1307492)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1338280, _1338282), once(user:catch(read_from_chars(['A'], _1307492), _1338256, fail)), '$restore_trace'(_1338280, _1338282))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1338280, _1338282))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1307492), _1338256, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1307492)
   Call: (238) [system] atom_chars(_1307492, ['A'])
   Exit: (238) [system] atom_chars('A', ['A'])
^  Exit: (237) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1346732)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1348590)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _1355400)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1358104)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=(;)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1367496)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'=')'
   Call: (236) [system] 'B'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1371210)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1373068)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=(;)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1381536)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'B')
   Call: (237) [system] 'B'='('
   Call: (237) [system] 'B'='['
   Call: (237) [system] 'B'='{'
   Call: (237) [system] 'B'='"'
   Call: (237) [system] 'B'=!
   Call: (237) [system] 'B'='\''
   Call: (237) [system] 'B'='`'
   Call: (237) [system] 'B'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1371210)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1391754)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1392688)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (239) [user] is_delimiter(')')
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] arg(_1396480, v('(', ')', end_of_file), ')')
   Exit: (240) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (239) [user] is_delimiter(')')
   Call: (239) [system] _1391754=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq('B', [], _1371210)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_1402942, _1402944), once(user:catch(read_from_chars(['B'], _1371210), _1402918, fail)), '$restore_trace'(_1402942, _1402944))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_1402942, _1402944))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1371210), _1402918, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_1371210)
   Call: (239) [system] atom_chars(_1371210, ['B'])
   Exit: (239) [system] atom_chars('B', ['B'])
^  Exit: (238) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1411394)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1413252)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1421720)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x56051b6b4f40), _1425510)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] _1411394=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1346732=['B']
   Exit: (236) [system] ['B']=['B']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (235) [system] _1283014=['A', 'B']
   Exit: (235) [system] ['A', 'B']=['A', 'B']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (234) [system] _1143156=['AndLink', 'A', 'B']
   Exit: (234) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1439392)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1441250)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1448060)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1450764)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1460156)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=')'
   Call: (233) [system] 'C'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1463870)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1465728)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1474196)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'='('
   Call: (234) [system] 'C'='['
   Call: (234) [system] 'C'='{'
   Call: (234) [system] 'C'='"'
   Call: (234) [system] 'C'=!
   Call: (234) [system] 'C'='\''
   Call: (234) [system] 'C'='`'
   Call: (234) [system] 'C'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1463870)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1484414)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1485348)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (236) [user] is_delimiter(')')
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] arg(_1489140, v('(', ')', end_of_file), ')')
   Exit: (237) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (236) [user] is_delimiter(')')
   Call: (236) [system] _1484414=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq('C', [], _1463870)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1495602, _1495604), once(user:catch(read_from_chars(['C'], _1463870), _1495578, fail)), '$restore_trace'(_1495602, _1495604))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1495602, _1495604))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1463870), _1495578, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_1463870)
   Call: (236) [system] atom_chars(_1463870, ['C'])
   Exit: (236) [system] atom_chars('C', ['C'])
^  Exit: (235) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1504054)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1505912)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1514380)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _1518170)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _1504054=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _1439392=['C']
   Exit: (233) [system] ['C']=['C']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (232) [system] _1118678=[['AndLink', 'A', 'B'], 'C']
   Exit: (232) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (231) [system] _930460=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (231) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1532052)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1533910)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1540720)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1543424)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1552816)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1556530)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1558388)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1566856)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1556530)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1572426)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=(;)
^  Call: (233) [user] is_like_space('A')
   Call: (234) [system] char_type('A', 'white')
   Call: (234) [system] char_type('A', end_of_line)
   Call: (234) [system] char_type('A', space)
   Call: (234) [system] char_type('A', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1580894)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (232) [system] 'A'=')'
   Call: (232) [system] 'A'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1584608)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1586466)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1594934)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'='('
   Call: (233) [system] 'A'='['
   Call: (233) [system] 'A'='{'
   Call: (233) [system] 'A'='"'
   Call: (233) [system] 'A'=!
   Call: (233) [system] 'A'='\''
   Call: (233) [system] 'A'='`'
   Call: (233) [system] 'A'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1584608)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1605152)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1606086)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1609878, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1614448)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1615382)
   Exit: (236) [system] peek_char((0x56051b6b4f40), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_1619174, v('(', ')', end_of_file), d)
   Call: (236) [system] ')'==d
   Call: (236) [system] get_char((0x56051b6b4f40), d)
   Exit: (236) [system] get_char((0x56051b6b4f40), d)
   Call: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1623744)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1624678)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (237) [user] is_delimiter('L')
   Call: (238) [system] char_type('L', space)
   Call: (238) [system] arg(_1628470, v('(', ')', end_of_file), 'L')
   Call: (237) [system] ')'=='L'
   Call: (237) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (237) [system] get_char((0x56051b6b4f40), 'L')
   Call: (237) [system] 'L'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1633040)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1633974)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1637766, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1642336)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1643270)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1647062, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1651632)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1652566)
   Exit: (240) [system] peek_char((0x56051b6b4f40), k)
^  Call: (240) [user] is_delimiter(k)
   Call: (241) [system] char_type(k, space)
   Call: (241) [system] arg(_1656358, v('(', ')', end_of_file), k)
   Call: (240) [system] ')'==k
   Call: (240) [system] get_char((0x56051b6b4f40), k)
   Exit: (240) [system] get_char((0x56051b6b4f40), k)
   Call: (240) [system] k=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1660928)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1661862)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1660928=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _1651632=[k]
   Exit: (240) [system] [k]=[k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (239) [system] _1642336=[n, k]
   Exit: (239) [system] [n, k]=[n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (238) [system] _1633040=[i, n, k]
   Exit: (238) [system] [i, n, k]=[i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (237) [system] _1623744=['L', i, n, k]
   Exit: (237) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (236) [system] _1614448=[d, 'L', i, n, k]
   Exit: (236) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (235) [system] _1605152=[n, d, 'L', i, n, k]
   Exit: (235) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (234) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1584608)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1687936, _1687938), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1584608), _1687912, fail)), '$restore_trace'(_1687936, _1687938))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1687936, _1687938))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1584608), _1687912, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1584608)
   Call: (235) [system] atom_chars(_1584608, ['A', n, d, 'L', i, n, k])
   Exit: (235) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (234) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1696388)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1698246)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1705056)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1707760)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1717152)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1720866)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1722724)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1731192)
   Exit: (234) [system] get_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1720866)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1736762)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'=(;)
^  Call: (236) [user] is_like_space('I')
   Call: (237) [system] char_type('I', 'white')
   Call: (237) [system] char_type('I', end_of_line)
   Call: (237) [system] char_type('I', space)
   Call: (237) [system] char_type('I', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1745230)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'=')'
   Call: (235) [system] 'I'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1748944)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1750802)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=(;)
^  Call: (237) [user] is_like_space('I')
   Call: (238) [system] char_type('I', 'white')
   Call: (238) [system] char_type('I', end_of_line)
   Call: (238) [system] char_type('I', space)
   Call: (238) [system] char_type('I', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1759270)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'='('
   Call: (236) [system] 'I'='['
   Call: (236) [system] 'I'='{'
   Call: (236) [system] 'I'='"'
   Call: (236) [system] 'I'=!
   Call: (236) [system] 'I'='\''
   Call: (236) [system] 'I'='`'
   Call: (236) [system] 'I'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1748944)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1769488)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1770422)
   Exit: (238) [system] peek_char((0x56051b6b4f40), m)
^  Call: (238) [user] is_delimiter(m)
   Call: (239) [system] char_type(m, space)
   Call: (239) [system] arg(_1774214, v('(', ')', end_of_file), m)
   Call: (238) [system] ')'==m
   Call: (238) [system] get_char((0x56051b6b4f40), m)
   Exit: (238) [system] get_char((0x56051b6b4f40), m)
   Call: (238) [system] m=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1778784)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1779718)
   Exit: (239) [system] peek_char((0x56051b6b4f40), p)
^  Call: (239) [user] is_delimiter(p)
   Call: (240) [system] char_type(p, space)
   Call: (240) [system] arg(_1783510, v('(', ')', end_of_file), p)
   Call: (239) [system] ')'==p
   Call: (239) [system] get_char((0x56051b6b4f40), p)
   Exit: (239) [system] get_char((0x56051b6b4f40), p)
   Call: (239) [system] p=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1788080)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1789014)
   Exit: (240) [system] peek_char((0x56051b6b4f40), l)
^  Call: (240) [user] is_delimiter(l)
   Call: (241) [system] char_type(l, space)
   Call: (241) [system] arg(_1792806, v('(', ')', end_of_file), l)
   Call: (240) [system] ')'==l
   Call: (240) [system] get_char((0x56051b6b4f40), l)
   Exit: (240) [system] get_char((0x56051b6b4f40), l)
   Call: (240) [system] l=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1797376)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1798310)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1802102, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1806672)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1807606)
   Exit: (242) [system] peek_char((0x56051b6b4f40), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_1811398, v('(', ')', end_of_file), c)
   Call: (242) [system] ')'==c
   Call: (242) [system] get_char((0x56051b6b4f40), c)
   Exit: (242) [system] get_char((0x56051b6b4f40), c)
   Call: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1815968)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1816902)
   Exit: (243) [system] peek_char((0x56051b6b4f40), a)
^  Call: (243) [user] is_delimiter(a)
   Call: (244) [system] char_type(a, space)
   Call: (244) [system] arg(_1820694, v('(', ')', end_of_file), a)
   Call: (243) [system] ')'==a
   Call: (243) [system] get_char((0x56051b6b4f40), a)
   Exit: (243) [system] get_char((0x56051b6b4f40), a)
   Call: (243) [system] a=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1825264)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1826198)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1829990, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1834560)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1835494)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_1839286, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1843856)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1844790)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1848582, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1853152)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1854086)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_1857878, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1862448)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1863382)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1862448=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _1853152=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (246) [system] _1843856=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (245) [system] _1834560=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (244) [system] _1825264=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (243) [system] _1815968=[a, t, i, o, n]
   Exit: (243) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (242) [system] _1806672=[c, a, t, i, o, n]
   Exit: (242) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (241) [system] _1797376=[i, c, a, t, i, o, n]
   Exit: (241) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (240) [system] _1788080=[l, i, c, a, t, i, o, n]
   Exit: (240) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (239) [system] _1778784=[p, l, i, c, a, t, i, o, n]
   Exit: (239) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (238) [system] _1769488=[m, p, l, i, c, a, t, i, o, n]
   Exit: (238) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (237) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1748944)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1900632, _1900634), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1748944), _1900608, fail)), '$restore_trace'(_1900632, _1900634))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1900632, _1900634))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1748944), _1900608, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1748944)
   Call: (238) [system] atom_chars(_1748944, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (238) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (237) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1909084)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1910942)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _1917752)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1920456)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1929848)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=')'
   Call: (236) [system] '('=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1933562)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1935420)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1943888)
   Exit: (237) [system] get_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('='('
   Exit: (237) [system] '('='('
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1933562)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1949458)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (239) [system] 'O'=(;)
^  Call: (239) [user] is_like_space('O')
   Call: (240) [system] char_type('O', 'white')
   Call: (240) [system] char_type('O', end_of_line)
   Call: (240) [system] char_type('O', space)
   Call: (240) [system] char_type('O', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1957926)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (238) [system] 'O'=')'
   Call: (238) [system] 'O'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1961640)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1963498)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (240) [system] 'O'=(;)
^  Call: (240) [user] is_like_space('O')
   Call: (241) [system] char_type('O', 'white')
   Call: (241) [system] char_type('O', end_of_line)
   Call: (241) [system] char_type('O', space)
   Call: (241) [system] char_type('O', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1971966)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'O')
   Call: (239) [system] 'O'='('
   Call: (239) [system] 'O'='['
   Call: (239) [system] 'O'='{'
   Call: (239) [system] 'O'='"'
   Call: (239) [system] 'O'=!
   Call: (239) [system] 'O'='\''
   Call: (239) [system] 'O'='`'
   Call: (239) [system] 'O'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1961640)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1982184)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1983118)
   Exit: (241) [system] peek_char((0x56051b6b4f40), r)
^  Call: (241) [user] is_delimiter(r)
   Call: (242) [system] char_type(r, space)
   Call: (242) [system] arg(_1986910, v('(', ')', end_of_file), r)
   Call: (241) [system] ')'==r
   Call: (241) [system] get_char((0x56051b6b4f40), r)
   Exit: (241) [system] get_char((0x56051b6b4f40), r)
   Call: (241) [system] r=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1991480)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1992414)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (242) [user] is_delimiter('L')
   Call: (243) [system] char_type('L', space)
   Call: (243) [system] arg(_1996206, v('(', ')', end_of_file), 'L')
   Call: (242) [system] ')'=='L'
   Call: (242) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (242) [system] get_char((0x56051b6b4f40), 'L')
   Call: (242) [system] 'L'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2000776)
   Call: (243) [system] peek_char((0x56051b6b4f40), _2001710)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_2005502, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2010072)
   Call: (244) [system] peek_char((0x56051b6b4f40), _2011006)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_2014798, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2019368)
   Call: (245) [system] peek_char((0x56051b6b4f40), _2020302)
   Exit: (245) [system] peek_char((0x56051b6b4f40), k)
^  Call: (245) [user] is_delimiter(k)
   Call: (246) [system] char_type(k, space)
   Call: (246) [system] arg(_2024094, v('(', ')', end_of_file), k)
   Call: (245) [system] ')'==k
   Call: (245) [system] get_char((0x56051b6b4f40), k)
   Exit: (245) [system] get_char((0x56051b6b4f40), k)
   Call: (245) [system] k=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2028664)
   Call: (246) [system] peek_char((0x56051b6b4f40), _2029598)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _2028664=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (245) [system] _2019368=[k]
   Exit: (245) [system] [k]=[k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (244) [system] _2010072=[n, k]
   Exit: (244) [system] [n, k]=[n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (243) [system] _2000776=[i, n, k]
   Exit: (243) [system] [i, n, k]=[i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (242) [system] _1991480=['L', i, n, k]
   Exit: (242) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (241) [system] _1982184=[r, 'L', i, n, k]
   Exit: (241) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (240) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1961640)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_2052878, _2052880), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1961640), _2052854, fail)), '$restore_trace'(_2052878, _2052880))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_2052878, _2052880))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1961640), _2052854, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1961640)
   Call: (241) [system] atom_chars(_1961640, ['O', r, 'L', i, n, k])
   Exit: (241) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (240) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _2061330)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _2063188)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _2069998)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _2072702)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (241) [system] 'C'=(;)
^  Call: (241) [user] is_like_space('C')
   Call: (242) [system] char_type('C', 'white')
   Call: (242) [system] char_type('C', end_of_line)
   Call: (242) [system] char_type('C', space)
   Call: (242) [system] char_type('C', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2082094)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'=')'
   Call: (239) [system] 'C'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _2085808)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _2087666)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (241) [system] 'C'=(;)
^  Call: (241) [user] is_like_space('C')
   Call: (242) [system] char_type('C', 'white')
   Call: (242) [system] char_type('C', end_of_line)
   Call: (242) [system] char_type('C', space)
   Call: (242) [system] char_type('C', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _2096134)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'C')
   Call: (240) [system] 'C'='('
   Call: (240) [system] 'C'='['
   Call: (240) [system] 'C'='{'
   Call: (240) [system] 'C'='"'
   Call: (240) [system] 'C'=!
   Call: (240) [system] 'C'='\''
   Call: (240) [system] 'C'='`'
   Call: (240) [system] 'C'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _8468)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _17756)
   Call: (242) [system] peek_char((0x56051b6b4f40), _18690)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _17756=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq('C', [], _8468)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_28000, _28002), once(user:catch(read_from_chars(['C'], _8468), _27976, fail)), '$restore_trace'(_28000, _28002))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_28000, _28002))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _8468), _27976, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_8468)
   Call: (242) [system] atom_chars(_8468, ['C'])
   Exit: (242) [system] atom_chars('C', ['C'])
^  Exit: (241) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _36452)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _38310)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _45120)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _47824)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (242) [system] 'D'=(;)
^  Call: (242) [user] is_like_space('D')
   Call: (243) [system] char_type('D', 'white')
   Call: (243) [system] char_type('D', end_of_line)
   Call: (243) [system] char_type('D', space)
   Call: (243) [system] char_type('D', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _57216)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (240) [system] 'D'=')'
   Call: (240) [system] 'D'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _60930)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _62788)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (242) [system] 'D'=(;)
^  Call: (242) [user] is_like_space('D')
   Call: (243) [system] char_type('D', 'white')
   Call: (243) [system] char_type('D', end_of_line)
   Call: (243) [system] char_type('D', space)
   Call: (243) [system] char_type('D', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _71256)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'D')
   Call: (241) [system] 'D'='('
   Call: (241) [system] 'D'='['
   Call: (241) [system] 'D'='{'
   Call: (241) [system] 'D'='"'
   Call: (241) [system] 'D'=!
   Call: (241) [system] 'D'='\''
   Call: (241) [system] 'D'='`'
   Call: (241) [system] 'D'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _60930)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _81474)
   Call: (243) [system] peek_char((0x56051b6b4f40), _82408)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (243) [user] is_delimiter(')')
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] arg(_86200, v('(', ')', end_of_file), ')')
   Exit: (244) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (243) [user] is_delimiter(')')
   Call: (243) [system] _81474=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (242) [user] classify_and_convert_charseq('D', [], _60930)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_92662, _92664), once(user:catch(read_from_chars(['D'], _60930), _92638, fail)), '$restore_trace'(_92662, _92664))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_92662, _92664))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _60930), _92638, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_60930)
   Call: (243) [system] atom_chars(_60930, ['D'])
   Exit: (243) [system] atom_chars('D', ['D'])
^  Exit: (242) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _101114)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _102972)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=(;)
^  Call: (242) [user] is_like_space(')')
   Call: (243) [system] char_type(')', 'white')
   Call: (243) [system] char_type(')', end_of_line)
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] char_type(')', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _111440)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=')'
   Exit: (241) [system] ')'=')'
   Call: (241) [system] get_char((0x56051b6b4f40), _115230)
   Exit: (241) [system] get_char((0x56051b6b4f40), ')')
   Call: (241) [system] _101114=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (240) [system] _36452=['D']
   Exit: (240) [system] ['D']=['D']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (239) [system] _8464=['C', 'D']
   Exit: (239) [system] ['C', 'D']=['C', 'D']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (238) [system] _8456=['OrLink', 'C', 'D']
   Exit: (238) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _129112)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _130970)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _137780)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _140484)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (239) [system] 'E'=(;)
^  Call: (239) [user] is_like_space('E')
   Call: (240) [system] char_type('E', 'white')
   Call: (240) [system] char_type('E', end_of_line)
   Call: (240) [system] char_type('E', space)
   Call: (240) [system] char_type('E', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _149876)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (237) [system] 'E'=')'
   Call: (237) [system] 'E'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _153590)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _155448)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (239) [system] 'E'=(;)
^  Call: (239) [user] is_like_space('E')
   Call: (240) [system] char_type('E', 'white')
   Call: (240) [system] char_type('E', end_of_line)
   Call: (240) [system] char_type('E', space)
   Call: (240) [system] char_type('E', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _163916)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'E')
   Call: (238) [system] 'E'='('
   Call: (238) [system] 'E'='['
   Call: (238) [system] 'E'='{'
   Call: (238) [system] 'E'='"'
   Call: (238) [system] 'E'=!
   Call: (238) [system] 'E'='\''
   Call: (238) [system] 'E'='`'
   Call: (238) [system] 'E'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _153590)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _174134)
   Call: (240) [system] peek_char((0x56051b6b4f40), _175068)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_178860, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _174134=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq('E', [], _153590)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_185322, _185324), once(user:catch(read_from_chars(['E'], _153590), _185298, fail)), '$restore_trace'(_185322, _185324))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_185322, _185324))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _153590), _185298, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_153590)
   Call: (240) [system] atom_chars(_153590, ['E'])
   Exit: (240) [system] atom_chars('E', ['E'])
^  Exit: (239) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _193774)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _195632)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _204100)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x56051b6b4f40), _207890)
   Exit: (238) [system] get_char((0x56051b6b4f40), ')')
   Call: (238) [system] _193774=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (237) [system] _129112=['E']
   Exit: (237) [system] ['E']=['E']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (236) [system] _8452=[['OrLink', 'C', 'D'], 'E']
   Exit: (236) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (235) [system] _8444=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (235) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _221772)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _223630)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _230440)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _233144)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'=(;)
^  Call: (236) [user] is_like_space('B')
   Call: (237) [system] char_type('B', 'white')
   Call: (237) [system] char_type('B', end_of_line)
   Call: (237) [system] char_type('B', space)
   Call: (237) [system] char_type('B', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _242536)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (234) [system] 'B'=')'
   Call: (234) [system] 'B'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _246250)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _248108)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'=(;)
^  Call: (236) [user] is_like_space('B')
   Call: (237) [system] char_type('B', 'white')
   Call: (237) [system] char_type('B', end_of_line)
   Call: (237) [system] char_type('B', space)
   Call: (237) [system] char_type('B', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _256576)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'B')
   Call: (235) [system] 'B'='('
   Call: (235) [system] 'B'='['
   Call: (235) [system] 'B'='{'
   Call: (235) [system] 'B'='"'
   Call: (235) [system] 'B'=!
   Call: (235) [system] 'B'='\''
   Call: (235) [system] 'B'='`'
   Call: (235) [system] 'B'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _246250)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _266794)
   Call: (237) [system] peek_char((0x56051b6b4f40), _267728)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_271520, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _266794=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (236) [user] classify_and_convert_charseq('B', [], _246250)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_277982, _277984), once(user:catch(read_from_chars(['B'], _246250), _277958, fail)), '$restore_trace'(_277982, _277984))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_277982, _277984))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _246250), _277958, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_246250)
   Call: (237) [system] atom_chars(_246250, ['B'])
   Exit: (237) [system] atom_chars('B', ['B'])
^  Exit: (236) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _286434)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _288292)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _296760)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x56051b6b4f40), _300550)
   Exit: (235) [system] get_char((0x56051b6b4f40), ')')
   Call: (235) [system] _286434=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (234) [system] _221772=['B']
   Exit: (234) [system] ['B']=['B']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (233) [system] _8440=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (233) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
   Call: (232) [system] _8432=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
   Exit: (232) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B'])
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _314432)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _316290)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _324758)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _328548)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _314432=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _8428=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (230) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (229) [system] _8386=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (229) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
   Call: (228) [system] _8378=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
   Exit: (228) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _342430)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _344288)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=(;)
^  Call: (228) [user] is_like_space(')')
   Call: (229) [system] char_type(')', 'white')
   Call: (229) [system] char_type(')', end_of_line)
   Call: (229) [system] char_type(')', space)
   Call: (229) [system] char_type(')', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _352756)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ')')
   Call: (227) [system] ')'=')'
   Exit: (227) [system] ')'=')'
   Call: (227) [system] get_char((0x56051b6b4f40), _356546)
   Exit: (227) [system] get_char((0x56051b6b4f40), ')')
   Call: (227) [system] _342430=[]
   Exit: (227) [system] []=[]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (226) [system] _8374=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (226) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (225) [system] _8332=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (225) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
   Call: (224) [system] _8324=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
   Exit: (224) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]]
^  Exit: (223) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Exit: (222) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'B']]])
^  Call: (222) [user] read_list(')', (0x56051b6b4f40), _370428)
^  Call: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _372286)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (224) [system] '\n'=(;)
^  Call: (224) [user] is_like_space('\n')
   Call: (225) [system] char_type('\n', 'white')
   Call: (225) [system] char_type('\n', end_of_line)
   Exit: (225) [system] char_type('\n', end_of_line)
^  Exit: (224) [user] is_like_space('\n')
   Call: (224) [system] get_char((0x56051b6b4f40), _379902)
   Exit: (224) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _382606)
   Exit: (225) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (225) [system] ' '=(;)
^  Call: (225) [user] is_like_space(' ')
   Call: (226) [system] char_type(' ', 'white')
   Exit: (226) [system] char_type(' ', 'white')
^  Exit: (225) [user] is_like_space(' ')
   Call: (225) [system] get_char((0x56051b6b4f40), _389416)
   Exit: (225) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _392120)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (223) [user] skip_spaces((0x56051b6b4f40))
   Call: (223) [system] peek_char((0x56051b6b4f40), _402436)
   Exit: (223) [system] peek_char((0x56051b6b4f40), '(')
   Call: (223) [system] '('=')'
   Call: (223) [system] '('=end_of_file
^  Call: (223) [user] cont_sexpr(')', (0x56051b6b4f40), _406150)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _408008)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=(;)
^  Call: (225) [user] is_like_space('(')
   Call: (226) [system] char_type('(', 'white')
   Call: (226) [system] char_type('(', end_of_line)
   Call: (226) [system] char_type('(', space)
   Call: (226) [system] char_type('(', cntrl)
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] get_char((0x56051b6b4f40), _416476)
   Exit: (224) [system] get_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('='('
   Exit: (224) [system] '('='('
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _406150)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _422046)
   Exit: (226) [system] peek_char((0x56051b6b4f40), :)
   Call: (226) [system] (:)=(;)
^  Call: (226) [user] is_like_space(:)
   Call: (227) [system] char_type(:, 'white')
   Call: (227) [system] char_type(:, end_of_line)
   Call: (227) [system] char_type(:, space)
   Call: (227) [system] char_type(:, cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _430514)
   Exit: (225) [system] peek_char((0x56051b6b4f40), :)
   Call: (225) [system] (:)=')'
   Call: (225) [system] (:)=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _434228)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _436086)
   Exit: (227) [system] peek_char((0x56051b6b4f40), :)
   Call: (227) [system] (:)=(;)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _444554)
   Exit: (226) [system] get_char((0x56051b6b4f40), :)
   Call: (226) [system] (:)='('
   Call: (226) [system] (:)='['
   Call: (226) [system] (:)='{'
   Call: (226) [system] (:)='"'
   Call: (226) [system] (:)=!
   Call: (226) [system] (:)='\''
   Call: (226) [system] (:)='`'
   Call: (226) [system] (:)=end_of_file
^  Call: (226) [user] read_symbolic(')', (0x56051b6b4f40), :, _434228)
^  Call: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), _454772)
   Call: (228) [system] peek_char((0x56051b6b4f40), _455706)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] is_delimiter(' ')
   Call: (229) [system] char_type(' ', space)
   Exit: (229) [system] char_type(' ', space)
^  Exit: (228) [user] is_delimiter(' ')
   Call: (228) [system] _454772=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (227) [user] classify_and_convert_charseq(:, [], _434228)
^  Call: (229) [system] setup_call_cleanup('$notrace'(_465016, _465018), once(user:catch(read_from_chars([:], _434228), _464992, fail)), '$restore_trace'(_465016, _465018))
^  Call: (230) [system] sig_atomic(system:'$notrace'(_465016, _465018))
^  Exit: (229) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _464992, fail)), system:'$restore_trace'(3, -1))
   Call: (228) [system] atomic(:)
   Exit: (228) [system] atomic(:)
^  Exit: (227) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (226) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _472516)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _474374)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _481184)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _483888)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _493280)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _496994)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _498852)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _507320)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _496994)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _512890)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'=(;)
^  Call: (229) [user] is_like_space('D')
   Call: (230) [system] char_type('D', 'white')
   Call: (230) [system] char_type('D', end_of_line)
   Call: (230) [system] char_type('D', space)
   Call: (230) [system] char_type('D', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _521358)
   Exit: (228) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (228) [system] 'D'=')'
   Call: (228) [system] 'D'=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _525072)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _526930)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'=(;)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _535398)
   Exit: (229) [system] get_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'='('
   Call: (229) [system] 'D'='['
   Call: (229) [system] 'D'='{'
   Call: (229) [system] 'D'='"'
   Call: (229) [system] 'D'=!
   Call: (229) [system] 'D'='\''
   Call: (229) [system] 'D'='`'
   Call: (229) [system] 'D'=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _525072)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _545616)
   Call: (231) [system] peek_char((0x56051b6b4f40), _546550)
   Exit: (231) [system] peek_char((0x56051b6b4f40), i)
^  Call: (231) [user] is_delimiter(i)
   Call: (232) [system] char_type(i, space)
   Call: (232) [system] arg(_550342, v('(', ')', end_of_file), i)
   Call: (231) [system] ')'==i
   Call: (231) [system] get_char((0x56051b6b4f40), i)
   Exit: (231) [system] get_char((0x56051b6b4f40), i)
   Call: (231) [system] i=(\)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _554912)
   Call: (232) [system] peek_char((0x56051b6b4f40), _555846)
   Exit: (232) [system] peek_char((0x56051b6b4f40), s)
^  Call: (232) [user] is_delimiter(s)
   Call: (233) [system] char_type(s, space)
   Call: (233) [system] arg(_559638, v('(', ')', end_of_file), s)
   Call: (232) [system] ')'==s
   Call: (232) [system] get_char((0x56051b6b4f40), s)
   Exit: (232) [system] get_char((0x56051b6b4f40), s)
   Call: (232) [system] s=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _564208)
   Call: (233) [system] peek_char((0x56051b6b4f40), _565142)
   Exit: (233) [system] peek_char((0x56051b6b4f40), j)
^  Call: (233) [user] is_delimiter(j)
   Call: (234) [system] char_type(j, space)
   Call: (234) [system] arg(_568934, v('(', ')', end_of_file), j)
   Call: (233) [system] ')'==j
   Call: (233) [system] get_char((0x56051b6b4f40), j)
   Exit: (233) [system] get_char((0x56051b6b4f40), j)
   Call: (233) [system] j=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _573504)
   Call: (234) [system] peek_char((0x56051b6b4f40), _574438)
   Exit: (234) [system] peek_char((0x56051b6b4f40), u)
^  Call: (234) [user] is_delimiter(u)
   Call: (235) [system] char_type(u, space)
   Call: (235) [system] arg(_578230, v('(', ')', end_of_file), u)
   Call: (234) [system] ')'==u
   Call: (234) [system] get_char((0x56051b6b4f40), u)
   Exit: (234) [system] get_char((0x56051b6b4f40), u)
   Call: (234) [system] u=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _582800)
   Call: (235) [system] peek_char((0x56051b6b4f40), _583734)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_587526, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592096)
   Call: (236) [system] peek_char((0x56051b6b4f40), _593030)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_596822, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _601392)
   Call: (237) [system] peek_char((0x56051b6b4f40), _602326)
   Exit: (237) [system] peek_char((0x56051b6b4f40), t)
^  Call: (237) [user] is_delimiter(t)
   Call: (238) [system] char_type(t, space)
   Call: (238) [system] arg(_606118, v('(', ')', end_of_file), t)
   Call: (237) [system] ')'==t
   Call: (237) [system] get_char((0x56051b6b4f40), t)
   Exit: (237) [system] get_char((0x56051b6b4f40), t)
   Call: (237) [system] t=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _610688)
   Call: (238) [system] peek_char((0x56051b6b4f40), _611622)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_615414, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _619984)
   Call: (239) [system] peek_char((0x56051b6b4f40), _620918)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_624710, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _629280)
   Call: (240) [system] peek_char((0x56051b6b4f40), _630214)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_634006, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _638576)
   Call: (241) [system] peek_char((0x56051b6b4f40), _639510)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (241) [user] is_delimiter('I')
   Call: (242) [system] char_type('I', space)
   Call: (242) [system] arg(_643302, v('(', ')', end_of_file), 'I')
   Call: (241) [system] ')'=='I'
   Call: (241) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (241) [system] get_char((0x56051b6b4f40), 'I')
   Call: (241) [system] 'I'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _647872)
   Call: (242) [system] peek_char((0x56051b6b4f40), _648806)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_652598, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _657168)
   Call: (243) [system] peek_char((0x56051b6b4f40), _658102)
   Exit: (243) [system] peek_char((0x56051b6b4f40), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_661894, v('(', ')', end_of_file), t)
   Call: (243) [system] ')'==t
   Call: (243) [system] get_char((0x56051b6b4f40), t)
   Exit: (243) [system] get_char((0x56051b6b4f40), t)
   Call: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _666464)
   Call: (244) [system] peek_char((0x56051b6b4f40), _667398)
   Exit: (244) [system] peek_char((0x56051b6b4f40), r)
^  Call: (244) [user] is_delimiter(r)
   Call: (245) [system] char_type(r, space)
   Call: (245) [system] arg(_671190, v('(', ')', end_of_file), r)
   Call: (244) [system] ')'==r
   Call: (244) [system] get_char((0x56051b6b4f40), r)
   Exit: (244) [system] get_char((0x56051b6b4f40), r)
   Call: (244) [system] r=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _675760)
   Call: (245) [system] peek_char((0x56051b6b4f40), _676694)
   Exit: (245) [system] peek_char((0x56051b6b4f40), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_680486, v('(', ')', end_of_file), o)
   Call: (245) [system] ')'==o
   Call: (245) [system] get_char((0x56051b6b4f40), o)
   Exit: (245) [system] get_char((0x56051b6b4f40), o)
   Call: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _685056)
   Call: (246) [system] peek_char((0x56051b6b4f40), _685990)
   Exit: (246) [system] peek_char((0x56051b6b4f40), d)
^  Call: (246) [user] is_delimiter(d)
   Call: (247) [system] char_type(d, space)
   Call: (247) [system] arg(_689782, v('(', ')', end_of_file), d)
   Call: (246) [system] ')'==d
   Call: (246) [system] get_char((0x56051b6b4f40), d)
   Exit: (246) [system] get_char((0x56051b6b4f40), d)
   Call: (246) [system] d=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _694352)
   Call: (247) [system] peek_char((0x56051b6b4f40), _695286)
   Exit: (247) [system] peek_char((0x56051b6b4f40), u)
^  Call: (247) [user] is_delimiter(u)
   Call: (248) [system] char_type(u, space)
   Call: (248) [system] arg(_699078, v('(', ')', end_of_file), u)
   Call: (247) [system] ')'==u
   Call: (247) [system] get_char((0x56051b6b4f40), u)
   Exit: (247) [system] get_char((0x56051b6b4f40), u)
   Call: (247) [system] u=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _703648)
   Call: (248) [system] peek_char((0x56051b6b4f40), _704582)
   Exit: (248) [system] peek_char((0x56051b6b4f40), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_708374, v('(', ')', end_of_file), c)
   Call: (248) [system] ')'==c
   Call: (248) [system] get_char((0x56051b6b4f40), c)
   Exit: (248) [system] get_char((0x56051b6b4f40), c)
   Call: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _712944)
   Call: (249) [system] peek_char((0x56051b6b4f40), _713878)
   Exit: (249) [system] peek_char((0x56051b6b4f40), t)
^  Call: (249) [user] is_delimiter(t)
   Call: (250) [system] char_type(t, space)
   Call: (250) [system] arg(_717670, v('(', ')', end_of_file), t)
   Call: (249) [system] ')'==t
   Call: (249) [system] get_char((0x56051b6b4f40), t)
   Exit: (249) [system] get_char((0x56051b6b4f40), t)
   Call: (249) [system] t=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _722240)
   Call: (250) [system] peek_char((0x56051b6b4f40), _723174)
   Exit: (250) [system] peek_char((0x56051b6b4f40), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_726966, v('(', ')', end_of_file), i)
   Call: (250) [system] ')'==i
   Call: (250) [system] get_char((0x56051b6b4f40), i)
   Exit: (250) [system] get_char((0x56051b6b4f40), i)
   Call: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _731536)
   Call: (251) [system] peek_char((0x56051b6b4f40), _732470)
   Exit: (251) [system] peek_char((0x56051b6b4f40), o)
^  Call: (251) [user] is_delimiter(o)
   Call: (252) [system] char_type(o, space)
   Call: (252) [system] arg(_736262, v('(', ')', end_of_file), o)
   Call: (251) [system] ')'==o
   Call: (251) [system] get_char((0x56051b6b4f40), o)
   Exit: (251) [system] get_char((0x56051b6b4f40), o)
   Call: (251) [system] o=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _740832)
   Call: (252) [system] peek_char((0x56051b6b4f40), _741766)
   Exit: (252) [system] peek_char((0x56051b6b4f40), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_745558, v('(', ')', end_of_file), n)
   Call: (252) [system] ')'==n
   Call: (252) [system] get_char((0x56051b6b4f40), n)
   Exit: (252) [system] get_char((0x56051b6b4f40), n)
   Call: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _750128)
   Call: (253) [system] peek_char((0x56051b6b4f40), _751062)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _750128=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (252) [system] _740832=[n]
   Exit: (252) [system] [n]=[n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (251) [system] _731536=[o, n]
   Exit: (251) [system] [o, n]=[o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (250) [system] _722240=[i, o, n]
   Exit: (250) [system] [i, o, n]=[i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (249) [system] _712944=[t, i, o, n]
   Exit: (249) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (248) [system] _703648=[c, t, i, o, n]
   Exit: (248) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (247) [system] _694352=[u, c, t, i, o, n]
   Exit: (247) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (246) [system] _685056=[d, u, c, t, i, o, n]
   Exit: (246) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (245) [system] _675760=[o, d, u, c, t, i, o, n]
   Exit: (245) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (244) [system] _666464=[r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _657168=[t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _647872=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _638576=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _629280=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _619984=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _610688=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _601392=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _592096=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _582800=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _573504=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _564208=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _554912=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (231) [system] _545616=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (231) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (230) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _525072)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_821840, _821842), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _525072), _821816, fail)), '$restore_trace'(_821840, _821842))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_821840, _821842))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _525072), _821816, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(_525072)
   Call: (231) [system] atom_chars(_525072, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (231) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (230) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _830292)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _832150)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _838960)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _841664)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(;)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _851056)
   Exit: (229) [system] peek_char((0x56051b6b4f40), a)
   Call: (229) [system] a=')'
   Call: (229) [system] a=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _854770)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _856628)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=(;)
^  Call: (231) [user] is_like_space(a)
   Call: (232) [system] char_type(a, 'white')
   Call: (232) [system] char_type(a, end_of_line)
   Call: (232) [system] char_type(a, space)
   Call: (232) [system] char_type(a, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _865096)
   Exit: (230) [system] get_char((0x56051b6b4f40), a)
   Call: (230) [system] a='('
   Call: (230) [system] a='['
   Call: (230) [system] a='{'
   Call: (230) [system] a='"'
   Call: (230) [system] a=!
   Call: (230) [system] a='\''
   Call: (230) [system] a='`'
   Call: (230) [system] a=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), a, _854770)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _875314)
   Call: (232) [system] peek_char((0x56051b6b4f40), _876248)
   Exit: (232) [system] peek_char((0x56051b6b4f40), b)
^  Call: (232) [user] is_delimiter(b)
   Call: (233) [system] char_type(b, space)
   Call: (233) [system] arg(_880040, v('(', ')', end_of_file), b)
   Call: (232) [system] ')'==b
   Call: (232) [system] get_char((0x56051b6b4f40), b)
   Exit: (232) [system] get_char((0x56051b6b4f40), b)
   Call: (232) [system] b=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _884610)
   Call: (233) [system] peek_char((0x56051b6b4f40), _885544)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
^  Call: (233) [user] is_delimiter(c)
   Call: (234) [system] char_type(c, space)
   Call: (234) [system] arg(_889336, v('(', ')', end_of_file), c)
   Call: (233) [system] ')'==c
   Call: (233) [system] get_char((0x56051b6b4f40), c)
   Exit: (233) [system] get_char((0x56051b6b4f40), c)
   Call: (233) [system] c=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _893906)
   Call: (234) [system] peek_char((0x56051b6b4f40), _894840)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _893906=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (233) [system] _884610=[c]
   Exit: (233) [system] [c]=[c]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (232) [system] _875314=[b, c]
   Exit: (232) [system] [b, c]=[b, c]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (231) [user] classify_and_convert_charseq(a, [b, c], _854770)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_909738, _909740), once(user:catch(read_from_chars([a, b, c], _854770), _909714, fail)), '$restore_trace'(_909738, _909740))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_909738, _909740))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _909714, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(abc)
   Exit: (232) [system] atomic(abc)
^  Exit: (231) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _917238)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _919096)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _925906)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _928610)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _938002)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _941716)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _943574)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _952042)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _941716)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _957612)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=(;)
^  Call: (233) [user] is_like_space('C')
   Call: (234) [system] char_type('C', 'white')
   Call: (234) [system] char_type('C', end_of_line)
   Call: (234) [system] char_type('C', space)
   Call: (234) [system] char_type('C', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _966080)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (232) [system] 'C'=')'
   Call: (232) [system] 'C'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _969794)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _971652)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'=(;)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _980120)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'='('
   Call: (233) [system] 'C'='['
   Call: (233) [system] 'C'='{'
   Call: (233) [system] 'C'='"'
   Call: (233) [system] 'C'=!
   Call: (233) [system] 'C'='\''
   Call: (233) [system] 'C'='`'
   Call: (233) [system] 'C'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _969794)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _990338)
   Call: (235) [system] peek_char((0x56051b6b4f40), _991272)
   Exit: (235) [system] peek_char((0x56051b6b4f40), o)
^  Call: (235) [user] is_delimiter(o)
   Call: (236) [system] char_type(o, space)
   Call: (236) [system] arg(_995064, v('(', ')', end_of_file), o)
   Call: (235) [system] ')'==o
   Call: (235) [system] get_char((0x56051b6b4f40), o)
   Exit: (235) [system] get_char((0x56051b6b4f40), o)
   Call: (235) [system] o=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _999634)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1000568)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1004360, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1008930)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1009864)
   Exit: (237) [system] peek_char((0x56051b6b4f40), j)
^  Call: (237) [user] is_delimiter(j)
   Call: (238) [system] char_type(j, space)
   Call: (238) [system] arg(_1013656, v('(', ')', end_of_file), j)
   Call: (237) [system] ')'==j
   Call: (237) [system] get_char((0x56051b6b4f40), j)
   Exit: (237) [system] get_char((0x56051b6b4f40), j)
   Call: (237) [system] j=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1018226)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1019160)
   Exit: (238) [system] peek_char((0x56051b6b4f40), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_1022952, v('(', ')', end_of_file), u)
   Call: (238) [system] ')'==u
   Call: (238) [system] get_char((0x56051b6b4f40), u)
   Exit: (238) [system] get_char((0x56051b6b4f40), u)
   Call: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1027522)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1028456)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1032248, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1036818)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1037752)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_1041544, v('(', ')', end_of_file), c)
   Call: (240) [system] ')'==c
   Call: (240) [system] get_char((0x56051b6b4f40), c)
   Exit: (240) [system] get_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1046114)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1047048)
   Exit: (241) [system] peek_char((0x56051b6b4f40), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1050840, v('(', ')', end_of_file), t)
   Call: (241) [system] ')'==t
   Call: (241) [system] get_char((0x56051b6b4f40), t)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1055410)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1056344)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1060136, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1064706)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1065640)
   Exit: (243) [system] peek_char((0x56051b6b4f40), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1069432, v('(', ')', end_of_file), o)
   Call: (243) [system] ')'==o
   Call: (243) [system] get_char((0x56051b6b4f40), o)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1074002)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1074936)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1078728, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1083298)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1084232)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (245) [user] is_delimiter('I')
   Call: (246) [system] char_type('I', space)
   Call: (246) [system] arg(_1088024, v('(', ')', end_of_file), 'I')
   Call: (245) [system] ')'=='I'
   Call: (245) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (245) [system] get_char((0x56051b6b4f40), 'I')
   Call: (245) [system] 'I'=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1092594)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1093528)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1097320, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1101890)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1102824)
   Exit: (247) [system] peek_char((0x56051b6b4f40), t)
^  Call: (247) [user] is_delimiter(t)
   Call: (248) [system] char_type(t, space)
   Call: (248) [system] arg(_1106616, v('(', ')', end_of_file), t)
   Call: (247) [system] ')'==t
   Call: (247) [system] get_char((0x56051b6b4f40), t)
   Exit: (247) [system] get_char((0x56051b6b4f40), t)
   Call: (247) [system] t=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1111186)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1112120)
   Exit: (248) [system] peek_char((0x56051b6b4f40), r)
^  Call: (248) [user] is_delimiter(r)
   Call: (249) [system] char_type(r, space)
   Call: (249) [system] arg(_1115912, v('(', ')', end_of_file), r)
   Call: (248) [system] ')'==r
   Call: (248) [system] get_char((0x56051b6b4f40), r)
   Exit: (248) [system] get_char((0x56051b6b4f40), r)
   Call: (248) [system] r=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1120482)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1121416)
   Exit: (249) [system] peek_char((0x56051b6b4f40), o)
^  Call: (249) [user] is_delimiter(o)
   Call: (250) [system] char_type(o, space)
   Call: (250) [system] arg(_1125208, v('(', ')', end_of_file), o)
   Call: (249) [system] ')'==o
   Call: (249) [system] get_char((0x56051b6b4f40), o)
   Exit: (249) [system] get_char((0x56051b6b4f40), o)
   Call: (249) [system] o=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1129778)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1130712)
   Exit: (250) [system] peek_char((0x56051b6b4f40), d)
^  Call: (250) [user] is_delimiter(d)
   Call: (251) [system] char_type(d, space)
   Call: (251) [system] arg(_1134504, v('(', ')', end_of_file), d)
   Call: (250) [system] ')'==d
   Call: (250) [system] get_char((0x56051b6b4f40), d)
   Exit: (250) [system] get_char((0x56051b6b4f40), d)
   Call: (250) [system] d=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1139074)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1140008)
   Exit: (251) [system] peek_char((0x56051b6b4f40), u)
^  Call: (251) [user] is_delimiter(u)
   Call: (252) [system] char_type(u, space)
   Call: (252) [system] arg(_1143800, v('(', ')', end_of_file), u)
   Call: (251) [system] ')'==u
   Call: (251) [system] get_char((0x56051b6b4f40), u)
   Exit: (251) [system] get_char((0x56051b6b4f40), u)
   Call: (251) [system] u=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1148370)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1149304)
   Exit: (252) [system] peek_char((0x56051b6b4f40), c)
^  Call: (252) [user] is_delimiter(c)
   Call: (253) [system] char_type(c, space)
   Call: (253) [system] arg(_1153096, v('(', ')', end_of_file), c)
   Call: (252) [system] ')'==c
   Call: (252) [system] get_char((0x56051b6b4f40), c)
   Exit: (252) [system] get_char((0x56051b6b4f40), c)
   Call: (252) [system] c=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1157666)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1158600)
   Exit: (253) [system] peek_char((0x56051b6b4f40), t)
^  Call: (253) [user] is_delimiter(t)
   Call: (254) [system] char_type(t, space)
   Call: (254) [system] arg(_1162392, v('(', ')', end_of_file), t)
   Call: (253) [system] ')'==t
   Call: (253) [system] get_char((0x56051b6b4f40), t)
   Exit: (253) [system] get_char((0x56051b6b4f40), t)
   Call: (253) [system] t=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1166962)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1167896)
   Exit: (254) [system] peek_char((0x56051b6b4f40), i)
^  Call: (254) [user] is_delimiter(i)
   Call: (255) [system] char_type(i, space)
   Call: (255) [system] arg(_1171688, v('(', ')', end_of_file), i)
   Call: (254) [system] ')'==i
   Call: (254) [system] get_char((0x56051b6b4f40), i)
   Exit: (254) [system] get_char((0x56051b6b4f40), i)
   Call: (254) [system] i=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1176258)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1177192)
   Exit: (255) [system] peek_char((0x56051b6b4f40), o)
^  Call: (255) [user] is_delimiter(o)
   Call: (256) [system] char_type(o, space)
   Call: (256) [system] arg(_1180984, v('(', ')', end_of_file), o)
   Call: (255) [system] ')'==o
   Call: (255) [system] get_char((0x56051b6b4f40), o)
   Exit: (255) [system] get_char((0x56051b6b4f40), o)
   Call: (255) [system] o=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1185554)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1186488)
   Exit: (256) [system] peek_char((0x56051b6b4f40), n)
^  Call: (256) [user] is_delimiter(n)
   Call: (257) [system] char_type(n, space)
   Call: (257) [system] arg(_1190280, v('(', ')', end_of_file), n)
   Call: (256) [system] ')'==n
   Call: (256) [system] get_char((0x56051b6b4f40), n)
   Exit: (256) [system] get_char((0x56051b6b4f40), n)
   Call: (256) [system] n=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1194850)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1195784)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (257) [user] is_delimiter(' ')
   Call: (258) [system] char_type(' ', space)
   Exit: (258) [system] char_type(' ', space)
^  Exit: (257) [user] is_delimiter(' ')
   Call: (257) [system] _1194850=[]
   Exit: (257) [system] []=[]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (256) [system] _1185554=[n]
   Exit: (256) [system] [n]=[n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (255) [system] _1176258=[o, n]
   Exit: (255) [system] [o, n]=[o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (254) [system] _1166962=[i, o, n]
   Exit: (254) [system] [i, o, n]=[i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (253) [system] _1157666=[t, i, o, n]
   Exit: (253) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (252) [system] _1148370=[c, t, i, o, n]
   Exit: (252) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (251) [system] _1139074=[u, c, t, i, o, n]
   Exit: (251) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (250) [system] _1129778=[d, u, c, t, i, o, n]
   Exit: (250) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (249) [system] _1120482=[o, d, u, c, t, i, o, n]
   Exit: (249) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (248) [system] _1111186=[r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _1101890=[t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _1092594=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1083298=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1074002=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1064706=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1055410=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1046114=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1036818=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1027522=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1018226=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1008930=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _999634=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _990338=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (234) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _969794)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1266562, _1266564), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _969794), _1266538, fail)), '$restore_trace'(_1266562, _1266564))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1266562, _1266564))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _969794), _1266538, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_969794)
   Call: (235) [system] atom_chars(_969794, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (235) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (234) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1275014)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1276872)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1283682)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1286386)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(;)
^  Call: (235) [user] is_like_space(c)
   Call: (236) [system] char_type(c, 'white')
   Call: (236) [system] char_type(c, end_of_line)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] char_type(c, cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1295778)
   Exit: (233) [system] peek_char((0x56051b6b4f40), c)
   Call: (233) [system] c=')'
   Call: (233) [system] c=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1299492)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1301350)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(;)
^  Call: (235) [user] is_like_space(c)
   Call: (236) [system] char_type(c, 'white')
   Call: (236) [system] char_type(c, end_of_line)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] char_type(c, cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1309818)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c='('
   Call: (234) [system] c='['
   Call: (234) [system] c='{'
   Call: (234) [system] c='"'
   Call: (234) [system] c=!
   Call: (234) [system] c='\''
   Call: (234) [system] c='`'
   Call: (234) [system] c=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), c, _1299492)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1320036)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1320970)
   Exit: (236) [system] peek_char((0x56051b6b4f40), d)
^  Call: (236) [user] is_delimiter(d)
   Call: (237) [system] char_type(d, space)
   Call: (237) [system] arg(_1324762, v('(', ')', end_of_file), d)
   Call: (236) [system] ')'==d
   Call: (236) [system] get_char((0x56051b6b4f40), d)
   Exit: (236) [system] get_char((0x56051b6b4f40), d)
   Call: (236) [system] d=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1329332)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1330266)
   Exit: (237) [system] peek_char((0x56051b6b4f40), e)
^  Call: (237) [user] is_delimiter(e)
   Call: (238) [system] char_type(e, space)
   Call: (238) [system] arg(_1334058, v('(', ')', end_of_file), e)
   Call: (237) [system] ')'==e
   Call: (237) [system] get_char((0x56051b6b4f40), e)
   Exit: (237) [system] get_char((0x56051b6b4f40), e)
   Call: (237) [system] e=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1338628)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1339562)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1338628=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _1329332=[e]
   Exit: (237) [system] [e]=[e]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (236) [system] _1320036=[d, e]
   Exit: (236) [system] [d, e]=[d, e]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (235) [user] classify_and_convert_charseq(c, [d, e], _1299492)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1354460, _1354462), once(user:catch(read_from_chars([c, d, e], _1299492), _1354436, fail)), '$restore_trace'(_1354460, _1354462))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1354460, _1354462))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1354436, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(cde)
   Exit: (236) [system] atomic(cde)
^  Exit: (235) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1361960)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1363818)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _1370628)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1373332)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(;)
^  Call: (236) [user] is_like_space(c)
   Call: (237) [system] char_type(c, 'white')
   Call: (237) [system] char_type(c, end_of_line)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] char_type(c, cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1382724)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
   Call: (234) [system] c=')'
   Call: (234) [system] c=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1386438)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1388296)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(;)
^  Call: (236) [user] is_like_space(c)
   Call: (237) [system] char_type(c, 'white')
   Call: (237) [system] char_type(c, end_of_line)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] char_type(c, cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1396764)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c='('
   Call: (235) [system] c='['
   Call: (235) [system] c='{'
   Call: (235) [system] c='"'
   Call: (235) [system] c=!
   Call: (235) [system] c='\''
   Call: (235) [system] c='`'
   Call: (235) [system] c=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), c, _1386438)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1406982)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1407916)
   Exit: (237) [system] peek_char((0x56051b6b4f40), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_1411708, v('(', ')', end_of_file), d)
   Call: (237) [system] ')'==d
   Call: (237) [system] get_char((0x56051b6b4f40), d)
   Exit: (237) [system] get_char((0x56051b6b4f40), d)
   Call: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1416278)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1417212)
   Exit: (238) [system] peek_char((0x56051b6b4f40), e)
^  Call: (238) [user] is_delimiter(e)
   Call: (239) [system] char_type(e, space)
   Call: (239) [system] arg(_1421004, v('(', ')', end_of_file), e)
   Call: (238) [system] ')'==e
   Call: (238) [system] get_char((0x56051b6b4f40), e)
   Exit: (238) [system] get_char((0x56051b6b4f40), e)
   Call: (238) [system] e=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1425574)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1426508)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (239) [user] is_delimiter(')')
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] arg(_1430300, v('(', ')', end_of_file), ')')
   Exit: (240) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (239) [user] is_delimiter(')')
   Call: (239) [system] _1425574=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _1416278=[e]
   Exit: (238) [system] [e]=[e]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (237) [system] _1406982=[d, e]
   Exit: (237) [system] [d, e]=[d, e]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (236) [user] classify_and_convert_charseq(c, [d, e], _1386438)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1442350, _1442352), once(user:catch(read_from_chars([c, d, e], _1386438), _1442326, fail)), '$restore_trace'(_1442350, _1442352))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1442350, _1442352))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1442326, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(cde)
   Exit: (237) [system] atomic(cde)
^  Exit: (236) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1449850)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1451708)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1460176)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x56051b6b4f40), _1463966)
   Exit: (235) [system] get_char((0x56051b6b4f40), ')')
   Call: (235) [system] _1449850=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (234) [system] _1361960=[cde]
   Exit: (234) [system] [cde]=[cde]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (233) [system] _1275014=[cde, cde]
   Exit: (233) [system] [cde, cde]=[cde, cde]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [cde, cde])
   Call: (232) [system] _941716=['ConjunctionIntroduction', cde, cde]
   Exit: (232) [system] ['ConjunctionIntroduction', cde, cde]=['ConjunctionIntroduction', cde, cde]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, cde])
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, cde])
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1477848)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1479706)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1488174)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _1491964)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _1477848=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _917238=[['ConjunctionIntroduction', cde, cde]]
   Exit: (230) [system] [['ConjunctionIntroduction', cde, cde]]=[['ConjunctionIntroduction', cde, cde]]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', cde, cde]])
   Call: (229) [system] _830292=[abc, ['ConjunctionIntroduction', cde, cde]]
   Exit: (229) [system] [abc, ['ConjunctionIntroduction', cde, cde]]=[abc, ['ConjunctionIntroduction', cde, cde]]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', cde, cde]])
   Call: (228) [system] _496994=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]]
   Exit: (228) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1505846)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1507704)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1514514)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1517218)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1526610)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1530324)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1532182)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1540650)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1530324)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1546220)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (230) [system] 'O'=(;)
^  Call: (230) [user] is_like_space('O')
   Call: (231) [system] char_type('O', 'white')
   Call: (231) [system] char_type('O', end_of_line)
   Call: (231) [system] char_type('O', space)
   Call: (231) [system] char_type('O', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1554688)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (229) [system] 'O'=')'
   Call: (229) [system] 'O'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1558402)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1560260)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (231) [system] 'O'=(;)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1568728)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'O')
   Call: (230) [system] 'O'='('
   Call: (230) [system] 'O'='['
   Call: (230) [system] 'O'='{'
   Call: (230) [system] 'O'='"'
   Call: (230) [system] 'O'=!
   Call: (230) [system] 'O'='\''
   Call: (230) [system] 'O'='`'
   Call: (230) [system] 'O'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1558402)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1578946)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1579880)
   Exit: (232) [system] peek_char((0x56051b6b4f40), r)
^  Call: (232) [user] is_delimiter(r)
   Call: (233) [system] char_type(r, space)
   Call: (233) [system] arg(_1583672, v('(', ')', end_of_file), r)
   Call: (232) [system] ')'==r
   Call: (232) [system] get_char((0x56051b6b4f40), r)
   Exit: (232) [system] get_char((0x56051b6b4f40), r)
   Call: (232) [system] r=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1588242)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1589176)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (233) [user] is_delimiter('L')
   Call: (234) [system] char_type('L', space)
   Call: (234) [system] arg(_1592968, v('(', ')', end_of_file), 'L')
   Call: (233) [system] ')'=='L'
   Call: (233) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (233) [system] get_char((0x56051b6b4f40), 'L')
   Call: (233) [system] 'L'=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1597538)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1598472)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1602264, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1606834)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1607768)
   Exit: (235) [system] peek_char((0x56051b6b4f40), n)
^  Call: (235) [user] is_delimiter(n)
   Call: (236) [system] char_type(n, space)
   Call: (236) [system] arg(_1611560, v('(', ')', end_of_file), n)
   Call: (235) [system] ')'==n
   Call: (235) [system] get_char((0x56051b6b4f40), n)
   Exit: (235) [system] get_char((0x56051b6b4f40), n)
   Call: (235) [system] n=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1616130)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1617064)
   Exit: (236) [system] peek_char((0x56051b6b4f40), k)
^  Call: (236) [user] is_delimiter(k)
   Call: (237) [system] char_type(k, space)
   Call: (237) [system] arg(_1620856, v('(', ')', end_of_file), k)
   Call: (236) [system] ')'==k
   Call: (236) [system] get_char((0x56051b6b4f40), k)
   Exit: (236) [system] get_char((0x56051b6b4f40), k)
   Call: (236) [system] k=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1625426)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1626360)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1625426=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1616130=[k]
   Exit: (236) [system] [k]=[k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (235) [system] _1606834=[n, k]
   Exit: (235) [system] [n, k]=[n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (234) [system] _1597538=[i, n, k]
   Exit: (234) [system] [i, n, k]=[i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (233) [system] _1588242=['L', i, n, k]
   Exit: (233) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (232) [system] _1578946=[r, 'L', i, n, k]
   Exit: (232) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (231) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1558402)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1649640, _1649642), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1558402), _1649616, fail)), '$restore_trace'(_1649640, _1649642))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1649640, _1649642))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1558402), _1649616, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_1558402)
   Call: (232) [system] atom_chars(_1558402, ['O', r, 'L', i, n, k])
   Exit: (232) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (231) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1658092)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1659950)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1666760)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1669464)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1678856)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1682570)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1684428)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1692896)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1682570)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1698466)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'=(;)
^  Call: (233) [user] is_like_space('I')
   Call: (234) [system] char_type('I', 'white')
   Call: (234) [system] char_type('I', end_of_line)
   Call: (234) [system] char_type('I', space)
   Call: (234) [system] char_type('I', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1706934)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (232) [system] 'I'=')'
   Call: (232) [system] 'I'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1710648)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1712506)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'=(;)
^  Call: (234) [user] is_like_space('I')
   Call: (235) [system] char_type('I', 'white')
   Call: (235) [system] char_type('I', end_of_line)
   Call: (235) [system] char_type('I', space)
   Call: (235) [system] char_type('I', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1720974)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'='('
   Call: (233) [system] 'I'='['
   Call: (233) [system] 'I'='{'
   Call: (233) [system] 'I'='"'
   Call: (233) [system] 'I'=!
   Call: (233) [system] 'I'='\''
   Call: (233) [system] 'I'='`'
   Call: (233) [system] 'I'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1710648)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1731192)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1732126)
   Exit: (235) [system] peek_char((0x56051b6b4f40), m)
^  Call: (235) [user] is_delimiter(m)
   Call: (236) [system] char_type(m, space)
   Call: (236) [system] arg(_1735918, v('(', ')', end_of_file), m)
   Call: (235) [system] ')'==m
   Call: (235) [system] get_char((0x56051b6b4f40), m)
   Exit: (235) [system] get_char((0x56051b6b4f40), m)
   Call: (235) [system] m=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1740488)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1741422)
   Exit: (236) [system] peek_char((0x56051b6b4f40), p)
^  Call: (236) [user] is_delimiter(p)
   Call: (237) [system] char_type(p, space)
   Call: (237) [system] arg(_1745214, v('(', ')', end_of_file), p)
   Call: (236) [system] ')'==p
   Call: (236) [system] get_char((0x56051b6b4f40), p)
   Exit: (236) [system] get_char((0x56051b6b4f40), p)
   Call: (236) [system] p=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1749784)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1750718)
   Exit: (237) [system] peek_char((0x56051b6b4f40), l)
^  Call: (237) [user] is_delimiter(l)
   Call: (238) [system] char_type(l, space)
   Call: (238) [system] arg(_1754510, v('(', ')', end_of_file), l)
   Call: (237) [system] ')'==l
   Call: (237) [system] get_char((0x56051b6b4f40), l)
   Exit: (237) [system] get_char((0x56051b6b4f40), l)
   Call: (237) [system] l=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1759080)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1760014)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1763806, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1768376)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1769310)
   Exit: (239) [system] peek_char((0x56051b6b4f40), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_1773102, v('(', ')', end_of_file), c)
   Call: (239) [system] ')'==c
   Call: (239) [system] get_char((0x56051b6b4f40), c)
   Exit: (239) [system] get_char((0x56051b6b4f40), c)
   Call: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1777672)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1778606)
   Exit: (240) [system] peek_char((0x56051b6b4f40), a)
^  Call: (240) [user] is_delimiter(a)
   Call: (241) [system] char_type(a, space)
   Call: (241) [system] arg(_1782398, v('(', ')', end_of_file), a)
   Call: (240) [system] ')'==a
   Call: (240) [system] get_char((0x56051b6b4f40), a)
   Exit: (240) [system] get_char((0x56051b6b4f40), a)
   Call: (240) [system] a=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1786968)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1787902)
   Exit: (241) [system] peek_char((0x56051b6b4f40), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1791694, v('(', ')', end_of_file), t)
   Call: (241) [system] ')'==t
   Call: (241) [system] get_char((0x56051b6b4f40), t)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1796264)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1797198)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1800990, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1805560)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1806494)
   Exit: (243) [system] peek_char((0x56051b6b4f40), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1810286, v('(', ')', end_of_file), o)
   Call: (243) [system] ')'==o
   Call: (243) [system] get_char((0x56051b6b4f40), o)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1814856)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1815790)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1819582, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1824152)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1825086)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _1824152=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (244) [system] _1814856=[n]
   Exit: (244) [system] [n]=[n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (243) [system] _1805560=[o, n]
   Exit: (243) [system] [o, n]=[o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (242) [system] _1796264=[i, o, n]
   Exit: (242) [system] [i, o, n]=[i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (241) [system] _1786968=[t, i, o, n]
   Exit: (241) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (240) [system] _1777672=[a, t, i, o, n]
   Exit: (240) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (239) [system] _1768376=[c, a, t, i, o, n]
   Exit: (239) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (238) [system] _1759080=[i, c, a, t, i, o, n]
   Exit: (238) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (237) [system] _1749784=[l, i, c, a, t, i, o, n]
   Exit: (237) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (236) [system] _1740488=[p, l, i, c, a, t, i, o, n]
   Exit: (236) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (235) [system] _1731192=[m, p, l, i, c, a, t, i, o, n]
   Exit: (235) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (234) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1710648)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1862336, _1862338), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1710648), _1862312, fail)), '$restore_trace'(_1862336, _1862338))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1862336, _1862338))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1710648), _1862312, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1710648)
   Call: (235) [system] atom_chars(_1710648, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (235) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (234) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1870788)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1872646)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1879456)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1882160)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1891552)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1895266)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1897124)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1905592)
   Exit: (234) [system] get_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1895266)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1911162)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=(;)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1919630)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=')'
   Call: (235) [system] 'A'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1923344)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1925202)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1933670)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'='('
   Call: (236) [system] 'A'='['
   Call: (236) [system] 'A'='{'
   Call: (236) [system] 'A'='"'
   Call: (236) [system] 'A'=!
   Call: (236) [system] 'A'='\''
   Call: (236) [system] 'A'='`'
   Call: (236) [system] 'A'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1923344)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1943888)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1944822)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1948614, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1953184)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1954118)
   Exit: (239) [system] peek_char((0x56051b6b4f40), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_1957910, v('(', ')', end_of_file), d)
   Call: (239) [system] ')'==d
   Call: (239) [system] get_char((0x56051b6b4f40), d)
   Exit: (239) [system] get_char((0x56051b6b4f40), d)
   Call: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1962480)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1963414)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (240) [user] is_delimiter('L')
   Call: (241) [system] char_type('L', space)
   Call: (241) [system] arg(_1967206, v('(', ')', end_of_file), 'L')
   Call: (240) [system] ')'=='L'
   Call: (240) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (240) [system] get_char((0x56051b6b4f40), 'L')
   Call: (240) [system] 'L'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1971776)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1972710)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1976502, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1981072)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1982006)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1985798, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1990368)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1991302)
   Exit: (243) [system] peek_char((0x56051b6b4f40), k)
^  Call: (243) [user] is_delimiter(k)
   Call: (244) [system] char_type(k, space)
   Call: (244) [system] arg(_1995094, v('(', ')', end_of_file), k)
   Call: (243) [system] ')'==k
   Call: (243) [system] get_char((0x56051b6b4f40), k)
   Exit: (243) [system] get_char((0x56051b6b4f40), k)
   Call: (243) [system] k=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1999664)
   Call: (244) [system] peek_char((0x56051b6b4f40), _2000598)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1999664=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (243) [system] _1990368=[k]
   Exit: (243) [system] [k]=[k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (242) [system] _1981072=[n, k]
   Exit: (242) [system] [n, k]=[n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (241) [system] _1971776=[i, n, k]
   Exit: (241) [system] [i, n, k]=[i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (240) [system] _1962480=['L', i, n, k]
   Exit: (240) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (239) [system] _1953184=[d, 'L', i, n, k]
   Exit: (239) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (238) [system] _1943888=[n, d, 'L', i, n, k]
   Exit: (238) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (237) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1923344)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_2026672, _2026674), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1923344), _2026648, fail)), '$restore_trace'(_2026672, _2026674))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_2026672, _2026674))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1923344), _2026648, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1923344)
   Call: (238) [system] atom_chars(_1923344, ['A', n, d, 'L', i, n, k])
   Exit: (238) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (237) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _2035124)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _2036982)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _2043792)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _2046496)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=(;)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _2055888)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=')'
   Call: (236) [system] 'A'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _2059602)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _2061460)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=(;)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _2069928)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'='('
   Call: (237) [system] 'A'='['
   Call: (237) [system] 'A'='{'
   Call: (237) [system] 'A'='"'
   Call: (237) [system] 'A'=!
   Call: (237) [system] 'A'='\''
   Call: (237) [system] 'A'='`'
   Call: (237) [system] 'A'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _2059602)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2080146)
   Call: (239) [system] peek_char((0x56051b6b4f40), _2081080)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _2080146=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq('A', [], _2059602)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_2090390, _2090392), once(user:catch(read_from_chars(['A'], _2059602), _2090366, fail)), '$restore_trace'(_2090390, _2090392))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_2090390, _2090392))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _2059602), _2090366, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_2059602)
   Call: (239) [system] atom_chars(_2059602, ['A'])
   Exit: (239) [system] atom_chars('A', ['A'])
^  Exit: (238) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _10414)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _12272)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _19082)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _21786)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (239) [system] 'B'=(;)
^  Call: (239) [user] is_like_space('B')
   Call: (240) [system] char_type('B', 'white')
   Call: (240) [system] char_type('B', end_of_line)
   Call: (240) [system] char_type('B', space)
   Call: (240) [system] char_type('B', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _31178)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (237) [system] 'B'=')'
   Call: (237) [system] 'B'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _34892)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _36750)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (239) [system] 'B'=(;)
^  Call: (239) [user] is_like_space('B')
   Call: (240) [system] char_type('B', 'white')
   Call: (240) [system] char_type('B', end_of_line)
   Call: (240) [system] char_type('B', space)
   Call: (240) [system] char_type('B', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _45218)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'='('
   Call: (238) [system] 'B'='['
   Call: (238) [system] 'B'='{'
   Call: (238) [system] 'B'='"'
   Call: (238) [system] 'B'=!
   Call: (238) [system] 'B'='\''
   Call: (238) [system] 'B'='`'
   Call: (238) [system] 'B'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _34892)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _55436)
   Call: (240) [system] peek_char((0x56051b6b4f40), _56370)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_60162, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _55436=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq('B', [], _34892)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_66624, _66626), once(user:catch(read_from_chars(['B'], _34892), _66600, fail)), '$restore_trace'(_66624, _66626))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_66624, _66626))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _34892), _66600, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_34892)
   Call: (240) [system] atom_chars(_34892, ['B'])
   Exit: (240) [system] atom_chars('B', ['B'])
^  Exit: (239) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _75076)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _76934)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _85402)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x56051b6b4f40), _89192)
   Exit: (238) [system] get_char((0x56051b6b4f40), ')')
   Call: (238) [system] _75076=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (237) [system] _10414=['B']
   Exit: (237) [system] ['B']=['B']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (236) [system] _8578=['A', 'B']
   Exit: (236) [system] ['A', 'B']=['A', 'B']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (235) [system] _8570=['AndLink', 'A', 'B']
   Exit: (235) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _103074)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _104932)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _111742)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _114446)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (236) [system] 'C'=(;)
^  Call: (236) [user] is_like_space('C')
   Call: (237) [system] char_type('C', 'white')
   Call: (237) [system] char_type('C', end_of_line)
   Call: (237) [system] char_type('C', space)
   Call: (237) [system] char_type('C', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _123838)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'=')'
   Call: (234) [system] 'C'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _127552)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _129410)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (236) [system] 'C'=(;)
^  Call: (236) [user] is_like_space('C')
   Call: (237) [system] char_type('C', 'white')
   Call: (237) [system] char_type('C', end_of_line)
   Call: (237) [system] char_type('C', space)
   Call: (237) [system] char_type('C', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _137878)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'='('
   Call: (235) [system] 'C'='['
   Call: (235) [system] 'C'='{'
   Call: (235) [system] 'C'='"'
   Call: (235) [system] 'C'=!
   Call: (235) [system] 'C'='\''
   Call: (235) [system] 'C'='`'
   Call: (235) [system] 'C'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _127552)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _148096)
   Call: (237) [system] peek_char((0x56051b6b4f40), _149030)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (237) [user] is_delimiter(')')
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] arg(_152822, v('(', ')', end_of_file), ')')
   Exit: (238) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (237) [user] is_delimiter(')')
   Call: (237) [system] _148096=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (236) [user] classify_and_convert_charseq('C', [], _127552)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_159284, _159286), once(user:catch(read_from_chars(['C'], _127552), _159260, fail)), '$restore_trace'(_159284, _159286))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_159284, _159286))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _127552), _159260, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_127552)
   Call: (237) [system] atom_chars(_127552, ['C'])
   Exit: (237) [system] atom_chars('C', ['C'])
^  Exit: (236) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _167736)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _169594)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _178062)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x56051b6b4f40), _181852)
   Exit: (235) [system] get_char((0x56051b6b4f40), ')')
   Call: (235) [system] _167736=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (234) [system] _103074=['C']
   Exit: (234) [system] ['C']=['C']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (233) [system] _8566=[['AndLink', 'A', 'B'], 'C']
   Exit: (233) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (232) [system] _8558=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (232) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _195734)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _197592)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _204402)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _207106)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _216498)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=')'
   Call: (231) [system] '('=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _220212)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _222070)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _230538)
   Exit: (232) [system] get_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('='('
   Exit: (232) [system] '('='('
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _220212)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _236108)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=(;)
^  Call: (234) [user] is_like_space('A')
   Call: (235) [system] char_type('A', 'white')
   Call: (235) [system] char_type('A', end_of_line)
   Call: (235) [system] char_type('A', space)
   Call: (235) [system] char_type('A', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _244576)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (233) [system] 'A'=')'
   Call: (233) [system] 'A'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _248290)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _250148)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _258616)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'='('
   Call: (234) [system] 'A'='['
   Call: (234) [system] 'A'='{'
   Call: (234) [system] 'A'='"'
   Call: (234) [system] 'A'=!
   Call: (234) [system] 'A'='\''
   Call: (234) [system] 'A'='`'
   Call: (234) [system] 'A'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _248290)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _268834)
   Call: (236) [system] peek_char((0x56051b6b4f40), _269768)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_273560, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _278130)
   Call: (237) [system] peek_char((0x56051b6b4f40), _279064)
   Exit: (237) [system] peek_char((0x56051b6b4f40), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_282856, v('(', ')', end_of_file), d)
   Call: (237) [system] ')'==d
   Call: (237) [system] get_char((0x56051b6b4f40), d)
   Exit: (237) [system] get_char((0x56051b6b4f40), d)
   Call: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _287426)
   Call: (238) [system] peek_char((0x56051b6b4f40), _288360)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (238) [user] is_delimiter('L')
   Call: (239) [system] char_type('L', space)
   Call: (239) [system] arg(_292152, v('(', ')', end_of_file), 'L')
   Call: (238) [system] ')'=='L'
   Call: (238) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (238) [system] get_char((0x56051b6b4f40), 'L')
   Call: (238) [system] 'L'=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _296722)
   Call: (239) [system] peek_char((0x56051b6b4f40), _297656)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_301448, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _306018)
   Call: (240) [system] peek_char((0x56051b6b4f40), _306952)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_310744, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _315314)
   Call: (241) [system] peek_char((0x56051b6b4f40), _316248)
   Exit: (241) [system] peek_char((0x56051b6b4f40), k)
^  Call: (241) [user] is_delimiter(k)
   Call: (242) [system] char_type(k, space)
   Call: (242) [system] arg(_320040, v('(', ')', end_of_file), k)
   Call: (241) [system] ')'==k
   Call: (241) [system] get_char((0x56051b6b4f40), k)
   Exit: (241) [system] get_char((0x56051b6b4f40), k)
   Call: (241) [system] k=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _324610)
   Call: (242) [system] peek_char((0x56051b6b4f40), _325544)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _324610=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (241) [system] _315314=[k]
   Exit: (241) [system] [k]=[k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (240) [system] _306018=[n, k]
   Exit: (240) [system] [n, k]=[n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (239) [system] _296722=[i, n, k]
   Exit: (239) [system] [i, n, k]=[i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (238) [system] _287426=['L', i, n, k]
   Exit: (238) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (237) [system] _278130=[d, 'L', i, n, k]
   Exit: (237) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (236) [system] _268834=[n, d, 'L', i, n, k]
   Exit: (236) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (235) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _248290)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_351618, _351620), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _248290), _351594, fail)), '$restore_trace'(_351618, _351620))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_351618, _351620))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _248290), _351594, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_248290)
   Call: (236) [system] atom_chars(_248290, ['A', n, d, 'L', i, n, k])
   Exit: (236) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (235) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _360070)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _361928)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _368738)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _371442)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _380834)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=')'
   Call: (234) [system] '('=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _384548)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _386406)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _394874)
   Exit: (235) [system] get_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('='('
   Exit: (235) [system] '('='('
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _384548)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _400444)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=(;)
^  Call: (237) [user] is_like_space('I')
   Call: (238) [system] char_type('I', 'white')
   Call: (238) [system] char_type('I', end_of_line)
   Call: (238) [system] char_type('I', space)
   Call: (238) [system] char_type('I', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _408912)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'=')'
   Call: (236) [system] 'I'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _412626)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _414484)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'=(;)
^  Call: (238) [user] is_like_space('I')
   Call: (239) [system] char_type('I', 'white')
   Call: (239) [system] char_type('I', end_of_line)
   Call: (239) [system] char_type('I', space)
   Call: (239) [system] char_type('I', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _422952)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'='('
   Call: (237) [system] 'I'='['
   Call: (237) [system] 'I'='{'
   Call: (237) [system] 'I'='"'
   Call: (237) [system] 'I'=!
   Call: (237) [system] 'I'='\''
   Call: (237) [system] 'I'='`'
   Call: (237) [system] 'I'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _412626)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _433170)
   Call: (239) [system] peek_char((0x56051b6b4f40), _434104)
   Exit: (239) [system] peek_char((0x56051b6b4f40), m)
^  Call: (239) [user] is_delimiter(m)
   Call: (240) [system] char_type(m, space)
   Call: (240) [system] arg(_437896, v('(', ')', end_of_file), m)
   Call: (239) [system] ')'==m
   Call: (239) [system] get_char((0x56051b6b4f40), m)
   Exit: (239) [system] get_char((0x56051b6b4f40), m)
   Call: (239) [system] m=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _442466)
   Call: (240) [system] peek_char((0x56051b6b4f40), _443400)
   Exit: (240) [system] peek_char((0x56051b6b4f40), p)
^  Call: (240) [user] is_delimiter(p)
   Call: (241) [system] char_type(p, space)
   Call: (241) [system] arg(_447192, v('(', ')', end_of_file), p)
   Call: (240) [system] ')'==p
   Call: (240) [system] get_char((0x56051b6b4f40), p)
   Exit: (240) [system] get_char((0x56051b6b4f40), p)
   Call: (240) [system] p=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _451762)
   Call: (241) [system] peek_char((0x56051b6b4f40), _452696)
   Exit: (241) [system] peek_char((0x56051b6b4f40), l)
^  Call: (241) [user] is_delimiter(l)
   Call: (242) [system] char_type(l, space)
   Call: (242) [system] arg(_456488, v('(', ')', end_of_file), l)
   Call: (241) [system] ')'==l
   Call: (241) [system] get_char((0x56051b6b4f40), l)
   Exit: (241) [system] get_char((0x56051b6b4f40), l)
   Call: (241) [system] l=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _461058)
   Call: (242) [system] peek_char((0x56051b6b4f40), _461992)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_465784, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _470354)
   Call: (243) [system] peek_char((0x56051b6b4f40), _471288)
   Exit: (243) [system] peek_char((0x56051b6b4f40), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_475080, v('(', ')', end_of_file), c)
   Call: (243) [system] ')'==c
   Call: (243) [system] get_char((0x56051b6b4f40), c)
   Exit: (243) [system] get_char((0x56051b6b4f40), c)
   Call: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _479650)
   Call: (244) [system] peek_char((0x56051b6b4f40), _480584)
   Exit: (244) [system] peek_char((0x56051b6b4f40), a)
^  Call: (244) [user] is_delimiter(a)
   Call: (245) [system] char_type(a, space)
   Call: (245) [system] arg(_484376, v('(', ')', end_of_file), a)
   Call: (244) [system] ')'==a
   Call: (244) [system] get_char((0x56051b6b4f40), a)
   Exit: (244) [system] get_char((0x56051b6b4f40), a)
   Call: (244) [system] a=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _488946)
   Call: (245) [system] peek_char((0x56051b6b4f40), _489880)
   Exit: (245) [system] peek_char((0x56051b6b4f40), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_493672, v('(', ')', end_of_file), t)
   Call: (245) [system] ')'==t
   Call: (245) [system] get_char((0x56051b6b4f40), t)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _498242)
   Call: (246) [system] peek_char((0x56051b6b4f40), _499176)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_502968, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _507538)
   Call: (247) [system] peek_char((0x56051b6b4f40), _508472)
   Exit: (247) [system] peek_char((0x56051b6b4f40), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_512264, v('(', ')', end_of_file), o)
   Call: (247) [system] ')'==o
   Call: (247) [system] get_char((0x56051b6b4f40), o)
   Exit: (247) [system] get_char((0x56051b6b4f40), o)
   Call: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _516834)
   Call: (248) [system] peek_char((0x56051b6b4f40), _517768)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_521560, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _526130)
   Call: (249) [system] peek_char((0x56051b6b4f40), _527064)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _526130=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (248) [system] _516834=[n]
   Exit: (248) [system] [n]=[n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (247) [system] _507538=[o, n]
   Exit: (247) [system] [o, n]=[o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (246) [system] _498242=[i, o, n]
   Exit: (246) [system] [i, o, n]=[i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (245) [system] _488946=[t, i, o, n]
   Exit: (245) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (244) [system] _479650=[a, t, i, o, n]
   Exit: (244) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (243) [system] _470354=[c, a, t, i, o, n]
   Exit: (243) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (242) [system] _461058=[i, c, a, t, i, o, n]
   Exit: (242) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (241) [system] _451762=[l, i, c, a, t, i, o, n]
   Exit: (241) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (240) [system] _442466=[p, l, i, c, a, t, i, o, n]
   Exit: (240) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (239) [system] _433170=[m, p, l, i, c, a, t, i, o, n]
   Exit: (239) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (238) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _412626)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_564314, _564316), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _412626), _564290, fail)), '$restore_trace'(_564314, _564316))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_564314, _564316))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _412626), _564290, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_412626)
   Call: (239) [system] atom_chars(_412626, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (239) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (238) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _572766)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _574624)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _581434)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _584138)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _593530)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=')'
   Call: (237) [system] '('=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _597244)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _599102)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _607570)
   Exit: (238) [system] get_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('='('
   Exit: (238) [system] '('='('
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _597244)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _613140)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (240) [system] 'O'=(;)
^  Call: (240) [user] is_like_space('O')
   Call: (241) [system] char_type('O', 'white')
   Call: (241) [system] char_type('O', end_of_line)
   Call: (241) [system] char_type('O', space)
   Call: (241) [system] char_type('O', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _621608)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (239) [system] 'O'=')'
   Call: (239) [system] 'O'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _625322)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _627180)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (241) [system] 'O'=(;)
^  Call: (241) [user] is_like_space('O')
   Call: (242) [system] char_type('O', 'white')
   Call: (242) [system] char_type('O', end_of_line)
   Call: (242) [system] char_type('O', space)
   Call: (242) [system] char_type('O', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _635648)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'O')
   Call: (240) [system] 'O'='('
   Call: (240) [system] 'O'='['
   Call: (240) [system] 'O'='{'
   Call: (240) [system] 'O'='"'
   Call: (240) [system] 'O'=!
   Call: (240) [system] 'O'='\''
   Call: (240) [system] 'O'='`'
   Call: (240) [system] 'O'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _625322)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _645866)
   Call: (242) [system] peek_char((0x56051b6b4f40), _646800)
   Exit: (242) [system] peek_char((0x56051b6b4f40), r)
^  Call: (242) [user] is_delimiter(r)
   Call: (243) [system] char_type(r, space)
   Call: (243) [system] arg(_650592, v('(', ')', end_of_file), r)
   Call: (242) [system] ')'==r
   Call: (242) [system] get_char((0x56051b6b4f40), r)
   Exit: (242) [system] get_char((0x56051b6b4f40), r)
   Call: (242) [system] r=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _655162)
   Call: (243) [system] peek_char((0x56051b6b4f40), _656096)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (243) [user] is_delimiter('L')
   Call: (244) [system] char_type('L', space)
   Call: (244) [system] arg(_659888, v('(', ')', end_of_file), 'L')
   Call: (243) [system] ')'=='L'
   Call: (243) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (243) [system] get_char((0x56051b6b4f40), 'L')
   Call: (243) [system] 'L'=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _664458)
   Call: (244) [system] peek_char((0x56051b6b4f40), _665392)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_669184, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _673754)
   Call: (245) [system] peek_char((0x56051b6b4f40), _674688)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_678480, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _683050)
   Call: (246) [system] peek_char((0x56051b6b4f40), _683984)
   Exit: (246) [system] peek_char((0x56051b6b4f40), k)
^  Call: (246) [user] is_delimiter(k)
   Call: (247) [system] char_type(k, space)
   Call: (247) [system] arg(_687776, v('(', ')', end_of_file), k)
   Call: (246) [system] ')'==k
   Call: (246) [system] get_char((0x56051b6b4f40), k)
   Exit: (246) [system] get_char((0x56051b6b4f40), k)
   Call: (246) [system] k=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _692346)
   Call: (247) [system] peek_char((0x56051b6b4f40), _693280)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _692346=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (246) [system] _683050=[k]
   Exit: (246) [system] [k]=[k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (245) [system] _673754=[n, k]
   Exit: (245) [system] [n, k]=[n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (244) [system] _664458=[i, n, k]
   Exit: (244) [system] [i, n, k]=[i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (243) [system] _655162=['L', i, n, k]
   Exit: (243) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (242) [system] _645866=[r, 'L', i, n, k]
   Exit: (242) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (241) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _625322)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_716560, _716562), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _625322), _716536, fail)), '$restore_trace'(_716560, _716562))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_716560, _716562))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _625322), _716536, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_625322)
   Call: (242) [system] atom_chars(_625322, ['O', r, 'L', i, n, k])
   Exit: (242) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (241) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _725012)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _726870)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _733680)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _736384)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (242) [system] 'C'=(;)
^  Call: (242) [user] is_like_space('C')
   Call: (243) [system] char_type('C', 'white')
   Call: (243) [system] char_type('C', end_of_line)
   Call: (243) [system] char_type('C', space)
   Call: (243) [system] char_type('C', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _745776)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (240) [system] 'C'=')'
   Call: (240) [system] 'C'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _749490)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _751348)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (242) [system] 'C'=(;)
^  Call: (242) [user] is_like_space('C')
   Call: (243) [system] char_type('C', 'white')
   Call: (243) [system] char_type('C', end_of_line)
   Call: (243) [system] char_type('C', space)
   Call: (243) [system] char_type('C', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _759816)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'C')
   Call: (241) [system] 'C'='('
   Call: (241) [system] 'C'='['
   Call: (241) [system] 'C'='{'
   Call: (241) [system] 'C'='"'
   Call: (241) [system] 'C'=!
   Call: (241) [system] 'C'='\''
   Call: (241) [system] 'C'='`'
   Call: (241) [system] 'C'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _749490)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _770034)
   Call: (243) [system] peek_char((0x56051b6b4f40), _770968)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _770034=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (242) [user] classify_and_convert_charseq('C', [], _749490)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_780278, _780280), once(user:catch(read_from_chars(['C'], _749490), _780254, fail)), '$restore_trace'(_780278, _780280))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_780278, _780280))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _749490), _780254, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_749490)
   Call: (243) [system] atom_chars(_749490, ['C'])
   Exit: (243) [system] atom_chars('C', ['C'])
^  Exit: (242) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _788730)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _790588)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _797398)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _800102)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'=(;)
^  Call: (243) [user] is_like_space('D')
   Call: (244) [system] char_type('D', 'white')
   Call: (244) [system] char_type('D', end_of_line)
   Call: (244) [system] char_type('D', space)
   Call: (244) [system] char_type('D', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _809494)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (241) [system] 'D'=')'
   Call: (241) [system] 'D'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _813208)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _815066)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'=(;)
^  Call: (243) [user] is_like_space('D')
   Call: (244) [system] char_type('D', 'white')
   Call: (244) [system] char_type('D', end_of_line)
   Call: (244) [system] char_type('D', space)
   Call: (244) [system] char_type('D', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _823534)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'D')
   Call: (242) [system] 'D'='('
   Call: (242) [system] 'D'='['
   Call: (242) [system] 'D'='{'
   Call: (242) [system] 'D'='"'
   Call: (242) [system] 'D'=!
   Call: (242) [system] 'D'='\''
   Call: (242) [system] 'D'='`'
   Call: (242) [system] 'D'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _813208)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _833752)
   Call: (244) [system] peek_char((0x56051b6b4f40), _834686)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (244) [user] is_delimiter(')')
   Call: (245) [system] char_type(')', space)
   Call: (245) [system] arg(_838478, v('(', ')', end_of_file), ')')
   Exit: (245) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (244) [user] is_delimiter(')')
   Call: (244) [system] _833752=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (243) [user] classify_and_convert_charseq('D', [], _813208)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_844940, _844942), once(user:catch(read_from_chars(['D'], _813208), _844916, fail)), '$restore_trace'(_844940, _844942))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_844940, _844942))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _813208), _844916, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_813208)
   Call: (244) [system] atom_chars(_813208, ['D'])
   Exit: (244) [system] atom_chars('D', ['D'])
^  Exit: (243) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _853392)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _855250)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=(;)
^  Call: (243) [user] is_like_space(')')
   Call: (244) [system] char_type(')', 'white')
   Call: (244) [system] char_type(')', end_of_line)
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] char_type(')', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _863718)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=')'
   Exit: (242) [system] ')'=')'
   Call: (242) [system] get_char((0x56051b6b4f40), _867508)
   Exit: (242) [system] get_char((0x56051b6b4f40), ')')
   Call: (242) [system] _853392=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (241) [system] _788730=['D']
   Exit: (241) [system] ['D']=['D']
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (240) [system] _725012=['C', 'D']
   Exit: (240) [system] ['C', 'D']=['C', 'D']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (239) [system] _597244=['OrLink', 'C', 'D']
   Exit: (239) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _881390)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _883248)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _890058)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _892762)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (240) [system] 'E'=(;)
^  Call: (240) [user] is_like_space('E')
   Call: (241) [system] char_type('E', 'white')
   Call: (241) [system] char_type('E', end_of_line)
   Call: (241) [system] char_type('E', space)
   Call: (241) [system] char_type('E', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _902154)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (238) [system] 'E'=')'
   Call: (238) [system] 'E'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _905868)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _907726)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (240) [system] 'E'=(;)
^  Call: (240) [user] is_like_space('E')
   Call: (241) [system] char_type('E', 'white')
   Call: (241) [system] char_type('E', end_of_line)
   Call: (241) [system] char_type('E', space)
   Call: (241) [system] char_type('E', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _916194)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'E')
   Call: (239) [system] 'E'='('
   Call: (239) [system] 'E'='['
   Call: (239) [system] 'E'='{'
   Call: (239) [system] 'E'='"'
   Call: (239) [system] 'E'=!
   Call: (239) [system] 'E'='\''
   Call: (239) [system] 'E'='`'
   Call: (239) [system] 'E'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _905868)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _926412)
   Call: (241) [system] peek_char((0x56051b6b4f40), _927346)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (241) [user] is_delimiter(')')
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] arg(_931138, v('(', ')', end_of_file), ')')
   Exit: (242) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (241) [user] is_delimiter(')')
   Call: (241) [system] _926412=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq('E', [], _905868)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_937600, _937602), once(user:catch(read_from_chars(['E'], _905868), _937576, fail)), '$restore_trace'(_937600, _937602))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_937600, _937602))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _905868), _937576, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_905868)
   Call: (241) [system] atom_chars(_905868, ['E'])
   Exit: (241) [system] atom_chars('E', ['E'])
^  Exit: (240) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _946052)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _947910)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=(;)
^  Call: (240) [user] is_like_space(')')
   Call: (241) [system] char_type(')', 'white')
   Call: (241) [system] char_type(')', end_of_line)
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] char_type(')', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _956378)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=')'
   Exit: (239) [system] ')'=')'
   Call: (239) [system] get_char((0x56051b6b4f40), _960168)
   Exit: (239) [system] get_char((0x56051b6b4f40), ')')
   Call: (239) [system] _946052=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (238) [system] _881390=['E']
   Exit: (238) [system] ['E']=['E']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (237) [system] _572766=[['OrLink', 'C', 'D'], 'E']
   Exit: (237) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (236) [system] _384548=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (236) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _974050)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _975908)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _982718)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _985422)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _994814)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=')'
   Call: (235) [system] '('=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _998528)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1000386)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1008854)
   Exit: (236) [system] get_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('='('
   Exit: (236) [system] '('='('
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _998528)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1014424)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'=(;)
^  Call: (238) [user] is_like_space('I')
   Call: (239) [system] char_type('I', 'white')
   Call: (239) [system] char_type('I', end_of_line)
   Call: (239) [system] char_type('I', space)
   Call: (239) [system] char_type('I', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1022892)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=')'
   Call: (237) [system] 'I'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1026606)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1028464)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (239) [system] 'I'=(;)
^  Call: (239) [user] is_like_space('I')
   Call: (240) [system] char_type('I', 'white')
   Call: (240) [system] char_type('I', end_of_line)
   Call: (240) [system] char_type('I', space)
   Call: (240) [system] char_type('I', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1036932)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'='('
   Call: (238) [system] 'I'='['
   Call: (238) [system] 'I'='{'
   Call: (238) [system] 'I'='"'
   Call: (238) [system] 'I'=!
   Call: (238) [system] 'I'='\''
   Call: (238) [system] 'I'='`'
   Call: (238) [system] 'I'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1026606)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1047150)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1048084)
   Exit: (240) [system] peek_char((0x56051b6b4f40), m)
^  Call: (240) [user] is_delimiter(m)
   Call: (241) [system] char_type(m, space)
   Call: (241) [system] arg(_1051876, v('(', ')', end_of_file), m)
   Call: (240) [system] ')'==m
   Call: (240) [system] get_char((0x56051b6b4f40), m)
   Exit: (240) [system] get_char((0x56051b6b4f40), m)
   Call: (240) [system] m=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1056446)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1057380)
   Exit: (241) [system] peek_char((0x56051b6b4f40), p)
^  Call: (241) [user] is_delimiter(p)
   Call: (242) [system] char_type(p, space)
   Call: (242) [system] arg(_1061172, v('(', ')', end_of_file), p)
   Call: (241) [system] ')'==p
   Call: (241) [system] get_char((0x56051b6b4f40), p)
   Exit: (241) [system] get_char((0x56051b6b4f40), p)
   Call: (241) [system] p=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1065742)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1066676)
   Exit: (242) [system] peek_char((0x56051b6b4f40), l)
^  Call: (242) [user] is_delimiter(l)
   Call: (243) [system] char_type(l, space)
   Call: (243) [system] arg(_1070468, v('(', ')', end_of_file), l)
   Call: (242) [system] ')'==l
   Call: (242) [system] get_char((0x56051b6b4f40), l)
   Exit: (242) [system] get_char((0x56051b6b4f40), l)
   Call: (242) [system] l=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1075038)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1075972)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1079764, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1084334)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1085268)
   Exit: (244) [system] peek_char((0x56051b6b4f40), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_1089060, v('(', ')', end_of_file), c)
   Call: (244) [system] ')'==c
   Call: (244) [system] get_char((0x56051b6b4f40), c)
   Exit: (244) [system] get_char((0x56051b6b4f40), c)
   Call: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1093630)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1094564)
   Exit: (245) [system] peek_char((0x56051b6b4f40), a)
^  Call: (245) [user] is_delimiter(a)
   Call: (246) [system] char_type(a, space)
   Call: (246) [system] arg(_1098356, v('(', ')', end_of_file), a)
   Call: (245) [system] ')'==a
   Call: (245) [system] get_char((0x56051b6b4f40), a)
   Exit: (245) [system] get_char((0x56051b6b4f40), a)
   Call: (245) [system] a=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1102926)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1103860)
   Exit: (246) [system] peek_char((0x56051b6b4f40), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_1107652, v('(', ')', end_of_file), t)
   Call: (246) [system] ')'==t
   Call: (246) [system] get_char((0x56051b6b4f40), t)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1112222)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1113156)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_1116948, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1121518)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1122452)
   Exit: (248) [system] peek_char((0x56051b6b4f40), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_1126244, v('(', ')', end_of_file), o)
   Call: (248) [system] ')'==o
   Call: (248) [system] get_char((0x56051b6b4f40), o)
   Exit: (248) [system] get_char((0x56051b6b4f40), o)
   Call: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1130814)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1131748)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_1135540, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1140110)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1141044)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _1140110=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (249) [system] _1130814=[n]
   Exit: (249) [system] [n]=[n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (248) [system] _1121518=[o, n]
   Exit: (248) [system] [o, n]=[o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (247) [system] _1112222=[i, o, n]
   Exit: (247) [system] [i, o, n]=[i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (246) [system] _1102926=[t, i, o, n]
   Exit: (246) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (245) [system] _1093630=[a, t, i, o, n]
   Exit: (245) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (244) [system] _1084334=[c, a, t, i, o, n]
   Exit: (244) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (243) [system] _1075038=[i, c, a, t, i, o, n]
   Exit: (243) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (242) [system] _1065742=[l, i, c, a, t, i, o, n]
   Exit: (242) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (241) [system] _1056446=[p, l, i, c, a, t, i, o, n]
   Exit: (241) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (240) [system] _1047150=[m, p, l, i, c, a, t, i, o, n]
   Exit: (240) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (239) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1026606)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1178294, _1178296), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1026606), _1178270, fail)), '$restore_trace'(_1178294, _1178296))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1178294, _1178296))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1026606), _1178270, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1026606)
   Call: (240) [system] atom_chars(_1026606, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (240) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (239) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1186746)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1188604)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _1195414)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1198118)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1207510)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=')'
   Call: (238) [system] '('=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1211224)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1213082)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1221550)
   Exit: (239) [system] get_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('='('
   Exit: (239) [system] '('='('
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1211224)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1227120)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (241) [system] 'O'=(;)
^  Call: (241) [user] is_like_space('O')
   Call: (242) [system] char_type('O', 'white')
   Call: (242) [system] char_type('O', end_of_line)
   Call: (242) [system] char_type('O', space)
   Call: (242) [system] char_type('O', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1235588)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (240) [system] 'O'=')'
   Call: (240) [system] 'O'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _1239302)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1241160)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (242) [system] 'O'=(;)
^  Call: (242) [user] is_like_space('O')
   Call: (243) [system] char_type('O', 'white')
   Call: (243) [system] char_type('O', end_of_line)
   Call: (243) [system] char_type('O', space)
   Call: (243) [system] char_type('O', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _1249628)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'O')
   Call: (241) [system] 'O'='('
   Call: (241) [system] 'O'='['
   Call: (241) [system] 'O'='{'
   Call: (241) [system] 'O'='"'
   Call: (241) [system] 'O'=!
   Call: (241) [system] 'O'='\''
   Call: (241) [system] 'O'='`'
   Call: (241) [system] 'O'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1239302)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1259846)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1260780)
   Exit: (243) [system] peek_char((0x56051b6b4f40), r)
^  Call: (243) [user] is_delimiter(r)
   Call: (244) [system] char_type(r, space)
   Call: (244) [system] arg(_1264572, v('(', ')', end_of_file), r)
   Call: (243) [system] ')'==r
   Call: (243) [system] get_char((0x56051b6b4f40), r)
   Exit: (243) [system] get_char((0x56051b6b4f40), r)
   Call: (243) [system] r=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1269142)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1270076)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (244) [user] is_delimiter('L')
   Call: (245) [system] char_type('L', space)
   Call: (245) [system] arg(_1273868, v('(', ')', end_of_file), 'L')
   Call: (244) [system] ')'=='L'
   Call: (244) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (244) [system] get_char((0x56051b6b4f40), 'L')
   Call: (244) [system] 'L'=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1278438)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1279372)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_1283164, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1287734)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1288668)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1292460, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1297030)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1297964)
   Exit: (247) [system] peek_char((0x56051b6b4f40), k)
^  Call: (247) [user] is_delimiter(k)
   Call: (248) [system] char_type(k, space)
   Call: (248) [system] arg(_1301756, v('(', ')', end_of_file), k)
   Call: (247) [system] ')'==k
   Call: (247) [system] get_char((0x56051b6b4f40), k)
   Exit: (247) [system] get_char((0x56051b6b4f40), k)
   Call: (247) [system] k=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1306326)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1307260)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1306326=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _1297030=[k]
   Exit: (247) [system] [k]=[k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (246) [system] _1287734=[n, k]
   Exit: (246) [system] [n, k]=[n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (245) [system] _1278438=[i, n, k]
   Exit: (245) [system] [i, n, k]=[i, n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (244) [system] _1269142=['L', i, n, k]
   Exit: (244) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (243) [system] _1259846=[r, 'L', i, n, k]
   Exit: (243) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (242) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1239302)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_1330540, _1330542), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1239302), _1330516, fail)), '$restore_trace'(_1330540, _1330542))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_1330540, _1330542))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1239302), _1330516, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_1239302)
   Call: (243) [system] atom_chars(_1239302, ['O', r, 'L', i, n, k])
   Exit: (243) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (242) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _1338992)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1340850)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _1347660)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1350364)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (243) [system] 'C'=(;)
^  Call: (243) [user] is_like_space('C')
   Call: (244) [system] char_type('C', 'white')
   Call: (244) [system] char_type('C', end_of_line)
   Call: (244) [system] char_type('C', space)
   Call: (244) [system] char_type('C', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1359756)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (241) [system] 'C'=')'
   Call: (241) [system] 'C'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _1363470)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1365328)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (243) [system] 'C'=(;)
^  Call: (243) [user] is_like_space('C')
   Call: (244) [system] char_type('C', 'white')
   Call: (244) [system] char_type('C', end_of_line)
   Call: (244) [system] char_type('C', space)
   Call: (244) [system] char_type('C', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _1373796)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'C')
   Call: (242) [system] 'C'='('
   Call: (242) [system] 'C'='['
   Call: (242) [system] 'C'='{'
   Call: (242) [system] 'C'='"'
   Call: (242) [system] 'C'=!
   Call: (242) [system] 'C'='\''
   Call: (242) [system] 'C'='`'
   Call: (242) [system] 'C'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1363470)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1384014)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1384948)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1384014=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (243) [user] classify_and_convert_charseq('C', [], _1363470)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_1394258, _1394260), once(user:catch(read_from_chars(['C'], _1363470), _1394234, fail)), '$restore_trace'(_1394258, _1394260))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_1394258, _1394260))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1363470), _1394234, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_1363470)
   Call: (244) [system] atom_chars(_1363470, ['C'])
   Exit: (244) [system] atom_chars('C', ['C'])
^  Exit: (243) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _1402710)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1404568)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _1411378)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1414082)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'=(;)
^  Call: (244) [user] is_like_space('D')
   Call: (245) [system] char_type('D', 'white')
   Call: (245) [system] char_type('D', end_of_line)
   Call: (245) [system] char_type('D', space)
   Call: (245) [system] char_type('D', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1423474)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (242) [system] 'D'=')'
   Call: (242) [system] 'D'=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _1427188)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1429046)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'=(;)
^  Call: (244) [user] is_like_space('D')
   Call: (245) [system] char_type('D', 'white')
   Call: (245) [system] char_type('D', end_of_line)
   Call: (245) [system] char_type('D', space)
   Call: (245) [system] char_type('D', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _1437514)
   Exit: (243) [system] get_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'='('
   Call: (243) [system] 'D'='['
   Call: (243) [system] 'D'='{'
   Call: (243) [system] 'D'='"'
   Call: (243) [system] 'D'=!
   Call: (243) [system] 'D'='\''
   Call: (243) [system] 'D'='`'
   Call: (243) [system] 'D'=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1427188)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1447732)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1448666)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (245) [user] is_delimiter(')')
   Call: (246) [system] char_type(')', space)
   Call: (246) [system] arg(_1452458, v('(', ')', end_of_file), ')')
   Exit: (246) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (245) [user] is_delimiter(')')
   Call: (245) [system] _1447732=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (244) [user] classify_and_convert_charseq('D', [], _1427188)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_1458920, _1458922), once(user:catch(read_from_chars(['D'], _1427188), _1458896, fail)), '$restore_trace'(_1458920, _1458922))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_1458920, _1458922))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1427188), _1458896, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(_1427188)
   Call: (245) [system] atom_chars(_1427188, ['D'])
   Exit: (245) [system] atom_chars('D', ['D'])
^  Exit: (244) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1467372)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1469230)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=(;)
^  Call: (244) [user] is_like_space(')')
   Call: (245) [system] char_type(')', 'white')
   Call: (245) [system] char_type(')', end_of_line)
   Call: (245) [system] char_type(')', space)
   Call: (245) [system] char_type(')', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1477698)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=')'
   Exit: (243) [system] ')'=')'
   Call: (243) [system] get_char((0x56051b6b4f40), _1481488)
   Exit: (243) [system] get_char((0x56051b6b4f40), ')')
   Call: (243) [system] _1467372=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (242) [system] _1402710=['D']
   Exit: (242) [system] ['D']=['D']
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (241) [system] _1338992=['C', 'D']
   Exit: (241) [system] ['C', 'D']=['C', 'D']
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (240) [system] _1211224=['OrLink', 'C', 'D']
   Exit: (240) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1495370)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1497228)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _1504038)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1506742)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (241) [system] 'E'=(;)
^  Call: (241) [user] is_like_space('E')
   Call: (242) [system] char_type('E', 'white')
   Call: (242) [system] char_type('E', end_of_line)
   Call: (242) [system] char_type('E', space)
   Call: (242) [system] char_type('E', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1516134)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (239) [system] 'E'=')'
   Call: (239) [system] 'E'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _1519848)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1521706)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (241) [system] 'E'=(;)
^  Call: (241) [user] is_like_space('E')
   Call: (242) [system] char_type('E', 'white')
   Call: (242) [system] char_type('E', end_of_line)
   Call: (242) [system] char_type('E', space)
   Call: (242) [system] char_type('E', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _1530174)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'E')
   Call: (240) [system] 'E'='('
   Call: (240) [system] 'E'='['
   Call: (240) [system] 'E'='{'
   Call: (240) [system] 'E'='"'
   Call: (240) [system] 'E'=!
   Call: (240) [system] 'E'='\''
   Call: (240) [system] 'E'='`'
   Call: (240) [system] 'E'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1519848)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1540392)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1541326)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (242) [user] is_delimiter(')')
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] arg(_1545118, v('(', ')', end_of_file), ')')
   Exit: (243) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (242) [user] is_delimiter(')')
   Call: (242) [system] _1540392=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq('E', [], _1519848)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_1551580, _1551582), once(user:catch(read_from_chars(['E'], _1519848), _1551556, fail)), '$restore_trace'(_1551580, _1551582))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_1551580, _1551582))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1519848), _1551556, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_1519848)
   Call: (242) [system] atom_chars(_1519848, ['E'])
   Exit: (242) [system] atom_chars('E', ['E'])
^  Exit: (241) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1560032)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1561890)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=(;)
^  Call: (241) [user] is_like_space(')')
   Call: (242) [system] char_type(')', 'white')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] char_type(')', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1570358)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=')'
   Exit: (240) [system] ')'=')'
   Call: (240) [system] get_char((0x56051b6b4f40), _1574148)
   Exit: (240) [system] get_char((0x56051b6b4f40), ')')
   Call: (240) [system] _1560032=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (239) [system] _1495370=['E']
   Exit: (239) [system] ['E']=['E']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (238) [system] _1186746=[['OrLink', 'C', 'D'], 'E']
   Exit: (238) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (237) [system] _998528=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (237) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1588030)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1589888)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=(;)
^  Call: (237) [user] is_like_space(')')
   Call: (238) [system] char_type(')', 'white')
   Call: (238) [system] char_type(')', end_of_line)
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] char_type(')', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1598356)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=')'
   Exit: (236) [system] ')'=')'
   Call: (236) [system] get_char((0x56051b6b4f40), _1602146)
   Exit: (236) [system] get_char((0x56051b6b4f40), ')')
   Call: (236) [system] _1588030=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (235) [system] _974050=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (235) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (234) [system] _360070=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (234) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (233) [system] _220212=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (233) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1616028)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1617886)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1626354)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _1630144)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _1616028=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _195734=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (231) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (230) [system] _8554=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (230) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (229) [system] _8546=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (229) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1644026)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1645884)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=(;)
^  Call: (229) [user] is_like_space(')')
   Call: (230) [system] char_type(')', 'white')
   Call: (230) [system] char_type(')', end_of_line)
   Call: (230) [system] char_type(')', space)
   Call: (230) [system] char_type(')', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1654352)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ')')
   Call: (228) [system] ')'=')'
   Exit: (228) [system] ')'=')'
   Call: (228) [system] get_char((0x56051b6b4f40), _1658142)
   Exit: (228) [system] get_char((0x56051b6b4f40), ')')
   Call: (228) [system] _1644026=[]
   Exit: (228) [system] []=[]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (227) [system] _8542=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (227) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (226) [system] _8500=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (226) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (225) [system] _8492=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (225) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (224) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (223) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (223) [user] read_list(')', (0x56051b6b4f40), _1672024)
^  Call: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _1673882)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (225) [system] '\n'=(;)
^  Call: (225) [user] is_like_space('\n')
   Call: (226) [system] char_type('\n', 'white')
   Call: (226) [system] char_type('\n', end_of_line)
   Exit: (226) [system] char_type('\n', end_of_line)
^  Exit: (225) [user] is_like_space('\n')
   Call: (225) [system] get_char((0x56051b6b4f40), _1681498)
   Exit: (225) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1684202)
   Exit: (226) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (226) [system] ' '=(;)
^  Call: (226) [user] is_like_space(' ')
   Call: (227) [system] char_type(' ', 'white')
   Exit: (227) [system] char_type(' ', 'white')
^  Exit: (226) [user] is_like_space(' ')
   Call: (226) [system] get_char((0x56051b6b4f40), _1691012)
   Exit: (226) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1693716)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (224) [user] skip_spaces((0x56051b6b4f40))
   Call: (224) [system] peek_char((0x56051b6b4f40), _1704032)
   Exit: (224) [system] peek_char((0x56051b6b4f40), '(')
   Call: (224) [system] '('=')'
   Call: (224) [system] '('=end_of_file
^  Call: (224) [user] cont_sexpr(')', (0x56051b6b4f40), _1707746)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1709604)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=(;)
^  Call: (226) [user] is_like_space('(')
   Call: (227) [system] char_type('(', 'white')
   Call: (227) [system] char_type('(', end_of_line)
   Call: (227) [system] char_type('(', space)
   Call: (227) [system] char_type('(', cntrl)
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] get_char((0x56051b6b4f40), _1718072)
   Exit: (225) [system] get_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('='('
   Exit: (225) [system] '('='('
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1707746)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1723642)
   Exit: (227) [system] peek_char((0x56051b6b4f40), :)
   Call: (227) [system] (:)=(;)
^  Call: (227) [user] is_like_space(:)
   Call: (228) [system] char_type(:, 'white')
   Call: (228) [system] char_type(:, end_of_line)
   Call: (228) [system] char_type(:, space)
   Call: (228) [system] char_type(:, cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1732110)
   Exit: (226) [system] peek_char((0x56051b6b4f40), :)
   Call: (226) [system] (:)=')'
   Call: (226) [system] (:)=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1735824)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1737682)
   Exit: (228) [system] peek_char((0x56051b6b4f40), :)
   Call: (228) [system] (:)=(;)
^  Call: (228) [user] is_like_space(:)
   Call: (229) [system] char_type(:, 'white')
   Call: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] char_type(:, space)
   Call: (229) [system] char_type(:, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1746150)
   Exit: (227) [system] get_char((0x56051b6b4f40), :)
   Call: (227) [system] (:)='('
   Call: (227) [system] (:)='['
   Call: (227) [system] (:)='{'
   Call: (227) [system] (:)='"'
   Call: (227) [system] (:)=!
   Call: (227) [system] (:)='\''
   Call: (227) [system] (:)='`'
   Call: (227) [system] (:)=end_of_file
^  Call: (227) [user] read_symbolic(')', (0x56051b6b4f40), :, _1735824)
^  Call: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1756368)
   Call: (229) [system] peek_char((0x56051b6b4f40), _1757302)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] is_delimiter(' ')
   Call: (230) [system] char_type(' ', space)
   Exit: (230) [system] char_type(' ', space)
^  Exit: (229) [user] is_delimiter(' ')
   Call: (229) [system] _1756368=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (228) [user] classify_and_convert_charseq(:, [], _1735824)
^  Call: (230) [system] setup_call_cleanup('$notrace'(_1766612, _1766614), once(user:catch(read_from_chars([:], _1735824), _1766588, fail)), '$restore_trace'(_1766612, _1766614))
^  Call: (231) [system] sig_atomic(system:'$notrace'(_1766612, _1766614))
^  Exit: (230) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1766588, fail)), system:'$restore_trace'(3, -1))
   Call: (229) [system] atomic(:)
   Exit: (229) [system] atomic(:)
^  Exit: (228) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (227) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1774112)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1775970)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1782780)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1785484)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1794876)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1798590)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1800448)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1808916)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1798590)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1814486)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'=(;)
^  Call: (230) [user] is_like_space('D')
   Call: (231) [system] char_type('D', 'white')
   Call: (231) [system] char_type('D', end_of_line)
   Call: (231) [system] char_type('D', space)
   Call: (231) [system] char_type('D', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1822954)
   Exit: (229) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (229) [system] 'D'=')'
   Call: (229) [system] 'D'=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1826668)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1828526)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1836994)
   Exit: (230) [system] get_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'='('
   Call: (230) [system] 'D'='['
   Call: (230) [system] 'D'='{'
   Call: (230) [system] 'D'='"'
   Call: (230) [system] 'D'=!
   Call: (230) [system] 'D'='\''
   Call: (230) [system] 'D'='`'
   Call: (230) [system] 'D'=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1826668)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1847212)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1848146)
   Exit: (232) [system] peek_char((0x56051b6b4f40), i)
^  Call: (232) [user] is_delimiter(i)
   Call: (233) [system] char_type(i, space)
   Call: (233) [system] arg(_1851938, v('(', ')', end_of_file), i)
   Call: (232) [system] ')'==i
   Call: (232) [system] get_char((0x56051b6b4f40), i)
   Exit: (232) [system] get_char((0x56051b6b4f40), i)
   Call: (232) [system] i=(\)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1856508)
   Call: (233) [system] peek_char((0x56051b6b4f40), _1857442)
   Exit: (233) [system] peek_char((0x56051b6b4f40), s)
^  Call: (233) [user] is_delimiter(s)
   Call: (234) [system] char_type(s, space)
   Call: (234) [system] arg(_1861234, v('(', ')', end_of_file), s)
   Call: (233) [system] ')'==s
   Call: (233) [system] get_char((0x56051b6b4f40), s)
   Exit: (233) [system] get_char((0x56051b6b4f40), s)
   Call: (233) [system] s=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1865804)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1866738)
   Exit: (234) [system] peek_char((0x56051b6b4f40), j)
^  Call: (234) [user] is_delimiter(j)
   Call: (235) [system] char_type(j, space)
   Call: (235) [system] arg(_1870530, v('(', ')', end_of_file), j)
   Call: (234) [system] ')'==j
   Call: (234) [system] get_char((0x56051b6b4f40), j)
   Exit: (234) [system] get_char((0x56051b6b4f40), j)
   Call: (234) [system] j=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1875100)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1876034)
   Exit: (235) [system] peek_char((0x56051b6b4f40), u)
^  Call: (235) [user] is_delimiter(u)
   Call: (236) [system] char_type(u, space)
   Call: (236) [system] arg(_1879826, v('(', ')', end_of_file), u)
   Call: (235) [system] ')'==u
   Call: (235) [system] get_char((0x56051b6b4f40), u)
   Exit: (235) [system] get_char((0x56051b6b4f40), u)
   Call: (235) [system] u=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1884396)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1885330)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_1889122, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1893692)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1894626)
   Exit: (237) [system] peek_char((0x56051b6b4f40), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1898418, v('(', ')', end_of_file), c)
   Call: (237) [system] ')'==c
   Call: (237) [system] get_char((0x56051b6b4f40), c)
   Exit: (237) [system] get_char((0x56051b6b4f40), c)
   Call: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1902988)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1903922)
   Exit: (238) [system] peek_char((0x56051b6b4f40), t)
^  Call: (238) [user] is_delimiter(t)
   Call: (239) [system] char_type(t, space)
   Call: (239) [system] arg(_1907714, v('(', ')', end_of_file), t)
   Call: (238) [system] ')'==t
   Call: (238) [system] get_char((0x56051b6b4f40), t)
   Exit: (238) [system] get_char((0x56051b6b4f40), t)
   Call: (238) [system] t=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1912284)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1913218)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1917010, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1921580)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1922514)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_1926306, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1930876)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1931810)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1935602, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1940172)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1941106)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (242) [user] is_delimiter('I')
   Call: (243) [system] char_type('I', space)
   Call: (243) [system] arg(_1944898, v('(', ')', end_of_file), 'I')
   Call: (242) [system] ')'=='I'
   Call: (242) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (242) [system] get_char((0x56051b6b4f40), 'I')
   Call: (242) [system] 'I'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1949468)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1950402)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1954194, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1958764)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1959698)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1963490, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1968060)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1968994)
   Exit: (245) [system] peek_char((0x56051b6b4f40), r)
^  Call: (245) [user] is_delimiter(r)
   Call: (246) [system] char_type(r, space)
   Call: (246) [system] arg(_1972786, v('(', ')', end_of_file), r)
   Call: (245) [system] ')'==r
   Call: (245) [system] get_char((0x56051b6b4f40), r)
   Exit: (245) [system] get_char((0x56051b6b4f40), r)
   Call: (245) [system] r=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1977356)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1978290)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1982082, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1986652)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1987586)
   Exit: (247) [system] peek_char((0x56051b6b4f40), d)
^  Call: (247) [user] is_delimiter(d)
   Call: (248) [system] char_type(d, space)
   Call: (248) [system] arg(_1991378, v('(', ')', end_of_file), d)
   Call: (247) [system] ')'==d
   Call: (247) [system] get_char((0x56051b6b4f40), d)
   Exit: (247) [system] get_char((0x56051b6b4f40), d)
   Call: (247) [system] d=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1995948)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1996882)
   Exit: (248) [system] peek_char((0x56051b6b4f40), u)
^  Call: (248) [user] is_delimiter(u)
   Call: (249) [system] char_type(u, space)
   Call: (249) [system] arg(_2000674, v('(', ')', end_of_file), u)
   Call: (248) [system] ')'==u
   Call: (248) [system] get_char((0x56051b6b4f40), u)
   Exit: (248) [system] get_char((0x56051b6b4f40), u)
   Call: (248) [system] u=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2005244)
   Call: (249) [system] peek_char((0x56051b6b4f40), _2006178)
   Exit: (249) [system] peek_char((0x56051b6b4f40), c)
^  Call: (249) [user] is_delimiter(c)
   Call: (250) [system] char_type(c, space)
   Call: (250) [system] arg(_2009970, v('(', ')', end_of_file), c)
   Call: (249) [system] ')'==c
   Call: (249) [system] get_char((0x56051b6b4f40), c)
   Exit: (249) [system] get_char((0x56051b6b4f40), c)
   Call: (249) [system] c=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2014540)
   Call: (250) [system] peek_char((0x56051b6b4f40), _2015474)
   Exit: (250) [system] peek_char((0x56051b6b4f40), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_2019266, v('(', ')', end_of_file), t)
   Call: (250) [system] ')'==t
   Call: (250) [system] get_char((0x56051b6b4f40), t)
   Exit: (250) [system] get_char((0x56051b6b4f40), t)
   Call: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2023836)
   Call: (251) [system] peek_char((0x56051b6b4f40), _2024770)
   Exit: (251) [system] peek_char((0x56051b6b4f40), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_2028562, v('(', ')', end_of_file), i)
   Call: (251) [system] ')'==i
   Call: (251) [system] get_char((0x56051b6b4f40), i)
   Exit: (251) [system] get_char((0x56051b6b4f40), i)
   Call: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2033132)
   Call: (252) [system] peek_char((0x56051b6b4f40), _2034066)
   Exit: (252) [system] peek_char((0x56051b6b4f40), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_2037858, v('(', ')', end_of_file), o)
   Call: (252) [system] ')'==o
   Call: (252) [system] get_char((0x56051b6b4f40), o)
   Exit: (252) [system] get_char((0x56051b6b4f40), o)
   Call: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2042428)
   Call: (253) [system] peek_char((0x56051b6b4f40), _2043362)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_2047154, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2051724)
   Call: (254) [system] peek_char((0x56051b6b4f40), _2052658)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _2051724=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (253) [system] _2042428=[n]
   Exit: (253) [system] [n]=[n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (252) [system] _2033132=[o, n]
   Exit: (252) [system] [o, n]=[o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (251) [system] _2023836=[i, o, n]
   Exit: (251) [system] [i, o, n]=[i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (250) [system] _2014540=[t, i, o, n]
   Exit: (250) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (249) [system] _2005244=[c, t, i, o, n]
   Exit: (249) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (248) [system] _1995948=[u, c, t, i, o, n]
   Exit: (248) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (247) [system] _1986652=[d, u, c, t, i, o, n]
   Exit: (247) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (246) [system] _1977356=[o, d, u, c, t, i, o, n]
   Exit: (246) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (245) [system] _1968060=[r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1958764=[t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1949468=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1940172=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1930876=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _8750=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _8746=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _8742=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _8738=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _8734=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _8730=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _8726=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _8722=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (232) [system] _8718=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (232) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (231) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _8714)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_35524, _35526), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _8714), _35500, fail)), '$restore_trace'(_35524, _35526))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_35524, _35526))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _8714), _35500, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(_8714)
   Call: (232) [system] atom_chars(_8714, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (232) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (231) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _43976)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _45834)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _52644)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _55348)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _64740)
   Exit: (230) [system] peek_char((0x56051b6b4f40), a)
   Call: (230) [system] a=')'
   Call: (230) [system] a=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _68454)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _70312)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
   Call: (232) [system] a=(;)
^  Call: (232) [user] is_like_space(a)
   Call: (233) [system] char_type(a, 'white')
   Call: (233) [system] char_type(a, end_of_line)
   Call: (233) [system] char_type(a, space)
   Call: (233) [system] char_type(a, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _78780)
   Exit: (231) [system] get_char((0x56051b6b4f40), a)
   Call: (231) [system] a='('
   Call: (231) [system] a='['
   Call: (231) [system] a='{'
   Call: (231) [system] a='"'
   Call: (231) [system] a=!
   Call: (231) [system] a='\''
   Call: (231) [system] a='`'
   Call: (231) [system] a=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), a, _68454)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _88998)
   Call: (233) [system] peek_char((0x56051b6b4f40), _89932)
   Exit: (233) [system] peek_char((0x56051b6b4f40), b)
^  Call: (233) [user] is_delimiter(b)
   Call: (234) [system] char_type(b, space)
   Call: (234) [system] arg(_93724, v('(', ')', end_of_file), b)
   Call: (233) [system] ')'==b
   Call: (233) [system] get_char((0x56051b6b4f40), b)
   Exit: (233) [system] get_char((0x56051b6b4f40), b)
   Call: (233) [system] b=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _98294)
   Call: (234) [system] peek_char((0x56051b6b4f40), _99228)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
^  Call: (234) [user] is_delimiter(c)
   Call: (235) [system] char_type(c, space)
   Call: (235) [system] arg(_103020, v('(', ')', end_of_file), c)
   Call: (234) [system] ')'==c
   Call: (234) [system] get_char((0x56051b6b4f40), c)
   Exit: (234) [system] get_char((0x56051b6b4f40), c)
   Call: (234) [system] c=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _107590)
   Call: (235) [system] peek_char((0x56051b6b4f40), _108524)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _107590=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (234) [system] _98294=[c]
   Exit: (234) [system] [c]=[c]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (233) [system] _88998=[b, c]
   Exit: (233) [system] [b, c]=[b, c]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (232) [user] classify_and_convert_charseq(a, [b, c], _68454)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_123422, _123424), once(user:catch(read_from_chars([a, b, c], _68454), _123398, fail)), '$restore_trace'(_123422, _123424))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_123422, _123424))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _123398, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(abc)
   Exit: (233) [system] atomic(abc)
^  Exit: (232) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _130922)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _132780)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _139590)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _142294)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _151686)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=')'
   Call: (231) [system] '('=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _155400)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _157258)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _165726)
   Exit: (232) [system] get_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('='('
   Exit: (232) [system] '('='('
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _155400)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _171296)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'=(;)
^  Call: (234) [user] is_like_space('C')
   Call: (235) [system] char_type('C', 'white')
   Call: (235) [system] char_type('C', end_of_line)
   Call: (235) [system] char_type('C', space)
   Call: (235) [system] char_type('C', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _179764)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (233) [system] 'C'=')'
   Call: (233) [system] 'C'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _183478)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _185336)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _193804)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'='('
   Call: (234) [system] 'C'='['
   Call: (234) [system] 'C'='{'
   Call: (234) [system] 'C'='"'
   Call: (234) [system] 'C'=!
   Call: (234) [system] 'C'='\''
   Call: (234) [system] 'C'='`'
   Call: (234) [system] 'C'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _183478)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _204022)
   Call: (236) [system] peek_char((0x56051b6b4f40), _204956)
   Exit: (236) [system] peek_char((0x56051b6b4f40), o)
^  Call: (236) [user] is_delimiter(o)
   Call: (237) [system] char_type(o, space)
   Call: (237) [system] arg(_208748, v('(', ')', end_of_file), o)
   Call: (236) [system] ')'==o
   Call: (236) [system] get_char((0x56051b6b4f40), o)
   Exit: (236) [system] get_char((0x56051b6b4f40), o)
   Call: (236) [system] o=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _213318)
   Call: (237) [system] peek_char((0x56051b6b4f40), _214252)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_218044, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _222614)
   Call: (238) [system] peek_char((0x56051b6b4f40), _223548)
   Exit: (238) [system] peek_char((0x56051b6b4f40), j)
^  Call: (238) [user] is_delimiter(j)
   Call: (239) [system] char_type(j, space)
   Call: (239) [system] arg(_227340, v('(', ')', end_of_file), j)
   Call: (238) [system] ')'==j
   Call: (238) [system] get_char((0x56051b6b4f40), j)
   Exit: (238) [system] get_char((0x56051b6b4f40), j)
   Call: (238) [system] j=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _231910)
   Call: (239) [system] peek_char((0x56051b6b4f40), _232844)
   Exit: (239) [system] peek_char((0x56051b6b4f40), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_236636, v('(', ')', end_of_file), u)
   Call: (239) [system] ')'==u
   Call: (239) [system] get_char((0x56051b6b4f40), u)
   Exit: (239) [system] get_char((0x56051b6b4f40), u)
   Call: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _241206)
   Call: (240) [system] peek_char((0x56051b6b4f40), _242140)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_245932, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _250502)
   Call: (241) [system] peek_char((0x56051b6b4f40), _251436)
   Exit: (241) [system] peek_char((0x56051b6b4f40), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_255228, v('(', ')', end_of_file), c)
   Call: (241) [system] ')'==c
   Call: (241) [system] get_char((0x56051b6b4f40), c)
   Exit: (241) [system] get_char((0x56051b6b4f40), c)
   Call: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _259798)
   Call: (242) [system] peek_char((0x56051b6b4f40), _260732)
   Exit: (242) [system] peek_char((0x56051b6b4f40), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_264524, v('(', ')', end_of_file), t)
   Call: (242) [system] ')'==t
   Call: (242) [system] get_char((0x56051b6b4f40), t)
   Exit: (242) [system] get_char((0x56051b6b4f40), t)
   Call: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _269094)
   Call: (243) [system] peek_char((0x56051b6b4f40), _270028)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_273820, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _278390)
   Call: (244) [system] peek_char((0x56051b6b4f40), _279324)
   Exit: (244) [system] peek_char((0x56051b6b4f40), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_283116, v('(', ')', end_of_file), o)
   Call: (244) [system] ')'==o
   Call: (244) [system] get_char((0x56051b6b4f40), o)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _287686)
   Call: (245) [system] peek_char((0x56051b6b4f40), _288620)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_292412, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _296982)
   Call: (246) [system] peek_char((0x56051b6b4f40), _297916)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (246) [user] is_delimiter('I')
   Call: (247) [system] char_type('I', space)
   Call: (247) [system] arg(_301708, v('(', ')', end_of_file), 'I')
   Call: (246) [system] ')'=='I'
   Call: (246) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (246) [system] get_char((0x56051b6b4f40), 'I')
   Call: (246) [system] 'I'=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _306278)
   Call: (247) [system] peek_char((0x56051b6b4f40), _307212)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_311004, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _315574)
   Call: (248) [system] peek_char((0x56051b6b4f40), _316508)
   Exit: (248) [system] peek_char((0x56051b6b4f40), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_320300, v('(', ')', end_of_file), t)
   Call: (248) [system] ')'==t
   Call: (248) [system] get_char((0x56051b6b4f40), t)
   Exit: (248) [system] get_char((0x56051b6b4f40), t)
   Call: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _324870)
   Call: (249) [system] peek_char((0x56051b6b4f40), _325804)
   Exit: (249) [system] peek_char((0x56051b6b4f40), r)
^  Call: (249) [user] is_delimiter(r)
   Call: (250) [system] char_type(r, space)
   Call: (250) [system] arg(_329596, v('(', ')', end_of_file), r)
   Call: (249) [system] ')'==r
   Call: (249) [system] get_char((0x56051b6b4f40), r)
   Exit: (249) [system] get_char((0x56051b6b4f40), r)
   Call: (249) [system] r=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _334166)
   Call: (250) [system] peek_char((0x56051b6b4f40), _335100)
   Exit: (250) [system] peek_char((0x56051b6b4f40), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_338892, v('(', ')', end_of_file), o)
   Call: (250) [system] ')'==o
   Call: (250) [system] get_char((0x56051b6b4f40), o)
   Exit: (250) [system] get_char((0x56051b6b4f40), o)
   Call: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _343462)
   Call: (251) [system] peek_char((0x56051b6b4f40), _344396)
   Exit: (251) [system] peek_char((0x56051b6b4f40), d)
^  Call: (251) [user] is_delimiter(d)
   Call: (252) [system] char_type(d, space)
   Call: (252) [system] arg(_348188, v('(', ')', end_of_file), d)
   Call: (251) [system] ')'==d
   Call: (251) [system] get_char((0x56051b6b4f40), d)
   Exit: (251) [system] get_char((0x56051b6b4f40), d)
   Call: (251) [system] d=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _352758)
   Call: (252) [system] peek_char((0x56051b6b4f40), _353692)
   Exit: (252) [system] peek_char((0x56051b6b4f40), u)
^  Call: (252) [user] is_delimiter(u)
   Call: (253) [system] char_type(u, space)
   Call: (253) [system] arg(_357484, v('(', ')', end_of_file), u)
   Call: (252) [system] ')'==u
   Call: (252) [system] get_char((0x56051b6b4f40), u)
   Exit: (252) [system] get_char((0x56051b6b4f40), u)
   Call: (252) [system] u=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _362054)
   Call: (253) [system] peek_char((0x56051b6b4f40), _362988)
   Exit: (253) [system] peek_char((0x56051b6b4f40), c)
^  Call: (253) [user] is_delimiter(c)
   Call: (254) [system] char_type(c, space)
   Call: (254) [system] arg(_366780, v('(', ')', end_of_file), c)
   Call: (253) [system] ')'==c
   Call: (253) [system] get_char((0x56051b6b4f40), c)
   Exit: (253) [system] get_char((0x56051b6b4f40), c)
   Call: (253) [system] c=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _371350)
   Call: (254) [system] peek_char((0x56051b6b4f40), _372284)
   Exit: (254) [system] peek_char((0x56051b6b4f40), t)
^  Call: (254) [user] is_delimiter(t)
   Call: (255) [system] char_type(t, space)
   Call: (255) [system] arg(_376076, v('(', ')', end_of_file), t)
   Call: (254) [system] ')'==t
   Call: (254) [system] get_char((0x56051b6b4f40), t)
   Exit: (254) [system] get_char((0x56051b6b4f40), t)
   Call: (254) [system] t=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _380646)
   Call: (255) [system] peek_char((0x56051b6b4f40), _381580)
   Exit: (255) [system] peek_char((0x56051b6b4f40), i)
^  Call: (255) [user] is_delimiter(i)
   Call: (256) [system] char_type(i, space)
   Call: (256) [system] arg(_385372, v('(', ')', end_of_file), i)
   Call: (255) [system] ')'==i
   Call: (255) [system] get_char((0x56051b6b4f40), i)
   Exit: (255) [system] get_char((0x56051b6b4f40), i)
   Call: (255) [system] i=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _389942)
   Call: (256) [system] peek_char((0x56051b6b4f40), _390876)
   Exit: (256) [system] peek_char((0x56051b6b4f40), o)
^  Call: (256) [user] is_delimiter(o)
   Call: (257) [system] char_type(o, space)
   Call: (257) [system] arg(_394668, v('(', ')', end_of_file), o)
   Call: (256) [system] ')'==o
   Call: (256) [system] get_char((0x56051b6b4f40), o)
   Exit: (256) [system] get_char((0x56051b6b4f40), o)
   Call: (256) [system] o=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _399238)
   Call: (257) [system] peek_char((0x56051b6b4f40), _400172)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_403964, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _408534)
   Call: (258) [system] peek_char((0x56051b6b4f40), _409468)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (258) [user] is_delimiter(' ')
   Call: (259) [system] char_type(' ', space)
   Exit: (259) [system] char_type(' ', space)
^  Exit: (258) [user] is_delimiter(' ')
   Call: (258) [system] _408534=[]
   Exit: (258) [system] []=[]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (257) [system] _399238=[n]
   Exit: (257) [system] [n]=[n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (256) [system] _389942=[o, n]
   Exit: (256) [system] [o, n]=[o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (255) [system] _380646=[i, o, n]
   Exit: (255) [system] [i, o, n]=[i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (254) [system] _371350=[t, i, o, n]
   Exit: (254) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (253) [system] _362054=[c, t, i, o, n]
   Exit: (253) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (252) [system] _352758=[u, c, t, i, o, n]
   Exit: (252) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (251) [system] _343462=[d, u, c, t, i, o, n]
   Exit: (251) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (250) [system] _334166=[o, d, u, c, t, i, o, n]
   Exit: (250) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (249) [system] _324870=[r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _315574=[t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _306278=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _296982=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _287686=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _278390=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _269094=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _259798=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _250502=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _241206=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _231910=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _222614=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _213318=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _204022=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (235) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _183478)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_480246, _480248), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _183478), _480222, fail)), '$restore_trace'(_480246, _480248))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_480246, _480248))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _183478), _480222, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_183478)
   Call: (236) [system] atom_chars(_183478, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (236) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (235) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _488698)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _490556)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _497366)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _500070)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(;)
^  Call: (236) [user] is_like_space(c)
   Call: (237) [system] char_type(c, 'white')
   Call: (237) [system] char_type(c, end_of_line)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] char_type(c, cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _509462)
   Exit: (234) [system] peek_char((0x56051b6b4f40), c)
   Call: (234) [system] c=')'
   Call: (234) [system] c=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _513176)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _515034)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(;)
^  Call: (236) [user] is_like_space(c)
   Call: (237) [system] char_type(c, 'white')
   Call: (237) [system] char_type(c, end_of_line)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] char_type(c, cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _523502)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c='('
   Call: (235) [system] c='['
   Call: (235) [system] c='{'
   Call: (235) [system] c='"'
   Call: (235) [system] c=!
   Call: (235) [system] c='\''
   Call: (235) [system] c='`'
   Call: (235) [system] c=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), c, _513176)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _533720)
   Call: (237) [system] peek_char((0x56051b6b4f40), _534654)
   Exit: (237) [system] peek_char((0x56051b6b4f40), d)
^  Call: (237) [user] is_delimiter(d)
   Call: (238) [system] char_type(d, space)
   Call: (238) [system] arg(_538446, v('(', ')', end_of_file), d)
   Call: (237) [system] ')'==d
   Call: (237) [system] get_char((0x56051b6b4f40), d)
   Exit: (237) [system] get_char((0x56051b6b4f40), d)
   Call: (237) [system] d=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _543016)
   Call: (238) [system] peek_char((0x56051b6b4f40), _543950)
   Exit: (238) [system] peek_char((0x56051b6b4f40), e)
^  Call: (238) [user] is_delimiter(e)
   Call: (239) [system] char_type(e, space)
   Call: (239) [system] arg(_547742, v('(', ')', end_of_file), e)
   Call: (238) [system] ')'==e
   Call: (238) [system] get_char((0x56051b6b4f40), e)
   Exit: (238) [system] get_char((0x56051b6b4f40), e)
   Call: (238) [system] e=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _552312)
   Call: (239) [system] peek_char((0x56051b6b4f40), _553246)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _552312=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _543016=[e]
   Exit: (238) [system] [e]=[e]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (237) [system] _533720=[d, e]
   Exit: (237) [system] [d, e]=[d, e]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (236) [user] classify_and_convert_charseq(c, [d, e], _513176)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_568144, _568146), once(user:catch(read_from_chars([c, d, e], _513176), _568120, fail)), '$restore_trace'(_568144, _568146))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_568144, _568146))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _568120, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(cde)
   Exit: (237) [system] atomic(cde)
^  Exit: (236) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _575644)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _577502)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _584312)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _587016)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
   Call: (237) [system] a=(;)
^  Call: (237) [user] is_like_space(a)
   Call: (238) [system] char_type(a, 'white')
   Call: (238) [system] char_type(a, end_of_line)
   Call: (238) [system] char_type(a, space)
   Call: (238) [system] char_type(a, cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _596408)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
   Call: (235) [system] a=')'
   Call: (235) [system] a=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _600122)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _601980)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
   Call: (237) [system] a=(;)
^  Call: (237) [user] is_like_space(a)
   Call: (238) [system] char_type(a, 'white')
   Call: (238) [system] char_type(a, end_of_line)
   Call: (238) [system] char_type(a, space)
   Call: (238) [system] char_type(a, cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _610448)
   Exit: (236) [system] get_char((0x56051b6b4f40), a)
   Call: (236) [system] a='('
   Call: (236) [system] a='['
   Call: (236) [system] a='{'
   Call: (236) [system] a='"'
   Call: (236) [system] a=!
   Call: (236) [system] a='\''
   Call: (236) [system] a='`'
   Call: (236) [system] a=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), a, _600122)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620666)
   Call: (238) [system] peek_char((0x56051b6b4f40), _621600)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (238) [user] is_delimiter(')')
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] arg(_625392, v('(', ')', end_of_file), ')')
   Exit: (239) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (238) [user] is_delimiter(')')
   Call: (238) [system] _620666=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (237) [user] classify_and_convert_charseq(a, [], _600122)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_631854, _631856), once(user:catch(read_from_chars([a], _600122), _631830, fail)), '$restore_trace'(_631854, _631856))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_631854, _631856))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _631830, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(a)
   Exit: (238) [system] atomic(a)
^  Exit: (237) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _639354)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _641212)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=(;)
^  Call: (237) [user] is_like_space(')')
   Call: (238) [system] char_type(')', 'white')
   Call: (238) [system] char_type(')', end_of_line)
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] char_type(')', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _649680)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=')'
   Exit: (236) [system] ')'=')'
   Call: (236) [system] get_char((0x56051b6b4f40), _653470)
   Exit: (236) [system] get_char((0x56051b6b4f40), ')')
   Call: (236) [system] _639354=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (235) [system] _575644=[a]
   Exit: (235) [system] [a]=[a]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (234) [system] _488698=[cde, a]
   Exit: (234) [system] [cde, a]=[cde, a]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [cde, a])
   Call: (233) [system] _155400=['ConjunctionIntroduction', cde, a]
   Exit: (233) [system] ['ConjunctionIntroduction', cde, a]=['ConjunctionIntroduction', cde, a]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, a])
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', cde, a])
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _667352)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _669210)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _677678)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _681468)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _667352=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _130922=[['ConjunctionIntroduction', cde, a]]
   Exit: (231) [system] [['ConjunctionIntroduction', cde, a]]=[['ConjunctionIntroduction', cde, a]]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', cde, a]])
   Call: (230) [system] _43976=[abc, ['ConjunctionIntroduction', cde, a]]
   Exit: (230) [system] [abc, ['ConjunctionIntroduction', cde, a]]=[abc, ['ConjunctionIntroduction', cde, a]]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', cde, a]])
   Call: (229) [system] _8708=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]]
   Exit: (229) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _695350)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _697208)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _704018)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _706722)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _716114)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _719828)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _721686)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _730154)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _719828)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _735724)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (231) [system] 'O'=(;)
^  Call: (231) [user] is_like_space('O')
   Call: (232) [system] char_type('O', 'white')
   Call: (232) [system] char_type('O', end_of_line)
   Call: (232) [system] char_type('O', space)
   Call: (232) [system] char_type('O', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _744192)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (230) [system] 'O'=')'
   Call: (230) [system] 'O'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _747906)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _749764)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (232) [system] 'O'=(;)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _758232)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'O')
   Call: (231) [system] 'O'='('
   Call: (231) [system] 'O'='['
   Call: (231) [system] 'O'='{'
   Call: (231) [system] 'O'='"'
   Call: (231) [system] 'O'=!
   Call: (231) [system] 'O'='\''
   Call: (231) [system] 'O'='`'
   Call: (231) [system] 'O'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _747906)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _768450)
   Call: (233) [system] peek_char((0x56051b6b4f40), _769384)
   Exit: (233) [system] peek_char((0x56051b6b4f40), r)
^  Call: (233) [user] is_delimiter(r)
   Call: (234) [system] char_type(r, space)
   Call: (234) [system] arg(_773176, v('(', ')', end_of_file), r)
   Call: (233) [system] ')'==r
   Call: (233) [system] get_char((0x56051b6b4f40), r)
   Exit: (233) [system] get_char((0x56051b6b4f40), r)
   Call: (233) [system] r=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _777746)
   Call: (234) [system] peek_char((0x56051b6b4f40), _778680)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (234) [user] is_delimiter('L')
   Call: (235) [system] char_type('L', space)
   Call: (235) [system] arg(_782472, v('(', ')', end_of_file), 'L')
   Call: (234) [system] ')'=='L'
   Call: (234) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (234) [system] get_char((0x56051b6b4f40), 'L')
   Call: (234) [system] 'L'=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _787042)
   Call: (235) [system] peek_char((0x56051b6b4f40), _787976)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_791768, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _796338)
   Call: (236) [system] peek_char((0x56051b6b4f40), _797272)
   Exit: (236) [system] peek_char((0x56051b6b4f40), n)
^  Call: (236) [user] is_delimiter(n)
   Call: (237) [system] char_type(n, space)
   Call: (237) [system] arg(_801064, v('(', ')', end_of_file), n)
   Call: (236) [system] ')'==n
   Call: (236) [system] get_char((0x56051b6b4f40), n)
   Exit: (236) [system] get_char((0x56051b6b4f40), n)
   Call: (236) [system] n=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _805634)
   Call: (237) [system] peek_char((0x56051b6b4f40), _806568)
   Exit: (237) [system] peek_char((0x56051b6b4f40), k)
^  Call: (237) [user] is_delimiter(k)
   Call: (238) [system] char_type(k, space)
   Call: (238) [system] arg(_810360, v('(', ')', end_of_file), k)
   Call: (237) [system] ')'==k
   Call: (237) [system] get_char((0x56051b6b4f40), k)
   Exit: (237) [system] get_char((0x56051b6b4f40), k)
   Call: (237) [system] k=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _814930)
   Call: (238) [system] peek_char((0x56051b6b4f40), _815864)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _814930=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _805634=[k]
   Exit: (237) [system] [k]=[k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (236) [system] _796338=[n, k]
   Exit: (236) [system] [n, k]=[n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (235) [system] _787042=[i, n, k]
   Exit: (235) [system] [i, n, k]=[i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (234) [system] _777746=['L', i, n, k]
   Exit: (234) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (233) [system] _768450=[r, 'L', i, n, k]
   Exit: (233) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (232) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _747906)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_839144, _839146), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _747906), _839120, fail)), '$restore_trace'(_839144, _839146))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_839144, _839146))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _747906), _839120, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_747906)
   Call: (233) [system] atom_chars(_747906, ['O', r, 'L', i, n, k])
   Exit: (233) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (232) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _847596)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _849454)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _856264)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _858968)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _868360)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=')'
   Call: (231) [system] '('=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _872074)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _873932)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _882400)
   Exit: (232) [system] get_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('='('
   Exit: (232) [system] '('='('
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _872074)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _887970)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'=(;)
^  Call: (234) [user] is_like_space('I')
   Call: (235) [system] char_type('I', 'white')
   Call: (235) [system] char_type('I', end_of_line)
   Call: (235) [system] char_type('I', space)
   Call: (235) [system] char_type('I', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _896438)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (233) [system] 'I'=')'
   Call: (233) [system] 'I'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _900152)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _902010)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'=(;)
^  Call: (235) [user] is_like_space('I')
   Call: (236) [system] char_type('I', 'white')
   Call: (236) [system] char_type('I', end_of_line)
   Call: (236) [system] char_type('I', space)
   Call: (236) [system] char_type('I', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _910478)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'='('
   Call: (234) [system] 'I'='['
   Call: (234) [system] 'I'='{'
   Call: (234) [system] 'I'='"'
   Call: (234) [system] 'I'=!
   Call: (234) [system] 'I'='\''
   Call: (234) [system] 'I'='`'
   Call: (234) [system] 'I'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _900152)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _920696)
   Call: (236) [system] peek_char((0x56051b6b4f40), _921630)
   Exit: (236) [system] peek_char((0x56051b6b4f40), m)
^  Call: (236) [user] is_delimiter(m)
   Call: (237) [system] char_type(m, space)
   Call: (237) [system] arg(_925422, v('(', ')', end_of_file), m)
   Call: (236) [system] ')'==m
   Call: (236) [system] get_char((0x56051b6b4f40), m)
   Exit: (236) [system] get_char((0x56051b6b4f40), m)
   Call: (236) [system] m=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _929992)
   Call: (237) [system] peek_char((0x56051b6b4f40), _930926)
   Exit: (237) [system] peek_char((0x56051b6b4f40), p)
^  Call: (237) [user] is_delimiter(p)
   Call: (238) [system] char_type(p, space)
   Call: (238) [system] arg(_934718, v('(', ')', end_of_file), p)
   Call: (237) [system] ')'==p
   Call: (237) [system] get_char((0x56051b6b4f40), p)
   Exit: (237) [system] get_char((0x56051b6b4f40), p)
   Call: (237) [system] p=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _939288)
   Call: (238) [system] peek_char((0x56051b6b4f40), _940222)
   Exit: (238) [system] peek_char((0x56051b6b4f40), l)
^  Call: (238) [user] is_delimiter(l)
   Call: (239) [system] char_type(l, space)
   Call: (239) [system] arg(_944014, v('(', ')', end_of_file), l)
   Call: (238) [system] ')'==l
   Call: (238) [system] get_char((0x56051b6b4f40), l)
   Exit: (238) [system] get_char((0x56051b6b4f40), l)
   Call: (238) [system] l=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _948584)
   Call: (239) [system] peek_char((0x56051b6b4f40), _949518)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_953310, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _957880)
   Call: (240) [system] peek_char((0x56051b6b4f40), _958814)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_962606, v('(', ')', end_of_file), c)
   Call: (240) [system] ')'==c
   Call: (240) [system] get_char((0x56051b6b4f40), c)
   Exit: (240) [system] get_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _967176)
   Call: (241) [system] peek_char((0x56051b6b4f40), _968110)
   Exit: (241) [system] peek_char((0x56051b6b4f40), a)
^  Call: (241) [user] is_delimiter(a)
   Call: (242) [system] char_type(a, space)
   Call: (242) [system] arg(_971902, v('(', ')', end_of_file), a)
   Call: (241) [system] ')'==a
   Call: (241) [system] get_char((0x56051b6b4f40), a)
   Exit: (241) [system] get_char((0x56051b6b4f40), a)
   Call: (241) [system] a=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _976472)
   Call: (242) [system] peek_char((0x56051b6b4f40), _977406)
   Exit: (242) [system] peek_char((0x56051b6b4f40), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_981198, v('(', ')', end_of_file), t)
   Call: (242) [system] ')'==t
   Call: (242) [system] get_char((0x56051b6b4f40), t)
   Exit: (242) [system] get_char((0x56051b6b4f40), t)
   Call: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _985768)
   Call: (243) [system] peek_char((0x56051b6b4f40), _986702)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_990494, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _995064)
   Call: (244) [system] peek_char((0x56051b6b4f40), _995998)
   Exit: (244) [system] peek_char((0x56051b6b4f40), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_999790, v('(', ')', end_of_file), o)
   Call: (244) [system] ')'==o
   Call: (244) [system] get_char((0x56051b6b4f40), o)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1004360)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1005294)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1009086, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1013656)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1014590)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1013656=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (245) [system] _1004360=[n]
   Exit: (245) [system] [n]=[n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (244) [system] _995064=[o, n]
   Exit: (244) [system] [o, n]=[o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (243) [system] _985768=[i, o, n]
   Exit: (243) [system] [i, o, n]=[i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (242) [system] _976472=[t, i, o, n]
   Exit: (242) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (241) [system] _967176=[a, t, i, o, n]
   Exit: (241) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (240) [system] _957880=[c, a, t, i, o, n]
   Exit: (240) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (239) [system] _948584=[i, c, a, t, i, o, n]
   Exit: (239) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (238) [system] _939288=[l, i, c, a, t, i, o, n]
   Exit: (238) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (237) [system] _929992=[p, l, i, c, a, t, i, o, n]
   Exit: (237) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (236) [system] _920696=[m, p, l, i, c, a, t, i, o, n]
   Exit: (236) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (235) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _900152)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1051840, _1051842), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _900152), _1051816, fail)), '$restore_trace'(_1051840, _1051842))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1051840, _1051842))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _900152), _1051816, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_900152)
   Call: (236) [system] atom_chars(_900152, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (236) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (235) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1060292)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1062150)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _1068960)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1071664)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1081056)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=')'
   Call: (234) [system] '('=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1084770)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1086628)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1095096)
   Exit: (235) [system] get_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('='('
   Exit: (235) [system] '('='('
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1084770)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1100666)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1109134)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=')'
   Call: (236) [system] 'A'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1112848)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1114706)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=(;)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1123174)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'='('
   Call: (237) [system] 'A'='['
   Call: (237) [system] 'A'='{'
   Call: (237) [system] 'A'='"'
   Call: (237) [system] 'A'=!
   Call: (237) [system] 'A'='\''
   Call: (237) [system] 'A'='`'
   Call: (237) [system] 'A'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1112848)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1133392)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1134326)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1138118, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1142688)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1143622)
   Exit: (240) [system] peek_char((0x56051b6b4f40), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_1147414, v('(', ')', end_of_file), d)
   Call: (240) [system] ')'==d
   Call: (240) [system] get_char((0x56051b6b4f40), d)
   Exit: (240) [system] get_char((0x56051b6b4f40), d)
   Call: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1151984)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1152918)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (241) [user] is_delimiter('L')
   Call: (242) [system] char_type('L', space)
   Call: (242) [system] arg(_1156710, v('(', ')', end_of_file), 'L')
   Call: (241) [system] ')'=='L'
   Call: (241) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (241) [system] get_char((0x56051b6b4f40), 'L')
   Call: (241) [system] 'L'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1161280)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1162214)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1166006, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1170576)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1171510)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1175302, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1179872)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1180806)
   Exit: (244) [system] peek_char((0x56051b6b4f40), k)
^  Call: (244) [user] is_delimiter(k)
   Call: (245) [system] char_type(k, space)
   Call: (245) [system] arg(_1184598, v('(', ')', end_of_file), k)
   Call: (244) [system] ')'==k
   Call: (244) [system] get_char((0x56051b6b4f40), k)
   Exit: (244) [system] get_char((0x56051b6b4f40), k)
   Call: (244) [system] k=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1189168)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1190102)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _1189168=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (244) [system] _1179872=[k]
   Exit: (244) [system] [k]=[k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (243) [system] _1170576=[n, k]
   Exit: (243) [system] [n, k]=[n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (242) [system] _1161280=[i, n, k]
   Exit: (242) [system] [i, n, k]=[i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (241) [system] _1151984=['L', i, n, k]
   Exit: (241) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (240) [system] _1142688=[d, 'L', i, n, k]
   Exit: (240) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (239) [system] _1133392=[n, d, 'L', i, n, k]
   Exit: (239) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (238) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1112848)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_1216176, _1216178), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1112848), _1216152, fail)), '$restore_trace'(_1216176, _1216178))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_1216176, _1216178))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1112848), _1216152, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_1112848)
   Call: (239) [system] atom_chars(_1112848, ['A', n, d, 'L', i, n, k])
   Exit: (239) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (238) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1224628)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1226486)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _1233296)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1236000)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=(;)
^  Call: (239) [user] is_like_space('A')
   Call: (240) [system] char_type('A', 'white')
   Call: (240) [system] char_type('A', end_of_line)
   Call: (240) [system] char_type('A', space)
   Call: (240) [system] char_type('A', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1245392)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=')'
   Call: (237) [system] 'A'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1249106)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1250964)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=(;)
^  Call: (239) [user] is_like_space('A')
   Call: (240) [system] char_type('A', 'white')
   Call: (240) [system] char_type('A', end_of_line)
   Call: (240) [system] char_type('A', space)
   Call: (240) [system] char_type('A', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1259432)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'='('
   Call: (238) [system] 'A'='['
   Call: (238) [system] 'A'='{'
   Call: (238) [system] 'A'='"'
   Call: (238) [system] 'A'=!
   Call: (238) [system] 'A'='\''
   Call: (238) [system] 'A'='`'
   Call: (238) [system] 'A'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1249106)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1269650)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1270584)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1269650=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq('A', [], _1249106)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1279894, _1279896), once(user:catch(read_from_chars(['A'], _1249106), _1279870, fail)), '$restore_trace'(_1279894, _1279896))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1279894, _1279896))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1249106), _1279870, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1249106)
   Call: (240) [system] atom_chars(_1249106, ['A'])
   Exit: (240) [system] atom_chars('A', ['A'])
^  Exit: (239) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1288346)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1290204)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _1297014)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1299718)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=(;)
^  Call: (240) [user] is_like_space('B')
   Call: (241) [system] char_type('B', 'white')
   Call: (241) [system] char_type('B', end_of_line)
   Call: (241) [system] char_type('B', space)
   Call: (241) [system] char_type('B', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1309110)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=')'
   Call: (238) [system] 'B'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1312824)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1314682)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=(;)
^  Call: (240) [user] is_like_space('B')
   Call: (241) [system] char_type('B', 'white')
   Call: (241) [system] char_type('B', end_of_line)
   Call: (241) [system] char_type('B', space)
   Call: (241) [system] char_type('B', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1323150)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'B')
   Call: (239) [system] 'B'='('
   Call: (239) [system] 'B'='['
   Call: (239) [system] 'B'='{'
   Call: (239) [system] 'B'='"'
   Call: (239) [system] 'B'=!
   Call: (239) [system] 'B'='\''
   Call: (239) [system] 'B'='`'
   Call: (239) [system] 'B'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1312824)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1333368)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1334302)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (241) [user] is_delimiter(')')
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] arg(_1338094, v('(', ')', end_of_file), ')')
   Exit: (242) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (241) [user] is_delimiter(')')
   Call: (241) [system] _1333368=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq('B', [], _1312824)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1344556, _1344558), once(user:catch(read_from_chars(['B'], _1312824), _1344532, fail)), '$restore_trace'(_1344556, _1344558))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1344556, _1344558))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1312824), _1344532, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1312824)
   Call: (241) [system] atom_chars(_1312824, ['B'])
   Exit: (241) [system] atom_chars('B', ['B'])
^  Exit: (240) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1353008)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1354866)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=(;)
^  Call: (240) [user] is_like_space(')')
   Call: (241) [system] char_type(')', 'white')
   Call: (241) [system] char_type(')', end_of_line)
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] char_type(')', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1363334)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=')'
   Exit: (239) [system] ')'=')'
   Call: (239) [system] get_char((0x56051b6b4f40), _1367124)
   Exit: (239) [system] get_char((0x56051b6b4f40), ')')
   Call: (239) [system] _1353008=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (238) [system] _1288346=['B']
   Exit: (238) [system] ['B']=['B']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (237) [system] _1224628=['A', 'B']
   Exit: (237) [system] ['A', 'B']=['A', 'B']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (236) [system] _1084770=['AndLink', 'A', 'B']
   Exit: (236) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1381006)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1382864)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _1389674)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1392378)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'=(;)
^  Call: (237) [user] is_like_space('C')
   Call: (238) [system] char_type('C', 'white')
   Call: (238) [system] char_type('C', end_of_line)
   Call: (238) [system] char_type('C', space)
   Call: (238) [system] char_type('C', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1401770)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=')'
   Call: (235) [system] 'C'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1405484)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1407342)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'=(;)
^  Call: (237) [user] is_like_space('C')
   Call: (238) [system] char_type('C', 'white')
   Call: (238) [system] char_type('C', end_of_line)
   Call: (238) [system] char_type('C', space)
   Call: (238) [system] char_type('C', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1415810)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'C')
   Call: (236) [system] 'C'='('
   Call: (236) [system] 'C'='['
   Call: (236) [system] 'C'='{'
   Call: (236) [system] 'C'='"'
   Call: (236) [system] 'C'=!
   Call: (236) [system] 'C'='\''
   Call: (236) [system] 'C'='`'
   Call: (236) [system] 'C'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1405484)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1426028)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1426962)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (238) [user] is_delimiter(')')
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] arg(_1430754, v('(', ')', end_of_file), ')')
   Exit: (239) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (238) [user] is_delimiter(')')
   Call: (238) [system] _1426028=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (237) [user] classify_and_convert_charseq('C', [], _1405484)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1437216, _1437218), once(user:catch(read_from_chars(['C'], _1405484), _1437192, fail)), '$restore_trace'(_1437216, _1437218))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1437216, _1437218))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1405484), _1437192, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1405484)
   Call: (238) [system] atom_chars(_1405484, ['C'])
   Exit: (238) [system] atom_chars('C', ['C'])
^  Exit: (237) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1445668)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1447526)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=(;)
^  Call: (237) [user] is_like_space(')')
   Call: (238) [system] char_type(')', 'white')
   Call: (238) [system] char_type(')', end_of_line)
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] char_type(')', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1455994)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=')'
   Exit: (236) [system] ')'=')'
   Call: (236) [system] get_char((0x56051b6b4f40), _1459784)
   Exit: (236) [system] get_char((0x56051b6b4f40), ')')
   Call: (236) [system] _1445668=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (235) [system] _1381006=['C']
   Exit: (235) [system] ['C']=['C']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (234) [system] _1060292=[['AndLink', 'A', 'B'], 'C']
   Exit: (234) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (233) [system] _872074=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (233) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1473666)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1475524)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1482334)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1485038)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1494430)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1498144)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1500002)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1508470)
   Exit: (233) [system] get_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1498144)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1514040)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=(;)
^  Call: (235) [user] is_like_space('A')
   Call: (236) [system] char_type('A', 'white')
   Call: (236) [system] char_type('A', end_of_line)
   Call: (236) [system] char_type('A', space)
   Call: (236) [system] char_type('A', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1522508)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (234) [system] 'A'=')'
   Call: (234) [system] 'A'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1526222)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1528080)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=(;)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1536548)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'='('
   Call: (235) [system] 'A'='['
   Call: (235) [system] 'A'='{'
   Call: (235) [system] 'A'='"'
   Call: (235) [system] 'A'=!
   Call: (235) [system] 'A'='\''
   Call: (235) [system] 'A'='`'
   Call: (235) [system] 'A'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1526222)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1546766)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1547700)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1551492, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1556062)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1556996)
   Exit: (238) [system] peek_char((0x56051b6b4f40), d)
^  Call: (238) [user] is_delimiter(d)
   Call: (239) [system] char_type(d, space)
   Call: (239) [system] arg(_1560788, v('(', ')', end_of_file), d)
   Call: (238) [system] ')'==d
   Call: (238) [system] get_char((0x56051b6b4f40), d)
   Exit: (238) [system] get_char((0x56051b6b4f40), d)
   Call: (238) [system] d=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1565358)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1566292)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_1570084, v('(', ')', end_of_file), 'L')
   Call: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (239) [system] get_char((0x56051b6b4f40), 'L')
   Call: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1574654)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1575588)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1579380, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1583950)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1584884)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1588676, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1593246)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1594180)
   Exit: (242) [system] peek_char((0x56051b6b4f40), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_1597972, v('(', ')', end_of_file), k)
   Call: (242) [system] ')'==k
   Call: (242) [system] get_char((0x56051b6b4f40), k)
   Exit: (242) [system] get_char((0x56051b6b4f40), k)
   Call: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1602542)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1603476)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _1602542=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _1593246=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (241) [system] _1583950=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (240) [system] _1574654=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (239) [system] _1565358=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (238) [system] _1556062=[d, 'L', i, n, k]
   Exit: (238) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (237) [system] _1546766=[n, d, 'L', i, n, k]
   Exit: (237) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (236) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1526222)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1629550, _1629552), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1526222), _1629526, fail)), '$restore_trace'(_1629550, _1629552))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1629550, _1629552))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1526222), _1629526, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_1526222)
   Call: (237) [system] atom_chars(_1526222, ['A', n, d, 'L', i, n, k])
   Exit: (237) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (236) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1638002)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1639860)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _1646670)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1649374)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1658766)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=')'
   Call: (235) [system] '('=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1662480)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1664338)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1672806)
   Exit: (236) [system] get_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('='('
   Exit: (236) [system] '('='('
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1662480)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1678376)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'=(;)
^  Call: (238) [user] is_like_space('I')
   Call: (239) [system] char_type('I', 'white')
   Call: (239) [system] char_type('I', end_of_line)
   Call: (239) [system] char_type('I', space)
   Call: (239) [system] char_type('I', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1686844)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=')'
   Call: (237) [system] 'I'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1690558)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1692416)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (239) [system] 'I'=(;)
^  Call: (239) [user] is_like_space('I')
   Call: (240) [system] char_type('I', 'white')
   Call: (240) [system] char_type('I', end_of_line)
   Call: (240) [system] char_type('I', space)
   Call: (240) [system] char_type('I', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1700884)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'='('
   Call: (238) [system] 'I'='['
   Call: (238) [system] 'I'='{'
   Call: (238) [system] 'I'='"'
   Call: (238) [system] 'I'=!
   Call: (238) [system] 'I'='\''
   Call: (238) [system] 'I'='`'
   Call: (238) [system] 'I'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1690558)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1711102)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1712036)
   Exit: (240) [system] peek_char((0x56051b6b4f40), m)
^  Call: (240) [user] is_delimiter(m)
   Call: (241) [system] char_type(m, space)
   Call: (241) [system] arg(_1715828, v('(', ')', end_of_file), m)
   Call: (240) [system] ')'==m
   Call: (240) [system] get_char((0x56051b6b4f40), m)
   Exit: (240) [system] get_char((0x56051b6b4f40), m)
   Call: (240) [system] m=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1720398)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1721332)
   Exit: (241) [system] peek_char((0x56051b6b4f40), p)
^  Call: (241) [user] is_delimiter(p)
   Call: (242) [system] char_type(p, space)
   Call: (242) [system] arg(_1725124, v('(', ')', end_of_file), p)
   Call: (241) [system] ')'==p
   Call: (241) [system] get_char((0x56051b6b4f40), p)
   Exit: (241) [system] get_char((0x56051b6b4f40), p)
   Call: (241) [system] p=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1729694)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1730628)
   Exit: (242) [system] peek_char((0x56051b6b4f40), l)
^  Call: (242) [user] is_delimiter(l)
   Call: (243) [system] char_type(l, space)
   Call: (243) [system] arg(_1734420, v('(', ')', end_of_file), l)
   Call: (242) [system] ')'==l
   Call: (242) [system] get_char((0x56051b6b4f40), l)
   Exit: (242) [system] get_char((0x56051b6b4f40), l)
   Call: (242) [system] l=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1738990)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1739924)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1743716, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1748286)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1749220)
   Exit: (244) [system] peek_char((0x56051b6b4f40), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_1753012, v('(', ')', end_of_file), c)
   Call: (244) [system] ')'==c
   Call: (244) [system] get_char((0x56051b6b4f40), c)
   Exit: (244) [system] get_char((0x56051b6b4f40), c)
   Call: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1757582)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1758516)
   Exit: (245) [system] peek_char((0x56051b6b4f40), a)
^  Call: (245) [user] is_delimiter(a)
   Call: (246) [system] char_type(a, space)
   Call: (246) [system] arg(_1762308, v('(', ')', end_of_file), a)
   Call: (245) [system] ')'==a
   Call: (245) [system] get_char((0x56051b6b4f40), a)
   Exit: (245) [system] get_char((0x56051b6b4f40), a)
   Call: (245) [system] a=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1766878)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1767812)
   Exit: (246) [system] peek_char((0x56051b6b4f40), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_1771604, v('(', ')', end_of_file), t)
   Call: (246) [system] ')'==t
   Call: (246) [system] get_char((0x56051b6b4f40), t)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1776174)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1777108)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_1780900, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1785470)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1786404)
   Exit: (248) [system] peek_char((0x56051b6b4f40), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_1790196, v('(', ')', end_of_file), o)
   Call: (248) [system] ')'==o
   Call: (248) [system] get_char((0x56051b6b4f40), o)
   Exit: (248) [system] get_char((0x56051b6b4f40), o)
   Call: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1794766)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1795700)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_1799492, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1804062)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1804996)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _1804062=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (249) [system] _1794766=[n]
   Exit: (249) [system] [n]=[n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (248) [system] _1785470=[o, n]
   Exit: (248) [system] [o, n]=[o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (247) [system] _1776174=[i, o, n]
   Exit: (247) [system] [i, o, n]=[i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (246) [system] _1766878=[t, i, o, n]
   Exit: (246) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (245) [system] _1757582=[a, t, i, o, n]
   Exit: (245) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (244) [system] _1748286=[c, a, t, i, o, n]
   Exit: (244) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (243) [system] _1738990=[i, c, a, t, i, o, n]
   Exit: (243) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (242) [system] _1729694=[l, i, c, a, t, i, o, n]
   Exit: (242) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (241) [system] _1720398=[p, l, i, c, a, t, i, o, n]
   Exit: (241) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (240) [system] _1711102=[m, p, l, i, c, a, t, i, o, n]
   Exit: (240) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (239) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1690558)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1842246, _1842248), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1690558), _1842222, fail)), '$restore_trace'(_1842246, _1842248))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1842246, _1842248))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1690558), _1842222, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1690558)
   Call: (240) [system] atom_chars(_1690558, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (240) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (239) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1850698)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1852556)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _1859366)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1862070)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1871462)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=')'
   Call: (238) [system] '('=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1875176)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1877034)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1885502)
   Exit: (239) [system] get_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('='('
   Exit: (239) [system] '('='('
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1875176)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1891072)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (241) [system] 'O'=(;)
^  Call: (241) [user] is_like_space('O')
   Call: (242) [system] char_type('O', 'white')
   Call: (242) [system] char_type('O', end_of_line)
   Call: (242) [system] char_type('O', space)
   Call: (242) [system] char_type('O', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1899540)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (240) [system] 'O'=')'
   Call: (240) [system] 'O'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _1903254)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1905112)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (242) [system] 'O'=(;)
^  Call: (242) [user] is_like_space('O')
   Call: (243) [system] char_type('O', 'white')
   Call: (243) [system] char_type('O', end_of_line)
   Call: (243) [system] char_type('O', space)
   Call: (243) [system] char_type('O', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _1913580)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'O')
   Call: (241) [system] 'O'='('
   Call: (241) [system] 'O'='['
   Call: (241) [system] 'O'='{'
   Call: (241) [system] 'O'='"'
   Call: (241) [system] 'O'=!
   Call: (241) [system] 'O'='\''
   Call: (241) [system] 'O'='`'
   Call: (241) [system] 'O'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1903254)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1923798)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1924732)
   Exit: (243) [system] peek_char((0x56051b6b4f40), r)
^  Call: (243) [user] is_delimiter(r)
   Call: (244) [system] char_type(r, space)
   Call: (244) [system] arg(_1928524, v('(', ')', end_of_file), r)
   Call: (243) [system] ')'==r
   Call: (243) [system] get_char((0x56051b6b4f40), r)
   Exit: (243) [system] get_char((0x56051b6b4f40), r)
   Call: (243) [system] r=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1933094)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1934028)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (244) [user] is_delimiter('L')
   Call: (245) [system] char_type('L', space)
   Call: (245) [system] arg(_1937820, v('(', ')', end_of_file), 'L')
   Call: (244) [system] ')'=='L'
   Call: (244) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (244) [system] get_char((0x56051b6b4f40), 'L')
   Call: (244) [system] 'L'=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1942390)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1943324)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_1947116, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1951686)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1952620)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1956412, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1960982)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1961916)
   Exit: (247) [system] peek_char((0x56051b6b4f40), k)
^  Call: (247) [user] is_delimiter(k)
   Call: (248) [system] char_type(k, space)
   Call: (248) [system] arg(_1965708, v('(', ')', end_of_file), k)
   Call: (247) [system] ')'==k
   Call: (247) [system] get_char((0x56051b6b4f40), k)
   Exit: (247) [system] get_char((0x56051b6b4f40), k)
   Call: (247) [system] k=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1970278)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1971212)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1970278=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _1960982=[k]
   Exit: (247) [system] [k]=[k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (246) [system] _1951686=[n, k]
   Exit: (246) [system] [n, k]=[n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (245) [system] _1942390=[i, n, k]
   Exit: (245) [system] [i, n, k]=[i, n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (244) [system] _1933094=['L', i, n, k]
   Exit: (244) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (243) [system] _1923798=[r, 'L', i, n, k]
   Exit: (243) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (242) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1903254)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_1994492, _1994494), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1903254), _1994468, fail)), '$restore_trace'(_1994492, _1994494))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_1994492, _1994494))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1903254), _1994468, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_1903254)
   Call: (243) [system] atom_chars(_1903254, ['O', r, 'L', i, n, k])
   Exit: (243) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (242) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _2002944)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _2004802)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _2011612)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _2014316)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (243) [system] 'C'=(;)
^  Call: (243) [user] is_like_space('C')
   Call: (244) [system] char_type('C', 'white')
   Call: (244) [system] char_type('C', end_of_line)
   Call: (244) [system] char_type('C', space)
   Call: (244) [system] char_type('C', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _2023708)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (241) [system] 'C'=')'
   Call: (241) [system] 'C'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _2027422)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _2029280)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (243) [system] 'C'=(;)
^  Call: (243) [user] is_like_space('C')
   Call: (244) [system] char_type('C', 'white')
   Call: (244) [system] char_type('C', end_of_line)
   Call: (244) [system] char_type('C', space)
   Call: (244) [system] char_type('C', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _2037748)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'C')
   Call: (242) [system] 'C'='('
   Call: (242) [system] 'C'='['
   Call: (242) [system] 'C'='{'
   Call: (242) [system] 'C'='"'
   Call: (242) [system] 'C'=!
   Call: (242) [system] 'C'='\''
   Call: (242) [system] 'C'='`'
   Call: (242) [system] 'C'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2027422)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2047966)
   Call: (244) [system] peek_char((0x56051b6b4f40), _2048900)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _2047966=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (243) [user] classify_and_convert_charseq('C', [], _2027422)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_2058210, _2058212), once(user:catch(read_from_chars(['C'], _2027422), _2058186, fail)), '$restore_trace'(_2058210, _2058212))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_2058210, _2058212))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2027422), _2058186, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_2027422)
   Call: (244) [system] atom_chars(_2027422, ['C'])
   Exit: (244) [system] atom_chars('C', ['C'])
^  Exit: (243) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _2066662)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _2068520)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _2075330)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _2078034)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'=(;)
^  Call: (244) [user] is_like_space('D')
   Call: (245) [system] char_type('D', 'white')
   Call: (245) [system] char_type('D', end_of_line)
   Call: (245) [system] char_type('D', space)
   Call: (245) [system] char_type('D', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _2087426)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (242) [system] 'D'=')'
   Call: (242) [system] 'D'=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _2091140)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _2092998)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'=(;)
^  Call: (244) [user] is_like_space('D')
   Call: (245) [system] char_type('D', 'white')
   Call: (245) [system] char_type('D', end_of_line)
   Call: (245) [system] char_type('D', space)
   Call: (245) [system] char_type('D', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _13448)
   Exit: (243) [system] get_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'='('
   Call: (243) [system] 'D'='['
   Call: (243) [system] 'D'='{'
   Call: (243) [system] 'D'='"'
   Call: (243) [system] 'D'=!
   Call: (243) [system] 'D'='\''
   Call: (243) [system] 'D'='`'
   Call: (243) [system] 'D'=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _8846)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _23666)
   Call: (245) [system] peek_char((0x56051b6b4f40), _24600)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (245) [user] is_delimiter(')')
   Call: (246) [system] char_type(')', space)
   Call: (246) [system] arg(_28392, v('(', ')', end_of_file), ')')
   Exit: (246) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (245) [user] is_delimiter(')')
   Call: (245) [system] _23666=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (244) [user] classify_and_convert_charseq('D', [], _8846)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_34854, _34856), once(user:catch(read_from_chars(['D'], _8846), _34830, fail)), '$restore_trace'(_34854, _34856))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_34854, _34856))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _8846), _34830, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(_8846)
   Call: (245) [system] atom_chars(_8846, ['D'])
   Exit: (245) [system] atom_chars('D', ['D'])
^  Exit: (244) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _43306)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _45164)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=(;)
^  Call: (244) [user] is_like_space(')')
   Call: (245) [system] char_type(')', 'white')
   Call: (245) [system] char_type(')', end_of_line)
   Call: (245) [system] char_type(')', space)
   Call: (245) [system] char_type(')', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _53632)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=')'
   Exit: (243) [system] ')'=')'
   Call: (243) [system] get_char((0x56051b6b4f40), _57422)
   Exit: (243) [system] get_char((0x56051b6b4f40), ')')
   Call: (243) [system] _43306=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (242) [system] _8842=['D']
   Exit: (242) [system] ['D']=['D']
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (241) [system] _8836=['C', 'D']
   Exit: (241) [system] ['C', 'D']=['C', 'D']
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (240) [system] _8828=['OrLink', 'C', 'D']
   Exit: (240) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _71304)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _73162)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _79972)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _82676)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (241) [system] 'E'=(;)
^  Call: (241) [user] is_like_space('E')
   Call: (242) [system] char_type('E', 'white')
   Call: (242) [system] char_type('E', end_of_line)
   Call: (242) [system] char_type('E', space)
   Call: (242) [system] char_type('E', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _92068)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (239) [system] 'E'=')'
   Call: (239) [system] 'E'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _95782)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _97640)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (241) [system] 'E'=(;)
^  Call: (241) [user] is_like_space('E')
   Call: (242) [system] char_type('E', 'white')
   Call: (242) [system] char_type('E', end_of_line)
   Call: (242) [system] char_type('E', space)
   Call: (242) [system] char_type('E', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _106108)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'E')
   Call: (240) [system] 'E'='('
   Call: (240) [system] 'E'='['
   Call: (240) [system] 'E'='{'
   Call: (240) [system] 'E'='"'
   Call: (240) [system] 'E'=!
   Call: (240) [system] 'E'='\''
   Call: (240) [system] 'E'='`'
   Call: (240) [system] 'E'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _95782)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _116326)
   Call: (242) [system] peek_char((0x56051b6b4f40), _117260)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (242) [user] is_delimiter(')')
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] arg(_121052, v('(', ')', end_of_file), ')')
   Exit: (243) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (242) [user] is_delimiter(')')
   Call: (242) [system] _116326=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq('E', [], _95782)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_127514, _127516), once(user:catch(read_from_chars(['E'], _95782), _127490, fail)), '$restore_trace'(_127514, _127516))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_127514, _127516))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _95782), _127490, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_95782)
   Call: (242) [system] atom_chars(_95782, ['E'])
   Exit: (242) [system] atom_chars('E', ['E'])
^  Exit: (241) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _135966)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _137824)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=(;)
^  Call: (241) [user] is_like_space(')')
   Call: (242) [system] char_type(')', 'white')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] char_type(')', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _146292)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=')'
   Exit: (240) [system] ')'=')'
   Call: (240) [system] get_char((0x56051b6b4f40), _150082)
   Exit: (240) [system] get_char((0x56051b6b4f40), ')')
   Call: (240) [system] _135966=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (239) [system] _71304=['E']
   Exit: (239) [system] ['E']=['E']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (238) [system] _8824=[['OrLink', 'C', 'D'], 'E']
   Exit: (238) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (237) [system] _8816=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (237) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _163964)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _165822)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _172632)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _175336)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=(;)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _184728)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=')'
   Call: (236) [system] 'A'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _188442)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _190300)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=(;)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _198768)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'='('
   Call: (237) [system] 'A'='['
   Call: (237) [system] 'A'='{'
   Call: (237) [system] 'A'='"'
   Call: (237) [system] 'A'=!
   Call: (237) [system] 'A'='\''
   Call: (237) [system] 'A'='`'
   Call: (237) [system] 'A'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _188442)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _208986)
   Call: (239) [system] peek_char((0x56051b6b4f40), _209920)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (239) [user] is_delimiter(')')
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] arg(_213712, v('(', ')', end_of_file), ')')
   Exit: (240) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (239) [user] is_delimiter(')')
   Call: (239) [system] _208986=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq('A', [], _188442)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_220174, _220176), once(user:catch(read_from_chars(['A'], _188442), _220150, fail)), '$restore_trace'(_220174, _220176))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_220174, _220176))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _188442), _220150, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_188442)
   Call: (239) [system] atom_chars(_188442, ['A'])
   Exit: (239) [system] atom_chars('A', ['A'])
^  Exit: (238) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _228626)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _230484)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _238952)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x56051b6b4f40), _242742)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] _228626=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (236) [system] _163964=['A']
   Exit: (236) [system] ['A']=['A']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (235) [system] _8812=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (235) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=[['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
   Call: (234) [system] _8804=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
   Exit: (234) [system] ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']=['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A'])
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _256624)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _258482)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _266950)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _270740)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _256624=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _8800=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (232) [system] [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (231) [system] _8758=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (231) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
   Call: (230) [system] _8750=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
   Exit: (230) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _284622)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _286480)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=(;)
^  Call: (230) [user] is_like_space(')')
   Call: (231) [system] char_type(')', 'white')
   Call: (231) [system] char_type(')', end_of_line)
   Call: (231) [system] char_type(')', space)
   Call: (231) [system] char_type(')', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _294948)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ')')
   Call: (229) [system] ')'=')'
   Exit: (229) [system] ')'=')'
   Call: (229) [system] get_char((0x56051b6b4f40), _298738)
   Exit: (229) [system] get_char((0x56051b6b4f40), ')')
   Call: (229) [system] _284622=[]
   Exit: (229) [system] []=[]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (228) [system] _8746=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (228) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (227) [system] _8704=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (227) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
   Call: (226) [system] _8696=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
   Exit: (226) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]]
^  Exit: (225) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Exit: (224) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', cde, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], 'A']]])
^  Call: (224) [user] read_list(')', (0x56051b6b4f40), _312620)
^  Call: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _314478)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (226) [system] '\n'=(;)
^  Call: (226) [user] is_like_space('\n')
   Call: (227) [system] char_type('\n', 'white')
   Call: (227) [system] char_type('\n', end_of_line)
   Exit: (227) [system] char_type('\n', end_of_line)
^  Exit: (226) [user] is_like_space('\n')
   Call: (226) [system] get_char((0x56051b6b4f40), _322094)
   Exit: (226) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _324798)
   Exit: (227) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (227) [system] ' '=(;)
^  Call: (227) [user] is_like_space(' ')
   Call: (228) [system] char_type(' ', 'white')
   Exit: (228) [system] char_type(' ', 'white')
^  Exit: (227) [user] is_like_space(' ')
   Call: (227) [system] get_char((0x56051b6b4f40), _331608)
   Exit: (227) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _334312)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (225) [user] skip_spaces((0x56051b6b4f40))
   Call: (225) [system] peek_char((0x56051b6b4f40), _344628)
   Exit: (225) [system] peek_char((0x56051b6b4f40), '(')
   Call: (225) [system] '('=')'
   Call: (225) [system] '('=end_of_file
^  Call: (225) [user] cont_sexpr(')', (0x56051b6b4f40), _348342)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _350200)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=(;)
^  Call: (227) [user] is_like_space('(')
   Call: (228) [system] char_type('(', 'white')
   Call: (228) [system] char_type('(', end_of_line)
   Call: (228) [system] char_type('(', space)
   Call: (228) [system] char_type('(', cntrl)
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] get_char((0x56051b6b4f40), _358668)
   Exit: (226) [system] get_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('='('
   Exit: (226) [system] '('='('
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _348342)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _364238)
   Exit: (228) [system] peek_char((0x56051b6b4f40), :)
   Call: (228) [system] (:)=(;)
^  Call: (228) [user] is_like_space(:)
   Call: (229) [system] char_type(:, 'white')
   Call: (229) [system] char_type(:, end_of_line)
   Call: (229) [system] char_type(:, space)
   Call: (229) [system] char_type(:, cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _372706)
   Exit: (227) [system] peek_char((0x56051b6b4f40), :)
   Call: (227) [system] (:)=')'
   Call: (227) [system] (:)=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _376420)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _378278)
   Exit: (229) [system] peek_char((0x56051b6b4f40), :)
   Call: (229) [system] (:)=(;)
^  Call: (229) [user] is_like_space(:)
   Call: (230) [system] char_type(:, 'white')
   Call: (230) [system] char_type(:, end_of_line)
   Call: (230) [system] char_type(:, space)
   Call: (230) [system] char_type(:, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _386746)
   Exit: (228) [system] get_char((0x56051b6b4f40), :)
   Call: (228) [system] (:)='('
   Call: (228) [system] (:)='['
   Call: (228) [system] (:)='{'
   Call: (228) [system] (:)='"'
   Call: (228) [system] (:)=!
   Call: (228) [system] (:)='\''
   Call: (228) [system] (:)='`'
   Call: (228) [system] (:)=end_of_file
^  Call: (228) [user] read_symbolic(')', (0x56051b6b4f40), :, _376420)
^  Call: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), _396964)
   Call: (230) [system] peek_char((0x56051b6b4f40), _397898)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] is_delimiter(' ')
   Call: (231) [system] char_type(' ', space)
   Exit: (231) [system] char_type(' ', space)
^  Exit: (230) [user] is_delimiter(' ')
   Call: (230) [system] _396964=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (229) [user] classify_and_convert_charseq(:, [], _376420)
^  Call: (231) [system] setup_call_cleanup('$notrace'(_407208, _407210), once(user:catch(read_from_chars([:], _376420), _407184, fail)), '$restore_trace'(_407208, _407210))
^  Call: (232) [system] sig_atomic(system:'$notrace'(_407208, _407210))
^  Exit: (231) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _407184, fail)), system:'$restore_trace'(3, -1))
   Call: (230) [system] atomic(:)
   Exit: (230) [system] atomic(:)
^  Exit: (229) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (228) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _414708)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _416566)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _423376)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _426080)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _435472)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _439186)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _441044)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _449512)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _439186)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _455082)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'=(;)
^  Call: (231) [user] is_like_space('D')
   Call: (232) [system] char_type('D', 'white')
   Call: (232) [system] char_type('D', end_of_line)
   Call: (232) [system] char_type('D', space)
   Call: (232) [system] char_type('D', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _463550)
   Exit: (230) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (230) [system] 'D'=')'
   Call: (230) [system] 'D'=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _467264)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _469122)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (232) [system] 'D'=(;)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _477590)
   Exit: (231) [system] get_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'='('
   Call: (231) [system] 'D'='['
   Call: (231) [system] 'D'='{'
   Call: (231) [system] 'D'='"'
   Call: (231) [system] 'D'=!
   Call: (231) [system] 'D'='\''
   Call: (231) [system] 'D'='`'
   Call: (231) [system] 'D'=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _467264)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _487808)
   Call: (233) [system] peek_char((0x56051b6b4f40), _488742)
   Exit: (233) [system] peek_char((0x56051b6b4f40), i)
^  Call: (233) [user] is_delimiter(i)
   Call: (234) [system] char_type(i, space)
   Call: (234) [system] arg(_492534, v('(', ')', end_of_file), i)
   Call: (233) [system] ')'==i
   Call: (233) [system] get_char((0x56051b6b4f40), i)
   Exit: (233) [system] get_char((0x56051b6b4f40), i)
   Call: (233) [system] i=(\)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _497104)
   Call: (234) [system] peek_char((0x56051b6b4f40), _498038)
   Exit: (234) [system] peek_char((0x56051b6b4f40), s)
^  Call: (234) [user] is_delimiter(s)
   Call: (235) [system] char_type(s, space)
   Call: (235) [system] arg(_501830, v('(', ')', end_of_file), s)
   Call: (234) [system] ')'==s
   Call: (234) [system] get_char((0x56051b6b4f40), s)
   Exit: (234) [system] get_char((0x56051b6b4f40), s)
   Call: (234) [system] s=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _506400)
   Call: (235) [system] peek_char((0x56051b6b4f40), _507334)
   Exit: (235) [system] peek_char((0x56051b6b4f40), j)
^  Call: (235) [user] is_delimiter(j)
   Call: (236) [system] char_type(j, space)
   Call: (236) [system] arg(_511126, v('(', ')', end_of_file), j)
   Call: (235) [system] ')'==j
   Call: (235) [system] get_char((0x56051b6b4f40), j)
   Exit: (235) [system] get_char((0x56051b6b4f40), j)
   Call: (235) [system] j=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _515696)
   Call: (236) [system] peek_char((0x56051b6b4f40), _516630)
   Exit: (236) [system] peek_char((0x56051b6b4f40), u)
^  Call: (236) [user] is_delimiter(u)
   Call: (237) [system] char_type(u, space)
   Call: (237) [system] arg(_520422, v('(', ')', end_of_file), u)
   Call: (236) [system] ')'==u
   Call: (236) [system] get_char((0x56051b6b4f40), u)
   Exit: (236) [system] get_char((0x56051b6b4f40), u)
   Call: (236) [system] u=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _524992)
   Call: (237) [system] peek_char((0x56051b6b4f40), _525926)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_529718, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _534288)
   Call: (238) [system] peek_char((0x56051b6b4f40), _535222)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_539014, v('(', ')', end_of_file), c)
   Call: (238) [system] ')'==c
   Call: (238) [system] get_char((0x56051b6b4f40), c)
   Exit: (238) [system] get_char((0x56051b6b4f40), c)
   Call: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _543584)
   Call: (239) [system] peek_char((0x56051b6b4f40), _544518)
   Exit: (239) [system] peek_char((0x56051b6b4f40), t)
^  Call: (239) [user] is_delimiter(t)
   Call: (240) [system] char_type(t, space)
   Call: (240) [system] arg(_548310, v('(', ')', end_of_file), t)
   Call: (239) [system] ')'==t
   Call: (239) [system] get_char((0x56051b6b4f40), t)
   Exit: (239) [system] get_char((0x56051b6b4f40), t)
   Call: (239) [system] t=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _552880)
   Call: (240) [system] peek_char((0x56051b6b4f40), _553814)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_557606, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _562176)
   Call: (241) [system] peek_char((0x56051b6b4f40), _563110)
   Exit: (241) [system] peek_char((0x56051b6b4f40), o)
^  Call: (241) [user] is_delimiter(o)
   Call: (242) [system] char_type(o, space)
   Call: (242) [system] arg(_566902, v('(', ')', end_of_file), o)
   Call: (241) [system] ')'==o
   Call: (241) [system] get_char((0x56051b6b4f40), o)
   Exit: (241) [system] get_char((0x56051b6b4f40), o)
   Call: (241) [system] o=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _571472)
   Call: (242) [system] peek_char((0x56051b6b4f40), _572406)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_576198, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _580768)
   Call: (243) [system] peek_char((0x56051b6b4f40), _581702)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (243) [user] is_delimiter('I')
   Call: (244) [system] char_type('I', space)
   Call: (244) [system] arg(_585494, v('(', ')', end_of_file), 'I')
   Call: (243) [system] ')'=='I'
   Call: (243) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (243) [system] get_char((0x56051b6b4f40), 'I')
   Call: (243) [system] 'I'=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _590064)
   Call: (244) [system] peek_char((0x56051b6b4f40), _590998)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_594790, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _599360)
   Call: (245) [system] peek_char((0x56051b6b4f40), _600294)
   Exit: (245) [system] peek_char((0x56051b6b4f40), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_604086, v('(', ')', end_of_file), t)
   Call: (245) [system] ')'==t
   Call: (245) [system] get_char((0x56051b6b4f40), t)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _608656)
   Call: (246) [system] peek_char((0x56051b6b4f40), _609590)
   Exit: (246) [system] peek_char((0x56051b6b4f40), r)
^  Call: (246) [user] is_delimiter(r)
   Call: (247) [system] char_type(r, space)
   Call: (247) [system] arg(_613382, v('(', ')', end_of_file), r)
   Call: (246) [system] ')'==r
   Call: (246) [system] get_char((0x56051b6b4f40), r)
   Exit: (246) [system] get_char((0x56051b6b4f40), r)
   Call: (246) [system] r=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _617952)
   Call: (247) [system] peek_char((0x56051b6b4f40), _618886)
   Exit: (247) [system] peek_char((0x56051b6b4f40), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_622678, v('(', ')', end_of_file), o)
   Call: (247) [system] ')'==o
   Call: (247) [system] get_char((0x56051b6b4f40), o)
   Exit: (247) [system] get_char((0x56051b6b4f40), o)
   Call: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _627248)
   Call: (248) [system] peek_char((0x56051b6b4f40), _628182)
   Exit: (248) [system] peek_char((0x56051b6b4f40), d)
^  Call: (248) [user] is_delimiter(d)
   Call: (249) [system] char_type(d, space)
   Call: (249) [system] arg(_631974, v('(', ')', end_of_file), d)
   Call: (248) [system] ')'==d
   Call: (248) [system] get_char((0x56051b6b4f40), d)
   Exit: (248) [system] get_char((0x56051b6b4f40), d)
   Call: (248) [system] d=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _636544)
   Call: (249) [system] peek_char((0x56051b6b4f40), _637478)
   Exit: (249) [system] peek_char((0x56051b6b4f40), u)
^  Call: (249) [user] is_delimiter(u)
   Call: (250) [system] char_type(u, space)
   Call: (250) [system] arg(_641270, v('(', ')', end_of_file), u)
   Call: (249) [system] ')'==u
   Call: (249) [system] get_char((0x56051b6b4f40), u)
   Exit: (249) [system] get_char((0x56051b6b4f40), u)
   Call: (249) [system] u=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _645840)
   Call: (250) [system] peek_char((0x56051b6b4f40), _646774)
   Exit: (250) [system] peek_char((0x56051b6b4f40), c)
^  Call: (250) [user] is_delimiter(c)
   Call: (251) [system] char_type(c, space)
   Call: (251) [system] arg(_650566, v('(', ')', end_of_file), c)
   Call: (250) [system] ')'==c
   Call: (250) [system] get_char((0x56051b6b4f40), c)
   Exit: (250) [system] get_char((0x56051b6b4f40), c)
   Call: (250) [system] c=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _655136)
   Call: (251) [system] peek_char((0x56051b6b4f40), _656070)
   Exit: (251) [system] peek_char((0x56051b6b4f40), t)
^  Call: (251) [user] is_delimiter(t)
   Call: (252) [system] char_type(t, space)
   Call: (252) [system] arg(_659862, v('(', ')', end_of_file), t)
   Call: (251) [system] ')'==t
   Call: (251) [system] get_char((0x56051b6b4f40), t)
   Exit: (251) [system] get_char((0x56051b6b4f40), t)
   Call: (251) [system] t=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _664432)
   Call: (252) [system] peek_char((0x56051b6b4f40), _665366)
   Exit: (252) [system] peek_char((0x56051b6b4f40), i)
^  Call: (252) [user] is_delimiter(i)
   Call: (253) [system] char_type(i, space)
   Call: (253) [system] arg(_669158, v('(', ')', end_of_file), i)
   Call: (252) [system] ')'==i
   Call: (252) [system] get_char((0x56051b6b4f40), i)
   Exit: (252) [system] get_char((0x56051b6b4f40), i)
   Call: (252) [system] i=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _673728)
   Call: (253) [system] peek_char((0x56051b6b4f40), _674662)
   Exit: (253) [system] peek_char((0x56051b6b4f40), o)
^  Call: (253) [user] is_delimiter(o)
   Call: (254) [system] char_type(o, space)
   Call: (254) [system] arg(_678454, v('(', ')', end_of_file), o)
   Call: (253) [system] ')'==o
   Call: (253) [system] get_char((0x56051b6b4f40), o)
   Exit: (253) [system] get_char((0x56051b6b4f40), o)
   Call: (253) [system] o=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _683024)
   Call: (254) [system] peek_char((0x56051b6b4f40), _683958)
   Exit: (254) [system] peek_char((0x56051b6b4f40), n)
^  Call: (254) [user] is_delimiter(n)
   Call: (255) [system] char_type(n, space)
   Call: (255) [system] arg(_687750, v('(', ')', end_of_file), n)
   Call: (254) [system] ')'==n
   Call: (254) [system] get_char((0x56051b6b4f40), n)
   Exit: (254) [system] get_char((0x56051b6b4f40), n)
   Call: (254) [system] n=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _692320)
   Call: (255) [system] peek_char((0x56051b6b4f40), _693254)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (255) [user] is_delimiter(' ')
   Call: (256) [system] char_type(' ', space)
   Exit: (256) [system] char_type(' ', space)
^  Exit: (255) [user] is_delimiter(' ')
   Call: (255) [system] _692320=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (254) [system] _683024=[n]
   Exit: (254) [system] [n]=[n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (253) [system] _673728=[o, n]
   Exit: (253) [system] [o, n]=[o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (252) [system] _664432=[i, o, n]
   Exit: (252) [system] [i, o, n]=[i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (251) [system] _655136=[t, i, o, n]
   Exit: (251) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (250) [system] _645840=[c, t, i, o, n]
   Exit: (250) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (249) [system] _636544=[u, c, t, i, o, n]
   Exit: (249) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (248) [system] _627248=[d, u, c, t, i, o, n]
   Exit: (248) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (247) [system] _617952=[o, d, u, c, t, i, o, n]
   Exit: (247) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (246) [system] _608656=[r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _599360=[t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _590064=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _580768=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _571472=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _562176=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _552880=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _543584=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _534288=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _524992=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _515696=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _506400=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _497104=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (233) [system] _487808=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (233) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (232) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _467264)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_764032, _764034), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _467264), _764008, fail)), '$restore_trace'(_764032, _764034))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_764032, _764034))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _467264), _764008, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(_467264)
   Call: (233) [system] atom_chars(_467264, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (233) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (232) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _772484)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _774342)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _781152)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _783856)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
   Call: (233) [system] a=(;)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _793248)
   Exit: (231) [system] peek_char((0x56051b6b4f40), a)
   Call: (231) [system] a=')'
   Call: (231) [system] a=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _796962)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _798820)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
   Call: (233) [system] a=(;)
^  Call: (233) [user] is_like_space(a)
   Call: (234) [system] char_type(a, 'white')
   Call: (234) [system] char_type(a, end_of_line)
   Call: (234) [system] char_type(a, space)
   Call: (234) [system] char_type(a, cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _807288)
   Exit: (232) [system] get_char((0x56051b6b4f40), a)
   Call: (232) [system] a='('
   Call: (232) [system] a='['
   Call: (232) [system] a='{'
   Call: (232) [system] a='"'
   Call: (232) [system] a=!
   Call: (232) [system] a='\''
   Call: (232) [system] a='`'
   Call: (232) [system] a=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), a, _796962)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _817506)
   Call: (234) [system] peek_char((0x56051b6b4f40), _818440)
   Exit: (234) [system] peek_char((0x56051b6b4f40), b)
^  Call: (234) [user] is_delimiter(b)
   Call: (235) [system] char_type(b, space)
   Call: (235) [system] arg(_822232, v('(', ')', end_of_file), b)
   Call: (234) [system] ')'==b
   Call: (234) [system] get_char((0x56051b6b4f40), b)
   Exit: (234) [system] get_char((0x56051b6b4f40), b)
   Call: (234) [system] b=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _826802)
   Call: (235) [system] peek_char((0x56051b6b4f40), _827736)
   Exit: (235) [system] peek_char((0x56051b6b4f40), c)
^  Call: (235) [user] is_delimiter(c)
   Call: (236) [system] char_type(c, space)
   Call: (236) [system] arg(_831528, v('(', ')', end_of_file), c)
   Call: (235) [system] ')'==c
   Call: (235) [system] get_char((0x56051b6b4f40), c)
   Exit: (235) [system] get_char((0x56051b6b4f40), c)
   Call: (235) [system] c=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _836098)
   Call: (236) [system] peek_char((0x56051b6b4f40), _837032)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _836098=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (235) [system] _826802=[c]
   Exit: (235) [system] [c]=[c]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (234) [system] _817506=[b, c]
   Exit: (234) [system] [b, c]=[b, c]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (233) [user] classify_and_convert_charseq(a, [b, c], _796962)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_851930, _851932), once(user:catch(read_from_chars([a, b, c], _796962), _851906, fail)), '$restore_trace'(_851930, _851932))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_851930, _851932))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _851906, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(abc)
   Exit: (234) [system] atomic(abc)
^  Exit: (233) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _859430)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _861288)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _868098)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _870802)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _880194)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _883908)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _885766)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _894234)
   Exit: (233) [system] get_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _883908)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _899804)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=(;)
^  Call: (235) [user] is_like_space('C')
   Call: (236) [system] char_type('C', 'white')
   Call: (236) [system] char_type('C', end_of_line)
   Call: (236) [system] char_type('C', space)
   Call: (236) [system] char_type('C', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _908272)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (234) [system] 'C'=')'
   Call: (234) [system] 'C'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _911986)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _913844)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (236) [system] 'C'=(;)
^  Call: (236) [user] is_like_space('C')
   Call: (237) [system] char_type('C', 'white')
   Call: (237) [system] char_type('C', end_of_line)
   Call: (237) [system] char_type('C', space)
   Call: (237) [system] char_type('C', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _922312)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'='('
   Call: (235) [system] 'C'='['
   Call: (235) [system] 'C'='{'
   Call: (235) [system] 'C'='"'
   Call: (235) [system] 'C'=!
   Call: (235) [system] 'C'='\''
   Call: (235) [system] 'C'='`'
   Call: (235) [system] 'C'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _911986)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _932530)
   Call: (237) [system] peek_char((0x56051b6b4f40), _933464)
   Exit: (237) [system] peek_char((0x56051b6b4f40), o)
^  Call: (237) [user] is_delimiter(o)
   Call: (238) [system] char_type(o, space)
   Call: (238) [system] arg(_937256, v('(', ')', end_of_file), o)
   Call: (237) [system] ')'==o
   Call: (237) [system] get_char((0x56051b6b4f40), o)
   Exit: (237) [system] get_char((0x56051b6b4f40), o)
   Call: (237) [system] o=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _941826)
   Call: (238) [system] peek_char((0x56051b6b4f40), _942760)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_946552, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _951122)
   Call: (239) [system] peek_char((0x56051b6b4f40), _952056)
   Exit: (239) [system] peek_char((0x56051b6b4f40), j)
^  Call: (239) [user] is_delimiter(j)
   Call: (240) [system] char_type(j, space)
   Call: (240) [system] arg(_955848, v('(', ')', end_of_file), j)
   Call: (239) [system] ')'==j
   Call: (239) [system] get_char((0x56051b6b4f40), j)
   Exit: (239) [system] get_char((0x56051b6b4f40), j)
   Call: (239) [system] j=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _960418)
   Call: (240) [system] peek_char((0x56051b6b4f40), _961352)
   Exit: (240) [system] peek_char((0x56051b6b4f40), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_965144, v('(', ')', end_of_file), u)
   Call: (240) [system] ')'==u
   Call: (240) [system] get_char((0x56051b6b4f40), u)
   Exit: (240) [system] get_char((0x56051b6b4f40), u)
   Call: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _969714)
   Call: (241) [system] peek_char((0x56051b6b4f40), _970648)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_974440, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _979010)
   Call: (242) [system] peek_char((0x56051b6b4f40), _979944)
   Exit: (242) [system] peek_char((0x56051b6b4f40), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_983736, v('(', ')', end_of_file), c)
   Call: (242) [system] ')'==c
   Call: (242) [system] get_char((0x56051b6b4f40), c)
   Exit: (242) [system] get_char((0x56051b6b4f40), c)
   Call: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _988306)
   Call: (243) [system] peek_char((0x56051b6b4f40), _989240)
   Exit: (243) [system] peek_char((0x56051b6b4f40), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_993032, v('(', ')', end_of_file), t)
   Call: (243) [system] ')'==t
   Call: (243) [system] get_char((0x56051b6b4f40), t)
   Exit: (243) [system] get_char((0x56051b6b4f40), t)
   Call: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _997602)
   Call: (244) [system] peek_char((0x56051b6b4f40), _998536)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_1002328, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1006898)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1007832)
   Exit: (245) [system] peek_char((0x56051b6b4f40), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1011624, v('(', ')', end_of_file), o)
   Call: (245) [system] ')'==o
   Call: (245) [system] get_char((0x56051b6b4f40), o)
   Exit: (245) [system] get_char((0x56051b6b4f40), o)
   Call: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1016194)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1017128)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1020920, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1025490)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1026424)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (247) [user] is_delimiter('I')
   Call: (248) [system] char_type('I', space)
   Call: (248) [system] arg(_1030216, v('(', ')', end_of_file), 'I')
   Call: (247) [system] ')'=='I'
   Call: (247) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (247) [system] get_char((0x56051b6b4f40), 'I')
   Call: (247) [system] 'I'=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1034786)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1035720)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_1039512, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1044082)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1045016)
   Exit: (249) [system] peek_char((0x56051b6b4f40), t)
^  Call: (249) [user] is_delimiter(t)
   Call: (250) [system] char_type(t, space)
   Call: (250) [system] arg(_1048808, v('(', ')', end_of_file), t)
   Call: (249) [system] ')'==t
   Call: (249) [system] get_char((0x56051b6b4f40), t)
   Exit: (249) [system] get_char((0x56051b6b4f40), t)
   Call: (249) [system] t=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1053378)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1054312)
   Exit: (250) [system] peek_char((0x56051b6b4f40), r)
^  Call: (250) [user] is_delimiter(r)
   Call: (251) [system] char_type(r, space)
   Call: (251) [system] arg(_1058104, v('(', ')', end_of_file), r)
   Call: (250) [system] ')'==r
   Call: (250) [system] get_char((0x56051b6b4f40), r)
   Exit: (250) [system] get_char((0x56051b6b4f40), r)
   Call: (250) [system] r=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1062674)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1063608)
   Exit: (251) [system] peek_char((0x56051b6b4f40), o)
^  Call: (251) [user] is_delimiter(o)
   Call: (252) [system] char_type(o, space)
   Call: (252) [system] arg(_1067400, v('(', ')', end_of_file), o)
   Call: (251) [system] ')'==o
   Call: (251) [system] get_char((0x56051b6b4f40), o)
   Exit: (251) [system] get_char((0x56051b6b4f40), o)
   Call: (251) [system] o=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1071970)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1072904)
   Exit: (252) [system] peek_char((0x56051b6b4f40), d)
^  Call: (252) [user] is_delimiter(d)
   Call: (253) [system] char_type(d, space)
   Call: (253) [system] arg(_1076696, v('(', ')', end_of_file), d)
   Call: (252) [system] ')'==d
   Call: (252) [system] get_char((0x56051b6b4f40), d)
   Exit: (252) [system] get_char((0x56051b6b4f40), d)
   Call: (252) [system] d=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1081266)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1082200)
   Exit: (253) [system] peek_char((0x56051b6b4f40), u)
^  Call: (253) [user] is_delimiter(u)
   Call: (254) [system] char_type(u, space)
   Call: (254) [system] arg(_1085992, v('(', ')', end_of_file), u)
   Call: (253) [system] ')'==u
   Call: (253) [system] get_char((0x56051b6b4f40), u)
   Exit: (253) [system] get_char((0x56051b6b4f40), u)
   Call: (253) [system] u=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1090562)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1091496)
   Exit: (254) [system] peek_char((0x56051b6b4f40), c)
^  Call: (254) [user] is_delimiter(c)
   Call: (255) [system] char_type(c, space)
   Call: (255) [system] arg(_1095288, v('(', ')', end_of_file), c)
   Call: (254) [system] ')'==c
   Call: (254) [system] get_char((0x56051b6b4f40), c)
   Exit: (254) [system] get_char((0x56051b6b4f40), c)
   Call: (254) [system] c=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1099858)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1100792)
   Exit: (255) [system] peek_char((0x56051b6b4f40), t)
^  Call: (255) [user] is_delimiter(t)
   Call: (256) [system] char_type(t, space)
   Call: (256) [system] arg(_1104584, v('(', ')', end_of_file), t)
   Call: (255) [system] ')'==t
   Call: (255) [system] get_char((0x56051b6b4f40), t)
   Exit: (255) [system] get_char((0x56051b6b4f40), t)
   Call: (255) [system] t=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1109154)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1110088)
   Exit: (256) [system] peek_char((0x56051b6b4f40), i)
^  Call: (256) [user] is_delimiter(i)
   Call: (257) [system] char_type(i, space)
   Call: (257) [system] arg(_1113880, v('(', ')', end_of_file), i)
   Call: (256) [system] ')'==i
   Call: (256) [system] get_char((0x56051b6b4f40), i)
   Exit: (256) [system] get_char((0x56051b6b4f40), i)
   Call: (256) [system] i=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1118450)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1119384)
   Exit: (257) [system] peek_char((0x56051b6b4f40), o)
^  Call: (257) [user] is_delimiter(o)
   Call: (258) [system] char_type(o, space)
   Call: (258) [system] arg(_1123176, v('(', ')', end_of_file), o)
   Call: (257) [system] ')'==o
   Call: (257) [system] get_char((0x56051b6b4f40), o)
   Exit: (257) [system] get_char((0x56051b6b4f40), o)
   Call: (257) [system] o=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1127746)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1128680)
   Exit: (258) [system] peek_char((0x56051b6b4f40), n)
^  Call: (258) [user] is_delimiter(n)
   Call: (259) [system] char_type(n, space)
   Call: (259) [system] arg(_1132472, v('(', ')', end_of_file), n)
   Call: (258) [system] ')'==n
   Call: (258) [system] get_char((0x56051b6b4f40), n)
   Exit: (258) [system] get_char((0x56051b6b4f40), n)
   Call: (258) [system] n=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1137042)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1137976)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (259) [user] is_delimiter(' ')
   Call: (260) [system] char_type(' ', space)
   Exit: (260) [system] char_type(' ', space)
^  Exit: (259) [user] is_delimiter(' ')
   Call: (259) [system] _1137042=[]
   Exit: (259) [system] []=[]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (258) [system] _1127746=[n]
   Exit: (258) [system] [n]=[n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (257) [system] _1118450=[o, n]
   Exit: (257) [system] [o, n]=[o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (256) [system] _1109154=[i, o, n]
   Exit: (256) [system] [i, o, n]=[i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (255) [system] _1099858=[t, i, o, n]
   Exit: (255) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (254) [system] _1090562=[c, t, i, o, n]
   Exit: (254) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (253) [system] _1081266=[u, c, t, i, o, n]
   Exit: (253) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (252) [system] _1071970=[d, u, c, t, i, o, n]
   Exit: (252) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (251) [system] _1062674=[o, d, u, c, t, i, o, n]
   Exit: (251) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (250) [system] _1053378=[r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _1044082=[t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _1034786=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _1025490=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _1016194=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1006898=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _997602=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _988306=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _979010=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _969714=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _960418=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _951122=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _941826=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _932530=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (236) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _911986)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1208754, _1208756), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _911986), _1208730, fail)), '$restore_trace'(_1208754, _1208756))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1208754, _1208756))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _911986), _1208730, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_911986)
   Call: (237) [system] atom_chars(_911986, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (237) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (236) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1217206)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1219064)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _1225874)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1228578)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
   Call: (237) [system] a=(;)
^  Call: (237) [user] is_like_space(a)
   Call: (238) [system] char_type(a, 'white')
   Call: (238) [system] char_type(a, end_of_line)
   Call: (238) [system] char_type(a, space)
   Call: (238) [system] char_type(a, cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1237970)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
   Call: (235) [system] a=')'
   Call: (235) [system] a=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1241684)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1243542)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
   Call: (237) [system] a=(;)
^  Call: (237) [user] is_like_space(a)
   Call: (238) [system] char_type(a, 'white')
   Call: (238) [system] char_type(a, end_of_line)
   Call: (238) [system] char_type(a, space)
   Call: (238) [system] char_type(a, cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1252010)
   Exit: (236) [system] get_char((0x56051b6b4f40), a)
   Call: (236) [system] a='('
   Call: (236) [system] a='['
   Call: (236) [system] a='{'
   Call: (236) [system] a='"'
   Call: (236) [system] a=!
   Call: (236) [system] a='\''
   Call: (236) [system] a='`'
   Call: (236) [system] a=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), a, _1241684)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1262228)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1263162)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1262228=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (237) [user] classify_and_convert_charseq(a, [], _1241684)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1272472, _1272474), once(user:catch(read_from_chars([a], _1241684), _1272448, fail)), '$restore_trace'(_1272472, _1272474))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1272472, _1272474))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1272448, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(a)
   Exit: (238) [system] atomic(a)
^  Exit: (237) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1279972)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1281830)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _1288640)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1291344)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
   Call: (238) [system] a=(;)
^  Call: (238) [user] is_like_space(a)
   Call: (239) [system] char_type(a, 'white')
   Call: (239) [system] char_type(a, end_of_line)
   Call: (239) [system] char_type(a, space)
   Call: (239) [system] char_type(a, cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1300736)
   Exit: (236) [system] peek_char((0x56051b6b4f40), a)
   Call: (236) [system] a=')'
   Call: (236) [system] a=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1304450)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1306308)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
   Call: (238) [system] a=(;)
^  Call: (238) [user] is_like_space(a)
   Call: (239) [system] char_type(a, 'white')
   Call: (239) [system] char_type(a, end_of_line)
   Call: (239) [system] char_type(a, space)
   Call: (239) [system] char_type(a, cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1314776)
   Exit: (237) [system] get_char((0x56051b6b4f40), a)
   Call: (237) [system] a='('
   Call: (237) [system] a='['
   Call: (237) [system] a='{'
   Call: (237) [system] a='"'
   Call: (237) [system] a=!
   Call: (237) [system] a='\''
   Call: (237) [system] a='`'
   Call: (237) [system] a=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), a, _1304450)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1324994)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1325928)
   Exit: (239) [system] peek_char((0x56051b6b4f40), b)
^  Call: (239) [user] is_delimiter(b)
   Call: (240) [system] char_type(b, space)
   Call: (240) [system] arg(_1329720, v('(', ')', end_of_file), b)
   Call: (239) [system] ')'==b
   Call: (239) [system] get_char((0x56051b6b4f40), b)
   Exit: (239) [system] get_char((0x56051b6b4f40), b)
   Call: (239) [system] b=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1334290)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1335224)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_1339016, v('(', ')', end_of_file), c)
   Call: (240) [system] ')'==c
   Call: (240) [system] get_char((0x56051b6b4f40), c)
   Exit: (240) [system] get_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1343586)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1344520)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (241) [user] is_delimiter(')')
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] arg(_1348312, v('(', ')', end_of_file), ')')
   Exit: (242) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (241) [user] is_delimiter(')')
   Call: (241) [system] _1343586=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _1334290=[c]
   Exit: (240) [system] [c]=[c]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (239) [system] _1324994=[b, c]
   Exit: (239) [system] [b, c]=[b, c]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (238) [user] classify_and_convert_charseq(a, [b, c], _1304450)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_1360362, _1360364), once(user:catch(read_from_chars([a, b, c], _1304450), _1360338, fail)), '$restore_trace'(_1360362, _1360364))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_1360362, _1360364))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1360338, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(abc)
   Exit: (239) [system] atomic(abc)
^  Exit: (238) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1367862)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1369720)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1378188)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x56051b6b4f40), _1381978)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] _1367862=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1279972=[abc]
   Exit: (236) [system] [abc]=[abc]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (235) [system] _1217206=[a, abc]
   Exit: (235) [system] [a, abc]=[a, abc]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [a, abc])
   Call: (234) [system] _883908=['ConjunctionIntroduction', a, abc]
   Exit: (234) [system] ['ConjunctionIntroduction', a, abc]=['ConjunctionIntroduction', a, abc]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, abc])
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, abc])
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1395860)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1397718)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1406186)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _1409976)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _1395860=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _859430=[['ConjunctionIntroduction', a, abc]]
   Exit: (232) [system] [['ConjunctionIntroduction', a, abc]]=[['ConjunctionIntroduction', a, abc]]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, abc]])
   Call: (231) [system] _772484=[abc, ['ConjunctionIntroduction', a, abc]]
   Exit: (231) [system] [abc, ['ConjunctionIntroduction', a, abc]]=[abc, ['ConjunctionIntroduction', a, abc]]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', a, abc]])
   Call: (230) [system] _439186=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]]
   Exit: (230) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1423858)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1425716)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1432526)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1435230)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1444622)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1448336)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1450194)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1458662)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1448336)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1464232)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (232) [system] 'O'=(;)
^  Call: (232) [user] is_like_space('O')
   Call: (233) [system] char_type('O', 'white')
   Call: (233) [system] char_type('O', end_of_line)
   Call: (233) [system] char_type('O', space)
   Call: (233) [system] char_type('O', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1472700)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (231) [system] 'O'=')'
   Call: (231) [system] 'O'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1476414)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1478272)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (233) [system] 'O'=(;)
^  Call: (233) [user] is_like_space('O')
   Call: (234) [system] char_type('O', 'white')
   Call: (234) [system] char_type('O', end_of_line)
   Call: (234) [system] char_type('O', space)
   Call: (234) [system] char_type('O', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1486740)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'O')
   Call: (232) [system] 'O'='('
   Call: (232) [system] 'O'='['
   Call: (232) [system] 'O'='{'
   Call: (232) [system] 'O'='"'
   Call: (232) [system] 'O'=!
   Call: (232) [system] 'O'='\''
   Call: (232) [system] 'O'='`'
   Call: (232) [system] 'O'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1476414)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1496958)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1497892)
   Exit: (234) [system] peek_char((0x56051b6b4f40), r)
^  Call: (234) [user] is_delimiter(r)
   Call: (235) [system] char_type(r, space)
   Call: (235) [system] arg(_1501684, v('(', ')', end_of_file), r)
   Call: (234) [system] ')'==r
   Call: (234) [system] get_char((0x56051b6b4f40), r)
   Exit: (234) [system] get_char((0x56051b6b4f40), r)
   Call: (234) [system] r=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1506254)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1507188)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (235) [user] is_delimiter('L')
   Call: (236) [system] char_type('L', space)
   Call: (236) [system] arg(_1510980, v('(', ')', end_of_file), 'L')
   Call: (235) [system] ')'=='L'
   Call: (235) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (235) [system] get_char((0x56051b6b4f40), 'L')
   Call: (235) [system] 'L'=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1515550)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1516484)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_1520276, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1524846)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1525780)
   Exit: (237) [system] peek_char((0x56051b6b4f40), n)
^  Call: (237) [user] is_delimiter(n)
   Call: (238) [system] char_type(n, space)
   Call: (238) [system] arg(_1529572, v('(', ')', end_of_file), n)
   Call: (237) [system] ')'==n
   Call: (237) [system] get_char((0x56051b6b4f40), n)
   Exit: (237) [system] get_char((0x56051b6b4f40), n)
   Call: (237) [system] n=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1534142)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1535076)
   Exit: (238) [system] peek_char((0x56051b6b4f40), k)
^  Call: (238) [user] is_delimiter(k)
   Call: (239) [system] char_type(k, space)
   Call: (239) [system] arg(_1538868, v('(', ')', end_of_file), k)
   Call: (238) [system] ')'==k
   Call: (238) [system] get_char((0x56051b6b4f40), k)
   Exit: (238) [system] get_char((0x56051b6b4f40), k)
   Call: (238) [system] k=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1543438)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1544372)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1543438=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _1534142=[k]
   Exit: (238) [system] [k]=[k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (237) [system] _1524846=[n, k]
   Exit: (237) [system] [n, k]=[n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (236) [system] _1515550=[i, n, k]
   Exit: (236) [system] [i, n, k]=[i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (235) [system] _1506254=['L', i, n, k]
   Exit: (235) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (234) [system] _1496958=[r, 'L', i, n, k]
   Exit: (234) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (233) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1476414)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1567652, _1567654), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1476414), _1567628, fail)), '$restore_trace'(_1567652, _1567654))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1567652, _1567654))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1476414), _1567628, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1476414)
   Call: (234) [system] atom_chars(_1476414, ['O', r, 'L', i, n, k])
   Exit: (234) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (233) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1576104)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1577962)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1584772)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1587476)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1596868)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1600582)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1602440)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1610908)
   Exit: (233) [system] get_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1600582)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1616478)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'=(;)
^  Call: (235) [user] is_like_space('I')
   Call: (236) [system] char_type('I', 'white')
   Call: (236) [system] char_type('I', end_of_line)
   Call: (236) [system] char_type('I', space)
   Call: (236) [system] char_type('I', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1624946)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (234) [system] 'I'=')'
   Call: (234) [system] 'I'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1628660)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1630518)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'=(;)
^  Call: (236) [user] is_like_space('I')
   Call: (237) [system] char_type('I', 'white')
   Call: (237) [system] char_type('I', end_of_line)
   Call: (237) [system] char_type('I', space)
   Call: (237) [system] char_type('I', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1638986)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'='('
   Call: (235) [system] 'I'='['
   Call: (235) [system] 'I'='{'
   Call: (235) [system] 'I'='"'
   Call: (235) [system] 'I'=!
   Call: (235) [system] 'I'='\''
   Call: (235) [system] 'I'='`'
   Call: (235) [system] 'I'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1628660)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1649204)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1650138)
   Exit: (237) [system] peek_char((0x56051b6b4f40), m)
^  Call: (237) [user] is_delimiter(m)
   Call: (238) [system] char_type(m, space)
   Call: (238) [system] arg(_1653930, v('(', ')', end_of_file), m)
   Call: (237) [system] ')'==m
   Call: (237) [system] get_char((0x56051b6b4f40), m)
   Exit: (237) [system] get_char((0x56051b6b4f40), m)
   Call: (237) [system] m=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1658500)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1659434)
   Exit: (238) [system] peek_char((0x56051b6b4f40), p)
^  Call: (238) [user] is_delimiter(p)
   Call: (239) [system] char_type(p, space)
   Call: (239) [system] arg(_1663226, v('(', ')', end_of_file), p)
   Call: (238) [system] ')'==p
   Call: (238) [system] get_char((0x56051b6b4f40), p)
   Exit: (238) [system] get_char((0x56051b6b4f40), p)
   Call: (238) [system] p=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1667796)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1668730)
   Exit: (239) [system] peek_char((0x56051b6b4f40), l)
^  Call: (239) [user] is_delimiter(l)
   Call: (240) [system] char_type(l, space)
   Call: (240) [system] arg(_1672522, v('(', ')', end_of_file), l)
   Call: (239) [system] ')'==l
   Call: (239) [system] get_char((0x56051b6b4f40), l)
   Exit: (239) [system] get_char((0x56051b6b4f40), l)
   Call: (239) [system] l=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1677092)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1678026)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_1681818, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1686388)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1687322)
   Exit: (241) [system] peek_char((0x56051b6b4f40), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_1691114, v('(', ')', end_of_file), c)
   Call: (241) [system] ')'==c
   Call: (241) [system] get_char((0x56051b6b4f40), c)
   Exit: (241) [system] get_char((0x56051b6b4f40), c)
   Call: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1695684)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1696618)
   Exit: (242) [system] peek_char((0x56051b6b4f40), a)
^  Call: (242) [user] is_delimiter(a)
   Call: (243) [system] char_type(a, space)
   Call: (243) [system] arg(_1700410, v('(', ')', end_of_file), a)
   Call: (242) [system] ')'==a
   Call: (242) [system] get_char((0x56051b6b4f40), a)
   Exit: (242) [system] get_char((0x56051b6b4f40), a)
   Call: (242) [system] a=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1704980)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1705914)
   Exit: (243) [system] peek_char((0x56051b6b4f40), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_1709706, v('(', ')', end_of_file), t)
   Call: (243) [system] ')'==t
   Call: (243) [system] get_char((0x56051b6b4f40), t)
   Exit: (243) [system] get_char((0x56051b6b4f40), t)
   Call: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1714276)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1715210)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_1719002, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1723572)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1724506)
   Exit: (245) [system] peek_char((0x56051b6b4f40), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_1728298, v('(', ')', end_of_file), o)
   Call: (245) [system] ')'==o
   Call: (245) [system] get_char((0x56051b6b4f40), o)
   Exit: (245) [system] get_char((0x56051b6b4f40), o)
   Call: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1732868)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1733802)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1737594, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1742164)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1743098)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1742164=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (246) [system] _1732868=[n]
   Exit: (246) [system] [n]=[n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (245) [system] _1723572=[o, n]
   Exit: (245) [system] [o, n]=[o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (244) [system] _1714276=[i, o, n]
   Exit: (244) [system] [i, o, n]=[i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (243) [system] _1704980=[t, i, o, n]
   Exit: (243) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (242) [system] _1695684=[a, t, i, o, n]
   Exit: (242) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (241) [system] _1686388=[c, a, t, i, o, n]
   Exit: (241) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (240) [system] _1677092=[i, c, a, t, i, o, n]
   Exit: (240) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (239) [system] _1667796=[l, i, c, a, t, i, o, n]
   Exit: (239) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (238) [system] _1658500=[p, l, i, c, a, t, i, o, n]
   Exit: (238) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (237) [system] _1649204=[m, p, l, i, c, a, t, i, o, n]
   Exit: (237) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (236) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1628660)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1780348, _1780350), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1628660), _1780324, fail)), '$restore_trace'(_1780348, _1780350))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1780348, _1780350))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1628660), _1780324, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_1628660)
   Call: (237) [system] atom_chars(_1628660, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (237) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (236) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1788800)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1790658)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _1797468)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1800172)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1809564)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=')'
   Call: (235) [system] '('=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1813278)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1815136)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1823604)
   Exit: (236) [system] get_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('='('
   Exit: (236) [system] '('='('
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1813278)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1829174)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=(;)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1837642)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=')'
   Call: (237) [system] 'A'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1841356)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1843214)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=(;)
^  Call: (239) [user] is_like_space('A')
   Call: (240) [system] char_type('A', 'white')
   Call: (240) [system] char_type('A', end_of_line)
   Call: (240) [system] char_type('A', space)
   Call: (240) [system] char_type('A', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1851682)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'='('
   Call: (238) [system] 'A'='['
   Call: (238) [system] 'A'='{'
   Call: (238) [system] 'A'='"'
   Call: (238) [system] 'A'=!
   Call: (238) [system] 'A'='\''
   Call: (238) [system] 'A'='`'
   Call: (238) [system] 'A'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1841356)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1861900)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1862834)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1866626, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1871196)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1872130)
   Exit: (241) [system] peek_char((0x56051b6b4f40), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_1875922, v('(', ')', end_of_file), d)
   Call: (241) [system] ')'==d
   Call: (241) [system] get_char((0x56051b6b4f40), d)
   Exit: (241) [system] get_char((0x56051b6b4f40), d)
   Call: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1880492)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1881426)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (242) [user] is_delimiter('L')
   Call: (243) [system] char_type('L', space)
   Call: (243) [system] arg(_1885218, v('(', ')', end_of_file), 'L')
   Call: (242) [system] ')'=='L'
   Call: (242) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (242) [system] get_char((0x56051b6b4f40), 'L')
   Call: (242) [system] 'L'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1889788)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1890722)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1894514, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1899084)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1900018)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1903810, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1908380)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1909314)
   Exit: (245) [system] peek_char((0x56051b6b4f40), k)
^  Call: (245) [user] is_delimiter(k)
   Call: (246) [system] char_type(k, space)
   Call: (246) [system] arg(_1913106, v('(', ')', end_of_file), k)
   Call: (245) [system] ')'==k
   Call: (245) [system] get_char((0x56051b6b4f40), k)
   Exit: (245) [system] get_char((0x56051b6b4f40), k)
   Call: (245) [system] k=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1917676)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1918610)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1917676=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (245) [system] _1908380=[k]
   Exit: (245) [system] [k]=[k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (244) [system] _1899084=[n, k]
   Exit: (244) [system] [n, k]=[n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (243) [system] _1889788=[i, n, k]
   Exit: (243) [system] [i, n, k]=[i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (242) [system] _1880492=['L', i, n, k]
   Exit: (242) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (241) [system] _1871196=[d, 'L', i, n, k]
   Exit: (241) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (240) [system] _1861900=[n, d, 'L', i, n, k]
   Exit: (240) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (239) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1841356)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1944684, _1944686), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1841356), _1944660, fail)), '$restore_trace'(_1944684, _1944686))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1944684, _1944686))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1841356), _1944660, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1841356)
   Call: (240) [system] atom_chars(_1841356, ['A', n, d, 'L', i, n, k])
   Exit: (240) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (239) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1953136)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1954994)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _1961804)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1964508)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=(;)
^  Call: (240) [user] is_like_space('A')
   Call: (241) [system] char_type('A', 'white')
   Call: (241) [system] char_type('A', end_of_line)
   Call: (241) [system] char_type('A', space)
   Call: (241) [system] char_type('A', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1973900)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=')'
   Call: (238) [system] 'A'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1977614)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1979472)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=(;)
^  Call: (240) [user] is_like_space('A')
   Call: (241) [system] char_type('A', 'white')
   Call: (241) [system] char_type('A', end_of_line)
   Call: (241) [system] char_type('A', space)
   Call: (241) [system] char_type('A', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1987940)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'='('
   Call: (239) [system] 'A'='['
   Call: (239) [system] 'A'='{'
   Call: (239) [system] 'A'='"'
   Call: (239) [system] 'A'=!
   Call: (239) [system] 'A'='\''
   Call: (239) [system] 'A'='`'
   Call: (239) [system] 'A'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1977614)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1998158)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1999092)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1998158=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq('A', [], _1977614)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_2008402, _2008404), once(user:catch(read_from_chars(['A'], _1977614), _2008378, fail)), '$restore_trace'(_2008402, _2008404))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_2008402, _2008404))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1977614), _2008378, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1977614)
   Call: (241) [system] atom_chars(_1977614, ['A'])
   Exit: (241) [system] atom_chars('A', ['A'])
^  Exit: (240) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _2016854)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _2018712)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _2025522)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _2028226)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (241) [system] 'B'=(;)
^  Call: (241) [user] is_like_space('B')
   Call: (242) [system] char_type('B', 'white')
   Call: (242) [system] char_type('B', end_of_line)
   Call: (242) [system] char_type('B', space)
   Call: (242) [system] char_type('B', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2037618)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (239) [system] 'B'=')'
   Call: (239) [system] 'B'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _2041332)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _2043190)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (241) [system] 'B'=(;)
^  Call: (241) [user] is_like_space('B')
   Call: (242) [system] char_type('B', 'white')
   Call: (242) [system] char_type('B', end_of_line)
   Call: (242) [system] char_type('B', space)
   Call: (242) [system] char_type('B', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _2051658)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'='('
   Call: (240) [system] 'B'='['
   Call: (240) [system] 'B'='{'
   Call: (240) [system] 'B'='"'
   Call: (240) [system] 'B'=!
   Call: (240) [system] 'B'='\''
   Call: (240) [system] 'B'='`'
   Call: (240) [system] 'B'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _2041332)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2061876)
   Call: (242) [system] peek_char((0x56051b6b4f40), _2062810)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (242) [user] is_delimiter(')')
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] arg(_2066602, v('(', ')', end_of_file), ')')
   Exit: (243) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (242) [user] is_delimiter(')')
   Call: (242) [system] _2061876=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq('B', [], _2041332)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_2073064, _2073066), once(user:catch(read_from_chars(['B'], _2041332), _2073040, fail)), '$restore_trace'(_2073064, _2073066))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_2073064, _2073066))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2041332), _2073040, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_2041332)
   Call: (242) [system] atom_chars(_2041332, ['B'])
   Exit: (242) [system] atom_chars('B', ['B'])
^  Exit: (241) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _2081516)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _2083374)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=(;)
^  Call: (241) [user] is_like_space(')')
   Call: (242) [system] char_type(')', 'white')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] char_type(')', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _2091842)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=')'
   Exit: (240) [system] ')'=')'
   Call: (240) [system] get_char((0x56051b6b4f40), _2095632)
   Exit: (240) [system] get_char((0x56051b6b4f40), ')')
   Call: (240) [system] _8962=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (239) [system] _8956=['B']
   Exit: (239) [system] ['B']=['B']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (238) [system] _8950=['A', 'B']
   Exit: (238) [system] ['A', 'B']=['A', 'B']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (237) [system] _8942=['AndLink', 'A', 'B']
   Exit: (237) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _21668)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _23526)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _30336)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _33040)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'=(;)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _42432)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (236) [system] 'C'=')'
   Call: (236) [system] 'C'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _46146)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _48004)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'=(;)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _56472)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'='('
   Call: (237) [system] 'C'='['
   Call: (237) [system] 'C'='{'
   Call: (237) [system] 'C'='"'
   Call: (237) [system] 'C'=!
   Call: (237) [system] 'C'='\''
   Call: (237) [system] 'C'='`'
   Call: (237) [system] 'C'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _46146)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _66690)
   Call: (239) [system] peek_char((0x56051b6b4f40), _67624)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (239) [user] is_delimiter(')')
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] arg(_71416, v('(', ')', end_of_file), ')')
   Exit: (240) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (239) [user] is_delimiter(')')
   Call: (239) [system] _66690=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq('C', [], _46146)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_77878, _77880), once(user:catch(read_from_chars(['C'], _46146), _77854, fail)), '$restore_trace'(_77878, _77880))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_77878, _77880))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _46146), _77854, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_46146)
   Call: (239) [system] atom_chars(_46146, ['C'])
   Exit: (239) [system] atom_chars('C', ['C'])
^  Exit: (238) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _86330)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _88188)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _96656)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x56051b6b4f40), _100446)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] _86330=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (236) [system] _21668=['C']
   Exit: (236) [system] ['C']=['C']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (235) [system] _8938=[['AndLink', 'A', 'B'], 'C']
   Exit: (235) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (234) [system] _8930=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (234) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _114328)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _116186)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _122996)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _125700)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _135092)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _138806)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _140664)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _149132)
   Exit: (234) [system] get_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _138806)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _154702)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=(;)
^  Call: (236) [user] is_like_space('A')
   Call: (237) [system] char_type('A', 'white')
   Call: (237) [system] char_type('A', end_of_line)
   Call: (237) [system] char_type('A', space)
   Call: (237) [system] char_type('A', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _163170)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (235) [system] 'A'=')'
   Call: (235) [system] 'A'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _166884)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _168742)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _177210)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'='('
   Call: (236) [system] 'A'='['
   Call: (236) [system] 'A'='{'
   Call: (236) [system] 'A'='"'
   Call: (236) [system] 'A'=!
   Call: (236) [system] 'A'='\''
   Call: (236) [system] 'A'='`'
   Call: (236) [system] 'A'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _166884)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _187428)
   Call: (238) [system] peek_char((0x56051b6b4f40), _188362)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_192154, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _196724)
   Call: (239) [system] peek_char((0x56051b6b4f40), _197658)
   Exit: (239) [system] peek_char((0x56051b6b4f40), d)
^  Call: (239) [user] is_delimiter(d)
   Call: (240) [system] char_type(d, space)
   Call: (240) [system] arg(_201450, v('(', ')', end_of_file), d)
   Call: (239) [system] ')'==d
   Call: (239) [system] get_char((0x56051b6b4f40), d)
   Exit: (239) [system] get_char((0x56051b6b4f40), d)
   Call: (239) [system] d=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _206020)
   Call: (240) [system] peek_char((0x56051b6b4f40), _206954)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (240) [user] is_delimiter('L')
   Call: (241) [system] char_type('L', space)
   Call: (241) [system] arg(_210746, v('(', ')', end_of_file), 'L')
   Call: (240) [system] ')'=='L'
   Call: (240) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (240) [system] get_char((0x56051b6b4f40), 'L')
   Call: (240) [system] 'L'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _215316)
   Call: (241) [system] peek_char((0x56051b6b4f40), _216250)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_220042, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _224612)
   Call: (242) [system] peek_char((0x56051b6b4f40), _225546)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_229338, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _233908)
   Call: (243) [system] peek_char((0x56051b6b4f40), _234842)
   Exit: (243) [system] peek_char((0x56051b6b4f40), k)
^  Call: (243) [user] is_delimiter(k)
   Call: (244) [system] char_type(k, space)
   Call: (244) [system] arg(_238634, v('(', ')', end_of_file), k)
   Call: (243) [system] ')'==k
   Call: (243) [system] get_char((0x56051b6b4f40), k)
   Exit: (243) [system] get_char((0x56051b6b4f40), k)
   Call: (243) [system] k=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _243204)
   Call: (244) [system] peek_char((0x56051b6b4f40), _244138)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _243204=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (243) [system] _233908=[k]
   Exit: (243) [system] [k]=[k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (242) [system] _224612=[n, k]
   Exit: (242) [system] [n, k]=[n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (241) [system] _215316=[i, n, k]
   Exit: (241) [system] [i, n, k]=[i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (240) [system] _206020=['L', i, n, k]
   Exit: (240) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (239) [system] _196724=[d, 'L', i, n, k]
   Exit: (239) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (238) [system] _187428=[n, d, 'L', i, n, k]
   Exit: (238) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (237) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _166884)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_270212, _270214), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _166884), _270188, fail)), '$restore_trace'(_270212, _270214))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_270212, _270214))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _166884), _270188, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_166884)
   Call: (238) [system] atom_chars(_166884, ['A', n, d, 'L', i, n, k])
   Exit: (238) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (237) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _278664)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _280522)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _287332)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _290036)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=(;)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _299428)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=')'
   Call: (236) [system] 'A'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _303142)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _305000)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=(;)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _313468)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'='('
   Call: (237) [system] 'A'='['
   Call: (237) [system] 'A'='{'
   Call: (237) [system] 'A'='"'
   Call: (237) [system] 'A'=!
   Call: (237) [system] 'A'='\''
   Call: (237) [system] 'A'='`'
   Call: (237) [system] 'A'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _303142)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _323686)
   Call: (239) [system] peek_char((0x56051b6b4f40), _324620)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _323686=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq('A', [], _303142)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_333930, _333932), once(user:catch(read_from_chars(['A'], _303142), _333906, fail)), '$restore_trace'(_333930, _333932))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_333930, _333932))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _303142), _333906, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_303142)
   Call: (239) [system] atom_chars(_303142, ['A'])
   Exit: (239) [system] atom_chars('A', ['A'])
^  Exit: (238) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _342382)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _344240)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _351050)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _353754)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _363146)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=')'
   Call: (237) [system] '('=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _366860)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _368718)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _377186)
   Exit: (238) [system] get_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('='('
   Exit: (238) [system] '('='('
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _366860)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _382756)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (240) [system] 'I'=(;)
^  Call: (240) [user] is_like_space('I')
   Call: (241) [system] char_type('I', 'white')
   Call: (241) [system] char_type('I', end_of_line)
   Call: (241) [system] char_type('I', space)
   Call: (241) [system] char_type('I', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _391224)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (239) [system] 'I'=')'
   Call: (239) [system] 'I'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _394938)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _396796)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (241) [system] 'I'=(;)
^  Call: (241) [user] is_like_space('I')
   Call: (242) [system] char_type('I', 'white')
   Call: (242) [system] char_type('I', end_of_line)
   Call: (242) [system] char_type('I', space)
   Call: (242) [system] char_type('I', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _405264)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'I')
   Call: (240) [system] 'I'='('
   Call: (240) [system] 'I'='['
   Call: (240) [system] 'I'='{'
   Call: (240) [system] 'I'='"'
   Call: (240) [system] 'I'=!
   Call: (240) [system] 'I'='\''
   Call: (240) [system] 'I'='`'
   Call: (240) [system] 'I'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _394938)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _415482)
   Call: (242) [system] peek_char((0x56051b6b4f40), _416416)
   Exit: (242) [system] peek_char((0x56051b6b4f40), m)
^  Call: (242) [user] is_delimiter(m)
   Call: (243) [system] char_type(m, space)
   Call: (243) [system] arg(_420208, v('(', ')', end_of_file), m)
   Call: (242) [system] ')'==m
   Call: (242) [system] get_char((0x56051b6b4f40), m)
   Exit: (242) [system] get_char((0x56051b6b4f40), m)
   Call: (242) [system] m=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _424778)
   Call: (243) [system] peek_char((0x56051b6b4f40), _425712)
   Exit: (243) [system] peek_char((0x56051b6b4f40), p)
^  Call: (243) [user] is_delimiter(p)
   Call: (244) [system] char_type(p, space)
   Call: (244) [system] arg(_429504, v('(', ')', end_of_file), p)
   Call: (243) [system] ')'==p
   Call: (243) [system] get_char((0x56051b6b4f40), p)
   Exit: (243) [system] get_char((0x56051b6b4f40), p)
   Call: (243) [system] p=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _434074)
   Call: (244) [system] peek_char((0x56051b6b4f40), _435008)
   Exit: (244) [system] peek_char((0x56051b6b4f40), l)
^  Call: (244) [user] is_delimiter(l)
   Call: (245) [system] char_type(l, space)
   Call: (245) [system] arg(_438800, v('(', ')', end_of_file), l)
   Call: (244) [system] ')'==l
   Call: (244) [system] get_char((0x56051b6b4f40), l)
   Exit: (244) [system] get_char((0x56051b6b4f40), l)
   Call: (244) [system] l=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _443370)
   Call: (245) [system] peek_char((0x56051b6b4f40), _444304)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_448096, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _452666)
   Call: (246) [system] peek_char((0x56051b6b4f40), _453600)
   Exit: (246) [system] peek_char((0x56051b6b4f40), c)
^  Call: (246) [user] is_delimiter(c)
   Call: (247) [system] char_type(c, space)
   Call: (247) [system] arg(_457392, v('(', ')', end_of_file), c)
   Call: (246) [system] ')'==c
   Call: (246) [system] get_char((0x56051b6b4f40), c)
   Exit: (246) [system] get_char((0x56051b6b4f40), c)
   Call: (246) [system] c=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _461962)
   Call: (247) [system] peek_char((0x56051b6b4f40), _462896)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
^  Call: (247) [user] is_delimiter(a)
   Call: (248) [system] char_type(a, space)
   Call: (248) [system] arg(_466688, v('(', ')', end_of_file), a)
   Call: (247) [system] ')'==a
   Call: (247) [system] get_char((0x56051b6b4f40), a)
   Exit: (247) [system] get_char((0x56051b6b4f40), a)
   Call: (247) [system] a=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _471258)
   Call: (248) [system] peek_char((0x56051b6b4f40), _472192)
   Exit: (248) [system] peek_char((0x56051b6b4f40), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_475984, v('(', ')', end_of_file), t)
   Call: (248) [system] ')'==t
   Call: (248) [system] get_char((0x56051b6b4f40), t)
   Exit: (248) [system] get_char((0x56051b6b4f40), t)
   Call: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _480554)
   Call: (249) [system] peek_char((0x56051b6b4f40), _481488)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_485280, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _489850)
   Call: (250) [system] peek_char((0x56051b6b4f40), _490784)
   Exit: (250) [system] peek_char((0x56051b6b4f40), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_494576, v('(', ')', end_of_file), o)
   Call: (250) [system] ')'==o
   Call: (250) [system] get_char((0x56051b6b4f40), o)
   Exit: (250) [system] get_char((0x56051b6b4f40), o)
   Call: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _499146)
   Call: (251) [system] peek_char((0x56051b6b4f40), _500080)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_503872, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _508442)
   Call: (252) [system] peek_char((0x56051b6b4f40), _509376)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _508442=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (251) [system] _499146=[n]
   Exit: (251) [system] [n]=[n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (250) [system] _489850=[o, n]
   Exit: (250) [system] [o, n]=[o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (249) [system] _480554=[i, o, n]
   Exit: (249) [system] [i, o, n]=[i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (248) [system] _471258=[t, i, o, n]
   Exit: (248) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (247) [system] _461962=[a, t, i, o, n]
   Exit: (247) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (246) [system] _452666=[c, a, t, i, o, n]
   Exit: (246) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (245) [system] _443370=[i, c, a, t, i, o, n]
   Exit: (245) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (244) [system] _434074=[l, i, c, a, t, i, o, n]
   Exit: (244) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (243) [system] _424778=[p, l, i, c, a, t, i, o, n]
   Exit: (243) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (242) [system] _415482=[m, p, l, i, c, a, t, i, o, n]
   Exit: (242) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (241) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _394938)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_546626, _546628), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _394938), _546602, fail)), '$restore_trace'(_546626, _546628))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_546626, _546628))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _394938), _546602, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_394938)
   Call: (242) [system] atom_chars(_394938, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (242) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (241) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _555078)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _556936)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _563746)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _566450)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _575842)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=')'
   Call: (240) [system] '('=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _579556)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _581414)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _589882)
   Exit: (241) [system] get_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('='('
   Exit: (241) [system] '('='('
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _579556)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _595452)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (243) [system] 'A'=(;)
^  Call: (243) [user] is_like_space('A')
   Call: (244) [system] char_type('A', 'white')
   Call: (244) [system] char_type('A', end_of_line)
   Call: (244) [system] char_type('A', space)
   Call: (244) [system] char_type('A', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _603920)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (242) [system] 'A'=')'
   Call: (242) [system] 'A'=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _607634)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _609492)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (244) [system] 'A'=(;)
^  Call: (244) [user] is_like_space('A')
   Call: (245) [system] char_type('A', 'white')
   Call: (245) [system] char_type('A', end_of_line)
   Call: (245) [system] char_type('A', space)
   Call: (245) [system] char_type('A', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _617960)
   Exit: (243) [system] get_char((0x56051b6b4f40), 'A')
   Call: (243) [system] 'A'='('
   Call: (243) [system] 'A'='['
   Call: (243) [system] 'A'='{'
   Call: (243) [system] 'A'='"'
   Call: (243) [system] 'A'=!
   Call: (243) [system] 'A'='\''
   Call: (243) [system] 'A'='`'
   Call: (243) [system] 'A'=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _607634)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _628178)
   Call: (245) [system] peek_char((0x56051b6b4f40), _629112)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_632904, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _637474)
   Call: (246) [system] peek_char((0x56051b6b4f40), _638408)
   Exit: (246) [system] peek_char((0x56051b6b4f40), d)
^  Call: (246) [user] is_delimiter(d)
   Call: (247) [system] char_type(d, space)
   Call: (247) [system] arg(_642200, v('(', ')', end_of_file), d)
   Call: (246) [system] ')'==d
   Call: (246) [system] get_char((0x56051b6b4f40), d)
   Exit: (246) [system] get_char((0x56051b6b4f40), d)
   Call: (246) [system] d=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _646770)
   Call: (247) [system] peek_char((0x56051b6b4f40), _647704)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (247) [user] is_delimiter('L')
   Call: (248) [system] char_type('L', space)
   Call: (248) [system] arg(_651496, v('(', ')', end_of_file), 'L')
   Call: (247) [system] ')'=='L'
   Call: (247) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (247) [system] get_char((0x56051b6b4f40), 'L')
   Call: (247) [system] 'L'=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _656066)
   Call: (248) [system] peek_char((0x56051b6b4f40), _657000)
   Exit: (248) [system] peek_char((0x56051b6b4f40), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_660792, v('(', ')', end_of_file), i)
   Call: (248) [system] ')'==i
   Call: (248) [system] get_char((0x56051b6b4f40), i)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _665362)
   Call: (249) [system] peek_char((0x56051b6b4f40), _666296)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_670088, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _674658)
   Call: (250) [system] peek_char((0x56051b6b4f40), _675592)
   Exit: (250) [system] peek_char((0x56051b6b4f40), k)
^  Call: (250) [user] is_delimiter(k)
   Call: (251) [system] char_type(k, space)
   Call: (251) [system] arg(_679384, v('(', ')', end_of_file), k)
   Call: (250) [system] ')'==k
   Call: (250) [system] get_char((0x56051b6b4f40), k)
   Exit: (250) [system] get_char((0x56051b6b4f40), k)
   Call: (250) [system] k=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _683954)
   Call: (251) [system] peek_char((0x56051b6b4f40), _684888)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _683954=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (250) [system] _674658=[k]
   Exit: (250) [system] [k]=[k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (249) [system] _665362=[n, k]
   Exit: (249) [system] [n, k]=[n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (248) [system] _656066=[i, n, k]
   Exit: (248) [system] [i, n, k]=[i, n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (247) [system] _646770=['L', i, n, k]
   Exit: (247) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (246) [system] _637474=[d, 'L', i, n, k]
   Exit: (246) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (245) [system] _628178=[n, d, 'L', i, n, k]
   Exit: (245) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (244) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _607634)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_710962, _710964), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _607634), _710938, fail)), '$restore_trace'(_710962, _710964))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_710962, _710964))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _607634), _710938, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(_607634)
   Call: (245) [system] atom_chars(_607634, ['A', n, d, 'L', i, n, k])
   Exit: (245) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (244) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _719414)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _721272)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _728082)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _730786)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (245) [system] 'A'=(;)
^  Call: (245) [user] is_like_space('A')
   Call: (246) [system] char_type('A', 'white')
   Call: (246) [system] char_type('A', end_of_line)
   Call: (246) [system] char_type('A', space)
   Call: (246) [system] char_type('A', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _740178)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (243) [system] 'A'=')'
   Call: (243) [system] 'A'=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _743892)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _745750)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (245) [system] 'A'=(;)
^  Call: (245) [user] is_like_space('A')
   Call: (246) [system] char_type('A', 'white')
   Call: (246) [system] char_type('A', end_of_line)
   Call: (246) [system] char_type('A', space)
   Call: (246) [system] char_type('A', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _754218)
   Exit: (244) [system] get_char((0x56051b6b4f40), 'A')
   Call: (244) [system] 'A'='('
   Call: (244) [system] 'A'='['
   Call: (244) [system] 'A'='{'
   Call: (244) [system] 'A'='"'
   Call: (244) [system] 'A'=!
   Call: (244) [system] 'A'='\''
   Call: (244) [system] 'A'='`'
   Call: (244) [system] 'A'=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _743892)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _764436)
   Call: (246) [system] peek_char((0x56051b6b4f40), _765370)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _764436=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (245) [user] classify_and_convert_charseq('A', [], _743892)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_774680, _774682), once(user:catch(read_from_chars(['A'], _743892), _774656, fail)), '$restore_trace'(_774680, _774682))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_774680, _774682))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _743892), _774656, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(_743892)
   Call: (246) [system] atom_chars(_743892, ['A'])
   Exit: (246) [system] atom_chars('A', ['A'])
^  Exit: (245) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _783132)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _784990)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _791800)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _794504)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (246) [system] 'B'=(;)
^  Call: (246) [user] is_like_space('B')
   Call: (247) [system] char_type('B', 'white')
   Call: (247) [system] char_type('B', end_of_line)
   Call: (247) [system] char_type('B', space)
   Call: (247) [system] char_type('B', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _803896)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (244) [system] 'B'=')'
   Call: (244) [system] 'B'=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _807610)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _809468)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (246) [system] 'B'=(;)
^  Call: (246) [user] is_like_space('B')
   Call: (247) [system] char_type('B', 'white')
   Call: (247) [system] char_type('B', end_of_line)
   Call: (247) [system] char_type('B', space)
   Call: (247) [system] char_type('B', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _817936)
   Exit: (245) [system] get_char((0x56051b6b4f40), 'B')
   Call: (245) [system] 'B'='('
   Call: (245) [system] 'B'='['
   Call: (245) [system] 'B'='{'
   Call: (245) [system] 'B'='"'
   Call: (245) [system] 'B'=!
   Call: (245) [system] 'B'='\''
   Call: (245) [system] 'B'='`'
   Call: (245) [system] 'B'=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _807610)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _828154)
   Call: (247) [system] peek_char((0x56051b6b4f40), _829088)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (247) [user] is_delimiter(')')
   Call: (248) [system] char_type(')', space)
   Call: (248) [system] arg(_832880, v('(', ')', end_of_file), ')')
   Exit: (248) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (247) [user] is_delimiter(')')
   Call: (247) [system] _828154=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (246) [user] classify_and_convert_charseq('B', [], _807610)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_839342, _839344), once(user:catch(read_from_chars(['B'], _807610), _839318, fail)), '$restore_trace'(_839342, _839344))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_839342, _839344))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _807610), _839318, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(_807610)
   Call: (247) [system] atom_chars(_807610, ['B'])
   Exit: (247) [system] atom_chars('B', ['B'])
^  Exit: (246) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _847794)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _849652)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=(;)
^  Call: (246) [user] is_like_space(')')
   Call: (247) [system] char_type(')', 'white')
   Call: (247) [system] char_type(')', end_of_line)
   Call: (247) [system] char_type(')', space)
   Call: (247) [system] char_type(')', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _858120)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=')'
   Exit: (245) [system] ')'=')'
   Call: (245) [system] get_char((0x56051b6b4f40), _861910)
   Exit: (245) [system] get_char((0x56051b6b4f40), ')')
   Call: (245) [system] _847794=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (244) [system] _783132=['B']
   Exit: (244) [system] ['B']=['B']
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (243) [system] _719414=['A', 'B']
   Exit: (243) [system] ['A', 'B']=['A', 'B']
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (242) [system] _579556=['AndLink', 'A', 'B']
   Exit: (242) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _875792)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _877650)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _884460)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _887164)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (243) [system] 'C'=(;)
^  Call: (243) [user] is_like_space('C')
   Call: (244) [system] char_type('C', 'white')
   Call: (244) [system] char_type('C', end_of_line)
   Call: (244) [system] char_type('C', space)
   Call: (244) [system] char_type('C', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _896556)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (241) [system] 'C'=')'
   Call: (241) [system] 'C'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _900270)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _902128)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (243) [system] 'C'=(;)
^  Call: (243) [user] is_like_space('C')
   Call: (244) [system] char_type('C', 'white')
   Call: (244) [system] char_type('C', end_of_line)
   Call: (244) [system] char_type('C', space)
   Call: (244) [system] char_type('C', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _910596)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'C')
   Call: (242) [system] 'C'='('
   Call: (242) [system] 'C'='['
   Call: (242) [system] 'C'='{'
   Call: (242) [system] 'C'='"'
   Call: (242) [system] 'C'=!
   Call: (242) [system] 'C'='\''
   Call: (242) [system] 'C'='`'
   Call: (242) [system] 'C'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _900270)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _920814)
   Call: (244) [system] peek_char((0x56051b6b4f40), _921748)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (244) [user] is_delimiter(')')
   Call: (245) [system] char_type(')', space)
   Call: (245) [system] arg(_925540, v('(', ')', end_of_file), ')')
   Exit: (245) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (244) [user] is_delimiter(')')
   Call: (244) [system] _920814=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (243) [user] classify_and_convert_charseq('C', [], _900270)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_932002, _932004), once(user:catch(read_from_chars(['C'], _900270), _931978, fail)), '$restore_trace'(_932002, _932004))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_932002, _932004))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _900270), _931978, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_900270)
   Call: (244) [system] atom_chars(_900270, ['C'])
   Exit: (244) [system] atom_chars('C', ['C'])
^  Exit: (243) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _940454)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _942312)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=(;)
^  Call: (243) [user] is_like_space(')')
   Call: (244) [system] char_type(')', 'white')
   Call: (244) [system] char_type(')', end_of_line)
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] char_type(')', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _950780)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=')'
   Exit: (242) [system] ')'=')'
   Call: (242) [system] get_char((0x56051b6b4f40), _954570)
   Exit: (242) [system] get_char((0x56051b6b4f40), ')')
   Call: (242) [system] _940454=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (241) [system] _875792=['C']
   Exit: (241) [system] ['C']=['C']
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (240) [system] _555078=[['AndLink', 'A', 'B'], 'C']
   Exit: (240) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (239) [system] _366860=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (239) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _968452)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _970310)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _978778)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x56051b6b4f40), _982568)
   Exit: (238) [system] get_char((0x56051b6b4f40), ')')
   Call: (238) [system] _968452=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (237) [system] _342382=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (237) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (236) [system] _278664=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (236) [system] ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (235) [system] _138806=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (235) [system] ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _996450)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _998308)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1006776)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _1010566)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _996450=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _114328=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (233) [system] [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (232) [system] _8926=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (232) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (231) [system] _8918=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (231) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1024448)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1026306)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=(;)
^  Call: (231) [user] is_like_space(')')
   Call: (232) [system] char_type(')', 'white')
   Call: (232) [system] char_type(')', end_of_line)
   Call: (232) [system] char_type(')', space)
   Call: (232) [system] char_type(')', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1034774)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ')')
   Call: (230) [system] ')'=')'
   Exit: (230) [system] ')'=')'
   Call: (230) [system] get_char((0x56051b6b4f40), _1038564)
   Exit: (230) [system] get_char((0x56051b6b4f40), ')')
   Call: (230) [system] _1024448=[]
   Exit: (230) [system] []=[]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (229) [system] _8914=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (229) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (228) [system] _8872=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (228) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (227) [system] _8864=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (227) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (226) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (225) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, abc]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (225) [user] read_list(')', (0x56051b6b4f40), _1052446)
^  Call: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1054304)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (227) [system] '\n'=(;)
^  Call: (227) [user] is_like_space('\n')
   Call: (228) [system] char_type('\n', 'white')
   Call: (228) [system] char_type('\n', end_of_line)
   Exit: (228) [system] char_type('\n', end_of_line)
^  Exit: (227) [user] is_like_space('\n')
   Call: (227) [system] get_char((0x56051b6b4f40), _1061920)
   Exit: (227) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1064624)
   Exit: (228) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (228) [system] ' '=(;)
^  Call: (228) [user] is_like_space(' ')
   Call: (229) [system] char_type(' ', 'white')
   Exit: (229) [system] char_type(' ', 'white')
^  Exit: (228) [user] is_like_space(' ')
   Call: (228) [system] get_char((0x56051b6b4f40), _1071434)
   Exit: (228) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1074138)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (226) [user] skip_spaces((0x56051b6b4f40))
   Call: (226) [system] peek_char((0x56051b6b4f40), _1084454)
   Exit: (226) [system] peek_char((0x56051b6b4f40), '(')
   Call: (226) [system] '('=')'
   Call: (226) [system] '('=end_of_file
^  Call: (226) [user] cont_sexpr(')', (0x56051b6b4f40), _1088168)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1090026)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=(;)
^  Call: (228) [user] is_like_space('(')
   Call: (229) [system] char_type('(', 'white')
   Call: (229) [system] char_type('(', end_of_line)
   Call: (229) [system] char_type('(', space)
   Call: (229) [system] char_type('(', cntrl)
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] get_char((0x56051b6b4f40), _1098494)
   Exit: (227) [system] get_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('='('
   Exit: (227) [system] '('='('
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1088168)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1104064)
   Exit: (229) [system] peek_char((0x56051b6b4f40), :)
   Call: (229) [system] (:)=(;)
^  Call: (229) [user] is_like_space(:)
   Call: (230) [system] char_type(:, 'white')
   Call: (230) [system] char_type(:, end_of_line)
   Call: (230) [system] char_type(:, space)
   Call: (230) [system] char_type(:, cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1112532)
   Exit: (228) [system] peek_char((0x56051b6b4f40), :)
   Call: (228) [system] (:)=')'
   Call: (228) [system] (:)=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1116246)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1118104)
   Exit: (230) [system] peek_char((0x56051b6b4f40), :)
   Call: (230) [system] (:)=(;)
^  Call: (230) [user] is_like_space(:)
   Call: (231) [system] char_type(:, 'white')
   Call: (231) [system] char_type(:, end_of_line)
   Call: (231) [system] char_type(:, space)
   Call: (231) [system] char_type(:, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1126572)
   Exit: (229) [system] get_char((0x56051b6b4f40), :)
   Call: (229) [system] (:)='('
   Call: (229) [system] (:)='['
   Call: (229) [system] (:)='{'
   Call: (229) [system] (:)='"'
   Call: (229) [system] (:)=!
   Call: (229) [system] (:)='\''
   Call: (229) [system] (:)='`'
   Call: (229) [system] (:)=end_of_file
^  Call: (229) [user] read_symbolic(')', (0x56051b6b4f40), :, _1116246)
^  Call: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1136790)
   Call: (231) [system] peek_char((0x56051b6b4f40), _1137724)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] is_delimiter(' ')
   Call: (232) [system] char_type(' ', space)
   Exit: (232) [system] char_type(' ', space)
^  Exit: (231) [user] is_delimiter(' ')
   Call: (231) [system] _1136790=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (230) [user] classify_and_convert_charseq(:, [], _1116246)
^  Call: (232) [system] setup_call_cleanup('$notrace'(_1147034, _1147036), once(user:catch(read_from_chars([:], _1116246), _1147010, fail)), '$restore_trace'(_1147034, _1147036))
^  Call: (233) [system] sig_atomic(system:'$notrace'(_1147034, _1147036))
^  Exit: (232) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1147010, fail)), system:'$restore_trace'(3, -1))
   Call: (231) [system] atomic(:)
   Exit: (231) [system] atomic(:)
^  Exit: (230) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (229) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1154534)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1156392)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1163202)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1165906)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1175298)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1179012)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1180870)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1189338)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1179012)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1194908)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (232) [system] 'D'=(;)
^  Call: (232) [user] is_like_space('D')
   Call: (233) [system] char_type('D', 'white')
   Call: (233) [system] char_type('D', end_of_line)
   Call: (233) [system] char_type('D', space)
   Call: (233) [system] char_type('D', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1203376)
   Exit: (231) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (231) [system] 'D'=')'
   Call: (231) [system] 'D'=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _1207090)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1208948)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (233) [system] 'D'=(;)
^  Call: (233) [user] is_like_space('D')
   Call: (234) [system] char_type('D', 'white')
   Call: (234) [system] char_type('D', end_of_line)
   Call: (234) [system] char_type('D', space)
   Call: (234) [system] char_type('D', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _1217416)
   Exit: (232) [system] get_char((0x56051b6b4f40), 'D')
   Call: (232) [system] 'D'='('
   Call: (232) [system] 'D'='['
   Call: (232) [system] 'D'='{'
   Call: (232) [system] 'D'='"'
   Call: (232) [system] 'D'=!
   Call: (232) [system] 'D'='\''
   Call: (232) [system] 'D'='`'
   Call: (232) [system] 'D'=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1207090)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1227634)
   Call: (234) [system] peek_char((0x56051b6b4f40), _1228568)
   Exit: (234) [system] peek_char((0x56051b6b4f40), i)
^  Call: (234) [user] is_delimiter(i)
   Call: (235) [system] char_type(i, space)
   Call: (235) [system] arg(_1232360, v('(', ')', end_of_file), i)
   Call: (234) [system] ')'==i
   Call: (234) [system] get_char((0x56051b6b4f40), i)
   Exit: (234) [system] get_char((0x56051b6b4f40), i)
   Call: (234) [system] i=(\)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1236930)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1237864)
   Exit: (235) [system] peek_char((0x56051b6b4f40), s)
^  Call: (235) [user] is_delimiter(s)
   Call: (236) [system] char_type(s, space)
   Call: (236) [system] arg(_1241656, v('(', ')', end_of_file), s)
   Call: (235) [system] ')'==s
   Call: (235) [system] get_char((0x56051b6b4f40), s)
   Exit: (235) [system] get_char((0x56051b6b4f40), s)
   Call: (235) [system] s=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1246226)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1247160)
   Exit: (236) [system] peek_char((0x56051b6b4f40), j)
^  Call: (236) [user] is_delimiter(j)
   Call: (237) [system] char_type(j, space)
   Call: (237) [system] arg(_1250952, v('(', ')', end_of_file), j)
   Call: (236) [system] ')'==j
   Call: (236) [system] get_char((0x56051b6b4f40), j)
   Exit: (236) [system] get_char((0x56051b6b4f40), j)
   Call: (236) [system] j=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1255522)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1256456)
   Exit: (237) [system] peek_char((0x56051b6b4f40), u)
^  Call: (237) [user] is_delimiter(u)
   Call: (238) [system] char_type(u, space)
   Call: (238) [system] arg(_1260248, v('(', ')', end_of_file), u)
   Call: (237) [system] ')'==u
   Call: (237) [system] get_char((0x56051b6b4f40), u)
   Exit: (237) [system] get_char((0x56051b6b4f40), u)
   Call: (237) [system] u=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1264818)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1265752)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_1269544, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1274114)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1275048)
   Exit: (239) [system] peek_char((0x56051b6b4f40), c)
^  Call: (239) [user] is_delimiter(c)
   Call: (240) [system] char_type(c, space)
   Call: (240) [system] arg(_1278840, v('(', ')', end_of_file), c)
   Call: (239) [system] ')'==c
   Call: (239) [system] get_char((0x56051b6b4f40), c)
   Exit: (239) [system] get_char((0x56051b6b4f40), c)
   Call: (239) [system] c=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1283410)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1284344)
   Exit: (240) [system] peek_char((0x56051b6b4f40), t)
^  Call: (240) [user] is_delimiter(t)
   Call: (241) [system] char_type(t, space)
   Call: (241) [system] arg(_1288136, v('(', ')', end_of_file), t)
   Call: (240) [system] ')'==t
   Call: (240) [system] get_char((0x56051b6b4f40), t)
   Exit: (240) [system] get_char((0x56051b6b4f40), t)
   Call: (240) [system] t=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1292706)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1293640)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_1297432, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1302002)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1302936)
   Exit: (242) [system] peek_char((0x56051b6b4f40), o)
^  Call: (242) [user] is_delimiter(o)
   Call: (243) [system] char_type(o, space)
   Call: (243) [system] arg(_1306728, v('(', ')', end_of_file), o)
   Call: (242) [system] ')'==o
   Call: (242) [system] get_char((0x56051b6b4f40), o)
   Exit: (242) [system] get_char((0x56051b6b4f40), o)
   Call: (242) [system] o=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1311298)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1312232)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1316024, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1320594)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1321528)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (244) [user] is_delimiter('I')
   Call: (245) [system] char_type('I', space)
   Call: (245) [system] arg(_1325320, v('(', ')', end_of_file), 'I')
   Call: (244) [system] ')'=='I'
   Call: (244) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (244) [system] get_char((0x56051b6b4f40), 'I')
   Call: (244) [system] 'I'=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1329890)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1330824)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1334616, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1339186)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1340120)
   Exit: (246) [system] peek_char((0x56051b6b4f40), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_1343912, v('(', ')', end_of_file), t)
   Call: (246) [system] ')'==t
   Call: (246) [system] get_char((0x56051b6b4f40), t)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1348482)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1349416)
   Exit: (247) [system] peek_char((0x56051b6b4f40), r)
^  Call: (247) [user] is_delimiter(r)
   Call: (248) [system] char_type(r, space)
   Call: (248) [system] arg(_1353208, v('(', ')', end_of_file), r)
   Call: (247) [system] ')'==r
   Call: (247) [system] get_char((0x56051b6b4f40), r)
   Exit: (247) [system] get_char((0x56051b6b4f40), r)
   Call: (247) [system] r=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1357778)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1358712)
   Exit: (248) [system] peek_char((0x56051b6b4f40), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_1362504, v('(', ')', end_of_file), o)
   Call: (248) [system] ')'==o
   Call: (248) [system] get_char((0x56051b6b4f40), o)
   Exit: (248) [system] get_char((0x56051b6b4f40), o)
   Call: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1367074)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1368008)
   Exit: (249) [system] peek_char((0x56051b6b4f40), d)
^  Call: (249) [user] is_delimiter(d)
   Call: (250) [system] char_type(d, space)
   Call: (250) [system] arg(_1371800, v('(', ')', end_of_file), d)
   Call: (249) [system] ')'==d
   Call: (249) [system] get_char((0x56051b6b4f40), d)
   Exit: (249) [system] get_char((0x56051b6b4f40), d)
   Call: (249) [system] d=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1376370)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1377304)
   Exit: (250) [system] peek_char((0x56051b6b4f40), u)
^  Call: (250) [user] is_delimiter(u)
   Call: (251) [system] char_type(u, space)
   Call: (251) [system] arg(_1381096, v('(', ')', end_of_file), u)
   Call: (250) [system] ')'==u
   Call: (250) [system] get_char((0x56051b6b4f40), u)
   Exit: (250) [system] get_char((0x56051b6b4f40), u)
   Call: (250) [system] u=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1385666)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1386600)
   Exit: (251) [system] peek_char((0x56051b6b4f40), c)
^  Call: (251) [user] is_delimiter(c)
   Call: (252) [system] char_type(c, space)
   Call: (252) [system] arg(_1390392, v('(', ')', end_of_file), c)
   Call: (251) [system] ')'==c
   Call: (251) [system] get_char((0x56051b6b4f40), c)
   Exit: (251) [system] get_char((0x56051b6b4f40), c)
   Call: (251) [system] c=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1394962)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1395896)
   Exit: (252) [system] peek_char((0x56051b6b4f40), t)
^  Call: (252) [user] is_delimiter(t)
   Call: (253) [system] char_type(t, space)
   Call: (253) [system] arg(_1399688, v('(', ')', end_of_file), t)
   Call: (252) [system] ')'==t
   Call: (252) [system] get_char((0x56051b6b4f40), t)
   Exit: (252) [system] get_char((0x56051b6b4f40), t)
   Call: (252) [system] t=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1404258)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1405192)
   Exit: (253) [system] peek_char((0x56051b6b4f40), i)
^  Call: (253) [user] is_delimiter(i)
   Call: (254) [system] char_type(i, space)
   Call: (254) [system] arg(_1408984, v('(', ')', end_of_file), i)
   Call: (253) [system] ')'==i
   Call: (253) [system] get_char((0x56051b6b4f40), i)
   Exit: (253) [system] get_char((0x56051b6b4f40), i)
   Call: (253) [system] i=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1413554)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1414488)
   Exit: (254) [system] peek_char((0x56051b6b4f40), o)
^  Call: (254) [user] is_delimiter(o)
   Call: (255) [system] char_type(o, space)
   Call: (255) [system] arg(_1418280, v('(', ')', end_of_file), o)
   Call: (254) [system] ')'==o
   Call: (254) [system] get_char((0x56051b6b4f40), o)
   Exit: (254) [system] get_char((0x56051b6b4f40), o)
   Call: (254) [system] o=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1422850)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1423784)
   Exit: (255) [system] peek_char((0x56051b6b4f40), n)
^  Call: (255) [user] is_delimiter(n)
   Call: (256) [system] char_type(n, space)
   Call: (256) [system] arg(_1427576, v('(', ')', end_of_file), n)
   Call: (255) [system] ')'==n
   Call: (255) [system] get_char((0x56051b6b4f40), n)
   Exit: (255) [system] get_char((0x56051b6b4f40), n)
   Call: (255) [system] n=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1432146)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1433080)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (256) [user] is_delimiter(' ')
   Call: (257) [system] char_type(' ', space)
   Exit: (257) [system] char_type(' ', space)
^  Exit: (256) [user] is_delimiter(' ')
   Call: (256) [system] _1432146=[]
   Exit: (256) [system] []=[]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (255) [system] _1422850=[n]
   Exit: (255) [system] [n]=[n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (254) [system] _1413554=[o, n]
   Exit: (254) [system] [o, n]=[o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (253) [system] _1404258=[i, o, n]
   Exit: (253) [system] [i, o, n]=[i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (252) [system] _1394962=[t, i, o, n]
   Exit: (252) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (251) [system] _1385666=[c, t, i, o, n]
   Exit: (251) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (250) [system] _1376370=[u, c, t, i, o, n]
   Exit: (250) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (249) [system] _1367074=[d, u, c, t, i, o, n]
   Exit: (249) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (248) [system] _1357778=[o, d, u, c, t, i, o, n]
   Exit: (248) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (247) [system] _1348482=[r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _1339186=[t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1329890=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1320594=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1311298=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1302002=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1292706=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1283410=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1274114=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1264818=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1255522=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1246226=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1236930=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (234) [system] _1227634=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (234) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (233) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1207090)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_1503858, _1503860), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1207090), _1503834, fail)), '$restore_trace'(_1503858, _1503860))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_1503858, _1503860))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1207090), _1503834, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(_1207090)
   Call: (234) [system] atom_chars(_1207090, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (234) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (233) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1512310)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1514168)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _1520978)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1523682)
   Exit: (234) [system] peek_char((0x56051b6b4f40), a)
   Call: (234) [system] a=(;)
^  Call: (234) [user] is_like_space(a)
   Call: (235) [system] char_type(a, 'white')
   Call: (235) [system] char_type(a, end_of_line)
   Call: (235) [system] char_type(a, space)
   Call: (235) [system] char_type(a, cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1533074)
   Exit: (232) [system] peek_char((0x56051b6b4f40), a)
   Call: (232) [system] a=')'
   Call: (232) [system] a=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1536788)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1538646)
   Exit: (234) [system] peek_char((0x56051b6b4f40), a)
   Call: (234) [system] a=(;)
^  Call: (234) [user] is_like_space(a)
   Call: (235) [system] char_type(a, 'white')
   Call: (235) [system] char_type(a, end_of_line)
   Call: (235) [system] char_type(a, space)
   Call: (235) [system] char_type(a, cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1547114)
   Exit: (233) [system] get_char((0x56051b6b4f40), a)
   Call: (233) [system] a='('
   Call: (233) [system] a='['
   Call: (233) [system] a='{'
   Call: (233) [system] a='"'
   Call: (233) [system] a=!
   Call: (233) [system] a='\''
   Call: (233) [system] a='`'
   Call: (233) [system] a=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), a, _1536788)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1557332)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1558266)
   Exit: (235) [system] peek_char((0x56051b6b4f40), b)
^  Call: (235) [user] is_delimiter(b)
   Call: (236) [system] char_type(b, space)
   Call: (236) [system] arg(_1562058, v('(', ')', end_of_file), b)
   Call: (235) [system] ')'==b
   Call: (235) [system] get_char((0x56051b6b4f40), b)
   Exit: (235) [system] get_char((0x56051b6b4f40), b)
   Call: (235) [system] b=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1566628)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1567562)
   Exit: (236) [system] peek_char((0x56051b6b4f40), c)
^  Call: (236) [user] is_delimiter(c)
   Call: (237) [system] char_type(c, space)
   Call: (237) [system] arg(_1571354, v('(', ')', end_of_file), c)
   Call: (236) [system] ')'==c
   Call: (236) [system] get_char((0x56051b6b4f40), c)
   Exit: (236) [system] get_char((0x56051b6b4f40), c)
   Call: (236) [system] c=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1575924)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1576858)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _1575924=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1566628=[c]
   Exit: (236) [system] [c]=[c]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (235) [system] _1557332=[b, c]
   Exit: (235) [system] [b, c]=[b, c]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (234) [user] classify_and_convert_charseq(a, [b, c], _1536788)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1591756, _1591758), once(user:catch(read_from_chars([a, b, c], _1536788), _1591732, fail)), '$restore_trace'(_1591756, _1591758))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1591756, _1591758))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1591732, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(abc)
   Exit: (235) [system] atomic(abc)
^  Exit: (234) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1599256)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1601114)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1607924)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1610628)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1620020)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1623734)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1625592)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1634060)
   Exit: (234) [system] get_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1623734)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1639630)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (236) [system] 'C'=(;)
^  Call: (236) [user] is_like_space('C')
   Call: (237) [system] char_type('C', 'white')
   Call: (237) [system] char_type('C', end_of_line)
   Call: (237) [system] char_type('C', space)
   Call: (237) [system] char_type('C', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1648098)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (235) [system] 'C'=')'
   Call: (235) [system] 'C'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1651812)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1653670)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'=(;)
^  Call: (237) [user] is_like_space('C')
   Call: (238) [system] char_type('C', 'white')
   Call: (238) [system] char_type('C', end_of_line)
   Call: (238) [system] char_type('C', space)
   Call: (238) [system] char_type('C', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1662138)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'C')
   Call: (236) [system] 'C'='('
   Call: (236) [system] 'C'='['
   Call: (236) [system] 'C'='{'
   Call: (236) [system] 'C'='"'
   Call: (236) [system] 'C'=!
   Call: (236) [system] 'C'='\''
   Call: (236) [system] 'C'='`'
   Call: (236) [system] 'C'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1651812)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1672356)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1673290)
   Exit: (238) [system] peek_char((0x56051b6b4f40), o)
^  Call: (238) [user] is_delimiter(o)
   Call: (239) [system] char_type(o, space)
   Call: (239) [system] arg(_1677082, v('(', ')', end_of_file), o)
   Call: (238) [system] ')'==o
   Call: (238) [system] get_char((0x56051b6b4f40), o)
   Exit: (238) [system] get_char((0x56051b6b4f40), o)
   Call: (238) [system] o=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1681652)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1682586)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1686378, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1690948)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1691882)
   Exit: (240) [system] peek_char((0x56051b6b4f40), j)
^  Call: (240) [user] is_delimiter(j)
   Call: (241) [system] char_type(j, space)
   Call: (241) [system] arg(_1695674, v('(', ')', end_of_file), j)
   Call: (240) [system] ')'==j
   Call: (240) [system] get_char((0x56051b6b4f40), j)
   Exit: (240) [system] get_char((0x56051b6b4f40), j)
   Call: (240) [system] j=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1700244)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1701178)
   Exit: (241) [system] peek_char((0x56051b6b4f40), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_1704970, v('(', ')', end_of_file), u)
   Call: (241) [system] ')'==u
   Call: (241) [system] get_char((0x56051b6b4f40), u)
   Exit: (241) [system] get_char((0x56051b6b4f40), u)
   Call: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1709540)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1710474)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1714266, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1718836)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1719770)
   Exit: (243) [system] peek_char((0x56051b6b4f40), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_1723562, v('(', ')', end_of_file), c)
   Call: (243) [system] ')'==c
   Call: (243) [system] get_char((0x56051b6b4f40), c)
   Exit: (243) [system] get_char((0x56051b6b4f40), c)
   Call: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1728132)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1729066)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1732858, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1737428)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1738362)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_1742154, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1746724)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1747658)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1751450, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1756020)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1756954)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_1760746, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1765316)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1766250)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (248) [user] is_delimiter('I')
   Call: (249) [system] char_type('I', space)
   Call: (249) [system] arg(_1770042, v('(', ')', end_of_file), 'I')
   Call: (248) [system] ')'=='I'
   Call: (248) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (248) [system] get_char((0x56051b6b4f40), 'I')
   Call: (248) [system] 'I'=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1774612)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1775546)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_1779338, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1783908)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1784842)
   Exit: (250) [system] peek_char((0x56051b6b4f40), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_1788634, v('(', ')', end_of_file), t)
   Call: (250) [system] ')'==t
   Call: (250) [system] get_char((0x56051b6b4f40), t)
   Exit: (250) [system] get_char((0x56051b6b4f40), t)
   Call: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1793204)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1794138)
   Exit: (251) [system] peek_char((0x56051b6b4f40), r)
^  Call: (251) [user] is_delimiter(r)
   Call: (252) [system] char_type(r, space)
   Call: (252) [system] arg(_1797930, v('(', ')', end_of_file), r)
   Call: (251) [system] ')'==r
   Call: (251) [system] get_char((0x56051b6b4f40), r)
   Exit: (251) [system] get_char((0x56051b6b4f40), r)
   Call: (251) [system] r=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1802500)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1803434)
   Exit: (252) [system] peek_char((0x56051b6b4f40), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_1807226, v('(', ')', end_of_file), o)
   Call: (252) [system] ')'==o
   Call: (252) [system] get_char((0x56051b6b4f40), o)
   Exit: (252) [system] get_char((0x56051b6b4f40), o)
   Call: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1811796)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1812730)
   Exit: (253) [system] peek_char((0x56051b6b4f40), d)
^  Call: (253) [user] is_delimiter(d)
   Call: (254) [system] char_type(d, space)
   Call: (254) [system] arg(_1816522, v('(', ')', end_of_file), d)
   Call: (253) [system] ')'==d
   Call: (253) [system] get_char((0x56051b6b4f40), d)
   Exit: (253) [system] get_char((0x56051b6b4f40), d)
   Call: (253) [system] d=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1821092)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1822026)
   Exit: (254) [system] peek_char((0x56051b6b4f40), u)
^  Call: (254) [user] is_delimiter(u)
   Call: (255) [system] char_type(u, space)
   Call: (255) [system] arg(_1825818, v('(', ')', end_of_file), u)
   Call: (254) [system] ')'==u
   Call: (254) [system] get_char((0x56051b6b4f40), u)
   Exit: (254) [system] get_char((0x56051b6b4f40), u)
   Call: (254) [system] u=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1830388)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1831322)
   Exit: (255) [system] peek_char((0x56051b6b4f40), c)
^  Call: (255) [user] is_delimiter(c)
   Call: (256) [system] char_type(c, space)
   Call: (256) [system] arg(_1835114, v('(', ')', end_of_file), c)
   Call: (255) [system] ')'==c
   Call: (255) [system] get_char((0x56051b6b4f40), c)
   Exit: (255) [system] get_char((0x56051b6b4f40), c)
   Call: (255) [system] c=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1839684)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1840618)
   Exit: (256) [system] peek_char((0x56051b6b4f40), t)
^  Call: (256) [user] is_delimiter(t)
   Call: (257) [system] char_type(t, space)
   Call: (257) [system] arg(_1844410, v('(', ')', end_of_file), t)
   Call: (256) [system] ')'==t
   Call: (256) [system] get_char((0x56051b6b4f40), t)
   Exit: (256) [system] get_char((0x56051b6b4f40), t)
   Call: (256) [system] t=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1848980)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1849914)
   Exit: (257) [system] peek_char((0x56051b6b4f40), i)
^  Call: (257) [user] is_delimiter(i)
   Call: (258) [system] char_type(i, space)
   Call: (258) [system] arg(_1853706, v('(', ')', end_of_file), i)
   Call: (257) [system] ')'==i
   Call: (257) [system] get_char((0x56051b6b4f40), i)
   Exit: (257) [system] get_char((0x56051b6b4f40), i)
   Call: (257) [system] i=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1858276)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1859210)
   Exit: (258) [system] peek_char((0x56051b6b4f40), o)
^  Call: (258) [user] is_delimiter(o)
   Call: (259) [system] char_type(o, space)
   Call: (259) [system] arg(_1863002, v('(', ')', end_of_file), o)
   Call: (258) [system] ')'==o
   Call: (258) [system] get_char((0x56051b6b4f40), o)
   Exit: (258) [system] get_char((0x56051b6b4f40), o)
   Call: (258) [system] o=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1867572)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1868506)
   Exit: (259) [system] peek_char((0x56051b6b4f40), n)
^  Call: (259) [user] is_delimiter(n)
   Call: (260) [system] char_type(n, space)
   Call: (260) [system] arg(_1872298, v('(', ')', end_of_file), n)
   Call: (259) [system] ')'==n
   Call: (259) [system] get_char((0x56051b6b4f40), n)
   Exit: (259) [system] get_char((0x56051b6b4f40), n)
   Call: (259) [system] n=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1876868)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1877802)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (260) [user] is_delimiter(' ')
   Call: (261) [system] char_type(' ', space)
   Exit: (261) [system] char_type(' ', space)
^  Exit: (260) [user] is_delimiter(' ')
   Call: (260) [system] _1876868=[]
   Exit: (260) [system] []=[]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (259) [system] _1867572=[n]
   Exit: (259) [system] [n]=[n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (258) [system] _1858276=[o, n]
   Exit: (258) [system] [o, n]=[o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (257) [system] _1848980=[i, o, n]
   Exit: (257) [system] [i, o, n]=[i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (256) [system] _1839684=[t, i, o, n]
   Exit: (256) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (255) [system] _1830388=[c, t, i, o, n]
   Exit: (255) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (254) [system] _1821092=[u, c, t, i, o, n]
   Exit: (254) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (253) [system] _1811796=[d, u, c, t, i, o, n]
   Exit: (253) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (252) [system] _1802500=[o, d, u, c, t, i, o, n]
   Exit: (252) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (251) [system] _1793204=[r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _1783908=[t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _1774612=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _1765316=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _1756020=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _1746724=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1737428=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1728132=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1718836=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1709540=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1700244=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1690948=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1681652=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1672356=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (237) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1651812)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1948580, _1948582), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1651812), _1948556, fail)), '$restore_trace'(_1948580, _1948582))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1948580, _1948582))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1651812), _1948556, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1651812)
   Call: (238) [system] atom_chars(_1651812, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (238) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (237) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1957032)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1958890)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _1965700)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1968404)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
   Call: (238) [system] a=(;)
^  Call: (238) [user] is_like_space(a)
   Call: (239) [system] char_type(a, 'white')
   Call: (239) [system] char_type(a, end_of_line)
   Call: (239) [system] char_type(a, space)
   Call: (239) [system] char_type(a, cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1977796)
   Exit: (236) [system] peek_char((0x56051b6b4f40), a)
   Call: (236) [system] a=')'
   Call: (236) [system] a=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1981510)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1983368)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
   Call: (238) [system] a=(;)
^  Call: (238) [user] is_like_space(a)
   Call: (239) [system] char_type(a, 'white')
   Call: (239) [system] char_type(a, end_of_line)
   Call: (239) [system] char_type(a, space)
   Call: (239) [system] char_type(a, cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1991836)
   Exit: (237) [system] get_char((0x56051b6b4f40), a)
   Call: (237) [system] a='('
   Call: (237) [system] a='['
   Call: (237) [system] a='{'
   Call: (237) [system] a='"'
   Call: (237) [system] a=!
   Call: (237) [system] a='\''
   Call: (237) [system] a='`'
   Call: (237) [system] a=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), a, _1981510)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2002054)
   Call: (239) [system] peek_char((0x56051b6b4f40), _2002988)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _2002054=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq(a, [], _1981510)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_2012298, _2012300), once(user:catch(read_from_chars([a], _1981510), _2012274, fail)), '$restore_trace'(_2012298, _2012300))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_2012298, _2012300))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2012274, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(a)
   Exit: (239) [system] atomic(a)
^  Exit: (238) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _2019798)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _2021656)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _2028466)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2031170)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(;)
^  Call: (239) [user] is_like_space(a)
   Call: (240) [system] char_type(a, 'white')
   Call: (240) [system] char_type(a, end_of_line)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] char_type(a, cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _2040562)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
   Call: (237) [system] a=')'
   Call: (237) [system] a=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _2044276)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2046134)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(;)
^  Call: (239) [user] is_like_space(a)
   Call: (240) [system] char_type(a, 'white')
   Call: (240) [system] char_type(a, end_of_line)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] char_type(a, cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _2054602)
   Exit: (238) [system] get_char((0x56051b6b4f40), a)
   Call: (238) [system] a='('
   Call: (238) [system] a='['
   Call: (238) [system] a='{'
   Call: (238) [system] a='"'
   Call: (238) [system] a=!
   Call: (238) [system] a='\''
   Call: (238) [system] a='`'
   Call: (238) [system] a=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), a, _2044276)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2064820)
   Call: (240) [system] peek_char((0x56051b6b4f40), _2065754)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_2069546, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _2064820=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq(a, [], _2044276)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_2076008, _2076010), once(user:catch(read_from_chars([a], _2044276), _2075984, fail)), '$restore_trace'(_2076008, _2076010))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_2076008, _2076010))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2075984, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(a)
   Exit: (240) [system] atomic(a)
^  Exit: (239) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _2083508)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2085366)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _2093834)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x56051b6b4f40), _9910)
   Exit: (238) [system] get_char((0x56051b6b4f40), ')')
   Call: (238) [system] _9082=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (237) [system] _9076=[a]
   Exit: (237) [system] [a]=[a]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (236) [system] _9070=[a, a]
   Exit: (236) [system] [a, a]=[a, a]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (235) [system] _9062=['ConjunctionIntroduction', a, a]
   Exit: (235) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _23792)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _25650)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _34118)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _37908)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _23792=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _9058=[['ConjunctionIntroduction', a, a]]
   Exit: (233) [system] [['ConjunctionIntroduction', a, a]]=[['ConjunctionIntroduction', a, a]]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, a]])
   Call: (232) [system] _9052=[abc, ['ConjunctionIntroduction', a, a]]
   Exit: (232) [system] [abc, ['ConjunctionIntroduction', a, a]]=[abc, ['ConjunctionIntroduction', a, a]]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', a, a]])
   Call: (231) [system] _9044=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]
   Exit: (231) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _51790)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _53648)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _60458)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _63162)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _72554)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _76268)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _78126)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _86594)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _76268)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _92164)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (233) [system] 'O'=(;)
^  Call: (233) [user] is_like_space('O')
   Call: (234) [system] char_type('O', 'white')
   Call: (234) [system] char_type('O', end_of_line)
   Call: (234) [system] char_type('O', space)
   Call: (234) [system] char_type('O', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _100632)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (232) [system] 'O'=')'
   Call: (232) [system] 'O'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _104346)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _106204)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (234) [system] 'O'=(;)
^  Call: (234) [user] is_like_space('O')
   Call: (235) [system] char_type('O', 'white')
   Call: (235) [system] char_type('O', end_of_line)
   Call: (235) [system] char_type('O', space)
   Call: (235) [system] char_type('O', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _114672)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'O')
   Call: (233) [system] 'O'='('
   Call: (233) [system] 'O'='['
   Call: (233) [system] 'O'='{'
   Call: (233) [system] 'O'='"'
   Call: (233) [system] 'O'=!
   Call: (233) [system] 'O'='\''
   Call: (233) [system] 'O'='`'
   Call: (233) [system] 'O'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _104346)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _124890)
   Call: (235) [system] peek_char((0x56051b6b4f40), _125824)
   Exit: (235) [system] peek_char((0x56051b6b4f40), r)
^  Call: (235) [user] is_delimiter(r)
   Call: (236) [system] char_type(r, space)
   Call: (236) [system] arg(_129616, v('(', ')', end_of_file), r)
   Call: (235) [system] ')'==r
   Call: (235) [system] get_char((0x56051b6b4f40), r)
   Exit: (235) [system] get_char((0x56051b6b4f40), r)
   Call: (235) [system] r=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _134186)
   Call: (236) [system] peek_char((0x56051b6b4f40), _135120)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (236) [user] is_delimiter('L')
   Call: (237) [system] char_type('L', space)
   Call: (237) [system] arg(_138912, v('(', ')', end_of_file), 'L')
   Call: (236) [system] ')'=='L'
   Call: (236) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (236) [system] get_char((0x56051b6b4f40), 'L')
   Call: (236) [system] 'L'=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _143482)
   Call: (237) [system] peek_char((0x56051b6b4f40), _144416)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_148208, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _152778)
   Call: (238) [system] peek_char((0x56051b6b4f40), _153712)
   Exit: (238) [system] peek_char((0x56051b6b4f40), n)
^  Call: (238) [user] is_delimiter(n)
   Call: (239) [system] char_type(n, space)
   Call: (239) [system] arg(_157504, v('(', ')', end_of_file), n)
   Call: (238) [system] ')'==n
   Call: (238) [system] get_char((0x56051b6b4f40), n)
   Exit: (238) [system] get_char((0x56051b6b4f40), n)
   Call: (238) [system] n=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _162074)
   Call: (239) [system] peek_char((0x56051b6b4f40), _163008)
   Exit: (239) [system] peek_char((0x56051b6b4f40), k)
^  Call: (239) [user] is_delimiter(k)
   Call: (240) [system] char_type(k, space)
   Call: (240) [system] arg(_166800, v('(', ')', end_of_file), k)
   Call: (239) [system] ')'==k
   Call: (239) [system] get_char((0x56051b6b4f40), k)
   Exit: (239) [system] get_char((0x56051b6b4f40), k)
   Call: (239) [system] k=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _171370)
   Call: (240) [system] peek_char((0x56051b6b4f40), _172304)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _171370=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (239) [system] _162074=[k]
   Exit: (239) [system] [k]=[k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (238) [system] _152778=[n, k]
   Exit: (238) [system] [n, k]=[n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (237) [system] _143482=[i, n, k]
   Exit: (237) [system] [i, n, k]=[i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (236) [system] _134186=['L', i, n, k]
   Exit: (236) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (235) [system] _124890=[r, 'L', i, n, k]
   Exit: (235) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (234) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _104346)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_195584, _195586), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _104346), _195560, fail)), '$restore_trace'(_195584, _195586))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_195584, _195586))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _104346), _195560, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_104346)
   Call: (235) [system] atom_chars(_104346, ['O', r, 'L', i, n, k])
   Exit: (235) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (234) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _204036)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _205894)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _212704)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _215408)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _224800)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _228514)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _230372)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _238840)
   Exit: (234) [system] get_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _228514)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _244410)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'=(;)
^  Call: (236) [user] is_like_space('I')
   Call: (237) [system] char_type('I', 'white')
   Call: (237) [system] char_type('I', end_of_line)
   Call: (237) [system] char_type('I', space)
   Call: (237) [system] char_type('I', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _252878)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (235) [system] 'I'=')'
   Call: (235) [system] 'I'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _256592)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _258450)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=(;)
^  Call: (237) [user] is_like_space('I')
   Call: (238) [system] char_type('I', 'white')
   Call: (238) [system] char_type('I', end_of_line)
   Call: (238) [system] char_type('I', space)
   Call: (238) [system] char_type('I', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _266918)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'='('
   Call: (236) [system] 'I'='['
   Call: (236) [system] 'I'='{'
   Call: (236) [system] 'I'='"'
   Call: (236) [system] 'I'=!
   Call: (236) [system] 'I'='\''
   Call: (236) [system] 'I'='`'
   Call: (236) [system] 'I'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _256592)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _277136)
   Call: (238) [system] peek_char((0x56051b6b4f40), _278070)
   Exit: (238) [system] peek_char((0x56051b6b4f40), m)
^  Call: (238) [user] is_delimiter(m)
   Call: (239) [system] char_type(m, space)
   Call: (239) [system] arg(_281862, v('(', ')', end_of_file), m)
   Call: (238) [system] ')'==m
   Call: (238) [system] get_char((0x56051b6b4f40), m)
   Exit: (238) [system] get_char((0x56051b6b4f40), m)
   Call: (238) [system] m=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _286432)
   Call: (239) [system] peek_char((0x56051b6b4f40), _287366)
   Exit: (239) [system] peek_char((0x56051b6b4f40), p)
^  Call: (239) [user] is_delimiter(p)
   Call: (240) [system] char_type(p, space)
   Call: (240) [system] arg(_291158, v('(', ')', end_of_file), p)
   Call: (239) [system] ')'==p
   Call: (239) [system] get_char((0x56051b6b4f40), p)
   Exit: (239) [system] get_char((0x56051b6b4f40), p)
   Call: (239) [system] p=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _295728)
   Call: (240) [system] peek_char((0x56051b6b4f40), _296662)
   Exit: (240) [system] peek_char((0x56051b6b4f40), l)
^  Call: (240) [user] is_delimiter(l)
   Call: (241) [system] char_type(l, space)
   Call: (241) [system] arg(_300454, v('(', ')', end_of_file), l)
   Call: (240) [system] ')'==l
   Call: (240) [system] get_char((0x56051b6b4f40), l)
   Exit: (240) [system] get_char((0x56051b6b4f40), l)
   Call: (240) [system] l=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _305024)
   Call: (241) [system] peek_char((0x56051b6b4f40), _305958)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_309750, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _314320)
   Call: (242) [system] peek_char((0x56051b6b4f40), _315254)
   Exit: (242) [system] peek_char((0x56051b6b4f40), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_319046, v('(', ')', end_of_file), c)
   Call: (242) [system] ')'==c
   Call: (242) [system] get_char((0x56051b6b4f40), c)
   Exit: (242) [system] get_char((0x56051b6b4f40), c)
   Call: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _323616)
   Call: (243) [system] peek_char((0x56051b6b4f40), _324550)
   Exit: (243) [system] peek_char((0x56051b6b4f40), a)
^  Call: (243) [user] is_delimiter(a)
   Call: (244) [system] char_type(a, space)
   Call: (244) [system] arg(_328342, v('(', ')', end_of_file), a)
   Call: (243) [system] ')'==a
   Call: (243) [system] get_char((0x56051b6b4f40), a)
   Exit: (243) [system] get_char((0x56051b6b4f40), a)
   Call: (243) [system] a=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _332912)
   Call: (244) [system] peek_char((0x56051b6b4f40), _333846)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_337638, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _342208)
   Call: (245) [system] peek_char((0x56051b6b4f40), _343142)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_346934, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _351504)
   Call: (246) [system] peek_char((0x56051b6b4f40), _352438)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_356230, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _360800)
   Call: (247) [system] peek_char((0x56051b6b4f40), _361734)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_365526, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _370096)
   Call: (248) [system] peek_char((0x56051b6b4f40), _371030)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _370096=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _360800=[n]
   Exit: (247) [system] [n]=[n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (246) [system] _351504=[o, n]
   Exit: (246) [system] [o, n]=[o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (245) [system] _342208=[i, o, n]
   Exit: (245) [system] [i, o, n]=[i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (244) [system] _332912=[t, i, o, n]
   Exit: (244) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (243) [system] _323616=[a, t, i, o, n]
   Exit: (243) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (242) [system] _314320=[c, a, t, i, o, n]
   Exit: (242) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (241) [system] _305024=[i, c, a, t, i, o, n]
   Exit: (241) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (240) [system] _295728=[l, i, c, a, t, i, o, n]
   Exit: (240) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (239) [system] _286432=[p, l, i, c, a, t, i, o, n]
   Exit: (239) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (238) [system] _277136=[m, p, l, i, c, a, t, i, o, n]
   Exit: (238) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (237) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _256592)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_408280, _408282), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _256592), _408256, fail)), '$restore_trace'(_408280, _408282))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_408280, _408282))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _256592), _408256, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_256592)
   Call: (238) [system] atom_chars(_256592, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (238) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (237) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _416732)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _418590)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _425400)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _428104)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _437496)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=')'
   Call: (236) [system] '('=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _441210)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _443068)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _451536)
   Exit: (237) [system] get_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('='('
   Exit: (237) [system] '('='('
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _441210)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _457106)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=(;)
^  Call: (239) [user] is_like_space('A')
   Call: (240) [system] char_type('A', 'white')
   Call: (240) [system] char_type('A', end_of_line)
   Call: (240) [system] char_type('A', space)
   Call: (240) [system] char_type('A', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _465574)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=')'
   Call: (238) [system] 'A'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _469288)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _471146)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=(;)
^  Call: (240) [user] is_like_space('A')
   Call: (241) [system] char_type('A', 'white')
   Call: (241) [system] char_type('A', end_of_line)
   Call: (241) [system] char_type('A', space)
   Call: (241) [system] char_type('A', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _479614)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'='('
   Call: (239) [system] 'A'='['
   Call: (239) [system] 'A'='{'
   Call: (239) [system] 'A'='"'
   Call: (239) [system] 'A'=!
   Call: (239) [system] 'A'='\''
   Call: (239) [system] 'A'='`'
   Call: (239) [system] 'A'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _469288)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _489832)
   Call: (241) [system] peek_char((0x56051b6b4f40), _490766)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_494558, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _499128)
   Call: (242) [system] peek_char((0x56051b6b4f40), _500062)
   Exit: (242) [system] peek_char((0x56051b6b4f40), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_503854, v('(', ')', end_of_file), d)
   Call: (242) [system] ')'==d
   Call: (242) [system] get_char((0x56051b6b4f40), d)
   Exit: (242) [system] get_char((0x56051b6b4f40), d)
   Call: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _508424)
   Call: (243) [system] peek_char((0x56051b6b4f40), _509358)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (243) [user] is_delimiter('L')
   Call: (244) [system] char_type('L', space)
   Call: (244) [system] arg(_513150, v('(', ')', end_of_file), 'L')
   Call: (243) [system] ')'=='L'
   Call: (243) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (243) [system] get_char((0x56051b6b4f40), 'L')
   Call: (243) [system] 'L'=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _517720)
   Call: (244) [system] peek_char((0x56051b6b4f40), _518654)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_522446, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _527016)
   Call: (245) [system] peek_char((0x56051b6b4f40), _527950)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_531742, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _536312)
   Call: (246) [system] peek_char((0x56051b6b4f40), _537246)
   Exit: (246) [system] peek_char((0x56051b6b4f40), k)
^  Call: (246) [user] is_delimiter(k)
   Call: (247) [system] char_type(k, space)
   Call: (247) [system] arg(_541038, v('(', ')', end_of_file), k)
   Call: (246) [system] ')'==k
   Call: (246) [system] get_char((0x56051b6b4f40), k)
   Exit: (246) [system] get_char((0x56051b6b4f40), k)
   Call: (246) [system] k=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _545608)
   Call: (247) [system] peek_char((0x56051b6b4f40), _546542)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _545608=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (246) [system] _536312=[k]
   Exit: (246) [system] [k]=[k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (245) [system] _527016=[n, k]
   Exit: (245) [system] [n, k]=[n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (244) [system] _517720=[i, n, k]
   Exit: (244) [system] [i, n, k]=[i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (243) [system] _508424=['L', i, n, k]
   Exit: (243) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (242) [system] _499128=[d, 'L', i, n, k]
   Exit: (242) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (241) [system] _489832=[n, d, 'L', i, n, k]
   Exit: (241) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (240) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _469288)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_572616, _572618), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _469288), _572592, fail)), '$restore_trace'(_572616, _572618))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_572616, _572618))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _469288), _572592, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_469288)
   Call: (241) [system] atom_chars(_469288, ['A', n, d, 'L', i, n, k])
   Exit: (241) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (240) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _581068)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _582926)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _589736)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _592440)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'=(;)
^  Call: (241) [user] is_like_space('A')
   Call: (242) [system] char_type('A', 'white')
   Call: (242) [system] char_type('A', end_of_line)
   Call: (242) [system] char_type('A', space)
   Call: (242) [system] char_type('A', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _601832)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=')'
   Call: (239) [system] 'A'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _605546)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _607404)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'=(;)
^  Call: (241) [user] is_like_space('A')
   Call: (242) [system] char_type('A', 'white')
   Call: (242) [system] char_type('A', end_of_line)
   Call: (242) [system] char_type('A', space)
   Call: (242) [system] char_type('A', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _615872)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'='('
   Call: (240) [system] 'A'='['
   Call: (240) [system] 'A'='{'
   Call: (240) [system] 'A'='"'
   Call: (240) [system] 'A'=!
   Call: (240) [system] 'A'='\''
   Call: (240) [system] 'A'='`'
   Call: (240) [system] 'A'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _605546)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _626090)
   Call: (242) [system] peek_char((0x56051b6b4f40), _627024)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _626090=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq('A', [], _605546)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_636334, _636336), once(user:catch(read_from_chars(['A'], _605546), _636310, fail)), '$restore_trace'(_636334, _636336))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_636334, _636336))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _605546), _636310, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_605546)
   Call: (242) [system] atom_chars(_605546, ['A'])
   Exit: (242) [system] atom_chars('A', ['A'])
^  Exit: (241) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _644786)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _646644)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _653454)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _656158)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (242) [system] 'B'=(;)
^  Call: (242) [user] is_like_space('B')
   Call: (243) [system] char_type('B', 'white')
   Call: (243) [system] char_type('B', end_of_line)
   Call: (243) [system] char_type('B', space)
   Call: (243) [system] char_type('B', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _665550)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=')'
   Call: (240) [system] 'B'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _669264)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _671122)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (242) [system] 'B'=(;)
^  Call: (242) [user] is_like_space('B')
   Call: (243) [system] char_type('B', 'white')
   Call: (243) [system] char_type('B', end_of_line)
   Call: (243) [system] char_type('B', space)
   Call: (243) [system] char_type('B', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _679590)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'B')
   Call: (241) [system] 'B'='('
   Call: (241) [system] 'B'='['
   Call: (241) [system] 'B'='{'
   Call: (241) [system] 'B'='"'
   Call: (241) [system] 'B'=!
   Call: (241) [system] 'B'='\''
   Call: (241) [system] 'B'='`'
   Call: (241) [system] 'B'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _669264)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _689808)
   Call: (243) [system] peek_char((0x56051b6b4f40), _690742)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (243) [user] is_delimiter(')')
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] arg(_694534, v('(', ')', end_of_file), ')')
   Exit: (244) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (243) [user] is_delimiter(')')
   Call: (243) [system] _689808=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (242) [user] classify_and_convert_charseq('B', [], _669264)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_700996, _700998), once(user:catch(read_from_chars(['B'], _669264), _700972, fail)), '$restore_trace'(_700996, _700998))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_700996, _700998))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _669264), _700972, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_669264)
   Call: (243) [system] atom_chars(_669264, ['B'])
   Exit: (243) [system] atom_chars('B', ['B'])
^  Exit: (242) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _709448)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _711306)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=(;)
^  Call: (242) [user] is_like_space(')')
   Call: (243) [system] char_type(')', 'white')
   Call: (243) [system] char_type(')', end_of_line)
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] char_type(')', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _719774)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=')'
   Exit: (241) [system] ')'=')'
   Call: (241) [system] get_char((0x56051b6b4f40), _723564)
   Exit: (241) [system] get_char((0x56051b6b4f40), ')')
   Call: (241) [system] _709448=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (240) [system] _644786=['B']
   Exit: (240) [system] ['B']=['B']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (239) [system] _581068=['A', 'B']
   Exit: (239) [system] ['A', 'B']=['A', 'B']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (238) [system] _441210=['AndLink', 'A', 'B']
   Exit: (238) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _737446)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _739304)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _746114)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _748818)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'=(;)
^  Call: (239) [user] is_like_space('C')
   Call: (240) [system] char_type('C', 'white')
   Call: (240) [system] char_type('C', end_of_line)
   Call: (240) [system] char_type('C', space)
   Call: (240) [system] char_type('C', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _758210)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'=')'
   Call: (237) [system] 'C'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _761924)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _763782)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'=(;)
^  Call: (239) [user] is_like_space('C')
   Call: (240) [system] char_type('C', 'white')
   Call: (240) [system] char_type('C', end_of_line)
   Call: (240) [system] char_type('C', space)
   Call: (240) [system] char_type('C', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _772250)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'='('
   Call: (238) [system] 'C'='['
   Call: (238) [system] 'C'='{'
   Call: (238) [system] 'C'='"'
   Call: (238) [system] 'C'=!
   Call: (238) [system] 'C'='\''
   Call: (238) [system] 'C'='`'
   Call: (238) [system] 'C'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _761924)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _782468)
   Call: (240) [system] peek_char((0x56051b6b4f40), _783402)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_787194, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _782468=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq('C', [], _761924)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_793656, _793658), once(user:catch(read_from_chars(['C'], _761924), _793632, fail)), '$restore_trace'(_793656, _793658))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_793656, _793658))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _761924), _793632, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_761924)
   Call: (240) [system] atom_chars(_761924, ['C'])
   Exit: (240) [system] atom_chars('C', ['C'])
^  Exit: (239) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _802108)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _803966)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _812434)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x56051b6b4f40), _816224)
   Exit: (238) [system] get_char((0x56051b6b4f40), ')')
   Call: (238) [system] _802108=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (237) [system] _737446=['C']
   Exit: (237) [system] ['C']=['C']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (236) [system] _416732=[['AndLink', 'A', 'B'], 'C']
   Exit: (236) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (235) [system] _228514=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (235) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _830106)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _831964)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _838774)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _841478)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _850870)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=')'
   Call: (234) [system] '('=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _854584)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _856442)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _864910)
   Exit: (235) [system] get_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('='('
   Exit: (235) [system] '('='('
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _854584)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _870480)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=(;)
^  Call: (237) [user] is_like_space('A')
   Call: (238) [system] char_type('A', 'white')
   Call: (238) [system] char_type('A', end_of_line)
   Call: (238) [system] char_type('A', space)
   Call: (238) [system] char_type('A', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _878948)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (236) [system] 'A'=')'
   Call: (236) [system] 'A'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _882662)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _884520)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=(;)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _892988)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'='('
   Call: (237) [system] 'A'='['
   Call: (237) [system] 'A'='{'
   Call: (237) [system] 'A'='"'
   Call: (237) [system] 'A'=!
   Call: (237) [system] 'A'='\''
   Call: (237) [system] 'A'='`'
   Call: (237) [system] 'A'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _882662)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _903206)
   Call: (239) [system] peek_char((0x56051b6b4f40), _904140)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_907932, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _912502)
   Call: (240) [system] peek_char((0x56051b6b4f40), _913436)
   Exit: (240) [system] peek_char((0x56051b6b4f40), d)
^  Call: (240) [user] is_delimiter(d)
   Call: (241) [system] char_type(d, space)
   Call: (241) [system] arg(_917228, v('(', ')', end_of_file), d)
   Call: (240) [system] ')'==d
   Call: (240) [system] get_char((0x56051b6b4f40), d)
   Exit: (240) [system] get_char((0x56051b6b4f40), d)
   Call: (240) [system] d=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _921798)
   Call: (241) [system] peek_char((0x56051b6b4f40), _922732)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (241) [user] is_delimiter('L')
   Call: (242) [system] char_type('L', space)
   Call: (242) [system] arg(_926524, v('(', ')', end_of_file), 'L')
   Call: (241) [system] ')'=='L'
   Call: (241) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (241) [system] get_char((0x56051b6b4f40), 'L')
   Call: (241) [system] 'L'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _931094)
   Call: (242) [system] peek_char((0x56051b6b4f40), _932028)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_935820, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _940390)
   Call: (243) [system] peek_char((0x56051b6b4f40), _941324)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_945116, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _949686)
   Call: (244) [system] peek_char((0x56051b6b4f40), _950620)
   Exit: (244) [system] peek_char((0x56051b6b4f40), k)
^  Call: (244) [user] is_delimiter(k)
   Call: (245) [system] char_type(k, space)
   Call: (245) [system] arg(_954412, v('(', ')', end_of_file), k)
   Call: (244) [system] ')'==k
   Call: (244) [system] get_char((0x56051b6b4f40), k)
   Exit: (244) [system] get_char((0x56051b6b4f40), k)
   Call: (244) [system] k=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _958982)
   Call: (245) [system] peek_char((0x56051b6b4f40), _959916)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _958982=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (244) [system] _949686=[k]
   Exit: (244) [system] [k]=[k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (243) [system] _940390=[n, k]
   Exit: (243) [system] [n, k]=[n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (242) [system] _931094=[i, n, k]
   Exit: (242) [system] [i, n, k]=[i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (241) [system] _921798=['L', i, n, k]
   Exit: (241) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (240) [system] _912502=[d, 'L', i, n, k]
   Exit: (240) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (239) [system] _903206=[n, d, 'L', i, n, k]
   Exit: (239) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (238) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _882662)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_985990, _985992), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _882662), _985966, fail)), '$restore_trace'(_985990, _985992))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_985990, _985992))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _882662), _985966, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_882662)
   Call: (239) [system] atom_chars(_882662, ['A', n, d, 'L', i, n, k])
   Exit: (239) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (238) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _994442)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _996300)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _1003110)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1005814)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=(;)
^  Call: (239) [user] is_like_space('A')
   Call: (240) [system] char_type('A', 'white')
   Call: (240) [system] char_type('A', end_of_line)
   Call: (240) [system] char_type('A', space)
   Call: (240) [system] char_type('A', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1015206)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=')'
   Call: (237) [system] 'A'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1018920)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1020778)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=(;)
^  Call: (239) [user] is_like_space('A')
   Call: (240) [system] char_type('A', 'white')
   Call: (240) [system] char_type('A', end_of_line)
   Call: (240) [system] char_type('A', space)
   Call: (240) [system] char_type('A', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1029246)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'='('
   Call: (238) [system] 'A'='['
   Call: (238) [system] 'A'='{'
   Call: (238) [system] 'A'='"'
   Call: (238) [system] 'A'=!
   Call: (238) [system] 'A'='\''
   Call: (238) [system] 'A'='`'
   Call: (238) [system] 'A'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1018920)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1039464)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1040398)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1039464=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq('A', [], _1018920)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1049708, _1049710), once(user:catch(read_from_chars(['A'], _1018920), _1049684, fail)), '$restore_trace'(_1049708, _1049710))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1049708, _1049710))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1018920), _1049684, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1018920)
   Call: (240) [system] atom_chars(_1018920, ['A'])
   Exit: (240) [system] atom_chars('A', ['A'])
^  Exit: (239) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1058160)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1060018)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _1066828)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1069532)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=(;)
^  Call: (240) [user] is_like_space('B')
   Call: (241) [system] char_type('B', 'white')
   Call: (241) [system] char_type('B', end_of_line)
   Call: (241) [system] char_type('B', space)
   Call: (241) [system] char_type('B', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1078924)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=')'
   Call: (238) [system] 'B'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1082638)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1084496)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=(;)
^  Call: (240) [user] is_like_space('B')
   Call: (241) [system] char_type('B', 'white')
   Call: (241) [system] char_type('B', end_of_line)
   Call: (241) [system] char_type('B', space)
   Call: (241) [system] char_type('B', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1092964)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'B')
   Call: (239) [system] 'B'='('
   Call: (239) [system] 'B'='['
   Call: (239) [system] 'B'='{'
   Call: (239) [system] 'B'='"'
   Call: (239) [system] 'B'=!
   Call: (239) [system] 'B'='\''
   Call: (239) [system] 'B'='`'
   Call: (239) [system] 'B'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1082638)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1103182)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1104116)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (241) [user] is_delimiter(')')
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] arg(_1107908, v('(', ')', end_of_file), ')')
   Exit: (242) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (241) [user] is_delimiter(')')
   Call: (241) [system] _1103182=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq('B', [], _1082638)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1114370, _1114372), once(user:catch(read_from_chars(['B'], _1082638), _1114346, fail)), '$restore_trace'(_1114370, _1114372))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1114370, _1114372))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1082638), _1114346, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1082638)
   Call: (241) [system] atom_chars(_1082638, ['B'])
   Exit: (241) [system] atom_chars('B', ['B'])
^  Exit: (240) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1122822)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1124680)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=(;)
^  Call: (240) [user] is_like_space(')')
   Call: (241) [system] char_type(')', 'white')
   Call: (241) [system] char_type(')', end_of_line)
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] char_type(')', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1133148)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=')'
   Exit: (239) [system] ')'=')'
   Call: (239) [system] get_char((0x56051b6b4f40), _1136938)
   Exit: (239) [system] get_char((0x56051b6b4f40), ')')
   Call: (239) [system] _1122822=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (238) [system] _1058160=['B']
   Exit: (238) [system] ['B']=['B']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (237) [system] _994442=['A', 'B']
   Exit: (237) [system] ['A', 'B']=['A', 'B']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (236) [system] _854584=['AndLink', 'A', 'B']
   Exit: (236) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1150820)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1152678)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1161146)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x56051b6b4f40), _1164936)
   Exit: (235) [system] get_char((0x56051b6b4f40), ')')
   Call: (235) [system] _1150820=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (234) [system] _830106=[['AndLink', 'A', 'B']]
   Exit: (234) [system] [['AndLink', 'A', 'B']]=[['AndLink', 'A', 'B']]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B']])
   Call: (233) [system] _204036=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]
   Exit: (233) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']])
   Call: (232) [system] _76268=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]
   Exit: (232) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']])
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']])
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _1178818)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1180676)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=(;)
^  Call: (232) [user] is_like_space(')')
   Call: (233) [system] char_type(')', 'white')
   Call: (233) [system] char_type(')', end_of_line)
   Call: (233) [system] char_type(')', space)
   Call: (233) [system] char_type(')', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1189144)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ')')
   Call: (231) [system] ')'=')'
   Exit: (231) [system] ')'=')'
   Call: (231) [system] get_char((0x56051b6b4f40), _1192934)
   Exit: (231) [system] get_char((0x56051b6b4f40), ')')
   Call: (231) [system] _1178818=[]
   Exit: (231) [system] []=[]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (230) [system] _51790=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]]
   Exit: (230) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]])
   Call: (229) [system] _9040=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]]
   Exit: (229) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]])
   Call: (228) [system] _9032=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]]
   Exit: (228) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]]
^  Exit: (227) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]])
^  Exit: (226) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'B']]])
^  Call: (226) [user] read_list(')', (0x56051b6b4f40), _1206816)
^  Call: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1208674)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (228) [system] '\n'=(;)
^  Call: (228) [user] is_like_space('\n')
   Call: (229) [system] char_type('\n', 'white')
   Call: (229) [system] char_type('\n', end_of_line)
   Exit: (229) [system] char_type('\n', end_of_line)
^  Exit: (228) [user] is_like_space('\n')
   Call: (228) [system] get_char((0x56051b6b4f40), _1216290)
   Exit: (228) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1218994)
   Exit: (229) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (229) [system] ' '=(;)
^  Call: (229) [user] is_like_space(' ')
   Call: (230) [system] char_type(' ', 'white')
   Exit: (230) [system] char_type(' ', 'white')
^  Exit: (229) [user] is_like_space(' ')
   Call: (229) [system] get_char((0x56051b6b4f40), _1225804)
   Exit: (229) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1228508)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (227) [user] skip_spaces((0x56051b6b4f40))
   Call: (227) [system] peek_char((0x56051b6b4f40), _1238824)
   Exit: (227) [system] peek_char((0x56051b6b4f40), '(')
   Call: (227) [system] '('=')'
   Call: (227) [system] '('=end_of_file
^  Call: (227) [user] cont_sexpr(')', (0x56051b6b4f40), _1242538)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1244396)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=(;)
^  Call: (229) [user] is_like_space('(')
   Call: (230) [system] char_type('(', 'white')
   Call: (230) [system] char_type('(', end_of_line)
   Call: (230) [system] char_type('(', space)
   Call: (230) [system] char_type('(', cntrl)
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] get_char((0x56051b6b4f40), _1252864)
   Exit: (228) [system] get_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('='('
   Exit: (228) [system] '('='('
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _1242538)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1258434)
   Exit: (230) [system] peek_char((0x56051b6b4f40), :)
   Call: (230) [system] (:)=(;)
^  Call: (230) [user] is_like_space(:)
   Call: (231) [system] char_type(:, 'white')
   Call: (231) [system] char_type(:, end_of_line)
   Call: (231) [system] char_type(:, space)
   Call: (231) [system] char_type(:, cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1266902)
   Exit: (229) [system] peek_char((0x56051b6b4f40), :)
   Call: (229) [system] (:)=')'
   Call: (229) [system] (:)=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _1270616)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1272474)
   Exit: (231) [system] peek_char((0x56051b6b4f40), :)
   Call: (231) [system] (:)=(;)
^  Call: (231) [user] is_like_space(:)
   Call: (232) [system] char_type(:, 'white')
   Call: (232) [system] char_type(:, end_of_line)
   Call: (232) [system] char_type(:, space)
   Call: (232) [system] char_type(:, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _1280942)
   Exit: (230) [system] get_char((0x56051b6b4f40), :)
   Call: (230) [system] (:)='('
   Call: (230) [system] (:)='['
   Call: (230) [system] (:)='{'
   Call: (230) [system] (:)='"'
   Call: (230) [system] (:)=!
   Call: (230) [system] (:)='\''
   Call: (230) [system] (:)='`'
   Call: (230) [system] (:)=end_of_file
^  Call: (230) [user] read_symbolic(')', (0x56051b6b4f40), :, _1270616)
^  Call: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1291160)
   Call: (232) [system] peek_char((0x56051b6b4f40), _1292094)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] is_delimiter(' ')
   Call: (233) [system] char_type(' ', space)
   Exit: (233) [system] char_type(' ', space)
^  Exit: (232) [user] is_delimiter(' ')
   Call: (232) [system] _1291160=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (231) [user] classify_and_convert_charseq(:, [], _1270616)
^  Call: (233) [system] setup_call_cleanup('$notrace'(_1301404, _1301406), once(user:catch(read_from_chars([:], _1270616), _1301380, fail)), '$restore_trace'(_1301404, _1301406))
^  Call: (234) [system] sig_atomic(system:'$notrace'(_1301404, _1301406))
^  Exit: (233) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1301380, fail)), system:'$restore_trace'(3, -1))
   Call: (232) [system] atomic(:)
   Exit: (232) [system] atomic(:)
^  Exit: (231) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (230) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1308904)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1310762)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _1317572)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1320276)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1329668)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1333382)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1335240)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1343708)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1333382)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1349278)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (233) [system] 'D'=(;)
^  Call: (233) [user] is_like_space('D')
   Call: (234) [system] char_type('D', 'white')
   Call: (234) [system] char_type('D', end_of_line)
   Call: (234) [system] char_type('D', space)
   Call: (234) [system] char_type('D', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1357746)
   Exit: (232) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (232) [system] 'D'=')'
   Call: (232) [system] 'D'=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1361460)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1363318)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (234) [system] 'D'=(;)
^  Call: (234) [user] is_like_space('D')
   Call: (235) [system] char_type('D', 'white')
   Call: (235) [system] char_type('D', end_of_line)
   Call: (235) [system] char_type('D', space)
   Call: (235) [system] char_type('D', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1371786)
   Exit: (233) [system] get_char((0x56051b6b4f40), 'D')
   Call: (233) [system] 'D'='('
   Call: (233) [system] 'D'='['
   Call: (233) [system] 'D'='{'
   Call: (233) [system] 'D'='"'
   Call: (233) [system] 'D'=!
   Call: (233) [system] 'D'='\''
   Call: (233) [system] 'D'='`'
   Call: (233) [system] 'D'=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1361460)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1382004)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1382938)
   Exit: (235) [system] peek_char((0x56051b6b4f40), i)
^  Call: (235) [user] is_delimiter(i)
   Call: (236) [system] char_type(i, space)
   Call: (236) [system] arg(_1386730, v('(', ')', end_of_file), i)
   Call: (235) [system] ')'==i
   Call: (235) [system] get_char((0x56051b6b4f40), i)
   Exit: (235) [system] get_char((0x56051b6b4f40), i)
   Call: (235) [system] i=(\)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1391300)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1392234)
   Exit: (236) [system] peek_char((0x56051b6b4f40), s)
^  Call: (236) [user] is_delimiter(s)
   Call: (237) [system] char_type(s, space)
   Call: (237) [system] arg(_1396026, v('(', ')', end_of_file), s)
   Call: (236) [system] ')'==s
   Call: (236) [system] get_char((0x56051b6b4f40), s)
   Exit: (236) [system] get_char((0x56051b6b4f40), s)
   Call: (236) [system] s=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1400596)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1401530)
   Exit: (237) [system] peek_char((0x56051b6b4f40), j)
^  Call: (237) [user] is_delimiter(j)
   Call: (238) [system] char_type(j, space)
   Call: (238) [system] arg(_1405322, v('(', ')', end_of_file), j)
   Call: (237) [system] ')'==j
   Call: (237) [system] get_char((0x56051b6b4f40), j)
   Exit: (237) [system] get_char((0x56051b6b4f40), j)
   Call: (237) [system] j=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1409892)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1410826)
   Exit: (238) [system] peek_char((0x56051b6b4f40), u)
^  Call: (238) [user] is_delimiter(u)
   Call: (239) [system] char_type(u, space)
   Call: (239) [system] arg(_1414618, v('(', ')', end_of_file), u)
   Call: (238) [system] ')'==u
   Call: (238) [system] get_char((0x56051b6b4f40), u)
   Exit: (238) [system] get_char((0x56051b6b4f40), u)
   Call: (238) [system] u=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1419188)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1420122)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_1423914, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1428484)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1429418)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_1433210, v('(', ')', end_of_file), c)
   Call: (240) [system] ')'==c
   Call: (240) [system] get_char((0x56051b6b4f40), c)
   Exit: (240) [system] get_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1437780)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1438714)
   Exit: (241) [system] peek_char((0x56051b6b4f40), t)
^  Call: (241) [user] is_delimiter(t)
   Call: (242) [system] char_type(t, space)
   Call: (242) [system] arg(_1442506, v('(', ')', end_of_file), t)
   Call: (241) [system] ')'==t
   Call: (241) [system] get_char((0x56051b6b4f40), t)
   Exit: (241) [system] get_char((0x56051b6b4f40), t)
   Call: (241) [system] t=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1447076)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1448010)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1451802, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1456372)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1457306)
   Exit: (243) [system] peek_char((0x56051b6b4f40), o)
^  Call: (243) [user] is_delimiter(o)
   Call: (244) [system] char_type(o, space)
   Call: (244) [system] arg(_1461098, v('(', ')', end_of_file), o)
   Call: (243) [system] ')'==o
   Call: (243) [system] get_char((0x56051b6b4f40), o)
   Exit: (243) [system] get_char((0x56051b6b4f40), o)
   Call: (243) [system] o=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1465668)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1466602)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1470394, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1474964)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1475898)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (245) [user] is_delimiter('I')
   Call: (246) [system] char_type('I', space)
   Call: (246) [system] arg(_1479690, v('(', ')', end_of_file), 'I')
   Call: (245) [system] ')'=='I'
   Call: (245) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (245) [system] get_char((0x56051b6b4f40), 'I')
   Call: (245) [system] 'I'=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1484260)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1485194)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1488986, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1493556)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1494490)
   Exit: (247) [system] peek_char((0x56051b6b4f40), t)
^  Call: (247) [user] is_delimiter(t)
   Call: (248) [system] char_type(t, space)
   Call: (248) [system] arg(_1498282, v('(', ')', end_of_file), t)
   Call: (247) [system] ')'==t
   Call: (247) [system] get_char((0x56051b6b4f40), t)
   Exit: (247) [system] get_char((0x56051b6b4f40), t)
   Call: (247) [system] t=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1502852)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1503786)
   Exit: (248) [system] peek_char((0x56051b6b4f40), r)
^  Call: (248) [user] is_delimiter(r)
   Call: (249) [system] char_type(r, space)
   Call: (249) [system] arg(_1507578, v('(', ')', end_of_file), r)
   Call: (248) [system] ')'==r
   Call: (248) [system] get_char((0x56051b6b4f40), r)
   Exit: (248) [system] get_char((0x56051b6b4f40), r)
   Call: (248) [system] r=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1512148)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1513082)
   Exit: (249) [system] peek_char((0x56051b6b4f40), o)
^  Call: (249) [user] is_delimiter(o)
   Call: (250) [system] char_type(o, space)
   Call: (250) [system] arg(_1516874, v('(', ')', end_of_file), o)
   Call: (249) [system] ')'==o
   Call: (249) [system] get_char((0x56051b6b4f40), o)
   Exit: (249) [system] get_char((0x56051b6b4f40), o)
   Call: (249) [system] o=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1521444)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1522378)
   Exit: (250) [system] peek_char((0x56051b6b4f40), d)
^  Call: (250) [user] is_delimiter(d)
   Call: (251) [system] char_type(d, space)
   Call: (251) [system] arg(_1526170, v('(', ')', end_of_file), d)
   Call: (250) [system] ')'==d
   Call: (250) [system] get_char((0x56051b6b4f40), d)
   Exit: (250) [system] get_char((0x56051b6b4f40), d)
   Call: (250) [system] d=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1530740)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1531674)
   Exit: (251) [system] peek_char((0x56051b6b4f40), u)
^  Call: (251) [user] is_delimiter(u)
   Call: (252) [system] char_type(u, space)
   Call: (252) [system] arg(_1535466, v('(', ')', end_of_file), u)
   Call: (251) [system] ')'==u
   Call: (251) [system] get_char((0x56051b6b4f40), u)
   Exit: (251) [system] get_char((0x56051b6b4f40), u)
   Call: (251) [system] u=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1540036)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1540970)
   Exit: (252) [system] peek_char((0x56051b6b4f40), c)
^  Call: (252) [user] is_delimiter(c)
   Call: (253) [system] char_type(c, space)
   Call: (253) [system] arg(_1544762, v('(', ')', end_of_file), c)
   Call: (252) [system] ')'==c
   Call: (252) [system] get_char((0x56051b6b4f40), c)
   Exit: (252) [system] get_char((0x56051b6b4f40), c)
   Call: (252) [system] c=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1549332)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1550266)
   Exit: (253) [system] peek_char((0x56051b6b4f40), t)
^  Call: (253) [user] is_delimiter(t)
   Call: (254) [system] char_type(t, space)
   Call: (254) [system] arg(_1554058, v('(', ')', end_of_file), t)
   Call: (253) [system] ')'==t
   Call: (253) [system] get_char((0x56051b6b4f40), t)
   Exit: (253) [system] get_char((0x56051b6b4f40), t)
   Call: (253) [system] t=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1558628)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1559562)
   Exit: (254) [system] peek_char((0x56051b6b4f40), i)
^  Call: (254) [user] is_delimiter(i)
   Call: (255) [system] char_type(i, space)
   Call: (255) [system] arg(_1563354, v('(', ')', end_of_file), i)
   Call: (254) [system] ')'==i
   Call: (254) [system] get_char((0x56051b6b4f40), i)
   Exit: (254) [system] get_char((0x56051b6b4f40), i)
   Call: (254) [system] i=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1567924)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1568858)
   Exit: (255) [system] peek_char((0x56051b6b4f40), o)
^  Call: (255) [user] is_delimiter(o)
   Call: (256) [system] char_type(o, space)
   Call: (256) [system] arg(_1572650, v('(', ')', end_of_file), o)
   Call: (255) [system] ')'==o
   Call: (255) [system] get_char((0x56051b6b4f40), o)
   Exit: (255) [system] get_char((0x56051b6b4f40), o)
   Call: (255) [system] o=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1577220)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1578154)
   Exit: (256) [system] peek_char((0x56051b6b4f40), n)
^  Call: (256) [user] is_delimiter(n)
   Call: (257) [system] char_type(n, space)
   Call: (257) [system] arg(_1581946, v('(', ')', end_of_file), n)
   Call: (256) [system] ')'==n
   Call: (256) [system] get_char((0x56051b6b4f40), n)
   Exit: (256) [system] get_char((0x56051b6b4f40), n)
   Call: (256) [system] n=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1586516)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1587450)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (257) [user] is_delimiter(' ')
   Call: (258) [system] char_type(' ', space)
   Exit: (258) [system] char_type(' ', space)
^  Exit: (257) [user] is_delimiter(' ')
   Call: (257) [system] _1586516=[]
   Exit: (257) [system] []=[]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (256) [system] _1577220=[n]
   Exit: (256) [system] [n]=[n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (255) [system] _1567924=[o, n]
   Exit: (255) [system] [o, n]=[o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (254) [system] _1558628=[i, o, n]
   Exit: (254) [system] [i, o, n]=[i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (253) [system] _1549332=[t, i, o, n]
   Exit: (253) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (252) [system] _1540036=[c, t, i, o, n]
   Exit: (252) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (251) [system] _1530740=[u, c, t, i, o, n]
   Exit: (251) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (250) [system] _1521444=[d, u, c, t, i, o, n]
   Exit: (250) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (249) [system] _1512148=[o, d, u, c, t, i, o, n]
   Exit: (249) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (248) [system] _1502852=[r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _1493556=[t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _1484260=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1474964=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1465668=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1456372=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1447076=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1437780=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1428484=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1419188=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1409892=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _1400596=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _1391300=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (235) [system] _1382004=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (235) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (234) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1361460)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1658228, _1658230), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1361460), _1658204, fail)), '$restore_trace'(_1658228, _1658230))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1658228, _1658230))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1361460), _1658204, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(_1361460)
   Call: (235) [system] atom_chars(_1361460, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (235) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (234) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1666680)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1668538)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1675348)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1678052)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
   Call: (235) [system] a=(;)
^  Call: (235) [user] is_like_space(a)
   Call: (236) [system] char_type(a, 'white')
   Call: (236) [system] char_type(a, end_of_line)
   Call: (236) [system] char_type(a, space)
   Call: (236) [system] char_type(a, cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1687444)
   Exit: (233) [system] peek_char((0x56051b6b4f40), a)
   Call: (233) [system] a=')'
   Call: (233) [system] a=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1691158)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1693016)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
   Call: (235) [system] a=(;)
^  Call: (235) [user] is_like_space(a)
   Call: (236) [system] char_type(a, 'white')
   Call: (236) [system] char_type(a, end_of_line)
   Call: (236) [system] char_type(a, space)
   Call: (236) [system] char_type(a, cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1701484)
   Exit: (234) [system] get_char((0x56051b6b4f40), a)
   Call: (234) [system] a='('
   Call: (234) [system] a='['
   Call: (234) [system] a='{'
   Call: (234) [system] a='"'
   Call: (234) [system] a=!
   Call: (234) [system] a='\''
   Call: (234) [system] a='`'
   Call: (234) [system] a=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), a, _1691158)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1711702)
   Call: (236) [system] peek_char((0x56051b6b4f40), _1712636)
   Exit: (236) [system] peek_char((0x56051b6b4f40), b)
^  Call: (236) [user] is_delimiter(b)
   Call: (237) [system] char_type(b, space)
   Call: (237) [system] arg(_1716428, v('(', ')', end_of_file), b)
   Call: (236) [system] ')'==b
   Call: (236) [system] get_char((0x56051b6b4f40), b)
   Exit: (236) [system] get_char((0x56051b6b4f40), b)
   Call: (236) [system] b=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1720998)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1721932)
   Exit: (237) [system] peek_char((0x56051b6b4f40), c)
^  Call: (237) [user] is_delimiter(c)
   Call: (238) [system] char_type(c, space)
   Call: (238) [system] arg(_1725724, v('(', ')', end_of_file), c)
   Call: (237) [system] ')'==c
   Call: (237) [system] get_char((0x56051b6b4f40), c)
   Exit: (237) [system] get_char((0x56051b6b4f40), c)
   Call: (237) [system] c=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1730294)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1731228)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _1730294=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (237) [system] _1720998=[c]
   Exit: (237) [system] [c]=[c]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (236) [system] _1711702=[b, c]
   Exit: (236) [system] [b, c]=[b, c]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (235) [user] classify_and_convert_charseq(a, [b, c], _1691158)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_1746126, _1746128), once(user:catch(read_from_chars([a, b, c], _1691158), _1746102, fail)), '$restore_trace'(_1746126, _1746128))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_1746126, _1746128))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1746102, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(abc)
   Exit: (236) [system] atomic(abc)
^  Exit: (235) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1753626)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1755484)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _1762294)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1764998)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1774390)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=')'
   Call: (234) [system] '('=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1778104)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1779962)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1788430)
   Exit: (235) [system] get_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('='('
   Exit: (235) [system] '('='('
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1778104)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1794000)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'=(;)
^  Call: (237) [user] is_like_space('C')
   Call: (238) [system] char_type('C', 'white')
   Call: (238) [system] char_type('C', end_of_line)
   Call: (238) [system] char_type('C', space)
   Call: (238) [system] char_type('C', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1802468)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (236) [system] 'C'=')'
   Call: (236) [system] 'C'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1806182)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1808040)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'=(;)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1816508)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'='('
   Call: (237) [system] 'C'='['
   Call: (237) [system] 'C'='{'
   Call: (237) [system] 'C'='"'
   Call: (237) [system] 'C'=!
   Call: (237) [system] 'C'='\''
   Call: (237) [system] 'C'='`'
   Call: (237) [system] 'C'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1806182)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1826726)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1827660)
   Exit: (239) [system] peek_char((0x56051b6b4f40), o)
^  Call: (239) [user] is_delimiter(o)
   Call: (240) [system] char_type(o, space)
   Call: (240) [system] arg(_1831452, v('(', ')', end_of_file), o)
   Call: (239) [system] ')'==o
   Call: (239) [system] get_char((0x56051b6b4f40), o)
   Exit: (239) [system] get_char((0x56051b6b4f40), o)
   Call: (239) [system] o=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1836022)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1836956)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1840748, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1845318)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1846252)
   Exit: (241) [system] peek_char((0x56051b6b4f40), j)
^  Call: (241) [user] is_delimiter(j)
   Call: (242) [system] char_type(j, space)
   Call: (242) [system] arg(_1850044, v('(', ')', end_of_file), j)
   Call: (241) [system] ')'==j
   Call: (241) [system] get_char((0x56051b6b4f40), j)
   Exit: (241) [system] get_char((0x56051b6b4f40), j)
   Call: (241) [system] j=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1854614)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1855548)
   Exit: (242) [system] peek_char((0x56051b6b4f40), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_1859340, v('(', ')', end_of_file), u)
   Call: (242) [system] ')'==u
   Call: (242) [system] get_char((0x56051b6b4f40), u)
   Exit: (242) [system] get_char((0x56051b6b4f40), u)
   Call: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1863910)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1864844)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1868636, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1873206)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1874140)
   Exit: (244) [system] peek_char((0x56051b6b4f40), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_1877932, v('(', ')', end_of_file), c)
   Call: (244) [system] ')'==c
   Call: (244) [system] get_char((0x56051b6b4f40), c)
   Exit: (244) [system] get_char((0x56051b6b4f40), c)
   Call: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1882502)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1883436)
   Exit: (245) [system] peek_char((0x56051b6b4f40), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_1887228, v('(', ')', end_of_file), t)
   Call: (245) [system] ')'==t
   Call: (245) [system] get_char((0x56051b6b4f40), t)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1891798)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1892732)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_1896524, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1901094)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1902028)
   Exit: (247) [system] peek_char((0x56051b6b4f40), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_1905820, v('(', ')', end_of_file), o)
   Call: (247) [system] ')'==o
   Call: (247) [system] get_char((0x56051b6b4f40), o)
   Exit: (247) [system] get_char((0x56051b6b4f40), o)
   Call: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1910390)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1911324)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_1915116, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1919686)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1920620)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (249) [user] is_delimiter('I')
   Call: (250) [system] char_type('I', space)
   Call: (250) [system] arg(_1924412, v('(', ')', end_of_file), 'I')
   Call: (249) [system] ')'=='I'
   Call: (249) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (249) [system] get_char((0x56051b6b4f40), 'I')
   Call: (249) [system] 'I'=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1928982)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1929916)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_1933708, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1938278)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1939212)
   Exit: (251) [system] peek_char((0x56051b6b4f40), t)
^  Call: (251) [user] is_delimiter(t)
   Call: (252) [system] char_type(t, space)
   Call: (252) [system] arg(_1943004, v('(', ')', end_of_file), t)
   Call: (251) [system] ')'==t
   Call: (251) [system] get_char((0x56051b6b4f40), t)
   Exit: (251) [system] get_char((0x56051b6b4f40), t)
   Call: (251) [system] t=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1947574)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1948508)
   Exit: (252) [system] peek_char((0x56051b6b4f40), r)
^  Call: (252) [user] is_delimiter(r)
   Call: (253) [system] char_type(r, space)
   Call: (253) [system] arg(_1952300, v('(', ')', end_of_file), r)
   Call: (252) [system] ')'==r
   Call: (252) [system] get_char((0x56051b6b4f40), r)
   Exit: (252) [system] get_char((0x56051b6b4f40), r)
   Call: (252) [system] r=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1956870)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1957804)
   Exit: (253) [system] peek_char((0x56051b6b4f40), o)
^  Call: (253) [user] is_delimiter(o)
   Call: (254) [system] char_type(o, space)
   Call: (254) [system] arg(_1961596, v('(', ')', end_of_file), o)
   Call: (253) [system] ')'==o
   Call: (253) [system] get_char((0x56051b6b4f40), o)
   Exit: (253) [system] get_char((0x56051b6b4f40), o)
   Call: (253) [system] o=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1966166)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1967100)
   Exit: (254) [system] peek_char((0x56051b6b4f40), d)
^  Call: (254) [user] is_delimiter(d)
   Call: (255) [system] char_type(d, space)
   Call: (255) [system] arg(_1970892, v('(', ')', end_of_file), d)
   Call: (254) [system] ')'==d
   Call: (254) [system] get_char((0x56051b6b4f40), d)
   Exit: (254) [system] get_char((0x56051b6b4f40), d)
   Call: (254) [system] d=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1975462)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1976396)
   Exit: (255) [system] peek_char((0x56051b6b4f40), u)
^  Call: (255) [user] is_delimiter(u)
   Call: (256) [system] char_type(u, space)
   Call: (256) [system] arg(_1980188, v('(', ')', end_of_file), u)
   Call: (255) [system] ')'==u
   Call: (255) [system] get_char((0x56051b6b4f40), u)
   Exit: (255) [system] get_char((0x56051b6b4f40), u)
   Call: (255) [system] u=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1984758)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1985692)
   Exit: (256) [system] peek_char((0x56051b6b4f40), c)
^  Call: (256) [user] is_delimiter(c)
   Call: (257) [system] char_type(c, space)
   Call: (257) [system] arg(_1989484, v('(', ')', end_of_file), c)
   Call: (256) [system] ')'==c
   Call: (256) [system] get_char((0x56051b6b4f40), c)
   Exit: (256) [system] get_char((0x56051b6b4f40), c)
   Call: (256) [system] c=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1994054)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1994988)
   Exit: (257) [system] peek_char((0x56051b6b4f40), t)
^  Call: (257) [user] is_delimiter(t)
   Call: (258) [system] char_type(t, space)
   Call: (258) [system] arg(_1998780, v('(', ')', end_of_file), t)
   Call: (257) [system] ')'==t
   Call: (257) [system] get_char((0x56051b6b4f40), t)
   Exit: (257) [system] get_char((0x56051b6b4f40), t)
   Call: (257) [system] t=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2003350)
   Call: (258) [system] peek_char((0x56051b6b4f40), _2004284)
   Exit: (258) [system] peek_char((0x56051b6b4f40), i)
^  Call: (258) [user] is_delimiter(i)
   Call: (259) [system] char_type(i, space)
   Call: (259) [system] arg(_2008076, v('(', ')', end_of_file), i)
   Call: (258) [system] ')'==i
   Call: (258) [system] get_char((0x56051b6b4f40), i)
   Exit: (258) [system] get_char((0x56051b6b4f40), i)
   Call: (258) [system] i=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2012646)
   Call: (259) [system] peek_char((0x56051b6b4f40), _2013580)
   Exit: (259) [system] peek_char((0x56051b6b4f40), o)
^  Call: (259) [user] is_delimiter(o)
   Call: (260) [system] char_type(o, space)
   Call: (260) [system] arg(_2017372, v('(', ')', end_of_file), o)
   Call: (259) [system] ')'==o
   Call: (259) [system] get_char((0x56051b6b4f40), o)
   Exit: (259) [system] get_char((0x56051b6b4f40), o)
   Call: (259) [system] o=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2021942)
   Call: (260) [system] peek_char((0x56051b6b4f40), _2022876)
   Exit: (260) [system] peek_char((0x56051b6b4f40), n)
^  Call: (260) [user] is_delimiter(n)
   Call: (261) [system] char_type(n, space)
   Call: (261) [system] arg(_2026668, v('(', ')', end_of_file), n)
   Call: (260) [system] ')'==n
   Call: (260) [system] get_char((0x56051b6b4f40), n)
   Exit: (260) [system] get_char((0x56051b6b4f40), n)
   Call: (260) [system] n=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2031238)
   Call: (261) [system] peek_char((0x56051b6b4f40), _2032172)
   Exit: (261) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (261) [user] is_delimiter(' ')
   Call: (262) [system] char_type(' ', space)
   Exit: (262) [system] char_type(' ', space)
^  Exit: (261) [user] is_delimiter(' ')
   Call: (261) [system] _2031238=[]
   Exit: (261) [system] []=[]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (260) [system] _2021942=[n]
   Exit: (260) [system] [n]=[n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (259) [system] _2012646=[o, n]
   Exit: (259) [system] [o, n]=[o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (258) [system] _2003350=[i, o, n]
   Exit: (258) [system] [i, o, n]=[i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (257) [system] _1994054=[t, i, o, n]
   Exit: (257) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (256) [system] _1984758=[c, t, i, o, n]
   Exit: (256) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (255) [system] _1975462=[u, c, t, i, o, n]
   Exit: (255) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (254) [system] _1966166=[d, u, c, t, i, o, n]
   Exit: (254) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (253) [system] _1956870=[o, d, u, c, t, i, o, n]
   Exit: (253) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (252) [system] _1947574=[r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _1938278=[t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _1928982=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _1919686=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _1910390=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _1901094=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _1891798=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1882502=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1873206=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1863910=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1854614=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1845318=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _9208=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _9204=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (238) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9200)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_15534, _15536), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9200), _15510, fail)), '$restore_trace'(_15534, _15536))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_15534, _15536))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9200), _15510, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_9200)
   Call: (239) [system] atom_chars(_9200, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (239) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (238) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _23986)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _25844)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _32654)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _35358)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(;)
^  Call: (239) [user] is_like_space(a)
   Call: (240) [system] char_type(a, 'white')
   Call: (240) [system] char_type(a, end_of_line)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] char_type(a, cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _44750)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
   Call: (237) [system] a=')'
   Call: (237) [system] a=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _48464)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _50322)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(;)
^  Call: (239) [user] is_like_space(a)
   Call: (240) [system] char_type(a, 'white')
   Call: (240) [system] char_type(a, end_of_line)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] char_type(a, cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _58790)
   Exit: (238) [system] get_char((0x56051b6b4f40), a)
   Call: (238) [system] a='('
   Call: (238) [system] a='['
   Call: (238) [system] a='{'
   Call: (238) [system] a='"'
   Call: (238) [system] a=!
   Call: (238) [system] a='\''
   Call: (238) [system] a='`'
   Call: (238) [system] a=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), a, _48464)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _69008)
   Call: (240) [system] peek_char((0x56051b6b4f40), _69942)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _69008=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq(a, [], _48464)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_79252, _79254), once(user:catch(read_from_chars([a], _48464), _79228, fail)), '$restore_trace'(_79252, _79254))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_79252, _79254))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _79228, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(a)
   Exit: (240) [system] atomic(a)
^  Exit: (239) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _86752)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _88610)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _95420)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _98124)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(;)
^  Call: (240) [user] is_like_space(c)
   Call: (241) [system] char_type(c, 'white')
   Call: (241) [system] char_type(c, end_of_line)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] char_type(c, cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _107516)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
   Call: (238) [system] c=')'
   Call: (238) [system] c=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _111230)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _113088)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(;)
^  Call: (240) [user] is_like_space(c)
   Call: (241) [system] char_type(c, 'white')
   Call: (241) [system] char_type(c, end_of_line)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] char_type(c, cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _121556)
   Exit: (239) [system] get_char((0x56051b6b4f40), c)
   Call: (239) [system] c='('
   Call: (239) [system] c='['
   Call: (239) [system] c='{'
   Call: (239) [system] c='"'
   Call: (239) [system] c=!
   Call: (239) [system] c='\''
   Call: (239) [system] c='`'
   Call: (239) [system] c=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), c, _111230)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _131774)
   Call: (241) [system] peek_char((0x56051b6b4f40), _132708)
   Exit: (241) [system] peek_char((0x56051b6b4f40), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_136500, v('(', ')', end_of_file), d)
   Call: (241) [system] ')'==d
   Call: (241) [system] get_char((0x56051b6b4f40), d)
   Exit: (241) [system] get_char((0x56051b6b4f40), d)
   Call: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _141070)
   Call: (242) [system] peek_char((0x56051b6b4f40), _142004)
   Exit: (242) [system] peek_char((0x56051b6b4f40), e)
^  Call: (242) [user] is_delimiter(e)
   Call: (243) [system] char_type(e, space)
   Call: (243) [system] arg(_145796, v('(', ')', end_of_file), e)
   Call: (242) [system] ')'==e
   Call: (242) [system] get_char((0x56051b6b4f40), e)
   Exit: (242) [system] get_char((0x56051b6b4f40), e)
   Call: (242) [system] e=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _150366)
   Call: (243) [system] peek_char((0x56051b6b4f40), _151300)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (243) [user] is_delimiter(')')
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] arg(_155092, v('(', ')', end_of_file), ')')
   Exit: (244) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (243) [user] is_delimiter(')')
   Call: (243) [system] _150366=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _141070=[e]
   Exit: (242) [system] [e]=[e]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (241) [system] _131774=[d, e]
   Exit: (241) [system] [d, e]=[d, e]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (240) [user] classify_and_convert_charseq(c, [d, e], _111230)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_167142, _167144), once(user:catch(read_from_chars([c, d, e], _111230), _167118, fail)), '$restore_trace'(_167142, _167144))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_167142, _167144))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _167118, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(cde)
   Exit: (241) [system] atomic(cde)
^  Exit: (240) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _174642)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _176500)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=(;)
^  Call: (240) [user] is_like_space(')')
   Call: (241) [system] char_type(')', 'white')
   Call: (241) [system] char_type(')', end_of_line)
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] char_type(')', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _184968)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=')'
   Exit: (239) [system] ')'=')'
   Call: (239) [system] get_char((0x56051b6b4f40), _188758)
   Exit: (239) [system] get_char((0x56051b6b4f40), ')')
   Call: (239) [system] _174642=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (238) [system] _86752=[cde]
   Exit: (238) [system] [cde]=[cde]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (237) [system] _23986=[a, cde]
   Exit: (237) [system] [a, cde]=[a, cde]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [a, cde])
   Call: (236) [system] _9194=['ConjunctionIntroduction', a, cde]
   Exit: (236) [system] ['ConjunctionIntroduction', a, cde]=['ConjunctionIntroduction', a, cde]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, cde])
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, cde])
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _202640)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _204498)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _212966)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x56051b6b4f40), _216756)
   Exit: (235) [system] get_char((0x56051b6b4f40), ')')
   Call: (235) [system] _202640=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (234) [system] _9190=[['ConjunctionIntroduction', a, cde]]
   Exit: (234) [system] [['ConjunctionIntroduction', a, cde]]=[['ConjunctionIntroduction', a, cde]]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, cde]])
   Call: (233) [system] _9184=[abc, ['ConjunctionIntroduction', a, cde]]
   Exit: (233) [system] [abc, ['ConjunctionIntroduction', a, cde]]=[abc, ['ConjunctionIntroduction', a, cde]]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', a, cde]])
   Call: (232) [system] _9176=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]]
   Exit: (232) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]])
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]])
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _230638)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _232496)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _239306)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _242010)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _251402)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=')'
   Call: (231) [system] '('=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _255116)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _256974)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _265442)
   Exit: (232) [system] get_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('='('
   Exit: (232) [system] '('='('
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _255116)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _271012)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (234) [system] 'O'=(;)
^  Call: (234) [user] is_like_space('O')
   Call: (235) [system] char_type('O', 'white')
   Call: (235) [system] char_type('O', end_of_line)
   Call: (235) [system] char_type('O', space)
   Call: (235) [system] char_type('O', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _279480)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (233) [system] 'O'=')'
   Call: (233) [system] 'O'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _283194)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _285052)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (235) [system] 'O'=(;)
^  Call: (235) [user] is_like_space('O')
   Call: (236) [system] char_type('O', 'white')
   Call: (236) [system] char_type('O', end_of_line)
   Call: (236) [system] char_type('O', space)
   Call: (236) [system] char_type('O', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _293520)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'O')
   Call: (234) [system] 'O'='('
   Call: (234) [system] 'O'='['
   Call: (234) [system] 'O'='{'
   Call: (234) [system] 'O'='"'
   Call: (234) [system] 'O'=!
   Call: (234) [system] 'O'='\''
   Call: (234) [system] 'O'='`'
   Call: (234) [system] 'O'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _283194)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _303738)
   Call: (236) [system] peek_char((0x56051b6b4f40), _304672)
   Exit: (236) [system] peek_char((0x56051b6b4f40), r)
^  Call: (236) [user] is_delimiter(r)
   Call: (237) [system] char_type(r, space)
   Call: (237) [system] arg(_308464, v('(', ')', end_of_file), r)
   Call: (236) [system] ')'==r
   Call: (236) [system] get_char((0x56051b6b4f40), r)
   Exit: (236) [system] get_char((0x56051b6b4f40), r)
   Call: (236) [system] r=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _313034)
   Call: (237) [system] peek_char((0x56051b6b4f40), _313968)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (237) [user] is_delimiter('L')
   Call: (238) [system] char_type('L', space)
   Call: (238) [system] arg(_317760, v('(', ')', end_of_file), 'L')
   Call: (237) [system] ')'=='L'
   Call: (237) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (237) [system] get_char((0x56051b6b4f40), 'L')
   Call: (237) [system] 'L'=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _322330)
   Call: (238) [system] peek_char((0x56051b6b4f40), _323264)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_327056, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _331626)
   Call: (239) [system] peek_char((0x56051b6b4f40), _332560)
   Exit: (239) [system] peek_char((0x56051b6b4f40), n)
^  Call: (239) [user] is_delimiter(n)
   Call: (240) [system] char_type(n, space)
   Call: (240) [system] arg(_336352, v('(', ')', end_of_file), n)
   Call: (239) [system] ')'==n
   Call: (239) [system] get_char((0x56051b6b4f40), n)
   Exit: (239) [system] get_char((0x56051b6b4f40), n)
   Call: (239) [system] n=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _340922)
   Call: (240) [system] peek_char((0x56051b6b4f40), _341856)
   Exit: (240) [system] peek_char((0x56051b6b4f40), k)
^  Call: (240) [user] is_delimiter(k)
   Call: (241) [system] char_type(k, space)
   Call: (241) [system] arg(_345648, v('(', ')', end_of_file), k)
   Call: (240) [system] ')'==k
   Call: (240) [system] get_char((0x56051b6b4f40), k)
   Exit: (240) [system] get_char((0x56051b6b4f40), k)
   Call: (240) [system] k=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _350218)
   Call: (241) [system] peek_char((0x56051b6b4f40), _351152)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _350218=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _340922=[k]
   Exit: (240) [system] [k]=[k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (239) [system] _331626=[n, k]
   Exit: (239) [system] [n, k]=[n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (238) [system] _322330=[i, n, k]
   Exit: (238) [system] [i, n, k]=[i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (237) [system] _313034=['L', i, n, k]
   Exit: (237) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (236) [system] _303738=[r, 'L', i, n, k]
   Exit: (236) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (235) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _283194)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_374432, _374434), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _283194), _374408, fail)), '$restore_trace'(_374432, _374434))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_374432, _374434))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _283194), _374408, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_283194)
   Call: (236) [system] atom_chars(_283194, ['O', r, 'L', i, n, k])
   Exit: (236) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (235) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _382884)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _384742)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _391552)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _394256)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _403648)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=')'
   Call: (234) [system] '('=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _407362)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _409220)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _417688)
   Exit: (235) [system] get_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('='('
   Exit: (235) [system] '('='('
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _407362)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _423258)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=(;)
^  Call: (237) [user] is_like_space('I')
   Call: (238) [system] char_type('I', 'white')
   Call: (238) [system] char_type('I', end_of_line)
   Call: (238) [system] char_type('I', space)
   Call: (238) [system] char_type('I', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _431726)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (236) [system] 'I'=')'
   Call: (236) [system] 'I'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _435440)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _437298)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'=(;)
^  Call: (238) [user] is_like_space('I')
   Call: (239) [system] char_type('I', 'white')
   Call: (239) [system] char_type('I', end_of_line)
   Call: (239) [system] char_type('I', space)
   Call: (239) [system] char_type('I', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _445766)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'='('
   Call: (237) [system] 'I'='['
   Call: (237) [system] 'I'='{'
   Call: (237) [system] 'I'='"'
   Call: (237) [system] 'I'=!
   Call: (237) [system] 'I'='\''
   Call: (237) [system] 'I'='`'
   Call: (237) [system] 'I'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _435440)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _455984)
   Call: (239) [system] peek_char((0x56051b6b4f40), _456918)
   Exit: (239) [system] peek_char((0x56051b6b4f40), m)
^  Call: (239) [user] is_delimiter(m)
   Call: (240) [system] char_type(m, space)
   Call: (240) [system] arg(_460710, v('(', ')', end_of_file), m)
   Call: (239) [system] ')'==m
   Call: (239) [system] get_char((0x56051b6b4f40), m)
   Exit: (239) [system] get_char((0x56051b6b4f40), m)
   Call: (239) [system] m=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _465280)
   Call: (240) [system] peek_char((0x56051b6b4f40), _466214)
   Exit: (240) [system] peek_char((0x56051b6b4f40), p)
^  Call: (240) [user] is_delimiter(p)
   Call: (241) [system] char_type(p, space)
   Call: (241) [system] arg(_470006, v('(', ')', end_of_file), p)
   Call: (240) [system] ')'==p
   Call: (240) [system] get_char((0x56051b6b4f40), p)
   Exit: (240) [system] get_char((0x56051b6b4f40), p)
   Call: (240) [system] p=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _474576)
   Call: (241) [system] peek_char((0x56051b6b4f40), _475510)
   Exit: (241) [system] peek_char((0x56051b6b4f40), l)
^  Call: (241) [user] is_delimiter(l)
   Call: (242) [system] char_type(l, space)
   Call: (242) [system] arg(_479302, v('(', ')', end_of_file), l)
   Call: (241) [system] ')'==l
   Call: (241) [system] get_char((0x56051b6b4f40), l)
   Exit: (241) [system] get_char((0x56051b6b4f40), l)
   Call: (241) [system] l=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _483872)
   Call: (242) [system] peek_char((0x56051b6b4f40), _484806)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_488598, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _493168)
   Call: (243) [system] peek_char((0x56051b6b4f40), _494102)
   Exit: (243) [system] peek_char((0x56051b6b4f40), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_497894, v('(', ')', end_of_file), c)
   Call: (243) [system] ')'==c
   Call: (243) [system] get_char((0x56051b6b4f40), c)
   Exit: (243) [system] get_char((0x56051b6b4f40), c)
   Call: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _502464)
   Call: (244) [system] peek_char((0x56051b6b4f40), _503398)
   Exit: (244) [system] peek_char((0x56051b6b4f40), a)
^  Call: (244) [user] is_delimiter(a)
   Call: (245) [system] char_type(a, space)
   Call: (245) [system] arg(_507190, v('(', ')', end_of_file), a)
   Call: (244) [system] ')'==a
   Call: (244) [system] get_char((0x56051b6b4f40), a)
   Exit: (244) [system] get_char((0x56051b6b4f40), a)
   Call: (244) [system] a=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _511760)
   Call: (245) [system] peek_char((0x56051b6b4f40), _512694)
   Exit: (245) [system] peek_char((0x56051b6b4f40), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_516486, v('(', ')', end_of_file), t)
   Call: (245) [system] ')'==t
   Call: (245) [system] get_char((0x56051b6b4f40), t)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _521056)
   Call: (246) [system] peek_char((0x56051b6b4f40), _521990)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_525782, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _530352)
   Call: (247) [system] peek_char((0x56051b6b4f40), _531286)
   Exit: (247) [system] peek_char((0x56051b6b4f40), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_535078, v('(', ')', end_of_file), o)
   Call: (247) [system] ')'==o
   Call: (247) [system] get_char((0x56051b6b4f40), o)
   Exit: (247) [system] get_char((0x56051b6b4f40), o)
   Call: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _539648)
   Call: (248) [system] peek_char((0x56051b6b4f40), _540582)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_544374, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _548944)
   Call: (249) [system] peek_char((0x56051b6b4f40), _549878)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _548944=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (248) [system] _539648=[n]
   Exit: (248) [system] [n]=[n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (247) [system] _530352=[o, n]
   Exit: (247) [system] [o, n]=[o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (246) [system] _521056=[i, o, n]
   Exit: (246) [system] [i, o, n]=[i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (245) [system] _511760=[t, i, o, n]
   Exit: (245) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (244) [system] _502464=[a, t, i, o, n]
   Exit: (244) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (243) [system] _493168=[c, a, t, i, o, n]
   Exit: (243) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (242) [system] _483872=[i, c, a, t, i, o, n]
   Exit: (242) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (241) [system] _474576=[l, i, c, a, t, i, o, n]
   Exit: (241) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (240) [system] _465280=[p, l, i, c, a, t, i, o, n]
   Exit: (240) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (239) [system] _455984=[m, p, l, i, c, a, t, i, o, n]
   Exit: (239) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (238) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _435440)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_587128, _587130), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _435440), _587104, fail)), '$restore_trace'(_587128, _587130))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_587128, _587130))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _435440), _587104, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_435440)
   Call: (239) [system] atom_chars(_435440, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (239) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (238) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _595580)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _597438)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _604248)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _606952)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _616344)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=')'
   Call: (237) [system] '('=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _620058)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _621916)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _630384)
   Exit: (238) [system] get_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('='('
   Exit: (238) [system] '('='('
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _620058)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _635954)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=(;)
^  Call: (240) [user] is_like_space('A')
   Call: (241) [system] char_type('A', 'white')
   Call: (241) [system] char_type('A', end_of_line)
   Call: (241) [system] char_type('A', space)
   Call: (241) [system] char_type('A', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _644422)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=')'
   Call: (239) [system] 'A'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _648136)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _649994)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'=(;)
^  Call: (241) [user] is_like_space('A')
   Call: (242) [system] char_type('A', 'white')
   Call: (242) [system] char_type('A', end_of_line)
   Call: (242) [system] char_type('A', space)
   Call: (242) [system] char_type('A', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _658462)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'='('
   Call: (240) [system] 'A'='['
   Call: (240) [system] 'A'='{'
   Call: (240) [system] 'A'='"'
   Call: (240) [system] 'A'=!
   Call: (240) [system] 'A'='\''
   Call: (240) [system] 'A'='`'
   Call: (240) [system] 'A'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _648136)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _668680)
   Call: (242) [system] peek_char((0x56051b6b4f40), _669614)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_673406, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _677976)
   Call: (243) [system] peek_char((0x56051b6b4f40), _678910)
   Exit: (243) [system] peek_char((0x56051b6b4f40), d)
^  Call: (243) [user] is_delimiter(d)
   Call: (244) [system] char_type(d, space)
   Call: (244) [system] arg(_682702, v('(', ')', end_of_file), d)
   Call: (243) [system] ')'==d
   Call: (243) [system] get_char((0x56051b6b4f40), d)
   Exit: (243) [system] get_char((0x56051b6b4f40), d)
   Call: (243) [system] d=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _687272)
   Call: (244) [system] peek_char((0x56051b6b4f40), _688206)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (244) [user] is_delimiter('L')
   Call: (245) [system] char_type('L', space)
   Call: (245) [system] arg(_691998, v('(', ')', end_of_file), 'L')
   Call: (244) [system] ')'=='L'
   Call: (244) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (244) [system] get_char((0x56051b6b4f40), 'L')
   Call: (244) [system] 'L'=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _696568)
   Call: (245) [system] peek_char((0x56051b6b4f40), _697502)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_701294, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _705864)
   Call: (246) [system] peek_char((0x56051b6b4f40), _706798)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_710590, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _715160)
   Call: (247) [system] peek_char((0x56051b6b4f40), _716094)
   Exit: (247) [system] peek_char((0x56051b6b4f40), k)
^  Call: (247) [user] is_delimiter(k)
   Call: (248) [system] char_type(k, space)
   Call: (248) [system] arg(_719886, v('(', ')', end_of_file), k)
   Call: (247) [system] ')'==k
   Call: (247) [system] get_char((0x56051b6b4f40), k)
   Exit: (247) [system] get_char((0x56051b6b4f40), k)
   Call: (247) [system] k=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _724456)
   Call: (248) [system] peek_char((0x56051b6b4f40), _725390)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _724456=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _715160=[k]
   Exit: (247) [system] [k]=[k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (246) [system] _705864=[n, k]
   Exit: (246) [system] [n, k]=[n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (245) [system] _696568=[i, n, k]
   Exit: (245) [system] [i, n, k]=[i, n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (244) [system] _687272=['L', i, n, k]
   Exit: (244) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (243) [system] _677976=[d, 'L', i, n, k]
   Exit: (243) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (242) [system] _668680=[n, d, 'L', i, n, k]
   Exit: (242) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (241) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _648136)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_751464, _751466), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _648136), _751440, fail)), '$restore_trace'(_751464, _751466))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_751464, _751466))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _648136), _751440, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_648136)
   Call: (242) [system] atom_chars(_648136, ['A', n, d, 'L', i, n, k])
   Exit: (242) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (241) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _759916)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _761774)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _768584)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _771288)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (242) [system] 'A'=(;)
^  Call: (242) [user] is_like_space('A')
   Call: (243) [system] char_type('A', 'white')
   Call: (243) [system] char_type('A', end_of_line)
   Call: (243) [system] char_type('A', space)
   Call: (243) [system] char_type('A', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _780680)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=')'
   Call: (240) [system] 'A'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _784394)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _786252)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (242) [system] 'A'=(;)
^  Call: (242) [user] is_like_space('A')
   Call: (243) [system] char_type('A', 'white')
   Call: (243) [system] char_type('A', end_of_line)
   Call: (243) [system] char_type('A', space)
   Call: (243) [system] char_type('A', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _794720)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'='('
   Call: (241) [system] 'A'='['
   Call: (241) [system] 'A'='{'
   Call: (241) [system] 'A'='"'
   Call: (241) [system] 'A'=!
   Call: (241) [system] 'A'='\''
   Call: (241) [system] 'A'='`'
   Call: (241) [system] 'A'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _784394)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _804938)
   Call: (243) [system] peek_char((0x56051b6b4f40), _805872)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _804938=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (242) [user] classify_and_convert_charseq('A', [], _784394)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_815182, _815184), once(user:catch(read_from_chars(['A'], _784394), _815158, fail)), '$restore_trace'(_815182, _815184))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_815182, _815184))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _784394), _815158, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_784394)
   Call: (243) [system] atom_chars(_784394, ['A'])
   Exit: (243) [system] atom_chars('A', ['A'])
^  Exit: (242) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _823634)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _825492)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _832302)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _835006)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (243) [system] 'B'=(;)
^  Call: (243) [user] is_like_space('B')
   Call: (244) [system] char_type('B', 'white')
   Call: (244) [system] char_type('B', end_of_line)
   Call: (244) [system] char_type('B', space)
   Call: (244) [system] char_type('B', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _844398)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (241) [system] 'B'=')'
   Call: (241) [system] 'B'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _848112)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _849970)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (243) [system] 'B'=(;)
^  Call: (243) [user] is_like_space('B')
   Call: (244) [system] char_type('B', 'white')
   Call: (244) [system] char_type('B', end_of_line)
   Call: (244) [system] char_type('B', space)
   Call: (244) [system] char_type('B', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _858438)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'B')
   Call: (242) [system] 'B'='('
   Call: (242) [system] 'B'='['
   Call: (242) [system] 'B'='{'
   Call: (242) [system] 'B'='"'
   Call: (242) [system] 'B'=!
   Call: (242) [system] 'B'='\''
   Call: (242) [system] 'B'='`'
   Call: (242) [system] 'B'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _848112)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _868656)
   Call: (244) [system] peek_char((0x56051b6b4f40), _869590)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (244) [user] is_delimiter(')')
   Call: (245) [system] char_type(')', space)
   Call: (245) [system] arg(_873382, v('(', ')', end_of_file), ')')
   Exit: (245) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (244) [user] is_delimiter(')')
   Call: (244) [system] _868656=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (243) [user] classify_and_convert_charseq('B', [], _848112)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_879844, _879846), once(user:catch(read_from_chars(['B'], _848112), _879820, fail)), '$restore_trace'(_879844, _879846))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_879844, _879846))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _848112), _879820, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_848112)
   Call: (244) [system] atom_chars(_848112, ['B'])
   Exit: (244) [system] atom_chars('B', ['B'])
^  Exit: (243) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _888296)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _890154)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=(;)
^  Call: (243) [user] is_like_space(')')
   Call: (244) [system] char_type(')', 'white')
   Call: (244) [system] char_type(')', end_of_line)
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] char_type(')', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _898622)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=')'
   Exit: (242) [system] ')'=')'
   Call: (242) [system] get_char((0x56051b6b4f40), _902412)
   Exit: (242) [system] get_char((0x56051b6b4f40), ')')
   Call: (242) [system] _888296=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (241) [system] _823634=['B']
   Exit: (241) [system] ['B']=['B']
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (240) [system] _759916=['A', 'B']
   Exit: (240) [system] ['A', 'B']=['A', 'B']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (239) [system] _620058=['AndLink', 'A', 'B']
   Exit: (239) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _916294)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _918152)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _924962)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _927666)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (240) [system] 'C'=(;)
^  Call: (240) [user] is_like_space('C')
   Call: (241) [system] char_type('C', 'white')
   Call: (241) [system] char_type('C', end_of_line)
   Call: (241) [system] char_type('C', space)
   Call: (241) [system] char_type('C', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _937058)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'=')'
   Call: (238) [system] 'C'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _940772)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _942630)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (240) [system] 'C'=(;)
^  Call: (240) [user] is_like_space('C')
   Call: (241) [system] char_type('C', 'white')
   Call: (241) [system] char_type('C', end_of_line)
   Call: (241) [system] char_type('C', space)
   Call: (241) [system] char_type('C', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _951098)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'='('
   Call: (239) [system] 'C'='['
   Call: (239) [system] 'C'='{'
   Call: (239) [system] 'C'='"'
   Call: (239) [system] 'C'=!
   Call: (239) [system] 'C'='\''
   Call: (239) [system] 'C'='`'
   Call: (239) [system] 'C'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _940772)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _961316)
   Call: (241) [system] peek_char((0x56051b6b4f40), _962250)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (241) [user] is_delimiter(')')
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] arg(_966042, v('(', ')', end_of_file), ')')
   Exit: (242) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (241) [user] is_delimiter(')')
   Call: (241) [system] _961316=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq('C', [], _940772)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_972504, _972506), once(user:catch(read_from_chars(['C'], _940772), _972480, fail)), '$restore_trace'(_972504, _972506))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_972504, _972506))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _940772), _972480, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_940772)
   Call: (241) [system] atom_chars(_940772, ['C'])
   Exit: (241) [system] atom_chars('C', ['C'])
^  Exit: (240) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _980956)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _982814)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=(;)
^  Call: (240) [user] is_like_space(')')
   Call: (241) [system] char_type(')', 'white')
   Call: (241) [system] char_type(')', end_of_line)
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] char_type(')', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _991282)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=')'
   Exit: (239) [system] ')'=')'
   Call: (239) [system] get_char((0x56051b6b4f40), _995072)
   Exit: (239) [system] get_char((0x56051b6b4f40), ')')
   Call: (239) [system] _980956=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (238) [system] _916294=['C']
   Exit: (238) [system] ['C']=['C']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (237) [system] _595580=[['AndLink', 'A', 'B'], 'C']
   Exit: (237) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (236) [system] _407362=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (236) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1008954)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1010812)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _1017622)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1020326)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1029718)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=')'
   Call: (235) [system] '('=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1033432)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1035290)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1043758)
   Exit: (236) [system] get_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('='('
   Exit: (236) [system] '('='('
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1033432)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1049328)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=(;)
^  Call: (238) [user] is_like_space('A')
   Call: (239) [system] char_type('A', 'white')
   Call: (239) [system] char_type('A', end_of_line)
   Call: (239) [system] char_type('A', space)
   Call: (239) [system] char_type('A', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1057796)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (237) [system] 'A'=')'
   Call: (237) [system] 'A'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1061510)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1063368)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=(;)
^  Call: (239) [user] is_like_space('A')
   Call: (240) [system] char_type('A', 'white')
   Call: (240) [system] char_type('A', end_of_line)
   Call: (240) [system] char_type('A', space)
   Call: (240) [system] char_type('A', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1071836)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'='('
   Call: (238) [system] 'A'='['
   Call: (238) [system] 'A'='{'
   Call: (238) [system] 'A'='"'
   Call: (238) [system] 'A'=!
   Call: (238) [system] 'A'='\''
   Call: (238) [system] 'A'='`'
   Call: (238) [system] 'A'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1061510)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1082054)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1082988)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1086780, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1091350)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1092284)
   Exit: (241) [system] peek_char((0x56051b6b4f40), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_1096076, v('(', ')', end_of_file), d)
   Call: (241) [system] ')'==d
   Call: (241) [system] get_char((0x56051b6b4f40), d)
   Exit: (241) [system] get_char((0x56051b6b4f40), d)
   Call: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1100646)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1101580)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (242) [user] is_delimiter('L')
   Call: (243) [system] char_type('L', space)
   Call: (243) [system] arg(_1105372, v('(', ')', end_of_file), 'L')
   Call: (242) [system] ')'=='L'
   Call: (242) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (242) [system] get_char((0x56051b6b4f40), 'L')
   Call: (242) [system] 'L'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1109942)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1110876)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1114668, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1119238)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1120172)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_1123964, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1128534)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1129468)
   Exit: (245) [system] peek_char((0x56051b6b4f40), k)
^  Call: (245) [user] is_delimiter(k)
   Call: (246) [system] char_type(k, space)
   Call: (246) [system] arg(_1133260, v('(', ')', end_of_file), k)
   Call: (245) [system] ')'==k
   Call: (245) [system] get_char((0x56051b6b4f40), k)
   Exit: (245) [system] get_char((0x56051b6b4f40), k)
   Call: (245) [system] k=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1137830)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1138764)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1137830=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (245) [system] _1128534=[k]
   Exit: (245) [system] [k]=[k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (244) [system] _1119238=[n, k]
   Exit: (244) [system] [n, k]=[n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (243) [system] _1109942=[i, n, k]
   Exit: (243) [system] [i, n, k]=[i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (242) [system] _1100646=['L', i, n, k]
   Exit: (242) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (241) [system] _1091350=[d, 'L', i, n, k]
   Exit: (241) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (240) [system] _1082054=[n, d, 'L', i, n, k]
   Exit: (240) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (239) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1061510)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1164838, _1164840), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1061510), _1164814, fail)), '$restore_trace'(_1164838, _1164840))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1164838, _1164840))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1061510), _1164814, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1061510)
   Call: (240) [system] atom_chars(_1061510, ['A', n, d, 'L', i, n, k])
   Exit: (240) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (239) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1173290)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1175148)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _1181958)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1184662)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=(;)
^  Call: (240) [user] is_like_space('A')
   Call: (241) [system] char_type('A', 'white')
   Call: (241) [system] char_type('A', end_of_line)
   Call: (241) [system] char_type('A', space)
   Call: (241) [system] char_type('A', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1194054)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=')'
   Call: (238) [system] 'A'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1197768)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1199626)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=(;)
^  Call: (240) [user] is_like_space('A')
   Call: (241) [system] char_type('A', 'white')
   Call: (241) [system] char_type('A', end_of_line)
   Call: (241) [system] char_type('A', space)
   Call: (241) [system] char_type('A', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1208094)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'='('
   Call: (239) [system] 'A'='['
   Call: (239) [system] 'A'='{'
   Call: (239) [system] 'A'='"'
   Call: (239) [system] 'A'=!
   Call: (239) [system] 'A'='\''
   Call: (239) [system] 'A'='`'
   Call: (239) [system] 'A'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1197768)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1218312)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1219246)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1218312=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq('A', [], _1197768)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1228556, _1228558), once(user:catch(read_from_chars(['A'], _1197768), _1228532, fail)), '$restore_trace'(_1228556, _1228558))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1228556, _1228558))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1197768), _1228532, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1197768)
   Call: (241) [system] atom_chars(_1197768, ['A'])
   Exit: (241) [system] atom_chars('A', ['A'])
^  Exit: (240) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1237008)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1238866)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _1245676)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1248380)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=(;)
^  Call: (241) [user] is_like_space('(')
   Call: (242) [system] char_type('(', 'white')
   Call: (242) [system] char_type('(', end_of_line)
   Call: (242) [system] char_type('(', space)
   Call: (242) [system] char_type('(', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1257772)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=')'
   Call: (239) [system] '('=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _1261486)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1263344)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=(;)
^  Call: (241) [user] is_like_space('(')
   Call: (242) [system] char_type('(', 'white')
   Call: (242) [system] char_type('(', end_of_line)
   Call: (242) [system] char_type('(', space)
   Call: (242) [system] char_type('(', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _1271812)
   Exit: (240) [system] get_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('='('
   Exit: (240) [system] '('='('
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _1261486)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1277382)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (242) [system] 'I'=(;)
^  Call: (242) [user] is_like_space('I')
   Call: (243) [system] char_type('I', 'white')
   Call: (243) [system] char_type('I', end_of_line)
   Call: (243) [system] char_type('I', space)
   Call: (243) [system] char_type('I', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1285850)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (241) [system] 'I'=')'
   Call: (241) [system] 'I'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _1289564)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1291422)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (243) [system] 'I'=(;)
^  Call: (243) [user] is_like_space('I')
   Call: (244) [system] char_type('I', 'white')
   Call: (244) [system] char_type('I', end_of_line)
   Call: (244) [system] char_type('I', space)
   Call: (244) [system] char_type('I', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _1299890)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'I')
   Call: (242) [system] 'I'='('
   Call: (242) [system] 'I'='['
   Call: (242) [system] 'I'='{'
   Call: (242) [system] 'I'='"'
   Call: (242) [system] 'I'=!
   Call: (242) [system] 'I'='\''
   Call: (242) [system] 'I'='`'
   Call: (242) [system] 'I'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1289564)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1310108)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1311042)
   Exit: (244) [system] peek_char((0x56051b6b4f40), m)
^  Call: (244) [user] is_delimiter(m)
   Call: (245) [system] char_type(m, space)
   Call: (245) [system] arg(_1314834, v('(', ')', end_of_file), m)
   Call: (244) [system] ')'==m
   Call: (244) [system] get_char((0x56051b6b4f40), m)
   Exit: (244) [system] get_char((0x56051b6b4f40), m)
   Call: (244) [system] m=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1319404)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1320338)
   Exit: (245) [system] peek_char((0x56051b6b4f40), p)
^  Call: (245) [user] is_delimiter(p)
   Call: (246) [system] char_type(p, space)
   Call: (246) [system] arg(_1324130, v('(', ')', end_of_file), p)
   Call: (245) [system] ')'==p
   Call: (245) [system] get_char((0x56051b6b4f40), p)
   Exit: (245) [system] get_char((0x56051b6b4f40), p)
   Call: (245) [system] p=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1328700)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1329634)
   Exit: (246) [system] peek_char((0x56051b6b4f40), l)
^  Call: (246) [user] is_delimiter(l)
   Call: (247) [system] char_type(l, space)
   Call: (247) [system] arg(_1333426, v('(', ')', end_of_file), l)
   Call: (246) [system] ')'==l
   Call: (246) [system] get_char((0x56051b6b4f40), l)
   Exit: (246) [system] get_char((0x56051b6b4f40), l)
   Call: (246) [system] l=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1337996)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1338930)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_1342722, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1347292)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1348226)
   Exit: (248) [system] peek_char((0x56051b6b4f40), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_1352018, v('(', ')', end_of_file), c)
   Call: (248) [system] ')'==c
   Call: (248) [system] get_char((0x56051b6b4f40), c)
   Exit: (248) [system] get_char((0x56051b6b4f40), c)
   Call: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1356588)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1357522)
   Exit: (249) [system] peek_char((0x56051b6b4f40), a)
^  Call: (249) [user] is_delimiter(a)
   Call: (250) [system] char_type(a, space)
   Call: (250) [system] arg(_1361314, v('(', ')', end_of_file), a)
   Call: (249) [system] ')'==a
   Call: (249) [system] get_char((0x56051b6b4f40), a)
   Exit: (249) [system] get_char((0x56051b6b4f40), a)
   Call: (249) [system] a=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1365884)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1366818)
   Exit: (250) [system] peek_char((0x56051b6b4f40), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_1370610, v('(', ')', end_of_file), t)
   Call: (250) [system] ')'==t
   Call: (250) [system] get_char((0x56051b6b4f40), t)
   Exit: (250) [system] get_char((0x56051b6b4f40), t)
   Call: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1375180)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1376114)
   Exit: (251) [system] peek_char((0x56051b6b4f40), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_1379906, v('(', ')', end_of_file), i)
   Call: (251) [system] ')'==i
   Call: (251) [system] get_char((0x56051b6b4f40), i)
   Exit: (251) [system] get_char((0x56051b6b4f40), i)
   Call: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1384476)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1385410)
   Exit: (252) [system] peek_char((0x56051b6b4f40), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_1389202, v('(', ')', end_of_file), o)
   Call: (252) [system] ')'==o
   Call: (252) [system] get_char((0x56051b6b4f40), o)
   Exit: (252) [system] get_char((0x56051b6b4f40), o)
   Call: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1393772)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1394706)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1398498, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1403068)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1404002)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1403068=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (253) [system] _1393772=[n]
   Exit: (253) [system] [n]=[n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (252) [system] _1384476=[o, n]
   Exit: (252) [system] [o, n]=[o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (251) [system] _1375180=[i, o, n]
   Exit: (251) [system] [i, o, n]=[i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (250) [system] _1365884=[t, i, o, n]
   Exit: (250) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (249) [system] _1356588=[a, t, i, o, n]
   Exit: (249) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (248) [system] _1347292=[c, a, t, i, o, n]
   Exit: (248) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (247) [system] _1337996=[i, c, a, t, i, o, n]
   Exit: (247) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (246) [system] _1328700=[l, i, c, a, t, i, o, n]
   Exit: (246) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (245) [system] _1319404=[p, l, i, c, a, t, i, o, n]
   Exit: (245) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (244) [system] _1310108=[m, p, l, i, c, a, t, i, o, n]
   Exit: (244) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (243) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1289564)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_1441252, _1441254), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1289564), _1441228, fail)), '$restore_trace'(_1441252, _1441254))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_1441252, _1441254))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1289564), _1441228, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_1289564)
   Call: (244) [system] atom_chars(_1289564, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (244) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (243) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _1449704)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1451562)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _1458372)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1461076)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1470468)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=')'
   Call: (242) [system] '('=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _1474182)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1476040)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _1484508)
   Exit: (243) [system] get_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('='('
   Exit: (243) [system] '('='('
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1474182)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1490078)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'=(;)
^  Call: (245) [user] is_like_space('O')
   Call: (246) [system] char_type('O', 'white')
   Call: (246) [system] char_type('O', end_of_line)
   Call: (246) [system] char_type('O', space)
   Call: (246) [system] char_type('O', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1498546)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (244) [system] 'O'=')'
   Call: (244) [system] 'O'=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _1502260)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1504118)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (246) [system] 'O'=(;)
^  Call: (246) [user] is_like_space('O')
   Call: (247) [system] char_type('O', 'white')
   Call: (247) [system] char_type('O', end_of_line)
   Call: (247) [system] char_type('O', space)
   Call: (247) [system] char_type('O', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _1512586)
   Exit: (245) [system] get_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'='('
   Call: (245) [system] 'O'='['
   Call: (245) [system] 'O'='{'
   Call: (245) [system] 'O'='"'
   Call: (245) [system] 'O'=!
   Call: (245) [system] 'O'='\''
   Call: (245) [system] 'O'='`'
   Call: (245) [system] 'O'=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1502260)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1522804)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1523738)
   Exit: (247) [system] peek_char((0x56051b6b4f40), r)
^  Call: (247) [user] is_delimiter(r)
   Call: (248) [system] char_type(r, space)
   Call: (248) [system] arg(_1527530, v('(', ')', end_of_file), r)
   Call: (247) [system] ')'==r
   Call: (247) [system] get_char((0x56051b6b4f40), r)
   Exit: (247) [system] get_char((0x56051b6b4f40), r)
   Call: (247) [system] r=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1532100)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1533034)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (248) [user] is_delimiter('L')
   Call: (249) [system] char_type('L', space)
   Call: (249) [system] arg(_1536826, v('(', ')', end_of_file), 'L')
   Call: (248) [system] ')'=='L'
   Call: (248) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (248) [system] get_char((0x56051b6b4f40), 'L')
   Call: (248) [system] 'L'=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1541396)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1542330)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_1546122, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1550692)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1551626)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_1555418, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1559988)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1560922)
   Exit: (251) [system] peek_char((0x56051b6b4f40), k)
^  Call: (251) [user] is_delimiter(k)
   Call: (252) [system] char_type(k, space)
   Call: (252) [system] arg(_1564714, v('(', ')', end_of_file), k)
   Call: (251) [system] ')'==k
   Call: (251) [system] get_char((0x56051b6b4f40), k)
   Exit: (251) [system] get_char((0x56051b6b4f40), k)
   Call: (251) [system] k=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1569284)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1570218)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _1569284=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (251) [system] _1559988=[k]
   Exit: (251) [system] [k]=[k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (250) [system] _1550692=[n, k]
   Exit: (250) [system] [n, k]=[n, k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (249) [system] _1541396=[i, n, k]
   Exit: (249) [system] [i, n, k]=[i, n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (248) [system] _1532100=['L', i, n, k]
   Exit: (248) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (247) [system] _1522804=[r, 'L', i, n, k]
   Exit: (247) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (246) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1502260)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_1593498, _1593500), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1502260), _1593474, fail)), '$restore_trace'(_1593498, _1593500))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_1593498, _1593500))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1502260), _1593474, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(_1502260)
   Call: (247) [system] atom_chars(_1502260, ['O', r, 'L', i, n, k])
   Exit: (247) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (246) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _1601950)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1603808)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _1610618)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1613322)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (247) [system] 'C'=(;)
^  Call: (247) [user] is_like_space('C')
   Call: (248) [system] char_type('C', 'white')
   Call: (248) [system] char_type('C', end_of_line)
   Call: (248) [system] char_type('C', space)
   Call: (248) [system] char_type('C', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1622714)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (245) [system] 'C'=')'
   Call: (245) [system] 'C'=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _1626428)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1628286)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (247) [system] 'C'=(;)
^  Call: (247) [user] is_like_space('C')
   Call: (248) [system] char_type('C', 'white')
   Call: (248) [system] char_type('C', end_of_line)
   Call: (248) [system] char_type('C', space)
   Call: (248) [system] char_type('C', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _1636754)
   Exit: (246) [system] get_char((0x56051b6b4f40), 'C')
   Call: (246) [system] 'C'='('
   Call: (246) [system] 'C'='['
   Call: (246) [system] 'C'='{'
   Call: (246) [system] 'C'='"'
   Call: (246) [system] 'C'=!
   Call: (246) [system] 'C'='\''
   Call: (246) [system] 'C'='`'
   Call: (246) [system] 'C'=end_of_file
^  Call: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1626428)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1646972)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1647906)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1646972=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (247) [user] classify_and_convert_charseq('C', [], _1626428)
^  Call: (249) [system] setup_call_cleanup('$notrace'(_1657216, _1657218), once(user:catch(read_from_chars(['C'], _1626428), _1657192, fail)), '$restore_trace'(_1657216, _1657218))
^  Call: (250) [system] sig_atomic(system:'$notrace'(_1657216, _1657218))
^  Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1626428), _1657192, fail)), system:'$restore_trace'(3, -1))
   Call: (248) [system] atomic(_1626428)
   Call: (248) [system] atom_chars(_1626428, ['C'])
   Exit: (248) [system] atom_chars('C', ['C'])
^  Exit: (247) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1665668)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1667526)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (247) [system] ' '=(;)
^  Call: (247) [user] is_like_space(' ')
   Call: (248) [system] char_type(' ', 'white')
   Exit: (248) [system] char_type(' ', 'white')
^  Exit: (247) [user] is_like_space(' ')
   Call: (247) [system] get_char((0x56051b6b4f40), _1674336)
   Exit: (247) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1677040)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (248) [system] 'D'=(;)
^  Call: (248) [user] is_like_space('D')
   Call: (249) [system] char_type('D', 'white')
   Call: (249) [system] char_type('D', end_of_line)
   Call: (249) [system] char_type('D', space)
   Call: (249) [system] char_type('D', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1686432)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (246) [system] 'D'=')'
   Call: (246) [system] 'D'=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _1690146)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1692004)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (248) [system] 'D'=(;)
^  Call: (248) [user] is_like_space('D')
   Call: (249) [system] char_type('D', 'white')
   Call: (249) [system] char_type('D', end_of_line)
   Call: (249) [system] char_type('D', space)
   Call: (249) [system] char_type('D', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _1700472)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'D')
   Call: (247) [system] 'D'='('
   Call: (247) [system] 'D'='['
   Call: (247) [system] 'D'='{'
   Call: (247) [system] 'D'='"'
   Call: (247) [system] 'D'=!
   Call: (247) [system] 'D'='\''
   Call: (247) [system] 'D'='`'
   Call: (247) [system] 'D'=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1690146)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1710690)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1711624)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (249) [user] is_delimiter(')')
   Call: (250) [system] char_type(')', space)
   Call: (250) [system] arg(_1715416, v('(', ')', end_of_file), ')')
   Exit: (250) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (249) [user] is_delimiter(')')
   Call: (249) [system] _1710690=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (248) [user] classify_and_convert_charseq('D', [], _1690146)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_1721878, _1721880), once(user:catch(read_from_chars(['D'], _1690146), _1721854, fail)), '$restore_trace'(_1721878, _1721880))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_1721878, _1721880))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1690146), _1721854, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(_1690146)
   Call: (249) [system] atom_chars(_1690146, ['D'])
   Exit: (249) [system] atom_chars('D', ['D'])
^  Exit: (248) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1730330)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1732188)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
   Call: (248) [system] ')'=(;)
^  Call: (248) [user] is_like_space(')')
   Call: (249) [system] char_type(')', 'white')
   Call: (249) [system] char_type(')', end_of_line)
   Call: (249) [system] char_type(')', space)
   Call: (249) [system] char_type(')', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1740656)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=')'
   Exit: (247) [system] ')'=')'
   Call: (247) [system] get_char((0x56051b6b4f40), _1744446)
   Exit: (247) [system] get_char((0x56051b6b4f40), ')')
   Call: (247) [system] _1730330=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (246) [system] _1665668=['D']
   Exit: (246) [system] ['D']=['D']
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (245) [system] _1601950=['C', 'D']
   Exit: (245) [system] ['C', 'D']=['C', 'D']
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (244) [system] _1474182=['OrLink', 'C', 'D']
   Exit: (244) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1758328)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1760186)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _1766996)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1769700)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (245) [system] 'E'=(;)
^  Call: (245) [user] is_like_space('E')
   Call: (246) [system] char_type('E', 'white')
   Call: (246) [system] char_type('E', end_of_line)
   Call: (246) [system] char_type('E', space)
   Call: (246) [system] char_type('E', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1779092)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (243) [system] 'E'=')'
   Call: (243) [system] 'E'=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _1782806)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1784664)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (245) [system] 'E'=(;)
^  Call: (245) [user] is_like_space('E')
   Call: (246) [system] char_type('E', 'white')
   Call: (246) [system] char_type('E', end_of_line)
   Call: (246) [system] char_type('E', space)
   Call: (246) [system] char_type('E', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _1793132)
   Exit: (244) [system] get_char((0x56051b6b4f40), 'E')
   Call: (244) [system] 'E'='('
   Call: (244) [system] 'E'='['
   Call: (244) [system] 'E'='{'
   Call: (244) [system] 'E'='"'
   Call: (244) [system] 'E'=!
   Call: (244) [system] 'E'='\''
   Call: (244) [system] 'E'='`'
   Call: (244) [system] 'E'=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1782806)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1803350)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1804284)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (246) [user] is_delimiter(')')
   Call: (247) [system] char_type(')', space)
   Call: (247) [system] arg(_1808076, v('(', ')', end_of_file), ')')
   Exit: (247) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (246) [user] is_delimiter(')')
   Call: (246) [system] _1803350=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (245) [user] classify_and_convert_charseq('E', [], _1782806)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_1814538, _1814540), once(user:catch(read_from_chars(['E'], _1782806), _1814514, fail)), '$restore_trace'(_1814538, _1814540))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_1814538, _1814540))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1782806), _1814514, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(_1782806)
   Call: (246) [system] atom_chars(_1782806, ['E'])
   Exit: (246) [system] atom_chars('E', ['E'])
^  Exit: (245) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1822990)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1824848)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=(;)
^  Call: (245) [user] is_like_space(')')
   Call: (246) [system] char_type(')', 'white')
   Call: (246) [system] char_type(')', end_of_line)
   Call: (246) [system] char_type(')', space)
   Call: (246) [system] char_type(')', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1833316)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=')'
   Exit: (244) [system] ')'=')'
   Call: (244) [system] get_char((0x56051b6b4f40), _1837106)
   Exit: (244) [system] get_char((0x56051b6b4f40), ')')
   Call: (244) [system] _1822990=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (243) [system] _1758328=['E']
   Exit: (243) [system] ['E']=['E']
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (242) [system] _1449704=[['OrLink', 'C', 'D'], 'E']
   Exit: (242) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (241) [system] _1261486=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (241) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1850988)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1852846)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=(;)
^  Call: (241) [user] is_like_space(')')
   Call: (242) [system] char_type(')', 'white')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] char_type(')', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1861314)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=')'
   Exit: (240) [system] ')'=')'
   Call: (240) [system] get_char((0x56051b6b4f40), _1865104)
   Exit: (240) [system] get_char((0x56051b6b4f40), ')')
   Call: (240) [system] _1850988=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (239) [system] _1237008=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (239) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (238) [system] _1173290=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (238) [system] ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (237) [system] _1033432=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (237) [system] ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1878986)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1880844)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=(;)
^  Call: (237) [user] is_like_space(')')
   Call: (238) [system] char_type(')', 'white')
   Call: (238) [system] char_type(')', end_of_line)
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] char_type(')', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1889312)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=')'
   Exit: (236) [system] ')'=')'
   Call: (236) [system] get_char((0x56051b6b4f40), _1893102)
   Exit: (236) [system] get_char((0x56051b6b4f40), ')')
   Call: (236) [system] _1878986=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (235) [system] _1008954=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (235) [system] [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (234) [system] _382884=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (234) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (233) [system] _255116=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (233) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1906984)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1908842)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=(;)
^  Call: (233) [user] is_like_space(')')
   Call: (234) [system] char_type(')', 'white')
   Call: (234) [system] char_type(')', end_of_line)
   Call: (234) [system] char_type(')', space)
   Call: (234) [system] char_type(')', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1917310)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ')')
   Call: (232) [system] ')'=')'
   Exit: (232) [system] ')'=')'
   Call: (232) [system] get_char((0x56051b6b4f40), _1921100)
   Exit: (232) [system] get_char((0x56051b6b4f40), ')')
   Call: (232) [system] _1906984=[]
   Exit: (232) [system] []=[]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (231) [system] _230638=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (231) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (230) [system] _9172=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (230) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (229) [system] _9164=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (229) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (228) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (227) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, cde]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (227) [user] read_list(')', (0x56051b6b4f40), _1934982)
^  Call: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _1936840)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (229) [system] '\n'=(;)
^  Call: (229) [user] is_like_space('\n')
   Call: (230) [system] char_type('\n', 'white')
   Call: (230) [system] char_type('\n', end_of_line)
   Exit: (230) [system] char_type('\n', end_of_line)
^  Exit: (229) [user] is_like_space('\n')
   Call: (229) [system] get_char((0x56051b6b4f40), _1944456)
   Exit: (229) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1947160)
   Exit: (230) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (230) [system] ' '=(;)
^  Call: (230) [user] is_like_space(' ')
   Call: (231) [system] char_type(' ', 'white')
   Exit: (231) [system] char_type(' ', 'white')
^  Exit: (230) [user] is_like_space(' ')
   Call: (230) [system] get_char((0x56051b6b4f40), _1953970)
   Exit: (230) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1956674)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (228) [user] skip_spaces((0x56051b6b4f40))
   Call: (228) [system] peek_char((0x56051b6b4f40), _1966990)
   Exit: (228) [system] peek_char((0x56051b6b4f40), '(')
   Call: (228) [system] '('=')'
   Call: (228) [system] '('=end_of_file
^  Call: (228) [user] cont_sexpr(')', (0x56051b6b4f40), _1970704)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1972562)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=(;)
^  Call: (230) [user] is_like_space('(')
   Call: (231) [system] char_type('(', 'white')
   Call: (231) [system] char_type('(', end_of_line)
   Call: (231) [system] char_type('(', space)
   Call: (231) [system] char_type('(', cntrl)
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] get_char((0x56051b6b4f40), _1981030)
   Exit: (229) [system] get_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('='('
   Exit: (229) [system] '('='('
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1970704)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1986600)
   Exit: (231) [system] peek_char((0x56051b6b4f40), :)
   Call: (231) [system] (:)=(;)
^  Call: (231) [user] is_like_space(:)
   Call: (232) [system] char_type(:, 'white')
   Call: (232) [system] char_type(:, end_of_line)
   Call: (232) [system] char_type(:, space)
   Call: (232) [system] char_type(:, cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1995068)
   Exit: (230) [system] peek_char((0x56051b6b4f40), :)
   Call: (230) [system] (:)=')'
   Call: (230) [system] (:)=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1998782)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _2000640)
   Exit: (232) [system] peek_char((0x56051b6b4f40), :)
   Call: (232) [system] (:)=(;)
^  Call: (232) [user] is_like_space(:)
   Call: (233) [system] char_type(:, 'white')
   Call: (233) [system] char_type(:, end_of_line)
   Call: (233) [system] char_type(:, space)
   Call: (233) [system] char_type(:, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _2009108)
   Exit: (231) [system] get_char((0x56051b6b4f40), :)
   Call: (231) [system] (:)='('
   Call: (231) [system] (:)='['
   Call: (231) [system] (:)='{'
   Call: (231) [system] (:)='"'
   Call: (231) [system] (:)=!
   Call: (231) [system] (:)='\''
   Call: (231) [system] (:)='`'
   Call: (231) [system] (:)=end_of_file
^  Call: (231) [user] read_symbolic(')', (0x56051b6b4f40), :, _1998782)
^  Call: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2019326)
   Call: (233) [system] peek_char((0x56051b6b4f40), _2020260)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] is_delimiter(' ')
   Call: (234) [system] char_type(' ', space)
   Exit: (234) [system] char_type(' ', space)
^  Exit: (233) [user] is_delimiter(' ')
   Call: (233) [system] _2019326=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (232) [user] classify_and_convert_charseq(:, [], _1998782)
^  Call: (234) [system] setup_call_cleanup('$notrace'(_2029570, _2029572), once(user:catch(read_from_chars([:], _1998782), _2029546, fail)), '$restore_trace'(_2029570, _2029572))
^  Call: (235) [system] sig_atomic(system:'$notrace'(_2029570, _2029572))
^  Exit: (234) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2029546, fail)), system:'$restore_trace'(3, -1))
   Call: (233) [system] atomic(:)
   Exit: (233) [system] atomic(:)
^  Exit: (232) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (231) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _2037070)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _2038928)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _2045738)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _2048442)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _2057834)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=')'
   Call: (231) [system] '('=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _2061548)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _2063406)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _2071874)
   Exit: (232) [system] get_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('='('
   Exit: (232) [system] '('='('
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _2061548)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _2077444)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (234) [system] 'D'=(;)
^  Call: (234) [user] is_like_space('D')
   Call: (235) [system] char_type('D', 'white')
   Call: (235) [system] char_type('D', end_of_line)
   Call: (235) [system] char_type('D', space)
   Call: (235) [system] char_type('D', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _2085912)
   Exit: (233) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (233) [system] 'D'=')'
   Call: (233) [system] 'D'=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _2089626)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _2091484)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (235) [system] 'D'=(;)
^  Call: (235) [user] is_like_space('D')
   Call: (236) [system] char_type('D', 'white')
   Call: (236) [system] char_type('D', end_of_line)
   Call: (236) [system] char_type('D', space)
   Call: (236) [system] char_type('D', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _12524)
   Exit: (234) [system] get_char((0x56051b6b4f40), 'D')
   Call: (234) [system] 'D'='('
   Call: (234) [system] 'D'='['
   Call: (234) [system] 'D'='{'
   Call: (234) [system] 'D'='"'
   Call: (234) [system] 'D'=!
   Call: (234) [system] 'D'='\''
   Call: (234) [system] 'D'='`'
   Call: (234) [system] 'D'=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _9350)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _22742)
   Call: (236) [system] peek_char((0x56051b6b4f40), _23676)
   Exit: (236) [system] peek_char((0x56051b6b4f40), i)
^  Call: (236) [user] is_delimiter(i)
   Call: (237) [system] char_type(i, space)
   Call: (237) [system] arg(_27468, v('(', ')', end_of_file), i)
   Call: (236) [system] ')'==i
   Call: (236) [system] get_char((0x56051b6b4f40), i)
   Exit: (236) [system] get_char((0x56051b6b4f40), i)
   Call: (236) [system] i=(\)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _32038)
   Call: (237) [system] peek_char((0x56051b6b4f40), _32972)
   Exit: (237) [system] peek_char((0x56051b6b4f40), s)
^  Call: (237) [user] is_delimiter(s)
   Call: (238) [system] char_type(s, space)
   Call: (238) [system] arg(_36764, v('(', ')', end_of_file), s)
   Call: (237) [system] ')'==s
   Call: (237) [system] get_char((0x56051b6b4f40), s)
   Exit: (237) [system] get_char((0x56051b6b4f40), s)
   Call: (237) [system] s=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _41334)
   Call: (238) [system] peek_char((0x56051b6b4f40), _42268)
   Exit: (238) [system] peek_char((0x56051b6b4f40), j)
^  Call: (238) [user] is_delimiter(j)
   Call: (239) [system] char_type(j, space)
   Call: (239) [system] arg(_46060, v('(', ')', end_of_file), j)
   Call: (238) [system] ')'==j
   Call: (238) [system] get_char((0x56051b6b4f40), j)
   Exit: (238) [system] get_char((0x56051b6b4f40), j)
   Call: (238) [system] j=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _50630)
   Call: (239) [system] peek_char((0x56051b6b4f40), _51564)
   Exit: (239) [system] peek_char((0x56051b6b4f40), u)
^  Call: (239) [user] is_delimiter(u)
   Call: (240) [system] char_type(u, space)
   Call: (240) [system] arg(_55356, v('(', ')', end_of_file), u)
   Call: (239) [system] ')'==u
   Call: (239) [system] get_char((0x56051b6b4f40), u)
   Exit: (239) [system] get_char((0x56051b6b4f40), u)
   Call: (239) [system] u=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _59926)
   Call: (240) [system] peek_char((0x56051b6b4f40), _60860)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_64652, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _69222)
   Call: (241) [system] peek_char((0x56051b6b4f40), _70156)
   Exit: (241) [system] peek_char((0x56051b6b4f40), c)
^  Call: (241) [user] is_delimiter(c)
   Call: (242) [system] char_type(c, space)
   Call: (242) [system] arg(_73948, v('(', ')', end_of_file), c)
   Call: (241) [system] ')'==c
   Call: (241) [system] get_char((0x56051b6b4f40), c)
   Exit: (241) [system] get_char((0x56051b6b4f40), c)
   Call: (241) [system] c=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _78518)
   Call: (242) [system] peek_char((0x56051b6b4f40), _79452)
   Exit: (242) [system] peek_char((0x56051b6b4f40), t)
^  Call: (242) [user] is_delimiter(t)
   Call: (243) [system] char_type(t, space)
   Call: (243) [system] arg(_83244, v('(', ')', end_of_file), t)
   Call: (242) [system] ')'==t
   Call: (242) [system] get_char((0x56051b6b4f40), t)
   Exit: (242) [system] get_char((0x56051b6b4f40), t)
   Call: (242) [system] t=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _87814)
   Call: (243) [system] peek_char((0x56051b6b4f40), _88748)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_92540, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _97110)
   Call: (244) [system] peek_char((0x56051b6b4f40), _98044)
   Exit: (244) [system] peek_char((0x56051b6b4f40), o)
^  Call: (244) [user] is_delimiter(o)
   Call: (245) [system] char_type(o, space)
   Call: (245) [system] arg(_101836, v('(', ')', end_of_file), o)
   Call: (244) [system] ')'==o
   Call: (244) [system] get_char((0x56051b6b4f40), o)
   Exit: (244) [system] get_char((0x56051b6b4f40), o)
   Call: (244) [system] o=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _106406)
   Call: (245) [system] peek_char((0x56051b6b4f40), _107340)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_111132, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _115702)
   Call: (246) [system] peek_char((0x56051b6b4f40), _116636)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (246) [user] is_delimiter('I')
   Call: (247) [system] char_type('I', space)
   Call: (247) [system] arg(_120428, v('(', ')', end_of_file), 'I')
   Call: (246) [system] ')'=='I'
   Call: (246) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (246) [system] get_char((0x56051b6b4f40), 'I')
   Call: (246) [system] 'I'=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _124998)
   Call: (247) [system] peek_char((0x56051b6b4f40), _125932)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_129724, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _134294)
   Call: (248) [system] peek_char((0x56051b6b4f40), _135228)
   Exit: (248) [system] peek_char((0x56051b6b4f40), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_139020, v('(', ')', end_of_file), t)
   Call: (248) [system] ')'==t
   Call: (248) [system] get_char((0x56051b6b4f40), t)
   Exit: (248) [system] get_char((0x56051b6b4f40), t)
   Call: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _143590)
   Call: (249) [system] peek_char((0x56051b6b4f40), _144524)
   Exit: (249) [system] peek_char((0x56051b6b4f40), r)
^  Call: (249) [user] is_delimiter(r)
   Call: (250) [system] char_type(r, space)
   Call: (250) [system] arg(_148316, v('(', ')', end_of_file), r)
   Call: (249) [system] ')'==r
   Call: (249) [system] get_char((0x56051b6b4f40), r)
   Exit: (249) [system] get_char((0x56051b6b4f40), r)
   Call: (249) [system] r=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _152886)
   Call: (250) [system] peek_char((0x56051b6b4f40), _153820)
   Exit: (250) [system] peek_char((0x56051b6b4f40), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_157612, v('(', ')', end_of_file), o)
   Call: (250) [system] ')'==o
   Call: (250) [system] get_char((0x56051b6b4f40), o)
   Exit: (250) [system] get_char((0x56051b6b4f40), o)
   Call: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _162182)
   Call: (251) [system] peek_char((0x56051b6b4f40), _163116)
   Exit: (251) [system] peek_char((0x56051b6b4f40), d)
^  Call: (251) [user] is_delimiter(d)
   Call: (252) [system] char_type(d, space)
   Call: (252) [system] arg(_166908, v('(', ')', end_of_file), d)
   Call: (251) [system] ')'==d
   Call: (251) [system] get_char((0x56051b6b4f40), d)
   Exit: (251) [system] get_char((0x56051b6b4f40), d)
   Call: (251) [system] d=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _171478)
   Call: (252) [system] peek_char((0x56051b6b4f40), _172412)
   Exit: (252) [system] peek_char((0x56051b6b4f40), u)
^  Call: (252) [user] is_delimiter(u)
   Call: (253) [system] char_type(u, space)
   Call: (253) [system] arg(_176204, v('(', ')', end_of_file), u)
   Call: (252) [system] ')'==u
   Call: (252) [system] get_char((0x56051b6b4f40), u)
   Exit: (252) [system] get_char((0x56051b6b4f40), u)
   Call: (252) [system] u=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _180774)
   Call: (253) [system] peek_char((0x56051b6b4f40), _181708)
   Exit: (253) [system] peek_char((0x56051b6b4f40), c)
^  Call: (253) [user] is_delimiter(c)
   Call: (254) [system] char_type(c, space)
   Call: (254) [system] arg(_185500, v('(', ')', end_of_file), c)
   Call: (253) [system] ')'==c
   Call: (253) [system] get_char((0x56051b6b4f40), c)
   Exit: (253) [system] get_char((0x56051b6b4f40), c)
   Call: (253) [system] c=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _190070)
   Call: (254) [system] peek_char((0x56051b6b4f40), _191004)
   Exit: (254) [system] peek_char((0x56051b6b4f40), t)
^  Call: (254) [user] is_delimiter(t)
   Call: (255) [system] char_type(t, space)
   Call: (255) [system] arg(_194796, v('(', ')', end_of_file), t)
   Call: (254) [system] ')'==t
   Call: (254) [system] get_char((0x56051b6b4f40), t)
   Exit: (254) [system] get_char((0x56051b6b4f40), t)
   Call: (254) [system] t=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _199366)
   Call: (255) [system] peek_char((0x56051b6b4f40), _200300)
   Exit: (255) [system] peek_char((0x56051b6b4f40), i)
^  Call: (255) [user] is_delimiter(i)
   Call: (256) [system] char_type(i, space)
   Call: (256) [system] arg(_204092, v('(', ')', end_of_file), i)
   Call: (255) [system] ')'==i
   Call: (255) [system] get_char((0x56051b6b4f40), i)
   Exit: (255) [system] get_char((0x56051b6b4f40), i)
   Call: (255) [system] i=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _208662)
   Call: (256) [system] peek_char((0x56051b6b4f40), _209596)
   Exit: (256) [system] peek_char((0x56051b6b4f40), o)
^  Call: (256) [user] is_delimiter(o)
   Call: (257) [system] char_type(o, space)
   Call: (257) [system] arg(_213388, v('(', ')', end_of_file), o)
   Call: (256) [system] ')'==o
   Call: (256) [system] get_char((0x56051b6b4f40), o)
   Exit: (256) [system] get_char((0x56051b6b4f40), o)
   Call: (256) [system] o=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _217958)
   Call: (257) [system] peek_char((0x56051b6b4f40), _218892)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_222684, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _227254)
   Call: (258) [system] peek_char((0x56051b6b4f40), _228188)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (258) [user] is_delimiter(' ')
   Call: (259) [system] char_type(' ', space)
   Exit: (259) [system] char_type(' ', space)
^  Exit: (258) [user] is_delimiter(' ')
   Call: (258) [system] _227254=[]
   Exit: (258) [system] []=[]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (257) [system] _217958=[n]
   Exit: (257) [system] [n]=[n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (256) [system] _208662=[o, n]
   Exit: (256) [system] [o, n]=[o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (255) [system] _199366=[i, o, n]
   Exit: (255) [system] [i, o, n]=[i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (254) [system] _190070=[t, i, o, n]
   Exit: (254) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (253) [system] _180774=[c, t, i, o, n]
   Exit: (253) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (252) [system] _171478=[u, c, t, i, o, n]
   Exit: (252) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (251) [system] _162182=[d, u, c, t, i, o, n]
   Exit: (251) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (250) [system] _152886=[o, d, u, c, t, i, o, n]
   Exit: (250) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (249) [system] _143590=[r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _134294=[t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _124998=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _115702=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _106406=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _97110=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _87814=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _78518=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _69222=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _59926=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _50630=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _41334=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _32038=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (236) [system] _22742=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (236) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (235) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9350)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_298966, _298968), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9350), _298942, fail)), '$restore_trace'(_298966, _298968))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_298966, _298968))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9350), _298942, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(_9350)
   Call: (236) [system] atom_chars(_9350, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (236) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (235) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _307418)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _309276)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _316086)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _318790)
   Exit: (236) [system] peek_char((0x56051b6b4f40), a)
   Call: (236) [system] a=(;)
^  Call: (236) [user] is_like_space(a)
   Call: (237) [system] char_type(a, 'white')
   Call: (237) [system] char_type(a, end_of_line)
   Call: (237) [system] char_type(a, space)
   Call: (237) [system] char_type(a, cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _328182)
   Exit: (234) [system] peek_char((0x56051b6b4f40), a)
   Call: (234) [system] a=')'
   Call: (234) [system] a=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _331896)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _333754)
   Exit: (236) [system] peek_char((0x56051b6b4f40), a)
   Call: (236) [system] a=(;)
^  Call: (236) [user] is_like_space(a)
   Call: (237) [system] char_type(a, 'white')
   Call: (237) [system] char_type(a, end_of_line)
   Call: (237) [system] char_type(a, space)
   Call: (237) [system] char_type(a, cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _342222)
   Exit: (235) [system] get_char((0x56051b6b4f40), a)
   Call: (235) [system] a='('
   Call: (235) [system] a='['
   Call: (235) [system] a='{'
   Call: (235) [system] a='"'
   Call: (235) [system] a=!
   Call: (235) [system] a='\''
   Call: (235) [system] a='`'
   Call: (235) [system] a=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), a, _331896)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _352440)
   Call: (237) [system] peek_char((0x56051b6b4f40), _353374)
   Exit: (237) [system] peek_char((0x56051b6b4f40), b)
^  Call: (237) [user] is_delimiter(b)
   Call: (238) [system] char_type(b, space)
   Call: (238) [system] arg(_357166, v('(', ')', end_of_file), b)
   Call: (237) [system] ')'==b
   Call: (237) [system] get_char((0x56051b6b4f40), b)
   Exit: (237) [system] get_char((0x56051b6b4f40), b)
   Call: (237) [system] b=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _361736)
   Call: (238) [system] peek_char((0x56051b6b4f40), _362670)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
^  Call: (238) [user] is_delimiter(c)
   Call: (239) [system] char_type(c, space)
   Call: (239) [system] arg(_366462, v('(', ')', end_of_file), c)
   Call: (238) [system] ')'==c
   Call: (238) [system] get_char((0x56051b6b4f40), c)
   Exit: (238) [system] get_char((0x56051b6b4f40), c)
   Call: (238) [system] c=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _371032)
   Call: (239) [system] peek_char((0x56051b6b4f40), _371966)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _371032=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (238) [system] _361736=[c]
   Exit: (238) [system] [c]=[c]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (237) [system] _352440=[b, c]
   Exit: (237) [system] [b, c]=[b, c]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (236) [user] classify_and_convert_charseq(a, [b, c], _331896)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_386864, _386866), once(user:catch(read_from_chars([a, b, c], _331896), _386840, fail)), '$restore_trace'(_386864, _386866))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_386864, _386866))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _386840, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(abc)
   Exit: (237) [system] atomic(abc)
^  Exit: (236) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _394364)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _396222)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _403032)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _405736)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _415128)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=')'
   Call: (235) [system] '('=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _418842)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _420700)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _429168)
   Exit: (236) [system] get_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('='('
   Exit: (236) [system] '('='('
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _418842)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _434738)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'=(;)
^  Call: (238) [user] is_like_space('C')
   Call: (239) [system] char_type('C', 'white')
   Call: (239) [system] char_type('C', end_of_line)
   Call: (239) [system] char_type('C', space)
   Call: (239) [system] char_type('C', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _443206)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (237) [system] 'C'=')'
   Call: (237) [system] 'C'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _446920)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _448778)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'=(;)
^  Call: (239) [user] is_like_space('C')
   Call: (240) [system] char_type('C', 'white')
   Call: (240) [system] char_type('C', end_of_line)
   Call: (240) [system] char_type('C', space)
   Call: (240) [system] char_type('C', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _457246)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'C')
   Call: (238) [system] 'C'='('
   Call: (238) [system] 'C'='['
   Call: (238) [system] 'C'='{'
   Call: (238) [system] 'C'='"'
   Call: (238) [system] 'C'=!
   Call: (238) [system] 'C'='\''
   Call: (238) [system] 'C'='`'
   Call: (238) [system] 'C'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _446920)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _467464)
   Call: (240) [system] peek_char((0x56051b6b4f40), _468398)
   Exit: (240) [system] peek_char((0x56051b6b4f40), o)
^  Call: (240) [user] is_delimiter(o)
   Call: (241) [system] char_type(o, space)
   Call: (241) [system] arg(_472190, v('(', ')', end_of_file), o)
   Call: (240) [system] ')'==o
   Call: (240) [system] get_char((0x56051b6b4f40), o)
   Exit: (240) [system] get_char((0x56051b6b4f40), o)
   Call: (240) [system] o=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _476760)
   Call: (241) [system] peek_char((0x56051b6b4f40), _477694)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_481486, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _486056)
   Call: (242) [system] peek_char((0x56051b6b4f40), _486990)
   Exit: (242) [system] peek_char((0x56051b6b4f40), j)
^  Call: (242) [user] is_delimiter(j)
   Call: (243) [system] char_type(j, space)
   Call: (243) [system] arg(_490782, v('(', ')', end_of_file), j)
   Call: (242) [system] ')'==j
   Call: (242) [system] get_char((0x56051b6b4f40), j)
   Exit: (242) [system] get_char((0x56051b6b4f40), j)
   Call: (242) [system] j=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _495352)
   Call: (243) [system] peek_char((0x56051b6b4f40), _496286)
   Exit: (243) [system] peek_char((0x56051b6b4f40), u)
^  Call: (243) [user] is_delimiter(u)
   Call: (244) [system] char_type(u, space)
   Call: (244) [system] arg(_500078, v('(', ')', end_of_file), u)
   Call: (243) [system] ')'==u
   Call: (243) [system] get_char((0x56051b6b4f40), u)
   Exit: (243) [system] get_char((0x56051b6b4f40), u)
   Call: (243) [system] u=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _504648)
   Call: (244) [system] peek_char((0x56051b6b4f40), _505582)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_509374, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _513944)
   Call: (245) [system] peek_char((0x56051b6b4f40), _514878)
   Exit: (245) [system] peek_char((0x56051b6b4f40), c)
^  Call: (245) [user] is_delimiter(c)
   Call: (246) [system] char_type(c, space)
   Call: (246) [system] arg(_518670, v('(', ')', end_of_file), c)
   Call: (245) [system] ')'==c
   Call: (245) [system] get_char((0x56051b6b4f40), c)
   Exit: (245) [system] get_char((0x56051b6b4f40), c)
   Call: (245) [system] c=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _523240)
   Call: (246) [system] peek_char((0x56051b6b4f40), _524174)
   Exit: (246) [system] peek_char((0x56051b6b4f40), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_527966, v('(', ')', end_of_file), t)
   Call: (246) [system] ')'==t
   Call: (246) [system] get_char((0x56051b6b4f40), t)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _532536)
   Call: (247) [system] peek_char((0x56051b6b4f40), _533470)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_537262, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _541832)
   Call: (248) [system] peek_char((0x56051b6b4f40), _542766)
   Exit: (248) [system] peek_char((0x56051b6b4f40), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_546558, v('(', ')', end_of_file), o)
   Call: (248) [system] ')'==o
   Call: (248) [system] get_char((0x56051b6b4f40), o)
   Exit: (248) [system] get_char((0x56051b6b4f40), o)
   Call: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _551128)
   Call: (249) [system] peek_char((0x56051b6b4f40), _552062)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_555854, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _560424)
   Call: (250) [system] peek_char((0x56051b6b4f40), _561358)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (250) [user] is_delimiter('I')
   Call: (251) [system] char_type('I', space)
   Call: (251) [system] arg(_565150, v('(', ')', end_of_file), 'I')
   Call: (250) [system] ')'=='I'
   Call: (250) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (250) [system] get_char((0x56051b6b4f40), 'I')
   Call: (250) [system] 'I'=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _569720)
   Call: (251) [system] peek_char((0x56051b6b4f40), _570654)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_574446, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _579016)
   Call: (252) [system] peek_char((0x56051b6b4f40), _579950)
   Exit: (252) [system] peek_char((0x56051b6b4f40), t)
^  Call: (252) [user] is_delimiter(t)
   Call: (253) [system] char_type(t, space)
   Call: (253) [system] arg(_583742, v('(', ')', end_of_file), t)
   Call: (252) [system] ')'==t
   Call: (252) [system] get_char((0x56051b6b4f40), t)
   Exit: (252) [system] get_char((0x56051b6b4f40), t)
   Call: (252) [system] t=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _588312)
   Call: (253) [system] peek_char((0x56051b6b4f40), _589246)
   Exit: (253) [system] peek_char((0x56051b6b4f40), r)
^  Call: (253) [user] is_delimiter(r)
   Call: (254) [system] char_type(r, space)
   Call: (254) [system] arg(_593038, v('(', ')', end_of_file), r)
   Call: (253) [system] ')'==r
   Call: (253) [system] get_char((0x56051b6b4f40), r)
   Exit: (253) [system] get_char((0x56051b6b4f40), r)
   Call: (253) [system] r=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _597608)
   Call: (254) [system] peek_char((0x56051b6b4f40), _598542)
   Exit: (254) [system] peek_char((0x56051b6b4f40), o)
^  Call: (254) [user] is_delimiter(o)
   Call: (255) [system] char_type(o, space)
   Call: (255) [system] arg(_602334, v('(', ')', end_of_file), o)
   Call: (254) [system] ')'==o
   Call: (254) [system] get_char((0x56051b6b4f40), o)
   Exit: (254) [system] get_char((0x56051b6b4f40), o)
   Call: (254) [system] o=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _606904)
   Call: (255) [system] peek_char((0x56051b6b4f40), _607838)
   Exit: (255) [system] peek_char((0x56051b6b4f40), d)
^  Call: (255) [user] is_delimiter(d)
   Call: (256) [system] char_type(d, space)
   Call: (256) [system] arg(_611630, v('(', ')', end_of_file), d)
   Call: (255) [system] ')'==d
   Call: (255) [system] get_char((0x56051b6b4f40), d)
   Exit: (255) [system] get_char((0x56051b6b4f40), d)
   Call: (255) [system] d=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _616200)
   Call: (256) [system] peek_char((0x56051b6b4f40), _617134)
   Exit: (256) [system] peek_char((0x56051b6b4f40), u)
^  Call: (256) [user] is_delimiter(u)
   Call: (257) [system] char_type(u, space)
   Call: (257) [system] arg(_620926, v('(', ')', end_of_file), u)
   Call: (256) [system] ')'==u
   Call: (256) [system] get_char((0x56051b6b4f40), u)
   Exit: (256) [system] get_char((0x56051b6b4f40), u)
   Call: (256) [system] u=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _625496)
   Call: (257) [system] peek_char((0x56051b6b4f40), _626430)
   Exit: (257) [system] peek_char((0x56051b6b4f40), c)
^  Call: (257) [user] is_delimiter(c)
   Call: (258) [system] char_type(c, space)
   Call: (258) [system] arg(_630222, v('(', ')', end_of_file), c)
   Call: (257) [system] ')'==c
   Call: (257) [system] get_char((0x56051b6b4f40), c)
   Exit: (257) [system] get_char((0x56051b6b4f40), c)
   Call: (257) [system] c=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _634792)
   Call: (258) [system] peek_char((0x56051b6b4f40), _635726)
   Exit: (258) [system] peek_char((0x56051b6b4f40), t)
^  Call: (258) [user] is_delimiter(t)
   Call: (259) [system] char_type(t, space)
   Call: (259) [system] arg(_639518, v('(', ')', end_of_file), t)
   Call: (258) [system] ')'==t
   Call: (258) [system] get_char((0x56051b6b4f40), t)
   Exit: (258) [system] get_char((0x56051b6b4f40), t)
   Call: (258) [system] t=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _644088)
   Call: (259) [system] peek_char((0x56051b6b4f40), _645022)
   Exit: (259) [system] peek_char((0x56051b6b4f40), i)
^  Call: (259) [user] is_delimiter(i)
   Call: (260) [system] char_type(i, space)
   Call: (260) [system] arg(_648814, v('(', ')', end_of_file), i)
   Call: (259) [system] ')'==i
   Call: (259) [system] get_char((0x56051b6b4f40), i)
   Exit: (259) [system] get_char((0x56051b6b4f40), i)
   Call: (259) [system] i=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _653384)
   Call: (260) [system] peek_char((0x56051b6b4f40), _654318)
   Exit: (260) [system] peek_char((0x56051b6b4f40), o)
^  Call: (260) [user] is_delimiter(o)
   Call: (261) [system] char_type(o, space)
   Call: (261) [system] arg(_658110, v('(', ')', end_of_file), o)
   Call: (260) [system] ')'==o
   Call: (260) [system] get_char((0x56051b6b4f40), o)
   Exit: (260) [system] get_char((0x56051b6b4f40), o)
   Call: (260) [system] o=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _662680)
   Call: (261) [system] peek_char((0x56051b6b4f40), _663614)
   Exit: (261) [system] peek_char((0x56051b6b4f40), n)
^  Call: (261) [user] is_delimiter(n)
   Call: (262) [system] char_type(n, space)
   Call: (262) [system] arg(_667406, v('(', ')', end_of_file), n)
   Call: (261) [system] ')'==n
   Call: (261) [system] get_char((0x56051b6b4f40), n)
   Exit: (261) [system] get_char((0x56051b6b4f40), n)
   Call: (261) [system] n=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _671976)
   Call: (262) [system] peek_char((0x56051b6b4f40), _672910)
   Exit: (262) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (262) [user] is_delimiter(' ')
   Call: (263) [system] char_type(' ', space)
   Exit: (263) [system] char_type(' ', space)
^  Exit: (262) [user] is_delimiter(' ')
   Call: (262) [system] _671976=[]
   Exit: (262) [system] []=[]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (261) [system] _662680=[n]
   Exit: (261) [system] [n]=[n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (260) [system] _653384=[o, n]
   Exit: (260) [system] [o, n]=[o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (259) [system] _644088=[i, o, n]
   Exit: (259) [system] [i, o, n]=[i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (258) [system] _634792=[t, i, o, n]
   Exit: (258) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (257) [system] _625496=[c, t, i, o, n]
   Exit: (257) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (256) [system] _616200=[u, c, t, i, o, n]
   Exit: (256) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (255) [system] _606904=[d, u, c, t, i, o, n]
   Exit: (255) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (254) [system] _597608=[o, d, u, c, t, i, o, n]
   Exit: (254) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (253) [system] _588312=[r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _579016=[t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _569720=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _560424=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _551128=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _541832=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _532536=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _523240=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _513944=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _504648=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _495352=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _486056=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _476760=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _467464=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (239) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _446920)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_743688, _743690), once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _446920), _743664, fail)), '$restore_trace'(_743688, _743690))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_743688, _743690))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _446920), _743664, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_446920)
   Call: (240) [system] atom_chars(_446920, ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (240) [system] atom_chars('ConjunctionIntroduction', ['C', o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (239) [user] classify_and_convert_charseq('C', [o, n, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'ConjunctionIntroduction')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'ConjunctionIntroduction')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'ConjunctionIntroduction')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _752140)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _753998)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _760808)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _763512)
   Exit: (240) [system] peek_char((0x56051b6b4f40), a)
   Call: (240) [system] a=(;)
^  Call: (240) [user] is_like_space(a)
   Call: (241) [system] char_type(a, 'white')
   Call: (241) [system] char_type(a, end_of_line)
   Call: (241) [system] char_type(a, space)
   Call: (241) [system] char_type(a, cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _772904)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
   Call: (238) [system] a=')'
   Call: (238) [system] a=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _776618)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _778476)
   Exit: (240) [system] peek_char((0x56051b6b4f40), a)
   Call: (240) [system] a=(;)
^  Call: (240) [user] is_like_space(a)
   Call: (241) [system] char_type(a, 'white')
   Call: (241) [system] char_type(a, end_of_line)
   Call: (241) [system] char_type(a, space)
   Call: (241) [system] char_type(a, cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _786944)
   Exit: (239) [system] get_char((0x56051b6b4f40), a)
   Call: (239) [system] a='('
   Call: (239) [system] a='['
   Call: (239) [system] a='{'
   Call: (239) [system] a='"'
   Call: (239) [system] a=!
   Call: (239) [system] a='\''
   Call: (239) [system] a='`'
   Call: (239) [system] a=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), a, _776618)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _797162)
   Call: (241) [system] peek_char((0x56051b6b4f40), _798096)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _797162=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq(a, [], _776618)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_807406, _807408), once(user:catch(read_from_chars([a], _776618), _807382, fail)), '$restore_trace'(_807406, _807408))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_807406, _807408))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _807382, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(a)
   Exit: (241) [system] atomic(a)
^  Exit: (240) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _814906)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _816764)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _823574)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _826278)
   Exit: (241) [system] peek_char((0x56051b6b4f40), a)
   Call: (241) [system] a=(;)
^  Call: (241) [user] is_like_space(a)
   Call: (242) [system] char_type(a, 'white')
   Call: (242) [system] char_type(a, end_of_line)
   Call: (242) [system] char_type(a, space)
   Call: (242) [system] char_type(a, cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _835670)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=')'
   Call: (239) [system] a=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _839384)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _841242)
   Exit: (241) [system] peek_char((0x56051b6b4f40), a)
   Call: (241) [system] a=(;)
^  Call: (241) [user] is_like_space(a)
   Call: (242) [system] char_type(a, 'white')
   Call: (242) [system] char_type(a, end_of_line)
   Call: (242) [system] char_type(a, space)
   Call: (242) [system] char_type(a, cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _849710)
   Exit: (240) [system] get_char((0x56051b6b4f40), a)
   Call: (240) [system] a='('
   Call: (240) [system] a='['
   Call: (240) [system] a='{'
   Call: (240) [system] a='"'
   Call: (240) [system] a=!
   Call: (240) [system] a='\''
   Call: (240) [system] a='`'
   Call: (240) [system] a=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), a, _839384)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _859928)
   Call: (242) [system] peek_char((0x56051b6b4f40), _860862)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (242) [user] is_delimiter(')')
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] arg(_864654, v('(', ')', end_of_file), ')')
   Exit: (243) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (242) [user] is_delimiter(')')
   Call: (242) [system] _859928=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq(a, [], _839384)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_871116, _871118), once(user:catch(read_from_chars([a], _839384), _871092, fail)), '$restore_trace'(_871116, _871118))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_871116, _871118))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _871092, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(a)
   Exit: (242) [system] atomic(a)
^  Exit: (241) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _878616)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _880474)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=(;)
^  Call: (241) [user] is_like_space(')')
   Call: (242) [system] char_type(')', 'white')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] char_type(')', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _888942)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=')'
   Exit: (240) [system] ')'=')'
   Call: (240) [system] get_char((0x56051b6b4f40), _892732)
   Exit: (240) [system] get_char((0x56051b6b4f40), ')')
   Call: (240) [system] _878616=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (239) [system] _814906=[a]
   Exit: (239) [system] [a]=[a]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (238) [system] _752140=[a, a]
   Exit: (238) [system] [a, a]=[a, a]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (237) [system] _418842=['ConjunctionIntroduction', a, a]
   Exit: (237) [system] ['ConjunctionIntroduction', a, a]=['ConjunctionIntroduction', a, a]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), ['ConjunctionIntroduction', a, a])
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _906614)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _908472)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=(;)
^  Call: (237) [user] is_like_space(')')
   Call: (238) [system] char_type(')', 'white')
   Call: (238) [system] char_type(')', end_of_line)
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] char_type(')', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _916940)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=')'
   Exit: (236) [system] ')'=')'
   Call: (236) [system] get_char((0x56051b6b4f40), _920730)
   Exit: (236) [system] get_char((0x56051b6b4f40), ')')
   Call: (236) [system] _906614=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (235) [system] _394364=[['ConjunctionIntroduction', a, a]]
   Exit: (235) [system] [['ConjunctionIntroduction', a, a]]=[['ConjunctionIntroduction', a, a]]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [['ConjunctionIntroduction', a, a]])
   Call: (234) [system] _307418=[abc, ['ConjunctionIntroduction', a, a]]
   Exit: (234) [system] [abc, ['ConjunctionIntroduction', a, a]]=[abc, ['ConjunctionIntroduction', a, a]]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [abc, ['ConjunctionIntroduction', a, a]])
   Call: (233) [system] _9344=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]
   Exit: (233) [system] ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]=['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]])
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]])
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _934612)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _936470)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _943280)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _945984)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _955376)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _959090)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _960948)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _969416)
   Exit: (233) [system] get_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _959090)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _974986)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (235) [system] 'O'=(;)
^  Call: (235) [user] is_like_space('O')
   Call: (236) [system] char_type('O', 'white')
   Call: (236) [system] char_type('O', end_of_line)
   Call: (236) [system] char_type('O', space)
   Call: (236) [system] char_type('O', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _983454)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (234) [system] 'O'=')'
   Call: (234) [system] 'O'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _987168)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _989026)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (236) [system] 'O'=(;)
^  Call: (236) [user] is_like_space('O')
   Call: (237) [system] char_type('O', 'white')
   Call: (237) [system] char_type('O', end_of_line)
   Call: (237) [system] char_type('O', space)
   Call: (237) [system] char_type('O', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _997494)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'O')
   Call: (235) [system] 'O'='('
   Call: (235) [system] 'O'='['
   Call: (235) [system] 'O'='{'
   Call: (235) [system] 'O'='"'
   Call: (235) [system] 'O'=!
   Call: (235) [system] 'O'='\''
   Call: (235) [system] 'O'='`'
   Call: (235) [system] 'O'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _987168)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1007712)
   Call: (237) [system] peek_char((0x56051b6b4f40), _1008646)
   Exit: (237) [system] peek_char((0x56051b6b4f40), r)
^  Call: (237) [user] is_delimiter(r)
   Call: (238) [system] char_type(r, space)
   Call: (238) [system] arg(_1012438, v('(', ')', end_of_file), r)
   Call: (237) [system] ')'==r
   Call: (237) [system] get_char((0x56051b6b4f40), r)
   Exit: (237) [system] get_char((0x56051b6b4f40), r)
   Call: (237) [system] r=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1017008)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1017942)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (238) [user] is_delimiter('L')
   Call: (239) [system] char_type('L', space)
   Call: (239) [system] arg(_1021734, v('(', ')', end_of_file), 'L')
   Call: (238) [system] ')'=='L'
   Call: (238) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (238) [system] get_char((0x56051b6b4f40), 'L')
   Call: (238) [system] 'L'=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1026304)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1027238)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_1031030, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1035600)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1036534)
   Exit: (240) [system] peek_char((0x56051b6b4f40), n)
^  Call: (240) [user] is_delimiter(n)
   Call: (241) [system] char_type(n, space)
   Call: (241) [system] arg(_1040326, v('(', ')', end_of_file), n)
   Call: (240) [system] ')'==n
   Call: (240) [system] get_char((0x56051b6b4f40), n)
   Exit: (240) [system] get_char((0x56051b6b4f40), n)
   Call: (240) [system] n=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1044896)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1045830)
   Exit: (241) [system] peek_char((0x56051b6b4f40), k)
^  Call: (241) [user] is_delimiter(k)
   Call: (242) [system] char_type(k, space)
   Call: (242) [system] arg(_1049622, v('(', ')', end_of_file), k)
   Call: (241) [system] ')'==k
   Call: (241) [system] get_char((0x56051b6b4f40), k)
   Exit: (241) [system] get_char((0x56051b6b4f40), k)
   Call: (241) [system] k=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1054192)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1055126)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1054192=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (241) [system] _1044896=[k]
   Exit: (241) [system] [k]=[k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (240) [system] _1035600=[n, k]
   Exit: (240) [system] [n, k]=[n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (239) [system] _1026304=[i, n, k]
   Exit: (239) [system] [i, n, k]=[i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (238) [system] _1017008=['L', i, n, k]
   Exit: (238) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (237) [system] _1007712=[r, 'L', i, n, k]
   Exit: (237) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (236) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _987168)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_1078406, _1078408), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _987168), _1078382, fail)), '$restore_trace'(_1078406, _1078408))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_1078406, _1078408))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _987168), _1078382, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_987168)
   Call: (237) [system] atom_chars(_987168, ['O', r, 'L', i, n, k])
   Exit: (237) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (236) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1086858)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1088716)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _1095526)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1098230)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1107622)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=')'
   Call: (235) [system] '('=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1111336)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1113194)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1121662)
   Exit: (236) [system] get_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('='('
   Exit: (236) [system] '('='('
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1111336)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1127232)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'=(;)
^  Call: (238) [user] is_like_space('I')
   Call: (239) [system] char_type('I', 'white')
   Call: (239) [system] char_type('I', end_of_line)
   Call: (239) [system] char_type('I', space)
   Call: (239) [system] char_type('I', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1135700)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (237) [system] 'I'=')'
   Call: (237) [system] 'I'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1139414)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1141272)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (239) [system] 'I'=(;)
^  Call: (239) [user] is_like_space('I')
   Call: (240) [system] char_type('I', 'white')
   Call: (240) [system] char_type('I', end_of_line)
   Call: (240) [system] char_type('I', space)
   Call: (240) [system] char_type('I', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1149740)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'I')
   Call: (238) [system] 'I'='('
   Call: (238) [system] 'I'='['
   Call: (238) [system] 'I'='{'
   Call: (238) [system] 'I'='"'
   Call: (238) [system] 'I'=!
   Call: (238) [system] 'I'='\''
   Call: (238) [system] 'I'='`'
   Call: (238) [system] 'I'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1139414)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1159958)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1160892)
   Exit: (240) [system] peek_char((0x56051b6b4f40), m)
^  Call: (240) [user] is_delimiter(m)
   Call: (241) [system] char_type(m, space)
   Call: (241) [system] arg(_1164684, v('(', ')', end_of_file), m)
   Call: (240) [system] ')'==m
   Call: (240) [system] get_char((0x56051b6b4f40), m)
   Exit: (240) [system] get_char((0x56051b6b4f40), m)
   Call: (240) [system] m=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1169254)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1170188)
   Exit: (241) [system] peek_char((0x56051b6b4f40), p)
^  Call: (241) [user] is_delimiter(p)
   Call: (242) [system] char_type(p, space)
   Call: (242) [system] arg(_1173980, v('(', ')', end_of_file), p)
   Call: (241) [system] ')'==p
   Call: (241) [system] get_char((0x56051b6b4f40), p)
   Exit: (241) [system] get_char((0x56051b6b4f40), p)
   Call: (241) [system] p=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1178550)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1179484)
   Exit: (242) [system] peek_char((0x56051b6b4f40), l)
^  Call: (242) [user] is_delimiter(l)
   Call: (243) [system] char_type(l, space)
   Call: (243) [system] arg(_1183276, v('(', ')', end_of_file), l)
   Call: (242) [system] ')'==l
   Call: (242) [system] get_char((0x56051b6b4f40), l)
   Exit: (242) [system] get_char((0x56051b6b4f40), l)
   Call: (242) [system] l=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1187846)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1188780)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1192572, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1197142)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1198076)
   Exit: (244) [system] peek_char((0x56051b6b4f40), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_1201868, v('(', ')', end_of_file), c)
   Call: (244) [system] ')'==c
   Call: (244) [system] get_char((0x56051b6b4f40), c)
   Exit: (244) [system] get_char((0x56051b6b4f40), c)
   Call: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1206438)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1207372)
   Exit: (245) [system] peek_char((0x56051b6b4f40), a)
^  Call: (245) [user] is_delimiter(a)
   Call: (246) [system] char_type(a, space)
   Call: (246) [system] arg(_1211164, v('(', ')', end_of_file), a)
   Call: (245) [system] ')'==a
   Call: (245) [system] get_char((0x56051b6b4f40), a)
   Exit: (245) [system] get_char((0x56051b6b4f40), a)
   Call: (245) [system] a=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1215734)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1216668)
   Exit: (246) [system] peek_char((0x56051b6b4f40), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_1220460, v('(', ')', end_of_file), t)
   Call: (246) [system] ')'==t
   Call: (246) [system] get_char((0x56051b6b4f40), t)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1225030)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1225964)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_1229756, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1234326)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1235260)
   Exit: (248) [system] peek_char((0x56051b6b4f40), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_1239052, v('(', ')', end_of_file), o)
   Call: (248) [system] ')'==o
   Call: (248) [system] get_char((0x56051b6b4f40), o)
   Exit: (248) [system] get_char((0x56051b6b4f40), o)
   Call: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1243622)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1244556)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_1248348, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1252918)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1253852)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _1252918=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (249) [system] _1243622=[n]
   Exit: (249) [system] [n]=[n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (248) [system] _1234326=[o, n]
   Exit: (248) [system] [o, n]=[o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (247) [system] _1225030=[i, o, n]
   Exit: (247) [system] [i, o, n]=[i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (246) [system] _1215734=[t, i, o, n]
   Exit: (246) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (245) [system] _1206438=[a, t, i, o, n]
   Exit: (245) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (244) [system] _1197142=[c, a, t, i, o, n]
   Exit: (244) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (243) [system] _1187846=[i, c, a, t, i, o, n]
   Exit: (243) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (242) [system] _1178550=[l, i, c, a, t, i, o, n]
   Exit: (242) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (241) [system] _1169254=[p, l, i, c, a, t, i, o, n]
   Exit: (241) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (240) [system] _1159958=[m, p, l, i, c, a, t, i, o, n]
   Exit: (240) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (239) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1139414)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1291102, _1291104), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1139414), _1291078, fail)), '$restore_trace'(_1291102, _1291104))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1291102, _1291104))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1139414), _1291078, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1139414)
   Call: (240) [system] atom_chars(_1139414, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (240) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (239) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1299554)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1301412)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _1308222)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1310926)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1320318)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=')'
   Call: (238) [system] '('=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1324032)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1325890)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1334358)
   Exit: (239) [system] get_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('='('
   Exit: (239) [system] '('='('
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1324032)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1339928)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'=(;)
^  Call: (241) [user] is_like_space('A')
   Call: (242) [system] char_type('A', 'white')
   Call: (242) [system] char_type('A', end_of_line)
   Call: (242) [system] char_type('A', space)
   Call: (242) [system] char_type('A', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1348396)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=')'
   Call: (240) [system] 'A'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _1352110)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1353968)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (242) [system] 'A'=(;)
^  Call: (242) [user] is_like_space('A')
   Call: (243) [system] char_type('A', 'white')
   Call: (243) [system] char_type('A', end_of_line)
   Call: (243) [system] char_type('A', space)
   Call: (243) [system] char_type('A', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _1362436)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'='('
   Call: (241) [system] 'A'='['
   Call: (241) [system] 'A'='{'
   Call: (241) [system] 'A'='"'
   Call: (241) [system] 'A'=!
   Call: (241) [system] 'A'='\''
   Call: (241) [system] 'A'='`'
   Call: (241) [system] 'A'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1352110)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1372654)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1373588)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1377380, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1381950)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1382884)
   Exit: (244) [system] peek_char((0x56051b6b4f40), d)
^  Call: (244) [user] is_delimiter(d)
   Call: (245) [system] char_type(d, space)
   Call: (245) [system] arg(_1386676, v('(', ')', end_of_file), d)
   Call: (244) [system] ')'==d
   Call: (244) [system] get_char((0x56051b6b4f40), d)
   Exit: (244) [system] get_char((0x56051b6b4f40), d)
   Call: (244) [system] d=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1391246)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1392180)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (245) [user] is_delimiter('L')
   Call: (246) [system] char_type('L', space)
   Call: (246) [system] arg(_1395972, v('(', ')', end_of_file), 'L')
   Call: (245) [system] ')'=='L'
   Call: (245) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (245) [system] get_char((0x56051b6b4f40), 'L')
   Call: (245) [system] 'L'=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1400542)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1401476)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_1405268, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1409838)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1410772)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_1414564, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1419134)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1420068)
   Exit: (248) [system] peek_char((0x56051b6b4f40), k)
^  Call: (248) [user] is_delimiter(k)
   Call: (249) [system] char_type(k, space)
   Call: (249) [system] arg(_1423860, v('(', ')', end_of_file), k)
   Call: (248) [system] ')'==k
   Call: (248) [system] get_char((0x56051b6b4f40), k)
   Exit: (248) [system] get_char((0x56051b6b4f40), k)
   Call: (248) [system] k=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1428430)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1429364)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _1428430=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (248) [system] _1419134=[k]
   Exit: (248) [system] [k]=[k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (247) [system] _1409838=[n, k]
   Exit: (247) [system] [n, k]=[n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (246) [system] _1400542=[i, n, k]
   Exit: (246) [system] [i, n, k]=[i, n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (245) [system] _1391246=['L', i, n, k]
   Exit: (245) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (244) [system] _1381950=[d, 'L', i, n, k]
   Exit: (244) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (243) [system] _1372654=[n, d, 'L', i, n, k]
   Exit: (243) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (242) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1352110)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_1455438, _1455440), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1352110), _1455414, fail)), '$restore_trace'(_1455438, _1455440))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_1455438, _1455440))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1352110), _1455414, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_1352110)
   Call: (243) [system] atom_chars(_1352110, ['A', n, d, 'L', i, n, k])
   Exit: (243) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (242) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _1463890)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1465748)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _1472558)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1475262)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (243) [system] 'A'=(;)
^  Call: (243) [user] is_like_space('A')
   Call: (244) [system] char_type('A', 'white')
   Call: (244) [system] char_type('A', end_of_line)
   Call: (244) [system] char_type('A', space)
   Call: (244) [system] char_type('A', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1484654)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'=')'
   Call: (241) [system] 'A'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _1488368)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1490226)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (243) [system] 'A'=(;)
^  Call: (243) [user] is_like_space('A')
   Call: (244) [system] char_type('A', 'white')
   Call: (244) [system] char_type('A', end_of_line)
   Call: (244) [system] char_type('A', space)
   Call: (244) [system] char_type('A', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _1498694)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'A')
   Call: (242) [system] 'A'='('
   Call: (242) [system] 'A'='['
   Call: (242) [system] 'A'='{'
   Call: (242) [system] 'A'='"'
   Call: (242) [system] 'A'=!
   Call: (242) [system] 'A'='\''
   Call: (242) [system] 'A'='`'
   Call: (242) [system] 'A'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1488368)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1508912)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1509846)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _1508912=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (243) [user] classify_and_convert_charseq('A', [], _1488368)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_1519156, _1519158), once(user:catch(read_from_chars(['A'], _1488368), _1519132, fail)), '$restore_trace'(_1519156, _1519158))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_1519156, _1519158))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1488368), _1519132, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_1488368)
   Call: (244) [system] atom_chars(_1488368, ['A'])
   Exit: (244) [system] atom_chars('A', ['A'])
^  Exit: (243) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _1527608)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1529466)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _1536276)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1538980)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (244) [system] 'B'=(;)
^  Call: (244) [user] is_like_space('B')
   Call: (245) [system] char_type('B', 'white')
   Call: (245) [system] char_type('B', end_of_line)
   Call: (245) [system] char_type('B', space)
   Call: (245) [system] char_type('B', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1548372)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (242) [system] 'B'=')'
   Call: (242) [system] 'B'=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _1552086)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1553944)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (244) [system] 'B'=(;)
^  Call: (244) [user] is_like_space('B')
   Call: (245) [system] char_type('B', 'white')
   Call: (245) [system] char_type('B', end_of_line)
   Call: (245) [system] char_type('B', space)
   Call: (245) [system] char_type('B', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _1562412)
   Exit: (243) [system] get_char((0x56051b6b4f40), 'B')
   Call: (243) [system] 'B'='('
   Call: (243) [system] 'B'='['
   Call: (243) [system] 'B'='{'
   Call: (243) [system] 'B'='"'
   Call: (243) [system] 'B'=!
   Call: (243) [system] 'B'='\''
   Call: (243) [system] 'B'='`'
   Call: (243) [system] 'B'=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1552086)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1572630)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1573564)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (245) [user] is_delimiter(')')
   Call: (246) [system] char_type(')', space)
   Call: (246) [system] arg(_1577356, v('(', ')', end_of_file), ')')
   Exit: (246) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (245) [user] is_delimiter(')')
   Call: (245) [system] _1572630=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (244) [user] classify_and_convert_charseq('B', [], _1552086)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_1583818, _1583820), once(user:catch(read_from_chars(['B'], _1552086), _1583794, fail)), '$restore_trace'(_1583818, _1583820))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_1583818, _1583820))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1552086), _1583794, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(_1552086)
   Call: (245) [system] atom_chars(_1552086, ['B'])
   Exit: (245) [system] atom_chars('B', ['B'])
^  Exit: (244) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1592270)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1594128)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=(;)
^  Call: (244) [user] is_like_space(')')
   Call: (245) [system] char_type(')', 'white')
   Call: (245) [system] char_type(')', end_of_line)
   Call: (245) [system] char_type(')', space)
   Call: (245) [system] char_type(')', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1602596)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=')'
   Exit: (243) [system] ')'=')'
   Call: (243) [system] get_char((0x56051b6b4f40), _1606386)
   Exit: (243) [system] get_char((0x56051b6b4f40), ')')
   Call: (243) [system] _1592270=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (242) [system] _1527608=['B']
   Exit: (242) [system] ['B']=['B']
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (241) [system] _1463890=['A', 'B']
   Exit: (241) [system] ['A', 'B']=['A', 'B']
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (240) [system] _1324032=['AndLink', 'A', 'B']
   Exit: (240) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1620268)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1622126)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _1628936)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1631640)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (241) [system] 'C'=(;)
^  Call: (241) [user] is_like_space('C')
   Call: (242) [system] char_type('C', 'white')
   Call: (242) [system] char_type('C', end_of_line)
   Call: (242) [system] char_type('C', space)
   Call: (242) [system] char_type('C', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1641032)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (239) [system] 'C'=')'
   Call: (239) [system] 'C'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _1644746)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1646604)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (241) [system] 'C'=(;)
^  Call: (241) [user] is_like_space('C')
   Call: (242) [system] char_type('C', 'white')
   Call: (242) [system] char_type('C', end_of_line)
   Call: (242) [system] char_type('C', space)
   Call: (242) [system] char_type('C', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _1655072)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'C')
   Call: (240) [system] 'C'='('
   Call: (240) [system] 'C'='['
   Call: (240) [system] 'C'='{'
   Call: (240) [system] 'C'='"'
   Call: (240) [system] 'C'=!
   Call: (240) [system] 'C'='\''
   Call: (240) [system] 'C'='`'
   Call: (240) [system] 'C'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1644746)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1665290)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1666224)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (242) [user] is_delimiter(')')
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] arg(_1670016, v('(', ')', end_of_file), ')')
   Exit: (243) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (242) [user] is_delimiter(')')
   Call: (242) [system] _1665290=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq('C', [], _1644746)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_1676478, _1676480), once(user:catch(read_from_chars(['C'], _1644746), _1676454, fail)), '$restore_trace'(_1676478, _1676480))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_1676478, _1676480))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1644746), _1676454, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_1644746)
   Call: (242) [system] atom_chars(_1644746, ['C'])
   Exit: (242) [system] atom_chars('C', ['C'])
^  Exit: (241) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1684930)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1686788)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=(;)
^  Call: (241) [user] is_like_space(')')
   Call: (242) [system] char_type(')', 'white')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] char_type(')', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1695256)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=')'
   Exit: (240) [system] ')'=')'
   Call: (240) [system] get_char((0x56051b6b4f40), _1699046)
   Exit: (240) [system] get_char((0x56051b6b4f40), ')')
   Call: (240) [system] _1684930=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (239) [system] _1620268=['C']
   Exit: (239) [system] ['C']=['C']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (238) [system] _1299554=[['AndLink', 'A', 'B'], 'C']
   Exit: (238) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (237) [system] _1111336=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (237) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1712928)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1714786)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _1721596)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1724300)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1733692)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=')'
   Call: (236) [system] '('=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1737406)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1739264)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1747732)
   Exit: (237) [system] get_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('='('
   Exit: (237) [system] '('='('
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1737406)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1753302)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=(;)
^  Call: (239) [user] is_like_space('A')
   Call: (240) [system] char_type('A', 'white')
   Call: (240) [system] char_type('A', end_of_line)
   Call: (240) [system] char_type('A', space)
   Call: (240) [system] char_type('A', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1761770)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (238) [system] 'A'=')'
   Call: (238) [system] 'A'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1765484)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1767342)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=(;)
^  Call: (240) [user] is_like_space('A')
   Call: (241) [system] char_type('A', 'white')
   Call: (241) [system] char_type('A', end_of_line)
   Call: (241) [system] char_type('A', space)
   Call: (241) [system] char_type('A', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1775810)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'='('
   Call: (239) [system] 'A'='['
   Call: (239) [system] 'A'='{'
   Call: (239) [system] 'A'='"'
   Call: (239) [system] 'A'=!
   Call: (239) [system] 'A'='\''
   Call: (239) [system] 'A'='`'
   Call: (239) [system] 'A'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1765484)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1786028)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1786962)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_1790754, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1795324)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1796258)
   Exit: (242) [system] peek_char((0x56051b6b4f40), d)
^  Call: (242) [user] is_delimiter(d)
   Call: (243) [system] char_type(d, space)
   Call: (243) [system] arg(_1800050, v('(', ')', end_of_file), d)
   Call: (242) [system] ')'==d
   Call: (242) [system] get_char((0x56051b6b4f40), d)
   Exit: (242) [system] get_char((0x56051b6b4f40), d)
   Call: (242) [system] d=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1804620)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1805554)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (243) [user] is_delimiter('L')
   Call: (244) [system] char_type('L', space)
   Call: (244) [system] arg(_1809346, v('(', ')', end_of_file), 'L')
   Call: (243) [system] ')'=='L'
   Call: (243) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (243) [system] get_char((0x56051b6b4f40), 'L')
   Call: (243) [system] 'L'=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1813916)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1814850)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_1818642, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1823212)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1824146)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1827938, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1832508)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1833442)
   Exit: (246) [system] peek_char((0x56051b6b4f40), k)
^  Call: (246) [user] is_delimiter(k)
   Call: (247) [system] char_type(k, space)
   Call: (247) [system] arg(_1837234, v('(', ')', end_of_file), k)
   Call: (246) [system] ')'==k
   Call: (246) [system] get_char((0x56051b6b4f40), k)
   Exit: (246) [system] get_char((0x56051b6b4f40), k)
   Call: (246) [system] k=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1841804)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1842738)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1841804=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (246) [system] _1832508=[k]
   Exit: (246) [system] [k]=[k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (245) [system] _1823212=[n, k]
   Exit: (245) [system] [n, k]=[n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (244) [system] _1813916=[i, n, k]
   Exit: (244) [system] [i, n, k]=[i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (243) [system] _1804620=['L', i, n, k]
   Exit: (243) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (242) [system] _1795324=[d, 'L', i, n, k]
   Exit: (242) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (241) [system] _1786028=[n, d, 'L', i, n, k]
   Exit: (241) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (240) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1765484)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1868812, _1868814), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1765484), _1868788, fail)), '$restore_trace'(_1868812, _1868814))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1868812, _1868814))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1765484), _1868788, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1765484)
   Call: (241) [system] atom_chars(_1765484, ['A', n, d, 'L', i, n, k])
   Exit: (241) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (240) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1877264)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1879122)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _1885932)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1888636)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'=(;)
^  Call: (241) [user] is_like_space('A')
   Call: (242) [system] char_type('A', 'white')
   Call: (242) [system] char_type('A', end_of_line)
   Call: (242) [system] char_type('A', space)
   Call: (242) [system] char_type('A', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1898028)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (239) [system] 'A'=')'
   Call: (239) [system] 'A'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _1901742)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1903600)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'=(;)
^  Call: (241) [user] is_like_space('A')
   Call: (242) [system] char_type('A', 'white')
   Call: (242) [system] char_type('A', end_of_line)
   Call: (242) [system] char_type('A', space)
   Call: (242) [system] char_type('A', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _1912068)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'='('
   Call: (240) [system] 'A'='['
   Call: (240) [system] 'A'='{'
   Call: (240) [system] 'A'='"'
   Call: (240) [system] 'A'=!
   Call: (240) [system] 'A'='\''
   Call: (240) [system] 'A'='`'
   Call: (240) [system] 'A'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1901742)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1922286)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1923220)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1922286=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq('A', [], _1901742)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_1932530, _1932532), once(user:catch(read_from_chars(['A'], _1901742), _1932506, fail)), '$restore_trace'(_1932530, _1932532))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_1932530, _1932532))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1901742), _1932506, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_1901742)
   Call: (242) [system] atom_chars(_1901742, ['A'])
   Exit: (242) [system] atom_chars('A', ['A'])
^  Exit: (241) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1940982)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1942840)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _1949650)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1952354)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (242) [system] 'A'=(;)
^  Call: (242) [user] is_like_space('A')
   Call: (243) [system] char_type('A', 'white')
   Call: (243) [system] char_type('A', end_of_line)
   Call: (243) [system] char_type('A', space)
   Call: (243) [system] char_type('A', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1961746)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=')'
   Call: (240) [system] 'A'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _1965460)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1967318)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (242) [system] 'A'=(;)
^  Call: (242) [user] is_like_space('A')
   Call: (243) [system] char_type('A', 'white')
   Call: (243) [system] char_type('A', end_of_line)
   Call: (243) [system] char_type('A', space)
   Call: (243) [system] char_type('A', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _1975786)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'='('
   Call: (241) [system] 'A'='['
   Call: (241) [system] 'A'='{'
   Call: (241) [system] 'A'='"'
   Call: (241) [system] 'A'=!
   Call: (241) [system] 'A'='\''
   Call: (241) [system] 'A'='`'
   Call: (241) [system] 'A'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1965460)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1986004)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1986938)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (243) [user] is_delimiter(')')
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] arg(_1990730, v('(', ')', end_of_file), ')')
   Exit: (244) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (243) [user] is_delimiter(')')
   Call: (243) [system] _1986004=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (242) [user] classify_and_convert_charseq('A', [], _1965460)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_1997192, _1997194), once(user:catch(read_from_chars(['A'], _1965460), _1997168, fail)), '$restore_trace'(_1997192, _1997194))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_1997192, _1997194))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1965460), _1997168, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_1965460)
   Call: (243) [system] atom_chars(_1965460, ['A'])
   Exit: (243) [system] atom_chars('A', ['A'])
^  Exit: (242) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _2005644)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _2007502)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=(;)
^  Call: (242) [user] is_like_space(')')
   Call: (243) [system] char_type(')', 'white')
   Call: (243) [system] char_type(')', end_of_line)
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] char_type(')', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _2015970)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=')'
   Exit: (241) [system] ')'=')'
   Call: (241) [system] get_char((0x56051b6b4f40), _2019760)
   Exit: (241) [system] get_char((0x56051b6b4f40), ')')
   Call: (241) [system] _2005644=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (240) [system] _1940982=['A']
   Exit: (240) [system] ['A']=['A']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (239) [system] _1877264=['A', 'A']
   Exit: (239) [system] ['A', 'A']=['A', 'A']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['A', 'A'])
   Call: (238) [system] _1737406=['AndLink', 'A', 'A']
   Exit: (238) [system] ['AndLink', 'A', 'A']=['AndLink', 'A', 'A']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'A'])
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'A'])
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _2033642)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _2035500)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _2043968)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x56051b6b4f40), _2047758)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] _2033642=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (236) [system] _1712928=[['AndLink', 'A', 'A']]
   Exit: (236) [system] [['AndLink', 'A', 'A']]=[['AndLink', 'A', 'A']]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'A']])
   Call: (235) [system] _1086858=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]
   Exit: (235) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']])
   Call: (234) [system] _959090=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]
   Exit: (234) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']])
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']])
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _2061640)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _2063498)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=(;)
^  Call: (234) [user] is_like_space(')')
   Call: (235) [system] char_type(')', 'white')
   Call: (235) [system] char_type(')', end_of_line)
   Call: (235) [system] char_type(')', space)
   Call: (235) [system] char_type(')', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _2071966)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ')')
   Call: (233) [system] ')'=')'
   Exit: (233) [system] ')'=')'
   Call: (233) [system] get_char((0x56051b6b4f40), _2075756)
   Exit: (233) [system] get_char((0x56051b6b4f40), ')')
   Call: (233) [system] _2061640=[]
   Exit: (233) [system] []=[]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (232) [system] _934612=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]]
   Exit: (232) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]])
   Call: (231) [system] _9340=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]]
   Exit: (231) [system] [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]]=[['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]])
   Call: (230) [system] _9332=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]]
   Exit: (230) [system] [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]]=[:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]]
^  Exit: (229) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]])
^  Exit: (228) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', abc, ['ConjunctionIntroduction', a, a]], ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['AndLink', 'A', 'A']]])
^  Call: (228) [user] read_list(')', (0x56051b6b4f40), _2089638)
^  Call: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _2091496)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (230) [system] '\n'=(;)
^  Call: (230) [user] is_like_space('\n')
   Call: (231) [system] char_type('\n', 'white')
   Call: (231) [system] char_type('\n', end_of_line)
   Exit: (231) [system] char_type('\n', end_of_line)
^  Exit: (230) [user] is_like_space('\n')
   Call: (230) [system] get_char((0x56051b6b4f40), _11784)
   Exit: (230) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _14488)
   Exit: (231) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (231) [system] ' '=(;)
^  Call: (231) [user] is_like_space(' ')
   Call: (232) [system] char_type(' ', 'white')
   Exit: (232) [system] char_type(' ', 'white')
^  Exit: (231) [user] is_like_space(' ')
   Call: (231) [system] get_char((0x56051b6b4f40), _21298)
   Exit: (231) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _24002)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (229) [user] skip_spaces((0x56051b6b4f40))
   Call: (229) [system] peek_char((0x56051b6b4f40), _34318)
   Exit: (229) [system] peek_char((0x56051b6b4f40), '(')
   Call: (229) [system] '('=')'
   Call: (229) [system] '('=end_of_file
^  Call: (229) [user] cont_sexpr(')', (0x56051b6b4f40), _38032)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _39890)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=(;)
^  Call: (231) [user] is_like_space('(')
   Call: (232) [system] char_type('(', 'white')
   Call: (232) [system] char_type('(', end_of_line)
   Call: (232) [system] char_type('(', space)
   Call: (232) [system] char_type('(', cntrl)
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] get_char((0x56051b6b4f40), _48358)
   Exit: (230) [system] get_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('='('
   Exit: (230) [system] '('='('
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _38032)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _53928)
   Exit: (232) [system] peek_char((0x56051b6b4f40), :)
   Call: (232) [system] (:)=(;)
^  Call: (232) [user] is_like_space(:)
   Call: (233) [system] char_type(:, 'white')
   Call: (233) [system] char_type(:, end_of_line)
   Call: (233) [system] char_type(:, space)
   Call: (233) [system] char_type(:, cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _62396)
   Exit: (231) [system] peek_char((0x56051b6b4f40), :)
   Call: (231) [system] (:)=')'
   Call: (231) [system] (:)=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _66110)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _67968)
   Exit: (233) [system] peek_char((0x56051b6b4f40), :)
   Call: (233) [system] (:)=(;)
^  Call: (233) [user] is_like_space(:)
   Call: (234) [system] char_type(:, 'white')
   Call: (234) [system] char_type(:, end_of_line)
   Call: (234) [system] char_type(:, space)
   Call: (234) [system] char_type(:, cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _76436)
   Exit: (232) [system] get_char((0x56051b6b4f40), :)
   Call: (232) [system] (:)='('
   Call: (232) [system] (:)='['
   Call: (232) [system] (:)='{'
   Call: (232) [system] (:)='"'
   Call: (232) [system] (:)=!
   Call: (232) [system] (:)='\''
   Call: (232) [system] (:)='`'
   Call: (232) [system] (:)=end_of_file
^  Call: (232) [user] read_symbolic(')', (0x56051b6b4f40), :, _66110)
^  Call: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), _86654)
   Call: (234) [system] peek_char((0x56051b6b4f40), _87588)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] is_delimiter(' ')
   Call: (235) [system] char_type(' ', space)
   Exit: (235) [system] char_type(' ', space)
^  Exit: (234) [user] is_delimiter(' ')
   Call: (234) [system] _86654=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (233) [user] classify_and_convert_charseq(:, [], _66110)
^  Call: (235) [system] setup_call_cleanup('$notrace'(_96898, _96900), once(user:catch(read_from_chars([:], _66110), _96874, fail)), '$restore_trace'(_96898, _96900))
^  Call: (236) [system] sig_atomic(system:'$notrace'(_96898, _96900))
^  Exit: (235) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _96874, fail)), system:'$restore_trace'(3, -1))
   Call: (234) [system] atomic(:)
   Exit: (234) [system] atomic(:)
^  Exit: (233) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (232) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _104398)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _106256)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _113066)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _115770)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _125162)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _128876)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _130734)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _139202)
   Exit: (233) [system] get_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _128876)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _144772)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (235) [system] 'D'=(;)
^  Call: (235) [user] is_like_space('D')
   Call: (236) [system] char_type('D', 'white')
   Call: (236) [system] char_type('D', end_of_line)
   Call: (236) [system] char_type('D', space)
   Call: (236) [system] char_type('D', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _153240)
   Exit: (234) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (234) [system] 'D'=')'
   Call: (234) [system] 'D'=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _156954)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _158812)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (236) [system] 'D'=(;)
^  Call: (236) [user] is_like_space('D')
   Call: (237) [system] char_type('D', 'white')
   Call: (237) [system] char_type('D', end_of_line)
   Call: (237) [system] char_type('D', space)
   Call: (237) [system] char_type('D', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _167280)
   Exit: (235) [system] get_char((0x56051b6b4f40), 'D')
   Call: (235) [system] 'D'='('
   Call: (235) [system] 'D'='['
   Call: (235) [system] 'D'='{'
   Call: (235) [system] 'D'='"'
   Call: (235) [system] 'D'=!
   Call: (235) [system] 'D'='\''
   Call: (235) [system] 'D'='`'
   Call: (235) [system] 'D'=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _156954)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _177498)
   Call: (237) [system] peek_char((0x56051b6b4f40), _178432)
   Exit: (237) [system] peek_char((0x56051b6b4f40), i)
^  Call: (237) [user] is_delimiter(i)
   Call: (238) [system] char_type(i, space)
   Call: (238) [system] arg(_182224, v('(', ')', end_of_file), i)
   Call: (237) [system] ')'==i
   Call: (237) [system] get_char((0x56051b6b4f40), i)
   Exit: (237) [system] get_char((0x56051b6b4f40), i)
   Call: (237) [system] i=(\)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _186794)
   Call: (238) [system] peek_char((0x56051b6b4f40), _187728)
   Exit: (238) [system] peek_char((0x56051b6b4f40), s)
^  Call: (238) [user] is_delimiter(s)
   Call: (239) [system] char_type(s, space)
   Call: (239) [system] arg(_191520, v('(', ')', end_of_file), s)
   Call: (238) [system] ')'==s
   Call: (238) [system] get_char((0x56051b6b4f40), s)
   Exit: (238) [system] get_char((0x56051b6b4f40), s)
   Call: (238) [system] s=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _196090)
   Call: (239) [system] peek_char((0x56051b6b4f40), _197024)
   Exit: (239) [system] peek_char((0x56051b6b4f40), j)
^  Call: (239) [user] is_delimiter(j)
   Call: (240) [system] char_type(j, space)
   Call: (240) [system] arg(_200816, v('(', ')', end_of_file), j)
   Call: (239) [system] ')'==j
   Call: (239) [system] get_char((0x56051b6b4f40), j)
   Exit: (239) [system] get_char((0x56051b6b4f40), j)
   Call: (239) [system] j=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _205386)
   Call: (240) [system] peek_char((0x56051b6b4f40), _206320)
   Exit: (240) [system] peek_char((0x56051b6b4f40), u)
^  Call: (240) [user] is_delimiter(u)
   Call: (241) [system] char_type(u, space)
   Call: (241) [system] arg(_210112, v('(', ')', end_of_file), u)
   Call: (240) [system] ')'==u
   Call: (240) [system] get_char((0x56051b6b4f40), u)
   Exit: (240) [system] get_char((0x56051b6b4f40), u)
   Call: (240) [system] u=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _214682)
   Call: (241) [system] peek_char((0x56051b6b4f40), _215616)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_219408, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _223978)
   Call: (242) [system] peek_char((0x56051b6b4f40), _224912)
   Exit: (242) [system] peek_char((0x56051b6b4f40), c)
^  Call: (242) [user] is_delimiter(c)
   Call: (243) [system] char_type(c, space)
   Call: (243) [system] arg(_228704, v('(', ')', end_of_file), c)
   Call: (242) [system] ')'==c
   Call: (242) [system] get_char((0x56051b6b4f40), c)
   Exit: (242) [system] get_char((0x56051b6b4f40), c)
   Call: (242) [system] c=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _233274)
   Call: (243) [system] peek_char((0x56051b6b4f40), _234208)
   Exit: (243) [system] peek_char((0x56051b6b4f40), t)
^  Call: (243) [user] is_delimiter(t)
   Call: (244) [system] char_type(t, space)
   Call: (244) [system] arg(_238000, v('(', ')', end_of_file), t)
   Call: (243) [system] ')'==t
   Call: (243) [system] get_char((0x56051b6b4f40), t)
   Exit: (243) [system] get_char((0x56051b6b4f40), t)
   Call: (243) [system] t=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _242570)
   Call: (244) [system] peek_char((0x56051b6b4f40), _243504)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_247296, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _251866)
   Call: (245) [system] peek_char((0x56051b6b4f40), _252800)
   Exit: (245) [system] peek_char((0x56051b6b4f40), o)
^  Call: (245) [user] is_delimiter(o)
   Call: (246) [system] char_type(o, space)
   Call: (246) [system] arg(_256592, v('(', ')', end_of_file), o)
   Call: (245) [system] ')'==o
   Call: (245) [system] get_char((0x56051b6b4f40), o)
   Exit: (245) [system] get_char((0x56051b6b4f40), o)
   Call: (245) [system] o=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _261162)
   Call: (246) [system] peek_char((0x56051b6b4f40), _262096)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_265888, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _270458)
   Call: (247) [system] peek_char((0x56051b6b4f40), _271392)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (247) [user] is_delimiter('I')
   Call: (248) [system] char_type('I', space)
   Call: (248) [system] arg(_275184, v('(', ')', end_of_file), 'I')
   Call: (247) [system] ')'=='I'
   Call: (247) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (247) [system] get_char((0x56051b6b4f40), 'I')
   Call: (247) [system] 'I'=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _279754)
   Call: (248) [system] peek_char((0x56051b6b4f40), _280688)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_284480, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _289050)
   Call: (249) [system] peek_char((0x56051b6b4f40), _289984)
   Exit: (249) [system] peek_char((0x56051b6b4f40), t)
^  Call: (249) [user] is_delimiter(t)
   Call: (250) [system] char_type(t, space)
   Call: (250) [system] arg(_293776, v('(', ')', end_of_file), t)
   Call: (249) [system] ')'==t
   Call: (249) [system] get_char((0x56051b6b4f40), t)
   Exit: (249) [system] get_char((0x56051b6b4f40), t)
   Call: (249) [system] t=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _298346)
   Call: (250) [system] peek_char((0x56051b6b4f40), _299280)
   Exit: (250) [system] peek_char((0x56051b6b4f40), r)
^  Call: (250) [user] is_delimiter(r)
   Call: (251) [system] char_type(r, space)
   Call: (251) [system] arg(_303072, v('(', ')', end_of_file), r)
   Call: (250) [system] ')'==r
   Call: (250) [system] get_char((0x56051b6b4f40), r)
   Exit: (250) [system] get_char((0x56051b6b4f40), r)
   Call: (250) [system] r=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _307642)
   Call: (251) [system] peek_char((0x56051b6b4f40), _308576)
   Exit: (251) [system] peek_char((0x56051b6b4f40), o)
^  Call: (251) [user] is_delimiter(o)
   Call: (252) [system] char_type(o, space)
   Call: (252) [system] arg(_312368, v('(', ')', end_of_file), o)
   Call: (251) [system] ')'==o
   Call: (251) [system] get_char((0x56051b6b4f40), o)
   Exit: (251) [system] get_char((0x56051b6b4f40), o)
   Call: (251) [system] o=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _316938)
   Call: (252) [system] peek_char((0x56051b6b4f40), _317872)
   Exit: (252) [system] peek_char((0x56051b6b4f40), d)
^  Call: (252) [user] is_delimiter(d)
   Call: (253) [system] char_type(d, space)
   Call: (253) [system] arg(_321664, v('(', ')', end_of_file), d)
   Call: (252) [system] ')'==d
   Call: (252) [system] get_char((0x56051b6b4f40), d)
   Exit: (252) [system] get_char((0x56051b6b4f40), d)
   Call: (252) [system] d=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _326234)
   Call: (253) [system] peek_char((0x56051b6b4f40), _327168)
   Exit: (253) [system] peek_char((0x56051b6b4f40), u)
^  Call: (253) [user] is_delimiter(u)
   Call: (254) [system] char_type(u, space)
   Call: (254) [system] arg(_330960, v('(', ')', end_of_file), u)
   Call: (253) [system] ')'==u
   Call: (253) [system] get_char((0x56051b6b4f40), u)
   Exit: (253) [system] get_char((0x56051b6b4f40), u)
   Call: (253) [system] u=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _335530)
   Call: (254) [system] peek_char((0x56051b6b4f40), _336464)
   Exit: (254) [system] peek_char((0x56051b6b4f40), c)
^  Call: (254) [user] is_delimiter(c)
   Call: (255) [system] char_type(c, space)
   Call: (255) [system] arg(_340256, v('(', ')', end_of_file), c)
   Call: (254) [system] ')'==c
   Call: (254) [system] get_char((0x56051b6b4f40), c)
   Exit: (254) [system] get_char((0x56051b6b4f40), c)
   Call: (254) [system] c=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _344826)
   Call: (255) [system] peek_char((0x56051b6b4f40), _345760)
   Exit: (255) [system] peek_char((0x56051b6b4f40), t)
^  Call: (255) [user] is_delimiter(t)
   Call: (256) [system] char_type(t, space)
   Call: (256) [system] arg(_349552, v('(', ')', end_of_file), t)
   Call: (255) [system] ')'==t
   Call: (255) [system] get_char((0x56051b6b4f40), t)
   Exit: (255) [system] get_char((0x56051b6b4f40), t)
   Call: (255) [system] t=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _354122)
   Call: (256) [system] peek_char((0x56051b6b4f40), _355056)
   Exit: (256) [system] peek_char((0x56051b6b4f40), i)
^  Call: (256) [user] is_delimiter(i)
   Call: (257) [system] char_type(i, space)
   Call: (257) [system] arg(_358848, v('(', ')', end_of_file), i)
   Call: (256) [system] ')'==i
   Call: (256) [system] get_char((0x56051b6b4f40), i)
   Exit: (256) [system] get_char((0x56051b6b4f40), i)
   Call: (256) [system] i=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _363418)
   Call: (257) [system] peek_char((0x56051b6b4f40), _364352)
   Exit: (257) [system] peek_char((0x56051b6b4f40), o)
^  Call: (257) [user] is_delimiter(o)
   Call: (258) [system] char_type(o, space)
   Call: (258) [system] arg(_368144, v('(', ')', end_of_file), o)
   Call: (257) [system] ')'==o
   Call: (257) [system] get_char((0x56051b6b4f40), o)
   Exit: (257) [system] get_char((0x56051b6b4f40), o)
   Call: (257) [system] o=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _372714)
   Call: (258) [system] peek_char((0x56051b6b4f40), _373648)
   Exit: (258) [system] peek_char((0x56051b6b4f40), n)
^  Call: (258) [user] is_delimiter(n)
   Call: (259) [system] char_type(n, space)
   Call: (259) [system] arg(_377440, v('(', ')', end_of_file), n)
   Call: (258) [system] ')'==n
   Call: (258) [system] get_char((0x56051b6b4f40), n)
   Exit: (258) [system] get_char((0x56051b6b4f40), n)
   Call: (258) [system] n=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _382010)
   Call: (259) [system] peek_char((0x56051b6b4f40), _382944)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (259) [user] is_delimiter(' ')
   Call: (260) [system] char_type(' ', space)
   Exit: (260) [system] char_type(' ', space)
^  Exit: (259) [user] is_delimiter(' ')
   Call: (259) [system] _382010=[]
   Exit: (259) [system] []=[]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (258) [system] _372714=[n]
   Exit: (258) [system] [n]=[n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (257) [system] _363418=[o, n]
   Exit: (257) [system] [o, n]=[o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (256) [system] _354122=[i, o, n]
   Exit: (256) [system] [i, o, n]=[i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (255) [system] _344826=[t, i, o, n]
   Exit: (255) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (254) [system] _335530=[c, t, i, o, n]
   Exit: (254) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (253) [system] _326234=[u, c, t, i, o, n]
   Exit: (253) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (252) [system] _316938=[d, u, c, t, i, o, n]
   Exit: (252) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (251) [system] _307642=[o, d, u, c, t, i, o, n]
   Exit: (251) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (250) [system] _298346=[r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _289050=[t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _279754=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _270458=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _261162=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _251866=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _242570=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _233274=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _223978=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _214682=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _205386=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _196090=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _186794=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (237) [system] _177498=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (237) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (236) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _156954)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_453722, _453724), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _156954), _453698, fail)), '$restore_trace'(_453722, _453724))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_453722, _453724))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _156954), _453698, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(_156954)
   Call: (237) [system] atom_chars(_156954, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (237) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (236) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _462174)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _464032)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _470842)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _473546)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
   Call: (237) [system] a=(;)
^  Call: (237) [user] is_like_space(a)
   Call: (238) [system] char_type(a, 'white')
   Call: (238) [system] char_type(a, end_of_line)
   Call: (238) [system] char_type(a, space)
   Call: (238) [system] char_type(a, cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _482938)
   Exit: (235) [system] peek_char((0x56051b6b4f40), a)
   Call: (235) [system] a=')'
   Call: (235) [system] a=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _486652)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _488510)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
   Call: (237) [system] a=(;)
^  Call: (237) [user] is_like_space(a)
   Call: (238) [system] char_type(a, 'white')
   Call: (238) [system] char_type(a, end_of_line)
   Call: (238) [system] char_type(a, space)
   Call: (238) [system] char_type(a, cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _496978)
   Exit: (236) [system] get_char((0x56051b6b4f40), a)
   Call: (236) [system] a='('
   Call: (236) [system] a='['
   Call: (236) [system] a='{'
   Call: (236) [system] a='"'
   Call: (236) [system] a=!
   Call: (236) [system] a='\''
   Call: (236) [system] a='`'
   Call: (236) [system] a=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), a, _486652)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _507196)
   Call: (238) [system] peek_char((0x56051b6b4f40), _508130)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _507196=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (237) [user] classify_and_convert_charseq(a, [], _486652)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_517440, _517442), once(user:catch(read_from_chars([a], _486652), _517416, fail)), '$restore_trace'(_517440, _517442))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_517440, _517442))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _517416, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(a)
   Exit: (238) [system] atomic(a)
^  Exit: (237) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _524940)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _526798)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _533608)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _536312)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
   Call: (238) [system] a=(;)
^  Call: (238) [user] is_like_space(a)
   Call: (239) [system] char_type(a, 'white')
   Call: (239) [system] char_type(a, end_of_line)
   Call: (239) [system] char_type(a, space)
   Call: (239) [system] char_type(a, cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _545704)
   Exit: (236) [system] peek_char((0x56051b6b4f40), a)
   Call: (236) [system] a=')'
   Call: (236) [system] a=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _549418)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _551276)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
   Call: (238) [system] a=(;)
^  Call: (238) [user] is_like_space(a)
   Call: (239) [system] char_type(a, 'white')
   Call: (239) [system] char_type(a, end_of_line)
   Call: (239) [system] char_type(a, space)
   Call: (239) [system] char_type(a, cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _559744)
   Exit: (237) [system] get_char((0x56051b6b4f40), a)
   Call: (237) [system] a='('
   Call: (237) [system] a='['
   Call: (237) [system] a='{'
   Call: (237) [system] a='"'
   Call: (237) [system] a=!
   Call: (237) [system] a='\''
   Call: (237) [system] a='`'
   Call: (237) [system] a=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), a, _549418)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _569962)
   Call: (239) [system] peek_char((0x56051b6b4f40), _570896)
   Exit: (239) [system] peek_char((0x56051b6b4f40), b)
^  Call: (239) [user] is_delimiter(b)
   Call: (240) [system] char_type(b, space)
   Call: (240) [system] arg(_574688, v('(', ')', end_of_file), b)
   Call: (239) [system] ')'==b
   Call: (239) [system] get_char((0x56051b6b4f40), b)
   Exit: (239) [system] get_char((0x56051b6b4f40), b)
   Call: (239) [system] b=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _579258)
   Call: (240) [system] peek_char((0x56051b6b4f40), _580192)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
^  Call: (240) [user] is_delimiter(c)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] arg(_583984, v('(', ')', end_of_file), c)
   Call: (240) [system] ')'==c
   Call: (240) [system] get_char((0x56051b6b4f40), c)
   Exit: (240) [system] get_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _588554)
   Call: (241) [system] peek_char((0x56051b6b4f40), _589488)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (241) [user] is_delimiter(')')
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] arg(_593280, v('(', ')', end_of_file), ')')
   Exit: (242) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (241) [user] is_delimiter(')')
   Call: (241) [system] _588554=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (240) [system] _579258=[c]
   Exit: (240) [system] [c]=[c]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (239) [system] _569962=[b, c]
   Exit: (239) [system] [b, c]=[b, c]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (238) [user] classify_and_convert_charseq(a, [b, c], _549418)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_605330, _605332), once(user:catch(read_from_chars([a, b, c], _549418), _605306, fail)), '$restore_trace'(_605330, _605332))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_605330, _605332))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _605306, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(abc)
   Exit: (239) [system] atomic(abc)
^  Exit: (238) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _612830)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _614688)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _623156)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x56051b6b4f40), _626946)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] _612830=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (236) [system] _524940=[abc]
   Exit: (236) [system] [abc]=[abc]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (235) [system] _462174=[a, abc]
   Exit: (235) [system] [a, abc]=[a, abc]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [a, abc])
   Call: (234) [system] _128876=['DisjunctionIntroduction', a, abc]
   Exit: (234) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _640828)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _642686)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _649496)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _652200)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _661592)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _665306)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _667164)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _675632)
   Exit: (234) [system] get_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _665306)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _681202)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (236) [system] 'O'=(;)
^  Call: (236) [user] is_like_space('O')
   Call: (237) [system] char_type('O', 'white')
   Call: (237) [system] char_type('O', end_of_line)
   Call: (237) [system] char_type('O', space)
   Call: (237) [system] char_type('O', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _689670)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (235) [system] 'O'=')'
   Call: (235) [system] 'O'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _693384)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _695242)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (237) [system] 'O'=(;)
^  Call: (237) [user] is_like_space('O')
   Call: (238) [system] char_type('O', 'white')
   Call: (238) [system] char_type('O', end_of_line)
   Call: (238) [system] char_type('O', space)
   Call: (238) [system] char_type('O', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _703710)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'O')
   Call: (236) [system] 'O'='('
   Call: (236) [system] 'O'='['
   Call: (236) [system] 'O'='{'
   Call: (236) [system] 'O'='"'
   Call: (236) [system] 'O'=!
   Call: (236) [system] 'O'='\''
   Call: (236) [system] 'O'='`'
   Call: (236) [system] 'O'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _693384)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _713928)
   Call: (238) [system] peek_char((0x56051b6b4f40), _714862)
   Exit: (238) [system] peek_char((0x56051b6b4f40), r)
^  Call: (238) [user] is_delimiter(r)
   Call: (239) [system] char_type(r, space)
   Call: (239) [system] arg(_718654, v('(', ')', end_of_file), r)
   Call: (238) [system] ')'==r
   Call: (238) [system] get_char((0x56051b6b4f40), r)
   Exit: (238) [system] get_char((0x56051b6b4f40), r)
   Call: (238) [system] r=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _723224)
   Call: (239) [system] peek_char((0x56051b6b4f40), _724158)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (239) [user] is_delimiter('L')
   Call: (240) [system] char_type('L', space)
   Call: (240) [system] arg(_727950, v('(', ')', end_of_file), 'L')
   Call: (239) [system] ')'=='L'
   Call: (239) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (239) [system] get_char((0x56051b6b4f40), 'L')
   Call: (239) [system] 'L'=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _732520)
   Call: (240) [system] peek_char((0x56051b6b4f40), _733454)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_737246, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _741816)
   Call: (241) [system] peek_char((0x56051b6b4f40), _742750)
   Exit: (241) [system] peek_char((0x56051b6b4f40), n)
^  Call: (241) [user] is_delimiter(n)
   Call: (242) [system] char_type(n, space)
   Call: (242) [system] arg(_746542, v('(', ')', end_of_file), n)
   Call: (241) [system] ')'==n
   Call: (241) [system] get_char((0x56051b6b4f40), n)
   Exit: (241) [system] get_char((0x56051b6b4f40), n)
   Call: (241) [system] n=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _751112)
   Call: (242) [system] peek_char((0x56051b6b4f40), _752046)
   Exit: (242) [system] peek_char((0x56051b6b4f40), k)
^  Call: (242) [user] is_delimiter(k)
   Call: (243) [system] char_type(k, space)
   Call: (243) [system] arg(_755838, v('(', ')', end_of_file), k)
   Call: (242) [system] ')'==k
   Call: (242) [system] get_char((0x56051b6b4f40), k)
   Exit: (242) [system] get_char((0x56051b6b4f40), k)
   Call: (242) [system] k=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _760408)
   Call: (243) [system] peek_char((0x56051b6b4f40), _761342)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _760408=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _751112=[k]
   Exit: (242) [system] [k]=[k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (241) [system] _741816=[n, k]
   Exit: (241) [system] [n, k]=[n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (240) [system] _732520=[i, n, k]
   Exit: (240) [system] [i, n, k]=[i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (239) [system] _723224=['L', i, n, k]
   Exit: (239) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (238) [system] _713928=[r, 'L', i, n, k]
   Exit: (238) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (237) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _693384)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_784622, _784624), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _693384), _784598, fail)), '$restore_trace'(_784622, _784624))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_784622, _784624))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _693384), _784598, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_693384)
   Call: (238) [system] atom_chars(_693384, ['O', r, 'L', i, n, k])
   Exit: (238) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (237) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _793074)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _794932)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _801742)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _804446)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=(;)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _813838)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (236) [system] 'B'=')'
   Call: (236) [system] 'B'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _817552)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _819410)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=(;)
^  Call: (238) [user] is_like_space('B')
   Call: (239) [system] char_type('B', 'white')
   Call: (239) [system] char_type('B', end_of_line)
   Call: (239) [system] char_type('B', space)
   Call: (239) [system] char_type('B', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _827878)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'B')
   Call: (237) [system] 'B'='('
   Call: (237) [system] 'B'='['
   Call: (237) [system] 'B'='{'
   Call: (237) [system] 'B'='"'
   Call: (237) [system] 'B'=!
   Call: (237) [system] 'B'='\''
   Call: (237) [system] 'B'='`'
   Call: (237) [system] 'B'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _817552)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _838096)
   Call: (239) [system] peek_char((0x56051b6b4f40), _839030)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _838096=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq('B', [], _817552)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_848340, _848342), once(user:catch(read_from_chars(['B'], _817552), _848316, fail)), '$restore_trace'(_848340, _848342))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_848340, _848342))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _817552), _848316, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_817552)
   Call: (239) [system] atom_chars(_817552, ['B'])
   Exit: (239) [system] atom_chars('B', ['B'])
^  Exit: (238) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _856792)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _858650)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _865460)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _868164)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _877556)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=')'
   Call: (237) [system] '('=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _881270)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _883128)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _891596)
   Exit: (238) [system] get_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('='('
   Exit: (238) [system] '('='('
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _881270)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _897166)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (240) [system] 'I'=(;)
^  Call: (240) [user] is_like_space('I')
   Call: (241) [system] char_type('I', 'white')
   Call: (241) [system] char_type('I', end_of_line)
   Call: (241) [system] char_type('I', space)
   Call: (241) [system] char_type('I', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _905634)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (239) [system] 'I'=')'
   Call: (239) [system] 'I'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _909348)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _911206)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (241) [system] 'I'=(;)
^  Call: (241) [user] is_like_space('I')
   Call: (242) [system] char_type('I', 'white')
   Call: (242) [system] char_type('I', end_of_line)
   Call: (242) [system] char_type('I', space)
   Call: (242) [system] char_type('I', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _919674)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'I')
   Call: (240) [system] 'I'='('
   Call: (240) [system] 'I'='['
   Call: (240) [system] 'I'='{'
   Call: (240) [system] 'I'='"'
   Call: (240) [system] 'I'=!
   Call: (240) [system] 'I'='\''
   Call: (240) [system] 'I'='`'
   Call: (240) [system] 'I'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _909348)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _929892)
   Call: (242) [system] peek_char((0x56051b6b4f40), _930826)
   Exit: (242) [system] peek_char((0x56051b6b4f40), m)
^  Call: (242) [user] is_delimiter(m)
   Call: (243) [system] char_type(m, space)
   Call: (243) [system] arg(_934618, v('(', ')', end_of_file), m)
   Call: (242) [system] ')'==m
   Call: (242) [system] get_char((0x56051b6b4f40), m)
   Exit: (242) [system] get_char((0x56051b6b4f40), m)
   Call: (242) [system] m=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _939188)
   Call: (243) [system] peek_char((0x56051b6b4f40), _940122)
   Exit: (243) [system] peek_char((0x56051b6b4f40), p)
^  Call: (243) [user] is_delimiter(p)
   Call: (244) [system] char_type(p, space)
   Call: (244) [system] arg(_943914, v('(', ')', end_of_file), p)
   Call: (243) [system] ')'==p
   Call: (243) [system] get_char((0x56051b6b4f40), p)
   Exit: (243) [system] get_char((0x56051b6b4f40), p)
   Call: (243) [system] p=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _948484)
   Call: (244) [system] peek_char((0x56051b6b4f40), _949418)
   Exit: (244) [system] peek_char((0x56051b6b4f40), l)
^  Call: (244) [user] is_delimiter(l)
   Call: (245) [system] char_type(l, space)
   Call: (245) [system] arg(_953210, v('(', ')', end_of_file), l)
   Call: (244) [system] ')'==l
   Call: (244) [system] get_char((0x56051b6b4f40), l)
   Exit: (244) [system] get_char((0x56051b6b4f40), l)
   Call: (244) [system] l=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _957780)
   Call: (245) [system] peek_char((0x56051b6b4f40), _958714)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_962506, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _967076)
   Call: (246) [system] peek_char((0x56051b6b4f40), _968010)
   Exit: (246) [system] peek_char((0x56051b6b4f40), c)
^  Call: (246) [user] is_delimiter(c)
   Call: (247) [system] char_type(c, space)
   Call: (247) [system] arg(_971802, v('(', ')', end_of_file), c)
   Call: (246) [system] ')'==c
   Call: (246) [system] get_char((0x56051b6b4f40), c)
   Exit: (246) [system] get_char((0x56051b6b4f40), c)
   Call: (246) [system] c=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _976372)
   Call: (247) [system] peek_char((0x56051b6b4f40), _977306)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
^  Call: (247) [user] is_delimiter(a)
   Call: (248) [system] char_type(a, space)
   Call: (248) [system] arg(_981098, v('(', ')', end_of_file), a)
   Call: (247) [system] ')'==a
   Call: (247) [system] get_char((0x56051b6b4f40), a)
   Exit: (247) [system] get_char((0x56051b6b4f40), a)
   Call: (247) [system] a=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _985668)
   Call: (248) [system] peek_char((0x56051b6b4f40), _986602)
   Exit: (248) [system] peek_char((0x56051b6b4f40), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_990394, v('(', ')', end_of_file), t)
   Call: (248) [system] ')'==t
   Call: (248) [system] get_char((0x56051b6b4f40), t)
   Exit: (248) [system] get_char((0x56051b6b4f40), t)
   Call: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _994964)
   Call: (249) [system] peek_char((0x56051b6b4f40), _995898)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_999690, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1004260)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1005194)
   Exit: (250) [system] peek_char((0x56051b6b4f40), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_1008986, v('(', ')', end_of_file), o)
   Call: (250) [system] ')'==o
   Call: (250) [system] get_char((0x56051b6b4f40), o)
   Exit: (250) [system] get_char((0x56051b6b4f40), o)
   Call: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1013556)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1014490)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_1018282, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1022852)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1023786)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _1022852=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (251) [system] _1013556=[n]
   Exit: (251) [system] [n]=[n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (250) [system] _1004260=[o, n]
   Exit: (250) [system] [o, n]=[o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (249) [system] _994964=[i, o, n]
   Exit: (249) [system] [i, o, n]=[i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (248) [system] _985668=[t, i, o, n]
   Exit: (248) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (247) [system] _976372=[a, t, i, o, n]
   Exit: (247) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (246) [system] _967076=[c, a, t, i, o, n]
   Exit: (246) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (245) [system] _957780=[i, c, a, t, i, o, n]
   Exit: (245) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (244) [system] _948484=[l, i, c, a, t, i, o, n]
   Exit: (244) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (243) [system] _939188=[p, l, i, c, a, t, i, o, n]
   Exit: (243) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (242) [system] _929892=[m, p, l, i, c, a, t, i, o, n]
   Exit: (242) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (241) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _909348)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_1061036, _1061038), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _909348), _1061012, fail)), '$restore_trace'(_1061036, _1061038))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_1061036, _1061038))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _909348), _1061012, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_909348)
   Call: (242) [system] atom_chars(_909348, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (242) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (241) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1069488)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1071346)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _1078156)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1080860)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1090252)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=')'
   Call: (240) [system] '('=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _1093966)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1095824)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _1104292)
   Exit: (241) [system] get_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('='('
   Exit: (241) [system] '('='('
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _1093966)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1109862)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (243) [system] 'A'=(;)
^  Call: (243) [user] is_like_space('A')
   Call: (244) [system] char_type('A', 'white')
   Call: (244) [system] char_type('A', end_of_line)
   Call: (244) [system] char_type('A', space)
   Call: (244) [system] char_type('A', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1118330)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (242) [system] 'A'=')'
   Call: (242) [system] 'A'=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _1122044)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1123902)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (244) [system] 'A'=(;)
^  Call: (244) [user] is_like_space('A')
   Call: (245) [system] char_type('A', 'white')
   Call: (245) [system] char_type('A', end_of_line)
   Call: (245) [system] char_type('A', space)
   Call: (245) [system] char_type('A', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _1132370)
   Exit: (243) [system] get_char((0x56051b6b4f40), 'A')
   Call: (243) [system] 'A'='('
   Call: (243) [system] 'A'='['
   Call: (243) [system] 'A'='{'
   Call: (243) [system] 'A'='"'
   Call: (243) [system] 'A'=!
   Call: (243) [system] 'A'='\''
   Call: (243) [system] 'A'='`'
   Call: (243) [system] 'A'=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1122044)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1142588)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1143522)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1147314, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1151884)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1152818)
   Exit: (246) [system] peek_char((0x56051b6b4f40), d)
^  Call: (246) [user] is_delimiter(d)
   Call: (247) [system] char_type(d, space)
   Call: (247) [system] arg(_1156610, v('(', ')', end_of_file), d)
   Call: (246) [system] ')'==d
   Call: (246) [system] get_char((0x56051b6b4f40), d)
   Exit: (246) [system] get_char((0x56051b6b4f40), d)
   Call: (246) [system] d=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1161180)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1162114)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (247) [user] is_delimiter('L')
   Call: (248) [system] char_type('L', space)
   Call: (248) [system] arg(_1165906, v('(', ')', end_of_file), 'L')
   Call: (247) [system] ')'=='L'
   Call: (247) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (247) [system] get_char((0x56051b6b4f40), 'L')
   Call: (247) [system] 'L'=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1170476)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1171410)
   Exit: (248) [system] peek_char((0x56051b6b4f40), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_1175202, v('(', ')', end_of_file), i)
   Call: (248) [system] ')'==i
   Call: (248) [system] get_char((0x56051b6b4f40), i)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1179772)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1180706)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_1184498, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1189068)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1190002)
   Exit: (250) [system] peek_char((0x56051b6b4f40), k)
^  Call: (250) [user] is_delimiter(k)
   Call: (251) [system] char_type(k, space)
   Call: (251) [system] arg(_1193794, v('(', ')', end_of_file), k)
   Call: (250) [system] ')'==k
   Call: (250) [system] get_char((0x56051b6b4f40), k)
   Exit: (250) [system] get_char((0x56051b6b4f40), k)
   Call: (250) [system] k=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1198364)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1199298)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _1198364=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (250) [system] _1189068=[k]
   Exit: (250) [system] [k]=[k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (249) [system] _1179772=[n, k]
   Exit: (249) [system] [n, k]=[n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (248) [system] _1170476=[i, n, k]
   Exit: (248) [system] [i, n, k]=[i, n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (247) [system] _1161180=['L', i, n, k]
   Exit: (247) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (246) [system] _1151884=[d, 'L', i, n, k]
   Exit: (246) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (245) [system] _1142588=[n, d, 'L', i, n, k]
   Exit: (245) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (244) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1122044)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_1225372, _1225374), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1122044), _1225348, fail)), '$restore_trace'(_1225372, _1225374))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_1225372, _1225374))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1122044), _1225348, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(_1122044)
   Call: (245) [system] atom_chars(_1122044, ['A', n, d, 'L', i, n, k])
   Exit: (245) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (244) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1233824)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1235682)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _1242492)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1245196)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (245) [system] 'A'=(;)
^  Call: (245) [user] is_like_space('A')
   Call: (246) [system] char_type('A', 'white')
   Call: (246) [system] char_type('A', end_of_line)
   Call: (246) [system] char_type('A', space)
   Call: (246) [system] char_type('A', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1254588)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (243) [system] 'A'=')'
   Call: (243) [system] 'A'=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _1258302)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1260160)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (245) [system] 'A'=(;)
^  Call: (245) [user] is_like_space('A')
   Call: (246) [system] char_type('A', 'white')
   Call: (246) [system] char_type('A', end_of_line)
   Call: (246) [system] char_type('A', space)
   Call: (246) [system] char_type('A', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _1268628)
   Exit: (244) [system] get_char((0x56051b6b4f40), 'A')
   Call: (244) [system] 'A'='('
   Call: (244) [system] 'A'='['
   Call: (244) [system] 'A'='{'
   Call: (244) [system] 'A'='"'
   Call: (244) [system] 'A'=!
   Call: (244) [system] 'A'='\''
   Call: (244) [system] 'A'='`'
   Call: (244) [system] 'A'=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1258302)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1278846)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1279780)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1278846=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (245) [user] classify_and_convert_charseq('A', [], _1258302)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_1289090, _1289092), once(user:catch(read_from_chars(['A'], _1258302), _1289066, fail)), '$restore_trace'(_1289090, _1289092))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_1289090, _1289092))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1258302), _1289066, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(_1258302)
   Call: (246) [system] atom_chars(_1258302, ['A'])
   Exit: (246) [system] atom_chars('A', ['A'])
^  Exit: (245) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1297542)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1299400)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _1306210)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1308914)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (246) [system] 'B'=(;)
^  Call: (246) [user] is_like_space('B')
   Call: (247) [system] char_type('B', 'white')
   Call: (247) [system] char_type('B', end_of_line)
   Call: (247) [system] char_type('B', space)
   Call: (247) [system] char_type('B', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1318306)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (244) [system] 'B'=')'
   Call: (244) [system] 'B'=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _1322020)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1323878)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (246) [system] 'B'=(;)
^  Call: (246) [user] is_like_space('B')
   Call: (247) [system] char_type('B', 'white')
   Call: (247) [system] char_type('B', end_of_line)
   Call: (247) [system] char_type('B', space)
   Call: (247) [system] char_type('B', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _1332346)
   Exit: (245) [system] get_char((0x56051b6b4f40), 'B')
   Call: (245) [system] 'B'='('
   Call: (245) [system] 'B'='['
   Call: (245) [system] 'B'='{'
   Call: (245) [system] 'B'='"'
   Call: (245) [system] 'B'=!
   Call: (245) [system] 'B'='\''
   Call: (245) [system] 'B'='`'
   Call: (245) [system] 'B'=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1322020)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1342564)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1343498)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (247) [user] is_delimiter(')')
   Call: (248) [system] char_type(')', space)
   Call: (248) [system] arg(_1347290, v('(', ')', end_of_file), ')')
   Exit: (248) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (247) [user] is_delimiter(')')
   Call: (247) [system] _1342564=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (246) [user] classify_and_convert_charseq('B', [], _1322020)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_1353752, _1353754), once(user:catch(read_from_chars(['B'], _1322020), _1353728, fail)), '$restore_trace'(_1353752, _1353754))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_1353752, _1353754))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1322020), _1353728, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(_1322020)
   Call: (247) [system] atom_chars(_1322020, ['B'])
   Exit: (247) [system] atom_chars('B', ['B'])
^  Exit: (246) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _1362204)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1364062)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=(;)
^  Call: (246) [user] is_like_space(')')
   Call: (247) [system] char_type(')', 'white')
   Call: (247) [system] char_type(')', end_of_line)
   Call: (247) [system] char_type(')', space)
   Call: (247) [system] char_type(')', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1372530)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=')'
   Exit: (245) [system] ')'=')'
   Call: (245) [system] get_char((0x56051b6b4f40), _1376320)
   Exit: (245) [system] get_char((0x56051b6b4f40), ')')
   Call: (245) [system] _1362204=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (244) [system] _1297542=['B']
   Exit: (244) [system] ['B']=['B']
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (243) [system] _1233824=['A', 'B']
   Exit: (243) [system] ['A', 'B']=['A', 'B']
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (242) [system] _1093966=['AndLink', 'A', 'B']
   Exit: (242) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _1390202)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1392060)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _1398870)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1401574)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (243) [system] 'C'=(;)
^  Call: (243) [user] is_like_space('C')
   Call: (244) [system] char_type('C', 'white')
   Call: (244) [system] char_type('C', end_of_line)
   Call: (244) [system] char_type('C', space)
   Call: (244) [system] char_type('C', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1410966)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (241) [system] 'C'=')'
   Call: (241) [system] 'C'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _1414680)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1416538)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (243) [system] 'C'=(;)
^  Call: (243) [user] is_like_space('C')
   Call: (244) [system] char_type('C', 'white')
   Call: (244) [system] char_type('C', end_of_line)
   Call: (244) [system] char_type('C', space)
   Call: (244) [system] char_type('C', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _1425006)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'C')
   Call: (242) [system] 'C'='('
   Call: (242) [system] 'C'='['
   Call: (242) [system] 'C'='{'
   Call: (242) [system] 'C'='"'
   Call: (242) [system] 'C'=!
   Call: (242) [system] 'C'='\''
   Call: (242) [system] 'C'='`'
   Call: (242) [system] 'C'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1414680)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1435224)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1436158)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (244) [user] is_delimiter(')')
   Call: (245) [system] char_type(')', space)
   Call: (245) [system] arg(_1439950, v('(', ')', end_of_file), ')')
   Exit: (245) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (244) [user] is_delimiter(')')
   Call: (244) [system] _1435224=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (243) [user] classify_and_convert_charseq('C', [], _1414680)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_1446412, _1446414), once(user:catch(read_from_chars(['C'], _1414680), _1446388, fail)), '$restore_trace'(_1446412, _1446414))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_1446412, _1446414))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1414680), _1446388, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_1414680)
   Call: (244) [system] atom_chars(_1414680, ['C'])
   Exit: (244) [system] atom_chars('C', ['C'])
^  Exit: (243) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _1454864)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1456722)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=(;)
^  Call: (243) [user] is_like_space(')')
   Call: (244) [system] char_type(')', 'white')
   Call: (244) [system] char_type(')', end_of_line)
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] char_type(')', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1465190)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=')'
   Exit: (242) [system] ')'=')'
   Call: (242) [system] get_char((0x56051b6b4f40), _1468980)
   Exit: (242) [system] get_char((0x56051b6b4f40), ')')
   Call: (242) [system] _1454864=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (241) [system] _1390202=['C']
   Exit: (241) [system] ['C']=['C']
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (240) [system] _1069488=[['AndLink', 'A', 'B'], 'C']
   Exit: (240) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (239) [system] _881270=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (239) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1482862)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1484720)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1493188)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x56051b6b4f40), _1496978)
   Exit: (238) [system] get_char((0x56051b6b4f40), ')')
   Call: (238) [system] _1482862=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (237) [system] _856792=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (237) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (236) [system] _793074=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (236) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (235) [system] _665306=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (235) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1510860)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1512718)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=(;)
^  Call: (235) [user] is_like_space(')')
   Call: (236) [system] char_type(')', 'white')
   Call: (236) [system] char_type(')', end_of_line)
   Call: (236) [system] char_type(')', space)
   Call: (236) [system] char_type(')', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1521186)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ')')
   Call: (234) [system] ')'=')'
   Exit: (234) [system] ')'=')'
   Call: (234) [system] get_char((0x56051b6b4f40), _1524976)
   Exit: (234) [system] get_char((0x56051b6b4f40), ')')
   Call: (234) [system] _1510860=[]
   Exit: (234) [system] []=[]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (233) [system] _640828=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (233) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (232) [system] _104398=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (232) [system] [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (231) [system] _38032=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (231) [system] [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (230) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (229) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, abc], ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (229) [user] read_list(')', (0x56051b6b4f40), _1538858)
^  Call: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _1540716)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (231) [system] '\n'=(;)
^  Call: (231) [user] is_like_space('\n')
   Call: (232) [system] char_type('\n', 'white')
   Call: (232) [system] char_type('\n', end_of_line)
   Exit: (232) [system] char_type('\n', end_of_line)
^  Exit: (231) [user] is_like_space('\n')
   Call: (231) [system] get_char((0x56051b6b4f40), _1548332)
   Exit: (231) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1551036)
   Exit: (232) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (232) [system] ' '=(;)
^  Call: (232) [user] is_like_space(' ')
   Call: (233) [system] char_type(' ', 'white')
   Exit: (233) [system] char_type(' ', 'white')
^  Exit: (232) [user] is_like_space(' ')
   Call: (232) [system] get_char((0x56051b6b4f40), _1557846)
   Exit: (232) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1560550)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (230) [user] skip_spaces((0x56051b6b4f40))
   Call: (230) [system] peek_char((0x56051b6b4f40), _1570866)
   Exit: (230) [system] peek_char((0x56051b6b4f40), '(')
   Call: (230) [system] '('=')'
   Call: (230) [system] '('=end_of_file
^  Call: (230) [user] cont_sexpr(')', (0x56051b6b4f40), _1574580)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1576438)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=(;)
^  Call: (232) [user] is_like_space('(')
   Call: (233) [system] char_type('(', 'white')
   Call: (233) [system] char_type('(', end_of_line)
   Call: (233) [system] char_type('(', space)
   Call: (233) [system] char_type('(', cntrl)
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] get_char((0x56051b6b4f40), _1584906)
   Exit: (231) [system] get_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('='('
   Exit: (231) [system] '('='('
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1574580)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1590476)
   Exit: (233) [system] peek_char((0x56051b6b4f40), :)
   Call: (233) [system] (:)=(;)
^  Call: (233) [user] is_like_space(:)
   Call: (234) [system] char_type(:, 'white')
   Call: (234) [system] char_type(:, end_of_line)
   Call: (234) [system] char_type(:, space)
   Call: (234) [system] char_type(:, cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1598944)
   Exit: (232) [system] peek_char((0x56051b6b4f40), :)
   Call: (232) [system] (:)=')'
   Call: (232) [system] (:)=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1602658)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1604516)
   Exit: (234) [system] peek_char((0x56051b6b4f40), :)
   Call: (234) [system] (:)=(;)
^  Call: (234) [user] is_like_space(:)
   Call: (235) [system] char_type(:, 'white')
   Call: (235) [system] char_type(:, end_of_line)
   Call: (235) [system] char_type(:, space)
   Call: (235) [system] char_type(:, cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1612984)
   Exit: (233) [system] get_char((0x56051b6b4f40), :)
   Call: (233) [system] (:)='('
   Call: (233) [system] (:)='['
   Call: (233) [system] (:)='{'
   Call: (233) [system] (:)='"'
   Call: (233) [system] (:)=!
   Call: (233) [system] (:)='\''
   Call: (233) [system] (:)='`'
   Call: (233) [system] (:)=end_of_file
^  Call: (233) [user] read_symbolic(')', (0x56051b6b4f40), :, _1602658)
^  Call: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1623202)
   Call: (235) [system] peek_char((0x56051b6b4f40), _1624136)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] is_delimiter(' ')
   Call: (236) [system] char_type(' ', space)
   Exit: (236) [system] char_type(' ', space)
^  Exit: (235) [user] is_delimiter(' ')
   Call: (235) [system] _1623202=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (234) [user] classify_and_convert_charseq(:, [], _1602658)
^  Call: (236) [system] setup_call_cleanup('$notrace'(_1633446, _1633448), once(user:catch(read_from_chars([:], _1602658), _1633422, fail)), '$restore_trace'(_1633446, _1633448))
^  Call: (237) [system] sig_atomic(system:'$notrace'(_1633446, _1633448))
^  Exit: (236) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1633422, fail)), system:'$restore_trace'(3, -1))
   Call: (235) [system] atomic(:)
   Exit: (235) [system] atomic(:)
^  Exit: (234) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (233) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _1640946)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1642804)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1649614)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1652318)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1661710)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _1665424)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1667282)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _1675750)
   Exit: (234) [system] get_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1665424)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1681320)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (236) [system] 'D'=(;)
^  Call: (236) [user] is_like_space('D')
   Call: (237) [system] char_type('D', 'white')
   Call: (237) [system] char_type('D', end_of_line)
   Call: (237) [system] char_type('D', space)
   Call: (237) [system] char_type('D', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1689788)
   Exit: (235) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (235) [system] 'D'=')'
   Call: (235) [system] 'D'=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1693502)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1695360)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (237) [system] 'D'=(;)
^  Call: (237) [user] is_like_space('D')
   Call: (238) [system] char_type('D', 'white')
   Call: (238) [system] char_type('D', end_of_line)
   Call: (238) [system] char_type('D', space)
   Call: (238) [system] char_type('D', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1703828)
   Exit: (236) [system] get_char((0x56051b6b4f40), 'D')
   Call: (236) [system] 'D'='('
   Call: (236) [system] 'D'='['
   Call: (236) [system] 'D'='{'
   Call: (236) [system] 'D'='"'
   Call: (236) [system] 'D'=!
   Call: (236) [system] 'D'='\''
   Call: (236) [system] 'D'='`'
   Call: (236) [system] 'D'=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1693502)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1714046)
   Call: (238) [system] peek_char((0x56051b6b4f40), _1714980)
   Exit: (238) [system] peek_char((0x56051b6b4f40), i)
^  Call: (238) [user] is_delimiter(i)
   Call: (239) [system] char_type(i, space)
   Call: (239) [system] arg(_1718772, v('(', ')', end_of_file), i)
   Call: (238) [system] ')'==i
   Call: (238) [system] get_char((0x56051b6b4f40), i)
   Exit: (238) [system] get_char((0x56051b6b4f40), i)
   Call: (238) [system] i=(\)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1723342)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1724276)
   Exit: (239) [system] peek_char((0x56051b6b4f40), s)
^  Call: (239) [user] is_delimiter(s)
   Call: (240) [system] char_type(s, space)
   Call: (240) [system] arg(_1728068, v('(', ')', end_of_file), s)
   Call: (239) [system] ')'==s
   Call: (239) [system] get_char((0x56051b6b4f40), s)
   Exit: (239) [system] get_char((0x56051b6b4f40), s)
   Call: (239) [system] s=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1732638)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1733572)
   Exit: (240) [system] peek_char((0x56051b6b4f40), j)
^  Call: (240) [user] is_delimiter(j)
   Call: (241) [system] char_type(j, space)
   Call: (241) [system] arg(_1737364, v('(', ')', end_of_file), j)
   Call: (240) [system] ')'==j
   Call: (240) [system] get_char((0x56051b6b4f40), j)
   Exit: (240) [system] get_char((0x56051b6b4f40), j)
   Call: (240) [system] j=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1741934)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1742868)
   Exit: (241) [system] peek_char((0x56051b6b4f40), u)
^  Call: (241) [user] is_delimiter(u)
   Call: (242) [system] char_type(u, space)
   Call: (242) [system] arg(_1746660, v('(', ')', end_of_file), u)
   Call: (241) [system] ')'==u
   Call: (241) [system] get_char((0x56051b6b4f40), u)
   Exit: (241) [system] get_char((0x56051b6b4f40), u)
   Call: (241) [system] u=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1751230)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1752164)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_1755956, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1760526)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1761460)
   Exit: (243) [system] peek_char((0x56051b6b4f40), c)
^  Call: (243) [user] is_delimiter(c)
   Call: (244) [system] char_type(c, space)
   Call: (244) [system] arg(_1765252, v('(', ')', end_of_file), c)
   Call: (243) [system] ')'==c
   Call: (243) [system] get_char((0x56051b6b4f40), c)
   Exit: (243) [system] get_char((0x56051b6b4f40), c)
   Call: (243) [system] c=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1769822)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1770756)
   Exit: (244) [system] peek_char((0x56051b6b4f40), t)
^  Call: (244) [user] is_delimiter(t)
   Call: (245) [system] char_type(t, space)
   Call: (245) [system] arg(_1774548, v('(', ')', end_of_file), t)
   Call: (244) [system] ')'==t
   Call: (244) [system] get_char((0x56051b6b4f40), t)
   Exit: (244) [system] get_char((0x56051b6b4f40), t)
   Call: (244) [system] t=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1779118)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1780052)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_1783844, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1788414)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1789348)
   Exit: (246) [system] peek_char((0x56051b6b4f40), o)
^  Call: (246) [user] is_delimiter(o)
   Call: (247) [system] char_type(o, space)
   Call: (247) [system] arg(_1793140, v('(', ')', end_of_file), o)
   Call: (246) [system] ')'==o
   Call: (246) [system] get_char((0x56051b6b4f40), o)
   Exit: (246) [system] get_char((0x56051b6b4f40), o)
   Call: (246) [system] o=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1797710)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1798644)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_1802436, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1807006)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1807940)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (248) [user] is_delimiter('I')
   Call: (249) [system] char_type('I', space)
   Call: (249) [system] arg(_1811732, v('(', ')', end_of_file), 'I')
   Call: (248) [system] ')'=='I'
   Call: (248) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (248) [system] get_char((0x56051b6b4f40), 'I')
   Call: (248) [system] 'I'=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1816302)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1817236)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_1821028, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1825598)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1826532)
   Exit: (250) [system] peek_char((0x56051b6b4f40), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_1830324, v('(', ')', end_of_file), t)
   Call: (250) [system] ')'==t
   Call: (250) [system] get_char((0x56051b6b4f40), t)
   Exit: (250) [system] get_char((0x56051b6b4f40), t)
   Call: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1834894)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1835828)
   Exit: (251) [system] peek_char((0x56051b6b4f40), r)
^  Call: (251) [user] is_delimiter(r)
   Call: (252) [system] char_type(r, space)
   Call: (252) [system] arg(_1839620, v('(', ')', end_of_file), r)
   Call: (251) [system] ')'==r
   Call: (251) [system] get_char((0x56051b6b4f40), r)
   Exit: (251) [system] get_char((0x56051b6b4f40), r)
   Call: (251) [system] r=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1844190)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1845124)
   Exit: (252) [system] peek_char((0x56051b6b4f40), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_1848916, v('(', ')', end_of_file), o)
   Call: (252) [system] ')'==o
   Call: (252) [system] get_char((0x56051b6b4f40), o)
   Exit: (252) [system] get_char((0x56051b6b4f40), o)
   Call: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1853486)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1854420)
   Exit: (253) [system] peek_char((0x56051b6b4f40), d)
^  Call: (253) [user] is_delimiter(d)
   Call: (254) [system] char_type(d, space)
   Call: (254) [system] arg(_1858212, v('(', ')', end_of_file), d)
   Call: (253) [system] ')'==d
   Call: (253) [system] get_char((0x56051b6b4f40), d)
   Exit: (253) [system] get_char((0x56051b6b4f40), d)
   Call: (253) [system] d=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1862782)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1863716)
   Exit: (254) [system] peek_char((0x56051b6b4f40), u)
^  Call: (254) [user] is_delimiter(u)
   Call: (255) [system] char_type(u, space)
   Call: (255) [system] arg(_1867508, v('(', ')', end_of_file), u)
   Call: (254) [system] ')'==u
   Call: (254) [system] get_char((0x56051b6b4f40), u)
   Exit: (254) [system] get_char((0x56051b6b4f40), u)
   Call: (254) [system] u=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1872078)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1873012)
   Exit: (255) [system] peek_char((0x56051b6b4f40), c)
^  Call: (255) [user] is_delimiter(c)
   Call: (256) [system] char_type(c, space)
   Call: (256) [system] arg(_1876804, v('(', ')', end_of_file), c)
   Call: (255) [system] ')'==c
   Call: (255) [system] get_char((0x56051b6b4f40), c)
   Exit: (255) [system] get_char((0x56051b6b4f40), c)
   Call: (255) [system] c=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1881374)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1882308)
   Exit: (256) [system] peek_char((0x56051b6b4f40), t)
^  Call: (256) [user] is_delimiter(t)
   Call: (257) [system] char_type(t, space)
   Call: (257) [system] arg(_1886100, v('(', ')', end_of_file), t)
   Call: (256) [system] ')'==t
   Call: (256) [system] get_char((0x56051b6b4f40), t)
   Exit: (256) [system] get_char((0x56051b6b4f40), t)
   Call: (256) [system] t=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1890670)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1891604)
   Exit: (257) [system] peek_char((0x56051b6b4f40), i)
^  Call: (257) [user] is_delimiter(i)
   Call: (258) [system] char_type(i, space)
   Call: (258) [system] arg(_1895396, v('(', ')', end_of_file), i)
   Call: (257) [system] ')'==i
   Call: (257) [system] get_char((0x56051b6b4f40), i)
   Exit: (257) [system] get_char((0x56051b6b4f40), i)
   Call: (257) [system] i=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1899966)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1900900)
   Exit: (258) [system] peek_char((0x56051b6b4f40), o)
^  Call: (258) [user] is_delimiter(o)
   Call: (259) [system] char_type(o, space)
   Call: (259) [system] arg(_1904692, v('(', ')', end_of_file), o)
   Call: (258) [system] ')'==o
   Call: (258) [system] get_char((0x56051b6b4f40), o)
   Exit: (258) [system] get_char((0x56051b6b4f40), o)
   Call: (258) [system] o=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1909262)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1910196)
   Exit: (259) [system] peek_char((0x56051b6b4f40), n)
^  Call: (259) [user] is_delimiter(n)
   Call: (260) [system] char_type(n, space)
   Call: (260) [system] arg(_1913988, v('(', ')', end_of_file), n)
   Call: (259) [system] ')'==n
   Call: (259) [system] get_char((0x56051b6b4f40), n)
   Exit: (259) [system] get_char((0x56051b6b4f40), n)
   Call: (259) [system] n=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1918558)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1919492)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (260) [user] is_delimiter(' ')
   Call: (261) [system] char_type(' ', space)
   Exit: (261) [system] char_type(' ', space)
^  Exit: (260) [user] is_delimiter(' ')
   Call: (260) [system] _1918558=[]
   Exit: (260) [system] []=[]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (259) [system] _1909262=[n]
   Exit: (259) [system] [n]=[n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (258) [system] _1899966=[o, n]
   Exit: (258) [system] [o, n]=[o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (257) [system] _1890670=[i, o, n]
   Exit: (257) [system] [i, o, n]=[i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (256) [system] _1881374=[t, i, o, n]
   Exit: (256) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (255) [system] _1872078=[c, t, i, o, n]
   Exit: (255) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (254) [system] _1862782=[u, c, t, i, o, n]
   Exit: (254) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (253) [system] _1853486=[d, u, c, t, i, o, n]
   Exit: (253) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (252) [system] _1844190=[o, d, u, c, t, i, o, n]
   Exit: (252) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (251) [system] _1834894=[r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _1825598=[t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _1816302=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _1807006=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _1797710=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _1788414=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1779118=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1769822=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1760526=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1751230=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _1741934=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _1732638=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _1723342=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (238) [system] _1714046=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (238) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (237) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1693502)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_1990270, _1990272), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1693502), _1990246, fail)), '$restore_trace'(_1990270, _1990272))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_1990270, _1990272))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1693502), _1990246, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(_1693502)
   Call: (238) [system] atom_chars(_1693502, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (238) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (237) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1998722)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _2000580)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _2007390)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _2010094)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
   Call: (238) [system] a=(;)
^  Call: (238) [user] is_like_space(a)
   Call: (239) [system] char_type(a, 'white')
   Call: (239) [system] char_type(a, end_of_line)
   Call: (239) [system] char_type(a, space)
   Call: (239) [system] char_type(a, cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _2019486)
   Exit: (236) [system] peek_char((0x56051b6b4f40), a)
   Call: (236) [system] a=')'
   Call: (236) [system] a=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _2023200)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _2025058)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
   Call: (238) [system] a=(;)
^  Call: (238) [user] is_like_space(a)
   Call: (239) [system] char_type(a, 'white')
   Call: (239) [system] char_type(a, end_of_line)
   Call: (239) [system] char_type(a, space)
   Call: (239) [system] char_type(a, cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _2033526)
   Exit: (237) [system] get_char((0x56051b6b4f40), a)
   Call: (237) [system] a='('
   Call: (237) [system] a='['
   Call: (237) [system] a='{'
   Call: (237) [system] a='"'
   Call: (237) [system] a=!
   Call: (237) [system] a='\''
   Call: (237) [system] a='`'
   Call: (237) [system] a=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), a, _2023200)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2043744)
   Call: (239) [system] peek_char((0x56051b6b4f40), _2044678)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _2043744=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq(a, [], _2023200)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_2053988, _2053990), once(user:catch(read_from_chars([a], _2023200), _2053964, fail)), '$restore_trace'(_2053988, _2053990))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_2053988, _2053990))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2053964, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(a)
   Exit: (239) [system] atomic(a)
^  Exit: (238) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _2061488)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _2063346)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _2070156)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2072860)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(;)
^  Call: (239) [user] is_like_space(a)
   Call: (240) [system] char_type(a, 'white')
   Call: (240) [system] char_type(a, end_of_line)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] char_type(a, cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _2082252)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
   Call: (237) [system] a=')'
   Call: (237) [system] a=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _2085966)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2087824)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(;)
^  Call: (239) [user] is_like_space(a)
   Call: (240) [system] char_type(a, 'white')
   Call: (240) [system] char_type(a, end_of_line)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] char_type(a, cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _9594)
   Exit: (238) [system] get_char((0x56051b6b4f40), a)
   Call: (238) [system] a='('
   Call: (238) [system] a='['
   Call: (238) [system] a='{'
   Call: (238) [system] a='"'
   Call: (238) [system] a=!
   Call: (238) [system] a='\''
   Call: (238) [system] a='`'
   Call: (238) [system] a=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), a, _9590)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _19312)
   Call: (240) [system] peek_char((0x56051b6b4f40), _20246)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (240) [user] is_delimiter(')')
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] arg(_24038, v('(', ')', end_of_file), ')')
   Exit: (241) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (240) [user] is_delimiter(')')
   Call: (240) [system] _19312=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq(a, [], _9590)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_30500, _30502), once(user:catch(read_from_chars([a], _9590), _30476, fail)), '$restore_trace'(_30500, _30502))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_30500, _30502))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _30476, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(a)
   Exit: (240) [system] atomic(a)
^  Exit: (239) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _38000)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _39858)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _48326)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x56051b6b4f40), _52116)
   Exit: (238) [system] get_char((0x56051b6b4f40), ')')
   Call: (238) [system] _38000=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (237) [system] _9586=[a]
   Exit: (237) [system] [a]=[a]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (236) [system] _9580=[a, a]
   Exit: (236) [system] [a, a]=[a, a]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (235) [system] _9572=['DisjunctionIntroduction', a, a]
   Exit: (235) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _65998)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _67856)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _74666)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _77370)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _86762)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=')'
   Call: (234) [system] '('=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _90476)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _92334)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _100802)
   Exit: (235) [system] get_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('='('
   Exit: (235) [system] '('='('
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _90476)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _106372)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (237) [system] 'O'=(;)
^  Call: (237) [user] is_like_space('O')
   Call: (238) [system] char_type('O', 'white')
   Call: (238) [system] char_type('O', end_of_line)
   Call: (238) [system] char_type('O', space)
   Call: (238) [system] char_type('O', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _114840)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (236) [system] 'O'=')'
   Call: (236) [system] 'O'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _118554)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _120412)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (238) [system] 'O'=(;)
^  Call: (238) [user] is_like_space('O')
   Call: (239) [system] char_type('O', 'white')
   Call: (239) [system] char_type('O', end_of_line)
   Call: (239) [system] char_type('O', space)
   Call: (239) [system] char_type('O', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _128880)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'O')
   Call: (237) [system] 'O'='('
   Call: (237) [system] 'O'='['
   Call: (237) [system] 'O'='{'
   Call: (237) [system] 'O'='"'
   Call: (237) [system] 'O'=!
   Call: (237) [system] 'O'='\''
   Call: (237) [system] 'O'='`'
   Call: (237) [system] 'O'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _118554)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _139098)
   Call: (239) [system] peek_char((0x56051b6b4f40), _140032)
   Exit: (239) [system] peek_char((0x56051b6b4f40), r)
^  Call: (239) [user] is_delimiter(r)
   Call: (240) [system] char_type(r, space)
   Call: (240) [system] arg(_143824, v('(', ')', end_of_file), r)
   Call: (239) [system] ')'==r
   Call: (239) [system] get_char((0x56051b6b4f40), r)
   Exit: (239) [system] get_char((0x56051b6b4f40), r)
   Call: (239) [system] r=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _148394)
   Call: (240) [system] peek_char((0x56051b6b4f40), _149328)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (240) [user] is_delimiter('L')
   Call: (241) [system] char_type('L', space)
   Call: (241) [system] arg(_153120, v('(', ')', end_of_file), 'L')
   Call: (240) [system] ')'=='L'
   Call: (240) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (240) [system] get_char((0x56051b6b4f40), 'L')
   Call: (240) [system] 'L'=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _157690)
   Call: (241) [system] peek_char((0x56051b6b4f40), _158624)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_162416, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _166986)
   Call: (242) [system] peek_char((0x56051b6b4f40), _167920)
   Exit: (242) [system] peek_char((0x56051b6b4f40), n)
^  Call: (242) [user] is_delimiter(n)
   Call: (243) [system] char_type(n, space)
   Call: (243) [system] arg(_171712, v('(', ')', end_of_file), n)
   Call: (242) [system] ')'==n
   Call: (242) [system] get_char((0x56051b6b4f40), n)
   Exit: (242) [system] get_char((0x56051b6b4f40), n)
   Call: (242) [system] n=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _176282)
   Call: (243) [system] peek_char((0x56051b6b4f40), _177216)
   Exit: (243) [system] peek_char((0x56051b6b4f40), k)
^  Call: (243) [user] is_delimiter(k)
   Call: (244) [system] char_type(k, space)
   Call: (244) [system] arg(_181008, v('(', ')', end_of_file), k)
   Call: (243) [system] ')'==k
   Call: (243) [system] get_char((0x56051b6b4f40), k)
   Exit: (243) [system] get_char((0x56051b6b4f40), k)
   Call: (243) [system] k=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _185578)
   Call: (244) [system] peek_char((0x56051b6b4f40), _186512)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _185578=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (243) [system] _176282=[k]
   Exit: (243) [system] [k]=[k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (242) [system] _166986=[n, k]
   Exit: (242) [system] [n, k]=[n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (241) [system] _157690=[i, n, k]
   Exit: (241) [system] [i, n, k]=[i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (240) [system] _148394=['L', i, n, k]
   Exit: (240) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (239) [system] _139098=[r, 'L', i, n, k]
   Exit: (239) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (238) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _118554)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_209792, _209794), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _118554), _209768, fail)), '$restore_trace'(_209792, _209794))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_209792, _209794))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _118554), _209768, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_118554)
   Call: (239) [system] atom_chars(_118554, ['O', r, 'L', i, n, k])
   Exit: (239) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (238) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _218244)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _220102)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _226912)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _229616)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (239) [system] 'B'=(;)
^  Call: (239) [user] is_like_space('B')
   Call: (240) [system] char_type('B', 'white')
   Call: (240) [system] char_type('B', end_of_line)
   Call: (240) [system] char_type('B', space)
   Call: (240) [system] char_type('B', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _239008)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (237) [system] 'B'=')'
   Call: (237) [system] 'B'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _242722)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _244580)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (239) [system] 'B'=(;)
^  Call: (239) [user] is_like_space('B')
   Call: (240) [system] char_type('B', 'white')
   Call: (240) [system] char_type('B', end_of_line)
   Call: (240) [system] char_type('B', space)
   Call: (240) [system] char_type('B', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _253048)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'='('
   Call: (238) [system] 'B'='['
   Call: (238) [system] 'B'='{'
   Call: (238) [system] 'B'='"'
   Call: (238) [system] 'B'=!
   Call: (238) [system] 'B'='\''
   Call: (238) [system] 'B'='`'
   Call: (238) [system] 'B'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _242722)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _263266)
   Call: (240) [system] peek_char((0x56051b6b4f40), _264200)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _263266=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq('B', [], _242722)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_273510, _273512), once(user:catch(read_from_chars(['B'], _242722), _273486, fail)), '$restore_trace'(_273510, _273512))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_273510, _273512))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _242722), _273486, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_242722)
   Call: (240) [system] atom_chars(_242722, ['B'])
   Exit: (240) [system] atom_chars('B', ['B'])
^  Exit: (239) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _281962)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _283820)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _290630)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _293334)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=(;)
^  Call: (240) [user] is_like_space('B')
   Call: (241) [system] char_type('B', 'white')
   Call: (241) [system] char_type('B', end_of_line)
   Call: (241) [system] char_type('B', space)
   Call: (241) [system] char_type('B', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _302726)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=')'
   Call: (238) [system] 'B'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _306440)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _308298)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=(;)
^  Call: (240) [user] is_like_space('B')
   Call: (241) [system] char_type('B', 'white')
   Call: (241) [system] char_type('B', end_of_line)
   Call: (241) [system] char_type('B', space)
   Call: (241) [system] char_type('B', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _316766)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'B')
   Call: (239) [system] 'B'='('
   Call: (239) [system] 'B'='['
   Call: (239) [system] 'B'='{'
   Call: (239) [system] 'B'='"'
   Call: (239) [system] 'B'=!
   Call: (239) [system] 'B'='\''
   Call: (239) [system] 'B'='`'
   Call: (239) [system] 'B'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _306440)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _326984)
   Call: (241) [system] peek_char((0x56051b6b4f40), _327918)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (241) [user] is_delimiter(')')
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] arg(_331710, v('(', ')', end_of_file), ')')
   Exit: (242) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (241) [user] is_delimiter(')')
   Call: (241) [system] _326984=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq('B', [], _306440)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_338172, _338174), once(user:catch(read_from_chars(['B'], _306440), _338148, fail)), '$restore_trace'(_338172, _338174))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_338172, _338174))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _306440), _338148, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_306440)
   Call: (241) [system] atom_chars(_306440, ['B'])
   Exit: (241) [system] atom_chars('B', ['B'])
^  Exit: (240) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _346624)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _348482)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=(;)
^  Call: (240) [user] is_like_space(')')
   Call: (241) [system] char_type(')', 'white')
   Call: (241) [system] char_type(')', end_of_line)
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] char_type(')', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _356950)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=')'
   Exit: (239) [system] ')'=')'
   Call: (239) [system] get_char((0x56051b6b4f40), _360740)
   Exit: (239) [system] get_char((0x56051b6b4f40), ')')
   Call: (239) [system] _346624=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (238) [system] _281962=['B']
   Exit: (238) [system] ['B']=['B']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (237) [system] _218244=['B', 'B']
   Exit: (237) [system] ['B', 'B']=['B', 'B']
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['B', 'B'])
   Call: (236) [system] _90476=['OrLink', 'B', 'B']
   Exit: (236) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', 'B'])
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', 'B'])
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _374622)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _376480)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=(;)
^  Call: (236) [user] is_like_space(')')
   Call: (237) [system] char_type(')', 'white')
   Call: (237) [system] char_type(')', end_of_line)
   Call: (237) [system] char_type(')', space)
   Call: (237) [system] char_type(')', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _384948)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ')')
   Call: (235) [system] ')'=')'
   Exit: (235) [system] ')'=')'
   Call: (235) [system] get_char((0x56051b6b4f40), _388738)
   Exit: (235) [system] get_char((0x56051b6b4f40), ')')
   Call: (235) [system] _374622=[]
   Exit: (235) [system] []=[]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (234) [system] _65998=[['OrLink', 'B', 'B']]
   Exit: (234) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', 'B']])
   Call: (233) [system] _9568=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (233) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
   Call: (232) [system] _9560=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
   Exit: (232) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']]
^  Exit: (231) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Exit: (230) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'B']])
^  Call: (230) [user] read_list(')', (0x56051b6b4f40), _402620)
^  Call: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _404478)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (232) [system] '\n'=(;)
^  Call: (232) [user] is_like_space('\n')
   Call: (233) [system] char_type('\n', 'white')
   Call: (233) [system] char_type('\n', end_of_line)
   Exit: (233) [system] char_type('\n', end_of_line)
^  Exit: (232) [user] is_like_space('\n')
   Call: (232) [system] get_char((0x56051b6b4f40), _412094)
   Exit: (232) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _414798)
   Exit: (233) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (233) [system] ' '=(;)
^  Call: (233) [user] is_like_space(' ')
   Call: (234) [system] char_type(' ', 'white')
   Exit: (234) [system] char_type(' ', 'white')
^  Exit: (233) [user] is_like_space(' ')
   Call: (233) [system] get_char((0x56051b6b4f40), _421608)
   Exit: (233) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _424312)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (231) [user] skip_spaces((0x56051b6b4f40))
   Call: (231) [system] peek_char((0x56051b6b4f40), _434628)
   Exit: (231) [system] peek_char((0x56051b6b4f40), '(')
   Call: (231) [system] '('=')'
   Call: (231) [system] '('=end_of_file
^  Call: (231) [user] cont_sexpr(')', (0x56051b6b4f40), _438342)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _440200)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=(;)
^  Call: (233) [user] is_like_space('(')
   Call: (234) [system] char_type('(', 'white')
   Call: (234) [system] char_type('(', end_of_line)
   Call: (234) [system] char_type('(', space)
   Call: (234) [system] char_type('(', cntrl)
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] get_char((0x56051b6b4f40), _448668)
   Exit: (232) [system] get_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('='('
   Exit: (232) [system] '('='('
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _438342)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _454238)
   Exit: (234) [system] peek_char((0x56051b6b4f40), :)
   Call: (234) [system] (:)=(;)
^  Call: (234) [user] is_like_space(:)
   Call: (235) [system] char_type(:, 'white')
   Call: (235) [system] char_type(:, end_of_line)
   Call: (235) [system] char_type(:, space)
   Call: (235) [system] char_type(:, cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _462706)
   Exit: (233) [system] peek_char((0x56051b6b4f40), :)
   Call: (233) [system] (:)=')'
   Call: (233) [system] (:)=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _466420)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _468278)
   Exit: (235) [system] peek_char((0x56051b6b4f40), :)
   Call: (235) [system] (:)=(;)
^  Call: (235) [user] is_like_space(:)
   Call: (236) [system] char_type(:, 'white')
   Call: (236) [system] char_type(:, end_of_line)
   Call: (236) [system] char_type(:, space)
   Call: (236) [system] char_type(:, cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _476746)
   Exit: (234) [system] get_char((0x56051b6b4f40), :)
   Call: (234) [system] (:)='('
   Call: (234) [system] (:)='['
   Call: (234) [system] (:)='{'
   Call: (234) [system] (:)='"'
   Call: (234) [system] (:)=!
   Call: (234) [system] (:)='\''
   Call: (234) [system] (:)='`'
   Call: (234) [system] (:)=end_of_file
^  Call: (234) [user] read_symbolic(')', (0x56051b6b4f40), :, _466420)
^  Call: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), _486964)
   Call: (236) [system] peek_char((0x56051b6b4f40), _487898)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] is_delimiter(' ')
   Call: (237) [system] char_type(' ', space)
   Exit: (237) [system] char_type(' ', space)
^  Exit: (236) [user] is_delimiter(' ')
   Call: (236) [system] _486964=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (235) [user] classify_and_convert_charseq(:, [], _466420)
^  Call: (237) [system] setup_call_cleanup('$notrace'(_497208, _497210), once(user:catch(read_from_chars([:], _466420), _497184, fail)), '$restore_trace'(_497208, _497210))
^  Call: (238) [system] sig_atomic(system:'$notrace'(_497208, _497210))
^  Exit: (237) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _497184, fail)), system:'$restore_trace'(3, -1))
   Call: (236) [system] atomic(:)
   Exit: (236) [system] atomic(:)
^  Exit: (235) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (234) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _504708)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _506566)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _513376)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _516080)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _525472)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=')'
   Call: (234) [system] '('=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _529186)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _531044)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _539512)
   Exit: (235) [system] get_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('='('
   Exit: (235) [system] '('='('
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _529186)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _545082)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (237) [system] 'D'=(;)
^  Call: (237) [user] is_like_space('D')
   Call: (238) [system] char_type('D', 'white')
   Call: (238) [system] char_type('D', end_of_line)
   Call: (238) [system] char_type('D', space)
   Call: (238) [system] char_type('D', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _553550)
   Exit: (236) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (236) [system] 'D'=')'
   Call: (236) [system] 'D'=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _557264)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _559122)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (238) [system] 'D'=(;)
^  Call: (238) [user] is_like_space('D')
   Call: (239) [system] char_type('D', 'white')
   Call: (239) [system] char_type('D', end_of_line)
   Call: (239) [system] char_type('D', space)
   Call: (239) [system] char_type('D', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _567590)
   Exit: (237) [system] get_char((0x56051b6b4f40), 'D')
   Call: (237) [system] 'D'='('
   Call: (237) [system] 'D'='['
   Call: (237) [system] 'D'='{'
   Call: (237) [system] 'D'='"'
   Call: (237) [system] 'D'=!
   Call: (237) [system] 'D'='\''
   Call: (237) [system] 'D'='`'
   Call: (237) [system] 'D'=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _557264)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _577808)
   Call: (239) [system] peek_char((0x56051b6b4f40), _578742)
   Exit: (239) [system] peek_char((0x56051b6b4f40), i)
^  Call: (239) [user] is_delimiter(i)
   Call: (240) [system] char_type(i, space)
   Call: (240) [system] arg(_582534, v('(', ')', end_of_file), i)
   Call: (239) [system] ')'==i
   Call: (239) [system] get_char((0x56051b6b4f40), i)
   Exit: (239) [system] get_char((0x56051b6b4f40), i)
   Call: (239) [system] i=(\)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _587104)
   Call: (240) [system] peek_char((0x56051b6b4f40), _588038)
   Exit: (240) [system] peek_char((0x56051b6b4f40), s)
^  Call: (240) [user] is_delimiter(s)
   Call: (241) [system] char_type(s, space)
   Call: (241) [system] arg(_591830, v('(', ')', end_of_file), s)
   Call: (240) [system] ')'==s
   Call: (240) [system] get_char((0x56051b6b4f40), s)
   Exit: (240) [system] get_char((0x56051b6b4f40), s)
   Call: (240) [system] s=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _596400)
   Call: (241) [system] peek_char((0x56051b6b4f40), _597334)
   Exit: (241) [system] peek_char((0x56051b6b4f40), j)
^  Call: (241) [user] is_delimiter(j)
   Call: (242) [system] char_type(j, space)
   Call: (242) [system] arg(_601126, v('(', ')', end_of_file), j)
   Call: (241) [system] ')'==j
   Call: (241) [system] get_char((0x56051b6b4f40), j)
   Exit: (241) [system] get_char((0x56051b6b4f40), j)
   Call: (241) [system] j=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _605696)
   Call: (242) [system] peek_char((0x56051b6b4f40), _606630)
   Exit: (242) [system] peek_char((0x56051b6b4f40), u)
^  Call: (242) [user] is_delimiter(u)
   Call: (243) [system] char_type(u, space)
   Call: (243) [system] arg(_610422, v('(', ')', end_of_file), u)
   Call: (242) [system] ')'==u
   Call: (242) [system] get_char((0x56051b6b4f40), u)
   Exit: (242) [system] get_char((0x56051b6b4f40), u)
   Call: (242) [system] u=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _614992)
   Call: (243) [system] peek_char((0x56051b6b4f40), _615926)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_619718, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _624288)
   Call: (244) [system] peek_char((0x56051b6b4f40), _625222)
   Exit: (244) [system] peek_char((0x56051b6b4f40), c)
^  Call: (244) [user] is_delimiter(c)
   Call: (245) [system] char_type(c, space)
   Call: (245) [system] arg(_629014, v('(', ')', end_of_file), c)
   Call: (244) [system] ')'==c
   Call: (244) [system] get_char((0x56051b6b4f40), c)
   Exit: (244) [system] get_char((0x56051b6b4f40), c)
   Call: (244) [system] c=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _633584)
   Call: (245) [system] peek_char((0x56051b6b4f40), _634518)
   Exit: (245) [system] peek_char((0x56051b6b4f40), t)
^  Call: (245) [user] is_delimiter(t)
   Call: (246) [system] char_type(t, space)
   Call: (246) [system] arg(_638310, v('(', ')', end_of_file), t)
   Call: (245) [system] ')'==t
   Call: (245) [system] get_char((0x56051b6b4f40), t)
   Exit: (245) [system] get_char((0x56051b6b4f40), t)
   Call: (245) [system] t=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _642880)
   Call: (246) [system] peek_char((0x56051b6b4f40), _643814)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_647606, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _652176)
   Call: (247) [system] peek_char((0x56051b6b4f40), _653110)
   Exit: (247) [system] peek_char((0x56051b6b4f40), o)
^  Call: (247) [user] is_delimiter(o)
   Call: (248) [system] char_type(o, space)
   Call: (248) [system] arg(_656902, v('(', ')', end_of_file), o)
   Call: (247) [system] ')'==o
   Call: (247) [system] get_char((0x56051b6b4f40), o)
   Exit: (247) [system] get_char((0x56051b6b4f40), o)
   Call: (247) [system] o=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _661472)
   Call: (248) [system] peek_char((0x56051b6b4f40), _662406)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_666198, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _670768)
   Call: (249) [system] peek_char((0x56051b6b4f40), _671702)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (249) [user] is_delimiter('I')
   Call: (250) [system] char_type('I', space)
   Call: (250) [system] arg(_675494, v('(', ')', end_of_file), 'I')
   Call: (249) [system] ')'=='I'
   Call: (249) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (249) [system] get_char((0x56051b6b4f40), 'I')
   Call: (249) [system] 'I'=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _680064)
   Call: (250) [system] peek_char((0x56051b6b4f40), _680998)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_684790, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _689360)
   Call: (251) [system] peek_char((0x56051b6b4f40), _690294)
   Exit: (251) [system] peek_char((0x56051b6b4f40), t)
^  Call: (251) [user] is_delimiter(t)
   Call: (252) [system] char_type(t, space)
   Call: (252) [system] arg(_694086, v('(', ')', end_of_file), t)
   Call: (251) [system] ')'==t
   Call: (251) [system] get_char((0x56051b6b4f40), t)
   Exit: (251) [system] get_char((0x56051b6b4f40), t)
   Call: (251) [system] t=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _698656)
   Call: (252) [system] peek_char((0x56051b6b4f40), _699590)
   Exit: (252) [system] peek_char((0x56051b6b4f40), r)
^  Call: (252) [user] is_delimiter(r)
   Call: (253) [system] char_type(r, space)
   Call: (253) [system] arg(_703382, v('(', ')', end_of_file), r)
   Call: (252) [system] ')'==r
   Call: (252) [system] get_char((0x56051b6b4f40), r)
   Exit: (252) [system] get_char((0x56051b6b4f40), r)
   Call: (252) [system] r=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _707952)
   Call: (253) [system] peek_char((0x56051b6b4f40), _708886)
   Exit: (253) [system] peek_char((0x56051b6b4f40), o)
^  Call: (253) [user] is_delimiter(o)
   Call: (254) [system] char_type(o, space)
   Call: (254) [system] arg(_712678, v('(', ')', end_of_file), o)
   Call: (253) [system] ')'==o
   Call: (253) [system] get_char((0x56051b6b4f40), o)
   Exit: (253) [system] get_char((0x56051b6b4f40), o)
   Call: (253) [system] o=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _717248)
   Call: (254) [system] peek_char((0x56051b6b4f40), _718182)
   Exit: (254) [system] peek_char((0x56051b6b4f40), d)
^  Call: (254) [user] is_delimiter(d)
   Call: (255) [system] char_type(d, space)
   Call: (255) [system] arg(_721974, v('(', ')', end_of_file), d)
   Call: (254) [system] ')'==d
   Call: (254) [system] get_char((0x56051b6b4f40), d)
   Exit: (254) [system] get_char((0x56051b6b4f40), d)
   Call: (254) [system] d=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _726544)
   Call: (255) [system] peek_char((0x56051b6b4f40), _727478)
   Exit: (255) [system] peek_char((0x56051b6b4f40), u)
^  Call: (255) [user] is_delimiter(u)
   Call: (256) [system] char_type(u, space)
   Call: (256) [system] arg(_731270, v('(', ')', end_of_file), u)
   Call: (255) [system] ')'==u
   Call: (255) [system] get_char((0x56051b6b4f40), u)
   Exit: (255) [system] get_char((0x56051b6b4f40), u)
   Call: (255) [system] u=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _735840)
   Call: (256) [system] peek_char((0x56051b6b4f40), _736774)
   Exit: (256) [system] peek_char((0x56051b6b4f40), c)
^  Call: (256) [user] is_delimiter(c)
   Call: (257) [system] char_type(c, space)
   Call: (257) [system] arg(_740566, v('(', ')', end_of_file), c)
   Call: (256) [system] ')'==c
   Call: (256) [system] get_char((0x56051b6b4f40), c)
   Exit: (256) [system] get_char((0x56051b6b4f40), c)
   Call: (256) [system] c=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _745136)
   Call: (257) [system] peek_char((0x56051b6b4f40), _746070)
   Exit: (257) [system] peek_char((0x56051b6b4f40), t)
^  Call: (257) [user] is_delimiter(t)
   Call: (258) [system] char_type(t, space)
   Call: (258) [system] arg(_749862, v('(', ')', end_of_file), t)
   Call: (257) [system] ')'==t
   Call: (257) [system] get_char((0x56051b6b4f40), t)
   Exit: (257) [system] get_char((0x56051b6b4f40), t)
   Call: (257) [system] t=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _754432)
   Call: (258) [system] peek_char((0x56051b6b4f40), _755366)
   Exit: (258) [system] peek_char((0x56051b6b4f40), i)
^  Call: (258) [user] is_delimiter(i)
   Call: (259) [system] char_type(i, space)
   Call: (259) [system] arg(_759158, v('(', ')', end_of_file), i)
   Call: (258) [system] ')'==i
   Call: (258) [system] get_char((0x56051b6b4f40), i)
   Exit: (258) [system] get_char((0x56051b6b4f40), i)
   Call: (258) [system] i=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _763728)
   Call: (259) [system] peek_char((0x56051b6b4f40), _764662)
   Exit: (259) [system] peek_char((0x56051b6b4f40), o)
^  Call: (259) [user] is_delimiter(o)
   Call: (260) [system] char_type(o, space)
   Call: (260) [system] arg(_768454, v('(', ')', end_of_file), o)
   Call: (259) [system] ')'==o
   Call: (259) [system] get_char((0x56051b6b4f40), o)
   Exit: (259) [system] get_char((0x56051b6b4f40), o)
   Call: (259) [system] o=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _773024)
   Call: (260) [system] peek_char((0x56051b6b4f40), _773958)
   Exit: (260) [system] peek_char((0x56051b6b4f40), n)
^  Call: (260) [user] is_delimiter(n)
   Call: (261) [system] char_type(n, space)
   Call: (261) [system] arg(_777750, v('(', ')', end_of_file), n)
   Call: (260) [system] ')'==n
   Call: (260) [system] get_char((0x56051b6b4f40), n)
   Exit: (260) [system] get_char((0x56051b6b4f40), n)
   Call: (260) [system] n=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _782320)
   Call: (261) [system] peek_char((0x56051b6b4f40), _783254)
   Exit: (261) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (261) [user] is_delimiter(' ')
   Call: (262) [system] char_type(' ', space)
   Exit: (262) [system] char_type(' ', space)
^  Exit: (261) [user] is_delimiter(' ')
   Call: (261) [system] _782320=[]
   Exit: (261) [system] []=[]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (260) [system] _773024=[n]
   Exit: (260) [system] [n]=[n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (259) [system] _763728=[o, n]
   Exit: (259) [system] [o, n]=[o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (258) [system] _754432=[i, o, n]
   Exit: (258) [system] [i, o, n]=[i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (257) [system] _745136=[t, i, o, n]
   Exit: (257) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (256) [system] _735840=[c, t, i, o, n]
   Exit: (256) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (255) [system] _726544=[u, c, t, i, o, n]
   Exit: (255) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (254) [system] _717248=[d, u, c, t, i, o, n]
   Exit: (254) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (253) [system] _707952=[o, d, u, c, t, i, o, n]
   Exit: (253) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (252) [system] _698656=[r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _689360=[t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _680064=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _670768=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _661472=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _652176=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _642880=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _633584=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _624288=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _614992=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _605696=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _596400=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _587104=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (239) [system] _577808=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (239) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (238) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _557264)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_854032, _854034), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _557264), _854008, fail)), '$restore_trace'(_854032, _854034))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_854032, _854034))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _557264), _854008, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(_557264)
   Call: (239) [system] atom_chars(_557264, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (239) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (238) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _862484)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _864342)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _871152)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _873856)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(;)
^  Call: (239) [user] is_like_space(a)
   Call: (240) [system] char_type(a, 'white')
   Call: (240) [system] char_type(a, end_of_line)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] char_type(a, cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _883248)
   Exit: (237) [system] peek_char((0x56051b6b4f40), a)
   Call: (237) [system] a=')'
   Call: (237) [system] a=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _886962)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _888820)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=(;)
^  Call: (239) [user] is_like_space(a)
   Call: (240) [system] char_type(a, 'white')
   Call: (240) [system] char_type(a, end_of_line)
   Call: (240) [system] char_type(a, space)
   Call: (240) [system] char_type(a, cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _897288)
   Exit: (238) [system] get_char((0x56051b6b4f40), a)
   Call: (238) [system] a='('
   Call: (238) [system] a='['
   Call: (238) [system] a='{'
   Call: (238) [system] a='"'
   Call: (238) [system] a=!
   Call: (238) [system] a='\''
   Call: (238) [system] a='`'
   Call: (238) [system] a=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), a, _886962)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _907506)
   Call: (240) [system] peek_char((0x56051b6b4f40), _908440)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _907506=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq(a, [], _886962)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_917750, _917752), once(user:catch(read_from_chars([a], _886962), _917726, fail)), '$restore_trace'(_917750, _917752))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_917750, _917752))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _917726, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(a)
   Exit: (240) [system] atomic(a)
^  Exit: (239) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _925250)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _927108)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _933918)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _936622)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(;)
^  Call: (240) [user] is_like_space(c)
   Call: (241) [system] char_type(c, 'white')
   Call: (241) [system] char_type(c, end_of_line)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] char_type(c, cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _946014)
   Exit: (238) [system] peek_char((0x56051b6b4f40), c)
   Call: (238) [system] c=')'
   Call: (238) [system] c=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _949728)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _951586)
   Exit: (240) [system] peek_char((0x56051b6b4f40), c)
   Call: (240) [system] c=(;)
^  Call: (240) [user] is_like_space(c)
   Call: (241) [system] char_type(c, 'white')
   Call: (241) [system] char_type(c, end_of_line)
   Call: (241) [system] char_type(c, space)
   Call: (241) [system] char_type(c, cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _960054)
   Exit: (239) [system] get_char((0x56051b6b4f40), c)
   Call: (239) [system] c='('
   Call: (239) [system] c='['
   Call: (239) [system] c='{'
   Call: (239) [system] c='"'
   Call: (239) [system] c=!
   Call: (239) [system] c='\''
   Call: (239) [system] c='`'
   Call: (239) [system] c=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), c, _949728)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _970272)
   Call: (241) [system] peek_char((0x56051b6b4f40), _971206)
   Exit: (241) [system] peek_char((0x56051b6b4f40), d)
^  Call: (241) [user] is_delimiter(d)
   Call: (242) [system] char_type(d, space)
   Call: (242) [system] arg(_974998, v('(', ')', end_of_file), d)
   Call: (241) [system] ')'==d
   Call: (241) [system] get_char((0x56051b6b4f40), d)
   Exit: (241) [system] get_char((0x56051b6b4f40), d)
   Call: (241) [system] d=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _979568)
   Call: (242) [system] peek_char((0x56051b6b4f40), _980502)
   Exit: (242) [system] peek_char((0x56051b6b4f40), e)
^  Call: (242) [user] is_delimiter(e)
   Call: (243) [system] char_type(e, space)
   Call: (243) [system] arg(_984294, v('(', ')', end_of_file), e)
   Call: (242) [system] ')'==e
   Call: (242) [system] get_char((0x56051b6b4f40), e)
   Exit: (242) [system] get_char((0x56051b6b4f40), e)
   Call: (242) [system] e=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _988864)
   Call: (243) [system] peek_char((0x56051b6b4f40), _989798)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (243) [user] is_delimiter(')')
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] arg(_993590, v('(', ')', end_of_file), ')')
   Exit: (244) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (243) [user] is_delimiter(')')
   Call: (243) [system] _988864=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (242) [system] _979568=[e]
   Exit: (242) [system] [e]=[e]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (241) [system] _970272=[d, e]
   Exit: (241) [system] [d, e]=[d, e]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (240) [user] classify_and_convert_charseq(c, [d, e], _949728)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1005640, _1005642), once(user:catch(read_from_chars([c, d, e], _949728), _1005616, fail)), '$restore_trace'(_1005640, _1005642))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1005640, _1005642))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1005616, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(cde)
   Exit: (241) [system] atomic(cde)
^  Exit: (240) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1013140)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1014998)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=(;)
^  Call: (240) [user] is_like_space(')')
   Call: (241) [system] char_type(')', 'white')
   Call: (241) [system] char_type(')', end_of_line)
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] char_type(')', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1023466)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=')'
   Exit: (239) [system] ')'=')'
   Call: (239) [system] get_char((0x56051b6b4f40), _1027256)
   Exit: (239) [system] get_char((0x56051b6b4f40), ')')
   Call: (239) [system] _1013140=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (238) [system] _925250=[cde]
   Exit: (238) [system] [cde]=[cde]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (237) [system] _862484=[a, cde]
   Exit: (237) [system] [a, cde]=[a, cde]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [a, cde])
   Call: (236) [system] _529186=['DisjunctionIntroduction', a, cde]
   Exit: (236) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1041138)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1042996)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _1049806)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1052510)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1061902)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=')'
   Call: (235) [system] '('=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1065616)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1067474)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1075942)
   Exit: (236) [system] get_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('='('
   Exit: (236) [system] '('='('
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1065616)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1081512)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (238) [system] 'O'=(;)
^  Call: (238) [user] is_like_space('O')
   Call: (239) [system] char_type('O', 'white')
   Call: (239) [system] char_type('O', end_of_line)
   Call: (239) [system] char_type('O', space)
   Call: (239) [system] char_type('O', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1089980)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (237) [system] 'O'=')'
   Call: (237) [system] 'O'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1093694)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1095552)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (239) [system] 'O'=(;)
^  Call: (239) [user] is_like_space('O')
   Call: (240) [system] char_type('O', 'white')
   Call: (240) [system] char_type('O', end_of_line)
   Call: (240) [system] char_type('O', space)
   Call: (240) [system] char_type('O', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1104020)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'O')
   Call: (238) [system] 'O'='('
   Call: (238) [system] 'O'='['
   Call: (238) [system] 'O'='{'
   Call: (238) [system] 'O'='"'
   Call: (238) [system] 'O'=!
   Call: (238) [system] 'O'='\''
   Call: (238) [system] 'O'='`'
   Call: (238) [system] 'O'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1093694)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1114238)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1115172)
   Exit: (240) [system] peek_char((0x56051b6b4f40), r)
^  Call: (240) [user] is_delimiter(r)
   Call: (241) [system] char_type(r, space)
   Call: (241) [system] arg(_1118964, v('(', ')', end_of_file), r)
   Call: (240) [system] ')'==r
   Call: (240) [system] get_char((0x56051b6b4f40), r)
   Exit: (240) [system] get_char((0x56051b6b4f40), r)
   Call: (240) [system] r=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1123534)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1124468)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (241) [user] is_delimiter('L')
   Call: (242) [system] char_type('L', space)
   Call: (242) [system] arg(_1128260, v('(', ')', end_of_file), 'L')
   Call: (241) [system] ')'=='L'
   Call: (241) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (241) [system] get_char((0x56051b6b4f40), 'L')
   Call: (241) [system] 'L'=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1132830)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1133764)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1137556, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1142126)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1143060)
   Exit: (243) [system] peek_char((0x56051b6b4f40), n)
^  Call: (243) [user] is_delimiter(n)
   Call: (244) [system] char_type(n, space)
   Call: (244) [system] arg(_1146852, v('(', ')', end_of_file), n)
   Call: (243) [system] ')'==n
   Call: (243) [system] get_char((0x56051b6b4f40), n)
   Exit: (243) [system] get_char((0x56051b6b4f40), n)
   Call: (243) [system] n=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1151422)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1152356)
   Exit: (244) [system] peek_char((0x56051b6b4f40), k)
^  Call: (244) [user] is_delimiter(k)
   Call: (245) [system] char_type(k, space)
   Call: (245) [system] arg(_1156148, v('(', ')', end_of_file), k)
   Call: (244) [system] ')'==k
   Call: (244) [system] get_char((0x56051b6b4f40), k)
   Exit: (244) [system] get_char((0x56051b6b4f40), k)
   Call: (244) [system] k=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1160718)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1161652)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _1160718=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (244) [system] _1151422=[k]
   Exit: (244) [system] [k]=[k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (243) [system] _1142126=[n, k]
   Exit: (243) [system] [n, k]=[n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (242) [system] _1132830=[i, n, k]
   Exit: (242) [system] [i, n, k]=[i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (241) [system] _1123534=['L', i, n, k]
   Exit: (241) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (240) [system] _1114238=[r, 'L', i, n, k]
   Exit: (240) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (239) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1093694)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1184932, _1184934), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1093694), _1184908, fail)), '$restore_trace'(_1184932, _1184934))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1184932, _1184934))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1093694), _1184908, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_1093694)
   Call: (240) [system] atom_chars(_1093694, ['O', r, 'L', i, n, k])
   Exit: (240) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (239) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1193384)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1195242)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _1202052)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1204756)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=(;)
^  Call: (240) [user] is_like_space('B')
   Call: (241) [system] char_type('B', 'white')
   Call: (241) [system] char_type('B', end_of_line)
   Call: (241) [system] char_type('B', space)
   Call: (241) [system] char_type('B', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1214148)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (238) [system] 'B'=')'
   Call: (238) [system] 'B'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1217862)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1219720)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=(;)
^  Call: (240) [user] is_like_space('B')
   Call: (241) [system] char_type('B', 'white')
   Call: (241) [system] char_type('B', end_of_line)
   Call: (241) [system] char_type('B', space)
   Call: (241) [system] char_type('B', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1228188)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'B')
   Call: (239) [system] 'B'='('
   Call: (239) [system] 'B'='['
   Call: (239) [system] 'B'='{'
   Call: (239) [system] 'B'='"'
   Call: (239) [system] 'B'=!
   Call: (239) [system] 'B'='\''
   Call: (239) [system] 'B'='`'
   Call: (239) [system] 'B'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1217862)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1238406)
   Call: (241) [system] peek_char((0x56051b6b4f40), _1239340)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _1238406=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq('B', [], _1217862)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1248650, _1248652), once(user:catch(read_from_chars(['B'], _1217862), _1248626, fail)), '$restore_trace'(_1248650, _1248652))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1248650, _1248652))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1217862), _1248626, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_1217862)
   Call: (241) [system] atom_chars(_1217862, ['B'])
   Exit: (241) [system] atom_chars('B', ['B'])
^  Exit: (240) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1257102)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1258960)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _1265770)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1268474)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=(;)
^  Call: (241) [user] is_like_space('(')
   Call: (242) [system] char_type('(', 'white')
   Call: (242) [system] char_type('(', end_of_line)
   Call: (242) [system] char_type('(', space)
   Call: (242) [system] char_type('(', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1277866)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=')'
   Call: (239) [system] '('=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _1281580)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1283438)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=(;)
^  Call: (241) [user] is_like_space('(')
   Call: (242) [system] char_type('(', 'white')
   Call: (242) [system] char_type('(', end_of_line)
   Call: (242) [system] char_type('(', space)
   Call: (242) [system] char_type('(', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _1291906)
   Exit: (240) [system] get_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('='('
   Exit: (240) [system] '('='('
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _1281580)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1297476)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (242) [system] 'I'=(;)
^  Call: (242) [user] is_like_space('I')
   Call: (243) [system] char_type('I', 'white')
   Call: (243) [system] char_type('I', end_of_line)
   Call: (243) [system] char_type('I', space)
   Call: (243) [system] char_type('I', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1305944)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (241) [system] 'I'=')'
   Call: (241) [system] 'I'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _1309658)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1311516)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (243) [system] 'I'=(;)
^  Call: (243) [user] is_like_space('I')
   Call: (244) [system] char_type('I', 'white')
   Call: (244) [system] char_type('I', end_of_line)
   Call: (244) [system] char_type('I', space)
   Call: (244) [system] char_type('I', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _1319984)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'I')
   Call: (242) [system] 'I'='('
   Call: (242) [system] 'I'='['
   Call: (242) [system] 'I'='{'
   Call: (242) [system] 'I'='"'
   Call: (242) [system] 'I'=!
   Call: (242) [system] 'I'='\''
   Call: (242) [system] 'I'='`'
   Call: (242) [system] 'I'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1309658)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1330202)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1331136)
   Exit: (244) [system] peek_char((0x56051b6b4f40), m)
^  Call: (244) [user] is_delimiter(m)
   Call: (245) [system] char_type(m, space)
   Call: (245) [system] arg(_1334928, v('(', ')', end_of_file), m)
   Call: (244) [system] ')'==m
   Call: (244) [system] get_char((0x56051b6b4f40), m)
   Exit: (244) [system] get_char((0x56051b6b4f40), m)
   Call: (244) [system] m=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1339498)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1340432)
   Exit: (245) [system] peek_char((0x56051b6b4f40), p)
^  Call: (245) [user] is_delimiter(p)
   Call: (246) [system] char_type(p, space)
   Call: (246) [system] arg(_1344224, v('(', ')', end_of_file), p)
   Call: (245) [system] ')'==p
   Call: (245) [system] get_char((0x56051b6b4f40), p)
   Exit: (245) [system] get_char((0x56051b6b4f40), p)
   Call: (245) [system] p=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1348794)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1349728)
   Exit: (246) [system] peek_char((0x56051b6b4f40), l)
^  Call: (246) [user] is_delimiter(l)
   Call: (247) [system] char_type(l, space)
   Call: (247) [system] arg(_1353520, v('(', ')', end_of_file), l)
   Call: (246) [system] ')'==l
   Call: (246) [system] get_char((0x56051b6b4f40), l)
   Exit: (246) [system] get_char((0x56051b6b4f40), l)
   Call: (246) [system] l=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1358090)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1359024)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_1362816, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1367386)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1368320)
   Exit: (248) [system] peek_char((0x56051b6b4f40), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_1372112, v('(', ')', end_of_file), c)
   Call: (248) [system] ')'==c
   Call: (248) [system] get_char((0x56051b6b4f40), c)
   Exit: (248) [system] get_char((0x56051b6b4f40), c)
   Call: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1376682)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1377616)
   Exit: (249) [system] peek_char((0x56051b6b4f40), a)
^  Call: (249) [user] is_delimiter(a)
   Call: (250) [system] char_type(a, space)
   Call: (250) [system] arg(_1381408, v('(', ')', end_of_file), a)
   Call: (249) [system] ')'==a
   Call: (249) [system] get_char((0x56051b6b4f40), a)
   Exit: (249) [system] get_char((0x56051b6b4f40), a)
   Call: (249) [system] a=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1385978)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1386912)
   Exit: (250) [system] peek_char((0x56051b6b4f40), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_1390704, v('(', ')', end_of_file), t)
   Call: (250) [system] ')'==t
   Call: (250) [system] get_char((0x56051b6b4f40), t)
   Exit: (250) [system] get_char((0x56051b6b4f40), t)
   Call: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1395274)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1396208)
   Exit: (251) [system] peek_char((0x56051b6b4f40), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_1400000, v('(', ')', end_of_file), i)
   Call: (251) [system] ')'==i
   Call: (251) [system] get_char((0x56051b6b4f40), i)
   Exit: (251) [system] get_char((0x56051b6b4f40), i)
   Call: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1404570)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1405504)
   Exit: (252) [system] peek_char((0x56051b6b4f40), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_1409296, v('(', ')', end_of_file), o)
   Call: (252) [system] ')'==o
   Call: (252) [system] get_char((0x56051b6b4f40), o)
   Exit: (252) [system] get_char((0x56051b6b4f40), o)
   Call: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1413866)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1414800)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1418592, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1423162)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1424096)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1423162=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (253) [system] _1413866=[n]
   Exit: (253) [system] [n]=[n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (252) [system] _1404570=[o, n]
   Exit: (252) [system] [o, n]=[o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (251) [system] _1395274=[i, o, n]
   Exit: (251) [system] [i, o, n]=[i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (250) [system] _1385978=[t, i, o, n]
   Exit: (250) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (249) [system] _1376682=[a, t, i, o, n]
   Exit: (249) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (248) [system] _1367386=[c, a, t, i, o, n]
   Exit: (248) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (247) [system] _1358090=[i, c, a, t, i, o, n]
   Exit: (247) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (246) [system] _1348794=[l, i, c, a, t, i, o, n]
   Exit: (246) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (245) [system] _1339498=[p, l, i, c, a, t, i, o, n]
   Exit: (245) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (244) [system] _1330202=[m, p, l, i, c, a, t, i, o, n]
   Exit: (244) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (243) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1309658)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_1461346, _1461348), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1309658), _1461322, fail)), '$restore_trace'(_1461346, _1461348))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_1461346, _1461348))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1309658), _1461322, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_1309658)
   Call: (244) [system] atom_chars(_1309658, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (244) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (243) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _1469798)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1471656)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _1478466)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1481170)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1490562)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=')'
   Call: (242) [system] '('=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _1494276)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1496134)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _1504602)
   Exit: (243) [system] get_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('='('
   Exit: (243) [system] '('='('
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1494276)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1510172)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'=(;)
^  Call: (245) [user] is_like_space('O')
   Call: (246) [system] char_type('O', 'white')
   Call: (246) [system] char_type('O', end_of_line)
   Call: (246) [system] char_type('O', space)
   Call: (246) [system] char_type('O', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1518640)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (244) [system] 'O'=')'
   Call: (244) [system] 'O'=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _1522354)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1524212)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (246) [system] 'O'=(;)
^  Call: (246) [user] is_like_space('O')
   Call: (247) [system] char_type('O', 'white')
   Call: (247) [system] char_type('O', end_of_line)
   Call: (247) [system] char_type('O', space)
   Call: (247) [system] char_type('O', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _1532680)
   Exit: (245) [system] get_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'='('
   Call: (245) [system] 'O'='['
   Call: (245) [system] 'O'='{'
   Call: (245) [system] 'O'='"'
   Call: (245) [system] 'O'=!
   Call: (245) [system] 'O'='\''
   Call: (245) [system] 'O'='`'
   Call: (245) [system] 'O'=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1522354)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1542898)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1543832)
   Exit: (247) [system] peek_char((0x56051b6b4f40), r)
^  Call: (247) [user] is_delimiter(r)
   Call: (248) [system] char_type(r, space)
   Call: (248) [system] arg(_1547624, v('(', ')', end_of_file), r)
   Call: (247) [system] ')'==r
   Call: (247) [system] get_char((0x56051b6b4f40), r)
   Exit: (247) [system] get_char((0x56051b6b4f40), r)
   Call: (247) [system] r=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1552194)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1553128)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (248) [user] is_delimiter('L')
   Call: (249) [system] char_type('L', space)
   Call: (249) [system] arg(_1556920, v('(', ')', end_of_file), 'L')
   Call: (248) [system] ')'=='L'
   Call: (248) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (248) [system] get_char((0x56051b6b4f40), 'L')
   Call: (248) [system] 'L'=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1561490)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1562424)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_1566216, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1570786)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1571720)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_1575512, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1580082)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1581016)
   Exit: (251) [system] peek_char((0x56051b6b4f40), k)
^  Call: (251) [user] is_delimiter(k)
   Call: (252) [system] char_type(k, space)
   Call: (252) [system] arg(_1584808, v('(', ')', end_of_file), k)
   Call: (251) [system] ')'==k
   Call: (251) [system] get_char((0x56051b6b4f40), k)
   Exit: (251) [system] get_char((0x56051b6b4f40), k)
   Call: (251) [system] k=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1589378)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1590312)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _1589378=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (251) [system] _1580082=[k]
   Exit: (251) [system] [k]=[k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (250) [system] _1570786=[n, k]
   Exit: (250) [system] [n, k]=[n, k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (249) [system] _1561490=[i, n, k]
   Exit: (249) [system] [i, n, k]=[i, n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (248) [system] _1552194=['L', i, n, k]
   Exit: (248) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (247) [system] _1542898=[r, 'L', i, n, k]
   Exit: (247) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (246) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1522354)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_1613592, _1613594), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1522354), _1613568, fail)), '$restore_trace'(_1613592, _1613594))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_1613592, _1613594))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1522354), _1613568, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(_1522354)
   Call: (247) [system] atom_chars(_1522354, ['O', r, 'L', i, n, k])
   Exit: (247) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (246) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _1622044)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1623902)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _1630712)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1633416)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (247) [system] 'C'=(;)
^  Call: (247) [user] is_like_space('C')
   Call: (248) [system] char_type('C', 'white')
   Call: (248) [system] char_type('C', end_of_line)
   Call: (248) [system] char_type('C', space)
   Call: (248) [system] char_type('C', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1642808)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (245) [system] 'C'=')'
   Call: (245) [system] 'C'=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _1646522)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1648380)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (247) [system] 'C'=(;)
^  Call: (247) [user] is_like_space('C')
   Call: (248) [system] char_type('C', 'white')
   Call: (248) [system] char_type('C', end_of_line)
   Call: (248) [system] char_type('C', space)
   Call: (248) [system] char_type('C', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _1656848)
   Exit: (246) [system] get_char((0x56051b6b4f40), 'C')
   Call: (246) [system] 'C'='('
   Call: (246) [system] 'C'='['
   Call: (246) [system] 'C'='{'
   Call: (246) [system] 'C'='"'
   Call: (246) [system] 'C'=!
   Call: (246) [system] 'C'='\''
   Call: (246) [system] 'C'='`'
   Call: (246) [system] 'C'=end_of_file
^  Call: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1646522)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1667066)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1668000)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1667066=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (247) [user] classify_and_convert_charseq('C', [], _1646522)
^  Call: (249) [system] setup_call_cleanup('$notrace'(_1677310, _1677312), once(user:catch(read_from_chars(['C'], _1646522), _1677286, fail)), '$restore_trace'(_1677310, _1677312))
^  Call: (250) [system] sig_atomic(system:'$notrace'(_1677310, _1677312))
^  Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1646522), _1677286, fail)), system:'$restore_trace'(3, -1))
   Call: (248) [system] atomic(_1646522)
   Call: (248) [system] atom_chars(_1646522, ['C'])
   Exit: (248) [system] atom_chars('C', ['C'])
^  Exit: (247) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1685762)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1687620)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (247) [system] ' '=(;)
^  Call: (247) [user] is_like_space(' ')
   Call: (248) [system] char_type(' ', 'white')
   Exit: (248) [system] char_type(' ', 'white')
^  Exit: (247) [user] is_like_space(' ')
   Call: (247) [system] get_char((0x56051b6b4f40), _1694430)
   Exit: (247) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1697134)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (248) [system] 'D'=(;)
^  Call: (248) [user] is_like_space('D')
   Call: (249) [system] char_type('D', 'white')
   Call: (249) [system] char_type('D', end_of_line)
   Call: (249) [system] char_type('D', space)
   Call: (249) [system] char_type('D', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1706526)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (246) [system] 'D'=')'
   Call: (246) [system] 'D'=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _1710240)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1712098)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (248) [system] 'D'=(;)
^  Call: (248) [user] is_like_space('D')
   Call: (249) [system] char_type('D', 'white')
   Call: (249) [system] char_type('D', end_of_line)
   Call: (249) [system] char_type('D', space)
   Call: (249) [system] char_type('D', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _1720566)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'D')
   Call: (247) [system] 'D'='('
   Call: (247) [system] 'D'='['
   Call: (247) [system] 'D'='{'
   Call: (247) [system] 'D'='"'
   Call: (247) [system] 'D'=!
   Call: (247) [system] 'D'='\''
   Call: (247) [system] 'D'='`'
   Call: (247) [system] 'D'=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1710240)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1730784)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1731718)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (249) [user] is_delimiter(')')
   Call: (250) [system] char_type(')', space)
   Call: (250) [system] arg(_1735510, v('(', ')', end_of_file), ')')
   Exit: (250) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (249) [user] is_delimiter(')')
   Call: (249) [system] _1730784=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (248) [user] classify_and_convert_charseq('D', [], _1710240)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_1741972, _1741974), once(user:catch(read_from_chars(['D'], _1710240), _1741948, fail)), '$restore_trace'(_1741972, _1741974))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_1741972, _1741974))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1710240), _1741948, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(_1710240)
   Call: (249) [system] atom_chars(_1710240, ['D'])
   Exit: (249) [system] atom_chars('D', ['D'])
^  Exit: (248) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1750424)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1752282)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
   Call: (248) [system] ')'=(;)
^  Call: (248) [user] is_like_space(')')
   Call: (249) [system] char_type(')', 'white')
   Call: (249) [system] char_type(')', end_of_line)
   Call: (249) [system] char_type(')', space)
   Call: (249) [system] char_type(')', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1760750)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=')'
   Exit: (247) [system] ')'=')'
   Call: (247) [system] get_char((0x56051b6b4f40), _1764540)
   Exit: (247) [system] get_char((0x56051b6b4f40), ')')
   Call: (247) [system] _1750424=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (246) [system] _1685762=['D']
   Exit: (246) [system] ['D']=['D']
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (245) [system] _1622044=['C', 'D']
   Exit: (245) [system] ['C', 'D']=['C', 'D']
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (244) [system] _1494276=['OrLink', 'C', 'D']
   Exit: (244) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1778422)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1780280)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _1787090)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1789794)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (245) [system] 'E'=(;)
^  Call: (245) [user] is_like_space('E')
   Call: (246) [system] char_type('E', 'white')
   Call: (246) [system] char_type('E', end_of_line)
   Call: (246) [system] char_type('E', space)
   Call: (246) [system] char_type('E', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1799186)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (243) [system] 'E'=')'
   Call: (243) [system] 'E'=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _1802900)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1804758)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (245) [system] 'E'=(;)
^  Call: (245) [user] is_like_space('E')
   Call: (246) [system] char_type('E', 'white')
   Call: (246) [system] char_type('E', end_of_line)
   Call: (246) [system] char_type('E', space)
   Call: (246) [system] char_type('E', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _1813226)
   Exit: (244) [system] get_char((0x56051b6b4f40), 'E')
   Call: (244) [system] 'E'='('
   Call: (244) [system] 'E'='['
   Call: (244) [system] 'E'='{'
   Call: (244) [system] 'E'='"'
   Call: (244) [system] 'E'=!
   Call: (244) [system] 'E'='\''
   Call: (244) [system] 'E'='`'
   Call: (244) [system] 'E'=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1802900)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1823444)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1824378)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (246) [user] is_delimiter(')')
   Call: (247) [system] char_type(')', space)
   Call: (247) [system] arg(_1828170, v('(', ')', end_of_file), ')')
   Exit: (247) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (246) [user] is_delimiter(')')
   Call: (246) [system] _1823444=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (245) [user] classify_and_convert_charseq('E', [], _1802900)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_1834632, _1834634), once(user:catch(read_from_chars(['E'], _1802900), _1834608, fail)), '$restore_trace'(_1834632, _1834634))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_1834632, _1834634))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1802900), _1834608, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(_1802900)
   Call: (246) [system] atom_chars(_1802900, ['E'])
   Exit: (246) [system] atom_chars('E', ['E'])
^  Exit: (245) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1843084)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1844942)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=(;)
^  Call: (245) [user] is_like_space(')')
   Call: (246) [system] char_type(')', 'white')
   Call: (246) [system] char_type(')', end_of_line)
   Call: (246) [system] char_type(')', space)
   Call: (246) [system] char_type(')', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1853410)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=')'
   Exit: (244) [system] ')'=')'
   Call: (244) [system] get_char((0x56051b6b4f40), _1857200)
   Exit: (244) [system] get_char((0x56051b6b4f40), ')')
   Call: (244) [system] _1843084=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (243) [system] _1778422=['E']
   Exit: (243) [system] ['E']=['E']
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (242) [system] _1469798=[['OrLink', 'C', 'D'], 'E']
   Exit: (242) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (241) [system] _1281580=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (241) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1871082)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1872940)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=(;)
^  Call: (241) [user] is_like_space(')')
   Call: (242) [system] char_type(')', 'white')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] char_type(')', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1881408)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=')'
   Exit: (240) [system] ')'=')'
   Call: (240) [system] get_char((0x56051b6b4f40), _1885198)
   Exit: (240) [system] get_char((0x56051b6b4f40), ')')
   Call: (240) [system] _1871082=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (239) [system] _1257102=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (239) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (238) [system] _1193384=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (238) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (237) [system] _1065616=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (237) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1899080)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1900938)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=(;)
^  Call: (237) [user] is_like_space(')')
   Call: (238) [system] char_type(')', 'white')
   Call: (238) [system] char_type(')', end_of_line)
   Call: (238) [system] char_type(')', space)
   Call: (238) [system] char_type(')', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1909406)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ')')
   Call: (236) [system] ')'=')'
   Exit: (236) [system] ')'=')'
   Call: (236) [system] get_char((0x56051b6b4f40), _1913196)
   Exit: (236) [system] get_char((0x56051b6b4f40), ')')
   Call: (236) [system] _1899080=[]
   Exit: (236) [system] []=[]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (235) [system] _1041138=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (235) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (234) [system] _504708=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (234) [system] [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (233) [system] _438342=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (233) [system] [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (232) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (231) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, cde], ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (231) [user] read_list(')', (0x56051b6b4f40), _1927078)
^  Call: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _1928936)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (233) [system] '\n'=(;)
^  Call: (233) [user] is_like_space('\n')
   Call: (234) [system] char_type('\n', 'white')
   Call: (234) [system] char_type('\n', end_of_line)
   Exit: (234) [system] char_type('\n', end_of_line)
^  Exit: (233) [user] is_like_space('\n')
   Call: (233) [system] get_char((0x56051b6b4f40), _1936552)
   Exit: (233) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1939256)
   Exit: (234) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (234) [system] ' '=(;)
^  Call: (234) [user] is_like_space(' ')
   Call: (235) [system] char_type(' ', 'white')
   Exit: (235) [system] char_type(' ', 'white')
^  Exit: (234) [user] is_like_space(' ')
   Call: (234) [system] get_char((0x56051b6b4f40), _1946066)
   Exit: (234) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1948770)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (232) [user] skip_spaces((0x56051b6b4f40))
   Call: (232) [system] peek_char((0x56051b6b4f40), _1959086)
   Exit: (232) [system] peek_char((0x56051b6b4f40), '(')
   Call: (232) [system] '('=')'
   Call: (232) [system] '('=end_of_file
^  Call: (232) [user] cont_sexpr(')', (0x56051b6b4f40), _1962800)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1964658)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=(;)
^  Call: (234) [user] is_like_space('(')
   Call: (235) [system] char_type('(', 'white')
   Call: (235) [system] char_type('(', end_of_line)
   Call: (235) [system] char_type('(', space)
   Call: (235) [system] char_type('(', cntrl)
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] get_char((0x56051b6b4f40), _1973126)
   Exit: (233) [system] get_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('='('
   Exit: (233) [system] '('='('
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1962800)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1978696)
   Exit: (235) [system] peek_char((0x56051b6b4f40), :)
   Call: (235) [system] (:)=(;)
^  Call: (235) [user] is_like_space(:)
   Call: (236) [system] char_type(:, 'white')
   Call: (236) [system] char_type(:, end_of_line)
   Call: (236) [system] char_type(:, space)
   Call: (236) [system] char_type(:, cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1987164)
   Exit: (234) [system] peek_char((0x56051b6b4f40), :)
   Call: (234) [system] (:)=')'
   Call: (234) [system] (:)=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1990878)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1992736)
   Exit: (236) [system] peek_char((0x56051b6b4f40), :)
   Call: (236) [system] (:)=(;)
^  Call: (236) [user] is_like_space(:)
   Call: (237) [system] char_type(:, 'white')
   Call: (237) [system] char_type(:, end_of_line)
   Call: (237) [system] char_type(:, space)
   Call: (237) [system] char_type(:, cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _2001204)
   Exit: (235) [system] get_char((0x56051b6b4f40), :)
   Call: (235) [system] (:)='('
   Call: (235) [system] (:)='['
   Call: (235) [system] (:)='{'
   Call: (235) [system] (:)='"'
   Call: (235) [system] (:)=!
   Call: (235) [system] (:)='\''
   Call: (235) [system] (:)='`'
   Call: (235) [system] (:)=end_of_file
^  Call: (235) [user] read_symbolic(')', (0x56051b6b4f40), :, _1990878)
^  Call: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2011422)
   Call: (237) [system] peek_char((0x56051b6b4f40), _2012356)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] is_delimiter(' ')
   Call: (238) [system] char_type(' ', space)
   Exit: (238) [system] char_type(' ', space)
^  Exit: (237) [user] is_delimiter(' ')
   Call: (237) [system] _2011422=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (236) [user] classify_and_convert_charseq(:, [], _1990878)
^  Call: (238) [system] setup_call_cleanup('$notrace'(_2021666, _2021668), once(user:catch(read_from_chars([:], _1990878), _2021642, fail)), '$restore_trace'(_2021666, _2021668))
^  Call: (239) [system] sig_atomic(system:'$notrace'(_2021666, _2021668))
^  Exit: (238) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2021642, fail)), system:'$restore_trace'(3, -1))
   Call: (237) [system] atomic(:)
   Exit: (237) [system] atomic(:)
^  Exit: (236) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (235) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _2029166)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _2031024)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _2037834)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _2040538)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _2049930)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=')'
   Call: (235) [system] '('=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _2053644)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _2055502)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _2063970)
   Exit: (236) [system] get_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('='('
   Exit: (236) [system] '('='('
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _2053644)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _2069540)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (238) [system] 'D'=(;)
^  Call: (238) [user] is_like_space('D')
   Call: (239) [system] char_type('D', 'white')
   Call: (239) [system] char_type('D', end_of_line)
   Call: (239) [system] char_type('D', space)
   Call: (239) [system] char_type('D', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _2078008)
   Exit: (237) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (237) [system] 'D'=')'
   Call: (237) [system] 'D'=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _2081722)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _2083580)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (239) [system] 'D'=(;)
^  Call: (239) [user] is_like_space('D')
   Call: (240) [system] char_type('D', 'white')
   Call: (240) [system] char_type('D', end_of_line)
   Call: (240) [system] char_type('D', space)
   Call: (240) [system] char_type('D', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _2092048)
   Exit: (238) [system] get_char((0x56051b6b4f40), 'D')
   Call: (238) [system] 'D'='('
   Call: (238) [system] 'D'='['
   Call: (238) [system] 'D'='{'
   Call: (238) [system] 'D'='"'
   Call: (238) [system] 'D'=!
   Call: (238) [system] 'D'='\''
   Call: (238) [system] 'D'='`'
   Call: (238) [system] 'D'=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _9734)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _15136)
   Call: (240) [system] peek_char((0x56051b6b4f40), _16070)
   Exit: (240) [system] peek_char((0x56051b6b4f40), i)
^  Call: (240) [user] is_delimiter(i)
   Call: (241) [system] char_type(i, space)
   Call: (241) [system] arg(_19862, v('(', ')', end_of_file), i)
   Call: (240) [system] ')'==i
   Call: (240) [system] get_char((0x56051b6b4f40), i)
   Exit: (240) [system] get_char((0x56051b6b4f40), i)
   Call: (240) [system] i=(\)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _24432)
   Call: (241) [system] peek_char((0x56051b6b4f40), _25366)
   Exit: (241) [system] peek_char((0x56051b6b4f40), s)
^  Call: (241) [user] is_delimiter(s)
   Call: (242) [system] char_type(s, space)
   Call: (242) [system] arg(_29158, v('(', ')', end_of_file), s)
   Call: (241) [system] ')'==s
   Call: (241) [system] get_char((0x56051b6b4f40), s)
   Exit: (241) [system] get_char((0x56051b6b4f40), s)
   Call: (241) [system] s=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _33728)
   Call: (242) [system] peek_char((0x56051b6b4f40), _34662)
   Exit: (242) [system] peek_char((0x56051b6b4f40), j)
^  Call: (242) [user] is_delimiter(j)
   Call: (243) [system] char_type(j, space)
   Call: (243) [system] arg(_38454, v('(', ')', end_of_file), j)
   Call: (242) [system] ')'==j
   Call: (242) [system] get_char((0x56051b6b4f40), j)
   Exit: (242) [system] get_char((0x56051b6b4f40), j)
   Call: (242) [system] j=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _43024)
   Call: (243) [system] peek_char((0x56051b6b4f40), _43958)
   Exit: (243) [system] peek_char((0x56051b6b4f40), u)
^  Call: (243) [user] is_delimiter(u)
   Call: (244) [system] char_type(u, space)
   Call: (244) [system] arg(_47750, v('(', ')', end_of_file), u)
   Call: (243) [system] ')'==u
   Call: (243) [system] get_char((0x56051b6b4f40), u)
   Exit: (243) [system] get_char((0x56051b6b4f40), u)
   Call: (243) [system] u=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _52320)
   Call: (244) [system] peek_char((0x56051b6b4f40), _53254)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_57046, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _61616)
   Call: (245) [system] peek_char((0x56051b6b4f40), _62550)
   Exit: (245) [system] peek_char((0x56051b6b4f40), c)
^  Call: (245) [user] is_delimiter(c)
   Call: (246) [system] char_type(c, space)
   Call: (246) [system] arg(_66342, v('(', ')', end_of_file), c)
   Call: (245) [system] ')'==c
   Call: (245) [system] get_char((0x56051b6b4f40), c)
   Exit: (245) [system] get_char((0x56051b6b4f40), c)
   Call: (245) [system] c=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _70912)
   Call: (246) [system] peek_char((0x56051b6b4f40), _71846)
   Exit: (246) [system] peek_char((0x56051b6b4f40), t)
^  Call: (246) [user] is_delimiter(t)
   Call: (247) [system] char_type(t, space)
   Call: (247) [system] arg(_75638, v('(', ')', end_of_file), t)
   Call: (246) [system] ')'==t
   Call: (246) [system] get_char((0x56051b6b4f40), t)
   Exit: (246) [system] get_char((0x56051b6b4f40), t)
   Call: (246) [system] t=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _80208)
   Call: (247) [system] peek_char((0x56051b6b4f40), _81142)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_84934, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _89504)
   Call: (248) [system] peek_char((0x56051b6b4f40), _90438)
   Exit: (248) [system] peek_char((0x56051b6b4f40), o)
^  Call: (248) [user] is_delimiter(o)
   Call: (249) [system] char_type(o, space)
   Call: (249) [system] arg(_94230, v('(', ')', end_of_file), o)
   Call: (248) [system] ')'==o
   Call: (248) [system] get_char((0x56051b6b4f40), o)
   Exit: (248) [system] get_char((0x56051b6b4f40), o)
   Call: (248) [system] o=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _98800)
   Call: (249) [system] peek_char((0x56051b6b4f40), _99734)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_103526, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _108096)
   Call: (250) [system] peek_char((0x56051b6b4f40), _109030)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (250) [user] is_delimiter('I')
   Call: (251) [system] char_type('I', space)
   Call: (251) [system] arg(_112822, v('(', ')', end_of_file), 'I')
   Call: (250) [system] ')'=='I'
   Call: (250) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (250) [system] get_char((0x56051b6b4f40), 'I')
   Call: (250) [system] 'I'=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _117392)
   Call: (251) [system] peek_char((0x56051b6b4f40), _118326)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_122118, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _126688)
   Call: (252) [system] peek_char((0x56051b6b4f40), _127622)
   Exit: (252) [system] peek_char((0x56051b6b4f40), t)
^  Call: (252) [user] is_delimiter(t)
   Call: (253) [system] char_type(t, space)
   Call: (253) [system] arg(_131414, v('(', ')', end_of_file), t)
   Call: (252) [system] ')'==t
   Call: (252) [system] get_char((0x56051b6b4f40), t)
   Exit: (252) [system] get_char((0x56051b6b4f40), t)
   Call: (252) [system] t=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _135984)
   Call: (253) [system] peek_char((0x56051b6b4f40), _136918)
   Exit: (253) [system] peek_char((0x56051b6b4f40), r)
^  Call: (253) [user] is_delimiter(r)
   Call: (254) [system] char_type(r, space)
   Call: (254) [system] arg(_140710, v('(', ')', end_of_file), r)
   Call: (253) [system] ')'==r
   Call: (253) [system] get_char((0x56051b6b4f40), r)
   Exit: (253) [system] get_char((0x56051b6b4f40), r)
   Call: (253) [system] r=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _145280)
   Call: (254) [system] peek_char((0x56051b6b4f40), _146214)
   Exit: (254) [system] peek_char((0x56051b6b4f40), o)
^  Call: (254) [user] is_delimiter(o)
   Call: (255) [system] char_type(o, space)
   Call: (255) [system] arg(_150006, v('(', ')', end_of_file), o)
   Call: (254) [system] ')'==o
   Call: (254) [system] get_char((0x56051b6b4f40), o)
   Exit: (254) [system] get_char((0x56051b6b4f40), o)
   Call: (254) [system] o=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _154576)
   Call: (255) [system] peek_char((0x56051b6b4f40), _155510)
   Exit: (255) [system] peek_char((0x56051b6b4f40), d)
^  Call: (255) [user] is_delimiter(d)
   Call: (256) [system] char_type(d, space)
   Call: (256) [system] arg(_159302, v('(', ')', end_of_file), d)
   Call: (255) [system] ')'==d
   Call: (255) [system] get_char((0x56051b6b4f40), d)
   Exit: (255) [system] get_char((0x56051b6b4f40), d)
   Call: (255) [system] d=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _163872)
   Call: (256) [system] peek_char((0x56051b6b4f40), _164806)
   Exit: (256) [system] peek_char((0x56051b6b4f40), u)
^  Call: (256) [user] is_delimiter(u)
   Call: (257) [system] char_type(u, space)
   Call: (257) [system] arg(_168598, v('(', ')', end_of_file), u)
   Call: (256) [system] ')'==u
   Call: (256) [system] get_char((0x56051b6b4f40), u)
   Exit: (256) [system] get_char((0x56051b6b4f40), u)
   Call: (256) [system] u=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _173168)
   Call: (257) [system] peek_char((0x56051b6b4f40), _174102)
   Exit: (257) [system] peek_char((0x56051b6b4f40), c)
^  Call: (257) [user] is_delimiter(c)
   Call: (258) [system] char_type(c, space)
   Call: (258) [system] arg(_177894, v('(', ')', end_of_file), c)
   Call: (257) [system] ')'==c
   Call: (257) [system] get_char((0x56051b6b4f40), c)
   Exit: (257) [system] get_char((0x56051b6b4f40), c)
   Call: (257) [system] c=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _182464)
   Call: (258) [system] peek_char((0x56051b6b4f40), _183398)
   Exit: (258) [system] peek_char((0x56051b6b4f40), t)
^  Call: (258) [user] is_delimiter(t)
   Call: (259) [system] char_type(t, space)
   Call: (259) [system] arg(_187190, v('(', ')', end_of_file), t)
   Call: (258) [system] ')'==t
   Call: (258) [system] get_char((0x56051b6b4f40), t)
   Exit: (258) [system] get_char((0x56051b6b4f40), t)
   Call: (258) [system] t=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _191760)
   Call: (259) [system] peek_char((0x56051b6b4f40), _192694)
   Exit: (259) [system] peek_char((0x56051b6b4f40), i)
^  Call: (259) [user] is_delimiter(i)
   Call: (260) [system] char_type(i, space)
   Call: (260) [system] arg(_196486, v('(', ')', end_of_file), i)
   Call: (259) [system] ')'==i
   Call: (259) [system] get_char((0x56051b6b4f40), i)
   Exit: (259) [system] get_char((0x56051b6b4f40), i)
   Call: (259) [system] i=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _201056)
   Call: (260) [system] peek_char((0x56051b6b4f40), _201990)
   Exit: (260) [system] peek_char((0x56051b6b4f40), o)
^  Call: (260) [user] is_delimiter(o)
   Call: (261) [system] char_type(o, space)
   Call: (261) [system] arg(_205782, v('(', ')', end_of_file), o)
   Call: (260) [system] ')'==o
   Call: (260) [system] get_char((0x56051b6b4f40), o)
   Exit: (260) [system] get_char((0x56051b6b4f40), o)
   Call: (260) [system] o=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _210352)
   Call: (261) [system] peek_char((0x56051b6b4f40), _211286)
   Exit: (261) [system] peek_char((0x56051b6b4f40), n)
^  Call: (261) [user] is_delimiter(n)
   Call: (262) [system] char_type(n, space)
   Call: (262) [system] arg(_215078, v('(', ')', end_of_file), n)
   Call: (261) [system] ')'==n
   Call: (261) [system] get_char((0x56051b6b4f40), n)
   Exit: (261) [system] get_char((0x56051b6b4f40), n)
   Call: (261) [system] n=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _219648)
   Call: (262) [system] peek_char((0x56051b6b4f40), _220582)
   Exit: (262) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (262) [user] is_delimiter(' ')
   Call: (263) [system] char_type(' ', space)
   Exit: (263) [system] char_type(' ', space)
^  Exit: (262) [user] is_delimiter(' ')
   Call: (262) [system] _219648=[]
   Exit: (262) [system] []=[]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (261) [system] _210352=[n]
   Exit: (261) [system] [n]=[n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (260) [system] _201056=[o, n]
   Exit: (260) [system] [o, n]=[o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (259) [system] _191760=[i, o, n]
   Exit: (259) [system] [i, o, n]=[i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (258) [system] _182464=[t, i, o, n]
   Exit: (258) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (257) [system] _173168=[c, t, i, o, n]
   Exit: (257) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (256) [system] _163872=[u, c, t, i, o, n]
   Exit: (256) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (255) [system] _154576=[d, u, c, t, i, o, n]
   Exit: (255) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (254) [system] _145280=[o, d, u, c, t, i, o, n]
   Exit: (254) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (253) [system] _135984=[r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _126688=[t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _117392=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _108096=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _98800=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _89504=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _80208=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _70912=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _61616=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _52320=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _43024=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _33728=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _24432=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (240) [system] _15136=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (240) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (239) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9734)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_291360, _291362), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9734), _291336, fail)), '$restore_trace'(_291360, _291362))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_291360, _291362))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9734), _291336, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(_9734)
   Call: (240) [system] atom_chars(_9734, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (240) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (239) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _299812)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _301670)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _308480)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _311184)
   Exit: (240) [system] peek_char((0x56051b6b4f40), a)
   Call: (240) [system] a=(;)
^  Call: (240) [user] is_like_space(a)
   Call: (241) [system] char_type(a, 'white')
   Call: (241) [system] char_type(a, end_of_line)
   Call: (241) [system] char_type(a, space)
   Call: (241) [system] char_type(a, cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _320576)
   Exit: (238) [system] peek_char((0x56051b6b4f40), a)
   Call: (238) [system] a=')'
   Call: (238) [system] a=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _324290)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _326148)
   Exit: (240) [system] peek_char((0x56051b6b4f40), a)
   Call: (240) [system] a=(;)
^  Call: (240) [user] is_like_space(a)
   Call: (241) [system] char_type(a, 'white')
   Call: (241) [system] char_type(a, end_of_line)
   Call: (241) [system] char_type(a, space)
   Call: (241) [system] char_type(a, cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _334616)
   Exit: (239) [system] get_char((0x56051b6b4f40), a)
   Call: (239) [system] a='('
   Call: (239) [system] a='['
   Call: (239) [system] a='{'
   Call: (239) [system] a='"'
   Call: (239) [system] a=!
   Call: (239) [system] a='\''
   Call: (239) [system] a='`'
   Call: (239) [system] a=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), a, _324290)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _344834)
   Call: (241) [system] peek_char((0x56051b6b4f40), _345768)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _344834=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq(a, [], _324290)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_355078, _355080), once(user:catch(read_from_chars([a], _324290), _355054, fail)), '$restore_trace'(_355078, _355080))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_355078, _355080))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _355054, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(a)
   Exit: (241) [system] atomic(a)
^  Exit: (240) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _362578)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _364436)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _371246)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _373950)
   Exit: (241) [system] peek_char((0x56051b6b4f40), a)
   Call: (241) [system] a=(;)
^  Call: (241) [user] is_like_space(a)
   Call: (242) [system] char_type(a, 'white')
   Call: (242) [system] char_type(a, end_of_line)
   Call: (242) [system] char_type(a, space)
   Call: (242) [system] char_type(a, cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _383342)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=')'
   Call: (239) [system] a=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _387056)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _388914)
   Exit: (241) [system] peek_char((0x56051b6b4f40), a)
   Call: (241) [system] a=(;)
^  Call: (241) [user] is_like_space(a)
   Call: (242) [system] char_type(a, 'white')
   Call: (242) [system] char_type(a, end_of_line)
   Call: (242) [system] char_type(a, space)
   Call: (242) [system] char_type(a, cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _397382)
   Exit: (240) [system] get_char((0x56051b6b4f40), a)
   Call: (240) [system] a='('
   Call: (240) [system] a='['
   Call: (240) [system] a='{'
   Call: (240) [system] a='"'
   Call: (240) [system] a=!
   Call: (240) [system] a='\''
   Call: (240) [system] a='`'
   Call: (240) [system] a=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), a, _387056)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _407600)
   Call: (242) [system] peek_char((0x56051b6b4f40), _408534)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (242) [user] is_delimiter(')')
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] arg(_412326, v('(', ')', end_of_file), ')')
   Exit: (243) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (242) [user] is_delimiter(')')
   Call: (242) [system] _407600=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq(a, [], _387056)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_418788, _418790), once(user:catch(read_from_chars([a], _387056), _418764, fail)), '$restore_trace'(_418788, _418790))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_418788, _418790))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _418764, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(a)
   Exit: (242) [system] atomic(a)
^  Exit: (241) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _426288)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _428146)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=(;)
^  Call: (241) [user] is_like_space(')')
   Call: (242) [system] char_type(')', 'white')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] char_type(')', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _436614)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=')'
   Exit: (240) [system] ')'=')'
   Call: (240) [system] get_char((0x56051b6b4f40), _440404)
   Exit: (240) [system] get_char((0x56051b6b4f40), ')')
   Call: (240) [system] _426288=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (239) [system] _362578=[a]
   Exit: (239) [system] [a]=[a]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (238) [system] _299812=[a, a]
   Exit: (238) [system] [a, a]=[a, a]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (237) [system] _9728=['DisjunctionIntroduction', a, a]
   Exit: (237) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _454286)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _456144)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _462954)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _465658)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _475050)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=')'
   Call: (236) [system] '('=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _478764)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _480622)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _489090)
   Exit: (237) [system] get_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('='('
   Exit: (237) [system] '('='('
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _478764)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _494660)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (239) [system] 'O'=(;)
^  Call: (239) [user] is_like_space('O')
   Call: (240) [system] char_type('O', 'white')
   Call: (240) [system] char_type('O', end_of_line)
   Call: (240) [system] char_type('O', space)
   Call: (240) [system] char_type('O', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _503128)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (238) [system] 'O'=')'
   Call: (238) [system] 'O'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _506842)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _508700)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (240) [system] 'O'=(;)
^  Call: (240) [user] is_like_space('O')
   Call: (241) [system] char_type('O', 'white')
   Call: (241) [system] char_type('O', end_of_line)
   Call: (241) [system] char_type('O', space)
   Call: (241) [system] char_type('O', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _517168)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'O')
   Call: (239) [system] 'O'='('
   Call: (239) [system] 'O'='['
   Call: (239) [system] 'O'='{'
   Call: (239) [system] 'O'='"'
   Call: (239) [system] 'O'=!
   Call: (239) [system] 'O'='\''
   Call: (239) [system] 'O'='`'
   Call: (239) [system] 'O'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _506842)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _527386)
   Call: (241) [system] peek_char((0x56051b6b4f40), _528320)
   Exit: (241) [system] peek_char((0x56051b6b4f40), r)
^  Call: (241) [user] is_delimiter(r)
   Call: (242) [system] char_type(r, space)
   Call: (242) [system] arg(_532112, v('(', ')', end_of_file), r)
   Call: (241) [system] ')'==r
   Call: (241) [system] get_char((0x56051b6b4f40), r)
   Exit: (241) [system] get_char((0x56051b6b4f40), r)
   Call: (241) [system] r=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _536682)
   Call: (242) [system] peek_char((0x56051b6b4f40), _537616)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (242) [user] is_delimiter('L')
   Call: (243) [system] char_type('L', space)
   Call: (243) [system] arg(_541408, v('(', ')', end_of_file), 'L')
   Call: (242) [system] ')'=='L'
   Call: (242) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (242) [system] get_char((0x56051b6b4f40), 'L')
   Call: (242) [system] 'L'=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _545978)
   Call: (243) [system] peek_char((0x56051b6b4f40), _546912)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_550704, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _555274)
   Call: (244) [system] peek_char((0x56051b6b4f40), _556208)
   Exit: (244) [system] peek_char((0x56051b6b4f40), n)
^  Call: (244) [user] is_delimiter(n)
   Call: (245) [system] char_type(n, space)
   Call: (245) [system] arg(_560000, v('(', ')', end_of_file), n)
   Call: (244) [system] ')'==n
   Call: (244) [system] get_char((0x56051b6b4f40), n)
   Exit: (244) [system] get_char((0x56051b6b4f40), n)
   Call: (244) [system] n=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _564570)
   Call: (245) [system] peek_char((0x56051b6b4f40), _565504)
   Exit: (245) [system] peek_char((0x56051b6b4f40), k)
^  Call: (245) [user] is_delimiter(k)
   Call: (246) [system] char_type(k, space)
   Call: (246) [system] arg(_569296, v('(', ')', end_of_file), k)
   Call: (245) [system] ')'==k
   Call: (245) [system] get_char((0x56051b6b4f40), k)
   Exit: (245) [system] get_char((0x56051b6b4f40), k)
   Call: (245) [system] k=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _573866)
   Call: (246) [system] peek_char((0x56051b6b4f40), _574800)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _573866=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (245) [system] _564570=[k]
   Exit: (245) [system] [k]=[k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (244) [system] _555274=[n, k]
   Exit: (244) [system] [n, k]=[n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (243) [system] _545978=[i, n, k]
   Exit: (243) [system] [i, n, k]=[i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (242) [system] _536682=['L', i, n, k]
   Exit: (242) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (241) [system] _527386=[r, 'L', i, n, k]
   Exit: (241) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (240) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _506842)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_598080, _598082), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _506842), _598056, fail)), '$restore_trace'(_598080, _598082))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_598080, _598082))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _506842), _598056, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_506842)
   Call: (241) [system] atom_chars(_506842, ['O', r, 'L', i, n, k])
   Exit: (241) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (240) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _606532)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _608390)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _615200)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _617904)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (241) [system] 'B'=(;)
^  Call: (241) [user] is_like_space('B')
   Call: (242) [system] char_type('B', 'white')
   Call: (242) [system] char_type('B', end_of_line)
   Call: (242) [system] char_type('B', space)
   Call: (242) [system] char_type('B', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _627296)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (239) [system] 'B'=')'
   Call: (239) [system] 'B'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _631010)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _632868)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (241) [system] 'B'=(;)
^  Call: (241) [user] is_like_space('B')
   Call: (242) [system] char_type('B', 'white')
   Call: (242) [system] char_type('B', end_of_line)
   Call: (242) [system] char_type('B', space)
   Call: (242) [system] char_type('B', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _641336)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'='('
   Call: (240) [system] 'B'='['
   Call: (240) [system] 'B'='{'
   Call: (240) [system] 'B'='"'
   Call: (240) [system] 'B'=!
   Call: (240) [system] 'B'='\''
   Call: (240) [system] 'B'='`'
   Call: (240) [system] 'B'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _631010)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _651554)
   Call: (242) [system] peek_char((0x56051b6b4f40), _652488)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _651554=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq('B', [], _631010)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_661798, _661800), once(user:catch(read_from_chars(['B'], _631010), _661774, fail)), '$restore_trace'(_661798, _661800))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_661798, _661800))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _631010), _661774, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_631010)
   Call: (242) [system] atom_chars(_631010, ['B'])
   Exit: (242) [system] atom_chars('B', ['B'])
^  Exit: (241) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _670250)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _672108)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _678918)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _681622)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (242) [system] 'A'=(;)
^  Call: (242) [user] is_like_space('A')
   Call: (243) [system] char_type('A', 'white')
   Call: (243) [system] char_type('A', end_of_line)
   Call: (243) [system] char_type('A', space)
   Call: (243) [system] char_type('A', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _691014)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (240) [system] 'A'=')'
   Call: (240) [system] 'A'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _694728)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _696586)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (242) [system] 'A'=(;)
^  Call: (242) [user] is_like_space('A')
   Call: (243) [system] char_type('A', 'white')
   Call: (243) [system] char_type('A', end_of_line)
   Call: (243) [system] char_type('A', space)
   Call: (243) [system] char_type('A', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _705054)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'A')
   Call: (241) [system] 'A'='('
   Call: (241) [system] 'A'='['
   Call: (241) [system] 'A'='{'
   Call: (241) [system] 'A'='"'
   Call: (241) [system] 'A'=!
   Call: (241) [system] 'A'='\''
   Call: (241) [system] 'A'='`'
   Call: (241) [system] 'A'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _694728)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _715272)
   Call: (243) [system] peek_char((0x56051b6b4f40), _716206)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (243) [user] is_delimiter(')')
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] arg(_719998, v('(', ')', end_of_file), ')')
   Exit: (244) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (243) [user] is_delimiter(')')
   Call: (243) [system] _715272=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (242) [user] classify_and_convert_charseq('A', [], _694728)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_726460, _726462), once(user:catch(read_from_chars(['A'], _694728), _726436, fail)), '$restore_trace'(_726460, _726462))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_726460, _726462))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _694728), _726436, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_694728)
   Call: (243) [system] atom_chars(_694728, ['A'])
   Exit: (243) [system] atom_chars('A', ['A'])
^  Exit: (242) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _734912)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _736770)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=(;)
^  Call: (242) [user] is_like_space(')')
   Call: (243) [system] char_type(')', 'white')
   Call: (243) [system] char_type(')', end_of_line)
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] char_type(')', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _745238)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=')'
   Exit: (241) [system] ')'=')'
   Call: (241) [system] get_char((0x56051b6b4f40), _749028)
   Exit: (241) [system] get_char((0x56051b6b4f40), ')')
   Call: (241) [system] _734912=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (240) [system] _670250=['A']
   Exit: (240) [system] ['A']=['A']
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (239) [system] _606532=['B', 'A']
   Exit: (239) [system] ['B', 'A']=['B', 'A']
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['B', 'A'])
   Call: (238) [system] _478764=['OrLink', 'B', 'A']
   Exit: (238) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', 'A'])
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', 'A'])
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _762910)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _764768)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=(;)
^  Call: (238) [user] is_like_space(')')
   Call: (239) [system] char_type(')', 'white')
   Call: (239) [system] char_type(')', end_of_line)
   Call: (239) [system] char_type(')', space)
   Call: (239) [system] char_type(')', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _773236)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ')')
   Call: (237) [system] ')'=')'
   Exit: (237) [system] ')'=')'
   Call: (237) [system] get_char((0x56051b6b4f40), _777026)
   Exit: (237) [system] get_char((0x56051b6b4f40), ')')
   Call: (237) [system] _762910=[]
   Exit: (237) [system] []=[]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (236) [system] _454286=[['OrLink', 'B', 'A']]
   Exit: (236) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', 'A']])
   Call: (235) [system] _9724=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (235) [system] [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
   Call: (234) [system] _9716=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
   Exit: (234) [system] [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]=[:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']]
^  Exit: (233) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Exit: (232) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, a], ['OrLink', 'B', 'A']])
^  Call: (232) [user] read_list(')', (0x56051b6b4f40), _790908)
^  Call: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _792766)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (234) [system] '\n'=(;)
^  Call: (234) [user] is_like_space('\n')
   Call: (235) [system] char_type('\n', 'white')
   Call: (235) [system] char_type('\n', end_of_line)
   Exit: (235) [system] char_type('\n', end_of_line)
^  Exit: (234) [user] is_like_space('\n')
   Call: (234) [system] get_char((0x56051b6b4f40), _800382)
   Exit: (234) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _803086)
   Exit: (235) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (235) [system] ' '=(;)
^  Call: (235) [user] is_like_space(' ')
   Call: (236) [system] char_type(' ', 'white')
   Exit: (236) [system] char_type(' ', 'white')
^  Exit: (235) [user] is_like_space(' ')
   Call: (235) [system] get_char((0x56051b6b4f40), _809896)
   Exit: (235) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _812600)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (233) [user] skip_spaces((0x56051b6b4f40))
   Call: (233) [system] peek_char((0x56051b6b4f40), _822916)
   Exit: (233) [system] peek_char((0x56051b6b4f40), '(')
   Call: (233) [system] '('=')'
   Call: (233) [system] '('=end_of_file
^  Call: (233) [user] cont_sexpr(')', (0x56051b6b4f40), _826630)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _828488)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=(;)
^  Call: (235) [user] is_like_space('(')
   Call: (236) [system] char_type('(', 'white')
   Call: (236) [system] char_type('(', end_of_line)
   Call: (236) [system] char_type('(', space)
   Call: (236) [system] char_type('(', cntrl)
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] get_char((0x56051b6b4f40), _836956)
   Exit: (234) [system] get_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('='('
   Exit: (234) [system] '('='('
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _826630)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _842526)
   Exit: (236) [system] peek_char((0x56051b6b4f40), :)
   Call: (236) [system] (:)=(;)
^  Call: (236) [user] is_like_space(:)
   Call: (237) [system] char_type(:, 'white')
   Call: (237) [system] char_type(:, end_of_line)
   Call: (237) [system] char_type(:, space)
   Call: (237) [system] char_type(:, cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _850994)
   Exit: (235) [system] peek_char((0x56051b6b4f40), :)
   Call: (235) [system] (:)=')'
   Call: (235) [system] (:)=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _854708)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _856566)
   Exit: (237) [system] peek_char((0x56051b6b4f40), :)
   Call: (237) [system] (:)=(;)
^  Call: (237) [user] is_like_space(:)
   Call: (238) [system] char_type(:, 'white')
   Call: (238) [system] char_type(:, end_of_line)
   Call: (238) [system] char_type(:, space)
   Call: (238) [system] char_type(:, cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _865034)
   Exit: (236) [system] get_char((0x56051b6b4f40), :)
   Call: (236) [system] (:)='('
   Call: (236) [system] (:)='['
   Call: (236) [system] (:)='{'
   Call: (236) [system] (:)='"'
   Call: (236) [system] (:)=!
   Call: (236) [system] (:)='\''
   Call: (236) [system] (:)='`'
   Call: (236) [system] (:)=end_of_file
^  Call: (236) [user] read_symbolic(')', (0x56051b6b4f40), :, _854708)
^  Call: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), _875252)
   Call: (238) [system] peek_char((0x56051b6b4f40), _876186)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] is_delimiter(' ')
   Call: (239) [system] char_type(' ', space)
   Exit: (239) [system] char_type(' ', space)
^  Exit: (238) [user] is_delimiter(' ')
   Call: (238) [system] _875252=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (237) [user] classify_and_convert_charseq(:, [], _854708)
^  Call: (239) [system] setup_call_cleanup('$notrace'(_885496, _885498), once(user:catch(read_from_chars([:], _854708), _885472, fail)), '$restore_trace'(_885496, _885498))
^  Call: (240) [system] sig_atomic(system:'$notrace'(_885496, _885498))
^  Exit: (239) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _885472, fail)), system:'$restore_trace'(3, -1))
   Call: (238) [system] atomic(:)
   Exit: (238) [system] atomic(:)
^  Exit: (237) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (236) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _892996)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _894854)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _901664)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _904368)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _913760)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=')'
   Call: (236) [system] '('=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _917474)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _919332)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _927800)
   Exit: (237) [system] get_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('='('
   Exit: (237) [system] '('='('
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _917474)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _933370)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (239) [system] 'D'=(;)
^  Call: (239) [user] is_like_space('D')
   Call: (240) [system] char_type('D', 'white')
   Call: (240) [system] char_type('D', end_of_line)
   Call: (240) [system] char_type('D', space)
   Call: (240) [system] char_type('D', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _941838)
   Exit: (238) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (238) [system] 'D'=')'
   Call: (238) [system] 'D'=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _945552)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _947410)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (240) [system] 'D'=(;)
^  Call: (240) [user] is_like_space('D')
   Call: (241) [system] char_type('D', 'white')
   Call: (241) [system] char_type('D', end_of_line)
   Call: (241) [system] char_type('D', space)
   Call: (241) [system] char_type('D', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _955878)
   Exit: (239) [system] get_char((0x56051b6b4f40), 'D')
   Call: (239) [system] 'D'='('
   Call: (239) [system] 'D'='['
   Call: (239) [system] 'D'='{'
   Call: (239) [system] 'D'='"'
   Call: (239) [system] 'D'=!
   Call: (239) [system] 'D'='\''
   Call: (239) [system] 'D'='`'
   Call: (239) [system] 'D'=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _945552)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _966096)
   Call: (241) [system] peek_char((0x56051b6b4f40), _967030)
   Exit: (241) [system] peek_char((0x56051b6b4f40), i)
^  Call: (241) [user] is_delimiter(i)
   Call: (242) [system] char_type(i, space)
   Call: (242) [system] arg(_970822, v('(', ')', end_of_file), i)
   Call: (241) [system] ')'==i
   Call: (241) [system] get_char((0x56051b6b4f40), i)
   Exit: (241) [system] get_char((0x56051b6b4f40), i)
   Call: (241) [system] i=(\)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _975392)
   Call: (242) [system] peek_char((0x56051b6b4f40), _976326)
   Exit: (242) [system] peek_char((0x56051b6b4f40), s)
^  Call: (242) [user] is_delimiter(s)
   Call: (243) [system] char_type(s, space)
   Call: (243) [system] arg(_980118, v('(', ')', end_of_file), s)
   Call: (242) [system] ')'==s
   Call: (242) [system] get_char((0x56051b6b4f40), s)
   Exit: (242) [system] get_char((0x56051b6b4f40), s)
   Call: (242) [system] s=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _984688)
   Call: (243) [system] peek_char((0x56051b6b4f40), _985622)
   Exit: (243) [system] peek_char((0x56051b6b4f40), j)
^  Call: (243) [user] is_delimiter(j)
   Call: (244) [system] char_type(j, space)
   Call: (244) [system] arg(_989414, v('(', ')', end_of_file), j)
   Call: (243) [system] ')'==j
   Call: (243) [system] get_char((0x56051b6b4f40), j)
   Exit: (243) [system] get_char((0x56051b6b4f40), j)
   Call: (243) [system] j=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _993984)
   Call: (244) [system] peek_char((0x56051b6b4f40), _994918)
   Exit: (244) [system] peek_char((0x56051b6b4f40), u)
^  Call: (244) [user] is_delimiter(u)
   Call: (245) [system] char_type(u, space)
   Call: (245) [system] arg(_998710, v('(', ')', end_of_file), u)
   Call: (244) [system] ')'==u
   Call: (244) [system] get_char((0x56051b6b4f40), u)
   Exit: (244) [system] get_char((0x56051b6b4f40), u)
   Call: (244) [system] u=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1003280)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1004214)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_1008006, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1012576)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1013510)
   Exit: (246) [system] peek_char((0x56051b6b4f40), c)
^  Call: (246) [user] is_delimiter(c)
   Call: (247) [system] char_type(c, space)
   Call: (247) [system] arg(_1017302, v('(', ')', end_of_file), c)
   Call: (246) [system] ')'==c
   Call: (246) [system] get_char((0x56051b6b4f40), c)
   Exit: (246) [system] get_char((0x56051b6b4f40), c)
   Call: (246) [system] c=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1021872)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1022806)
   Exit: (247) [system] peek_char((0x56051b6b4f40), t)
^  Call: (247) [user] is_delimiter(t)
   Call: (248) [system] char_type(t, space)
   Call: (248) [system] arg(_1026598, v('(', ')', end_of_file), t)
   Call: (247) [system] ')'==t
   Call: (247) [system] get_char((0x56051b6b4f40), t)
   Exit: (247) [system] get_char((0x56051b6b4f40), t)
   Call: (247) [system] t=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1031168)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1032102)
   Exit: (248) [system] peek_char((0x56051b6b4f40), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_1035894, v('(', ')', end_of_file), i)
   Call: (248) [system] ')'==i
   Call: (248) [system] get_char((0x56051b6b4f40), i)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1040464)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1041398)
   Exit: (249) [system] peek_char((0x56051b6b4f40), o)
^  Call: (249) [user] is_delimiter(o)
   Call: (250) [system] char_type(o, space)
   Call: (250) [system] arg(_1045190, v('(', ')', end_of_file), o)
   Call: (249) [system] ')'==o
   Call: (249) [system] get_char((0x56051b6b4f40), o)
   Exit: (249) [system] get_char((0x56051b6b4f40), o)
   Call: (249) [system] o=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1049760)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1050694)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_1054486, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1059056)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1059990)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (251) [user] is_delimiter('I')
   Call: (252) [system] char_type('I', space)
   Call: (252) [system] arg(_1063782, v('(', ')', end_of_file), 'I')
   Call: (251) [system] ')'=='I'
   Call: (251) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (251) [system] get_char((0x56051b6b4f40), 'I')
   Call: (251) [system] 'I'=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1068352)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1069286)
   Exit: (252) [system] peek_char((0x56051b6b4f40), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_1073078, v('(', ')', end_of_file), n)
   Call: (252) [system] ')'==n
   Call: (252) [system] get_char((0x56051b6b4f40), n)
   Exit: (252) [system] get_char((0x56051b6b4f40), n)
   Call: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1077648)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1078582)
   Exit: (253) [system] peek_char((0x56051b6b4f40), t)
^  Call: (253) [user] is_delimiter(t)
   Call: (254) [system] char_type(t, space)
   Call: (254) [system] arg(_1082374, v('(', ')', end_of_file), t)
   Call: (253) [system] ')'==t
   Call: (253) [system] get_char((0x56051b6b4f40), t)
   Exit: (253) [system] get_char((0x56051b6b4f40), t)
   Call: (253) [system] t=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1086944)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1087878)
   Exit: (254) [system] peek_char((0x56051b6b4f40), r)
^  Call: (254) [user] is_delimiter(r)
   Call: (255) [system] char_type(r, space)
   Call: (255) [system] arg(_1091670, v('(', ')', end_of_file), r)
   Call: (254) [system] ')'==r
   Call: (254) [system] get_char((0x56051b6b4f40), r)
   Exit: (254) [system] get_char((0x56051b6b4f40), r)
   Call: (254) [system] r=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1096240)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1097174)
   Exit: (255) [system] peek_char((0x56051b6b4f40), o)
^  Call: (255) [user] is_delimiter(o)
   Call: (256) [system] char_type(o, space)
   Call: (256) [system] arg(_1100966, v('(', ')', end_of_file), o)
   Call: (255) [system] ')'==o
   Call: (255) [system] get_char((0x56051b6b4f40), o)
   Exit: (255) [system] get_char((0x56051b6b4f40), o)
   Call: (255) [system] o=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1105536)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1106470)
   Exit: (256) [system] peek_char((0x56051b6b4f40), d)
^  Call: (256) [user] is_delimiter(d)
   Call: (257) [system] char_type(d, space)
   Call: (257) [system] arg(_1110262, v('(', ')', end_of_file), d)
   Call: (256) [system] ')'==d
   Call: (256) [system] get_char((0x56051b6b4f40), d)
   Exit: (256) [system] get_char((0x56051b6b4f40), d)
   Call: (256) [system] d=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1114832)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1115766)
   Exit: (257) [system] peek_char((0x56051b6b4f40), u)
^  Call: (257) [user] is_delimiter(u)
   Call: (258) [system] char_type(u, space)
   Call: (258) [system] arg(_1119558, v('(', ')', end_of_file), u)
   Call: (257) [system] ')'==u
   Call: (257) [system] get_char((0x56051b6b4f40), u)
   Exit: (257) [system] get_char((0x56051b6b4f40), u)
   Call: (257) [system] u=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1124128)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1125062)
   Exit: (258) [system] peek_char((0x56051b6b4f40), c)
^  Call: (258) [user] is_delimiter(c)
   Call: (259) [system] char_type(c, space)
   Call: (259) [system] arg(_1128854, v('(', ')', end_of_file), c)
   Call: (258) [system] ')'==c
   Call: (258) [system] get_char((0x56051b6b4f40), c)
   Exit: (258) [system] get_char((0x56051b6b4f40), c)
   Call: (258) [system] c=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1133424)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1134358)
   Exit: (259) [system] peek_char((0x56051b6b4f40), t)
^  Call: (259) [user] is_delimiter(t)
   Call: (260) [system] char_type(t, space)
   Call: (260) [system] arg(_1138150, v('(', ')', end_of_file), t)
   Call: (259) [system] ')'==t
   Call: (259) [system] get_char((0x56051b6b4f40), t)
   Exit: (259) [system] get_char((0x56051b6b4f40), t)
   Call: (259) [system] t=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1142720)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1143654)
   Exit: (260) [system] peek_char((0x56051b6b4f40), i)
^  Call: (260) [user] is_delimiter(i)
   Call: (261) [system] char_type(i, space)
   Call: (261) [system] arg(_1147446, v('(', ')', end_of_file), i)
   Call: (260) [system] ')'==i
   Call: (260) [system] get_char((0x56051b6b4f40), i)
   Exit: (260) [system] get_char((0x56051b6b4f40), i)
   Call: (260) [system] i=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1152016)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1152950)
   Exit: (261) [system] peek_char((0x56051b6b4f40), o)
^  Call: (261) [user] is_delimiter(o)
   Call: (262) [system] char_type(o, space)
   Call: (262) [system] arg(_1156742, v('(', ')', end_of_file), o)
   Call: (261) [system] ')'==o
   Call: (261) [system] get_char((0x56051b6b4f40), o)
   Exit: (261) [system] get_char((0x56051b6b4f40), o)
   Call: (261) [system] o=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1161312)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1162246)
   Exit: (262) [system] peek_char((0x56051b6b4f40), n)
^  Call: (262) [user] is_delimiter(n)
   Call: (263) [system] char_type(n, space)
   Call: (263) [system] arg(_1166038, v('(', ')', end_of_file), n)
   Call: (262) [system] ')'==n
   Call: (262) [system] get_char((0x56051b6b4f40), n)
   Exit: (262) [system] get_char((0x56051b6b4f40), n)
   Call: (262) [system] n=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1170608)
   Call: (263) [system] peek_char((0x56051b6b4f40), _1171542)
   Exit: (263) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (263) [user] is_delimiter(' ')
   Call: (264) [system] char_type(' ', space)
   Exit: (264) [system] char_type(' ', space)
^  Exit: (263) [user] is_delimiter(' ')
   Call: (263) [system] _1170608=[]
   Exit: (263) [system] []=[]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (262) [system] _1161312=[n]
   Exit: (262) [system] [n]=[n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (261) [system] _1152016=[o, n]
   Exit: (261) [system] [o, n]=[o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (260) [system] _1142720=[i, o, n]
   Exit: (260) [system] [i, o, n]=[i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (259) [system] _1133424=[t, i, o, n]
   Exit: (259) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (258) [system] _1124128=[c, t, i, o, n]
   Exit: (258) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (257) [system] _1114832=[u, c, t, i, o, n]
   Exit: (257) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (256) [system] _1105536=[d, u, c, t, i, o, n]
   Exit: (256) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (255) [system] _1096240=[o, d, u, c, t, i, o, n]
   Exit: (255) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (254) [system] _1086944=[r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _1077648=[t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _1068352=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _1059056=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _1049760=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _1040464=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _1031168=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _1021872=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _1012576=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1003280=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _993984=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _984688=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _975392=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (241) [system] _966096=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (241) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (240) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _945552)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_1242320, _1242322), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _945552), _1242296, fail)), '$restore_trace'(_1242320, _1242322))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_1242320, _1242322))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _945552), _1242296, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(_945552)
   Call: (241) [system] atom_chars(_945552, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (241) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (240) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1250772)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1252630)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _1259440)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1262144)
   Exit: (241) [system] peek_char((0x56051b6b4f40), a)
   Call: (241) [system] a=(;)
^  Call: (241) [user] is_like_space(a)
   Call: (242) [system] char_type(a, 'white')
   Call: (242) [system] char_type(a, end_of_line)
   Call: (242) [system] char_type(a, space)
   Call: (242) [system] char_type(a, cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1271536)
   Exit: (239) [system] peek_char((0x56051b6b4f40), a)
   Call: (239) [system] a=')'
   Call: (239) [system] a=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _1275250)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1277108)
   Exit: (241) [system] peek_char((0x56051b6b4f40), a)
   Call: (241) [system] a=(;)
^  Call: (241) [user] is_like_space(a)
   Call: (242) [system] char_type(a, 'white')
   Call: (242) [system] char_type(a, end_of_line)
   Call: (242) [system] char_type(a, space)
   Call: (242) [system] char_type(a, cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _1285576)
   Exit: (240) [system] get_char((0x56051b6b4f40), a)
   Call: (240) [system] a='('
   Call: (240) [system] a='['
   Call: (240) [system] a='{'
   Call: (240) [system] a='"'
   Call: (240) [system] a=!
   Call: (240) [system] a='\''
   Call: (240) [system] a='`'
   Call: (240) [system] a=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), a, _1275250)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1295794)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1296728)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _1295794=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq(a, [], _1275250)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_1306038, _1306040), once(user:catch(read_from_chars([a], _1275250), _1306014, fail)), '$restore_trace'(_1306038, _1306040))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_1306038, _1306040))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1306014, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(a)
   Exit: (242) [system] atomic(a)
^  Exit: (241) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1313538)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1315396)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _1322206)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1324910)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1334302)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=')'
   Call: (240) [system] '('=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _1338016)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1339874)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _1348342)
   Exit: (241) [system] get_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('='('
   Exit: (241) [system] '('='('
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _1338016)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1353912)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'=(;)
^  Call: (243) [user] is_like_space('D')
   Call: (244) [system] char_type('D', 'white')
   Call: (244) [system] char_type('D', end_of_line)
   Call: (244) [system] char_type('D', space)
   Call: (244) [system] char_type('D', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1362380)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (242) [system] 'D'=')'
   Call: (242) [system] 'D'=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _1366094)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1367952)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'=(;)
^  Call: (244) [user] is_like_space('D')
   Call: (245) [system] char_type('D', 'white')
   Call: (245) [system] char_type('D', end_of_line)
   Call: (245) [system] char_type('D', space)
   Call: (245) [system] char_type('D', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _1376420)
   Exit: (243) [system] get_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'='('
   Call: (243) [system] 'D'='['
   Call: (243) [system] 'D'='{'
   Call: (243) [system] 'D'='"'
   Call: (243) [system] 'D'=!
   Call: (243) [system] 'D'='\''
   Call: (243) [system] 'D'='`'
   Call: (243) [system] 'D'=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1366094)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1386638)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1387572)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_1391364, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1395934)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1396868)
   Exit: (246) [system] peek_char((0x56051b6b4f40), s)
^  Call: (246) [user] is_delimiter(s)
   Call: (247) [system] char_type(s, space)
   Call: (247) [system] arg(_1400660, v('(', ')', end_of_file), s)
   Call: (246) [system] ')'==s
   Call: (246) [system] get_char((0x56051b6b4f40), s)
   Exit: (246) [system] get_char((0x56051b6b4f40), s)
   Call: (246) [system] s=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1405230)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1406164)
   Exit: (247) [system] peek_char((0x56051b6b4f40), j)
^  Call: (247) [user] is_delimiter(j)
   Call: (248) [system] char_type(j, space)
   Call: (248) [system] arg(_1409956, v('(', ')', end_of_file), j)
   Call: (247) [system] ')'==j
   Call: (247) [system] get_char((0x56051b6b4f40), j)
   Exit: (247) [system] get_char((0x56051b6b4f40), j)
   Call: (247) [system] j=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1414526)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1415460)
   Exit: (248) [system] peek_char((0x56051b6b4f40), u)
^  Call: (248) [user] is_delimiter(u)
   Call: (249) [system] char_type(u, space)
   Call: (249) [system] arg(_1419252, v('(', ')', end_of_file), u)
   Call: (248) [system] ')'==u
   Call: (248) [system] get_char((0x56051b6b4f40), u)
   Exit: (248) [system] get_char((0x56051b6b4f40), u)
   Call: (248) [system] u=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1423822)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1424756)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_1428548, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1433118)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1434052)
   Exit: (250) [system] peek_char((0x56051b6b4f40), c)
^  Call: (250) [user] is_delimiter(c)
   Call: (251) [system] char_type(c, space)
   Call: (251) [system] arg(_1437844, v('(', ')', end_of_file), c)
   Call: (250) [system] ')'==c
   Call: (250) [system] get_char((0x56051b6b4f40), c)
   Exit: (250) [system] get_char((0x56051b6b4f40), c)
   Call: (250) [system] c=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1442414)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1443348)
   Exit: (251) [system] peek_char((0x56051b6b4f40), t)
^  Call: (251) [user] is_delimiter(t)
   Call: (252) [system] char_type(t, space)
   Call: (252) [system] arg(_1447140, v('(', ')', end_of_file), t)
   Call: (251) [system] ')'==t
   Call: (251) [system] get_char((0x56051b6b4f40), t)
   Exit: (251) [system] get_char((0x56051b6b4f40), t)
   Call: (251) [system] t=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1451710)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1452644)
   Exit: (252) [system] peek_char((0x56051b6b4f40), i)
^  Call: (252) [user] is_delimiter(i)
   Call: (253) [system] char_type(i, space)
   Call: (253) [system] arg(_1456436, v('(', ')', end_of_file), i)
   Call: (252) [system] ')'==i
   Call: (252) [system] get_char((0x56051b6b4f40), i)
   Exit: (252) [system] get_char((0x56051b6b4f40), i)
   Call: (252) [system] i=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1461006)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1461940)
   Exit: (253) [system] peek_char((0x56051b6b4f40), o)
^  Call: (253) [user] is_delimiter(o)
   Call: (254) [system] char_type(o, space)
   Call: (254) [system] arg(_1465732, v('(', ')', end_of_file), o)
   Call: (253) [system] ')'==o
   Call: (253) [system] get_char((0x56051b6b4f40), o)
   Exit: (253) [system] get_char((0x56051b6b4f40), o)
   Call: (253) [system] o=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1470302)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1471236)
   Exit: (254) [system] peek_char((0x56051b6b4f40), n)
^  Call: (254) [user] is_delimiter(n)
   Call: (255) [system] char_type(n, space)
   Call: (255) [system] arg(_1475028, v('(', ')', end_of_file), n)
   Call: (254) [system] ')'==n
   Call: (254) [system] get_char((0x56051b6b4f40), n)
   Exit: (254) [system] get_char((0x56051b6b4f40), n)
   Call: (254) [system] n=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1479598)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1480532)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (255) [user] is_delimiter('I')
   Call: (256) [system] char_type('I', space)
   Call: (256) [system] arg(_1484324, v('(', ')', end_of_file), 'I')
   Call: (255) [system] ')'=='I'
   Call: (255) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (255) [system] get_char((0x56051b6b4f40), 'I')
   Call: (255) [system] 'I'=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1488894)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1489828)
   Exit: (256) [system] peek_char((0x56051b6b4f40), n)
^  Call: (256) [user] is_delimiter(n)
   Call: (257) [system] char_type(n, space)
   Call: (257) [system] arg(_1493620, v('(', ')', end_of_file), n)
   Call: (256) [system] ')'==n
   Call: (256) [system] get_char((0x56051b6b4f40), n)
   Exit: (256) [system] get_char((0x56051b6b4f40), n)
   Call: (256) [system] n=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1498190)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1499124)
   Exit: (257) [system] peek_char((0x56051b6b4f40), t)
^  Call: (257) [user] is_delimiter(t)
   Call: (258) [system] char_type(t, space)
   Call: (258) [system] arg(_1502916, v('(', ')', end_of_file), t)
   Call: (257) [system] ')'==t
   Call: (257) [system] get_char((0x56051b6b4f40), t)
   Exit: (257) [system] get_char((0x56051b6b4f40), t)
   Call: (257) [system] t=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1507486)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1508420)
   Exit: (258) [system] peek_char((0x56051b6b4f40), r)
^  Call: (258) [user] is_delimiter(r)
   Call: (259) [system] char_type(r, space)
   Call: (259) [system] arg(_1512212, v('(', ')', end_of_file), r)
   Call: (258) [system] ')'==r
   Call: (258) [system] get_char((0x56051b6b4f40), r)
   Exit: (258) [system] get_char((0x56051b6b4f40), r)
   Call: (258) [system] r=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1516782)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1517716)
   Exit: (259) [system] peek_char((0x56051b6b4f40), o)
^  Call: (259) [user] is_delimiter(o)
   Call: (260) [system] char_type(o, space)
   Call: (260) [system] arg(_1521508, v('(', ')', end_of_file), o)
   Call: (259) [system] ')'==o
   Call: (259) [system] get_char((0x56051b6b4f40), o)
   Exit: (259) [system] get_char((0x56051b6b4f40), o)
   Call: (259) [system] o=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1526078)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1527012)
   Exit: (260) [system] peek_char((0x56051b6b4f40), d)
^  Call: (260) [user] is_delimiter(d)
   Call: (261) [system] char_type(d, space)
   Call: (261) [system] arg(_1530804, v('(', ')', end_of_file), d)
   Call: (260) [system] ')'==d
   Call: (260) [system] get_char((0x56051b6b4f40), d)
   Exit: (260) [system] get_char((0x56051b6b4f40), d)
   Call: (260) [system] d=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1535374)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1536308)
   Exit: (261) [system] peek_char((0x56051b6b4f40), u)
^  Call: (261) [user] is_delimiter(u)
   Call: (262) [system] char_type(u, space)
   Call: (262) [system] arg(_1540100, v('(', ')', end_of_file), u)
   Call: (261) [system] ')'==u
   Call: (261) [system] get_char((0x56051b6b4f40), u)
   Exit: (261) [system] get_char((0x56051b6b4f40), u)
   Call: (261) [system] u=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1544670)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1545604)
   Exit: (262) [system] peek_char((0x56051b6b4f40), c)
^  Call: (262) [user] is_delimiter(c)
   Call: (263) [system] char_type(c, space)
   Call: (263) [system] arg(_1549396, v('(', ')', end_of_file), c)
   Call: (262) [system] ')'==c
   Call: (262) [system] get_char((0x56051b6b4f40), c)
   Exit: (262) [system] get_char((0x56051b6b4f40), c)
   Call: (262) [system] c=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1553966)
   Call: (263) [system] peek_char((0x56051b6b4f40), _1554900)
   Exit: (263) [system] peek_char((0x56051b6b4f40), t)
^  Call: (263) [user] is_delimiter(t)
   Call: (264) [system] char_type(t, space)
   Call: (264) [system] arg(_1558692, v('(', ')', end_of_file), t)
   Call: (263) [system] ')'==t
   Call: (263) [system] get_char((0x56051b6b4f40), t)
   Exit: (263) [system] get_char((0x56051b6b4f40), t)
   Call: (263) [system] t=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1563262)
   Call: (264) [system] peek_char((0x56051b6b4f40), _1564196)
   Exit: (264) [system] peek_char((0x56051b6b4f40), i)
^  Call: (264) [user] is_delimiter(i)
   Call: (265) [system] char_type(i, space)
   Call: (265) [system] arg(_1567988, v('(', ')', end_of_file), i)
   Call: (264) [system] ')'==i
   Call: (264) [system] get_char((0x56051b6b4f40), i)
   Exit: (264) [system] get_char((0x56051b6b4f40), i)
   Call: (264) [system] i=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1572558)
   Call: (265) [system] peek_char((0x56051b6b4f40), _1573492)
   Exit: (265) [system] peek_char((0x56051b6b4f40), o)
^  Call: (265) [user] is_delimiter(o)
   Call: (266) [system] char_type(o, space)
   Call: (266) [system] arg(_1577284, v('(', ')', end_of_file), o)
   Call: (265) [system] ')'==o
   Call: (265) [system] get_char((0x56051b6b4f40), o)
   Exit: (265) [system] get_char((0x56051b6b4f40), o)
   Call: (265) [system] o=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1581854)
   Call: (266) [system] peek_char((0x56051b6b4f40), _1582788)
   Exit: (266) [system] peek_char((0x56051b6b4f40), n)
^  Call: (266) [user] is_delimiter(n)
   Call: (267) [system] char_type(n, space)
   Call: (267) [system] arg(_1586580, v('(', ')', end_of_file), n)
   Call: (266) [system] ')'==n
   Call: (266) [system] get_char((0x56051b6b4f40), n)
   Exit: (266) [system] get_char((0x56051b6b4f40), n)
   Call: (266) [system] n=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1591150)
   Call: (267) [system] peek_char((0x56051b6b4f40), _1592084)
   Exit: (267) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (267) [user] is_delimiter(' ')
   Call: (268) [system] char_type(' ', space)
   Exit: (268) [system] char_type(' ', space)
^  Exit: (267) [user] is_delimiter(' ')
   Call: (267) [system] _1591150=[]
   Exit: (267) [system] []=[]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (266) [system] _1581854=[n]
   Exit: (266) [system] [n]=[n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (265) [system] _1572558=[o, n]
   Exit: (265) [system] [o, n]=[o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (264) [system] _1563262=[i, o, n]
   Exit: (264) [system] [i, o, n]=[i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (263) [system] _1553966=[t, i, o, n]
   Exit: (263) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (262) [system] _1544670=[c, t, i, o, n]
   Exit: (262) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (261) [system] _1535374=[u, c, t, i, o, n]
   Exit: (261) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (260) [system] _1526078=[d, u, c, t, i, o, n]
   Exit: (260) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (259) [system] _1516782=[o, d, u, c, t, i, o, n]
   Exit: (259) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (258) [system] _1507486=[r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _1498190=[t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _1488894=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _1479598=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _1470302=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _1461006=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _1451710=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _1442414=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _1433118=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _1423822=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _1414526=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _1405230=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _1395934=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1386638=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (244) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1366094)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_1662862, _1662864), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1366094), _1662838, fail)), '$restore_trace'(_1662862, _1662864))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_1662862, _1662864))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1366094), _1662838, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(_1366094)
   Call: (245) [system] atom_chars(_1366094, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (245) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (244) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1671314)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1673172)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _1679982)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1682686)
   Exit: (245) [system] peek_char((0x56051b6b4f40), a)
   Call: (245) [system] a=(;)
^  Call: (245) [user] is_like_space(a)
   Call: (246) [system] char_type(a, 'white')
   Call: (246) [system] char_type(a, end_of_line)
   Call: (246) [system] char_type(a, space)
   Call: (246) [system] char_type(a, cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1692078)
   Exit: (243) [system] peek_char((0x56051b6b4f40), a)
   Call: (243) [system] a=')'
   Call: (243) [system] a=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _1695792)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1697650)
   Exit: (245) [system] peek_char((0x56051b6b4f40), a)
   Call: (245) [system] a=(;)
^  Call: (245) [user] is_like_space(a)
   Call: (246) [system] char_type(a, 'white')
   Call: (246) [system] char_type(a, end_of_line)
   Call: (246) [system] char_type(a, space)
   Call: (246) [system] char_type(a, cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _1706118)
   Exit: (244) [system] get_char((0x56051b6b4f40), a)
   Call: (244) [system] a='('
   Call: (244) [system] a='['
   Call: (244) [system] a='{'
   Call: (244) [system] a='"'
   Call: (244) [system] a=!
   Call: (244) [system] a='\''
   Call: (244) [system] a='`'
   Call: (244) [system] a=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), a, _1695792)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1716336)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1717270)
   Exit: (246) [system] peek_char((0x56051b6b4f40), b)
^  Call: (246) [user] is_delimiter(b)
   Call: (247) [system] char_type(b, space)
   Call: (247) [system] arg(_1721062, v('(', ')', end_of_file), b)
   Call: (246) [system] ')'==b
   Call: (246) [system] get_char((0x56051b6b4f40), b)
   Exit: (246) [system] get_char((0x56051b6b4f40), b)
   Call: (246) [system] b=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1725632)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1726566)
   Exit: (247) [system] peek_char((0x56051b6b4f40), c)
^  Call: (247) [user] is_delimiter(c)
   Call: (248) [system] char_type(c, space)
   Call: (248) [system] arg(_1730358, v('(', ')', end_of_file), c)
   Call: (247) [system] ')'==c
   Call: (247) [system] get_char((0x56051b6b4f40), c)
   Exit: (247) [system] get_char((0x56051b6b4f40), c)
   Call: (247) [system] c=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1734928)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1735862)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1734928=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _1725632=[c]
   Exit: (247) [system] [c]=[c]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (246) [system] _1716336=[b, c]
   Exit: (246) [system] [b, c]=[b, c]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (245) [user] classify_and_convert_charseq(a, [b, c], _1695792)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_1750760, _1750762), once(user:catch(read_from_chars([a, b, c], _1695792), _1750736, fail)), '$restore_trace'(_1750760, _1750762))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_1750760, _1750762))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1750736, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(abc)
   Exit: (246) [system] atomic(abc)
^  Exit: (245) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1758260)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1760118)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _1766928)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1769632)
   Exit: (246) [system] peek_char((0x56051b6b4f40), a)
   Call: (246) [system] a=(;)
^  Call: (246) [user] is_like_space(a)
   Call: (247) [system] char_type(a, 'white')
   Call: (247) [system] char_type(a, end_of_line)
   Call: (247) [system] char_type(a, space)
   Call: (247) [system] char_type(a, cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1779024)
   Exit: (244) [system] peek_char((0x56051b6b4f40), a)
   Call: (244) [system] a=')'
   Call: (244) [system] a=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _1782738)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1784596)
   Exit: (246) [system] peek_char((0x56051b6b4f40), a)
   Call: (246) [system] a=(;)
^  Call: (246) [user] is_like_space(a)
   Call: (247) [system] char_type(a, 'white')
   Call: (247) [system] char_type(a, end_of_line)
   Call: (247) [system] char_type(a, space)
   Call: (247) [system] char_type(a, cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _1793064)
   Exit: (245) [system] get_char((0x56051b6b4f40), a)
   Call: (245) [system] a='('
   Call: (245) [system] a='['
   Call: (245) [system] a='{'
   Call: (245) [system] a='"'
   Call: (245) [system] a=!
   Call: (245) [system] a='\''
   Call: (245) [system] a='`'
   Call: (245) [system] a=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), a, _1782738)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1803282)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1804216)
   Exit: (247) [system] peek_char((0x56051b6b4f40), b)
^  Call: (247) [user] is_delimiter(b)
   Call: (248) [system] char_type(b, space)
   Call: (248) [system] arg(_1808008, v('(', ')', end_of_file), b)
   Call: (247) [system] ')'==b
   Call: (247) [system] get_char((0x56051b6b4f40), b)
   Exit: (247) [system] get_char((0x56051b6b4f40), b)
   Call: (247) [system] b=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1812578)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1813512)
   Exit: (248) [system] peek_char((0x56051b6b4f40), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_1817304, v('(', ')', end_of_file), c)
   Call: (248) [system] ')'==c
   Call: (248) [system] get_char((0x56051b6b4f40), c)
   Exit: (248) [system] get_char((0x56051b6b4f40), c)
   Call: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1821874)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1822808)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (249) [user] is_delimiter(')')
   Call: (250) [system] char_type(')', space)
   Call: (250) [system] arg(_1826600, v('(', ')', end_of_file), ')')
   Exit: (250) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (249) [user] is_delimiter(')')
   Call: (249) [system] _1821874=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (248) [system] _1812578=[c]
   Exit: (248) [system] [c]=[c]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (247) [system] _1803282=[b, c]
   Exit: (247) [system] [b, c]=[b, c]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (246) [user] classify_and_convert_charseq(a, [b, c], _1782738)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_1838650, _1838652), once(user:catch(read_from_chars([a, b, c], _1782738), _1838626, fail)), '$restore_trace'(_1838650, _1838652))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_1838650, _1838652))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1838626, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(abc)
   Exit: (247) [system] atomic(abc)
^  Exit: (246) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _1846150)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1848008)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=(;)
^  Call: (246) [user] is_like_space(')')
   Call: (247) [system] char_type(')', 'white')
   Call: (247) [system] char_type(')', end_of_line)
   Call: (247) [system] char_type(')', space)
   Call: (247) [system] char_type(')', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1856476)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=')'
   Exit: (245) [system] ')'=')'
   Call: (245) [system] get_char((0x56051b6b4f40), _1860266)
   Exit: (245) [system] get_char((0x56051b6b4f40), ')')
   Call: (245) [system] _1846150=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (244) [system] _1758260=[abc]
   Exit: (244) [system] [abc]=[abc]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (243) [system] _1671314=[abc, abc]
   Exit: (243) [system] [abc, abc]=[abc, abc]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [abc, abc])
   Call: (242) [system] _1338016=['DisjunctionIntroduction', abc, abc]
   Exit: (242) [system] ['DisjunctionIntroduction', abc, abc]=['DisjunctionIntroduction', abc, abc]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, abc])
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, abc])
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _1874148)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1876006)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=(;)
^  Call: (242) [user] is_like_space(')')
   Call: (243) [system] char_type(')', 'white')
   Call: (243) [system] char_type(')', end_of_line)
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] char_type(')', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1884474)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=')'
   Exit: (241) [system] ')'=')'
   Call: (241) [system] get_char((0x56051b6b4f40), _1888264)
   Exit: (241) [system] get_char((0x56051b6b4f40), ')')
   Call: (241) [system] _1874148=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (240) [system] _1313538=[['DisjunctionIntroduction', abc, abc]]
   Exit: (240) [system] [['DisjunctionIntroduction', abc, abc]]=[['DisjunctionIntroduction', abc, abc]]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, abc]])
   Call: (239) [system] _1250772=[a, ['DisjunctionIntroduction', abc, abc]]
   Exit: (239) [system] [a, ['DisjunctionIntroduction', abc, abc]]=[a, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [a, ['DisjunctionIntroduction', abc, abc]])
   Call: (238) [system] _917474=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]]
   Exit: (238) [system] ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]]=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]])
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]])
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1902146)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1904004)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _1910814)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1913518)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1922910)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=')'
   Call: (237) [system] '('=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1926624)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1928482)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1936950)
   Exit: (238) [system] get_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('='('
   Exit: (238) [system] '('='('
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1926624)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1942520)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (240) [system] 'O'=(;)
^  Call: (240) [user] is_like_space('O')
   Call: (241) [system] char_type('O', 'white')
   Call: (241) [system] char_type('O', end_of_line)
   Call: (241) [system] char_type('O', space)
   Call: (241) [system] char_type('O', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1950988)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (239) [system] 'O'=')'
   Call: (239) [system] 'O'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _1954702)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1956560)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (241) [system] 'O'=(;)
^  Call: (241) [user] is_like_space('O')
   Call: (242) [system] char_type('O', 'white')
   Call: (242) [system] char_type('O', end_of_line)
   Call: (242) [system] char_type('O', space)
   Call: (242) [system] char_type('O', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _1965028)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'O')
   Call: (240) [system] 'O'='('
   Call: (240) [system] 'O'='['
   Call: (240) [system] 'O'='{'
   Call: (240) [system] 'O'='"'
   Call: (240) [system] 'O'=!
   Call: (240) [system] 'O'='\''
   Call: (240) [system] 'O'='`'
   Call: (240) [system] 'O'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1954702)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1975246)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1976180)
   Exit: (242) [system] peek_char((0x56051b6b4f40), r)
^  Call: (242) [user] is_delimiter(r)
   Call: (243) [system] char_type(r, space)
   Call: (243) [system] arg(_1979972, v('(', ')', end_of_file), r)
   Call: (242) [system] ')'==r
   Call: (242) [system] get_char((0x56051b6b4f40), r)
   Exit: (242) [system] get_char((0x56051b6b4f40), r)
   Call: (242) [system] r=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1984542)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1985476)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (243) [user] is_delimiter('L')
   Call: (244) [system] char_type('L', space)
   Call: (244) [system] arg(_1989268, v('(', ')', end_of_file), 'L')
   Call: (243) [system] ')'=='L'
   Call: (243) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (243) [system] get_char((0x56051b6b4f40), 'L')
   Call: (243) [system] 'L'=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1993838)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1994772)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_1998564, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2003134)
   Call: (245) [system] peek_char((0x56051b6b4f40), _2004068)
   Exit: (245) [system] peek_char((0x56051b6b4f40), n)
^  Call: (245) [user] is_delimiter(n)
   Call: (246) [system] char_type(n, space)
   Call: (246) [system] arg(_2007860, v('(', ')', end_of_file), n)
   Call: (245) [system] ')'==n
   Call: (245) [system] get_char((0x56051b6b4f40), n)
   Exit: (245) [system] get_char((0x56051b6b4f40), n)
   Call: (245) [system] n=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2012430)
   Call: (246) [system] peek_char((0x56051b6b4f40), _2013364)
   Exit: (246) [system] peek_char((0x56051b6b4f40), k)
^  Call: (246) [user] is_delimiter(k)
   Call: (247) [system] char_type(k, space)
   Call: (247) [system] arg(_2017156, v('(', ')', end_of_file), k)
   Call: (246) [system] ')'==k
   Call: (246) [system] get_char((0x56051b6b4f40), k)
   Exit: (246) [system] get_char((0x56051b6b4f40), k)
   Call: (246) [system] k=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2021726)
   Call: (247) [system] peek_char((0x56051b6b4f40), _2022660)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _2021726=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (246) [system] _2012430=[k]
   Exit: (246) [system] [k]=[k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (245) [system] _2003134=[n, k]
   Exit: (245) [system] [n, k]=[n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (244) [system] _1993838=[i, n, k]
   Exit: (244) [system] [i, n, k]=[i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (243) [system] _1984542=['L', i, n, k]
   Exit: (243) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (242) [system] _1975246=[r, 'L', i, n, k]
   Exit: (242) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (241) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1954702)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_2045940, _2045942), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1954702), _2045916, fail)), '$restore_trace'(_2045940, _2045942))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_2045940, _2045942))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1954702), _2045916, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_1954702)
   Call: (242) [system] atom_chars(_1954702, ['O', r, 'L', i, n, k])
   Exit: (242) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (241) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _2054392)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _2056250)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _2063060)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _2065764)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (242) [system] 'B'=(;)
^  Call: (242) [user] is_like_space('B')
   Call: (243) [system] char_type('B', 'white')
   Call: (243) [system] char_type('B', end_of_line)
   Call: (243) [system] char_type('B', space)
   Call: (243) [system] char_type('B', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _2075156)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (240) [system] 'B'=')'
   Call: (240) [system] 'B'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _2078870)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _2080728)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (242) [system] 'B'=(;)
^  Call: (242) [user] is_like_space('B')
   Call: (243) [system] char_type('B', 'white')
   Call: (243) [system] char_type('B', end_of_line)
   Call: (243) [system] char_type('B', space)
   Call: (243) [system] char_type('B', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _2089196)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'B')
   Call: (241) [system] 'B'='('
   Call: (241) [system] 'B'='['
   Call: (241) [system] 'B'='{'
   Call: (241) [system] 'B'='"'
   Call: (241) [system] 'B'=!
   Call: (241) [system] 'B'='\''
   Call: (241) [system] 'B'='`'
   Call: (241) [system] 'B'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _9842)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _12458)
   Call: (243) [system] peek_char((0x56051b6b4f40), _13392)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _12458=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (242) [user] classify_and_convert_charseq('B', [], _9842)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_22702, _22704), once(user:catch(read_from_chars(['B'], _9842), _22678, fail)), '$restore_trace'(_22702, _22704))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_22702, _22704))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _9842), _22678, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_9842)
   Call: (243) [system] atom_chars(_9842, ['B'])
   Exit: (243) [system] atom_chars('B', ['B'])
^  Exit: (242) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _31154)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _33012)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _39822)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _42526)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=(;)
^  Call: (243) [user] is_like_space('(')
   Call: (244) [system] char_type('(', 'white')
   Call: (244) [system] char_type('(', end_of_line)
   Call: (244) [system] char_type('(', space)
   Call: (244) [system] char_type('(', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _51918)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=')'
   Call: (241) [system] '('=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _55632)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _57490)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=(;)
^  Call: (243) [user] is_like_space('(')
   Call: (244) [system] char_type('(', 'white')
   Call: (244) [system] char_type('(', end_of_line)
   Call: (244) [system] char_type('(', space)
   Call: (244) [system] char_type('(', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _65958)
   Exit: (242) [system] get_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('='('
   Exit: (242) [system] '('='('
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _55632)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _71528)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (244) [system] 'O'=(;)
^  Call: (244) [user] is_like_space('O')
   Call: (245) [system] char_type('O', 'white')
   Call: (245) [system] char_type('O', end_of_line)
   Call: (245) [system] char_type('O', space)
   Call: (245) [system] char_type('O', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _79996)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (243) [system] 'O'=')'
   Call: (243) [system] 'O'=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _83710)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _85568)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'=(;)
^  Call: (245) [user] is_like_space('O')
   Call: (246) [system] char_type('O', 'white')
   Call: (246) [system] char_type('O', end_of_line)
   Call: (246) [system] char_type('O', space)
   Call: (246) [system] char_type('O', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _94036)
   Exit: (244) [system] get_char((0x56051b6b4f40), 'O')
   Call: (244) [system] 'O'='('
   Call: (244) [system] 'O'='['
   Call: (244) [system] 'O'='{'
   Call: (244) [system] 'O'='"'
   Call: (244) [system] 'O'=!
   Call: (244) [system] 'O'='\''
   Call: (244) [system] 'O'='`'
   Call: (244) [system] 'O'=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _83710)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _104254)
   Call: (246) [system] peek_char((0x56051b6b4f40), _105188)
   Exit: (246) [system] peek_char((0x56051b6b4f40), r)
^  Call: (246) [user] is_delimiter(r)
   Call: (247) [system] char_type(r, space)
   Call: (247) [system] arg(_108980, v('(', ')', end_of_file), r)
   Call: (246) [system] ')'==r
   Call: (246) [system] get_char((0x56051b6b4f40), r)
   Exit: (246) [system] get_char((0x56051b6b4f40), r)
   Call: (246) [system] r=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _113550)
   Call: (247) [system] peek_char((0x56051b6b4f40), _114484)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (247) [user] is_delimiter('L')
   Call: (248) [system] char_type('L', space)
   Call: (248) [system] arg(_118276, v('(', ')', end_of_file), 'L')
   Call: (247) [system] ')'=='L'
   Call: (247) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (247) [system] get_char((0x56051b6b4f40), 'L')
   Call: (247) [system] 'L'=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _122846)
   Call: (248) [system] peek_char((0x56051b6b4f40), _123780)
   Exit: (248) [system] peek_char((0x56051b6b4f40), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_127572, v('(', ')', end_of_file), i)
   Call: (248) [system] ')'==i
   Call: (248) [system] get_char((0x56051b6b4f40), i)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _132142)
   Call: (249) [system] peek_char((0x56051b6b4f40), _133076)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_136868, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _141438)
   Call: (250) [system] peek_char((0x56051b6b4f40), _142372)
   Exit: (250) [system] peek_char((0x56051b6b4f40), k)
^  Call: (250) [user] is_delimiter(k)
   Call: (251) [system] char_type(k, space)
   Call: (251) [system] arg(_146164, v('(', ')', end_of_file), k)
   Call: (250) [system] ')'==k
   Call: (250) [system] get_char((0x56051b6b4f40), k)
   Exit: (250) [system] get_char((0x56051b6b4f40), k)
   Call: (250) [system] k=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _150734)
   Call: (251) [system] peek_char((0x56051b6b4f40), _151668)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _150734=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (250) [system] _141438=[k]
   Exit: (250) [system] [k]=[k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (249) [system] _132142=[n, k]
   Exit: (249) [system] [n, k]=[n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (248) [system] _122846=[i, n, k]
   Exit: (248) [system] [i, n, k]=[i, n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (247) [system] _113550=['L', i, n, k]
   Exit: (247) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (246) [system] _104254=[r, 'L', i, n, k]
   Exit: (246) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (245) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _83710)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_174948, _174950), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _83710), _174924, fail)), '$restore_trace'(_174948, _174950))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_174948, _174950))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _83710), _174924, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(_83710)
   Call: (246) [system] atom_chars(_83710, ['O', r, 'L', i, n, k])
   Exit: (246) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (245) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _183400)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _185258)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _192068)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _194772)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=(;)
^  Call: (246) [user] is_like_space('(')
   Call: (247) [system] char_type('(', 'white')
   Call: (247) [system] char_type('(', end_of_line)
   Call: (247) [system] char_type('(', space)
   Call: (247) [system] char_type('(', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _204164)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=')'
   Call: (244) [system] '('=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _207878)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _209736)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=(;)
^  Call: (246) [user] is_like_space('(')
   Call: (247) [system] char_type('(', 'white')
   Call: (247) [system] char_type('(', end_of_line)
   Call: (247) [system] char_type('(', space)
   Call: (247) [system] char_type('(', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _218204)
   Exit: (245) [system] get_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('='('
   Exit: (245) [system] '('='('
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _207878)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _223774)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (247) [system] 'I'=(;)
^  Call: (247) [user] is_like_space('I')
   Call: (248) [system] char_type('I', 'white')
   Call: (248) [system] char_type('I', end_of_line)
   Call: (248) [system] char_type('I', space)
   Call: (248) [system] char_type('I', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _232242)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (246) [system] 'I'=')'
   Call: (246) [system] 'I'=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _235956)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _237814)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (248) [system] 'I'=(;)
^  Call: (248) [user] is_like_space('I')
   Call: (249) [system] char_type('I', 'white')
   Call: (249) [system] char_type('I', end_of_line)
   Call: (249) [system] char_type('I', space)
   Call: (249) [system] char_type('I', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _246282)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'I')
   Call: (247) [system] 'I'='('
   Call: (247) [system] 'I'='['
   Call: (247) [system] 'I'='{'
   Call: (247) [system] 'I'='"'
   Call: (247) [system] 'I'=!
   Call: (247) [system] 'I'='\''
   Call: (247) [system] 'I'='`'
   Call: (247) [system] 'I'=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _235956)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _256500)
   Call: (249) [system] peek_char((0x56051b6b4f40), _257434)
   Exit: (249) [system] peek_char((0x56051b6b4f40), m)
^  Call: (249) [user] is_delimiter(m)
   Call: (250) [system] char_type(m, space)
   Call: (250) [system] arg(_261226, v('(', ')', end_of_file), m)
   Call: (249) [system] ')'==m
   Call: (249) [system] get_char((0x56051b6b4f40), m)
   Exit: (249) [system] get_char((0x56051b6b4f40), m)
   Call: (249) [system] m=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _265796)
   Call: (250) [system] peek_char((0x56051b6b4f40), _266730)
   Exit: (250) [system] peek_char((0x56051b6b4f40), p)
^  Call: (250) [user] is_delimiter(p)
   Call: (251) [system] char_type(p, space)
   Call: (251) [system] arg(_270522, v('(', ')', end_of_file), p)
   Call: (250) [system] ')'==p
   Call: (250) [system] get_char((0x56051b6b4f40), p)
   Exit: (250) [system] get_char((0x56051b6b4f40), p)
   Call: (250) [system] p=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _275092)
   Call: (251) [system] peek_char((0x56051b6b4f40), _276026)
   Exit: (251) [system] peek_char((0x56051b6b4f40), l)
^  Call: (251) [user] is_delimiter(l)
   Call: (252) [system] char_type(l, space)
   Call: (252) [system] arg(_279818, v('(', ')', end_of_file), l)
   Call: (251) [system] ')'==l
   Call: (251) [system] get_char((0x56051b6b4f40), l)
   Exit: (251) [system] get_char((0x56051b6b4f40), l)
   Call: (251) [system] l=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _284388)
   Call: (252) [system] peek_char((0x56051b6b4f40), _285322)
   Exit: (252) [system] peek_char((0x56051b6b4f40), i)
^  Call: (252) [user] is_delimiter(i)
   Call: (253) [system] char_type(i, space)
   Call: (253) [system] arg(_289114, v('(', ')', end_of_file), i)
   Call: (252) [system] ')'==i
   Call: (252) [system] get_char((0x56051b6b4f40), i)
   Exit: (252) [system] get_char((0x56051b6b4f40), i)
   Call: (252) [system] i=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _293684)
   Call: (253) [system] peek_char((0x56051b6b4f40), _294618)
   Exit: (253) [system] peek_char((0x56051b6b4f40), c)
^  Call: (253) [user] is_delimiter(c)
   Call: (254) [system] char_type(c, space)
   Call: (254) [system] arg(_298410, v('(', ')', end_of_file), c)
   Call: (253) [system] ')'==c
   Call: (253) [system] get_char((0x56051b6b4f40), c)
   Exit: (253) [system] get_char((0x56051b6b4f40), c)
   Call: (253) [system] c=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _302980)
   Call: (254) [system] peek_char((0x56051b6b4f40), _303914)
   Exit: (254) [system] peek_char((0x56051b6b4f40), a)
^  Call: (254) [user] is_delimiter(a)
   Call: (255) [system] char_type(a, space)
   Call: (255) [system] arg(_307706, v('(', ')', end_of_file), a)
   Call: (254) [system] ')'==a
   Call: (254) [system] get_char((0x56051b6b4f40), a)
   Exit: (254) [system] get_char((0x56051b6b4f40), a)
   Call: (254) [system] a=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _312276)
   Call: (255) [system] peek_char((0x56051b6b4f40), _313210)
   Exit: (255) [system] peek_char((0x56051b6b4f40), t)
^  Call: (255) [user] is_delimiter(t)
   Call: (256) [system] char_type(t, space)
   Call: (256) [system] arg(_317002, v('(', ')', end_of_file), t)
   Call: (255) [system] ')'==t
   Call: (255) [system] get_char((0x56051b6b4f40), t)
   Exit: (255) [system] get_char((0x56051b6b4f40), t)
   Call: (255) [system] t=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _321572)
   Call: (256) [system] peek_char((0x56051b6b4f40), _322506)
   Exit: (256) [system] peek_char((0x56051b6b4f40), i)
^  Call: (256) [user] is_delimiter(i)
   Call: (257) [system] char_type(i, space)
   Call: (257) [system] arg(_326298, v('(', ')', end_of_file), i)
   Call: (256) [system] ')'==i
   Call: (256) [system] get_char((0x56051b6b4f40), i)
   Exit: (256) [system] get_char((0x56051b6b4f40), i)
   Call: (256) [system] i=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _330868)
   Call: (257) [system] peek_char((0x56051b6b4f40), _331802)
   Exit: (257) [system] peek_char((0x56051b6b4f40), o)
^  Call: (257) [user] is_delimiter(o)
   Call: (258) [system] char_type(o, space)
   Call: (258) [system] arg(_335594, v('(', ')', end_of_file), o)
   Call: (257) [system] ')'==o
   Call: (257) [system] get_char((0x56051b6b4f40), o)
   Exit: (257) [system] get_char((0x56051b6b4f40), o)
   Call: (257) [system] o=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _340164)
   Call: (258) [system] peek_char((0x56051b6b4f40), _341098)
   Exit: (258) [system] peek_char((0x56051b6b4f40), n)
^  Call: (258) [user] is_delimiter(n)
   Call: (259) [system] char_type(n, space)
   Call: (259) [system] arg(_344890, v('(', ')', end_of_file), n)
   Call: (258) [system] ')'==n
   Call: (258) [system] get_char((0x56051b6b4f40), n)
   Exit: (258) [system] get_char((0x56051b6b4f40), n)
   Call: (258) [system] n=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _349460)
   Call: (259) [system] peek_char((0x56051b6b4f40), _350394)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (259) [user] is_delimiter(' ')
   Call: (260) [system] char_type(' ', space)
   Exit: (260) [system] char_type(' ', space)
^  Exit: (259) [user] is_delimiter(' ')
   Call: (259) [system] _349460=[]
   Exit: (259) [system] []=[]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (258) [system] _340164=[n]
   Exit: (258) [system] [n]=[n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (257) [system] _330868=[o, n]
   Exit: (257) [system] [o, n]=[o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (256) [system] _321572=[i, o, n]
   Exit: (256) [system] [i, o, n]=[i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (255) [system] _312276=[t, i, o, n]
   Exit: (255) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (254) [system] _302980=[a, t, i, o, n]
   Exit: (254) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (253) [system] _293684=[c, a, t, i, o, n]
   Exit: (253) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (252) [system] _284388=[i, c, a, t, i, o, n]
   Exit: (252) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (251) [system] _275092=[l, i, c, a, t, i, o, n]
   Exit: (251) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (250) [system] _265796=[p, l, i, c, a, t, i, o, n]
   Exit: (250) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (249) [system] _256500=[m, p, l, i, c, a, t, i, o, n]
   Exit: (249) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (248) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _235956)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_387644, _387646), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _235956), _387620, fail)), '$restore_trace'(_387644, _387646))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_387644, _387646))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _235956), _387620, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(_235956)
   Call: (249) [system] atom_chars(_235956, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (249) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (248) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _396096)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _397954)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (248) [system] ' '=(;)
^  Call: (248) [user] is_like_space(' ')
   Call: (249) [system] char_type(' ', 'white')
   Exit: (249) [system] char_type(' ', 'white')
^  Exit: (248) [user] is_like_space(' ')
   Call: (248) [system] get_char((0x56051b6b4f40), _404764)
   Exit: (248) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _407468)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=(;)
^  Call: (249) [user] is_like_space('(')
   Call: (250) [system] char_type('(', 'white')
   Call: (250) [system] char_type('(', end_of_line)
   Call: (250) [system] char_type('(', space)
   Call: (250) [system] char_type('(', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _416860)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=')'
   Call: (247) [system] '('=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _420574)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _422432)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=(;)
^  Call: (249) [user] is_like_space('(')
   Call: (250) [system] char_type('(', 'white')
   Call: (250) [system] char_type('(', end_of_line)
   Call: (250) [system] char_type('(', space)
   Call: (250) [system] char_type('(', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _430900)
   Exit: (248) [system] get_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('='('
   Exit: (248) [system] '('='('
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _420574)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _436470)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (250) [system] 'A'=(;)
^  Call: (250) [user] is_like_space('A')
   Call: (251) [system] char_type('A', 'white')
   Call: (251) [system] char_type('A', end_of_line)
   Call: (251) [system] char_type('A', space)
   Call: (251) [system] char_type('A', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _444938)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (249) [system] 'A'=')'
   Call: (249) [system] 'A'=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _448652)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _450510)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (251) [system] 'A'=(;)
^  Call: (251) [user] is_like_space('A')
   Call: (252) [system] char_type('A', 'white')
   Call: (252) [system] char_type('A', end_of_line)
   Call: (252) [system] char_type('A', space)
   Call: (252) [system] char_type('A', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _458978)
   Exit: (250) [system] get_char((0x56051b6b4f40), 'A')
   Call: (250) [system] 'A'='('
   Call: (250) [system] 'A'='['
   Call: (250) [system] 'A'='{'
   Call: (250) [system] 'A'='"'
   Call: (250) [system] 'A'=!
   Call: (250) [system] 'A'='\''
   Call: (250) [system] 'A'='`'
   Call: (250) [system] 'A'=end_of_file
^  Call: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _448652)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _469196)
   Call: (252) [system] peek_char((0x56051b6b4f40), _470130)
   Exit: (252) [system] peek_char((0x56051b6b4f40), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_473922, v('(', ')', end_of_file), n)
   Call: (252) [system] ')'==n
   Call: (252) [system] get_char((0x56051b6b4f40), n)
   Exit: (252) [system] get_char((0x56051b6b4f40), n)
   Call: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _478492)
   Call: (253) [system] peek_char((0x56051b6b4f40), _479426)
   Exit: (253) [system] peek_char((0x56051b6b4f40), d)
^  Call: (253) [user] is_delimiter(d)
   Call: (254) [system] char_type(d, space)
   Call: (254) [system] arg(_483218, v('(', ')', end_of_file), d)
   Call: (253) [system] ')'==d
   Call: (253) [system] get_char((0x56051b6b4f40), d)
   Exit: (253) [system] get_char((0x56051b6b4f40), d)
   Call: (253) [system] d=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _487788)
   Call: (254) [system] peek_char((0x56051b6b4f40), _488722)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (254) [user] is_delimiter('L')
   Call: (255) [system] char_type('L', space)
   Call: (255) [system] arg(_492514, v('(', ')', end_of_file), 'L')
   Call: (254) [system] ')'=='L'
   Call: (254) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (254) [system] get_char((0x56051b6b4f40), 'L')
   Call: (254) [system] 'L'=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _497084)
   Call: (255) [system] peek_char((0x56051b6b4f40), _498018)
   Exit: (255) [system] peek_char((0x56051b6b4f40), i)
^  Call: (255) [user] is_delimiter(i)
   Call: (256) [system] char_type(i, space)
   Call: (256) [system] arg(_501810, v('(', ')', end_of_file), i)
   Call: (255) [system] ')'==i
   Call: (255) [system] get_char((0x56051b6b4f40), i)
   Exit: (255) [system] get_char((0x56051b6b4f40), i)
   Call: (255) [system] i=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _506380)
   Call: (256) [system] peek_char((0x56051b6b4f40), _507314)
   Exit: (256) [system] peek_char((0x56051b6b4f40), n)
^  Call: (256) [user] is_delimiter(n)
   Call: (257) [system] char_type(n, space)
   Call: (257) [system] arg(_511106, v('(', ')', end_of_file), n)
   Call: (256) [system] ')'==n
   Call: (256) [system] get_char((0x56051b6b4f40), n)
   Exit: (256) [system] get_char((0x56051b6b4f40), n)
   Call: (256) [system] n=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _515676)
   Call: (257) [system] peek_char((0x56051b6b4f40), _516610)
   Exit: (257) [system] peek_char((0x56051b6b4f40), k)
^  Call: (257) [user] is_delimiter(k)
   Call: (258) [system] char_type(k, space)
   Call: (258) [system] arg(_520402, v('(', ')', end_of_file), k)
   Call: (257) [system] ')'==k
   Call: (257) [system] get_char((0x56051b6b4f40), k)
   Exit: (257) [system] get_char((0x56051b6b4f40), k)
   Call: (257) [system] k=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _524972)
   Call: (258) [system] peek_char((0x56051b6b4f40), _525906)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (258) [user] is_delimiter(' ')
   Call: (259) [system] char_type(' ', space)
   Exit: (259) [system] char_type(' ', space)
^  Exit: (258) [user] is_delimiter(' ')
   Call: (258) [system] _524972=[]
   Exit: (258) [system] []=[]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (257) [system] _515676=[k]
   Exit: (257) [system] [k]=[k]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (256) [system] _506380=[n, k]
   Exit: (256) [system] [n, k]=[n, k]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (255) [system] _497084=[i, n, k]
   Exit: (255) [system] [i, n, k]=[i, n, k]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (254) [system] _487788=['L', i, n, k]
   Exit: (254) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (253) [system] _478492=[d, 'L', i, n, k]
   Exit: (253) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (252) [system] _469196=[n, d, 'L', i, n, k]
   Exit: (252) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (251) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _448652)
^  Call: (253) [system] setup_call_cleanup('$notrace'(_551980, _551982), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _448652), _551956, fail)), '$restore_trace'(_551980, _551982))
^  Call: (254) [system] sig_atomic(system:'$notrace'(_551980, _551982))
^  Exit: (253) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _448652), _551956, fail)), system:'$restore_trace'(3, -1))
   Call: (252) [system] atomic(_448652)
   Call: (252) [system] atom_chars(_448652, ['A', n, d, 'L', i, n, k])
   Exit: (252) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (251) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _560432)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _562290)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (251) [system] ' '=(;)
^  Call: (251) [user] is_like_space(' ')
   Call: (252) [system] char_type(' ', 'white')
   Exit: (252) [system] char_type(' ', 'white')
^  Exit: (251) [user] is_like_space(' ')
   Call: (251) [system] get_char((0x56051b6b4f40), _569100)
   Exit: (251) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _571804)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'=(;)
^  Call: (252) [user] is_like_space('A')
   Call: (253) [system] char_type('A', 'white')
   Call: (253) [system] char_type('A', end_of_line)
   Call: (253) [system] char_type('A', space)
   Call: (253) [system] char_type('A', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _581196)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (250) [system] 'A'=')'
   Call: (250) [system] 'A'=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _584910)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _586768)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'=(;)
^  Call: (252) [user] is_like_space('A')
   Call: (253) [system] char_type('A', 'white')
   Call: (253) [system] char_type('A', end_of_line)
   Call: (253) [system] char_type('A', space)
   Call: (253) [system] char_type('A', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _595236)
   Exit: (251) [system] get_char((0x56051b6b4f40), 'A')
   Call: (251) [system] 'A'='('
   Call: (251) [system] 'A'='['
   Call: (251) [system] 'A'='{'
   Call: (251) [system] 'A'='"'
   Call: (251) [system] 'A'=!
   Call: (251) [system] 'A'='\''
   Call: (251) [system] 'A'='`'
   Call: (251) [system] 'A'=end_of_file
^  Call: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _584910)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _605454)
   Call: (253) [system] peek_char((0x56051b6b4f40), _606388)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _605454=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (252) [user] classify_and_convert_charseq('A', [], _584910)
^  Call: (254) [system] setup_call_cleanup('$notrace'(_615698, _615700), once(user:catch(read_from_chars(['A'], _584910), _615674, fail)), '$restore_trace'(_615698, _615700))
^  Call: (255) [system] sig_atomic(system:'$notrace'(_615698, _615700))
^  Exit: (254) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _584910), _615674, fail)), system:'$restore_trace'(3, -1))
   Call: (253) [system] atomic(_584910)
   Call: (253) [system] atom_chars(_584910, ['A'])
   Exit: (253) [system] atom_chars('A', ['A'])
^  Exit: (252) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _624150)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _626008)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (252) [system] ' '=(;)
^  Call: (252) [user] is_like_space(' ')
   Call: (253) [system] char_type(' ', 'white')
   Exit: (253) [system] char_type(' ', 'white')
^  Exit: (252) [user] is_like_space(' ')
   Call: (252) [system] get_char((0x56051b6b4f40), _632818)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _635522)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (253) [system] 'B'=(;)
^  Call: (253) [user] is_like_space('B')
   Call: (254) [system] char_type('B', 'white')
   Call: (254) [system] char_type('B', end_of_line)
   Call: (254) [system] char_type('B', space)
   Call: (254) [system] char_type('B', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _644914)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (251) [system] 'B'=')'
   Call: (251) [system] 'B'=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _648628)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _650486)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (253) [system] 'B'=(;)
^  Call: (253) [user] is_like_space('B')
   Call: (254) [system] char_type('B', 'white')
   Call: (254) [system] char_type('B', end_of_line)
   Call: (254) [system] char_type('B', space)
   Call: (254) [system] char_type('B', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _658954)
   Exit: (252) [system] get_char((0x56051b6b4f40), 'B')
   Call: (252) [system] 'B'='('
   Call: (252) [system] 'B'='['
   Call: (252) [system] 'B'='{'
   Call: (252) [system] 'B'='"'
   Call: (252) [system] 'B'=!
   Call: (252) [system] 'B'='\''
   Call: (252) [system] 'B'='`'
   Call: (252) [system] 'B'=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _648628)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _669172)
   Call: (254) [system] peek_char((0x56051b6b4f40), _670106)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (254) [user] is_delimiter(')')
   Call: (255) [system] char_type(')', space)
   Call: (255) [system] arg(_673898, v('(', ')', end_of_file), ')')
   Exit: (255) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (254) [user] is_delimiter(')')
   Call: (254) [system] _669172=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (253) [user] classify_and_convert_charseq('B', [], _648628)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_680360, _680362), once(user:catch(read_from_chars(['B'], _648628), _680336, fail)), '$restore_trace'(_680360, _680362))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_680360, _680362))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _648628), _680336, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(_648628)
   Call: (254) [system] atom_chars(_648628, ['B'])
   Exit: (254) [system] atom_chars('B', ['B'])
^  Exit: (253) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _688812)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _690670)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
   Call: (253) [system] ')'=(;)
^  Call: (253) [user] is_like_space(')')
   Call: (254) [system] char_type(')', 'white')
   Call: (254) [system] char_type(')', end_of_line)
   Call: (254) [system] char_type(')', space)
   Call: (254) [system] char_type(')', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _699138)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
   Call: (252) [system] ')'=')'
   Exit: (252) [system] ')'=')'
   Call: (252) [system] get_char((0x56051b6b4f40), _702928)
   Exit: (252) [system] get_char((0x56051b6b4f40), ')')
   Call: (252) [system] _688812=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (251) [system] _624150=['B']
   Exit: (251) [system] ['B']=['B']
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (250) [system] _560432=['A', 'B']
   Exit: (250) [system] ['A', 'B']=['A', 'B']
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (249) [system] _420574=['AndLink', 'A', 'B']
   Exit: (249) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _716810)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _718668)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (249) [system] ' '=(;)
^  Call: (249) [user] is_like_space(' ')
   Call: (250) [system] char_type(' ', 'white')
   Exit: (250) [system] char_type(' ', 'white')
^  Exit: (249) [user] is_like_space(' ')
   Call: (249) [system] get_char((0x56051b6b4f40), _725478)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _728182)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (250) [system] 'C'=(;)
^  Call: (250) [user] is_like_space('C')
   Call: (251) [system] char_type('C', 'white')
   Call: (251) [system] char_type('C', end_of_line)
   Call: (251) [system] char_type('C', space)
   Call: (251) [system] char_type('C', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _737574)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (248) [system] 'C'=')'
   Call: (248) [system] 'C'=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _741288)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _743146)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (250) [system] 'C'=(;)
^  Call: (250) [user] is_like_space('C')
   Call: (251) [system] char_type('C', 'white')
   Call: (251) [system] char_type('C', end_of_line)
   Call: (251) [system] char_type('C', space)
   Call: (251) [system] char_type('C', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _751614)
   Exit: (249) [system] get_char((0x56051b6b4f40), 'C')
   Call: (249) [system] 'C'='('
   Call: (249) [system] 'C'='['
   Call: (249) [system] 'C'='{'
   Call: (249) [system] 'C'='"'
   Call: (249) [system] 'C'=!
   Call: (249) [system] 'C'='\''
   Call: (249) [system] 'C'='`'
   Call: (249) [system] 'C'=end_of_file
^  Call: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _741288)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _761832)
   Call: (251) [system] peek_char((0x56051b6b4f40), _762766)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (251) [user] is_delimiter(')')
   Call: (252) [system] char_type(')', space)
   Call: (252) [system] arg(_766558, v('(', ')', end_of_file), ')')
   Exit: (252) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (251) [user] is_delimiter(')')
   Call: (251) [system] _761832=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (250) [user] classify_and_convert_charseq('C', [], _741288)
^  Call: (252) [system] setup_call_cleanup('$notrace'(_773020, _773022), once(user:catch(read_from_chars(['C'], _741288), _772996, fail)), '$restore_trace'(_773020, _773022))
^  Call: (253) [system] sig_atomic(system:'$notrace'(_773020, _773022))
^  Exit: (252) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _741288), _772996, fail)), system:'$restore_trace'(3, -1))
   Call: (251) [system] atomic(_741288)
   Call: (251) [system] atom_chars(_741288, ['C'])
   Exit: (251) [system] atom_chars('C', ['C'])
^  Exit: (250) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _781472)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _783330)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
   Call: (250) [system] ')'=(;)
^  Call: (250) [user] is_like_space(')')
   Call: (251) [system] char_type(')', 'white')
   Call: (251) [system] char_type(')', end_of_line)
   Call: (251) [system] char_type(')', space)
   Call: (251) [system] char_type(')', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _791798)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
   Call: (249) [system] ')'=')'
   Exit: (249) [system] ')'=')'
   Call: (249) [system] get_char((0x56051b6b4f40), _795588)
   Exit: (249) [system] get_char((0x56051b6b4f40), ')')
   Call: (249) [system] _781472=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (248) [system] _716810=['C']
   Exit: (248) [system] ['C']=['C']
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (247) [system] _396096=[['AndLink', 'A', 'B'], 'C']
   Exit: (247) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (246) [system] _207878=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (246) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _809470)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _811328)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _818138)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _820842)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=(;)
^  Call: (247) [user] is_like_space('(')
   Call: (248) [system] char_type('(', 'white')
   Call: (248) [system] char_type('(', end_of_line)
   Call: (248) [system] char_type('(', space)
   Call: (248) [system] char_type('(', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _830234)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=')'
   Call: (245) [system] '('=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _833948)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _835806)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=(;)
^  Call: (247) [user] is_like_space('(')
   Call: (248) [system] char_type('(', 'white')
   Call: (248) [system] char_type('(', end_of_line)
   Call: (248) [system] char_type('(', space)
   Call: (248) [system] char_type('(', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _844274)
   Exit: (246) [system] get_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('='('
   Exit: (246) [system] '('='('
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _833948)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _849844)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (248) [system] 'I'=(;)
^  Call: (248) [user] is_like_space('I')
   Call: (249) [system] char_type('I', 'white')
   Call: (249) [system] char_type('I', end_of_line)
   Call: (249) [system] char_type('I', space)
   Call: (249) [system] char_type('I', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _858312)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (247) [system] 'I'=')'
   Call: (247) [system] 'I'=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _862026)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _863884)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (249) [system] 'I'=(;)
^  Call: (249) [user] is_like_space('I')
   Call: (250) [system] char_type('I', 'white')
   Call: (250) [system] char_type('I', end_of_line)
   Call: (250) [system] char_type('I', space)
   Call: (250) [system] char_type('I', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _872352)
   Exit: (248) [system] get_char((0x56051b6b4f40), 'I')
   Call: (248) [system] 'I'='('
   Call: (248) [system] 'I'='['
   Call: (248) [system] 'I'='{'
   Call: (248) [system] 'I'='"'
   Call: (248) [system] 'I'=!
   Call: (248) [system] 'I'='\''
   Call: (248) [system] 'I'='`'
   Call: (248) [system] 'I'=end_of_file
^  Call: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _862026)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _882570)
   Call: (250) [system] peek_char((0x56051b6b4f40), _883504)
   Exit: (250) [system] peek_char((0x56051b6b4f40), m)
^  Call: (250) [user] is_delimiter(m)
   Call: (251) [system] char_type(m, space)
   Call: (251) [system] arg(_887296, v('(', ')', end_of_file), m)
   Call: (250) [system] ')'==m
   Call: (250) [system] get_char((0x56051b6b4f40), m)
   Exit: (250) [system] get_char((0x56051b6b4f40), m)
   Call: (250) [system] m=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _891866)
   Call: (251) [system] peek_char((0x56051b6b4f40), _892800)
   Exit: (251) [system] peek_char((0x56051b6b4f40), p)
^  Call: (251) [user] is_delimiter(p)
   Call: (252) [system] char_type(p, space)
   Call: (252) [system] arg(_896592, v('(', ')', end_of_file), p)
   Call: (251) [system] ')'==p
   Call: (251) [system] get_char((0x56051b6b4f40), p)
   Exit: (251) [system] get_char((0x56051b6b4f40), p)
   Call: (251) [system] p=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _901162)
   Call: (252) [system] peek_char((0x56051b6b4f40), _902096)
   Exit: (252) [system] peek_char((0x56051b6b4f40), l)
^  Call: (252) [user] is_delimiter(l)
   Call: (253) [system] char_type(l, space)
   Call: (253) [system] arg(_905888, v('(', ')', end_of_file), l)
   Call: (252) [system] ')'==l
   Call: (252) [system] get_char((0x56051b6b4f40), l)
   Exit: (252) [system] get_char((0x56051b6b4f40), l)
   Call: (252) [system] l=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _910458)
   Call: (253) [system] peek_char((0x56051b6b4f40), _911392)
   Exit: (253) [system] peek_char((0x56051b6b4f40), i)
^  Call: (253) [user] is_delimiter(i)
   Call: (254) [system] char_type(i, space)
   Call: (254) [system] arg(_915184, v('(', ')', end_of_file), i)
   Call: (253) [system] ')'==i
   Call: (253) [system] get_char((0x56051b6b4f40), i)
   Exit: (253) [system] get_char((0x56051b6b4f40), i)
   Call: (253) [system] i=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _919754)
   Call: (254) [system] peek_char((0x56051b6b4f40), _920688)
   Exit: (254) [system] peek_char((0x56051b6b4f40), c)
^  Call: (254) [user] is_delimiter(c)
   Call: (255) [system] char_type(c, space)
   Call: (255) [system] arg(_924480, v('(', ')', end_of_file), c)
   Call: (254) [system] ')'==c
   Call: (254) [system] get_char((0x56051b6b4f40), c)
   Exit: (254) [system] get_char((0x56051b6b4f40), c)
   Call: (254) [system] c=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _929050)
   Call: (255) [system] peek_char((0x56051b6b4f40), _929984)
   Exit: (255) [system] peek_char((0x56051b6b4f40), a)
^  Call: (255) [user] is_delimiter(a)
   Call: (256) [system] char_type(a, space)
   Call: (256) [system] arg(_933776, v('(', ')', end_of_file), a)
   Call: (255) [system] ')'==a
   Call: (255) [system] get_char((0x56051b6b4f40), a)
   Exit: (255) [system] get_char((0x56051b6b4f40), a)
   Call: (255) [system] a=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _938346)
   Call: (256) [system] peek_char((0x56051b6b4f40), _939280)
   Exit: (256) [system] peek_char((0x56051b6b4f40), t)
^  Call: (256) [user] is_delimiter(t)
   Call: (257) [system] char_type(t, space)
   Call: (257) [system] arg(_943072, v('(', ')', end_of_file), t)
   Call: (256) [system] ')'==t
   Call: (256) [system] get_char((0x56051b6b4f40), t)
   Exit: (256) [system] get_char((0x56051b6b4f40), t)
   Call: (256) [system] t=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _947642)
   Call: (257) [system] peek_char((0x56051b6b4f40), _948576)
   Exit: (257) [system] peek_char((0x56051b6b4f40), i)
^  Call: (257) [user] is_delimiter(i)
   Call: (258) [system] char_type(i, space)
   Call: (258) [system] arg(_952368, v('(', ')', end_of_file), i)
   Call: (257) [system] ')'==i
   Call: (257) [system] get_char((0x56051b6b4f40), i)
   Exit: (257) [system] get_char((0x56051b6b4f40), i)
   Call: (257) [system] i=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _956938)
   Call: (258) [system] peek_char((0x56051b6b4f40), _957872)
   Exit: (258) [system] peek_char((0x56051b6b4f40), o)
^  Call: (258) [user] is_delimiter(o)
   Call: (259) [system] char_type(o, space)
   Call: (259) [system] arg(_961664, v('(', ')', end_of_file), o)
   Call: (258) [system] ')'==o
   Call: (258) [system] get_char((0x56051b6b4f40), o)
   Exit: (258) [system] get_char((0x56051b6b4f40), o)
   Call: (258) [system] o=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _966234)
   Call: (259) [system] peek_char((0x56051b6b4f40), _967168)
   Exit: (259) [system] peek_char((0x56051b6b4f40), n)
^  Call: (259) [user] is_delimiter(n)
   Call: (260) [system] char_type(n, space)
   Call: (260) [system] arg(_970960, v('(', ')', end_of_file), n)
   Call: (259) [system] ')'==n
   Call: (259) [system] get_char((0x56051b6b4f40), n)
   Exit: (259) [system] get_char((0x56051b6b4f40), n)
   Call: (259) [system] n=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _975530)
   Call: (260) [system] peek_char((0x56051b6b4f40), _976464)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (260) [user] is_delimiter(' ')
   Call: (261) [system] char_type(' ', space)
   Exit: (261) [system] char_type(' ', space)
^  Exit: (260) [user] is_delimiter(' ')
   Call: (260) [system] _975530=[]
   Exit: (260) [system] []=[]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (259) [system] _966234=[n]
   Exit: (259) [system] [n]=[n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (258) [system] _956938=[o, n]
   Exit: (258) [system] [o, n]=[o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (257) [system] _947642=[i, o, n]
   Exit: (257) [system] [i, o, n]=[i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (256) [system] _938346=[t, i, o, n]
   Exit: (256) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (255) [system] _929050=[a, t, i, o, n]
   Exit: (255) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (254) [system] _919754=[c, a, t, i, o, n]
   Exit: (254) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (253) [system] _910458=[i, c, a, t, i, o, n]
   Exit: (253) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (252) [system] _901162=[l, i, c, a, t, i, o, n]
   Exit: (252) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (251) [system] _891866=[p, l, i, c, a, t, i, o, n]
   Exit: (251) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (250) [system] _882570=[m, p, l, i, c, a, t, i, o, n]
   Exit: (250) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (249) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _862026)
^  Call: (251) [system] setup_call_cleanup('$notrace'(_1013714, _1013716), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _862026), _1013690, fail)), '$restore_trace'(_1013714, _1013716))
^  Call: (252) [system] sig_atomic(system:'$notrace'(_1013714, _1013716))
^  Exit: (251) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _862026), _1013690, fail)), system:'$restore_trace'(3, -1))
   Call: (250) [system] atomic(_862026)
   Call: (250) [system] atom_chars(_862026, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (250) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (249) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1022166)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1024024)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (249) [system] ' '=(;)
^  Call: (249) [user] is_like_space(' ')
   Call: (250) [system] char_type(' ', 'white')
   Exit: (250) [system] char_type(' ', 'white')
^  Exit: (249) [user] is_like_space(' ')
   Call: (249) [system] get_char((0x56051b6b4f40), _1030834)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1033538)
   Exit: (250) [system] peek_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('=(;)
^  Call: (250) [user] is_like_space('(')
   Call: (251) [system] char_type('(', 'white')
   Call: (251) [system] char_type('(', end_of_line)
   Call: (251) [system] char_type('(', space)
   Call: (251) [system] char_type('(', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1042930)
   Exit: (248) [system] peek_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('=')'
   Call: (248) [system] '('=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _1046644)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1048502)
   Exit: (250) [system] peek_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('=(;)
^  Call: (250) [user] is_like_space('(')
   Call: (251) [system] char_type('(', 'white')
   Call: (251) [system] char_type('(', end_of_line)
   Call: (251) [system] char_type('(', space)
   Call: (251) [system] char_type('(', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _1056970)
   Exit: (249) [system] get_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('='('
   Exit: (249) [system] '('='('
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1046644)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1062540)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (251) [system] 'A'=(;)
^  Call: (251) [user] is_like_space('A')
   Call: (252) [system] char_type('A', 'white')
   Call: (252) [system] char_type('A', end_of_line)
   Call: (252) [system] char_type('A', space)
   Call: (252) [system] char_type('A', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1071008)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (250) [system] 'A'=')'
   Call: (250) [system] 'A'=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _1074722)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1076580)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'=(;)
^  Call: (252) [user] is_like_space('A')
   Call: (253) [system] char_type('A', 'white')
   Call: (253) [system] char_type('A', end_of_line)
   Call: (253) [system] char_type('A', space)
   Call: (253) [system] char_type('A', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _1085048)
   Exit: (251) [system] get_char((0x56051b6b4f40), 'A')
   Call: (251) [system] 'A'='('
   Call: (251) [system] 'A'='['
   Call: (251) [system] 'A'='{'
   Call: (251) [system] 'A'='"'
   Call: (251) [system] 'A'=!
   Call: (251) [system] 'A'='\''
   Call: (251) [system] 'A'='`'
   Call: (251) [system] 'A'=end_of_file
^  Call: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1074722)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1095266)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1096200)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1099992, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1104562)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1105496)
   Exit: (254) [system] peek_char((0x56051b6b4f40), d)
^  Call: (254) [user] is_delimiter(d)
   Call: (255) [system] char_type(d, space)
   Call: (255) [system] arg(_1109288, v('(', ')', end_of_file), d)
   Call: (254) [system] ')'==d
   Call: (254) [system] get_char((0x56051b6b4f40), d)
   Exit: (254) [system] get_char((0x56051b6b4f40), d)
   Call: (254) [system] d=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1113858)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1114792)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (255) [user] is_delimiter('L')
   Call: (256) [system] char_type('L', space)
   Call: (256) [system] arg(_1118584, v('(', ')', end_of_file), 'L')
   Call: (255) [system] ')'=='L'
   Call: (255) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (255) [system] get_char((0x56051b6b4f40), 'L')
   Call: (255) [system] 'L'=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1123154)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1124088)
   Exit: (256) [system] peek_char((0x56051b6b4f40), i)
^  Call: (256) [user] is_delimiter(i)
   Call: (257) [system] char_type(i, space)
   Call: (257) [system] arg(_1127880, v('(', ')', end_of_file), i)
   Call: (256) [system] ')'==i
   Call: (256) [system] get_char((0x56051b6b4f40), i)
   Exit: (256) [system] get_char((0x56051b6b4f40), i)
   Call: (256) [system] i=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1132450)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1133384)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_1137176, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1141746)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1142680)
   Exit: (258) [system] peek_char((0x56051b6b4f40), k)
^  Call: (258) [user] is_delimiter(k)
   Call: (259) [system] char_type(k, space)
   Call: (259) [system] arg(_1146472, v('(', ')', end_of_file), k)
   Call: (258) [system] ')'==k
   Call: (258) [system] get_char((0x56051b6b4f40), k)
   Exit: (258) [system] get_char((0x56051b6b4f40), k)
   Call: (258) [system] k=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1151042)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1151976)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (259) [user] is_delimiter(' ')
   Call: (260) [system] char_type(' ', space)
   Exit: (260) [system] char_type(' ', space)
^  Exit: (259) [user] is_delimiter(' ')
   Call: (259) [system] _1151042=[]
   Exit: (259) [system] []=[]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (258) [system] _1141746=[k]
   Exit: (258) [system] [k]=[k]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (257) [system] _1132450=[n, k]
   Exit: (257) [system] [n, k]=[n, k]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (256) [system] _1123154=[i, n, k]
   Exit: (256) [system] [i, n, k]=[i, n, k]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (255) [system] _1113858=['L', i, n, k]
   Exit: (255) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (254) [system] _1104562=[d, 'L', i, n, k]
   Exit: (254) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (253) [system] _1095266=[n, d, 'L', i, n, k]
   Exit: (253) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (252) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1074722)
^  Call: (254) [system] setup_call_cleanup('$notrace'(_1178050, _1178052), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1074722), _1178026, fail)), '$restore_trace'(_1178050, _1178052))
^  Call: (255) [system] sig_atomic(system:'$notrace'(_1178050, _1178052))
^  Exit: (254) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1074722), _1178026, fail)), system:'$restore_trace'(3, -1))
   Call: (253) [system] atomic(_1074722)
   Call: (253) [system] atom_chars(_1074722, ['A', n, d, 'L', i, n, k])
   Exit: (253) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (252) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _1186502)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1188360)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (252) [system] ' '=(;)
^  Call: (252) [user] is_like_space(' ')
   Call: (253) [system] char_type(' ', 'white')
   Exit: (253) [system] char_type(' ', 'white')
^  Exit: (252) [user] is_like_space(' ')
   Call: (252) [system] get_char((0x56051b6b4f40), _1195170)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1197874)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (253) [system] 'A'=(;)
^  Call: (253) [user] is_like_space('A')
   Call: (254) [system] char_type('A', 'white')
   Call: (254) [system] char_type('A', end_of_line)
   Call: (254) [system] char_type('A', space)
   Call: (254) [system] char_type('A', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1207266)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (251) [system] 'A'=')'
   Call: (251) [system] 'A'=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _1210980)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1212838)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (253) [system] 'A'=(;)
^  Call: (253) [user] is_like_space('A')
   Call: (254) [system] char_type('A', 'white')
   Call: (254) [system] char_type('A', end_of_line)
   Call: (254) [system] char_type('A', space)
   Call: (254) [system] char_type('A', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _1221306)
   Exit: (252) [system] get_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'='('
   Call: (252) [system] 'A'='['
   Call: (252) [system] 'A'='{'
   Call: (252) [system] 'A'='"'
   Call: (252) [system] 'A'=!
   Call: (252) [system] 'A'='\''
   Call: (252) [system] 'A'='`'
   Call: (252) [system] 'A'=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1210980)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1231524)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1232458)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1231524=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (253) [user] classify_and_convert_charseq('A', [], _1210980)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_1241768, _1241770), once(user:catch(read_from_chars(['A'], _1210980), _1241744, fail)), '$restore_trace'(_1241768, _1241770))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_1241768, _1241770))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1210980), _1241744, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(_1210980)
   Call: (254) [system] atom_chars(_1210980, ['A'])
   Exit: (254) [system] atom_chars('A', ['A'])
^  Exit: (253) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _1250220)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1252078)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (253) [system] ' '=(;)
^  Call: (253) [user] is_like_space(' ')
   Call: (254) [system] char_type(' ', 'white')
   Exit: (254) [system] char_type(' ', 'white')
^  Exit: (253) [user] is_like_space(' ')
   Call: (253) [system] get_char((0x56051b6b4f40), _1258888)
   Exit: (253) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1261592)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (254) [system] 'B'=(;)
^  Call: (254) [user] is_like_space('B')
   Call: (255) [system] char_type('B', 'white')
   Call: (255) [system] char_type('B', end_of_line)
   Call: (255) [system] char_type('B', space)
   Call: (255) [system] char_type('B', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1270984)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (252) [system] 'B'=')'
   Call: (252) [system] 'B'=end_of_file
^  Call: (252) [user] cont_sexpr(')', (0x56051b6b4f40), _1274698)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1276556)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (254) [system] 'B'=(;)
^  Call: (254) [user] is_like_space('B')
   Call: (255) [system] char_type('B', 'white')
   Call: (255) [system] char_type('B', end_of_line)
   Call: (255) [system] char_type('B', space)
   Call: (255) [system] char_type('B', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] get_char((0x56051b6b4f40), _1285024)
   Exit: (253) [system] get_char((0x56051b6b4f40), 'B')
   Call: (253) [system] 'B'='('
   Call: (253) [system] 'B'='['
   Call: (253) [system] 'B'='{'
   Call: (253) [system] 'B'='"'
   Call: (253) [system] 'B'=!
   Call: (253) [system] 'B'='\''
   Call: (253) [system] 'B'='`'
   Call: (253) [system] 'B'=end_of_file
^  Call: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1274698)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1295242)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1296176)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (255) [user] is_delimiter(')')
   Call: (256) [system] char_type(')', space)
   Call: (256) [system] arg(_1299968, v('(', ')', end_of_file), ')')
   Exit: (256) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (255) [user] is_delimiter(')')
   Call: (255) [system] _1295242=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (254) [user] classify_and_convert_charseq('B', [], _1274698)
^  Call: (256) [system] setup_call_cleanup('$notrace'(_1306430, _1306432), once(user:catch(read_from_chars(['B'], _1274698), _1306406, fail)), '$restore_trace'(_1306430, _1306432))
^  Call: (257) [system] sig_atomic(system:'$notrace'(_1306430, _1306432))
^  Exit: (256) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1274698), _1306406, fail)), system:'$restore_trace'(3, -1))
   Call: (255) [system] atomic(_1274698)
   Call: (255) [system] atom_chars(_1274698, ['B'])
   Exit: (255) [system] atom_chars('B', ['B'])
^  Exit: (254) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (252) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (252) [user] read_list(')', (0x56051b6b4f40), _1314882)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1316740)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
   Call: (254) [system] ')'=(;)
^  Call: (254) [user] is_like_space(')')
   Call: (255) [system] char_type(')', 'white')
   Call: (255) [system] char_type(')', end_of_line)
   Call: (255) [system] char_type(')', space)
   Call: (255) [system] char_type(')', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1325208)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
   Call: (253) [system] ')'=')'
   Exit: (253) [system] ')'=')'
   Call: (253) [system] get_char((0x56051b6b4f40), _1328998)
   Exit: (253) [system] get_char((0x56051b6b4f40), ')')
   Call: (253) [system] _1314882=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (252) [system] _1250220=['B']
   Exit: (252) [system] ['B']=['B']
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (251) [system] _1186502=['A', 'B']
   Exit: (251) [system] ['A', 'B']=['A', 'B']
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (250) [system] _1046644=['AndLink', 'A', 'B']
   Exit: (250) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1342880)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1344738)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (250) [system] ' '=(;)
^  Call: (250) [user] is_like_space(' ')
   Call: (251) [system] char_type(' ', 'white')
   Exit: (251) [system] char_type(' ', 'white')
^  Exit: (250) [user] is_like_space(' ')
   Call: (250) [system] get_char((0x56051b6b4f40), _1351548)
   Exit: (250) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1354252)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (251) [system] 'C'=(;)
^  Call: (251) [user] is_like_space('C')
   Call: (252) [system] char_type('C', 'white')
   Call: (252) [system] char_type('C', end_of_line)
   Call: (252) [system] char_type('C', space)
   Call: (252) [system] char_type('C', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1363644)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (249) [system] 'C'=')'
   Call: (249) [system] 'C'=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _1367358)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1369216)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (251) [system] 'C'=(;)
^  Call: (251) [user] is_like_space('C')
   Call: (252) [system] char_type('C', 'white')
   Call: (252) [system] char_type('C', end_of_line)
   Call: (252) [system] char_type('C', space)
   Call: (252) [system] char_type('C', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _1377684)
   Exit: (250) [system] get_char((0x56051b6b4f40), 'C')
   Call: (250) [system] 'C'='('
   Call: (250) [system] 'C'='['
   Call: (250) [system] 'C'='{'
   Call: (250) [system] 'C'='"'
   Call: (250) [system] 'C'=!
   Call: (250) [system] 'C'='\''
   Call: (250) [system] 'C'='`'
   Call: (250) [system] 'C'=end_of_file
^  Call: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1367358)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1387902)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1388836)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (252) [user] is_delimiter(')')
   Call: (253) [system] char_type(')', space)
   Call: (253) [system] arg(_1392628, v('(', ')', end_of_file), ')')
   Exit: (253) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (252) [user] is_delimiter(')')
   Call: (252) [system] _1387902=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (251) [user] classify_and_convert_charseq('C', [], _1367358)
^  Call: (253) [system] setup_call_cleanup('$notrace'(_1399090, _1399092), once(user:catch(read_from_chars(['C'], _1367358), _1399066, fail)), '$restore_trace'(_1399090, _1399092))
^  Call: (254) [system] sig_atomic(system:'$notrace'(_1399090, _1399092))
^  Exit: (253) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1367358), _1399066, fail)), system:'$restore_trace'(3, -1))
   Call: (252) [system] atomic(_1367358)
   Call: (252) [system] atom_chars(_1367358, ['C'])
   Exit: (252) [system] atom_chars('C', ['C'])
^  Exit: (251) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1407542)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1409400)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
   Call: (251) [system] ')'=(;)
^  Call: (251) [user] is_like_space(')')
   Call: (252) [system] char_type(')', 'white')
   Call: (252) [system] char_type(')', end_of_line)
   Call: (252) [system] char_type(')', space)
   Call: (252) [system] char_type(')', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1417868)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
   Call: (250) [system] ')'=')'
   Exit: (250) [system] ')'=')'
   Call: (250) [system] get_char((0x56051b6b4f40), _1421658)
   Exit: (250) [system] get_char((0x56051b6b4f40), ')')
   Call: (250) [system] _1407542=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (249) [system] _1342880=['C']
   Exit: (249) [system] ['C']=['C']
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (248) [system] _1022166=[['AndLink', 'A', 'B'], 'C']
   Exit: (248) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (247) [system] _833948=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (247) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1435540)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1437398)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=(;)
^  Call: (247) [user] is_like_space(')')
   Call: (248) [system] char_type(')', 'white')
   Call: (248) [system] char_type(')', end_of_line)
   Call: (248) [system] char_type(')', space)
   Call: (248) [system] char_type(')', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1445866)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=')'
   Exit: (246) [system] ')'=')'
   Call: (246) [system] get_char((0x56051b6b4f40), _1449656)
   Exit: (246) [system] get_char((0x56051b6b4f40), ')')
   Call: (246) [system] _1435540=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (245) [system] _809470=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (245) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (244) [system] _183400=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (244) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (243) [system] _55632=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (243) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _1463538)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1465396)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=(;)
^  Call: (243) [user] is_like_space(')')
   Call: (244) [system] char_type(')', 'white')
   Call: (244) [system] char_type(')', end_of_line)
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] char_type(')', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1473864)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=')'
   Exit: (242) [system] ')'=')'
   Call: (242) [system] get_char((0x56051b6b4f40), _1477654)
   Exit: (242) [system] get_char((0x56051b6b4f40), ')')
   Call: (242) [system] _1463538=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (241) [system] _31154=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (241) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (240) [system] _9838=['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (240) [system] ['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (239) [system] _9830=['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (239) [system] ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1491536)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1493394)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=(;)
^  Call: (239) [user] is_like_space(')')
   Call: (240) [system] char_type(')', 'white')
   Call: (240) [system] char_type(')', end_of_line)
   Call: (240) [system] char_type(')', space)
   Call: (240) [system] char_type(')', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1501862)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ')')
   Call: (238) [system] ')'=')'
   Exit: (238) [system] ')'=')'
   Call: (238) [system] get_char((0x56051b6b4f40), _1505652)
   Exit: (238) [system] get_char((0x56051b6b4f40), ')')
   Call: (238) [system] _1491536=[]
   Exit: (238) [system] []=[]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (237) [system] _9826=[['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (237) [system] [['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (236) [system] _9784=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (236) [system] [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (235) [system] _9776=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (235) [system] [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (234) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (233) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (233) [user] read_list(')', (0x56051b6b4f40), _1519534)
^  Call: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1521392)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (235) [system] '\n'=(;)
^  Call: (235) [user] is_like_space('\n')
   Call: (236) [system] char_type('\n', 'white')
   Call: (236) [system] char_type('\n', end_of_line)
   Exit: (236) [system] char_type('\n', end_of_line)
^  Exit: (235) [user] is_like_space('\n')
   Call: (235) [system] get_char((0x56051b6b4f40), _1529008)
   Exit: (235) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1531712)
   Exit: (236) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (236) [system] ' '=(;)
^  Call: (236) [user] is_like_space(' ')
   Call: (237) [system] char_type(' ', 'white')
   Exit: (237) [system] char_type(' ', 'white')
^  Exit: (236) [user] is_like_space(' ')
   Call: (236) [system] get_char((0x56051b6b4f40), _1538522)
   Exit: (236) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1541226)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (234) [user] skip_spaces((0x56051b6b4f40))
   Call: (234) [system] peek_char((0x56051b6b4f40), _1551542)
   Exit: (234) [system] peek_char((0x56051b6b4f40), '(')
   Call: (234) [system] '('=')'
   Call: (234) [system] '('=end_of_file
^  Call: (234) [user] cont_sexpr(')', (0x56051b6b4f40), _1555256)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1557114)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=(;)
^  Call: (236) [user] is_like_space('(')
   Call: (237) [system] char_type('(', 'white')
   Call: (237) [system] char_type('(', end_of_line)
   Call: (237) [system] char_type('(', space)
   Call: (237) [system] char_type('(', cntrl)
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] get_char((0x56051b6b4f40), _1565582)
   Exit: (235) [system] get_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('='('
   Exit: (235) [system] '('='('
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _1555256)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1571152)
   Exit: (237) [system] peek_char((0x56051b6b4f40), :)
   Call: (237) [system] (:)=(;)
^  Call: (237) [user] is_like_space(:)
   Call: (238) [system] char_type(:, 'white')
   Call: (238) [system] char_type(:, end_of_line)
   Call: (238) [system] char_type(:, space)
   Call: (238) [system] char_type(:, cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1579620)
   Exit: (236) [system] peek_char((0x56051b6b4f40), :)
   Call: (236) [system] (:)=')'
   Call: (236) [system] (:)=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _1583334)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1585192)
   Exit: (238) [system] peek_char((0x56051b6b4f40), :)
   Call: (238) [system] (:)=(;)
^  Call: (238) [user] is_like_space(:)
   Call: (239) [system] char_type(:, 'white')
   Call: (239) [system] char_type(:, end_of_line)
   Call: (239) [system] char_type(:, space)
   Call: (239) [system] char_type(:, cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _1593660)
   Exit: (237) [system] get_char((0x56051b6b4f40), :)
   Call: (237) [system] (:)='('
   Call: (237) [system] (:)='['
   Call: (237) [system] (:)='{'
   Call: (237) [system] (:)='"'
   Call: (237) [system] (:)=!
   Call: (237) [system] (:)='\''
   Call: (237) [system] (:)='`'
   Call: (237) [system] (:)=end_of_file
^  Call: (237) [user] read_symbolic(')', (0x56051b6b4f40), :, _1583334)
^  Call: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1603878)
   Call: (239) [system] peek_char((0x56051b6b4f40), _1604812)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] is_delimiter(' ')
   Call: (240) [system] char_type(' ', space)
   Exit: (240) [system] char_type(' ', space)
^  Exit: (239) [user] is_delimiter(' ')
   Call: (239) [system] _1603878=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (238) [user] classify_and_convert_charseq(:, [], _1583334)
^  Call: (240) [system] setup_call_cleanup('$notrace'(_1614122, _1614124), once(user:catch(read_from_chars([:], _1583334), _1614098, fail)), '$restore_trace'(_1614122, _1614124))
^  Call: (241) [system] sig_atomic(system:'$notrace'(_1614122, _1614124))
^  Exit: (240) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1614098, fail)), system:'$restore_trace'(3, -1))
   Call: (239) [system] atomic(:)
   Exit: (239) [system] atomic(:)
^  Exit: (238) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (237) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1621622)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1623480)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _1630290)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1632994)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1642386)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=')'
   Call: (237) [system] '('=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1646100)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1647958)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1656426)
   Exit: (238) [system] get_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('='('
   Exit: (238) [system] '('='('
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1646100)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1661996)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (240) [system] 'D'=(;)
^  Call: (240) [user] is_like_space('D')
   Call: (241) [system] char_type('D', 'white')
   Call: (241) [system] char_type('D', end_of_line)
   Call: (241) [system] char_type('D', space)
   Call: (241) [system] char_type('D', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1670464)
   Exit: (239) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (239) [system] 'D'=')'
   Call: (239) [system] 'D'=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _1674178)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1676036)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (241) [system] 'D'=(;)
^  Call: (241) [user] is_like_space('D')
   Call: (242) [system] char_type('D', 'white')
   Call: (242) [system] char_type('D', end_of_line)
   Call: (242) [system] char_type('D', space)
   Call: (242) [system] char_type('D', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _1684504)
   Exit: (240) [system] get_char((0x56051b6b4f40), 'D')
   Call: (240) [system] 'D'='('
   Call: (240) [system] 'D'='['
   Call: (240) [system] 'D'='{'
   Call: (240) [system] 'D'='"'
   Call: (240) [system] 'D'=!
   Call: (240) [system] 'D'='\''
   Call: (240) [system] 'D'='`'
   Call: (240) [system] 'D'=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1674178)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1694722)
   Call: (242) [system] peek_char((0x56051b6b4f40), _1695656)
   Exit: (242) [system] peek_char((0x56051b6b4f40), i)
^  Call: (242) [user] is_delimiter(i)
   Call: (243) [system] char_type(i, space)
   Call: (243) [system] arg(_1699448, v('(', ')', end_of_file), i)
   Call: (242) [system] ')'==i
   Call: (242) [system] get_char((0x56051b6b4f40), i)
   Exit: (242) [system] get_char((0x56051b6b4f40), i)
   Call: (242) [system] i=(\)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1704018)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1704952)
   Exit: (243) [system] peek_char((0x56051b6b4f40), s)
^  Call: (243) [user] is_delimiter(s)
   Call: (244) [system] char_type(s, space)
   Call: (244) [system] arg(_1708744, v('(', ')', end_of_file), s)
   Call: (243) [system] ')'==s
   Call: (243) [system] get_char((0x56051b6b4f40), s)
   Exit: (243) [system] get_char((0x56051b6b4f40), s)
   Call: (243) [system] s=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1713314)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1714248)
   Exit: (244) [system] peek_char((0x56051b6b4f40), j)
^  Call: (244) [user] is_delimiter(j)
   Call: (245) [system] char_type(j, space)
   Call: (245) [system] arg(_1718040, v('(', ')', end_of_file), j)
   Call: (244) [system] ')'==j
   Call: (244) [system] get_char((0x56051b6b4f40), j)
   Exit: (244) [system] get_char((0x56051b6b4f40), j)
   Call: (244) [system] j=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1722610)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1723544)
   Exit: (245) [system] peek_char((0x56051b6b4f40), u)
^  Call: (245) [user] is_delimiter(u)
   Call: (246) [system] char_type(u, space)
   Call: (246) [system] arg(_1727336, v('(', ')', end_of_file), u)
   Call: (245) [system] ')'==u
   Call: (245) [system] get_char((0x56051b6b4f40), u)
   Exit: (245) [system] get_char((0x56051b6b4f40), u)
   Call: (245) [system] u=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1731906)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1732840)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_1736632, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1741202)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1742136)
   Exit: (247) [system] peek_char((0x56051b6b4f40), c)
^  Call: (247) [user] is_delimiter(c)
   Call: (248) [system] char_type(c, space)
   Call: (248) [system] arg(_1745928, v('(', ')', end_of_file), c)
   Call: (247) [system] ')'==c
   Call: (247) [system] get_char((0x56051b6b4f40), c)
   Exit: (247) [system] get_char((0x56051b6b4f40), c)
   Call: (247) [system] c=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1750498)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1751432)
   Exit: (248) [system] peek_char((0x56051b6b4f40), t)
^  Call: (248) [user] is_delimiter(t)
   Call: (249) [system] char_type(t, space)
   Call: (249) [system] arg(_1755224, v('(', ')', end_of_file), t)
   Call: (248) [system] ')'==t
   Call: (248) [system] get_char((0x56051b6b4f40), t)
   Exit: (248) [system] get_char((0x56051b6b4f40), t)
   Call: (248) [system] t=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1759794)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1760728)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_1764520, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1769090)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1770024)
   Exit: (250) [system] peek_char((0x56051b6b4f40), o)
^  Call: (250) [user] is_delimiter(o)
   Call: (251) [system] char_type(o, space)
   Call: (251) [system] arg(_1773816, v('(', ')', end_of_file), o)
   Call: (250) [system] ')'==o
   Call: (250) [system] get_char((0x56051b6b4f40), o)
   Exit: (250) [system] get_char((0x56051b6b4f40), o)
   Call: (250) [system] o=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1778386)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1779320)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_1783112, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1787682)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1788616)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (252) [user] is_delimiter('I')
   Call: (253) [system] char_type('I', space)
   Call: (253) [system] arg(_1792408, v('(', ')', end_of_file), 'I')
   Call: (252) [system] ')'=='I'
   Call: (252) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (252) [system] get_char((0x56051b6b4f40), 'I')
   Call: (252) [system] 'I'=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1796978)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1797912)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1801704, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1806274)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1807208)
   Exit: (254) [system] peek_char((0x56051b6b4f40), t)
^  Call: (254) [user] is_delimiter(t)
   Call: (255) [system] char_type(t, space)
   Call: (255) [system] arg(_1811000, v('(', ')', end_of_file), t)
   Call: (254) [system] ')'==t
   Call: (254) [system] get_char((0x56051b6b4f40), t)
   Exit: (254) [system] get_char((0x56051b6b4f40), t)
   Call: (254) [system] t=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1815570)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1816504)
   Exit: (255) [system] peek_char((0x56051b6b4f40), r)
^  Call: (255) [user] is_delimiter(r)
   Call: (256) [system] char_type(r, space)
   Call: (256) [system] arg(_1820296, v('(', ')', end_of_file), r)
   Call: (255) [system] ')'==r
   Call: (255) [system] get_char((0x56051b6b4f40), r)
   Exit: (255) [system] get_char((0x56051b6b4f40), r)
   Call: (255) [system] r=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1824866)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1825800)
   Exit: (256) [system] peek_char((0x56051b6b4f40), o)
^  Call: (256) [user] is_delimiter(o)
   Call: (257) [system] char_type(o, space)
   Call: (257) [system] arg(_1829592, v('(', ')', end_of_file), o)
   Call: (256) [system] ')'==o
   Call: (256) [system] get_char((0x56051b6b4f40), o)
   Exit: (256) [system] get_char((0x56051b6b4f40), o)
   Call: (256) [system] o=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1834162)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1835096)
   Exit: (257) [system] peek_char((0x56051b6b4f40), d)
^  Call: (257) [user] is_delimiter(d)
   Call: (258) [system] char_type(d, space)
   Call: (258) [system] arg(_1838888, v('(', ')', end_of_file), d)
   Call: (257) [system] ')'==d
   Call: (257) [system] get_char((0x56051b6b4f40), d)
   Exit: (257) [system] get_char((0x56051b6b4f40), d)
   Call: (257) [system] d=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1843458)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1844392)
   Exit: (258) [system] peek_char((0x56051b6b4f40), u)
^  Call: (258) [user] is_delimiter(u)
   Call: (259) [system] char_type(u, space)
   Call: (259) [system] arg(_1848184, v('(', ')', end_of_file), u)
   Call: (258) [system] ')'==u
   Call: (258) [system] get_char((0x56051b6b4f40), u)
   Exit: (258) [system] get_char((0x56051b6b4f40), u)
   Call: (258) [system] u=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1852754)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1853688)
   Exit: (259) [system] peek_char((0x56051b6b4f40), c)
^  Call: (259) [user] is_delimiter(c)
   Call: (260) [system] char_type(c, space)
   Call: (260) [system] arg(_1857480, v('(', ')', end_of_file), c)
   Call: (259) [system] ')'==c
   Call: (259) [system] get_char((0x56051b6b4f40), c)
   Exit: (259) [system] get_char((0x56051b6b4f40), c)
   Call: (259) [system] c=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1862050)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1862984)
   Exit: (260) [system] peek_char((0x56051b6b4f40), t)
^  Call: (260) [user] is_delimiter(t)
   Call: (261) [system] char_type(t, space)
   Call: (261) [system] arg(_1866776, v('(', ')', end_of_file), t)
   Call: (260) [system] ')'==t
   Call: (260) [system] get_char((0x56051b6b4f40), t)
   Exit: (260) [system] get_char((0x56051b6b4f40), t)
   Call: (260) [system] t=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1871346)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1872280)
   Exit: (261) [system] peek_char((0x56051b6b4f40), i)
^  Call: (261) [user] is_delimiter(i)
   Call: (262) [system] char_type(i, space)
   Call: (262) [system] arg(_1876072, v('(', ')', end_of_file), i)
   Call: (261) [system] ')'==i
   Call: (261) [system] get_char((0x56051b6b4f40), i)
   Exit: (261) [system] get_char((0x56051b6b4f40), i)
   Call: (261) [system] i=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1880642)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1881576)
   Exit: (262) [system] peek_char((0x56051b6b4f40), o)
^  Call: (262) [user] is_delimiter(o)
   Call: (263) [system] char_type(o, space)
   Call: (263) [system] arg(_1885368, v('(', ')', end_of_file), o)
   Call: (262) [system] ')'==o
   Call: (262) [system] get_char((0x56051b6b4f40), o)
   Exit: (262) [system] get_char((0x56051b6b4f40), o)
   Call: (262) [system] o=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1889938)
   Call: (263) [system] peek_char((0x56051b6b4f40), _1890872)
   Exit: (263) [system] peek_char((0x56051b6b4f40), n)
^  Call: (263) [user] is_delimiter(n)
   Call: (264) [system] char_type(n, space)
   Call: (264) [system] arg(_1894664, v('(', ')', end_of_file), n)
   Call: (263) [system] ')'==n
   Call: (263) [system] get_char((0x56051b6b4f40), n)
   Exit: (263) [system] get_char((0x56051b6b4f40), n)
   Call: (263) [system] n=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1899234)
   Call: (264) [system] peek_char((0x56051b6b4f40), _1900168)
   Exit: (264) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (264) [user] is_delimiter(' ')
   Call: (265) [system] char_type(' ', space)
   Exit: (265) [system] char_type(' ', space)
^  Exit: (264) [user] is_delimiter(' ')
   Call: (264) [system] _1899234=[]
   Exit: (264) [system] []=[]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (263) [system] _1889938=[n]
   Exit: (263) [system] [n]=[n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (262) [system] _1880642=[o, n]
   Exit: (262) [system] [o, n]=[o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (261) [system] _1871346=[i, o, n]
   Exit: (261) [system] [i, o, n]=[i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (260) [system] _1862050=[t, i, o, n]
   Exit: (260) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (259) [system] _1852754=[c, t, i, o, n]
   Exit: (259) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (258) [system] _1843458=[u, c, t, i, o, n]
   Exit: (258) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (257) [system] _1834162=[d, u, c, t, i, o, n]
   Exit: (257) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (256) [system] _1824866=[o, d, u, c, t, i, o, n]
   Exit: (256) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (255) [system] _1815570=[r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _1806274=[t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _1796978=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _1787682=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _1778386=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _1769090=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _1759794=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _1750498=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _1741202=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _1731906=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _1722610=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _1713314=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _1704018=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (242) [system] _1694722=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (242) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (241) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1674178)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_1970946, _1970948), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1674178), _1970922, fail)), '$restore_trace'(_1970946, _1970948))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_1970946, _1970948))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1674178), _1970922, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(_1674178)
   Call: (242) [system] atom_chars(_1674178, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (242) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (241) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1979398)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1981256)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _1988066)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1990770)
   Exit: (242) [system] peek_char((0x56051b6b4f40), a)
   Call: (242) [system] a=(;)
^  Call: (242) [user] is_like_space(a)
   Call: (243) [system] char_type(a, 'white')
   Call: (243) [system] char_type(a, end_of_line)
   Call: (243) [system] char_type(a, space)
   Call: (243) [system] char_type(a, cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _2000162)
   Exit: (240) [system] peek_char((0x56051b6b4f40), a)
   Call: (240) [system] a=')'
   Call: (240) [system] a=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _2003876)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _2005734)
   Exit: (242) [system] peek_char((0x56051b6b4f40), a)
   Call: (242) [system] a=(;)
^  Call: (242) [user] is_like_space(a)
   Call: (243) [system] char_type(a, 'white')
   Call: (243) [system] char_type(a, end_of_line)
   Call: (243) [system] char_type(a, space)
   Call: (243) [system] char_type(a, cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _2014202)
   Exit: (241) [system] get_char((0x56051b6b4f40), a)
   Call: (241) [system] a='('
   Call: (241) [system] a='['
   Call: (241) [system] a='{'
   Call: (241) [system] a='"'
   Call: (241) [system] a=!
   Call: (241) [system] a='\''
   Call: (241) [system] a='`'
   Call: (241) [system] a=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), a, _2003876)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2024420)
   Call: (243) [system] peek_char((0x56051b6b4f40), _2025354)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _2024420=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (242) [user] classify_and_convert_charseq(a, [], _2003876)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_2034664, _2034666), once(user:catch(read_from_chars([a], _2003876), _2034640, fail)), '$restore_trace'(_2034664, _2034666))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_2034664, _2034666))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _2034640, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(a)
   Exit: (243) [system] atomic(a)
^  Exit: (242) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _2042164)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _2044022)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _2050832)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _2053536)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=(;)
^  Call: (243) [user] is_like_space('(')
   Call: (244) [system] char_type('(', 'white')
   Call: (244) [system] char_type('(', end_of_line)
   Call: (244) [system] char_type('(', space)
   Call: (244) [system] char_type('(', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _2062928)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=')'
   Call: (241) [system] '('=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _2066642)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _2068500)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=(;)
^  Call: (243) [user] is_like_space('(')
   Call: (244) [system] char_type('(', 'white')
   Call: (244) [system] char_type('(', end_of_line)
   Call: (244) [system] char_type('(', space)
   Call: (244) [system] char_type('(', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _2076968)
   Exit: (242) [system] get_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('='('
   Exit: (242) [system] '('='('
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _2066642)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _2082538)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'=(;)
^  Call: (244) [user] is_like_space('D')
   Call: (245) [system] char_type('D', 'white')
   Call: (245) [system] char_type('D', end_of_line)
   Call: (245) [system] char_type('D', space)
   Call: (245) [system] char_type('D', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _2091006)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'=')'
   Call: (243) [system] 'D'=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _2094720)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _9984)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (245) [system] 'D'=(;)
^  Call: (245) [user] is_like_space('D')
   Call: (246) [system] char_type('D', 'white')
   Call: (246) [system] char_type('D', end_of_line)
   Call: (246) [system] char_type('D', space)
   Call: (246) [system] char_type('D', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _18232)
   Exit: (244) [system] get_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'='('
   Call: (244) [system] 'D'='['
   Call: (244) [system] 'D'='{'
   Call: (244) [system] 'D'='"'
   Call: (244) [system] 'D'=!
   Call: (244) [system] 'D'='\''
   Call: (244) [system] 'D'='`'
   Call: (244) [system] 'D'=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _9980)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _28450)
   Call: (246) [system] peek_char((0x56051b6b4f40), _29384)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_33176, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _37746)
   Call: (247) [system] peek_char((0x56051b6b4f40), _38680)
   Exit: (247) [system] peek_char((0x56051b6b4f40), s)
^  Call: (247) [user] is_delimiter(s)
   Call: (248) [system] char_type(s, space)
   Call: (248) [system] arg(_42472, v('(', ')', end_of_file), s)
   Call: (247) [system] ')'==s
   Call: (247) [system] get_char((0x56051b6b4f40), s)
   Exit: (247) [system] get_char((0x56051b6b4f40), s)
   Call: (247) [system] s=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _47042)
   Call: (248) [system] peek_char((0x56051b6b4f40), _47976)
   Exit: (248) [system] peek_char((0x56051b6b4f40), j)
^  Call: (248) [user] is_delimiter(j)
   Call: (249) [system] char_type(j, space)
   Call: (249) [system] arg(_51768, v('(', ')', end_of_file), j)
   Call: (248) [system] ')'==j
   Call: (248) [system] get_char((0x56051b6b4f40), j)
   Exit: (248) [system] get_char((0x56051b6b4f40), j)
   Call: (248) [system] j=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _56338)
   Call: (249) [system] peek_char((0x56051b6b4f40), _57272)
   Exit: (249) [system] peek_char((0x56051b6b4f40), u)
^  Call: (249) [user] is_delimiter(u)
   Call: (250) [system] char_type(u, space)
   Call: (250) [system] arg(_61064, v('(', ')', end_of_file), u)
   Call: (249) [system] ')'==u
   Call: (249) [system] get_char((0x56051b6b4f40), u)
   Exit: (249) [system] get_char((0x56051b6b4f40), u)
   Call: (249) [system] u=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _65634)
   Call: (250) [system] peek_char((0x56051b6b4f40), _66568)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_70360, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _74930)
   Call: (251) [system] peek_char((0x56051b6b4f40), _75864)
   Exit: (251) [system] peek_char((0x56051b6b4f40), c)
^  Call: (251) [user] is_delimiter(c)
   Call: (252) [system] char_type(c, space)
   Call: (252) [system] arg(_79656, v('(', ')', end_of_file), c)
   Call: (251) [system] ')'==c
   Call: (251) [system] get_char((0x56051b6b4f40), c)
   Exit: (251) [system] get_char((0x56051b6b4f40), c)
   Call: (251) [system] c=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _84226)
   Call: (252) [system] peek_char((0x56051b6b4f40), _85160)
   Exit: (252) [system] peek_char((0x56051b6b4f40), t)
^  Call: (252) [user] is_delimiter(t)
   Call: (253) [system] char_type(t, space)
   Call: (253) [system] arg(_88952, v('(', ')', end_of_file), t)
   Call: (252) [system] ')'==t
   Call: (252) [system] get_char((0x56051b6b4f40), t)
   Exit: (252) [system] get_char((0x56051b6b4f40), t)
   Call: (252) [system] t=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _93522)
   Call: (253) [system] peek_char((0x56051b6b4f40), _94456)
   Exit: (253) [system] peek_char((0x56051b6b4f40), i)
^  Call: (253) [user] is_delimiter(i)
   Call: (254) [system] char_type(i, space)
   Call: (254) [system] arg(_98248, v('(', ')', end_of_file), i)
   Call: (253) [system] ')'==i
   Call: (253) [system] get_char((0x56051b6b4f40), i)
   Exit: (253) [system] get_char((0x56051b6b4f40), i)
   Call: (253) [system] i=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _102818)
   Call: (254) [system] peek_char((0x56051b6b4f40), _103752)
   Exit: (254) [system] peek_char((0x56051b6b4f40), o)
^  Call: (254) [user] is_delimiter(o)
   Call: (255) [system] char_type(o, space)
   Call: (255) [system] arg(_107544, v('(', ')', end_of_file), o)
   Call: (254) [system] ')'==o
   Call: (254) [system] get_char((0x56051b6b4f40), o)
   Exit: (254) [system] get_char((0x56051b6b4f40), o)
   Call: (254) [system] o=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _112114)
   Call: (255) [system] peek_char((0x56051b6b4f40), _113048)
   Exit: (255) [system] peek_char((0x56051b6b4f40), n)
^  Call: (255) [user] is_delimiter(n)
   Call: (256) [system] char_type(n, space)
   Call: (256) [system] arg(_116840, v('(', ')', end_of_file), n)
   Call: (255) [system] ')'==n
   Call: (255) [system] get_char((0x56051b6b4f40), n)
   Exit: (255) [system] get_char((0x56051b6b4f40), n)
   Call: (255) [system] n=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _121410)
   Call: (256) [system] peek_char((0x56051b6b4f40), _122344)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (256) [user] is_delimiter('I')
   Call: (257) [system] char_type('I', space)
   Call: (257) [system] arg(_126136, v('(', ')', end_of_file), 'I')
   Call: (256) [system] ')'=='I'
   Call: (256) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (256) [system] get_char((0x56051b6b4f40), 'I')
   Call: (256) [system] 'I'=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _130706)
   Call: (257) [system] peek_char((0x56051b6b4f40), _131640)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_135432, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _140002)
   Call: (258) [system] peek_char((0x56051b6b4f40), _140936)
   Exit: (258) [system] peek_char((0x56051b6b4f40), t)
^  Call: (258) [user] is_delimiter(t)
   Call: (259) [system] char_type(t, space)
   Call: (259) [system] arg(_144728, v('(', ')', end_of_file), t)
   Call: (258) [system] ')'==t
   Call: (258) [system] get_char((0x56051b6b4f40), t)
   Exit: (258) [system] get_char((0x56051b6b4f40), t)
   Call: (258) [system] t=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _149298)
   Call: (259) [system] peek_char((0x56051b6b4f40), _150232)
   Exit: (259) [system] peek_char((0x56051b6b4f40), r)
^  Call: (259) [user] is_delimiter(r)
   Call: (260) [system] char_type(r, space)
   Call: (260) [system] arg(_154024, v('(', ')', end_of_file), r)
   Call: (259) [system] ')'==r
   Call: (259) [system] get_char((0x56051b6b4f40), r)
   Exit: (259) [system] get_char((0x56051b6b4f40), r)
   Call: (259) [system] r=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _158594)
   Call: (260) [system] peek_char((0x56051b6b4f40), _159528)
   Exit: (260) [system] peek_char((0x56051b6b4f40), o)
^  Call: (260) [user] is_delimiter(o)
   Call: (261) [system] char_type(o, space)
   Call: (261) [system] arg(_163320, v('(', ')', end_of_file), o)
   Call: (260) [system] ')'==o
   Call: (260) [system] get_char((0x56051b6b4f40), o)
   Exit: (260) [system] get_char((0x56051b6b4f40), o)
   Call: (260) [system] o=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _167890)
   Call: (261) [system] peek_char((0x56051b6b4f40), _168824)
   Exit: (261) [system] peek_char((0x56051b6b4f40), d)
^  Call: (261) [user] is_delimiter(d)
   Call: (262) [system] char_type(d, space)
   Call: (262) [system] arg(_172616, v('(', ')', end_of_file), d)
   Call: (261) [system] ')'==d
   Call: (261) [system] get_char((0x56051b6b4f40), d)
   Exit: (261) [system] get_char((0x56051b6b4f40), d)
   Call: (261) [system] d=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _177186)
   Call: (262) [system] peek_char((0x56051b6b4f40), _178120)
   Exit: (262) [system] peek_char((0x56051b6b4f40), u)
^  Call: (262) [user] is_delimiter(u)
   Call: (263) [system] char_type(u, space)
   Call: (263) [system] arg(_181912, v('(', ')', end_of_file), u)
   Call: (262) [system] ')'==u
   Call: (262) [system] get_char((0x56051b6b4f40), u)
   Exit: (262) [system] get_char((0x56051b6b4f40), u)
   Call: (262) [system] u=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _186482)
   Call: (263) [system] peek_char((0x56051b6b4f40), _187416)
   Exit: (263) [system] peek_char((0x56051b6b4f40), c)
^  Call: (263) [user] is_delimiter(c)
   Call: (264) [system] char_type(c, space)
   Call: (264) [system] arg(_191208, v('(', ')', end_of_file), c)
   Call: (263) [system] ')'==c
   Call: (263) [system] get_char((0x56051b6b4f40), c)
   Exit: (263) [system] get_char((0x56051b6b4f40), c)
   Call: (263) [system] c=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _195778)
   Call: (264) [system] peek_char((0x56051b6b4f40), _196712)
   Exit: (264) [system] peek_char((0x56051b6b4f40), t)
^  Call: (264) [user] is_delimiter(t)
   Call: (265) [system] char_type(t, space)
   Call: (265) [system] arg(_200504, v('(', ')', end_of_file), t)
   Call: (264) [system] ')'==t
   Call: (264) [system] get_char((0x56051b6b4f40), t)
   Exit: (264) [system] get_char((0x56051b6b4f40), t)
   Call: (264) [system] t=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _205074)
   Call: (265) [system] peek_char((0x56051b6b4f40), _206008)
   Exit: (265) [system] peek_char((0x56051b6b4f40), i)
^  Call: (265) [user] is_delimiter(i)
   Call: (266) [system] char_type(i, space)
   Call: (266) [system] arg(_209800, v('(', ')', end_of_file), i)
   Call: (265) [system] ')'==i
   Call: (265) [system] get_char((0x56051b6b4f40), i)
   Exit: (265) [system] get_char((0x56051b6b4f40), i)
   Call: (265) [system] i=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _214370)
   Call: (266) [system] peek_char((0x56051b6b4f40), _215304)
   Exit: (266) [system] peek_char((0x56051b6b4f40), o)
^  Call: (266) [user] is_delimiter(o)
   Call: (267) [system] char_type(o, space)
   Call: (267) [system] arg(_219096, v('(', ')', end_of_file), o)
   Call: (266) [system] ')'==o
   Call: (266) [system] get_char((0x56051b6b4f40), o)
   Exit: (266) [system] get_char((0x56051b6b4f40), o)
   Call: (266) [system] o=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _223666)
   Call: (267) [system] peek_char((0x56051b6b4f40), _224600)
   Exit: (267) [system] peek_char((0x56051b6b4f40), n)
^  Call: (267) [user] is_delimiter(n)
   Call: (268) [system] char_type(n, space)
   Call: (268) [system] arg(_228392, v('(', ')', end_of_file), n)
   Call: (267) [system] ')'==n
   Call: (267) [system] get_char((0x56051b6b4f40), n)
   Exit: (267) [system] get_char((0x56051b6b4f40), n)
   Call: (267) [system] n=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _232962)
   Call: (268) [system] peek_char((0x56051b6b4f40), _233896)
   Exit: (268) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (268) [user] is_delimiter(' ')
   Call: (269) [system] char_type(' ', space)
   Exit: (269) [system] char_type(' ', space)
^  Exit: (268) [user] is_delimiter(' ')
   Call: (268) [system] _232962=[]
   Exit: (268) [system] []=[]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (267) [system] _223666=[n]
   Exit: (267) [system] [n]=[n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (266) [system] _214370=[o, n]
   Exit: (266) [system] [o, n]=[o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (265) [system] _205074=[i, o, n]
   Exit: (265) [system] [i, o, n]=[i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (264) [system] _195778=[t, i, o, n]
   Exit: (264) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (263) [system] _186482=[c, t, i, o, n]
   Exit: (263) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (262) [system] _177186=[u, c, t, i, o, n]
   Exit: (262) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (261) [system] _167890=[d, u, c, t, i, o, n]
   Exit: (261) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (260) [system] _158594=[o, d, u, c, t, i, o, n]
   Exit: (260) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (259) [system] _149298=[r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _140002=[t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _130706=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _121410=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _112114=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _102818=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _93522=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _84226=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _74930=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _65634=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _56338=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _47042=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _37746=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _28450=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (245) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9980)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_304674, _304676), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9980), _304650, fail)), '$restore_trace'(_304674, _304676))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_304674, _304676))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _9980), _304650, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(_9980)
   Call: (246) [system] atom_chars(_9980, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (246) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (245) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _313126)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _314984)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _321794)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _324498)
   Exit: (246) [system] peek_char((0x56051b6b4f40), a)
   Call: (246) [system] a=(;)
^  Call: (246) [user] is_like_space(a)
   Call: (247) [system] char_type(a, 'white')
   Call: (247) [system] char_type(a, end_of_line)
   Call: (247) [system] char_type(a, space)
   Call: (247) [system] char_type(a, cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _333890)
   Exit: (244) [system] peek_char((0x56051b6b4f40), a)
   Call: (244) [system] a=')'
   Call: (244) [system] a=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _337604)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _339462)
   Exit: (246) [system] peek_char((0x56051b6b4f40), a)
   Call: (246) [system] a=(;)
^  Call: (246) [user] is_like_space(a)
   Call: (247) [system] char_type(a, 'white')
   Call: (247) [system] char_type(a, end_of_line)
   Call: (247) [system] char_type(a, space)
   Call: (247) [system] char_type(a, cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _347930)
   Exit: (245) [system] get_char((0x56051b6b4f40), a)
   Call: (245) [system] a='('
   Call: (245) [system] a='['
   Call: (245) [system] a='{'
   Call: (245) [system] a='"'
   Call: (245) [system] a=!
   Call: (245) [system] a='\''
   Call: (245) [system] a='`'
   Call: (245) [system] a=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), a, _337604)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _358148)
   Call: (247) [system] peek_char((0x56051b6b4f40), _359082)
   Exit: (247) [system] peek_char((0x56051b6b4f40), b)
^  Call: (247) [user] is_delimiter(b)
   Call: (248) [system] char_type(b, space)
   Call: (248) [system] arg(_362874, v('(', ')', end_of_file), b)
   Call: (247) [system] ')'==b
   Call: (247) [system] get_char((0x56051b6b4f40), b)
   Exit: (247) [system] get_char((0x56051b6b4f40), b)
   Call: (247) [system] b=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _367444)
   Call: (248) [system] peek_char((0x56051b6b4f40), _368378)
   Exit: (248) [system] peek_char((0x56051b6b4f40), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_372170, v('(', ')', end_of_file), c)
   Call: (248) [system] ')'==c
   Call: (248) [system] get_char((0x56051b6b4f40), c)
   Exit: (248) [system] get_char((0x56051b6b4f40), c)
   Call: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _376740)
   Call: (249) [system] peek_char((0x56051b6b4f40), _377674)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _376740=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (248) [system] _367444=[c]
   Exit: (248) [system] [c]=[c]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (247) [system] _358148=[b, c]
   Exit: (247) [system] [b, c]=[b, c]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (246) [user] classify_and_convert_charseq(a, [b, c], _337604)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_392572, _392574), once(user:catch(read_from_chars([a, b, c], _337604), _392548, fail)), '$restore_trace'(_392572, _392574))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_392572, _392574))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _392548, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(abc)
   Exit: (247) [system] atomic(abc)
^  Exit: (246) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _400072)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _401930)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _408740)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _411444)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
   Call: (247) [system] a=(;)
^  Call: (247) [user] is_like_space(a)
   Call: (248) [system] char_type(a, 'white')
   Call: (248) [system] char_type(a, end_of_line)
   Call: (248) [system] char_type(a, space)
   Call: (248) [system] char_type(a, cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _420836)
   Exit: (245) [system] peek_char((0x56051b6b4f40), a)
   Call: (245) [system] a=')'
   Call: (245) [system] a=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _424550)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _426408)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
   Call: (247) [system] a=(;)
^  Call: (247) [user] is_like_space(a)
   Call: (248) [system] char_type(a, 'white')
   Call: (248) [system] char_type(a, end_of_line)
   Call: (248) [system] char_type(a, space)
   Call: (248) [system] char_type(a, cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _434876)
   Exit: (246) [system] get_char((0x56051b6b4f40), a)
   Call: (246) [system] a='('
   Call: (246) [system] a='['
   Call: (246) [system] a='{'
   Call: (246) [system] a='"'
   Call: (246) [system] a=!
   Call: (246) [system] a='\''
   Call: (246) [system] a='`'
   Call: (246) [system] a=end_of_file
^  Call: (246) [user] read_symbolic(')', (0x56051b6b4f40), a, _424550)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _445094)
   Call: (248) [system] peek_char((0x56051b6b4f40), _446028)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (248) [user] is_delimiter(')')
   Call: (249) [system] char_type(')', space)
   Call: (249) [system] arg(_449820, v('(', ')', end_of_file), ')')
   Exit: (249) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (248) [user] is_delimiter(')')
   Call: (248) [system] _445094=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (247) [user] classify_and_convert_charseq(a, [], _424550)
^  Call: (249) [system] setup_call_cleanup('$notrace'(_456282, _456284), once(user:catch(read_from_chars([a], _424550), _456258, fail)), '$restore_trace'(_456282, _456284))
^  Call: (250) [system] sig_atomic(system:'$notrace'(_456282, _456284))
^  Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _456258, fail)), system:'$restore_trace'(3, -1))
   Call: (248) [system] atomic(a)
   Exit: (248) [system] atomic(a)
^  Exit: (247) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (246) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _463782)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _465640)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=(;)
^  Call: (247) [user] is_like_space(')')
   Call: (248) [system] char_type(')', 'white')
   Call: (248) [system] char_type(')', end_of_line)
   Call: (248) [system] char_type(')', space)
   Call: (248) [system] char_type(')', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _474108)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=')'
   Exit: (246) [system] ')'=')'
   Call: (246) [system] get_char((0x56051b6b4f40), _477898)
   Exit: (246) [system] get_char((0x56051b6b4f40), ')')
   Call: (246) [system] _463782=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (245) [system] _400072=[a]
   Exit: (245) [system] [a]=[a]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (244) [system] _313126=[abc, a]
   Exit: (244) [system] [abc, a]=[abc, a]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (243) [system] _9974=['DisjunctionIntroduction', abc, a]
   Exit: (243) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _491780)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _493638)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=(;)
^  Call: (243) [user] is_like_space(')')
   Call: (244) [system] char_type(')', 'white')
   Call: (244) [system] char_type(')', end_of_line)
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] char_type(')', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _502106)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=')'
   Exit: (242) [system] ')'=')'
   Call: (242) [system] get_char((0x56051b6b4f40), _505896)
   Exit: (242) [system] get_char((0x56051b6b4f40), ')')
   Call: (242) [system] _491780=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (241) [system] _9970=[['DisjunctionIntroduction', abc, a]]
   Exit: (241) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, a]])
   Call: (240) [system] _9964=[a, ['DisjunctionIntroduction', abc, a]]
   Exit: (240) [system] [a, ['DisjunctionIntroduction', abc, a]]=[a, ['DisjunctionIntroduction', abc, a]]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [a, ['DisjunctionIntroduction', abc, a]])
   Call: (239) [system] _9956=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]]
   Exit: (239) [system] ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]])
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]])
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _519778)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _521636)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _528446)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _531150)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _540542)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=')'
   Call: (238) [system] '('=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _544256)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _546114)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _554582)
   Exit: (239) [system] get_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('='('
   Exit: (239) [system] '('='('
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _544256)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _560152)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (241) [system] 'O'=(;)
^  Call: (241) [user] is_like_space('O')
   Call: (242) [system] char_type('O', 'white')
   Call: (242) [system] char_type('O', end_of_line)
   Call: (242) [system] char_type('O', space)
   Call: (242) [system] char_type('O', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _568620)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (240) [system] 'O'=')'
   Call: (240) [system] 'O'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _572334)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _574192)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (242) [system] 'O'=(;)
^  Call: (242) [user] is_like_space('O')
   Call: (243) [system] char_type('O', 'white')
   Call: (243) [system] char_type('O', end_of_line)
   Call: (243) [system] char_type('O', space)
   Call: (243) [system] char_type('O', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _582660)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'O')
   Call: (241) [system] 'O'='('
   Call: (241) [system] 'O'='['
   Call: (241) [system] 'O'='{'
   Call: (241) [system] 'O'='"'
   Call: (241) [system] 'O'=!
   Call: (241) [system] 'O'='\''
   Call: (241) [system] 'O'='`'
   Call: (241) [system] 'O'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _572334)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _592878)
   Call: (243) [system] peek_char((0x56051b6b4f40), _593812)
   Exit: (243) [system] peek_char((0x56051b6b4f40), r)
^  Call: (243) [user] is_delimiter(r)
   Call: (244) [system] char_type(r, space)
   Call: (244) [system] arg(_597604, v('(', ')', end_of_file), r)
   Call: (243) [system] ')'==r
   Call: (243) [system] get_char((0x56051b6b4f40), r)
   Exit: (243) [system] get_char((0x56051b6b4f40), r)
   Call: (243) [system] r=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _602174)
   Call: (244) [system] peek_char((0x56051b6b4f40), _603108)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (244) [user] is_delimiter('L')
   Call: (245) [system] char_type('L', space)
   Call: (245) [system] arg(_606900, v('(', ')', end_of_file), 'L')
   Call: (244) [system] ')'=='L'
   Call: (244) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (244) [system] get_char((0x56051b6b4f40), 'L')
   Call: (244) [system] 'L'=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _611470)
   Call: (245) [system] peek_char((0x56051b6b4f40), _612404)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_616196, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _620766)
   Call: (246) [system] peek_char((0x56051b6b4f40), _621700)
   Exit: (246) [system] peek_char((0x56051b6b4f40), n)
^  Call: (246) [user] is_delimiter(n)
   Call: (247) [system] char_type(n, space)
   Call: (247) [system] arg(_625492, v('(', ')', end_of_file), n)
   Call: (246) [system] ')'==n
   Call: (246) [system] get_char((0x56051b6b4f40), n)
   Exit: (246) [system] get_char((0x56051b6b4f40), n)
   Call: (246) [system] n=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _630062)
   Call: (247) [system] peek_char((0x56051b6b4f40), _630996)
   Exit: (247) [system] peek_char((0x56051b6b4f40), k)
^  Call: (247) [user] is_delimiter(k)
   Call: (248) [system] char_type(k, space)
   Call: (248) [system] arg(_634788, v('(', ')', end_of_file), k)
   Call: (247) [system] ')'==k
   Call: (247) [system] get_char((0x56051b6b4f40), k)
   Exit: (247) [system] get_char((0x56051b6b4f40), k)
   Call: (247) [system] k=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _639358)
   Call: (248) [system] peek_char((0x56051b6b4f40), _640292)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _639358=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (247) [system] _630062=[k]
   Exit: (247) [system] [k]=[k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (246) [system] _620766=[n, k]
   Exit: (246) [system] [n, k]=[n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (245) [system] _611470=[i, n, k]
   Exit: (245) [system] [i, n, k]=[i, n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (244) [system] _602174=['L', i, n, k]
   Exit: (244) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (243) [system] _592878=[r, 'L', i, n, k]
   Exit: (243) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (242) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _572334)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_663572, _663574), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _572334), _663548, fail)), '$restore_trace'(_663572, _663574))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_663572, _663574))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _572334), _663548, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_572334)
   Call: (243) [system] atom_chars(_572334, ['O', r, 'L', i, n, k])
   Exit: (243) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (242) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _672024)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _673882)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _680692)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _683396)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (243) [system] 'B'=(;)
^  Call: (243) [user] is_like_space('B')
   Call: (244) [system] char_type('B', 'white')
   Call: (244) [system] char_type('B', end_of_line)
   Call: (244) [system] char_type('B', space)
   Call: (244) [system] char_type('B', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _692788)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (241) [system] 'B'=')'
   Call: (241) [system] 'B'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _696502)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _698360)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (243) [system] 'B'=(;)
^  Call: (243) [user] is_like_space('B')
   Call: (244) [system] char_type('B', 'white')
   Call: (244) [system] char_type('B', end_of_line)
   Call: (244) [system] char_type('B', space)
   Call: (244) [system] char_type('B', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _706828)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'B')
   Call: (242) [system] 'B'='('
   Call: (242) [system] 'B'='['
   Call: (242) [system] 'B'='{'
   Call: (242) [system] 'B'='"'
   Call: (242) [system] 'B'=!
   Call: (242) [system] 'B'='\''
   Call: (242) [system] 'B'='`'
   Call: (242) [system] 'B'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _696502)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _717046)
   Call: (244) [system] peek_char((0x56051b6b4f40), _717980)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _717046=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (243) [user] classify_and_convert_charseq('B', [], _696502)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_727290, _727292), once(user:catch(read_from_chars(['B'], _696502), _727266, fail)), '$restore_trace'(_727290, _727292))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_727290, _727292))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _696502), _727266, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_696502)
   Call: (244) [system] atom_chars(_696502, ['B'])
   Exit: (244) [system] atom_chars('B', ['B'])
^  Exit: (243) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _735742)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _737600)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _744410)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _747114)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _756506)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=')'
   Call: (242) [system] '('=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _760220)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _762078)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _770546)
   Exit: (243) [system] get_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('='('
   Exit: (243) [system] '('='('
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _760220)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _776116)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'=(;)
^  Call: (245) [user] is_like_space('O')
   Call: (246) [system] char_type('O', 'white')
   Call: (246) [system] char_type('O', end_of_line)
   Call: (246) [system] char_type('O', space)
   Call: (246) [system] char_type('O', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _784584)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (244) [system] 'O'=')'
   Call: (244) [system] 'O'=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _788298)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _790156)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (246) [system] 'O'=(;)
^  Call: (246) [user] is_like_space('O')
   Call: (247) [system] char_type('O', 'white')
   Call: (247) [system] char_type('O', end_of_line)
   Call: (247) [system] char_type('O', space)
   Call: (247) [system] char_type('O', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _798624)
   Exit: (245) [system] get_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'='('
   Call: (245) [system] 'O'='['
   Call: (245) [system] 'O'='{'
   Call: (245) [system] 'O'='"'
   Call: (245) [system] 'O'=!
   Call: (245) [system] 'O'='\''
   Call: (245) [system] 'O'='`'
   Call: (245) [system] 'O'=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _788298)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _808842)
   Call: (247) [system] peek_char((0x56051b6b4f40), _809776)
   Exit: (247) [system] peek_char((0x56051b6b4f40), r)
^  Call: (247) [user] is_delimiter(r)
   Call: (248) [system] char_type(r, space)
   Call: (248) [system] arg(_813568, v('(', ')', end_of_file), r)
   Call: (247) [system] ')'==r
   Call: (247) [system] get_char((0x56051b6b4f40), r)
   Exit: (247) [system] get_char((0x56051b6b4f40), r)
   Call: (247) [system] r=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _818138)
   Call: (248) [system] peek_char((0x56051b6b4f40), _819072)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (248) [user] is_delimiter('L')
   Call: (249) [system] char_type('L', space)
   Call: (249) [system] arg(_822864, v('(', ')', end_of_file), 'L')
   Call: (248) [system] ')'=='L'
   Call: (248) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (248) [system] get_char((0x56051b6b4f40), 'L')
   Call: (248) [system] 'L'=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _827434)
   Call: (249) [system] peek_char((0x56051b6b4f40), _828368)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_832160, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _836730)
   Call: (250) [system] peek_char((0x56051b6b4f40), _837664)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_841456, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _846026)
   Call: (251) [system] peek_char((0x56051b6b4f40), _846960)
   Exit: (251) [system] peek_char((0x56051b6b4f40), k)
^  Call: (251) [user] is_delimiter(k)
   Call: (252) [system] char_type(k, space)
   Call: (252) [system] arg(_850752, v('(', ')', end_of_file), k)
   Call: (251) [system] ')'==k
   Call: (251) [system] get_char((0x56051b6b4f40), k)
   Exit: (251) [system] get_char((0x56051b6b4f40), k)
   Call: (251) [system] k=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _855322)
   Call: (252) [system] peek_char((0x56051b6b4f40), _856256)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _855322=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (251) [system] _846026=[k]
   Exit: (251) [system] [k]=[k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (250) [system] _836730=[n, k]
   Exit: (250) [system] [n, k]=[n, k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (249) [system] _827434=[i, n, k]
   Exit: (249) [system] [i, n, k]=[i, n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (248) [system] _818138=['L', i, n, k]
   Exit: (248) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (247) [system] _808842=[r, 'L', i, n, k]
   Exit: (247) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (246) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _788298)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_879536, _879538), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _788298), _879512, fail)), '$restore_trace'(_879536, _879538))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_879536, _879538))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _788298), _879512, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(_788298)
   Call: (247) [system] atom_chars(_788298, ['O', r, 'L', i, n, k])
   Exit: (247) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (246) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _887988)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _889846)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _896656)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _899360)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=(;)
^  Call: (247) [user] is_like_space('(')
   Call: (248) [system] char_type('(', 'white')
   Call: (248) [system] char_type('(', end_of_line)
   Call: (248) [system] char_type('(', space)
   Call: (248) [system] char_type('(', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _908752)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=')'
   Call: (245) [system] '('=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _912466)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _914324)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=(;)
^  Call: (247) [user] is_like_space('(')
   Call: (248) [system] char_type('(', 'white')
   Call: (248) [system] char_type('(', end_of_line)
   Call: (248) [system] char_type('(', space)
   Call: (248) [system] char_type('(', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _922792)
   Exit: (246) [system] get_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('='('
   Exit: (246) [system] '('='('
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _912466)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _928362)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (248) [system] 'I'=(;)
^  Call: (248) [user] is_like_space('I')
   Call: (249) [system] char_type('I', 'white')
   Call: (249) [system] char_type('I', end_of_line)
   Call: (249) [system] char_type('I', space)
   Call: (249) [system] char_type('I', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _936830)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (247) [system] 'I'=')'
   Call: (247) [system] 'I'=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _940544)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _942402)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (249) [system] 'I'=(;)
^  Call: (249) [user] is_like_space('I')
   Call: (250) [system] char_type('I', 'white')
   Call: (250) [system] char_type('I', end_of_line)
   Call: (250) [system] char_type('I', space)
   Call: (250) [system] char_type('I', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _950870)
   Exit: (248) [system] get_char((0x56051b6b4f40), 'I')
   Call: (248) [system] 'I'='('
   Call: (248) [system] 'I'='['
   Call: (248) [system] 'I'='{'
   Call: (248) [system] 'I'='"'
   Call: (248) [system] 'I'=!
   Call: (248) [system] 'I'='\''
   Call: (248) [system] 'I'='`'
   Call: (248) [system] 'I'=end_of_file
^  Call: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _940544)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _961088)
   Call: (250) [system] peek_char((0x56051b6b4f40), _962022)
   Exit: (250) [system] peek_char((0x56051b6b4f40), m)
^  Call: (250) [user] is_delimiter(m)
   Call: (251) [system] char_type(m, space)
   Call: (251) [system] arg(_965814, v('(', ')', end_of_file), m)
   Call: (250) [system] ')'==m
   Call: (250) [system] get_char((0x56051b6b4f40), m)
   Exit: (250) [system] get_char((0x56051b6b4f40), m)
   Call: (250) [system] m=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _970384)
   Call: (251) [system] peek_char((0x56051b6b4f40), _971318)
   Exit: (251) [system] peek_char((0x56051b6b4f40), p)
^  Call: (251) [user] is_delimiter(p)
   Call: (252) [system] char_type(p, space)
   Call: (252) [system] arg(_975110, v('(', ')', end_of_file), p)
   Call: (251) [system] ')'==p
   Call: (251) [system] get_char((0x56051b6b4f40), p)
   Exit: (251) [system] get_char((0x56051b6b4f40), p)
   Call: (251) [system] p=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _979680)
   Call: (252) [system] peek_char((0x56051b6b4f40), _980614)
   Exit: (252) [system] peek_char((0x56051b6b4f40), l)
^  Call: (252) [user] is_delimiter(l)
   Call: (253) [system] char_type(l, space)
   Call: (253) [system] arg(_984406, v('(', ')', end_of_file), l)
   Call: (252) [system] ')'==l
   Call: (252) [system] get_char((0x56051b6b4f40), l)
   Exit: (252) [system] get_char((0x56051b6b4f40), l)
   Call: (252) [system] l=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _988976)
   Call: (253) [system] peek_char((0x56051b6b4f40), _989910)
   Exit: (253) [system] peek_char((0x56051b6b4f40), i)
^  Call: (253) [user] is_delimiter(i)
   Call: (254) [system] char_type(i, space)
   Call: (254) [system] arg(_993702, v('(', ')', end_of_file), i)
   Call: (253) [system] ')'==i
   Call: (253) [system] get_char((0x56051b6b4f40), i)
   Exit: (253) [system] get_char((0x56051b6b4f40), i)
   Call: (253) [system] i=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _998272)
   Call: (254) [system] peek_char((0x56051b6b4f40), _999206)
   Exit: (254) [system] peek_char((0x56051b6b4f40), c)
^  Call: (254) [user] is_delimiter(c)
   Call: (255) [system] char_type(c, space)
   Call: (255) [system] arg(_1002998, v('(', ')', end_of_file), c)
   Call: (254) [system] ')'==c
   Call: (254) [system] get_char((0x56051b6b4f40), c)
   Exit: (254) [system] get_char((0x56051b6b4f40), c)
   Call: (254) [system] c=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1007568)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1008502)
   Exit: (255) [system] peek_char((0x56051b6b4f40), a)
^  Call: (255) [user] is_delimiter(a)
   Call: (256) [system] char_type(a, space)
   Call: (256) [system] arg(_1012294, v('(', ')', end_of_file), a)
   Call: (255) [system] ')'==a
   Call: (255) [system] get_char((0x56051b6b4f40), a)
   Exit: (255) [system] get_char((0x56051b6b4f40), a)
   Call: (255) [system] a=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1016864)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1017798)
   Exit: (256) [system] peek_char((0x56051b6b4f40), t)
^  Call: (256) [user] is_delimiter(t)
   Call: (257) [system] char_type(t, space)
   Call: (257) [system] arg(_1021590, v('(', ')', end_of_file), t)
   Call: (256) [system] ')'==t
   Call: (256) [system] get_char((0x56051b6b4f40), t)
   Exit: (256) [system] get_char((0x56051b6b4f40), t)
   Call: (256) [system] t=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1026160)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1027094)
   Exit: (257) [system] peek_char((0x56051b6b4f40), i)
^  Call: (257) [user] is_delimiter(i)
   Call: (258) [system] char_type(i, space)
   Call: (258) [system] arg(_1030886, v('(', ')', end_of_file), i)
   Call: (257) [system] ')'==i
   Call: (257) [system] get_char((0x56051b6b4f40), i)
   Exit: (257) [system] get_char((0x56051b6b4f40), i)
   Call: (257) [system] i=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1035456)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1036390)
   Exit: (258) [system] peek_char((0x56051b6b4f40), o)
^  Call: (258) [user] is_delimiter(o)
   Call: (259) [system] char_type(o, space)
   Call: (259) [system] arg(_1040182, v('(', ')', end_of_file), o)
   Call: (258) [system] ')'==o
   Call: (258) [system] get_char((0x56051b6b4f40), o)
   Exit: (258) [system] get_char((0x56051b6b4f40), o)
   Call: (258) [system] o=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1044752)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1045686)
   Exit: (259) [system] peek_char((0x56051b6b4f40), n)
^  Call: (259) [user] is_delimiter(n)
   Call: (260) [system] char_type(n, space)
   Call: (260) [system] arg(_1049478, v('(', ')', end_of_file), n)
   Call: (259) [system] ')'==n
   Call: (259) [system] get_char((0x56051b6b4f40), n)
   Exit: (259) [system] get_char((0x56051b6b4f40), n)
   Call: (259) [system] n=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1054048)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1054982)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (260) [user] is_delimiter(' ')
   Call: (261) [system] char_type(' ', space)
   Exit: (261) [system] char_type(' ', space)
^  Exit: (260) [user] is_delimiter(' ')
   Call: (260) [system] _1054048=[]
   Exit: (260) [system] []=[]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (259) [system] _1044752=[n]
   Exit: (259) [system] [n]=[n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (258) [system] _1035456=[o, n]
   Exit: (258) [system] [o, n]=[o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (257) [system] _1026160=[i, o, n]
   Exit: (257) [system] [i, o, n]=[i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (256) [system] _1016864=[t, i, o, n]
   Exit: (256) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (255) [system] _1007568=[a, t, i, o, n]
   Exit: (255) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (254) [system] _998272=[c, a, t, i, o, n]
   Exit: (254) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (253) [system] _988976=[i, c, a, t, i, o, n]
   Exit: (253) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (252) [system] _979680=[l, i, c, a, t, i, o, n]
   Exit: (252) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (251) [system] _970384=[p, l, i, c, a, t, i, o, n]
   Exit: (251) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (250) [system] _961088=[m, p, l, i, c, a, t, i, o, n]
   Exit: (250) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (249) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _940544)
^  Call: (251) [system] setup_call_cleanup('$notrace'(_1092232, _1092234), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _940544), _1092208, fail)), '$restore_trace'(_1092232, _1092234))
^  Call: (252) [system] sig_atomic(system:'$notrace'(_1092232, _1092234))
^  Exit: (251) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _940544), _1092208, fail)), system:'$restore_trace'(3, -1))
   Call: (250) [system] atomic(_940544)
   Call: (250) [system] atom_chars(_940544, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (250) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (249) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1100684)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1102542)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (249) [system] ' '=(;)
^  Call: (249) [user] is_like_space(' ')
   Call: (250) [system] char_type(' ', 'white')
   Exit: (250) [system] char_type(' ', 'white')
^  Exit: (249) [user] is_like_space(' ')
   Call: (249) [system] get_char((0x56051b6b4f40), _1109352)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1112056)
   Exit: (250) [system] peek_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('=(;)
^  Call: (250) [user] is_like_space('(')
   Call: (251) [system] char_type('(', 'white')
   Call: (251) [system] char_type('(', end_of_line)
   Call: (251) [system] char_type('(', space)
   Call: (251) [system] char_type('(', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1121448)
   Exit: (248) [system] peek_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('=')'
   Call: (248) [system] '('=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _1125162)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1127020)
   Exit: (250) [system] peek_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('=(;)
^  Call: (250) [user] is_like_space('(')
   Call: (251) [system] char_type('(', 'white')
   Call: (251) [system] char_type('(', end_of_line)
   Call: (251) [system] char_type('(', space)
   Call: (251) [system] char_type('(', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _1135488)
   Exit: (249) [system] get_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('='('
   Exit: (249) [system] '('='('
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1125162)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1141058)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (251) [system] 'A'=(;)
^  Call: (251) [user] is_like_space('A')
   Call: (252) [system] char_type('A', 'white')
   Call: (252) [system] char_type('A', end_of_line)
   Call: (252) [system] char_type('A', space)
   Call: (252) [system] char_type('A', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1149526)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (250) [system] 'A'=')'
   Call: (250) [system] 'A'=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _1153240)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1155098)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'=(;)
^  Call: (252) [user] is_like_space('A')
   Call: (253) [system] char_type('A', 'white')
   Call: (253) [system] char_type('A', end_of_line)
   Call: (253) [system] char_type('A', space)
   Call: (253) [system] char_type('A', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _1163566)
   Exit: (251) [system] get_char((0x56051b6b4f40), 'A')
   Call: (251) [system] 'A'='('
   Call: (251) [system] 'A'='['
   Call: (251) [system] 'A'='{'
   Call: (251) [system] 'A'='"'
   Call: (251) [system] 'A'=!
   Call: (251) [system] 'A'='\''
   Call: (251) [system] 'A'='`'
   Call: (251) [system] 'A'=end_of_file
^  Call: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1153240)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1173784)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1174718)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1178510, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1183080)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1184014)
   Exit: (254) [system] peek_char((0x56051b6b4f40), d)
^  Call: (254) [user] is_delimiter(d)
   Call: (255) [system] char_type(d, space)
   Call: (255) [system] arg(_1187806, v('(', ')', end_of_file), d)
   Call: (254) [system] ')'==d
   Call: (254) [system] get_char((0x56051b6b4f40), d)
   Exit: (254) [system] get_char((0x56051b6b4f40), d)
   Call: (254) [system] d=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1192376)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1193310)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (255) [user] is_delimiter('L')
   Call: (256) [system] char_type('L', space)
   Call: (256) [system] arg(_1197102, v('(', ')', end_of_file), 'L')
   Call: (255) [system] ')'=='L'
   Call: (255) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (255) [system] get_char((0x56051b6b4f40), 'L')
   Call: (255) [system] 'L'=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1201672)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1202606)
   Exit: (256) [system] peek_char((0x56051b6b4f40), i)
^  Call: (256) [user] is_delimiter(i)
   Call: (257) [system] char_type(i, space)
   Call: (257) [system] arg(_1206398, v('(', ')', end_of_file), i)
   Call: (256) [system] ')'==i
   Call: (256) [system] get_char((0x56051b6b4f40), i)
   Exit: (256) [system] get_char((0x56051b6b4f40), i)
   Call: (256) [system] i=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1210968)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1211902)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_1215694, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1220264)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1221198)
   Exit: (258) [system] peek_char((0x56051b6b4f40), k)
^  Call: (258) [user] is_delimiter(k)
   Call: (259) [system] char_type(k, space)
   Call: (259) [system] arg(_1224990, v('(', ')', end_of_file), k)
   Call: (258) [system] ')'==k
   Call: (258) [system] get_char((0x56051b6b4f40), k)
   Exit: (258) [system] get_char((0x56051b6b4f40), k)
   Call: (258) [system] k=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1229560)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1230494)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (259) [user] is_delimiter(' ')
   Call: (260) [system] char_type(' ', space)
   Exit: (260) [system] char_type(' ', space)
^  Exit: (259) [user] is_delimiter(' ')
   Call: (259) [system] _1229560=[]
   Exit: (259) [system] []=[]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (258) [system] _1220264=[k]
   Exit: (258) [system] [k]=[k]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (257) [system] _1210968=[n, k]
   Exit: (257) [system] [n, k]=[n, k]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (256) [system] _1201672=[i, n, k]
   Exit: (256) [system] [i, n, k]=[i, n, k]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (255) [system] _1192376=['L', i, n, k]
   Exit: (255) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (254) [system] _1183080=[d, 'L', i, n, k]
   Exit: (254) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (253) [system] _1173784=[n, d, 'L', i, n, k]
   Exit: (253) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (252) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1153240)
^  Call: (254) [system] setup_call_cleanup('$notrace'(_1256568, _1256570), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1153240), _1256544, fail)), '$restore_trace'(_1256568, _1256570))
^  Call: (255) [system] sig_atomic(system:'$notrace'(_1256568, _1256570))
^  Exit: (254) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1153240), _1256544, fail)), system:'$restore_trace'(3, -1))
   Call: (253) [system] atomic(_1153240)
   Call: (253) [system] atom_chars(_1153240, ['A', n, d, 'L', i, n, k])
   Exit: (253) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (252) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _1265020)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1266878)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (252) [system] ' '=(;)
^  Call: (252) [user] is_like_space(' ')
   Call: (253) [system] char_type(' ', 'white')
   Exit: (253) [system] char_type(' ', 'white')
^  Exit: (252) [user] is_like_space(' ')
   Call: (252) [system] get_char((0x56051b6b4f40), _1273688)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1276392)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (253) [system] 'A'=(;)
^  Call: (253) [user] is_like_space('A')
   Call: (254) [system] char_type('A', 'white')
   Call: (254) [system] char_type('A', end_of_line)
   Call: (254) [system] char_type('A', space)
   Call: (254) [system] char_type('A', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1285784)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (251) [system] 'A'=')'
   Call: (251) [system] 'A'=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _1289498)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1291356)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (253) [system] 'A'=(;)
^  Call: (253) [user] is_like_space('A')
   Call: (254) [system] char_type('A', 'white')
   Call: (254) [system] char_type('A', end_of_line)
   Call: (254) [system] char_type('A', space)
   Call: (254) [system] char_type('A', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _1299824)
   Exit: (252) [system] get_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'='('
   Call: (252) [system] 'A'='['
   Call: (252) [system] 'A'='{'
   Call: (252) [system] 'A'='"'
   Call: (252) [system] 'A'=!
   Call: (252) [system] 'A'='\''
   Call: (252) [system] 'A'='`'
   Call: (252) [system] 'A'=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1289498)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1310042)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1310976)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1310042=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (253) [user] classify_and_convert_charseq('A', [], _1289498)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_1320286, _1320288), once(user:catch(read_from_chars(['A'], _1289498), _1320262, fail)), '$restore_trace'(_1320286, _1320288))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_1320286, _1320288))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1289498), _1320262, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(_1289498)
   Call: (254) [system] atom_chars(_1289498, ['A'])
   Exit: (254) [system] atom_chars('A', ['A'])
^  Exit: (253) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _1328738)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1330596)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (253) [system] ' '=(;)
^  Call: (253) [user] is_like_space(' ')
   Call: (254) [system] char_type(' ', 'white')
   Exit: (254) [system] char_type(' ', 'white')
^  Exit: (253) [user] is_like_space(' ')
   Call: (253) [system] get_char((0x56051b6b4f40), _1337406)
   Exit: (253) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1340110)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (254) [system] 'B'=(;)
^  Call: (254) [user] is_like_space('B')
   Call: (255) [system] char_type('B', 'white')
   Call: (255) [system] char_type('B', end_of_line)
   Call: (255) [system] char_type('B', space)
   Call: (255) [system] char_type('B', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1349502)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (252) [system] 'B'=')'
   Call: (252) [system] 'B'=end_of_file
^  Call: (252) [user] cont_sexpr(')', (0x56051b6b4f40), _1353216)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1355074)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (254) [system] 'B'=(;)
^  Call: (254) [user] is_like_space('B')
   Call: (255) [system] char_type('B', 'white')
   Call: (255) [system] char_type('B', end_of_line)
   Call: (255) [system] char_type('B', space)
   Call: (255) [system] char_type('B', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] get_char((0x56051b6b4f40), _1363542)
   Exit: (253) [system] get_char((0x56051b6b4f40), 'B')
   Call: (253) [system] 'B'='('
   Call: (253) [system] 'B'='['
   Call: (253) [system] 'B'='{'
   Call: (253) [system] 'B'='"'
   Call: (253) [system] 'B'=!
   Call: (253) [system] 'B'='\''
   Call: (253) [system] 'B'='`'
   Call: (253) [system] 'B'=end_of_file
^  Call: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1353216)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1373760)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1374694)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (255) [user] is_delimiter(')')
   Call: (256) [system] char_type(')', space)
   Call: (256) [system] arg(_1378486, v('(', ')', end_of_file), ')')
   Exit: (256) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (255) [user] is_delimiter(')')
   Call: (255) [system] _1373760=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (254) [user] classify_and_convert_charseq('B', [], _1353216)
^  Call: (256) [system] setup_call_cleanup('$notrace'(_1384948, _1384950), once(user:catch(read_from_chars(['B'], _1353216), _1384924, fail)), '$restore_trace'(_1384948, _1384950))
^  Call: (257) [system] sig_atomic(system:'$notrace'(_1384948, _1384950))
^  Exit: (256) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1353216), _1384924, fail)), system:'$restore_trace'(3, -1))
   Call: (255) [system] atomic(_1353216)
   Call: (255) [system] atom_chars(_1353216, ['B'])
   Exit: (255) [system] atom_chars('B', ['B'])
^  Exit: (254) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (252) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (252) [user] read_list(')', (0x56051b6b4f40), _1393400)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1395258)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
   Call: (254) [system] ')'=(;)
^  Call: (254) [user] is_like_space(')')
   Call: (255) [system] char_type(')', 'white')
   Call: (255) [system] char_type(')', end_of_line)
   Call: (255) [system] char_type(')', space)
   Call: (255) [system] char_type(')', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1403726)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
   Call: (253) [system] ')'=')'
   Exit: (253) [system] ')'=')'
   Call: (253) [system] get_char((0x56051b6b4f40), _1407516)
   Exit: (253) [system] get_char((0x56051b6b4f40), ')')
   Call: (253) [system] _1393400=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (252) [system] _1328738=['B']
   Exit: (252) [system] ['B']=['B']
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (251) [system] _1265020=['A', 'B']
   Exit: (251) [system] ['A', 'B']=['A', 'B']
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (250) [system] _1125162=['AndLink', 'A', 'B']
   Exit: (250) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1421398)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1423256)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (250) [system] ' '=(;)
^  Call: (250) [user] is_like_space(' ')
   Call: (251) [system] char_type(' ', 'white')
   Exit: (251) [system] char_type(' ', 'white')
^  Exit: (250) [user] is_like_space(' ')
   Call: (250) [system] get_char((0x56051b6b4f40), _1430066)
   Exit: (250) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1432770)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (251) [system] 'C'=(;)
^  Call: (251) [user] is_like_space('C')
   Call: (252) [system] char_type('C', 'white')
   Call: (252) [system] char_type('C', end_of_line)
   Call: (252) [system] char_type('C', space)
   Call: (252) [system] char_type('C', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1442162)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (249) [system] 'C'=')'
   Call: (249) [system] 'C'=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _1445876)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1447734)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (251) [system] 'C'=(;)
^  Call: (251) [user] is_like_space('C')
   Call: (252) [system] char_type('C', 'white')
   Call: (252) [system] char_type('C', end_of_line)
   Call: (252) [system] char_type('C', space)
   Call: (252) [system] char_type('C', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _1456202)
   Exit: (250) [system] get_char((0x56051b6b4f40), 'C')
   Call: (250) [system] 'C'='('
   Call: (250) [system] 'C'='['
   Call: (250) [system] 'C'='{'
   Call: (250) [system] 'C'='"'
   Call: (250) [system] 'C'=!
   Call: (250) [system] 'C'='\''
   Call: (250) [system] 'C'='`'
   Call: (250) [system] 'C'=end_of_file
^  Call: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1445876)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1466420)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1467354)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (252) [user] is_delimiter(')')
   Call: (253) [system] char_type(')', space)
   Call: (253) [system] arg(_1471146, v('(', ')', end_of_file), ')')
   Exit: (253) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (252) [user] is_delimiter(')')
   Call: (252) [system] _1466420=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (251) [user] classify_and_convert_charseq('C', [], _1445876)
^  Call: (253) [system] setup_call_cleanup('$notrace'(_1477608, _1477610), once(user:catch(read_from_chars(['C'], _1445876), _1477584, fail)), '$restore_trace'(_1477608, _1477610))
^  Call: (254) [system] sig_atomic(system:'$notrace'(_1477608, _1477610))
^  Exit: (253) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1445876), _1477584, fail)), system:'$restore_trace'(3, -1))
   Call: (252) [system] atomic(_1445876)
   Call: (252) [system] atom_chars(_1445876, ['C'])
   Exit: (252) [system] atom_chars('C', ['C'])
^  Exit: (251) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1486060)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1487918)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
   Call: (251) [system] ')'=(;)
^  Call: (251) [user] is_like_space(')')
   Call: (252) [system] char_type(')', 'white')
   Call: (252) [system] char_type(')', end_of_line)
   Call: (252) [system] char_type(')', space)
   Call: (252) [system] char_type(')', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1496386)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
   Call: (250) [system] ')'=')'
   Exit: (250) [system] ')'=')'
   Call: (250) [system] get_char((0x56051b6b4f40), _1500176)
   Exit: (250) [system] get_char((0x56051b6b4f40), ')')
   Call: (250) [system] _1486060=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (249) [system] _1421398=['C']
   Exit: (249) [system] ['C']=['C']
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (248) [system] _1100684=[['AndLink', 'A', 'B'], 'C']
   Exit: (248) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (247) [system] _912466=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (247) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1514058)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1515916)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (247) [system] ' '=(;)
^  Call: (247) [user] is_like_space(' ')
   Call: (248) [system] char_type(' ', 'white')
   Exit: (248) [system] char_type(' ', 'white')
^  Exit: (247) [user] is_like_space(' ')
   Call: (247) [system] get_char((0x56051b6b4f40), _1522726)
   Exit: (247) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1525430)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (248) [system] 'B'=(;)
^  Call: (248) [user] is_like_space('B')
   Call: (249) [system] char_type('B', 'white')
   Call: (249) [system] char_type('B', end_of_line)
   Call: (249) [system] char_type('B', space)
   Call: (249) [system] char_type('B', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1534822)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (246) [system] 'B'=')'
   Call: (246) [system] 'B'=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _1538536)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1540394)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (248) [system] 'B'=(;)
^  Call: (248) [user] is_like_space('B')
   Call: (249) [system] char_type('B', 'white')
   Call: (249) [system] char_type('B', end_of_line)
   Call: (249) [system] char_type('B', space)
   Call: (249) [system] char_type('B', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _1548862)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'B')
   Call: (247) [system] 'B'='('
   Call: (247) [system] 'B'='['
   Call: (247) [system] 'B'='{'
   Call: (247) [system] 'B'='"'
   Call: (247) [system] 'B'=!
   Call: (247) [system] 'B'='\''
   Call: (247) [system] 'B'='`'
   Call: (247) [system] 'B'=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1538536)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1559080)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1560014)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (249) [user] is_delimiter(')')
   Call: (250) [system] char_type(')', space)
   Call: (250) [system] arg(_1563806, v('(', ')', end_of_file), ')')
   Exit: (250) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (249) [user] is_delimiter(')')
   Call: (249) [system] _1559080=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (248) [user] classify_and_convert_charseq('B', [], _1538536)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_1570268, _1570270), once(user:catch(read_from_chars(['B'], _1538536), _1570244, fail)), '$restore_trace'(_1570268, _1570270))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_1570268, _1570270))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1538536), _1570244, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(_1538536)
   Call: (249) [system] atom_chars(_1538536, ['B'])
   Exit: (249) [system] atom_chars('B', ['B'])
^  Exit: (248) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1578720)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1580578)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
   Call: (248) [system] ')'=(;)
^  Call: (248) [user] is_like_space(')')
   Call: (249) [system] char_type(')', 'white')
   Call: (249) [system] char_type(')', end_of_line)
   Call: (249) [system] char_type(')', space)
   Call: (249) [system] char_type(')', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1589046)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=')'
   Exit: (247) [system] ')'=')'
   Call: (247) [system] get_char((0x56051b6b4f40), _1592836)
   Exit: (247) [system] get_char((0x56051b6b4f40), ')')
   Call: (247) [system] _1578720=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (246) [system] _1514058=['B']
   Exit: (246) [system] ['B']=['B']
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (245) [system] _887988=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (245) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
   Call: (244) [system] _760220=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
   Exit: (244) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B'])
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1606718)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1608576)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=(;)
^  Call: (244) [user] is_like_space(')')
   Call: (245) [system] char_type(')', 'white')
   Call: (245) [system] char_type(')', end_of_line)
   Call: (245) [system] char_type(')', space)
   Call: (245) [system] char_type(')', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1617044)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=')'
   Exit: (243) [system] ')'=')'
   Call: (243) [system] get_char((0x56051b6b4f40), _1620834)
   Exit: (243) [system] get_char((0x56051b6b4f40), ')')
   Call: (243) [system] _1606718=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (242) [system] _735742=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (242) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (241) [system] _672024=['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (241) [system] ['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
   Call: (240) [system] _544256=['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
   Exit: (240) [system] ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]=['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']])
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _1634716)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1636574)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=(;)
^  Call: (240) [user] is_like_space(')')
   Call: (241) [system] char_type(')', 'white')
   Call: (241) [system] char_type(')', end_of_line)
   Call: (241) [system] char_type(')', space)
   Call: (241) [system] char_type(')', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1645042)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ')')
   Call: (239) [system] ')'=')'
   Exit: (239) [system] ')'=')'
   Call: (239) [system] get_char((0x56051b6b4f40), _1648832)
   Exit: (239) [system] get_char((0x56051b6b4f40), ')')
   Call: (239) [system] _1634716=[]
   Exit: (239) [system] []=[]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (238) [system] _519778=[['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (238) [system] [['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (237) [system] _9952=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (237) [system] [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
   Call: (236) [system] _9944=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
   Exit: (236) [system] [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]]
^  Exit: (235) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Exit: (234) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'B']]])
^  Call: (234) [user] read_list(')', (0x56051b6b4f40), _1662714)
^  Call: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _1664572)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (236) [system] '\n'=(;)
^  Call: (236) [user] is_like_space('\n')
   Call: (237) [system] char_type('\n', 'white')
   Call: (237) [system] char_type('\n', end_of_line)
   Exit: (237) [system] char_type('\n', end_of_line)
^  Exit: (236) [user] is_like_space('\n')
   Call: (236) [system] get_char((0x56051b6b4f40), _1672188)
   Exit: (236) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1674892)
   Exit: (237) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (237) [system] ' '=(;)
^  Call: (237) [user] is_like_space(' ')
   Call: (238) [system] char_type(' ', 'white')
   Exit: (238) [system] char_type(' ', 'white')
^  Exit: (237) [user] is_like_space(' ')
   Call: (237) [system] get_char((0x56051b6b4f40), _1681702)
   Exit: (237) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1684406)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (235) [user] skip_spaces((0x56051b6b4f40))
   Call: (235) [system] peek_char((0x56051b6b4f40), _1694722)
   Exit: (235) [system] peek_char((0x56051b6b4f40), '(')
   Call: (235) [system] '('=')'
   Call: (235) [system] '('=end_of_file
^  Call: (235) [user] cont_sexpr(')', (0x56051b6b4f40), _1698436)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1700294)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=(;)
^  Call: (237) [user] is_like_space('(')
   Call: (238) [system] char_type('(', 'white')
   Call: (238) [system] char_type('(', end_of_line)
   Call: (238) [system] char_type('(', space)
   Call: (238) [system] char_type('(', cntrl)
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] get_char((0x56051b6b4f40), _1708762)
   Exit: (236) [system] get_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('='('
   Exit: (236) [system] '('='('
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _1698436)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1714332)
   Exit: (238) [system] peek_char((0x56051b6b4f40), :)
   Call: (238) [system] (:)=(;)
^  Call: (238) [user] is_like_space(:)
   Call: (239) [system] char_type(:, 'white')
   Call: (239) [system] char_type(:, end_of_line)
   Call: (239) [system] char_type(:, space)
   Call: (239) [system] char_type(:, cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _1722800)
   Exit: (237) [system] peek_char((0x56051b6b4f40), :)
   Call: (237) [system] (:)=')'
   Call: (237) [system] (:)=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _1726514)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1728372)
   Exit: (239) [system] peek_char((0x56051b6b4f40), :)
   Call: (239) [system] (:)=(;)
^  Call: (239) [user] is_like_space(:)
   Call: (240) [system] char_type(:, 'white')
   Call: (240) [system] char_type(:, end_of_line)
   Call: (240) [system] char_type(:, space)
   Call: (240) [system] char_type(:, cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _1736840)
   Exit: (238) [system] get_char((0x56051b6b4f40), :)
   Call: (238) [system] (:)='('
   Call: (238) [system] (:)='['
   Call: (238) [system] (:)='{'
   Call: (238) [system] (:)='"'
   Call: (238) [system] (:)=!
   Call: (238) [system] (:)='\''
   Call: (238) [system] (:)='`'
   Call: (238) [system] (:)=end_of_file
^  Call: (238) [user] read_symbolic(')', (0x56051b6b4f40), :, _1726514)
^  Call: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1747058)
   Call: (240) [system] peek_char((0x56051b6b4f40), _1747992)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] is_delimiter(' ')
   Call: (241) [system] char_type(' ', space)
   Exit: (241) [system] char_type(' ', space)
^  Exit: (240) [user] is_delimiter(' ')
   Call: (240) [system] _1747058=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (239) [user] classify_and_convert_charseq(:, [], _1726514)
^  Call: (241) [system] setup_call_cleanup('$notrace'(_1757302, _1757304), once(user:catch(read_from_chars([:], _1726514), _1757278, fail)), '$restore_trace'(_1757302, _1757304))
^  Call: (242) [system] sig_atomic(system:'$notrace'(_1757302, _1757304))
^  Exit: (241) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _1757278, fail)), system:'$restore_trace'(3, -1))
   Call: (240) [system] atomic(:)
   Exit: (240) [system] atomic(:)
^  Exit: (239) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (238) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _1764802)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _1766660)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _1773470)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1776174)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _1785566)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=')'
   Call: (238) [system] '('=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _1789280)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1791138)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _1799606)
   Exit: (239) [system] get_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('='('
   Exit: (239) [system] '('='('
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1789280)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1805176)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (241) [system] 'D'=(;)
^  Call: (241) [user] is_like_space('D')
   Call: (242) [system] char_type('D', 'white')
   Call: (242) [system] char_type('D', end_of_line)
   Call: (242) [system] char_type('D', space)
   Call: (242) [system] char_type('D', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1813644)
   Exit: (240) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (240) [system] 'D'=')'
   Call: (240) [system] 'D'=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _1817358)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1819216)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (242) [system] 'D'=(;)
^  Call: (242) [user] is_like_space('D')
   Call: (243) [system] char_type('D', 'white')
   Call: (243) [system] char_type('D', end_of_line)
   Call: (243) [system] char_type('D', space)
   Call: (243) [system] char_type('D', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _1827684)
   Exit: (241) [system] get_char((0x56051b6b4f40), 'D')
   Call: (241) [system] 'D'='('
   Call: (241) [system] 'D'='['
   Call: (241) [system] 'D'='{'
   Call: (241) [system] 'D'='"'
   Call: (241) [system] 'D'=!
   Call: (241) [system] 'D'='\''
   Call: (241) [system] 'D'='`'
   Call: (241) [system] 'D'=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1817358)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1837902)
   Call: (243) [system] peek_char((0x56051b6b4f40), _1838836)
   Exit: (243) [system] peek_char((0x56051b6b4f40), i)
^  Call: (243) [user] is_delimiter(i)
   Call: (244) [system] char_type(i, space)
   Call: (244) [system] arg(_1842628, v('(', ')', end_of_file), i)
   Call: (243) [system] ')'==i
   Call: (243) [system] get_char((0x56051b6b4f40), i)
   Exit: (243) [system] get_char((0x56051b6b4f40), i)
   Call: (243) [system] i=(\)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1847198)
   Call: (244) [system] peek_char((0x56051b6b4f40), _1848132)
   Exit: (244) [system] peek_char((0x56051b6b4f40), s)
^  Call: (244) [user] is_delimiter(s)
   Call: (245) [system] char_type(s, space)
   Call: (245) [system] arg(_1851924, v('(', ')', end_of_file), s)
   Call: (244) [system] ')'==s
   Call: (244) [system] get_char((0x56051b6b4f40), s)
   Exit: (244) [system] get_char((0x56051b6b4f40), s)
   Call: (244) [system] s=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1856494)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1857428)
   Exit: (245) [system] peek_char((0x56051b6b4f40), j)
^  Call: (245) [user] is_delimiter(j)
   Call: (246) [system] char_type(j, space)
   Call: (246) [system] arg(_1861220, v('(', ')', end_of_file), j)
   Call: (245) [system] ')'==j
   Call: (245) [system] get_char((0x56051b6b4f40), j)
   Exit: (245) [system] get_char((0x56051b6b4f40), j)
   Call: (245) [system] j=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1865790)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1866724)
   Exit: (246) [system] peek_char((0x56051b6b4f40), u)
^  Call: (246) [user] is_delimiter(u)
   Call: (247) [system] char_type(u, space)
   Call: (247) [system] arg(_1870516, v('(', ')', end_of_file), u)
   Call: (246) [system] ')'==u
   Call: (246) [system] get_char((0x56051b6b4f40), u)
   Exit: (246) [system] get_char((0x56051b6b4f40), u)
   Call: (246) [system] u=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1875086)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1876020)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_1879812, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1884382)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1885316)
   Exit: (248) [system] peek_char((0x56051b6b4f40), c)
^  Call: (248) [user] is_delimiter(c)
   Call: (249) [system] char_type(c, space)
   Call: (249) [system] arg(_1889108, v('(', ')', end_of_file), c)
   Call: (248) [system] ')'==c
   Call: (248) [system] get_char((0x56051b6b4f40), c)
   Exit: (248) [system] get_char((0x56051b6b4f40), c)
   Call: (248) [system] c=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1893678)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1894612)
   Exit: (249) [system] peek_char((0x56051b6b4f40), t)
^  Call: (249) [user] is_delimiter(t)
   Call: (250) [system] char_type(t, space)
   Call: (250) [system] arg(_1898404, v('(', ')', end_of_file), t)
   Call: (249) [system] ')'==t
   Call: (249) [system] get_char((0x56051b6b4f40), t)
   Exit: (249) [system] get_char((0x56051b6b4f40), t)
   Call: (249) [system] t=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1902974)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1903908)
   Exit: (250) [system] peek_char((0x56051b6b4f40), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_1907700, v('(', ')', end_of_file), i)
   Call: (250) [system] ')'==i
   Call: (250) [system] get_char((0x56051b6b4f40), i)
   Exit: (250) [system] get_char((0x56051b6b4f40), i)
   Call: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1912270)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1913204)
   Exit: (251) [system] peek_char((0x56051b6b4f40), o)
^  Call: (251) [user] is_delimiter(o)
   Call: (252) [system] char_type(o, space)
   Call: (252) [system] arg(_1916996, v('(', ')', end_of_file), o)
   Call: (251) [system] ')'==o
   Call: (251) [system] get_char((0x56051b6b4f40), o)
   Exit: (251) [system] get_char((0x56051b6b4f40), o)
   Call: (251) [system] o=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1921566)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1922500)
   Exit: (252) [system] peek_char((0x56051b6b4f40), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_1926292, v('(', ')', end_of_file), n)
   Call: (252) [system] ')'==n
   Call: (252) [system] get_char((0x56051b6b4f40), n)
   Exit: (252) [system] get_char((0x56051b6b4f40), n)
   Call: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1930862)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1931796)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (253) [user] is_delimiter('I')
   Call: (254) [system] char_type('I', space)
   Call: (254) [system] arg(_1935588, v('(', ')', end_of_file), 'I')
   Call: (253) [system] ')'=='I'
   Call: (253) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (253) [system] get_char((0x56051b6b4f40), 'I')
   Call: (253) [system] 'I'=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1940158)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1941092)
   Exit: (254) [system] peek_char((0x56051b6b4f40), n)
^  Call: (254) [user] is_delimiter(n)
   Call: (255) [system] char_type(n, space)
   Call: (255) [system] arg(_1944884, v('(', ')', end_of_file), n)
   Call: (254) [system] ')'==n
   Call: (254) [system] get_char((0x56051b6b4f40), n)
   Exit: (254) [system] get_char((0x56051b6b4f40), n)
   Call: (254) [system] n=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1949454)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1950388)
   Exit: (255) [system] peek_char((0x56051b6b4f40), t)
^  Call: (255) [user] is_delimiter(t)
   Call: (256) [system] char_type(t, space)
   Call: (256) [system] arg(_1954180, v('(', ')', end_of_file), t)
   Call: (255) [system] ')'==t
   Call: (255) [system] get_char((0x56051b6b4f40), t)
   Exit: (255) [system] get_char((0x56051b6b4f40), t)
   Call: (255) [system] t=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1958750)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1959684)
   Exit: (256) [system] peek_char((0x56051b6b4f40), r)
^  Call: (256) [user] is_delimiter(r)
   Call: (257) [system] char_type(r, space)
   Call: (257) [system] arg(_1963476, v('(', ')', end_of_file), r)
   Call: (256) [system] ')'==r
   Call: (256) [system] get_char((0x56051b6b4f40), r)
   Exit: (256) [system] get_char((0x56051b6b4f40), r)
   Call: (256) [system] r=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1968046)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1968980)
   Exit: (257) [system] peek_char((0x56051b6b4f40), o)
^  Call: (257) [user] is_delimiter(o)
   Call: (258) [system] char_type(o, space)
   Call: (258) [system] arg(_1972772, v('(', ')', end_of_file), o)
   Call: (257) [system] ')'==o
   Call: (257) [system] get_char((0x56051b6b4f40), o)
   Exit: (257) [system] get_char((0x56051b6b4f40), o)
   Call: (257) [system] o=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1977342)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1978276)
   Exit: (258) [system] peek_char((0x56051b6b4f40), d)
^  Call: (258) [user] is_delimiter(d)
   Call: (259) [system] char_type(d, space)
   Call: (259) [system] arg(_1982068, v('(', ')', end_of_file), d)
   Call: (258) [system] ')'==d
   Call: (258) [system] get_char((0x56051b6b4f40), d)
   Exit: (258) [system] get_char((0x56051b6b4f40), d)
   Call: (258) [system] d=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1986638)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1987572)
   Exit: (259) [system] peek_char((0x56051b6b4f40), u)
^  Call: (259) [user] is_delimiter(u)
   Call: (260) [system] char_type(u, space)
   Call: (260) [system] arg(_1991364, v('(', ')', end_of_file), u)
   Call: (259) [system] ')'==u
   Call: (259) [system] get_char((0x56051b6b4f40), u)
   Exit: (259) [system] get_char((0x56051b6b4f40), u)
   Call: (259) [system] u=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1995934)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1996868)
   Exit: (260) [system] peek_char((0x56051b6b4f40), c)
^  Call: (260) [user] is_delimiter(c)
   Call: (261) [system] char_type(c, space)
   Call: (261) [system] arg(_2000660, v('(', ')', end_of_file), c)
   Call: (260) [system] ')'==c
   Call: (260) [system] get_char((0x56051b6b4f40), c)
   Exit: (260) [system] get_char((0x56051b6b4f40), c)
   Call: (260) [system] c=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2005230)
   Call: (261) [system] peek_char((0x56051b6b4f40), _2006164)
   Exit: (261) [system] peek_char((0x56051b6b4f40), t)
^  Call: (261) [user] is_delimiter(t)
   Call: (262) [system] char_type(t, space)
   Call: (262) [system] arg(_2009956, v('(', ')', end_of_file), t)
   Call: (261) [system] ')'==t
   Call: (261) [system] get_char((0x56051b6b4f40), t)
   Exit: (261) [system] get_char((0x56051b6b4f40), t)
   Call: (261) [system] t=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2014526)
   Call: (262) [system] peek_char((0x56051b6b4f40), _2015460)
   Exit: (262) [system] peek_char((0x56051b6b4f40), i)
^  Call: (262) [user] is_delimiter(i)
   Call: (263) [system] char_type(i, space)
   Call: (263) [system] arg(_2019252, v('(', ')', end_of_file), i)
   Call: (262) [system] ')'==i
   Call: (262) [system] get_char((0x56051b6b4f40), i)
   Exit: (262) [system] get_char((0x56051b6b4f40), i)
   Call: (262) [system] i=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2023822)
   Call: (263) [system] peek_char((0x56051b6b4f40), _2024756)
   Exit: (263) [system] peek_char((0x56051b6b4f40), o)
^  Call: (263) [user] is_delimiter(o)
   Call: (264) [system] char_type(o, space)
   Call: (264) [system] arg(_2028548, v('(', ')', end_of_file), o)
   Call: (263) [system] ')'==o
   Call: (263) [system] get_char((0x56051b6b4f40), o)
   Exit: (263) [system] get_char((0x56051b6b4f40), o)
   Call: (263) [system] o=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2033118)
   Call: (264) [system] peek_char((0x56051b6b4f40), _2034052)
   Exit: (264) [system] peek_char((0x56051b6b4f40), n)
^  Call: (264) [user] is_delimiter(n)
   Call: (265) [system] char_type(n, space)
   Call: (265) [system] arg(_2037844, v('(', ')', end_of_file), n)
   Call: (264) [system] ')'==n
   Call: (264) [system] get_char((0x56051b6b4f40), n)
   Exit: (264) [system] get_char((0x56051b6b4f40), n)
   Call: (264) [system] n=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2042414)
   Call: (265) [system] peek_char((0x56051b6b4f40), _2043348)
   Exit: (265) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (265) [user] is_delimiter(' ')
   Call: (266) [system] char_type(' ', space)
   Exit: (266) [system] char_type(' ', space)
^  Exit: (265) [user] is_delimiter(' ')
   Call: (265) [system] _2042414=[]
   Exit: (265) [system] []=[]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (264) [system] _2033118=[n]
   Exit: (264) [system] [n]=[n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (263) [system] _2023822=[o, n]
   Exit: (263) [system] [o, n]=[o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (262) [system] _2014526=[i, o, n]
   Exit: (262) [system] [i, o, n]=[i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (261) [system] _2005230=[t, i, o, n]
   Exit: (261) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (260) [system] _1995934=[c, t, i, o, n]
   Exit: (260) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (259) [system] _1986638=[u, c, t, i, o, n]
   Exit: (259) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (258) [system] _1977342=[d, u, c, t, i, o, n]
   Exit: (258) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (257) [system] _1968046=[o, d, u, c, t, i, o, n]
   Exit: (257) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (256) [system] _1958750=[r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _1949454=[t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _1940158=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _1930862=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _1921566=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _1912270=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _1902974=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _1893678=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _10118=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _10114=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _10110=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _10106=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _10102=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (243) [system] _10098=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (243) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (242) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _10094)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_27596, _27598), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _10094), _27572, fail)), '$restore_trace'(_27596, _27598))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_27596, _27598))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _10094), _27572, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(_10094)
   Call: (243) [system] atom_chars(_10094, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (243) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (242) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _36048)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _37906)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _44716)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _47420)
   Exit: (243) [system] peek_char((0x56051b6b4f40), a)
   Call: (243) [system] a=(;)
^  Call: (243) [user] is_like_space(a)
   Call: (244) [system] char_type(a, 'white')
   Call: (244) [system] char_type(a, end_of_line)
   Call: (244) [system] char_type(a, space)
   Call: (244) [system] char_type(a, cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _56812)
   Exit: (241) [system] peek_char((0x56051b6b4f40), a)
   Call: (241) [system] a=')'
   Call: (241) [system] a=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _60526)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _62384)
   Exit: (243) [system] peek_char((0x56051b6b4f40), a)
   Call: (243) [system] a=(;)
^  Call: (243) [user] is_like_space(a)
   Call: (244) [system] char_type(a, 'white')
   Call: (244) [system] char_type(a, end_of_line)
   Call: (244) [system] char_type(a, space)
   Call: (244) [system] char_type(a, cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _70852)
   Exit: (242) [system] get_char((0x56051b6b4f40), a)
   Call: (242) [system] a='('
   Call: (242) [system] a='['
   Call: (242) [system] a='{'
   Call: (242) [system] a='"'
   Call: (242) [system] a=!
   Call: (242) [system] a='\''
   Call: (242) [system] a='`'
   Call: (242) [system] a=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), a, _60526)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _81070)
   Call: (244) [system] peek_char((0x56051b6b4f40), _82004)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _81070=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (243) [user] classify_and_convert_charseq(a, [], _60526)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_91314, _91316), once(user:catch(read_from_chars([a], _60526), _91290, fail)), '$restore_trace'(_91314, _91316))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_91314, _91316))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _91290, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(a)
   Exit: (244) [system] atomic(a)
^  Exit: (243) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _98814)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _100672)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _107482)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _110186)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _119578)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=')'
   Call: (242) [system] '('=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _123292)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _125150)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _133618)
   Exit: (243) [system] get_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('='('
   Exit: (243) [system] '('='('
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _123292)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _139188)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (245) [system] 'D'=(;)
^  Call: (245) [user] is_like_space('D')
   Call: (246) [system] char_type('D', 'white')
   Call: (246) [system] char_type('D', end_of_line)
   Call: (246) [system] char_type('D', space)
   Call: (246) [system] char_type('D', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _147656)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'=')'
   Call: (244) [system] 'D'=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _151370)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _153228)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (246) [system] 'D'=(;)
^  Call: (246) [user] is_like_space('D')
   Call: (247) [system] char_type('D', 'white')
   Call: (247) [system] char_type('D', end_of_line)
   Call: (247) [system] char_type('D', space)
   Call: (247) [system] char_type('D', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _161696)
   Exit: (245) [system] get_char((0x56051b6b4f40), 'D')
   Call: (245) [system] 'D'='('
   Call: (245) [system] 'D'='['
   Call: (245) [system] 'D'='{'
   Call: (245) [system] 'D'='"'
   Call: (245) [system] 'D'=!
   Call: (245) [system] 'D'='\''
   Call: (245) [system] 'D'='`'
   Call: (245) [system] 'D'=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _151370)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _171914)
   Call: (247) [system] peek_char((0x56051b6b4f40), _172848)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_176640, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _181210)
   Call: (248) [system] peek_char((0x56051b6b4f40), _182144)
   Exit: (248) [system] peek_char((0x56051b6b4f40), s)
^  Call: (248) [user] is_delimiter(s)
   Call: (249) [system] char_type(s, space)
   Call: (249) [system] arg(_185936, v('(', ')', end_of_file), s)
   Call: (248) [system] ')'==s
   Call: (248) [system] get_char((0x56051b6b4f40), s)
   Exit: (248) [system] get_char((0x56051b6b4f40), s)
   Call: (248) [system] s=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _190506)
   Call: (249) [system] peek_char((0x56051b6b4f40), _191440)
   Exit: (249) [system] peek_char((0x56051b6b4f40), j)
^  Call: (249) [user] is_delimiter(j)
   Call: (250) [system] char_type(j, space)
   Call: (250) [system] arg(_195232, v('(', ')', end_of_file), j)
   Call: (249) [system] ')'==j
   Call: (249) [system] get_char((0x56051b6b4f40), j)
   Exit: (249) [system] get_char((0x56051b6b4f40), j)
   Call: (249) [system] j=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _199802)
   Call: (250) [system] peek_char((0x56051b6b4f40), _200736)
   Exit: (250) [system] peek_char((0x56051b6b4f40), u)
^  Call: (250) [user] is_delimiter(u)
   Call: (251) [system] char_type(u, space)
   Call: (251) [system] arg(_204528, v('(', ')', end_of_file), u)
   Call: (250) [system] ')'==u
   Call: (250) [system] get_char((0x56051b6b4f40), u)
   Exit: (250) [system] get_char((0x56051b6b4f40), u)
   Call: (250) [system] u=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _209098)
   Call: (251) [system] peek_char((0x56051b6b4f40), _210032)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_213824, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _218394)
   Call: (252) [system] peek_char((0x56051b6b4f40), _219328)
   Exit: (252) [system] peek_char((0x56051b6b4f40), c)
^  Call: (252) [user] is_delimiter(c)
   Call: (253) [system] char_type(c, space)
   Call: (253) [system] arg(_223120, v('(', ')', end_of_file), c)
   Call: (252) [system] ')'==c
   Call: (252) [system] get_char((0x56051b6b4f40), c)
   Exit: (252) [system] get_char((0x56051b6b4f40), c)
   Call: (252) [system] c=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _227690)
   Call: (253) [system] peek_char((0x56051b6b4f40), _228624)
   Exit: (253) [system] peek_char((0x56051b6b4f40), t)
^  Call: (253) [user] is_delimiter(t)
   Call: (254) [system] char_type(t, space)
   Call: (254) [system] arg(_232416, v('(', ')', end_of_file), t)
   Call: (253) [system] ')'==t
   Call: (253) [system] get_char((0x56051b6b4f40), t)
   Exit: (253) [system] get_char((0x56051b6b4f40), t)
   Call: (253) [system] t=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _236986)
   Call: (254) [system] peek_char((0x56051b6b4f40), _237920)
   Exit: (254) [system] peek_char((0x56051b6b4f40), i)
^  Call: (254) [user] is_delimiter(i)
   Call: (255) [system] char_type(i, space)
   Call: (255) [system] arg(_241712, v('(', ')', end_of_file), i)
   Call: (254) [system] ')'==i
   Call: (254) [system] get_char((0x56051b6b4f40), i)
   Exit: (254) [system] get_char((0x56051b6b4f40), i)
   Call: (254) [system] i=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _246282)
   Call: (255) [system] peek_char((0x56051b6b4f40), _247216)
   Exit: (255) [system] peek_char((0x56051b6b4f40), o)
^  Call: (255) [user] is_delimiter(o)
   Call: (256) [system] char_type(o, space)
   Call: (256) [system] arg(_251008, v('(', ')', end_of_file), o)
   Call: (255) [system] ')'==o
   Call: (255) [system] get_char((0x56051b6b4f40), o)
   Exit: (255) [system] get_char((0x56051b6b4f40), o)
   Call: (255) [system] o=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _255578)
   Call: (256) [system] peek_char((0x56051b6b4f40), _256512)
   Exit: (256) [system] peek_char((0x56051b6b4f40), n)
^  Call: (256) [user] is_delimiter(n)
   Call: (257) [system] char_type(n, space)
   Call: (257) [system] arg(_260304, v('(', ')', end_of_file), n)
   Call: (256) [system] ')'==n
   Call: (256) [system] get_char((0x56051b6b4f40), n)
   Exit: (256) [system] get_char((0x56051b6b4f40), n)
   Call: (256) [system] n=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _264874)
   Call: (257) [system] peek_char((0x56051b6b4f40), _265808)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (257) [user] is_delimiter('I')
   Call: (258) [system] char_type('I', space)
   Call: (258) [system] arg(_269600, v('(', ')', end_of_file), 'I')
   Call: (257) [system] ')'=='I'
   Call: (257) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (257) [system] get_char((0x56051b6b4f40), 'I')
   Call: (257) [system] 'I'=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _274170)
   Call: (258) [system] peek_char((0x56051b6b4f40), _275104)
   Exit: (258) [system] peek_char((0x56051b6b4f40), n)
^  Call: (258) [user] is_delimiter(n)
   Call: (259) [system] char_type(n, space)
   Call: (259) [system] arg(_278896, v('(', ')', end_of_file), n)
   Call: (258) [system] ')'==n
   Call: (258) [system] get_char((0x56051b6b4f40), n)
   Exit: (258) [system] get_char((0x56051b6b4f40), n)
   Call: (258) [system] n=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _283466)
   Call: (259) [system] peek_char((0x56051b6b4f40), _284400)
   Exit: (259) [system] peek_char((0x56051b6b4f40), t)
^  Call: (259) [user] is_delimiter(t)
   Call: (260) [system] char_type(t, space)
   Call: (260) [system] arg(_288192, v('(', ')', end_of_file), t)
   Call: (259) [system] ')'==t
   Call: (259) [system] get_char((0x56051b6b4f40), t)
   Exit: (259) [system] get_char((0x56051b6b4f40), t)
   Call: (259) [system] t=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _292762)
   Call: (260) [system] peek_char((0x56051b6b4f40), _293696)
   Exit: (260) [system] peek_char((0x56051b6b4f40), r)
^  Call: (260) [user] is_delimiter(r)
   Call: (261) [system] char_type(r, space)
   Call: (261) [system] arg(_297488, v('(', ')', end_of_file), r)
   Call: (260) [system] ')'==r
   Call: (260) [system] get_char((0x56051b6b4f40), r)
   Exit: (260) [system] get_char((0x56051b6b4f40), r)
   Call: (260) [system] r=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _302058)
   Call: (261) [system] peek_char((0x56051b6b4f40), _302992)
   Exit: (261) [system] peek_char((0x56051b6b4f40), o)
^  Call: (261) [user] is_delimiter(o)
   Call: (262) [system] char_type(o, space)
   Call: (262) [system] arg(_306784, v('(', ')', end_of_file), o)
   Call: (261) [system] ')'==o
   Call: (261) [system] get_char((0x56051b6b4f40), o)
   Exit: (261) [system] get_char((0x56051b6b4f40), o)
   Call: (261) [system] o=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _311354)
   Call: (262) [system] peek_char((0x56051b6b4f40), _312288)
   Exit: (262) [system] peek_char((0x56051b6b4f40), d)
^  Call: (262) [user] is_delimiter(d)
   Call: (263) [system] char_type(d, space)
   Call: (263) [system] arg(_316080, v('(', ')', end_of_file), d)
   Call: (262) [system] ')'==d
   Call: (262) [system] get_char((0x56051b6b4f40), d)
   Exit: (262) [system] get_char((0x56051b6b4f40), d)
   Call: (262) [system] d=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _320650)
   Call: (263) [system] peek_char((0x56051b6b4f40), _321584)
   Exit: (263) [system] peek_char((0x56051b6b4f40), u)
^  Call: (263) [user] is_delimiter(u)
   Call: (264) [system] char_type(u, space)
   Call: (264) [system] arg(_325376, v('(', ')', end_of_file), u)
   Call: (263) [system] ')'==u
   Call: (263) [system] get_char((0x56051b6b4f40), u)
   Exit: (263) [system] get_char((0x56051b6b4f40), u)
   Call: (263) [system] u=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _329946)
   Call: (264) [system] peek_char((0x56051b6b4f40), _330880)
   Exit: (264) [system] peek_char((0x56051b6b4f40), c)
^  Call: (264) [user] is_delimiter(c)
   Call: (265) [system] char_type(c, space)
   Call: (265) [system] arg(_334672, v('(', ')', end_of_file), c)
   Call: (264) [system] ')'==c
   Call: (264) [system] get_char((0x56051b6b4f40), c)
   Exit: (264) [system] get_char((0x56051b6b4f40), c)
   Call: (264) [system] c=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _339242)
   Call: (265) [system] peek_char((0x56051b6b4f40), _340176)
   Exit: (265) [system] peek_char((0x56051b6b4f40), t)
^  Call: (265) [user] is_delimiter(t)
   Call: (266) [system] char_type(t, space)
   Call: (266) [system] arg(_343968, v('(', ')', end_of_file), t)
   Call: (265) [system] ')'==t
   Call: (265) [system] get_char((0x56051b6b4f40), t)
   Exit: (265) [system] get_char((0x56051b6b4f40), t)
   Call: (265) [system] t=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _348538)
   Call: (266) [system] peek_char((0x56051b6b4f40), _349472)
   Exit: (266) [system] peek_char((0x56051b6b4f40), i)
^  Call: (266) [user] is_delimiter(i)
   Call: (267) [system] char_type(i, space)
   Call: (267) [system] arg(_353264, v('(', ')', end_of_file), i)
   Call: (266) [system] ')'==i
   Call: (266) [system] get_char((0x56051b6b4f40), i)
   Exit: (266) [system] get_char((0x56051b6b4f40), i)
   Call: (266) [system] i=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _357834)
   Call: (267) [system] peek_char((0x56051b6b4f40), _358768)
   Exit: (267) [system] peek_char((0x56051b6b4f40), o)
^  Call: (267) [user] is_delimiter(o)
   Call: (268) [system] char_type(o, space)
   Call: (268) [system] arg(_362560, v('(', ')', end_of_file), o)
   Call: (267) [system] ')'==o
   Call: (267) [system] get_char((0x56051b6b4f40), o)
   Exit: (267) [system] get_char((0x56051b6b4f40), o)
   Call: (267) [system] o=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _367130)
   Call: (268) [system] peek_char((0x56051b6b4f40), _368064)
   Exit: (268) [system] peek_char((0x56051b6b4f40), n)
^  Call: (268) [user] is_delimiter(n)
   Call: (269) [system] char_type(n, space)
   Call: (269) [system] arg(_371856, v('(', ')', end_of_file), n)
   Call: (268) [system] ')'==n
   Call: (268) [system] get_char((0x56051b6b4f40), n)
   Exit: (268) [system] get_char((0x56051b6b4f40), n)
   Call: (268) [system] n=(\)
^  Call: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), _376426)
   Call: (269) [system] peek_char((0x56051b6b4f40), _377360)
   Exit: (269) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (269) [user] is_delimiter(' ')
   Call: (270) [system] char_type(' ', space)
   Exit: (270) [system] char_type(' ', space)
^  Exit: (269) [user] is_delimiter(' ')
   Call: (269) [system] _376426=[]
   Exit: (269) [system] []=[]
^  Exit: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (268) [system] _367130=[n]
   Exit: (268) [system] [n]=[n]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (267) [system] _357834=[o, n]
   Exit: (267) [system] [o, n]=[o, n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (266) [system] _348538=[i, o, n]
   Exit: (266) [system] [i, o, n]=[i, o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (265) [system] _339242=[t, i, o, n]
   Exit: (265) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (264) [system] _329946=[c, t, i, o, n]
   Exit: (264) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (263) [system] _320650=[u, c, t, i, o, n]
   Exit: (263) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (262) [system] _311354=[d, u, c, t, i, o, n]
   Exit: (262) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (261) [system] _302058=[o, d, u, c, t, i, o, n]
   Exit: (261) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (260) [system] _292762=[r, o, d, u, c, t, i, o, n]
   Exit: (260) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (259) [system] _283466=[t, r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _274170=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _264874=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _255578=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _246282=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _236986=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _227690=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _218394=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _209098=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _199802=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _190506=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _181210=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _171914=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (246) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _151370)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_448138, _448140), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _151370), _448114, fail)), '$restore_trace'(_448138, _448140))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_448138, _448140))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _151370), _448114, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(_151370)
   Call: (247) [system] atom_chars(_151370, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (247) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (246) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _456590)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _458448)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _465258)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _467962)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
   Call: (247) [system] a=(;)
^  Call: (247) [user] is_like_space(a)
   Call: (248) [system] char_type(a, 'white')
   Call: (248) [system] char_type(a, end_of_line)
   Call: (248) [system] char_type(a, space)
   Call: (248) [system] char_type(a, cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _477354)
   Exit: (245) [system] peek_char((0x56051b6b4f40), a)
   Call: (245) [system] a=')'
   Call: (245) [system] a=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _481068)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _482926)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
   Call: (247) [system] a=(;)
^  Call: (247) [user] is_like_space(a)
   Call: (248) [system] char_type(a, 'white')
   Call: (248) [system] char_type(a, end_of_line)
   Call: (248) [system] char_type(a, space)
   Call: (248) [system] char_type(a, cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _491394)
   Exit: (246) [system] get_char((0x56051b6b4f40), a)
   Call: (246) [system] a='('
   Call: (246) [system] a='['
   Call: (246) [system] a='{'
   Call: (246) [system] a='"'
   Call: (246) [system] a=!
   Call: (246) [system] a='\''
   Call: (246) [system] a='`'
   Call: (246) [system] a=end_of_file
^  Call: (246) [user] read_symbolic(')', (0x56051b6b4f40), a, _481068)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _501612)
   Call: (248) [system] peek_char((0x56051b6b4f40), _502546)
   Exit: (248) [system] peek_char((0x56051b6b4f40), b)
^  Call: (248) [user] is_delimiter(b)
   Call: (249) [system] char_type(b, space)
   Call: (249) [system] arg(_506338, v('(', ')', end_of_file), b)
   Call: (248) [system] ')'==b
   Call: (248) [system] get_char((0x56051b6b4f40), b)
   Exit: (248) [system] get_char((0x56051b6b4f40), b)
   Call: (248) [system] b=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _510908)
   Call: (249) [system] peek_char((0x56051b6b4f40), _511842)
   Exit: (249) [system] peek_char((0x56051b6b4f40), c)
^  Call: (249) [user] is_delimiter(c)
   Call: (250) [system] char_type(c, space)
   Call: (250) [system] arg(_515634, v('(', ')', end_of_file), c)
   Call: (249) [system] ')'==c
   Call: (249) [system] get_char((0x56051b6b4f40), c)
   Exit: (249) [system] get_char((0x56051b6b4f40), c)
   Call: (249) [system] c=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _520204)
   Call: (250) [system] peek_char((0x56051b6b4f40), _521138)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _520204=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (249) [system] _510908=[c]
   Exit: (249) [system] [c]=[c]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (248) [system] _501612=[b, c]
   Exit: (248) [system] [b, c]=[b, c]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (247) [user] classify_and_convert_charseq(a, [b, c], _481068)
^  Call: (249) [system] setup_call_cleanup('$notrace'(_536036, _536038), once(user:catch(read_from_chars([a, b, c], _481068), _536012, fail)), '$restore_trace'(_536036, _536038))
^  Call: (250) [system] sig_atomic(system:'$notrace'(_536036, _536038))
^  Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _536012, fail)), system:'$restore_trace'(3, -1))
   Call: (248) [system] atomic(abc)
   Exit: (248) [system] atomic(abc)
^  Exit: (247) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (246) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _543536)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _545394)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (247) [system] ' '=(;)
^  Call: (247) [user] is_like_space(' ')
   Call: (248) [system] char_type(' ', 'white')
   Exit: (248) [system] char_type(' ', 'white')
^  Exit: (247) [user] is_like_space(' ')
   Call: (247) [system] get_char((0x56051b6b4f40), _552204)
   Exit: (247) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _554908)
   Exit: (248) [system] peek_char((0x56051b6b4f40), c)
   Call: (248) [system] c=(;)
^  Call: (248) [user] is_like_space(c)
   Call: (249) [system] char_type(c, 'white')
   Call: (249) [system] char_type(c, end_of_line)
   Call: (249) [system] char_type(c, space)
   Call: (249) [system] char_type(c, cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _564300)
   Exit: (246) [system] peek_char((0x56051b6b4f40), c)
   Call: (246) [system] c=')'
   Call: (246) [system] c=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _568014)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _569872)
   Exit: (248) [system] peek_char((0x56051b6b4f40), c)
   Call: (248) [system] c=(;)
^  Call: (248) [user] is_like_space(c)
   Call: (249) [system] char_type(c, 'white')
   Call: (249) [system] char_type(c, end_of_line)
   Call: (249) [system] char_type(c, space)
   Call: (249) [system] char_type(c, cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _578340)
   Exit: (247) [system] get_char((0x56051b6b4f40), c)
   Call: (247) [system] c='('
   Call: (247) [system] c='['
   Call: (247) [system] c='{'
   Call: (247) [system] c='"'
   Call: (247) [system] c=!
   Call: (247) [system] c='\''
   Call: (247) [system] c='`'
   Call: (247) [system] c=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), c, _568014)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _588558)
   Call: (249) [system] peek_char((0x56051b6b4f40), _589492)
   Exit: (249) [system] peek_char((0x56051b6b4f40), d)
^  Call: (249) [user] is_delimiter(d)
   Call: (250) [system] char_type(d, space)
   Call: (250) [system] arg(_593284, v('(', ')', end_of_file), d)
   Call: (249) [system] ')'==d
   Call: (249) [system] get_char((0x56051b6b4f40), d)
   Exit: (249) [system] get_char((0x56051b6b4f40), d)
   Call: (249) [system] d=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _597854)
   Call: (250) [system] peek_char((0x56051b6b4f40), _598788)
   Exit: (250) [system] peek_char((0x56051b6b4f40), e)
^  Call: (250) [user] is_delimiter(e)
   Call: (251) [system] char_type(e, space)
   Call: (251) [system] arg(_602580, v('(', ')', end_of_file), e)
   Call: (250) [system] ')'==e
   Call: (250) [system] get_char((0x56051b6b4f40), e)
   Exit: (250) [system] get_char((0x56051b6b4f40), e)
   Call: (250) [system] e=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _607150)
   Call: (251) [system] peek_char((0x56051b6b4f40), _608084)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (251) [user] is_delimiter(')')
   Call: (252) [system] char_type(')', space)
   Call: (252) [system] arg(_611876, v('(', ')', end_of_file), ')')
   Exit: (252) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (251) [user] is_delimiter(')')
   Call: (251) [system] _607150=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (250) [system] _597854=[e]
   Exit: (250) [system] [e]=[e]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (249) [system] _588558=[d, e]
   Exit: (249) [system] [d, e]=[d, e]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (248) [user] classify_and_convert_charseq(c, [d, e], _568014)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_623926, _623928), once(user:catch(read_from_chars([c, d, e], _568014), _623902, fail)), '$restore_trace'(_623926, _623928))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_623926, _623928))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _623902, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(cde)
   Exit: (249) [system] atomic(cde)
^  Exit: (248) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _631426)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _633284)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
   Call: (248) [system] ')'=(;)
^  Call: (248) [user] is_like_space(')')
   Call: (249) [system] char_type(')', 'white')
   Call: (249) [system] char_type(')', end_of_line)
   Call: (249) [system] char_type(')', space)
   Call: (249) [system] char_type(')', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _641752)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=')'
   Exit: (247) [system] ')'=')'
   Call: (247) [system] get_char((0x56051b6b4f40), _645542)
   Exit: (247) [system] get_char((0x56051b6b4f40), ')')
   Call: (247) [system] _631426=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (246) [system] _543536=[cde]
   Exit: (246) [system] [cde]=[cde]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (245) [system] _456590=[abc, cde]
   Exit: (245) [system] [abc, cde]=[abc, cde]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [abc, cde])
   Call: (244) [system] _123292=['DisjunctionIntroduction', abc, cde]
   Exit: (244) [system] ['DisjunctionIntroduction', abc, cde]=['DisjunctionIntroduction', abc, cde]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, cde])
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, cde])
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _659424)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _661282)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=(;)
^  Call: (244) [user] is_like_space(')')
   Call: (245) [system] char_type(')', 'white')
   Call: (245) [system] char_type(')', end_of_line)
   Call: (245) [system] char_type(')', space)
   Call: (245) [system] char_type(')', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _669750)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=')'
   Exit: (243) [system] ')'=')'
   Call: (243) [system] get_char((0x56051b6b4f40), _673540)
   Exit: (243) [system] get_char((0x56051b6b4f40), ')')
   Call: (243) [system] _659424=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (242) [system] _98814=[['DisjunctionIntroduction', abc, cde]]
   Exit: (242) [system] [['DisjunctionIntroduction', abc, cde]]=[['DisjunctionIntroduction', abc, cde]]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, cde]])
   Call: (241) [system] _36048=[a, ['DisjunctionIntroduction', abc, cde]]
   Exit: (241) [system] [a, ['DisjunctionIntroduction', abc, cde]]=[a, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [a, ['DisjunctionIntroduction', abc, cde]])
   Call: (240) [system] _10088=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]]
   Exit: (240) [system] ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]]=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]])
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]])
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _687422)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _689280)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _696090)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _698794)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=(;)
^  Call: (241) [user] is_like_space('(')
   Call: (242) [system] char_type('(', 'white')
   Call: (242) [system] char_type('(', end_of_line)
   Call: (242) [system] char_type('(', space)
   Call: (242) [system] char_type('(', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _708186)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=')'
   Call: (239) [system] '('=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _711900)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _713758)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=(;)
^  Call: (241) [user] is_like_space('(')
   Call: (242) [system] char_type('(', 'white')
   Call: (242) [system] char_type('(', end_of_line)
   Call: (242) [system] char_type('(', space)
   Call: (242) [system] char_type('(', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _722226)
   Exit: (240) [system] get_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('='('
   Exit: (240) [system] '('='('
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _711900)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _727796)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (242) [system] 'O'=(;)
^  Call: (242) [user] is_like_space('O')
   Call: (243) [system] char_type('O', 'white')
   Call: (243) [system] char_type('O', end_of_line)
   Call: (243) [system] char_type('O', space)
   Call: (243) [system] char_type('O', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _736264)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (241) [system] 'O'=')'
   Call: (241) [system] 'O'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _739978)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _741836)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (243) [system] 'O'=(;)
^  Call: (243) [user] is_like_space('O')
   Call: (244) [system] char_type('O', 'white')
   Call: (244) [system] char_type('O', end_of_line)
   Call: (244) [system] char_type('O', space)
   Call: (244) [system] char_type('O', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _750304)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'O')
   Call: (242) [system] 'O'='('
   Call: (242) [system] 'O'='['
   Call: (242) [system] 'O'='{'
   Call: (242) [system] 'O'='"'
   Call: (242) [system] 'O'=!
   Call: (242) [system] 'O'='\''
   Call: (242) [system] 'O'='`'
   Call: (242) [system] 'O'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _739978)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _760522)
   Call: (244) [system] peek_char((0x56051b6b4f40), _761456)
   Exit: (244) [system] peek_char((0x56051b6b4f40), r)
^  Call: (244) [user] is_delimiter(r)
   Call: (245) [system] char_type(r, space)
   Call: (245) [system] arg(_765248, v('(', ')', end_of_file), r)
   Call: (244) [system] ')'==r
   Call: (244) [system] get_char((0x56051b6b4f40), r)
   Exit: (244) [system] get_char((0x56051b6b4f40), r)
   Call: (244) [system] r=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _769818)
   Call: (245) [system] peek_char((0x56051b6b4f40), _770752)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (245) [user] is_delimiter('L')
   Call: (246) [system] char_type('L', space)
   Call: (246) [system] arg(_774544, v('(', ')', end_of_file), 'L')
   Call: (245) [system] ')'=='L'
   Call: (245) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (245) [system] get_char((0x56051b6b4f40), 'L')
   Call: (245) [system] 'L'=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _779114)
   Call: (246) [system] peek_char((0x56051b6b4f40), _780048)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_783840, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _788410)
   Call: (247) [system] peek_char((0x56051b6b4f40), _789344)
   Exit: (247) [system] peek_char((0x56051b6b4f40), n)
^  Call: (247) [user] is_delimiter(n)
   Call: (248) [system] char_type(n, space)
   Call: (248) [system] arg(_793136, v('(', ')', end_of_file), n)
   Call: (247) [system] ')'==n
   Call: (247) [system] get_char((0x56051b6b4f40), n)
   Exit: (247) [system] get_char((0x56051b6b4f40), n)
   Call: (247) [system] n=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _797706)
   Call: (248) [system] peek_char((0x56051b6b4f40), _798640)
   Exit: (248) [system] peek_char((0x56051b6b4f40), k)
^  Call: (248) [user] is_delimiter(k)
   Call: (249) [system] char_type(k, space)
   Call: (249) [system] arg(_802432, v('(', ')', end_of_file), k)
   Call: (248) [system] ')'==k
   Call: (248) [system] get_char((0x56051b6b4f40), k)
   Exit: (248) [system] get_char((0x56051b6b4f40), k)
   Call: (248) [system] k=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _807002)
   Call: (249) [system] peek_char((0x56051b6b4f40), _807936)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _807002=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (248) [system] _797706=[k]
   Exit: (248) [system] [k]=[k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (247) [system] _788410=[n, k]
   Exit: (247) [system] [n, k]=[n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (246) [system] _779114=[i, n, k]
   Exit: (246) [system] [i, n, k]=[i, n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (245) [system] _769818=['L', i, n, k]
   Exit: (245) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (244) [system] _760522=[r, 'L', i, n, k]
   Exit: (244) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (243) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _739978)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_831216, _831218), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _739978), _831192, fail)), '$restore_trace'(_831216, _831218))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_831216, _831218))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _739978), _831192, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_739978)
   Call: (244) [system] atom_chars(_739978, ['O', r, 'L', i, n, k])
   Exit: (244) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (243) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _839668)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _841526)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _848336)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _851040)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (244) [system] 'B'=(;)
^  Call: (244) [user] is_like_space('B')
   Call: (245) [system] char_type('B', 'white')
   Call: (245) [system] char_type('B', end_of_line)
   Call: (245) [system] char_type('B', space)
   Call: (245) [system] char_type('B', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _860432)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (242) [system] 'B'=')'
   Call: (242) [system] 'B'=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _864146)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _866004)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (244) [system] 'B'=(;)
^  Call: (244) [user] is_like_space('B')
   Call: (245) [system] char_type('B', 'white')
   Call: (245) [system] char_type('B', end_of_line)
   Call: (245) [system] char_type('B', space)
   Call: (245) [system] char_type('B', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _874472)
   Exit: (243) [system] get_char((0x56051b6b4f40), 'B')
   Call: (243) [system] 'B'='('
   Call: (243) [system] 'B'='['
   Call: (243) [system] 'B'='{'
   Call: (243) [system] 'B'='"'
   Call: (243) [system] 'B'=!
   Call: (243) [system] 'B'='\''
   Call: (243) [system] 'B'='`'
   Call: (243) [system] 'B'=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _864146)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _884690)
   Call: (245) [system] peek_char((0x56051b6b4f40), _885624)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _884690=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (244) [user] classify_and_convert_charseq('B', [], _864146)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_894934, _894936), once(user:catch(read_from_chars(['B'], _864146), _894910, fail)), '$restore_trace'(_894934, _894936))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_894934, _894936))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _864146), _894910, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(_864146)
   Call: (245) [system] atom_chars(_864146, ['B'])
   Exit: (245) [system] atom_chars('B', ['B'])
^  Exit: (244) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _903386)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _905244)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _912054)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _914758)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=(;)
^  Call: (245) [user] is_like_space('(')
   Call: (246) [system] char_type('(', 'white')
   Call: (246) [system] char_type('(', end_of_line)
   Call: (246) [system] char_type('(', space)
   Call: (246) [system] char_type('(', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _924150)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=')'
   Call: (243) [system] '('=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _927864)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _929722)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=(;)
^  Call: (245) [user] is_like_space('(')
   Call: (246) [system] char_type('(', 'white')
   Call: (246) [system] char_type('(', end_of_line)
   Call: (246) [system] char_type('(', space)
   Call: (246) [system] char_type('(', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _938190)
   Exit: (244) [system] get_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('='('
   Exit: (244) [system] '('='('
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _927864)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _943760)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (246) [system] 'O'=(;)
^  Call: (246) [user] is_like_space('O')
   Call: (247) [system] char_type('O', 'white')
   Call: (247) [system] char_type('O', end_of_line)
   Call: (247) [system] char_type('O', space)
   Call: (247) [system] char_type('O', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _952228)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'=')'
   Call: (245) [system] 'O'=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _955942)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _957800)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (247) [system] 'O'=(;)
^  Call: (247) [user] is_like_space('O')
   Call: (248) [system] char_type('O', 'white')
   Call: (248) [system] char_type('O', end_of_line)
   Call: (248) [system] char_type('O', space)
   Call: (248) [system] char_type('O', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _966268)
   Exit: (246) [system] get_char((0x56051b6b4f40), 'O')
   Call: (246) [system] 'O'='('
   Call: (246) [system] 'O'='['
   Call: (246) [system] 'O'='{'
   Call: (246) [system] 'O'='"'
   Call: (246) [system] 'O'=!
   Call: (246) [system] 'O'='\''
   Call: (246) [system] 'O'='`'
   Call: (246) [system] 'O'=end_of_file
^  Call: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _955942)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _976486)
   Call: (248) [system] peek_char((0x56051b6b4f40), _977420)
   Exit: (248) [system] peek_char((0x56051b6b4f40), r)
^  Call: (248) [user] is_delimiter(r)
   Call: (249) [system] char_type(r, space)
   Call: (249) [system] arg(_981212, v('(', ')', end_of_file), r)
   Call: (248) [system] ')'==r
   Call: (248) [system] get_char((0x56051b6b4f40), r)
   Exit: (248) [system] get_char((0x56051b6b4f40), r)
   Call: (248) [system] r=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _985782)
   Call: (249) [system] peek_char((0x56051b6b4f40), _986716)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (249) [user] is_delimiter('L')
   Call: (250) [system] char_type('L', space)
   Call: (250) [system] arg(_990508, v('(', ')', end_of_file), 'L')
   Call: (249) [system] ')'=='L'
   Call: (249) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (249) [system] get_char((0x56051b6b4f40), 'L')
   Call: (249) [system] 'L'=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _995078)
   Call: (250) [system] peek_char((0x56051b6b4f40), _996012)
   Exit: (250) [system] peek_char((0x56051b6b4f40), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_999804, v('(', ')', end_of_file), i)
   Call: (250) [system] ')'==i
   Call: (250) [system] get_char((0x56051b6b4f40), i)
   Exit: (250) [system] get_char((0x56051b6b4f40), i)
   Call: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1004374)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1005308)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_1009100, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1013670)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1014604)
   Exit: (252) [system] peek_char((0x56051b6b4f40), k)
^  Call: (252) [user] is_delimiter(k)
   Call: (253) [system] char_type(k, space)
   Call: (253) [system] arg(_1018396, v('(', ')', end_of_file), k)
   Call: (252) [system] ')'==k
   Call: (252) [system] get_char((0x56051b6b4f40), k)
   Exit: (252) [system] get_char((0x56051b6b4f40), k)
   Call: (252) [system] k=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1022966)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1023900)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _1022966=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (252) [system] _1013670=[k]
   Exit: (252) [system] [k]=[k]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (251) [system] _1004374=[n, k]
   Exit: (251) [system] [n, k]=[n, k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (250) [system] _995078=[i, n, k]
   Exit: (250) [system] [i, n, k]=[i, n, k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (249) [system] _985782=['L', i, n, k]
   Exit: (249) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (248) [system] _976486=[r, 'L', i, n, k]
   Exit: (248) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (247) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _955942)
^  Call: (249) [system] setup_call_cleanup('$notrace'(_1047180, _1047182), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _955942), _1047156, fail)), '$restore_trace'(_1047180, _1047182))
^  Call: (250) [system] sig_atomic(system:'$notrace'(_1047180, _1047182))
^  Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _955942), _1047156, fail)), system:'$restore_trace'(3, -1))
   Call: (248) [system] atomic(_955942)
   Call: (248) [system] atom_chars(_955942, ['O', r, 'L', i, n, k])
   Exit: (248) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (247) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1055632)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1057490)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (247) [system] ' '=(;)
^  Call: (247) [user] is_like_space(' ')
   Call: (248) [system] char_type(' ', 'white')
   Exit: (248) [system] char_type(' ', 'white')
^  Exit: (247) [user] is_like_space(' ')
   Call: (247) [system] get_char((0x56051b6b4f40), _1064300)
   Exit: (247) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1067004)
   Exit: (248) [system] peek_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('=(;)
^  Call: (248) [user] is_like_space('(')
   Call: (249) [system] char_type('(', 'white')
   Call: (249) [system] char_type('(', end_of_line)
   Call: (249) [system] char_type('(', space)
   Call: (249) [system] char_type('(', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1076396)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=')'
   Call: (246) [system] '('=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _1080110)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1081968)
   Exit: (248) [system] peek_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('=(;)
^  Call: (248) [user] is_like_space('(')
   Call: (249) [system] char_type('(', 'white')
   Call: (249) [system] char_type('(', end_of_line)
   Call: (249) [system] char_type('(', space)
   Call: (249) [system] char_type('(', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _1090436)
   Exit: (247) [system] get_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('='('
   Exit: (247) [system] '('='('
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1080110)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1096006)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (249) [system] 'I'=(;)
^  Call: (249) [user] is_like_space('I')
   Call: (250) [system] char_type('I', 'white')
   Call: (250) [system] char_type('I', end_of_line)
   Call: (250) [system] char_type('I', space)
   Call: (250) [system] char_type('I', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1104474)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (248) [system] 'I'=')'
   Call: (248) [system] 'I'=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _1108188)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1110046)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (250) [system] 'I'=(;)
^  Call: (250) [user] is_like_space('I')
   Call: (251) [system] char_type('I', 'white')
   Call: (251) [system] char_type('I', end_of_line)
   Call: (251) [system] char_type('I', space)
   Call: (251) [system] char_type('I', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _1118514)
   Exit: (249) [system] get_char((0x56051b6b4f40), 'I')
   Call: (249) [system] 'I'='('
   Call: (249) [system] 'I'='['
   Call: (249) [system] 'I'='{'
   Call: (249) [system] 'I'='"'
   Call: (249) [system] 'I'=!
   Call: (249) [system] 'I'='\''
   Call: (249) [system] 'I'='`'
   Call: (249) [system] 'I'=end_of_file
^  Call: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1108188)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1128732)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1129666)
   Exit: (251) [system] peek_char((0x56051b6b4f40), m)
^  Call: (251) [user] is_delimiter(m)
   Call: (252) [system] char_type(m, space)
   Call: (252) [system] arg(_1133458, v('(', ')', end_of_file), m)
   Call: (251) [system] ')'==m
   Call: (251) [system] get_char((0x56051b6b4f40), m)
   Exit: (251) [system] get_char((0x56051b6b4f40), m)
   Call: (251) [system] m=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1138028)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1138962)
   Exit: (252) [system] peek_char((0x56051b6b4f40), p)
^  Call: (252) [user] is_delimiter(p)
   Call: (253) [system] char_type(p, space)
   Call: (253) [system] arg(_1142754, v('(', ')', end_of_file), p)
   Call: (252) [system] ')'==p
   Call: (252) [system] get_char((0x56051b6b4f40), p)
   Exit: (252) [system] get_char((0x56051b6b4f40), p)
   Call: (252) [system] p=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1147324)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1148258)
   Exit: (253) [system] peek_char((0x56051b6b4f40), l)
^  Call: (253) [user] is_delimiter(l)
   Call: (254) [system] char_type(l, space)
   Call: (254) [system] arg(_1152050, v('(', ')', end_of_file), l)
   Call: (253) [system] ')'==l
   Call: (253) [system] get_char((0x56051b6b4f40), l)
   Exit: (253) [system] get_char((0x56051b6b4f40), l)
   Call: (253) [system] l=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1156620)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1157554)
   Exit: (254) [system] peek_char((0x56051b6b4f40), i)
^  Call: (254) [user] is_delimiter(i)
   Call: (255) [system] char_type(i, space)
   Call: (255) [system] arg(_1161346, v('(', ')', end_of_file), i)
   Call: (254) [system] ')'==i
   Call: (254) [system] get_char((0x56051b6b4f40), i)
   Exit: (254) [system] get_char((0x56051b6b4f40), i)
   Call: (254) [system] i=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1165916)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1166850)
   Exit: (255) [system] peek_char((0x56051b6b4f40), c)
^  Call: (255) [user] is_delimiter(c)
   Call: (256) [system] char_type(c, space)
   Call: (256) [system] arg(_1170642, v('(', ')', end_of_file), c)
   Call: (255) [system] ')'==c
   Call: (255) [system] get_char((0x56051b6b4f40), c)
   Exit: (255) [system] get_char((0x56051b6b4f40), c)
   Call: (255) [system] c=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1175212)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1176146)
   Exit: (256) [system] peek_char((0x56051b6b4f40), a)
^  Call: (256) [user] is_delimiter(a)
   Call: (257) [system] char_type(a, space)
   Call: (257) [system] arg(_1179938, v('(', ')', end_of_file), a)
   Call: (256) [system] ')'==a
   Call: (256) [system] get_char((0x56051b6b4f40), a)
   Exit: (256) [system] get_char((0x56051b6b4f40), a)
   Call: (256) [system] a=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1184508)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1185442)
   Exit: (257) [system] peek_char((0x56051b6b4f40), t)
^  Call: (257) [user] is_delimiter(t)
   Call: (258) [system] char_type(t, space)
   Call: (258) [system] arg(_1189234, v('(', ')', end_of_file), t)
   Call: (257) [system] ')'==t
   Call: (257) [system] get_char((0x56051b6b4f40), t)
   Exit: (257) [system] get_char((0x56051b6b4f40), t)
   Call: (257) [system] t=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1193804)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1194738)
   Exit: (258) [system] peek_char((0x56051b6b4f40), i)
^  Call: (258) [user] is_delimiter(i)
   Call: (259) [system] char_type(i, space)
   Call: (259) [system] arg(_1198530, v('(', ')', end_of_file), i)
   Call: (258) [system] ')'==i
   Call: (258) [system] get_char((0x56051b6b4f40), i)
   Exit: (258) [system] get_char((0x56051b6b4f40), i)
   Call: (258) [system] i=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1203100)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1204034)
   Exit: (259) [system] peek_char((0x56051b6b4f40), o)
^  Call: (259) [user] is_delimiter(o)
   Call: (260) [system] char_type(o, space)
   Call: (260) [system] arg(_1207826, v('(', ')', end_of_file), o)
   Call: (259) [system] ')'==o
   Call: (259) [system] get_char((0x56051b6b4f40), o)
   Exit: (259) [system] get_char((0x56051b6b4f40), o)
   Call: (259) [system] o=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1212396)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1213330)
   Exit: (260) [system] peek_char((0x56051b6b4f40), n)
^  Call: (260) [user] is_delimiter(n)
   Call: (261) [system] char_type(n, space)
   Call: (261) [system] arg(_1217122, v('(', ')', end_of_file), n)
   Call: (260) [system] ')'==n
   Call: (260) [system] get_char((0x56051b6b4f40), n)
   Exit: (260) [system] get_char((0x56051b6b4f40), n)
   Call: (260) [system] n=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1221692)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1222626)
   Exit: (261) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (261) [user] is_delimiter(' ')
   Call: (262) [system] char_type(' ', space)
   Exit: (262) [system] char_type(' ', space)
^  Exit: (261) [user] is_delimiter(' ')
   Call: (261) [system] _1221692=[]
   Exit: (261) [system] []=[]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (260) [system] _1212396=[n]
   Exit: (260) [system] [n]=[n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (259) [system] _1203100=[o, n]
   Exit: (259) [system] [o, n]=[o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (258) [system] _1193804=[i, o, n]
   Exit: (258) [system] [i, o, n]=[i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (257) [system] _1184508=[t, i, o, n]
   Exit: (257) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (256) [system] _1175212=[a, t, i, o, n]
   Exit: (256) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (255) [system] _1165916=[c, a, t, i, o, n]
   Exit: (255) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (254) [system] _1156620=[i, c, a, t, i, o, n]
   Exit: (254) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (253) [system] _1147324=[l, i, c, a, t, i, o, n]
   Exit: (253) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (252) [system] _1138028=[p, l, i, c, a, t, i, o, n]
   Exit: (252) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (251) [system] _1128732=[m, p, l, i, c, a, t, i, o, n]
   Exit: (251) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (250) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1108188)
^  Call: (252) [system] setup_call_cleanup('$notrace'(_1259876, _1259878), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1108188), _1259852, fail)), '$restore_trace'(_1259876, _1259878))
^  Call: (253) [system] sig_atomic(system:'$notrace'(_1259876, _1259878))
^  Exit: (252) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1108188), _1259852, fail)), system:'$restore_trace'(3, -1))
   Call: (251) [system] atomic(_1108188)
   Call: (251) [system] atom_chars(_1108188, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (251) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (250) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1268328)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1270186)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (250) [system] ' '=(;)
^  Call: (250) [user] is_like_space(' ')
   Call: (251) [system] char_type(' ', 'white')
   Exit: (251) [system] char_type(' ', 'white')
^  Exit: (250) [user] is_like_space(' ')
   Call: (250) [system] get_char((0x56051b6b4f40), _1276996)
   Exit: (250) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1279700)
   Exit: (251) [system] peek_char((0x56051b6b4f40), '(')
   Call: (251) [system] '('=(;)
^  Call: (251) [user] is_like_space('(')
   Call: (252) [system] char_type('(', 'white')
   Call: (252) [system] char_type('(', end_of_line)
   Call: (252) [system] char_type('(', space)
   Call: (252) [system] char_type('(', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1289092)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=')'
   Call: (249) [system] '('=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _1292806)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1294664)
   Exit: (251) [system] peek_char((0x56051b6b4f40), '(')
   Call: (251) [system] '('=(;)
^  Call: (251) [user] is_like_space('(')
   Call: (252) [system] char_type('(', 'white')
   Call: (252) [system] char_type('(', end_of_line)
   Call: (252) [system] char_type('(', space)
   Call: (252) [system] char_type('(', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _1303132)
   Exit: (250) [system] get_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('='('
   Exit: (250) [system] '('='('
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _1292806)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1308702)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'=(;)
^  Call: (252) [user] is_like_space('A')
   Call: (253) [system] char_type('A', 'white')
   Call: (253) [system] char_type('A', end_of_line)
   Call: (253) [system] char_type('A', space)
   Call: (253) [system] char_type('A', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1317170)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (251) [system] 'A'=')'
   Call: (251) [system] 'A'=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _1320884)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1322742)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (253) [system] 'A'=(;)
^  Call: (253) [user] is_like_space('A')
   Call: (254) [system] char_type('A', 'white')
   Call: (254) [system] char_type('A', end_of_line)
   Call: (254) [system] char_type('A', space)
   Call: (254) [system] char_type('A', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _1331210)
   Exit: (252) [system] get_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'='('
   Call: (252) [system] 'A'='['
   Call: (252) [system] 'A'='{'
   Call: (252) [system] 'A'='"'
   Call: (252) [system] 'A'=!
   Call: (252) [system] 'A'='\''
   Call: (252) [system] 'A'='`'
   Call: (252) [system] 'A'=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1320884)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1341428)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1342362)
   Exit: (254) [system] peek_char((0x56051b6b4f40), n)
^  Call: (254) [user] is_delimiter(n)
   Call: (255) [system] char_type(n, space)
   Call: (255) [system] arg(_1346154, v('(', ')', end_of_file), n)
   Call: (254) [system] ')'==n
   Call: (254) [system] get_char((0x56051b6b4f40), n)
   Exit: (254) [system] get_char((0x56051b6b4f40), n)
   Call: (254) [system] n=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1350724)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1351658)
   Exit: (255) [system] peek_char((0x56051b6b4f40), d)
^  Call: (255) [user] is_delimiter(d)
   Call: (256) [system] char_type(d, space)
   Call: (256) [system] arg(_1355450, v('(', ')', end_of_file), d)
   Call: (255) [system] ')'==d
   Call: (255) [system] get_char((0x56051b6b4f40), d)
   Exit: (255) [system] get_char((0x56051b6b4f40), d)
   Call: (255) [system] d=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1360020)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1360954)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (256) [user] is_delimiter('L')
   Call: (257) [system] char_type('L', space)
   Call: (257) [system] arg(_1364746, v('(', ')', end_of_file), 'L')
   Call: (256) [system] ')'=='L'
   Call: (256) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (256) [system] get_char((0x56051b6b4f40), 'L')
   Call: (256) [system] 'L'=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1369316)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1370250)
   Exit: (257) [system] peek_char((0x56051b6b4f40), i)
^  Call: (257) [user] is_delimiter(i)
   Call: (258) [system] char_type(i, space)
   Call: (258) [system] arg(_1374042, v('(', ')', end_of_file), i)
   Call: (257) [system] ')'==i
   Call: (257) [system] get_char((0x56051b6b4f40), i)
   Exit: (257) [system] get_char((0x56051b6b4f40), i)
   Call: (257) [system] i=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1378612)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1379546)
   Exit: (258) [system] peek_char((0x56051b6b4f40), n)
^  Call: (258) [user] is_delimiter(n)
   Call: (259) [system] char_type(n, space)
   Call: (259) [system] arg(_1383338, v('(', ')', end_of_file), n)
   Call: (258) [system] ')'==n
   Call: (258) [system] get_char((0x56051b6b4f40), n)
   Exit: (258) [system] get_char((0x56051b6b4f40), n)
   Call: (258) [system] n=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1387908)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1388842)
   Exit: (259) [system] peek_char((0x56051b6b4f40), k)
^  Call: (259) [user] is_delimiter(k)
   Call: (260) [system] char_type(k, space)
   Call: (260) [system] arg(_1392634, v('(', ')', end_of_file), k)
   Call: (259) [system] ')'==k
   Call: (259) [system] get_char((0x56051b6b4f40), k)
   Exit: (259) [system] get_char((0x56051b6b4f40), k)
   Call: (259) [system] k=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1397204)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1398138)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (260) [user] is_delimiter(' ')
   Call: (261) [system] char_type(' ', space)
   Exit: (261) [system] char_type(' ', space)
^  Exit: (260) [user] is_delimiter(' ')
   Call: (260) [system] _1397204=[]
   Exit: (260) [system] []=[]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (259) [system] _1387908=[k]
   Exit: (259) [system] [k]=[k]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (258) [system] _1378612=[n, k]
   Exit: (258) [system] [n, k]=[n, k]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (257) [system] _1369316=[i, n, k]
   Exit: (257) [system] [i, n, k]=[i, n, k]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (256) [system] _1360020=['L', i, n, k]
   Exit: (256) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (255) [system] _1350724=[d, 'L', i, n, k]
   Exit: (255) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (254) [system] _1341428=[n, d, 'L', i, n, k]
   Exit: (254) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (253) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _1320884)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_1424212, _1424214), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1320884), _1424188, fail)), '$restore_trace'(_1424212, _1424214))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_1424212, _1424214))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _1320884), _1424188, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(_1320884)
   Call: (254) [system] atom_chars(_1320884, ['A', n, d, 'L', i, n, k])
   Exit: (254) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (253) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _1432664)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1434522)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (253) [system] ' '=(;)
^  Call: (253) [user] is_like_space(' ')
   Call: (254) [system] char_type(' ', 'white')
   Exit: (254) [system] char_type(' ', 'white')
^  Exit: (253) [user] is_like_space(' ')
   Call: (253) [system] get_char((0x56051b6b4f40), _1441332)
   Exit: (253) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1444036)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (254) [system] 'A'=(;)
^  Call: (254) [user] is_like_space('A')
   Call: (255) [system] char_type('A', 'white')
   Call: (255) [system] char_type('A', end_of_line)
   Call: (255) [system] char_type('A', space)
   Call: (255) [system] char_type('A', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1453428)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'=')'
   Call: (252) [system] 'A'=end_of_file
^  Call: (252) [user] cont_sexpr(')', (0x56051b6b4f40), _1457142)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1459000)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (254) [system] 'A'=(;)
^  Call: (254) [user] is_like_space('A')
   Call: (255) [system] char_type('A', 'white')
   Call: (255) [system] char_type('A', end_of_line)
   Call: (255) [system] char_type('A', space)
   Call: (255) [system] char_type('A', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] get_char((0x56051b6b4f40), _1467468)
   Exit: (253) [system] get_char((0x56051b6b4f40), 'A')
   Call: (253) [system] 'A'='('
   Call: (253) [system] 'A'='['
   Call: (253) [system] 'A'='{'
   Call: (253) [system] 'A'='"'
   Call: (253) [system] 'A'=!
   Call: (253) [system] 'A'='\''
   Call: (253) [system] 'A'='`'
   Call: (253) [system] 'A'=end_of_file
^  Call: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1457142)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1477686)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1478620)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (255) [user] is_delimiter(' ')
   Call: (256) [system] char_type(' ', space)
   Exit: (256) [system] char_type(' ', space)
^  Exit: (255) [user] is_delimiter(' ')
   Call: (255) [system] _1477686=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (254) [user] classify_and_convert_charseq('A', [], _1457142)
^  Call: (256) [system] setup_call_cleanup('$notrace'(_1487930, _1487932), once(user:catch(read_from_chars(['A'], _1457142), _1487906, fail)), '$restore_trace'(_1487930, _1487932))
^  Call: (257) [system] sig_atomic(system:'$notrace'(_1487930, _1487932))
^  Exit: (256) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1457142), _1487906, fail)), system:'$restore_trace'(3, -1))
   Call: (255) [system] atomic(_1457142)
   Call: (255) [system] atom_chars(_1457142, ['A'])
   Exit: (255) [system] atom_chars('A', ['A'])
^  Exit: (254) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (252) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (252) [user] read_list(')', (0x56051b6b4f40), _1496382)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1498240)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (254) [system] ' '=(;)
^  Call: (254) [user] is_like_space(' ')
   Call: (255) [system] char_type(' ', 'white')
   Exit: (255) [system] char_type(' ', 'white')
^  Exit: (254) [user] is_like_space(' ')
   Call: (254) [system] get_char((0x56051b6b4f40), _1505050)
   Exit: (254) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _1507754)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (255) [system] 'B'=(;)
^  Call: (255) [user] is_like_space('B')
   Call: (256) [system] char_type('B', 'white')
   Call: (256) [system] char_type('B', end_of_line)
   Call: (256) [system] char_type('B', space)
   Call: (256) [system] char_type('B', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1517146)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (253) [system] 'B'=')'
   Call: (253) [system] 'B'=end_of_file
^  Call: (253) [user] cont_sexpr(')', (0x56051b6b4f40), _1520860)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _1522718)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (255) [system] 'B'=(;)
^  Call: (255) [user] is_like_space('B')
   Call: (256) [system] char_type('B', 'white')
   Call: (256) [system] char_type('B', end_of_line)
   Call: (256) [system] char_type('B', space)
   Call: (256) [system] char_type('B', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] get_char((0x56051b6b4f40), _1531186)
   Exit: (254) [system] get_char((0x56051b6b4f40), 'B')
   Call: (254) [system] 'B'='('
   Call: (254) [system] 'B'='['
   Call: (254) [system] 'B'='{'
   Call: (254) [system] 'B'='"'
   Call: (254) [system] 'B'=!
   Call: (254) [system] 'B'='\''
   Call: (254) [system] 'B'='`'
   Call: (254) [system] 'B'=end_of_file
^  Call: (254) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1520860)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1541404)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1542338)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (256) [user] is_delimiter(')')
   Call: (257) [system] char_type(')', space)
   Call: (257) [system] arg(_1546130, v('(', ')', end_of_file), ')')
   Exit: (257) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (256) [user] is_delimiter(')')
   Call: (256) [system] _1541404=[]
   Exit: (256) [system] []=[]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (255) [user] classify_and_convert_charseq('B', [], _1520860)
^  Call: (257) [system] setup_call_cleanup('$notrace'(_1552592, _1552594), once(user:catch(read_from_chars(['B'], _1520860), _1552568, fail)), '$restore_trace'(_1552592, _1552594))
^  Call: (258) [system] sig_atomic(system:'$notrace'(_1552592, _1552594))
^  Exit: (257) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1520860), _1552568, fail)), system:'$restore_trace'(3, -1))
   Call: (256) [system] atomic(_1520860)
   Call: (256) [system] atom_chars(_1520860, ['B'])
   Exit: (256) [system] atom_chars('B', ['B'])
^  Exit: (255) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (254) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (253) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (253) [user] read_list(')', (0x56051b6b4f40), _1561044)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _1562902)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ')')
   Call: (255) [system] ')'=(;)
^  Call: (255) [user] is_like_space(')')
   Call: (256) [system] char_type(')', 'white')
   Call: (256) [system] char_type(')', end_of_line)
   Call: (256) [system] char_type(')', space)
   Call: (256) [system] char_type(')', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1571370)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
   Call: (254) [system] ')'=')'
   Exit: (254) [system] ')'=')'
   Call: (254) [system] get_char((0x56051b6b4f40), _1575160)
   Exit: (254) [system] get_char((0x56051b6b4f40), ')')
   Call: (254) [system] _1561044=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (253) [system] _1496382=['B']
   Exit: (253) [system] ['B']=['B']
^  Exit: (252) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (252) [system] _1432664=['A', 'B']
   Exit: (252) [system] ['A', 'B']=['A', 'B']
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (251) [system] _1292806=['AndLink', 'A', 'B']
   Exit: (251) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1589042)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1590900)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (251) [system] ' '=(;)
^  Call: (251) [user] is_like_space(' ')
   Call: (252) [system] char_type(' ', 'white')
   Exit: (252) [system] char_type(' ', 'white')
^  Exit: (251) [user] is_like_space(' ')
   Call: (251) [system] get_char((0x56051b6b4f40), _1597710)
   Exit: (251) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1600414)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (252) [system] 'C'=(;)
^  Call: (252) [user] is_like_space('C')
   Call: (253) [system] char_type('C', 'white')
   Call: (253) [system] char_type('C', end_of_line)
   Call: (253) [system] char_type('C', space)
   Call: (253) [system] char_type('C', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1609806)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (250) [system] 'C'=')'
   Call: (250) [system] 'C'=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _1613520)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1615378)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (252) [system] 'C'=(;)
^  Call: (252) [user] is_like_space('C')
   Call: (253) [system] char_type('C', 'white')
   Call: (253) [system] char_type('C', end_of_line)
   Call: (253) [system] char_type('C', space)
   Call: (253) [system] char_type('C', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _1623846)
   Exit: (251) [system] get_char((0x56051b6b4f40), 'C')
   Call: (251) [system] 'C'='('
   Call: (251) [system] 'C'='['
   Call: (251) [system] 'C'='{'
   Call: (251) [system] 'C'='"'
   Call: (251) [system] 'C'=!
   Call: (251) [system] 'C'='\''
   Call: (251) [system] 'C'='`'
   Call: (251) [system] 'C'=end_of_file
^  Call: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1613520)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1634064)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1634998)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (253) [user] is_delimiter(')')
   Call: (254) [system] char_type(')', space)
   Call: (254) [system] arg(_1638790, v('(', ')', end_of_file), ')')
   Exit: (254) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (253) [user] is_delimiter(')')
   Call: (253) [system] _1634064=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (252) [user] classify_and_convert_charseq('C', [], _1613520)
^  Call: (254) [system] setup_call_cleanup('$notrace'(_1645252, _1645254), once(user:catch(read_from_chars(['C'], _1613520), _1645228, fail)), '$restore_trace'(_1645252, _1645254))
^  Call: (255) [system] sig_atomic(system:'$notrace'(_1645252, _1645254))
^  Exit: (254) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1613520), _1645228, fail)), system:'$restore_trace'(3, -1))
   Call: (253) [system] atomic(_1613520)
   Call: (253) [system] atom_chars(_1613520, ['C'])
   Exit: (253) [system] atom_chars('C', ['C'])
^  Exit: (252) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _1653704)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1655562)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
   Call: (252) [system] ')'=(;)
^  Call: (252) [user] is_like_space(')')
   Call: (253) [system] char_type(')', 'white')
   Call: (253) [system] char_type(')', end_of_line)
   Call: (253) [system] char_type(')', space)
   Call: (253) [system] char_type(')', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1664030)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
   Call: (251) [system] ')'=')'
   Exit: (251) [system] ')'=')'
   Call: (251) [system] get_char((0x56051b6b4f40), _1667820)
   Exit: (251) [system] get_char((0x56051b6b4f40), ')')
   Call: (251) [system] _1653704=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (250) [system] _1589042=['C']
   Exit: (250) [system] ['C']=['C']
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (249) [system] _1268328=[['AndLink', 'A', 'B'], 'C']
   Exit: (249) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (248) [system] _1080110=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (248) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1681702)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1683560)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (248) [system] ' '=(;)
^  Call: (248) [user] is_like_space(' ')
   Call: (249) [system] char_type(' ', 'white')
   Exit: (249) [system] char_type(' ', 'white')
^  Exit: (248) [user] is_like_space(' ')
   Call: (248) [system] get_char((0x56051b6b4f40), _1690370)
   Exit: (248) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1693074)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=(;)
^  Call: (249) [user] is_like_space('(')
   Call: (250) [system] char_type('(', 'white')
   Call: (250) [system] char_type('(', end_of_line)
   Call: (250) [system] char_type('(', space)
   Call: (250) [system] char_type('(', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1702466)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=')'
   Call: (247) [system] '('=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _1706180)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1708038)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=(;)
^  Call: (249) [user] is_like_space('(')
   Call: (250) [system] char_type('(', 'white')
   Call: (250) [system] char_type('(', end_of_line)
   Call: (250) [system] char_type('(', space)
   Call: (250) [system] char_type('(', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _1716506)
   Exit: (248) [system] get_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('='('
   Exit: (248) [system] '('='('
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1706180)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1722076)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (250) [system] 'I'=(;)
^  Call: (250) [user] is_like_space('I')
   Call: (251) [system] char_type('I', 'white')
   Call: (251) [system] char_type('I', end_of_line)
   Call: (251) [system] char_type('I', space)
   Call: (251) [system] char_type('I', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1730544)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (249) [system] 'I'=')'
   Call: (249) [system] 'I'=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _1734258)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1736116)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (251) [system] 'I'=(;)
^  Call: (251) [user] is_like_space('I')
   Call: (252) [system] char_type('I', 'white')
   Call: (252) [system] char_type('I', end_of_line)
   Call: (252) [system] char_type('I', space)
   Call: (252) [system] char_type('I', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _1744584)
   Exit: (250) [system] get_char((0x56051b6b4f40), 'I')
   Call: (250) [system] 'I'='('
   Call: (250) [system] 'I'='['
   Call: (250) [system] 'I'='{'
   Call: (250) [system] 'I'='"'
   Call: (250) [system] 'I'=!
   Call: (250) [system] 'I'='\''
   Call: (250) [system] 'I'='`'
   Call: (250) [system] 'I'=end_of_file
^  Call: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1734258)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1754802)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1755736)
   Exit: (252) [system] peek_char((0x56051b6b4f40), m)
^  Call: (252) [user] is_delimiter(m)
   Call: (253) [system] char_type(m, space)
   Call: (253) [system] arg(_1759528, v('(', ')', end_of_file), m)
   Call: (252) [system] ')'==m
   Call: (252) [system] get_char((0x56051b6b4f40), m)
   Exit: (252) [system] get_char((0x56051b6b4f40), m)
   Call: (252) [system] m=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1764098)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1765032)
   Exit: (253) [system] peek_char((0x56051b6b4f40), p)
^  Call: (253) [user] is_delimiter(p)
   Call: (254) [system] char_type(p, space)
   Call: (254) [system] arg(_1768824, v('(', ')', end_of_file), p)
   Call: (253) [system] ')'==p
   Call: (253) [system] get_char((0x56051b6b4f40), p)
   Exit: (253) [system] get_char((0x56051b6b4f40), p)
   Call: (253) [system] p=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1773394)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1774328)
   Exit: (254) [system] peek_char((0x56051b6b4f40), l)
^  Call: (254) [user] is_delimiter(l)
   Call: (255) [system] char_type(l, space)
   Call: (255) [system] arg(_1778120, v('(', ')', end_of_file), l)
   Call: (254) [system] ')'==l
   Call: (254) [system] get_char((0x56051b6b4f40), l)
   Exit: (254) [system] get_char((0x56051b6b4f40), l)
   Call: (254) [system] l=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1782690)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1783624)
   Exit: (255) [system] peek_char((0x56051b6b4f40), i)
^  Call: (255) [user] is_delimiter(i)
   Call: (256) [system] char_type(i, space)
   Call: (256) [system] arg(_1787416, v('(', ')', end_of_file), i)
   Call: (255) [system] ')'==i
   Call: (255) [system] get_char((0x56051b6b4f40), i)
   Exit: (255) [system] get_char((0x56051b6b4f40), i)
   Call: (255) [system] i=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1791986)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1792920)
   Exit: (256) [system] peek_char((0x56051b6b4f40), c)
^  Call: (256) [user] is_delimiter(c)
   Call: (257) [system] char_type(c, space)
   Call: (257) [system] arg(_1796712, v('(', ')', end_of_file), c)
   Call: (256) [system] ')'==c
   Call: (256) [system] get_char((0x56051b6b4f40), c)
   Exit: (256) [system] get_char((0x56051b6b4f40), c)
   Call: (256) [system] c=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1801282)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1802216)
   Exit: (257) [system] peek_char((0x56051b6b4f40), a)
^  Call: (257) [user] is_delimiter(a)
   Call: (258) [system] char_type(a, space)
   Call: (258) [system] arg(_1806008, v('(', ')', end_of_file), a)
   Call: (257) [system] ')'==a
   Call: (257) [system] get_char((0x56051b6b4f40), a)
   Exit: (257) [system] get_char((0x56051b6b4f40), a)
   Call: (257) [system] a=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1810578)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1811512)
   Exit: (258) [system] peek_char((0x56051b6b4f40), t)
^  Call: (258) [user] is_delimiter(t)
   Call: (259) [system] char_type(t, space)
   Call: (259) [system] arg(_1815304, v('(', ')', end_of_file), t)
   Call: (258) [system] ')'==t
   Call: (258) [system] get_char((0x56051b6b4f40), t)
   Exit: (258) [system] get_char((0x56051b6b4f40), t)
   Call: (258) [system] t=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1819874)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1820808)
   Exit: (259) [system] peek_char((0x56051b6b4f40), i)
^  Call: (259) [user] is_delimiter(i)
   Call: (260) [system] char_type(i, space)
   Call: (260) [system] arg(_1824600, v('(', ')', end_of_file), i)
   Call: (259) [system] ')'==i
   Call: (259) [system] get_char((0x56051b6b4f40), i)
   Exit: (259) [system] get_char((0x56051b6b4f40), i)
   Call: (259) [system] i=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1829170)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1830104)
   Exit: (260) [system] peek_char((0x56051b6b4f40), o)
^  Call: (260) [user] is_delimiter(o)
   Call: (261) [system] char_type(o, space)
   Call: (261) [system] arg(_1833896, v('(', ')', end_of_file), o)
   Call: (260) [system] ')'==o
   Call: (260) [system] get_char((0x56051b6b4f40), o)
   Exit: (260) [system] get_char((0x56051b6b4f40), o)
   Call: (260) [system] o=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1838466)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1839400)
   Exit: (261) [system] peek_char((0x56051b6b4f40), n)
^  Call: (261) [user] is_delimiter(n)
   Call: (262) [system] char_type(n, space)
   Call: (262) [system] arg(_1843192, v('(', ')', end_of_file), n)
   Call: (261) [system] ')'==n
   Call: (261) [system] get_char((0x56051b6b4f40), n)
   Exit: (261) [system] get_char((0x56051b6b4f40), n)
   Call: (261) [system] n=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1847762)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1848696)
   Exit: (262) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (262) [user] is_delimiter(' ')
   Call: (263) [system] char_type(' ', space)
   Exit: (263) [system] char_type(' ', space)
^  Exit: (262) [user] is_delimiter(' ')
   Call: (262) [system] _1847762=[]
   Exit: (262) [system] []=[]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (261) [system] _1838466=[n]
   Exit: (261) [system] [n]=[n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (260) [system] _1829170=[o, n]
   Exit: (260) [system] [o, n]=[o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (259) [system] _1819874=[i, o, n]
   Exit: (259) [system] [i, o, n]=[i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (258) [system] _1810578=[t, i, o, n]
   Exit: (258) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (257) [system] _1801282=[a, t, i, o, n]
   Exit: (257) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (256) [system] _1791986=[c, a, t, i, o, n]
   Exit: (256) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (255) [system] _1782690=[i, c, a, t, i, o, n]
   Exit: (255) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (254) [system] _1773394=[l, i, c, a, t, i, o, n]
   Exit: (254) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (253) [system] _1764098=[p, l, i, c, a, t, i, o, n]
   Exit: (253) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (252) [system] _1754802=[m, p, l, i, c, a, t, i, o, n]
   Exit: (252) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (251) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1734258)
^  Call: (253) [system] setup_call_cleanup('$notrace'(_1885946, _1885948), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1734258), _1885922, fail)), '$restore_trace'(_1885946, _1885948))
^  Call: (254) [system] sig_atomic(system:'$notrace'(_1885946, _1885948))
^  Exit: (253) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1734258), _1885922, fail)), system:'$restore_trace'(3, -1))
   Call: (252) [system] atomic(_1734258)
   Call: (252) [system] atom_chars(_1734258, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (252) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (251) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1894398)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1896256)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (251) [system] ' '=(;)
^  Call: (251) [user] is_like_space(' ')
   Call: (252) [system] char_type(' ', 'white')
   Exit: (252) [system] char_type(' ', 'white')
^  Exit: (251) [user] is_like_space(' ')
   Call: (251) [system] get_char((0x56051b6b4f40), _1903066)
   Exit: (251) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1905770)
   Exit: (252) [system] peek_char((0x56051b6b4f40), '(')
   Call: (252) [system] '('=(;)
^  Call: (252) [user] is_like_space('(')
   Call: (253) [system] char_type('(', 'white')
   Call: (253) [system] char_type('(', end_of_line)
   Call: (253) [system] char_type('(', space)
   Call: (253) [system] char_type('(', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1915162)
   Exit: (250) [system] peek_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('=')'
   Call: (250) [system] '('=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _1918876)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1920734)
   Exit: (252) [system] peek_char((0x56051b6b4f40), '(')
   Call: (252) [system] '('=(;)
^  Call: (252) [user] is_like_space('(')
   Call: (253) [system] char_type('(', 'white')
   Call: (253) [system] char_type('(', end_of_line)
   Call: (253) [system] char_type('(', space)
   Call: (253) [system] char_type('(', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _1929202)
   Exit: (251) [system] get_char((0x56051b6b4f40), '(')
   Call: (251) [system] '('='('
   Exit: (251) [system] '('='('
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _1918876)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1934772)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (253) [system] 'O'=(;)
^  Call: (253) [user] is_like_space('O')
   Call: (254) [system] char_type('O', 'white')
   Call: (254) [system] char_type('O', end_of_line)
   Call: (254) [system] char_type('O', space)
   Call: (254) [system] char_type('O', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1943240)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (252) [system] 'O'=')'
   Call: (252) [system] 'O'=end_of_file
^  Call: (252) [user] cont_sexpr(')', (0x56051b6b4f40), _1946954)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1948812)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (254) [system] 'O'=(;)
^  Call: (254) [user] is_like_space('O')
   Call: (255) [system] char_type('O', 'white')
   Call: (255) [system] char_type('O', end_of_line)
   Call: (255) [system] char_type('O', space)
   Call: (255) [system] char_type('O', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] get_char((0x56051b6b4f40), _1957280)
   Exit: (253) [system] get_char((0x56051b6b4f40), 'O')
   Call: (253) [system] 'O'='('
   Call: (253) [system] 'O'='['
   Call: (253) [system] 'O'='{'
   Call: (253) [system] 'O'='"'
   Call: (253) [system] 'O'=!
   Call: (253) [system] 'O'='\''
   Call: (253) [system] 'O'='`'
   Call: (253) [system] 'O'=end_of_file
^  Call: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1946954)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1967498)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1968432)
   Exit: (255) [system] peek_char((0x56051b6b4f40), r)
^  Call: (255) [user] is_delimiter(r)
   Call: (256) [system] char_type(r, space)
   Call: (256) [system] arg(_1972224, v('(', ')', end_of_file), r)
   Call: (255) [system] ')'==r
   Call: (255) [system] get_char((0x56051b6b4f40), r)
   Exit: (255) [system] get_char((0x56051b6b4f40), r)
   Call: (255) [system] r=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1976794)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1977728)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (256) [user] is_delimiter('L')
   Call: (257) [system] char_type('L', space)
   Call: (257) [system] arg(_1981520, v('(', ')', end_of_file), 'L')
   Call: (256) [system] ')'=='L'
   Call: (256) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (256) [system] get_char((0x56051b6b4f40), 'L')
   Call: (256) [system] 'L'=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1986090)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1987024)
   Exit: (257) [system] peek_char((0x56051b6b4f40), i)
^  Call: (257) [user] is_delimiter(i)
   Call: (258) [system] char_type(i, space)
   Call: (258) [system] arg(_1990816, v('(', ')', end_of_file), i)
   Call: (257) [system] ')'==i
   Call: (257) [system] get_char((0x56051b6b4f40), i)
   Exit: (257) [system] get_char((0x56051b6b4f40), i)
   Call: (257) [system] i=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1995386)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1996320)
   Exit: (258) [system] peek_char((0x56051b6b4f40), n)
^  Call: (258) [user] is_delimiter(n)
   Call: (259) [system] char_type(n, space)
   Call: (259) [system] arg(_2000112, v('(', ')', end_of_file), n)
   Call: (258) [system] ')'==n
   Call: (258) [system] get_char((0x56051b6b4f40), n)
   Exit: (258) [system] get_char((0x56051b6b4f40), n)
   Call: (258) [system] n=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2004682)
   Call: (259) [system] peek_char((0x56051b6b4f40), _2005616)
   Exit: (259) [system] peek_char((0x56051b6b4f40), k)
^  Call: (259) [user] is_delimiter(k)
   Call: (260) [system] char_type(k, space)
   Call: (260) [system] arg(_2009408, v('(', ')', end_of_file), k)
   Call: (259) [system] ')'==k
   Call: (259) [system] get_char((0x56051b6b4f40), k)
   Exit: (259) [system] get_char((0x56051b6b4f40), k)
   Call: (259) [system] k=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2013978)
   Call: (260) [system] peek_char((0x56051b6b4f40), _2014912)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (260) [user] is_delimiter(' ')
   Call: (261) [system] char_type(' ', space)
   Exit: (261) [system] char_type(' ', space)
^  Exit: (260) [user] is_delimiter(' ')
   Call: (260) [system] _2013978=[]
   Exit: (260) [system] []=[]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (259) [system] _2004682=[k]
   Exit: (259) [system] [k]=[k]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (258) [system] _1995386=[n, k]
   Exit: (258) [system] [n, k]=[n, k]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (257) [system] _1986090=[i, n, k]
   Exit: (257) [system] [i, n, k]=[i, n, k]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (256) [system] _1976794=['L', i, n, k]
   Exit: (256) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (255) [system] _1967498=[r, 'L', i, n, k]
   Exit: (255) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (254) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1946954)
^  Call: (256) [system] setup_call_cleanup('$notrace'(_2038192, _2038194), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1946954), _2038168, fail)), '$restore_trace'(_2038192, _2038194))
^  Call: (257) [system] sig_atomic(system:'$notrace'(_2038192, _2038194))
^  Exit: (256) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1946954), _2038168, fail)), system:'$restore_trace'(3, -1))
   Call: (255) [system] atomic(_1946954)
   Call: (255) [system] atom_chars(_1946954, ['O', r, 'L', i, n, k])
   Exit: (255) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (254) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (252) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (252) [user] read_list(')', (0x56051b6b4f40), _2046644)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _2048502)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (254) [system] ' '=(;)
^  Call: (254) [user] is_like_space(' ')
   Call: (255) [system] char_type(' ', 'white')
   Exit: (255) [system] char_type(' ', 'white')
^  Exit: (254) [user] is_like_space(' ')
   Call: (254) [system] get_char((0x56051b6b4f40), _2055312)
   Exit: (254) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _2058016)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (255) [system] 'C'=(;)
^  Call: (255) [user] is_like_space('C')
   Call: (256) [system] char_type('C', 'white')
   Call: (256) [system] char_type('C', end_of_line)
   Call: (256) [system] char_type('C', space)
   Call: (256) [system] char_type('C', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _2067408)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (253) [system] 'C'=')'
   Call: (253) [system] 'C'=end_of_file
^  Call: (253) [user] cont_sexpr(')', (0x56051b6b4f40), _2071122)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _2072980)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (255) [system] 'C'=(;)
^  Call: (255) [user] is_like_space('C')
   Call: (256) [system] char_type('C', 'white')
   Call: (256) [system] char_type('C', end_of_line)
   Call: (256) [system] char_type('C', space)
   Call: (256) [system] char_type('C', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] get_char((0x56051b6b4f40), _2081448)
   Exit: (254) [system] get_char((0x56051b6b4f40), 'C')
   Call: (254) [system] 'C'='('
   Call: (254) [system] 'C'='['
   Call: (254) [system] 'C'='{'
   Call: (254) [system] 'C'='"'
   Call: (254) [system] 'C'=!
   Call: (254) [system] 'C'='\''
   Call: (254) [system] 'C'='`'
   Call: (254) [system] 'C'=end_of_file
^  Call: (254) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2071122)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2091666)
   Call: (256) [system] peek_char((0x56051b6b4f40), _2092600)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (256) [user] is_delimiter(' ')
   Call: (257) [system] char_type(' ', space)
   Exit: (257) [system] char_type(' ', space)
^  Exit: (256) [user] is_delimiter(' ')
   Call: (256) [system] _10230=[]
   Exit: (256) [system] []=[]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (255) [user] classify_and_convert_charseq('C', [], _10226)
^  Call: (257) [system] setup_call_cleanup('$notrace'(_15336, _15338), once(user:catch(read_from_chars(['C'], _10226), _15312, fail)), '$restore_trace'(_15336, _15338))
^  Call: (258) [system] sig_atomic(system:'$notrace'(_15336, _15338))
^  Exit: (257) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _10226), _15312, fail)), system:'$restore_trace'(3, -1))
   Call: (256) [system] atomic(_10226)
   Call: (256) [system] atom_chars(_10226, ['C'])
   Exit: (256) [system] atom_chars('C', ['C'])
^  Exit: (255) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (254) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (253) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (253) [user] read_list(')', (0x56051b6b4f40), _23788)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _25646)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (255) [system] ' '=(;)
^  Call: (255) [user] is_like_space(' ')
   Call: (256) [system] char_type(' ', 'white')
   Exit: (256) [system] char_type(' ', 'white')
^  Exit: (255) [user] is_like_space(' ')
   Call: (255) [system] get_char((0x56051b6b4f40), _32456)
   Exit: (255) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _35160)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (256) [system] 'D'=(;)
^  Call: (256) [user] is_like_space('D')
   Call: (257) [system] char_type('D', 'white')
   Call: (257) [system] char_type('D', end_of_line)
   Call: (257) [system] char_type('D', space)
   Call: (257) [system] char_type('D', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _44552)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (254) [system] 'D'=')'
   Call: (254) [system] 'D'=end_of_file
^  Call: (254) [user] cont_sexpr(')', (0x56051b6b4f40), _48266)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _50124)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (256) [system] 'D'=(;)
^  Call: (256) [user] is_like_space('D')
   Call: (257) [system] char_type('D', 'white')
   Call: (257) [system] char_type('D', end_of_line)
   Call: (257) [system] char_type('D', space)
   Call: (257) [system] char_type('D', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] get_char((0x56051b6b4f40), _58592)
   Exit: (255) [system] get_char((0x56051b6b4f40), 'D')
   Call: (255) [system] 'D'='('
   Call: (255) [system] 'D'='['
   Call: (255) [system] 'D'='{'
   Call: (255) [system] 'D'='"'
   Call: (255) [system] 'D'=!
   Call: (255) [system] 'D'='\''
   Call: (255) [system] 'D'='`'
   Call: (255) [system] 'D'=end_of_file
^  Call: (255) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _48266)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _68810)
   Call: (257) [system] peek_char((0x56051b6b4f40), _69744)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (257) [user] is_delimiter(')')
   Call: (258) [system] char_type(')', space)
   Call: (258) [system] arg(_73536, v('(', ')', end_of_file), ')')
   Exit: (258) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (257) [user] is_delimiter(')')
   Call: (257) [system] _68810=[]
   Exit: (257) [system] []=[]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (256) [user] classify_and_convert_charseq('D', [], _48266)
^  Call: (258) [system] setup_call_cleanup('$notrace'(_79998, _80000), once(user:catch(read_from_chars(['D'], _48266), _79974, fail)), '$restore_trace'(_79998, _80000))
^  Call: (259) [system] sig_atomic(system:'$notrace'(_79998, _80000))
^  Exit: (258) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _48266), _79974, fail)), system:'$restore_trace'(3, -1))
   Call: (257) [system] atomic(_48266)
   Call: (257) [system] atom_chars(_48266, ['D'])
   Exit: (257) [system] atom_chars('D', ['D'])
^  Exit: (256) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (255) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (254) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (254) [user] read_list(')', (0x56051b6b4f40), _88450)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _90308)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ')')
   Call: (256) [system] ')'=(;)
^  Call: (256) [user] is_like_space(')')
   Call: (257) [system] char_type(')', 'white')
   Call: (257) [system] char_type(')', end_of_line)
   Call: (257) [system] char_type(')', space)
   Call: (257) [system] char_type(')', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _98776)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ')')
   Call: (255) [system] ')'=')'
   Exit: (255) [system] ')'=')'
   Call: (255) [system] get_char((0x56051b6b4f40), _102566)
   Exit: (255) [system] get_char((0x56051b6b4f40), ')')
   Call: (255) [system] _88450=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (254) [system] _23788=['D']
   Exit: (254) [system] ['D']=['D']
^  Exit: (253) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (253) [system] _10222=['C', 'D']
   Exit: (253) [system] ['C', 'D']=['C', 'D']
^  Exit: (252) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (252) [system] _10214=['OrLink', 'C', 'D']
   Exit: (252) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _116448)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _118306)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (252) [system] ' '=(;)
^  Call: (252) [user] is_like_space(' ')
   Call: (253) [system] char_type(' ', 'white')
   Exit: (253) [system] char_type(' ', 'white')
^  Exit: (252) [user] is_like_space(' ')
   Call: (252) [system] get_char((0x56051b6b4f40), _125116)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _127820)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (253) [system] 'E'=(;)
^  Call: (253) [user] is_like_space('E')
   Call: (254) [system] char_type('E', 'white')
   Call: (254) [system] char_type('E', end_of_line)
   Call: (254) [system] char_type('E', space)
   Call: (254) [system] char_type('E', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _137212)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (251) [system] 'E'=')'
   Call: (251) [system] 'E'=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _140926)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _142784)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (253) [system] 'E'=(;)
^  Call: (253) [user] is_like_space('E')
   Call: (254) [system] char_type('E', 'white')
   Call: (254) [system] char_type('E', end_of_line)
   Call: (254) [system] char_type('E', space)
   Call: (254) [system] char_type('E', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _151252)
   Exit: (252) [system] get_char((0x56051b6b4f40), 'E')
   Call: (252) [system] 'E'='('
   Call: (252) [system] 'E'='['
   Call: (252) [system] 'E'='{'
   Call: (252) [system] 'E'='"'
   Call: (252) [system] 'E'=!
   Call: (252) [system] 'E'='\''
   Call: (252) [system] 'E'='`'
   Call: (252) [system] 'E'=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _140926)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _161470)
   Call: (254) [system] peek_char((0x56051b6b4f40), _162404)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (254) [user] is_delimiter(')')
   Call: (255) [system] char_type(')', space)
   Call: (255) [system] arg(_166196, v('(', ')', end_of_file), ')')
   Exit: (255) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (254) [user] is_delimiter(')')
   Call: (254) [system] _161470=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (253) [user] classify_and_convert_charseq('E', [], _140926)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_172658, _172660), once(user:catch(read_from_chars(['E'], _140926), _172634, fail)), '$restore_trace'(_172658, _172660))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_172658, _172660))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _140926), _172634, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(_140926)
   Call: (254) [system] atom_chars(_140926, ['E'])
   Exit: (254) [system] atom_chars('E', ['E'])
^  Exit: (253) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _181110)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _182968)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
   Call: (253) [system] ')'=(;)
^  Call: (253) [user] is_like_space(')')
   Call: (254) [system] char_type(')', 'white')
   Call: (254) [system] char_type(')', end_of_line)
   Call: (254) [system] char_type(')', space)
   Call: (254) [system] char_type(')', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _191436)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
   Call: (252) [system] ')'=')'
   Exit: (252) [system] ')'=')'
   Call: (252) [system] get_char((0x56051b6b4f40), _195226)
   Exit: (252) [system] get_char((0x56051b6b4f40), ')')
   Call: (252) [system] _181110=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (251) [system] _116448=['E']
   Exit: (251) [system] ['E']=['E']
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (250) [system] _10210=[['OrLink', 'C', 'D'], 'E']
   Exit: (250) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (249) [system] _10202=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (249) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _209108)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _210966)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
   Call: (249) [system] ')'=(;)
^  Call: (249) [user] is_like_space(')')
   Call: (250) [system] char_type(')', 'white')
   Call: (250) [system] char_type(')', end_of_line)
   Call: (250) [system] char_type(')', space)
   Call: (250) [system] char_type(')', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _219434)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
   Call: (248) [system] ')'=')'
   Exit: (248) [system] ')'=')'
   Call: (248) [system] get_char((0x56051b6b4f40), _223224)
   Exit: (248) [system] get_char((0x56051b6b4f40), ')')
   Call: (248) [system] _209108=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (247) [system] _10198=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (247) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (246) [system] _10156=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (246) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (245) [system] _10148=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (245) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _237106)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _238964)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=(;)
^  Call: (245) [user] is_like_space(')')
   Call: (246) [system] char_type(')', 'white')
   Call: (246) [system] char_type(')', end_of_line)
   Call: (246) [system] char_type(')', space)
   Call: (246) [system] char_type(')', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _247432)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=')'
   Exit: (244) [system] ')'=')'
   Call: (244) [system] get_char((0x56051b6b4f40), _251222)
   Exit: (244) [system] get_char((0x56051b6b4f40), ')')
   Call: (244) [system] _237106=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (243) [system] _10144=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (243) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (242) [system] _10138=['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (242) [system] ['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), ['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (241) [system] _10130=['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (241) [system] ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _265104)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _266962)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=(;)
^  Call: (241) [user] is_like_space(')')
   Call: (242) [system] char_type(')', 'white')
   Call: (242) [system] char_type(')', end_of_line)
   Call: (242) [system] char_type(')', space)
   Call: (242) [system] char_type(')', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _275430)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ')')
   Call: (240) [system] ')'=')'
   Exit: (240) [system] ')'=')'
   Call: (240) [system] get_char((0x56051b6b4f40), _279220)
   Exit: (240) [system] get_char((0x56051b6b4f40), ')')
   Call: (240) [system] _265104=[]
   Exit: (240) [system] []=[]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (239) [system] _10126=[['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (239) [system] [['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (238) [system] _10084=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (238) [system] [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (237) [system] _10076=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (237) [system] [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (236) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (235) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, cde]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (235) [user] read_list(')', (0x56051b6b4f40), _293102)
^  Call: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _294960)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (237) [system] '\n'=(;)
^  Call: (237) [user] is_like_space('\n')
   Call: (238) [system] char_type('\n', 'white')
   Call: (238) [system] char_type('\n', end_of_line)
   Exit: (238) [system] char_type('\n', end_of_line)
^  Exit: (237) [user] is_like_space('\n')
   Call: (237) [system] get_char((0x56051b6b4f40), _302576)
   Exit: (237) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _305280)
   Exit: (238) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (238) [system] ' '=(;)
^  Call: (238) [user] is_like_space(' ')
   Call: (239) [system] char_type(' ', 'white')
   Exit: (239) [system] char_type(' ', 'white')
^  Exit: (238) [user] is_like_space(' ')
   Call: (238) [system] get_char((0x56051b6b4f40), _312090)
   Exit: (238) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _314794)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (236) [user] skip_spaces((0x56051b6b4f40))
   Call: (236) [system] peek_char((0x56051b6b4f40), _325110)
   Exit: (236) [system] peek_char((0x56051b6b4f40), '(')
   Call: (236) [system] '('=')'
   Call: (236) [system] '('=end_of_file
^  Call: (236) [user] cont_sexpr(')', (0x56051b6b4f40), _328824)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _330682)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=(;)
^  Call: (238) [user] is_like_space('(')
   Call: (239) [system] char_type('(', 'white')
   Call: (239) [system] char_type('(', end_of_line)
   Call: (239) [system] char_type('(', space)
   Call: (239) [system] char_type('(', cntrl)
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] get_char((0x56051b6b4f40), _339150)
   Exit: (237) [system] get_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('='('
   Exit: (237) [system] '('='('
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _328824)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _344720)
   Exit: (239) [system] peek_char((0x56051b6b4f40), :)
   Call: (239) [system] (:)=(;)
^  Call: (239) [user] is_like_space(:)
   Call: (240) [system] char_type(:, 'white')
   Call: (240) [system] char_type(:, end_of_line)
   Call: (240) [system] char_type(:, space)
   Call: (240) [system] char_type(:, cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _353188)
   Exit: (238) [system] peek_char((0x56051b6b4f40), :)
   Call: (238) [system] (:)=')'
   Call: (238) [system] (:)=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _356902)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _358760)
   Exit: (240) [system] peek_char((0x56051b6b4f40), :)
   Call: (240) [system] (:)=(;)
^  Call: (240) [user] is_like_space(:)
   Call: (241) [system] char_type(:, 'white')
   Call: (241) [system] char_type(:, end_of_line)
   Call: (241) [system] char_type(:, space)
   Call: (241) [system] char_type(:, cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _367228)
   Exit: (239) [system] get_char((0x56051b6b4f40), :)
   Call: (239) [system] (:)='('
   Call: (239) [system] (:)='['
   Call: (239) [system] (:)='{'
   Call: (239) [system] (:)='"'
   Call: (239) [system] (:)=!
   Call: (239) [system] (:)='\''
   Call: (239) [system] (:)='`'
   Call: (239) [system] (:)=end_of_file
^  Call: (239) [user] read_symbolic(')', (0x56051b6b4f40), :, _356902)
^  Call: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), _377446)
   Call: (241) [system] peek_char((0x56051b6b4f40), _378380)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] is_delimiter(' ')
   Call: (242) [system] char_type(' ', space)
   Exit: (242) [system] char_type(' ', space)
^  Exit: (241) [user] is_delimiter(' ')
   Call: (241) [system] _377446=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (240) [user] classify_and_convert_charseq(:, [], _356902)
^  Call: (242) [system] setup_call_cleanup('$notrace'(_387690, _387692), once(user:catch(read_from_chars([:], _356902), _387666, fail)), '$restore_trace'(_387690, _387692))
^  Call: (243) [system] sig_atomic(system:'$notrace'(_387690, _387692))
^  Exit: (242) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _387666, fail)), system:'$restore_trace'(3, -1))
   Call: (241) [system] atomic(:)
   Exit: (241) [system] atomic(:)
^  Exit: (240) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (239) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _395190)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _397048)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _403858)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _406562)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=(;)
^  Call: (241) [user] is_like_space('(')
   Call: (242) [system] char_type('(', 'white')
   Call: (242) [system] char_type('(', end_of_line)
   Call: (242) [system] char_type('(', space)
   Call: (242) [system] char_type('(', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _415954)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=')'
   Call: (239) [system] '('=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _419668)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _421526)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=(;)
^  Call: (241) [user] is_like_space('(')
   Call: (242) [system] char_type('(', 'white')
   Call: (242) [system] char_type('(', end_of_line)
   Call: (242) [system] char_type('(', space)
   Call: (242) [system] char_type('(', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _429994)
   Exit: (240) [system] get_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('='('
   Exit: (240) [system] '('='('
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _419668)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _435564)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (242) [system] 'D'=(;)
^  Call: (242) [user] is_like_space('D')
   Call: (243) [system] char_type('D', 'white')
   Call: (243) [system] char_type('D', end_of_line)
   Call: (243) [system] char_type('D', space)
   Call: (243) [system] char_type('D', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _444032)
   Exit: (241) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (241) [system] 'D'=')'
   Call: (241) [system] 'D'=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _447746)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _449604)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'=(;)
^  Call: (243) [user] is_like_space('D')
   Call: (244) [system] char_type('D', 'white')
   Call: (244) [system] char_type('D', end_of_line)
   Call: (244) [system] char_type('D', space)
   Call: (244) [system] char_type('D', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _458072)
   Exit: (242) [system] get_char((0x56051b6b4f40), 'D')
   Call: (242) [system] 'D'='('
   Call: (242) [system] 'D'='['
   Call: (242) [system] 'D'='{'
   Call: (242) [system] 'D'='"'
   Call: (242) [system] 'D'=!
   Call: (242) [system] 'D'='\''
   Call: (242) [system] 'D'='`'
   Call: (242) [system] 'D'=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _447746)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _468290)
   Call: (244) [system] peek_char((0x56051b6b4f40), _469224)
   Exit: (244) [system] peek_char((0x56051b6b4f40), i)
^  Call: (244) [user] is_delimiter(i)
   Call: (245) [system] char_type(i, space)
   Call: (245) [system] arg(_473016, v('(', ')', end_of_file), i)
   Call: (244) [system] ')'==i
   Call: (244) [system] get_char((0x56051b6b4f40), i)
   Exit: (244) [system] get_char((0x56051b6b4f40), i)
   Call: (244) [system] i=(\)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _477586)
   Call: (245) [system] peek_char((0x56051b6b4f40), _478520)
   Exit: (245) [system] peek_char((0x56051b6b4f40), s)
^  Call: (245) [user] is_delimiter(s)
   Call: (246) [system] char_type(s, space)
   Call: (246) [system] arg(_482312, v('(', ')', end_of_file), s)
   Call: (245) [system] ')'==s
   Call: (245) [system] get_char((0x56051b6b4f40), s)
   Exit: (245) [system] get_char((0x56051b6b4f40), s)
   Call: (245) [system] s=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _486882)
   Call: (246) [system] peek_char((0x56051b6b4f40), _487816)
   Exit: (246) [system] peek_char((0x56051b6b4f40), j)
^  Call: (246) [user] is_delimiter(j)
   Call: (247) [system] char_type(j, space)
   Call: (247) [system] arg(_491608, v('(', ')', end_of_file), j)
   Call: (246) [system] ')'==j
   Call: (246) [system] get_char((0x56051b6b4f40), j)
   Exit: (246) [system] get_char((0x56051b6b4f40), j)
   Call: (246) [system] j=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _496178)
   Call: (247) [system] peek_char((0x56051b6b4f40), _497112)
   Exit: (247) [system] peek_char((0x56051b6b4f40), u)
^  Call: (247) [user] is_delimiter(u)
   Call: (248) [system] char_type(u, space)
   Call: (248) [system] arg(_500904, v('(', ')', end_of_file), u)
   Call: (247) [system] ')'==u
   Call: (247) [system] get_char((0x56051b6b4f40), u)
   Exit: (247) [system] get_char((0x56051b6b4f40), u)
   Call: (247) [system] u=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _505474)
   Call: (248) [system] peek_char((0x56051b6b4f40), _506408)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_510200, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _514770)
   Call: (249) [system] peek_char((0x56051b6b4f40), _515704)
   Exit: (249) [system] peek_char((0x56051b6b4f40), c)
^  Call: (249) [user] is_delimiter(c)
   Call: (250) [system] char_type(c, space)
   Call: (250) [system] arg(_519496, v('(', ')', end_of_file), c)
   Call: (249) [system] ')'==c
   Call: (249) [system] get_char((0x56051b6b4f40), c)
   Exit: (249) [system] get_char((0x56051b6b4f40), c)
   Call: (249) [system] c=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _524066)
   Call: (250) [system] peek_char((0x56051b6b4f40), _525000)
   Exit: (250) [system] peek_char((0x56051b6b4f40), t)
^  Call: (250) [user] is_delimiter(t)
   Call: (251) [system] char_type(t, space)
   Call: (251) [system] arg(_528792, v('(', ')', end_of_file), t)
   Call: (250) [system] ')'==t
   Call: (250) [system] get_char((0x56051b6b4f40), t)
   Exit: (250) [system] get_char((0x56051b6b4f40), t)
   Call: (250) [system] t=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _533362)
   Call: (251) [system] peek_char((0x56051b6b4f40), _534296)
   Exit: (251) [system] peek_char((0x56051b6b4f40), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_538088, v('(', ')', end_of_file), i)
   Call: (251) [system] ')'==i
   Call: (251) [system] get_char((0x56051b6b4f40), i)
   Exit: (251) [system] get_char((0x56051b6b4f40), i)
   Call: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _542658)
   Call: (252) [system] peek_char((0x56051b6b4f40), _543592)
   Exit: (252) [system] peek_char((0x56051b6b4f40), o)
^  Call: (252) [user] is_delimiter(o)
   Call: (253) [system] char_type(o, space)
   Call: (253) [system] arg(_547384, v('(', ')', end_of_file), o)
   Call: (252) [system] ')'==o
   Call: (252) [system] get_char((0x56051b6b4f40), o)
   Exit: (252) [system] get_char((0x56051b6b4f40), o)
   Call: (252) [system] o=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _551954)
   Call: (253) [system] peek_char((0x56051b6b4f40), _552888)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_556680, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _561250)
   Call: (254) [system] peek_char((0x56051b6b4f40), _562184)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (254) [user] is_delimiter('I')
   Call: (255) [system] char_type('I', space)
   Call: (255) [system] arg(_565976, v('(', ')', end_of_file), 'I')
   Call: (254) [system] ')'=='I'
   Call: (254) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (254) [system] get_char((0x56051b6b4f40), 'I')
   Call: (254) [system] 'I'=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _570546)
   Call: (255) [system] peek_char((0x56051b6b4f40), _571480)
   Exit: (255) [system] peek_char((0x56051b6b4f40), n)
^  Call: (255) [user] is_delimiter(n)
   Call: (256) [system] char_type(n, space)
   Call: (256) [system] arg(_575272, v('(', ')', end_of_file), n)
   Call: (255) [system] ')'==n
   Call: (255) [system] get_char((0x56051b6b4f40), n)
   Exit: (255) [system] get_char((0x56051b6b4f40), n)
   Call: (255) [system] n=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _579842)
   Call: (256) [system] peek_char((0x56051b6b4f40), _580776)
   Exit: (256) [system] peek_char((0x56051b6b4f40), t)
^  Call: (256) [user] is_delimiter(t)
   Call: (257) [system] char_type(t, space)
   Call: (257) [system] arg(_584568, v('(', ')', end_of_file), t)
   Call: (256) [system] ')'==t
   Call: (256) [system] get_char((0x56051b6b4f40), t)
   Exit: (256) [system] get_char((0x56051b6b4f40), t)
   Call: (256) [system] t=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _589138)
   Call: (257) [system] peek_char((0x56051b6b4f40), _590072)
   Exit: (257) [system] peek_char((0x56051b6b4f40), r)
^  Call: (257) [user] is_delimiter(r)
   Call: (258) [system] char_type(r, space)
   Call: (258) [system] arg(_593864, v('(', ')', end_of_file), r)
   Call: (257) [system] ')'==r
   Call: (257) [system] get_char((0x56051b6b4f40), r)
   Exit: (257) [system] get_char((0x56051b6b4f40), r)
   Call: (257) [system] r=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _598434)
   Call: (258) [system] peek_char((0x56051b6b4f40), _599368)
   Exit: (258) [system] peek_char((0x56051b6b4f40), o)
^  Call: (258) [user] is_delimiter(o)
   Call: (259) [system] char_type(o, space)
   Call: (259) [system] arg(_603160, v('(', ')', end_of_file), o)
   Call: (258) [system] ')'==o
   Call: (258) [system] get_char((0x56051b6b4f40), o)
   Exit: (258) [system] get_char((0x56051b6b4f40), o)
   Call: (258) [system] o=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _607730)
   Call: (259) [system] peek_char((0x56051b6b4f40), _608664)
   Exit: (259) [system] peek_char((0x56051b6b4f40), d)
^  Call: (259) [user] is_delimiter(d)
   Call: (260) [system] char_type(d, space)
   Call: (260) [system] arg(_612456, v('(', ')', end_of_file), d)
   Call: (259) [system] ')'==d
   Call: (259) [system] get_char((0x56051b6b4f40), d)
   Exit: (259) [system] get_char((0x56051b6b4f40), d)
   Call: (259) [system] d=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _617026)
   Call: (260) [system] peek_char((0x56051b6b4f40), _617960)
   Exit: (260) [system] peek_char((0x56051b6b4f40), u)
^  Call: (260) [user] is_delimiter(u)
   Call: (261) [system] char_type(u, space)
   Call: (261) [system] arg(_621752, v('(', ')', end_of_file), u)
   Call: (260) [system] ')'==u
   Call: (260) [system] get_char((0x56051b6b4f40), u)
   Exit: (260) [system] get_char((0x56051b6b4f40), u)
   Call: (260) [system] u=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _626322)
   Call: (261) [system] peek_char((0x56051b6b4f40), _627256)
   Exit: (261) [system] peek_char((0x56051b6b4f40), c)
^  Call: (261) [user] is_delimiter(c)
   Call: (262) [system] char_type(c, space)
   Call: (262) [system] arg(_631048, v('(', ')', end_of_file), c)
   Call: (261) [system] ')'==c
   Call: (261) [system] get_char((0x56051b6b4f40), c)
   Exit: (261) [system] get_char((0x56051b6b4f40), c)
   Call: (261) [system] c=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _635618)
   Call: (262) [system] peek_char((0x56051b6b4f40), _636552)
   Exit: (262) [system] peek_char((0x56051b6b4f40), t)
^  Call: (262) [user] is_delimiter(t)
   Call: (263) [system] char_type(t, space)
   Call: (263) [system] arg(_640344, v('(', ')', end_of_file), t)
   Call: (262) [system] ')'==t
   Call: (262) [system] get_char((0x56051b6b4f40), t)
   Exit: (262) [system] get_char((0x56051b6b4f40), t)
   Call: (262) [system] t=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _644914)
   Call: (263) [system] peek_char((0x56051b6b4f40), _645848)
   Exit: (263) [system] peek_char((0x56051b6b4f40), i)
^  Call: (263) [user] is_delimiter(i)
   Call: (264) [system] char_type(i, space)
   Call: (264) [system] arg(_649640, v('(', ')', end_of_file), i)
   Call: (263) [system] ')'==i
   Call: (263) [system] get_char((0x56051b6b4f40), i)
   Exit: (263) [system] get_char((0x56051b6b4f40), i)
   Call: (263) [system] i=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _654210)
   Call: (264) [system] peek_char((0x56051b6b4f40), _655144)
   Exit: (264) [system] peek_char((0x56051b6b4f40), o)
^  Call: (264) [user] is_delimiter(o)
   Call: (265) [system] char_type(o, space)
   Call: (265) [system] arg(_658936, v('(', ')', end_of_file), o)
   Call: (264) [system] ')'==o
   Call: (264) [system] get_char((0x56051b6b4f40), o)
   Exit: (264) [system] get_char((0x56051b6b4f40), o)
   Call: (264) [system] o=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _663506)
   Call: (265) [system] peek_char((0x56051b6b4f40), _664440)
   Exit: (265) [system] peek_char((0x56051b6b4f40), n)
^  Call: (265) [user] is_delimiter(n)
   Call: (266) [system] char_type(n, space)
   Call: (266) [system] arg(_668232, v('(', ')', end_of_file), n)
   Call: (265) [system] ')'==n
   Call: (265) [system] get_char((0x56051b6b4f40), n)
   Exit: (265) [system] get_char((0x56051b6b4f40), n)
   Call: (265) [system] n=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _672802)
   Call: (266) [system] peek_char((0x56051b6b4f40), _673736)
   Exit: (266) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (266) [user] is_delimiter(' ')
   Call: (267) [system] char_type(' ', space)
   Exit: (267) [system] char_type(' ', space)
^  Exit: (266) [user] is_delimiter(' ')
   Call: (266) [system] _672802=[]
   Exit: (266) [system] []=[]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (265) [system] _663506=[n]
   Exit: (265) [system] [n]=[n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (264) [system] _654210=[o, n]
   Exit: (264) [system] [o, n]=[o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (263) [system] _644914=[i, o, n]
   Exit: (263) [system] [i, o, n]=[i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (262) [system] _635618=[t, i, o, n]
   Exit: (262) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (261) [system] _626322=[c, t, i, o, n]
   Exit: (261) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (260) [system] _617026=[u, c, t, i, o, n]
   Exit: (260) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (259) [system] _607730=[d, u, c, t, i, o, n]
   Exit: (259) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (258) [system] _598434=[o, d, u, c, t, i, o, n]
   Exit: (258) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (257) [system] _589138=[r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _579842=[t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _570546=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _561250=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _551954=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _542658=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _533362=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _524066=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _514770=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _505474=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _496178=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _486882=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _477586=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (244) [system] _468290=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (244) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (243) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _447746)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_744514, _744516), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _447746), _744490, fail)), '$restore_trace'(_744514, _744516))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_744514, _744516))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _447746), _744490, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(_447746)
   Call: (244) [system] atom_chars(_447746, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (244) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (243) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _752966)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _754824)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _761634)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _764338)
   Exit: (244) [system] peek_char((0x56051b6b4f40), a)
   Call: (244) [system] a=(;)
^  Call: (244) [user] is_like_space(a)
   Call: (245) [system] char_type(a, 'white')
   Call: (245) [system] char_type(a, end_of_line)
   Call: (245) [system] char_type(a, space)
   Call: (245) [system] char_type(a, cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _773730)
   Exit: (242) [system] peek_char((0x56051b6b4f40), a)
   Call: (242) [system] a=')'
   Call: (242) [system] a=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _777444)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _779302)
   Exit: (244) [system] peek_char((0x56051b6b4f40), a)
   Call: (244) [system] a=(;)
^  Call: (244) [user] is_like_space(a)
   Call: (245) [system] char_type(a, 'white')
   Call: (245) [system] char_type(a, end_of_line)
   Call: (245) [system] char_type(a, space)
   Call: (245) [system] char_type(a, cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _787770)
   Exit: (243) [system] get_char((0x56051b6b4f40), a)
   Call: (243) [system] a='('
   Call: (243) [system] a='['
   Call: (243) [system] a='{'
   Call: (243) [system] a='"'
   Call: (243) [system] a=!
   Call: (243) [system] a='\''
   Call: (243) [system] a='`'
   Call: (243) [system] a=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), a, _777444)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _797988)
   Call: (245) [system] peek_char((0x56051b6b4f40), _798922)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _797988=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (244) [user] classify_and_convert_charseq(a, [], _777444)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_808232, _808234), once(user:catch(read_from_chars([a], _777444), _808208, fail)), '$restore_trace'(_808232, _808234))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_808232, _808234))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _808208, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(a)
   Exit: (245) [system] atomic(a)
^  Exit: (244) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _815732)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _817590)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _824400)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _827104)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=(;)
^  Call: (245) [user] is_like_space('(')
   Call: (246) [system] char_type('(', 'white')
   Call: (246) [system] char_type('(', end_of_line)
   Call: (246) [system] char_type('(', space)
   Call: (246) [system] char_type('(', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _836496)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=')'
   Call: (243) [system] '('=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _840210)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _842068)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=(;)
^  Call: (245) [user] is_like_space('(')
   Call: (246) [system] char_type('(', 'white')
   Call: (246) [system] char_type('(', end_of_line)
   Call: (246) [system] char_type('(', space)
   Call: (246) [system] char_type('(', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _850536)
   Exit: (244) [system] get_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('='('
   Exit: (244) [system] '('='('
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _840210)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _856106)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (246) [system] 'D'=(;)
^  Call: (246) [user] is_like_space('D')
   Call: (247) [system] char_type('D', 'white')
   Call: (247) [system] char_type('D', end_of_line)
   Call: (247) [system] char_type('D', space)
   Call: (247) [system] char_type('D', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _864574)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (245) [system] 'D'=')'
   Call: (245) [system] 'D'=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _868288)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _870146)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (247) [system] 'D'=(;)
^  Call: (247) [user] is_like_space('D')
   Call: (248) [system] char_type('D', 'white')
   Call: (248) [system] char_type('D', end_of_line)
   Call: (248) [system] char_type('D', space)
   Call: (248) [system] char_type('D', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _878614)
   Exit: (246) [system] get_char((0x56051b6b4f40), 'D')
   Call: (246) [system] 'D'='('
   Call: (246) [system] 'D'='['
   Call: (246) [system] 'D'='{'
   Call: (246) [system] 'D'='"'
   Call: (246) [system] 'D'=!
   Call: (246) [system] 'D'='\''
   Call: (246) [system] 'D'='`'
   Call: (246) [system] 'D'=end_of_file
^  Call: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _868288)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _888832)
   Call: (248) [system] peek_char((0x56051b6b4f40), _889766)
   Exit: (248) [system] peek_char((0x56051b6b4f40), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_893558, v('(', ')', end_of_file), i)
   Call: (248) [system] ')'==i
   Call: (248) [system] get_char((0x56051b6b4f40), i)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _898128)
   Call: (249) [system] peek_char((0x56051b6b4f40), _899062)
   Exit: (249) [system] peek_char((0x56051b6b4f40), s)
^  Call: (249) [user] is_delimiter(s)
   Call: (250) [system] char_type(s, space)
   Call: (250) [system] arg(_902854, v('(', ')', end_of_file), s)
   Call: (249) [system] ')'==s
   Call: (249) [system] get_char((0x56051b6b4f40), s)
   Exit: (249) [system] get_char((0x56051b6b4f40), s)
   Call: (249) [system] s=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _907424)
   Call: (250) [system] peek_char((0x56051b6b4f40), _908358)
   Exit: (250) [system] peek_char((0x56051b6b4f40), j)
^  Call: (250) [user] is_delimiter(j)
   Call: (251) [system] char_type(j, space)
   Call: (251) [system] arg(_912150, v('(', ')', end_of_file), j)
   Call: (250) [system] ')'==j
   Call: (250) [system] get_char((0x56051b6b4f40), j)
   Exit: (250) [system] get_char((0x56051b6b4f40), j)
   Call: (250) [system] j=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _916720)
   Call: (251) [system] peek_char((0x56051b6b4f40), _917654)
   Exit: (251) [system] peek_char((0x56051b6b4f40), u)
^  Call: (251) [user] is_delimiter(u)
   Call: (252) [system] char_type(u, space)
   Call: (252) [system] arg(_921446, v('(', ')', end_of_file), u)
   Call: (251) [system] ')'==u
   Call: (251) [system] get_char((0x56051b6b4f40), u)
   Exit: (251) [system] get_char((0x56051b6b4f40), u)
   Call: (251) [system] u=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _926016)
   Call: (252) [system] peek_char((0x56051b6b4f40), _926950)
   Exit: (252) [system] peek_char((0x56051b6b4f40), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_930742, v('(', ')', end_of_file), n)
   Call: (252) [system] ')'==n
   Call: (252) [system] get_char((0x56051b6b4f40), n)
   Exit: (252) [system] get_char((0x56051b6b4f40), n)
   Call: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _935312)
   Call: (253) [system] peek_char((0x56051b6b4f40), _936246)
   Exit: (253) [system] peek_char((0x56051b6b4f40), c)
^  Call: (253) [user] is_delimiter(c)
   Call: (254) [system] char_type(c, space)
   Call: (254) [system] arg(_940038, v('(', ')', end_of_file), c)
   Call: (253) [system] ')'==c
   Call: (253) [system] get_char((0x56051b6b4f40), c)
   Exit: (253) [system] get_char((0x56051b6b4f40), c)
   Call: (253) [system] c=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _944608)
   Call: (254) [system] peek_char((0x56051b6b4f40), _945542)
   Exit: (254) [system] peek_char((0x56051b6b4f40), t)
^  Call: (254) [user] is_delimiter(t)
   Call: (255) [system] char_type(t, space)
   Call: (255) [system] arg(_949334, v('(', ')', end_of_file), t)
   Call: (254) [system] ')'==t
   Call: (254) [system] get_char((0x56051b6b4f40), t)
   Exit: (254) [system] get_char((0x56051b6b4f40), t)
   Call: (254) [system] t=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _953904)
   Call: (255) [system] peek_char((0x56051b6b4f40), _954838)
   Exit: (255) [system] peek_char((0x56051b6b4f40), i)
^  Call: (255) [user] is_delimiter(i)
   Call: (256) [system] char_type(i, space)
   Call: (256) [system] arg(_958630, v('(', ')', end_of_file), i)
   Call: (255) [system] ')'==i
   Call: (255) [system] get_char((0x56051b6b4f40), i)
   Exit: (255) [system] get_char((0x56051b6b4f40), i)
   Call: (255) [system] i=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _963200)
   Call: (256) [system] peek_char((0x56051b6b4f40), _964134)
   Exit: (256) [system] peek_char((0x56051b6b4f40), o)
^  Call: (256) [user] is_delimiter(o)
   Call: (257) [system] char_type(o, space)
   Call: (257) [system] arg(_967926, v('(', ')', end_of_file), o)
   Call: (256) [system] ')'==o
   Call: (256) [system] get_char((0x56051b6b4f40), o)
   Exit: (256) [system] get_char((0x56051b6b4f40), o)
   Call: (256) [system] o=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _972496)
   Call: (257) [system] peek_char((0x56051b6b4f40), _973430)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_977222, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _981792)
   Call: (258) [system] peek_char((0x56051b6b4f40), _982726)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (258) [user] is_delimiter('I')
   Call: (259) [system] char_type('I', space)
   Call: (259) [system] arg(_986518, v('(', ')', end_of_file), 'I')
   Call: (258) [system] ')'=='I'
   Call: (258) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (258) [system] get_char((0x56051b6b4f40), 'I')
   Call: (258) [system] 'I'=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _991088)
   Call: (259) [system] peek_char((0x56051b6b4f40), _992022)
   Exit: (259) [system] peek_char((0x56051b6b4f40), n)
^  Call: (259) [user] is_delimiter(n)
   Call: (260) [system] char_type(n, space)
   Call: (260) [system] arg(_995814, v('(', ')', end_of_file), n)
   Call: (259) [system] ')'==n
   Call: (259) [system] get_char((0x56051b6b4f40), n)
   Exit: (259) [system] get_char((0x56051b6b4f40), n)
   Call: (259) [system] n=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1000384)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1001318)
   Exit: (260) [system] peek_char((0x56051b6b4f40), t)
^  Call: (260) [user] is_delimiter(t)
   Call: (261) [system] char_type(t, space)
   Call: (261) [system] arg(_1005110, v('(', ')', end_of_file), t)
   Call: (260) [system] ')'==t
   Call: (260) [system] get_char((0x56051b6b4f40), t)
   Exit: (260) [system] get_char((0x56051b6b4f40), t)
   Call: (260) [system] t=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1009680)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1010614)
   Exit: (261) [system] peek_char((0x56051b6b4f40), r)
^  Call: (261) [user] is_delimiter(r)
   Call: (262) [system] char_type(r, space)
   Call: (262) [system] arg(_1014406, v('(', ')', end_of_file), r)
   Call: (261) [system] ')'==r
   Call: (261) [system] get_char((0x56051b6b4f40), r)
   Exit: (261) [system] get_char((0x56051b6b4f40), r)
   Call: (261) [system] r=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1018976)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1019910)
   Exit: (262) [system] peek_char((0x56051b6b4f40), o)
^  Call: (262) [user] is_delimiter(o)
   Call: (263) [system] char_type(o, space)
   Call: (263) [system] arg(_1023702, v('(', ')', end_of_file), o)
   Call: (262) [system] ')'==o
   Call: (262) [system] get_char((0x56051b6b4f40), o)
   Exit: (262) [system] get_char((0x56051b6b4f40), o)
   Call: (262) [system] o=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1028272)
   Call: (263) [system] peek_char((0x56051b6b4f40), _1029206)
   Exit: (263) [system] peek_char((0x56051b6b4f40), d)
^  Call: (263) [user] is_delimiter(d)
   Call: (264) [system] char_type(d, space)
   Call: (264) [system] arg(_1032998, v('(', ')', end_of_file), d)
   Call: (263) [system] ')'==d
   Call: (263) [system] get_char((0x56051b6b4f40), d)
   Exit: (263) [system] get_char((0x56051b6b4f40), d)
   Call: (263) [system] d=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1037568)
   Call: (264) [system] peek_char((0x56051b6b4f40), _1038502)
   Exit: (264) [system] peek_char((0x56051b6b4f40), u)
^  Call: (264) [user] is_delimiter(u)
   Call: (265) [system] char_type(u, space)
   Call: (265) [system] arg(_1042294, v('(', ')', end_of_file), u)
   Call: (264) [system] ')'==u
   Call: (264) [system] get_char((0x56051b6b4f40), u)
   Exit: (264) [system] get_char((0x56051b6b4f40), u)
   Call: (264) [system] u=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1046864)
   Call: (265) [system] peek_char((0x56051b6b4f40), _1047798)
   Exit: (265) [system] peek_char((0x56051b6b4f40), c)
^  Call: (265) [user] is_delimiter(c)
   Call: (266) [system] char_type(c, space)
   Call: (266) [system] arg(_1051590, v('(', ')', end_of_file), c)
   Call: (265) [system] ')'==c
   Call: (265) [system] get_char((0x56051b6b4f40), c)
   Exit: (265) [system] get_char((0x56051b6b4f40), c)
   Call: (265) [system] c=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1056160)
   Call: (266) [system] peek_char((0x56051b6b4f40), _1057094)
   Exit: (266) [system] peek_char((0x56051b6b4f40), t)
^  Call: (266) [user] is_delimiter(t)
   Call: (267) [system] char_type(t, space)
   Call: (267) [system] arg(_1060886, v('(', ')', end_of_file), t)
   Call: (266) [system] ')'==t
   Call: (266) [system] get_char((0x56051b6b4f40), t)
   Exit: (266) [system] get_char((0x56051b6b4f40), t)
   Call: (266) [system] t=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1065456)
   Call: (267) [system] peek_char((0x56051b6b4f40), _1066390)
   Exit: (267) [system] peek_char((0x56051b6b4f40), i)
^  Call: (267) [user] is_delimiter(i)
   Call: (268) [system] char_type(i, space)
   Call: (268) [system] arg(_1070182, v('(', ')', end_of_file), i)
   Call: (267) [system] ')'==i
   Call: (267) [system] get_char((0x56051b6b4f40), i)
   Exit: (267) [system] get_char((0x56051b6b4f40), i)
   Call: (267) [system] i=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1074752)
   Call: (268) [system] peek_char((0x56051b6b4f40), _1075686)
   Exit: (268) [system] peek_char((0x56051b6b4f40), o)
^  Call: (268) [user] is_delimiter(o)
   Call: (269) [system] char_type(o, space)
   Call: (269) [system] arg(_1079478, v('(', ')', end_of_file), o)
   Call: (268) [system] ')'==o
   Call: (268) [system] get_char((0x56051b6b4f40), o)
   Exit: (268) [system] get_char((0x56051b6b4f40), o)
   Call: (268) [system] o=(\)
^  Call: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1084048)
   Call: (269) [system] peek_char((0x56051b6b4f40), _1084982)
   Exit: (269) [system] peek_char((0x56051b6b4f40), n)
^  Call: (269) [user] is_delimiter(n)
   Call: (270) [system] char_type(n, space)
   Call: (270) [system] arg(_1088774, v('(', ')', end_of_file), n)
   Call: (269) [system] ')'==n
   Call: (269) [system] get_char((0x56051b6b4f40), n)
   Exit: (269) [system] get_char((0x56051b6b4f40), n)
   Call: (269) [system] n=(\)
^  Call: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1093344)
   Call: (270) [system] peek_char((0x56051b6b4f40), _1094278)
   Exit: (270) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (270) [user] is_delimiter(' ')
   Call: (271) [system] char_type(' ', space)
   Exit: (271) [system] char_type(' ', space)
^  Exit: (270) [user] is_delimiter(' ')
   Call: (270) [system] _1093344=[]
   Exit: (270) [system] []=[]
^  Exit: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (269) [system] _1084048=[n]
   Exit: (269) [system] [n]=[n]
^  Exit: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (268) [system] _1074752=[o, n]
   Exit: (268) [system] [o, n]=[o, n]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (267) [system] _1065456=[i, o, n]
   Exit: (267) [system] [i, o, n]=[i, o, n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (266) [system] _1056160=[t, i, o, n]
   Exit: (266) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (265) [system] _1046864=[c, t, i, o, n]
   Exit: (265) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (264) [system] _1037568=[u, c, t, i, o, n]
   Exit: (264) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (263) [system] _1028272=[d, u, c, t, i, o, n]
   Exit: (263) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (262) [system] _1018976=[o, d, u, c, t, i, o, n]
   Exit: (262) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (261) [system] _1009680=[r, o, d, u, c, t, i, o, n]
   Exit: (261) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (260) [system] _1000384=[t, r, o, d, u, c, t, i, o, n]
   Exit: (260) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (259) [system] _991088=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _981792=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _972496=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _963200=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _953904=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _944608=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _935312=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _926016=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _916720=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _907424=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _898128=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _888832=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (247) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _868288)
^  Call: (249) [system] setup_call_cleanup('$notrace'(_1165056, _1165058), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _868288), _1165032, fail)), '$restore_trace'(_1165056, _1165058))
^  Call: (250) [system] sig_atomic(system:'$notrace'(_1165056, _1165058))
^  Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _868288), _1165032, fail)), system:'$restore_trace'(3, -1))
   Call: (248) [system] atomic(_868288)
   Call: (248) [system] atom_chars(_868288, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (248) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (247) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1173508)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1175366)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (247) [system] ' '=(;)
^  Call: (247) [user] is_like_space(' ')
   Call: (248) [system] char_type(' ', 'white')
   Exit: (248) [system] char_type(' ', 'white')
^  Exit: (247) [user] is_like_space(' ')
   Call: (247) [system] get_char((0x56051b6b4f40), _1182176)
   Exit: (247) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1184880)
   Exit: (248) [system] peek_char((0x56051b6b4f40), a)
   Call: (248) [system] a=(;)
^  Call: (248) [user] is_like_space(a)
   Call: (249) [system] char_type(a, 'white')
   Call: (249) [system] char_type(a, end_of_line)
   Call: (249) [system] char_type(a, space)
   Call: (249) [system] char_type(a, cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1194272)
   Exit: (246) [system] peek_char((0x56051b6b4f40), a)
   Call: (246) [system] a=')'
   Call: (246) [system] a=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _1197986)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1199844)
   Exit: (248) [system] peek_char((0x56051b6b4f40), a)
   Call: (248) [system] a=(;)
^  Call: (248) [user] is_like_space(a)
   Call: (249) [system] char_type(a, 'white')
   Call: (249) [system] char_type(a, end_of_line)
   Call: (249) [system] char_type(a, space)
   Call: (249) [system] char_type(a, cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _1208312)
   Exit: (247) [system] get_char((0x56051b6b4f40), a)
   Call: (247) [system] a='('
   Call: (247) [system] a='['
   Call: (247) [system] a='{'
   Call: (247) [system] a='"'
   Call: (247) [system] a=!
   Call: (247) [system] a='\''
   Call: (247) [system] a='`'
   Call: (247) [system] a=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), a, _1197986)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1218530)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1219464)
   Exit: (249) [system] peek_char((0x56051b6b4f40), b)
^  Call: (249) [user] is_delimiter(b)
   Call: (250) [system] char_type(b, space)
   Call: (250) [system] arg(_1223256, v('(', ')', end_of_file), b)
   Call: (249) [system] ')'==b
   Call: (249) [system] get_char((0x56051b6b4f40), b)
   Exit: (249) [system] get_char((0x56051b6b4f40), b)
   Call: (249) [system] b=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1227826)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1228760)
   Exit: (250) [system] peek_char((0x56051b6b4f40), c)
^  Call: (250) [user] is_delimiter(c)
   Call: (251) [system] char_type(c, space)
   Call: (251) [system] arg(_1232552, v('(', ')', end_of_file), c)
   Call: (250) [system] ')'==c
   Call: (250) [system] get_char((0x56051b6b4f40), c)
   Exit: (250) [system] get_char((0x56051b6b4f40), c)
   Call: (250) [system] c=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1237122)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1238056)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _1237122=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (250) [system] _1227826=[c]
   Exit: (250) [system] [c]=[c]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (249) [system] _1218530=[b, c]
   Exit: (249) [system] [b, c]=[b, c]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (248) [user] classify_and_convert_charseq(a, [b, c], _1197986)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_1252954, _1252956), once(user:catch(read_from_chars([a, b, c], _1197986), _1252930, fail)), '$restore_trace'(_1252954, _1252956))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_1252954, _1252956))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1252930, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(abc)
   Exit: (249) [system] atomic(abc)
^  Exit: (248) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1260454)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1262312)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (248) [system] ' '=(;)
^  Call: (248) [user] is_like_space(' ')
   Call: (249) [system] char_type(' ', 'white')
   Exit: (249) [system] char_type(' ', 'white')
^  Exit: (248) [user] is_like_space(' ')
   Call: (248) [system] get_char((0x56051b6b4f40), _1269122)
   Exit: (248) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1271826)
   Exit: (249) [system] peek_char((0x56051b6b4f40), a)
   Call: (249) [system] a=(;)
^  Call: (249) [user] is_like_space(a)
   Call: (250) [system] char_type(a, 'white')
   Call: (250) [system] char_type(a, end_of_line)
   Call: (250) [system] char_type(a, space)
   Call: (250) [system] char_type(a, cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1281218)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
   Call: (247) [system] a=')'
   Call: (247) [system] a=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _1284932)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1286790)
   Exit: (249) [system] peek_char((0x56051b6b4f40), a)
   Call: (249) [system] a=(;)
^  Call: (249) [user] is_like_space(a)
   Call: (250) [system] char_type(a, 'white')
   Call: (250) [system] char_type(a, end_of_line)
   Call: (250) [system] char_type(a, space)
   Call: (250) [system] char_type(a, cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _1295258)
   Exit: (248) [system] get_char((0x56051b6b4f40), a)
   Call: (248) [system] a='('
   Call: (248) [system] a='['
   Call: (248) [system] a='{'
   Call: (248) [system] a='"'
   Call: (248) [system] a=!
   Call: (248) [system] a='\''
   Call: (248) [system] a='`'
   Call: (248) [system] a=end_of_file
^  Call: (248) [user] read_symbolic(')', (0x56051b6b4f40), a, _1284932)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1305476)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1306410)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (250) [user] is_delimiter(')')
   Call: (251) [system] char_type(')', space)
   Call: (251) [system] arg(_1310202, v('(', ')', end_of_file), ')')
   Exit: (251) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (250) [user] is_delimiter(')')
   Call: (250) [system] _1305476=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (249) [user] classify_and_convert_charseq(a, [], _1284932)
^  Call: (251) [system] setup_call_cleanup('$notrace'(_1316664, _1316666), once(user:catch(read_from_chars([a], _1284932), _1316640, fail)), '$restore_trace'(_1316664, _1316666))
^  Call: (252) [system] sig_atomic(system:'$notrace'(_1316664, _1316666))
^  Exit: (251) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1316640, fail)), system:'$restore_trace'(3, -1))
   Call: (250) [system] atomic(a)
   Exit: (250) [system] atomic(a)
^  Exit: (249) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (248) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1324164)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1326022)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
   Call: (249) [system] ')'=(;)
^  Call: (249) [user] is_like_space(')')
   Call: (250) [system] char_type(')', 'white')
   Call: (250) [system] char_type(')', end_of_line)
   Call: (250) [system] char_type(')', space)
   Call: (250) [system] char_type(')', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1334490)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
   Call: (248) [system] ')'=')'
   Exit: (248) [system] ')'=')'
   Call: (248) [system] get_char((0x56051b6b4f40), _1338280)
   Exit: (248) [system] get_char((0x56051b6b4f40), ')')
   Call: (248) [system] _1324164=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (247) [system] _1260454=[a]
   Exit: (247) [system] [a]=[a]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (246) [system] _1173508=[abc, a]
   Exit: (246) [system] [abc, a]=[abc, a]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [abc, a])
   Call: (245) [system] _840210=['DisjunctionIntroduction', abc, a]
   Exit: (245) [system] ['DisjunctionIntroduction', abc, a]=['DisjunctionIntroduction', abc, a]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', abc, a])
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1352162)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1354020)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=(;)
^  Call: (245) [user] is_like_space(')')
   Call: (246) [system] char_type(')', 'white')
   Call: (246) [system] char_type(')', end_of_line)
   Call: (246) [system] char_type(')', space)
   Call: (246) [system] char_type(')', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1362488)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=')'
   Exit: (244) [system] ')'=')'
   Call: (244) [system] get_char((0x56051b6b4f40), _1366278)
   Exit: (244) [system] get_char((0x56051b6b4f40), ')')
   Call: (244) [system] _1352162=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (243) [system] _815732=[['DisjunctionIntroduction', abc, a]]
   Exit: (243) [system] [['DisjunctionIntroduction', abc, a]]=[['DisjunctionIntroduction', abc, a]]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', abc, a]])
   Call: (242) [system] _752966=[a, ['DisjunctionIntroduction', abc, a]]
   Exit: (242) [system] [a, ['DisjunctionIntroduction', abc, a]]=[a, ['DisjunctionIntroduction', abc, a]]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [a, ['DisjunctionIntroduction', abc, a]])
   Call: (241) [system] _419668=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]]
   Exit: (241) [system] ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]]=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]])
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]])
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _1380160)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1382018)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _1388828)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1391532)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _1400924)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=')'
   Call: (240) [system] '('=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _1404638)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1406496)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _1414964)
   Exit: (241) [system] get_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('='('
   Exit: (241) [system] '('='('
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _1404638)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1420534)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (243) [system] 'O'=(;)
^  Call: (243) [user] is_like_space('O')
   Call: (244) [system] char_type('O', 'white')
   Call: (244) [system] char_type('O', end_of_line)
   Call: (244) [system] char_type('O', space)
   Call: (244) [system] char_type('O', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1429002)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (242) [system] 'O'=')'
   Call: (242) [system] 'O'=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _1432716)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1434574)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (244) [system] 'O'=(;)
^  Call: (244) [user] is_like_space('O')
   Call: (245) [system] char_type('O', 'white')
   Call: (245) [system] char_type('O', end_of_line)
   Call: (245) [system] char_type('O', space)
   Call: (245) [system] char_type('O', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _1443042)
   Exit: (243) [system] get_char((0x56051b6b4f40), 'O')
   Call: (243) [system] 'O'='('
   Call: (243) [system] 'O'='['
   Call: (243) [system] 'O'='{'
   Call: (243) [system] 'O'='"'
   Call: (243) [system] 'O'=!
   Call: (243) [system] 'O'='\''
   Call: (243) [system] 'O'='`'
   Call: (243) [system] 'O'=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1432716)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1453260)
   Call: (245) [system] peek_char((0x56051b6b4f40), _1454194)
   Exit: (245) [system] peek_char((0x56051b6b4f40), r)
^  Call: (245) [user] is_delimiter(r)
   Call: (246) [system] char_type(r, space)
   Call: (246) [system] arg(_1457986, v('(', ')', end_of_file), r)
   Call: (245) [system] ')'==r
   Call: (245) [system] get_char((0x56051b6b4f40), r)
   Exit: (245) [system] get_char((0x56051b6b4f40), r)
   Call: (245) [system] r=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1462556)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1463490)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (246) [user] is_delimiter('L')
   Call: (247) [system] char_type('L', space)
   Call: (247) [system] arg(_1467282, v('(', ')', end_of_file), 'L')
   Call: (246) [system] ')'=='L'
   Call: (246) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (246) [system] get_char((0x56051b6b4f40), 'L')
   Call: (246) [system] 'L'=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1471852)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1472786)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_1476578, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1481148)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1482082)
   Exit: (248) [system] peek_char((0x56051b6b4f40), n)
^  Call: (248) [user] is_delimiter(n)
   Call: (249) [system] char_type(n, space)
   Call: (249) [system] arg(_1485874, v('(', ')', end_of_file), n)
   Call: (248) [system] ')'==n
   Call: (248) [system] get_char((0x56051b6b4f40), n)
   Exit: (248) [system] get_char((0x56051b6b4f40), n)
   Call: (248) [system] n=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1490444)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1491378)
   Exit: (249) [system] peek_char((0x56051b6b4f40), k)
^  Call: (249) [user] is_delimiter(k)
   Call: (250) [system] char_type(k, space)
   Call: (250) [system] arg(_1495170, v('(', ')', end_of_file), k)
   Call: (249) [system] ')'==k
   Call: (249) [system] get_char((0x56051b6b4f40), k)
   Exit: (249) [system] get_char((0x56051b6b4f40), k)
   Call: (249) [system] k=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1499740)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1500674)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _1499740=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (249) [system] _1490444=[k]
   Exit: (249) [system] [k]=[k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (248) [system] _1481148=[n, k]
   Exit: (248) [system] [n, k]=[n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (247) [system] _1471852=[i, n, k]
   Exit: (247) [system] [i, n, k]=[i, n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (246) [system] _1462556=['L', i, n, k]
   Exit: (246) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (245) [system] _1453260=[r, 'L', i, n, k]
   Exit: (245) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (244) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1432716)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_1523954, _1523956), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1432716), _1523930, fail)), '$restore_trace'(_1523954, _1523956))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_1523954, _1523956))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1432716), _1523930, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(_1432716)
   Call: (245) [system] atom_chars(_1432716, ['O', r, 'L', i, n, k])
   Exit: (245) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (244) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1532406)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1534264)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _1541074)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1543778)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (245) [system] 'B'=(;)
^  Call: (245) [user] is_like_space('B')
   Call: (246) [system] char_type('B', 'white')
   Call: (246) [system] char_type('B', end_of_line)
   Call: (246) [system] char_type('B', space)
   Call: (246) [system] char_type('B', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1553170)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (243) [system] 'B'=')'
   Call: (243) [system] 'B'=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _1556884)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1558742)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (245) [system] 'B'=(;)
^  Call: (245) [user] is_like_space('B')
   Call: (246) [system] char_type('B', 'white')
   Call: (246) [system] char_type('B', end_of_line)
   Call: (246) [system] char_type('B', space)
   Call: (246) [system] char_type('B', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _1567210)
   Exit: (244) [system] get_char((0x56051b6b4f40), 'B')
   Call: (244) [system] 'B'='('
   Call: (244) [system] 'B'='['
   Call: (244) [system] 'B'='{'
   Call: (244) [system] 'B'='"'
   Call: (244) [system] 'B'=!
   Call: (244) [system] 'B'='\''
   Call: (244) [system] 'B'='`'
   Call: (244) [system] 'B'=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1556884)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1577428)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1578362)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1577428=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (245) [user] classify_and_convert_charseq('B', [], _1556884)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_1587672, _1587674), once(user:catch(read_from_chars(['B'], _1556884), _1587648, fail)), '$restore_trace'(_1587672, _1587674))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_1587672, _1587674))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1556884), _1587648, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(_1556884)
   Call: (246) [system] atom_chars(_1556884, ['B'])
   Exit: (246) [system] atom_chars('B', ['B'])
^  Exit: (245) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1596124)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1597982)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _1604792)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1607496)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=(;)
^  Call: (246) [user] is_like_space('(')
   Call: (247) [system] char_type('(', 'white')
   Call: (247) [system] char_type('(', end_of_line)
   Call: (247) [system] char_type('(', space)
   Call: (247) [system] char_type('(', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1616888)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=')'
   Call: (244) [system] '('=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _1620602)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1622460)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=(;)
^  Call: (246) [user] is_like_space('(')
   Call: (247) [system] char_type('(', 'white')
   Call: (247) [system] char_type('(', end_of_line)
   Call: (247) [system] char_type('(', space)
   Call: (247) [system] char_type('(', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _1630928)
   Exit: (245) [system] get_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('='('
   Exit: (245) [system] '('='('
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1620602)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1636498)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (247) [system] 'O'=(;)
^  Call: (247) [user] is_like_space('O')
   Call: (248) [system] char_type('O', 'white')
   Call: (248) [system] char_type('O', end_of_line)
   Call: (248) [system] char_type('O', space)
   Call: (248) [system] char_type('O', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1644966)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (246) [system] 'O'=')'
   Call: (246) [system] 'O'=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _1648680)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1650538)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (248) [system] 'O'=(;)
^  Call: (248) [user] is_like_space('O')
   Call: (249) [system] char_type('O', 'white')
   Call: (249) [system] char_type('O', end_of_line)
   Call: (249) [system] char_type('O', space)
   Call: (249) [system] char_type('O', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _1659006)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'O')
   Call: (247) [system] 'O'='('
   Call: (247) [system] 'O'='['
   Call: (247) [system] 'O'='{'
   Call: (247) [system] 'O'='"'
   Call: (247) [system] 'O'=!
   Call: (247) [system] 'O'='\''
   Call: (247) [system] 'O'='`'
   Call: (247) [system] 'O'=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1648680)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1669224)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1670158)
   Exit: (249) [system] peek_char((0x56051b6b4f40), r)
^  Call: (249) [user] is_delimiter(r)
   Call: (250) [system] char_type(r, space)
   Call: (250) [system] arg(_1673950, v('(', ')', end_of_file), r)
   Call: (249) [system] ')'==r
   Call: (249) [system] get_char((0x56051b6b4f40), r)
   Exit: (249) [system] get_char((0x56051b6b4f40), r)
   Call: (249) [system] r=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1678520)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1679454)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (250) [user] is_delimiter('L')
   Call: (251) [system] char_type('L', space)
   Call: (251) [system] arg(_1683246, v('(', ')', end_of_file), 'L')
   Call: (250) [system] ')'=='L'
   Call: (250) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (250) [system] get_char((0x56051b6b4f40), 'L')
   Call: (250) [system] 'L'=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1687816)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1688750)
   Exit: (251) [system] peek_char((0x56051b6b4f40), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_1692542, v('(', ')', end_of_file), i)
   Call: (251) [system] ')'==i
   Call: (251) [system] get_char((0x56051b6b4f40), i)
   Exit: (251) [system] get_char((0x56051b6b4f40), i)
   Call: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1697112)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1698046)
   Exit: (252) [system] peek_char((0x56051b6b4f40), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_1701838, v('(', ')', end_of_file), n)
   Call: (252) [system] ')'==n
   Call: (252) [system] get_char((0x56051b6b4f40), n)
   Exit: (252) [system] get_char((0x56051b6b4f40), n)
   Call: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1706408)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1707342)
   Exit: (253) [system] peek_char((0x56051b6b4f40), k)
^  Call: (253) [user] is_delimiter(k)
   Call: (254) [system] char_type(k, space)
   Call: (254) [system] arg(_1711134, v('(', ')', end_of_file), k)
   Call: (253) [system] ')'==k
   Call: (253) [system] get_char((0x56051b6b4f40), k)
   Exit: (253) [system] get_char((0x56051b6b4f40), k)
   Call: (253) [system] k=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1715704)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1716638)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1715704=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (253) [system] _1706408=[k]
   Exit: (253) [system] [k]=[k]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (252) [system] _1697112=[n, k]
   Exit: (252) [system] [n, k]=[n, k]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (251) [system] _1687816=[i, n, k]
   Exit: (251) [system] [i, n, k]=[i, n, k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (250) [system] _1678520=['L', i, n, k]
   Exit: (250) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (249) [system] _1669224=[r, 'L', i, n, k]
   Exit: (249) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (248) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1648680)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_1739918, _1739920), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1648680), _1739894, fail)), '$restore_trace'(_1739918, _1739920))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_1739918, _1739920))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1648680), _1739894, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(_1648680)
   Call: (249) [system] atom_chars(_1648680, ['O', r, 'L', i, n, k])
   Exit: (249) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (248) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1748370)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1750228)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (248) [system] ' '=(;)
^  Call: (248) [user] is_like_space(' ')
   Call: (249) [system] char_type(' ', 'white')
   Exit: (249) [system] char_type(' ', 'white')
^  Exit: (248) [user] is_like_space(' ')
   Call: (248) [system] get_char((0x56051b6b4f40), _1757038)
   Exit: (248) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1759742)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=(;)
^  Call: (249) [user] is_like_space('(')
   Call: (250) [system] char_type('(', 'white')
   Call: (250) [system] char_type('(', end_of_line)
   Call: (250) [system] char_type('(', space)
   Call: (250) [system] char_type('(', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1769134)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=')'
   Call: (247) [system] '('=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _1772848)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1774706)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=(;)
^  Call: (249) [user] is_like_space('(')
   Call: (250) [system] char_type('(', 'white')
   Call: (250) [system] char_type('(', end_of_line)
   Call: (250) [system] char_type('(', space)
   Call: (250) [system] char_type('(', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _1783174)
   Exit: (248) [system] get_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('='('
   Exit: (248) [system] '('='('
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1772848)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1788744)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (250) [system] 'I'=(;)
^  Call: (250) [user] is_like_space('I')
   Call: (251) [system] char_type('I', 'white')
   Call: (251) [system] char_type('I', end_of_line)
   Call: (251) [system] char_type('I', space)
   Call: (251) [system] char_type('I', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1797212)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (249) [system] 'I'=')'
   Call: (249) [system] 'I'=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _1800926)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1802784)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (251) [system] 'I'=(;)
^  Call: (251) [user] is_like_space('I')
   Call: (252) [system] char_type('I', 'white')
   Call: (252) [system] char_type('I', end_of_line)
   Call: (252) [system] char_type('I', space)
   Call: (252) [system] char_type('I', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _1811252)
   Exit: (250) [system] get_char((0x56051b6b4f40), 'I')
   Call: (250) [system] 'I'='('
   Call: (250) [system] 'I'='['
   Call: (250) [system] 'I'='{'
   Call: (250) [system] 'I'='"'
   Call: (250) [system] 'I'=!
   Call: (250) [system] 'I'='\''
   Call: (250) [system] 'I'='`'
   Call: (250) [system] 'I'=end_of_file
^  Call: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1800926)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1821470)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1822404)
   Exit: (252) [system] peek_char((0x56051b6b4f40), m)
^  Call: (252) [user] is_delimiter(m)
   Call: (253) [system] char_type(m, space)
   Call: (253) [system] arg(_1826196, v('(', ')', end_of_file), m)
   Call: (252) [system] ')'==m
   Call: (252) [system] get_char((0x56051b6b4f40), m)
   Exit: (252) [system] get_char((0x56051b6b4f40), m)
   Call: (252) [system] m=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1830766)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1831700)
   Exit: (253) [system] peek_char((0x56051b6b4f40), p)
^  Call: (253) [user] is_delimiter(p)
   Call: (254) [system] char_type(p, space)
   Call: (254) [system] arg(_1835492, v('(', ')', end_of_file), p)
   Call: (253) [system] ')'==p
   Call: (253) [system] get_char((0x56051b6b4f40), p)
   Exit: (253) [system] get_char((0x56051b6b4f40), p)
   Call: (253) [system] p=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1840062)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1840996)
   Exit: (254) [system] peek_char((0x56051b6b4f40), l)
^  Call: (254) [user] is_delimiter(l)
   Call: (255) [system] char_type(l, space)
   Call: (255) [system] arg(_1844788, v('(', ')', end_of_file), l)
   Call: (254) [system] ')'==l
   Call: (254) [system] get_char((0x56051b6b4f40), l)
   Exit: (254) [system] get_char((0x56051b6b4f40), l)
   Call: (254) [system] l=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1849358)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1850292)
   Exit: (255) [system] peek_char((0x56051b6b4f40), i)
^  Call: (255) [user] is_delimiter(i)
   Call: (256) [system] char_type(i, space)
   Call: (256) [system] arg(_1854084, v('(', ')', end_of_file), i)
   Call: (255) [system] ')'==i
   Call: (255) [system] get_char((0x56051b6b4f40), i)
   Exit: (255) [system] get_char((0x56051b6b4f40), i)
   Call: (255) [system] i=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1858654)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1859588)
   Exit: (256) [system] peek_char((0x56051b6b4f40), c)
^  Call: (256) [user] is_delimiter(c)
   Call: (257) [system] char_type(c, space)
   Call: (257) [system] arg(_1863380, v('(', ')', end_of_file), c)
   Call: (256) [system] ')'==c
   Call: (256) [system] get_char((0x56051b6b4f40), c)
   Exit: (256) [system] get_char((0x56051b6b4f40), c)
   Call: (256) [system] c=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1867950)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1868884)
   Exit: (257) [system] peek_char((0x56051b6b4f40), a)
^  Call: (257) [user] is_delimiter(a)
   Call: (258) [system] char_type(a, space)
   Call: (258) [system] arg(_1872676, v('(', ')', end_of_file), a)
   Call: (257) [system] ')'==a
   Call: (257) [system] get_char((0x56051b6b4f40), a)
   Exit: (257) [system] get_char((0x56051b6b4f40), a)
   Call: (257) [system] a=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1877246)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1878180)
   Exit: (258) [system] peek_char((0x56051b6b4f40), t)
^  Call: (258) [user] is_delimiter(t)
   Call: (259) [system] char_type(t, space)
   Call: (259) [system] arg(_1881972, v('(', ')', end_of_file), t)
   Call: (258) [system] ')'==t
   Call: (258) [system] get_char((0x56051b6b4f40), t)
   Exit: (258) [system] get_char((0x56051b6b4f40), t)
   Call: (258) [system] t=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1886542)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1887476)
   Exit: (259) [system] peek_char((0x56051b6b4f40), i)
^  Call: (259) [user] is_delimiter(i)
   Call: (260) [system] char_type(i, space)
   Call: (260) [system] arg(_1891268, v('(', ')', end_of_file), i)
   Call: (259) [system] ')'==i
   Call: (259) [system] get_char((0x56051b6b4f40), i)
   Exit: (259) [system] get_char((0x56051b6b4f40), i)
   Call: (259) [system] i=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1895838)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1896772)
   Exit: (260) [system] peek_char((0x56051b6b4f40), o)
^  Call: (260) [user] is_delimiter(o)
   Call: (261) [system] char_type(o, space)
   Call: (261) [system] arg(_1900564, v('(', ')', end_of_file), o)
   Call: (260) [system] ')'==o
   Call: (260) [system] get_char((0x56051b6b4f40), o)
   Exit: (260) [system] get_char((0x56051b6b4f40), o)
   Call: (260) [system] o=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1905134)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1906068)
   Exit: (261) [system] peek_char((0x56051b6b4f40), n)
^  Call: (261) [user] is_delimiter(n)
   Call: (262) [system] char_type(n, space)
   Call: (262) [system] arg(_1909860, v('(', ')', end_of_file), n)
   Call: (261) [system] ')'==n
   Call: (261) [system] get_char((0x56051b6b4f40), n)
   Exit: (261) [system] get_char((0x56051b6b4f40), n)
   Call: (261) [system] n=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1914430)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1915364)
   Exit: (262) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (262) [user] is_delimiter(' ')
   Call: (263) [system] char_type(' ', space)
   Exit: (263) [system] char_type(' ', space)
^  Exit: (262) [user] is_delimiter(' ')
   Call: (262) [system] _1914430=[]
   Exit: (262) [system] []=[]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (261) [system] _1905134=[n]
   Exit: (261) [system] [n]=[n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (260) [system] _1895838=[o, n]
   Exit: (260) [system] [o, n]=[o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (259) [system] _1886542=[i, o, n]
   Exit: (259) [system] [i, o, n]=[i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (258) [system] _1877246=[t, i, o, n]
   Exit: (258) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (257) [system] _1867950=[a, t, i, o, n]
   Exit: (257) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (256) [system] _1858654=[c, a, t, i, o, n]
   Exit: (256) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (255) [system] _1849358=[i, c, a, t, i, o, n]
   Exit: (255) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (254) [system] _1840062=[l, i, c, a, t, i, o, n]
   Exit: (254) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (253) [system] _1830766=[p, l, i, c, a, t, i, o, n]
   Exit: (253) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (252) [system] _1821470=[m, p, l, i, c, a, t, i, o, n]
   Exit: (252) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (251) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1800926)
^  Call: (253) [system] setup_call_cleanup('$notrace'(_1952614, _1952616), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1800926), _1952590, fail)), '$restore_trace'(_1952614, _1952616))
^  Call: (254) [system] sig_atomic(system:'$notrace'(_1952614, _1952616))
^  Exit: (253) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1800926), _1952590, fail)), system:'$restore_trace'(3, -1))
   Call: (252) [system] atomic(_1800926)
   Call: (252) [system] atom_chars(_1800926, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (252) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (251) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1961066)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1962924)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (251) [system] ' '=(;)
^  Call: (251) [user] is_like_space(' ')
   Call: (252) [system] char_type(' ', 'white')
   Exit: (252) [system] char_type(' ', 'white')
^  Exit: (251) [user] is_like_space(' ')
   Call: (251) [system] get_char((0x56051b6b4f40), _1969734)
   Exit: (251) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1972438)
   Exit: (252) [system] peek_char((0x56051b6b4f40), '(')
   Call: (252) [system] '('=(;)
^  Call: (252) [user] is_like_space('(')
   Call: (253) [system] char_type('(', 'white')
   Call: (253) [system] char_type('(', end_of_line)
   Call: (253) [system] char_type('(', space)
   Call: (253) [system] char_type('(', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1981830)
   Exit: (250) [system] peek_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('=')'
   Call: (250) [system] '('=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _1985544)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1987402)
   Exit: (252) [system] peek_char((0x56051b6b4f40), '(')
   Call: (252) [system] '('=(;)
^  Call: (252) [user] is_like_space('(')
   Call: (253) [system] char_type('(', 'white')
   Call: (253) [system] char_type('(', end_of_line)
   Call: (253) [system] char_type('(', space)
   Call: (253) [system] char_type('(', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _1995870)
   Exit: (251) [system] get_char((0x56051b6b4f40), '(')
   Call: (251) [system] '('='('
   Exit: (251) [system] '('='('
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _1985544)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _2001440)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (253) [system] 'A'=(;)
^  Call: (253) [user] is_like_space('A')
   Call: (254) [system] char_type('A', 'white')
   Call: (254) [system] char_type('A', end_of_line)
   Call: (254) [system] char_type('A', space)
   Call: (254) [system] char_type('A', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _2009908)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'=')'
   Call: (252) [system] 'A'=end_of_file
^  Call: (252) [user] cont_sexpr(')', (0x56051b6b4f40), _2013622)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _2015480)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (254) [system] 'A'=(;)
^  Call: (254) [user] is_like_space('A')
   Call: (255) [system] char_type('A', 'white')
   Call: (255) [system] char_type('A', end_of_line)
   Call: (255) [system] char_type('A', space)
   Call: (255) [system] char_type('A', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] get_char((0x56051b6b4f40), _2023948)
   Exit: (253) [system] get_char((0x56051b6b4f40), 'A')
   Call: (253) [system] 'A'='('
   Call: (253) [system] 'A'='['
   Call: (253) [system] 'A'='{'
   Call: (253) [system] 'A'='"'
   Call: (253) [system] 'A'=!
   Call: (253) [system] 'A'='\''
   Call: (253) [system] 'A'='`'
   Call: (253) [system] 'A'=end_of_file
^  Call: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _2013622)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2034166)
   Call: (255) [system] peek_char((0x56051b6b4f40), _2035100)
   Exit: (255) [system] peek_char((0x56051b6b4f40), n)
^  Call: (255) [user] is_delimiter(n)
   Call: (256) [system] char_type(n, space)
   Call: (256) [system] arg(_2038892, v('(', ')', end_of_file), n)
   Call: (255) [system] ')'==n
   Call: (255) [system] get_char((0x56051b6b4f40), n)
   Exit: (255) [system] get_char((0x56051b6b4f40), n)
   Call: (255) [system] n=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2043462)
   Call: (256) [system] peek_char((0x56051b6b4f40), _2044396)
   Exit: (256) [system] peek_char((0x56051b6b4f40), d)
^  Call: (256) [user] is_delimiter(d)
   Call: (257) [system] char_type(d, space)
   Call: (257) [system] arg(_2048188, v('(', ')', end_of_file), d)
   Call: (256) [system] ')'==d
   Call: (256) [system] get_char((0x56051b6b4f40), d)
   Exit: (256) [system] get_char((0x56051b6b4f40), d)
   Call: (256) [system] d=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2052758)
   Call: (257) [system] peek_char((0x56051b6b4f40), _2053692)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (257) [user] is_delimiter('L')
   Call: (258) [system] char_type('L', space)
   Call: (258) [system] arg(_2057484, v('(', ')', end_of_file), 'L')
   Call: (257) [system] ')'=='L'
   Call: (257) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (257) [system] get_char((0x56051b6b4f40), 'L')
   Call: (257) [system] 'L'=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2062054)
   Call: (258) [system] peek_char((0x56051b6b4f40), _2062988)
   Exit: (258) [system] peek_char((0x56051b6b4f40), i)
^  Call: (258) [user] is_delimiter(i)
   Call: (259) [system] char_type(i, space)
   Call: (259) [system] arg(_2066780, v('(', ')', end_of_file), i)
   Call: (258) [system] ')'==i
   Call: (258) [system] get_char((0x56051b6b4f40), i)
   Exit: (258) [system] get_char((0x56051b6b4f40), i)
   Call: (258) [system] i=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2071350)
   Call: (259) [system] peek_char((0x56051b6b4f40), _2072284)
   Exit: (259) [system] peek_char((0x56051b6b4f40), n)
^  Call: (259) [user] is_delimiter(n)
   Call: (260) [system] char_type(n, space)
   Call: (260) [system] arg(_2076076, v('(', ')', end_of_file), n)
   Call: (259) [system] ')'==n
   Call: (259) [system] get_char((0x56051b6b4f40), n)
   Exit: (259) [system] get_char((0x56051b6b4f40), n)
   Call: (259) [system] n=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2080646)
   Call: (260) [system] peek_char((0x56051b6b4f40), _2081580)
   Exit: (260) [system] peek_char((0x56051b6b4f40), k)
^  Call: (260) [user] is_delimiter(k)
   Call: (261) [system] char_type(k, space)
   Call: (261) [system] arg(_2085372, v('(', ')', end_of_file), k)
   Call: (260) [system] ')'==k
   Call: (260) [system] get_char((0x56051b6b4f40), k)
   Exit: (260) [system] get_char((0x56051b6b4f40), k)
   Call: (260) [system] k=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2089942)
   Call: (261) [system] peek_char((0x56051b6b4f40), _2090876)
   Exit: (261) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (261) [user] is_delimiter(' ')
   Call: (262) [system] char_type(' ', space)
   Exit: (262) [system] char_type(' ', space)
^  Exit: (261) [user] is_delimiter(' ')
   Call: (261) [system] _10374=[]
   Exit: (261) [system] []=[]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (260) [system] _10370=[k]
   Exit: (260) [system] [k]=[k]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (259) [system] _10366=[n, k]
   Exit: (259) [system] [n, k]=[n, k]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (258) [system] _10362=[i, n, k]
   Exit: (258) [system] [i, n, k]=[i, n, k]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (257) [system] _10358=['L', i, n, k]
   Exit: (257) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (256) [system] _10354=[d, 'L', i, n, k]
   Exit: (256) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (255) [system] _10350=[n, d, 'L', i, n, k]
   Exit: (255) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (254) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _10346)
^  Call: (256) [system] setup_call_cleanup('$notrace'(_30560, _30562), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _10346), _30536, fail)), '$restore_trace'(_30560, _30562))
^  Call: (257) [system] sig_atomic(system:'$notrace'(_30560, _30562))
^  Exit: (256) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _10346), _30536, fail)), system:'$restore_trace'(3, -1))
   Call: (255) [system] atomic(_10346)
   Call: (255) [system] atom_chars(_10346, ['A', n, d, 'L', i, n, k])
   Exit: (255) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (254) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (252) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (252) [user] read_list(')', (0x56051b6b4f40), _39012)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _40870)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (254) [system] ' '=(;)
^  Call: (254) [user] is_like_space(' ')
   Call: (255) [system] char_type(' ', 'white')
   Exit: (255) [system] char_type(' ', 'white')
^  Exit: (254) [user] is_like_space(' ')
   Call: (254) [system] get_char((0x56051b6b4f40), _47680)
   Exit: (254) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _50384)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (255) [system] 'A'=(;)
^  Call: (255) [user] is_like_space('A')
   Call: (256) [system] char_type('A', 'white')
   Call: (256) [system] char_type('A', end_of_line)
   Call: (256) [system] char_type('A', space)
   Call: (256) [system] char_type('A', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _59776)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (253) [system] 'A'=')'
   Call: (253) [system] 'A'=end_of_file
^  Call: (253) [user] cont_sexpr(')', (0x56051b6b4f40), _63490)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _65348)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (255) [system] 'A'=(;)
^  Call: (255) [user] is_like_space('A')
   Call: (256) [system] char_type('A', 'white')
   Call: (256) [system] char_type('A', end_of_line)
   Call: (256) [system] char_type('A', space)
   Call: (256) [system] char_type('A', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] get_char((0x56051b6b4f40), _73816)
   Exit: (254) [system] get_char((0x56051b6b4f40), 'A')
   Call: (254) [system] 'A'='('
   Call: (254) [system] 'A'='['
   Call: (254) [system] 'A'='{'
   Call: (254) [system] 'A'='"'
   Call: (254) [system] 'A'=!
   Call: (254) [system] 'A'='\''
   Call: (254) [system] 'A'='`'
   Call: (254) [system] 'A'=end_of_file
^  Call: (254) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _63490)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _84034)
   Call: (256) [system] peek_char((0x56051b6b4f40), _84968)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (256) [user] is_delimiter(' ')
   Call: (257) [system] char_type(' ', space)
   Exit: (257) [system] char_type(' ', space)
^  Exit: (256) [user] is_delimiter(' ')
   Call: (256) [system] _84034=[]
   Exit: (256) [system] []=[]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (255) [user] classify_and_convert_charseq('A', [], _63490)
^  Call: (257) [system] setup_call_cleanup('$notrace'(_94278, _94280), once(user:catch(read_from_chars(['A'], _63490), _94254, fail)), '$restore_trace'(_94278, _94280))
^  Call: (258) [system] sig_atomic(system:'$notrace'(_94278, _94280))
^  Exit: (257) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _63490), _94254, fail)), system:'$restore_trace'(3, -1))
   Call: (256) [system] atomic(_63490)
   Call: (256) [system] atom_chars(_63490, ['A'])
   Exit: (256) [system] atom_chars('A', ['A'])
^  Exit: (255) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (254) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (253) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (253) [user] read_list(')', (0x56051b6b4f40), _102730)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _104588)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (255) [system] ' '=(;)
^  Call: (255) [user] is_like_space(' ')
   Call: (256) [system] char_type(' ', 'white')
   Exit: (256) [system] char_type(' ', 'white')
^  Exit: (255) [user] is_like_space(' ')
   Call: (255) [system] get_char((0x56051b6b4f40), _111398)
   Exit: (255) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _114102)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (256) [system] 'B'=(;)
^  Call: (256) [user] is_like_space('B')
   Call: (257) [system] char_type('B', 'white')
   Call: (257) [system] char_type('B', end_of_line)
   Call: (257) [system] char_type('B', space)
   Call: (257) [system] char_type('B', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _123494)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (254) [system] 'B'=')'
   Call: (254) [system] 'B'=end_of_file
^  Call: (254) [user] cont_sexpr(')', (0x56051b6b4f40), _127208)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _129066)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (256) [system] 'B'=(;)
^  Call: (256) [user] is_like_space('B')
   Call: (257) [system] char_type('B', 'white')
   Call: (257) [system] char_type('B', end_of_line)
   Call: (257) [system] char_type('B', space)
   Call: (257) [system] char_type('B', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] get_char((0x56051b6b4f40), _137534)
   Exit: (255) [system] get_char((0x56051b6b4f40), 'B')
   Call: (255) [system] 'B'='('
   Call: (255) [system] 'B'='['
   Call: (255) [system] 'B'='{'
   Call: (255) [system] 'B'='"'
   Call: (255) [system] 'B'=!
   Call: (255) [system] 'B'='\''
   Call: (255) [system] 'B'='`'
   Call: (255) [system] 'B'=end_of_file
^  Call: (255) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _127208)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _147752)
   Call: (257) [system] peek_char((0x56051b6b4f40), _148686)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (257) [user] is_delimiter(')')
   Call: (258) [system] char_type(')', space)
   Call: (258) [system] arg(_152478, v('(', ')', end_of_file), ')')
   Exit: (258) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (257) [user] is_delimiter(')')
   Call: (257) [system] _147752=[]
   Exit: (257) [system] []=[]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (256) [user] classify_and_convert_charseq('B', [], _127208)
^  Call: (258) [system] setup_call_cleanup('$notrace'(_158940, _158942), once(user:catch(read_from_chars(['B'], _127208), _158916, fail)), '$restore_trace'(_158940, _158942))
^  Call: (259) [system] sig_atomic(system:'$notrace'(_158940, _158942))
^  Exit: (258) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _127208), _158916, fail)), system:'$restore_trace'(3, -1))
   Call: (257) [system] atomic(_127208)
   Call: (257) [system] atom_chars(_127208, ['B'])
   Exit: (257) [system] atom_chars('B', ['B'])
^  Exit: (256) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (255) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (254) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (254) [user] read_list(')', (0x56051b6b4f40), _167392)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _169250)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ')')
   Call: (256) [system] ')'=(;)
^  Call: (256) [user] is_like_space(')')
   Call: (257) [system] char_type(')', 'white')
   Call: (257) [system] char_type(')', end_of_line)
   Call: (257) [system] char_type(')', space)
   Call: (257) [system] char_type(')', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _177718)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ')')
   Call: (255) [system] ')'=')'
   Exit: (255) [system] ')'=')'
   Call: (255) [system] get_char((0x56051b6b4f40), _181508)
   Exit: (255) [system] get_char((0x56051b6b4f40), ')')
   Call: (255) [system] _167392=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (254) [system] _102730=['B']
   Exit: (254) [system] ['B']=['B']
^  Exit: (253) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (253) [system] _39012=['A', 'B']
   Exit: (253) [system] ['A', 'B']=['A', 'B']
^  Exit: (252) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (252) [system] _10340=['AndLink', 'A', 'B']
   Exit: (252) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _195390)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _197248)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (252) [system] ' '=(;)
^  Call: (252) [user] is_like_space(' ')
   Call: (253) [system] char_type(' ', 'white')
   Exit: (253) [system] char_type(' ', 'white')
^  Exit: (252) [user] is_like_space(' ')
   Call: (252) [system] get_char((0x56051b6b4f40), _204058)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _206762)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (253) [system] 'C'=(;)
^  Call: (253) [user] is_like_space('C')
   Call: (254) [system] char_type('C', 'white')
   Call: (254) [system] char_type('C', end_of_line)
   Call: (254) [system] char_type('C', space)
   Call: (254) [system] char_type('C', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _216154)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (251) [system] 'C'=')'
   Call: (251) [system] 'C'=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _219868)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _221726)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (253) [system] 'C'=(;)
^  Call: (253) [user] is_like_space('C')
   Call: (254) [system] char_type('C', 'white')
   Call: (254) [system] char_type('C', end_of_line)
   Call: (254) [system] char_type('C', space)
   Call: (254) [system] char_type('C', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _230194)
   Exit: (252) [system] get_char((0x56051b6b4f40), 'C')
   Call: (252) [system] 'C'='('
   Call: (252) [system] 'C'='['
   Call: (252) [system] 'C'='{'
   Call: (252) [system] 'C'='"'
   Call: (252) [system] 'C'=!
   Call: (252) [system] 'C'='\''
   Call: (252) [system] 'C'='`'
   Call: (252) [system] 'C'=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _219868)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _240412)
   Call: (254) [system] peek_char((0x56051b6b4f40), _241346)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (254) [user] is_delimiter(')')
   Call: (255) [system] char_type(')', space)
   Call: (255) [system] arg(_245138, v('(', ')', end_of_file), ')')
   Exit: (255) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (254) [user] is_delimiter(')')
   Call: (254) [system] _240412=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (253) [user] classify_and_convert_charseq('C', [], _219868)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_251600, _251602), once(user:catch(read_from_chars(['C'], _219868), _251576, fail)), '$restore_trace'(_251600, _251602))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_251600, _251602))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _219868), _251576, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(_219868)
   Call: (254) [system] atom_chars(_219868, ['C'])
   Exit: (254) [system] atom_chars('C', ['C'])
^  Exit: (253) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _260052)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _261910)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
   Call: (253) [system] ')'=(;)
^  Call: (253) [user] is_like_space(')')
   Call: (254) [system] char_type(')', 'white')
   Call: (254) [system] char_type(')', end_of_line)
   Call: (254) [system] char_type(')', space)
   Call: (254) [system] char_type(')', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _270378)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
   Call: (252) [system] ')'=')'
   Exit: (252) [system] ')'=')'
   Call: (252) [system] get_char((0x56051b6b4f40), _274168)
   Exit: (252) [system] get_char((0x56051b6b4f40), ')')
   Call: (252) [system] _260052=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (251) [system] _195390=['C']
   Exit: (251) [system] ['C']=['C']
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (250) [system] _10336=[['AndLink', 'A', 'B'], 'C']
   Exit: (250) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (249) [system] _10328=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (249) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _288050)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _289908)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (249) [system] ' '=(;)
^  Call: (249) [user] is_like_space(' ')
   Call: (250) [system] char_type(' ', 'white')
   Exit: (250) [system] char_type(' ', 'white')
^  Exit: (249) [user] is_like_space(' ')
   Call: (249) [system] get_char((0x56051b6b4f40), _296718)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _299422)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (250) [system] 'A'=(;)
^  Call: (250) [user] is_like_space('A')
   Call: (251) [system] char_type('A', 'white')
   Call: (251) [system] char_type('A', end_of_line)
   Call: (251) [system] char_type('A', space)
   Call: (251) [system] char_type('A', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _308814)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (248) [system] 'A'=')'
   Call: (248) [system] 'A'=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _312528)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _314386)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (250) [system] 'A'=(;)
^  Call: (250) [user] is_like_space('A')
   Call: (251) [system] char_type('A', 'white')
   Call: (251) [system] char_type('A', end_of_line)
   Call: (251) [system] char_type('A', space)
   Call: (251) [system] char_type('A', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _322854)
   Exit: (249) [system] get_char((0x56051b6b4f40), 'A')
   Call: (249) [system] 'A'='('
   Call: (249) [system] 'A'='['
   Call: (249) [system] 'A'='{'
   Call: (249) [system] 'A'='"'
   Call: (249) [system] 'A'=!
   Call: (249) [system] 'A'='\''
   Call: (249) [system] 'A'='`'
   Call: (249) [system] 'A'=end_of_file
^  Call: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _312528)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _333072)
   Call: (251) [system] peek_char((0x56051b6b4f40), _334006)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (251) [user] is_delimiter(')')
   Call: (252) [system] char_type(')', space)
   Call: (252) [system] arg(_337798, v('(', ')', end_of_file), ')')
   Exit: (252) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (251) [user] is_delimiter(')')
   Call: (251) [system] _333072=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (250) [user] classify_and_convert_charseq('A', [], _312528)
^  Call: (252) [system] setup_call_cleanup('$notrace'(_344260, _344262), once(user:catch(read_from_chars(['A'], _312528), _344236, fail)), '$restore_trace'(_344260, _344262))
^  Call: (253) [system] sig_atomic(system:'$notrace'(_344260, _344262))
^  Exit: (252) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _312528), _344236, fail)), system:'$restore_trace'(3, -1))
   Call: (251) [system] atomic(_312528)
   Call: (251) [system] atom_chars(_312528, ['A'])
   Exit: (251) [system] atom_chars('A', ['A'])
^  Exit: (250) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _352712)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _354570)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
   Call: (250) [system] ')'=(;)
^  Call: (250) [user] is_like_space(')')
   Call: (251) [system] char_type(')', 'white')
   Call: (251) [system] char_type(')', end_of_line)
   Call: (251) [system] char_type(')', space)
   Call: (251) [system] char_type(')', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _363038)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
   Call: (249) [system] ')'=')'
   Exit: (249) [system] ')'=')'
   Call: (249) [system] get_char((0x56051b6b4f40), _366828)
   Exit: (249) [system] get_char((0x56051b6b4f40), ')')
   Call: (249) [system] _352712=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (248) [system] _288050=['A']
   Exit: (248) [system] ['A']=['A']
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (247) [system] _10324=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (247) [system] [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=[['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
   Call: (246) [system] _10316=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
   Exit: (246) [system] ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']=['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A'])
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _380710)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _382568)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=(;)
^  Call: (246) [user] is_like_space(')')
   Call: (247) [system] char_type(')', 'white')
   Call: (247) [system] char_type(')', end_of_line)
   Call: (247) [system] char_type(')', space)
   Call: (247) [system] char_type(')', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _391036)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=')'
   Exit: (245) [system] ')'=')'
   Call: (245) [system] get_char((0x56051b6b4f40), _394826)
   Exit: (245) [system] get_char((0x56051b6b4f40), ')')
   Call: (245) [system] _380710=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (244) [system] _10312=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (244) [system] [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=[['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (243) [system] _10306=['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (243) [system] ['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), ['B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
   Call: (242) [system] _10298=['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
   Exit: (242) [system] ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]=['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']])
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _408708)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _410566)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=(;)
^  Call: (242) [user] is_like_space(')')
   Call: (243) [system] char_type(')', 'white')
   Call: (243) [system] char_type(')', end_of_line)
   Call: (243) [system] char_type(')', space)
   Call: (243) [system] char_type(')', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _419034)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ')')
   Call: (241) [system] ')'=')'
   Exit: (241) [system] ')'=')'
   Call: (241) [system] get_char((0x56051b6b4f40), _422824)
   Exit: (241) [system] get_char((0x56051b6b4f40), ')')
   Call: (241) [system] _408708=[]
   Exit: (241) [system] []=[]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (240) [system] _10294=[['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (240) [system] [['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (239) [system] _10252=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (239) [system] [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
   Call: (238) [system] _10244=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
   Exit: (238) [system] [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]]
^  Exit: (237) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Exit: (236) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', abc, a]], ['OrLink', 'B', ['OrLink', ['Implication', ['AndLink', 'A', 'B'], 'C'], 'A']]])
^  Call: (236) [user] read_list(')', (0x56051b6b4f40), _436706)
^  Call: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _438564)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (238) [system] '\n'=(;)
^  Call: (238) [user] is_like_space('\n')
   Call: (239) [system] char_type('\n', 'white')
   Call: (239) [system] char_type('\n', end_of_line)
   Exit: (239) [system] char_type('\n', end_of_line)
^  Exit: (238) [user] is_like_space('\n')
   Call: (238) [system] get_char((0x56051b6b4f40), _446180)
   Exit: (238) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _448884)
   Exit: (239) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (239) [system] ' '=(;)
^  Call: (239) [user] is_like_space(' ')
   Call: (240) [system] char_type(' ', 'white')
   Exit: (240) [system] char_type(' ', 'white')
^  Exit: (239) [user] is_like_space(' ')
   Call: (239) [system] get_char((0x56051b6b4f40), _455694)
   Exit: (239) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _458398)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (237) [user] skip_spaces((0x56051b6b4f40))
   Call: (237) [system] peek_char((0x56051b6b4f40), _468714)
   Exit: (237) [system] peek_char((0x56051b6b4f40), '(')
   Call: (237) [system] '('=')'
   Call: (237) [system] '('=end_of_file
^  Call: (237) [user] cont_sexpr(')', (0x56051b6b4f40), _472428)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _474286)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=(;)
^  Call: (239) [user] is_like_space('(')
   Call: (240) [system] char_type('(', 'white')
   Call: (240) [system] char_type('(', end_of_line)
   Call: (240) [system] char_type('(', space)
   Call: (240) [system] char_type('(', cntrl)
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] get_char((0x56051b6b4f40), _482754)
   Exit: (238) [system] get_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('='('
   Exit: (238) [system] '('='('
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _472428)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _488324)
   Exit: (240) [system] peek_char((0x56051b6b4f40), :)
   Call: (240) [system] (:)=(;)
^  Call: (240) [user] is_like_space(:)
   Call: (241) [system] char_type(:, 'white')
   Call: (241) [system] char_type(:, end_of_line)
   Call: (241) [system] char_type(:, space)
   Call: (241) [system] char_type(:, cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _496792)
   Exit: (239) [system] peek_char((0x56051b6b4f40), :)
   Call: (239) [system] (:)=')'
   Call: (239) [system] (:)=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _500506)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _502364)
   Exit: (241) [system] peek_char((0x56051b6b4f40), :)
   Call: (241) [system] (:)=(;)
^  Call: (241) [user] is_like_space(:)
   Call: (242) [system] char_type(:, 'white')
   Call: (242) [system] char_type(:, end_of_line)
   Call: (242) [system] char_type(:, space)
   Call: (242) [system] char_type(:, cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _510832)
   Exit: (240) [system] get_char((0x56051b6b4f40), :)
   Call: (240) [system] (:)='('
   Call: (240) [system] (:)='['
   Call: (240) [system] (:)='{'
   Call: (240) [system] (:)='"'
   Call: (240) [system] (:)=!
   Call: (240) [system] (:)='\''
   Call: (240) [system] (:)='`'
   Call: (240) [system] (:)=end_of_file
^  Call: (240) [user] read_symbolic(')', (0x56051b6b4f40), :, _500506)
^  Call: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), _521050)
   Call: (242) [system] peek_char((0x56051b6b4f40), _521984)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] is_delimiter(' ')
   Call: (243) [system] char_type(' ', space)
   Exit: (243) [system] char_type(' ', space)
^  Exit: (242) [user] is_delimiter(' ')
   Call: (242) [system] _521050=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (241) [user] classify_and_convert_charseq(:, [], _500506)
^  Call: (243) [system] setup_call_cleanup('$notrace'(_531294, _531296), once(user:catch(read_from_chars([:], _500506), _531270, fail)), '$restore_trace'(_531294, _531296))
^  Call: (244) [system] sig_atomic(system:'$notrace'(_531294, _531296))
^  Exit: (243) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _531270, fail)), system:'$restore_trace'(3, -1))
   Call: (242) [system] atomic(:)
   Exit: (242) [system] atomic(:)
^  Exit: (241) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (240) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _538794)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _540652)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _547462)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _550166)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _559558)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=')'
   Call: (240) [system] '('=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _563272)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _565130)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _573598)
   Exit: (241) [system] get_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('='('
   Exit: (241) [system] '('='('
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _563272)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _579168)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'=(;)
^  Call: (243) [user] is_like_space('D')
   Call: (244) [system] char_type('D', 'white')
   Call: (244) [system] char_type('D', end_of_line)
   Call: (244) [system] char_type('D', space)
   Call: (244) [system] char_type('D', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _587636)
   Exit: (242) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (242) [system] 'D'=')'
   Call: (242) [system] 'D'=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _591350)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _593208)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'=(;)
^  Call: (244) [user] is_like_space('D')
   Call: (245) [system] char_type('D', 'white')
   Call: (245) [system] char_type('D', end_of_line)
   Call: (245) [system] char_type('D', space)
   Call: (245) [system] char_type('D', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _601676)
   Exit: (243) [system] get_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'='('
   Call: (243) [system] 'D'='['
   Call: (243) [system] 'D'='{'
   Call: (243) [system] 'D'='"'
   Call: (243) [system] 'D'=!
   Call: (243) [system] 'D'='\''
   Call: (243) [system] 'D'='`'
   Call: (243) [system] 'D'=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _591350)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _611894)
   Call: (245) [system] peek_char((0x56051b6b4f40), _612828)
   Exit: (245) [system] peek_char((0x56051b6b4f40), i)
^  Call: (245) [user] is_delimiter(i)
   Call: (246) [system] char_type(i, space)
   Call: (246) [system] arg(_616620, v('(', ')', end_of_file), i)
   Call: (245) [system] ')'==i
   Call: (245) [system] get_char((0x56051b6b4f40), i)
   Exit: (245) [system] get_char((0x56051b6b4f40), i)
   Call: (245) [system] i=(\)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _621190)
   Call: (246) [system] peek_char((0x56051b6b4f40), _622124)
   Exit: (246) [system] peek_char((0x56051b6b4f40), s)
^  Call: (246) [user] is_delimiter(s)
   Call: (247) [system] char_type(s, space)
   Call: (247) [system] arg(_625916, v('(', ')', end_of_file), s)
   Call: (246) [system] ')'==s
   Call: (246) [system] get_char((0x56051b6b4f40), s)
   Exit: (246) [system] get_char((0x56051b6b4f40), s)
   Call: (246) [system] s=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _630486)
   Call: (247) [system] peek_char((0x56051b6b4f40), _631420)
   Exit: (247) [system] peek_char((0x56051b6b4f40), j)
^  Call: (247) [user] is_delimiter(j)
   Call: (248) [system] char_type(j, space)
   Call: (248) [system] arg(_635212, v('(', ')', end_of_file), j)
   Call: (247) [system] ')'==j
   Call: (247) [system] get_char((0x56051b6b4f40), j)
   Exit: (247) [system] get_char((0x56051b6b4f40), j)
   Call: (247) [system] j=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _639782)
   Call: (248) [system] peek_char((0x56051b6b4f40), _640716)
   Exit: (248) [system] peek_char((0x56051b6b4f40), u)
^  Call: (248) [user] is_delimiter(u)
   Call: (249) [system] char_type(u, space)
   Call: (249) [system] arg(_644508, v('(', ')', end_of_file), u)
   Call: (248) [system] ')'==u
   Call: (248) [system] get_char((0x56051b6b4f40), u)
   Exit: (248) [system] get_char((0x56051b6b4f40), u)
   Call: (248) [system] u=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _649078)
   Call: (249) [system] peek_char((0x56051b6b4f40), _650012)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_653804, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _658374)
   Call: (250) [system] peek_char((0x56051b6b4f40), _659308)
   Exit: (250) [system] peek_char((0x56051b6b4f40), c)
^  Call: (250) [user] is_delimiter(c)
   Call: (251) [system] char_type(c, space)
   Call: (251) [system] arg(_663100, v('(', ')', end_of_file), c)
   Call: (250) [system] ')'==c
   Call: (250) [system] get_char((0x56051b6b4f40), c)
   Exit: (250) [system] get_char((0x56051b6b4f40), c)
   Call: (250) [system] c=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _667670)
   Call: (251) [system] peek_char((0x56051b6b4f40), _668604)
   Exit: (251) [system] peek_char((0x56051b6b4f40), t)
^  Call: (251) [user] is_delimiter(t)
   Call: (252) [system] char_type(t, space)
   Call: (252) [system] arg(_672396, v('(', ')', end_of_file), t)
   Call: (251) [system] ')'==t
   Call: (251) [system] get_char((0x56051b6b4f40), t)
   Exit: (251) [system] get_char((0x56051b6b4f40), t)
   Call: (251) [system] t=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _676966)
   Call: (252) [system] peek_char((0x56051b6b4f40), _677900)
   Exit: (252) [system] peek_char((0x56051b6b4f40), i)
^  Call: (252) [user] is_delimiter(i)
   Call: (253) [system] char_type(i, space)
   Call: (253) [system] arg(_681692, v('(', ')', end_of_file), i)
   Call: (252) [system] ')'==i
   Call: (252) [system] get_char((0x56051b6b4f40), i)
   Exit: (252) [system] get_char((0x56051b6b4f40), i)
   Call: (252) [system] i=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _686262)
   Call: (253) [system] peek_char((0x56051b6b4f40), _687196)
   Exit: (253) [system] peek_char((0x56051b6b4f40), o)
^  Call: (253) [user] is_delimiter(o)
   Call: (254) [system] char_type(o, space)
   Call: (254) [system] arg(_690988, v('(', ')', end_of_file), o)
   Call: (253) [system] ')'==o
   Call: (253) [system] get_char((0x56051b6b4f40), o)
   Exit: (253) [system] get_char((0x56051b6b4f40), o)
   Call: (253) [system] o=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _695558)
   Call: (254) [system] peek_char((0x56051b6b4f40), _696492)
   Exit: (254) [system] peek_char((0x56051b6b4f40), n)
^  Call: (254) [user] is_delimiter(n)
   Call: (255) [system] char_type(n, space)
   Call: (255) [system] arg(_700284, v('(', ')', end_of_file), n)
   Call: (254) [system] ')'==n
   Call: (254) [system] get_char((0x56051b6b4f40), n)
   Exit: (254) [system] get_char((0x56051b6b4f40), n)
   Call: (254) [system] n=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _704854)
   Call: (255) [system] peek_char((0x56051b6b4f40), _705788)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (255) [user] is_delimiter('I')
   Call: (256) [system] char_type('I', space)
   Call: (256) [system] arg(_709580, v('(', ')', end_of_file), 'I')
   Call: (255) [system] ')'=='I'
   Call: (255) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (255) [system] get_char((0x56051b6b4f40), 'I')
   Call: (255) [system] 'I'=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _714150)
   Call: (256) [system] peek_char((0x56051b6b4f40), _715084)
   Exit: (256) [system] peek_char((0x56051b6b4f40), n)
^  Call: (256) [user] is_delimiter(n)
   Call: (257) [system] char_type(n, space)
   Call: (257) [system] arg(_718876, v('(', ')', end_of_file), n)
   Call: (256) [system] ')'==n
   Call: (256) [system] get_char((0x56051b6b4f40), n)
   Exit: (256) [system] get_char((0x56051b6b4f40), n)
   Call: (256) [system] n=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _723446)
   Call: (257) [system] peek_char((0x56051b6b4f40), _724380)
   Exit: (257) [system] peek_char((0x56051b6b4f40), t)
^  Call: (257) [user] is_delimiter(t)
   Call: (258) [system] char_type(t, space)
   Call: (258) [system] arg(_728172, v('(', ')', end_of_file), t)
   Call: (257) [system] ')'==t
   Call: (257) [system] get_char((0x56051b6b4f40), t)
   Exit: (257) [system] get_char((0x56051b6b4f40), t)
   Call: (257) [system] t=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _732742)
   Call: (258) [system] peek_char((0x56051b6b4f40), _733676)
   Exit: (258) [system] peek_char((0x56051b6b4f40), r)
^  Call: (258) [user] is_delimiter(r)
   Call: (259) [system] char_type(r, space)
   Call: (259) [system] arg(_737468, v('(', ')', end_of_file), r)
   Call: (258) [system] ')'==r
   Call: (258) [system] get_char((0x56051b6b4f40), r)
   Exit: (258) [system] get_char((0x56051b6b4f40), r)
   Call: (258) [system] r=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _742038)
   Call: (259) [system] peek_char((0x56051b6b4f40), _742972)
   Exit: (259) [system] peek_char((0x56051b6b4f40), o)
^  Call: (259) [user] is_delimiter(o)
   Call: (260) [system] char_type(o, space)
   Call: (260) [system] arg(_746764, v('(', ')', end_of_file), o)
   Call: (259) [system] ')'==o
   Call: (259) [system] get_char((0x56051b6b4f40), o)
   Exit: (259) [system] get_char((0x56051b6b4f40), o)
   Call: (259) [system] o=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _751334)
   Call: (260) [system] peek_char((0x56051b6b4f40), _752268)
   Exit: (260) [system] peek_char((0x56051b6b4f40), d)
^  Call: (260) [user] is_delimiter(d)
   Call: (261) [system] char_type(d, space)
   Call: (261) [system] arg(_756060, v('(', ')', end_of_file), d)
   Call: (260) [system] ')'==d
   Call: (260) [system] get_char((0x56051b6b4f40), d)
   Exit: (260) [system] get_char((0x56051b6b4f40), d)
   Call: (260) [system] d=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _760630)
   Call: (261) [system] peek_char((0x56051b6b4f40), _761564)
   Exit: (261) [system] peek_char((0x56051b6b4f40), u)
^  Call: (261) [user] is_delimiter(u)
   Call: (262) [system] char_type(u, space)
   Call: (262) [system] arg(_765356, v('(', ')', end_of_file), u)
   Call: (261) [system] ')'==u
   Call: (261) [system] get_char((0x56051b6b4f40), u)
   Exit: (261) [system] get_char((0x56051b6b4f40), u)
   Call: (261) [system] u=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _769926)
   Call: (262) [system] peek_char((0x56051b6b4f40), _770860)
   Exit: (262) [system] peek_char((0x56051b6b4f40), c)
^  Call: (262) [user] is_delimiter(c)
   Call: (263) [system] char_type(c, space)
   Call: (263) [system] arg(_774652, v('(', ')', end_of_file), c)
   Call: (262) [system] ')'==c
   Call: (262) [system] get_char((0x56051b6b4f40), c)
   Exit: (262) [system] get_char((0x56051b6b4f40), c)
   Call: (262) [system] c=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _779222)
   Call: (263) [system] peek_char((0x56051b6b4f40), _780156)
   Exit: (263) [system] peek_char((0x56051b6b4f40), t)
^  Call: (263) [user] is_delimiter(t)
   Call: (264) [system] char_type(t, space)
   Call: (264) [system] arg(_783948, v('(', ')', end_of_file), t)
   Call: (263) [system] ')'==t
   Call: (263) [system] get_char((0x56051b6b4f40), t)
   Exit: (263) [system] get_char((0x56051b6b4f40), t)
   Call: (263) [system] t=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _788518)
   Call: (264) [system] peek_char((0x56051b6b4f40), _789452)
   Exit: (264) [system] peek_char((0x56051b6b4f40), i)
^  Call: (264) [user] is_delimiter(i)
   Call: (265) [system] char_type(i, space)
   Call: (265) [system] arg(_793244, v('(', ')', end_of_file), i)
   Call: (264) [system] ')'==i
   Call: (264) [system] get_char((0x56051b6b4f40), i)
   Exit: (264) [system] get_char((0x56051b6b4f40), i)
   Call: (264) [system] i=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _797814)
   Call: (265) [system] peek_char((0x56051b6b4f40), _798748)
   Exit: (265) [system] peek_char((0x56051b6b4f40), o)
^  Call: (265) [user] is_delimiter(o)
   Call: (266) [system] char_type(o, space)
   Call: (266) [system] arg(_802540, v('(', ')', end_of_file), o)
   Call: (265) [system] ')'==o
   Call: (265) [system] get_char((0x56051b6b4f40), o)
   Exit: (265) [system] get_char((0x56051b6b4f40), o)
   Call: (265) [system] o=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _807110)
   Call: (266) [system] peek_char((0x56051b6b4f40), _808044)
   Exit: (266) [system] peek_char((0x56051b6b4f40), n)
^  Call: (266) [user] is_delimiter(n)
   Call: (267) [system] char_type(n, space)
   Call: (267) [system] arg(_811836, v('(', ')', end_of_file), n)
   Call: (266) [system] ')'==n
   Call: (266) [system] get_char((0x56051b6b4f40), n)
   Exit: (266) [system] get_char((0x56051b6b4f40), n)
   Call: (266) [system] n=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _816406)
   Call: (267) [system] peek_char((0x56051b6b4f40), _817340)
   Exit: (267) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (267) [user] is_delimiter(' ')
   Call: (268) [system] char_type(' ', space)
   Exit: (268) [system] char_type(' ', space)
^  Exit: (267) [user] is_delimiter(' ')
   Call: (267) [system] _816406=[]
   Exit: (267) [system] []=[]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (266) [system] _807110=[n]
   Exit: (266) [system] [n]=[n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (265) [system] _797814=[o, n]
   Exit: (265) [system] [o, n]=[o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (264) [system] _788518=[i, o, n]
   Exit: (264) [system] [i, o, n]=[i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (263) [system] _779222=[t, i, o, n]
   Exit: (263) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (262) [system] _769926=[c, t, i, o, n]
   Exit: (262) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (261) [system] _760630=[u, c, t, i, o, n]
   Exit: (261) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (260) [system] _751334=[d, u, c, t, i, o, n]
   Exit: (260) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (259) [system] _742038=[o, d, u, c, t, i, o, n]
   Exit: (259) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (258) [system] _732742=[r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _723446=[t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _714150=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _704854=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _695558=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _686262=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _676966=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _667670=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _658374=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _649078=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _639782=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _630486=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _621190=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (245) [system] _611894=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (245) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (244) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _591350)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_888118, _888120), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _591350), _888094, fail)), '$restore_trace'(_888118, _888120))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_888118, _888120))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _591350), _888094, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(_591350)
   Call: (245) [system] atom_chars(_591350, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (245) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (244) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _896570)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _898428)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _905238)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _907942)
   Exit: (245) [system] peek_char((0x56051b6b4f40), a)
   Call: (245) [system] a=(;)
^  Call: (245) [user] is_like_space(a)
   Call: (246) [system] char_type(a, 'white')
   Call: (246) [system] char_type(a, end_of_line)
   Call: (246) [system] char_type(a, space)
   Call: (246) [system] char_type(a, cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _917334)
   Exit: (243) [system] peek_char((0x56051b6b4f40), a)
   Call: (243) [system] a=')'
   Call: (243) [system] a=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _921048)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _922906)
   Exit: (245) [system] peek_char((0x56051b6b4f40), a)
   Call: (245) [system] a=(;)
^  Call: (245) [user] is_like_space(a)
   Call: (246) [system] char_type(a, 'white')
   Call: (246) [system] char_type(a, end_of_line)
   Call: (246) [system] char_type(a, space)
   Call: (246) [system] char_type(a, cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _931374)
   Exit: (244) [system] get_char((0x56051b6b4f40), a)
   Call: (244) [system] a='('
   Call: (244) [system] a='['
   Call: (244) [system] a='{'
   Call: (244) [system] a='"'
   Call: (244) [system] a=!
   Call: (244) [system] a='\''
   Call: (244) [system] a='`'
   Call: (244) [system] a=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), a, _921048)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _941592)
   Call: (246) [system] peek_char((0x56051b6b4f40), _942526)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _941592=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (245) [user] classify_and_convert_charseq(a, [], _921048)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_951836, _951838), once(user:catch(read_from_chars([a], _921048), _951812, fail)), '$restore_trace'(_951836, _951838))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_951836, _951838))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _951812, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(a)
   Exit: (246) [system] atomic(a)
^  Exit: (245) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _959336)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _961194)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _968004)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _970708)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=(;)
^  Call: (246) [user] is_like_space('(')
   Call: (247) [system] char_type('(', 'white')
   Call: (247) [system] char_type('(', end_of_line)
   Call: (247) [system] char_type('(', space)
   Call: (247) [system] char_type('(', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _980100)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=')'
   Call: (244) [system] '('=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _983814)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _985672)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=(;)
^  Call: (246) [user] is_like_space('(')
   Call: (247) [system] char_type('(', 'white')
   Call: (247) [system] char_type('(', end_of_line)
   Call: (247) [system] char_type('(', space)
   Call: (247) [system] char_type('(', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _994140)
   Exit: (245) [system] get_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('='('
   Exit: (245) [system] '('='('
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _983814)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _999710)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (247) [system] 'D'=(;)
^  Call: (247) [user] is_like_space('D')
   Call: (248) [system] char_type('D', 'white')
   Call: (248) [system] char_type('D', end_of_line)
   Call: (248) [system] char_type('D', space)
   Call: (248) [system] char_type('D', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1008178)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (246) [system] 'D'=')'
   Call: (246) [system] 'D'=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _1011892)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1013750)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (248) [system] 'D'=(;)
^  Call: (248) [user] is_like_space('D')
   Call: (249) [system] char_type('D', 'white')
   Call: (249) [system] char_type('D', end_of_line)
   Call: (249) [system] char_type('D', space)
   Call: (249) [system] char_type('D', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _1022218)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'D')
   Call: (247) [system] 'D'='('
   Call: (247) [system] 'D'='['
   Call: (247) [system] 'D'='{'
   Call: (247) [system] 'D'='"'
   Call: (247) [system] 'D'=!
   Call: (247) [system] 'D'='\''
   Call: (247) [system] 'D'='`'
   Call: (247) [system] 'D'=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1011892)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1032436)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1033370)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_1037162, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1041732)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1042666)
   Exit: (250) [system] peek_char((0x56051b6b4f40), s)
^  Call: (250) [user] is_delimiter(s)
   Call: (251) [system] char_type(s, space)
   Call: (251) [system] arg(_1046458, v('(', ')', end_of_file), s)
   Call: (250) [system] ')'==s
   Call: (250) [system] get_char((0x56051b6b4f40), s)
   Exit: (250) [system] get_char((0x56051b6b4f40), s)
   Call: (250) [system] s=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1051028)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1051962)
   Exit: (251) [system] peek_char((0x56051b6b4f40), j)
^  Call: (251) [user] is_delimiter(j)
   Call: (252) [system] char_type(j, space)
   Call: (252) [system] arg(_1055754, v('(', ')', end_of_file), j)
   Call: (251) [system] ')'==j
   Call: (251) [system] get_char((0x56051b6b4f40), j)
   Exit: (251) [system] get_char((0x56051b6b4f40), j)
   Call: (251) [system] j=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1060324)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1061258)
   Exit: (252) [system] peek_char((0x56051b6b4f40), u)
^  Call: (252) [user] is_delimiter(u)
   Call: (253) [system] char_type(u, space)
   Call: (253) [system] arg(_1065050, v('(', ')', end_of_file), u)
   Call: (252) [system] ')'==u
   Call: (252) [system] get_char((0x56051b6b4f40), u)
   Exit: (252) [system] get_char((0x56051b6b4f40), u)
   Call: (252) [system] u=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1069620)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1070554)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1074346, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1078916)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1079850)
   Exit: (254) [system] peek_char((0x56051b6b4f40), c)
^  Call: (254) [user] is_delimiter(c)
   Call: (255) [system] char_type(c, space)
   Call: (255) [system] arg(_1083642, v('(', ')', end_of_file), c)
   Call: (254) [system] ')'==c
   Call: (254) [system] get_char((0x56051b6b4f40), c)
   Exit: (254) [system] get_char((0x56051b6b4f40), c)
   Call: (254) [system] c=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1088212)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1089146)
   Exit: (255) [system] peek_char((0x56051b6b4f40), t)
^  Call: (255) [user] is_delimiter(t)
   Call: (256) [system] char_type(t, space)
   Call: (256) [system] arg(_1092938, v('(', ')', end_of_file), t)
   Call: (255) [system] ')'==t
   Call: (255) [system] get_char((0x56051b6b4f40), t)
   Exit: (255) [system] get_char((0x56051b6b4f40), t)
   Call: (255) [system] t=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1097508)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1098442)
   Exit: (256) [system] peek_char((0x56051b6b4f40), i)
^  Call: (256) [user] is_delimiter(i)
   Call: (257) [system] char_type(i, space)
   Call: (257) [system] arg(_1102234, v('(', ')', end_of_file), i)
   Call: (256) [system] ')'==i
   Call: (256) [system] get_char((0x56051b6b4f40), i)
   Exit: (256) [system] get_char((0x56051b6b4f40), i)
   Call: (256) [system] i=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1106804)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1107738)
   Exit: (257) [system] peek_char((0x56051b6b4f40), o)
^  Call: (257) [user] is_delimiter(o)
   Call: (258) [system] char_type(o, space)
   Call: (258) [system] arg(_1111530, v('(', ')', end_of_file), o)
   Call: (257) [system] ')'==o
   Call: (257) [system] get_char((0x56051b6b4f40), o)
   Exit: (257) [system] get_char((0x56051b6b4f40), o)
   Call: (257) [system] o=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1116100)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1117034)
   Exit: (258) [system] peek_char((0x56051b6b4f40), n)
^  Call: (258) [user] is_delimiter(n)
   Call: (259) [system] char_type(n, space)
   Call: (259) [system] arg(_1120826, v('(', ')', end_of_file), n)
   Call: (258) [system] ')'==n
   Call: (258) [system] get_char((0x56051b6b4f40), n)
   Exit: (258) [system] get_char((0x56051b6b4f40), n)
   Call: (258) [system] n=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1125396)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1126330)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (259) [user] is_delimiter('I')
   Call: (260) [system] char_type('I', space)
   Call: (260) [system] arg(_1130122, v('(', ')', end_of_file), 'I')
   Call: (259) [system] ')'=='I'
   Call: (259) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (259) [system] get_char((0x56051b6b4f40), 'I')
   Call: (259) [system] 'I'=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1134692)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1135626)
   Exit: (260) [system] peek_char((0x56051b6b4f40), n)
^  Call: (260) [user] is_delimiter(n)
   Call: (261) [system] char_type(n, space)
   Call: (261) [system] arg(_1139418, v('(', ')', end_of_file), n)
   Call: (260) [system] ')'==n
   Call: (260) [system] get_char((0x56051b6b4f40), n)
   Exit: (260) [system] get_char((0x56051b6b4f40), n)
   Call: (260) [system] n=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1143988)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1144922)
   Exit: (261) [system] peek_char((0x56051b6b4f40), t)
^  Call: (261) [user] is_delimiter(t)
   Call: (262) [system] char_type(t, space)
   Call: (262) [system] arg(_1148714, v('(', ')', end_of_file), t)
   Call: (261) [system] ')'==t
   Call: (261) [system] get_char((0x56051b6b4f40), t)
   Exit: (261) [system] get_char((0x56051b6b4f40), t)
   Call: (261) [system] t=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1153284)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1154218)
   Exit: (262) [system] peek_char((0x56051b6b4f40), r)
^  Call: (262) [user] is_delimiter(r)
   Call: (263) [system] char_type(r, space)
   Call: (263) [system] arg(_1158010, v('(', ')', end_of_file), r)
   Call: (262) [system] ')'==r
   Call: (262) [system] get_char((0x56051b6b4f40), r)
   Exit: (262) [system] get_char((0x56051b6b4f40), r)
   Call: (262) [system] r=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1162580)
   Call: (263) [system] peek_char((0x56051b6b4f40), _1163514)
   Exit: (263) [system] peek_char((0x56051b6b4f40), o)
^  Call: (263) [user] is_delimiter(o)
   Call: (264) [system] char_type(o, space)
   Call: (264) [system] arg(_1167306, v('(', ')', end_of_file), o)
   Call: (263) [system] ')'==o
   Call: (263) [system] get_char((0x56051b6b4f40), o)
   Exit: (263) [system] get_char((0x56051b6b4f40), o)
   Call: (263) [system] o=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1171876)
   Call: (264) [system] peek_char((0x56051b6b4f40), _1172810)
   Exit: (264) [system] peek_char((0x56051b6b4f40), d)
^  Call: (264) [user] is_delimiter(d)
   Call: (265) [system] char_type(d, space)
   Call: (265) [system] arg(_1176602, v('(', ')', end_of_file), d)
   Call: (264) [system] ')'==d
   Call: (264) [system] get_char((0x56051b6b4f40), d)
   Exit: (264) [system] get_char((0x56051b6b4f40), d)
   Call: (264) [system] d=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1181172)
   Call: (265) [system] peek_char((0x56051b6b4f40), _1182106)
   Exit: (265) [system] peek_char((0x56051b6b4f40), u)
^  Call: (265) [user] is_delimiter(u)
   Call: (266) [system] char_type(u, space)
   Call: (266) [system] arg(_1185898, v('(', ')', end_of_file), u)
   Call: (265) [system] ')'==u
   Call: (265) [system] get_char((0x56051b6b4f40), u)
   Exit: (265) [system] get_char((0x56051b6b4f40), u)
   Call: (265) [system] u=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1190468)
   Call: (266) [system] peek_char((0x56051b6b4f40), _1191402)
   Exit: (266) [system] peek_char((0x56051b6b4f40), c)
^  Call: (266) [user] is_delimiter(c)
   Call: (267) [system] char_type(c, space)
   Call: (267) [system] arg(_1195194, v('(', ')', end_of_file), c)
   Call: (266) [system] ')'==c
   Call: (266) [system] get_char((0x56051b6b4f40), c)
   Exit: (266) [system] get_char((0x56051b6b4f40), c)
   Call: (266) [system] c=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1199764)
   Call: (267) [system] peek_char((0x56051b6b4f40), _1200698)
   Exit: (267) [system] peek_char((0x56051b6b4f40), t)
^  Call: (267) [user] is_delimiter(t)
   Call: (268) [system] char_type(t, space)
   Call: (268) [system] arg(_1204490, v('(', ')', end_of_file), t)
   Call: (267) [system] ')'==t
   Call: (267) [system] get_char((0x56051b6b4f40), t)
   Exit: (267) [system] get_char((0x56051b6b4f40), t)
   Call: (267) [system] t=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1209060)
   Call: (268) [system] peek_char((0x56051b6b4f40), _1209994)
   Exit: (268) [system] peek_char((0x56051b6b4f40), i)
^  Call: (268) [user] is_delimiter(i)
   Call: (269) [system] char_type(i, space)
   Call: (269) [system] arg(_1213786, v('(', ')', end_of_file), i)
   Call: (268) [system] ')'==i
   Call: (268) [system] get_char((0x56051b6b4f40), i)
   Exit: (268) [system] get_char((0x56051b6b4f40), i)
   Call: (268) [system] i=(\)
^  Call: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1218356)
   Call: (269) [system] peek_char((0x56051b6b4f40), _1219290)
   Exit: (269) [system] peek_char((0x56051b6b4f40), o)
^  Call: (269) [user] is_delimiter(o)
   Call: (270) [system] char_type(o, space)
   Call: (270) [system] arg(_1223082, v('(', ')', end_of_file), o)
   Call: (269) [system] ')'==o
   Call: (269) [system] get_char((0x56051b6b4f40), o)
   Exit: (269) [system] get_char((0x56051b6b4f40), o)
   Call: (269) [system] o=(\)
^  Call: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1227652)
   Call: (270) [system] peek_char((0x56051b6b4f40), _1228586)
   Exit: (270) [system] peek_char((0x56051b6b4f40), n)
^  Call: (270) [user] is_delimiter(n)
   Call: (271) [system] char_type(n, space)
   Call: (271) [system] arg(_1232378, v('(', ')', end_of_file), n)
   Call: (270) [system] ')'==n
   Call: (270) [system] get_char((0x56051b6b4f40), n)
   Exit: (270) [system] get_char((0x56051b6b4f40), n)
   Call: (270) [system] n=(\)
^  Call: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1236948)
   Call: (271) [system] peek_char((0x56051b6b4f40), _1237882)
   Exit: (271) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (271) [user] is_delimiter(' ')
   Call: (272) [system] char_type(' ', space)
   Exit: (272) [system] char_type(' ', space)
^  Exit: (271) [user] is_delimiter(' ')
   Call: (271) [system] _1236948=[]
   Exit: (271) [system] []=[]
^  Exit: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (270) [system] _1227652=[n]
   Exit: (270) [system] [n]=[n]
^  Exit: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (269) [system] _1218356=[o, n]
   Exit: (269) [system] [o, n]=[o, n]
^  Exit: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (268) [system] _1209060=[i, o, n]
   Exit: (268) [system] [i, o, n]=[i, o, n]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (267) [system] _1199764=[t, i, o, n]
   Exit: (267) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (266) [system] _1190468=[c, t, i, o, n]
   Exit: (266) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (265) [system] _1181172=[u, c, t, i, o, n]
   Exit: (265) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (264) [system] _1171876=[d, u, c, t, i, o, n]
   Exit: (264) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (263) [system] _1162580=[o, d, u, c, t, i, o, n]
   Exit: (263) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (262) [system] _1153284=[r, o, d, u, c, t, i, o, n]
   Exit: (262) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (261) [system] _1143988=[t, r, o, d, u, c, t, i, o, n]
   Exit: (261) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (260) [system] _1134692=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (260) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (259) [system] _1125396=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _1116100=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _1106804=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _1097508=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _1088212=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _1078916=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _1069620=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _1060324=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _1051028=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _1041732=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _1032436=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (248) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1011892)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_1308660, _1308662), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1011892), _1308636, fail)), '$restore_trace'(_1308660, _1308662))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_1308660, _1308662))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1011892), _1308636, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(_1011892)
   Call: (249) [system] atom_chars(_1011892, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (249) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (248) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1317112)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1318970)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (248) [system] ' '=(;)
^  Call: (248) [user] is_like_space(' ')
   Call: (249) [system] char_type(' ', 'white')
   Exit: (249) [system] char_type(' ', 'white')
^  Exit: (248) [user] is_like_space(' ')
   Call: (248) [system] get_char((0x56051b6b4f40), _1325780)
   Exit: (248) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1328484)
   Exit: (249) [system] peek_char((0x56051b6b4f40), a)
   Call: (249) [system] a=(;)
^  Call: (249) [user] is_like_space(a)
   Call: (250) [system] char_type(a, 'white')
   Call: (250) [system] char_type(a, end_of_line)
   Call: (250) [system] char_type(a, space)
   Call: (250) [system] char_type(a, cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1337876)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
   Call: (247) [system] a=')'
   Call: (247) [system] a=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _1341590)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1343448)
   Exit: (249) [system] peek_char((0x56051b6b4f40), a)
   Call: (249) [system] a=(;)
^  Call: (249) [user] is_like_space(a)
   Call: (250) [system] char_type(a, 'white')
   Call: (250) [system] char_type(a, end_of_line)
   Call: (250) [system] char_type(a, space)
   Call: (250) [system] char_type(a, cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _1351916)
   Exit: (248) [system] get_char((0x56051b6b4f40), a)
   Call: (248) [system] a='('
   Call: (248) [system] a='['
   Call: (248) [system] a='{'
   Call: (248) [system] a='"'
   Call: (248) [system] a=!
   Call: (248) [system] a='\''
   Call: (248) [system] a='`'
   Call: (248) [system] a=end_of_file
^  Call: (248) [user] read_symbolic(')', (0x56051b6b4f40), a, _1341590)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1362134)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1363068)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _1362134=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (249) [user] classify_and_convert_charseq(a, [], _1341590)
^  Call: (251) [system] setup_call_cleanup('$notrace'(_1372378, _1372380), once(user:catch(read_from_chars([a], _1341590), _1372354, fail)), '$restore_trace'(_1372378, _1372380))
^  Call: (252) [system] sig_atomic(system:'$notrace'(_1372378, _1372380))
^  Exit: (251) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1372354, fail)), system:'$restore_trace'(3, -1))
   Call: (250) [system] atomic(a)
   Exit: (250) [system] atomic(a)
^  Exit: (249) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (248) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1379878)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1381736)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (249) [system] ' '=(;)
^  Call: (249) [user] is_like_space(' ')
   Call: (250) [system] char_type(' ', 'white')
   Exit: (250) [system] char_type(' ', 'white')
^  Exit: (249) [user] is_like_space(' ')
   Call: (249) [system] get_char((0x56051b6b4f40), _1388546)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1391250)
   Exit: (250) [system] peek_char((0x56051b6b4f40), a)
   Call: (250) [system] a=(;)
^  Call: (250) [user] is_like_space(a)
   Call: (251) [system] char_type(a, 'white')
   Call: (251) [system] char_type(a, end_of_line)
   Call: (251) [system] char_type(a, space)
   Call: (251) [system] char_type(a, cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1400642)
   Exit: (248) [system] peek_char((0x56051b6b4f40), a)
   Call: (248) [system] a=')'
   Call: (248) [system] a=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _1404356)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1406214)
   Exit: (250) [system] peek_char((0x56051b6b4f40), a)
   Call: (250) [system] a=(;)
^  Call: (250) [user] is_like_space(a)
   Call: (251) [system] char_type(a, 'white')
   Call: (251) [system] char_type(a, end_of_line)
   Call: (251) [system] char_type(a, space)
   Call: (251) [system] char_type(a, cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _1414682)
   Exit: (249) [system] get_char((0x56051b6b4f40), a)
   Call: (249) [system] a='('
   Call: (249) [system] a='['
   Call: (249) [system] a='{'
   Call: (249) [system] a='"'
   Call: (249) [system] a=!
   Call: (249) [system] a='\''
   Call: (249) [system] a='`'
   Call: (249) [system] a=end_of_file
^  Call: (249) [user] read_symbolic(')', (0x56051b6b4f40), a, _1404356)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1424900)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1425834)
   Exit: (251) [system] peek_char((0x56051b6b4f40), b)
^  Call: (251) [user] is_delimiter(b)
   Call: (252) [system] char_type(b, space)
   Call: (252) [system] arg(_1429626, v('(', ')', end_of_file), b)
   Call: (251) [system] ')'==b
   Call: (251) [system] get_char((0x56051b6b4f40), b)
   Exit: (251) [system] get_char((0x56051b6b4f40), b)
   Call: (251) [system] b=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1434196)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1435130)
   Exit: (252) [system] peek_char((0x56051b6b4f40), c)
^  Call: (252) [user] is_delimiter(c)
   Call: (253) [system] char_type(c, space)
   Call: (253) [system] arg(_1438922, v('(', ')', end_of_file), c)
   Call: (252) [system] ')'==c
   Call: (252) [system] get_char((0x56051b6b4f40), c)
   Exit: (252) [system] get_char((0x56051b6b4f40), c)
   Call: (252) [system] c=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1443492)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1444426)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (253) [user] is_delimiter(')')
   Call: (254) [system] char_type(')', space)
   Call: (254) [system] arg(_1448218, v('(', ')', end_of_file), ')')
   Exit: (254) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (253) [user] is_delimiter(')')
   Call: (253) [system] _1443492=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (252) [system] _1434196=[c]
   Exit: (252) [system] [c]=[c]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (251) [system] _1424900=[b, c]
   Exit: (251) [system] [b, c]=[b, c]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (250) [user] classify_and_convert_charseq(a, [b, c], _1404356)
^  Call: (252) [system] setup_call_cleanup('$notrace'(_1460268, _1460270), once(user:catch(read_from_chars([a, b, c], _1404356), _1460244, fail)), '$restore_trace'(_1460268, _1460270))
^  Call: (253) [system] sig_atomic(system:'$notrace'(_1460268, _1460270))
^  Exit: (252) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _1460244, fail)), system:'$restore_trace'(3, -1))
   Call: (251) [system] atomic(abc)
   Exit: (251) [system] atomic(abc)
^  Exit: (250) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (249) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1467768)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1469626)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
   Call: (250) [system] ')'=(;)
^  Call: (250) [user] is_like_space(')')
   Call: (251) [system] char_type(')', 'white')
   Call: (251) [system] char_type(')', end_of_line)
   Call: (251) [system] char_type(')', space)
   Call: (251) [system] char_type(')', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1478094)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
   Call: (249) [system] ')'=')'
   Exit: (249) [system] ')'=')'
   Call: (249) [system] get_char((0x56051b6b4f40), _1481884)
   Exit: (249) [system] get_char((0x56051b6b4f40), ')')
   Call: (249) [system] _1467768=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (248) [system] _1379878=[abc]
   Exit: (248) [system] [abc]=[abc]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (247) [system] _1317112=[a, abc]
   Exit: (247) [system] [a, abc]=[a, abc]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [a, abc])
   Call: (246) [system] _983814=['DisjunctionIntroduction', a, abc]
   Exit: (246) [system] ['DisjunctionIntroduction', a, abc]=['DisjunctionIntroduction', a, abc]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, abc])
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _1495766)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1497624)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=(;)
^  Call: (246) [user] is_like_space(')')
   Call: (247) [system] char_type(')', 'white')
   Call: (247) [system] char_type(')', end_of_line)
   Call: (247) [system] char_type(')', space)
   Call: (247) [system] char_type(')', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1506092)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=')'
   Exit: (245) [system] ')'=')'
   Call: (245) [system] get_char((0x56051b6b4f40), _1509882)
   Exit: (245) [system] get_char((0x56051b6b4f40), ')')
   Call: (245) [system] _1495766=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (244) [system] _959336=[['DisjunctionIntroduction', a, abc]]
   Exit: (244) [system] [['DisjunctionIntroduction', a, abc]]=[['DisjunctionIntroduction', a, abc]]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, abc]])
   Call: (243) [system] _896570=[a, ['DisjunctionIntroduction', a, abc]]
   Exit: (243) [system] [a, ['DisjunctionIntroduction', a, abc]]=[a, ['DisjunctionIntroduction', a, abc]]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [a, ['DisjunctionIntroduction', a, abc]])
   Call: (242) [system] _563272=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]]
   Exit: (242) [system] ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]]=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]])
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]])
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _1523764)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1525622)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _1532432)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1535136)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=(;)
^  Call: (243) [user] is_like_space('(')
   Call: (244) [system] char_type('(', 'white')
   Call: (244) [system] char_type('(', end_of_line)
   Call: (244) [system] char_type('(', space)
   Call: (244) [system] char_type('(', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1544528)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=')'
   Call: (241) [system] '('=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _1548242)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1550100)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=(;)
^  Call: (243) [user] is_like_space('(')
   Call: (244) [system] char_type('(', 'white')
   Call: (244) [system] char_type('(', end_of_line)
   Call: (244) [system] char_type('(', space)
   Call: (244) [system] char_type('(', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _1558568)
   Exit: (242) [system] get_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('='('
   Exit: (242) [system] '('='('
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1548242)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1564138)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (244) [system] 'O'=(;)
^  Call: (244) [user] is_like_space('O')
   Call: (245) [system] char_type('O', 'white')
   Call: (245) [system] char_type('O', end_of_line)
   Call: (245) [system] char_type('O', space)
   Call: (245) [system] char_type('O', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1572606)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (243) [system] 'O'=')'
   Call: (243) [system] 'O'=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _1576320)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1578178)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'=(;)
^  Call: (245) [user] is_like_space('O')
   Call: (246) [system] char_type('O', 'white')
   Call: (246) [system] char_type('O', end_of_line)
   Call: (246) [system] char_type('O', space)
   Call: (246) [system] char_type('O', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _1586646)
   Exit: (244) [system] get_char((0x56051b6b4f40), 'O')
   Call: (244) [system] 'O'='('
   Call: (244) [system] 'O'='['
   Call: (244) [system] 'O'='{'
   Call: (244) [system] 'O'='"'
   Call: (244) [system] 'O'=!
   Call: (244) [system] 'O'='\''
   Call: (244) [system] 'O'='`'
   Call: (244) [system] 'O'=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1576320)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1596864)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1597798)
   Exit: (246) [system] peek_char((0x56051b6b4f40), r)
^  Call: (246) [user] is_delimiter(r)
   Call: (247) [system] char_type(r, space)
   Call: (247) [system] arg(_1601590, v('(', ')', end_of_file), r)
   Call: (246) [system] ')'==r
   Call: (246) [system] get_char((0x56051b6b4f40), r)
   Exit: (246) [system] get_char((0x56051b6b4f40), r)
   Call: (246) [system] r=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1606160)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1607094)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (247) [user] is_delimiter('L')
   Call: (248) [system] char_type('L', space)
   Call: (248) [system] arg(_1610886, v('(', ')', end_of_file), 'L')
   Call: (247) [system] ')'=='L'
   Call: (247) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (247) [system] get_char((0x56051b6b4f40), 'L')
   Call: (247) [system] 'L'=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1615456)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1616390)
   Exit: (248) [system] peek_char((0x56051b6b4f40), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_1620182, v('(', ')', end_of_file), i)
   Call: (248) [system] ')'==i
   Call: (248) [system] get_char((0x56051b6b4f40), i)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1624752)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1625686)
   Exit: (249) [system] peek_char((0x56051b6b4f40), n)
^  Call: (249) [user] is_delimiter(n)
   Call: (250) [system] char_type(n, space)
   Call: (250) [system] arg(_1629478, v('(', ')', end_of_file), n)
   Call: (249) [system] ')'==n
   Call: (249) [system] get_char((0x56051b6b4f40), n)
   Exit: (249) [system] get_char((0x56051b6b4f40), n)
   Call: (249) [system] n=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1634048)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1634982)
   Exit: (250) [system] peek_char((0x56051b6b4f40), k)
^  Call: (250) [user] is_delimiter(k)
   Call: (251) [system] char_type(k, space)
   Call: (251) [system] arg(_1638774, v('(', ')', end_of_file), k)
   Call: (250) [system] ')'==k
   Call: (250) [system] get_char((0x56051b6b4f40), k)
   Exit: (250) [system] get_char((0x56051b6b4f40), k)
   Call: (250) [system] k=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1643344)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1644278)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _1643344=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (250) [system] _1634048=[k]
   Exit: (250) [system] [k]=[k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (249) [system] _1624752=[n, k]
   Exit: (249) [system] [n, k]=[n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (248) [system] _1615456=[i, n, k]
   Exit: (248) [system] [i, n, k]=[i, n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (247) [system] _1606160=['L', i, n, k]
   Exit: (247) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (246) [system] _1596864=[r, 'L', i, n, k]
   Exit: (246) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (245) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1576320)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_1667558, _1667560), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1576320), _1667534, fail)), '$restore_trace'(_1667558, _1667560))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_1667558, _1667560))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1576320), _1667534, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(_1576320)
   Call: (246) [system] atom_chars(_1576320, ['O', r, 'L', i, n, k])
   Exit: (246) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (245) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1676010)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1677868)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _1684678)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1687382)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (246) [system] 'B'=(;)
^  Call: (246) [user] is_like_space('B')
   Call: (247) [system] char_type('B', 'white')
   Call: (247) [system] char_type('B', end_of_line)
   Call: (247) [system] char_type('B', space)
   Call: (247) [system] char_type('B', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1696774)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (244) [system] 'B'=')'
   Call: (244) [system] 'B'=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _1700488)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1702346)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (246) [system] 'B'=(;)
^  Call: (246) [user] is_like_space('B')
   Call: (247) [system] char_type('B', 'white')
   Call: (247) [system] char_type('B', end_of_line)
   Call: (247) [system] char_type('B', space)
   Call: (247) [system] char_type('B', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _1710814)
   Exit: (245) [system] get_char((0x56051b6b4f40), 'B')
   Call: (245) [system] 'B'='('
   Call: (245) [system] 'B'='['
   Call: (245) [system] 'B'='{'
   Call: (245) [system] 'B'='"'
   Call: (245) [system] 'B'=!
   Call: (245) [system] 'B'='\''
   Call: (245) [system] 'B'='`'
   Call: (245) [system] 'B'=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1700488)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1721032)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1721966)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1721032=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (246) [user] classify_and_convert_charseq('B', [], _1700488)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_1731276, _1731278), once(user:catch(read_from_chars(['B'], _1700488), _1731252, fail)), '$restore_trace'(_1731276, _1731278))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_1731276, _1731278))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1700488), _1731252, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(_1700488)
   Call: (247) [system] atom_chars(_1700488, ['B'])
   Exit: (247) [system] atom_chars('B', ['B'])
^  Exit: (246) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _1739728)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1741586)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _1748396)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1751100)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=(;)
^  Call: (247) [user] is_like_space('(')
   Call: (248) [system] char_type('(', 'white')
   Call: (248) [system] char_type('(', end_of_line)
   Call: (248) [system] char_type('(', space)
   Call: (248) [system] char_type('(', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1760492)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=')'
   Call: (245) [system] '('=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _1764206)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1766064)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=(;)
^  Call: (247) [user] is_like_space('(')
   Call: (248) [system] char_type('(', 'white')
   Call: (248) [system] char_type('(', end_of_line)
   Call: (248) [system] char_type('(', space)
   Call: (248) [system] char_type('(', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _1774532)
   Exit: (246) [system] get_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('='('
   Exit: (246) [system] '('='('
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1764206)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1780102)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (248) [system] 'O'=(;)
^  Call: (248) [user] is_like_space('O')
   Call: (249) [system] char_type('O', 'white')
   Call: (249) [system] char_type('O', end_of_line)
   Call: (249) [system] char_type('O', space)
   Call: (249) [system] char_type('O', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1788570)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (247) [system] 'O'=')'
   Call: (247) [system] 'O'=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _1792284)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1794142)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (249) [system] 'O'=(;)
^  Call: (249) [user] is_like_space('O')
   Call: (250) [system] char_type('O', 'white')
   Call: (250) [system] char_type('O', end_of_line)
   Call: (250) [system] char_type('O', space)
   Call: (250) [system] char_type('O', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _1802610)
   Exit: (248) [system] get_char((0x56051b6b4f40), 'O')
   Call: (248) [system] 'O'='('
   Call: (248) [system] 'O'='['
   Call: (248) [system] 'O'='{'
   Call: (248) [system] 'O'='"'
   Call: (248) [system] 'O'=!
   Call: (248) [system] 'O'='\''
   Call: (248) [system] 'O'='`'
   Call: (248) [system] 'O'=end_of_file
^  Call: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1792284)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1812828)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1813762)
   Exit: (250) [system] peek_char((0x56051b6b4f40), r)
^  Call: (250) [user] is_delimiter(r)
   Call: (251) [system] char_type(r, space)
   Call: (251) [system] arg(_1817554, v('(', ')', end_of_file), r)
   Call: (250) [system] ')'==r
   Call: (250) [system] get_char((0x56051b6b4f40), r)
   Exit: (250) [system] get_char((0x56051b6b4f40), r)
   Call: (250) [system] r=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1822124)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1823058)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (251) [user] is_delimiter('L')
   Call: (252) [system] char_type('L', space)
   Call: (252) [system] arg(_1826850, v('(', ')', end_of_file), 'L')
   Call: (251) [system] ')'=='L'
   Call: (251) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (251) [system] get_char((0x56051b6b4f40), 'L')
   Call: (251) [system] 'L'=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1831420)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1832354)
   Exit: (252) [system] peek_char((0x56051b6b4f40), i)
^  Call: (252) [user] is_delimiter(i)
   Call: (253) [system] char_type(i, space)
   Call: (253) [system] arg(_1836146, v('(', ')', end_of_file), i)
   Call: (252) [system] ')'==i
   Call: (252) [system] get_char((0x56051b6b4f40), i)
   Exit: (252) [system] get_char((0x56051b6b4f40), i)
   Call: (252) [system] i=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1840716)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1841650)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1845442, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1850012)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1850946)
   Exit: (254) [system] peek_char((0x56051b6b4f40), k)
^  Call: (254) [user] is_delimiter(k)
   Call: (255) [system] char_type(k, space)
   Call: (255) [system] arg(_1854738, v('(', ')', end_of_file), k)
   Call: (254) [system] ')'==k
   Call: (254) [system] get_char((0x56051b6b4f40), k)
   Exit: (254) [system] get_char((0x56051b6b4f40), k)
   Call: (254) [system] k=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1859308)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1860242)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (255) [user] is_delimiter(' ')
   Call: (256) [system] char_type(' ', space)
   Exit: (256) [system] char_type(' ', space)
^  Exit: (255) [user] is_delimiter(' ')
   Call: (255) [system] _1859308=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (254) [system] _1850012=[k]
   Exit: (254) [system] [k]=[k]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (253) [system] _1840716=[n, k]
   Exit: (253) [system] [n, k]=[n, k]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (252) [system] _1831420=[i, n, k]
   Exit: (252) [system] [i, n, k]=[i, n, k]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (251) [system] _1822124=['L', i, n, k]
   Exit: (251) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (250) [system] _1812828=[r, 'L', i, n, k]
   Exit: (250) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (249) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1792284)
^  Call: (251) [system] setup_call_cleanup('$notrace'(_1883522, _1883524), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1792284), _1883498, fail)), '$restore_trace'(_1883522, _1883524))
^  Call: (252) [system] sig_atomic(system:'$notrace'(_1883522, _1883524))
^  Exit: (251) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1792284), _1883498, fail)), system:'$restore_trace'(3, -1))
   Call: (250) [system] atomic(_1792284)
   Call: (250) [system] atom_chars(_1792284, ['O', r, 'L', i, n, k])
   Exit: (250) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (249) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1891974)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1893832)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (249) [system] ' '=(;)
^  Call: (249) [user] is_like_space(' ')
   Call: (250) [system] char_type(' ', 'white')
   Exit: (250) [system] char_type(' ', 'white')
^  Exit: (249) [user] is_like_space(' ')
   Call: (249) [system] get_char((0x56051b6b4f40), _1900642)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1903346)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (250) [system] 'B'=(;)
^  Call: (250) [user] is_like_space('B')
   Call: (251) [system] char_type('B', 'white')
   Call: (251) [system] char_type('B', end_of_line)
   Call: (251) [system] char_type('B', space)
   Call: (251) [system] char_type('B', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1912738)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (248) [system] 'B'=')'
   Call: (248) [system] 'B'=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _1916452)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1918310)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (250) [system] 'B'=(;)
^  Call: (250) [user] is_like_space('B')
   Call: (251) [system] char_type('B', 'white')
   Call: (251) [system] char_type('B', end_of_line)
   Call: (251) [system] char_type('B', space)
   Call: (251) [system] char_type('B', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _1926778)
   Exit: (249) [system] get_char((0x56051b6b4f40), 'B')
   Call: (249) [system] 'B'='('
   Call: (249) [system] 'B'='['
   Call: (249) [system] 'B'='{'
   Call: (249) [system] 'B'='"'
   Call: (249) [system] 'B'=!
   Call: (249) [system] 'B'='\''
   Call: (249) [system] 'B'='`'
   Call: (249) [system] 'B'=end_of_file
^  Call: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1916452)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1936996)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1937930)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _1936996=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (250) [user] classify_and_convert_charseq('B', [], _1916452)
^  Call: (252) [system] setup_call_cleanup('$notrace'(_1947240, _1947242), once(user:catch(read_from_chars(['B'], _1916452), _1947216, fail)), '$restore_trace'(_1947240, _1947242))
^  Call: (253) [system] sig_atomic(system:'$notrace'(_1947240, _1947242))
^  Exit: (252) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1916452), _1947216, fail)), system:'$restore_trace'(3, -1))
   Call: (251) [system] atomic(_1916452)
   Call: (251) [system] atom_chars(_1916452, ['B'])
   Exit: (251) [system] atom_chars('B', ['B'])
^  Exit: (250) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1955692)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1957550)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (250) [system] ' '=(;)
^  Call: (250) [user] is_like_space(' ')
   Call: (251) [system] char_type(' ', 'white')
   Exit: (251) [system] char_type(' ', 'white')
^  Exit: (250) [user] is_like_space(' ')
   Call: (250) [system] get_char((0x56051b6b4f40), _1964360)
   Exit: (250) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1967064)
   Exit: (251) [system] peek_char((0x56051b6b4f40), '(')
   Call: (251) [system] '('=(;)
^  Call: (251) [user] is_like_space('(')
   Call: (252) [system] char_type('(', 'white')
   Call: (252) [system] char_type('(', end_of_line)
   Call: (252) [system] char_type('(', space)
   Call: (252) [system] char_type('(', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1976456)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=')'
   Call: (249) [system] '('=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _1980170)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1982028)
   Exit: (251) [system] peek_char((0x56051b6b4f40), '(')
   Call: (251) [system] '('=(;)
^  Call: (251) [user] is_like_space('(')
   Call: (252) [system] char_type('(', 'white')
   Call: (252) [system] char_type('(', end_of_line)
   Call: (252) [system] char_type('(', space)
   Call: (252) [system] char_type('(', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _1990496)
   Exit: (250) [system] get_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('='('
   Exit: (250) [system] '('='('
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _1980170)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1996066)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (252) [system] 'I'=(;)
^  Call: (252) [user] is_like_space('I')
   Call: (253) [system] char_type('I', 'white')
   Call: (253) [system] char_type('I', end_of_line)
   Call: (253) [system] char_type('I', space)
   Call: (253) [system] char_type('I', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _2004534)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (251) [system] 'I'=')'
   Call: (251) [system] 'I'=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _2008248)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _2010106)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (253) [system] 'I'=(;)
^  Call: (253) [user] is_like_space('I')
   Call: (254) [system] char_type('I', 'white')
   Call: (254) [system] char_type('I', end_of_line)
   Call: (254) [system] char_type('I', space)
   Call: (254) [system] char_type('I', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _2018574)
   Exit: (252) [system] get_char((0x56051b6b4f40), 'I')
   Call: (252) [system] 'I'='('
   Call: (252) [system] 'I'='['
   Call: (252) [system] 'I'='{'
   Call: (252) [system] 'I'='"'
   Call: (252) [system] 'I'=!
   Call: (252) [system] 'I'='\''
   Call: (252) [system] 'I'='`'
   Call: (252) [system] 'I'=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _2008248)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2028792)
   Call: (254) [system] peek_char((0x56051b6b4f40), _2029726)
   Exit: (254) [system] peek_char((0x56051b6b4f40), m)
^  Call: (254) [user] is_delimiter(m)
   Call: (255) [system] char_type(m, space)
   Call: (255) [system] arg(_2033518, v('(', ')', end_of_file), m)
   Call: (254) [system] ')'==m
   Call: (254) [system] get_char((0x56051b6b4f40), m)
   Exit: (254) [system] get_char((0x56051b6b4f40), m)
   Call: (254) [system] m=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2038088)
   Call: (255) [system] peek_char((0x56051b6b4f40), _2039022)
   Exit: (255) [system] peek_char((0x56051b6b4f40), p)
^  Call: (255) [user] is_delimiter(p)
   Call: (256) [system] char_type(p, space)
   Call: (256) [system] arg(_2042814, v('(', ')', end_of_file), p)
   Call: (255) [system] ')'==p
   Call: (255) [system] get_char((0x56051b6b4f40), p)
   Exit: (255) [system] get_char((0x56051b6b4f40), p)
   Call: (255) [system] p=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2047384)
   Call: (256) [system] peek_char((0x56051b6b4f40), _2048318)
   Exit: (256) [system] peek_char((0x56051b6b4f40), l)
^  Call: (256) [user] is_delimiter(l)
   Call: (257) [system] char_type(l, space)
   Call: (257) [system] arg(_2052110, v('(', ')', end_of_file), l)
   Call: (256) [system] ')'==l
   Call: (256) [system] get_char((0x56051b6b4f40), l)
   Exit: (256) [system] get_char((0x56051b6b4f40), l)
   Call: (256) [system] l=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2056680)
   Call: (257) [system] peek_char((0x56051b6b4f40), _2057614)
   Exit: (257) [system] peek_char((0x56051b6b4f40), i)
^  Call: (257) [user] is_delimiter(i)
   Call: (258) [system] char_type(i, space)
   Call: (258) [system] arg(_2061406, v('(', ')', end_of_file), i)
   Call: (257) [system] ')'==i
   Call: (257) [system] get_char((0x56051b6b4f40), i)
   Exit: (257) [system] get_char((0x56051b6b4f40), i)
   Call: (257) [system] i=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2065976)
   Call: (258) [system] peek_char((0x56051b6b4f40), _2066910)
   Exit: (258) [system] peek_char((0x56051b6b4f40), c)
^  Call: (258) [user] is_delimiter(c)
   Call: (259) [system] char_type(c, space)
   Call: (259) [system] arg(_2070702, v('(', ')', end_of_file), c)
   Call: (258) [system] ')'==c
   Call: (258) [system] get_char((0x56051b6b4f40), c)
   Exit: (258) [system] get_char((0x56051b6b4f40), c)
   Call: (258) [system] c=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2075272)
   Call: (259) [system] peek_char((0x56051b6b4f40), _2076206)
   Exit: (259) [system] peek_char((0x56051b6b4f40), a)
^  Call: (259) [user] is_delimiter(a)
   Call: (260) [system] char_type(a, space)
   Call: (260) [system] arg(_2079998, v('(', ')', end_of_file), a)
   Call: (259) [system] ')'==a
   Call: (259) [system] get_char((0x56051b6b4f40), a)
   Exit: (259) [system] get_char((0x56051b6b4f40), a)
   Call: (259) [system] a=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2084568)
   Call: (260) [system] peek_char((0x56051b6b4f40), _2085502)
   Exit: (260) [system] peek_char((0x56051b6b4f40), t)
^  Call: (260) [user] is_delimiter(t)
   Call: (261) [system] char_type(t, space)
   Call: (261) [system] arg(_2089294, v('(', ')', end_of_file), t)
   Call: (260) [system] ')'==t
   Call: (260) [system] get_char((0x56051b6b4f40), t)
   Exit: (260) [system] get_char((0x56051b6b4f40), t)
   Call: (260) [system] t=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2093864)
   Call: (261) [system] peek_char((0x56051b6b4f40), _2094798)
   Exit: (261) [system] peek_char((0x56051b6b4f40), i)
^  Call: (261) [user] is_delimiter(i)
   Call: (262) [system] char_type(i, space)
   Call: (262) [system] arg(_12264, v('(', ')', end_of_file), i)
   Call: (261) [system] ')'==i
   Call: (261) [system] get_char((0x56051b6b4f40), i)
   Exit: (261) [system] get_char((0x56051b6b4f40), i)
   Call: (261) [system] i=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _16834)
   Call: (262) [system] peek_char((0x56051b6b4f40), _17768)
   Exit: (262) [system] peek_char((0x56051b6b4f40), o)
^  Call: (262) [user] is_delimiter(o)
   Call: (263) [system] char_type(o, space)
   Call: (263) [system] arg(_21560, v('(', ')', end_of_file), o)
   Call: (262) [system] ')'==o
   Call: (262) [system] get_char((0x56051b6b4f40), o)
   Exit: (262) [system] get_char((0x56051b6b4f40), o)
   Call: (262) [system] o=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _26130)
   Call: (263) [system] peek_char((0x56051b6b4f40), _27064)
   Exit: (263) [system] peek_char((0x56051b6b4f40), n)
^  Call: (263) [user] is_delimiter(n)
   Call: (264) [system] char_type(n, space)
   Call: (264) [system] arg(_30856, v('(', ')', end_of_file), n)
   Call: (263) [system] ')'==n
   Call: (263) [system] get_char((0x56051b6b4f40), n)
   Exit: (263) [system] get_char((0x56051b6b4f40), n)
   Call: (263) [system] n=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _35426)
   Call: (264) [system] peek_char((0x56051b6b4f40), _36360)
   Exit: (264) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (264) [user] is_delimiter(' ')
   Call: (265) [system] char_type(' ', space)
   Exit: (265) [system] char_type(' ', space)
^  Exit: (264) [user] is_delimiter(' ')
   Call: (264) [system] _35426=[]
   Exit: (264) [system] []=[]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (263) [system] _26130=[n]
   Exit: (263) [system] [n]=[n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (262) [system] _16834=[o, n]
   Exit: (262) [system] [o, n]=[o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (261) [system] _10504=[i, o, n]
   Exit: (261) [system] [i, o, n]=[i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (260) [system] _10500=[t, i, o, n]
   Exit: (260) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (259) [system] _10496=[a, t, i, o, n]
   Exit: (259) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (258) [system] _10492=[c, a, t, i, o, n]
   Exit: (258) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (257) [system] _10488=[i, c, a, t, i, o, n]
   Exit: (257) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (256) [system] _10484=[l, i, c, a, t, i, o, n]
   Exit: (256) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (255) [system] _10480=[p, l, i, c, a, t, i, o, n]
   Exit: (255) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (254) [system] _10476=[m, p, l, i, c, a, t, i, o, n]
   Exit: (254) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (253) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _10472)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_73610, _73612), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _10472), _73586, fail)), '$restore_trace'(_73610, _73612))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_73610, _73612))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _10472), _73586, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(_10472)
   Call: (254) [system] atom_chars(_10472, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (254) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (253) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _82062)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _83920)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (253) [system] ' '=(;)
^  Call: (253) [user] is_like_space(' ')
   Call: (254) [system] char_type(' ', 'white')
   Exit: (254) [system] char_type(' ', 'white')
^  Exit: (253) [user] is_like_space(' ')
   Call: (253) [system] get_char((0x56051b6b4f40), _90730)
   Exit: (253) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _93434)
   Exit: (254) [system] peek_char((0x56051b6b4f40), '(')
   Call: (254) [system] '('=(;)
^  Call: (254) [user] is_like_space('(')
   Call: (255) [system] char_type('(', 'white')
   Call: (255) [system] char_type('(', end_of_line)
   Call: (255) [system] char_type('(', space)
   Call: (255) [system] char_type('(', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _102826)
   Exit: (252) [system] peek_char((0x56051b6b4f40), '(')
   Call: (252) [system] '('=')'
   Call: (252) [system] '('=end_of_file
^  Call: (252) [user] cont_sexpr(')', (0x56051b6b4f40), _106540)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _108398)
   Exit: (254) [system] peek_char((0x56051b6b4f40), '(')
   Call: (254) [system] '('=(;)
^  Call: (254) [user] is_like_space('(')
   Call: (255) [system] char_type('(', 'white')
   Call: (255) [system] char_type('(', end_of_line)
   Call: (255) [system] char_type('(', space)
   Call: (255) [system] char_type('(', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] get_char((0x56051b6b4f40), _116866)
   Exit: (253) [system] get_char((0x56051b6b4f40), '(')
   Call: (253) [system] '('='('
   Exit: (253) [system] '('='('
^  Call: (253) [user] read_list(')', (0x56051b6b4f40), _106540)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _122436)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (255) [system] 'A'=(;)
^  Call: (255) [user] is_like_space('A')
   Call: (256) [system] char_type('A', 'white')
   Call: (256) [system] char_type('A', end_of_line)
   Call: (256) [system] char_type('A', space)
   Call: (256) [system] char_type('A', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _130904)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (254) [system] 'A'=')'
   Call: (254) [system] 'A'=end_of_file
^  Call: (254) [user] cont_sexpr(')', (0x56051b6b4f40), _134618)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _136476)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (256) [system] 'A'=(;)
^  Call: (256) [user] is_like_space('A')
   Call: (257) [system] char_type('A', 'white')
   Call: (257) [system] char_type('A', end_of_line)
   Call: (257) [system] char_type('A', space)
   Call: (257) [system] char_type('A', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] get_char((0x56051b6b4f40), _144944)
   Exit: (255) [system] get_char((0x56051b6b4f40), 'A')
   Call: (255) [system] 'A'='('
   Call: (255) [system] 'A'='['
   Call: (255) [system] 'A'='{'
   Call: (255) [system] 'A'='"'
   Call: (255) [system] 'A'=!
   Call: (255) [system] 'A'='\''
   Call: (255) [system] 'A'='`'
   Call: (255) [system] 'A'=end_of_file
^  Call: (255) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _134618)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _155162)
   Call: (257) [system] peek_char((0x56051b6b4f40), _156096)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_159888, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _164458)
   Call: (258) [system] peek_char((0x56051b6b4f40), _165392)
   Exit: (258) [system] peek_char((0x56051b6b4f40), d)
^  Call: (258) [user] is_delimiter(d)
   Call: (259) [system] char_type(d, space)
   Call: (259) [system] arg(_169184, v('(', ')', end_of_file), d)
   Call: (258) [system] ')'==d
   Call: (258) [system] get_char((0x56051b6b4f40), d)
   Exit: (258) [system] get_char((0x56051b6b4f40), d)
   Call: (258) [system] d=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _173754)
   Call: (259) [system] peek_char((0x56051b6b4f40), _174688)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (259) [user] is_delimiter('L')
   Call: (260) [system] char_type('L', space)
   Call: (260) [system] arg(_178480, v('(', ')', end_of_file), 'L')
   Call: (259) [system] ')'=='L'
   Call: (259) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (259) [system] get_char((0x56051b6b4f40), 'L')
   Call: (259) [system] 'L'=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _183050)
   Call: (260) [system] peek_char((0x56051b6b4f40), _183984)
   Exit: (260) [system] peek_char((0x56051b6b4f40), i)
^  Call: (260) [user] is_delimiter(i)
   Call: (261) [system] char_type(i, space)
   Call: (261) [system] arg(_187776, v('(', ')', end_of_file), i)
   Call: (260) [system] ')'==i
   Call: (260) [system] get_char((0x56051b6b4f40), i)
   Exit: (260) [system] get_char((0x56051b6b4f40), i)
   Call: (260) [system] i=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _192346)
   Call: (261) [system] peek_char((0x56051b6b4f40), _193280)
   Exit: (261) [system] peek_char((0x56051b6b4f40), n)
^  Call: (261) [user] is_delimiter(n)
   Call: (262) [system] char_type(n, space)
   Call: (262) [system] arg(_197072, v('(', ')', end_of_file), n)
   Call: (261) [system] ')'==n
   Call: (261) [system] get_char((0x56051b6b4f40), n)
   Exit: (261) [system] get_char((0x56051b6b4f40), n)
   Call: (261) [system] n=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _201642)
   Call: (262) [system] peek_char((0x56051b6b4f40), _202576)
   Exit: (262) [system] peek_char((0x56051b6b4f40), k)
^  Call: (262) [user] is_delimiter(k)
   Call: (263) [system] char_type(k, space)
   Call: (263) [system] arg(_206368, v('(', ')', end_of_file), k)
   Call: (262) [system] ')'==k
   Call: (262) [system] get_char((0x56051b6b4f40), k)
   Exit: (262) [system] get_char((0x56051b6b4f40), k)
   Call: (262) [system] k=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _210938)
   Call: (263) [system] peek_char((0x56051b6b4f40), _211872)
   Exit: (263) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (263) [user] is_delimiter(' ')
   Call: (264) [system] char_type(' ', space)
   Exit: (264) [system] char_type(' ', space)
^  Exit: (263) [user] is_delimiter(' ')
   Call: (263) [system] _210938=[]
   Exit: (263) [system] []=[]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (262) [system] _201642=[k]
   Exit: (262) [system] [k]=[k]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (261) [system] _192346=[n, k]
   Exit: (261) [system] [n, k]=[n, k]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (260) [system] _183050=[i, n, k]
   Exit: (260) [system] [i, n, k]=[i, n, k]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (259) [system] _173754=['L', i, n, k]
   Exit: (259) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (258) [system] _164458=[d, 'L', i, n, k]
   Exit: (258) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (257) [system] _155162=[n, d, 'L', i, n, k]
   Exit: (257) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (256) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _134618)
^  Call: (258) [system] setup_call_cleanup('$notrace'(_237946, _237948), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _134618), _237922, fail)), '$restore_trace'(_237946, _237948))
^  Call: (259) [system] sig_atomic(system:'$notrace'(_237946, _237948))
^  Exit: (258) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _134618), _237922, fail)), system:'$restore_trace'(3, -1))
   Call: (257) [system] atomic(_134618)
   Call: (257) [system] atom_chars(_134618, ['A', n, d, 'L', i, n, k])
   Exit: (257) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (256) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (255) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (254) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (254) [user] read_list(')', (0x56051b6b4f40), _246398)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _248256)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (256) [system] ' '=(;)
^  Call: (256) [user] is_like_space(' ')
   Call: (257) [system] char_type(' ', 'white')
   Exit: (257) [system] char_type(' ', 'white')
^  Exit: (256) [user] is_like_space(' ')
   Call: (256) [system] get_char((0x56051b6b4f40), _255066)
   Exit: (256) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _257770)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (257) [system] 'A'=(;)
^  Call: (257) [user] is_like_space('A')
   Call: (258) [system] char_type('A', 'white')
   Call: (258) [system] char_type('A', end_of_line)
   Call: (258) [system] char_type('A', space)
   Call: (258) [system] char_type('A', cntrl)
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _267162)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (255) [system] 'A'=')'
   Call: (255) [system] 'A'=end_of_file
^  Call: (255) [user] cont_sexpr(')', (0x56051b6b4f40), _270876)
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _272734)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (257) [system] 'A'=(;)
^  Call: (257) [user] is_like_space('A')
   Call: (258) [system] char_type('A', 'white')
   Call: (258) [system] char_type('A', end_of_line)
   Call: (258) [system] char_type('A', space)
   Call: (258) [system] char_type('A', cntrl)
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] get_char((0x56051b6b4f40), _281202)
   Exit: (256) [system] get_char((0x56051b6b4f40), 'A')
   Call: (256) [system] 'A'='('
   Call: (256) [system] 'A'='['
   Call: (256) [system] 'A'='{'
   Call: (256) [system] 'A'='"'
   Call: (256) [system] 'A'=!
   Call: (256) [system] 'A'='\''
   Call: (256) [system] 'A'='`'
   Call: (256) [system] 'A'=end_of_file
^  Call: (256) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _270876)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _291420)
   Call: (258) [system] peek_char((0x56051b6b4f40), _292354)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (258) [user] is_delimiter(' ')
   Call: (259) [system] char_type(' ', space)
   Exit: (259) [system] char_type(' ', space)
^  Exit: (258) [user] is_delimiter(' ')
   Call: (258) [system] _291420=[]
   Exit: (258) [system] []=[]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (257) [user] classify_and_convert_charseq('A', [], _270876)
^  Call: (259) [system] setup_call_cleanup('$notrace'(_301664, _301666), once(user:catch(read_from_chars(['A'], _270876), _301640, fail)), '$restore_trace'(_301664, _301666))
^  Call: (260) [system] sig_atomic(system:'$notrace'(_301664, _301666))
^  Exit: (259) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _270876), _301640, fail)), system:'$restore_trace'(3, -1))
   Call: (258) [system] atomic(_270876)
   Call: (258) [system] atom_chars(_270876, ['A'])
   Exit: (258) [system] atom_chars('A', ['A'])
^  Exit: (257) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (256) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (255) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (255) [user] read_list(')', (0x56051b6b4f40), _310116)
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _311974)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (257) [system] ' '=(;)
^  Call: (257) [user] is_like_space(' ')
   Call: (258) [system] char_type(' ', 'white')
   Exit: (258) [system] char_type(' ', 'white')
^  Exit: (257) [user] is_like_space(' ')
   Call: (257) [system] get_char((0x56051b6b4f40), _318784)
   Exit: (257) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _321488)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (258) [system] 'B'=(;)
^  Call: (258) [user] is_like_space('B')
   Call: (259) [system] char_type('B', 'white')
   Call: (259) [system] char_type('B', end_of_line)
   Call: (259) [system] char_type('B', space)
   Call: (259) [system] char_type('B', cntrl)
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _330880)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (256) [system] 'B'=')'
   Call: (256) [system] 'B'=end_of_file
^  Call: (256) [user] cont_sexpr(')', (0x56051b6b4f40), _334594)
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _336452)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (258) [system] 'B'=(;)
^  Call: (258) [user] is_like_space('B')
   Call: (259) [system] char_type('B', 'white')
   Call: (259) [system] char_type('B', end_of_line)
   Call: (259) [system] char_type('B', space)
   Call: (259) [system] char_type('B', cntrl)
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] get_char((0x56051b6b4f40), _344920)
   Exit: (257) [system] get_char((0x56051b6b4f40), 'B')
   Call: (257) [system] 'B'='('
   Call: (257) [system] 'B'='['
   Call: (257) [system] 'B'='{'
   Call: (257) [system] 'B'='"'
   Call: (257) [system] 'B'=!
   Call: (257) [system] 'B'='\''
   Call: (257) [system] 'B'='`'
   Call: (257) [system] 'B'=end_of_file
^  Call: (257) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _334594)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _355138)
   Call: (259) [system] peek_char((0x56051b6b4f40), _356072)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (259) [user] is_delimiter(')')
   Call: (260) [system] char_type(')', space)
   Call: (260) [system] arg(_359864, v('(', ')', end_of_file), ')')
   Exit: (260) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (259) [user] is_delimiter(')')
   Call: (259) [system] _355138=[]
   Exit: (259) [system] []=[]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (258) [user] classify_and_convert_charseq('B', [], _334594)
^  Call: (260) [system] setup_call_cleanup('$notrace'(_366326, _366328), once(user:catch(read_from_chars(['B'], _334594), _366302, fail)), '$restore_trace'(_366326, _366328))
^  Call: (261) [system] sig_atomic(system:'$notrace'(_366326, _366328))
^  Exit: (260) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _334594), _366302, fail)), system:'$restore_trace'(3, -1))
   Call: (259) [system] atomic(_334594)
   Call: (259) [system] atom_chars(_334594, ['B'])
   Exit: (259) [system] atom_chars('B', ['B'])
^  Exit: (258) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (257) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (256) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (256) [user] read_list(')', (0x56051b6b4f40), _374778)
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _376636)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ')')
   Call: (258) [system] ')'=(;)
^  Call: (258) [user] is_like_space(')')
   Call: (259) [system] char_type(')', 'white')
   Call: (259) [system] char_type(')', end_of_line)
   Call: (259) [system] char_type(')', space)
   Call: (259) [system] char_type(')', cntrl)
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _385104)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ')')
   Call: (257) [system] ')'=')'
   Exit: (257) [system] ')'=')'
   Call: (257) [system] get_char((0x56051b6b4f40), _388894)
   Exit: (257) [system] get_char((0x56051b6b4f40), ')')
   Call: (257) [system] _374778=[]
   Exit: (257) [system] []=[]
^  Exit: (256) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (256) [system] _310116=['B']
   Exit: (256) [system] ['B']=['B']
^  Exit: (255) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (255) [system] _246398=['A', 'B']
   Exit: (255) [system] ['A', 'B']=['A', 'B']
^  Exit: (254) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (254) [system] _106540=['AndLink', 'A', 'B']
   Exit: (254) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (253) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (252) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (252) [user] read_list(')', (0x56051b6b4f40), _402776)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _404634)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (254) [system] ' '=(;)
^  Call: (254) [user] is_like_space(' ')
   Call: (255) [system] char_type(' ', 'white')
   Exit: (255) [system] char_type(' ', 'white')
^  Exit: (254) [user] is_like_space(' ')
   Call: (254) [system] get_char((0x56051b6b4f40), _411444)
   Exit: (254) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _414148)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (255) [system] 'C'=(;)
^  Call: (255) [user] is_like_space('C')
   Call: (256) [system] char_type('C', 'white')
   Call: (256) [system] char_type('C', end_of_line)
   Call: (256) [system] char_type('C', space)
   Call: (256) [system] char_type('C', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _423540)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (253) [system] 'C'=')'
   Call: (253) [system] 'C'=end_of_file
^  Call: (253) [user] cont_sexpr(')', (0x56051b6b4f40), _427254)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _429112)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (255) [system] 'C'=(;)
^  Call: (255) [user] is_like_space('C')
   Call: (256) [system] char_type('C', 'white')
   Call: (256) [system] char_type('C', end_of_line)
   Call: (256) [system] char_type('C', space)
   Call: (256) [system] char_type('C', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] get_char((0x56051b6b4f40), _437580)
   Exit: (254) [system] get_char((0x56051b6b4f40), 'C')
   Call: (254) [system] 'C'='('
   Call: (254) [system] 'C'='['
   Call: (254) [system] 'C'='{'
   Call: (254) [system] 'C'='"'
   Call: (254) [system] 'C'=!
   Call: (254) [system] 'C'='\''
   Call: (254) [system] 'C'='`'
   Call: (254) [system] 'C'=end_of_file
^  Call: (254) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _427254)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _447798)
   Call: (256) [system] peek_char((0x56051b6b4f40), _448732)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (256) [user] is_delimiter(')')
   Call: (257) [system] char_type(')', space)
   Call: (257) [system] arg(_452524, v('(', ')', end_of_file), ')')
   Exit: (257) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (256) [user] is_delimiter(')')
   Call: (256) [system] _447798=[]
   Exit: (256) [system] []=[]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (255) [user] classify_and_convert_charseq('C', [], _427254)
^  Call: (257) [system] setup_call_cleanup('$notrace'(_458986, _458988), once(user:catch(read_from_chars(['C'], _427254), _458962, fail)), '$restore_trace'(_458986, _458988))
^  Call: (258) [system] sig_atomic(system:'$notrace'(_458986, _458988))
^  Exit: (257) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _427254), _458962, fail)), system:'$restore_trace'(3, -1))
   Call: (256) [system] atomic(_427254)
   Call: (256) [system] atom_chars(_427254, ['C'])
   Exit: (256) [system] atom_chars('C', ['C'])
^  Exit: (255) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (254) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (253) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (253) [user] read_list(')', (0x56051b6b4f40), _467438)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _469296)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ')')
   Call: (255) [system] ')'=(;)
^  Call: (255) [user] is_like_space(')')
   Call: (256) [system] char_type(')', 'white')
   Call: (256) [system] char_type(')', end_of_line)
   Call: (256) [system] char_type(')', space)
   Call: (256) [system] char_type(')', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _477764)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
   Call: (254) [system] ')'=')'
   Exit: (254) [system] ')'=')'
   Call: (254) [system] get_char((0x56051b6b4f40), _481554)
   Exit: (254) [system] get_char((0x56051b6b4f40), ')')
   Call: (254) [system] _467438=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (253) [system] _402776=['C']
   Exit: (253) [system] ['C']=['C']
^  Exit: (252) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (252) [system] _82062=[['AndLink', 'A', 'B'], 'C']
   Exit: (252) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (251) [system] _10466=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (251) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _495436)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _497294)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
   Call: (251) [system] ')'=(;)
^  Call: (251) [user] is_like_space(')')
   Call: (252) [system] char_type(')', 'white')
   Call: (252) [system] char_type(')', end_of_line)
   Call: (252) [system] char_type(')', space)
   Call: (252) [system] char_type(')', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _505762)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
   Call: (250) [system] ')'=')'
   Exit: (250) [system] ')'=')'
   Call: (250) [system] get_char((0x56051b6b4f40), _509552)
   Exit: (250) [system] get_char((0x56051b6b4f40), ')')
   Call: (250) [system] _495436=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (249) [system] _10462=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (249) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (248) [system] _10456=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (248) [system] ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (247) [system] _10448=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (247) [system] ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _523434)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _525292)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=(;)
^  Call: (247) [user] is_like_space(')')
   Call: (248) [system] char_type(')', 'white')
   Call: (248) [system] char_type(')', end_of_line)
   Call: (248) [system] char_type(')', space)
   Call: (248) [system] char_type(')', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _533760)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=')'
   Exit: (246) [system] ')'=')'
   Call: (246) [system] get_char((0x56051b6b4f40), _537550)
   Exit: (246) [system] get_char((0x56051b6b4f40), ')')
   Call: (246) [system] _523434=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (245) [system] _10444=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (245) [system] [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (244) [system] _10438=['B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (244) [system] ['B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), ['B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (243) [system] _10430=['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (243) [system] ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _551432)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _553290)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=(;)
^  Call: (243) [user] is_like_space(')')
   Call: (244) [system] char_type(')', 'white')
   Call: (244) [system] char_type(')', end_of_line)
   Call: (244) [system] char_type(')', space)
   Call: (244) [system] char_type(')', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _561758)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ')')
   Call: (242) [system] ')'=')'
   Exit: (242) [system] ')'=')'
   Call: (242) [system] get_char((0x56051b6b4f40), _565548)
   Exit: (242) [system] get_char((0x56051b6b4f40), ')')
   Call: (242) [system] _551432=[]
   Exit: (242) [system] []=[]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (241) [system] _10426=[['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (241) [system] [['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (240) [system] _10384=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (240) [system] [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (239) [system] _10376=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (239) [system] [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (238) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (237) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, abc]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (237) [user] read_list(')', (0x56051b6b4f40), _579430)
^  Call: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _581288)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (239) [system] '\n'=(;)
^  Call: (239) [user] is_like_space('\n')
   Call: (240) [system] char_type('\n', 'white')
   Call: (240) [system] char_type('\n', end_of_line)
   Exit: (240) [system] char_type('\n', end_of_line)
^  Exit: (239) [user] is_like_space('\n')
   Call: (239) [system] get_char((0x56051b6b4f40), _588904)
   Exit: (239) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _591608)
   Exit: (240) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (240) [system] ' '=(;)
^  Call: (240) [user] is_like_space(' ')
   Call: (241) [system] char_type(' ', 'white')
   Exit: (241) [system] char_type(' ', 'white')
^  Exit: (240) [user] is_like_space(' ')
   Call: (240) [system] get_char((0x56051b6b4f40), _598418)
   Exit: (240) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _601122)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=(;)
^  Call: (241) [user] is_like_space('(')
   Call: (242) [system] char_type('(', 'white')
   Call: (242) [system] char_type('(', end_of_line)
   Call: (242) [system] char_type('(', space)
   Call: (242) [system] char_type('(', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (238) [user] skip_spaces((0x56051b6b4f40))
   Call: (238) [system] peek_char((0x56051b6b4f40), _611438)
   Exit: (238) [system] peek_char((0x56051b6b4f40), '(')
   Call: (238) [system] '('=')'
   Call: (238) [system] '('=end_of_file
^  Call: (238) [user] cont_sexpr(')', (0x56051b6b4f40), _615152)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _617010)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=(;)
^  Call: (240) [user] is_like_space('(')
   Call: (241) [system] char_type('(', 'white')
   Call: (241) [system] char_type('(', end_of_line)
   Call: (241) [system] char_type('(', space)
   Call: (241) [system] char_type('(', cntrl)
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] get_char((0x56051b6b4f40), _625478)
   Exit: (239) [system] get_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('='('
   Exit: (239) [system] '('='('
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _615152)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _631048)
   Exit: (241) [system] peek_char((0x56051b6b4f40), :)
   Call: (241) [system] (:)=(;)
^  Call: (241) [user] is_like_space(:)
   Call: (242) [system] char_type(:, 'white')
   Call: (242) [system] char_type(:, end_of_line)
   Call: (242) [system] char_type(:, space)
   Call: (242) [system] char_type(:, cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _639516)
   Exit: (240) [system] peek_char((0x56051b6b4f40), :)
   Call: (240) [system] (:)=')'
   Call: (240) [system] (:)=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _643230)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _645088)
   Exit: (242) [system] peek_char((0x56051b6b4f40), :)
   Call: (242) [system] (:)=(;)
^  Call: (242) [user] is_like_space(:)
   Call: (243) [system] char_type(:, 'white')
   Call: (243) [system] char_type(:, end_of_line)
   Call: (243) [system] char_type(:, space)
   Call: (243) [system] char_type(:, cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _653556)
   Exit: (241) [system] get_char((0x56051b6b4f40), :)
   Call: (241) [system] (:)='('
   Call: (241) [system] (:)='['
   Call: (241) [system] (:)='{'
   Call: (241) [system] (:)='"'
   Call: (241) [system] (:)=!
   Call: (241) [system] (:)='\''
   Call: (241) [system] (:)='`'
   Call: (241) [system] (:)=end_of_file
^  Call: (241) [user] read_symbolic(')', (0x56051b6b4f40), :, _643230)
^  Call: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), _663774)
   Call: (243) [system] peek_char((0x56051b6b4f40), _664708)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] is_delimiter(' ')
   Call: (244) [system] char_type(' ', space)
   Exit: (244) [system] char_type(' ', space)
^  Exit: (243) [user] is_delimiter(' ')
   Call: (243) [system] _663774=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (242) [user] classify_and_convert_charseq(:, [], _643230)
^  Call: (244) [system] setup_call_cleanup('$notrace'(_674018, _674020), once(user:catch(read_from_chars([:], _643230), _673994, fail)), '$restore_trace'(_674018, _674020))
^  Call: (245) [system] sig_atomic(system:'$notrace'(_674018, _674020))
^  Exit: (244) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _673994, fail)), system:'$restore_trace'(3, -1))
   Call: (243) [system] atomic(:)
   Exit: (243) [system] atomic(:)
^  Exit: (242) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (241) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _681518)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _683376)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _690186)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _692890)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=(;)
^  Call: (243) [user] is_like_space('(')
   Call: (244) [system] char_type('(', 'white')
   Call: (244) [system] char_type('(', end_of_line)
   Call: (244) [system] char_type('(', space)
   Call: (244) [system] char_type('(', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _702282)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=')'
   Call: (241) [system] '('=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _705996)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _707854)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=(;)
^  Call: (243) [user] is_like_space('(')
   Call: (244) [system] char_type('(', 'white')
   Call: (244) [system] char_type('(', end_of_line)
   Call: (244) [system] char_type('(', space)
   Call: (244) [system] char_type('(', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _716322)
   Exit: (242) [system] get_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('='('
   Exit: (242) [system] '('='('
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _705996)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _721892)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'=(;)
^  Call: (244) [user] is_like_space('D')
   Call: (245) [system] char_type('D', 'white')
   Call: (245) [system] char_type('D', end_of_line)
   Call: (245) [system] char_type('D', space)
   Call: (245) [system] char_type('D', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _730360)
   Exit: (243) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (243) [system] 'D'=')'
   Call: (243) [system] 'D'=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _734074)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _735932)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (245) [system] 'D'=(;)
^  Call: (245) [user] is_like_space('D')
   Call: (246) [system] char_type('D', 'white')
   Call: (246) [system] char_type('D', end_of_line)
   Call: (246) [system] char_type('D', space)
   Call: (246) [system] char_type('D', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _744400)
   Exit: (244) [system] get_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'='('
   Call: (244) [system] 'D'='['
   Call: (244) [system] 'D'='{'
   Call: (244) [system] 'D'='"'
   Call: (244) [system] 'D'=!
   Call: (244) [system] 'D'='\''
   Call: (244) [system] 'D'='`'
   Call: (244) [system] 'D'=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _734074)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _754618)
   Call: (246) [system] peek_char((0x56051b6b4f40), _755552)
   Exit: (246) [system] peek_char((0x56051b6b4f40), i)
^  Call: (246) [user] is_delimiter(i)
   Call: (247) [system] char_type(i, space)
   Call: (247) [system] arg(_759344, v('(', ')', end_of_file), i)
   Call: (246) [system] ')'==i
   Call: (246) [system] get_char((0x56051b6b4f40), i)
   Exit: (246) [system] get_char((0x56051b6b4f40), i)
   Call: (246) [system] i=(\)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _763914)
   Call: (247) [system] peek_char((0x56051b6b4f40), _764848)
   Exit: (247) [system] peek_char((0x56051b6b4f40), s)
^  Call: (247) [user] is_delimiter(s)
   Call: (248) [system] char_type(s, space)
   Call: (248) [system] arg(_768640, v('(', ')', end_of_file), s)
   Call: (247) [system] ')'==s
   Call: (247) [system] get_char((0x56051b6b4f40), s)
   Exit: (247) [system] get_char((0x56051b6b4f40), s)
   Call: (247) [system] s=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _773210)
   Call: (248) [system] peek_char((0x56051b6b4f40), _774144)
   Exit: (248) [system] peek_char((0x56051b6b4f40), j)
^  Call: (248) [user] is_delimiter(j)
   Call: (249) [system] char_type(j, space)
   Call: (249) [system] arg(_777936, v('(', ')', end_of_file), j)
   Call: (248) [system] ')'==j
   Call: (248) [system] get_char((0x56051b6b4f40), j)
   Exit: (248) [system] get_char((0x56051b6b4f40), j)
   Call: (248) [system] j=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _782506)
   Call: (249) [system] peek_char((0x56051b6b4f40), _783440)
   Exit: (249) [system] peek_char((0x56051b6b4f40), u)
^  Call: (249) [user] is_delimiter(u)
   Call: (250) [system] char_type(u, space)
   Call: (250) [system] arg(_787232, v('(', ')', end_of_file), u)
   Call: (249) [system] ')'==u
   Call: (249) [system] get_char((0x56051b6b4f40), u)
   Exit: (249) [system] get_char((0x56051b6b4f40), u)
   Call: (249) [system] u=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _791802)
   Call: (250) [system] peek_char((0x56051b6b4f40), _792736)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_796528, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _801098)
   Call: (251) [system] peek_char((0x56051b6b4f40), _802032)
   Exit: (251) [system] peek_char((0x56051b6b4f40), c)
^  Call: (251) [user] is_delimiter(c)
   Call: (252) [system] char_type(c, space)
   Call: (252) [system] arg(_805824, v('(', ')', end_of_file), c)
   Call: (251) [system] ')'==c
   Call: (251) [system] get_char((0x56051b6b4f40), c)
   Exit: (251) [system] get_char((0x56051b6b4f40), c)
   Call: (251) [system] c=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _810394)
   Call: (252) [system] peek_char((0x56051b6b4f40), _811328)
   Exit: (252) [system] peek_char((0x56051b6b4f40), t)
^  Call: (252) [user] is_delimiter(t)
   Call: (253) [system] char_type(t, space)
   Call: (253) [system] arg(_815120, v('(', ')', end_of_file), t)
   Call: (252) [system] ')'==t
   Call: (252) [system] get_char((0x56051b6b4f40), t)
   Exit: (252) [system] get_char((0x56051b6b4f40), t)
   Call: (252) [system] t=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _819690)
   Call: (253) [system] peek_char((0x56051b6b4f40), _820624)
   Exit: (253) [system] peek_char((0x56051b6b4f40), i)
^  Call: (253) [user] is_delimiter(i)
   Call: (254) [system] char_type(i, space)
   Call: (254) [system] arg(_824416, v('(', ')', end_of_file), i)
   Call: (253) [system] ')'==i
   Call: (253) [system] get_char((0x56051b6b4f40), i)
   Exit: (253) [system] get_char((0x56051b6b4f40), i)
   Call: (253) [system] i=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _828986)
   Call: (254) [system] peek_char((0x56051b6b4f40), _829920)
   Exit: (254) [system] peek_char((0x56051b6b4f40), o)
^  Call: (254) [user] is_delimiter(o)
   Call: (255) [system] char_type(o, space)
   Call: (255) [system] arg(_833712, v('(', ')', end_of_file), o)
   Call: (254) [system] ')'==o
   Call: (254) [system] get_char((0x56051b6b4f40), o)
   Exit: (254) [system] get_char((0x56051b6b4f40), o)
   Call: (254) [system] o=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _838282)
   Call: (255) [system] peek_char((0x56051b6b4f40), _839216)
   Exit: (255) [system] peek_char((0x56051b6b4f40), n)
^  Call: (255) [user] is_delimiter(n)
   Call: (256) [system] char_type(n, space)
   Call: (256) [system] arg(_843008, v('(', ')', end_of_file), n)
   Call: (255) [system] ')'==n
   Call: (255) [system] get_char((0x56051b6b4f40), n)
   Exit: (255) [system] get_char((0x56051b6b4f40), n)
   Call: (255) [system] n=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _847578)
   Call: (256) [system] peek_char((0x56051b6b4f40), _848512)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (256) [user] is_delimiter('I')
   Call: (257) [system] char_type('I', space)
   Call: (257) [system] arg(_852304, v('(', ')', end_of_file), 'I')
   Call: (256) [system] ')'=='I'
   Call: (256) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (256) [system] get_char((0x56051b6b4f40), 'I')
   Call: (256) [system] 'I'=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _856874)
   Call: (257) [system] peek_char((0x56051b6b4f40), _857808)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_861600, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _866170)
   Call: (258) [system] peek_char((0x56051b6b4f40), _867104)
   Exit: (258) [system] peek_char((0x56051b6b4f40), t)
^  Call: (258) [user] is_delimiter(t)
   Call: (259) [system] char_type(t, space)
   Call: (259) [system] arg(_870896, v('(', ')', end_of_file), t)
   Call: (258) [system] ')'==t
   Call: (258) [system] get_char((0x56051b6b4f40), t)
   Exit: (258) [system] get_char((0x56051b6b4f40), t)
   Call: (258) [system] t=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _875466)
   Call: (259) [system] peek_char((0x56051b6b4f40), _876400)
   Exit: (259) [system] peek_char((0x56051b6b4f40), r)
^  Call: (259) [user] is_delimiter(r)
   Call: (260) [system] char_type(r, space)
   Call: (260) [system] arg(_880192, v('(', ')', end_of_file), r)
   Call: (259) [system] ')'==r
   Call: (259) [system] get_char((0x56051b6b4f40), r)
   Exit: (259) [system] get_char((0x56051b6b4f40), r)
   Call: (259) [system] r=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _884762)
   Call: (260) [system] peek_char((0x56051b6b4f40), _885696)
   Exit: (260) [system] peek_char((0x56051b6b4f40), o)
^  Call: (260) [user] is_delimiter(o)
   Call: (261) [system] char_type(o, space)
   Call: (261) [system] arg(_889488, v('(', ')', end_of_file), o)
   Call: (260) [system] ')'==o
   Call: (260) [system] get_char((0x56051b6b4f40), o)
   Exit: (260) [system] get_char((0x56051b6b4f40), o)
   Call: (260) [system] o=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _894058)
   Call: (261) [system] peek_char((0x56051b6b4f40), _894992)
   Exit: (261) [system] peek_char((0x56051b6b4f40), d)
^  Call: (261) [user] is_delimiter(d)
   Call: (262) [system] char_type(d, space)
   Call: (262) [system] arg(_898784, v('(', ')', end_of_file), d)
   Call: (261) [system] ')'==d
   Call: (261) [system] get_char((0x56051b6b4f40), d)
   Exit: (261) [system] get_char((0x56051b6b4f40), d)
   Call: (261) [system] d=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _903354)
   Call: (262) [system] peek_char((0x56051b6b4f40), _904288)
   Exit: (262) [system] peek_char((0x56051b6b4f40), u)
^  Call: (262) [user] is_delimiter(u)
   Call: (263) [system] char_type(u, space)
   Call: (263) [system] arg(_908080, v('(', ')', end_of_file), u)
   Call: (262) [system] ')'==u
   Call: (262) [system] get_char((0x56051b6b4f40), u)
   Exit: (262) [system] get_char((0x56051b6b4f40), u)
   Call: (262) [system] u=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _912650)
   Call: (263) [system] peek_char((0x56051b6b4f40), _913584)
   Exit: (263) [system] peek_char((0x56051b6b4f40), c)
^  Call: (263) [user] is_delimiter(c)
   Call: (264) [system] char_type(c, space)
   Call: (264) [system] arg(_917376, v('(', ')', end_of_file), c)
   Call: (263) [system] ')'==c
   Call: (263) [system] get_char((0x56051b6b4f40), c)
   Exit: (263) [system] get_char((0x56051b6b4f40), c)
   Call: (263) [system] c=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _921946)
   Call: (264) [system] peek_char((0x56051b6b4f40), _922880)
   Exit: (264) [system] peek_char((0x56051b6b4f40), t)
^  Call: (264) [user] is_delimiter(t)
   Call: (265) [system] char_type(t, space)
   Call: (265) [system] arg(_926672, v('(', ')', end_of_file), t)
   Call: (264) [system] ')'==t
   Call: (264) [system] get_char((0x56051b6b4f40), t)
   Exit: (264) [system] get_char((0x56051b6b4f40), t)
   Call: (264) [system] t=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _931242)
   Call: (265) [system] peek_char((0x56051b6b4f40), _932176)
   Exit: (265) [system] peek_char((0x56051b6b4f40), i)
^  Call: (265) [user] is_delimiter(i)
   Call: (266) [system] char_type(i, space)
   Call: (266) [system] arg(_935968, v('(', ')', end_of_file), i)
   Call: (265) [system] ')'==i
   Call: (265) [system] get_char((0x56051b6b4f40), i)
   Exit: (265) [system] get_char((0x56051b6b4f40), i)
   Call: (265) [system] i=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _940538)
   Call: (266) [system] peek_char((0x56051b6b4f40), _941472)
   Exit: (266) [system] peek_char((0x56051b6b4f40), o)
^  Call: (266) [user] is_delimiter(o)
   Call: (267) [system] char_type(o, space)
   Call: (267) [system] arg(_945264, v('(', ')', end_of_file), o)
   Call: (266) [system] ')'==o
   Call: (266) [system] get_char((0x56051b6b4f40), o)
   Exit: (266) [system] get_char((0x56051b6b4f40), o)
   Call: (266) [system] o=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _949834)
   Call: (267) [system] peek_char((0x56051b6b4f40), _950768)
   Exit: (267) [system] peek_char((0x56051b6b4f40), n)
^  Call: (267) [user] is_delimiter(n)
   Call: (268) [system] char_type(n, space)
   Call: (268) [system] arg(_954560, v('(', ')', end_of_file), n)
   Call: (267) [system] ')'==n
   Call: (267) [system] get_char((0x56051b6b4f40), n)
   Exit: (267) [system] get_char((0x56051b6b4f40), n)
   Call: (267) [system] n=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _959130)
   Call: (268) [system] peek_char((0x56051b6b4f40), _960064)
   Exit: (268) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (268) [user] is_delimiter(' ')
   Call: (269) [system] char_type(' ', space)
   Exit: (269) [system] char_type(' ', space)
^  Exit: (268) [user] is_delimiter(' ')
   Call: (268) [system] _959130=[]
   Exit: (268) [system] []=[]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (267) [system] _949834=[n]
   Exit: (267) [system] [n]=[n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (266) [system] _940538=[o, n]
   Exit: (266) [system] [o, n]=[o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (265) [system] _931242=[i, o, n]
   Exit: (265) [system] [i, o, n]=[i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (264) [system] _921946=[t, i, o, n]
   Exit: (264) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (263) [system] _912650=[c, t, i, o, n]
   Exit: (263) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (262) [system] _903354=[u, c, t, i, o, n]
   Exit: (262) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (261) [system] _894058=[d, u, c, t, i, o, n]
   Exit: (261) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (260) [system] _884762=[o, d, u, c, t, i, o, n]
   Exit: (260) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (259) [system] _875466=[r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _866170=[t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _856874=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _847578=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _838282=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _828986=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _819690=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _810394=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _801098=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _791802=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _782506=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _773210=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _763914=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (246) [system] _754618=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (246) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (245) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _734074)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_1030842, _1030844), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _734074), _1030818, fail)), '$restore_trace'(_1030842, _1030844))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_1030842, _1030844))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _734074), _1030818, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(_734074)
   Call: (246) [system] atom_chars(_734074, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (246) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (245) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1039294)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1041152)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _1047962)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1050666)
   Exit: (246) [system] peek_char((0x56051b6b4f40), a)
   Call: (246) [system] a=(;)
^  Call: (246) [user] is_like_space(a)
   Call: (247) [system] char_type(a, 'white')
   Call: (247) [system] char_type(a, end_of_line)
   Call: (247) [system] char_type(a, space)
   Call: (247) [system] char_type(a, cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1060058)
   Exit: (244) [system] peek_char((0x56051b6b4f40), a)
   Call: (244) [system] a=')'
   Call: (244) [system] a=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _1063772)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1065630)
   Exit: (246) [system] peek_char((0x56051b6b4f40), a)
   Call: (246) [system] a=(;)
^  Call: (246) [user] is_like_space(a)
   Call: (247) [system] char_type(a, 'white')
   Call: (247) [system] char_type(a, end_of_line)
   Call: (247) [system] char_type(a, space)
   Call: (247) [system] char_type(a, cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _1074098)
   Exit: (245) [system] get_char((0x56051b6b4f40), a)
   Call: (245) [system] a='('
   Call: (245) [system] a='['
   Call: (245) [system] a='{'
   Call: (245) [system] a='"'
   Call: (245) [system] a=!
   Call: (245) [system] a='\''
   Call: (245) [system] a='`'
   Call: (245) [system] a=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), a, _1063772)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1084316)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1085250)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] is_delimiter(' ')
   Call: (248) [system] char_type(' ', space)
   Exit: (248) [system] char_type(' ', space)
^  Exit: (247) [user] is_delimiter(' ')
   Call: (247) [system] _1084316=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (246) [user] classify_and_convert_charseq(a, [], _1063772)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_1094560, _1094562), once(user:catch(read_from_chars([a], _1063772), _1094536, fail)), '$restore_trace'(_1094560, _1094562))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_1094560, _1094562))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1094536, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(a)
   Exit: (247) [system] atomic(a)
^  Exit: (246) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _1102060)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1103918)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _1110728)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1113432)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=(;)
^  Call: (247) [user] is_like_space('(')
   Call: (248) [system] char_type('(', 'white')
   Call: (248) [system] char_type('(', end_of_line)
   Call: (248) [system] char_type('(', space)
   Call: (248) [system] char_type('(', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1122824)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=')'
   Call: (245) [system] '('=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _1126538)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1128396)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=(;)
^  Call: (247) [user] is_like_space('(')
   Call: (248) [system] char_type('(', 'white')
   Call: (248) [system] char_type('(', end_of_line)
   Call: (248) [system] char_type('(', space)
   Call: (248) [system] char_type('(', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _1136864)
   Exit: (246) [system] get_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('='('
   Exit: (246) [system] '('='('
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1126538)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1142434)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (248) [system] 'D'=(;)
^  Call: (248) [user] is_like_space('D')
   Call: (249) [system] char_type('D', 'white')
   Call: (249) [system] char_type('D', end_of_line)
   Call: (249) [system] char_type('D', space)
   Call: (249) [system] char_type('D', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1150902)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (247) [system] 'D'=')'
   Call: (247) [system] 'D'=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _1154616)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1156474)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (249) [system] 'D'=(;)
^  Call: (249) [user] is_like_space('D')
   Call: (250) [system] char_type('D', 'white')
   Call: (250) [system] char_type('D', end_of_line)
   Call: (250) [system] char_type('D', space)
   Call: (250) [system] char_type('D', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _1164942)
   Exit: (248) [system] get_char((0x56051b6b4f40), 'D')
   Call: (248) [system] 'D'='('
   Call: (248) [system] 'D'='['
   Call: (248) [system] 'D'='{'
   Call: (248) [system] 'D'='"'
   Call: (248) [system] 'D'=!
   Call: (248) [system] 'D'='\''
   Call: (248) [system] 'D'='`'
   Call: (248) [system] 'D'=end_of_file
^  Call: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1154616)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1175160)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1176094)
   Exit: (250) [system] peek_char((0x56051b6b4f40), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_1179886, v('(', ')', end_of_file), i)
   Call: (250) [system] ')'==i
   Call: (250) [system] get_char((0x56051b6b4f40), i)
   Exit: (250) [system] get_char((0x56051b6b4f40), i)
   Call: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1184456)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1185390)
   Exit: (251) [system] peek_char((0x56051b6b4f40), s)
^  Call: (251) [user] is_delimiter(s)
   Call: (252) [system] char_type(s, space)
   Call: (252) [system] arg(_1189182, v('(', ')', end_of_file), s)
   Call: (251) [system] ')'==s
   Call: (251) [system] get_char((0x56051b6b4f40), s)
   Exit: (251) [system] get_char((0x56051b6b4f40), s)
   Call: (251) [system] s=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1193752)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1194686)
   Exit: (252) [system] peek_char((0x56051b6b4f40), j)
^  Call: (252) [user] is_delimiter(j)
   Call: (253) [system] char_type(j, space)
   Call: (253) [system] arg(_1198478, v('(', ')', end_of_file), j)
   Call: (252) [system] ')'==j
   Call: (252) [system] get_char((0x56051b6b4f40), j)
   Exit: (252) [system] get_char((0x56051b6b4f40), j)
   Call: (252) [system] j=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1203048)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1203982)
   Exit: (253) [system] peek_char((0x56051b6b4f40), u)
^  Call: (253) [user] is_delimiter(u)
   Call: (254) [system] char_type(u, space)
   Call: (254) [system] arg(_1207774, v('(', ')', end_of_file), u)
   Call: (253) [system] ')'==u
   Call: (253) [system] get_char((0x56051b6b4f40), u)
   Exit: (253) [system] get_char((0x56051b6b4f40), u)
   Call: (253) [system] u=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1212344)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1213278)
   Exit: (254) [system] peek_char((0x56051b6b4f40), n)
^  Call: (254) [user] is_delimiter(n)
   Call: (255) [system] char_type(n, space)
   Call: (255) [system] arg(_1217070, v('(', ')', end_of_file), n)
   Call: (254) [system] ')'==n
   Call: (254) [system] get_char((0x56051b6b4f40), n)
   Exit: (254) [system] get_char((0x56051b6b4f40), n)
   Call: (254) [system] n=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1221640)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1222574)
   Exit: (255) [system] peek_char((0x56051b6b4f40), c)
^  Call: (255) [user] is_delimiter(c)
   Call: (256) [system] char_type(c, space)
   Call: (256) [system] arg(_1226366, v('(', ')', end_of_file), c)
   Call: (255) [system] ')'==c
   Call: (255) [system] get_char((0x56051b6b4f40), c)
   Exit: (255) [system] get_char((0x56051b6b4f40), c)
   Call: (255) [system] c=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1230936)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1231870)
   Exit: (256) [system] peek_char((0x56051b6b4f40), t)
^  Call: (256) [user] is_delimiter(t)
   Call: (257) [system] char_type(t, space)
   Call: (257) [system] arg(_1235662, v('(', ')', end_of_file), t)
   Call: (256) [system] ')'==t
   Call: (256) [system] get_char((0x56051b6b4f40), t)
   Exit: (256) [system] get_char((0x56051b6b4f40), t)
   Call: (256) [system] t=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1240232)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1241166)
   Exit: (257) [system] peek_char((0x56051b6b4f40), i)
^  Call: (257) [user] is_delimiter(i)
   Call: (258) [system] char_type(i, space)
   Call: (258) [system] arg(_1244958, v('(', ')', end_of_file), i)
   Call: (257) [system] ')'==i
   Call: (257) [system] get_char((0x56051b6b4f40), i)
   Exit: (257) [system] get_char((0x56051b6b4f40), i)
   Call: (257) [system] i=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1249528)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1250462)
   Exit: (258) [system] peek_char((0x56051b6b4f40), o)
^  Call: (258) [user] is_delimiter(o)
   Call: (259) [system] char_type(o, space)
   Call: (259) [system] arg(_1254254, v('(', ')', end_of_file), o)
   Call: (258) [system] ')'==o
   Call: (258) [system] get_char((0x56051b6b4f40), o)
   Exit: (258) [system] get_char((0x56051b6b4f40), o)
   Call: (258) [system] o=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1258824)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1259758)
   Exit: (259) [system] peek_char((0x56051b6b4f40), n)
^  Call: (259) [user] is_delimiter(n)
   Call: (260) [system] char_type(n, space)
   Call: (260) [system] arg(_1263550, v('(', ')', end_of_file), n)
   Call: (259) [system] ')'==n
   Call: (259) [system] get_char((0x56051b6b4f40), n)
   Exit: (259) [system] get_char((0x56051b6b4f40), n)
   Call: (259) [system] n=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1268120)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1269054)
   Exit: (260) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (260) [user] is_delimiter('I')
   Call: (261) [system] char_type('I', space)
   Call: (261) [system] arg(_1272846, v('(', ')', end_of_file), 'I')
   Call: (260) [system] ')'=='I'
   Call: (260) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (260) [system] get_char((0x56051b6b4f40), 'I')
   Call: (260) [system] 'I'=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1277416)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1278350)
   Exit: (261) [system] peek_char((0x56051b6b4f40), n)
^  Call: (261) [user] is_delimiter(n)
   Call: (262) [system] char_type(n, space)
   Call: (262) [system] arg(_1282142, v('(', ')', end_of_file), n)
   Call: (261) [system] ')'==n
   Call: (261) [system] get_char((0x56051b6b4f40), n)
   Exit: (261) [system] get_char((0x56051b6b4f40), n)
   Call: (261) [system] n=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1286712)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1287646)
   Exit: (262) [system] peek_char((0x56051b6b4f40), t)
^  Call: (262) [user] is_delimiter(t)
   Call: (263) [system] char_type(t, space)
   Call: (263) [system] arg(_1291438, v('(', ')', end_of_file), t)
   Call: (262) [system] ')'==t
   Call: (262) [system] get_char((0x56051b6b4f40), t)
   Exit: (262) [system] get_char((0x56051b6b4f40), t)
   Call: (262) [system] t=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1296008)
   Call: (263) [system] peek_char((0x56051b6b4f40), _1296942)
   Exit: (263) [system] peek_char((0x56051b6b4f40), r)
^  Call: (263) [user] is_delimiter(r)
   Call: (264) [system] char_type(r, space)
   Call: (264) [system] arg(_1300734, v('(', ')', end_of_file), r)
   Call: (263) [system] ')'==r
   Call: (263) [system] get_char((0x56051b6b4f40), r)
   Exit: (263) [system] get_char((0x56051b6b4f40), r)
   Call: (263) [system] r=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1305304)
   Call: (264) [system] peek_char((0x56051b6b4f40), _1306238)
   Exit: (264) [system] peek_char((0x56051b6b4f40), o)
^  Call: (264) [user] is_delimiter(o)
   Call: (265) [system] char_type(o, space)
   Call: (265) [system] arg(_1310030, v('(', ')', end_of_file), o)
   Call: (264) [system] ')'==o
   Call: (264) [system] get_char((0x56051b6b4f40), o)
   Exit: (264) [system] get_char((0x56051b6b4f40), o)
   Call: (264) [system] o=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1314600)
   Call: (265) [system] peek_char((0x56051b6b4f40), _1315534)
   Exit: (265) [system] peek_char((0x56051b6b4f40), d)
^  Call: (265) [user] is_delimiter(d)
   Call: (266) [system] char_type(d, space)
   Call: (266) [system] arg(_1319326, v('(', ')', end_of_file), d)
   Call: (265) [system] ')'==d
   Call: (265) [system] get_char((0x56051b6b4f40), d)
   Exit: (265) [system] get_char((0x56051b6b4f40), d)
   Call: (265) [system] d=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1323896)
   Call: (266) [system] peek_char((0x56051b6b4f40), _1324830)
   Exit: (266) [system] peek_char((0x56051b6b4f40), u)
^  Call: (266) [user] is_delimiter(u)
   Call: (267) [system] char_type(u, space)
   Call: (267) [system] arg(_1328622, v('(', ')', end_of_file), u)
   Call: (266) [system] ')'==u
   Call: (266) [system] get_char((0x56051b6b4f40), u)
   Exit: (266) [system] get_char((0x56051b6b4f40), u)
   Call: (266) [system] u=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1333192)
   Call: (267) [system] peek_char((0x56051b6b4f40), _1334126)
   Exit: (267) [system] peek_char((0x56051b6b4f40), c)
^  Call: (267) [user] is_delimiter(c)
   Call: (268) [system] char_type(c, space)
   Call: (268) [system] arg(_1337918, v('(', ')', end_of_file), c)
   Call: (267) [system] ')'==c
   Call: (267) [system] get_char((0x56051b6b4f40), c)
   Exit: (267) [system] get_char((0x56051b6b4f40), c)
   Call: (267) [system] c=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1342488)
   Call: (268) [system] peek_char((0x56051b6b4f40), _1343422)
   Exit: (268) [system] peek_char((0x56051b6b4f40), t)
^  Call: (268) [user] is_delimiter(t)
   Call: (269) [system] char_type(t, space)
   Call: (269) [system] arg(_1347214, v('(', ')', end_of_file), t)
   Call: (268) [system] ')'==t
   Call: (268) [system] get_char((0x56051b6b4f40), t)
   Exit: (268) [system] get_char((0x56051b6b4f40), t)
   Call: (268) [system] t=(\)
^  Call: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1351784)
   Call: (269) [system] peek_char((0x56051b6b4f40), _1352718)
   Exit: (269) [system] peek_char((0x56051b6b4f40), i)
^  Call: (269) [user] is_delimiter(i)
   Call: (270) [system] char_type(i, space)
   Call: (270) [system] arg(_1356510, v('(', ')', end_of_file), i)
   Call: (269) [system] ')'==i
   Call: (269) [system] get_char((0x56051b6b4f40), i)
   Exit: (269) [system] get_char((0x56051b6b4f40), i)
   Call: (269) [system] i=(\)
^  Call: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1361080)
   Call: (270) [system] peek_char((0x56051b6b4f40), _1362014)
   Exit: (270) [system] peek_char((0x56051b6b4f40), o)
^  Call: (270) [user] is_delimiter(o)
   Call: (271) [system] char_type(o, space)
   Call: (271) [system] arg(_1365806, v('(', ')', end_of_file), o)
   Call: (270) [system] ')'==o
   Call: (270) [system] get_char((0x56051b6b4f40), o)
   Exit: (270) [system] get_char((0x56051b6b4f40), o)
   Call: (270) [system] o=(\)
^  Call: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1370376)
   Call: (271) [system] peek_char((0x56051b6b4f40), _1371310)
   Exit: (271) [system] peek_char((0x56051b6b4f40), n)
^  Call: (271) [user] is_delimiter(n)
   Call: (272) [system] char_type(n, space)
   Call: (272) [system] arg(_1375102, v('(', ')', end_of_file), n)
   Call: (271) [system] ')'==n
   Call: (271) [system] get_char((0x56051b6b4f40), n)
   Exit: (271) [system] get_char((0x56051b6b4f40), n)
   Call: (271) [system] n=(\)
^  Call: (271) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1379672)
   Call: (272) [system] peek_char((0x56051b6b4f40), _1380606)
   Exit: (272) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (272) [user] is_delimiter(' ')
   Call: (273) [system] char_type(' ', space)
   Exit: (273) [system] char_type(' ', space)
^  Exit: (272) [user] is_delimiter(' ')
   Call: (272) [system] _1379672=[]
   Exit: (272) [system] []=[]
^  Exit: (271) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (271) [system] _1370376=[n]
   Exit: (271) [system] [n]=[n]
^  Exit: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (270) [system] _1361080=[o, n]
   Exit: (270) [system] [o, n]=[o, n]
^  Exit: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (269) [system] _1351784=[i, o, n]
   Exit: (269) [system] [i, o, n]=[i, o, n]
^  Exit: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (268) [system] _1342488=[t, i, o, n]
   Exit: (268) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (267) [system] _1333192=[c, t, i, o, n]
   Exit: (267) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (266) [system] _1323896=[u, c, t, i, o, n]
   Exit: (266) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (265) [system] _1314600=[d, u, c, t, i, o, n]
   Exit: (265) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (264) [system] _1305304=[o, d, u, c, t, i, o, n]
   Exit: (264) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (263) [system] _1296008=[r, o, d, u, c, t, i, o, n]
   Exit: (263) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (262) [system] _1286712=[t, r, o, d, u, c, t, i, o, n]
   Exit: (262) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (261) [system] _1277416=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (261) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (260) [system] _1268120=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (260) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (259) [system] _1258824=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _1249528=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _1240232=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _1230936=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _1221640=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _1212344=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _1203048=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _1193752=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _1184456=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _1175160=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (249) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1154616)
^  Call: (251) [system] setup_call_cleanup('$notrace'(_1451384, _1451386), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1154616), _1451360, fail)), '$restore_trace'(_1451384, _1451386))
^  Call: (252) [system] sig_atomic(system:'$notrace'(_1451384, _1451386))
^  Exit: (251) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _1154616), _1451360, fail)), system:'$restore_trace'(3, -1))
   Call: (250) [system] atomic(_1154616)
   Call: (250) [system] atom_chars(_1154616, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (250) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (249) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1459836)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1461694)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (249) [system] ' '=(;)
^  Call: (249) [user] is_like_space(' ')
   Call: (250) [system] char_type(' ', 'white')
   Exit: (250) [system] char_type(' ', 'white')
^  Exit: (249) [user] is_like_space(' ')
   Call: (249) [system] get_char((0x56051b6b4f40), _1468504)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1471208)
   Exit: (250) [system] peek_char((0x56051b6b4f40), a)
   Call: (250) [system] a=(;)
^  Call: (250) [user] is_like_space(a)
   Call: (251) [system] char_type(a, 'white')
   Call: (251) [system] char_type(a, end_of_line)
   Call: (251) [system] char_type(a, space)
   Call: (251) [system] char_type(a, cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1480600)
   Exit: (248) [system] peek_char((0x56051b6b4f40), a)
   Call: (248) [system] a=')'
   Call: (248) [system] a=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _1484314)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1486172)
   Exit: (250) [system] peek_char((0x56051b6b4f40), a)
   Call: (250) [system] a=(;)
^  Call: (250) [user] is_like_space(a)
   Call: (251) [system] char_type(a, 'white')
   Call: (251) [system] char_type(a, end_of_line)
   Call: (251) [system] char_type(a, space)
   Call: (251) [system] char_type(a, cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _1494640)
   Exit: (249) [system] get_char((0x56051b6b4f40), a)
   Call: (249) [system] a='('
   Call: (249) [system] a='['
   Call: (249) [system] a='{'
   Call: (249) [system] a='"'
   Call: (249) [system] a=!
   Call: (249) [system] a='\''
   Call: (249) [system] a='`'
   Call: (249) [system] a=end_of_file
^  Call: (249) [user] read_symbolic(')', (0x56051b6b4f40), a, _1484314)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1504858)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1505792)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _1504858=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (250) [user] classify_and_convert_charseq(a, [], _1484314)
^  Call: (252) [system] setup_call_cleanup('$notrace'(_1515102, _1515104), once(user:catch(read_from_chars([a], _1484314), _1515078, fail)), '$restore_trace'(_1515102, _1515104))
^  Call: (253) [system] sig_atomic(system:'$notrace'(_1515102, _1515104))
^  Exit: (252) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1515078, fail)), system:'$restore_trace'(3, -1))
   Call: (251) [system] atomic(a)
   Exit: (251) [system] atomic(a)
^  Exit: (250) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (249) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1522602)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1524460)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (250) [system] ' '=(;)
^  Call: (250) [user] is_like_space(' ')
   Call: (251) [system] char_type(' ', 'white')
   Exit: (251) [system] char_type(' ', 'white')
^  Exit: (250) [user] is_like_space(' ')
   Call: (250) [system] get_char((0x56051b6b4f40), _1531270)
   Exit: (250) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1533974)
   Exit: (251) [system] peek_char((0x56051b6b4f40), a)
   Call: (251) [system] a=(;)
^  Call: (251) [user] is_like_space(a)
   Call: (252) [system] char_type(a, 'white')
   Call: (252) [system] char_type(a, end_of_line)
   Call: (252) [system] char_type(a, space)
   Call: (252) [system] char_type(a, cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1543366)
   Exit: (249) [system] peek_char((0x56051b6b4f40), a)
   Call: (249) [system] a=')'
   Call: (249) [system] a=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _1547080)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1548938)
   Exit: (251) [system] peek_char((0x56051b6b4f40), a)
   Call: (251) [system] a=(;)
^  Call: (251) [user] is_like_space(a)
   Call: (252) [system] char_type(a, 'white')
   Call: (252) [system] char_type(a, end_of_line)
   Call: (252) [system] char_type(a, space)
   Call: (252) [system] char_type(a, cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _1557406)
   Exit: (250) [system] get_char((0x56051b6b4f40), a)
   Call: (250) [system] a='('
   Call: (250) [system] a='['
   Call: (250) [system] a='{'
   Call: (250) [system] a='"'
   Call: (250) [system] a=!
   Call: (250) [system] a='\''
   Call: (250) [system] a='`'
   Call: (250) [system] a=end_of_file
^  Call: (250) [user] read_symbolic(')', (0x56051b6b4f40), a, _1547080)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1567624)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1568558)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (252) [user] is_delimiter(')')
   Call: (253) [system] char_type(')', space)
   Call: (253) [system] arg(_1572350, v('(', ')', end_of_file), ')')
   Exit: (253) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (252) [user] is_delimiter(')')
   Call: (252) [system] _1567624=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (251) [user] classify_and_convert_charseq(a, [], _1547080)
^  Call: (253) [system] setup_call_cleanup('$notrace'(_1578812, _1578814), once(user:catch(read_from_chars([a], _1547080), _1578788, fail)), '$restore_trace'(_1578812, _1578814))
^  Call: (254) [system] sig_atomic(system:'$notrace'(_1578812, _1578814))
^  Exit: (253) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1578788, fail)), system:'$restore_trace'(3, -1))
   Call: (252) [system] atomic(a)
   Exit: (252) [system] atomic(a)
^  Exit: (251) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (250) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1586312)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1588170)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
   Call: (251) [system] ')'=(;)
^  Call: (251) [user] is_like_space(')')
   Call: (252) [system] char_type(')', 'white')
   Call: (252) [system] char_type(')', end_of_line)
   Call: (252) [system] char_type(')', space)
   Call: (252) [system] char_type(')', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1596638)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
   Call: (250) [system] ')'=')'
   Exit: (250) [system] ')'=')'
   Call: (250) [system] get_char((0x56051b6b4f40), _1600428)
   Exit: (250) [system] get_char((0x56051b6b4f40), ')')
   Call: (250) [system] _1586312=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (249) [system] _1522602=[a]
   Exit: (249) [system] [a]=[a]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (248) [system] _1459836=[a, a]
   Exit: (248) [system] [a, a]=[a, a]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (247) [system] _1126538=['DisjunctionIntroduction', a, a]
   Exit: (247) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1614310)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1616168)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=(;)
^  Call: (247) [user] is_like_space(')')
   Call: (248) [system] char_type(')', 'white')
   Call: (248) [system] char_type(')', end_of_line)
   Call: (248) [system] char_type(')', space)
   Call: (248) [system] char_type(')', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1624636)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=')'
   Exit: (246) [system] ')'=')'
   Call: (246) [system] get_char((0x56051b6b4f40), _1628426)
   Exit: (246) [system] get_char((0x56051b6b4f40), ')')
   Call: (246) [system] _1614310=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (245) [system] _1102060=[['DisjunctionIntroduction', a, a]]
   Exit: (245) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a]])
   Call: (244) [system] _1039294=[a, ['DisjunctionIntroduction', a, a]]
   Exit: (244) [system] [a, ['DisjunctionIntroduction', a, a]]=[a, ['DisjunctionIntroduction', a, a]]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [a, ['DisjunctionIntroduction', a, a]])
   Call: (243) [system] _705996=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]]
   Exit: (243) [system] ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]])
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]])
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _1642308)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1644166)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _1650976)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1653680)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1663072)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=')'
   Call: (242) [system] '('=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _1666786)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1668644)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _1677112)
   Exit: (243) [system] get_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('='('
   Exit: (243) [system] '('='('
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1666786)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1682682)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'=(;)
^  Call: (245) [user] is_like_space('O')
   Call: (246) [system] char_type('O', 'white')
   Call: (246) [system] char_type('O', end_of_line)
   Call: (246) [system] char_type('O', space)
   Call: (246) [system] char_type('O', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1691150)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (244) [system] 'O'=')'
   Call: (244) [system] 'O'=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _1694864)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1696722)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (246) [system] 'O'=(;)
^  Call: (246) [user] is_like_space('O')
   Call: (247) [system] char_type('O', 'white')
   Call: (247) [system] char_type('O', end_of_line)
   Call: (247) [system] char_type('O', space)
   Call: (247) [system] char_type('O', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _1705190)
   Exit: (245) [system] get_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'='('
   Call: (245) [system] 'O'='['
   Call: (245) [system] 'O'='{'
   Call: (245) [system] 'O'='"'
   Call: (245) [system] 'O'=!
   Call: (245) [system] 'O'='\''
   Call: (245) [system] 'O'='`'
   Call: (245) [system] 'O'=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1694864)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1715408)
   Call: (247) [system] peek_char((0x56051b6b4f40), _1716342)
   Exit: (247) [system] peek_char((0x56051b6b4f40), r)
^  Call: (247) [user] is_delimiter(r)
   Call: (248) [system] char_type(r, space)
   Call: (248) [system] arg(_1720134, v('(', ')', end_of_file), r)
   Call: (247) [system] ')'==r
   Call: (247) [system] get_char((0x56051b6b4f40), r)
   Exit: (247) [system] get_char((0x56051b6b4f40), r)
   Call: (247) [system] r=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1724704)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1725638)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (248) [user] is_delimiter('L')
   Call: (249) [system] char_type('L', space)
   Call: (249) [system] arg(_1729430, v('(', ')', end_of_file), 'L')
   Call: (248) [system] ')'=='L'
   Call: (248) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (248) [system] get_char((0x56051b6b4f40), 'L')
   Call: (248) [system] 'L'=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1734000)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1734934)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_1738726, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1743296)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1744230)
   Exit: (250) [system] peek_char((0x56051b6b4f40), n)
^  Call: (250) [user] is_delimiter(n)
   Call: (251) [system] char_type(n, space)
   Call: (251) [system] arg(_1748022, v('(', ')', end_of_file), n)
   Call: (250) [system] ')'==n
   Call: (250) [system] get_char((0x56051b6b4f40), n)
   Exit: (250) [system] get_char((0x56051b6b4f40), n)
   Call: (250) [system] n=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1752592)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1753526)
   Exit: (251) [system] peek_char((0x56051b6b4f40), k)
^  Call: (251) [user] is_delimiter(k)
   Call: (252) [system] char_type(k, space)
   Call: (252) [system] arg(_1757318, v('(', ')', end_of_file), k)
   Call: (251) [system] ')'==k
   Call: (251) [system] get_char((0x56051b6b4f40), k)
   Exit: (251) [system] get_char((0x56051b6b4f40), k)
   Call: (251) [system] k=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1761888)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1762822)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _1761888=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (251) [system] _1752592=[k]
   Exit: (251) [system] [k]=[k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (250) [system] _1743296=[n, k]
   Exit: (250) [system] [n, k]=[n, k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (249) [system] _1734000=[i, n, k]
   Exit: (249) [system] [i, n, k]=[i, n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (248) [system] _1724704=['L', i, n, k]
   Exit: (248) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (247) [system] _1715408=[r, 'L', i, n, k]
   Exit: (247) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (246) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1694864)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_1786102, _1786104), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1694864), _1786078, fail)), '$restore_trace'(_1786102, _1786104))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_1786102, _1786104))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1694864), _1786078, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(_1694864)
   Call: (247) [system] atom_chars(_1694864, ['O', r, 'L', i, n, k])
   Exit: (247) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (246) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _1794554)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1796412)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _1803222)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1805926)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (247) [system] 'B'=(;)
^  Call: (247) [user] is_like_space('B')
   Call: (248) [system] char_type('B', 'white')
   Call: (248) [system] char_type('B', end_of_line)
   Call: (248) [system] char_type('B', space)
   Call: (248) [system] char_type('B', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1815318)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (245) [system] 'B'=')'
   Call: (245) [system] 'B'=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _1819032)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1820890)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (247) [system] 'B'=(;)
^  Call: (247) [user] is_like_space('B')
   Call: (248) [system] char_type('B', 'white')
   Call: (248) [system] char_type('B', end_of_line)
   Call: (248) [system] char_type('B', space)
   Call: (248) [system] char_type('B', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _1829358)
   Exit: (246) [system] get_char((0x56051b6b4f40), 'B')
   Call: (246) [system] 'B'='('
   Call: (246) [system] 'B'='['
   Call: (246) [system] 'B'='{'
   Call: (246) [system] 'B'='"'
   Call: (246) [system] 'B'=!
   Call: (246) [system] 'B'='\''
   Call: (246) [system] 'B'='`'
   Call: (246) [system] 'B'=end_of_file
^  Call: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1819032)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1839576)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1840510)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _1839576=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (247) [user] classify_and_convert_charseq('B', [], _1819032)
^  Call: (249) [system] setup_call_cleanup('$notrace'(_1849820, _1849822), once(user:catch(read_from_chars(['B'], _1819032), _1849796, fail)), '$restore_trace'(_1849820, _1849822))
^  Call: (250) [system] sig_atomic(system:'$notrace'(_1849820, _1849822))
^  Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1819032), _1849796, fail)), system:'$restore_trace'(3, -1))
   Call: (248) [system] atomic(_1819032)
   Call: (248) [system] atom_chars(_1819032, ['B'])
   Exit: (248) [system] atom_chars('B', ['B'])
^  Exit: (247) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1858272)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1860130)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (247) [system] ' '=(;)
^  Call: (247) [user] is_like_space(' ')
   Call: (248) [system] char_type(' ', 'white')
   Exit: (248) [system] char_type(' ', 'white')
^  Exit: (247) [user] is_like_space(' ')
   Call: (247) [system] get_char((0x56051b6b4f40), _1866940)
   Exit: (247) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1869644)
   Exit: (248) [system] peek_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('=(;)
^  Call: (248) [user] is_like_space('(')
   Call: (249) [system] char_type('(', 'white')
   Call: (249) [system] char_type('(', end_of_line)
   Call: (249) [system] char_type('(', space)
   Call: (249) [system] char_type('(', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1879036)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=')'
   Call: (246) [system] '('=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _1882750)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1884608)
   Exit: (248) [system] peek_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('=(;)
^  Call: (248) [user] is_like_space('(')
   Call: (249) [system] char_type('(', 'white')
   Call: (249) [system] char_type('(', end_of_line)
   Call: (249) [system] char_type('(', space)
   Call: (249) [system] char_type('(', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _1893076)
   Exit: (247) [system] get_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('='('
   Exit: (247) [system] '('='('
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1882750)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1898646)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (249) [system] 'O'=(;)
^  Call: (249) [user] is_like_space('O')
   Call: (250) [system] char_type('O', 'white')
   Call: (250) [system] char_type('O', end_of_line)
   Call: (250) [system] char_type('O', space)
   Call: (250) [system] char_type('O', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1907114)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (248) [system] 'O'=')'
   Call: (248) [system] 'O'=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _1910828)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1912686)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (250) [system] 'O'=(;)
^  Call: (250) [user] is_like_space('O')
   Call: (251) [system] char_type('O', 'white')
   Call: (251) [system] char_type('O', end_of_line)
   Call: (251) [system] char_type('O', space)
   Call: (251) [system] char_type('O', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _1921154)
   Exit: (249) [system] get_char((0x56051b6b4f40), 'O')
   Call: (249) [system] 'O'='('
   Call: (249) [system] 'O'='['
   Call: (249) [system] 'O'='{'
   Call: (249) [system] 'O'='"'
   Call: (249) [system] 'O'=!
   Call: (249) [system] 'O'='\''
   Call: (249) [system] 'O'='`'
   Call: (249) [system] 'O'=end_of_file
^  Call: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1910828)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1931372)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1932306)
   Exit: (251) [system] peek_char((0x56051b6b4f40), r)
^  Call: (251) [user] is_delimiter(r)
   Call: (252) [system] char_type(r, space)
   Call: (252) [system] arg(_1936098, v('(', ')', end_of_file), r)
   Call: (251) [system] ')'==r
   Call: (251) [system] get_char((0x56051b6b4f40), r)
   Exit: (251) [system] get_char((0x56051b6b4f40), r)
   Call: (251) [system] r=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1940668)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1941602)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (252) [user] is_delimiter('L')
   Call: (253) [system] char_type('L', space)
   Call: (253) [system] arg(_1945394, v('(', ')', end_of_file), 'L')
   Call: (252) [system] ')'=='L'
   Call: (252) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (252) [system] get_char((0x56051b6b4f40), 'L')
   Call: (252) [system] 'L'=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1949964)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1950898)
   Exit: (253) [system] peek_char((0x56051b6b4f40), i)
^  Call: (253) [user] is_delimiter(i)
   Call: (254) [system] char_type(i, space)
   Call: (254) [system] arg(_1954690, v('(', ')', end_of_file), i)
   Call: (253) [system] ')'==i
   Call: (253) [system] get_char((0x56051b6b4f40), i)
   Exit: (253) [system] get_char((0x56051b6b4f40), i)
   Call: (253) [system] i=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959260)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1960194)
   Exit: (254) [system] peek_char((0x56051b6b4f40), n)
^  Call: (254) [user] is_delimiter(n)
   Call: (255) [system] char_type(n, space)
   Call: (255) [system] arg(_1963986, v('(', ')', end_of_file), n)
   Call: (254) [system] ')'==n
   Call: (254) [system] get_char((0x56051b6b4f40), n)
   Exit: (254) [system] get_char((0x56051b6b4f40), n)
   Call: (254) [system] n=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1968556)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1969490)
   Exit: (255) [system] peek_char((0x56051b6b4f40), k)
^  Call: (255) [user] is_delimiter(k)
   Call: (256) [system] char_type(k, space)
   Call: (256) [system] arg(_1973282, v('(', ')', end_of_file), k)
   Call: (255) [system] ')'==k
   Call: (255) [system] get_char((0x56051b6b4f40), k)
   Exit: (255) [system] get_char((0x56051b6b4f40), k)
   Call: (255) [system] k=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1977852)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1978786)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (256) [user] is_delimiter(' ')
   Call: (257) [system] char_type(' ', space)
   Exit: (257) [system] char_type(' ', space)
^  Exit: (256) [user] is_delimiter(' ')
   Call: (256) [system] _1977852=[]
   Exit: (256) [system] []=[]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (255) [system] _1968556=[k]
   Exit: (255) [system] [k]=[k]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (254) [system] _1959260=[n, k]
   Exit: (254) [system] [n, k]=[n, k]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (253) [system] _1949964=[i, n, k]
   Exit: (253) [system] [i, n, k]=[i, n, k]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (252) [system] _1940668=['L', i, n, k]
   Exit: (252) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (251) [system] _1931372=[r, 'L', i, n, k]
   Exit: (251) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (250) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1910828)
^  Call: (252) [system] setup_call_cleanup('$notrace'(_2002066, _2002068), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1910828), _2002042, fail)), '$restore_trace'(_2002066, _2002068))
^  Call: (253) [system] sig_atomic(system:'$notrace'(_2002066, _2002068))
^  Exit: (252) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1910828), _2002042, fail)), system:'$restore_trace'(3, -1))
   Call: (251) [system] atomic(_1910828)
   Call: (251) [system] atom_chars(_1910828, ['O', r, 'L', i, n, k])
   Exit: (251) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (250) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _2010518)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _2012376)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (250) [system] ' '=(;)
^  Call: (250) [user] is_like_space(' ')
   Call: (251) [system] char_type(' ', 'white')
   Exit: (251) [system] char_type(' ', 'white')
^  Exit: (250) [user] is_like_space(' ')
   Call: (250) [system] get_char((0x56051b6b4f40), _2019186)
   Exit: (250) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _2021890)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (251) [system] 'B'=(;)
^  Call: (251) [user] is_like_space('B')
   Call: (252) [system] char_type('B', 'white')
   Call: (252) [system] char_type('B', end_of_line)
   Call: (252) [system] char_type('B', space)
   Call: (252) [system] char_type('B', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _2031282)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (249) [system] 'B'=')'
   Call: (249) [system] 'B'=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _2034996)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _2036854)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (251) [system] 'B'=(;)
^  Call: (251) [user] is_like_space('B')
   Call: (252) [system] char_type('B', 'white')
   Call: (252) [system] char_type('B', end_of_line)
   Call: (252) [system] char_type('B', space)
   Call: (252) [system] char_type('B', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _2045322)
   Exit: (250) [system] get_char((0x56051b6b4f40), 'B')
   Call: (250) [system] 'B'='('
   Call: (250) [system] 'B'='['
   Call: (250) [system] 'B'='{'
   Call: (250) [system] 'B'='"'
   Call: (250) [system] 'B'=!
   Call: (250) [system] 'B'='\''
   Call: (250) [system] 'B'='`'
   Call: (250) [system] 'B'=end_of_file
^  Call: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _2034996)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2055540)
   Call: (252) [system] peek_char((0x56051b6b4f40), _2056474)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _2055540=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (251) [user] classify_and_convert_charseq('B', [], _2034996)
^  Call: (253) [system] setup_call_cleanup('$notrace'(_2065784, _2065786), once(user:catch(read_from_chars(['B'], _2034996), _2065760, fail)), '$restore_trace'(_2065784, _2065786))
^  Call: (254) [system] sig_atomic(system:'$notrace'(_2065784, _2065786))
^  Exit: (253) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _2034996), _2065760, fail)), system:'$restore_trace'(3, -1))
   Call: (252) [system] atomic(_2034996)
   Call: (252) [system] atom_chars(_2034996, ['B'])
   Exit: (252) [system] atom_chars('B', ['B'])
^  Exit: (251) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _2074236)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _2076094)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (251) [system] ' '=(;)
^  Call: (251) [user] is_like_space(' ')
   Call: (252) [system] char_type(' ', 'white')
   Exit: (252) [system] char_type(' ', 'white')
^  Exit: (251) [user] is_like_space(' ')
   Call: (251) [system] get_char((0x56051b6b4f40), _2082904)
   Exit: (251) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _2085608)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (252) [system] 'B'=(;)
^  Call: (252) [user] is_like_space('B')
   Call: (253) [system] char_type('B', 'white')
   Call: (253) [system] char_type('B', end_of_line)
   Call: (253) [system] char_type('B', space)
   Call: (253) [system] char_type('B', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _2095000)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (250) [system] 'B'=')'
   Call: (250) [system] 'B'=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _12402)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _14260)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (252) [system] 'B'=(;)
^  Call: (252) [user] is_like_space('B')
   Call: (253) [system] char_type('B', 'white')
   Call: (253) [system] char_type('B', end_of_line)
   Call: (253) [system] char_type('B', space)
   Call: (253) [system] char_type('B', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _22728)
   Exit: (251) [system] get_char((0x56051b6b4f40), 'B')
   Call: (251) [system] 'B'='('
   Call: (251) [system] 'B'='['
   Call: (251) [system] 'B'='{'
   Call: (251) [system] 'B'='"'
   Call: (251) [system] 'B'=!
   Call: (251) [system] 'B'='\''
   Call: (251) [system] 'B'='`'
   Call: (251) [system] 'B'=end_of_file
^  Call: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _12402)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _32946)
   Call: (253) [system] peek_char((0x56051b6b4f40), _33880)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (253) [user] is_delimiter(')')
   Call: (254) [system] char_type(')', space)
   Call: (254) [system] arg(_37672, v('(', ')', end_of_file), ')')
   Exit: (254) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (253) [user] is_delimiter(')')
   Call: (253) [system] _32946=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (252) [user] classify_and_convert_charseq('B', [], _12402)
^  Call: (254) [system] setup_call_cleanup('$notrace'(_44134, _44136), once(user:catch(read_from_chars(['B'], _12402), _44110, fail)), '$restore_trace'(_44134, _44136))
^  Call: (255) [system] sig_atomic(system:'$notrace'(_44134, _44136))
^  Exit: (254) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _12402), _44110, fail)), system:'$restore_trace'(3, -1))
   Call: (253) [system] atomic(_12402)
   Call: (253) [system] atom_chars(_12402, ['B'])
   Exit: (253) [system] atom_chars('B', ['B'])
^  Exit: (252) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _52586)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _54444)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
   Call: (252) [system] ')'=(;)
^  Call: (252) [user] is_like_space(')')
   Call: (253) [system] char_type(')', 'white')
   Call: (253) [system] char_type(')', end_of_line)
   Call: (253) [system] char_type(')', space)
   Call: (253) [system] char_type(')', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _62912)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
   Call: (251) [system] ')'=')'
   Exit: (251) [system] ')'=')'
   Call: (251) [system] get_char((0x56051b6b4f40), _66702)
   Exit: (251) [system] get_char((0x56051b6b4f40), ')')
   Call: (251) [system] _52586=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (250) [system] _10594=['B']
   Exit: (250) [system] ['B']=['B']
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (249) [system] _10588=['B', 'B']
   Exit: (249) [system] ['B', 'B']=['B', 'B']
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), ['B', 'B'])
   Call: (248) [system] _10580=['OrLink', 'B', 'B']
   Exit: (248) [system] ['OrLink', 'B', 'B']=['OrLink', 'B', 'B']
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', 'B'])
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', 'B'])
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _80584)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _82442)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
   Call: (248) [system] ')'=(;)
^  Call: (248) [user] is_like_space(')')
   Call: (249) [system] char_type(')', 'white')
   Call: (249) [system] char_type(')', end_of_line)
   Call: (249) [system] char_type(')', space)
   Call: (249) [system] char_type(')', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _90910)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=')'
   Exit: (247) [system] ')'=')'
   Call: (247) [system] get_char((0x56051b6b4f40), _94700)
   Exit: (247) [system] get_char((0x56051b6b4f40), ')')
   Call: (247) [system] _80584=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (246) [system] _10576=[['OrLink', 'B', 'B']]
   Exit: (246) [system] [['OrLink', 'B', 'B']]=[['OrLink', 'B', 'B']]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', 'B']])
   Call: (245) [system] _10570=['B', ['OrLink', 'B', 'B']]
   Exit: (245) [system] ['B', ['OrLink', 'B', 'B']]=['B', ['OrLink', 'B', 'B']]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), ['B', ['OrLink', 'B', 'B']])
   Call: (244) [system] _10562=['OrLink', 'B', ['OrLink', 'B', 'B']]
   Exit: (244) [system] ['OrLink', 'B', ['OrLink', 'B', 'B']]=['OrLink', 'B', ['OrLink', 'B', 'B']]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', 'B', 'B']])
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', 'B', 'B']])
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _108582)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _110440)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=(;)
^  Call: (244) [user] is_like_space(')')
   Call: (245) [system] char_type(')', 'white')
   Call: (245) [system] char_type(')', end_of_line)
   Call: (245) [system] char_type(')', space)
   Call: (245) [system] char_type(')', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _118908)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ')')
   Call: (243) [system] ')'=')'
   Exit: (243) [system] ')'=')'
   Call: (243) [system] get_char((0x56051b6b4f40), _122698)
   Exit: (243) [system] get_char((0x56051b6b4f40), ')')
   Call: (243) [system] _108582=[]
   Exit: (243) [system] []=[]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (242) [system] _10558=[['OrLink', 'B', ['OrLink', 'B', 'B']]]
   Exit: (242) [system] [['OrLink', 'B', ['OrLink', 'B', 'B']]]=[['OrLink', 'B', ['OrLink', 'B', 'B']]]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['OrLink', 'B', 'B']]])
   Call: (241) [system] _10516=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'B']]]
   Exit: (241) [system] [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'B']]]=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'B']]]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'B']]])
   Call: (240) [system] _10508=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'B']]]
   Exit: (240) [system] [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'B']]]=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'B']]]
^  Exit: (239) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'B']]])
^  Exit: (238) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'B']]])
^  Call: (238) [user] read_list(')', (0x56051b6b4f40), _136580)
^  Call: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _138438)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (240) [system] '\n'=(;)
^  Call: (240) [user] is_like_space('\n')
   Call: (241) [system] char_type('\n', 'white')
   Call: (241) [system] char_type('\n', end_of_line)
   Exit: (241) [system] char_type('\n', end_of_line)
^  Exit: (240) [user] is_like_space('\n')
   Call: (240) [system] get_char((0x56051b6b4f40), _146054)
   Exit: (240) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _148758)
   Exit: (241) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (241) [system] ' '=(;)
^  Call: (241) [user] is_like_space(' ')
   Call: (242) [system] char_type(' ', 'white')
   Exit: (242) [system] char_type(' ', 'white')
^  Exit: (241) [user] is_like_space(' ')
   Call: (241) [system] get_char((0x56051b6b4f40), _155568)
   Exit: (241) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _158272)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (239) [user] skip_spaces((0x56051b6b4f40))
   Call: (239) [system] peek_char((0x56051b6b4f40), _168588)
   Exit: (239) [system] peek_char((0x56051b6b4f40), '(')
   Call: (239) [system] '('=')'
   Call: (239) [system] '('=end_of_file
^  Call: (239) [user] cont_sexpr(')', (0x56051b6b4f40), _172302)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _174160)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=(;)
^  Call: (241) [user] is_like_space('(')
   Call: (242) [system] char_type('(', 'white')
   Call: (242) [system] char_type('(', end_of_line)
   Call: (242) [system] char_type('(', space)
   Call: (242) [system] char_type('(', cntrl)
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] get_char((0x56051b6b4f40), _182628)
   Exit: (240) [system] get_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('='('
   Exit: (240) [system] '('='('
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _172302)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _188198)
   Exit: (242) [system] peek_char((0x56051b6b4f40), :)
   Call: (242) [system] (:)=(;)
^  Call: (242) [user] is_like_space(:)
   Call: (243) [system] char_type(:, 'white')
   Call: (243) [system] char_type(:, end_of_line)
   Call: (243) [system] char_type(:, space)
   Call: (243) [system] char_type(:, cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _196666)
   Exit: (241) [system] peek_char((0x56051b6b4f40), :)
   Call: (241) [system] (:)=')'
   Call: (241) [system] (:)=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _200380)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _202238)
   Exit: (243) [system] peek_char((0x56051b6b4f40), :)
   Call: (243) [system] (:)=(;)
^  Call: (243) [user] is_like_space(:)
   Call: (244) [system] char_type(:, 'white')
   Call: (244) [system] char_type(:, end_of_line)
   Call: (244) [system] char_type(:, space)
   Call: (244) [system] char_type(:, cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _210706)
   Exit: (242) [system] get_char((0x56051b6b4f40), :)
   Call: (242) [system] (:)='('
   Call: (242) [system] (:)='['
   Call: (242) [system] (:)='{'
   Call: (242) [system] (:)='"'
   Call: (242) [system] (:)=!
   Call: (242) [system] (:)='\''
   Call: (242) [system] (:)='`'
   Call: (242) [system] (:)=end_of_file
^  Call: (242) [user] read_symbolic(')', (0x56051b6b4f40), :, _200380)
^  Call: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), _220924)
   Call: (244) [system] peek_char((0x56051b6b4f40), _221858)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] is_delimiter(' ')
   Call: (245) [system] char_type(' ', space)
   Exit: (245) [system] char_type(' ', space)
^  Exit: (244) [user] is_delimiter(' ')
   Call: (244) [system] _220924=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (243) [user] classify_and_convert_charseq(:, [], _200380)
^  Call: (245) [system] setup_call_cleanup('$notrace'(_231168, _231170), once(user:catch(read_from_chars([:], _200380), _231144, fail)), '$restore_trace'(_231168, _231170))
^  Call: (246) [system] sig_atomic(system:'$notrace'(_231168, _231170))
^  Exit: (245) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _231144, fail)), system:'$restore_trace'(3, -1))
   Call: (244) [system] atomic(:)
   Exit: (244) [system] atomic(:)
^  Exit: (243) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (242) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _238668)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _240526)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _247336)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _250040)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _259432)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=')'
   Call: (242) [system] '('=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _263146)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _265004)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _273472)
   Exit: (243) [system] get_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('='('
   Exit: (243) [system] '('='('
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _263146)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _279042)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (245) [system] 'D'=(;)
^  Call: (245) [user] is_like_space('D')
   Call: (246) [system] char_type('D', 'white')
   Call: (246) [system] char_type('D', end_of_line)
   Call: (246) [system] char_type('D', space)
   Call: (246) [system] char_type('D', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _287510)
   Exit: (244) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (244) [system] 'D'=')'
   Call: (244) [system] 'D'=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _291224)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _293082)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (246) [system] 'D'=(;)
^  Call: (246) [user] is_like_space('D')
   Call: (247) [system] char_type('D', 'white')
   Call: (247) [system] char_type('D', end_of_line)
   Call: (247) [system] char_type('D', space)
   Call: (247) [system] char_type('D', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _301550)
   Exit: (245) [system] get_char((0x56051b6b4f40), 'D')
   Call: (245) [system] 'D'='('
   Call: (245) [system] 'D'='['
   Call: (245) [system] 'D'='{'
   Call: (245) [system] 'D'='"'
   Call: (245) [system] 'D'=!
   Call: (245) [system] 'D'='\''
   Call: (245) [system] 'D'='`'
   Call: (245) [system] 'D'=end_of_file
^  Call: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _291224)
^  Call: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), _311768)
   Call: (247) [system] peek_char((0x56051b6b4f40), _312702)
   Exit: (247) [system] peek_char((0x56051b6b4f40), i)
^  Call: (247) [user] is_delimiter(i)
   Call: (248) [system] char_type(i, space)
   Call: (248) [system] arg(_316494, v('(', ')', end_of_file), i)
   Call: (247) [system] ')'==i
   Call: (247) [system] get_char((0x56051b6b4f40), i)
   Exit: (247) [system] get_char((0x56051b6b4f40), i)
   Call: (247) [system] i=(\)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _321064)
   Call: (248) [system] peek_char((0x56051b6b4f40), _321998)
   Exit: (248) [system] peek_char((0x56051b6b4f40), s)
^  Call: (248) [user] is_delimiter(s)
   Call: (249) [system] char_type(s, space)
   Call: (249) [system] arg(_325790, v('(', ')', end_of_file), s)
   Call: (248) [system] ')'==s
   Call: (248) [system] get_char((0x56051b6b4f40), s)
   Exit: (248) [system] get_char((0x56051b6b4f40), s)
   Call: (248) [system] s=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _330360)
   Call: (249) [system] peek_char((0x56051b6b4f40), _331294)
   Exit: (249) [system] peek_char((0x56051b6b4f40), j)
^  Call: (249) [user] is_delimiter(j)
   Call: (250) [system] char_type(j, space)
   Call: (250) [system] arg(_335086, v('(', ')', end_of_file), j)
   Call: (249) [system] ')'==j
   Call: (249) [system] get_char((0x56051b6b4f40), j)
   Exit: (249) [system] get_char((0x56051b6b4f40), j)
   Call: (249) [system] j=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _339656)
   Call: (250) [system] peek_char((0x56051b6b4f40), _340590)
   Exit: (250) [system] peek_char((0x56051b6b4f40), u)
^  Call: (250) [user] is_delimiter(u)
   Call: (251) [system] char_type(u, space)
   Call: (251) [system] arg(_344382, v('(', ')', end_of_file), u)
   Call: (250) [system] ')'==u
   Call: (250) [system] get_char((0x56051b6b4f40), u)
   Exit: (250) [system] get_char((0x56051b6b4f40), u)
   Call: (250) [system] u=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _348952)
   Call: (251) [system] peek_char((0x56051b6b4f40), _349886)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_353678, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _358248)
   Call: (252) [system] peek_char((0x56051b6b4f40), _359182)
   Exit: (252) [system] peek_char((0x56051b6b4f40), c)
^  Call: (252) [user] is_delimiter(c)
   Call: (253) [system] char_type(c, space)
   Call: (253) [system] arg(_362974, v('(', ')', end_of_file), c)
   Call: (252) [system] ')'==c
   Call: (252) [system] get_char((0x56051b6b4f40), c)
   Exit: (252) [system] get_char((0x56051b6b4f40), c)
   Call: (252) [system] c=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _367544)
   Call: (253) [system] peek_char((0x56051b6b4f40), _368478)
   Exit: (253) [system] peek_char((0x56051b6b4f40), t)
^  Call: (253) [user] is_delimiter(t)
   Call: (254) [system] char_type(t, space)
   Call: (254) [system] arg(_372270, v('(', ')', end_of_file), t)
   Call: (253) [system] ')'==t
   Call: (253) [system] get_char((0x56051b6b4f40), t)
   Exit: (253) [system] get_char((0x56051b6b4f40), t)
   Call: (253) [system] t=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _376840)
   Call: (254) [system] peek_char((0x56051b6b4f40), _377774)
   Exit: (254) [system] peek_char((0x56051b6b4f40), i)
^  Call: (254) [user] is_delimiter(i)
   Call: (255) [system] char_type(i, space)
   Call: (255) [system] arg(_381566, v('(', ')', end_of_file), i)
   Call: (254) [system] ')'==i
   Call: (254) [system] get_char((0x56051b6b4f40), i)
   Exit: (254) [system] get_char((0x56051b6b4f40), i)
   Call: (254) [system] i=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _386136)
   Call: (255) [system] peek_char((0x56051b6b4f40), _387070)
   Exit: (255) [system] peek_char((0x56051b6b4f40), o)
^  Call: (255) [user] is_delimiter(o)
   Call: (256) [system] char_type(o, space)
   Call: (256) [system] arg(_390862, v('(', ')', end_of_file), o)
   Call: (255) [system] ')'==o
   Call: (255) [system] get_char((0x56051b6b4f40), o)
   Exit: (255) [system] get_char((0x56051b6b4f40), o)
   Call: (255) [system] o=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _395432)
   Call: (256) [system] peek_char((0x56051b6b4f40), _396366)
   Exit: (256) [system] peek_char((0x56051b6b4f40), n)
^  Call: (256) [user] is_delimiter(n)
   Call: (257) [system] char_type(n, space)
   Call: (257) [system] arg(_400158, v('(', ')', end_of_file), n)
   Call: (256) [system] ')'==n
   Call: (256) [system] get_char((0x56051b6b4f40), n)
   Exit: (256) [system] get_char((0x56051b6b4f40), n)
   Call: (256) [system] n=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _404728)
   Call: (257) [system] peek_char((0x56051b6b4f40), _405662)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (257) [user] is_delimiter('I')
   Call: (258) [system] char_type('I', space)
   Call: (258) [system] arg(_409454, v('(', ')', end_of_file), 'I')
   Call: (257) [system] ')'=='I'
   Call: (257) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (257) [system] get_char((0x56051b6b4f40), 'I')
   Call: (257) [system] 'I'=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _414024)
   Call: (258) [system] peek_char((0x56051b6b4f40), _414958)
   Exit: (258) [system] peek_char((0x56051b6b4f40), n)
^  Call: (258) [user] is_delimiter(n)
   Call: (259) [system] char_type(n, space)
   Call: (259) [system] arg(_418750, v('(', ')', end_of_file), n)
   Call: (258) [system] ')'==n
   Call: (258) [system] get_char((0x56051b6b4f40), n)
   Exit: (258) [system] get_char((0x56051b6b4f40), n)
   Call: (258) [system] n=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _423320)
   Call: (259) [system] peek_char((0x56051b6b4f40), _424254)
   Exit: (259) [system] peek_char((0x56051b6b4f40), t)
^  Call: (259) [user] is_delimiter(t)
   Call: (260) [system] char_type(t, space)
   Call: (260) [system] arg(_428046, v('(', ')', end_of_file), t)
   Call: (259) [system] ')'==t
   Call: (259) [system] get_char((0x56051b6b4f40), t)
   Exit: (259) [system] get_char((0x56051b6b4f40), t)
   Call: (259) [system] t=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _432616)
   Call: (260) [system] peek_char((0x56051b6b4f40), _433550)
   Exit: (260) [system] peek_char((0x56051b6b4f40), r)
^  Call: (260) [user] is_delimiter(r)
   Call: (261) [system] char_type(r, space)
   Call: (261) [system] arg(_437342, v('(', ')', end_of_file), r)
   Call: (260) [system] ')'==r
   Call: (260) [system] get_char((0x56051b6b4f40), r)
   Exit: (260) [system] get_char((0x56051b6b4f40), r)
   Call: (260) [system] r=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _441912)
   Call: (261) [system] peek_char((0x56051b6b4f40), _442846)
   Exit: (261) [system] peek_char((0x56051b6b4f40), o)
^  Call: (261) [user] is_delimiter(o)
   Call: (262) [system] char_type(o, space)
   Call: (262) [system] arg(_446638, v('(', ')', end_of_file), o)
   Call: (261) [system] ')'==o
   Call: (261) [system] get_char((0x56051b6b4f40), o)
   Exit: (261) [system] get_char((0x56051b6b4f40), o)
   Call: (261) [system] o=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _451208)
   Call: (262) [system] peek_char((0x56051b6b4f40), _452142)
   Exit: (262) [system] peek_char((0x56051b6b4f40), d)
^  Call: (262) [user] is_delimiter(d)
   Call: (263) [system] char_type(d, space)
   Call: (263) [system] arg(_455934, v('(', ')', end_of_file), d)
   Call: (262) [system] ')'==d
   Call: (262) [system] get_char((0x56051b6b4f40), d)
   Exit: (262) [system] get_char((0x56051b6b4f40), d)
   Call: (262) [system] d=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _460504)
   Call: (263) [system] peek_char((0x56051b6b4f40), _461438)
   Exit: (263) [system] peek_char((0x56051b6b4f40), u)
^  Call: (263) [user] is_delimiter(u)
   Call: (264) [system] char_type(u, space)
   Call: (264) [system] arg(_465230, v('(', ')', end_of_file), u)
   Call: (263) [system] ')'==u
   Call: (263) [system] get_char((0x56051b6b4f40), u)
   Exit: (263) [system] get_char((0x56051b6b4f40), u)
   Call: (263) [system] u=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _469800)
   Call: (264) [system] peek_char((0x56051b6b4f40), _470734)
   Exit: (264) [system] peek_char((0x56051b6b4f40), c)
^  Call: (264) [user] is_delimiter(c)
   Call: (265) [system] char_type(c, space)
   Call: (265) [system] arg(_474526, v('(', ')', end_of_file), c)
   Call: (264) [system] ')'==c
   Call: (264) [system] get_char((0x56051b6b4f40), c)
   Exit: (264) [system] get_char((0x56051b6b4f40), c)
   Call: (264) [system] c=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _479096)
   Call: (265) [system] peek_char((0x56051b6b4f40), _480030)
   Exit: (265) [system] peek_char((0x56051b6b4f40), t)
^  Call: (265) [user] is_delimiter(t)
   Call: (266) [system] char_type(t, space)
   Call: (266) [system] arg(_483822, v('(', ')', end_of_file), t)
   Call: (265) [system] ')'==t
   Call: (265) [system] get_char((0x56051b6b4f40), t)
   Exit: (265) [system] get_char((0x56051b6b4f40), t)
   Call: (265) [system] t=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _488392)
   Call: (266) [system] peek_char((0x56051b6b4f40), _489326)
   Exit: (266) [system] peek_char((0x56051b6b4f40), i)
^  Call: (266) [user] is_delimiter(i)
   Call: (267) [system] char_type(i, space)
   Call: (267) [system] arg(_493118, v('(', ')', end_of_file), i)
   Call: (266) [system] ')'==i
   Call: (266) [system] get_char((0x56051b6b4f40), i)
   Exit: (266) [system] get_char((0x56051b6b4f40), i)
   Call: (266) [system] i=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _497688)
   Call: (267) [system] peek_char((0x56051b6b4f40), _498622)
   Exit: (267) [system] peek_char((0x56051b6b4f40), o)
^  Call: (267) [user] is_delimiter(o)
   Call: (268) [system] char_type(o, space)
   Call: (268) [system] arg(_502414, v('(', ')', end_of_file), o)
   Call: (267) [system] ')'==o
   Call: (267) [system] get_char((0x56051b6b4f40), o)
   Exit: (267) [system] get_char((0x56051b6b4f40), o)
   Call: (267) [system] o=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _506984)
   Call: (268) [system] peek_char((0x56051b6b4f40), _507918)
   Exit: (268) [system] peek_char((0x56051b6b4f40), n)
^  Call: (268) [user] is_delimiter(n)
   Call: (269) [system] char_type(n, space)
   Call: (269) [system] arg(_511710, v('(', ')', end_of_file), n)
   Call: (268) [system] ')'==n
   Call: (268) [system] get_char((0x56051b6b4f40), n)
   Exit: (268) [system] get_char((0x56051b6b4f40), n)
   Call: (268) [system] n=(\)
^  Call: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), _516280)
   Call: (269) [system] peek_char((0x56051b6b4f40), _517214)
   Exit: (269) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (269) [user] is_delimiter(' ')
   Call: (270) [system] char_type(' ', space)
   Exit: (270) [system] char_type(' ', space)
^  Exit: (269) [user] is_delimiter(' ')
   Call: (269) [system] _516280=[]
   Exit: (269) [system] []=[]
^  Exit: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (268) [system] _506984=[n]
   Exit: (268) [system] [n]=[n]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (267) [system] _497688=[o, n]
   Exit: (267) [system] [o, n]=[o, n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (266) [system] _488392=[i, o, n]
   Exit: (266) [system] [i, o, n]=[i, o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (265) [system] _479096=[t, i, o, n]
   Exit: (265) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (264) [system] _469800=[c, t, i, o, n]
   Exit: (264) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (263) [system] _460504=[u, c, t, i, o, n]
   Exit: (263) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (262) [system] _451208=[d, u, c, t, i, o, n]
   Exit: (262) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (261) [system] _441912=[o, d, u, c, t, i, o, n]
   Exit: (261) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (260) [system] _432616=[r, o, d, u, c, t, i, o, n]
   Exit: (260) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (259) [system] _423320=[t, r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _414024=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _404728=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _395432=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _386136=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _376840=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _367544=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _358248=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _348952=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _339656=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _330360=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _321064=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (247) [system] _311768=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (247) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (246) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (246) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _291224)
^  Call: (248) [system] setup_call_cleanup('$notrace'(_587992, _587994), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _291224), _587968, fail)), '$restore_trace'(_587992, _587994))
^  Call: (249) [system] sig_atomic(system:'$notrace'(_587992, _587994))
^  Exit: (248) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _291224), _587968, fail)), system:'$restore_trace'(3, -1))
   Call: (247) [system] atomic(_291224)
   Call: (247) [system] atom_chars(_291224, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (247) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (246) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (245) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _596444)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _598302)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _605112)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _607816)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
   Call: (247) [system] a=(;)
^  Call: (247) [user] is_like_space(a)
   Call: (248) [system] char_type(a, 'white')
   Call: (248) [system] char_type(a, end_of_line)
   Call: (248) [system] char_type(a, space)
   Call: (248) [system] char_type(a, cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _617208)
   Exit: (245) [system] peek_char((0x56051b6b4f40), a)
   Call: (245) [system] a=')'
   Call: (245) [system] a=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _620922)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _622780)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
   Call: (247) [system] a=(;)
^  Call: (247) [user] is_like_space(a)
   Call: (248) [system] char_type(a, 'white')
   Call: (248) [system] char_type(a, end_of_line)
   Call: (248) [system] char_type(a, space)
   Call: (248) [system] char_type(a, cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _631248)
   Exit: (246) [system] get_char((0x56051b6b4f40), a)
   Call: (246) [system] a='('
   Call: (246) [system] a='['
   Call: (246) [system] a='{'
   Call: (246) [system] a='"'
   Call: (246) [system] a=!
   Call: (246) [system] a='\''
   Call: (246) [system] a='`'
   Call: (246) [system] a=end_of_file
^  Call: (246) [user] read_symbolic(')', (0x56051b6b4f40), a, _620922)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _641466)
   Call: (248) [system] peek_char((0x56051b6b4f40), _642400)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] is_delimiter(' ')
   Call: (249) [system] char_type(' ', space)
   Exit: (249) [system] char_type(' ', space)
^  Exit: (248) [user] is_delimiter(' ')
   Call: (248) [system] _641466=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (247) [user] classify_and_convert_charseq(a, [], _620922)
^  Call: (249) [system] setup_call_cleanup('$notrace'(_651710, _651712), once(user:catch(read_from_chars([a], _620922), _651686, fail)), '$restore_trace'(_651710, _651712))
^  Call: (250) [system] sig_atomic(system:'$notrace'(_651710, _651712))
^  Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _651686, fail)), system:'$restore_trace'(3, -1))
   Call: (248) [system] atomic(a)
   Exit: (248) [system] atomic(a)
^  Exit: (247) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (246) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _659210)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _661068)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (247) [system] ' '=(;)
^  Call: (247) [user] is_like_space(' ')
   Call: (248) [system] char_type(' ', 'white')
   Exit: (248) [system] char_type(' ', 'white')
^  Exit: (247) [user] is_like_space(' ')
   Call: (247) [system] get_char((0x56051b6b4f40), _667878)
   Exit: (247) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _670582)
   Exit: (248) [system] peek_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('=(;)
^  Call: (248) [user] is_like_space('(')
   Call: (249) [system] char_type('(', 'white')
   Call: (249) [system] char_type('(', end_of_line)
   Call: (249) [system] char_type('(', space)
   Call: (249) [system] char_type('(', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _679974)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=')'
   Call: (246) [system] '('=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _683688)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _685546)
   Exit: (248) [system] peek_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('=(;)
^  Call: (248) [user] is_like_space('(')
   Call: (249) [system] char_type('(', 'white')
   Call: (249) [system] char_type('(', end_of_line)
   Call: (249) [system] char_type('(', space)
   Call: (249) [system] char_type('(', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _694014)
   Exit: (247) [system] get_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('='('
   Exit: (247) [system] '('='('
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _683688)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _699584)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (249) [system] 'D'=(;)
^  Call: (249) [user] is_like_space('D')
   Call: (250) [system] char_type('D', 'white')
   Call: (250) [system] char_type('D', end_of_line)
   Call: (250) [system] char_type('D', space)
   Call: (250) [system] char_type('D', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _708052)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (248) [system] 'D'=')'
   Call: (248) [system] 'D'=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _711766)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _713624)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (250) [system] 'D'=(;)
^  Call: (250) [user] is_like_space('D')
   Call: (251) [system] char_type('D', 'white')
   Call: (251) [system] char_type('D', end_of_line)
   Call: (251) [system] char_type('D', space)
   Call: (251) [system] char_type('D', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _722092)
   Exit: (249) [system] get_char((0x56051b6b4f40), 'D')
   Call: (249) [system] 'D'='('
   Call: (249) [system] 'D'='['
   Call: (249) [system] 'D'='{'
   Call: (249) [system] 'D'='"'
   Call: (249) [system] 'D'=!
   Call: (249) [system] 'D'='\''
   Call: (249) [system] 'D'='`'
   Call: (249) [system] 'D'=end_of_file
^  Call: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _711766)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _732310)
   Call: (251) [system] peek_char((0x56051b6b4f40), _733244)
   Exit: (251) [system] peek_char((0x56051b6b4f40), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_737036, v('(', ')', end_of_file), i)
   Call: (251) [system] ')'==i
   Call: (251) [system] get_char((0x56051b6b4f40), i)
   Exit: (251) [system] get_char((0x56051b6b4f40), i)
   Call: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _741606)
   Call: (252) [system] peek_char((0x56051b6b4f40), _742540)
   Exit: (252) [system] peek_char((0x56051b6b4f40), s)
^  Call: (252) [user] is_delimiter(s)
   Call: (253) [system] char_type(s, space)
   Call: (253) [system] arg(_746332, v('(', ')', end_of_file), s)
   Call: (252) [system] ')'==s
   Call: (252) [system] get_char((0x56051b6b4f40), s)
   Exit: (252) [system] get_char((0x56051b6b4f40), s)
   Call: (252) [system] s=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _750902)
   Call: (253) [system] peek_char((0x56051b6b4f40), _751836)
   Exit: (253) [system] peek_char((0x56051b6b4f40), j)
^  Call: (253) [user] is_delimiter(j)
   Call: (254) [system] char_type(j, space)
   Call: (254) [system] arg(_755628, v('(', ')', end_of_file), j)
   Call: (253) [system] ')'==j
   Call: (253) [system] get_char((0x56051b6b4f40), j)
   Exit: (253) [system] get_char((0x56051b6b4f40), j)
   Call: (253) [system] j=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _760198)
   Call: (254) [system] peek_char((0x56051b6b4f40), _761132)
   Exit: (254) [system] peek_char((0x56051b6b4f40), u)
^  Call: (254) [user] is_delimiter(u)
   Call: (255) [system] char_type(u, space)
   Call: (255) [system] arg(_764924, v('(', ')', end_of_file), u)
   Call: (254) [system] ')'==u
   Call: (254) [system] get_char((0x56051b6b4f40), u)
   Exit: (254) [system] get_char((0x56051b6b4f40), u)
   Call: (254) [system] u=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _769494)
   Call: (255) [system] peek_char((0x56051b6b4f40), _770428)
   Exit: (255) [system] peek_char((0x56051b6b4f40), n)
^  Call: (255) [user] is_delimiter(n)
   Call: (256) [system] char_type(n, space)
   Call: (256) [system] arg(_774220, v('(', ')', end_of_file), n)
   Call: (255) [system] ')'==n
   Call: (255) [system] get_char((0x56051b6b4f40), n)
   Exit: (255) [system] get_char((0x56051b6b4f40), n)
   Call: (255) [system] n=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _778790)
   Call: (256) [system] peek_char((0x56051b6b4f40), _779724)
   Exit: (256) [system] peek_char((0x56051b6b4f40), c)
^  Call: (256) [user] is_delimiter(c)
   Call: (257) [system] char_type(c, space)
   Call: (257) [system] arg(_783516, v('(', ')', end_of_file), c)
   Call: (256) [system] ')'==c
   Call: (256) [system] get_char((0x56051b6b4f40), c)
   Exit: (256) [system] get_char((0x56051b6b4f40), c)
   Call: (256) [system] c=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _788086)
   Call: (257) [system] peek_char((0x56051b6b4f40), _789020)
   Exit: (257) [system] peek_char((0x56051b6b4f40), t)
^  Call: (257) [user] is_delimiter(t)
   Call: (258) [system] char_type(t, space)
   Call: (258) [system] arg(_792812, v('(', ')', end_of_file), t)
   Call: (257) [system] ')'==t
   Call: (257) [system] get_char((0x56051b6b4f40), t)
   Exit: (257) [system] get_char((0x56051b6b4f40), t)
   Call: (257) [system] t=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _797382)
   Call: (258) [system] peek_char((0x56051b6b4f40), _798316)
   Exit: (258) [system] peek_char((0x56051b6b4f40), i)
^  Call: (258) [user] is_delimiter(i)
   Call: (259) [system] char_type(i, space)
   Call: (259) [system] arg(_802108, v('(', ')', end_of_file), i)
   Call: (258) [system] ')'==i
   Call: (258) [system] get_char((0x56051b6b4f40), i)
   Exit: (258) [system] get_char((0x56051b6b4f40), i)
   Call: (258) [system] i=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _806678)
   Call: (259) [system] peek_char((0x56051b6b4f40), _807612)
   Exit: (259) [system] peek_char((0x56051b6b4f40), o)
^  Call: (259) [user] is_delimiter(o)
   Call: (260) [system] char_type(o, space)
   Call: (260) [system] arg(_811404, v('(', ')', end_of_file), o)
   Call: (259) [system] ')'==o
   Call: (259) [system] get_char((0x56051b6b4f40), o)
   Exit: (259) [system] get_char((0x56051b6b4f40), o)
   Call: (259) [system] o=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _815974)
   Call: (260) [system] peek_char((0x56051b6b4f40), _816908)
   Exit: (260) [system] peek_char((0x56051b6b4f40), n)
^  Call: (260) [user] is_delimiter(n)
   Call: (261) [system] char_type(n, space)
   Call: (261) [system] arg(_820700, v('(', ')', end_of_file), n)
   Call: (260) [system] ')'==n
   Call: (260) [system] get_char((0x56051b6b4f40), n)
   Exit: (260) [system] get_char((0x56051b6b4f40), n)
   Call: (260) [system] n=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _825270)
   Call: (261) [system] peek_char((0x56051b6b4f40), _826204)
   Exit: (261) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (261) [user] is_delimiter('I')
   Call: (262) [system] char_type('I', space)
   Call: (262) [system] arg(_829996, v('(', ')', end_of_file), 'I')
   Call: (261) [system] ')'=='I'
   Call: (261) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (261) [system] get_char((0x56051b6b4f40), 'I')
   Call: (261) [system] 'I'=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _834566)
   Call: (262) [system] peek_char((0x56051b6b4f40), _835500)
   Exit: (262) [system] peek_char((0x56051b6b4f40), n)
^  Call: (262) [user] is_delimiter(n)
   Call: (263) [system] char_type(n, space)
   Call: (263) [system] arg(_839292, v('(', ')', end_of_file), n)
   Call: (262) [system] ')'==n
   Call: (262) [system] get_char((0x56051b6b4f40), n)
   Exit: (262) [system] get_char((0x56051b6b4f40), n)
   Call: (262) [system] n=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _843862)
   Call: (263) [system] peek_char((0x56051b6b4f40), _844796)
   Exit: (263) [system] peek_char((0x56051b6b4f40), t)
^  Call: (263) [user] is_delimiter(t)
   Call: (264) [system] char_type(t, space)
   Call: (264) [system] arg(_848588, v('(', ')', end_of_file), t)
   Call: (263) [system] ')'==t
   Call: (263) [system] get_char((0x56051b6b4f40), t)
   Exit: (263) [system] get_char((0x56051b6b4f40), t)
   Call: (263) [system] t=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _853158)
   Call: (264) [system] peek_char((0x56051b6b4f40), _854092)
   Exit: (264) [system] peek_char((0x56051b6b4f40), r)
^  Call: (264) [user] is_delimiter(r)
   Call: (265) [system] char_type(r, space)
   Call: (265) [system] arg(_857884, v('(', ')', end_of_file), r)
   Call: (264) [system] ')'==r
   Call: (264) [system] get_char((0x56051b6b4f40), r)
   Exit: (264) [system] get_char((0x56051b6b4f40), r)
   Call: (264) [system] r=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _862454)
   Call: (265) [system] peek_char((0x56051b6b4f40), _863388)
   Exit: (265) [system] peek_char((0x56051b6b4f40), o)
^  Call: (265) [user] is_delimiter(o)
   Call: (266) [system] char_type(o, space)
   Call: (266) [system] arg(_867180, v('(', ')', end_of_file), o)
   Call: (265) [system] ')'==o
   Call: (265) [system] get_char((0x56051b6b4f40), o)
   Exit: (265) [system] get_char((0x56051b6b4f40), o)
   Call: (265) [system] o=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _871750)
   Call: (266) [system] peek_char((0x56051b6b4f40), _872684)
   Exit: (266) [system] peek_char((0x56051b6b4f40), d)
^  Call: (266) [user] is_delimiter(d)
   Call: (267) [system] char_type(d, space)
   Call: (267) [system] arg(_876476, v('(', ')', end_of_file), d)
   Call: (266) [system] ')'==d
   Call: (266) [system] get_char((0x56051b6b4f40), d)
   Exit: (266) [system] get_char((0x56051b6b4f40), d)
   Call: (266) [system] d=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _881046)
   Call: (267) [system] peek_char((0x56051b6b4f40), _881980)
   Exit: (267) [system] peek_char((0x56051b6b4f40), u)
^  Call: (267) [user] is_delimiter(u)
   Call: (268) [system] char_type(u, space)
   Call: (268) [system] arg(_885772, v('(', ')', end_of_file), u)
   Call: (267) [system] ')'==u
   Call: (267) [system] get_char((0x56051b6b4f40), u)
   Exit: (267) [system] get_char((0x56051b6b4f40), u)
   Call: (267) [system] u=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _890342)
   Call: (268) [system] peek_char((0x56051b6b4f40), _891276)
   Exit: (268) [system] peek_char((0x56051b6b4f40), c)
^  Call: (268) [user] is_delimiter(c)
   Call: (269) [system] char_type(c, space)
   Call: (269) [system] arg(_895068, v('(', ')', end_of_file), c)
   Call: (268) [system] ')'==c
   Call: (268) [system] get_char((0x56051b6b4f40), c)
   Exit: (268) [system] get_char((0x56051b6b4f40), c)
   Call: (268) [system] c=(\)
^  Call: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), _899638)
   Call: (269) [system] peek_char((0x56051b6b4f40), _900572)
   Exit: (269) [system] peek_char((0x56051b6b4f40), t)
^  Call: (269) [user] is_delimiter(t)
   Call: (270) [system] char_type(t, space)
   Call: (270) [system] arg(_904364, v('(', ')', end_of_file), t)
   Call: (269) [system] ')'==t
   Call: (269) [system] get_char((0x56051b6b4f40), t)
   Exit: (269) [system] get_char((0x56051b6b4f40), t)
   Call: (269) [system] t=(\)
^  Call: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), _908934)
   Call: (270) [system] peek_char((0x56051b6b4f40), _909868)
   Exit: (270) [system] peek_char((0x56051b6b4f40), i)
^  Call: (270) [user] is_delimiter(i)
   Call: (271) [system] char_type(i, space)
   Call: (271) [system] arg(_913660, v('(', ')', end_of_file), i)
   Call: (270) [system] ')'==i
   Call: (270) [system] get_char((0x56051b6b4f40), i)
   Exit: (270) [system] get_char((0x56051b6b4f40), i)
   Call: (270) [system] i=(\)
^  Call: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), _918230)
   Call: (271) [system] peek_char((0x56051b6b4f40), _919164)
   Exit: (271) [system] peek_char((0x56051b6b4f40), o)
^  Call: (271) [user] is_delimiter(o)
   Call: (272) [system] char_type(o, space)
   Call: (272) [system] arg(_922956, v('(', ')', end_of_file), o)
   Call: (271) [system] ')'==o
   Call: (271) [system] get_char((0x56051b6b4f40), o)
   Exit: (271) [system] get_char((0x56051b6b4f40), o)
   Call: (271) [system] o=(\)
^  Call: (271) [user] read_symbolic_cont(')', (0x56051b6b4f40), _927526)
   Call: (272) [system] peek_char((0x56051b6b4f40), _928460)
   Exit: (272) [system] peek_char((0x56051b6b4f40), n)
^  Call: (272) [user] is_delimiter(n)
   Call: (273) [system] char_type(n, space)
   Call: (273) [system] arg(_932252, v('(', ')', end_of_file), n)
   Call: (272) [system] ')'==n
   Call: (272) [system] get_char((0x56051b6b4f40), n)
   Exit: (272) [system] get_char((0x56051b6b4f40), n)
   Call: (272) [system] n=(\)
^  Call: (272) [user] read_symbolic_cont(')', (0x56051b6b4f40), _936822)
   Call: (273) [system] peek_char((0x56051b6b4f40), _937756)
   Exit: (273) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (273) [user] is_delimiter(' ')
   Call: (274) [system] char_type(' ', space)
   Exit: (274) [system] char_type(' ', space)
^  Exit: (273) [user] is_delimiter(' ')
   Call: (273) [system] _936822=[]
   Exit: (273) [system] []=[]
^  Exit: (272) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (272) [system] _927526=[n]
   Exit: (272) [system] [n]=[n]
^  Exit: (271) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (271) [system] _918230=[o, n]
   Exit: (271) [system] [o, n]=[o, n]
^  Exit: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (270) [system] _908934=[i, o, n]
   Exit: (270) [system] [i, o, n]=[i, o, n]
^  Exit: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (269) [system] _899638=[t, i, o, n]
   Exit: (269) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (268) [system] _890342=[c, t, i, o, n]
   Exit: (268) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (267) [system] _881046=[u, c, t, i, o, n]
   Exit: (267) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (266) [system] _871750=[d, u, c, t, i, o, n]
   Exit: (266) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (265) [system] _862454=[o, d, u, c, t, i, o, n]
   Exit: (265) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (264) [system] _853158=[r, o, d, u, c, t, i, o, n]
   Exit: (264) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (263) [system] _843862=[t, r, o, d, u, c, t, i, o, n]
   Exit: (263) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (262) [system] _834566=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (262) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (261) [system] _825270=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (261) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (260) [system] _815974=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (260) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (259) [system] _806678=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _797382=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _788086=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _778790=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _769494=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _760198=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _750902=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _741606=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _732310=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (250) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _711766)
^  Call: (252) [system] setup_call_cleanup('$notrace'(_1008534, _1008536), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _711766), _1008510, fail)), '$restore_trace'(_1008534, _1008536))
^  Call: (253) [system] sig_atomic(system:'$notrace'(_1008534, _1008536))
^  Exit: (252) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _711766), _1008510, fail)), system:'$restore_trace'(3, -1))
   Call: (251) [system] atomic(_711766)
   Call: (251) [system] atom_chars(_711766, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (251) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (250) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1016986)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1018844)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (250) [system] ' '=(;)
^  Call: (250) [user] is_like_space(' ')
   Call: (251) [system] char_type(' ', 'white')
   Exit: (251) [system] char_type(' ', 'white')
^  Exit: (250) [user] is_like_space(' ')
   Call: (250) [system] get_char((0x56051b6b4f40), _1025654)
   Exit: (250) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1028358)
   Exit: (251) [system] peek_char((0x56051b6b4f40), a)
   Call: (251) [system] a=(;)
^  Call: (251) [user] is_like_space(a)
   Call: (252) [system] char_type(a, 'white')
   Call: (252) [system] char_type(a, end_of_line)
   Call: (252) [system] char_type(a, space)
   Call: (252) [system] char_type(a, cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1037750)
   Exit: (249) [system] peek_char((0x56051b6b4f40), a)
   Call: (249) [system] a=')'
   Call: (249) [system] a=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _1041464)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1043322)
   Exit: (251) [system] peek_char((0x56051b6b4f40), a)
   Call: (251) [system] a=(;)
^  Call: (251) [user] is_like_space(a)
   Call: (252) [system] char_type(a, 'white')
   Call: (252) [system] char_type(a, end_of_line)
   Call: (252) [system] char_type(a, space)
   Call: (252) [system] char_type(a, cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _1051790)
   Exit: (250) [system] get_char((0x56051b6b4f40), a)
   Call: (250) [system] a='('
   Call: (250) [system] a='['
   Call: (250) [system] a='{'
   Call: (250) [system] a='"'
   Call: (250) [system] a=!
   Call: (250) [system] a='\''
   Call: (250) [system] a='`'
   Call: (250) [system] a=end_of_file
^  Call: (250) [user] read_symbolic(')', (0x56051b6b4f40), a, _1041464)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1062008)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1062942)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] is_delimiter(' ')
   Call: (253) [system] char_type(' ', space)
   Exit: (253) [system] char_type(' ', space)
^  Exit: (252) [user] is_delimiter(' ')
   Call: (252) [system] _1062008=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (251) [user] classify_and_convert_charseq(a, [], _1041464)
^  Call: (253) [system] setup_call_cleanup('$notrace'(_1072252, _1072254), once(user:catch(read_from_chars([a], _1041464), _1072228, fail)), '$restore_trace'(_1072252, _1072254))
^  Call: (254) [system] sig_atomic(system:'$notrace'(_1072252, _1072254))
^  Exit: (253) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1072228, fail)), system:'$restore_trace'(3, -1))
   Call: (252) [system] atomic(a)
   Exit: (252) [system] atomic(a)
^  Exit: (251) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (250) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1079752)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1081610)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (251) [system] ' '=(;)
^  Call: (251) [user] is_like_space(' ')
   Call: (252) [system] char_type(' ', 'white')
   Exit: (252) [system] char_type(' ', 'white')
^  Exit: (251) [user] is_like_space(' ')
   Call: (251) [system] get_char((0x56051b6b4f40), _1088420)
   Exit: (251) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1091124)
   Exit: (252) [system] peek_char((0x56051b6b4f40), c)
   Call: (252) [system] c=(;)
^  Call: (252) [user] is_like_space(c)
   Call: (253) [system] char_type(c, 'white')
   Call: (253) [system] char_type(c, end_of_line)
   Call: (253) [system] char_type(c, space)
   Call: (253) [system] char_type(c, cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1100516)
   Exit: (250) [system] peek_char((0x56051b6b4f40), c)
   Call: (250) [system] c=')'
   Call: (250) [system] c=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _1104230)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1106088)
   Exit: (252) [system] peek_char((0x56051b6b4f40), c)
   Call: (252) [system] c=(;)
^  Call: (252) [user] is_like_space(c)
   Call: (253) [system] char_type(c, 'white')
   Call: (253) [system] char_type(c, end_of_line)
   Call: (253) [system] char_type(c, space)
   Call: (253) [system] char_type(c, cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _1114556)
   Exit: (251) [system] get_char((0x56051b6b4f40), c)
   Call: (251) [system] c='('
   Call: (251) [system] c='['
   Call: (251) [system] c='{'
   Call: (251) [system] c='"'
   Call: (251) [system] c=!
   Call: (251) [system] c='\''
   Call: (251) [system] c='`'
   Call: (251) [system] c=end_of_file
^  Call: (251) [user] read_symbolic(')', (0x56051b6b4f40), c, _1104230)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1124774)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1125708)
   Exit: (253) [system] peek_char((0x56051b6b4f40), d)
^  Call: (253) [user] is_delimiter(d)
   Call: (254) [system] char_type(d, space)
   Call: (254) [system] arg(_1129500, v('(', ')', end_of_file), d)
   Call: (253) [system] ')'==d
   Call: (253) [system] get_char((0x56051b6b4f40), d)
   Exit: (253) [system] get_char((0x56051b6b4f40), d)
   Call: (253) [system] d=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1134070)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1135004)
   Exit: (254) [system] peek_char((0x56051b6b4f40), e)
^  Call: (254) [user] is_delimiter(e)
   Call: (255) [system] char_type(e, space)
   Call: (255) [system] arg(_1138796, v('(', ')', end_of_file), e)
   Call: (254) [system] ')'==e
   Call: (254) [system] get_char((0x56051b6b4f40), e)
   Exit: (254) [system] get_char((0x56051b6b4f40), e)
   Call: (254) [system] e=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1143366)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1144300)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (255) [user] is_delimiter(')')
   Call: (256) [system] char_type(')', space)
   Call: (256) [system] arg(_1148092, v('(', ')', end_of_file), ')')
   Exit: (256) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (255) [user] is_delimiter(')')
   Call: (255) [system] _1143366=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (254) [system] _1134070=[e]
   Exit: (254) [system] [e]=[e]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (253) [system] _1124774=[d, e]
   Exit: (253) [system] [d, e]=[d, e]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (252) [user] classify_and_convert_charseq(c, [d, e], _1104230)
^  Call: (254) [system] setup_call_cleanup('$notrace'(_1160142, _1160144), once(user:catch(read_from_chars([c, d, e], _1104230), _1160118, fail)), '$restore_trace'(_1160142, _1160144))
^  Call: (255) [system] sig_atomic(system:'$notrace'(_1160142, _1160144))
^  Exit: (254) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _1160118, fail)), system:'$restore_trace'(3, -1))
   Call: (253) [system] atomic(cde)
   Exit: (253) [system] atomic(cde)
^  Exit: (252) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (251) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _1167642)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1169500)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
   Call: (252) [system] ')'=(;)
^  Call: (252) [user] is_like_space(')')
   Call: (253) [system] char_type(')', 'white')
   Call: (253) [system] char_type(')', end_of_line)
   Call: (253) [system] char_type(')', space)
   Call: (253) [system] char_type(')', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1177968)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
   Call: (251) [system] ')'=')'
   Exit: (251) [system] ')'=')'
   Call: (251) [system] get_char((0x56051b6b4f40), _1181758)
   Exit: (251) [system] get_char((0x56051b6b4f40), ')')
   Call: (251) [system] _1167642=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (250) [system] _1079752=[cde]
   Exit: (250) [system] [cde]=[cde]
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), [cde])
   Call: (249) [system] _1016986=[a, cde]
   Exit: (249) [system] [a, cde]=[a, cde]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), [a, cde])
   Call: (248) [system] _683688=['DisjunctionIntroduction', a, cde]
   Exit: (248) [system] ['DisjunctionIntroduction', a, cde]=['DisjunctionIntroduction', a, cde]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, cde])
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1195640)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1197498)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
   Call: (248) [system] ')'=(;)
^  Call: (248) [user] is_like_space(')')
   Call: (249) [system] char_type(')', 'white')
   Call: (249) [system] char_type(')', end_of_line)
   Call: (249) [system] char_type(')', space)
   Call: (249) [system] char_type(')', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1205966)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=')'
   Exit: (247) [system] ')'=')'
   Call: (247) [system] get_char((0x56051b6b4f40), _1209756)
   Exit: (247) [system] get_char((0x56051b6b4f40), ')')
   Call: (247) [system] _1195640=[]
   Exit: (247) [system] []=[]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (246) [system] _659210=[['DisjunctionIntroduction', a, cde]]
   Exit: (246) [system] [['DisjunctionIntroduction', a, cde]]=[['DisjunctionIntroduction', a, cde]]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, cde]])
   Call: (245) [system] _596444=[a, ['DisjunctionIntroduction', a, cde]]
   Exit: (245) [system] [a, ['DisjunctionIntroduction', a, cde]]=[a, ['DisjunctionIntroduction', a, cde]]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [a, ['DisjunctionIntroduction', a, cde]])
   Call: (244) [system] _263146=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]]
   Exit: (244) [system] ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]]=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]])
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]])
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1223638)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1225496)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _1232306)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1235010)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=(;)
^  Call: (245) [user] is_like_space('(')
   Call: (246) [system] char_type('(', 'white')
   Call: (246) [system] char_type('(', end_of_line)
   Call: (246) [system] char_type('(', space)
   Call: (246) [system] char_type('(', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1244402)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=')'
   Call: (243) [system] '('=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _1248116)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1249974)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=(;)
^  Call: (245) [user] is_like_space('(')
   Call: (246) [system] char_type('(', 'white')
   Call: (246) [system] char_type('(', end_of_line)
   Call: (246) [system] char_type('(', space)
   Call: (246) [system] char_type('(', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _1258442)
   Exit: (244) [system] get_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('='('
   Exit: (244) [system] '('='('
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _1248116)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1264012)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (246) [system] 'O'=(;)
^  Call: (246) [user] is_like_space('O')
   Call: (247) [system] char_type('O', 'white')
   Call: (247) [system] char_type('O', end_of_line)
   Call: (247) [system] char_type('O', space)
   Call: (247) [system] char_type('O', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1272480)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (245) [system] 'O'=')'
   Call: (245) [system] 'O'=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _1276194)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1278052)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (247) [system] 'O'=(;)
^  Call: (247) [user] is_like_space('O')
   Call: (248) [system] char_type('O', 'white')
   Call: (248) [system] char_type('O', end_of_line)
   Call: (248) [system] char_type('O', space)
   Call: (248) [system] char_type('O', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _1286520)
   Exit: (246) [system] get_char((0x56051b6b4f40), 'O')
   Call: (246) [system] 'O'='('
   Call: (246) [system] 'O'='['
   Call: (246) [system] 'O'='{'
   Call: (246) [system] 'O'='"'
   Call: (246) [system] 'O'=!
   Call: (246) [system] 'O'='\''
   Call: (246) [system] 'O'='`'
   Call: (246) [system] 'O'=end_of_file
^  Call: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1276194)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1296738)
   Call: (248) [system] peek_char((0x56051b6b4f40), _1297672)
   Exit: (248) [system] peek_char((0x56051b6b4f40), r)
^  Call: (248) [user] is_delimiter(r)
   Call: (249) [system] char_type(r, space)
   Call: (249) [system] arg(_1301464, v('(', ')', end_of_file), r)
   Call: (248) [system] ')'==r
   Call: (248) [system] get_char((0x56051b6b4f40), r)
   Exit: (248) [system] get_char((0x56051b6b4f40), r)
   Call: (248) [system] r=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1306034)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1306968)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (249) [user] is_delimiter('L')
   Call: (250) [system] char_type('L', space)
   Call: (250) [system] arg(_1310760, v('(', ')', end_of_file), 'L')
   Call: (249) [system] ')'=='L'
   Call: (249) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (249) [system] get_char((0x56051b6b4f40), 'L')
   Call: (249) [system] 'L'=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1315330)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1316264)
   Exit: (250) [system] peek_char((0x56051b6b4f40), i)
^  Call: (250) [user] is_delimiter(i)
   Call: (251) [system] char_type(i, space)
   Call: (251) [system] arg(_1320056, v('(', ')', end_of_file), i)
   Call: (250) [system] ')'==i
   Call: (250) [system] get_char((0x56051b6b4f40), i)
   Exit: (250) [system] get_char((0x56051b6b4f40), i)
   Call: (250) [system] i=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1324626)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1325560)
   Exit: (251) [system] peek_char((0x56051b6b4f40), n)
^  Call: (251) [user] is_delimiter(n)
   Call: (252) [system] char_type(n, space)
   Call: (252) [system] arg(_1329352, v('(', ')', end_of_file), n)
   Call: (251) [system] ')'==n
   Call: (251) [system] get_char((0x56051b6b4f40), n)
   Exit: (251) [system] get_char((0x56051b6b4f40), n)
   Call: (251) [system] n=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1333922)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1334856)
   Exit: (252) [system] peek_char((0x56051b6b4f40), k)
^  Call: (252) [user] is_delimiter(k)
   Call: (253) [system] char_type(k, space)
   Call: (253) [system] arg(_1338648, v('(', ')', end_of_file), k)
   Call: (252) [system] ')'==k
   Call: (252) [system] get_char((0x56051b6b4f40), k)
   Exit: (252) [system] get_char((0x56051b6b4f40), k)
   Call: (252) [system] k=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1343218)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1344152)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _1343218=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (252) [system] _1333922=[k]
   Exit: (252) [system] [k]=[k]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (251) [system] _1324626=[n, k]
   Exit: (251) [system] [n, k]=[n, k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (250) [system] _1315330=[i, n, k]
   Exit: (250) [system] [i, n, k]=[i, n, k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (249) [system] _1306034=['L', i, n, k]
   Exit: (249) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (248) [system] _1296738=[r, 'L', i, n, k]
   Exit: (248) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (247) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1276194)
^  Call: (249) [system] setup_call_cleanup('$notrace'(_1367432, _1367434), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1276194), _1367408, fail)), '$restore_trace'(_1367432, _1367434))
^  Call: (250) [system] sig_atomic(system:'$notrace'(_1367432, _1367434))
^  Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1276194), _1367408, fail)), system:'$restore_trace'(3, -1))
   Call: (248) [system] atomic(_1276194)
   Call: (248) [system] atom_chars(_1276194, ['O', r, 'L', i, n, k])
   Exit: (248) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (247) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1375884)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1377742)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (247) [system] ' '=(;)
^  Call: (247) [user] is_like_space(' ')
   Call: (248) [system] char_type(' ', 'white')
   Exit: (248) [system] char_type(' ', 'white')
^  Exit: (247) [user] is_like_space(' ')
   Call: (247) [system] get_char((0x56051b6b4f40), _1384552)
   Exit: (247) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1387256)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (248) [system] 'B'=(;)
^  Call: (248) [user] is_like_space('B')
   Call: (249) [system] char_type('B', 'white')
   Call: (249) [system] char_type('B', end_of_line)
   Call: (249) [system] char_type('B', space)
   Call: (249) [system] char_type('B', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1396648)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (246) [system] 'B'=')'
   Call: (246) [system] 'B'=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _1400362)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1402220)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (248) [system] 'B'=(;)
^  Call: (248) [user] is_like_space('B')
   Call: (249) [system] char_type('B', 'white')
   Call: (249) [system] char_type('B', end_of_line)
   Call: (249) [system] char_type('B', space)
   Call: (249) [system] char_type('B', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _1410688)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'B')
   Call: (247) [system] 'B'='('
   Call: (247) [system] 'B'='['
   Call: (247) [system] 'B'='{'
   Call: (247) [system] 'B'='"'
   Call: (247) [system] 'B'=!
   Call: (247) [system] 'B'='\''
   Call: (247) [system] 'B'='`'
   Call: (247) [system] 'B'=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1400362)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1420906)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1421840)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _1420906=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (248) [user] classify_and_convert_charseq('B', [], _1400362)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_1431150, _1431152), once(user:catch(read_from_chars(['B'], _1400362), _1431126, fail)), '$restore_trace'(_1431150, _1431152))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_1431150, _1431152))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1400362), _1431126, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(_1400362)
   Call: (249) [system] atom_chars(_1400362, ['B'])
   Exit: (249) [system] atom_chars('B', ['B'])
^  Exit: (248) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1439602)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1441460)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (248) [system] ' '=(;)
^  Call: (248) [user] is_like_space(' ')
   Call: (249) [system] char_type(' ', 'white')
   Exit: (249) [system] char_type(' ', 'white')
^  Exit: (248) [user] is_like_space(' ')
   Call: (248) [system] get_char((0x56051b6b4f40), _1448270)
   Exit: (248) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1450974)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=(;)
^  Call: (249) [user] is_like_space('(')
   Call: (250) [system] char_type('(', 'white')
   Call: (250) [system] char_type('(', end_of_line)
   Call: (250) [system] char_type('(', space)
   Call: (250) [system] char_type('(', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1460366)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=')'
   Call: (247) [system] '('=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _1464080)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1465938)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=(;)
^  Call: (249) [user] is_like_space('(')
   Call: (250) [system] char_type('(', 'white')
   Call: (250) [system] char_type('(', end_of_line)
   Call: (250) [system] char_type('(', space)
   Call: (250) [system] char_type('(', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _1474406)
   Exit: (248) [system] get_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('='('
   Exit: (248) [system] '('='('
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1464080)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1479976)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (250) [system] 'O'=(;)
^  Call: (250) [user] is_like_space('O')
   Call: (251) [system] char_type('O', 'white')
   Call: (251) [system] char_type('O', end_of_line)
   Call: (251) [system] char_type('O', space)
   Call: (251) [system] char_type('O', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1488444)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (249) [system] 'O'=')'
   Call: (249) [system] 'O'=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _1492158)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1494016)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (251) [system] 'O'=(;)
^  Call: (251) [user] is_like_space('O')
   Call: (252) [system] char_type('O', 'white')
   Call: (252) [system] char_type('O', end_of_line)
   Call: (252) [system] char_type('O', space)
   Call: (252) [system] char_type('O', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _1502484)
   Exit: (250) [system] get_char((0x56051b6b4f40), 'O')
   Call: (250) [system] 'O'='('
   Call: (250) [system] 'O'='['
   Call: (250) [system] 'O'='{'
   Call: (250) [system] 'O'='"'
   Call: (250) [system] 'O'=!
   Call: (250) [system] 'O'='\''
   Call: (250) [system] 'O'='`'
   Call: (250) [system] 'O'=end_of_file
^  Call: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1492158)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1512702)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1513636)
   Exit: (252) [system] peek_char((0x56051b6b4f40), r)
^  Call: (252) [user] is_delimiter(r)
   Call: (253) [system] char_type(r, space)
   Call: (253) [system] arg(_1517428, v('(', ')', end_of_file), r)
   Call: (252) [system] ')'==r
   Call: (252) [system] get_char((0x56051b6b4f40), r)
   Exit: (252) [system] get_char((0x56051b6b4f40), r)
   Call: (252) [system] r=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1521998)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1522932)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (253) [user] is_delimiter('L')
   Call: (254) [system] char_type('L', space)
   Call: (254) [system] arg(_1526724, v('(', ')', end_of_file), 'L')
   Call: (253) [system] ')'=='L'
   Call: (253) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (253) [system] get_char((0x56051b6b4f40), 'L')
   Call: (253) [system] 'L'=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1531294)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1532228)
   Exit: (254) [system] peek_char((0x56051b6b4f40), i)
^  Call: (254) [user] is_delimiter(i)
   Call: (255) [system] char_type(i, space)
   Call: (255) [system] arg(_1536020, v('(', ')', end_of_file), i)
   Call: (254) [system] ')'==i
   Call: (254) [system] get_char((0x56051b6b4f40), i)
   Exit: (254) [system] get_char((0x56051b6b4f40), i)
   Call: (254) [system] i=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1540590)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1541524)
   Exit: (255) [system] peek_char((0x56051b6b4f40), n)
^  Call: (255) [user] is_delimiter(n)
   Call: (256) [system] char_type(n, space)
   Call: (256) [system] arg(_1545316, v('(', ')', end_of_file), n)
   Call: (255) [system] ')'==n
   Call: (255) [system] get_char((0x56051b6b4f40), n)
   Exit: (255) [system] get_char((0x56051b6b4f40), n)
   Call: (255) [system] n=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1549886)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1550820)
   Exit: (256) [system] peek_char((0x56051b6b4f40), k)
^  Call: (256) [user] is_delimiter(k)
   Call: (257) [system] char_type(k, space)
   Call: (257) [system] arg(_1554612, v('(', ')', end_of_file), k)
   Call: (256) [system] ')'==k
   Call: (256) [system] get_char((0x56051b6b4f40), k)
   Exit: (256) [system] get_char((0x56051b6b4f40), k)
   Call: (256) [system] k=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1559182)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1560116)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (257) [user] is_delimiter(' ')
   Call: (258) [system] char_type(' ', space)
   Exit: (258) [system] char_type(' ', space)
^  Exit: (257) [user] is_delimiter(' ')
   Call: (257) [system] _1559182=[]
   Exit: (257) [system] []=[]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (256) [system] _1549886=[k]
   Exit: (256) [system] [k]=[k]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (255) [system] _1540590=[n, k]
   Exit: (255) [system] [n, k]=[n, k]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (254) [system] _1531294=[i, n, k]
   Exit: (254) [system] [i, n, k]=[i, n, k]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (253) [system] _1521998=['L', i, n, k]
   Exit: (253) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (252) [system] _1512702=[r, 'L', i, n, k]
   Exit: (252) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (251) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1492158)
^  Call: (253) [system] setup_call_cleanup('$notrace'(_1583396, _1583398), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1492158), _1583372, fail)), '$restore_trace'(_1583396, _1583398))
^  Call: (254) [system] sig_atomic(system:'$notrace'(_1583396, _1583398))
^  Exit: (253) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1492158), _1583372, fail)), system:'$restore_trace'(3, -1))
   Call: (252) [system] atomic(_1492158)
   Call: (252) [system] atom_chars(_1492158, ['O', r, 'L', i, n, k])
   Exit: (252) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (251) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1591848)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1593706)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (251) [system] ' '=(;)
^  Call: (251) [user] is_like_space(' ')
   Call: (252) [system] char_type(' ', 'white')
   Exit: (252) [system] char_type(' ', 'white')
^  Exit: (251) [user] is_like_space(' ')
   Call: (251) [system] get_char((0x56051b6b4f40), _1600516)
   Exit: (251) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1603220)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (252) [system] 'B'=(;)
^  Call: (252) [user] is_like_space('B')
   Call: (253) [system] char_type('B', 'white')
   Call: (253) [system] char_type('B', end_of_line)
   Call: (253) [system] char_type('B', space)
   Call: (253) [system] char_type('B', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1612612)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (250) [system] 'B'=')'
   Call: (250) [system] 'B'=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _1616326)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1618184)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (252) [system] 'B'=(;)
^  Call: (252) [user] is_like_space('B')
   Call: (253) [system] char_type('B', 'white')
   Call: (253) [system] char_type('B', end_of_line)
   Call: (253) [system] char_type('B', space)
   Call: (253) [system] char_type('B', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _1626652)
   Exit: (251) [system] get_char((0x56051b6b4f40), 'B')
   Call: (251) [system] 'B'='('
   Call: (251) [system] 'B'='['
   Call: (251) [system] 'B'='{'
   Call: (251) [system] 'B'='"'
   Call: (251) [system] 'B'=!
   Call: (251) [system] 'B'='\''
   Call: (251) [system] 'B'='`'
   Call: (251) [system] 'B'=end_of_file
^  Call: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1616326)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1636870)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1637804)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _1636870=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (252) [user] classify_and_convert_charseq('B', [], _1616326)
^  Call: (254) [system] setup_call_cleanup('$notrace'(_1647114, _1647116), once(user:catch(read_from_chars(['B'], _1616326), _1647090, fail)), '$restore_trace'(_1647114, _1647116))
^  Call: (255) [system] sig_atomic(system:'$notrace'(_1647114, _1647116))
^  Exit: (254) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1616326), _1647090, fail)), system:'$restore_trace'(3, -1))
   Call: (253) [system] atomic(_1616326)
   Call: (253) [system] atom_chars(_1616326, ['B'])
   Exit: (253) [system] atom_chars('B', ['B'])
^  Exit: (252) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _1655566)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1657424)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (252) [system] ' '=(;)
^  Call: (252) [user] is_like_space(' ')
   Call: (253) [system] char_type(' ', 'white')
   Exit: (253) [system] char_type(' ', 'white')
^  Exit: (252) [user] is_like_space(' ')
   Call: (252) [system] get_char((0x56051b6b4f40), _1664234)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1666938)
   Exit: (253) [system] peek_char((0x56051b6b4f40), '(')
   Call: (253) [system] '('=(;)
^  Call: (253) [user] is_like_space('(')
   Call: (254) [system] char_type('(', 'white')
   Call: (254) [system] char_type('(', end_of_line)
   Call: (254) [system] char_type('(', space)
   Call: (254) [system] char_type('(', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1676330)
   Exit: (251) [system] peek_char((0x56051b6b4f40), '(')
   Call: (251) [system] '('=')'
   Call: (251) [system] '('=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _1680044)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1681902)
   Exit: (253) [system] peek_char((0x56051b6b4f40), '(')
   Call: (253) [system] '('=(;)
^  Call: (253) [user] is_like_space('(')
   Call: (254) [system] char_type('(', 'white')
   Call: (254) [system] char_type('(', end_of_line)
   Call: (254) [system] char_type('(', space)
   Call: (254) [system] char_type('(', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _1690370)
   Exit: (252) [system] get_char((0x56051b6b4f40), '(')
   Call: (252) [system] '('='('
   Exit: (252) [system] '('='('
^  Call: (252) [user] read_list(')', (0x56051b6b4f40), _1680044)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1695940)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (254) [system] 'I'=(;)
^  Call: (254) [user] is_like_space('I')
   Call: (255) [system] char_type('I', 'white')
   Call: (255) [system] char_type('I', end_of_line)
   Call: (255) [system] char_type('I', space)
   Call: (255) [system] char_type('I', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1704408)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (253) [system] 'I'=')'
   Call: (253) [system] 'I'=end_of_file
^  Call: (253) [user] cont_sexpr(')', (0x56051b6b4f40), _1708122)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _1709980)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (255) [system] 'I'=(;)
^  Call: (255) [user] is_like_space('I')
   Call: (256) [system] char_type('I', 'white')
   Call: (256) [system] char_type('I', end_of_line)
   Call: (256) [system] char_type('I', space)
   Call: (256) [system] char_type('I', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] get_char((0x56051b6b4f40), _1718448)
   Exit: (254) [system] get_char((0x56051b6b4f40), 'I')
   Call: (254) [system] 'I'='('
   Call: (254) [system] 'I'='['
   Call: (254) [system] 'I'='{'
   Call: (254) [system] 'I'='"'
   Call: (254) [system] 'I'=!
   Call: (254) [system] 'I'='\''
   Call: (254) [system] 'I'='`'
   Call: (254) [system] 'I'=end_of_file
^  Call: (254) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1708122)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1728666)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1729600)
   Exit: (256) [system] peek_char((0x56051b6b4f40), m)
^  Call: (256) [user] is_delimiter(m)
   Call: (257) [system] char_type(m, space)
   Call: (257) [system] arg(_1733392, v('(', ')', end_of_file), m)
   Call: (256) [system] ')'==m
   Call: (256) [system] get_char((0x56051b6b4f40), m)
   Exit: (256) [system] get_char((0x56051b6b4f40), m)
   Call: (256) [system] m=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1737962)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1738896)
   Exit: (257) [system] peek_char((0x56051b6b4f40), p)
^  Call: (257) [user] is_delimiter(p)
   Call: (258) [system] char_type(p, space)
   Call: (258) [system] arg(_1742688, v('(', ')', end_of_file), p)
   Call: (257) [system] ')'==p
   Call: (257) [system] get_char((0x56051b6b4f40), p)
   Exit: (257) [system] get_char((0x56051b6b4f40), p)
   Call: (257) [system] p=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1747258)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1748192)
   Exit: (258) [system] peek_char((0x56051b6b4f40), l)
^  Call: (258) [user] is_delimiter(l)
   Call: (259) [system] char_type(l, space)
   Call: (259) [system] arg(_1751984, v('(', ')', end_of_file), l)
   Call: (258) [system] ')'==l
   Call: (258) [system] get_char((0x56051b6b4f40), l)
   Exit: (258) [system] get_char((0x56051b6b4f40), l)
   Call: (258) [system] l=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1756554)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1757488)
   Exit: (259) [system] peek_char((0x56051b6b4f40), i)
^  Call: (259) [user] is_delimiter(i)
   Call: (260) [system] char_type(i, space)
   Call: (260) [system] arg(_1761280, v('(', ')', end_of_file), i)
   Call: (259) [system] ')'==i
   Call: (259) [system] get_char((0x56051b6b4f40), i)
   Exit: (259) [system] get_char((0x56051b6b4f40), i)
   Call: (259) [system] i=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1765850)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1766784)
   Exit: (260) [system] peek_char((0x56051b6b4f40), c)
^  Call: (260) [user] is_delimiter(c)
   Call: (261) [system] char_type(c, space)
   Call: (261) [system] arg(_1770576, v('(', ')', end_of_file), c)
   Call: (260) [system] ')'==c
   Call: (260) [system] get_char((0x56051b6b4f40), c)
   Exit: (260) [system] get_char((0x56051b6b4f40), c)
   Call: (260) [system] c=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1775146)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1776080)
   Exit: (261) [system] peek_char((0x56051b6b4f40), a)
^  Call: (261) [user] is_delimiter(a)
   Call: (262) [system] char_type(a, space)
   Call: (262) [system] arg(_1779872, v('(', ')', end_of_file), a)
   Call: (261) [system] ')'==a
   Call: (261) [system] get_char((0x56051b6b4f40), a)
   Exit: (261) [system] get_char((0x56051b6b4f40), a)
   Call: (261) [system] a=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1784442)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1785376)
   Exit: (262) [system] peek_char((0x56051b6b4f40), t)
^  Call: (262) [user] is_delimiter(t)
   Call: (263) [system] char_type(t, space)
   Call: (263) [system] arg(_1789168, v('(', ')', end_of_file), t)
   Call: (262) [system] ')'==t
   Call: (262) [system] get_char((0x56051b6b4f40), t)
   Exit: (262) [system] get_char((0x56051b6b4f40), t)
   Call: (262) [system] t=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1793738)
   Call: (263) [system] peek_char((0x56051b6b4f40), _1794672)
   Exit: (263) [system] peek_char((0x56051b6b4f40), i)
^  Call: (263) [user] is_delimiter(i)
   Call: (264) [system] char_type(i, space)
   Call: (264) [system] arg(_1798464, v('(', ')', end_of_file), i)
   Call: (263) [system] ')'==i
   Call: (263) [system] get_char((0x56051b6b4f40), i)
   Exit: (263) [system] get_char((0x56051b6b4f40), i)
   Call: (263) [system] i=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1803034)
   Call: (264) [system] peek_char((0x56051b6b4f40), _1803968)
   Exit: (264) [system] peek_char((0x56051b6b4f40), o)
^  Call: (264) [user] is_delimiter(o)
   Call: (265) [system] char_type(o, space)
   Call: (265) [system] arg(_1807760, v('(', ')', end_of_file), o)
   Call: (264) [system] ')'==o
   Call: (264) [system] get_char((0x56051b6b4f40), o)
   Exit: (264) [system] get_char((0x56051b6b4f40), o)
   Call: (264) [system] o=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1812330)
   Call: (265) [system] peek_char((0x56051b6b4f40), _1813264)
   Exit: (265) [system] peek_char((0x56051b6b4f40), n)
^  Call: (265) [user] is_delimiter(n)
   Call: (266) [system] char_type(n, space)
   Call: (266) [system] arg(_1817056, v('(', ')', end_of_file), n)
   Call: (265) [system] ')'==n
   Call: (265) [system] get_char((0x56051b6b4f40), n)
   Exit: (265) [system] get_char((0x56051b6b4f40), n)
   Call: (265) [system] n=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1821626)
   Call: (266) [system] peek_char((0x56051b6b4f40), _1822560)
   Exit: (266) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (266) [user] is_delimiter(' ')
   Call: (267) [system] char_type(' ', space)
   Exit: (267) [system] char_type(' ', space)
^  Exit: (266) [user] is_delimiter(' ')
   Call: (266) [system] _1821626=[]
   Exit: (266) [system] []=[]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (265) [system] _1812330=[n]
   Exit: (265) [system] [n]=[n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (264) [system] _1803034=[o, n]
   Exit: (264) [system] [o, n]=[o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (263) [system] _1793738=[i, o, n]
   Exit: (263) [system] [i, o, n]=[i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (262) [system] _1784442=[t, i, o, n]
   Exit: (262) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (261) [system] _1775146=[a, t, i, o, n]
   Exit: (261) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (260) [system] _1765850=[c, a, t, i, o, n]
   Exit: (260) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (259) [system] _1756554=[i, c, a, t, i, o, n]
   Exit: (259) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (258) [system] _1747258=[l, i, c, a, t, i, o, n]
   Exit: (258) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (257) [system] _1737962=[p, l, i, c, a, t, i, o, n]
   Exit: (257) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (256) [system] _1728666=[m, p, l, i, c, a, t, i, o, n]
   Exit: (256) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (255) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1708122)
^  Call: (257) [system] setup_call_cleanup('$notrace'(_1859810, _1859812), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1708122), _1859786, fail)), '$restore_trace'(_1859810, _1859812))
^  Call: (258) [system] sig_atomic(system:'$notrace'(_1859810, _1859812))
^  Exit: (257) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1708122), _1859786, fail)), system:'$restore_trace'(3, -1))
   Call: (256) [system] atomic(_1708122)
   Call: (256) [system] atom_chars(_1708122, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (256) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (255) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (254) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (253) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (253) [user] read_list(')', (0x56051b6b4f40), _1868262)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _1870120)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (255) [system] ' '=(;)
^  Call: (255) [user] is_like_space(' ')
   Call: (256) [system] char_type(' ', 'white')
   Exit: (256) [system] char_type(' ', 'white')
^  Exit: (255) [user] is_like_space(' ')
   Call: (255) [system] get_char((0x56051b6b4f40), _1876930)
   Exit: (255) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _1879634)
   Exit: (256) [system] peek_char((0x56051b6b4f40), '(')
   Call: (256) [system] '('=(;)
^  Call: (256) [user] is_like_space('(')
   Call: (257) [system] char_type('(', 'white')
   Call: (257) [system] char_type('(', end_of_line)
   Call: (257) [system] char_type('(', space)
   Call: (257) [system] char_type('(', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1889026)
   Exit: (254) [system] peek_char((0x56051b6b4f40), '(')
   Call: (254) [system] '('=')'
   Call: (254) [system] '('=end_of_file
^  Call: (254) [user] cont_sexpr(')', (0x56051b6b4f40), _1892740)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _1894598)
   Exit: (256) [system] peek_char((0x56051b6b4f40), '(')
   Call: (256) [system] '('=(;)
^  Call: (256) [user] is_like_space('(')
   Call: (257) [system] char_type('(', 'white')
   Call: (257) [system] char_type('(', end_of_line)
   Call: (257) [system] char_type('(', space)
   Call: (257) [system] char_type('(', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] get_char((0x56051b6b4f40), _1903066)
   Exit: (255) [system] get_char((0x56051b6b4f40), '(')
   Call: (255) [system] '('='('
   Exit: (255) [system] '('='('
^  Call: (255) [user] read_list(')', (0x56051b6b4f40), _1892740)
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _1908636)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (257) [system] 'O'=(;)
^  Call: (257) [user] is_like_space('O')
   Call: (258) [system] char_type('O', 'white')
   Call: (258) [system] char_type('O', end_of_line)
   Call: (258) [system] char_type('O', space)
   Call: (258) [system] char_type('O', cntrl)
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _1917104)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (256) [system] 'O'=')'
   Call: (256) [system] 'O'=end_of_file
^  Call: (256) [user] cont_sexpr(')', (0x56051b6b4f40), _1920818)
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _1922676)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (258) [system] 'O'=(;)
^  Call: (258) [user] is_like_space('O')
   Call: (259) [system] char_type('O', 'white')
   Call: (259) [system] char_type('O', end_of_line)
   Call: (259) [system] char_type('O', space)
   Call: (259) [system] char_type('O', cntrl)
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] get_char((0x56051b6b4f40), _1931144)
   Exit: (257) [system] get_char((0x56051b6b4f40), 'O')
   Call: (257) [system] 'O'='('
   Call: (257) [system] 'O'='['
   Call: (257) [system] 'O'='{'
   Call: (257) [system] 'O'='"'
   Call: (257) [system] 'O'=!
   Call: (257) [system] 'O'='\''
   Call: (257) [system] 'O'='`'
   Call: (257) [system] 'O'=end_of_file
^  Call: (257) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1920818)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1941362)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1942296)
   Exit: (259) [system] peek_char((0x56051b6b4f40), r)
^  Call: (259) [user] is_delimiter(r)
   Call: (260) [system] char_type(r, space)
   Call: (260) [system] arg(_1946088, v('(', ')', end_of_file), r)
   Call: (259) [system] ')'==r
   Call: (259) [system] get_char((0x56051b6b4f40), r)
   Exit: (259) [system] get_char((0x56051b6b4f40), r)
   Call: (259) [system] r=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1950658)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1951592)
   Exit: (260) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (260) [user] is_delimiter('L')
   Call: (261) [system] char_type('L', space)
   Call: (261) [system] arg(_1955384, v('(', ')', end_of_file), 'L')
   Call: (260) [system] ')'=='L'
   Call: (260) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (260) [system] get_char((0x56051b6b4f40), 'L')
   Call: (260) [system] 'L'=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1959954)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1960888)
   Exit: (261) [system] peek_char((0x56051b6b4f40), i)
^  Call: (261) [user] is_delimiter(i)
   Call: (262) [system] char_type(i, space)
   Call: (262) [system] arg(_1964680, v('(', ')', end_of_file), i)
   Call: (261) [system] ')'==i
   Call: (261) [system] get_char((0x56051b6b4f40), i)
   Exit: (261) [system] get_char((0x56051b6b4f40), i)
   Call: (261) [system] i=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1969250)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1970184)
   Exit: (262) [system] peek_char((0x56051b6b4f40), n)
^  Call: (262) [user] is_delimiter(n)
   Call: (263) [system] char_type(n, space)
   Call: (263) [system] arg(_1973976, v('(', ')', end_of_file), n)
   Call: (262) [system] ')'==n
   Call: (262) [system] get_char((0x56051b6b4f40), n)
   Exit: (262) [system] get_char((0x56051b6b4f40), n)
   Call: (262) [system] n=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1978546)
   Call: (263) [system] peek_char((0x56051b6b4f40), _1979480)
   Exit: (263) [system] peek_char((0x56051b6b4f40), k)
^  Call: (263) [user] is_delimiter(k)
   Call: (264) [system] char_type(k, space)
   Call: (264) [system] arg(_1983272, v('(', ')', end_of_file), k)
   Call: (263) [system] ')'==k
   Call: (263) [system] get_char((0x56051b6b4f40), k)
   Exit: (263) [system] get_char((0x56051b6b4f40), k)
   Call: (263) [system] k=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1987842)
   Call: (264) [system] peek_char((0x56051b6b4f40), _1988776)
   Exit: (264) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (264) [user] is_delimiter(' ')
   Call: (265) [system] char_type(' ', space)
   Exit: (265) [system] char_type(' ', space)
^  Exit: (264) [user] is_delimiter(' ')
   Call: (264) [system] _1987842=[]
   Exit: (264) [system] []=[]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (263) [system] _1978546=[k]
   Exit: (263) [system] [k]=[k]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (262) [system] _1969250=[n, k]
   Exit: (262) [system] [n, k]=[n, k]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (261) [system] _1959954=[i, n, k]
   Exit: (261) [system] [i, n, k]=[i, n, k]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (260) [system] _1950658=['L', i, n, k]
   Exit: (260) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (259) [system] _1941362=[r, 'L', i, n, k]
   Exit: (259) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (258) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1920818)
^  Call: (260) [system] setup_call_cleanup('$notrace'(_2012056, _2012058), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1920818), _2012032, fail)), '$restore_trace'(_2012056, _2012058))
^  Call: (261) [system] sig_atomic(system:'$notrace'(_2012056, _2012058))
^  Exit: (260) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1920818), _2012032, fail)), system:'$restore_trace'(3, -1))
   Call: (259) [system] atomic(_1920818)
   Call: (259) [system] atom_chars(_1920818, ['O', r, 'L', i, n, k])
   Exit: (259) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (258) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (257) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (256) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (256) [user] read_list(')', (0x56051b6b4f40), _2020508)
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _2022366)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (258) [system] ' '=(;)
^  Call: (258) [user] is_like_space(' ')
   Call: (259) [system] char_type(' ', 'white')
   Exit: (259) [system] char_type(' ', 'white')
^  Exit: (258) [user] is_like_space(' ')
   Call: (258) [system] get_char((0x56051b6b4f40), _2029176)
   Exit: (258) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _2031880)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (259) [system] 'C'=(;)
^  Call: (259) [user] is_like_space('C')
   Call: (260) [system] char_type('C', 'white')
   Call: (260) [system] char_type('C', end_of_line)
   Call: (260) [system] char_type('C', space)
   Call: (260) [system] char_type('C', cntrl)
^  Exit: (258) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _2041272)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (257) [system] 'C'=')'
   Call: (257) [system] 'C'=end_of_file
^  Call: (257) [user] cont_sexpr(')', (0x56051b6b4f40), _2044986)
^  Call: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _2046844)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (259) [system] 'C'=(;)
^  Call: (259) [user] is_like_space('C')
   Call: (260) [system] char_type('C', 'white')
   Call: (260) [system] char_type('C', end_of_line)
   Call: (260) [system] char_type('C', space)
   Call: (260) [system] char_type('C', cntrl)
^  Exit: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] get_char((0x56051b6b4f40), _2055312)
   Exit: (258) [system] get_char((0x56051b6b4f40), 'C')
   Call: (258) [system] 'C'='('
   Call: (258) [system] 'C'='['
   Call: (258) [system] 'C'='{'
   Call: (258) [system] 'C'='"'
   Call: (258) [system] 'C'=!
   Call: (258) [system] 'C'='\''
   Call: (258) [system] 'C'='`'
   Call: (258) [system] 'C'=end_of_file
^  Call: (258) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _2044986)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2065530)
   Call: (260) [system] peek_char((0x56051b6b4f40), _2066464)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (260) [user] is_delimiter(' ')
   Call: (261) [system] char_type(' ', space)
   Exit: (261) [system] char_type(' ', space)
^  Exit: (260) [user] is_delimiter(' ')
   Call: (260) [system] _2065530=[]
   Exit: (260) [system] []=[]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (259) [user] classify_and_convert_charseq('C', [], _2044986)
^  Call: (261) [system] setup_call_cleanup('$notrace'(_2075774, _2075776), once(user:catch(read_from_chars(['C'], _2044986), _2075750, fail)), '$restore_trace'(_2075774, _2075776))
^  Call: (262) [system] sig_atomic(system:'$notrace'(_2075774, _2075776))
^  Exit: (261) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _2044986), _2075750, fail)), system:'$restore_trace'(3, -1))
   Call: (260) [system] atomic(_2044986)
   Call: (260) [system] atom_chars(_2044986, ['C'])
   Exit: (260) [system] atom_chars('C', ['C'])
^  Exit: (259) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (258) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (257) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (257) [user] read_list(')', (0x56051b6b4f40), _2084226)
^  Call: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _2086084)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (259) [system] ' '=(;)
^  Call: (259) [user] is_like_space(' ')
   Call: (260) [system] char_type(' ', 'white')
   Exit: (260) [system] char_type(' ', 'white')
^  Exit: (259) [user] is_like_space(' ')
   Call: (259) [system] get_char((0x56051b6b4f40), _2092894)
   Exit: (259) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] peek_char((0x56051b6b4f40), _2095598)
   Exit: (260) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (260) [system] 'D'=(;)
^  Call: (260) [user] is_like_space('D')
   Call: (261) [system] char_type('D', 'white')
   Call: (261) [system] char_type('D', end_of_line)
   Call: (261) [system] char_type('D', space)
   Call: (261) [system] char_type('D', cntrl)
^  Exit: (259) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _18924)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (258) [system] 'D'=')'
   Call: (258) [system] 'D'=end_of_file
^  Call: (258) [user] cont_sexpr(')', (0x56051b6b4f40), _22638)
^  Call: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] peek_char((0x56051b6b4f40), _24496)
   Exit: (260) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (260) [system] 'D'=(;)
^  Call: (260) [user] is_like_space('D')
   Call: (261) [system] char_type('D', 'white')
   Call: (261) [system] char_type('D', end_of_line)
   Call: (261) [system] char_type('D', space)
   Call: (261) [system] char_type('D', cntrl)
^  Exit: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] get_char((0x56051b6b4f40), _32964)
   Exit: (259) [system] get_char((0x56051b6b4f40), 'D')
   Call: (259) [system] 'D'='('
   Call: (259) [system] 'D'='['
   Call: (259) [system] 'D'='{'
   Call: (259) [system] 'D'='"'
   Call: (259) [system] 'D'=!
   Call: (259) [system] 'D'='\''
   Call: (259) [system] 'D'='`'
   Call: (259) [system] 'D'=end_of_file
^  Call: (259) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _22638)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _43182)
   Call: (261) [system] peek_char((0x56051b6b4f40), _44116)
   Exit: (261) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (261) [user] is_delimiter(')')
   Call: (262) [system] char_type(')', space)
   Call: (262) [system] arg(_47908, v('(', ')', end_of_file), ')')
   Exit: (262) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (261) [user] is_delimiter(')')
   Call: (261) [system] _43182=[]
   Exit: (261) [system] []=[]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (260) [user] classify_and_convert_charseq('D', [], _22638)
^  Call: (262) [system] setup_call_cleanup('$notrace'(_54370, _54372), once(user:catch(read_from_chars(['D'], _22638), _54346, fail)), '$restore_trace'(_54370, _54372))
^  Call: (263) [system] sig_atomic(system:'$notrace'(_54370, _54372))
^  Exit: (262) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _22638), _54346, fail)), system:'$restore_trace'(3, -1))
   Call: (261) [system] atomic(_22638)
   Call: (261) [system] atom_chars(_22638, ['D'])
   Exit: (261) [system] atom_chars('D', ['D'])
^  Exit: (260) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (259) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (258) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (258) [user] read_list(')', (0x56051b6b4f40), _62822)
^  Call: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] peek_char((0x56051b6b4f40), _64680)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ')')
   Call: (260) [system] ')'=(;)
^  Call: (260) [user] is_like_space(')')
   Call: (261) [system] char_type(')', 'white')
   Call: (261) [system] char_type(')', end_of_line)
   Call: (261) [system] char_type(')', space)
   Call: (261) [system] char_type(')', cntrl)
^  Exit: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _73148)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ')')
   Call: (259) [system] ')'=')'
   Exit: (259) [system] ')'=')'
   Call: (259) [system] get_char((0x56051b6b4f40), _76938)
   Exit: (259) [system] get_char((0x56051b6b4f40), ')')
   Call: (259) [system] _62822=[]
   Exit: (259) [system] []=[]
^  Exit: (258) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (258) [system] _10720=['D']
   Exit: (258) [system] ['D']=['D']
^  Exit: (257) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (257) [system] _10714=['C', 'D']
   Exit: (257) [system] ['C', 'D']=['C', 'D']
^  Exit: (256) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (256) [system] _10706=['OrLink', 'C', 'D']
   Exit: (256) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (255) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (254) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (254) [user] read_list(')', (0x56051b6b4f40), _90820)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _92678)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (256) [system] ' '=(;)
^  Call: (256) [user] is_like_space(' ')
   Call: (257) [system] char_type(' ', 'white')
   Exit: (257) [system] char_type(' ', 'white')
^  Exit: (256) [user] is_like_space(' ')
   Call: (256) [system] get_char((0x56051b6b4f40), _99488)
   Exit: (256) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _102192)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (257) [system] 'E'=(;)
^  Call: (257) [user] is_like_space('E')
   Call: (258) [system] char_type('E', 'white')
   Call: (258) [system] char_type('E', end_of_line)
   Call: (258) [system] char_type('E', space)
   Call: (258) [system] char_type('E', cntrl)
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _111584)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (255) [system] 'E'=')'
   Call: (255) [system] 'E'=end_of_file
^  Call: (255) [user] cont_sexpr(')', (0x56051b6b4f40), _115298)
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _117156)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (257) [system] 'E'=(;)
^  Call: (257) [user] is_like_space('E')
   Call: (258) [system] char_type('E', 'white')
   Call: (258) [system] char_type('E', end_of_line)
   Call: (258) [system] char_type('E', space)
   Call: (258) [system] char_type('E', cntrl)
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] get_char((0x56051b6b4f40), _125624)
   Exit: (256) [system] get_char((0x56051b6b4f40), 'E')
   Call: (256) [system] 'E'='('
   Call: (256) [system] 'E'='['
   Call: (256) [system] 'E'='{'
   Call: (256) [system] 'E'='"'
   Call: (256) [system] 'E'=!
   Call: (256) [system] 'E'='\''
   Call: (256) [system] 'E'='`'
   Call: (256) [system] 'E'=end_of_file
^  Call: (256) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _115298)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _135842)
   Call: (258) [system] peek_char((0x56051b6b4f40), _136776)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (258) [user] is_delimiter(')')
   Call: (259) [system] char_type(')', space)
   Call: (259) [system] arg(_140568, v('(', ')', end_of_file), ')')
   Exit: (259) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (258) [user] is_delimiter(')')
   Call: (258) [system] _135842=[]
   Exit: (258) [system] []=[]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (257) [user] classify_and_convert_charseq('E', [], _115298)
^  Call: (259) [system] setup_call_cleanup('$notrace'(_147030, _147032), once(user:catch(read_from_chars(['E'], _115298), _147006, fail)), '$restore_trace'(_147030, _147032))
^  Call: (260) [system] sig_atomic(system:'$notrace'(_147030, _147032))
^  Exit: (259) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _115298), _147006, fail)), system:'$restore_trace'(3, -1))
   Call: (258) [system] atomic(_115298)
   Call: (258) [system] atom_chars(_115298, ['E'])
   Exit: (258) [system] atom_chars('E', ['E'])
^  Exit: (257) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (256) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (255) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (255) [user] read_list(')', (0x56051b6b4f40), _155482)
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _157340)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ')')
   Call: (257) [system] ')'=(;)
^  Call: (257) [user] is_like_space(')')
   Call: (258) [system] char_type(')', 'white')
   Call: (258) [system] char_type(')', end_of_line)
   Call: (258) [system] char_type(')', space)
   Call: (258) [system] char_type(')', cntrl)
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _165808)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ')')
   Call: (256) [system] ')'=')'
   Exit: (256) [system] ')'=')'
   Call: (256) [system] get_char((0x56051b6b4f40), _169598)
   Exit: (256) [system] get_char((0x56051b6b4f40), ')')
   Call: (256) [system] _155482=[]
   Exit: (256) [system] []=[]
^  Exit: (255) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (255) [system] _90820=['E']
   Exit: (255) [system] ['E']=['E']
^  Exit: (254) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (254) [system] _10702=[['OrLink', 'C', 'D'], 'E']
   Exit: (254) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (253) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (253) [system] _10694=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (253) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (252) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _183480)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _185338)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
   Call: (253) [system] ')'=(;)
^  Call: (253) [user] is_like_space(')')
   Call: (254) [system] char_type(')', 'white')
   Call: (254) [system] char_type(')', end_of_line)
   Call: (254) [system] char_type(')', space)
   Call: (254) [system] char_type(')', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _193806)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
   Call: (252) [system] ')'=')'
   Exit: (252) [system] ')'=')'
   Call: (252) [system] get_char((0x56051b6b4f40), _197596)
   Exit: (252) [system] get_char((0x56051b6b4f40), ')')
   Call: (252) [system] _183480=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (251) [system] _10690=[['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (251) [system] [['Implication', ['OrLink', 'C', 'D'], 'E']]=[['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (250) [system] _10684=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (250) [system] ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), ['B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
   Call: (249) [system] _10676=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
   Exit: (249) [system] ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]=['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']])
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _211478)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _213336)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
   Call: (249) [system] ')'=(;)
^  Call: (249) [user] is_like_space(')')
   Call: (250) [system] char_type(')', 'white')
   Call: (250) [system] char_type(')', end_of_line)
   Call: (250) [system] char_type(')', space)
   Call: (250) [system] char_type(')', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _221804)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
   Call: (248) [system] ')'=')'
   Exit: (248) [system] ')'=')'
   Call: (248) [system] get_char((0x56051b6b4f40), _225594)
   Exit: (248) [system] get_char((0x56051b6b4f40), ')')
   Call: (248) [system] _211478=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (247) [system] _10672=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (247) [system] [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=[['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (246) [system] _10666=['B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (246) [system] ['B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), ['B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
   Call: (245) [system] _10658=['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
   Exit: (245) [system] ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]=['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]])
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _239476)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _241334)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=(;)
^  Call: (245) [user] is_like_space(')')
   Call: (246) [system] char_type(')', 'white')
   Call: (246) [system] char_type(')', end_of_line)
   Call: (246) [system] char_type(')', space)
   Call: (246) [system] char_type(')', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _249802)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ')')
   Call: (244) [system] ')'=')'
   Exit: (244) [system] ')'=')'
   Call: (244) [system] get_char((0x56051b6b4f40), _253592)
   Exit: (244) [system] get_char((0x56051b6b4f40), ')')
   Call: (244) [system] _239476=[]
   Exit: (244) [system] []=[]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (243) [system] _10654=[['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (243) [system] [['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (242) [system] _10612=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (242) [system] [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
   Call: (241) [system] _10604=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
   Exit: (241) [system] [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]]
^  Exit: (240) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Exit: (239) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, cde]], ['OrLink', 'B', ['OrLink', 'B', ['Implication', ['OrLink', 'C', 'D'], 'E']]]])
^  Call: (239) [user] read_list(')', (0x56051b6b4f40), _267474)
^  Call: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _269332)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (241) [system] '\n'=(;)
^  Call: (241) [user] is_like_space('\n')
   Call: (242) [system] char_type('\n', 'white')
   Call: (242) [system] char_type('\n', end_of_line)
   Exit: (242) [system] char_type('\n', end_of_line)
^  Exit: (241) [user] is_like_space('\n')
   Call: (241) [system] get_char((0x56051b6b4f40), _276948)
   Exit: (241) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _279652)
   Exit: (242) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (242) [system] ' '=(;)
^  Call: (242) [user] is_like_space(' ')
   Call: (243) [system] char_type(' ', 'white')
   Exit: (243) [system] char_type(' ', 'white')
^  Exit: (242) [user] is_like_space(' ')
   Call: (242) [system] get_char((0x56051b6b4f40), _286462)
   Exit: (242) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _289166)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=(;)
^  Call: (243) [user] is_like_space('(')
   Call: (244) [system] char_type('(', 'white')
   Call: (244) [system] char_type('(', end_of_line)
   Call: (244) [system] char_type('(', space)
   Call: (244) [system] char_type('(', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (240) [user] skip_spaces((0x56051b6b4f40))
   Call: (240) [system] peek_char((0x56051b6b4f40), _299482)
   Exit: (240) [system] peek_char((0x56051b6b4f40), '(')
   Call: (240) [system] '('=')'
   Call: (240) [system] '('=end_of_file
^  Call: (240) [user] cont_sexpr(')', (0x56051b6b4f40), _303196)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _305054)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('=(;)
^  Call: (242) [user] is_like_space('(')
   Call: (243) [system] char_type('(', 'white')
   Call: (243) [system] char_type('(', end_of_line)
   Call: (243) [system] char_type('(', space)
   Call: (243) [system] char_type('(', cntrl)
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] get_char((0x56051b6b4f40), _313522)
   Exit: (241) [system] get_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('='('
   Exit: (241) [system] '('='('
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _303196)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _319092)
   Exit: (243) [system] peek_char((0x56051b6b4f40), :)
   Call: (243) [system] (:)=(;)
^  Call: (243) [user] is_like_space(:)
   Call: (244) [system] char_type(:, 'white')
   Call: (244) [system] char_type(:, end_of_line)
   Call: (244) [system] char_type(:, space)
   Call: (244) [system] char_type(:, cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _327560)
   Exit: (242) [system] peek_char((0x56051b6b4f40), :)
   Call: (242) [system] (:)=')'
   Call: (242) [system] (:)=end_of_file
^  Call: (242) [user] cont_sexpr(')', (0x56051b6b4f40), _331274)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _333132)
   Exit: (244) [system] peek_char((0x56051b6b4f40), :)
   Call: (244) [system] (:)=(;)
^  Call: (244) [user] is_like_space(:)
   Call: (245) [system] char_type(:, 'white')
   Call: (245) [system] char_type(:, end_of_line)
   Call: (245) [system] char_type(:, space)
   Call: (245) [system] char_type(:, cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] get_char((0x56051b6b4f40), _341600)
   Exit: (243) [system] get_char((0x56051b6b4f40), :)
   Call: (243) [system] (:)='('
   Call: (243) [system] (:)='['
   Call: (243) [system] (:)='{'
   Call: (243) [system] (:)='"'
   Call: (243) [system] (:)=!
   Call: (243) [system] (:)='\''
   Call: (243) [system] (:)='`'
   Call: (243) [system] (:)=end_of_file
^  Call: (243) [user] read_symbolic(')', (0x56051b6b4f40), :, _331274)
^  Call: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), _351818)
   Call: (245) [system] peek_char((0x56051b6b4f40), _352752)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] is_delimiter(' ')
   Call: (246) [system] char_type(' ', space)
   Exit: (246) [system] char_type(' ', space)
^  Exit: (245) [user] is_delimiter(' ')
   Call: (245) [system] _351818=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (244) [user] classify_and_convert_charseq(:, [], _331274)
^  Call: (246) [system] setup_call_cleanup('$notrace'(_362062, _362064), once(user:catch(read_from_chars([:], _331274), _362038, fail)), '$restore_trace'(_362062, _362064))
^  Call: (247) [system] sig_atomic(system:'$notrace'(_362062, _362064))
^  Exit: (246) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _362038, fail)), system:'$restore_trace'(3, -1))
   Call: (245) [system] atomic(:)
   Exit: (245) [system] atomic(:)
^  Exit: (244) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (243) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (242) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _369562)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _371420)
   Exit: (244) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (244) [system] ' '=(;)
^  Call: (244) [user] is_like_space(' ')
   Call: (245) [system] char_type(' ', 'white')
   Exit: (245) [system] char_type(' ', 'white')
^  Exit: (244) [user] is_like_space(' ')
   Call: (244) [system] get_char((0x56051b6b4f40), _378230)
   Exit: (244) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _380934)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=(;)
^  Call: (245) [user] is_like_space('(')
   Call: (246) [system] char_type('(', 'white')
   Call: (246) [system] char_type('(', end_of_line)
   Call: (246) [system] char_type('(', space)
   Call: (246) [system] char_type('(', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _390326)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=')'
   Call: (243) [system] '('=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _394040)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _395898)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=(;)
^  Call: (245) [user] is_like_space('(')
   Call: (246) [system] char_type('(', 'white')
   Call: (246) [system] char_type('(', end_of_line)
   Call: (246) [system] char_type('(', space)
   Call: (246) [system] char_type('(', cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _404366)
   Exit: (244) [system] get_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('='('
   Exit: (244) [system] '('='('
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _394040)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _409936)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (246) [system] 'D'=(;)
^  Call: (246) [user] is_like_space('D')
   Call: (247) [system] char_type('D', 'white')
   Call: (247) [system] char_type('D', end_of_line)
   Call: (247) [system] char_type('D', space)
   Call: (247) [system] char_type('D', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _418404)
   Exit: (245) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (245) [system] 'D'=')'
   Call: (245) [system] 'D'=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _422118)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _423976)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (247) [system] 'D'=(;)
^  Call: (247) [user] is_like_space('D')
   Call: (248) [system] char_type('D', 'white')
   Call: (248) [system] char_type('D', end_of_line)
   Call: (248) [system] char_type('D', space)
   Call: (248) [system] char_type('D', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _432444)
   Exit: (246) [system] get_char((0x56051b6b4f40), 'D')
   Call: (246) [system] 'D'='('
   Call: (246) [system] 'D'='['
   Call: (246) [system] 'D'='{'
   Call: (246) [system] 'D'='"'
   Call: (246) [system] 'D'=!
   Call: (246) [system] 'D'='\''
   Call: (246) [system] 'D'='`'
   Call: (246) [system] 'D'=end_of_file
^  Call: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _422118)
^  Call: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), _442662)
   Call: (248) [system] peek_char((0x56051b6b4f40), _443596)
   Exit: (248) [system] peek_char((0x56051b6b4f40), i)
^  Call: (248) [user] is_delimiter(i)
   Call: (249) [system] char_type(i, space)
   Call: (249) [system] arg(_447388, v('(', ')', end_of_file), i)
   Call: (248) [system] ')'==i
   Call: (248) [system] get_char((0x56051b6b4f40), i)
   Exit: (248) [system] get_char((0x56051b6b4f40), i)
   Call: (248) [system] i=(\)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _451958)
   Call: (249) [system] peek_char((0x56051b6b4f40), _452892)
   Exit: (249) [system] peek_char((0x56051b6b4f40), s)
^  Call: (249) [user] is_delimiter(s)
   Call: (250) [system] char_type(s, space)
   Call: (250) [system] arg(_456684, v('(', ')', end_of_file), s)
   Call: (249) [system] ')'==s
   Call: (249) [system] get_char((0x56051b6b4f40), s)
   Exit: (249) [system] get_char((0x56051b6b4f40), s)
   Call: (249) [system] s=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _461254)
   Call: (250) [system] peek_char((0x56051b6b4f40), _462188)
   Exit: (250) [system] peek_char((0x56051b6b4f40), j)
^  Call: (250) [user] is_delimiter(j)
   Call: (251) [system] char_type(j, space)
   Call: (251) [system] arg(_465980, v('(', ')', end_of_file), j)
   Call: (250) [system] ')'==j
   Call: (250) [system] get_char((0x56051b6b4f40), j)
   Exit: (250) [system] get_char((0x56051b6b4f40), j)
   Call: (250) [system] j=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _470550)
   Call: (251) [system] peek_char((0x56051b6b4f40), _471484)
   Exit: (251) [system] peek_char((0x56051b6b4f40), u)
^  Call: (251) [user] is_delimiter(u)
   Call: (252) [system] char_type(u, space)
   Call: (252) [system] arg(_475276, v('(', ')', end_of_file), u)
   Call: (251) [system] ')'==u
   Call: (251) [system] get_char((0x56051b6b4f40), u)
   Exit: (251) [system] get_char((0x56051b6b4f40), u)
   Call: (251) [system] u=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _479846)
   Call: (252) [system] peek_char((0x56051b6b4f40), _480780)
   Exit: (252) [system] peek_char((0x56051b6b4f40), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_484572, v('(', ')', end_of_file), n)
   Call: (252) [system] ')'==n
   Call: (252) [system] get_char((0x56051b6b4f40), n)
   Exit: (252) [system] get_char((0x56051b6b4f40), n)
   Call: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _489142)
   Call: (253) [system] peek_char((0x56051b6b4f40), _490076)
   Exit: (253) [system] peek_char((0x56051b6b4f40), c)
^  Call: (253) [user] is_delimiter(c)
   Call: (254) [system] char_type(c, space)
   Call: (254) [system] arg(_493868, v('(', ')', end_of_file), c)
   Call: (253) [system] ')'==c
   Call: (253) [system] get_char((0x56051b6b4f40), c)
   Exit: (253) [system] get_char((0x56051b6b4f40), c)
   Call: (253) [system] c=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _498438)
   Call: (254) [system] peek_char((0x56051b6b4f40), _499372)
   Exit: (254) [system] peek_char((0x56051b6b4f40), t)
^  Call: (254) [user] is_delimiter(t)
   Call: (255) [system] char_type(t, space)
   Call: (255) [system] arg(_503164, v('(', ')', end_of_file), t)
   Call: (254) [system] ')'==t
   Call: (254) [system] get_char((0x56051b6b4f40), t)
   Exit: (254) [system] get_char((0x56051b6b4f40), t)
   Call: (254) [system] t=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _507734)
   Call: (255) [system] peek_char((0x56051b6b4f40), _508668)
   Exit: (255) [system] peek_char((0x56051b6b4f40), i)
^  Call: (255) [user] is_delimiter(i)
   Call: (256) [system] char_type(i, space)
   Call: (256) [system] arg(_512460, v('(', ')', end_of_file), i)
   Call: (255) [system] ')'==i
   Call: (255) [system] get_char((0x56051b6b4f40), i)
   Exit: (255) [system] get_char((0x56051b6b4f40), i)
   Call: (255) [system] i=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _517030)
   Call: (256) [system] peek_char((0x56051b6b4f40), _517964)
   Exit: (256) [system] peek_char((0x56051b6b4f40), o)
^  Call: (256) [user] is_delimiter(o)
   Call: (257) [system] char_type(o, space)
   Call: (257) [system] arg(_521756, v('(', ')', end_of_file), o)
   Call: (256) [system] ')'==o
   Call: (256) [system] get_char((0x56051b6b4f40), o)
   Exit: (256) [system] get_char((0x56051b6b4f40), o)
   Call: (256) [system] o=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _526326)
   Call: (257) [system] peek_char((0x56051b6b4f40), _527260)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_531052, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _535622)
   Call: (258) [system] peek_char((0x56051b6b4f40), _536556)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (258) [user] is_delimiter('I')
   Call: (259) [system] char_type('I', space)
   Call: (259) [system] arg(_540348, v('(', ')', end_of_file), 'I')
   Call: (258) [system] ')'=='I'
   Call: (258) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (258) [system] get_char((0x56051b6b4f40), 'I')
   Call: (258) [system] 'I'=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _544918)
   Call: (259) [system] peek_char((0x56051b6b4f40), _545852)
   Exit: (259) [system] peek_char((0x56051b6b4f40), n)
^  Call: (259) [user] is_delimiter(n)
   Call: (260) [system] char_type(n, space)
   Call: (260) [system] arg(_549644, v('(', ')', end_of_file), n)
   Call: (259) [system] ')'==n
   Call: (259) [system] get_char((0x56051b6b4f40), n)
   Exit: (259) [system] get_char((0x56051b6b4f40), n)
   Call: (259) [system] n=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _554214)
   Call: (260) [system] peek_char((0x56051b6b4f40), _555148)
   Exit: (260) [system] peek_char((0x56051b6b4f40), t)
^  Call: (260) [user] is_delimiter(t)
   Call: (261) [system] char_type(t, space)
   Call: (261) [system] arg(_558940, v('(', ')', end_of_file), t)
   Call: (260) [system] ')'==t
   Call: (260) [system] get_char((0x56051b6b4f40), t)
   Exit: (260) [system] get_char((0x56051b6b4f40), t)
   Call: (260) [system] t=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _563510)
   Call: (261) [system] peek_char((0x56051b6b4f40), _564444)
   Exit: (261) [system] peek_char((0x56051b6b4f40), r)
^  Call: (261) [user] is_delimiter(r)
   Call: (262) [system] char_type(r, space)
   Call: (262) [system] arg(_568236, v('(', ')', end_of_file), r)
   Call: (261) [system] ')'==r
   Call: (261) [system] get_char((0x56051b6b4f40), r)
   Exit: (261) [system] get_char((0x56051b6b4f40), r)
   Call: (261) [system] r=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _572806)
   Call: (262) [system] peek_char((0x56051b6b4f40), _573740)
   Exit: (262) [system] peek_char((0x56051b6b4f40), o)
^  Call: (262) [user] is_delimiter(o)
   Call: (263) [system] char_type(o, space)
   Call: (263) [system] arg(_577532, v('(', ')', end_of_file), o)
   Call: (262) [system] ')'==o
   Call: (262) [system] get_char((0x56051b6b4f40), o)
   Exit: (262) [system] get_char((0x56051b6b4f40), o)
   Call: (262) [system] o=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _582102)
   Call: (263) [system] peek_char((0x56051b6b4f40), _583036)
   Exit: (263) [system] peek_char((0x56051b6b4f40), d)
^  Call: (263) [user] is_delimiter(d)
   Call: (264) [system] char_type(d, space)
   Call: (264) [system] arg(_586828, v('(', ')', end_of_file), d)
   Call: (263) [system] ')'==d
   Call: (263) [system] get_char((0x56051b6b4f40), d)
   Exit: (263) [system] get_char((0x56051b6b4f40), d)
   Call: (263) [system] d=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _591398)
   Call: (264) [system] peek_char((0x56051b6b4f40), _592332)
   Exit: (264) [system] peek_char((0x56051b6b4f40), u)
^  Call: (264) [user] is_delimiter(u)
   Call: (265) [system] char_type(u, space)
   Call: (265) [system] arg(_596124, v('(', ')', end_of_file), u)
   Call: (264) [system] ')'==u
   Call: (264) [system] get_char((0x56051b6b4f40), u)
   Exit: (264) [system] get_char((0x56051b6b4f40), u)
   Call: (264) [system] u=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _600694)
   Call: (265) [system] peek_char((0x56051b6b4f40), _601628)
   Exit: (265) [system] peek_char((0x56051b6b4f40), c)
^  Call: (265) [user] is_delimiter(c)
   Call: (266) [system] char_type(c, space)
   Call: (266) [system] arg(_605420, v('(', ')', end_of_file), c)
   Call: (265) [system] ')'==c
   Call: (265) [system] get_char((0x56051b6b4f40), c)
   Exit: (265) [system] get_char((0x56051b6b4f40), c)
   Call: (265) [system] c=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _609990)
   Call: (266) [system] peek_char((0x56051b6b4f40), _610924)
   Exit: (266) [system] peek_char((0x56051b6b4f40), t)
^  Call: (266) [user] is_delimiter(t)
   Call: (267) [system] char_type(t, space)
   Call: (267) [system] arg(_614716, v('(', ')', end_of_file), t)
   Call: (266) [system] ')'==t
   Call: (266) [system] get_char((0x56051b6b4f40), t)
   Exit: (266) [system] get_char((0x56051b6b4f40), t)
   Call: (266) [system] t=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _619286)
   Call: (267) [system] peek_char((0x56051b6b4f40), _620220)
   Exit: (267) [system] peek_char((0x56051b6b4f40), i)
^  Call: (267) [user] is_delimiter(i)
   Call: (268) [system] char_type(i, space)
   Call: (268) [system] arg(_624012, v('(', ')', end_of_file), i)
   Call: (267) [system] ')'==i
   Call: (267) [system] get_char((0x56051b6b4f40), i)
   Exit: (267) [system] get_char((0x56051b6b4f40), i)
   Call: (267) [system] i=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _628582)
   Call: (268) [system] peek_char((0x56051b6b4f40), _629516)
   Exit: (268) [system] peek_char((0x56051b6b4f40), o)
^  Call: (268) [user] is_delimiter(o)
   Call: (269) [system] char_type(o, space)
   Call: (269) [system] arg(_633308, v('(', ')', end_of_file), o)
   Call: (268) [system] ')'==o
   Call: (268) [system] get_char((0x56051b6b4f40), o)
   Exit: (268) [system] get_char((0x56051b6b4f40), o)
   Call: (268) [system] o=(\)
^  Call: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), _637878)
   Call: (269) [system] peek_char((0x56051b6b4f40), _638812)
   Exit: (269) [system] peek_char((0x56051b6b4f40), n)
^  Call: (269) [user] is_delimiter(n)
   Call: (270) [system] char_type(n, space)
   Call: (270) [system] arg(_642604, v('(', ')', end_of_file), n)
   Call: (269) [system] ')'==n
   Call: (269) [system] get_char((0x56051b6b4f40), n)
   Exit: (269) [system] get_char((0x56051b6b4f40), n)
   Call: (269) [system] n=(\)
^  Call: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), _647174)
   Call: (270) [system] peek_char((0x56051b6b4f40), _648108)
   Exit: (270) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (270) [user] is_delimiter(' ')
   Call: (271) [system] char_type(' ', space)
   Exit: (271) [system] char_type(' ', space)
^  Exit: (270) [user] is_delimiter(' ')
   Call: (270) [system] _647174=[]
   Exit: (270) [system] []=[]
^  Exit: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (269) [system] _637878=[n]
   Exit: (269) [system] [n]=[n]
^  Exit: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (268) [system] _628582=[o, n]
   Exit: (268) [system] [o, n]=[o, n]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (267) [system] _619286=[i, o, n]
   Exit: (267) [system] [i, o, n]=[i, o, n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (266) [system] _609990=[t, i, o, n]
   Exit: (266) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (265) [system] _600694=[c, t, i, o, n]
   Exit: (265) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (264) [system] _591398=[u, c, t, i, o, n]
   Exit: (264) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (263) [system] _582102=[d, u, c, t, i, o, n]
   Exit: (263) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (262) [system] _572806=[o, d, u, c, t, i, o, n]
   Exit: (262) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (261) [system] _563510=[r, o, d, u, c, t, i, o, n]
   Exit: (261) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (260) [system] _554214=[t, r, o, d, u, c, t, i, o, n]
   Exit: (260) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (259) [system] _544918=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _535622=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _526326=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _517030=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _507734=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _498438=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _489142=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _479846=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _470550=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _461254=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _451958=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (248) [system] _442662=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (248) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (247) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (247) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _422118)
^  Call: (249) [system] setup_call_cleanup('$notrace'(_718886, _718888), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _422118), _718862, fail)), '$restore_trace'(_718886, _718888))
^  Call: (250) [system] sig_atomic(system:'$notrace'(_718886, _718888))
^  Exit: (249) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _422118), _718862, fail)), system:'$restore_trace'(3, -1))
   Call: (248) [system] atomic(_422118)
   Call: (248) [system] atom_chars(_422118, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (248) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (247) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (246) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _727338)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _729196)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (247) [system] ' '=(;)
^  Call: (247) [user] is_like_space(' ')
   Call: (248) [system] char_type(' ', 'white')
   Exit: (248) [system] char_type(' ', 'white')
^  Exit: (247) [user] is_like_space(' ')
   Call: (247) [system] get_char((0x56051b6b4f40), _736006)
   Exit: (247) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _738710)
   Exit: (248) [system] peek_char((0x56051b6b4f40), a)
   Call: (248) [system] a=(;)
^  Call: (248) [user] is_like_space(a)
   Call: (249) [system] char_type(a, 'white')
   Call: (249) [system] char_type(a, end_of_line)
   Call: (249) [system] char_type(a, space)
   Call: (249) [system] char_type(a, cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _748102)
   Exit: (246) [system] peek_char((0x56051b6b4f40), a)
   Call: (246) [system] a=')'
   Call: (246) [system] a=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _751816)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _753674)
   Exit: (248) [system] peek_char((0x56051b6b4f40), a)
   Call: (248) [system] a=(;)
^  Call: (248) [user] is_like_space(a)
   Call: (249) [system] char_type(a, 'white')
   Call: (249) [system] char_type(a, end_of_line)
   Call: (249) [system] char_type(a, space)
   Call: (249) [system] char_type(a, cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _762142)
   Exit: (247) [system] get_char((0x56051b6b4f40), a)
   Call: (247) [system] a='('
   Call: (247) [system] a='['
   Call: (247) [system] a='{'
   Call: (247) [system] a='"'
   Call: (247) [system] a=!
   Call: (247) [system] a='\''
   Call: (247) [system] a='`'
   Call: (247) [system] a=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), a, _751816)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _772360)
   Call: (249) [system] peek_char((0x56051b6b4f40), _773294)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] is_delimiter(' ')
   Call: (250) [system] char_type(' ', space)
   Exit: (250) [system] char_type(' ', space)
^  Exit: (249) [user] is_delimiter(' ')
   Call: (249) [system] _772360=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (248) [user] classify_and_convert_charseq(a, [], _751816)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_782604, _782606), once(user:catch(read_from_chars([a], _751816), _782580, fail)), '$restore_trace'(_782604, _782606))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_782604, _782606))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _782580, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(a)
   Exit: (249) [system] atomic(a)
^  Exit: (248) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _790104)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _791962)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (248) [system] ' '=(;)
^  Call: (248) [user] is_like_space(' ')
   Call: (249) [system] char_type(' ', 'white')
   Exit: (249) [system] char_type(' ', 'white')
^  Exit: (248) [user] is_like_space(' ')
   Call: (248) [system] get_char((0x56051b6b4f40), _798772)
   Exit: (248) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _801476)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=(;)
^  Call: (249) [user] is_like_space('(')
   Call: (250) [system] char_type('(', 'white')
   Call: (250) [system] char_type('(', end_of_line)
   Call: (250) [system] char_type('(', space)
   Call: (250) [system] char_type('(', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _810868)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=')'
   Call: (247) [system] '('=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _814582)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _816440)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=(;)
^  Call: (249) [user] is_like_space('(')
   Call: (250) [system] char_type('(', 'white')
   Call: (250) [system] char_type('(', end_of_line)
   Call: (250) [system] char_type('(', space)
   Call: (250) [system] char_type('(', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _824908)
   Exit: (248) [system] get_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('='('
   Exit: (248) [system] '('='('
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _814582)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _830478)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (250) [system] 'D'=(;)
^  Call: (250) [user] is_like_space('D')
   Call: (251) [system] char_type('D', 'white')
   Call: (251) [system] char_type('D', end_of_line)
   Call: (251) [system] char_type('D', space)
   Call: (251) [system] char_type('D', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _838946)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (249) [system] 'D'=')'
   Call: (249) [system] 'D'=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _842660)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _844518)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (251) [system] 'D'=(;)
^  Call: (251) [user] is_like_space('D')
   Call: (252) [system] char_type('D', 'white')
   Call: (252) [system] char_type('D', end_of_line)
   Call: (252) [system] char_type('D', space)
   Call: (252) [system] char_type('D', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _852986)
   Exit: (250) [system] get_char((0x56051b6b4f40), 'D')
   Call: (250) [system] 'D'='('
   Call: (250) [system] 'D'='['
   Call: (250) [system] 'D'='{'
   Call: (250) [system] 'D'='"'
   Call: (250) [system] 'D'=!
   Call: (250) [system] 'D'='\''
   Call: (250) [system] 'D'='`'
   Call: (250) [system] 'D'=end_of_file
^  Call: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _842660)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _863204)
   Call: (252) [system] peek_char((0x56051b6b4f40), _864138)
   Exit: (252) [system] peek_char((0x56051b6b4f40), i)
^  Call: (252) [user] is_delimiter(i)
   Call: (253) [system] char_type(i, space)
   Call: (253) [system] arg(_867930, v('(', ')', end_of_file), i)
   Call: (252) [system] ')'==i
   Call: (252) [system] get_char((0x56051b6b4f40), i)
   Exit: (252) [system] get_char((0x56051b6b4f40), i)
   Call: (252) [system] i=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _872500)
   Call: (253) [system] peek_char((0x56051b6b4f40), _873434)
   Exit: (253) [system] peek_char((0x56051b6b4f40), s)
^  Call: (253) [user] is_delimiter(s)
   Call: (254) [system] char_type(s, space)
   Call: (254) [system] arg(_877226, v('(', ')', end_of_file), s)
   Call: (253) [system] ')'==s
   Call: (253) [system] get_char((0x56051b6b4f40), s)
   Exit: (253) [system] get_char((0x56051b6b4f40), s)
   Call: (253) [system] s=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _881796)
   Call: (254) [system] peek_char((0x56051b6b4f40), _882730)
   Exit: (254) [system] peek_char((0x56051b6b4f40), j)
^  Call: (254) [user] is_delimiter(j)
   Call: (255) [system] char_type(j, space)
   Call: (255) [system] arg(_886522, v('(', ')', end_of_file), j)
   Call: (254) [system] ')'==j
   Call: (254) [system] get_char((0x56051b6b4f40), j)
   Exit: (254) [system] get_char((0x56051b6b4f40), j)
   Call: (254) [system] j=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _891092)
   Call: (255) [system] peek_char((0x56051b6b4f40), _892026)
   Exit: (255) [system] peek_char((0x56051b6b4f40), u)
^  Call: (255) [user] is_delimiter(u)
   Call: (256) [system] char_type(u, space)
   Call: (256) [system] arg(_895818, v('(', ')', end_of_file), u)
   Call: (255) [system] ')'==u
   Call: (255) [system] get_char((0x56051b6b4f40), u)
   Exit: (255) [system] get_char((0x56051b6b4f40), u)
   Call: (255) [system] u=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _900388)
   Call: (256) [system] peek_char((0x56051b6b4f40), _901322)
   Exit: (256) [system] peek_char((0x56051b6b4f40), n)
^  Call: (256) [user] is_delimiter(n)
   Call: (257) [system] char_type(n, space)
   Call: (257) [system] arg(_905114, v('(', ')', end_of_file), n)
   Call: (256) [system] ')'==n
   Call: (256) [system] get_char((0x56051b6b4f40), n)
   Exit: (256) [system] get_char((0x56051b6b4f40), n)
   Call: (256) [system] n=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _909684)
   Call: (257) [system] peek_char((0x56051b6b4f40), _910618)
   Exit: (257) [system] peek_char((0x56051b6b4f40), c)
^  Call: (257) [user] is_delimiter(c)
   Call: (258) [system] char_type(c, space)
   Call: (258) [system] arg(_914410, v('(', ')', end_of_file), c)
   Call: (257) [system] ')'==c
   Call: (257) [system] get_char((0x56051b6b4f40), c)
   Exit: (257) [system] get_char((0x56051b6b4f40), c)
   Call: (257) [system] c=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _918980)
   Call: (258) [system] peek_char((0x56051b6b4f40), _919914)
   Exit: (258) [system] peek_char((0x56051b6b4f40), t)
^  Call: (258) [user] is_delimiter(t)
   Call: (259) [system] char_type(t, space)
   Call: (259) [system] arg(_923706, v('(', ')', end_of_file), t)
   Call: (258) [system] ')'==t
   Call: (258) [system] get_char((0x56051b6b4f40), t)
   Exit: (258) [system] get_char((0x56051b6b4f40), t)
   Call: (258) [system] t=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _928276)
   Call: (259) [system] peek_char((0x56051b6b4f40), _929210)
   Exit: (259) [system] peek_char((0x56051b6b4f40), i)
^  Call: (259) [user] is_delimiter(i)
   Call: (260) [system] char_type(i, space)
   Call: (260) [system] arg(_933002, v('(', ')', end_of_file), i)
   Call: (259) [system] ')'==i
   Call: (259) [system] get_char((0x56051b6b4f40), i)
   Exit: (259) [system] get_char((0x56051b6b4f40), i)
   Call: (259) [system] i=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _937572)
   Call: (260) [system] peek_char((0x56051b6b4f40), _938506)
   Exit: (260) [system] peek_char((0x56051b6b4f40), o)
^  Call: (260) [user] is_delimiter(o)
   Call: (261) [system] char_type(o, space)
   Call: (261) [system] arg(_942298, v('(', ')', end_of_file), o)
   Call: (260) [system] ')'==o
   Call: (260) [system] get_char((0x56051b6b4f40), o)
   Exit: (260) [system] get_char((0x56051b6b4f40), o)
   Call: (260) [system] o=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _946868)
   Call: (261) [system] peek_char((0x56051b6b4f40), _947802)
   Exit: (261) [system] peek_char((0x56051b6b4f40), n)
^  Call: (261) [user] is_delimiter(n)
   Call: (262) [system] char_type(n, space)
   Call: (262) [system] arg(_951594, v('(', ')', end_of_file), n)
   Call: (261) [system] ')'==n
   Call: (261) [system] get_char((0x56051b6b4f40), n)
   Exit: (261) [system] get_char((0x56051b6b4f40), n)
   Call: (261) [system] n=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _956164)
   Call: (262) [system] peek_char((0x56051b6b4f40), _957098)
   Exit: (262) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (262) [user] is_delimiter('I')
   Call: (263) [system] char_type('I', space)
   Call: (263) [system] arg(_960890, v('(', ')', end_of_file), 'I')
   Call: (262) [system] ')'=='I'
   Call: (262) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (262) [system] get_char((0x56051b6b4f40), 'I')
   Call: (262) [system] 'I'=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _965460)
   Call: (263) [system] peek_char((0x56051b6b4f40), _966394)
   Exit: (263) [system] peek_char((0x56051b6b4f40), n)
^  Call: (263) [user] is_delimiter(n)
   Call: (264) [system] char_type(n, space)
   Call: (264) [system] arg(_970186, v('(', ')', end_of_file), n)
   Call: (263) [system] ')'==n
   Call: (263) [system] get_char((0x56051b6b4f40), n)
   Exit: (263) [system] get_char((0x56051b6b4f40), n)
   Call: (263) [system] n=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _974756)
   Call: (264) [system] peek_char((0x56051b6b4f40), _975690)
   Exit: (264) [system] peek_char((0x56051b6b4f40), t)
^  Call: (264) [user] is_delimiter(t)
   Call: (265) [system] char_type(t, space)
   Call: (265) [system] arg(_979482, v('(', ')', end_of_file), t)
   Call: (264) [system] ')'==t
   Call: (264) [system] get_char((0x56051b6b4f40), t)
   Exit: (264) [system] get_char((0x56051b6b4f40), t)
   Call: (264) [system] t=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _984052)
   Call: (265) [system] peek_char((0x56051b6b4f40), _984986)
   Exit: (265) [system] peek_char((0x56051b6b4f40), r)
^  Call: (265) [user] is_delimiter(r)
   Call: (266) [system] char_type(r, space)
   Call: (266) [system] arg(_988778, v('(', ')', end_of_file), r)
   Call: (265) [system] ')'==r
   Call: (265) [system] get_char((0x56051b6b4f40), r)
   Exit: (265) [system] get_char((0x56051b6b4f40), r)
   Call: (265) [system] r=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _993348)
   Call: (266) [system] peek_char((0x56051b6b4f40), _994282)
   Exit: (266) [system] peek_char((0x56051b6b4f40), o)
^  Call: (266) [user] is_delimiter(o)
   Call: (267) [system] char_type(o, space)
   Call: (267) [system] arg(_998074, v('(', ')', end_of_file), o)
   Call: (266) [system] ')'==o
   Call: (266) [system] get_char((0x56051b6b4f40), o)
   Exit: (266) [system] get_char((0x56051b6b4f40), o)
   Call: (266) [system] o=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1002644)
   Call: (267) [system] peek_char((0x56051b6b4f40), _1003578)
   Exit: (267) [system] peek_char((0x56051b6b4f40), d)
^  Call: (267) [user] is_delimiter(d)
   Call: (268) [system] char_type(d, space)
   Call: (268) [system] arg(_1007370, v('(', ')', end_of_file), d)
   Call: (267) [system] ')'==d
   Call: (267) [system] get_char((0x56051b6b4f40), d)
   Exit: (267) [system] get_char((0x56051b6b4f40), d)
   Call: (267) [system] d=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1011940)
   Call: (268) [system] peek_char((0x56051b6b4f40), _1012874)
   Exit: (268) [system] peek_char((0x56051b6b4f40), u)
^  Call: (268) [user] is_delimiter(u)
   Call: (269) [system] char_type(u, space)
   Call: (269) [system] arg(_1016666, v('(', ')', end_of_file), u)
   Call: (268) [system] ')'==u
   Call: (268) [system] get_char((0x56051b6b4f40), u)
   Exit: (268) [system] get_char((0x56051b6b4f40), u)
   Call: (268) [system] u=(\)
^  Call: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1021236)
   Call: (269) [system] peek_char((0x56051b6b4f40), _1022170)
   Exit: (269) [system] peek_char((0x56051b6b4f40), c)
^  Call: (269) [user] is_delimiter(c)
   Call: (270) [system] char_type(c, space)
   Call: (270) [system] arg(_1025962, v('(', ')', end_of_file), c)
   Call: (269) [system] ')'==c
   Call: (269) [system] get_char((0x56051b6b4f40), c)
   Exit: (269) [system] get_char((0x56051b6b4f40), c)
   Call: (269) [system] c=(\)
^  Call: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1030532)
   Call: (270) [system] peek_char((0x56051b6b4f40), _1031466)
   Exit: (270) [system] peek_char((0x56051b6b4f40), t)
^  Call: (270) [user] is_delimiter(t)
   Call: (271) [system] char_type(t, space)
   Call: (271) [system] arg(_1035258, v('(', ')', end_of_file), t)
   Call: (270) [system] ')'==t
   Call: (270) [system] get_char((0x56051b6b4f40), t)
   Exit: (270) [system] get_char((0x56051b6b4f40), t)
   Call: (270) [system] t=(\)
^  Call: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1039828)
   Call: (271) [system] peek_char((0x56051b6b4f40), _1040762)
   Exit: (271) [system] peek_char((0x56051b6b4f40), i)
^  Call: (271) [user] is_delimiter(i)
   Call: (272) [system] char_type(i, space)
   Call: (272) [system] arg(_1044554, v('(', ')', end_of_file), i)
   Call: (271) [system] ')'==i
   Call: (271) [system] get_char((0x56051b6b4f40), i)
   Exit: (271) [system] get_char((0x56051b6b4f40), i)
   Call: (271) [system] i=(\)
^  Call: (271) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1049124)
   Call: (272) [system] peek_char((0x56051b6b4f40), _1050058)
   Exit: (272) [system] peek_char((0x56051b6b4f40), o)
^  Call: (272) [user] is_delimiter(o)
   Call: (273) [system] char_type(o, space)
   Call: (273) [system] arg(_1053850, v('(', ')', end_of_file), o)
   Call: (272) [system] ')'==o
   Call: (272) [system] get_char((0x56051b6b4f40), o)
   Exit: (272) [system] get_char((0x56051b6b4f40), o)
   Call: (272) [system] o=(\)
^  Call: (272) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1058420)
   Call: (273) [system] peek_char((0x56051b6b4f40), _1059354)
   Exit: (273) [system] peek_char((0x56051b6b4f40), n)
^  Call: (273) [user] is_delimiter(n)
   Call: (274) [system] char_type(n, space)
   Call: (274) [system] arg(_1063146, v('(', ')', end_of_file), n)
   Call: (273) [system] ')'==n
   Call: (273) [system] get_char((0x56051b6b4f40), n)
   Exit: (273) [system] get_char((0x56051b6b4f40), n)
   Call: (273) [system] n=(\)
^  Call: (273) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1067716)
   Call: (274) [system] peek_char((0x56051b6b4f40), _1068650)
   Exit: (274) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (274) [user] is_delimiter(' ')
   Call: (275) [system] char_type(' ', space)
   Exit: (275) [system] char_type(' ', space)
^  Exit: (274) [user] is_delimiter(' ')
   Call: (274) [system] _1067716=[]
   Exit: (274) [system] []=[]
^  Exit: (273) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (273) [system] _1058420=[n]
   Exit: (273) [system] [n]=[n]
^  Exit: (272) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (272) [system] _1049124=[o, n]
   Exit: (272) [system] [o, n]=[o, n]
^  Exit: (271) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (271) [system] _1039828=[i, o, n]
   Exit: (271) [system] [i, o, n]=[i, o, n]
^  Exit: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (270) [system] _1030532=[t, i, o, n]
   Exit: (270) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (269) [system] _1021236=[c, t, i, o, n]
   Exit: (269) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (268) [system] _1011940=[u, c, t, i, o, n]
   Exit: (268) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (267) [system] _1002644=[d, u, c, t, i, o, n]
   Exit: (267) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (266) [system] _993348=[o, d, u, c, t, i, o, n]
   Exit: (266) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (265) [system] _984052=[r, o, d, u, c, t, i, o, n]
   Exit: (265) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (264) [system] _974756=[t, r, o, d, u, c, t, i, o, n]
   Exit: (264) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (263) [system] _965460=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (263) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (262) [system] _956164=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (262) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (261) [system] _946868=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (261) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (260) [system] _937572=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (260) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (259) [system] _928276=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _918980=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _909684=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _900388=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _891092=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _881796=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _872500=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _863204=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (251) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _842660)
^  Call: (253) [system] setup_call_cleanup('$notrace'(_1139428, _1139430), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _842660), _1139404, fail)), '$restore_trace'(_1139428, _1139430))
^  Call: (254) [system] sig_atomic(system:'$notrace'(_1139428, _1139430))
^  Exit: (253) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _842660), _1139404, fail)), system:'$restore_trace'(3, -1))
   Call: (252) [system] atomic(_842660)
   Call: (252) [system] atom_chars(_842660, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (252) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (251) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (250) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1147880)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1149738)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (251) [system] ' '=(;)
^  Call: (251) [user] is_like_space(' ')
   Call: (252) [system] char_type(' ', 'white')
   Exit: (252) [system] char_type(' ', 'white')
^  Exit: (251) [user] is_like_space(' ')
   Call: (251) [system] get_char((0x56051b6b4f40), _1156548)
   Exit: (251) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1159252)
   Exit: (252) [system] peek_char((0x56051b6b4f40), a)
   Call: (252) [system] a=(;)
^  Call: (252) [user] is_like_space(a)
   Call: (253) [system] char_type(a, 'white')
   Call: (253) [system] char_type(a, end_of_line)
   Call: (253) [system] char_type(a, space)
   Call: (253) [system] char_type(a, cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1168644)
   Exit: (250) [system] peek_char((0x56051b6b4f40), a)
   Call: (250) [system] a=')'
   Call: (250) [system] a=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _1172358)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1174216)
   Exit: (252) [system] peek_char((0x56051b6b4f40), a)
   Call: (252) [system] a=(;)
^  Call: (252) [user] is_like_space(a)
   Call: (253) [system] char_type(a, 'white')
   Call: (253) [system] char_type(a, end_of_line)
   Call: (253) [system] char_type(a, space)
   Call: (253) [system] char_type(a, cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _1182684)
   Exit: (251) [system] get_char((0x56051b6b4f40), a)
   Call: (251) [system] a='('
   Call: (251) [system] a='['
   Call: (251) [system] a='{'
   Call: (251) [system] a='"'
   Call: (251) [system] a=!
   Call: (251) [system] a='\''
   Call: (251) [system] a='`'
   Call: (251) [system] a=end_of_file
^  Call: (251) [user] read_symbolic(')', (0x56051b6b4f40), a, _1172358)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1192902)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1193836)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] is_delimiter(' ')
   Call: (254) [system] char_type(' ', space)
   Exit: (254) [system] char_type(' ', space)
^  Exit: (253) [user] is_delimiter(' ')
   Call: (253) [system] _1192902=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (252) [user] classify_and_convert_charseq(a, [], _1172358)
^  Call: (254) [system] setup_call_cleanup('$notrace'(_1203146, _1203148), once(user:catch(read_from_chars([a], _1172358), _1203122, fail)), '$restore_trace'(_1203146, _1203148))
^  Call: (255) [system] sig_atomic(system:'$notrace'(_1203146, _1203148))
^  Exit: (254) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1203122, fail)), system:'$restore_trace'(3, -1))
   Call: (253) [system] atomic(a)
   Exit: (253) [system] atomic(a)
^  Exit: (252) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (251) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _1210646)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1212504)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (252) [system] ' '=(;)
^  Call: (252) [user] is_like_space(' ')
   Call: (253) [system] char_type(' ', 'white')
   Exit: (253) [system] char_type(' ', 'white')
^  Exit: (252) [user] is_like_space(' ')
   Call: (252) [system] get_char((0x56051b6b4f40), _1219314)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1222018)
   Exit: (253) [system] peek_char((0x56051b6b4f40), a)
   Call: (253) [system] a=(;)
^  Call: (253) [user] is_like_space(a)
   Call: (254) [system] char_type(a, 'white')
   Call: (254) [system] char_type(a, end_of_line)
   Call: (254) [system] char_type(a, space)
   Call: (254) [system] char_type(a, cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1231410)
   Exit: (251) [system] peek_char((0x56051b6b4f40), a)
   Call: (251) [system] a=')'
   Call: (251) [system] a=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _1235124)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1236982)
   Exit: (253) [system] peek_char((0x56051b6b4f40), a)
   Call: (253) [system] a=(;)
^  Call: (253) [user] is_like_space(a)
   Call: (254) [system] char_type(a, 'white')
   Call: (254) [system] char_type(a, end_of_line)
   Call: (254) [system] char_type(a, space)
   Call: (254) [system] char_type(a, cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _1245450)
   Exit: (252) [system] get_char((0x56051b6b4f40), a)
   Call: (252) [system] a='('
   Call: (252) [system] a='['
   Call: (252) [system] a='{'
   Call: (252) [system] a='"'
   Call: (252) [system] a=!
   Call: (252) [system] a='\''
   Call: (252) [system] a='`'
   Call: (252) [system] a=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), a, _1235124)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1255668)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1256602)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (254) [user] is_delimiter(')')
   Call: (255) [system] char_type(')', space)
   Call: (255) [system] arg(_1260394, v('(', ')', end_of_file), ')')
   Exit: (255) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (254) [user] is_delimiter(')')
   Call: (254) [system] _1255668=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (253) [user] classify_and_convert_charseq(a, [], _1235124)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_1266856, _1266858), once(user:catch(read_from_chars([a], _1235124), _1266832, fail)), '$restore_trace'(_1266856, _1266858))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_1266856, _1266858))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _1266832, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(a)
   Exit: (254) [system] atomic(a)
^  Exit: (253) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _1274356)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1276214)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
   Call: (253) [system] ')'=(;)
^  Call: (253) [user] is_like_space(')')
   Call: (254) [system] char_type(')', 'white')
   Call: (254) [system] char_type(')', end_of_line)
   Call: (254) [system] char_type(')', space)
   Call: (254) [system] char_type(')', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1284682)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ')')
   Call: (252) [system] ')'=')'
   Exit: (252) [system] ')'=')'
   Call: (252) [system] get_char((0x56051b6b4f40), _1288472)
   Exit: (252) [system] get_char((0x56051b6b4f40), ')')
   Call: (252) [system] _1274356=[]
   Exit: (252) [system] []=[]
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (251) [system] _1210646=[a]
   Exit: (251) [system] [a]=[a]
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), [a])
   Call: (250) [system] _1147880=[a, a]
   Exit: (250) [system] [a, a]=[a, a]
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), [a, a])
   Call: (249) [system] _814582=['DisjunctionIntroduction', a, a]
   Exit: (249) [system] ['DisjunctionIntroduction', a, a]=['DisjunctionIntroduction', a, a]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, a])
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1302354)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1304212)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
   Call: (249) [system] ')'=(;)
^  Call: (249) [user] is_like_space(')')
   Call: (250) [system] char_type(')', 'white')
   Call: (250) [system] char_type(')', end_of_line)
   Call: (250) [system] char_type(')', space)
   Call: (250) [system] char_type(')', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1312680)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ')')
   Call: (248) [system] ')'=')'
   Exit: (248) [system] ')'=')'
   Call: (248) [system] get_char((0x56051b6b4f40), _1316470)
   Exit: (248) [system] get_char((0x56051b6b4f40), ')')
   Call: (248) [system] _1302354=[]
   Exit: (248) [system] []=[]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (247) [system] _790104=[['DisjunctionIntroduction', a, a]]
   Exit: (247) [system] [['DisjunctionIntroduction', a, a]]=[['DisjunctionIntroduction', a, a]]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, a]])
   Call: (246) [system] _727338=[a, ['DisjunctionIntroduction', a, a]]
   Exit: (246) [system] [a, ['DisjunctionIntroduction', a, a]]=[a, ['DisjunctionIntroduction', a, a]]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [a, ['DisjunctionIntroduction', a, a]])
   Call: (245) [system] _394040=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]]
   Exit: (245) [system] ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]]=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]])
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]])
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _1330352)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1332210)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _1339020)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1341724)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=(;)
^  Call: (246) [user] is_like_space('(')
   Call: (247) [system] char_type('(', 'white')
   Call: (247) [system] char_type('(', end_of_line)
   Call: (247) [system] char_type('(', space)
   Call: (247) [system] char_type('(', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1351116)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=')'
   Call: (244) [system] '('=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _1354830)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1356688)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=(;)
^  Call: (246) [user] is_like_space('(')
   Call: (247) [system] char_type('(', 'white')
   Call: (247) [system] char_type('(', end_of_line)
   Call: (247) [system] char_type('(', space)
   Call: (247) [system] char_type('(', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _1365156)
   Exit: (245) [system] get_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('='('
   Exit: (245) [system] '('='('
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _1354830)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1370726)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (247) [system] 'O'=(;)
^  Call: (247) [user] is_like_space('O')
   Call: (248) [system] char_type('O', 'white')
   Call: (248) [system] char_type('O', end_of_line)
   Call: (248) [system] char_type('O', space)
   Call: (248) [system] char_type('O', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1379194)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (246) [system] 'O'=')'
   Call: (246) [system] 'O'=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _1382908)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1384766)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (248) [system] 'O'=(;)
^  Call: (248) [user] is_like_space('O')
   Call: (249) [system] char_type('O', 'white')
   Call: (249) [system] char_type('O', end_of_line)
   Call: (249) [system] char_type('O', space)
   Call: (249) [system] char_type('O', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _1393234)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'O')
   Call: (247) [system] 'O'='('
   Call: (247) [system] 'O'='['
   Call: (247) [system] 'O'='{'
   Call: (247) [system] 'O'='"'
   Call: (247) [system] 'O'=!
   Call: (247) [system] 'O'='\''
   Call: (247) [system] 'O'='`'
   Call: (247) [system] 'O'=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1382908)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1403452)
   Call: (249) [system] peek_char((0x56051b6b4f40), _1404386)
   Exit: (249) [system] peek_char((0x56051b6b4f40), r)
^  Call: (249) [user] is_delimiter(r)
   Call: (250) [system] char_type(r, space)
   Call: (250) [system] arg(_1408178, v('(', ')', end_of_file), r)
   Call: (249) [system] ')'==r
   Call: (249) [system] get_char((0x56051b6b4f40), r)
   Exit: (249) [system] get_char((0x56051b6b4f40), r)
   Call: (249) [system] r=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1412748)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1413682)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (250) [user] is_delimiter('L')
   Call: (251) [system] char_type('L', space)
   Call: (251) [system] arg(_1417474, v('(', ')', end_of_file), 'L')
   Call: (250) [system] ')'=='L'
   Call: (250) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (250) [system] get_char((0x56051b6b4f40), 'L')
   Call: (250) [system] 'L'=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1422044)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1422978)
   Exit: (251) [system] peek_char((0x56051b6b4f40), i)
^  Call: (251) [user] is_delimiter(i)
   Call: (252) [system] char_type(i, space)
   Call: (252) [system] arg(_1426770, v('(', ')', end_of_file), i)
   Call: (251) [system] ')'==i
   Call: (251) [system] get_char((0x56051b6b4f40), i)
   Exit: (251) [system] get_char((0x56051b6b4f40), i)
   Call: (251) [system] i=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1431340)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1432274)
   Exit: (252) [system] peek_char((0x56051b6b4f40), n)
^  Call: (252) [user] is_delimiter(n)
   Call: (253) [system] char_type(n, space)
   Call: (253) [system] arg(_1436066, v('(', ')', end_of_file), n)
   Call: (252) [system] ')'==n
   Call: (252) [system] get_char((0x56051b6b4f40), n)
   Exit: (252) [system] get_char((0x56051b6b4f40), n)
   Call: (252) [system] n=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1440636)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1441570)
   Exit: (253) [system] peek_char((0x56051b6b4f40), k)
^  Call: (253) [user] is_delimiter(k)
   Call: (254) [system] char_type(k, space)
   Call: (254) [system] arg(_1445362, v('(', ')', end_of_file), k)
   Call: (253) [system] ')'==k
   Call: (253) [system] get_char((0x56051b6b4f40), k)
   Exit: (253) [system] get_char((0x56051b6b4f40), k)
   Call: (253) [system] k=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1449932)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1450866)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1449932=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (253) [system] _1440636=[k]
   Exit: (253) [system] [k]=[k]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (252) [system] _1431340=[n, k]
   Exit: (252) [system] [n, k]=[n, k]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (251) [system] _1422044=[i, n, k]
   Exit: (251) [system] [i, n, k]=[i, n, k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (250) [system] _1412748=['L', i, n, k]
   Exit: (250) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (249) [system] _1403452=[r, 'L', i, n, k]
   Exit: (249) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (248) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1382908)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_1474146, _1474148), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1382908), _1474122, fail)), '$restore_trace'(_1474146, _1474148))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_1474146, _1474148))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1382908), _1474122, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(_1382908)
   Call: (249) [system] atom_chars(_1382908, ['O', r, 'L', i, n, k])
   Exit: (249) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (248) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _1482598)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1484456)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (248) [system] ' '=(;)
^  Call: (248) [user] is_like_space(' ')
   Call: (249) [system] char_type(' ', 'white')
   Exit: (249) [system] char_type(' ', 'white')
^  Exit: (248) [user] is_like_space(' ')
   Call: (248) [system] get_char((0x56051b6b4f40), _1491266)
   Exit: (248) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1493970)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (249) [system] 'B'=(;)
^  Call: (249) [user] is_like_space('B')
   Call: (250) [system] char_type('B', 'white')
   Call: (250) [system] char_type('B', end_of_line)
   Call: (250) [system] char_type('B', space)
   Call: (250) [system] char_type('B', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _1503362)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (247) [system] 'B'=')'
   Call: (247) [system] 'B'=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _1507076)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1508934)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (249) [system] 'B'=(;)
^  Call: (249) [user] is_like_space('B')
   Call: (250) [system] char_type('B', 'white')
   Call: (250) [system] char_type('B', end_of_line)
   Call: (250) [system] char_type('B', space)
   Call: (250) [system] char_type('B', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _1517402)
   Exit: (248) [system] get_char((0x56051b6b4f40), 'B')
   Call: (248) [system] 'B'='('
   Call: (248) [system] 'B'='['
   Call: (248) [system] 'B'='{'
   Call: (248) [system] 'B'='"'
   Call: (248) [system] 'B'=!
   Call: (248) [system] 'B'='\''
   Call: (248) [system] 'B'='`'
   Call: (248) [system] 'B'=end_of_file
^  Call: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1507076)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1527620)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1528554)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _1527620=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (249) [user] classify_and_convert_charseq('B', [], _1507076)
^  Call: (251) [system] setup_call_cleanup('$notrace'(_1537864, _1537866), once(user:catch(read_from_chars(['B'], _1507076), _1537840, fail)), '$restore_trace'(_1537864, _1537866))
^  Call: (252) [system] sig_atomic(system:'$notrace'(_1537864, _1537866))
^  Exit: (251) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1507076), _1537840, fail)), system:'$restore_trace'(3, -1))
   Call: (250) [system] atomic(_1507076)
   Call: (250) [system] atom_chars(_1507076, ['B'])
   Exit: (250) [system] atom_chars('B', ['B'])
^  Exit: (249) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1546316)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1548174)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (249) [system] ' '=(;)
^  Call: (249) [user] is_like_space(' ')
   Call: (250) [system] char_type(' ', 'white')
   Exit: (250) [system] char_type(' ', 'white')
^  Exit: (249) [user] is_like_space(' ')
   Call: (249) [system] get_char((0x56051b6b4f40), _1554984)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1557688)
   Exit: (250) [system] peek_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('=(;)
^  Call: (250) [user] is_like_space('(')
   Call: (251) [system] char_type('(', 'white')
   Call: (251) [system] char_type('(', end_of_line)
   Call: (251) [system] char_type('(', space)
   Call: (251) [system] char_type('(', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1567080)
   Exit: (248) [system] peek_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('=')'
   Call: (248) [system] '('=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _1570794)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1572652)
   Exit: (250) [system] peek_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('=(;)
^  Call: (250) [user] is_like_space('(')
   Call: (251) [system] char_type('(', 'white')
   Call: (251) [system] char_type('(', end_of_line)
   Call: (251) [system] char_type('(', space)
   Call: (251) [system] char_type('(', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _1581120)
   Exit: (249) [system] get_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('='('
   Exit: (249) [system] '('='('
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _1570794)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1586690)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (251) [system] 'O'=(;)
^  Call: (251) [user] is_like_space('O')
   Call: (252) [system] char_type('O', 'white')
   Call: (252) [system] char_type('O', end_of_line)
   Call: (252) [system] char_type('O', space)
   Call: (252) [system] char_type('O', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1595158)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (250) [system] 'O'=')'
   Call: (250) [system] 'O'=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _1598872)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1600730)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (252) [system] 'O'=(;)
^  Call: (252) [user] is_like_space('O')
   Call: (253) [system] char_type('O', 'white')
   Call: (253) [system] char_type('O', end_of_line)
   Call: (253) [system] char_type('O', space)
   Call: (253) [system] char_type('O', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _1609198)
   Exit: (251) [system] get_char((0x56051b6b4f40), 'O')
   Call: (251) [system] 'O'='('
   Call: (251) [system] 'O'='['
   Call: (251) [system] 'O'='{'
   Call: (251) [system] 'O'='"'
   Call: (251) [system] 'O'=!
   Call: (251) [system] 'O'='\''
   Call: (251) [system] 'O'='`'
   Call: (251) [system] 'O'=end_of_file
^  Call: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1598872)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1619416)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1620350)
   Exit: (253) [system] peek_char((0x56051b6b4f40), r)
^  Call: (253) [user] is_delimiter(r)
   Call: (254) [system] char_type(r, space)
   Call: (254) [system] arg(_1624142, v('(', ')', end_of_file), r)
   Call: (253) [system] ')'==r
   Call: (253) [system] get_char((0x56051b6b4f40), r)
   Exit: (253) [system] get_char((0x56051b6b4f40), r)
   Call: (253) [system] r=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1628712)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1629646)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (254) [user] is_delimiter('L')
   Call: (255) [system] char_type('L', space)
   Call: (255) [system] arg(_1633438, v('(', ')', end_of_file), 'L')
   Call: (254) [system] ')'=='L'
   Call: (254) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (254) [system] get_char((0x56051b6b4f40), 'L')
   Call: (254) [system] 'L'=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1638008)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1638942)
   Exit: (255) [system] peek_char((0x56051b6b4f40), i)
^  Call: (255) [user] is_delimiter(i)
   Call: (256) [system] char_type(i, space)
   Call: (256) [system] arg(_1642734, v('(', ')', end_of_file), i)
   Call: (255) [system] ')'==i
   Call: (255) [system] get_char((0x56051b6b4f40), i)
   Exit: (255) [system] get_char((0x56051b6b4f40), i)
   Call: (255) [system] i=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1647304)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1648238)
   Exit: (256) [system] peek_char((0x56051b6b4f40), n)
^  Call: (256) [user] is_delimiter(n)
   Call: (257) [system] char_type(n, space)
   Call: (257) [system] arg(_1652030, v('(', ')', end_of_file), n)
   Call: (256) [system] ')'==n
   Call: (256) [system] get_char((0x56051b6b4f40), n)
   Exit: (256) [system] get_char((0x56051b6b4f40), n)
   Call: (256) [system] n=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1656600)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1657534)
   Exit: (257) [system] peek_char((0x56051b6b4f40), k)
^  Call: (257) [user] is_delimiter(k)
   Call: (258) [system] char_type(k, space)
   Call: (258) [system] arg(_1661326, v('(', ')', end_of_file), k)
   Call: (257) [system] ')'==k
   Call: (257) [system] get_char((0x56051b6b4f40), k)
   Exit: (257) [system] get_char((0x56051b6b4f40), k)
   Call: (257) [system] k=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1665896)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1666830)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (258) [user] is_delimiter(' ')
   Call: (259) [system] char_type(' ', space)
   Exit: (259) [system] char_type(' ', space)
^  Exit: (258) [user] is_delimiter(' ')
   Call: (258) [system] _1665896=[]
   Exit: (258) [system] []=[]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (257) [system] _1656600=[k]
   Exit: (257) [system] [k]=[k]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (256) [system] _1647304=[n, k]
   Exit: (256) [system] [n, k]=[n, k]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (255) [system] _1638008=[i, n, k]
   Exit: (255) [system] [i, n, k]=[i, n, k]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (254) [system] _1628712=['L', i, n, k]
   Exit: (254) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (253) [system] _1619416=[r, 'L', i, n, k]
   Exit: (253) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (252) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1598872)
^  Call: (254) [system] setup_call_cleanup('$notrace'(_1690110, _1690112), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1598872), _1690086, fail)), '$restore_trace'(_1690110, _1690112))
^  Call: (255) [system] sig_atomic(system:'$notrace'(_1690110, _1690112))
^  Exit: (254) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1598872), _1690086, fail)), system:'$restore_trace'(3, -1))
   Call: (253) [system] atomic(_1598872)
   Call: (253) [system] atom_chars(_1598872, ['O', r, 'L', i, n, k])
   Exit: (253) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (252) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _1698562)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1700420)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (252) [system] ' '=(;)
^  Call: (252) [user] is_like_space(' ')
   Call: (253) [system] char_type(' ', 'white')
   Exit: (253) [system] char_type(' ', 'white')
^  Exit: (252) [user] is_like_space(' ')
   Call: (252) [system] get_char((0x56051b6b4f40), _1707230)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1709934)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (253) [system] 'B'=(;)
^  Call: (253) [user] is_like_space('B')
   Call: (254) [system] char_type('B', 'white')
   Call: (254) [system] char_type('B', end_of_line)
   Call: (254) [system] char_type('B', space)
   Call: (254) [system] char_type('B', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1719326)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (251) [system] 'B'=')'
   Call: (251) [system] 'B'=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _1723040)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1724898)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (253) [system] 'B'=(;)
^  Call: (253) [user] is_like_space('B')
   Call: (254) [system] char_type('B', 'white')
   Call: (254) [system] char_type('B', end_of_line)
   Call: (254) [system] char_type('B', space)
   Call: (254) [system] char_type('B', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _1733366)
   Exit: (252) [system] get_char((0x56051b6b4f40), 'B')
   Call: (252) [system] 'B'='('
   Call: (252) [system] 'B'='['
   Call: (252) [system] 'B'='{'
   Call: (252) [system] 'B'='"'
   Call: (252) [system] 'B'=!
   Call: (252) [system] 'B'='\''
   Call: (252) [system] 'B'='`'
   Call: (252) [system] 'B'=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1723040)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1743584)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1744518)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] is_delimiter(' ')
   Call: (255) [system] char_type(' ', space)
   Exit: (255) [system] char_type(' ', space)
^  Exit: (254) [user] is_delimiter(' ')
   Call: (254) [system] _1743584=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (253) [user] classify_and_convert_charseq('B', [], _1723040)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_1753828, _1753830), once(user:catch(read_from_chars(['B'], _1723040), _1753804, fail)), '$restore_trace'(_1753828, _1753830))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_1753828, _1753830))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1723040), _1753804, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(_1723040)
   Call: (254) [system] atom_chars(_1723040, ['B'])
   Exit: (254) [system] atom_chars('B', ['B'])
^  Exit: (253) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _1762280)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1764138)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (253) [system] ' '=(;)
^  Call: (253) [user] is_like_space(' ')
   Call: (254) [system] char_type(' ', 'white')
   Exit: (254) [system] char_type(' ', 'white')
^  Exit: (253) [user] is_like_space(' ')
   Call: (253) [system] get_char((0x56051b6b4f40), _1770948)
   Exit: (253) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1773652)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (254) [system] 'A'=(;)
^  Call: (254) [user] is_like_space('A')
   Call: (255) [system] char_type('A', 'white')
   Call: (255) [system] char_type('A', end_of_line)
   Call: (255) [system] char_type('A', space)
   Call: (255) [system] char_type('A', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1783044)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (252) [system] 'A'=')'
   Call: (252) [system] 'A'=end_of_file
^  Call: (252) [user] cont_sexpr(')', (0x56051b6b4f40), _1786758)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1788616)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (254) [system] 'A'=(;)
^  Call: (254) [user] is_like_space('A')
   Call: (255) [system] char_type('A', 'white')
   Call: (255) [system] char_type('A', end_of_line)
   Call: (255) [system] char_type('A', space)
   Call: (255) [system] char_type('A', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] get_char((0x56051b6b4f40), _1797084)
   Exit: (253) [system] get_char((0x56051b6b4f40), 'A')
   Call: (253) [system] 'A'='('
   Call: (253) [system] 'A'='['
   Call: (253) [system] 'A'='{'
   Call: (253) [system] 'A'='"'
   Call: (253) [system] 'A'=!
   Call: (253) [system] 'A'='\''
   Call: (253) [system] 'A'='`'
   Call: (253) [system] 'A'=end_of_file
^  Call: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _1786758)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1807302)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1808236)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (255) [user] is_delimiter(')')
   Call: (256) [system] char_type(')', space)
   Call: (256) [system] arg(_1812028, v('(', ')', end_of_file), ')')
   Exit: (256) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (255) [user] is_delimiter(')')
   Call: (255) [system] _1807302=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (254) [user] classify_and_convert_charseq('A', [], _1786758)
^  Call: (256) [system] setup_call_cleanup('$notrace'(_1818490, _1818492), once(user:catch(read_from_chars(['A'], _1786758), _1818466, fail)), '$restore_trace'(_1818490, _1818492))
^  Call: (257) [system] sig_atomic(system:'$notrace'(_1818490, _1818492))
^  Exit: (256) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _1786758), _1818466, fail)), system:'$restore_trace'(3, -1))
   Call: (255) [system] atomic(_1786758)
   Call: (255) [system] atom_chars(_1786758, ['A'])
   Exit: (255) [system] atom_chars('A', ['A'])
^  Exit: (254) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (253) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (252) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (252) [user] read_list(')', (0x56051b6b4f40), _1826942)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1828800)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
   Call: (254) [system] ')'=(;)
^  Call: (254) [user] is_like_space(')')
   Call: (255) [system] char_type(')', 'white')
   Call: (255) [system] char_type(')', end_of_line)
   Call: (255) [system] char_type(')', space)
   Call: (255) [system] char_type(')', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1837268)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
   Call: (253) [system] ')'=')'
   Exit: (253) [system] ')'=')'
   Call: (253) [system] get_char((0x56051b6b4f40), _1841058)
   Exit: (253) [system] get_char((0x56051b6b4f40), ')')
   Call: (253) [system] _1826942=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (252) [system] _1762280=['A']
   Exit: (252) [system] ['A']=['A']
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), ['A'])
   Call: (251) [system] _1698562=['B', 'A']
   Exit: (251) [system] ['B', 'A']=['B', 'A']
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), ['B', 'A'])
   Call: (250) [system] _1570794=['OrLink', 'B', 'A']
   Exit: (250) [system] ['OrLink', 'B', 'A']=['OrLink', 'B', 'A']
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', 'A'])
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', 'A'])
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1854940)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1856798)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
   Call: (250) [system] ')'=(;)
^  Call: (250) [user] is_like_space(')')
   Call: (251) [system] char_type(')', 'white')
   Call: (251) [system] char_type(')', end_of_line)
   Call: (251) [system] char_type(')', space)
   Call: (251) [system] char_type(')', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1865266)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
   Call: (249) [system] ')'=')'
   Exit: (249) [system] ')'=')'
   Call: (249) [system] get_char((0x56051b6b4f40), _1869056)
   Exit: (249) [system] get_char((0x56051b6b4f40), ')')
   Call: (249) [system] _1854940=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (248) [system] _1546316=[['OrLink', 'B', 'A']]
   Exit: (248) [system] [['OrLink', 'B', 'A']]=[['OrLink', 'B', 'A']]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', 'A']])
   Call: (247) [system] _1482598=['B', ['OrLink', 'B', 'A']]
   Exit: (247) [system] ['B', ['OrLink', 'B', 'A']]=['B', ['OrLink', 'B', 'A']]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), ['B', ['OrLink', 'B', 'A']])
   Call: (246) [system] _1354830=['OrLink', 'B', ['OrLink', 'B', 'A']]
   Exit: (246) [system] ['OrLink', 'B', ['OrLink', 'B', 'A']]=['OrLink', 'B', ['OrLink', 'B', 'A']]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', 'B', 'A']])
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', 'B', 'A']])
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _1882938)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _1884796)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=(;)
^  Call: (246) [user] is_like_space(')')
   Call: (247) [system] char_type(')', 'white')
   Call: (247) [system] char_type(')', end_of_line)
   Call: (247) [system] char_type(')', space)
   Call: (247) [system] char_type(')', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1893264)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ')')
   Call: (245) [system] ')'=')'
   Exit: (245) [system] ')'=')'
   Call: (245) [system] get_char((0x56051b6b4f40), _1897054)
   Exit: (245) [system] get_char((0x56051b6b4f40), ')')
   Call: (245) [system] _1882938=[]
   Exit: (245) [system] []=[]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (244) [system] _1330352=[['OrLink', 'B', ['OrLink', 'B', 'A']]]
   Exit: (244) [system] [['OrLink', 'B', ['OrLink', 'B', 'A']]]=[['OrLink', 'B', ['OrLink', 'B', 'A']]]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['OrLink', 'B', 'A']]])
   Call: (243) [system] _369562=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'A']]]
   Exit: (243) [system] [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'A']]]=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'A']]]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'A']]])
   Call: (242) [system] _303196=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'A']]]
   Exit: (242) [system] [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'A']]]=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'A']]]
^  Exit: (241) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'A']]])
^  Exit: (240) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', a, a]], ['OrLink', 'B', ['OrLink', 'B', 'A']]])
^  Call: (240) [user] read_list(')', (0x56051b6b4f40), _1910936)
^  Call: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] peek_char((0x56051b6b4f40), _1912794)
   Exit: (242) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (242) [system] '\n'=(;)
^  Call: (242) [user] is_like_space('\n')
   Call: (243) [system] char_type('\n', 'white')
   Call: (243) [system] char_type('\n', end_of_line)
   Exit: (243) [system] char_type('\n', end_of_line)
^  Exit: (242) [user] is_like_space('\n')
   Call: (242) [system] get_char((0x56051b6b4f40), _1920410)
   Exit: (242) [system] get_char((0x56051b6b4f40), '\n')
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1923114)
   Exit: (243) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (243) [system] ' '=(;)
^  Call: (243) [user] is_like_space(' ')
   Call: (244) [system] char_type(' ', 'white')
   Exit: (244) [system] char_type(' ', 'white')
^  Exit: (243) [user] is_like_space(' ')
   Call: (243) [system] get_char((0x56051b6b4f40), _1929924)
   Exit: (243) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1932628)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=(;)
^  Call: (244) [user] is_like_space('(')
   Call: (245) [system] char_type('(', 'white')
   Call: (245) [system] char_type('(', end_of_line)
   Call: (245) [system] char_type('(', space)
   Call: (245) [system] char_type('(', cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (241) [user] skip_spaces((0x56051b6b4f40))
   Call: (241) [system] peek_char((0x56051b6b4f40), _1942944)
   Exit: (241) [system] peek_char((0x56051b6b4f40), '(')
   Call: (241) [system] '('=')'
   Call: (241) [system] '('=end_of_file
^  Call: (241) [user] cont_sexpr(')', (0x56051b6b4f40), _1946658)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1948516)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '(')
   Call: (243) [system] '('=(;)
^  Call: (243) [user] is_like_space('(')
   Call: (244) [system] char_type('(', 'white')
   Call: (244) [system] char_type('(', end_of_line)
   Call: (244) [system] char_type('(', space)
   Call: (244) [system] char_type('(', cntrl)
^  Exit: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (242) [system] get_char((0x56051b6b4f40), _1956984)
   Exit: (242) [system] get_char((0x56051b6b4f40), '(')
   Call: (242) [system] '('='('
   Exit: (242) [system] '('='('
^  Call: (242) [user] read_list(')', (0x56051b6b4f40), _1946658)
^  Call: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _1962554)
   Exit: (244) [system] peek_char((0x56051b6b4f40), :)
   Call: (244) [system] (:)=(;)
^  Call: (244) [user] is_like_space(:)
   Call: (245) [system] char_type(:, 'white')
   Call: (245) [system] char_type(:, end_of_line)
   Call: (245) [system] char_type(:, space)
   Call: (245) [system] char_type(:, cntrl)
^  Exit: (243) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _1971022)
   Exit: (243) [system] peek_char((0x56051b6b4f40), :)
   Call: (243) [system] (:)=')'
   Call: (243) [system] (:)=end_of_file
^  Call: (243) [user] cont_sexpr(')', (0x56051b6b4f40), _1974736)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _1976594)
   Exit: (245) [system] peek_char((0x56051b6b4f40), :)
   Call: (245) [system] (:)=(;)
^  Call: (245) [user] is_like_space(:)
   Call: (246) [system] char_type(:, 'white')
   Call: (246) [system] char_type(:, end_of_line)
   Call: (246) [system] char_type(:, space)
   Call: (246) [system] char_type(:, cntrl)
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] get_char((0x56051b6b4f40), _1985062)
   Exit: (244) [system] get_char((0x56051b6b4f40), :)
   Call: (244) [system] (:)='('
   Call: (244) [system] (:)='['
   Call: (244) [system] (:)='{'
   Call: (244) [system] (:)='"'
   Call: (244) [system] (:)=!
   Call: (244) [system] (:)='\''
   Call: (244) [system] (:)='`'
   Call: (244) [system] (:)=end_of_file
^  Call: (244) [user] read_symbolic(')', (0x56051b6b4f40), :, _1974736)
^  Call: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1995280)
   Call: (246) [system] peek_char((0x56051b6b4f40), _1996214)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] is_delimiter(' ')
   Call: (247) [system] char_type(' ', space)
   Exit: (247) [system] char_type(' ', space)
^  Exit: (246) [user] is_delimiter(' ')
   Call: (246) [system] _1995280=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (245) [user] classify_and_convert_charseq(:, [], _1974736)
^  Call: (247) [system] setup_call_cleanup('$notrace'(_2005524, _2005526), once(user:catch(read_from_chars([:], _1974736), _2005500, fail)), '$restore_trace'(_2005524, _2005526))
^  Call: (248) [system] sig_atomic(system:'$notrace'(_2005524, _2005526))
^  Exit: (247) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([:], :), _2005500, fail)), system:'$restore_trace'(3, -1))
   Call: (246) [system] atomic(:)
   Exit: (246) [system] atomic(:)
^  Exit: (245) [user] classify_and_convert_charseq(:, [], :)
^  Exit: (244) [user] read_symbolic(')', (0x56051b6b4f40), :, :)
^  Exit: (243) [user] cont_sexpr(')', (0x56051b6b4f40), :)
^  Call: (243) [user] read_list(')', (0x56051b6b4f40), _2013024)
^  Call: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _2014882)
   Exit: (245) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (245) [system] ' '=(;)
^  Call: (245) [user] is_like_space(' ')
   Call: (246) [system] char_type(' ', 'white')
   Exit: (246) [system] char_type(' ', 'white')
^  Exit: (245) [user] is_like_space(' ')
   Call: (245) [system] get_char((0x56051b6b4f40), _2021692)
   Exit: (245) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _2024396)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=(;)
^  Call: (246) [user] is_like_space('(')
   Call: (247) [system] char_type('(', 'white')
   Call: (247) [system] char_type('(', end_of_line)
   Call: (247) [system] char_type('(', space)
   Call: (247) [system] char_type('(', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (244) [user] skip_spaces((0x56051b6b4f40))
   Call: (244) [system] peek_char((0x56051b6b4f40), _2033788)
   Exit: (244) [system] peek_char((0x56051b6b4f40), '(')
   Call: (244) [system] '('=')'
   Call: (244) [system] '('=end_of_file
^  Call: (244) [user] cont_sexpr(')', (0x56051b6b4f40), _2037502)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _2039360)
   Exit: (246) [system] peek_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('=(;)
^  Call: (246) [user] is_like_space('(')
   Call: (247) [system] char_type('(', 'white')
   Call: (247) [system] char_type('(', end_of_line)
   Call: (247) [system] char_type('(', space)
   Call: (247) [system] char_type('(', cntrl)
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] get_char((0x56051b6b4f40), _2047828)
   Exit: (245) [system] get_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('='('
   Exit: (245) [system] '('='('
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _2037502)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _2053398)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (247) [system] 'D'=(;)
^  Call: (247) [user] is_like_space('D')
   Call: (248) [system] char_type('D', 'white')
   Call: (248) [system] char_type('D', end_of_line)
   Call: (248) [system] char_type('D', space)
   Call: (248) [system] char_type('D', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _2061866)
   Exit: (246) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (246) [system] 'D'=')'
   Call: (246) [system] 'D'=end_of_file
^  Call: (246) [user] cont_sexpr(')', (0x56051b6b4f40), _2065580)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _2067438)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (248) [system] 'D'=(;)
^  Call: (248) [user] is_like_space('D')
   Call: (249) [system] char_type('D', 'white')
   Call: (249) [system] char_type('D', end_of_line)
   Call: (249) [system] char_type('D', space)
   Call: (249) [system] char_type('D', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] get_char((0x56051b6b4f40), _2075906)
   Exit: (247) [system] get_char((0x56051b6b4f40), 'D')
   Call: (247) [system] 'D'='('
   Call: (247) [system] 'D'='['
   Call: (247) [system] 'D'='{'
   Call: (247) [system] 'D'='"'
   Call: (247) [system] 'D'=!
   Call: (247) [system] 'D'='\''
   Call: (247) [system] 'D'='`'
   Call: (247) [system] 'D'=end_of_file
^  Call: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _2065580)
^  Call: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2086124)
   Call: (249) [system] peek_char((0x56051b6b4f40), _2087058)
   Exit: (249) [system] peek_char((0x56051b6b4f40), i)
^  Call: (249) [user] is_delimiter(i)
   Call: (250) [system] char_type(i, space)
   Call: (250) [system] arg(_2090850, v('(', ')', end_of_file), i)
   Call: (249) [system] ')'==i
   Call: (249) [system] get_char((0x56051b6b4f40), i)
   Exit: (249) [system] get_char((0x56051b6b4f40), i)
   Call: (249) [system] i=(\)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2095420)
   Call: (250) [system] peek_char((0x56051b6b4f40), _10862)
   Exit: (250) [system] peek_char((0x56051b6b4f40), s)
^  Call: (250) [user] is_delimiter(s)
   Call: (251) [system] char_type(s, space)
   Call: (251) [system] arg(_14252, v('(', ')', end_of_file), s)
   Call: (250) [system] ')'==s
   Call: (250) [system] get_char((0x56051b6b4f40), s)
   Exit: (250) [system] get_char((0x56051b6b4f40), s)
   Call: (250) [system] s=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _18822)
   Call: (251) [system] peek_char((0x56051b6b4f40), _19756)
   Exit: (251) [system] peek_char((0x56051b6b4f40), j)
^  Call: (251) [user] is_delimiter(j)
   Call: (252) [system] char_type(j, space)
   Call: (252) [system] arg(_23548, v('(', ')', end_of_file), j)
   Call: (251) [system] ')'==j
   Call: (251) [system] get_char((0x56051b6b4f40), j)
   Exit: (251) [system] get_char((0x56051b6b4f40), j)
   Call: (251) [system] j=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _28118)
   Call: (252) [system] peek_char((0x56051b6b4f40), _29052)
   Exit: (252) [system] peek_char((0x56051b6b4f40), u)
^  Call: (252) [user] is_delimiter(u)
   Call: (253) [system] char_type(u, space)
   Call: (253) [system] arg(_32844, v('(', ')', end_of_file), u)
   Call: (252) [system] ')'==u
   Call: (252) [system] get_char((0x56051b6b4f40), u)
   Exit: (252) [system] get_char((0x56051b6b4f40), u)
   Call: (252) [system] u=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _37414)
   Call: (253) [system] peek_char((0x56051b6b4f40), _38348)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_42140, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _46710)
   Call: (254) [system] peek_char((0x56051b6b4f40), _47644)
   Exit: (254) [system] peek_char((0x56051b6b4f40), c)
^  Call: (254) [user] is_delimiter(c)
   Call: (255) [system] char_type(c, space)
   Call: (255) [system] arg(_51436, v('(', ')', end_of_file), c)
   Call: (254) [system] ')'==c
   Call: (254) [system] get_char((0x56051b6b4f40), c)
   Exit: (254) [system] get_char((0x56051b6b4f40), c)
   Call: (254) [system] c=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _56006)
   Call: (255) [system] peek_char((0x56051b6b4f40), _56940)
   Exit: (255) [system] peek_char((0x56051b6b4f40), t)
^  Call: (255) [user] is_delimiter(t)
   Call: (256) [system] char_type(t, space)
   Call: (256) [system] arg(_60732, v('(', ')', end_of_file), t)
   Call: (255) [system] ')'==t
   Call: (255) [system] get_char((0x56051b6b4f40), t)
   Exit: (255) [system] get_char((0x56051b6b4f40), t)
   Call: (255) [system] t=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _65302)
   Call: (256) [system] peek_char((0x56051b6b4f40), _66236)
   Exit: (256) [system] peek_char((0x56051b6b4f40), i)
^  Call: (256) [user] is_delimiter(i)
   Call: (257) [system] char_type(i, space)
   Call: (257) [system] arg(_70028, v('(', ')', end_of_file), i)
   Call: (256) [system] ')'==i
   Call: (256) [system] get_char((0x56051b6b4f40), i)
   Exit: (256) [system] get_char((0x56051b6b4f40), i)
   Call: (256) [system] i=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _74598)
   Call: (257) [system] peek_char((0x56051b6b4f40), _75532)
   Exit: (257) [system] peek_char((0x56051b6b4f40), o)
^  Call: (257) [user] is_delimiter(o)
   Call: (258) [system] char_type(o, space)
   Call: (258) [system] arg(_79324, v('(', ')', end_of_file), o)
   Call: (257) [system] ')'==o
   Call: (257) [system] get_char((0x56051b6b4f40), o)
   Exit: (257) [system] get_char((0x56051b6b4f40), o)
   Call: (257) [system] o=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _83894)
   Call: (258) [system] peek_char((0x56051b6b4f40), _84828)
   Exit: (258) [system] peek_char((0x56051b6b4f40), n)
^  Call: (258) [user] is_delimiter(n)
   Call: (259) [system] char_type(n, space)
   Call: (259) [system] arg(_88620, v('(', ')', end_of_file), n)
   Call: (258) [system] ')'==n
   Call: (258) [system] get_char((0x56051b6b4f40), n)
   Exit: (258) [system] get_char((0x56051b6b4f40), n)
   Call: (258) [system] n=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _93190)
   Call: (259) [system] peek_char((0x56051b6b4f40), _94124)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (259) [user] is_delimiter('I')
   Call: (260) [system] char_type('I', space)
   Call: (260) [system] arg(_97916, v('(', ')', end_of_file), 'I')
   Call: (259) [system] ')'=='I'
   Call: (259) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (259) [system] get_char((0x56051b6b4f40), 'I')
   Call: (259) [system] 'I'=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _102486)
   Call: (260) [system] peek_char((0x56051b6b4f40), _103420)
   Exit: (260) [system] peek_char((0x56051b6b4f40), n)
^  Call: (260) [user] is_delimiter(n)
   Call: (261) [system] char_type(n, space)
   Call: (261) [system] arg(_107212, v('(', ')', end_of_file), n)
   Call: (260) [system] ')'==n
   Call: (260) [system] get_char((0x56051b6b4f40), n)
   Exit: (260) [system] get_char((0x56051b6b4f40), n)
   Call: (260) [system] n=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _111782)
   Call: (261) [system] peek_char((0x56051b6b4f40), _112716)
   Exit: (261) [system] peek_char((0x56051b6b4f40), t)
^  Call: (261) [user] is_delimiter(t)
   Call: (262) [system] char_type(t, space)
   Call: (262) [system] arg(_116508, v('(', ')', end_of_file), t)
   Call: (261) [system] ')'==t
   Call: (261) [system] get_char((0x56051b6b4f40), t)
   Exit: (261) [system] get_char((0x56051b6b4f40), t)
   Call: (261) [system] t=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _121078)
   Call: (262) [system] peek_char((0x56051b6b4f40), _122012)
   Exit: (262) [system] peek_char((0x56051b6b4f40), r)
^  Call: (262) [user] is_delimiter(r)
   Call: (263) [system] char_type(r, space)
   Call: (263) [system] arg(_125804, v('(', ')', end_of_file), r)
   Call: (262) [system] ')'==r
   Call: (262) [system] get_char((0x56051b6b4f40), r)
   Exit: (262) [system] get_char((0x56051b6b4f40), r)
   Call: (262) [system] r=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _130374)
   Call: (263) [system] peek_char((0x56051b6b4f40), _131308)
   Exit: (263) [system] peek_char((0x56051b6b4f40), o)
^  Call: (263) [user] is_delimiter(o)
   Call: (264) [system] char_type(o, space)
   Call: (264) [system] arg(_135100, v('(', ')', end_of_file), o)
   Call: (263) [system] ')'==o
   Call: (263) [system] get_char((0x56051b6b4f40), o)
   Exit: (263) [system] get_char((0x56051b6b4f40), o)
   Call: (263) [system] o=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _139670)
   Call: (264) [system] peek_char((0x56051b6b4f40), _140604)
   Exit: (264) [system] peek_char((0x56051b6b4f40), d)
^  Call: (264) [user] is_delimiter(d)
   Call: (265) [system] char_type(d, space)
   Call: (265) [system] arg(_144396, v('(', ')', end_of_file), d)
   Call: (264) [system] ')'==d
   Call: (264) [system] get_char((0x56051b6b4f40), d)
   Exit: (264) [system] get_char((0x56051b6b4f40), d)
   Call: (264) [system] d=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _148966)
   Call: (265) [system] peek_char((0x56051b6b4f40), _149900)
   Exit: (265) [system] peek_char((0x56051b6b4f40), u)
^  Call: (265) [user] is_delimiter(u)
   Call: (266) [system] char_type(u, space)
   Call: (266) [system] arg(_153692, v('(', ')', end_of_file), u)
   Call: (265) [system] ')'==u
   Call: (265) [system] get_char((0x56051b6b4f40), u)
   Exit: (265) [system] get_char((0x56051b6b4f40), u)
   Call: (265) [system] u=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _158262)
   Call: (266) [system] peek_char((0x56051b6b4f40), _159196)
   Exit: (266) [system] peek_char((0x56051b6b4f40), c)
^  Call: (266) [user] is_delimiter(c)
   Call: (267) [system] char_type(c, space)
   Call: (267) [system] arg(_162988, v('(', ')', end_of_file), c)
   Call: (266) [system] ')'==c
   Call: (266) [system] get_char((0x56051b6b4f40), c)
   Exit: (266) [system] get_char((0x56051b6b4f40), c)
   Call: (266) [system] c=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _167558)
   Call: (267) [system] peek_char((0x56051b6b4f40), _168492)
   Exit: (267) [system] peek_char((0x56051b6b4f40), t)
^  Call: (267) [user] is_delimiter(t)
   Call: (268) [system] char_type(t, space)
   Call: (268) [system] arg(_172284, v('(', ')', end_of_file), t)
   Call: (267) [system] ')'==t
   Call: (267) [system] get_char((0x56051b6b4f40), t)
   Exit: (267) [system] get_char((0x56051b6b4f40), t)
   Call: (267) [system] t=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _176854)
   Call: (268) [system] peek_char((0x56051b6b4f40), _177788)
   Exit: (268) [system] peek_char((0x56051b6b4f40), i)
^  Call: (268) [user] is_delimiter(i)
   Call: (269) [system] char_type(i, space)
   Call: (269) [system] arg(_181580, v('(', ')', end_of_file), i)
   Call: (268) [system] ')'==i
   Call: (268) [system] get_char((0x56051b6b4f40), i)
   Exit: (268) [system] get_char((0x56051b6b4f40), i)
   Call: (268) [system] i=(\)
^  Call: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), _186150)
   Call: (269) [system] peek_char((0x56051b6b4f40), _187084)
   Exit: (269) [system] peek_char((0x56051b6b4f40), o)
^  Call: (269) [user] is_delimiter(o)
   Call: (270) [system] char_type(o, space)
   Call: (270) [system] arg(_190876, v('(', ')', end_of_file), o)
   Call: (269) [system] ')'==o
   Call: (269) [system] get_char((0x56051b6b4f40), o)
   Exit: (269) [system] get_char((0x56051b6b4f40), o)
   Call: (269) [system] o=(\)
^  Call: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), _195446)
   Call: (270) [system] peek_char((0x56051b6b4f40), _196380)
   Exit: (270) [system] peek_char((0x56051b6b4f40), n)
^  Call: (270) [user] is_delimiter(n)
   Call: (271) [system] char_type(n, space)
   Call: (271) [system] arg(_200172, v('(', ')', end_of_file), n)
   Call: (270) [system] ')'==n
   Call: (270) [system] get_char((0x56051b6b4f40), n)
   Exit: (270) [system] get_char((0x56051b6b4f40), n)
   Call: (270) [system] n=(\)
^  Call: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), _204742)
   Call: (271) [system] peek_char((0x56051b6b4f40), _205676)
   Exit: (271) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (271) [user] is_delimiter(' ')
   Call: (272) [system] char_type(' ', space)
   Exit: (272) [system] char_type(' ', space)
^  Exit: (271) [user] is_delimiter(' ')
   Call: (271) [system] _204742=[]
   Exit: (271) [system] []=[]
^  Exit: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (270) [system] _195446=[n]
   Exit: (270) [system] [n]=[n]
^  Exit: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (269) [system] _186150=[o, n]
   Exit: (269) [system] [o, n]=[o, n]
^  Exit: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (268) [system] _176854=[i, o, n]
   Exit: (268) [system] [i, o, n]=[i, o, n]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (267) [system] _167558=[t, i, o, n]
   Exit: (267) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (266) [system] _158262=[c, t, i, o, n]
   Exit: (266) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (265) [system] _148966=[u, c, t, i, o, n]
   Exit: (265) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (264) [system] _139670=[d, u, c, t, i, o, n]
   Exit: (264) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (263) [system] _130374=[o, d, u, c, t, i, o, n]
   Exit: (263) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (262) [system] _121078=[r, o, d, u, c, t, i, o, n]
   Exit: (262) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (261) [system] _111782=[t, r, o, d, u, c, t, i, o, n]
   Exit: (261) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (260) [system] _102486=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (260) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (259) [system] _93190=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _83894=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _74598=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _65302=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _56006=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _46710=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _37414=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (252) [system] _28118=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (252) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (251) [system] _18822=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (251) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (250) [system] _10858=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (250) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (249) [system] _10854=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (249) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (248) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (248) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _10850)
^  Call: (250) [system] setup_call_cleanup('$notrace'(_276454, _276456), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _10850), _276430, fail)), '$restore_trace'(_276454, _276456))
^  Call: (251) [system] sig_atomic(system:'$notrace'(_276454, _276456))
^  Exit: (250) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _10850), _276430, fail)), system:'$restore_trace'(3, -1))
   Call: (249) [system] atomic(_10850)
   Call: (249) [system] atom_chars(_10850, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (249) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (248) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (247) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (246) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _284906)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _286764)
   Exit: (248) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (248) [system] ' '=(;)
^  Call: (248) [user] is_like_space(' ')
   Call: (249) [system] char_type(' ', 'white')
   Exit: (249) [system] char_type(' ', 'white')
^  Exit: (248) [user] is_like_space(' ')
   Call: (248) [system] get_char((0x56051b6b4f40), _293574)
   Exit: (248) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _296278)
   Exit: (249) [system] peek_char((0x56051b6b4f40), a)
   Call: (249) [system] a=(;)
^  Call: (249) [user] is_like_space(a)
   Call: (250) [system] char_type(a, 'white')
   Call: (250) [system] char_type(a, end_of_line)
   Call: (250) [system] char_type(a, space)
   Call: (250) [system] char_type(a, cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _305670)
   Exit: (247) [system] peek_char((0x56051b6b4f40), a)
   Call: (247) [system] a=')'
   Call: (247) [system] a=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _309384)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _311242)
   Exit: (249) [system] peek_char((0x56051b6b4f40), a)
   Call: (249) [system] a=(;)
^  Call: (249) [user] is_like_space(a)
   Call: (250) [system] char_type(a, 'white')
   Call: (250) [system] char_type(a, end_of_line)
   Call: (250) [system] char_type(a, space)
   Call: (250) [system] char_type(a, cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _319710)
   Exit: (248) [system] get_char((0x56051b6b4f40), a)
   Call: (248) [system] a='('
   Call: (248) [system] a='['
   Call: (248) [system] a='{'
   Call: (248) [system] a='"'
   Call: (248) [system] a=!
   Call: (248) [system] a='\''
   Call: (248) [system] a='`'
   Call: (248) [system] a=end_of_file
^  Call: (248) [user] read_symbolic(')', (0x56051b6b4f40), a, _309384)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _329928)
   Call: (250) [system] peek_char((0x56051b6b4f40), _330862)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] is_delimiter(' ')
   Call: (251) [system] char_type(' ', space)
   Exit: (251) [system] char_type(' ', space)
^  Exit: (250) [user] is_delimiter(' ')
   Call: (250) [system] _329928=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (249) [user] classify_and_convert_charseq(a, [], _309384)
^  Call: (251) [system] setup_call_cleanup('$notrace'(_340172, _340174), once(user:catch(read_from_chars([a], _309384), _340148, fail)), '$restore_trace'(_340172, _340174))
^  Call: (252) [system] sig_atomic(system:'$notrace'(_340172, _340174))
^  Exit: (251) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a], a), _340148, fail)), system:'$restore_trace'(3, -1))
   Call: (250) [system] atomic(a)
   Exit: (250) [system] atomic(a)
^  Exit: (249) [user] classify_and_convert_charseq(a, [], a)
^  Exit: (248) [user] read_symbolic(')', (0x56051b6b4f40), a, a)
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), a)
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _347672)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _349530)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (249) [system] ' '=(;)
^  Call: (249) [user] is_like_space(' ')
   Call: (250) [system] char_type(' ', 'white')
   Exit: (250) [system] char_type(' ', 'white')
^  Exit: (249) [user] is_like_space(' ')
   Call: (249) [system] get_char((0x56051b6b4f40), _356340)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _359044)
   Exit: (250) [system] peek_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('=(;)
^  Call: (250) [user] is_like_space('(')
   Call: (251) [system] char_type('(', 'white')
   Call: (251) [system] char_type('(', end_of_line)
   Call: (251) [system] char_type('(', space)
   Call: (251) [system] char_type('(', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _368436)
   Exit: (248) [system] peek_char((0x56051b6b4f40), '(')
   Call: (248) [system] '('=')'
   Call: (248) [system] '('=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _372150)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _374008)
   Exit: (250) [system] peek_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('=(;)
^  Call: (250) [user] is_like_space('(')
   Call: (251) [system] char_type('(', 'white')
   Call: (251) [system] char_type('(', end_of_line)
   Call: (251) [system] char_type('(', space)
   Call: (251) [system] char_type('(', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _382476)
   Exit: (249) [system] get_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('='('
   Exit: (249) [system] '('='('
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _372150)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _388046)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (251) [system] 'D'=(;)
^  Call: (251) [user] is_like_space('D')
   Call: (252) [system] char_type('D', 'white')
   Call: (252) [system] char_type('D', end_of_line)
   Call: (252) [system] char_type('D', space)
   Call: (252) [system] char_type('D', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _396514)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (250) [system] 'D'=')'
   Call: (250) [system] 'D'=end_of_file
^  Call: (250) [user] cont_sexpr(')', (0x56051b6b4f40), _400228)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _402086)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (252) [system] 'D'=(;)
^  Call: (252) [user] is_like_space('D')
   Call: (253) [system] char_type('D', 'white')
   Call: (253) [system] char_type('D', end_of_line)
   Call: (253) [system] char_type('D', space)
   Call: (253) [system] char_type('D', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] get_char((0x56051b6b4f40), _410554)
   Exit: (251) [system] get_char((0x56051b6b4f40), 'D')
   Call: (251) [system] 'D'='('
   Call: (251) [system] 'D'='['
   Call: (251) [system] 'D'='{'
   Call: (251) [system] 'D'='"'
   Call: (251) [system] 'D'=!
   Call: (251) [system] 'D'='\''
   Call: (251) [system] 'D'='`'
   Call: (251) [system] 'D'=end_of_file
^  Call: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _400228)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _420772)
   Call: (253) [system] peek_char((0x56051b6b4f40), _421706)
   Exit: (253) [system] peek_char((0x56051b6b4f40), i)
^  Call: (253) [user] is_delimiter(i)
   Call: (254) [system] char_type(i, space)
   Call: (254) [system] arg(_425498, v('(', ')', end_of_file), i)
   Call: (253) [system] ')'==i
   Call: (253) [system] get_char((0x56051b6b4f40), i)
   Exit: (253) [system] get_char((0x56051b6b4f40), i)
   Call: (253) [system] i=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _430068)
   Call: (254) [system] peek_char((0x56051b6b4f40), _431002)
   Exit: (254) [system] peek_char((0x56051b6b4f40), s)
^  Call: (254) [user] is_delimiter(s)
   Call: (255) [system] char_type(s, space)
   Call: (255) [system] arg(_434794, v('(', ')', end_of_file), s)
   Call: (254) [system] ')'==s
   Call: (254) [system] get_char((0x56051b6b4f40), s)
   Exit: (254) [system] get_char((0x56051b6b4f40), s)
   Call: (254) [system] s=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _439364)
   Call: (255) [system] peek_char((0x56051b6b4f40), _440298)
   Exit: (255) [system] peek_char((0x56051b6b4f40), j)
^  Call: (255) [user] is_delimiter(j)
   Call: (256) [system] char_type(j, space)
   Call: (256) [system] arg(_444090, v('(', ')', end_of_file), j)
   Call: (255) [system] ')'==j
   Call: (255) [system] get_char((0x56051b6b4f40), j)
   Exit: (255) [system] get_char((0x56051b6b4f40), j)
   Call: (255) [system] j=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _448660)
   Call: (256) [system] peek_char((0x56051b6b4f40), _449594)
   Exit: (256) [system] peek_char((0x56051b6b4f40), u)
^  Call: (256) [user] is_delimiter(u)
   Call: (257) [system] char_type(u, space)
   Call: (257) [system] arg(_453386, v('(', ')', end_of_file), u)
   Call: (256) [system] ')'==u
   Call: (256) [system] get_char((0x56051b6b4f40), u)
   Exit: (256) [system] get_char((0x56051b6b4f40), u)
   Call: (256) [system] u=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _457956)
   Call: (257) [system] peek_char((0x56051b6b4f40), _458890)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_462682, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _467252)
   Call: (258) [system] peek_char((0x56051b6b4f40), _468186)
   Exit: (258) [system] peek_char((0x56051b6b4f40), c)
^  Call: (258) [user] is_delimiter(c)
   Call: (259) [system] char_type(c, space)
   Call: (259) [system] arg(_471978, v('(', ')', end_of_file), c)
   Call: (258) [system] ')'==c
   Call: (258) [system] get_char((0x56051b6b4f40), c)
   Exit: (258) [system] get_char((0x56051b6b4f40), c)
   Call: (258) [system] c=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _476548)
   Call: (259) [system] peek_char((0x56051b6b4f40), _477482)
   Exit: (259) [system] peek_char((0x56051b6b4f40), t)
^  Call: (259) [user] is_delimiter(t)
   Call: (260) [system] char_type(t, space)
   Call: (260) [system] arg(_481274, v('(', ')', end_of_file), t)
   Call: (259) [system] ')'==t
   Call: (259) [system] get_char((0x56051b6b4f40), t)
   Exit: (259) [system] get_char((0x56051b6b4f40), t)
   Call: (259) [system] t=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _485844)
   Call: (260) [system] peek_char((0x56051b6b4f40), _486778)
   Exit: (260) [system] peek_char((0x56051b6b4f40), i)
^  Call: (260) [user] is_delimiter(i)
   Call: (261) [system] char_type(i, space)
   Call: (261) [system] arg(_490570, v('(', ')', end_of_file), i)
   Call: (260) [system] ')'==i
   Call: (260) [system] get_char((0x56051b6b4f40), i)
   Exit: (260) [system] get_char((0x56051b6b4f40), i)
   Call: (260) [system] i=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _495140)
   Call: (261) [system] peek_char((0x56051b6b4f40), _496074)
   Exit: (261) [system] peek_char((0x56051b6b4f40), o)
^  Call: (261) [user] is_delimiter(o)
   Call: (262) [system] char_type(o, space)
   Call: (262) [system] arg(_499866, v('(', ')', end_of_file), o)
   Call: (261) [system] ')'==o
   Call: (261) [system] get_char((0x56051b6b4f40), o)
   Exit: (261) [system] get_char((0x56051b6b4f40), o)
   Call: (261) [system] o=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _504436)
   Call: (262) [system] peek_char((0x56051b6b4f40), _505370)
   Exit: (262) [system] peek_char((0x56051b6b4f40), n)
^  Call: (262) [user] is_delimiter(n)
   Call: (263) [system] char_type(n, space)
   Call: (263) [system] arg(_509162, v('(', ')', end_of_file), n)
   Call: (262) [system] ')'==n
   Call: (262) [system] get_char((0x56051b6b4f40), n)
   Exit: (262) [system] get_char((0x56051b6b4f40), n)
   Call: (262) [system] n=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _513732)
   Call: (263) [system] peek_char((0x56051b6b4f40), _514666)
   Exit: (263) [system] peek_char((0x56051b6b4f40), 'I')
^  Call: (263) [user] is_delimiter('I')
   Call: (264) [system] char_type('I', space)
   Call: (264) [system] arg(_518458, v('(', ')', end_of_file), 'I')
   Call: (263) [system] ')'=='I'
   Call: (263) [system] get_char((0x56051b6b4f40), 'I')
   Exit: (263) [system] get_char((0x56051b6b4f40), 'I')
   Call: (263) [system] 'I'=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _523028)
   Call: (264) [system] peek_char((0x56051b6b4f40), _523962)
   Exit: (264) [system] peek_char((0x56051b6b4f40), n)
^  Call: (264) [user] is_delimiter(n)
   Call: (265) [system] char_type(n, space)
   Call: (265) [system] arg(_527754, v('(', ')', end_of_file), n)
   Call: (264) [system] ')'==n
   Call: (264) [system] get_char((0x56051b6b4f40), n)
   Exit: (264) [system] get_char((0x56051b6b4f40), n)
   Call: (264) [system] n=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _532324)
   Call: (265) [system] peek_char((0x56051b6b4f40), _533258)
   Exit: (265) [system] peek_char((0x56051b6b4f40), t)
^  Call: (265) [user] is_delimiter(t)
   Call: (266) [system] char_type(t, space)
   Call: (266) [system] arg(_537050, v('(', ')', end_of_file), t)
   Call: (265) [system] ')'==t
   Call: (265) [system] get_char((0x56051b6b4f40), t)
   Exit: (265) [system] get_char((0x56051b6b4f40), t)
   Call: (265) [system] t=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _541620)
   Call: (266) [system] peek_char((0x56051b6b4f40), _542554)
   Exit: (266) [system] peek_char((0x56051b6b4f40), r)
^  Call: (266) [user] is_delimiter(r)
   Call: (267) [system] char_type(r, space)
   Call: (267) [system] arg(_546346, v('(', ')', end_of_file), r)
   Call: (266) [system] ')'==r
   Call: (266) [system] get_char((0x56051b6b4f40), r)
   Exit: (266) [system] get_char((0x56051b6b4f40), r)
   Call: (266) [system] r=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _550916)
   Call: (267) [system] peek_char((0x56051b6b4f40), _551850)
   Exit: (267) [system] peek_char((0x56051b6b4f40), o)
^  Call: (267) [user] is_delimiter(o)
   Call: (268) [system] char_type(o, space)
   Call: (268) [system] arg(_555642, v('(', ')', end_of_file), o)
   Call: (267) [system] ')'==o
   Call: (267) [system] get_char((0x56051b6b4f40), o)
   Exit: (267) [system] get_char((0x56051b6b4f40), o)
   Call: (267) [system] o=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _560212)
   Call: (268) [system] peek_char((0x56051b6b4f40), _561146)
   Exit: (268) [system] peek_char((0x56051b6b4f40), d)
^  Call: (268) [user] is_delimiter(d)
   Call: (269) [system] char_type(d, space)
   Call: (269) [system] arg(_564938, v('(', ')', end_of_file), d)
   Call: (268) [system] ')'==d
   Call: (268) [system] get_char((0x56051b6b4f40), d)
   Exit: (268) [system] get_char((0x56051b6b4f40), d)
   Call: (268) [system] d=(\)
^  Call: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), _569508)
   Call: (269) [system] peek_char((0x56051b6b4f40), _570442)
   Exit: (269) [system] peek_char((0x56051b6b4f40), u)
^  Call: (269) [user] is_delimiter(u)
   Call: (270) [system] char_type(u, space)
   Call: (270) [system] arg(_574234, v('(', ')', end_of_file), u)
   Call: (269) [system] ')'==u
   Call: (269) [system] get_char((0x56051b6b4f40), u)
   Exit: (269) [system] get_char((0x56051b6b4f40), u)
   Call: (269) [system] u=(\)
^  Call: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), _578804)
   Call: (270) [system] peek_char((0x56051b6b4f40), _579738)
   Exit: (270) [system] peek_char((0x56051b6b4f40), c)
^  Call: (270) [user] is_delimiter(c)
   Call: (271) [system] char_type(c, space)
   Call: (271) [system] arg(_583530, v('(', ')', end_of_file), c)
   Call: (270) [system] ')'==c
   Call: (270) [system] get_char((0x56051b6b4f40), c)
   Exit: (270) [system] get_char((0x56051b6b4f40), c)
   Call: (270) [system] c=(\)
^  Call: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), _588100)
   Call: (271) [system] peek_char((0x56051b6b4f40), _589034)
   Exit: (271) [system] peek_char((0x56051b6b4f40), t)
^  Call: (271) [user] is_delimiter(t)
   Call: (272) [system] char_type(t, space)
   Call: (272) [system] arg(_592826, v('(', ')', end_of_file), t)
   Call: (271) [system] ')'==t
   Call: (271) [system] get_char((0x56051b6b4f40), t)
   Exit: (271) [system] get_char((0x56051b6b4f40), t)
   Call: (271) [system] t=(\)
^  Call: (271) [user] read_symbolic_cont(')', (0x56051b6b4f40), _597396)
   Call: (272) [system] peek_char((0x56051b6b4f40), _598330)
   Exit: (272) [system] peek_char((0x56051b6b4f40), i)
^  Call: (272) [user] is_delimiter(i)
   Call: (273) [system] char_type(i, space)
   Call: (273) [system] arg(_602122, v('(', ')', end_of_file), i)
   Call: (272) [system] ')'==i
   Call: (272) [system] get_char((0x56051b6b4f40), i)
   Exit: (272) [system] get_char((0x56051b6b4f40), i)
   Call: (272) [system] i=(\)
^  Call: (272) [user] read_symbolic_cont(')', (0x56051b6b4f40), _606692)
   Call: (273) [system] peek_char((0x56051b6b4f40), _607626)
   Exit: (273) [system] peek_char((0x56051b6b4f40), o)
^  Call: (273) [user] is_delimiter(o)
   Call: (274) [system] char_type(o, space)
   Call: (274) [system] arg(_611418, v('(', ')', end_of_file), o)
   Call: (273) [system] ')'==o
   Call: (273) [system] get_char((0x56051b6b4f40), o)
   Exit: (273) [system] get_char((0x56051b6b4f40), o)
   Call: (273) [system] o=(\)
^  Call: (273) [user] read_symbolic_cont(')', (0x56051b6b4f40), _615988)
   Call: (274) [system] peek_char((0x56051b6b4f40), _616922)
   Exit: (274) [system] peek_char((0x56051b6b4f40), n)
^  Call: (274) [user] is_delimiter(n)
   Call: (275) [system] char_type(n, space)
   Call: (275) [system] arg(_620714, v('(', ')', end_of_file), n)
   Call: (274) [system] ')'==n
   Call: (274) [system] get_char((0x56051b6b4f40), n)
   Exit: (274) [system] get_char((0x56051b6b4f40), n)
   Call: (274) [system] n=(\)
^  Call: (274) [user] read_symbolic_cont(')', (0x56051b6b4f40), _625284)
   Call: (275) [system] peek_char((0x56051b6b4f40), _626218)
   Exit: (275) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (275) [user] is_delimiter(' ')
   Call: (276) [system] char_type(' ', space)
   Exit: (276) [system] char_type(' ', space)
^  Exit: (275) [user] is_delimiter(' ')
   Call: (275) [system] _625284=[]
   Exit: (275) [system] []=[]
^  Exit: (274) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (274) [system] _615988=[n]
   Exit: (274) [system] [n]=[n]
^  Exit: (273) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (273) [system] _606692=[o, n]
   Exit: (273) [system] [o, n]=[o, n]
^  Exit: (272) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (272) [system] _597396=[i, o, n]
   Exit: (272) [system] [i, o, n]=[i, o, n]
^  Exit: (271) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (271) [system] _588100=[t, i, o, n]
   Exit: (271) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (270) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (270) [system] _578804=[c, t, i, o, n]
   Exit: (270) [system] [c, t, i, o, n]=[c, t, i, o, n]
^  Exit: (269) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n])
   Call: (269) [system] _569508=[u, c, t, i, o, n]
   Exit: (269) [system] [u, c, t, i, o, n]=[u, c, t, i, o, n]
^  Exit: (268) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, c, t, i, o, n])
   Call: (268) [system] _560212=[d, u, c, t, i, o, n]
   Exit: (268) [system] [d, u, c, t, i, o, n]=[d, u, c, t, i, o, n]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, u, c, t, i, o, n])
   Call: (267) [system] _550916=[o, d, u, c, t, i, o, n]
   Exit: (267) [system] [o, d, u, c, t, i, o, n]=[o, d, u, c, t, i, o, n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, d, u, c, t, i, o, n])
   Call: (266) [system] _541620=[r, o, d, u, c, t, i, o, n]
   Exit: (266) [system] [r, o, d, u, c, t, i, o, n]=[r, o, d, u, c, t, i, o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, o, d, u, c, t, i, o, n])
   Call: (265) [system] _532324=[t, r, o, d, u, c, t, i, o, n]
   Exit: (265) [system] [t, r, o, d, u, c, t, i, o, n]=[t, r, o, d, u, c, t, i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, r, o, d, u, c, t, i, o, n])
   Call: (264) [system] _523028=[n, t, r, o, d, u, c, t, i, o, n]
   Exit: (264) [system] [n, t, r, o, d, u, c, t, i, o, n]=[n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, t, r, o, d, u, c, t, i, o, n])
   Call: (263) [system] _513732=['I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (263) [system] ['I', n, t, r, o, d, u, c, t, i, o, n]=['I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (262) [system] _504436=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (262) [system] [n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (261) [system] _495140=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (261) [system] [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (260) [system] _485844=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (260) [system] [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (259) [system] _476548=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (259) [system] [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (258) [system] _467252=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (258) [system] [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (257) [system] _457956=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (257) [system] [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (256) [system] _448660=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (256) [system] [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (255) [system] _439364=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (255) [system] [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (254) [system] _430068=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (254) [system] [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Call: (253) [system] _420772=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
   Exit: (253) [system] [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]=[i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Call: (252) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _400228)
^  Call: (254) [system] setup_call_cleanup('$notrace'(_696996, _696998), once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _400228), _696972, fail)), '$restore_trace'(_696996, _696998))
^  Call: (255) [system] sig_atomic(system:'$notrace'(_696996, _696998))
^  Exit: (254) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], _400228), _696972, fail)), system:'$restore_trace'(3, -1))
   Call: (253) [system] atomic(_400228)
   Call: (253) [system] atom_chars(_400228, ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
   Exit: (253) [system] atom_chars('DisjunctionIntroduction', ['D', i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n])
^  Exit: (252) [user] classify_and_convert_charseq('D', [i, s, j, u, n, c, t, i, o, n, 'I', n, t, r, o, d, u, c, t, i, o, n], 'DisjunctionIntroduction')
^  Exit: (251) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'DisjunctionIntroduction')
^  Exit: (250) [user] cont_sexpr(')', (0x56051b6b4f40), 'DisjunctionIntroduction')
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _705448)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _707306)
   Exit: (252) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (252) [system] ' '=(;)
^  Call: (252) [user] is_like_space(' ')
   Call: (253) [system] char_type(' ', 'white')
   Exit: (253) [system] char_type(' ', 'white')
^  Exit: (252) [user] is_like_space(' ')
   Call: (252) [system] get_char((0x56051b6b4f40), _714116)
   Exit: (252) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _716820)
   Exit: (253) [system] peek_char((0x56051b6b4f40), c)
   Call: (253) [system] c=(;)
^  Call: (253) [user] is_like_space(c)
   Call: (254) [system] char_type(c, 'white')
   Call: (254) [system] char_type(c, end_of_line)
   Call: (254) [system] char_type(c, space)
   Call: (254) [system] char_type(c, cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _726212)
   Exit: (251) [system] peek_char((0x56051b6b4f40), c)
   Call: (251) [system] c=')'
   Call: (251) [system] c=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _729926)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _731784)
   Exit: (253) [system] peek_char((0x56051b6b4f40), c)
   Call: (253) [system] c=(;)
^  Call: (253) [user] is_like_space(c)
   Call: (254) [system] char_type(c, 'white')
   Call: (254) [system] char_type(c, end_of_line)
   Call: (254) [system] char_type(c, space)
   Call: (254) [system] char_type(c, cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _740252)
   Exit: (252) [system] get_char((0x56051b6b4f40), c)
   Call: (252) [system] c='('
   Call: (252) [system] c='['
   Call: (252) [system] c='{'
   Call: (252) [system] c='"'
   Call: (252) [system] c=!
   Call: (252) [system] c='\''
   Call: (252) [system] c='`'
   Call: (252) [system] c=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), c, _729926)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _750470)
   Call: (254) [system] peek_char((0x56051b6b4f40), _751404)
   Exit: (254) [system] peek_char((0x56051b6b4f40), d)
^  Call: (254) [user] is_delimiter(d)
   Call: (255) [system] char_type(d, space)
   Call: (255) [system] arg(_755196, v('(', ')', end_of_file), d)
   Call: (254) [system] ')'==d
   Call: (254) [system] get_char((0x56051b6b4f40), d)
   Exit: (254) [system] get_char((0x56051b6b4f40), d)
   Call: (254) [system] d=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _759766)
   Call: (255) [system] peek_char((0x56051b6b4f40), _760700)
   Exit: (255) [system] peek_char((0x56051b6b4f40), e)
^  Call: (255) [user] is_delimiter(e)
   Call: (256) [system] char_type(e, space)
   Call: (256) [system] arg(_764492, v('(', ')', end_of_file), e)
   Call: (255) [system] ')'==e
   Call: (255) [system] get_char((0x56051b6b4f40), e)
   Exit: (255) [system] get_char((0x56051b6b4f40), e)
   Call: (255) [system] e=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _769062)
   Call: (256) [system] peek_char((0x56051b6b4f40), _769996)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (256) [user] is_delimiter(' ')
   Call: (257) [system] char_type(' ', space)
   Exit: (257) [system] char_type(' ', space)
^  Exit: (256) [user] is_delimiter(' ')
   Call: (256) [system] _769062=[]
   Exit: (256) [system] []=[]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (255) [system] _759766=[e]
   Exit: (255) [system] [e]=[e]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [e])
   Call: (254) [system] _750470=[d, e]
   Exit: (254) [system] [d, e]=[d, e]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, e])
^  Call: (253) [user] classify_and_convert_charseq(c, [d, e], _729926)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_784894, _784896), once(user:catch(read_from_chars([c, d, e], _729926), _784870, fail)), '$restore_trace'(_784894, _784896))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_784894, _784896))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([c, d, e], cde), _784870, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(cde)
   Exit: (254) [system] atomic(cde)
^  Exit: (253) [user] classify_and_convert_charseq(c, [d, e], cde)
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), c, cde)
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), cde)
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _792394)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _794252)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (253) [system] ' '=(;)
^  Call: (253) [user] is_like_space(' ')
   Call: (254) [system] char_type(' ', 'white')
   Exit: (254) [system] char_type(' ', 'white')
^  Exit: (253) [user] is_like_space(' ')
   Call: (253) [system] get_char((0x56051b6b4f40), _801062)
   Exit: (253) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _803766)
   Exit: (254) [system] peek_char((0x56051b6b4f40), a)
   Call: (254) [system] a=(;)
^  Call: (254) [user] is_like_space(a)
   Call: (255) [system] char_type(a, 'white')
   Call: (255) [system] char_type(a, end_of_line)
   Call: (255) [system] char_type(a, space)
   Call: (255) [system] char_type(a, cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _813158)
   Exit: (252) [system] peek_char((0x56051b6b4f40), a)
   Call: (252) [system] a=')'
   Call: (252) [system] a=end_of_file
^  Call: (252) [user] cont_sexpr(')', (0x56051b6b4f40), _816872)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _818730)
   Exit: (254) [system] peek_char((0x56051b6b4f40), a)
   Call: (254) [system] a=(;)
^  Call: (254) [user] is_like_space(a)
   Call: (255) [system] char_type(a, 'white')
   Call: (255) [system] char_type(a, end_of_line)
   Call: (255) [system] char_type(a, space)
   Call: (255) [system] char_type(a, cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] get_char((0x56051b6b4f40), _827198)
   Exit: (253) [system] get_char((0x56051b6b4f40), a)
   Call: (253) [system] a='('
   Call: (253) [system] a='['
   Call: (253) [system] a='{'
   Call: (253) [system] a='"'
   Call: (253) [system] a=!
   Call: (253) [system] a='\''
   Call: (253) [system] a='`'
   Call: (253) [system] a=end_of_file
^  Call: (253) [user] read_symbolic(')', (0x56051b6b4f40), a, _816872)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _837416)
   Call: (255) [system] peek_char((0x56051b6b4f40), _838350)
   Exit: (255) [system] peek_char((0x56051b6b4f40), b)
^  Call: (255) [user] is_delimiter(b)
   Call: (256) [system] char_type(b, space)
   Call: (256) [system] arg(_842142, v('(', ')', end_of_file), b)
   Call: (255) [system] ')'==b
   Call: (255) [system] get_char((0x56051b6b4f40), b)
   Exit: (255) [system] get_char((0x56051b6b4f40), b)
   Call: (255) [system] b=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _846712)
   Call: (256) [system] peek_char((0x56051b6b4f40), _847646)
   Exit: (256) [system] peek_char((0x56051b6b4f40), c)
^  Call: (256) [user] is_delimiter(c)
   Call: (257) [system] char_type(c, space)
   Call: (257) [system] arg(_851438, v('(', ')', end_of_file), c)
   Call: (256) [system] ')'==c
   Call: (256) [system] get_char((0x56051b6b4f40), c)
   Exit: (256) [system] get_char((0x56051b6b4f40), c)
   Call: (256) [system] c=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _856008)
   Call: (257) [system] peek_char((0x56051b6b4f40), _856942)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (257) [user] is_delimiter(')')
   Call: (258) [system] char_type(')', space)
   Call: (258) [system] arg(_860734, v('(', ')', end_of_file), ')')
   Exit: (258) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (257) [user] is_delimiter(')')
   Call: (257) [system] _856008=[]
   Exit: (257) [system] []=[]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (256) [system] _846712=[c]
   Exit: (256) [system] [c]=[c]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c])
   Call: (255) [system] _837416=[b, c]
   Exit: (255) [system] [b, c]=[b, c]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [b, c])
^  Call: (254) [user] classify_and_convert_charseq(a, [b, c], _816872)
^  Call: (256) [system] setup_call_cleanup('$notrace'(_872784, _872786), once(user:catch(read_from_chars([a, b, c], _816872), _872760, fail)), '$restore_trace'(_872784, _872786))
^  Call: (257) [system] sig_atomic(system:'$notrace'(_872784, _872786))
^  Exit: (256) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars([a, b, c], abc), _872760, fail)), system:'$restore_trace'(3, -1))
   Call: (255) [system] atomic(abc)
   Exit: (255) [system] atomic(abc)
^  Exit: (254) [user] classify_and_convert_charseq(a, [b, c], abc)
^  Exit: (253) [user] read_symbolic(')', (0x56051b6b4f40), a, abc)
^  Exit: (252) [user] cont_sexpr(')', (0x56051b6b4f40), abc)
^  Call: (252) [user] read_list(')', (0x56051b6b4f40), _880284)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _882142)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
   Call: (254) [system] ')'=(;)
^  Call: (254) [user] is_like_space(')')
   Call: (255) [system] char_type(')', 'white')
   Call: (255) [system] char_type(')', end_of_line)
   Call: (255) [system] char_type(')', space)
   Call: (255) [system] char_type(')', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _890610)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ')')
   Call: (253) [system] ')'=')'
   Exit: (253) [system] ')'=')'
   Call: (253) [system] get_char((0x56051b6b4f40), _894400)
   Exit: (253) [system] get_char((0x56051b6b4f40), ')')
   Call: (253) [system] _880284=[]
   Exit: (253) [system] []=[]
^  Exit: (252) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (252) [system] _792394=[abc]
   Exit: (252) [system] [abc]=[abc]
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), [abc])
   Call: (251) [system] _705448=[cde, abc]
   Exit: (251) [system] [cde, abc]=[cde, abc]
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), [cde, abc])
   Call: (250) [system] _372150=['DisjunctionIntroduction', cde, abc]
   Exit: (250) [system] ['DisjunctionIntroduction', cde, abc]=['DisjunctionIntroduction', cde, abc]
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, abc])
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', cde, abc])
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _908282)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _910140)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
   Call: (250) [system] ')'=(;)
^  Call: (250) [user] is_like_space(')')
   Call: (251) [system] char_type(')', 'white')
   Call: (251) [system] char_type(')', end_of_line)
   Call: (251) [system] char_type(')', space)
   Call: (251) [system] char_type(')', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _918608)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ')')
   Call: (249) [system] ')'=')'
   Exit: (249) [system] ')'=')'
   Call: (249) [system] get_char((0x56051b6b4f40), _922398)
   Exit: (249) [system] get_char((0x56051b6b4f40), ')')
   Call: (249) [system] _908282=[]
   Exit: (249) [system] []=[]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (248) [system] _347672=[['DisjunctionIntroduction', cde, abc]]
   Exit: (248) [system] [['DisjunctionIntroduction', cde, abc]]=[['DisjunctionIntroduction', cde, abc]]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', cde, abc]])
   Call: (247) [system] _284906=[a, ['DisjunctionIntroduction', cde, abc]]
   Exit: (247) [system] [a, ['DisjunctionIntroduction', cde, abc]]=[a, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), [a, ['DisjunctionIntroduction', cde, abc]])
   Call: (246) [system] _10844=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]]
   Exit: (246) [system] ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]]=['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]])
^  Exit: (244) [user] cont_sexpr(')', (0x56051b6b4f40), ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]])
^  Call: (244) [user] read_list(')', (0x56051b6b4f40), _936280)
^  Call: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _938138)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (246) [system] ' '=(;)
^  Call: (246) [user] is_like_space(' ')
   Call: (247) [system] char_type(' ', 'white')
   Exit: (247) [system] char_type(' ', 'white')
^  Exit: (246) [user] is_like_space(' ')
   Call: (246) [system] get_char((0x56051b6b4f40), _944948)
   Exit: (246) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _947652)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=(;)
^  Call: (247) [user] is_like_space('(')
   Call: (248) [system] char_type('(', 'white')
   Call: (248) [system] char_type('(', end_of_line)
   Call: (248) [system] char_type('(', space)
   Call: (248) [system] char_type('(', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (245) [user] skip_spaces((0x56051b6b4f40))
   Call: (245) [system] peek_char((0x56051b6b4f40), _957044)
   Exit: (245) [system] peek_char((0x56051b6b4f40), '(')
   Call: (245) [system] '('=')'
   Call: (245) [system] '('=end_of_file
^  Call: (245) [user] cont_sexpr(')', (0x56051b6b4f40), _960758)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _962616)
   Exit: (247) [system] peek_char((0x56051b6b4f40), '(')
   Call: (247) [system] '('=(;)
^  Call: (247) [user] is_like_space('(')
   Call: (248) [system] char_type('(', 'white')
   Call: (248) [system] char_type('(', end_of_line)
   Call: (248) [system] char_type('(', space)
   Call: (248) [system] char_type('(', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] get_char((0x56051b6b4f40), _971084)
   Exit: (246) [system] get_char((0x56051b6b4f40), '(')
   Call: (246) [system] '('='('
   Exit: (246) [system] '('='('
^  Call: (246) [user] read_list(')', (0x56051b6b4f40), _960758)
^  Call: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _976654)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (248) [system] 'O'=(;)
^  Call: (248) [user] is_like_space('O')
   Call: (249) [system] char_type('O', 'white')
   Call: (249) [system] char_type('O', end_of_line)
   Call: (249) [system] char_type('O', space)
   Call: (249) [system] char_type('O', cntrl)
^  Exit: (247) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _985122)
   Exit: (247) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (247) [system] 'O'=')'
   Call: (247) [system] 'O'=end_of_file
^  Call: (247) [user] cont_sexpr(')', (0x56051b6b4f40), _988836)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _990694)
   Exit: (249) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (249) [system] 'O'=(;)
^  Call: (249) [user] is_like_space('O')
   Call: (250) [system] char_type('O', 'white')
   Call: (250) [system] char_type('O', end_of_line)
   Call: (250) [system] char_type('O', space)
   Call: (250) [system] char_type('O', cntrl)
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] get_char((0x56051b6b4f40), _999162)
   Exit: (248) [system] get_char((0x56051b6b4f40), 'O')
   Call: (248) [system] 'O'='('
   Call: (248) [system] 'O'='['
   Call: (248) [system] 'O'='{'
   Call: (248) [system] 'O'='"'
   Call: (248) [system] 'O'=!
   Call: (248) [system] 'O'='\''
   Call: (248) [system] 'O'='`'
   Call: (248) [system] 'O'=end_of_file
^  Call: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _988836)
^  Call: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1009380)
   Call: (250) [system] peek_char((0x56051b6b4f40), _1010314)
   Exit: (250) [system] peek_char((0x56051b6b4f40), r)
^  Call: (250) [user] is_delimiter(r)
   Call: (251) [system] char_type(r, space)
   Call: (251) [system] arg(_1014106, v('(', ')', end_of_file), r)
   Call: (250) [system] ')'==r
   Call: (250) [system] get_char((0x56051b6b4f40), r)
   Exit: (250) [system] get_char((0x56051b6b4f40), r)
   Call: (250) [system] r=(\)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1018676)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1019610)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (251) [user] is_delimiter('L')
   Call: (252) [system] char_type('L', space)
   Call: (252) [system] arg(_1023402, v('(', ')', end_of_file), 'L')
   Call: (251) [system] ')'=='L'
   Call: (251) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (251) [system] get_char((0x56051b6b4f40), 'L')
   Call: (251) [system] 'L'=(\)
^  Call: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1027972)
   Call: (252) [system] peek_char((0x56051b6b4f40), _1028906)
   Exit: (252) [system] peek_char((0x56051b6b4f40), i)
^  Call: (252) [user] is_delimiter(i)
   Call: (253) [system] char_type(i, space)
   Call: (253) [system] arg(_1032698, v('(', ')', end_of_file), i)
   Call: (252) [system] ')'==i
   Call: (252) [system] get_char((0x56051b6b4f40), i)
   Exit: (252) [system] get_char((0x56051b6b4f40), i)
   Call: (252) [system] i=(\)
^  Call: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1037268)
   Call: (253) [system] peek_char((0x56051b6b4f40), _1038202)
   Exit: (253) [system] peek_char((0x56051b6b4f40), n)
^  Call: (253) [user] is_delimiter(n)
   Call: (254) [system] char_type(n, space)
   Call: (254) [system] arg(_1041994, v('(', ')', end_of_file), n)
   Call: (253) [system] ')'==n
   Call: (253) [system] get_char((0x56051b6b4f40), n)
   Exit: (253) [system] get_char((0x56051b6b4f40), n)
   Call: (253) [system] n=(\)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1046564)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1047498)
   Exit: (254) [system] peek_char((0x56051b6b4f40), k)
^  Call: (254) [user] is_delimiter(k)
   Call: (255) [system] char_type(k, space)
   Call: (255) [system] arg(_1051290, v('(', ')', end_of_file), k)
   Call: (254) [system] ')'==k
   Call: (254) [system] get_char((0x56051b6b4f40), k)
   Exit: (254) [system] get_char((0x56051b6b4f40), k)
   Call: (254) [system] k=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1055860)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1056794)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (255) [user] is_delimiter(' ')
   Call: (256) [system] char_type(' ', space)
   Exit: (256) [system] char_type(' ', space)
^  Exit: (255) [user] is_delimiter(' ')
   Call: (255) [system] _1055860=[]
   Exit: (255) [system] []=[]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (254) [system] _1046564=[k]
   Exit: (254) [system] [k]=[k]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (253) [system] _1037268=[n, k]
   Exit: (253) [system] [n, k]=[n, k]
^  Exit: (252) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (252) [system] _1027972=[i, n, k]
   Exit: (252) [system] [i, n, k]=[i, n, k]
^  Exit: (251) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (251) [system] _1018676=['L', i, n, k]
   Exit: (251) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (250) [system] _1009380=[r, 'L', i, n, k]
   Exit: (250) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (249) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (249) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _988836)
^  Call: (251) [system] setup_call_cleanup('$notrace'(_1080074, _1080076), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _988836), _1080050, fail)), '$restore_trace'(_1080074, _1080076))
^  Call: (252) [system] sig_atomic(system:'$notrace'(_1080074, _1080076))
^  Exit: (251) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _988836), _1080050, fail)), system:'$restore_trace'(3, -1))
   Call: (250) [system] atomic(_988836)
   Call: (250) [system] atom_chars(_988836, ['O', r, 'L', i, n, k])
   Exit: (250) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (249) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (248) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (247) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (247) [user] read_list(')', (0x56051b6b4f40), _1088526)
^  Call: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1090384)
   Exit: (249) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (249) [system] ' '=(;)
^  Call: (249) [user] is_like_space(' ')
   Call: (250) [system] char_type(' ', 'white')
   Exit: (250) [system] char_type(' ', 'white')
^  Exit: (249) [user] is_like_space(' ')
   Call: (249) [system] get_char((0x56051b6b4f40), _1097194)
   Exit: (249) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1099898)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (250) [system] 'B'=(;)
^  Call: (250) [user] is_like_space('B')
   Call: (251) [system] char_type('B', 'white')
   Call: (251) [system] char_type('B', end_of_line)
   Call: (251) [system] char_type('B', space)
   Call: (251) [system] char_type('B', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (248) [user] skip_spaces((0x56051b6b4f40))
   Call: (248) [system] peek_char((0x56051b6b4f40), _1109290)
   Exit: (248) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (248) [system] 'B'=')'
   Call: (248) [system] 'B'=end_of_file
^  Call: (248) [user] cont_sexpr(')', (0x56051b6b4f40), _1113004)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1114862)
   Exit: (250) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (250) [system] 'B'=(;)
^  Call: (250) [user] is_like_space('B')
   Call: (251) [system] char_type('B', 'white')
   Call: (251) [system] char_type('B', end_of_line)
   Call: (251) [system] char_type('B', space)
   Call: (251) [system] char_type('B', cntrl)
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] get_char((0x56051b6b4f40), _1123330)
   Exit: (249) [system] get_char((0x56051b6b4f40), 'B')
   Call: (249) [system] 'B'='('
   Call: (249) [system] 'B'='['
   Call: (249) [system] 'B'='{'
   Call: (249) [system] 'B'='"'
   Call: (249) [system] 'B'=!
   Call: (249) [system] 'B'='\''
   Call: (249) [system] 'B'='`'
   Call: (249) [system] 'B'=end_of_file
^  Call: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _1113004)
^  Call: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1133548)
   Call: (251) [system] peek_char((0x56051b6b4f40), _1134482)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (251) [user] is_delimiter(' ')
   Call: (252) [system] char_type(' ', space)
   Exit: (252) [system] char_type(' ', space)
^  Exit: (251) [user] is_delimiter(' ')
   Call: (251) [system] _1133548=[]
   Exit: (251) [system] []=[]
^  Exit: (250) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (250) [user] classify_and_convert_charseq('B', [], _1113004)
^  Call: (252) [system] setup_call_cleanup('$notrace'(_1143792, _1143794), once(user:catch(read_from_chars(['B'], _1113004), _1143768, fail)), '$restore_trace'(_1143792, _1143794))
^  Call: (253) [system] sig_atomic(system:'$notrace'(_1143792, _1143794))
^  Exit: (252) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _1113004), _1143768, fail)), system:'$restore_trace'(3, -1))
   Call: (251) [system] atomic(_1113004)
   Call: (251) [system] atom_chars(_1113004, ['B'])
   Exit: (251) [system] atom_chars('B', ['B'])
^  Exit: (250) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (249) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (248) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (248) [user] read_list(')', (0x56051b6b4f40), _1152244)
^  Call: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _1154102)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (250) [system] ' '=(;)
^  Call: (250) [user] is_like_space(' ')
   Call: (251) [system] char_type(' ', 'white')
   Exit: (251) [system] char_type(' ', 'white')
^  Exit: (250) [user] is_like_space(' ')
   Call: (250) [system] get_char((0x56051b6b4f40), _1160912)
   Exit: (250) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1163616)
   Exit: (251) [system] peek_char((0x56051b6b4f40), '(')
   Call: (251) [system] '('=(;)
^  Call: (251) [user] is_like_space('(')
   Call: (252) [system] char_type('(', 'white')
   Call: (252) [system] char_type('(', end_of_line)
   Call: (252) [system] char_type('(', space)
   Call: (252) [system] char_type('(', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (249) [user] skip_spaces((0x56051b6b4f40))
   Call: (249) [system] peek_char((0x56051b6b4f40), _1173008)
   Exit: (249) [system] peek_char((0x56051b6b4f40), '(')
   Call: (249) [system] '('=')'
   Call: (249) [system] '('=end_of_file
^  Call: (249) [user] cont_sexpr(')', (0x56051b6b4f40), _1176722)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1178580)
   Exit: (251) [system] peek_char((0x56051b6b4f40), '(')
   Call: (251) [system] '('=(;)
^  Call: (251) [user] is_like_space('(')
   Call: (252) [system] char_type('(', 'white')
   Call: (252) [system] char_type('(', end_of_line)
   Call: (252) [system] char_type('(', space)
   Call: (252) [system] char_type('(', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] get_char((0x56051b6b4f40), _1187048)
   Exit: (250) [system] get_char((0x56051b6b4f40), '(')
   Call: (250) [system] '('='('
   Exit: (250) [system] '('='('
^  Call: (250) [user] read_list(')', (0x56051b6b4f40), _1176722)
^  Call: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1192618)
   Exit: (252) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (252) [system] 'O'=(;)
^  Call: (252) [user] is_like_space('O')
   Call: (253) [system] char_type('O', 'white')
   Call: (253) [system] char_type('O', end_of_line)
   Call: (253) [system] char_type('O', space)
   Call: (253) [system] char_type('O', cntrl)
^  Exit: (251) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _1201086)
   Exit: (251) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (251) [system] 'O'=')'
   Call: (251) [system] 'O'=end_of_file
^  Call: (251) [user] cont_sexpr(')', (0x56051b6b4f40), _1204800)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1206658)
   Exit: (253) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (253) [system] 'O'=(;)
^  Call: (253) [user] is_like_space('O')
   Call: (254) [system] char_type('O', 'white')
   Call: (254) [system] char_type('O', end_of_line)
   Call: (254) [system] char_type('O', space)
   Call: (254) [system] char_type('O', cntrl)
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] get_char((0x56051b6b4f40), _1215126)
   Exit: (252) [system] get_char((0x56051b6b4f40), 'O')
   Call: (252) [system] 'O'='('
   Call: (252) [system] 'O'='['
   Call: (252) [system] 'O'='{'
   Call: (252) [system] 'O'='"'
   Call: (252) [system] 'O'=!
   Call: (252) [system] 'O'='\''
   Call: (252) [system] 'O'='`'
   Call: (252) [system] 'O'=end_of_file
^  Call: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1204800)
^  Call: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1225344)
   Call: (254) [system] peek_char((0x56051b6b4f40), _1226278)
   Exit: (254) [system] peek_char((0x56051b6b4f40), r)
^  Call: (254) [user] is_delimiter(r)
   Call: (255) [system] char_type(r, space)
   Call: (255) [system] arg(_1230070, v('(', ')', end_of_file), r)
   Call: (254) [system] ')'==r
   Call: (254) [system] get_char((0x56051b6b4f40), r)
   Exit: (254) [system] get_char((0x56051b6b4f40), r)
   Call: (254) [system] r=(\)
^  Call: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1234640)
   Call: (255) [system] peek_char((0x56051b6b4f40), _1235574)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (255) [user] is_delimiter('L')
   Call: (256) [system] char_type('L', space)
   Call: (256) [system] arg(_1239366, v('(', ')', end_of_file), 'L')
   Call: (255) [system] ')'=='L'
   Call: (255) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (255) [system] get_char((0x56051b6b4f40), 'L')
   Call: (255) [system] 'L'=(\)
^  Call: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1243936)
   Call: (256) [system] peek_char((0x56051b6b4f40), _1244870)
   Exit: (256) [system] peek_char((0x56051b6b4f40), i)
^  Call: (256) [user] is_delimiter(i)
   Call: (257) [system] char_type(i, space)
   Call: (257) [system] arg(_1248662, v('(', ')', end_of_file), i)
   Call: (256) [system] ')'==i
   Call: (256) [system] get_char((0x56051b6b4f40), i)
   Exit: (256) [system] get_char((0x56051b6b4f40), i)
   Call: (256) [system] i=(\)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1253232)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1254166)
   Exit: (257) [system] peek_char((0x56051b6b4f40), n)
^  Call: (257) [user] is_delimiter(n)
   Call: (258) [system] char_type(n, space)
   Call: (258) [system] arg(_1257958, v('(', ')', end_of_file), n)
   Call: (257) [system] ')'==n
   Call: (257) [system] get_char((0x56051b6b4f40), n)
   Exit: (257) [system] get_char((0x56051b6b4f40), n)
   Call: (257) [system] n=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1262528)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1263462)
   Exit: (258) [system] peek_char((0x56051b6b4f40), k)
^  Call: (258) [user] is_delimiter(k)
   Call: (259) [system] char_type(k, space)
   Call: (259) [system] arg(_1267254, v('(', ')', end_of_file), k)
   Call: (258) [system] ')'==k
   Call: (258) [system] get_char((0x56051b6b4f40), k)
   Exit: (258) [system] get_char((0x56051b6b4f40), k)
   Call: (258) [system] k=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1271824)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1272758)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (259) [user] is_delimiter(' ')
   Call: (260) [system] char_type(' ', space)
   Exit: (260) [system] char_type(' ', space)
^  Exit: (259) [user] is_delimiter(' ')
   Call: (259) [system] _1271824=[]
   Exit: (259) [system] []=[]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (258) [system] _1262528=[k]
   Exit: (258) [system] [k]=[k]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (257) [system] _1253232=[n, k]
   Exit: (257) [system] [n, k]=[n, k]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (256) [system] _1243936=[i, n, k]
   Exit: (256) [system] [i, n, k]=[i, n, k]
^  Exit: (255) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (255) [system] _1234640=['L', i, n, k]
   Exit: (255) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (254) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (254) [system] _1225344=[r, 'L', i, n, k]
   Exit: (254) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (253) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (253) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1204800)
^  Call: (255) [system] setup_call_cleanup('$notrace'(_1296038, _1296040), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1204800), _1296014, fail)), '$restore_trace'(_1296038, _1296040))
^  Call: (256) [system] sig_atomic(system:'$notrace'(_1296038, _1296040))
^  Exit: (255) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1204800), _1296014, fail)), system:'$restore_trace'(3, -1))
   Call: (254) [system] atomic(_1204800)
   Call: (254) [system] atom_chars(_1204800, ['O', r, 'L', i, n, k])
   Exit: (254) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (253) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (252) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (251) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (251) [user] read_list(')', (0x56051b6b4f40), _1304490)
^  Call: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1306348)
   Exit: (253) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (253) [system] ' '=(;)
^  Call: (253) [user] is_like_space(' ')
   Call: (254) [system] char_type(' ', 'white')
   Exit: (254) [system] char_type(' ', 'white')
^  Exit: (253) [user] is_like_space(' ')
   Call: (253) [system] get_char((0x56051b6b4f40), _1313158)
   Exit: (253) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1315862)
   Exit: (254) [system] peek_char((0x56051b6b4f40), '(')
   Call: (254) [system] '('=(;)
^  Call: (254) [user] is_like_space('(')
   Call: (255) [system] char_type('(', 'white')
   Call: (255) [system] char_type('(', end_of_line)
   Call: (255) [system] char_type('(', space)
   Call: (255) [system] char_type('(', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (252) [user] skip_spaces((0x56051b6b4f40))
   Call: (252) [system] peek_char((0x56051b6b4f40), _1325254)
   Exit: (252) [system] peek_char((0x56051b6b4f40), '(')
   Call: (252) [system] '('=')'
   Call: (252) [system] '('=end_of_file
^  Call: (252) [user] cont_sexpr(')', (0x56051b6b4f40), _1328968)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1330826)
   Exit: (254) [system] peek_char((0x56051b6b4f40), '(')
   Call: (254) [system] '('=(;)
^  Call: (254) [user] is_like_space('(')
   Call: (255) [system] char_type('(', 'white')
   Call: (255) [system] char_type('(', end_of_line)
   Call: (255) [system] char_type('(', space)
   Call: (255) [system] char_type('(', cntrl)
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] get_char((0x56051b6b4f40), _1339294)
   Exit: (253) [system] get_char((0x56051b6b4f40), '(')
   Call: (253) [system] '('='('
   Exit: (253) [system] '('='('
^  Call: (253) [user] read_list(')', (0x56051b6b4f40), _1328968)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _1344864)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (255) [system] 'I'=(;)
^  Call: (255) [user] is_like_space('I')
   Call: (256) [system] char_type('I', 'white')
   Call: (256) [system] char_type('I', end_of_line)
   Call: (256) [system] char_type('I', space)
   Call: (256) [system] char_type('I', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1353332)
   Exit: (254) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (254) [system] 'I'=')'
   Call: (254) [system] 'I'=end_of_file
^  Call: (254) [user] cont_sexpr(')', (0x56051b6b4f40), _1357046)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _1358904)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (256) [system] 'I'=(;)
^  Call: (256) [user] is_like_space('I')
   Call: (257) [system] char_type('I', 'white')
   Call: (257) [system] char_type('I', end_of_line)
   Call: (257) [system] char_type('I', space)
   Call: (257) [system] char_type('I', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] get_char((0x56051b6b4f40), _1367372)
   Exit: (255) [system] get_char((0x56051b6b4f40), 'I')
   Call: (255) [system] 'I'='('
   Call: (255) [system] 'I'='['
   Call: (255) [system] 'I'='{'
   Call: (255) [system] 'I'='"'
   Call: (255) [system] 'I'=!
   Call: (255) [system] 'I'='\''
   Call: (255) [system] 'I'='`'
   Call: (255) [system] 'I'=end_of_file
^  Call: (255) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1357046)
^  Call: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1377590)
   Call: (257) [system] peek_char((0x56051b6b4f40), _1378524)
   Exit: (257) [system] peek_char((0x56051b6b4f40), m)
^  Call: (257) [user] is_delimiter(m)
   Call: (258) [system] char_type(m, space)
   Call: (258) [system] arg(_1382316, v('(', ')', end_of_file), m)
   Call: (257) [system] ')'==m
   Call: (257) [system] get_char((0x56051b6b4f40), m)
   Exit: (257) [system] get_char((0x56051b6b4f40), m)
   Call: (257) [system] m=(\)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1386886)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1387820)
   Exit: (258) [system] peek_char((0x56051b6b4f40), p)
^  Call: (258) [user] is_delimiter(p)
   Call: (259) [system] char_type(p, space)
   Call: (259) [system] arg(_1391612, v('(', ')', end_of_file), p)
   Call: (258) [system] ')'==p
   Call: (258) [system] get_char((0x56051b6b4f40), p)
   Exit: (258) [system] get_char((0x56051b6b4f40), p)
   Call: (258) [system] p=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1396182)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1397116)
   Exit: (259) [system] peek_char((0x56051b6b4f40), l)
^  Call: (259) [user] is_delimiter(l)
   Call: (260) [system] char_type(l, space)
   Call: (260) [system] arg(_1400908, v('(', ')', end_of_file), l)
   Call: (259) [system] ')'==l
   Call: (259) [system] get_char((0x56051b6b4f40), l)
   Exit: (259) [system] get_char((0x56051b6b4f40), l)
   Call: (259) [system] l=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1405478)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1406412)
   Exit: (260) [system] peek_char((0x56051b6b4f40), i)
^  Call: (260) [user] is_delimiter(i)
   Call: (261) [system] char_type(i, space)
   Call: (261) [system] arg(_1410204, v('(', ')', end_of_file), i)
   Call: (260) [system] ')'==i
   Call: (260) [system] get_char((0x56051b6b4f40), i)
   Exit: (260) [system] get_char((0x56051b6b4f40), i)
   Call: (260) [system] i=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1414774)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1415708)
   Exit: (261) [system] peek_char((0x56051b6b4f40), c)
^  Call: (261) [user] is_delimiter(c)
   Call: (262) [system] char_type(c, space)
   Call: (262) [system] arg(_1419500, v('(', ')', end_of_file), c)
   Call: (261) [system] ')'==c
   Call: (261) [system] get_char((0x56051b6b4f40), c)
   Exit: (261) [system] get_char((0x56051b6b4f40), c)
   Call: (261) [system] c=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1424070)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1425004)
   Exit: (262) [system] peek_char((0x56051b6b4f40), a)
^  Call: (262) [user] is_delimiter(a)
   Call: (263) [system] char_type(a, space)
   Call: (263) [system] arg(_1428796, v('(', ')', end_of_file), a)
   Call: (262) [system] ')'==a
   Call: (262) [system] get_char((0x56051b6b4f40), a)
   Exit: (262) [system] get_char((0x56051b6b4f40), a)
   Call: (262) [system] a=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1433366)
   Call: (263) [system] peek_char((0x56051b6b4f40), _1434300)
   Exit: (263) [system] peek_char((0x56051b6b4f40), t)
^  Call: (263) [user] is_delimiter(t)
   Call: (264) [system] char_type(t, space)
   Call: (264) [system] arg(_1438092, v('(', ')', end_of_file), t)
   Call: (263) [system] ')'==t
   Call: (263) [system] get_char((0x56051b6b4f40), t)
   Exit: (263) [system] get_char((0x56051b6b4f40), t)
   Call: (263) [system] t=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1442662)
   Call: (264) [system] peek_char((0x56051b6b4f40), _1443596)
   Exit: (264) [system] peek_char((0x56051b6b4f40), i)
^  Call: (264) [user] is_delimiter(i)
   Call: (265) [system] char_type(i, space)
   Call: (265) [system] arg(_1447388, v('(', ')', end_of_file), i)
   Call: (264) [system] ')'==i
   Call: (264) [system] get_char((0x56051b6b4f40), i)
   Exit: (264) [system] get_char((0x56051b6b4f40), i)
   Call: (264) [system] i=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1451958)
   Call: (265) [system] peek_char((0x56051b6b4f40), _1452892)
   Exit: (265) [system] peek_char((0x56051b6b4f40), o)
^  Call: (265) [user] is_delimiter(o)
   Call: (266) [system] char_type(o, space)
   Call: (266) [system] arg(_1456684, v('(', ')', end_of_file), o)
   Call: (265) [system] ')'==o
   Call: (265) [system] get_char((0x56051b6b4f40), o)
   Exit: (265) [system] get_char((0x56051b6b4f40), o)
   Call: (265) [system] o=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1461254)
   Call: (266) [system] peek_char((0x56051b6b4f40), _1462188)
   Exit: (266) [system] peek_char((0x56051b6b4f40), n)
^  Call: (266) [user] is_delimiter(n)
   Call: (267) [system] char_type(n, space)
   Call: (267) [system] arg(_1465980, v('(', ')', end_of_file), n)
   Call: (266) [system] ')'==n
   Call: (266) [system] get_char((0x56051b6b4f40), n)
   Exit: (266) [system] get_char((0x56051b6b4f40), n)
   Call: (266) [system] n=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1470550)
   Call: (267) [system] peek_char((0x56051b6b4f40), _1471484)
   Exit: (267) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (267) [user] is_delimiter(' ')
   Call: (268) [system] char_type(' ', space)
   Exit: (268) [system] char_type(' ', space)
^  Exit: (267) [user] is_delimiter(' ')
   Call: (267) [system] _1470550=[]
   Exit: (267) [system] []=[]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (266) [system] _1461254=[n]
   Exit: (266) [system] [n]=[n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (265) [system] _1451958=[o, n]
   Exit: (265) [system] [o, n]=[o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (264) [system] _1442662=[i, o, n]
   Exit: (264) [system] [i, o, n]=[i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (263) [system] _1433366=[t, i, o, n]
   Exit: (263) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (262) [system] _1424070=[a, t, i, o, n]
   Exit: (262) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (261) [system] _1414774=[c, a, t, i, o, n]
   Exit: (261) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (260) [system] _1405478=[i, c, a, t, i, o, n]
   Exit: (260) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (259) [system] _1396182=[l, i, c, a, t, i, o, n]
   Exit: (259) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (258) [system] _1386886=[p, l, i, c, a, t, i, o, n]
   Exit: (258) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (257) [system] _1377590=[m, p, l, i, c, a, t, i, o, n]
   Exit: (257) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (256) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (256) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _1357046)
^  Call: (258) [system] setup_call_cleanup('$notrace'(_1508734, _1508736), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1357046), _1508710, fail)), '$restore_trace'(_1508734, _1508736))
^  Call: (259) [system] sig_atomic(system:'$notrace'(_1508734, _1508736))
^  Exit: (258) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _1357046), _1508710, fail)), system:'$restore_trace'(3, -1))
   Call: (257) [system] atomic(_1357046)
   Call: (257) [system] atom_chars(_1357046, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (257) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (256) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (255) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (254) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (254) [user] read_list(')', (0x56051b6b4f40), _1517186)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _1519044)
   Exit: (256) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (256) [system] ' '=(;)
^  Call: (256) [user] is_like_space(' ')
   Call: (257) [system] char_type(' ', 'white')
   Exit: (257) [system] char_type(' ', 'white')
^  Exit: (256) [user] is_like_space(' ')
   Call: (256) [system] get_char((0x56051b6b4f40), _1525854)
   Exit: (256) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _1528558)
   Exit: (257) [system] peek_char((0x56051b6b4f40), '(')
   Call: (257) [system] '('=(;)
^  Call: (257) [user] is_like_space('(')
   Call: (258) [system] char_type('(', 'white')
   Call: (258) [system] char_type('(', end_of_line)
   Call: (258) [system] char_type('(', space)
   Call: (258) [system] char_type('(', cntrl)
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _1537950)
   Exit: (255) [system] peek_char((0x56051b6b4f40), '(')
   Call: (255) [system] '('=')'
   Call: (255) [system] '('=end_of_file
^  Call: (255) [user] cont_sexpr(')', (0x56051b6b4f40), _1541664)
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _1543522)
   Exit: (257) [system] peek_char((0x56051b6b4f40), '(')
   Call: (257) [system] '('=(;)
^  Call: (257) [user] is_like_space('(')
   Call: (258) [system] char_type('(', 'white')
   Call: (258) [system] char_type('(', end_of_line)
   Call: (258) [system] char_type('(', space)
   Call: (258) [system] char_type('(', cntrl)
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] get_char((0x56051b6b4f40), _1551990)
   Exit: (256) [system] get_char((0x56051b6b4f40), '(')
   Call: (256) [system] '('='('
   Exit: (256) [system] '('='('
^  Call: (256) [user] read_list(')', (0x56051b6b4f40), _1541664)
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _1557560)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (258) [system] 'O'=(;)
^  Call: (258) [user] is_like_space('O')
   Call: (259) [system] char_type('O', 'white')
   Call: (259) [system] char_type('O', end_of_line)
   Call: (259) [system] char_type('O', space)
   Call: (259) [system] char_type('O', cntrl)
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _1566028)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (257) [system] 'O'=')'
   Call: (257) [system] 'O'=end_of_file
^  Call: (257) [user] cont_sexpr(')', (0x56051b6b4f40), _1569742)
^  Call: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _1571600)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'O')
   Call: (259) [system] 'O'=(;)
^  Call: (259) [user] is_like_space('O')
   Call: (260) [system] char_type('O', 'white')
   Call: (260) [system] char_type('O', end_of_line)
   Call: (260) [system] char_type('O', space)
   Call: (260) [system] char_type('O', cntrl)
^  Exit: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] get_char((0x56051b6b4f40), _1580068)
   Exit: (258) [system] get_char((0x56051b6b4f40), 'O')
   Call: (258) [system] 'O'='('
   Call: (258) [system] 'O'='['
   Call: (258) [system] 'O'='{'
   Call: (258) [system] 'O'='"'
   Call: (258) [system] 'O'=!
   Call: (258) [system] 'O'='\''
   Call: (258) [system] 'O'='`'
   Call: (258) [system] 'O'=end_of_file
^  Call: (258) [user] read_symbolic(')', (0x56051b6b4f40), 'O', _1569742)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1590286)
   Call: (260) [system] peek_char((0x56051b6b4f40), _1591220)
   Exit: (260) [system] peek_char((0x56051b6b4f40), r)
^  Call: (260) [user] is_delimiter(r)
   Call: (261) [system] char_type(r, space)
   Call: (261) [system] arg(_1595012, v('(', ')', end_of_file), r)
   Call: (260) [system] ')'==r
   Call: (260) [system] get_char((0x56051b6b4f40), r)
   Exit: (260) [system] get_char((0x56051b6b4f40), r)
   Call: (260) [system] r=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1599582)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1600516)
   Exit: (261) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (261) [user] is_delimiter('L')
   Call: (262) [system] char_type('L', space)
   Call: (262) [system] arg(_1604308, v('(', ')', end_of_file), 'L')
   Call: (261) [system] ')'=='L'
   Call: (261) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (261) [system] get_char((0x56051b6b4f40), 'L')
   Call: (261) [system] 'L'=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1608878)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1609812)
   Exit: (262) [system] peek_char((0x56051b6b4f40), i)
^  Call: (262) [user] is_delimiter(i)
   Call: (263) [system] char_type(i, space)
   Call: (263) [system] arg(_1613604, v('(', ')', end_of_file), i)
   Call: (262) [system] ')'==i
   Call: (262) [system] get_char((0x56051b6b4f40), i)
   Exit: (262) [system] get_char((0x56051b6b4f40), i)
   Call: (262) [system] i=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1618174)
   Call: (263) [system] peek_char((0x56051b6b4f40), _1619108)
   Exit: (263) [system] peek_char((0x56051b6b4f40), n)
^  Call: (263) [user] is_delimiter(n)
   Call: (264) [system] char_type(n, space)
   Call: (264) [system] arg(_1622900, v('(', ')', end_of_file), n)
   Call: (263) [system] ')'==n
   Call: (263) [system] get_char((0x56051b6b4f40), n)
   Exit: (263) [system] get_char((0x56051b6b4f40), n)
   Call: (263) [system] n=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1627470)
   Call: (264) [system] peek_char((0x56051b6b4f40), _1628404)
   Exit: (264) [system] peek_char((0x56051b6b4f40), k)
^  Call: (264) [user] is_delimiter(k)
   Call: (265) [system] char_type(k, space)
   Call: (265) [system] arg(_1632196, v('(', ')', end_of_file), k)
   Call: (264) [system] ')'==k
   Call: (264) [system] get_char((0x56051b6b4f40), k)
   Exit: (264) [system] get_char((0x56051b6b4f40), k)
   Call: (264) [system] k=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1636766)
   Call: (265) [system] peek_char((0x56051b6b4f40), _1637700)
   Exit: (265) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (265) [user] is_delimiter(' ')
   Call: (266) [system] char_type(' ', space)
   Exit: (266) [system] char_type(' ', space)
^  Exit: (265) [user] is_delimiter(' ')
   Call: (265) [system] _1636766=[]
   Exit: (265) [system] []=[]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (264) [system] _1627470=[k]
   Exit: (264) [system] [k]=[k]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (263) [system] _1618174=[n, k]
   Exit: (263) [system] [n, k]=[n, k]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (262) [system] _1608878=[i, n, k]
   Exit: (262) [system] [i, n, k]=[i, n, k]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (261) [system] _1599582=['L', i, n, k]
   Exit: (261) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (260) [system] _1590286=[r, 'L', i, n, k]
   Exit: (260) [system] [r, 'L', i, n, k]=[r, 'L', i, n, k]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [r, 'L', i, n, k])
^  Call: (259) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], _1569742)
^  Call: (261) [system] setup_call_cleanup('$notrace'(_1660980, _1660982), once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1569742), _1660956, fail)), '$restore_trace'(_1660980, _1660982))
^  Call: (262) [system] sig_atomic(system:'$notrace'(_1660980, _1660982))
^  Exit: (261) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['O', r, 'L', i, n, k], _1569742), _1660956, fail)), system:'$restore_trace'(3, -1))
   Call: (260) [system] atomic(_1569742)
   Call: (260) [system] atom_chars(_1569742, ['O', r, 'L', i, n, k])
   Exit: (260) [system] atom_chars('OrLink', ['O', r, 'L', i, n, k])
^  Exit: (259) [user] classify_and_convert_charseq('O', [r, 'L', i, n, k], 'OrLink')
^  Exit: (258) [user] read_symbolic(')', (0x56051b6b4f40), 'O', 'OrLink')
^  Exit: (257) [user] cont_sexpr(')', (0x56051b6b4f40), 'OrLink')
^  Call: (257) [user] read_list(')', (0x56051b6b4f40), _1669432)
^  Call: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _1671290)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (259) [system] ' '=(;)
^  Call: (259) [user] is_like_space(' ')
   Call: (260) [system] char_type(' ', 'white')
   Exit: (260) [system] char_type(' ', 'white')
^  Exit: (259) [user] is_like_space(' ')
   Call: (259) [system] get_char((0x56051b6b4f40), _1678100)
   Exit: (259) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] peek_char((0x56051b6b4f40), _1680804)
   Exit: (260) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (260) [system] 'C'=(;)
^  Call: (260) [user] is_like_space('C')
   Call: (261) [system] char_type('C', 'white')
   Call: (261) [system] char_type('C', end_of_line)
   Call: (261) [system] char_type('C', space)
   Call: (261) [system] char_type('C', cntrl)
^  Exit: (259) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _1690196)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (258) [system] 'C'=')'
   Call: (258) [system] 'C'=end_of_file
^  Call: (258) [user] cont_sexpr(')', (0x56051b6b4f40), _1693910)
^  Call: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] peek_char((0x56051b6b4f40), _1695768)
   Exit: (260) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (260) [system] 'C'=(;)
^  Call: (260) [user] is_like_space('C')
   Call: (261) [system] char_type('C', 'white')
   Call: (261) [system] char_type('C', end_of_line)
   Call: (261) [system] char_type('C', space)
   Call: (261) [system] char_type('C', cntrl)
^  Exit: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] get_char((0x56051b6b4f40), _1704236)
   Exit: (259) [system] get_char((0x56051b6b4f40), 'C')
   Call: (259) [system] 'C'='('
   Call: (259) [system] 'C'='['
   Call: (259) [system] 'C'='{'
   Call: (259) [system] 'C'='"'
   Call: (259) [system] 'C'=!
   Call: (259) [system] 'C'='\''
   Call: (259) [system] 'C'='`'
   Call: (259) [system] 'C'=end_of_file
^  Call: (259) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _1693910)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1714454)
   Call: (261) [system] peek_char((0x56051b6b4f40), _1715388)
   Exit: (261) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (261) [user] is_delimiter(' ')
   Call: (262) [system] char_type(' ', space)
   Exit: (262) [system] char_type(' ', space)
^  Exit: (261) [user] is_delimiter(' ')
   Call: (261) [system] _1714454=[]
   Exit: (261) [system] []=[]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (260) [user] classify_and_convert_charseq('C', [], _1693910)
^  Call: (262) [system] setup_call_cleanup('$notrace'(_1724698, _1724700), once(user:catch(read_from_chars(['C'], _1693910), _1724674, fail)), '$restore_trace'(_1724698, _1724700))
^  Call: (263) [system] sig_atomic(system:'$notrace'(_1724698, _1724700))
^  Exit: (262) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _1693910), _1724674, fail)), system:'$restore_trace'(3, -1))
   Call: (261) [system] atomic(_1693910)
   Call: (261) [system] atom_chars(_1693910, ['C'])
   Exit: (261) [system] atom_chars('C', ['C'])
^  Exit: (260) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (259) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (258) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (258) [user] read_list(')', (0x56051b6b4f40), _1733150)
^  Call: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] peek_char((0x56051b6b4f40), _1735008)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (260) [system] ' '=(;)
^  Call: (260) [user] is_like_space(' ')
   Call: (261) [system] char_type(' ', 'white')
   Exit: (261) [system] char_type(' ', 'white')
^  Exit: (260) [user] is_like_space(' ')
   Call: (260) [system] get_char((0x56051b6b4f40), _1741818)
   Exit: (260) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (260) [user] skip_spaces((0x56051b6b4f40))
   Call: (261) [system] peek_char((0x56051b6b4f40), _1744522)
   Exit: (261) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (261) [system] 'D'=(;)
^  Call: (261) [user] is_like_space('D')
   Call: (262) [system] char_type('D', 'white')
   Call: (262) [system] char_type('D', end_of_line)
   Call: (262) [system] char_type('D', space)
   Call: (262) [system] char_type('D', cntrl)
^  Exit: (260) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _1753914)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (259) [system] 'D'=')'
   Call: (259) [system] 'D'=end_of_file
^  Call: (259) [user] cont_sexpr(')', (0x56051b6b4f40), _1757628)
^  Call: (260) [user] skip_spaces((0x56051b6b4f40))
   Call: (261) [system] peek_char((0x56051b6b4f40), _1759486)
   Exit: (261) [system] peek_char((0x56051b6b4f40), 'D')
   Call: (261) [system] 'D'=(;)
^  Call: (261) [user] is_like_space('D')
   Call: (262) [system] char_type('D', 'white')
   Call: (262) [system] char_type('D', end_of_line)
   Call: (262) [system] char_type('D', space)
   Call: (262) [system] char_type('D', cntrl)
^  Exit: (260) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] get_char((0x56051b6b4f40), _1767954)
   Exit: (260) [system] get_char((0x56051b6b4f40), 'D')
   Call: (260) [system] 'D'='('
   Call: (260) [system] 'D'='['
   Call: (260) [system] 'D'='{'
   Call: (260) [system] 'D'='"'
   Call: (260) [system] 'D'=!
   Call: (260) [system] 'D'='\''
   Call: (260) [system] 'D'='`'
   Call: (260) [system] 'D'=end_of_file
^  Call: (260) [user] read_symbolic(')', (0x56051b6b4f40), 'D', _1757628)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1778172)
   Call: (262) [system] peek_char((0x56051b6b4f40), _1779106)
   Exit: (262) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (262) [user] is_delimiter(')')
   Call: (263) [system] char_type(')', space)
   Call: (263) [system] arg(_1782898, v('(', ')', end_of_file), ')')
   Exit: (263) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (262) [user] is_delimiter(')')
   Call: (262) [system] _1778172=[]
   Exit: (262) [system] []=[]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (261) [user] classify_and_convert_charseq('D', [], _1757628)
^  Call: (263) [system] setup_call_cleanup('$notrace'(_1789360, _1789362), once(user:catch(read_from_chars(['D'], _1757628), _1789336, fail)), '$restore_trace'(_1789360, _1789362))
^  Call: (264) [system] sig_atomic(system:'$notrace'(_1789360, _1789362))
^  Exit: (263) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['D'], _1757628), _1789336, fail)), system:'$restore_trace'(3, -1))
   Call: (262) [system] atomic(_1757628)
   Call: (262) [system] atom_chars(_1757628, ['D'])
   Exit: (262) [system] atom_chars('D', ['D'])
^  Exit: (261) [user] classify_and_convert_charseq('D', [], 'D')
^  Exit: (260) [user] read_symbolic(')', (0x56051b6b4f40), 'D', 'D')
^  Exit: (259) [user] cont_sexpr(')', (0x56051b6b4f40), 'D')
^  Call: (259) [user] read_list(')', (0x56051b6b4f40), _1797812)
^  Call: (260) [user] skip_spaces((0x56051b6b4f40))
   Call: (261) [system] peek_char((0x56051b6b4f40), _1799670)
   Exit: (261) [system] peek_char((0x56051b6b4f40), ')')
   Call: (261) [system] ')'=(;)
^  Call: (261) [user] is_like_space(')')
   Call: (262) [system] char_type(')', 'white')
   Call: (262) [system] char_type(')', end_of_line)
   Call: (262) [system] char_type(')', space)
   Call: (262) [system] char_type(')', cntrl)
^  Exit: (260) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] peek_char((0x56051b6b4f40), _1808138)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ')')
   Call: (260) [system] ')'=')'
   Exit: (260) [system] ')'=')'
   Call: (260) [system] get_char((0x56051b6b4f40), _1811928)
   Exit: (260) [system] get_char((0x56051b6b4f40), ')')
   Call: (260) [system] _1797812=[]
   Exit: (260) [system] []=[]
^  Exit: (259) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (259) [system] _1733150=['D']
   Exit: (259) [system] ['D']=['D']
^  Exit: (258) [user] read_list(')', (0x56051b6b4f40), ['D'])
   Call: (258) [system] _1669432=['C', 'D']
   Exit: (258) [system] ['C', 'D']=['C', 'D']
^  Exit: (257) [user] read_list(')', (0x56051b6b4f40), ['C', 'D'])
   Call: (257) [system] _1541664=['OrLink', 'C', 'D']
   Exit: (257) [system] ['OrLink', 'C', 'D']=['OrLink', 'C', 'D']
^  Exit: (256) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Exit: (255) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'C', 'D'])
^  Call: (255) [user] read_list(')', (0x56051b6b4f40), _1825810)
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _1827668)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (257) [system] ' '=(;)
^  Call: (257) [user] is_like_space(' ')
   Call: (258) [system] char_type(' ', 'white')
   Exit: (258) [system] char_type(' ', 'white')
^  Exit: (257) [user] is_like_space(' ')
   Call: (257) [system] get_char((0x56051b6b4f40), _1834478)
   Exit: (257) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _1837182)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (258) [system] 'E'=(;)
^  Call: (258) [user] is_like_space('E')
   Call: (259) [system] char_type('E', 'white')
   Call: (259) [system] char_type('E', end_of_line)
   Call: (259) [system] char_type('E', space)
   Call: (259) [system] char_type('E', cntrl)
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _1846574)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (256) [system] 'E'=')'
   Call: (256) [system] 'E'=end_of_file
^  Call: (256) [user] cont_sexpr(')', (0x56051b6b4f40), _1850288)
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _1852146)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'E')
   Call: (258) [system] 'E'=(;)
^  Call: (258) [user] is_like_space('E')
   Call: (259) [system] char_type('E', 'white')
   Call: (259) [system] char_type('E', end_of_line)
   Call: (259) [system] char_type('E', space)
   Call: (259) [system] char_type('E', cntrl)
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] get_char((0x56051b6b4f40), _1860614)
   Exit: (257) [system] get_char((0x56051b6b4f40), 'E')
   Call: (257) [system] 'E'='('
   Call: (257) [system] 'E'='['
   Call: (257) [system] 'E'='{'
   Call: (257) [system] 'E'='"'
   Call: (257) [system] 'E'=!
   Call: (257) [system] 'E'='\''
   Call: (257) [system] 'E'='`'
   Call: (257) [system] 'E'=end_of_file
^  Call: (257) [user] read_symbolic(')', (0x56051b6b4f40), 'E', _1850288)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1870832)
   Call: (259) [system] peek_char((0x56051b6b4f40), _1871766)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (259) [user] is_delimiter(')')
   Call: (260) [system] char_type(')', space)
   Call: (260) [system] arg(_1875558, v('(', ')', end_of_file), ')')
   Exit: (260) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (259) [user] is_delimiter(')')
   Call: (259) [system] _1870832=[]
   Exit: (259) [system] []=[]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (258) [user] classify_and_convert_charseq('E', [], _1850288)
^  Call: (260) [system] setup_call_cleanup('$notrace'(_1882020, _1882022), once(user:catch(read_from_chars(['E'], _1850288), _1881996, fail)), '$restore_trace'(_1882020, _1882022))
^  Call: (261) [system] sig_atomic(system:'$notrace'(_1882020, _1882022))
^  Exit: (260) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['E'], _1850288), _1881996, fail)), system:'$restore_trace'(3, -1))
   Call: (259) [system] atomic(_1850288)
   Call: (259) [system] atom_chars(_1850288, ['E'])
   Exit: (259) [system] atom_chars('E', ['E'])
^  Exit: (258) [user] classify_and_convert_charseq('E', [], 'E')
^  Exit: (257) [user] read_symbolic(')', (0x56051b6b4f40), 'E', 'E')
^  Exit: (256) [user] cont_sexpr(')', (0x56051b6b4f40), 'E')
^  Call: (256) [user] read_list(')', (0x56051b6b4f40), _1890472)
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _1892330)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ')')
   Call: (258) [system] ')'=(;)
^  Call: (258) [user] is_like_space(')')
   Call: (259) [system] char_type(')', 'white')
   Call: (259) [system] char_type(')', end_of_line)
   Call: (259) [system] char_type(')', space)
   Call: (259) [system] char_type(')', cntrl)
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _1900798)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ')')
   Call: (257) [system] ')'=')'
   Exit: (257) [system] ')'=')'
   Call: (257) [system] get_char((0x56051b6b4f40), _1904588)
   Exit: (257) [system] get_char((0x56051b6b4f40), ')')
   Call: (257) [system] _1890472=[]
   Exit: (257) [system] []=[]
^  Exit: (256) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (256) [system] _1825810=['E']
   Exit: (256) [system] ['E']=['E']
^  Exit: (255) [user] read_list(')', (0x56051b6b4f40), ['E'])
   Call: (255) [system] _1517186=[['OrLink', 'C', 'D'], 'E']
   Exit: (255) [system] [['OrLink', 'C', 'D'], 'E']=[['OrLink', 'C', 'D'], 'E']
^  Exit: (254) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'C', 'D'], 'E'])
   Call: (254) [system] _1328968=['Implication', ['OrLink', 'C', 'D'], 'E']
   Exit: (254) [system] ['Implication', ['OrLink', 'C', 'D'], 'E']=['Implication', ['OrLink', 'C', 'D'], 'E']
^  Exit: (253) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Exit: (252) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['OrLink', 'C', 'D'], 'E'])
^  Call: (252) [user] read_list(')', (0x56051b6b4f40), _1918470)
^  Call: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _1920328)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (254) [system] ' '=(;)
^  Call: (254) [user] is_like_space(' ')
   Call: (255) [system] char_type(' ', 'white')
   Exit: (255) [system] char_type(' ', 'white')
^  Exit: (254) [user] is_like_space(' ')
   Call: (254) [system] get_char((0x56051b6b4f40), _1927138)
   Exit: (254) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _1929842)
   Exit: (255) [system] peek_char((0x56051b6b4f40), '(')
   Call: (255) [system] '('=(;)
^  Call: (255) [user] is_like_space('(')
   Call: (256) [system] char_type('(', 'white')
   Call: (256) [system] char_type('(', end_of_line)
   Call: (256) [system] char_type('(', space)
   Call: (256) [system] char_type('(', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (253) [user] skip_spaces((0x56051b6b4f40))
   Call: (253) [system] peek_char((0x56051b6b4f40), _1939234)
   Exit: (253) [system] peek_char((0x56051b6b4f40), '(')
   Call: (253) [system] '('=')'
   Call: (253) [system] '('=end_of_file
^  Call: (253) [user] cont_sexpr(')', (0x56051b6b4f40), _1942948)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _1944806)
   Exit: (255) [system] peek_char((0x56051b6b4f40), '(')
   Call: (255) [system] '('=(;)
^  Call: (255) [user] is_like_space('(')
   Call: (256) [system] char_type('(', 'white')
   Call: (256) [system] char_type('(', end_of_line)
   Call: (256) [system] char_type('(', space)
   Call: (256) [system] char_type('(', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] get_char((0x56051b6b4f40), _1953274)
   Exit: (254) [system] get_char((0x56051b6b4f40), '(')
   Call: (254) [system] '('='('
   Exit: (254) [system] '('='('
^  Call: (254) [user] read_list(')', (0x56051b6b4f40), _1942948)
^  Call: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _1958844)
   Exit: (256) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (256) [system] 'I'=(;)
^  Call: (256) [user] is_like_space('I')
   Call: (257) [system] char_type('I', 'white')
   Call: (257) [system] char_type('I', end_of_line)
   Call: (257) [system] char_type('I', space)
   Call: (257) [system] char_type('I', cntrl)
^  Exit: (255) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _1967312)
   Exit: (255) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (255) [system] 'I'=')'
   Call: (255) [system] 'I'=end_of_file
^  Call: (255) [user] cont_sexpr(')', (0x56051b6b4f40), _1971026)
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _1972884)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'I')
   Call: (257) [system] 'I'=(;)
^  Call: (257) [user] is_like_space('I')
   Call: (258) [system] char_type('I', 'white')
   Call: (258) [system] char_type('I', end_of_line)
   Call: (258) [system] char_type('I', space)
   Call: (258) [system] char_type('I', cntrl)
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] get_char((0x56051b6b4f40), _1981352)
   Exit: (256) [system] get_char((0x56051b6b4f40), 'I')
   Call: (256) [system] 'I'='('
   Call: (256) [system] 'I'='['
   Call: (256) [system] 'I'='{'
   Call: (256) [system] 'I'='"'
   Call: (256) [system] 'I'=!
   Call: (256) [system] 'I'='\''
   Call: (256) [system] 'I'='`'
   Call: (256) [system] 'I'=end_of_file
^  Call: (256) [user] read_symbolic(')', (0x56051b6b4f40), 'I', _1971026)
^  Call: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), _1991570)
   Call: (258) [system] peek_char((0x56051b6b4f40), _1992504)
   Exit: (258) [system] peek_char((0x56051b6b4f40), m)
^  Call: (258) [user] is_delimiter(m)
   Call: (259) [system] char_type(m, space)
   Call: (259) [system] arg(_1996296, v('(', ')', end_of_file), m)
   Call: (258) [system] ')'==m
   Call: (258) [system] get_char((0x56051b6b4f40), m)
   Exit: (258) [system] get_char((0x56051b6b4f40), m)
   Call: (258) [system] m=(\)
^  Call: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2000866)
   Call: (259) [system] peek_char((0x56051b6b4f40), _2001800)
   Exit: (259) [system] peek_char((0x56051b6b4f40), p)
^  Call: (259) [user] is_delimiter(p)
   Call: (260) [system] char_type(p, space)
   Call: (260) [system] arg(_2005592, v('(', ')', end_of_file), p)
   Call: (259) [system] ')'==p
   Call: (259) [system] get_char((0x56051b6b4f40), p)
   Exit: (259) [system] get_char((0x56051b6b4f40), p)
   Call: (259) [system] p=(\)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2010162)
   Call: (260) [system] peek_char((0x56051b6b4f40), _2011096)
   Exit: (260) [system] peek_char((0x56051b6b4f40), l)
^  Call: (260) [user] is_delimiter(l)
   Call: (261) [system] char_type(l, space)
   Call: (261) [system] arg(_2014888, v('(', ')', end_of_file), l)
   Call: (260) [system] ')'==l
   Call: (260) [system] get_char((0x56051b6b4f40), l)
   Exit: (260) [system] get_char((0x56051b6b4f40), l)
   Call: (260) [system] l=(\)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2019458)
   Call: (261) [system] peek_char((0x56051b6b4f40), _2020392)
   Exit: (261) [system] peek_char((0x56051b6b4f40), i)
^  Call: (261) [user] is_delimiter(i)
   Call: (262) [system] char_type(i, space)
   Call: (262) [system] arg(_2024184, v('(', ')', end_of_file), i)
   Call: (261) [system] ')'==i
   Call: (261) [system] get_char((0x56051b6b4f40), i)
   Exit: (261) [system] get_char((0x56051b6b4f40), i)
   Call: (261) [system] i=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2028754)
   Call: (262) [system] peek_char((0x56051b6b4f40), _2029688)
   Exit: (262) [system] peek_char((0x56051b6b4f40), c)
^  Call: (262) [user] is_delimiter(c)
   Call: (263) [system] char_type(c, space)
   Call: (263) [system] arg(_2033480, v('(', ')', end_of_file), c)
   Call: (262) [system] ')'==c
   Call: (262) [system] get_char((0x56051b6b4f40), c)
   Exit: (262) [system] get_char((0x56051b6b4f40), c)
   Call: (262) [system] c=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2038050)
   Call: (263) [system] peek_char((0x56051b6b4f40), _2038984)
   Exit: (263) [system] peek_char((0x56051b6b4f40), a)
^  Call: (263) [user] is_delimiter(a)
   Call: (264) [system] char_type(a, space)
   Call: (264) [system] arg(_2042776, v('(', ')', end_of_file), a)
   Call: (263) [system] ')'==a
   Call: (263) [system] get_char((0x56051b6b4f40), a)
   Exit: (263) [system] get_char((0x56051b6b4f40), a)
   Call: (263) [system] a=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2047346)
   Call: (264) [system] peek_char((0x56051b6b4f40), _2048280)
   Exit: (264) [system] peek_char((0x56051b6b4f40), t)
^  Call: (264) [user] is_delimiter(t)
   Call: (265) [system] char_type(t, space)
   Call: (265) [system] arg(_2052072, v('(', ')', end_of_file), t)
   Call: (264) [system] ')'==t
   Call: (264) [system] get_char((0x56051b6b4f40), t)
   Exit: (264) [system] get_char((0x56051b6b4f40), t)
   Call: (264) [system] t=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2056642)
   Call: (265) [system] peek_char((0x56051b6b4f40), _2057576)
   Exit: (265) [system] peek_char((0x56051b6b4f40), i)
^  Call: (265) [user] is_delimiter(i)
   Call: (266) [system] char_type(i, space)
   Call: (266) [system] arg(_2061368, v('(', ')', end_of_file), i)
   Call: (265) [system] ')'==i
   Call: (265) [system] get_char((0x56051b6b4f40), i)
   Exit: (265) [system] get_char((0x56051b6b4f40), i)
   Call: (265) [system] i=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2065938)
   Call: (266) [system] peek_char((0x56051b6b4f40), _2066872)
   Exit: (266) [system] peek_char((0x56051b6b4f40), o)
^  Call: (266) [user] is_delimiter(o)
   Call: (267) [system] char_type(o, space)
   Call: (267) [system] arg(_2070664, v('(', ')', end_of_file), o)
   Call: (266) [system] ')'==o
   Call: (266) [system] get_char((0x56051b6b4f40), o)
   Exit: (266) [system] get_char((0x56051b6b4f40), o)
   Call: (266) [system] o=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2075234)
   Call: (267) [system] peek_char((0x56051b6b4f40), _2076168)
   Exit: (267) [system] peek_char((0x56051b6b4f40), n)
^  Call: (267) [user] is_delimiter(n)
   Call: (268) [system] char_type(n, space)
   Call: (268) [system] arg(_2079960, v('(', ')', end_of_file), n)
   Call: (267) [system] ')'==n
   Call: (267) [system] get_char((0x56051b6b4f40), n)
   Exit: (267) [system] get_char((0x56051b6b4f40), n)
   Call: (267) [system] n=(\)
^  Call: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), _2084530)
   Call: (268) [system] peek_char((0x56051b6b4f40), _2085464)
   Exit: (268) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (268) [user] is_delimiter(' ')
   Call: (269) [system] char_type(' ', space)
   Exit: (269) [system] char_type(' ', space)
^  Exit: (268) [user] is_delimiter(' ')
   Call: (268) [system] _2084530=[]
   Exit: (268) [system] []=[]
^  Exit: (267) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (267) [system] _2075234=[n]
   Exit: (267) [system] [n]=[n]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n])
   Call: (266) [system] _11000=[o, n]
   Exit: (266) [system] [o, n]=[o, n]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [o, n])
   Call: (265) [system] _10996=[i, o, n]
   Exit: (265) [system] [i, o, n]=[i, o, n]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, o, n])
   Call: (264) [system] _10992=[t, i, o, n]
   Exit: (264) [system] [t, i, o, n]=[t, i, o, n]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [t, i, o, n])
   Call: (263) [system] _10988=[a, t, i, o, n]
   Exit: (263) [system] [a, t, i, o, n]=[a, t, i, o, n]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [a, t, i, o, n])
   Call: (262) [system] _10984=[c, a, t, i, o, n]
   Exit: (262) [system] [c, a, t, i, o, n]=[c, a, t, i, o, n]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [c, a, t, i, o, n])
   Call: (261) [system] _10980=[i, c, a, t, i, o, n]
   Exit: (261) [system] [i, c, a, t, i, o, n]=[i, c, a, t, i, o, n]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, c, a, t, i, o, n])
   Call: (260) [system] _10976=[l, i, c, a, t, i, o, n]
   Exit: (260) [system] [l, i, c, a, t, i, o, n]=[l, i, c, a, t, i, o, n]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [l, i, c, a, t, i, o, n])
   Call: (259) [system] _10972=[p, l, i, c, a, t, i, o, n]
   Exit: (259) [system] [p, l, i, c, a, t, i, o, n]=[p, l, i, c, a, t, i, o, n]
^  Exit: (258) [user] read_symbolic_cont(')', (0x56051b6b4f40), [p, l, i, c, a, t, i, o, n])
   Call: (258) [system] _10968=[m, p, l, i, c, a, t, i, o, n]
   Exit: (258) [system] [m, p, l, i, c, a, t, i, o, n]=[m, p, l, i, c, a, t, i, o, n]
^  Exit: (257) [user] read_symbolic_cont(')', (0x56051b6b4f40), [m, p, l, i, c, a, t, i, o, n])
^  Call: (257) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], _10964)
^  Call: (259) [system] setup_call_cleanup('$notrace'(_36938, _36940), once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _10964), _36914, fail)), '$restore_trace'(_36938, _36940))
^  Call: (260) [system] sig_atomic(system:'$notrace'(_36938, _36940))
^  Exit: (259) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['I', m, p, l, i, c, a, t, i, o, n], _10964), _36914, fail)), system:'$restore_trace'(3, -1))
   Call: (258) [system] atomic(_10964)
   Call: (258) [system] atom_chars(_10964, ['I', m, p, l, i, c, a, t, i, o, n])
   Exit: (258) [system] atom_chars('Implication', ['I', m, p, l, i, c, a, t, i, o, n])
^  Exit: (257) [user] classify_and_convert_charseq('I', [m, p, l, i, c, a, t, i, o, n], 'Implication')
^  Exit: (256) [user] read_symbolic(')', (0x56051b6b4f40), 'I', 'Implication')
^  Exit: (255) [user] cont_sexpr(')', (0x56051b6b4f40), 'Implication')
^  Call: (255) [user] read_list(')', (0x56051b6b4f40), _45390)
^  Call: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _47248)
   Exit: (257) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (257) [system] ' '=(;)
^  Call: (257) [user] is_like_space(' ')
   Call: (258) [system] char_type(' ', 'white')
   Exit: (258) [system] char_type(' ', 'white')
^  Exit: (257) [user] is_like_space(' ')
   Call: (257) [system] get_char((0x56051b6b4f40), _54058)
   Exit: (257) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _56762)
   Exit: (258) [system] peek_char((0x56051b6b4f40), '(')
   Call: (258) [system] '('=(;)
^  Call: (258) [user] is_like_space('(')
   Call: (259) [system] char_type('(', 'white')
   Call: (259) [system] char_type('(', end_of_line)
   Call: (259) [system] char_type('(', space)
   Call: (259) [system] char_type('(', cntrl)
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (256) [user] skip_spaces((0x56051b6b4f40))
   Call: (256) [system] peek_char((0x56051b6b4f40), _66154)
   Exit: (256) [system] peek_char((0x56051b6b4f40), '(')
   Call: (256) [system] '('=')'
   Call: (256) [system] '('=end_of_file
^  Call: (256) [user] cont_sexpr(')', (0x56051b6b4f40), _69868)
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _71726)
   Exit: (258) [system] peek_char((0x56051b6b4f40), '(')
   Call: (258) [system] '('=(;)
^  Call: (258) [user] is_like_space('(')
   Call: (259) [system] char_type('(', 'white')
   Call: (259) [system] char_type('(', end_of_line)
   Call: (259) [system] char_type('(', space)
   Call: (259) [system] char_type('(', cntrl)
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] get_char((0x56051b6b4f40), _80194)
   Exit: (257) [system] get_char((0x56051b6b4f40), '(')
   Call: (257) [system] '('='('
   Exit: (257) [system] '('='('
^  Call: (257) [user] read_list(')', (0x56051b6b4f40), _69868)
^  Call: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _85764)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (259) [system] 'A'=(;)
^  Call: (259) [user] is_like_space('A')
   Call: (260) [system] char_type('A', 'white')
   Call: (260) [system] char_type('A', end_of_line)
   Call: (260) [system] char_type('A', space)
   Call: (260) [system] char_type('A', cntrl)
^  Exit: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _94232)
   Exit: (258) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (258) [system] 'A'=')'
   Call: (258) [system] 'A'=end_of_file
^  Call: (258) [user] cont_sexpr(')', (0x56051b6b4f40), _97946)
^  Call: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] peek_char((0x56051b6b4f40), _99804)
   Exit: (260) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (260) [system] 'A'=(;)
^  Call: (260) [user] is_like_space('A')
   Call: (261) [system] char_type('A', 'white')
   Call: (261) [system] char_type('A', end_of_line)
   Call: (261) [system] char_type('A', space)
   Call: (261) [system] char_type('A', cntrl)
^  Exit: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] get_char((0x56051b6b4f40), _108272)
   Exit: (259) [system] get_char((0x56051b6b4f40), 'A')
   Call: (259) [system] 'A'='('
   Call: (259) [system] 'A'='['
   Call: (259) [system] 'A'='{'
   Call: (259) [system] 'A'='"'
   Call: (259) [system] 'A'=!
   Call: (259) [system] 'A'='\''
   Call: (259) [system] 'A'='`'
   Call: (259) [system] 'A'=end_of_file
^  Call: (259) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _97946)
^  Call: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), _118490)
   Call: (261) [system] peek_char((0x56051b6b4f40), _119424)
   Exit: (261) [system] peek_char((0x56051b6b4f40), n)
^  Call: (261) [user] is_delimiter(n)
   Call: (262) [system] char_type(n, space)
   Call: (262) [system] arg(_123216, v('(', ')', end_of_file), n)
   Call: (261) [system] ')'==n
   Call: (261) [system] get_char((0x56051b6b4f40), n)
   Exit: (261) [system] get_char((0x56051b6b4f40), n)
   Call: (261) [system] n=(\)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _127786)
   Call: (262) [system] peek_char((0x56051b6b4f40), _128720)
   Exit: (262) [system] peek_char((0x56051b6b4f40), d)
^  Call: (262) [user] is_delimiter(d)
   Call: (263) [system] char_type(d, space)
   Call: (263) [system] arg(_132512, v('(', ')', end_of_file), d)
   Call: (262) [system] ')'==d
   Call: (262) [system] get_char((0x56051b6b4f40), d)
   Exit: (262) [system] get_char((0x56051b6b4f40), d)
   Call: (262) [system] d=(\)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _137082)
   Call: (263) [system] peek_char((0x56051b6b4f40), _138016)
   Exit: (263) [system] peek_char((0x56051b6b4f40), 'L')
^  Call: (263) [user] is_delimiter('L')
   Call: (264) [system] char_type('L', space)
   Call: (264) [system] arg(_141808, v('(', ')', end_of_file), 'L')
   Call: (263) [system] ')'=='L'
   Call: (263) [system] get_char((0x56051b6b4f40), 'L')
   Exit: (263) [system] get_char((0x56051b6b4f40), 'L')
   Call: (263) [system] 'L'=(\)
^  Call: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), _146378)
   Call: (264) [system] peek_char((0x56051b6b4f40), _147312)
   Exit: (264) [system] peek_char((0x56051b6b4f40), i)
^  Call: (264) [user] is_delimiter(i)
   Call: (265) [system] char_type(i, space)
   Call: (265) [system] arg(_151104, v('(', ')', end_of_file), i)
   Call: (264) [system] ')'==i
   Call: (264) [system] get_char((0x56051b6b4f40), i)
   Exit: (264) [system] get_char((0x56051b6b4f40), i)
   Call: (264) [system] i=(\)
^  Call: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), _155674)
   Call: (265) [system] peek_char((0x56051b6b4f40), _156608)
   Exit: (265) [system] peek_char((0x56051b6b4f40), n)
^  Call: (265) [user] is_delimiter(n)
   Call: (266) [system] char_type(n, space)
   Call: (266) [system] arg(_160400, v('(', ')', end_of_file), n)
   Call: (265) [system] ')'==n
   Call: (265) [system] get_char((0x56051b6b4f40), n)
   Exit: (265) [system] get_char((0x56051b6b4f40), n)
   Call: (265) [system] n=(\)
^  Call: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), _164970)
   Call: (266) [system] peek_char((0x56051b6b4f40), _165904)
   Exit: (266) [system] peek_char((0x56051b6b4f40), k)
^  Call: (266) [user] is_delimiter(k)
   Call: (267) [system] char_type(k, space)
   Call: (267) [system] arg(_169696, v('(', ')', end_of_file), k)
   Call: (266) [system] ')'==k
   Call: (266) [system] get_char((0x56051b6b4f40), k)
   Exit: (266) [system] get_char((0x56051b6b4f40), k)
   Call: (266) [system] k=(\)
^  Call: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), _174266)
   Call: (267) [system] peek_char((0x56051b6b4f40), _175200)
   Exit: (267) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (267) [user] is_delimiter(' ')
   Call: (268) [system] char_type(' ', space)
   Exit: (268) [system] char_type(' ', space)
^  Exit: (267) [user] is_delimiter(' ')
   Call: (267) [system] _174266=[]
   Exit: (267) [system] []=[]
^  Exit: (266) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
   Call: (266) [system] _164970=[k]
   Exit: (266) [system] [k]=[k]
^  Exit: (265) [user] read_symbolic_cont(')', (0x56051b6b4f40), [k])
   Call: (265) [system] _155674=[n, k]
   Exit: (265) [system] [n, k]=[n, k]
^  Exit: (264) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, k])
   Call: (264) [system] _146378=[i, n, k]
   Exit: (264) [system] [i, n, k]=[i, n, k]
^  Exit: (263) [user] read_symbolic_cont(')', (0x56051b6b4f40), [i, n, k])
   Call: (263) [system] _137082=['L', i, n, k]
   Exit: (263) [system] ['L', i, n, k]=['L', i, n, k]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), ['L', i, n, k])
   Call: (262) [system] _127786=[d, 'L', i, n, k]
   Exit: (262) [system] [d, 'L', i, n, k]=[d, 'L', i, n, k]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [d, 'L', i, n, k])
   Call: (261) [system] _118490=[n, d, 'L', i, n, k]
   Exit: (261) [system] [n, d, 'L', i, n, k]=[n, d, 'L', i, n, k]
^  Exit: (260) [user] read_symbolic_cont(')', (0x56051b6b4f40), [n, d, 'L', i, n, k])
^  Call: (260) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], _97946)
^  Call: (262) [system] setup_call_cleanup('$notrace'(_201274, _201276), once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _97946), _201250, fail)), '$restore_trace'(_201274, _201276))
^  Call: (263) [system] sig_atomic(system:'$notrace'(_201274, _201276))
^  Exit: (262) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A', n, d, 'L', i, n, k], _97946), _201250, fail)), system:'$restore_trace'(3, -1))
   Call: (261) [system] atomic(_97946)
   Call: (261) [system] atom_chars(_97946, ['A', n, d, 'L', i, n, k])
   Exit: (261) [system] atom_chars('AndLink', ['A', n, d, 'L', i, n, k])
^  Exit: (260) [user] classify_and_convert_charseq('A', [n, d, 'L', i, n, k], 'AndLink')
^  Exit: (259) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'AndLink')
^  Exit: (258) [user] cont_sexpr(')', (0x56051b6b4f40), 'AndLink')
^  Call: (258) [user] read_list(')', (0x56051b6b4f40), _209726)
^  Call: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] peek_char((0x56051b6b4f40), _211584)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (260) [system] ' '=(;)
^  Call: (260) [user] is_like_space(' ')
   Call: (261) [system] char_type(' ', 'white')
   Exit: (261) [system] char_type(' ', 'white')
^  Exit: (260) [user] is_like_space(' ')
   Call: (260) [system] get_char((0x56051b6b4f40), _218394)
   Exit: (260) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (260) [user] skip_spaces((0x56051b6b4f40))
   Call: (261) [system] peek_char((0x56051b6b4f40), _221098)
   Exit: (261) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (261) [system] 'A'=(;)
^  Call: (261) [user] is_like_space('A')
   Call: (262) [system] char_type('A', 'white')
   Call: (262) [system] char_type('A', end_of_line)
   Call: (262) [system] char_type('A', space)
   Call: (262) [system] char_type('A', cntrl)
^  Exit: (260) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (259) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _230490)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (259) [system] 'A'=')'
   Call: (259) [system] 'A'=end_of_file
^  Call: (259) [user] cont_sexpr(')', (0x56051b6b4f40), _234204)
^  Call: (260) [user] skip_spaces((0x56051b6b4f40))
   Call: (261) [system] peek_char((0x56051b6b4f40), _236062)
   Exit: (261) [system] peek_char((0x56051b6b4f40), 'A')
   Call: (261) [system] 'A'=(;)
^  Call: (261) [user] is_like_space('A')
   Call: (262) [system] char_type('A', 'white')
   Call: (262) [system] char_type('A', end_of_line)
   Call: (262) [system] char_type('A', space)
   Call: (262) [system] char_type('A', cntrl)
^  Exit: (260) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] get_char((0x56051b6b4f40), _244530)
   Exit: (260) [system] get_char((0x56051b6b4f40), 'A')
   Call: (260) [system] 'A'='('
   Call: (260) [system] 'A'='['
   Call: (260) [system] 'A'='{'
   Call: (260) [system] 'A'='"'
   Call: (260) [system] 'A'=!
   Call: (260) [system] 'A'='\''
   Call: (260) [system] 'A'='`'
   Call: (260) [system] 'A'=end_of_file
^  Call: (260) [user] read_symbolic(')', (0x56051b6b4f40), 'A', _234204)
^  Call: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), _254748)
   Call: (262) [system] peek_char((0x56051b6b4f40), _255682)
   Exit: (262) [system] peek_char((0x56051b6b4f40), ' ')
^  Call: (262) [user] is_delimiter(' ')
   Call: (263) [system] char_type(' ', space)
   Exit: (263) [system] char_type(' ', space)
^  Exit: (262) [user] is_delimiter(' ')
   Call: (262) [system] _254748=[]
   Exit: (262) [system] []=[]
^  Exit: (261) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (261) [user] classify_and_convert_charseq('A', [], _234204)
^  Call: (263) [system] setup_call_cleanup('$notrace'(_264992, _264994), once(user:catch(read_from_chars(['A'], _234204), _264968, fail)), '$restore_trace'(_264992, _264994))
^  Call: (264) [system] sig_atomic(system:'$notrace'(_264992, _264994))
^  Exit: (263) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['A'], _234204), _264968, fail)), system:'$restore_trace'(3, -1))
   Call: (262) [system] atomic(_234204)
   Call: (262) [system] atom_chars(_234204, ['A'])
   Exit: (262) [system] atom_chars('A', ['A'])
^  Exit: (261) [user] classify_and_convert_charseq('A', [], 'A')
^  Exit: (260) [user] read_symbolic(')', (0x56051b6b4f40), 'A', 'A')
^  Exit: (259) [user] cont_sexpr(')', (0x56051b6b4f40), 'A')
^  Call: (259) [user] read_list(')', (0x56051b6b4f40), _273444)
^  Call: (260) [user] skip_spaces((0x56051b6b4f40))
   Call: (261) [system] peek_char((0x56051b6b4f40), _275302)
   Exit: (261) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (261) [system] ' '=(;)
^  Call: (261) [user] is_like_space(' ')
   Call: (262) [system] char_type(' ', 'white')
   Exit: (262) [system] char_type(' ', 'white')
^  Exit: (261) [user] is_like_space(' ')
   Call: (261) [system] get_char((0x56051b6b4f40), _282112)
   Exit: (261) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (261) [user] skip_spaces((0x56051b6b4f40))
   Call: (262) [system] peek_char((0x56051b6b4f40), _284816)
   Exit: (262) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (262) [system] 'B'=(;)
^  Call: (262) [user] is_like_space('B')
   Call: (263) [system] char_type('B', 'white')
   Call: (263) [system] char_type('B', end_of_line)
   Call: (263) [system] char_type('B', space)
   Call: (263) [system] char_type('B', cntrl)
^  Exit: (261) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (260) [user] skip_spaces((0x56051b6b4f40))
   Call: (260) [system] peek_char((0x56051b6b4f40), _294208)
   Exit: (260) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (260) [system] 'B'=')'
   Call: (260) [system] 'B'=end_of_file
^  Call: (260) [user] cont_sexpr(')', (0x56051b6b4f40), _297922)
^  Call: (261) [user] skip_spaces((0x56051b6b4f40))
   Call: (262) [system] peek_char((0x56051b6b4f40), _299780)
   Exit: (262) [system] peek_char((0x56051b6b4f40), 'B')
   Call: (262) [system] 'B'=(;)
^  Call: (262) [user] is_like_space('B')
   Call: (263) [system] char_type('B', 'white')
   Call: (263) [system] char_type('B', end_of_line)
   Call: (263) [system] char_type('B', space)
   Call: (263) [system] char_type('B', cntrl)
^  Exit: (261) [user] skip_spaces((0x56051b6b4f40))
   Call: (261) [system] get_char((0x56051b6b4f40), _308248)
   Exit: (261) [system] get_char((0x56051b6b4f40), 'B')
   Call: (261) [system] 'B'='('
   Call: (261) [system] 'B'='['
   Call: (261) [system] 'B'='{'
   Call: (261) [system] 'B'='"'
   Call: (261) [system] 'B'=!
   Call: (261) [system] 'B'='\''
   Call: (261) [system] 'B'='`'
   Call: (261) [system] 'B'=end_of_file
^  Call: (261) [user] read_symbolic(')', (0x56051b6b4f40), 'B', _297922)
^  Call: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), _318466)
   Call: (263) [system] peek_char((0x56051b6b4f40), _319400)
   Exit: (263) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (263) [user] is_delimiter(')')
   Call: (264) [system] char_type(')', space)
   Call: (264) [system] arg(_323192, v('(', ')', end_of_file), ')')
   Exit: (264) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (263) [user] is_delimiter(')')
   Call: (263) [system] _318466=[]
   Exit: (263) [system] []=[]
^  Exit: (262) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (262) [user] classify_and_convert_charseq('B', [], _297922)
^  Call: (264) [system] setup_call_cleanup('$notrace'(_329654, _329656), once(user:catch(read_from_chars(['B'], _297922), _329630, fail)), '$restore_trace'(_329654, _329656))
^  Call: (265) [system] sig_atomic(system:'$notrace'(_329654, _329656))
^  Exit: (264) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['B'], _297922), _329630, fail)), system:'$restore_trace'(3, -1))
   Call: (263) [system] atomic(_297922)
   Call: (263) [system] atom_chars(_297922, ['B'])
   Exit: (263) [system] atom_chars('B', ['B'])
^  Exit: (262) [user] classify_and_convert_charseq('B', [], 'B')
^  Exit: (261) [user] read_symbolic(')', (0x56051b6b4f40), 'B', 'B')
^  Exit: (260) [user] cont_sexpr(')', (0x56051b6b4f40), 'B')
^  Call: (260) [user] read_list(')', (0x56051b6b4f40), _338106)
^  Call: (261) [user] skip_spaces((0x56051b6b4f40))
   Call: (262) [system] peek_char((0x56051b6b4f40), _339964)
   Exit: (262) [system] peek_char((0x56051b6b4f40), ')')
   Call: (262) [system] ')'=(;)
^  Call: (262) [user] is_like_space(')')
   Call: (263) [system] char_type(')', 'white')
   Call: (263) [system] char_type(')', end_of_line)
   Call: (263) [system] char_type(')', space)
   Call: (263) [system] char_type(')', cntrl)
^  Exit: (261) [user] skip_spaces((0x56051b6b4f40))
   Call: (261) [system] peek_char((0x56051b6b4f40), _348432)
   Exit: (261) [system] peek_char((0x56051b6b4f40), ')')
   Call: (261) [system] ')'=')'
   Exit: (261) [system] ')'=')'
   Call: (261) [system] get_char((0x56051b6b4f40), _352222)
   Exit: (261) [system] get_char((0x56051b6b4f40), ')')
   Call: (261) [system] _338106=[]
   Exit: (261) [system] []=[]
^  Exit: (260) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (260) [system] _273444=['B']
   Exit: (260) [system] ['B']=['B']
^  Exit: (259) [user] read_list(')', (0x56051b6b4f40), ['B'])
   Call: (259) [system] _209726=['A', 'B']
   Exit: (259) [system] ['A', 'B']=['A', 'B']
^  Exit: (258) [user] read_list(')', (0x56051b6b4f40), ['A', 'B'])
   Call: (258) [system] _69868=['AndLink', 'A', 'B']
   Exit: (258) [system] ['AndLink', 'A', 'B']=['AndLink', 'A', 'B']
^  Exit: (257) [user] read_list(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Exit: (256) [user] cont_sexpr(')', (0x56051b6b4f40), ['AndLink', 'A', 'B'])
^  Call: (256) [user] read_list(')', (0x56051b6b4f40), _366104)
^  Call: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _367962)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ' ')
   Call: (258) [system] ' '=(;)
^  Call: (258) [user] is_like_space(' ')
   Call: (259) [system] char_type(' ', 'white')
   Exit: (259) [system] char_type(' ', 'white')
^  Exit: (258) [user] is_like_space(' ')
   Call: (258) [system] get_char((0x56051b6b4f40), _374772)
   Exit: (258) [system] get_char((0x56051b6b4f40), ' ')
^  Call: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _377476)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (259) [system] 'C'=(;)
^  Call: (259) [user] is_like_space('C')
   Call: (260) [system] char_type('C', 'white')
   Call: (260) [system] char_type('C', end_of_line)
   Call: (260) [system] char_type('C', space)
   Call: (260) [system] char_type('C', cntrl)
^  Exit: (258) [user] skip_spaces((0x56051b6b4f40))
^  Exit: (257) [user] skip_spaces((0x56051b6b4f40))
   Call: (257) [system] peek_char((0x56051b6b4f40), _386868)
   Exit: (257) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (257) [system] 'C'=')'
   Call: (257) [system] 'C'=end_of_file
^  Call: (257) [user] cont_sexpr(')', (0x56051b6b4f40), _390582)
^  Call: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _392440)
   Exit: (259) [system] peek_char((0x56051b6b4f40), 'C')
   Call: (259) [system] 'C'=(;)
^  Call: (259) [user] is_like_space('C')
   Call: (260) [system] char_type('C', 'white')
   Call: (260) [system] char_type('C', end_of_line)
   Call: (260) [system] char_type('C', space)
   Call: (260) [system] char_type('C', cntrl)
^  Exit: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] get_char((0x56051b6b4f40), _400908)
   Exit: (258) [system] get_char((0x56051b6b4f40), 'C')
   Call: (258) [system] 'C'='('
   Call: (258) [system] 'C'='['
   Call: (258) [system] 'C'='{'
   Call: (258) [system] 'C'='"'
   Call: (258) [system] 'C'=!
   Call: (258) [system] 'C'='\''
   Call: (258) [system] 'C'='`'
   Call: (258) [system] 'C'=end_of_file
^  Call: (258) [user] read_symbolic(')', (0x56051b6b4f40), 'C', _390582)
^  Call: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), _411126)
   Call: (260) [system] peek_char((0x56051b6b4f40), _412060)
   Exit: (260) [system] peek_char((0x56051b6b4f40), ')')
^  Call: (260) [user] is_delimiter(')')
   Call: (261) [system] char_type(')', space)
   Call: (261) [system] arg(_415852, v('(', ')', end_of_file), ')')
   Exit: (261) [system] arg(2, v('(', ')', end_of_file), ')')
^  Exit: (260) [user] is_delimiter(')')
   Call: (260) [system] _411126=[]
   Exit: (260) [system] []=[]
^  Exit: (259) [user] read_symbolic_cont(')', (0x56051b6b4f40), [])
^  Call: (259) [user] classify_and_convert_charseq('C', [], _390582)
^  Call: (261) [system] setup_call_cleanup('$notrace'(_422314, _422316), once(user:catch(read_from_chars(['C'], _390582), _422290, fail)), '$restore_trace'(_422314, _422316))
^  Call: (262) [system] sig_atomic(system:'$notrace'(_422314, _422316))
^  Exit: (261) [system] setup_call_cleanup(system:'$notrace'(3, -1), system:once(user:catch(read_from_chars(['C'], _390582), _422290, fail)), system:'$restore_trace'(3, -1))
   Call: (260) [system] atomic(_390582)
   Call: (260) [system] atom_chars(_390582, ['C'])
   Exit: (260) [system] atom_chars('C', ['C'])
^  Exit: (259) [user] classify_and_convert_charseq('C', [], 'C')
^  Exit: (258) [user] read_symbolic(')', (0x56051b6b4f40), 'C', 'C')
^  Exit: (257) [user] cont_sexpr(')', (0x56051b6b4f40), 'C')
^  Call: (257) [user] read_list(')', (0x56051b6b4f40), _430766)
^  Call: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (259) [system] peek_char((0x56051b6b4f40), _432624)
   Exit: (259) [system] peek_char((0x56051b6b4f40), ')')
   Call: (259) [system] ')'=(;)
^  Call: (259) [user] is_like_space(')')
   Call: (260) [system] char_type(')', 'white')
   Call: (260) [system] char_type(')', end_of_line)
   Call: (260) [system] char_type(')', space)
   Call: (260) [system] char_type(')', cntrl)
^  Exit: (258) [user] skip_spaces((0x56051b6b4f40))
   Call: (258) [system] peek_char((0x56051b6b4f40), _441092)
   Exit: (258) [system] peek_char((0x56051b6b4f40), ')')
   Call: (258) [system] ')'=')'
   Exit: (258) [system] ')'=')'
   Call: (258) [system] get_char((0x56051b6b4f40), _444882)
   Exit: (258) [system] get_char((0x56051b6b4f40), ')')
   Call: (258) [system] _430766=[]
   Exit: (258) [system] []=[]
^  Exit: (257) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (257) [system] _366104=['C']
   Exit: (257) [system] ['C']=['C']
^  Exit: (256) [user] read_list(')', (0x56051b6b4f40), ['C'])
   Call: (256) [system] _45390=[['AndLink', 'A', 'B'], 'C']
   Exit: (256) [system] [['AndLink', 'A', 'B'], 'C']=[['AndLink', 'A', 'B'], 'C']
^  Exit: (255) [user] read_list(')', (0x56051b6b4f40), [['AndLink', 'A', 'B'], 'C'])
   Call: (255) [system] _10958=['Implication', ['AndLink', 'A', 'B'], 'C']
   Exit: (255) [system] ['Implication', ['AndLink', 'A', 'B'], 'C']=['Implication', ['AndLink', 'A', 'B'], 'C']
^  Exit: (254) [user] read_list(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Exit: (253) [user] cont_sexpr(')', (0x56051b6b4f40), ['Implication', ['AndLink', 'A', 'B'], 'C'])
^  Call: (253) [user] read_list(')', (0x56051b6b4f40), _458764)
^  Call: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (255) [system] peek_char((0x56051b6b4f40), _460622)
   Exit: (255) [system] peek_char((0x56051b6b4f40), ')')
   Call: (255) [system] ')'=(;)
^  Call: (255) [user] is_like_space(')')
   Call: (256) [system] char_type(')', 'white')
   Call: (256) [system] char_type(')', end_of_line)
   Call: (256) [system] char_type(')', space)
   Call: (256) [system] char_type(')', cntrl)
^  Exit: (254) [user] skip_spaces((0x56051b6b4f40))
   Call: (254) [system] peek_char((0x56051b6b4f40), _469090)
   Exit: (254) [system] peek_char((0x56051b6b4f40), ')')
   Call: (254) [system] ')'=')'
   Exit: (254) [system] ')'=')'
   Call: (254) [system] get_char((0x56051b6b4f40), _472880)
   Exit: (254) [system] get_char((0x56051b6b4f40), ')')
   Call: (254) [system] _458764=[]
   Exit: (254) [system] []=[]
^  Exit: (253) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (253) [system] _10954=[['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (253) [system] [['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (252) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (252) [system] _10912=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (252) [system] [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=[['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (251) [user] read_list(')', (0x56051b6b4f40), [['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
   Call: (251) [system] _10904=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
   Exit: (251) [system] ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]=['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]
^  Exit: (250) [user] read_list(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Exit: (249) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']])
^  Call: (249) [user] read_list(')', (0x56051b6b4f40), _486762)
^  Call: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (251) [system] peek_char((0x56051b6b4f40), _488620)
   Exit: (251) [system] peek_char((0x56051b6b4f40), ')')
   Call: (251) [system] ')'=(;)
^  Call: (251) [user] is_like_space(')')
   Call: (252) [system] char_type(')', 'white')
   Call: (252) [system] char_type(')', end_of_line)
   Call: (252) [system] char_type(')', space)
   Call: (252) [system] char_type(')', cntrl)
^  Exit: (250) [user] skip_spaces((0x56051b6b4f40))
   Call: (250) [system] peek_char((0x56051b6b4f40), _497088)
   Exit: (250) [system] peek_char((0x56051b6b4f40), ')')
   Call: (250) [system] ')'=')'
   Exit: (250) [system] ')'=')'
   Call: (250) [system] get_char((0x56051b6b4f40), _500878)
   Exit: (250) [system] get_char((0x56051b6b4f40), ')')
   Call: (250) [system] _486762=[]
   Exit: (250) [system] []=[]
^  Exit: (249) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (249) [system] _10900=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (249) [system] [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=[['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (248) [user] read_list(')', (0x56051b6b4f40), [['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (248) [system] _10894=['B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (248) [system] ['B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (247) [user] read_list(')', (0x56051b6b4f40), ['B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
   Call: (247) [system] _10886=['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
   Exit: (247) [system] ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]=['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]
^  Exit: (246) [user] read_list(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Exit: (245) [user] cont_sexpr(')', (0x56051b6b4f40), ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]])
^  Call: (245) [user] read_list(')', (0x56051b6b4f40), _514760)
^  Call: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (247) [system] peek_char((0x56051b6b4f40), _516618)
   Exit: (247) [system] peek_char((0x56051b6b4f40), ')')
   Call: (247) [system] ')'=(;)
^  Call: (247) [user] is_like_space(')')
   Call: (248) [system] char_type(')', 'white')
   Call: (248) [system] char_type(')', end_of_line)
   Call: (248) [system] char_type(')', space)
   Call: (248) [system] char_type(')', cntrl)
^  Exit: (246) [user] skip_spaces((0x56051b6b4f40))
   Call: (246) [system] peek_char((0x56051b6b4f40), _525086)
   Exit: (246) [system] peek_char((0x56051b6b4f40), ')')
   Call: (246) [system] ')'=')'
   Exit: (246) [system] ')'=')'
   Call: (246) [system] get_char((0x56051b6b4f40), _528876)
   Exit: (246) [system] get_char((0x56051b6b4f40), ')')
   Call: (246) [system] _514760=[]
   Exit: (246) [system] []=[]
^  Exit: (245) [user] read_list(')', (0x56051b6b4f40), [])
   Call: (245) [system] _10882=[['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (245) [system] [['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (244) [user] read_list(')', (0x56051b6b4f40), [['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (244) [system] _10840=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (244) [system] [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (243) [user] read_list(')', (0x56051b6b4f40), [['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
   Call: (243) [system] _10832=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
   Exit: (243) [system] [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]=[:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]]
^  Exit: (242) [user] read_list(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Exit: (241) [user] cont_sexpr(')', (0x56051b6b4f40), [:, ['DisjunctionIntroduction', a, ['DisjunctionIntroduction', cde, abc]], ['OrLink', 'B', ['OrLink', ['Implication', ['OrLink', 'C', 'D'], 'E'], ['Implication', ['AndLink', 'A', 'B'], 'C']]]])
^  Call: (241) [user] read_list(')', (0x56051b6b4f40), _542758)
^  Call: (242) [user] skip_spaces((0x56051b6b4f40))
   Call: (243) [system] peek_char((0x56051b6b4f40), _544616)
   Exit: (243) [system] peek_char((0x56051b6b4f40), '\n')
   Call: (243) [system] '\n'=(;)
^  Call: (243) [user] is_like_space('\n')
   Call: (244) [system] char_type('\n', 'white')
   Call: (244) [system] char_type('\n', end_of_line)
   Exit: (244) [system] char_type('\n', end_of_line)
^  Exit: (243) [user] is_like_space('\n')
   Call: (243) [system] get_char((0x56051b6b4f40), _552232)
   Exit: 
Script done on 2024-09-20 00:37:42+00:00 [COMMAND_EXIT_CODE="143"]

\033[1;33mCompleted (EXITCODE=143) Under 40 seconds: ./mettalog '--output=./reports/tests_output/baseline-compat-2024-09-20T00:33:03/' --timeout=40 --html --repl=false --test "tests/baseline_compat/hyperon-mettalog_sanity/synth_buffer/time_synthesize_long.metta" --halt=true\033[0m